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)
26 - Hauppauge PVR-150/500 (possibly more)
30 /* Addresses to scan */
31 static unsigned short normal_i2c
[] = {
40 static unsigned int debug
= 0;
41 module_param(debug
, int, 0644);
42 MODULE_LICENSE("GPL");
44 /* ---------------------------------------------------------------------- */
47 #define PREFIX "tda9885/6/7: "
48 #define dprintk if (debug) printk
51 struct i2c_client client
;
55 unsigned int pinnacle_id
;
56 unsigned int using_v4l2
;
57 unsigned int radio_mode
;
68 static struct i2c_driver driver
;
69 static struct i2c_client client_template
;
71 /* ---------------------------------------------------------------------- */
78 #define cVideoTrapBypassOFF 0x00 // bit b0
79 #define cVideoTrapBypassON 0x01 // bit b0
81 #define cAutoMuteFmInactive 0x00 // bit b1
82 #define cAutoMuteFmActive 0x02 // bit b1
84 #define cIntercarrier 0x00 // bit b2
85 #define cQSS 0x04 // bit b2
87 #define cPositiveAmTV 0x00 // bit b3:4
88 #define cFmRadio 0x08 // bit b3:4
89 #define cNegativeFmTV 0x10 // bit b3:4
92 #define cForcedMuteAudioON 0x20 // bit b5
93 #define cForcedMuteAudioOFF 0x00 // bit b5
95 #define cOutputPort1Active 0x00 // bit b6
96 #define cOutputPort1Inactive 0x40 // bit b6
98 #define cOutputPort2Active 0x00 // bit b7
99 #define cOutputPort2Inactive 0x80 // bit b7
103 #define cDeemphasisOFF 0x00 // bit c5
104 #define cDeemphasisON 0x20 // bit c5
106 #define cDeemphasis75 0x00 // bit c6
107 #define cDeemphasis50 0x40 // bit c6
109 #define cAudioGain0 0x00 // bit c7
110 #define cAudioGain6 0x80 // bit c7
114 #define cAudioIF_4_5 0x00 // bit e0:1
115 #define cAudioIF_5_5 0x01 // bit e0:1
116 #define cAudioIF_6_0 0x02 // bit e0:1
117 #define cAudioIF_6_5 0x03 // bit e0:1
120 #define cVideoIF_58_75 0x00 // bit e2:4
121 #define cVideoIF_45_75 0x04 // bit e2:4
122 #define cVideoIF_38_90 0x08 // bit e2:4
123 #define cVideoIF_38_00 0x0C // bit e2:4
124 #define cVideoIF_33_90 0x10 // bit e2:4
125 #define cVideoIF_33_40 0x14 // bit e2:4
126 #define cRadioIF_45_75 0x18 // bit e2:4
127 #define cRadioIF_38_90 0x1C // bit e2:4
130 #define cTunerGainNormal 0x00 // bit e5
131 #define cTunerGainLow 0x20 // bit e5
133 #define cGating_18 0x00 // bit e6
134 #define cGating_36 0x40 // bit e6
136 #define cAgcOutON 0x80 // bit e7
137 #define cAgcOutOFF 0x00 // bit e7
139 /* ---------------------------------------------------------------------- */
141 static struct tvnorm tvnorms
[] = {
143 .std
= V4L2_STD_PAL_BG
,
145 .b
= ( cNegativeFmTV
|
147 .c
= ( cDeemphasisON
|
149 .e
= ( cAudioIF_5_5
|
152 .std
= V4L2_STD_PAL_I
,
154 .b
= ( cNegativeFmTV
|
156 .c
= ( cDeemphasisON
|
158 .e
= ( cAudioIF_6_0
|
161 .std
= V4L2_STD_PAL_DK
,
163 .b
= ( cNegativeFmTV
|
165 .c
= ( cDeemphasisON
|
167 .e
= ( cAudioIF_6_5
|
170 .std
= V4L2_STD_PAL_M
| V4L2_STD_PAL_N
,
172 .b
= ( cNegativeFmTV
|
174 .c
= ( cDeemphasisON
|
176 .e
= ( cAudioIF_4_5
|
179 .std
= V4L2_STD_SECAM_L
,
181 .b
= ( cPositiveAmTV
|
183 .e
= ( cAudioIF_6_5
|
186 .std
= V4L2_STD_SECAM_DK
,
188 .b
= ( cNegativeFmTV
|
190 .c
= ( cDeemphasisON
|
192 .e
= ( cAudioIF_6_5
|
195 .std
= V4L2_STD_NTSC_M
,
197 .b
= ( cNegativeFmTV
|
199 .c
= ( cDeemphasisON
|
205 .std
= V4L2_STD_NTSC_M_JP
,
207 .b
= ( cNegativeFmTV
|
209 .c
= ( cDeemphasisON
|
217 static struct tvnorm radio_stereo
= {
218 .name
= "Radio Stereo",
221 .c
= ( cDeemphasisOFF
|
223 .e
= ( cAudioIF_5_5
|
227 static struct tvnorm radio_mono
= {
228 .name
= "Radio Mono",
231 .c
= ( cDeemphasisON
|
233 .e
= ( cAudioIF_5_5
|
237 /* ---------------------------------------------------------------------- */
239 static void dump_read_message(unsigned char *buf
)
241 static char *afc
[16] = {
259 printk(PREFIX
"read: 0x%2x\n", buf
[0]);
260 printk(" after power on : %s\n", (buf
[0] & 0x01) ? "yes" : "no");
261 printk(" afc : %s\n", afc
[(buf
[0] >> 1) & 0x0f]);
262 printk(" fmif level : %s\n", (buf
[0] & 0x20) ? "high" : "low");
263 printk(" afc window : %s\n", (buf
[0] & 0x40) ? "in" : "out");
264 printk(" vfi level : %s\n", (buf
[0] & 0x80) ? "high" : "low");
267 static void dump_write_message(unsigned char *buf
)
269 static char *sound
[4] = {
275 static char *adjust
[32] = {
276 "-16", "-15", "-14", "-13", "-12", "-11", "-10", "-9",
277 "-8", "-7", "-6", "-5", "-4", "-3", "-2", "-1",
278 "0", "+1", "+2", "+3", "+4", "+5", "+6", "+7",
279 "+8", "+9", "+10", "+11", "+12", "+13", "+14", "+15"
281 static char *deemph
[4] = {
282 "no", "no", "75", "50"
284 static char *carrier
[4] = {
290 static char *vif
[8] = {
300 static char *rif
[4] = {
307 printk(PREFIX
"write: byte B 0x%02x\n",buf
[1]);
308 printk(" B0 video mode : %s\n",
309 (buf
[1] & 0x01) ? "video trap" : "sound trap");
310 printk(" B1 auto mute fm : %s\n",
311 (buf
[1] & 0x02) ? "yes" : "no");
312 printk(" B2 carrier mode : %s\n",
313 (buf
[1] & 0x04) ? "QSS" : "Intercarrier");
314 printk(" B3-4 tv sound/radio : %s\n",
315 sound
[(buf
[1] & 0x18) >> 3]);
316 printk(" B5 force mute audio: %s\n",
317 (buf
[1] & 0x20) ? "yes" : "no");
318 printk(" B6 output port 1 : %s\n",
319 (buf
[1] & 0x40) ? "high (inactive)" : "low (active)");
320 printk(" B7 output port 2 : %s\n",
321 (buf
[1] & 0x80) ? "high (inactive)" : "low (active)");
323 printk(PREFIX
"write: byte C 0x%02x\n",buf
[2]);
324 printk(" C0-4 top adjustment : %s dB\n", adjust
[buf
[2] & 0x1f]);
325 printk(" C5-6 de-emphasis : %s\n", deemph
[(buf
[2] & 0x60) >> 5]);
326 printk(" C7 audio gain : %s\n",
327 (buf
[2] & 0x80) ? "-6" : "0");
329 printk(PREFIX
"write: byte E 0x%02x\n",buf
[3]);
330 printk(" E0-1 sound carrier : %s\n",
331 carrier
[(buf
[3] & 0x03)]);
332 printk(" E6 l pll ganting : %s\n",
333 (buf
[3] & 0x40) ? "36" : "13");
337 printk(" E2-4 video if : %s\n",
338 rif
[(buf
[3] & 0x0c) >> 2]);
339 printk(" E7 vif agc output : %s\n",
341 ? ((buf
[3] & 0x10) ? "fm-agc radio" : "sif-agc radio")
342 : "fm radio carrier afc");
345 printk(" E2-4 video if : %s\n",
346 vif
[(buf
[3] & 0x1c) >> 2]);
347 printk(" E5 tuner gain : %s\n",
349 ? ((buf
[3] & 0x20) ? "external" : "normal")
350 : ((buf
[3] & 0x20) ? "minimum" : "normal"));
351 printk(" E7 vif agc output : %s\n",
354 ? "pin3 port, pin22 vif agc out"
355 : "pin22 port, pin3 vif acg ext in")
356 : "pin3+pin22 port");
361 /* ---------------------------------------------------------------------- */
363 static int tda9887_set_tvnorm(struct tda9887
*t
, char *buf
)
365 struct tvnorm
*norm
= NULL
;
368 if (t
->mode
== T_RADIO
) {
369 if (t
->radio_mode
== V4L2_TUNER_MODE_MONO
)
372 norm
= &radio_stereo
;
374 for (i
= 0; i
< ARRAY_SIZE(tvnorms
); i
++) {
375 if (tvnorms
[i
].std
& t
->std
) {
382 dprintk(PREFIX
"Unsupported tvnorm entry - audio muted\n");
386 dprintk(PREFIX
"configure for: %s\n",norm
->name
);
393 static unsigned int port1
= UNSET
;
394 static unsigned int port2
= UNSET
;
395 static unsigned int qss
= UNSET
;
396 static unsigned int adjust
= 0x10;
397 module_param(port1
, int, 0644);
398 module_param(port2
, int, 0644);
399 module_param(qss
, int, 0644);
400 module_param(adjust
, int, 0644);
402 static int tda9887_set_insmod(struct tda9887
*t
, char *buf
)
404 if (UNSET
!= port1
) {
406 buf
[1] |= cOutputPort1Inactive
;
408 buf
[1] &= ~cOutputPort1Inactive
;
410 if (UNSET
!= port2
) {
412 buf
[1] |= cOutputPort2Inactive
;
414 buf
[1] &= ~cOutputPort2Inactive
;
424 if (adjust
>= 0x00 && adjust
< 0x20)
429 static int tda9887_set_config(struct tda9887
*t
, char *buf
)
431 if (t
->config
& TDA9887_PORT1_ACTIVE
)
432 buf
[1] &= ~cOutputPort1Inactive
;
433 if (t
->config
& TDA9887_PORT1_INACTIVE
)
434 buf
[1] |= cOutputPort1Inactive
;
435 if (t
->config
& TDA9887_PORT2_ACTIVE
)
436 buf
[1] &= ~cOutputPort2Inactive
;
437 if (t
->config
& TDA9887_PORT2_INACTIVE
)
438 buf
[1] |= cOutputPort2Inactive
;
440 if (t
->config
& TDA9887_QSS
)
442 if (t
->config
& TDA9887_INTERCARRIER
)
445 if (t
->config
& TDA9887_AUTOMUTE
)
446 buf
[1] |= cAutoMuteFmActive
;
447 if (t
->config
& TDA9887_DEEMPHASIS_MASK
) {
449 switch (t
->config
& TDA9887_DEEMPHASIS_MASK
) {
450 case TDA9887_DEEMPHASIS_NONE
:
451 buf
[2] |= cDeemphasisOFF
;
453 case TDA9887_DEEMPHASIS_50
:
454 buf
[2] |= cDeemphasisON
| cDeemphasis50
;
456 case TDA9887_DEEMPHASIS_75
:
457 buf
[2] |= cDeemphasisON
| cDeemphasis75
;
464 /* ---------------------------------------------------------------------- */
466 static int tda9887_set_pinnacle(struct tda9887
*t
, char *buf
)
468 unsigned int bCarrierMode
= UNSET
;
470 if (t
->std
& V4L2_STD_625_50
) {
471 if ((1 == t
->pinnacle_id
) || (7 == t
->pinnacle_id
)) {
472 bCarrierMode
= cIntercarrier
;
477 if (t
->std
& V4L2_STD_525_60
) {
478 if ((5 == t
->pinnacle_id
) || (6 == t
->pinnacle_id
)) {
479 bCarrierMode
= cIntercarrier
;
485 if (bCarrierMode
!= UNSET
) {
487 buf
[1] |= bCarrierMode
;
492 /* ---------------------------------------------------------------------- */
494 static char pal
[] = "-";
495 module_param_string(pal
, pal
, sizeof(pal
), 0644);
496 static char secam
[] = "-";
497 module_param_string(secam
, secam
, sizeof(secam
), 0644);
499 static int tda9887_fixup_std(struct tda9887
*t
)
501 /* get more precise norm info from insmod option */
502 if ((t
->std
& V4L2_STD_PAL
) == V4L2_STD_PAL
) {
508 dprintk(PREFIX
"insmod fixup: PAL => PAL-BG\n");
509 t
->std
= V4L2_STD_PAL_BG
;
513 dprintk(PREFIX
"insmod fixup: PAL => PAL-I\n");
514 t
->std
= V4L2_STD_PAL_I
;
520 dprintk(PREFIX
"insmod fixup: PAL => PAL-DK\n");
521 t
->std
= V4L2_STD_PAL_DK
;
524 /* default parameter, do nothing */
527 printk(PREFIX
"pal= argument not recognised\n");
531 if ((t
->std
& V4L2_STD_SECAM
) == V4L2_STD_SECAM
) {
537 dprintk(PREFIX
"insmod fixup: SECAM => SECAM-DK\n");
538 t
->std
= V4L2_STD_SECAM_DK
;
542 dprintk(PREFIX
"insmod fixup: SECAM => SECAM-L\n");
543 t
->std
= V4L2_STD_SECAM_L
;
546 /* default parameter, do nothing */
549 printk(PREFIX
"secam= argument not recognised\n");
556 static int tda9887_status(struct tda9887
*t
)
558 unsigned char buf
[1];
561 memset(buf
,0,sizeof(buf
));
562 if (1 != (rc
= i2c_master_recv(&t
->client
,buf
,1)))
563 printk(PREFIX
"i2c i/o error: rc == %d (should be 1)\n",rc
);
564 dump_read_message(buf
);
568 static int tda9887_configure(struct tda9887
*t
)
570 unsigned char buf
[4];
573 memset(buf
,0,sizeof(buf
));
574 tda9887_set_tvnorm(t
,buf
);
576 buf
[1] |= cOutputPort1Inactive
;
577 buf
[1] |= cOutputPort2Inactive
;
579 if (UNSET
!= t
->pinnacle_id
) {
580 tda9887_set_pinnacle(t
,buf
);
582 tda9887_set_config(t
,buf
);
583 tda9887_set_insmod(t
,buf
);
585 if (t
->mode
== T_STANDBY
) {
586 buf
[1] |= cForcedMuteAudioON
;
590 dprintk(PREFIX
"writing: b=0x%02x c=0x%02x e=0x%02x\n",
591 buf
[1],buf
[2],buf
[3]);
593 dump_write_message(buf
);
595 if (4 != (rc
= i2c_master_send(&t
->client
,buf
,4)))
596 printk(PREFIX
"i2c i/o error: rc == %d (should be 4)\n",rc
);
599 msleep_interruptible(1000);
605 /* ---------------------------------------------------------------------- */
607 static int tda9887_attach(struct i2c_adapter
*adap
, int addr
, int kind
)
611 client_template
.adapter
= adap
;
612 client_template
.addr
= addr
;
614 printk(PREFIX
"chip found @ 0x%x\n", addr
<<1);
616 if (NULL
== (t
= kmalloc(sizeof(*t
), GFP_KERNEL
)))
618 memset(t
,0,sizeof(*t
));
620 t
->client
= client_template
;
622 t
->pinnacle_id
= UNSET
;
623 t
->radio_mode
= V4L2_TUNER_MODE_STEREO
;
625 i2c_set_clientdata(&t
->client
, t
);
626 i2c_attach_client(&t
->client
);
631 static int tda9887_probe(struct i2c_adapter
*adap
)
633 #ifdef I2C_CLASS_TV_ANALOG
634 if (adap
->class & I2C_CLASS_TV_ANALOG
)
635 return i2c_probe(adap
, &addr_data
, tda9887_attach
);
641 return i2c_probe(adap
, &addr_data
, tda9887_attach
);
648 static int tda9887_detach(struct i2c_client
*client
)
650 struct tda9887
*t
= i2c_get_clientdata(client
);
652 i2c_detach_client(client
);
657 #define SWITCH_V4L2 if (!t->using_v4l2 && debug) \
658 printk(PREFIX "switching to v4l2\n"); \
660 #define CHECK_V4L2 if (t->using_v4l2) { if (debug) \
661 printk(PREFIX "ignore v4l1 call\n"); \
665 tda9887_command(struct i2c_client
*client
, unsigned int cmd
, void *arg
)
667 struct tda9887
*t
= i2c_get_clientdata(client
);
671 /* --- configuration --- */
675 tda9887_configure(t
);
678 case TUNER_SET_STANDBY
:
681 tda9887_configure(t
);
684 case AUDC_CONFIG_PINNACLE
:
689 tda9887_configure(t
);
692 case TDA9887_SET_CONFIG
:
697 tda9887_configure(t
);
700 /* --- v4l ioctls --- */
701 /* take care: bttv does userspace copying, we'll get a
702 kernel pointer here... */
705 static const v4l2_std_id map
[] = {
706 [ VIDEO_MODE_PAL
] = V4L2_STD_PAL
,
707 [ VIDEO_MODE_NTSC
] = V4L2_STD_NTSC_M
,
708 [ VIDEO_MODE_SECAM
] = V4L2_STD_SECAM
,
709 [ 4 /* bttv */ ] = V4L2_STD_PAL_M
,
710 [ 5 /* bttv */ ] = V4L2_STD_PAL_N
,
711 [ 6 /* bttv */ ] = V4L2_STD_NTSC_M_JP
,
713 struct video_channel
*vc
= arg
;
716 t
->mode
= T_ANALOG_TV
;
717 if (vc
->norm
< ARRAY_SIZE(map
))
718 t
->std
= map
[vc
->norm
];
719 tda9887_fixup_std(t
);
720 tda9887_configure(t
);
725 v4l2_std_id
*id
= arg
;
728 t
->mode
= T_ANALOG_TV
;
730 tda9887_fixup_std(t
);
731 tda9887_configure(t
);
734 case VIDIOC_S_FREQUENCY
:
736 struct v4l2_frequency
*f
= arg
;
739 if (V4L2_TUNER_ANALOG_TV
== f
->type
) {
740 if (t
->mode
== T_ANALOG_TV
)
742 t
->mode
= T_ANALOG_TV
;
744 if (V4L2_TUNER_RADIO
== f
->type
) {
745 if (t
->mode
== T_RADIO
)
749 tda9887_configure(t
);
754 static int AFC_BITS_2_kHz
[] = {
755 -12500, -37500, -62500, -97500,
756 -112500, -137500, -162500, -187500,
757 187500, 162500, 137500, 112500,
758 97500 , 62500, 37500 , 12500
760 struct v4l2_tuner
* tuner
= arg
;
762 if (t
->mode
== T_RADIO
) {
765 if (1 == i2c_master_recv(&t
->client
,®
,1))
766 tuner
->afc
= AFC_BITS_2_kHz
[(reg
>>1)&0x0f];
772 struct v4l2_tuner
* tuner
= arg
;
774 if (t
->mode
== T_RADIO
) {
775 t
->radio_mode
= tuner
->audmode
;
776 tda9887_configure (t
);
787 static int tda9887_suspend(struct device
* dev
, pm_message_t state
, u32 level
)
789 dprintk("tda9887: suspend\n");
793 static int tda9887_resume(struct device
* dev
, u32 level
)
795 struct i2c_client
*c
= container_of(dev
, struct i2c_client
, dev
);
796 struct tda9887
*t
= i2c_get_clientdata(c
);
798 dprintk("tda9887: resume\n");
799 tda9887_configure(t
);
803 /* ----------------------------------------------------------------------- */
805 static struct i2c_driver driver
= {
806 .owner
= THIS_MODULE
,
807 .name
= "i2c tda9887 driver",
808 .id
= -1, /* FIXME */
809 .flags
= I2C_DF_NOTIFY
,
810 .attach_adapter
= tda9887_probe
,
811 .detach_client
= tda9887_detach
,
812 .command
= tda9887_command
,
814 .suspend
= tda9887_suspend
,
815 .resume
= tda9887_resume
,
818 static struct i2c_client client_template
=
821 .flags
= I2C_CLIENT_ALLOW_USE
,
825 static int __init
tda9887_init_module(void)
827 return i2c_add_driver(&driver
);
830 static void __exit
tda9887_cleanup_module(void)
832 i2c_del_driver(&driver
);
835 module_init(tda9887_init_module
);
836 module_exit(tda9887_cleanup_module
);
839 * Overrides for Emacs so that we follow Linus's tabbing style.
840 * ---------------------------------------------------------------------------