1 /*
2  *
3  * v4l2 device driver for philips saa7134 based TV cards
4  *
5  * (c) 2001,02 Gerd Knorr <kraxel@bytesex.org>
6  *
7  *  This program is free software; you can redistribute it and/or modify
8  *  it under the terms of the GNU General Public License as published by
9  *  the Free Software Foundation; either version 2 of the License, or
10  *  (at your option) any later version.
11  *
12  *  This program is distributed in the hope that it will be useful,
13  *  but WITHOUT ANY WARRANTY; without even the implied warranty of
14  *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
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 #define SAA7134_VERSION "0, 2, 17"
23 
24 #include <linux/pci.h>
25 #include <linux/i2c.h>
26 #include <linux/videodev2.h>
27 #include <linux/kdev_t.h>
28 #include <linux/input.h>
29 #include <linux/notifier.h>
30 #include <linux/delay.h>
31 #include <linux/mutex.h>
32 
33 #include <asm/io.h>
34 
35 #include <media/v4l2-common.h>
36 #include <media/v4l2-ioctl.h>
37 #include <media/v4l2-device.h>
38 #include <media/tuner.h>
39 #include <media/rc-core.h>
40 #include <media/ir-kbd-i2c.h>
41 #include <media/videobuf-dma-sg.h>
42 #include <sound/core.h>
43 #include <sound/pcm.h>
44 #if defined(CONFIG_VIDEO_SAA7134_DVB) || defined(CONFIG_VIDEO_SAA7134_DVB_MODULE)
45 #include <media/videobuf-dvb.h>
46 #endif
47 
48 #define UNSET (-1U)
49 
50 /* ----------------------------------------------------------- */
51 /* enums                                                       */
52 
53 enum saa7134_tvaudio_mode {
54 	TVAUDIO_FM_MONO       = 1,
55 	TVAUDIO_FM_BG_STEREO  = 2,
56 	TVAUDIO_FM_SAT_STEREO = 3,
57 	TVAUDIO_FM_K_STEREO   = 4,
58 	TVAUDIO_NICAM_AM      = 5,
59 	TVAUDIO_NICAM_FM      = 6,
60 };
61 
62 enum saa7134_audio_in {
63 	TV    = 1,
64 	LINE1 = 2,
65 	LINE2 = 3,
66 	LINE2_LEFT,
67 };
68 
69 enum saa7134_video_out {
70 	CCIR656 = 1,
71 };
72 
73 /* ----------------------------------------------------------- */
74 /* static data                                                 */
75 
76 struct saa7134_tvnorm {
77 	char          *name;
78 	v4l2_std_id   id;
79 
80 	/* video decoder */
81 	unsigned int  sync_control;
82 	unsigned int  luma_control;
83 	unsigned int  chroma_ctrl1;
84 	unsigned int  chroma_gain;
85 	unsigned int  chroma_ctrl2;
86 	unsigned int  vgate_misc;
87 
88 	/* video scaler */
89 	unsigned int  h_start;
90 	unsigned int  h_stop;
91 	unsigned int  video_v_start;
92 	unsigned int  video_v_stop;
93 	unsigned int  vbi_v_start_0;
94 	unsigned int  vbi_v_stop_0;
95 	unsigned int  src_timing;
96 	unsigned int  vbi_v_start_1;
97 };
98 
99 struct saa7134_tvaudio {
100 	char         *name;
101 	v4l2_std_id  std;
102 	enum         saa7134_tvaudio_mode mode;
103 	int          carr1;
104 	int          carr2;
105 };
106 
107 struct saa7134_format {
108 	char           *name;
109 	unsigned int   fourcc;
110 	unsigned int   depth;
111 	unsigned int   pm;
112 	unsigned int   vshift;   /* vertical downsampling (for planar yuv) */
113 	unsigned int   hshift;   /* horizontal downsampling (for planar yuv) */
114 	unsigned int   bswap:1;
115 	unsigned int   wswap:1;
116 	unsigned int   yuv:1;
117 	unsigned int   planar:1;
118 	unsigned int   uvswap:1;
119 };
120 
121 struct saa7134_card_ir {
122 	struct rc_dev		*dev;
123 
124 	char                    name[32];
125 	char                    phys[32];
126 	unsigned                users;
127 
128 	u32			polling;
129 	u32			last_gpio;
130 	u32			mask_keycode, mask_keydown, mask_keyup;
131 
132 	bool                    running;
133 	bool			active;
134 
135 	struct timer_list       timer;
136 
137 	/* IR core raw decoding */
138 	u32                     raw_decode;
139 };
140 
141 /* ----------------------------------------------------------- */
142 /* card configuration                                          */
143 
144 #define SAA7134_BOARD_NOAUTO        UNSET
145 #define SAA7134_BOARD_UNKNOWN           0
146 #define SAA7134_BOARD_PROTEUS_PRO       1
147 #define SAA7134_BOARD_FLYVIDEO3000      2
148 #define SAA7134_BOARD_FLYVIDEO2000      3
149 #define SAA7134_BOARD_EMPRESS           4
150 #define SAA7134_BOARD_MONSTERTV         5
151 #define SAA7134_BOARD_MD9717            6
152 #define SAA7134_BOARD_TVSTATION_RDS     7
153 #define SAA7134_BOARD_CINERGY400	8
154 #define SAA7134_BOARD_MD5044		9
155 #define SAA7134_BOARD_KWORLD           10
156 #define SAA7134_BOARD_CINERGY600       11
157 #define SAA7134_BOARD_MD7134           12
158 #define SAA7134_BOARD_TYPHOON_90031    13
159 #define SAA7134_BOARD_ELSA             14
160 #define SAA7134_BOARD_ELSA_500TV       15
161 #define SAA7134_BOARD_ASUSTeK_TVFM7134 16
162 #define SAA7134_BOARD_VA1000POWER      17
163 #define SAA7134_BOARD_BMK_MPEX_NOTUNER 18
164 #define SAA7134_BOARD_VIDEOMATE_TV     19
165 #define SAA7134_BOARD_CRONOS_PLUS      20
166 #define SAA7134_BOARD_10MOONSTVMASTER  21
167 #define SAA7134_BOARD_MD2819           22
168 #define SAA7134_BOARD_BMK_MPEX_TUNER   23
169 #define SAA7134_BOARD_TVSTATION_DVR    24
170 #define SAA7134_BOARD_ASUSTEK_TVFM7133	25
171 #define SAA7134_BOARD_PINNACLE_PCTV_STEREO 26
172 #define SAA7134_BOARD_MANLI_MTV002     27
173 #define SAA7134_BOARD_MANLI_MTV001     28
174 #define SAA7134_BOARD_TG3000TV         29
175 #define SAA7134_BOARD_ECS_TVP3XP       30
176 #define SAA7134_BOARD_ECS_TVP3XP_4CB5  31
177 #define SAA7134_BOARD_AVACSSMARTTV     32
178 #define SAA7134_BOARD_AVERMEDIA_DVD_EZMAKER 33
179 #define SAA7134_BOARD_NOVAC_PRIMETV7133 34
180 #define SAA7134_BOARD_AVERMEDIA_STUDIO_305 35
181 #define SAA7134_BOARD_UPMOST_PURPLE_TV 36
182 #define SAA7134_BOARD_ITEMS_MTV005     37
183 #define SAA7134_BOARD_CINERGY200       38
184 #define SAA7134_BOARD_FLYTVPLATINUM_MINI 39
185 #define SAA7134_BOARD_VIDEOMATE_TV_PVR 40
186 #define SAA7134_BOARD_VIDEOMATE_TV_GOLD_PLUS 41
187 #define SAA7134_BOARD_SABRENT_SBTTVFM  42
188 #define SAA7134_BOARD_ZOLID_XPERT_TV7134 43
189 #define SAA7134_BOARD_EMPIRE_PCI_TV_RADIO_LE 44
190 #define SAA7134_BOARD_AVERMEDIA_STUDIO_307    45
191 #define SAA7134_BOARD_AVERMEDIA_CARDBUS 46
192 #define SAA7134_BOARD_CINERGY400_CARDBUS 47
193 #define SAA7134_BOARD_CINERGY600_MK3   48
194 #define SAA7134_BOARD_VIDEOMATE_GOLD_PLUS 49
195 #define SAA7134_BOARD_PINNACLE_300I_DVBT_PAL 50
196 #define SAA7134_BOARD_PROVIDEO_PV952   51
197 #define SAA7134_BOARD_AVERMEDIA_305    52
198 #define SAA7134_BOARD_ASUSTeK_TVFM7135 53
199 #define SAA7134_BOARD_FLYTVPLATINUM_FM 54
200 #define SAA7134_BOARD_FLYDVBTDUO 55
201 #define SAA7134_BOARD_AVERMEDIA_307    56
202 #define SAA7134_BOARD_AVERMEDIA_GO_007_FM 57
203 #define SAA7134_BOARD_ADS_INSTANT_TV 58
204 #define SAA7134_BOARD_KWORLD_VSTREAM_XPERT 59
205 #define SAA7134_BOARD_FLYDVBT_DUO_CARDBUS 60
206 #define SAA7134_BOARD_PHILIPS_TOUGH 61
207 #define SAA7134_BOARD_VIDEOMATE_TV_GOLD_PLUSII 62
208 #define SAA7134_BOARD_KWORLD_XPERT 63
209 #define SAA7134_BOARD_FLYTV_DIGIMATRIX 64
210 #define SAA7134_BOARD_KWORLD_TERMINATOR 65
211 #define SAA7134_BOARD_YUAN_TUN900 66
212 #define SAA7134_BOARD_BEHOLD_409FM 67
213 #define SAA7134_BOARD_GOTVIEW_7135 68
214 #define SAA7134_BOARD_PHILIPS_EUROPA  69
215 #define SAA7134_BOARD_VIDEOMATE_DVBT_300 70
216 #define SAA7134_BOARD_VIDEOMATE_DVBT_200 71
217 #define SAA7134_BOARD_RTD_VFG7350 72
218 #define SAA7134_BOARD_RTD_VFG7330 73
219 #define SAA7134_BOARD_FLYTVPLATINUM_MINI2 74
220 #define SAA7134_BOARD_AVERMEDIA_AVERTVHD_A180 75
221 #define SAA7134_BOARD_MONSTERTV_MOBILE 76
222 #define SAA7134_BOARD_PINNACLE_PCTV_110i 77
223 #define SAA7134_BOARD_ASUSTeK_P7131_DUAL 78
224 #define SAA7134_BOARD_SEDNA_PC_TV_CARDBUS     79
225 #define SAA7134_BOARD_ASUSTEK_DIGIMATRIX_TV 80
226 #define SAA7134_BOARD_PHILIPS_TIGER  81
227 #define SAA7134_BOARD_MSI_TVATANYWHERE_PLUS  82
228 #define SAA7134_BOARD_CINERGY250PCI 83
229 #define SAA7134_BOARD_FLYDVB_TRIO 84
230 #define SAA7134_BOARD_AVERMEDIA_777 85
231 #define SAA7134_BOARD_FLYDVBT_LR301 86
232 #define SAA7134_BOARD_ADS_DUO_CARDBUS_PTV331 87
233 #define SAA7134_BOARD_TEVION_DVBT_220RF 88
234 #define SAA7134_BOARD_ELSA_700TV       89
235 #define SAA7134_BOARD_KWORLD_ATSC110   90
236 #define SAA7134_BOARD_AVERMEDIA_A169_B 91
237 #define SAA7134_BOARD_AVERMEDIA_A169_B1 92
238 #define SAA7134_BOARD_MD7134_BRIDGE_2     93
239 #define SAA7134_BOARD_FLYDVBT_HYBRID_CARDBUS 94
240 #define SAA7134_BOARD_FLYVIDEO3000_NTSC 95
241 #define SAA7134_BOARD_MEDION_MD8800_QUADRO 96
242 #define SAA7134_BOARD_FLYDVBS_LR300 97
243 #define SAA7134_BOARD_PROTEUS_2309 98
244 #define SAA7134_BOARD_AVERMEDIA_A16AR   99
245 #define SAA7134_BOARD_ASUS_EUROPA2_HYBRID 100
246 #define SAA7134_BOARD_PINNACLE_PCTV_310i  101
247 #define SAA7134_BOARD_AVERMEDIA_STUDIO_507 102
248 #define SAA7134_BOARD_VIDEOMATE_DVBT_200A  103
249 #define SAA7134_BOARD_HAUPPAUGE_HVR1110    104
250 #define SAA7134_BOARD_CINERGY_HT_PCMCIA    105
251 #define SAA7134_BOARD_ENCORE_ENLTV         106
252 #define SAA7134_BOARD_ENCORE_ENLTV_FM      107
253 #define SAA7134_BOARD_CINERGY_HT_PCI       108
254 #define SAA7134_BOARD_PHILIPS_TIGER_S      109
255 #define SAA7134_BOARD_AVERMEDIA_M102	   110
256 #define SAA7134_BOARD_ASUS_P7131_4871	   111
257 #define SAA7134_BOARD_ASUSTeK_P7131_HYBRID_LNA 112
258 #define SAA7134_BOARD_ECS_TVP3XP_4CB6  113
259 #define SAA7134_BOARD_KWORLD_DVBT_210 114
260 #define SAA7134_BOARD_SABRENT_TV_PCB05     115
261 #define SAA7134_BOARD_10MOONSTVMASTER3     116
262 #define SAA7134_BOARD_AVERMEDIA_SUPER_007  117
263 #define SAA7134_BOARD_BEHOLD_401  	118
264 #define SAA7134_BOARD_BEHOLD_403  	119
265 #define SAA7134_BOARD_BEHOLD_403FM	120
266 #define SAA7134_BOARD_BEHOLD_405	121
267 #define SAA7134_BOARD_BEHOLD_405FM	122
268 #define SAA7134_BOARD_BEHOLD_407	123
269 #define SAA7134_BOARD_BEHOLD_407FM	124
270 #define SAA7134_BOARD_BEHOLD_409	125
271 #define SAA7134_BOARD_BEHOLD_505FM	126
272 #define SAA7134_BOARD_BEHOLD_507_9FM	127
273 #define SAA7134_BOARD_BEHOLD_COLUMBUS_TVFM 128
274 #define SAA7134_BOARD_BEHOLD_607FM_MK3	129
275 #define SAA7134_BOARD_BEHOLD_M6		130
276 #define SAA7134_BOARD_TWINHAN_DTV_DVB_3056 131
277 #define SAA7134_BOARD_GENIUS_TVGO_A11MCE   132
278 #define SAA7134_BOARD_PHILIPS_SNAKE        133
279 #define SAA7134_BOARD_CREATIX_CTX953       134
280 #define SAA7134_BOARD_MSI_TVANYWHERE_AD11  135
281 #define SAA7134_BOARD_AVERMEDIA_CARDBUS_506 136
282 #define SAA7134_BOARD_AVERMEDIA_A16D       137
283 #define SAA7134_BOARD_AVERMEDIA_M115       138
284 #define SAA7134_BOARD_VIDEOMATE_T750       139
285 #define SAA7134_BOARD_AVERMEDIA_A700_PRO    140
286 #define SAA7134_BOARD_AVERMEDIA_A700_HYBRID 141
287 #define SAA7134_BOARD_BEHOLD_H6      142
288 #define SAA7134_BOARD_BEHOLD_M63      143
289 #define SAA7134_BOARD_BEHOLD_M6_EXTRA    144
290 #define SAA7134_BOARD_AVERMEDIA_M103    145
291 #define SAA7134_BOARD_ASUSTeK_P7131_ANALOG 146
292 #define SAA7134_BOARD_ASUSTeK_TIGER_3IN1   147
293 #define SAA7134_BOARD_ENCORE_ENLTV_FM53 148
294 #define SAA7134_BOARD_AVERMEDIA_M135A    149
295 #define SAA7134_BOARD_REAL_ANGEL_220     150
296 #define SAA7134_BOARD_ADS_INSTANT_HDTV_PCI  151
297 #define SAA7134_BOARD_ASUSTeK_TIGER         152
298 #define SAA7134_BOARD_KWORLD_PLUS_TV_ANALOG 153
299 #define SAA7134_BOARD_AVERMEDIA_GO_007_FM_PLUS 154
300 #define SAA7134_BOARD_HAUPPAUGE_HVR1150     155
301 #define SAA7134_BOARD_HAUPPAUGE_HVR1120   156
302 #define SAA7134_BOARD_AVERMEDIA_STUDIO_507UA 157
303 #define SAA7134_BOARD_AVERMEDIA_CARDBUS_501 158
304 #define SAA7134_BOARD_BEHOLD_505RDS_MK5     159
305 #define SAA7134_BOARD_BEHOLD_507RDS_MK3     160
306 #define SAA7134_BOARD_BEHOLD_507RDS_MK5     161
307 #define SAA7134_BOARD_BEHOLD_607FM_MK5      162
308 #define SAA7134_BOARD_BEHOLD_609FM_MK3      163
309 #define SAA7134_BOARD_BEHOLD_609FM_MK5      164
310 #define SAA7134_BOARD_BEHOLD_607RDS_MK3     165
311 #define SAA7134_BOARD_BEHOLD_607RDS_MK5     166
312 #define SAA7134_BOARD_BEHOLD_609RDS_MK3     167
313 #define SAA7134_BOARD_BEHOLD_609RDS_MK5     168
314 #define SAA7134_BOARD_VIDEOMATE_S350        169
315 #define SAA7134_BOARD_AVERMEDIA_STUDIO_505  170
316 #define SAA7134_BOARD_BEHOLD_X7             171
317 #define SAA7134_BOARD_ROVERMEDIA_LINK_PRO_FM 172
318 #define SAA7134_BOARD_ZOLID_HYBRID_PCI		173
319 #define SAA7134_BOARD_ASUS_EUROPA_HYBRID	174
320 #define SAA7134_BOARD_LEADTEK_WINFAST_DTV1000S 175
321 #define SAA7134_BOARD_BEHOLD_505RDS_MK3     176
322 #define SAA7134_BOARD_HAWELL_HW_404M7		177
323 #define SAA7134_BOARD_BEHOLD_H7             178
324 #define SAA7134_BOARD_BEHOLD_A7             179
325 #define SAA7134_BOARD_AVERMEDIA_M733A       180
326 #define SAA7134_BOARD_TECHNOTREND_BUDGET_T3000 181
327 #define SAA7134_BOARD_KWORLD_PCI_SBTVD_FULLSEG 182
328 #define SAA7134_BOARD_VIDEOMATE_M1F         183
329 #define SAA7134_BOARD_ENCORE_ENLTV_FM3      184
330 #define SAA7134_BOARD_MAGICPRO_PROHDTV_PRO2 185
331 #define SAA7134_BOARD_BEHOLD_501            186
332 #define SAA7134_BOARD_BEHOLD_503FM          187
333 #define SAA7134_BOARD_SENSORAY811_911       188
334 #define SAA7134_BOARD_KWORLD_PC150U         189
335 
336 #define SAA7134_MAXBOARDS 32
337 #define SAA7134_INPUT_MAX 8
338 
339 /* ----------------------------------------------------------- */
340 /* Since we support 2 remote types, lets tell them apart       */
341 
342 #define SAA7134_REMOTE_GPIO  1
343 #define SAA7134_REMOTE_I2C   2
344 
345 /* ----------------------------------------------------------- */
346 /* Video Output Port Register Initialization Options           */
347 
348 #define SET_T_CODE_POLARITY_NON_INVERTED	(1 << 0)
349 #define SET_CLOCK_NOT_DELAYED			(1 << 1)
350 #define SET_CLOCK_INVERTED			(1 << 2)
351 #define SET_VSYNC_OFF				(1 << 3)
352 
353 struct saa7134_input {
354 	char                    *name;
355 	unsigned int            vmux;
356 	enum saa7134_audio_in   amux;
357 	unsigned int            gpio;
358 	unsigned int            tv:1;
359 };
360 
361 enum saa7134_mpeg_type {
362 	SAA7134_MPEG_UNUSED,
363 	SAA7134_MPEG_EMPRESS,
364 	SAA7134_MPEG_DVB,
365 };
366 
367 enum saa7134_mpeg_ts_type {
368 	SAA7134_MPEG_TS_PARALLEL = 0,
369 	SAA7134_MPEG_TS_SERIAL,
370 };
371 
372 struct saa7134_board {
373 	char                    *name;
374 	unsigned int            audio_clock;
375 
376 	/* input switching */
377 	unsigned int            gpiomask;
378 	struct saa7134_input    inputs[SAA7134_INPUT_MAX];
379 	struct saa7134_input    radio;
380 	struct saa7134_input    mute;
381 
382 	/* i2c chip info */
383 	unsigned int            tuner_type;
384 	unsigned int		radio_type;
385 	unsigned char		tuner_addr;
386 	unsigned char		radio_addr;
387 	unsigned char		empress_addr;
388 	unsigned char		rds_addr;
389 
390 	unsigned int            tda9887_conf;
391 	unsigned int            tuner_config;
392 
393 	/* peripheral I/O */
394 	enum saa7134_video_out  video_out;
395 	enum saa7134_mpeg_type  mpeg;
396 	enum saa7134_mpeg_ts_type ts_type;
397 	unsigned int            vid_port_opts;
398 	unsigned int            ts_force_val:1;
399 };
400 
401 #define card_has_radio(dev)   (NULL != saa7134_boards[dev->board].radio.name)
402 #define card_is_empress(dev)  (SAA7134_MPEG_EMPRESS == saa7134_boards[dev->board].mpeg)
403 #define card_is_dvb(dev)      (SAA7134_MPEG_DVB     == saa7134_boards[dev->board].mpeg)
404 #define card_has_mpeg(dev)    (SAA7134_MPEG_UNUSED  != saa7134_boards[dev->board].mpeg)
405 #define card(dev)             (saa7134_boards[dev->board])
406 #define card_in(dev,n)        (saa7134_boards[dev->board].inputs[n])
407 
408 /* ----------------------------------------------------------- */
409 /* device / file handle status                                 */
410 
411 #define RESOURCE_OVERLAY       1
412 #define RESOURCE_VIDEO         2
413 #define RESOURCE_VBI           4
414 
415 #define INTERLACE_AUTO         0
416 #define INTERLACE_ON           1
417 #define INTERLACE_OFF          2
418 
419 #define BUFFER_TIMEOUT     msecs_to_jiffies(500)  /* 0.5 seconds */
420 #define TS_BUFFER_TIMEOUT  msecs_to_jiffies(1000)  /* 1 second */
421 
422 struct saa7134_dev;
423 struct saa7134_dma;
424 
425 /* saa7134 page table */
426 struct saa7134_pgtable {
427 	unsigned int               size;
428 	__le32                     *cpu;
429 	dma_addr_t                 dma;
430 };
431 
432 /* tvaudio thread status */
433 struct saa7134_thread {
434 	struct task_struct         *thread;
435 	unsigned int               scan1;
436 	unsigned int               scan2;
437 	unsigned int               mode;
438 	unsigned int		   stopped;
439 };
440 
441 /* buffer for one video/vbi/ts frame */
442 struct saa7134_buf {
443 	/* common v4l buffer stuff -- must be first */
444 	struct videobuf_buffer vb;
445 
446 	/* saa7134 specific */
447 	struct saa7134_format   *fmt;
448 	unsigned int            top_seen;
449 	int (*activate)(struct saa7134_dev *dev,
450 			struct saa7134_buf *buf,
451 			struct saa7134_buf *next);
452 
453 	/* page tables */
454 	struct saa7134_pgtable  *pt;
455 };
456 
457 struct saa7134_dmaqueue {
458 	struct saa7134_dev         *dev;
459 	struct saa7134_buf         *curr;
460 	struct list_head           queue;
461 	struct timer_list          timeout;
462 	unsigned int               need_two;
463 };
464 
465 /* video filehandle status */
466 struct saa7134_fh {
467 	struct saa7134_dev         *dev;
468 	unsigned int               radio;
469 	enum v4l2_buf_type         type;
470 	unsigned int               resources;
471 	enum v4l2_priority	   prio;
472 
473 	/* video overlay */
474 	struct v4l2_window         win;
475 	struct v4l2_clip           clips[8];
476 	unsigned int               nclips;
477 
478 	/* video capture */
479 	struct saa7134_format      *fmt;
480 	unsigned int               width,height;
481 	struct videobuf_queue      cap;
482 	struct saa7134_pgtable     pt_cap;
483 
484 	/* vbi capture */
485 	struct videobuf_queue      vbi;
486 	struct saa7134_pgtable     pt_vbi;
487 };
488 
489 /* dmasound dsp status */
490 struct saa7134_dmasound {
491 	struct mutex               lock;
492 	int                        minor_mixer;
493 	int                        minor_dsp;
494 	unsigned int               users_dsp;
495 
496 	/* mixer */
497 	enum saa7134_audio_in      input;
498 	unsigned int               count;
499 	unsigned int               line1;
500 	unsigned int               line2;
501 
502 	/* dsp */
503 	unsigned int               afmt;
504 	unsigned int               rate;
505 	unsigned int               channels;
506 	unsigned int               recording_on;
507 	unsigned int               dma_running;
508 	unsigned int               blocks;
509 	unsigned int               blksize;
510 	unsigned int               bufsize;
511 	struct saa7134_pgtable     pt;
512 	struct videobuf_dmabuf     dma;
513 	unsigned int               dma_blk;
514 	unsigned int               read_offset;
515 	unsigned int               read_count;
516 	void *			   priv_data;
517 	struct snd_pcm_substream   *substream;
518 };
519 
520 /* ts/mpeg status */
521 struct saa7134_ts {
522 	/* TS capture */
523 	struct saa7134_pgtable     pt_ts;
524 	int                        nr_packets;
525 	int                        nr_bufs;
526 };
527 
528 /* ts/mpeg ops */
529 struct saa7134_mpeg_ops {
530 	enum saa7134_mpeg_type     type;
531 	struct list_head           next;
532 	int                        (*init)(struct saa7134_dev *dev);
533 	int                        (*fini)(struct saa7134_dev *dev);
534 	void                       (*signal_change)(struct saa7134_dev *dev);
535 };
536 
537 /* global device status */
538 struct saa7134_dev {
539 	struct list_head           devlist;
540 	struct mutex               lock;
541 	spinlock_t                 slock;
542 	struct v4l2_prio_state     prio;
543 	struct v4l2_device         v4l2_dev;
544 	/* workstruct for loading modules */
545 	struct work_struct request_module_wk;
546 
547 	/* insmod option/autodetected */
548 	int                        autodetected;
549 
550 	/* various device info */
551 	unsigned int               resources;
552 	struct video_device        *video_dev;
553 	struct video_device        *radio_dev;
554 	struct video_device        *vbi_dev;
555 	struct saa7134_dmasound    dmasound;
556 
557 	/* infrared remote */
558 	int                        has_remote;
559 	struct saa7134_card_ir     *remote;
560 
561 	/* pci i/o */
562 	char                       name[32];
563 	int                        nr;
564 	struct pci_dev             *pci;
565 	unsigned char              pci_rev,pci_lat;
566 	__u32                      __iomem *lmmio;
567 	__u8                       __iomem *bmmio;
568 
569 	/* config info */
570 	unsigned int               board;
571 	unsigned int               tuner_type;
572 	unsigned int 		   radio_type;
573 	unsigned char		   tuner_addr;
574 	unsigned char		   radio_addr;
575 
576 	unsigned int               tda9887_conf;
577 	unsigned int               gpio_value;
578 
579 	/* i2c i/o */
580 	struct i2c_adapter         i2c_adap;
581 	struct i2c_client          i2c_client;
582 	unsigned char              eedata[256];
583 	int 			   has_rds;
584 
585 	/* video overlay */
586 	struct v4l2_framebuffer    ovbuf;
587 	struct saa7134_format      *ovfmt;
588 	unsigned int               ovenable;
589 	enum v4l2_field            ovfield;
590 
591 	/* video+ts+vbi capture */
592 	struct saa7134_dmaqueue    video_q;
593 	struct saa7134_dmaqueue    vbi_q;
594 	unsigned int               video_fieldcount;
595 	unsigned int               vbi_fieldcount;
596 
597 	/* various v4l controls */
598 	struct saa7134_tvnorm      *tvnorm;              /* video */
599 	struct saa7134_tvaudio     *tvaudio;
600 	unsigned int               ctl_input;
601 	int                        ctl_bright;
602 	int                        ctl_contrast;
603 	int                        ctl_hue;
604 	int                        ctl_saturation;
605 	int                        ctl_freq;
606 	int                        ctl_mute;             /* audio */
607 	int                        ctl_volume;
608 	int                        ctl_invert;           /* private */
609 	int                        ctl_mirror;
610 	int                        ctl_y_odd;
611 	int                        ctl_y_even;
612 	int                        ctl_automute;
613 
614 	/* crop */
615 	struct v4l2_rect           crop_bounds;
616 	struct v4l2_rect           crop_defrect;
617 	struct v4l2_rect           crop_current;
618 
619 	/* other global state info */
620 	unsigned int               automute;
621 	struct saa7134_thread      thread;
622 	struct saa7134_input       *input;
623 	struct saa7134_input       *hw_input;
624 	unsigned int               hw_mute;
625 	int                        last_carrier;
626 	int                        nosignal;
627 	unsigned int               insuspend;
628 
629 	/* I2C keyboard data */
630 	struct IR_i2c_init_data    init_data;
631 
632 	/* SAA7134_MPEG_* */
633 	struct saa7134_ts          ts;
634 	struct saa7134_dmaqueue    ts_q;
635 	int                        ts_started;
636 	struct saa7134_mpeg_ops    *mops;
637 
638 	/* SAA7134_MPEG_EMPRESS only */
639 	struct video_device        *empress_dev;
640 	struct videobuf_queue      empress_tsq;
641 	atomic_t 		   empress_users;
642 	struct work_struct         empress_workqueue;
643 	int                        empress_started;
644 
645 #if defined(CONFIG_VIDEO_SAA7134_DVB) || defined(CONFIG_VIDEO_SAA7134_DVB_MODULE)
646 	/* SAA7134_MPEG_DVB only */
647 	struct videobuf_dvb_frontends frontends;
648 	int (*original_demod_sleep)(struct dvb_frontend *fe);
649 	int (*original_set_voltage)(struct dvb_frontend *fe, fe_sec_voltage_t voltage);
650 	int (*original_set_high_voltage)(struct dvb_frontend *fe, long arg);
651 #endif
652 	void (*gate_ctrl)(struct saa7134_dev *dev, int open);
653 };
654 
655 /* ----------------------------------------------------------- */
656 
657 #define saa_readl(reg)             readl(dev->lmmio + (reg))
658 #define saa_writel(reg,value)      writel((value), dev->lmmio + (reg));
659 #define saa_andorl(reg,mask,value) \
660   writel((readl(dev->lmmio+(reg)) & ~(mask)) |\
661   ((value) & (mask)), dev->lmmio+(reg))
662 #define saa_setl(reg,bit)          saa_andorl((reg),(bit),(bit))
663 #define saa_clearl(reg,bit)        saa_andorl((reg),(bit),0)
664 
665 #define saa_readb(reg)             readb(dev->bmmio + (reg))
666 #define saa_writeb(reg,value)      writeb((value), dev->bmmio + (reg));
667 #define saa_andorb(reg,mask,value) \
668   writeb((readb(dev->bmmio+(reg)) & ~(mask)) |\
669   ((value) & (mask)), dev->bmmio+(reg))
670 #define saa_setb(reg,bit)          saa_andorb((reg),(bit),(bit))
671 #define saa_clearb(reg,bit)        saa_andorb((reg),(bit),0)
672 
673 #define saa_wait(us) { udelay(us); }
674 
675 #define SAA7134_NORMS	(\
676 		V4L2_STD_PAL    | V4L2_STD_PAL_N | \
677 		V4L2_STD_PAL_Nc | V4L2_STD_SECAM | \
678 		V4L2_STD_NTSC   | V4L2_STD_PAL_M | \
679 		V4L2_STD_PAL_60)
680 
681 #define GRP_EMPRESS (1)
682 #define saa_call_all(dev, o, f, args...) do {				\
683 	if (dev->gate_ctrl)						\
684 		dev->gate_ctrl(dev, 1);					\
685 	v4l2_device_call_all(&(dev)->v4l2_dev, 0, o, f , ##args);	\
686 	if (dev->gate_ctrl)						\
687 		dev->gate_ctrl(dev, 0);					\
688 } while (0)
689 
690 #define saa_call_empress(dev, o, f, args...) ({				\
691 	long _rc;							\
692 	if (dev->gate_ctrl)						\
693 		dev->gate_ctrl(dev, 1);					\
694 	_rc = v4l2_device_call_until_err(&(dev)->v4l2_dev,		\
695 					 GRP_EMPRESS, o, f , ##args);	\
696 	if (dev->gate_ctrl)						\
697 		dev->gate_ctrl(dev, 0);					\
698 	_rc;								\
699 })
700 
701 /* ----------------------------------------------------------- */
702 /* saa7134-core.c                                              */
703 
704 extern struct list_head  saa7134_devlist;
705 extern struct mutex saa7134_devlist_lock;
706 extern int saa7134_no_overlay;
707 
708 void saa7134_track_gpio(struct saa7134_dev *dev, char *msg);
709 void saa7134_set_gpio(struct saa7134_dev *dev, int bit_no, int value);
710 
711 #define SAA7134_PGTABLE_SIZE 4096
712 
713 int saa7134_pgtable_alloc(struct pci_dev *pci, struct saa7134_pgtable *pt);
714 int  saa7134_pgtable_build(struct pci_dev *pci, struct saa7134_pgtable *pt,
715 			   struct scatterlist *list, unsigned int length,
716 			   unsigned int startpage);
717 void saa7134_pgtable_free(struct pci_dev *pci, struct saa7134_pgtable *pt);
718 
719 int saa7134_buffer_count(unsigned int size, unsigned int count);
720 int saa7134_buffer_startpage(struct saa7134_buf *buf);
721 unsigned long saa7134_buffer_base(struct saa7134_buf *buf);
722 
723 int saa7134_buffer_queue(struct saa7134_dev *dev, struct saa7134_dmaqueue *q,
724 			 struct saa7134_buf *buf);
725 void saa7134_buffer_finish(struct saa7134_dev *dev, struct saa7134_dmaqueue *q,
726 			   unsigned int state);
727 void saa7134_buffer_next(struct saa7134_dev *dev, struct saa7134_dmaqueue *q);
728 void saa7134_buffer_timeout(unsigned long data);
729 void saa7134_dma_free(struct videobuf_queue *q,struct saa7134_buf *buf);
730 
731 int saa7134_set_dmabits(struct saa7134_dev *dev);
732 
733 extern int (*saa7134_dmasound_init)(struct saa7134_dev *dev);
734 extern int (*saa7134_dmasound_exit)(struct saa7134_dev *dev);
735 
736 
737 /* ----------------------------------------------------------- */
738 /* saa7134-cards.c                                             */
739 
740 extern struct saa7134_board saa7134_boards[];
741 extern const unsigned int saa7134_bcount;
742 extern struct pci_device_id __devinitdata saa7134_pci_tbl[];
743 
744 extern int saa7134_board_init1(struct saa7134_dev *dev);
745 extern int saa7134_board_init2(struct saa7134_dev *dev);
746 int saa7134_tuner_callback(void *priv, int component, int command, int arg);
747 
748 
749 /* ----------------------------------------------------------- */
750 /* saa7134-i2c.c                                               */
751 
752 int saa7134_i2c_register(struct saa7134_dev *dev);
753 int saa7134_i2c_unregister(struct saa7134_dev *dev);
754 
755 
756 /* ----------------------------------------------------------- */
757 /* saa7134-video.c                                             */
758 
759 extern unsigned int video_debug;
760 extern struct video_device saa7134_video_template;
761 extern struct video_device saa7134_radio_template;
762 
763 int saa7134_s_ctrl_internal(struct saa7134_dev *dev,  struct saa7134_fh *fh, struct v4l2_control *c);
764 int saa7134_g_ctrl_internal(struct saa7134_dev *dev,  struct saa7134_fh *fh, struct v4l2_control *c);
765 int saa7134_queryctrl(struct file *file, void *priv, struct v4l2_queryctrl *c);
766 int saa7134_s_std_internal(struct saa7134_dev *dev,  struct saa7134_fh *fh, v4l2_std_id *id);
767 
768 int saa7134_videoport_init(struct saa7134_dev *dev);
769 void saa7134_set_tvnorm_hw(struct saa7134_dev *dev);
770 
771 int saa7134_video_init1(struct saa7134_dev *dev);
772 int saa7134_video_init2(struct saa7134_dev *dev);
773 void saa7134_irq_video_signalchange(struct saa7134_dev *dev);
774 void saa7134_irq_video_done(struct saa7134_dev *dev, unsigned long status);
775 
776 
777 /* ----------------------------------------------------------- */
778 /* saa7134-ts.c                                                */
779 
780 #define TS_PACKET_SIZE 188 /* TS packets 188 bytes */
781 
782 extern struct videobuf_queue_ops saa7134_ts_qops;
783 
784 int saa7134_ts_init1(struct saa7134_dev *dev);
785 int saa7134_ts_fini(struct saa7134_dev *dev);
786 void saa7134_irq_ts_done(struct saa7134_dev *dev, unsigned long status);
787 
788 int saa7134_ts_register(struct saa7134_mpeg_ops *ops);
789 void saa7134_ts_unregister(struct saa7134_mpeg_ops *ops);
790 
791 int saa7134_ts_init_hw(struct saa7134_dev *dev);
792 
793 int saa7134_ts_start(struct saa7134_dev *dev);
794 int saa7134_ts_stop(struct saa7134_dev *dev);
795 
796 /* ----------------------------------------------------------- */
797 /* saa7134-vbi.c                                               */
798 
799 extern struct videobuf_queue_ops saa7134_vbi_qops;
800 extern struct video_device saa7134_vbi_template;
801 
802 int saa7134_vbi_init1(struct saa7134_dev *dev);
803 int saa7134_vbi_fini(struct saa7134_dev *dev);
804 void saa7134_irq_vbi_done(struct saa7134_dev *dev, unsigned long status);
805 
806 
807 /* ----------------------------------------------------------- */
808 /* saa7134-tvaudio.c                                           */
809 
810 int saa7134_tvaudio_rx2mode(u32 rx);
811 
812 void saa7134_tvaudio_setmute(struct saa7134_dev *dev);
813 void saa7134_tvaudio_setinput(struct saa7134_dev *dev,
814 			      struct saa7134_input *in);
815 void saa7134_tvaudio_setvolume(struct saa7134_dev *dev, int level);
816 int saa7134_tvaudio_getstereo(struct saa7134_dev *dev);
817 
818 void saa7134_tvaudio_init(struct saa7134_dev *dev);
819 int saa7134_tvaudio_init2(struct saa7134_dev *dev);
820 int saa7134_tvaudio_fini(struct saa7134_dev *dev);
821 int saa7134_tvaudio_do_scan(struct saa7134_dev *dev);
822 int saa7134_tvaudio_close(struct saa7134_dev *dev);
823 
824 int saa_dsp_writel(struct saa7134_dev *dev, int reg, u32 value);
825 
826 void saa7134_enable_i2s(struct saa7134_dev *dev);
827 
828 /* ----------------------------------------------------------- */
829 /* saa7134-oss.c                                               */
830 
831 extern const struct file_operations saa7134_dsp_fops;
832 extern const struct file_operations saa7134_mixer_fops;
833 
834 int saa7134_oss_init1(struct saa7134_dev *dev);
835 int saa7134_oss_fini(struct saa7134_dev *dev);
836 void saa7134_irq_oss_done(struct saa7134_dev *dev, unsigned long status);
837 
838 /* ----------------------------------------------------------- */
839 /* saa7134-input.c                                             */
840 
841 #if defined(CONFIG_VIDEO_SAA7134_RC)
842 int  saa7134_input_init1(struct saa7134_dev *dev);
843 void saa7134_input_fini(struct saa7134_dev *dev);
844 void saa7134_input_irq(struct saa7134_dev *dev);
845 void saa7134_probe_i2c_ir(struct saa7134_dev *dev);
846 int saa7134_ir_start(struct saa7134_dev *dev);
847 void saa7134_ir_stop(struct saa7134_dev *dev);
848 #else
849 #define saa7134_input_init1(dev)	((void)0)
850 #define saa7134_input_fini(dev)		((void)0)
851 #define saa7134_input_irq(dev)		((void)0)
852 #define saa7134_probe_i2c_ir(dev)	((void)0)
853 #define saa7134_ir_start(dev)		((void)0)
854 #define saa7134_ir_stop(dev)		((void)0)
855 #endif
856