1/*
2 * SMI PCIe driver for DVBSky cards.
3 *
4 * Copyright (C) 2014 Max nibble <nibble.max@gmail.com>
5 *
6 *    This program is free software; you can redistribute it and/or modify
7 *    it under the terms of the GNU General Public License as published by
8 *    the Free Software Foundation; either version 2 of the License, or
9 *    (at your option) any later version.
10 *
11 *    This program is distributed in the hope that it will be useful,
12 *    but WITHOUT ANY WARRANTY; without even the implied warranty of
13 *    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
14 *    GNU General Public License for more details.
15 */
16
17#ifndef _SMI_PCIE_H_
18#define _SMI_PCIE_H_
19
20#include <linux/i2c.h>
21#include <linux/i2c-algo-bit.h>
22#include <linux/init.h>
23#include <linux/interrupt.h>
24#include <linux/kernel.h>
25#include <linux/module.h>
26#include <linux/proc_fs.h>
27#include <linux/pci.h>
28#include <linux/dma-mapping.h>
29#include <linux/slab.h>
30#include <media/rc-core.h>
31
32#include "demux.h"
33#include "dmxdev.h"
34#include "dvb_demux.h"
35#include "dvb_frontend.h"
36#include "dvb_net.h"
37#include "dvbdev.h"
38
39/* -------- Register Base -------- */
40#define    MSI_CONTROL_REG_BASE                 0x0800
41#define    SYSTEM_CONTROL_REG_BASE              0x0880
42#define    PCIE_EP_DEBUG_REG_BASE               0x08C0
43#define    IR_CONTROL_REG_BASE                  0x0900
44#define    I2C_A_CONTROL_REG_BASE               0x0940
45#define    I2C_B_CONTROL_REG_BASE               0x0980
46#define    ATV_PORTA_CONTROL_REG_BASE           0x09C0
47#define    DTV_PORTA_CONTROL_REG_BASE           0x0A00
48#define    AES_PORTA_CONTROL_REG_BASE           0x0A80
49#define    DMA_PORTA_CONTROL_REG_BASE           0x0AC0
50#define    ATV_PORTB_CONTROL_REG_BASE           0x0B00
51#define    DTV_PORTB_CONTROL_REG_BASE           0x0B40
52#define    AES_PORTB_CONTROL_REG_BASE           0x0BC0
53#define    DMA_PORTB_CONTROL_REG_BASE           0x0C00
54#define    UART_A_REGISTER_BASE                 0x0C40
55#define    UART_B_REGISTER_BASE                 0x0C80
56#define    GPS_CONTROL_REG_BASE                 0x0CC0
57#define    DMA_PORTC_CONTROL_REG_BASE           0x0D00
58#define    DMA_PORTD_CONTROL_REG_BASE           0x0D00
59#define    AES_RANDOM_DATA_BASE                 0x0D80
60#define    AES_KEY_IN_BASE                      0x0D90
61#define    RANDOM_DATA_LIB_BASE                 0x0E00
62#define    IR_DATA_BUFFER_BASE                  0x0F00
63#define    PORTA_TS_BUFFER_BASE                 0x1000
64#define    PORTA_I2S_BUFFER_BASE                0x1400
65#define    PORTB_TS_BUFFER_BASE                 0x1800
66#define    PORTB_I2S_BUFFER_BASE                0x1C00
67
68/* -------- MSI control and state register -------- */
69#define MSI_DELAY_TIMER             (MSI_CONTROL_REG_BASE + 0x00)
70#define MSI_INT_STATUS              (MSI_CONTROL_REG_BASE + 0x08)
71#define MSI_INT_STATUS_CLR          (MSI_CONTROL_REG_BASE + 0x0C)
72#define MSI_INT_STATUS_SET          (MSI_CONTROL_REG_BASE + 0x10)
73#define MSI_INT_ENA                 (MSI_CONTROL_REG_BASE + 0x14)
74#define MSI_INT_ENA_CLR             (MSI_CONTROL_REG_BASE + 0x18)
75#define MSI_INT_ENA_SET             (MSI_CONTROL_REG_BASE + 0x1C)
76#define MSI_SOFT_RESET              (MSI_CONTROL_REG_BASE + 0x20)
77#define MSI_CFG_SRC0                (MSI_CONTROL_REG_BASE + 0x24)
78
79/* -------- Hybird Controller System Control register -------- */
80#define MUX_MODE_CTRL         (SYSTEM_CONTROL_REG_BASE + 0x00)
81	#define rbPaMSMask        0x07
82	#define rbPaMSDtvNoGpio   0x00 /*[2:0], DTV Simple mode */
83	#define rbPaMSDtv4bitGpio 0x01 /*[2:0], DTV TS2 Serial mode)*/
84	#define rbPaMSDtv7bitGpio 0x02 /*[2:0], DTV TS0 Serial mode*/
85	#define rbPaMS8bitGpio    0x03 /*[2:0], GPIO mode selected;(8bit GPIO)*/
86	#define rbPaMSAtv         0x04 /*[2:0], 3'b1xx: ATV mode select*/
87	#define rbPbMSMask        0x38
88	#define rbPbMSDtvNoGpio   0x00 /*[5:3], DTV Simple mode */
89	#define rbPbMSDtv4bitGpio 0x08 /*[5:3], DTV TS2 Serial mode*/
90	#define rbPbMSDtv7bitGpio 0x10 /*[5:3], DTV TS0 Serial mode*/
91	#define rbPbMS8bitGpio    0x18 /*[5:3], GPIO mode selected;(8bit GPIO)*/
92	#define rbPbMSAtv         0x20 /*[5:3], 3'b1xx: ATV mode select*/
93	#define rbPaAESEN         0x40 /*[6], port A AES enable bit*/
94	#define rbPbAESEN         0x80 /*[7], port B AES enable bit*/
95
96#define INTERNAL_RST                (SYSTEM_CONTROL_REG_BASE + 0x04)
97#define PERIPHERAL_CTRL             (SYSTEM_CONTROL_REG_BASE + 0x08)
98#define GPIO_0to7_CTRL              (SYSTEM_CONTROL_REG_BASE + 0x0C)
99#define GPIO_8to15_CTRL             (SYSTEM_CONTROL_REG_BASE + 0x10)
100#define GPIO_16to24_CTRL            (SYSTEM_CONTROL_REG_BASE + 0x14)
101#define GPIO_INT_SRC_CFG            (SYSTEM_CONTROL_REG_BASE + 0x18)
102#define SYS_BUF_STATUS              (SYSTEM_CONTROL_REG_BASE + 0x1C)
103#define PCIE_IP_REG_ACS             (SYSTEM_CONTROL_REG_BASE + 0x20)
104#define PCIE_IP_REG_ACS_ADDR        (SYSTEM_CONTROL_REG_BASE + 0x24)
105#define PCIE_IP_REG_ACS_DATA        (SYSTEM_CONTROL_REG_BASE + 0x28)
106
107/* -------- IR Control register -------- */
108#define   IR_Init_Reg         (IR_CONTROL_REG_BASE + 0x00)
109#define   IR_Idle_Cnt_Low     (IR_CONTROL_REG_BASE + 0x04)
110#define   IR_Idle_Cnt_High    (IR_CONTROL_REG_BASE + 0x05)
111#define   IR_Unit_Cnt_Low     (IR_CONTROL_REG_BASE + 0x06)
112#define   IR_Unit_Cnt_High    (IR_CONTROL_REG_BASE + 0x07)
113#define   IR_Data_Cnt         (IR_CONTROL_REG_BASE + 0x08)
114#define   rbIRen            0x80
115#define   rbIRhighidle      0x10
116#define   rbIRlowidle       0x00
117#define   rbIRVld           0x04
118
119/* -------- I2C A control and state register -------- */
120#define I2C_A_CTL_STATUS                 (I2C_A_CONTROL_REG_BASE + 0x00)
121#define I2C_A_ADDR                       (I2C_A_CONTROL_REG_BASE + 0x04)
122#define I2C_A_SW_CTL                     (I2C_A_CONTROL_REG_BASE + 0x08)
123#define I2C_A_TIME_OUT_CNT               (I2C_A_CONTROL_REG_BASE + 0x0C)
124#define I2C_A_FIFO_STATUS                (I2C_A_CONTROL_REG_BASE + 0x10)
125#define I2C_A_FS_EN                      (I2C_A_CONTROL_REG_BASE + 0x14)
126#define I2C_A_FIFO_DATA                  (I2C_A_CONTROL_REG_BASE + 0x20)
127
128/* -------- I2C B control and state register -------- */
129#define I2C_B_CTL_STATUS                 (I2C_B_CONTROL_REG_BASE + 0x00)
130#define I2C_B_ADDR                       (I2C_B_CONTROL_REG_BASE + 0x04)
131#define I2C_B_SW_CTL                     (I2C_B_CONTROL_REG_BASE + 0x08)
132#define I2C_B_TIME_OUT_CNT               (I2C_B_CONTROL_REG_BASE + 0x0C)
133#define I2C_B_FIFO_STATUS                (I2C_B_CONTROL_REG_BASE + 0x10)
134#define I2C_B_FS_EN                      (I2C_B_CONTROL_REG_BASE + 0x14)
135#define I2C_B_FIFO_DATA                  (I2C_B_CONTROL_REG_BASE + 0x20)
136
137#define VIDEO_CTRL_STATUS_A	(ATV_PORTA_CONTROL_REG_BASE + 0x04)
138
139/* -------- Digital TV control register, Port A -------- */
140#define MPEG2_CTRL_A		(DTV_PORTA_CONTROL_REG_BASE + 0x00)
141#define SERIAL_IN_ADDR_A	(DTV_PORTA_CONTROL_REG_BASE + 0x4C)
142#define VLD_CNT_ADDR_A		(DTV_PORTA_CONTROL_REG_BASE + 0x60)
143#define ERR_CNT_ADDR_A		(DTV_PORTA_CONTROL_REG_BASE + 0x64)
144#define BRD_CNT_ADDR_A		(DTV_PORTA_CONTROL_REG_BASE + 0x68)
145
146/* -------- DMA Control Register, Port A  -------- */
147#define DMA_PORTA_CHAN0_ADDR_LOW        (DMA_PORTA_CONTROL_REG_BASE + 0x00)
148#define DMA_PORTA_CHAN0_ADDR_HI         (DMA_PORTA_CONTROL_REG_BASE + 0x04)
149#define DMA_PORTA_CHAN0_TRANS_STATE     (DMA_PORTA_CONTROL_REG_BASE + 0x08)
150#define DMA_PORTA_CHAN0_CONTROL         (DMA_PORTA_CONTROL_REG_BASE + 0x0C)
151#define DMA_PORTA_CHAN1_ADDR_LOW        (DMA_PORTA_CONTROL_REG_BASE + 0x10)
152#define DMA_PORTA_CHAN1_ADDR_HI         (DMA_PORTA_CONTROL_REG_BASE + 0x14)
153#define DMA_PORTA_CHAN1_TRANS_STATE     (DMA_PORTA_CONTROL_REG_BASE + 0x18)
154#define DMA_PORTA_CHAN1_CONTROL         (DMA_PORTA_CONTROL_REG_BASE + 0x1C)
155#define DMA_PORTA_MANAGEMENT            (DMA_PORTA_CONTROL_REG_BASE + 0x20)
156#define VIDEO_CTRL_STATUS_B             (ATV_PORTB_CONTROL_REG_BASE + 0x04)
157
158/* -------- Digital TV control register, Port B -------- */
159#define MPEG2_CTRL_B		(DTV_PORTB_CONTROL_REG_BASE + 0x00)
160#define SERIAL_IN_ADDR_B	(DTV_PORTB_CONTROL_REG_BASE + 0x4C)
161#define VLD_CNT_ADDR_B		(DTV_PORTB_CONTROL_REG_BASE + 0x60)
162#define ERR_CNT_ADDR_B		(DTV_PORTB_CONTROL_REG_BASE + 0x64)
163#define BRD_CNT_ADDR_B		(DTV_PORTB_CONTROL_REG_BASE + 0x68)
164
165/* -------- AES control register, Port B -------- */
166#define AES_CTRL_B		(AES_PORTB_CONTROL_REG_BASE + 0x00)
167#define AES_KEY_BASE_B	(AES_PORTB_CONTROL_REG_BASE + 0x04)
168
169/* -------- DMA Control Register, Port B  -------- */
170#define DMA_PORTB_CHAN0_ADDR_LOW        (DMA_PORTB_CONTROL_REG_BASE + 0x00)
171#define DMA_PORTB_CHAN0_ADDR_HI         (DMA_PORTB_CONTROL_REG_BASE + 0x04)
172#define DMA_PORTB_CHAN0_TRANS_STATE     (DMA_PORTB_CONTROL_REG_BASE + 0x08)
173#define DMA_PORTB_CHAN0_CONTROL         (DMA_PORTB_CONTROL_REG_BASE + 0x0C)
174#define DMA_PORTB_CHAN1_ADDR_LOW        (DMA_PORTB_CONTROL_REG_BASE + 0x10)
175#define DMA_PORTB_CHAN1_ADDR_HI         (DMA_PORTB_CONTROL_REG_BASE + 0x14)
176#define DMA_PORTB_CHAN1_TRANS_STATE     (DMA_PORTB_CONTROL_REG_BASE + 0x18)
177#define DMA_PORTB_CHAN1_CONTROL         (DMA_PORTB_CONTROL_REG_BASE + 0x1C)
178#define DMA_PORTB_MANAGEMENT            (DMA_PORTB_CONTROL_REG_BASE + 0x20)
179
180#define DMA_TRANS_UNIT_188 (0x00000007)
181
182/* -------- Macro define of 24 interrupt resource --------*/
183#define DMA_A_CHAN0_DONE_INT   (0x00000001)
184#define DMA_A_CHAN1_DONE_INT   (0x00000002)
185#define DMA_B_CHAN0_DONE_INT   (0x00000004)
186#define DMA_B_CHAN1_DONE_INT   (0x00000008)
187#define DMA_C_CHAN0_DONE_INT   (0x00000010)
188#define DMA_C_CHAN1_DONE_INT   (0x00000020)
189#define DMA_D_CHAN0_DONE_INT   (0x00000040)
190#define DMA_D_CHAN1_DONE_INT   (0x00000080)
191#define DATA_BUF_OVERFLOW_INT  (0x00000100)
192#define UART_0_X_INT           (0x00000200)
193#define UART_1_X_INT           (0x00000400)
194#define IR_X_INT               (0x00000800)
195#define GPIO_0_INT             (0x00001000)
196#define GPIO_1_INT             (0x00002000)
197#define GPIO_2_INT             (0x00004000)
198#define GPIO_3_INT             (0x00008000)
199#define ALL_INT                (0x0000FFFF)
200
201/* software I2C bit mask */
202#define SW_I2C_MSK_MODE         0x01
203#define SW_I2C_MSK_CLK_OUT      0x02
204#define SW_I2C_MSK_DAT_OUT      0x04
205#define SW_I2C_MSK_CLK_EN       0x08
206#define SW_I2C_MSK_DAT_EN       0x10
207#define SW_I2C_MSK_DAT_IN       0x40
208#define SW_I2C_MSK_CLK_IN       0x80
209
210#define SMI_VID		0x1ADE
211#define SMI_PID		0x3038
212#define SMI_TS_DMA_BUF_SIZE	(1024 * 188)
213
214struct smi_cfg_info {
215#define SMI_DVBSKY_S952         0
216#define SMI_DVBSKY_S950         1
217#define SMI_DVBSKY_T9580        2
218#define SMI_DVBSKY_T982         3
219	int type;
220	char *name;
221#define SMI_TS_NULL             0
222#define SMI_TS_DMA_SINGLE       1
223#define SMI_TS_DMA_BOTH         3
224/* SMI_TS_NULL: not use;
225 * SMI_TS_DMA_SINGLE: use DMA 0 only;
226 * SMI_TS_DMA_BOTH:use DMA 0 and 1.*/
227	int ts_0;
228	int ts_1;
229#define DVBSKY_FE_NULL          0
230#define DVBSKY_FE_M88RS6000     1
231#define DVBSKY_FE_M88DS3103     2
232#define DVBSKY_FE_SIT2          3
233	int fe_0;
234	int fe_1;
235};
236
237struct smi_rc {
238	struct smi_dev *dev;
239	struct rc_dev *rc_dev;
240	char input_phys[64];
241	char input_name[64];
242	struct work_struct work;
243	u8 irData[256];
244
245	int users;
246};
247
248struct smi_port {
249	struct smi_dev *dev;
250	int idx;
251	int enable;
252	int fe_type;
253	/* regs */
254	u32 DMA_CHAN0_ADDR_LOW;
255	u32 DMA_CHAN0_ADDR_HI;
256	u32 DMA_CHAN0_TRANS_STATE;
257	u32 DMA_CHAN0_CONTROL;
258	u32 DMA_CHAN1_ADDR_LOW;
259	u32 DMA_CHAN1_ADDR_HI;
260	u32 DMA_CHAN1_TRANS_STATE;
261	u32 DMA_CHAN1_CONTROL;
262	u32 DMA_MANAGEMENT;
263	/* dma */
264	dma_addr_t dma_addr[2];
265	u8 *cpu_addr[2];
266	u32 _dmaInterruptCH0;
267	u32 _dmaInterruptCH1;
268	u32 _int_status;
269	struct tasklet_struct tasklet;
270	/* dvb */
271	struct dmx_frontend hw_frontend;
272	struct dmx_frontend mem_frontend;
273	struct dmxdev dmxdev;
274	struct dvb_adapter dvb_adapter;
275	struct dvb_demux demux;
276	struct dvb_net dvbnet;
277	int users;
278	struct dvb_frontend *fe;
279	/* frontend i2c module */
280	struct i2c_client *i2c_client_demod;
281	struct i2c_client *i2c_client_tuner;
282};
283
284struct smi_dev {
285	int nr;
286	struct smi_cfg_info *info;
287
288	/* pcie */
289	struct pci_dev *pci_dev;
290	u32 __iomem *lmmio;
291
292	/* ts port */
293	struct smi_port ts_port[2];
294
295	/* i2c */
296	struct i2c_adapter i2c_bus[2];
297	struct i2c_algo_bit_data i2c_bit[2];
298
299	/* ir */
300	struct smi_rc ir;
301};
302
303#define smi_read(reg)             readl(dev->lmmio + ((reg)>>2))
304#define smi_write(reg, value)     writel((value), dev->lmmio + ((reg)>>2))
305
306#define smi_andor(reg, mask, value) \
307	writel((readl(dev->lmmio+((reg)>>2)) & ~(mask)) |\
308	((value) & (mask)), dev->lmmio+((reg)>>2))
309
310#define smi_set(reg, bit)          smi_andor((reg), (bit), (bit))
311#define smi_clear(reg, bit)        smi_andor((reg), (bit), 0)
312
313int smi_ir_irq(struct smi_rc *ir, u32 int_status);
314void smi_ir_start(struct smi_rc *ir);
315void smi_ir_exit(struct smi_dev *dev);
316int smi_ir_init(struct smi_dev *dev);
317
318#endif /* #ifndef _SMI_PCIE_H_ */
319