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>
17 TDA9886 (PAL, SECAM, NTSC)
18 TDA9887 (PAL, SECAM, NTSC, FM Radio)
21 - Pinnacle PCTV (Jul.2002 Version with MT2032, bttv)
22 TDA9887 (world), TDA9885 (USA)
23 Note: OP2 of tda988x must be set to 1, else MT2032 is disabled!
24 - KNC One TV-Station RDS (saa7134)
25 - Hauppauge PVR-150/500 (possibly more)
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 tda9887_info(fmt, arg...) do {\
47 printk(KERN_INFO "%s %d-%04x: " fmt, t->client.name, \
48 i2c_adapter_id(t->client.adapter), t->client.addr , ##arg); } while (0)
49 #define tda9887_dbg(fmt, arg...) do {\
51 printk(KERN_INFO "%s %d-%04x: " fmt, t->client.name, \
52 i2c_adapter_id(t->client.adapter), t->client.addr , ##arg); } while (0)
55 struct i2c_client client
;
59 unsigned int pinnacle_id
;
60 unsigned int using_v4l2
;
61 unsigned int radio_mode
;
62 unsigned char data
[4];
73 static struct i2c_driver driver
;
74 static struct i2c_client client_template
;
76 /* ---------------------------------------------------------------------- */
83 #define cVideoTrapBypassOFF 0x00 // bit b0
84 #define cVideoTrapBypassON 0x01 // bit b0
86 #define cAutoMuteFmInactive 0x00 // bit b1
87 #define cAutoMuteFmActive 0x02 // bit b1
89 #define cIntercarrier 0x00 // bit b2
90 #define cQSS 0x04 // bit b2
92 #define cPositiveAmTV 0x00 // bit b3:4
93 #define cFmRadio 0x08 // bit b3:4
94 #define cNegativeFmTV 0x10 // bit b3:4
97 #define cForcedMuteAudioON 0x20 // bit b5
98 #define cForcedMuteAudioOFF 0x00 // bit b5
100 #define cOutputPort1Active 0x00 // bit b6
101 #define cOutputPort1Inactive 0x40 // bit b6
103 #define cOutputPort2Active 0x00 // bit b7
104 #define cOutputPort2Inactive 0x80 // bit b7
108 #define cDeemphasisOFF 0x00 // bit c5
109 #define cDeemphasisON 0x20 // bit c5
111 #define cDeemphasis75 0x00 // bit c6
112 #define cDeemphasis50 0x40 // bit c6
114 #define cAudioGain0 0x00 // bit c7
115 #define cAudioGain6 0x80 // bit c7
119 #define cAudioIF_4_5 0x00 // bit e0:1
120 #define cAudioIF_5_5 0x01 // bit e0:1
121 #define cAudioIF_6_0 0x02 // bit e0:1
122 #define cAudioIF_6_5 0x03 // bit e0:1
125 #define cVideoIF_58_75 0x00 // bit e2:4
126 #define cVideoIF_45_75 0x04 // bit e2:4
127 #define cVideoIF_38_90 0x08 // bit e2:4
128 #define cVideoIF_38_00 0x0C // bit e2:4
129 #define cVideoIF_33_90 0x10 // bit e2:4
130 #define cVideoIF_33_40 0x14 // bit e2:4
131 #define cRadioIF_45_75 0x18 // bit e2:4
132 #define cRadioIF_38_90 0x1C // bit e2:4
135 #define cTunerGainNormal 0x00 // bit e5
136 #define cTunerGainLow 0x20 // bit e5
138 #define cGating_18 0x00 // bit e6
139 #define cGating_36 0x40 // bit e6
141 #define cAgcOutON 0x80 // bit e7
142 #define cAgcOutOFF 0x00 // bit e7
144 /* ---------------------------------------------------------------------- */
146 static struct tvnorm tvnorms
[] = {
148 .std
= V4L2_STD_PAL_BG
,
150 .b
= ( cNegativeFmTV
|
152 .c
= ( cDeemphasisON
|
154 .e
= ( cAudioIF_5_5
|
157 .std
= V4L2_STD_PAL_I
,
159 .b
= ( cNegativeFmTV
|
161 .c
= ( cDeemphasisON
|
163 .e
= ( cAudioIF_6_0
|
166 .std
= V4L2_STD_PAL_DK
,
168 .b
= ( cNegativeFmTV
|
170 .c
= ( cDeemphasisON
|
172 .e
= ( cAudioIF_6_5
|
175 .std
= V4L2_STD_PAL_M
| V4L2_STD_PAL_N
,
177 .b
= ( cNegativeFmTV
|
179 .c
= ( cDeemphasisON
|
181 .e
= ( cAudioIF_4_5
|
184 .std
= V4L2_STD_SECAM_L
,
186 .b
= ( cPositiveAmTV
|
192 .std
= V4L2_STD_SECAM_DK
,
194 .b
= ( cNegativeFmTV
|
196 .c
= ( cDeemphasisON
|
198 .e
= ( cAudioIF_6_5
|
201 .std
= V4L2_STD_NTSC_M
,
203 .b
= ( cNegativeFmTV
|
205 .c
= ( cDeemphasisON
|
211 .std
= V4L2_STD_NTSC_M_JP
,
213 .b
= ( cNegativeFmTV
|
215 .c
= ( cDeemphasisON
|
223 static struct tvnorm radio_stereo
= {
224 .name
= "Radio Stereo",
227 .c
= ( cDeemphasisOFF
|
229 .e
= ( cAudioIF_5_5
|
233 static struct tvnorm radio_mono
= {
234 .name
= "Radio Mono",
237 .c
= ( cDeemphasisON
|
239 .e
= ( cAudioIF_5_5
|
243 /* ---------------------------------------------------------------------- */
245 static void dump_read_message(struct tda9887
*t
, unsigned char *buf
)
247 static char *afc
[16] = {
265 tda9887_info("read: 0x%2x\n", buf
[0]);
266 tda9887_info(" after power on : %s\n", (buf
[0] & 0x01) ? "yes" : "no");
267 tda9887_info(" afc : %s\n", afc
[(buf
[0] >> 1) & 0x0f]);
268 tda9887_info(" fmif level : %s\n", (buf
[0] & 0x20) ? "high" : "low");
269 tda9887_info(" afc window : %s\n", (buf
[0] & 0x40) ? "in" : "out");
270 tda9887_info(" vfi level : %s\n", (buf
[0] & 0x80) ? "high" : "low");
273 static void dump_write_message(struct tda9887
*t
, unsigned char *buf
)
275 static char *sound
[4] = {
281 static char *adjust
[32] = {
282 "-16", "-15", "-14", "-13", "-12", "-11", "-10", "-9",
283 "-8", "-7", "-6", "-5", "-4", "-3", "-2", "-1",
284 "0", "+1", "+2", "+3", "+4", "+5", "+6", "+7",
285 "+8", "+9", "+10", "+11", "+12", "+13", "+14", "+15"
287 static char *deemph
[4] = {
288 "no", "no", "75", "50"
290 static char *carrier
[4] = {
296 static char *vif
[8] = {
306 static char *rif
[4] = {
313 tda9887_info("write: byte B 0x%02x\n",buf
[1]);
314 tda9887_info(" B0 video mode : %s\n",
315 (buf
[1] & 0x01) ? "video trap" : "sound trap");
316 tda9887_info(" B1 auto mute fm : %s\n",
317 (buf
[1] & 0x02) ? "yes" : "no");
318 tda9887_info(" B2 carrier mode : %s\n",
319 (buf
[1] & 0x04) ? "QSS" : "Intercarrier");
320 tda9887_info(" B3-4 tv sound/radio : %s\n",
321 sound
[(buf
[1] & 0x18) >> 3]);
322 tda9887_info(" B5 force mute audio: %s\n",
323 (buf
[1] & 0x20) ? "yes" : "no");
324 tda9887_info(" B6 output port 1 : %s\n",
325 (buf
[1] & 0x40) ? "high (inactive)" : "low (active)");
326 tda9887_info(" B7 output port 2 : %s\n",
327 (buf
[1] & 0x80) ? "high (inactive)" : "low (active)");
329 tda9887_info("write: byte C 0x%02x\n",buf
[2]);
330 tda9887_info(" C0-4 top adjustment : %s dB\n", adjust
[buf
[2] & 0x1f]);
331 tda9887_info(" C5-6 de-emphasis : %s\n", deemph
[(buf
[2] & 0x60) >> 5]);
332 tda9887_info(" C7 audio gain : %s\n",
333 (buf
[2] & 0x80) ? "-6" : "0");
335 tda9887_info("write: byte E 0x%02x\n",buf
[3]);
336 tda9887_info(" E0-1 sound carrier : %s\n",
337 carrier
[(buf
[3] & 0x03)]);
338 tda9887_info(" E6 l pll gating : %s\n",
339 (buf
[3] & 0x40) ? "36" : "13");
343 tda9887_info(" E2-4 video if : %s\n",
344 rif
[(buf
[3] & 0x0c) >> 2]);
345 tda9887_info(" E7 vif agc output : %s\n",
347 ? ((buf
[3] & 0x10) ? "fm-agc radio" : "sif-agc radio")
348 : "fm radio carrier afc");
351 tda9887_info(" E2-4 video if : %s\n",
352 vif
[(buf
[3] & 0x1c) >> 2]);
353 tda9887_info(" E5 tuner gain : %s\n",
355 ? ((buf
[3] & 0x20) ? "external" : "normal")
356 : ((buf
[3] & 0x20) ? "minimum" : "normal"));
357 tda9887_info(" E7 vif agc output : %s\n",
360 ? "pin3 port, pin22 vif agc out"
361 : "pin22 port, pin3 vif acg ext in")
362 : "pin3+pin22 port");
364 tda9887_info("--\n");
367 /* ---------------------------------------------------------------------- */
369 static int tda9887_set_tvnorm(struct tda9887
*t
, char *buf
)
371 struct tvnorm
*norm
= NULL
;
374 if (t
->mode
== T_RADIO
) {
375 if (t
->radio_mode
== V4L2_TUNER_MODE_MONO
)
378 norm
= &radio_stereo
;
380 for (i
= 0; i
< ARRAY_SIZE(tvnorms
); i
++) {
381 if (tvnorms
[i
].std
& t
->std
) {
388 tda9887_dbg("Unsupported tvnorm entry - audio muted\n");
392 tda9887_dbg("configure for: %s\n",norm
->name
);
399 static unsigned int port1
= UNSET
;
400 static unsigned int port2
= UNSET
;
401 static unsigned int qss
= UNSET
;
402 static unsigned int adjust
= 0x10;
403 module_param(port1
, int, 0644);
404 module_param(port2
, int, 0644);
405 module_param(qss
, int, 0644);
406 module_param(adjust
, int, 0644);
408 static int tda9887_set_insmod(struct tda9887
*t
, char *buf
)
410 if (UNSET
!= port1
) {
412 buf
[1] |= cOutputPort1Inactive
;
414 buf
[1] &= ~cOutputPort1Inactive
;
416 if (UNSET
!= port2
) {
418 buf
[1] |= cOutputPort2Inactive
;
420 buf
[1] &= ~cOutputPort2Inactive
;
430 if (adjust
>= 0x00 && adjust
< 0x20)
435 static int tda9887_set_config(struct tda9887
*t
, char *buf
)
437 if (t
->config
& TDA9887_PORT1_ACTIVE
)
438 buf
[1] &= ~cOutputPort1Inactive
;
439 if (t
->config
& TDA9887_PORT1_INACTIVE
)
440 buf
[1] |= cOutputPort1Inactive
;
441 if (t
->config
& TDA9887_PORT2_ACTIVE
)
442 buf
[1] &= ~cOutputPort2Inactive
;
443 if (t
->config
& TDA9887_PORT2_INACTIVE
)
444 buf
[1] |= cOutputPort2Inactive
;
446 if (t
->config
& TDA9887_QSS
)
448 if (t
->config
& TDA9887_INTERCARRIER
)
451 if (t
->config
& TDA9887_AUTOMUTE
)
452 buf
[1] |= cAutoMuteFmActive
;
453 if (t
->config
& TDA9887_DEEMPHASIS_MASK
) {
455 switch (t
->config
& TDA9887_DEEMPHASIS_MASK
) {
456 case TDA9887_DEEMPHASIS_NONE
:
457 buf
[2] |= cDeemphasisOFF
;
459 case TDA9887_DEEMPHASIS_50
:
460 buf
[2] |= cDeemphasisON
| cDeemphasis50
;
462 case TDA9887_DEEMPHASIS_75
:
463 buf
[2] |= cDeemphasisON
| cDeemphasis75
;
467 if ((t
->config
& TDA9887_INTERCARRIER_NTSC
) && (t
->std
& V4L2_STD_NTSC
))
472 /* ---------------------------------------------------------------------- */
474 static int tda9887_set_pinnacle(struct tda9887
*t
, char *buf
)
476 unsigned int bCarrierMode
= UNSET
;
478 if (t
->std
& V4L2_STD_625_50
) {
479 if ((1 == t
->pinnacle_id
) || (7 == t
->pinnacle_id
)) {
480 bCarrierMode
= cIntercarrier
;
485 if (t
->std
& V4L2_STD_525_60
) {
486 if ((5 == t
->pinnacle_id
) || (6 == t
->pinnacle_id
)) {
487 bCarrierMode
= cIntercarrier
;
493 if (bCarrierMode
!= UNSET
) {
495 buf
[1] |= bCarrierMode
;
500 /* ---------------------------------------------------------------------- */
502 static char pal
[] = "-";
503 module_param_string(pal
, pal
, sizeof(pal
), 0644);
504 static char secam
[] = "-";
505 module_param_string(secam
, secam
, sizeof(secam
), 0644);
507 static int tda9887_fixup_std(struct tda9887
*t
)
509 /* get more precise norm info from insmod option */
510 if ((t
->std
& V4L2_STD_PAL
) == V4L2_STD_PAL
) {
516 tda9887_dbg("insmod fixup: PAL => PAL-BG\n");
517 t
->std
= V4L2_STD_PAL_BG
;
521 tda9887_dbg("insmod fixup: PAL => PAL-I\n");
522 t
->std
= V4L2_STD_PAL_I
;
528 tda9887_dbg("insmod fixup: PAL => PAL-DK\n");
529 t
->std
= V4L2_STD_PAL_DK
;
532 /* default parameter, do nothing */
535 tda9887_info("pal= argument not recognised\n");
539 if ((t
->std
& V4L2_STD_SECAM
) == V4L2_STD_SECAM
) {
545 tda9887_dbg("insmod fixup: SECAM => SECAM-DK\n");
546 t
->std
= V4L2_STD_SECAM_DK
;
550 tda9887_dbg("insmod fixup: SECAM => SECAM-L\n");
551 t
->std
= V4L2_STD_SECAM_L
;
554 /* default parameter, do nothing */
557 tda9887_info("secam= argument not recognised\n");
564 static int tda9887_status(struct tda9887
*t
)
566 unsigned char buf
[1];
569 memset(buf
,0,sizeof(buf
));
570 if (1 != (rc
= i2c_master_recv(&t
->client
,buf
,1)))
571 tda9887_info("i2c i/o error: rc == %d (should be 1)\n",rc
);
572 dump_read_message(t
, buf
);
576 static int tda9887_configure(struct tda9887
*t
)
580 memset(t
->data
,0,sizeof(t
->data
));
581 tda9887_set_tvnorm(t
,t
->data
);
583 t
->data
[1] |= cOutputPort1Inactive
;
584 t
->data
[1] |= cOutputPort2Inactive
;
586 if (UNSET
!= t
->pinnacle_id
) {
587 tda9887_set_pinnacle(t
,t
->data
);
589 tda9887_set_config(t
,t
->data
);
590 tda9887_set_insmod(t
,t
->data
);
592 if (t
->mode
== T_STANDBY
) {
593 t
->data
[1] |= cForcedMuteAudioON
;
597 tda9887_dbg("writing: b=0x%02x c=0x%02x e=0x%02x\n",
598 t
->data
[1],t
->data
[2],t
->data
[3]);
600 dump_write_message(t
, t
->data
);
602 if (4 != (rc
= i2c_master_send(&t
->client
,t
->data
,4)))
603 tda9887_info("i2c i/o error: rc == %d (should be 4)\n",rc
);
606 msleep_interruptible(1000);
612 /* ---------------------------------------------------------------------- */
614 static int tda9887_attach(struct i2c_adapter
*adap
, int addr
, int kind
)
618 client_template
.adapter
= adap
;
619 client_template
.addr
= addr
;
621 if (NULL
== (t
= kmalloc(sizeof(*t
), GFP_KERNEL
)))
623 memset(t
,0,sizeof(*t
));
625 t
->client
= client_template
;
627 t
->pinnacle_id
= UNSET
;
628 t
->radio_mode
= V4L2_TUNER_MODE_STEREO
;
630 tda9887_info("chip found @ 0x%x (%s)\n", addr
<<1, adap
->name
);
632 i2c_set_clientdata(&t
->client
, t
);
633 i2c_attach_client(&t
->client
);
638 static int tda9887_probe(struct i2c_adapter
*adap
)
640 #ifdef I2C_CLASS_TV_ANALOG
641 if (adap
->class & I2C_CLASS_TV_ANALOG
)
642 return i2c_probe(adap
, &addr_data
, tda9887_attach
);
648 return i2c_probe(adap
, &addr_data
, tda9887_attach
);
655 static int tda9887_detach(struct i2c_client
*client
)
657 struct tda9887
*t
= i2c_get_clientdata(client
);
659 i2c_detach_client(client
);
664 #define SWITCH_V4L2 if (!t->using_v4l2 && debug) \
665 tda9887_info("switching to v4l2\n"); \
667 #define CHECK_V4L2 if (t->using_v4l2) { if (debug) \
668 tda9887_info("ignore v4l1 call\n"); \
672 tda9887_command(struct i2c_client
*client
, unsigned int cmd
, void *arg
)
674 struct tda9887
*t
= i2c_get_clientdata(client
);
678 /* --- configuration --- */
682 tda9887_configure(t
);
685 case TUNER_SET_STANDBY
:
688 tda9887_configure(t
);
691 case AUDC_CONFIG_PINNACLE
:
696 tda9887_configure(t
);
699 case TDA9887_SET_CONFIG
:
704 tda9887_configure(t
);
707 /* --- v4l ioctls --- */
708 /* take care: bttv does userspace copying, we'll get a
709 kernel pointer here... */
712 static const v4l2_std_id map
[] = {
713 [ VIDEO_MODE_PAL
] = V4L2_STD_PAL
,
714 [ VIDEO_MODE_NTSC
] = V4L2_STD_NTSC_M
,
715 [ VIDEO_MODE_SECAM
] = V4L2_STD_SECAM
,
716 [ 4 /* bttv */ ] = V4L2_STD_PAL_M
,
717 [ 5 /* bttv */ ] = V4L2_STD_PAL_N
,
718 [ 6 /* bttv */ ] = V4L2_STD_NTSC_M_JP
,
720 struct video_channel
*vc
= arg
;
723 t
->mode
= T_ANALOG_TV
;
724 if (vc
->norm
< ARRAY_SIZE(map
))
725 t
->std
= map
[vc
->norm
];
726 tda9887_fixup_std(t
);
727 tda9887_configure(t
);
732 v4l2_std_id
*id
= arg
;
735 t
->mode
= T_ANALOG_TV
;
737 tda9887_fixup_std(t
);
738 tda9887_configure(t
);
741 case VIDIOC_S_FREQUENCY
:
743 struct v4l2_frequency
*f
= arg
;
746 if (V4L2_TUNER_ANALOG_TV
== f
->type
) {
747 if (t
->mode
== T_ANALOG_TV
)
749 t
->mode
= T_ANALOG_TV
;
751 if (V4L2_TUNER_RADIO
== f
->type
) {
752 if (t
->mode
== T_RADIO
)
756 tda9887_configure(t
);
761 static int AFC_BITS_2_kHz
[] = {
762 -12500, -37500, -62500, -97500,
763 -112500, -137500, -162500, -187500,
764 187500, 162500, 137500, 112500,
765 97500 , 62500, 37500 , 12500
767 struct v4l2_tuner
* tuner
= arg
;
769 if (t
->mode
== T_RADIO
) {
772 if (1 == i2c_master_recv(&t
->client
,®
,1))
773 tuner
->afc
= AFC_BITS_2_kHz
[(reg
>>1)&0x0f];
779 struct v4l2_tuner
* tuner
= arg
;
781 if (t
->mode
== T_RADIO
) {
782 t
->radio_mode
= tuner
->audmode
;
783 tda9887_configure (t
);
787 case VIDIOC_LOG_STATUS
:
789 tda9887_info("Data bytes: b=%02x c=%02x e=%02x\n", t
->data
[1], t
->data
[2], t
->data
[3]);
799 static int tda9887_suspend(struct device
* dev
, pm_message_t state
)
801 struct i2c_client
*c
= container_of(dev
, struct i2c_client
, dev
);
802 struct tda9887
*t
= i2c_get_clientdata(c
);
804 tda9887_dbg("suspend\n");
808 static int tda9887_resume(struct device
* dev
)
810 struct i2c_client
*c
= container_of(dev
, struct i2c_client
, dev
);
811 struct tda9887
*t
= i2c_get_clientdata(c
);
813 tda9887_dbg("resume\n");
814 tda9887_configure(t
);
818 /* ----------------------------------------------------------------------- */
820 static struct i2c_driver driver
= {
821 .owner
= THIS_MODULE
,
822 .name
= "i2c tda9887 driver",
823 .id
= -1, /* FIXME */
824 .flags
= I2C_DF_NOTIFY
,
825 .attach_adapter
= tda9887_probe
,
826 .detach_client
= tda9887_detach
,
827 .command
= tda9887_command
,
829 .suspend
= tda9887_suspend
,
830 .resume
= tda9887_resume
,
833 static struct i2c_client client_template
=
836 .flags
= I2C_CLIENT_ALLOW_USE
,
840 static int __init
tda9887_init_module(void)
842 return i2c_add_driver(&driver
);
845 static void __exit
tda9887_cleanup_module(void)
847 i2c_del_driver(&driver
);
850 module_init(tda9887_init_module
);
851 module_exit(tda9887_cleanup_module
);
854 * Overrides for Emacs so that we follow Linus's tabbing style.
855 * ---------------------------------------------------------------------------