1 #include <linux/module.h>
2 #include <linux/moduleparam.h>
3 #include <linux/kernel.h>
5 #include <linux/types.h>
6 #include <linux/videodev.h>
7 #include <linux/init.h>
8 #include <linux/errno.h>
9 #include <linux/slab.h>
10 #include <linux/delay.h>
12 #include <media/audiochip.h>
13 #include <media/tuner.h>
18 TDA9886 (PAL, SECAM, NTSC)
19 TDA9887 (PAL, SECAM, NTSC, FM Radio)
22 - Pinnacle PCTV (Jul.2002 Version with MT2032, bttv)
23 TDA9887 (world), TDA9885 (USA)
24 Note: OP2 of tda988x must be set to 1, else MT2032 is disabled!
25 - KNC One TV-Station RDS (saa7134)
29 /* Addresses to scan */
30 static unsigned short normal_i2c
[] = {
39 static unsigned int debug
= 0;
40 module_param(debug
, int, 0644);
41 MODULE_LICENSE("GPL");
43 /* ---------------------------------------------------------------------- */
46 #define PREFIX "tda9885/6/7: "
47 #define dprintk if (debug) printk
50 struct i2c_client client
;
54 unsigned int pinnacle_id
;
55 unsigned int using_v4l2
;
66 static struct i2c_driver driver
;
67 static struct i2c_client client_template
;
69 /* ---------------------------------------------------------------------- */
76 #define cVideoTrapBypassOFF 0x00 // bit b0
77 #define cVideoTrapBypassON 0x01 // bit b0
79 #define cAutoMuteFmInactive 0x00 // bit b1
80 #define cAutoMuteFmActive 0x02 // bit b1
82 #define cIntercarrier 0x00 // bit b2
83 #define cQSS 0x04 // bit b2
85 #define cPositiveAmTV 0x00 // bit b3:4
86 #define cFmRadio 0x08 // bit b3:4
87 #define cNegativeFmTV 0x10 // bit b3:4
90 #define cForcedMuteAudioON 0x20 // bit b5
91 #define cForcedMuteAudioOFF 0x00 // bit b5
93 #define cOutputPort1Active 0x00 // bit b6
94 #define cOutputPort1Inactive 0x40 // bit b6
96 #define cOutputPort2Active 0x00 // bit b7
97 #define cOutputPort2Inactive 0x80 // bit b7
101 #define cDeemphasisOFF 0x00 // bit c5
102 #define cDeemphasisON 0x20 // bit c5
104 #define cDeemphasis75 0x00 // bit c6
105 #define cDeemphasis50 0x40 // bit c6
107 #define cAudioGain0 0x00 // bit c7
108 #define cAudioGain6 0x80 // bit c7
112 #define cAudioIF_4_5 0x00 // bit e0:1
113 #define cAudioIF_5_5 0x01 // bit e0:1
114 #define cAudioIF_6_0 0x02 // bit e0:1
115 #define cAudioIF_6_5 0x03 // bit e0:1
118 #define cVideoIF_58_75 0x00 // bit e2:4
119 #define cVideoIF_45_75 0x04 // bit e2:4
120 #define cVideoIF_38_90 0x08 // bit e2:4
121 #define cVideoIF_38_00 0x0C // bit e2:4
122 #define cVideoIF_33_90 0x10 // bit e2:4
123 #define cVideoIF_33_40 0x14 // bit e2:4
124 #define cRadioIF_45_75 0x18 // bit e2:4
125 #define cRadioIF_38_90 0x1C // bit e2:4
128 #define cTunerGainNormal 0x00 // bit e5
129 #define cTunerGainLow 0x20 // bit e5
131 #define cGating_18 0x00 // bit e6
132 #define cGating_36 0x40 // bit e6
134 #define cAgcOutON 0x80 // bit e7
135 #define cAgcOutOFF 0x00 // bit e7
137 /* ---------------------------------------------------------------------- */
139 static struct tvnorm tvnorms
[] = {
141 .std
= V4L2_STD_PAL_BG
,
143 .b
= ( cNegativeFmTV
|
145 .c
= ( cDeemphasisON
|
147 .e
= ( cAudioIF_5_5
|
150 .std
= V4L2_STD_PAL_I
,
152 .b
= ( cNegativeFmTV
|
154 .c
= ( cDeemphasisON
|
156 .e
= ( cAudioIF_6_0
|
159 .std
= V4L2_STD_PAL_DK
,
161 .b
= ( cNegativeFmTV
|
163 .c
= ( cDeemphasisON
|
165 .e
= ( cAudioIF_6_5
|
168 .std
= V4L2_STD_PAL_M
| V4L2_STD_PAL_N
,
170 .b
= ( cNegativeFmTV
|
172 .c
= ( cDeemphasisON
|
174 .e
= ( cAudioIF_4_5
|
177 .std
= V4L2_STD_SECAM_L
,
179 .b
= ( cPositiveAmTV
|
181 .e
= ( cAudioIF_6_5
|
184 .std
= V4L2_STD_SECAM_DK
,
186 .b
= ( cNegativeFmTV
|
188 .c
= ( cDeemphasisON
|
190 .e
= ( cAudioIF_6_5
|
193 .std
= V4L2_STD_NTSC_M
,
195 .b
= ( cNegativeFmTV
|
197 .c
= ( cDeemphasisON
|
203 .std
= V4L2_STD_NTSC_M_JP
,
205 .b
= ( cNegativeFmTV
|
207 .c
= ( cDeemphasisON
|
215 static struct tvnorm radio
= {
219 .c
= ( cDeemphasisON
|
221 .e
= ( cAudioIF_5_5
|
225 /* ---------------------------------------------------------------------- */
227 static void dump_read_message(unsigned char *buf
)
229 static char *afc
[16] = {
247 printk(PREFIX
"read: 0x%2x\n", buf
[0]);
248 printk(" after power on : %s\n", (buf
[0] & 0x01) ? "yes" : "no");
249 printk(" afc : %s\n", afc
[(buf
[0] >> 1) & 0x0f]);
250 printk(" fmif level : %s\n", (buf
[0] & 0x20) ? "high" : "low");
251 printk(" afc window : %s\n", (buf
[0] & 0x40) ? "in" : "out");
252 printk(" vfi level : %s\n", (buf
[0] & 0x80) ? "high" : "low");
255 static void dump_write_message(unsigned char *buf
)
257 static char *sound
[4] = {
263 static char *adjust
[32] = {
264 "-16", "-15", "-14", "-13", "-12", "-11", "-10", "-9",
265 "-8", "-7", "-6", "-5", "-4", "-3", "-2", "-1",
266 "0", "+1", "+2", "+3", "+4", "+5", "+6", "+7",
267 "+8", "+9", "+10", "+11", "+12", "+13", "+14", "+15"
269 static char *deemph
[4] = {
270 "no", "no", "75", "50"
272 static char *carrier
[4] = {
278 static char *vif
[8] = {
288 static char *rif
[4] = {
295 printk(PREFIX
"write: byte B 0x%02x\n",buf
[1]);
296 printk(" B0 video mode : %s\n",
297 (buf
[1] & 0x01) ? "video trap" : "sound trap");
298 printk(" B1 auto mute fm : %s\n",
299 (buf
[1] & 0x02) ? "yes" : "no");
300 printk(" B2 carrier mode : %s\n",
301 (buf
[1] & 0x04) ? "QSS" : "Intercarrier");
302 printk(" B3-4 tv sound/radio : %s\n",
303 sound
[(buf
[1] & 0x18) >> 3]);
304 printk(" B5 force mute audio: %s\n",
305 (buf
[1] & 0x20) ? "yes" : "no");
306 printk(" B6 output port 1 : %s\n",
307 (buf
[1] & 0x40) ? "high (inactive)" : "low (active)");
308 printk(" B7 output port 2 : %s\n",
309 (buf
[1] & 0x80) ? "high (inactive)" : "low (active)");
311 printk(PREFIX
"write: byte C 0x%02x\n",buf
[2]);
312 printk(" C0-4 top adjustment : %s dB\n", adjust
[buf
[2] & 0x1f]);
313 printk(" C5-6 de-emphasis : %s\n", deemph
[(buf
[2] & 0x60) >> 5]);
314 printk(" C7 audio gain : %s\n",
315 (buf
[2] & 0x80) ? "-6" : "0");
317 printk(PREFIX
"write: byte E 0x%02x\n",buf
[3]);
318 printk(" E0-1 sound carrier : %s\n",
319 carrier
[(buf
[3] & 0x03)]);
320 printk(" E6 l pll ganting : %s\n",
321 (buf
[3] & 0x40) ? "36" : "13");
325 printk(" E2-4 video if : %s\n",
326 rif
[(buf
[3] & 0x0c) >> 2]);
327 printk(" E7 vif agc output : %s\n",
329 ? ((buf
[3] & 0x10) ? "fm-agc radio" : "sif-agc radio")
330 : "fm radio carrier afc");
333 printk(" E2-4 video if : %s\n",
334 vif
[(buf
[3] & 0x1c) >> 2]);
335 printk(" E5 tuner gain : %s\n",
337 ? ((buf
[3] & 0x20) ? "external" : "normal")
338 : ((buf
[3] & 0x20) ? "minimum" : "normal"));
339 printk(" E7 vif agc output : %s\n",
342 ? "pin3 port, pin22 vif agc out"
343 : "pin22 port, pin3 vif acg ext in")
344 : "pin3+pin22 port");
349 /* ---------------------------------------------------------------------- */
351 static int tda9887_set_tvnorm(struct tda9887
*t
, char *buf
)
353 struct tvnorm
*norm
= NULL
;
359 for (i
= 0; i
< ARRAY_SIZE(tvnorms
); i
++) {
360 if (tvnorms
[i
].std
& t
->std
) {
367 dprintk(PREFIX
"Oops: no tvnorm entry found\n");
371 dprintk(PREFIX
"configure for: %s\n",norm
->name
);
378 static unsigned int port1
= UNSET
;
379 static unsigned int port2
= UNSET
;
380 static unsigned int qss
= UNSET
;
381 static unsigned int adjust
= 0x10;
382 module_param(port1
, int, 0644);
383 module_param(port2
, int, 0644);
384 module_param(qss
, int, 0644);
385 module_param(adjust
, int, 0644);
387 static int tda9887_set_insmod(struct tda9887
*t
, char *buf
)
389 if (UNSET
!= port1
) {
391 buf
[1] |= cOutputPort1Inactive
;
393 buf
[1] &= ~cOutputPort1Inactive
;
395 if (UNSET
!= port2
) {
397 buf
[1] |= cOutputPort2Inactive
;
399 buf
[1] &= ~cOutputPort2Inactive
;
409 if (adjust
>= 0x00 && adjust
< 0x20)
414 static int tda9887_set_config(struct tda9887
*t
, char *buf
)
416 if (t
->config
& TDA9887_PORT1_ACTIVE
)
417 buf
[1] &= ~cOutputPort1Inactive
;
418 if (t
->config
& TDA9887_PORT1_INACTIVE
)
419 buf
[1] |= cOutputPort1Inactive
;
420 if (t
->config
& TDA9887_PORT2_ACTIVE
)
421 buf
[1] &= ~cOutputPort2Inactive
;
422 if (t
->config
& TDA9887_PORT2_INACTIVE
)
423 buf
[1] |= cOutputPort2Inactive
;
425 if (t
->config
& TDA9887_QSS
)
427 if (t
->config
& TDA9887_INTERCARRIER
)
430 if (t
->config
& TDA9887_AUTOMUTE
)
431 buf
[1] |= cAutoMuteFmActive
;
432 if (t
->config
& TDA9887_DEEMPHASIS_MASK
) {
434 switch (t
->config
& TDA9887_DEEMPHASIS_MASK
) {
435 case TDA9887_DEEMPHASIS_NONE
:
436 buf
[2] |= cDeemphasisOFF
;
438 case TDA9887_DEEMPHASIS_50
:
439 buf
[2] |= cDeemphasisON
| cDeemphasis50
;
441 case TDA9887_DEEMPHASIS_75
:
442 buf
[2] |= cDeemphasisON
| cDeemphasis75
;
449 /* ---------------------------------------------------------------------- */
451 static int tda9887_set_pinnacle(struct tda9887
*t
, char *buf
)
453 unsigned int bCarrierMode
= UNSET
;
455 if (t
->std
& V4L2_STD_625_50
) {
456 if ((1 == t
->pinnacle_id
) || (7 == t
->pinnacle_id
)) {
457 bCarrierMode
= cIntercarrier
;
462 if (t
->std
& V4L2_STD_525_60
) {
463 if ((5 == t
->pinnacle_id
) || (6 == t
->pinnacle_id
)) {
464 bCarrierMode
= cIntercarrier
;
470 if (bCarrierMode
!= UNSET
) {
472 buf
[1] |= bCarrierMode
;
477 /* ---------------------------------------------------------------------- */
479 static char pal
[] = "-";
480 module_param_string(pal
, pal
, sizeof(pal
), 0644);
481 static char secam
[] = "-";
482 module_param_string(secam
, secam
, sizeof(secam
), 0644);
484 static int tda9887_fixup_std(struct tda9887
*t
)
486 /* get more precise norm info from insmod option */
487 if ((t
->std
& V4L2_STD_PAL
) == V4L2_STD_PAL
) {
493 dprintk(PREFIX
"insmod fixup: PAL => PAL-BG\n");
494 t
->std
= V4L2_STD_PAL_BG
;
498 dprintk(PREFIX
"insmod fixup: PAL => PAL-I\n");
499 t
->std
= V4L2_STD_PAL_I
;
505 dprintk(PREFIX
"insmod fixup: PAL => PAL-DK\n");
506 t
->std
= V4L2_STD_PAL_DK
;
510 if ((t
->std
& V4L2_STD_SECAM
) == V4L2_STD_SECAM
) {
516 dprintk(PREFIX
"insmod fixup: SECAM => SECAM-DK\n");
517 t
->std
= V4L2_STD_SECAM_DK
;
521 dprintk(PREFIX
"insmod fixup: SECAM => SECAM-L\n");
522 t
->std
= V4L2_STD_SECAM_L
;
529 static int tda9887_status(struct tda9887
*t
)
531 unsigned char buf
[1];
534 memset(buf
,0,sizeof(buf
));
535 if (1 != (rc
= i2c_master_recv(&t
->client
,buf
,1)))
536 printk(PREFIX
"i2c i/o error: rc == %d (should be 1)\n",rc
);
537 dump_read_message(buf
);
541 static int tda9887_configure(struct tda9887
*t
)
543 unsigned char buf
[4];
546 memset(buf
,0,sizeof(buf
));
547 tda9887_set_tvnorm(t
,buf
);
548 buf
[1] |= cOutputPort1Inactive
;
549 buf
[1] |= cOutputPort2Inactive
;
550 if (UNSET
!= t
->pinnacle_id
) {
551 tda9887_set_pinnacle(t
,buf
);
553 tda9887_set_config(t
,buf
);
554 tda9887_set_insmod(t
,buf
);
557 /* This as-is breaks some cards, must be fixed in a
558 * card-specific way, probably using TDA9887_SET_CONFIG to
559 * turn on/off port2 */
560 if (t
->std
& V4L2_STD_SECAM_L
) {
561 /* secam fixup (FIXME: move this to tvnorms array?) */
562 buf
[1] &= ~cOutputPort2Inactive
;
566 dprintk(PREFIX
"writing: b=0x%02x c=0x%02x e=0x%02x\n",
567 buf
[1],buf
[2],buf
[3]);
569 dump_write_message(buf
);
571 if (4 != (rc
= i2c_master_send(&t
->client
,buf
,4)))
572 printk(PREFIX
"i2c i/o error: rc == %d (should be 4)\n",rc
);
575 msleep_interruptible(1000);
581 /* ---------------------------------------------------------------------- */
583 static int tda9887_attach(struct i2c_adapter
*adap
, int addr
, int kind
)
587 client_template
.adapter
= adap
;
588 client_template
.addr
= addr
;
590 printk(PREFIX
"chip found @ 0x%x\n", addr
<<1);
592 if (NULL
== (t
= kmalloc(sizeof(*t
), GFP_KERNEL
)))
594 memset(t
,0,sizeof(*t
));
595 t
->client
= client_template
;
597 t
->pinnacle_id
= UNSET
;
598 i2c_set_clientdata(&t
->client
, t
);
599 i2c_attach_client(&t
->client
);
604 static int tda9887_probe(struct i2c_adapter
*adap
)
606 #ifdef I2C_CLASS_TV_ANALOG
607 if (adap
->class & I2C_CLASS_TV_ANALOG
)
608 return i2c_probe(adap
, &addr_data
, tda9887_attach
);
611 case I2C_ALGO_BIT
| I2C_HW_B_BT848
:
612 case I2C_ALGO_BIT
| I2C_HW_B_RIVA
:
613 case I2C_ALGO_SAA7134
:
614 return i2c_probe(adap
, &addr_data
, tda9887_attach
);
621 static int tda9887_detach(struct i2c_client
*client
)
623 struct tda9887
*t
= i2c_get_clientdata(client
);
625 i2c_detach_client(client
);
630 #define SWITCH_V4L2 if (!t->using_v4l2 && debug) \
631 printk(PREFIX "switching to v4l2\n"); \
633 #define CHECK_V4L2 if (t->using_v4l2) { if (debug) \
634 printk(PREFIX "ignore v4l1 call\n"); \
638 tda9887_command(struct i2c_client
*client
, unsigned int cmd
, void *arg
)
640 struct tda9887
*t
= i2c_get_clientdata(client
);
644 /* --- configuration --- */
647 tda9887_configure(t
);
650 case AUDC_CONFIG_PINNACLE
:
655 tda9887_configure(t
);
658 case TDA9887_SET_CONFIG
:
663 tda9887_configure(t
);
666 /* --- v4l ioctls --- */
667 /* take care: bttv does userspace copying, we'll get a
668 kernel pointer here... */
671 static const v4l2_std_id map
[] = {
672 [ VIDEO_MODE_PAL
] = V4L2_STD_PAL
,
673 [ VIDEO_MODE_NTSC
] = V4L2_STD_NTSC_M
,
674 [ VIDEO_MODE_SECAM
] = V4L2_STD_SECAM
,
675 [ 4 /* bttv */ ] = V4L2_STD_PAL_M
,
676 [ 5 /* bttv */ ] = V4L2_STD_PAL_N
,
677 [ 6 /* bttv */ ] = V4L2_STD_NTSC_M_JP
,
679 struct video_channel
*vc
= arg
;
683 if (vc
->norm
< ARRAY_SIZE(map
))
684 t
->std
= map
[vc
->norm
];
685 tda9887_fixup_std(t
);
686 tda9887_configure(t
);
691 v4l2_std_id
*id
= arg
;
696 tda9887_fixup_std(t
);
697 tda9887_configure(t
);
700 case VIDIOC_S_FREQUENCY
:
702 struct v4l2_frequency
*f
= arg
;
705 if (V4L2_TUNER_ANALOG_TV
== f
->type
) {
710 if (V4L2_TUNER_RADIO
== f
->type
) {
715 tda9887_configure(t
);
720 static int AFC_BITS_2_kHz
[] = {
721 -12500, -37500, -62500, -97500,
722 -112500, -137500, -162500, -187500,
723 187500, 162500, 137500, 112500,
724 97500 , 62500, 37500 , 12500
726 struct v4l2_tuner
* tuner
= arg
;
731 if (1 == i2c_master_recv(&t
->client
,®
,1))
732 tuner
->afc
= AFC_BITS_2_kHz
[(reg
>>1)&0x0f];
743 static int tda9887_suspend(struct device
* dev
, pm_message_t state
, u32 level
)
745 dprintk("tda9887: suspend\n");
749 static int tda9887_resume(struct device
* dev
, u32 level
)
751 struct i2c_client
*c
= container_of(dev
, struct i2c_client
, dev
);
752 struct tda9887
*t
= i2c_get_clientdata(c
);
754 dprintk("tda9887: resume\n");
755 tda9887_configure(t
);
759 /* ----------------------------------------------------------------------- */
761 static struct i2c_driver driver
= {
762 .owner
= THIS_MODULE
,
763 .name
= "i2c tda9887 driver",
764 .id
= -1, /* FIXME */
765 .flags
= I2C_DF_NOTIFY
,
766 .attach_adapter
= tda9887_probe
,
767 .detach_client
= tda9887_detach
,
768 .command
= tda9887_command
,
770 .suspend
= tda9887_suspend
,
771 .resume
= tda9887_resume
,
774 static struct i2c_client client_template
=
776 I2C_DEVNAME("tda9887"),
777 .flags
= I2C_CLIENT_ALLOW_USE
,
781 static int __init
tda9887_init_module(void)
783 return i2c_add_driver(&driver
);
786 static void __exit
tda9887_cleanup_module(void)
788 i2c_del_driver(&driver
);
791 module_init(tda9887_init_module
);
792 module_exit(tda9887_cleanup_module
);
795 * Overrides for Emacs so that we follow Linus's tabbing style.
796 * ---------------------------------------------------------------------------