Linux kernel & device driver programming

Cross-Referenced Linux and Device Driver Code

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Version: [ 2.6.11.8 ] [ 2.6.25 ] [ 2.6.25.8 ] [ 2.6.31.13 ] Architecture: [ i386 ]
  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 #include <linux/version.h>
 23 #define SAA7134_VERSION_CODE KERNEL_VERSION(0,2,15)
 24 
 25 #include <linux/pci.h>
 26 #include <linux/i2c.h>
 27 #include <linux/videodev2.h>
 28 #include <linux/kdev_t.h>
 29 #include <linux/input.h>
 30 #include <linux/notifier.h>
 31 #include <linux/delay.h>
 32 #include <linux/mutex.h>
 33 
 34 #include <asm/io.h>
 35 
 36 #include <media/v4l2-common.h>
 37 #include <media/v4l2-ioctl.h>
 38 #include <media/v4l2-device.h>
 39 #include <media/tuner.h>
 40 #include <media/ir-common.h>
 41 #include <media/ir-kbd-i2c.h>
 42 #include <media/videobuf-dma-sg.h>
 43 #include <sound/core.h>
 44 #include <sound/pcm.h>
 45 #if defined(CONFIG_VIDEO_SAA7134_DVB) || defined(CONFIG_VIDEO_SAA7134_DVB_MODULE)
 46 #include <media/videobuf-dvb.h>
 47 #endif
 48 
 49 #define UNSET (-1U)
 50 
 51 /* ----------------------------------------------------------- */
 52 /* enums                                                       */
 53 
 54 enum saa7134_tvaudio_mode {
 55         TVAUDIO_FM_MONO       = 1,
 56         TVAUDIO_FM_BG_STEREO  = 2,
 57         TVAUDIO_FM_SAT_STEREO = 3,
 58         TVAUDIO_FM_K_STEREO   = 4,
 59         TVAUDIO_NICAM_AM      = 5,
 60         TVAUDIO_NICAM_FM      = 6,
 61 };
 62 
 63 enum saa7134_audio_in {
 64         TV    = 1,
 65         LINE1 = 2,
 66         LINE2 = 3,
 67         LINE2_LEFT,
 68 };
 69 
 70 enum saa7134_video_out {
 71         CCIR656 = 1,
 72 };
 73 
 74 /* ----------------------------------------------------------- */
 75 /* static data                                                 */
 76 
 77 struct saa7134_tvnorm {
 78         char          *name;
 79         v4l2_std_id   id;
 80 
 81         /* video decoder */
 82         unsigned int  sync_control;
 83         unsigned int  luma_control;
 84         unsigned int  chroma_ctrl1;
 85         unsigned int  chroma_gain;
 86         unsigned int  chroma_ctrl2;
 87         unsigned int  vgate_misc;
 88 
 89         /* video scaler */
 90         unsigned int  h_start;
 91         unsigned int  h_stop;
 92         unsigned int  video_v_start;
 93         unsigned int  video_v_stop;
 94         unsigned int  vbi_v_start_0;
 95         unsigned int  vbi_v_stop_0;
 96         unsigned int  src_timing;
 97         unsigned int  vbi_v_start_1;
 98 };
 99 
100 struct saa7134_tvaudio {
101         char         *name;
102         v4l2_std_id  std;
103         enum         saa7134_tvaudio_mode mode;
104         int          carr1;
105         int          carr2;
106 };
107 
108 struct saa7134_format {
109         char           *name;
110         unsigned int   fourcc;
111         unsigned int   depth;
112         unsigned int   pm;
113         unsigned int   vshift;   /* vertical downsampling (for planar yuv) */
114         unsigned int   hshift;   /* horizontal downsampling (for planar yuv) */
115         unsigned int   bswap:1;
116         unsigned int   wswap:1;
117         unsigned int   yuv:1;
118         unsigned int   planar:1;
119         unsigned int   uvswap:1;
120 };
121 
122 /* ----------------------------------------------------------- */
123 /* card configuration                                          */
124 
125 #define SAA7134_BOARD_NOAUTO        UNSET
126 #define SAA7134_BOARD_UNKNOWN           0
127 #define SAA7134_BOARD_PROTEUS_PRO       1
128 #define SAA7134_BOARD_FLYVIDEO3000      2
129 #define SAA7134_BOARD_FLYVIDEO2000      3
130 #define SAA7134_BOARD_EMPRESS           4
131 #define SAA7134_BOARD_MONSTERTV         5
132 #define SAA7134_BOARD_MD9717            6
133 #define SAA7134_BOARD_TVSTATION_RDS     7
134 #define SAA7134_BOARD_CINERGY400        8
135 #define SAA7134_BOARD_MD5044            9
136 #define SAA7134_BOARD_KWORLD           10
137 #define SAA7134_BOARD_CINERGY600       11
138 #define SAA7134_BOARD_MD7134           12
139 #define SAA7134_BOARD_TYPHOON_90031    13
140 #define SAA7134_BOARD_ELSA             14
141 #define SAA7134_BOARD_ELSA_500TV       15
142 #define SAA7134_BOARD_ASUSTeK_TVFM7134 16
143 #define SAA7134_BOARD_VA1000POWER      17
144 #define SAA7134_BOARD_BMK_MPEX_NOTUNER 18
145 #define SAA7134_BOARD_VIDEOMATE_TV     19
146 #define SAA7134_BOARD_CRONOS_PLUS      20
147 #define SAA7134_BOARD_10MOONSTVMASTER  21
148 #define SAA7134_BOARD_MD2819           22
149 #define SAA7134_BOARD_BMK_MPEX_TUNER   23
150 #define SAA7134_BOARD_TVSTATION_DVR    24
151 #define SAA7134_BOARD_ASUSTEK_TVFM7133  25
152 #define SAA7134_BOARD_PINNACLE_PCTV_STEREO 26
153 #define SAA7134_BOARD_MANLI_MTV002     27
154 #define SAA7134_BOARD_MANLI_MTV001     28
155 #define SAA7134_BOARD_TG3000TV         29
156 #define SAA7134_BOARD_ECS_TVP3XP       30
157 #define SAA7134_BOARD_ECS_TVP3XP_4CB5  31
158 #define SAA7134_BOARD_AVACSSMARTTV     32
159 #define SAA7134_BOARD_AVERMEDIA_DVD_EZMAKER 33
160 #define SAA7134_BOARD_NOVAC_PRIMETV7133 34
161 #define SAA7134_BOARD_AVERMEDIA_STUDIO_305 35
162 #define SAA7134_BOARD_UPMOST_PURPLE_TV 36
163 #define SAA7134_BOARD_ITEMS_MTV005     37
164 #define SAA7134_BOARD_CINERGY200       38
165 #define SAA7134_BOARD_FLYTVPLATINUM_MINI 39
166 #define SAA7134_BOARD_VIDEOMATE_TV_PVR 40
167 #define SAA7134_BOARD_VIDEOMATE_TV_GOLD_PLUS 41
168 #define SAA7134_BOARD_SABRENT_SBTTVFM  42
169 #define SAA7134_BOARD_ZOLID_XPERT_TV7134 43
170 #define SAA7134_BOARD_EMPIRE_PCI_TV_RADIO_LE 44
171 #define SAA7134_BOARD_AVERMEDIA_STUDIO_307    45
172 #define SAA7134_BOARD_AVERMEDIA_CARDBUS 46
173 #define SAA7134_BOARD_CINERGY400_CARDBUS 47
174 #define SAA7134_BOARD_CINERGY600_MK3   48
175 #define SAA7134_BOARD_VIDEOMATE_GOLD_PLUS 49
176 #define SAA7134_BOARD_PINNACLE_300I_DVBT_PAL 50
177 #define SAA7134_BOARD_PROVIDEO_PV952   51
178 #define SAA7134_BOARD_AVERMEDIA_305    52
179 #define SAA7134_BOARD_ASUSTeK_TVFM7135 53
180 #define SAA7134_BOARD_FLYTVPLATINUM_FM 54
181 #define SAA7134_BOARD_FLYDVBTDUO 55
182 #define SAA7134_BOARD_AVERMEDIA_307    56
183 #define SAA7134_BOARD_AVERMEDIA_GO_007_FM 57
184 #define SAA7134_BOARD_ADS_INSTANT_TV 58
185 #define SAA7134_BOARD_KWORLD_VSTREAM_XPERT 59
186 #define SAA7134_BOARD_FLYDVBT_DUO_CARDBUS 60
187 #define SAA7134_BOARD_PHILIPS_TOUGH 61
188 #define SAA7134_BOARD_VIDEOMATE_TV_GOLD_PLUSII 62
189 #define SAA7134_BOARD_KWORLD_XPERT 63
190 #define SAA7134_BOARD_FLYTV_DIGIMATRIX 64
191 #define SAA7134_BOARD_KWORLD_TERMINATOR 65
192 #define SAA7134_BOARD_YUAN_TUN900 66
193 #define SAA7134_BOARD_BEHOLD_409FM 67
194 #define SAA7134_BOARD_GOTVIEW_7135 68
195 #define SAA7134_BOARD_PHILIPS_EUROPA  69
196 #define SAA7134_BOARD_VIDEOMATE_DVBT_300 70
197 #define SAA7134_BOARD_VIDEOMATE_DVBT_200 71
198 #define SAA7134_BOARD_RTD_VFG7350 72
199 #define SAA7134_BOARD_RTD_VFG7330 73
200 #define SAA7134_BOARD_FLYTVPLATINUM_MINI2 74
201 #define SAA7134_BOARD_AVERMEDIA_AVERTVHD_A180 75
202 #define SAA7134_BOARD_MONSTERTV_MOBILE 76
203 #define SAA7134_BOARD_PINNACLE_PCTV_110i 77
204 #define SAA7134_BOARD_ASUSTeK_P7131_DUAL 78
205 #define SAA7134_BOARD_SEDNA_PC_TV_CARDBUS     79
206 #define SAA7134_BOARD_ASUSTEK_DIGIMATRIX_TV 80
207 #define SAA7134_BOARD_PHILIPS_TIGER  81
208 #define SAA7134_BOARD_MSI_TVATANYWHERE_PLUS  82
209 #define SAA7134_BOARD_CINERGY250PCI 83
210 #define SAA7134_BOARD_FLYDVB_TRIO 84
211 #define SAA7134_BOARD_AVERMEDIA_777 85
212 #define SAA7134_BOARD_FLYDVBT_LR301 86
213 #define SAA7134_BOARD_ADS_DUO_CARDBUS_PTV331 87
214 #define SAA7134_BOARD_TEVION_DVBT_220RF 88
215 #define SAA7134_BOARD_ELSA_700TV       89
216 #define SAA7134_BOARD_KWORLD_ATSC110   90
217 #define SAA7134_BOARD_AVERMEDIA_A169_B 91
218 #define SAA7134_BOARD_AVERMEDIA_A169_B1 92
219 #define SAA7134_BOARD_MD7134_BRIDGE_2     93
220 #define SAA7134_BOARD_FLYDVBT_HYBRID_CARDBUS 94
221 #define SAA7134_BOARD_FLYVIDEO3000_NTSC 95
222 #define SAA7134_BOARD_MEDION_MD8800_QUADRO 96
223 #define SAA7134_BOARD_FLYDVBS_LR300 97
224 #define SAA7134_BOARD_PROTEUS_2309 98
225 #define SAA7134_BOARD_AVERMEDIA_A16AR   99
226 #define SAA7134_BOARD_ASUS_EUROPA2_HYBRID 100
227 #define SAA7134_BOARD_PINNACLE_PCTV_310i  101
228 #define SAA7134_BOARD_AVERMEDIA_STUDIO_507 102
229 #define SAA7134_BOARD_VIDEOMATE_DVBT_200A  103
230 #define SAA7134_BOARD_HAUPPAUGE_HVR1110    104
231 #define SAA7134_BOARD_CINERGY_HT_PCMCIA    105
232 #define SAA7134_BOARD_ENCORE_ENLTV         106
233 #define SAA7134_BOARD_ENCORE_ENLTV_FM      107
234 #define SAA7134_BOARD_CINERGY_HT_PCI       108
235 #define SAA7134_BOARD_PHILIPS_TIGER_S      109
236 #define SAA7134_BOARD_AVERMEDIA_M102       110
237 #define SAA7134_BOARD_ASUS_P7131_4871      111
238 #define SAA7134_BOARD_ASUSTeK_P7131_HYBRID_LNA 112
239 #define SAA7134_BOARD_ECS_TVP3XP_4CB6  113
240 #define SAA7134_BOARD_KWORLD_DVBT_210 114
241 #define SAA7134_BOARD_SABRENT_TV_PCB05     115
242 #define SAA7134_BOARD_10MOONSTVMASTER3     116
243 #define SAA7134_BOARD_AVERMEDIA_SUPER_007  117
244 #define SAA7134_BOARD_BEHOLD_401        118
245 #define SAA7134_BOARD_BEHOLD_403        119
246 #define SAA7134_BOARD_BEHOLD_403FM      120
247 #define SAA7134_BOARD_BEHOLD_405        121
248 #define SAA7134_BOARD_BEHOLD_405FM      122
249 #define SAA7134_BOARD_BEHOLD_407        123
250 #define SAA7134_BOARD_BEHOLD_407FM      124
251 #define SAA7134_BOARD_BEHOLD_409        125
252 #define SAA7134_BOARD_BEHOLD_505FM      126
253 #define SAA7134_BOARD_BEHOLD_507_9FM    127
254 #define SAA7134_BOARD_BEHOLD_COLUMBUS_TVFM 128
255 #define SAA7134_BOARD_BEHOLD_607FM_MK3  129
256 #define SAA7134_BOARD_BEHOLD_M6         130
257 #define SAA7134_BOARD_TWINHAN_DTV_DVB_3056 131
258 #define SAA7134_BOARD_GENIUS_TVGO_A11MCE   132
259 #define SAA7134_BOARD_PHILIPS_SNAKE        133
260 #define SAA7134_BOARD_CREATIX_CTX953       134
261 #define SAA7134_BOARD_MSI_TVANYWHERE_AD11  135
262 #define SAA7134_BOARD_AVERMEDIA_CARDBUS_506 136
263 #define SAA7134_BOARD_AVERMEDIA_A16D       137
264 #define SAA7134_BOARD_AVERMEDIA_M115       138
265 #define SAA7134_BOARD_VIDEOMATE_T750       139
266 #define SAA7134_BOARD_AVERMEDIA_A700_PRO    140
267 #define SAA7134_BOARD_AVERMEDIA_A700_HYBRID 141
268 #define SAA7134_BOARD_BEHOLD_H6      142
269 #define SAA7134_BOARD_BEHOLD_M63      143
270 #define SAA7134_BOARD_BEHOLD_M6_EXTRA    144
271 #define SAA7134_BOARD_AVERMEDIA_M103    145
272 #define SAA7134_BOARD_ASUSTeK_P7131_ANALOG 146
273 #define SAA7134_BOARD_ASUSTeK_TIGER_3IN1   147
274 #define SAA7134_BOARD_ENCORE_ENLTV_FM53 148
275 #define SAA7134_BOARD_AVERMEDIA_M135A    149
276 #define SAA7134_BOARD_REAL_ANGEL_220     150
277 #define SAA7134_BOARD_ADS_INSTANT_HDTV_PCI  151
278 #define SAA7134_BOARD_ASUSTeK_TIGER         152
279 #define SAA7134_BOARD_KWORLD_PLUS_TV_ANALOG 153
280 #define SAA7134_BOARD_AVERMEDIA_GO_007_FM_PLUS 154
281 #define SAA7134_BOARD_HAUPPAUGE_HVR1150     155
282 #define SAA7134_BOARD_HAUPPAUGE_HVR1120   156
283 #define SAA7134_BOARD_AVERMEDIA_STUDIO_507UA 157
284 #define SAA7134_BOARD_AVERMEDIA_CARDBUS_501 158
285 #define SAA7134_BOARD_BEHOLD_505RDS         159
286 #define SAA7134_BOARD_BEHOLD_507RDS_MK3     160
287 #define SAA7134_BOARD_BEHOLD_507RDS_MK5     161
288 #define SAA7134_BOARD_BEHOLD_607FM_MK5      162
289 #define SAA7134_BOARD_BEHOLD_609FM_MK3      163
290 #define SAA7134_BOARD_BEHOLD_609FM_MK5      164
291 #define SAA7134_BOARD_BEHOLD_607RDS_MK3     165
292 #define SAA7134_BOARD_BEHOLD_607RDS_MK5     166
293 #define SAA7134_BOARD_BEHOLD_609RDS_MK3     167
294 #define SAA7134_BOARD_BEHOLD_609RDS_MK5     168
295 
296 #define SAA7134_MAXBOARDS 32
297 #define SAA7134_INPUT_MAX 8
298 
299 /* ----------------------------------------------------------- */
300 /* Since we support 2 remote types, lets tell them apart       */
301 
302 #define SAA7134_REMOTE_GPIO  1
303 #define SAA7134_REMOTE_I2C   2
304 
305 /* ----------------------------------------------------------- */
306 /* Video Output Port Register Initialization Options           */
307 
308 #define SET_T_CODE_POLARITY_NON_INVERTED        (1 << 0)
309 #define SET_CLOCK_NOT_DELAYED                   (1 << 1)
310 #define SET_CLOCK_INVERTED                      (1 << 2)
311 #define SET_VSYNC_OFF                           (1 << 3)
312 
313 struct saa7134_input {
314         char                    *name;
315         unsigned int            vmux;
316         enum saa7134_audio_in   amux;
317         unsigned int            gpio;
318         unsigned int            tv:1;
319 };
320 
321 enum saa7134_mpeg_type {
322         SAA7134_MPEG_UNUSED,
323         SAA7134_MPEG_EMPRESS,
324         SAA7134_MPEG_DVB,
325 };
326 
327 enum saa7134_mpeg_ts_type {
328         SAA7134_MPEG_TS_PARALLEL = 0,
329         SAA7134_MPEG_TS_SERIAL,
330 };
331 
332 struct saa7134_board {
333         char                    *name;
334         unsigned int            audio_clock;
335 
336         /* input switching */
337         unsigned int            gpiomask;
338         struct saa7134_input    inputs[SAA7134_INPUT_MAX];
339         struct saa7134_input    radio;
340         struct saa7134_input    mute;
341 
342         /* i2c chip info */
343         unsigned int            tuner_type;
344         unsigned int            radio_type;
345         unsigned char           tuner_addr;
346         unsigned char           radio_addr;
347         unsigned char           empress_addr;
348         unsigned char           rds_addr;
349 
350         unsigned int            tda9887_conf;
351         unsigned int            tuner_config;
352 
353         /* peripheral I/O */
354         enum saa7134_video_out  video_out;
355         enum saa7134_mpeg_type  mpeg;
356         enum saa7134_mpeg_ts_type ts_type;
357         unsigned int            vid_port_opts;
358         unsigned int            ts_force_val:1;
359 };
360 
361 #define card_has_radio(dev)   (NULL != saa7134_boards[dev->board].radio.name)
362 #define card_is_empress(dev)  (SAA7134_MPEG_EMPRESS == saa7134_boards[dev->board].mpeg)
363 #define card_is_dvb(dev)      (SAA7134_MPEG_DVB     == saa7134_boards[dev->board].mpeg)
364 #define card_has_mpeg(dev)    (SAA7134_MPEG_UNUSED  != saa7134_boards[dev->board].mpeg)
365 #define card(dev)             (saa7134_boards[dev->board])
366 #define card_in(dev,n)        (saa7134_boards[dev->board].inputs[n])
367 
368 /* ----------------------------------------------------------- */
369 /* device / file handle status                                 */
370 
371 #define RESOURCE_OVERLAY       1
372 #define RESOURCE_VIDEO         2
373 #define RESOURCE_VBI           4
374 
375 #define INTERLACE_AUTO         0
376 #define INTERLACE_ON           1
377 #define INTERLACE_OFF          2
378 
379 #define BUFFER_TIMEOUT     msecs_to_jiffies(500)  /* 0.5 seconds */
380 #define TS_BUFFER_TIMEOUT  msecs_to_jiffies(1000)  /* 1 second */
381 
382 struct saa7134_dev;
383 struct saa7134_dma;
384 
385 /* saa7134 page table */
386 struct saa7134_pgtable {
387         unsigned int               size;
388         __le32                     *cpu;
389         dma_addr_t                 dma;
390 };
391 
392 /* tvaudio thread status */
393 struct saa7134_thread {
394         struct task_struct         *thread;
395         unsigned int               scan1;
396         unsigned int               scan2;
397         unsigned int               mode;
398         unsigned int               stopped;
399 };
400 
401 /* buffer for one video/vbi/ts frame */
402 struct saa7134_buf {
403         /* common v4l buffer stuff -- must be first */
404         struct videobuf_buffer vb;
405 
406         /* saa7134 specific */
407         struct saa7134_format   *fmt;
408         unsigned int            top_seen;
409         int (*activate)(struct saa7134_dev *dev,
410                         struct saa7134_buf *buf,
411                         struct saa7134_buf *next);
412 
413         /* page tables */
414         struct saa7134_pgtable  *pt;
415 };
416 
417 struct saa7134_dmaqueue {
418         struct saa7134_dev         *dev;
419         struct saa7134_buf         *curr;
420         struct list_head           queue;
421         struct timer_list          timeout;
422         unsigned int               need_two;
423 };
424 
425 /* video filehandle status */
426 struct saa7134_fh {
427         struct saa7134_dev         *dev;
428         unsigned int               radio;
429         enum v4l2_buf_type         type;
430         unsigned int               resources;
431         enum v4l2_priority         prio;
432 
433         /* video overlay */
434         struct v4l2_window         win;
435         struct v4l2_clip           clips[8];
436         unsigned int               nclips;
437 
438         /* video capture */
439         struct saa7134_format      *fmt;
440         unsigned int               width,height;
441         struct videobuf_queue      cap;
442         struct saa7134_pgtable     pt_cap;
443 
444         /* vbi capture */
445         struct videobuf_queue      vbi;
446         struct saa7134_pgtable     pt_vbi;
447 };
448 
449 /* dmasound dsp status */
450 struct saa7134_dmasound {
451         struct mutex               lock;
452         int                        minor_mixer;
453         int                        minor_dsp;
454         unsigned int               users_dsp;
455 
456         /* mixer */
457         enum saa7134_audio_in      input;
458         unsigned int               count;
459         unsigned int               line1;
460         unsigned int               line2;
461 
462         /* dsp */
463         unsigned int               afmt;
464         unsigned int               rate;
465         unsigned int               channels;
466         unsigned int               recording_on;
467         unsigned int               dma_running;
468         unsigned int               blocks;
469         unsigned int               blksize;
470         unsigned int               bufsize;
471         struct saa7134_pgtable     pt;
472         struct videobuf_dmabuf     dma;
473         unsigned int               dma_blk;
474         unsigned int               read_offset;
475         unsigned int               read_count;
476         void *                     priv_data;
477         struct snd_pcm_substream   *substream;
478 };
479 
480 /* ts/mpeg status */
481 struct saa7134_ts {
482         /* TS capture */
483         struct saa7134_pgtable     pt_ts;
484         int                        nr_packets;
485         int                        nr_bufs;
486 };
487 
488 /* ts/mpeg ops */
489 struct saa7134_mpeg_ops {
490         enum saa7134_mpeg_type     type;
491         struct list_head           next;
492         int                        (*init)(struct saa7134_dev *dev);
493         int                        (*fini)(struct saa7134_dev *dev);
494         void                       (*signal_change)(struct saa7134_dev *dev);
495 };
496 
497 /* global device status */
498 struct saa7134_dev {
499         struct list_head           devlist;
500         struct mutex               lock;
501         spinlock_t                 slock;
502         struct v4l2_prio_state     prio;
503         struct v4l2_device         v4l2_dev;
504         /* workstruct for loading modules */
505         struct work_struct request_module_wk;
506 
507         /* insmod option/autodetected */
508         int                        autodetected;
509 
510         /* various device info */
511         unsigned int               resources;
512         struct video_device        *video_dev;
513         struct video_device        *radio_dev;
514         struct video_device        *vbi_dev;
515         struct saa7134_dmasound    dmasound;
516 
517         /* infrared remote */
518         int                        has_remote;
519         struct card_ir             *remote;
520 
521         /* pci i/o */
522         char                       name[32];
523         int                        nr;
524         struct pci_dev             *pci;
525         unsigned char              pci_rev,pci_lat;
526         __u32                      __iomem *lmmio;
527         __u8                       __iomem *bmmio;
528 
529         /* config info */
530         unsigned int               board;
531         unsigned int               tuner_type;
532         unsigned int               radio_type;
533         unsigned char              tuner_addr;
534         unsigned char              radio_addr;
535 
536         unsigned int               tda9887_conf;
537         unsigned int               gpio_value;
538 
539         /* i2c i/o */
540         struct i2c_adapter         i2c_adap;
541         struct i2c_client          i2c_client;
542         unsigned char              eedata[256];
543 
544         /* video overlay */
545         struct v4l2_framebuffer    ovbuf;
546         struct saa7134_format      *ovfmt;
547         unsigned int               ovenable;
548         enum v4l2_field            ovfield;
549 
550         /* video+ts+vbi capture */
551         struct saa7134_dmaqueue    video_q;
552         struct saa7134_dmaqueue    vbi_q;
553         unsigned int               video_fieldcount;
554         unsigned int               vbi_fieldcount;
555 
556         /* various v4l controls */
557         struct saa7134_tvnorm      *tvnorm;              /* video */
558         struct saa7134_tvaudio     *tvaudio;
559         unsigned int               ctl_input;
560         int                        ctl_bright;
561         int                        ctl_contrast;
562         int                        ctl_hue;
563         int                        ctl_saturation;
564         int                        ctl_freq;
565         int                        ctl_mute;             /* audio */
566         int                        ctl_volume;
567         int                        ctl_invert;           /* private */
568         int                        ctl_mirror;
569         int                        ctl_y_odd;
570         int                        ctl_y_even;
571         int                        ctl_automute;
572 
573         /* crop */
574         struct v4l2_rect           crop_bounds;
575         struct v4l2_rect           crop_defrect;
576         struct v4l2_rect           crop_current;
577 
578         /* other global state info */
579         unsigned int               automute;
580         struct saa7134_thread      thread;
581         struct saa7134_input       *input;
582         struct saa7134_input       *hw_input;
583         unsigned int               hw_mute;
584         int                        last_carrier;
585         int                        nosignal;
586         unsigned int               insuspend;
587 
588         /* I2C keyboard data */
589         struct i2c_board_info      info;
590         struct IR_i2c_init_data    init_data;
591 
592         /* SAA7134_MPEG_* */
593         struct saa7134_ts          ts;
594         struct saa7134_dmaqueue    ts_q;
595         int                        ts_started;
596         struct saa7134_mpeg_ops    *mops;
597 
598         /* SAA7134_MPEG_EMPRESS only */
599         struct video_device        *empress_dev;
600         struct videobuf_queue      empress_tsq;
601         atomic_t                   empress_users;
602         struct work_struct         empress_workqueue;
603         int                        empress_started;
604 
605 #if defined(CONFIG_VIDEO_SAA7134_DVB) || defined(CONFIG_VIDEO_SAA7134_DVB_MODULE)
606         /* SAA7134_MPEG_DVB only */
607         struct videobuf_dvb_frontends frontends;
608         int (*original_demod_sleep)(struct dvb_frontend *fe);
609         int (*original_set_voltage)(struct dvb_frontend *fe, fe_sec_voltage_t voltage);
610         int (*original_set_high_voltage)(struct dvb_frontend *fe, long arg);
611 #endif
612         void (*gate_ctrl)(struct saa7134_dev *dev, int open);
613 };
614 
615 /* ----------------------------------------------------------- */
616 
617 #define saa_readl(reg)             readl(dev->lmmio + (reg))
618 #define saa_writel(reg,value)      writel((value), dev->lmmio + (reg));
619 #define saa_andorl(reg,mask,value) \
620   writel((readl(dev->lmmio+(reg)) & ~(mask)) |\
621   ((value) & (mask)), dev->lmmio+(reg))
622 #define saa_setl(reg,bit)          saa_andorl((reg),(bit),(bit))
623 #define saa_clearl(reg,bit)        saa_andorl((reg),(bit),0)
624 
625 #define saa_readb(reg)             readb(dev->bmmio + (reg))
626 #define saa_writeb(reg,value)      writeb((value), dev->bmmio + (reg));
627 #define saa_andorb(reg,mask,value) \
628   writeb((readb(dev->bmmio+(reg)) & ~(mask)) |\
629   ((value) & (mask)), dev->bmmio+(reg))
630 #define saa_setb(reg,bit)          saa_andorb((reg),(bit),(bit))
631 #define saa_clearb(reg,bit)        saa_andorb((reg),(bit),0)
632 
633 #define saa_wait(us) { udelay(us); }
634 
635 #define SAA7134_NORMS   (\
636                 V4L2_STD_PAL    | V4L2_STD_PAL_N | \
637                 V4L2_STD_PAL_Nc | V4L2_STD_SECAM | \
638                 V4L2_STD_NTSC   | V4L2_STD_PAL_M | \
639                 V4L2_STD_PAL_60)
640 
641 #define GRP_EMPRESS (1)
642 #define saa_call_all(dev, o, f, args...) do {                           \
643         if (dev->gate_ctrl)                                             \
644                 dev->gate_ctrl(dev, 1);                                 \
645         v4l2_device_call_all(&(dev)->v4l2_dev, 0, o, f , ##args);       \
646         if (dev->gate_ctrl)                                             \
647                 dev->gate_ctrl(dev, 0);                                 \
648 } while (0)
649 
650 #define saa_call_empress(dev, o, f, args...) ({                         \
651         long _rc;                                                       \
652         if (dev->gate_ctrl)                                             \
653                 dev->gate_ctrl(dev, 1);                                 \
654         _rc = v4l2_device_call_until_err(&(dev)->v4l2_dev,              \
655                                          GRP_EMPRESS, o, f , ##args);   \
656         if (dev->gate_ctrl)                                             \
657                 dev->gate_ctrl(dev, 0);                                 \
658         _rc;                                                            \
659 })
660 
661 /* ----------------------------------------------------------- */
662 /* saa7134-core.c                                              */
663 
664 extern struct list_head  saa7134_devlist;
665 extern struct mutex saa7134_devlist_lock;
666 extern int saa7134_no_overlay;
667 
668 void saa7134_track_gpio(struct saa7134_dev *dev, char *msg);
669 void saa7134_set_gpio(struct saa7134_dev *dev, int bit_no, int value);
670 
671 #define SAA7134_PGTABLE_SIZE 4096
672 
673 int saa7134_pgtable_alloc(struct pci_dev *pci, struct saa7134_pgtable *pt);
674 int  saa7134_pgtable_build(struct pci_dev *pci, struct saa7134_pgtable *pt,
675                            struct scatterlist *list, unsigned int length,
676                            unsigned int startpage);
677 void saa7134_pgtable_free(struct pci_dev *pci, struct saa7134_pgtable *pt);
678 
679 int saa7134_buffer_count(unsigned int size, unsigned int count);
680 int saa7134_buffer_startpage(struct saa7134_buf *buf);
681 unsigned long saa7134_buffer_base(struct saa7134_buf *buf);
682 
683 int saa7134_buffer_queue(struct saa7134_dev *dev, struct saa7134_dmaqueue *q,
684                          struct saa7134_buf *buf);
685 void saa7134_buffer_finish(struct saa7134_dev *dev, struct saa7134_dmaqueue *q,
686                            unsigned int state);
687 void saa7134_buffer_next(struct saa7134_dev *dev, struct saa7134_dmaqueue *q);
688 void saa7134_buffer_timeout(unsigned long data);
689 void saa7134_dma_free(struct videobuf_queue *q,struct saa7134_buf *buf);
690 
691 int saa7134_set_dmabits(struct saa7134_dev *dev);
692 
693 extern int (*saa7134_dmasound_init)(struct saa7134_dev *dev);
694 extern int (*saa7134_dmasound_exit)(struct saa7134_dev *dev);
695 
696 
697 /* ----------------------------------------------------------- */
698 /* saa7134-cards.c                                             */
699 
700 extern struct saa7134_board saa7134_boards[];
701 extern const unsigned int saa7134_bcount;
702 extern struct pci_device_id __devinitdata saa7134_pci_tbl[];
703 
704 extern int saa7134_board_init1(struct saa7134_dev *dev);
705 extern int saa7134_board_init2(struct saa7134_dev *dev);
706 int saa7134_tuner_callback(void *priv, int component, int command, int arg);
707 
708 
709 /* ----------------------------------------------------------- */
710 /* saa7134-i2c.c                                               */
711 
712 int saa7134_i2c_register(struct saa7134_dev *dev);
713 int saa7134_i2c_unregister(struct saa7134_dev *dev);
714 
715 
716 /* ----------------------------------------------------------- */
717 /* saa7134-video.c                                             */
718 
719 extern unsigned int video_debug;
720 extern struct video_device saa7134_video_template;
721 extern struct video_device saa7134_radio_template;
722 
723 int saa7134_s_ctrl_internal(struct saa7134_dev *dev,  struct saa7134_fh *fh, struct v4l2_control *c);
724 int saa7134_g_ctrl_internal(struct saa7134_dev *dev,  struct saa7134_fh *fh, struct v4l2_control *c);
725 int saa7134_queryctrl(struct file *file, void *priv, struct v4l2_queryctrl *c);
726 int saa7134_s_std_internal(struct saa7134_dev *dev,  struct saa7134_fh *fh, v4l2_std_id *id);
727 
728 int saa7134_videoport_init(struct saa7134_dev *dev);
729 void saa7134_set_tvnorm_hw(struct saa7134_dev *dev);
730 
731 int saa7134_video_init1(struct saa7134_dev *dev);
732 int saa7134_video_init2(struct saa7134_dev *dev);
733 void saa7134_irq_video_signalchange(struct saa7134_dev *dev);
734 void saa7134_irq_video_done(struct saa7134_dev *dev, unsigned long status);
735 
736 
737 /* ----------------------------------------------------------- */
738 /* saa7134-ts.c                                                */
739 
740 #define TS_PACKET_SIZE 188 /* TS packets 188 bytes */
741 
742 extern struct videobuf_queue_ops saa7134_ts_qops;
743 
744 int saa7134_ts_init1(struct saa7134_dev *dev);
745 int saa7134_ts_fini(struct saa7134_dev *dev);
746 void saa7134_irq_ts_done(struct saa7134_dev *dev, unsigned long status);
747 
748 int saa7134_ts_register(struct saa7134_mpeg_ops *ops);
749 void saa7134_ts_unregister(struct saa7134_mpeg_ops *ops);
750 
751 int saa7134_ts_init_hw(struct saa7134_dev *dev);
752 
753 int saa7134_ts_start(struct saa7134_dev *dev);
754 int saa7134_ts_stop(struct saa7134_dev *dev);
755 
756 /* ----------------------------------------------------------- */
757 /* saa7134-vbi.c                                               */
758 
759 extern struct videobuf_queue_ops saa7134_vbi_qops;
760 extern struct video_device saa7134_vbi_template;
761 
762 int saa7134_vbi_init1(struct saa7134_dev *dev);
763 int saa7134_vbi_fini(struct saa7134_dev *dev);
764 void saa7134_irq_vbi_done(struct saa7134_dev *dev, unsigned long status);
765 
766 
767 /* ----------------------------------------------------------- */
768 /* saa7134-tvaudio.c                                           */
769 
770 int saa7134_tvaudio_rx2mode(u32 rx);
771 
772 void saa7134_tvaudio_setmute(struct saa7134_dev *dev);
773 void saa7134_tvaudio_setinput(struct saa7134_dev *dev,
774                               struct saa7134_input *in);
775 void saa7134_tvaudio_setvolume(struct saa7134_dev *dev, int level);
776 int saa7134_tvaudio_getstereo(struct saa7134_dev *dev);
777 
778 void saa7134_tvaudio_init(struct saa7134_dev *dev);
779 int saa7134_tvaudio_init2(struct saa7134_dev *dev);
780 int saa7134_tvaudio_fini(struct saa7134_dev *dev);
781 int saa7134_tvaudio_do_scan(struct saa7134_dev *dev);
782 
783 int saa_dsp_writel(struct saa7134_dev *dev, int reg, u32 value);
784 
785 void saa7134_enable_i2s(struct saa7134_dev *dev);
786 
787 /* ----------------------------------------------------------- */
788 /* saa7134-oss.c                                               */
789 
790 extern const struct file_operations saa7134_dsp_fops;
791 extern const struct file_operations saa7134_mixer_fops;
792 
793 int saa7134_oss_init1(struct saa7134_dev *dev);
794 int saa7134_oss_fini(struct saa7134_dev *dev);
795 void saa7134_irq_oss_done(struct saa7134_dev *dev, unsigned long status);
796 
797 /* ----------------------------------------------------------- */
798 /* saa7134-input.c                                             */
799 
800 int  saa7134_input_init1(struct saa7134_dev *dev);
801 void saa7134_input_fini(struct saa7134_dev *dev);
802 void saa7134_input_irq(struct saa7134_dev *dev);
803 void saa7134_probe_i2c_ir(struct saa7134_dev *dev);
804 void saa7134_ir_start(struct saa7134_dev *dev, struct card_ir *ir);
805 void saa7134_ir_stop(struct saa7134_dev *dev);
806 
807 
808 /*
809  * Local variables:
810  * c-basic-offset: 8
811  * End:
812  */
813 
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