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gerrit-public.fairphone.software / kernel / msm-4.19 / 03121f05f98cf9bba8f0fe77ef381c17681e1386 / . / drivers / media / video / cx23885 / cx23885.h
blob: 769a0e7541c07fbc37352c500d77d4288ce8c47a [file] [log] [blame]
Steven Tothd19770e2007-03-11 20:44:05 -0300[diff] [blame]1/*
2 * Driver for the Conexant CX23885 PCIe bridge
3 *
4 * Copyright (c) 2006 Steven Toth <stoth@hauppauge.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 *
15 * GNU General Public License for more details.
16 *
17 * You should have received a copy of the GNU General Public License
18 * along with this program; if not, write to the Free Software
19 * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
20 */
21
22#include <linux/pci.h>
23#include <linux/i2c.h>
24#include <linux/i2c-algo-bit.h>
25#include <linux/kdev_t.h>
26
27#include <media/v4l2-common.h>
28#include <media/tuner.h>
29#include <media/tveeprom.h>
30#include <media/video-buf.h>
Michael Krufky03121f052007-03-11 20:57:52 -0300[diff] [blame^]31#if defined(CONFIG_VIDEO_BUF_DVB) || defined(CONFIG_VIDEO_BUF_DVB_MODULE)
Steven Tothd19770e2007-03-11 20:44:05 -0300[diff] [blame]32#include <media/video-buf-dvb.h>
Michael Krufky03121f052007-03-11 20:57:52 -0300[diff] [blame^]33#endif
Steven Tothd19770e2007-03-11 20:44:05 -0300[diff] [blame]34
35#include "btcx-risc.h"
36#include "cx23885-reg.h"
37
38#include <linux/version.h>
39#include <linux/mutex.h>
40
41#define CX88_VERSION_CODE KERNEL_VERSION(0,0,6)
42
43#define UNSET (-1U)
44
45#define CX23885_MAXBOARDS 8
46
47#define SRAM 0
48
49/* Max number of inputs by card */
50#define MAX_CX23885_INPUT 8
51
52//#define SHADOW_MAX 3
53
54#define BUFFER_TIMEOUT (HZ) /* 0.5 seconds */
55
56#define CX23885_BOARD_NOAUTO UNSET
57#define CX23885_BOARD_UNKNOWN 0
58#define CX23885_BOARD_HAUPPAUGE_HVR1800lp 1
59#define CX23885_BOARD_HAUPPAUGE_HVR1800 2
60
61enum cx23885_itype {
62 CX23885_VMUX_COMPOSITE1 = 1,
63 CX23885_VMUX_COMPOSITE2,
64 CX23885_VMUX_COMPOSITE3,
65 CX23885_VMUX_COMPOSITE4,
66 CX23885_VMUX_SVIDEO,
67 CX23885_VMUX_TELEVISION,
68 CX23885_VMUX_CABLE,
69 CX23885_VMUX_DVB,
70 CX23885_VMUX_DEBUG,
71 CX23885_RADIO,
72};
73
74struct cx23885_fmt {
75 char *name;
76 u32 fourcc; /* v4l2 format id */
77 int depth;
78 int flags;
79 u32 cxformat;
80};
81
82/* buffer for one video frame */
83struct cx23885_buffer {
84 /* common v4l buffer stuff -- must be first */
85 struct videobuf_buffer vb;
86
87 /* cx23885 specific */
88 unsigned int bpl;
89 struct btcx_riscmem risc;
90 struct cx23885_fmt *fmt;
91 u32 count;
92};
93
94struct cx23885_input {
95 enum cx23885_itype type;
96 unsigned int vmux;
97 u32 gpio0, gpio1, gpio2, gpio3;
98};
99
100struct cx23885_board {
101 char *name;
102 enum {
103 CX23885_MPEG_UNDEFINED = 0,
104 CX23885_MPEG_DVB
105 } portc;
106 enum {
107 CX23885_BRIDGE_UNDEFINED = 0,
108 CX23885_BRIDGE_885 = 885,
109 CX23885_BRIDGE_887 = 887,
110 } bridge;
111 struct cx23885_input input[MAX_CX23885_INPUT];
112};
113
114struct cx23885_subid {
115 u16 subvendor;
116 u16 subdevice;
117 u32 card;
118};
119
120struct cx23885_i2c {
121 struct cx23885_dev *dev;
122
123 int nr;
124
125 /* i2c i/o */
126 struct i2c_adapter i2c_adap;
127 struct i2c_algo_bit_data i2c_algo;
128 struct i2c_client i2c_client;
129 u32 i2c_rc;
130
131 /* 885 registers used for raw addess */
132 u32 i2c_period;
133 u32 reg_ctrl;
134 u32 reg_stat;
135 u32 reg_addr;
136 u32 reg_rdata;
137 u32 reg_wdata;
138};
139
140struct cx23885_dmaqueue {
141 struct list_head active;
142 struct list_head queued;
143 struct timer_list timeout;
144 struct btcx_riscmem stopper;
145 u32 count;
146};
147
148struct cx23885_tsport {
149 struct cx23885_dev *dev;
150
151 int nr;
152 int sram_chno;
153
154 struct videobuf_dvb dvb;
155
156 /* dma queues */
157 struct cx23885_dmaqueue mpegq;
158 u32 ts_packet_size;
159 u32 ts_packet_count;
160
161 int width;
162 int height;
163
164 spinlock_t slock;
165
166 /* registers */
167 u32 reg_gpcnt;
168 u32 reg_gpcnt_ctl;
169 u32 reg_dma_ctl;
170 u32 reg_lngth;
171 u32 reg_hw_sop_ctrl;
172 u32 reg_gen_ctrl;
173 u32 reg_bd_pkt_status;
174 u32 reg_sop_status;
175 u32 reg_fifo_ovfl_stat;
176 u32 reg_vld_misc;
177 u32 reg_ts_clk_en;
178 u32 reg_ts_int_msk;
179
180 /* Default register vals */
181 int pci_irqmask;
182 u32 dma_ctl_val;
183 u32 ts_int_msk_val;
184 u32 gen_ctrl_val;
185 u32 ts_clk_en_val;
186};
187
188struct cx23885_dev {
189 struct list_head devlist;
190 atomic_t refcount;
191
192 /* pci stuff */
193 struct pci_dev *pci;
194 unsigned char pci_rev, pci_lat;
195 int pci_bus, pci_slot;
196 u32 __iomem *lmmio;
197 u8 __iomem *bmmio;
198 //u32 shadow[SHADOW_MAX];
199 int pci_irqmask;
200
201 /* I2C adapters: Master 1 and 2 (External) and Master 3 (Internal only) */
202 struct cx23885_i2c i2c_bus[3];
203
204 int nr;
205 struct mutex lock;
206
207 /* board details */
208 unsigned int board;
209 char name[32];
210
211 struct cx23885_tsport ts2;
212
213 /* sram configuration */
214 struct sram_channel *sram_channels;
215};
216
217#define SRAM_CH01 0 /* Video A */
218#define SRAM_CH02 1 /* VBI A */
219#define SRAM_CH03 2 /* Video B */
220#define SRAM_CH04 3 /* Transport via B */
221#define SRAM_CH05 4 /* VBI B */
222#define SRAM_CH06 5 /* Video C */
223#define SRAM_CH07 6 /* Transport via C */
224#define SRAM_CH08 7 /* Audio Internal A */
225#define SRAM_CH09 8 /* Audio Internal B */
226#define SRAM_CH10 9 /* Audio External */
227#define SRAM_CH11 10 /* COMB_3D_N */
228#define SRAM_CH12 11 /* Comb 3D N1 */
229#define SRAM_CH13 12 /* Comb 3D N2 */
230#define SRAM_CH14 13 /* MOE Vid */
231#define SRAM_CH15 14 /* MOE RSLT */
232
233struct sram_channel {
234 char *name;
235 u32 cmds_start;
236 u32 ctrl_start;
237 u32 cdt;
238 u32 fifo_start;;
239 u32 fifo_size;
240 u32 ptr1_reg;
241 u32 ptr2_reg;
242 u32 cnt1_reg;
243 u32 cnt2_reg;
244 u32 jumponly;
245};
246
247/* ----------------------------------------------------------- */
248
249#define cx_read(reg) readl(dev->lmmio + ((reg)>>2))
250#define cx_write(reg,value) writel((value), dev->lmmio + ((reg)>>2))
251
252#define cx_andor(reg,mask,value) \
253 writel((readl(dev->lmmio+((reg)>>2)) & ~(mask)) |\
254 ((value) & (mask)), dev->lmmio+((reg)>>2))
255
256#define cx_set(reg,bit) cx_andor((reg),(bit),(bit))
257#define cx_clear(reg,bit) cx_andor((reg),(bit),0)
258
259
260extern int cx23885_sram_channel_setup(struct cx23885_dev *dev,
261 struct sram_channel *ch,
262 unsigned int bpl, u32 risc);
263
264/* ----------------------------------------------------------- */
265/* cx23885-cards.c */
266
267extern struct cx23885_board cx23885_boards[];
268extern const unsigned int cx23885_bcount;
269
270extern struct cx23885_subid cx23885_subids[];
271extern const unsigned int cx23885_idcount;
272
273extern void cx23885_card_list(struct cx23885_dev *dev);
274extern void cx23885_card_setup(struct cx23885_dev *dev);
275extern void cx23885_card_setup_pre_i2c(struct cx23885_dev *dev);
276
277extern int cx23885_dvb_register(struct cx23885_tsport *port);
278extern int cx23885_dvb_unregister(struct cx23885_tsport *port);
279
280extern int cx23885_buf_prepare(struct videobuf_queue *q, struct cx23885_tsport *port,
281 struct cx23885_buffer *buf, enum v4l2_field field);
282
283extern void cx23885_buf_queue(struct cx23885_tsport *port, struct cx23885_buffer *buf);
284extern void cx23885_free_buffer(struct videobuf_queue *q, struct cx23885_buffer *buf);
285
286/* ----------------------------------------------------------- */
287/* cx23885-i2c.c */
288extern int cx23885_i2c_register(struct cx23885_i2c *bus);
289extern int cx23885_i2c_unregister(struct cx23885_i2c *bus);
290extern void cx23885_call_i2c_clients(struct cx23885_i2c *bus, unsigned int cmd, void *arg);
291
292/*
293 * Local variables:
294 * c-basic-offset: 8
295 * End:
296 * kate: eol "unix"; indent-width 3; remove-trailing-space on; replace-trailing-space-save on; tab-width 8; replace-tabs off; space-indent off; mixed-indent off
297 */