2 * experimental 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 * This code is placed under the terms of the GNU General Public License
13 * debug - set to 1 if you'd like to see debug messages
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>
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>
36 #include <media/i2c-addr.h>
38 /* ---------------------------------------------------------------------- */
41 static int debug; /* insmod parameter */
42 module_param(debug, int, 0644);
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");
50 /* ---------------------------------------------------------------------- */
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*);
64 typedef struct AUDIOCMD {
65 int count; /* # of bytes to send */
66 unsigned char bytes[MAXREGS+1]; /* addr, data, data, ... */
69 /* chip description */
71 char *name; /* chip name */
72 int addr_lo, addr_hi; /* i2c address range */
73 int registers; /* # of registers */
77 initialize initialize;
79 #define CHIP_HAS_VOLUME 1
80 #define CHIP_HAS_BASSTREBLE 2
81 #define CHIP_HAS_INPUTSEL 4
83 /* various i2c command sequences */
86 /* which register has which value */
87 int leftreg,rightreg,treblereg,bassreg;
89 /* initialize with (defaults to 65535/65535/32768/32768 */
90 int leftinit,rightinit,trebleinit,bassinit;
92 /* functions to convert the values (v4l -> chip) */
93 getvalue volfunc,treblefunc,bassfunc;
99 /* check / autoswitch audio after channel switches */
102 /* input switch register + values for v4l inputs */
108 static struct CHIPDESC chiplist[];
110 /* current state of the chip */
112 struct i2c_client *c;
114 /* index into CHIPDESC array */
117 /* shadow register set */
120 /* current settings */
121 __u16 left,right,treble,bass,muted,mode;
127 struct task_struct *thread;
128 struct timer_list wt;
133 /* ---------------------------------------------------------------------- */
136 static unsigned short normal_i2c[] = {
137 I2C_ADDR_TDA8425 >> 1,
138 I2C_ADDR_TEA6300 >> 1,
139 I2C_ADDR_TEA6420 >> 1,
140 I2C_ADDR_TDA9840 >> 1,
141 I2C_ADDR_TDA985x_L >> 1,
142 I2C_ADDR_TDA985x_H >> 1,
143 I2C_ADDR_TDA9874 >> 1,
144 I2C_ADDR_PIC16C54 >> 1,
148 /* ---------------------------------------------------------------------- */
149 /* i2c I/O functions */
151 static int chip_write(struct CHIPSTATE *chip, int subaddr, int val)
153 unsigned char buffer[2];
156 v4l_dbg(1, debug, chip->c, "%s: chip_write: 0x%x\n",
158 chip->shadow.bytes[1] = val;
160 if (1 != i2c_master_send(chip->c,buffer,1)) {
161 v4l_warn(chip->c, "%s: I/O error (write 0x%x)\n",
166 v4l_dbg(1, debug, chip->c, "%s: chip_write: reg%d=0x%x\n",
167 chip->c->name, subaddr, val);
168 chip->shadow.bytes[subaddr+1] = val;
171 if (2 != i2c_master_send(chip->c,buffer,2)) {
172 v4l_warn(chip->c, "%s: I/O error (write reg%d=0x%x)\n",
173 chip->c->name, subaddr, val);
180 static int chip_write_masked(struct CHIPSTATE *chip, int subaddr, int val, int mask)
184 val = (chip->shadow.bytes[1] & ~mask) | (val & mask);
186 val = (chip->shadow.bytes[subaddr+1] & ~mask) | (val & mask);
189 return chip_write(chip, subaddr, val);
192 static int chip_read(struct CHIPSTATE *chip)
194 unsigned char buffer;
196 if (1 != i2c_master_recv(chip->c,&buffer,1)) {
197 v4l_warn(chip->c, "%s: I/O error (read)\n",
201 v4l_dbg(1, debug, chip->c, "%s: chip_read: 0x%x\n",chip->c->name, buffer);
205 static int chip_read2(struct CHIPSTATE *chip, int subaddr)
207 unsigned char write[1];
208 unsigned char read[1];
209 struct i2c_msg msgs[2] = {
210 { chip->c->addr, 0, 1, write },
211 { chip->c->addr, I2C_M_RD, 1, read }
215 if (2 != i2c_transfer(chip->c->adapter,msgs,2)) {
216 v4l_warn(chip->c, "%s: I/O error (read2)\n", chip->c->name);
219 v4l_dbg(1, debug, chip->c, "%s: chip_read2: reg%d=0x%x\n",
220 chip->c->name, subaddr,read[0]);
224 static int chip_cmd(struct CHIPSTATE *chip, char *name, audiocmd *cmd)
231 /* update our shadow register set; print bytes if (debug > 0) */
232 v4l_dbg(1, debug, chip->c, "%s: chip_cmd(%s): reg=%d, data:",
233 chip->c->name, name,cmd->bytes[0]);
234 for (i = 1; i < cmd->count; i++) {
236 printk(" 0x%x",cmd->bytes[i]);
237 chip->shadow.bytes[i+cmd->bytes[0]] = cmd->bytes[i];
242 /* send data to the chip */
243 if (cmd->count != i2c_master_send(chip->c,cmd->bytes,cmd->count)) {
244 v4l_warn(chip->c, "%s: I/O error (%s)\n", chip->c->name, name);
250 /* ---------------------------------------------------------------------- */
251 /* kernel thread for doing i2c stuff asyncronly
252 * right now it is used only to check the audio mode (mono/stereo/whatever)
253 * some time after switching to another TV channel, then turn on stereo
257 static void chip_thread_wake(unsigned long data)
259 struct CHIPSTATE *chip = (struct CHIPSTATE*)data;
260 wake_up_process(chip->thread);
263 static int chip_thread(void *data)
265 struct CHIPSTATE *chip = data;
266 struct CHIPDESC *desc = chiplist + chip->type;
268 v4l_dbg(1, debug, chip->c, "%s: thread started\n", chip->c->name);
271 set_current_state(TASK_INTERRUPTIBLE);
272 if (!kthread_should_stop())
274 set_current_state(TASK_RUNNING);
276 if (kthread_should_stop())
278 v4l_dbg(1, debug, chip->c, "%s: thread wakeup\n", chip->c->name);
280 /* don't do anything for radio or if mode != auto */
281 if (chip->radio || chip->mode != 0)
284 /* have a look what's going on */
285 desc->checkmode(chip);
287 /* schedule next check */
288 mod_timer(&chip->wt, jiffies+msecs_to_jiffies(2000));
291 v4l_dbg(1, debug, chip->c, "%s: thread exiting\n", chip->c->name);
295 static void generic_checkmode(struct CHIPSTATE *chip)
297 struct CHIPDESC *desc = chiplist + chip->type;
298 int mode = desc->getmode(chip);
300 if (mode == chip->prevmode)
303 v4l_dbg(1, debug, chip->c, "%s: thread checkmode\n", chip->c->name);
304 chip->prevmode = mode;
306 if (mode & V4L2_TUNER_MODE_STEREO)
307 desc->setmode(chip,V4L2_TUNER_MODE_STEREO);
308 if (mode & V4L2_TUNER_MODE_LANG1_LANG2)
309 desc->setmode(chip,V4L2_TUNER_MODE_STEREO);
310 else if (mode & V4L2_TUNER_MODE_LANG1)
311 desc->setmode(chip,V4L2_TUNER_MODE_LANG1);
312 else if (mode & V4L2_TUNER_MODE_LANG2)
313 desc->setmode(chip,V4L2_TUNER_MODE_LANG2);
315 desc->setmode(chip,V4L2_TUNER_MODE_MONO);
318 /* ---------------------------------------------------------------------- */
319 /* audio chip descriptions - defines+functions for tda9840 */
321 #define TDA9840_SW 0x00
322 #define TDA9840_LVADJ 0x02
323 #define TDA9840_STADJ 0x03
324 #define TDA9840_TEST 0x04
326 #define TDA9840_MONO 0x10
327 #define TDA9840_STEREO 0x2a
328 #define TDA9840_DUALA 0x12
329 #define TDA9840_DUALB 0x1e
330 #define TDA9840_DUALAB 0x1a
331 #define TDA9840_DUALBA 0x16
332 #define TDA9840_EXTERNAL 0x7a
334 #define TDA9840_DS_DUAL 0x20 /* Dual sound identified */
335 #define TDA9840_ST_STEREO 0x40 /* Stereo sound identified */
336 #define TDA9840_PONRES 0x80 /* Power-on reset detected if = 1 */
338 #define TDA9840_TEST_INT1SN 0x1 /* Integration time 0.5s when set */
339 #define TDA9840_TEST_INTFU 0x02 /* Disables integrator function */
341 static int tda9840_getmode(struct CHIPSTATE *chip)
345 val = chip_read(chip);
346 mode = V4L2_TUNER_MODE_MONO;
347 if (val & TDA9840_DS_DUAL)
348 mode |= V4L2_TUNER_MODE_LANG1 | V4L2_TUNER_MODE_LANG2;
349 if (val & TDA9840_ST_STEREO)
350 mode |= V4L2_TUNER_MODE_STEREO;
352 v4l_dbg(1, debug, chip->c, "tda9840_getmode(): raw chip read: %d, return: %d\n",
357 static void tda9840_setmode(struct CHIPSTATE *chip, int mode)
360 int t = chip->shadow.bytes[TDA9840_SW + 1] & ~0x7e;
363 case V4L2_TUNER_MODE_MONO:
366 case V4L2_TUNER_MODE_STEREO:
369 case V4L2_TUNER_MODE_LANG1:
372 case V4L2_TUNER_MODE_LANG2:
380 chip_write(chip, TDA9840_SW, t);
383 static int tda9840_checkit(struct CHIPSTATE *chip)
386 rc = chip_read(chip);
387 /* lower 5 bits should be 0 */
388 return ((rc & 0x1f) == 0) ? 1 : 0;
391 /* ---------------------------------------------------------------------- */
392 /* audio chip descriptions - defines+functions for tda985x */
394 /* subaddresses for TDA9855 */
395 #define TDA9855_VR 0x00 /* Volume, right */
396 #define TDA9855_VL 0x01 /* Volume, left */
397 #define TDA9855_BA 0x02 /* Bass */
398 #define TDA9855_TR 0x03 /* Treble */
399 #define TDA9855_SW 0x04 /* Subwoofer - not connected on DTV2000 */
401 /* subaddresses for TDA9850 */
402 #define TDA9850_C4 0x04 /* Control 1 for TDA9850 */
404 /* subaddesses for both chips */
405 #define TDA985x_C5 0x05 /* Control 2 for TDA9850, Control 1 for TDA9855 */
406 #define TDA985x_C6 0x06 /* Control 3 for TDA9850, Control 2 for TDA9855 */
407 #define TDA985x_C7 0x07 /* Control 4 for TDA9850, Control 3 for TDA9855 */
408 #define TDA985x_A1 0x08 /* Alignment 1 for both chips */
409 #define TDA985x_A2 0x09 /* Alignment 2 for both chips */
410 #define TDA985x_A3 0x0a /* Alignment 3 for both chips */
412 /* Masks for bits in TDA9855 subaddresses */
413 /* 0x00 - VR in TDA9855 */
414 /* 0x01 - VL in TDA9855 */
415 /* lower 7 bits control gain from -71dB (0x28) to 16dB (0x7f)
416 * in 1dB steps - mute is 0x27 */
419 /* 0x02 - BA in TDA9855 */
420 /* lower 5 bits control bass gain from -12dB (0x06) to 16.5dB (0x19)
421 * in .5dB steps - 0 is 0x0E */
424 /* 0x03 - TR in TDA9855 */
425 /* 4 bits << 1 control treble gain from -12dB (0x3) to 12dB (0xb)
426 * in 3dB steps - 0 is 0x7 */
428 /* Masks for bits in both chips' subaddresses */
429 /* 0x04 - SW in TDA9855, C4/Control 1 in TDA9850 */
430 /* Unique to TDA9855: */
431 /* 4 bits << 2 control subwoofer/surround gain from -14db (0x1) to 14db (0xf)
432 * in 3dB steps - mute is 0x0 */
434 /* Unique to TDA9850: */
435 /* lower 4 bits control stereo noise threshold, over which stereo turns off
436 * set to values of 0x00 through 0x0f for Ster1 through Ster16 */
439 /* 0x05 - C5 - Control 1 in TDA9855 , Control 2 in TDA9850*/
440 /* Unique to TDA9855: */
441 #define TDA9855_MUTE 1<<7 /* GMU, Mute at outputs */
442 #define TDA9855_AVL 1<<6 /* AVL, Automatic Volume Level */
443 #define TDA9855_LOUD 1<<5 /* Loudness, 1==off */
444 #define TDA9855_SUR 1<<3 /* Surround / Subwoofer 1==.5(L-R) 0==.5(L+R) */
445 /* Bits 0 to 3 select various combinations
446 * of line in and line out, only the
447 * interesting ones are defined */
448 #define TDA9855_EXT 1<<2 /* Selects inputs LIR and LIL. Pins 41 & 12 */
449 #define TDA9855_INT 0 /* Selects inputs LOR and LOL. (internal) */
451 /* Unique to TDA9850: */
452 /* lower 4 bits contol SAP noise threshold, over which SAP turns off
453 * set to values of 0x00 through 0x0f for SAP1 through SAP16 */
456 /* 0x06 - C6 - Control 2 in TDA9855, Control 3 in TDA9850 */
457 /* Common to TDA9855 and TDA9850: */
458 #define TDA985x_SAP 3<<6 /* Selects SAP output, mute if not received */
459 #define TDA985x_STEREO 1<<6 /* Selects Stereo ouput, mono if not received */
460 #define TDA985x_MONO 0 /* Forces Mono output */
461 #define TDA985x_LMU 1<<3 /* Mute (LOR/LOL for 9855, OUTL/OUTR for 9850) */
463 /* Unique to TDA9855: */
464 #define TDA9855_TZCM 1<<5 /* If set, don't mute till zero crossing */
465 #define TDA9855_VZCM 1<<4 /* If set, don't change volume till zero crossing*/
466 #define TDA9855_LINEAR 0 /* Linear Stereo */
467 #define TDA9855_PSEUDO 1 /* Pseudo Stereo */
468 #define TDA9855_SPAT_30 2 /* Spatial Stereo, 30% anti-phase crosstalk */
469 #define TDA9855_SPAT_50 3 /* Spatial Stereo, 52% anti-phase crosstalk */
470 #define TDA9855_E_MONO 7 /* Forced mono - mono select elseware, so useless*/
472 /* 0x07 - C7 - Control 3 in TDA9855, Control 4 in TDA9850 */
473 /* Common to both TDA9855 and TDA9850: */
474 /* lower 4 bits control input gain from -3.5dB (0x0) to 4dB (0xF)
475 * in .5dB steps - 0dB is 0x7 */
477 /* 0x08, 0x09 - A1 and A2 (read/write) */
478 /* Common to both TDA9855 and TDA9850: */
479 /* lower 5 bites are wideband and spectral expander alignment
480 * from 0x00 to 0x1f - nominal at 0x0f and 0x10 (read/write) */
481 #define TDA985x_STP 1<<5 /* Stereo Pilot/detect (read-only) */
482 #define TDA985x_SAPP 1<<6 /* SAP Pilot/detect (read-only) */
483 #define TDA985x_STS 1<<7 /* Stereo trigger 1= <35mV 0= <30mV (write-only)*/
486 /* Common to both TDA9855 and TDA9850: */
487 /* lower 3 bits control timing current for alignment: -30% (0x0), -20% (0x1),
488 * -10% (0x2), nominal (0x3), +10% (0x6), +20% (0x5), +30% (0x4) */
489 #define TDA985x_ADJ 1<<7 /* Stereo adjust on/off (wideband and spectral */
491 static int tda9855_volume(int val) { return val/0x2e8+0x27; }
492 static int tda9855_bass(int val) { return val/0xccc+0x06; }
493 static int tda9855_treble(int val) { return (val/0x1c71+0x3)<<1; }
495 static int tda985x_getmode(struct CHIPSTATE *chip)
499 mode = ((TDA985x_STP | TDA985x_SAPP) &
500 chip_read(chip)) >> 4;
501 /* Add mono mode regardless of SAP and stereo */
502 /* Allows forced mono */
503 return mode | V4L2_TUNER_MODE_MONO;
506 static void tda985x_setmode(struct CHIPSTATE *chip, int mode)
509 int c6 = chip->shadow.bytes[TDA985x_C6+1] & 0x3f;
512 case V4L2_TUNER_MODE_MONO:
515 case V4L2_TUNER_MODE_STEREO:
516 c6 |= TDA985x_STEREO;
518 case V4L2_TUNER_MODE_LANG1:
525 chip_write(chip,TDA985x_C6,c6);
529 /* ---------------------------------------------------------------------- */
530 /* audio chip descriptions - defines+functions for tda9873h */
532 /* Subaddresses for TDA9873H */
534 #define TDA9873_SW 0x00 /* Switching */
535 #define TDA9873_AD 0x01 /* Adjust */
536 #define TDA9873_PT 0x02 /* Port */
538 /* Subaddress 0x00: Switching Data
541 * B1, B0: Input source selection
543 * 1, 0 external stereo
546 #define TDA9873_INP_MASK 3
547 #define TDA9873_INTERNAL 0
548 #define TDA9873_EXT_STEREO 2
549 #define TDA9873_EXT_MONO 1
551 /* B3, B2: output signal select
552 * B4 : transmission mode
555 * 1, 1, 1 Stereo (reversed channel)
562 #define TDA9873_TR_MASK (7 << 2)
563 #define TDA9873_TR_MONO 4
564 #define TDA9873_TR_STEREO 1 << 4
565 #define TDA9873_TR_REVERSE (1 << 3) & (1 << 2)
566 #define TDA9873_TR_DUALA 1 << 2
567 #define TDA9873_TR_DUALB 1 << 3
569 /* output level controls
570 * B5: output level switch (0 = reduced gain, 1 = normal gain)
571 * B6: mute (1 = muted)
572 * B7: auto-mute (1 = auto-mute enabled)
575 #define TDA9873_GAIN_NORMAL 1 << 5
576 #define TDA9873_MUTE 1 << 6
577 #define TDA9873_AUTOMUTE 1 << 7
579 /* Subaddress 0x01: Adjust/standard */
581 /* Lower 4 bits (C3..C0) control stereo adjustment on R channel (-0.6 - +0.7 dB)
582 * Recommended value is +0 dB
585 #define TDA9873_STEREO_ADJ 0x06 /* 0dB gain */
587 /* Bits C6..C4 control FM stantard
589 * 0, 0, 0 B/G (PAL FM)
598 #define TDA9873_DK1 2
599 #define TDA9873_DK2 3
600 #define TDA9873_DK3 4
603 /* C7 controls identification response time (1=fast/0=normal)
605 #define TDA9873_IDR_NORM 0
606 #define TDA9873_IDR_FAST 1 << 7
609 /* Subaddress 0x02: Port data */
611 /* E1, E0 free programmable ports P1/P2
618 #define TDA9873_PORTS 3
621 #define TDA9873_TST_PORT 1 << 2
623 /* E5..E3 control mono output channel (together with transmission mode bit B4)
628 * 0 1 0 1 mono (from stereo decoder)
630 #define TDA9873_MOUT_MONO 0
631 #define TDA9873_MOUT_FMONO 0
632 #define TDA9873_MOUT_DUALA 0
633 #define TDA9873_MOUT_DUALB 1 << 3
634 #define TDA9873_MOUT_ST 1 << 4
635 #define TDA9873_MOUT_EXTM (1 << 4 ) & (1 << 3)
636 #define TDA9873_MOUT_EXTL 1 << 5
637 #define TDA9873_MOUT_EXTR (1 << 5 ) & (1 << 3)
638 #define TDA9873_MOUT_EXTLR (1 << 5 ) & (1 << 4)
639 #define TDA9873_MOUT_MUTE (1 << 5 ) & (1 << 4) & (1 << 3)
641 /* Status bits: (chip read) */
642 #define TDA9873_PONR 0 /* Power-on reset detected if = 1 */
643 #define TDA9873_STEREO 2 /* Stereo sound is identified */
644 #define TDA9873_DUAL 4 /* Dual sound is identified */
646 static int tda9873_getmode(struct CHIPSTATE *chip)
650 val = chip_read(chip);
651 mode = V4L2_TUNER_MODE_MONO;
652 if (val & TDA9873_STEREO)
653 mode |= V4L2_TUNER_MODE_STEREO;
654 if (val & TDA9873_DUAL)
655 mode |= V4L2_TUNER_MODE_LANG1 | V4L2_TUNER_MODE_LANG2;
656 v4l_dbg(1, debug, chip->c, "tda9873_getmode(): raw chip read: %d, return: %d\n",
661 static void tda9873_setmode(struct CHIPSTATE *chip, int mode)
663 int sw_data = chip->shadow.bytes[TDA9873_SW+1] & ~ TDA9873_TR_MASK;
664 /* int adj_data = chip->shadow.bytes[TDA9873_AD+1] ; */
666 if ((sw_data & TDA9873_INP_MASK) != TDA9873_INTERNAL) {
667 v4l_dbg(1, debug, chip->c, "tda9873_setmode(): external input\n");
671 v4l_dbg(1, debug, chip->c, "tda9873_setmode(): chip->shadow.bytes[%d] = %d\n", TDA9873_SW+1, chip->shadow.bytes[TDA9873_SW+1]);
672 v4l_dbg(1, debug, chip->c, "tda9873_setmode(): sw_data = %d\n", sw_data);
675 case V4L2_TUNER_MODE_MONO:
676 sw_data |= TDA9873_TR_MONO;
678 case V4L2_TUNER_MODE_STEREO:
679 sw_data |= TDA9873_TR_STEREO;
681 case V4L2_TUNER_MODE_LANG1:
682 sw_data |= TDA9873_TR_DUALA;
684 case V4L2_TUNER_MODE_LANG2:
685 sw_data |= TDA9873_TR_DUALB;
692 chip_write(chip, TDA9873_SW, sw_data);
693 v4l_dbg(1, debug, chip->c, "tda9873_setmode(): req. mode %d; chip_write: %d\n",
697 static int tda9873_checkit(struct CHIPSTATE *chip)
701 if (-1 == (rc = chip_read2(chip,254)))
703 return (rc & ~0x1f) == 0x80;
707 /* ---------------------------------------------------------------------- */
708 /* audio chip description - defines+functions for tda9874h and tda9874a */
709 /* Dariusz Kowalewski <darekk@automex.pl> */
711 /* Subaddresses for TDA9874H and TDA9874A (slave rx) */
712 #define TDA9874A_AGCGR 0x00 /* AGC gain */
713 #define TDA9874A_GCONR 0x01 /* general config */
714 #define TDA9874A_MSR 0x02 /* monitor select */
715 #define TDA9874A_C1FRA 0x03 /* carrier 1 freq. */
716 #define TDA9874A_C1FRB 0x04 /* carrier 1 freq. */
717 #define TDA9874A_C1FRC 0x05 /* carrier 1 freq. */
718 #define TDA9874A_C2FRA 0x06 /* carrier 2 freq. */
719 #define TDA9874A_C2FRB 0x07 /* carrier 2 freq. */
720 #define TDA9874A_C2FRC 0x08 /* carrier 2 freq. */
721 #define TDA9874A_DCR 0x09 /* demodulator config */
722 #define TDA9874A_FMER 0x0a /* FM de-emphasis */
723 #define TDA9874A_FMMR 0x0b /* FM dematrix */
724 #define TDA9874A_C1OLAR 0x0c /* ch.1 output level adj. */
725 #define TDA9874A_C2OLAR 0x0d /* ch.2 output level adj. */
726 #define TDA9874A_NCONR 0x0e /* NICAM config */
727 #define TDA9874A_NOLAR 0x0f /* NICAM output level adj. */
728 #define TDA9874A_NLELR 0x10 /* NICAM lower error limit */
729 #define TDA9874A_NUELR 0x11 /* NICAM upper error limit */
730 #define TDA9874A_AMCONR 0x12 /* audio mute control */
731 #define TDA9874A_SDACOSR 0x13 /* stereo DAC output select */
732 #define TDA9874A_AOSR 0x14 /* analog output select */
733 #define TDA9874A_DAICONR 0x15 /* digital audio interface config */
734 #define TDA9874A_I2SOSR 0x16 /* I2S-bus output select */
735 #define TDA9874A_I2SOLAR 0x17 /* I2S-bus output level adj. */
736 #define TDA9874A_MDACOSR 0x18 /* mono DAC output select (tda9874a) */
737 #define TDA9874A_ESP 0xFF /* easy standard progr. (tda9874a) */
739 /* Subaddresses for TDA9874H and TDA9874A (slave tx) */
740 #define TDA9874A_DSR 0x00 /* device status */
741 #define TDA9874A_NSR 0x01 /* NICAM status */
742 #define TDA9874A_NECR 0x02 /* NICAM error count */
743 #define TDA9874A_DR1 0x03 /* add. data LSB */
744 #define TDA9874A_DR2 0x04 /* add. data MSB */
745 #define TDA9874A_LLRA 0x05 /* monitor level read-out LSB */
746 #define TDA9874A_LLRB 0x06 /* monitor level read-out MSB */
747 #define TDA9874A_SIFLR 0x07 /* SIF level */
748 #define TDA9874A_TR2 252 /* test reg. 2 */
749 #define TDA9874A_TR1 253 /* test reg. 1 */
750 #define TDA9874A_DIC 254 /* device id. code */
751 #define TDA9874A_SIC 255 /* software id. code */
754 static int tda9874a_mode = 1; /* 0: A2, 1: NICAM */
755 static int tda9874a_GCONR = 0xc0; /* default config. input pin: SIFSEL=0 */
756 static int tda9874a_NCONR = 0x01; /* default NICAM config.: AMSEL=0,AMUTE=1 */
757 static int tda9874a_ESP = 0x07; /* default standard: NICAM D/K */
758 static int tda9874a_dic = -1; /* device id. code */
760 /* insmod options for tda9874a */
761 static unsigned int tda9874a_SIF = UNSET;
762 static unsigned int tda9874a_AMSEL = UNSET;
763 static unsigned int tda9874a_STD = UNSET;
764 module_param(tda9874a_SIF, int, 0444);
765 module_param(tda9874a_AMSEL, int, 0444);
766 module_param(tda9874a_STD, int, 0444);
769 * initialization table for tda9874 decoder:
770 * - carrier 1 freq. registers (3 bytes)
771 * - carrier 2 freq. registers (3 bytes)
772 * - demudulator config register
773 * - FM de-emphasis register (slow identification mode)
774 * Note: frequency registers must be written in single i2c transfer.
776 static struct tda9874a_MODES {
779 } tda9874a_modelist[9] = {
781 { 9, { TDA9874A_C1FRA, 0x72,0x95,0x55, 0x77,0xA0,0x00, 0x00,0x00 }} },
783 { 9, { TDA9874A_C1FRA, 0x5D,0xC0,0x00, 0x62,0x6A,0xAA, 0x20,0x22 }} },
785 { 9, { TDA9874A_C1FRA, 0x87,0x6A,0xAA, 0x82,0x60,0x00, 0x00,0x00 }} },
787 { 9, { TDA9874A_C1FRA, 0x87,0x6A,0xAA, 0x8C,0x75,0x55, 0x00,0x00 }} },
789 { 9, { TDA9874A_C1FRA, 0x87,0x6A,0xAA, 0x77,0xA0,0x00, 0x00,0x00 }} },
791 { 9, { TDA9874A_C1FRA, 0x7D,0x00,0x00, 0x88,0x8A,0xAA, 0x08,0x33 }} },
793 { 9, { TDA9874A_C1FRA, 0x72,0x95,0x55, 0x79,0xEA,0xAA, 0x08,0x33 }} },
794 { "NICAM, D/K", /* default */
795 { 9, { TDA9874A_C1FRA, 0x87,0x6A,0xAA, 0x79,0xEA,0xAA, 0x08,0x33 }} },
797 { 9, { TDA9874A_C1FRA, 0x87,0x6A,0xAA, 0x79,0xEA,0xAA, 0x09,0x33 }} }
800 static int tda9874a_setup(struct CHIPSTATE *chip)
802 chip_write(chip, TDA9874A_AGCGR, 0x00); /* 0 dB */
803 chip_write(chip, TDA9874A_GCONR, tda9874a_GCONR);
804 chip_write(chip, TDA9874A_MSR, (tda9874a_mode) ? 0x03:0x02);
805 if(tda9874a_dic == 0x11) {
806 chip_write(chip, TDA9874A_FMMR, 0x80);
807 } else { /* dic == 0x07 */
808 chip_cmd(chip,"tda9874_modelist",&tda9874a_modelist[tda9874a_STD].cmd);
809 chip_write(chip, TDA9874A_FMMR, 0x00);
811 chip_write(chip, TDA9874A_C1OLAR, 0x00); /* 0 dB */
812 chip_write(chip, TDA9874A_C2OLAR, 0x00); /* 0 dB */
813 chip_write(chip, TDA9874A_NCONR, tda9874a_NCONR);
814 chip_write(chip, TDA9874A_NOLAR, 0x00); /* 0 dB */
815 /* Note: If signal quality is poor you may want to change NICAM */
816 /* error limit registers (NLELR and NUELR) to some greater values. */
817 /* Then the sound would remain stereo, but won't be so clear. */
818 chip_write(chip, TDA9874A_NLELR, 0x14); /* default */
819 chip_write(chip, TDA9874A_NUELR, 0x50); /* default */
821 if(tda9874a_dic == 0x11) {
822 chip_write(chip, TDA9874A_AMCONR, 0xf9);
823 chip_write(chip, TDA9874A_SDACOSR, (tda9874a_mode) ? 0x81:0x80);
824 chip_write(chip, TDA9874A_AOSR, 0x80);
825 chip_write(chip, TDA9874A_MDACOSR, (tda9874a_mode) ? 0x82:0x80);
826 chip_write(chip, TDA9874A_ESP, tda9874a_ESP);
827 } else { /* dic == 0x07 */
828 chip_write(chip, TDA9874A_AMCONR, 0xfb);
829 chip_write(chip, TDA9874A_SDACOSR, (tda9874a_mode) ? 0x81:0x80);
830 chip_write(chip, TDA9874A_AOSR, 0x00); /* or 0x10 */
832 v4l_dbg(1, debug, chip->c, "tda9874a_setup(): %s [0x%02X].\n",
833 tda9874a_modelist[tda9874a_STD].name,tda9874a_STD);
837 static int tda9874a_getmode(struct CHIPSTATE *chip)
840 int necr; /* just for debugging */
842 mode = V4L2_TUNER_MODE_MONO;
844 if(-1 == (dsr = chip_read2(chip,TDA9874A_DSR)))
846 if(-1 == (nsr = chip_read2(chip,TDA9874A_NSR)))
848 if(-1 == (necr = chip_read2(chip,TDA9874A_NECR)))
851 /* need to store dsr/nsr somewhere */
852 chip->shadow.bytes[MAXREGS-2] = dsr;
853 chip->shadow.bytes[MAXREGS-1] = nsr;
856 /* Note: DSR.RSSF and DSR.AMSTAT bits are also checked.
857 * If NICAM auto-muting is enabled, DSR.AMSTAT=1 indicates
858 * that sound has (temporarily) switched from NICAM to
859 * mono FM (or AM) on 1st sound carrier due to high NICAM bit
860 * error count. So in fact there is no stereo in this case :-(
861 * But changing the mode to V4L2_TUNER_MODE_MONO would switch
862 * external 4052 multiplexer in audio_hook().
864 if(nsr & 0x02) /* NSR.S/MB=1 */
865 mode |= V4L2_TUNER_MODE_STEREO;
866 if(nsr & 0x01) /* NSR.D/SB=1 */
867 mode |= V4L2_TUNER_MODE_LANG1 | V4L2_TUNER_MODE_LANG2;
869 if(dsr & 0x02) /* DSR.IDSTE=1 */
870 mode |= V4L2_TUNER_MODE_STEREO;
871 if(dsr & 0x04) /* DSR.IDDUA=1 */
872 mode |= V4L2_TUNER_MODE_LANG1 | V4L2_TUNER_MODE_LANG2;
875 v4l_dbg(1, debug, chip->c, "tda9874a_getmode(): DSR=0x%X, NSR=0x%X, NECR=0x%X, return: %d.\n",
876 dsr, nsr, necr, mode);
880 static void tda9874a_setmode(struct CHIPSTATE *chip, int mode)
882 /* Disable/enable NICAM auto-muting (based on DSR.RSSF status bit). */
883 /* If auto-muting is disabled, we can hear a signal of degrading quality. */
885 if(chip->shadow.bytes[MAXREGS-2] & 0x20) /* DSR.RSSF=1 */
886 tda9874a_NCONR &= 0xfe; /* enable */
888 tda9874a_NCONR |= 0x01; /* disable */
889 chip_write(chip, TDA9874A_NCONR, tda9874a_NCONR);
892 /* Note: TDA9874A supports automatic FM dematrixing (FMMR register)
893 * and has auto-select function for audio output (AOSR register).
894 * Old TDA9874H doesn't support these features.
895 * TDA9874A also has additional mono output pin (OUTM), which
896 * on same (all?) tv-cards is not used, anyway (as well as MONOIN).
898 if(tda9874a_dic == 0x11) {
900 int mdacosr = (tda9874a_mode) ? 0x82:0x80;
903 case V4L2_TUNER_MODE_MONO:
904 case V4L2_TUNER_MODE_STEREO:
906 case V4L2_TUNER_MODE_LANG1:
907 aosr = 0x80; /* auto-select, dual A/A */
908 mdacosr = (tda9874a_mode) ? 0x82:0x80;
910 case V4L2_TUNER_MODE_LANG2:
911 aosr = 0xa0; /* auto-select, dual B/B */
912 mdacosr = (tda9874a_mode) ? 0x83:0x81;
918 chip_write(chip, TDA9874A_AOSR, aosr);
919 chip_write(chip, TDA9874A_MDACOSR, mdacosr);
921 v4l_dbg(1, debug, chip->c, "tda9874a_setmode(): req. mode %d; AOSR=0x%X, MDACOSR=0x%X.\n",
922 mode, aosr, mdacosr);
924 } else { /* dic == 0x07 */
928 case V4L2_TUNER_MODE_MONO:
929 fmmr = 0x00; /* mono */
930 aosr = 0x10; /* A/A */
932 case V4L2_TUNER_MODE_STEREO:
935 aosr = 0x00; /* handled by NICAM auto-mute */
937 fmmr = (tda9874a_ESP == 1) ? 0x05 : 0x04; /* stereo */
941 case V4L2_TUNER_MODE_LANG1:
942 fmmr = 0x02; /* dual */
943 aosr = 0x10; /* dual A/A */
945 case V4L2_TUNER_MODE_LANG2:
946 fmmr = 0x02; /* dual */
947 aosr = 0x20; /* dual B/B */
953 chip_write(chip, TDA9874A_FMMR, fmmr);
954 chip_write(chip, TDA9874A_AOSR, aosr);
956 v4l_dbg(1, debug, chip->c, "tda9874a_setmode(): req. mode %d; FMMR=0x%X, AOSR=0x%X.\n",
961 static int tda9874a_checkit(struct CHIPSTATE *chip)
963 int dic,sic; /* device id. and software id. codes */
965 if(-1 == (dic = chip_read2(chip,TDA9874A_DIC)))
967 if(-1 == (sic = chip_read2(chip,TDA9874A_SIC)))
970 v4l_dbg(1, debug, chip->c, "tda9874a_checkit(): DIC=0x%X, SIC=0x%X.\n", dic, sic);
972 if((dic == 0x11)||(dic == 0x07)) {
973 v4l_info(chip->c, "found tda9874%s.\n", (dic == 0x11) ? "a":"h");
974 tda9874a_dic = dic; /* remember device id. */
977 return 0; /* not found */
980 static int tda9874a_initialize(struct CHIPSTATE *chip)
982 if (tda9874a_SIF > 2)
984 if (tda9874a_STD > 8)
986 if(tda9874a_AMSEL > 1)
989 if(tda9874a_SIF == 1)
990 tda9874a_GCONR = 0xc0; /* sound IF input 1 */
992 tda9874a_GCONR = 0xc1; /* sound IF input 2 */
994 tda9874a_ESP = tda9874a_STD;
995 tda9874a_mode = (tda9874a_STD < 5) ? 0 : 1;
997 if(tda9874a_AMSEL == 0)
998 tda9874a_NCONR = 0x01; /* auto-mute: analog mono input */
1000 tda9874a_NCONR = 0x05; /* auto-mute: 1st carrier FM or AM */
1002 tda9874a_setup(chip);
1007 /* ---------------------------------------------------------------------- */
1008 /* audio chip descriptions - defines+functions for tea6420 */
1010 #define TEA6300_VL 0x00 /* volume left */
1011 #define TEA6300_VR 0x01 /* volume right */
1012 #define TEA6300_BA 0x02 /* bass */
1013 #define TEA6300_TR 0x03 /* treble */
1014 #define TEA6300_FA 0x04 /* fader control */
1015 #define TEA6300_S 0x05 /* switch register */
1016 /* values for those registers: */
1017 #define TEA6300_S_SA 0x01 /* stereo A input */
1018 #define TEA6300_S_SB 0x02 /* stereo B */
1019 #define TEA6300_S_SC 0x04 /* stereo C */
1020 #define TEA6300_S_GMU 0x80 /* general mute */
1022 #define TEA6320_V 0x00 /* volume (0-5)/loudness off (6)/zero crossing mute(7) */
1023 #define TEA6320_FFR 0x01 /* fader front right (0-5) */
1024 #define TEA6320_FFL 0x02 /* fader front left (0-5) */
1025 #define TEA6320_FRR 0x03 /* fader rear right (0-5) */
1026 #define TEA6320_FRL 0x04 /* fader rear left (0-5) */
1027 #define TEA6320_BA 0x05 /* bass (0-4) */
1028 #define TEA6320_TR 0x06 /* treble (0-4) */
1029 #define TEA6320_S 0x07 /* switch register */
1030 /* values for those registers: */
1031 #define TEA6320_S_SA 0x07 /* stereo A input */
1032 #define TEA6320_S_SB 0x06 /* stereo B */
1033 #define TEA6320_S_SC 0x05 /* stereo C */
1034 #define TEA6320_S_SD 0x04 /* stereo D */
1035 #define TEA6320_S_GMU 0x80 /* general mute */
1037 #define TEA6420_S_SA 0x00 /* stereo A input */
1038 #define TEA6420_S_SB 0x01 /* stereo B */
1039 #define TEA6420_S_SC 0x02 /* stereo C */
1040 #define TEA6420_S_SD 0x03 /* stereo D */
1041 #define TEA6420_S_SE 0x04 /* stereo E */
1042 #define TEA6420_S_GMU 0x05 /* general mute */
1044 static int tea6300_shift10(int val) { return val >> 10; }
1045 static int tea6300_shift12(int val) { return val >> 12; }
1047 /* Assumes 16bit input (values 0x3f to 0x0c are unique, values less than */
1048 /* 0x0c mirror those immediately higher) */
1049 static int tea6320_volume(int val) { return (val / (65535/(63-12)) + 12) & 0x3f; }
1050 static int tea6320_shift11(int val) { return val >> 11; }
1051 static int tea6320_initialize(struct CHIPSTATE * chip)
1053 chip_write(chip, TEA6320_FFR, 0x3f);
1054 chip_write(chip, TEA6320_FFL, 0x3f);
1055 chip_write(chip, TEA6320_FRR, 0x3f);
1056 chip_write(chip, TEA6320_FRL, 0x3f);
1062 /* ---------------------------------------------------------------------- */
1063 /* audio chip descriptions - defines+functions for tda8425 */
1065 #define TDA8425_VL 0x00 /* volume left */
1066 #define TDA8425_VR 0x01 /* volume right */
1067 #define TDA8425_BA 0x02 /* bass */
1068 #define TDA8425_TR 0x03 /* treble */
1069 #define TDA8425_S1 0x08 /* switch functions */
1070 /* values for those registers: */
1071 #define TDA8425_S1_OFF 0xEE /* audio off (mute on) */
1072 #define TDA8425_S1_CH1 0xCE /* audio channel 1 (mute off) - "linear stereo" mode */
1073 #define TDA8425_S1_CH2 0xCF /* audio channel 2 (mute off) - "linear stereo" mode */
1074 #define TDA8425_S1_MU 0x20 /* mute bit */
1075 #define TDA8425_S1_STEREO 0x18 /* stereo bits */
1076 #define TDA8425_S1_STEREO_SPATIAL 0x18 /* spatial stereo */
1077 #define TDA8425_S1_STEREO_LINEAR 0x08 /* linear stereo */
1078 #define TDA8425_S1_STEREO_PSEUDO 0x10 /* pseudo stereo */
1079 #define TDA8425_S1_STEREO_MONO 0x00 /* forced mono */
1080 #define TDA8425_S1_ML 0x06 /* language selector */
1081 #define TDA8425_S1_ML_SOUND_A 0x02 /* sound a */
1082 #define TDA8425_S1_ML_SOUND_B 0x04 /* sound b */
1083 #define TDA8425_S1_ML_STEREO 0x06 /* stereo */
1084 #define TDA8425_S1_IS 0x01 /* channel selector */
1087 static int tda8425_shift10(int val) { return (val >> 10) | 0xc0; }
1088 static int tda8425_shift12(int val) { return (val >> 12) | 0xf0; }
1090 static int tda8425_initialize(struct CHIPSTATE *chip)
1092 struct CHIPDESC *desc = chiplist + chip->type;
1093 int inputmap[4] = { /* tuner */ TDA8425_S1_CH2, /* radio */ TDA8425_S1_CH1,
1094 /* extern */ TDA8425_S1_CH1, /* intern */ TDA8425_S1_OFF};
1096 if (chip->c->adapter->id == I2C_HW_B_RIVA) {
1097 memcpy (desc->inputmap, inputmap, sizeof (inputmap));
1102 static void tda8425_setmode(struct CHIPSTATE *chip, int mode)
1104 int s1 = chip->shadow.bytes[TDA8425_S1+1] & 0xe1;
1106 if (mode & V4L2_TUNER_MODE_LANG1) {
1107 s1 |= TDA8425_S1_ML_SOUND_A;
1108 s1 |= TDA8425_S1_STEREO_PSEUDO;
1110 } else if (mode & V4L2_TUNER_MODE_LANG2) {
1111 s1 |= TDA8425_S1_ML_SOUND_B;
1112 s1 |= TDA8425_S1_STEREO_PSEUDO;
1115 s1 |= TDA8425_S1_ML_STEREO;
1117 if (mode & V4L2_TUNER_MODE_MONO)
1118 s1 |= TDA8425_S1_STEREO_MONO;
1119 if (mode & V4L2_TUNER_MODE_STEREO)
1120 s1 |= TDA8425_S1_STEREO_SPATIAL;
1122 chip_write(chip,TDA8425_S1,s1);
1126 /* ---------------------------------------------------------------------- */
1127 /* audio chip descriptions - defines+functions for pic16c54 (PV951) */
1129 /* the registers of 16C54, I2C sub address. */
1130 #define PIC16C54_REG_KEY_CODE 0x01 /* Not use. */
1131 #define PIC16C54_REG_MISC 0x02
1133 /* bit definition of the RESET register, I2C data. */
1134 #define PIC16C54_MISC_RESET_REMOTE_CTL 0x01 /* bit 0, Reset to receive the key */
1135 /* code of remote controller */
1136 #define PIC16C54_MISC_MTS_MAIN 0x02 /* bit 1 */
1137 #define PIC16C54_MISC_MTS_SAP 0x04 /* bit 2 */
1138 #define PIC16C54_MISC_MTS_BOTH 0x08 /* bit 3 */
1139 #define PIC16C54_MISC_SND_MUTE 0x10 /* bit 4, Mute Audio(Line-in and Tuner) */
1140 #define PIC16C54_MISC_SND_NOTMUTE 0x20 /* bit 5 */
1141 #define PIC16C54_MISC_SWITCH_TUNER 0x40 /* bit 6 , Switch to Line-in */
1142 #define PIC16C54_MISC_SWITCH_LINE 0x80 /* bit 7 , Switch to Tuner */
1144 /* ---------------------------------------------------------------------- */
1145 /* audio chip descriptions - defines+functions for TA8874Z */
1147 /* write 1st byte */
1148 #define TA8874Z_LED_STE 0x80
1149 #define TA8874Z_LED_BIL 0x40
1150 #define TA8874Z_LED_EXT 0x20
1151 #define TA8874Z_MONO_SET 0x10
1152 #define TA8874Z_MUTE 0x08
1153 #define TA8874Z_F_MONO 0x04
1154 #define TA8874Z_MODE_SUB 0x02
1155 #define TA8874Z_MODE_MAIN 0x01
1157 /* write 2nd byte */
1158 /*#define TA8874Z_TI 0x80 */ /* test mode */
1159 #define TA8874Z_SEPARATION 0x3f
1160 #define TA8874Z_SEPARATION_DEFAULT 0x10
1163 #define TA8874Z_B1 0x80
1164 #define TA8874Z_B0 0x40
1165 #define TA8874Z_CHAG_FLAG 0x20
1173 static int ta8874z_getmode(struct CHIPSTATE *chip)
1177 val = chip_read(chip);
1178 mode = V4L2_TUNER_MODE_MONO;
1179 if (val & TA8874Z_B1){
1180 mode |= V4L2_TUNER_MODE_LANG1 | V4L2_TUNER_MODE_LANG2;
1181 }else if (!(val & TA8874Z_B0)){
1182 mode |= V4L2_TUNER_MODE_STEREO;
1184 /* v4l_dbg(1, debug, chip->c, "ta8874z_getmode(): raw chip read: 0x%02x, return: 0x%02x\n", val, mode); */
1188 static audiocmd ta8874z_stereo = { 2, {0, TA8874Z_SEPARATION_DEFAULT}};
1189 static audiocmd ta8874z_mono = {2, { TA8874Z_MONO_SET, TA8874Z_SEPARATION_DEFAULT}};
1190 static audiocmd ta8874z_main = {2, { 0, TA8874Z_SEPARATION_DEFAULT}};
1191 static audiocmd ta8874z_sub = {2, { TA8874Z_MODE_SUB, TA8874Z_SEPARATION_DEFAULT}};
1193 static void ta8874z_setmode(struct CHIPSTATE *chip, int mode)
1197 v4l_dbg(1, debug, chip->c, "ta8874z_setmode(): mode: 0x%02x\n", mode);
1200 case V4L2_TUNER_MODE_MONO:
1203 case V4L2_TUNER_MODE_STEREO:
1204 t = &ta8874z_stereo;
1206 case V4L2_TUNER_MODE_LANG1:
1209 case V4L2_TUNER_MODE_LANG2:
1217 chip_cmd(chip, "TA8874Z", t);
1220 static int ta8874z_checkit(struct CHIPSTATE *chip)
1223 rc = chip_read(chip);
1224 return ((rc & 0x1f) == 0x1f) ? 1 : 0;
1227 /* ---------------------------------------------------------------------- */
1228 /* audio chip descriptions - struct CHIPDESC */
1230 /* insmod options to enable/disable individual audio chips */
1231 static int tda8425 = 1;
1232 static int tda9840 = 1;
1233 static int tda9850 = 1;
1234 static int tda9855 = 1;
1235 static int tda9873 = 1;
1236 static int tda9874a = 1;
1237 static int tea6300; /* default 0 - address clash with msp34xx */
1238 static int tea6320; /* default 0 - address clash with msp34xx */
1239 static int tea6420 = 1;
1240 static int pic16c54 = 1;
1241 static int ta8874z; /* default 0 - address clash with tda9840 */
1243 module_param(tda8425, int, 0444);
1244 module_param(tda9840, int, 0444);
1245 module_param(tda9850, int, 0444);
1246 module_param(tda9855, int, 0444);
1247 module_param(tda9873, int, 0444);
1248 module_param(tda9874a, int, 0444);
1249 module_param(tea6300, int, 0444);
1250 module_param(tea6320, int, 0444);
1251 module_param(tea6420, int, 0444);
1252 module_param(pic16c54, int, 0444);
1253 module_param(ta8874z, int, 0444);
1255 static struct CHIPDESC chiplist[] = {
1258 .insmodopt = &tda9840,
1259 .addr_lo = I2C_ADDR_TDA9840 >> 1,
1260 .addr_hi = I2C_ADDR_TDA9840 >> 1,
1263 .checkit = tda9840_checkit,
1264 .getmode = tda9840_getmode,
1265 .setmode = tda9840_setmode,
1266 .checkmode = generic_checkmode,
1268 .init = { 2, { TDA9840_TEST, TDA9840_TEST_INT1SN
1269 /* ,TDA9840_SW, TDA9840_MONO */} }
1273 .checkit = tda9873_checkit,
1274 .insmodopt = &tda9873,
1275 .addr_lo = I2C_ADDR_TDA985x_L >> 1,
1276 .addr_hi = I2C_ADDR_TDA985x_H >> 1,
1278 .flags = CHIP_HAS_INPUTSEL,
1280 .getmode = tda9873_getmode,
1281 .setmode = tda9873_setmode,
1282 .checkmode = generic_checkmode,
1284 .init = { 4, { TDA9873_SW, 0xa4, 0x06, 0x03 } },
1285 .inputreg = TDA9873_SW,
1286 .inputmute = TDA9873_MUTE | TDA9873_AUTOMUTE,
1287 .inputmap = {0xa0, 0xa2, 0xa0, 0xa0},
1288 .inputmask = TDA9873_INP_MASK|TDA9873_MUTE|TDA9873_AUTOMUTE,
1292 .name = "tda9874h/a",
1293 .checkit = tda9874a_checkit,
1294 .initialize = tda9874a_initialize,
1295 .insmodopt = &tda9874a,
1296 .addr_lo = I2C_ADDR_TDA9874 >> 1,
1297 .addr_hi = I2C_ADDR_TDA9874 >> 1,
1299 .getmode = tda9874a_getmode,
1300 .setmode = tda9874a_setmode,
1301 .checkmode = generic_checkmode,
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,
1327 .volfunc = tda9855_volume,
1328 .bassfunc = tda9855_bass,
1329 .treblefunc = tda9855_treble,
1331 .getmode = tda985x_getmode,
1332 .setmode = tda985x_setmode,
1334 .init = { 12, { 0, 0x6f, 0x6f, 0x0e, 0x07<<1, 0x8<<2,
1335 TDA9855_MUTE | TDA9855_AVL | TDA9855_LOUD | TDA9855_INT,
1336 TDA985x_STEREO | TDA9855_LINEAR | TDA9855_TZCM | TDA9855_VZCM,
1337 0x07, 0x10, 0x10, 0x03 }}
1341 .insmodopt = &tea6300,
1342 .addr_lo = I2C_ADDR_TEA6300 >> 1,
1343 .addr_hi = I2C_ADDR_TEA6300 >> 1,
1345 .flags = CHIP_HAS_VOLUME | CHIP_HAS_BASSTREBLE | CHIP_HAS_INPUTSEL,
1347 .leftreg = TEA6300_VR,
1348 .rightreg = TEA6300_VL,
1349 .bassreg = TEA6300_BA,
1350 .treblereg = TEA6300_TR,
1351 .volfunc = tea6300_shift10,
1352 .bassfunc = tea6300_shift12,
1353 .treblefunc = tea6300_shift12,
1355 .inputreg = TEA6300_S,
1356 .inputmap = { TEA6300_S_SA, TEA6300_S_SB, TEA6300_S_SC },
1357 .inputmute = TEA6300_S_GMU,
1361 .initialize = tea6320_initialize,
1362 .insmodopt = &tea6320,
1363 .addr_lo = I2C_ADDR_TEA6300 >> 1,
1364 .addr_hi = I2C_ADDR_TEA6300 >> 1,
1366 .flags = CHIP_HAS_VOLUME | CHIP_HAS_BASSTREBLE | CHIP_HAS_INPUTSEL,
1368 .leftreg = TEA6320_V,
1369 .rightreg = TEA6320_V,
1370 .bassreg = TEA6320_BA,
1371 .treblereg = TEA6320_TR,
1372 .volfunc = tea6320_volume,
1373 .bassfunc = tea6320_shift11,
1374 .treblefunc = tea6320_shift11,
1376 .inputreg = TEA6320_S,
1377 .inputmap = { TEA6320_S_SA, TEA6420_S_SB, TEA6300_S_SC, TEA6320_S_SD },
1378 .inputmute = TEA6300_S_GMU,
1382 .insmodopt = &tea6420,
1383 .addr_lo = I2C_ADDR_TEA6420 >> 1,
1384 .addr_hi = I2C_ADDR_TEA6420 >> 1,
1386 .flags = CHIP_HAS_INPUTSEL,
1389 .inputmap = { TEA6420_S_SA, TEA6420_S_SB, TEA6420_S_SC },
1390 .inputmute = TEA6300_S_GMU,
1394 .insmodopt = &tda8425,
1395 .addr_lo = I2C_ADDR_TDA8425 >> 1,
1396 .addr_hi = I2C_ADDR_TDA8425 >> 1,
1398 .flags = CHIP_HAS_VOLUME | CHIP_HAS_BASSTREBLE | CHIP_HAS_INPUTSEL,
1400 .leftreg = TDA8425_VL,
1401 .rightreg = TDA8425_VR,
1402 .bassreg = TDA8425_BA,
1403 .treblereg = TDA8425_TR,
1404 .volfunc = tda8425_shift10,
1405 .bassfunc = tda8425_shift12,
1406 .treblefunc = tda8425_shift12,
1408 .inputreg = TDA8425_S1,
1409 .inputmap = { TDA8425_S1_CH1, TDA8425_S1_CH1, TDA8425_S1_CH1 },
1410 .inputmute = TDA8425_S1_OFF,
1412 .setmode = tda8425_setmode,
1413 .initialize = tda8425_initialize,
1416 .name = "pic16c54 (PV951)",
1417 .insmodopt = &pic16c54,
1418 .addr_lo = I2C_ADDR_PIC16C54 >> 1,
1419 .addr_hi = I2C_ADDR_PIC16C54>> 1,
1421 .flags = CHIP_HAS_INPUTSEL,
1423 .inputreg = PIC16C54_REG_MISC,
1424 .inputmap = {PIC16C54_MISC_SND_NOTMUTE|PIC16C54_MISC_SWITCH_TUNER,
1425 PIC16C54_MISC_SND_NOTMUTE|PIC16C54_MISC_SWITCH_LINE,
1426 PIC16C54_MISC_SND_NOTMUTE|PIC16C54_MISC_SWITCH_LINE,
1427 PIC16C54_MISC_SND_MUTE},
1428 .inputmute = PIC16C54_MISC_SND_MUTE,
1432 .checkit = ta8874z_checkit,
1433 .insmodopt = &ta8874z,
1434 .addr_lo = I2C_ADDR_TDA9840 >> 1,
1435 .addr_hi = I2C_ADDR_TDA9840 >> 1,
1438 .getmode = ta8874z_getmode,
1439 .setmode = ta8874z_setmode,
1440 .checkmode = generic_checkmode,
1442 .init = {2, { TA8874Z_MONO_SET, TA8874Z_SEPARATION_DEFAULT}},
1444 { .name = NULL } /* EOF */
1448 /* ---------------------------------------------------------------------- */
1449 /* i2c registration */
1451 static int chip_probe(struct i2c_client *client, const struct i2c_device_id *id)
1453 struct CHIPSTATE *chip;
1454 struct CHIPDESC *desc;
1457 printk(KERN_INFO "tvaudio: TV audio decoder + audio/video mux driver\n");
1458 printk(KERN_INFO "tvaudio: known chips: ");
1459 for (desc = chiplist; desc->name != NULL; desc++)
1460 printk("%s%s", (desc == chiplist) ? "" : ", ", desc->name);
1464 chip = kzalloc(sizeof(*chip),GFP_KERNEL);
1468 i2c_set_clientdata(client, chip);
1470 /* find description for the chip */
1471 v4l_dbg(1, debug, client, "chip found @ 0x%x\n", client->addr<<1);
1472 for (desc = chiplist; desc->name != NULL; desc++) {
1473 if (0 == *(desc->insmodopt))
1475 if (client->addr < desc->addr_lo ||
1476 client->addr > desc->addr_hi)
1478 if (desc->checkit && !desc->checkit(chip))
1482 if (desc->name == NULL) {
1483 v4l_dbg(1, debug, client, "no matching chip description found\n");
1486 v4l_info(client, "%s found @ 0x%x (%s)\n", desc->name, client->addr<<1, client->adapter->name);
1488 v4l_dbg(1, debug, client, "matches:%s%s%s.\n",
1489 (desc->flags & CHIP_HAS_VOLUME) ? " volume" : "",
1490 (desc->flags & CHIP_HAS_BASSTREBLE) ? " bass/treble" : "",
1491 (desc->flags & CHIP_HAS_INPUTSEL) ? " audiomux" : "");
1494 /* fill required data structures */
1496 strlcpy(client->name, desc->name, I2C_NAME_SIZE);
1497 chip->type = desc-chiplist;
1498 chip->shadow.count = desc->registers+1;
1499 chip->prevmode = -1;
1500 chip->audmode = V4L2_TUNER_MODE_LANG1;
1502 /* initialization */
1503 if (desc->initialize != NULL)
1504 desc->initialize(chip);
1506 chip_cmd(chip,"init",&desc->init);
1508 if (desc->flags & CHIP_HAS_VOLUME) {
1509 chip->left = desc->leftinit ? desc->leftinit : 65535;
1510 chip->right = desc->rightinit ? desc->rightinit : 65535;
1511 chip_write(chip,desc->leftreg,desc->volfunc(chip->left));
1512 chip_write(chip,desc->rightreg,desc->volfunc(chip->right));
1514 if (desc->flags & CHIP_HAS_BASSTREBLE) {
1515 chip->treble = desc->trebleinit ? desc->trebleinit : 32768;
1516 chip->bass = desc->bassinit ? desc->bassinit : 32768;
1517 chip_write(chip,desc->bassreg,desc->bassfunc(chip->bass));
1518 chip_write(chip,desc->treblereg,desc->treblefunc(chip->treble));
1521 chip->thread = NULL;
1522 if (desc->checkmode) {
1523 /* start async thread */
1524 init_timer(&chip->wt);
1525 chip->wt.function = chip_thread_wake;
1526 chip->wt.data = (unsigned long)chip;
1527 chip->thread = kthread_run(chip_thread, chip, chip->c->name);
1528 if (IS_ERR(chip->thread)) {
1529 v4l_warn(chip->c, "%s: failed to create kthread\n",
1531 chip->thread = NULL;
1537 static int chip_remove(struct i2c_client *client)
1539 struct CHIPSTATE *chip = i2c_get_clientdata(client);
1541 del_timer_sync(&chip->wt);
1543 /* shutdown async thread */
1544 kthread_stop(chip->thread);
1545 chip->thread = NULL;
1552 static int tvaudio_get_ctrl(struct CHIPSTATE *chip,
1553 struct v4l2_control *ctrl)
1555 struct CHIPDESC *desc = chiplist + chip->type;
1558 case V4L2_CID_AUDIO_MUTE:
1559 ctrl->value=chip->muted;
1561 case V4L2_CID_AUDIO_VOLUME:
1562 if (!(desc->flags & CHIP_HAS_VOLUME))
1564 ctrl->value = max(chip->left,chip->right);
1566 case V4L2_CID_AUDIO_BALANCE:
1569 if (!(desc->flags & CHIP_HAS_VOLUME))
1571 volume = max(chip->left,chip->right);
1573 ctrl->value=(32768*min(chip->left,chip->right))/volume;
1578 case V4L2_CID_AUDIO_BASS:
1579 if (desc->flags & CHIP_HAS_BASSTREBLE)
1581 ctrl->value = chip->bass;
1583 case V4L2_CID_AUDIO_TREBLE:
1584 if (desc->flags & CHIP_HAS_BASSTREBLE)
1586 ctrl->value = chip->treble;
1592 static int tvaudio_set_ctrl(struct CHIPSTATE *chip,
1593 struct v4l2_control *ctrl)
1595 struct CHIPDESC *desc = chiplist + chip->type;
1598 case V4L2_CID_AUDIO_MUTE:
1599 if (ctrl->value < 0 || ctrl->value >= 2)
1601 chip->muted = ctrl->value;
1603 chip_write_masked(chip,desc->inputreg,desc->inputmute,desc->inputmask);
1605 chip_write_masked(chip,desc->inputreg,
1606 desc->inputmap[chip->input],desc->inputmask);
1608 case V4L2_CID_AUDIO_VOLUME:
1612 if (!(desc->flags & CHIP_HAS_VOLUME))
1615 volume = max(chip->left,chip->right);
1617 balance=(32768*min(chip->left,chip->right))/volume;
1622 chip->left = (min(65536 - balance,32768) * volume) / 32768;
1623 chip->right = (min(balance,volume *(__u16)32768)) / 32768;
1625 chip_write(chip,desc->leftreg,desc->volfunc(chip->left));
1626 chip_write(chip,desc->rightreg,desc->volfunc(chip->right));
1630 case V4L2_CID_AUDIO_BALANCE:
1632 int volume, balance;
1633 if (!(desc->flags & CHIP_HAS_VOLUME))
1636 volume = max(chip->left,chip->right);
1637 balance = ctrl->value;
1639 chip_write(chip,desc->leftreg,desc->volfunc(chip->left));
1640 chip_write(chip,desc->rightreg,desc->volfunc(chip->right));
1644 case V4L2_CID_AUDIO_BASS:
1645 if (desc->flags & CHIP_HAS_BASSTREBLE)
1647 chip->bass = ctrl->value;
1648 chip_write(chip,desc->bassreg,desc->bassfunc(chip->bass));
1651 case V4L2_CID_AUDIO_TREBLE:
1652 if (desc->flags & CHIP_HAS_BASSTREBLE)
1655 chip->treble = ctrl->value;
1656 chip_write(chip,desc->treblereg,desc->treblefunc(chip->treble));
1664 /* ---------------------------------------------------------------------- */
1665 /* video4linux interface */
1667 static int chip_command(struct i2c_client *client,
1668 unsigned int cmd, void *arg)
1670 struct CHIPSTATE *chip = i2c_get_clientdata(client);
1671 struct CHIPDESC *desc = chiplist + chip->type;
1673 v4l_dbg(1, debug, chip->c, "%s: chip_command 0x%x\n", chip->c->name, cmd);
1676 case AUDC_SET_RADIO:
1678 chip->watch_stereo = 0;
1679 /* del_timer(&chip->wt); */
1681 /* --- v4l ioctls --- */
1682 /* take care: bttv does userspace copying, we'll get a
1683 kernel pointer here... */
1684 case VIDIOC_QUERYCTRL:
1686 struct v4l2_queryctrl *qc = arg;
1689 case V4L2_CID_AUDIO_MUTE:
1691 case V4L2_CID_AUDIO_VOLUME:
1692 case V4L2_CID_AUDIO_BALANCE:
1693 if (!(desc->flags & CHIP_HAS_VOLUME))
1696 case V4L2_CID_AUDIO_BASS:
1697 case V4L2_CID_AUDIO_TREBLE:
1698 if (desc->flags & CHIP_HAS_BASSTREBLE)
1704 return v4l2_ctrl_query_fill_std(qc);
1707 return tvaudio_set_ctrl(chip, arg);
1710 return tvaudio_get_ctrl(chip, arg);
1711 case VIDIOC_INT_G_AUDIO_ROUTING:
1713 struct v4l2_routing *rt = arg;
1715 rt->input = chip->input;
1719 case VIDIOC_INT_S_AUDIO_ROUTING:
1721 struct v4l2_routing *rt = arg;
1723 if (!(desc->flags & CHIP_HAS_INPUTSEL) || rt->input >= 4)
1725 /* There are four inputs: tuner, radio, extern and intern. */
1726 chip->input = rt->input;
1729 chip_write_masked(chip, desc->inputreg,
1730 desc->inputmap[chip->input], desc->inputmask);
1733 case VIDIOC_S_TUNER:
1735 struct v4l2_tuner *vt = arg;
1740 switch (vt->audmode) {
1741 case V4L2_TUNER_MODE_MONO:
1742 case V4L2_TUNER_MODE_STEREO:
1743 case V4L2_TUNER_MODE_LANG1:
1744 case V4L2_TUNER_MODE_LANG2:
1747 case V4L2_TUNER_MODE_LANG1_LANG2:
1748 mode = V4L2_TUNER_MODE_STEREO;
1753 chip->audmode = vt->audmode;
1755 if (desc->setmode && mode) {
1756 chip->watch_stereo = 0;
1757 /* del_timer(&chip->wt); */
1759 desc->setmode(chip, mode);
1763 case VIDIOC_G_TUNER:
1765 struct v4l2_tuner *vt = arg;
1766 int mode = V4L2_TUNER_MODE_MONO;
1770 vt->audmode = chip->audmode;
1772 vt->capability = V4L2_TUNER_CAP_STEREO |
1773 V4L2_TUNER_CAP_LANG1 | V4L2_TUNER_CAP_LANG2;
1776 mode = desc->getmode(chip);
1778 if (mode & V4L2_TUNER_MODE_MONO)
1779 vt->rxsubchans |= V4L2_TUNER_SUB_MONO;
1780 if (mode & V4L2_TUNER_MODE_STEREO)
1781 vt->rxsubchans |= V4L2_TUNER_SUB_STEREO;
1782 /* Note: for SAP it should be mono/lang2 or stereo/lang2.
1783 When this module is converted fully to v4l2, then this
1784 should change for those chips that can detect SAP. */
1785 if (mode & V4L2_TUNER_MODE_LANG1)
1786 vt->rxsubchans = V4L2_TUNER_SUB_LANG1 |
1787 V4L2_TUNER_SUB_LANG2;
1793 case VIDIOC_S_FREQUENCY:
1794 chip->mode = 0; /* automatic */
1795 if (desc->checkmode && desc->setmode) {
1796 desc->setmode(chip,V4L2_TUNER_MODE_MONO);
1797 if (chip->prevmode != V4L2_TUNER_MODE_MONO)
1798 chip->prevmode = -1; /* reset previous mode */
1799 mod_timer(&chip->wt, jiffies+msecs_to_jiffies(2000));
1800 /* the thread will call checkmode() later */
1804 case VIDIOC_G_CHIP_IDENT:
1805 return v4l2_chip_ident_i2c_client(client, arg, V4L2_IDENT_TVAUDIO, 0);
1810 static int chip_legacy_probe(struct i2c_adapter *adap)
1812 /* don't attach on saa7146 based cards,
1813 because dedicated drivers are used */
1814 if ((adap->id == I2C_HW_SAA7146))
1816 if (adap->class & I2C_CLASS_TV_ANALOG)
1821 /* This driver supports many devices and the idea is to let the driver
1822 detect which device is present. So rather than listing all supported
1823 devices here, we pretend to support a single, fake device type. */
1824 static const struct i2c_device_id chip_id[] = {
1828 MODULE_DEVICE_TABLE(i2c, chip_id);
1830 static struct v4l2_i2c_driver_data v4l2_i2c_data = {
1832 .driverid = I2C_DRIVERID_TVAUDIO,
1833 .command = chip_command,
1834 .probe = chip_probe,
1835 .remove = chip_remove,
1836 .legacy_probe = chip_legacy_probe,
1837 .id_table = chip_id,