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/config.h>
18 #include <linux/module.h>
19 #include <linux/moduleparam.h>
20 #include <linux/kernel.h>
21 #include <linux/sched.h>
22 #include <linux/string.h>
23 #include <linux/timer.h>
24 #include <linux/delay.h>
25 #include <linux/errno.h>
26 #include <linux/slab.h>
27 #include <linux/videodev.h>
28 #include <linux/i2c.h>
29 #include <linux/i2c-algo-bit.h>
30 #include <linux/init.h>
31 #include <linux/smp_lock.h>
33 #include <media/audiochip.h>
38 /* ---------------------------------------------------------------------- */
41 static int debug
= 0; /* 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");
49 #define dprintk if (debug) printk
51 /* ---------------------------------------------------------------------- */
57 typedef int (*getvalue
)(int);
58 typedef int (*checkit
)(struct CHIPSTATE
*);
59 typedef int (*initialize
)(struct CHIPSTATE
*);
60 typedef int (*getmode
)(struct CHIPSTATE
*);
61 typedef void (*setmode
)(struct CHIPSTATE
*, int mode
);
62 typedef void (*checkmode
)(struct CHIPSTATE
*);
65 typedef struct AUDIOCMD
{
66 int count
; /* # of bytes to send */
67 unsigned char bytes
[MAXREGS
+1]; /* addr, data, data, ... */
70 /* chip description */
72 char *name
; /* chip name */
74 int addr_lo
, addr_hi
; /* i2c address range */
75 int registers
; /* # of registers */
79 initialize initialize
;
81 #define CHIP_HAS_VOLUME 1
82 #define CHIP_HAS_BASSTREBLE 2
83 #define CHIP_HAS_INPUTSEL 4
85 /* various i2c command sequences */
88 /* which register has which value */
89 int leftreg
,rightreg
,treblereg
,bassreg
;
91 /* initialize with (defaults to 65535/65535/32768/32768 */
92 int leftinit
,rightinit
,trebleinit
,bassinit
;
94 /* functions to convert the values (v4l -> chip) */
95 getvalue volfunc
,treblefunc
,bassfunc
;
101 /* check / autoswitch audio after channel switches */
104 /* input switch register + values for v4l inputs */
110 static struct CHIPDESC chiplist
[];
112 /* current state of the chip */
116 /* index into CHIPDESC array */
119 /* shadow register set */
122 /* current settings */
123 __u16 left
,right
,treble
,bass
,mode
;
129 struct completion texit
;
130 wait_queue_head_t wq
;
131 struct timer_list wt
;
136 #define VIDEO_MODE_RADIO 16 /* norm magic for radio mode */
138 /* ---------------------------------------------------------------------- */
141 static unsigned short normal_i2c
[] = {
153 static struct i2c_driver driver
;
154 static struct i2c_client client_template
;
157 /* ---------------------------------------------------------------------- */
158 /* i2c I/O functions */
160 static int chip_write(struct CHIPSTATE
*chip
, int subaddr
, int val
)
162 unsigned char buffer
[2];
165 dprintk("%s: chip_write: 0x%x\n",
166 i2c_clientname(&chip
->c
), val
);
167 chip
->shadow
.bytes
[1] = val
;
169 if (1 != i2c_master_send(&chip
->c
,buffer
,1)) {
170 printk(KERN_WARNING
"%s: I/O error (write 0x%x)\n",
171 i2c_clientname(&chip
->c
), val
);
175 dprintk("%s: chip_write: reg%d=0x%x\n",
176 i2c_clientname(&chip
->c
), subaddr
, val
);
177 chip
->shadow
.bytes
[subaddr
+1] = val
;
180 if (2 != i2c_master_send(&chip
->c
,buffer
,2)) {
181 printk(KERN_WARNING
"%s: I/O error (write reg%d=0x%x)\n",
182 i2c_clientname(&chip
->c
), subaddr
, val
);
189 static int chip_write_masked(struct CHIPSTATE
*chip
, int subaddr
, int val
, int mask
)
193 val
= (chip
->shadow
.bytes
[1] & ~mask
) | (val
& mask
);
195 val
= (chip
->shadow
.bytes
[subaddr
+1] & ~mask
) | (val
& mask
);
198 return chip_write(chip
, subaddr
, val
);
201 static int chip_read(struct CHIPSTATE
*chip
)
203 unsigned char buffer
;
205 if (1 != i2c_master_recv(&chip
->c
,&buffer
,1)) {
206 printk(KERN_WARNING
"%s: I/O error (read)\n",
207 i2c_clientname(&chip
->c
));
210 dprintk("%s: chip_read: 0x%x\n",i2c_clientname(&chip
->c
),buffer
);
214 static int chip_read2(struct CHIPSTATE
*chip
, int subaddr
)
216 unsigned char write
[1];
217 unsigned char read
[1];
218 struct i2c_msg msgs
[2] = {
219 { chip
->c
.addr
, 0, 1, write
},
220 { chip
->c
.addr
, I2C_M_RD
, 1, read
}
224 if (2 != i2c_transfer(chip
->c
.adapter
,msgs
,2)) {
225 printk(KERN_WARNING
"%s: I/O error (read2)\n",
226 i2c_clientname(&chip
->c
));
229 dprintk("%s: chip_read2: reg%d=0x%x\n",
230 i2c_clientname(&chip
->c
),subaddr
,read
[0]);
234 static int chip_cmd(struct CHIPSTATE
*chip
, char *name
, audiocmd
*cmd
)
241 /* update our shadow register set; print bytes if (debug > 0) */
242 dprintk("%s: chip_cmd(%s): reg=%d, data:",
243 i2c_clientname(&chip
->c
),name
,cmd
->bytes
[0]);
244 for (i
= 1; i
< cmd
->count
; i
++) {
245 dprintk(" 0x%x",cmd
->bytes
[i
]);
246 chip
->shadow
.bytes
[i
+cmd
->bytes
[0]] = cmd
->bytes
[i
];
250 /* send data to the chip */
251 if (cmd
->count
!= i2c_master_send(&chip
->c
,cmd
->bytes
,cmd
->count
)) {
252 printk(KERN_WARNING
"%s: I/O error (%s)\n", i2c_clientname(&chip
->c
), name
);
258 /* ---------------------------------------------------------------------- */
259 /* kernel thread for doing i2c stuff asyncronly
260 * right now it is used only to check the audio mode (mono/stereo/whatever)
261 * some time after switching to another TV channel, then turn on stereo
265 static void chip_thread_wake(unsigned long data
)
267 struct CHIPSTATE
*chip
= (struct CHIPSTATE
*)data
;
268 wake_up_interruptible(&chip
->wq
);
271 static int chip_thread(void *data
)
273 DECLARE_WAITQUEUE(wait
, current
);
274 struct CHIPSTATE
*chip
= data
;
275 struct CHIPDESC
*desc
= chiplist
+ chip
->type
;
277 daemonize("%s",i2c_clientname(&chip
->c
));
278 allow_signal(SIGTERM
);
279 dprintk("%s: thread started\n", i2c_clientname(&chip
->c
));
282 add_wait_queue(&chip
->wq
, &wait
);
284 set_current_state(TASK_INTERRUPTIBLE
);
287 remove_wait_queue(&chip
->wq
, &wait
);
288 if (chip
->done
|| signal_pending(current
))
290 dprintk("%s: thread wakeup\n", i2c_clientname(&chip
->c
));
292 /* don't do anything for radio or if mode != auto */
293 if (chip
->norm
== VIDEO_MODE_RADIO
|| chip
->mode
!= 0)
296 /* have a look what's going on */
297 desc
->checkmode(chip
);
299 /* schedule next check */
300 mod_timer(&chip
->wt
, jiffies
+2*HZ
);
303 dprintk("%s: thread exiting\n", i2c_clientname(&chip
->c
));
304 complete_and_exit(&chip
->texit
, 0);
308 static void generic_checkmode(struct CHIPSTATE
*chip
)
310 struct CHIPDESC
*desc
= chiplist
+ chip
->type
;
311 int mode
= desc
->getmode(chip
);
313 if (mode
== chip
->prevmode
)
316 dprintk("%s: thread checkmode\n", i2c_clientname(&chip
->c
));
317 chip
->prevmode
= mode
;
319 if (mode
& VIDEO_SOUND_STEREO
)
320 desc
->setmode(chip
,VIDEO_SOUND_STEREO
);
321 else if (mode
& VIDEO_SOUND_LANG1
)
322 desc
->setmode(chip
,VIDEO_SOUND_LANG1
);
323 else if (mode
& VIDEO_SOUND_LANG2
)
324 desc
->setmode(chip
,VIDEO_SOUND_LANG2
);
326 desc
->setmode(chip
,VIDEO_SOUND_MONO
);
329 /* ---------------------------------------------------------------------- */
330 /* audio chip descriptions - defines+functions for tda9840 */
332 #define TDA9840_SW 0x00
333 #define TDA9840_LVADJ 0x02
334 #define TDA9840_STADJ 0x03
335 #define TDA9840_TEST 0x04
337 #define TDA9840_MONO 0x10
338 #define TDA9840_STEREO 0x2a
339 #define TDA9840_DUALA 0x12
340 #define TDA9840_DUALB 0x1e
341 #define TDA9840_DUALAB 0x1a
342 #define TDA9840_DUALBA 0x16
343 #define TDA9840_EXTERNAL 0x7a
345 #define TDA9840_DS_DUAL 0x20 /* Dual sound identified */
346 #define TDA9840_ST_STEREO 0x40 /* Stereo sound identified */
347 #define TDA9840_PONRES 0x80 /* Power-on reset detected if = 1 */
349 #define TDA9840_TEST_INT1SN 0x1 /* Integration time 0.5s when set */
350 #define TDA9840_TEST_INTFU 0x02 /* Disables integrator function */
352 static int tda9840_getmode(struct CHIPSTATE
*chip
)
356 val
= chip_read(chip
);
357 mode
= VIDEO_SOUND_MONO
;
358 if (val
& TDA9840_DS_DUAL
)
359 mode
|= VIDEO_SOUND_LANG1
| VIDEO_SOUND_LANG2
;
360 if (val
& TDA9840_ST_STEREO
)
361 mode
|= VIDEO_SOUND_STEREO
;
363 dprintk ("tda9840_getmode(): raw chip read: %d, return: %d\n",
368 static void tda9840_setmode(struct CHIPSTATE
*chip
, int mode
)
371 int t
= chip
->shadow
.bytes
[TDA9840_SW
+ 1] & ~0x7e;
374 case VIDEO_SOUND_MONO
:
377 case VIDEO_SOUND_STEREO
:
380 case VIDEO_SOUND_LANG1
:
383 case VIDEO_SOUND_LANG2
:
391 chip_write(chip
, TDA9840_SW
, t
);
394 /* ---------------------------------------------------------------------- */
395 /* audio chip descriptions - defines+functions for tda985x */
397 /* subaddresses for TDA9855 */
398 #define TDA9855_VR 0x00 /* Volume, right */
399 #define TDA9855_VL 0x01 /* Volume, left */
400 #define TDA9855_BA 0x02 /* Bass */
401 #define TDA9855_TR 0x03 /* Treble */
402 #define TDA9855_SW 0x04 /* Subwoofer - not connected on DTV2000 */
404 /* subaddresses for TDA9850 */
405 #define TDA9850_C4 0x04 /* Control 1 for TDA9850 */
407 /* subaddesses for both chips */
408 #define TDA985x_C5 0x05 /* Control 2 for TDA9850, Control 1 for TDA9855 */
409 #define TDA985x_C6 0x06 /* Control 3 for TDA9850, Control 2 for TDA9855 */
410 #define TDA985x_C7 0x07 /* Control 4 for TDA9850, Control 3 for TDA9855 */
411 #define TDA985x_A1 0x08 /* Alignment 1 for both chips */
412 #define TDA985x_A2 0x09 /* Alignment 2 for both chips */
413 #define TDA985x_A3 0x0a /* Alignment 3 for both chips */
415 /* Masks for bits in TDA9855 subaddresses */
416 /* 0x00 - VR in TDA9855 */
417 /* 0x01 - VL in TDA9855 */
418 /* lower 7 bits control gain from -71dB (0x28) to 16dB (0x7f)
419 * in 1dB steps - mute is 0x27 */
422 /* 0x02 - BA in TDA9855 */
423 /* lower 5 bits control bass gain from -12dB (0x06) to 16.5dB (0x19)
424 * in .5dB steps - 0 is 0x0E */
427 /* 0x03 - TR in TDA9855 */
428 /* 4 bits << 1 control treble gain from -12dB (0x3) to 12dB (0xb)
429 * in 3dB steps - 0 is 0x7 */
431 /* Masks for bits in both chips' subaddresses */
432 /* 0x04 - SW in TDA9855, C4/Control 1 in TDA9850 */
433 /* Unique to TDA9855: */
434 /* 4 bits << 2 control subwoofer/surround gain from -14db (0x1) to 14db (0xf)
435 * in 3dB steps - mute is 0x0 */
437 /* Unique to TDA9850: */
438 /* lower 4 bits control stereo noise threshold, over which stereo turns off
439 * set to values of 0x00 through 0x0f for Ster1 through Ster16 */
442 /* 0x05 - C5 - Control 1 in TDA9855 , Control 2 in TDA9850*/
443 /* Unique to TDA9855: */
444 #define TDA9855_MUTE 1<<7 /* GMU, Mute at outputs */
445 #define TDA9855_AVL 1<<6 /* AVL, Automatic Volume Level */
446 #define TDA9855_LOUD 1<<5 /* Loudness, 1==off */
447 #define TDA9855_SUR 1<<3 /* Surround / Subwoofer 1==.5(L-R) 0==.5(L+R) */
448 /* Bits 0 to 3 select various combinations
449 * of line in and line out, only the
450 * interesting ones are defined */
451 #define TDA9855_EXT 1<<2 /* Selects inputs LIR and LIL. Pins 41 & 12 */
452 #define TDA9855_INT 0 /* Selects inputs LOR and LOL. (internal) */
454 /* Unique to TDA9850: */
455 /* lower 4 bits contol SAP noise threshold, over which SAP turns off
456 * set to values of 0x00 through 0x0f for SAP1 through SAP16 */
459 /* 0x06 - C6 - Control 2 in TDA9855, Control 3 in TDA9850 */
460 /* Common to TDA9855 and TDA9850: */
461 #define TDA985x_SAP 3<<6 /* Selects SAP output, mute if not received */
462 #define TDA985x_STEREO 1<<6 /* Selects Stereo ouput, mono if not received */
463 #define TDA985x_MONO 0 /* Forces Mono output */
464 #define TDA985x_LMU 1<<3 /* Mute (LOR/LOL for 9855, OUTL/OUTR for 9850) */
466 /* Unique to TDA9855: */
467 #define TDA9855_TZCM 1<<5 /* If set, don't mute till zero crossing */
468 #define TDA9855_VZCM 1<<4 /* If set, don't change volume till zero crossing*/
469 #define TDA9855_LINEAR 0 /* Linear Stereo */
470 #define TDA9855_PSEUDO 1 /* Pseudo Stereo */
471 #define TDA9855_SPAT_30 2 /* Spatial Stereo, 30% anti-phase crosstalk */
472 #define TDA9855_SPAT_50 3 /* Spatial Stereo, 52% anti-phase crosstalk */
473 #define TDA9855_E_MONO 7 /* Forced mono - mono select elseware, so useless*/
475 /* 0x07 - C7 - Control 3 in TDA9855, Control 4 in TDA9850 */
476 /* Common to both TDA9855 and TDA9850: */
477 /* lower 4 bits control input gain from -3.5dB (0x0) to 4dB (0xF)
478 * in .5dB steps - 0dB is 0x7 */
480 /* 0x08, 0x09 - A1 and A2 (read/write) */
481 /* Common to both TDA9855 and TDA9850: */
482 /* lower 5 bites are wideband and spectral expander alignment
483 * from 0x00 to 0x1f - nominal at 0x0f and 0x10 (read/write) */
484 #define TDA985x_STP 1<<5 /* Stereo Pilot/detect (read-only) */
485 #define TDA985x_SAPP 1<<6 /* SAP Pilot/detect (read-only) */
486 #define TDA985x_STS 1<<7 /* Stereo trigger 1= <35mV 0= <30mV (write-only)*/
489 /* Common to both TDA9855 and TDA9850: */
490 /* lower 3 bits control timing current for alignment: -30% (0x0), -20% (0x1),
491 * -10% (0x2), nominal (0x3), +10% (0x6), +20% (0x5), +30% (0x4) */
492 #define TDA985x_ADJ 1<<7 /* Stereo adjust on/off (wideband and spectral */
494 static int tda9855_volume(int val
) { return val
/0x2e8+0x27; }
495 static int tda9855_bass(int val
) { return val
/0xccc+0x06; }
496 static int tda9855_treble(int val
) { return (val
/0x1c71+0x3)<<1; }
498 static int tda985x_getmode(struct CHIPSTATE
*chip
)
502 mode
= ((TDA985x_STP
| TDA985x_SAPP
) &
503 chip_read(chip
)) >> 4;
504 /* Add mono mode regardless of SAP and stereo */
505 /* Allows forced mono */
506 return mode
| VIDEO_SOUND_MONO
;
509 static void tda985x_setmode(struct CHIPSTATE
*chip
, int mode
)
512 int c6
= chip
->shadow
.bytes
[TDA985x_C6
+1] & 0x3f;
515 case VIDEO_SOUND_MONO
:
518 case VIDEO_SOUND_STEREO
:
519 c6
|= TDA985x_STEREO
;
521 case VIDEO_SOUND_LANG1
:
528 chip_write(chip
,TDA985x_C6
,c6
);
532 /* ---------------------------------------------------------------------- */
533 /* audio chip descriptions - defines+functions for tda9873h */
535 /* Subaddresses for TDA9873H */
537 #define TDA9873_SW 0x00 /* Switching */
538 #define TDA9873_AD 0x01 /* Adjust */
539 #define TDA9873_PT 0x02 /* Port */
541 /* Subaddress 0x00: Switching Data
544 * B1, B0: Input source selection
546 * 1, 0 external stereo
549 #define TDA9873_INP_MASK 3
550 #define TDA9873_INTERNAL 0
551 #define TDA9873_EXT_STEREO 2
552 #define TDA9873_EXT_MONO 1
554 /* B3, B2: output signal select
555 * B4 : transmission mode
558 * 1, 1, 1 Stereo (reversed channel)
565 #define TDA9873_TR_MASK (7 << 2)
566 #define TDA9873_TR_MONO 4
567 #define TDA9873_TR_STEREO 1 << 4
568 #define TDA9873_TR_REVERSE (1 << 3) & (1 << 2)
569 #define TDA9873_TR_DUALA 1 << 2
570 #define TDA9873_TR_DUALB 1 << 3
572 /* output level controls
573 * B5: output level switch (0 = reduced gain, 1 = normal gain)
574 * B6: mute (1 = muted)
575 * B7: auto-mute (1 = auto-mute enabled)
578 #define TDA9873_GAIN_NORMAL 1 << 5
579 #define TDA9873_MUTE 1 << 6
580 #define TDA9873_AUTOMUTE 1 << 7
582 /* Subaddress 0x01: Adjust/standard */
584 /* Lower 4 bits (C3..C0) control stereo adjustment on R channel (-0.6 - +0.7 dB)
585 * Recommended value is +0 dB
588 #define TDA9873_STEREO_ADJ 0x06 /* 0dB gain */
590 /* Bits C6..C4 control FM stantard
592 * 0, 0, 0 B/G (PAL FM)
601 #define TDA9873_DK1 2
602 #define TDA9873_DK2 3
603 #define TDA9873_DK3 4
606 /* C7 controls identification response time (1=fast/0=normal)
608 #define TDA9873_IDR_NORM 0
609 #define TDA9873_IDR_FAST 1 << 7
612 /* Subaddress 0x02: Port data */
614 /* E1, E0 free programmable ports P1/P2
621 #define TDA9873_PORTS 3
624 #define TDA9873_TST_PORT 1 << 2
626 /* E5..E3 control mono output channel (together with transmission mode bit B4)
631 * 0 1 0 1 mono (from stereo decoder)
633 #define TDA9873_MOUT_MONO 0
634 #define TDA9873_MOUT_FMONO 0
635 #define TDA9873_MOUT_DUALA 0
636 #define TDA9873_MOUT_DUALB 1 << 3
637 #define TDA9873_MOUT_ST 1 << 4
638 #define TDA9873_MOUT_EXTM (1 << 4 ) & (1 << 3)
639 #define TDA9873_MOUT_EXTL 1 << 5
640 #define TDA9873_MOUT_EXTR (1 << 5 ) & (1 << 3)
641 #define TDA9873_MOUT_EXTLR (1 << 5 ) & (1 << 4)
642 #define TDA9873_MOUT_MUTE (1 << 5 ) & (1 << 4) & (1 << 3)
644 /* Status bits: (chip read) */
645 #define TDA9873_PONR 0 /* Power-on reset detected if = 1 */
646 #define TDA9873_STEREO 2 /* Stereo sound is identified */
647 #define TDA9873_DUAL 4 /* Dual sound is identified */
649 static int tda9873_getmode(struct CHIPSTATE
*chip
)
653 val
= chip_read(chip
);
654 mode
= VIDEO_SOUND_MONO
;
655 if (val
& TDA9873_STEREO
)
656 mode
|= VIDEO_SOUND_STEREO
;
657 if (val
& TDA9873_DUAL
)
658 mode
|= VIDEO_SOUND_LANG1
| VIDEO_SOUND_LANG2
;
659 dprintk ("tda9873_getmode(): raw chip read: %d, return: %d\n",
664 static void tda9873_setmode(struct CHIPSTATE
*chip
, int mode
)
666 int sw_data
= chip
->shadow
.bytes
[TDA9873_SW
+1] & ~ TDA9873_TR_MASK
;
667 /* int adj_data = chip->shadow.bytes[TDA9873_AD+1] ; */
669 if ((sw_data
& TDA9873_INP_MASK
) != TDA9873_INTERNAL
) {
670 dprintk("tda9873_setmode(): external input\n");
674 dprintk("tda9873_setmode(): chip->shadow.bytes[%d] = %d\n", TDA9873_SW
+1, chip
->shadow
.bytes
[TDA9873_SW
+1]);
675 dprintk("tda9873_setmode(): sw_data = %d\n", sw_data
);
678 case VIDEO_SOUND_MONO
:
679 sw_data
|= TDA9873_TR_MONO
;
681 case VIDEO_SOUND_STEREO
:
682 sw_data
|= TDA9873_TR_STEREO
;
684 case VIDEO_SOUND_LANG1
:
685 sw_data
|= TDA9873_TR_DUALA
;
687 case VIDEO_SOUND_LANG2
:
688 sw_data
|= TDA9873_TR_DUALB
;
695 chip_write(chip
, TDA9873_SW
, sw_data
);
696 dprintk("tda9873_setmode(): req. mode %d; chip_write: %d\n",
700 static int tda9873_checkit(struct CHIPSTATE
*chip
)
704 if (-1 == (rc
= chip_read2(chip
,254)))
706 return (rc
& ~0x1f) == 0x80;
710 /* ---------------------------------------------------------------------- */
711 /* audio chip description - defines+functions for tda9874h and tda9874a */
712 /* Dariusz Kowalewski <darekk@automex.pl> */
714 /* Subaddresses for TDA9874H and TDA9874A (slave rx) */
715 #define TDA9874A_AGCGR 0x00 /* AGC gain */
716 #define TDA9874A_GCONR 0x01 /* general config */
717 #define TDA9874A_MSR 0x02 /* monitor select */
718 #define TDA9874A_C1FRA 0x03 /* carrier 1 freq. */
719 #define TDA9874A_C1FRB 0x04 /* carrier 1 freq. */
720 #define TDA9874A_C1FRC 0x05 /* carrier 1 freq. */
721 #define TDA9874A_C2FRA 0x06 /* carrier 2 freq. */
722 #define TDA9874A_C2FRB 0x07 /* carrier 2 freq. */
723 #define TDA9874A_C2FRC 0x08 /* carrier 2 freq. */
724 #define TDA9874A_DCR 0x09 /* demodulator config */
725 #define TDA9874A_FMER 0x0a /* FM de-emphasis */
726 #define TDA9874A_FMMR 0x0b /* FM dematrix */
727 #define TDA9874A_C1OLAR 0x0c /* ch.1 output level adj. */
728 #define TDA9874A_C2OLAR 0x0d /* ch.2 output level adj. */
729 #define TDA9874A_NCONR 0x0e /* NICAM config */
730 #define TDA9874A_NOLAR 0x0f /* NICAM output level adj. */
731 #define TDA9874A_NLELR 0x10 /* NICAM lower error limit */
732 #define TDA9874A_NUELR 0x11 /* NICAM upper error limit */
733 #define TDA9874A_AMCONR 0x12 /* audio mute control */
734 #define TDA9874A_SDACOSR 0x13 /* stereo DAC output select */
735 #define TDA9874A_AOSR 0x14 /* analog output select */
736 #define TDA9874A_DAICONR 0x15 /* digital audio interface config */
737 #define TDA9874A_I2SOSR 0x16 /* I2S-bus output select */
738 #define TDA9874A_I2SOLAR 0x17 /* I2S-bus output level adj. */
739 #define TDA9874A_MDACOSR 0x18 /* mono DAC output select (tda9874a) */
740 #define TDA9874A_ESP 0xFF /* easy standard progr. (tda9874a) */
742 /* Subaddresses for TDA9874H and TDA9874A (slave tx) */
743 #define TDA9874A_DSR 0x00 /* device status */
744 #define TDA9874A_NSR 0x01 /* NICAM status */
745 #define TDA9874A_NECR 0x02 /* NICAM error count */
746 #define TDA9874A_DR1 0x03 /* add. data LSB */
747 #define TDA9874A_DR2 0x04 /* add. data MSB */
748 #define TDA9874A_LLRA 0x05 /* monitor level read-out LSB */
749 #define TDA9874A_LLRB 0x06 /* monitor level read-out MSB */
750 #define TDA9874A_SIFLR 0x07 /* SIF level */
751 #define TDA9874A_TR2 252 /* test reg. 2 */
752 #define TDA9874A_TR1 253 /* test reg. 1 */
753 #define TDA9874A_DIC 254 /* device id. code */
754 #define TDA9874A_SIC 255 /* software id. code */
757 static int tda9874a_mode
= 1; /* 0: A2, 1: NICAM */
758 static int tda9874a_GCONR
= 0xc0; /* default config. input pin: SIFSEL=0 */
759 static int tda9874a_NCONR
= 0x01; /* default NICAM config.: AMSEL=0,AMUTE=1 */
760 static int tda9874a_ESP
= 0x07; /* default standard: NICAM D/K */
761 static int tda9874a_dic
= -1; /* device id. code */
763 /* insmod options for tda9874a */
764 static unsigned int tda9874a_SIF
= UNSET
;
765 static unsigned int tda9874a_AMSEL
= UNSET
;
766 static unsigned int tda9874a_STD
= UNSET
;
767 module_param(tda9874a_SIF
, int, 0444);
768 module_param(tda9874a_AMSEL
, int, 0444);
769 module_param(tda9874a_STD
, int, 0444);
772 * initialization table for tda9874 decoder:
773 * - carrier 1 freq. registers (3 bytes)
774 * - carrier 2 freq. registers (3 bytes)
775 * - demudulator config register
776 * - FM de-emphasis register (slow identification mode)
777 * Note: frequency registers must be written in single i2c transfer.
779 static struct tda9874a_MODES
{
782 } tda9874a_modelist
[9] = {
784 { 9, { TDA9874A_C1FRA
, 0x72,0x95,0x55, 0x77,0xA0,0x00, 0x00,0x00 }} },
786 { 9, { TDA9874A_C1FRA
, 0x5D,0xC0,0x00, 0x62,0x6A,0xAA, 0x20,0x22 }} },
788 { 9, { TDA9874A_C1FRA
, 0x87,0x6A,0xAA, 0x82,0x60,0x00, 0x00,0x00 }} },
790 { 9, { TDA9874A_C1FRA
, 0x87,0x6A,0xAA, 0x8C,0x75,0x55, 0x00,0x00 }} },
792 { 9, { TDA9874A_C1FRA
, 0x87,0x6A,0xAA, 0x77,0xA0,0x00, 0x00,0x00 }} },
794 { 9, { TDA9874A_C1FRA
, 0x7D,0x00,0x00, 0x88,0x8A,0xAA, 0x08,0x33 }} },
796 { 9, { TDA9874A_C1FRA
, 0x72,0x95,0x55, 0x79,0xEA,0xAA, 0x08,0x33 }} },
797 { "NICAM, D/K", /* default */
798 { 9, { TDA9874A_C1FRA
, 0x87,0x6A,0xAA, 0x79,0xEA,0xAA, 0x08,0x33 }} },
800 { 9, { TDA9874A_C1FRA
, 0x87,0x6A,0xAA, 0x79,0xEA,0xAA, 0x09,0x33 }} }
803 static int tda9874a_setup(struct CHIPSTATE
*chip
)
805 chip_write(chip
, TDA9874A_AGCGR
, 0x00); /* 0 dB */
806 chip_write(chip
, TDA9874A_GCONR
, tda9874a_GCONR
);
807 chip_write(chip
, TDA9874A_MSR
, (tda9874a_mode
) ? 0x03:0x02);
808 if(tda9874a_dic
== 0x11) {
809 chip_write(chip
, TDA9874A_FMMR
, 0x80);
810 } else { /* dic == 0x07 */
811 chip_cmd(chip
,"tda9874_modelist",&tda9874a_modelist
[tda9874a_STD
].cmd
);
812 chip_write(chip
, TDA9874A_FMMR
, 0x00);
814 chip_write(chip
, TDA9874A_C1OLAR
, 0x00); /* 0 dB */
815 chip_write(chip
, TDA9874A_C2OLAR
, 0x00); /* 0 dB */
816 chip_write(chip
, TDA9874A_NCONR
, tda9874a_NCONR
);
817 chip_write(chip
, TDA9874A_NOLAR
, 0x00); /* 0 dB */
818 /* Note: If signal quality is poor you may want to change NICAM */
819 /* error limit registers (NLELR and NUELR) to some greater values. */
820 /* Then the sound would remain stereo, but won't be so clear. */
821 chip_write(chip
, TDA9874A_NLELR
, 0x14); /* default */
822 chip_write(chip
, TDA9874A_NUELR
, 0x50); /* default */
824 if(tda9874a_dic
== 0x11) {
825 chip_write(chip
, TDA9874A_AMCONR
, 0xf9);
826 chip_write(chip
, TDA9874A_SDACOSR
, (tda9874a_mode
) ? 0x81:0x80);
827 chip_write(chip
, TDA9874A_AOSR
, 0x80);
828 chip_write(chip
, TDA9874A_MDACOSR
, (tda9874a_mode
) ? 0x82:0x80);
829 chip_write(chip
, TDA9874A_ESP
, tda9874a_ESP
);
830 } else { /* dic == 0x07 */
831 chip_write(chip
, TDA9874A_AMCONR
, 0xfb);
832 chip_write(chip
, TDA9874A_SDACOSR
, (tda9874a_mode
) ? 0x81:0x80);
833 chip_write(chip
, TDA9874A_AOSR
, 0x00); // or 0x10
835 dprintk("tda9874a_setup(): %s [0x%02X].\n",
836 tda9874a_modelist
[tda9874a_STD
].name
,tda9874a_STD
);
840 static int tda9874a_getmode(struct CHIPSTATE
*chip
)
843 int necr
; /* just for debugging */
845 mode
= VIDEO_SOUND_MONO
;
847 if(-1 == (dsr
= chip_read2(chip
,TDA9874A_DSR
)))
849 if(-1 == (nsr
= chip_read2(chip
,TDA9874A_NSR
)))
851 if(-1 == (necr
= chip_read2(chip
,TDA9874A_NECR
)))
854 /* need to store dsr/nsr somewhere */
855 chip
->shadow
.bytes
[MAXREGS
-2] = dsr
;
856 chip
->shadow
.bytes
[MAXREGS
-1] = nsr
;
859 /* Note: DSR.RSSF and DSR.AMSTAT bits are also checked.
860 * If NICAM auto-muting is enabled, DSR.AMSTAT=1 indicates
861 * that sound has (temporarily) switched from NICAM to
862 * mono FM (or AM) on 1st sound carrier due to high NICAM bit
863 * error count. So in fact there is no stereo in this case :-(
864 * But changing the mode to VIDEO_SOUND_MONO would switch
865 * external 4052 multiplexer in audio_hook().
868 if((nsr
& 0x02) && !(dsr
& 0x10)) /* NSR.S/MB=1 and DSR.AMSTAT=0 */
869 mode
|= VIDEO_SOUND_STEREO
;
871 if(nsr
& 0x02) /* NSR.S/MB=1 */
872 mode
|= VIDEO_SOUND_STEREO
;
874 if(nsr
& 0x01) /* NSR.D/SB=1 */
875 mode
|= VIDEO_SOUND_LANG1
| VIDEO_SOUND_LANG2
;
877 if(dsr
& 0x02) /* DSR.IDSTE=1 */
878 mode
|= VIDEO_SOUND_STEREO
;
879 if(dsr
& 0x04) /* DSR.IDDUA=1 */
880 mode
|= VIDEO_SOUND_LANG1
| VIDEO_SOUND_LANG2
;
883 dprintk("tda9874a_getmode(): DSR=0x%X, NSR=0x%X, NECR=0x%X, return: %d.\n",
884 dsr
, nsr
, necr
, mode
);
888 static void tda9874a_setmode(struct CHIPSTATE
*chip
, int mode
)
890 /* Disable/enable NICAM auto-muting (based on DSR.RSSF status bit). */
891 /* If auto-muting is disabled, we can hear a signal of degrading quality. */
893 if(chip
->shadow
.bytes
[MAXREGS
-2] & 0x20) /* DSR.RSSF=1 */
894 tda9874a_NCONR
&= 0xfe; /* enable */
896 tda9874a_NCONR
|= 0x01; /* disable */
897 chip_write(chip
, TDA9874A_NCONR
, tda9874a_NCONR
);
900 /* Note: TDA9874A supports automatic FM dematrixing (FMMR register)
901 * and has auto-select function for audio output (AOSR register).
902 * Old TDA9874H doesn't support these features.
903 * TDA9874A also has additional mono output pin (OUTM), which
904 * on same (all?) tv-cards is not used, anyway (as well as MONOIN).
906 if(tda9874a_dic
== 0x11) {
908 int mdacosr
= (tda9874a_mode
) ? 0x82:0x80;
911 case VIDEO_SOUND_MONO
:
912 case VIDEO_SOUND_STEREO
:
914 case VIDEO_SOUND_LANG1
:
915 aosr
= 0x80; /* auto-select, dual A/A */
916 mdacosr
= (tda9874a_mode
) ? 0x82:0x80;
918 case VIDEO_SOUND_LANG2
:
919 aosr
= 0xa0; /* auto-select, dual B/B */
920 mdacosr
= (tda9874a_mode
) ? 0x83:0x81;
926 chip_write(chip
, TDA9874A_AOSR
, aosr
);
927 chip_write(chip
, TDA9874A_MDACOSR
, mdacosr
);
929 dprintk("tda9874a_setmode(): req. mode %d; AOSR=0x%X, MDACOSR=0x%X.\n",
930 mode
, aosr
, mdacosr
);
932 } else { /* dic == 0x07 */
936 case VIDEO_SOUND_MONO
:
937 fmmr
= 0x00; /* mono */
938 aosr
= 0x10; /* A/A */
940 case VIDEO_SOUND_STEREO
:
943 aosr
= 0x00; /* handled by NICAM auto-mute */
945 fmmr
= (tda9874a_ESP
== 1) ? 0x05 : 0x04; /* stereo */
949 case VIDEO_SOUND_LANG1
:
950 fmmr
= 0x02; /* dual */
951 aosr
= 0x10; /* dual A/A */
953 case VIDEO_SOUND_LANG2
:
954 fmmr
= 0x02; /* dual */
955 aosr
= 0x20; /* dual B/B */
961 chip_write(chip
, TDA9874A_FMMR
, fmmr
);
962 chip_write(chip
, TDA9874A_AOSR
, aosr
);
964 dprintk("tda9874a_setmode(): req. mode %d; FMMR=0x%X, AOSR=0x%X.\n",
969 static int tda9874a_checkit(struct CHIPSTATE
*chip
)
971 int dic
,sic
; /* device id. and software id. codes */
973 if(-1 == (dic
= chip_read2(chip
,TDA9874A_DIC
)))
975 if(-1 == (sic
= chip_read2(chip
,TDA9874A_SIC
)))
978 dprintk("tda9874a_checkit(): DIC=0x%X, SIC=0x%X.\n", dic
, sic
);
980 if((dic
== 0x11)||(dic
== 0x07)) {
981 printk("tvaudio: found tda9874%s.\n", (dic
== 0x11) ? "a":"h");
982 tda9874a_dic
= dic
; /* remember device id. */
985 return 0; /* not found */
988 static int tda9874a_initialize(struct CHIPSTATE
*chip
)
990 if (tda9874a_SIF
> 2)
992 if (tda9874a_STD
> 8)
994 if(tda9874a_AMSEL
> 1)
997 if(tda9874a_SIF
== 1)
998 tda9874a_GCONR
= 0xc0; /* sound IF input 1 */
1000 tda9874a_GCONR
= 0xc1; /* sound IF input 2 */
1002 tda9874a_ESP
= tda9874a_STD
;
1003 tda9874a_mode
= (tda9874a_STD
< 5) ? 0 : 1;
1005 if(tda9874a_AMSEL
== 0)
1006 tda9874a_NCONR
= 0x01; /* auto-mute: analog mono input */
1008 tda9874a_NCONR
= 0x05; /* auto-mute: 1st carrier FM or AM */
1010 tda9874a_setup(chip
);
1015 /* ---------------------------------------------------------------------- */
1016 /* audio chip descriptions - defines+functions for tea6420 */
1018 #define TEA6300_VL 0x00 /* volume left */
1019 #define TEA6300_VR 0x01 /* volume right */
1020 #define TEA6300_BA 0x02 /* bass */
1021 #define TEA6300_TR 0x03 /* treble */
1022 #define TEA6300_FA 0x04 /* fader control */
1023 #define TEA6300_S 0x05 /* switch register */
1024 /* values for those registers: */
1025 #define TEA6300_S_SA 0x01 /* stereo A input */
1026 #define TEA6300_S_SB 0x02 /* stereo B */
1027 #define TEA6300_S_SC 0x04 /* stereo C */
1028 #define TEA6300_S_GMU 0x80 /* general mute */
1030 #define TEA6320_V 0x00 /* volume (0-5)/loudness off (6)/zero crossing mute(7) */
1031 #define TEA6320_FFR 0x01 /* fader front right (0-5) */
1032 #define TEA6320_FFL 0x02 /* fader front left (0-5) */
1033 #define TEA6320_FRR 0x03 /* fader rear right (0-5) */
1034 #define TEA6320_FRL 0x04 /* fader rear left (0-5) */
1035 #define TEA6320_BA 0x05 /* bass (0-4) */
1036 #define TEA6320_TR 0x06 /* treble (0-4) */
1037 #define TEA6320_S 0x07 /* switch register */
1038 /* values for those registers: */
1039 #define TEA6320_S_SA 0x07 /* stereo A input */
1040 #define TEA6320_S_SB 0x06 /* stereo B */
1041 #define TEA6320_S_SC 0x05 /* stereo C */
1042 #define TEA6320_S_SD 0x04 /* stereo D */
1043 #define TEA6320_S_GMU 0x80 /* general mute */
1045 #define TEA6420_S_SA 0x00 /* stereo A input */
1046 #define TEA6420_S_SB 0x01 /* stereo B */
1047 #define TEA6420_S_SC 0x02 /* stereo C */
1048 #define TEA6420_S_SD 0x03 /* stereo D */
1049 #define TEA6420_S_SE 0x04 /* stereo E */
1050 #define TEA6420_S_GMU 0x05 /* general mute */
1052 static int tea6300_shift10(int val
) { return val
>> 10; }
1053 static int tea6300_shift12(int val
) { return val
>> 12; }
1055 /* Assumes 16bit input (values 0x3f to 0x0c are unique, values less than */
1056 /* 0x0c mirror those immediately higher) */
1057 static int tea6320_volume(int val
) { return (val
/ (65535/(63-12)) + 12) & 0x3f; }
1058 static int tea6320_shift11(int val
) { return val
>> 11; }
1059 static int tea6320_initialize(struct CHIPSTATE
* chip
)
1061 chip_write(chip
, TEA6320_FFR
, 0x3f);
1062 chip_write(chip
, TEA6320_FFL
, 0x3f);
1063 chip_write(chip
, TEA6320_FRR
, 0x3f);
1064 chip_write(chip
, TEA6320_FRL
, 0x3f);
1070 /* ---------------------------------------------------------------------- */
1071 /* audio chip descriptions - defines+functions for tda8425 */
1073 #define TDA8425_VL 0x00 /* volume left */
1074 #define TDA8425_VR 0x01 /* volume right */
1075 #define TDA8425_BA 0x02 /* bass */
1076 #define TDA8425_TR 0x03 /* treble */
1077 #define TDA8425_S1 0x08 /* switch functions */
1078 /* values for those registers: */
1079 #define TDA8425_S1_OFF 0xEE /* audio off (mute on) */
1080 #define TDA8425_S1_CH1 0xCE /* audio channel 1 (mute off) - "linear stereo" mode */
1081 #define TDA8425_S1_CH2 0xCF /* audio channel 2 (mute off) - "linear stereo" mode */
1082 #define TDA8425_S1_MU 0x20 /* mute bit */
1083 #define TDA8425_S1_STEREO 0x18 /* stereo bits */
1084 #define TDA8425_S1_STEREO_SPATIAL 0x18 /* spatial stereo */
1085 #define TDA8425_S1_STEREO_LINEAR 0x08 /* linear stereo */
1086 #define TDA8425_S1_STEREO_PSEUDO 0x10 /* pseudo stereo */
1087 #define TDA8425_S1_STEREO_MONO 0x00 /* forced mono */
1088 #define TDA8425_S1_ML 0x06 /* language selector */
1089 #define TDA8425_S1_ML_SOUND_A 0x02 /* sound a */
1090 #define TDA8425_S1_ML_SOUND_B 0x04 /* sound b */
1091 #define TDA8425_S1_ML_STEREO 0x06 /* stereo */
1092 #define TDA8425_S1_IS 0x01 /* channel selector */
1095 static int tda8425_shift10(int val
) { return (val
>> 10) | 0xc0; }
1096 static int tda8425_shift12(int val
) { return (val
>> 12) | 0xf0; }
1098 static int tda8425_initialize(struct CHIPSTATE
*chip
)
1100 struct CHIPDESC
*desc
= chiplist
+ chip
->type
;
1101 int inputmap
[8] = { /* tuner */ TDA8425_S1_CH2
, /* radio */ TDA8425_S1_CH1
,
1102 /* extern */ TDA8425_S1_CH1
, /* intern */ TDA8425_S1_OFF
,
1103 /* off */ TDA8425_S1_OFF
, /* on */ TDA8425_S1_CH2
};
1105 if (chip
->c
.adapter
->id
== (I2C_ALGO_BIT
| I2C_HW_B_RIVA
)) {
1106 memcpy (desc
->inputmap
, inputmap
, sizeof (inputmap
));
1111 static void tda8425_setmode(struct CHIPSTATE
*chip
, int mode
)
1113 int s1
= chip
->shadow
.bytes
[TDA8425_S1
+1] & 0xe1;
1115 if (mode
& VIDEO_SOUND_LANG1
) {
1116 s1
|= TDA8425_S1_ML_SOUND_A
;
1117 s1
|= TDA8425_S1_STEREO_PSEUDO
;
1119 } else if (mode
& VIDEO_SOUND_LANG2
) {
1120 s1
|= TDA8425_S1_ML_SOUND_B
;
1121 s1
|= TDA8425_S1_STEREO_PSEUDO
;
1124 s1
|= TDA8425_S1_ML_STEREO
;
1126 if (mode
& VIDEO_SOUND_MONO
)
1127 s1
|= TDA8425_S1_STEREO_MONO
;
1128 if (mode
& VIDEO_SOUND_STEREO
)
1129 s1
|= TDA8425_S1_STEREO_SPATIAL
;
1131 chip_write(chip
,TDA8425_S1
,s1
);
1135 /* ---------------------------------------------------------------------- */
1136 /* audio chip descriptions - defines+functions for pic16c54 (PV951) */
1138 /* the registers of 16C54, I2C sub address. */
1139 #define PIC16C54_REG_KEY_CODE 0x01 /* Not use. */
1140 #define PIC16C54_REG_MISC 0x02
1142 /* bit definition of the RESET register, I2C data. */
1143 #define PIC16C54_MISC_RESET_REMOTE_CTL 0x01 /* bit 0, Reset to receive the key */
1144 /* code of remote controller */
1145 #define PIC16C54_MISC_MTS_MAIN 0x02 /* bit 1 */
1146 #define PIC16C54_MISC_MTS_SAP 0x04 /* bit 2 */
1147 #define PIC16C54_MISC_MTS_BOTH 0x08 /* bit 3 */
1148 #define PIC16C54_MISC_SND_MUTE 0x10 /* bit 4, Mute Audio(Line-in and Tuner) */
1149 #define PIC16C54_MISC_SND_NOTMUTE 0x20 /* bit 5 */
1150 #define PIC16C54_MISC_SWITCH_TUNER 0x40 /* bit 6 , Switch to Line-in */
1151 #define PIC16C54_MISC_SWITCH_LINE 0x80 /* bit 7 , Switch to Tuner */
1153 /* ---------------------------------------------------------------------- */
1154 /* audio chip descriptions - defines+functions for TA8874Z */
1157 #define TA8874Z_LED_STE 0x80
1158 #define TA8874Z_LED_BIL 0x40
1159 #define TA8874Z_LED_EXT 0x20
1160 #define TA8874Z_MONO_SET 0x10
1161 #define TA8874Z_MUTE 0x08
1162 #define TA8874Z_F_MONO 0x04
1163 #define TA8874Z_MODE_SUB 0x02
1164 #define TA8874Z_MODE_MAIN 0x01
1167 //#define TA8874Z_TI 0x80 // test mode
1168 #define TA8874Z_SEPARATION 0x3f
1169 #define TA8874Z_SEPARATION_DEFAULT 0x10
1172 #define TA8874Z_B1 0x80
1173 #define TA8874Z_B0 0x40
1174 #define TA8874Z_CHAG_FLAG 0x20
1181 static int ta8874z_getmode(struct CHIPSTATE
*chip
)
1185 val
= chip_read(chip
);
1186 mode
= VIDEO_SOUND_MONO
;
1187 if (val
& TA8874Z_B1
){
1188 mode
|= VIDEO_SOUND_LANG1
| VIDEO_SOUND_LANG2
;
1189 }else if (!(val
& TA8874Z_B0
)){
1190 mode
|= VIDEO_SOUND_STEREO
;
1192 //dprintk ("ta8874z_getmode(): raw chip read: 0x%02x, return: 0x%02x\n", val, mode);
1196 static audiocmd ta8874z_stereo
= { 2, {0, TA8874Z_SEPARATION_DEFAULT
}};
1197 static audiocmd ta8874z_mono
= {2, { TA8874Z_MONO_SET
, TA8874Z_SEPARATION_DEFAULT
}};
1198 static audiocmd ta8874z_main
= {2, { 0, TA8874Z_SEPARATION_DEFAULT
}};
1199 static audiocmd ta8874z_sub
= {2, { TA8874Z_MODE_SUB
, TA8874Z_SEPARATION_DEFAULT
}};
1201 static void ta8874z_setmode(struct CHIPSTATE
*chip
, int mode
)
1205 dprintk("ta8874z_setmode(): mode: 0x%02x\n", mode
);
1208 case VIDEO_SOUND_MONO
:
1211 case VIDEO_SOUND_STEREO
:
1212 t
= &ta8874z_stereo
;
1214 case VIDEO_SOUND_LANG1
:
1217 case VIDEO_SOUND_LANG2
:
1225 chip_cmd(chip
, "TA8874Z", t
);
1228 static int ta8874z_checkit(struct CHIPSTATE
*chip
)
1231 rc
= chip_read(chip
);
1232 return ((rc
& 0x1f) == 0x1f) ? 1 : 0;
1235 /* ---------------------------------------------------------------------- */
1236 /* audio chip descriptions - struct CHIPDESC */
1238 /* insmod options to enable/disable individual audio chips */
1239 static int tda8425
= 1;
1240 static int tda9840
= 1;
1241 static int tda9850
= 1;
1242 static int tda9855
= 1;
1243 static int tda9873
= 1;
1244 static int tda9874a
= 1;
1245 static int tea6300
= 0; // address clash with msp34xx
1246 static int tea6320
= 0; // address clash with msp34xx
1247 static int tea6420
= 1;
1248 static int pic16c54
= 1;
1249 static int ta8874z
= 0; // address clash with tda9840
1251 module_param(tda8425
, int, 0444);
1252 module_param(tda9840
, int, 0444);
1253 module_param(tda9850
, int, 0444);
1254 module_param(tda9855
, int, 0444);
1255 module_param(tda9873
, int, 0444);
1256 module_param(tda9874a
, int, 0444);
1257 module_param(tea6300
, int, 0444);
1258 module_param(tea6320
, int, 0444);
1259 module_param(tea6420
, int, 0444);
1260 module_param(pic16c54
, int, 0444);
1261 module_param(ta8874z
, int, 0444);
1263 static struct CHIPDESC chiplist
[] = {
1266 .id
= I2C_DRIVERID_TDA9840
,
1267 .insmodopt
= &tda9840
,
1268 .addr_lo
= I2C_TDA9840
>> 1,
1269 .addr_hi
= I2C_TDA9840
>> 1,
1272 .getmode
= tda9840_getmode
,
1273 .setmode
= tda9840_setmode
,
1274 .checkmode
= generic_checkmode
,
1276 .init
= { 2, { TDA9840_TEST
, TDA9840_TEST_INT1SN
1277 /* ,TDA9840_SW, TDA9840_MONO */} }
1281 .id
= I2C_DRIVERID_TDA9873
,
1282 .checkit
= tda9873_checkit
,
1283 .insmodopt
= &tda9873
,
1284 .addr_lo
= I2C_TDA985x_L
>> 1,
1285 .addr_hi
= I2C_TDA985x_H
>> 1,
1287 .flags
= CHIP_HAS_INPUTSEL
,
1289 .getmode
= tda9873_getmode
,
1290 .setmode
= tda9873_setmode
,
1291 .checkmode
= generic_checkmode
,
1293 .init
= { 4, { TDA9873_SW
, 0xa4, 0x06, 0x03 } },
1294 .inputreg
= TDA9873_SW
,
1295 .inputmute
= TDA9873_MUTE
| TDA9873_AUTOMUTE
,
1296 .inputmap
= {0xa0, 0xa2, 0xa0, 0xa0, 0xc0},
1297 .inputmask
= TDA9873_INP_MASK
|TDA9873_MUTE
|TDA9873_AUTOMUTE
,
1301 .name
= "tda9874h/a",
1302 .id
= I2C_DRIVERID_TDA9874
,
1303 .checkit
= tda9874a_checkit
,
1304 .initialize
= tda9874a_initialize
,
1305 .insmodopt
= &tda9874a
,
1306 .addr_lo
= I2C_TDA9874
>> 1,
1307 .addr_hi
= I2C_TDA9874
>> 1,
1309 .getmode
= tda9874a_getmode
,
1310 .setmode
= tda9874a_setmode
,
1311 .checkmode
= generic_checkmode
,
1315 .id
= I2C_DRIVERID_TDA9850
,
1316 .insmodopt
= &tda9850
,
1317 .addr_lo
= I2C_TDA985x_L
>> 1,
1318 .addr_hi
= I2C_TDA985x_H
>> 1,
1321 .getmode
= tda985x_getmode
,
1322 .setmode
= tda985x_setmode
,
1324 .init
= { 8, { TDA9850_C4
, 0x08, 0x08, TDA985x_STEREO
, 0x07, 0x10, 0x10, 0x03 } }
1328 .id
= I2C_DRIVERID_TDA9855
,
1329 .insmodopt
= &tda9855
,
1330 .addr_lo
= I2C_TDA985x_L
>> 1,
1331 .addr_hi
= I2C_TDA985x_H
>> 1,
1333 .flags
= CHIP_HAS_VOLUME
| CHIP_HAS_BASSTREBLE
,
1335 .leftreg
= TDA9855_VL
,
1336 .rightreg
= TDA9855_VR
,
1337 .bassreg
= TDA9855_BA
,
1338 .treblereg
= TDA9855_TR
,
1339 .volfunc
= tda9855_volume
,
1340 .bassfunc
= tda9855_bass
,
1341 .treblefunc
= tda9855_treble
,
1343 .getmode
= tda985x_getmode
,
1344 .setmode
= tda985x_setmode
,
1346 .init
= { 12, { 0, 0x6f, 0x6f, 0x0e, 0x07<<1, 0x8<<2,
1347 TDA9855_MUTE
| TDA9855_AVL
| TDA9855_LOUD
| TDA9855_INT
,
1348 TDA985x_STEREO
| TDA9855_LINEAR
| TDA9855_TZCM
| TDA9855_VZCM
,
1349 0x07, 0x10, 0x10, 0x03 }}
1353 .id
= I2C_DRIVERID_TEA6300
,
1354 .insmodopt
= &tea6300
,
1355 .addr_lo
= I2C_TEA6300
>> 1,
1356 .addr_hi
= I2C_TEA6300
>> 1,
1358 .flags
= CHIP_HAS_VOLUME
| CHIP_HAS_BASSTREBLE
| CHIP_HAS_INPUTSEL
,
1360 .leftreg
= TEA6300_VR
,
1361 .rightreg
= TEA6300_VL
,
1362 .bassreg
= TEA6300_BA
,
1363 .treblereg
= TEA6300_TR
,
1364 .volfunc
= tea6300_shift10
,
1365 .bassfunc
= tea6300_shift12
,
1366 .treblefunc
= tea6300_shift12
,
1368 .inputreg
= TEA6300_S
,
1369 .inputmap
= { TEA6300_S_SA
, TEA6300_S_SB
, TEA6300_S_SC
},
1370 .inputmute
= TEA6300_S_GMU
,
1374 .id
= I2C_DRIVERID_TEA6300
,
1375 .initialize
= tea6320_initialize
,
1376 .insmodopt
= &tea6320
,
1377 .addr_lo
= I2C_TEA6300
>> 1,
1378 .addr_hi
= I2C_TEA6300
>> 1,
1380 .flags
= CHIP_HAS_VOLUME
| CHIP_HAS_BASSTREBLE
| CHIP_HAS_INPUTSEL
,
1382 .leftreg
= TEA6320_V
,
1383 .rightreg
= TEA6320_V
,
1384 .bassreg
= TEA6320_BA
,
1385 .treblereg
= TEA6320_TR
,
1386 .volfunc
= tea6320_volume
,
1387 .bassfunc
= tea6320_shift11
,
1388 .treblefunc
= tea6320_shift11
,
1390 .inputreg
= TEA6320_S
,
1391 .inputmap
= { TEA6320_S_SA
, TEA6420_S_SB
, TEA6300_S_SC
, TEA6320_S_SD
},
1392 .inputmute
= TEA6300_S_GMU
,
1396 .id
= I2C_DRIVERID_TEA6420
,
1397 .insmodopt
= &tea6420
,
1398 .addr_lo
= I2C_TEA6420
>> 1,
1399 .addr_hi
= I2C_TEA6420
>> 1,
1401 .flags
= CHIP_HAS_INPUTSEL
,
1404 .inputmap
= { TEA6420_S_SA
, TEA6420_S_SB
, TEA6420_S_SC
},
1405 .inputmute
= TEA6300_S_GMU
,
1409 .id
= I2C_DRIVERID_TDA8425
,
1410 .insmodopt
= &tda8425
,
1411 .addr_lo
= I2C_TDA8425
>> 1,
1412 .addr_hi
= I2C_TDA8425
>> 1,
1414 .flags
= CHIP_HAS_VOLUME
| CHIP_HAS_BASSTREBLE
| CHIP_HAS_INPUTSEL
,
1416 .leftreg
= TDA8425_VL
,
1417 .rightreg
= TDA8425_VR
,
1418 .bassreg
= TDA8425_BA
,
1419 .treblereg
= TDA8425_TR
,
1420 .volfunc
= tda8425_shift10
,
1421 .bassfunc
= tda8425_shift12
,
1422 .treblefunc
= tda8425_shift12
,
1424 .inputreg
= TDA8425_S1
,
1425 .inputmap
= { TDA8425_S1_CH1
, TDA8425_S1_CH1
, TDA8425_S1_CH1
},
1426 .inputmute
= TDA8425_S1_OFF
,
1428 .setmode
= tda8425_setmode
,
1429 .initialize
= tda8425_initialize
,
1432 .name
= "pic16c54 (PV951)",
1433 .id
= I2C_DRIVERID_PIC16C54_PV951
,
1434 .insmodopt
= &pic16c54
,
1435 .addr_lo
= I2C_PIC16C54
>> 1,
1436 .addr_hi
= I2C_PIC16C54
>> 1,
1438 .flags
= CHIP_HAS_INPUTSEL
,
1440 .inputreg
= PIC16C54_REG_MISC
,
1441 .inputmap
= {PIC16C54_MISC_SND_NOTMUTE
|PIC16C54_MISC_SWITCH_TUNER
,
1442 PIC16C54_MISC_SND_NOTMUTE
|PIC16C54_MISC_SWITCH_LINE
,
1443 PIC16C54_MISC_SND_NOTMUTE
|PIC16C54_MISC_SWITCH_LINE
,
1444 PIC16C54_MISC_SND_MUTE
,PIC16C54_MISC_SND_MUTE
,
1445 PIC16C54_MISC_SND_NOTMUTE
},
1446 .inputmute
= PIC16C54_MISC_SND_MUTE
,
1451 //.id = I2C_DRIVERID_TA8874Z,
1452 .checkit
= ta8874z_checkit
,
1453 .insmodopt
= &ta8874z
,
1454 .addr_lo
= I2C_TDA9840
>> 1,
1455 .addr_hi
= I2C_TDA9840
>> 1,
1458 .getmode
= ta8874z_getmode
,
1459 .setmode
= ta8874z_setmode
,
1460 .checkmode
= generic_checkmode
,
1462 .init
= {2, { TA8874Z_MONO_SET
, TA8874Z_SEPARATION_DEFAULT
}},
1464 { .name
= NULL
} /* EOF */
1468 /* ---------------------------------------------------------------------- */
1469 /* i2c registration */
1471 static int chip_attach(struct i2c_adapter
*adap
, int addr
, int kind
)
1473 struct CHIPSTATE
*chip
;
1474 struct CHIPDESC
*desc
;
1476 chip
= kmalloc(sizeof(*chip
),GFP_KERNEL
);
1479 memset(chip
,0,sizeof(*chip
));
1480 memcpy(&chip
->c
,&client_template
,sizeof(struct i2c_client
));
1481 chip
->c
.adapter
= adap
;
1482 chip
->c
.addr
= addr
;
1483 i2c_set_clientdata(&chip
->c
, chip
);
1485 /* find description for the chip */
1486 dprintk("tvaudio: chip found @ i2c-addr=0x%x\n", addr
<<1);
1487 for (desc
= chiplist
; desc
->name
!= NULL
; desc
++) {
1488 if (0 == *(desc
->insmodopt
))
1490 if (addr
< desc
->addr_lo
||
1491 addr
> desc
->addr_hi
)
1493 if (desc
->checkit
&& !desc
->checkit(chip
))
1497 if (desc
->name
== NULL
) {
1498 dprintk("tvaudio: no matching chip description found\n");
1501 printk("tvaudio: found %s @ 0x%x\n", desc
->name
, addr
<<1);
1502 dprintk("tvaudio: matches:%s%s%s.\n",
1503 (desc
->flags
& CHIP_HAS_VOLUME
) ? " volume" : "",
1504 (desc
->flags
& CHIP_HAS_BASSTREBLE
) ? " bass/treble" : "",
1505 (desc
->flags
& CHIP_HAS_INPUTSEL
) ? " audiomux" : "");
1507 /* fill required data structures */
1508 strcpy(i2c_clientname(&chip
->c
),desc
->name
);
1509 chip
->type
= desc
-chiplist
;
1510 chip
->shadow
.count
= desc
->registers
+1;
1511 chip
->prevmode
= -1;
1513 i2c_attach_client(&chip
->c
);
1515 /* initialization */
1516 if (desc
->initialize
!= NULL
)
1517 desc
->initialize(chip
);
1519 chip_cmd(chip
,"init",&desc
->init
);
1521 if (desc
->flags
& CHIP_HAS_VOLUME
) {
1522 chip
->left
= desc
->leftinit
? desc
->leftinit
: 65535;
1523 chip
->right
= desc
->rightinit
? desc
->rightinit
: 65535;
1524 chip_write(chip
,desc
->leftreg
,desc
->volfunc(chip
->left
));
1525 chip_write(chip
,desc
->rightreg
,desc
->volfunc(chip
->right
));
1527 if (desc
->flags
& CHIP_HAS_BASSTREBLE
) {
1528 chip
->treble
= desc
->trebleinit
? desc
->trebleinit
: 32768;
1529 chip
->bass
= desc
->bassinit
? desc
->bassinit
: 32768;
1530 chip_write(chip
,desc
->bassreg
,desc
->bassfunc(chip
->bass
));
1531 chip_write(chip
,desc
->treblereg
,desc
->treblefunc(chip
->treble
));
1535 if (desc
->checkmode
) {
1536 /* start async thread */
1537 init_timer(&chip
->wt
);
1538 chip
->wt
.function
= chip_thread_wake
;
1539 chip
->wt
.data
= (unsigned long)chip
;
1540 init_waitqueue_head(&chip
->wq
);
1541 init_completion(&chip
->texit
);
1542 chip
->tpid
= kernel_thread(chip_thread
,(void *)chip
,0);
1544 printk(KERN_WARNING
"%s: kernel_thread() failed\n",
1545 i2c_clientname(&chip
->c
));
1546 wake_up_interruptible(&chip
->wq
);
1551 static int chip_probe(struct i2c_adapter
*adap
)
1553 /* don't attach on saa7146 based cards,
1554 because dedicated drivers are used */
1555 if ((adap
->id
& I2C_ALGO_SAA7146
))
1557 #ifdef I2C_CLASS_TV_ANALOG
1558 if (adap
->class & I2C_CLASS_TV_ANALOG
)
1559 return i2c_probe(adap
, &addr_data
, chip_attach
);
1562 case I2C_ALGO_BIT
| I2C_HW_B_BT848
:
1563 case I2C_ALGO_BIT
| I2C_HW_B_RIVA
:
1564 case I2C_ALGO_SAA7134
:
1565 return i2c_probe(adap
, &addr_data
, chip_attach
);
1571 static int chip_detach(struct i2c_client
*client
)
1573 struct CHIPSTATE
*chip
= i2c_get_clientdata(client
);
1575 del_timer_sync(&chip
->wt
);
1576 if (chip
->tpid
>= 0) {
1577 /* shutdown async thread */
1579 wake_up_interruptible(&chip
->wq
);
1580 wait_for_completion(&chip
->texit
);
1583 i2c_detach_client(&chip
->c
);
1588 /* ---------------------------------------------------------------------- */
1589 /* video4linux interface */
1591 static int chip_command(struct i2c_client
*client
,
1592 unsigned int cmd
, void *arg
)
1595 struct CHIPSTATE
*chip
= i2c_get_clientdata(client
);
1596 struct CHIPDESC
*desc
= chiplist
+ chip
->type
;
1598 dprintk("%s: chip_command 0x%x\n",i2c_clientname(&chip
->c
),cmd
);
1601 case AUDC_SET_INPUT
:
1602 if (desc
->flags
& CHIP_HAS_INPUTSEL
) {
1604 chip_write_masked(chip
,desc
->inputreg
,desc
->inputmute
,desc
->inputmask
);
1606 chip_write_masked(chip
,desc
->inputreg
,desc
->inputmap
[*sarg
],desc
->inputmask
);
1610 case AUDC_SET_RADIO
:
1611 dprintk(KERN_DEBUG
"tvaudio: AUDC_SET_RADIO\n");
1612 chip
->norm
= VIDEO_MODE_RADIO
;
1613 chip
->watch_stereo
= 0;
1614 /* del_timer(&chip->wt); */
1617 /* --- v4l ioctls --- */
1618 /* take care: bttv does userspace copying, we'll get a
1619 kernel pointer here... */
1622 struct video_audio
*va
= arg
;
1624 if (desc
->flags
& CHIP_HAS_VOLUME
) {
1625 va
->flags
|= VIDEO_AUDIO_VOLUME
;
1626 va
->volume
= max(chip
->left
,chip
->right
);
1628 va
->balance
= (32768*min(chip
->left
,chip
->right
))/
1631 va
->balance
= 32768;
1633 if (desc
->flags
& CHIP_HAS_BASSTREBLE
) {
1634 va
->flags
|= VIDEO_AUDIO_BASS
| VIDEO_AUDIO_TREBLE
;
1635 va
->bass
= chip
->bass
;
1636 va
->treble
= chip
->treble
;
1638 if (chip
->norm
!= VIDEO_MODE_RADIO
) {
1640 va
->mode
= desc
->getmode(chip
);
1642 va
->mode
= VIDEO_SOUND_MONO
;
1649 struct video_audio
*va
= arg
;
1651 if (desc
->flags
& CHIP_HAS_VOLUME
) {
1652 chip
->left
= (min(65536 - va
->balance
,32768) *
1653 va
->volume
) / 32768;
1654 chip
->right
= (min(va
->balance
,(__u16
)32768) *
1655 va
->volume
) / 32768;
1656 chip_write(chip
,desc
->leftreg
,desc
->volfunc(chip
->left
));
1657 chip_write(chip
,desc
->rightreg
,desc
->volfunc(chip
->right
));
1659 if (desc
->flags
& CHIP_HAS_BASSTREBLE
) {
1660 chip
->bass
= va
->bass
;
1661 chip
->treble
= va
->treble
;
1662 chip_write(chip
,desc
->bassreg
,desc
->bassfunc(chip
->bass
));
1663 chip_write(chip
,desc
->treblereg
,desc
->treblefunc(chip
->treble
));
1665 if (desc
->setmode
&& va
->mode
) {
1666 chip
->watch_stereo
= 0;
1667 /* del_timer(&chip->wt); */
1668 chip
->mode
= va
->mode
;
1669 desc
->setmode(chip
,va
->mode
);
1675 struct video_channel
*vc
= arg
;
1677 dprintk(KERN_DEBUG
"tvaudio: VIDIOCSCHAN\n");
1678 chip
->norm
= vc
->norm
;
1683 chip
->mode
= 0; /* automatic */
1684 if (desc
->checkmode
) {
1685 desc
->setmode(chip
,VIDEO_SOUND_MONO
);
1686 if (chip
->prevmode
!= VIDEO_SOUND_MONO
)
1687 chip
->prevmode
= -1; /* reset previous mode */
1688 mod_timer(&chip
->wt
, jiffies
+2*HZ
);
1689 /* the thread will call checkmode() later */
1697 static struct i2c_driver driver
= {
1698 .owner
= THIS_MODULE
,
1699 .name
= "generic i2c audio driver",
1700 .id
= I2C_DRIVERID_TVAUDIO
,
1701 .flags
= I2C_DF_NOTIFY
,
1702 .attach_adapter
= chip_probe
,
1703 .detach_client
= chip_detach
,
1704 .command
= chip_command
,
1707 static struct i2c_client client_template
=
1709 I2C_DEVNAME("(unset)"),
1710 .flags
= I2C_CLIENT_ALLOW_USE
,
1714 static int __init
audiochip_init_module(void)
1716 struct CHIPDESC
*desc
;
1717 printk(KERN_INFO
"tvaudio: TV audio decoder + audio/video mux driver\n");
1718 printk(KERN_INFO
"tvaudio: known chips: ");
1719 for (desc
= chiplist
; desc
->name
!= NULL
; desc
++)
1720 printk("%s%s", (desc
== chiplist
) ? "" : ",",desc
->name
);
1723 return i2c_add_driver(&driver
);
1726 static void __exit
audiochip_cleanup_module(void)
1728 i2c_del_driver(&driver
);
1731 module_init(audiochip_init_module
);
1732 module_exit(audiochip_cleanup_module
);