1 // SPDX-License-Identifier: GPL-2.0-or-later
4 * device driver for philips saa7134 based TV cards
5 * tv audio decoder (fm stereo, nicam, ...)
7 * (c) 2001-03 Gerd Knorr <kraxel@bytesex.org> [SuSE Labs]
11 #include "saa7134-reg.h"
13 #include <linux/init.h>
14 #include <linux/list.h>
15 #include <linux/module.h>
16 #include <linux/kernel.h>
17 #include <linux/kthread.h>
18 #include <linux/delay.h>
19 #include <linux/freezer.h>
20 #include <asm/div64.h>
22 /* ------------------------------------------------------------------ */
24 static unsigned int audio_debug
;
25 module_param(audio_debug
, int, 0644);
26 MODULE_PARM_DESC(audio_debug
,"enable debug messages [tv audio]");
28 static unsigned int audio_ddep
;
29 module_param(audio_ddep
, int, 0644);
30 MODULE_PARM_DESC(audio_ddep
,"audio ddep overwrite");
32 static int audio_clock_override
= UNSET
;
33 module_param(audio_clock_override
, int, 0644);
35 static int audio_clock_tweak
;
36 module_param(audio_clock_tweak
, int, 0644);
37 MODULE_PARM_DESC(audio_clock_tweak
, "Audio clock tick fine tuning for cards with audio crystal that's slightly off (range [-1024 .. 1024])");
39 #define audio_dbg(level, fmt, arg...) do { \
40 if (audio_debug >= level) \
41 printk(KERN_DEBUG pr_fmt("audio: " fmt), ## arg); \
45 #define SCAN_INITIAL_DELAY 1000
46 #define SCAN_SAMPLE_DELAY 200
47 #define SCAN_SUBCARRIER_DELAY 2000
49 /* ------------------------------------------------------------------ */
52 static struct mainscan
{
63 .std
= V4L2_STD_B
| V4L2_STD_GH
,
67 .std
= V4L2_STD_PAL_I
,
71 .std
= V4L2_STD_DK
| V4L2_STD_SECAM_L
| V4L2_STD_SECAM_LC
,
76 static struct saa7134_tvaudio tvaudio
[] = {
78 .name
= "PAL-B/G FM-stereo",
79 .std
= V4L2_STD_PAL_BG
,
80 .mode
= TVAUDIO_FM_BG_STEREO
,
84 .name
= "PAL-D/K1 FM-stereo",
85 .std
= V4L2_STD_PAL_DK
,
88 .mode
= TVAUDIO_FM_BG_STEREO
,
90 .name
= "PAL-D/K2 FM-stereo",
91 .std
= V4L2_STD_PAL_DK
,
94 .mode
= TVAUDIO_FM_BG_STEREO
,
96 .name
= "PAL-D/K3 FM-stereo",
97 .std
= V4L2_STD_PAL_DK
,
100 .mode
= TVAUDIO_FM_BG_STEREO
,
102 .name
= "PAL-B/G NICAM",
103 .std
= V4L2_STD_PAL_BG
,
106 .mode
= TVAUDIO_NICAM_FM
,
108 .name
= "PAL-I NICAM",
109 .std
= V4L2_STD_PAL_I
,
112 .mode
= TVAUDIO_NICAM_FM
,
114 .name
= "PAL-D/K NICAM",
115 .std
= V4L2_STD_PAL_DK
,
118 .mode
= TVAUDIO_NICAM_FM
,
120 .name
= "SECAM-L NICAM",
121 .std
= V4L2_STD_SECAM_L
,
124 .mode
= TVAUDIO_NICAM_AM
,
126 .name
= "SECAM-D/K NICAM",
127 .std
= V4L2_STD_SECAM_DK
,
130 .mode
= TVAUDIO_NICAM_FM
,
132 .name
= "NTSC-A2 FM-stereo",
133 .std
= V4L2_STD_NTSC
,
136 .mode
= TVAUDIO_FM_K_STEREO
,
139 .std
= V4L2_STD_NTSC
,
142 .mode
= TVAUDIO_FM_MONO
,
145 #define TVAUDIO ARRAY_SIZE(tvaudio)
147 /* ------------------------------------------------------------------ */
149 static u32
tvaudio_carr2reg(u32 carrier
)
158 static void tvaudio_setcarrier(struct saa7134_dev
*dev
,
159 int primary
, int secondary
)
163 saa_writel(SAA7134_CARRIER1_FREQ0
>> 2, tvaudio_carr2reg(primary
));
164 saa_writel(SAA7134_CARRIER2_FREQ0
>> 2, tvaudio_carr2reg(secondary
));
167 #define SAA7134_MUTE_MASK 0xbb
168 #define SAA7134_MUTE_ANALOG 0x04
169 #define SAA7134_MUTE_I2S 0x40
171 static void mute_input_7134(struct saa7134_dev
*dev
)
174 struct saa7134_input
*in
;
175 int ausel
=0, ics
=0, ocs
=0;
178 /* look what is to do ... */
180 mute
= (dev
->ctl_mute
||
181 (dev
->automute
&& (&card(dev
).radio
) != in
));
182 if (card(dev
).mute
.type
) {
184 * 7130 - we'll mute using some unconnected audio input
185 * 7134 - we'll probably should switch external mux with gpio
188 in
= &card(dev
).mute
;
191 if (dev
->hw_mute
== mute
&&
192 dev
->hw_input
== in
&& !dev
->insuspend
) {
193 audio_dbg(1, "mute/input: nothing to do [mute=%d,input=%s]\n",
194 mute
, saa7134_input_name
[in
->type
]);
198 audio_dbg(1, "ctl_mute=%d automute=%d input=%s => mute=%d input=%s\n",
199 dev
->ctl_mute
, dev
->automute
,
200 saa7134_input_name
[dev
->input
->type
], mute
,
201 saa7134_input_name
[in
->type
]);
205 if (PCI_DEVICE_ID_PHILIPS_SAA7134
== dev
->pci
->device
)
207 saa_writeb(SAA7134_AUDIO_MUTE_CTRL
, mute
?
209 SAA7134_MUTE_ANALOG
|
213 /* switch internal audio mux */
215 case TV
: ausel
=0xc0; ics
=0x00; ocs
=0x02; break;
216 case LINE1
: ausel
=0x80; ics
=0x00; ocs
=0x00; break;
217 case LINE2
: ausel
=0x80; ics
=0x08; ocs
=0x01; break;
218 case LINE2_LEFT
: ausel
=0x80; ics
=0x08; ocs
=0x05; break;
220 saa_andorb(SAA7134_AUDIO_FORMAT_CTRL
, 0xc0, ausel
);
221 saa_andorb(SAA7134_ANALOG_IO_SELECT
, 0x08, ics
);
222 saa_andorb(SAA7134_ANALOG_IO_SELECT
, 0x07, ocs
);
223 // for oss, we need to change the clock configuration
225 saa_andorb(SAA7134_SIF_SAMPLE_FREQ
, 0x03, 0x00);
227 saa_andorb(SAA7134_SIF_SAMPLE_FREQ
, 0x03, 0x01);
229 /* switch gpio-connected external audio mux */
230 if (0 == card(dev
).gpiomask
)
233 mask
= card(dev
).gpiomask
;
234 saa_andorl(SAA7134_GPIO_GPMODE0
>> 2, mask
, mask
);
235 saa_andorl(SAA7134_GPIO_GPSTATUS0
>> 2, mask
, in
->gpio
);
236 saa7134_track_gpio(dev
, saa7134_input_name
[in
->type
]);
239 static void tvaudio_setmode(struct saa7134_dev
*dev
,
240 struct saa7134_tvaudio
*audio
,
245 if (dev
->tvnorm
->id
== V4L2_STD_NTSC
) {
250 if (audio_clock_tweak
> -1024 && audio_clock_tweak
< 1024)
251 tweak
= audio_clock_tweak
;
254 audio_dbg(1, "tvaudio_setmode: %s %s [%d.%03d/%d.%03d MHz] acpf=%d%+d\n",
256 audio
->carr1
/ 1000, audio
->carr1
% 1000,
257 audio
->carr2
/ 1000, audio
->carr2
% 1000,
261 saa_writeb(SAA7134_AUDIO_CLOCKS_PER_FIELD0
, (acpf
& 0x0000ff) >> 0);
262 saa_writeb(SAA7134_AUDIO_CLOCKS_PER_FIELD1
, (acpf
& 0x00ff00) >> 8);
263 saa_writeb(SAA7134_AUDIO_CLOCKS_PER_FIELD2
, (acpf
& 0x030000) >> 16);
264 tvaudio_setcarrier(dev
,audio
->carr1
,audio
->carr2
);
266 switch (audio
->mode
) {
267 case TVAUDIO_FM_MONO
:
268 case TVAUDIO_FM_BG_STEREO
:
269 saa_writeb(SAA7134_DEMODULATOR
, 0x00);
270 saa_writeb(SAA7134_DCXO_IDENT_CTRL
, 0x00);
271 saa_writeb(SAA7134_FM_DEEMPHASIS
, 0x22);
272 saa_writeb(SAA7134_FM_DEMATRIX
, 0x80);
273 saa_writeb(SAA7134_STEREO_DAC_OUTPUT_SELECT
, 0xa0);
275 case TVAUDIO_FM_K_STEREO
:
276 saa_writeb(SAA7134_DEMODULATOR
, 0x00);
277 saa_writeb(SAA7134_DCXO_IDENT_CTRL
, 0x01);
278 saa_writeb(SAA7134_FM_DEEMPHASIS
, 0x22);
279 saa_writeb(SAA7134_FM_DEMATRIX
, 0x80);
280 saa_writeb(SAA7134_STEREO_DAC_OUTPUT_SELECT
, 0xa0);
282 case TVAUDIO_NICAM_FM
:
283 saa_writeb(SAA7134_DEMODULATOR
, 0x10);
284 saa_writeb(SAA7134_DCXO_IDENT_CTRL
, 0x00);
285 saa_writeb(SAA7134_FM_DEEMPHASIS
, 0x44);
286 saa_writeb(SAA7134_STEREO_DAC_OUTPUT_SELECT
, 0xa1);
287 saa_writeb(SAA7134_NICAM_CONFIG
, 0x00);
289 case TVAUDIO_NICAM_AM
:
290 saa_writeb(SAA7134_DEMODULATOR
, 0x12);
291 saa_writeb(SAA7134_DCXO_IDENT_CTRL
, 0x00);
292 saa_writeb(SAA7134_FM_DEEMPHASIS
, 0x44);
293 saa_writeb(SAA7134_STEREO_DAC_OUTPUT_SELECT
, 0xa1);
294 saa_writeb(SAA7134_NICAM_CONFIG
, 0x00);
296 case TVAUDIO_FM_SAT_STEREO
:
297 /* not implemented (yet) */
302 static int tvaudio_sleep(struct saa7134_dev
*dev
, int timeout
)
304 if (dev
->thread
.scan1
== dev
->thread
.scan2
&&
305 !kthread_should_stop()) {
307 set_current_state(TASK_INTERRUPTIBLE
);
310 schedule_timeout_interruptible
311 (msecs_to_jiffies(timeout
));
314 return dev
->thread
.scan1
!= dev
->thread
.scan2
;
317 static int tvaudio_checkcarrier(struct saa7134_dev
*dev
, struct mainscan
*scan
)
319 __s32 left
,right
,value
;
321 if (!(dev
->tvnorm
->id
& scan
->std
)) {
323 audio_dbg(1, "skipping %d.%03d MHz [%4s]\n",
324 scan
->carr
/ 1000, scan
->carr
% 1000, scan
->name
);
328 if (audio_debug
> 1) {
330 audio_dbg(1, "debug %d:", scan
->carr
);
331 for (i
= -150; i
<= 150; i
+= 30) {
332 tvaudio_setcarrier(dev
,scan
->carr
+i
,scan
->carr
+i
);
333 saa_readl(SAA7134_LEVEL_READOUT1
>> 2);
334 if (tvaudio_sleep(dev
,SCAN_SAMPLE_DELAY
))
336 value
= saa_readl(SAA7134_LEVEL_READOUT1
>> 2);
338 pr_cont(" # %6d # ", value
>> 16);
340 pr_cont(" %6d", value
>> 16);
345 tvaudio_setcarrier(dev
,scan
->carr
-90,scan
->carr
-90);
346 saa_readl(SAA7134_LEVEL_READOUT1
>> 2);
347 if (tvaudio_sleep(dev
,SCAN_SAMPLE_DELAY
))
349 left
= saa_readl(SAA7134_LEVEL_READOUT1
>> 2);
351 tvaudio_setcarrier(dev
,scan
->carr
+90,scan
->carr
+90);
352 saa_readl(SAA7134_LEVEL_READOUT1
>> 2);
353 if (tvaudio_sleep(dev
,SCAN_SAMPLE_DELAY
))
355 right
= saa_readl(SAA7134_LEVEL_READOUT1
>> 2);
359 value
= left
> right
? left
- right
: right
- left
;
360 audio_dbg(1, "scanning %d.%03d MHz [%4s] => dc is %5d [%d/%d]\n",
361 scan
->carr
/ 1000, scan
->carr
% 1000,
362 scan
->name
, value
, left
, right
);
367 static int tvaudio_getstereo(struct saa7134_dev
*dev
, struct saa7134_tvaudio
*audio
)
369 __u32 idp
, nicam
, nicam_status
;
372 switch (audio
->mode
) {
373 case TVAUDIO_FM_MONO
:
374 return V4L2_TUNER_SUB_MONO
;
375 case TVAUDIO_FM_K_STEREO
:
376 case TVAUDIO_FM_BG_STEREO
:
377 idp
= (saa_readb(SAA7134_IDENT_SIF
) & 0xe0) >> 5;
378 audio_dbg(1, "getstereo: fm/stereo: idp=0x%x\n", idp
);
379 if (0x03 == (idp
& 0x03))
380 retval
= V4L2_TUNER_SUB_LANG1
| V4L2_TUNER_SUB_LANG2
;
381 else if (0x05 == (idp
& 0x05))
382 retval
= V4L2_TUNER_SUB_MONO
| V4L2_TUNER_SUB_STEREO
;
383 else if (0x01 == (idp
& 0x01))
384 retval
= V4L2_TUNER_SUB_MONO
;
386 case TVAUDIO_FM_SAT_STEREO
:
387 /* not implemented (yet) */
389 case TVAUDIO_NICAM_FM
:
390 case TVAUDIO_NICAM_AM
:
391 nicam
= saa_readb(SAA7134_AUDIO_STATUS
);
392 audio_dbg(1, "getstereo: nicam=0x%x\n", nicam
);
394 nicam_status
= saa_readb(SAA7134_NICAM_STATUS
);
395 audio_dbg(1, "getstereo: nicam_status=0x%x\n",
398 switch (nicam_status
& 0x03) {
400 retval
= V4L2_TUNER_SUB_LANG1
| V4L2_TUNER_SUB_LANG2
;
403 retval
= V4L2_TUNER_SUB_MONO
| V4L2_TUNER_SUB_STEREO
;
406 retval
= V4L2_TUNER_SUB_MONO
;
409 /* No nicam detected */
414 audio_dbg(1, "found audio subchannels:%s%s%s%s\n",
415 (retval
& V4L2_TUNER_SUB_MONO
) ? " mono" : "",
416 (retval
& V4L2_TUNER_SUB_STEREO
) ? " stereo" : "",
417 (retval
& V4L2_TUNER_SUB_LANG1
) ? " lang1" : "",
418 (retval
& V4L2_TUNER_SUB_LANG2
) ? " lang2" : "");
422 static int tvaudio_setstereo(struct saa7134_dev
*dev
, struct saa7134_tvaudio
*audio
,
425 static char *name
[] = {
426 [ V4L2_TUNER_MODE_MONO
] = "mono",
427 [ V4L2_TUNER_MODE_STEREO
] = "stereo",
428 [ V4L2_TUNER_MODE_LANG1
] = "lang1",
429 [ V4L2_TUNER_MODE_LANG2
] = "lang2",
430 [ V4L2_TUNER_MODE_LANG1_LANG2
] = "lang1+lang2",
433 [ V4L2_TUNER_MODE_MONO
] = 0x00, /* ch1 */
434 [ V4L2_TUNER_MODE_STEREO
] = 0x80, /* auto */
435 [ V4L2_TUNER_MODE_LANG1
] = 0x00, /* ch1 */
436 [ V4L2_TUNER_MODE_LANG2
] = 0x01, /* ch2 */
437 [ V4L2_TUNER_MODE_LANG1_LANG2
] = 0x80, /* auto */
441 switch (audio
->mode
) {
442 case TVAUDIO_FM_MONO
:
443 /* nothing to do ... */
445 case TVAUDIO_FM_K_STEREO
:
446 case TVAUDIO_FM_BG_STEREO
:
447 case TVAUDIO_NICAM_AM
:
448 case TVAUDIO_NICAM_FM
:
449 audio_dbg(1, "setstereo [fm] => %s\n",
450 name
[mode
% ARRAY_SIZE(name
)]);
451 reg
= fm
[ mode
% ARRAY_SIZE(fm
) ];
452 saa_writeb(SAA7134_FM_DEMATRIX
, reg
);
454 case TVAUDIO_FM_SAT_STEREO
:
455 /* Not implemented */
461 static int tvaudio_thread(void *data
)
463 struct saa7134_dev
*dev
= data
;
464 int carr_vals
[ARRAY_SIZE(mainscan
)];
465 unsigned int i
, audio
, nscan
;
466 int max1
,max2
,carrier
,rx
,mode
,lastmode
,default_carrier
;
471 tvaudio_sleep(dev
,-1);
472 if (kthread_should_stop())
478 dev
->thread
.scan1
= dev
->thread
.scan2
;
479 audio_dbg(1, "tvaudio thread scan start [%d]\n",
483 saa_writeb(SAA7134_MONITOR_SELECT
, 0xa0);
484 saa_writeb(SAA7134_FM_DEMATRIX
, 0x80);
486 if (dev
->ctl_automute
)
489 mute_input_7134(dev
);
491 /* give the tuner some time */
492 if (tvaudio_sleep(dev
,SCAN_INITIAL_DELAY
))
500 for (i
= 0; i
< ARRAY_SIZE(mainscan
); i
++) {
501 if (!(dev
->tvnorm
->id
& mainscan
[i
].std
))
503 if (!default_carrier
)
504 default_carrier
= mainscan
[i
].carr
;
509 /* only one candidate -- skip scan ;) */
510 audio_dbg(1, "only one main carrier candidate - skipping scan\n");
512 carrier
= default_carrier
;
514 /* scan for the main carrier */
515 saa_writeb(SAA7134_MONITOR_SELECT
,0x00);
516 tvaudio_setmode(dev
,&tvaudio
[0],NULL
);
517 for (i
= 0; i
< ARRAY_SIZE(mainscan
); i
++) {
518 carr_vals
[i
] = tvaudio_checkcarrier(dev
, mainscan
+i
);
519 if (dev
->thread
.scan1
!= dev
->thread
.scan2
)
522 for (max1
= 0, max2
= 0, i
= 0; i
< ARRAY_SIZE(mainscan
); i
++) {
523 if (max1
< carr_vals
[i
]) {
526 carrier
= mainscan
[i
].carr
;
527 } else if (max2
< carr_vals
[i
]) {
533 if (0 != carrier
&& max1
> 2000 && max1
> max2
*3) {
534 /* found good carrier */
535 audio_dbg(1, "found %s main sound carrier @ %d.%03d MHz [%d/%d]\n",
536 dev
->tvnorm
->name
, carrier
/1000, carrier
%1000,
538 dev
->last_carrier
= carrier
;
541 } else if (0 != dev
->last_carrier
) {
542 /* no carrier -- try last detected one as fallback */
543 carrier
= dev
->last_carrier
;
544 audio_dbg(1, "audio carrier scan failed, using %d.%03d MHz [last detected]\n",
545 carrier
/1000, carrier
%1000);
549 /* no carrier + no fallback -- use default */
550 carrier
= default_carrier
;
551 audio_dbg(1, "audio carrier scan failed, using %d.%03d MHz [default]\n",
552 carrier
/1000, carrier
%1000);
555 tvaudio_setcarrier(dev
,carrier
,carrier
);
556 saa_andorb(SAA7134_STEREO_DAC_OUTPUT_SELECT
, 0x30, 0x00);
557 saa7134_tvaudio_setmute(dev
);
558 /* find the exact tv audio norm */
559 for (audio
= UNSET
, i
= 0; i
< TVAUDIO
; i
++) {
560 if (dev
->tvnorm
->id
!= UNSET
&&
561 !(dev
->tvnorm
->id
& tvaudio
[i
].std
))
563 if (tvaudio
[i
].carr1
!= carrier
)
565 /* Note: at least the primary carrier is right here */
568 tvaudio_setmode(dev
,&tvaudio
[i
],"trying");
569 if (tvaudio_sleep(dev
,SCAN_SUBCARRIER_DELAY
))
571 if (-1 != tvaudio_getstereo(dev
,&tvaudio
[i
])) {
576 saa_andorb(SAA7134_STEREO_DAC_OUTPUT_SELECT
, 0x30, 0x30);
579 tvaudio_setmode(dev
,&tvaudio
[audio
],"using");
581 tvaudio_setstereo(dev
,&tvaudio
[audio
],V4L2_TUNER_MODE_MONO
);
582 dev
->tvaudio
= &tvaudio
[audio
];
589 if (tvaudio_sleep(dev
,5000))
591 if (kthread_should_stop())
593 if (UNSET
== dev
->thread
.mode
) {
594 rx
= tvaudio_getstereo(dev
, &tvaudio
[audio
]);
595 mode
= saa7134_tvaudio_rx2mode(rx
);
597 mode
= dev
->thread
.mode
;
599 if (lastmode
!= mode
) {
600 tvaudio_setstereo(dev
,&tvaudio
[audio
],mode
);
607 dev
->thread
.stopped
= 1;
611 /* ------------------------------------------------------------------ */
612 /* saa7133 / saa7135 code */
614 static char *stdres
[0x20] = {
615 [0x00] = "no standard detected",
616 [0x01] = "B/G (in progress)",
617 [0x02] = "D/K (in progress)",
618 [0x03] = "M (in progress)",
621 [0x05] = "B/G NICAM",
622 [0x06] = "D/K A2 (1)",
623 [0x07] = "D/K A2 (2)",
624 [0x08] = "D/K A2 (3)",
625 [0x09] = "D/K NICAM",
633 [0x0f] = "FM radio / IF 10.7 / 50 deemp",
634 [0x10] = "FM radio / IF 10.7 / 75 deemp",
635 [0x11] = "FM radio / IF sel / 50 deemp",
636 [0x12] = "FM radio / IF sel / 75 deemp",
638 [0x13 ... 0x1e ] = "unknown",
639 [0x1f] = "??? [in progress]",
644 #define SAA7135_DSP_RWCLEAR_RERR 1
646 static inline int saa_dsp_reset_error_bit(struct saa7134_dev
*dev
)
648 int state
= saa_readb(SAA7135_DSP_RWSTATE
);
649 if (unlikely(state
& SAA7135_DSP_RWSTATE_ERR
)) {
650 audio_dbg(2, "%s: resetting error bit\n", dev
->name
);
651 saa_writeb(SAA7135_DSP_RWCLEAR
, SAA7135_DSP_RWCLEAR_RERR
);
656 static inline int saa_dsp_wait_bit(struct saa7134_dev
*dev
, int bit
)
658 int state
, count
= DSP_RETRY
;
660 state
= saa_readb(SAA7135_DSP_RWSTATE
);
661 if (unlikely(state
& SAA7135_DSP_RWSTATE_ERR
)) {
662 pr_warn("%s: dsp access error\n", dev
->name
);
663 saa_dsp_reset_error_bit(dev
);
666 while (0 == (state
& bit
)) {
667 if (unlikely(0 == count
)) {
668 pr_err("dsp access wait timeout [bit=%s]\n",
669 (bit
& SAA7135_DSP_RWSTATE_WRR
) ? "WRR" :
670 (bit
& SAA7135_DSP_RWSTATE_RDB
) ? "RDB" :
671 (bit
& SAA7135_DSP_RWSTATE_IDA
) ? "IDA" :
676 state
= saa_readb(SAA7135_DSP_RWSTATE
);
683 int saa_dsp_writel(struct saa7134_dev
*dev
, int reg
, u32 value
)
687 audio_dbg(2, "dsp write reg 0x%x = 0x%06x\n", reg
<< 2, value
);
688 err
= saa_dsp_wait_bit(dev
,SAA7135_DSP_RWSTATE_WRR
);
691 saa_writel(reg
,value
);
692 err
= saa_dsp_wait_bit(dev
,SAA7135_DSP_RWSTATE_WRR
);
698 static int getstereo_7133(struct saa7134_dev
*dev
)
700 int retval
= V4L2_TUNER_SUB_MONO
;
703 value
= saa_readl(0x528 >> 2);
705 retval
= V4L2_TUNER_SUB_MONO
| V4L2_TUNER_SUB_STEREO
;
707 retval
= V4L2_TUNER_SUB_LANG1
| V4L2_TUNER_SUB_LANG2
;
711 static int mute_input_7133(struct saa7134_dev
*dev
)
716 struct saa7134_input
*in
;
719 switch (dev
->input
->amux
) {
732 saa_dsp_writel(dev
, 0x464 >> 2, xbarin
);
738 saa_dsp_writel(dev
, 0x46c >> 2, xbarout
);
740 saa_writel(0x594 >> 2, reg
);
743 /* switch gpio-connected external audio mux */
744 if (0 != card(dev
).gpiomask
) {
745 mask
= card(dev
).gpiomask
;
747 if (card(dev
).mute
.type
&& dev
->ctl_mute
)
748 in
= &card(dev
).mute
;
752 saa_andorl(SAA7134_GPIO_GPMODE0
>> 2, mask
, mask
);
753 saa_andorl(SAA7134_GPIO_GPSTATUS0
>> 2, mask
, in
->gpio
);
754 saa7134_track_gpio(dev
, saa7134_input_name
[in
->type
]);
760 static int tvaudio_thread_ddep(void *data
)
762 struct saa7134_dev
*dev
= data
;
767 tvaudio_sleep(dev
,-1);
768 if (kthread_should_stop())
773 dev
->thread
.scan1
= dev
->thread
.scan2
;
774 audio_dbg(1, "tvaudio thread scan start [%d]\n",
777 if (audio_ddep
>= 0x04 && audio_ddep
<= 0x0e) {
778 /* insmod option override */
779 norms
= (audio_ddep
<< 2) | 0x01;
780 audio_dbg(1, "ddep override: %s\n",
782 } else if (&card(dev
).radio
== dev
->input
) {
783 audio_dbg(1, "FM Radio\n");
784 if (dev
->tuner_type
== TUNER_PHILIPS_TDA8290
) {
785 norms
= (0x11 << 2) | 0x01;
786 /* set IF frequency to 5.5 MHz */
787 saa_dsp_writel(dev
, 0x42c >> 2, 0x729555);
789 norms
= (0x0f << 2) | 0x01;
792 /* (let chip) scan for sound carrier */
794 if (dev
->tvnorm
->id
& (V4L2_STD_B
| V4L2_STD_GH
))
796 if (dev
->tvnorm
->id
& V4L2_STD_PAL_I
)
798 if (dev
->tvnorm
->id
& V4L2_STD_DK
)
800 if (dev
->tvnorm
->id
& V4L2_STD_MN
)
802 if (dev
->tvnorm
->id
& (V4L2_STD_SECAM_L
| V4L2_STD_SECAM_LC
))
805 norms
= 0x7c; /* all */
806 audio_dbg(1, "scanning:%s%s%s%s%s\n",
807 (norms
& 0x04) ? " B/G" : "",
808 (norms
& 0x08) ? " D/K" : "",
809 (norms
& 0x10) ? " L/L'" : "",
810 (norms
& 0x20) ? " I" : "",
811 (norms
& 0x40) ? " M" : "");
814 /* kick automatic standard detection */
815 saa_dsp_writel(dev
, 0x454 >> 2, 0);
816 saa_dsp_writel(dev
, 0x454 >> 2, norms
| 0x80);
818 /* setup crossbars */
819 saa_dsp_writel(dev
, 0x464 >> 2, 0x000000);
820 saa_dsp_writel(dev
, 0x470 >> 2, 0x101010);
822 if (tvaudio_sleep(dev
,3000))
824 value
= saa_readl(0x528 >> 2) & 0xffffff;
826 audio_dbg(1, "tvaudio thread status: 0x%x [%s%s%s]\n",
827 value
, stdres
[value
& 0x1f],
828 (value
& 0x000020) ? ",stereo" : "",
829 (value
& 0x000040) ? ",dual" : "");
830 audio_dbg(1, "detailed status: %s#%s#%s#%s#%s#%s#%s#%s#%s#%s#%s#%s#%s#%s\n",
831 (value
& 0x000080) ? " A2/EIAJ pilot tone " : "",
832 (value
& 0x000100) ? " A2/EIAJ dual " : "",
833 (value
& 0x000200) ? " A2/EIAJ stereo " : "",
834 (value
& 0x000400) ? " A2/EIAJ noise mute " : "",
836 (value
& 0x000800) ? " BTSC/FM radio pilot " : "",
837 (value
& 0x001000) ? " SAP carrier " : "",
838 (value
& 0x002000) ? " BTSC stereo noise mute " : "",
839 (value
& 0x004000) ? " SAP noise mute " : "",
840 (value
& 0x008000) ? " VDSP " : "",
842 (value
& 0x010000) ? " NICST " : "",
843 (value
& 0x020000) ? " NICDU " : "",
844 (value
& 0x040000) ? " NICAM muted " : "",
845 (value
& 0x080000) ? " NICAM reserve sound " : "",
847 (value
& 0x100000) ? " init done " : "");
851 dev
->thread
.stopped
= 1;
855 /* ------------------------------------------------------------------ */
856 /* common stuff + external entry points */
858 void saa7134_enable_i2s(struct saa7134_dev
*dev
)
862 if (!card_is_empress(dev
))
865 if (dev
->pci
->device
== PCI_DEVICE_ID_PHILIPS_SAA7130
)
868 /* configure GPIO for out */
869 saa_andorl(SAA7134_GPIO_GPMODE0
>> 2, 0x0E000000, 0x00000000);
871 switch (dev
->pci
->device
) {
872 case PCI_DEVICE_ID_PHILIPS_SAA7133
:
873 case PCI_DEVICE_ID_PHILIPS_SAA7135
:
874 /* Set I2S format (SONY) Â */
875 saa_writeb(SAA7133_I2S_AUDIO_CONTROL
, 0x00);
877 saa_writeb(SAA7134_I2S_AUDIO_OUTPUT
, 0x11);
880 case PCI_DEVICE_ID_PHILIPS_SAA7134
:
881 i2s_format
= (dev
->input
->amux
== TV
) ? 0x00 : 0x01;
883 /* enable I2S audio output for the mpeg encoder */
884 saa_writeb(SAA7134_I2S_OUTPUT_SELECT
, 0x80);
885 saa_writeb(SAA7134_I2S_OUTPUT_FORMAT
, i2s_format
);
886 saa_writeb(SAA7134_I2S_OUTPUT_LEVEL
, 0x0F);
887 saa_writeb(SAA7134_I2S_AUDIO_OUTPUT
, 0x01);
894 int saa7134_tvaudio_rx2mode(u32 rx
)
898 mode
= V4L2_TUNER_MODE_MONO
;
899 if (rx
& V4L2_TUNER_SUB_STEREO
)
900 mode
= V4L2_TUNER_MODE_STEREO
;
901 else if (rx
& V4L2_TUNER_SUB_LANG1
)
902 mode
= V4L2_TUNER_MODE_LANG1
;
903 else if (rx
& V4L2_TUNER_SUB_LANG2
)
904 mode
= V4L2_TUNER_MODE_LANG2
;
908 void saa7134_tvaudio_setmute(struct saa7134_dev
*dev
)
910 switch (dev
->pci
->device
) {
911 case PCI_DEVICE_ID_PHILIPS_SAA7130
:
912 case PCI_DEVICE_ID_PHILIPS_SAA7134
:
913 mute_input_7134(dev
);
915 case PCI_DEVICE_ID_PHILIPS_SAA7133
:
916 case PCI_DEVICE_ID_PHILIPS_SAA7135
:
917 mute_input_7133(dev
);
922 void saa7134_tvaudio_setinput(struct saa7134_dev
*dev
,
923 struct saa7134_input
*in
)
926 switch (dev
->pci
->device
) {
927 case PCI_DEVICE_ID_PHILIPS_SAA7130
:
928 case PCI_DEVICE_ID_PHILIPS_SAA7134
:
929 mute_input_7134(dev
);
931 case PCI_DEVICE_ID_PHILIPS_SAA7133
:
932 case PCI_DEVICE_ID_PHILIPS_SAA7135
:
933 mute_input_7133(dev
);
936 saa7134_enable_i2s(dev
);
939 void saa7134_tvaudio_setvolume(struct saa7134_dev
*dev
, int level
)
941 switch (dev
->pci
->device
) {
942 case PCI_DEVICE_ID_PHILIPS_SAA7134
:
943 saa_writeb(SAA7134_CHANNEL1_LEVEL
, level
& 0x1f);
944 saa_writeb(SAA7134_CHANNEL2_LEVEL
, level
& 0x1f);
945 saa_writeb(SAA7134_NICAM_LEVEL_ADJUST
, level
& 0x1f);
950 int saa7134_tvaudio_getstereo(struct saa7134_dev
*dev
)
952 int retval
= V4L2_TUNER_SUB_MONO
;
954 switch (dev
->pci
->device
) {
955 case PCI_DEVICE_ID_PHILIPS_SAA7134
:
957 retval
= tvaudio_getstereo(dev
,dev
->tvaudio
);
959 case PCI_DEVICE_ID_PHILIPS_SAA7133
:
960 case PCI_DEVICE_ID_PHILIPS_SAA7135
:
961 retval
= getstereo_7133(dev
);
967 void saa7134_tvaudio_init(struct saa7134_dev
*dev
)
969 int clock
= saa7134_boards
[dev
->board
].audio_clock
;
971 if (UNSET
!= audio_clock_override
)
972 clock
= audio_clock_override
;
974 switch (dev
->pci
->device
) {
975 case PCI_DEVICE_ID_PHILIPS_SAA7134
:
976 /* init all audio registers */
977 saa_writeb(SAA7134_AUDIO_PLL_CTRL
, 0x00);
983 saa_writeb(SAA7134_AUDIO_CLOCK0
, clock
& 0xff);
984 saa_writeb(SAA7134_AUDIO_CLOCK1
, (clock
>> 8) & 0xff);
985 saa_writeb(SAA7134_AUDIO_CLOCK2
, (clock
>> 16) & 0xff);
986 /* frame locked audio is mandatory for NICAM */
987 saa_writeb(SAA7134_AUDIO_PLL_CTRL
, 0x01);
988 saa_writeb(SAA7134_NICAM_ERROR_LOW
, 0x14);
989 saa_writeb(SAA7134_NICAM_ERROR_HIGH
, 0x50);
991 case PCI_DEVICE_ID_PHILIPS_SAA7133
:
992 case PCI_DEVICE_ID_PHILIPS_SAA7135
:
993 saa_writel(0x598 >> 2, clock
);
994 saa_dsp_writel(dev
, 0x474 >> 2, 0x00);
995 saa_dsp_writel(dev
, 0x450 >> 2, 0x00);
999 int saa7134_tvaudio_init2(struct saa7134_dev
*dev
)
1001 int (*my_thread
)(void *data
) = NULL
;
1003 switch (dev
->pci
->device
) {
1004 case PCI_DEVICE_ID_PHILIPS_SAA7134
:
1005 my_thread
= tvaudio_thread
;
1007 case PCI_DEVICE_ID_PHILIPS_SAA7133
:
1008 case PCI_DEVICE_ID_PHILIPS_SAA7135
:
1009 my_thread
= tvaudio_thread_ddep
;
1013 dev
->thread
.thread
= NULL
;
1014 dev
->thread
.scan1
= dev
->thread
.scan2
= 0;
1016 saa7134_tvaudio_init(dev
);
1017 /* start tvaudio thread */
1018 dev
->thread
.thread
= kthread_run(my_thread
, dev
, "%s", dev
->name
);
1019 if (IS_ERR(dev
->thread
.thread
)) {
1020 pr_warn("%s: kernel_thread() failed\n",
1022 /* XXX: missing error handling here */
1026 saa7134_enable_i2s(dev
);
1030 int saa7134_tvaudio_close(struct saa7134_dev
*dev
)
1033 /* anything else to undo? */
1037 int saa7134_tvaudio_fini(struct saa7134_dev
*dev
)
1039 /* shutdown tvaudio thread */
1040 if (dev
->thread
.thread
&& !dev
->thread
.stopped
)
1041 kthread_stop(dev
->thread
.thread
);
1043 saa_andorb(SAA7134_ANALOG_IO_SELECT
, 0x07, 0x00); /* LINE1 */
1047 int saa7134_tvaudio_do_scan(struct saa7134_dev
*dev
)
1049 if (dev
->input
->amux
!= TV
) {
1050 audio_dbg(1, "sound IF not in use, skipping scan\n");
1052 saa7134_tvaudio_setmute(dev
);
1053 } else if (dev
->thread
.thread
) {
1054 dev
->thread
.mode
= UNSET
;
1055 dev
->thread
.scan2
++;
1057 if (!dev
->insuspend
&& !dev
->thread
.stopped
)
1058 wake_up_process(dev
->thread
.thread
);
1061 saa7134_tvaudio_setmute(dev
);
1066 EXPORT_SYMBOL(saa_dsp_writel
);
1067 EXPORT_SYMBOL(saa7134_tvaudio_setmute
);