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> | |
8 | #include <linux/moduleparam.h> | |
9 | #include <linux/kernel.h> | |
1da177e4 LT |
10 | #include <linux/string.h> |
11 | #include <linux/timer.h> | |
12 | #include <linux/delay.h> | |
13 | #include <linux/errno.h> | |
14 | #include <linux/slab.h> | |
15 | #include <linux/poll.h> | |
16 | #include <linux/i2c.h> | |
17 | #include <linux/types.h> | |
18 | #include <linux/videodev.h> | |
19 | #include <linux/init.h> | |
20 | ||
21 | #include <media/tuner.h> | |
5e453dc7 | 22 | #include <media/v4l2-common.h> |
1da177e4 LT |
23 | |
24 | #define UNSET (-1U) | |
25 | ||
26 | /* standard i2c insmod options */ | |
27 | static unsigned short normal_i2c[] = { | |
de48eebc | 28 | 0x42, 0x43, 0x4a, 0x4b, /* tda8290 */ |
f5bec396 MCC |
29 | 0x60, 0x61, 0x62, 0x63, 0x64, 0x65, 0x66, 0x67, |
30 | 0x68, 0x69, 0x6a, 0x6b, 0x6c, 0x6d, 0x6e, 0x6f, | |
1da177e4 LT |
31 | I2C_CLIENT_END |
32 | }; | |
f7ce3cc6 | 33 | |
1da177e4 LT |
34 | I2C_CLIENT_INSMOD; |
35 | ||
36 | /* insmod options used at init time => read/only */ | |
f7ce3cc6 | 37 | static unsigned int addr = 0; |
c5287ba1 | 38 | static unsigned int no_autodetect = 0; |
fd3113e8 | 39 | static unsigned int show_i2c = 0; |
fd3113e8 | 40 | |
1da177e4 | 41 | /* insmod options used at runtime => read/write */ |
f9195ded | 42 | int tuner_debug = 0; |
1da177e4 | 43 | |
f7ce3cc6 | 44 | static unsigned int tv_range[2] = { 44, 958 }; |
1da177e4 LT |
45 | static unsigned int radio_range[2] = { 65, 108 }; |
46 | ||
7e578191 MCC |
47 | static char pal[] = "--"; |
48 | static char secam[] = "--"; | |
49 | static char ntsc[] = "-"; | |
50 | ||
f9195ded | 51 | |
7e578191 MCC |
52 | module_param(addr, int, 0444); |
53 | module_param(no_autodetect, int, 0444); | |
54 | module_param(show_i2c, int, 0444); | |
f9195ded | 55 | module_param_named(debug,tuner_debug, int, 0644); |
7e578191 MCC |
56 | module_param_string(pal, pal, sizeof(pal), 0644); |
57 | module_param_string(secam, secam, sizeof(secam), 0644); | |
58 | module_param_string(ntsc, ntsc, sizeof(ntsc), 0644); | |
f7ce3cc6 | 59 | module_param_array(tv_range, int, NULL, 0644); |
1da177e4 LT |
60 | module_param_array(radio_range, int, NULL, 0644); |
61 | ||
62 | MODULE_DESCRIPTION("device driver for various TV and TV+FM radio tuners"); | |
63 | MODULE_AUTHOR("Ralph Metzler, Gerd Knorr, Gunther Mayer"); | |
64 | MODULE_LICENSE("GPL"); | |
65 | ||
1da177e4 LT |
66 | static struct i2c_driver driver; |
67 | static struct i2c_client client_template; | |
68 | ||
69 | /* ---------------------------------------------------------------------- */ | |
70 | ||
56fc08ca | 71 | /* Set tuner frequency, freq in Units of 62.5kHz = 1/16MHz */ |
1da177e4 LT |
72 | static void set_tv_freq(struct i2c_client *c, unsigned int freq) |
73 | { | |
74 | struct tuner *t = i2c_get_clientdata(c); | |
75 | ||
76 | if (t->type == UNSET) { | |
f7ce3cc6 | 77 | tuner_warn ("tuner type not set\n"); |
1da177e4 LT |
78 | return; |
79 | } | |
27487d44 | 80 | if (NULL == t->set_tv_freq) { |
f7ce3cc6 | 81 | tuner_warn ("Tuner has no way to set tv freq\n"); |
1da177e4 LT |
82 | return; |
83 | } | |
f7ce3cc6 MCC |
84 | if (freq < tv_range[0] * 16 || freq > tv_range[1] * 16) { |
85 | tuner_dbg ("TV freq (%d.%02d) out of range (%d-%d)\n", | |
86 | freq / 16, freq % 16 * 100 / 16, tv_range[0], | |
87 | tv_range[1]); | |
27487d44 HV |
88 | /* V4L2 spec: if the freq is not possible then the closest |
89 | possible value should be selected */ | |
90 | if (freq < tv_range[0] * 16) | |
91 | freq = tv_range[0] * 16; | |
92 | else | |
93 | freq = tv_range[1] * 16; | |
1da177e4 | 94 | } |
27487d44 | 95 | t->set_tv_freq(c, freq); |
1da177e4 LT |
96 | } |
97 | ||
98 | static void set_radio_freq(struct i2c_client *c, unsigned int freq) | |
99 | { | |
100 | struct tuner *t = i2c_get_clientdata(c); | |
101 | ||
102 | if (t->type == UNSET) { | |
f7ce3cc6 | 103 | tuner_warn ("tuner type not set\n"); |
1da177e4 LT |
104 | return; |
105 | } | |
27487d44 | 106 | if (NULL == t->set_radio_freq) { |
f7ce3cc6 | 107 | tuner_warn ("tuner has no way to set radio frequency\n"); |
1da177e4 LT |
108 | return; |
109 | } | |
27487d44 | 110 | if (freq < radio_range[0] * 16000 || freq > radio_range[1] * 16000) { |
f7ce3cc6 MCC |
111 | tuner_dbg ("radio freq (%d.%02d) out of range (%d-%d)\n", |
112 | freq / 16000, freq % 16000 * 100 / 16000, | |
113 | radio_range[0], radio_range[1]); | |
27487d44 HV |
114 | /* V4L2 spec: if the freq is not possible then the closest |
115 | possible value should be selected */ | |
116 | if (freq < radio_range[0] * 16000) | |
117 | freq = radio_range[0] * 16000; | |
118 | else | |
119 | freq = radio_range[1] * 16000; | |
1da177e4 | 120 | } |
586b0cab | 121 | |
27487d44 | 122 | t->set_radio_freq(c, freq); |
1da177e4 LT |
123 | } |
124 | ||
125 | static void set_freq(struct i2c_client *c, unsigned long freq) | |
126 | { | |
127 | struct tuner *t = i2c_get_clientdata(c); | |
128 | ||
129 | switch (t->mode) { | |
130 | case V4L2_TUNER_RADIO: | |
131 | tuner_dbg("radio freq set to %lu.%02lu\n", | |
f7ce3cc6 MCC |
132 | freq / 16000, freq % 16000 * 100 / 16000); |
133 | set_radio_freq(c, freq); | |
27487d44 | 134 | t->radio_freq = freq; |
1da177e4 LT |
135 | break; |
136 | case V4L2_TUNER_ANALOG_TV: | |
137 | case V4L2_TUNER_DIGITAL_TV: | |
138 | tuner_dbg("tv freq set to %lu.%02lu\n", | |
f7ce3cc6 | 139 | freq / 16, freq % 16 * 100 / 16); |
1da177e4 | 140 | set_tv_freq(c, freq); |
27487d44 | 141 | t->tv_freq = freq; |
1da177e4 LT |
142 | break; |
143 | } | |
1da177e4 LT |
144 | } |
145 | ||
f7ce3cc6 | 146 | static void set_type(struct i2c_client *c, unsigned int type, |
de956c1e | 147 | unsigned int new_mode_mask, unsigned int new_config, |
cfeb8839 | 148 | int (*tuner_callback) (void *dev, int command,int arg)) |
1da177e4 LT |
149 | { |
150 | struct tuner *t = i2c_get_clientdata(c); | |
586b0cab | 151 | unsigned char buffer[4]; |
1da177e4 | 152 | |
f7ce3cc6 MCC |
153 | if (type == UNSET || type == TUNER_ABSENT) { |
154 | tuner_dbg ("tuner 0x%02x: Tuner type absent\n",c->addr); | |
1da177e4 | 155 | return; |
f7ce3cc6 MCC |
156 | } |
157 | ||
158 | if (type >= tuner_count) { | |
159 | tuner_warn ("tuner 0x%02x: Tuner count greater than %d\n",c->addr,tuner_count); | |
1da177e4 | 160 | return; |
f7ce3cc6 | 161 | } |
1da177e4 | 162 | |
f7ce3cc6 | 163 | /* This code detects calls by card attach_inform */ |
1da177e4 | 164 | if (NULL == t->i2c.dev.driver) { |
f7ce3cc6 MCC |
165 | tuner_dbg ("tuner 0x%02x: called during i2c_client register by adapter's attach_inform\n", c->addr); |
166 | ||
167 | t->type=type; | |
1da177e4 LT |
168 | return; |
169 | } | |
56fc08ca | 170 | |
1da177e4 | 171 | t->type = type; |
cfeb8839 HH |
172 | t->config = new_config; |
173 | if (tuner_callback != NULL) { | |
174 | tuner_dbg("defining GPIO callback\n"); | |
175 | t->tuner_callback = tuner_callback; | |
176 | } | |
1da177e4 LT |
177 | switch (t->type) { |
178 | case TUNER_MT2032: | |
179 | microtune_init(c); | |
180 | break; | |
181 | case TUNER_PHILIPS_TDA8290: | |
182 | tda8290_init(c); | |
183 | break; | |
586b0cab | 184 | case TUNER_TEA5767: |
f7ce3cc6 MCC |
185 | if (tea5767_tuner_init(c) == EINVAL) { |
186 | t->type = TUNER_ABSENT; | |
187 | t->mode_mask = T_UNINITIALIZED; | |
188 | return; | |
189 | } | |
190 | t->mode_mask = T_RADIO; | |
586b0cab MCC |
191 | break; |
192 | case TUNER_PHILIPS_FMD1216ME_MK3: | |
193 | buffer[0] = 0x0b; | |
194 | buffer[1] = 0xdc; | |
195 | buffer[2] = 0x9c; | |
196 | buffer[3] = 0x60; | |
f7ce3cc6 | 197 | i2c_master_send(c, buffer, 4); |
586b0cab MCC |
198 | mdelay(1); |
199 | buffer[2] = 0x86; | |
200 | buffer[3] = 0x54; | |
f7ce3cc6 | 201 | i2c_master_send(c, buffer, 4); |
586b0cab MCC |
202 | default_tuner_init(c); |
203 | break; | |
93df3413 HH |
204 | case TUNER_PHILIPS_TD1316: |
205 | buffer[0] = 0x0b; | |
206 | buffer[1] = 0xdc; | |
207 | buffer[2] = 0x86; | |
208 | buffer[3] = 0xa4; | |
209 | i2c_master_send(c,buffer,4); | |
210 | default_tuner_init(c); | |
ac272ed7 | 211 | break; |
15396236 MCC |
212 | case TUNER_TDA9887: |
213 | tda9887_tuner_init(c); | |
214 | break; | |
1da177e4 LT |
215 | default: |
216 | default_tuner_init(c); | |
217 | break; | |
218 | } | |
f7ce3cc6 MCC |
219 | |
220 | if (t->mode_mask == T_UNINITIALIZED) | |
221 | t->mode_mask = new_mode_mask; | |
222 | ||
27487d44 | 223 | set_freq(c, (V4L2_TUNER_RADIO == t->mode) ? t->radio_freq : t->tv_freq); |
f7ce3cc6 | 224 | tuner_dbg("%s %s I2C addr 0x%02x with type %d used for 0x%02x\n", |
604f28e2 | 225 | c->adapter->name, c->driver->driver.name, c->addr << 1, type, |
f7ce3cc6 | 226 | t->mode_mask); |
1da177e4 LT |
227 | } |
228 | ||
f7ce3cc6 MCC |
229 | /* |
230 | * This function apply tuner config to tuner specified | |
231 | * by tun_setup structure. I addr is unset, then admin status | |
232 | * and tun addr status is more precise then current status, | |
233 | * it's applied. Otherwise status and type are applied only to | |
234 | * tuner with exactly the same addr. | |
235 | */ | |
236 | ||
237 | static void set_addr(struct i2c_client *c, struct tuner_setup *tun_setup) | |
238 | { | |
239 | struct tuner *t = i2c_get_clientdata(c); | |
240 | ||
15396236 MCC |
241 | tuner_dbg("set addr for type %i\n", t->type); |
242 | ||
de956c1e HH |
243 | if ( (t->type == UNSET && ((tun_setup->addr == ADDR_UNSET) && |
244 | (t->mode_mask & tun_setup->mode_mask))) || | |
245 | (tun_setup->addr == c->addr)) { | |
246 | set_type(c, tun_setup->type, tun_setup->mode_mask, | |
cfeb8839 | 247 | tun_setup->config, tun_setup->tuner_callback); |
f7ce3cc6 MCC |
248 | } |
249 | } | |
56fc08ca | 250 | |
f7ce3cc6 | 251 | static inline int check_mode(struct tuner *t, char *cmd) |
56fc08ca | 252 | { |
793cf9e6 MCC |
253 | if ((1 << t->mode & t->mode_mask) == 0) { |
254 | return EINVAL; | |
255 | } | |
256 | ||
257 | switch (t->mode) { | |
258 | case V4L2_TUNER_RADIO: | |
259 | tuner_dbg("Cmd %s accepted for radio\n", cmd); | |
260 | break; | |
261 | case V4L2_TUNER_ANALOG_TV: | |
262 | tuner_dbg("Cmd %s accepted for analog TV\n", cmd); | |
263 | break; | |
264 | case V4L2_TUNER_DIGITAL_TV: | |
265 | tuner_dbg("Cmd %s accepted for digital TV\n", cmd); | |
266 | break; | |
56fc08ca | 267 | } |
793cf9e6 | 268 | return 0; |
56fc08ca | 269 | } |
56fc08ca | 270 | |
f7ce3cc6 | 271 | /* get more precise norm info from insmod option */ |
1da177e4 LT |
272 | static int tuner_fixup_std(struct tuner *t) |
273 | { | |
274 | if ((t->std & V4L2_STD_PAL) == V4L2_STD_PAL) { | |
1da177e4 | 275 | switch (pal[0]) { |
e71ced1a HV |
276 | case '6': |
277 | tuner_dbg ("insmod fixup: PAL => PAL-60\n"); | |
278 | t->std = V4L2_STD_PAL_60; | |
279 | break; | |
1da177e4 LT |
280 | case 'b': |
281 | case 'B': | |
282 | case 'g': | |
283 | case 'G': | |
f7ce3cc6 | 284 | tuner_dbg ("insmod fixup: PAL => PAL-BG\n"); |
1da177e4 LT |
285 | t->std = V4L2_STD_PAL_BG; |
286 | break; | |
287 | case 'i': | |
288 | case 'I': | |
f7ce3cc6 | 289 | tuner_dbg ("insmod fixup: PAL => PAL-I\n"); |
1da177e4 LT |
290 | t->std = V4L2_STD_PAL_I; |
291 | break; | |
292 | case 'd': | |
293 | case 'D': | |
294 | case 'k': | |
295 | case 'K': | |
f7ce3cc6 | 296 | tuner_dbg ("insmod fixup: PAL => PAL-DK\n"); |
1da177e4 LT |
297 | t->std = V4L2_STD_PAL_DK; |
298 | break; | |
f7ce3cc6 MCC |
299 | case 'M': |
300 | case 'm': | |
301 | tuner_dbg ("insmod fixup: PAL => PAL-M\n"); | |
302 | t->std = V4L2_STD_PAL_M; | |
303 | break; | |
304 | case 'N': | |
305 | case 'n': | |
7e578191 MCC |
306 | if (pal[1] == 'c' || pal[1] == 'C') { |
307 | tuner_dbg("insmod fixup: PAL => PAL-Nc\n"); | |
308 | t->std = V4L2_STD_PAL_Nc; | |
309 | } else { | |
310 | tuner_dbg ("insmod fixup: PAL => PAL-N\n"); | |
311 | t->std = V4L2_STD_PAL_N; | |
312 | } | |
f7ce3cc6 | 313 | break; |
21d4df37 MCC |
314 | case '-': |
315 | /* default parameter, do nothing */ | |
316 | break; | |
317 | default: | |
318 | tuner_warn ("pal= argument not recognised\n"); | |
319 | break; | |
1da177e4 LT |
320 | } |
321 | } | |
f7ce3cc6 MCC |
322 | if ((t->std & V4L2_STD_SECAM) == V4L2_STD_SECAM) { |
323 | switch (secam[0]) { | |
7e578191 MCC |
324 | case 'b': |
325 | case 'B': | |
326 | case 'g': | |
327 | case 'G': | |
328 | case 'h': | |
329 | case 'H': | |
330 | tuner_dbg("insmod fixup: SECAM => SECAM-BGH\n"); | |
331 | t->std = V4L2_STD_SECAM_B | V4L2_STD_SECAM_G | V4L2_STD_SECAM_H; | |
332 | break; | |
f7ce3cc6 MCC |
333 | case 'd': |
334 | case 'D': | |
335 | case 'k': | |
336 | case 'K': | |
337 | tuner_dbg ("insmod fixup: SECAM => SECAM-DK\n"); | |
338 | t->std = V4L2_STD_SECAM_DK; | |
339 | break; | |
340 | case 'l': | |
341 | case 'L': | |
800d3c6f MCC |
342 | if ((secam[1]=='C')||(secam[1]=='c')) { |
343 | tuner_dbg ("insmod fixup: SECAM => SECAM-L'\n"); | |
344 | t->std = V4L2_STD_SECAM_LC; | |
345 | } else { | |
346 | tuner_dbg ("insmod fixup: SECAM => SECAM-L\n"); | |
347 | t->std = V4L2_STD_SECAM_L; | |
348 | } | |
f7ce3cc6 | 349 | break; |
21d4df37 MCC |
350 | case '-': |
351 | /* default parameter, do nothing */ | |
352 | break; | |
353 | default: | |
354 | tuner_warn ("secam= argument not recognised\n"); | |
355 | break; | |
f7ce3cc6 MCC |
356 | } |
357 | } | |
358 | ||
7e578191 MCC |
359 | if ((t->std & V4L2_STD_NTSC) == V4L2_STD_NTSC) { |
360 | switch (ntsc[0]) { | |
361 | case 'm': | |
362 | case 'M': | |
363 | tuner_dbg("insmod fixup: NTSC => NTSC-M\n"); | |
364 | t->std = V4L2_STD_NTSC_M; | |
365 | break; | |
366 | case 'j': | |
367 | case 'J': | |
368 | tuner_dbg("insmod fixup: NTSC => NTSC_M_JP\n"); | |
369 | t->std = V4L2_STD_NTSC_M_JP; | |
370 | break; | |
d97a11e0 HV |
371 | case 'k': |
372 | case 'K': | |
373 | tuner_dbg("insmod fixup: NTSC => NTSC_M_KR\n"); | |
374 | t->std = V4L2_STD_NTSC_M_KR; | |
375 | break; | |
7e578191 MCC |
376 | case '-': |
377 | /* default parameter, do nothing */ | |
378 | break; | |
379 | default: | |
380 | tuner_info("ntsc= argument not recognised\n"); | |
381 | break; | |
382 | } | |
383 | } | |
1da177e4 LT |
384 | return 0; |
385 | } | |
386 | ||
7e578191 MCC |
387 | static void tuner_status(struct i2c_client *client) |
388 | { | |
389 | struct tuner *t = i2c_get_clientdata(client); | |
390 | unsigned long freq, freq_fraction; | |
391 | const char *p; | |
392 | ||
393 | switch (t->mode) { | |
394 | case V4L2_TUNER_RADIO: p = "radio"; break; | |
395 | case V4L2_TUNER_ANALOG_TV: p = "analog TV"; break; | |
396 | case V4L2_TUNER_DIGITAL_TV: p = "digital TV"; break; | |
397 | default: p = "undefined"; break; | |
398 | } | |
399 | if (t->mode == V4L2_TUNER_RADIO) { | |
27487d44 HV |
400 | freq = t->radio_freq / 16000; |
401 | freq_fraction = (t->radio_freq % 16000) * 100 / 16000; | |
7e578191 | 402 | } else { |
27487d44 HV |
403 | freq = t->tv_freq / 16; |
404 | freq_fraction = (t->tv_freq % 16) * 100 / 16; | |
7e578191 MCC |
405 | } |
406 | tuner_info("Tuner mode: %s\n", p); | |
407 | tuner_info("Frequency: %lu.%02lu MHz\n", freq, freq_fraction); | |
4ae5c2e5 | 408 | tuner_info("Standard: 0x%08lx\n", (unsigned long)t->std); |
8a4b275f HV |
409 | if (t->mode != V4L2_TUNER_RADIO) |
410 | return; | |
411 | if (t->has_signal) { | |
412 | tuner_info("Signal strength: %d\n", t->has_signal(client)); | |
413 | } | |
414 | if (t->is_stereo) { | |
415 | tuner_info("Stereo: %s\n", t->is_stereo(client) ? "yes" : "no"); | |
7e578191 MCC |
416 | } |
417 | } | |
8a4b275f | 418 | |
1da177e4 LT |
419 | /* ---------------------------------------------------------------------- */ |
420 | ||
ba8fc399 | 421 | /* static vars: used only in tuner_attach and tuner_probe */ |
f7ce3cc6 MCC |
422 | static unsigned default_mode_mask; |
423 | ||
424 | /* During client attach, set_type is called by adapter's attach_inform callback. | |
425 | set_type must then be completed by tuner_attach. | |
426 | */ | |
1da177e4 LT |
427 | static int tuner_attach(struct i2c_adapter *adap, int addr, int kind) |
428 | { | |
429 | struct tuner *t; | |
430 | ||
f7ce3cc6 MCC |
431 | client_template.adapter = adap; |
432 | client_template.addr = addr; | |
1da177e4 | 433 | |
7408187d | 434 | t = kzalloc(sizeof(struct tuner), GFP_KERNEL); |
f7ce3cc6 MCC |
435 | if (NULL == t) |
436 | return -ENOMEM; | |
f7ce3cc6 | 437 | memcpy(&t->i2c, &client_template, sizeof(struct i2c_client)); |
1da177e4 | 438 | i2c_set_clientdata(&t->i2c, t); |
f7ce3cc6 MCC |
439 | t->type = UNSET; |
440 | t->radio_if2 = 10700 * 1000; /* 10.7MHz - FM radio */ | |
441 | t->audmode = V4L2_TUNER_MODE_STEREO; | |
442 | t->mode_mask = T_UNINITIALIZED; | |
15396236 | 443 | t->tuner_status = tuner_status; |
f7ce3cc6 | 444 | |
fd3113e8 MCC |
445 | if (show_i2c) { |
446 | unsigned char buffer[16]; | |
447 | int i,rc; | |
448 | ||
449 | memset(buffer, 0, sizeof(buffer)); | |
450 | rc = i2c_master_recv(&t->i2c, buffer, sizeof(buffer)); | |
67678360 | 451 | tuner_info("I2C RECV = "); |
fd3113e8 MCC |
452 | for (i=0;i<rc;i++) |
453 | printk("%02x ",buffer[i]); | |
454 | printk("\n"); | |
455 | } | |
c28089a6 MH |
456 | /* HACK: This test were added to avoid tuner to probe tda9840 and tea6415c on the MXB card */ |
457 | if (adap->id == I2C_HW_SAA7146 && addr < 0x4a) | |
458 | return -ENODEV; | |
459 | ||
257c645d | 460 | /* autodetection code based on the i2c addr */ |
c5287ba1 | 461 | if (!no_autodetect) { |
13dd38d0 | 462 | switch (addr) { |
13dd38d0 MCC |
463 | case 0x42: |
464 | case 0x43: | |
465 | case 0x4a: | |
95736034 | 466 | case 0x4b: |
67678360 MCC |
467 | /* If chip is not tda8290, don't register. |
468 | since it can be tda9887*/ | |
15396236 MCC |
469 | if (tda8290_probe(&t->i2c) == 0) { |
470 | tuner_dbg("chip at addr %x is a tda8290\n", addr); | |
471 | } else { | |
472 | /* Default is being tda9887 */ | |
473 | t->type = TUNER_TDA9887; | |
474 | t->mode_mask = T_RADIO | T_ANALOG_TV | T_DIGITAL_TV; | |
475 | t->mode = T_STANDBY; | |
476 | goto register_client; | |
13dd38d0 | 477 | } |
07345f5d HH |
478 | break; |
479 | case 0x60: | |
480 | if (tea5767_autodetection(&t->i2c) != EINVAL) { | |
481 | t->type = TUNER_TEA5767; | |
482 | t->mode_mask = T_RADIO; | |
483 | t->mode = T_STANDBY; | |
27487d44 | 484 | t->radio_freq = 87.5 * 16000; /* Sets freq to FM range */ |
07345f5d | 485 | default_mode_mask &= ~T_RADIO; |
13dd38d0 | 486 | |
07345f5d HH |
487 | goto register_client; |
488 | } | |
489 | break; | |
f7ce3cc6 MCC |
490 | } |
491 | } | |
1da177e4 | 492 | |
f7ce3cc6 MCC |
493 | /* Initializes only the first adapter found */ |
494 | if (default_mode_mask != T_UNINITIALIZED) { | |
495 | tuner_dbg ("Setting mode_mask to 0x%02x\n", default_mode_mask); | |
496 | t->mode_mask = default_mode_mask; | |
27487d44 HV |
497 | t->tv_freq = 400 * 16; /* Sets freq to VHF High */ |
498 | t->radio_freq = 87.5 * 16000; /* Sets freq to FM range */ | |
f7ce3cc6 MCC |
499 | default_mode_mask = T_UNINITIALIZED; |
500 | } | |
56fc08ca | 501 | |
f7ce3cc6 | 502 | /* Should be just before return */ |
67678360 MCC |
503 | register_client: |
504 | tuner_info("chip found @ 0x%x (%s)\n", addr << 1, adap->name); | |
f7ce3cc6 | 505 | i2c_attach_client (&t->i2c); |
cfeb8839 | 506 | set_type (&t->i2c,t->type, t->mode_mask, t->config, t->tuner_callback); |
1da177e4 LT |
507 | return 0; |
508 | } | |
509 | ||
510 | static int tuner_probe(struct i2c_adapter *adap) | |
511 | { | |
512 | if (0 != addr) { | |
f5bec396 MCC |
513 | normal_i2c[0] = addr; |
514 | normal_i2c[1] = I2C_CLIENT_END; | |
1da177e4 | 515 | } |
1da177e4 | 516 | |
f7ce3cc6 | 517 | default_mode_mask = T_RADIO | T_ANALOG_TV | T_DIGITAL_TV; |
391cd727 | 518 | |
1da177e4 LT |
519 | if (adap->class & I2C_CLASS_TV_ANALOG) |
520 | return i2c_probe(adap, &addr_data, tuner_attach); | |
521 | return 0; | |
522 | } | |
523 | ||
524 | static int tuner_detach(struct i2c_client *client) | |
525 | { | |
526 | struct tuner *t = i2c_get_clientdata(client); | |
391cd727 MCC |
527 | int err; |
528 | ||
f7ce3cc6 | 529 | err = i2c_detach_client(&t->i2c); |
391cd727 | 530 | if (err) { |
f7ce3cc6 MCC |
531 | tuner_warn |
532 | ("Client deregistration failed, client not detached.\n"); | |
391cd727 MCC |
533 | return err; |
534 | } | |
1da177e4 | 535 | |
1da177e4 LT |
536 | kfree(t); |
537 | return 0; | |
538 | } | |
539 | ||
f7ce3cc6 MCC |
540 | /* |
541 | * Switch tuner to other mode. If tuner support both tv and radio, | |
542 | * set another frequency to some value (This is needed for some pal | |
543 | * tuners to avoid locking). Otherwise, just put second tuner in | |
544 | * standby mode. | |
545 | */ | |
546 | ||
547 | static inline int set_mode(struct i2c_client *client, struct tuner *t, int mode, char *cmd) | |
548 | { | |
4ac97914 MCC |
549 | if (mode == t->mode) |
550 | return 0; | |
551 | ||
552 | t->mode = mode; | |
553 | ||
554 | if (check_mode(t, cmd) == EINVAL) { | |
555 | t->mode = T_STANDBY; | |
556 | if (t->standby) | |
557 | t->standby (client); | |
558 | return EINVAL; | |
559 | } | |
560 | return 0; | |
f7ce3cc6 MCC |
561 | } |
562 | ||
563 | #define switch_v4l2() if (!t->using_v4l2) \ | |
4ac97914 MCC |
564 | tuner_dbg("switching to v4l2\n"); \ |
565 | t->using_v4l2 = 1; | |
f7ce3cc6 MCC |
566 | |
567 | static inline int check_v4l2(struct tuner *t) | |
568 | { | |
3bbe5a83 HV |
569 | /* bttv still uses both v4l1 and v4l2 calls to the tuner (v4l2 for |
570 | TV, v4l1 for radio), until that is fixed this code is disabled. | |
571 | Otherwise the radio (v4l1) wouldn't tune after using the TV (v4l2) | |
572 | first. */ | |
f7ce3cc6 MCC |
573 | return 0; |
574 | } | |
1da177e4 | 575 | |
f7ce3cc6 | 576 | static int tuner_command(struct i2c_client *client, unsigned int cmd, void *arg) |
1da177e4 LT |
577 | { |
578 | struct tuner *t = i2c_get_clientdata(client); | |
1da177e4 | 579 | |
f9195ded | 580 | if (tuner_debug>1) |
5e453dc7 MK |
581 | v4l_i2c_print_ioctl(&(t->i2c),cmd); |
582 | ||
f7ce3cc6 | 583 | switch (cmd) { |
1da177e4 | 584 | /* --- configuration --- */ |
56fc08ca | 585 | case TUNER_SET_TYPE_ADDR: |
de956c1e | 586 | tuner_dbg ("Calling set_type_addr for type=%d, addr=0x%02x, mode=0x%02x, config=0x%02x\n", |
f7ce3cc6 MCC |
587 | ((struct tuner_setup *)arg)->type, |
588 | ((struct tuner_setup *)arg)->addr, | |
de956c1e HH |
589 | ((struct tuner_setup *)arg)->mode_mask, |
590 | ((struct tuner_setup *)arg)->config); | |
f7ce3cc6 MCC |
591 | |
592 | set_addr(client, (struct tuner_setup *)arg); | |
391cd727 | 593 | break; |
1da177e4 | 594 | case AUDC_SET_RADIO: |
27487d44 HV |
595 | if (set_mode(client, t, V4L2_TUNER_RADIO, "AUDC_SET_RADIO") |
596 | == EINVAL) | |
597 | return 0; | |
598 | if (t->radio_freq) | |
599 | set_freq(client, t->radio_freq); | |
1da177e4 | 600 | break; |
793cf9e6 | 601 | case TUNER_SET_STANDBY: |
27487d44 HV |
602 | if (check_mode(t, "TUNER_SET_STANDBY") == EINVAL) |
603 | return 0; | |
15396236 | 604 | t->mode = T_STANDBY; |
27487d44 HV |
605 | if (t->standby) |
606 | t->standby (client); | |
607 | break; | |
985bc96e | 608 | #ifdef CONFIG_VIDEO_V4L1 |
fd3113e8 MCC |
609 | case VIDIOCSAUDIO: |
610 | if (check_mode(t, "VIDIOCSAUDIO") == EINVAL) | |
611 | return 0; | |
612 | if (check_v4l2(t) == EINVAL) | |
613 | return 0; | |
614 | ||
615 | /* Should be implemented, since bttv calls it */ | |
616 | tuner_dbg("VIDIOCSAUDIO not implemented.\n"); | |
f7ce3cc6 | 617 | break; |
1da177e4 | 618 | case VIDIOCSCHAN: |
f7ce3cc6 MCC |
619 | { |
620 | static const v4l2_std_id map[] = { | |
621 | [VIDEO_MODE_PAL] = V4L2_STD_PAL, | |
622 | [VIDEO_MODE_NTSC] = V4L2_STD_NTSC_M, | |
623 | [VIDEO_MODE_SECAM] = V4L2_STD_SECAM, | |
624 | [4 /* bttv */ ] = V4L2_STD_PAL_M, | |
625 | [5 /* bttv */ ] = V4L2_STD_PAL_N, | |
626 | [6 /* bttv */ ] = V4L2_STD_NTSC_M_JP, | |
627 | }; | |
628 | struct video_channel *vc = arg; | |
629 | ||
630 | if (check_v4l2(t) == EINVAL) | |
631 | return 0; | |
632 | ||
633 | if (set_mode(client,t,V4L2_TUNER_ANALOG_TV, "VIDIOCSCHAN")==EINVAL) | |
634 | return 0; | |
635 | ||
636 | if (vc->norm < ARRAY_SIZE(map)) | |
637 | t->std = map[vc->norm]; | |
638 | tuner_fixup_std(t); | |
27487d44 HV |
639 | if (t->tv_freq) |
640 | set_tv_freq(client, t->tv_freq); | |
f7ce3cc6 MCC |
641 | return 0; |
642 | } | |
1da177e4 | 643 | case VIDIOCSFREQ: |
f7ce3cc6 MCC |
644 | { |
645 | unsigned long *v = arg; | |
1da177e4 | 646 | |
f7ce3cc6 MCC |
647 | if (check_mode(t, "VIDIOCSFREQ") == EINVAL) |
648 | return 0; | |
649 | if (check_v4l2(t) == EINVAL) | |
650 | return 0; | |
651 | ||
652 | set_freq(client, *v); | |
653 | return 0; | |
654 | } | |
1da177e4 | 655 | case VIDIOCGTUNER: |
f7ce3cc6 MCC |
656 | { |
657 | struct video_tuner *vt = arg; | |
658 | ||
659 | if (check_mode(t, "VIDIOCGTUNER") == EINVAL) | |
660 | return 0; | |
661 | if (check_v4l2(t) == EINVAL) | |
662 | return 0; | |
663 | ||
664 | if (V4L2_TUNER_RADIO == t->mode) { | |
665 | if (t->has_signal) | |
666 | vt->signal = t->has_signal(client); | |
667 | if (t->is_stereo) { | |
668 | if (t->is_stereo(client)) | |
669 | vt->flags |= | |
670 | VIDEO_TUNER_STEREO_ON; | |
671 | else | |
672 | vt->flags &= | |
673 | ~VIDEO_TUNER_STEREO_ON; | |
674 | } | |
675 | vt->flags |= VIDEO_TUNER_LOW; /* Allow freqs at 62.5 Hz */ | |
586b0cab | 676 | |
f7ce3cc6 MCC |
677 | vt->rangelow = radio_range[0] * 16000; |
678 | vt->rangehigh = radio_range[1] * 16000; | |
586b0cab | 679 | |
f7ce3cc6 MCC |
680 | } else { |
681 | vt->rangelow = tv_range[0] * 16; | |
682 | vt->rangehigh = tv_range[1] * 16; | |
683 | } | |
56fc08ca | 684 | |
f7ce3cc6 MCC |
685 | return 0; |
686 | } | |
1da177e4 | 687 | case VIDIOCGAUDIO: |
f7ce3cc6 MCC |
688 | { |
689 | struct video_audio *va = arg; | |
690 | ||
691 | if (check_mode(t, "VIDIOCGAUDIO") == EINVAL) | |
692 | return 0; | |
693 | if (check_v4l2(t) == EINVAL) | |
694 | return 0; | |
695 | ||
696 | if (V4L2_TUNER_RADIO == t->mode && t->is_stereo) | |
697 | va->mode = t->is_stereo(client) | |
698 | ? VIDEO_SOUND_STEREO : VIDEO_SOUND_MONO; | |
699 | return 0; | |
700 | } | |
985bc96e MCC |
701 | #endif |
702 | case TDA9887_SET_CONFIG: | |
703 | if (t->type == TUNER_TDA9887) { | |
704 | int *i = arg; | |
1da177e4 | 705 | |
985bc96e MCC |
706 | t->tda9887_config = *i; |
707 | set_freq(client, t->tv_freq); | |
708 | } | |
709 | break; | |
710 | /* --- v4l ioctls --- */ | |
711 | /* take care: bttv does userspace copying, we'll get a | |
712 | kernel pointer here... */ | |
1da177e4 | 713 | case VIDIOC_S_STD: |
f7ce3cc6 MCC |
714 | { |
715 | v4l2_std_id *id = arg; | |
1da177e4 | 716 | |
f7ce3cc6 MCC |
717 | if (set_mode (client, t, V4L2_TUNER_ANALOG_TV, "VIDIOC_S_STD") |
718 | == EINVAL) | |
719 | return 0; | |
56fc08ca | 720 | |
f7ce3cc6 MCC |
721 | switch_v4l2(); |
722 | ||
723 | t->std = *id; | |
724 | tuner_fixup_std(t); | |
27487d44 HV |
725 | if (t->tv_freq) |
726 | set_freq(client, t->tv_freq); | |
f7ce3cc6 MCC |
727 | break; |
728 | } | |
1da177e4 | 729 | case VIDIOC_S_FREQUENCY: |
f7ce3cc6 MCC |
730 | { |
731 | struct v4l2_frequency *f = arg; | |
732 | ||
4f725cb3 HV |
733 | if (set_mode (client, t, f->type, "VIDIOC_S_FREQUENCY") |
734 | == EINVAL) | |
735 | return 0; | |
f7ce3cc6 | 736 | switch_v4l2(); |
27487d44 | 737 | set_freq(client,f->frequency); |
c184ca36 | 738 | |
f7ce3cc6 MCC |
739 | break; |
740 | } | |
741 | case VIDIOC_G_FREQUENCY: | |
742 | { | |
743 | struct v4l2_frequency *f = arg; | |
744 | ||
745 | if (check_mode(t, "VIDIOC_G_FREQUENCY") == EINVAL) | |
746 | return 0; | |
747 | switch_v4l2(); | |
748 | f->type = t->mode; | |
27487d44 HV |
749 | f->frequency = (V4L2_TUNER_RADIO == t->mode) ? |
750 | t->radio_freq : t->tv_freq; | |
f7ce3cc6 MCC |
751 | break; |
752 | } | |
1da177e4 | 753 | case VIDIOC_G_TUNER: |
f7ce3cc6 MCC |
754 | { |
755 | struct v4l2_tuner *tuner = arg; | |
756 | ||
757 | if (check_mode(t, "VIDIOC_G_TUNER") == EINVAL) | |
758 | return 0; | |
759 | switch_v4l2(); | |
760 | ||
8a4b275f | 761 | tuner->type = t->mode; |
15396236 MCC |
762 | if (t->get_afc) |
763 | tuner->afc=t->get_afc(client); | |
ab4cecf9 HV |
764 | if (t->mode == V4L2_TUNER_ANALOG_TV) |
765 | tuner->capability |= V4L2_TUNER_CAP_NORM; | |
8a4b275f | 766 | if (t->mode != V4L2_TUNER_RADIO) { |
f7ce3cc6 MCC |
767 | tuner->rangelow = tv_range[0] * 16; |
768 | tuner->rangehigh = tv_range[1] * 16; | |
8a4b275f HV |
769 | break; |
770 | } | |
771 | ||
772 | /* radio mode */ | |
773 | if (t->has_signal) | |
774 | tuner->signal = t->has_signal(client); | |
775 | ||
776 | tuner->rxsubchans = | |
777 | V4L2_TUNER_SUB_MONO | V4L2_TUNER_SUB_STEREO; | |
778 | if (t->is_stereo) { | |
779 | tuner->rxsubchans = t->is_stereo(client) ? | |
780 | V4L2_TUNER_SUB_STEREO : V4L2_TUNER_SUB_MONO; | |
56fc08ca | 781 | } |
8a4b275f HV |
782 | |
783 | tuner->capability |= | |
784 | V4L2_TUNER_CAP_LOW | V4L2_TUNER_CAP_STEREO; | |
785 | tuner->audmode = t->audmode; | |
786 | tuner->rangelow = radio_range[0] * 16000; | |
787 | tuner->rangehigh = radio_range[1] * 16000; | |
f7ce3cc6 MCC |
788 | break; |
789 | } | |
790 | case VIDIOC_S_TUNER: | |
791 | { | |
792 | struct v4l2_tuner *tuner = arg; | |
793 | ||
794 | if (check_mode(t, "VIDIOC_S_TUNER") == EINVAL) | |
795 | return 0; | |
796 | ||
797 | switch_v4l2(); | |
798 | ||
8a4b275f HV |
799 | /* do nothing unless we're a radio tuner */ |
800 | if (t->mode != V4L2_TUNER_RADIO) | |
801 | break; | |
802 | t->audmode = tuner->audmode; | |
803 | set_radio_freq(client, t->radio_freq); | |
f7ce3cc6 | 804 | break; |
56fc08ca | 805 | } |
cd43c3f6 | 806 | case VIDIOC_LOG_STATUS: |
15396236 MCC |
807 | if (t->tuner_status) |
808 | t->tuner_status(client); | |
cd43c3f6 | 809 | break; |
1da177e4 LT |
810 | } |
811 | ||
812 | return 0; | |
813 | } | |
814 | ||
21b48a70 | 815 | static int tuner_suspend(struct i2c_client *c, pm_message_t state) |
1da177e4 | 816 | { |
f7ce3cc6 | 817 | struct tuner *t = i2c_get_clientdata (c); |
1da177e4 | 818 | |
f7ce3cc6 | 819 | tuner_dbg ("suspend\n"); |
1da177e4 LT |
820 | /* FIXME: power down ??? */ |
821 | return 0; | |
822 | } | |
823 | ||
21b48a70 | 824 | static int tuner_resume(struct i2c_client *c) |
1da177e4 | 825 | { |
f7ce3cc6 | 826 | struct tuner *t = i2c_get_clientdata (c); |
1da177e4 | 827 | |
f7ce3cc6 | 828 | tuner_dbg ("resume\n"); |
27487d44 HV |
829 | if (V4L2_TUNER_RADIO == t->mode) { |
830 | if (t->radio_freq) | |
831 | set_freq(c, t->radio_freq); | |
832 | } else { | |
833 | if (t->tv_freq) | |
834 | set_freq(c, t->tv_freq); | |
835 | } | |
1da177e4 LT |
836 | return 0; |
837 | } | |
838 | ||
839 | /* ----------------------------------------------------------------------- */ | |
840 | ||
841 | static struct i2c_driver driver = { | |
f7ce3cc6 | 842 | .id = I2C_DRIVERID_TUNER, |
f7ce3cc6 MCC |
843 | .attach_adapter = tuner_probe, |
844 | .detach_client = tuner_detach, | |
845 | .command = tuner_command, | |
21b48a70 JD |
846 | .suspend = tuner_suspend, |
847 | .resume = tuner_resume, | |
1da177e4 | 848 | .driver = { |
cab462f7 | 849 | .name = "tuner", |
cab462f7 | 850 | }, |
1da177e4 | 851 | }; |
f7ce3cc6 | 852 | static struct i2c_client client_template = { |
fae91e72 | 853 | .name = "(tuner unset)", |
f7ce3cc6 | 854 | .driver = &driver, |
1da177e4 LT |
855 | }; |
856 | ||
857 | static int __init tuner_init_module(void) | |
858 | { | |
859 | return i2c_add_driver(&driver); | |
860 | } | |
861 | ||
862 | static void __exit tuner_cleanup_module(void) | |
863 | { | |
864 | i2c_del_driver(&driver); | |
865 | } | |
866 | ||
867 | module_init(tuner_init_module); | |
868 | module_exit(tuner_cleanup_module); | |
869 | ||
870 | /* | |
871 | * Overrides for Emacs so that we follow Linus's tabbing style. | |
872 | * --------------------------------------------------------------------------- | |
873 | * Local variables: | |
874 | * c-basic-offset: 8 | |
875 | * End: | |
876 | */ |