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> | |
10 | #include <linux/sched.h> | |
11 | #include <linux/string.h> | |
12 | #include <linux/timer.h> | |
13 | #include <linux/delay.h> | |
14 | #include <linux/errno.h> | |
15 | #include <linux/slab.h> | |
16 | #include <linux/poll.h> | |
17 | #include <linux/i2c.h> | |
18 | #include <linux/types.h> | |
19 | #include <linux/videodev.h> | |
20 | #include <linux/init.h> | |
21 | ||
22 | #include <media/tuner.h> | |
5e453dc7 | 23 | #include <media/v4l2-common.h> |
1da177e4 LT |
24 | |
25 | #define UNSET (-1U) | |
26 | ||
27 | /* standard i2c insmod options */ | |
28 | static unsigned short normal_i2c[] = { | |
de48eebc | 29 | 0x42, 0x43, 0x4a, 0x4b, /* tda8290 */ |
f5bec396 MCC |
30 | 0x60, 0x61, 0x62, 0x63, 0x64, 0x65, 0x66, 0x67, |
31 | 0x68, 0x69, 0x6a, 0x6b, 0x6c, 0x6d, 0x6e, 0x6f, | |
1da177e4 LT |
32 | I2C_CLIENT_END |
33 | }; | |
f7ce3cc6 | 34 | |
1da177e4 LT |
35 | I2C_CLIENT_INSMOD; |
36 | ||
37 | /* insmod options used at init time => read/only */ | |
f7ce3cc6 | 38 | static unsigned int addr = 0; |
c5287ba1 | 39 | static unsigned int no_autodetect = 0; |
fd3113e8 | 40 | static unsigned int show_i2c = 0; |
fd3113e8 | 41 | |
1da177e4 | 42 | /* insmod options used at runtime => read/write */ |
f9195ded HV |
43 | static unsigned int tuner_debug_old = 0; |
44 | int tuner_debug = 0; | |
1da177e4 | 45 | |
f7ce3cc6 | 46 | static unsigned int tv_range[2] = { 44, 958 }; |
1da177e4 LT |
47 | static unsigned int radio_range[2] = { 65, 108 }; |
48 | ||
7e578191 MCC |
49 | static char pal[] = "--"; |
50 | static char secam[] = "--"; | |
51 | static char ntsc[] = "-"; | |
52 | ||
f9195ded | 53 | |
7e578191 MCC |
54 | module_param(addr, int, 0444); |
55 | module_param(no_autodetect, int, 0444); | |
56 | module_param(show_i2c, int, 0444); | |
fac9e899 | 57 | /* Note: tuner_debug is deprecated and will be removed in 2.6.17 */ |
f9195ded HV |
58 | module_param_named(tuner_debug,tuner_debug_old, int, 0444); |
59 | module_param_named(debug,tuner_debug, int, 0644); | |
7e578191 MCC |
60 | module_param_string(pal, pal, sizeof(pal), 0644); |
61 | module_param_string(secam, secam, sizeof(secam), 0644); | |
62 | module_param_string(ntsc, ntsc, sizeof(ntsc), 0644); | |
f7ce3cc6 | 63 | module_param_array(tv_range, int, NULL, 0644); |
1da177e4 LT |
64 | module_param_array(radio_range, int, NULL, 0644); |
65 | ||
66 | MODULE_DESCRIPTION("device driver for various TV and TV+FM radio tuners"); | |
67 | MODULE_AUTHOR("Ralph Metzler, Gerd Knorr, Gunther Mayer"); | |
68 | MODULE_LICENSE("GPL"); | |
69 | ||
1da177e4 LT |
70 | static struct i2c_driver driver; |
71 | static struct i2c_client client_template; | |
72 | ||
73 | /* ---------------------------------------------------------------------- */ | |
74 | ||
56fc08ca | 75 | /* Set tuner frequency, freq in Units of 62.5kHz = 1/16MHz */ |
1da177e4 LT |
76 | static void set_tv_freq(struct i2c_client *c, unsigned int freq) |
77 | { | |
78 | struct tuner *t = i2c_get_clientdata(c); | |
79 | ||
80 | if (t->type == UNSET) { | |
f7ce3cc6 | 81 | tuner_warn ("tuner type not set\n"); |
1da177e4 LT |
82 | return; |
83 | } | |
27487d44 | 84 | if (NULL == t->set_tv_freq) { |
f7ce3cc6 | 85 | tuner_warn ("Tuner has no way to set tv freq\n"); |
1da177e4 LT |
86 | return; |
87 | } | |
f7ce3cc6 MCC |
88 | if (freq < tv_range[0] * 16 || freq > tv_range[1] * 16) { |
89 | tuner_dbg ("TV freq (%d.%02d) out of range (%d-%d)\n", | |
90 | freq / 16, freq % 16 * 100 / 16, tv_range[0], | |
91 | tv_range[1]); | |
27487d44 HV |
92 | /* V4L2 spec: if the freq is not possible then the closest |
93 | possible value should be selected */ | |
94 | if (freq < tv_range[0] * 16) | |
95 | freq = tv_range[0] * 16; | |
96 | else | |
97 | freq = tv_range[1] * 16; | |
1da177e4 | 98 | } |
27487d44 | 99 | t->set_tv_freq(c, freq); |
1da177e4 LT |
100 | } |
101 | ||
102 | static void set_radio_freq(struct i2c_client *c, unsigned int freq) | |
103 | { | |
104 | struct tuner *t = i2c_get_clientdata(c); | |
105 | ||
106 | if (t->type == UNSET) { | |
f7ce3cc6 | 107 | tuner_warn ("tuner type not set\n"); |
1da177e4 LT |
108 | return; |
109 | } | |
27487d44 | 110 | if (NULL == t->set_radio_freq) { |
f7ce3cc6 | 111 | tuner_warn ("tuner has no way to set radio frequency\n"); |
1da177e4 LT |
112 | return; |
113 | } | |
27487d44 | 114 | if (freq < radio_range[0] * 16000 || freq > radio_range[1] * 16000) { |
f7ce3cc6 MCC |
115 | tuner_dbg ("radio freq (%d.%02d) out of range (%d-%d)\n", |
116 | freq / 16000, freq % 16000 * 100 / 16000, | |
117 | radio_range[0], radio_range[1]); | |
27487d44 HV |
118 | /* V4L2 spec: if the freq is not possible then the closest |
119 | possible value should be selected */ | |
120 | if (freq < radio_range[0] * 16000) | |
121 | freq = radio_range[0] * 16000; | |
122 | else | |
123 | freq = radio_range[1] * 16000; | |
1da177e4 | 124 | } |
586b0cab | 125 | |
27487d44 | 126 | t->set_radio_freq(c, freq); |
1da177e4 LT |
127 | } |
128 | ||
129 | static void set_freq(struct i2c_client *c, unsigned long freq) | |
130 | { | |
131 | struct tuner *t = i2c_get_clientdata(c); | |
132 | ||
133 | switch (t->mode) { | |
134 | case V4L2_TUNER_RADIO: | |
135 | tuner_dbg("radio freq set to %lu.%02lu\n", | |
f7ce3cc6 MCC |
136 | freq / 16000, freq % 16000 * 100 / 16000); |
137 | set_radio_freq(c, freq); | |
27487d44 | 138 | t->radio_freq = freq; |
1da177e4 LT |
139 | break; |
140 | case V4L2_TUNER_ANALOG_TV: | |
141 | case V4L2_TUNER_DIGITAL_TV: | |
142 | tuner_dbg("tv freq set to %lu.%02lu\n", | |
f7ce3cc6 | 143 | freq / 16, freq % 16 * 100 / 16); |
1da177e4 | 144 | set_tv_freq(c, freq); |
27487d44 | 145 | t->tv_freq = freq; |
1da177e4 LT |
146 | break; |
147 | } | |
1da177e4 LT |
148 | } |
149 | ||
f7ce3cc6 MCC |
150 | static void set_type(struct i2c_client *c, unsigned int type, |
151 | unsigned int new_mode_mask) | |
1da177e4 LT |
152 | { |
153 | struct tuner *t = i2c_get_clientdata(c); | |
586b0cab | 154 | unsigned char buffer[4]; |
1da177e4 | 155 | |
f7ce3cc6 MCC |
156 | if (type == UNSET || type == TUNER_ABSENT) { |
157 | tuner_dbg ("tuner 0x%02x: Tuner type absent\n",c->addr); | |
1da177e4 | 158 | return; |
f7ce3cc6 MCC |
159 | } |
160 | ||
161 | if (type >= tuner_count) { | |
162 | tuner_warn ("tuner 0x%02x: Tuner count greater than %d\n",c->addr,tuner_count); | |
1da177e4 | 163 | return; |
f7ce3cc6 | 164 | } |
1da177e4 | 165 | |
f7ce3cc6 | 166 | /* This code detects calls by card attach_inform */ |
1da177e4 | 167 | if (NULL == t->i2c.dev.driver) { |
f7ce3cc6 MCC |
168 | tuner_dbg ("tuner 0x%02x: called during i2c_client register by adapter's attach_inform\n", c->addr); |
169 | ||
170 | t->type=type; | |
1da177e4 LT |
171 | return; |
172 | } | |
56fc08ca | 173 | |
1da177e4 LT |
174 | t->type = type; |
175 | switch (t->type) { | |
176 | case TUNER_MT2032: | |
177 | microtune_init(c); | |
178 | break; | |
179 | case TUNER_PHILIPS_TDA8290: | |
180 | tda8290_init(c); | |
181 | break; | |
586b0cab | 182 | case TUNER_TEA5767: |
f7ce3cc6 MCC |
183 | if (tea5767_tuner_init(c) == EINVAL) { |
184 | t->type = TUNER_ABSENT; | |
185 | t->mode_mask = T_UNINITIALIZED; | |
186 | return; | |
187 | } | |
188 | t->mode_mask = T_RADIO; | |
586b0cab MCC |
189 | break; |
190 | case TUNER_PHILIPS_FMD1216ME_MK3: | |
191 | buffer[0] = 0x0b; | |
192 | buffer[1] = 0xdc; | |
193 | buffer[2] = 0x9c; | |
194 | buffer[3] = 0x60; | |
f7ce3cc6 | 195 | i2c_master_send(c, buffer, 4); |
586b0cab MCC |
196 | mdelay(1); |
197 | buffer[2] = 0x86; | |
198 | buffer[3] = 0x54; | |
f7ce3cc6 | 199 | i2c_master_send(c, buffer, 4); |
586b0cab MCC |
200 | default_tuner_init(c); |
201 | break; | |
9c26c8b1 | 202 | case TUNER_LG_TDVS_H06XF: |
793cf9e6 MCC |
203 | /* Set the Auxiliary Byte. */ |
204 | buffer[2] &= ~0x20; | |
205 | buffer[2] |= 0x18; | |
206 | buffer[3] = 0x20; | |
207 | i2c_master_send(c, buffer, 4); | |
208 | default_tuner_init(c); | |
209 | break; | |
93df3413 HH |
210 | case TUNER_PHILIPS_TD1316: |
211 | buffer[0] = 0x0b; | |
212 | buffer[1] = 0xdc; | |
213 | buffer[2] = 0x86; | |
214 | buffer[3] = 0xa4; | |
215 | i2c_master_send(c,buffer,4); | |
216 | default_tuner_init(c); | |
ac272ed7 | 217 | break; |
1da177e4 LT |
218 | default: |
219 | default_tuner_init(c); | |
220 | break; | |
221 | } | |
f7ce3cc6 MCC |
222 | |
223 | if (t->mode_mask == T_UNINITIALIZED) | |
224 | t->mode_mask = new_mode_mask; | |
225 | ||
27487d44 | 226 | set_freq(c, (V4L2_TUNER_RADIO == t->mode) ? t->radio_freq : t->tv_freq); |
f7ce3cc6 | 227 | tuner_dbg("%s %s I2C addr 0x%02x with type %d used for 0x%02x\n", |
604f28e2 | 228 | c->adapter->name, c->driver->driver.name, c->addr << 1, type, |
f7ce3cc6 | 229 | t->mode_mask); |
1da177e4 LT |
230 | } |
231 | ||
f7ce3cc6 MCC |
232 | /* |
233 | * This function apply tuner config to tuner specified | |
234 | * by tun_setup structure. I addr is unset, then admin status | |
235 | * and tun addr status is more precise then current status, | |
236 | * it's applied. Otherwise status and type are applied only to | |
237 | * tuner with exactly the same addr. | |
238 | */ | |
239 | ||
240 | static void set_addr(struct i2c_client *c, struct tuner_setup *tun_setup) | |
241 | { | |
242 | struct tuner *t = i2c_get_clientdata(c); | |
243 | ||
291d1d73 | 244 | if ( t->type == UNSET && ((tun_setup->addr == ADDR_UNSET && |
793cf9e6 | 245 | (t->mode_mask & tun_setup->mode_mask)) || |
291d1d73 | 246 | tun_setup->addr == c->addr)) { |
f7ce3cc6 | 247 | set_type(c, tun_setup->type, tun_setup->mode_mask); |
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 LT |
275 | switch (pal[0]) { |
276 | case 'b': | |
277 | case 'B': | |
278 | case 'g': | |
279 | case 'G': | |
f7ce3cc6 | 280 | tuner_dbg ("insmod fixup: PAL => PAL-BG\n"); |
1da177e4 LT |
281 | t->std = V4L2_STD_PAL_BG; |
282 | break; | |
283 | case 'i': | |
284 | case 'I': | |
f7ce3cc6 | 285 | tuner_dbg ("insmod fixup: PAL => PAL-I\n"); |
1da177e4 LT |
286 | t->std = V4L2_STD_PAL_I; |
287 | break; | |
288 | case 'd': | |
289 | case 'D': | |
290 | case 'k': | |
291 | case 'K': | |
f7ce3cc6 | 292 | tuner_dbg ("insmod fixup: PAL => PAL-DK\n"); |
1da177e4 LT |
293 | t->std = V4L2_STD_PAL_DK; |
294 | break; | |
f7ce3cc6 MCC |
295 | case 'M': |
296 | case 'm': | |
297 | tuner_dbg ("insmod fixup: PAL => PAL-M\n"); | |
298 | t->std = V4L2_STD_PAL_M; | |
299 | break; | |
300 | case 'N': | |
301 | case 'n': | |
7e578191 MCC |
302 | if (pal[1] == 'c' || pal[1] == 'C') { |
303 | tuner_dbg("insmod fixup: PAL => PAL-Nc\n"); | |
304 | t->std = V4L2_STD_PAL_Nc; | |
305 | } else { | |
306 | tuner_dbg ("insmod fixup: PAL => PAL-N\n"); | |
307 | t->std = V4L2_STD_PAL_N; | |
308 | } | |
f7ce3cc6 | 309 | break; |
21d4df37 MCC |
310 | case '-': |
311 | /* default parameter, do nothing */ | |
312 | break; | |
313 | default: | |
314 | tuner_warn ("pal= argument not recognised\n"); | |
315 | break; | |
1da177e4 LT |
316 | } |
317 | } | |
f7ce3cc6 MCC |
318 | if ((t->std & V4L2_STD_SECAM) == V4L2_STD_SECAM) { |
319 | switch (secam[0]) { | |
7e578191 MCC |
320 | case 'b': |
321 | case 'B': | |
322 | case 'g': | |
323 | case 'G': | |
324 | case 'h': | |
325 | case 'H': | |
326 | tuner_dbg("insmod fixup: SECAM => SECAM-BGH\n"); | |
327 | t->std = V4L2_STD_SECAM_B | V4L2_STD_SECAM_G | V4L2_STD_SECAM_H; | |
328 | break; | |
f7ce3cc6 MCC |
329 | case 'd': |
330 | case 'D': | |
331 | case 'k': | |
332 | case 'K': | |
333 | tuner_dbg ("insmod fixup: SECAM => SECAM-DK\n"); | |
334 | t->std = V4L2_STD_SECAM_DK; | |
335 | break; | |
336 | case 'l': | |
337 | case 'L': | |
800d3c6f MCC |
338 | if ((secam[1]=='C')||(secam[1]=='c')) { |
339 | tuner_dbg ("insmod fixup: SECAM => SECAM-L'\n"); | |
340 | t->std = V4L2_STD_SECAM_LC; | |
341 | } else { | |
342 | tuner_dbg ("insmod fixup: SECAM => SECAM-L\n"); | |
343 | t->std = V4L2_STD_SECAM_L; | |
344 | } | |
f7ce3cc6 | 345 | break; |
21d4df37 MCC |
346 | case '-': |
347 | /* default parameter, do nothing */ | |
348 | break; | |
349 | default: | |
350 | tuner_warn ("secam= argument not recognised\n"); | |
351 | break; | |
f7ce3cc6 MCC |
352 | } |
353 | } | |
354 | ||
7e578191 MCC |
355 | if ((t->std & V4L2_STD_NTSC) == V4L2_STD_NTSC) { |
356 | switch (ntsc[0]) { | |
357 | case 'm': | |
358 | case 'M': | |
359 | tuner_dbg("insmod fixup: NTSC => NTSC-M\n"); | |
360 | t->std = V4L2_STD_NTSC_M; | |
361 | break; | |
362 | case 'j': | |
363 | case 'J': | |
364 | tuner_dbg("insmod fixup: NTSC => NTSC_M_JP\n"); | |
365 | t->std = V4L2_STD_NTSC_M_JP; | |
366 | break; | |
d97a11e0 HV |
367 | case 'k': |
368 | case 'K': | |
369 | tuner_dbg("insmod fixup: NTSC => NTSC_M_KR\n"); | |
370 | t->std = V4L2_STD_NTSC_M_KR; | |
371 | break; | |
7e578191 MCC |
372 | case '-': |
373 | /* default parameter, do nothing */ | |
374 | break; | |
375 | default: | |
376 | tuner_info("ntsc= argument not recognised\n"); | |
377 | break; | |
378 | } | |
379 | } | |
1da177e4 LT |
380 | return 0; |
381 | } | |
382 | ||
7e578191 MCC |
383 | static void tuner_status(struct i2c_client *client) |
384 | { | |
385 | struct tuner *t = i2c_get_clientdata(client); | |
386 | unsigned long freq, freq_fraction; | |
387 | const char *p; | |
388 | ||
389 | switch (t->mode) { | |
390 | case V4L2_TUNER_RADIO: p = "radio"; break; | |
391 | case V4L2_TUNER_ANALOG_TV: p = "analog TV"; break; | |
392 | case V4L2_TUNER_DIGITAL_TV: p = "digital TV"; break; | |
393 | default: p = "undefined"; break; | |
394 | } | |
395 | if (t->mode == V4L2_TUNER_RADIO) { | |
27487d44 HV |
396 | freq = t->radio_freq / 16000; |
397 | freq_fraction = (t->radio_freq % 16000) * 100 / 16000; | |
7e578191 | 398 | } else { |
27487d44 HV |
399 | freq = t->tv_freq / 16; |
400 | freq_fraction = (t->tv_freq % 16) * 100 / 16; | |
7e578191 MCC |
401 | } |
402 | tuner_info("Tuner mode: %s\n", p); | |
403 | tuner_info("Frequency: %lu.%02lu MHz\n", freq, freq_fraction); | |
4ae5c2e5 | 404 | tuner_info("Standard: 0x%08lx\n", (unsigned long)t->std); |
8a4b275f HV |
405 | if (t->mode != V4L2_TUNER_RADIO) |
406 | return; | |
407 | if (t->has_signal) { | |
408 | tuner_info("Signal strength: %d\n", t->has_signal(client)); | |
409 | } | |
410 | if (t->is_stereo) { | |
411 | tuner_info("Stereo: %s\n", t->is_stereo(client) ? "yes" : "no"); | |
7e578191 MCC |
412 | } |
413 | } | |
8a4b275f | 414 | |
1da177e4 LT |
415 | /* ---------------------------------------------------------------------- */ |
416 | ||
f7ce3cc6 MCC |
417 | /* static var Used only in tuner_attach and tuner_probe */ |
418 | static unsigned default_mode_mask; | |
419 | ||
420 | /* During client attach, set_type is called by adapter's attach_inform callback. | |
421 | set_type must then be completed by tuner_attach. | |
422 | */ | |
1da177e4 LT |
423 | static int tuner_attach(struct i2c_adapter *adap, int addr, int kind) |
424 | { | |
425 | struct tuner *t; | |
426 | ||
f7ce3cc6 MCC |
427 | client_template.adapter = adap; |
428 | client_template.addr = addr; | |
1da177e4 | 429 | |
7408187d | 430 | t = kzalloc(sizeof(struct tuner), GFP_KERNEL); |
f7ce3cc6 MCC |
431 | if (NULL == t) |
432 | return -ENOMEM; | |
f7ce3cc6 | 433 | memcpy(&t->i2c, &client_template, sizeof(struct i2c_client)); |
1da177e4 | 434 | i2c_set_clientdata(&t->i2c, t); |
f7ce3cc6 MCC |
435 | t->type = UNSET; |
436 | t->radio_if2 = 10700 * 1000; /* 10.7MHz - FM radio */ | |
437 | t->audmode = V4L2_TUNER_MODE_STEREO; | |
438 | t->mode_mask = T_UNINITIALIZED; | |
f9195ded HV |
439 | if (tuner_debug_old) { |
440 | tuner_debug = tuner_debug_old; | |
fac9e899 HV |
441 | printk(KERN_ERR "tuner: tuner_debug is deprecated and will be removed in 2.6.17.\n"); |
442 | printk(KERN_ERR "tuner: use the debug option instead.\n"); | |
443 | } | |
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 | } | |
257c645d | 456 | /* autodetection code based on the i2c addr */ |
c5287ba1 | 457 | if (!no_autodetect) { |
13dd38d0 | 458 | switch (addr) { |
13dd38d0 MCC |
459 | case 0x42: |
460 | case 0x43: | |
461 | case 0x4a: | |
95736034 | 462 | case 0x4b: |
67678360 MCC |
463 | /* If chip is not tda8290, don't register. |
464 | since it can be tda9887*/ | |
95736034 | 465 | if (tda8290_probe(&t->i2c) != 0) { |
b228ede4 | 466 | tuner_dbg("chip at addr %x is not a tda8290\n", addr); |
13dd38d0 MCC |
467 | kfree(t); |
468 | return 0; | |
469 | } | |
07345f5d HH |
470 | break; |
471 | case 0x60: | |
472 | if (tea5767_autodetection(&t->i2c) != EINVAL) { | |
473 | t->type = TUNER_TEA5767; | |
474 | t->mode_mask = T_RADIO; | |
475 | t->mode = T_STANDBY; | |
27487d44 | 476 | t->radio_freq = 87.5 * 16000; /* Sets freq to FM range */ |
07345f5d | 477 | default_mode_mask &= ~T_RADIO; |
13dd38d0 | 478 | |
07345f5d HH |
479 | goto register_client; |
480 | } | |
481 | break; | |
f7ce3cc6 MCC |
482 | } |
483 | } | |
1da177e4 | 484 | |
f7ce3cc6 MCC |
485 | /* Initializes only the first adapter found */ |
486 | if (default_mode_mask != T_UNINITIALIZED) { | |
487 | tuner_dbg ("Setting mode_mask to 0x%02x\n", default_mode_mask); | |
488 | t->mode_mask = default_mode_mask; | |
27487d44 HV |
489 | t->tv_freq = 400 * 16; /* Sets freq to VHF High */ |
490 | t->radio_freq = 87.5 * 16000; /* Sets freq to FM range */ | |
f7ce3cc6 MCC |
491 | default_mode_mask = T_UNINITIALIZED; |
492 | } | |
56fc08ca | 493 | |
f7ce3cc6 | 494 | /* Should be just before return */ |
67678360 MCC |
495 | register_client: |
496 | tuner_info("chip found @ 0x%x (%s)\n", addr << 1, adap->name); | |
f7ce3cc6 MCC |
497 | i2c_attach_client (&t->i2c); |
498 | set_type (&t->i2c,t->type, t->mode_mask); | |
1da177e4 LT |
499 | return 0; |
500 | } | |
501 | ||
502 | static int tuner_probe(struct i2c_adapter *adap) | |
503 | { | |
504 | if (0 != addr) { | |
f5bec396 MCC |
505 | normal_i2c[0] = addr; |
506 | normal_i2c[1] = I2C_CLIENT_END; | |
1da177e4 | 507 | } |
1da177e4 | 508 | |
f7ce3cc6 | 509 | default_mode_mask = T_RADIO | T_ANALOG_TV | T_DIGITAL_TV; |
391cd727 | 510 | |
1da177e4 LT |
511 | if (adap->class & I2C_CLASS_TV_ANALOG) |
512 | return i2c_probe(adap, &addr_data, tuner_attach); | |
513 | return 0; | |
514 | } | |
515 | ||
516 | static int tuner_detach(struct i2c_client *client) | |
517 | { | |
518 | struct tuner *t = i2c_get_clientdata(client); | |
391cd727 MCC |
519 | int err; |
520 | ||
f7ce3cc6 | 521 | err = i2c_detach_client(&t->i2c); |
391cd727 | 522 | if (err) { |
f7ce3cc6 MCC |
523 | tuner_warn |
524 | ("Client deregistration failed, client not detached.\n"); | |
391cd727 MCC |
525 | return err; |
526 | } | |
1da177e4 | 527 | |
1da177e4 LT |
528 | kfree(t); |
529 | return 0; | |
530 | } | |
531 | ||
f7ce3cc6 MCC |
532 | /* |
533 | * Switch tuner to other mode. If tuner support both tv and radio, | |
534 | * set another frequency to some value (This is needed for some pal | |
535 | * tuners to avoid locking). Otherwise, just put second tuner in | |
536 | * standby mode. | |
537 | */ | |
538 | ||
539 | static inline int set_mode(struct i2c_client *client, struct tuner *t, int mode, char *cmd) | |
540 | { | |
4ac97914 MCC |
541 | if (mode == t->mode) |
542 | return 0; | |
543 | ||
544 | t->mode = mode; | |
545 | ||
546 | if (check_mode(t, cmd) == EINVAL) { | |
547 | t->mode = T_STANDBY; | |
548 | if (t->standby) | |
549 | t->standby (client); | |
550 | return EINVAL; | |
551 | } | |
552 | return 0; | |
f7ce3cc6 MCC |
553 | } |
554 | ||
555 | #define switch_v4l2() if (!t->using_v4l2) \ | |
4ac97914 MCC |
556 | tuner_dbg("switching to v4l2\n"); \ |
557 | t->using_v4l2 = 1; | |
f7ce3cc6 MCC |
558 | |
559 | static inline int check_v4l2(struct tuner *t) | |
560 | { | |
3bbe5a83 HV |
561 | /* bttv still uses both v4l1 and v4l2 calls to the tuner (v4l2 for |
562 | TV, v4l1 for radio), until that is fixed this code is disabled. | |
563 | Otherwise the radio (v4l1) wouldn't tune after using the TV (v4l2) | |
564 | first. */ | |
f7ce3cc6 MCC |
565 | return 0; |
566 | } | |
1da177e4 | 567 | |
f7ce3cc6 | 568 | static int tuner_command(struct i2c_client *client, unsigned int cmd, void *arg) |
1da177e4 LT |
569 | { |
570 | struct tuner *t = i2c_get_clientdata(client); | |
1da177e4 | 571 | |
f9195ded | 572 | if (tuner_debug>1) |
5e453dc7 MK |
573 | v4l_i2c_print_ioctl(&(t->i2c),cmd); |
574 | ||
f7ce3cc6 | 575 | switch (cmd) { |
1da177e4 | 576 | /* --- configuration --- */ |
56fc08ca | 577 | case TUNER_SET_TYPE_ADDR: |
f7ce3cc6 MCC |
578 | tuner_dbg ("Calling set_type_addr for type=%d, addr=0x%02x, mode=0x%02x\n", |
579 | ((struct tuner_setup *)arg)->type, | |
580 | ((struct tuner_setup *)arg)->addr, | |
581 | ((struct tuner_setup *)arg)->mode_mask); | |
582 | ||
583 | set_addr(client, (struct tuner_setup *)arg); | |
391cd727 | 584 | break; |
1da177e4 | 585 | case AUDC_SET_RADIO: |
27487d44 HV |
586 | if (set_mode(client, t, V4L2_TUNER_RADIO, "AUDC_SET_RADIO") |
587 | == EINVAL) | |
588 | return 0; | |
589 | if (t->radio_freq) | |
590 | set_freq(client, t->radio_freq); | |
1da177e4 | 591 | break; |
793cf9e6 | 592 | case TUNER_SET_STANDBY: |
27487d44 HV |
593 | if (check_mode(t, "TUNER_SET_STANDBY") == EINVAL) |
594 | return 0; | |
595 | if (t->standby) | |
596 | t->standby (client); | |
597 | break; | |
fd3113e8 MCC |
598 | case VIDIOCSAUDIO: |
599 | if (check_mode(t, "VIDIOCSAUDIO") == EINVAL) | |
600 | return 0; | |
601 | if (check_v4l2(t) == EINVAL) | |
602 | return 0; | |
603 | ||
604 | /* Should be implemented, since bttv calls it */ | |
605 | tuner_dbg("VIDIOCSAUDIO not implemented.\n"); | |
f7ce3cc6 | 606 | break; |
1da177e4 LT |
607 | /* --- v4l ioctls --- */ |
608 | /* take care: bttv does userspace copying, we'll get a | |
609 | kernel pointer here... */ | |
610 | case VIDIOCSCHAN: | |
f7ce3cc6 MCC |
611 | { |
612 | static const v4l2_std_id map[] = { | |
613 | [VIDEO_MODE_PAL] = V4L2_STD_PAL, | |
614 | [VIDEO_MODE_NTSC] = V4L2_STD_NTSC_M, | |
615 | [VIDEO_MODE_SECAM] = V4L2_STD_SECAM, | |
616 | [4 /* bttv */ ] = V4L2_STD_PAL_M, | |
617 | [5 /* bttv */ ] = V4L2_STD_PAL_N, | |
618 | [6 /* bttv */ ] = V4L2_STD_NTSC_M_JP, | |
619 | }; | |
620 | struct video_channel *vc = arg; | |
621 | ||
622 | if (check_v4l2(t) == EINVAL) | |
623 | return 0; | |
624 | ||
625 | if (set_mode(client,t,V4L2_TUNER_ANALOG_TV, "VIDIOCSCHAN")==EINVAL) | |
626 | return 0; | |
627 | ||
628 | if (vc->norm < ARRAY_SIZE(map)) | |
629 | t->std = map[vc->norm]; | |
630 | tuner_fixup_std(t); | |
27487d44 HV |
631 | if (t->tv_freq) |
632 | set_tv_freq(client, t->tv_freq); | |
f7ce3cc6 MCC |
633 | return 0; |
634 | } | |
1da177e4 | 635 | case VIDIOCSFREQ: |
f7ce3cc6 MCC |
636 | { |
637 | unsigned long *v = arg; | |
1da177e4 | 638 | |
f7ce3cc6 MCC |
639 | if (check_mode(t, "VIDIOCSFREQ") == EINVAL) |
640 | return 0; | |
641 | if (check_v4l2(t) == EINVAL) | |
642 | return 0; | |
643 | ||
644 | set_freq(client, *v); | |
645 | return 0; | |
646 | } | |
1da177e4 | 647 | case VIDIOCGTUNER: |
f7ce3cc6 MCC |
648 | { |
649 | struct video_tuner *vt = arg; | |
650 | ||
651 | if (check_mode(t, "VIDIOCGTUNER") == EINVAL) | |
652 | return 0; | |
653 | if (check_v4l2(t) == EINVAL) | |
654 | return 0; | |
655 | ||
656 | if (V4L2_TUNER_RADIO == t->mode) { | |
657 | if (t->has_signal) | |
658 | vt->signal = t->has_signal(client); | |
659 | if (t->is_stereo) { | |
660 | if (t->is_stereo(client)) | |
661 | vt->flags |= | |
662 | VIDEO_TUNER_STEREO_ON; | |
663 | else | |
664 | vt->flags &= | |
665 | ~VIDEO_TUNER_STEREO_ON; | |
666 | } | |
667 | vt->flags |= VIDEO_TUNER_LOW; /* Allow freqs at 62.5 Hz */ | |
586b0cab | 668 | |
f7ce3cc6 MCC |
669 | vt->rangelow = radio_range[0] * 16000; |
670 | vt->rangehigh = radio_range[1] * 16000; | |
586b0cab | 671 | |
f7ce3cc6 MCC |
672 | } else { |
673 | vt->rangelow = tv_range[0] * 16; | |
674 | vt->rangehigh = tv_range[1] * 16; | |
675 | } | |
56fc08ca | 676 | |
f7ce3cc6 MCC |
677 | return 0; |
678 | } | |
1da177e4 | 679 | case VIDIOCGAUDIO: |
f7ce3cc6 MCC |
680 | { |
681 | struct video_audio *va = arg; | |
682 | ||
683 | if (check_mode(t, "VIDIOCGAUDIO") == EINVAL) | |
684 | return 0; | |
685 | if (check_v4l2(t) == EINVAL) | |
686 | return 0; | |
687 | ||
688 | if (V4L2_TUNER_RADIO == t->mode && t->is_stereo) | |
689 | va->mode = t->is_stereo(client) | |
690 | ? VIDEO_SOUND_STEREO : VIDEO_SOUND_MONO; | |
691 | return 0; | |
692 | } | |
1da177e4 LT |
693 | |
694 | case VIDIOC_S_STD: | |
f7ce3cc6 MCC |
695 | { |
696 | v4l2_std_id *id = arg; | |
1da177e4 | 697 | |
f7ce3cc6 MCC |
698 | if (set_mode (client, t, V4L2_TUNER_ANALOG_TV, "VIDIOC_S_STD") |
699 | == EINVAL) | |
700 | return 0; | |
56fc08ca | 701 | |
f7ce3cc6 MCC |
702 | switch_v4l2(); |
703 | ||
704 | t->std = *id; | |
705 | tuner_fixup_std(t); | |
27487d44 HV |
706 | if (t->tv_freq) |
707 | set_freq(client, t->tv_freq); | |
f7ce3cc6 MCC |
708 | break; |
709 | } | |
1da177e4 | 710 | case VIDIOC_S_FREQUENCY: |
f7ce3cc6 MCC |
711 | { |
712 | struct v4l2_frequency *f = arg; | |
713 | ||
f7ce3cc6 | 714 | switch_v4l2(); |
df8cf706 HH |
715 | if ((V4L2_TUNER_RADIO == f->type && V4L2_TUNER_RADIO != t->mode) |
716 | || (V4L2_TUNER_DIGITAL_TV == f->type | |
717 | && V4L2_TUNER_DIGITAL_TV != t->mode)) { | |
4ac97914 | 718 | if (set_mode (client, t, f->type, "VIDIOC_S_FREQUENCY") |
f7ce3cc6 MCC |
719 | == EINVAL) |
720 | return 0; | |
721 | } | |
27487d44 | 722 | set_freq(client,f->frequency); |
c184ca36 | 723 | |
f7ce3cc6 MCC |
724 | break; |
725 | } | |
726 | case VIDIOC_G_FREQUENCY: | |
727 | { | |
728 | struct v4l2_frequency *f = arg; | |
729 | ||
730 | if (check_mode(t, "VIDIOC_G_FREQUENCY") == EINVAL) | |
731 | return 0; | |
732 | switch_v4l2(); | |
733 | f->type = t->mode; | |
27487d44 HV |
734 | f->frequency = (V4L2_TUNER_RADIO == t->mode) ? |
735 | t->radio_freq : t->tv_freq; | |
f7ce3cc6 MCC |
736 | break; |
737 | } | |
1da177e4 | 738 | case VIDIOC_G_TUNER: |
f7ce3cc6 MCC |
739 | { |
740 | struct v4l2_tuner *tuner = arg; | |
741 | ||
742 | if (check_mode(t, "VIDIOC_G_TUNER") == EINVAL) | |
743 | return 0; | |
744 | switch_v4l2(); | |
745 | ||
8a4b275f | 746 | tuner->type = t->mode; |
ab4cecf9 HV |
747 | if (t->mode == V4L2_TUNER_ANALOG_TV) |
748 | tuner->capability |= V4L2_TUNER_CAP_NORM; | |
8a4b275f | 749 | if (t->mode != V4L2_TUNER_RADIO) { |
f7ce3cc6 MCC |
750 | tuner->rangelow = tv_range[0] * 16; |
751 | tuner->rangehigh = tv_range[1] * 16; | |
8a4b275f HV |
752 | break; |
753 | } | |
754 | ||
755 | /* radio mode */ | |
756 | if (t->has_signal) | |
757 | tuner->signal = t->has_signal(client); | |
758 | ||
759 | tuner->rxsubchans = | |
760 | V4L2_TUNER_SUB_MONO | V4L2_TUNER_SUB_STEREO; | |
761 | if (t->is_stereo) { | |
762 | tuner->rxsubchans = t->is_stereo(client) ? | |
763 | V4L2_TUNER_SUB_STEREO : V4L2_TUNER_SUB_MONO; | |
56fc08ca | 764 | } |
8a4b275f HV |
765 | |
766 | tuner->capability |= | |
767 | V4L2_TUNER_CAP_LOW | V4L2_TUNER_CAP_STEREO; | |
768 | tuner->audmode = t->audmode; | |
769 | tuner->rangelow = radio_range[0] * 16000; | |
770 | tuner->rangehigh = radio_range[1] * 16000; | |
f7ce3cc6 MCC |
771 | break; |
772 | } | |
773 | case VIDIOC_S_TUNER: | |
774 | { | |
775 | struct v4l2_tuner *tuner = arg; | |
776 | ||
777 | if (check_mode(t, "VIDIOC_S_TUNER") == EINVAL) | |
778 | return 0; | |
779 | ||
780 | switch_v4l2(); | |
781 | ||
8a4b275f HV |
782 | /* do nothing unless we're a radio tuner */ |
783 | if (t->mode != V4L2_TUNER_RADIO) | |
784 | break; | |
785 | t->audmode = tuner->audmode; | |
786 | set_radio_freq(client, t->radio_freq); | |
f7ce3cc6 | 787 | break; |
56fc08ca | 788 | } |
cd43c3f6 HV |
789 | case VIDIOC_LOG_STATUS: |
790 | tuner_status(client); | |
791 | break; | |
1da177e4 LT |
792 | } |
793 | ||
794 | return 0; | |
795 | } | |
796 | ||
9480e307 | 797 | static int tuner_suspend(struct device *dev, pm_message_t state) |
1da177e4 | 798 | { |
f7ce3cc6 MCC |
799 | struct i2c_client *c = container_of (dev, struct i2c_client, dev); |
800 | struct tuner *t = i2c_get_clientdata (c); | |
1da177e4 | 801 | |
f7ce3cc6 | 802 | tuner_dbg ("suspend\n"); |
1da177e4 LT |
803 | /* FIXME: power down ??? */ |
804 | return 0; | |
805 | } | |
806 | ||
9480e307 | 807 | static int tuner_resume(struct device *dev) |
1da177e4 | 808 | { |
f7ce3cc6 MCC |
809 | struct i2c_client *c = container_of (dev, struct i2c_client, dev); |
810 | struct tuner *t = i2c_get_clientdata (c); | |
1da177e4 | 811 | |
f7ce3cc6 | 812 | tuner_dbg ("resume\n"); |
27487d44 HV |
813 | if (V4L2_TUNER_RADIO == t->mode) { |
814 | if (t->radio_freq) | |
815 | set_freq(c, t->radio_freq); | |
816 | } else { | |
817 | if (t->tv_freq) | |
818 | set_freq(c, t->tv_freq); | |
819 | } | |
1da177e4 LT |
820 | return 0; |
821 | } | |
822 | ||
823 | /* ----------------------------------------------------------------------- */ | |
824 | ||
825 | static struct i2c_driver driver = { | |
f7ce3cc6 | 826 | .id = I2C_DRIVERID_TUNER, |
f7ce3cc6 MCC |
827 | .attach_adapter = tuner_probe, |
828 | .detach_client = tuner_detach, | |
829 | .command = tuner_command, | |
1da177e4 | 830 | .driver = { |
cab462f7 MCC |
831 | .name = "tuner", |
832 | .suspend = tuner_suspend, | |
833 | .resume = tuner_resume, | |
834 | }, | |
1da177e4 | 835 | }; |
f7ce3cc6 | 836 | static struct i2c_client client_template = { |
fae91e72 | 837 | .name = "(tuner unset)", |
f7ce3cc6 | 838 | .driver = &driver, |
1da177e4 LT |
839 | }; |
840 | ||
841 | static int __init tuner_init_module(void) | |
842 | { | |
843 | return i2c_add_driver(&driver); | |
844 | } | |
845 | ||
846 | static void __exit tuner_cleanup_module(void) | |
847 | { | |
848 | i2c_del_driver(&driver); | |
849 | } | |
850 | ||
851 | module_init(tuner_init_module); | |
852 | module_exit(tuner_cleanup_module); | |
853 | ||
854 | /* | |
855 | * Overrides for Emacs so that we follow Linus's tabbing style. | |
856 | * --------------------------------------------------------------------------- | |
857 | * Local variables: | |
858 | * c-basic-offset: 8 | |
859 | * End: | |
860 | */ |