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Merge branch 'merge' of git://git.kernel.org/pub/scm/linux/kernel/git/paulus/powerpc
[wrt350n-kernel.git] / drivers / media / video / tvaudio.c
blob01ebcec040c4cee12cccb605085c1c3134ef3bfd
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/module.h>
18 #include <linux/kernel.h>
19 #include <linux/sched.h>
20 #include <linux/string.h>
21 #include <linux/timer.h>
22 #include <linux/delay.h>
23 #include <linux/errno.h>
24 #include <linux/slab.h>
25 #include <linux/videodev.h>
26 #include <linux/i2c.h>
27 #include <linux/init.h>
28 #include <linux/kthread.h>
29 #include <linux/freezer.h>
30
31 #include <media/tvaudio.h>
32 #include <media/v4l2-common.h>
33 #include <media/v4l2-chip-ident.h>
34 #include <media/v4l2-i2c-drv-legacy.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 struct task_struct *thread;
129 struct timer_list wt;
130 int watch_stereo;
131 int audmode;
132 };
133
134 /* ---------------------------------------------------------------------- */
135 /* i2c addresses */
136
137 static unsigned short normal_i2c[] = {
138 I2C_ADDR_TDA8425 >> 1,
139 I2C_ADDR_TEA6300 >> 1,
140 I2C_ADDR_TEA6420 >> 1,
141 I2C_ADDR_TDA9840 >> 1,
142 I2C_ADDR_TDA985x_L >> 1,
143 I2C_ADDR_TDA985x_H >> 1,
144 I2C_ADDR_TDA9874 >> 1,
145 I2C_ADDR_PIC16C54 >> 1,
146 I2C_CLIENT_END };
147 I2C_CLIENT_INSMOD;
148
149 /* ---------------------------------------------------------------------- */
150 /* i2c I/O functions */
151
152 static int chip_write(struct CHIPSTATE *chip, int subaddr, int val)
153 {
154 unsigned char buffer[2];
155
156 if (-1 == subaddr) {
157 v4l_dbg(1, debug, chip->c, "%s: chip_write: 0x%x\n",
158 chip->c->name, val);
159 chip->shadow.bytes[1] = val;
160 buffer[0] = val;
161 if (1 != i2c_master_send(chip->c,buffer,1)) {
162 v4l_warn(chip->c, "%s: I/O error (write 0x%x)\n",
163 chip->c->name, val);
164 return -1;
165 }
166 } else {
167 v4l_dbg(1, debug, chip->c, "%s: chip_write: reg%d=0x%x\n",
168 chip->c->name, subaddr, val);
169 chip->shadow.bytes[subaddr+1] = val;
170 buffer[0] = subaddr;
171 buffer[1] = val;
172 if (2 != i2c_master_send(chip->c,buffer,2)) {
173 v4l_warn(chip->c, "%s: I/O error (write reg%d=0x%x)\n",
174 chip->c->name, subaddr, val);
175 return -1;
176 }
177 }
178 return 0;
179 }
180
181 static int chip_write_masked(struct CHIPSTATE *chip, int subaddr, int val, int mask)
182 {
183 if (mask != 0) {
184 if (-1 == subaddr) {
185 val = (chip->shadow.bytes[1] & ~mask) | (val & mask);
186 } else {
187 val = (chip->shadow.bytes[subaddr+1] & ~mask) | (val & mask);
188 }
189 }
190 return chip_write(chip, subaddr, val);
191 }
192
193 static int chip_read(struct CHIPSTATE *chip)
194 {
195 unsigned char buffer;
196
197 if (1 != i2c_master_recv(chip->c,&buffer,1)) {
198 v4l_warn(chip->c, "%s: I/O error (read)\n",
199 chip->c->name);
200 return -1;
201 }
202 v4l_dbg(1, debug, chip->c, "%s: chip_read: 0x%x\n",chip->c->name, buffer);
203 return buffer;
204 }
205
206 static int chip_read2(struct CHIPSTATE *chip, int subaddr)
207 {
208 unsigned char write[1];
209 unsigned char read[1];
210 struct i2c_msg msgs[2] = {
211 { chip->c->addr, 0, 1, write },
212 { chip->c->addr, I2C_M_RD, 1, read }
213 };
214 write[0] = subaddr;
215
216 if (2 != i2c_transfer(chip->c->adapter,msgs,2)) {
217 v4l_warn(chip->c, "%s: I/O error (read2)\n", chip->c->name);
218 return -1;
219 }
220 v4l_dbg(1, debug, chip->c, "%s: chip_read2: reg%d=0x%x\n",
221 chip->c->name, subaddr,read[0]);
222 return read[0];
223 }
224
225 static int chip_cmd(struct CHIPSTATE *chip, char *name, audiocmd *cmd)
226 {
227 int i;
228
229 if (0 == cmd->count)
230 return 0;
231
232 /* update our shadow register set; print bytes if (debug > 0) */
233 v4l_dbg(1, debug, chip->c, "%s: chip_cmd(%s): reg=%d, data:",
234 chip->c->name, name,cmd->bytes[0]);
235 for (i = 1; i < cmd->count; i++) {
236 if (debug)
237 printk(" 0x%x",cmd->bytes[i]);
238 chip->shadow.bytes[i+cmd->bytes[0]] = cmd->bytes[i];
239 }
240 if (debug)
241 printk("\n");
242
243 /* send data to the chip */
244 if (cmd->count != i2c_master_send(chip->c,cmd->bytes,cmd->count)) {
245 v4l_warn(chip->c, "%s: I/O error (%s)\n", chip->c->name, name);
246 return -1;
247 }
248 return 0;
249 }
250
251 /* ---------------------------------------------------------------------- */
252 /* kernel thread for doing i2c stuff asyncronly
253 * right now it is used only to check the audio mode (mono/stereo/whatever)
254 * some time after switching to another TV channel, then turn on stereo
255 * if available, ...
256 */
257
258 static void chip_thread_wake(unsigned long data)
259 {
260 struct CHIPSTATE *chip = (struct CHIPSTATE*)data;
261 wake_up_process(chip->thread);
262 }
263
264 static int chip_thread(void *data)
265 {
266 struct CHIPSTATE *chip = data;
267 struct CHIPDESC *desc = chiplist + chip->type;
268
269 v4l_dbg(1, debug, chip->c, "%s: thread started\n", chip->c->name);
270 set_freezable();
271 for (;;) {
272 set_current_state(TASK_INTERRUPTIBLE);
273 if (!kthread_should_stop())
274 schedule();
275 set_current_state(TASK_RUNNING);
276 try_to_freeze();
277 if (kthread_should_stop())
278 break;
279 v4l_dbg(1, debug, chip->c, "%s: thread wakeup\n", chip->c->name);
280
281 /* don't do anything for radio or if mode != auto */
282 if (chip->radio || chip->mode != 0)
283 continue;
284
285 /* have a look what's going on */
286 desc->checkmode(chip);
287
288 /* schedule next check */
289 mod_timer(&chip->wt, jiffies+msecs_to_jiffies(2000));
290 }
291
292 v4l_dbg(1, debug, chip->c, "%s: thread exiting\n", chip->c->name);
293 return 0;
294 }
295
296 static void generic_checkmode(struct CHIPSTATE *chip)
297 {
298 struct CHIPDESC *desc = chiplist + chip->type;
299 int mode = desc->getmode(chip);
300
301 if (mode == chip->prevmode)
302 return;
303
304 v4l_dbg(1, debug, chip->c, "%s: thread checkmode\n", chip->c->name);
305 chip->prevmode = mode;
306
307 if (mode & V4L2_TUNER_MODE_STEREO)
308 desc->setmode(chip,V4L2_TUNER_MODE_STEREO);
309 if (mode & V4L2_TUNER_MODE_LANG1_LANG2)
310 desc->setmode(chip,V4L2_TUNER_MODE_STEREO);
311 else if (mode & V4L2_TUNER_MODE_LANG1)
312 desc->setmode(chip,V4L2_TUNER_MODE_LANG1);
313 else if (mode & V4L2_TUNER_MODE_LANG2)
314 desc->setmode(chip,V4L2_TUNER_MODE_LANG2);
315 else
316 desc->setmode(chip,V4L2_TUNER_MODE_MONO);
317 }
318
319 /* ---------------------------------------------------------------------- */
320 /* audio chip descriptions - defines+functions for tda9840 */
321
322 #define TDA9840_SW 0x00
323 #define TDA9840_LVADJ 0x02
324 #define TDA9840_STADJ 0x03
325 #define TDA9840_TEST 0x04
326
327 #define TDA9840_MONO 0x10
328 #define TDA9840_STEREO 0x2a
329 #define TDA9840_DUALA 0x12
330 #define TDA9840_DUALB 0x1e
331 #define TDA9840_DUALAB 0x1a
332 #define TDA9840_DUALBA 0x16
333 #define TDA9840_EXTERNAL 0x7a
334
335 #define TDA9840_DS_DUAL 0x20 /* Dual sound identified */
336 #define TDA9840_ST_STEREO 0x40 /* Stereo sound identified */
337 #define TDA9840_PONRES 0x80 /* Power-on reset detected if = 1 */
338
339 #define TDA9840_TEST_INT1SN 0x1 /* Integration time 0.5s when set */
340 #define TDA9840_TEST_INTFU 0x02 /* Disables integrator function */
341
342 static int tda9840_getmode(struct CHIPSTATE *chip)
343 {
344 int val, mode;
345
346 val = chip_read(chip);
347 mode = V4L2_TUNER_MODE_MONO;
348 if (val & TDA9840_DS_DUAL)
349 mode |= V4L2_TUNER_MODE_LANG1 | V4L2_TUNER_MODE_LANG2;
350 if (val & TDA9840_ST_STEREO)
351 mode |= V4L2_TUNER_MODE_STEREO;
352
353 v4l_dbg(1, debug, chip->c, "tda9840_getmode(): raw chip read: %d, return: %d\n",
354 val, mode);
355 return mode;
356 }
357
358 static void tda9840_setmode(struct CHIPSTATE *chip, int mode)
359 {
360 int update = 1;
361 int t = chip->shadow.bytes[TDA9840_SW + 1] & ~0x7e;
362
363 switch (mode) {
364 case V4L2_TUNER_MODE_MONO:
365 t |= TDA9840_MONO;
366 break;
367 case V4L2_TUNER_MODE_STEREO:
368 t |= TDA9840_STEREO;
369 break;
370 case V4L2_TUNER_MODE_LANG1:
371 t |= TDA9840_DUALA;
372 break;
373 case V4L2_TUNER_MODE_LANG2:
374 t |= TDA9840_DUALB;
375 break;
376 default:
377 update = 0;
378 }
379
380 if (update)
381 chip_write(chip, TDA9840_SW, t);
382 }
383
384 static int tda9840_checkit(struct CHIPSTATE *chip)
385 {
386 int rc;
387 rc = chip_read(chip);
388 /* lower 5 bits should be 0 */
389 return ((rc & 0x1f) == 0) ? 1 : 0;
390 }
391
392 /* ---------------------------------------------------------------------- */
393 /* audio chip descriptions - defines+functions for tda985x */
394
395 /* subaddresses for TDA9855 */
396 #define TDA9855_VR 0x00 /* Volume, right */
397 #define TDA9855_VL 0x01 /* Volume, left */
398 #define TDA9855_BA 0x02 /* Bass */
399 #define TDA9855_TR 0x03 /* Treble */
400 #define TDA9855_SW 0x04 /* Subwoofer - not connected on DTV2000 */
401
402 /* subaddresses for TDA9850 */
403 #define TDA9850_C4 0x04 /* Control 1 for TDA9850 */
404
405 /* subaddesses for both chips */
406 #define TDA985x_C5 0x05 /* Control 2 for TDA9850, Control 1 for TDA9855 */
407 #define TDA985x_C6 0x06 /* Control 3 for TDA9850, Control 2 for TDA9855 */
408 #define TDA985x_C7 0x07 /* Control 4 for TDA9850, Control 3 for TDA9855 */
409 #define TDA985x_A1 0x08 /* Alignment 1 for both chips */
410 #define TDA985x_A2 0x09 /* Alignment 2 for both chips */
411 #define TDA985x_A3 0x0a /* Alignment 3 for both chips */
412
413 /* Masks for bits in TDA9855 subaddresses */
414 /* 0x00 - VR in TDA9855 */
415 /* 0x01 - VL in TDA9855 */
416 /* lower 7 bits control gain from -71dB (0x28) to 16dB (0x7f)
417 * in 1dB steps - mute is 0x27 */
418
419
420 /* 0x02 - BA in TDA9855 */
421 /* lower 5 bits control bass gain from -12dB (0x06) to 16.5dB (0x19)
422 * in .5dB steps - 0 is 0x0E */
423
424
425 /* 0x03 - TR in TDA9855 */
426 /* 4 bits << 1 control treble gain from -12dB (0x3) to 12dB (0xb)
427 * in 3dB steps - 0 is 0x7 */
428
429 /* Masks for bits in both chips' subaddresses */
430 /* 0x04 - SW in TDA9855, C4/Control 1 in TDA9850 */
431 /* Unique to TDA9855: */
432 /* 4 bits << 2 control subwoofer/surround gain from -14db (0x1) to 14db (0xf)
433 * in 3dB steps - mute is 0x0 */
434
435 /* Unique to TDA9850: */
436 /* lower 4 bits control stereo noise threshold, over which stereo turns off
437 * set to values of 0x00 through 0x0f for Ster1 through Ster16 */
438
439
440 /* 0x05 - C5 - Control 1 in TDA9855 , Control 2 in TDA9850*/
441 /* Unique to TDA9855: */
442 #define TDA9855_MUTE 1<<7 /* GMU, Mute at outputs */
443 #define TDA9855_AVL 1<<6 /* AVL, Automatic Volume Level */
444 #define TDA9855_LOUD 1<<5 /* Loudness, 1==off */
445 #define TDA9855_SUR 1<<3 /* Surround / Subwoofer 1==.5(L-R) 0==.5(L+R) */
446 /* Bits 0 to 3 select various combinations
447 * of line in and line out, only the
448 * interesting ones are defined */
449 #define TDA9855_EXT 1<<2 /* Selects inputs LIR and LIL. Pins 41 & 12 */
450 #define TDA9855_INT 0 /* Selects inputs LOR and LOL. (internal) */
451
452 /* Unique to TDA9850: */
453 /* lower 4 bits contol SAP noise threshold, over which SAP turns off
454 * set to values of 0x00 through 0x0f for SAP1 through SAP16 */
455
456
457 /* 0x06 - C6 - Control 2 in TDA9855, Control 3 in TDA9850 */
458 /* Common to TDA9855 and TDA9850: */
459 #define TDA985x_SAP 3<<6 /* Selects SAP output, mute if not received */
460 #define TDA985x_STEREO 1<<6 /* Selects Stereo ouput, mono if not received */
461 #define TDA985x_MONO 0 /* Forces Mono output */
462 #define TDA985x_LMU 1<<3 /* Mute (LOR/LOL for 9855, OUTL/OUTR for 9850) */
463
464 /* Unique to TDA9855: */
465 #define TDA9855_TZCM 1<<5 /* If set, don't mute till zero crossing */
466 #define TDA9855_VZCM 1<<4 /* If set, don't change volume till zero crossing*/
467 #define TDA9855_LINEAR 0 /* Linear Stereo */
468 #define TDA9855_PSEUDO 1 /* Pseudo Stereo */
469 #define TDA9855_SPAT_30 2 /* Spatial Stereo, 30% anti-phase crosstalk */
470 #define TDA9855_SPAT_50 3 /* Spatial Stereo, 52% anti-phase crosstalk */
471 #define TDA9855_E_MONO 7 /* Forced mono - mono select elseware, so useless*/
472
473 /* 0x07 - C7 - Control 3 in TDA9855, Control 4 in TDA9850 */
474 /* Common to both TDA9855 and TDA9850: */
475 /* lower 4 bits control input gain from -3.5dB (0x0) to 4dB (0xF)
476 * in .5dB steps - 0dB is 0x7 */
477
478 /* 0x08, 0x09 - A1 and A2 (read/write) */
479 /* Common to both TDA9855 and TDA9850: */
480 /* lower 5 bites are wideband and spectral expander alignment
481 * from 0x00 to 0x1f - nominal at 0x0f and 0x10 (read/write) */
482 #define TDA985x_STP 1<<5 /* Stereo Pilot/detect (read-only) */
483 #define TDA985x_SAPP 1<<6 /* SAP Pilot/detect (read-only) */
484 #define TDA985x_STS 1<<7 /* Stereo trigger 1= <35mV 0= <30mV (write-only)*/
485
486 /* 0x0a - A3 */
487 /* Common to both TDA9855 and TDA9850: */
488 /* lower 3 bits control timing current for alignment: -30% (0x0), -20% (0x1),
489 * -10% (0x2), nominal (0x3), +10% (0x6), +20% (0x5), +30% (0x4) */
490 #define TDA985x_ADJ 1<<7 /* Stereo adjust on/off (wideband and spectral */
491
492 static int tda9855_volume(int val) { return val/0x2e8+0x27; }
493 static int tda9855_bass(int val) { return val/0xccc+0x06; }
494 static int tda9855_treble(int val) { return (val/0x1c71+0x3)<<1; }
495
496 static int tda985x_getmode(struct CHIPSTATE *chip)
497 {
498 int mode;
499
500 mode = ((TDA985x_STP | TDA985x_SAPP) &
501 chip_read(chip)) >> 4;
502 /* Add mono mode regardless of SAP and stereo */
503 /* Allows forced mono */
504 return mode | V4L2_TUNER_MODE_MONO;
505 }
506
507 static void tda985x_setmode(struct CHIPSTATE *chip, int mode)
508 {
509 int update = 1;
510 int c6 = chip->shadow.bytes[TDA985x_C6+1] & 0x3f;
511
512 switch (mode) {
513 case V4L2_TUNER_MODE_MONO:
514 c6 |= TDA985x_MONO;
515 break;
516 case V4L2_TUNER_MODE_STEREO:
517 c6 |= TDA985x_STEREO;
518 break;
519 case V4L2_TUNER_MODE_LANG1:
520 c6 |= TDA985x_SAP;
521 break;
522 default:
523 update = 0;
524 }
525 if (update)
526 chip_write(chip,TDA985x_C6,c6);
527 }
528
529
530 /* ---------------------------------------------------------------------- */
531 /* audio chip descriptions - defines+functions for tda9873h */
532
533 /* Subaddresses for TDA9873H */
534
535 #define TDA9873_SW 0x00 /* Switching */
536 #define TDA9873_AD 0x01 /* Adjust */
537 #define TDA9873_PT 0x02 /* Port */
538
539 /* Subaddress 0x00: Switching Data
540 * B7..B0:
541 *
542 * B1, B0: Input source selection
543 * 0, 0 internal
544 * 1, 0 external stereo
545 * 0, 1 external mono
546 */
547 #define TDA9873_INP_MASK 3
548 #define TDA9873_INTERNAL 0
549 #define TDA9873_EXT_STEREO 2
550 #define TDA9873_EXT_MONO 1
551
552 /* B3, B2: output signal select
553 * B4 : transmission mode
554 * 0, 0, 1 Mono
555 * 1, 0, 0 Stereo
556 * 1, 1, 1 Stereo (reversed channel)
557 * 0, 0, 0 Dual AB
558 * 0, 0, 1 Dual AA
559 * 0, 1, 0 Dual BB
560 * 0, 1, 1 Dual BA
561 */
562
563 #define TDA9873_TR_MASK (7 << 2)
564 #define TDA9873_TR_MONO 4
565 #define TDA9873_TR_STEREO 1 << 4
566 #define TDA9873_TR_REVERSE (1 << 3) & (1 << 2)
567 #define TDA9873_TR_DUALA 1 << 2
568 #define TDA9873_TR_DUALB 1 << 3
569
570 /* output level controls
571 * B5: output level switch (0 = reduced gain, 1 = normal gain)
572 * B6: mute (1 = muted)
573 * B7: auto-mute (1 = auto-mute enabled)
574 */
575
576 #define TDA9873_GAIN_NORMAL 1 << 5
577 #define TDA9873_MUTE 1 << 6
578 #define TDA9873_AUTOMUTE 1 << 7
579
580 /* Subaddress 0x01: Adjust/standard */
581
582 /* Lower 4 bits (C3..C0) control stereo adjustment on R channel (-0.6 - +0.7 dB)
583 * Recommended value is +0 dB
584 */
585
586 #define TDA9873_STEREO_ADJ 0x06 /* 0dB gain */
587
588 /* Bits C6..C4 control FM stantard
589 * C6, C5, C4
590 * 0, 0, 0 B/G (PAL FM)
591 * 0, 0, 1 M
592 * 0, 1, 0 D/K(1)
593 * 0, 1, 1 D/K(2)
594 * 1, 0, 0 D/K(3)
595 * 1, 0, 1 I
596 */
597 #define TDA9873_BG 0
598 #define TDA9873_M 1
599 #define TDA9873_DK1 2
600 #define TDA9873_DK2 3
601 #define TDA9873_DK3 4
602 #define TDA9873_I 5
603
604 /* C7 controls identification response time (1=fast/0=normal)
605 */
606 #define TDA9873_IDR_NORM 0
607 #define TDA9873_IDR_FAST 1 << 7
608
609
610 /* Subaddress 0x02: Port data */
611
612 /* E1, E0 free programmable ports P1/P2
613 0, 0 both ports low
614 0, 1 P1 high
615 1, 0 P2 high
616 1, 1 both ports high
617 */
618
619 #define TDA9873_PORTS 3
620
621 /* E2: test port */
622 #define TDA9873_TST_PORT 1 << 2
623
624 /* E5..E3 control mono output channel (together with transmission mode bit B4)
625 *
626 * E5 E4 E3 B4 OUTM
627 * 0 0 0 0 mono
628 * 0 0 1 0 DUAL B
629 * 0 1 0 1 mono (from stereo decoder)
630 */
631 #define TDA9873_MOUT_MONO 0
632 #define TDA9873_MOUT_FMONO 0
633 #define TDA9873_MOUT_DUALA 0
634 #define TDA9873_MOUT_DUALB 1 << 3
635 #define TDA9873_MOUT_ST 1 << 4
636 #define TDA9873_MOUT_EXTM (1 << 4 ) & (1 << 3)
637 #define TDA9873_MOUT_EXTL 1 << 5
638 #define TDA9873_MOUT_EXTR (1 << 5 ) & (1 << 3)
639 #define TDA9873_MOUT_EXTLR (1 << 5 ) & (1 << 4)
640 #define TDA9873_MOUT_MUTE (1 << 5 ) & (1 << 4) & (1 << 3)
641
642 /* Status bits: (chip read) */
643 #define TDA9873_PONR 0 /* Power-on reset detected if = 1 */
644 #define TDA9873_STEREO 2 /* Stereo sound is identified */
645 #define TDA9873_DUAL 4 /* Dual sound is identified */
646
647 static int tda9873_getmode(struct CHIPSTATE *chip)
648 {
649 int val,mode;
650
651 val = chip_read(chip);
652 mode = V4L2_TUNER_MODE_MONO;
653 if (val & TDA9873_STEREO)
654 mode |= V4L2_TUNER_MODE_STEREO;
655 if (val & TDA9873_DUAL)
656 mode |= V4L2_TUNER_MODE_LANG1 | V4L2_TUNER_MODE_LANG2;
657 v4l_dbg(1, debug, chip->c, "tda9873_getmode(): raw chip read: %d, return: %d\n",
658 val, mode);
659 return mode;
660 }
661
662 static void tda9873_setmode(struct CHIPSTATE *chip, int mode)
663 {
664 int sw_data = chip->shadow.bytes[TDA9873_SW+1] & ~ TDA9873_TR_MASK;
665 /* int adj_data = chip->shadow.bytes[TDA9873_AD+1] ; */
666
667 if ((sw_data & TDA9873_INP_MASK) != TDA9873_INTERNAL) {
668 v4l_dbg(1, debug, chip->c, "tda9873_setmode(): external input\n");
669 return;
670 }
671
672 v4l_dbg(1, debug, chip->c, "tda9873_setmode(): chip->shadow.bytes[%d] = %d\n", TDA9873_SW+1, chip->shadow.bytes[TDA9873_SW+1]);
673 v4l_dbg(1, debug, chip->c, "tda9873_setmode(): sw_data = %d\n", sw_data);
674
675 switch (mode) {
676 case V4L2_TUNER_MODE_MONO:
677 sw_data |= TDA9873_TR_MONO;
678 break;
679 case V4L2_TUNER_MODE_STEREO:
680 sw_data |= TDA9873_TR_STEREO;
681 break;
682 case V4L2_TUNER_MODE_LANG1:
683 sw_data |= TDA9873_TR_DUALA;
684 break;
685 case V4L2_TUNER_MODE_LANG2:
686 sw_data |= TDA9873_TR_DUALB;
687 break;
688 default:
689 chip->mode = 0;
690 return;
691 }
692
693 chip_write(chip, TDA9873_SW, sw_data);
694 v4l_dbg(1, debug, chip->c, "tda9873_setmode(): req. mode %d; chip_write: %d\n",
695 mode, sw_data);
696 }
697
698 static int tda9873_checkit(struct CHIPSTATE *chip)
699 {
700 int rc;
701
702 if (-1 == (rc = chip_read2(chip,254)))
703 return 0;
704 return (rc & ~0x1f) == 0x80;
705 }
706
707
708 /* ---------------------------------------------------------------------- */
709 /* audio chip description - defines+functions for tda9874h and tda9874a */
710 /* Dariusz Kowalewski <darekk@automex.pl> */
711
712 /* Subaddresses for TDA9874H and TDA9874A (slave rx) */
713 #define TDA9874A_AGCGR 0x00 /* AGC gain */
714 #define TDA9874A_GCONR 0x01 /* general config */
715 #define TDA9874A_MSR 0x02 /* monitor select */
716 #define TDA9874A_C1FRA 0x03 /* carrier 1 freq. */
717 #define TDA9874A_C1FRB 0x04 /* carrier 1 freq. */
718 #define TDA9874A_C1FRC 0x05 /* carrier 1 freq. */
719 #define TDA9874A_C2FRA 0x06 /* carrier 2 freq. */
720 #define TDA9874A_C2FRB 0x07 /* carrier 2 freq. */
721 #define TDA9874A_C2FRC 0x08 /* carrier 2 freq. */
722 #define TDA9874A_DCR 0x09 /* demodulator config */
723 #define TDA9874A_FMER 0x0a /* FM de-emphasis */
724 #define TDA9874A_FMMR 0x0b /* FM dematrix */
725 #define TDA9874A_C1OLAR 0x0c /* ch.1 output level adj. */
726 #define TDA9874A_C2OLAR 0x0d /* ch.2 output level adj. */
727 #define TDA9874A_NCONR 0x0e /* NICAM config */
728 #define TDA9874A_NOLAR 0x0f /* NICAM output level adj. */
729 #define TDA9874A_NLELR 0x10 /* NICAM lower error limit */
730 #define TDA9874A_NUELR 0x11 /* NICAM upper error limit */
731 #define TDA9874A_AMCONR 0x12 /* audio mute control */
732 #define TDA9874A_SDACOSR 0x13 /* stereo DAC output select */
733 #define TDA9874A_AOSR 0x14 /* analog output select */
734 #define TDA9874A_DAICONR 0x15 /* digital audio interface config */
735 #define TDA9874A_I2SOSR 0x16 /* I2S-bus output select */
736 #define TDA9874A_I2SOLAR 0x17 /* I2S-bus output level adj. */
737 #define TDA9874A_MDACOSR 0x18 /* mono DAC output select (tda9874a) */
738 #define TDA9874A_ESP 0xFF /* easy standard progr. (tda9874a) */
739
740 /* Subaddresses for TDA9874H and TDA9874A (slave tx) */
741 #define TDA9874A_DSR 0x00 /* device status */
742 #define TDA9874A_NSR 0x01 /* NICAM status */
743 #define TDA9874A_NECR 0x02 /* NICAM error count */
744 #define TDA9874A_DR1 0x03 /* add. data LSB */
745 #define TDA9874A_DR2 0x04 /* add. data MSB */
746 #define TDA9874A_LLRA 0x05 /* monitor level read-out LSB */
747 #define TDA9874A_LLRB 0x06 /* monitor level read-out MSB */
748 #define TDA9874A_SIFLR 0x07 /* SIF level */
749 #define TDA9874A_TR2 252 /* test reg. 2 */
750 #define TDA9874A_TR1 253 /* test reg. 1 */
751 #define TDA9874A_DIC 254 /* device id. code */
752 #define TDA9874A_SIC 255 /* software id. code */
753
754
755 static int tda9874a_mode = 1; /* 0: A2, 1: NICAM */
756 static int tda9874a_GCONR = 0xc0; /* default config. input pin: SIFSEL=0 */
757 static int tda9874a_NCONR = 0x01; /* default NICAM config.: AMSEL=0,AMUTE=1 */
758 static int tda9874a_ESP = 0x07; /* default standard: NICAM D/K */
759 static int tda9874a_dic = -1; /* device id. code */
760
761 /* insmod options for tda9874a */
762 static unsigned int tda9874a_SIF = UNSET;
763 static unsigned int tda9874a_AMSEL = UNSET;
764 static unsigned int tda9874a_STD = UNSET;
765 module_param(tda9874a_SIF, int, 0444);
766 module_param(tda9874a_AMSEL, int, 0444);
767 module_param(tda9874a_STD, int, 0444);
768
769 /*
770 * initialization table for tda9874 decoder:
771 * - carrier 1 freq. registers (3 bytes)
772 * - carrier 2 freq. registers (3 bytes)
773 * - demudulator config register
774 * - FM de-emphasis register (slow identification mode)
775 * Note: frequency registers must be written in single i2c transfer.
776 */
777 static struct tda9874a_MODES {
778 char *name;
779 audiocmd cmd;
780 } tda9874a_modelist[9] = {
781 { "A2, B/G",
782 { 9, { TDA9874A_C1FRA, 0x72,0x95,0x55, 0x77,0xA0,0x00, 0x00,0x00 }} },
783 { "A2, M (Korea)",
784 { 9, { TDA9874A_C1FRA, 0x5D,0xC0,0x00, 0x62,0x6A,0xAA, 0x20,0x22 }} },
785 { "A2, D/K (1)",
786 { 9, { TDA9874A_C1FRA, 0x87,0x6A,0xAA, 0x82,0x60,0x00, 0x00,0x00 }} },
787 { "A2, D/K (2)",
788 { 9, { TDA9874A_C1FRA, 0x87,0x6A,0xAA, 0x8C,0x75,0x55, 0x00,0x00 }} },
789 { "A2, D/K (3)",
790 { 9, { TDA9874A_C1FRA, 0x87,0x6A,0xAA, 0x77,0xA0,0x00, 0x00,0x00 }} },
791 { "NICAM, I",
792 { 9, { TDA9874A_C1FRA, 0x7D,0x00,0x00, 0x88,0x8A,0xAA, 0x08,0x33 }} },
793 { "NICAM, B/G",
794 { 9, { TDA9874A_C1FRA, 0x72,0x95,0x55, 0x79,0xEA,0xAA, 0x08,0x33 }} },
795 { "NICAM, D/K", /* default */
796 { 9, { TDA9874A_C1FRA, 0x87,0x6A,0xAA, 0x79,0xEA,0xAA, 0x08,0x33 }} },
797 { "NICAM, L",
798 { 9, { TDA9874A_C1FRA, 0x87,0x6A,0xAA, 0x79,0xEA,0xAA, 0x09,0x33 }} }
799 };
800
801 static int tda9874a_setup(struct CHIPSTATE *chip)
802 {
803 chip_write(chip, TDA9874A_AGCGR, 0x00); /* 0 dB */
804 chip_write(chip, TDA9874A_GCONR, tda9874a_GCONR);
805 chip_write(chip, TDA9874A_MSR, (tda9874a_mode) ? 0x03:0x02);
806 if(tda9874a_dic == 0x11) {
807 chip_write(chip, TDA9874A_FMMR, 0x80);
808 } else { /* dic == 0x07 */
809 chip_cmd(chip,"tda9874_modelist",&tda9874a_modelist[tda9874a_STD].cmd);
810 chip_write(chip, TDA9874A_FMMR, 0x00);
811 }
812 chip_write(chip, TDA9874A_C1OLAR, 0x00); /* 0 dB */
813 chip_write(chip, TDA9874A_C2OLAR, 0x00); /* 0 dB */
814 chip_write(chip, TDA9874A_NCONR, tda9874a_NCONR);
815 chip_write(chip, TDA9874A_NOLAR, 0x00); /* 0 dB */
816 /* Note: If signal quality is poor you may want to change NICAM */
817 /* error limit registers (NLELR and NUELR) to some greater values. */
818 /* Then the sound would remain stereo, but won't be so clear. */
819 chip_write(chip, TDA9874A_NLELR, 0x14); /* default */
820 chip_write(chip, TDA9874A_NUELR, 0x50); /* default */
821
822 if(tda9874a_dic == 0x11) {
823 chip_write(chip, TDA9874A_AMCONR, 0xf9);
824 chip_write(chip, TDA9874A_SDACOSR, (tda9874a_mode) ? 0x81:0x80);
825 chip_write(chip, TDA9874A_AOSR, 0x80);
826 chip_write(chip, TDA9874A_MDACOSR, (tda9874a_mode) ? 0x82:0x80);
827 chip_write(chip, TDA9874A_ESP, tda9874a_ESP);
828 } else { /* dic == 0x07 */
829 chip_write(chip, TDA9874A_AMCONR, 0xfb);
830 chip_write(chip, TDA9874A_SDACOSR, (tda9874a_mode) ? 0x81:0x80);
831 chip_write(chip, TDA9874A_AOSR, 0x00); /* or 0x10 */
832 }
833 v4l_dbg(1, debug, chip->c, "tda9874a_setup(): %s [0x%02X].\n",
834 tda9874a_modelist[tda9874a_STD].name,tda9874a_STD);
835 return 1;
836 }
837
838 static int tda9874a_getmode(struct CHIPSTATE *chip)
839 {
840 int dsr,nsr,mode;
841 int necr; /* just for debugging */
842
843 mode = V4L2_TUNER_MODE_MONO;
844
845 if(-1 == (dsr = chip_read2(chip,TDA9874A_DSR)))
846 return mode;
847 if(-1 == (nsr = chip_read2(chip,TDA9874A_NSR)))
848 return mode;
849 if(-1 == (necr = chip_read2(chip,TDA9874A_NECR)))
850 return mode;
851
852 /* need to store dsr/nsr somewhere */
853 chip->shadow.bytes[MAXREGS-2] = dsr;
854 chip->shadow.bytes[MAXREGS-1] = nsr;
855
856 if(tda9874a_mode) {
857 /* Note: DSR.RSSF and DSR.AMSTAT bits are also checked.
858 * If NICAM auto-muting is enabled, DSR.AMSTAT=1 indicates
859 * that sound has (temporarily) switched from NICAM to
860 * mono FM (or AM) on 1st sound carrier due to high NICAM bit
861 * error count. So in fact there is no stereo in this case :-(
862 * But changing the mode to V4L2_TUNER_MODE_MONO would switch
863 * external 4052 multiplexer in audio_hook().
864 */
865 if(nsr & 0x02) /* NSR.S/MB=1 */
866 mode |= V4L2_TUNER_MODE_STEREO;
867 if(nsr & 0x01) /* NSR.D/SB=1 */
868 mode |= V4L2_TUNER_MODE_LANG1 | V4L2_TUNER_MODE_LANG2;
869 } else {
870 if(dsr & 0x02) /* DSR.IDSTE=1 */
871 mode |= V4L2_TUNER_MODE_STEREO;
872 if(dsr & 0x04) /* DSR.IDDUA=1 */
873 mode |= V4L2_TUNER_MODE_LANG1 | V4L2_TUNER_MODE_LANG2;
874 }
875
876 v4l_dbg(1, debug, chip->c, "tda9874a_getmode(): DSR=0x%X, NSR=0x%X, NECR=0x%X, return: %d.\n",
877 dsr, nsr, necr, mode);
878 return mode;
879 }
880
881 static void tda9874a_setmode(struct CHIPSTATE *chip, int mode)
882 {
883 /* Disable/enable NICAM auto-muting (based on DSR.RSSF status bit). */
884 /* If auto-muting is disabled, we can hear a signal of degrading quality. */
885 if(tda9874a_mode) {
886 if(chip->shadow.bytes[MAXREGS-2] & 0x20) /* DSR.RSSF=1 */
887 tda9874a_NCONR &= 0xfe; /* enable */
888 else
889 tda9874a_NCONR |= 0x01; /* disable */
890 chip_write(chip, TDA9874A_NCONR, tda9874a_NCONR);
891 }
892
893 /* Note: TDA9874A supports automatic FM dematrixing (FMMR register)
894 * and has auto-select function for audio output (AOSR register).
895 * Old TDA9874H doesn't support these features.
896 * TDA9874A also has additional mono output pin (OUTM), which
897 * on same (all?) tv-cards is not used, anyway (as well as MONOIN).
898 */
899 if(tda9874a_dic == 0x11) {
900 int aosr = 0x80;
901 int mdacosr = (tda9874a_mode) ? 0x82:0x80;
902
903 switch(mode) {
904 case V4L2_TUNER_MODE_MONO:
905 case V4L2_TUNER_MODE_STEREO:
906 break;
907 case V4L2_TUNER_MODE_LANG1:
908 aosr = 0x80; /* auto-select, dual A/A */
909 mdacosr = (tda9874a_mode) ? 0x82:0x80;
910 break;
911 case V4L2_TUNER_MODE_LANG2:
912 aosr = 0xa0; /* auto-select, dual B/B */
913 mdacosr = (tda9874a_mode) ? 0x83:0x81;
914 break;
915 default:
916 chip->mode = 0;
917 return;
918 }
919 chip_write(chip, TDA9874A_AOSR, aosr);
920 chip_write(chip, TDA9874A_MDACOSR, mdacosr);
921
922 v4l_dbg(1, debug, chip->c, "tda9874a_setmode(): req. mode %d; AOSR=0x%X, MDACOSR=0x%X.\n",
923 mode, aosr, mdacosr);
924
925 } else { /* dic == 0x07 */
926 int fmmr,aosr;
927
928 switch(mode) {
929 case V4L2_TUNER_MODE_MONO:
930 fmmr = 0x00; /* mono */
931 aosr = 0x10; /* A/A */
932 break;
933 case V4L2_TUNER_MODE_STEREO:
934 if(tda9874a_mode) {
935 fmmr = 0x00;
936 aosr = 0x00; /* handled by NICAM auto-mute */
937 } else {
938 fmmr = (tda9874a_ESP == 1) ? 0x05 : 0x04; /* stereo */
939 aosr = 0x00;
940 }
941 break;
942 case V4L2_TUNER_MODE_LANG1:
943 fmmr = 0x02; /* dual */
944 aosr = 0x10; /* dual A/A */
945 break;
946 case V4L2_TUNER_MODE_LANG2:
947 fmmr = 0x02; /* dual */
948 aosr = 0x20; /* dual B/B */
949 break;
950 default:
951 chip->mode = 0;
952 return;
953 }
954 chip_write(chip, TDA9874A_FMMR, fmmr);
955 chip_write(chip, TDA9874A_AOSR, aosr);
956
957 v4l_dbg(1, debug, chip->c, "tda9874a_setmode(): req. mode %d; FMMR=0x%X, AOSR=0x%X.\n",
958 mode, fmmr, aosr);
959 }
960 }
961
962 static int tda9874a_checkit(struct CHIPSTATE *chip)
963 {
964 int dic,sic; /* device id. and software id. codes */
965
966 if(-1 == (dic = chip_read2(chip,TDA9874A_DIC)))
967 return 0;
968 if(-1 == (sic = chip_read2(chip,TDA9874A_SIC)))
969 return 0;
970
971 v4l_dbg(1, debug, chip->c, "tda9874a_checkit(): DIC=0x%X, SIC=0x%X.\n", dic, sic);
972
973 if((dic == 0x11)||(dic == 0x07)) {
974 v4l_info(chip->c, "found tda9874%s.\n", (dic == 0x11) ? "a":"h");
975 tda9874a_dic = dic; /* remember device id. */
976 return 1;
977 }
978 return 0; /* not found */
979 }
980
981 static int tda9874a_initialize(struct CHIPSTATE *chip)
982 {
983 if (tda9874a_SIF > 2)
984 tda9874a_SIF = 1;
985 if (tda9874a_STD > 8)
986 tda9874a_STD = 0;
987 if(tda9874a_AMSEL > 1)
988 tda9874a_AMSEL = 0;
989
990 if(tda9874a_SIF == 1)
991 tda9874a_GCONR = 0xc0; /* sound IF input 1 */
992 else
993 tda9874a_GCONR = 0xc1; /* sound IF input 2 */
994
995 tda9874a_ESP = tda9874a_STD;
996 tda9874a_mode = (tda9874a_STD < 5) ? 0 : 1;
997
998 if(tda9874a_AMSEL == 0)
999 tda9874a_NCONR = 0x01; /* auto-mute: analog mono input */
1000 else
1001 tda9874a_NCONR = 0x05; /* auto-mute: 1st carrier FM or AM */
1002
1003 tda9874a_setup(chip);
1004 return 0;
1005 }
1006
1007
1008 /* ---------------------------------------------------------------------- */
1009 /* audio chip descriptions - defines+functions for tea6420 */
1010
1011 #define TEA6300_VL 0x00 /* volume left */
1012 #define TEA6300_VR 0x01 /* volume right */
1013 #define TEA6300_BA 0x02 /* bass */
1014 #define TEA6300_TR 0x03 /* treble */
1015 #define TEA6300_FA 0x04 /* fader control */
1016 #define TEA6300_S 0x05 /* switch register */
1017 /* values for those registers: */
1018 #define TEA6300_S_SA 0x01 /* stereo A input */
1019 #define TEA6300_S_SB 0x02 /* stereo B */
1020 #define TEA6300_S_SC 0x04 /* stereo C */
1021 #define TEA6300_S_GMU 0x80 /* general mute */
1022
1023 #define TEA6320_V 0x00 /* volume (0-5)/loudness off (6)/zero crossing mute(7) */
1024 #define TEA6320_FFR 0x01 /* fader front right (0-5) */
1025 #define TEA6320_FFL 0x02 /* fader front left (0-5) */
1026 #define TEA6320_FRR 0x03 /* fader rear right (0-5) */
1027 #define TEA6320_FRL 0x04 /* fader rear left (0-5) */
1028 #define TEA6320_BA 0x05 /* bass (0-4) */
1029 #define TEA6320_TR 0x06 /* treble (0-4) */
1030 #define TEA6320_S 0x07 /* switch register */
1031 /* values for those registers: */
1032 #define TEA6320_S_SA 0x07 /* stereo A input */
1033 #define TEA6320_S_SB 0x06 /* stereo B */
1034 #define TEA6320_S_SC 0x05 /* stereo C */
1035 #define TEA6320_S_SD 0x04 /* stereo D */
1036 #define TEA6320_S_GMU 0x80 /* general mute */
1037
1038 #define TEA6420_S_SA 0x00 /* stereo A input */
1039 #define TEA6420_S_SB 0x01 /* stereo B */
1040 #define TEA6420_S_SC 0x02 /* stereo C */
1041 #define TEA6420_S_SD 0x03 /* stereo D */
1042 #define TEA6420_S_SE 0x04 /* stereo E */
1043 #define TEA6420_S_GMU 0x05 /* general mute */
1044
1045 static int tea6300_shift10(int val) { return val >> 10; }
1046 static int tea6300_shift12(int val) { return val >> 12; }
1047
1048 /* Assumes 16bit input (values 0x3f to 0x0c are unique, values less than */
1049 /* 0x0c mirror those immediately higher) */
1050 static int tea6320_volume(int val) { return (val / (65535/(63-12)) + 12) & 0x3f; }
1051 static int tea6320_shift11(int val) { return val >> 11; }
1052 static int tea6320_initialize(struct CHIPSTATE * chip)
1053 {
1054 chip_write(chip, TEA6320_FFR, 0x3f);
1055 chip_write(chip, TEA6320_FFL, 0x3f);
1056 chip_write(chip, TEA6320_FRR, 0x3f);
1057 chip_write(chip, TEA6320_FRL, 0x3f);
1058
1059 return 0;
1060 }
1061
1062
1063 /* ---------------------------------------------------------------------- */
1064 /* audio chip descriptions - defines+functions for tda8425 */
1065
1066 #define TDA8425_VL 0x00 /* volume left */
1067 #define TDA8425_VR 0x01 /* volume right */
1068 #define TDA8425_BA 0x02 /* bass */
1069 #define TDA8425_TR 0x03 /* treble */
1070 #define TDA8425_S1 0x08 /* switch functions */
1071 /* values for those registers: */
1072 #define TDA8425_S1_OFF 0xEE /* audio off (mute on) */
1073 #define TDA8425_S1_CH1 0xCE /* audio channel 1 (mute off) - "linear stereo" mode */
1074 #define TDA8425_S1_CH2 0xCF /* audio channel 2 (mute off) - "linear stereo" mode */
1075 #define TDA8425_S1_MU 0x20 /* mute bit */
1076 #define TDA8425_S1_STEREO 0x18 /* stereo bits */
1077 #define TDA8425_S1_STEREO_SPATIAL 0x18 /* spatial stereo */
1078 #define TDA8425_S1_STEREO_LINEAR 0x08 /* linear stereo */
1079 #define TDA8425_S1_STEREO_PSEUDO 0x10 /* pseudo stereo */
1080 #define TDA8425_S1_STEREO_MONO 0x00 /* forced mono */
1081 #define TDA8425_S1_ML 0x06 /* language selector */
1082 #define TDA8425_S1_ML_SOUND_A 0x02 /* sound a */
1083 #define TDA8425_S1_ML_SOUND_B 0x04 /* sound b */
1084 #define TDA8425_S1_ML_STEREO 0x06 /* stereo */
1085 #define TDA8425_S1_IS 0x01 /* channel selector */
1086
1087
1088 static int tda8425_shift10(int val) { return (val >> 10) | 0xc0; }
1089 static int tda8425_shift12(int val) { return (val >> 12) | 0xf0; }
1090
1091 static int tda8425_initialize(struct CHIPSTATE *chip)
1092 {
1093 struct CHIPDESC *desc = chiplist + chip->type;
1094 int inputmap[4] = { /* tuner */ TDA8425_S1_CH2, /* radio */ TDA8425_S1_CH1,
1095 /* extern */ TDA8425_S1_CH1, /* intern */ TDA8425_S1_OFF};
1096
1097 if (chip->c->adapter->id == I2C_HW_B_RIVA) {
1098 memcpy (desc->inputmap, inputmap, sizeof (inputmap));
1099 }
1100 return 0;
1101 }
1102
1103 static void tda8425_setmode(struct CHIPSTATE *chip, int mode)
1104 {
1105 int s1 = chip->shadow.bytes[TDA8425_S1+1] & 0xe1;
1106
1107 if (mode & V4L2_TUNER_MODE_LANG1) {
1108 s1 |= TDA8425_S1_ML_SOUND_A;
1109 s1 |= TDA8425_S1_STEREO_PSEUDO;
1110
1111 } else if (mode & V4L2_TUNER_MODE_LANG2) {
1112 s1 |= TDA8425_S1_ML_SOUND_B;
1113 s1 |= TDA8425_S1_STEREO_PSEUDO;
1114
1115 } else {
1116 s1 |= TDA8425_S1_ML_STEREO;
1117
1118 if (mode & V4L2_TUNER_MODE_MONO)
1119 s1 |= TDA8425_S1_STEREO_MONO;
1120 if (mode & V4L2_TUNER_MODE_STEREO)
1121 s1 |= TDA8425_S1_STEREO_SPATIAL;
1122 }
1123 chip_write(chip,TDA8425_S1,s1);
1124 }
1125
1126
1127 /* ---------------------------------------------------------------------- */
1128 /* audio chip descriptions - defines+functions for pic16c54 (PV951) */
1129
1130 /* the registers of 16C54, I2C sub address. */
1131 #define PIC16C54_REG_KEY_CODE 0x01 /* Not use. */
1132 #define PIC16C54_REG_MISC 0x02
1133
1134 /* bit definition of the RESET register, I2C data. */
1135 #define PIC16C54_MISC_RESET_REMOTE_CTL 0x01 /* bit 0, Reset to receive the key */
1136 /* code of remote controller */
1137 #define PIC16C54_MISC_MTS_MAIN 0x02 /* bit 1 */
1138 #define PIC16C54_MISC_MTS_SAP 0x04 /* bit 2 */
1139 #define PIC16C54_MISC_MTS_BOTH 0x08 /* bit 3 */
1140 #define PIC16C54_MISC_SND_MUTE 0x10 /* bit 4, Mute Audio(Line-in and Tuner) */
1141 #define PIC16C54_MISC_SND_NOTMUTE 0x20 /* bit 5 */
1142 #define PIC16C54_MISC_SWITCH_TUNER 0x40 /* bit 6 , Switch to Line-in */
1143 #define PIC16C54_MISC_SWITCH_LINE 0x80 /* bit 7 , Switch to Tuner */
1144
1145 /* ---------------------------------------------------------------------- */
1146 /* audio chip descriptions - defines+functions for TA8874Z */
1147
1148 /* write 1st byte */
1149 #define TA8874Z_LED_STE 0x80
1150 #define TA8874Z_LED_BIL 0x40
1151 #define TA8874Z_LED_EXT 0x20
1152 #define TA8874Z_MONO_SET 0x10
1153 #define TA8874Z_MUTE 0x08
1154 #define TA8874Z_F_MONO 0x04
1155 #define TA8874Z_MODE_SUB 0x02
1156 #define TA8874Z_MODE_MAIN 0x01
1157
1158 /* write 2nd byte */
1159 /*#define TA8874Z_TI 0x80 */ /* test mode */
1160 #define TA8874Z_SEPARATION 0x3f
1161 #define TA8874Z_SEPARATION_DEFAULT 0x10
1162
1163 /* read */
1164 #define TA8874Z_B1 0x80
1165 #define TA8874Z_B0 0x40
1166 #define TA8874Z_CHAG_FLAG 0x20
1167
1168 /*
1169 * B1 B0
1170 * mono L H
1171 * stereo L L
1172 * BIL H L
1173 */
1174 static int ta8874z_getmode(struct CHIPSTATE *chip)
1175 {
1176 int val, mode;
1177
1178 val = chip_read(chip);
1179 mode = V4L2_TUNER_MODE_MONO;
1180 if (val & TA8874Z_B1){
1181 mode |= V4L2_TUNER_MODE_LANG1 | V4L2_TUNER_MODE_LANG2;
1182 }else if (!(val & TA8874Z_B0)){
1183 mode |= V4L2_TUNER_MODE_STEREO;
1184 }
1185 /* v4l_dbg(1, debug, chip->c, "ta8874z_getmode(): raw chip read: 0x%02x, return: 0x%02x\n", val, mode); */
1186 return mode;
1187 }
1188
1189 static audiocmd ta8874z_stereo = { 2, {0, TA8874Z_SEPARATION_DEFAULT}};
1190 static audiocmd ta8874z_mono = {2, { TA8874Z_MONO_SET, TA8874Z_SEPARATION_DEFAULT}};
1191 static audiocmd ta8874z_main = {2, { 0, TA8874Z_SEPARATION_DEFAULT}};
1192 static audiocmd ta8874z_sub = {2, { TA8874Z_MODE_SUB, TA8874Z_SEPARATION_DEFAULT}};
1193
1194 static void ta8874z_setmode(struct CHIPSTATE *chip, int mode)
1195 {
1196 int update = 1;
1197 audiocmd *t = NULL;
1198 v4l_dbg(1, debug, chip->c, "ta8874z_setmode(): mode: 0x%02x\n", mode);
1199
1200 switch(mode){
1201 case V4L2_TUNER_MODE_MONO:
1202 t = &ta8874z_mono;
1203 break;
1204 case V4L2_TUNER_MODE_STEREO:
1205 t = &ta8874z_stereo;
1206 break;
1207 case V4L2_TUNER_MODE_LANG1:
1208 t = &ta8874z_main;
1209 break;
1210 case V4L2_TUNER_MODE_LANG2:
1211 t = &ta8874z_sub;
1212 break;
1213 default:
1214 update = 0;
1215 }
1216
1217 if(update)
1218 chip_cmd(chip, "TA8874Z", t);
1219 }
1220
1221 static int ta8874z_checkit(struct CHIPSTATE *chip)
1222 {
1223 int rc;
1224 rc = chip_read(chip);
1225 return ((rc & 0x1f) == 0x1f) ? 1 : 0;
1226 }
1227
1228 /* ---------------------------------------------------------------------- */
1229 /* audio chip descriptions - struct CHIPDESC */
1230
1231 /* insmod options to enable/disable individual audio chips */
1232 static int tda8425 = 1;
1233 static int tda9840 = 1;
1234 static int tda9850 = 1;
1235 static int tda9855 = 1;
1236 static int tda9873 = 1;
1237 static int tda9874a = 1;
1238 static int tea6300 = 0; /* address clash with msp34xx */
1239 static int tea6320 = 0; /* address clash with msp34xx */
1240 static int tea6420 = 1;
1241 static int pic16c54 = 1;
1242 static int ta8874z = 0; /* address clash with tda9840 */
1243
1244 module_param(tda8425, int, 0444);
1245 module_param(tda9840, int, 0444);
1246 module_param(tda9850, int, 0444);
1247 module_param(tda9855, int, 0444);
1248 module_param(tda9873, int, 0444);
1249 module_param(tda9874a, int, 0444);
1250 module_param(tea6300, int, 0444);
1251 module_param(tea6320, int, 0444);
1252 module_param(tea6420, int, 0444);
1253 module_param(pic16c54, int, 0444);
1254 module_param(ta8874z, int, 0444);
1255
1256 static struct CHIPDESC chiplist[] = {
1257 {
1258 .name = "tda9840",
1259 .id = I2C_DRIVERID_TDA9840,
1260 .insmodopt = &tda9840,
1261 .addr_lo = I2C_ADDR_TDA9840 >> 1,
1262 .addr_hi = I2C_ADDR_TDA9840 >> 1,
1263 .registers = 5,
1264
1265 .checkit = tda9840_checkit,
1266 .getmode = tda9840_getmode,
1267 .setmode = tda9840_setmode,
1268 .checkmode = generic_checkmode,
1269
1270 .init = { 2, { TDA9840_TEST, TDA9840_TEST_INT1SN
1271 /* ,TDA9840_SW, TDA9840_MONO */} }
1272 },
1273 {
1274 .name = "tda9873h",
1275 .id = I2C_DRIVERID_TDA9873,
1276 .checkit = tda9873_checkit,
1277 .insmodopt = &tda9873,
1278 .addr_lo = I2C_ADDR_TDA985x_L >> 1,
1279 .addr_hi = I2C_ADDR_TDA985x_H >> 1,
1280 .registers = 3,
1281 .flags = CHIP_HAS_INPUTSEL,
1282
1283 .getmode = tda9873_getmode,
1284 .setmode = tda9873_setmode,
1285 .checkmode = generic_checkmode,
1286
1287 .init = { 4, { TDA9873_SW, 0xa4, 0x06, 0x03 } },
1288 .inputreg = TDA9873_SW,
1289 .inputmute = TDA9873_MUTE | TDA9873_AUTOMUTE,
1290 .inputmap = {0xa0, 0xa2, 0xa0, 0xa0},
1291 .inputmask = TDA9873_INP_MASK|TDA9873_MUTE|TDA9873_AUTOMUTE,
1292
1293 },
1294 {
1295 .name = "tda9874h/a",
1296 .id = I2C_DRIVERID_TDA9874,
1297 .checkit = tda9874a_checkit,
1298 .initialize = tda9874a_initialize,
1299 .insmodopt = &tda9874a,
1300 .addr_lo = I2C_ADDR_TDA9874 >> 1,
1301 .addr_hi = I2C_ADDR_TDA9874 >> 1,
1302
1303 .getmode = tda9874a_getmode,
1304 .setmode = tda9874a_setmode,
1305 .checkmode = generic_checkmode,
1306 },
1307 {
1308 .name = "tda9850",
1309 .id = I2C_DRIVERID_TDA9850,
1310 .insmodopt = &tda9850,
1311 .addr_lo = I2C_ADDR_TDA985x_L >> 1,
1312 .addr_hi = I2C_ADDR_TDA985x_H >> 1,
1313 .registers = 11,
1314
1315 .getmode = tda985x_getmode,
1316 .setmode = tda985x_setmode,
1317
1318 .init = { 8, { TDA9850_C4, 0x08, 0x08, TDA985x_STEREO, 0x07, 0x10, 0x10, 0x03 } }
1319 },
1320 {
1321 .name = "tda9855",
1322 .id = I2C_DRIVERID_TDA9855,
1323 .insmodopt = &tda9855,
1324 .addr_lo = I2C_ADDR_TDA985x_L >> 1,
1325 .addr_hi = I2C_ADDR_TDA985x_H >> 1,
1326 .registers = 11,
1327 .flags = CHIP_HAS_VOLUME | CHIP_HAS_BASSTREBLE,
1328
1329 .leftreg = TDA9855_VL,
1330 .rightreg = TDA9855_VR,
1331 .bassreg = TDA9855_BA,
1332 .treblereg = TDA9855_TR,
1333 .volfunc = tda9855_volume,
1334 .bassfunc = tda9855_bass,
1335 .treblefunc = tda9855_treble,
1336
1337 .getmode = tda985x_getmode,
1338 .setmode = tda985x_setmode,
1339
1340 .init = { 12, { 0, 0x6f, 0x6f, 0x0e, 0x07<<1, 0x8<<2,
1341 TDA9855_MUTE | TDA9855_AVL | TDA9855_LOUD | TDA9855_INT,
1342 TDA985x_STEREO | TDA9855_LINEAR | TDA9855_TZCM | TDA9855_VZCM,
1343 0x07, 0x10, 0x10, 0x03 }}
1344 },
1345 {
1346 .name = "tea6300",
1347 .id = I2C_DRIVERID_TEA6300,
1348 .insmodopt = &tea6300,
1349 .addr_lo = I2C_ADDR_TEA6300 >> 1,
1350 .addr_hi = I2C_ADDR_TEA6300 >> 1,
1351 .registers = 6,
1352 .flags = CHIP_HAS_VOLUME | CHIP_HAS_BASSTREBLE | CHIP_HAS_INPUTSEL,
1353
1354 .leftreg = TEA6300_VR,
1355 .rightreg = TEA6300_VL,
1356 .bassreg = TEA6300_BA,
1357 .treblereg = TEA6300_TR,
1358 .volfunc = tea6300_shift10,
1359 .bassfunc = tea6300_shift12,
1360 .treblefunc = tea6300_shift12,
1361
1362 .inputreg = TEA6300_S,
1363 .inputmap = { TEA6300_S_SA, TEA6300_S_SB, TEA6300_S_SC },
1364 .inputmute = TEA6300_S_GMU,
1365 },
1366 {
1367 .name = "tea6320",
1368 .id = I2C_DRIVERID_TEA6300,
1369 .initialize = tea6320_initialize,
1370 .insmodopt = &tea6320,
1371 .addr_lo = I2C_ADDR_TEA6300 >> 1,
1372 .addr_hi = I2C_ADDR_TEA6300 >> 1,
1373 .registers = 8,
1374 .flags = CHIP_HAS_VOLUME | CHIP_HAS_BASSTREBLE | CHIP_HAS_INPUTSEL,
1375
1376 .leftreg = TEA6320_V,
1377 .rightreg = TEA6320_V,
1378 .bassreg = TEA6320_BA,
1379 .treblereg = TEA6320_TR,
1380 .volfunc = tea6320_volume,
1381 .bassfunc = tea6320_shift11,
1382 .treblefunc = tea6320_shift11,
1383
1384 .inputreg = TEA6320_S,
1385 .inputmap = { TEA6320_S_SA, TEA6420_S_SB, TEA6300_S_SC, TEA6320_S_SD },
1386 .inputmute = TEA6300_S_GMU,
1387 },
1388 {
1389 .name = "tea6420",
1390 .id = I2C_DRIVERID_TEA6420,
1391 .insmodopt = &tea6420,
1392 .addr_lo = I2C_ADDR_TEA6420 >> 1,
1393 .addr_hi = I2C_ADDR_TEA6420 >> 1,
1394 .registers = 1,
1395 .flags = CHIP_HAS_INPUTSEL,
1396
1397 .inputreg = -1,
1398 .inputmap = { TEA6420_S_SA, TEA6420_S_SB, TEA6420_S_SC },
1399 .inputmute = TEA6300_S_GMU,
1400 },
1401 {
1402 .name = "tda8425",
1403 .id = I2C_DRIVERID_TDA8425,
1404 .insmodopt = &tda8425,
1405 .addr_lo = I2C_ADDR_TDA8425 >> 1,
1406 .addr_hi = I2C_ADDR_TDA8425 >> 1,
1407 .registers = 9,
1408 .flags = CHIP_HAS_VOLUME | CHIP_HAS_BASSTREBLE | CHIP_HAS_INPUTSEL,
1409
1410 .leftreg = TDA8425_VL,
1411 .rightreg = TDA8425_VR,
1412 .bassreg = TDA8425_BA,
1413 .treblereg = TDA8425_TR,
1414 .volfunc = tda8425_shift10,
1415 .bassfunc = tda8425_shift12,
1416 .treblefunc = tda8425_shift12,
1417
1418 .inputreg = TDA8425_S1,
1419 .inputmap = { TDA8425_S1_CH1, TDA8425_S1_CH1, TDA8425_S1_CH1 },
1420 .inputmute = TDA8425_S1_OFF,
1421
1422 .setmode = tda8425_setmode,
1423 .initialize = tda8425_initialize,
1424 },
1425 {
1426 .name = "pic16c54 (PV951)",
1427 .id = I2C_DRIVERID_PIC16C54_PV9,
1428 .insmodopt = &pic16c54,
1429 .addr_lo = I2C_ADDR_PIC16C54 >> 1,
1430 .addr_hi = I2C_ADDR_PIC16C54>> 1,
1431 .registers = 2,
1432 .flags = CHIP_HAS_INPUTSEL,
1433
1434 .inputreg = PIC16C54_REG_MISC,
1435 .inputmap = {PIC16C54_MISC_SND_NOTMUTE|PIC16C54_MISC_SWITCH_TUNER,
1436 PIC16C54_MISC_SND_NOTMUTE|PIC16C54_MISC_SWITCH_LINE,
1437 PIC16C54_MISC_SND_NOTMUTE|PIC16C54_MISC_SWITCH_LINE,
1438 PIC16C54_MISC_SND_MUTE},
1439 .inputmute = PIC16C54_MISC_SND_MUTE,
1440 },
1441 {
1442 .name = "ta8874z",
1443 .id = -1,
1444 /*.id = I2C_DRIVERID_TA8874Z, */
1445 .checkit = ta8874z_checkit,
1446 .insmodopt = &ta8874z,
1447 .addr_lo = I2C_ADDR_TDA9840 >> 1,
1448 .addr_hi = I2C_ADDR_TDA9840 >> 1,
1449 .registers = 2,
1450
1451 .getmode = ta8874z_getmode,
1452 .setmode = ta8874z_setmode,
1453 .checkmode = generic_checkmode,
1454
1455 .init = {2, { TA8874Z_MONO_SET, TA8874Z_SEPARATION_DEFAULT}},
1456 },
1457 { .name = NULL } /* EOF */
1458 };
1459
1460
1461 /* ---------------------------------------------------------------------- */
1462 /* i2c registration */
1463
1464 static int chip_probe(struct i2c_client *client)
1465 {
1466 struct CHIPSTATE *chip;
1467 struct CHIPDESC *desc;
1468
1469 if (debug) {
1470 printk(KERN_INFO "tvaudio: TV audio decoder + audio/video mux driver\n");
1471 printk(KERN_INFO "tvaudio: known chips: ");
1472 for (desc = chiplist; desc->name != NULL; desc++)
1473 printk("%s%s", (desc == chiplist) ? "" : ", ", desc->name);
1474 printk("\n");
1475 }
1476
1477 chip = kzalloc(sizeof(*chip),GFP_KERNEL);
1478 if (!chip)
1479 return -ENOMEM;
1480 chip->c = client;
1481 i2c_set_clientdata(client, chip);
1482
1483 /* find description for the chip */
1484 v4l_dbg(1, debug, client, "chip found @ 0x%x\n", client->addr<<1);
1485 for (desc = chiplist; desc->name != NULL; desc++) {
1486 if (0 == *(desc->insmodopt))
1487 continue;
1488 if (client->addr < desc->addr_lo ||
1489 client->addr > desc->addr_hi)
1490 continue;
1491 if (desc->checkit && !desc->checkit(chip))
1492 continue;
1493 break;
1494 }
1495 if (desc->name == NULL) {
1496 v4l_dbg(1, debug, client, "no matching chip description found\n");
1497 return -EIO;
1498 }
1499 v4l_info(client, "%s found @ 0x%x (%s)\n", desc->name, client->addr<<1, client->adapter->name);
1500 if (desc->flags) {
1501 v4l_dbg(1, debug, client, "matches:%s%s%s.\n",
1502 (desc->flags & CHIP_HAS_VOLUME) ? " volume" : "",
1503 (desc->flags & CHIP_HAS_BASSTREBLE) ? " bass/treble" : "",
1504 (desc->flags & CHIP_HAS_INPUTSEL) ? " audiomux" : "");
1505 }
1506
1507 /* fill required data structures */
1508 strcpy(client->name, desc->name);
1509 chip->type = desc-chiplist;
1510 chip->shadow.count = desc->registers+1;
1511 chip->prevmode = -1;
1512 chip->audmode = V4L2_TUNER_MODE_LANG1;
1513
1514 /* initialization */
1515 if (desc->initialize != NULL)
1516 desc->initialize(chip);
1517 else
1518 chip_cmd(chip,"init",&desc->init);
1519
1520 if (desc->flags & CHIP_HAS_VOLUME) {
1521 chip->left = desc->leftinit ? desc->leftinit : 65535;
1522 chip->right = desc->rightinit ? desc->rightinit : 65535;
1523 chip_write(chip,desc->leftreg,desc->volfunc(chip->left));
1524 chip_write(chip,desc->rightreg,desc->volfunc(chip->right));
1525 }
1526 if (desc->flags & CHIP_HAS_BASSTREBLE) {
1527 chip->treble = desc->trebleinit ? desc->trebleinit : 32768;
1528 chip->bass = desc->bassinit ? desc->bassinit : 32768;
1529 chip_write(chip,desc->bassreg,desc->bassfunc(chip->bass));
1530 chip_write(chip,desc->treblereg,desc->treblefunc(chip->treble));
1531 }
1532
1533 chip->thread = NULL;
1534 if (desc->checkmode) {
1535 /* start async thread */
1536 init_timer(&chip->wt);
1537 chip->wt.function = chip_thread_wake;
1538 chip->wt.data = (unsigned long)chip;
1539 chip->thread = kthread_run(chip_thread, chip, chip->c->name);
1540 if (IS_ERR(chip->thread)) {
1541 v4l_warn(chip->c, "%s: failed to create kthread\n",
1542 chip->c->name);
1543 chip->thread = NULL;
1544 }
1545 }
1546 return 0;
1547 }
1548
1549 static int chip_remove(struct i2c_client *client)
1550 {
1551 struct CHIPSTATE *chip = i2c_get_clientdata(client);
1552
1553 del_timer_sync(&chip->wt);
1554 if (chip->thread) {
1555 /* shutdown async thread */
1556 kthread_stop(chip->thread);
1557 chip->thread = NULL;
1558 }
1559
1560 kfree(chip);
1561 return 0;
1562 }
1563
1564 static int tvaudio_get_ctrl(struct CHIPSTATE *chip,
1565 struct v4l2_control *ctrl)
1566 {
1567 struct CHIPDESC *desc = chiplist + chip->type;
1568
1569 switch (ctrl->id) {
1570 case V4L2_CID_AUDIO_MUTE:
1571 ctrl->value=chip->muted;
1572 return 0;
1573 case V4L2_CID_AUDIO_VOLUME:
1574 if (!(desc->flags & CHIP_HAS_VOLUME))
1575 break;
1576 ctrl->value = max(chip->left,chip->right);
1577 return 0;
1578 case V4L2_CID_AUDIO_BALANCE:
1579 {
1580 int volume;
1581 if (!(desc->flags & CHIP_HAS_VOLUME))
1582 break;
1583 volume = max(chip->left,chip->right);
1584 if (volume)
1585 ctrl->value=(32768*min(chip->left,chip->right))/volume;
1586 else
1587 ctrl->value=32768;
1588 return 0;
1589 }
1590 case V4L2_CID_AUDIO_BASS:
1591 if (desc->flags & CHIP_HAS_BASSTREBLE)
1592 break;
1593 ctrl->value = chip->bass;
1594 return 0;
1595 case V4L2_CID_AUDIO_TREBLE:
1596 if (desc->flags & CHIP_HAS_BASSTREBLE)
1597 return -EINVAL;
1598 ctrl->value = chip->treble;
1599 return 0;
1600 }
1601 return -EINVAL;
1602 }
1603
1604 static int tvaudio_set_ctrl(struct CHIPSTATE *chip,
1605 struct v4l2_control *ctrl)
1606 {
1607 struct CHIPDESC *desc = chiplist + chip->type;
1608
1609 switch (ctrl->id) {
1610 case V4L2_CID_AUDIO_MUTE:
1611 if (ctrl->value < 0 || ctrl->value >= 2)
1612 return -ERANGE;
1613 chip->muted = ctrl->value;
1614 if (chip->muted)
1615 chip_write_masked(chip,desc->inputreg,desc->inputmute,desc->inputmask);
1616 else
1617 chip_write_masked(chip,desc->inputreg,
1618 desc->inputmap[chip->input],desc->inputmask);
1619 return 0;
1620 case V4L2_CID_AUDIO_VOLUME:
1621 {
1622 int volume,balance;
1623
1624 if (!(desc->flags & CHIP_HAS_VOLUME))
1625 break;
1626
1627 volume = max(chip->left,chip->right);
1628 if (volume)
1629 balance=(32768*min(chip->left,chip->right))/volume;
1630 else
1631 balance=32768;
1632
1633 volume=ctrl->value;
1634 chip->left = (min(65536 - balance,32768) * volume) / 32768;
1635 chip->right = (min(balance,volume *(__u16)32768)) / 32768;
1636
1637 chip_write(chip,desc->leftreg,desc->volfunc(chip->left));
1638 chip_write(chip,desc->rightreg,desc->volfunc(chip->right));
1639
1640 return 0;
1641 }
1642 case V4L2_CID_AUDIO_BALANCE:
1643 {
1644 int volume, balance;
1645 if (!(desc->flags & CHIP_HAS_VOLUME))
1646 break;
1647
1648 volume = max(chip->left,chip->right);
1649 balance = ctrl->value;
1650
1651 chip_write(chip,desc->leftreg,desc->volfunc(chip->left));
1652 chip_write(chip,desc->rightreg,desc->volfunc(chip->right));
1653
1654 return 0;
1655 }
1656 case V4L2_CID_AUDIO_BASS:
1657 if (desc->flags & CHIP_HAS_BASSTREBLE)
1658 break;
1659 chip->bass = ctrl->value;
1660 chip_write(chip,desc->bassreg,desc->bassfunc(chip->bass));
1661
1662 return 0;
1663 case V4L2_CID_AUDIO_TREBLE:
1664 if (desc->flags & CHIP_HAS_BASSTREBLE)
1665 return -EINVAL;
1666
1667 chip->treble = ctrl->value;
1668 chip_write(chip,desc->treblereg,desc->treblefunc(chip->treble));
1669
1670 return 0;
1671 }
1672 return -EINVAL;
1673 }
1674
1675
1676 /* ---------------------------------------------------------------------- */
1677 /* video4linux interface */
1678
1679 static int chip_command(struct i2c_client *client,
1680 unsigned int cmd, void *arg)
1681 {
1682 struct CHIPSTATE *chip = i2c_get_clientdata(client);
1683 struct CHIPDESC *desc = chiplist + chip->type;
1684
1685 v4l_dbg(1, debug, chip->c, "%s: chip_command 0x%x\n", chip->c->name, cmd);
1686
1687 switch (cmd) {
1688 case AUDC_SET_RADIO:
1689 chip->radio = 1;
1690 chip->watch_stereo = 0;
1691 /* del_timer(&chip->wt); */
1692 break;
1693 /* --- v4l ioctls --- */
1694 /* take care: bttv does userspace copying, we'll get a
1695 kernel pointer here... */
1696 case VIDIOC_QUERYCTRL:
1697 {
1698 struct v4l2_queryctrl *qc = arg;
1699
1700 switch (qc->id) {
1701 case V4L2_CID_AUDIO_MUTE:
1702 break;
1703 case V4L2_CID_AUDIO_VOLUME:
1704 case V4L2_CID_AUDIO_BALANCE:
1705 if (!(desc->flags & CHIP_HAS_VOLUME))
1706 return -EINVAL;
1707 break;
1708 case V4L2_CID_AUDIO_BASS:
1709 case V4L2_CID_AUDIO_TREBLE:
1710 if (desc->flags & CHIP_HAS_BASSTREBLE)
1711 return -EINVAL;
1712 break;
1713 default:
1714 return -EINVAL;
1715 }
1716 return v4l2_ctrl_query_fill_std(qc);
1717 }
1718 case VIDIOC_S_CTRL:
1719 return tvaudio_set_ctrl(chip, arg);
1720
1721 case VIDIOC_G_CTRL:
1722 return tvaudio_get_ctrl(chip, arg);
1723 case VIDIOC_INT_G_AUDIO_ROUTING:
1724 {
1725 struct v4l2_routing *rt = arg;
1726
1727 rt->input = chip->input;
1728 rt->output = 0;
1729 break;
1730 }
1731 case VIDIOC_INT_S_AUDIO_ROUTING:
1732 {
1733 struct v4l2_routing *rt = arg;
1734
1735 if (!(desc->flags & CHIP_HAS_INPUTSEL) || rt->input >= 4)
1736 return -EINVAL;
1737 /* There are four inputs: tuner, radio, extern and intern. */
1738 chip->input = rt->input;
1739 if (chip->muted)
1740 break;
1741 chip_write_masked(chip, desc->inputreg,
1742 desc->inputmap[chip->input], desc->inputmask);
1743 break;
1744 }
1745 case VIDIOC_S_TUNER:
1746 {
1747 struct v4l2_tuner *vt = arg;
1748 int mode = 0;
1749
1750 if (chip->radio)
1751 break;
1752 switch (vt->audmode) {
1753 case V4L2_TUNER_MODE_MONO:
1754 case V4L2_TUNER_MODE_STEREO:
1755 case V4L2_TUNER_MODE_LANG1:
1756 case V4L2_TUNER_MODE_LANG2:
1757 mode = vt->audmode;
1758 break;
1759 case V4L2_TUNER_MODE_LANG1_LANG2:
1760 mode = V4L2_TUNER_MODE_STEREO;
1761 break;
1762 default:
1763 return -EINVAL;
1764 }
1765 chip->audmode = vt->audmode;
1766
1767 if (desc->setmode && mode) {
1768 chip->watch_stereo = 0;
1769 /* del_timer(&chip->wt); */
1770 chip->mode = mode;
1771 desc->setmode(chip, mode);
1772 }
1773 break;
1774 }
1775 case VIDIOC_G_TUNER:
1776 {
1777 struct v4l2_tuner *vt = arg;
1778 int mode = V4L2_TUNER_MODE_MONO;
1779
1780 if (chip->radio)
1781 break;
1782 vt->audmode = chip->audmode;
1783 vt->rxsubchans = 0;
1784 vt->capability = V4L2_TUNER_CAP_STEREO |
1785 V4L2_TUNER_CAP_LANG1 | V4L2_TUNER_CAP_LANG2;
1786
1787 if (desc->getmode)
1788 mode = desc->getmode(chip);
1789
1790 if (mode & V4L2_TUNER_MODE_MONO)
1791 vt->rxsubchans |= V4L2_TUNER_SUB_MONO;
1792 if (mode & V4L2_TUNER_MODE_STEREO)
1793 vt->rxsubchans |= V4L2_TUNER_SUB_STEREO;
1794 /* Note: for SAP it should be mono/lang2 or stereo/lang2.
1795 When this module is converted fully to v4l2, then this
1796 should change for those chips that can detect SAP. */
1797 if (mode & V4L2_TUNER_MODE_LANG1)
1798 vt->rxsubchans = V4L2_TUNER_SUB_LANG1 |
1799 V4L2_TUNER_SUB_LANG2;
1800 break;
1801 }
1802 case VIDIOC_S_STD:
1803 chip->radio = 0;
1804 break;
1805 case VIDIOC_S_FREQUENCY:
1806 chip->mode = 0; /* automatic */
1807 if (desc->checkmode) {
1808 desc->setmode(chip,V4L2_TUNER_MODE_MONO);
1809 if (chip->prevmode != V4L2_TUNER_MODE_MONO)
1810 chip->prevmode = -1; /* reset previous mode */
1811 mod_timer(&chip->wt, jiffies+msecs_to_jiffies(2000));
1812 /* the thread will call checkmode() later */
1813 }
1814 break;
1815
1816 case VIDIOC_G_CHIP_IDENT:
1817 return v4l2_chip_ident_i2c_client(client, arg, V4L2_IDENT_TVAUDIO, 0);
1818 }
1819 return 0;
1820 }
1821
1822 static int chip_legacy_probe(struct i2c_adapter *adap)
1823 {
1824 /* don't attach on saa7146 based cards,
1825 because dedicated drivers are used */
1826 if ((adap->id == I2C_HW_SAA7146))
1827 return 0;
1828 if (adap->class & I2C_CLASS_TV_ANALOG)
1829 return 1;
1830 return 0;
1831 }
1832
1833 static struct v4l2_i2c_driver_data v4l2_i2c_data = {
1834 .name = "tvaudio",
1835 .driverid = I2C_DRIVERID_TVAUDIO,
1836 .command = chip_command,
1837 .probe = chip_probe,
1838 .remove = chip_remove,
1839 .legacy_probe = chip_legacy_probe,
1840 };
1841
1842 /*
1843 * Local variables:
1844 * c-basic-offset: 8
1845 * End:
1846 */
WRT350N Kernel Patches