1 /* SPDX-License-Identifier: GPL-2.0 */
2 /*
3 * drivers/atm/suni.h - S/UNI PHY driver
4 */
5
6 /* Written 1995-2000 by Werner Almesberger, EPFL LRC/ICA */
7
8 #ifndef DRIVER_ATM_SUNI_H
9 #define DRIVER_ATM_SUNI_H
10
11 #include <linux/atmdev.h>
12 #include <linux/atmioc.h>
13 #include <linux/sonet.h>
14
15 /* SUNI registers */
16
17 #define SUNI_MRI 0x00 /* Master Reset and Identity / Load
18 Meter */
19 #define SUNI_MC 0x01 /* Master Configuration */
20 #define SUNI_MIS 0x02 /* Master Interrupt Status */
21 /* no 0x03 */
22 #define SUNI_MCM 0x04 /* Master Clock Monitor */
23 #define SUNI_MCT 0x05 /* Master Control */
24 #define SUNI_CSCS 0x06 /* Clock Synthesis Control and Status */
25 #define SUNI_CRCS 0x07 /* Clock Recovery Control and Status */
26 /* 0x08-0x0F reserved */
27 #define SUNI_RSOP_CIE 0x10 /* RSOP Control/Interrupt Enable */
28 #define SUNI_RSOP_SIS 0x11 /* RSOP Status/Interrupt Status */
29 #define SUNI_RSOP_SBL 0x12 /* RSOP Section BIP-8 LSB */
30 #define SUNI_RSOP_SBM 0x13 /* RSOP Section BIP-8 MSB */
31 #define SUNI_TSOP_CTRL 0x14 /* TSOP Control */
32 #define SUNI_TSOP_DIAG 0x15 /* TSOP Diagnostic */
33 /* 0x16-0x17 reserved */
34 #define SUNI_RLOP_CS 0x18 /* RLOP Control/Status */
35 #define SUNI_RLOP_IES 0x19 /* RLOP Interrupt Enable/Status */
36 #define SUNI_RLOP_LBL 0x1A /* RLOP Line BIP-8/24 LSB */
37 #define SUNI_RLOP_LB 0x1B /* RLOP Line BIP-8/24 */
38 #define SUNI_RLOP_LBM 0x1C /* RLOP Line BIP-8/24 MSB */
39 #define SUNI_RLOP_LFL 0x1D /* RLOP Line FEBE LSB */
40 #define SUNI_RLOP_LF 0x1E /* RLOP Line FEBE */
41 #define SUNI_RLOP_LFM 0x1F /* RLOP Line FEBE MSB */
42 #define SUNI_TLOP_CTRL 0x20 /* TLOP Control */
43 #define SUNI_TLOP_DIAG 0x21 /* TLOP Diagnostic */
44 /* 0x22-0x27 reserved */
45 #define SUNI_SSTB_CTRL 0x28
46 #define SUNI_RPOP_SC 0x30 /* RPOP Status/Control */
47 #define SUNI_RPOP_IS 0x31 /* RPOP Interrupt Status */
48 /* 0x32 reserved */
49 #define SUNI_RPOP_IE 0x33 /* RPOP Interrupt Enable */
50 /* 0x34-0x36 reserved */
51 #define SUNI_RPOP_PSL 0x37 /* RPOP Path Signal Label */
52 #define SUNI_RPOP_PBL 0x38 /* RPOP Path BIP-8 LSB */
53 #define SUNI_RPOP_PBM 0x39 /* RPOP Path BIP-8 MSB */
54 #define SUNI_RPOP_PFL 0x3A /* RPOP Path FEBE LSB */
55 #define SUNI_RPOP_PFM 0x3B /* RPOP Path FEBE MSB */
56 /* 0x3C reserved */
57 #define SUNI_RPOP_PBC 0x3D /* RPOP Path BIP-8 Configuration */
58 #define SUNI_RPOP_RC 0x3D /* RPOP Ring Control (PM5355) */
59 /* 0x3E-0x3F reserved */
60 #define SUNI_TPOP_CD 0x40 /* TPOP Control/Diagnostic */
61 #define SUNI_TPOP_PC 0x41 /* TPOP Pointer Control */
62 /* 0x42-0x44 reserved */
63 #define SUNI_TPOP_APL 0x45 /* TPOP Arbitrary Pointer LSB */
64 #define SUNI_TPOP_APM 0x46 /* TPOP Arbitrary Pointer MSB */
65 /* 0x47 reserved */
66 #define SUNI_TPOP_PSL 0x48 /* TPOP Path Signal Label */
67 #define SUNI_TPOP_PS 0x49 /* TPOP Path Status */
68 /* 0x4A-0x4F reserved */
69 #define SUNI_RACP_CS 0x50 /* RACP Control/Status */
70 #define SUNI_RACP_IES 0x51 /* RACP Interrupt Enable/Status */
71 #define SUNI_RACP_MHP 0x52 /* RACP Match Header Pattern */
72 #define SUNI_RACP_MHM 0x53 /* RACP Match Header Mask */
73 #define SUNI_RACP_CHEC 0x54 /* RACP Correctable HCS Error Count */
74 #define SUNI_RACP_UHEC 0x55 /* RACP Uncorrectable HCS Err Count */
75 #define SUNI_RACP_RCCL 0x56 /* RACP Receive Cell Counter LSB */
76 #define SUNI_RACP_RCC 0x57 /* RACP Receive Cell Counter */
77 #define SUNI_RACP_RCCM 0x58 /* RACP Receive Cell Counter MSB */
78 #define SUNI_RACP_CFG 0x59 /* RACP Configuration */
79 /* 0x5A-0x5F reserved */
80 #define SUNI_TACP_CS 0x60 /* TACP Control/Status */
81 #define SUNI_TACP_IUCHP 0x61 /* TACP Idle/Unassigned Cell Hdr Pat */
82 #define SUNI_TACP_IUCPOP 0x62 /* TACP Idle/Unassigned Cell Payload
83 Octet Pattern */
84 #define SUNI_TACP_FIFO 0x63 /* TACP FIFO Configuration */
85 #define SUNI_TACP_TCCL 0x64 /* TACP Transmit Cell Counter LSB */
86 #define SUNI_TACP_TCC 0x65 /* TACP Transmit Cell Counter */
87 #define SUNI_TACP_TCCM 0x66 /* TACP Transmit Cell Counter MSB */
88 #define SUNI_TACP_CFG 0x67 /* TACP Configuration */
89 #define SUNI_SPTB_CTRL 0x68 /* SPTB Control */
90 /* 0x69-0x7F reserved */
91 #define SUNI_MT 0x80 /* Master Test */
92 /* 0x81-0xFF reserved */
93
94 /* SUNI register values */
95
96
97 /* MRI is reg 0 */
98 #define SUNI_MRI_ID 0x0f /* R, SUNI revision number */
99 #define SUNI_MRI_ID_SHIFT 0
100 #define SUNI_MRI_TYPE 0x70 /* R, SUNI type (lite is 011) */
101 #define SUNI_MRI_TYPE_SHIFT 4
102 #define SUNI_MRI_TYPE_PM5346 0x3 /* S/UNI 155 LITE */
103 #define SUNI_MRI_TYPE_PM5347 0x4 /* S/UNI 155 PLUS */
104 #define SUNI_MRI_TYPE_PM5350 0x7 /* S/UNI 155 ULTRA */
105 #define SUNI_MRI_TYPE_PM5355 0x1 /* S/UNI 622 */
106 #define SUNI_MRI_RESET 0x80 /* RW, reset & power down chip
107 0: normal operation
108 1: reset & low power */
109
110 /* MCM is reg 0x4 */
111 #define SUNI_MCM_LLE 0x20 /* line loopback (PM5355) */
112 #define SUNI_MCM_DLE 0x10 /* diagnostic loopback (PM5355) */
113
114 /* MCT is reg 5 */
115 #define SUNI_MCT_LOOPT 0x01 /* RW, timing source, 0: from
116 TRCLK+/- */
117 #define SUNI_MCT_DLE 0x02 /* RW, diagnostic loopback */
118 #define SUNI_MCT_LLE 0x04 /* RW, line loopback */
119 #define SUNI_MCT_FIXPTR 0x20 /* RW, disable transmit payload pointer
120 adjustments
121 0: payload ptr controlled by TPOP
122 ptr control reg
123 1: payload pointer fixed at 522 */
124 #define SUNI_MCT_LCDV 0x40 /* R, loss of cell delineation */
125 #define SUNI_MCT_LCDE 0x80 /* RW, loss of cell delineation
126 interrupt (1: on) */
127 /* RSOP_CIE is reg 0x10 */
128 #define SUNI_RSOP_CIE_OOFE 0x01 /* RW, enable interrupt on frame alarm
129 state change */
130 #define SUNI_RSOP_CIE_LOFE 0x02 /* RW, enable interrupt on loss of
131 frame state change */
132 #define SUNI_RSOP_CIE_LOSE 0x04 /* RW, enable interrupt on loss of
133 signal state change */
134 #define SUNI_RSOP_CIE_BIPEE 0x08 /* RW, enable interrupt on section
135 BIP-8 error (B1) */
136 #define SUNI_RSOP_CIE_FOOF 0x20 /* W, force RSOP out of frame at next
137 boundary */
138 #define SUNI_RSOP_CIE_DDS 0x40 /* RW, disable scrambling */
139
140 /* RSOP_SIS is reg 0x11 */
141 #define SUNI_RSOP_SIS_OOFV 0x01 /* R, out of frame */
142 #define SUNI_RSOP_SIS_LOFV 0x02 /* R, loss of frame */
143 #define SUNI_RSOP_SIS_LOSV 0x04 /* R, loss of signal */
144 #define SUNI_RSOP_SIS_OOFI 0x08 /* R, out of frame interrupt */
145 #define SUNI_RSOP_SIS_LOFI 0x10 /* R, loss of frame interrupt */
146 #define SUNI_RSOP_SIS_LOSI 0x20 /* R, loss of signal interrupt */
147 #define SUNI_RSOP_SIS_BIPEI 0x40 /* R, section BIP-8 interrupt */
148
149 /* TSOP_CTRL is reg 0x14 */
150 #define SUNI_TSOP_CTRL_LAIS 0x01 /* insert alarm indication signal */
151 #define SUNI_TSOP_CTRL_DS 0x40 /* disable scrambling */
152
153 /* TSOP_DIAG is reg 0x15 */
154 #define SUNI_TSOP_DIAG_DFP 0x01 /* insert single bit error cont. */
155 #define SUNI_TSOP_DIAG_DBIP8 0x02 /* insert section BIP err (cont) */
156 #define SUNI_TSOP_DIAG_DLOS 0x04 /* set line to zero (loss of signal) */
157
158 /* TLOP_DIAG is reg 0x21 */
159 #define SUNI_TLOP_DIAG_DBIP 0x01 /* insert line BIP err (continuously) */
160
161 /* SSTB_CTRL is reg 0x28 */
162 #define SUNI_SSTB_CTRL_LEN16 0x01 /* path trace message length bit */
163
164 /* RPOP_RC is reg 0x3D (PM5355) */
165 #define SUNI_RPOP_RC_ENSS 0x40 /* enable size bit */
166
167 /* TPOP_DIAG is reg 0x40 */
168 #define SUNI_TPOP_DIAG_PAIS 0x01 /* insert STS path alarm ind (cont) */
169 #define SUNI_TPOP_DIAG_DB3 0x02 /* insert path BIP err (continuously) */
170
171 /* TPOP_APM is reg 0x46 */
172 #define SUNI_TPOP_APM_APTR 0x03 /* RW, arbitrary pointer, upper 2
173 bits */
174 #define SUNI_TPOP_APM_APTR_SHIFT 0
175 #define SUNI_TPOP_APM_S 0x0c /* RW, "unused" bits of payload
176 pointer */
177 #define SUNI_TPOP_APM_S_SHIFT 2
178 #define SUNI_TPOP_APM_NDF 0xf0 /* RW, NDF bits */
179 #define SUNI_TPOP_APM_NDF_SHIFT 4
180
181 #define SUNI_TPOP_S_SONET 0 /* set S bits to 00 */
182 #define SUNI_TPOP_S_SDH 2 /* set S bits to 10 */
183
184 /* RACP_IES is reg 0x51 */
185 #define SUNI_RACP_IES_FOVRI 0x02 /* R, FIFO overrun */
186 #define SUNI_RACP_IES_UHCSI 0x04 /* R, uncorrectable HCS error */
187 #define SUNI_RACP_IES_CHCSI 0x08 /* R, correctable HCS error */
188 #define SUNI_RACP_IES_OOCDI 0x10 /* R, change of cell delineation
189 state */
190 #define SUNI_RACP_IES_FIFOE 0x20 /* RW, enable FIFO overrun interrupt */
191 #define SUNI_RACP_IES_HCSE 0x40 /* RW, enable HCS error interrupt */
192 #define SUNI_RACP_IES_OOCDE 0x80 /* RW, enable cell delineation state
193 change interrupt */
194
195 /* TACP_CS is reg 0x60 */
196 #define SUNI_TACP_CS_FIFORST 0x01 /* RW, reset transmit FIFO (sticky) */
197 #define SUNI_TACP_CS_DSCR 0x02 /* RW, disable payload scrambling */
198 #define SUNI_TACP_CS_HCAADD 0x04 /* RW, add coset polynomial to HCS */
199 #define SUNI_TACP_CS_DHCS 0x10 /* RW, insert HCS errors */
200 #define SUNI_TACP_CS_FOVRI 0x20 /* R, FIFO overrun */
201 #define SUNI_TACP_CS_TSOCI 0x40 /* R, TSOC input high */
202 #define SUNI_TACP_CS_FIFOE 0x80 /* RW, enable FIFO overrun interrupt */
203
204 /* TACP_IUCHP is reg 0x61 */
205 #define SUNI_TACP_IUCHP_CLP 0x01 /* RW, 8th bit of 4th octet of i/u
206 pattern */
207 #define SUNI_TACP_IUCHP_PTI 0x0e /* RW, 5th-7th bits of 4th octet of i/u
208 pattern */
209 #define SUNI_TACP_IUCHP_PTI_SHIFT 1
210 #define SUNI_TACP_IUCHP_GFC 0xf0 /* RW, 1st-4th bits of 1st octet of i/u
211 pattern */
212 #define SUNI_TACP_IUCHP_GFC_SHIFT 4
213
214 /* SPTB_CTRL is reg 0x68 */
215 #define SUNI_SPTB_CTRL_LEN16 0x01 /* path trace message length */
216
217 /* MT is reg 0x80 */
218 #define SUNI_MT_HIZIO 0x01 /* RW, all but data bus & MP interface
219 tri-state */
220 #define SUNI_MT_HIZDATA 0x02 /* W, also tri-state data bus */
221 #define SUNI_MT_IOTST 0x04 /* RW, enable test mode */
222 #define SUNI_MT_DBCTRL 0x08 /* W, control data bus by CSB pin */
223 #define SUNI_MT_PMCTST 0x10 /* W, PMC test mode */
224 #define SUNI_MT_DS27_53 0x80 /* RW, select between 8- or 16- bit */
225
226
227 #define SUNI_IDLE_PATTERN 0x6a /* idle pattern */
228
229
230 #ifdef __KERNEL__
231 struct suni_priv {
232 struct k_sonet_stats sonet_stats; /* link diagnostics */
233 int loop_mode; /* loopback mode */
234 int type; /* phy type */
235 struct atm_dev *dev; /* device back-pointer */
236 struct suni_priv *next; /* next SUNI */
237 };
238
239 int suni_init(struct atm_dev *dev);
240 #endif
241
242 #endif