2 * Driver for simple i2c audio chips.
4 * Copyright (c) 2000 Gerd Knorr
6 * Eric Sandeen (eric_sandeen@bigfoot.com)
7 * Steve VanDeBogart (vandebo@uclink.berkeley.edu)
8 * Greg Alexander (galexand@acm.org)
10 * Copyright(c) 2005-2008 Mauro Carvalho Chehab
11 * - Some cleanups, code fixes, etc
12 * - Convert it to V4L2 API
14 * This code is placed under the terms of the GNU General Public License
17 * debug - set to 1 if you'd like to see debug messages
21 #include <linux/module.h>
22 #include <linux/kernel.h>
23 #include <linux/sched.h>
24 #include <linux/string.h>
25 #include <linux/timer.h>
26 #include <linux/delay.h>
27 #include <linux/errno.h>
28 #include <linux/slab.h>
29 #include <linux/videodev.h>
30 #include <linux/i2c.h>
31 #include <linux/init.h>
32 #include <linux/kthread.h>
33 #include <linux/freezer.h>
35 #include <media/tvaudio.h>
36 #include <media/v4l2-common.h>
37 #include <media/v4l2-chip-ident.h>
38 #include <media/v4l2-i2c-drv-legacy.h>
40 #include <media/i2c-addr.h>
42 /* ---------------------------------------------------------------------- */
45 static int debug; /* insmod parameter */
46 module_param(debug, int, 0644);
48 MODULE_DESCRIPTION("device driver for various i2c TV sound decoder / audiomux chips");
49 MODULE_AUTHOR("Eric Sandeen, Steve VanDeBogart, Greg Alexander, Gerd Knorr");
50 MODULE_LICENSE("GPL");
54 /* ---------------------------------------------------------------------- */
60 typedef int (*getvalue)(int);
61 typedef int (*checkit)(struct CHIPSTATE*);
62 typedef int (*initialize)(struct CHIPSTATE*);
63 typedef int (*getmode)(struct CHIPSTATE*);
64 typedef void (*setmode)(struct CHIPSTATE*, int mode);
67 typedef struct AUDIOCMD {
68 int count; /* # of bytes to send */
69 unsigned char bytes[MAXREGS+1]; /* addr, data, data, ... */
72 /* chip description */
74 char *name; /* chip name */
75 int addr_lo, addr_hi; /* i2c address range */
76 int registers; /* # of registers */
80 initialize initialize;
82 #define CHIP_HAS_VOLUME 1
83 #define CHIP_HAS_BASSTREBLE 2
84 #define CHIP_HAS_INPUTSEL 4
85 #define CHIP_NEED_CHECKMODE 8
87 /* various i2c command sequences */
90 /* which register has which value */
91 int leftreg,rightreg,treblereg,bassreg;
93 /* initialize with (defaults to 65535/65535/32768/32768 */
94 int leftinit,rightinit,trebleinit,bassinit;
96 /* functions to convert the values (v4l -> chip) */
97 getvalue volfunc,treblefunc,bassfunc;
103 /* input switch register + values for v4l inputs */
109 static struct CHIPDESC chiplist[];
111 /* current state of the chip */
113 struct i2c_client *c;
115 /* index into CHIPDESC array */
118 /* shadow register set */
121 /* current settings */
122 __u16 left,right,treble,bass,muted,mode;
128 struct task_struct *thread;
129 struct timer_list wt;
134 /* ---------------------------------------------------------------------- */
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,
149 /* ---------------------------------------------------------------------- */
150 /* i2c I/O functions */
152 static int chip_write(struct CHIPSTATE *chip, int subaddr, int val)
154 unsigned char buffer[2];
157 v4l_dbg(1, debug, chip->c, "%s: chip_write: 0x%x\n",
159 chip->shadow.bytes[1] = val;
161 if (1 != i2c_master_send(chip->c,buffer,1)) {
162 v4l_warn(chip->c, "%s: I/O error (write 0x%x)\n",
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;
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);
181 static int chip_write_masked(struct CHIPSTATE *chip, int subaddr, int val, int mask)
185 val = (chip->shadow.bytes[1] & ~mask) | (val & mask);
187 val = (chip->shadow.bytes[subaddr+1] & ~mask) | (val & mask);
190 return chip_write(chip, subaddr, val);
193 static int chip_read(struct CHIPSTATE *chip)
195 unsigned char buffer;
197 if (1 != i2c_master_recv(chip->c,&buffer,1)) {
198 v4l_warn(chip->c, "%s: I/O error (read)\n",
202 v4l_dbg(1, debug, chip->c, "%s: chip_read: 0x%x\n",chip->c->name, buffer);
206 static int chip_read2(struct CHIPSTATE *chip, int subaddr)
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 }
216 if (2 != i2c_transfer(chip->c->adapter,msgs,2)) {
217 v4l_warn(chip->c, "%s: I/O error (read2)\n", chip->c->name);
220 v4l_dbg(1, debug, chip->c, "%s: chip_read2: reg%d=0x%x\n",
221 chip->c->name, subaddr,read[0]);
225 static int chip_cmd(struct CHIPSTATE *chip, char *name, audiocmd *cmd)
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++) {
237 printk(" 0x%x",cmd->bytes[i]);
238 chip->shadow.bytes[i+cmd->bytes[0]] = cmd->bytes[i];
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);
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
258 static void chip_thread_wake(unsigned long data)
260 struct CHIPSTATE *chip = (struct CHIPSTATE*)data;
261 wake_up_process(chip->thread);
264 static int chip_thread(void *data)
266 struct CHIPSTATE *chip = data;
267 struct CHIPDESC *desc = chiplist + chip->type;
270 v4l_dbg(1, debug, chip->c, "%s: thread started\n", chip->c->name);
273 set_current_state(TASK_INTERRUPTIBLE);
274 if (!kthread_should_stop())
276 set_current_state(TASK_RUNNING);
278 if (kthread_should_stop())
280 v4l_dbg(1, debug, chip->c, "%s: thread wakeup\n", chip->c->name);
282 /* don't do anything for radio or if mode != auto */
283 if (chip->radio || chip->mode != 0)
286 /* have a look what's going on */
287 mode = desc->getmode(chip);
288 if (mode == chip->prevmode)
291 /* chip detected a new audio mode - set it */
292 v4l_dbg(1, debug, chip->c, "%s: thread checkmode\n",
295 chip->prevmode = mode;
297 if (mode & V4L2_TUNER_MODE_STEREO)
298 desc->setmode(chip, V4L2_TUNER_MODE_STEREO);
299 if (mode & V4L2_TUNER_MODE_LANG1_LANG2)
300 desc->setmode(chip, V4L2_TUNER_MODE_STEREO);
301 else if (mode & V4L2_TUNER_MODE_LANG1)
302 desc->setmode(chip, V4L2_TUNER_MODE_LANG1);
303 else if (mode & V4L2_TUNER_MODE_LANG2)
304 desc->setmode(chip, V4L2_TUNER_MODE_LANG2);
306 desc->setmode(chip, V4L2_TUNER_MODE_MONO);
308 /* schedule next check */
309 mod_timer(&chip->wt, jiffies+msecs_to_jiffies(2000));
312 v4l_dbg(1, debug, chip->c, "%s: thread exiting\n", chip->c->name);
316 /* ---------------------------------------------------------------------- */
317 /* audio chip descriptions - defines+functions for tda9840 */
319 #define TDA9840_SW 0x00
320 #define TDA9840_LVADJ 0x02
321 #define TDA9840_STADJ 0x03
322 #define TDA9840_TEST 0x04
324 #define TDA9840_MONO 0x10
325 #define TDA9840_STEREO 0x2a
326 #define TDA9840_DUALA 0x12
327 #define TDA9840_DUALB 0x1e
328 #define TDA9840_DUALAB 0x1a
329 #define TDA9840_DUALBA 0x16
330 #define TDA9840_EXTERNAL 0x7a
332 #define TDA9840_DS_DUAL 0x20 /* Dual sound identified */
333 #define TDA9840_ST_STEREO 0x40 /* Stereo sound identified */
334 #define TDA9840_PONRES 0x80 /* Power-on reset detected if = 1 */
336 #define TDA9840_TEST_INT1SN 0x1 /* Integration time 0.5s when set */
337 #define TDA9840_TEST_INTFU 0x02 /* Disables integrator function */
339 static int tda9840_getmode(struct CHIPSTATE *chip)
343 val = chip_read(chip);
344 mode = V4L2_TUNER_MODE_MONO;
345 if (val & TDA9840_DS_DUAL)
346 mode |= V4L2_TUNER_MODE_LANG1 | V4L2_TUNER_MODE_LANG2;
347 if (val & TDA9840_ST_STEREO)
348 mode |= V4L2_TUNER_MODE_STEREO;
350 v4l_dbg(1, debug, chip->c, "tda9840_getmode(): raw chip read: %d, return: %d\n",
355 static void tda9840_setmode(struct CHIPSTATE *chip, int mode)
358 int t = chip->shadow.bytes[TDA9840_SW + 1] & ~0x7e;
361 case V4L2_TUNER_MODE_MONO:
364 case V4L2_TUNER_MODE_STEREO:
367 case V4L2_TUNER_MODE_LANG1:
370 case V4L2_TUNER_MODE_LANG2:
378 chip_write(chip, TDA9840_SW, t);
381 static int tda9840_checkit(struct CHIPSTATE *chip)
384 rc = chip_read(chip);
385 /* lower 5 bits should be 0 */
386 return ((rc & 0x1f) == 0) ? 1 : 0;
389 /* ---------------------------------------------------------------------- */
390 /* audio chip descriptions - defines+functions for tda985x */
392 /* subaddresses for TDA9855 */
393 #define TDA9855_VR 0x00 /* Volume, right */
394 #define TDA9855_VL 0x01 /* Volume, left */
395 #define TDA9855_BA 0x02 /* Bass */
396 #define TDA9855_TR 0x03 /* Treble */
397 #define TDA9855_SW 0x04 /* Subwoofer - not connected on DTV2000 */
399 /* subaddresses for TDA9850 */
400 #define TDA9850_C4 0x04 /* Control 1 for TDA9850 */
402 /* subaddesses for both chips */
403 #define TDA985x_C5 0x05 /* Control 2 for TDA9850, Control 1 for TDA9855 */
404 #define TDA985x_C6 0x06 /* Control 3 for TDA9850, Control 2 for TDA9855 */
405 #define TDA985x_C7 0x07 /* Control 4 for TDA9850, Control 3 for TDA9855 */
406 #define TDA985x_A1 0x08 /* Alignment 1 for both chips */
407 #define TDA985x_A2 0x09 /* Alignment 2 for both chips */
408 #define TDA985x_A3 0x0a /* Alignment 3 for both chips */
410 /* Masks for bits in TDA9855 subaddresses */
411 /* 0x00 - VR in TDA9855 */
412 /* 0x01 - VL in TDA9855 */
413 /* lower 7 bits control gain from -71dB (0x28) to 16dB (0x7f)
414 * in 1dB steps - mute is 0x27 */
417 /* 0x02 - BA in TDA9855 */
418 /* lower 5 bits control bass gain from -12dB (0x06) to 16.5dB (0x19)
419 * in .5dB steps - 0 is 0x0E */
422 /* 0x03 - TR in TDA9855 */
423 /* 4 bits << 1 control treble gain from -12dB (0x3) to 12dB (0xb)
424 * in 3dB steps - 0 is 0x7 */
426 /* Masks for bits in both chips' subaddresses */
427 /* 0x04 - SW in TDA9855, C4/Control 1 in TDA9850 */
428 /* Unique to TDA9855: */
429 /* 4 bits << 2 control subwoofer/surround gain from -14db (0x1) to 14db (0xf)
430 * in 3dB steps - mute is 0x0 */
432 /* Unique to TDA9850: */
433 /* lower 4 bits control stereo noise threshold, over which stereo turns off
434 * set to values of 0x00 through 0x0f for Ster1 through Ster16 */
437 /* 0x05 - C5 - Control 1 in TDA9855 , Control 2 in TDA9850*/
438 /* Unique to TDA9855: */
439 #define TDA9855_MUTE 1<<7 /* GMU, Mute at outputs */
440 #define TDA9855_AVL 1<<6 /* AVL, Automatic Volume Level */
441 #define TDA9855_LOUD 1<<5 /* Loudness, 1==off */
442 #define TDA9855_SUR 1<<3 /* Surround / Subwoofer 1==.5(L-R) 0==.5(L+R) */
443 /* Bits 0 to 3 select various combinations
444 * of line in and line out, only the
445 * interesting ones are defined */
446 #define TDA9855_EXT 1<<2 /* Selects inputs LIR and LIL. Pins 41 & 12 */
447 #define TDA9855_INT 0 /* Selects inputs LOR and LOL. (internal) */
449 /* Unique to TDA9850: */
450 /* lower 4 bits contol SAP noise threshold, over which SAP turns off
451 * set to values of 0x00 through 0x0f for SAP1 through SAP16 */
454 /* 0x06 - C6 - Control 2 in TDA9855, Control 3 in TDA9850 */
455 /* Common to TDA9855 and TDA9850: */
456 #define TDA985x_SAP 3<<6 /* Selects SAP output, mute if not received */
457 #define TDA985x_STEREO 1<<6 /* Selects Stereo ouput, mono if not received */
458 #define TDA985x_MONO 0 /* Forces Mono output */
459 #define TDA985x_LMU 1<<3 /* Mute (LOR/LOL for 9855, OUTL/OUTR for 9850) */
461 /* Unique to TDA9855: */
462 #define TDA9855_TZCM 1<<5 /* If set, don't mute till zero crossing */
463 #define TDA9855_VZCM 1<<4 /* If set, don't change volume till zero crossing*/
464 #define TDA9855_LINEAR 0 /* Linear Stereo */
465 #define TDA9855_PSEUDO 1 /* Pseudo Stereo */
466 #define TDA9855_SPAT_30 2 /* Spatial Stereo, 30% anti-phase crosstalk */
467 #define TDA9855_SPAT_50 3 /* Spatial Stereo, 52% anti-phase crosstalk */
468 #define TDA9855_E_MONO 7 /* Forced mono - mono select elseware, so useless*/
470 /* 0x07 - C7 - Control 3 in TDA9855, Control 4 in TDA9850 */
471 /* Common to both TDA9855 and TDA9850: */
472 /* lower 4 bits control input gain from -3.5dB (0x0) to 4dB (0xF)
473 * in .5dB steps - 0dB is 0x7 */
475 /* 0x08, 0x09 - A1 and A2 (read/write) */
476 /* Common to both TDA9855 and TDA9850: */
477 /* lower 5 bites are wideband and spectral expander alignment
478 * from 0x00 to 0x1f - nominal at 0x0f and 0x10 (read/write) */
479 #define TDA985x_STP 1<<5 /* Stereo Pilot/detect (read-only) */
480 #define TDA985x_SAPP 1<<6 /* SAP Pilot/detect (read-only) */
481 #define TDA985x_STS 1<<7 /* Stereo trigger 1= <35mV 0= <30mV (write-only)*/
484 /* Common to both TDA9855 and TDA9850: */
485 /* lower 3 bits control timing current for alignment: -30% (0x0), -20% (0x1),
486 * -10% (0x2), nominal (0x3), +10% (0x6), +20% (0x5), +30% (0x4) */
487 #define TDA985x_ADJ 1<<7 /* Stereo adjust on/off (wideband and spectral */
489 static int tda9855_volume(int val) { return val/0x2e8+0x27; }
490 static int tda9855_bass(int val) { return val/0xccc+0x06; }
491 static int tda9855_treble(int val) { return (val/0x1c71+0x3)<<1; }
493 static int tda985x_getmode(struct CHIPSTATE *chip)
497 mode = ((TDA985x_STP | TDA985x_SAPP) &
498 chip_read(chip)) >> 4;
499 /* Add mono mode regardless of SAP and stereo */
500 /* Allows forced mono */
501 return mode | V4L2_TUNER_MODE_MONO;
504 static void tda985x_setmode(struct CHIPSTATE *chip, int mode)
507 int c6 = chip->shadow.bytes[TDA985x_C6+1] & 0x3f;
510 case V4L2_TUNER_MODE_MONO:
513 case V4L2_TUNER_MODE_STEREO:
514 c6 |= TDA985x_STEREO;
516 case V4L2_TUNER_MODE_LANG1:
523 chip_write(chip,TDA985x_C6,c6);
527 /* ---------------------------------------------------------------------- */
528 /* audio chip descriptions - defines+functions for tda9873h */
530 /* Subaddresses for TDA9873H */
532 #define TDA9873_SW 0x00 /* Switching */
533 #define TDA9873_AD 0x01 /* Adjust */
534 #define TDA9873_PT 0x02 /* Port */
536 /* Subaddress 0x00: Switching Data
539 * B1, B0: Input source selection
541 * 1, 0 external stereo
544 #define TDA9873_INP_MASK 3
545 #define TDA9873_INTERNAL 0
546 #define TDA9873_EXT_STEREO 2
547 #define TDA9873_EXT_MONO 1
549 /* B3, B2: output signal select
550 * B4 : transmission mode
553 * 1, 1, 1 Stereo (reversed channel)
560 #define TDA9873_TR_MASK (7 << 2)
561 #define TDA9873_TR_MONO 4
562 #define TDA9873_TR_STEREO 1 << 4
563 #define TDA9873_TR_REVERSE (1 << 3) & (1 << 2)
564 #define TDA9873_TR_DUALA 1 << 2
565 #define TDA9873_TR_DUALB 1 << 3
567 /* output level controls
568 * B5: output level switch (0 = reduced gain, 1 = normal gain)
569 * B6: mute (1 = muted)
570 * B7: auto-mute (1 = auto-mute enabled)
573 #define TDA9873_GAIN_NORMAL 1 << 5
574 #define TDA9873_MUTE 1 << 6
575 #define TDA9873_AUTOMUTE 1 << 7
577 /* Subaddress 0x01: Adjust/standard */
579 /* Lower 4 bits (C3..C0) control stereo adjustment on R channel (-0.6 - +0.7 dB)
580 * Recommended value is +0 dB
583 #define TDA9873_STEREO_ADJ 0x06 /* 0dB gain */
585 /* Bits C6..C4 control FM stantard
587 * 0, 0, 0 B/G (PAL FM)
596 #define TDA9873_DK1 2
597 #define TDA9873_DK2 3
598 #define TDA9873_DK3 4
601 /* C7 controls identification response time (1=fast/0=normal)
603 #define TDA9873_IDR_NORM 0
604 #define TDA9873_IDR_FAST 1 << 7
607 /* Subaddress 0x02: Port data */
609 /* E1, E0 free programmable ports P1/P2
616 #define TDA9873_PORTS 3
619 #define TDA9873_TST_PORT 1 << 2
621 /* E5..E3 control mono output channel (together with transmission mode bit B4)
626 * 0 1 0 1 mono (from stereo decoder)
628 #define TDA9873_MOUT_MONO 0
629 #define TDA9873_MOUT_FMONO 0
630 #define TDA9873_MOUT_DUALA 0
631 #define TDA9873_MOUT_DUALB 1 << 3
632 #define TDA9873_MOUT_ST 1 << 4
633 #define TDA9873_MOUT_EXTM (1 << 4 ) & (1 << 3)
634 #define TDA9873_MOUT_EXTL 1 << 5
635 #define TDA9873_MOUT_EXTR (1 << 5 ) & (1 << 3)
636 #define TDA9873_MOUT_EXTLR (1 << 5 ) & (1 << 4)
637 #define TDA9873_MOUT_MUTE (1 << 5 ) & (1 << 4) & (1 << 3)
639 /* Status bits: (chip read) */
640 #define TDA9873_PONR 0 /* Power-on reset detected if = 1 */
641 #define TDA9873_STEREO 2 /* Stereo sound is identified */
642 #define TDA9873_DUAL 4 /* Dual sound is identified */
644 static int tda9873_getmode(struct CHIPSTATE *chip)
648 val = chip_read(chip);
649 mode = V4L2_TUNER_MODE_MONO;
650 if (val & TDA9873_STEREO)
651 mode |= V4L2_TUNER_MODE_STEREO;
652 if (val & TDA9873_DUAL)
653 mode |= V4L2_TUNER_MODE_LANG1 | V4L2_TUNER_MODE_LANG2;
654 v4l_dbg(1, debug, chip->c, "tda9873_getmode(): raw chip read: %d, return: %d\n",
659 static void tda9873_setmode(struct CHIPSTATE *chip, int mode)
661 int sw_data = chip->shadow.bytes[TDA9873_SW+1] & ~ TDA9873_TR_MASK;
662 /* int adj_data = chip->shadow.bytes[TDA9873_AD+1] ; */
664 if ((sw_data & TDA9873_INP_MASK) != TDA9873_INTERNAL) {
665 v4l_dbg(1, debug, chip->c, "tda9873_setmode(): external input\n");
669 v4l_dbg(1, debug, chip->c, "tda9873_setmode(): chip->shadow.bytes[%d] = %d\n", TDA9873_SW+1, chip->shadow.bytes[TDA9873_SW+1]);
670 v4l_dbg(1, debug, chip->c, "tda9873_setmode(): sw_data = %d\n", sw_data);
673 case V4L2_TUNER_MODE_MONO:
674 sw_data |= TDA9873_TR_MONO;
676 case V4L2_TUNER_MODE_STEREO:
677 sw_data |= TDA9873_TR_STEREO;
679 case V4L2_TUNER_MODE_LANG1:
680 sw_data |= TDA9873_TR_DUALA;
682 case V4L2_TUNER_MODE_LANG2:
683 sw_data |= TDA9873_TR_DUALB;
690 chip_write(chip, TDA9873_SW, sw_data);
691 v4l_dbg(1, debug, chip->c, "tda9873_setmode(): req. mode %d; chip_write: %d\n",
695 static int tda9873_checkit(struct CHIPSTATE *chip)
699 if (-1 == (rc = chip_read2(chip,254)))
701 return (rc & ~0x1f) == 0x80;
705 /* ---------------------------------------------------------------------- */
706 /* audio chip description - defines+functions for tda9874h and tda9874a */
707 /* Dariusz Kowalewski <darekk@automex.pl> */
709 /* Subaddresses for TDA9874H and TDA9874A (slave rx) */
710 #define TDA9874A_AGCGR 0x00 /* AGC gain */
711 #define TDA9874A_GCONR 0x01 /* general config */
712 #define TDA9874A_MSR 0x02 /* monitor select */
713 #define TDA9874A_C1FRA 0x03 /* carrier 1 freq. */
714 #define TDA9874A_C1FRB 0x04 /* carrier 1 freq. */
715 #define TDA9874A_C1FRC 0x05 /* carrier 1 freq. */
716 #define TDA9874A_C2FRA 0x06 /* carrier 2 freq. */
717 #define TDA9874A_C2FRB 0x07 /* carrier 2 freq. */
718 #define TDA9874A_C2FRC 0x08 /* carrier 2 freq. */
719 #define TDA9874A_DCR 0x09 /* demodulator config */
720 #define TDA9874A_FMER 0x0a /* FM de-emphasis */
721 #define TDA9874A_FMMR 0x0b /* FM dematrix */
722 #define TDA9874A_C1OLAR 0x0c /* ch.1 output level adj. */
723 #define TDA9874A_C2OLAR 0x0d /* ch.2 output level adj. */
724 #define TDA9874A_NCONR 0x0e /* NICAM config */
725 #define TDA9874A_NOLAR 0x0f /* NICAM output level adj. */
726 #define TDA9874A_NLELR 0x10 /* NICAM lower error limit */
727 #define TDA9874A_NUELR 0x11 /* NICAM upper error limit */
728 #define TDA9874A_AMCONR 0x12 /* audio mute control */
729 #define TDA9874A_SDACOSR 0x13 /* stereo DAC output select */
730 #define TDA9874A_AOSR 0x14 /* analog output select */
731 #define TDA9874A_DAICONR 0x15 /* digital audio interface config */
732 #define TDA9874A_I2SOSR 0x16 /* I2S-bus output select */
733 #define TDA9874A_I2SOLAR 0x17 /* I2S-bus output level adj. */
734 #define TDA9874A_MDACOSR 0x18 /* mono DAC output select (tda9874a) */
735 #define TDA9874A_ESP 0xFF /* easy standard progr. (tda9874a) */
737 /* Subaddresses for TDA9874H and TDA9874A (slave tx) */
738 #define TDA9874A_DSR 0x00 /* device status */
739 #define TDA9874A_NSR 0x01 /* NICAM status */
740 #define TDA9874A_NECR 0x02 /* NICAM error count */
741 #define TDA9874A_DR1 0x03 /* add. data LSB */
742 #define TDA9874A_DR2 0x04 /* add. data MSB */
743 #define TDA9874A_LLRA 0x05 /* monitor level read-out LSB */
744 #define TDA9874A_LLRB 0x06 /* monitor level read-out MSB */
745 #define TDA9874A_SIFLR 0x07 /* SIF level */
746 #define TDA9874A_TR2 252 /* test reg. 2 */
747 #define TDA9874A_TR1 253 /* test reg. 1 */
748 #define TDA9874A_DIC 254 /* device id. code */
749 #define TDA9874A_SIC 255 /* software id. code */
752 static int tda9874a_mode = 1; /* 0: A2, 1: NICAM */
753 static int tda9874a_GCONR = 0xc0; /* default config. input pin: SIFSEL=0 */
754 static int tda9874a_NCONR = 0x01; /* default NICAM config.: AMSEL=0,AMUTE=1 */
755 static int tda9874a_ESP = 0x07; /* default standard: NICAM D/K */
756 static int tda9874a_dic = -1; /* device id. code */
758 /* insmod options for tda9874a */
759 static unsigned int tda9874a_SIF = UNSET;
760 static unsigned int tda9874a_AMSEL = UNSET;
761 static unsigned int tda9874a_STD = UNSET;
762 module_param(tda9874a_SIF, int, 0444);
763 module_param(tda9874a_AMSEL, int, 0444);
764 module_param(tda9874a_STD, int, 0444);
767 * initialization table for tda9874 decoder:
768 * - carrier 1 freq. registers (3 bytes)
769 * - carrier 2 freq. registers (3 bytes)
770 * - demudulator config register
771 * - FM de-emphasis register (slow identification mode)
772 * Note: frequency registers must be written in single i2c transfer.
774 static struct tda9874a_MODES {
777 } tda9874a_modelist[9] = {
778 { "A2, B/G", /* default */
779 { 9, { TDA9874A_C1FRA, 0x72,0x95,0x55, 0x77,0xA0,0x00, 0x00,0x00 }} },
781 { 9, { TDA9874A_C1FRA, 0x5D,0xC0,0x00, 0x62,0x6A,0xAA, 0x20,0x22 }} },
783 { 9, { TDA9874A_C1FRA, 0x87,0x6A,0xAA, 0x82,0x60,0x00, 0x00,0x00 }} },
785 { 9, { TDA9874A_C1FRA, 0x87,0x6A,0xAA, 0x8C,0x75,0x55, 0x00,0x00 }} },
787 { 9, { TDA9874A_C1FRA, 0x87,0x6A,0xAA, 0x77,0xA0,0x00, 0x00,0x00 }} },
789 { 9, { TDA9874A_C1FRA, 0x7D,0x00,0x00, 0x88,0x8A,0xAA, 0x08,0x33 }} },
791 { 9, { TDA9874A_C1FRA, 0x72,0x95,0x55, 0x79,0xEA,0xAA, 0x08,0x33 }} },
793 { 9, { TDA9874A_C1FRA, 0x87,0x6A,0xAA, 0x79,0xEA,0xAA, 0x08,0x33 }} },
795 { 9, { TDA9874A_C1FRA, 0x87,0x6A,0xAA, 0x79,0xEA,0xAA, 0x09,0x33 }} }
798 static int tda9874a_setup(struct CHIPSTATE *chip)
800 chip_write(chip, TDA9874A_AGCGR, 0x00); /* 0 dB */
801 chip_write(chip, TDA9874A_GCONR, tda9874a_GCONR);
802 chip_write(chip, TDA9874A_MSR, (tda9874a_mode) ? 0x03:0x02);
803 if(tda9874a_dic == 0x11) {
804 chip_write(chip, TDA9874A_FMMR, 0x80);
805 } else { /* dic == 0x07 */
806 chip_cmd(chip,"tda9874_modelist",&tda9874a_modelist[tda9874a_STD].cmd);
807 chip_write(chip, TDA9874A_FMMR, 0x00);
809 chip_write(chip, TDA9874A_C1OLAR, 0x00); /* 0 dB */
810 chip_write(chip, TDA9874A_C2OLAR, 0x00); /* 0 dB */
811 chip_write(chip, TDA9874A_NCONR, tda9874a_NCONR);
812 chip_write(chip, TDA9874A_NOLAR, 0x00); /* 0 dB */
813 /* Note: If signal quality is poor you may want to change NICAM */
814 /* error limit registers (NLELR and NUELR) to some greater values. */
815 /* Then the sound would remain stereo, but won't be so clear. */
816 chip_write(chip, TDA9874A_NLELR, 0x14); /* default */
817 chip_write(chip, TDA9874A_NUELR, 0x50); /* default */
819 if(tda9874a_dic == 0x11) {
820 chip_write(chip, TDA9874A_AMCONR, 0xf9);
821 chip_write(chip, TDA9874A_SDACOSR, (tda9874a_mode) ? 0x81:0x80);
822 chip_write(chip, TDA9874A_AOSR, 0x80);
823 chip_write(chip, TDA9874A_MDACOSR, (tda9874a_mode) ? 0x82:0x80);
824 chip_write(chip, TDA9874A_ESP, tda9874a_ESP);
825 } else { /* dic == 0x07 */
826 chip_write(chip, TDA9874A_AMCONR, 0xfb);
827 chip_write(chip, TDA9874A_SDACOSR, (tda9874a_mode) ? 0x81:0x80);
828 chip_write(chip, TDA9874A_AOSR, 0x00); /* or 0x10 */
830 v4l_dbg(1, debug, chip->c, "tda9874a_setup(): %s [0x%02X].\n",
831 tda9874a_modelist[tda9874a_STD].name,tda9874a_STD);
835 static int tda9874a_getmode(struct CHIPSTATE *chip)
838 int necr; /* just for debugging */
840 mode = V4L2_TUNER_MODE_MONO;
842 if(-1 == (dsr = chip_read2(chip,TDA9874A_DSR)))
844 if(-1 == (nsr = chip_read2(chip,TDA9874A_NSR)))
846 if(-1 == (necr = chip_read2(chip,TDA9874A_NECR)))
849 /* need to store dsr/nsr somewhere */
850 chip->shadow.bytes[MAXREGS-2] = dsr;
851 chip->shadow.bytes[MAXREGS-1] = nsr;
854 /* Note: DSR.RSSF and DSR.AMSTAT bits are also checked.
855 * If NICAM auto-muting is enabled, DSR.AMSTAT=1 indicates
856 * that sound has (temporarily) switched from NICAM to
857 * mono FM (or AM) on 1st sound carrier due to high NICAM bit
858 * error count. So in fact there is no stereo in this case :-(
859 * But changing the mode to V4L2_TUNER_MODE_MONO would switch
860 * external 4052 multiplexer in audio_hook().
862 if(nsr & 0x02) /* NSR.S/MB=1 */
863 mode |= V4L2_TUNER_MODE_STEREO;
864 if(nsr & 0x01) /* NSR.D/SB=1 */
865 mode |= V4L2_TUNER_MODE_LANG1 | V4L2_TUNER_MODE_LANG2;
867 if(dsr & 0x02) /* DSR.IDSTE=1 */
868 mode |= V4L2_TUNER_MODE_STEREO;
869 if(dsr & 0x04) /* DSR.IDDUA=1 */
870 mode |= V4L2_TUNER_MODE_LANG1 | V4L2_TUNER_MODE_LANG2;
873 v4l_dbg(1, debug, chip->c, "tda9874a_getmode(): DSR=0x%X, NSR=0x%X, NECR=0x%X, return: %d.\n",
874 dsr, nsr, necr, mode);
878 static void tda9874a_setmode(struct CHIPSTATE *chip, int mode)
880 /* Disable/enable NICAM auto-muting (based on DSR.RSSF status bit). */
881 /* If auto-muting is disabled, we can hear a signal of degrading quality. */
883 if(chip->shadow.bytes[MAXREGS-2] & 0x20) /* DSR.RSSF=1 */
884 tda9874a_NCONR &= 0xfe; /* enable */
886 tda9874a_NCONR |= 0x01; /* disable */
887 chip_write(chip, TDA9874A_NCONR, tda9874a_NCONR);
890 /* Note: TDA9874A supports automatic FM dematrixing (FMMR register)
891 * and has auto-select function for audio output (AOSR register).
892 * Old TDA9874H doesn't support these features.
893 * TDA9874A also has additional mono output pin (OUTM), which
894 * on same (all?) tv-cards is not used, anyway (as well as MONOIN).
896 if(tda9874a_dic == 0x11) {
898 int mdacosr = (tda9874a_mode) ? 0x82:0x80;
901 case V4L2_TUNER_MODE_MONO:
902 case V4L2_TUNER_MODE_STEREO:
904 case V4L2_TUNER_MODE_LANG1:
905 aosr = 0x80; /* auto-select, dual A/A */
906 mdacosr = (tda9874a_mode) ? 0x82:0x80;
908 case V4L2_TUNER_MODE_LANG2:
909 aosr = 0xa0; /* auto-select, dual B/B */
910 mdacosr = (tda9874a_mode) ? 0x83:0x81;
916 chip_write(chip, TDA9874A_AOSR, aosr);
917 chip_write(chip, TDA9874A_MDACOSR, mdacosr);
919 v4l_dbg(1, debug, chip->c, "tda9874a_setmode(): req. mode %d; AOSR=0x%X, MDACOSR=0x%X.\n",
920 mode, aosr, mdacosr);
922 } else { /* dic == 0x07 */
926 case V4L2_TUNER_MODE_MONO:
927 fmmr = 0x00; /* mono */
928 aosr = 0x10; /* A/A */
930 case V4L2_TUNER_MODE_STEREO:
933 aosr = 0x00; /* handled by NICAM auto-mute */
935 fmmr = (tda9874a_ESP == 1) ? 0x05 : 0x04; /* stereo */
939 case V4L2_TUNER_MODE_LANG1:
940 fmmr = 0x02; /* dual */
941 aosr = 0x10; /* dual A/A */
943 case V4L2_TUNER_MODE_LANG2:
944 fmmr = 0x02; /* dual */
945 aosr = 0x20; /* dual B/B */
951 chip_write(chip, TDA9874A_FMMR, fmmr);
952 chip_write(chip, TDA9874A_AOSR, aosr);
954 v4l_dbg(1, debug, chip->c, "tda9874a_setmode(): req. mode %d; FMMR=0x%X, AOSR=0x%X.\n",
959 static int tda9874a_checkit(struct CHIPSTATE *chip)
961 int dic,sic; /* device id. and software id. codes */
963 if(-1 == (dic = chip_read2(chip,TDA9874A_DIC)))
965 if(-1 == (sic = chip_read2(chip,TDA9874A_SIC)))
968 v4l_dbg(1, debug, chip->c, "tda9874a_checkit(): DIC=0x%X, SIC=0x%X.\n", dic, sic);
970 if((dic == 0x11)||(dic == 0x07)) {
971 v4l_info(chip->c, "found tda9874%s.\n", (dic == 0x11) ? "a":"h");
972 tda9874a_dic = dic; /* remember device id. */
975 return 0; /* not found */
978 static int tda9874a_initialize(struct CHIPSTATE *chip)
980 if (tda9874a_SIF > 2)
982 if (tda9874a_STD >= ARRAY_SIZE(tda9874a_modelist))
984 if(tda9874a_AMSEL > 1)
987 if(tda9874a_SIF == 1)
988 tda9874a_GCONR = 0xc0; /* sound IF input 1 */
990 tda9874a_GCONR = 0xc1; /* sound IF input 2 */
992 tda9874a_ESP = tda9874a_STD;
993 tda9874a_mode = (tda9874a_STD < 5) ? 0 : 1;
995 if(tda9874a_AMSEL == 0)
996 tda9874a_NCONR = 0x01; /* auto-mute: analog mono input */
998 tda9874a_NCONR = 0x05; /* auto-mute: 1st carrier FM or AM */
1000 tda9874a_setup(chip);
1005 /* ---------------------------------------------------------------------- */
1006 /* audio chip descriptions - defines+functions for tea6420 */
1008 #define TEA6300_VL 0x00 /* volume left */
1009 #define TEA6300_VR 0x01 /* volume right */
1010 #define TEA6300_BA 0x02 /* bass */
1011 #define TEA6300_TR 0x03 /* treble */
1012 #define TEA6300_FA 0x04 /* fader control */
1013 #define TEA6300_S 0x05 /* switch register */
1014 /* values for those registers: */
1015 #define TEA6300_S_SA 0x01 /* stereo A input */
1016 #define TEA6300_S_SB 0x02 /* stereo B */
1017 #define TEA6300_S_SC 0x04 /* stereo C */
1018 #define TEA6300_S_GMU 0x80 /* general mute */
1020 #define TEA6320_V 0x00 /* volume (0-5)/loudness off (6)/zero crossing mute(7) */
1021 #define TEA6320_FFR 0x01 /* fader front right (0-5) */
1022 #define TEA6320_FFL 0x02 /* fader front left (0-5) */
1023 #define TEA6320_FRR 0x03 /* fader rear right (0-5) */
1024 #define TEA6320_FRL 0x04 /* fader rear left (0-5) */
1025 #define TEA6320_BA 0x05 /* bass (0-4) */
1026 #define TEA6320_TR 0x06 /* treble (0-4) */
1027 #define TEA6320_S 0x07 /* switch register */
1028 /* values for those registers: */
1029 #define TEA6320_S_SA 0x07 /* stereo A input */
1030 #define TEA6320_S_SB 0x06 /* stereo B */
1031 #define TEA6320_S_SC 0x05 /* stereo C */
1032 #define TEA6320_S_SD 0x04 /* stereo D */
1033 #define TEA6320_S_GMU 0x80 /* general mute */
1035 #define TEA6420_S_SA 0x00 /* stereo A input */
1036 #define TEA6420_S_SB 0x01 /* stereo B */
1037 #define TEA6420_S_SC 0x02 /* stereo C */
1038 #define TEA6420_S_SD 0x03 /* stereo D */
1039 #define TEA6420_S_SE 0x04 /* stereo E */
1040 #define TEA6420_S_GMU 0x05 /* general mute */
1042 static int tea6300_shift10(int val) { return val >> 10; }
1043 static int tea6300_shift12(int val) { return val >> 12; }
1045 /* Assumes 16bit input (values 0x3f to 0x0c are unique, values less than */
1046 /* 0x0c mirror those immediately higher) */
1047 static int tea6320_volume(int val) { return (val / (65535/(63-12)) + 12) & 0x3f; }
1048 static int tea6320_shift11(int val) { return val >> 11; }
1049 static int tea6320_initialize(struct CHIPSTATE * chip)
1051 chip_write(chip, TEA6320_FFR, 0x3f);
1052 chip_write(chip, TEA6320_FFL, 0x3f);
1053 chip_write(chip, TEA6320_FRR, 0x3f);
1054 chip_write(chip, TEA6320_FRL, 0x3f);
1060 /* ---------------------------------------------------------------------- */
1061 /* audio chip descriptions - defines+functions for tda8425 */
1063 #define TDA8425_VL 0x00 /* volume left */
1064 #define TDA8425_VR 0x01 /* volume right */
1065 #define TDA8425_BA 0x02 /* bass */
1066 #define TDA8425_TR 0x03 /* treble */
1067 #define TDA8425_S1 0x08 /* switch functions */
1068 /* values for those registers: */
1069 #define TDA8425_S1_OFF 0xEE /* audio off (mute on) */
1070 #define TDA8425_S1_CH1 0xCE /* audio channel 1 (mute off) - "linear stereo" mode */
1071 #define TDA8425_S1_CH2 0xCF /* audio channel 2 (mute off) - "linear stereo" mode */
1072 #define TDA8425_S1_MU 0x20 /* mute bit */
1073 #define TDA8425_S1_STEREO 0x18 /* stereo bits */
1074 #define TDA8425_S1_STEREO_SPATIAL 0x18 /* spatial stereo */
1075 #define TDA8425_S1_STEREO_LINEAR 0x08 /* linear stereo */
1076 #define TDA8425_S1_STEREO_PSEUDO 0x10 /* pseudo stereo */
1077 #define TDA8425_S1_STEREO_MONO 0x00 /* forced mono */
1078 #define TDA8425_S1_ML 0x06 /* language selector */
1079 #define TDA8425_S1_ML_SOUND_A 0x02 /* sound a */
1080 #define TDA8425_S1_ML_SOUND_B 0x04 /* sound b */
1081 #define TDA8425_S1_ML_STEREO 0x06 /* stereo */
1082 #define TDA8425_S1_IS 0x01 /* channel selector */
1085 static int tda8425_shift10(int val) { return (val >> 10) | 0xc0; }
1086 static int tda8425_shift12(int val) { return (val >> 12) | 0xf0; }
1088 static int tda8425_initialize(struct CHIPSTATE *chip)
1090 struct CHIPDESC *desc = chiplist + chip->type;
1091 int inputmap[4] = { /* tuner */ TDA8425_S1_CH2, /* radio */ TDA8425_S1_CH1,
1092 /* extern */ TDA8425_S1_CH1, /* intern */ TDA8425_S1_OFF};
1094 if (chip->c->adapter->id == I2C_HW_B_RIVA) {
1095 memcpy (desc->inputmap, inputmap, sizeof (inputmap));
1100 static void tda8425_setmode(struct CHIPSTATE *chip, int mode)
1102 int s1 = chip->shadow.bytes[TDA8425_S1+1] & 0xe1;
1104 if (mode & V4L2_TUNER_MODE_LANG1) {
1105 s1 |= TDA8425_S1_ML_SOUND_A;
1106 s1 |= TDA8425_S1_STEREO_PSEUDO;
1108 } else if (mode & V4L2_TUNER_MODE_LANG2) {
1109 s1 |= TDA8425_S1_ML_SOUND_B;
1110 s1 |= TDA8425_S1_STEREO_PSEUDO;
1113 s1 |= TDA8425_S1_ML_STEREO;
1115 if (mode & V4L2_TUNER_MODE_MONO)
1116 s1 |= TDA8425_S1_STEREO_MONO;
1117 if (mode & V4L2_TUNER_MODE_STEREO)
1118 s1 |= TDA8425_S1_STEREO_SPATIAL;
1120 chip_write(chip,TDA8425_S1,s1);
1124 /* ---------------------------------------------------------------------- */
1125 /* audio chip descriptions - defines+functions for pic16c54 (PV951) */
1127 /* the registers of 16C54, I2C sub address. */
1128 #define PIC16C54_REG_KEY_CODE 0x01 /* Not use. */
1129 #define PIC16C54_REG_MISC 0x02
1131 /* bit definition of the RESET register, I2C data. */
1132 #define PIC16C54_MISC_RESET_REMOTE_CTL 0x01 /* bit 0, Reset to receive the key */
1133 /* code of remote controller */
1134 #define PIC16C54_MISC_MTS_MAIN 0x02 /* bit 1 */
1135 #define PIC16C54_MISC_MTS_SAP 0x04 /* bit 2 */
1136 #define PIC16C54_MISC_MTS_BOTH 0x08 /* bit 3 */
1137 #define PIC16C54_MISC_SND_MUTE 0x10 /* bit 4, Mute Audio(Line-in and Tuner) */
1138 #define PIC16C54_MISC_SND_NOTMUTE 0x20 /* bit 5 */
1139 #define PIC16C54_MISC_SWITCH_TUNER 0x40 /* bit 6 , Switch to Line-in */
1140 #define PIC16C54_MISC_SWITCH_LINE 0x80 /* bit 7 , Switch to Tuner */
1142 /* ---------------------------------------------------------------------- */
1143 /* audio chip descriptions - defines+functions for TA8874Z */
1145 /* write 1st byte */
1146 #define TA8874Z_LED_STE 0x80
1147 #define TA8874Z_LED_BIL 0x40
1148 #define TA8874Z_LED_EXT 0x20
1149 #define TA8874Z_MONO_SET 0x10
1150 #define TA8874Z_MUTE 0x08
1151 #define TA8874Z_F_MONO 0x04
1152 #define TA8874Z_MODE_SUB 0x02
1153 #define TA8874Z_MODE_MAIN 0x01
1155 /* write 2nd byte */
1156 /*#define TA8874Z_TI 0x80 */ /* test mode */
1157 #define TA8874Z_SEPARATION 0x3f
1158 #define TA8874Z_SEPARATION_DEFAULT 0x10
1161 #define TA8874Z_B1 0x80
1162 #define TA8874Z_B0 0x40
1163 #define TA8874Z_CHAG_FLAG 0x20
1171 static int ta8874z_getmode(struct CHIPSTATE *chip)
1175 val = chip_read(chip);
1176 mode = V4L2_TUNER_MODE_MONO;
1177 if (val & TA8874Z_B1){
1178 mode |= V4L2_TUNER_MODE_LANG1 | V4L2_TUNER_MODE_LANG2;
1179 }else if (!(val & TA8874Z_B0)){
1180 mode |= V4L2_TUNER_MODE_STEREO;
1182 /* v4l_dbg(1, debug, chip->c, "ta8874z_getmode(): raw chip read: 0x%02x, return: 0x%02x\n", val, mode); */
1186 static audiocmd ta8874z_stereo = { 2, {0, TA8874Z_SEPARATION_DEFAULT}};
1187 static audiocmd ta8874z_mono = {2, { TA8874Z_MONO_SET, TA8874Z_SEPARATION_DEFAULT}};
1188 static audiocmd ta8874z_main = {2, { 0, TA8874Z_SEPARATION_DEFAULT}};
1189 static audiocmd ta8874z_sub = {2, { TA8874Z_MODE_SUB, TA8874Z_SEPARATION_DEFAULT}};
1191 static void ta8874z_setmode(struct CHIPSTATE *chip, int mode)
1195 v4l_dbg(1, debug, chip->c, "ta8874z_setmode(): mode: 0x%02x\n", mode);
1198 case V4L2_TUNER_MODE_MONO:
1201 case V4L2_TUNER_MODE_STEREO:
1202 t = &ta8874z_stereo;
1204 case V4L2_TUNER_MODE_LANG1:
1207 case V4L2_TUNER_MODE_LANG2:
1215 chip_cmd(chip, "TA8874Z", t);
1218 static int ta8874z_checkit(struct CHIPSTATE *chip)
1221 rc = chip_read(chip);
1222 return ((rc & 0x1f) == 0x1f) ? 1 : 0;
1225 /* ---------------------------------------------------------------------- */
1226 /* audio chip descriptions - struct CHIPDESC */
1228 /* insmod options to enable/disable individual audio chips */
1229 static int tda8425 = 1;
1230 static int tda9840 = 1;
1231 static int tda9850 = 1;
1232 static int tda9855 = 1;
1233 static int tda9873 = 1;
1234 static int tda9874a = 1;
1235 static int tea6300; /* default 0 - address clash with msp34xx */
1236 static int tea6320; /* default 0 - address clash with msp34xx */
1237 static int tea6420 = 1;
1238 static int pic16c54 = 1;
1239 static int ta8874z; /* default 0 - address clash with tda9840 */
1241 module_param(tda8425, int, 0444);
1242 module_param(tda9840, int, 0444);
1243 module_param(tda9850, int, 0444);
1244 module_param(tda9855, int, 0444);
1245 module_param(tda9873, int, 0444);
1246 module_param(tda9874a, int, 0444);
1247 module_param(tea6300, int, 0444);
1248 module_param(tea6320, int, 0444);
1249 module_param(tea6420, int, 0444);
1250 module_param(pic16c54, int, 0444);
1251 module_param(ta8874z, int, 0444);
1253 static struct CHIPDESC chiplist[] = {
1256 .insmodopt = &tda9840,
1257 .addr_lo = I2C_ADDR_TDA9840 >> 1,
1258 .addr_hi = I2C_ADDR_TDA9840 >> 1,
1260 .flags = CHIP_NEED_CHECKMODE,
1263 .checkit = tda9840_checkit,
1264 .getmode = tda9840_getmode,
1265 .setmode = tda9840_setmode,
1267 .init = { 2, { TDA9840_TEST, TDA9840_TEST_INT1SN
1268 /* ,TDA9840_SW, TDA9840_MONO */} }
1272 .insmodopt = &tda9873,
1273 .addr_lo = I2C_ADDR_TDA985x_L >> 1,
1274 .addr_hi = I2C_ADDR_TDA985x_H >> 1,
1276 .flags = CHIP_HAS_INPUTSEL | CHIP_NEED_CHECKMODE,
1279 .checkit = tda9873_checkit,
1280 .getmode = tda9873_getmode,
1281 .setmode = tda9873_setmode,
1283 .init = { 4, { TDA9873_SW, 0xa4, 0x06, 0x03 } },
1284 .inputreg = TDA9873_SW,
1285 .inputmute = TDA9873_MUTE | TDA9873_AUTOMUTE,
1286 .inputmap = {0xa0, 0xa2, 0xa0, 0xa0},
1287 .inputmask = TDA9873_INP_MASK|TDA9873_MUTE|TDA9873_AUTOMUTE,
1291 .name = "tda9874h/a",
1292 .insmodopt = &tda9874a,
1293 .addr_lo = I2C_ADDR_TDA9874 >> 1,
1294 .addr_hi = I2C_ADDR_TDA9874 >> 1,
1295 .flags = CHIP_NEED_CHECKMODE,
1298 .initialize = tda9874a_initialize,
1299 .checkit = tda9874a_checkit,
1300 .getmode = tda9874a_getmode,
1301 .setmode = tda9874a_setmode,
1305 .insmodopt = &tda9850,
1306 .addr_lo = I2C_ADDR_TDA985x_L >> 1,
1307 .addr_hi = I2C_ADDR_TDA985x_H >> 1,
1310 .getmode = tda985x_getmode,
1311 .setmode = tda985x_setmode,
1313 .init = { 8, { TDA9850_C4, 0x08, 0x08, TDA985x_STEREO, 0x07, 0x10, 0x10, 0x03 } }
1317 .insmodopt = &tda9855,
1318 .addr_lo = I2C_ADDR_TDA985x_L >> 1,
1319 .addr_hi = I2C_ADDR_TDA985x_H >> 1,
1321 .flags = CHIP_HAS_VOLUME | CHIP_HAS_BASSTREBLE,
1323 .leftreg = TDA9855_VL,
1324 .rightreg = TDA9855_VR,
1325 .bassreg = TDA9855_BA,
1326 .treblereg = TDA9855_TR,
1329 .volfunc = tda9855_volume,
1330 .bassfunc = tda9855_bass,
1331 .treblefunc = tda9855_treble,
1332 .getmode = tda985x_getmode,
1333 .setmode = tda985x_setmode,
1335 .init = { 12, { 0, 0x6f, 0x6f, 0x0e, 0x07<<1, 0x8<<2,
1336 TDA9855_MUTE | TDA9855_AVL | TDA9855_LOUD | TDA9855_INT,
1337 TDA985x_STEREO | TDA9855_LINEAR | TDA9855_TZCM | TDA9855_VZCM,
1338 0x07, 0x10, 0x10, 0x03 }}
1342 .insmodopt = &tea6300,
1343 .addr_lo = I2C_ADDR_TEA6300 >> 1,
1344 .addr_hi = I2C_ADDR_TEA6300 >> 1,
1346 .flags = CHIP_HAS_VOLUME | CHIP_HAS_BASSTREBLE | CHIP_HAS_INPUTSEL,
1348 .leftreg = TEA6300_VR,
1349 .rightreg = TEA6300_VL,
1350 .bassreg = TEA6300_BA,
1351 .treblereg = TEA6300_TR,
1354 .volfunc = tea6300_shift10,
1355 .bassfunc = tea6300_shift12,
1356 .treblefunc = tea6300_shift12,
1358 .inputreg = TEA6300_S,
1359 .inputmap = { TEA6300_S_SA, TEA6300_S_SB, TEA6300_S_SC },
1360 .inputmute = TEA6300_S_GMU,
1364 .insmodopt = &tea6320,
1365 .addr_lo = I2C_ADDR_TEA6300 >> 1,
1366 .addr_hi = I2C_ADDR_TEA6300 >> 1,
1368 .flags = CHIP_HAS_VOLUME | CHIP_HAS_BASSTREBLE | CHIP_HAS_INPUTSEL,
1370 .leftreg = TEA6320_V,
1371 .rightreg = TEA6320_V,
1372 .bassreg = TEA6320_BA,
1373 .treblereg = TEA6320_TR,
1376 .initialize = tea6320_initialize,
1377 .volfunc = tea6320_volume,
1378 .bassfunc = tea6320_shift11,
1379 .treblefunc = tea6320_shift11,
1381 .inputreg = TEA6320_S,
1382 .inputmap = { TEA6320_S_SA, TEA6420_S_SB, TEA6300_S_SC, TEA6320_S_SD },
1383 .inputmute = TEA6300_S_GMU,
1387 .insmodopt = &tea6420,
1388 .addr_lo = I2C_ADDR_TEA6420 >> 1,
1389 .addr_hi = I2C_ADDR_TEA6420 >> 1,
1391 .flags = CHIP_HAS_INPUTSEL,
1394 .inputmap = { TEA6420_S_SA, TEA6420_S_SB, TEA6420_S_SC },
1395 .inputmute = TEA6300_S_GMU,
1399 .insmodopt = &tda8425,
1400 .addr_lo = I2C_ADDR_TDA8425 >> 1,
1401 .addr_hi = I2C_ADDR_TDA8425 >> 1,
1403 .flags = CHIP_HAS_VOLUME | CHIP_HAS_BASSTREBLE | CHIP_HAS_INPUTSEL,
1405 .leftreg = TDA8425_VL,
1406 .rightreg = TDA8425_VR,
1407 .bassreg = TDA8425_BA,
1408 .treblereg = TDA8425_TR,
1411 .initialize = tda8425_initialize,
1412 .volfunc = tda8425_shift10,
1413 .bassfunc = tda8425_shift12,
1414 .treblefunc = tda8425_shift12,
1415 .setmode = tda8425_setmode,
1417 .inputreg = TDA8425_S1,
1418 .inputmap = { TDA8425_S1_CH1, TDA8425_S1_CH1, TDA8425_S1_CH1 },
1419 .inputmute = TDA8425_S1_OFF,
1423 .name = "pic16c54 (PV951)",
1424 .insmodopt = &pic16c54,
1425 .addr_lo = I2C_ADDR_PIC16C54 >> 1,
1426 .addr_hi = I2C_ADDR_PIC16C54>> 1,
1428 .flags = CHIP_HAS_INPUTSEL,
1430 .inputreg = PIC16C54_REG_MISC,
1431 .inputmap = {PIC16C54_MISC_SND_NOTMUTE|PIC16C54_MISC_SWITCH_TUNER,
1432 PIC16C54_MISC_SND_NOTMUTE|PIC16C54_MISC_SWITCH_LINE,
1433 PIC16C54_MISC_SND_NOTMUTE|PIC16C54_MISC_SWITCH_LINE,
1434 PIC16C54_MISC_SND_MUTE},
1435 .inputmute = PIC16C54_MISC_SND_MUTE,
1439 .checkit = ta8874z_checkit,
1440 .insmodopt = &ta8874z,
1441 .addr_lo = I2C_ADDR_TDA9840 >> 1,
1442 .addr_hi = I2C_ADDR_TDA9840 >> 1,
1444 .flags = CHIP_NEED_CHECKMODE,
1447 .getmode = ta8874z_getmode,
1448 .setmode = ta8874z_setmode,
1450 .init = {2, { TA8874Z_MONO_SET, TA8874Z_SEPARATION_DEFAULT}},
1452 { .name = NULL } /* EOF */
1456 /* ---------------------------------------------------------------------- */
1457 /* i2c registration */
1459 static int chip_probe(struct i2c_client *client, const struct i2c_device_id *id)
1461 struct CHIPSTATE *chip;
1462 struct CHIPDESC *desc;
1465 printk(KERN_INFO "tvaudio: TV audio decoder + audio/video mux driver\n");
1466 printk(KERN_INFO "tvaudio: known chips: ");
1467 for (desc = chiplist; desc->name != NULL; desc++)
1468 printk("%s%s", (desc == chiplist) ? "" : ", ", desc->name);
1472 chip = kzalloc(sizeof(*chip),GFP_KERNEL);
1476 i2c_set_clientdata(client, chip);
1478 /* find description for the chip */
1479 v4l_dbg(1, debug, client, "chip found @ 0x%x\n", client->addr<<1);
1480 for (desc = chiplist; desc->name != NULL; desc++) {
1481 if (0 == *(desc->insmodopt))
1483 if (client->addr < desc->addr_lo ||
1484 client->addr > desc->addr_hi)
1486 if (desc->checkit && !desc->checkit(chip))
1490 if (desc->name == NULL) {
1491 v4l_dbg(1, debug, client, "no matching chip description found\n");
1495 v4l_info(client, "%s found @ 0x%x (%s)\n", desc->name, client->addr<<1, client->adapter->name);
1497 v4l_dbg(1, debug, client, "matches:%s%s%s.\n",
1498 (desc->flags & CHIP_HAS_VOLUME) ? " volume" : "",
1499 (desc->flags & CHIP_HAS_BASSTREBLE) ? " bass/treble" : "",
1500 (desc->flags & CHIP_HAS_INPUTSEL) ? " audiomux" : "");
1503 /* fill required data structures */
1505 strlcpy(client->name, desc->name, I2C_NAME_SIZE);
1506 chip->type = desc-chiplist;
1507 chip->shadow.count = desc->registers+1;
1508 chip->prevmode = -1;
1509 chip->audmode = V4L2_TUNER_MODE_LANG1;
1511 /* initialization */
1512 if (desc->initialize != NULL)
1513 desc->initialize(chip);
1515 chip_cmd(chip,"init",&desc->init);
1517 if (desc->flags & CHIP_HAS_VOLUME) {
1518 if (!desc->volfunc) {
1519 /* This shouldn't be happen. Warn user, but keep working
1520 without volume controls
1522 v4l_info(chip->c, "volume callback undefined!\n");
1523 desc->flags &= ~CHIP_HAS_VOLUME;
1525 chip->left = desc->leftinit ? desc->leftinit : 65535;
1526 chip->right = desc->rightinit ? desc->rightinit : 65535;
1527 chip_write(chip, desc->leftreg,
1528 desc->volfunc(chip->left));
1529 chip_write(chip, desc->rightreg,
1530 desc->volfunc(chip->right));
1533 if (desc->flags & CHIP_HAS_BASSTREBLE) {
1534 if (!desc->bassfunc || !desc->treblefunc) {
1535 /* This shouldn't be happen. Warn user, but keep working
1536 without bass/treble controls
1538 v4l_info(chip->c, "bass/treble callbacks undefined!\n");
1539 desc->flags &= ~CHIP_HAS_BASSTREBLE;
1541 chip->treble = desc->trebleinit ?
1542 desc->trebleinit : 32768;
1543 chip->bass = desc->bassinit ?
1544 desc->bassinit : 32768;
1545 chip_write(chip, desc->bassreg,
1546 desc->bassfunc(chip->bass));
1547 chip_write(chip, desc->treblereg,
1548 desc->treblefunc(chip->treble));
1552 chip->thread = NULL;
1553 if (desc->flags & CHIP_NEED_CHECKMODE) {
1554 if (!desc->getmode || !desc->setmode) {
1555 /* This shouldn't be happen. Warn user, but keep working
1558 v4l_info(chip->c, "set/get mode callbacks undefined!\n");
1561 /* start async thread */
1562 init_timer(&chip->wt);
1563 chip->wt.function = chip_thread_wake;
1564 chip->wt.data = (unsigned long)chip;
1565 chip->thread = kthread_run(chip_thread, chip, chip->c->name);
1566 if (IS_ERR(chip->thread)) {
1567 v4l_warn(chip->c, "%s: failed to create kthread\n",
1569 chip->thread = NULL;
1575 static int chip_remove(struct i2c_client *client)
1577 struct CHIPSTATE *chip = i2c_get_clientdata(client);
1579 del_timer_sync(&chip->wt);
1581 /* shutdown async thread */
1582 kthread_stop(chip->thread);
1583 chip->thread = NULL;
1590 static int tvaudio_get_ctrl(struct CHIPSTATE *chip,
1591 struct v4l2_control *ctrl)
1593 struct CHIPDESC *desc = chiplist + chip->type;
1596 case V4L2_CID_AUDIO_MUTE:
1597 ctrl->value=chip->muted;
1599 case V4L2_CID_AUDIO_VOLUME:
1600 if (!(desc->flags & CHIP_HAS_VOLUME))
1602 ctrl->value = max(chip->left,chip->right);
1604 case V4L2_CID_AUDIO_BALANCE:
1607 if (!(desc->flags & CHIP_HAS_VOLUME))
1609 volume = max(chip->left,chip->right);
1611 ctrl->value=(32768*min(chip->left,chip->right))/volume;
1616 case V4L2_CID_AUDIO_BASS:
1617 if (desc->flags & CHIP_HAS_BASSTREBLE)
1619 ctrl->value = chip->bass;
1621 case V4L2_CID_AUDIO_TREBLE:
1622 if (desc->flags & CHIP_HAS_BASSTREBLE)
1624 ctrl->value = chip->treble;
1630 static int tvaudio_set_ctrl(struct CHIPSTATE *chip,
1631 struct v4l2_control *ctrl)
1633 struct CHIPDESC *desc = chiplist + chip->type;
1636 case V4L2_CID_AUDIO_MUTE:
1637 if (ctrl->value < 0 || ctrl->value >= 2)
1639 chip->muted = ctrl->value;
1641 chip_write_masked(chip,desc->inputreg,desc->inputmute,desc->inputmask);
1643 chip_write_masked(chip,desc->inputreg,
1644 desc->inputmap[chip->input],desc->inputmask);
1646 case V4L2_CID_AUDIO_VOLUME:
1650 if (!(desc->flags & CHIP_HAS_VOLUME))
1653 volume = max(chip->left,chip->right);
1655 balance=(32768*min(chip->left,chip->right))/volume;
1660 chip->left = (min(65536 - balance,32768) * volume) / 32768;
1661 chip->right = (min(balance,volume *(__u16)32768)) / 32768;
1663 chip_write(chip,desc->leftreg,desc->volfunc(chip->left));
1664 chip_write(chip,desc->rightreg,desc->volfunc(chip->right));
1668 case V4L2_CID_AUDIO_BALANCE:
1670 int volume, balance;
1671 if (!(desc->flags & CHIP_HAS_VOLUME))
1674 volume = max(chip->left,chip->right);
1675 balance = ctrl->value;
1677 chip_write(chip,desc->leftreg,desc->volfunc(chip->left));
1678 chip_write(chip,desc->rightreg,desc->volfunc(chip->right));
1682 case V4L2_CID_AUDIO_BASS:
1683 if (desc->flags & CHIP_HAS_BASSTREBLE)
1685 chip->bass = ctrl->value;
1686 chip_write(chip,desc->bassreg,desc->bassfunc(chip->bass));
1689 case V4L2_CID_AUDIO_TREBLE:
1690 if (desc->flags & CHIP_HAS_BASSTREBLE)
1693 chip->treble = ctrl->value;
1694 chip_write(chip,desc->treblereg,desc->treblefunc(chip->treble));
1702 /* ---------------------------------------------------------------------- */
1703 /* video4linux interface */
1705 static int chip_command(struct i2c_client *client,
1706 unsigned int cmd, void *arg)
1708 struct CHIPSTATE *chip = i2c_get_clientdata(client);
1709 struct CHIPDESC *desc = chiplist + chip->type;
1711 v4l_dbg(1, debug, chip->c, "%s: chip_command 0x%x\n", chip->c->name, cmd);
1714 case AUDC_SET_RADIO:
1716 chip->watch_stereo = 0;
1717 /* del_timer(&chip->wt); */
1719 /* --- v4l ioctls --- */
1720 /* take care: bttv does userspace copying, we'll get a
1721 kernel pointer here... */
1722 case VIDIOC_QUERYCTRL:
1724 struct v4l2_queryctrl *qc = arg;
1727 case V4L2_CID_AUDIO_MUTE:
1729 case V4L2_CID_AUDIO_VOLUME:
1730 case V4L2_CID_AUDIO_BALANCE:
1731 if (!(desc->flags & CHIP_HAS_VOLUME))
1734 case V4L2_CID_AUDIO_BASS:
1735 case V4L2_CID_AUDIO_TREBLE:
1736 if (desc->flags & CHIP_HAS_BASSTREBLE)
1742 return v4l2_ctrl_query_fill_std(qc);
1745 return tvaudio_set_ctrl(chip, arg);
1748 return tvaudio_get_ctrl(chip, arg);
1749 case VIDIOC_INT_G_AUDIO_ROUTING:
1751 struct v4l2_routing *rt = arg;
1753 rt->input = chip->input;
1757 case VIDIOC_INT_S_AUDIO_ROUTING:
1759 struct v4l2_routing *rt = arg;
1761 if (!(desc->flags & CHIP_HAS_INPUTSEL) || rt->input >= 4)
1763 /* There are four inputs: tuner, radio, extern and intern. */
1764 chip->input = rt->input;
1767 chip_write_masked(chip, desc->inputreg,
1768 desc->inputmap[chip->input], desc->inputmask);
1771 case VIDIOC_S_TUNER:
1773 struct v4l2_tuner *vt = arg;
1778 switch (vt->audmode) {
1779 case V4L2_TUNER_MODE_MONO:
1780 case V4L2_TUNER_MODE_STEREO:
1781 case V4L2_TUNER_MODE_LANG1:
1782 case V4L2_TUNER_MODE_LANG2:
1785 case V4L2_TUNER_MODE_LANG1_LANG2:
1786 mode = V4L2_TUNER_MODE_STEREO;
1791 chip->audmode = vt->audmode;
1793 if (desc->setmode && mode) {
1794 chip->watch_stereo = 0;
1795 /* del_timer(&chip->wt); */
1797 desc->setmode(chip, mode);
1801 case VIDIOC_G_TUNER:
1803 struct v4l2_tuner *vt = arg;
1804 int mode = V4L2_TUNER_MODE_MONO;
1808 vt->audmode = chip->audmode;
1810 vt->capability = V4L2_TUNER_CAP_STEREO |
1811 V4L2_TUNER_CAP_LANG1 | V4L2_TUNER_CAP_LANG2;
1814 mode = desc->getmode(chip);
1816 if (mode & V4L2_TUNER_MODE_MONO)
1817 vt->rxsubchans |= V4L2_TUNER_SUB_MONO;
1818 if (mode & V4L2_TUNER_MODE_STEREO)
1819 vt->rxsubchans |= V4L2_TUNER_SUB_STEREO;
1820 /* Note: for SAP it should be mono/lang2 or stereo/lang2.
1821 When this module is converted fully to v4l2, then this
1822 should change for those chips that can detect SAP. */
1823 if (mode & V4L2_TUNER_MODE_LANG1)
1824 vt->rxsubchans = V4L2_TUNER_SUB_LANG1 |
1825 V4L2_TUNER_SUB_LANG2;
1831 case VIDIOC_S_FREQUENCY:
1832 chip->mode = 0; /* automatic */
1834 /* For chips that provide getmode, setmode and checkmode,
1835 a kthread is created to automatically to set the audio
1836 standard. In this case, start with MONO and wait 2 seconds
1837 for the decoding to stablize. Then, run kthread to change
1838 to stereo, if carrier detected.
1841 desc->setmode(chip,V4L2_TUNER_MODE_MONO);
1842 if (chip->prevmode != V4L2_TUNER_MODE_MONO)
1843 chip->prevmode = -1; /* reset previous mode */
1844 mod_timer(&chip->wt, jiffies+msecs_to_jiffies(2000));
1848 case VIDIOC_G_CHIP_IDENT:
1849 return v4l2_chip_ident_i2c_client(client, arg, V4L2_IDENT_TVAUDIO, 0);
1854 static int chip_legacy_probe(struct i2c_adapter *adap)
1856 /* don't attach on saa7146 based cards,
1857 because dedicated drivers are used */
1858 if ((adap->id == I2C_HW_SAA7146))
1860 if (adap->class & I2C_CLASS_TV_ANALOG)
1865 /* This driver supports many devices and the idea is to let the driver
1866 detect which device is present. So rather than listing all supported
1867 devices here, we pretend to support a single, fake device type. */
1868 static const struct i2c_device_id chip_id[] = {
1872 MODULE_DEVICE_TABLE(i2c, chip_id);
1874 static struct v4l2_i2c_driver_data v4l2_i2c_data = {
1876 .driverid = I2C_DRIVERID_TVAUDIO,
1877 .command = chip_command,
1878 .probe = chip_probe,
1879 .remove = chip_remove,
1880 .legacy_probe = chip_legacy_probe,
1881 .id_table = chip_id,