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 tda9887_info(fmt, arg...) do {\
48 printk(KERN_INFO "%s %d-%04x: " fmt, t->client.name, \
49 i2c_adapter_id(t->client.adapter), t->client.addr , ##arg); } while (0)
50 #define tda9887_dbg(fmt, arg...) do {\
52 printk(KERN_INFO "%s %d-%04x: " fmt, t->client.name, \
53 i2c_adapter_id(t->client.adapter), t->client.addr , ##arg); } while (0)
56 struct i2c_client client
;
60 unsigned int pinnacle_id
;
61 unsigned int using_v4l2
;
62 unsigned int radio_mode
;
63 unsigned char data
[4];
74 static struct i2c_driver driver
;
75 static struct i2c_client client_template
;
77 /* ---------------------------------------------------------------------- */
84 #define cVideoTrapBypassOFF 0x00 // bit b0
85 #define cVideoTrapBypassON 0x01 // bit b0
87 #define cAutoMuteFmInactive 0x00 // bit b1
88 #define cAutoMuteFmActive 0x02 // bit b1
90 #define cIntercarrier 0x00 // bit b2
91 #define cQSS 0x04 // bit b2
93 #define cPositiveAmTV 0x00 // bit b3:4
94 #define cFmRadio 0x08 // bit b3:4
95 #define cNegativeFmTV 0x10 // bit b3:4
98 #define cForcedMuteAudioON 0x20 // bit b5
99 #define cForcedMuteAudioOFF 0x00 // bit b5
101 #define cOutputPort1Active 0x00 // bit b6
102 #define cOutputPort1Inactive 0x40 // bit b6
104 #define cOutputPort2Active 0x00 // bit b7
105 #define cOutputPort2Inactive 0x80 // bit b7
109 #define cDeemphasisOFF 0x00 // bit c5
110 #define cDeemphasisON 0x20 // bit c5
112 #define cDeemphasis75 0x00 // bit c6
113 #define cDeemphasis50 0x40 // bit c6
115 #define cAudioGain0 0x00 // bit c7
116 #define cAudioGain6 0x80 // bit c7
120 #define cAudioIF_4_5 0x00 // bit e0:1
121 #define cAudioIF_5_5 0x01 // bit e0:1
122 #define cAudioIF_6_0 0x02 // bit e0:1
123 #define cAudioIF_6_5 0x03 // bit e0:1
126 #define cVideoIF_58_75 0x00 // bit e2:4
127 #define cVideoIF_45_75 0x04 // bit e2:4
128 #define cVideoIF_38_90 0x08 // bit e2:4
129 #define cVideoIF_38_00 0x0C // bit e2:4
130 #define cVideoIF_33_90 0x10 // bit e2:4
131 #define cVideoIF_33_40 0x14 // bit e2:4
132 #define cRadioIF_45_75 0x18 // bit e2:4
133 #define cRadioIF_38_90 0x1C // bit e2:4
136 #define cTunerGainNormal 0x00 // bit e5
137 #define cTunerGainLow 0x20 // bit e5
139 #define cGating_18 0x00 // bit e6
140 #define cGating_36 0x40 // bit e6
142 #define cAgcOutON 0x80 // bit e7
143 #define cAgcOutOFF 0x00 // bit e7
145 /* ---------------------------------------------------------------------- */
147 static struct tvnorm tvnorms
[] = {
149 .std
= V4L2_STD_PAL_BG
,
151 .b
= ( cNegativeFmTV
|
153 .c
= ( cDeemphasisON
|
155 .e
= ( cAudioIF_5_5
|
158 .std
= V4L2_STD_PAL_I
,
160 .b
= ( cNegativeFmTV
|
162 .c
= ( cDeemphasisON
|
164 .e
= ( cAudioIF_6_0
|
167 .std
= V4L2_STD_PAL_DK
,
169 .b
= ( cNegativeFmTV
|
171 .c
= ( cDeemphasisON
|
173 .e
= ( cAudioIF_6_5
|
176 .std
= V4L2_STD_PAL_M
| V4L2_STD_PAL_N
,
178 .b
= ( cNegativeFmTV
|
180 .c
= ( cDeemphasisON
|
182 .e
= ( cAudioIF_4_5
|
185 .std
= V4L2_STD_SECAM_L
,
187 .b
= ( cPositiveAmTV
|
193 .std
= V4L2_STD_SECAM_DK
,
195 .b
= ( cNegativeFmTV
|
197 .c
= ( cDeemphasisON
|
199 .e
= ( cAudioIF_6_5
|
202 .std
= V4L2_STD_NTSC_M
,
204 .b
= ( cNegativeFmTV
|
206 .c
= ( cDeemphasisON
|
212 .std
= V4L2_STD_NTSC_M_JP
,
214 .b
= ( cNegativeFmTV
|
216 .c
= ( cDeemphasisON
|
224 static struct tvnorm radio_stereo
= {
225 .name
= "Radio Stereo",
228 .c
= ( cDeemphasisOFF
|
230 .e
= ( cAudioIF_5_5
|
234 static struct tvnorm radio_mono
= {
235 .name
= "Radio Mono",
238 .c
= ( cDeemphasisON
|
240 .e
= ( cAudioIF_5_5
|
244 /* ---------------------------------------------------------------------- */
246 static void dump_read_message(struct tda9887
*t
, unsigned char *buf
)
248 static char *afc
[16] = {
266 tda9887_info("read: 0x%2x\n", buf
[0]);
267 tda9887_info(" after power on : %s\n", (buf
[0] & 0x01) ? "yes" : "no");
268 tda9887_info(" afc : %s\n", afc
[(buf
[0] >> 1) & 0x0f]);
269 tda9887_info(" fmif level : %s\n", (buf
[0] & 0x20) ? "high" : "low");
270 tda9887_info(" afc window : %s\n", (buf
[0] & 0x40) ? "in" : "out");
271 tda9887_info(" vfi level : %s\n", (buf
[0] & 0x80) ? "high" : "low");
274 static void dump_write_message(struct tda9887
*t
, unsigned char *buf
)
276 static char *sound
[4] = {
282 static char *adjust
[32] = {
283 "-16", "-15", "-14", "-13", "-12", "-11", "-10", "-9",
284 "-8", "-7", "-6", "-5", "-4", "-3", "-2", "-1",
285 "0", "+1", "+2", "+3", "+4", "+5", "+6", "+7",
286 "+8", "+9", "+10", "+11", "+12", "+13", "+14", "+15"
288 static char *deemph
[4] = {
289 "no", "no", "75", "50"
291 static char *carrier
[4] = {
297 static char *vif
[8] = {
307 static char *rif
[4] = {
314 tda9887_info("write: byte B 0x%02x\n",buf
[1]);
315 tda9887_info(" B0 video mode : %s\n",
316 (buf
[1] & 0x01) ? "video trap" : "sound trap");
317 tda9887_info(" B1 auto mute fm : %s\n",
318 (buf
[1] & 0x02) ? "yes" : "no");
319 tda9887_info(" B2 carrier mode : %s\n",
320 (buf
[1] & 0x04) ? "QSS" : "Intercarrier");
321 tda9887_info(" B3-4 tv sound/radio : %s\n",
322 sound
[(buf
[1] & 0x18) >> 3]);
323 tda9887_info(" B5 force mute audio: %s\n",
324 (buf
[1] & 0x20) ? "yes" : "no");
325 tda9887_info(" B6 output port 1 : %s\n",
326 (buf
[1] & 0x40) ? "high (inactive)" : "low (active)");
327 tda9887_info(" B7 output port 2 : %s\n",
328 (buf
[1] & 0x80) ? "high (inactive)" : "low (active)");
330 tda9887_info("write: byte C 0x%02x\n",buf
[2]);
331 tda9887_info(" C0-4 top adjustment : %s dB\n", adjust
[buf
[2] & 0x1f]);
332 tda9887_info(" C5-6 de-emphasis : %s\n", deemph
[(buf
[2] & 0x60) >> 5]);
333 tda9887_info(" C7 audio gain : %s\n",
334 (buf
[2] & 0x80) ? "-6" : "0");
336 tda9887_info("write: byte E 0x%02x\n",buf
[3]);
337 tda9887_info(" E0-1 sound carrier : %s\n",
338 carrier
[(buf
[3] & 0x03)]);
339 tda9887_info(" E6 l pll gating : %s\n",
340 (buf
[3] & 0x40) ? "36" : "13");
344 tda9887_info(" E2-4 video if : %s\n",
345 rif
[(buf
[3] & 0x0c) >> 2]);
346 tda9887_info(" E7 vif agc output : %s\n",
348 ? ((buf
[3] & 0x10) ? "fm-agc radio" : "sif-agc radio")
349 : "fm radio carrier afc");
352 tda9887_info(" E2-4 video if : %s\n",
353 vif
[(buf
[3] & 0x1c) >> 2]);
354 tda9887_info(" E5 tuner gain : %s\n",
356 ? ((buf
[3] & 0x20) ? "external" : "normal")
357 : ((buf
[3] & 0x20) ? "minimum" : "normal"));
358 tda9887_info(" E7 vif agc output : %s\n",
361 ? "pin3 port, pin22 vif agc out"
362 : "pin22 port, pin3 vif acg ext in")
363 : "pin3+pin22 port");
365 tda9887_info("--\n");
368 /* ---------------------------------------------------------------------- */
370 static int tda9887_set_tvnorm(struct tda9887
*t
, char *buf
)
372 struct tvnorm
*norm
= NULL
;
375 if (t
->mode
== T_RADIO
) {
376 if (t
->radio_mode
== V4L2_TUNER_MODE_MONO
)
379 norm
= &radio_stereo
;
381 for (i
= 0; i
< ARRAY_SIZE(tvnorms
); i
++) {
382 if (tvnorms
[i
].std
& t
->std
) {
389 tda9887_dbg("Unsupported tvnorm entry - audio muted\n");
393 tda9887_dbg("configure for: %s\n",norm
->name
);
400 static unsigned int port1
= UNSET
;
401 static unsigned int port2
= UNSET
;
402 static unsigned int qss
= UNSET
;
403 static unsigned int adjust
= 0x10;
404 module_param(port1
, int, 0644);
405 module_param(port2
, int, 0644);
406 module_param(qss
, int, 0644);
407 module_param(adjust
, int, 0644);
409 static int tda9887_set_insmod(struct tda9887
*t
, char *buf
)
411 if (UNSET
!= port1
) {
413 buf
[1] |= cOutputPort1Inactive
;
415 buf
[1] &= ~cOutputPort1Inactive
;
417 if (UNSET
!= port2
) {
419 buf
[1] |= cOutputPort2Inactive
;
421 buf
[1] &= ~cOutputPort2Inactive
;
431 if (adjust
>= 0x00 && adjust
< 0x20)
436 static int tda9887_set_config(struct tda9887
*t
, char *buf
)
438 if (t
->config
& TDA9887_PORT1_ACTIVE
)
439 buf
[1] &= ~cOutputPort1Inactive
;
440 if (t
->config
& TDA9887_PORT1_INACTIVE
)
441 buf
[1] |= cOutputPort1Inactive
;
442 if (t
->config
& TDA9887_PORT2_ACTIVE
)
443 buf
[1] &= ~cOutputPort2Inactive
;
444 if (t
->config
& TDA9887_PORT2_INACTIVE
)
445 buf
[1] |= cOutputPort2Inactive
;
447 if (t
->config
& TDA9887_QSS
)
449 if (t
->config
& TDA9887_INTERCARRIER
)
452 if (t
->config
& TDA9887_AUTOMUTE
)
453 buf
[1] |= cAutoMuteFmActive
;
454 if (t
->config
& TDA9887_DEEMPHASIS_MASK
) {
456 switch (t
->config
& TDA9887_DEEMPHASIS_MASK
) {
457 case TDA9887_DEEMPHASIS_NONE
:
458 buf
[2] |= cDeemphasisOFF
;
460 case TDA9887_DEEMPHASIS_50
:
461 buf
[2] |= cDeemphasisON
| cDeemphasis50
;
463 case TDA9887_DEEMPHASIS_75
:
464 buf
[2] |= cDeemphasisON
| cDeemphasis75
;
468 if ((t
->config
& TDA9887_INTERCARRIER_NTSC
) && (t
->std
& V4L2_STD_NTSC
))
473 /* ---------------------------------------------------------------------- */
475 static int tda9887_set_pinnacle(struct tda9887
*t
, char *buf
)
477 unsigned int bCarrierMode
= UNSET
;
479 if (t
->std
& V4L2_STD_625_50
) {
480 if ((1 == t
->pinnacle_id
) || (7 == t
->pinnacle_id
)) {
481 bCarrierMode
= cIntercarrier
;
486 if (t
->std
& V4L2_STD_525_60
) {
487 if ((5 == t
->pinnacle_id
) || (6 == t
->pinnacle_id
)) {
488 bCarrierMode
= cIntercarrier
;
494 if (bCarrierMode
!= UNSET
) {
496 buf
[1] |= bCarrierMode
;
501 /* ---------------------------------------------------------------------- */
503 static char pal
[] = "-";
504 module_param_string(pal
, pal
, sizeof(pal
), 0644);
505 static char secam
[] = "-";
506 module_param_string(secam
, secam
, sizeof(secam
), 0644);
508 static int tda9887_fixup_std(struct tda9887
*t
)
510 /* get more precise norm info from insmod option */
511 if ((t
->std
& V4L2_STD_PAL
) == V4L2_STD_PAL
) {
517 tda9887_dbg("insmod fixup: PAL => PAL-BG\n");
518 t
->std
= V4L2_STD_PAL_BG
;
522 tda9887_dbg("insmod fixup: PAL => PAL-I\n");
523 t
->std
= V4L2_STD_PAL_I
;
529 tda9887_dbg("insmod fixup: PAL => PAL-DK\n");
530 t
->std
= V4L2_STD_PAL_DK
;
533 /* default parameter, do nothing */
536 tda9887_info("pal= argument not recognised\n");
540 if ((t
->std
& V4L2_STD_SECAM
) == V4L2_STD_SECAM
) {
546 tda9887_dbg("insmod fixup: SECAM => SECAM-DK\n");
547 t
->std
= V4L2_STD_SECAM_DK
;
551 tda9887_dbg("insmod fixup: SECAM => SECAM-L\n");
552 t
->std
= V4L2_STD_SECAM_L
;
555 /* default parameter, do nothing */
558 tda9887_info("secam= argument not recognised\n");
565 static int tda9887_status(struct tda9887
*t
)
567 unsigned char buf
[1];
570 memset(buf
,0,sizeof(buf
));
571 if (1 != (rc
= i2c_master_recv(&t
->client
,buf
,1)))
572 tda9887_info("i2c i/o error: rc == %d (should be 1)\n",rc
);
573 dump_read_message(t
, buf
);
577 static int tda9887_configure(struct tda9887
*t
)
581 memset(t
->data
,0,sizeof(t
->data
));
582 tda9887_set_tvnorm(t
,t
->data
);
584 t
->data
[1] |= cOutputPort1Inactive
;
585 t
->data
[1] |= cOutputPort2Inactive
;
587 if (UNSET
!= t
->pinnacle_id
) {
588 tda9887_set_pinnacle(t
,t
->data
);
590 tda9887_set_config(t
,t
->data
);
591 tda9887_set_insmod(t
,t
->data
);
593 if (t
->mode
== T_STANDBY
) {
594 t
->data
[1] |= cForcedMuteAudioON
;
598 tda9887_dbg("writing: b=0x%02x c=0x%02x e=0x%02x\n",
599 t
->data
[1],t
->data
[2],t
->data
[3]);
601 dump_write_message(t
, t
->data
);
603 if (4 != (rc
= i2c_master_send(&t
->client
,t
->data
,4)))
604 tda9887_info("i2c i/o error: rc == %d (should be 4)\n",rc
);
607 msleep_interruptible(1000);
613 /* ---------------------------------------------------------------------- */
615 static int tda9887_attach(struct i2c_adapter
*adap
, int addr
, int kind
)
619 client_template
.adapter
= adap
;
620 client_template
.addr
= addr
;
622 if (NULL
== (t
= kmalloc(sizeof(*t
), GFP_KERNEL
)))
624 memset(t
,0,sizeof(*t
));
626 t
->client
= client_template
;
628 t
->pinnacle_id
= UNSET
;
629 t
->radio_mode
= V4L2_TUNER_MODE_STEREO
;
631 tda9887_info("chip found @ 0x%x (%s)\n", addr
<<1, adap
->name
);
633 i2c_set_clientdata(&t
->client
, t
);
634 i2c_attach_client(&t
->client
);
639 static int tda9887_probe(struct i2c_adapter
*adap
)
641 #ifdef I2C_CLASS_TV_ANALOG
642 if (adap
->class & I2C_CLASS_TV_ANALOG
)
643 return i2c_probe(adap
, &addr_data
, tda9887_attach
);
649 return i2c_probe(adap
, &addr_data
, tda9887_attach
);
656 static int tda9887_detach(struct i2c_client
*client
)
658 struct tda9887
*t
= i2c_get_clientdata(client
);
660 i2c_detach_client(client
);
665 #define SWITCH_V4L2 if (!t->using_v4l2 && debug) \
666 tda9887_info("switching to v4l2\n"); \
668 #define CHECK_V4L2 if (t->using_v4l2) { if (debug) \
669 tda9887_info("ignore v4l1 call\n"); \
673 tda9887_command(struct i2c_client
*client
, unsigned int cmd
, void *arg
)
675 struct tda9887
*t
= i2c_get_clientdata(client
);
679 /* --- configuration --- */
683 tda9887_configure(t
);
686 case TUNER_SET_STANDBY
:
689 tda9887_configure(t
);
692 case AUDC_CONFIG_PINNACLE
:
697 tda9887_configure(t
);
700 case TDA9887_SET_CONFIG
:
705 tda9887_configure(t
);
708 /* --- v4l ioctls --- */
709 /* take care: bttv does userspace copying, we'll get a
710 kernel pointer here... */
713 static const v4l2_std_id map
[] = {
714 [ VIDEO_MODE_PAL
] = V4L2_STD_PAL
,
715 [ VIDEO_MODE_NTSC
] = V4L2_STD_NTSC_M
,
716 [ VIDEO_MODE_SECAM
] = V4L2_STD_SECAM
,
717 [ 4 /* bttv */ ] = V4L2_STD_PAL_M
,
718 [ 5 /* bttv */ ] = V4L2_STD_PAL_N
,
719 [ 6 /* bttv */ ] = V4L2_STD_NTSC_M_JP
,
721 struct video_channel
*vc
= arg
;
724 t
->mode
= T_ANALOG_TV
;
725 if (vc
->norm
< ARRAY_SIZE(map
))
726 t
->std
= map
[vc
->norm
];
727 tda9887_fixup_std(t
);
728 tda9887_configure(t
);
733 v4l2_std_id
*id
= arg
;
736 t
->mode
= T_ANALOG_TV
;
738 tda9887_fixup_std(t
);
739 tda9887_configure(t
);
742 case VIDIOC_S_FREQUENCY
:
744 struct v4l2_frequency
*f
= arg
;
747 if (V4L2_TUNER_ANALOG_TV
== f
->type
) {
748 if (t
->mode
== T_ANALOG_TV
)
750 t
->mode
= T_ANALOG_TV
;
752 if (V4L2_TUNER_RADIO
== f
->type
) {
753 if (t
->mode
== T_RADIO
)
757 tda9887_configure(t
);
762 static int AFC_BITS_2_kHz
[] = {
763 -12500, -37500, -62500, -97500,
764 -112500, -137500, -162500, -187500,
765 187500, 162500, 137500, 112500,
766 97500 , 62500, 37500 , 12500
768 struct v4l2_tuner
* tuner
= arg
;
770 if (t
->mode
== T_RADIO
) {
773 if (1 == i2c_master_recv(&t
->client
,®
,1))
774 tuner
->afc
= AFC_BITS_2_kHz
[(reg
>>1)&0x0f];
780 struct v4l2_tuner
* tuner
= arg
;
782 if (t
->mode
== T_RADIO
) {
783 t
->radio_mode
= tuner
->audmode
;
784 tda9887_configure (t
);
788 case VIDIOC_LOG_STATUS
:
790 tda9887_info("Data bytes: b=%02x c=%02x e=%02x\n", t
->data
[1], t
->data
[2], t
->data
[3]);
800 static int tda9887_suspend(struct device
* dev
, pm_message_t state
)
802 struct i2c_client
*c
= container_of(dev
, struct i2c_client
, dev
);
803 struct tda9887
*t
= i2c_get_clientdata(c
);
805 tda9887_dbg("suspend\n");
809 static int tda9887_resume(struct device
* dev
)
811 struct i2c_client
*c
= container_of(dev
, struct i2c_client
, dev
);
812 struct tda9887
*t
= i2c_get_clientdata(c
);
814 tda9887_dbg("resume\n");
815 tda9887_configure(t
);
819 /* ----------------------------------------------------------------------- */
821 static struct i2c_driver driver
= {
822 .id
= -1, /* FIXME */
823 .attach_adapter
= tda9887_probe
,
824 .detach_client
= tda9887_detach
,
825 .command
= tda9887_command
,
827 .owner
= THIS_MODULE
,
828 .name
= "i2c tda9887 driver",
829 .suspend
= tda9887_suspend
,
830 .resume
= tda9887_resume
,
833 static struct i2c_client client_template
=
839 static int __init
tda9887_init_module(void)
841 return i2c_add_driver(&driver
);
844 static void __exit
tda9887_cleanup_module(void)
846 i2c_del_driver(&driver
);
849 module_init(tda9887_init_module
);
850 module_exit(tda9887_cleanup_module
);
853 * Overrides for Emacs so that we follow Linus's tabbing style.
854 * ---------------------------------------------------------------------------