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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> |
96c0b7cf | 23 | #include "mt20xx.h" |
910bb3e3 | 24 | #include "tda8290.h" |
7ab10bf7 | 25 | #include "tea5761.h" |
8d0936ed | 26 | #include "tea5767.h" |
215b95ba | 27 | #include "tuner-xc2028.h" |
4adad287 | 28 | #include "tuner-simple.h" |
31c9584c | 29 | #include "tda9887.h" |
27c685a4 | 30 | #include "xc5000.h" |
93463895 | 31 | #include "tda18271.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 | 82 | struct list_head list; |
f7f427e4 MK |
83 | |
84 | /* keep track of the current settings */ | |
85 | v4l2_std_id std; | |
86 | unsigned int tv_freq; | |
87 | unsigned int radio_freq; | |
88 | unsigned int audmode; | |
89 | ||
90 | unsigned int mode; | |
91 | unsigned int mode_mask; /* Combination of allowable modes */ | |
92 | ||
93 | unsigned int type; /* chip type id */ | |
94 | unsigned int config; | |
7271e60a | 95 | const char *name; |
f7f427e4 MK |
96 | }; |
97 | ||
e8a4a9e7 HV |
98 | static inline struct tuner *to_tuner(struct v4l2_subdev *sd) |
99 | { | |
100 | return container_of(sd, struct tuner, sd); | |
101 | } | |
102 | ||
1da177e4 LT |
103 | |
104 | /* insmod options used at init time => read/only */ | |
ff699e6b DSL |
105 | static unsigned int addr; |
106 | static unsigned int no_autodetect; | |
107 | static unsigned int show_i2c; | |
fd3113e8 | 108 | |
1da177e4 | 109 | /* insmod options used at runtime => read/write */ |
ab166050 MK |
110 | static int tuner_debug; |
111 | ||
112 | #define tuner_warn(fmt, arg...) do { \ | |
113 | printk(KERN_WARNING "%s %d-%04x: " fmt, PREFIX, \ | |
114 | i2c_adapter_id(t->i2c->adapter), \ | |
115 | t->i2c->addr, ##arg); \ | |
116 | } while (0) | |
117 | ||
118 | #define tuner_info(fmt, arg...) do { \ | |
119 | printk(KERN_INFO "%s %d-%04x: " fmt, PREFIX, \ | |
120 | i2c_adapter_id(t->i2c->adapter), \ | |
121 | t->i2c->addr, ##arg); \ | |
122 | } while (0) | |
123 | ||
124 | #define tuner_err(fmt, arg...) do { \ | |
125 | printk(KERN_ERR "%s %d-%04x: " fmt, PREFIX, \ | |
126 | i2c_adapter_id(t->i2c->adapter), \ | |
127 | t->i2c->addr, ##arg); \ | |
128 | } while (0) | |
129 | ||
130 | #define tuner_dbg(fmt, arg...) do { \ | |
131 | if (tuner_debug) \ | |
132 | printk(KERN_DEBUG "%s %d-%04x: " fmt, PREFIX, \ | |
133 | i2c_adapter_id(t->i2c->adapter), \ | |
134 | t->i2c->addr, ##arg); \ | |
135 | } while (0) | |
136 | ||
137 | /* ------------------------------------------------------------------------ */ | |
1da177e4 | 138 | |
f7ce3cc6 | 139 | static unsigned int tv_range[2] = { 44, 958 }; |
1da177e4 LT |
140 | static unsigned int radio_range[2] = { 65, 108 }; |
141 | ||
7e578191 MCC |
142 | static char pal[] = "--"; |
143 | static char secam[] = "--"; | |
144 | static char ntsc[] = "-"; | |
145 | ||
f9195ded | 146 | |
7e578191 MCC |
147 | module_param(addr, int, 0444); |
148 | module_param(no_autodetect, int, 0444); | |
149 | module_param(show_i2c, int, 0444); | |
f9195ded | 150 | module_param_named(debug,tuner_debug, int, 0644); |
7e578191 MCC |
151 | module_param_string(pal, pal, sizeof(pal), 0644); |
152 | module_param_string(secam, secam, sizeof(secam), 0644); | |
153 | module_param_string(ntsc, ntsc, sizeof(ntsc), 0644); | |
f7ce3cc6 | 154 | module_param_array(tv_range, int, NULL, 0644); |
1da177e4 LT |
155 | module_param_array(radio_range, int, NULL, 0644); |
156 | ||
157 | MODULE_DESCRIPTION("device driver for various TV and TV+FM radio tuners"); | |
158 | MODULE_AUTHOR("Ralph Metzler, Gerd Knorr, Gunther Mayer"); | |
159 | MODULE_LICENSE("GPL"); | |
160 | ||
1da177e4 LT |
161 | /* ---------------------------------------------------------------------- */ |
162 | ||
c7919d52 MK |
163 | static void fe_set_params(struct dvb_frontend *fe, |
164 | struct analog_parameters *params) | |
e18f9444 | 165 | { |
4e9154b8 MK |
166 | struct dvb_tuner_ops *fe_tuner_ops = &fe->ops.tuner_ops; |
167 | struct tuner *t = fe->analog_demod_priv; | |
e18f9444 | 168 | |
e18f9444 MK |
169 | if (NULL == fe_tuner_ops->set_analog_params) { |
170 | tuner_warn("Tuner frontend module has no way to set freq\n"); | |
171 | return; | |
172 | } | |
c7919d52 | 173 | fe_tuner_ops->set_analog_params(fe, params); |
e18f9444 MK |
174 | } |
175 | ||
4e9154b8 | 176 | static void fe_standby(struct dvb_frontend *fe) |
e18f9444 | 177 | { |
4e9154b8 | 178 | struct dvb_tuner_ops *fe_tuner_ops = &fe->ops.tuner_ops; |
e18f9444 MK |
179 | |
180 | if (fe_tuner_ops->sleep) | |
4e9154b8 | 181 | fe_tuner_ops->sleep(fe); |
e18f9444 MK |
182 | } |
183 | ||
4e9154b8 | 184 | static int fe_has_signal(struct dvb_frontend *fe) |
1f5ef197 | 185 | { |
1419683d | 186 | u16 strength = 0; |
1f5ef197 | 187 | |
4e9154b8 MK |
188 | if (fe->ops.tuner_ops.get_rf_strength) |
189 | fe->ops.tuner_ops.get_rf_strength(fe, &strength); | |
1f5ef197 MK |
190 | |
191 | return strength; | |
192 | } | |
193 | ||
f1c9a281 MK |
194 | static int fe_set_config(struct dvb_frontend *fe, void *priv_cfg) |
195 | { | |
196 | struct dvb_tuner_ops *fe_tuner_ops = &fe->ops.tuner_ops; | |
197 | struct tuner *t = fe->analog_demod_priv; | |
198 | ||
199 | if (fe_tuner_ops->set_config) | |
200 | return fe_tuner_ops->set_config(fe, priv_cfg); | |
201 | ||
202 | tuner_warn("Tuner frontend module has no way to set config\n"); | |
203 | ||
204 | return 0; | |
205 | } | |
206 | ||
4e9154b8 | 207 | static void tuner_status(struct dvb_frontend *fe); |
1dde7a4f | 208 | |
e8a4a9e7 | 209 | static struct analog_demod_ops tuner_analog_ops = { |
c7919d52 | 210 | .set_params = fe_set_params, |
1dde7a4f | 211 | .standby = fe_standby, |
1dde7a4f | 212 | .has_signal = fe_has_signal, |
f1c9a281 | 213 | .set_config = fe_set_config, |
1dde7a4f MK |
214 | .tuner_status = tuner_status |
215 | }; | |
216 | ||
56fc08ca | 217 | /* Set tuner frequency, freq in Units of 62.5kHz = 1/16MHz */ |
1da177e4 LT |
218 | static void set_tv_freq(struct i2c_client *c, unsigned int freq) |
219 | { | |
e8a4a9e7 | 220 | struct tuner *t = to_tuner(i2c_get_clientdata(c)); |
bc3e5c7f | 221 | struct analog_demod_ops *analog_ops = &t->fe.ops.analog_ops; |
1da177e4 | 222 | |
c7919d52 MK |
223 | struct analog_parameters params = { |
224 | .mode = t->mode, | |
225 | .audmode = t->audmode, | |
226 | .std = t->std | |
227 | }; | |
228 | ||
1da177e4 | 229 | if (t->type == UNSET) { |
f7ce3cc6 | 230 | tuner_warn ("tuner type not set\n"); |
1da177e4 LT |
231 | return; |
232 | } | |
bc3e5c7f | 233 | if (NULL == analog_ops->set_params) { |
f7ce3cc6 | 234 | tuner_warn ("Tuner has no way to set tv freq\n"); |
1da177e4 LT |
235 | return; |
236 | } | |
f7ce3cc6 MCC |
237 | if (freq < tv_range[0] * 16 || freq > tv_range[1] * 16) { |
238 | tuner_dbg ("TV freq (%d.%02d) out of range (%d-%d)\n", | |
239 | freq / 16, freq % 16 * 100 / 16, tv_range[0], | |
240 | tv_range[1]); | |
27487d44 HV |
241 | /* V4L2 spec: if the freq is not possible then the closest |
242 | possible value should be selected */ | |
243 | if (freq < tv_range[0] * 16) | |
244 | freq = tv_range[0] * 16; | |
245 | else | |
246 | freq = tv_range[1] * 16; | |
1da177e4 | 247 | } |
c7919d52 | 248 | params.frequency = freq; |
b77bdb02 MCC |
249 | tuner_dbg("tv freq set to %lu.%02lu\n", |
250 | freq / 16, freq % 16 * 100 / 16); | |
251 | t->tv_freq = freq; | |
c7919d52 | 252 | |
bc3e5c7f | 253 | analog_ops->set_params(&t->fe, ¶ms); |
1da177e4 LT |
254 | } |
255 | ||
256 | static void set_radio_freq(struct i2c_client *c, unsigned int freq) | |
257 | { | |
e8a4a9e7 | 258 | struct tuner *t = to_tuner(i2c_get_clientdata(c)); |
bc3e5c7f | 259 | struct analog_demod_ops *analog_ops = &t->fe.ops.analog_ops; |
1da177e4 | 260 | |
c7919d52 MK |
261 | struct analog_parameters params = { |
262 | .mode = t->mode, | |
263 | .audmode = t->audmode, | |
264 | .std = t->std | |
265 | }; | |
266 | ||
1da177e4 | 267 | if (t->type == UNSET) { |
f7ce3cc6 | 268 | tuner_warn ("tuner type not set\n"); |
1da177e4 LT |
269 | return; |
270 | } | |
e545d6e2 | 271 | if (NULL == analog_ops->set_params) { |
f7ce3cc6 | 272 | tuner_warn ("tuner has no way to set radio frequency\n"); |
1da177e4 LT |
273 | return; |
274 | } | |
27487d44 | 275 | if (freq < radio_range[0] * 16000 || freq > radio_range[1] * 16000) { |
f7ce3cc6 MCC |
276 | tuner_dbg ("radio freq (%d.%02d) out of range (%d-%d)\n", |
277 | freq / 16000, freq % 16000 * 100 / 16000, | |
278 | radio_range[0], radio_range[1]); | |
27487d44 HV |
279 | /* V4L2 spec: if the freq is not possible then the closest |
280 | possible value should be selected */ | |
281 | if (freq < radio_range[0] * 16000) | |
282 | freq = radio_range[0] * 16000; | |
283 | else | |
284 | freq = radio_range[1] * 16000; | |
1da177e4 | 285 | } |
c7919d52 | 286 | params.frequency = freq; |
b77bdb02 MCC |
287 | tuner_dbg("radio freq set to %lu.%02lu\n", |
288 | freq / 16000, freq % 16000 * 100 / 16000); | |
289 | t->radio_freq = freq; | |
586b0cab | 290 | |
bc3e5c7f | 291 | analog_ops->set_params(&t->fe, ¶ms); |
1da177e4 LT |
292 | } |
293 | ||
294 | static void set_freq(struct i2c_client *c, unsigned long freq) | |
295 | { | |
e8a4a9e7 | 296 | struct tuner *t = to_tuner(i2c_get_clientdata(c)); |
1da177e4 LT |
297 | |
298 | switch (t->mode) { | |
299 | case V4L2_TUNER_RADIO: | |
f7ce3cc6 | 300 | set_radio_freq(c, freq); |
1da177e4 LT |
301 | break; |
302 | case V4L2_TUNER_ANALOG_TV: | |
303 | case V4L2_TUNER_DIGITAL_TV: | |
1da177e4 LT |
304 | set_tv_freq(c, freq); |
305 | break; | |
6cb45879 MCC |
306 | default: |
307 | tuner_dbg("freq set: unknown mode: 0x%04x!\n",t->mode); | |
1da177e4 | 308 | } |
1da177e4 LT |
309 | } |
310 | ||
27c685a4 ST |
311 | static struct xc5000_config xc5000_cfg; |
312 | ||
f7ce3cc6 | 313 | static void set_type(struct i2c_client *c, unsigned int type, |
de956c1e | 314 | unsigned int new_mode_mask, unsigned int new_config, |
d7cba043 | 315 | int (*tuner_callback) (void *dev, int component, int cmd, int arg)) |
1da177e4 | 316 | { |
e8a4a9e7 | 317 | struct tuner *t = to_tuner(i2c_get_clientdata(c)); |
e18f9444 | 318 | struct dvb_tuner_ops *fe_tuner_ops = &t->fe.ops.tuner_ops; |
bc3e5c7f | 319 | struct analog_demod_ops *analog_ops = &t->fe.ops.analog_ops; |
586b0cab | 320 | unsigned char buffer[4]; |
d6eef494 | 321 | int tune_now = 1; |
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 | 329 | /* prevent invalid config values */ |
f14a2972 | 330 | t->config = 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; |
d6eef494 | 406 | tune_now = 0; |
690c544c MCC |
407 | break; |
408 | } | |
15396236 | 409 | case TUNER_TDA9887: |
09fee5f8 MCC |
410 | if (!dvb_attach(tda9887_attach, |
411 | &t->fe, t->i2c->adapter, t->i2c->addr)) | |
412 | goto attach_failed; | |
15396236 | 413 | break; |
27c685a4 | 414 | case TUNER_XC5000: |
b9ef6bbb | 415 | { |
27c685a4 | 416 | xc5000_cfg.i2c_address = t->i2c->addr; |
ea227863 DH |
417 | /* if_khz will be set when the digital dvb_attach() occurs */ |
418 | xc5000_cfg.if_khz = 0; | |
a07c8779 | 419 | if (!dvb_attach(xc5000_attach, |
30650961 | 420 | &t->fe, t->i2c->adapter, &xc5000_cfg)) |
b9ef6bbb | 421 | goto attach_failed; |
d6eef494 | 422 | tune_now = 0; |
27c685a4 | 423 | break; |
b9ef6bbb | 424 | } |
93463895 MK |
425 | case TUNER_NXP_TDA18271: |
426 | { | |
427 | struct tda18271_config cfg = { | |
428 | .config = t->config, | |
e350d44f | 429 | .small_i2c = TDA18271_03_BYTE_CHUNK_INIT, |
93463895 MK |
430 | }; |
431 | ||
432 | if (!dvb_attach(tda18271_attach, &t->fe, t->i2c->addr, | |
433 | t->i2c->adapter, &cfg)) | |
434 | goto attach_failed; | |
d6eef494 | 435 | tune_now = 0; |
93463895 MK |
436 | break; |
437 | } | |
1da177e4 | 438 | default: |
a07c8779 MK |
439 | if (!dvb_attach(simple_tuner_attach, &t->fe, |
440 | t->i2c->adapter, t->i2c->addr, t->type)) | |
b9ef6bbb MCC |
441 | goto attach_failed; |
442 | ||
1da177e4 LT |
443 | break; |
444 | } | |
f7ce3cc6 | 445 | |
bc3e5c7f | 446 | if ((NULL == analog_ops->set_params) && |
1dde7a4f | 447 | (fe_tuner_ops->set_analog_params)) { |
a07c8779 | 448 | |
7271e60a | 449 | t->name = fe_tuner_ops->info.name; |
e18f9444 | 450 | |
4e9154b8 | 451 | t->fe.analog_demod_priv = t; |
e8a4a9e7 | 452 | memcpy(analog_ops, &tuner_analog_ops, |
bc3e5c7f | 453 | sizeof(struct analog_demod_ops)); |
a07c8779 | 454 | |
a55db8cd | 455 | } else { |
7271e60a | 456 | t->name = analog_ops->info.name; |
e18f9444 MK |
457 | } |
458 | ||
7271e60a | 459 | tuner_dbg("type set to %s\n", t->name); |
e18f9444 | 460 | |
f7ce3cc6 MCC |
461 | if (t->mode_mask == T_UNINITIALIZED) |
462 | t->mode_mask = new_mode_mask; | |
463 | ||
d6eef494 MK |
464 | /* Some tuners require more initialization setup before use, |
465 | such as firmware download or device calibration. | |
b9ef6bbb MCC |
466 | trying to set a frequency here will just fail |
467 | FIXME: better to move set_freq to the tuner code. This is needed | |
468 | on analog tuners for PLL to properly work | |
469 | */ | |
d6eef494 | 470 | if (tune_now) |
b9ef6bbb MCC |
471 | set_freq(c, (V4L2_TUNER_RADIO == t->mode) ? |
472 | t->radio_freq : t->tv_freq); | |
473 | ||
f7ce3cc6 | 474 | tuner_dbg("%s %s I2C addr 0x%02x with type %d used for 0x%02x\n", |
604f28e2 | 475 | c->adapter->name, c->driver->driver.name, c->addr << 1, type, |
f7ce3cc6 | 476 | t->mode_mask); |
b9ef6bbb MCC |
477 | return; |
478 | ||
479 | attach_failed: | |
480 | tuner_dbg("Tuner attach for type = %d failed.\n", t->type); | |
481 | t->type = TUNER_ABSENT; | |
482 | t->mode_mask = T_UNINITIALIZED; | |
483 | ||
484 | return; | |
1da177e4 LT |
485 | } |
486 | ||
f7ce3cc6 MCC |
487 | /* |
488 | * This function apply tuner config to tuner specified | |
489 | * by tun_setup structure. I addr is unset, then admin status | |
490 | * and tun addr status is more precise then current status, | |
491 | * it's applied. Otherwise status and type are applied only to | |
492 | * tuner with exactly the same addr. | |
493 | */ | |
494 | ||
495 | static void set_addr(struct i2c_client *c, struct tuner_setup *tun_setup) | |
496 | { | |
e8a4a9e7 | 497 | struct tuner *t = to_tuner(i2c_get_clientdata(c)); |
f7ce3cc6 | 498 | |
de956c1e HH |
499 | if ( (t->type == UNSET && ((tun_setup->addr == ADDR_UNSET) && |
500 | (t->mode_mask & tun_setup->mode_mask))) || | |
501 | (tun_setup->addr == c->addr)) { | |
502 | set_type(c, tun_setup->type, tun_setup->mode_mask, | |
cfeb8839 | 503 | tun_setup->config, tun_setup->tuner_callback); |
b9ef6bbb MCC |
504 | } else |
505 | tuner_dbg("set addr discarded for type %i, mask %x. " | |
506 | "Asked to change tuner at addr 0x%02x, with mask %x\n", | |
507 | t->type, t->mode_mask, | |
508 | tun_setup->addr, tun_setup->mode_mask); | |
f7ce3cc6 | 509 | } |
56fc08ca | 510 | |
f7ce3cc6 | 511 | static inline int check_mode(struct tuner *t, char *cmd) |
56fc08ca | 512 | { |
793cf9e6 | 513 | if ((1 << t->mode & t->mode_mask) == 0) { |
4d3437df | 514 | return -EINVAL; |
793cf9e6 MCC |
515 | } |
516 | ||
517 | switch (t->mode) { | |
518 | case V4L2_TUNER_RADIO: | |
519 | tuner_dbg("Cmd %s accepted for radio\n", cmd); | |
520 | break; | |
521 | case V4L2_TUNER_ANALOG_TV: | |
522 | tuner_dbg("Cmd %s accepted for analog TV\n", cmd); | |
523 | break; | |
524 | case V4L2_TUNER_DIGITAL_TV: | |
525 | tuner_dbg("Cmd %s accepted for digital TV\n", cmd); | |
526 | break; | |
56fc08ca | 527 | } |
793cf9e6 | 528 | return 0; |
56fc08ca | 529 | } |
56fc08ca | 530 | |
f7ce3cc6 | 531 | /* get more precise norm info from insmod option */ |
1da177e4 LT |
532 | static int tuner_fixup_std(struct tuner *t) |
533 | { | |
534 | if ((t->std & V4L2_STD_PAL) == V4L2_STD_PAL) { | |
1da177e4 | 535 | switch (pal[0]) { |
e71ced1a HV |
536 | case '6': |
537 | tuner_dbg ("insmod fixup: PAL => PAL-60\n"); | |
538 | t->std = V4L2_STD_PAL_60; | |
539 | break; | |
1da177e4 LT |
540 | case 'b': |
541 | case 'B': | |
542 | case 'g': | |
543 | case 'G': | |
f7ce3cc6 | 544 | tuner_dbg ("insmod fixup: PAL => PAL-BG\n"); |
1da177e4 LT |
545 | t->std = V4L2_STD_PAL_BG; |
546 | break; | |
547 | case 'i': | |
548 | case 'I': | |
f7ce3cc6 | 549 | tuner_dbg ("insmod fixup: PAL => PAL-I\n"); |
1da177e4 LT |
550 | t->std = V4L2_STD_PAL_I; |
551 | break; | |
552 | case 'd': | |
553 | case 'D': | |
554 | case 'k': | |
555 | case 'K': | |
f7ce3cc6 | 556 | tuner_dbg ("insmod fixup: PAL => PAL-DK\n"); |
1da177e4 LT |
557 | t->std = V4L2_STD_PAL_DK; |
558 | break; | |
f7ce3cc6 MCC |
559 | case 'M': |
560 | case 'm': | |
561 | tuner_dbg ("insmod fixup: PAL => PAL-M\n"); | |
562 | t->std = V4L2_STD_PAL_M; | |
563 | break; | |
564 | case 'N': | |
565 | case 'n': | |
7e578191 MCC |
566 | if (pal[1] == 'c' || pal[1] == 'C') { |
567 | tuner_dbg("insmod fixup: PAL => PAL-Nc\n"); | |
568 | t->std = V4L2_STD_PAL_Nc; | |
569 | } else { | |
570 | tuner_dbg ("insmod fixup: PAL => PAL-N\n"); | |
571 | t->std = V4L2_STD_PAL_N; | |
572 | } | |
f7ce3cc6 | 573 | break; |
21d4df37 MCC |
574 | case '-': |
575 | /* default parameter, do nothing */ | |
576 | break; | |
577 | default: | |
578 | tuner_warn ("pal= argument not recognised\n"); | |
579 | break; | |
1da177e4 LT |
580 | } |
581 | } | |
f7ce3cc6 MCC |
582 | if ((t->std & V4L2_STD_SECAM) == V4L2_STD_SECAM) { |
583 | switch (secam[0]) { | |
7e578191 MCC |
584 | case 'b': |
585 | case 'B': | |
586 | case 'g': | |
587 | case 'G': | |
588 | case 'h': | |
589 | case 'H': | |
590 | tuner_dbg("insmod fixup: SECAM => SECAM-BGH\n"); | |
591 | t->std = V4L2_STD_SECAM_B | V4L2_STD_SECAM_G | V4L2_STD_SECAM_H; | |
592 | break; | |
f7ce3cc6 MCC |
593 | case 'd': |
594 | case 'D': | |
595 | case 'k': | |
596 | case 'K': | |
597 | tuner_dbg ("insmod fixup: SECAM => SECAM-DK\n"); | |
598 | t->std = V4L2_STD_SECAM_DK; | |
599 | break; | |
600 | case 'l': | |
601 | case 'L': | |
800d3c6f MCC |
602 | if ((secam[1]=='C')||(secam[1]=='c')) { |
603 | tuner_dbg ("insmod fixup: SECAM => SECAM-L'\n"); | |
604 | t->std = V4L2_STD_SECAM_LC; | |
605 | } else { | |
606 | tuner_dbg ("insmod fixup: SECAM => SECAM-L\n"); | |
607 | t->std = V4L2_STD_SECAM_L; | |
608 | } | |
f7ce3cc6 | 609 | break; |
21d4df37 MCC |
610 | case '-': |
611 | /* default parameter, do nothing */ | |
612 | break; | |
613 | default: | |
614 | tuner_warn ("secam= argument not recognised\n"); | |
615 | break; | |
f7ce3cc6 MCC |
616 | } |
617 | } | |
618 | ||
7e578191 MCC |
619 | if ((t->std & V4L2_STD_NTSC) == V4L2_STD_NTSC) { |
620 | switch (ntsc[0]) { | |
621 | case 'm': | |
622 | case 'M': | |
623 | tuner_dbg("insmod fixup: NTSC => NTSC-M\n"); | |
624 | t->std = V4L2_STD_NTSC_M; | |
625 | break; | |
626 | case 'j': | |
627 | case 'J': | |
628 | tuner_dbg("insmod fixup: NTSC => NTSC_M_JP\n"); | |
629 | t->std = V4L2_STD_NTSC_M_JP; | |
630 | break; | |
d97a11e0 HV |
631 | case 'k': |
632 | case 'K': | |
633 | tuner_dbg("insmod fixup: NTSC => NTSC_M_KR\n"); | |
634 | t->std = V4L2_STD_NTSC_M_KR; | |
635 | break; | |
7e578191 MCC |
636 | case '-': |
637 | /* default parameter, do nothing */ | |
638 | break; | |
639 | default: | |
640 | tuner_info("ntsc= argument not recognised\n"); | |
641 | break; | |
642 | } | |
643 | } | |
1da177e4 LT |
644 | return 0; |
645 | } | |
646 | ||
4e9154b8 | 647 | static void tuner_status(struct dvb_frontend *fe) |
7e578191 | 648 | { |
4e9154b8 | 649 | struct tuner *t = fe->analog_demod_priv; |
7e578191 | 650 | unsigned long freq, freq_fraction; |
a07c8779 MK |
651 | struct dvb_tuner_ops *fe_tuner_ops = &fe->ops.tuner_ops; |
652 | struct analog_demod_ops *analog_ops = &fe->ops.analog_ops; | |
7e578191 MCC |
653 | const char *p; |
654 | ||
655 | switch (t->mode) { | |
656 | case V4L2_TUNER_RADIO: p = "radio"; break; | |
657 | case V4L2_TUNER_ANALOG_TV: p = "analog TV"; break; | |
658 | case V4L2_TUNER_DIGITAL_TV: p = "digital TV"; break; | |
659 | default: p = "undefined"; break; | |
660 | } | |
661 | if (t->mode == V4L2_TUNER_RADIO) { | |
27487d44 HV |
662 | freq = t->radio_freq / 16000; |
663 | freq_fraction = (t->radio_freq % 16000) * 100 / 16000; | |
7e578191 | 664 | } else { |
27487d44 HV |
665 | freq = t->tv_freq / 16; |
666 | freq_fraction = (t->tv_freq % 16) * 100 / 16; | |
7e578191 MCC |
667 | } |
668 | tuner_info("Tuner mode: %s\n", p); | |
669 | tuner_info("Frequency: %lu.%02lu MHz\n", freq, freq_fraction); | |
4ae5c2e5 | 670 | tuner_info("Standard: 0x%08lx\n", (unsigned long)t->std); |
8a4b275f HV |
671 | if (t->mode != V4L2_TUNER_RADIO) |
672 | return; | |
e18f9444 MK |
673 | if (fe_tuner_ops->get_status) { |
674 | u32 tuner_status; | |
675 | ||
676 | fe_tuner_ops->get_status(&t->fe, &tuner_status); | |
677 | if (tuner_status & TUNER_STATUS_LOCKED) | |
678 | tuner_info("Tuner is locked.\n"); | |
679 | if (tuner_status & TUNER_STATUS_STEREO) | |
680 | tuner_info("Stereo: yes\n"); | |
681 | } | |
bc3e5c7f MK |
682 | if (analog_ops->has_signal) |
683 | tuner_info("Signal strength: %d\n", | |
684 | analog_ops->has_signal(fe)); | |
7e578191 | 685 | } |
8a4b275f | 686 | |
1da177e4 LT |
687 | /* ---------------------------------------------------------------------- */ |
688 | ||
f7ce3cc6 MCC |
689 | /* |
690 | * Switch tuner to other mode. If tuner support both tv and radio, | |
691 | * set another frequency to some value (This is needed for some pal | |
692 | * tuners to avoid locking). Otherwise, just put second tuner in | |
693 | * standby mode. | |
694 | */ | |
695 | ||
696 | static inline int set_mode(struct i2c_client *client, struct tuner *t, int mode, char *cmd) | |
697 | { | |
bc3e5c7f | 698 | struct analog_demod_ops *analog_ops = &t->fe.ops.analog_ops; |
1dde7a4f | 699 | |
4ac97914 MCC |
700 | if (mode == t->mode) |
701 | return 0; | |
702 | ||
703 | t->mode = mode; | |
704 | ||
4d3437df | 705 | if (check_mode(t, cmd) == -EINVAL) { |
16a5e53d MCC |
706 | tuner_dbg("Tuner doesn't support this mode. " |
707 | "Putting tuner to sleep\n"); | |
4ac97914 | 708 | t->mode = T_STANDBY; |
bc3e5c7f MK |
709 | if (analog_ops->standby) |
710 | analog_ops->standby(&t->fe); | |
4d3437df | 711 | return -EINVAL; |
4ac97914 MCC |
712 | } |
713 | return 0; | |
f7ce3cc6 MCC |
714 | } |
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 | ||
622b828a | 743 | static int tuner_s_power(struct v4l2_subdev *sd, int on) |
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 | |
622b828a LP |
748 | if (on) |
749 | return 0; | |
750 | ||
16a5e53d MCC |
751 | tuner_dbg("Putting tuner to sleep\n"); |
752 | ||
622b828a | 753 | if (check_mode(t, "s_power") == -EINVAL) |
e8a4a9e7 HV |
754 | return 0; |
755 | t->mode = T_STANDBY; | |
756 | if (analog_ops->standby) | |
757 | analog_ops->standby(&t->fe); | |
758 | return 0; | |
759 | } | |
5e453dc7 | 760 | |
e8a4a9e7 HV |
761 | static int tuner_s_config(struct v4l2_subdev *sd, const struct v4l2_priv_tun_config *cfg) |
762 | { | |
763 | struct tuner *t = to_tuner(sd); | |
764 | struct analog_demod_ops *analog_ops = &t->fe.ops.analog_ops; | |
1da177e4 | 765 | |
e8a4a9e7 HV |
766 | if (t->type != cfg->tuner) |
767 | return 0; | |
7f171123 | 768 | |
e8a4a9e7 HV |
769 | if (analog_ops->set_config) { |
770 | analog_ops->set_config(&t->fe, cfg->priv); | |
771 | return 0; | |
7f171123 | 772 | } |
1da177e4 | 773 | |
e8a4a9e7 HV |
774 | tuner_dbg("Tuner frontend module has no way to set config\n"); |
775 | return 0; | |
776 | } | |
56fc08ca | 777 | |
e8a4a9e7 HV |
778 | /* --- v4l ioctls --- */ |
779 | /* take care: bttv does userspace copying, we'll get a | |
780 | kernel pointer here... */ | |
781 | static int tuner_s_std(struct v4l2_subdev *sd, v4l2_std_id std) | |
782 | { | |
783 | struct tuner *t = to_tuner(sd); | |
784 | struct i2c_client *client = v4l2_get_subdevdata(sd); | |
f7ce3cc6 | 785 | |
bccfa449 | 786 | if (set_mode(client, t, V4L2_TUNER_ANALOG_TV, "s_std") == -EINVAL) |
e8a4a9e7 | 787 | return 0; |
f7ce3cc6 | 788 | |
e8a4a9e7 HV |
789 | t->std = std; |
790 | tuner_fixup_std(t); | |
791 | if (t->tv_freq) | |
792 | set_freq(client, t->tv_freq); | |
793 | return 0; | |
794 | } | |
f7ce3cc6 | 795 | |
e8a4a9e7 HV |
796 | static int tuner_s_frequency(struct v4l2_subdev *sd, struct v4l2_frequency *f) |
797 | { | |
798 | struct tuner *t = to_tuner(sd); | |
799 | struct i2c_client *client = v4l2_get_subdevdata(sd); | |
f7ce3cc6 | 800 | |
bccfa449 | 801 | if (set_mode(client, t, f->type, "s_frequency") == -EINVAL) |
e8a4a9e7 | 802 | return 0; |
e8a4a9e7 | 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 | 814 | return 0; |
e8a4a9e7 HV |
815 | f->type = t->mode; |
816 | if (fe_tuner_ops->get_frequency) { | |
817 | u32 abs_freq; | |
818 | ||
819 | fe_tuner_ops->get_frequency(&t->fe, &abs_freq); | |
820 | f->frequency = (V4L2_TUNER_RADIO == t->mode) ? | |
75b697f7 JL |
821 | DIV_ROUND_CLOSEST(abs_freq * 2, 125) : |
822 | DIV_ROUND_CLOSEST(abs_freq, 62500); | |
e8a4a9e7 HV |
823 | return 0; |
824 | } | |
825 | f->frequency = (V4L2_TUNER_RADIO == t->mode) ? | |
826 | t->radio_freq : t->tv_freq; | |
827 | return 0; | |
828 | } | |
f7ce3cc6 | 829 | |
e8a4a9e7 HV |
830 | static int tuner_g_tuner(struct v4l2_subdev *sd, struct v4l2_tuner *vt) |
831 | { | |
832 | struct tuner *t = to_tuner(sd); | |
833 | struct analog_demod_ops *analog_ops = &t->fe.ops.analog_ops; | |
834 | struct dvb_tuner_ops *fe_tuner_ops = &t->fe.ops.tuner_ops; | |
835 | ||
bccfa449 | 836 | if (check_mode(t, "g_tuner") == -EINVAL) |
e8a4a9e7 | 837 | return 0; |
e8a4a9e7 HV |
838 | |
839 | vt->type = t->mode; | |
840 | if (analog_ops->get_afc) | |
841 | vt->afc = analog_ops->get_afc(&t->fe); | |
842 | if (t->mode == V4L2_TUNER_ANALOG_TV) | |
843 | vt->capability |= V4L2_TUNER_CAP_NORM; | |
844 | if (t->mode != V4L2_TUNER_RADIO) { | |
845 | vt->rangelow = tv_range[0] * 16; | |
846 | vt->rangehigh = tv_range[1] * 16; | |
847 | return 0; | |
848 | } | |
849 | ||
850 | /* radio mode */ | |
851 | vt->rxsubchans = | |
852 | V4L2_TUNER_SUB_MONO | V4L2_TUNER_SUB_STEREO; | |
853 | if (fe_tuner_ops->get_status) { | |
854 | u32 tuner_status; | |
855 | ||
856 | fe_tuner_ops->get_status(&t->fe, &tuner_status); | |
857 | vt->rxsubchans = | |
858 | (tuner_status & TUNER_STATUS_STEREO) ? | |
859 | V4L2_TUNER_SUB_STEREO : | |
860 | V4L2_TUNER_SUB_MONO; | |
1da177e4 | 861 | } |
e8a4a9e7 HV |
862 | if (analog_ops->has_signal) |
863 | vt->signal = analog_ops->has_signal(&t->fe); | |
864 | vt->capability |= | |
865 | V4L2_TUNER_CAP_LOW | V4L2_TUNER_CAP_STEREO; | |
866 | vt->audmode = t->audmode; | |
867 | vt->rangelow = radio_range[0] * 16000; | |
868 | vt->rangehigh = radio_range[1] * 16000; | |
869 | return 0; | |
870 | } | |
871 | ||
872 | static int tuner_s_tuner(struct v4l2_subdev *sd, struct v4l2_tuner *vt) | |
873 | { | |
874 | struct tuner *t = to_tuner(sd); | |
875 | struct i2c_client *client = v4l2_get_subdevdata(sd); | |
876 | ||
bccfa449 | 877 | if (check_mode(t, "s_tuner") == -EINVAL) |
e8a4a9e7 HV |
878 | return 0; |
879 | ||
e8a4a9e7 HV |
880 | /* do nothing unless we're a radio tuner */ |
881 | if (t->mode != V4L2_TUNER_RADIO) | |
882 | return 0; | |
883 | t->audmode = vt->audmode; | |
884 | set_radio_freq(client, t->radio_freq); | |
885 | return 0; | |
886 | } | |
887 | ||
888 | static int tuner_log_status(struct v4l2_subdev *sd) | |
889 | { | |
890 | struct tuner *t = to_tuner(sd); | |
891 | struct analog_demod_ops *analog_ops = &t->fe.ops.analog_ops; | |
1da177e4 | 892 | |
e8a4a9e7 HV |
893 | if (analog_ops->tuner_status) |
894 | analog_ops->tuner_status(&t->fe); | |
1da177e4 LT |
895 | return 0; |
896 | } | |
897 | ||
21b48a70 | 898 | static int tuner_suspend(struct i2c_client *c, pm_message_t state) |
1da177e4 | 899 | { |
e8a4a9e7 | 900 | struct tuner *t = to_tuner(i2c_get_clientdata(c)); |
1da177e4 | 901 | |
9dd659de | 902 | tuner_dbg("suspend\n"); |
1da177e4 LT |
903 | /* FIXME: power down ??? */ |
904 | return 0; | |
905 | } | |
906 | ||
21b48a70 | 907 | static int tuner_resume(struct i2c_client *c) |
1da177e4 | 908 | { |
e8a4a9e7 | 909 | struct tuner *t = to_tuner(i2c_get_clientdata(c)); |
1da177e4 | 910 | |
9dd659de | 911 | tuner_dbg("resume\n"); |
27487d44 HV |
912 | if (V4L2_TUNER_RADIO == t->mode) { |
913 | if (t->radio_freq) | |
914 | set_freq(c, t->radio_freq); | |
915 | } else { | |
916 | if (t->tv_freq) | |
917 | set_freq(c, t->tv_freq); | |
918 | } | |
1da177e4 LT |
919 | return 0; |
920 | } | |
921 | ||
75b4c260 HV |
922 | static int tuner_command(struct i2c_client *client, unsigned cmd, void *arg) |
923 | { | |
924 | struct v4l2_subdev *sd = i2c_get_clientdata(client); | |
925 | ||
926 | /* TUNER_SET_CONFIG is still called by tuner-simple.c, so we have | |
927 | to handle it here. | |
928 | There must be a better way of doing this... */ | |
929 | switch (cmd) { | |
930 | case TUNER_SET_CONFIG: | |
931 | return tuner_s_config(sd, arg); | |
932 | } | |
933 | return -ENOIOCTLCMD; | |
934 | } | |
935 | ||
e8a4a9e7 HV |
936 | /* ----------------------------------------------------------------------- */ |
937 | ||
938 | static const struct v4l2_subdev_core_ops tuner_core_ops = { | |
939 | .log_status = tuner_log_status, | |
f41737ec | 940 | .s_std = tuner_s_std, |
622b828a | 941 | .s_power = tuner_s_power, |
e8a4a9e7 HV |
942 | }; |
943 | ||
944 | static const struct v4l2_subdev_tuner_ops tuner_tuner_ops = { | |
e8a4a9e7 HV |
945 | .s_radio = tuner_s_radio, |
946 | .g_tuner = tuner_g_tuner, | |
947 | .s_tuner = tuner_s_tuner, | |
948 | .s_frequency = tuner_s_frequency, | |
949 | .g_frequency = tuner_g_frequency, | |
950 | .s_type_addr = tuner_s_type_addr, | |
951 | .s_config = tuner_s_config, | |
952 | }; | |
953 | ||
954 | static const struct v4l2_subdev_ops tuner_ops = { | |
955 | .core = &tuner_core_ops, | |
956 | .tuner = &tuner_tuner_ops, | |
957 | }; | |
958 | ||
92de1f16 HV |
959 | /* ---------------------------------------------------------------------- */ |
960 | ||
c52c4d06 | 961 | static LIST_HEAD(tuner_list); |
92de1f16 HV |
962 | |
963 | /* Search for existing radio and/or TV tuners on the given I2C adapter. | |
9dd659de | 964 | Note that when this function is called from tuner_probe you can be |
92de1f16 HV |
965 | certain no other devices will be added/deleted at the same time, I2C |
966 | core protects against that. */ | |
967 | static void tuner_lookup(struct i2c_adapter *adap, | |
968 | struct tuner **radio, struct tuner **tv) | |
969 | { | |
970 | struct tuner *pos; | |
971 | ||
972 | *radio = NULL; | |
973 | *tv = NULL; | |
974 | ||
975 | list_for_each_entry(pos, &tuner_list, list) { | |
976 | int mode_mask; | |
977 | ||
978 | if (pos->i2c->adapter != adap || | |
0c846743 | 979 | strcmp(pos->i2c->driver->driver.name, "tuner")) |
92de1f16 HV |
980 | continue; |
981 | ||
982 | mode_mask = pos->mode_mask & ~T_STANDBY; | |
983 | if (*radio == NULL && mode_mask == T_RADIO) | |
984 | *radio = pos; | |
985 | /* Note: currently TDA9887 is the only demod-only | |
986 | device. If other devices appear then we need to | |
987 | make this test more general. */ | |
988 | else if (*tv == NULL && pos->type != TUNER_TDA9887 && | |
989 | (pos->mode_mask & (T_ANALOG_TV | T_DIGITAL_TV))) | |
990 | *tv = pos; | |
991 | } | |
992 | } | |
993 | ||
994 | /* During client attach, set_type is called by adapter's attach_inform callback. | |
9dd659de | 995 | set_type must then be completed by tuner_probe. |
92de1f16 | 996 | */ |
d2653e92 JD |
997 | static int tuner_probe(struct i2c_client *client, |
998 | const struct i2c_device_id *id) | |
92de1f16 | 999 | { |
92de1f16 HV |
1000 | struct tuner *t; |
1001 | struct tuner *radio; | |
1002 | struct tuner *tv; | |
1003 | ||
92de1f16 | 1004 | t = kzalloc(sizeof(struct tuner), GFP_KERNEL); |
9dd659de | 1005 | if (NULL == t) |
92de1f16 | 1006 | return -ENOMEM; |
e8a4a9e7 | 1007 | v4l2_i2c_subdev_init(&t->sd, client, &tuner_ops); |
92de1f16 | 1008 | t->i2c = client; |
7271e60a | 1009 | t->name = "(tuner unset)"; |
92de1f16 HV |
1010 | t->type = UNSET; |
1011 | t->audmode = V4L2_TUNER_MODE_STEREO; | |
1012 | t->mode_mask = T_UNINITIALIZED; | |
1013 | ||
1014 | if (show_i2c) { | |
1015 | unsigned char buffer[16]; | |
1016 | int i, rc; | |
1017 | ||
1018 | memset(buffer, 0, sizeof(buffer)); | |
1019 | rc = i2c_master_recv(client, buffer, sizeof(buffer)); | |
1020 | tuner_info("I2C RECV = "); | |
1021 | for (i = 0; i < rc; i++) | |
1022 | printk(KERN_CONT "%02x ", buffer[i]); | |
1023 | printk("\n"); | |
1024 | } | |
92de1f16 HV |
1025 | |
1026 | /* autodetection code based on the i2c addr */ | |
1027 | if (!no_autodetect) { | |
9dd659de | 1028 | switch (client->addr) { |
92de1f16 | 1029 | case 0x10: |
a07c8779 MK |
1030 | if (tuner_symbol_probe(tea5761_autodetection, |
1031 | t->i2c->adapter, | |
1032 | t->i2c->addr) >= 0) { | |
92de1f16 HV |
1033 | t->type = TUNER_TEA5761; |
1034 | t->mode_mask = T_RADIO; | |
1035 | t->mode = T_STANDBY; | |
1036 | /* Sets freq to FM range */ | |
1037 | t->radio_freq = 87.5 * 16000; | |
1038 | tuner_lookup(t->i2c->adapter, &radio, &tv); | |
1039 | if (tv) | |
1040 | tv->mode_mask &= ~T_RADIO; | |
1041 | ||
1042 | goto register_client; | |
1043 | } | |
a570fb6e | 1044 | kfree(t); |
867e835f | 1045 | return -ENODEV; |
92de1f16 HV |
1046 | case 0x42: |
1047 | case 0x43: | |
1048 | case 0x4a: | |
1049 | case 0x4b: | |
1050 | /* If chip is not tda8290, don't register. | |
1051 | since it can be tda9887*/ | |
a07c8779 | 1052 | if (tuner_symbol_probe(tda829x_probe, t->i2c->adapter, |
b538d28c | 1053 | t->i2c->addr) >= 0) { |
92de1f16 HV |
1054 | tuner_dbg("tda829x detected\n"); |
1055 | } else { | |
1056 | /* Default is being tda9887 */ | |
1057 | t->type = TUNER_TDA9887; | |
1058 | t->mode_mask = T_RADIO | T_ANALOG_TV | | |
1059 | T_DIGITAL_TV; | |
1060 | t->mode = T_STANDBY; | |
1061 | goto register_client; | |
1062 | } | |
1063 | break; | |
1064 | case 0x60: | |
a07c8779 MK |
1065 | if (tuner_symbol_probe(tea5767_autodetection, |
1066 | t->i2c->adapter, t->i2c->addr) | |
b538d28c | 1067 | >= 0) { |
92de1f16 HV |
1068 | t->type = TUNER_TEA5767; |
1069 | t->mode_mask = T_RADIO; | |
1070 | t->mode = T_STANDBY; | |
1071 | /* Sets freq to FM range */ | |
1072 | t->radio_freq = 87.5 * 16000; | |
1073 | tuner_lookup(t->i2c->adapter, &radio, &tv); | |
1074 | if (tv) | |
1075 | tv->mode_mask &= ~T_RADIO; | |
1076 | ||
1077 | goto register_client; | |
1078 | } | |
1079 | break; | |
1080 | } | |
1081 | } | |
1082 | ||
1083 | /* Initializes only the first TV tuner on this adapter. Why only the | |
1084 | first? Because there are some devices (notably the ones with TI | |
1085 | tuners) that have more than one i2c address for the *same* device. | |
1086 | Experience shows that, except for just one case, the first | |
1087 | address is the right one. The exception is a Russian tuner | |
1088 | (ACORP_Y878F). So, the desired behavior is just to enable the | |
1089 | first found TV tuner. */ | |
1090 | tuner_lookup(t->i2c->adapter, &radio, &tv); | |
1091 | if (tv == NULL) { | |
1092 | t->mode_mask = T_ANALOG_TV | T_DIGITAL_TV; | |
1093 | if (radio == NULL) | |
1094 | t->mode_mask |= T_RADIO; | |
1095 | tuner_dbg("Setting mode_mask to 0x%02x\n", t->mode_mask); | |
1096 | t->tv_freq = 400 * 16; /* Sets freq to VHF High */ | |
1097 | t->radio_freq = 87.5 * 16000; /* Sets freq to FM range */ | |
1098 | } | |
1099 | ||
1100 | /* Should be just before return */ | |
1101 | register_client: | |
9dd659de HV |
1102 | tuner_info("chip found @ 0x%x (%s)\n", client->addr << 1, |
1103 | client->adapter->name); | |
92de1f16 HV |
1104 | |
1105 | /* Sets a default mode */ | |
1106 | if (t->mode_mask & T_ANALOG_TV) { | |
864a6b81 | 1107 | t->mode = V4L2_TUNER_ANALOG_TV; |
92de1f16 | 1108 | } else if (t->mode_mask & T_RADIO) { |
864a6b81 | 1109 | t->mode = V4L2_TUNER_RADIO; |
92de1f16 | 1110 | } else { |
864a6b81 | 1111 | t->mode = V4L2_TUNER_DIGITAL_TV; |
92de1f16 | 1112 | } |
d7cba043 | 1113 | set_type(client, t->type, t->mode_mask, t->config, t->fe.callback); |
9dd659de | 1114 | list_add_tail(&t->list, &tuner_list); |
92de1f16 HV |
1115 | return 0; |
1116 | } | |
1117 | ||
9dd659de | 1118 | static int tuner_remove(struct i2c_client *client) |
92de1f16 | 1119 | { |
e8a4a9e7 | 1120 | struct tuner *t = to_tuner(i2c_get_clientdata(client)); |
92de1f16 | 1121 | |
e8a4a9e7 | 1122 | v4l2_device_unregister_subdev(&t->sd); |
a07c8779 MK |
1123 | tuner_detach(&t->fe); |
1124 | t->fe.analog_demod_priv = NULL; | |
92de1f16 HV |
1125 | |
1126 | list_del(&t->list); | |
1127 | kfree(t); | |
92de1f16 HV |
1128 | return 0; |
1129 | } | |
1130 | ||
1da177e4 LT |
1131 | /* ----------------------------------------------------------------------- */ |
1132 | ||
af294867 JD |
1133 | /* This driver supports many devices and the idea is to let the driver |
1134 | detect which device is present. So rather than listing all supported | |
1135 | devices here, we pretend to support a single, fake device type. */ | |
1136 | static const struct i2c_device_id tuner_id[] = { | |
1137 | { "tuner", }, /* autodetect */ | |
1138 | { } | |
1139 | }; | |
1140 | MODULE_DEVICE_TABLE(i2c, tuner_id); | |
1141 | ||
02a2098a HV |
1142 | static struct i2c_driver tuner_driver = { |
1143 | .driver = { | |
1144 | .owner = THIS_MODULE, | |
1145 | .name = "tuner", | |
1146 | }, | |
1147 | .probe = tuner_probe, | |
1148 | .remove = tuner_remove, | |
1149 | .command = tuner_command, | |
1150 | .suspend = tuner_suspend, | |
1151 | .resume = tuner_resume, | |
1152 | .id_table = tuner_id, | |
1da177e4 | 1153 | }; |
1da177e4 | 1154 | |
02a2098a HV |
1155 | static __init int init_tuner(void) |
1156 | { | |
1157 | return i2c_add_driver(&tuner_driver); | |
1158 | } | |
1159 | ||
1160 | static __exit void exit_tuner(void) | |
1161 | { | |
1162 | i2c_del_driver(&tuner_driver); | |
1163 | } | |
1164 | ||
1165 | module_init(init_tuner); | |
1166 | module_exit(exit_tuner); | |
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 | */ |