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"
32 /* standard i2c insmod options */
33 static unsigned short normal_i2c[] = {
34 #if defined(CONFIG_TUNER_TEA5761) || (defined(CONFIG_TUNER_TEA5761_MODULE) && defined(MODULE))
37 0x42, 0x43, 0x4a, 0x4b, /* tda8290 */
38 0x60, 0x61, 0x62, 0x63, 0x64, 0x65, 0x66, 0x67,
39 0x68, 0x69, 0x6a, 0x6b, 0x6c, 0x6d, 0x6e, 0x6f,
45 /* insmod options used at init time => read/only */
46 static unsigned int addr = 0;
47 static unsigned int no_autodetect = 0;
48 static unsigned int show_i2c = 0;
50 /* insmod options used at runtime => read/write */
53 static unsigned int tv_range[2] = { 44, 958 };
54 static unsigned int radio_range[2] = { 65, 108 };
56 static char pal[] = "--";
57 static char secam[] = "--";
58 static char ntsc[] = "-";
61 module_param(addr, int, 0444);
62 module_param(no_autodetect, int, 0444);
63 module_param(show_i2c, int, 0444);
64 module_param_named(debug,tuner_debug, int, 0644);
65 module_param_string(pal, pal, sizeof(pal), 0644);
66 module_param_string(secam, secam, sizeof(secam), 0644);
67 module_param_string(ntsc, ntsc, sizeof(ntsc), 0644);
68 module_param_array(tv_range, int, NULL, 0644);
69 module_param_array(radio_range, int, NULL, 0644);
71 MODULE_DESCRIPTION("device driver for various TV and TV+FM radio tuners");
72 MODULE_AUTHOR("Ralph Metzler, Gerd Knorr, Gunther Mayer");
73 MODULE_LICENSE("GPL");
75 static struct i2c_driver driver;
76 static struct i2c_client client_template;
78 /* ---------------------------------------------------------------------- */
80 static void fe_set_freq(struct tuner *t, unsigned int freq)
82 struct dvb_tuner_ops *fe_tuner_ops = &t->fe.ops.tuner_ops;
84 struct analog_parameters params = {
87 .audmode = t->audmode,
91 if (NULL == fe_tuner_ops->set_analog_params) {
92 tuner_warn("Tuner frontend module has no way to set freq\n");
95 fe_tuner_ops->set_analog_params(&t->fe, ¶ms);
98 static void fe_release(struct tuner *t)
100 struct dvb_tuner_ops *fe_tuner_ops = &t->fe.ops.tuner_ops;
102 if (fe_tuner_ops->release)
103 fe_tuner_ops->release(&t->fe);
106 static void fe_standby(struct tuner *t)
108 struct dvb_tuner_ops *fe_tuner_ops = &t->fe.ops.tuner_ops;
110 if (fe_tuner_ops->sleep)
111 fe_tuner_ops->sleep(&t->fe);
114 static int fe_has_signal(struct tuner *t)
116 struct dvb_tuner_ops *fe_tuner_ops = &t->fe.ops.tuner_ops;
119 if (fe_tuner_ops->get_rf_strength)
120 fe_tuner_ops->get_rf_strength(&t->fe, &strength);
125 static void tuner_status(struct tuner *t);
127 static struct analog_tuner_ops tuner_core_ops = {
128 .set_tv_freq = fe_set_freq,
129 .set_radio_freq = fe_set_freq,
130 .standby = fe_standby,
131 .release = fe_release,
132 .has_signal = fe_has_signal,
133 .tuner_status = tuner_status
136 /* Set tuner frequency, freq in Units of 62.5kHz = 1/16MHz */
137 static void set_tv_freq(struct i2c_client *c, unsigned int freq)
139 struct tuner *t = i2c_get_clientdata(c);
140 struct analog_tuner_ops *ops = t->fe.ops.analog_demod_ops;
142 if (t->type == UNSET) {
143 tuner_warn ("tuner type not set\n");
146 if ((NULL == ops) || (NULL == ops->set_tv_freq)) {
147 tuner_warn ("Tuner has no way to set tv freq\n");
150 if (freq < tv_range[0] * 16 || freq > tv_range[1] * 16) {
151 tuner_dbg ("TV freq (%d.%02d) out of range (%d-%d)\n",
152 freq / 16, freq % 16 * 100 / 16, tv_range[0],
154 /* V4L2 spec: if the freq is not possible then the closest
155 possible value should be selected */
156 if (freq < tv_range[0] * 16)
157 freq = tv_range[0] * 16;
159 freq = tv_range[1] * 16;
161 ops->set_tv_freq(t, freq);
164 static void set_radio_freq(struct i2c_client *c, unsigned int freq)
166 struct tuner *t = i2c_get_clientdata(c);
167 struct analog_tuner_ops *ops = t->fe.ops.analog_demod_ops;
169 if (t->type == UNSET) {
170 tuner_warn ("tuner type not set\n");
173 if ((NULL == ops) || (NULL == ops->set_radio_freq)) {
174 tuner_warn ("tuner has no way to set radio frequency\n");
177 if (freq < radio_range[0] * 16000 || freq > radio_range[1] * 16000) {
178 tuner_dbg ("radio freq (%d.%02d) out of range (%d-%d)\n",
179 freq / 16000, freq % 16000 * 100 / 16000,
180 radio_range[0], radio_range[1]);
181 /* V4L2 spec: if the freq is not possible then the closest
182 possible value should be selected */
183 if (freq < radio_range[0] * 16000)
184 freq = radio_range[0] * 16000;
186 freq = radio_range[1] * 16000;
189 ops->set_radio_freq(t, freq);
192 static void set_freq(struct i2c_client *c, unsigned long freq)
194 struct tuner *t = i2c_get_clientdata(c);
197 case V4L2_TUNER_RADIO:
198 tuner_dbg("radio freq set to %lu.%02lu\n",
199 freq / 16000, freq % 16000 * 100 / 16000);
200 set_radio_freq(c, freq);
201 t->radio_freq = freq;
203 case V4L2_TUNER_ANALOG_TV:
204 case V4L2_TUNER_DIGITAL_TV:
205 tuner_dbg("tv freq set to %lu.%02lu\n",
206 freq / 16, freq % 16 * 100 / 16);
207 set_tv_freq(c, freq);
211 tuner_dbg("freq set: unknown mode: 0x%04x!\n",t->mode);
215 static void tuner_i2c_address_check(struct tuner *t)
217 if ((t->type == UNSET || t->type == TUNER_ABSENT) ||
218 ((t->i2c.addr < 0x64) || (t->i2c.addr > 0x6f)))
221 tuner_warn("====================== WARNING! ======================\n");
222 tuner_warn("Support for tuners in i2c address range 0x64 thru 0x6f\n");
223 tuner_warn("will soon be dropped. This message indicates that your\n");
224 tuner_warn("hardware has a %s tuner at i2c address 0x%02x.\n",
225 t->i2c.name, t->i2c.addr);
226 tuner_warn("To ensure continued support for your device, please\n");
227 tuner_warn("send a copy of this message, along with full dmesg\n");
228 tuner_warn("output to v4l-dvb-maintainer@linuxtv.org\n");
229 tuner_warn("Please use subject line: \"obsolete tuner i2c address.\"\n");
230 tuner_warn("driver: %s, addr: 0x%02x, type: %d (%s)\n",
231 t->i2c.adapter->name, t->i2c.addr, t->type,
232 tuners[t->type].name);
233 tuner_warn("====================== WARNING! ======================\n");
236 static void attach_simple_tuner(struct tuner *t)
238 struct simple_tuner_config cfg = {
240 .tun = &tuners[t->type]
242 simple_tuner_attach(&t->fe, t->i2c.adapter, t->i2c.addr, &cfg);
245 static void set_type(struct i2c_client *c, unsigned int type,
246 unsigned int new_mode_mask, unsigned int new_config,
247 int (*tuner_callback) (void *dev, int command,int arg))
249 struct tuner *t = i2c_get_clientdata(c);
250 struct dvb_tuner_ops *fe_tuner_ops = &t->fe.ops.tuner_ops;
251 struct analog_tuner_ops *ops = t->fe.ops.analog_demod_ops;
252 unsigned char buffer[4];
254 if (type == UNSET || type == TUNER_ABSENT) {
255 tuner_dbg ("tuner 0x%02x: Tuner type absent\n",c->addr);
259 if (type >= tuner_count) {
260 tuner_warn ("tuner 0x%02x: Tuner count greater than %d\n",c->addr,tuner_count);
265 t->config = new_config;
266 if (tuner_callback != NULL) {
267 tuner_dbg("defining GPIO callback\n");
268 t->tuner_callback = tuner_callback;
271 /* This code detects calls by card attach_inform */
272 if (NULL == t->i2c.dev.driver) {
273 tuner_dbg ("tuner 0x%02x: called during i2c_client register by adapter's attach_inform\n", c->addr);
278 /* discard private data, in case set_type() was previously called */
279 if ((ops) && (ops->release))
288 microtune_attach(&t->fe, t->i2c.adapter, t->i2c.addr);
290 case TUNER_PHILIPS_TDA8290:
295 case TUNER_PHILIPS_TDA8295:
301 if (tea5767_attach(&t->fe, t->i2c.adapter, t->i2c.addr) == NULL) {
302 t->type = TUNER_ABSENT;
303 t->mode_mask = T_UNINITIALIZED;
306 t->mode_mask = T_RADIO;
309 if (tea5761_attach(&t->fe, t->i2c.adapter, t->i2c.addr) == NULL) {
310 t->type = TUNER_ABSENT;
311 t->mode_mask = T_UNINITIALIZED;
314 t->mode_mask = T_RADIO;
316 case TUNER_PHILIPS_FMD1216ME_MK3:
321 i2c_master_send(c, buffer, 4);
325 i2c_master_send(c, buffer, 4);
326 attach_simple_tuner(t);
328 case TUNER_PHILIPS_TD1316:
333 i2c_master_send(c,buffer,4);
334 attach_simple_tuner(t);
338 int rc=xc2028_attach(&t->fe, t->i2c.adapter, t->i2c.addr,
339 &c->dev, c->adapter->algo_data,
342 t->type = TUNER_ABSENT;
343 t->mode_mask = T_UNINITIALIZED;
349 tda9887_tuner_init(t);
352 attach_simple_tuner(t);
356 if (((NULL == ops) ||
357 ((NULL == ops->set_tv_freq) && (NULL == ops->set_radio_freq))) &&
358 (fe_tuner_ops->set_analog_params)) {
359 strlcpy(t->i2c.name, fe_tuner_ops->info.name, sizeof(t->i2c.name));
361 t->fe.ops.analog_demod_ops = &tuner_core_ops;
364 tuner_info("type set to %s\n", t->i2c.name);
366 if (t->mode_mask == T_UNINITIALIZED)
367 t->mode_mask = new_mode_mask;
369 set_freq(c, (V4L2_TUNER_RADIO == t->mode) ? t->radio_freq : t->tv_freq);
370 tuner_dbg("%s %s I2C addr 0x%02x with type %d used for 0x%02x\n",
371 c->adapter->name, c->driver->driver.name, c->addr << 1, type,
373 tuner_i2c_address_check(t);
377 * This function apply tuner config to tuner specified
378 * by tun_setup structure. I addr is unset, then admin status
379 * and tun addr status is more precise then current status,
380 * it's applied. Otherwise status and type are applied only to
381 * tuner with exactly the same addr.
384 static void set_addr(struct i2c_client *c, struct tuner_setup *tun_setup)
386 struct tuner *t = i2c_get_clientdata(c);
388 tuner_dbg("set addr for type %i\n", t->type);
390 if ( (t->type == UNSET && ((tun_setup->addr == ADDR_UNSET) &&
391 (t->mode_mask & tun_setup->mode_mask))) ||
392 (tun_setup->addr == c->addr)) {
393 set_type(c, tun_setup->type, tun_setup->mode_mask,
394 tun_setup->config, tun_setup->tuner_callback);
398 static inline int check_mode(struct tuner *t, char *cmd)
400 if ((1 << t->mode & t->mode_mask) == 0) {
405 case V4L2_TUNER_RADIO:
406 tuner_dbg("Cmd %s accepted for radio\n", cmd);
408 case V4L2_TUNER_ANALOG_TV:
409 tuner_dbg("Cmd %s accepted for analog TV\n", cmd);
411 case V4L2_TUNER_DIGITAL_TV:
412 tuner_dbg("Cmd %s accepted for digital TV\n", cmd);
418 /* get more precise norm info from insmod option */
419 static int tuner_fixup_std(struct tuner *t)
421 if ((t->std & V4L2_STD_PAL) == V4L2_STD_PAL) {
424 tuner_dbg ("insmod fixup: PAL => PAL-60\n");
425 t->std = V4L2_STD_PAL_60;
431 tuner_dbg ("insmod fixup: PAL => PAL-BG\n");
432 t->std = V4L2_STD_PAL_BG;
436 tuner_dbg ("insmod fixup: PAL => PAL-I\n");
437 t->std = V4L2_STD_PAL_I;
443 tuner_dbg ("insmod fixup: PAL => PAL-DK\n");
444 t->std = V4L2_STD_PAL_DK;
448 tuner_dbg ("insmod fixup: PAL => PAL-M\n");
449 t->std = V4L2_STD_PAL_M;
453 if (pal[1] == 'c' || pal[1] == 'C') {
454 tuner_dbg("insmod fixup: PAL => PAL-Nc\n");
455 t->std = V4L2_STD_PAL_Nc;
457 tuner_dbg ("insmod fixup: PAL => PAL-N\n");
458 t->std = V4L2_STD_PAL_N;
462 /* default parameter, do nothing */
465 tuner_warn ("pal= argument not recognised\n");
469 if ((t->std & V4L2_STD_SECAM) == V4L2_STD_SECAM) {
477 tuner_dbg("insmod fixup: SECAM => SECAM-BGH\n");
478 t->std = V4L2_STD_SECAM_B | V4L2_STD_SECAM_G | V4L2_STD_SECAM_H;
484 tuner_dbg ("insmod fixup: SECAM => SECAM-DK\n");
485 t->std = V4L2_STD_SECAM_DK;
489 if ((secam[1]=='C')||(secam[1]=='c')) {
490 tuner_dbg ("insmod fixup: SECAM => SECAM-L'\n");
491 t->std = V4L2_STD_SECAM_LC;
493 tuner_dbg ("insmod fixup: SECAM => SECAM-L\n");
494 t->std = V4L2_STD_SECAM_L;
498 /* default parameter, do nothing */
501 tuner_warn ("secam= argument not recognised\n");
506 if ((t->std & V4L2_STD_NTSC) == V4L2_STD_NTSC) {
510 tuner_dbg("insmod fixup: NTSC => NTSC-M\n");
511 t->std = V4L2_STD_NTSC_M;
515 tuner_dbg("insmod fixup: NTSC => NTSC_M_JP\n");
516 t->std = V4L2_STD_NTSC_M_JP;
520 tuner_dbg("insmod fixup: NTSC => NTSC_M_KR\n");
521 t->std = V4L2_STD_NTSC_M_KR;
524 /* default parameter, do nothing */
527 tuner_info("ntsc= argument not recognised\n");
534 static void tuner_status(struct tuner *t)
536 unsigned long freq, freq_fraction;
537 struct dvb_tuner_ops *fe_tuner_ops = &t->fe.ops.tuner_ops;
538 struct analog_tuner_ops *ops = t->fe.ops.analog_demod_ops;
542 case V4L2_TUNER_RADIO: p = "radio"; break;
543 case V4L2_TUNER_ANALOG_TV: p = "analog TV"; break;
544 case V4L2_TUNER_DIGITAL_TV: p = "digital TV"; break;
545 default: p = "undefined"; break;
547 if (t->mode == V4L2_TUNER_RADIO) {
548 freq = t->radio_freq / 16000;
549 freq_fraction = (t->radio_freq % 16000) * 100 / 16000;
551 freq = t->tv_freq / 16;
552 freq_fraction = (t->tv_freq % 16) * 100 / 16;
554 tuner_info("Tuner mode: %s\n", p);
555 tuner_info("Frequency: %lu.%02lu MHz\n", freq, freq_fraction);
556 tuner_info("Standard: 0x%08lx\n", (unsigned long)t->std);
557 if (t->mode != V4L2_TUNER_RADIO)
559 if (fe_tuner_ops->get_status) {
562 fe_tuner_ops->get_status(&t->fe, &tuner_status);
563 if (tuner_status & TUNER_STATUS_LOCKED)
564 tuner_info("Tuner is locked.\n");
565 if (tuner_status & TUNER_STATUS_STEREO)
566 tuner_info("Stereo: yes\n");
568 if ((ops) && (ops->has_signal)) {
569 tuner_info("Signal strength: %d\n", ops->has_signal(t));
571 if ((ops) && (ops->is_stereo)) {
572 tuner_info("Stereo: %s\n", ops->is_stereo(t) ? "yes" : "no");
576 /* ---------------------------------------------------------------------- */
578 /* static vars: used only in tuner_attach and tuner_probe */
579 static unsigned default_mode_mask;
581 /* During client attach, set_type is called by adapter's attach_inform callback.
582 set_type must then be completed by tuner_attach.
584 static int tuner_attach(struct i2c_adapter *adap, int addr, int kind)
588 client_template.adapter = adap;
589 client_template.addr = addr;
591 t = kzalloc(sizeof(struct tuner), GFP_KERNEL);
594 memcpy(&t->i2c, &client_template, sizeof(struct i2c_client));
595 i2c_set_clientdata(&t->i2c, t);
597 t->audmode = V4L2_TUNER_MODE_STEREO;
598 t->mode_mask = T_UNINITIALIZED;
601 unsigned char buffer[16];
604 memset(buffer, 0, sizeof(buffer));
605 rc = i2c_master_recv(&t->i2c, buffer, sizeof(buffer));
606 tuner_info("I2C RECV = ");
608 printk("%02x ",buffer[i]);
611 /* HACK: This test were added to avoid tuner to probe tda9840 and tea6415c on the MXB card */
612 if (adap->id == I2C_HW_SAA7146 && addr < 0x4a)
615 /* autodetection code based on the i2c addr */
616 if (!no_autodetect) {
619 if (tea5761_autodetection(t->i2c.adapter, t->i2c.addr) != EINVAL) {
620 t->type = TUNER_TEA5761;
621 t->mode_mask = T_RADIO;
623 t->radio_freq = 87.5 * 16000; /* Sets freq to FM range */
624 default_mode_mask &= ~T_RADIO;
626 goto register_client;
633 /* If chip is not tda8290, don't register.
634 since it can be tda9887*/
635 if (tda8290_probe(t) == 0) {
636 tuner_dbg("chip at addr %x is a tda8290\n", addr);
638 /* Default is being tda9887 */
639 t->type = TUNER_TDA9887;
640 t->mode_mask = T_RADIO | T_ANALOG_TV | T_DIGITAL_TV;
642 goto register_client;
646 if (tea5767_autodetection(t->i2c.adapter, t->i2c.addr) != EINVAL) {
647 t->type = TUNER_TEA5767;
648 t->mode_mask = T_RADIO;
650 t->radio_freq = 87.5 * 16000; /* Sets freq to FM range */
651 default_mode_mask &= ~T_RADIO;
653 goto register_client;
659 /* Initializes only the first adapter found */
660 if (default_mode_mask != T_UNINITIALIZED) {
661 tuner_dbg ("Setting mode_mask to 0x%02x\n", default_mode_mask);
662 t->mode_mask = default_mode_mask;
663 t->tv_freq = 400 * 16; /* Sets freq to VHF High */
664 t->radio_freq = 87.5 * 16000; /* Sets freq to FM range */
665 default_mode_mask = T_UNINITIALIZED;
668 /* Should be just before return */
670 tuner_info("chip found @ 0x%x (%s)\n", addr << 1, adap->name);
671 i2c_attach_client (&t->i2c);
672 set_type (&t->i2c,t->type, t->mode_mask, t->config, t->tuner_callback);
676 static int tuner_probe(struct i2c_adapter *adap)
679 normal_i2c[0] = addr;
680 normal_i2c[1] = I2C_CLIENT_END;
683 /* HACK: Ignore 0x6b and 0x6f on cx88 boards.
684 * FusionHDTV5 RT Gold has an ir receiver at 0x6b
685 * and an RTC at 0x6f which can get corrupted if probed.
687 if ((adap->id == I2C_HW_B_CX2388x) ||
688 (adap->id == I2C_HW_B_CX23885)) {
691 while (i < I2C_CLIENT_MAX_OPTS && ignore[i] != I2C_CLIENT_END)
693 if (i + 4 < I2C_CLIENT_MAX_OPTS) {
694 ignore[i+0] = adap->nr;
696 ignore[i+2] = adap->nr;
698 ignore[i+4] = I2C_CLIENT_END;
700 printk(KERN_WARNING "tuner: "
701 "too many options specified "
702 "in i2c probe ignore list!\n");
705 default_mode_mask = T_RADIO | T_ANALOG_TV | T_DIGITAL_TV;
707 if (adap->class & I2C_CLASS_TV_ANALOG)
708 return i2c_probe(adap, &addr_data, tuner_attach);
712 static int tuner_detach(struct i2c_client *client)
714 struct tuner *t = i2c_get_clientdata(client);
715 struct analog_tuner_ops *ops = t->fe.ops.analog_demod_ops;
718 err = i2c_detach_client(&t->i2c);
721 ("Client deregistration failed, client not detached.\n");
725 if ((ops) && (ops->release))
735 * Switch tuner to other mode. If tuner support both tv and radio,
736 * set another frequency to some value (This is needed for some pal
737 * tuners to avoid locking). Otherwise, just put second tuner in
741 static inline int set_mode(struct i2c_client *client, struct tuner *t, int mode, char *cmd)
743 struct analog_tuner_ops *ops = t->fe.ops.analog_demod_ops;
750 if (check_mode(t, cmd) == EINVAL) {
752 if ((ops) && (ops->standby))
759 #define switch_v4l2() if (!t->using_v4l2) \
760 tuner_dbg("switching to v4l2\n"); \
763 static inline int check_v4l2(struct tuner *t)
765 /* bttv still uses both v4l1 and v4l2 calls to the tuner (v4l2 for
766 TV, v4l1 for radio), until that is fixed this code is disabled.
767 Otherwise the radio (v4l1) wouldn't tune after using the TV (v4l2)
772 static int tuner_command(struct i2c_client *client, unsigned int cmd, void *arg)
774 struct tuner *t = i2c_get_clientdata(client);
775 struct dvb_tuner_ops *fe_tuner_ops = &t->fe.ops.tuner_ops;
776 struct analog_tuner_ops *ops = t->fe.ops.analog_demod_ops;
779 v4l_i2c_print_ioctl(&(t->i2c),cmd);
782 /* --- configuration --- */
783 case TUNER_SET_TYPE_ADDR:
784 tuner_dbg ("Calling set_type_addr for type=%d, addr=0x%02x, mode=0x%02x, config=0x%02x\n",
785 ((struct tuner_setup *)arg)->type,
786 ((struct tuner_setup *)arg)->addr,
787 ((struct tuner_setup *)arg)->mode_mask,
788 ((struct tuner_setup *)arg)->config);
790 set_addr(client, (struct tuner_setup *)arg);
793 if (set_mode(client, t, V4L2_TUNER_RADIO, "AUDC_SET_RADIO")
797 set_freq(client, t->radio_freq);
799 case TUNER_SET_STANDBY:
800 if (check_mode(t, "TUNER_SET_STANDBY") == EINVAL)
803 if ((ops) && (ops->standby))
806 #ifdef CONFIG_VIDEO_V4L1
808 if (check_mode(t, "VIDIOCSAUDIO") == EINVAL)
810 if (check_v4l2(t) == EINVAL)
813 /* Should be implemented, since bttv calls it */
814 tuner_dbg("VIDIOCSAUDIO not implemented.\n");
818 static const v4l2_std_id map[] = {
819 [VIDEO_MODE_PAL] = V4L2_STD_PAL,
820 [VIDEO_MODE_NTSC] = V4L2_STD_NTSC_M,
821 [VIDEO_MODE_SECAM] = V4L2_STD_SECAM,
822 [4 /* bttv */ ] = V4L2_STD_PAL_M,
823 [5 /* bttv */ ] = V4L2_STD_PAL_N,
824 [6 /* bttv */ ] = V4L2_STD_NTSC_M_JP,
826 struct video_channel *vc = arg;
828 if (check_v4l2(t) == EINVAL)
831 if (set_mode(client,t,V4L2_TUNER_ANALOG_TV, "VIDIOCSCHAN")==EINVAL)
834 if (vc->norm < ARRAY_SIZE(map))
835 t->std = map[vc->norm];
838 set_tv_freq(client, t->tv_freq);
843 unsigned long *v = arg;
845 if (check_mode(t, "VIDIOCSFREQ") == EINVAL)
847 if (check_v4l2(t) == EINVAL)
850 set_freq(client, *v);
855 struct video_tuner *vt = arg;
857 if (check_mode(t, "VIDIOCGTUNER") == EINVAL)
859 if (check_v4l2(t) == EINVAL)
862 if (V4L2_TUNER_RADIO == t->mode) {
863 if (fe_tuner_ops->get_status) {
866 fe_tuner_ops->get_status(&t->fe, &tuner_status);
867 if (tuner_status & TUNER_STATUS_STEREO)
868 vt->flags |= VIDEO_TUNER_STEREO_ON;
870 vt->flags &= ~VIDEO_TUNER_STEREO_ON;
872 if ((ops) && (ops->is_stereo)) {
873 if (ops->is_stereo(t))
875 VIDEO_TUNER_STEREO_ON;
878 ~VIDEO_TUNER_STEREO_ON;
881 if ((ops) && (ops->has_signal))
882 vt->signal = ops->has_signal(t);
884 vt->flags |= VIDEO_TUNER_LOW; /* Allow freqs at 62.5 Hz */
886 vt->rangelow = radio_range[0] * 16000;
887 vt->rangehigh = radio_range[1] * 16000;
890 vt->rangelow = tv_range[0] * 16;
891 vt->rangehigh = tv_range[1] * 16;
898 struct video_audio *va = arg;
900 if (check_mode(t, "VIDIOCGAUDIO") == EINVAL)
902 if (check_v4l2(t) == EINVAL)
905 if (V4L2_TUNER_RADIO == t->mode) {
906 if (fe_tuner_ops->get_status) {
909 fe_tuner_ops->get_status(&t->fe, &tuner_status);
910 va->mode = (tuner_status & TUNER_STATUS_STEREO)
911 ? VIDEO_SOUND_STEREO : VIDEO_SOUND_MONO;
912 } else if ((ops) && (ops->is_stereo))
913 va->mode = ops->is_stereo(t)
914 ? VIDEO_SOUND_STEREO : VIDEO_SOUND_MONO;
919 case TUNER_SET_CONFIG:
921 struct dvb_tuner_ops *fe_tuner_ops = &t->fe.ops.tuner_ops;
922 struct v4l2_priv_tun_config *cfg = arg;
924 if (t->type != cfg->tuner)
927 if (t->type == TUNER_TDA9887) {
928 t->tda9887_config = *(unsigned int *)cfg->priv;
929 set_freq(client, t->tv_freq);
933 if (NULL == fe_tuner_ops->set_config) {
934 tuner_warn("Tuner frontend module has no way to "
938 fe_tuner_ops->set_config(&t->fe, cfg->priv);
942 /* --- v4l ioctls --- */
943 /* take care: bttv does userspace copying, we'll get a
944 kernel pointer here... */
947 v4l2_std_id *id = arg;
949 if (set_mode (client, t, V4L2_TUNER_ANALOG_TV, "VIDIOC_S_STD")
958 set_freq(client, t->tv_freq);
961 case VIDIOC_S_FREQUENCY:
963 struct v4l2_frequency *f = arg;
965 if (set_mode (client, t, f->type, "VIDIOC_S_FREQUENCY")
969 set_freq(client,f->frequency);
973 case VIDIOC_G_FREQUENCY:
975 struct v4l2_frequency *f = arg;
977 if (check_mode(t, "VIDIOC_G_FREQUENCY") == EINVAL)
981 if (fe_tuner_ops->get_frequency) {
984 fe_tuner_ops->get_frequency(&t->fe, &abs_freq);
985 f->frequency = (V4L2_TUNER_RADIO == t->mode) ?
986 (abs_freq * 2 + 125/2) / 125 :
987 (abs_freq + 62500/2) / 62500;
990 f->frequency = (V4L2_TUNER_RADIO == t->mode) ?
991 t->radio_freq : t->tv_freq;
996 struct v4l2_tuner *tuner = arg;
998 if (check_mode(t, "VIDIOC_G_TUNER") == EINVAL)
1002 tuner->type = t->mode;
1003 if ((ops) && (ops->get_afc))
1004 tuner->afc = ops->get_afc(t);
1005 if (t->mode == V4L2_TUNER_ANALOG_TV)
1006 tuner->capability |= V4L2_TUNER_CAP_NORM;
1007 if (t->mode != V4L2_TUNER_RADIO) {
1008 tuner->rangelow = tv_range[0] * 16;
1009 tuner->rangehigh = tv_range[1] * 16;
1015 V4L2_TUNER_SUB_MONO | V4L2_TUNER_SUB_STEREO;
1016 if (fe_tuner_ops->get_status) {
1019 fe_tuner_ops->get_status(&t->fe, &tuner_status);
1020 tuner->rxsubchans = (tuner_status & TUNER_STATUS_STEREO) ?
1021 V4L2_TUNER_SUB_STEREO : V4L2_TUNER_SUB_MONO;
1023 if ((ops) && (ops->is_stereo)) {
1024 tuner->rxsubchans = ops->is_stereo(t) ?
1025 V4L2_TUNER_SUB_STEREO : V4L2_TUNER_SUB_MONO;
1028 if ((ops) && (ops->has_signal))
1029 tuner->signal = ops->has_signal(t);
1030 tuner->capability |=
1031 V4L2_TUNER_CAP_LOW | V4L2_TUNER_CAP_STEREO;
1032 tuner->audmode = t->audmode;
1033 tuner->rangelow = radio_range[0] * 16000;
1034 tuner->rangehigh = radio_range[1] * 16000;
1037 case VIDIOC_S_TUNER:
1039 struct v4l2_tuner *tuner = arg;
1041 if (check_mode(t, "VIDIOC_S_TUNER") == EINVAL)
1046 /* do nothing unless we're a radio tuner */
1047 if (t->mode != V4L2_TUNER_RADIO)
1049 t->audmode = tuner->audmode;
1050 set_radio_freq(client, t->radio_freq);
1053 case VIDIOC_LOG_STATUS:
1054 if ((ops) && (ops->tuner_status))
1055 ops->tuner_status(t);
1062 static int tuner_suspend(struct i2c_client *c, pm_message_t state)
1064 struct tuner *t = i2c_get_clientdata (c);
1066 tuner_dbg ("suspend\n");
1067 /* FIXME: power down ??? */
1071 static int tuner_resume(struct i2c_client *c)
1073 struct tuner *t = i2c_get_clientdata (c);
1075 tuner_dbg ("resume\n");
1076 if (V4L2_TUNER_RADIO == t->mode) {
1078 set_freq(c, t->radio_freq);
1081 set_freq(c, t->tv_freq);
1086 /* ----------------------------------------------------------------------- */
1088 static struct i2c_driver driver = {
1089 .id = I2C_DRIVERID_TUNER,
1090 .attach_adapter = tuner_probe,
1091 .detach_client = tuner_detach,
1092 .command = tuner_command,
1093 .suspend = tuner_suspend,
1094 .resume = tuner_resume,
1099 static struct i2c_client client_template = {
1100 .name = "(tuner unset)",
1104 static int __init tuner_init_module(void)
1106 return i2c_add_driver(&driver);
1109 static void __exit tuner_cleanup_module(void)
1111 i2c_del_driver(&driver);
1114 module_init(tuner_init_module);
1115 module_exit(tuner_cleanup_module);
1118 * Overrides for Emacs so that we follow Linus's tabbing style.
1119 * ---------------------------------------------------------------------------