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V4L/DVB (4272): Fix tveeprom supported standards
[linux-2.6/btrfs-unstable.git] / drivers / media / video / tvaudio.c
blobc2b756107548ff56625b4d5c608381ffbf01746b
1 /*
2 * experimental driver for simple i2c audio chips.
3 *
4 * Copyright (c) 2000 Gerd Knorr
5 * based on code by:
6 * Eric Sandeen (eric_sandeen@bigfoot.com)
7 * Steve VanDeBogart (vandebo@uclink.berkeley.edu)
8 * Greg Alexander (galexand@acm.org)
9 *
10 * This code is placed under the terms of the GNU General Public License
11 *
12 * OPTIONS:
13 * debug - set to 1 if you'd like to see debug messages
14 *
15 */
16
17 #include <linux/config.h>
18 #include <linux/module.h>
19 #include <linux/moduleparam.h>
20 #include <linux/kernel.h>
21 #include <linux/sched.h>
22 #include <linux/string.h>
23 #include <linux/timer.h>
24 #include <linux/delay.h>
25 #include <linux/errno.h>
26 #include <linux/slab.h>
27 #include <linux/videodev.h>
28 #include <linux/i2c.h>
29 #include <linux/i2c-algo-bit.h>
30 #include <linux/init.h>
31 #include <linux/smp_lock.h>
32
33 #include <media/tvaudio.h>
34 #include <media/v4l2-common.h>
35
36 #include <media/i2c-addr.h>
37
38 /* ---------------------------------------------------------------------- */
39 /* insmod args */
40
41 static int debug = 0; /* insmod parameter */
42 module_param(debug, int, 0644);
43
44 MODULE_DESCRIPTION("device driver for various i2c TV sound decoder / audiomux chips");
45 MODULE_AUTHOR("Eric Sandeen, Steve VanDeBogart, Greg Alexander, Gerd Knorr");
46 MODULE_LICENSE("GPL");
47
48 #define UNSET (-1U)
49
50 /* ---------------------------------------------------------------------- */
51 /* our structs */
52
53 #define MAXREGS 64
54
55 struct CHIPSTATE;
56 typedef int (*getvalue)(int);
57 typedef int (*checkit)(struct CHIPSTATE*);
58 typedef int (*initialize)(struct CHIPSTATE*);
59 typedef int (*getmode)(struct CHIPSTATE*);
60 typedef void (*setmode)(struct CHIPSTATE*, int mode);
61 typedef void (*checkmode)(struct CHIPSTATE*);
62
63 /* i2c command */
64 typedef struct AUDIOCMD {
65 int count; /* # of bytes to send */
66 unsigned char bytes[MAXREGS+1]; /* addr, data, data, ... */
67 } audiocmd;
68
69 /* chip description */
70 struct CHIPDESC {
71 char *name; /* chip name */
72 int id; /* ID */
73 int addr_lo, addr_hi; /* i2c address range */
74 int registers; /* # of registers */
75
76 int *insmodopt;
77 checkit checkit;
78 initialize initialize;
79 int flags;
80 #define CHIP_HAS_VOLUME 1
81 #define CHIP_HAS_BASSTREBLE 2
82 #define CHIP_HAS_INPUTSEL 4
83
84 /* various i2c command sequences */
85 audiocmd init;
86
87 /* which register has which value */
88 int leftreg,rightreg,treblereg,bassreg;
89
90 /* initialize with (defaults to 65535/65535/32768/32768 */
91 int leftinit,rightinit,trebleinit,bassinit;
92
93 /* functions to convert the values (v4l -> chip) */
94 getvalue volfunc,treblefunc,bassfunc;
95
96 /* get/set mode */
97 getmode getmode;
98 setmode setmode;
99
100 /* check / autoswitch audio after channel switches */
101 checkmode checkmode;
102
103 /* input switch register + values for v4l inputs */
104 int inputreg;
105 int inputmap[4];
106 int inputmute;
107 int inputmask;
108 };
109 static struct CHIPDESC chiplist[];
110
111 /* current state of the chip */
112 struct CHIPSTATE {
113 struct i2c_client c;
114
115 /* index into CHIPDESC array */
116 int type;
117
118 /* shadow register set */
119 audiocmd shadow;
120
121 /* current settings */
122 __u16 left,right,treble,bass,muted,mode;
123 int prevmode;
124 int radio;
125 int input;
126
127 /* thread */
128 pid_t tpid;
129 struct completion texit;
130 wait_queue_head_t wq;
131 struct timer_list wt;
132 int done;
133 int watch_stereo;
134 int audmode;
135 };
136
137 /* ---------------------------------------------------------------------- */
138 /* i2c addresses */
139
140 static unsigned short normal_i2c[] = {
141 I2C_ADDR_TDA8425 >> 1,
142 I2C_ADDR_TEA6300 >> 1,
143 I2C_ADDR_TEA6420 >> 1,
144 I2C_ADDR_TDA9840 >> 1,
145 I2C_ADDR_TDA985x_L >> 1,
146 I2C_ADDR_TDA985x_H >> 1,
147 I2C_ADDR_TDA9874 >> 1,
148 I2C_ADDR_PIC16C54 >> 1,
149 I2C_CLIENT_END };
150 I2C_CLIENT_INSMOD;
151
152 static struct i2c_driver driver;
153 static struct i2c_client client_template;
154
155
156 /* ---------------------------------------------------------------------- */
157 /* i2c I/O functions */
158
159 static int chip_write(struct CHIPSTATE *chip, int subaddr, int val)
160 {
161 unsigned char buffer[2];
162
163 if (-1 == subaddr) {
164 v4l_dbg(1, debug, &chip->c, "%s: chip_write: 0x%x\n",
165 chip->c.name, val);
166 chip->shadow.bytes[1] = val;
167 buffer[0] = val;
168 if (1 != i2c_master_send(&chip->c,buffer,1)) {
169 v4l_warn(&chip->c, "%s: I/O error (write 0x%x)\n",
170 chip->c.name, val);
171 return -1;
172 }
173 } else {
174 v4l_dbg(1, debug, &chip->c, "%s: chip_write: reg%d=0x%x\n",
175 chip->c.name, subaddr, val);
176 chip->shadow.bytes[subaddr+1] = val;
177 buffer[0] = subaddr;
178 buffer[1] = val;
179 if (2 != i2c_master_send(&chip->c,buffer,2)) {
180 v4l_warn(&chip->c, "%s: I/O error (write reg%d=0x%x)\n",
181 chip->c.name, subaddr, val);
182 return -1;
183 }
184 }
185 return 0;
186 }
187
188 static int chip_write_masked(struct CHIPSTATE *chip, int subaddr, int val, int mask)
189 {
190 if (mask != 0) {
191 if (-1 == subaddr) {
192 val = (chip->shadow.bytes[1] & ~mask) | (val & mask);
193 } else {
194 val = (chip->shadow.bytes[subaddr+1] & ~mask) | (val & mask);
195 }
196 }
197 return chip_write(chip, subaddr, val);
198 }
199
200 static int chip_read(struct CHIPSTATE *chip)
201 {
202 unsigned char buffer;
203
204 if (1 != i2c_master_recv(&chip->c,&buffer,1)) {
205 v4l_warn(&chip->c, "%s: I/O error (read)\n",
206 chip->c.name);
207 return -1;
208 }
209 v4l_dbg(1, debug, &chip->c, "%s: chip_read: 0x%x\n",chip->c.name, buffer);
210 return buffer;
211 }
212
213 static int chip_read2(struct CHIPSTATE *chip, int subaddr)
214 {
215 unsigned char write[1];
216 unsigned char read[1];
217 struct i2c_msg msgs[2] = {
218 { chip->c.addr, 0, 1, write },
219 { chip->c.addr, I2C_M_RD, 1, read }
220 };
221 write[0] = subaddr;
222
223 if (2 != i2c_transfer(chip->c.adapter,msgs,2)) {
224 v4l_warn(&chip->c, "%s: I/O error (read2)\n", chip->c.name);
225 return -1;
226 }
227 v4l_dbg(1, debug, &chip->c, "%s: chip_read2: reg%d=0x%x\n",
228 chip->c.name, subaddr,read[0]);
229 return read[0];
230 }
231
232 static int chip_cmd(struct CHIPSTATE *chip, char *name, audiocmd *cmd)
233 {
234 int i;
235
236 if (0 == cmd->count)
237 return 0;
238
239 /* update our shadow register set; print bytes if (debug > 0) */
240 v4l_dbg(1, debug, &chip->c, "%s: chip_cmd(%s): reg=%d, data:",
241 chip->c.name, name,cmd->bytes[0]);
242 for (i = 1; i < cmd->count; i++) {
243 if (debug)
244 printk(" 0x%x",cmd->bytes[i]);
245 chip->shadow.bytes[i+cmd->bytes[0]] = cmd->bytes[i];
246 }
247 if (debug)
248 printk("\n");
249
250 /* send data to the chip */
251 if (cmd->count != i2c_master_send(&chip->c,cmd->bytes,cmd->count)) {
252 v4l_warn(&chip->c, "%s: I/O error (%s)\n", chip->c.name, name);
253 return -1;
254 }
255 return 0;
256 }
257
258 /* ---------------------------------------------------------------------- */
259 /* kernel thread for doing i2c stuff asyncronly
260 * right now it is used only to check the audio mode (mono/stereo/whatever)
261 * some time after switching to another TV channel, then turn on stereo
262 * if available, ...
263 */
264
265 static void chip_thread_wake(unsigned long data)
266 {
267 struct CHIPSTATE *chip = (struct CHIPSTATE*)data;
268 wake_up_interruptible(&chip->wq);
269 }
270
271 static int chip_thread(void *data)
272 {
273 DECLARE_WAITQUEUE(wait, current);
274 struct CHIPSTATE *chip = data;
275 struct CHIPDESC *desc = chiplist + chip->type;
276
277 daemonize("%s", chip->c.name);
278 allow_signal(SIGTERM);
279 v4l_dbg(1, debug, &chip->c, "%s: thread started\n", chip->c.name);
280
281 for (;;) {
282 add_wait_queue(&chip->wq, &wait);
283 if (!chip->done) {
284 set_current_state(TASK_INTERRUPTIBLE);
285 schedule();
286 }
287 remove_wait_queue(&chip->wq, &wait);
288 try_to_freeze();
289 if (chip->done || signal_pending(current))
290 break;
291 v4l_dbg(1, debug, &chip->c, "%s: thread wakeup\n", chip->c.name);
292
293 /* don't do anything for radio or if mode != auto */
294 if (chip->radio || chip->mode != 0)
295 continue;
296
297 /* have a look what's going on */
298 desc->checkmode(chip);
299
300 /* schedule next check */
301 mod_timer(&chip->wt, jiffies+2*HZ);
302 }
303
304 v4l_dbg(1, debug, &chip->c, "%s: thread exiting\n", chip->c.name);
305 complete_and_exit(&chip->texit, 0);
306 return 0;
307 }
308
309 static void generic_checkmode(struct CHIPSTATE *chip)
310 {
311 struct CHIPDESC *desc = chiplist + chip->type;
312 int mode = desc->getmode(chip);
313
314 if (mode == chip->prevmode)
315 return;
316
317 v4l_dbg(1, debug, &chip->c, "%s: thread checkmode\n", chip->c.name);
318 chip->prevmode = mode;
319
320 if (mode & VIDEO_SOUND_STEREO)
321 desc->setmode(chip,VIDEO_SOUND_STEREO);
322 else if (mode & VIDEO_SOUND_LANG1)
323 desc->setmode(chip,VIDEO_SOUND_LANG1);
324 else if (mode & VIDEO_SOUND_LANG2)
325 desc->setmode(chip,VIDEO_SOUND_LANG2);
326 else
327 desc->setmode(chip,VIDEO_SOUND_MONO);
328 }
329
330 /* ---------------------------------------------------------------------- */
331 /* audio chip descriptions - defines+functions for tda9840 */
332
333 #define TDA9840_SW 0x00
334 #define TDA9840_LVADJ 0x02
335 #define TDA9840_STADJ 0x03
336 #define TDA9840_TEST 0x04
337
338 #define TDA9840_MONO 0x10
339 #define TDA9840_STEREO 0x2a
340 #define TDA9840_DUALA 0x12
341 #define TDA9840_DUALB 0x1e
342 #define TDA9840_DUALAB 0x1a
343 #define TDA9840_DUALBA 0x16
344 #define TDA9840_EXTERNAL 0x7a
345
346 #define TDA9840_DS_DUAL 0x20 /* Dual sound identified */
347 #define TDA9840_ST_STEREO 0x40 /* Stereo sound identified */
348 #define TDA9840_PONRES 0x80 /* Power-on reset detected if = 1 */
349
350 #define TDA9840_TEST_INT1SN 0x1 /* Integration time 0.5s when set */
351 #define TDA9840_TEST_INTFU 0x02 /* Disables integrator function */
352
353 static int tda9840_getmode(struct CHIPSTATE *chip)
354 {
355 int val, mode;
356
357 val = chip_read(chip);
358 mode = VIDEO_SOUND_MONO;
359 if (val & TDA9840_DS_DUAL)
360 mode |= VIDEO_SOUND_LANG1 | VIDEO_SOUND_LANG2;
361 if (val & TDA9840_ST_STEREO)
362 mode |= VIDEO_SOUND_STEREO;
363
364 v4l_dbg(1, debug, &chip->c, "tda9840_getmode(): raw chip read: %d, return: %d\n",
365 val, mode);
366 return mode;
367 }
368
369 static void tda9840_setmode(struct CHIPSTATE *chip, int mode)
370 {
371 int update = 1;
372 int t = chip->shadow.bytes[TDA9840_SW + 1] & ~0x7e;
373
374 switch (mode) {
375 case VIDEO_SOUND_MONO:
376 t |= TDA9840_MONO;
377 break;
378 case VIDEO_SOUND_STEREO:
379 t |= TDA9840_STEREO;
380 break;
381 case VIDEO_SOUND_LANG1:
382 t |= TDA9840_DUALA;
383 break;
384 case VIDEO_SOUND_LANG2:
385 t |= TDA9840_DUALB;
386 break;
387 default:
388 update = 0;
389 }
390
391 if (update)
392 chip_write(chip, TDA9840_SW, t);
393 }
394
395 static int tda9840_checkit(struct CHIPSTATE *chip)
396 {
397 int rc;
398 rc = chip_read(chip);
399 /* lower 5 bits should be 0 */
400 return ((rc & 0x1f) == 0) ? 1 : 0;
401 }
402
403 /* ---------------------------------------------------------------------- */
404 /* audio chip descriptions - defines+functions for tda985x */
405
406 /* subaddresses for TDA9855 */
407 #define TDA9855_VR 0x00 /* Volume, right */
408 #define TDA9855_VL 0x01 /* Volume, left */
409 #define TDA9855_BA 0x02 /* Bass */
410 #define TDA9855_TR 0x03 /* Treble */
411 #define TDA9855_SW 0x04 /* Subwoofer - not connected on DTV2000 */
412
413 /* subaddresses for TDA9850 */
414 #define TDA9850_C4 0x04 /* Control 1 for TDA9850 */
415
416 /* subaddesses for both chips */
417 #define TDA985x_C5 0x05 /* Control 2 for TDA9850, Control 1 for TDA9855 */
418 #define TDA985x_C6 0x06 /* Control 3 for TDA9850, Control 2 for TDA9855 */
419 #define TDA985x_C7 0x07 /* Control 4 for TDA9850, Control 3 for TDA9855 */
420 #define TDA985x_A1 0x08 /* Alignment 1 for both chips */
421 #define TDA985x_A2 0x09 /* Alignment 2 for both chips */
422 #define TDA985x_A3 0x0a /* Alignment 3 for both chips */
423
424 /* Masks for bits in TDA9855 subaddresses */
425 /* 0x00 - VR in TDA9855 */
426 /* 0x01 - VL in TDA9855 */
427 /* lower 7 bits control gain from -71dB (0x28) to 16dB (0x7f)
428 * in 1dB steps - mute is 0x27 */
429
430
431 /* 0x02 - BA in TDA9855 */
432 /* lower 5 bits control bass gain from -12dB (0x06) to 16.5dB (0x19)
433 * in .5dB steps - 0 is 0x0E */
434
435
436 /* 0x03 - TR in TDA9855 */
437 /* 4 bits << 1 control treble gain from -12dB (0x3) to 12dB (0xb)
438 * in 3dB steps - 0 is 0x7 */
439
440 /* Masks for bits in both chips' subaddresses */
441 /* 0x04 - SW in TDA9855, C4/Control 1 in TDA9850 */
442 /* Unique to TDA9855: */
443 /* 4 bits << 2 control subwoofer/surround gain from -14db (0x1) to 14db (0xf)
444 * in 3dB steps - mute is 0x0 */
445
446 /* Unique to TDA9850: */
447 /* lower 4 bits control stereo noise threshold, over which stereo turns off
448 * set to values of 0x00 through 0x0f for Ster1 through Ster16 */
449
450
451 /* 0x05 - C5 - Control 1 in TDA9855 , Control 2 in TDA9850*/
452 /* Unique to TDA9855: */
453 #define TDA9855_MUTE 1<<7 /* GMU, Mute at outputs */
454 #define TDA9855_AVL 1<<6 /* AVL, Automatic Volume Level */
455 #define TDA9855_LOUD 1<<5 /* Loudness, 1==off */
456 #define TDA9855_SUR 1<<3 /* Surround / Subwoofer 1==.5(L-R) 0==.5(L+R) */
457 /* Bits 0 to 3 select various combinations
458 * of line in and line out, only the
459 * interesting ones are defined */
460 #define TDA9855_EXT 1<<2 /* Selects inputs LIR and LIL. Pins 41 & 12 */
461 #define TDA9855_INT 0 /* Selects inputs LOR and LOL. (internal) */
462
463 /* Unique to TDA9850: */
464 /* lower 4 bits contol SAP noise threshold, over which SAP turns off
465 * set to values of 0x00 through 0x0f for SAP1 through SAP16 */
466
467
468 /* 0x06 - C6 - Control 2 in TDA9855, Control 3 in TDA9850 */
469 /* Common to TDA9855 and TDA9850: */
470 #define TDA985x_SAP 3<<6 /* Selects SAP output, mute if not received */
471 #define TDA985x_STEREO 1<<6 /* Selects Stereo ouput, mono if not received */
472 #define TDA985x_MONO 0 /* Forces Mono output */
473 #define TDA985x_LMU 1<<3 /* Mute (LOR/LOL for 9855, OUTL/OUTR for 9850) */
474
475 /* Unique to TDA9855: */
476 #define TDA9855_TZCM 1<<5 /* If set, don't mute till zero crossing */
477 #define TDA9855_VZCM 1<<4 /* If set, don't change volume till zero crossing*/
478 #define TDA9855_LINEAR 0 /* Linear Stereo */
479 #define TDA9855_PSEUDO 1 /* Pseudo Stereo */
480 #define TDA9855_SPAT_30 2 /* Spatial Stereo, 30% anti-phase crosstalk */
481 #define TDA9855_SPAT_50 3 /* Spatial Stereo, 52% anti-phase crosstalk */
482 #define TDA9855_E_MONO 7 /* Forced mono - mono select elseware, so useless*/
483
484 /* 0x07 - C7 - Control 3 in TDA9855, Control 4 in TDA9850 */
485 /* Common to both TDA9855 and TDA9850: */
486 /* lower 4 bits control input gain from -3.5dB (0x0) to 4dB (0xF)
487 * in .5dB steps - 0dB is 0x7 */
488
489 /* 0x08, 0x09 - A1 and A2 (read/write) */
490 /* Common to both TDA9855 and TDA9850: */
491 /* lower 5 bites are wideband and spectral expander alignment
492 * from 0x00 to 0x1f - nominal at 0x0f and 0x10 (read/write) */
493 #define TDA985x_STP 1<<5 /* Stereo Pilot/detect (read-only) */
494 #define TDA985x_SAPP 1<<6 /* SAP Pilot/detect (read-only) */
495 #define TDA985x_STS 1<<7 /* Stereo trigger 1= <35mV 0= <30mV (write-only)*/
496
497 /* 0x0a - A3 */
498 /* Common to both TDA9855 and TDA9850: */
499 /* lower 3 bits control timing current for alignment: -30% (0x0), -20% (0x1),
500 * -10% (0x2), nominal (0x3), +10% (0x6), +20% (0x5), +30% (0x4) */
501 #define TDA985x_ADJ 1<<7 /* Stereo adjust on/off (wideband and spectral */
502
503 static int tda9855_volume(int val) { return val/0x2e8+0x27; }
504 static int tda9855_bass(int val) { return val/0xccc+0x06; }
505 static int tda9855_treble(int val) { return (val/0x1c71+0x3)<<1; }
506
507 static int tda985x_getmode(struct CHIPSTATE *chip)
508 {
509 int mode;
510
511 mode = ((TDA985x_STP | TDA985x_SAPP) &
512 chip_read(chip)) >> 4;
513 /* Add mono mode regardless of SAP and stereo */
514 /* Allows forced mono */
515 return mode | VIDEO_SOUND_MONO;
516 }
517
518 static void tda985x_setmode(struct CHIPSTATE *chip, int mode)
519 {
520 int update = 1;
521 int c6 = chip->shadow.bytes[TDA985x_C6+1] & 0x3f;
522
523 switch (mode) {
524 case VIDEO_SOUND_MONO:
525 c6 |= TDA985x_MONO;
526 break;
527 case VIDEO_SOUND_STEREO:
528 c6 |= TDA985x_STEREO;
529 break;
530 case VIDEO_SOUND_LANG1:
531 c6 |= TDA985x_SAP;
532 break;
533 default:
534 update = 0;
535 }
536 if (update)
537 chip_write(chip,TDA985x_C6,c6);
538 }
539
540
541 /* ---------------------------------------------------------------------- */
542 /* audio chip descriptions - defines+functions for tda9873h */
543
544 /* Subaddresses for TDA9873H */
545
546 #define TDA9873_SW 0x00 /* Switching */
547 #define TDA9873_AD 0x01 /* Adjust */
548 #define TDA9873_PT 0x02 /* Port */
549
550 /* Subaddress 0x00: Switching Data
551 * B7..B0:
552 *
553 * B1, B0: Input source selection
554 * 0, 0 internal
555 * 1, 0 external stereo
556 * 0, 1 external mono
557 */
558 #define TDA9873_INP_MASK 3
559 #define TDA9873_INTERNAL 0
560 #define TDA9873_EXT_STEREO 2
561 #define TDA9873_EXT_MONO 1
562
563 /* B3, B2: output signal select
564 * B4 : transmission mode
565 * 0, 0, 1 Mono
566 * 1, 0, 0 Stereo
567 * 1, 1, 1 Stereo (reversed channel)
568 * 0, 0, 0 Dual AB
569 * 0, 0, 1 Dual AA
570 * 0, 1, 0 Dual BB
571 * 0, 1, 1 Dual BA
572 */
573
574 #define TDA9873_TR_MASK (7 << 2)
575 #define TDA9873_TR_MONO 4
576 #define TDA9873_TR_STEREO 1 << 4
577 #define TDA9873_TR_REVERSE (1 << 3) & (1 << 2)
578 #define TDA9873_TR_DUALA 1 << 2
579 #define TDA9873_TR_DUALB 1 << 3
580
581 /* output level controls
582 * B5: output level switch (0 = reduced gain, 1 = normal gain)
583 * B6: mute (1 = muted)
584 * B7: auto-mute (1 = auto-mute enabled)
585 */
586
587 #define TDA9873_GAIN_NORMAL 1 << 5
588 #define TDA9873_MUTE 1 << 6
589 #define TDA9873_AUTOMUTE 1 << 7
590
591 /* Subaddress 0x01: Adjust/standard */
592
593 /* Lower 4 bits (C3..C0) control stereo adjustment on R channel (-0.6 - +0.7 dB)
594 * Recommended value is +0 dB
595 */
596
597 #define TDA9873_STEREO_ADJ 0x06 /* 0dB gain */
598
599 /* Bits C6..C4 control FM stantard
600 * C6, C5, C4
601 * 0, 0, 0 B/G (PAL FM)
602 * 0, 0, 1 M
603 * 0, 1, 0 D/K(1)
604 * 0, 1, 1 D/K(2)
605 * 1, 0, 0 D/K(3)
606 * 1, 0, 1 I
607 */
608 #define TDA9873_BG 0
609 #define TDA9873_M 1
610 #define TDA9873_DK1 2
611 #define TDA9873_DK2 3
612 #define TDA9873_DK3 4
613 #define TDA9873_I 5
614
615 /* C7 controls identification response time (1=fast/0=normal)
616 */
617 #define TDA9873_IDR_NORM 0
618 #define TDA9873_IDR_FAST 1 << 7
619
620
621 /* Subaddress 0x02: Port data */
622
623 /* E1, E0 free programmable ports P1/P2
624 0, 0 both ports low
625 0, 1 P1 high
626 1, 0 P2 high
627 1, 1 both ports high
628 */
629
630 #define TDA9873_PORTS 3
631
632 /* E2: test port */
633 #define TDA9873_TST_PORT 1 << 2
634
635 /* E5..E3 control mono output channel (together with transmission mode bit B4)
636 *
637 * E5 E4 E3 B4 OUTM
638 * 0 0 0 0 mono
639 * 0 0 1 0 DUAL B
640 * 0 1 0 1 mono (from stereo decoder)
641 */
642 #define TDA9873_MOUT_MONO 0
643 #define TDA9873_MOUT_FMONO 0
644 #define TDA9873_MOUT_DUALA 0
645 #define TDA9873_MOUT_DUALB 1 << 3
646 #define TDA9873_MOUT_ST 1 << 4
647 #define TDA9873_MOUT_EXTM (1 << 4 ) & (1 << 3)
648 #define TDA9873_MOUT_EXTL 1 << 5
649 #define TDA9873_MOUT_EXTR (1 << 5 ) & (1 << 3)
650 #define TDA9873_MOUT_EXTLR (1 << 5 ) & (1 << 4)
651 #define TDA9873_MOUT_MUTE (1 << 5 ) & (1 << 4) & (1 << 3)
652
653 /* Status bits: (chip read) */
654 #define TDA9873_PONR 0 /* Power-on reset detected if = 1 */
655 #define TDA9873_STEREO 2 /* Stereo sound is identified */
656 #define TDA9873_DUAL 4 /* Dual sound is identified */
657
658 static int tda9873_getmode(struct CHIPSTATE *chip)
659 {
660 int val,mode;
661
662 val = chip_read(chip);
663 mode = VIDEO_SOUND_MONO;
664 if (val & TDA9873_STEREO)
665 mode |= VIDEO_SOUND_STEREO;
666 if (val & TDA9873_DUAL)
667 mode |= VIDEO_SOUND_LANG1 | VIDEO_SOUND_LANG2;
668 v4l_dbg(1, debug, &chip->c, "tda9873_getmode(): raw chip read: %d, return: %d\n",
669 val, mode);
670 return mode;
671 }
672
673 static void tda9873_setmode(struct CHIPSTATE *chip, int mode)
674 {
675 int sw_data = chip->shadow.bytes[TDA9873_SW+1] & ~ TDA9873_TR_MASK;
676 /* int adj_data = chip->shadow.bytes[TDA9873_AD+1] ; */
677
678 if ((sw_data & TDA9873_INP_MASK) != TDA9873_INTERNAL) {
679 v4l_dbg(1, debug, &chip->c, "tda9873_setmode(): external input\n");
680 return;
681 }
682
683 v4l_dbg(1, debug, &chip->c, "tda9873_setmode(): chip->shadow.bytes[%d] = %d\n", TDA9873_SW+1, chip->shadow.bytes[TDA9873_SW+1]);
684 v4l_dbg(1, debug, &chip->c, "tda9873_setmode(): sw_data = %d\n", sw_data);
685
686 switch (mode) {
687 case VIDEO_SOUND_MONO:
688 sw_data |= TDA9873_TR_MONO;
689 break;
690 case VIDEO_SOUND_STEREO:
691 sw_data |= TDA9873_TR_STEREO;
692 break;
693 case VIDEO_SOUND_LANG1:
694 sw_data |= TDA9873_TR_DUALA;
695 break;
696 case VIDEO_SOUND_LANG2:
697 sw_data |= TDA9873_TR_DUALB;
698 break;
699 default:
700 chip->mode = 0;
701 return;
702 }
703
704 chip_write(chip, TDA9873_SW, sw_data);
705 v4l_dbg(1, debug, &chip->c, "tda9873_setmode(): req. mode %d; chip_write: %d\n",
706 mode, sw_data);
707 }
708
709 static int tda9873_checkit(struct CHIPSTATE *chip)
710 {
711 int rc;
712
713 if (-1 == (rc = chip_read2(chip,254)))
714 return 0;
715 return (rc & ~0x1f) == 0x80;
716 }
717
718
719 /* ---------------------------------------------------------------------- */
720 /* audio chip description - defines+functions for tda9874h and tda9874a */
721 /* Dariusz Kowalewski <darekk@automex.pl> */
722
723 /* Subaddresses for TDA9874H and TDA9874A (slave rx) */
724 #define TDA9874A_AGCGR 0x00 /* AGC gain */
725 #define TDA9874A_GCONR 0x01 /* general config */
726 #define TDA9874A_MSR 0x02 /* monitor select */
727 #define TDA9874A_C1FRA 0x03 /* carrier 1 freq. */
728 #define TDA9874A_C1FRB 0x04 /* carrier 1 freq. */
729 #define TDA9874A_C1FRC 0x05 /* carrier 1 freq. */
730 #define TDA9874A_C2FRA 0x06 /* carrier 2 freq. */
731 #define TDA9874A_C2FRB 0x07 /* carrier 2 freq. */
732 #define TDA9874A_C2FRC 0x08 /* carrier 2 freq. */
733 #define TDA9874A_DCR 0x09 /* demodulator config */
734 #define TDA9874A_FMER 0x0a /* FM de-emphasis */
735 #define TDA9874A_FMMR 0x0b /* FM dematrix */
736 #define TDA9874A_C1OLAR 0x0c /* ch.1 output level adj. */
737 #define TDA9874A_C2OLAR 0x0d /* ch.2 output level adj. */
738 #define TDA9874A_NCONR 0x0e /* NICAM config */
739 #define TDA9874A_NOLAR 0x0f /* NICAM output level adj. */
740 #define TDA9874A_NLELR 0x10 /* NICAM lower error limit */
741 #define TDA9874A_NUELR 0x11 /* NICAM upper error limit */
742 #define TDA9874A_AMCONR 0x12 /* audio mute control */
743 #define TDA9874A_SDACOSR 0x13 /* stereo DAC output select */
744 #define TDA9874A_AOSR 0x14 /* analog output select */
745 #define TDA9874A_DAICONR 0x15 /* digital audio interface config */
746 #define TDA9874A_I2SOSR 0x16 /* I2S-bus output select */
747 #define TDA9874A_I2SOLAR 0x17 /* I2S-bus output level adj. */
748 #define TDA9874A_MDACOSR 0x18 /* mono DAC output select (tda9874a) */
749 #define TDA9874A_ESP 0xFF /* easy standard progr. (tda9874a) */
750
751 /* Subaddresses for TDA9874H and TDA9874A (slave tx) */
752 #define TDA9874A_DSR 0x00 /* device status */
753 #define TDA9874A_NSR 0x01 /* NICAM status */
754 #define TDA9874A_NECR 0x02 /* NICAM error count */
755 #define TDA9874A_DR1 0x03 /* add. data LSB */
756 #define TDA9874A_DR2 0x04 /* add. data MSB */
757 #define TDA9874A_LLRA 0x05 /* monitor level read-out LSB */
758 #define TDA9874A_LLRB 0x06 /* monitor level read-out MSB */
759 #define TDA9874A_SIFLR 0x07 /* SIF level */
760 #define TDA9874A_TR2 252 /* test reg. 2 */
761 #define TDA9874A_TR1 253 /* test reg. 1 */
762 #define TDA9874A_DIC 254 /* device id. code */
763 #define TDA9874A_SIC 255 /* software id. code */
764
765
766 static int tda9874a_mode = 1; /* 0: A2, 1: NICAM */
767 static int tda9874a_GCONR = 0xc0; /* default config. input pin: SIFSEL=0 */
768 static int tda9874a_NCONR = 0x01; /* default NICAM config.: AMSEL=0,AMUTE=1 */
769 static int tda9874a_ESP = 0x07; /* default standard: NICAM D/K */
770 static int tda9874a_dic = -1; /* device id. code */
771
772 /* insmod options for tda9874a */
773 static unsigned int tda9874a_SIF = UNSET;
774 static unsigned int tda9874a_AMSEL = UNSET;
775 static unsigned int tda9874a_STD = UNSET;
776 module_param(tda9874a_SIF, int, 0444);
777 module_param(tda9874a_AMSEL, int, 0444);
778 module_param(tda9874a_STD, int, 0444);
779
780 /*
781 * initialization table for tda9874 decoder:
782 * - carrier 1 freq. registers (3 bytes)
783 * - carrier 2 freq. registers (3 bytes)
784 * - demudulator config register
785 * - FM de-emphasis register (slow identification mode)
786 * Note: frequency registers must be written in single i2c transfer.
787 */
788 static struct tda9874a_MODES {
789 char *name;
790 audiocmd cmd;
791 } tda9874a_modelist[9] = {
792 { "A2, B/G",
793 { 9, { TDA9874A_C1FRA, 0x72,0x95,0x55, 0x77,0xA0,0x00, 0x00,0x00 }} },
794 { "A2, M (Korea)",
795 { 9, { TDA9874A_C1FRA, 0x5D,0xC0,0x00, 0x62,0x6A,0xAA, 0x20,0x22 }} },
796 { "A2, D/K (1)",
797 { 9, { TDA9874A_C1FRA, 0x87,0x6A,0xAA, 0x82,0x60,0x00, 0x00,0x00 }} },
798 { "A2, D/K (2)",
799 { 9, { TDA9874A_C1FRA, 0x87,0x6A,0xAA, 0x8C,0x75,0x55, 0x00,0x00 }} },
800 { "A2, D/K (3)",
801 { 9, { TDA9874A_C1FRA, 0x87,0x6A,0xAA, 0x77,0xA0,0x00, 0x00,0x00 }} },
802 { "NICAM, I",
803 { 9, { TDA9874A_C1FRA, 0x7D,0x00,0x00, 0x88,0x8A,0xAA, 0x08,0x33 }} },
804 { "NICAM, B/G",
805 { 9, { TDA9874A_C1FRA, 0x72,0x95,0x55, 0x79,0xEA,0xAA, 0x08,0x33 }} },
806 { "NICAM, D/K", /* default */
807 { 9, { TDA9874A_C1FRA, 0x87,0x6A,0xAA, 0x79,0xEA,0xAA, 0x08,0x33 }} },
808 { "NICAM, L",
809 { 9, { TDA9874A_C1FRA, 0x87,0x6A,0xAA, 0x79,0xEA,0xAA, 0x09,0x33 }} }
810 };
811
812 static int tda9874a_setup(struct CHIPSTATE *chip)
813 {
814 chip_write(chip, TDA9874A_AGCGR, 0x00); /* 0 dB */
815 chip_write(chip, TDA9874A_GCONR, tda9874a_GCONR);
816 chip_write(chip, TDA9874A_MSR, (tda9874a_mode) ? 0x03:0x02);
817 if(tda9874a_dic == 0x11) {
818 chip_write(chip, TDA9874A_FMMR, 0x80);
819 } else { /* dic == 0x07 */
820 chip_cmd(chip,"tda9874_modelist",&tda9874a_modelist[tda9874a_STD].cmd);
821 chip_write(chip, TDA9874A_FMMR, 0x00);
822 }
823 chip_write(chip, TDA9874A_C1OLAR, 0x00); /* 0 dB */
824 chip_write(chip, TDA9874A_C2OLAR, 0x00); /* 0 dB */
825 chip_write(chip, TDA9874A_NCONR, tda9874a_NCONR);
826 chip_write(chip, TDA9874A_NOLAR, 0x00); /* 0 dB */
827 /* Note: If signal quality is poor you may want to change NICAM */
828 /* error limit registers (NLELR and NUELR) to some greater values. */
829 /* Then the sound would remain stereo, but won't be so clear. */
830 chip_write(chip, TDA9874A_NLELR, 0x14); /* default */
831 chip_write(chip, TDA9874A_NUELR, 0x50); /* default */
832
833 if(tda9874a_dic == 0x11) {
834 chip_write(chip, TDA9874A_AMCONR, 0xf9);
835 chip_write(chip, TDA9874A_SDACOSR, (tda9874a_mode) ? 0x81:0x80);
836 chip_write(chip, TDA9874A_AOSR, 0x80);
837 chip_write(chip, TDA9874A_MDACOSR, (tda9874a_mode) ? 0x82:0x80);
838 chip_write(chip, TDA9874A_ESP, tda9874a_ESP);
839 } else { /* dic == 0x07 */
840 chip_write(chip, TDA9874A_AMCONR, 0xfb);
841 chip_write(chip, TDA9874A_SDACOSR, (tda9874a_mode) ? 0x81:0x80);
842 chip_write(chip, TDA9874A_AOSR, 0x00); /* or 0x10 */
843 }
844 v4l_dbg(1, debug, &chip->c, "tda9874a_setup(): %s [0x%02X].\n",
845 tda9874a_modelist[tda9874a_STD].name,tda9874a_STD);
846 return 1;
847 }
848
849 static int tda9874a_getmode(struct CHIPSTATE *chip)
850 {
851 int dsr,nsr,mode;
852 int necr; /* just for debugging */
853
854 mode = VIDEO_SOUND_MONO;
855
856 if(-1 == (dsr = chip_read2(chip,TDA9874A_DSR)))
857 return mode;
858 if(-1 == (nsr = chip_read2(chip,TDA9874A_NSR)))
859 return mode;
860 if(-1 == (necr = chip_read2(chip,TDA9874A_NECR)))
861 return mode;
862
863 /* need to store dsr/nsr somewhere */
864 chip->shadow.bytes[MAXREGS-2] = dsr;
865 chip->shadow.bytes[MAXREGS-1] = nsr;
866
867 if(tda9874a_mode) {
868 /* Note: DSR.RSSF and DSR.AMSTAT bits are also checked.
869 * If NICAM auto-muting is enabled, DSR.AMSTAT=1 indicates
870 * that sound has (temporarily) switched from NICAM to
871 * mono FM (or AM) on 1st sound carrier due to high NICAM bit
872 * error count. So in fact there is no stereo in this case :-(
873 * But changing the mode to VIDEO_SOUND_MONO would switch
874 * external 4052 multiplexer in audio_hook().
875 */
876 if(nsr & 0x02) /* NSR.S/MB=1 */
877 mode |= VIDEO_SOUND_STEREO;
878 if(nsr & 0x01) /* NSR.D/SB=1 */
879 mode |= VIDEO_SOUND_LANG1 | VIDEO_SOUND_LANG2;
880 } else {
881 if(dsr & 0x02) /* DSR.IDSTE=1 */
882 mode |= VIDEO_SOUND_STEREO;
883 if(dsr & 0x04) /* DSR.IDDUA=1 */
884 mode |= VIDEO_SOUND_LANG1 | VIDEO_SOUND_LANG2;
885 }
886
887 v4l_dbg(1, debug, &chip->c, "tda9874a_getmode(): DSR=0x%X, NSR=0x%X, NECR=0x%X, return: %d.\n",
888 dsr, nsr, necr, mode);
889 return mode;
890 }
891
892 static void tda9874a_setmode(struct CHIPSTATE *chip, int mode)
893 {
894 /* Disable/enable NICAM auto-muting (based on DSR.RSSF status bit). */
895 /* If auto-muting is disabled, we can hear a signal of degrading quality. */
896 if(tda9874a_mode) {
897 if(chip->shadow.bytes[MAXREGS-2] & 0x20) /* DSR.RSSF=1 */
898 tda9874a_NCONR &= 0xfe; /* enable */
899 else
900 tda9874a_NCONR |= 0x01; /* disable */
901 chip_write(chip, TDA9874A_NCONR, tda9874a_NCONR);
902 }
903
904 /* Note: TDA9874A supports automatic FM dematrixing (FMMR register)
905 * and has auto-select function for audio output (AOSR register).
906 * Old TDA9874H doesn't support these features.
907 * TDA9874A also has additional mono output pin (OUTM), which
908 * on same (all?) tv-cards is not used, anyway (as well as MONOIN).
909 */
910 if(tda9874a_dic == 0x11) {
911 int aosr = 0x80;
912 int mdacosr = (tda9874a_mode) ? 0x82:0x80;
913
914 switch(mode) {
915 case VIDEO_SOUND_MONO:
916 case VIDEO_SOUND_STEREO:
917 break;
918 case VIDEO_SOUND_LANG1:
919 aosr = 0x80; /* auto-select, dual A/A */
920 mdacosr = (tda9874a_mode) ? 0x82:0x80;
921 break;
922 case VIDEO_SOUND_LANG2:
923 aosr = 0xa0; /* auto-select, dual B/B */
924 mdacosr = (tda9874a_mode) ? 0x83:0x81;
925 break;
926 default:
927 chip->mode = 0;
928 return;
929 }
930 chip_write(chip, TDA9874A_AOSR, aosr);
931 chip_write(chip, TDA9874A_MDACOSR, mdacosr);
932
933 v4l_dbg(1, debug, &chip->c, "tda9874a_setmode(): req. mode %d; AOSR=0x%X, MDACOSR=0x%X.\n",
934 mode, aosr, mdacosr);
935
936 } else { /* dic == 0x07 */
937 int fmmr,aosr;
938
939 switch(mode) {
940 case VIDEO_SOUND_MONO:
941 fmmr = 0x00; /* mono */
942 aosr = 0x10; /* A/A */
943 break;
944 case VIDEO_SOUND_STEREO:
945 if(tda9874a_mode) {
946 fmmr = 0x00;
947 aosr = 0x00; /* handled by NICAM auto-mute */
948 } else {
949 fmmr = (tda9874a_ESP == 1) ? 0x05 : 0x04; /* stereo */
950 aosr = 0x00;
951 }
952 break;
953 case VIDEO_SOUND_LANG1:
954 fmmr = 0x02; /* dual */
955 aosr = 0x10; /* dual A/A */
956 break;
957 case VIDEO_SOUND_LANG2:
958 fmmr = 0x02; /* dual */
959 aosr = 0x20; /* dual B/B */
960 break;
961 default:
962 chip->mode = 0;
963 return;
964 }
965 chip_write(chip, TDA9874A_FMMR, fmmr);
966 chip_write(chip, TDA9874A_AOSR, aosr);
967
968 v4l_dbg(1, debug, &chip->c, "tda9874a_setmode(): req. mode %d; FMMR=0x%X, AOSR=0x%X.\n",
969 mode, fmmr, aosr);
970 }
971 }
972
973 static int tda9874a_checkit(struct CHIPSTATE *chip)
974 {
975 int dic,sic; /* device id. and software id. codes */
976
977 if(-1 == (dic = chip_read2(chip,TDA9874A_DIC)))
978 return 0;
979 if(-1 == (sic = chip_read2(chip,TDA9874A_SIC)))
980 return 0;
981
982 v4l_dbg(1, debug, &chip->c, "tda9874a_checkit(): DIC=0x%X, SIC=0x%X.\n", dic, sic);
983
984 if((dic == 0x11)||(dic == 0x07)) {
985 v4l_info(&chip->c, "found tda9874%s.\n", (dic == 0x11) ? "a":"h");
986 tda9874a_dic = dic; /* remember device id. */
987 return 1;
988 }
989 return 0; /* not found */
990 }
991
992 static int tda9874a_initialize(struct CHIPSTATE *chip)
993 {
994 if (tda9874a_SIF > 2)
995 tda9874a_SIF = 1;
996 if (tda9874a_STD > 8)
997 tda9874a_STD = 0;
998 if(tda9874a_AMSEL > 1)
999 tda9874a_AMSEL = 0;
1000
1001 if(tda9874a_SIF == 1)
1002 tda9874a_GCONR = 0xc0; /* sound IF input 1 */
1003 else
1004 tda9874a_GCONR = 0xc1; /* sound IF input 2 */
1005
1006 tda9874a_ESP = tda9874a_STD;
1007 tda9874a_mode = (tda9874a_STD < 5) ? 0 : 1;
1008
1009 if(tda9874a_AMSEL == 0)
1010 tda9874a_NCONR = 0x01; /* auto-mute: analog mono input */
1011 else
1012 tda9874a_NCONR = 0x05; /* auto-mute: 1st carrier FM or AM */
1013
1014 tda9874a_setup(chip);
1015 return 0;
1016 }
1017
1018
1019 /* ---------------------------------------------------------------------- */
1020 /* audio chip descriptions - defines+functions for tea6420 */
1021
1022 #define TEA6300_VL 0x00 /* volume left */
1023 #define TEA6300_VR 0x01 /* volume right */
1024 #define TEA6300_BA 0x02 /* bass */
1025 #define TEA6300_TR 0x03 /* treble */
1026 #define TEA6300_FA 0x04 /* fader control */
1027 #define TEA6300_S 0x05 /* switch register */
1028 /* values for those registers: */
1029 #define TEA6300_S_SA 0x01 /* stereo A input */
1030 #define TEA6300_S_SB 0x02 /* stereo B */
1031 #define TEA6300_S_SC 0x04 /* stereo C */
1032 #define TEA6300_S_GMU 0x80 /* general mute */
1033
1034 #define TEA6320_V 0x00 /* volume (0-5)/loudness off (6)/zero crossing mute(7) */
1035 #define TEA6320_FFR 0x01 /* fader front right (0-5) */
1036 #define TEA6320_FFL 0x02 /* fader front left (0-5) */
1037 #define TEA6320_FRR 0x03 /* fader rear right (0-5) */
1038 #define TEA6320_FRL 0x04 /* fader rear left (0-5) */
1039 #define TEA6320_BA 0x05 /* bass (0-4) */
1040 #define TEA6320_TR 0x06 /* treble (0-4) */
1041 #define TEA6320_S 0x07 /* switch register */
1042 /* values for those registers: */
1043 #define TEA6320_S_SA 0x07 /* stereo A input */
1044 #define TEA6320_S_SB 0x06 /* stereo B */
1045 #define TEA6320_S_SC 0x05 /* stereo C */
1046 #define TEA6320_S_SD 0x04 /* stereo D */
1047 #define TEA6320_S_GMU 0x80 /* general mute */
1048
1049 #define TEA6420_S_SA 0x00 /* stereo A input */
1050 #define TEA6420_S_SB 0x01 /* stereo B */
1051 #define TEA6420_S_SC 0x02 /* stereo C */
1052 #define TEA6420_S_SD 0x03 /* stereo D */
1053 #define TEA6420_S_SE 0x04 /* stereo E */
1054 #define TEA6420_S_GMU 0x05 /* general mute */
1055
1056 static int tea6300_shift10(int val) { return val >> 10; }
1057 static int tea6300_shift12(int val) { return val >> 12; }
1058
1059 /* Assumes 16bit input (values 0x3f to 0x0c are unique, values less than */
1060 /* 0x0c mirror those immediately higher) */
1061 static int tea6320_volume(int val) { return (val / (65535/(63-12)) + 12) & 0x3f; }
1062 static int tea6320_shift11(int val) { return val >> 11; }
1063 static int tea6320_initialize(struct CHIPSTATE * chip)
1064 {
1065 chip_write(chip, TEA6320_FFR, 0x3f);
1066 chip_write(chip, TEA6320_FFL, 0x3f);
1067 chip_write(chip, TEA6320_FRR, 0x3f);
1068 chip_write(chip, TEA6320_FRL, 0x3f);
1069
1070 return 0;
1071 }
1072
1073
1074 /* ---------------------------------------------------------------------- */
1075 /* audio chip descriptions - defines+functions for tda8425 */
1076
1077 #define TDA8425_VL 0x00 /* volume left */
1078 #define TDA8425_VR 0x01 /* volume right */
1079 #define TDA8425_BA 0x02 /* bass */
1080 #define TDA8425_TR 0x03 /* treble */
1081 #define TDA8425_S1 0x08 /* switch functions */
1082 /* values for those registers: */
1083 #define TDA8425_S1_OFF 0xEE /* audio off (mute on) */
1084 #define TDA8425_S1_CH1 0xCE /* audio channel 1 (mute off) - "linear stereo" mode */
1085 #define TDA8425_S1_CH2 0xCF /* audio channel 2 (mute off) - "linear stereo" mode */
1086 #define TDA8425_S1_MU 0x20 /* mute bit */
1087 #define TDA8425_S1_STEREO 0x18 /* stereo bits */
1088 #define TDA8425_S1_STEREO_SPATIAL 0x18 /* spatial stereo */
1089 #define TDA8425_S1_STEREO_LINEAR 0x08 /* linear stereo */
1090 #define TDA8425_S1_STEREO_PSEUDO 0x10 /* pseudo stereo */
1091 #define TDA8425_S1_STEREO_MONO 0x00 /* forced mono */
1092 #define TDA8425_S1_ML 0x06 /* language selector */
1093 #define TDA8425_S1_ML_SOUND_A 0x02 /* sound a */
1094 #define TDA8425_S1_ML_SOUND_B 0x04 /* sound b */
1095 #define TDA8425_S1_ML_STEREO 0x06 /* stereo */
1096 #define TDA8425_S1_IS 0x01 /* channel selector */
1097
1098
1099 static int tda8425_shift10(int val) { return (val >> 10) | 0xc0; }
1100 static int tda8425_shift12(int val) { return (val >> 12) | 0xf0; }
1101
1102 static int tda8425_initialize(struct CHIPSTATE *chip)
1103 {
1104 struct CHIPDESC *desc = chiplist + chip->type;
1105 int inputmap[4] = { /* tuner */ TDA8425_S1_CH2, /* radio */ TDA8425_S1_CH1,
1106 /* extern */ TDA8425_S1_CH1, /* intern */ TDA8425_S1_OFF};
1107
1108 if (chip->c.adapter->id == I2C_HW_B_RIVA) {
1109 memcpy (desc->inputmap, inputmap, sizeof (inputmap));
1110 }
1111 return 0;
1112 }
1113
1114 static void tda8425_setmode(struct CHIPSTATE *chip, int mode)
1115 {
1116 int s1 = chip->shadow.bytes[TDA8425_S1+1] & 0xe1;
1117
1118 if (mode & VIDEO_SOUND_LANG1) {
1119 s1 |= TDA8425_S1_ML_SOUND_A;
1120 s1 |= TDA8425_S1_STEREO_PSEUDO;
1121
1122 } else if (mode & VIDEO_SOUND_LANG2) {
1123 s1 |= TDA8425_S1_ML_SOUND_B;
1124 s1 |= TDA8425_S1_STEREO_PSEUDO;
1125
1126 } else {
1127 s1 |= TDA8425_S1_ML_STEREO;
1128
1129 if (mode & VIDEO_SOUND_MONO)
1130 s1 |= TDA8425_S1_STEREO_MONO;
1131 if (mode & VIDEO_SOUND_STEREO)
1132 s1 |= TDA8425_S1_STEREO_SPATIAL;
1133 }
1134 chip_write(chip,TDA8425_S1,s1);
1135 }
1136
1137
1138 /* ---------------------------------------------------------------------- */
1139 /* audio chip descriptions - defines+functions for pic16c54 (PV951) */
1140
1141 /* the registers of 16C54, I2C sub address. */
1142 #define PIC16C54_REG_KEY_CODE 0x01 /* Not use. */
1143 #define PIC16C54_REG_MISC 0x02
1144
1145 /* bit definition of the RESET register, I2C data. */
1146 #define PIC16C54_MISC_RESET_REMOTE_CTL 0x01 /* bit 0, Reset to receive the key */
1147 /* code of remote controller */
1148 #define PIC16C54_MISC_MTS_MAIN 0x02 /* bit 1 */
1149 #define PIC16C54_MISC_MTS_SAP 0x04 /* bit 2 */
1150 #define PIC16C54_MISC_MTS_BOTH 0x08 /* bit 3 */
1151 #define PIC16C54_MISC_SND_MUTE 0x10 /* bit 4, Mute Audio(Line-in and Tuner) */
1152 #define PIC16C54_MISC_SND_NOTMUTE 0x20 /* bit 5 */
1153 #define PIC16C54_MISC_SWITCH_TUNER 0x40 /* bit 6 , Switch to Line-in */
1154 #define PIC16C54_MISC_SWITCH_LINE 0x80 /* bit 7 , Switch to Tuner */
1155
1156 /* ---------------------------------------------------------------------- */
1157 /* audio chip descriptions - defines+functions for TA8874Z */
1158
1159 /* write 1st byte */
1160 #define TA8874Z_LED_STE 0x80
1161 #define TA8874Z_LED_BIL 0x40
1162 #define TA8874Z_LED_EXT 0x20
1163 #define TA8874Z_MONO_SET 0x10
1164 #define TA8874Z_MUTE 0x08
1165 #define TA8874Z_F_MONO 0x04
1166 #define TA8874Z_MODE_SUB 0x02
1167 #define TA8874Z_MODE_MAIN 0x01
1168
1169 /* write 2nd byte */
1170 /*#define TA8874Z_TI 0x80 */ /* test mode */
1171 #define TA8874Z_SEPARATION 0x3f
1172 #define TA8874Z_SEPARATION_DEFAULT 0x10
1173
1174 /* read */
1175 #define TA8874Z_B1 0x80
1176 #define TA8874Z_B0 0x40
1177 #define TA8874Z_CHAG_FLAG 0x20
1178
1179 /*
1180 * B1 B0
1181 * mono L H
1182 * stereo L L
1183 * BIL H L
1184 */
1185 static int ta8874z_getmode(struct CHIPSTATE *chip)
1186 {
1187 int val, mode;
1188
1189 val = chip_read(chip);
1190 mode = VIDEO_SOUND_MONO;
1191 if (val & TA8874Z_B1){
1192 mode |= VIDEO_SOUND_LANG1 | VIDEO_SOUND_LANG2;
1193 }else if (!(val & TA8874Z_B0)){
1194 mode |= VIDEO_SOUND_STEREO;
1195 }
1196 /* v4l_dbg(1, debug, &chip->c, "ta8874z_getmode(): raw chip read: 0x%02x, return: 0x%02x\n", val, mode); */
1197 return mode;
1198 }
1199
1200 static audiocmd ta8874z_stereo = { 2, {0, TA8874Z_SEPARATION_DEFAULT}};
1201 static audiocmd ta8874z_mono = {2, { TA8874Z_MONO_SET, TA8874Z_SEPARATION_DEFAULT}};
1202 static audiocmd ta8874z_main = {2, { 0, TA8874Z_SEPARATION_DEFAULT}};
1203 static audiocmd ta8874z_sub = {2, { TA8874Z_MODE_SUB, TA8874Z_SEPARATION_DEFAULT}};
1204
1205 static void ta8874z_setmode(struct CHIPSTATE *chip, int mode)
1206 {
1207 int update = 1;
1208 audiocmd *t = NULL;
1209 v4l_dbg(1, debug, &chip->c, "ta8874z_setmode(): mode: 0x%02x\n", mode);
1210
1211 switch(mode){
1212 case VIDEO_SOUND_MONO:
1213 t = &ta8874z_mono;
1214 break;
1215 case VIDEO_SOUND_STEREO:
1216 t = &ta8874z_stereo;
1217 break;
1218 case VIDEO_SOUND_LANG1:
1219 t = &ta8874z_main;
1220 break;
1221 case VIDEO_SOUND_LANG2:
1222 t = &ta8874z_sub;
1223 break;
1224 default:
1225 update = 0;
1226 }
1227
1228 if(update)
1229 chip_cmd(chip, "TA8874Z", t);
1230 }
1231
1232 static int ta8874z_checkit(struct CHIPSTATE *chip)
1233 {
1234 int rc;
1235 rc = chip_read(chip);
1236 return ((rc & 0x1f) == 0x1f) ? 1 : 0;
1237 }
1238
1239 /* ---------------------------------------------------------------------- */
1240 /* audio chip descriptions - struct CHIPDESC */
1241
1242 /* insmod options to enable/disable individual audio chips */
1243 static int tda8425 = 1;
1244 static int tda9840 = 1;
1245 static int tda9850 = 1;
1246 static int tda9855 = 1;
1247 static int tda9873 = 1;
1248 static int tda9874a = 1;
1249 static int tea6300 = 0; /* address clash with msp34xx */
1250 static int tea6320 = 0; /* address clash with msp34xx */
1251 static int tea6420 = 1;
1252 static int pic16c54 = 1;
1253 static int ta8874z = 0; /* address clash with tda9840 */
1254
1255 module_param(tda8425, int, 0444);
1256 module_param(tda9840, int, 0444);
1257 module_param(tda9850, int, 0444);
1258 module_param(tda9855, int, 0444);
1259 module_param(tda9873, int, 0444);
1260 module_param(tda9874a, int, 0444);
1261 module_param(tea6300, int, 0444);
1262 module_param(tea6320, int, 0444);
1263 module_param(tea6420, int, 0444);
1264 module_param(pic16c54, int, 0444);
1265 module_param(ta8874z, int, 0444);
1266
1267 static struct CHIPDESC chiplist[] = {
1268 {
1269 .name = "tda9840",
1270 .id = I2C_DRIVERID_TDA9840,
1271 .insmodopt = &tda9840,
1272 .addr_lo = I2C_ADDR_TDA9840 >> 1,
1273 .addr_hi = I2C_ADDR_TDA9840 >> 1,
1274 .registers = 5,
1275
1276 .checkit = tda9840_checkit,
1277 .getmode = tda9840_getmode,
1278 .setmode = tda9840_setmode,
1279 .checkmode = generic_checkmode,
1280
1281 .init = { 2, { TDA9840_TEST, TDA9840_TEST_INT1SN
1282 /* ,TDA9840_SW, TDA9840_MONO */} }
1283 },
1284 {
1285 .name = "tda9873h",
1286 .id = I2C_DRIVERID_TDA9873,
1287 .checkit = tda9873_checkit,
1288 .insmodopt = &tda9873,
1289 .addr_lo = I2C_ADDR_TDA985x_L >> 1,
1290 .addr_hi = I2C_ADDR_TDA985x_H >> 1,
1291 .registers = 3,
1292 .flags = CHIP_HAS_INPUTSEL,
1293
1294 .getmode = tda9873_getmode,
1295 .setmode = tda9873_setmode,
1296 .checkmode = generic_checkmode,
1297
1298 .init = { 4, { TDA9873_SW, 0xa4, 0x06, 0x03 } },
1299 .inputreg = TDA9873_SW,
1300 .inputmute = TDA9873_MUTE | TDA9873_AUTOMUTE,
1301 .inputmap = {0xa0, 0xa2, 0xa0, 0xa0},
1302 .inputmask = TDA9873_INP_MASK|TDA9873_MUTE|TDA9873_AUTOMUTE,
1303
1304 },
1305 {
1306 .name = "tda9874h/a",
1307 .id = I2C_DRIVERID_TDA9874,
1308 .checkit = tda9874a_checkit,
1309 .initialize = tda9874a_initialize,
1310 .insmodopt = &tda9874a,
1311 .addr_lo = I2C_ADDR_TDA9874 >> 1,
1312 .addr_hi = I2C_ADDR_TDA9874 >> 1,
1313
1314 .getmode = tda9874a_getmode,
1315 .setmode = tda9874a_setmode,
1316 .checkmode = generic_checkmode,
1317 },
1318 {
1319 .name = "tda9850",
1320 .id = I2C_DRIVERID_TDA9850,
1321 .insmodopt = &tda9850,
1322 .addr_lo = I2C_ADDR_TDA985x_L >> 1,
1323 .addr_hi = I2C_ADDR_TDA985x_H >> 1,
1324 .registers = 11,
1325
1326 .getmode = tda985x_getmode,
1327 .setmode = tda985x_setmode,
1328
1329 .init = { 8, { TDA9850_C4, 0x08, 0x08, TDA985x_STEREO, 0x07, 0x10, 0x10, 0x03 } }
1330 },
1331 {
1332 .name = "tda9855",
1333 .id = I2C_DRIVERID_TDA9855,
1334 .insmodopt = &tda9855,
1335 .addr_lo = I2C_ADDR_TDA985x_L >> 1,
1336 .addr_hi = I2C_ADDR_TDA985x_H >> 1,
1337 .registers = 11,
1338 .flags = CHIP_HAS_VOLUME | CHIP_HAS_BASSTREBLE,
1339
1340 .leftreg = TDA9855_VL,
1341 .rightreg = TDA9855_VR,
1342 .bassreg = TDA9855_BA,
1343 .treblereg = TDA9855_TR,
1344 .volfunc = tda9855_volume,
1345 .bassfunc = tda9855_bass,
1346 .treblefunc = tda9855_treble,
1347
1348 .getmode = tda985x_getmode,
1349 .setmode = tda985x_setmode,
1350
1351 .init = { 12, { 0, 0x6f, 0x6f, 0x0e, 0x07<<1, 0x8<<2,
1352 TDA9855_MUTE | TDA9855_AVL | TDA9855_LOUD | TDA9855_INT,
1353 TDA985x_STEREO | TDA9855_LINEAR | TDA9855_TZCM | TDA9855_VZCM,
1354 0x07, 0x10, 0x10, 0x03 }}
1355 },
1356 {
1357 .name = "tea6300",
1358 .id = I2C_DRIVERID_TEA6300,
1359 .insmodopt = &tea6300,
1360 .addr_lo = I2C_ADDR_TEA6300 >> 1,
1361 .addr_hi = I2C_ADDR_TEA6300 >> 1,
1362 .registers = 6,
1363 .flags = CHIP_HAS_VOLUME | CHIP_HAS_BASSTREBLE | CHIP_HAS_INPUTSEL,
1364
1365 .leftreg = TEA6300_VR,
1366 .rightreg = TEA6300_VL,
1367 .bassreg = TEA6300_BA,
1368 .treblereg = TEA6300_TR,
1369 .volfunc = tea6300_shift10,
1370 .bassfunc = tea6300_shift12,
1371 .treblefunc = tea6300_shift12,
1372
1373 .inputreg = TEA6300_S,
1374 .inputmap = { TEA6300_S_SA, TEA6300_S_SB, TEA6300_S_SC },
1375 .inputmute = TEA6300_S_GMU,
1376 },
1377 {
1378 .name = "tea6320",
1379 .id = I2C_DRIVERID_TEA6300,
1380 .initialize = tea6320_initialize,
1381 .insmodopt = &tea6320,
1382 .addr_lo = I2C_ADDR_TEA6300 >> 1,
1383 .addr_hi = I2C_ADDR_TEA6300 >> 1,
1384 .registers = 8,
1385 .flags = CHIP_HAS_VOLUME | CHIP_HAS_BASSTREBLE | CHIP_HAS_INPUTSEL,
1386
1387 .leftreg = TEA6320_V,
1388 .rightreg = TEA6320_V,
1389 .bassreg = TEA6320_BA,
1390 .treblereg = TEA6320_TR,
1391 .volfunc = tea6320_volume,
1392 .bassfunc = tea6320_shift11,
1393 .treblefunc = tea6320_shift11,
1394
1395 .inputreg = TEA6320_S,
1396 .inputmap = { TEA6320_S_SA, TEA6420_S_SB, TEA6300_S_SC, TEA6320_S_SD },
1397 .inputmute = TEA6300_S_GMU,
1398 },
1399 {
1400 .name = "tea6420",
1401 .id = I2C_DRIVERID_TEA6420,
1402 .insmodopt = &tea6420,
1403 .addr_lo = I2C_ADDR_TEA6420 >> 1,
1404 .addr_hi = I2C_ADDR_TEA6420 >> 1,
1405 .registers = 1,
1406 .flags = CHIP_HAS_INPUTSEL,
1407
1408 .inputreg = -1,
1409 .inputmap = { TEA6420_S_SA, TEA6420_S_SB, TEA6420_S_SC },
1410 .inputmute = TEA6300_S_GMU,
1411 },
1412 {
1413 .name = "tda8425",
1414 .id = I2C_DRIVERID_TDA8425,
1415 .insmodopt = &tda8425,
1416 .addr_lo = I2C_ADDR_TDA8425 >> 1,
1417 .addr_hi = I2C_ADDR_TDA8425 >> 1,
1418 .registers = 9,
1419 .flags = CHIP_HAS_VOLUME | CHIP_HAS_BASSTREBLE | CHIP_HAS_INPUTSEL,
1420
1421 .leftreg = TDA8425_VL,
1422 .rightreg = TDA8425_VR,
1423 .bassreg = TDA8425_BA,
1424 .treblereg = TDA8425_TR,
1425 .volfunc = tda8425_shift10,
1426 .bassfunc = tda8425_shift12,
1427 .treblefunc = tda8425_shift12,
1428
1429 .inputreg = TDA8425_S1,
1430 .inputmap = { TDA8425_S1_CH1, TDA8425_S1_CH1, TDA8425_S1_CH1 },
1431 .inputmute = TDA8425_S1_OFF,
1432
1433 .setmode = tda8425_setmode,
1434 .initialize = tda8425_initialize,
1435 },
1436 {
1437 .name = "pic16c54 (PV951)",
1438 .id = I2C_DRIVERID_PIC16C54_PV9,
1439 .insmodopt = &pic16c54,
1440 .addr_lo = I2C_ADDR_PIC16C54 >> 1,
1441 .addr_hi = I2C_ADDR_PIC16C54>> 1,
1442 .registers = 2,
1443 .flags = CHIP_HAS_INPUTSEL,
1444
1445 .inputreg = PIC16C54_REG_MISC,
1446 .inputmap = {PIC16C54_MISC_SND_NOTMUTE|PIC16C54_MISC_SWITCH_TUNER,
1447 PIC16C54_MISC_SND_NOTMUTE|PIC16C54_MISC_SWITCH_LINE,
1448 PIC16C54_MISC_SND_NOTMUTE|PIC16C54_MISC_SWITCH_LINE,
1449 PIC16C54_MISC_SND_MUTE},
1450 .inputmute = PIC16C54_MISC_SND_MUTE,
1451 },
1452 {
1453 .name = "ta8874z",
1454 .id = -1,
1455 /*.id = I2C_DRIVERID_TA8874Z, */
1456 .checkit = ta8874z_checkit,
1457 .insmodopt = &ta8874z,
1458 .addr_lo = I2C_ADDR_TDA9840 >> 1,
1459 .addr_hi = I2C_ADDR_TDA9840 >> 1,
1460 .registers = 2,
1461
1462 .getmode = ta8874z_getmode,
1463 .setmode = ta8874z_setmode,
1464 .checkmode = generic_checkmode,
1465
1466 .init = {2, { TA8874Z_MONO_SET, TA8874Z_SEPARATION_DEFAULT}},
1467 },
1468 { .name = NULL } /* EOF */
1469 };
1470
1471
1472 /* ---------------------------------------------------------------------- */
1473 /* i2c registration */
1474
1475 static int chip_attach(struct i2c_adapter *adap, int addr, int kind)
1476 {
1477 struct CHIPSTATE *chip;
1478 struct CHIPDESC *desc;
1479
1480 chip = kzalloc(sizeof(*chip),GFP_KERNEL);
1481 if (!chip)
1482 return -ENOMEM;
1483 memcpy(&chip->c,&client_template,sizeof(struct i2c_client));
1484 chip->c.adapter = adap;
1485 chip->c.addr = addr;
1486 i2c_set_clientdata(&chip->c, chip);
1487
1488 /* find description for the chip */
1489 v4l_dbg(1, debug, &chip->c, "chip found @ 0x%x\n", addr<<1);
1490 for (desc = chiplist; desc->name != NULL; desc++) {
1491 if (0 == *(desc->insmodopt))
1492 continue;
1493 if (addr < desc->addr_lo ||
1494 addr > desc->addr_hi)
1495 continue;
1496 if (desc->checkit && !desc->checkit(chip))
1497 continue;
1498 break;
1499 }
1500 if (desc->name == NULL) {
1501 v4l_dbg(1, debug, &chip->c, "no matching chip description found\n");
1502 return -EIO;
1503 }
1504 v4l_info(&chip->c, "%s found @ 0x%x (%s)\n", desc->name, addr<<1, adap->name);
1505 if (desc->flags) {
1506 v4l_dbg(1, debug, &chip->c, "matches:%s%s%s.\n",
1507 (desc->flags & CHIP_HAS_VOLUME) ? " volume" : "",
1508 (desc->flags & CHIP_HAS_BASSTREBLE) ? " bass/treble" : "",
1509 (desc->flags & CHIP_HAS_INPUTSEL) ? " audiomux" : "");
1510 }
1511
1512 /* fill required data structures */
1513 strcpy(chip->c.name, desc->name);
1514 chip->type = desc-chiplist;
1515 chip->shadow.count = desc->registers+1;
1516 chip->prevmode = -1;
1517 chip->audmode = V4L2_TUNER_MODE_LANG1;
1518 /* register */
1519 i2c_attach_client(&chip->c);
1520
1521 /* initialization */
1522 if (desc->initialize != NULL)
1523 desc->initialize(chip);
1524 else
1525 chip_cmd(chip,"init",&desc->init);
1526
1527 if (desc->flags & CHIP_HAS_VOLUME) {
1528 chip->left = desc->leftinit ? desc->leftinit : 65535;
1529 chip->right = desc->rightinit ? desc->rightinit : 65535;
1530 chip_write(chip,desc->leftreg,desc->volfunc(chip->left));
1531 chip_write(chip,desc->rightreg,desc->volfunc(chip->right));
1532 }
1533 if (desc->flags & CHIP_HAS_BASSTREBLE) {
1534 chip->treble = desc->trebleinit ? desc->trebleinit : 32768;
1535 chip->bass = desc->bassinit ? desc->bassinit : 32768;
1536 chip_write(chip,desc->bassreg,desc->bassfunc(chip->bass));
1537 chip_write(chip,desc->treblereg,desc->treblefunc(chip->treble));
1538 }
1539
1540 chip->tpid = -1;
1541 if (desc->checkmode) {
1542 /* start async thread */
1543 init_timer(&chip->wt);
1544 chip->wt.function = chip_thread_wake;
1545 chip->wt.data = (unsigned long)chip;
1546 init_waitqueue_head(&chip->wq);
1547 init_completion(&chip->texit);
1548 chip->tpid = kernel_thread(chip_thread,(void *)chip,0);
1549 if (chip->tpid < 0)
1550 v4l_warn(&chip->c, "%s: kernel_thread() failed\n",
1551 chip->c.name);
1552 wake_up_interruptible(&chip->wq);
1553 }
1554 return 0;
1555 }
1556
1557 static int chip_probe(struct i2c_adapter *adap)
1558 {
1559 /* don't attach on saa7146 based cards,
1560 because dedicated drivers are used */
1561 if ((adap->id == I2C_HW_SAA7146))
1562 return 0;
1563 if (adap->class & I2C_CLASS_TV_ANALOG)
1564 return i2c_probe(adap, &addr_data, chip_attach);
1565 return 0;
1566 }
1567
1568 static int chip_detach(struct i2c_client *client)
1569 {
1570 struct CHIPSTATE *chip = i2c_get_clientdata(client);
1571
1572 del_timer_sync(&chip->wt);
1573 if (chip->tpid >= 0) {
1574 /* shutdown async thread */
1575 chip->done = 1;
1576 wake_up_interruptible(&chip->wq);
1577 wait_for_completion(&chip->texit);
1578 }
1579
1580 i2c_detach_client(&chip->c);
1581 kfree(chip);
1582 return 0;
1583 }
1584
1585 static int tvaudio_set_ctrl(struct CHIPSTATE *chip, struct v4l2_control *ctrl)
1586 {
1587 struct CHIPDESC *desc = chiplist + chip->type;
1588
1589 switch (ctrl->id) {
1590 case V4L2_CID_AUDIO_MUTE:
1591 if (ctrl->value < 0 || ctrl->value >= 2)
1592 return -ERANGE;
1593 chip->muted = ctrl->value;
1594 if (chip->muted)
1595 chip_write_masked(chip,desc->inputreg,desc->inputmute,desc->inputmask);
1596 else
1597 chip_write_masked(chip,desc->inputreg,
1598 desc->inputmap[chip->input],desc->inputmask);
1599 break;
1600 default:
1601 return -EINVAL;
1602 }
1603 return 0;
1604 }
1605
1606
1607 /* ---------------------------------------------------------------------- */
1608 /* video4linux interface */
1609
1610 static int chip_command(struct i2c_client *client,
1611 unsigned int cmd, void *arg)
1612 {
1613 struct CHIPSTATE *chip = i2c_get_clientdata(client);
1614 struct CHIPDESC *desc = chiplist + chip->type;
1615
1616 v4l_dbg(1, debug, &chip->c, "%s: chip_command 0x%x\n", chip->c.name, cmd);
1617
1618 switch (cmd) {
1619 case AUDC_SET_RADIO:
1620 chip->radio = 1;
1621 chip->watch_stereo = 0;
1622 /* del_timer(&chip->wt); */
1623 break;
1624
1625 /* --- v4l ioctls --- */
1626 /* take care: bttv does userspace copying, we'll get a
1627 kernel pointer here... */
1628 case VIDIOCGAUDIO:
1629 {
1630 struct video_audio *va = arg;
1631
1632 if (desc->flags & CHIP_HAS_VOLUME) {
1633 va->flags |= VIDEO_AUDIO_VOLUME;
1634 va->volume = max(chip->left,chip->right);
1635 if (va->volume)
1636 va->balance = (32768*min(chip->left,chip->right))/
1637 va->volume;
1638 else
1639 va->balance = 32768;
1640 }
1641 if (desc->flags & CHIP_HAS_BASSTREBLE) {
1642 va->flags |= VIDEO_AUDIO_BASS | VIDEO_AUDIO_TREBLE;
1643 va->bass = chip->bass;
1644 va->treble = chip->treble;
1645 }
1646 if (!chip->radio) {
1647 if (desc->getmode)
1648 va->mode = desc->getmode(chip);
1649 else
1650 va->mode = VIDEO_SOUND_MONO;
1651 }
1652 break;
1653 }
1654
1655 case VIDIOCSAUDIO:
1656 {
1657 struct video_audio *va = arg;
1658
1659 if (desc->flags & CHIP_HAS_VOLUME) {
1660 chip->left = (min(65536 - va->balance,32768) *
1661 va->volume) / 32768;
1662 chip->right = (min(va->balance,(__u16)32768) *
1663 va->volume) / 32768;
1664 chip_write(chip,desc->leftreg,desc->volfunc(chip->left));
1665 chip_write(chip,desc->rightreg,desc->volfunc(chip->right));
1666 }
1667 if (desc->flags & CHIP_HAS_BASSTREBLE) {
1668 chip->bass = va->bass;
1669 chip->treble = va->treble;
1670 chip_write(chip,desc->bassreg,desc->bassfunc(chip->bass));
1671 chip_write(chip,desc->treblereg,desc->treblefunc(chip->treble));
1672 }
1673 if (desc->setmode && va->mode) {
1674 chip->watch_stereo = 0;
1675 /* del_timer(&chip->wt); */
1676 chip->mode = va->mode;
1677 desc->setmode(chip,va->mode);
1678 }
1679 break;
1680 }
1681
1682 case VIDIOC_S_CTRL:
1683 return tvaudio_set_ctrl(chip, arg);
1684
1685 case VIDIOC_INT_G_AUDIO_ROUTING:
1686 {
1687 struct v4l2_routing *rt = arg;
1688
1689 rt->input = chip->input;
1690 rt->output = 0;
1691 break;
1692 }
1693
1694 case VIDIOC_INT_S_AUDIO_ROUTING:
1695 {
1696 struct v4l2_routing *rt = arg;
1697
1698 if (!(desc->flags & CHIP_HAS_INPUTSEL) || rt->input >= 4)
1699 return -EINVAL;
1700 /* There are four inputs: tuner, radio, extern and intern. */
1701 chip->input = rt->input;
1702 if (chip->muted)
1703 break;
1704 chip_write_masked(chip, desc->inputreg,
1705 desc->inputmap[chip->input], desc->inputmask);
1706 break;
1707 }
1708
1709 case VIDIOC_S_TUNER:
1710 {
1711 struct v4l2_tuner *vt = arg;
1712 int mode = 0;
1713
1714 if (chip->radio)
1715 break;
1716 switch (vt->audmode) {
1717 case V4L2_TUNER_MODE_MONO:
1718 mode = VIDEO_SOUND_MONO;
1719 break;
1720 case V4L2_TUNER_MODE_STEREO:
1721 case V4L2_TUNER_MODE_LANG1_LANG2:
1722 mode = VIDEO_SOUND_STEREO;
1723 break;
1724 case V4L2_TUNER_MODE_LANG1:
1725 mode = VIDEO_SOUND_LANG1;
1726 break;
1727 case V4L2_TUNER_MODE_LANG2:
1728 mode = VIDEO_SOUND_LANG2;
1729 break;
1730 default:
1731 return -EINVAL;
1732 }
1733 chip->audmode = vt->audmode;
1734
1735 if (desc->setmode && mode) {
1736 chip->watch_stereo = 0;
1737 /* del_timer(&chip->wt); */
1738 chip->mode = mode;
1739 desc->setmode(chip, mode);
1740 }
1741 break;
1742 }
1743
1744 case VIDIOC_G_TUNER:
1745 {
1746 struct v4l2_tuner *vt = arg;
1747 int mode = VIDEO_SOUND_MONO;
1748
1749 if (chip->radio)
1750 break;
1751 vt->audmode = chip->audmode;
1752 vt->rxsubchans = 0;
1753 vt->capability = V4L2_TUNER_CAP_STEREO |
1754 V4L2_TUNER_CAP_LANG1 | V4L2_TUNER_CAP_LANG2;
1755
1756 if (desc->getmode)
1757 mode = desc->getmode(chip);
1758
1759 if (mode & VIDEO_SOUND_MONO)
1760 vt->rxsubchans |= V4L2_TUNER_SUB_MONO;
1761 if (mode & VIDEO_SOUND_STEREO)
1762 vt->rxsubchans |= V4L2_TUNER_SUB_STEREO;
1763 /* Note: for SAP it should be mono/lang2 or stereo/lang2.
1764 When this module is converted fully to v4l2, then this
1765 should change for those chips that can detect SAP. */
1766 if (mode & VIDEO_SOUND_LANG1)
1767 vt->rxsubchans = V4L2_TUNER_SUB_LANG1 |
1768 V4L2_TUNER_SUB_LANG2;
1769 break;
1770 }
1771
1772 case VIDIOCSCHAN:
1773 case VIDIOC_S_STD:
1774 chip->radio = 0;
1775 break;
1776
1777 case VIDIOCSFREQ:
1778 case VIDIOC_S_FREQUENCY:
1779 chip->mode = 0; /* automatic */
1780 if (desc->checkmode) {
1781 desc->setmode(chip,VIDEO_SOUND_MONO);
1782 if (chip->prevmode != VIDEO_SOUND_MONO)
1783 chip->prevmode = -1; /* reset previous mode */
1784 mod_timer(&chip->wt, jiffies+2*HZ);
1785 /* the thread will call checkmode() later */
1786 }
1787 break;
1788 }
1789 return 0;
1790 }
1791
1792 static struct i2c_driver driver = {
1793 .driver = {
1794 .name = "tvaudio",
1795 },
1796 .id = I2C_DRIVERID_TVAUDIO,
1797 .attach_adapter = chip_probe,
1798 .detach_client = chip_detach,
1799 .command = chip_command,
1800 };
1801
1802 static struct i2c_client client_template =
1803 {
1804 .name = "(unset)",
1805 .driver = &driver,
1806 };
1807
1808 static int __init audiochip_init_module(void)
1809 {
1810 struct CHIPDESC *desc;
1811
1812 if (debug) {
1813 printk(KERN_INFO "tvaudio: TV audio decoder + audio/video mux driver\n");
1814 printk(KERN_INFO "tvaudio: known chips: ");
1815 for (desc = chiplist; desc->name != NULL; desc++)
1816 printk("%s%s", (desc == chiplist) ? "" : ", ", desc->name);
1817 printk("\n");
1818 }
1819
1820 return i2c_add_driver(&driver);
1821 }
1822
1823 static void __exit audiochip_cleanup_module(void)
1824 {
1825 i2c_del_driver(&driver);
1826 }
1827
1828 module_init(audiochip_init_module);
1829 module_exit(audiochip_cleanup_module);
1830
1831 /*
1832 * Local variables:
1833 * c-basic-offset: 8
1834 * End:
1835 */
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