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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> | |
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> | |
23 | #include <media/audiochip.h> | |
24 | ||
fd3113e8 MCC |
25 | #include "msp3400.h" |
26 | ||
1da177e4 LT |
27 | #define UNSET (-1U) |
28 | ||
29 | /* standard i2c insmod options */ | |
30 | static unsigned short normal_i2c[] = { | |
de48eebc | 31 | 0x42, 0x43, 0x4a, 0x4b, /* tda8290 */ |
f5bec396 MCC |
32 | 0x60, 0x61, 0x62, 0x63, 0x64, 0x65, 0x66, 0x67, |
33 | 0x68, 0x69, 0x6a, 0x6b, 0x6c, 0x6d, 0x6e, 0x6f, | |
1da177e4 LT |
34 | I2C_CLIENT_END |
35 | }; | |
f7ce3cc6 | 36 | |
1da177e4 LT |
37 | I2C_CLIENT_INSMOD; |
38 | ||
39 | /* insmod options used at init time => read/only */ | |
f7ce3cc6 | 40 | static unsigned int addr = 0; |
c5287ba1 | 41 | static unsigned int no_autodetect = 0; |
fd3113e8 | 42 | static unsigned int show_i2c = 0; |
fd3113e8 | 43 | |
1da177e4 | 44 | /* insmod options used at runtime => read/write */ |
f7ce3cc6 | 45 | unsigned int tuner_debug = 0; |
1da177e4 | 46 | |
f7ce3cc6 | 47 | static unsigned int tv_range[2] = { 44, 958 }; |
1da177e4 LT |
48 | static unsigned int radio_range[2] = { 65, 108 }; |
49 | ||
7e578191 MCC |
50 | static char pal[] = "--"; |
51 | static char secam[] = "--"; | |
52 | static char ntsc[] = "-"; | |
53 | ||
54 | module_param(addr, int, 0444); | |
55 | module_param(no_autodetect, int, 0444); | |
56 | module_param(show_i2c, int, 0444); | |
57 | module_param(tuner_debug, int, 0644); | |
58 | ||
59 | module_param_string(pal, pal, sizeof(pal), 0644); | |
60 | module_param_string(secam, secam, sizeof(secam), 0644); | |
61 | module_param_string(ntsc, ntsc, sizeof(ntsc), 0644); | |
f7ce3cc6 | 62 | module_param_array(tv_range, int, NULL, 0644); |
1da177e4 LT |
63 | module_param_array(radio_range, int, NULL, 0644); |
64 | ||
65 | MODULE_DESCRIPTION("device driver for various TV and TV+FM radio tuners"); | |
66 | MODULE_AUTHOR("Ralph Metzler, Gerd Knorr, Gunther Mayer"); | |
67 | MODULE_LICENSE("GPL"); | |
68 | ||
1da177e4 LT |
69 | static struct i2c_driver driver; |
70 | static struct i2c_client client_template; | |
71 | ||
72 | /* ---------------------------------------------------------------------- */ | |
73 | ||
56fc08ca | 74 | /* Set tuner frequency, freq in Units of 62.5kHz = 1/16MHz */ |
1da177e4 LT |
75 | static void set_tv_freq(struct i2c_client *c, unsigned int freq) |
76 | { | |
77 | struct tuner *t = i2c_get_clientdata(c); | |
78 | ||
79 | if (t->type == UNSET) { | |
f7ce3cc6 | 80 | tuner_warn ("tuner type not set\n"); |
1da177e4 LT |
81 | return; |
82 | } | |
83 | if (NULL == t->tv_freq) { | |
f7ce3cc6 | 84 | tuner_warn ("Tuner has no way to set tv freq\n"); |
1da177e4 LT |
85 | return; |
86 | } | |
f7ce3cc6 MCC |
87 | if (freq < tv_range[0] * 16 || freq > tv_range[1] * 16) { |
88 | tuner_dbg ("TV freq (%d.%02d) out of range (%d-%d)\n", | |
89 | freq / 16, freq % 16 * 100 / 16, tv_range[0], | |
90 | tv_range[1]); | |
1da177e4 | 91 | } |
f7ce3cc6 | 92 | t->tv_freq(c, freq); |
1da177e4 LT |
93 | } |
94 | ||
95 | static void set_radio_freq(struct i2c_client *c, unsigned int freq) | |
96 | { | |
97 | struct tuner *t = i2c_get_clientdata(c); | |
98 | ||
99 | if (t->type == UNSET) { | |
f7ce3cc6 | 100 | tuner_warn ("tuner type not set\n"); |
1da177e4 LT |
101 | return; |
102 | } | |
103 | if (NULL == t->radio_freq) { | |
f7ce3cc6 | 104 | tuner_warn ("tuner has no way to set radio frequency\n"); |
1da177e4 LT |
105 | return; |
106 | } | |
f7ce3cc6 MCC |
107 | if (freq <= radio_range[0] * 16000 || freq >= radio_range[1] * 16000) { |
108 | tuner_dbg ("radio freq (%d.%02d) out of range (%d-%d)\n", | |
109 | freq / 16000, freq % 16000 * 100 / 16000, | |
110 | radio_range[0], radio_range[1]); | |
1da177e4 | 111 | } |
586b0cab | 112 | |
f7ce3cc6 | 113 | t->radio_freq(c, freq); |
586b0cab | 114 | return; |
1da177e4 LT |
115 | } |
116 | ||
117 | static void set_freq(struct i2c_client *c, unsigned long freq) | |
118 | { | |
119 | struct tuner *t = i2c_get_clientdata(c); | |
120 | ||
121 | switch (t->mode) { | |
122 | case V4L2_TUNER_RADIO: | |
123 | tuner_dbg("radio freq set to %lu.%02lu\n", | |
f7ce3cc6 MCC |
124 | freq / 16000, freq % 16000 * 100 / 16000); |
125 | set_radio_freq(c, freq); | |
1da177e4 LT |
126 | break; |
127 | case V4L2_TUNER_ANALOG_TV: | |
128 | case V4L2_TUNER_DIGITAL_TV: | |
129 | tuner_dbg("tv freq set to %lu.%02lu\n", | |
f7ce3cc6 | 130 | freq / 16, freq % 16 * 100 / 16); |
1da177e4 LT |
131 | set_tv_freq(c, freq); |
132 | break; | |
133 | } | |
134 | t->freq = freq; | |
135 | } | |
136 | ||
f7ce3cc6 MCC |
137 | static void set_type(struct i2c_client *c, unsigned int type, |
138 | unsigned int new_mode_mask) | |
1da177e4 LT |
139 | { |
140 | struct tuner *t = i2c_get_clientdata(c); | |
586b0cab | 141 | unsigned char buffer[4]; |
1da177e4 | 142 | |
f7ce3cc6 MCC |
143 | if (type == UNSET || type == TUNER_ABSENT) { |
144 | tuner_dbg ("tuner 0x%02x: Tuner type absent\n",c->addr); | |
1da177e4 | 145 | return; |
f7ce3cc6 MCC |
146 | } |
147 | ||
148 | if (type >= tuner_count) { | |
149 | tuner_warn ("tuner 0x%02x: Tuner count greater than %d\n",c->addr,tuner_count); | |
1da177e4 | 150 | return; |
f7ce3cc6 | 151 | } |
1da177e4 | 152 | |
f7ce3cc6 | 153 | /* This code detects calls by card attach_inform */ |
1da177e4 | 154 | if (NULL == t->i2c.dev.driver) { |
f7ce3cc6 MCC |
155 | tuner_dbg ("tuner 0x%02x: called during i2c_client register by adapter's attach_inform\n", c->addr); |
156 | ||
157 | t->type=type; | |
1da177e4 LT |
158 | return; |
159 | } | |
56fc08ca | 160 | |
1da177e4 | 161 | t->type = type; |
f7ce3cc6 | 162 | |
1da177e4 LT |
163 | switch (t->type) { |
164 | case TUNER_MT2032: | |
165 | microtune_init(c); | |
166 | break; | |
167 | case TUNER_PHILIPS_TDA8290: | |
168 | tda8290_init(c); | |
169 | break; | |
586b0cab | 170 | case TUNER_TEA5767: |
f7ce3cc6 MCC |
171 | if (tea5767_tuner_init(c) == EINVAL) { |
172 | t->type = TUNER_ABSENT; | |
173 | t->mode_mask = T_UNINITIALIZED; | |
174 | return; | |
175 | } | |
176 | t->mode_mask = T_RADIO; | |
586b0cab MCC |
177 | break; |
178 | case TUNER_PHILIPS_FMD1216ME_MK3: | |
179 | buffer[0] = 0x0b; | |
180 | buffer[1] = 0xdc; | |
181 | buffer[2] = 0x9c; | |
182 | buffer[3] = 0x60; | |
f7ce3cc6 | 183 | i2c_master_send(c, buffer, 4); |
586b0cab MCC |
184 | mdelay(1); |
185 | buffer[2] = 0x86; | |
186 | buffer[3] = 0x54; | |
f7ce3cc6 | 187 | i2c_master_send(c, buffer, 4); |
586b0cab MCC |
188 | default_tuner_init(c); |
189 | break; | |
793cf9e6 MCC |
190 | case TUNER_LG_TDVS_H062F: |
191 | /* Set the Auxiliary Byte. */ | |
192 | buffer[2] &= ~0x20; | |
193 | buffer[2] |= 0x18; | |
194 | buffer[3] = 0x20; | |
195 | i2c_master_send(c, buffer, 4); | |
196 | default_tuner_init(c); | |
197 | break; | |
93df3413 HH |
198 | case TUNER_PHILIPS_TD1316: |
199 | buffer[0] = 0x0b; | |
200 | buffer[1] = 0xdc; | |
201 | buffer[2] = 0x86; | |
202 | buffer[3] = 0xa4; | |
203 | i2c_master_send(c,buffer,4); | |
204 | default_tuner_init(c); | |
1da177e4 LT |
205 | default: |
206 | default_tuner_init(c); | |
207 | break; | |
208 | } | |
f7ce3cc6 MCC |
209 | |
210 | if (t->mode_mask == T_UNINITIALIZED) | |
211 | t->mode_mask = new_mode_mask; | |
212 | ||
213 | set_freq(c, t->freq); | |
214 | tuner_dbg("%s %s I2C addr 0x%02x with type %d used for 0x%02x\n", | |
604f28e2 | 215 | c->adapter->name, c->driver->driver.name, c->addr << 1, type, |
f7ce3cc6 | 216 | t->mode_mask); |
1da177e4 LT |
217 | } |
218 | ||
f7ce3cc6 MCC |
219 | /* |
220 | * This function apply tuner config to tuner specified | |
221 | * by tun_setup structure. I addr is unset, then admin status | |
222 | * and tun addr status is more precise then current status, | |
223 | * it's applied. Otherwise status and type are applied only to | |
224 | * tuner with exactly the same addr. | |
225 | */ | |
226 | ||
227 | static void set_addr(struct i2c_client *c, struct tuner_setup *tun_setup) | |
228 | { | |
229 | struct tuner *t = i2c_get_clientdata(c); | |
230 | ||
291d1d73 | 231 | if ( t->type == UNSET && ((tun_setup->addr == ADDR_UNSET && |
793cf9e6 | 232 | (t->mode_mask & tun_setup->mode_mask)) || |
291d1d73 | 233 | tun_setup->addr == c->addr)) { |
f7ce3cc6 | 234 | set_type(c, tun_setup->type, tun_setup->mode_mask); |
f7ce3cc6 MCC |
235 | } |
236 | } | |
56fc08ca | 237 | |
f7ce3cc6 | 238 | static inline int check_mode(struct tuner *t, char *cmd) |
56fc08ca | 239 | { |
793cf9e6 MCC |
240 | if ((1 << t->mode & t->mode_mask) == 0) { |
241 | return EINVAL; | |
242 | } | |
243 | ||
244 | switch (t->mode) { | |
245 | case V4L2_TUNER_RADIO: | |
246 | tuner_dbg("Cmd %s accepted for radio\n", cmd); | |
247 | break; | |
248 | case V4L2_TUNER_ANALOG_TV: | |
249 | tuner_dbg("Cmd %s accepted for analog TV\n", cmd); | |
250 | break; | |
251 | case V4L2_TUNER_DIGITAL_TV: | |
252 | tuner_dbg("Cmd %s accepted for digital TV\n", cmd); | |
253 | break; | |
56fc08ca | 254 | } |
793cf9e6 | 255 | return 0; |
56fc08ca | 256 | } |
56fc08ca | 257 | |
f7ce3cc6 | 258 | /* get more precise norm info from insmod option */ |
1da177e4 LT |
259 | static int tuner_fixup_std(struct tuner *t) |
260 | { | |
261 | if ((t->std & V4L2_STD_PAL) == V4L2_STD_PAL) { | |
1da177e4 LT |
262 | switch (pal[0]) { |
263 | case 'b': | |
264 | case 'B': | |
265 | case 'g': | |
266 | case 'G': | |
f7ce3cc6 | 267 | tuner_dbg ("insmod fixup: PAL => PAL-BG\n"); |
1da177e4 LT |
268 | t->std = V4L2_STD_PAL_BG; |
269 | break; | |
270 | case 'i': | |
271 | case 'I': | |
f7ce3cc6 | 272 | tuner_dbg ("insmod fixup: PAL => PAL-I\n"); |
1da177e4 LT |
273 | t->std = V4L2_STD_PAL_I; |
274 | break; | |
275 | case 'd': | |
276 | case 'D': | |
277 | case 'k': | |
278 | case 'K': | |
f7ce3cc6 | 279 | tuner_dbg ("insmod fixup: PAL => PAL-DK\n"); |
1da177e4 LT |
280 | t->std = V4L2_STD_PAL_DK; |
281 | break; | |
f7ce3cc6 MCC |
282 | case 'M': |
283 | case 'm': | |
284 | tuner_dbg ("insmod fixup: PAL => PAL-M\n"); | |
285 | t->std = V4L2_STD_PAL_M; | |
286 | break; | |
287 | case 'N': | |
288 | case 'n': | |
7e578191 MCC |
289 | if (pal[1] == 'c' || pal[1] == 'C') { |
290 | tuner_dbg("insmod fixup: PAL => PAL-Nc\n"); | |
291 | t->std = V4L2_STD_PAL_Nc; | |
292 | } else { | |
293 | tuner_dbg ("insmod fixup: PAL => PAL-N\n"); | |
294 | t->std = V4L2_STD_PAL_N; | |
295 | } | |
f7ce3cc6 | 296 | break; |
21d4df37 MCC |
297 | case '-': |
298 | /* default parameter, do nothing */ | |
299 | break; | |
300 | default: | |
301 | tuner_warn ("pal= argument not recognised\n"); | |
302 | break; | |
1da177e4 LT |
303 | } |
304 | } | |
f7ce3cc6 MCC |
305 | if ((t->std & V4L2_STD_SECAM) == V4L2_STD_SECAM) { |
306 | switch (secam[0]) { | |
7e578191 MCC |
307 | case 'b': |
308 | case 'B': | |
309 | case 'g': | |
310 | case 'G': | |
311 | case 'h': | |
312 | case 'H': | |
313 | tuner_dbg("insmod fixup: SECAM => SECAM-BGH\n"); | |
314 | t->std = V4L2_STD_SECAM_B | V4L2_STD_SECAM_G | V4L2_STD_SECAM_H; | |
315 | break; | |
f7ce3cc6 MCC |
316 | case 'd': |
317 | case 'D': | |
318 | case 'k': | |
319 | case 'K': | |
320 | tuner_dbg ("insmod fixup: SECAM => SECAM-DK\n"); | |
321 | t->std = V4L2_STD_SECAM_DK; | |
322 | break; | |
323 | case 'l': | |
324 | case 'L': | |
800d3c6f MCC |
325 | if ((secam[1]=='C')||(secam[1]=='c')) { |
326 | tuner_dbg ("insmod fixup: SECAM => SECAM-L'\n"); | |
327 | t->std = V4L2_STD_SECAM_LC; | |
328 | } else { | |
329 | tuner_dbg ("insmod fixup: SECAM => SECAM-L\n"); | |
330 | t->std = V4L2_STD_SECAM_L; | |
331 | } | |
f7ce3cc6 | 332 | break; |
21d4df37 MCC |
333 | case '-': |
334 | /* default parameter, do nothing */ | |
335 | break; | |
336 | default: | |
337 | tuner_warn ("secam= argument not recognised\n"); | |
338 | break; | |
f7ce3cc6 MCC |
339 | } |
340 | } | |
341 | ||
7e578191 MCC |
342 | if ((t->std & V4L2_STD_NTSC) == V4L2_STD_NTSC) { |
343 | switch (ntsc[0]) { | |
344 | case 'm': | |
345 | case 'M': | |
346 | tuner_dbg("insmod fixup: NTSC => NTSC-M\n"); | |
347 | t->std = V4L2_STD_NTSC_M; | |
348 | break; | |
349 | case 'j': | |
350 | case 'J': | |
351 | tuner_dbg("insmod fixup: NTSC => NTSC_M_JP\n"); | |
352 | t->std = V4L2_STD_NTSC_M_JP; | |
353 | break; | |
354 | case '-': | |
355 | /* default parameter, do nothing */ | |
356 | break; | |
357 | default: | |
358 | tuner_info("ntsc= argument not recognised\n"); | |
359 | break; | |
360 | } | |
361 | } | |
1da177e4 LT |
362 | return 0; |
363 | } | |
364 | ||
7e578191 MCC |
365 | static void tuner_status(struct i2c_client *client) |
366 | { | |
367 | struct tuner *t = i2c_get_clientdata(client); | |
368 | unsigned long freq, freq_fraction; | |
369 | const char *p; | |
370 | ||
371 | switch (t->mode) { | |
372 | case V4L2_TUNER_RADIO: p = "radio"; break; | |
373 | case V4L2_TUNER_ANALOG_TV: p = "analog TV"; break; | |
374 | case V4L2_TUNER_DIGITAL_TV: p = "digital TV"; break; | |
375 | default: p = "undefined"; break; | |
376 | } | |
377 | if (t->mode == V4L2_TUNER_RADIO) { | |
378 | freq = t->freq / 16000; | |
379 | freq_fraction = (t->freq % 16000) * 100 / 16000; | |
380 | } else { | |
381 | freq = t->freq / 16; | |
382 | freq_fraction = (t->freq % 16) * 100 / 16; | |
383 | } | |
384 | tuner_info("Tuner mode: %s\n", p); | |
385 | tuner_info("Frequency: %lu.%02lu MHz\n", freq, freq_fraction); | |
386 | tuner_info("Standard: 0x%08llx\n", t->std); | |
387 | if (t->mode == V4L2_TUNER_RADIO) { | |
388 | if (t->has_signal) { | |
389 | tuner_info("Signal strength: %d\n", t->has_signal(client)); | |
390 | } | |
391 | if (t->is_stereo) { | |
392 | tuner_info("Stereo: %s\n", t->is_stereo(client) ? "yes" : "no"); | |
393 | } | |
394 | } | |
395 | } | |
1da177e4 LT |
396 | /* ---------------------------------------------------------------------- */ |
397 | ||
f7ce3cc6 MCC |
398 | /* static var Used only in tuner_attach and tuner_probe */ |
399 | static unsigned default_mode_mask; | |
400 | ||
401 | /* During client attach, set_type is called by adapter's attach_inform callback. | |
402 | set_type must then be completed by tuner_attach. | |
403 | */ | |
1da177e4 LT |
404 | static int tuner_attach(struct i2c_adapter *adap, int addr, int kind) |
405 | { | |
406 | struct tuner *t; | |
407 | ||
f7ce3cc6 MCC |
408 | client_template.adapter = adap; |
409 | client_template.addr = addr; | |
1da177e4 | 410 | |
f7ce3cc6 MCC |
411 | t = kmalloc(sizeof(struct tuner), GFP_KERNEL); |
412 | if (NULL == t) | |
413 | return -ENOMEM; | |
414 | memset(t, 0, sizeof(struct tuner)); | |
415 | memcpy(&t->i2c, &client_template, sizeof(struct i2c_client)); | |
1da177e4 | 416 | i2c_set_clientdata(&t->i2c, t); |
f7ce3cc6 MCC |
417 | t->type = UNSET; |
418 | t->radio_if2 = 10700 * 1000; /* 10.7MHz - FM radio */ | |
419 | t->audmode = V4L2_TUNER_MODE_STEREO; | |
420 | t->mode_mask = T_UNINITIALIZED; | |
421 | ||
fd3113e8 MCC |
422 | if (show_i2c) { |
423 | unsigned char buffer[16]; | |
424 | int i,rc; | |
425 | ||
426 | memset(buffer, 0, sizeof(buffer)); | |
427 | rc = i2c_master_recv(&t->i2c, buffer, sizeof(buffer)); | |
67678360 | 428 | tuner_info("I2C RECV = "); |
fd3113e8 MCC |
429 | for (i=0;i<rc;i++) |
430 | printk("%02x ",buffer[i]); | |
431 | printk("\n"); | |
432 | } | |
f7ce3cc6 | 433 | /* TEA5767 autodetection code - only for addr = 0xc0 */ |
c5287ba1 | 434 | if (!no_autodetect) { |
13dd38d0 | 435 | switch (addr) { |
13dd38d0 MCC |
436 | case 0x42: |
437 | case 0x43: | |
438 | case 0x4a: | |
95736034 | 439 | case 0x4b: |
67678360 MCC |
440 | /* If chip is not tda8290, don't register. |
441 | since it can be tda9887*/ | |
95736034 | 442 | if (tda8290_probe(&t->i2c) != 0) { |
b228ede4 | 443 | tuner_dbg("chip at addr %x is not a tda8290\n", addr); |
13dd38d0 MCC |
444 | kfree(t); |
445 | return 0; | |
446 | } | |
07345f5d HH |
447 | break; |
448 | case 0x60: | |
449 | if (tea5767_autodetection(&t->i2c) != EINVAL) { | |
450 | t->type = TUNER_TEA5767; | |
451 | t->mode_mask = T_RADIO; | |
452 | t->mode = T_STANDBY; | |
453 | t->freq = 87.5 * 16; /* Sets freq to FM range */ | |
454 | default_mode_mask &= ~T_RADIO; | |
13dd38d0 | 455 | |
07345f5d HH |
456 | goto register_client; |
457 | } | |
458 | break; | |
f7ce3cc6 MCC |
459 | } |
460 | } | |
1da177e4 | 461 | |
f7ce3cc6 MCC |
462 | /* Initializes only the first adapter found */ |
463 | if (default_mode_mask != T_UNINITIALIZED) { | |
464 | tuner_dbg ("Setting mode_mask to 0x%02x\n", default_mode_mask); | |
465 | t->mode_mask = default_mode_mask; | |
466 | t->freq = 400 * 16; /* Sets freq to VHF High */ | |
467 | default_mode_mask = T_UNINITIALIZED; | |
468 | } | |
56fc08ca | 469 | |
f7ce3cc6 | 470 | /* Should be just before return */ |
67678360 MCC |
471 | register_client: |
472 | tuner_info("chip found @ 0x%x (%s)\n", addr << 1, adap->name); | |
f7ce3cc6 MCC |
473 | i2c_attach_client (&t->i2c); |
474 | set_type (&t->i2c,t->type, t->mode_mask); | |
1da177e4 LT |
475 | return 0; |
476 | } | |
477 | ||
478 | static int tuner_probe(struct i2c_adapter *adap) | |
479 | { | |
480 | if (0 != addr) { | |
f5bec396 MCC |
481 | normal_i2c[0] = addr; |
482 | normal_i2c[1] = I2C_CLIENT_END; | |
1da177e4 | 483 | } |
1da177e4 | 484 | |
f7ce3cc6 | 485 | default_mode_mask = T_RADIO | T_ANALOG_TV | T_DIGITAL_TV; |
391cd727 | 486 | |
1da177e4 LT |
487 | if (adap->class & I2C_CLASS_TV_ANALOG) |
488 | return i2c_probe(adap, &addr_data, tuner_attach); | |
489 | return 0; | |
490 | } | |
491 | ||
492 | static int tuner_detach(struct i2c_client *client) | |
493 | { | |
494 | struct tuner *t = i2c_get_clientdata(client); | |
391cd727 MCC |
495 | int err; |
496 | ||
f7ce3cc6 | 497 | err = i2c_detach_client(&t->i2c); |
391cd727 | 498 | if (err) { |
f7ce3cc6 MCC |
499 | tuner_warn |
500 | ("Client deregistration failed, client not detached.\n"); | |
391cd727 MCC |
501 | return err; |
502 | } | |
1da177e4 | 503 | |
1da177e4 LT |
504 | kfree(t); |
505 | return 0; | |
506 | } | |
507 | ||
f7ce3cc6 MCC |
508 | /* |
509 | * Switch tuner to other mode. If tuner support both tv and radio, | |
510 | * set another frequency to some value (This is needed for some pal | |
511 | * tuners to avoid locking). Otherwise, just put second tuner in | |
512 | * standby mode. | |
513 | */ | |
514 | ||
515 | static inline int set_mode(struct i2c_client *client, struct tuner *t, int mode, char *cmd) | |
516 | { | |
4ac97914 MCC |
517 | if (mode == t->mode) |
518 | return 0; | |
519 | ||
520 | t->mode = mode; | |
521 | ||
522 | if (check_mode(t, cmd) == EINVAL) { | |
523 | t->mode = T_STANDBY; | |
524 | if (t->standby) | |
525 | t->standby (client); | |
526 | return EINVAL; | |
527 | } | |
528 | return 0; | |
f7ce3cc6 MCC |
529 | } |
530 | ||
531 | #define switch_v4l2() if (!t->using_v4l2) \ | |
4ac97914 MCC |
532 | tuner_dbg("switching to v4l2\n"); \ |
533 | t->using_v4l2 = 1; | |
f7ce3cc6 MCC |
534 | |
535 | static inline int check_v4l2(struct tuner *t) | |
536 | { | |
537 | if (t->using_v4l2) { | |
538 | tuner_dbg ("ignore v4l1 call\n"); | |
539 | return EINVAL; | |
540 | } | |
541 | return 0; | |
542 | } | |
1da177e4 | 543 | |
f7ce3cc6 | 544 | static int tuner_command(struct i2c_client *client, unsigned int cmd, void *arg) |
1da177e4 LT |
545 | { |
546 | struct tuner *t = i2c_get_clientdata(client); | |
1da177e4 | 547 | |
f7ce3cc6 | 548 | switch (cmd) { |
1da177e4 | 549 | /* --- configuration --- */ |
56fc08ca | 550 | case TUNER_SET_TYPE_ADDR: |
f7ce3cc6 MCC |
551 | tuner_dbg ("Calling set_type_addr for type=%d, addr=0x%02x, mode=0x%02x\n", |
552 | ((struct tuner_setup *)arg)->type, | |
553 | ((struct tuner_setup *)arg)->addr, | |
554 | ((struct tuner_setup *)arg)->mode_mask); | |
555 | ||
556 | set_addr(client, (struct tuner_setup *)arg); | |
391cd727 | 557 | break; |
1da177e4 | 558 | case AUDC_SET_RADIO: |
f7ce3cc6 | 559 | set_mode(client,t,V4L2_TUNER_RADIO, "AUDC_SET_RADIO"); |
1da177e4 | 560 | break; |
793cf9e6 MCC |
561 | case TUNER_SET_STANDBY: |
562 | { | |
563 | if (check_mode(t, "TUNER_SET_STANDBY") == EINVAL) | |
564 | return 0; | |
565 | if (t->standby) | |
566 | t->standby (client); | |
567 | break; | |
568 | } | |
fd3113e8 MCC |
569 | case VIDIOCSAUDIO: |
570 | if (check_mode(t, "VIDIOCSAUDIO") == EINVAL) | |
571 | return 0; | |
572 | if (check_v4l2(t) == EINVAL) | |
573 | return 0; | |
574 | ||
575 | /* Should be implemented, since bttv calls it */ | |
576 | tuner_dbg("VIDIOCSAUDIO not implemented.\n"); | |
577 | ||
578 | break; | |
579 | case MSP_SET_MATRIX: | |
f7ce3cc6 MCC |
580 | case TDA9887_SET_CONFIG: |
581 | break; | |
1da177e4 LT |
582 | /* --- v4l ioctls --- */ |
583 | /* take care: bttv does userspace copying, we'll get a | |
584 | kernel pointer here... */ | |
585 | case VIDIOCSCHAN: | |
f7ce3cc6 MCC |
586 | { |
587 | static const v4l2_std_id map[] = { | |
588 | [VIDEO_MODE_PAL] = V4L2_STD_PAL, | |
589 | [VIDEO_MODE_NTSC] = V4L2_STD_NTSC_M, | |
590 | [VIDEO_MODE_SECAM] = V4L2_STD_SECAM, | |
591 | [4 /* bttv */ ] = V4L2_STD_PAL_M, | |
592 | [5 /* bttv */ ] = V4L2_STD_PAL_N, | |
593 | [6 /* bttv */ ] = V4L2_STD_NTSC_M_JP, | |
594 | }; | |
595 | struct video_channel *vc = arg; | |
596 | ||
597 | if (check_v4l2(t) == EINVAL) | |
598 | return 0; | |
599 | ||
600 | if (set_mode(client,t,V4L2_TUNER_ANALOG_TV, "VIDIOCSCHAN")==EINVAL) | |
601 | return 0; | |
602 | ||
603 | if (vc->norm < ARRAY_SIZE(map)) | |
604 | t->std = map[vc->norm]; | |
605 | tuner_fixup_std(t); | |
606 | if (t->freq) | |
607 | set_tv_freq(client, t->freq); | |
608 | return 0; | |
609 | } | |
1da177e4 | 610 | case VIDIOCSFREQ: |
f7ce3cc6 MCC |
611 | { |
612 | unsigned long *v = arg; | |
1da177e4 | 613 | |
f7ce3cc6 MCC |
614 | if (check_mode(t, "VIDIOCSFREQ") == EINVAL) |
615 | return 0; | |
616 | if (check_v4l2(t) == EINVAL) | |
617 | return 0; | |
618 | ||
619 | set_freq(client, *v); | |
620 | return 0; | |
621 | } | |
1da177e4 | 622 | case VIDIOCGTUNER: |
f7ce3cc6 MCC |
623 | { |
624 | struct video_tuner *vt = arg; | |
625 | ||
626 | if (check_mode(t, "VIDIOCGTUNER") == EINVAL) | |
627 | return 0; | |
628 | if (check_v4l2(t) == EINVAL) | |
629 | return 0; | |
630 | ||
631 | if (V4L2_TUNER_RADIO == t->mode) { | |
632 | if (t->has_signal) | |
633 | vt->signal = t->has_signal(client); | |
634 | if (t->is_stereo) { | |
635 | if (t->is_stereo(client)) | |
636 | vt->flags |= | |
637 | VIDEO_TUNER_STEREO_ON; | |
638 | else | |
639 | vt->flags &= | |
640 | ~VIDEO_TUNER_STEREO_ON; | |
641 | } | |
642 | vt->flags |= VIDEO_TUNER_LOW; /* Allow freqs at 62.5 Hz */ | |
586b0cab | 643 | |
f7ce3cc6 MCC |
644 | vt->rangelow = radio_range[0] * 16000; |
645 | vt->rangehigh = radio_range[1] * 16000; | |
586b0cab | 646 | |
f7ce3cc6 MCC |
647 | } else { |
648 | vt->rangelow = tv_range[0] * 16; | |
649 | vt->rangehigh = tv_range[1] * 16; | |
650 | } | |
56fc08ca | 651 | |
f7ce3cc6 MCC |
652 | return 0; |
653 | } | |
1da177e4 | 654 | case VIDIOCGAUDIO: |
f7ce3cc6 MCC |
655 | { |
656 | struct video_audio *va = arg; | |
657 | ||
658 | if (check_mode(t, "VIDIOCGAUDIO") == EINVAL) | |
659 | return 0; | |
660 | if (check_v4l2(t) == EINVAL) | |
661 | return 0; | |
662 | ||
663 | if (V4L2_TUNER_RADIO == t->mode && t->is_stereo) | |
664 | va->mode = t->is_stereo(client) | |
665 | ? VIDEO_SOUND_STEREO : VIDEO_SOUND_MONO; | |
666 | return 0; | |
667 | } | |
1da177e4 LT |
668 | |
669 | case VIDIOC_S_STD: | |
f7ce3cc6 MCC |
670 | { |
671 | v4l2_std_id *id = arg; | |
1da177e4 | 672 | |
f7ce3cc6 MCC |
673 | if (set_mode (client, t, V4L2_TUNER_ANALOG_TV, "VIDIOC_S_STD") |
674 | == EINVAL) | |
675 | return 0; | |
56fc08ca | 676 | |
f7ce3cc6 MCC |
677 | switch_v4l2(); |
678 | ||
679 | t->std = *id; | |
680 | tuner_fixup_std(t); | |
681 | if (t->freq) | |
682 | set_freq(client, t->freq); | |
683 | break; | |
684 | } | |
1da177e4 | 685 | case VIDIOC_S_FREQUENCY: |
f7ce3cc6 MCC |
686 | { |
687 | struct v4l2_frequency *f = arg; | |
688 | ||
689 | t->freq = f->frequency; | |
690 | switch_v4l2(); | |
691 | if (V4L2_TUNER_RADIO == f->type && | |
692 | V4L2_TUNER_RADIO != t->mode) { | |
4ac97914 | 693 | if (set_mode (client, t, f->type, "VIDIOC_S_FREQUENCY") |
f7ce3cc6 MCC |
694 | == EINVAL) |
695 | return 0; | |
696 | } | |
697 | set_freq(client,t->freq); | |
c184ca36 | 698 | |
f7ce3cc6 MCC |
699 | break; |
700 | } | |
701 | case VIDIOC_G_FREQUENCY: | |
702 | { | |
703 | struct v4l2_frequency *f = arg; | |
704 | ||
705 | if (check_mode(t, "VIDIOC_G_FREQUENCY") == EINVAL) | |
706 | return 0; | |
707 | switch_v4l2(); | |
708 | f->type = t->mode; | |
709 | f->frequency = t->freq; | |
710 | break; | |
711 | } | |
1da177e4 | 712 | case VIDIOC_G_TUNER: |
f7ce3cc6 MCC |
713 | { |
714 | struct v4l2_tuner *tuner = arg; | |
715 | ||
716 | if (check_mode(t, "VIDIOC_G_TUNER") == EINVAL) | |
717 | return 0; | |
718 | switch_v4l2(); | |
719 | ||
720 | if (V4L2_TUNER_RADIO == t->mode) { | |
721 | ||
722 | if (t->has_signal) | |
723 | tuner->signal = t->has_signal(client); | |
724 | ||
725 | if (t->is_stereo) { | |
726 | if (t->is_stereo(client)) { | |
727 | tuner->rxsubchans = | |
728 | V4L2_TUNER_SUB_STEREO | | |
729 | V4L2_TUNER_SUB_MONO; | |
730 | } else { | |
731 | tuner->rxsubchans = | |
732 | V4L2_TUNER_SUB_MONO; | |
733 | } | |
56fc08ca | 734 | } |
f7ce3cc6 MCC |
735 | |
736 | tuner->capability |= | |
737 | V4L2_TUNER_CAP_LOW | V4L2_TUNER_CAP_STEREO; | |
738 | ||
739 | tuner->audmode = t->audmode; | |
740 | ||
741 | tuner->rangelow = radio_range[0] * 16000; | |
742 | tuner->rangehigh = radio_range[1] * 16000; | |
743 | } else { | |
744 | tuner->rangelow = tv_range[0] * 16; | |
745 | tuner->rangehigh = tv_range[1] * 16; | |
56fc08ca | 746 | } |
f7ce3cc6 MCC |
747 | break; |
748 | } | |
749 | case VIDIOC_S_TUNER: | |
750 | { | |
751 | struct v4l2_tuner *tuner = arg; | |
752 | ||
753 | if (check_mode(t, "VIDIOC_S_TUNER") == EINVAL) | |
754 | return 0; | |
755 | ||
756 | switch_v4l2(); | |
757 | ||
758 | if (V4L2_TUNER_RADIO == t->mode) { | |
759 | t->audmode = tuner->audmode; | |
760 | set_radio_freq(client, t->freq); | |
761 | } | |
762 | break; | |
56fc08ca | 763 | } |
cd43c3f6 HV |
764 | case VIDIOC_LOG_STATUS: |
765 | tuner_status(client); | |
766 | break; | |
1da177e4 | 767 | default: |
fd1c3881 | 768 | tuner_dbg("Unimplemented IOCTL 0x%08x(dir=%d,tp='%c',nr=%d,sz=%d)\n", |
c5287ba1 MCC |
769 | cmd, _IOC_DIR(cmd), _IOC_TYPE(cmd), |
770 | _IOC_NR(cmd), _IOC_SIZE(cmd)); | |
1da177e4 LT |
771 | break; |
772 | } | |
773 | ||
774 | return 0; | |
775 | } | |
776 | ||
9480e307 | 777 | static int tuner_suspend(struct device *dev, pm_message_t state) |
1da177e4 | 778 | { |
f7ce3cc6 MCC |
779 | struct i2c_client *c = container_of (dev, struct i2c_client, dev); |
780 | struct tuner *t = i2c_get_clientdata (c); | |
1da177e4 | 781 | |
f7ce3cc6 | 782 | tuner_dbg ("suspend\n"); |
1da177e4 LT |
783 | /* FIXME: power down ??? */ |
784 | return 0; | |
785 | } | |
786 | ||
9480e307 | 787 | static int tuner_resume(struct device *dev) |
1da177e4 | 788 | { |
f7ce3cc6 MCC |
789 | struct i2c_client *c = container_of (dev, struct i2c_client, dev); |
790 | struct tuner *t = i2c_get_clientdata (c); | |
1da177e4 | 791 | |
f7ce3cc6 | 792 | tuner_dbg ("resume\n"); |
1da177e4 | 793 | if (t->freq) |
f7ce3cc6 | 794 | set_freq(c, t->freq); |
1da177e4 LT |
795 | return 0; |
796 | } | |
797 | ||
798 | /* ----------------------------------------------------------------------- */ | |
799 | ||
800 | static struct i2c_driver driver = { | |
f7ce3cc6 | 801 | .id = I2C_DRIVERID_TUNER, |
f7ce3cc6 MCC |
802 | .attach_adapter = tuner_probe, |
803 | .detach_client = tuner_detach, | |
804 | .command = tuner_command, | |
1da177e4 | 805 | .driver = { |
604f28e2 | 806 | .name = "tuner", |
f7ce3cc6 MCC |
807 | .suspend = tuner_suspend, |
808 | .resume = tuner_resume, | |
809 | }, | |
1da177e4 | 810 | }; |
f7ce3cc6 | 811 | static struct i2c_client client_template = { |
fae91e72 | 812 | .name = "(tuner unset)", |
f7ce3cc6 | 813 | .driver = &driver, |
1da177e4 LT |
814 | }; |
815 | ||
816 | static int __init tuner_init_module(void) | |
817 | { | |
818 | return i2c_add_driver(&driver); | |
819 | } | |
820 | ||
821 | static void __exit tuner_cleanup_module(void) | |
822 | { | |
823 | i2c_del_driver(&driver); | |
824 | } | |
825 | ||
826 | module_init(tuner_init_module); | |
827 | module_exit(tuner_cleanup_module); | |
828 | ||
829 | /* | |
830 | * Overrides for Emacs so that we follow Linus's tabbing style. | |
831 | * --------------------------------------------------------------------------- | |
832 | * Local variables: | |
833 | * c-basic-offset: 8 | |
834 | * End: | |
835 | */ |