Commit | Line | Data |
---|---|---|
1da177e4 | 1 | /* |
1da177e4 LT |
2 | * |
3 | * i2c tv tuner chip device driver | |
4 | * core core, i.e. kernel interfaces, registering and so on | |
5 | */ | |
6 | ||
7 | #include <linux/module.h> | |
1da177e4 | 8 | #include <linux/kernel.h> |
1da177e4 LT |
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> | |
1da177e4 | 17 | #include <linux/init.h> |
75b4c260 | 18 | #include <linux/videodev2.h> |
1da177e4 | 19 | #include <media/tuner.h> |
4adad287 | 20 | #include <media/tuner-types.h> |
e8a4a9e7 | 21 | #include <media/v4l2-device.h> |
35ea11ff | 22 | #include <media/v4l2-ioctl.h> |
75b4c260 | 23 | #include <media/v4l2-i2c-drv.h> |
96c0b7cf | 24 | #include "mt20xx.h" |
910bb3e3 | 25 | #include "tda8290.h" |
7ab10bf7 | 26 | #include "tea5761.h" |
8d0936ed | 27 | #include "tea5767.h" |
215b95ba | 28 | #include "tuner-xc2028.h" |
4adad287 | 29 | #include "tuner-simple.h" |
31c9584c | 30 | #include "tda9887.h" |
27c685a4 | 31 | #include "xc5000.h" |
1da177e4 LT |
32 | |
33 | #define UNSET (-1U) | |
34 | ||
9dd659de | 35 | #define PREFIX t->i2c->driver->driver.name |
241020d1 | 36 | |
a07c8779 | 37 | /** This macro allows us to probe dynamically, avoiding static links */ |
ff138171 | 38 | #ifdef CONFIG_MEDIA_ATTACH |
a07c8779 MK |
39 | #define tuner_symbol_probe(FUNCTION, ARGS...) ({ \ |
40 | int __r = -EINVAL; \ | |
41 | typeof(&FUNCTION) __a = symbol_request(FUNCTION); \ | |
42 | if (__a) { \ | |
43 | __r = (int) __a(ARGS); \ | |
a1355e53 | 44 | symbol_put(FUNCTION); \ |
a07c8779 MK |
45 | } else { \ |
46 | printk(KERN_ERR "TUNER: Unable to find " \ | |
47 | "symbol "#FUNCTION"()\n"); \ | |
48 | } \ | |
a07c8779 MK |
49 | __r; \ |
50 | }) | |
51 | ||
52 | static void tuner_detach(struct dvb_frontend *fe) | |
53 | { | |
54 | if (fe->ops.tuner_ops.release) { | |
55 | fe->ops.tuner_ops.release(fe); | |
56 | symbol_put_addr(fe->ops.tuner_ops.release); | |
57 | } | |
58 | if (fe->ops.analog_ops.release) { | |
59 | fe->ops.analog_ops.release(fe); | |
60 | symbol_put_addr(fe->ops.analog_ops.release); | |
61 | } | |
62 | } | |
63 | #else | |
64 | #define tuner_symbol_probe(FUNCTION, ARGS...) ({ \ | |
65 | FUNCTION(ARGS); \ | |
66 | }) | |
67 | ||
68 | static void tuner_detach(struct dvb_frontend *fe) | |
69 | { | |
70 | if (fe->ops.tuner_ops.release) | |
71 | fe->ops.tuner_ops.release(fe); | |
72 | if (fe->ops.analog_ops.release) | |
73 | fe->ops.analog_ops.release(fe); | |
74 | } | |
75 | #endif | |
76 | ||
f7f427e4 MK |
77 | struct tuner { |
78 | /* device */ | |
79 | struct dvb_frontend fe; | |
80 | struct i2c_client *i2c; | |
e8a4a9e7 | 81 | struct v4l2_subdev sd; |
f7f427e4 MK |
82 | struct list_head list; |
83 | unsigned int using_v4l2:1; | |
84 | ||
85 | /* keep track of the current settings */ | |
86 | v4l2_std_id std; | |
87 | unsigned int tv_freq; | |
88 | unsigned int radio_freq; | |
89 | unsigned int audmode; | |
90 | ||
91 | unsigned int mode; | |
92 | unsigned int mode_mask; /* Combination of allowable modes */ | |
93 | ||
94 | unsigned int type; /* chip type id */ | |
95 | unsigned int config; | |
7271e60a | 96 | const char *name; |
f7f427e4 MK |
97 | }; |
98 | ||
e8a4a9e7 HV |
99 | static inline struct tuner *to_tuner(struct v4l2_subdev *sd) |
100 | { | |
101 | return container_of(sd, struct tuner, sd); | |
102 | } | |
103 | ||
1da177e4 LT |
104 | |
105 | /* insmod options used at init time => read/only */ | |
ff699e6b DSL |
106 | static unsigned int addr; |
107 | static unsigned int no_autodetect; | |
108 | static unsigned int show_i2c; | |
fd3113e8 | 109 | |
1da177e4 | 110 | /* insmod options used at runtime => read/write */ |
ab166050 MK |
111 | static int tuner_debug; |
112 | ||
113 | #define tuner_warn(fmt, arg...) do { \ | |
114 | printk(KERN_WARNING "%s %d-%04x: " fmt, PREFIX, \ | |
115 | i2c_adapter_id(t->i2c->adapter), \ | |
116 | t->i2c->addr, ##arg); \ | |
117 | } while (0) | |
118 | ||
119 | #define tuner_info(fmt, arg...) do { \ | |
120 | printk(KERN_INFO "%s %d-%04x: " fmt, PREFIX, \ | |
121 | i2c_adapter_id(t->i2c->adapter), \ | |
122 | t->i2c->addr, ##arg); \ | |
123 | } while (0) | |
124 | ||
125 | #define tuner_err(fmt, arg...) do { \ | |
126 | printk(KERN_ERR "%s %d-%04x: " fmt, PREFIX, \ | |
127 | i2c_adapter_id(t->i2c->adapter), \ | |
128 | t->i2c->addr, ##arg); \ | |
129 | } while (0) | |
130 | ||
131 | #define tuner_dbg(fmt, arg...) do { \ | |
132 | if (tuner_debug) \ | |
133 | printk(KERN_DEBUG "%s %d-%04x: " fmt, PREFIX, \ | |
134 | i2c_adapter_id(t->i2c->adapter), \ | |
135 | t->i2c->addr, ##arg); \ | |
136 | } while (0) | |
137 | ||
138 | /* ------------------------------------------------------------------------ */ | |
1da177e4 | 139 | |
f7ce3cc6 | 140 | static unsigned int tv_range[2] = { 44, 958 }; |
1da177e4 LT |
141 | static unsigned int radio_range[2] = { 65, 108 }; |
142 | ||
7e578191 MCC |
143 | static char pal[] = "--"; |
144 | static char secam[] = "--"; | |
145 | static char ntsc[] = "-"; | |
146 | ||
f9195ded | 147 | |
7e578191 MCC |
148 | module_param(addr, int, 0444); |
149 | module_param(no_autodetect, int, 0444); | |
150 | module_param(show_i2c, int, 0444); | |
f9195ded | 151 | module_param_named(debug,tuner_debug, int, 0644); |
7e578191 MCC |
152 | module_param_string(pal, pal, sizeof(pal), 0644); |
153 | module_param_string(secam, secam, sizeof(secam), 0644); | |
154 | module_param_string(ntsc, ntsc, sizeof(ntsc), 0644); | |
f7ce3cc6 | 155 | module_param_array(tv_range, int, NULL, 0644); |
1da177e4 LT |
156 | module_param_array(radio_range, int, NULL, 0644); |
157 | ||
158 | MODULE_DESCRIPTION("device driver for various TV and TV+FM radio tuners"); | |
159 | MODULE_AUTHOR("Ralph Metzler, Gerd Knorr, Gunther Mayer"); | |
160 | MODULE_LICENSE("GPL"); | |
161 | ||
1da177e4 LT |
162 | /* ---------------------------------------------------------------------- */ |
163 | ||
c7919d52 MK |
164 | static void fe_set_params(struct dvb_frontend *fe, |
165 | struct analog_parameters *params) | |
e18f9444 | 166 | { |
4e9154b8 MK |
167 | struct dvb_tuner_ops *fe_tuner_ops = &fe->ops.tuner_ops; |
168 | struct tuner *t = fe->analog_demod_priv; | |
e18f9444 | 169 | |
e18f9444 MK |
170 | if (NULL == fe_tuner_ops->set_analog_params) { |
171 | tuner_warn("Tuner frontend module has no way to set freq\n"); | |
172 | return; | |
173 | } | |
c7919d52 | 174 | fe_tuner_ops->set_analog_params(fe, params); |
e18f9444 MK |
175 | } |
176 | ||
4e9154b8 | 177 | static void fe_standby(struct dvb_frontend *fe) |
e18f9444 | 178 | { |
4e9154b8 | 179 | struct dvb_tuner_ops *fe_tuner_ops = &fe->ops.tuner_ops; |
e18f9444 MK |
180 | |
181 | if (fe_tuner_ops->sleep) | |
4e9154b8 | 182 | fe_tuner_ops->sleep(fe); |
e18f9444 MK |
183 | } |
184 | ||
4e9154b8 | 185 | static int fe_has_signal(struct dvb_frontend *fe) |
1f5ef197 | 186 | { |
1419683d | 187 | u16 strength = 0; |
1f5ef197 | 188 | |
4e9154b8 MK |
189 | if (fe->ops.tuner_ops.get_rf_strength) |
190 | fe->ops.tuner_ops.get_rf_strength(fe, &strength); | |
1f5ef197 MK |
191 | |
192 | return strength; | |
193 | } | |
194 | ||
f1c9a281 MK |
195 | static int fe_set_config(struct dvb_frontend *fe, void *priv_cfg) |
196 | { | |
197 | struct dvb_tuner_ops *fe_tuner_ops = &fe->ops.tuner_ops; | |
198 | struct tuner *t = fe->analog_demod_priv; | |
199 | ||
200 | if (fe_tuner_ops->set_config) | |
201 | return fe_tuner_ops->set_config(fe, priv_cfg); | |
202 | ||
203 | tuner_warn("Tuner frontend module has no way to set config\n"); | |
204 | ||
205 | return 0; | |
206 | } | |
207 | ||
4e9154b8 | 208 | static void tuner_status(struct dvb_frontend *fe); |
1dde7a4f | 209 | |
e8a4a9e7 | 210 | static struct analog_demod_ops tuner_analog_ops = { |
c7919d52 | 211 | .set_params = fe_set_params, |
1dde7a4f | 212 | .standby = fe_standby, |
1dde7a4f | 213 | .has_signal = fe_has_signal, |
f1c9a281 | 214 | .set_config = fe_set_config, |
1dde7a4f MK |
215 | .tuner_status = tuner_status |
216 | }; | |
217 | ||
56fc08ca | 218 | /* Set tuner frequency, freq in Units of 62.5kHz = 1/16MHz */ |
1da177e4 LT |
219 | static void set_tv_freq(struct i2c_client *c, unsigned int freq) |
220 | { | |
e8a4a9e7 | 221 | struct tuner *t = to_tuner(i2c_get_clientdata(c)); |
bc3e5c7f | 222 | struct analog_demod_ops *analog_ops = &t->fe.ops.analog_ops; |
1da177e4 | 223 | |
c7919d52 MK |
224 | struct analog_parameters params = { |
225 | .mode = t->mode, | |
226 | .audmode = t->audmode, | |
227 | .std = t->std | |
228 | }; | |
229 | ||
1da177e4 | 230 | if (t->type == UNSET) { |
f7ce3cc6 | 231 | tuner_warn ("tuner type not set\n"); |
1da177e4 LT |
232 | return; |
233 | } | |
bc3e5c7f | 234 | if (NULL == analog_ops->set_params) { |
f7ce3cc6 | 235 | tuner_warn ("Tuner has no way to set tv freq\n"); |
1da177e4 LT |
236 | return; |
237 | } | |
f7ce3cc6 MCC |
238 | if (freq < tv_range[0] * 16 || freq > tv_range[1] * 16) { |
239 | tuner_dbg ("TV freq (%d.%02d) out of range (%d-%d)\n", | |
240 | freq / 16, freq % 16 * 100 / 16, tv_range[0], | |
241 | tv_range[1]); | |
27487d44 HV |
242 | /* V4L2 spec: if the freq is not possible then the closest |
243 | possible value should be selected */ | |
244 | if (freq < tv_range[0] * 16) | |
245 | freq = tv_range[0] * 16; | |
246 | else | |
247 | freq = tv_range[1] * 16; | |
1da177e4 | 248 | } |
c7919d52 MK |
249 | params.frequency = freq; |
250 | ||
bc3e5c7f | 251 | analog_ops->set_params(&t->fe, ¶ms); |
1da177e4 LT |
252 | } |
253 | ||
254 | static void set_radio_freq(struct i2c_client *c, unsigned int freq) | |
255 | { | |
e8a4a9e7 | 256 | struct tuner *t = to_tuner(i2c_get_clientdata(c)); |
bc3e5c7f | 257 | struct analog_demod_ops *analog_ops = &t->fe.ops.analog_ops; |
1da177e4 | 258 | |
c7919d52 MK |
259 | struct analog_parameters params = { |
260 | .mode = t->mode, | |
261 | .audmode = t->audmode, | |
262 | .std = t->std | |
263 | }; | |
264 | ||
1da177e4 | 265 | if (t->type == UNSET) { |
f7ce3cc6 | 266 | tuner_warn ("tuner type not set\n"); |
1da177e4 LT |
267 | return; |
268 | } | |
e545d6e2 | 269 | if (NULL == analog_ops->set_params) { |
f7ce3cc6 | 270 | tuner_warn ("tuner has no way to set radio frequency\n"); |
1da177e4 LT |
271 | return; |
272 | } | |
27487d44 | 273 | if (freq < radio_range[0] * 16000 || freq > radio_range[1] * 16000) { |
f7ce3cc6 MCC |
274 | tuner_dbg ("radio freq (%d.%02d) out of range (%d-%d)\n", |
275 | freq / 16000, freq % 16000 * 100 / 16000, | |
276 | radio_range[0], radio_range[1]); | |
27487d44 HV |
277 | /* V4L2 spec: if the freq is not possible then the closest |
278 | possible value should be selected */ | |
279 | if (freq < radio_range[0] * 16000) | |
280 | freq = radio_range[0] * 16000; | |
281 | else | |
282 | freq = radio_range[1] * 16000; | |
1da177e4 | 283 | } |
c7919d52 | 284 | params.frequency = freq; |
586b0cab | 285 | |
bc3e5c7f | 286 | analog_ops->set_params(&t->fe, ¶ms); |
1da177e4 LT |
287 | } |
288 | ||
289 | static void set_freq(struct i2c_client *c, unsigned long freq) | |
290 | { | |
e8a4a9e7 | 291 | struct tuner *t = to_tuner(i2c_get_clientdata(c)); |
1da177e4 LT |
292 | |
293 | switch (t->mode) { | |
294 | case V4L2_TUNER_RADIO: | |
295 | tuner_dbg("radio freq set to %lu.%02lu\n", | |
f7ce3cc6 MCC |
296 | freq / 16000, freq % 16000 * 100 / 16000); |
297 | set_radio_freq(c, freq); | |
27487d44 | 298 | t->radio_freq = freq; |
1da177e4 LT |
299 | break; |
300 | case V4L2_TUNER_ANALOG_TV: | |
301 | case V4L2_TUNER_DIGITAL_TV: | |
302 | tuner_dbg("tv freq set to %lu.%02lu\n", | |
f7ce3cc6 | 303 | freq / 16, freq % 16 * 100 / 16); |
1da177e4 | 304 | set_tv_freq(c, freq); |
27487d44 | 305 | t->tv_freq = freq; |
1da177e4 | 306 | break; |
6cb45879 MCC |
307 | default: |
308 | tuner_dbg("freq set: unknown mode: 0x%04x!\n",t->mode); | |
1da177e4 | 309 | } |
1da177e4 LT |
310 | } |
311 | ||
27c685a4 ST |
312 | static struct xc5000_config xc5000_cfg; |
313 | ||
f7ce3cc6 | 314 | static void set_type(struct i2c_client *c, unsigned int type, |
de956c1e | 315 | unsigned int new_mode_mask, unsigned int new_config, |
d7cba043 | 316 | int (*tuner_callback) (void *dev, int component, int cmd, int arg)) |
1da177e4 | 317 | { |
e8a4a9e7 | 318 | struct tuner *t = to_tuner(i2c_get_clientdata(c)); |
e18f9444 | 319 | struct dvb_tuner_ops *fe_tuner_ops = &t->fe.ops.tuner_ops; |
bc3e5c7f | 320 | struct analog_demod_ops *analog_ops = &t->fe.ops.analog_ops; |
586b0cab | 321 | unsigned char buffer[4]; |
1da177e4 | 322 | |
f7ce3cc6 MCC |
323 | if (type == UNSET || type == TUNER_ABSENT) { |
324 | tuner_dbg ("tuner 0x%02x: Tuner type absent\n",c->addr); | |
1da177e4 | 325 | return; |
f7ce3cc6 MCC |
326 | } |
327 | ||
80f90fba | 328 | t->type = type; |
e7ddcd98 MK |
329 | /* prevent invalid config values */ |
330 | t->config = ((new_config >= 0) && (new_config < 256)) ? new_config : 0; | |
80f90fba HH |
331 | if (tuner_callback != NULL) { |
332 | tuner_dbg("defining GPIO callback\n"); | |
d7cba043 | 333 | t->fe.callback = tuner_callback; |
80f90fba HH |
334 | } |
335 | ||
48aa336a | 336 | if (t->mode == T_UNINITIALIZED) { |
f7ce3cc6 MCC |
337 | tuner_dbg ("tuner 0x%02x: called during i2c_client register by adapter's attach_inform\n", c->addr); |
338 | ||
1da177e4 LT |
339 | return; |
340 | } | |
56fc08ca | 341 | |
b2083199 | 342 | /* discard private data, in case set_type() was previously called */ |
a07c8779 MK |
343 | tuner_detach(&t->fe); |
344 | t->fe.analog_demod_priv = NULL; | |
be2b85a1 | 345 | |
1da177e4 LT |
346 | switch (t->type) { |
347 | case TUNER_MT2032: | |
09fee5f8 MCC |
348 | if (!dvb_attach(microtune_attach, |
349 | &t->fe, t->i2c->adapter, t->i2c->addr)) | |
350 | goto attach_failed; | |
1da177e4 LT |
351 | break; |
352 | case TUNER_PHILIPS_TDA8290: | |
5bea1cd3 | 353 | { |
09fee5f8 MCC |
354 | struct tda829x_config cfg = { |
355 | .lna_cfg = t->config, | |
09fee5f8 MCC |
356 | }; |
357 | if (!dvb_attach(tda829x_attach, &t->fe, t->i2c->adapter, | |
358 | t->i2c->addr, &cfg)) | |
359 | goto attach_failed; | |
5bea1cd3 MK |
360 | break; |
361 | } | |
586b0cab | 362 | case TUNER_TEA5767: |
a07c8779 MK |
363 | if (!dvb_attach(tea5767_attach, &t->fe, |
364 | t->i2c->adapter, t->i2c->addr)) | |
b9ef6bbb | 365 | goto attach_failed; |
f7ce3cc6 | 366 | t->mode_mask = T_RADIO; |
586b0cab | 367 | break; |
8573a9e6 | 368 | case TUNER_TEA5761: |
a07c8779 MK |
369 | if (!dvb_attach(tea5761_attach, &t->fe, |
370 | t->i2c->adapter, t->i2c->addr)) | |
b9ef6bbb | 371 | goto attach_failed; |
8573a9e6 MCC |
372 | t->mode_mask = T_RADIO; |
373 | break; | |
586b0cab MCC |
374 | case TUNER_PHILIPS_FMD1216ME_MK3: |
375 | buffer[0] = 0x0b; | |
376 | buffer[1] = 0xdc; | |
377 | buffer[2] = 0x9c; | |
378 | buffer[3] = 0x60; | |
f7ce3cc6 | 379 | i2c_master_send(c, buffer, 4); |
586b0cab MCC |
380 | mdelay(1); |
381 | buffer[2] = 0x86; | |
382 | buffer[3] = 0x54; | |
f7ce3cc6 | 383 | i2c_master_send(c, buffer, 4); |
a07c8779 MK |
384 | if (!dvb_attach(simple_tuner_attach, &t->fe, |
385 | t->i2c->adapter, t->i2c->addr, t->type)) | |
b9ef6bbb | 386 | goto attach_failed; |
586b0cab | 387 | break; |
93df3413 HH |
388 | case TUNER_PHILIPS_TD1316: |
389 | buffer[0] = 0x0b; | |
390 | buffer[1] = 0xdc; | |
391 | buffer[2] = 0x86; | |
392 | buffer[3] = 0xa4; | |
a07c8779 MK |
393 | i2c_master_send(c, buffer, 4); |
394 | if (!dvb_attach(simple_tuner_attach, &t->fe, | |
395 | t->i2c->adapter, t->i2c->addr, t->type)) | |
b9ef6bbb | 396 | goto attach_failed; |
ac272ed7 | 397 | break; |
690c544c MCC |
398 | case TUNER_XC2028: |
399 | { | |
a37b4c9b ML |
400 | struct xc2028_config cfg = { |
401 | .i2c_adap = t->i2c->adapter, | |
402 | .i2c_addr = t->i2c->addr, | |
a37b4c9b | 403 | }; |
a07c8779 | 404 | if (!dvb_attach(xc2028_attach, &t->fe, &cfg)) |
b9ef6bbb | 405 | goto attach_failed; |
690c544c MCC |
406 | break; |
407 | } | |
15396236 | 408 | case TUNER_TDA9887: |
09fee5f8 MCC |
409 | if (!dvb_attach(tda9887_attach, |
410 | &t->fe, t->i2c->adapter, t->i2c->addr)) | |
411 | goto attach_failed; | |
15396236 | 412 | break; |
27c685a4 | 413 | case TUNER_XC5000: |
b9ef6bbb | 414 | { |
27c685a4 | 415 | xc5000_cfg.i2c_address = t->i2c->addr; |
ea227863 DH |
416 | /* if_khz will be set when the digital dvb_attach() occurs */ |
417 | xc5000_cfg.if_khz = 0; | |
a07c8779 | 418 | if (!dvb_attach(xc5000_attach, |
30650961 | 419 | &t->fe, t->i2c->adapter, &xc5000_cfg)) |
b9ef6bbb | 420 | goto attach_failed; |
27c685a4 | 421 | break; |
b9ef6bbb | 422 | } |
1da177e4 | 423 | default: |
a07c8779 MK |
424 | if (!dvb_attach(simple_tuner_attach, &t->fe, |
425 | t->i2c->adapter, t->i2c->addr, t->type)) | |
b9ef6bbb MCC |
426 | goto attach_failed; |
427 | ||
1da177e4 LT |
428 | break; |
429 | } | |
f7ce3cc6 | 430 | |
bc3e5c7f | 431 | if ((NULL == analog_ops->set_params) && |
1dde7a4f | 432 | (fe_tuner_ops->set_analog_params)) { |
a07c8779 | 433 | |
7271e60a | 434 | t->name = fe_tuner_ops->info.name; |
e18f9444 | 435 | |
4e9154b8 | 436 | t->fe.analog_demod_priv = t; |
e8a4a9e7 | 437 | memcpy(analog_ops, &tuner_analog_ops, |
bc3e5c7f | 438 | sizeof(struct analog_demod_ops)); |
a07c8779 | 439 | |
a55db8cd | 440 | } else { |
7271e60a | 441 | t->name = analog_ops->info.name; |
e18f9444 MK |
442 | } |
443 | ||
7271e60a | 444 | tuner_dbg("type set to %s\n", t->name); |
e18f9444 | 445 | |
f7ce3cc6 MCC |
446 | if (t->mode_mask == T_UNINITIALIZED) |
447 | t->mode_mask = new_mode_mask; | |
448 | ||
b9ef6bbb MCC |
449 | /* xc2028/3028 and xc5000 requires a firmware to be set-up later |
450 | trying to set a frequency here will just fail | |
451 | FIXME: better to move set_freq to the tuner code. This is needed | |
452 | on analog tuners for PLL to properly work | |
453 | */ | |
454 | if (t->type != TUNER_XC2028 && t->type != TUNER_XC5000) | |
455 | set_freq(c, (V4L2_TUNER_RADIO == t->mode) ? | |
456 | t->radio_freq : t->tv_freq); | |
457 | ||
f7ce3cc6 | 458 | tuner_dbg("%s %s I2C addr 0x%02x with type %d used for 0x%02x\n", |
604f28e2 | 459 | c->adapter->name, c->driver->driver.name, c->addr << 1, type, |
f7ce3cc6 | 460 | t->mode_mask); |
b9ef6bbb MCC |
461 | return; |
462 | ||
463 | attach_failed: | |
464 | tuner_dbg("Tuner attach for type = %d failed.\n", t->type); | |
465 | t->type = TUNER_ABSENT; | |
466 | t->mode_mask = T_UNINITIALIZED; | |
467 | ||
468 | return; | |
1da177e4 LT |
469 | } |
470 | ||
f7ce3cc6 MCC |
471 | /* |
472 | * This function apply tuner config to tuner specified | |
473 | * by tun_setup structure. I addr is unset, then admin status | |
474 | * and tun addr status is more precise then current status, | |
475 | * it's applied. Otherwise status and type are applied only to | |
476 | * tuner with exactly the same addr. | |
477 | */ | |
478 | ||
479 | static void set_addr(struct i2c_client *c, struct tuner_setup *tun_setup) | |
480 | { | |
e8a4a9e7 | 481 | struct tuner *t = to_tuner(i2c_get_clientdata(c)); |
f7ce3cc6 | 482 | |
de956c1e HH |
483 | if ( (t->type == UNSET && ((tun_setup->addr == ADDR_UNSET) && |
484 | (t->mode_mask & tun_setup->mode_mask))) || | |
485 | (tun_setup->addr == c->addr)) { | |
486 | set_type(c, tun_setup->type, tun_setup->mode_mask, | |
cfeb8839 | 487 | tun_setup->config, tun_setup->tuner_callback); |
b9ef6bbb MCC |
488 | } else |
489 | tuner_dbg("set addr discarded for type %i, mask %x. " | |
490 | "Asked to change tuner at addr 0x%02x, with mask %x\n", | |
491 | t->type, t->mode_mask, | |
492 | tun_setup->addr, tun_setup->mode_mask); | |
f7ce3cc6 | 493 | } |
56fc08ca | 494 | |
f7ce3cc6 | 495 | static inline int check_mode(struct tuner *t, char *cmd) |
56fc08ca | 496 | { |
793cf9e6 | 497 | if ((1 << t->mode & t->mode_mask) == 0) { |
4d3437df | 498 | return -EINVAL; |
793cf9e6 MCC |
499 | } |
500 | ||
501 | switch (t->mode) { | |
502 | case V4L2_TUNER_RADIO: | |
503 | tuner_dbg("Cmd %s accepted for radio\n", cmd); | |
504 | break; | |
505 | case V4L2_TUNER_ANALOG_TV: | |
506 | tuner_dbg("Cmd %s accepted for analog TV\n", cmd); | |
507 | break; | |
508 | case V4L2_TUNER_DIGITAL_TV: | |
509 | tuner_dbg("Cmd %s accepted for digital TV\n", cmd); | |
510 | break; | |
56fc08ca | 511 | } |
793cf9e6 | 512 | return 0; |
56fc08ca | 513 | } |
56fc08ca | 514 | |
f7ce3cc6 | 515 | /* get more precise norm info from insmod option */ |
1da177e4 LT |
516 | static int tuner_fixup_std(struct tuner *t) |
517 | { | |
518 | if ((t->std & V4L2_STD_PAL) == V4L2_STD_PAL) { | |
1da177e4 | 519 | switch (pal[0]) { |
e71ced1a HV |
520 | case '6': |
521 | tuner_dbg ("insmod fixup: PAL => PAL-60\n"); | |
522 | t->std = V4L2_STD_PAL_60; | |
523 | break; | |
1da177e4 LT |
524 | case 'b': |
525 | case 'B': | |
526 | case 'g': | |
527 | case 'G': | |
f7ce3cc6 | 528 | tuner_dbg ("insmod fixup: PAL => PAL-BG\n"); |
1da177e4 LT |
529 | t->std = V4L2_STD_PAL_BG; |
530 | break; | |
531 | case 'i': | |
532 | case 'I': | |
f7ce3cc6 | 533 | tuner_dbg ("insmod fixup: PAL => PAL-I\n"); |
1da177e4 LT |
534 | t->std = V4L2_STD_PAL_I; |
535 | break; | |
536 | case 'd': | |
537 | case 'D': | |
538 | case 'k': | |
539 | case 'K': | |
f7ce3cc6 | 540 | tuner_dbg ("insmod fixup: PAL => PAL-DK\n"); |
1da177e4 LT |
541 | t->std = V4L2_STD_PAL_DK; |
542 | break; | |
f7ce3cc6 MCC |
543 | case 'M': |
544 | case 'm': | |
545 | tuner_dbg ("insmod fixup: PAL => PAL-M\n"); | |
546 | t->std = V4L2_STD_PAL_M; | |
547 | break; | |
548 | case 'N': | |
549 | case 'n': | |
7e578191 MCC |
550 | if (pal[1] == 'c' || pal[1] == 'C') { |
551 | tuner_dbg("insmod fixup: PAL => PAL-Nc\n"); | |
552 | t->std = V4L2_STD_PAL_Nc; | |
553 | } else { | |
554 | tuner_dbg ("insmod fixup: PAL => PAL-N\n"); | |
555 | t->std = V4L2_STD_PAL_N; | |
556 | } | |
f7ce3cc6 | 557 | break; |
21d4df37 MCC |
558 | case '-': |
559 | /* default parameter, do nothing */ | |
560 | break; | |
561 | default: | |
562 | tuner_warn ("pal= argument not recognised\n"); | |
563 | break; | |
1da177e4 LT |
564 | } |
565 | } | |
f7ce3cc6 MCC |
566 | if ((t->std & V4L2_STD_SECAM) == V4L2_STD_SECAM) { |
567 | switch (secam[0]) { | |
7e578191 MCC |
568 | case 'b': |
569 | case 'B': | |
570 | case 'g': | |
571 | case 'G': | |
572 | case 'h': | |
573 | case 'H': | |
574 | tuner_dbg("insmod fixup: SECAM => SECAM-BGH\n"); | |
575 | t->std = V4L2_STD_SECAM_B | V4L2_STD_SECAM_G | V4L2_STD_SECAM_H; | |
576 | break; | |
f7ce3cc6 MCC |
577 | case 'd': |
578 | case 'D': | |
579 | case 'k': | |
580 | case 'K': | |
581 | tuner_dbg ("insmod fixup: SECAM => SECAM-DK\n"); | |
582 | t->std = V4L2_STD_SECAM_DK; | |
583 | break; | |
584 | case 'l': | |
585 | case 'L': | |
800d3c6f MCC |
586 | if ((secam[1]=='C')||(secam[1]=='c')) { |
587 | tuner_dbg ("insmod fixup: SECAM => SECAM-L'\n"); | |
588 | t->std = V4L2_STD_SECAM_LC; | |
589 | } else { | |
590 | tuner_dbg ("insmod fixup: SECAM => SECAM-L\n"); | |
591 | t->std = V4L2_STD_SECAM_L; | |
592 | } | |
f7ce3cc6 | 593 | break; |
21d4df37 MCC |
594 | case '-': |
595 | /* default parameter, do nothing */ | |
596 | break; | |
597 | default: | |
598 | tuner_warn ("secam= argument not recognised\n"); | |
599 | break; | |
f7ce3cc6 MCC |
600 | } |
601 | } | |
602 | ||
7e578191 MCC |
603 | if ((t->std & V4L2_STD_NTSC) == V4L2_STD_NTSC) { |
604 | switch (ntsc[0]) { | |
605 | case 'm': | |
606 | case 'M': | |
607 | tuner_dbg("insmod fixup: NTSC => NTSC-M\n"); | |
608 | t->std = V4L2_STD_NTSC_M; | |
609 | break; | |
610 | case 'j': | |
611 | case 'J': | |
612 | tuner_dbg("insmod fixup: NTSC => NTSC_M_JP\n"); | |
613 | t->std = V4L2_STD_NTSC_M_JP; | |
614 | break; | |
d97a11e0 HV |
615 | case 'k': |
616 | case 'K': | |
617 | tuner_dbg("insmod fixup: NTSC => NTSC_M_KR\n"); | |
618 | t->std = V4L2_STD_NTSC_M_KR; | |
619 | break; | |
7e578191 MCC |
620 | case '-': |
621 | /* default parameter, do nothing */ | |
622 | break; | |
623 | default: | |
624 | tuner_info("ntsc= argument not recognised\n"); | |
625 | break; | |
626 | } | |
627 | } | |
1da177e4 LT |
628 | return 0; |
629 | } | |
630 | ||
4e9154b8 | 631 | static void tuner_status(struct dvb_frontend *fe) |
7e578191 | 632 | { |
4e9154b8 | 633 | struct tuner *t = fe->analog_demod_priv; |
7e578191 | 634 | unsigned long freq, freq_fraction; |
a07c8779 MK |
635 | struct dvb_tuner_ops *fe_tuner_ops = &fe->ops.tuner_ops; |
636 | struct analog_demod_ops *analog_ops = &fe->ops.analog_ops; | |
7e578191 MCC |
637 | const char *p; |
638 | ||
639 | switch (t->mode) { | |
640 | case V4L2_TUNER_RADIO: p = "radio"; break; | |
641 | case V4L2_TUNER_ANALOG_TV: p = "analog TV"; break; | |
642 | case V4L2_TUNER_DIGITAL_TV: p = "digital TV"; break; | |
643 | default: p = "undefined"; break; | |
644 | } | |
645 | if (t->mode == V4L2_TUNER_RADIO) { | |
27487d44 HV |
646 | freq = t->radio_freq / 16000; |
647 | freq_fraction = (t->radio_freq % 16000) * 100 / 16000; | |
7e578191 | 648 | } else { |
27487d44 HV |
649 | freq = t->tv_freq / 16; |
650 | freq_fraction = (t->tv_freq % 16) * 100 / 16; | |
7e578191 MCC |
651 | } |
652 | tuner_info("Tuner mode: %s\n", p); | |
653 | tuner_info("Frequency: %lu.%02lu MHz\n", freq, freq_fraction); | |
4ae5c2e5 | 654 | tuner_info("Standard: 0x%08lx\n", (unsigned long)t->std); |
8a4b275f HV |
655 | if (t->mode != V4L2_TUNER_RADIO) |
656 | return; | |
e18f9444 MK |
657 | if (fe_tuner_ops->get_status) { |
658 | u32 tuner_status; | |
659 | ||
660 | fe_tuner_ops->get_status(&t->fe, &tuner_status); | |
661 | if (tuner_status & TUNER_STATUS_LOCKED) | |
662 | tuner_info("Tuner is locked.\n"); | |
663 | if (tuner_status & TUNER_STATUS_STEREO) | |
664 | tuner_info("Stereo: yes\n"); | |
665 | } | |
bc3e5c7f MK |
666 | if (analog_ops->has_signal) |
667 | tuner_info("Signal strength: %d\n", | |
668 | analog_ops->has_signal(fe)); | |
669 | if (analog_ops->is_stereo) | |
670 | tuner_info("Stereo: %s\n", | |
671 | analog_ops->is_stereo(fe) ? "yes" : "no"); | |
7e578191 | 672 | } |
8a4b275f | 673 | |
1da177e4 LT |
674 | /* ---------------------------------------------------------------------- */ |
675 | ||
f7ce3cc6 MCC |
676 | /* |
677 | * Switch tuner to other mode. If tuner support both tv and radio, | |
678 | * set another frequency to some value (This is needed for some pal | |
679 | * tuners to avoid locking). Otherwise, just put second tuner in | |
680 | * standby mode. | |
681 | */ | |
682 | ||
683 | static inline int set_mode(struct i2c_client *client, struct tuner *t, int mode, char *cmd) | |
684 | { | |
bc3e5c7f | 685 | struct analog_demod_ops *analog_ops = &t->fe.ops.analog_ops; |
1dde7a4f | 686 | |
4ac97914 MCC |
687 | if (mode == t->mode) |
688 | return 0; | |
689 | ||
690 | t->mode = mode; | |
691 | ||
4d3437df | 692 | if (check_mode(t, cmd) == -EINVAL) { |
16a5e53d MCC |
693 | tuner_dbg("Tuner doesn't support this mode. " |
694 | "Putting tuner to sleep\n"); | |
4ac97914 | 695 | t->mode = T_STANDBY; |
bc3e5c7f MK |
696 | if (analog_ops->standby) |
697 | analog_ops->standby(&t->fe); | |
4d3437df | 698 | return -EINVAL; |
4ac97914 MCC |
699 | } |
700 | return 0; | |
f7ce3cc6 MCC |
701 | } |
702 | ||
703 | #define switch_v4l2() if (!t->using_v4l2) \ | |
4ac97914 MCC |
704 | tuner_dbg("switching to v4l2\n"); \ |
705 | t->using_v4l2 = 1; | |
f7ce3cc6 MCC |
706 | |
707 | static inline int check_v4l2(struct tuner *t) | |
708 | { | |
3bbe5a83 HV |
709 | /* bttv still uses both v4l1 and v4l2 calls to the tuner (v4l2 for |
710 | TV, v4l1 for radio), until that is fixed this code is disabled. | |
711 | Otherwise the radio (v4l1) wouldn't tune after using the TV (v4l2) | |
712 | first. */ | |
f7ce3cc6 MCC |
713 | return 0; |
714 | } | |
1da177e4 | 715 | |
e8a4a9e7 | 716 | static int tuner_s_type_addr(struct v4l2_subdev *sd, struct tuner_setup *type) |
1da177e4 | 717 | { |
e8a4a9e7 HV |
718 | struct tuner *t = to_tuner(sd); |
719 | struct i2c_client *client = v4l2_get_subdevdata(sd); | |
720 | ||
721 | tuner_dbg("Calling set_type_addr for type=%d, addr=0x%02x, mode=0x%02x, config=0x%02x\n", | |
722 | type->type, | |
723 | type->addr, | |
724 | type->mode_mask, | |
725 | type->config); | |
726 | ||
727 | set_addr(client, type); | |
728 | return 0; | |
729 | } | |
730 | ||
731 | static int tuner_s_radio(struct v4l2_subdev *sd) | |
732 | { | |
733 | struct tuner *t = to_tuner(sd); | |
734 | struct i2c_client *client = v4l2_get_subdevdata(sd); | |
735 | ||
bccfa449 | 736 | if (set_mode(client, t, V4L2_TUNER_RADIO, "s_radio") == -EINVAL) |
e8a4a9e7 HV |
737 | return 0; |
738 | if (t->radio_freq) | |
739 | set_freq(client, t->radio_freq); | |
740 | return 0; | |
741 | } | |
742 | ||
7c9fc9d5 | 743 | static int tuner_s_standby(struct v4l2_subdev *sd) |
e8a4a9e7 HV |
744 | { |
745 | struct tuner *t = to_tuner(sd); | |
bc3e5c7f | 746 | struct analog_demod_ops *analog_ops = &t->fe.ops.analog_ops; |
1da177e4 | 747 | |
16a5e53d MCC |
748 | tuner_dbg("Putting tuner to sleep\n"); |
749 | ||
bccfa449 | 750 | if (check_mode(t, "s_standby") == -EINVAL) |
e8a4a9e7 HV |
751 | return 0; |
752 | t->mode = T_STANDBY; | |
753 | if (analog_ops->standby) | |
754 | analog_ops->standby(&t->fe); | |
755 | return 0; | |
756 | } | |
5e453dc7 | 757 | |
e8a4a9e7 HV |
758 | static int tuner_s_config(struct v4l2_subdev *sd, const struct v4l2_priv_tun_config *cfg) |
759 | { | |
760 | struct tuner *t = to_tuner(sd); | |
761 | struct analog_demod_ops *analog_ops = &t->fe.ops.analog_ops; | |
1da177e4 | 762 | |
e8a4a9e7 HV |
763 | if (t->type != cfg->tuner) |
764 | return 0; | |
7f171123 | 765 | |
e8a4a9e7 HV |
766 | if (analog_ops->set_config) { |
767 | analog_ops->set_config(&t->fe, cfg->priv); | |
768 | return 0; | |
7f171123 | 769 | } |
1da177e4 | 770 | |
e8a4a9e7 HV |
771 | tuner_dbg("Tuner frontend module has no way to set config\n"); |
772 | return 0; | |
773 | } | |
56fc08ca | 774 | |
e8a4a9e7 HV |
775 | /* --- v4l ioctls --- */ |
776 | /* take care: bttv does userspace copying, we'll get a | |
777 | kernel pointer here... */ | |
778 | static int tuner_s_std(struct v4l2_subdev *sd, v4l2_std_id std) | |
779 | { | |
780 | struct tuner *t = to_tuner(sd); | |
781 | struct i2c_client *client = v4l2_get_subdevdata(sd); | |
f7ce3cc6 | 782 | |
bccfa449 | 783 | if (set_mode(client, t, V4L2_TUNER_ANALOG_TV, "s_std") == -EINVAL) |
e8a4a9e7 | 784 | return 0; |
f7ce3cc6 | 785 | |
e8a4a9e7 | 786 | switch_v4l2(); |
c184ca36 | 787 | |
e8a4a9e7 HV |
788 | t->std = std; |
789 | tuner_fixup_std(t); | |
790 | if (t->tv_freq) | |
791 | set_freq(client, t->tv_freq); | |
792 | return 0; | |
793 | } | |
f7ce3cc6 | 794 | |
e8a4a9e7 HV |
795 | static int tuner_s_frequency(struct v4l2_subdev *sd, struct v4l2_frequency *f) |
796 | { | |
797 | struct tuner *t = to_tuner(sd); | |
798 | struct i2c_client *client = v4l2_get_subdevdata(sd); | |
f7ce3cc6 | 799 | |
bccfa449 | 800 | if (set_mode(client, t, f->type, "s_frequency") == -EINVAL) |
e8a4a9e7 HV |
801 | return 0; |
802 | switch_v4l2(); | |
803 | set_freq(client, f->frequency); | |
8a4b275f | 804 | |
e8a4a9e7 HV |
805 | return 0; |
806 | } | |
f7ce3cc6 | 807 | |
e8a4a9e7 HV |
808 | static int tuner_g_frequency(struct v4l2_subdev *sd, struct v4l2_frequency *f) |
809 | { | |
810 | struct tuner *t = to_tuner(sd); | |
811 | struct dvb_tuner_ops *fe_tuner_ops = &t->fe.ops.tuner_ops; | |
f7ce3cc6 | 812 | |
bccfa449 | 813 | if (check_mode(t, "g_frequency") == -EINVAL) |
e8a4a9e7 HV |
814 | return 0; |
815 | switch_v4l2(); | |
816 | f->type = t->mode; | |
817 | if (fe_tuner_ops->get_frequency) { | |
818 | u32 abs_freq; | |
819 | ||
820 | fe_tuner_ops->get_frequency(&t->fe, &abs_freq); | |
821 | f->frequency = (V4L2_TUNER_RADIO == t->mode) ? | |
822 | (abs_freq * 2 + 125/2) / 125 : | |
823 | (abs_freq + 62500/2) / 62500; | |
824 | return 0; | |
825 | } | |
826 | f->frequency = (V4L2_TUNER_RADIO == t->mode) ? | |
827 | t->radio_freq : t->tv_freq; | |
828 | return 0; | |
829 | } | |
f7ce3cc6 | 830 | |
e8a4a9e7 HV |
831 | static int tuner_g_tuner(struct v4l2_subdev *sd, struct v4l2_tuner *vt) |
832 | { | |
833 | struct tuner *t = to_tuner(sd); | |
834 | struct analog_demod_ops *analog_ops = &t->fe.ops.analog_ops; | |
835 | struct dvb_tuner_ops *fe_tuner_ops = &t->fe.ops.tuner_ops; | |
836 | ||
bccfa449 | 837 | if (check_mode(t, "g_tuner") == -EINVAL) |
e8a4a9e7 HV |
838 | return 0; |
839 | switch_v4l2(); | |
840 | ||
841 | vt->type = t->mode; | |
842 | if (analog_ops->get_afc) | |
843 | vt->afc = analog_ops->get_afc(&t->fe); | |
844 | if (t->mode == V4L2_TUNER_ANALOG_TV) | |
845 | vt->capability |= V4L2_TUNER_CAP_NORM; | |
846 | if (t->mode != V4L2_TUNER_RADIO) { | |
847 | vt->rangelow = tv_range[0] * 16; | |
848 | vt->rangehigh = tv_range[1] * 16; | |
849 | return 0; | |
850 | } | |
851 | ||
852 | /* radio mode */ | |
853 | vt->rxsubchans = | |
854 | V4L2_TUNER_SUB_MONO | V4L2_TUNER_SUB_STEREO; | |
855 | if (fe_tuner_ops->get_status) { | |
856 | u32 tuner_status; | |
857 | ||
858 | fe_tuner_ops->get_status(&t->fe, &tuner_status); | |
859 | vt->rxsubchans = | |
860 | (tuner_status & TUNER_STATUS_STEREO) ? | |
861 | V4L2_TUNER_SUB_STEREO : | |
862 | V4L2_TUNER_SUB_MONO; | |
863 | } else { | |
864 | if (analog_ops->is_stereo) { | |
865 | vt->rxsubchans = | |
866 | analog_ops->is_stereo(&t->fe) ? | |
867 | V4L2_TUNER_SUB_STEREO : | |
868 | V4L2_TUNER_SUB_MONO; | |
56fc08ca | 869 | } |
1da177e4 | 870 | } |
e8a4a9e7 HV |
871 | if (analog_ops->has_signal) |
872 | vt->signal = analog_ops->has_signal(&t->fe); | |
873 | vt->capability |= | |
874 | V4L2_TUNER_CAP_LOW | V4L2_TUNER_CAP_STEREO; | |
875 | vt->audmode = t->audmode; | |
876 | vt->rangelow = radio_range[0] * 16000; | |
877 | vt->rangehigh = radio_range[1] * 16000; | |
878 | return 0; | |
879 | } | |
880 | ||
881 | static int tuner_s_tuner(struct v4l2_subdev *sd, struct v4l2_tuner *vt) | |
882 | { | |
883 | struct tuner *t = to_tuner(sd); | |
884 | struct i2c_client *client = v4l2_get_subdevdata(sd); | |
885 | ||
bccfa449 | 886 | if (check_mode(t, "s_tuner") == -EINVAL) |
e8a4a9e7 HV |
887 | return 0; |
888 | ||
889 | switch_v4l2(); | |
890 | ||
891 | /* do nothing unless we're a radio tuner */ | |
892 | if (t->mode != V4L2_TUNER_RADIO) | |
893 | return 0; | |
894 | t->audmode = vt->audmode; | |
895 | set_radio_freq(client, t->radio_freq); | |
896 | return 0; | |
897 | } | |
898 | ||
899 | static int tuner_log_status(struct v4l2_subdev *sd) | |
900 | { | |
901 | struct tuner *t = to_tuner(sd); | |
902 | struct analog_demod_ops *analog_ops = &t->fe.ops.analog_ops; | |
1da177e4 | 903 | |
e8a4a9e7 HV |
904 | if (analog_ops->tuner_status) |
905 | analog_ops->tuner_status(&t->fe); | |
1da177e4 LT |
906 | return 0; |
907 | } | |
908 | ||
21b48a70 | 909 | static int tuner_suspend(struct i2c_client *c, pm_message_t state) |
1da177e4 | 910 | { |
e8a4a9e7 | 911 | struct tuner *t = to_tuner(i2c_get_clientdata(c)); |
1da177e4 | 912 | |
9dd659de | 913 | tuner_dbg("suspend\n"); |
1da177e4 LT |
914 | /* FIXME: power down ??? */ |
915 | return 0; | |
916 | } | |
917 | ||
21b48a70 | 918 | static int tuner_resume(struct i2c_client *c) |
1da177e4 | 919 | { |
e8a4a9e7 | 920 | struct tuner *t = to_tuner(i2c_get_clientdata(c)); |
1da177e4 | 921 | |
9dd659de | 922 | tuner_dbg("resume\n"); |
27487d44 HV |
923 | if (V4L2_TUNER_RADIO == t->mode) { |
924 | if (t->radio_freq) | |
925 | set_freq(c, t->radio_freq); | |
926 | } else { | |
927 | if (t->tv_freq) | |
928 | set_freq(c, t->tv_freq); | |
929 | } | |
1da177e4 LT |
930 | return 0; |
931 | } | |
932 | ||
75b4c260 HV |
933 | static int tuner_command(struct i2c_client *client, unsigned cmd, void *arg) |
934 | { | |
935 | struct v4l2_subdev *sd = i2c_get_clientdata(client); | |
936 | ||
937 | /* TUNER_SET_CONFIG is still called by tuner-simple.c, so we have | |
938 | to handle it here. | |
939 | There must be a better way of doing this... */ | |
940 | switch (cmd) { | |
941 | case TUNER_SET_CONFIG: | |
942 | return tuner_s_config(sd, arg); | |
943 | } | |
944 | return -ENOIOCTLCMD; | |
945 | } | |
946 | ||
e8a4a9e7 HV |
947 | /* ----------------------------------------------------------------------- */ |
948 | ||
949 | static const struct v4l2_subdev_core_ops tuner_core_ops = { | |
950 | .log_status = tuner_log_status, | |
f41737ec | 951 | .s_std = tuner_s_std, |
e8a4a9e7 HV |
952 | }; |
953 | ||
954 | static const struct v4l2_subdev_tuner_ops tuner_tuner_ops = { | |
e8a4a9e7 HV |
955 | .s_radio = tuner_s_radio, |
956 | .g_tuner = tuner_g_tuner, | |
957 | .s_tuner = tuner_s_tuner, | |
958 | .s_frequency = tuner_s_frequency, | |
959 | .g_frequency = tuner_g_frequency, | |
960 | .s_type_addr = tuner_s_type_addr, | |
961 | .s_config = tuner_s_config, | |
7c9fc9d5 | 962 | .s_standby = tuner_s_standby, |
e8a4a9e7 HV |
963 | }; |
964 | ||
965 | static const struct v4l2_subdev_ops tuner_ops = { | |
966 | .core = &tuner_core_ops, | |
967 | .tuner = &tuner_tuner_ops, | |
968 | }; | |
969 | ||
92de1f16 HV |
970 | /* ---------------------------------------------------------------------- */ |
971 | ||
c52c4d06 | 972 | static LIST_HEAD(tuner_list); |
92de1f16 HV |
973 | |
974 | /* Search for existing radio and/or TV tuners on the given I2C adapter. | |
9dd659de | 975 | Note that when this function is called from tuner_probe you can be |
92de1f16 HV |
976 | certain no other devices will be added/deleted at the same time, I2C |
977 | core protects against that. */ | |
978 | static void tuner_lookup(struct i2c_adapter *adap, | |
979 | struct tuner **radio, struct tuner **tv) | |
980 | { | |
981 | struct tuner *pos; | |
982 | ||
983 | *radio = NULL; | |
984 | *tv = NULL; | |
985 | ||
986 | list_for_each_entry(pos, &tuner_list, list) { | |
987 | int mode_mask; | |
988 | ||
989 | if (pos->i2c->adapter != adap || | |
0c846743 | 990 | strcmp(pos->i2c->driver->driver.name, "tuner")) |
92de1f16 HV |
991 | continue; |
992 | ||
993 | mode_mask = pos->mode_mask & ~T_STANDBY; | |
994 | if (*radio == NULL && mode_mask == T_RADIO) | |
995 | *radio = pos; | |
996 | /* Note: currently TDA9887 is the only demod-only | |
997 | device. If other devices appear then we need to | |
998 | make this test more general. */ | |
999 | else if (*tv == NULL && pos->type != TUNER_TDA9887 && | |
1000 | (pos->mode_mask & (T_ANALOG_TV | T_DIGITAL_TV))) | |
1001 | *tv = pos; | |
1002 | } | |
1003 | } | |
1004 | ||
1005 | /* During client attach, set_type is called by adapter's attach_inform callback. | |
9dd659de | 1006 | set_type must then be completed by tuner_probe. |
92de1f16 | 1007 | */ |
d2653e92 JD |
1008 | static int tuner_probe(struct i2c_client *client, |
1009 | const struct i2c_device_id *id) | |
92de1f16 | 1010 | { |
92de1f16 HV |
1011 | struct tuner *t; |
1012 | struct tuner *radio; | |
1013 | struct tuner *tv; | |
1014 | ||
92de1f16 | 1015 | t = kzalloc(sizeof(struct tuner), GFP_KERNEL); |
9dd659de | 1016 | if (NULL == t) |
92de1f16 | 1017 | return -ENOMEM; |
e8a4a9e7 | 1018 | v4l2_i2c_subdev_init(&t->sd, client, &tuner_ops); |
92de1f16 | 1019 | t->i2c = client; |
7271e60a | 1020 | t->name = "(tuner unset)"; |
92de1f16 HV |
1021 | t->type = UNSET; |
1022 | t->audmode = V4L2_TUNER_MODE_STEREO; | |
1023 | t->mode_mask = T_UNINITIALIZED; | |
1024 | ||
1025 | if (show_i2c) { | |
1026 | unsigned char buffer[16]; | |
1027 | int i, rc; | |
1028 | ||
1029 | memset(buffer, 0, sizeof(buffer)); | |
1030 | rc = i2c_master_recv(client, buffer, sizeof(buffer)); | |
1031 | tuner_info("I2C RECV = "); | |
1032 | for (i = 0; i < rc; i++) | |
1033 | printk(KERN_CONT "%02x ", buffer[i]); | |
1034 | printk("\n"); | |
1035 | } | |
9dd659de | 1036 | /* HACK: This test was added to avoid tuner to probe tda9840 and |
92de1f16 | 1037 | tea6415c on the MXB card */ |
9dd659de HV |
1038 | if (client->adapter->id == I2C_HW_SAA7146 && client->addr < 0x4a) { |
1039 | kfree(t); | |
92de1f16 | 1040 | return -ENODEV; |
9dd659de | 1041 | } |
92de1f16 HV |
1042 | |
1043 | /* autodetection code based on the i2c addr */ | |
1044 | if (!no_autodetect) { | |
9dd659de | 1045 | switch (client->addr) { |
92de1f16 | 1046 | case 0x10: |
a07c8779 MK |
1047 | if (tuner_symbol_probe(tea5761_autodetection, |
1048 | t->i2c->adapter, | |
1049 | t->i2c->addr) >= 0) { | |
92de1f16 HV |
1050 | t->type = TUNER_TEA5761; |
1051 | t->mode_mask = T_RADIO; | |
1052 | t->mode = T_STANDBY; | |
1053 | /* Sets freq to FM range */ | |
1054 | t->radio_freq = 87.5 * 16000; | |
1055 | tuner_lookup(t->i2c->adapter, &radio, &tv); | |
1056 | if (tv) | |
1057 | tv->mode_mask &= ~T_RADIO; | |
1058 | ||
1059 | goto register_client; | |
1060 | } | |
867e835f | 1061 | return -ENODEV; |
92de1f16 HV |
1062 | case 0x42: |
1063 | case 0x43: | |
1064 | case 0x4a: | |
1065 | case 0x4b: | |
1066 | /* If chip is not tda8290, don't register. | |
1067 | since it can be tda9887*/ | |
a07c8779 | 1068 | if (tuner_symbol_probe(tda829x_probe, t->i2c->adapter, |
b538d28c | 1069 | t->i2c->addr) >= 0) { |
92de1f16 HV |
1070 | tuner_dbg("tda829x detected\n"); |
1071 | } else { | |
1072 | /* Default is being tda9887 */ | |
1073 | t->type = TUNER_TDA9887; | |
1074 | t->mode_mask = T_RADIO | T_ANALOG_TV | | |
1075 | T_DIGITAL_TV; | |
1076 | t->mode = T_STANDBY; | |
1077 | goto register_client; | |
1078 | } | |
1079 | break; | |
1080 | case 0x60: | |
a07c8779 MK |
1081 | if (tuner_symbol_probe(tea5767_autodetection, |
1082 | t->i2c->adapter, t->i2c->addr) | |
b538d28c | 1083 | >= 0) { |
92de1f16 HV |
1084 | t->type = TUNER_TEA5767; |
1085 | t->mode_mask = T_RADIO; | |
1086 | t->mode = T_STANDBY; | |
1087 | /* Sets freq to FM range */ | |
1088 | t->radio_freq = 87.5 * 16000; | |
1089 | tuner_lookup(t->i2c->adapter, &radio, &tv); | |
1090 | if (tv) | |
1091 | tv->mode_mask &= ~T_RADIO; | |
1092 | ||
1093 | goto register_client; | |
1094 | } | |
1095 | break; | |
1096 | } | |
1097 | } | |
1098 | ||
1099 | /* Initializes only the first TV tuner on this adapter. Why only the | |
1100 | first? Because there are some devices (notably the ones with TI | |
1101 | tuners) that have more than one i2c address for the *same* device. | |
1102 | Experience shows that, except for just one case, the first | |
1103 | address is the right one. The exception is a Russian tuner | |
1104 | (ACORP_Y878F). So, the desired behavior is just to enable the | |
1105 | first found TV tuner. */ | |
1106 | tuner_lookup(t->i2c->adapter, &radio, &tv); | |
1107 | if (tv == NULL) { | |
1108 | t->mode_mask = T_ANALOG_TV | T_DIGITAL_TV; | |
1109 | if (radio == NULL) | |
1110 | t->mode_mask |= T_RADIO; | |
1111 | tuner_dbg("Setting mode_mask to 0x%02x\n", t->mode_mask); | |
1112 | t->tv_freq = 400 * 16; /* Sets freq to VHF High */ | |
1113 | t->radio_freq = 87.5 * 16000; /* Sets freq to FM range */ | |
1114 | } | |
1115 | ||
1116 | /* Should be just before return */ | |
1117 | register_client: | |
9dd659de HV |
1118 | tuner_info("chip found @ 0x%x (%s)\n", client->addr << 1, |
1119 | client->adapter->name); | |
92de1f16 HV |
1120 | |
1121 | /* Sets a default mode */ | |
1122 | if (t->mode_mask & T_ANALOG_TV) { | |
864a6b81 | 1123 | t->mode = V4L2_TUNER_ANALOG_TV; |
92de1f16 | 1124 | } else if (t->mode_mask & T_RADIO) { |
864a6b81 | 1125 | t->mode = V4L2_TUNER_RADIO; |
92de1f16 | 1126 | } else { |
864a6b81 | 1127 | t->mode = V4L2_TUNER_DIGITAL_TV; |
92de1f16 | 1128 | } |
d7cba043 | 1129 | set_type(client, t->type, t->mode_mask, t->config, t->fe.callback); |
9dd659de | 1130 | list_add_tail(&t->list, &tuner_list); |
92de1f16 HV |
1131 | return 0; |
1132 | } | |
1133 | ||
9dd659de | 1134 | static int tuner_remove(struct i2c_client *client) |
92de1f16 | 1135 | { |
e8a4a9e7 | 1136 | struct tuner *t = to_tuner(i2c_get_clientdata(client)); |
92de1f16 | 1137 | |
e8a4a9e7 | 1138 | v4l2_device_unregister_subdev(&t->sd); |
a07c8779 MK |
1139 | tuner_detach(&t->fe); |
1140 | t->fe.analog_demod_priv = NULL; | |
92de1f16 HV |
1141 | |
1142 | list_del(&t->list); | |
1143 | kfree(t); | |
92de1f16 HV |
1144 | return 0; |
1145 | } | |
1146 | ||
1da177e4 LT |
1147 | /* ----------------------------------------------------------------------- */ |
1148 | ||
af294867 JD |
1149 | /* This driver supports many devices and the idea is to let the driver |
1150 | detect which device is present. So rather than listing all supported | |
1151 | devices here, we pretend to support a single, fake device type. */ | |
1152 | static const struct i2c_device_id tuner_id[] = { | |
1153 | { "tuner", }, /* autodetect */ | |
1154 | { } | |
1155 | }; | |
1156 | MODULE_DEVICE_TABLE(i2c, tuner_id); | |
1157 | ||
9dd659de HV |
1158 | static struct v4l2_i2c_driver_data v4l2_i2c_data = { |
1159 | .name = "tuner", | |
9dd659de HV |
1160 | .probe = tuner_probe, |
1161 | .remove = tuner_remove, | |
75b4c260 | 1162 | .command = tuner_command, |
21b48a70 | 1163 | .suspend = tuner_suspend, |
9dd659de | 1164 | .resume = tuner_resume, |
af294867 | 1165 | .id_table = tuner_id, |
1da177e4 | 1166 | }; |
1da177e4 | 1167 | |
1da177e4 LT |
1168 | /* |
1169 | * Overrides for Emacs so that we follow Linus's tabbing style. | |
1170 | * --------------------------------------------------------------------------- | |
1171 | * Local variables: | |
1172 | * c-basic-offset: 8 | |
1173 | * End: | |
1174 | */ |