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 #define PREFIX "tuner "
35 /* standard i2c insmod options */
36 static unsigned short normal_i2c[] = {
37 #if defined(CONFIG_TUNER_TEA5761) || (defined(CONFIG_TUNER_TEA5761_MODULE) && defined(MODULE))
40 0x42, 0x43, 0x4a, 0x4b, /* tda8290 */
41 0x60, 0x61, 0x62, 0x63, 0x64, 0x65, 0x66, 0x67,
42 0x68, 0x69, 0x6a, 0x6b, 0x6c, 0x6d, 0x6e, 0x6f,
48 /* insmod options used at init time => read/only */
49 static unsigned int addr = 0;
50 static unsigned int no_autodetect = 0;
51 static unsigned int show_i2c = 0;
53 /* insmod options used at runtime => read/write */
56 static unsigned int tv_range[2] = { 44, 958 };
57 static unsigned int radio_range[2] = { 65, 108 };
59 static char pal[] = "--";
60 static char secam[] = "--";
61 static char ntsc[] = "-";
64 module_param(addr, int, 0444);
65 module_param(no_autodetect, int, 0444);
66 module_param(show_i2c, int, 0444);
67 module_param_named(debug,tuner_debug, int, 0644);
68 module_param_string(pal, pal, sizeof(pal), 0644);
69 module_param_string(secam, secam, sizeof(secam), 0644);
70 module_param_string(ntsc, ntsc, sizeof(ntsc), 0644);
71 module_param_array(tv_range, int, NULL, 0644);
72 module_param_array(radio_range, int, NULL, 0644);
74 MODULE_DESCRIPTION("device driver for various TV and TV+FM radio tuners");
75 MODULE_AUTHOR("Ralph Metzler, Gerd Knorr, Gunther Mayer");
76 MODULE_LICENSE("GPL");
78 static struct i2c_driver driver;
79 static struct i2c_client client_template;
81 /* ---------------------------------------------------------------------- */
83 static void fe_set_freq(struct dvb_frontend *fe, unsigned int freq)
85 struct dvb_tuner_ops *fe_tuner_ops = &fe->ops.tuner_ops;
86 struct tuner *t = fe->analog_demod_priv;
88 struct analog_parameters params = {
91 .audmode = t->audmode,
95 if (NULL == fe_tuner_ops->set_analog_params) {
96 tuner_warn("Tuner frontend module has no way to set freq\n");
99 fe_tuner_ops->set_analog_params(fe, ¶ms);
102 static void fe_release(struct dvb_frontend *fe)
104 if (fe->ops.tuner_ops.release)
105 fe->ops.tuner_ops.release(fe);
107 fe->ops.analog_demod_ops = NULL;
109 /* DO NOT kfree(fe->analog_demod_priv)
111 * If we are in this function, analog_demod_priv contains a pointer
112 * to struct tuner *t. This will be kfree'd in tuner_detach().
114 * Otherwise, fe->ops.analog_demod_ops->release will
115 * handle the cleanup for analog demodulator modules.
117 fe->analog_demod_priv = NULL;
120 static void fe_standby(struct dvb_frontend *fe)
122 struct dvb_tuner_ops *fe_tuner_ops = &fe->ops.tuner_ops;
124 if (fe_tuner_ops->sleep)
125 fe_tuner_ops->sleep(fe);
128 static int fe_has_signal(struct dvb_frontend *fe)
132 if (fe->ops.tuner_ops.get_rf_strength)
133 fe->ops.tuner_ops.get_rf_strength(fe, &strength);
138 static void tuner_status(struct dvb_frontend *fe);
140 static struct analog_tuner_ops tuner_core_ops = {
141 .set_tv_freq = fe_set_freq,
142 .set_radio_freq = fe_set_freq,
143 .standby = fe_standby,
144 .release = fe_release,
145 .has_signal = fe_has_signal,
146 .tuner_status = tuner_status
149 /* Set tuner frequency, freq in Units of 62.5kHz = 1/16MHz */
150 static void set_tv_freq(struct i2c_client *c, unsigned int freq)
152 struct tuner *t = i2c_get_clientdata(c);
153 struct analog_tuner_ops *ops = t->fe.ops.analog_demod_ops;
155 if (t->type == UNSET) {
156 tuner_warn ("tuner type not set\n");
159 if ((NULL == ops) || (NULL == ops->set_tv_freq)) {
160 tuner_warn ("Tuner has no way to set tv freq\n");
163 if (freq < tv_range[0] * 16 || freq > tv_range[1] * 16) {
164 tuner_dbg ("TV freq (%d.%02d) out of range (%d-%d)\n",
165 freq / 16, freq % 16 * 100 / 16, tv_range[0],
167 /* V4L2 spec: if the freq is not possible then the closest
168 possible value should be selected */
169 if (freq < tv_range[0] * 16)
170 freq = tv_range[0] * 16;
172 freq = tv_range[1] * 16;
174 ops->set_tv_freq(&t->fe, freq);
177 static void set_radio_freq(struct i2c_client *c, unsigned int freq)
179 struct tuner *t = i2c_get_clientdata(c);
180 struct analog_tuner_ops *ops = t->fe.ops.analog_demod_ops;
182 if (t->type == UNSET) {
183 tuner_warn ("tuner type not set\n");
186 if ((NULL == ops) || (NULL == ops->set_radio_freq)) {
187 tuner_warn ("tuner has no way to set radio frequency\n");
190 if (freq < radio_range[0] * 16000 || freq > radio_range[1] * 16000) {
191 tuner_dbg ("radio freq (%d.%02d) out of range (%d-%d)\n",
192 freq / 16000, freq % 16000 * 100 / 16000,
193 radio_range[0], radio_range[1]);
194 /* V4L2 spec: if the freq is not possible then the closest
195 possible value should be selected */
196 if (freq < radio_range[0] * 16000)
197 freq = radio_range[0] * 16000;
199 freq = radio_range[1] * 16000;
202 ops->set_radio_freq(&t->fe, freq);
205 static void set_freq(struct i2c_client *c, unsigned long freq)
207 struct tuner *t = i2c_get_clientdata(c);
210 case V4L2_TUNER_RADIO:
211 tuner_dbg("radio freq set to %lu.%02lu\n",
212 freq / 16000, freq % 16000 * 100 / 16000);
213 set_radio_freq(c, freq);
214 t->radio_freq = freq;
216 case V4L2_TUNER_ANALOG_TV:
217 case V4L2_TUNER_DIGITAL_TV:
218 tuner_dbg("tv freq set to %lu.%02lu\n",
219 freq / 16, freq % 16 * 100 / 16);
220 set_tv_freq(c, freq);
224 tuner_dbg("freq set: unknown mode: 0x%04x!\n",t->mode);
228 static void tuner_i2c_address_check(struct tuner *t)
230 if ((t->type == UNSET || t->type == TUNER_ABSENT) ||
231 ((t->i2c->addr < 0x64) || (t->i2c->addr > 0x6f)))
234 tuner_warn("====================== WARNING! ======================\n");
235 tuner_warn("Support for tuners in i2c address range 0x64 thru 0x6f\n");
236 tuner_warn("will soon be dropped. This message indicates that your\n");
237 tuner_warn("hardware has a %s tuner at i2c address 0x%02x.\n",
238 t->i2c->name, t->i2c->addr);
239 tuner_warn("To ensure continued support for your device, please\n");
240 tuner_warn("send a copy of this message, along with full dmesg\n");
241 tuner_warn("output to v4l-dvb-maintainer@linuxtv.org\n");
242 tuner_warn("Please use subject line: \"obsolete tuner i2c address.\"\n");
243 tuner_warn("driver: %s, addr: 0x%02x, type: %d (%s)\n",
244 t->i2c->adapter->name, t->i2c->addr, t->type,
245 tuners[t->type].name);
246 tuner_warn("====================== WARNING! ======================\n");
249 static void attach_simple_tuner(struct tuner *t)
251 struct simple_tuner_config cfg = {
253 .tun = &tuners[t->type]
255 simple_tuner_attach(&t->fe, t->i2c->adapter, t->i2c->addr, &cfg);
258 static void set_type(struct i2c_client *c, unsigned int type,
259 unsigned int new_mode_mask, unsigned int new_config,
260 int (*tuner_callback) (void *dev, int command,int arg))
262 struct tuner *t = i2c_get_clientdata(c);
263 struct dvb_tuner_ops *fe_tuner_ops = &t->fe.ops.tuner_ops;
264 struct analog_tuner_ops *ops = t->fe.ops.analog_demod_ops;
265 unsigned char buffer[4];
267 if (type == UNSET || type == TUNER_ABSENT) {
268 tuner_dbg ("tuner 0x%02x: Tuner type absent\n",c->addr);
272 if (type >= tuner_count) {
273 tuner_warn ("tuner 0x%02x: Tuner count greater than %d\n",c->addr,tuner_count);
278 t->config = new_config;
279 if (tuner_callback != NULL) {
280 tuner_dbg("defining GPIO callback\n");
281 t->tuner_callback = tuner_callback;
284 if (t->mode == T_UNINITIALIZED) {
285 tuner_dbg ("tuner 0x%02x: called during i2c_client register by adapter's attach_inform\n", c->addr);
290 /* discard private data, in case set_type() was previously called */
291 if (ops && ops->release)
292 ops->release(&t->fe);
296 microtune_attach(&t->fe, t->i2c->adapter, t->i2c->addr);
298 case TUNER_PHILIPS_TDA8290:
304 if (tea5767_attach(&t->fe, t->i2c->adapter, t->i2c->addr) == NULL) {
305 t->type = TUNER_ABSENT;
306 t->mode_mask = T_UNINITIALIZED;
309 t->mode_mask = T_RADIO;
312 if (tea5761_attach(&t->fe, t->i2c->adapter, t->i2c->addr) == NULL) {
313 t->type = TUNER_ABSENT;
314 t->mode_mask = T_UNINITIALIZED;
317 t->mode_mask = T_RADIO;
319 case TUNER_PHILIPS_FMD1216ME_MK3:
324 i2c_master_send(c, buffer, 4);
328 i2c_master_send(c, buffer, 4);
329 attach_simple_tuner(t);
331 case TUNER_PHILIPS_TD1316:
336 i2c_master_send(c,buffer,4);
337 attach_simple_tuner(t);
341 int rc=xc2028_attach(&t->fe, t->i2c->adapter, t->i2c->addr,
342 &c->dev, c->adapter->algo_data,
345 t->type = TUNER_ABSENT;
346 t->mode_mask = T_UNINITIALIZED;
355 attach_simple_tuner(t);
359 ops = t->fe.ops.analog_demod_ops;
361 if (((NULL == ops) ||
362 ((NULL == ops->set_tv_freq) && (NULL == ops->set_radio_freq))) &&
363 (fe_tuner_ops->set_analog_params)) {
364 strlcpy(t->i2c->name, fe_tuner_ops->info.name,
365 sizeof(t->i2c->name));
367 t->fe.ops.analog_demod_ops = &tuner_core_ops;
368 t->fe.analog_demod_priv = t;
371 tuner_dbg("type set to %s\n", t->i2c->name);
373 if (t->mode_mask == T_UNINITIALIZED)
374 t->mode_mask = new_mode_mask;
376 set_freq(c, (V4L2_TUNER_RADIO == t->mode) ? t->radio_freq : t->tv_freq);
377 tuner_dbg("%s %s I2C addr 0x%02x with type %d used for 0x%02x\n",
378 c->adapter->name, c->driver->driver.name, c->addr << 1, type,
380 tuner_i2c_address_check(t);
384 * This function apply tuner config to tuner specified
385 * by tun_setup structure. I addr is unset, then admin status
386 * and tun addr status is more precise then current status,
387 * it's applied. Otherwise status and type are applied only to
388 * tuner with exactly the same addr.
391 static void set_addr(struct i2c_client *c, struct tuner_setup *tun_setup)
393 struct tuner *t = i2c_get_clientdata(c);
395 tuner_dbg("set addr for type %i\n", t->type);
397 if ( (t->type == UNSET && ((tun_setup->addr == ADDR_UNSET) &&
398 (t->mode_mask & tun_setup->mode_mask))) ||
399 (tun_setup->addr == c->addr)) {
400 set_type(c, tun_setup->type, tun_setup->mode_mask,
401 tun_setup->config, tun_setup->tuner_callback);
405 static inline int check_mode(struct tuner *t, char *cmd)
407 if ((1 << t->mode & t->mode_mask) == 0) {
412 case V4L2_TUNER_RADIO:
413 tuner_dbg("Cmd %s accepted for radio\n", cmd);
415 case V4L2_TUNER_ANALOG_TV:
416 tuner_dbg("Cmd %s accepted for analog TV\n", cmd);
418 case V4L2_TUNER_DIGITAL_TV:
419 tuner_dbg("Cmd %s accepted for digital TV\n", cmd);
425 /* get more precise norm info from insmod option */
426 static int tuner_fixup_std(struct tuner *t)
428 if ((t->std & V4L2_STD_PAL) == V4L2_STD_PAL) {
431 tuner_dbg ("insmod fixup: PAL => PAL-60\n");
432 t->std = V4L2_STD_PAL_60;
438 tuner_dbg ("insmod fixup: PAL => PAL-BG\n");
439 t->std = V4L2_STD_PAL_BG;
443 tuner_dbg ("insmod fixup: PAL => PAL-I\n");
444 t->std = V4L2_STD_PAL_I;
450 tuner_dbg ("insmod fixup: PAL => PAL-DK\n");
451 t->std = V4L2_STD_PAL_DK;
455 tuner_dbg ("insmod fixup: PAL => PAL-M\n");
456 t->std = V4L2_STD_PAL_M;
460 if (pal[1] == 'c' || pal[1] == 'C') {
461 tuner_dbg("insmod fixup: PAL => PAL-Nc\n");
462 t->std = V4L2_STD_PAL_Nc;
464 tuner_dbg ("insmod fixup: PAL => PAL-N\n");
465 t->std = V4L2_STD_PAL_N;
469 /* default parameter, do nothing */
472 tuner_warn ("pal= argument not recognised\n");
476 if ((t->std & V4L2_STD_SECAM) == V4L2_STD_SECAM) {
484 tuner_dbg("insmod fixup: SECAM => SECAM-BGH\n");
485 t->std = V4L2_STD_SECAM_B | V4L2_STD_SECAM_G | V4L2_STD_SECAM_H;
491 tuner_dbg ("insmod fixup: SECAM => SECAM-DK\n");
492 t->std = V4L2_STD_SECAM_DK;
496 if ((secam[1]=='C')||(secam[1]=='c')) {
497 tuner_dbg ("insmod fixup: SECAM => SECAM-L'\n");
498 t->std = V4L2_STD_SECAM_LC;
500 tuner_dbg ("insmod fixup: SECAM => SECAM-L\n");
501 t->std = V4L2_STD_SECAM_L;
505 /* default parameter, do nothing */
508 tuner_warn ("secam= argument not recognised\n");
513 if ((t->std & V4L2_STD_NTSC) == V4L2_STD_NTSC) {
517 tuner_dbg("insmod fixup: NTSC => NTSC-M\n");
518 t->std = V4L2_STD_NTSC_M;
522 tuner_dbg("insmod fixup: NTSC => NTSC_M_JP\n");
523 t->std = V4L2_STD_NTSC_M_JP;
527 tuner_dbg("insmod fixup: NTSC => NTSC_M_KR\n");
528 t->std = V4L2_STD_NTSC_M_KR;
531 /* default parameter, do nothing */
534 tuner_info("ntsc= argument not recognised\n");
541 static void tuner_status(struct dvb_frontend *fe)
543 struct tuner *t = fe->analog_demod_priv;
544 unsigned long freq, freq_fraction;
545 struct dvb_tuner_ops *fe_tuner_ops = &t->fe.ops.tuner_ops;
546 struct analog_tuner_ops *ops = t->fe.ops.analog_demod_ops;
550 case V4L2_TUNER_RADIO: p = "radio"; break;
551 case V4L2_TUNER_ANALOG_TV: p = "analog TV"; break;
552 case V4L2_TUNER_DIGITAL_TV: p = "digital TV"; break;
553 default: p = "undefined"; break;
555 if (t->mode == V4L2_TUNER_RADIO) {
556 freq = t->radio_freq / 16000;
557 freq_fraction = (t->radio_freq % 16000) * 100 / 16000;
559 freq = t->tv_freq / 16;
560 freq_fraction = (t->tv_freq % 16) * 100 / 16;
562 tuner_info("Tuner mode: %s\n", p);
563 tuner_info("Frequency: %lu.%02lu MHz\n", freq, freq_fraction);
564 tuner_info("Standard: 0x%08lx\n", (unsigned long)t->std);
565 if (t->mode != V4L2_TUNER_RADIO)
567 if (fe_tuner_ops->get_status) {
570 fe_tuner_ops->get_status(&t->fe, &tuner_status);
571 if (tuner_status & TUNER_STATUS_LOCKED)
572 tuner_info("Tuner is locked.\n");
573 if (tuner_status & TUNER_STATUS_STEREO)
574 tuner_info("Stereo: yes\n");
578 tuner_info("Signal strength: %d\n",
579 ops->has_signal(fe));
581 tuner_info("Stereo: %s\n",
582 ops->is_stereo(fe) ? "yes" : "no");
586 /* ---------------------------------------------------------------------- */
588 /* static vars: used only in tuner_attach and tuner_probe */
589 static unsigned default_mode_mask;
591 /* During client attach, set_type is called by adapter's attach_inform callback.
592 set_type must then be completed by tuner_attach.
594 static int tuner_attach(struct i2c_adapter *adap, int addr, int kind)
596 struct i2c_client *client;
599 client = kmalloc(sizeof(struct i2c_client), GFP_KERNEL);
603 t = kzalloc(sizeof(struct tuner), GFP_KERNEL);
609 client_template.adapter = adap;
610 client_template.addr = addr;
611 memcpy(client, &client_template, sizeof(struct i2c_client));
612 i2c_set_clientdata(client, t);
614 t->audmode = V4L2_TUNER_MODE_STEREO;
615 t->mode_mask = T_UNINITIALIZED;
618 unsigned char buffer[16];
621 memset(buffer, 0, sizeof(buffer));
622 rc = i2c_master_recv(client, buffer, sizeof(buffer));
623 tuner_info("I2C RECV = ");
625 printk("%02x ",buffer[i]);
628 /* HACK: This test were added to avoid tuner to probe tda9840 and tea6415c on the MXB card */
629 if (adap->id == I2C_HW_SAA7146 && addr < 0x4a)
632 /* autodetection code based on the i2c addr */
633 if (!no_autodetect) {
636 if (tea5761_autodetection(t->i2c->adapter, t->i2c->addr) != EINVAL) {
637 t->type = TUNER_TEA5761;
638 t->mode_mask = T_RADIO;
640 t->radio_freq = 87.5 * 16000; /* Sets freq to FM range */
641 default_mode_mask &= ~T_RADIO;
643 goto register_client;
650 /* If chip is not tda8290, don't register.
651 since it can be tda9887*/
652 if (tda8290_probe(t) == 0) {
653 tuner_dbg("chip at addr %x is a tda8290\n", addr);
655 /* Default is being tda9887 */
656 t->type = TUNER_TDA9887;
657 t->mode_mask = T_RADIO | T_ANALOG_TV | T_DIGITAL_TV;
659 goto register_client;
663 if (tea5767_autodetection(t->i2c->adapter, t->i2c->addr) != EINVAL) {
664 t->type = TUNER_TEA5767;
665 t->mode_mask = T_RADIO;
667 t->radio_freq = 87.5 * 16000; /* Sets freq to FM range */
668 default_mode_mask &= ~T_RADIO;
670 goto register_client;
676 /* Initializes only the first adapter found */
677 if (default_mode_mask != T_UNINITIALIZED) {
678 tuner_dbg ("Setting mode_mask to 0x%02x\n", default_mode_mask);
679 t->mode_mask = default_mode_mask;
680 t->tv_freq = 400 * 16; /* Sets freq to VHF High */
681 t->radio_freq = 87.5 * 16000; /* Sets freq to FM range */
682 default_mode_mask = T_UNINITIALIZED;
685 /* Should be just before return */
687 tuner_info("chip found @ 0x%x (%s)\n", addr << 1, adap->name);
689 /* Sets a default mode */
690 if (t->mode_mask & T_ANALOG_TV) {
691 t->mode = T_ANALOG_TV;
692 } else if (t->mode_mask & T_RADIO) {
695 t->mode = T_DIGITAL_TV;
698 i2c_attach_client (client);
699 set_type (client,t->type, t->mode_mask, t->config, t->tuner_callback);
703 static int tuner_probe(struct i2c_adapter *adap)
706 normal_i2c[0] = addr;
707 normal_i2c[1] = I2C_CLIENT_END;
710 /* HACK: Ignore 0x6b and 0x6f on cx88 boards.
711 * FusionHDTV5 RT Gold has an ir receiver at 0x6b
712 * and an RTC at 0x6f which can get corrupted if probed.
714 if ((adap->id == I2C_HW_B_CX2388x) ||
715 (adap->id == I2C_HW_B_CX23885)) {
718 while (i < I2C_CLIENT_MAX_OPTS && ignore[i] != I2C_CLIENT_END)
720 if (i + 4 < I2C_CLIENT_MAX_OPTS) {
721 ignore[i+0] = adap->nr;
723 ignore[i+2] = adap->nr;
725 ignore[i+4] = I2C_CLIENT_END;
727 printk(KERN_WARNING "tuner: "
728 "too many options specified "
729 "in i2c probe ignore list!\n");
732 default_mode_mask = T_RADIO | T_ANALOG_TV | T_DIGITAL_TV;
734 if (adap->class & I2C_CLASS_TV_ANALOG)
735 return i2c_probe(adap, &addr_data, tuner_attach);
739 static int tuner_detach(struct i2c_client *client)
741 struct tuner *t = i2c_get_clientdata(client);
742 struct analog_tuner_ops *ops = t->fe.ops.analog_demod_ops;
745 err = i2c_detach_client(t->i2c);
748 ("Client deregistration failed, client not detached.\n");
752 if (ops && ops->release)
753 ops->release(&t->fe);
761 * Switch tuner to other mode. If tuner support both tv and radio,
762 * set another frequency to some value (This is needed for some pal
763 * tuners to avoid locking). Otherwise, just put second tuner in
767 static inline int set_mode(struct i2c_client *client, struct tuner *t, int mode, char *cmd)
769 struct analog_tuner_ops *ops = t->fe.ops.analog_demod_ops;
776 if (check_mode(t, cmd) == EINVAL) {
778 if (ops && ops->standby)
779 ops->standby(&t->fe);
785 #define switch_v4l2() if (!t->using_v4l2) \
786 tuner_dbg("switching to v4l2\n"); \
789 static inline int check_v4l2(struct tuner *t)
791 /* bttv still uses both v4l1 and v4l2 calls to the tuner (v4l2 for
792 TV, v4l1 for radio), until that is fixed this code is disabled.
793 Otherwise the radio (v4l1) wouldn't tune after using the TV (v4l2)
798 static int tuner_command(struct i2c_client *client, unsigned int cmd, void *arg)
800 struct tuner *t = i2c_get_clientdata(client);
801 struct dvb_tuner_ops *fe_tuner_ops = &t->fe.ops.tuner_ops;
802 struct analog_tuner_ops *ops = t->fe.ops.analog_demod_ops;
805 v4l_i2c_print_ioctl(client,cmd);
808 /* --- configuration --- */
809 case TUNER_SET_TYPE_ADDR:
810 tuner_dbg ("Calling set_type_addr for type=%d, addr=0x%02x, mode=0x%02x, config=0x%02x\n",
811 ((struct tuner_setup *)arg)->type,
812 ((struct tuner_setup *)arg)->addr,
813 ((struct tuner_setup *)arg)->mode_mask,
814 ((struct tuner_setup *)arg)->config);
816 set_addr(client, (struct tuner_setup *)arg);
819 if (set_mode(client, t, V4L2_TUNER_RADIO, "AUDC_SET_RADIO")
823 set_freq(client, t->radio_freq);
825 case TUNER_SET_STANDBY:
826 if (check_mode(t, "TUNER_SET_STANDBY") == EINVAL)
829 if (ops && ops->standby)
830 ops->standby(&t->fe);
832 #ifdef CONFIG_VIDEO_V4L1
834 if (check_mode(t, "VIDIOCSAUDIO") == EINVAL)
836 if (check_v4l2(t) == EINVAL)
839 /* Should be implemented, since bttv calls it */
840 tuner_dbg("VIDIOCSAUDIO not implemented.\n");
844 static const v4l2_std_id map[] = {
845 [VIDEO_MODE_PAL] = V4L2_STD_PAL,
846 [VIDEO_MODE_NTSC] = V4L2_STD_NTSC_M,
847 [VIDEO_MODE_SECAM] = V4L2_STD_SECAM,
848 [4 /* bttv */ ] = V4L2_STD_PAL_M,
849 [5 /* bttv */ ] = V4L2_STD_PAL_N,
850 [6 /* bttv */ ] = V4L2_STD_NTSC_M_JP,
852 struct video_channel *vc = arg;
854 if (check_v4l2(t) == EINVAL)
857 if (set_mode(client,t,V4L2_TUNER_ANALOG_TV, "VIDIOCSCHAN")==EINVAL)
860 if (vc->norm < ARRAY_SIZE(map))
861 t->std = map[vc->norm];
864 set_tv_freq(client, t->tv_freq);
869 unsigned long *v = arg;
871 if (check_mode(t, "VIDIOCSFREQ") == EINVAL)
873 if (check_v4l2(t) == EINVAL)
876 set_freq(client, *v);
881 struct video_tuner *vt = arg;
883 if (check_mode(t, "VIDIOCGTUNER") == EINVAL)
885 if (check_v4l2(t) == EINVAL)
888 if (V4L2_TUNER_RADIO == t->mode) {
889 if (fe_tuner_ops->get_status) {
892 fe_tuner_ops->get_status(&t->fe, &tuner_status);
893 if (tuner_status & TUNER_STATUS_STEREO)
894 vt->flags |= VIDEO_TUNER_STEREO_ON;
896 vt->flags &= ~VIDEO_TUNER_STEREO_ON;
898 if (ops && ops->is_stereo) {
899 if (ops->is_stereo(&t->fe))
901 VIDEO_TUNER_STEREO_ON;
904 ~VIDEO_TUNER_STEREO_ON;
907 if (ops && ops->has_signal)
908 vt->signal = ops->has_signal(&t->fe);
910 vt->flags |= VIDEO_TUNER_LOW; /* Allow freqs at 62.5 Hz */
912 vt->rangelow = radio_range[0] * 16000;
913 vt->rangehigh = radio_range[1] * 16000;
916 vt->rangelow = tv_range[0] * 16;
917 vt->rangehigh = tv_range[1] * 16;
924 struct video_audio *va = arg;
926 if (check_mode(t, "VIDIOCGAUDIO") == EINVAL)
928 if (check_v4l2(t) == EINVAL)
931 if (V4L2_TUNER_RADIO == t->mode) {
932 if (fe_tuner_ops->get_status) {
935 fe_tuner_ops->get_status(&t->fe, &tuner_status);
936 va->mode = (tuner_status & TUNER_STATUS_STEREO)
937 ? VIDEO_SOUND_STEREO : VIDEO_SOUND_MONO;
938 } else if (ops && ops->is_stereo)
939 va->mode = ops->is_stereo(&t->fe)
940 ? VIDEO_SOUND_STEREO : VIDEO_SOUND_MONO;
945 case TUNER_SET_CONFIG:
947 struct dvb_tuner_ops *fe_tuner_ops = &t->fe.ops.tuner_ops;
948 struct v4l2_priv_tun_config *cfg = arg;
950 if (t->type != cfg->tuner)
953 if (t->type == TUNER_TDA9887) {
954 t->tda9887_config = *(unsigned int *)cfg->priv;
955 set_freq(client, t->tv_freq);
959 if (NULL == fe_tuner_ops->set_config) {
960 tuner_warn("Tuner frontend module has no way to "
964 fe_tuner_ops->set_config(&t->fe, cfg->priv);
968 /* --- v4l ioctls --- */
969 /* take care: bttv does userspace copying, we'll get a
970 kernel pointer here... */
973 v4l2_std_id *id = arg;
975 if (set_mode (client, t, V4L2_TUNER_ANALOG_TV, "VIDIOC_S_STD")
984 set_freq(client, t->tv_freq);
987 case VIDIOC_S_FREQUENCY:
989 struct v4l2_frequency *f = arg;
991 if (set_mode (client, t, f->type, "VIDIOC_S_FREQUENCY")
995 set_freq(client,f->frequency);
999 case VIDIOC_G_FREQUENCY:
1001 struct v4l2_frequency *f = arg;
1003 if (check_mode(t, "VIDIOC_G_FREQUENCY") == EINVAL)
1007 if (fe_tuner_ops->get_frequency) {
1010 fe_tuner_ops->get_frequency(&t->fe, &abs_freq);
1011 f->frequency = (V4L2_TUNER_RADIO == t->mode) ?
1012 (abs_freq * 2 + 125/2) / 125 :
1013 (abs_freq + 62500/2) / 62500;
1016 f->frequency = (V4L2_TUNER_RADIO == t->mode) ?
1017 t->radio_freq : t->tv_freq;
1020 case VIDIOC_G_TUNER:
1022 struct v4l2_tuner *tuner = arg;
1024 if (check_mode(t, "VIDIOC_G_TUNER") == EINVAL)
1028 tuner->type = t->mode;
1029 if (ops && ops->get_afc)
1030 tuner->afc = ops->get_afc(&t->fe);
1031 if (t->mode == V4L2_TUNER_ANALOG_TV)
1032 tuner->capability |= V4L2_TUNER_CAP_NORM;
1033 if (t->mode != V4L2_TUNER_RADIO) {
1034 tuner->rangelow = tv_range[0] * 16;
1035 tuner->rangehigh = tv_range[1] * 16;
1041 V4L2_TUNER_SUB_MONO | V4L2_TUNER_SUB_STEREO;
1042 if (fe_tuner_ops->get_status) {
1045 fe_tuner_ops->get_status(&t->fe, &tuner_status);
1047 (tuner_status & TUNER_STATUS_STEREO) ?
1048 V4L2_TUNER_SUB_STEREO :
1049 V4L2_TUNER_SUB_MONO;
1051 if (ops && ops->is_stereo) {
1053 ops->is_stereo(&t->fe) ?
1054 V4L2_TUNER_SUB_STEREO :
1055 V4L2_TUNER_SUB_MONO;
1058 if (ops && ops->has_signal)
1059 tuner->signal = ops->has_signal(&t->fe);
1060 tuner->capability |=
1061 V4L2_TUNER_CAP_LOW | V4L2_TUNER_CAP_STEREO;
1062 tuner->audmode = t->audmode;
1063 tuner->rangelow = radio_range[0] * 16000;
1064 tuner->rangehigh = radio_range[1] * 16000;
1067 case VIDIOC_S_TUNER:
1069 struct v4l2_tuner *tuner = arg;
1071 if (check_mode(t, "VIDIOC_S_TUNER") == EINVAL)
1076 /* do nothing unless we're a radio tuner */
1077 if (t->mode != V4L2_TUNER_RADIO)
1079 t->audmode = tuner->audmode;
1080 set_radio_freq(client, t->radio_freq);
1083 case VIDIOC_LOG_STATUS:
1084 if (ops && ops->tuner_status)
1085 ops->tuner_status(&t->fe);
1092 static int tuner_suspend(struct i2c_client *c, pm_message_t state)
1094 struct tuner *t = i2c_get_clientdata (c);
1096 tuner_dbg ("suspend\n");
1097 /* FIXME: power down ??? */
1101 static int tuner_resume(struct i2c_client *c)
1103 struct tuner *t = i2c_get_clientdata (c);
1105 tuner_dbg ("resume\n");
1106 if (V4L2_TUNER_RADIO == t->mode) {
1108 set_freq(c, t->radio_freq);
1111 set_freq(c, t->tv_freq);
1116 /* ----------------------------------------------------------------------- */
1118 static struct i2c_driver driver = {
1119 .id = I2C_DRIVERID_TUNER,
1120 .attach_adapter = tuner_probe,
1121 .detach_client = tuner_detach,
1122 .command = tuner_command,
1123 .suspend = tuner_suspend,
1124 .resume = tuner_resume,
1129 static struct i2c_client client_template = {
1130 .name = "(tuner unset)",
1134 static int __init tuner_init_module(void)
1136 return i2c_add_driver(&driver);
1139 static void __exit tuner_cleanup_module(void)
1141 i2c_del_driver(&driver);
1144 module_init(tuner_init_module);
1145 module_exit(tuner_cleanup_module);
1148 * Overrides for Emacs so that we follow Linus's tabbing style.
1149 * ---------------------------------------------------------------------------