blob: 7bf08cebb63325befbf56036873d0d2d4e2808b4 [file] [log] [blame]
akpm@osdl.orga6c2ba22005-11-08 21:37:07 -08001/*
Michael Krufky0e7072e2006-01-09 15:32:40 -02002 em28xx.h - driver for Empia EM2800/EM2820/2840 USB video capture devices
akpm@osdl.orga6c2ba22005-11-08 21:37:07 -08003
4 Copyright (C) 2005 Markus Rechberger <mrechberger@gmail.com>
Mauro Carvalho Chehab4ac97912005-11-08 21:37:43 -08005 Ludovico Cavedon <cavedon@sssup.it>
Mauro Carvalho Chehab2e7c6dc2006-04-03 07:53:40 -03006 Mauro Carvalho Chehab <mchehab@infradead.org>
akpm@osdl.orga6c2ba22005-11-08 21:37:07 -08007
8 Based on the em2800 driver from Sascha Sommer <saschasommer@freenet.de>
9
10 This program is free software; you can redistribute it and/or modify
11 it under the terms of the GNU General Public License as published by
12 the Free Software Foundation; either version 2 of the License, or
13 (at your option) any later version.
14
15 This program is distributed in the hope that it will be useful,
16 but WITHOUT ANY WARRANTY; without even the implied warranty of
17 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
18 GNU General Public License for more details.
19
20 You should have received a copy of the GNU General Public License
21 along with this program; if not, write to the Free Software
22 Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
23 */
24
Mauro Carvalho Chehab3acf2802005-11-08 21:38:27 -080025#ifndef _EM28XX_H
26#define _EM28XX_H
akpm@osdl.orga6c2ba22005-11-08 21:37:07 -080027
Mauro Carvalho Chehabcb77d012007-11-11 13:23:54 -030028#include <linux/videodev2.h>
Mauro Carvalho Chehabad0ebb92008-04-13 14:37:52 -030029#include <media/videobuf-vmalloc.h>
30
akpm@osdl.orga6c2ba22005-11-08 21:37:07 -080031#include <linux/i2c.h>
Ingo Molnar3593cab2006-02-07 06:49:14 -020032#include <linux/mutex.h>
Mauro Carvalho Chehabd5e52652005-11-08 21:37:32 -080033#include <media/ir-kbd-i2c.h>
Mauro Carvalho Chehab3aefb792008-04-17 21:36:41 -030034#if defined(CONFIG_VIDEO_EM28XX_DVB) || defined(CONFIG_VIDEO_EM28XX_DVB_MODULE)
35#include <media/videobuf-dvb.h>
36#endif
Mauro Carvalho Chehab3ca9c092008-04-17 21:37:53 -030037#include "tuner-xc2028.h"
Mauro Carvalho Chehab2ba890e2008-04-17 21:42:58 -030038#include "em28xx-reg.h"
Mauro Carvalho Chehab3aefb792008-04-17 21:36:41 -030039
40/* Boards supported by driver */
41#define EM2800_BOARD_UNKNOWN 0
42#define EM2820_BOARD_UNKNOWN 1
43#define EM2820_BOARD_TERRATEC_CINERGY_250 2
44#define EM2820_BOARD_PINNACLE_USB_2 3
45#define EM2820_BOARD_HAUPPAUGE_WINTV_USB_2 4
46#define EM2820_BOARD_MSI_VOX_USB_2 5
47#define EM2800_BOARD_TERRATEC_CINERGY_200 6
48#define EM2800_BOARD_LEADTEK_WINFAST_USBII 7
49#define EM2800_BOARD_KWORLD_USB2800 8
50#define EM2820_BOARD_PINNACLE_DVC_90 9
51#define EM2880_BOARD_HAUPPAUGE_WINTV_HVR_900 10
52#define EM2880_BOARD_TERRATEC_HYBRID_XS 11
53#define EM2820_BOARD_KWORLD_PVRTV2800RF 12
54#define EM2880_BOARD_TERRATEC_PRODIGY_XS 13
55#define EM2820_BOARD_PROLINK_PLAYTV_USB2 14
56#define EM2800_BOARD_VGEAR_POCKETTV 15
Mauro Carvalho Chehab10ac6602008-07-27 14:58:58 -030057#define EM2883_BOARD_HAUPPAUGE_WINTV_HVR_950 16
Devin Heitmueller4fd305b2008-06-04 13:43:46 -030058#define EM2880_BOARD_PINNACLE_PCTV_HD_PRO 17
Devin Heitmueller17d9d552008-06-08 10:22:03 -030059#define EM2880_BOARD_HAUPPAUGE_WINTV_HVR_900_R2 18
Devin Heitmuellera9fc52b2008-06-28 08:57:06 -030060#define EM2860_BOARD_POINTNIX_INTRAORAL_CAMERA 19
Devin Heitmuellere14b3652008-07-26 11:04:33 -030061#define EM2880_BOARD_AMD_ATI_TV_WONDER_HD_600 20
Aron Szabo59d07f12008-07-27 13:47:52 -030062#define EM2800_BOARD_GRABBEEX_USB2800 21
Douglas Schilling Landgraf95b86a92008-07-27 14:03:32 -030063#define EM2750_BOARD_UNKNOWN 22
64#define EM2750_BOARD_DLCW_130 23
65#define EM2820_BOARD_DLINK_USB_TV 24
66#define EM2820_BOARD_GADMEI_UTV310 25
67#define EM2820_BOARD_HERCULES_SMART_TV_USB2 26
68#define EM2820_BOARD_PINNACLE_USB_2_FM1216ME 27
69#define EM2820_BOARD_LEADTEK_WINFAST_USBII_DELUXE 28
70#define EM2820_BOARD_PINNACLE_DVC_100 29
71#define EM2820_BOARD_VIDEOLOGY_20K14XUSB 30
72#define EM2821_BOARD_USBGEAR_VD204 31
73#define EM2821_BOARD_SUPERCOMP_USB_2 32
74#define EM2821_BOARD_PROLINK_PLAYTV_USB2 33
75#define EM2860_BOARD_TERRATEC_HYBRID_XS 34
76#define EM2860_BOARD_TYPHOON_DVD_MAKER 35
77#define EM2860_BOARD_NETGMBH_CAM 36
78#define EM2860_BOARD_GADMEI_UTV330 37
79#define EM2861_BOARD_YAKUMO_MOVIE_MIXER 38
80#define EM2861_BOARD_KWORLD_PVRTV_300U 39
81#define EM2861_BOARD_PLEXTOR_PX_TV100U 40
82#define EM2870_BOARD_KWORLD_350U 41
83#define EM2870_BOARD_KWORLD_355U 42
84#define EM2870_BOARD_TERRATEC_XS 43
85#define EM2870_BOARD_TERRATEC_XS_MT2060 44
86#define EM2870_BOARD_PINNACLE_PCTV_DVB 45
87#define EM2870_BOARD_COMPRO_VIDEOMATE 46
88#define EM2880_BOARD_KWORLD_DVB_305U 47
89#define EM2880_BOARD_KWORLD_DVB_310U 48
90#define EM2880_BOARD_MSI_DIGIVOX_AD 49
91#define EM2880_BOARD_MSI_DIGIVOX_AD_II 50
92#define EM2880_BOARD_TERRATEC_HYBRID_XS_FR 51
93#define EM2881_BOARD_DNT_DA2_HYBRID 52
94#define EM2881_BOARD_PINNACLE_HYBRID_PRO 53
95#define EM2882_BOARD_KWORLD_VS_DVBT 54
96#define EM2882_BOARD_TERRATEC_HYBRID_XS 55
97#define EM2882_BOARD_PINNACLE_HYBRID_PRO 56
98#define EM2883_BOARD_KWORLD_HYBRID_A316 57
Mauro Carvalho Chehabee281b82008-07-27 16:58:04 -030099#define EM2820_BOARD_COMPRO_VIDEOMATE_FORYOU 58
Mauro Carvalho Chehab3aefb792008-04-17 21:36:41 -0300100
101/* Limits minimum and default number of buffers */
102#define EM28XX_MIN_BUF 4
103#define EM28XX_DEF_BUF 8
akpm@osdl.orga6c2ba22005-11-08 21:37:07 -0800104
Mauro Carvalho Chehabc4a98792008-11-18 14:51:08 -0300105/*Limits the max URB message size */
106#define URB_MAX_CTRL_SIZE 80
107
Douglas Schilling Landgraf95b86a92008-07-27 14:03:32 -0300108/* Params for validated field */
109#define EM28XX_BOARD_NOT_VALIDATED 1
110#define EM28XX_BOARD_VALIDATED 0
111
Mauro Carvalho Chehab596d92d2005-11-08 21:37:24 -0800112/* maximum number of em28xx boards */
Mauro Carvalho Chehab3687e1e2008-02-08 15:44:25 -0300113#define EM28XX_MAXBOARDS 4 /*FIXME: should be bigger */
Mauro Carvalho Chehab596d92d2005-11-08 21:37:24 -0800114
akpm@osdl.orga6c2ba22005-11-08 21:37:07 -0800115/* maximum number of frames that can be queued */
Mauro Carvalho Chehab3acf2802005-11-08 21:38:27 -0800116#define EM28XX_NUM_FRAMES 5
akpm@osdl.orga6c2ba22005-11-08 21:37:07 -0800117/* number of frames that get used for v4l2_read() */
Mauro Carvalho Chehab3acf2802005-11-08 21:38:27 -0800118#define EM28XX_NUM_READ_FRAMES 2
akpm@osdl.orga6c2ba22005-11-08 21:37:07 -0800119
120/* number of buffers for isoc transfers */
Mauro Carvalho Chehab3acf2802005-11-08 21:38:27 -0800121#define EM28XX_NUM_BUFS 5
akpm@osdl.orga6c2ba22005-11-08 21:37:07 -0800122
Mauro Carvalho Chehabd5e52652005-11-08 21:37:32 -0800123/* number of packets for each buffer
124 windows requests only 40 packets .. so we better do the same
125 this is what I found out for all alternate numbers there!
126 */
Mauro Carvalho Chehab3acf2802005-11-08 21:38:27 -0800127#define EM28XX_NUM_PACKETS 40
akpm@osdl.orga6c2ba22005-11-08 21:37:07 -0800128
akpm@osdl.orga6c2ba22005-11-08 21:37:07 -0800129/* default alternate; 0 means choose the best */
Mauro Carvalho Chehab3acf2802005-11-08 21:38:27 -0800130#define EM28XX_PINOUT 0
akpm@osdl.orga6c2ba22005-11-08 21:37:07 -0800131
Mauro Carvalho Chehab3acf2802005-11-08 21:38:27 -0800132#define EM28XX_INTERLACED_DEFAULT 1
akpm@osdl.orga6c2ba22005-11-08 21:37:07 -0800133
134/*
135#define (use usbview if you want to get the other alternate number infos)
136#define
137#define alternate number 2
138#define Endpoint Address: 82
139 Direction: in
140 Attribute: 1
141 Type: Isoc
142 Max Packet Size: 1448
143 Interval: 125us
144
145 alternate number 7
146
147 Endpoint Address: 82
148 Direction: in
149 Attribute: 1
150 Type: Isoc
151 Max Packet Size: 3072
152 Interval: 125us
153*/
154
155/* time to wait when stopping the isoc transfer */
Mauro Carvalho Chehab3acf2802005-11-08 21:38:27 -0800156#define EM28XX_URB_TIMEOUT msecs_to_jiffies(EM28XX_NUM_BUFS * EM28XX_NUM_PACKETS)
akpm@osdl.orga6c2ba22005-11-08 21:37:07 -0800157
Mauro Carvalho Chehab596d92d2005-11-08 21:37:24 -0800158/* time in msecs to wait for i2c writes to finish */
159#define EM2800_I2C_WRITE_TIMEOUT 20
160
Mauro Carvalho Chehab3aefb792008-04-17 21:36:41 -0300161enum em28xx_mode {
Mauro Carvalho Chehabc67ec532008-04-17 21:48:00 -0300162 EM28XX_MODE_UNDEFINED,
Mauro Carvalho Chehab3aefb792008-04-17 21:36:41 -0300163 EM28XX_ANALOG_MODE,
164 EM28XX_DIGITAL_MODE,
165};
166
Mauro Carvalho Chehab3acf2802005-11-08 21:38:27 -0800167enum em28xx_stream_state {
akpm@osdl.orga6c2ba22005-11-08 21:37:07 -0800168 STREAM_OFF,
169 STREAM_INTERRUPT,
170 STREAM_ON,
171};
172
Aidan Thornton579f72e2008-04-17 21:40:16 -0300173struct em28xx;
174
Mauro Carvalho Chehabad0ebb92008-04-13 14:37:52 -0300175struct em28xx_usb_isoc_ctl {
176 /* max packet size of isoc transaction */
177 int max_pkt_size;
178
179 /* number of allocated urbs */
180 int num_bufs;
181
182 /* urb for isoc transfers */
183 struct urb **urb;
184
185 /* transfer buffers for isoc transfer */
186 char **transfer_buffer;
187
188 /* Last buffer command and region */
189 u8 cmd;
190 int pos, size, pktsize;
191
192 /* Last field: ODD or EVEN? */
193 int field;
194
195 /* Stores incomplete commands */
196 u32 tmp_buf;
197 int tmp_buf_len;
198
199 /* Stores already requested buffers */
200 struct em28xx_buffer *buf;
201
202 /* Stores the number of received fields */
203 int nfields;
Aidan Thornton579f72e2008-04-17 21:40:16 -0300204
205 /* isoc urb callback */
206 int (*isoc_copy) (struct em28xx *dev, struct urb *urb);
207
Mauro Carvalho Chehabad0ebb92008-04-13 14:37:52 -0300208};
209
210struct em28xx_fmt {
211 char *name;
212 u32 fourcc; /* v4l2 format id */
213};
214
215/* buffer for one video frame */
216struct em28xx_buffer {
217 /* common v4l buffer stuff -- must be first */
218 struct videobuf_buffer vb;
219
akpm@osdl.orga6c2ba22005-11-08 21:37:07 -0800220 struct list_head frame;
akpm@osdl.orga6c2ba22005-11-08 21:37:07 -0800221 int top_field;
Mauro Carvalho Chehabad0ebb92008-04-13 14:37:52 -0300222 int receiving;
223};
224
225struct em28xx_dmaqueue {
226 struct list_head active;
227 struct list_head queued;
Mauro Carvalho Chehabad0ebb92008-04-13 14:37:52 -0300228
229 wait_queue_head_t wq;
230
231 /* Counters to control buffer fill */
232 int pos;
akpm@osdl.orga6c2ba22005-11-08 21:37:07 -0800233};
234
235/* io methods */
Mauro Carvalho Chehab3acf2802005-11-08 21:38:27 -0800236enum em28xx_io_method {
akpm@osdl.orga6c2ba22005-11-08 21:37:07 -0800237 IO_NONE,
238 IO_READ,
239 IO_MMAP,
240};
241
242/* inputs */
243
Mauro Carvalho Chehab3acf2802005-11-08 21:38:27 -0800244#define MAX_EM28XX_INPUT 4
245enum enum28xx_itype {
246 EM28XX_VMUX_COMPOSITE1 = 1,
247 EM28XX_VMUX_COMPOSITE2,
248 EM28XX_VMUX_COMPOSITE3,
249 EM28XX_VMUX_COMPOSITE4,
250 EM28XX_VMUX_SVIDEO,
251 EM28XX_VMUX_TELEVISION,
252 EM28XX_VMUX_CABLE,
253 EM28XX_VMUX_DVB,
254 EM28XX_VMUX_DEBUG,
255 EM28XX_RADIO,
akpm@osdl.orga6c2ba22005-11-08 21:37:07 -0800256};
257
Mauro Carvalho Chehab539c96d2008-01-05 09:53:54 -0300258enum em28xx_amux {
259 EM28XX_AMUX_VIDEO,
260 EM28XX_AMUX_LINE_IN,
261 EM28XX_AMUX_AC97_VIDEO,
262 EM28XX_AMUX_AC97_LINE_IN,
263};
264
Mauro Carvalho Chehab3acf2802005-11-08 21:38:27 -0800265struct em28xx_input {
266 enum enum28xx_itype type;
akpm@osdl.orga6c2ba22005-11-08 21:37:07 -0800267 unsigned int vmux;
Mauro Carvalho Chehab539c96d2008-01-05 09:53:54 -0300268 enum em28xx_amux amux;
akpm@osdl.orga6c2ba22005-11-08 21:37:07 -0800269};
270
Mauro Carvalho Chehab3acf2802005-11-08 21:38:27 -0800271#define INPUT(nr) (&em28xx_boards[dev->model].input[nr])
akpm@osdl.orga6c2ba22005-11-08 21:37:07 -0800272
Mauro Carvalho Chehab3acf2802005-11-08 21:38:27 -0800273enum em28xx_decoder {
Devin Heitmueller1ed1dd52008-11-12 02:04:57 -0300274 EM28XX_NODECODER,
Mauro Carvalho Chehab3acf2802005-11-08 21:38:27 -0800275 EM28XX_TVP5150,
276 EM28XX_SAA7113,
277 EM28XX_SAA7114
akpm@osdl.orga6c2ba22005-11-08 21:37:07 -0800278};
279
Mauro Carvalho Chehab102a0b02008-04-17 21:40:45 -0300280struct em28xx_reg_seq {
281 int reg;
Mauro Carvalho Chehabc67ec532008-04-17 21:48:00 -0300282 unsigned char val, mask;
Mauro Carvalho Chehab102a0b02008-04-17 21:40:45 -0300283 int sleep;
Mauro Carvalho Chehabee6e3a82008-04-17 21:37:31 -0300284};
285
Mauro Carvalho Chehab3acf2802005-11-08 21:38:27 -0800286struct em28xx_board {
akpm@osdl.orga6c2ba22005-11-08 21:37:07 -0800287 char *name;
akpm@osdl.orga6c2ba22005-11-08 21:37:07 -0800288 int vchannels;
akpm@osdl.orga6c2ba22005-11-08 21:37:07 -0800289 int tuner_type;
290
291 /* i2c flags */
292 unsigned int tda9887_conf;
293
Mauro Carvalho Chehab74f38a82008-01-05 09:54:58 -0300294 unsigned int is_em2800:1;
akpm@osdl.orga6c2ba22005-11-08 21:37:07 -0800295 unsigned int has_msp34xx:1;
Mauro Carvalho Chehab5add9a62007-11-22 12:08:53 -0300296 unsigned int mts_firmware:1;
Mauro Carvalho Chehab3abee532008-01-05 17:01:41 -0300297 unsigned int has_12mhz_i2s:1;
Mauro Carvalho Chehabc8793b02008-01-13 15:42:17 -0300298 unsigned int max_range_640_480:1;
Mauro Carvalho Chehab3aefb792008-04-17 21:36:41 -0300299 unsigned int has_dvb:1;
Devin Heitmuellera9fc52b2008-06-28 08:57:06 -0300300 unsigned int has_snapshot_button:1;
Douglas Schilling Landgraf95b86a92008-07-27 14:03:32 -0300301 unsigned int valid:1;
Mauro Carvalho Chehab3abee532008-01-05 17:01:41 -0300302
Mauro Carvalho Chehab3acf2802005-11-08 21:38:27 -0800303 enum em28xx_decoder decoder;
akpm@osdl.orga6c2ba22005-11-08 21:37:07 -0800304
Mauro Carvalho Chehab3acf2802005-11-08 21:38:27 -0800305 struct em28xx_input input[MAX_EM28XX_INPUT];
Mauro Carvalho Chehab0be43752008-01-05 17:22:01 -0300306 struct em28xx_input radio;
akpm@osdl.orga6c2ba22005-11-08 21:37:07 -0800307};
308
Mauro Carvalho Chehab3acf2802005-11-08 21:38:27 -0800309struct em28xx_eeprom {
akpm@osdl.orga6c2ba22005-11-08 21:37:07 -0800310 u32 id; /* 0x9567eb1a */
311 u16 vendor_ID;
312 u16 product_ID;
313
314 u16 chip_conf;
315
316 u16 board_conf;
317
318 u16 string1, string2, string3;
319
320 u8 string_idx_table;
321};
322
323/* device states */
Mauro Carvalho Chehab3acf2802005-11-08 21:38:27 -0800324enum em28xx_dev_state {
akpm@osdl.orga6c2ba22005-11-08 21:37:07 -0800325 DEV_INITIALIZED = 0x01,
326 DEV_DISCONNECTED = 0x02,
327 DEV_MISCONFIGURED = 0x04,
328};
329
Mauro Carvalho Chehab6d794682008-01-05 09:57:31 -0300330#define EM28XX_AUDIO_BUFS 5
331#define EM28XX_NUM_AUDIO_PACKETS 64
332#define EM28XX_AUDIO_MAX_PACKET_SIZE 196 /* static value */
333#define EM28XX_CAPTURE_STREAM_EN 1
Mauro Carvalho Chehab3aefb792008-04-17 21:36:41 -0300334
335/* em28xx extensions */
Mauro Carvalho Chehab6d794682008-01-05 09:57:31 -0300336#define EM28XX_AUDIO 0x10
Mauro Carvalho Chehab3aefb792008-04-17 21:36:41 -0300337#define EM28XX_DVB 0x20
Mauro Carvalho Chehab6d794682008-01-05 09:57:31 -0300338
339struct em28xx_audio {
340 char name[50];
341 char *transfer_buffer[EM28XX_AUDIO_BUFS];
342 struct urb *urb[EM28XX_AUDIO_BUFS];
343 struct usb_device *udev;
344 unsigned int capture_transfer_done;
345 struct snd_pcm_substream *capture_pcm_substream;
346
347 unsigned int hwptr_done_capture;
348 struct snd_card *sndcard;
349
350 int users, shutdown;
351 enum em28xx_stream_state capture_stream;
352 spinlock_t slock;
353};
354
Mauro Carvalho Chehab52284c32008-04-17 21:38:38 -0300355struct em28xx;
356
357struct em28xx_fh {
358 struct em28xx *dev;
359 unsigned int stream_on:1; /* Locks streams */
360 int radio;
361
362 struct videobuf_queue vb_vidq;
363
364 enum v4l2_buf_type type;
365};
366
akpm@osdl.orga6c2ba22005-11-08 21:37:07 -0800367/* main device struct */
Mauro Carvalho Chehab3acf2802005-11-08 21:38:27 -0800368struct em28xx {
akpm@osdl.orga6c2ba22005-11-08 21:37:07 -0800369 /* generic device properties */
370 char name[30]; /* name (including minor) of the device */
371 int model; /* index in the device_data struct */
Mauro Carvalho Chehabe5589be2006-01-23 17:11:08 -0200372 int devno; /* marks the number of this device */
Devin Heitmueller600bd7f2008-11-12 02:05:02 -0300373 enum em28xx_chip_id chip_id;
Mauro Carvalho Chehab74f38a82008-01-05 09:54:58 -0300374 unsigned int is_em2800:1;
akpm@osdl.orga6c2ba22005-11-08 21:37:07 -0800375 unsigned int has_msp34xx:1;
376 unsigned int has_tda9887:1;
Mauro Carvalho Chehaba2254522007-11-11 01:08:26 -0300377 unsigned int stream_on:1; /* Locks streams */
Mauro Carvalho Chehabd7448a82008-01-05 09:59:03 -0300378 unsigned int has_audio_class:1;
Devin Heitmueller24a613e2008-11-12 02:05:19 -0300379 unsigned int has_alsa_audio:1;
Mauro Carvalho Chehab3abee532008-01-05 17:01:41 -0300380 unsigned int has_12mhz_i2s:1;
Mauro Carvalho Chehabc8793b02008-01-13 15:42:17 -0300381 unsigned int max_range_640_480:1;
Mauro Carvalho Chehab3aefb792008-04-17 21:36:41 -0300382 unsigned int has_dvb:1;
Devin Heitmuellera9fc52b2008-06-28 08:57:06 -0300383 unsigned int has_snapshot_button:1;
Douglas Schilling Landgraf95b86a92008-07-27 14:03:32 -0300384 unsigned int valid:1; /* report for validated boards */
Mauro Carvalho Chehaba2254522007-11-11 01:08:26 -0300385
Mauro Carvalho Chehab89b329e2008-04-17 21:42:14 -0300386 /* Some older em28xx chips needs a waiting time after writing */
387 unsigned int wait_after_write;
388
Mauro Carvalho Chehabc67ec532008-04-17 21:48:00 -0300389 /* GPIO sequences for analog and digital mode */
Mauro Carvalho Chehab102a0b02008-04-17 21:40:45 -0300390 struct em28xx_reg_seq *analog_gpio, *digital_gpio;
Mauro Carvalho Chehabee6e3a82008-04-17 21:37:31 -0300391
Mauro Carvalho Chehabc67ec532008-04-17 21:48:00 -0300392 /* GPIO sequences for tuner callbacks */
393 struct em28xx_reg_seq *tun_analog_gpio, *tun_digital_gpio;
394
Mauro Carvalho Chehab74f38a82008-01-05 09:54:58 -0300395 int video_inputs; /* number of video inputs */
396 struct list_head devlist;
397
Mauro Carvalho Chehab9bb13a62006-01-09 15:25:37 -0200398 u32 i2s_speed; /* I2S speed for audio digital stream */
399
Mauro Carvalho Chehab3acf2802005-11-08 21:38:27 -0800400 enum em28xx_decoder decoder;
akpm@osdl.orga6c2ba22005-11-08 21:37:07 -0800401
402 int tuner_type; /* type of the tuner */
403 int tuner_addr; /* tuner address */
404 int tda9887_conf;
405 /* i2c i/o */
406 struct i2c_adapter i2c_adap;
407 struct i2c_client i2c_client;
408 /* video for linux */
409 int users; /* user count for exclusive use */
410 struct video_device *vdev; /* video for linux device struct */
Mauro Carvalho Chehab7d497f82007-11-11 14:15:34 -0300411 v4l2_std_id norm; /* selected tv norm */
akpm@osdl.orga6c2ba22005-11-08 21:37:07 -0800412 int ctl_freq; /* selected frequency */
413 unsigned int ctl_input; /* selected input */
Douglas Schilling Landgraf95b86a92008-07-27 14:03:32 -0300414 unsigned int ctl_ainput;/* selected audio input */
akpm@osdl.orga6c2ba22005-11-08 21:37:07 -0800415 int mute;
416 int volume;
417 /* frame properties */
akpm@osdl.orga6c2ba22005-11-08 21:37:07 -0800418 int width; /* current frame width */
419 int height; /* current frame height */
Hans Verkuild45b9b82008-09-04 03:33:43 -0300420 unsigned hscale; /* horizontal scale factor (see datasheet) */
421 unsigned vscale; /* vertical scale factor (see datasheet) */
akpm@osdl.orga6c2ba22005-11-08 21:37:07 -0800422 int interlaced; /* 1=interlace fileds, 0=just top fileds */
Mauro Carvalho Chehab9e31ced2007-11-11 01:13:49 -0300423 unsigned int video_bytesread; /* Number of bytes read */
akpm@osdl.orga6c2ba22005-11-08 21:37:07 -0800424
Mauro Carvalho Chehab03910cc2007-11-03 21:20:59 -0300425 unsigned long hash; /* eeprom hash - for boards with generic ID */
Douglas Schilling Landgraf6ea54d92008-04-17 21:41:10 -0300426 unsigned long i2c_hash; /* i2c devicelist hash -
427 for boards with generic ID */
Mauro Carvalho Chehab03910cc2007-11-03 21:20:59 -0300428
Mauro Carvalho Chehab6d794682008-01-05 09:57:31 -0300429 struct em28xx_audio *adev;
430
akpm@osdl.orga6c2ba22005-11-08 21:37:07 -0800431 /* states */
Mauro Carvalho Chehab3acf2802005-11-08 21:38:27 -0800432 enum em28xx_dev_state state;
Mauro Carvalho Chehab3acf2802005-11-08 21:38:27 -0800433 enum em28xx_io_method io;
Mauro Carvalho Chehab9e31ced2007-11-11 01:13:49 -0300434
Mauro Carvalho Chehabd7448a82008-01-05 09:59:03 -0300435 struct work_struct request_module_wk;
436
akpm@osdl.orga6c2ba22005-11-08 21:37:07 -0800437 /* locks */
Sascha Sommer5a804152007-11-03 21:22:38 -0300438 struct mutex lock;
Mauro Carvalho Chehabf2a2e492008-11-19 06:17:44 -0300439 struct mutex ctrl_urb_lock; /* protects urb_buf */
Aidan Thorntond7aa8022008-04-13 14:38:47 -0300440 /* spinlock_t queue_lock; */
akpm@osdl.orga6c2ba22005-11-08 21:37:07 -0800441 struct list_head inqueue, outqueue;
442 wait_queue_head_t open, wait_frame, wait_stream;
443 struct video_device *vbi_dev;
Mauro Carvalho Chehab0be43752008-01-05 17:22:01 -0300444 struct video_device *radio_dev;
akpm@osdl.orga6c2ba22005-11-08 21:37:07 -0800445
446 unsigned char eedata[256];
447
Mauro Carvalho Chehabad0ebb92008-04-13 14:37:52 -0300448 /* Isoc control struct */
449 struct em28xx_dmaqueue vidq;
450 struct em28xx_usb_isoc_ctl isoc_ctl;
451 spinlock_t slock;
452
akpm@osdl.orga6c2ba22005-11-08 21:37:07 -0800453 /* usb transfer */
454 struct usb_device *udev; /* the usb device */
455 int alt; /* alternate */
456 int max_pkt_size; /* max packet size of isoc transaction */
Mauro Carvalho Chehab9d4d9c02005-11-08 21:38:52 -0800457 int num_alt; /* Number of alternative settings */
458 unsigned int *alt_max_pkt_size; /* array of wMaxPacketSize */
Mauro Carvalho Chehab3acf2802005-11-08 21:38:27 -0800459 struct urb *urb[EM28XX_NUM_BUFS]; /* urb for isoc transfers */
460 char *transfer_buffer[EM28XX_NUM_BUFS]; /* transfer buffers for isoc transfer */
Mauro Carvalho Chehabc4a98792008-11-18 14:51:08 -0300461 char urb_buf[URB_MAX_CTRL_SIZE]; /* urb control msg buffer */
462
akpm@osdl.orga6c2ba22005-11-08 21:37:07 -0800463 /* helper funcs that call usb_control_msg */
Douglas Schilling Landgraf6ea54d92008-04-17 21:41:10 -0300464 int (*em28xx_write_regs) (struct em28xx *dev, u16 reg,
akpm@osdl.orga6c2ba22005-11-08 21:37:07 -0800465 char *buf, int len);
Douglas Schilling Landgraf6ea54d92008-04-17 21:41:10 -0300466 int (*em28xx_read_reg) (struct em28xx *dev, u16 reg);
467 int (*em28xx_read_reg_req_len) (struct em28xx *dev, u8 req, u16 reg,
468 char *buf, int len);
469 int (*em28xx_write_regs_req) (struct em28xx *dev, u8 req, u16 reg,
akpm@osdl.orga6c2ba22005-11-08 21:37:07 -0800470 char *buf, int len);
Douglas Schilling Landgraf6ea54d92008-04-17 21:41:10 -0300471 int (*em28xx_read_reg_req) (struct em28xx *dev, u8 req, u16 reg);
Mauro Carvalho Chehab3aefb792008-04-17 21:36:41 -0300472
473 enum em28xx_mode mode;
474
Devin Heitmueller6a1acc32008-11-12 02:05:06 -0300475 /* register numbers for GPO/GPIO registers */
476 u16 reg_gpo_num, reg_gpio_num;
477
Mauro Carvalho Chehabc67ec532008-04-17 21:48:00 -0300478 /* Caches GPO and GPIO registers */
479 unsigned char reg_gpo, reg_gpio;
480
Devin Heitmuellera9fc52b2008-06-28 08:57:06 -0300481 /* Snapshot button */
482 char snapshot_button_path[30]; /* path of the input dev */
483 struct input_dev *sbutton_input_dev;
484 struct delayed_work sbutton_query_work;
485
Aidan Thornton3421b772008-04-17 21:40:36 -0300486 struct em28xx_dvb *dvb;
akpm@osdl.orga6c2ba22005-11-08 21:37:07 -0800487};
488
Mauro Carvalho Chehab6d794682008-01-05 09:57:31 -0300489struct em28xx_ops {
490 struct list_head next;
491 char *name;
492 int id;
493 int (*init)(struct em28xx *);
494 int (*fini)(struct em28xx *);
Mauro Carvalho Chehaba3a048c2007-11-10 22:21:01 -0300495};
496
Mauro Carvalho Chehab3acf2802005-11-08 21:38:27 -0800497/* Provided by em28xx-i2c.c */
akpm@osdl.orga6c2ba22005-11-08 21:37:07 -0800498
Mauro Carvalho Chehab3acf2802005-11-08 21:38:27 -0800499void em28xx_i2c_call_clients(struct em28xx *dev, unsigned int cmd, void *arg);
Sascha Sommerfad7b952007-11-04 08:06:48 -0300500void em28xx_do_i2c_scan(struct em28xx *dev);
Mauro Carvalho Chehab3acf2802005-11-08 21:38:27 -0800501int em28xx_i2c_register(struct em28xx *dev);
502int em28xx_i2c_unregister(struct em28xx *dev);
akpm@osdl.orga6c2ba22005-11-08 21:37:07 -0800503
Mauro Carvalho Chehab3acf2802005-11-08 21:38:27 -0800504/* Provided by em28xx-core.c */
akpm@osdl.orga6c2ba22005-11-08 21:37:07 -0800505
Mauro Carvalho Chehab3acf2802005-11-08 21:38:27 -0800506u32 em28xx_request_buffers(struct em28xx *dev, u32 count);
507void em28xx_queue_unusedframes(struct em28xx *dev);
508void em28xx_release_buffers(struct em28xx *dev);
akpm@osdl.orga6c2ba22005-11-08 21:37:07 -0800509
Mauro Carvalho Chehab3acf2802005-11-08 21:38:27 -0800510int em28xx_read_reg_req_len(struct em28xx *dev, u8 req, u16 reg,
akpm@osdl.orga6c2ba22005-11-08 21:37:07 -0800511 char *buf, int len);
Mauro Carvalho Chehab3acf2802005-11-08 21:38:27 -0800512int em28xx_read_reg_req(struct em28xx *dev, u8 req, u16 reg);
513int em28xx_read_reg(struct em28xx *dev, u16 reg);
514int em28xx_write_regs_req(struct em28xx *dev, u8 req, u16 reg, char *buf,
akpm@osdl.orga6c2ba22005-11-08 21:37:07 -0800515 int len);
Mauro Carvalho Chehab3acf2802005-11-08 21:38:27 -0800516int em28xx_write_regs(struct em28xx *dev, u16 reg, char *buf, int len);
Mauro Carvalho Chehab3acf2802005-11-08 21:38:27 -0800517int em28xx_audio_analog_set(struct em28xx *dev);
Mauro Carvalho Chehab539c96d2008-01-05 09:53:54 -0300518
Mauro Carvalho Chehab3acf2802005-11-08 21:38:27 -0800519int em28xx_colorlevels_set_default(struct em28xx *dev);
520int em28xx_capture_start(struct em28xx *dev, int start);
521int em28xx_outfmt_set_yuv422(struct em28xx *dev);
Mauro Carvalho Chehab3acf2802005-11-08 21:38:27 -0800522int em28xx_resolution_set(struct em28xx *dev);
Mauro Carvalho Chehab3acf2802005-11-08 21:38:27 -0800523int em28xx_set_alternate(struct em28xx *dev);
Aidan Thornton579f72e2008-04-17 21:40:16 -0300524int em28xx_init_isoc(struct em28xx *dev, int max_packets,
525 int num_bufs, int max_pkt_size,
Mauro Carvalho Chehabc67ec532008-04-17 21:48:00 -0300526 int (*isoc_copy) (struct em28xx *dev, struct urb *urb));
Aidan Thornton579f72e2008-04-17 21:40:16 -0300527void em28xx_uninit_isoc(struct em28xx *dev);
Mauro Carvalho Chehabc67ec532008-04-17 21:48:00 -0300528int em28xx_set_mode(struct em28xx *dev, enum em28xx_mode set_mode);
529int em28xx_gpio_set(struct em28xx *dev, struct em28xx_reg_seq *gpio);
akpm@osdl.orga6c2ba22005-11-08 21:37:07 -0800530
Mauro Carvalho Chehab6d794682008-01-05 09:57:31 -0300531/* Provided by em28xx-video.c */
532int em28xx_register_extension(struct em28xx_ops *dev);
533void em28xx_unregister_extension(struct em28xx_ops *dev);
534
Mauro Carvalho Chehab3acf2802005-11-08 21:38:27 -0800535/* Provided by em28xx-cards.c */
Douglas Schilling Landgraf6ea54d92008-04-17 21:41:10 -0300536extern int em2800_variant_detect(struct usb_device *udev, int model);
Markus Rechbergera94e95b2006-01-23 17:11:10 -0200537extern void em28xx_pre_card_setup(struct em28xx *dev);
Mauro Carvalho Chehab3acf2802005-11-08 21:38:27 -0800538extern void em28xx_card_setup(struct em28xx *dev);
539extern struct em28xx_board em28xx_boards[];
540extern struct usb_device_id em28xx_id_table[];
541extern const unsigned int em28xx_bcount;
Mauro Carvalho Chehabc8793b02008-01-13 15:42:17 -0300542void em28xx_set_ir(struct em28xx *dev, struct IR_i2c *ir);
Michael Krufkyd7cba042008-09-12 13:31:45 -0300543int em28xx_tuner_callback(void *ptr, int component, int command, int arg);
Mauro Carvalho Chehabc8793b02008-01-13 15:42:17 -0300544
545/* Provided by em28xx-input.c */
546/* TODO: Check if the standard get_key handlers on ir-common can be used */
547int em28xx_get_key_terratec(struct IR_i2c *ir, u32 *ir_key, u32 *ir_raw);
548int em28xx_get_key_em_haup(struct IR_i2c *ir, u32 *ir_key, u32 *ir_raw);
549int em28xx_get_key_pinnacle_usb_grey(struct IR_i2c *ir, u32 *ir_key,
550 u32 *ir_raw);
Devin Heitmuellera9fc52b2008-06-28 08:57:06 -0300551void em28xx_register_snapshot_button(struct em28xx *dev);
552void em28xx_deregister_snapshot_button(struct em28xx *dev);
akpm@osdl.orga6c2ba22005-11-08 21:37:07 -0800553
akpm@osdl.orga6c2ba22005-11-08 21:37:07 -0800554/* printk macros */
555
Mauro Carvalho Chehab3acf2802005-11-08 21:38:27 -0800556#define em28xx_err(fmt, arg...) do {\
Jean Delvaref85c6572005-12-19 08:53:59 -0200557 printk(KERN_ERR fmt , ##arg); } while (0)
akpm@osdl.orga6c2ba22005-11-08 21:37:07 -0800558
Mauro Carvalho Chehab3acf2802005-11-08 21:38:27 -0800559#define em28xx_errdev(fmt, arg...) do {\
Mauro Carvalho Chehab4ac97912005-11-08 21:37:43 -0800560 printk(KERN_ERR "%s: "fmt,\
Jean Delvaref85c6572005-12-19 08:53:59 -0200561 dev->name , ##arg); } while (0)
akpm@osdl.orga6c2ba22005-11-08 21:37:07 -0800562
Mauro Carvalho Chehab3acf2802005-11-08 21:38:27 -0800563#define em28xx_info(fmt, arg...) do {\
Mauro Carvalho Chehab4ac97912005-11-08 21:37:43 -0800564 printk(KERN_INFO "%s: "fmt,\
Jean Delvaref85c6572005-12-19 08:53:59 -0200565 dev->name , ##arg); } while (0)
Mauro Carvalho Chehab3acf2802005-11-08 21:38:27 -0800566#define em28xx_warn(fmt, arg...) do {\
Mauro Carvalho Chehab4ac97912005-11-08 21:37:43 -0800567 printk(KERN_WARNING "%s: "fmt,\
Jean Delvaref85c6572005-12-19 08:53:59 -0200568 dev->name , ##arg); } while (0)
akpm@osdl.orga6c2ba22005-11-08 21:37:07 -0800569
Douglas Schilling Landgraf6ea54d92008-04-17 21:41:10 -0300570static inline int em28xx_compression_disable(struct em28xx *dev)
akpm@osdl.orga6c2ba22005-11-08 21:37:07 -0800571{
572 /* side effect of disabling scaler and mixer */
Mauro Carvalho Chehab41facaa2008-04-17 21:44:58 -0300573 return em28xx_write_regs(dev, EM28XX_R26_COMPR, "\x00", 1);
akpm@osdl.orga6c2ba22005-11-08 21:37:07 -0800574}
575
Douglas Schilling Landgraf6ea54d92008-04-17 21:41:10 -0300576static inline int em28xx_contrast_get(struct em28xx *dev)
akpm@osdl.orga6c2ba22005-11-08 21:37:07 -0800577{
Mauro Carvalho Chehab41facaa2008-04-17 21:44:58 -0300578 return em28xx_read_reg(dev, EM28XX_R20_YGAIN) & 0x1f;
akpm@osdl.orga6c2ba22005-11-08 21:37:07 -0800579}
580
Douglas Schilling Landgraf6ea54d92008-04-17 21:41:10 -0300581static inline int em28xx_brightness_get(struct em28xx *dev)
akpm@osdl.orga6c2ba22005-11-08 21:37:07 -0800582{
Mauro Carvalho Chehab41facaa2008-04-17 21:44:58 -0300583 return em28xx_read_reg(dev, EM28XX_R21_YOFFSET);
akpm@osdl.orga6c2ba22005-11-08 21:37:07 -0800584}
585
Douglas Schilling Landgraf6ea54d92008-04-17 21:41:10 -0300586static inline int em28xx_saturation_get(struct em28xx *dev)
akpm@osdl.orga6c2ba22005-11-08 21:37:07 -0800587{
Mauro Carvalho Chehab41facaa2008-04-17 21:44:58 -0300588 return em28xx_read_reg(dev, EM28XX_R22_UVGAIN) & 0x1f;
akpm@osdl.orga6c2ba22005-11-08 21:37:07 -0800589}
590
Douglas Schilling Landgraf6ea54d92008-04-17 21:41:10 -0300591static inline int em28xx_u_balance_get(struct em28xx *dev)
akpm@osdl.orga6c2ba22005-11-08 21:37:07 -0800592{
Mauro Carvalho Chehab41facaa2008-04-17 21:44:58 -0300593 return em28xx_read_reg(dev, EM28XX_R23_UOFFSET);
akpm@osdl.orga6c2ba22005-11-08 21:37:07 -0800594}
595
Douglas Schilling Landgraf6ea54d92008-04-17 21:41:10 -0300596static inline int em28xx_v_balance_get(struct em28xx *dev)
akpm@osdl.orga6c2ba22005-11-08 21:37:07 -0800597{
Mauro Carvalho Chehab41facaa2008-04-17 21:44:58 -0300598 return em28xx_read_reg(dev, EM28XX_R24_VOFFSET);
akpm@osdl.orga6c2ba22005-11-08 21:37:07 -0800599}
600
Douglas Schilling Landgraf6ea54d92008-04-17 21:41:10 -0300601static inline int em28xx_gamma_get(struct em28xx *dev)
akpm@osdl.orga6c2ba22005-11-08 21:37:07 -0800602{
Mauro Carvalho Chehab41facaa2008-04-17 21:44:58 -0300603 return em28xx_read_reg(dev, EM28XX_R14_GAMMA) & 0x3f;
akpm@osdl.orga6c2ba22005-11-08 21:37:07 -0800604}
605
Douglas Schilling Landgraf6ea54d92008-04-17 21:41:10 -0300606static inline int em28xx_contrast_set(struct em28xx *dev, s32 val)
akpm@osdl.orga6c2ba22005-11-08 21:37:07 -0800607{
608 u8 tmp = (u8) val;
Mauro Carvalho Chehab41facaa2008-04-17 21:44:58 -0300609 return em28xx_write_regs(dev, EM28XX_R20_YGAIN, &tmp, 1);
akpm@osdl.orga6c2ba22005-11-08 21:37:07 -0800610}
611
Douglas Schilling Landgraf6ea54d92008-04-17 21:41:10 -0300612static inline int em28xx_brightness_set(struct em28xx *dev, s32 val)
akpm@osdl.orga6c2ba22005-11-08 21:37:07 -0800613{
614 u8 tmp = (u8) val;
Mauro Carvalho Chehab41facaa2008-04-17 21:44:58 -0300615 return em28xx_write_regs(dev, EM28XX_R21_YOFFSET, &tmp, 1);
akpm@osdl.orga6c2ba22005-11-08 21:37:07 -0800616}
617
Douglas Schilling Landgraf6ea54d92008-04-17 21:41:10 -0300618static inline int em28xx_saturation_set(struct em28xx *dev, s32 val)
akpm@osdl.orga6c2ba22005-11-08 21:37:07 -0800619{
620 u8 tmp = (u8) val;
Mauro Carvalho Chehab41facaa2008-04-17 21:44:58 -0300621 return em28xx_write_regs(dev, EM28XX_R22_UVGAIN, &tmp, 1);
akpm@osdl.orga6c2ba22005-11-08 21:37:07 -0800622}
623
Douglas Schilling Landgraf6ea54d92008-04-17 21:41:10 -0300624static inline int em28xx_u_balance_set(struct em28xx *dev, s32 val)
akpm@osdl.orga6c2ba22005-11-08 21:37:07 -0800625{
626 u8 tmp = (u8) val;
Mauro Carvalho Chehab41facaa2008-04-17 21:44:58 -0300627 return em28xx_write_regs(dev, EM28XX_R23_UOFFSET, &tmp, 1);
akpm@osdl.orga6c2ba22005-11-08 21:37:07 -0800628}
629
Douglas Schilling Landgraf6ea54d92008-04-17 21:41:10 -0300630static inline int em28xx_v_balance_set(struct em28xx *dev, s32 val)
akpm@osdl.orga6c2ba22005-11-08 21:37:07 -0800631{
632 u8 tmp = (u8) val;
Mauro Carvalho Chehab41facaa2008-04-17 21:44:58 -0300633 return em28xx_write_regs(dev, EM28XX_R24_VOFFSET, &tmp, 1);
akpm@osdl.orga6c2ba22005-11-08 21:37:07 -0800634}
635
Douglas Schilling Landgraf6ea54d92008-04-17 21:41:10 -0300636static inline int em28xx_gamma_set(struct em28xx *dev, s32 val)
akpm@osdl.orga6c2ba22005-11-08 21:37:07 -0800637{
638 u8 tmp = (u8) val;
Mauro Carvalho Chehab41facaa2008-04-17 21:44:58 -0300639 return em28xx_write_regs(dev, EM28XX_R14_GAMMA, &tmp, 1);
akpm@osdl.orga6c2ba22005-11-08 21:37:07 -0800640}
641
642/*FIXME: maxw should be dependent of alt mode */
Douglas Schilling Landgraf6ea54d92008-04-17 21:41:10 -0300643static inline unsigned int norm_maxw(struct em28xx *dev)
Markus Rechberger30556b22005-11-08 21:38:05 -0800644{
Mauro Carvalho Chehabc8793b02008-01-13 15:42:17 -0300645 if (dev->max_range_640_480)
Mauro Carvalho Chehab7d497f82007-11-11 14:15:34 -0300646 return 640;
Mauro Carvalho Chehabc8793b02008-01-13 15:42:17 -0300647 else
Mauro Carvalho Chehab7d497f82007-11-11 14:15:34 -0300648 return 720;
Markus Rechberger30556b22005-11-08 21:38:05 -0800649}
650
Douglas Schilling Landgraf6ea54d92008-04-17 21:41:10 -0300651static inline unsigned int norm_maxh(struct em28xx *dev)
akpm@osdl.orga6c2ba22005-11-08 21:37:07 -0800652{
Mauro Carvalho Chehabc8793b02008-01-13 15:42:17 -0300653 if (dev->max_range_640_480)
Mauro Carvalho Chehab7d497f82007-11-11 14:15:34 -0300654 return 480;
Mauro Carvalho Chehabc8793b02008-01-13 15:42:17 -0300655 else
Mauro Carvalho Chehab7d497f82007-11-11 14:15:34 -0300656 return (dev->norm & V4L2_STD_625_50) ? 576 : 480;
akpm@osdl.orga6c2ba22005-11-08 21:37:07 -0800657}
akpm@osdl.orga6c2ba22005-11-08 21:37:07 -0800658#endif