3 * i2c tv tuner chip device driver
4 * core core, i.e. kernel interfaces, registering and so on
7 #include <linux/module.h>
8 #include <linux/kernel.h>
9 #include <linux/string.h>
10 #include <linux/timer.h>
11 #include <linux/delay.h>
12 #include <linux/errno.h>
13 #include <linux/slab.h>
14 #include <linux/poll.h>
15 #include <linux/i2c.h>
16 #include <linux/types.h>
17 #include <linux/init.h>
18 #include <linux/videodev.h>
19 #include <media/tuner.h>
20 #include <media/tuner-types.h>
21 #include <media/v4l2-common.h>
22 #include "tuner-driver.h"
27 #include "tuner-xc2028.h"
28 #include "tuner-simple.h"
33 /* standard i2c insmod options */
34 static unsigned short normal_i2c
[] = {
35 #if defined(CONFIG_TUNER_TEA5761) || (defined(CONFIG_TUNER_TEA5761_MODULE) && defined(MODULE))
38 0x42, 0x43, 0x4a, 0x4b, /* tda8290 */
39 0x60, 0x61, 0x62, 0x63, 0x64, 0x65, 0x66, 0x67,
40 0x68, 0x69, 0x6a, 0x6b, 0x6c, 0x6d, 0x6e, 0x6f,
46 /* insmod options used at init time => read/only */
47 static unsigned int addr
= 0;
48 static unsigned int no_autodetect
= 0;
49 static unsigned int show_i2c
= 0;
51 /* insmod options used at runtime => read/write */
54 static unsigned int tv_range
[2] = { 44, 958 };
55 static unsigned int radio_range
[2] = { 65, 108 };
57 static char pal
[] = "--";
58 static char secam
[] = "--";
59 static char ntsc
[] = "-";
62 module_param(addr
, int, 0444);
63 module_param(no_autodetect
, int, 0444);
64 module_param(show_i2c
, int, 0444);
65 module_param_named(debug
,tuner_debug
, int, 0644);
66 module_param_string(pal
, pal
, sizeof(pal
), 0644);
67 module_param_string(secam
, secam
, sizeof(secam
), 0644);
68 module_param_string(ntsc
, ntsc
, sizeof(ntsc
), 0644);
69 module_param_array(tv_range
, int, NULL
, 0644);
70 module_param_array(radio_range
, int, NULL
, 0644);
72 MODULE_DESCRIPTION("device driver for various TV and TV+FM radio tuners");
73 MODULE_AUTHOR("Ralph Metzler, Gerd Knorr, Gunther Mayer");
74 MODULE_LICENSE("GPL");
76 static struct i2c_driver driver
;
77 static struct i2c_client client_template
;
79 /* ---------------------------------------------------------------------- */
81 static void fe_set_freq(struct dvb_frontend
*fe
, unsigned int freq
)
83 struct dvb_tuner_ops
*fe_tuner_ops
= &fe
->ops
.tuner_ops
;
84 struct tuner
*t
= fe
->analog_demod_priv
;
86 struct analog_parameters params
= {
89 .audmode
= t
->audmode
,
93 if (NULL
== fe_tuner_ops
->set_analog_params
) {
94 tuner_warn("Tuner frontend module has no way to set freq\n");
97 fe_tuner_ops
->set_analog_params(fe
, ¶ms
);
100 static void fe_release(struct dvb_frontend
*fe
)
102 if (fe
->ops
.tuner_ops
.release
)
103 fe
->ops
.tuner_ops
.release(fe
);
105 fe
->ops
.analog_demod_ops
= NULL
;
107 /* DO NOT kfree(fe->analog_demod_priv)
109 * If we are in this function, analog_demod_priv contains a pointer
110 * to struct tuner *t. This will be kfree'd in tuner_detach().
112 * Otherwise, fe->ops.analog_demod_ops->release will
113 * handle the cleanup for analog demodulator modules.
115 fe
->analog_demod_priv
= NULL
;
118 static void fe_standby(struct dvb_frontend
*fe
)
120 struct dvb_tuner_ops
*fe_tuner_ops
= &fe
->ops
.tuner_ops
;
122 if (fe_tuner_ops
->sleep
)
123 fe_tuner_ops
->sleep(fe
);
126 static int fe_has_signal(struct dvb_frontend
*fe
)
130 if (fe
->ops
.tuner_ops
.get_rf_strength
)
131 fe
->ops
.tuner_ops
.get_rf_strength(fe
, &strength
);
136 static void tuner_status(struct dvb_frontend
*fe
);
138 static struct analog_tuner_ops tuner_core_ops
= {
139 .set_tv_freq
= fe_set_freq
,
140 .set_radio_freq
= fe_set_freq
,
141 .standby
= fe_standby
,
142 .release
= fe_release
,
143 .has_signal
= fe_has_signal
,
144 .tuner_status
= tuner_status
147 /* Set tuner frequency, freq in Units of 62.5kHz = 1/16MHz */
148 static void set_tv_freq(struct i2c_client
*c
, unsigned int freq
)
150 struct tuner
*t
= i2c_get_clientdata(c
);
151 struct analog_tuner_ops
*ops
= t
->fe
.ops
.analog_demod_ops
;
153 if (t
->type
== UNSET
) {
154 tuner_warn ("tuner type not set\n");
157 if ((NULL
== ops
) || (NULL
== ops
->set_tv_freq
)) {
158 tuner_warn ("Tuner has no way to set tv freq\n");
161 if (freq
< tv_range
[0] * 16 || freq
> tv_range
[1] * 16) {
162 tuner_dbg ("TV freq (%d.%02d) out of range (%d-%d)\n",
163 freq
/ 16, freq
% 16 * 100 / 16, tv_range
[0],
165 /* V4L2 spec: if the freq is not possible then the closest
166 possible value should be selected */
167 if (freq
< tv_range
[0] * 16)
168 freq
= tv_range
[0] * 16;
170 freq
= tv_range
[1] * 16;
172 ops
->set_tv_freq(&t
->fe
, freq
);
175 static void set_radio_freq(struct i2c_client
*c
, unsigned int freq
)
177 struct tuner
*t
= i2c_get_clientdata(c
);
178 struct analog_tuner_ops
*ops
= t
->fe
.ops
.analog_demod_ops
;
180 if (t
->type
== UNSET
) {
181 tuner_warn ("tuner type not set\n");
184 if ((NULL
== ops
) || (NULL
== ops
->set_radio_freq
)) {
185 tuner_warn ("tuner has no way to set radio frequency\n");
188 if (freq
< radio_range
[0] * 16000 || freq
> radio_range
[1] * 16000) {
189 tuner_dbg ("radio freq (%d.%02d) out of range (%d-%d)\n",
190 freq
/ 16000, freq
% 16000 * 100 / 16000,
191 radio_range
[0], radio_range
[1]);
192 /* V4L2 spec: if the freq is not possible then the closest
193 possible value should be selected */
194 if (freq
< radio_range
[0] * 16000)
195 freq
= radio_range
[0] * 16000;
197 freq
= radio_range
[1] * 16000;
200 ops
->set_radio_freq(&t
->fe
, freq
);
203 static void set_freq(struct i2c_client
*c
, unsigned long freq
)
205 struct tuner
*t
= i2c_get_clientdata(c
);
208 case V4L2_TUNER_RADIO
:
209 tuner_dbg("radio freq set to %lu.%02lu\n",
210 freq
/ 16000, freq
% 16000 * 100 / 16000);
211 set_radio_freq(c
, freq
);
212 t
->radio_freq
= freq
;
214 case V4L2_TUNER_ANALOG_TV
:
215 case V4L2_TUNER_DIGITAL_TV
:
216 tuner_dbg("tv freq set to %lu.%02lu\n",
217 freq
/ 16, freq
% 16 * 100 / 16);
218 set_tv_freq(c
, freq
);
222 tuner_dbg("freq set: unknown mode: 0x%04x!\n",t
->mode
);
226 static void tuner_i2c_address_check(struct tuner
*t
)
228 if ((t
->type
== UNSET
|| t
->type
== TUNER_ABSENT
) ||
229 ((t
->i2c
.addr
< 0x64) || (t
->i2c
.addr
> 0x6f)))
232 tuner_warn("====================== WARNING! ======================\n");
233 tuner_warn("Support for tuners in i2c address range 0x64 thru 0x6f\n");
234 tuner_warn("will soon be dropped. This message indicates that your\n");
235 tuner_warn("hardware has a %s tuner at i2c address 0x%02x.\n",
236 t
->i2c
.name
, t
->i2c
.addr
);
237 tuner_warn("To ensure continued support for your device, please\n");
238 tuner_warn("send a copy of this message, along with full dmesg\n");
239 tuner_warn("output to v4l-dvb-maintainer@linuxtv.org\n");
240 tuner_warn("Please use subject line: \"obsolete tuner i2c address.\"\n");
241 tuner_warn("driver: %s, addr: 0x%02x, type: %d (%s)\n",
242 t
->i2c
.adapter
->name
, t
->i2c
.addr
, t
->type
,
243 tuners
[t
->type
].name
);
244 tuner_warn("====================== WARNING! ======================\n");
247 static void attach_simple_tuner(struct tuner
*t
)
249 struct simple_tuner_config cfg
= {
251 .tun
= &tuners
[t
->type
]
253 simple_tuner_attach(&t
->fe
, t
->i2c
.adapter
, t
->i2c
.addr
, &cfg
);
256 static void set_type(struct i2c_client
*c
, unsigned int type
,
257 unsigned int new_mode_mask
, unsigned int new_config
,
258 int (*tuner_callback
) (void *dev
, int command
,int arg
))
260 struct tuner
*t
= i2c_get_clientdata(c
);
261 struct dvb_tuner_ops
*fe_tuner_ops
= &t
->fe
.ops
.tuner_ops
;
262 struct analog_tuner_ops
*ops
= t
->fe
.ops
.analog_demod_ops
;
263 unsigned char buffer
[4];
265 if (type
== UNSET
|| type
== TUNER_ABSENT
) {
266 tuner_dbg ("tuner 0x%02x: Tuner type absent\n",c
->addr
);
270 if (type
>= tuner_count
) {
271 tuner_warn ("tuner 0x%02x: Tuner count greater than %d\n",c
->addr
,tuner_count
);
276 t
->config
= new_config
;
277 if (tuner_callback
!= NULL
) {
278 tuner_dbg("defining GPIO callback\n");
279 t
->tuner_callback
= tuner_callback
;
282 /* This code detects calls by card attach_inform */
283 if (NULL
== t
->i2c
.dev
.driver
) {
284 tuner_dbg ("tuner 0x%02x: called during i2c_client register by adapter's attach_inform\n", c
->addr
);
289 /* discard private data, in case set_type() was previously called */
290 if (ops
&& ops
->release
)
291 ops
->release(&t
->fe
);
295 microtune_attach(&t
->fe
, t
->i2c
.adapter
, t
->i2c
.addr
);
297 case TUNER_PHILIPS_TDA8290
:
303 if (tea5767_attach(&t
->fe
, t
->i2c
.adapter
, t
->i2c
.addr
) == NULL
) {
304 t
->type
= TUNER_ABSENT
;
305 t
->mode_mask
= T_UNINITIALIZED
;
308 t
->mode_mask
= T_RADIO
;
311 if (tea5761_attach(&t
->fe
, t
->i2c
.adapter
, t
->i2c
.addr
) == NULL
) {
312 t
->type
= TUNER_ABSENT
;
313 t
->mode_mask
= T_UNINITIALIZED
;
316 t
->mode_mask
= T_RADIO
;
318 case TUNER_PHILIPS_FMD1216ME_MK3
:
323 i2c_master_send(c
, buffer
, 4);
327 i2c_master_send(c
, buffer
, 4);
328 attach_simple_tuner(t
);
330 case TUNER_PHILIPS_TD1316
:
335 i2c_master_send(c
,buffer
,4);
336 attach_simple_tuner(t
);
340 int rc
=xc2028_attach(&t
->fe
, t
->i2c
.adapter
, t
->i2c
.addr
,
341 &c
->dev
, c
->adapter
->algo_data
,
344 t
->type
= TUNER_ABSENT
;
345 t
->mode_mask
= T_UNINITIALIZED
;
354 attach_simple_tuner(t
);
358 ops
= t
->fe
.ops
.analog_demod_ops
;
360 if (((NULL
== ops
) ||
361 ((NULL
== ops
->set_tv_freq
) && (NULL
== ops
->set_radio_freq
))) &&
362 (fe_tuner_ops
->set_analog_params
)) {
363 strlcpy(t
->i2c
.name
, fe_tuner_ops
->info
.name
, sizeof(t
->i2c
.name
));
365 t
->fe
.ops
.analog_demod_ops
= &tuner_core_ops
;
366 t
->fe
.analog_demod_priv
= t
;
369 tuner_info("type set to %s\n", t
->i2c
.name
);
371 if (t
->mode_mask
== T_UNINITIALIZED
)
372 t
->mode_mask
= new_mode_mask
;
374 set_freq(c
, (V4L2_TUNER_RADIO
== t
->mode
) ? t
->radio_freq
: t
->tv_freq
);
375 tuner_dbg("%s %s I2C addr 0x%02x with type %d used for 0x%02x\n",
376 c
->adapter
->name
, c
->driver
->driver
.name
, c
->addr
<< 1, type
,
378 tuner_i2c_address_check(t
);
382 * This function apply tuner config to tuner specified
383 * by tun_setup structure. I addr is unset, then admin status
384 * and tun addr status is more precise then current status,
385 * it's applied. Otherwise status and type are applied only to
386 * tuner with exactly the same addr.
389 static void set_addr(struct i2c_client
*c
, struct tuner_setup
*tun_setup
)
391 struct tuner
*t
= i2c_get_clientdata(c
);
393 tuner_dbg("set addr for type %i\n", t
->type
);
395 if ( (t
->type
== UNSET
&& ((tun_setup
->addr
== ADDR_UNSET
) &&
396 (t
->mode_mask
& tun_setup
->mode_mask
))) ||
397 (tun_setup
->addr
== c
->addr
)) {
398 set_type(c
, tun_setup
->type
, tun_setup
->mode_mask
,
399 tun_setup
->config
, tun_setup
->tuner_callback
);
403 static inline int check_mode(struct tuner
*t
, char *cmd
)
405 if ((1 << t
->mode
& t
->mode_mask
) == 0) {
410 case V4L2_TUNER_RADIO
:
411 tuner_dbg("Cmd %s accepted for radio\n", cmd
);
413 case V4L2_TUNER_ANALOG_TV
:
414 tuner_dbg("Cmd %s accepted for analog TV\n", cmd
);
416 case V4L2_TUNER_DIGITAL_TV
:
417 tuner_dbg("Cmd %s accepted for digital TV\n", cmd
);
423 /* get more precise norm info from insmod option */
424 static int tuner_fixup_std(struct tuner
*t
)
426 if ((t
->std
& V4L2_STD_PAL
) == V4L2_STD_PAL
) {
429 tuner_dbg ("insmod fixup: PAL => PAL-60\n");
430 t
->std
= V4L2_STD_PAL_60
;
436 tuner_dbg ("insmod fixup: PAL => PAL-BG\n");
437 t
->std
= V4L2_STD_PAL_BG
;
441 tuner_dbg ("insmod fixup: PAL => PAL-I\n");
442 t
->std
= V4L2_STD_PAL_I
;
448 tuner_dbg ("insmod fixup: PAL => PAL-DK\n");
449 t
->std
= V4L2_STD_PAL_DK
;
453 tuner_dbg ("insmod fixup: PAL => PAL-M\n");
454 t
->std
= V4L2_STD_PAL_M
;
458 if (pal
[1] == 'c' || pal
[1] == 'C') {
459 tuner_dbg("insmod fixup: PAL => PAL-Nc\n");
460 t
->std
= V4L2_STD_PAL_Nc
;
462 tuner_dbg ("insmod fixup: PAL => PAL-N\n");
463 t
->std
= V4L2_STD_PAL_N
;
467 /* default parameter, do nothing */
470 tuner_warn ("pal= argument not recognised\n");
474 if ((t
->std
& V4L2_STD_SECAM
) == V4L2_STD_SECAM
) {
482 tuner_dbg("insmod fixup: SECAM => SECAM-BGH\n");
483 t
->std
= V4L2_STD_SECAM_B
| V4L2_STD_SECAM_G
| V4L2_STD_SECAM_H
;
489 tuner_dbg ("insmod fixup: SECAM => SECAM-DK\n");
490 t
->std
= V4L2_STD_SECAM_DK
;
494 if ((secam
[1]=='C')||(secam
[1]=='c')) {
495 tuner_dbg ("insmod fixup: SECAM => SECAM-L'\n");
496 t
->std
= V4L2_STD_SECAM_LC
;
498 tuner_dbg ("insmod fixup: SECAM => SECAM-L\n");
499 t
->std
= V4L2_STD_SECAM_L
;
503 /* default parameter, do nothing */
506 tuner_warn ("secam= argument not recognised\n");
511 if ((t
->std
& V4L2_STD_NTSC
) == V4L2_STD_NTSC
) {
515 tuner_dbg("insmod fixup: NTSC => NTSC-M\n");
516 t
->std
= V4L2_STD_NTSC_M
;
520 tuner_dbg("insmod fixup: NTSC => NTSC_M_JP\n");
521 t
->std
= V4L2_STD_NTSC_M_JP
;
525 tuner_dbg("insmod fixup: NTSC => NTSC_M_KR\n");
526 t
->std
= V4L2_STD_NTSC_M_KR
;
529 /* default parameter, do nothing */
532 tuner_info("ntsc= argument not recognised\n");
539 static void tuner_status(struct dvb_frontend
*fe
)
541 struct tuner
*t
= fe
->analog_demod_priv
;
542 unsigned long freq
, freq_fraction
;
543 struct dvb_tuner_ops
*fe_tuner_ops
= &t
->fe
.ops
.tuner_ops
;
544 struct analog_tuner_ops
*ops
= t
->fe
.ops
.analog_demod_ops
;
548 case V4L2_TUNER_RADIO
: p
= "radio"; break;
549 case V4L2_TUNER_ANALOG_TV
: p
= "analog TV"; break;
550 case V4L2_TUNER_DIGITAL_TV
: p
= "digital TV"; break;
551 default: p
= "undefined"; break;
553 if (t
->mode
== V4L2_TUNER_RADIO
) {
554 freq
= t
->radio_freq
/ 16000;
555 freq_fraction
= (t
->radio_freq
% 16000) * 100 / 16000;
557 freq
= t
->tv_freq
/ 16;
558 freq_fraction
= (t
->tv_freq
% 16) * 100 / 16;
560 tuner_info("Tuner mode: %s\n", p
);
561 tuner_info("Frequency: %lu.%02lu MHz\n", freq
, freq_fraction
);
562 tuner_info("Standard: 0x%08lx\n", (unsigned long)t
->std
);
563 if (t
->mode
!= V4L2_TUNER_RADIO
)
565 if (fe_tuner_ops
->get_status
) {
568 fe_tuner_ops
->get_status(&t
->fe
, &tuner_status
);
569 if (tuner_status
& TUNER_STATUS_LOCKED
)
570 tuner_info("Tuner is locked.\n");
571 if (tuner_status
& TUNER_STATUS_STEREO
)
572 tuner_info("Stereo: yes\n");
576 tuner_info("Signal strength: %d\n",
577 ops
->has_signal(fe
));
579 tuner_info("Stereo: %s\n",
580 ops
->is_stereo(fe
) ? "yes" : "no");
584 /* ---------------------------------------------------------------------- */
586 /* static vars: used only in tuner_attach and tuner_probe */
587 static unsigned default_mode_mask
;
589 /* During client attach, set_type is called by adapter's attach_inform callback.
590 set_type must then be completed by tuner_attach.
592 static int tuner_attach(struct i2c_adapter
*adap
, int addr
, int kind
)
596 client_template
.adapter
= adap
;
597 client_template
.addr
= addr
;
599 t
= kzalloc(sizeof(struct tuner
), GFP_KERNEL
);
602 memcpy(&t
->i2c
, &client_template
, sizeof(struct i2c_client
));
603 i2c_set_clientdata(&t
->i2c
, t
);
605 t
->audmode
= V4L2_TUNER_MODE_STEREO
;
606 t
->mode_mask
= T_UNINITIALIZED
;
609 unsigned char buffer
[16];
612 memset(buffer
, 0, sizeof(buffer
));
613 rc
= i2c_master_recv(&t
->i2c
, buffer
, sizeof(buffer
));
614 tuner_info("I2C RECV = ");
616 printk("%02x ",buffer
[i
]);
619 /* HACK: This test were added to avoid tuner to probe tda9840 and tea6415c on the MXB card */
620 if (adap
->id
== I2C_HW_SAA7146
&& addr
< 0x4a)
623 /* autodetection code based on the i2c addr */
624 if (!no_autodetect
) {
627 if (tea5761_autodetection(t
->i2c
.adapter
, t
->i2c
.addr
) != EINVAL
) {
628 t
->type
= TUNER_TEA5761
;
629 t
->mode_mask
= T_RADIO
;
631 t
->radio_freq
= 87.5 * 16000; /* Sets freq to FM range */
632 default_mode_mask
&= ~T_RADIO
;
634 goto register_client
;
641 /* If chip is not tda8290, don't register.
642 since it can be tda9887*/
643 if (tda8290_probe(t
) == 0) {
644 tuner_dbg("chip at addr %x is a tda8290\n", addr
);
646 /* Default is being tda9887 */
647 t
->type
= TUNER_TDA9887
;
648 t
->mode_mask
= T_RADIO
| T_ANALOG_TV
| T_DIGITAL_TV
;
650 goto register_client
;
654 if (tea5767_autodetection(t
->i2c
.adapter
, t
->i2c
.addr
) != EINVAL
) {
655 t
->type
= TUNER_TEA5767
;
656 t
->mode_mask
= T_RADIO
;
658 t
->radio_freq
= 87.5 * 16000; /* Sets freq to FM range */
659 default_mode_mask
&= ~T_RADIO
;
661 goto register_client
;
667 /* Initializes only the first adapter found */
668 if (default_mode_mask
!= T_UNINITIALIZED
) {
669 tuner_dbg ("Setting mode_mask to 0x%02x\n", default_mode_mask
);
670 t
->mode_mask
= default_mode_mask
;
671 t
->tv_freq
= 400 * 16; /* Sets freq to VHF High */
672 t
->radio_freq
= 87.5 * 16000; /* Sets freq to FM range */
673 default_mode_mask
= T_UNINITIALIZED
;
676 /* Should be just before return */
678 tuner_info("chip found @ 0x%x (%s)\n", addr
<< 1, adap
->name
);
679 i2c_attach_client (&t
->i2c
);
680 set_type (&t
->i2c
,t
->type
, t
->mode_mask
, t
->config
, t
->tuner_callback
);
684 static int tuner_probe(struct i2c_adapter
*adap
)
687 normal_i2c
[0] = addr
;
688 normal_i2c
[1] = I2C_CLIENT_END
;
691 /* HACK: Ignore 0x6b and 0x6f on cx88 boards.
692 * FusionHDTV5 RT Gold has an ir receiver at 0x6b
693 * and an RTC at 0x6f which can get corrupted if probed.
695 if ((adap
->id
== I2C_HW_B_CX2388x
) ||
696 (adap
->id
== I2C_HW_B_CX23885
)) {
699 while (i
< I2C_CLIENT_MAX_OPTS
&& ignore
[i
] != I2C_CLIENT_END
)
701 if (i
+ 4 < I2C_CLIENT_MAX_OPTS
) {
702 ignore
[i
+0] = adap
->nr
;
704 ignore
[i
+2] = adap
->nr
;
706 ignore
[i
+4] = I2C_CLIENT_END
;
708 printk(KERN_WARNING
"tuner: "
709 "too many options specified "
710 "in i2c probe ignore list!\n");
713 default_mode_mask
= T_RADIO
| T_ANALOG_TV
| T_DIGITAL_TV
;
715 if (adap
->class & I2C_CLASS_TV_ANALOG
)
716 return i2c_probe(adap
, &addr_data
, tuner_attach
);
720 static int tuner_detach(struct i2c_client
*client
)
722 struct tuner
*t
= i2c_get_clientdata(client
);
723 struct analog_tuner_ops
*ops
= t
->fe
.ops
.analog_demod_ops
;
726 err
= i2c_detach_client(&t
->i2c
);
729 ("Client deregistration failed, client not detached.\n");
733 if (ops
&& ops
->release
)
734 ops
->release(&t
->fe
);
741 * Switch tuner to other mode. If tuner support both tv and radio,
742 * set another frequency to some value (This is needed for some pal
743 * tuners to avoid locking). Otherwise, just put second tuner in
747 static inline int set_mode(struct i2c_client
*client
, struct tuner
*t
, int mode
, char *cmd
)
749 struct analog_tuner_ops
*ops
= t
->fe
.ops
.analog_demod_ops
;
756 if (check_mode(t
, cmd
) == EINVAL
) {
758 if (ops
&& ops
->standby
)
759 ops
->standby(&t
->fe
);
765 #define switch_v4l2() if (!t->using_v4l2) \
766 tuner_dbg("switching to v4l2\n"); \
769 static inline int check_v4l2(struct tuner
*t
)
771 /* bttv still uses both v4l1 and v4l2 calls to the tuner (v4l2 for
772 TV, v4l1 for radio), until that is fixed this code is disabled.
773 Otherwise the radio (v4l1) wouldn't tune after using the TV (v4l2)
778 static int tuner_command(struct i2c_client
*client
, unsigned int cmd
, void *arg
)
780 struct tuner
*t
= i2c_get_clientdata(client
);
781 struct dvb_tuner_ops
*fe_tuner_ops
= &t
->fe
.ops
.tuner_ops
;
782 struct analog_tuner_ops
*ops
= t
->fe
.ops
.analog_demod_ops
;
785 v4l_i2c_print_ioctl(&(t
->i2c
),cmd
);
788 /* --- configuration --- */
789 case TUNER_SET_TYPE_ADDR
:
790 tuner_dbg ("Calling set_type_addr for type=%d, addr=0x%02x, mode=0x%02x, config=0x%02x\n",
791 ((struct tuner_setup
*)arg
)->type
,
792 ((struct tuner_setup
*)arg
)->addr
,
793 ((struct tuner_setup
*)arg
)->mode_mask
,
794 ((struct tuner_setup
*)arg
)->config
);
796 set_addr(client
, (struct tuner_setup
*)arg
);
799 if (set_mode(client
, t
, V4L2_TUNER_RADIO
, "AUDC_SET_RADIO")
803 set_freq(client
, t
->radio_freq
);
805 case TUNER_SET_STANDBY
:
806 if (check_mode(t
, "TUNER_SET_STANDBY") == EINVAL
)
809 if (ops
&& ops
->standby
)
810 ops
->standby(&t
->fe
);
812 #ifdef CONFIG_VIDEO_V4L1
814 if (check_mode(t
, "VIDIOCSAUDIO") == EINVAL
)
816 if (check_v4l2(t
) == EINVAL
)
819 /* Should be implemented, since bttv calls it */
820 tuner_dbg("VIDIOCSAUDIO not implemented.\n");
824 static const v4l2_std_id map
[] = {
825 [VIDEO_MODE_PAL
] = V4L2_STD_PAL
,
826 [VIDEO_MODE_NTSC
] = V4L2_STD_NTSC_M
,
827 [VIDEO_MODE_SECAM
] = V4L2_STD_SECAM
,
828 [4 /* bttv */ ] = V4L2_STD_PAL_M
,
829 [5 /* bttv */ ] = V4L2_STD_PAL_N
,
830 [6 /* bttv */ ] = V4L2_STD_NTSC_M_JP
,
832 struct video_channel
*vc
= arg
;
834 if (check_v4l2(t
) == EINVAL
)
837 if (set_mode(client
,t
,V4L2_TUNER_ANALOG_TV
, "VIDIOCSCHAN")==EINVAL
)
840 if (vc
->norm
< ARRAY_SIZE(map
))
841 t
->std
= map
[vc
->norm
];
844 set_tv_freq(client
, t
->tv_freq
);
849 unsigned long *v
= arg
;
851 if (check_mode(t
, "VIDIOCSFREQ") == EINVAL
)
853 if (check_v4l2(t
) == EINVAL
)
856 set_freq(client
, *v
);
861 struct video_tuner
*vt
= arg
;
863 if (check_mode(t
, "VIDIOCGTUNER") == EINVAL
)
865 if (check_v4l2(t
) == EINVAL
)
868 if (V4L2_TUNER_RADIO
== t
->mode
) {
869 if (fe_tuner_ops
->get_status
) {
872 fe_tuner_ops
->get_status(&t
->fe
, &tuner_status
);
873 if (tuner_status
& TUNER_STATUS_STEREO
)
874 vt
->flags
|= VIDEO_TUNER_STEREO_ON
;
876 vt
->flags
&= ~VIDEO_TUNER_STEREO_ON
;
878 if (ops
&& ops
->is_stereo
) {
879 if (ops
->is_stereo(&t
->fe
))
881 VIDEO_TUNER_STEREO_ON
;
884 ~VIDEO_TUNER_STEREO_ON
;
887 if (ops
&& ops
->has_signal
)
888 vt
->signal
= ops
->has_signal(&t
->fe
);
890 vt
->flags
|= VIDEO_TUNER_LOW
; /* Allow freqs at 62.5 Hz */
892 vt
->rangelow
= radio_range
[0] * 16000;
893 vt
->rangehigh
= radio_range
[1] * 16000;
896 vt
->rangelow
= tv_range
[0] * 16;
897 vt
->rangehigh
= tv_range
[1] * 16;
904 struct video_audio
*va
= arg
;
906 if (check_mode(t
, "VIDIOCGAUDIO") == EINVAL
)
908 if (check_v4l2(t
) == EINVAL
)
911 if (V4L2_TUNER_RADIO
== t
->mode
) {
912 if (fe_tuner_ops
->get_status
) {
915 fe_tuner_ops
->get_status(&t
->fe
, &tuner_status
);
916 va
->mode
= (tuner_status
& TUNER_STATUS_STEREO
)
917 ? VIDEO_SOUND_STEREO
: VIDEO_SOUND_MONO
;
918 } else if (ops
&& ops
->is_stereo
)
919 va
->mode
= ops
->is_stereo(&t
->fe
)
920 ? VIDEO_SOUND_STEREO
: VIDEO_SOUND_MONO
;
925 case TUNER_SET_CONFIG
:
927 struct dvb_tuner_ops
*fe_tuner_ops
= &t
->fe
.ops
.tuner_ops
;
928 struct v4l2_priv_tun_config
*cfg
= arg
;
930 if (t
->type
!= cfg
->tuner
)
933 if (t
->type
== TUNER_TDA9887
) {
934 t
->tda9887_config
= *(unsigned int *)cfg
->priv
;
935 set_freq(client
, t
->tv_freq
);
939 if (NULL
== fe_tuner_ops
->set_config
) {
940 tuner_warn("Tuner frontend module has no way to "
944 fe_tuner_ops
->set_config(&t
->fe
, cfg
->priv
);
948 /* --- v4l ioctls --- */
949 /* take care: bttv does userspace copying, we'll get a
950 kernel pointer here... */
953 v4l2_std_id
*id
= arg
;
955 if (set_mode (client
, t
, V4L2_TUNER_ANALOG_TV
, "VIDIOC_S_STD")
964 set_freq(client
, t
->tv_freq
);
967 case VIDIOC_S_FREQUENCY
:
969 struct v4l2_frequency
*f
= arg
;
971 if (set_mode (client
, t
, f
->type
, "VIDIOC_S_FREQUENCY")
975 set_freq(client
,f
->frequency
);
979 case VIDIOC_G_FREQUENCY
:
981 struct v4l2_frequency
*f
= arg
;
983 if (check_mode(t
, "VIDIOC_G_FREQUENCY") == EINVAL
)
987 if (fe_tuner_ops
->get_frequency
) {
990 fe_tuner_ops
->get_frequency(&t
->fe
, &abs_freq
);
991 f
->frequency
= (V4L2_TUNER_RADIO
== t
->mode
) ?
992 (abs_freq
* 2 + 125/2) / 125 :
993 (abs_freq
+ 62500/2) / 62500;
996 f
->frequency
= (V4L2_TUNER_RADIO
== t
->mode
) ?
997 t
->radio_freq
: t
->tv_freq
;
1000 case VIDIOC_G_TUNER
:
1002 struct v4l2_tuner
*tuner
= arg
;
1004 if (check_mode(t
, "VIDIOC_G_TUNER") == EINVAL
)
1008 tuner
->type
= t
->mode
;
1009 if (ops
&& ops
->get_afc
)
1010 tuner
->afc
= ops
->get_afc(&t
->fe
);
1011 if (t
->mode
== V4L2_TUNER_ANALOG_TV
)
1012 tuner
->capability
|= V4L2_TUNER_CAP_NORM
;
1013 if (t
->mode
!= V4L2_TUNER_RADIO
) {
1014 tuner
->rangelow
= tv_range
[0] * 16;
1015 tuner
->rangehigh
= tv_range
[1] * 16;
1021 V4L2_TUNER_SUB_MONO
| V4L2_TUNER_SUB_STEREO
;
1022 if (fe_tuner_ops
->get_status
) {
1025 fe_tuner_ops
->get_status(&t
->fe
, &tuner_status
);
1027 (tuner_status
& TUNER_STATUS_STEREO
) ?
1028 V4L2_TUNER_SUB_STEREO
:
1029 V4L2_TUNER_SUB_MONO
;
1031 if (ops
&& ops
->is_stereo
) {
1033 ops
->is_stereo(&t
->fe
) ?
1034 V4L2_TUNER_SUB_STEREO
:
1035 V4L2_TUNER_SUB_MONO
;
1038 if (ops
&& ops
->has_signal
)
1039 tuner
->signal
= ops
->has_signal(&t
->fe
);
1040 tuner
->capability
|=
1041 V4L2_TUNER_CAP_LOW
| V4L2_TUNER_CAP_STEREO
;
1042 tuner
->audmode
= t
->audmode
;
1043 tuner
->rangelow
= radio_range
[0] * 16000;
1044 tuner
->rangehigh
= radio_range
[1] * 16000;
1047 case VIDIOC_S_TUNER
:
1049 struct v4l2_tuner
*tuner
= arg
;
1051 if (check_mode(t
, "VIDIOC_S_TUNER") == EINVAL
)
1056 /* do nothing unless we're a radio tuner */
1057 if (t
->mode
!= V4L2_TUNER_RADIO
)
1059 t
->audmode
= tuner
->audmode
;
1060 set_radio_freq(client
, t
->radio_freq
);
1063 case VIDIOC_LOG_STATUS
:
1064 if (ops
&& ops
->tuner_status
)
1065 ops
->tuner_status(&t
->fe
);
1072 static int tuner_suspend(struct i2c_client
*c
, pm_message_t state
)
1074 struct tuner
*t
= i2c_get_clientdata (c
);
1076 tuner_dbg ("suspend\n");
1077 /* FIXME: power down ??? */
1081 static int tuner_resume(struct i2c_client
*c
)
1083 struct tuner
*t
= i2c_get_clientdata (c
);
1085 tuner_dbg ("resume\n");
1086 if (V4L2_TUNER_RADIO
== t
->mode
) {
1088 set_freq(c
, t
->radio_freq
);
1091 set_freq(c
, t
->tv_freq
);
1096 /* ----------------------------------------------------------------------- */
1098 static struct i2c_driver driver
= {
1099 .id
= I2C_DRIVERID_TUNER
,
1100 .attach_adapter
= tuner_probe
,
1101 .detach_client
= tuner_detach
,
1102 .command
= tuner_command
,
1103 .suspend
= tuner_suspend
,
1104 .resume
= tuner_resume
,
1109 static struct i2c_client client_template
= {
1110 .name
= "(tuner unset)",
1114 static int __init
tuner_init_module(void)
1116 return i2c_add_driver(&driver
);
1119 static void __exit
tuner_cleanup_module(void)
1121 i2c_del_driver(&driver
);
1124 module_init(tuner_init_module
);
1125 module_exit(tuner_cleanup_module
);
1128 * Overrides for Emacs so that we follow Linus's tabbing style.
1129 * ---------------------------------------------------------------------------