1 /*
2 * r8169.c: RealTek 8169/8168/8101 ethernet driver.
3 *
4 * Copyright (c) 2002 ShuChen <shuchen@realtek.com.tw>
5 * Copyright (c) 2003 - 2007 Francois Romieu <romieu@fr.zoreil.com>
6 * Copyright (c) a lot of people too. Please respect their work.
7 *
8 * See MAINTAINERS file for support contact information.
9 */
10
11 #include <linux/module.h>
12 #include <linux/moduleparam.h>
13 #include <linux/pci.h>
14 #include <linux/netdevice.h>
15 #include <linux/etherdevice.h>
16 #include <linux/delay.h>
17 #include <linux/ethtool.h>
18 #include <linux/mii.h>
19 #include <linux/if_vlan.h>
20 #include <linux/crc32.h>
21 #include <linux/in.h>
22 #include <linux/ip.h>
23 #include <linux/tcp.h>
24 #include <linux/interrupt.h>
25 #include <linux/dma-mapping.h>
26 #include <linux/pm_runtime.h>
27 #include <linux/firmware.h>
28 #include <linux/pci-aspm.h>
29 #include <linux/prefetch.h>
30 #include <linux/ipv6.h>
31 #include <net/ip6_checksum.h>
32
33 #include <asm/io.h>
34 #include <asm/irq.h>
35
36 #define RTL8169_VERSION "2.3LK-NAPI"
37 #define MODULENAME "r8169"
38 #define PFX MODULENAME ": "
39
40 #define FIRMWARE_8168D_1 "rtl_nic/rtl8168d-1.fw"
41 #define FIRMWARE_8168D_2 "rtl_nic/rtl8168d-2.fw"
42 #define FIRMWARE_8168E_1 "rtl_nic/rtl8168e-1.fw"
43 #define FIRMWARE_8168E_2 "rtl_nic/rtl8168e-2.fw"
44 #define FIRMWARE_8168E_3 "rtl_nic/rtl8168e-3.fw"
45 #define FIRMWARE_8168F_1 "rtl_nic/rtl8168f-1.fw"
46 #define FIRMWARE_8168F_2 "rtl_nic/rtl8168f-2.fw"
47 #define FIRMWARE_8105E_1 "rtl_nic/rtl8105e-1.fw"
48 #define FIRMWARE_8402_1 "rtl_nic/rtl8402-1.fw"
49 #define FIRMWARE_8411_1 "rtl_nic/rtl8411-1.fw"
50 #define FIRMWARE_8411_2 "rtl_nic/rtl8411-2.fw"
51 #define FIRMWARE_8106E_1 "rtl_nic/rtl8106e-1.fw"
52 #define FIRMWARE_8106E_2 "rtl_nic/rtl8106e-2.fw"
53 #define FIRMWARE_8168G_2 "rtl_nic/rtl8168g-2.fw"
54 #define FIRMWARE_8168G_3 "rtl_nic/rtl8168g-3.fw"
55 #define FIRMWARE_8168H_1 "rtl_nic/rtl8168h-1.fw"
56 #define FIRMWARE_8168H_2 "rtl_nic/rtl8168h-2.fw"
57 #define FIRMWARE_8107E_1 "rtl_nic/rtl8107e-1.fw"
58 #define FIRMWARE_8107E_2 "rtl_nic/rtl8107e-2.fw"
59
60 #ifdef RTL8169_DEBUG
61 #define assert(expr) \
62 if (!(expr)) { \
63 printk( "Assertion failed! %s,%s,%s,line=%d\n", \
64 #expr,__FILE__,__func__,__LINE__); \
65 }
66 #define dprintk(fmt, args...) \
67 do { printk(KERN_DEBUG PFX fmt, ## args); } while (0)
68 #else
69 #define assert(expr) do {} while (0)
70 #define dprintk(fmt, args...) do {} while (0)
71 #endif /* RTL8169_DEBUG */
72
73 #define R8169_MSG_DEFAULT \
74 (NETIF_MSG_DRV | NETIF_MSG_PROBE | NETIF_MSG_IFUP | NETIF_MSG_IFDOWN)
75
76 #define TX_SLOTS_AVAIL(tp) \
77 (tp->dirty_tx + NUM_TX_DESC - tp->cur_tx)
78
79 /* A skbuff with nr_frags needs nr_frags+1 entries in the tx queue */
80 #define TX_FRAGS_READY_FOR(tp,nr_frags) \
81 (TX_SLOTS_AVAIL(tp) >= (nr_frags + 1))
82
83 /* Maximum number of multicast addresses to filter (vs. Rx-all-multicast).
84 The RTL chips use a 64 element hash table based on the Ethernet CRC. */
85 static const int multicast_filter_limit = 32;
86
87 #define MAX_READ_REQUEST_SHIFT 12
88 #define TX_DMA_BURST 7 /* Maximum PCI burst, '7' is unlimited */
89 #define InterFrameGap 0x03 /* 3 means InterFrameGap = the shortest one */
90
91 #define R8169_REGS_SIZE 256
92 #define R8169_NAPI_WEIGHT 64
93 #define NUM_TX_DESC 64 /* Number of Tx descriptor registers */
94 #define NUM_RX_DESC 256U /* Number of Rx descriptor registers */
95 #define R8169_TX_RING_BYTES (NUM_TX_DESC * sizeof(struct TxDesc))
96 #define R8169_RX_RING_BYTES (NUM_RX_DESC * sizeof(struct RxDesc))
97
98 #define RTL8169_TX_TIMEOUT (6*HZ)
99 #define RTL8169_PHY_TIMEOUT (10*HZ)
100
101 /* write/read MMIO register */
102 #define RTL_W8(reg, val8) writeb ((val8), ioaddr + (reg))
103 #define RTL_W16(reg, val16) writew ((val16), ioaddr + (reg))
104 #define RTL_W32(reg, val32) writel ((val32), ioaddr + (reg))
105 #define RTL_R8(reg) readb (ioaddr + (reg))
106 #define RTL_R16(reg) readw (ioaddr + (reg))
107 #define RTL_R32(reg) readl (ioaddr + (reg))
108
109 enum mac_version {
110 RTL_GIGA_MAC_VER_01 = 0,
111 RTL_GIGA_MAC_VER_02,
112 RTL_GIGA_MAC_VER_03,
113 RTL_GIGA_MAC_VER_04,
114 RTL_GIGA_MAC_VER_05,
115 RTL_GIGA_MAC_VER_06,
116 RTL_GIGA_MAC_VER_07,
117 RTL_GIGA_MAC_VER_08,
118 RTL_GIGA_MAC_VER_09,
119 RTL_GIGA_MAC_VER_10,
120 RTL_GIGA_MAC_VER_11,
121 RTL_GIGA_MAC_VER_12,
122 RTL_GIGA_MAC_VER_13,
123 RTL_GIGA_MAC_VER_14,
124 RTL_GIGA_MAC_VER_15,
125 RTL_GIGA_MAC_VER_16,
126 RTL_GIGA_MAC_VER_17,
127 RTL_GIGA_MAC_VER_18,
128 RTL_GIGA_MAC_VER_19,
129 RTL_GIGA_MAC_VER_20,
130 RTL_GIGA_MAC_VER_21,
131 RTL_GIGA_MAC_VER_22,
132 RTL_GIGA_MAC_VER_23,
133 RTL_GIGA_MAC_VER_24,
134 RTL_GIGA_MAC_VER_25,
135 RTL_GIGA_MAC_VER_26,
136 RTL_GIGA_MAC_VER_27,
137 RTL_GIGA_MAC_VER_28,
138 RTL_GIGA_MAC_VER_29,
139 RTL_GIGA_MAC_VER_30,
140 RTL_GIGA_MAC_VER_31,
141 RTL_GIGA_MAC_VER_32,
142 RTL_GIGA_MAC_VER_33,
143 RTL_GIGA_MAC_VER_34,
144 RTL_GIGA_MAC_VER_35,
145 RTL_GIGA_MAC_VER_36,
146 RTL_GIGA_MAC_VER_37,
147 RTL_GIGA_MAC_VER_38,
148 RTL_GIGA_MAC_VER_39,
149 RTL_GIGA_MAC_VER_40,
150 RTL_GIGA_MAC_VER_41,
151 RTL_GIGA_MAC_VER_42,
152 RTL_GIGA_MAC_VER_43,
153 RTL_GIGA_MAC_VER_44,
154 RTL_GIGA_MAC_VER_45,
155 RTL_GIGA_MAC_VER_46,
156 RTL_GIGA_MAC_VER_47,
157 RTL_GIGA_MAC_VER_48,
158 RTL_GIGA_MAC_VER_49,
159 RTL_GIGA_MAC_VER_50,
160 RTL_GIGA_MAC_VER_51,
161 RTL_GIGA_MAC_NONE = 0xff,
162 };
163
164 enum rtl_tx_desc_version {
165 RTL_TD_0 = 0,
166 RTL_TD_1 = 1,
167 };
168
169 #define JUMBO_1K ETH_DATA_LEN
170 #define JUMBO_4K (4*1024 - ETH_HLEN - 2)
171 #define JUMBO_6K (6*1024 - ETH_HLEN - 2)
172 #define JUMBO_7K (7*1024 - ETH_HLEN - 2)
173 #define JUMBO_9K (9*1024 - ETH_HLEN - 2)
174
175 #define _R(NAME,TD,FW,SZ,B) { \
176 .name = NAME, \
177 .txd_version = TD, \
178 .fw_name = FW, \
179 .jumbo_max = SZ, \
180 .jumbo_tx_csum = B \
181 }
182
183 static const struct {
184 const char *name;
185 enum rtl_tx_desc_version txd_version;
186 const char *fw_name;
187 u16 jumbo_max;
188 bool jumbo_tx_csum;
189 } rtl_chip_infos[] = {
190 /* PCI devices. */
191 [RTL_GIGA_MAC_VER_01] =
192 _R("RTL8169", RTL_TD_0, NULL, JUMBO_7K, true),
193 [RTL_GIGA_MAC_VER_02] =
194 _R("RTL8169s", RTL_TD_0, NULL, JUMBO_7K, true),
195 [RTL_GIGA_MAC_VER_03] =
196 _R("RTL8110s", RTL_TD_0, NULL, JUMBO_7K, true),
197 [RTL_GIGA_MAC_VER_04] =
198 _R("RTL8169sb/8110sb", RTL_TD_0, NULL, JUMBO_7K, true),
199 [RTL_GIGA_MAC_VER_05] =
200 _R("RTL8169sc/8110sc", RTL_TD_0, NULL, JUMBO_7K, true),
201 [RTL_GIGA_MAC_VER_06] =
202 _R("RTL8169sc/8110sc", RTL_TD_0, NULL, JUMBO_7K, true),
203 /* PCI-E devices. */
204 [RTL_GIGA_MAC_VER_07] =
205 _R("RTL8102e", RTL_TD_1, NULL, JUMBO_1K, true),
206 [RTL_GIGA_MAC_VER_08] =
207 _R("RTL8102e", RTL_TD_1, NULL, JUMBO_1K, true),
208 [RTL_GIGA_MAC_VER_09] =
209 _R("RTL8102e", RTL_TD_1, NULL, JUMBO_1K, true),
210 [RTL_GIGA_MAC_VER_10] =
211 _R("RTL8101e", RTL_TD_0, NULL, JUMBO_1K, true),
212 [RTL_GIGA_MAC_VER_11] =
213 _R("RTL8168b/8111b", RTL_TD_0, NULL, JUMBO_4K, false),
214 [RTL_GIGA_MAC_VER_12] =
215 _R("RTL8168b/8111b", RTL_TD_0, NULL, JUMBO_4K, false),
216 [RTL_GIGA_MAC_VER_13] =
217 _R("RTL8101e", RTL_TD_0, NULL, JUMBO_1K, true),
218 [RTL_GIGA_MAC_VER_14] =
219 _R("RTL8100e", RTL_TD_0, NULL, JUMBO_1K, true),
220 [RTL_GIGA_MAC_VER_15] =
221 _R("RTL8100e", RTL_TD_0, NULL, JUMBO_1K, true),
222 [RTL_GIGA_MAC_VER_16] =
223 _R("RTL8101e", RTL_TD_0, NULL, JUMBO_1K, true),
224 [RTL_GIGA_MAC_VER_17] =
225 _R("RTL8168b/8111b", RTL_TD_0, NULL, JUMBO_4K, false),
226 [RTL_GIGA_MAC_VER_18] =
227 _R("RTL8168cp/8111cp", RTL_TD_1, NULL, JUMBO_6K, false),
228 [RTL_GIGA_MAC_VER_19] =
229 _R("RTL8168c/8111c", RTL_TD_1, NULL, JUMBO_6K, false),
230 [RTL_GIGA_MAC_VER_20] =
231 _R("RTL8168c/8111c", RTL_TD_1, NULL, JUMBO_6K, false),
232 [RTL_GIGA_MAC_VER_21] =
233 _R("RTL8168c/8111c", RTL_TD_1, NULL, JUMBO_6K, false),
234 [RTL_GIGA_MAC_VER_22] =
235 _R("RTL8168c/8111c", RTL_TD_1, NULL, JUMBO_6K, false),
236 [RTL_GIGA_MAC_VER_23] =
237 _R("RTL8168cp/8111cp", RTL_TD_1, NULL, JUMBO_6K, false),
238 [RTL_GIGA_MAC_VER_24] =
239 _R("RTL8168cp/8111cp", RTL_TD_1, NULL, JUMBO_6K, false),
240 [RTL_GIGA_MAC_VER_25] =
241 _R("RTL8168d/8111d", RTL_TD_1, FIRMWARE_8168D_1,
242 JUMBO_9K, false),
243 [RTL_GIGA_MAC_VER_26] =
244 _R("RTL8168d/8111d", RTL_TD_1, FIRMWARE_8168D_2,
245 JUMBO_9K, false),
246 [RTL_GIGA_MAC_VER_27] =
247 _R("RTL8168dp/8111dp", RTL_TD_1, NULL, JUMBO_9K, false),
248 [RTL_GIGA_MAC_VER_28] =
249 _R("RTL8168dp/8111dp", RTL_TD_1, NULL, JUMBO_9K, false),
250 [RTL_GIGA_MAC_VER_29] =
251 _R("RTL8105e", RTL_TD_1, FIRMWARE_8105E_1,
252 JUMBO_1K, true),
253 [RTL_GIGA_MAC_VER_30] =
254 _R("RTL8105e", RTL_TD_1, FIRMWARE_8105E_1,
255 JUMBO_1K, true),
256 [RTL_GIGA_MAC_VER_31] =
257 _R("RTL8168dp/8111dp", RTL_TD_1, NULL, JUMBO_9K, false),
258 [RTL_GIGA_MAC_VER_32] =
259 _R("RTL8168e/8111e", RTL_TD_1, FIRMWARE_8168E_1,
260 JUMBO_9K, false),
261 [RTL_GIGA_MAC_VER_33] =
262 _R("RTL8168e/8111e", RTL_TD_1, FIRMWARE_8168E_2,
263 JUMBO_9K, false),
264 [RTL_GIGA_MAC_VER_34] =
265 _R("RTL8168evl/8111evl",RTL_TD_1, FIRMWARE_8168E_3,
266 JUMBO_9K, false),
267 [RTL_GIGA_MAC_VER_35] =
268 _R("RTL8168f/8111f", RTL_TD_1, FIRMWARE_8168F_1,
269 JUMBO_9K, false),
270 [RTL_GIGA_MAC_VER_36] =
271 _R("RTL8168f/8111f", RTL_TD_1, FIRMWARE_8168F_2,
272 JUMBO_9K, false),
273 [RTL_GIGA_MAC_VER_37] =
274 _R("RTL8402", RTL_TD_1, FIRMWARE_8402_1,
275 JUMBO_1K, true),
276 [RTL_GIGA_MAC_VER_38] =
277 _R("RTL8411", RTL_TD_1, FIRMWARE_8411_1,
278 JUMBO_9K, false),
279 [RTL_GIGA_MAC_VER_39] =
280 _R("RTL8106e", RTL_TD_1, FIRMWARE_8106E_1,
281 JUMBO_1K, true),
282 [RTL_GIGA_MAC_VER_40] =
283 _R("RTL8168g/8111g", RTL_TD_1, FIRMWARE_8168G_2,
284 JUMBO_9K, false),
285 [RTL_GIGA_MAC_VER_41] =
286 _R("RTL8168g/8111g", RTL_TD_1, NULL, JUMBO_9K, false),
287 [RTL_GIGA_MAC_VER_42] =
288 _R("RTL8168g/8111g", RTL_TD_1, FIRMWARE_8168G_3,
289 JUMBO_9K, false),
290 [RTL_GIGA_MAC_VER_43] =
291 _R("RTL8106e", RTL_TD_1, FIRMWARE_8106E_2,
292 JUMBO_1K, true),
293 [RTL_GIGA_MAC_VER_44] =
294 _R("RTL8411", RTL_TD_1, FIRMWARE_8411_2,
295 JUMBO_9K, false),
296 [RTL_GIGA_MAC_VER_45] =
297 _R("RTL8168h/8111h", RTL_TD_1, FIRMWARE_8168H_1,
298 JUMBO_9K, false),
299 [RTL_GIGA_MAC_VER_46] =
300 _R("RTL8168h/8111h", RTL_TD_1, FIRMWARE_8168H_2,
301 JUMBO_9K, false),
302 [RTL_GIGA_MAC_VER_47] =
303 _R("RTL8107e", RTL_TD_1, FIRMWARE_8107E_1,
304 JUMBO_1K, false),
305 [RTL_GIGA_MAC_VER_48] =
306 _R("RTL8107e", RTL_TD_1, FIRMWARE_8107E_2,
307 JUMBO_1K, false),
308 [RTL_GIGA_MAC_VER_49] =
309 _R("RTL8168ep/8111ep", RTL_TD_1, NULL,
310 JUMBO_9K, false),
311 [RTL_GIGA_MAC_VER_50] =
312 _R("RTL8168ep/8111ep", RTL_TD_1, NULL,
313 JUMBO_9K, false),
314 [RTL_GIGA_MAC_VER_51] =
315 _R("RTL8168ep/8111ep", RTL_TD_1, NULL,
316 JUMBO_9K, false),
317 };
318 #undef _R
319
320 enum cfg_version {
321 RTL_CFG_0 = 0x00,
322 RTL_CFG_1,
323 RTL_CFG_2
324 };
325
326 static const struct pci_device_id rtl8169_pci_tbl[] = {
327 { PCI_DEVICE(PCI_VENDOR_ID_REALTEK, 0x8129), 0, 0, RTL_CFG_0 },
328 { PCI_DEVICE(PCI_VENDOR_ID_REALTEK, 0x8136), 0, 0, RTL_CFG_2 },
329 { PCI_DEVICE(PCI_VENDOR_ID_REALTEK, 0x8167), 0, 0, RTL_CFG_0 },
330 { PCI_DEVICE(PCI_VENDOR_ID_REALTEK, 0x8168), 0, 0, RTL_CFG_1 },
331 { PCI_DEVICE(PCI_VENDOR_ID_REALTEK, 0x8169), 0, 0, RTL_CFG_0 },
332 { PCI_VENDOR_ID_DLINK, 0x4300,
333 PCI_VENDOR_ID_DLINK, 0x4b10, 0, 0, RTL_CFG_1 },
334 { PCI_DEVICE(PCI_VENDOR_ID_DLINK, 0x4300), 0, 0, RTL_CFG_0 },
335 { PCI_DEVICE(PCI_VENDOR_ID_DLINK, 0x4302), 0, 0, RTL_CFG_0 },
336 { PCI_DEVICE(PCI_VENDOR_ID_AT, 0xc107), 0, 0, RTL_CFG_0 },
337 { PCI_DEVICE(0x16ec, 0x0116), 0, 0, RTL_CFG_0 },
338 { PCI_VENDOR_ID_LINKSYS, 0x1032,
339 PCI_ANY_ID, 0x0024, 0, 0, RTL_CFG_0 },
340 { 0x0001, 0x8168,
341 PCI_ANY_ID, 0x2410, 0, 0, RTL_CFG_2 },
342 {0,},
343 };
344
345 MODULE_DEVICE_TABLE(pci, rtl8169_pci_tbl);
346
347 static int rx_buf_sz = 16383;
348 static int use_dac;
349 static struct {
350 u32 msg_enable;
351 } debug = { -1 };
352
353 enum rtl_registers {
354 MAC0 = 0, /* Ethernet hardware address. */
355 MAC4 = 4,
356 MAR0 = 8, /* Multicast filter. */
357 CounterAddrLow = 0x10,
358 CounterAddrHigh = 0x14,
359 TxDescStartAddrLow = 0x20,
360 TxDescStartAddrHigh = 0x24,
361 TxHDescStartAddrLow = 0x28,
362 TxHDescStartAddrHigh = 0x2c,
363 FLASH = 0x30,
364 ERSR = 0x36,
365 ChipCmd = 0x37,
366 TxPoll = 0x38,
367 IntrMask = 0x3c,
368 IntrStatus = 0x3e,
369
370 TxConfig = 0x40,
371 #define TXCFG_AUTO_FIFO (1 << 7) /* 8111e-vl */
372 #define TXCFG_EMPTY (1 << 11) /* 8111e-vl */
373
374 RxConfig = 0x44,
375 #define RX128_INT_EN (1 << 15) /* 8111c and later */
376 #define RX_MULTI_EN (1 << 14) /* 8111c only */
377 #define RXCFG_FIFO_SHIFT 13
378 /* No threshold before first PCI xfer */
379 #define RX_FIFO_THRESH (7 << RXCFG_FIFO_SHIFT)
380 #define RX_EARLY_OFF (1 << 11)
381 #define RXCFG_DMA_SHIFT 8
382 /* Unlimited maximum PCI burst. */
383 #define RX_DMA_BURST (7 << RXCFG_DMA_SHIFT)
384
385 RxMissed = 0x4c,
386 Cfg9346 = 0x50,
387 Config0 = 0x51,
388 Config1 = 0x52,
389 Config2 = 0x53,
390 #define PME_SIGNAL (1 << 5) /* 8168c and later */
391
392 Config3 = 0x54,
393 Config4 = 0x55,
394 Config5 = 0x56,
395 MultiIntr = 0x5c,
396 PHYAR = 0x60,
397 PHYstatus = 0x6c,
398 RxMaxSize = 0xda,
399 CPlusCmd = 0xe0,
400 IntrMitigate = 0xe2,
401 RxDescAddrLow = 0xe4,
402 RxDescAddrHigh = 0xe8,
403 EarlyTxThres = 0xec, /* 8169. Unit of 32 bytes. */
404
405 #define NoEarlyTx 0x3f /* Max value : no early transmit. */
406
407 MaxTxPacketSize = 0xec, /* 8101/8168. Unit of 128 bytes. */
408
409 #define TxPacketMax (8064 >> 7)
410 #define EarlySize 0x27
411
412 FuncEvent = 0xf0,
413 FuncEventMask = 0xf4,
414 FuncPresetState = 0xf8,
415 IBCR0 = 0xf8,
416 IBCR2 = 0xf9,
417 IBIMR0 = 0xfa,
418 IBISR0 = 0xfb,
419 FuncForceEvent = 0xfc,
420 };
421
422 enum rtl8110_registers {
423 TBICSR = 0x64,
424 TBI_ANAR = 0x68,
425 TBI_LPAR = 0x6a,
426 };
427
428 enum rtl8168_8101_registers {
429 CSIDR = 0x64,
430 CSIAR = 0x68,
431 #define CSIAR_FLAG 0x80000000
432 #define CSIAR_WRITE_CMD 0x80000000
433 #define CSIAR_BYTE_ENABLE 0x0f
434 #define CSIAR_BYTE_ENABLE_SHIFT 12
435 #define CSIAR_ADDR_MASK 0x0fff
436 #define CSIAR_FUNC_CARD 0x00000000
437 #define CSIAR_FUNC_SDIO 0x00010000
438 #define CSIAR_FUNC_NIC 0x00020000
439 #define CSIAR_FUNC_NIC2 0x00010000
440 PMCH = 0x6f,
441 EPHYAR = 0x80,
442 #define EPHYAR_FLAG 0x80000000
443 #define EPHYAR_WRITE_CMD 0x80000000
444 #define EPHYAR_REG_MASK 0x1f
445 #define EPHYAR_REG_SHIFT 16
446 #define EPHYAR_DATA_MASK 0xffff
447 DLLPR = 0xd0,
448 #define PFM_EN (1 << 6)
449 #define TX_10M_PS_EN (1 << 7)
450 DBG_REG = 0xd1,
451 #define FIX_NAK_1 (1 << 4)
452 #define FIX_NAK_2 (1 << 3)
453 TWSI = 0xd2,
454 MCU = 0xd3,
455 #define NOW_IS_OOB (1 << 7)
456 #define TX_EMPTY (1 << 5)
457 #define RX_EMPTY (1 << 4)
458 #define RXTX_EMPTY (TX_EMPTY | RX_EMPTY)
459 #define EN_NDP (1 << 3)
460 #define EN_OOB_RESET (1 << 2)
461 #define LINK_LIST_RDY (1 << 1)
462 EFUSEAR = 0xdc,
463 #define EFUSEAR_FLAG 0x80000000
464 #define EFUSEAR_WRITE_CMD 0x80000000
465 #define EFUSEAR_READ_CMD 0x00000000
466 #define EFUSEAR_REG_MASK 0x03ff
467 #define EFUSEAR_REG_SHIFT 8
468 #define EFUSEAR_DATA_MASK 0xff
469 MISC_1 = 0xf2,
470 #define PFM_D3COLD_EN (1 << 6)
471 };
472
473 enum rtl8168_registers {
474 LED_FREQ = 0x1a,
475 EEE_LED = 0x1b,
476 ERIDR = 0x70,
477 ERIAR = 0x74,
478 #define ERIAR_FLAG 0x80000000
479 #define ERIAR_WRITE_CMD 0x80000000
480 #define ERIAR_READ_CMD 0x00000000
481 #define ERIAR_ADDR_BYTE_ALIGN 4
482 #define ERIAR_TYPE_SHIFT 16
483 #define ERIAR_EXGMAC (0x00 << ERIAR_TYPE_SHIFT)
484 #define ERIAR_MSIX (0x01 << ERIAR_TYPE_SHIFT)
485 #define ERIAR_ASF (0x02 << ERIAR_TYPE_SHIFT)
486 #define ERIAR_OOB (0x02 << ERIAR_TYPE_SHIFT)
487 #define ERIAR_MASK_SHIFT 12
488 #define ERIAR_MASK_0001 (0x1 << ERIAR_MASK_SHIFT)
489 #define ERIAR_MASK_0011 (0x3 << ERIAR_MASK_SHIFT)
490 #define ERIAR_MASK_0100 (0x4 << ERIAR_MASK_SHIFT)
491 #define ERIAR_MASK_0101 (0x5 << ERIAR_MASK_SHIFT)
492 #define ERIAR_MASK_1111 (0xf << ERIAR_MASK_SHIFT)
493 EPHY_RXER_NUM = 0x7c,
494 OCPDR = 0xb0, /* OCP GPHY access */
495 #define OCPDR_WRITE_CMD 0x80000000
496 #define OCPDR_READ_CMD 0x00000000
497 #define OCPDR_REG_MASK 0x7f
498 #define OCPDR_GPHY_REG_SHIFT 16
499 #define OCPDR_DATA_MASK 0xffff
500 OCPAR = 0xb4,
501 #define OCPAR_FLAG 0x80000000
502 #define OCPAR_GPHY_WRITE_CMD 0x8000f060
503 #define OCPAR_GPHY_READ_CMD 0x0000f060
504 GPHY_OCP = 0xb8,
505 RDSAR1 = 0xd0, /* 8168c only. Undocumented on 8168dp */
506 MISC = 0xf0, /* 8168e only. */
507 #define TXPLA_RST (1 << 29)
508 #define DISABLE_LAN_EN (1 << 23) /* Enable GPIO pin */
509 #define PWM_EN (1 << 22)
510 #define RXDV_GATED_EN (1 << 19)
511 #define EARLY_TALLY_EN (1 << 16)
512 };
513
514 enum rtl_register_content {
515 /* InterruptStatusBits */
516 SYSErr = 0x8000,
517 PCSTimeout = 0x4000,
518 SWInt = 0x0100,
519 TxDescUnavail = 0x0080,
520 RxFIFOOver = 0x0040,
521 LinkChg = 0x0020,
522 RxOverflow = 0x0010,
523 TxErr = 0x0008,
524 TxOK = 0x0004,
525 RxErr = 0x0002,
526 RxOK = 0x0001,
527
528 /* RxStatusDesc */
529 RxBOVF = (1 << 24),
530 RxFOVF = (1 << 23),
531 RxRWT = (1 << 22),
532 RxRES = (1 << 21),
533 RxRUNT = (1 << 20),
534 RxCRC = (1 << 19),
535
536 /* ChipCmdBits */
537 StopReq = 0x80,
538 CmdReset = 0x10,
539 CmdRxEnb = 0x08,
540 CmdTxEnb = 0x04,
541 RxBufEmpty = 0x01,
542
543 /* TXPoll register p.5 */
544 HPQ = 0x80, /* Poll cmd on the high prio queue */
545 NPQ = 0x40, /* Poll cmd on the low prio queue */
546 FSWInt = 0x01, /* Forced software interrupt */
547
548 /* Cfg9346Bits */
549 Cfg9346_Lock = 0x00,
550 Cfg9346_Unlock = 0xc0,
551
552 /* rx_mode_bits */
553 AcceptErr = 0x20,
554 AcceptRunt = 0x10,
555 AcceptBroadcast = 0x08,
556 AcceptMulticast = 0x04,
557 AcceptMyPhys = 0x02,
558 AcceptAllPhys = 0x01,
559 #define RX_CONFIG_ACCEPT_MASK 0x3f
560
561 /* TxConfigBits */
562 TxInterFrameGapShift = 24,
563 TxDMAShift = 8, /* DMA burst value (0-7) is shift this many bits */
564
565 /* Config1 register p.24 */
566 LEDS1 = (1 << 7),
567 LEDS0 = (1 << 6),
568 Speed_down = (1 << 4),
569 MEMMAP = (1 << 3),
570 IOMAP = (1 << 2),
571 VPD = (1 << 1),
572 PMEnable = (1 << 0), /* Power Management Enable */
573
574 /* Config2 register p. 25 */
575 ClkReqEn = (1 << 7), /* Clock Request Enable */
576 MSIEnable = (1 << 5), /* 8169 only. Reserved in the 8168. */
577 PCI_Clock_66MHz = 0x01,
578 PCI_Clock_33MHz = 0x00,
579
580 /* Config3 register p.25 */
581 MagicPacket = (1 << 5), /* Wake up when receives a Magic Packet */
582 LinkUp = (1 << 4), /* Wake up when the cable connection is re-established */
583 Jumbo_En0 = (1 << 2), /* 8168 only. Reserved in the 8168b */
584 Rdy_to_L23 = (1 << 1), /* L23 Enable */
585 Beacon_en = (1 << 0), /* 8168 only. Reserved in the 8168b */
586
587 /* Config4 register */
588 Jumbo_En1 = (1 << 1), /* 8168 only. Reserved in the 8168b */
589
590 /* Config5 register p.27 */
591 BWF = (1 << 6), /* Accept Broadcast wakeup frame */
592 MWF = (1 << 5), /* Accept Multicast wakeup frame */
593 UWF = (1 << 4), /* Accept Unicast wakeup frame */
594 Spi_en = (1 << 3),
595 LanWake = (1 << 1), /* LanWake enable/disable */
596 PMEStatus = (1 << 0), /* PME status can be reset by PCI RST# */
597 ASPM_en = (1 << 0), /* ASPM enable */
598
599 /* TBICSR p.28 */
600 TBIReset = 0x80000000,
601 TBILoopback = 0x40000000,
602 TBINwEnable = 0x20000000,
603 TBINwRestart = 0x10000000,
604 TBILinkOk = 0x02000000,
605 TBINwComplete = 0x01000000,
606
607 /* CPlusCmd p.31 */
608 EnableBist = (1 << 15), // 8168 8101
609 Mac_dbgo_oe = (1 << 14), // 8168 8101
610 Normal_mode = (1 << 13), // unused
611 Force_half_dup = (1 << 12), // 8168 8101
612 Force_rxflow_en = (1 << 11), // 8168 8101
613 Force_txflow_en = (1 << 10), // 8168 8101
614 Cxpl_dbg_sel = (1 << 9), // 8168 8101
615 ASF = (1 << 8), // 8168 8101
616 PktCntrDisable = (1 << 7), // 8168 8101
617 Mac_dbgo_sel = 0x001c, // 8168
618 RxVlan = (1 << 6),
619 RxChkSum = (1 << 5),
620 PCIDAC = (1 << 4),
621 PCIMulRW = (1 << 3),
622 INTT_0 = 0x0000, // 8168
623 INTT_1 = 0x0001, // 8168
624 INTT_2 = 0x0002, // 8168
625 INTT_3 = 0x0003, // 8168
626
627 /* rtl8169_PHYstatus */
628 TBI_Enable = 0x80,
629 TxFlowCtrl = 0x40,
630 RxFlowCtrl = 0x20,
631 _1000bpsF = 0x10,
632 _100bps = 0x08,
633 _10bps = 0x04,
634 LinkStatus = 0x02,
635 FullDup = 0x01,
636
637 /* _TBICSRBit */
638 TBILinkOK = 0x02000000,
639
640 /* DumpCounterCommand */
641 CounterDump = 0x8,
642
643 /* magic enable v2 */
644 MagicPacket_v2 = (1 << 16), /* Wake up when receives a Magic Packet */
645 };
646
647 enum rtl_desc_bit {
648 /* First doubleword. */
649 DescOwn = (1 << 31), /* Descriptor is owned by NIC */
650 RingEnd = (1 << 30), /* End of descriptor ring */
651 FirstFrag = (1 << 29), /* First segment of a packet */
652 LastFrag = (1 << 28), /* Final segment of a packet */
653 };
654
655 /* Generic case. */
656 enum rtl_tx_desc_bit {
657 /* First doubleword. */
658 TD_LSO = (1 << 27), /* Large Send Offload */
659 #define TD_MSS_MAX 0x07ffu /* MSS value */
660
661 /* Second doubleword. */
662 TxVlanTag = (1 << 17), /* Add VLAN tag */
663 };
664
665 /* 8169, 8168b and 810x except 8102e. */
666 enum rtl_tx_desc_bit_0 {
667 /* First doubleword. */
668 #define TD0_MSS_SHIFT 16 /* MSS position (11 bits) */
669 TD0_TCP_CS = (1 << 16), /* Calculate TCP/IP checksum */
670 TD0_UDP_CS = (1 << 17), /* Calculate UDP/IP checksum */
671 TD0_IP_CS = (1 << 18), /* Calculate IP checksum */
672 };
673
674 /* 8102e, 8168c and beyond. */
675 enum rtl_tx_desc_bit_1 {
676 /* First doubleword. */
677 TD1_GTSENV4 = (1 << 26), /* Giant Send for IPv4 */
678 TD1_GTSENV6 = (1 << 25), /* Giant Send for IPv6 */
679 #define GTTCPHO_SHIFT 18
680 #define GTTCPHO_MAX 0x7fU
681
682 /* Second doubleword. */
683 #define TCPHO_SHIFT 18
684 #define TCPHO_MAX 0x3ffU
685 #define TD1_MSS_SHIFT 18 /* MSS position (11 bits) */
686 TD1_IPv6_CS = (1 << 28), /* Calculate IPv6 checksum */
687 TD1_IPv4_CS = (1 << 29), /* Calculate IPv4 checksum */
688 TD1_TCP_CS = (1 << 30), /* Calculate TCP/IP checksum */
689 TD1_UDP_CS = (1 << 31), /* Calculate UDP/IP checksum */
690 };
691
692 enum rtl_rx_desc_bit {
693 /* Rx private */
694 PID1 = (1 << 18), /* Protocol ID bit 1/2 */
695 PID0 = (1 << 17), /* Protocol ID bit 2/2 */
696
697 #define RxProtoUDP (PID1)
698 #define RxProtoTCP (PID0)
699 #define RxProtoIP (PID1 | PID0)
700 #define RxProtoMask RxProtoIP
701
702 IPFail = (1 << 16), /* IP checksum failed */
703 UDPFail = (1 << 15), /* UDP/IP checksum failed */
704 TCPFail = (1 << 14), /* TCP/IP checksum failed */
705 RxVlanTag = (1 << 16), /* VLAN tag available */
706 };
707
708 #define RsvdMask 0x3fffc000
709
710 struct TxDesc {
711 __le32 opts1;
712 __le32 opts2;
713 __le64 addr;
714 };
715
716 struct RxDesc {
717 __le32 opts1;
718 __le32 opts2;
719 __le64 addr;
720 };
721
722 struct ring_info {
723 struct sk_buff *skb;
724 u32 len;
725 u8 __pad[sizeof(void *) - sizeof(u32)];
726 };
727
728 enum features {
729 RTL_FEATURE_WOL = (1 << 0),
730 RTL_FEATURE_MSI = (1 << 1),
731 RTL_FEATURE_GMII = (1 << 2),
732 };
733
734 struct rtl8169_counters {
735 __le64 tx_packets;
736 __le64 rx_packets;
737 __le64 tx_errors;
738 __le32 rx_errors;
739 __le16 rx_missed;
740 __le16 align_errors;
741 __le32 tx_one_collision;
742 __le32 tx_multi_collision;
743 __le64 rx_unicast;
744 __le64 rx_broadcast;
745 __le32 rx_multicast;
746 __le16 tx_aborted;
747 __le16 tx_underun;
748 };
749
750 enum rtl_flag {
751 RTL_FLAG_TASK_ENABLED,
752 RTL_FLAG_TASK_SLOW_PENDING,
753 RTL_FLAG_TASK_RESET_PENDING,
754 RTL_FLAG_TASK_PHY_PENDING,
755 RTL_FLAG_MAX
756 };
757
758 struct rtl8169_stats {
759 u64 packets;
760 u64 bytes;
761 struct u64_stats_sync syncp;
762 };
763
764 struct rtl8169_private {
765 void __iomem *mmio_addr; /* memory map physical address */
766 struct pci_dev *pci_dev;
767 struct net_device *dev;
768 struct napi_struct napi;
769 u32 msg_enable;
770 u16 txd_version;
771 u16 mac_version;
772 u32 cur_rx; /* Index into the Rx descriptor buffer of next Rx pkt. */
773 u32 cur_tx; /* Index into the Tx descriptor buffer of next Rx pkt. */
774 u32 dirty_tx;
775 struct rtl8169_stats rx_stats;
776 struct rtl8169_stats tx_stats;
777 struct TxDesc *TxDescArray; /* 256-aligned Tx descriptor ring */
778 struct RxDesc *RxDescArray; /* 256-aligned Rx descriptor ring */
779 dma_addr_t TxPhyAddr;
780 dma_addr_t RxPhyAddr;
781 void *Rx_databuff[NUM_RX_DESC]; /* Rx data buffers */
782 struct ring_info tx_skb[NUM_TX_DESC]; /* Tx data buffers */
783 struct timer_list timer;
784 u16 cp_cmd;
785
786 u16 event_slow;
787
788 struct mdio_ops {
789 void (*write)(struct rtl8169_private *, int, int);
790 int (*read)(struct rtl8169_private *, int);
791 } mdio_ops;
792
793 struct pll_power_ops {
794 void (*down)(struct rtl8169_private *);
795 void (*up)(struct rtl8169_private *);
796 } pll_power_ops;
797
798 struct jumbo_ops {
799 void (*enable)(struct rtl8169_private *);
800 void (*disable)(struct rtl8169_private *);
801 } jumbo_ops;
802
803 struct csi_ops {
804 void (*write)(struct rtl8169_private *, int, int);
805 u32 (*read)(struct rtl8169_private *, int);
806 } csi_ops;
807
808 int (*set_speed)(struct net_device *, u8 aneg, u16 sp, u8 dpx, u32 adv);
809 int (*get_settings)(struct net_device *, struct ethtool_cmd *);
810 void (*phy_reset_enable)(struct rtl8169_private *tp);
811 void (*hw_start)(struct net_device *);
812 unsigned int (*phy_reset_pending)(struct rtl8169_private *tp);
813 unsigned int (*link_ok)(void __iomem *);
814 int (*do_ioctl)(struct rtl8169_private *tp, struct mii_ioctl_data *data, int cmd);
815 bool (*tso_csum)(struct rtl8169_private *, struct sk_buff *, u32 *);
816
817 struct {
818 DECLARE_BITMAP(flags, RTL_FLAG_MAX);
819 struct mutex mutex;
820 struct work_struct work;
821 } wk;
822
823 unsigned features;
824
825 struct mii_if_info mii;
826 struct rtl8169_counters counters;
827 u32 saved_wolopts;
828 u32 opts1_mask;
829
830 struct rtl_fw {
831 const struct firmware *fw;
832
833 #define RTL_VER_SIZE 32
834
835 char version[RTL_VER_SIZE];
836
837 struct rtl_fw_phy_action {
838 __le32 *code;
839 size_t size;
840 } phy_action;
841 } *rtl_fw;
842 #define RTL_FIRMWARE_UNKNOWN ERR_PTR(-EAGAIN)
843
844 u32 ocp_base;
845 };
846
847 MODULE_AUTHOR("Realtek and the Linux r8169 crew <netdev@vger.kernel.org>");
848 MODULE_DESCRIPTION("RealTek RTL-8169 Gigabit Ethernet driver");
849 module_param(use_dac, int, 0);
850 MODULE_PARM_DESC(use_dac, "Enable PCI DAC. Unsafe on 32 bit PCI slot.");
851 module_param_named(debug, debug.msg_enable, int, 0);
852 MODULE_PARM_DESC(debug, "Debug verbosity level (0=none, ..., 16=all)");
853 MODULE_LICENSE("GPL");
854 MODULE_VERSION(RTL8169_VERSION);
855 MODULE_FIRMWARE(FIRMWARE_8168D_1);
856 MODULE_FIRMWARE(FIRMWARE_8168D_2);
857 MODULE_FIRMWARE(FIRMWARE_8168E_1);
858 MODULE_FIRMWARE(FIRMWARE_8168E_2);
859 MODULE_FIRMWARE(FIRMWARE_8168E_3);
860 MODULE_FIRMWARE(FIRMWARE_8105E_1);
861 MODULE_FIRMWARE(FIRMWARE_8168F_1);
862 MODULE_FIRMWARE(FIRMWARE_8168F_2);
863 MODULE_FIRMWARE(FIRMWARE_8402_1);
864 MODULE_FIRMWARE(FIRMWARE_8411_1);
865 MODULE_FIRMWARE(FIRMWARE_8411_2);
866 MODULE_FIRMWARE(FIRMWARE_8106E_1);
867 MODULE_FIRMWARE(FIRMWARE_8106E_2);
868 MODULE_FIRMWARE(FIRMWARE_8168G_2);
869 MODULE_FIRMWARE(FIRMWARE_8168G_3);
870 MODULE_FIRMWARE(FIRMWARE_8168H_1);
871 MODULE_FIRMWARE(FIRMWARE_8168H_2);
872 MODULE_FIRMWARE(FIRMWARE_8107E_1);
873 MODULE_FIRMWARE(FIRMWARE_8107E_2);
874
rtl_lock_work(struct rtl8169_private * tp)875 static void rtl_lock_work(struct rtl8169_private *tp)
876 {
877 mutex_lock(&tp->wk.mutex);
878 }
879
rtl_unlock_work(struct rtl8169_private * tp)880 static void rtl_unlock_work(struct rtl8169_private *tp)
881 {
882 mutex_unlock(&tp->wk.mutex);
883 }
884
rtl_tx_performance_tweak(struct pci_dev * pdev,u16 force)885 static void rtl_tx_performance_tweak(struct pci_dev *pdev, u16 force)
886 {
887 pcie_capability_clear_and_set_word(pdev, PCI_EXP_DEVCTL,
888 PCI_EXP_DEVCTL_READRQ, force);
889 }
890
891 struct rtl_cond {
892 bool (*check)(struct rtl8169_private *);
893 const char *msg;
894 };
895
rtl_udelay(unsigned int d)896 static void rtl_udelay(unsigned int d)
897 {
898 udelay(d);
899 }
900
rtl_loop_wait(struct rtl8169_private * tp,const struct rtl_cond * c,void (* delay)(unsigned int),unsigned int d,int n,bool high)901 static bool rtl_loop_wait(struct rtl8169_private *tp, const struct rtl_cond *c,
902 void (*delay)(unsigned int), unsigned int d, int n,
903 bool high)
904 {
905 int i;
906
907 for (i = 0; i < n; i++) {
908 delay(d);
909 if (c->check(tp) == high)
910 return true;
911 }
912 netif_err(tp, drv, tp->dev, "%s == %d (loop: %d, delay: %d).\n",
913 c->msg, !high, n, d);
914 return false;
915 }
916
rtl_udelay_loop_wait_high(struct rtl8169_private * tp,const struct rtl_cond * c,unsigned int d,int n)917 static bool rtl_udelay_loop_wait_high(struct rtl8169_private *tp,
918 const struct rtl_cond *c,
919 unsigned int d, int n)
920 {
921 return rtl_loop_wait(tp, c, rtl_udelay, d, n, true);
922 }
923
rtl_udelay_loop_wait_low(struct rtl8169_private * tp,const struct rtl_cond * c,unsigned int d,int n)924 static bool rtl_udelay_loop_wait_low(struct rtl8169_private *tp,
925 const struct rtl_cond *c,
926 unsigned int d, int n)
927 {
928 return rtl_loop_wait(tp, c, rtl_udelay, d, n, false);
929 }
930
rtl_msleep_loop_wait_high(struct rtl8169_private * tp,const struct rtl_cond * c,unsigned int d,int n)931 static bool rtl_msleep_loop_wait_high(struct rtl8169_private *tp,
932 const struct rtl_cond *c,
933 unsigned int d, int n)
934 {
935 return rtl_loop_wait(tp, c, msleep, d, n, true);
936 }
937
rtl_msleep_loop_wait_low(struct rtl8169_private * tp,const struct rtl_cond * c,unsigned int d,int n)938 static bool rtl_msleep_loop_wait_low(struct rtl8169_private *tp,
939 const struct rtl_cond *c,
940 unsigned int d, int n)
941 {
942 return rtl_loop_wait(tp, c, msleep, d, n, false);
943 }
944
945 #define DECLARE_RTL_COND(name) \
946 static bool name ## _check(struct rtl8169_private *); \
947 \
948 static const struct rtl_cond name = { \
949 .check = name ## _check, \
950 .msg = #name \
951 }; \
952 \
953 static bool name ## _check(struct rtl8169_private *tp)
954
rtl_ocp_reg_failure(struct rtl8169_private * tp,u32 reg)955 static bool rtl_ocp_reg_failure(struct rtl8169_private *tp, u32 reg)
956 {
957 if (reg & 0xffff0001) {
958 netif_err(tp, drv, tp->dev, "Invalid ocp reg %x!\n", reg);
959 return true;
960 }
961 return false;
962 }
963
DECLARE_RTL_COND(rtl_ocp_gphy_cond)964 DECLARE_RTL_COND(rtl_ocp_gphy_cond)
965 {
966 void __iomem *ioaddr = tp->mmio_addr;
967
968 return RTL_R32(GPHY_OCP) & OCPAR_FLAG;
969 }
970
r8168_phy_ocp_write(struct rtl8169_private * tp,u32 reg,u32 data)971 static void r8168_phy_ocp_write(struct rtl8169_private *tp, u32 reg, u32 data)
972 {
973 void __iomem *ioaddr = tp->mmio_addr;
974
975 if (rtl_ocp_reg_failure(tp, reg))
976 return;
977
978 RTL_W32(GPHY_OCP, OCPAR_FLAG | (reg << 15) | data);
979
980 rtl_udelay_loop_wait_low(tp, &rtl_ocp_gphy_cond, 25, 10);
981 }
982
r8168_phy_ocp_read(struct rtl8169_private * tp,u32 reg)983 static u16 r8168_phy_ocp_read(struct rtl8169_private *tp, u32 reg)
984 {
985 void __iomem *ioaddr = tp->mmio_addr;
986
987 if (rtl_ocp_reg_failure(tp, reg))
988 return 0;
989
990 RTL_W32(GPHY_OCP, reg << 15);
991
992 return rtl_udelay_loop_wait_high(tp, &rtl_ocp_gphy_cond, 25, 10) ?
993 (RTL_R32(GPHY_OCP) & 0xffff) : ~0;
994 }
995
r8168_mac_ocp_write(struct rtl8169_private * tp,u32 reg,u32 data)996 static void r8168_mac_ocp_write(struct rtl8169_private *tp, u32 reg, u32 data)
997 {
998 void __iomem *ioaddr = tp->mmio_addr;
999
1000 if (rtl_ocp_reg_failure(tp, reg))
1001 return;
1002
1003 RTL_W32(OCPDR, OCPAR_FLAG | (reg << 15) | data);
1004 }
1005
r8168_mac_ocp_read(struct rtl8169_private * tp,u32 reg)1006 static u16 r8168_mac_ocp_read(struct rtl8169_private *tp, u32 reg)
1007 {
1008 void __iomem *ioaddr = tp->mmio_addr;
1009
1010 if (rtl_ocp_reg_failure(tp, reg))
1011 return 0;
1012
1013 RTL_W32(OCPDR, reg << 15);
1014
1015 return RTL_R32(OCPDR);
1016 }
1017
1018 #define OCP_STD_PHY_BASE 0xa400
1019
r8168g_mdio_write(struct rtl8169_private * tp,int reg,int value)1020 static void r8168g_mdio_write(struct rtl8169_private *tp, int reg, int value)
1021 {
1022 if (reg == 0x1f) {
1023 tp->ocp_base = value ? value << 4 : OCP_STD_PHY_BASE;
1024 return;
1025 }
1026
1027 if (tp->ocp_base != OCP_STD_PHY_BASE)
1028 reg -= 0x10;
1029
1030 r8168_phy_ocp_write(tp, tp->ocp_base + reg * 2, value);
1031 }
1032
r8168g_mdio_read(struct rtl8169_private * tp,int reg)1033 static int r8168g_mdio_read(struct rtl8169_private *tp, int reg)
1034 {
1035 if (tp->ocp_base != OCP_STD_PHY_BASE)
1036 reg -= 0x10;
1037
1038 return r8168_phy_ocp_read(tp, tp->ocp_base + reg * 2);
1039 }
1040
mac_mcu_write(struct rtl8169_private * tp,int reg,int value)1041 static void mac_mcu_write(struct rtl8169_private *tp, int reg, int value)
1042 {
1043 if (reg == 0x1f) {
1044 tp->ocp_base = value << 4;
1045 return;
1046 }
1047
1048 r8168_mac_ocp_write(tp, tp->ocp_base + reg, value);
1049 }
1050
mac_mcu_read(struct rtl8169_private * tp,int reg)1051 static int mac_mcu_read(struct rtl8169_private *tp, int reg)
1052 {
1053 return r8168_mac_ocp_read(tp, tp->ocp_base + reg);
1054 }
1055
DECLARE_RTL_COND(rtl_phyar_cond)1056 DECLARE_RTL_COND(rtl_phyar_cond)
1057 {
1058 void __iomem *ioaddr = tp->mmio_addr;
1059
1060 return RTL_R32(PHYAR) & 0x80000000;
1061 }
1062
r8169_mdio_write(struct rtl8169_private * tp,int reg,int value)1063 static void r8169_mdio_write(struct rtl8169_private *tp, int reg, int value)
1064 {
1065 void __iomem *ioaddr = tp->mmio_addr;
1066
1067 RTL_W32(PHYAR, 0x80000000 | (reg & 0x1f) << 16 | (value & 0xffff));
1068
1069 rtl_udelay_loop_wait_low(tp, &rtl_phyar_cond, 25, 20);
1070 /*
1071 * According to hardware specs a 20us delay is required after write
1072 * complete indication, but before sending next command.
1073 */
1074 udelay(20);
1075 }
1076
r8169_mdio_read(struct rtl8169_private * tp,int reg)1077 static int r8169_mdio_read(struct rtl8169_private *tp, int reg)
1078 {
1079 void __iomem *ioaddr = tp->mmio_addr;
1080 int value;
1081
1082 RTL_W32(PHYAR, 0x0 | (reg & 0x1f) << 16);
1083
1084 value = rtl_udelay_loop_wait_high(tp, &rtl_phyar_cond, 25, 20) ?
1085 RTL_R32(PHYAR) & 0xffff : ~0;
1086
1087 /*
1088 * According to hardware specs a 20us delay is required after read
1089 * complete indication, but before sending next command.
1090 */
1091 udelay(20);
1092
1093 return value;
1094 }
1095
DECLARE_RTL_COND(rtl_ocpar_cond)1096 DECLARE_RTL_COND(rtl_ocpar_cond)
1097 {
1098 void __iomem *ioaddr = tp->mmio_addr;
1099
1100 return RTL_R32(OCPAR) & OCPAR_FLAG;
1101 }
1102
r8168dp_1_mdio_access(struct rtl8169_private * tp,int reg,u32 data)1103 static void r8168dp_1_mdio_access(struct rtl8169_private *tp, int reg, u32 data)
1104 {
1105 void __iomem *ioaddr = tp->mmio_addr;
1106
1107 RTL_W32(OCPDR, data | ((reg & OCPDR_REG_MASK) << OCPDR_GPHY_REG_SHIFT));
1108 RTL_W32(OCPAR, OCPAR_GPHY_WRITE_CMD);
1109 RTL_W32(EPHY_RXER_NUM, 0);
1110
1111 rtl_udelay_loop_wait_low(tp, &rtl_ocpar_cond, 1000, 100);
1112 }
1113
r8168dp_1_mdio_write(struct rtl8169_private * tp,int reg,int value)1114 static void r8168dp_1_mdio_write(struct rtl8169_private *tp, int reg, int value)
1115 {
1116 r8168dp_1_mdio_access(tp, reg,
1117 OCPDR_WRITE_CMD | (value & OCPDR_DATA_MASK));
1118 }
1119
r8168dp_1_mdio_read(struct rtl8169_private * tp,int reg)1120 static int r8168dp_1_mdio_read(struct rtl8169_private *tp, int reg)
1121 {
1122 void __iomem *ioaddr = tp->mmio_addr;
1123
1124 r8168dp_1_mdio_access(tp, reg, OCPDR_READ_CMD);
1125
1126 mdelay(1);
1127 RTL_W32(OCPAR, OCPAR_GPHY_READ_CMD);
1128 RTL_W32(EPHY_RXER_NUM, 0);
1129
1130 return rtl_udelay_loop_wait_high(tp, &rtl_ocpar_cond, 1000, 100) ?
1131 RTL_R32(OCPDR) & OCPDR_DATA_MASK : ~0;
1132 }
1133
1134 #define R8168DP_1_MDIO_ACCESS_BIT 0x00020000
1135
r8168dp_2_mdio_start(void __iomem * ioaddr)1136 static void r8168dp_2_mdio_start(void __iomem *ioaddr)
1137 {
1138 RTL_W32(0xd0, RTL_R32(0xd0) & ~R8168DP_1_MDIO_ACCESS_BIT);
1139 }
1140
r8168dp_2_mdio_stop(void __iomem * ioaddr)1141 static void r8168dp_2_mdio_stop(void __iomem *ioaddr)
1142 {
1143 RTL_W32(0xd0, RTL_R32(0xd0) | R8168DP_1_MDIO_ACCESS_BIT);
1144 }
1145
r8168dp_2_mdio_write(struct rtl8169_private * tp,int reg,int value)1146 static void r8168dp_2_mdio_write(struct rtl8169_private *tp, int reg, int value)
1147 {
1148 void __iomem *ioaddr = tp->mmio_addr;
1149
1150 r8168dp_2_mdio_start(ioaddr);
1151
1152 r8169_mdio_write(tp, reg, value);
1153
1154 r8168dp_2_mdio_stop(ioaddr);
1155 }
1156
r8168dp_2_mdio_read(struct rtl8169_private * tp,int reg)1157 static int r8168dp_2_mdio_read(struct rtl8169_private *tp, int reg)
1158 {
1159 void __iomem *ioaddr = tp->mmio_addr;
1160 int value;
1161
1162 r8168dp_2_mdio_start(ioaddr);
1163
1164 value = r8169_mdio_read(tp, reg);
1165
1166 r8168dp_2_mdio_stop(ioaddr);
1167
1168 return value;
1169 }
1170
rtl_writephy(struct rtl8169_private * tp,int location,u32 val)1171 static void rtl_writephy(struct rtl8169_private *tp, int location, u32 val)
1172 {
1173 tp->mdio_ops.write(tp, location, val);
1174 }
1175
rtl_readphy(struct rtl8169_private * tp,int location)1176 static int rtl_readphy(struct rtl8169_private *tp, int location)
1177 {
1178 return tp->mdio_ops.read(tp, location);
1179 }
1180
rtl_patchphy(struct rtl8169_private * tp,int reg_addr,int value)1181 static void rtl_patchphy(struct rtl8169_private *tp, int reg_addr, int value)
1182 {
1183 rtl_writephy(tp, reg_addr, rtl_readphy(tp, reg_addr) | value);
1184 }
1185
rtl_w0w1_phy(struct rtl8169_private * tp,int reg_addr,int p,int m)1186 static void rtl_w0w1_phy(struct rtl8169_private *tp, int reg_addr, int p, int m)
1187 {
1188 int val;
1189
1190 val = rtl_readphy(tp, reg_addr);
1191 rtl_writephy(tp, reg_addr, (val & ~m) | p);
1192 }
1193
rtl_mdio_write(struct net_device * dev,int phy_id,int location,int val)1194 static void rtl_mdio_write(struct net_device *dev, int phy_id, int location,
1195 int val)
1196 {
1197 struct rtl8169_private *tp = netdev_priv(dev);
1198
1199 rtl_writephy(tp, location, val);
1200 }
1201
rtl_mdio_read(struct net_device * dev,int phy_id,int location)1202 static int rtl_mdio_read(struct net_device *dev, int phy_id, int location)
1203 {
1204 struct rtl8169_private *tp = netdev_priv(dev);
1205
1206 return rtl_readphy(tp, location);
1207 }
1208
DECLARE_RTL_COND(rtl_ephyar_cond)1209 DECLARE_RTL_COND(rtl_ephyar_cond)
1210 {
1211 void __iomem *ioaddr = tp->mmio_addr;
1212
1213 return RTL_R32(EPHYAR) & EPHYAR_FLAG;
1214 }
1215
rtl_ephy_write(struct rtl8169_private * tp,int reg_addr,int value)1216 static void rtl_ephy_write(struct rtl8169_private *tp, int reg_addr, int value)
1217 {
1218 void __iomem *ioaddr = tp->mmio_addr;
1219
1220 RTL_W32(EPHYAR, EPHYAR_WRITE_CMD | (value & EPHYAR_DATA_MASK) |
1221 (reg_addr & EPHYAR_REG_MASK) << EPHYAR_REG_SHIFT);
1222
1223 rtl_udelay_loop_wait_low(tp, &rtl_ephyar_cond, 10, 100);
1224
1225 udelay(10);
1226 }
1227
rtl_ephy_read(struct rtl8169_private * tp,int reg_addr)1228 static u16 rtl_ephy_read(struct rtl8169_private *tp, int reg_addr)
1229 {
1230 void __iomem *ioaddr = tp->mmio_addr;
1231
1232 RTL_W32(EPHYAR, (reg_addr & EPHYAR_REG_MASK) << EPHYAR_REG_SHIFT);
1233
1234 return rtl_udelay_loop_wait_high(tp, &rtl_ephyar_cond, 10, 100) ?
1235 RTL_R32(EPHYAR) & EPHYAR_DATA_MASK : ~0;
1236 }
1237
DECLARE_RTL_COND(rtl_eriar_cond)1238 DECLARE_RTL_COND(rtl_eriar_cond)
1239 {
1240 void __iomem *ioaddr = tp->mmio_addr;
1241
1242 return RTL_R32(ERIAR) & ERIAR_FLAG;
1243 }
1244
rtl_eri_write(struct rtl8169_private * tp,int addr,u32 mask,u32 val,int type)1245 static void rtl_eri_write(struct rtl8169_private *tp, int addr, u32 mask,
1246 u32 val, int type)
1247 {
1248 void __iomem *ioaddr = tp->mmio_addr;
1249
1250 BUG_ON((addr & 3) || (mask == 0));
1251 RTL_W32(ERIDR, val);
1252 RTL_W32(ERIAR, ERIAR_WRITE_CMD | type | mask | addr);
1253
1254 rtl_udelay_loop_wait_low(tp, &rtl_eriar_cond, 100, 100);
1255 }
1256
rtl_eri_read(struct rtl8169_private * tp,int addr,int type)1257 static u32 rtl_eri_read(struct rtl8169_private *tp, int addr, int type)
1258 {
1259 void __iomem *ioaddr = tp->mmio_addr;
1260
1261 RTL_W32(ERIAR, ERIAR_READ_CMD | type | ERIAR_MASK_1111 | addr);
1262
1263 return rtl_udelay_loop_wait_high(tp, &rtl_eriar_cond, 100, 100) ?
1264 RTL_R32(ERIDR) : ~0;
1265 }
1266
rtl_w0w1_eri(struct rtl8169_private * tp,int addr,u32 mask,u32 p,u32 m,int type)1267 static void rtl_w0w1_eri(struct rtl8169_private *tp, int addr, u32 mask, u32 p,
1268 u32 m, int type)
1269 {
1270 u32 val;
1271
1272 val = rtl_eri_read(tp, addr, type);
1273 rtl_eri_write(tp, addr, mask, (val & ~m) | p, type);
1274 }
1275
r8168dp_ocp_read(struct rtl8169_private * tp,u8 mask,u16 reg)1276 static u32 r8168dp_ocp_read(struct rtl8169_private *tp, u8 mask, u16 reg)
1277 {
1278 void __iomem *ioaddr = tp->mmio_addr;
1279
1280 RTL_W32(OCPAR, ((u32)mask & 0x0f) << 12 | (reg & 0x0fff));
1281 return rtl_udelay_loop_wait_high(tp, &rtl_ocpar_cond, 100, 20) ?
1282 RTL_R32(OCPDR) : ~0;
1283 }
1284
r8168ep_ocp_read(struct rtl8169_private * tp,u8 mask,u16 reg)1285 static u32 r8168ep_ocp_read(struct rtl8169_private *tp, u8 mask, u16 reg)
1286 {
1287 return rtl_eri_read(tp, reg, ERIAR_OOB);
1288 }
1289
ocp_read(struct rtl8169_private * tp,u8 mask,u16 reg)1290 static u32 ocp_read(struct rtl8169_private *tp, u8 mask, u16 reg)
1291 {
1292 switch (tp->mac_version) {
1293 case RTL_GIGA_MAC_VER_27:
1294 case RTL_GIGA_MAC_VER_28:
1295 case RTL_GIGA_MAC_VER_31:
1296 return r8168dp_ocp_read(tp, mask, reg);
1297 case RTL_GIGA_MAC_VER_49:
1298 case RTL_GIGA_MAC_VER_50:
1299 case RTL_GIGA_MAC_VER_51:
1300 return r8168ep_ocp_read(tp, mask, reg);
1301 default:
1302 BUG();
1303 return ~0;
1304 }
1305 }
1306
r8168dp_ocp_write(struct rtl8169_private * tp,u8 mask,u16 reg,u32 data)1307 static void r8168dp_ocp_write(struct rtl8169_private *tp, u8 mask, u16 reg,
1308 u32 data)
1309 {
1310 void __iomem *ioaddr = tp->mmio_addr;
1311
1312 RTL_W32(OCPDR, data);
1313 RTL_W32(OCPAR, OCPAR_FLAG | ((u32)mask & 0x0f) << 12 | (reg & 0x0fff));
1314 rtl_udelay_loop_wait_low(tp, &rtl_ocpar_cond, 100, 20);
1315 }
1316
r8168ep_ocp_write(struct rtl8169_private * tp,u8 mask,u16 reg,u32 data)1317 static void r8168ep_ocp_write(struct rtl8169_private *tp, u8 mask, u16 reg,
1318 u32 data)
1319 {
1320 rtl_eri_write(tp, reg, ((u32)mask & 0x0f) << ERIAR_MASK_SHIFT,
1321 data, ERIAR_OOB);
1322 }
1323
ocp_write(struct rtl8169_private * tp,u8 mask,u16 reg,u32 data)1324 static void ocp_write(struct rtl8169_private *tp, u8 mask, u16 reg, u32 data)
1325 {
1326 switch (tp->mac_version) {
1327 case RTL_GIGA_MAC_VER_27:
1328 case RTL_GIGA_MAC_VER_28:
1329 case RTL_GIGA_MAC_VER_31:
1330 r8168dp_ocp_write(tp, mask, reg, data);
1331 break;
1332 case RTL_GIGA_MAC_VER_49:
1333 case RTL_GIGA_MAC_VER_50:
1334 case RTL_GIGA_MAC_VER_51:
1335 r8168ep_ocp_write(tp, mask, reg, data);
1336 break;
1337 default:
1338 BUG();
1339 break;
1340 }
1341 }
1342
rtl8168_oob_notify(struct rtl8169_private * tp,u8 cmd)1343 static void rtl8168_oob_notify(struct rtl8169_private *tp, u8 cmd)
1344 {
1345 rtl_eri_write(tp, 0xe8, ERIAR_MASK_0001, cmd, ERIAR_EXGMAC);
1346
1347 ocp_write(tp, 0x1, 0x30, 0x00000001);
1348 }
1349
1350 #define OOB_CMD_RESET 0x00
1351 #define OOB_CMD_DRIVER_START 0x05
1352 #define OOB_CMD_DRIVER_STOP 0x06
1353
rtl8168_get_ocp_reg(struct rtl8169_private * tp)1354 static u16 rtl8168_get_ocp_reg(struct rtl8169_private *tp)
1355 {
1356 return (tp->mac_version == RTL_GIGA_MAC_VER_31) ? 0xb8 : 0x10;
1357 }
1358
DECLARE_RTL_COND(rtl_ocp_read_cond)1359 DECLARE_RTL_COND(rtl_ocp_read_cond)
1360 {
1361 u16 reg;
1362
1363 reg = rtl8168_get_ocp_reg(tp);
1364
1365 return ocp_read(tp, 0x0f, reg) & 0x00000800;
1366 }
1367
DECLARE_RTL_COND(rtl_ep_ocp_read_cond)1368 DECLARE_RTL_COND(rtl_ep_ocp_read_cond)
1369 {
1370 return ocp_read(tp, 0x0f, 0x124) & 0x00000001;
1371 }
1372
DECLARE_RTL_COND(rtl_ocp_tx_cond)1373 DECLARE_RTL_COND(rtl_ocp_tx_cond)
1374 {
1375 void __iomem *ioaddr = tp->mmio_addr;
1376
1377 return RTL_R8(IBISR0) & 0x02;
1378 }
1379
rtl8168ep_stop_cmac(struct rtl8169_private * tp)1380 static void rtl8168ep_stop_cmac(struct rtl8169_private *tp)
1381 {
1382 void __iomem *ioaddr = tp->mmio_addr;
1383
1384 RTL_W8(IBCR2, RTL_R8(IBCR2) & ~0x01);
1385 rtl_msleep_loop_wait_low(tp, &rtl_ocp_tx_cond, 50, 2000);
1386 RTL_W8(IBISR0, RTL_R8(IBISR0) | 0x20);
1387 RTL_W8(IBCR0, RTL_R8(IBCR0) & ~0x01);
1388 }
1389
rtl8168dp_driver_start(struct rtl8169_private * tp)1390 static void rtl8168dp_driver_start(struct rtl8169_private *tp)
1391 {
1392 rtl8168_oob_notify(tp, OOB_CMD_DRIVER_START);
1393 rtl_msleep_loop_wait_high(tp, &rtl_ocp_read_cond, 10, 10);
1394 }
1395
rtl8168ep_driver_start(struct rtl8169_private * tp)1396 static void rtl8168ep_driver_start(struct rtl8169_private *tp)
1397 {
1398 ocp_write(tp, 0x01, 0x180, OOB_CMD_DRIVER_START);
1399 ocp_write(tp, 0x01, 0x30, ocp_read(tp, 0x01, 0x30) | 0x01);
1400 rtl_msleep_loop_wait_high(tp, &rtl_ep_ocp_read_cond, 10, 10);
1401 }
1402
rtl8168_driver_start(struct rtl8169_private * tp)1403 static void rtl8168_driver_start(struct rtl8169_private *tp)
1404 {
1405 switch (tp->mac_version) {
1406 case RTL_GIGA_MAC_VER_27:
1407 case RTL_GIGA_MAC_VER_28:
1408 case RTL_GIGA_MAC_VER_31:
1409 rtl8168dp_driver_start(tp);
1410 break;
1411 case RTL_GIGA_MAC_VER_49:
1412 case RTL_GIGA_MAC_VER_50:
1413 case RTL_GIGA_MAC_VER_51:
1414 rtl8168ep_driver_start(tp);
1415 break;
1416 default:
1417 BUG();
1418 break;
1419 }
1420 }
1421
rtl8168dp_driver_stop(struct rtl8169_private * tp)1422 static void rtl8168dp_driver_stop(struct rtl8169_private *tp)
1423 {
1424 rtl8168_oob_notify(tp, OOB_CMD_DRIVER_STOP);
1425 rtl_msleep_loop_wait_low(tp, &rtl_ocp_read_cond, 10, 10);
1426 }
1427
rtl8168ep_driver_stop(struct rtl8169_private * tp)1428 static void rtl8168ep_driver_stop(struct rtl8169_private *tp)
1429 {
1430 rtl8168ep_stop_cmac(tp);
1431 ocp_write(tp, 0x01, 0x180, OOB_CMD_DRIVER_STOP);
1432 ocp_write(tp, 0x01, 0x30, ocp_read(tp, 0x01, 0x30) | 0x01);
1433 rtl_msleep_loop_wait_low(tp, &rtl_ep_ocp_read_cond, 10, 10);
1434 }
1435
rtl8168_driver_stop(struct rtl8169_private * tp)1436 static void rtl8168_driver_stop(struct rtl8169_private *tp)
1437 {
1438 switch (tp->mac_version) {
1439 case RTL_GIGA_MAC_VER_27:
1440 case RTL_GIGA_MAC_VER_28:
1441 case RTL_GIGA_MAC_VER_31:
1442 rtl8168dp_driver_stop(tp);
1443 break;
1444 case RTL_GIGA_MAC_VER_49:
1445 case RTL_GIGA_MAC_VER_50:
1446 case RTL_GIGA_MAC_VER_51:
1447 rtl8168ep_driver_stop(tp);
1448 break;
1449 default:
1450 BUG();
1451 break;
1452 }
1453 }
1454
r8168dp_check_dash(struct rtl8169_private * tp)1455 static int r8168dp_check_dash(struct rtl8169_private *tp)
1456 {
1457 u16 reg = rtl8168_get_ocp_reg(tp);
1458
1459 return (ocp_read(tp, 0x0f, reg) & 0x00008000) ? 1 : 0;
1460 }
1461
r8168ep_check_dash(struct rtl8169_private * tp)1462 static int r8168ep_check_dash(struct rtl8169_private *tp)
1463 {
1464 return (ocp_read(tp, 0x0f, 0x128) & 0x00000001) ? 1 : 0;
1465 }
1466
r8168_check_dash(struct rtl8169_private * tp)1467 static int r8168_check_dash(struct rtl8169_private *tp)
1468 {
1469 switch (tp->mac_version) {
1470 case RTL_GIGA_MAC_VER_27:
1471 case RTL_GIGA_MAC_VER_28:
1472 case RTL_GIGA_MAC_VER_31:
1473 return r8168dp_check_dash(tp);
1474 case RTL_GIGA_MAC_VER_49:
1475 case RTL_GIGA_MAC_VER_50:
1476 case RTL_GIGA_MAC_VER_51:
1477 return r8168ep_check_dash(tp);
1478 default:
1479 return 0;
1480 }
1481 }
1482
1483 struct exgmac_reg {
1484 u16 addr;
1485 u16 mask;
1486 u32 val;
1487 };
1488
rtl_write_exgmac_batch(struct rtl8169_private * tp,const struct exgmac_reg * r,int len)1489 static void rtl_write_exgmac_batch(struct rtl8169_private *tp,
1490 const struct exgmac_reg *r, int len)
1491 {
1492 while (len-- > 0) {
1493 rtl_eri_write(tp, r->addr, r->mask, r->val, ERIAR_EXGMAC);
1494 r++;
1495 }
1496 }
1497
DECLARE_RTL_COND(rtl_efusear_cond)1498 DECLARE_RTL_COND(rtl_efusear_cond)
1499 {
1500 void __iomem *ioaddr = tp->mmio_addr;
1501
1502 return RTL_R32(EFUSEAR) & EFUSEAR_FLAG;
1503 }
1504
rtl8168d_efuse_read(struct rtl8169_private * tp,int reg_addr)1505 static u8 rtl8168d_efuse_read(struct rtl8169_private *tp, int reg_addr)
1506 {
1507 void __iomem *ioaddr = tp->mmio_addr;
1508
1509 RTL_W32(EFUSEAR, (reg_addr & EFUSEAR_REG_MASK) << EFUSEAR_REG_SHIFT);
1510
1511 return rtl_udelay_loop_wait_high(tp, &rtl_efusear_cond, 100, 300) ?
1512 RTL_R32(EFUSEAR) & EFUSEAR_DATA_MASK : ~0;
1513 }
1514
rtl_get_events(struct rtl8169_private * tp)1515 static u16 rtl_get_events(struct rtl8169_private *tp)
1516 {
1517 void __iomem *ioaddr = tp->mmio_addr;
1518
1519 return RTL_R16(IntrStatus);
1520 }
1521
rtl_ack_events(struct rtl8169_private * tp,u16 bits)1522 static void rtl_ack_events(struct rtl8169_private *tp, u16 bits)
1523 {
1524 void __iomem *ioaddr = tp->mmio_addr;
1525
1526 RTL_W16(IntrStatus, bits);
1527 mmiowb();
1528 }
1529
rtl_irq_disable(struct rtl8169_private * tp)1530 static void rtl_irq_disable(struct rtl8169_private *tp)
1531 {
1532 void __iomem *ioaddr = tp->mmio_addr;
1533
1534 RTL_W16(IntrMask, 0);
1535 mmiowb();
1536 }
1537
rtl_irq_enable(struct rtl8169_private * tp,u16 bits)1538 static void rtl_irq_enable(struct rtl8169_private *tp, u16 bits)
1539 {
1540 void __iomem *ioaddr = tp->mmio_addr;
1541
1542 RTL_W16(IntrMask, bits);
1543 }
1544
1545 #define RTL_EVENT_NAPI_RX (RxOK | RxErr)
1546 #define RTL_EVENT_NAPI_TX (TxOK | TxErr)
1547 #define RTL_EVENT_NAPI (RTL_EVENT_NAPI_RX | RTL_EVENT_NAPI_TX)
1548
rtl_irq_enable_all(struct rtl8169_private * tp)1549 static void rtl_irq_enable_all(struct rtl8169_private *tp)
1550 {
1551 rtl_irq_enable(tp, RTL_EVENT_NAPI | tp->event_slow);
1552 }
1553
rtl8169_irq_mask_and_ack(struct rtl8169_private * tp)1554 static void rtl8169_irq_mask_and_ack(struct rtl8169_private *tp)
1555 {
1556 void __iomem *ioaddr = tp->mmio_addr;
1557
1558 rtl_irq_disable(tp);
1559 rtl_ack_events(tp, RTL_EVENT_NAPI | tp->event_slow);
1560 RTL_R8(ChipCmd);
1561 }
1562
rtl8169_tbi_reset_pending(struct rtl8169_private * tp)1563 static unsigned int rtl8169_tbi_reset_pending(struct rtl8169_private *tp)
1564 {
1565 void __iomem *ioaddr = tp->mmio_addr;
1566
1567 return RTL_R32(TBICSR) & TBIReset;
1568 }
1569
rtl8169_xmii_reset_pending(struct rtl8169_private * tp)1570 static unsigned int rtl8169_xmii_reset_pending(struct rtl8169_private *tp)
1571 {
1572 return rtl_readphy(tp, MII_BMCR) & BMCR_RESET;
1573 }
1574
rtl8169_tbi_link_ok(void __iomem * ioaddr)1575 static unsigned int rtl8169_tbi_link_ok(void __iomem *ioaddr)
1576 {
1577 return RTL_R32(TBICSR) & TBILinkOk;
1578 }
1579
rtl8169_xmii_link_ok(void __iomem * ioaddr)1580 static unsigned int rtl8169_xmii_link_ok(void __iomem *ioaddr)
1581 {
1582 return RTL_R8(PHYstatus) & LinkStatus;
1583 }
1584
rtl8169_tbi_reset_enable(struct rtl8169_private * tp)1585 static void rtl8169_tbi_reset_enable(struct rtl8169_private *tp)
1586 {
1587 void __iomem *ioaddr = tp->mmio_addr;
1588
1589 RTL_W32(TBICSR, RTL_R32(TBICSR) | TBIReset);
1590 }
1591
rtl8169_xmii_reset_enable(struct rtl8169_private * tp)1592 static void rtl8169_xmii_reset_enable(struct rtl8169_private *tp)
1593 {
1594 unsigned int val;
1595
1596 val = rtl_readphy(tp, MII_BMCR) | BMCR_RESET;
1597 rtl_writephy(tp, MII_BMCR, val & 0xffff);
1598 }
1599
rtl_link_chg_patch(struct rtl8169_private * tp)1600 static void rtl_link_chg_patch(struct rtl8169_private *tp)
1601 {
1602 void __iomem *ioaddr = tp->mmio_addr;
1603 struct net_device *dev = tp->dev;
1604
1605 if (!netif_running(dev))
1606 return;
1607
1608 if (tp->mac_version == RTL_GIGA_MAC_VER_34 ||
1609 tp->mac_version == RTL_GIGA_MAC_VER_38) {
1610 if (RTL_R8(PHYstatus) & _1000bpsF) {
1611 rtl_eri_write(tp, 0x1bc, ERIAR_MASK_1111, 0x00000011,
1612 ERIAR_EXGMAC);
1613 rtl_eri_write(tp, 0x1dc, ERIAR_MASK_1111, 0x00000005,
1614 ERIAR_EXGMAC);
1615 } else if (RTL_R8(PHYstatus) & _100bps) {
1616 rtl_eri_write(tp, 0x1bc, ERIAR_MASK_1111, 0x0000001f,
1617 ERIAR_EXGMAC);
1618 rtl_eri_write(tp, 0x1dc, ERIAR_MASK_1111, 0x00000005,
1619 ERIAR_EXGMAC);
1620 } else {
1621 rtl_eri_write(tp, 0x1bc, ERIAR_MASK_1111, 0x0000001f,
1622 ERIAR_EXGMAC);
1623 rtl_eri_write(tp, 0x1dc, ERIAR_MASK_1111, 0x0000003f,
1624 ERIAR_EXGMAC);
1625 }
1626 /* Reset packet filter */
1627 rtl_w0w1_eri(tp, 0xdc, ERIAR_MASK_0001, 0x00, 0x01,
1628 ERIAR_EXGMAC);
1629 rtl_w0w1_eri(tp, 0xdc, ERIAR_MASK_0001, 0x01, 0x00,
1630 ERIAR_EXGMAC);
1631 } else if (tp->mac_version == RTL_GIGA_MAC_VER_35 ||
1632 tp->mac_version == RTL_GIGA_MAC_VER_36) {
1633 if (RTL_R8(PHYstatus) & _1000bpsF) {
1634 rtl_eri_write(tp, 0x1bc, ERIAR_MASK_1111, 0x00000011,
1635 ERIAR_EXGMAC);
1636 rtl_eri_write(tp, 0x1dc, ERIAR_MASK_1111, 0x00000005,
1637 ERIAR_EXGMAC);
1638 } else {
1639 rtl_eri_write(tp, 0x1bc, ERIAR_MASK_1111, 0x0000001f,
1640 ERIAR_EXGMAC);
1641 rtl_eri_write(tp, 0x1dc, ERIAR_MASK_1111, 0x0000003f,
1642 ERIAR_EXGMAC);
1643 }
1644 } else if (tp->mac_version == RTL_GIGA_MAC_VER_37) {
1645 if (RTL_R8(PHYstatus) & _10bps) {
1646 rtl_eri_write(tp, 0x1d0, ERIAR_MASK_0011, 0x4d02,
1647 ERIAR_EXGMAC);
1648 rtl_eri_write(tp, 0x1dc, ERIAR_MASK_0011, 0x0060,
1649 ERIAR_EXGMAC);
1650 } else {
1651 rtl_eri_write(tp, 0x1d0, ERIAR_MASK_0011, 0x0000,
1652 ERIAR_EXGMAC);
1653 }
1654 }
1655 }
1656
__rtl8169_check_link_status(struct net_device * dev,struct rtl8169_private * tp,void __iomem * ioaddr,bool pm)1657 static void __rtl8169_check_link_status(struct net_device *dev,
1658 struct rtl8169_private *tp,
1659 void __iomem *ioaddr, bool pm)
1660 {
1661 if (tp->link_ok(ioaddr)) {
1662 rtl_link_chg_patch(tp);
1663 /* This is to cancel a scheduled suspend if there's one. */
1664 if (pm)
1665 pm_request_resume(&tp->pci_dev->dev);
1666 netif_carrier_on(dev);
1667 if (net_ratelimit())
1668 netif_info(tp, ifup, dev, "link up\n");
1669 } else {
1670 netif_carrier_off(dev);
1671 netif_info(tp, ifdown, dev, "link down\n");
1672 if (pm)
1673 pm_schedule_suspend(&tp->pci_dev->dev, 5000);
1674 }
1675 }
1676
rtl8169_check_link_status(struct net_device * dev,struct rtl8169_private * tp,void __iomem * ioaddr)1677 static void rtl8169_check_link_status(struct net_device *dev,
1678 struct rtl8169_private *tp,
1679 void __iomem *ioaddr)
1680 {
1681 __rtl8169_check_link_status(dev, tp, ioaddr, false);
1682 }
1683
1684 #define WAKE_ANY (WAKE_PHY | WAKE_MAGIC | WAKE_UCAST | WAKE_BCAST | WAKE_MCAST)
1685
__rtl8169_get_wol(struct rtl8169_private * tp)1686 static u32 __rtl8169_get_wol(struct rtl8169_private *tp)
1687 {
1688 void __iomem *ioaddr = tp->mmio_addr;
1689 u8 options;
1690 u32 wolopts = 0;
1691
1692 options = RTL_R8(Config1);
1693 if (!(options & PMEnable))
1694 return 0;
1695
1696 options = RTL_R8(Config3);
1697 if (options & LinkUp)
1698 wolopts |= WAKE_PHY;
1699 switch (tp->mac_version) {
1700 case RTL_GIGA_MAC_VER_34:
1701 case RTL_GIGA_MAC_VER_35:
1702 case RTL_GIGA_MAC_VER_36:
1703 case RTL_GIGA_MAC_VER_37:
1704 case RTL_GIGA_MAC_VER_38:
1705 case RTL_GIGA_MAC_VER_40:
1706 case RTL_GIGA_MAC_VER_41:
1707 case RTL_GIGA_MAC_VER_42:
1708 case RTL_GIGA_MAC_VER_43:
1709 case RTL_GIGA_MAC_VER_44:
1710 case RTL_GIGA_MAC_VER_45:
1711 case RTL_GIGA_MAC_VER_46:
1712 case RTL_GIGA_MAC_VER_47:
1713 case RTL_GIGA_MAC_VER_48:
1714 case RTL_GIGA_MAC_VER_49:
1715 case RTL_GIGA_MAC_VER_50:
1716 case RTL_GIGA_MAC_VER_51:
1717 if (rtl_eri_read(tp, 0xdc, ERIAR_EXGMAC) & MagicPacket_v2)
1718 wolopts |= WAKE_MAGIC;
1719 break;
1720 default:
1721 if (options & MagicPacket)
1722 wolopts |= WAKE_MAGIC;
1723 break;
1724 }
1725
1726 options = RTL_R8(Config5);
1727 if (options & UWF)
1728 wolopts |= WAKE_UCAST;
1729 if (options & BWF)
1730 wolopts |= WAKE_BCAST;
1731 if (options & MWF)
1732 wolopts |= WAKE_MCAST;
1733
1734 return wolopts;
1735 }
1736
rtl8169_get_wol(struct net_device * dev,struct ethtool_wolinfo * wol)1737 static void rtl8169_get_wol(struct net_device *dev, struct ethtool_wolinfo *wol)
1738 {
1739 struct rtl8169_private *tp = netdev_priv(dev);
1740
1741 rtl_lock_work(tp);
1742
1743 wol->supported = WAKE_ANY;
1744 wol->wolopts = __rtl8169_get_wol(tp);
1745
1746 rtl_unlock_work(tp);
1747 }
1748
__rtl8169_set_wol(struct rtl8169_private * tp,u32 wolopts)1749 static void __rtl8169_set_wol(struct rtl8169_private *tp, u32 wolopts)
1750 {
1751 void __iomem *ioaddr = tp->mmio_addr;
1752 unsigned int i, tmp;
1753 static const struct {
1754 u32 opt;
1755 u16 reg;
1756 u8 mask;
1757 } cfg[] = {
1758 { WAKE_PHY, Config3, LinkUp },
1759 { WAKE_UCAST, Config5, UWF },
1760 { WAKE_BCAST, Config5, BWF },
1761 { WAKE_MCAST, Config5, MWF },
1762 { WAKE_ANY, Config5, LanWake },
1763 { WAKE_MAGIC, Config3, MagicPacket }
1764 };
1765 u8 options;
1766
1767 RTL_W8(Cfg9346, Cfg9346_Unlock);
1768
1769 switch (tp->mac_version) {
1770 case RTL_GIGA_MAC_VER_34:
1771 case RTL_GIGA_MAC_VER_35:
1772 case RTL_GIGA_MAC_VER_36:
1773 case RTL_GIGA_MAC_VER_37:
1774 case RTL_GIGA_MAC_VER_38:
1775 case RTL_GIGA_MAC_VER_40:
1776 case RTL_GIGA_MAC_VER_41:
1777 case RTL_GIGA_MAC_VER_42:
1778 case RTL_GIGA_MAC_VER_43:
1779 case RTL_GIGA_MAC_VER_44:
1780 case RTL_GIGA_MAC_VER_45:
1781 case RTL_GIGA_MAC_VER_46:
1782 case RTL_GIGA_MAC_VER_47:
1783 case RTL_GIGA_MAC_VER_48:
1784 case RTL_GIGA_MAC_VER_49:
1785 case RTL_GIGA_MAC_VER_50:
1786 case RTL_GIGA_MAC_VER_51:
1787 tmp = ARRAY_SIZE(cfg) - 1;
1788 if (wolopts & WAKE_MAGIC)
1789 rtl_w0w1_eri(tp,
1790 0x0dc,
1791 ERIAR_MASK_0100,
1792 MagicPacket_v2,
1793 0x0000,
1794 ERIAR_EXGMAC);
1795 else
1796 rtl_w0w1_eri(tp,
1797 0x0dc,
1798 ERIAR_MASK_0100,
1799 0x0000,
1800 MagicPacket_v2,
1801 ERIAR_EXGMAC);
1802 break;
1803 default:
1804 tmp = ARRAY_SIZE(cfg);
1805 break;
1806 }
1807
1808 for (i = 0; i < tmp; i++) {
1809 options = RTL_R8(cfg[i].reg) & ~cfg[i].mask;
1810 if (wolopts & cfg[i].opt)
1811 options |= cfg[i].mask;
1812 RTL_W8(cfg[i].reg, options);
1813 }
1814
1815 switch (tp->mac_version) {
1816 case RTL_GIGA_MAC_VER_01 ... RTL_GIGA_MAC_VER_17:
1817 options = RTL_R8(Config1) & ~PMEnable;
1818 if (wolopts)
1819 options |= PMEnable;
1820 RTL_W8(Config1, options);
1821 break;
1822 default:
1823 options = RTL_R8(Config2) & ~PME_SIGNAL;
1824 if (wolopts)
1825 options |= PME_SIGNAL;
1826 RTL_W8(Config2, options);
1827 break;
1828 }
1829
1830 RTL_W8(Cfg9346, Cfg9346_Lock);
1831 }
1832
rtl8169_set_wol(struct net_device * dev,struct ethtool_wolinfo * wol)1833 static int rtl8169_set_wol(struct net_device *dev, struct ethtool_wolinfo *wol)
1834 {
1835 struct rtl8169_private *tp = netdev_priv(dev);
1836
1837 rtl_lock_work(tp);
1838
1839 if (wol->wolopts)
1840 tp->features |= RTL_FEATURE_WOL;
1841 else
1842 tp->features &= ~RTL_FEATURE_WOL;
1843 __rtl8169_set_wol(tp, wol->wolopts);
1844
1845 rtl_unlock_work(tp);
1846
1847 device_set_wakeup_enable(&tp->pci_dev->dev, wol->wolopts);
1848
1849 return 0;
1850 }
1851
rtl_lookup_firmware_name(struct rtl8169_private * tp)1852 static const char *rtl_lookup_firmware_name(struct rtl8169_private *tp)
1853 {
1854 return rtl_chip_infos[tp->mac_version].fw_name;
1855 }
1856
rtl8169_get_drvinfo(struct net_device * dev,struct ethtool_drvinfo * info)1857 static void rtl8169_get_drvinfo(struct net_device *dev,
1858 struct ethtool_drvinfo *info)
1859 {
1860 struct rtl8169_private *tp = netdev_priv(dev);
1861 struct rtl_fw *rtl_fw = tp->rtl_fw;
1862
1863 strlcpy(info->driver, MODULENAME, sizeof(info->driver));
1864 strlcpy(info->version, RTL8169_VERSION, sizeof(info->version));
1865 strlcpy(info->bus_info, pci_name(tp->pci_dev), sizeof(info->bus_info));
1866 BUILD_BUG_ON(sizeof(info->fw_version) < sizeof(rtl_fw->version));
1867 if (!IS_ERR_OR_NULL(rtl_fw))
1868 strlcpy(info->fw_version, rtl_fw->version,
1869 sizeof(info->fw_version));
1870 }
1871
rtl8169_get_regs_len(struct net_device * dev)1872 static int rtl8169_get_regs_len(struct net_device *dev)
1873 {
1874 return R8169_REGS_SIZE;
1875 }
1876
rtl8169_set_speed_tbi(struct net_device * dev,u8 autoneg,u16 speed,u8 duplex,u32 ignored)1877 static int rtl8169_set_speed_tbi(struct net_device *dev,
1878 u8 autoneg, u16 speed, u8 duplex, u32 ignored)
1879 {
1880 struct rtl8169_private *tp = netdev_priv(dev);
1881 void __iomem *ioaddr = tp->mmio_addr;
1882 int ret = 0;
1883 u32 reg;
1884
1885 reg = RTL_R32(TBICSR);
1886 if ((autoneg == AUTONEG_DISABLE) && (speed == SPEED_1000) &&
1887 (duplex == DUPLEX_FULL)) {
1888 RTL_W32(TBICSR, reg & ~(TBINwEnable | TBINwRestart));
1889 } else if (autoneg == AUTONEG_ENABLE)
1890 RTL_W32(TBICSR, reg | TBINwEnable | TBINwRestart);
1891 else {
1892 netif_warn(tp, link, dev,
1893 "incorrect speed setting refused in TBI mode\n");
1894 ret = -EOPNOTSUPP;
1895 }
1896
1897 return ret;
1898 }
1899
rtl8169_set_speed_xmii(struct net_device * dev,u8 autoneg,u16 speed,u8 duplex,u32 adv)1900 static int rtl8169_set_speed_xmii(struct net_device *dev,
1901 u8 autoneg, u16 speed, u8 duplex, u32 adv)
1902 {
1903 struct rtl8169_private *tp = netdev_priv(dev);
1904 int giga_ctrl, bmcr;
1905 int rc = -EINVAL;
1906
1907 rtl_writephy(tp, 0x1f, 0x0000);
1908
1909 if (autoneg == AUTONEG_ENABLE) {
1910 int auto_nego;
1911
1912 auto_nego = rtl_readphy(tp, MII_ADVERTISE);
1913 auto_nego &= ~(ADVERTISE_10HALF | ADVERTISE_10FULL |
1914 ADVERTISE_100HALF | ADVERTISE_100FULL);
1915
1916 if (adv & ADVERTISED_10baseT_Half)
1917 auto_nego |= ADVERTISE_10HALF;
1918 if (adv & ADVERTISED_10baseT_Full)
1919 auto_nego |= ADVERTISE_10FULL;
1920 if (adv & ADVERTISED_100baseT_Half)
1921 auto_nego |= ADVERTISE_100HALF;
1922 if (adv & ADVERTISED_100baseT_Full)
1923 auto_nego |= ADVERTISE_100FULL;
1924
1925 auto_nego |= ADVERTISE_PAUSE_CAP | ADVERTISE_PAUSE_ASYM;
1926
1927 giga_ctrl = rtl_readphy(tp, MII_CTRL1000);
1928 giga_ctrl &= ~(ADVERTISE_1000FULL | ADVERTISE_1000HALF);
1929
1930 /* The 8100e/8101e/8102e do Fast Ethernet only. */
1931 if (tp->mii.supports_gmii) {
1932 if (adv & ADVERTISED_1000baseT_Half)
1933 giga_ctrl |= ADVERTISE_1000HALF;
1934 if (adv & ADVERTISED_1000baseT_Full)
1935 giga_ctrl |= ADVERTISE_1000FULL;
1936 } else if (adv & (ADVERTISED_1000baseT_Half |
1937 ADVERTISED_1000baseT_Full)) {
1938 netif_info(tp, link, dev,
1939 "PHY does not support 1000Mbps\n");
1940 goto out;
1941 }
1942
1943 bmcr = BMCR_ANENABLE | BMCR_ANRESTART;
1944
1945 rtl_writephy(tp, MII_ADVERTISE, auto_nego);
1946 rtl_writephy(tp, MII_CTRL1000, giga_ctrl);
1947 } else {
1948 giga_ctrl = 0;
1949
1950 if (speed == SPEED_10)
1951 bmcr = 0;
1952 else if (speed == SPEED_100)
1953 bmcr = BMCR_SPEED100;
1954 else
1955 goto out;
1956
1957 if (duplex == DUPLEX_FULL)
1958 bmcr |= BMCR_FULLDPLX;
1959 }
1960
1961 rtl_writephy(tp, MII_BMCR, bmcr);
1962
1963 if (tp->mac_version == RTL_GIGA_MAC_VER_02 ||
1964 tp->mac_version == RTL_GIGA_MAC_VER_03) {
1965 if ((speed == SPEED_100) && (autoneg != AUTONEG_ENABLE)) {
1966 rtl_writephy(tp, 0x17, 0x2138);
1967 rtl_writephy(tp, 0x0e, 0x0260);
1968 } else {
1969 rtl_writephy(tp, 0x17, 0x2108);
1970 rtl_writephy(tp, 0x0e, 0x0000);
1971 }
1972 }
1973
1974 rc = 0;
1975 out:
1976 return rc;
1977 }
1978
rtl8169_set_speed(struct net_device * dev,u8 autoneg,u16 speed,u8 duplex,u32 advertising)1979 static int rtl8169_set_speed(struct net_device *dev,
1980 u8 autoneg, u16 speed, u8 duplex, u32 advertising)
1981 {
1982 struct rtl8169_private *tp = netdev_priv(dev);
1983 int ret;
1984
1985 ret = tp->set_speed(dev, autoneg, speed, duplex, advertising);
1986 if (ret < 0)
1987 goto out;
1988
1989 if (netif_running(dev) && (autoneg == AUTONEG_ENABLE) &&
1990 (advertising & ADVERTISED_1000baseT_Full)) {
1991 mod_timer(&tp->timer, jiffies + RTL8169_PHY_TIMEOUT);
1992 }
1993 out:
1994 return ret;
1995 }
1996
rtl8169_set_settings(struct net_device * dev,struct ethtool_cmd * cmd)1997 static int rtl8169_set_settings(struct net_device *dev, struct ethtool_cmd *cmd)
1998 {
1999 struct rtl8169_private *tp = netdev_priv(dev);
2000 int ret;
2001
2002 del_timer_sync(&tp->timer);
2003
2004 rtl_lock_work(tp);
2005 ret = rtl8169_set_speed(dev, cmd->autoneg, ethtool_cmd_speed(cmd),
2006 cmd->duplex, cmd->advertising);
2007 rtl_unlock_work(tp);
2008
2009 return ret;
2010 }
2011
rtl8169_fix_features(struct net_device * dev,netdev_features_t features)2012 static netdev_features_t rtl8169_fix_features(struct net_device *dev,
2013 netdev_features_t features)
2014 {
2015 struct rtl8169_private *tp = netdev_priv(dev);
2016
2017 if (dev->mtu > TD_MSS_MAX)
2018 features &= ~NETIF_F_ALL_TSO;
2019
2020 if (dev->mtu > JUMBO_1K &&
2021 !rtl_chip_infos[tp->mac_version].jumbo_tx_csum)
2022 features &= ~NETIF_F_IP_CSUM;
2023
2024 return features;
2025 }
2026
__rtl8169_set_features(struct net_device * dev,netdev_features_t features)2027 static void __rtl8169_set_features(struct net_device *dev,
2028 netdev_features_t features)
2029 {
2030 struct rtl8169_private *tp = netdev_priv(dev);
2031 void __iomem *ioaddr = tp->mmio_addr;
2032 u32 rx_config;
2033
2034 rx_config = RTL_R32(RxConfig);
2035 if (features & NETIF_F_RXALL)
2036 rx_config |= (AcceptErr | AcceptRunt);
2037 else
2038 rx_config &= ~(AcceptErr | AcceptRunt);
2039
2040 RTL_W32(RxConfig, rx_config);
2041
2042 if (features & NETIF_F_RXCSUM)
2043 tp->cp_cmd |= RxChkSum;
2044 else
2045 tp->cp_cmd &= ~RxChkSum;
2046
2047 if (features & NETIF_F_HW_VLAN_CTAG_RX)
2048 tp->cp_cmd |= RxVlan;
2049 else
2050 tp->cp_cmd &= ~RxVlan;
2051
2052 tp->cp_cmd |= RTL_R16(CPlusCmd) & ~(RxVlan | RxChkSum);
2053
2054 RTL_W16(CPlusCmd, tp->cp_cmd);
2055 RTL_R16(CPlusCmd);
2056 }
2057
rtl8169_set_features(struct net_device * dev,netdev_features_t features)2058 static int rtl8169_set_features(struct net_device *dev,
2059 netdev_features_t features)
2060 {
2061 struct rtl8169_private *tp = netdev_priv(dev);
2062
2063 features &= NETIF_F_RXALL | NETIF_F_RXCSUM | NETIF_F_HW_VLAN_CTAG_RX;
2064
2065 rtl_lock_work(tp);
2066 if (features ^ dev->features)
2067 __rtl8169_set_features(dev, features);
2068 rtl_unlock_work(tp);
2069
2070 return 0;
2071 }
2072
2073
rtl8169_tx_vlan_tag(struct sk_buff * skb)2074 static inline u32 rtl8169_tx_vlan_tag(struct sk_buff *skb)
2075 {
2076 return (skb_vlan_tag_present(skb)) ?
2077 TxVlanTag | swab16(skb_vlan_tag_get(skb)) : 0x00;
2078 }
2079
rtl8169_rx_vlan_tag(struct RxDesc * desc,struct sk_buff * skb)2080 static void rtl8169_rx_vlan_tag(struct RxDesc *desc, struct sk_buff *skb)
2081 {
2082 u32 opts2 = le32_to_cpu(desc->opts2);
2083
2084 if (opts2 & RxVlanTag)
2085 __vlan_hwaccel_put_tag(skb, htons(ETH_P_8021Q), swab16(opts2 & 0xffff));
2086 }
2087
rtl8169_gset_tbi(struct net_device * dev,struct ethtool_cmd * cmd)2088 static int rtl8169_gset_tbi(struct net_device *dev, struct ethtool_cmd *cmd)
2089 {
2090 struct rtl8169_private *tp = netdev_priv(dev);
2091 void __iomem *ioaddr = tp->mmio_addr;
2092 u32 status;
2093
2094 cmd->supported =
2095 SUPPORTED_1000baseT_Full | SUPPORTED_Autoneg | SUPPORTED_FIBRE;
2096 cmd->port = PORT_FIBRE;
2097 cmd->transceiver = XCVR_INTERNAL;
2098
2099 status = RTL_R32(TBICSR);
2100 cmd->advertising = (status & TBINwEnable) ? ADVERTISED_Autoneg : 0;
2101 cmd->autoneg = !!(status & TBINwEnable);
2102
2103 ethtool_cmd_speed_set(cmd, SPEED_1000);
2104 cmd->duplex = DUPLEX_FULL; /* Always set */
2105
2106 return 0;
2107 }
2108
rtl8169_gset_xmii(struct net_device * dev,struct ethtool_cmd * cmd)2109 static int rtl8169_gset_xmii(struct net_device *dev, struct ethtool_cmd *cmd)
2110 {
2111 struct rtl8169_private *tp = netdev_priv(dev);
2112
2113 return mii_ethtool_gset(&tp->mii, cmd);
2114 }
2115
rtl8169_get_settings(struct net_device * dev,struct ethtool_cmd * cmd)2116 static int rtl8169_get_settings(struct net_device *dev, struct ethtool_cmd *cmd)
2117 {
2118 struct rtl8169_private *tp = netdev_priv(dev);
2119 int rc;
2120
2121 rtl_lock_work(tp);
2122 rc = tp->get_settings(dev, cmd);
2123 rtl_unlock_work(tp);
2124
2125 return rc;
2126 }
2127
rtl8169_get_regs(struct net_device * dev,struct ethtool_regs * regs,void * p)2128 static void rtl8169_get_regs(struct net_device *dev, struct ethtool_regs *regs,
2129 void *p)
2130 {
2131 struct rtl8169_private *tp = netdev_priv(dev);
2132 u32 __iomem *data = tp->mmio_addr;
2133 u32 *dw = p;
2134 int i;
2135
2136 rtl_lock_work(tp);
2137 for (i = 0; i < R8169_REGS_SIZE; i += 4)
2138 memcpy_fromio(dw++, data++, 4);
2139 rtl_unlock_work(tp);
2140 }
2141
rtl8169_get_msglevel(struct net_device * dev)2142 static u32 rtl8169_get_msglevel(struct net_device *dev)
2143 {
2144 struct rtl8169_private *tp = netdev_priv(dev);
2145
2146 return tp->msg_enable;
2147 }
2148
rtl8169_set_msglevel(struct net_device * dev,u32 value)2149 static void rtl8169_set_msglevel(struct net_device *dev, u32 value)
2150 {
2151 struct rtl8169_private *tp = netdev_priv(dev);
2152
2153 tp->msg_enable = value;
2154 }
2155
2156 static const char rtl8169_gstrings[][ETH_GSTRING_LEN] = {
2157 "tx_packets",
2158 "rx_packets",
2159 "tx_errors",
2160 "rx_errors",
2161 "rx_missed",
2162 "align_errors",
2163 "tx_single_collisions",
2164 "tx_multi_collisions",
2165 "unicast",
2166 "broadcast",
2167 "multicast",
2168 "tx_aborted",
2169 "tx_underrun",
2170 };
2171
rtl8169_get_sset_count(struct net_device * dev,int sset)2172 static int rtl8169_get_sset_count(struct net_device *dev, int sset)
2173 {
2174 switch (sset) {
2175 case ETH_SS_STATS:
2176 return ARRAY_SIZE(rtl8169_gstrings);
2177 default:
2178 return -EOPNOTSUPP;
2179 }
2180 }
2181
DECLARE_RTL_COND(rtl_counters_cond)2182 DECLARE_RTL_COND(rtl_counters_cond)
2183 {
2184 void __iomem *ioaddr = tp->mmio_addr;
2185
2186 return RTL_R32(CounterAddrLow) & CounterDump;
2187 }
2188
rtl8169_update_counters(struct net_device * dev)2189 static void rtl8169_update_counters(struct net_device *dev)
2190 {
2191 struct rtl8169_private *tp = netdev_priv(dev);
2192 void __iomem *ioaddr = tp->mmio_addr;
2193 struct device *d = &tp->pci_dev->dev;
2194 struct rtl8169_counters *counters;
2195 dma_addr_t paddr;
2196 u32 cmd;
2197
2198 /*
2199 * Some chips are unable to dump tally counters when the receiver
2200 * is disabled.
2201 */
2202 if ((RTL_R8(ChipCmd) & CmdRxEnb) == 0)
2203 return;
2204
2205 counters = dma_alloc_coherent(d, sizeof(*counters), &paddr, GFP_KERNEL);
2206 if (!counters)
2207 return;
2208
2209 RTL_W32(CounterAddrHigh, (u64)paddr >> 32);
2210 cmd = (u64)paddr & DMA_BIT_MASK(32);
2211 RTL_W32(CounterAddrLow, cmd);
2212 RTL_W32(CounterAddrLow, cmd | CounterDump);
2213
2214 if (rtl_udelay_loop_wait_low(tp, &rtl_counters_cond, 10, 1000))
2215 memcpy(&tp->counters, counters, sizeof(*counters));
2216
2217 RTL_W32(CounterAddrLow, 0);
2218 RTL_W32(CounterAddrHigh, 0);
2219
2220 dma_free_coherent(d, sizeof(*counters), counters, paddr);
2221 }
2222
rtl8169_get_ethtool_stats(struct net_device * dev,struct ethtool_stats * stats,u64 * data)2223 static void rtl8169_get_ethtool_stats(struct net_device *dev,
2224 struct ethtool_stats *stats, u64 *data)
2225 {
2226 struct rtl8169_private *tp = netdev_priv(dev);
2227
2228 ASSERT_RTNL();
2229
2230 rtl8169_update_counters(dev);
2231
2232 data[0] = le64_to_cpu(tp->counters.tx_packets);
2233 data[1] = le64_to_cpu(tp->counters.rx_packets);
2234 data[2] = le64_to_cpu(tp->counters.tx_errors);
2235 data[3] = le32_to_cpu(tp->counters.rx_errors);
2236 data[4] = le16_to_cpu(tp->counters.rx_missed);
2237 data[5] = le16_to_cpu(tp->counters.align_errors);
2238 data[6] = le32_to_cpu(tp->counters.tx_one_collision);
2239 data[7] = le32_to_cpu(tp->counters.tx_multi_collision);
2240 data[8] = le64_to_cpu(tp->counters.rx_unicast);
2241 data[9] = le64_to_cpu(tp->counters.rx_broadcast);
2242 data[10] = le32_to_cpu(tp->counters.rx_multicast);
2243 data[11] = le16_to_cpu(tp->counters.tx_aborted);
2244 data[12] = le16_to_cpu(tp->counters.tx_underun);
2245 }
2246
rtl8169_get_strings(struct net_device * dev,u32 stringset,u8 * data)2247 static void rtl8169_get_strings(struct net_device *dev, u32 stringset, u8 *data)
2248 {
2249 switch(stringset) {
2250 case ETH_SS_STATS:
2251 memcpy(data, *rtl8169_gstrings, sizeof(rtl8169_gstrings));
2252 break;
2253 }
2254 }
2255
2256 static const struct ethtool_ops rtl8169_ethtool_ops = {
2257 .get_drvinfo = rtl8169_get_drvinfo,
2258 .get_regs_len = rtl8169_get_regs_len,
2259 .get_link = ethtool_op_get_link,
2260 .get_settings = rtl8169_get_settings,
2261 .set_settings = rtl8169_set_settings,
2262 .get_msglevel = rtl8169_get_msglevel,
2263 .set_msglevel = rtl8169_set_msglevel,
2264 .get_regs = rtl8169_get_regs,
2265 .get_wol = rtl8169_get_wol,
2266 .set_wol = rtl8169_set_wol,
2267 .get_strings = rtl8169_get_strings,
2268 .get_sset_count = rtl8169_get_sset_count,
2269 .get_ethtool_stats = rtl8169_get_ethtool_stats,
2270 .get_ts_info = ethtool_op_get_ts_info,
2271 };
2272
rtl8169_get_mac_version(struct rtl8169_private * tp,struct net_device * dev,u8 default_version)2273 static void rtl8169_get_mac_version(struct rtl8169_private *tp,
2274 struct net_device *dev, u8 default_version)
2275 {
2276 void __iomem *ioaddr = tp->mmio_addr;
2277 /*
2278 * The driver currently handles the 8168Bf and the 8168Be identically
2279 * but they can be identified more specifically through the test below
2280 * if needed:
2281 *
2282 * (RTL_R32(TxConfig) & 0x700000) == 0x500000 ? 8168Bf : 8168Be
2283 *
2284 * Same thing for the 8101Eb and the 8101Ec:
2285 *
2286 * (RTL_R32(TxConfig) & 0x700000) == 0x200000 ? 8101Eb : 8101Ec
2287 */
2288 static const struct rtl_mac_info {
2289 u32 mask;
2290 u32 val;
2291 int mac_version;
2292 } mac_info[] = {
2293 /* 8168EP family. */
2294 { 0x7cf00000, 0x50200000, RTL_GIGA_MAC_VER_51 },
2295 { 0x7cf00000, 0x50100000, RTL_GIGA_MAC_VER_50 },
2296 { 0x7cf00000, 0x50000000, RTL_GIGA_MAC_VER_49 },
2297
2298 /* 8168H family. */
2299 { 0x7cf00000, 0x54100000, RTL_GIGA_MAC_VER_46 },
2300 { 0x7cf00000, 0x54000000, RTL_GIGA_MAC_VER_45 },
2301
2302 /* 8168G family. */
2303 { 0x7cf00000, 0x5c800000, RTL_GIGA_MAC_VER_44 },
2304 { 0x7cf00000, 0x50900000, RTL_GIGA_MAC_VER_42 },
2305 { 0x7cf00000, 0x4c100000, RTL_GIGA_MAC_VER_41 },
2306 { 0x7cf00000, 0x4c000000, RTL_GIGA_MAC_VER_40 },
2307
2308 /* 8168F family. */
2309 { 0x7c800000, 0x48800000, RTL_GIGA_MAC_VER_38 },
2310 { 0x7cf00000, 0x48100000, RTL_GIGA_MAC_VER_36 },
2311 { 0x7cf00000, 0x48000000, RTL_GIGA_MAC_VER_35 },
2312
2313 /* 8168E family. */
2314 { 0x7c800000, 0x2c800000, RTL_GIGA_MAC_VER_34 },
2315 { 0x7cf00000, 0x2c200000, RTL_GIGA_MAC_VER_33 },
2316 { 0x7cf00000, 0x2c100000, RTL_GIGA_MAC_VER_32 },
2317 { 0x7c800000, 0x2c000000, RTL_GIGA_MAC_VER_33 },
2318
2319 /* 8168D family. */
2320 { 0x7cf00000, 0x28300000, RTL_GIGA_MAC_VER_26 },
2321 { 0x7cf00000, 0x28100000, RTL_GIGA_MAC_VER_25 },
2322 { 0x7c800000, 0x28000000, RTL_GIGA_MAC_VER_26 },
2323
2324 /* 8168DP family. */
2325 { 0x7cf00000, 0x28800000, RTL_GIGA_MAC_VER_27 },
2326 { 0x7cf00000, 0x28a00000, RTL_GIGA_MAC_VER_28 },
2327 { 0x7cf00000, 0x28b00000, RTL_GIGA_MAC_VER_31 },
2328
2329 /* 8168C family. */
2330 { 0x7cf00000, 0x3cb00000, RTL_GIGA_MAC_VER_24 },
2331 { 0x7cf00000, 0x3c900000, RTL_GIGA_MAC_VER_23 },
2332 { 0x7cf00000, 0x3c800000, RTL_GIGA_MAC_VER_18 },
2333 { 0x7c800000, 0x3c800000, RTL_GIGA_MAC_VER_24 },
2334 { 0x7cf00000, 0x3c000000, RTL_GIGA_MAC_VER_19 },
2335 { 0x7cf00000, 0x3c200000, RTL_GIGA_MAC_VER_20 },
2336 { 0x7cf00000, 0x3c300000, RTL_GIGA_MAC_VER_21 },
2337 { 0x7cf00000, 0x3c400000, RTL_GIGA_MAC_VER_22 },
2338 { 0x7c800000, 0x3c000000, RTL_GIGA_MAC_VER_22 },
2339
2340 /* 8168B family. */
2341 { 0x7cf00000, 0x38000000, RTL_GIGA_MAC_VER_12 },
2342 { 0x7cf00000, 0x38500000, RTL_GIGA_MAC_VER_17 },
2343 { 0x7c800000, 0x38000000, RTL_GIGA_MAC_VER_17 },
2344 { 0x7c800000, 0x30000000, RTL_GIGA_MAC_VER_11 },
2345
2346 /* 8101 family. */
2347 { 0x7cf00000, 0x44900000, RTL_GIGA_MAC_VER_39 },
2348 { 0x7c800000, 0x44800000, RTL_GIGA_MAC_VER_39 },
2349 { 0x7c800000, 0x44000000, RTL_GIGA_MAC_VER_37 },
2350 { 0x7cf00000, 0x40b00000, RTL_GIGA_MAC_VER_30 },
2351 { 0x7cf00000, 0x40a00000, RTL_GIGA_MAC_VER_30 },
2352 { 0x7cf00000, 0x40900000, RTL_GIGA_MAC_VER_29 },
2353 { 0x7c800000, 0x40800000, RTL_GIGA_MAC_VER_30 },
2354 { 0x7cf00000, 0x34a00000, RTL_GIGA_MAC_VER_09 },
2355 { 0x7cf00000, 0x24a00000, RTL_GIGA_MAC_VER_09 },
2356 { 0x7cf00000, 0x34900000, RTL_GIGA_MAC_VER_08 },
2357 { 0x7cf00000, 0x24900000, RTL_GIGA_MAC_VER_08 },
2358 { 0x7cf00000, 0x34800000, RTL_GIGA_MAC_VER_07 },
2359 { 0x7cf00000, 0x24800000, RTL_GIGA_MAC_VER_07 },
2360 { 0x7cf00000, 0x34000000, RTL_GIGA_MAC_VER_13 },
2361 { 0x7cf00000, 0x34300000, RTL_GIGA_MAC_VER_10 },
2362 { 0x7cf00000, 0x34200000, RTL_GIGA_MAC_VER_16 },
2363 { 0x7c800000, 0x34800000, RTL_GIGA_MAC_VER_09 },
2364 { 0x7c800000, 0x24800000, RTL_GIGA_MAC_VER_09 },
2365 { 0x7c800000, 0x34000000, RTL_GIGA_MAC_VER_16 },
2366 /* FIXME: where did these entries come from ? -- FR */
2367 { 0xfc800000, 0x38800000, RTL_GIGA_MAC_VER_15 },
2368 { 0xfc800000, 0x30800000, RTL_GIGA_MAC_VER_14 },
2369
2370 /* 8110 family. */
2371 { 0xfc800000, 0x98000000, RTL_GIGA_MAC_VER_06 },
2372 { 0xfc800000, 0x18000000, RTL_GIGA_MAC_VER_05 },
2373 { 0xfc800000, 0x10000000, RTL_GIGA_MAC_VER_04 },
2374 { 0xfc800000, 0x04000000, RTL_GIGA_MAC_VER_03 },
2375 { 0xfc800000, 0x00800000, RTL_GIGA_MAC_VER_02 },
2376 { 0xfc800000, 0x00000000, RTL_GIGA_MAC_VER_01 },
2377
2378 /* Catch-all */
2379 { 0x00000000, 0x00000000, RTL_GIGA_MAC_NONE }
2380 };
2381 const struct rtl_mac_info *p = mac_info;
2382 u32 reg;
2383
2384 reg = RTL_R32(TxConfig);
2385 while ((reg & p->mask) != p->val)
2386 p++;
2387 tp->mac_version = p->mac_version;
2388
2389 if (tp->mac_version == RTL_GIGA_MAC_NONE) {
2390 netif_notice(tp, probe, dev,
2391 "unknown MAC, using family default\n");
2392 tp->mac_version = default_version;
2393 } else if (tp->mac_version == RTL_GIGA_MAC_VER_42) {
2394 tp->mac_version = tp->mii.supports_gmii ?
2395 RTL_GIGA_MAC_VER_42 :
2396 RTL_GIGA_MAC_VER_43;
2397 } else if (tp->mac_version == RTL_GIGA_MAC_VER_45) {
2398 tp->mac_version = tp->mii.supports_gmii ?
2399 RTL_GIGA_MAC_VER_45 :
2400 RTL_GIGA_MAC_VER_47;
2401 } else if (tp->mac_version == RTL_GIGA_MAC_VER_46) {
2402 tp->mac_version = tp->mii.supports_gmii ?
2403 RTL_GIGA_MAC_VER_46 :
2404 RTL_GIGA_MAC_VER_48;
2405 }
2406 }
2407
rtl8169_print_mac_version(struct rtl8169_private * tp)2408 static void rtl8169_print_mac_version(struct rtl8169_private *tp)
2409 {
2410 dprintk("mac_version = 0x%02x\n", tp->mac_version);
2411 }
2412
2413 struct phy_reg {
2414 u16 reg;
2415 u16 val;
2416 };
2417
rtl_writephy_batch(struct rtl8169_private * tp,const struct phy_reg * regs,int len)2418 static void rtl_writephy_batch(struct rtl8169_private *tp,
2419 const struct phy_reg *regs, int len)
2420 {
2421 while (len-- > 0) {
2422 rtl_writephy(tp, regs->reg, regs->val);
2423 regs++;
2424 }
2425 }
2426
2427 #define PHY_READ 0x00000000
2428 #define PHY_DATA_OR 0x10000000
2429 #define PHY_DATA_AND 0x20000000
2430 #define PHY_BJMPN 0x30000000
2431 #define PHY_MDIO_CHG 0x40000000
2432 #define PHY_CLEAR_READCOUNT 0x70000000
2433 #define PHY_WRITE 0x80000000
2434 #define PHY_READCOUNT_EQ_SKIP 0x90000000
2435 #define PHY_COMP_EQ_SKIPN 0xa0000000
2436 #define PHY_COMP_NEQ_SKIPN 0xb0000000
2437 #define PHY_WRITE_PREVIOUS 0xc0000000
2438 #define PHY_SKIPN 0xd0000000
2439 #define PHY_DELAY_MS 0xe0000000
2440
2441 struct fw_info {
2442 u32 magic;
2443 char version[RTL_VER_SIZE];
2444 __le32 fw_start;
2445 __le32 fw_len;
2446 u8 chksum;
2447 } __packed;
2448
2449 #define FW_OPCODE_SIZE sizeof(typeof(*((struct rtl_fw_phy_action *)0)->code))
2450
rtl_fw_format_ok(struct rtl8169_private * tp,struct rtl_fw * rtl_fw)2451 static bool rtl_fw_format_ok(struct rtl8169_private *tp, struct rtl_fw *rtl_fw)
2452 {
2453 const struct firmware *fw = rtl_fw->fw;
2454 struct fw_info *fw_info = (struct fw_info *)fw->data;
2455 struct rtl_fw_phy_action *pa = &rtl_fw->phy_action;
2456 char *version = rtl_fw->version;
2457 bool rc = false;
2458
2459 if (fw->size < FW_OPCODE_SIZE)
2460 goto out;
2461
2462 if (!fw_info->magic) {
2463 size_t i, size, start;
2464 u8 checksum = 0;
2465
2466 if (fw->size < sizeof(*fw_info))
2467 goto out;
2468
2469 for (i = 0; i < fw->size; i++)
2470 checksum += fw->data[i];
2471 if (checksum != 0)
2472 goto out;
2473
2474 start = le32_to_cpu(fw_info->fw_start);
2475 if (start > fw->size)
2476 goto out;
2477
2478 size = le32_to_cpu(fw_info->fw_len);
2479 if (size > (fw->size - start) / FW_OPCODE_SIZE)
2480 goto out;
2481
2482 memcpy(version, fw_info->version, RTL_VER_SIZE);
2483
2484 pa->code = (__le32 *)(fw->data + start);
2485 pa->size = size;
2486 } else {
2487 if (fw->size % FW_OPCODE_SIZE)
2488 goto out;
2489
2490 strlcpy(version, rtl_lookup_firmware_name(tp), RTL_VER_SIZE);
2491
2492 pa->code = (__le32 *)fw->data;
2493 pa->size = fw->size / FW_OPCODE_SIZE;
2494 }
2495 version[RTL_VER_SIZE - 1] = 0;
2496
2497 rc = true;
2498 out:
2499 return rc;
2500 }
2501
rtl_fw_data_ok(struct rtl8169_private * tp,struct net_device * dev,struct rtl_fw_phy_action * pa)2502 static bool rtl_fw_data_ok(struct rtl8169_private *tp, struct net_device *dev,
2503 struct rtl_fw_phy_action *pa)
2504 {
2505 bool rc = false;
2506 size_t index;
2507
2508 for (index = 0; index < pa->size; index++) {
2509 u32 action = le32_to_cpu(pa->code[index]);
2510 u32 regno = (action & 0x0fff0000) >> 16;
2511
2512 switch(action & 0xf0000000) {
2513 case PHY_READ:
2514 case PHY_DATA_OR:
2515 case PHY_DATA_AND:
2516 case PHY_MDIO_CHG:
2517 case PHY_CLEAR_READCOUNT:
2518 case PHY_WRITE:
2519 case PHY_WRITE_PREVIOUS:
2520 case PHY_DELAY_MS:
2521 break;
2522
2523 case PHY_BJMPN:
2524 if (regno > index) {
2525 netif_err(tp, ifup, tp->dev,
2526 "Out of range of firmware\n");
2527 goto out;
2528 }
2529 break;
2530 case PHY_READCOUNT_EQ_SKIP:
2531 if (index + 2 >= pa->size) {
2532 netif_err(tp, ifup, tp->dev,
2533 "Out of range of firmware\n");
2534 goto out;
2535 }
2536 break;
2537 case PHY_COMP_EQ_SKIPN:
2538 case PHY_COMP_NEQ_SKIPN:
2539 case PHY_SKIPN:
2540 if (index + 1 + regno >= pa->size) {
2541 netif_err(tp, ifup, tp->dev,
2542 "Out of range of firmware\n");
2543 goto out;
2544 }
2545 break;
2546
2547 default:
2548 netif_err(tp, ifup, tp->dev,
2549 "Invalid action 0x%08x\n", action);
2550 goto out;
2551 }
2552 }
2553 rc = true;
2554 out:
2555 return rc;
2556 }
2557
rtl_check_firmware(struct rtl8169_private * tp,struct rtl_fw * rtl_fw)2558 static int rtl_check_firmware(struct rtl8169_private *tp, struct rtl_fw *rtl_fw)
2559 {
2560 struct net_device *dev = tp->dev;
2561 int rc = -EINVAL;
2562
2563 if (!rtl_fw_format_ok(tp, rtl_fw)) {
2564 netif_err(tp, ifup, dev, "invalid firmware\n");
2565 goto out;
2566 }
2567
2568 if (rtl_fw_data_ok(tp, dev, &rtl_fw->phy_action))
2569 rc = 0;
2570 out:
2571 return rc;
2572 }
2573
rtl_phy_write_fw(struct rtl8169_private * tp,struct rtl_fw * rtl_fw)2574 static void rtl_phy_write_fw(struct rtl8169_private *tp, struct rtl_fw *rtl_fw)
2575 {
2576 struct rtl_fw_phy_action *pa = &rtl_fw->phy_action;
2577 struct mdio_ops org, *ops = &tp->mdio_ops;
2578 u32 predata, count;
2579 size_t index;
2580
2581 predata = count = 0;
2582 org.write = ops->write;
2583 org.read = ops->read;
2584
2585 for (index = 0; index < pa->size; ) {
2586 u32 action = le32_to_cpu(pa->code[index]);
2587 u32 data = action & 0x0000ffff;
2588 u32 regno = (action & 0x0fff0000) >> 16;
2589
2590 if (!action)
2591 break;
2592
2593 switch(action & 0xf0000000) {
2594 case PHY_READ:
2595 predata = rtl_readphy(tp, regno);
2596 count++;
2597 index++;
2598 break;
2599 case PHY_DATA_OR:
2600 predata |= data;
2601 index++;
2602 break;
2603 case PHY_DATA_AND:
2604 predata &= data;
2605 index++;
2606 break;
2607 case PHY_BJMPN:
2608 index -= regno;
2609 break;
2610 case PHY_MDIO_CHG:
2611 if (data == 0) {
2612 ops->write = org.write;
2613 ops->read = org.read;
2614 } else if (data == 1) {
2615 ops->write = mac_mcu_write;
2616 ops->read = mac_mcu_read;
2617 }
2618
2619 index++;
2620 break;
2621 case PHY_CLEAR_READCOUNT:
2622 count = 0;
2623 index++;
2624 break;
2625 case PHY_WRITE:
2626 rtl_writephy(tp, regno, data);
2627 index++;
2628 break;
2629 case PHY_READCOUNT_EQ_SKIP:
2630 index += (count == data) ? 2 : 1;
2631 break;
2632 case PHY_COMP_EQ_SKIPN:
2633 if (predata == data)
2634 index += regno;
2635 index++;
2636 break;
2637 case PHY_COMP_NEQ_SKIPN:
2638 if (predata != data)
2639 index += regno;
2640 index++;
2641 break;
2642 case PHY_WRITE_PREVIOUS:
2643 rtl_writephy(tp, regno, predata);
2644 index++;
2645 break;
2646 case PHY_SKIPN:
2647 index += regno + 1;
2648 break;
2649 case PHY_DELAY_MS:
2650 mdelay(data);
2651 index++;
2652 break;
2653
2654 default:
2655 BUG();
2656 }
2657 }
2658
2659 ops->write = org.write;
2660 ops->read = org.read;
2661 }
2662
rtl_release_firmware(struct rtl8169_private * tp)2663 static void rtl_release_firmware(struct rtl8169_private *tp)
2664 {
2665 if (!IS_ERR_OR_NULL(tp->rtl_fw)) {
2666 release_firmware(tp->rtl_fw->fw);
2667 kfree(tp->rtl_fw);
2668 }
2669 tp->rtl_fw = RTL_FIRMWARE_UNKNOWN;
2670 }
2671
rtl_apply_firmware(struct rtl8169_private * tp)2672 static void rtl_apply_firmware(struct rtl8169_private *tp)
2673 {
2674 struct rtl_fw *rtl_fw = tp->rtl_fw;
2675
2676 /* TODO: release firmware once rtl_phy_write_fw signals failures. */
2677 if (!IS_ERR_OR_NULL(rtl_fw))
2678 rtl_phy_write_fw(tp, rtl_fw);
2679 }
2680
rtl_apply_firmware_cond(struct rtl8169_private * tp,u8 reg,u16 val)2681 static void rtl_apply_firmware_cond(struct rtl8169_private *tp, u8 reg, u16 val)
2682 {
2683 if (rtl_readphy(tp, reg) != val)
2684 netif_warn(tp, hw, tp->dev, "chipset not ready for firmware\n");
2685 else
2686 rtl_apply_firmware(tp);
2687 }
2688
rtl8169s_hw_phy_config(struct rtl8169_private * tp)2689 static void rtl8169s_hw_phy_config(struct rtl8169_private *tp)
2690 {
2691 static const struct phy_reg phy_reg_init[] = {
2692 { 0x1f, 0x0001 },
2693 { 0x06, 0x006e },
2694 { 0x08, 0x0708 },
2695 { 0x15, 0x4000 },
2696 { 0x18, 0x65c7 },
2697
2698 { 0x1f, 0x0001 },
2699 { 0x03, 0x00a1 },
2700 { 0x02, 0x0008 },
2701 { 0x01, 0x0120 },
2702 { 0x00, 0x1000 },
2703 { 0x04, 0x0800 },
2704 { 0x04, 0x0000 },
2705
2706 { 0x03, 0xff41 },
2707 { 0x02, 0xdf60 },
2708 { 0x01, 0x0140 },
2709 { 0x00, 0x0077 },
2710 { 0x04, 0x7800 },
2711 { 0x04, 0x7000 },
2712
2713 { 0x03, 0x802f },
2714 { 0x02, 0x4f02 },
2715 { 0x01, 0x0409 },
2716 { 0x00, 0xf0f9 },
2717 { 0x04, 0x9800 },
2718 { 0x04, 0x9000 },
2719
2720 { 0x03, 0xdf01 },
2721 { 0x02, 0xdf20 },
2722 { 0x01, 0xff95 },
2723 { 0x00, 0xba00 },
2724 { 0x04, 0xa800 },
2725 { 0x04, 0xa000 },
2726
2727 { 0x03, 0xff41 },
2728 { 0x02, 0xdf20 },
2729 { 0x01, 0x0140 },
2730 { 0x00, 0x00bb },
2731 { 0x04, 0xb800 },
2732 { 0x04, 0xb000 },
2733
2734 { 0x03, 0xdf41 },
2735 { 0x02, 0xdc60 },
2736 { 0x01, 0x6340 },
2737 { 0x00, 0x007d },
2738 { 0x04, 0xd800 },
2739 { 0x04, 0xd000 },
2740
2741 { 0x03, 0xdf01 },
2742 { 0x02, 0xdf20 },
2743 { 0x01, 0x100a },
2744 { 0x00, 0xa0ff },
2745 { 0x04, 0xf800 },
2746 { 0x04, 0xf000 },
2747
2748 { 0x1f, 0x0000 },
2749 { 0x0b, 0x0000 },
2750 { 0x00, 0x9200 }
2751 };
2752
2753 rtl_writephy_batch(tp, phy_reg_init, ARRAY_SIZE(phy_reg_init));
2754 }
2755
rtl8169sb_hw_phy_config(struct rtl8169_private * tp)2756 static void rtl8169sb_hw_phy_config(struct rtl8169_private *tp)
2757 {
2758 static const struct phy_reg phy_reg_init[] = {
2759 { 0x1f, 0x0002 },
2760 { 0x01, 0x90d0 },
2761 { 0x1f, 0x0000 }
2762 };
2763
2764 rtl_writephy_batch(tp, phy_reg_init, ARRAY_SIZE(phy_reg_init));
2765 }
2766
rtl8169scd_hw_phy_config_quirk(struct rtl8169_private * tp)2767 static void rtl8169scd_hw_phy_config_quirk(struct rtl8169_private *tp)
2768 {
2769 struct pci_dev *pdev = tp->pci_dev;
2770
2771 if ((pdev->subsystem_vendor != PCI_VENDOR_ID_GIGABYTE) ||
2772 (pdev->subsystem_device != 0xe000))
2773 return;
2774
2775 rtl_writephy(tp, 0x1f, 0x0001);
2776 rtl_writephy(tp, 0x10, 0xf01b);
2777 rtl_writephy(tp, 0x1f, 0x0000);
2778 }
2779
rtl8169scd_hw_phy_config(struct rtl8169_private * tp)2780 static void rtl8169scd_hw_phy_config(struct rtl8169_private *tp)
2781 {
2782 static const struct phy_reg phy_reg_init[] = {
2783 { 0x1f, 0x0001 },
2784 { 0x04, 0x0000 },
2785 { 0x03, 0x00a1 },
2786 { 0x02, 0x0008 },
2787 { 0x01, 0x0120 },
2788 { 0x00, 0x1000 },
2789 { 0x04, 0x0800 },
2790 { 0x04, 0x9000 },
2791 { 0x03, 0x802f },
2792 { 0x02, 0x4f02 },
2793 { 0x01, 0x0409 },
2794 { 0x00, 0xf099 },
2795 { 0x04, 0x9800 },
2796 { 0x04, 0xa000 },
2797 { 0x03, 0xdf01 },
2798 { 0x02, 0xdf20 },
2799 { 0x01, 0xff95 },
2800 { 0x00, 0xba00 },
2801 { 0x04, 0xa800 },
2802 { 0x04, 0xf000 },
2803 { 0x03, 0xdf01 },
2804 { 0x02, 0xdf20 },
2805 { 0x01, 0x101a },
2806 { 0x00, 0xa0ff },
2807 { 0x04, 0xf800 },
2808 { 0x04, 0x0000 },
2809 { 0x1f, 0x0000 },
2810
2811 { 0x1f, 0x0001 },
2812 { 0x10, 0xf41b },
2813 { 0x14, 0xfb54 },
2814 { 0x18, 0xf5c7 },
2815 { 0x1f, 0x0000 },
2816
2817 { 0x1f, 0x0001 },
2818 { 0x17, 0x0cc0 },
2819 { 0x1f, 0x0000 }
2820 };
2821
2822 rtl_writephy_batch(tp, phy_reg_init, ARRAY_SIZE(phy_reg_init));
2823
2824 rtl8169scd_hw_phy_config_quirk(tp);
2825 }
2826
rtl8169sce_hw_phy_config(struct rtl8169_private * tp)2827 static void rtl8169sce_hw_phy_config(struct rtl8169_private *tp)
2828 {
2829 static const struct phy_reg phy_reg_init[] = {
2830 { 0x1f, 0x0001 },
2831 { 0x04, 0x0000 },
2832 { 0x03, 0x00a1 },
2833 { 0x02, 0x0008 },
2834 { 0x01, 0x0120 },
2835 { 0x00, 0x1000 },
2836 { 0x04, 0x0800 },
2837 { 0x04, 0x9000 },
2838 { 0x03, 0x802f },
2839 { 0x02, 0x4f02 },
2840 { 0x01, 0x0409 },
2841 { 0x00, 0xf099 },
2842 { 0x04, 0x9800 },
2843 { 0x04, 0xa000 },
2844 { 0x03, 0xdf01 },
2845 { 0x02, 0xdf20 },
2846 { 0x01, 0xff95 },
2847 { 0x00, 0xba00 },
2848 { 0x04, 0xa800 },
2849 { 0x04, 0xf000 },
2850 { 0x03, 0xdf01 },
2851 { 0x02, 0xdf20 },
2852 { 0x01, 0x101a },
2853 { 0x00, 0xa0ff },
2854 { 0x04, 0xf800 },
2855 { 0x04, 0x0000 },
2856 { 0x1f, 0x0000 },
2857
2858 { 0x1f, 0x0001 },
2859 { 0x0b, 0x8480 },
2860 { 0x1f, 0x0000 },
2861
2862 { 0x1f, 0x0001 },
2863 { 0x18, 0x67c7 },
2864 { 0x04, 0x2000 },
2865 { 0x03, 0x002f },
2866 { 0x02, 0x4360 },
2867 { 0x01, 0x0109 },
2868 { 0x00, 0x3022 },
2869 { 0x04, 0x2800 },
2870 { 0x1f, 0x0000 },
2871
2872 { 0x1f, 0x0001 },
2873 { 0x17, 0x0cc0 },
2874 { 0x1f, 0x0000 }
2875 };
2876
2877 rtl_writephy_batch(tp, phy_reg_init, ARRAY_SIZE(phy_reg_init));
2878 }
2879
rtl8168bb_hw_phy_config(struct rtl8169_private * tp)2880 static void rtl8168bb_hw_phy_config(struct rtl8169_private *tp)
2881 {
2882 static const struct phy_reg phy_reg_init[] = {
2883 { 0x10, 0xf41b },
2884 { 0x1f, 0x0000 }
2885 };
2886
2887 rtl_writephy(tp, 0x1f, 0x0001);
2888 rtl_patchphy(tp, 0x16, 1 << 0);
2889
2890 rtl_writephy_batch(tp, phy_reg_init, ARRAY_SIZE(phy_reg_init));
2891 }
2892
rtl8168bef_hw_phy_config(struct rtl8169_private * tp)2893 static void rtl8168bef_hw_phy_config(struct rtl8169_private *tp)
2894 {
2895 static const struct phy_reg phy_reg_init[] = {
2896 { 0x1f, 0x0001 },
2897 { 0x10, 0xf41b },
2898 { 0x1f, 0x0000 }
2899 };
2900
2901 rtl_writephy_batch(tp, phy_reg_init, ARRAY_SIZE(phy_reg_init));
2902 }
2903
rtl8168cp_1_hw_phy_config(struct rtl8169_private * tp)2904 static void rtl8168cp_1_hw_phy_config(struct rtl8169_private *tp)
2905 {
2906 static const struct phy_reg phy_reg_init[] = {
2907 { 0x1f, 0x0000 },
2908 { 0x1d, 0x0f00 },
2909 { 0x1f, 0x0002 },
2910 { 0x0c, 0x1ec8 },
2911 { 0x1f, 0x0000 }
2912 };
2913
2914 rtl_writephy_batch(tp, phy_reg_init, ARRAY_SIZE(phy_reg_init));
2915 }
2916
rtl8168cp_2_hw_phy_config(struct rtl8169_private * tp)2917 static void rtl8168cp_2_hw_phy_config(struct rtl8169_private *tp)
2918 {
2919 static const struct phy_reg phy_reg_init[] = {
2920 { 0x1f, 0x0001 },
2921 { 0x1d, 0x3d98 },
2922 { 0x1f, 0x0000 }
2923 };
2924
2925 rtl_writephy(tp, 0x1f, 0x0000);
2926 rtl_patchphy(tp, 0x14, 1 << 5);
2927 rtl_patchphy(tp, 0x0d, 1 << 5);
2928
2929 rtl_writephy_batch(tp, phy_reg_init, ARRAY_SIZE(phy_reg_init));
2930 }
2931
rtl8168c_1_hw_phy_config(struct rtl8169_private * tp)2932 static void rtl8168c_1_hw_phy_config(struct rtl8169_private *tp)
2933 {
2934 static const struct phy_reg phy_reg_init[] = {
2935 { 0x1f, 0x0001 },
2936 { 0x12, 0x2300 },
2937 { 0x1f, 0x0002 },
2938 { 0x00, 0x88d4 },
2939 { 0x01, 0x82b1 },
2940 { 0x03, 0x7002 },
2941 { 0x08, 0x9e30 },
2942 { 0x09, 0x01f0 },
2943 { 0x0a, 0x5500 },
2944 { 0x0c, 0x00c8 },
2945 { 0x1f, 0x0003 },
2946 { 0x12, 0xc096 },
2947 { 0x16, 0x000a },
2948 { 0x1f, 0x0000 },
2949 { 0x1f, 0x0000 },
2950 { 0x09, 0x2000 },
2951 { 0x09, 0x0000 }
2952 };
2953
2954 rtl_writephy_batch(tp, phy_reg_init, ARRAY_SIZE(phy_reg_init));
2955
2956 rtl_patchphy(tp, 0x14, 1 << 5);
2957 rtl_patchphy(tp, 0x0d, 1 << 5);
2958 rtl_writephy(tp, 0x1f, 0x0000);
2959 }
2960
rtl8168c_2_hw_phy_config(struct rtl8169_private * tp)2961 static void rtl8168c_2_hw_phy_config(struct rtl8169_private *tp)
2962 {
2963 static const struct phy_reg phy_reg_init[] = {
2964 { 0x1f, 0x0001 },
2965 { 0x12, 0x2300 },
2966 { 0x03, 0x802f },
2967 { 0x02, 0x4f02 },
2968 { 0x01, 0x0409 },
2969 { 0x00, 0xf099 },
2970 { 0x04, 0x9800 },
2971 { 0x04, 0x9000 },
2972 { 0x1d, 0x3d98 },
2973 { 0x1f, 0x0002 },
2974 { 0x0c, 0x7eb8 },
2975 { 0x06, 0x0761 },
2976 { 0x1f, 0x0003 },
2977 { 0x16, 0x0f0a },
2978 { 0x1f, 0x0000 }
2979 };
2980
2981 rtl_writephy_batch(tp, phy_reg_init, ARRAY_SIZE(phy_reg_init));
2982
2983 rtl_patchphy(tp, 0x16, 1 << 0);
2984 rtl_patchphy(tp, 0x14, 1 << 5);
2985 rtl_patchphy(tp, 0x0d, 1 << 5);
2986 rtl_writephy(tp, 0x1f, 0x0000);
2987 }
2988
rtl8168c_3_hw_phy_config(struct rtl8169_private * tp)2989 static void rtl8168c_3_hw_phy_config(struct rtl8169_private *tp)
2990 {
2991 static const struct phy_reg phy_reg_init[] = {
2992 { 0x1f, 0x0001 },
2993 { 0x12, 0x2300 },
2994 { 0x1d, 0x3d98 },
2995 { 0x1f, 0x0002 },
2996 { 0x0c, 0x7eb8 },
2997 { 0x06, 0x5461 },
2998 { 0x1f, 0x0003 },
2999 { 0x16, 0x0f0a },
3000 { 0x1f, 0x0000 }
3001 };
3002
3003 rtl_writephy_batch(tp, phy_reg_init, ARRAY_SIZE(phy_reg_init));
3004
3005 rtl_patchphy(tp, 0x16, 1 << 0);
3006 rtl_patchphy(tp, 0x14, 1 << 5);
3007 rtl_patchphy(tp, 0x0d, 1 << 5);
3008 rtl_writephy(tp, 0x1f, 0x0000);
3009 }
3010
rtl8168c_4_hw_phy_config(struct rtl8169_private * tp)3011 static void rtl8168c_4_hw_phy_config(struct rtl8169_private *tp)
3012 {
3013 rtl8168c_3_hw_phy_config(tp);
3014 }
3015
rtl8168d_1_hw_phy_config(struct rtl8169_private * tp)3016 static void rtl8168d_1_hw_phy_config(struct rtl8169_private *tp)
3017 {
3018 static const struct phy_reg phy_reg_init_0[] = {
3019 /* Channel Estimation */
3020 { 0x1f, 0x0001 },
3021 { 0x06, 0x4064 },
3022 { 0x07, 0x2863 },
3023 { 0x08, 0x059c },
3024 { 0x09, 0x26b4 },
3025 { 0x0a, 0x6a19 },
3026 { 0x0b, 0xdcc8 },
3027 { 0x10, 0xf06d },
3028 { 0x14, 0x7f68 },
3029 { 0x18, 0x7fd9 },
3030 { 0x1c, 0xf0ff },
3031 { 0x1d, 0x3d9c },
3032 { 0x1f, 0x0003 },
3033 { 0x12, 0xf49f },
3034 { 0x13, 0x070b },
3035 { 0x1a, 0x05ad },
3036 { 0x14, 0x94c0 },
3037
3038 /*
3039 * Tx Error Issue
3040 * Enhance line driver power
3041 */
3042 { 0x1f, 0x0002 },
3043 { 0x06, 0x5561 },
3044 { 0x1f, 0x0005 },
3045 { 0x05, 0x8332 },
3046 { 0x06, 0x5561 },
3047
3048 /*
3049 * Can not link to 1Gbps with bad cable
3050 * Decrease SNR threshold form 21.07dB to 19.04dB
3051 */
3052 { 0x1f, 0x0001 },
3053 { 0x17, 0x0cc0 },
3054
3055 { 0x1f, 0x0000 },
3056 { 0x0d, 0xf880 }
3057 };
3058
3059 rtl_writephy_batch(tp, phy_reg_init_0, ARRAY_SIZE(phy_reg_init_0));
3060
3061 /*
3062 * Rx Error Issue
3063 * Fine Tune Switching regulator parameter
3064 */
3065 rtl_writephy(tp, 0x1f, 0x0002);
3066 rtl_w0w1_phy(tp, 0x0b, 0x0010, 0x00ef);
3067 rtl_w0w1_phy(tp, 0x0c, 0xa200, 0x5d00);
3068
3069 if (rtl8168d_efuse_read(tp, 0x01) == 0xb1) {
3070 static const struct phy_reg phy_reg_init[] = {
3071 { 0x1f, 0x0002 },
3072 { 0x05, 0x669a },
3073 { 0x1f, 0x0005 },
3074 { 0x05, 0x8330 },
3075 { 0x06, 0x669a },
3076 { 0x1f, 0x0002 }
3077 };
3078 int val;
3079
3080 rtl_writephy_batch(tp, phy_reg_init, ARRAY_SIZE(phy_reg_init));
3081
3082 val = rtl_readphy(tp, 0x0d);
3083
3084 if ((val & 0x00ff) != 0x006c) {
3085 static const u32 set[] = {
3086 0x0065, 0x0066, 0x0067, 0x0068,
3087 0x0069, 0x006a, 0x006b, 0x006c
3088 };
3089 int i;
3090
3091 rtl_writephy(tp, 0x1f, 0x0002);
3092
3093 val &= 0xff00;
3094 for (i = 0; i < ARRAY_SIZE(set); i++)
3095 rtl_writephy(tp, 0x0d, val | set[i]);
3096 }
3097 } else {
3098 static const struct phy_reg phy_reg_init[] = {
3099 { 0x1f, 0x0002 },
3100 { 0x05, 0x6662 },
3101 { 0x1f, 0x0005 },
3102 { 0x05, 0x8330 },
3103 { 0x06, 0x6662 }
3104 };
3105
3106 rtl_writephy_batch(tp, phy_reg_init, ARRAY_SIZE(phy_reg_init));
3107 }
3108
3109 /* RSET couple improve */
3110 rtl_writephy(tp, 0x1f, 0x0002);
3111 rtl_patchphy(tp, 0x0d, 0x0300);
3112 rtl_patchphy(tp, 0x0f, 0x0010);
3113
3114 /* Fine tune PLL performance */
3115 rtl_writephy(tp, 0x1f, 0x0002);
3116 rtl_w0w1_phy(tp, 0x02, 0x0100, 0x0600);
3117 rtl_w0w1_phy(tp, 0x03, 0x0000, 0xe000);
3118
3119 rtl_writephy(tp, 0x1f, 0x0005);
3120 rtl_writephy(tp, 0x05, 0x001b);
3121
3122 rtl_apply_firmware_cond(tp, MII_EXPANSION, 0xbf00);
3123
3124 rtl_writephy(tp, 0x1f, 0x0000);
3125 }
3126
rtl8168d_2_hw_phy_config(struct rtl8169_private * tp)3127 static void rtl8168d_2_hw_phy_config(struct rtl8169_private *tp)
3128 {
3129 static const struct phy_reg phy_reg_init_0[] = {
3130 /* Channel Estimation */
3131 { 0x1f, 0x0001 },
3132 { 0x06, 0x4064 },
3133 { 0x07, 0x2863 },
3134 { 0x08, 0x059c },
3135 { 0x09, 0x26b4 },
3136 { 0x0a, 0x6a19 },
3137 { 0x0b, 0xdcc8 },
3138 { 0x10, 0xf06d },
3139 { 0x14, 0x7f68 },
3140 { 0x18, 0x7fd9 },
3141 { 0x1c, 0xf0ff },
3142 { 0x1d, 0x3d9c },
3143 { 0x1f, 0x0003 },
3144 { 0x12, 0xf49f },
3145 { 0x13, 0x070b },
3146 { 0x1a, 0x05ad },
3147 { 0x14, 0x94c0 },
3148
3149 /*
3150 * Tx Error Issue
3151 * Enhance line driver power
3152 */
3153 { 0x1f, 0x0002 },
3154 { 0x06, 0x5561 },
3155 { 0x1f, 0x0005 },
3156 { 0x05, 0x8332 },
3157 { 0x06, 0x5561 },
3158
3159 /*
3160 * Can not link to 1Gbps with bad cable
3161 * Decrease SNR threshold form 21.07dB to 19.04dB
3162 */
3163 { 0x1f, 0x0001 },
3164 { 0x17, 0x0cc0 },
3165
3166 { 0x1f, 0x0000 },
3167 { 0x0d, 0xf880 }
3168 };
3169
3170 rtl_writephy_batch(tp, phy_reg_init_0, ARRAY_SIZE(phy_reg_init_0));
3171
3172 if (rtl8168d_efuse_read(tp, 0x01) == 0xb1) {
3173 static const struct phy_reg phy_reg_init[] = {
3174 { 0x1f, 0x0002 },
3175 { 0x05, 0x669a },
3176 { 0x1f, 0x0005 },
3177 { 0x05, 0x8330 },
3178 { 0x06, 0x669a },
3179
3180 { 0x1f, 0x0002 }
3181 };
3182 int val;
3183
3184 rtl_writephy_batch(tp, phy_reg_init, ARRAY_SIZE(phy_reg_init));
3185
3186 val = rtl_readphy(tp, 0x0d);
3187 if ((val & 0x00ff) != 0x006c) {
3188 static const u32 set[] = {
3189 0x0065, 0x0066, 0x0067, 0x0068,
3190 0x0069, 0x006a, 0x006b, 0x006c
3191 };
3192 int i;
3193
3194 rtl_writephy(tp, 0x1f, 0x0002);
3195
3196 val &= 0xff00;
3197 for (i = 0; i < ARRAY_SIZE(set); i++)
3198 rtl_writephy(tp, 0x0d, val | set[i]);
3199 }
3200 } else {
3201 static const struct phy_reg phy_reg_init[] = {
3202 { 0x1f, 0x0002 },
3203 { 0x05, 0x2642 },
3204 { 0x1f, 0x0005 },
3205 { 0x05, 0x8330 },
3206 { 0x06, 0x2642 }
3207 };
3208
3209 rtl_writephy_batch(tp, phy_reg_init, ARRAY_SIZE(phy_reg_init));
3210 }
3211
3212 /* Fine tune PLL performance */
3213 rtl_writephy(tp, 0x1f, 0x0002);
3214 rtl_w0w1_phy(tp, 0x02, 0x0100, 0x0600);
3215 rtl_w0w1_phy(tp, 0x03, 0x0000, 0xe000);
3216
3217 /* Switching regulator Slew rate */
3218 rtl_writephy(tp, 0x1f, 0x0002);
3219 rtl_patchphy(tp, 0x0f, 0x0017);
3220
3221 rtl_writephy(tp, 0x1f, 0x0005);
3222 rtl_writephy(tp, 0x05, 0x001b);
3223
3224 rtl_apply_firmware_cond(tp, MII_EXPANSION, 0xb300);
3225
3226 rtl_writephy(tp, 0x1f, 0x0000);
3227 }
3228
rtl8168d_3_hw_phy_config(struct rtl8169_private * tp)3229 static void rtl8168d_3_hw_phy_config(struct rtl8169_private *tp)
3230 {
3231 static const struct phy_reg phy_reg_init[] = {
3232 { 0x1f, 0x0002 },
3233 { 0x10, 0x0008 },
3234 { 0x0d, 0x006c },
3235
3236 { 0x1f, 0x0000 },
3237 { 0x0d, 0xf880 },
3238
3239 { 0x1f, 0x0001 },
3240 { 0x17, 0x0cc0 },
3241
3242 { 0x1f, 0x0001 },
3243 { 0x0b, 0xa4d8 },
3244 { 0x09, 0x281c },
3245 { 0x07, 0x2883 },
3246 { 0x0a, 0x6b35 },
3247 { 0x1d, 0x3da4 },
3248 { 0x1c, 0xeffd },
3249 { 0x14, 0x7f52 },
3250 { 0x18, 0x7fc6 },
3251 { 0x08, 0x0601 },
3252 { 0x06, 0x4063 },
3253 { 0x10, 0xf074 },
3254 { 0x1f, 0x0003 },
3255 { 0x13, 0x0789 },
3256 { 0x12, 0xf4bd },
3257 { 0x1a, 0x04fd },
3258 { 0x14, 0x84b0 },
3259 { 0x1f, 0x0000 },
3260 { 0x00, 0x9200 },
3261
3262 { 0x1f, 0x0005 },
3263 { 0x01, 0x0340 },
3264 { 0x1f, 0x0001 },
3265 { 0x04, 0x4000 },
3266 { 0x03, 0x1d21 },
3267 { 0x02, 0x0c32 },
3268 { 0x01, 0x0200 },
3269 { 0x00, 0x5554 },
3270 { 0x04, 0x4800 },
3271 { 0x04, 0x4000 },
3272 { 0x04, 0xf000 },
3273 { 0x03, 0xdf01 },
3274 { 0x02, 0xdf20 },
3275 { 0x01, 0x101a },
3276 { 0x00, 0xa0ff },
3277 { 0x04, 0xf800 },
3278 { 0x04, 0xf000 },
3279 { 0x1f, 0x0000 },
3280
3281 { 0x1f, 0x0007 },
3282 { 0x1e, 0x0023 },
3283 { 0x16, 0x0000 },
3284 { 0x1f, 0x0000 }
3285 };
3286
3287 rtl_writephy_batch(tp, phy_reg_init, ARRAY_SIZE(phy_reg_init));
3288 }
3289
rtl8168d_4_hw_phy_config(struct rtl8169_private * tp)3290 static void rtl8168d_4_hw_phy_config(struct rtl8169_private *tp)
3291 {
3292 static const struct phy_reg phy_reg_init[] = {
3293 { 0x1f, 0x0001 },
3294 { 0x17, 0x0cc0 },
3295
3296 { 0x1f, 0x0007 },
3297 { 0x1e, 0x002d },
3298 { 0x18, 0x0040 },
3299 { 0x1f, 0x0000 }
3300 };
3301
3302 rtl_writephy_batch(tp, phy_reg_init, ARRAY_SIZE(phy_reg_init));
3303 rtl_patchphy(tp, 0x0d, 1 << 5);
3304 }
3305
rtl8168e_1_hw_phy_config(struct rtl8169_private * tp)3306 static void rtl8168e_1_hw_phy_config(struct rtl8169_private *tp)
3307 {
3308 static const struct phy_reg phy_reg_init[] = {
3309 /* Enable Delay cap */
3310 { 0x1f, 0x0005 },
3311 { 0x05, 0x8b80 },
3312 { 0x06, 0xc896 },
3313 { 0x1f, 0x0000 },
3314
3315 /* Channel estimation fine tune */
3316 { 0x1f, 0x0001 },
3317 { 0x0b, 0x6c20 },
3318 { 0x07, 0x2872 },
3319 { 0x1c, 0xefff },
3320 { 0x1f, 0x0003 },
3321 { 0x14, 0x6420 },
3322 { 0x1f, 0x0000 },
3323
3324 /* Update PFM & 10M TX idle timer */
3325 { 0x1f, 0x0007 },
3326 { 0x1e, 0x002f },
3327 { 0x15, 0x1919 },
3328 { 0x1f, 0x0000 },
3329
3330 { 0x1f, 0x0007 },
3331 { 0x1e, 0x00ac },
3332 { 0x18, 0x0006 },
3333 { 0x1f, 0x0000 }
3334 };
3335
3336 rtl_apply_firmware(tp);
3337
3338 rtl_writephy_batch(tp, phy_reg_init, ARRAY_SIZE(phy_reg_init));
3339
3340 /* DCO enable for 10M IDLE Power */
3341 rtl_writephy(tp, 0x1f, 0x0007);
3342 rtl_writephy(tp, 0x1e, 0x0023);
3343 rtl_w0w1_phy(tp, 0x17, 0x0006, 0x0000);
3344 rtl_writephy(tp, 0x1f, 0x0000);
3345
3346 /* For impedance matching */
3347 rtl_writephy(tp, 0x1f, 0x0002);
3348 rtl_w0w1_phy(tp, 0x08, 0x8000, 0x7f00);
3349 rtl_writephy(tp, 0x1f, 0x0000);
3350
3351 /* PHY auto speed down */
3352 rtl_writephy(tp, 0x1f, 0x0007);
3353 rtl_writephy(tp, 0x1e, 0x002d);
3354 rtl_w0w1_phy(tp, 0x18, 0x0050, 0x0000);
3355 rtl_writephy(tp, 0x1f, 0x0000);
3356 rtl_w0w1_phy(tp, 0x14, 0x8000, 0x0000);
3357
3358 rtl_writephy(tp, 0x1f, 0x0005);
3359 rtl_writephy(tp, 0x05, 0x8b86);
3360 rtl_w0w1_phy(tp, 0x06, 0x0001, 0x0000);
3361 rtl_writephy(tp, 0x1f, 0x0000);
3362
3363 rtl_writephy(tp, 0x1f, 0x0005);
3364 rtl_writephy(tp, 0x05, 0x8b85);
3365 rtl_w0w1_phy(tp, 0x06, 0x0000, 0x2000);
3366 rtl_writephy(tp, 0x1f, 0x0007);
3367 rtl_writephy(tp, 0x1e, 0x0020);
3368 rtl_w0w1_phy(tp, 0x15, 0x0000, 0x1100);
3369 rtl_writephy(tp, 0x1f, 0x0006);
3370 rtl_writephy(tp, 0x00, 0x5a00);
3371 rtl_writephy(tp, 0x1f, 0x0000);
3372 rtl_writephy(tp, 0x0d, 0x0007);
3373 rtl_writephy(tp, 0x0e, 0x003c);
3374 rtl_writephy(tp, 0x0d, 0x4007);
3375 rtl_writephy(tp, 0x0e, 0x0000);
3376 rtl_writephy(tp, 0x0d, 0x0000);
3377 }
3378
rtl_rar_exgmac_set(struct rtl8169_private * tp,u8 * addr)3379 static void rtl_rar_exgmac_set(struct rtl8169_private *tp, u8 *addr)
3380 {
3381 const u16 w[] = {
3382 addr[0] | (addr[1] << 8),
3383 addr[2] | (addr[3] << 8),
3384 addr[4] | (addr[5] << 8)
3385 };
3386 const struct exgmac_reg e[] = {
3387 { .addr = 0xe0, ERIAR_MASK_1111, .val = w[0] | (w[1] << 16) },
3388 { .addr = 0xe4, ERIAR_MASK_1111, .val = w[2] },
3389 { .addr = 0xf0, ERIAR_MASK_1111, .val = w[0] << 16 },
3390 { .addr = 0xf4, ERIAR_MASK_1111, .val = w[1] | (w[2] << 16) }
3391 };
3392
3393 rtl_write_exgmac_batch(tp, e, ARRAY_SIZE(e));
3394 }
3395
rtl8168e_2_hw_phy_config(struct rtl8169_private * tp)3396 static void rtl8168e_2_hw_phy_config(struct rtl8169_private *tp)
3397 {
3398 static const struct phy_reg phy_reg_init[] = {
3399 /* Enable Delay cap */
3400 { 0x1f, 0x0004 },
3401 { 0x1f, 0x0007 },
3402 { 0x1e, 0x00ac },
3403 { 0x18, 0x0006 },
3404 { 0x1f, 0x0002 },
3405 { 0x1f, 0x0000 },
3406 { 0x1f, 0x0000 },
3407
3408 /* Channel estimation fine tune */
3409 { 0x1f, 0x0003 },
3410 { 0x09, 0xa20f },
3411 { 0x1f, 0x0000 },
3412 { 0x1f, 0x0000 },
3413
3414 /* Green Setting */
3415 { 0x1f, 0x0005 },
3416 { 0x05, 0x8b5b },
3417 { 0x06, 0x9222 },
3418 { 0x05, 0x8b6d },
3419 { 0x06, 0x8000 },
3420 { 0x05, 0x8b76 },
3421 { 0x06, 0x8000 },
3422 { 0x1f, 0x0000 }
3423 };
3424
3425 rtl_apply_firmware(tp);
3426
3427 rtl_writephy_batch(tp, phy_reg_init, ARRAY_SIZE(phy_reg_init));
3428
3429 /* For 4-corner performance improve */
3430 rtl_writephy(tp, 0x1f, 0x0005);
3431 rtl_writephy(tp, 0x05, 0x8b80);
3432 rtl_w0w1_phy(tp, 0x17, 0x0006, 0x0000);
3433 rtl_writephy(tp, 0x1f, 0x0000);
3434
3435 /* PHY auto speed down */
3436 rtl_writephy(tp, 0x1f, 0x0004);
3437 rtl_writephy(tp, 0x1f, 0x0007);
3438 rtl_writephy(tp, 0x1e, 0x002d);
3439 rtl_w0w1_phy(tp, 0x18, 0x0010, 0x0000);
3440 rtl_writephy(tp, 0x1f, 0x0002);
3441 rtl_writephy(tp, 0x1f, 0x0000);
3442 rtl_w0w1_phy(tp, 0x14, 0x8000, 0x0000);
3443
3444 /* improve 10M EEE waveform */
3445 rtl_writephy(tp, 0x1f, 0x0005);
3446 rtl_writephy(tp, 0x05, 0x8b86);
3447 rtl_w0w1_phy(tp, 0x06, 0x0001, 0x0000);
3448 rtl_writephy(tp, 0x1f, 0x0000);
3449
3450 /* Improve 2-pair detection performance */
3451 rtl_writephy(tp, 0x1f, 0x0005);
3452 rtl_writephy(tp, 0x05, 0x8b85);
3453 rtl_w0w1_phy(tp, 0x06, 0x4000, 0x0000);
3454 rtl_writephy(tp, 0x1f, 0x0000);
3455
3456 /* EEE setting */
3457 rtl_w0w1_eri(tp, 0x1b0, ERIAR_MASK_1111, 0x0000, 0x0003, ERIAR_EXGMAC);
3458 rtl_writephy(tp, 0x1f, 0x0005);
3459 rtl_writephy(tp, 0x05, 0x8b85);
3460 rtl_w0w1_phy(tp, 0x06, 0x0000, 0x2000);
3461 rtl_writephy(tp, 0x1f, 0x0004);
3462 rtl_writephy(tp, 0x1f, 0x0007);
3463 rtl_writephy(tp, 0x1e, 0x0020);
3464 rtl_w0w1_phy(tp, 0x15, 0x0000, 0x0100);
3465 rtl_writephy(tp, 0x1f, 0x0002);
3466 rtl_writephy(tp, 0x1f, 0x0000);
3467 rtl_writephy(tp, 0x0d, 0x0007);
3468 rtl_writephy(tp, 0x0e, 0x003c);
3469 rtl_writephy(tp, 0x0d, 0x4007);
3470 rtl_writephy(tp, 0x0e, 0x0000);
3471 rtl_writephy(tp, 0x0d, 0x0000);
3472
3473 /* Green feature */
3474 rtl_writephy(tp, 0x1f, 0x0003);
3475 rtl_w0w1_phy(tp, 0x19, 0x0000, 0x0001);
3476 rtl_w0w1_phy(tp, 0x10, 0x0000, 0x0400);
3477 rtl_writephy(tp, 0x1f, 0x0000);
3478
3479 /* Broken BIOS workaround: feed GigaMAC registers with MAC address. */
3480 rtl_rar_exgmac_set(tp, tp->dev->dev_addr);
3481 }
3482
rtl8168f_hw_phy_config(struct rtl8169_private * tp)3483 static void rtl8168f_hw_phy_config(struct rtl8169_private *tp)
3484 {
3485 /* For 4-corner performance improve */
3486 rtl_writephy(tp, 0x1f, 0x0005);
3487 rtl_writephy(tp, 0x05, 0x8b80);
3488 rtl_w0w1_phy(tp, 0x06, 0x0006, 0x0000);
3489 rtl_writephy(tp, 0x1f, 0x0000);
3490
3491 /* PHY auto speed down */
3492 rtl_writephy(tp, 0x1f, 0x0007);
3493 rtl_writephy(tp, 0x1e, 0x002d);
3494 rtl_w0w1_phy(tp, 0x18, 0x0010, 0x0000);
3495 rtl_writephy(tp, 0x1f, 0x0000);
3496 rtl_w0w1_phy(tp, 0x14, 0x8000, 0x0000);
3497
3498 /* Improve 10M EEE waveform */
3499 rtl_writephy(tp, 0x1f, 0x0005);
3500 rtl_writephy(tp, 0x05, 0x8b86);
3501 rtl_w0w1_phy(tp, 0x06, 0x0001, 0x0000);
3502 rtl_writephy(tp, 0x1f, 0x0000);
3503 }
3504
rtl8168f_1_hw_phy_config(struct rtl8169_private * tp)3505 static void rtl8168f_1_hw_phy_config(struct rtl8169_private *tp)
3506 {
3507 static const struct phy_reg phy_reg_init[] = {
3508 /* Channel estimation fine tune */
3509 { 0x1f, 0x0003 },
3510 { 0x09, 0xa20f },
3511 { 0x1f, 0x0000 },
3512
3513 /* Modify green table for giga & fnet */
3514 { 0x1f, 0x0005 },
3515 { 0x05, 0x8b55 },
3516 { 0x06, 0x0000 },
3517 { 0x05, 0x8b5e },
3518 { 0x06, 0x0000 },
3519 { 0x05, 0x8b67 },
3520 { 0x06, 0x0000 },
3521 { 0x05, 0x8b70 },
3522 { 0x06, 0x0000 },
3523 { 0x1f, 0x0000 },
3524 { 0x1f, 0x0007 },
3525 { 0x1e, 0x0078 },
3526 { 0x17, 0x0000 },
3527 { 0x19, 0x00fb },
3528 { 0x1f, 0x0000 },
3529
3530 /* Modify green table for 10M */
3531 { 0x1f, 0x0005 },
3532 { 0x05, 0x8b79 },
3533 { 0x06, 0xaa00 },
3534 { 0x1f, 0x0000 },
3535
3536 /* Disable hiimpedance detection (RTCT) */
3537 { 0x1f, 0x0003 },
3538 { 0x01, 0x328a },
3539 { 0x1f, 0x0000 }
3540 };
3541
3542 rtl_apply_firmware(tp);
3543
3544 rtl_writephy_batch(tp, phy_reg_init, ARRAY_SIZE(phy_reg_init));
3545
3546 rtl8168f_hw_phy_config(tp);
3547
3548 /* Improve 2-pair detection performance */
3549 rtl_writephy(tp, 0x1f, 0x0005);
3550 rtl_writephy(tp, 0x05, 0x8b85);
3551 rtl_w0w1_phy(tp, 0x06, 0x4000, 0x0000);
3552 rtl_writephy(tp, 0x1f, 0x0000);
3553 }
3554
rtl8168f_2_hw_phy_config(struct rtl8169_private * tp)3555 static void rtl8168f_2_hw_phy_config(struct rtl8169_private *tp)
3556 {
3557 rtl_apply_firmware(tp);
3558
3559 rtl8168f_hw_phy_config(tp);
3560 }
3561
rtl8411_hw_phy_config(struct rtl8169_private * tp)3562 static void rtl8411_hw_phy_config(struct rtl8169_private *tp)
3563 {
3564 static const struct phy_reg phy_reg_init[] = {
3565 /* Channel estimation fine tune */
3566 { 0x1f, 0x0003 },
3567 { 0x09, 0xa20f },
3568 { 0x1f, 0x0000 },
3569
3570 /* Modify green table for giga & fnet */
3571 { 0x1f, 0x0005 },
3572 { 0x05, 0x8b55 },
3573 { 0x06, 0x0000 },
3574 { 0x05, 0x8b5e },
3575 { 0x06, 0x0000 },
3576 { 0x05, 0x8b67 },
3577 { 0x06, 0x0000 },
3578 { 0x05, 0x8b70 },
3579 { 0x06, 0x0000 },
3580 { 0x1f, 0x0000 },
3581 { 0x1f, 0x0007 },
3582 { 0x1e, 0x0078 },
3583 { 0x17, 0x0000 },
3584 { 0x19, 0x00aa },
3585 { 0x1f, 0x0000 },
3586
3587 /* Modify green table for 10M */
3588 { 0x1f, 0x0005 },
3589 { 0x05, 0x8b79 },
3590 { 0x06, 0xaa00 },
3591 { 0x1f, 0x0000 },
3592
3593 /* Disable hiimpedance detection (RTCT) */
3594 { 0x1f, 0x0003 },
3595 { 0x01, 0x328a },
3596 { 0x1f, 0x0000 }
3597 };
3598
3599
3600 rtl_apply_firmware(tp);
3601
3602 rtl8168f_hw_phy_config(tp);
3603
3604 /* Improve 2-pair detection performance */
3605 rtl_writephy(tp, 0x1f, 0x0005);
3606 rtl_writephy(tp, 0x05, 0x8b85);
3607 rtl_w0w1_phy(tp, 0x06, 0x4000, 0x0000);
3608 rtl_writephy(tp, 0x1f, 0x0000);
3609
3610 rtl_writephy_batch(tp, phy_reg_init, ARRAY_SIZE(phy_reg_init));
3611
3612 /* Modify green table for giga */
3613 rtl_writephy(tp, 0x1f, 0x0005);
3614 rtl_writephy(tp, 0x05, 0x8b54);
3615 rtl_w0w1_phy(tp, 0x06, 0x0000, 0x0800);
3616 rtl_writephy(tp, 0x05, 0x8b5d);
3617 rtl_w0w1_phy(tp, 0x06, 0x0000, 0x0800);
3618 rtl_writephy(tp, 0x05, 0x8a7c);
3619 rtl_w0w1_phy(tp, 0x06, 0x0000, 0x0100);
3620 rtl_writephy(tp, 0x05, 0x8a7f);
3621 rtl_w0w1_phy(tp, 0x06, 0x0100, 0x0000);
3622 rtl_writephy(tp, 0x05, 0x8a82);
3623 rtl_w0w1_phy(tp, 0x06, 0x0000, 0x0100);
3624 rtl_writephy(tp, 0x05, 0x8a85);
3625 rtl_w0w1_phy(tp, 0x06, 0x0000, 0x0100);
3626 rtl_writephy(tp, 0x05, 0x8a88);
3627 rtl_w0w1_phy(tp, 0x06, 0x0000, 0x0100);
3628 rtl_writephy(tp, 0x1f, 0x0000);
3629
3630 /* uc same-seed solution */
3631 rtl_writephy(tp, 0x1f, 0x0005);
3632 rtl_writephy(tp, 0x05, 0x8b85);
3633 rtl_w0w1_phy(tp, 0x06, 0x8000, 0x0000);
3634 rtl_writephy(tp, 0x1f, 0x0000);
3635
3636 /* eee setting */
3637 rtl_w0w1_eri(tp, 0x1b0, ERIAR_MASK_0001, 0x00, 0x03, ERIAR_EXGMAC);
3638 rtl_writephy(tp, 0x1f, 0x0005);
3639 rtl_writephy(tp, 0x05, 0x8b85);
3640 rtl_w0w1_phy(tp, 0x06, 0x0000, 0x2000);
3641 rtl_writephy(tp, 0x1f, 0x0004);
3642 rtl_writephy(tp, 0x1f, 0x0007);
3643 rtl_writephy(tp, 0x1e, 0x0020);
3644 rtl_w0w1_phy(tp, 0x15, 0x0000, 0x0100);
3645 rtl_writephy(tp, 0x1f, 0x0000);
3646 rtl_writephy(tp, 0x0d, 0x0007);
3647 rtl_writephy(tp, 0x0e, 0x003c);
3648 rtl_writephy(tp, 0x0d, 0x4007);
3649 rtl_writephy(tp, 0x0e, 0x0000);
3650 rtl_writephy(tp, 0x0d, 0x0000);
3651
3652 /* Green feature */
3653 rtl_writephy(tp, 0x1f, 0x0003);
3654 rtl_w0w1_phy(tp, 0x19, 0x0000, 0x0001);
3655 rtl_w0w1_phy(tp, 0x10, 0x0000, 0x0400);
3656 rtl_writephy(tp, 0x1f, 0x0000);
3657 }
3658
rtl8168g_1_hw_phy_config(struct rtl8169_private * tp)3659 static void rtl8168g_1_hw_phy_config(struct rtl8169_private *tp)
3660 {
3661 rtl_apply_firmware(tp);
3662
3663 rtl_writephy(tp, 0x1f, 0x0a46);
3664 if (rtl_readphy(tp, 0x10) & 0x0100) {
3665 rtl_writephy(tp, 0x1f, 0x0bcc);
3666 rtl_w0w1_phy(tp, 0x12, 0x0000, 0x8000);
3667 } else {
3668 rtl_writephy(tp, 0x1f, 0x0bcc);
3669 rtl_w0w1_phy(tp, 0x12, 0x8000, 0x0000);
3670 }
3671
3672 rtl_writephy(tp, 0x1f, 0x0a46);
3673 if (rtl_readphy(tp, 0x13) & 0x0100) {
3674 rtl_writephy(tp, 0x1f, 0x0c41);
3675 rtl_w0w1_phy(tp, 0x15, 0x0002, 0x0000);
3676 } else {
3677 rtl_writephy(tp, 0x1f, 0x0c41);
3678 rtl_w0w1_phy(tp, 0x15, 0x0000, 0x0002);
3679 }
3680
3681 /* Enable PHY auto speed down */
3682 rtl_writephy(tp, 0x1f, 0x0a44);
3683 rtl_w0w1_phy(tp, 0x11, 0x000c, 0x0000);
3684
3685 rtl_writephy(tp, 0x1f, 0x0bcc);
3686 rtl_w0w1_phy(tp, 0x14, 0x0100, 0x0000);
3687 rtl_writephy(tp, 0x1f, 0x0a44);
3688 rtl_w0w1_phy(tp, 0x11, 0x00c0, 0x0000);
3689 rtl_writephy(tp, 0x1f, 0x0a43);
3690 rtl_writephy(tp, 0x13, 0x8084);
3691 rtl_w0w1_phy(tp, 0x14, 0x0000, 0x6000);
3692 rtl_w0w1_phy(tp, 0x10, 0x1003, 0x0000);
3693
3694 /* EEE auto-fallback function */
3695 rtl_writephy(tp, 0x1f, 0x0a4b);
3696 rtl_w0w1_phy(tp, 0x11, 0x0004, 0x0000);
3697
3698 /* Enable UC LPF tune function */
3699 rtl_writephy(tp, 0x1f, 0x0a43);
3700 rtl_writephy(tp, 0x13, 0x8012);
3701 rtl_w0w1_phy(tp, 0x14, 0x8000, 0x0000);
3702
3703 rtl_writephy(tp, 0x1f, 0x0c42);
3704 rtl_w0w1_phy(tp, 0x11, 0x4000, 0x2000);
3705
3706 /* Improve SWR Efficiency */
3707 rtl_writephy(tp, 0x1f, 0x0bcd);
3708 rtl_writephy(tp, 0x14, 0x5065);
3709 rtl_writephy(tp, 0x14, 0xd065);
3710 rtl_writephy(tp, 0x1f, 0x0bc8);
3711 rtl_writephy(tp, 0x11, 0x5655);
3712 rtl_writephy(tp, 0x1f, 0x0bcd);
3713 rtl_writephy(tp, 0x14, 0x1065);
3714 rtl_writephy(tp, 0x14, 0x9065);
3715 rtl_writephy(tp, 0x14, 0x1065);
3716
3717 /* Check ALDPS bit, disable it if enabled */
3718 rtl_writephy(tp, 0x1f, 0x0a43);
3719 if (rtl_readphy(tp, 0x10) & 0x0004)
3720 rtl_w0w1_phy(tp, 0x10, 0x0000, 0x0004);
3721
3722 rtl_writephy(tp, 0x1f, 0x0000);
3723 }
3724
rtl8168g_2_hw_phy_config(struct rtl8169_private * tp)3725 static void rtl8168g_2_hw_phy_config(struct rtl8169_private *tp)
3726 {
3727 rtl_apply_firmware(tp);
3728 }
3729
rtl8168h_1_hw_phy_config(struct rtl8169_private * tp)3730 static void rtl8168h_1_hw_phy_config(struct rtl8169_private *tp)
3731 {
3732 u16 dout_tapbin;
3733 u32 data;
3734
3735 rtl_apply_firmware(tp);
3736
3737 /* CHN EST parameters adjust - giga master */
3738 rtl_writephy(tp, 0x1f, 0x0a43);
3739 rtl_writephy(tp, 0x13, 0x809b);
3740 rtl_w0w1_phy(tp, 0x14, 0x8000, 0xf800);
3741 rtl_writephy(tp, 0x13, 0x80a2);
3742 rtl_w0w1_phy(tp, 0x14, 0x8000, 0xff00);
3743 rtl_writephy(tp, 0x13, 0x80a4);
3744 rtl_w0w1_phy(tp, 0x14, 0x8500, 0xff00);
3745 rtl_writephy(tp, 0x13, 0x809c);
3746 rtl_w0w1_phy(tp, 0x14, 0xbd00, 0xff00);
3747 rtl_writephy(tp, 0x1f, 0x0000);
3748
3749 /* CHN EST parameters adjust - giga slave */
3750 rtl_writephy(tp, 0x1f, 0x0a43);
3751 rtl_writephy(tp, 0x13, 0x80ad);
3752 rtl_w0w1_phy(tp, 0x14, 0x7000, 0xf800);
3753 rtl_writephy(tp, 0x13, 0x80b4);
3754 rtl_w0w1_phy(tp, 0x14, 0x5000, 0xff00);
3755 rtl_writephy(tp, 0x13, 0x80ac);
3756 rtl_w0w1_phy(tp, 0x14, 0x4000, 0xff00);
3757 rtl_writephy(tp, 0x1f, 0x0000);
3758
3759 /* CHN EST parameters adjust - fnet */
3760 rtl_writephy(tp, 0x1f, 0x0a43);
3761 rtl_writephy(tp, 0x13, 0x808e);
3762 rtl_w0w1_phy(tp, 0x14, 0x1200, 0xff00);
3763 rtl_writephy(tp, 0x13, 0x8090);
3764 rtl_w0w1_phy(tp, 0x14, 0xe500, 0xff00);
3765 rtl_writephy(tp, 0x13, 0x8092);
3766 rtl_w0w1_phy(tp, 0x14, 0x9f00, 0xff00);
3767 rtl_writephy(tp, 0x1f, 0x0000);
3768
3769 /* enable R-tune & PGA-retune function */
3770 dout_tapbin = 0;
3771 rtl_writephy(tp, 0x1f, 0x0a46);
3772 data = rtl_readphy(tp, 0x13);
3773 data &= 3;
3774 data <<= 2;
3775 dout_tapbin |= data;
3776 data = rtl_readphy(tp, 0x12);
3777 data &= 0xc000;
3778 data >>= 14;
3779 dout_tapbin |= data;
3780 dout_tapbin = ~(dout_tapbin^0x08);
3781 dout_tapbin <<= 12;
3782 dout_tapbin &= 0xf000;
3783 rtl_writephy(tp, 0x1f, 0x0a43);
3784 rtl_writephy(tp, 0x13, 0x827a);
3785 rtl_w0w1_phy(tp, 0x14, dout_tapbin, 0xf000);
3786 rtl_writephy(tp, 0x13, 0x827b);
3787 rtl_w0w1_phy(tp, 0x14, dout_tapbin, 0xf000);
3788 rtl_writephy(tp, 0x13, 0x827c);
3789 rtl_w0w1_phy(tp, 0x14, dout_tapbin, 0xf000);
3790 rtl_writephy(tp, 0x13, 0x827d);
3791 rtl_w0w1_phy(tp, 0x14, dout_tapbin, 0xf000);
3792
3793 rtl_writephy(tp, 0x1f, 0x0a43);
3794 rtl_writephy(tp, 0x13, 0x0811);
3795 rtl_w0w1_phy(tp, 0x14, 0x0800, 0x0000);
3796 rtl_writephy(tp, 0x1f, 0x0a42);
3797 rtl_w0w1_phy(tp, 0x16, 0x0002, 0x0000);
3798 rtl_writephy(tp, 0x1f, 0x0000);
3799
3800 /* enable GPHY 10M */
3801 rtl_writephy(tp, 0x1f, 0x0a44);
3802 rtl_w0w1_phy(tp, 0x11, 0x0800, 0x0000);
3803 rtl_writephy(tp, 0x1f, 0x0000);
3804
3805 /* SAR ADC performance */
3806 rtl_writephy(tp, 0x1f, 0x0bca);
3807 rtl_w0w1_phy(tp, 0x17, 0x4000, 0x3000);
3808 rtl_writephy(tp, 0x1f, 0x0000);
3809
3810 rtl_writephy(tp, 0x1f, 0x0a43);
3811 rtl_writephy(tp, 0x13, 0x803f);
3812 rtl_w0w1_phy(tp, 0x14, 0x0000, 0x3000);
3813 rtl_writephy(tp, 0x13, 0x8047);
3814 rtl_w0w1_phy(tp, 0x14, 0x0000, 0x3000);
3815 rtl_writephy(tp, 0x13, 0x804f);
3816 rtl_w0w1_phy(tp, 0x14, 0x0000, 0x3000);
3817 rtl_writephy(tp, 0x13, 0x8057);
3818 rtl_w0w1_phy(tp, 0x14, 0x0000, 0x3000);
3819 rtl_writephy(tp, 0x13, 0x805f);
3820 rtl_w0w1_phy(tp, 0x14, 0x0000, 0x3000);
3821 rtl_writephy(tp, 0x13, 0x8067);
3822 rtl_w0w1_phy(tp, 0x14, 0x0000, 0x3000);
3823 rtl_writephy(tp, 0x13, 0x806f);
3824 rtl_w0w1_phy(tp, 0x14, 0x0000, 0x3000);
3825 rtl_writephy(tp, 0x1f, 0x0000);
3826
3827 /* disable phy pfm mode */
3828 rtl_writephy(tp, 0x1f, 0x0a44);
3829 rtl_w0w1_phy(tp, 0x14, 0x0000, 0x0080);
3830 rtl_writephy(tp, 0x1f, 0x0000);
3831
3832 /* Check ALDPS bit, disable it if enabled */
3833 rtl_writephy(tp, 0x1f, 0x0a43);
3834 if (rtl_readphy(tp, 0x10) & 0x0004)
3835 rtl_w0w1_phy(tp, 0x10, 0x0000, 0x0004);
3836
3837 rtl_writephy(tp, 0x1f, 0x0000);
3838 }
3839
rtl8168h_2_hw_phy_config(struct rtl8169_private * tp)3840 static void rtl8168h_2_hw_phy_config(struct rtl8169_private *tp)
3841 {
3842 u16 ioffset_p3, ioffset_p2, ioffset_p1, ioffset_p0;
3843 u16 rlen;
3844 u32 data;
3845
3846 rtl_apply_firmware(tp);
3847
3848 /* CHIN EST parameter update */
3849 rtl_writephy(tp, 0x1f, 0x0a43);
3850 rtl_writephy(tp, 0x13, 0x808a);
3851 rtl_w0w1_phy(tp, 0x14, 0x000a, 0x003f);
3852 rtl_writephy(tp, 0x1f, 0x0000);
3853
3854 /* enable R-tune & PGA-retune function */
3855 rtl_writephy(tp, 0x1f, 0x0a43);
3856 rtl_writephy(tp, 0x13, 0x0811);
3857 rtl_w0w1_phy(tp, 0x14, 0x0800, 0x0000);
3858 rtl_writephy(tp, 0x1f, 0x0a42);
3859 rtl_w0w1_phy(tp, 0x16, 0x0002, 0x0000);
3860 rtl_writephy(tp, 0x1f, 0x0000);
3861
3862 /* enable GPHY 10M */
3863 rtl_writephy(tp, 0x1f, 0x0a44);
3864 rtl_w0w1_phy(tp, 0x11, 0x0800, 0x0000);
3865 rtl_writephy(tp, 0x1f, 0x0000);
3866
3867 r8168_mac_ocp_write(tp, 0xdd02, 0x807d);
3868 data = r8168_mac_ocp_read(tp, 0xdd02);
3869 ioffset_p3 = ((data & 0x80)>>7);
3870 ioffset_p3 <<= 3;
3871
3872 data = r8168_mac_ocp_read(tp, 0xdd00);
3873 ioffset_p3 |= ((data & (0xe000))>>13);
3874 ioffset_p2 = ((data & (0x1e00))>>9);
3875 ioffset_p1 = ((data & (0x01e0))>>5);
3876 ioffset_p0 = ((data & 0x0010)>>4);
3877 ioffset_p0 <<= 3;
3878 ioffset_p0 |= (data & (0x07));
3879 data = (ioffset_p3<<12)|(ioffset_p2<<8)|(ioffset_p1<<4)|(ioffset_p0);
3880
3881 if ((ioffset_p3 != 0x0f) || (ioffset_p2 != 0x0f) ||
3882 (ioffset_p1 != 0x0f) || (ioffset_p0 == 0x0f)) {
3883 rtl_writephy(tp, 0x1f, 0x0bcf);
3884 rtl_writephy(tp, 0x16, data);
3885 rtl_writephy(tp, 0x1f, 0x0000);
3886 }
3887
3888 /* Modify rlen (TX LPF corner frequency) level */
3889 rtl_writephy(tp, 0x1f, 0x0bcd);
3890 data = rtl_readphy(tp, 0x16);
3891 data &= 0x000f;
3892 rlen = 0;
3893 if (data > 3)
3894 rlen = data - 3;
3895 data = rlen | (rlen<<4) | (rlen<<8) | (rlen<<12);
3896 rtl_writephy(tp, 0x17, data);
3897 rtl_writephy(tp, 0x1f, 0x0bcd);
3898 rtl_writephy(tp, 0x1f, 0x0000);
3899
3900 /* disable phy pfm mode */
3901 rtl_writephy(tp, 0x1f, 0x0a44);
3902 rtl_w0w1_phy(tp, 0x14, 0x0000, 0x0080);
3903 rtl_writephy(tp, 0x1f, 0x0000);
3904
3905 /* Check ALDPS bit, disable it if enabled */
3906 rtl_writephy(tp, 0x1f, 0x0a43);
3907 if (rtl_readphy(tp, 0x10) & 0x0004)
3908 rtl_w0w1_phy(tp, 0x10, 0x0000, 0x0004);
3909
3910 rtl_writephy(tp, 0x1f, 0x0000);
3911 }
3912
rtl8168ep_1_hw_phy_config(struct rtl8169_private * tp)3913 static void rtl8168ep_1_hw_phy_config(struct rtl8169_private *tp)
3914 {
3915 /* Enable PHY auto speed down */
3916 rtl_writephy(tp, 0x1f, 0x0a44);
3917 rtl_w0w1_phy(tp, 0x11, 0x000c, 0x0000);
3918 rtl_writephy(tp, 0x1f, 0x0000);
3919
3920 /* patch 10M & ALDPS */
3921 rtl_writephy(tp, 0x1f, 0x0bcc);
3922 rtl_w0w1_phy(tp, 0x14, 0x0000, 0x0100);
3923 rtl_writephy(tp, 0x1f, 0x0a44);
3924 rtl_w0w1_phy(tp, 0x11, 0x00c0, 0x0000);
3925 rtl_writephy(tp, 0x1f, 0x0a43);
3926 rtl_writephy(tp, 0x13, 0x8084);
3927 rtl_w0w1_phy(tp, 0x14, 0x0000, 0x6000);
3928 rtl_w0w1_phy(tp, 0x10, 0x1003, 0x0000);
3929 rtl_writephy(tp, 0x1f, 0x0000);
3930
3931 /* Enable EEE auto-fallback function */
3932 rtl_writephy(tp, 0x1f, 0x0a4b);
3933 rtl_w0w1_phy(tp, 0x11, 0x0004, 0x0000);
3934 rtl_writephy(tp, 0x1f, 0x0000);
3935
3936 /* Enable UC LPF tune function */
3937 rtl_writephy(tp, 0x1f, 0x0a43);
3938 rtl_writephy(tp, 0x13, 0x8012);
3939 rtl_w0w1_phy(tp, 0x14, 0x8000, 0x0000);
3940 rtl_writephy(tp, 0x1f, 0x0000);
3941
3942 /* set rg_sel_sdm_rate */
3943 rtl_writephy(tp, 0x1f, 0x0c42);
3944 rtl_w0w1_phy(tp, 0x11, 0x4000, 0x2000);
3945 rtl_writephy(tp, 0x1f, 0x0000);
3946
3947 /* Check ALDPS bit, disable it if enabled */
3948 rtl_writephy(tp, 0x1f, 0x0a43);
3949 if (rtl_readphy(tp, 0x10) & 0x0004)
3950 rtl_w0w1_phy(tp, 0x10, 0x0000, 0x0004);
3951
3952 rtl_writephy(tp, 0x1f, 0x0000);
3953 }
3954
rtl8168ep_2_hw_phy_config(struct rtl8169_private * tp)3955 static void rtl8168ep_2_hw_phy_config(struct rtl8169_private *tp)
3956 {
3957 /* patch 10M & ALDPS */
3958 rtl_writephy(tp, 0x1f, 0x0bcc);
3959 rtl_w0w1_phy(tp, 0x14, 0x0000, 0x0100);
3960 rtl_writephy(tp, 0x1f, 0x0a44);
3961 rtl_w0w1_phy(tp, 0x11, 0x00c0, 0x0000);
3962 rtl_writephy(tp, 0x1f, 0x0a43);
3963 rtl_writephy(tp, 0x13, 0x8084);
3964 rtl_w0w1_phy(tp, 0x14, 0x0000, 0x6000);
3965 rtl_w0w1_phy(tp, 0x10, 0x1003, 0x0000);
3966 rtl_writephy(tp, 0x1f, 0x0000);
3967
3968 /* Enable UC LPF tune function */
3969 rtl_writephy(tp, 0x1f, 0x0a43);
3970 rtl_writephy(tp, 0x13, 0x8012);
3971 rtl_w0w1_phy(tp, 0x14, 0x8000, 0x0000);
3972 rtl_writephy(tp, 0x1f, 0x0000);
3973
3974 /* Set rg_sel_sdm_rate */
3975 rtl_writephy(tp, 0x1f, 0x0c42);
3976 rtl_w0w1_phy(tp, 0x11, 0x4000, 0x2000);
3977 rtl_writephy(tp, 0x1f, 0x0000);
3978
3979 /* Channel estimation parameters */
3980 rtl_writephy(tp, 0x1f, 0x0a43);
3981 rtl_writephy(tp, 0x13, 0x80f3);
3982 rtl_w0w1_phy(tp, 0x14, 0x8b00, ~0x8bff);
3983 rtl_writephy(tp, 0x13, 0x80f0);
3984 rtl_w0w1_phy(tp, 0x14, 0x3a00, ~0x3aff);
3985 rtl_writephy(tp, 0x13, 0x80ef);
3986 rtl_w0w1_phy(tp, 0x14, 0x0500, ~0x05ff);
3987 rtl_writephy(tp, 0x13, 0x80f6);
3988 rtl_w0w1_phy(tp, 0x14, 0x6e00, ~0x6eff);
3989 rtl_writephy(tp, 0x13, 0x80ec);
3990 rtl_w0w1_phy(tp, 0x14, 0x6800, ~0x68ff);
3991 rtl_writephy(tp, 0x13, 0x80ed);
3992 rtl_w0w1_phy(tp, 0x14, 0x7c00, ~0x7cff);
3993 rtl_writephy(tp, 0x13, 0x80f2);
3994 rtl_w0w1_phy(tp, 0x14, 0xf400, ~0xf4ff);
3995 rtl_writephy(tp, 0x13, 0x80f4);
3996 rtl_w0w1_phy(tp, 0x14, 0x8500, ~0x85ff);
3997 rtl_writephy(tp, 0x1f, 0x0a43);
3998 rtl_writephy(tp, 0x13, 0x8110);
3999 rtl_w0w1_phy(tp, 0x14, 0xa800, ~0xa8ff);
4000 rtl_writephy(tp, 0x13, 0x810f);
4001 rtl_w0w1_phy(tp, 0x14, 0x1d00, ~0x1dff);
4002 rtl_writephy(tp, 0x13, 0x8111);
4003 rtl_w0w1_phy(tp, 0x14, 0xf500, ~0xf5ff);
4004 rtl_writephy(tp, 0x13, 0x8113);
4005 rtl_w0w1_phy(tp, 0x14, 0x6100, ~0x61ff);
4006 rtl_writephy(tp, 0x13, 0x8115);
4007 rtl_w0w1_phy(tp, 0x14, 0x9200, ~0x92ff);
4008 rtl_writephy(tp, 0x13, 0x810e);
4009 rtl_w0w1_phy(tp, 0x14, 0x0400, ~0x04ff);
4010 rtl_writephy(tp, 0x13, 0x810c);
4011 rtl_w0w1_phy(tp, 0x14, 0x7c00, ~0x7cff);
4012 rtl_writephy(tp, 0x13, 0x810b);
4013 rtl_w0w1_phy(tp, 0x14, 0x5a00, ~0x5aff);
4014 rtl_writephy(tp, 0x1f, 0x0a43);
4015 rtl_writephy(tp, 0x13, 0x80d1);
4016 rtl_w0w1_phy(tp, 0x14, 0xff00, ~0xffff);
4017 rtl_writephy(tp, 0x13, 0x80cd);
4018 rtl_w0w1_phy(tp, 0x14, 0x9e00, ~0x9eff);
4019 rtl_writephy(tp, 0x13, 0x80d3);
4020 rtl_w0w1_phy(tp, 0x14, 0x0e00, ~0x0eff);
4021 rtl_writephy(tp, 0x13, 0x80d5);
4022 rtl_w0w1_phy(tp, 0x14, 0xca00, ~0xcaff);
4023 rtl_writephy(tp, 0x13, 0x80d7);
4024 rtl_w0w1_phy(tp, 0x14, 0x8400, ~0x84ff);
4025
4026 /* Force PWM-mode */
4027 rtl_writephy(tp, 0x1f, 0x0bcd);
4028 rtl_writephy(tp, 0x14, 0x5065);
4029 rtl_writephy(tp, 0x14, 0xd065);
4030 rtl_writephy(tp, 0x1f, 0x0bc8);
4031 rtl_writephy(tp, 0x12, 0x00ed);
4032 rtl_writephy(tp, 0x1f, 0x0bcd);
4033 rtl_writephy(tp, 0x14, 0x1065);
4034 rtl_writephy(tp, 0x14, 0x9065);
4035 rtl_writephy(tp, 0x14, 0x1065);
4036 rtl_writephy(tp, 0x1f, 0x0000);
4037
4038 /* Check ALDPS bit, disable it if enabled */
4039 rtl_writephy(tp, 0x1f, 0x0a43);
4040 if (rtl_readphy(tp, 0x10) & 0x0004)
4041 rtl_w0w1_phy(tp, 0x10, 0x0000, 0x0004);
4042
4043 rtl_writephy(tp, 0x1f, 0x0000);
4044 }
4045
rtl8102e_hw_phy_config(struct rtl8169_private * tp)4046 static void rtl8102e_hw_phy_config(struct rtl8169_private *tp)
4047 {
4048 static const struct phy_reg phy_reg_init[] = {
4049 { 0x1f, 0x0003 },
4050 { 0x08, 0x441d },
4051 { 0x01, 0x9100 },
4052 { 0x1f, 0x0000 }
4053 };
4054
4055 rtl_writephy(tp, 0x1f, 0x0000);
4056 rtl_patchphy(tp, 0x11, 1 << 12);
4057 rtl_patchphy(tp, 0x19, 1 << 13);
4058 rtl_patchphy(tp, 0x10, 1 << 15);
4059
4060 rtl_writephy_batch(tp, phy_reg_init, ARRAY_SIZE(phy_reg_init));
4061 }
4062
rtl8105e_hw_phy_config(struct rtl8169_private * tp)4063 static void rtl8105e_hw_phy_config(struct rtl8169_private *tp)
4064 {
4065 static const struct phy_reg phy_reg_init[] = {
4066 { 0x1f, 0x0005 },
4067 { 0x1a, 0x0000 },
4068 { 0x1f, 0x0000 },
4069
4070 { 0x1f, 0x0004 },
4071 { 0x1c, 0x0000 },
4072 { 0x1f, 0x0000 },
4073
4074 { 0x1f, 0x0001 },
4075 { 0x15, 0x7701 },
4076 { 0x1f, 0x0000 }
4077 };
4078
4079 /* Disable ALDPS before ram code */
4080 rtl_writephy(tp, 0x1f, 0x0000);
4081 rtl_writephy(tp, 0x18, 0x0310);
4082 msleep(100);
4083
4084 rtl_apply_firmware(tp);
4085
4086 rtl_writephy_batch(tp, phy_reg_init, ARRAY_SIZE(phy_reg_init));
4087 }
4088
rtl8402_hw_phy_config(struct rtl8169_private * tp)4089 static void rtl8402_hw_phy_config(struct rtl8169_private *tp)
4090 {
4091 /* Disable ALDPS before setting firmware */
4092 rtl_writephy(tp, 0x1f, 0x0000);
4093 rtl_writephy(tp, 0x18, 0x0310);
4094 msleep(20);
4095
4096 rtl_apply_firmware(tp);
4097
4098 /* EEE setting */
4099 rtl_eri_write(tp, 0x1b0, ERIAR_MASK_0011, 0x0000, ERIAR_EXGMAC);
4100 rtl_writephy(tp, 0x1f, 0x0004);
4101 rtl_writephy(tp, 0x10, 0x401f);
4102 rtl_writephy(tp, 0x19, 0x7030);
4103 rtl_writephy(tp, 0x1f, 0x0000);
4104 }
4105
rtl8106e_hw_phy_config(struct rtl8169_private * tp)4106 static void rtl8106e_hw_phy_config(struct rtl8169_private *tp)
4107 {
4108 static const struct phy_reg phy_reg_init[] = {
4109 { 0x1f, 0x0004 },
4110 { 0x10, 0xc07f },
4111 { 0x19, 0x7030 },
4112 { 0x1f, 0x0000 }
4113 };
4114
4115 /* Disable ALDPS before ram code */
4116 rtl_writephy(tp, 0x1f, 0x0000);
4117 rtl_writephy(tp, 0x18, 0x0310);
4118 msleep(100);
4119
4120 rtl_apply_firmware(tp);
4121
4122 rtl_eri_write(tp, 0x1b0, ERIAR_MASK_0011, 0x0000, ERIAR_EXGMAC);
4123 rtl_writephy_batch(tp, phy_reg_init, ARRAY_SIZE(phy_reg_init));
4124
4125 rtl_eri_write(tp, 0x1d0, ERIAR_MASK_0011, 0x0000, ERIAR_EXGMAC);
4126 }
4127
rtl_hw_phy_config(struct net_device * dev)4128 static void rtl_hw_phy_config(struct net_device *dev)
4129 {
4130 struct rtl8169_private *tp = netdev_priv(dev);
4131
4132 rtl8169_print_mac_version(tp);
4133
4134 switch (tp->mac_version) {
4135 case RTL_GIGA_MAC_VER_01:
4136 break;
4137 case RTL_GIGA_MAC_VER_02:
4138 case RTL_GIGA_MAC_VER_03:
4139 rtl8169s_hw_phy_config(tp);
4140 break;
4141 case RTL_GIGA_MAC_VER_04:
4142 rtl8169sb_hw_phy_config(tp);
4143 break;
4144 case RTL_GIGA_MAC_VER_05:
4145 rtl8169scd_hw_phy_config(tp);
4146 break;
4147 case RTL_GIGA_MAC_VER_06:
4148 rtl8169sce_hw_phy_config(tp);
4149 break;
4150 case RTL_GIGA_MAC_VER_07:
4151 case RTL_GIGA_MAC_VER_08:
4152 case RTL_GIGA_MAC_VER_09:
4153 rtl8102e_hw_phy_config(tp);
4154 break;
4155 case RTL_GIGA_MAC_VER_11:
4156 rtl8168bb_hw_phy_config(tp);
4157 break;
4158 case RTL_GIGA_MAC_VER_12:
4159 rtl8168bef_hw_phy_config(tp);
4160 break;
4161 case RTL_GIGA_MAC_VER_17:
4162 rtl8168bef_hw_phy_config(tp);
4163 break;
4164 case RTL_GIGA_MAC_VER_18:
4165 rtl8168cp_1_hw_phy_config(tp);
4166 break;
4167 case RTL_GIGA_MAC_VER_19:
4168 rtl8168c_1_hw_phy_config(tp);
4169 break;
4170 case RTL_GIGA_MAC_VER_20:
4171 rtl8168c_2_hw_phy_config(tp);
4172 break;
4173 case RTL_GIGA_MAC_VER_21:
4174 rtl8168c_3_hw_phy_config(tp);
4175 break;
4176 case RTL_GIGA_MAC_VER_22:
4177 rtl8168c_4_hw_phy_config(tp);
4178 break;
4179 case RTL_GIGA_MAC_VER_23:
4180 case RTL_GIGA_MAC_VER_24:
4181 rtl8168cp_2_hw_phy_config(tp);
4182 break;
4183 case RTL_GIGA_MAC_VER_25:
4184 rtl8168d_1_hw_phy_config(tp);
4185 break;
4186 case RTL_GIGA_MAC_VER_26:
4187 rtl8168d_2_hw_phy_config(tp);
4188 break;
4189 case RTL_GIGA_MAC_VER_27:
4190 rtl8168d_3_hw_phy_config(tp);
4191 break;
4192 case RTL_GIGA_MAC_VER_28:
4193 rtl8168d_4_hw_phy_config(tp);
4194 break;
4195 case RTL_GIGA_MAC_VER_29:
4196 case RTL_GIGA_MAC_VER_30:
4197 rtl8105e_hw_phy_config(tp);
4198 break;
4199 case RTL_GIGA_MAC_VER_31:
4200 /* None. */
4201 break;
4202 case RTL_GIGA_MAC_VER_32:
4203 case RTL_GIGA_MAC_VER_33:
4204 rtl8168e_1_hw_phy_config(tp);
4205 break;
4206 case RTL_GIGA_MAC_VER_34:
4207 rtl8168e_2_hw_phy_config(tp);
4208 break;
4209 case RTL_GIGA_MAC_VER_35:
4210 rtl8168f_1_hw_phy_config(tp);
4211 break;
4212 case RTL_GIGA_MAC_VER_36:
4213 rtl8168f_2_hw_phy_config(tp);
4214 break;
4215
4216 case RTL_GIGA_MAC_VER_37:
4217 rtl8402_hw_phy_config(tp);
4218 break;
4219
4220 case RTL_GIGA_MAC_VER_38:
4221 rtl8411_hw_phy_config(tp);
4222 break;
4223
4224 case RTL_GIGA_MAC_VER_39:
4225 rtl8106e_hw_phy_config(tp);
4226 break;
4227
4228 case RTL_GIGA_MAC_VER_40:
4229 rtl8168g_1_hw_phy_config(tp);
4230 break;
4231 case RTL_GIGA_MAC_VER_42:
4232 case RTL_GIGA_MAC_VER_43:
4233 case RTL_GIGA_MAC_VER_44:
4234 rtl8168g_2_hw_phy_config(tp);
4235 break;
4236 case RTL_GIGA_MAC_VER_45:
4237 case RTL_GIGA_MAC_VER_47:
4238 rtl8168h_1_hw_phy_config(tp);
4239 break;
4240 case RTL_GIGA_MAC_VER_46:
4241 case RTL_GIGA_MAC_VER_48:
4242 rtl8168h_2_hw_phy_config(tp);
4243 break;
4244
4245 case RTL_GIGA_MAC_VER_49:
4246 rtl8168ep_1_hw_phy_config(tp);
4247 break;
4248 case RTL_GIGA_MAC_VER_50:
4249 case RTL_GIGA_MAC_VER_51:
4250 rtl8168ep_2_hw_phy_config(tp);
4251 break;
4252
4253 case RTL_GIGA_MAC_VER_41:
4254 default:
4255 break;
4256 }
4257 }
4258
rtl_phy_work(struct rtl8169_private * tp)4259 static void rtl_phy_work(struct rtl8169_private *tp)
4260 {
4261 struct timer_list *timer = &tp->timer;
4262 void __iomem *ioaddr = tp->mmio_addr;
4263 unsigned long timeout = RTL8169_PHY_TIMEOUT;
4264
4265 assert(tp->mac_version > RTL_GIGA_MAC_VER_01);
4266
4267 if (tp->phy_reset_pending(tp)) {
4268 /*
4269 * A busy loop could burn quite a few cycles on nowadays CPU.
4270 * Let's delay the execution of the timer for a few ticks.
4271 */
4272 timeout = HZ/10;
4273 goto out_mod_timer;
4274 }
4275
4276 if (tp->link_ok(ioaddr))
4277 return;
4278
4279 netif_dbg(tp, link, tp->dev, "PHY reset until link up\n");
4280
4281 tp->phy_reset_enable(tp);
4282
4283 out_mod_timer:
4284 mod_timer(timer, jiffies + timeout);
4285 }
4286
rtl_schedule_task(struct rtl8169_private * tp,enum rtl_flag flag)4287 static void rtl_schedule_task(struct rtl8169_private *tp, enum rtl_flag flag)
4288 {
4289 if (!test_and_set_bit(flag, tp->wk.flags))
4290 schedule_work(&tp->wk.work);
4291 }
4292
rtl8169_phy_timer(unsigned long __opaque)4293 static void rtl8169_phy_timer(unsigned long __opaque)
4294 {
4295 struct net_device *dev = (struct net_device *)__opaque;
4296 struct rtl8169_private *tp = netdev_priv(dev);
4297
4298 rtl_schedule_task(tp, RTL_FLAG_TASK_PHY_PENDING);
4299 }
4300
rtl8169_release_board(struct pci_dev * pdev,struct net_device * dev,void __iomem * ioaddr)4301 static void rtl8169_release_board(struct pci_dev *pdev, struct net_device *dev,
4302 void __iomem *ioaddr)
4303 {
4304 iounmap(ioaddr);
4305 pci_release_regions(pdev);
4306 pci_clear_mwi(pdev);
4307 pci_disable_device(pdev);
4308 free_netdev(dev);
4309 }
4310
DECLARE_RTL_COND(rtl_phy_reset_cond)4311 DECLARE_RTL_COND(rtl_phy_reset_cond)
4312 {
4313 return tp->phy_reset_pending(tp);
4314 }
4315
rtl8169_phy_reset(struct net_device * dev,struct rtl8169_private * tp)4316 static void rtl8169_phy_reset(struct net_device *dev,
4317 struct rtl8169_private *tp)
4318 {
4319 tp->phy_reset_enable(tp);
4320 rtl_msleep_loop_wait_low(tp, &rtl_phy_reset_cond, 1, 100);
4321 }
4322
rtl_tbi_enabled(struct rtl8169_private * tp)4323 static bool rtl_tbi_enabled(struct rtl8169_private *tp)
4324 {
4325 void __iomem *ioaddr = tp->mmio_addr;
4326
4327 return (tp->mac_version == RTL_GIGA_MAC_VER_01) &&
4328 (RTL_R8(PHYstatus) & TBI_Enable);
4329 }
4330
rtl8169_init_phy(struct net_device * dev,struct rtl8169_private * tp)4331 static void rtl8169_init_phy(struct net_device *dev, struct rtl8169_private *tp)
4332 {
4333 void __iomem *ioaddr = tp->mmio_addr;
4334
4335 rtl_hw_phy_config(dev);
4336
4337 if (tp->mac_version <= RTL_GIGA_MAC_VER_06) {
4338 dprintk("Set MAC Reg C+CR Offset 0x82h = 0x01h\n");
4339 RTL_W8(0x82, 0x01);
4340 }
4341
4342 pci_write_config_byte(tp->pci_dev, PCI_LATENCY_TIMER, 0x40);
4343
4344 if (tp->mac_version <= RTL_GIGA_MAC_VER_06)
4345 pci_write_config_byte(tp->pci_dev, PCI_CACHE_LINE_SIZE, 0x08);
4346
4347 if (tp->mac_version == RTL_GIGA_MAC_VER_02) {
4348 dprintk("Set MAC Reg C+CR Offset 0x82h = 0x01h\n");
4349 RTL_W8(0x82, 0x01);
4350 dprintk("Set PHY Reg 0x0bh = 0x00h\n");
4351 rtl_writephy(tp, 0x0b, 0x0000); //w 0x0b 15 0 0
4352 }
4353
4354 rtl8169_phy_reset(dev, tp);
4355
4356 rtl8169_set_speed(dev, AUTONEG_ENABLE, SPEED_1000, DUPLEX_FULL,
4357 ADVERTISED_10baseT_Half | ADVERTISED_10baseT_Full |
4358 ADVERTISED_100baseT_Half | ADVERTISED_100baseT_Full |
4359 (tp->mii.supports_gmii ?
4360 ADVERTISED_1000baseT_Half |
4361 ADVERTISED_1000baseT_Full : 0));
4362
4363 if (rtl_tbi_enabled(tp))
4364 netif_info(tp, link, dev, "TBI auto-negotiating\n");
4365 }
4366
rtl_rar_set(struct rtl8169_private * tp,u8 * addr)4367 static void rtl_rar_set(struct rtl8169_private *tp, u8 *addr)
4368 {
4369 void __iomem *ioaddr = tp->mmio_addr;
4370
4371 rtl_lock_work(tp);
4372
4373 RTL_W8(Cfg9346, Cfg9346_Unlock);
4374
4375 RTL_W32(MAC4, addr[4] | addr[5] << 8);
4376 RTL_R32(MAC4);
4377
4378 RTL_W32(MAC0, addr[0] | addr[1] << 8 | addr[2] << 16 | addr[3] << 24);
4379 RTL_R32(MAC0);
4380
4381 if (tp->mac_version == RTL_GIGA_MAC_VER_34)
4382 rtl_rar_exgmac_set(tp, addr);
4383
4384 RTL_W8(Cfg9346, Cfg9346_Lock);
4385
4386 rtl_unlock_work(tp);
4387 }
4388
rtl_set_mac_address(struct net_device * dev,void * p)4389 static int rtl_set_mac_address(struct net_device *dev, void *p)
4390 {
4391 struct rtl8169_private *tp = netdev_priv(dev);
4392 struct sockaddr *addr = p;
4393
4394 if (!is_valid_ether_addr(addr->sa_data))
4395 return -EADDRNOTAVAIL;
4396
4397 memcpy(dev->dev_addr, addr->sa_data, dev->addr_len);
4398
4399 rtl_rar_set(tp, dev->dev_addr);
4400
4401 return 0;
4402 }
4403
rtl8169_ioctl(struct net_device * dev,struct ifreq * ifr,int cmd)4404 static int rtl8169_ioctl(struct net_device *dev, struct ifreq *ifr, int cmd)
4405 {
4406 struct rtl8169_private *tp = netdev_priv(dev);
4407 struct mii_ioctl_data *data = if_mii(ifr);
4408
4409 return netif_running(dev) ? tp->do_ioctl(tp, data, cmd) : -ENODEV;
4410 }
4411
rtl_xmii_ioctl(struct rtl8169_private * tp,struct mii_ioctl_data * data,int cmd)4412 static int rtl_xmii_ioctl(struct rtl8169_private *tp,
4413 struct mii_ioctl_data *data, int cmd)
4414 {
4415 switch (cmd) {
4416 case SIOCGMIIPHY:
4417 data->phy_id = 32; /* Internal PHY */
4418 return 0;
4419
4420 case SIOCGMIIREG:
4421 data->val_out = rtl_readphy(tp, data->reg_num & 0x1f);
4422 return 0;
4423
4424 case SIOCSMIIREG:
4425 rtl_writephy(tp, data->reg_num & 0x1f, data->val_in);
4426 return 0;
4427 }
4428 return -EOPNOTSUPP;
4429 }
4430
rtl_tbi_ioctl(struct rtl8169_private * tp,struct mii_ioctl_data * data,int cmd)4431 static int rtl_tbi_ioctl(struct rtl8169_private *tp, struct mii_ioctl_data *data, int cmd)
4432 {
4433 return -EOPNOTSUPP;
4434 }
4435
rtl_disable_msi(struct pci_dev * pdev,struct rtl8169_private * tp)4436 static void rtl_disable_msi(struct pci_dev *pdev, struct rtl8169_private *tp)
4437 {
4438 if (tp->features & RTL_FEATURE_MSI) {
4439 pci_disable_msi(pdev);
4440 tp->features &= ~RTL_FEATURE_MSI;
4441 }
4442 }
4443
rtl_init_mdio_ops(struct rtl8169_private * tp)4444 static void rtl_init_mdio_ops(struct rtl8169_private *tp)
4445 {
4446 struct mdio_ops *ops = &tp->mdio_ops;
4447
4448 switch (tp->mac_version) {
4449 case RTL_GIGA_MAC_VER_27:
4450 ops->write = r8168dp_1_mdio_write;
4451 ops->read = r8168dp_1_mdio_read;
4452 break;
4453 case RTL_GIGA_MAC_VER_28:
4454 case RTL_GIGA_MAC_VER_31:
4455 ops->write = r8168dp_2_mdio_write;
4456 ops->read = r8168dp_2_mdio_read;
4457 break;
4458 case RTL_GIGA_MAC_VER_40:
4459 case RTL_GIGA_MAC_VER_41:
4460 case RTL_GIGA_MAC_VER_42:
4461 case RTL_GIGA_MAC_VER_43:
4462 case RTL_GIGA_MAC_VER_44:
4463 case RTL_GIGA_MAC_VER_45:
4464 case RTL_GIGA_MAC_VER_46:
4465 case RTL_GIGA_MAC_VER_47:
4466 case RTL_GIGA_MAC_VER_48:
4467 case RTL_GIGA_MAC_VER_49:
4468 case RTL_GIGA_MAC_VER_50:
4469 case RTL_GIGA_MAC_VER_51:
4470 ops->write = r8168g_mdio_write;
4471 ops->read = r8168g_mdio_read;
4472 break;
4473 default:
4474 ops->write = r8169_mdio_write;
4475 ops->read = r8169_mdio_read;
4476 break;
4477 }
4478 }
4479
rtl_speed_down(struct rtl8169_private * tp)4480 static void rtl_speed_down(struct rtl8169_private *tp)
4481 {
4482 u32 adv;
4483 int lpa;
4484
4485 rtl_writephy(tp, 0x1f, 0x0000);
4486 lpa = rtl_readphy(tp, MII_LPA);
4487
4488 if (lpa & (LPA_10HALF | LPA_10FULL))
4489 adv = ADVERTISED_10baseT_Half | ADVERTISED_10baseT_Full;
4490 else if (lpa & (LPA_100HALF | LPA_100FULL))
4491 adv = ADVERTISED_10baseT_Half | ADVERTISED_10baseT_Full |
4492 ADVERTISED_100baseT_Half | ADVERTISED_100baseT_Full;
4493 else
4494 adv = ADVERTISED_10baseT_Half | ADVERTISED_10baseT_Full |
4495 ADVERTISED_100baseT_Half | ADVERTISED_100baseT_Full |
4496 (tp->mii.supports_gmii ?
4497 ADVERTISED_1000baseT_Half |
4498 ADVERTISED_1000baseT_Full : 0);
4499
4500 rtl8169_set_speed(tp->dev, AUTONEG_ENABLE, SPEED_1000, DUPLEX_FULL,
4501 adv);
4502 }
4503
rtl_wol_suspend_quirk(struct rtl8169_private * tp)4504 static void rtl_wol_suspend_quirk(struct rtl8169_private *tp)
4505 {
4506 void __iomem *ioaddr = tp->mmio_addr;
4507
4508 switch (tp->mac_version) {
4509 case RTL_GIGA_MAC_VER_25:
4510 case RTL_GIGA_MAC_VER_26:
4511 case RTL_GIGA_MAC_VER_29:
4512 case RTL_GIGA_MAC_VER_30:
4513 case RTL_GIGA_MAC_VER_32:
4514 case RTL_GIGA_MAC_VER_33:
4515 case RTL_GIGA_MAC_VER_34:
4516 case RTL_GIGA_MAC_VER_37:
4517 case RTL_GIGA_MAC_VER_38:
4518 case RTL_GIGA_MAC_VER_39:
4519 case RTL_GIGA_MAC_VER_40:
4520 case RTL_GIGA_MAC_VER_41:
4521 case RTL_GIGA_MAC_VER_42:
4522 case RTL_GIGA_MAC_VER_43:
4523 case RTL_GIGA_MAC_VER_44:
4524 case RTL_GIGA_MAC_VER_45:
4525 case RTL_GIGA_MAC_VER_46:
4526 case RTL_GIGA_MAC_VER_47:
4527 case RTL_GIGA_MAC_VER_48:
4528 case RTL_GIGA_MAC_VER_49:
4529 case RTL_GIGA_MAC_VER_50:
4530 case RTL_GIGA_MAC_VER_51:
4531 RTL_W32(RxConfig, RTL_R32(RxConfig) |
4532 AcceptBroadcast | AcceptMulticast | AcceptMyPhys);
4533 break;
4534 default:
4535 break;
4536 }
4537 }
4538
rtl_wol_pll_power_down(struct rtl8169_private * tp)4539 static bool rtl_wol_pll_power_down(struct rtl8169_private *tp)
4540 {
4541 if (!(__rtl8169_get_wol(tp) & WAKE_ANY))
4542 return false;
4543
4544 rtl_speed_down(tp);
4545 rtl_wol_suspend_quirk(tp);
4546
4547 return true;
4548 }
4549
r810x_phy_power_down(struct rtl8169_private * tp)4550 static void r810x_phy_power_down(struct rtl8169_private *tp)
4551 {
4552 rtl_writephy(tp, 0x1f, 0x0000);
4553 rtl_writephy(tp, MII_BMCR, BMCR_PDOWN);
4554 }
4555
r810x_phy_power_up(struct rtl8169_private * tp)4556 static void r810x_phy_power_up(struct rtl8169_private *tp)
4557 {
4558 rtl_writephy(tp, 0x1f, 0x0000);
4559 rtl_writephy(tp, MII_BMCR, BMCR_ANENABLE);
4560 }
4561
r810x_pll_power_down(struct rtl8169_private * tp)4562 static void r810x_pll_power_down(struct rtl8169_private *tp)
4563 {
4564 void __iomem *ioaddr = tp->mmio_addr;
4565
4566 if (rtl_wol_pll_power_down(tp))
4567 return;
4568
4569 r810x_phy_power_down(tp);
4570
4571 switch (tp->mac_version) {
4572 case RTL_GIGA_MAC_VER_07:
4573 case RTL_GIGA_MAC_VER_08:
4574 case RTL_GIGA_MAC_VER_09:
4575 case RTL_GIGA_MAC_VER_10:
4576 case RTL_GIGA_MAC_VER_13:
4577 case RTL_GIGA_MAC_VER_16:
4578 break;
4579 default:
4580 RTL_W8(PMCH, RTL_R8(PMCH) & ~0x80);
4581 break;
4582 }
4583 }
4584
r810x_pll_power_up(struct rtl8169_private * tp)4585 static void r810x_pll_power_up(struct rtl8169_private *tp)
4586 {
4587 void __iomem *ioaddr = tp->mmio_addr;
4588
4589 r810x_phy_power_up(tp);
4590
4591 switch (tp->mac_version) {
4592 case RTL_GIGA_MAC_VER_07:
4593 case RTL_GIGA_MAC_VER_08:
4594 case RTL_GIGA_MAC_VER_09:
4595 case RTL_GIGA_MAC_VER_10:
4596 case RTL_GIGA_MAC_VER_13:
4597 case RTL_GIGA_MAC_VER_16:
4598 break;
4599 case RTL_GIGA_MAC_VER_47:
4600 case RTL_GIGA_MAC_VER_48:
4601 RTL_W8(PMCH, RTL_R8(PMCH) | 0xc0);
4602 break;
4603 default:
4604 RTL_W8(PMCH, RTL_R8(PMCH) | 0x80);
4605 break;
4606 }
4607 }
4608
r8168_phy_power_up(struct rtl8169_private * tp)4609 static void r8168_phy_power_up(struct rtl8169_private *tp)
4610 {
4611 rtl_writephy(tp, 0x1f, 0x0000);
4612 switch (tp->mac_version) {
4613 case RTL_GIGA_MAC_VER_11:
4614 case RTL_GIGA_MAC_VER_12:
4615 case RTL_GIGA_MAC_VER_17:
4616 case RTL_GIGA_MAC_VER_18:
4617 case RTL_GIGA_MAC_VER_19:
4618 case RTL_GIGA_MAC_VER_20:
4619 case RTL_GIGA_MAC_VER_21:
4620 case RTL_GIGA_MAC_VER_22:
4621 case RTL_GIGA_MAC_VER_23:
4622 case RTL_GIGA_MAC_VER_24:
4623 case RTL_GIGA_MAC_VER_25:
4624 case RTL_GIGA_MAC_VER_26:
4625 case RTL_GIGA_MAC_VER_27:
4626 case RTL_GIGA_MAC_VER_28:
4627 case RTL_GIGA_MAC_VER_31:
4628 rtl_writephy(tp, 0x0e, 0x0000);
4629 break;
4630 default:
4631 break;
4632 }
4633 rtl_writephy(tp, MII_BMCR, BMCR_ANENABLE);
4634 }
4635
r8168_phy_power_down(struct rtl8169_private * tp)4636 static void r8168_phy_power_down(struct rtl8169_private *tp)
4637 {
4638 rtl_writephy(tp, 0x1f, 0x0000);
4639 switch (tp->mac_version) {
4640 case RTL_GIGA_MAC_VER_32:
4641 case RTL_GIGA_MAC_VER_33:
4642 case RTL_GIGA_MAC_VER_40:
4643 case RTL_GIGA_MAC_VER_41:
4644 rtl_writephy(tp, MII_BMCR, BMCR_ANENABLE | BMCR_PDOWN);
4645 break;
4646
4647 case RTL_GIGA_MAC_VER_11:
4648 case RTL_GIGA_MAC_VER_12:
4649 case RTL_GIGA_MAC_VER_17:
4650 case RTL_GIGA_MAC_VER_18:
4651 case RTL_GIGA_MAC_VER_19:
4652 case RTL_GIGA_MAC_VER_20:
4653 case RTL_GIGA_MAC_VER_21:
4654 case RTL_GIGA_MAC_VER_22:
4655 case RTL_GIGA_MAC_VER_23:
4656 case RTL_GIGA_MAC_VER_24:
4657 case RTL_GIGA_MAC_VER_25:
4658 case RTL_GIGA_MAC_VER_26:
4659 case RTL_GIGA_MAC_VER_27:
4660 case RTL_GIGA_MAC_VER_28:
4661 case RTL_GIGA_MAC_VER_31:
4662 rtl_writephy(tp, 0x0e, 0x0200);
4663 default:
4664 rtl_writephy(tp, MII_BMCR, BMCR_PDOWN);
4665 break;
4666 }
4667 }
4668
r8168_pll_power_down(struct rtl8169_private * tp)4669 static void r8168_pll_power_down(struct rtl8169_private *tp)
4670 {
4671 void __iomem *ioaddr = tp->mmio_addr;
4672
4673 if ((tp->mac_version == RTL_GIGA_MAC_VER_27 ||
4674 tp->mac_version == RTL_GIGA_MAC_VER_28 ||
4675 tp->mac_version == RTL_GIGA_MAC_VER_31 ||
4676 tp->mac_version == RTL_GIGA_MAC_VER_49 ||
4677 tp->mac_version == RTL_GIGA_MAC_VER_50 ||
4678 tp->mac_version == RTL_GIGA_MAC_VER_51) &&
4679 r8168_check_dash(tp)) {
4680 return;
4681 }
4682
4683 if ((tp->mac_version == RTL_GIGA_MAC_VER_23 ||
4684 tp->mac_version == RTL_GIGA_MAC_VER_24) &&
4685 (RTL_R16(CPlusCmd) & ASF)) {
4686 return;
4687 }
4688
4689 if (tp->mac_version == RTL_GIGA_MAC_VER_32 ||
4690 tp->mac_version == RTL_GIGA_MAC_VER_33)
4691 rtl_ephy_write(tp, 0x19, 0xff64);
4692
4693 if (rtl_wol_pll_power_down(tp))
4694 return;
4695
4696 r8168_phy_power_down(tp);
4697
4698 switch (tp->mac_version) {
4699 case RTL_GIGA_MAC_VER_25:
4700 case RTL_GIGA_MAC_VER_26:
4701 case RTL_GIGA_MAC_VER_27:
4702 case RTL_GIGA_MAC_VER_28:
4703 case RTL_GIGA_MAC_VER_31:
4704 case RTL_GIGA_MAC_VER_32:
4705 case RTL_GIGA_MAC_VER_33:
4706 case RTL_GIGA_MAC_VER_44:
4707 case RTL_GIGA_MAC_VER_45:
4708 case RTL_GIGA_MAC_VER_46:
4709 case RTL_GIGA_MAC_VER_50:
4710 case RTL_GIGA_MAC_VER_51:
4711 RTL_W8(PMCH, RTL_R8(PMCH) & ~0x80);
4712 break;
4713 case RTL_GIGA_MAC_VER_40:
4714 case RTL_GIGA_MAC_VER_41:
4715 case RTL_GIGA_MAC_VER_49:
4716 rtl_w0w1_eri(tp, 0x1a8, ERIAR_MASK_1111, 0x00000000,
4717 0xfc000000, ERIAR_EXGMAC);
4718 RTL_W8(PMCH, RTL_R8(PMCH) & ~0x80);
4719 break;
4720 }
4721 }
4722
r8168_pll_power_up(struct rtl8169_private * tp)4723 static void r8168_pll_power_up(struct rtl8169_private *tp)
4724 {
4725 void __iomem *ioaddr = tp->mmio_addr;
4726
4727 switch (tp->mac_version) {
4728 case RTL_GIGA_MAC_VER_25:
4729 case RTL_GIGA_MAC_VER_26:
4730 case RTL_GIGA_MAC_VER_27:
4731 case RTL_GIGA_MAC_VER_28:
4732 case RTL_GIGA_MAC_VER_31:
4733 case RTL_GIGA_MAC_VER_32:
4734 case RTL_GIGA_MAC_VER_33:
4735 RTL_W8(PMCH, RTL_R8(PMCH) | 0x80);
4736 break;
4737 case RTL_GIGA_MAC_VER_44:
4738 case RTL_GIGA_MAC_VER_45:
4739 case RTL_GIGA_MAC_VER_46:
4740 case RTL_GIGA_MAC_VER_50:
4741 case RTL_GIGA_MAC_VER_51:
4742 RTL_W8(PMCH, RTL_R8(PMCH) | 0xc0);
4743 break;
4744 case RTL_GIGA_MAC_VER_40:
4745 case RTL_GIGA_MAC_VER_41:
4746 case RTL_GIGA_MAC_VER_49:
4747 RTL_W8(PMCH, RTL_R8(PMCH) | 0xc0);
4748 rtl_w0w1_eri(tp, 0x1a8, ERIAR_MASK_1111, 0xfc000000,
4749 0x00000000, ERIAR_EXGMAC);
4750 break;
4751 }
4752
4753 r8168_phy_power_up(tp);
4754 }
4755
rtl_generic_op(struct rtl8169_private * tp,void (* op)(struct rtl8169_private *))4756 static void rtl_generic_op(struct rtl8169_private *tp,
4757 void (*op)(struct rtl8169_private *))
4758 {
4759 if (op)
4760 op(tp);
4761 }
4762
rtl_pll_power_down(struct rtl8169_private * tp)4763 static void rtl_pll_power_down(struct rtl8169_private *tp)
4764 {
4765 rtl_generic_op(tp, tp->pll_power_ops.down);
4766 }
4767
rtl_pll_power_up(struct rtl8169_private * tp)4768 static void rtl_pll_power_up(struct rtl8169_private *tp)
4769 {
4770 rtl_generic_op(tp, tp->pll_power_ops.up);
4771 }
4772
rtl_init_pll_power_ops(struct rtl8169_private * tp)4773 static void rtl_init_pll_power_ops(struct rtl8169_private *tp)
4774 {
4775 struct pll_power_ops *ops = &tp->pll_power_ops;
4776
4777 switch (tp->mac_version) {
4778 case RTL_GIGA_MAC_VER_07:
4779 case RTL_GIGA_MAC_VER_08:
4780 case RTL_GIGA_MAC_VER_09:
4781 case RTL_GIGA_MAC_VER_10:
4782 case RTL_GIGA_MAC_VER_16:
4783 case RTL_GIGA_MAC_VER_29:
4784 case RTL_GIGA_MAC_VER_30:
4785 case RTL_GIGA_MAC_VER_37:
4786 case RTL_GIGA_MAC_VER_39:
4787 case RTL_GIGA_MAC_VER_43:
4788 case RTL_GIGA_MAC_VER_47:
4789 case RTL_GIGA_MAC_VER_48:
4790 ops->down = r810x_pll_power_down;
4791 ops->up = r810x_pll_power_up;
4792 break;
4793
4794 case RTL_GIGA_MAC_VER_11:
4795 case RTL_GIGA_MAC_VER_12:
4796 case RTL_GIGA_MAC_VER_17:
4797 case RTL_GIGA_MAC_VER_18:
4798 case RTL_GIGA_MAC_VER_19:
4799 case RTL_GIGA_MAC_VER_20:
4800 case RTL_GIGA_MAC_VER_21:
4801 case RTL_GIGA_MAC_VER_22:
4802 case RTL_GIGA_MAC_VER_23:
4803 case RTL_GIGA_MAC_VER_24:
4804 case RTL_GIGA_MAC_VER_25:
4805 case RTL_GIGA_MAC_VER_26:
4806 case RTL_GIGA_MAC_VER_27:
4807 case RTL_GIGA_MAC_VER_28:
4808 case RTL_GIGA_MAC_VER_31:
4809 case RTL_GIGA_MAC_VER_32:
4810 case RTL_GIGA_MAC_VER_33:
4811 case RTL_GIGA_MAC_VER_34:
4812 case RTL_GIGA_MAC_VER_35:
4813 case RTL_GIGA_MAC_VER_36:
4814 case RTL_GIGA_MAC_VER_38:
4815 case RTL_GIGA_MAC_VER_40:
4816 case RTL_GIGA_MAC_VER_41:
4817 case RTL_GIGA_MAC_VER_42:
4818 case RTL_GIGA_MAC_VER_44:
4819 case RTL_GIGA_MAC_VER_45:
4820 case RTL_GIGA_MAC_VER_46:
4821 case RTL_GIGA_MAC_VER_49:
4822 case RTL_GIGA_MAC_VER_50:
4823 case RTL_GIGA_MAC_VER_51:
4824 ops->down = r8168_pll_power_down;
4825 ops->up = r8168_pll_power_up;
4826 break;
4827
4828 default:
4829 ops->down = NULL;
4830 ops->up = NULL;
4831 break;
4832 }
4833 }
4834
rtl_init_rxcfg(struct rtl8169_private * tp)4835 static void rtl_init_rxcfg(struct rtl8169_private *tp)
4836 {
4837 void __iomem *ioaddr = tp->mmio_addr;
4838
4839 switch (tp->mac_version) {
4840 case RTL_GIGA_MAC_VER_01:
4841 case RTL_GIGA_MAC_VER_02:
4842 case RTL_GIGA_MAC_VER_03:
4843 case RTL_GIGA_MAC_VER_04:
4844 case RTL_GIGA_MAC_VER_05:
4845 case RTL_GIGA_MAC_VER_06:
4846 case RTL_GIGA_MAC_VER_10:
4847 case RTL_GIGA_MAC_VER_11:
4848 case RTL_GIGA_MAC_VER_12:
4849 case RTL_GIGA_MAC_VER_13:
4850 case RTL_GIGA_MAC_VER_14:
4851 case RTL_GIGA_MAC_VER_15:
4852 case RTL_GIGA_MAC_VER_16:
4853 case RTL_GIGA_MAC_VER_17:
4854 RTL_W32(RxConfig, RX_FIFO_THRESH | RX_DMA_BURST);
4855 break;
4856 case RTL_GIGA_MAC_VER_18:
4857 case RTL_GIGA_MAC_VER_19:
4858 case RTL_GIGA_MAC_VER_20:
4859 case RTL_GIGA_MAC_VER_21:
4860 case RTL_GIGA_MAC_VER_22:
4861 case RTL_GIGA_MAC_VER_23:
4862 case RTL_GIGA_MAC_VER_24:
4863 case RTL_GIGA_MAC_VER_34:
4864 case RTL_GIGA_MAC_VER_35:
4865 RTL_W32(RxConfig, RX128_INT_EN | RX_MULTI_EN | RX_DMA_BURST);
4866 break;
4867 case RTL_GIGA_MAC_VER_40:
4868 RTL_W32(RxConfig, RX128_INT_EN | RX_MULTI_EN | RX_DMA_BURST | RX_EARLY_OFF);
4869 break;
4870 case RTL_GIGA_MAC_VER_41:
4871 case RTL_GIGA_MAC_VER_42:
4872 case RTL_GIGA_MAC_VER_43:
4873 case RTL_GIGA_MAC_VER_44:
4874 case RTL_GIGA_MAC_VER_45:
4875 case RTL_GIGA_MAC_VER_46:
4876 case RTL_GIGA_MAC_VER_47:
4877 case RTL_GIGA_MAC_VER_48:
4878 case RTL_GIGA_MAC_VER_49:
4879 case RTL_GIGA_MAC_VER_50:
4880 case RTL_GIGA_MAC_VER_51:
4881 RTL_W32(RxConfig, RX128_INT_EN | RX_DMA_BURST | RX_EARLY_OFF);
4882 break;
4883 default:
4884 RTL_W32(RxConfig, RX128_INT_EN | RX_DMA_BURST);
4885 break;
4886 }
4887 }
4888
rtl8169_init_ring_indexes(struct rtl8169_private * tp)4889 static void rtl8169_init_ring_indexes(struct rtl8169_private *tp)
4890 {
4891 tp->dirty_tx = tp->cur_tx = tp->cur_rx = 0;
4892 }
4893
rtl_hw_jumbo_enable(struct rtl8169_private * tp)4894 static void rtl_hw_jumbo_enable(struct rtl8169_private *tp)
4895 {
4896 void __iomem *ioaddr = tp->mmio_addr;
4897
4898 RTL_W8(Cfg9346, Cfg9346_Unlock);
4899 rtl_generic_op(tp, tp->jumbo_ops.enable);
4900 RTL_W8(Cfg9346, Cfg9346_Lock);
4901 }
4902
rtl_hw_jumbo_disable(struct rtl8169_private * tp)4903 static void rtl_hw_jumbo_disable(struct rtl8169_private *tp)
4904 {
4905 void __iomem *ioaddr = tp->mmio_addr;
4906
4907 RTL_W8(Cfg9346, Cfg9346_Unlock);
4908 rtl_generic_op(tp, tp->jumbo_ops.disable);
4909 RTL_W8(Cfg9346, Cfg9346_Lock);
4910 }
4911
r8168c_hw_jumbo_enable(struct rtl8169_private * tp)4912 static void r8168c_hw_jumbo_enable(struct rtl8169_private *tp)
4913 {
4914 void __iomem *ioaddr = tp->mmio_addr;
4915
4916 RTL_W8(Config3, RTL_R8(Config3) | Jumbo_En0);
4917 RTL_W8(Config4, RTL_R8(Config4) | Jumbo_En1);
4918 rtl_tx_performance_tweak(tp->pci_dev, PCI_EXP_DEVCTL_READRQ_512B);
4919 }
4920
r8168c_hw_jumbo_disable(struct rtl8169_private * tp)4921 static void r8168c_hw_jumbo_disable(struct rtl8169_private *tp)
4922 {
4923 void __iomem *ioaddr = tp->mmio_addr;
4924
4925 RTL_W8(Config3, RTL_R8(Config3) & ~Jumbo_En0);
4926 RTL_W8(Config4, RTL_R8(Config4) & ~Jumbo_En1);
4927 rtl_tx_performance_tweak(tp->pci_dev, 0x5 << MAX_READ_REQUEST_SHIFT);
4928 }
4929
r8168dp_hw_jumbo_enable(struct rtl8169_private * tp)4930 static void r8168dp_hw_jumbo_enable(struct rtl8169_private *tp)
4931 {
4932 void __iomem *ioaddr = tp->mmio_addr;
4933
4934 RTL_W8(Config3, RTL_R8(Config3) | Jumbo_En0);
4935 }
4936
r8168dp_hw_jumbo_disable(struct rtl8169_private * tp)4937 static void r8168dp_hw_jumbo_disable(struct rtl8169_private *tp)
4938 {
4939 void __iomem *ioaddr = tp->mmio_addr;
4940
4941 RTL_W8(Config3, RTL_R8(Config3) & ~Jumbo_En0);
4942 }
4943
r8168e_hw_jumbo_enable(struct rtl8169_private * tp)4944 static void r8168e_hw_jumbo_enable(struct rtl8169_private *tp)
4945 {
4946 void __iomem *ioaddr = tp->mmio_addr;
4947
4948 RTL_W8(MaxTxPacketSize, 0x3f);
4949 RTL_W8(Config3, RTL_R8(Config3) | Jumbo_En0);
4950 RTL_W8(Config4, RTL_R8(Config4) | 0x01);
4951 rtl_tx_performance_tweak(tp->pci_dev, PCI_EXP_DEVCTL_READRQ_512B);
4952 }
4953
r8168e_hw_jumbo_disable(struct rtl8169_private * tp)4954 static void r8168e_hw_jumbo_disable(struct rtl8169_private *tp)
4955 {
4956 void __iomem *ioaddr = tp->mmio_addr;
4957
4958 RTL_W8(MaxTxPacketSize, 0x0c);
4959 RTL_W8(Config3, RTL_R8(Config3) & ~Jumbo_En0);
4960 RTL_W8(Config4, RTL_R8(Config4) & ~0x01);
4961 rtl_tx_performance_tweak(tp->pci_dev, 0x5 << MAX_READ_REQUEST_SHIFT);
4962 }
4963
r8168b_0_hw_jumbo_enable(struct rtl8169_private * tp)4964 static void r8168b_0_hw_jumbo_enable(struct rtl8169_private *tp)
4965 {
4966 rtl_tx_performance_tweak(tp->pci_dev,
4967 PCI_EXP_DEVCTL_READRQ_512B | PCI_EXP_DEVCTL_NOSNOOP_EN);
4968 }
4969
r8168b_0_hw_jumbo_disable(struct rtl8169_private * tp)4970 static void r8168b_0_hw_jumbo_disable(struct rtl8169_private *tp)
4971 {
4972 rtl_tx_performance_tweak(tp->pci_dev,
4973 (0x5 << MAX_READ_REQUEST_SHIFT) | PCI_EXP_DEVCTL_NOSNOOP_EN);
4974 }
4975
r8168b_1_hw_jumbo_enable(struct rtl8169_private * tp)4976 static void r8168b_1_hw_jumbo_enable(struct rtl8169_private *tp)
4977 {
4978 void __iomem *ioaddr = tp->mmio_addr;
4979
4980 r8168b_0_hw_jumbo_enable(tp);
4981
4982 RTL_W8(Config4, RTL_R8(Config4) | (1 << 0));
4983 }
4984
r8168b_1_hw_jumbo_disable(struct rtl8169_private * tp)4985 static void r8168b_1_hw_jumbo_disable(struct rtl8169_private *tp)
4986 {
4987 void __iomem *ioaddr = tp->mmio_addr;
4988
4989 r8168b_0_hw_jumbo_disable(tp);
4990
4991 RTL_W8(Config4, RTL_R8(Config4) & ~(1 << 0));
4992 }
4993
rtl_init_jumbo_ops(struct rtl8169_private * tp)4994 static void rtl_init_jumbo_ops(struct rtl8169_private *tp)
4995 {
4996 struct jumbo_ops *ops = &tp->jumbo_ops;
4997
4998 switch (tp->mac_version) {
4999 case RTL_GIGA_MAC_VER_11:
5000 ops->disable = r8168b_0_hw_jumbo_disable;
5001 ops->enable = r8168b_0_hw_jumbo_enable;
5002 break;
5003 case RTL_GIGA_MAC_VER_12:
5004 case RTL_GIGA_MAC_VER_17:
5005 ops->disable = r8168b_1_hw_jumbo_disable;
5006 ops->enable = r8168b_1_hw_jumbo_enable;
5007 break;
5008 case RTL_GIGA_MAC_VER_18: /* Wild guess. Needs info from Realtek. */
5009 case RTL_GIGA_MAC_VER_19:
5010 case RTL_GIGA_MAC_VER_20:
5011 case RTL_GIGA_MAC_VER_21: /* Wild guess. Needs info from Realtek. */
5012 case RTL_GIGA_MAC_VER_22:
5013 case RTL_GIGA_MAC_VER_23:
5014 case RTL_GIGA_MAC_VER_24:
5015 case RTL_GIGA_MAC_VER_25:
5016 case RTL_GIGA_MAC_VER_26:
5017 ops->disable = r8168c_hw_jumbo_disable;
5018 ops->enable = r8168c_hw_jumbo_enable;
5019 break;
5020 case RTL_GIGA_MAC_VER_27:
5021 case RTL_GIGA_MAC_VER_28:
5022 ops->disable = r8168dp_hw_jumbo_disable;
5023 ops->enable = r8168dp_hw_jumbo_enable;
5024 break;
5025 case RTL_GIGA_MAC_VER_31: /* Wild guess. Needs info from Realtek. */
5026 case RTL_GIGA_MAC_VER_32:
5027 case RTL_GIGA_MAC_VER_33:
5028 case RTL_GIGA_MAC_VER_34:
5029 ops->disable = r8168e_hw_jumbo_disable;
5030 ops->enable = r8168e_hw_jumbo_enable;
5031 break;
5032
5033 /*
5034 * No action needed for jumbo frames with 8169.
5035 * No jumbo for 810x at all.
5036 */
5037 case RTL_GIGA_MAC_VER_40:
5038 case RTL_GIGA_MAC_VER_41:
5039 case RTL_GIGA_MAC_VER_42:
5040 case RTL_GIGA_MAC_VER_43:
5041 case RTL_GIGA_MAC_VER_44:
5042 case RTL_GIGA_MAC_VER_45:
5043 case RTL_GIGA_MAC_VER_46:
5044 case RTL_GIGA_MAC_VER_47:
5045 case RTL_GIGA_MAC_VER_48:
5046 case RTL_GIGA_MAC_VER_49:
5047 case RTL_GIGA_MAC_VER_50:
5048 case RTL_GIGA_MAC_VER_51:
5049 default:
5050 ops->disable = NULL;
5051 ops->enable = NULL;
5052 break;
5053 }
5054 }
5055
DECLARE_RTL_COND(rtl_chipcmd_cond)5056 DECLARE_RTL_COND(rtl_chipcmd_cond)
5057 {
5058 void __iomem *ioaddr = tp->mmio_addr;
5059
5060 return RTL_R8(ChipCmd) & CmdReset;
5061 }
5062
rtl_hw_reset(struct rtl8169_private * tp)5063 static void rtl_hw_reset(struct rtl8169_private *tp)
5064 {
5065 void __iomem *ioaddr = tp->mmio_addr;
5066
5067 RTL_W8(ChipCmd, CmdReset);
5068
5069 rtl_udelay_loop_wait_low(tp, &rtl_chipcmd_cond, 100, 100);
5070 }
5071
rtl_request_uncached_firmware(struct rtl8169_private * tp)5072 static void rtl_request_uncached_firmware(struct rtl8169_private *tp)
5073 {
5074 struct rtl_fw *rtl_fw;
5075 const char *name;
5076 int rc = -ENOMEM;
5077
5078 name = rtl_lookup_firmware_name(tp);
5079 if (!name)
5080 goto out_no_firmware;
5081
5082 rtl_fw = kzalloc(sizeof(*rtl_fw), GFP_KERNEL);
5083 if (!rtl_fw)
5084 goto err_warn;
5085
5086 rc = request_firmware(&rtl_fw->fw, name, &tp->pci_dev->dev);
5087 if (rc < 0)
5088 goto err_free;
5089
5090 rc = rtl_check_firmware(tp, rtl_fw);
5091 if (rc < 0)
5092 goto err_release_firmware;
5093
5094 tp->rtl_fw = rtl_fw;
5095 out:
5096 return;
5097
5098 err_release_firmware:
5099 release_firmware(rtl_fw->fw);
5100 err_free:
5101 kfree(rtl_fw);
5102 err_warn:
5103 netif_warn(tp, ifup, tp->dev, "unable to load firmware patch %s (%d)\n",
5104 name, rc);
5105 out_no_firmware:
5106 tp->rtl_fw = NULL;
5107 goto out;
5108 }
5109
rtl_request_firmware(struct rtl8169_private * tp)5110 static void rtl_request_firmware(struct rtl8169_private *tp)
5111 {
5112 if (IS_ERR(tp->rtl_fw))
5113 rtl_request_uncached_firmware(tp);
5114 }
5115
rtl_rx_close(struct rtl8169_private * tp)5116 static void rtl_rx_close(struct rtl8169_private *tp)
5117 {
5118 void __iomem *ioaddr = tp->mmio_addr;
5119
5120 RTL_W32(RxConfig, RTL_R32(RxConfig) & ~RX_CONFIG_ACCEPT_MASK);
5121 }
5122
DECLARE_RTL_COND(rtl_npq_cond)5123 DECLARE_RTL_COND(rtl_npq_cond)
5124 {
5125 void __iomem *ioaddr = tp->mmio_addr;
5126
5127 return RTL_R8(TxPoll) & NPQ;
5128 }
5129
DECLARE_RTL_COND(rtl_txcfg_empty_cond)5130 DECLARE_RTL_COND(rtl_txcfg_empty_cond)
5131 {
5132 void __iomem *ioaddr = tp->mmio_addr;
5133
5134 return RTL_R32(TxConfig) & TXCFG_EMPTY;
5135 }
5136
rtl8169_hw_reset(struct rtl8169_private * tp)5137 static void rtl8169_hw_reset(struct rtl8169_private *tp)
5138 {
5139 void __iomem *ioaddr = tp->mmio_addr;
5140
5141 /* Disable interrupts */
5142 rtl8169_irq_mask_and_ack(tp);
5143
5144 rtl_rx_close(tp);
5145
5146 if (tp->mac_version == RTL_GIGA_MAC_VER_27 ||
5147 tp->mac_version == RTL_GIGA_MAC_VER_28 ||
5148 tp->mac_version == RTL_GIGA_MAC_VER_31) {
5149 rtl_udelay_loop_wait_low(tp, &rtl_npq_cond, 20, 42*42);
5150 } else if (tp->mac_version == RTL_GIGA_MAC_VER_34 ||
5151 tp->mac_version == RTL_GIGA_MAC_VER_35 ||
5152 tp->mac_version == RTL_GIGA_MAC_VER_36 ||
5153 tp->mac_version == RTL_GIGA_MAC_VER_37 ||
5154 tp->mac_version == RTL_GIGA_MAC_VER_38 ||
5155 tp->mac_version == RTL_GIGA_MAC_VER_40 ||
5156 tp->mac_version == RTL_GIGA_MAC_VER_41 ||
5157 tp->mac_version == RTL_GIGA_MAC_VER_42 ||
5158 tp->mac_version == RTL_GIGA_MAC_VER_43 ||
5159 tp->mac_version == RTL_GIGA_MAC_VER_44 ||
5160 tp->mac_version == RTL_GIGA_MAC_VER_45 ||
5161 tp->mac_version == RTL_GIGA_MAC_VER_46 ||
5162 tp->mac_version == RTL_GIGA_MAC_VER_47 ||
5163 tp->mac_version == RTL_GIGA_MAC_VER_48 ||
5164 tp->mac_version == RTL_GIGA_MAC_VER_49 ||
5165 tp->mac_version == RTL_GIGA_MAC_VER_50 ||
5166 tp->mac_version == RTL_GIGA_MAC_VER_51) {
5167 RTL_W8(ChipCmd, RTL_R8(ChipCmd) | StopReq);
5168 rtl_udelay_loop_wait_high(tp, &rtl_txcfg_empty_cond, 100, 666);
5169 } else {
5170 RTL_W8(ChipCmd, RTL_R8(ChipCmd) | StopReq);
5171 udelay(100);
5172 }
5173
5174 rtl_hw_reset(tp);
5175 }
5176
rtl_set_rx_tx_config_registers(struct rtl8169_private * tp)5177 static void rtl_set_rx_tx_config_registers(struct rtl8169_private *tp)
5178 {
5179 void __iomem *ioaddr = tp->mmio_addr;
5180
5181 /* Set DMA burst size and Interframe Gap Time */
5182 RTL_W32(TxConfig, (TX_DMA_BURST << TxDMAShift) |
5183 (InterFrameGap << TxInterFrameGapShift));
5184 }
5185
rtl_hw_start(struct net_device * dev)5186 static void rtl_hw_start(struct net_device *dev)
5187 {
5188 struct rtl8169_private *tp = netdev_priv(dev);
5189
5190 tp->hw_start(dev);
5191
5192 rtl_irq_enable_all(tp);
5193 }
5194
rtl_set_rx_tx_desc_registers(struct rtl8169_private * tp,void __iomem * ioaddr)5195 static void rtl_set_rx_tx_desc_registers(struct rtl8169_private *tp,
5196 void __iomem *ioaddr)
5197 {
5198 /*
5199 * Magic spell: some iop3xx ARM board needs the TxDescAddrHigh
5200 * register to be written before TxDescAddrLow to work.
5201 * Switching from MMIO to I/O access fixes the issue as well.
5202 */
5203 RTL_W32(TxDescStartAddrHigh, ((u64) tp->TxPhyAddr) >> 32);
5204 RTL_W32(TxDescStartAddrLow, ((u64) tp->TxPhyAddr) & DMA_BIT_MASK(32));
5205 RTL_W32(RxDescAddrHigh, ((u64) tp->RxPhyAddr) >> 32);
5206 RTL_W32(RxDescAddrLow, ((u64) tp->RxPhyAddr) & DMA_BIT_MASK(32));
5207 }
5208
rtl_rw_cpluscmd(void __iomem * ioaddr)5209 static u16 rtl_rw_cpluscmd(void __iomem *ioaddr)
5210 {
5211 u16 cmd;
5212
5213 cmd = RTL_R16(CPlusCmd);
5214 RTL_W16(CPlusCmd, cmd);
5215 return cmd;
5216 }
5217
rtl_set_rx_max_size(void __iomem * ioaddr,unsigned int rx_buf_sz)5218 static void rtl_set_rx_max_size(void __iomem *ioaddr, unsigned int rx_buf_sz)
5219 {
5220 /* Low hurts. Let's disable the filtering. */
5221 RTL_W16(RxMaxSize, rx_buf_sz + 1);
5222 }
5223
rtl8169_set_magic_reg(void __iomem * ioaddr,unsigned mac_version)5224 static void rtl8169_set_magic_reg(void __iomem *ioaddr, unsigned mac_version)
5225 {
5226 static const struct rtl_cfg2_info {
5227 u32 mac_version;
5228 u32 clk;
5229 u32 val;
5230 } cfg2_info [] = {
5231 { RTL_GIGA_MAC_VER_05, PCI_Clock_33MHz, 0x000fff00 }, // 8110SCd
5232 { RTL_GIGA_MAC_VER_05, PCI_Clock_66MHz, 0x000fffff },
5233 { RTL_GIGA_MAC_VER_06, PCI_Clock_33MHz, 0x00ffff00 }, // 8110SCe
5234 { RTL_GIGA_MAC_VER_06, PCI_Clock_66MHz, 0x00ffffff }
5235 };
5236 const struct rtl_cfg2_info *p = cfg2_info;
5237 unsigned int i;
5238 u32 clk;
5239
5240 clk = RTL_R8(Config2) & PCI_Clock_66MHz;
5241 for (i = 0; i < ARRAY_SIZE(cfg2_info); i++, p++) {
5242 if ((p->mac_version == mac_version) && (p->clk == clk)) {
5243 RTL_W32(0x7c, p->val);
5244 break;
5245 }
5246 }
5247 }
5248
rtl_set_rx_mode(struct net_device * dev)5249 static void rtl_set_rx_mode(struct net_device *dev)
5250 {
5251 struct rtl8169_private *tp = netdev_priv(dev);
5252 void __iomem *ioaddr = tp->mmio_addr;
5253 u32 mc_filter[2]; /* Multicast hash filter */
5254 int rx_mode;
5255 u32 tmp = 0;
5256
5257 if (dev->flags & IFF_PROMISC) {
5258 /* Unconditionally log net taps. */
5259 netif_notice(tp, link, dev, "Promiscuous mode enabled\n");
5260 rx_mode =
5261 AcceptBroadcast | AcceptMulticast | AcceptMyPhys |
5262 AcceptAllPhys;
5263 mc_filter[1] = mc_filter[0] = 0xffffffff;
5264 } else if ((netdev_mc_count(dev) > multicast_filter_limit) ||
5265 (dev->flags & IFF_ALLMULTI)) {
5266 /* Too many to filter perfectly -- accept all multicasts. */
5267 rx_mode = AcceptBroadcast | AcceptMulticast | AcceptMyPhys;
5268 mc_filter[1] = mc_filter[0] = 0xffffffff;
5269 } else {
5270 struct netdev_hw_addr *ha;
5271
5272 rx_mode = AcceptBroadcast | AcceptMyPhys;
5273 mc_filter[1] = mc_filter[0] = 0;
5274 netdev_for_each_mc_addr(ha, dev) {
5275 int bit_nr = ether_crc(ETH_ALEN, ha->addr) >> 26;
5276 mc_filter[bit_nr >> 5] |= 1 << (bit_nr & 31);
5277 rx_mode |= AcceptMulticast;
5278 }
5279 }
5280
5281 if (dev->features & NETIF_F_RXALL)
5282 rx_mode |= (AcceptErr | AcceptRunt);
5283
5284 tmp = (RTL_R32(RxConfig) & ~RX_CONFIG_ACCEPT_MASK) | rx_mode;
5285
5286 if (tp->mac_version > RTL_GIGA_MAC_VER_06) {
5287 u32 data = mc_filter[0];
5288
5289 mc_filter[0] = swab32(mc_filter[1]);
5290 mc_filter[1] = swab32(data);
5291 }
5292
5293 if (tp->mac_version == RTL_GIGA_MAC_VER_35)
5294 mc_filter[1] = mc_filter[0] = 0xffffffff;
5295
5296 RTL_W32(MAR0 + 4, mc_filter[1]);
5297 RTL_W32(MAR0 + 0, mc_filter[0]);
5298
5299 RTL_W32(RxConfig, tmp);
5300 }
5301
rtl_hw_start_8169(struct net_device * dev)5302 static void rtl_hw_start_8169(struct net_device *dev)
5303 {
5304 struct rtl8169_private *tp = netdev_priv(dev);
5305 void __iomem *ioaddr = tp->mmio_addr;
5306 struct pci_dev *pdev = tp->pci_dev;
5307
5308 if (tp->mac_version == RTL_GIGA_MAC_VER_05) {
5309 RTL_W16(CPlusCmd, RTL_R16(CPlusCmd) | PCIMulRW);
5310 pci_write_config_byte(pdev, PCI_CACHE_LINE_SIZE, 0x08);
5311 }
5312
5313 RTL_W8(Cfg9346, Cfg9346_Unlock);
5314 if (tp->mac_version == RTL_GIGA_MAC_VER_01 ||
5315 tp->mac_version == RTL_GIGA_MAC_VER_02 ||
5316 tp->mac_version == RTL_GIGA_MAC_VER_03 ||
5317 tp->mac_version == RTL_GIGA_MAC_VER_04)
5318 RTL_W8(ChipCmd, CmdTxEnb | CmdRxEnb);
5319
5320 rtl_init_rxcfg(tp);
5321
5322 RTL_W8(EarlyTxThres, NoEarlyTx);
5323
5324 rtl_set_rx_max_size(ioaddr, rx_buf_sz);
5325
5326 if (tp->mac_version == RTL_GIGA_MAC_VER_01 ||
5327 tp->mac_version == RTL_GIGA_MAC_VER_02 ||
5328 tp->mac_version == RTL_GIGA_MAC_VER_03 ||
5329 tp->mac_version == RTL_GIGA_MAC_VER_04)
5330 rtl_set_rx_tx_config_registers(tp);
5331
5332 tp->cp_cmd |= rtl_rw_cpluscmd(ioaddr) | PCIMulRW;
5333
5334 if (tp->mac_version == RTL_GIGA_MAC_VER_02 ||
5335 tp->mac_version == RTL_GIGA_MAC_VER_03) {
5336 dprintk("Set MAC Reg C+CR Offset 0xe0. "
5337 "Bit-3 and bit-14 MUST be 1\n");
5338 tp->cp_cmd |= (1 << 14);
5339 }
5340
5341 RTL_W16(CPlusCmd, tp->cp_cmd);
5342
5343 rtl8169_set_magic_reg(ioaddr, tp->mac_version);
5344
5345 /*
5346 * Undocumented corner. Supposedly:
5347 * (TxTimer << 12) | (TxPackets << 8) | (RxTimer << 4) | RxPackets
5348 */
5349 RTL_W16(IntrMitigate, 0x0000);
5350
5351 rtl_set_rx_tx_desc_registers(tp, ioaddr);
5352
5353 if (tp->mac_version != RTL_GIGA_MAC_VER_01 &&
5354 tp->mac_version != RTL_GIGA_MAC_VER_02 &&
5355 tp->mac_version != RTL_GIGA_MAC_VER_03 &&
5356 tp->mac_version != RTL_GIGA_MAC_VER_04) {
5357 RTL_W8(ChipCmd, CmdTxEnb | CmdRxEnb);
5358 rtl_set_rx_tx_config_registers(tp);
5359 }
5360
5361 RTL_W8(Cfg9346, Cfg9346_Lock);
5362
5363 /* Initially a 10 us delay. Turned it into a PCI commit. - FR */
5364 RTL_R8(IntrMask);
5365
5366 RTL_W32(RxMissed, 0);
5367
5368 rtl_set_rx_mode(dev);
5369
5370 /* no early-rx interrupts */
5371 RTL_W16(MultiIntr, RTL_R16(MultiIntr) & 0xf000);
5372 }
5373
rtl_csi_write(struct rtl8169_private * tp,int addr,int value)5374 static void rtl_csi_write(struct rtl8169_private *tp, int addr, int value)
5375 {
5376 if (tp->csi_ops.write)
5377 tp->csi_ops.write(tp, addr, value);
5378 }
5379
rtl_csi_read(struct rtl8169_private * tp,int addr)5380 static u32 rtl_csi_read(struct rtl8169_private *tp, int addr)
5381 {
5382 return tp->csi_ops.read ? tp->csi_ops.read(tp, addr) : ~0;
5383 }
5384
rtl_csi_access_enable(struct rtl8169_private * tp,u32 bits)5385 static void rtl_csi_access_enable(struct rtl8169_private *tp, u32 bits)
5386 {
5387 u32 csi;
5388
5389 csi = rtl_csi_read(tp, 0x070c) & 0x00ffffff;
5390 rtl_csi_write(tp, 0x070c, csi | bits);
5391 }
5392
rtl_csi_access_enable_1(struct rtl8169_private * tp)5393 static void rtl_csi_access_enable_1(struct rtl8169_private *tp)
5394 {
5395 rtl_csi_access_enable(tp, 0x17000000);
5396 }
5397
rtl_csi_access_enable_2(struct rtl8169_private * tp)5398 static void rtl_csi_access_enable_2(struct rtl8169_private *tp)
5399 {
5400 rtl_csi_access_enable(tp, 0x27000000);
5401 }
5402
DECLARE_RTL_COND(rtl_csiar_cond)5403 DECLARE_RTL_COND(rtl_csiar_cond)
5404 {
5405 void __iomem *ioaddr = tp->mmio_addr;
5406
5407 return RTL_R32(CSIAR) & CSIAR_FLAG;
5408 }
5409
r8169_csi_write(struct rtl8169_private * tp,int addr,int value)5410 static void r8169_csi_write(struct rtl8169_private *tp, int addr, int value)
5411 {
5412 void __iomem *ioaddr = tp->mmio_addr;
5413
5414 RTL_W32(CSIDR, value);
5415 RTL_W32(CSIAR, CSIAR_WRITE_CMD | (addr & CSIAR_ADDR_MASK) |
5416 CSIAR_BYTE_ENABLE << CSIAR_BYTE_ENABLE_SHIFT);
5417
5418 rtl_udelay_loop_wait_low(tp, &rtl_csiar_cond, 10, 100);
5419 }
5420
r8169_csi_read(struct rtl8169_private * tp,int addr)5421 static u32 r8169_csi_read(struct rtl8169_private *tp, int addr)
5422 {
5423 void __iomem *ioaddr = tp->mmio_addr;
5424
5425 RTL_W32(CSIAR, (addr & CSIAR_ADDR_MASK) |
5426 CSIAR_BYTE_ENABLE << CSIAR_BYTE_ENABLE_SHIFT);
5427
5428 return rtl_udelay_loop_wait_high(tp, &rtl_csiar_cond, 10, 100) ?
5429 RTL_R32(CSIDR) : ~0;
5430 }
5431
r8402_csi_write(struct rtl8169_private * tp,int addr,int value)5432 static void r8402_csi_write(struct rtl8169_private *tp, int addr, int value)
5433 {
5434 void __iomem *ioaddr = tp->mmio_addr;
5435
5436 RTL_W32(CSIDR, value);
5437 RTL_W32(CSIAR, CSIAR_WRITE_CMD | (addr & CSIAR_ADDR_MASK) |
5438 CSIAR_BYTE_ENABLE << CSIAR_BYTE_ENABLE_SHIFT |
5439 CSIAR_FUNC_NIC);
5440
5441 rtl_udelay_loop_wait_low(tp, &rtl_csiar_cond, 10, 100);
5442 }
5443
r8402_csi_read(struct rtl8169_private * tp,int addr)5444 static u32 r8402_csi_read(struct rtl8169_private *tp, int addr)
5445 {
5446 void __iomem *ioaddr = tp->mmio_addr;
5447
5448 RTL_W32(CSIAR, (addr & CSIAR_ADDR_MASK) | CSIAR_FUNC_NIC |
5449 CSIAR_BYTE_ENABLE << CSIAR_BYTE_ENABLE_SHIFT);
5450
5451 return rtl_udelay_loop_wait_high(tp, &rtl_csiar_cond, 10, 100) ?
5452 RTL_R32(CSIDR) : ~0;
5453 }
5454
r8411_csi_write(struct rtl8169_private * tp,int addr,int value)5455 static void r8411_csi_write(struct rtl8169_private *tp, int addr, int value)
5456 {
5457 void __iomem *ioaddr = tp->mmio_addr;
5458
5459 RTL_W32(CSIDR, value);
5460 RTL_W32(CSIAR, CSIAR_WRITE_CMD | (addr & CSIAR_ADDR_MASK) |
5461 CSIAR_BYTE_ENABLE << CSIAR_BYTE_ENABLE_SHIFT |
5462 CSIAR_FUNC_NIC2);
5463
5464 rtl_udelay_loop_wait_low(tp, &rtl_csiar_cond, 10, 100);
5465 }
5466
r8411_csi_read(struct rtl8169_private * tp,int addr)5467 static u32 r8411_csi_read(struct rtl8169_private *tp, int addr)
5468 {
5469 void __iomem *ioaddr = tp->mmio_addr;
5470
5471 RTL_W32(CSIAR, (addr & CSIAR_ADDR_MASK) | CSIAR_FUNC_NIC2 |
5472 CSIAR_BYTE_ENABLE << CSIAR_BYTE_ENABLE_SHIFT);
5473
5474 return rtl_udelay_loop_wait_high(tp, &rtl_csiar_cond, 10, 100) ?
5475 RTL_R32(CSIDR) : ~0;
5476 }
5477
rtl_init_csi_ops(struct rtl8169_private * tp)5478 static void rtl_init_csi_ops(struct rtl8169_private *tp)
5479 {
5480 struct csi_ops *ops = &tp->csi_ops;
5481
5482 switch (tp->mac_version) {
5483 case RTL_GIGA_MAC_VER_01:
5484 case RTL_GIGA_MAC_VER_02:
5485 case RTL_GIGA_MAC_VER_03:
5486 case RTL_GIGA_MAC_VER_04:
5487 case RTL_GIGA_MAC_VER_05:
5488 case RTL_GIGA_MAC_VER_06:
5489 case RTL_GIGA_MAC_VER_10:
5490 case RTL_GIGA_MAC_VER_11:
5491 case RTL_GIGA_MAC_VER_12:
5492 case RTL_GIGA_MAC_VER_13:
5493 case RTL_GIGA_MAC_VER_14:
5494 case RTL_GIGA_MAC_VER_15:
5495 case RTL_GIGA_MAC_VER_16:
5496 case RTL_GIGA_MAC_VER_17:
5497 ops->write = NULL;
5498 ops->read = NULL;
5499 break;
5500
5501 case RTL_GIGA_MAC_VER_37:
5502 case RTL_GIGA_MAC_VER_38:
5503 ops->write = r8402_csi_write;
5504 ops->read = r8402_csi_read;
5505 break;
5506
5507 case RTL_GIGA_MAC_VER_44:
5508 ops->write = r8411_csi_write;
5509 ops->read = r8411_csi_read;
5510 break;
5511
5512 default:
5513 ops->write = r8169_csi_write;
5514 ops->read = r8169_csi_read;
5515 break;
5516 }
5517 }
5518
5519 struct ephy_info {
5520 unsigned int offset;
5521 u16 mask;
5522 u16 bits;
5523 };
5524
rtl_ephy_init(struct rtl8169_private * tp,const struct ephy_info * e,int len)5525 static void rtl_ephy_init(struct rtl8169_private *tp, const struct ephy_info *e,
5526 int len)
5527 {
5528 u16 w;
5529
5530 while (len-- > 0) {
5531 w = (rtl_ephy_read(tp, e->offset) & ~e->mask) | e->bits;
5532 rtl_ephy_write(tp, e->offset, w);
5533 e++;
5534 }
5535 }
5536
rtl_disable_clock_request(struct pci_dev * pdev)5537 static void rtl_disable_clock_request(struct pci_dev *pdev)
5538 {
5539 pcie_capability_clear_word(pdev, PCI_EXP_LNKCTL,
5540 PCI_EXP_LNKCTL_CLKREQ_EN);
5541 }
5542
rtl_enable_clock_request(struct pci_dev * pdev)5543 static void rtl_enable_clock_request(struct pci_dev *pdev)
5544 {
5545 pcie_capability_set_word(pdev, PCI_EXP_LNKCTL,
5546 PCI_EXP_LNKCTL_CLKREQ_EN);
5547 }
5548
rtl_pcie_state_l2l3_enable(struct rtl8169_private * tp,bool enable)5549 static void rtl_pcie_state_l2l3_enable(struct rtl8169_private *tp, bool enable)
5550 {
5551 void __iomem *ioaddr = tp->mmio_addr;
5552 u8 data;
5553
5554 data = RTL_R8(Config3);
5555
5556 if (enable)
5557 data |= Rdy_to_L23;
5558 else
5559 data &= ~Rdy_to_L23;
5560
5561 RTL_W8(Config3, data);
5562 }
5563
5564 #define R8168_CPCMD_QUIRK_MASK (\
5565 EnableBist | \
5566 Mac_dbgo_oe | \
5567 Force_half_dup | \
5568 Force_rxflow_en | \
5569 Force_txflow_en | \
5570 Cxpl_dbg_sel | \
5571 ASF | \
5572 PktCntrDisable | \
5573 Mac_dbgo_sel)
5574
rtl_hw_start_8168bb(struct rtl8169_private * tp)5575 static void rtl_hw_start_8168bb(struct rtl8169_private *tp)
5576 {
5577 void __iomem *ioaddr = tp->mmio_addr;
5578 struct pci_dev *pdev = tp->pci_dev;
5579
5580 RTL_W8(Config3, RTL_R8(Config3) & ~Beacon_en);
5581
5582 RTL_W16(CPlusCmd, RTL_R16(CPlusCmd) & ~R8168_CPCMD_QUIRK_MASK);
5583
5584 if (tp->dev->mtu <= ETH_DATA_LEN) {
5585 rtl_tx_performance_tweak(pdev, (0x5 << MAX_READ_REQUEST_SHIFT) |
5586 PCI_EXP_DEVCTL_NOSNOOP_EN);
5587 }
5588 }
5589
rtl_hw_start_8168bef(struct rtl8169_private * tp)5590 static void rtl_hw_start_8168bef(struct rtl8169_private *tp)
5591 {
5592 void __iomem *ioaddr = tp->mmio_addr;
5593
5594 rtl_hw_start_8168bb(tp);
5595
5596 RTL_W8(MaxTxPacketSize, TxPacketMax);
5597
5598 RTL_W8(Config4, RTL_R8(Config4) & ~(1 << 0));
5599 }
5600
__rtl_hw_start_8168cp(struct rtl8169_private * tp)5601 static void __rtl_hw_start_8168cp(struct rtl8169_private *tp)
5602 {
5603 void __iomem *ioaddr = tp->mmio_addr;
5604 struct pci_dev *pdev = tp->pci_dev;
5605
5606 RTL_W8(Config1, RTL_R8(Config1) | Speed_down);
5607
5608 RTL_W8(Config3, RTL_R8(Config3) & ~Beacon_en);
5609
5610 if (tp->dev->mtu <= ETH_DATA_LEN)
5611 rtl_tx_performance_tweak(pdev, 0x5 << MAX_READ_REQUEST_SHIFT);
5612
5613 rtl_disable_clock_request(pdev);
5614
5615 RTL_W16(CPlusCmd, RTL_R16(CPlusCmd) & ~R8168_CPCMD_QUIRK_MASK);
5616 }
5617
rtl_hw_start_8168cp_1(struct rtl8169_private * tp)5618 static void rtl_hw_start_8168cp_1(struct rtl8169_private *tp)
5619 {
5620 static const struct ephy_info e_info_8168cp[] = {
5621 { 0x01, 0, 0x0001 },
5622 { 0x02, 0x0800, 0x1000 },
5623 { 0x03, 0, 0x0042 },
5624 { 0x06, 0x0080, 0x0000 },
5625 { 0x07, 0, 0x2000 }
5626 };
5627
5628 rtl_csi_access_enable_2(tp);
5629
5630 rtl_ephy_init(tp, e_info_8168cp, ARRAY_SIZE(e_info_8168cp));
5631
5632 __rtl_hw_start_8168cp(tp);
5633 }
5634
rtl_hw_start_8168cp_2(struct rtl8169_private * tp)5635 static void rtl_hw_start_8168cp_2(struct rtl8169_private *tp)
5636 {
5637 void __iomem *ioaddr = tp->mmio_addr;
5638 struct pci_dev *pdev = tp->pci_dev;
5639
5640 rtl_csi_access_enable_2(tp);
5641
5642 RTL_W8(Config3, RTL_R8(Config3) & ~Beacon_en);
5643
5644 if (tp->dev->mtu <= ETH_DATA_LEN)
5645 rtl_tx_performance_tweak(pdev, 0x5 << MAX_READ_REQUEST_SHIFT);
5646
5647 RTL_W16(CPlusCmd, RTL_R16(CPlusCmd) & ~R8168_CPCMD_QUIRK_MASK);
5648 }
5649
rtl_hw_start_8168cp_3(struct rtl8169_private * tp)5650 static void rtl_hw_start_8168cp_3(struct rtl8169_private *tp)
5651 {
5652 void __iomem *ioaddr = tp->mmio_addr;
5653 struct pci_dev *pdev = tp->pci_dev;
5654
5655 rtl_csi_access_enable_2(tp);
5656
5657 RTL_W8(Config3, RTL_R8(Config3) & ~Beacon_en);
5658
5659 /* Magic. */
5660 RTL_W8(DBG_REG, 0x20);
5661
5662 RTL_W8(MaxTxPacketSize, TxPacketMax);
5663
5664 if (tp->dev->mtu <= ETH_DATA_LEN)
5665 rtl_tx_performance_tweak(pdev, 0x5 << MAX_READ_REQUEST_SHIFT);
5666
5667 RTL_W16(CPlusCmd, RTL_R16(CPlusCmd) & ~R8168_CPCMD_QUIRK_MASK);
5668 }
5669
rtl_hw_start_8168c_1(struct rtl8169_private * tp)5670 static void rtl_hw_start_8168c_1(struct rtl8169_private *tp)
5671 {
5672 void __iomem *ioaddr = tp->mmio_addr;
5673 static const struct ephy_info e_info_8168c_1[] = {
5674 { 0x02, 0x0800, 0x1000 },
5675 { 0x03, 0, 0x0002 },
5676 { 0x06, 0x0080, 0x0000 }
5677 };
5678
5679 rtl_csi_access_enable_2(tp);
5680
5681 RTL_W8(DBG_REG, 0x06 | FIX_NAK_1 | FIX_NAK_2);
5682
5683 rtl_ephy_init(tp, e_info_8168c_1, ARRAY_SIZE(e_info_8168c_1));
5684
5685 __rtl_hw_start_8168cp(tp);
5686 }
5687
rtl_hw_start_8168c_2(struct rtl8169_private * tp)5688 static void rtl_hw_start_8168c_2(struct rtl8169_private *tp)
5689 {
5690 static const struct ephy_info e_info_8168c_2[] = {
5691 { 0x01, 0, 0x0001 },
5692 { 0x03, 0x0400, 0x0220 }
5693 };
5694
5695 rtl_csi_access_enable_2(tp);
5696
5697 rtl_ephy_init(tp, e_info_8168c_2, ARRAY_SIZE(e_info_8168c_2));
5698
5699 __rtl_hw_start_8168cp(tp);
5700 }
5701
rtl_hw_start_8168c_3(struct rtl8169_private * tp)5702 static void rtl_hw_start_8168c_3(struct rtl8169_private *tp)
5703 {
5704 rtl_hw_start_8168c_2(tp);
5705 }
5706
rtl_hw_start_8168c_4(struct rtl8169_private * tp)5707 static void rtl_hw_start_8168c_4(struct rtl8169_private *tp)
5708 {
5709 rtl_csi_access_enable_2(tp);
5710
5711 __rtl_hw_start_8168cp(tp);
5712 }
5713
rtl_hw_start_8168d(struct rtl8169_private * tp)5714 static void rtl_hw_start_8168d(struct rtl8169_private *tp)
5715 {
5716 void __iomem *ioaddr = tp->mmio_addr;
5717 struct pci_dev *pdev = tp->pci_dev;
5718
5719 rtl_csi_access_enable_2(tp);
5720
5721 rtl_disable_clock_request(pdev);
5722
5723 RTL_W8(MaxTxPacketSize, TxPacketMax);
5724
5725 if (tp->dev->mtu <= ETH_DATA_LEN)
5726 rtl_tx_performance_tweak(pdev, 0x5 << MAX_READ_REQUEST_SHIFT);
5727
5728 RTL_W16(CPlusCmd, RTL_R16(CPlusCmd) & ~R8168_CPCMD_QUIRK_MASK);
5729 }
5730
rtl_hw_start_8168dp(struct rtl8169_private * tp)5731 static void rtl_hw_start_8168dp(struct rtl8169_private *tp)
5732 {
5733 void __iomem *ioaddr = tp->mmio_addr;
5734 struct pci_dev *pdev = tp->pci_dev;
5735
5736 rtl_csi_access_enable_1(tp);
5737
5738 if (tp->dev->mtu <= ETH_DATA_LEN)
5739 rtl_tx_performance_tweak(pdev, 0x5 << MAX_READ_REQUEST_SHIFT);
5740
5741 RTL_W8(MaxTxPacketSize, TxPacketMax);
5742
5743 rtl_disable_clock_request(pdev);
5744 }
5745
rtl_hw_start_8168d_4(struct rtl8169_private * tp)5746 static void rtl_hw_start_8168d_4(struct rtl8169_private *tp)
5747 {
5748 void __iomem *ioaddr = tp->mmio_addr;
5749 struct pci_dev *pdev = tp->pci_dev;
5750 static const struct ephy_info e_info_8168d_4[] = {
5751 { 0x0b, ~0, 0x48 },
5752 { 0x19, 0x20, 0x50 },
5753 { 0x0c, ~0, 0x20 }
5754 };
5755 int i;
5756
5757 rtl_csi_access_enable_1(tp);
5758
5759 rtl_tx_performance_tweak(pdev, 0x5 << MAX_READ_REQUEST_SHIFT);
5760
5761 RTL_W8(MaxTxPacketSize, TxPacketMax);
5762
5763 for (i = 0; i < ARRAY_SIZE(e_info_8168d_4); i++) {
5764 const struct ephy_info *e = e_info_8168d_4 + i;
5765 u16 w;
5766
5767 w = rtl_ephy_read(tp, e->offset);
5768 rtl_ephy_write(tp, 0x03, (w & e->mask) | e->bits);
5769 }
5770
5771 rtl_enable_clock_request(pdev);
5772 }
5773
rtl_hw_start_8168e_1(struct rtl8169_private * tp)5774 static void rtl_hw_start_8168e_1(struct rtl8169_private *tp)
5775 {
5776 void __iomem *ioaddr = tp->mmio_addr;
5777 struct pci_dev *pdev = tp->pci_dev;
5778 static const struct ephy_info e_info_8168e_1[] = {
5779 { 0x00, 0x0200, 0x0100 },
5780 { 0x00, 0x0000, 0x0004 },
5781 { 0x06, 0x0002, 0x0001 },
5782 { 0x06, 0x0000, 0x0030 },
5783 { 0x07, 0x0000, 0x2000 },
5784 { 0x00, 0x0000, 0x0020 },
5785 { 0x03, 0x5800, 0x2000 },
5786 { 0x03, 0x0000, 0x0001 },
5787 { 0x01, 0x0800, 0x1000 },
5788 { 0x07, 0x0000, 0x4000 },
5789 { 0x1e, 0x0000, 0x2000 },
5790 { 0x19, 0xffff, 0xfe6c },
5791 { 0x0a, 0x0000, 0x0040 }
5792 };
5793
5794 rtl_csi_access_enable_2(tp);
5795
5796 rtl_ephy_init(tp, e_info_8168e_1, ARRAY_SIZE(e_info_8168e_1));
5797
5798 if (tp->dev->mtu <= ETH_DATA_LEN)
5799 rtl_tx_performance_tweak(pdev, 0x5 << MAX_READ_REQUEST_SHIFT);
5800
5801 RTL_W8(MaxTxPacketSize, TxPacketMax);
5802
5803 rtl_disable_clock_request(pdev);
5804
5805 /* Reset tx FIFO pointer */
5806 RTL_W32(MISC, RTL_R32(MISC) | TXPLA_RST);
5807 RTL_W32(MISC, RTL_R32(MISC) & ~TXPLA_RST);
5808
5809 RTL_W8(Config5, RTL_R8(Config5) & ~Spi_en);
5810 }
5811
rtl_hw_start_8168e_2(struct rtl8169_private * tp)5812 static void rtl_hw_start_8168e_2(struct rtl8169_private *tp)
5813 {
5814 void __iomem *ioaddr = tp->mmio_addr;
5815 struct pci_dev *pdev = tp->pci_dev;
5816 static const struct ephy_info e_info_8168e_2[] = {
5817 { 0x09, 0x0000, 0x0080 },
5818 { 0x19, 0x0000, 0x0224 }
5819 };
5820
5821 rtl_csi_access_enable_1(tp);
5822
5823 rtl_ephy_init(tp, e_info_8168e_2, ARRAY_SIZE(e_info_8168e_2));
5824
5825 if (tp->dev->mtu <= ETH_DATA_LEN)
5826 rtl_tx_performance_tweak(pdev, 0x5 << MAX_READ_REQUEST_SHIFT);
5827
5828 rtl_eri_write(tp, 0xc0, ERIAR_MASK_0011, 0x0000, ERIAR_EXGMAC);
5829 rtl_eri_write(tp, 0xb8, ERIAR_MASK_0011, 0x0000, ERIAR_EXGMAC);
5830 rtl_eri_write(tp, 0xc8, ERIAR_MASK_1111, 0x00100002, ERIAR_EXGMAC);
5831 rtl_eri_write(tp, 0xe8, ERIAR_MASK_1111, 0x00100006, ERIAR_EXGMAC);
5832 rtl_eri_write(tp, 0xcc, ERIAR_MASK_1111, 0x00000050, ERIAR_EXGMAC);
5833 rtl_eri_write(tp, 0xd0, ERIAR_MASK_1111, 0x07ff0060, ERIAR_EXGMAC);
5834 rtl_w0w1_eri(tp, 0x1b0, ERIAR_MASK_0001, 0x10, 0x00, ERIAR_EXGMAC);
5835 rtl_w0w1_eri(tp, 0x0d4, ERIAR_MASK_0011, 0x0c00, 0xff00, ERIAR_EXGMAC);
5836
5837 RTL_W8(MaxTxPacketSize, EarlySize);
5838
5839 rtl_disable_clock_request(pdev);
5840
5841 RTL_W32(TxConfig, RTL_R32(TxConfig) | TXCFG_AUTO_FIFO);
5842 RTL_W8(MCU, RTL_R8(MCU) & ~NOW_IS_OOB);
5843
5844 /* Adjust EEE LED frequency */
5845 RTL_W8(EEE_LED, RTL_R8(EEE_LED) & ~0x07);
5846
5847 RTL_W8(DLLPR, RTL_R8(DLLPR) | PFM_EN);
5848 RTL_W32(MISC, RTL_R32(MISC) | PWM_EN);
5849 RTL_W8(Config5, RTL_R8(Config5) & ~Spi_en);
5850 }
5851
rtl_hw_start_8168f(struct rtl8169_private * tp)5852 static void rtl_hw_start_8168f(struct rtl8169_private *tp)
5853 {
5854 void __iomem *ioaddr = tp->mmio_addr;
5855 struct pci_dev *pdev = tp->pci_dev;
5856
5857 rtl_csi_access_enable_2(tp);
5858
5859 rtl_tx_performance_tweak(pdev, 0x5 << MAX_READ_REQUEST_SHIFT);
5860
5861 rtl_eri_write(tp, 0xc0, ERIAR_MASK_0011, 0x0000, ERIAR_EXGMAC);
5862 rtl_eri_write(tp, 0xb8, ERIAR_MASK_0011, 0x0000, ERIAR_EXGMAC);
5863 rtl_eri_write(tp, 0xc8, ERIAR_MASK_1111, 0x00100002, ERIAR_EXGMAC);
5864 rtl_eri_write(tp, 0xe8, ERIAR_MASK_1111, 0x00100006, ERIAR_EXGMAC);
5865 rtl_w0w1_eri(tp, 0xdc, ERIAR_MASK_0001, 0x00, 0x01, ERIAR_EXGMAC);
5866 rtl_w0w1_eri(tp, 0xdc, ERIAR_MASK_0001, 0x01, 0x00, ERIAR_EXGMAC);
5867 rtl_w0w1_eri(tp, 0x1b0, ERIAR_MASK_0001, 0x10, 0x00, ERIAR_EXGMAC);
5868 rtl_w0w1_eri(tp, 0x1d0, ERIAR_MASK_0001, 0x10, 0x00, ERIAR_EXGMAC);
5869 rtl_eri_write(tp, 0xcc, ERIAR_MASK_1111, 0x00000050, ERIAR_EXGMAC);
5870 rtl_eri_write(tp, 0xd0, ERIAR_MASK_1111, 0x00000060, ERIAR_EXGMAC);
5871
5872 RTL_W8(MaxTxPacketSize, EarlySize);
5873
5874 rtl_disable_clock_request(pdev);
5875
5876 RTL_W32(TxConfig, RTL_R32(TxConfig) | TXCFG_AUTO_FIFO);
5877 RTL_W8(MCU, RTL_R8(MCU) & ~NOW_IS_OOB);
5878 RTL_W8(DLLPR, RTL_R8(DLLPR) | PFM_EN);
5879 RTL_W32(MISC, RTL_R32(MISC) | PWM_EN);
5880 RTL_W8(Config5, RTL_R8(Config5) & ~Spi_en);
5881 }
5882
rtl_hw_start_8168f_1(struct rtl8169_private * tp)5883 static void rtl_hw_start_8168f_1(struct rtl8169_private *tp)
5884 {
5885 void __iomem *ioaddr = tp->mmio_addr;
5886 static const struct ephy_info e_info_8168f_1[] = {
5887 { 0x06, 0x00c0, 0x0020 },
5888 { 0x08, 0x0001, 0x0002 },
5889 { 0x09, 0x0000, 0x0080 },
5890 { 0x19, 0x0000, 0x0224 }
5891 };
5892
5893 rtl_hw_start_8168f(tp);
5894
5895 rtl_ephy_init(tp, e_info_8168f_1, ARRAY_SIZE(e_info_8168f_1));
5896
5897 rtl_w0w1_eri(tp, 0x0d4, ERIAR_MASK_0011, 0x0c00, 0xff00, ERIAR_EXGMAC);
5898
5899 /* Adjust EEE LED frequency */
5900 RTL_W8(EEE_LED, RTL_R8(EEE_LED) & ~0x07);
5901 }
5902
rtl_hw_start_8411(struct rtl8169_private * tp)5903 static void rtl_hw_start_8411(struct rtl8169_private *tp)
5904 {
5905 static const struct ephy_info e_info_8168f_1[] = {
5906 { 0x06, 0x00c0, 0x0020 },
5907 { 0x0f, 0xffff, 0x5200 },
5908 { 0x1e, 0x0000, 0x4000 },
5909 { 0x19, 0x0000, 0x0224 }
5910 };
5911
5912 rtl_hw_start_8168f(tp);
5913 rtl_pcie_state_l2l3_enable(tp, false);
5914
5915 rtl_ephy_init(tp, e_info_8168f_1, ARRAY_SIZE(e_info_8168f_1));
5916
5917 rtl_w0w1_eri(tp, 0x0d4, ERIAR_MASK_0011, 0x0c00, 0x0000, ERIAR_EXGMAC);
5918 }
5919
rtl_hw_start_8168g(struct rtl8169_private * tp)5920 static void rtl_hw_start_8168g(struct rtl8169_private *tp)
5921 {
5922 void __iomem *ioaddr = tp->mmio_addr;
5923 struct pci_dev *pdev = tp->pci_dev;
5924
5925 RTL_W32(TxConfig, RTL_R32(TxConfig) | TXCFG_AUTO_FIFO);
5926
5927 rtl_eri_write(tp, 0xc8, ERIAR_MASK_0101, 0x080002, ERIAR_EXGMAC);
5928 rtl_eri_write(tp, 0xcc, ERIAR_MASK_0001, 0x38, ERIAR_EXGMAC);
5929 rtl_eri_write(tp, 0xd0, ERIAR_MASK_0001, 0x48, ERIAR_EXGMAC);
5930 rtl_eri_write(tp, 0xe8, ERIAR_MASK_1111, 0x00100006, ERIAR_EXGMAC);
5931
5932 rtl_csi_access_enable_1(tp);
5933
5934 rtl_tx_performance_tweak(pdev, 0x5 << MAX_READ_REQUEST_SHIFT);
5935
5936 rtl_w0w1_eri(tp, 0xdc, ERIAR_MASK_0001, 0x00, 0x01, ERIAR_EXGMAC);
5937 rtl_w0w1_eri(tp, 0xdc, ERIAR_MASK_0001, 0x01, 0x00, ERIAR_EXGMAC);
5938 rtl_eri_write(tp, 0x2f8, ERIAR_MASK_0011, 0x1d8f, ERIAR_EXGMAC);
5939
5940 RTL_W32(MISC, RTL_R32(MISC) & ~RXDV_GATED_EN);
5941 RTL_W8(MaxTxPacketSize, EarlySize);
5942
5943 rtl_eri_write(tp, 0xc0, ERIAR_MASK_0011, 0x0000, ERIAR_EXGMAC);
5944 rtl_eri_write(tp, 0xb8, ERIAR_MASK_0011, 0x0000, ERIAR_EXGMAC);
5945
5946 /* Adjust EEE LED frequency */
5947 RTL_W8(EEE_LED, RTL_R8(EEE_LED) & ~0x07);
5948
5949 rtl_w0w1_eri(tp, 0x2fc, ERIAR_MASK_0001, 0x01, 0x06, ERIAR_EXGMAC);
5950 rtl_w0w1_eri(tp, 0x1b0, ERIAR_MASK_0011, 0x0000, 0x1000, ERIAR_EXGMAC);
5951
5952 rtl_pcie_state_l2l3_enable(tp, false);
5953 }
5954
rtl_hw_start_8168g_1(struct rtl8169_private * tp)5955 static void rtl_hw_start_8168g_1(struct rtl8169_private *tp)
5956 {
5957 void __iomem *ioaddr = tp->mmio_addr;
5958 static const struct ephy_info e_info_8168g_1[] = {
5959 { 0x00, 0x0000, 0x0008 },
5960 { 0x0c, 0x37d0, 0x0820 },
5961 { 0x1e, 0x0000, 0x0001 },
5962 { 0x19, 0x8000, 0x0000 }
5963 };
5964
5965 rtl_hw_start_8168g(tp);
5966
5967 /* disable aspm and clock request before access ephy */
5968 RTL_W8(Config2, RTL_R8(Config2) & ~ClkReqEn);
5969 RTL_W8(Config5, RTL_R8(Config5) & ~ASPM_en);
5970 rtl_ephy_init(tp, e_info_8168g_1, ARRAY_SIZE(e_info_8168g_1));
5971 }
5972
rtl_hw_start_8168g_2(struct rtl8169_private * tp)5973 static void rtl_hw_start_8168g_2(struct rtl8169_private *tp)
5974 {
5975 void __iomem *ioaddr = tp->mmio_addr;
5976 static const struct ephy_info e_info_8168g_2[] = {
5977 { 0x00, 0x0000, 0x0008 },
5978 { 0x0c, 0x3df0, 0x0200 },
5979 { 0x19, 0xffff, 0xfc00 },
5980 { 0x1e, 0xffff, 0x20eb }
5981 };
5982
5983 rtl_hw_start_8168g(tp);
5984
5985 /* disable aspm and clock request before access ephy */
5986 RTL_W8(Config2, RTL_R8(Config2) & ~ClkReqEn);
5987 RTL_W8(Config5, RTL_R8(Config5) & ~ASPM_en);
5988 rtl_ephy_init(tp, e_info_8168g_2, ARRAY_SIZE(e_info_8168g_2));
5989 }
5990
rtl_hw_start_8411_2(struct rtl8169_private * tp)5991 static void rtl_hw_start_8411_2(struct rtl8169_private *tp)
5992 {
5993 void __iomem *ioaddr = tp->mmio_addr;
5994 static const struct ephy_info e_info_8411_2[] = {
5995 { 0x00, 0x0000, 0x0008 },
5996 { 0x0c, 0x3df0, 0x0200 },
5997 { 0x0f, 0xffff, 0x5200 },
5998 { 0x19, 0x0020, 0x0000 },
5999 { 0x1e, 0x0000, 0x2000 }
6000 };
6001
6002 rtl_hw_start_8168g(tp);
6003
6004 /* disable aspm and clock request before access ephy */
6005 RTL_W8(Config2, RTL_R8(Config2) & ~ClkReqEn);
6006 RTL_W8(Config5, RTL_R8(Config5) & ~ASPM_en);
6007 rtl_ephy_init(tp, e_info_8411_2, ARRAY_SIZE(e_info_8411_2));
6008 }
6009
rtl_hw_start_8168h_1(struct rtl8169_private * tp)6010 static void rtl_hw_start_8168h_1(struct rtl8169_private *tp)
6011 {
6012 void __iomem *ioaddr = tp->mmio_addr;
6013 struct pci_dev *pdev = tp->pci_dev;
6014 u16 rg_saw_cnt;
6015 u32 data;
6016 static const struct ephy_info e_info_8168h_1[] = {
6017 { 0x1e, 0x0800, 0x0001 },
6018 { 0x1d, 0x0000, 0x0800 },
6019 { 0x05, 0xffff, 0x2089 },
6020 { 0x06, 0xffff, 0x5881 },
6021 { 0x04, 0xffff, 0x154a },
6022 { 0x01, 0xffff, 0x068b }
6023 };
6024
6025 /* disable aspm and clock request before access ephy */
6026 RTL_W8(Config2, RTL_R8(Config2) & ~ClkReqEn);
6027 RTL_W8(Config5, RTL_R8(Config5) & ~ASPM_en);
6028 rtl_ephy_init(tp, e_info_8168h_1, ARRAY_SIZE(e_info_8168h_1));
6029
6030 RTL_W32(TxConfig, RTL_R32(TxConfig) | TXCFG_AUTO_FIFO);
6031
6032 rtl_eri_write(tp, 0xc8, ERIAR_MASK_0101, 0x00080002, ERIAR_EXGMAC);
6033 rtl_eri_write(tp, 0xcc, ERIAR_MASK_0001, 0x38, ERIAR_EXGMAC);
6034 rtl_eri_write(tp, 0xd0, ERIAR_MASK_0001, 0x48, ERIAR_EXGMAC);
6035 rtl_eri_write(tp, 0xe8, ERIAR_MASK_1111, 0x00100006, ERIAR_EXGMAC);
6036
6037 rtl_csi_access_enable_1(tp);
6038
6039 rtl_tx_performance_tweak(pdev, 0x5 << MAX_READ_REQUEST_SHIFT);
6040
6041 rtl_w0w1_eri(tp, 0xdc, ERIAR_MASK_0001, 0x00, 0x01, ERIAR_EXGMAC);
6042 rtl_w0w1_eri(tp, 0xdc, ERIAR_MASK_0001, 0x01, 0x00, ERIAR_EXGMAC);
6043
6044 rtl_w0w1_eri(tp, 0xdc, ERIAR_MASK_1111, 0x0010, 0x00, ERIAR_EXGMAC);
6045
6046 rtl_w0w1_eri(tp, 0xd4, ERIAR_MASK_1111, 0x1f00, 0x00, ERIAR_EXGMAC);
6047
6048 rtl_eri_write(tp, 0x5f0, ERIAR_MASK_0011, 0x4f87, ERIAR_EXGMAC);
6049
6050 RTL_W32(MISC, RTL_R32(MISC) & ~RXDV_GATED_EN);
6051 RTL_W8(MaxTxPacketSize, EarlySize);
6052
6053 rtl_eri_write(tp, 0xc0, ERIAR_MASK_0011, 0x0000, ERIAR_EXGMAC);
6054 rtl_eri_write(tp, 0xb8, ERIAR_MASK_0011, 0x0000, ERIAR_EXGMAC);
6055
6056 /* Adjust EEE LED frequency */
6057 RTL_W8(EEE_LED, RTL_R8(EEE_LED) & ~0x07);
6058
6059 RTL_W8(DLLPR, RTL_R8(DLLPR) & ~PFM_EN);
6060 RTL_W8(DLLPR, RTL_R8(MISC_1) & ~PFM_D3COLD_EN);
6061
6062 RTL_W8(DLLPR, RTL_R8(DLLPR) & ~TX_10M_PS_EN);
6063
6064 rtl_w0w1_eri(tp, 0x1b0, ERIAR_MASK_0011, 0x0000, 0x1000, ERIAR_EXGMAC);
6065
6066 rtl_pcie_state_l2l3_enable(tp, false);
6067
6068 rtl_writephy(tp, 0x1f, 0x0c42);
6069 rg_saw_cnt = rtl_readphy(tp, 0x13);
6070 rtl_writephy(tp, 0x1f, 0x0000);
6071 if (rg_saw_cnt > 0) {
6072 u16 sw_cnt_1ms_ini;
6073
6074 sw_cnt_1ms_ini = 16000000/rg_saw_cnt;
6075 sw_cnt_1ms_ini &= 0x0fff;
6076 data = r8168_mac_ocp_read(tp, 0xd412);
6077 data &= 0x0fff;
6078 data |= sw_cnt_1ms_ini;
6079 r8168_mac_ocp_write(tp, 0xd412, data);
6080 }
6081
6082 data = r8168_mac_ocp_read(tp, 0xe056);
6083 data &= 0xf0;
6084 data |= 0x07;
6085 r8168_mac_ocp_write(tp, 0xe056, data);
6086
6087 data = r8168_mac_ocp_read(tp, 0xe052);
6088 data &= 0x8008;
6089 data |= 0x6000;
6090 r8168_mac_ocp_write(tp, 0xe052, data);
6091
6092 data = r8168_mac_ocp_read(tp, 0xe0d6);
6093 data &= 0x01ff;
6094 data |= 0x017f;
6095 r8168_mac_ocp_write(tp, 0xe0d6, data);
6096
6097 data = r8168_mac_ocp_read(tp, 0xd420);
6098 data &= 0x0fff;
6099 data |= 0x047f;
6100 r8168_mac_ocp_write(tp, 0xd420, data);
6101
6102 r8168_mac_ocp_write(tp, 0xe63e, 0x0001);
6103 r8168_mac_ocp_write(tp, 0xe63e, 0x0000);
6104 r8168_mac_ocp_write(tp, 0xc094, 0x0000);
6105 r8168_mac_ocp_write(tp, 0xc09e, 0x0000);
6106 }
6107
rtl_hw_start_8168ep(struct rtl8169_private * tp)6108 static void rtl_hw_start_8168ep(struct rtl8169_private *tp)
6109 {
6110 void __iomem *ioaddr = tp->mmio_addr;
6111 struct pci_dev *pdev = tp->pci_dev;
6112
6113 rtl8168ep_stop_cmac(tp);
6114
6115 RTL_W32(TxConfig, RTL_R32(TxConfig) | TXCFG_AUTO_FIFO);
6116
6117 rtl_eri_write(tp, 0xc8, ERIAR_MASK_0101, 0x00080002, ERIAR_EXGMAC);
6118 rtl_eri_write(tp, 0xcc, ERIAR_MASK_0001, 0x2f, ERIAR_EXGMAC);
6119 rtl_eri_write(tp, 0xd0, ERIAR_MASK_0001, 0x5f, ERIAR_EXGMAC);
6120 rtl_eri_write(tp, 0xe8, ERIAR_MASK_1111, 0x00100006, ERIAR_EXGMAC);
6121
6122 rtl_csi_access_enable_1(tp);
6123
6124 rtl_tx_performance_tweak(pdev, 0x5 << MAX_READ_REQUEST_SHIFT);
6125
6126 rtl_w0w1_eri(tp, 0xdc, ERIAR_MASK_0001, 0x00, 0x01, ERIAR_EXGMAC);
6127 rtl_w0w1_eri(tp, 0xdc, ERIAR_MASK_0001, 0x01, 0x00, ERIAR_EXGMAC);
6128
6129 rtl_w0w1_eri(tp, 0xd4, ERIAR_MASK_1111, 0x1f80, 0x00, ERIAR_EXGMAC);
6130
6131 rtl_eri_write(tp, 0x5f0, ERIAR_MASK_0011, 0x4f87, ERIAR_EXGMAC);
6132
6133 RTL_W32(MISC, RTL_R32(MISC) & ~RXDV_GATED_EN);
6134 RTL_W8(MaxTxPacketSize, EarlySize);
6135
6136 rtl_eri_write(tp, 0xc0, ERIAR_MASK_0011, 0x0000, ERIAR_EXGMAC);
6137 rtl_eri_write(tp, 0xb8, ERIAR_MASK_0011, 0x0000, ERIAR_EXGMAC);
6138
6139 /* Adjust EEE LED frequency */
6140 RTL_W8(EEE_LED, RTL_R8(EEE_LED) & ~0x07);
6141
6142 rtl_w0w1_eri(tp, 0x2fc, ERIAR_MASK_0001, 0x01, 0x06, ERIAR_EXGMAC);
6143
6144 RTL_W8(DLLPR, RTL_R8(DLLPR) & ~TX_10M_PS_EN);
6145
6146 rtl_pcie_state_l2l3_enable(tp, false);
6147 }
6148
rtl_hw_start_8168ep_1(struct rtl8169_private * tp)6149 static void rtl_hw_start_8168ep_1(struct rtl8169_private *tp)
6150 {
6151 void __iomem *ioaddr = tp->mmio_addr;
6152 static const struct ephy_info e_info_8168ep_1[] = {
6153 { 0x00, 0xffff, 0x10ab },
6154 { 0x06, 0xffff, 0xf030 },
6155 { 0x08, 0xffff, 0x2006 },
6156 { 0x0d, 0xffff, 0x1666 },
6157 { 0x0c, 0x3ff0, 0x0000 }
6158 };
6159
6160 /* disable aspm and clock request before access ephy */
6161 RTL_W8(Config2, RTL_R8(Config2) & ~ClkReqEn);
6162 RTL_W8(Config5, RTL_R8(Config5) & ~ASPM_en);
6163 rtl_ephy_init(tp, e_info_8168ep_1, ARRAY_SIZE(e_info_8168ep_1));
6164
6165 rtl_hw_start_8168ep(tp);
6166 }
6167
rtl_hw_start_8168ep_2(struct rtl8169_private * tp)6168 static void rtl_hw_start_8168ep_2(struct rtl8169_private *tp)
6169 {
6170 void __iomem *ioaddr = tp->mmio_addr;
6171 static const struct ephy_info e_info_8168ep_2[] = {
6172 { 0x00, 0xffff, 0x10a3 },
6173 { 0x19, 0xffff, 0xfc00 },
6174 { 0x1e, 0xffff, 0x20ea }
6175 };
6176
6177 /* disable aspm and clock request before access ephy */
6178 RTL_W8(Config2, RTL_R8(Config2) & ~ClkReqEn);
6179 RTL_W8(Config5, RTL_R8(Config5) & ~ASPM_en);
6180 rtl_ephy_init(tp, e_info_8168ep_2, ARRAY_SIZE(e_info_8168ep_2));
6181
6182 rtl_hw_start_8168ep(tp);
6183
6184 RTL_W8(DLLPR, RTL_R8(DLLPR) & ~PFM_EN);
6185 RTL_W8(DLLPR, RTL_R8(MISC_1) & ~PFM_D3COLD_EN);
6186 }
6187
rtl_hw_start_8168ep_3(struct rtl8169_private * tp)6188 static void rtl_hw_start_8168ep_3(struct rtl8169_private *tp)
6189 {
6190 void __iomem *ioaddr = tp->mmio_addr;
6191 u32 data;
6192 static const struct ephy_info e_info_8168ep_3[] = {
6193 { 0x00, 0xffff, 0x10a3 },
6194 { 0x19, 0xffff, 0x7c00 },
6195 { 0x1e, 0xffff, 0x20eb },
6196 { 0x0d, 0xffff, 0x1666 }
6197 };
6198
6199 /* disable aspm and clock request before access ephy */
6200 RTL_W8(Config2, RTL_R8(Config2) & ~ClkReqEn);
6201 RTL_W8(Config5, RTL_R8(Config5) & ~ASPM_en);
6202 rtl_ephy_init(tp, e_info_8168ep_3, ARRAY_SIZE(e_info_8168ep_3));
6203
6204 rtl_hw_start_8168ep(tp);
6205
6206 RTL_W8(DLLPR, RTL_R8(DLLPR) & ~PFM_EN);
6207 RTL_W8(DLLPR, RTL_R8(MISC_1) & ~PFM_D3COLD_EN);
6208
6209 data = r8168_mac_ocp_read(tp, 0xd3e2);
6210 data &= 0xf000;
6211 data |= 0x0271;
6212 r8168_mac_ocp_write(tp, 0xd3e2, data);
6213
6214 data = r8168_mac_ocp_read(tp, 0xd3e4);
6215 data &= 0xff00;
6216 r8168_mac_ocp_write(tp, 0xd3e4, data);
6217
6218 data = r8168_mac_ocp_read(tp, 0xe860);
6219 data |= 0x0080;
6220 r8168_mac_ocp_write(tp, 0xe860, data);
6221 }
6222
rtl_hw_start_8168(struct net_device * dev)6223 static void rtl_hw_start_8168(struct net_device *dev)
6224 {
6225 struct rtl8169_private *tp = netdev_priv(dev);
6226 void __iomem *ioaddr = tp->mmio_addr;
6227
6228 RTL_W8(Cfg9346, Cfg9346_Unlock);
6229
6230 RTL_W8(MaxTxPacketSize, TxPacketMax);
6231
6232 rtl_set_rx_max_size(ioaddr, rx_buf_sz);
6233
6234 tp->cp_cmd |= RTL_R16(CPlusCmd) | PktCntrDisable | INTT_1;
6235
6236 RTL_W16(CPlusCmd, tp->cp_cmd);
6237
6238 RTL_W16(IntrMitigate, 0x5151);
6239
6240 /* Work around for RxFIFO overflow. */
6241 if (tp->mac_version == RTL_GIGA_MAC_VER_11) {
6242 tp->event_slow |= RxFIFOOver | PCSTimeout;
6243 tp->event_slow &= ~RxOverflow;
6244 }
6245
6246 rtl_set_rx_tx_desc_registers(tp, ioaddr);
6247
6248 rtl_set_rx_tx_config_registers(tp);
6249
6250 RTL_R8(IntrMask);
6251
6252 switch (tp->mac_version) {
6253 case RTL_GIGA_MAC_VER_11:
6254 rtl_hw_start_8168bb(tp);
6255 break;
6256
6257 case RTL_GIGA_MAC_VER_12:
6258 case RTL_GIGA_MAC_VER_17:
6259 rtl_hw_start_8168bef(tp);
6260 break;
6261
6262 case RTL_GIGA_MAC_VER_18:
6263 rtl_hw_start_8168cp_1(tp);
6264 break;
6265
6266 case RTL_GIGA_MAC_VER_19:
6267 rtl_hw_start_8168c_1(tp);
6268 break;
6269
6270 case RTL_GIGA_MAC_VER_20:
6271 rtl_hw_start_8168c_2(tp);
6272 break;
6273
6274 case RTL_GIGA_MAC_VER_21:
6275 rtl_hw_start_8168c_3(tp);
6276 break;
6277
6278 case RTL_GIGA_MAC_VER_22:
6279 rtl_hw_start_8168c_4(tp);
6280 break;
6281
6282 case RTL_GIGA_MAC_VER_23:
6283 rtl_hw_start_8168cp_2(tp);
6284 break;
6285
6286 case RTL_GIGA_MAC_VER_24:
6287 rtl_hw_start_8168cp_3(tp);
6288 break;
6289
6290 case RTL_GIGA_MAC_VER_25:
6291 case RTL_GIGA_MAC_VER_26:
6292 case RTL_GIGA_MAC_VER_27:
6293 rtl_hw_start_8168d(tp);
6294 break;
6295
6296 case RTL_GIGA_MAC_VER_28:
6297 rtl_hw_start_8168d_4(tp);
6298 break;
6299
6300 case RTL_GIGA_MAC_VER_31:
6301 rtl_hw_start_8168dp(tp);
6302 break;
6303
6304 case RTL_GIGA_MAC_VER_32:
6305 case RTL_GIGA_MAC_VER_33:
6306 rtl_hw_start_8168e_1(tp);
6307 break;
6308 case RTL_GIGA_MAC_VER_34:
6309 rtl_hw_start_8168e_2(tp);
6310 break;
6311
6312 case RTL_GIGA_MAC_VER_35:
6313 case RTL_GIGA_MAC_VER_36:
6314 rtl_hw_start_8168f_1(tp);
6315 break;
6316
6317 case RTL_GIGA_MAC_VER_38:
6318 rtl_hw_start_8411(tp);
6319 break;
6320
6321 case RTL_GIGA_MAC_VER_40:
6322 case RTL_GIGA_MAC_VER_41:
6323 rtl_hw_start_8168g_1(tp);
6324 break;
6325 case RTL_GIGA_MAC_VER_42:
6326 rtl_hw_start_8168g_2(tp);
6327 break;
6328
6329 case RTL_GIGA_MAC_VER_44:
6330 rtl_hw_start_8411_2(tp);
6331 break;
6332
6333 case RTL_GIGA_MAC_VER_45:
6334 case RTL_GIGA_MAC_VER_46:
6335 rtl_hw_start_8168h_1(tp);
6336 break;
6337
6338 case RTL_GIGA_MAC_VER_49:
6339 rtl_hw_start_8168ep_1(tp);
6340 break;
6341
6342 case RTL_GIGA_MAC_VER_50:
6343 rtl_hw_start_8168ep_2(tp);
6344 break;
6345
6346 case RTL_GIGA_MAC_VER_51:
6347 rtl_hw_start_8168ep_3(tp);
6348 break;
6349
6350 default:
6351 printk(KERN_ERR PFX "%s: unknown chipset (mac_version = %d).\n",
6352 dev->name, tp->mac_version);
6353 break;
6354 }
6355
6356 RTL_W8(Cfg9346, Cfg9346_Lock);
6357
6358 RTL_W8(ChipCmd, CmdTxEnb | CmdRxEnb);
6359
6360 rtl_set_rx_mode(dev);
6361
6362 RTL_W16(MultiIntr, RTL_R16(MultiIntr) & 0xf000);
6363 }
6364
6365 #define R810X_CPCMD_QUIRK_MASK (\
6366 EnableBist | \
6367 Mac_dbgo_oe | \
6368 Force_half_dup | \
6369 Force_rxflow_en | \
6370 Force_txflow_en | \
6371 Cxpl_dbg_sel | \
6372 ASF | \
6373 PktCntrDisable | \
6374 Mac_dbgo_sel)
6375
rtl_hw_start_8102e_1(struct rtl8169_private * tp)6376 static void rtl_hw_start_8102e_1(struct rtl8169_private *tp)
6377 {
6378 void __iomem *ioaddr = tp->mmio_addr;
6379 struct pci_dev *pdev = tp->pci_dev;
6380 static const struct ephy_info e_info_8102e_1[] = {
6381 { 0x01, 0, 0x6e65 },
6382 { 0x02, 0, 0x091f },
6383 { 0x03, 0, 0xc2f9 },
6384 { 0x06, 0, 0xafb5 },
6385 { 0x07, 0, 0x0e00 },
6386 { 0x19, 0, 0xec80 },
6387 { 0x01, 0, 0x2e65 },
6388 { 0x01, 0, 0x6e65 }
6389 };
6390 u8 cfg1;
6391
6392 rtl_csi_access_enable_2(tp);
6393
6394 RTL_W8(DBG_REG, FIX_NAK_1);
6395
6396 rtl_tx_performance_tweak(pdev, 0x5 << MAX_READ_REQUEST_SHIFT);
6397
6398 RTL_W8(Config1,
6399 LEDS1 | LEDS0 | Speed_down | MEMMAP | IOMAP | VPD | PMEnable);
6400 RTL_W8(Config3, RTL_R8(Config3) & ~Beacon_en);
6401
6402 cfg1 = RTL_R8(Config1);
6403 if ((cfg1 & LEDS0) && (cfg1 & LEDS1))
6404 RTL_W8(Config1, cfg1 & ~LEDS0);
6405
6406 rtl_ephy_init(tp, e_info_8102e_1, ARRAY_SIZE(e_info_8102e_1));
6407 }
6408
rtl_hw_start_8102e_2(struct rtl8169_private * tp)6409 static void rtl_hw_start_8102e_2(struct rtl8169_private *tp)
6410 {
6411 void __iomem *ioaddr = tp->mmio_addr;
6412 struct pci_dev *pdev = tp->pci_dev;
6413
6414 rtl_csi_access_enable_2(tp);
6415
6416 rtl_tx_performance_tweak(pdev, 0x5 << MAX_READ_REQUEST_SHIFT);
6417
6418 RTL_W8(Config1, MEMMAP | IOMAP | VPD | PMEnable);
6419 RTL_W8(Config3, RTL_R8(Config3) & ~Beacon_en);
6420 }
6421
rtl_hw_start_8102e_3(struct rtl8169_private * tp)6422 static void rtl_hw_start_8102e_3(struct rtl8169_private *tp)
6423 {
6424 rtl_hw_start_8102e_2(tp);
6425
6426 rtl_ephy_write(tp, 0x03, 0xc2f9);
6427 }
6428
rtl_hw_start_8105e_1(struct rtl8169_private * tp)6429 static void rtl_hw_start_8105e_1(struct rtl8169_private *tp)
6430 {
6431 void __iomem *ioaddr = tp->mmio_addr;
6432 static const struct ephy_info e_info_8105e_1[] = {
6433 { 0x07, 0, 0x4000 },
6434 { 0x19, 0, 0x0200 },
6435 { 0x19, 0, 0x0020 },
6436 { 0x1e, 0, 0x2000 },
6437 { 0x03, 0, 0x0001 },
6438 { 0x19, 0, 0x0100 },
6439 { 0x19, 0, 0x0004 },
6440 { 0x0a, 0, 0x0020 }
6441 };
6442
6443 /* Force LAN exit from ASPM if Rx/Tx are not idle */
6444 RTL_W32(FuncEvent, RTL_R32(FuncEvent) | 0x002800);
6445
6446 /* Disable Early Tally Counter */
6447 RTL_W32(FuncEvent, RTL_R32(FuncEvent) & ~0x010000);
6448
6449 RTL_W8(MCU, RTL_R8(MCU) | EN_NDP | EN_OOB_RESET);
6450 RTL_W8(DLLPR, RTL_R8(DLLPR) | PFM_EN);
6451
6452 rtl_ephy_init(tp, e_info_8105e_1, ARRAY_SIZE(e_info_8105e_1));
6453
6454 rtl_pcie_state_l2l3_enable(tp, false);
6455 }
6456
rtl_hw_start_8105e_2(struct rtl8169_private * tp)6457 static void rtl_hw_start_8105e_2(struct rtl8169_private *tp)
6458 {
6459 rtl_hw_start_8105e_1(tp);
6460 rtl_ephy_write(tp, 0x1e, rtl_ephy_read(tp, 0x1e) | 0x8000);
6461 }
6462
rtl_hw_start_8402(struct rtl8169_private * tp)6463 static void rtl_hw_start_8402(struct rtl8169_private *tp)
6464 {
6465 void __iomem *ioaddr = tp->mmio_addr;
6466 static const struct ephy_info e_info_8402[] = {
6467 { 0x19, 0xffff, 0xff64 },
6468 { 0x1e, 0, 0x4000 }
6469 };
6470
6471 rtl_csi_access_enable_2(tp);
6472
6473 /* Force LAN exit from ASPM if Rx/Tx are not idle */
6474 RTL_W32(FuncEvent, RTL_R32(FuncEvent) | 0x002800);
6475
6476 RTL_W32(TxConfig, RTL_R32(TxConfig) | TXCFG_AUTO_FIFO);
6477 RTL_W8(MCU, RTL_R8(MCU) & ~NOW_IS_OOB);
6478
6479 rtl_ephy_init(tp, e_info_8402, ARRAY_SIZE(e_info_8402));
6480
6481 rtl_tx_performance_tweak(tp->pci_dev, 0x5 << MAX_READ_REQUEST_SHIFT);
6482
6483 rtl_eri_write(tp, 0xc8, ERIAR_MASK_1111, 0x00000002, ERIAR_EXGMAC);
6484 rtl_eri_write(tp, 0xe8, ERIAR_MASK_1111, 0x00000006, ERIAR_EXGMAC);
6485 rtl_w0w1_eri(tp, 0xdc, ERIAR_MASK_0001, 0x00, 0x01, ERIAR_EXGMAC);
6486 rtl_w0w1_eri(tp, 0xdc, ERIAR_MASK_0001, 0x01, 0x00, ERIAR_EXGMAC);
6487 rtl_eri_write(tp, 0xc0, ERIAR_MASK_0011, 0x0000, ERIAR_EXGMAC);
6488 rtl_eri_write(tp, 0xb8, ERIAR_MASK_0011, 0x0000, ERIAR_EXGMAC);
6489 rtl_w0w1_eri(tp, 0x0d4, ERIAR_MASK_0011, 0x0e00, 0xff00, ERIAR_EXGMAC);
6490
6491 rtl_pcie_state_l2l3_enable(tp, false);
6492 }
6493
rtl_hw_start_8106(struct rtl8169_private * tp)6494 static void rtl_hw_start_8106(struct rtl8169_private *tp)
6495 {
6496 void __iomem *ioaddr = tp->mmio_addr;
6497
6498 /* Force LAN exit from ASPM if Rx/Tx are not idle */
6499 RTL_W32(FuncEvent, RTL_R32(FuncEvent) | 0x002800);
6500
6501 RTL_W32(MISC, (RTL_R32(MISC) | DISABLE_LAN_EN) & ~EARLY_TALLY_EN);
6502 RTL_W8(MCU, RTL_R8(MCU) | EN_NDP | EN_OOB_RESET);
6503 RTL_W8(DLLPR, RTL_R8(DLLPR) & ~PFM_EN);
6504
6505 rtl_pcie_state_l2l3_enable(tp, false);
6506 }
6507
rtl_hw_start_8101(struct net_device * dev)6508 static void rtl_hw_start_8101(struct net_device *dev)
6509 {
6510 struct rtl8169_private *tp = netdev_priv(dev);
6511 void __iomem *ioaddr = tp->mmio_addr;
6512 struct pci_dev *pdev = tp->pci_dev;
6513
6514 if (tp->mac_version >= RTL_GIGA_MAC_VER_30)
6515 tp->event_slow &= ~RxFIFOOver;
6516
6517 if (tp->mac_version == RTL_GIGA_MAC_VER_13 ||
6518 tp->mac_version == RTL_GIGA_MAC_VER_16)
6519 pcie_capability_set_word(pdev, PCI_EXP_DEVCTL,
6520 PCI_EXP_DEVCTL_NOSNOOP_EN);
6521
6522 RTL_W8(Cfg9346, Cfg9346_Unlock);
6523
6524 RTL_W8(MaxTxPacketSize, TxPacketMax);
6525
6526 rtl_set_rx_max_size(ioaddr, rx_buf_sz);
6527
6528 tp->cp_cmd &= ~R810X_CPCMD_QUIRK_MASK;
6529 RTL_W16(CPlusCmd, tp->cp_cmd);
6530
6531 rtl_set_rx_tx_desc_registers(tp, ioaddr);
6532
6533 rtl_set_rx_tx_config_registers(tp);
6534
6535 switch (tp->mac_version) {
6536 case RTL_GIGA_MAC_VER_07:
6537 rtl_hw_start_8102e_1(tp);
6538 break;
6539
6540 case RTL_GIGA_MAC_VER_08:
6541 rtl_hw_start_8102e_3(tp);
6542 break;
6543
6544 case RTL_GIGA_MAC_VER_09:
6545 rtl_hw_start_8102e_2(tp);
6546 break;
6547
6548 case RTL_GIGA_MAC_VER_29:
6549 rtl_hw_start_8105e_1(tp);
6550 break;
6551 case RTL_GIGA_MAC_VER_30:
6552 rtl_hw_start_8105e_2(tp);
6553 break;
6554
6555 case RTL_GIGA_MAC_VER_37:
6556 rtl_hw_start_8402(tp);
6557 break;
6558
6559 case RTL_GIGA_MAC_VER_39:
6560 rtl_hw_start_8106(tp);
6561 break;
6562 case RTL_GIGA_MAC_VER_43:
6563 rtl_hw_start_8168g_2(tp);
6564 break;
6565 case RTL_GIGA_MAC_VER_47:
6566 case RTL_GIGA_MAC_VER_48:
6567 rtl_hw_start_8168h_1(tp);
6568 break;
6569 }
6570
6571 RTL_W8(Cfg9346, Cfg9346_Lock);
6572
6573 RTL_W16(IntrMitigate, 0x0000);
6574
6575 RTL_W8(ChipCmd, CmdTxEnb | CmdRxEnb);
6576
6577 rtl_set_rx_mode(dev);
6578
6579 RTL_R8(IntrMask);
6580
6581 RTL_W16(MultiIntr, RTL_R16(MultiIntr) & 0xf000);
6582 }
6583
rtl8169_change_mtu(struct net_device * dev,int new_mtu)6584 static int rtl8169_change_mtu(struct net_device *dev, int new_mtu)
6585 {
6586 struct rtl8169_private *tp = netdev_priv(dev);
6587
6588 if (new_mtu < ETH_ZLEN ||
6589 new_mtu > rtl_chip_infos[tp->mac_version].jumbo_max)
6590 return -EINVAL;
6591
6592 if (new_mtu > ETH_DATA_LEN)
6593 rtl_hw_jumbo_enable(tp);
6594 else
6595 rtl_hw_jumbo_disable(tp);
6596
6597 dev->mtu = new_mtu;
6598 netdev_update_features(dev);
6599
6600 return 0;
6601 }
6602
rtl8169_make_unusable_by_asic(struct RxDesc * desc)6603 static inline void rtl8169_make_unusable_by_asic(struct RxDesc *desc)
6604 {
6605 desc->addr = cpu_to_le64(0x0badbadbadbadbadull);
6606 desc->opts1 &= ~cpu_to_le32(DescOwn | RsvdMask);
6607 }
6608
rtl8169_free_rx_databuff(struct rtl8169_private * tp,void ** data_buff,struct RxDesc * desc)6609 static void rtl8169_free_rx_databuff(struct rtl8169_private *tp,
6610 void **data_buff, struct RxDesc *desc)
6611 {
6612 dma_unmap_single(&tp->pci_dev->dev, le64_to_cpu(desc->addr), rx_buf_sz,
6613 DMA_FROM_DEVICE);
6614
6615 kfree(*data_buff);
6616 *data_buff = NULL;
6617 rtl8169_make_unusable_by_asic(desc);
6618 }
6619
rtl8169_mark_to_asic(struct RxDesc * desc,u32 rx_buf_sz)6620 static inline void rtl8169_mark_to_asic(struct RxDesc *desc, u32 rx_buf_sz)
6621 {
6622 u32 eor = le32_to_cpu(desc->opts1) & RingEnd;
6623
6624 /* Force memory writes to complete before releasing descriptor */
6625 dma_wmb();
6626
6627 desc->opts1 = cpu_to_le32(DescOwn | eor | rx_buf_sz);
6628 }
6629
rtl8169_map_to_asic(struct RxDesc * desc,dma_addr_t mapping,u32 rx_buf_sz)6630 static inline void rtl8169_map_to_asic(struct RxDesc *desc, dma_addr_t mapping,
6631 u32 rx_buf_sz)
6632 {
6633 desc->addr = cpu_to_le64(mapping);
6634 rtl8169_mark_to_asic(desc, rx_buf_sz);
6635 }
6636
rtl8169_align(void * data)6637 static inline void *rtl8169_align(void *data)
6638 {
6639 return (void *)ALIGN((long)data, 16);
6640 }
6641
rtl8169_alloc_rx_data(struct rtl8169_private * tp,struct RxDesc * desc)6642 static struct sk_buff *rtl8169_alloc_rx_data(struct rtl8169_private *tp,
6643 struct RxDesc *desc)
6644 {
6645 void *data;
6646 dma_addr_t mapping;
6647 struct device *d = &tp->pci_dev->dev;
6648 struct net_device *dev = tp->dev;
6649 int node = dev->dev.parent ? dev_to_node(dev->dev.parent) : -1;
6650
6651 data = kmalloc_node(rx_buf_sz, GFP_KERNEL, node);
6652 if (!data)
6653 return NULL;
6654
6655 if (rtl8169_align(data) != data) {
6656 kfree(data);
6657 data = kmalloc_node(rx_buf_sz + 15, GFP_KERNEL, node);
6658 if (!data)
6659 return NULL;
6660 }
6661
6662 mapping = dma_map_single(d, rtl8169_align(data), rx_buf_sz,
6663 DMA_FROM_DEVICE);
6664 if (unlikely(dma_mapping_error(d, mapping))) {
6665 if (net_ratelimit())
6666 netif_err(tp, drv, tp->dev, "Failed to map RX DMA!\n");
6667 goto err_out;
6668 }
6669
6670 rtl8169_map_to_asic(desc, mapping, rx_buf_sz);
6671 return data;
6672
6673 err_out:
6674 kfree(data);
6675 return NULL;
6676 }
6677
rtl8169_rx_clear(struct rtl8169_private * tp)6678 static void rtl8169_rx_clear(struct rtl8169_private *tp)
6679 {
6680 unsigned int i;
6681
6682 for (i = 0; i < NUM_RX_DESC; i++) {
6683 if (tp->Rx_databuff[i]) {
6684 rtl8169_free_rx_databuff(tp, tp->Rx_databuff + i,
6685 tp->RxDescArray + i);
6686 }
6687 }
6688 }
6689
rtl8169_mark_as_last_descriptor(struct RxDesc * desc)6690 static inline void rtl8169_mark_as_last_descriptor(struct RxDesc *desc)
6691 {
6692 desc->opts1 |= cpu_to_le32(RingEnd);
6693 }
6694
rtl8169_rx_fill(struct rtl8169_private * tp)6695 static int rtl8169_rx_fill(struct rtl8169_private *tp)
6696 {
6697 unsigned int i;
6698
6699 for (i = 0; i < NUM_RX_DESC; i++) {
6700 void *data;
6701
6702 if (tp->Rx_databuff[i])
6703 continue;
6704
6705 data = rtl8169_alloc_rx_data(tp, tp->RxDescArray + i);
6706 if (!data) {
6707 rtl8169_make_unusable_by_asic(tp->RxDescArray + i);
6708 goto err_out;
6709 }
6710 tp->Rx_databuff[i] = data;
6711 }
6712
6713 rtl8169_mark_as_last_descriptor(tp->RxDescArray + NUM_RX_DESC - 1);
6714 return 0;
6715
6716 err_out:
6717 rtl8169_rx_clear(tp);
6718 return -ENOMEM;
6719 }
6720
rtl8169_init_ring(struct net_device * dev)6721 static int rtl8169_init_ring(struct net_device *dev)
6722 {
6723 struct rtl8169_private *tp = netdev_priv(dev);
6724
6725 rtl8169_init_ring_indexes(tp);
6726
6727 memset(tp->tx_skb, 0x0, NUM_TX_DESC * sizeof(struct ring_info));
6728 memset(tp->Rx_databuff, 0x0, NUM_RX_DESC * sizeof(void *));
6729
6730 return rtl8169_rx_fill(tp);
6731 }
6732
rtl8169_unmap_tx_skb(struct device * d,struct ring_info * tx_skb,struct TxDesc * desc)6733 static void rtl8169_unmap_tx_skb(struct device *d, struct ring_info *tx_skb,
6734 struct TxDesc *desc)
6735 {
6736 unsigned int len = tx_skb->len;
6737
6738 dma_unmap_single(d, le64_to_cpu(desc->addr), len, DMA_TO_DEVICE);
6739
6740 desc->opts1 = 0x00;
6741 desc->opts2 = 0x00;
6742 desc->addr = 0x00;
6743 tx_skb->len = 0;
6744 }
6745
rtl8169_tx_clear_range(struct rtl8169_private * tp,u32 start,unsigned int n)6746 static void rtl8169_tx_clear_range(struct rtl8169_private *tp, u32 start,
6747 unsigned int n)
6748 {
6749 unsigned int i;
6750
6751 for (i = 0; i < n; i++) {
6752 unsigned int entry = (start + i) % NUM_TX_DESC;
6753 struct ring_info *tx_skb = tp->tx_skb + entry;
6754 unsigned int len = tx_skb->len;
6755
6756 if (len) {
6757 struct sk_buff *skb = tx_skb->skb;
6758
6759 rtl8169_unmap_tx_skb(&tp->pci_dev->dev, tx_skb,
6760 tp->TxDescArray + entry);
6761 if (skb) {
6762 tp->dev->stats.tx_dropped++;
6763 dev_kfree_skb_any(skb);
6764 tx_skb->skb = NULL;
6765 }
6766 }
6767 }
6768 }
6769
rtl8169_tx_clear(struct rtl8169_private * tp)6770 static void rtl8169_tx_clear(struct rtl8169_private *tp)
6771 {
6772 rtl8169_tx_clear_range(tp, tp->dirty_tx, NUM_TX_DESC);
6773 tp->cur_tx = tp->dirty_tx = 0;
6774 }
6775
rtl_reset_work(struct rtl8169_private * tp)6776 static void rtl_reset_work(struct rtl8169_private *tp)
6777 {
6778 struct net_device *dev = tp->dev;
6779 int i;
6780
6781 napi_disable(&tp->napi);
6782 netif_stop_queue(dev);
6783 synchronize_sched();
6784
6785 rtl8169_hw_reset(tp);
6786
6787 for (i = 0; i < NUM_RX_DESC; i++)
6788 rtl8169_mark_to_asic(tp->RxDescArray + i, rx_buf_sz);
6789
6790 rtl8169_tx_clear(tp);
6791 rtl8169_init_ring_indexes(tp);
6792
6793 napi_enable(&tp->napi);
6794 rtl_hw_start(dev);
6795 netif_wake_queue(dev);
6796 rtl8169_check_link_status(dev, tp, tp->mmio_addr);
6797 }
6798
rtl8169_tx_timeout(struct net_device * dev)6799 static void rtl8169_tx_timeout(struct net_device *dev)
6800 {
6801 struct rtl8169_private *tp = netdev_priv(dev);
6802
6803 rtl_schedule_task(tp, RTL_FLAG_TASK_RESET_PENDING);
6804 }
6805
rtl8169_xmit_frags(struct rtl8169_private * tp,struct sk_buff * skb,u32 * opts)6806 static int rtl8169_xmit_frags(struct rtl8169_private *tp, struct sk_buff *skb,
6807 u32 *opts)
6808 {
6809 struct skb_shared_info *info = skb_shinfo(skb);
6810 unsigned int cur_frag, entry;
6811 struct TxDesc *uninitialized_var(txd);
6812 struct device *d = &tp->pci_dev->dev;
6813
6814 entry = tp->cur_tx;
6815 for (cur_frag = 0; cur_frag < info->nr_frags; cur_frag++) {
6816 const skb_frag_t *frag = info->frags + cur_frag;
6817 dma_addr_t mapping;
6818 u32 status, len;
6819 void *addr;
6820
6821 entry = (entry + 1) % NUM_TX_DESC;
6822
6823 txd = tp->TxDescArray + entry;
6824 len = skb_frag_size(frag);
6825 addr = skb_frag_address(frag);
6826 mapping = dma_map_single(d, addr, len, DMA_TO_DEVICE);
6827 if (unlikely(dma_mapping_error(d, mapping))) {
6828 if (net_ratelimit())
6829 netif_err(tp, drv, tp->dev,
6830 "Failed to map TX fragments DMA!\n");
6831 goto err_out;
6832 }
6833
6834 /* Anti gcc 2.95.3 bugware (sic) */
6835 status = opts[0] | len |
6836 (RingEnd * !((entry + 1) % NUM_TX_DESC));
6837
6838 txd->opts1 = cpu_to_le32(status);
6839 txd->opts2 = cpu_to_le32(opts[1]);
6840 txd->addr = cpu_to_le64(mapping);
6841
6842 tp->tx_skb[entry].len = len;
6843 }
6844
6845 if (cur_frag) {
6846 tp->tx_skb[entry].skb = skb;
6847 txd->opts1 |= cpu_to_le32(LastFrag);
6848 }
6849
6850 return cur_frag;
6851
6852 err_out:
6853 rtl8169_tx_clear_range(tp, tp->cur_tx + 1, cur_frag);
6854 return -EIO;
6855 }
6856
rtl_test_hw_pad_bug(struct rtl8169_private * tp,struct sk_buff * skb)6857 static bool rtl_test_hw_pad_bug(struct rtl8169_private *tp, struct sk_buff *skb)
6858 {
6859 return skb->len < ETH_ZLEN && tp->mac_version == RTL_GIGA_MAC_VER_34;
6860 }
6861
6862 static netdev_tx_t rtl8169_start_xmit(struct sk_buff *skb,
6863 struct net_device *dev);
6864 /* r8169_csum_workaround()
6865 * The hw limites the value the transport offset. When the offset is out of the
6866 * range, calculate the checksum by sw.
6867 */
r8169_csum_workaround(struct rtl8169_private * tp,struct sk_buff * skb)6868 static void r8169_csum_workaround(struct rtl8169_private *tp,
6869 struct sk_buff *skb)
6870 {
6871 if (skb_shinfo(skb)->gso_size) {
6872 netdev_features_t features = tp->dev->features;
6873 struct sk_buff *segs, *nskb;
6874
6875 features &= ~(NETIF_F_SG | NETIF_F_IPV6_CSUM | NETIF_F_TSO6);
6876 segs = skb_gso_segment(skb, features);
6877 if (IS_ERR(segs) || !segs)
6878 goto drop;
6879
6880 do {
6881 nskb = segs;
6882 segs = segs->next;
6883 nskb->next = NULL;
6884 rtl8169_start_xmit(nskb, tp->dev);
6885 } while (segs);
6886
6887 dev_consume_skb_any(skb);
6888 } else if (skb->ip_summed == CHECKSUM_PARTIAL) {
6889 if (skb_checksum_help(skb) < 0)
6890 goto drop;
6891
6892 rtl8169_start_xmit(skb, tp->dev);
6893 } else {
6894 struct net_device_stats *stats;
6895
6896 drop:
6897 stats = &tp->dev->stats;
6898 stats->tx_dropped++;
6899 dev_kfree_skb_any(skb);
6900 }
6901 }
6902
6903 /* msdn_giant_send_check()
6904 * According to the document of microsoft, the TCP Pseudo Header excludes the
6905 * packet length for IPv6 TCP large packets.
6906 */
msdn_giant_send_check(struct sk_buff * skb)6907 static int msdn_giant_send_check(struct sk_buff *skb)
6908 {
6909 const struct ipv6hdr *ipv6h;
6910 struct tcphdr *th;
6911 int ret;
6912
6913 ret = skb_cow_head(skb, 0);
6914 if (ret)
6915 return ret;
6916
6917 ipv6h = ipv6_hdr(skb);
6918 th = tcp_hdr(skb);
6919
6920 th->check = 0;
6921 th->check = ~tcp_v6_check(0, &ipv6h->saddr, &ipv6h->daddr, 0);
6922
6923 return ret;
6924 }
6925
get_protocol(struct sk_buff * skb)6926 static inline __be16 get_protocol(struct sk_buff *skb)
6927 {
6928 __be16 protocol;
6929
6930 if (skb->protocol == htons(ETH_P_8021Q))
6931 protocol = vlan_eth_hdr(skb)->h_vlan_encapsulated_proto;
6932 else
6933 protocol = skb->protocol;
6934
6935 return protocol;
6936 }
6937
rtl8169_tso_csum_v1(struct rtl8169_private * tp,struct sk_buff * skb,u32 * opts)6938 static bool rtl8169_tso_csum_v1(struct rtl8169_private *tp,
6939 struct sk_buff *skb, u32 *opts)
6940 {
6941 u32 mss = skb_shinfo(skb)->gso_size;
6942
6943 if (mss) {
6944 opts[0] |= TD_LSO;
6945 opts[0] |= min(mss, TD_MSS_MAX) << TD0_MSS_SHIFT;
6946 } else if (skb->ip_summed == CHECKSUM_PARTIAL) {
6947 const struct iphdr *ip = ip_hdr(skb);
6948
6949 if (ip->protocol == IPPROTO_TCP)
6950 opts[0] |= TD0_IP_CS | TD0_TCP_CS;
6951 else if (ip->protocol == IPPROTO_UDP)
6952 opts[0] |= TD0_IP_CS | TD0_UDP_CS;
6953 else
6954 WARN_ON_ONCE(1);
6955 }
6956
6957 return true;
6958 }
6959
rtl8169_tso_csum_v2(struct rtl8169_private * tp,struct sk_buff * skb,u32 * opts)6960 static bool rtl8169_tso_csum_v2(struct rtl8169_private *tp,
6961 struct sk_buff *skb, u32 *opts)
6962 {
6963 u32 transport_offset = (u32)skb_transport_offset(skb);
6964 u32 mss = skb_shinfo(skb)->gso_size;
6965
6966 if (mss) {
6967 if (transport_offset > GTTCPHO_MAX) {
6968 netif_warn(tp, tx_err, tp->dev,
6969 "Invalid transport offset 0x%x for TSO\n",
6970 transport_offset);
6971 return false;
6972 }
6973
6974 switch (get_protocol(skb)) {
6975 case htons(ETH_P_IP):
6976 opts[0] |= TD1_GTSENV4;
6977 break;
6978
6979 case htons(ETH_P_IPV6):
6980 if (msdn_giant_send_check(skb))
6981 return false;
6982
6983 opts[0] |= TD1_GTSENV6;
6984 break;
6985
6986 default:
6987 WARN_ON_ONCE(1);
6988 break;
6989 }
6990
6991 opts[0] |= transport_offset << GTTCPHO_SHIFT;
6992 opts[1] |= min(mss, TD_MSS_MAX) << TD1_MSS_SHIFT;
6993 } else if (skb->ip_summed == CHECKSUM_PARTIAL) {
6994 u8 ip_protocol;
6995
6996 if (unlikely(rtl_test_hw_pad_bug(tp, skb)))
6997 return !(skb_checksum_help(skb) || eth_skb_pad(skb));
6998
6999 if (transport_offset > TCPHO_MAX) {
7000 netif_warn(tp, tx_err, tp->dev,
7001 "Invalid transport offset 0x%x\n",
7002 transport_offset);
7003 return false;
7004 }
7005
7006 switch (get_protocol(skb)) {
7007 case htons(ETH_P_IP):
7008 opts[1] |= TD1_IPv4_CS;
7009 ip_protocol = ip_hdr(skb)->protocol;
7010 break;
7011
7012 case htons(ETH_P_IPV6):
7013 opts[1] |= TD1_IPv6_CS;
7014 ip_protocol = ipv6_hdr(skb)->nexthdr;
7015 break;
7016
7017 default:
7018 ip_protocol = IPPROTO_RAW;
7019 break;
7020 }
7021
7022 if (ip_protocol == IPPROTO_TCP)
7023 opts[1] |= TD1_TCP_CS;
7024 else if (ip_protocol == IPPROTO_UDP)
7025 opts[1] |= TD1_UDP_CS;
7026 else
7027 WARN_ON_ONCE(1);
7028
7029 opts[1] |= transport_offset << TCPHO_SHIFT;
7030 } else {
7031 if (unlikely(rtl_test_hw_pad_bug(tp, skb)))
7032 return !eth_skb_pad(skb);
7033 }
7034
7035 return true;
7036 }
7037
rtl8169_start_xmit(struct sk_buff * skb,struct net_device * dev)7038 static netdev_tx_t rtl8169_start_xmit(struct sk_buff *skb,
7039 struct net_device *dev)
7040 {
7041 struct rtl8169_private *tp = netdev_priv(dev);
7042 unsigned int entry = tp->cur_tx % NUM_TX_DESC;
7043 struct TxDesc *txd = tp->TxDescArray + entry;
7044 void __iomem *ioaddr = tp->mmio_addr;
7045 struct device *d = &tp->pci_dev->dev;
7046 dma_addr_t mapping;
7047 u32 status, len;
7048 u32 opts[2];
7049 int frags;
7050
7051 if (unlikely(!TX_FRAGS_READY_FOR(tp, skb_shinfo(skb)->nr_frags))) {
7052 netif_err(tp, drv, dev, "BUG! Tx Ring full when queue awake!\n");
7053 goto err_stop_0;
7054 }
7055
7056 if (unlikely(le32_to_cpu(txd->opts1) & DescOwn))
7057 goto err_stop_0;
7058
7059 opts[1] = cpu_to_le32(rtl8169_tx_vlan_tag(skb));
7060 opts[0] = DescOwn;
7061
7062 if (!tp->tso_csum(tp, skb, opts)) {
7063 r8169_csum_workaround(tp, skb);
7064 return NETDEV_TX_OK;
7065 }
7066
7067 len = skb_headlen(skb);
7068 mapping = dma_map_single(d, skb->data, len, DMA_TO_DEVICE);
7069 if (unlikely(dma_mapping_error(d, mapping))) {
7070 if (net_ratelimit())
7071 netif_err(tp, drv, dev, "Failed to map TX DMA!\n");
7072 goto err_dma_0;
7073 }
7074
7075 tp->tx_skb[entry].len = len;
7076 txd->addr = cpu_to_le64(mapping);
7077
7078 frags = rtl8169_xmit_frags(tp, skb, opts);
7079 if (frags < 0)
7080 goto err_dma_1;
7081 else if (frags)
7082 opts[0] |= FirstFrag;
7083 else {
7084 opts[0] |= FirstFrag | LastFrag;
7085 tp->tx_skb[entry].skb = skb;
7086 }
7087
7088 txd->opts2 = cpu_to_le32(opts[1]);
7089
7090 skb_tx_timestamp(skb);
7091
7092 /* Force memory writes to complete before releasing descriptor */
7093 dma_wmb();
7094
7095 /* Anti gcc 2.95.3 bugware (sic) */
7096 status = opts[0] | len | (RingEnd * !((entry + 1) % NUM_TX_DESC));
7097 txd->opts1 = cpu_to_le32(status);
7098
7099 /* Force all memory writes to complete before notifying device */
7100 wmb();
7101
7102 tp->cur_tx += frags + 1;
7103
7104 RTL_W8(TxPoll, NPQ);
7105
7106 mmiowb();
7107
7108 if (!TX_FRAGS_READY_FOR(tp, MAX_SKB_FRAGS)) {
7109 /* Avoid wrongly optimistic queue wake-up: rtl_tx thread must
7110 * not miss a ring update when it notices a stopped queue.
7111 */
7112 smp_wmb();
7113 netif_stop_queue(dev);
7114 /* Sync with rtl_tx:
7115 * - publish queue status and cur_tx ring index (write barrier)
7116 * - refresh dirty_tx ring index (read barrier).
7117 * May the current thread have a pessimistic view of the ring
7118 * status and forget to wake up queue, a racing rtl_tx thread
7119 * can't.
7120 */
7121 smp_mb();
7122 if (TX_FRAGS_READY_FOR(tp, MAX_SKB_FRAGS))
7123 netif_wake_queue(dev);
7124 }
7125
7126 return NETDEV_TX_OK;
7127
7128 err_dma_1:
7129 rtl8169_unmap_tx_skb(d, tp->tx_skb + entry, txd);
7130 err_dma_0:
7131 dev_kfree_skb_any(skb);
7132 dev->stats.tx_dropped++;
7133 return NETDEV_TX_OK;
7134
7135 err_stop_0:
7136 netif_stop_queue(dev);
7137 dev->stats.tx_dropped++;
7138 return NETDEV_TX_BUSY;
7139 }
7140
rtl8169_pcierr_interrupt(struct net_device * dev)7141 static void rtl8169_pcierr_interrupt(struct net_device *dev)
7142 {
7143 struct rtl8169_private *tp = netdev_priv(dev);
7144 struct pci_dev *pdev = tp->pci_dev;
7145 u16 pci_status, pci_cmd;
7146
7147 pci_read_config_word(pdev, PCI_COMMAND, &pci_cmd);
7148 pci_read_config_word(pdev, PCI_STATUS, &pci_status);
7149
7150 netif_err(tp, intr, dev, "PCI error (cmd = 0x%04x, status = 0x%04x)\n",
7151 pci_cmd, pci_status);
7152
7153 /*
7154 * The recovery sequence below admits a very elaborated explanation:
7155 * - it seems to work;
7156 * - I did not see what else could be done;
7157 * - it makes iop3xx happy.
7158 *
7159 * Feel free to adjust to your needs.
7160 */
7161 if (pdev->broken_parity_status)
7162 pci_cmd &= ~PCI_COMMAND_PARITY;
7163 else
7164 pci_cmd |= PCI_COMMAND_SERR | PCI_COMMAND_PARITY;
7165
7166 pci_write_config_word(pdev, PCI_COMMAND, pci_cmd);
7167
7168 pci_write_config_word(pdev, PCI_STATUS,
7169 pci_status & (PCI_STATUS_DETECTED_PARITY |
7170 PCI_STATUS_SIG_SYSTEM_ERROR | PCI_STATUS_REC_MASTER_ABORT |
7171 PCI_STATUS_REC_TARGET_ABORT | PCI_STATUS_SIG_TARGET_ABORT));
7172
7173 /* The infamous DAC f*ckup only happens at boot time */
7174 if ((tp->cp_cmd & PCIDAC) && !tp->cur_rx) {
7175 void __iomem *ioaddr = tp->mmio_addr;
7176
7177 netif_info(tp, intr, dev, "disabling PCI DAC\n");
7178 tp->cp_cmd &= ~PCIDAC;
7179 RTL_W16(CPlusCmd, tp->cp_cmd);
7180 dev->features &= ~NETIF_F_HIGHDMA;
7181 }
7182
7183 rtl8169_hw_reset(tp);
7184
7185 rtl_schedule_task(tp, RTL_FLAG_TASK_RESET_PENDING);
7186 }
7187
rtl_tx(struct net_device * dev,struct rtl8169_private * tp)7188 static void rtl_tx(struct net_device *dev, struct rtl8169_private *tp)
7189 {
7190 unsigned int dirty_tx, tx_left;
7191
7192 dirty_tx = tp->dirty_tx;
7193 smp_rmb();
7194 tx_left = tp->cur_tx - dirty_tx;
7195
7196 while (tx_left > 0) {
7197 unsigned int entry = dirty_tx % NUM_TX_DESC;
7198 struct ring_info *tx_skb = tp->tx_skb + entry;
7199 u32 status;
7200
7201 status = le32_to_cpu(tp->TxDescArray[entry].opts1);
7202 if (status & DescOwn)
7203 break;
7204
7205 /* This barrier is needed to keep us from reading
7206 * any other fields out of the Tx descriptor until
7207 * we know the status of DescOwn
7208 */
7209 dma_rmb();
7210
7211 rtl8169_unmap_tx_skb(&tp->pci_dev->dev, tx_skb,
7212 tp->TxDescArray + entry);
7213 if (status & LastFrag) {
7214 u64_stats_update_begin(&tp->tx_stats.syncp);
7215 tp->tx_stats.packets++;
7216 tp->tx_stats.bytes += tx_skb->skb->len;
7217 u64_stats_update_end(&tp->tx_stats.syncp);
7218 dev_kfree_skb_any(tx_skb->skb);
7219 tx_skb->skb = NULL;
7220 }
7221 dirty_tx++;
7222 tx_left--;
7223 }
7224
7225 if (tp->dirty_tx != dirty_tx) {
7226 tp->dirty_tx = dirty_tx;
7227 /* Sync with rtl8169_start_xmit:
7228 * - publish dirty_tx ring index (write barrier)
7229 * - refresh cur_tx ring index and queue status (read barrier)
7230 * May the current thread miss the stopped queue condition,
7231 * a racing xmit thread can only have a right view of the
7232 * ring status.
7233 */
7234 smp_mb();
7235 if (netif_queue_stopped(dev) &&
7236 TX_FRAGS_READY_FOR(tp, MAX_SKB_FRAGS)) {
7237 netif_wake_queue(dev);
7238 }
7239 /*
7240 * 8168 hack: TxPoll requests are lost when the Tx packets are
7241 * too close. Let's kick an extra TxPoll request when a burst
7242 * of start_xmit activity is detected (if it is not detected,
7243 * it is slow enough). -- FR
7244 */
7245 if (tp->cur_tx != dirty_tx) {
7246 void __iomem *ioaddr = tp->mmio_addr;
7247
7248 RTL_W8(TxPoll, NPQ);
7249 }
7250 }
7251 }
7252
rtl8169_fragmented_frame(u32 status)7253 static inline int rtl8169_fragmented_frame(u32 status)
7254 {
7255 return (status & (FirstFrag | LastFrag)) != (FirstFrag | LastFrag);
7256 }
7257
rtl8169_rx_csum(struct sk_buff * skb,u32 opts1)7258 static inline void rtl8169_rx_csum(struct sk_buff *skb, u32 opts1)
7259 {
7260 u32 status = opts1 & RxProtoMask;
7261
7262 if (((status == RxProtoTCP) && !(opts1 & TCPFail)) ||
7263 ((status == RxProtoUDP) && !(opts1 & UDPFail)))
7264 skb->ip_summed = CHECKSUM_UNNECESSARY;
7265 else
7266 skb_checksum_none_assert(skb);
7267 }
7268
rtl8169_try_rx_copy(void * data,struct rtl8169_private * tp,int pkt_size,dma_addr_t addr)7269 static struct sk_buff *rtl8169_try_rx_copy(void *data,
7270 struct rtl8169_private *tp,
7271 int pkt_size,
7272 dma_addr_t addr)
7273 {
7274 struct sk_buff *skb;
7275 struct device *d = &tp->pci_dev->dev;
7276
7277 data = rtl8169_align(data);
7278 dma_sync_single_for_cpu(d, addr, pkt_size, DMA_FROM_DEVICE);
7279 prefetch(data);
7280 skb = napi_alloc_skb(&tp->napi, pkt_size);
7281 if (skb)
7282 memcpy(skb->data, data, pkt_size);
7283 dma_sync_single_for_device(d, addr, pkt_size, DMA_FROM_DEVICE);
7284
7285 return skb;
7286 }
7287
rtl_rx(struct net_device * dev,struct rtl8169_private * tp,u32 budget)7288 static int rtl_rx(struct net_device *dev, struct rtl8169_private *tp, u32 budget)
7289 {
7290 unsigned int cur_rx, rx_left;
7291 unsigned int count;
7292
7293 cur_rx = tp->cur_rx;
7294
7295 for (rx_left = min(budget, NUM_RX_DESC); rx_left > 0; rx_left--, cur_rx++) {
7296 unsigned int entry = cur_rx % NUM_RX_DESC;
7297 struct RxDesc *desc = tp->RxDescArray + entry;
7298 u32 status;
7299
7300 status = le32_to_cpu(desc->opts1) & tp->opts1_mask;
7301 if (status & DescOwn)
7302 break;
7303
7304 /* This barrier is needed to keep us from reading
7305 * any other fields out of the Rx descriptor until
7306 * we know the status of DescOwn
7307 */
7308 dma_rmb();
7309
7310 if (unlikely(status & RxRES)) {
7311 netif_info(tp, rx_err, dev, "Rx ERROR. status = %08x\n",
7312 status);
7313 dev->stats.rx_errors++;
7314 if (status & (RxRWT | RxRUNT))
7315 dev->stats.rx_length_errors++;
7316 if (status & RxCRC)
7317 dev->stats.rx_crc_errors++;
7318 if (status & RxFOVF) {
7319 rtl_schedule_task(tp, RTL_FLAG_TASK_RESET_PENDING);
7320 dev->stats.rx_fifo_errors++;
7321 }
7322 if ((status & (RxRUNT | RxCRC)) &&
7323 !(status & (RxRWT | RxFOVF)) &&
7324 (dev->features & NETIF_F_RXALL))
7325 goto process_pkt;
7326 } else {
7327 struct sk_buff *skb;
7328 dma_addr_t addr;
7329 int pkt_size;
7330
7331 process_pkt:
7332 addr = le64_to_cpu(desc->addr);
7333 if (likely(!(dev->features & NETIF_F_RXFCS)))
7334 pkt_size = (status & 0x00003fff) - 4;
7335 else
7336 pkt_size = status & 0x00003fff;
7337
7338 /*
7339 * The driver does not support incoming fragmented
7340 * frames. They are seen as a symptom of over-mtu
7341 * sized frames.
7342 */
7343 if (unlikely(rtl8169_fragmented_frame(status))) {
7344 dev->stats.rx_dropped++;
7345 dev->stats.rx_length_errors++;
7346 goto release_descriptor;
7347 }
7348
7349 skb = rtl8169_try_rx_copy(tp->Rx_databuff[entry],
7350 tp, pkt_size, addr);
7351 if (!skb) {
7352 dev->stats.rx_dropped++;
7353 goto release_descriptor;
7354 }
7355
7356 rtl8169_rx_csum(skb, status);
7357 skb_put(skb, pkt_size);
7358 skb->protocol = eth_type_trans(skb, dev);
7359
7360 rtl8169_rx_vlan_tag(desc, skb);
7361
7362 napi_gro_receive(&tp->napi, skb);
7363
7364 u64_stats_update_begin(&tp->rx_stats.syncp);
7365 tp->rx_stats.packets++;
7366 tp->rx_stats.bytes += pkt_size;
7367 u64_stats_update_end(&tp->rx_stats.syncp);
7368 }
7369 release_descriptor:
7370 desc->opts2 = 0;
7371 rtl8169_mark_to_asic(desc, rx_buf_sz);
7372 }
7373
7374 count = cur_rx - tp->cur_rx;
7375 tp->cur_rx = cur_rx;
7376
7377 return count;
7378 }
7379
rtl8169_interrupt(int irq,void * dev_instance)7380 static irqreturn_t rtl8169_interrupt(int irq, void *dev_instance)
7381 {
7382 struct net_device *dev = dev_instance;
7383 struct rtl8169_private *tp = netdev_priv(dev);
7384 int handled = 0;
7385 u16 status;
7386
7387 status = rtl_get_events(tp);
7388 if (status && status != 0xffff) {
7389 status &= RTL_EVENT_NAPI | tp->event_slow;
7390 if (status) {
7391 handled = 1;
7392
7393 rtl_irq_disable(tp);
7394 napi_schedule(&tp->napi);
7395 }
7396 }
7397 return IRQ_RETVAL(handled);
7398 }
7399
7400 /*
7401 * Workqueue context.
7402 */
rtl_slow_event_work(struct rtl8169_private * tp)7403 static void rtl_slow_event_work(struct rtl8169_private *tp)
7404 {
7405 struct net_device *dev = tp->dev;
7406 u16 status;
7407
7408 status = rtl_get_events(tp) & tp->event_slow;
7409 rtl_ack_events(tp, status);
7410
7411 if (unlikely(status & RxFIFOOver)) {
7412 switch (tp->mac_version) {
7413 /* Work around for rx fifo overflow */
7414 case RTL_GIGA_MAC_VER_11:
7415 netif_stop_queue(dev);
7416 /* XXX - Hack alert. See rtl_task(). */
7417 set_bit(RTL_FLAG_TASK_RESET_PENDING, tp->wk.flags);
7418 default:
7419 break;
7420 }
7421 }
7422
7423 if (unlikely(status & SYSErr))
7424 rtl8169_pcierr_interrupt(dev);
7425
7426 if (status & LinkChg)
7427 __rtl8169_check_link_status(dev, tp, tp->mmio_addr, true);
7428
7429 rtl_irq_enable_all(tp);
7430 }
7431
rtl_task(struct work_struct * work)7432 static void rtl_task(struct work_struct *work)
7433 {
7434 static const struct {
7435 int bitnr;
7436 void (*action)(struct rtl8169_private *);
7437 } rtl_work[] = {
7438 /* XXX - keep rtl_slow_event_work() as first element. */
7439 { RTL_FLAG_TASK_SLOW_PENDING, rtl_slow_event_work },
7440 { RTL_FLAG_TASK_RESET_PENDING, rtl_reset_work },
7441 { RTL_FLAG_TASK_PHY_PENDING, rtl_phy_work }
7442 };
7443 struct rtl8169_private *tp =
7444 container_of(work, struct rtl8169_private, wk.work);
7445 struct net_device *dev = tp->dev;
7446 int i;
7447
7448 rtl_lock_work(tp);
7449
7450 if (!netif_running(dev) ||
7451 !test_bit(RTL_FLAG_TASK_ENABLED, tp->wk.flags))
7452 goto out_unlock;
7453
7454 for (i = 0; i < ARRAY_SIZE(rtl_work); i++) {
7455 bool pending;
7456
7457 pending = test_and_clear_bit(rtl_work[i].bitnr, tp->wk.flags);
7458 if (pending)
7459 rtl_work[i].action(tp);
7460 }
7461
7462 out_unlock:
7463 rtl_unlock_work(tp);
7464 }
7465
rtl8169_poll(struct napi_struct * napi,int budget)7466 static int rtl8169_poll(struct napi_struct *napi, int budget)
7467 {
7468 struct rtl8169_private *tp = container_of(napi, struct rtl8169_private, napi);
7469 struct net_device *dev = tp->dev;
7470 u16 enable_mask = RTL_EVENT_NAPI | tp->event_slow;
7471 int work_done= 0;
7472 u16 status;
7473
7474 status = rtl_get_events(tp);
7475 rtl_ack_events(tp, status & ~tp->event_slow);
7476
7477 if (status & RTL_EVENT_NAPI_RX)
7478 work_done = rtl_rx(dev, tp, (u32) budget);
7479
7480 if (status & RTL_EVENT_NAPI_TX)
7481 rtl_tx(dev, tp);
7482
7483 if (status & tp->event_slow) {
7484 enable_mask &= ~tp->event_slow;
7485
7486 rtl_schedule_task(tp, RTL_FLAG_TASK_SLOW_PENDING);
7487 }
7488
7489 if (work_done < budget) {
7490 napi_complete(napi);
7491
7492 rtl_irq_enable(tp, enable_mask);
7493 mmiowb();
7494 }
7495
7496 return work_done;
7497 }
7498
rtl8169_rx_missed(struct net_device * dev,void __iomem * ioaddr)7499 static void rtl8169_rx_missed(struct net_device *dev, void __iomem *ioaddr)
7500 {
7501 struct rtl8169_private *tp = netdev_priv(dev);
7502
7503 if (tp->mac_version > RTL_GIGA_MAC_VER_06)
7504 return;
7505
7506 dev->stats.rx_missed_errors += (RTL_R32(RxMissed) & 0xffffff);
7507 RTL_W32(RxMissed, 0);
7508 }
7509
rtl8169_down(struct net_device * dev)7510 static void rtl8169_down(struct net_device *dev)
7511 {
7512 struct rtl8169_private *tp = netdev_priv(dev);
7513 void __iomem *ioaddr = tp->mmio_addr;
7514
7515 del_timer_sync(&tp->timer);
7516
7517 napi_disable(&tp->napi);
7518 netif_stop_queue(dev);
7519
7520 rtl8169_hw_reset(tp);
7521 /*
7522 * At this point device interrupts can not be enabled in any function,
7523 * as netif_running is not true (rtl8169_interrupt, rtl8169_reset_task)
7524 * and napi is disabled (rtl8169_poll).
7525 */
7526 rtl8169_rx_missed(dev, ioaddr);
7527
7528 /* Give a racing hard_start_xmit a few cycles to complete. */
7529 synchronize_sched();
7530
7531 rtl8169_tx_clear(tp);
7532
7533 rtl8169_rx_clear(tp);
7534
7535 rtl_pll_power_down(tp);
7536 }
7537
rtl8169_close(struct net_device * dev)7538 static int rtl8169_close(struct net_device *dev)
7539 {
7540 struct rtl8169_private *tp = netdev_priv(dev);
7541 struct pci_dev *pdev = tp->pci_dev;
7542
7543 pm_runtime_get_sync(&pdev->dev);
7544
7545 /* Update counters before going down */
7546 rtl8169_update_counters(dev);
7547
7548 rtl_lock_work(tp);
7549 clear_bit(RTL_FLAG_TASK_ENABLED, tp->wk.flags);
7550
7551 rtl8169_down(dev);
7552 rtl_unlock_work(tp);
7553
7554 cancel_work_sync(&tp->wk.work);
7555
7556 free_irq(pdev->irq, dev);
7557
7558 dma_free_coherent(&pdev->dev, R8169_RX_RING_BYTES, tp->RxDescArray,
7559 tp->RxPhyAddr);
7560 dma_free_coherent(&pdev->dev, R8169_TX_RING_BYTES, tp->TxDescArray,
7561 tp->TxPhyAddr);
7562 tp->TxDescArray = NULL;
7563 tp->RxDescArray = NULL;
7564
7565 pm_runtime_put_sync(&pdev->dev);
7566
7567 return 0;
7568 }
7569
7570 #ifdef CONFIG_NET_POLL_CONTROLLER
rtl8169_netpoll(struct net_device * dev)7571 static void rtl8169_netpoll(struct net_device *dev)
7572 {
7573 struct rtl8169_private *tp = netdev_priv(dev);
7574
7575 rtl8169_interrupt(tp->pci_dev->irq, dev);
7576 }
7577 #endif
7578
rtl_open(struct net_device * dev)7579 static int rtl_open(struct net_device *dev)
7580 {
7581 struct rtl8169_private *tp = netdev_priv(dev);
7582 void __iomem *ioaddr = tp->mmio_addr;
7583 struct pci_dev *pdev = tp->pci_dev;
7584 int retval = -ENOMEM;
7585
7586 pm_runtime_get_sync(&pdev->dev);
7587
7588 /*
7589 * Rx and Tx descriptors needs 256 bytes alignment.
7590 * dma_alloc_coherent provides more.
7591 */
7592 tp->TxDescArray = dma_alloc_coherent(&pdev->dev, R8169_TX_RING_BYTES,
7593 &tp->TxPhyAddr, GFP_KERNEL);
7594 if (!tp->TxDescArray)
7595 goto err_pm_runtime_put;
7596
7597 tp->RxDescArray = dma_alloc_coherent(&pdev->dev, R8169_RX_RING_BYTES,
7598 &tp->RxPhyAddr, GFP_KERNEL);
7599 if (!tp->RxDescArray)
7600 goto err_free_tx_0;
7601
7602 retval = rtl8169_init_ring(dev);
7603 if (retval < 0)
7604 goto err_free_rx_1;
7605
7606 INIT_WORK(&tp->wk.work, rtl_task);
7607
7608 smp_mb();
7609
7610 rtl_request_firmware(tp);
7611
7612 retval = request_irq(pdev->irq, rtl8169_interrupt,
7613 (tp->features & RTL_FEATURE_MSI) ? 0 : IRQF_SHARED,
7614 dev->name, dev);
7615 if (retval < 0)
7616 goto err_release_fw_2;
7617
7618 rtl_lock_work(tp);
7619
7620 set_bit(RTL_FLAG_TASK_ENABLED, tp->wk.flags);
7621
7622 napi_enable(&tp->napi);
7623
7624 rtl8169_init_phy(dev, tp);
7625
7626 __rtl8169_set_features(dev, dev->features);
7627
7628 rtl_pll_power_up(tp);
7629
7630 rtl_hw_start(dev);
7631
7632 netif_start_queue(dev);
7633
7634 rtl_unlock_work(tp);
7635
7636 tp->saved_wolopts = 0;
7637 pm_runtime_put_noidle(&pdev->dev);
7638
7639 rtl8169_check_link_status(dev, tp, ioaddr);
7640 out:
7641 return retval;
7642
7643 err_release_fw_2:
7644 rtl_release_firmware(tp);
7645 rtl8169_rx_clear(tp);
7646 err_free_rx_1:
7647 dma_free_coherent(&pdev->dev, R8169_RX_RING_BYTES, tp->RxDescArray,
7648 tp->RxPhyAddr);
7649 tp->RxDescArray = NULL;
7650 err_free_tx_0:
7651 dma_free_coherent(&pdev->dev, R8169_TX_RING_BYTES, tp->TxDescArray,
7652 tp->TxPhyAddr);
7653 tp->TxDescArray = NULL;
7654 err_pm_runtime_put:
7655 pm_runtime_put_noidle(&pdev->dev);
7656 goto out;
7657 }
7658
7659 static struct rtnl_link_stats64 *
rtl8169_get_stats64(struct net_device * dev,struct rtnl_link_stats64 * stats)7660 rtl8169_get_stats64(struct net_device *dev, struct rtnl_link_stats64 *stats)
7661 {
7662 struct rtl8169_private *tp = netdev_priv(dev);
7663 void __iomem *ioaddr = tp->mmio_addr;
7664 unsigned int start;
7665
7666 if (netif_running(dev))
7667 rtl8169_rx_missed(dev, ioaddr);
7668
7669 do {
7670 start = u64_stats_fetch_begin_irq(&tp->rx_stats.syncp);
7671 stats->rx_packets = tp->rx_stats.packets;
7672 stats->rx_bytes = tp->rx_stats.bytes;
7673 } while (u64_stats_fetch_retry_irq(&tp->rx_stats.syncp, start));
7674
7675
7676 do {
7677 start = u64_stats_fetch_begin_irq(&tp->tx_stats.syncp);
7678 stats->tx_packets = tp->tx_stats.packets;
7679 stats->tx_bytes = tp->tx_stats.bytes;
7680 } while (u64_stats_fetch_retry_irq(&tp->tx_stats.syncp, start));
7681
7682 stats->rx_dropped = dev->stats.rx_dropped;
7683 stats->tx_dropped = dev->stats.tx_dropped;
7684 stats->rx_length_errors = dev->stats.rx_length_errors;
7685 stats->rx_errors = dev->stats.rx_errors;
7686 stats->rx_crc_errors = dev->stats.rx_crc_errors;
7687 stats->rx_fifo_errors = dev->stats.rx_fifo_errors;
7688 stats->rx_missed_errors = dev->stats.rx_missed_errors;
7689
7690 return stats;
7691 }
7692
rtl8169_net_suspend(struct net_device * dev)7693 static void rtl8169_net_suspend(struct net_device *dev)
7694 {
7695 struct rtl8169_private *tp = netdev_priv(dev);
7696
7697 if (!netif_running(dev))
7698 return;
7699
7700 netif_device_detach(dev);
7701 netif_stop_queue(dev);
7702
7703 rtl_lock_work(tp);
7704 napi_disable(&tp->napi);
7705 clear_bit(RTL_FLAG_TASK_ENABLED, tp->wk.flags);
7706 rtl_unlock_work(tp);
7707
7708 rtl_pll_power_down(tp);
7709 }
7710
7711 #ifdef CONFIG_PM
7712
rtl8169_suspend(struct device * device)7713 static int rtl8169_suspend(struct device *device)
7714 {
7715 struct pci_dev *pdev = to_pci_dev(device);
7716 struct net_device *dev = pci_get_drvdata(pdev);
7717
7718 rtl8169_net_suspend(dev);
7719
7720 return 0;
7721 }
7722
__rtl8169_resume(struct net_device * dev)7723 static void __rtl8169_resume(struct net_device *dev)
7724 {
7725 struct rtl8169_private *tp = netdev_priv(dev);
7726
7727 netif_device_attach(dev);
7728
7729 rtl_pll_power_up(tp);
7730
7731 rtl_lock_work(tp);
7732 napi_enable(&tp->napi);
7733 set_bit(RTL_FLAG_TASK_ENABLED, tp->wk.flags);
7734 rtl_unlock_work(tp);
7735
7736 rtl_schedule_task(tp, RTL_FLAG_TASK_RESET_PENDING);
7737 }
7738
rtl8169_resume(struct device * device)7739 static int rtl8169_resume(struct device *device)
7740 {
7741 struct pci_dev *pdev = to_pci_dev(device);
7742 struct net_device *dev = pci_get_drvdata(pdev);
7743 struct rtl8169_private *tp = netdev_priv(dev);
7744
7745 rtl8169_init_phy(dev, tp);
7746
7747 if (netif_running(dev))
7748 __rtl8169_resume(dev);
7749
7750 return 0;
7751 }
7752
rtl8169_runtime_suspend(struct device * device)7753 static int rtl8169_runtime_suspend(struct device *device)
7754 {
7755 struct pci_dev *pdev = to_pci_dev(device);
7756 struct net_device *dev = pci_get_drvdata(pdev);
7757 struct rtl8169_private *tp = netdev_priv(dev);
7758
7759 if (!tp->TxDescArray)
7760 return 0;
7761
7762 rtl_lock_work(tp);
7763 tp->saved_wolopts = __rtl8169_get_wol(tp);
7764 __rtl8169_set_wol(tp, WAKE_ANY);
7765 rtl_unlock_work(tp);
7766
7767 rtl8169_net_suspend(dev);
7768
7769 return 0;
7770 }
7771
rtl8169_runtime_resume(struct device * device)7772 static int rtl8169_runtime_resume(struct device *device)
7773 {
7774 struct pci_dev *pdev = to_pci_dev(device);
7775 struct net_device *dev = pci_get_drvdata(pdev);
7776 struct rtl8169_private *tp = netdev_priv(dev);
7777
7778 if (!tp->TxDescArray)
7779 return 0;
7780
7781 rtl_lock_work(tp);
7782 __rtl8169_set_wol(tp, tp->saved_wolopts);
7783 tp->saved_wolopts = 0;
7784 rtl_unlock_work(tp);
7785
7786 rtl8169_init_phy(dev, tp);
7787
7788 __rtl8169_resume(dev);
7789
7790 return 0;
7791 }
7792
rtl8169_runtime_idle(struct device * device)7793 static int rtl8169_runtime_idle(struct device *device)
7794 {
7795 struct pci_dev *pdev = to_pci_dev(device);
7796 struct net_device *dev = pci_get_drvdata(pdev);
7797 struct rtl8169_private *tp = netdev_priv(dev);
7798
7799 return tp->TxDescArray ? -EBUSY : 0;
7800 }
7801
7802 static const struct dev_pm_ops rtl8169_pm_ops = {
7803 .suspend = rtl8169_suspend,
7804 .resume = rtl8169_resume,
7805 .freeze = rtl8169_suspend,
7806 .thaw = rtl8169_resume,
7807 .poweroff = rtl8169_suspend,
7808 .restore = rtl8169_resume,
7809 .runtime_suspend = rtl8169_runtime_suspend,
7810 .runtime_resume = rtl8169_runtime_resume,
7811 .runtime_idle = rtl8169_runtime_idle,
7812 };
7813
7814 #define RTL8169_PM_OPS (&rtl8169_pm_ops)
7815
7816 #else /* !CONFIG_PM */
7817
7818 #define RTL8169_PM_OPS NULL
7819
7820 #endif /* !CONFIG_PM */
7821
rtl_wol_shutdown_quirk(struct rtl8169_private * tp)7822 static void rtl_wol_shutdown_quirk(struct rtl8169_private *tp)
7823 {
7824 void __iomem *ioaddr = tp->mmio_addr;
7825
7826 /* WoL fails with 8168b when the receiver is disabled. */
7827 switch (tp->mac_version) {
7828 case RTL_GIGA_MAC_VER_11:
7829 case RTL_GIGA_MAC_VER_12:
7830 case RTL_GIGA_MAC_VER_17:
7831 pci_clear_master(tp->pci_dev);
7832
7833 RTL_W8(ChipCmd, CmdRxEnb);
7834 /* PCI commit */
7835 RTL_R8(ChipCmd);
7836 break;
7837 default:
7838 break;
7839 }
7840 }
7841
rtl_shutdown(struct pci_dev * pdev)7842 static void rtl_shutdown(struct pci_dev *pdev)
7843 {
7844 struct net_device *dev = pci_get_drvdata(pdev);
7845 struct rtl8169_private *tp = netdev_priv(dev);
7846 struct device *d = &pdev->dev;
7847
7848 pm_runtime_get_sync(d);
7849
7850 rtl8169_net_suspend(dev);
7851
7852 /* Restore original MAC address */
7853 rtl_rar_set(tp, dev->perm_addr);
7854
7855 rtl8169_hw_reset(tp);
7856
7857 if (system_state == SYSTEM_POWER_OFF) {
7858 if (__rtl8169_get_wol(tp) & WAKE_ANY) {
7859 rtl_wol_suspend_quirk(tp);
7860 rtl_wol_shutdown_quirk(tp);
7861 }
7862
7863 pci_wake_from_d3(pdev, true);
7864 pci_set_power_state(pdev, PCI_D3hot);
7865 }
7866
7867 pm_runtime_put_noidle(d);
7868 }
7869
rtl_remove_one(struct pci_dev * pdev)7870 static void rtl_remove_one(struct pci_dev *pdev)
7871 {
7872 struct net_device *dev = pci_get_drvdata(pdev);
7873 struct rtl8169_private *tp = netdev_priv(dev);
7874
7875 if ((tp->mac_version == RTL_GIGA_MAC_VER_27 ||
7876 tp->mac_version == RTL_GIGA_MAC_VER_28 ||
7877 tp->mac_version == RTL_GIGA_MAC_VER_31 ||
7878 tp->mac_version == RTL_GIGA_MAC_VER_49 ||
7879 tp->mac_version == RTL_GIGA_MAC_VER_50 ||
7880 tp->mac_version == RTL_GIGA_MAC_VER_51) &&
7881 r8168_check_dash(tp)) {
7882 rtl8168_driver_stop(tp);
7883 }
7884
7885 netif_napi_del(&tp->napi);
7886
7887 unregister_netdev(dev);
7888
7889 rtl_release_firmware(tp);
7890
7891 if (pci_dev_run_wake(pdev))
7892 pm_runtime_get_noresume(&pdev->dev);
7893
7894 /* restore original MAC address */
7895 rtl_rar_set(tp, dev->perm_addr);
7896
7897 rtl_disable_msi(pdev, tp);
7898 rtl8169_release_board(pdev, dev, tp->mmio_addr);
7899 }
7900
7901 static const struct net_device_ops rtl_netdev_ops = {
7902 .ndo_open = rtl_open,
7903 .ndo_stop = rtl8169_close,
7904 .ndo_get_stats64 = rtl8169_get_stats64,
7905 .ndo_start_xmit = rtl8169_start_xmit,
7906 .ndo_tx_timeout = rtl8169_tx_timeout,
7907 .ndo_validate_addr = eth_validate_addr,
7908 .ndo_change_mtu = rtl8169_change_mtu,
7909 .ndo_fix_features = rtl8169_fix_features,
7910 .ndo_set_features = rtl8169_set_features,
7911 .ndo_set_mac_address = rtl_set_mac_address,
7912 .ndo_do_ioctl = rtl8169_ioctl,
7913 .ndo_set_rx_mode = rtl_set_rx_mode,
7914 #ifdef CONFIG_NET_POLL_CONTROLLER
7915 .ndo_poll_controller = rtl8169_netpoll,
7916 #endif
7917
7918 };
7919
7920 static const struct rtl_cfg_info {
7921 void (*hw_start)(struct net_device *);
7922 unsigned int region;
7923 unsigned int align;
7924 u16 event_slow;
7925 unsigned features;
7926 u8 default_ver;
7927 } rtl_cfg_infos [] = {
7928 [RTL_CFG_0] = {
7929 .hw_start = rtl_hw_start_8169,
7930 .region = 1,
7931 .align = 0,
7932 .event_slow = SYSErr | LinkChg | RxOverflow | RxFIFOOver,
7933 .features = RTL_FEATURE_GMII,
7934 .default_ver = RTL_GIGA_MAC_VER_01,
7935 },
7936 [RTL_CFG_1] = {
7937 .hw_start = rtl_hw_start_8168,
7938 .region = 2,
7939 .align = 8,
7940 .event_slow = SYSErr | LinkChg | RxOverflow,
7941 .features = RTL_FEATURE_GMII | RTL_FEATURE_MSI,
7942 .default_ver = RTL_GIGA_MAC_VER_11,
7943 },
7944 [RTL_CFG_2] = {
7945 .hw_start = rtl_hw_start_8101,
7946 .region = 2,
7947 .align = 8,
7948 .event_slow = SYSErr | LinkChg | RxOverflow | RxFIFOOver |
7949 PCSTimeout,
7950 .features = RTL_FEATURE_MSI,
7951 .default_ver = RTL_GIGA_MAC_VER_13,
7952 }
7953 };
7954
7955 /* Cfg9346_Unlock assumed. */
rtl_try_msi(struct rtl8169_private * tp,const struct rtl_cfg_info * cfg)7956 static unsigned rtl_try_msi(struct rtl8169_private *tp,
7957 const struct rtl_cfg_info *cfg)
7958 {
7959 void __iomem *ioaddr = tp->mmio_addr;
7960 unsigned msi = 0;
7961 u8 cfg2;
7962
7963 cfg2 = RTL_R8(Config2) & ~MSIEnable;
7964 if (cfg->features & RTL_FEATURE_MSI) {
7965 if (pci_enable_msi(tp->pci_dev)) {
7966 netif_info(tp, hw, tp->dev, "no MSI. Back to INTx.\n");
7967 } else {
7968 cfg2 |= MSIEnable;
7969 msi = RTL_FEATURE_MSI;
7970 }
7971 }
7972 if (tp->mac_version <= RTL_GIGA_MAC_VER_06)
7973 RTL_W8(Config2, cfg2);
7974 return msi;
7975 }
7976
DECLARE_RTL_COND(rtl_link_list_ready_cond)7977 DECLARE_RTL_COND(rtl_link_list_ready_cond)
7978 {
7979 void __iomem *ioaddr = tp->mmio_addr;
7980
7981 return RTL_R8(MCU) & LINK_LIST_RDY;
7982 }
7983
DECLARE_RTL_COND(rtl_rxtx_empty_cond)7984 DECLARE_RTL_COND(rtl_rxtx_empty_cond)
7985 {
7986 void __iomem *ioaddr = tp->mmio_addr;
7987
7988 return (RTL_R8(MCU) & RXTX_EMPTY) == RXTX_EMPTY;
7989 }
7990
rtl_hw_init_8168g(struct rtl8169_private * tp)7991 static void rtl_hw_init_8168g(struct rtl8169_private *tp)
7992 {
7993 void __iomem *ioaddr = tp->mmio_addr;
7994 u32 data;
7995
7996 tp->ocp_base = OCP_STD_PHY_BASE;
7997
7998 RTL_W32(MISC, RTL_R32(MISC) | RXDV_GATED_EN);
7999
8000 if (!rtl_udelay_loop_wait_high(tp, &rtl_txcfg_empty_cond, 100, 42))
8001 return;
8002
8003 if (!rtl_udelay_loop_wait_high(tp, &rtl_rxtx_empty_cond, 100, 42))
8004 return;
8005
8006 RTL_W8(ChipCmd, RTL_R8(ChipCmd) & ~(CmdTxEnb | CmdRxEnb));
8007 msleep(1);
8008 RTL_W8(MCU, RTL_R8(MCU) & ~NOW_IS_OOB);
8009
8010 data = r8168_mac_ocp_read(tp, 0xe8de);
8011 data &= ~(1 << 14);
8012 r8168_mac_ocp_write(tp, 0xe8de, data);
8013
8014 if (!rtl_udelay_loop_wait_high(tp, &rtl_link_list_ready_cond, 100, 42))
8015 return;
8016
8017 data = r8168_mac_ocp_read(tp, 0xe8de);
8018 data |= (1 << 15);
8019 r8168_mac_ocp_write(tp, 0xe8de, data);
8020
8021 if (!rtl_udelay_loop_wait_high(tp, &rtl_link_list_ready_cond, 100, 42))
8022 return;
8023 }
8024
rtl_hw_init_8168ep(struct rtl8169_private * tp)8025 static void rtl_hw_init_8168ep(struct rtl8169_private *tp)
8026 {
8027 rtl8168ep_stop_cmac(tp);
8028 rtl_hw_init_8168g(tp);
8029 }
8030
rtl_hw_initialize(struct rtl8169_private * tp)8031 static void rtl_hw_initialize(struct rtl8169_private *tp)
8032 {
8033 switch (tp->mac_version) {
8034 case RTL_GIGA_MAC_VER_40:
8035 case RTL_GIGA_MAC_VER_41:
8036 case RTL_GIGA_MAC_VER_42:
8037 case RTL_GIGA_MAC_VER_43:
8038 case RTL_GIGA_MAC_VER_44:
8039 case RTL_GIGA_MAC_VER_45:
8040 case RTL_GIGA_MAC_VER_46:
8041 case RTL_GIGA_MAC_VER_47:
8042 case RTL_GIGA_MAC_VER_48:
8043 rtl_hw_init_8168g(tp);
8044 break;
8045 case RTL_GIGA_MAC_VER_49:
8046 case RTL_GIGA_MAC_VER_50:
8047 case RTL_GIGA_MAC_VER_51:
8048 rtl_hw_init_8168ep(tp);
8049 break;
8050 default:
8051 break;
8052 }
8053 }
8054
rtl_init_one(struct pci_dev * pdev,const struct pci_device_id * ent)8055 static int rtl_init_one(struct pci_dev *pdev, const struct pci_device_id *ent)
8056 {
8057 const struct rtl_cfg_info *cfg = rtl_cfg_infos + ent->driver_data;
8058 const unsigned int region = cfg->region;
8059 struct rtl8169_private *tp;
8060 struct mii_if_info *mii;
8061 struct net_device *dev;
8062 void __iomem *ioaddr;
8063 int chipset, i;
8064 int rc;
8065
8066 if (netif_msg_drv(&debug)) {
8067 printk(KERN_INFO "%s Gigabit Ethernet driver %s loaded\n",
8068 MODULENAME, RTL8169_VERSION);
8069 }
8070
8071 dev = alloc_etherdev(sizeof (*tp));
8072 if (!dev) {
8073 rc = -ENOMEM;
8074 goto out;
8075 }
8076
8077 SET_NETDEV_DEV(dev, &pdev->dev);
8078 dev->netdev_ops = &rtl_netdev_ops;
8079 tp = netdev_priv(dev);
8080 tp->dev = dev;
8081 tp->pci_dev = pdev;
8082 tp->msg_enable = netif_msg_init(debug.msg_enable, R8169_MSG_DEFAULT);
8083
8084 mii = &tp->mii;
8085 mii->dev = dev;
8086 mii->mdio_read = rtl_mdio_read;
8087 mii->mdio_write = rtl_mdio_write;
8088 mii->phy_id_mask = 0x1f;
8089 mii->reg_num_mask = 0x1f;
8090 mii->supports_gmii = !!(cfg->features & RTL_FEATURE_GMII);
8091
8092 /* disable ASPM completely as that cause random device stop working
8093 * problems as well as full system hangs for some PCIe devices users */
8094 pci_disable_link_state(pdev, PCIE_LINK_STATE_L0S | PCIE_LINK_STATE_L1 |
8095 PCIE_LINK_STATE_CLKPM);
8096
8097 /* enable device (incl. PCI PM wakeup and hotplug setup) */
8098 rc = pci_enable_device(pdev);
8099 if (rc < 0) {
8100 netif_err(tp, probe, dev, "enable failure\n");
8101 goto err_out_free_dev_1;
8102 }
8103
8104 if (pci_set_mwi(pdev) < 0)
8105 netif_info(tp, probe, dev, "Mem-Wr-Inval unavailable\n");
8106
8107 /* make sure PCI base addr 1 is MMIO */
8108 if (!(pci_resource_flags(pdev, region) & IORESOURCE_MEM)) {
8109 netif_err(tp, probe, dev,
8110 "region #%d not an MMIO resource, aborting\n",
8111 region);
8112 rc = -ENODEV;
8113 goto err_out_mwi_2;
8114 }
8115
8116 /* check for weird/broken PCI region reporting */
8117 if (pci_resource_len(pdev, region) < R8169_REGS_SIZE) {
8118 netif_err(tp, probe, dev,
8119 "Invalid PCI region size(s), aborting\n");
8120 rc = -ENODEV;
8121 goto err_out_mwi_2;
8122 }
8123
8124 rc = pci_request_regions(pdev, MODULENAME);
8125 if (rc < 0) {
8126 netif_err(tp, probe, dev, "could not request regions\n");
8127 goto err_out_mwi_2;
8128 }
8129
8130 tp->cp_cmd = 0;
8131
8132 if ((sizeof(dma_addr_t) > 4) &&
8133 !pci_set_dma_mask(pdev, DMA_BIT_MASK(64)) && use_dac) {
8134 tp->cp_cmd |= PCIDAC;
8135 dev->features |= NETIF_F_HIGHDMA;
8136 } else {
8137 rc = pci_set_dma_mask(pdev, DMA_BIT_MASK(32));
8138 if (rc < 0) {
8139 netif_err(tp, probe, dev, "DMA configuration failed\n");
8140 goto err_out_free_res_3;
8141 }
8142 }
8143
8144 /* ioremap MMIO region */
8145 ioaddr = ioremap(pci_resource_start(pdev, region), R8169_REGS_SIZE);
8146 if (!ioaddr) {
8147 netif_err(tp, probe, dev, "cannot remap MMIO, aborting\n");
8148 rc = -EIO;
8149 goto err_out_free_res_3;
8150 }
8151 tp->mmio_addr = ioaddr;
8152
8153 if (!pci_is_pcie(pdev))
8154 netif_info(tp, probe, dev, "not PCI Express\n");
8155
8156 /* Identify chip attached to board */
8157 rtl8169_get_mac_version(tp, dev, cfg->default_ver);
8158
8159 rtl_init_rxcfg(tp);
8160
8161 rtl_irq_disable(tp);
8162
8163 rtl_hw_initialize(tp);
8164
8165 rtl_hw_reset(tp);
8166
8167 rtl_ack_events(tp, 0xffff);
8168
8169 pci_set_master(pdev);
8170
8171 rtl_init_mdio_ops(tp);
8172 rtl_init_pll_power_ops(tp);
8173 rtl_init_jumbo_ops(tp);
8174 rtl_init_csi_ops(tp);
8175
8176 rtl8169_print_mac_version(tp);
8177
8178 chipset = tp->mac_version;
8179 tp->txd_version = rtl_chip_infos[chipset].txd_version;
8180
8181 RTL_W8(Cfg9346, Cfg9346_Unlock);
8182 RTL_W8(Config1, RTL_R8(Config1) | PMEnable);
8183 RTL_W8(Config5, RTL_R8(Config5) & (BWF | MWF | UWF | LanWake | PMEStatus));
8184 switch (tp->mac_version) {
8185 case RTL_GIGA_MAC_VER_34:
8186 case RTL_GIGA_MAC_VER_35:
8187 case RTL_GIGA_MAC_VER_36:
8188 case RTL_GIGA_MAC_VER_37:
8189 case RTL_GIGA_MAC_VER_38:
8190 case RTL_GIGA_MAC_VER_40:
8191 case RTL_GIGA_MAC_VER_41:
8192 case RTL_GIGA_MAC_VER_42:
8193 case RTL_GIGA_MAC_VER_43:
8194 case RTL_GIGA_MAC_VER_44:
8195 case RTL_GIGA_MAC_VER_45:
8196 case RTL_GIGA_MAC_VER_46:
8197 case RTL_GIGA_MAC_VER_47:
8198 case RTL_GIGA_MAC_VER_48:
8199 case RTL_GIGA_MAC_VER_49:
8200 case RTL_GIGA_MAC_VER_50:
8201 case RTL_GIGA_MAC_VER_51:
8202 if (rtl_eri_read(tp, 0xdc, ERIAR_EXGMAC) & MagicPacket_v2)
8203 tp->features |= RTL_FEATURE_WOL;
8204 if ((RTL_R8(Config3) & LinkUp) != 0)
8205 tp->features |= RTL_FEATURE_WOL;
8206 break;
8207 default:
8208 if ((RTL_R8(Config3) & (LinkUp | MagicPacket)) != 0)
8209 tp->features |= RTL_FEATURE_WOL;
8210 break;
8211 }
8212 if ((RTL_R8(Config5) & (UWF | BWF | MWF)) != 0)
8213 tp->features |= RTL_FEATURE_WOL;
8214 tp->features |= rtl_try_msi(tp, cfg);
8215 RTL_W8(Cfg9346, Cfg9346_Lock);
8216
8217 if (rtl_tbi_enabled(tp)) {
8218 tp->set_speed = rtl8169_set_speed_tbi;
8219 tp->get_settings = rtl8169_gset_tbi;
8220 tp->phy_reset_enable = rtl8169_tbi_reset_enable;
8221 tp->phy_reset_pending = rtl8169_tbi_reset_pending;
8222 tp->link_ok = rtl8169_tbi_link_ok;
8223 tp->do_ioctl = rtl_tbi_ioctl;
8224 } else {
8225 tp->set_speed = rtl8169_set_speed_xmii;
8226 tp->get_settings = rtl8169_gset_xmii;
8227 tp->phy_reset_enable = rtl8169_xmii_reset_enable;
8228 tp->phy_reset_pending = rtl8169_xmii_reset_pending;
8229 tp->link_ok = rtl8169_xmii_link_ok;
8230 tp->do_ioctl = rtl_xmii_ioctl;
8231 }
8232
8233 mutex_init(&tp->wk.mutex);
8234 u64_stats_init(&tp->rx_stats.syncp);
8235 u64_stats_init(&tp->tx_stats.syncp);
8236
8237 /* Get MAC address */
8238 if (tp->mac_version == RTL_GIGA_MAC_VER_35 ||
8239 tp->mac_version == RTL_GIGA_MAC_VER_36 ||
8240 tp->mac_version == RTL_GIGA_MAC_VER_37 ||
8241 tp->mac_version == RTL_GIGA_MAC_VER_38 ||
8242 tp->mac_version == RTL_GIGA_MAC_VER_40 ||
8243 tp->mac_version == RTL_GIGA_MAC_VER_41 ||
8244 tp->mac_version == RTL_GIGA_MAC_VER_42 ||
8245 tp->mac_version == RTL_GIGA_MAC_VER_43 ||
8246 tp->mac_version == RTL_GIGA_MAC_VER_44 ||
8247 tp->mac_version == RTL_GIGA_MAC_VER_45 ||
8248 tp->mac_version == RTL_GIGA_MAC_VER_46 ||
8249 tp->mac_version == RTL_GIGA_MAC_VER_47 ||
8250 tp->mac_version == RTL_GIGA_MAC_VER_48 ||
8251 tp->mac_version == RTL_GIGA_MAC_VER_49 ||
8252 tp->mac_version == RTL_GIGA_MAC_VER_50 ||
8253 tp->mac_version == RTL_GIGA_MAC_VER_51) {
8254 u16 mac_addr[3];
8255
8256 *(u32 *)&mac_addr[0] = rtl_eri_read(tp, 0xe0, ERIAR_EXGMAC);
8257 *(u16 *)&mac_addr[2] = rtl_eri_read(tp, 0xe4, ERIAR_EXGMAC);
8258
8259 if (is_valid_ether_addr((u8 *)mac_addr))
8260 rtl_rar_set(tp, (u8 *)mac_addr);
8261 }
8262 for (i = 0; i < ETH_ALEN; i++)
8263 dev->dev_addr[i] = RTL_R8(MAC0 + i);
8264
8265 dev->ethtool_ops = &rtl8169_ethtool_ops;
8266 dev->watchdog_timeo = RTL8169_TX_TIMEOUT;
8267
8268 netif_napi_add(dev, &tp->napi, rtl8169_poll, R8169_NAPI_WEIGHT);
8269
8270 /* don't enable SG, IP_CSUM and TSO by default - it might not work
8271 * properly for all devices */
8272 dev->features |= NETIF_F_RXCSUM |
8273 NETIF_F_HW_VLAN_CTAG_TX | NETIF_F_HW_VLAN_CTAG_RX;
8274
8275 dev->hw_features = NETIF_F_SG | NETIF_F_IP_CSUM | NETIF_F_TSO |
8276 NETIF_F_RXCSUM | NETIF_F_HW_VLAN_CTAG_TX |
8277 NETIF_F_HW_VLAN_CTAG_RX;
8278 dev->vlan_features = NETIF_F_SG | NETIF_F_IP_CSUM | NETIF_F_TSO |
8279 NETIF_F_HIGHDMA;
8280
8281 tp->cp_cmd |= RxChkSum | RxVlan;
8282
8283 /*
8284 * Pretend we are using VLANs; This bypasses a nasty bug where
8285 * Interrupts stop flowing on high load on 8110SCd controllers.
8286 */
8287 if (tp->mac_version == RTL_GIGA_MAC_VER_05)
8288 /* Disallow toggling */
8289 dev->hw_features &= ~NETIF_F_HW_VLAN_CTAG_RX;
8290
8291 if (tp->txd_version == RTL_TD_0)
8292 tp->tso_csum = rtl8169_tso_csum_v1;
8293 else if (tp->txd_version == RTL_TD_1) {
8294 tp->tso_csum = rtl8169_tso_csum_v2;
8295 dev->hw_features |= NETIF_F_IPV6_CSUM | NETIF_F_TSO6;
8296 } else
8297 WARN_ON_ONCE(1);
8298
8299 dev->hw_features |= NETIF_F_RXALL;
8300 dev->hw_features |= NETIF_F_RXFCS;
8301
8302 tp->hw_start = cfg->hw_start;
8303 tp->event_slow = cfg->event_slow;
8304
8305 tp->opts1_mask = (tp->mac_version != RTL_GIGA_MAC_VER_01) ?
8306 ~(RxBOVF | RxFOVF) : ~0;
8307
8308 init_timer(&tp->timer);
8309 tp->timer.data = (unsigned long) dev;
8310 tp->timer.function = rtl8169_phy_timer;
8311
8312 tp->rtl_fw = RTL_FIRMWARE_UNKNOWN;
8313
8314 rc = register_netdev(dev);
8315 if (rc < 0)
8316 goto err_out_msi_4;
8317
8318 pci_set_drvdata(pdev, dev);
8319
8320 netif_info(tp, probe, dev, "%s at 0x%p, %pM, XID %08x IRQ %d\n",
8321 rtl_chip_infos[chipset].name, ioaddr, dev->dev_addr,
8322 (u32)(RTL_R32(TxConfig) & 0x9cf0f8ff), pdev->irq);
8323 if (rtl_chip_infos[chipset].jumbo_max != JUMBO_1K) {
8324 netif_info(tp, probe, dev, "jumbo features [frames: %d bytes, "
8325 "tx checksumming: %s]\n",
8326 rtl_chip_infos[chipset].jumbo_max,
8327 rtl_chip_infos[chipset].jumbo_tx_csum ? "ok" : "ko");
8328 }
8329
8330 if ((tp->mac_version == RTL_GIGA_MAC_VER_27 ||
8331 tp->mac_version == RTL_GIGA_MAC_VER_28 ||
8332 tp->mac_version == RTL_GIGA_MAC_VER_31 ||
8333 tp->mac_version == RTL_GIGA_MAC_VER_49 ||
8334 tp->mac_version == RTL_GIGA_MAC_VER_50 ||
8335 tp->mac_version == RTL_GIGA_MAC_VER_51) &&
8336 r8168_check_dash(tp)) {
8337 rtl8168_driver_start(tp);
8338 }
8339
8340 device_set_wakeup_enable(&pdev->dev, tp->features & RTL_FEATURE_WOL);
8341
8342 if (pci_dev_run_wake(pdev))
8343 pm_runtime_put_noidle(&pdev->dev);
8344
8345 netif_carrier_off(dev);
8346
8347 out:
8348 return rc;
8349
8350 err_out_msi_4:
8351 netif_napi_del(&tp->napi);
8352 rtl_disable_msi(pdev, tp);
8353 iounmap(ioaddr);
8354 err_out_free_res_3:
8355 pci_release_regions(pdev);
8356 err_out_mwi_2:
8357 pci_clear_mwi(pdev);
8358 pci_disable_device(pdev);
8359 err_out_free_dev_1:
8360 free_netdev(dev);
8361 goto out;
8362 }
8363
8364 static struct pci_driver rtl8169_pci_driver = {
8365 .name = MODULENAME,
8366 .id_table = rtl8169_pci_tbl,
8367 .probe = rtl_init_one,
8368 .remove = rtl_remove_one,
8369 .shutdown = rtl_shutdown,
8370 .driver.pm = RTL8169_PM_OPS,
8371 };
8372
8373 module_pci_driver(rtl8169_pci_driver);
8374