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1da177e4 LT |
1 | /* |
2 | * Philips UDA1341 mixer device driver | |
3 | * Copyright (c) 2002 Tomas Kasparek <tomas.kasparek@seznam.cz> | |
4 | * | |
5 | * Portions are Copyright (C) 2000 Lernout & Hauspie Speech Products, N.V. | |
6 | * | |
7 | * This program is free software; you can redistribute it and/or | |
8 | * modify it under the terms of the GNU General Public License. | |
9 | * | |
10 | * History: | |
11 | * | |
12 | * 2002-03-13 Tomas Kasparek initial release - based on uda1341.c from OSS | |
13 | * 2002-03-28 Tomas Kasparek basic mixer is working (volume, bass, treble) | |
14 | * 2002-03-30 Tomas Kasparek proc filesystem support, complete mixer and DSP | |
15 | * features support | |
16 | * 2002-04-12 Tomas Kasparek proc interface update, code cleanup | |
17 | * 2002-05-12 Tomas Kasparek another code cleanup | |
18 | */ | |
19 | ||
97f02e05 | 20 | /* $Id: uda1341.c,v 1.18 2005/11/17 14:17:21 tiwai Exp $ */ |
1da177e4 LT |
21 | |
22 | #include <sound/driver.h> | |
23 | #include <linux/module.h> | |
24 | #include <linux/init.h> | |
25 | #include <linux/types.h> | |
26 | #include <linux/slab.h> | |
27 | #include <linux/errno.h> | |
28 | #include <linux/ioctl.h> | |
29 | ||
30 | #include <asm/uaccess.h> | |
31 | ||
32 | #include <sound/core.h> | |
33 | #include <sound/control.h> | |
34 | #include <sound/initval.h> | |
35 | #include <sound/info.h> | |
36 | ||
37 | #include <linux/l3/l3.h> | |
38 | ||
39 | #include <sound/uda1341.h> | |
40 | ||
41 | /* {{{ HW regs definition */ | |
42 | ||
43 | #define STAT0 0x00 | |
44 | #define STAT1 0x80 | |
45 | #define STAT_MASK 0x80 | |
46 | ||
47 | #define DATA0_0 0x00 | |
48 | #define DATA0_1 0x40 | |
49 | #define DATA0_2 0x80 | |
50 | #define DATA_MASK 0xc0 | |
51 | ||
52 | #define IS_DATA0(x) ((x) >= data0_0 && (x) <= data0_2) | |
53 | #define IS_DATA1(x) ((x) == data1) | |
54 | #define IS_STATUS(x) ((x) == stat0 || (x) == stat1) | |
55 | #define IS_EXTEND(x) ((x) >= ext0 && (x) <= ext6) | |
56 | ||
57 | /* }}} */ | |
58 | ||
0948e3c8 TI |
59 | |
60 | static const char *peak_names[] = { | |
61 | "before", | |
62 | "after", | |
63 | }; | |
64 | ||
65 | static const char *filter_names[] = { | |
66 | "flat", | |
67 | "min", | |
68 | "min", | |
69 | "max", | |
70 | }; | |
71 | ||
72 | static const char *mixer_names[] = { | |
73 | "double differential", | |
74 | "input channel 1 (line in)", | |
75 | "input channel 2 (microphone)", | |
76 | "digital mixer", | |
77 | }; | |
78 | ||
79 | static const char *deemp_names[] = { | |
80 | "none", | |
81 | "32 kHz", | |
82 | "44.1 kHz", | |
83 | "48 kHz", | |
84 | }; | |
85 | ||
1da177e4 LT |
86 | enum uda1341_regs_names { |
87 | stat0, | |
88 | stat1, | |
89 | data0_0, | |
90 | data0_1, | |
91 | data0_2, | |
92 | data1, | |
93 | ext0, | |
94 | ext1, | |
95 | ext2, | |
96 | empty, | |
97 | ext4, | |
98 | ext5, | |
99 | ext6, | |
100 | uda1341_reg_last, | |
101 | }; | |
102 | ||
0948e3c8 | 103 | static const char *uda1341_reg_names[] = { |
1da177e4 LT |
104 | "stat 0 ", |
105 | "stat 1 ", | |
106 | "data 00", | |
107 | "data 01", | |
108 | "data 02", | |
109 | "data 1 ", | |
110 | "ext 0", | |
111 | "ext 1", | |
112 | "ext 2", | |
113 | "empty", | |
114 | "ext 4", | |
115 | "ext 5", | |
116 | "ext 6", | |
117 | }; | |
118 | ||
0948e3c8 | 119 | static const int uda1341_enum_items[] = { |
1da177e4 LT |
120 | 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, |
121 | 2, //peak - before/after | |
122 | 4, //deemp - none/32/44.1/48 | |
123 | 0, | |
124 | 4, //filter - flat/min/min/max | |
125 | 0, 0, 0, | |
126 | 4, //mixer - differ/line/mic/mixer | |
127 | 0, 0, 0, 0, 0, | |
128 | }; | |
129 | ||
0948e3c8 | 130 | static const char ** uda1341_enum_names[] = { |
1da177e4 LT |
131 | NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, |
132 | peak_names, //peak - before/after | |
133 | deemp_names, //deemp - none/32/44.1/48 | |
134 | NULL, | |
135 | filter_names, //filter - flat/min/min/max | |
136 | NULL, NULL, NULL, | |
137 | mixer_names, //mixer - differ/line/mic/mixer | |
138 | NULL, NULL, NULL, NULL, NULL, | |
139 | }; | |
140 | ||
141 | typedef int uda1341_cfg[CMD_LAST]; | |
142 | ||
1da177e4 LT |
143 | struct uda1341 { |
144 | int (*write) (struct l3_client *uda1341, unsigned short reg, unsigned short val); | |
145 | int (*read) (struct l3_client *uda1341, unsigned short reg); | |
146 | unsigned char regs[uda1341_reg_last]; | |
147 | int active; | |
148 | spinlock_t reg_lock; | |
97f02e05 | 149 | struct snd_card *card; |
1da177e4 LT |
150 | uda1341_cfg cfg; |
151 | #ifdef CONFIG_PM | |
152 | unsigned char suspend_regs[uda1341_reg_last]; | |
153 | uda1341_cfg suspend_cfg; | |
154 | #endif | |
155 | }; | |
156 | ||
1da177e4 | 157 | /* transfer 8bit integer into string with binary representation */ |
0948e3c8 TI |
158 | static void int2str_bin8(uint8_t val, char *buf) |
159 | { | |
1da177e4 LT |
160 | const int size = sizeof(val) * 8; |
161 | int i; | |
162 | ||
163 | for (i= 0; i < size; i++){ | |
164 | *(buf++) = (val >> (size - 1)) ? '1' : '0'; | |
165 | val <<= 1; | |
166 | } | |
167 | *buf = '\0'; //end the string with zero | |
168 | } | |
169 | ||
170 | /* {{{ HW manipulation routines */ | |
171 | ||
0948e3c8 | 172 | static int snd_uda1341_codec_write(struct l3_client *clnt, unsigned short reg, unsigned short val) |
1da177e4 LT |
173 | { |
174 | struct uda1341 *uda = clnt->driver_data; | |
175 | unsigned char buf[2] = { 0xc0, 0xe0 }; // for EXT addressing | |
176 | int err = 0; | |
177 | ||
178 | uda->regs[reg] = val; | |
179 | ||
180 | if (uda->active) { | |
181 | if (IS_DATA0(reg)) { | |
182 | err = l3_write(clnt, UDA1341_DATA0, (const unsigned char *)&val, 1); | |
183 | } else if (IS_DATA1(reg)) { | |
184 | err = l3_write(clnt, UDA1341_DATA1, (const unsigned char *)&val, 1); | |
185 | } else if (IS_STATUS(reg)) { | |
186 | err = l3_write(clnt, UDA1341_STATUS, (const unsigned char *)&val, 1); | |
187 | } else if (IS_EXTEND(reg)) { | |
188 | buf[0] |= (reg - ext0) & 0x7; //EXT address | |
189 | buf[1] |= val; //EXT data | |
190 | err = l3_write(clnt, UDA1341_DATA0, (const unsigned char *)buf, 2); | |
191 | } | |
192 | } else | |
193 | printk(KERN_ERR "UDA1341 codec not active!\n"); | |
194 | return err; | |
195 | } | |
196 | ||
0948e3c8 | 197 | static int snd_uda1341_codec_read(struct l3_client *clnt, unsigned short reg) |
1da177e4 LT |
198 | { |
199 | unsigned char val; | |
200 | int err; | |
201 | ||
202 | err = l3_read(clnt, reg, &val, 1); | |
203 | if (err == 1) | |
204 | // use just 6bits - the rest is address of the reg | |
205 | return val & 63; | |
206 | return err < 0 ? err : -EIO; | |
207 | } | |
208 | ||
209 | static inline int snd_uda1341_valid_reg(struct l3_client *clnt, unsigned short reg) | |
210 | { | |
211 | return reg < uda1341_reg_last; | |
212 | } | |
213 | ||
0948e3c8 TI |
214 | static int snd_uda1341_update_bits(struct l3_client *clnt, unsigned short reg, |
215 | unsigned short mask, unsigned short shift, | |
216 | unsigned short value, int flush) | |
1da177e4 LT |
217 | { |
218 | int change; | |
219 | unsigned short old, new; | |
220 | struct uda1341 *uda = clnt->driver_data; | |
221 | ||
222 | #if 0 | |
223 | printk(KERN_DEBUG "update_bits: reg: %s mask: %d shift: %d val: %d\n", | |
224 | uda1341_reg_names[reg], mask, shift, value); | |
225 | #endif | |
226 | ||
227 | if (!snd_uda1341_valid_reg(clnt, reg)) | |
228 | return -EINVAL; | |
229 | spin_lock(&uda->reg_lock); | |
230 | old = uda->regs[reg]; | |
231 | new = (old & ~(mask << shift)) | (value << shift); | |
232 | change = old != new; | |
233 | if (change) { | |
234 | if (flush) uda->write(clnt, reg, new); | |
235 | uda->regs[reg] = new; | |
236 | } | |
237 | spin_unlock(&uda->reg_lock); | |
238 | return change; | |
239 | } | |
240 | ||
0948e3c8 TI |
241 | static int snd_uda1341_cfg_write(struct l3_client *clnt, unsigned short what, |
242 | unsigned short value, int flush) | |
1da177e4 LT |
243 | { |
244 | struct uda1341 *uda = clnt->driver_data; | |
245 | int ret = 0; | |
246 | #ifdef CONFIG_PM | |
247 | int reg; | |
248 | #endif | |
249 | ||
250 | #if 0 | |
251 | printk(KERN_DEBUG "cfg_write what: %d value: %d\n", what, value); | |
252 | #endif | |
253 | ||
254 | uda->cfg[what] = value; | |
255 | ||
256 | switch(what) { | |
257 | case CMD_RESET: | |
258 | ret = snd_uda1341_update_bits(clnt, data0_2, 1, 2, 1, flush); // MUTE | |
259 | ret = snd_uda1341_update_bits(clnt, stat0, 1, 6, 1, flush); // RESET | |
260 | ret = snd_uda1341_update_bits(clnt, stat0, 1, 6, 0, flush); // RESTORE | |
261 | uda->cfg[CMD_RESET]=0; | |
262 | break; | |
263 | case CMD_FS: | |
264 | ret = snd_uda1341_update_bits(clnt, stat0, 3, 4, value, flush); | |
265 | break; | |
266 | case CMD_FORMAT: | |
267 | ret = snd_uda1341_update_bits(clnt, stat0, 7, 1, value, flush); | |
268 | break; | |
269 | case CMD_OGAIN: | |
270 | ret = snd_uda1341_update_bits(clnt, stat1, 1, 6, value, flush); | |
271 | break; | |
272 | case CMD_IGAIN: | |
273 | ret = snd_uda1341_update_bits(clnt, stat1, 1, 5, value, flush); | |
274 | break; | |
275 | case CMD_DAC: | |
276 | ret = snd_uda1341_update_bits(clnt, stat1, 1, 0, value, flush); | |
277 | break; | |
278 | case CMD_ADC: | |
279 | ret = snd_uda1341_update_bits(clnt, stat1, 1, 1, value, flush); | |
280 | break; | |
281 | case CMD_VOLUME: | |
282 | ret = snd_uda1341_update_bits(clnt, data0_0, 63, 0, value, flush); | |
283 | break; | |
284 | case CMD_BASS: | |
285 | ret = snd_uda1341_update_bits(clnt, data0_1, 15, 2, value, flush); | |
286 | break; | |
287 | case CMD_TREBBLE: | |
288 | ret = snd_uda1341_update_bits(clnt, data0_1, 3, 0, value, flush); | |
289 | break; | |
290 | case CMD_PEAK: | |
291 | ret = snd_uda1341_update_bits(clnt, data0_2, 1, 5, value, flush); | |
292 | break; | |
293 | case CMD_DEEMP: | |
294 | ret = snd_uda1341_update_bits(clnt, data0_2, 3, 3, value, flush); | |
295 | break; | |
296 | case CMD_MUTE: | |
297 | ret = snd_uda1341_update_bits(clnt, data0_2, 1, 2, value, flush); | |
298 | break; | |
299 | case CMD_FILTER: | |
300 | ret = snd_uda1341_update_bits(clnt, data0_2, 3, 0, value, flush); | |
301 | break; | |
302 | case CMD_CH1: | |
303 | ret = snd_uda1341_update_bits(clnt, ext0, 31, 0, value, flush); | |
304 | break; | |
305 | case CMD_CH2: | |
306 | ret = snd_uda1341_update_bits(clnt, ext1, 31, 0, value, flush); | |
307 | break; | |
308 | case CMD_MIC: | |
309 | ret = snd_uda1341_update_bits(clnt, ext2, 7, 2, value, flush); | |
310 | break; | |
311 | case CMD_MIXER: | |
312 | ret = snd_uda1341_update_bits(clnt, ext2, 3, 0, value, flush); | |
313 | break; | |
314 | case CMD_AGC: | |
315 | ret = snd_uda1341_update_bits(clnt, ext4, 1, 4, value, flush); | |
316 | break; | |
317 | case CMD_IG: | |
318 | ret = snd_uda1341_update_bits(clnt, ext4, 3, 0, value & 0x3, flush); | |
319 | ret = snd_uda1341_update_bits(clnt, ext5, 31, 0, value >> 2, flush); | |
320 | break; | |
321 | case CMD_AGC_TIME: | |
322 | ret = snd_uda1341_update_bits(clnt, ext6, 7, 2, value, flush); | |
323 | break; | |
324 | case CMD_AGC_LEVEL: | |
325 | ret = snd_uda1341_update_bits(clnt, ext6, 3, 0, value, flush); | |
326 | break; | |
327 | #ifdef CONFIG_PM | |
328 | case CMD_SUSPEND: | |
329 | for (reg = stat0; reg < uda1341_reg_last; reg++) | |
330 | uda->suspend_regs[reg] = uda->regs[reg]; | |
331 | for (reg = 0; reg < CMD_LAST; reg++) | |
332 | uda->suspend_cfg[reg] = uda->cfg[reg]; | |
333 | break; | |
334 | case CMD_RESUME: | |
335 | for (reg = stat0; reg < uda1341_reg_last; reg++) | |
336 | snd_uda1341_codec_write(clnt, reg, uda->suspend_regs[reg]); | |
337 | for (reg = 0; reg < CMD_LAST; reg++) | |
338 | uda->cfg[reg] = uda->suspend_cfg[reg]; | |
339 | break; | |
340 | #endif | |
341 | default: | |
342 | ret = -EINVAL; | |
343 | break; | |
344 | } | |
345 | ||
346 | if (!uda->active) | |
347 | printk(KERN_ERR "UDA1341 codec not active!\n"); | |
348 | return ret; | |
349 | } | |
350 | ||
351 | /* }}} */ | |
352 | ||
353 | /* {{{ Proc interface */ | |
0948e3c8 TI |
354 | #ifdef CONFIG_PROC_FS |
355 | ||
356 | static const char *format_names[] = { | |
357 | "I2S-bus", | |
358 | "LSB 16bits", | |
359 | "LSB 18bits", | |
360 | "LSB 20bits", | |
361 | "MSB", | |
362 | "in LSB 16bits/out MSB", | |
363 | "in LSB 18bits/out MSB", | |
364 | "in LSB 20bits/out MSB", | |
365 | }; | |
366 | ||
367 | static const char *fs_names[] = { | |
368 | "512*fs", | |
369 | "384*fs", | |
370 | "256*fs", | |
371 | "Unused - bad value!", | |
372 | }; | |
373 | ||
374 | static const char* bass_values[][16] = { | |
375 | {"0 dB", "0 dB", "0 dB", "0 dB", "0 dB", "0 dB", "0 dB", "0 dB", "0 dB", "0 dB", "0 dB", | |
376 | "0 dB", "0 dB", "0 dB", "0 dB", "undefined", }, //flat | |
377 | {"0 dB", "2 dB", "4 dB", "6 dB", "8 dB", "10 dB", "12 dB", "14 dB", "16 dB", "18 dB", "18 dB", | |
378 | "18 dB", "18 dB", "18 dB", "18 dB", "undefined",}, // min | |
379 | {"0 dB", "2 dB", "4 dB", "6 dB", "8 dB", "10 dB", "12 dB", "14 dB", "16 dB", "18 dB", "18 dB", | |
380 | "18 dB", "18 dB", "18 dB", "18 dB", "undefined",}, // min | |
381 | {"0 dB", "2 dB", "4 dB", "6 dB", "8 dB", "10 dB", "12 dB", "14 dB", "16 dB", "18 dB", "20 dB", | |
382 | "22 dB", "24 dB", "24 dB", "24 dB", "undefined",}, // max | |
383 | }; | |
384 | ||
385 | static const char *mic_sens_value[] = { | |
386 | "-3 dB", "0 dB", "3 dB", "9 dB", "15 dB", "21 dB", "27 dB", "not used", | |
387 | }; | |
388 | ||
389 | static const unsigned short AGC_atime[] = { | |
390 | 11, 16, 11, 16, 21, 11, 16, 21, | |
391 | }; | |
392 | ||
393 | static const unsigned short AGC_dtime[] = { | |
394 | 100, 100, 200, 200, 200, 400, 400, 400, | |
395 | }; | |
396 | ||
397 | static const char *AGC_level[] = { | |
398 | "-9.0", "-11.5", "-15.0", "-17.5", | |
399 | }; | |
400 | ||
401 | static const char *ig_small_value[] = { | |
402 | "-3.0", "-2.5", "-2.0", "-1.5", "-1.0", "-0.5", | |
403 | }; | |
404 | ||
405 | /* | |
406 | * this was computed as peak_value[i] = pow((63-i)*1.42,1.013) | |
407 | * | |
408 | * UDA1341 datasheet on page 21: Peak value (dB) = (Peak level - 63.5)*5*log2 | |
409 | * There is an table with these values [level]=value: [3]=-90.31, [7]=-84.29 | |
410 | * [61]=-2.78, [62] = -1.48, [63] = 0.0 | |
411 | * I tried to compute it, but using but even using logarithm with base either 10 or 2 | |
412 | * i was'n able to get values in the table from the formula. So I constructed another | |
413 | * formula (see above) to interpolate the values as good as possible. If there is some | |
414 | * mistake, please contact me on tomas.kasparek@seznam.cz. Thanks. | |
415 | * UDA1341TS datasheet is available at: | |
416 | * http://www-us9.semiconductors.com/acrobat/datasheets/UDA1341TS_3.pdf | |
417 | */ | |
418 | static const char *peak_value[] = { | |
419 | "-INF dB", "N.A.", "N.A", "90.31 dB", "N.A.", "N.A.", "N.A.", "-84.29 dB", | |
420 | "-82.65 dB", "-81.13 dB", "-79.61 dB", "-78.09 dB", "-76.57 dB", "-75.05 dB", "-73.53 dB", | |
421 | "-72.01 dB", "-70.49 dB", "-68.97 dB", "-67.45 dB", "-65.93 dB", "-64.41 dB", "-62.90 dB", | |
422 | "-61.38 dB", "-59.86 dB", "-58.35 dB", "-56.83 dB", "-55.32 dB", "-53.80 dB", "-52.29 dB", | |
423 | "-50.78 dB", "-49.26 dB", "-47.75 dB", "-46.24 dB", "-44.73 dB", "-43.22 dB", "-41.71 dB", | |
424 | "-40.20 dB", "-38.69 dB", "-37.19 dB", "-35.68 dB", "-34.17 dB", "-32.67 dB", "-31.17 dB", | |
425 | "-29.66 dB", "-28.16 dB", "-26.66 dB", "-25.16 dB", "-23.66 dB", "-22.16 dB", "-20.67 dB", | |
426 | "-19.17 dB", "-17.68 dB", "-16.19 dB", "-14.70 dB", "-13.21 dB", "-11.72 dB", "-10.24 dB", | |
427 | "-8.76 dB", "-7.28 dB", "-5.81 dB", "-4.34 dB", "-2.88 dB", "-1.43 dB", "0.00 dB", | |
428 | }; | |
1da177e4 | 429 | |
97f02e05 TI |
430 | static void snd_uda1341_proc_read(struct snd_info_entry *entry, |
431 | struct snd_info_buffer *buffer) | |
1da177e4 LT |
432 | { |
433 | struct l3_client *clnt = entry->private_data; | |
434 | struct uda1341 *uda = clnt->driver_data; | |
435 | int peak; | |
436 | ||
437 | peak = snd_uda1341_codec_read(clnt, UDA1341_DATA1); | |
438 | if (peak < 0) | |
439 | peak = 0; | |
440 | ||
441 | snd_iprintf(buffer, "%s\n\n", uda->card->longname); | |
442 | ||
443 | // for information about computed values see UDA1341TS datasheet pages 15 - 21 | |
444 | snd_iprintf(buffer, "DAC power : %s\n", uda->cfg[CMD_DAC] ? "on" : "off"); | |
445 | snd_iprintf(buffer, "ADC power : %s\n", uda->cfg[CMD_ADC] ? "on" : "off"); | |
446 | snd_iprintf(buffer, "Clock frequency : %s\n", fs_names[uda->cfg[CMD_FS]]); | |
447 | snd_iprintf(buffer, "Data format : %s\n\n", format_names[uda->cfg[CMD_FORMAT]]); | |
448 | ||
449 | snd_iprintf(buffer, "Filter mode : %s\n", filter_names[uda->cfg[CMD_FILTER]]); | |
450 | snd_iprintf(buffer, "Mixer mode : %s\n", mixer_names[uda->cfg[CMD_MIXER]]); | |
451 | snd_iprintf(buffer, "De-emphasis : %s\n", deemp_names[uda->cfg[CMD_DEEMP]]); | |
452 | snd_iprintf(buffer, "Peak detection pos. : %s\n", uda->cfg[CMD_PEAK] ? "after" : "before"); | |
453 | snd_iprintf(buffer, "Peak value : %s\n\n", peak_value[peak]); | |
454 | ||
455 | snd_iprintf(buffer, "Automatic Gain Ctrl : %s\n", uda->cfg[CMD_AGC] ? "on" : "off"); | |
456 | snd_iprintf(buffer, "AGC attack time : %d ms\n", AGC_atime[uda->cfg[CMD_AGC_TIME]]); | |
457 | snd_iprintf(buffer, "AGC decay time : %d ms\n", AGC_dtime[uda->cfg[CMD_AGC_TIME]]); | |
458 | snd_iprintf(buffer, "AGC output level : %s dB\n\n", AGC_level[uda->cfg[CMD_AGC_LEVEL]]); | |
459 | ||
460 | snd_iprintf(buffer, "Mute : %s\n", uda->cfg[CMD_MUTE] ? "on" : "off"); | |
461 | ||
462 | if (uda->cfg[CMD_VOLUME] == 0) | |
463 | snd_iprintf(buffer, "Volume : 0 dB\n"); | |
464 | else if (uda->cfg[CMD_VOLUME] < 62) | |
465 | snd_iprintf(buffer, "Volume : %d dB\n", -1*uda->cfg[CMD_VOLUME] +1); | |
466 | else | |
467 | snd_iprintf(buffer, "Volume : -INF dB\n"); | |
468 | snd_iprintf(buffer, "Bass : %s\n", bass_values[uda->cfg[CMD_FILTER]][uda->cfg[CMD_BASS]]); | |
469 | snd_iprintf(buffer, "Trebble : %d dB\n", uda->cfg[CMD_FILTER] ? 2*uda->cfg[CMD_TREBBLE] : 0); | |
470 | snd_iprintf(buffer, "Input Gain (6dB) : %s\n", uda->cfg[CMD_IGAIN] ? "on" : "off"); | |
471 | snd_iprintf(buffer, "Output Gain (6dB) : %s\n", uda->cfg[CMD_OGAIN] ? "on" : "off"); | |
472 | snd_iprintf(buffer, "Mic sensitivity : %s\n", mic_sens_value[uda->cfg[CMD_MIC]]); | |
473 | ||
474 | ||
475 | if(uda->cfg[CMD_CH1] < 31) | |
476 | snd_iprintf(buffer, "Mixer gain channel 1: -%d.%c dB\n", | |
477 | ((uda->cfg[CMD_CH1] >> 1) * 3) + (uda->cfg[CMD_CH1] & 1), | |
478 | uda->cfg[CMD_CH1] & 1 ? '5' : '0'); | |
479 | else | |
480 | snd_iprintf(buffer, "Mixer gain channel 1: -INF dB\n"); | |
481 | if(uda->cfg[CMD_CH2] < 31) | |
482 | snd_iprintf(buffer, "Mixer gain channel 2: -%d.%c dB\n", | |
483 | ((uda->cfg[CMD_CH2] >> 1) * 3) + (uda->cfg[CMD_CH2] & 1), | |
484 | uda->cfg[CMD_CH2] & 1 ? '5' : '0'); | |
485 | else | |
486 | snd_iprintf(buffer, "Mixer gain channel 2: -INF dB\n"); | |
487 | ||
488 | if(uda->cfg[CMD_IG] > 5) | |
489 | snd_iprintf(buffer, "Input Amp. Gain ch 2: %d.%c dB\n", | |
490 | (uda->cfg[CMD_IG] >> 1) -3, uda->cfg[CMD_IG] & 1 ? '5' : '0'); | |
491 | else | |
492 | snd_iprintf(buffer, "Input Amp. Gain ch 2: %s dB\n", ig_small_value[uda->cfg[CMD_IG]]); | |
493 | } | |
494 | ||
97f02e05 TI |
495 | static void snd_uda1341_proc_regs_read(struct snd_info_entry *entry, |
496 | struct snd_info_buffer *buffer) | |
1da177e4 LT |
497 | { |
498 | struct l3_client *clnt = entry->private_data; | |
499 | struct uda1341 *uda = clnt->driver_data; | |
500 | int reg; | |
501 | char buf[12]; | |
502 | ||
1da177e4 LT |
503 | for (reg = 0; reg < uda1341_reg_last; reg ++) { |
504 | if (reg == empty) | |
505 | continue; | |
506 | int2str_bin8(uda->regs[reg], buf); | |
507 | snd_iprintf(buffer, "%s = %s\n", uda1341_reg_names[reg], buf); | |
508 | } | |
509 | ||
510 | int2str_bin8(snd_uda1341_codec_read(clnt, UDA1341_DATA1), buf); | |
511 | snd_iprintf(buffer, "DATA1 = %s\n", buf); | |
1da177e4 | 512 | } |
0948e3c8 | 513 | #endif /* CONFIG_PROC_FS */ |
1da177e4 | 514 | |
97f02e05 | 515 | static void __devinit snd_uda1341_proc_init(struct snd_card *card, struct l3_client *clnt) |
1da177e4 | 516 | { |
97f02e05 | 517 | struct snd_info_entry *entry; |
1da177e4 LT |
518 | |
519 | if (! snd_card_proc_new(card, "uda1341", &entry)) | |
520 | snd_info_set_text_ops(entry, clnt, 1024, snd_uda1341_proc_read); | |
521 | if (! snd_card_proc_new(card, "uda1341-regs", &entry)) | |
522 | snd_info_set_text_ops(entry, clnt, 1024, snd_uda1341_proc_regs_read); | |
523 | } | |
524 | ||
525 | /* }}} */ | |
526 | ||
527 | /* {{{ Mixer controls setting */ | |
528 | ||
529 | /* {{{ UDA1341 single functions */ | |
530 | ||
531 | #define UDA1341_SINGLE(xname, where, reg, shift, mask, invert) \ | |
532 | { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = xname, .info = snd_uda1341_info_single, \ | |
533 | .get = snd_uda1341_get_single, .put = snd_uda1341_put_single, \ | |
534 | .private_value = where | (reg << 5) | (shift << 9) | (mask << 12) | (invert << 18) \ | |
535 | } | |
536 | ||
97f02e05 TI |
537 | static int snd_uda1341_info_single(struct snd_kcontrol *kcontrol, |
538 | struct snd_ctl_elem_info *uinfo) | |
1da177e4 LT |
539 | { |
540 | int mask = (kcontrol->private_value >> 12) & 63; | |
541 | ||
542 | uinfo->type = mask == 1 ? SNDRV_CTL_ELEM_TYPE_BOOLEAN : SNDRV_CTL_ELEM_TYPE_INTEGER; | |
543 | uinfo->count = 1; | |
544 | uinfo->value.integer.min = 0; | |
545 | uinfo->value.integer.max = mask; | |
546 | return 0; | |
547 | } | |
548 | ||
97f02e05 TI |
549 | static int snd_uda1341_get_single(struct snd_kcontrol *kcontrol, |
550 | struct snd_ctl_elem_value *ucontrol) | |
1da177e4 LT |
551 | { |
552 | struct l3_client *clnt = snd_kcontrol_chip(kcontrol); | |
97f02e05 | 553 | struct uda1341 *uda = clnt->driver_data; |
1da177e4 LT |
554 | int where = kcontrol->private_value & 31; |
555 | int mask = (kcontrol->private_value >> 12) & 63; | |
556 | int invert = (kcontrol->private_value >> 18) & 1; | |
557 | ||
558 | ucontrol->value.integer.value[0] = uda->cfg[where]; | |
559 | if (invert) | |
560 | ucontrol->value.integer.value[0] = mask - ucontrol->value.integer.value[0]; | |
561 | ||
562 | return 0; | |
563 | } | |
564 | ||
97f02e05 TI |
565 | static int snd_uda1341_put_single(struct snd_kcontrol *kcontrol, |
566 | struct snd_ctl_elem_value *ucontrol) | |
1da177e4 LT |
567 | { |
568 | struct l3_client *clnt = snd_kcontrol_chip(kcontrol); | |
97f02e05 | 569 | struct uda1341 *uda = clnt->driver_data; |
1da177e4 LT |
570 | int where = kcontrol->private_value & 31; |
571 | int reg = (kcontrol->private_value >> 5) & 15; | |
572 | int shift = (kcontrol->private_value >> 9) & 7; | |
573 | int mask = (kcontrol->private_value >> 12) & 63; | |
574 | int invert = (kcontrol->private_value >> 18) & 1; | |
575 | unsigned short val; | |
576 | ||
577 | val = (ucontrol->value.integer.value[0] & mask); | |
578 | if (invert) | |
579 | val = mask - val; | |
580 | ||
581 | uda->cfg[where] = val; | |
582 | return snd_uda1341_update_bits(clnt, reg, mask, shift, val, FLUSH); | |
583 | } | |
584 | ||
585 | /* }}} */ | |
586 | ||
587 | /* {{{ UDA1341 enum functions */ | |
588 | ||
589 | #define UDA1341_ENUM(xname, where, reg, shift, mask, invert) \ | |
590 | { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = xname, .info = snd_uda1341_info_enum, \ | |
591 | .get = snd_uda1341_get_enum, .put = snd_uda1341_put_enum, \ | |
592 | .private_value = where | (reg << 5) | (shift << 9) | (mask << 12) | (invert << 18) \ | |
593 | } | |
594 | ||
97f02e05 TI |
595 | static int snd_uda1341_info_enum(struct snd_kcontrol *kcontrol, |
596 | struct snd_ctl_elem_info *uinfo) | |
1da177e4 LT |
597 | { |
598 | int where = kcontrol->private_value & 31; | |
599 | const char **texts; | |
600 | ||
601 | // this register we don't handle this way | |
602 | if (!uda1341_enum_items[where]) | |
603 | return -EINVAL; | |
604 | ||
605 | uinfo->type = SNDRV_CTL_ELEM_TYPE_ENUMERATED; | |
606 | uinfo->count = 1; | |
607 | uinfo->value.enumerated.items = uda1341_enum_items[where]; | |
608 | ||
609 | if (uinfo->value.enumerated.item >= uda1341_enum_items[where]) | |
610 | uinfo->value.enumerated.item = uda1341_enum_items[where] - 1; | |
611 | ||
612 | texts = uda1341_enum_names[where]; | |
613 | strcpy(uinfo->value.enumerated.name, texts[uinfo->value.enumerated.item]); | |
614 | return 0; | |
615 | } | |
616 | ||
97f02e05 TI |
617 | static int snd_uda1341_get_enum(struct snd_kcontrol *kcontrol, |
618 | struct snd_ctl_elem_value *ucontrol) | |
1da177e4 LT |
619 | { |
620 | struct l3_client *clnt = snd_kcontrol_chip(kcontrol); | |
97f02e05 | 621 | struct uda1341 *uda = clnt->driver_data; |
1da177e4 LT |
622 | int where = kcontrol->private_value & 31; |
623 | ||
624 | ucontrol->value.enumerated.item[0] = uda->cfg[where]; | |
625 | return 0; | |
626 | } | |
627 | ||
97f02e05 TI |
628 | static int snd_uda1341_put_enum(struct snd_kcontrol *kcontrol, |
629 | struct snd_ctl_elem_value *ucontrol) | |
1da177e4 LT |
630 | { |
631 | struct l3_client *clnt = snd_kcontrol_chip(kcontrol); | |
97f02e05 | 632 | struct uda1341 *uda = clnt->driver_data; |
1da177e4 LT |
633 | int where = kcontrol->private_value & 31; |
634 | int reg = (kcontrol->private_value >> 5) & 15; | |
635 | int shift = (kcontrol->private_value >> 9) & 7; | |
636 | int mask = (kcontrol->private_value >> 12) & 63; | |
637 | ||
638 | uda->cfg[where] = (ucontrol->value.enumerated.item[0] & mask); | |
639 | ||
640 | return snd_uda1341_update_bits(clnt, reg, mask, shift, uda->cfg[where], FLUSH); | |
641 | } | |
642 | ||
643 | /* }}} */ | |
644 | ||
645 | /* {{{ UDA1341 2regs functions */ | |
646 | ||
647 | #define UDA1341_2REGS(xname, where, reg_1, reg_2, shift_1, shift_2, mask_1, mask_2, invert) \ | |
648 | { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = (xname), .info = snd_uda1341_info_2regs, \ | |
649 | .get = snd_uda1341_get_2regs, .put = snd_uda1341_put_2regs, \ | |
650 | .private_value = where | (reg_1 << 5) | (reg_2 << 9) | (shift_1 << 13) | (shift_2 << 16) | \ | |
651 | (mask_1 << 19) | (mask_2 << 25) | (invert << 31) \ | |
652 | } | |
653 | ||
654 | ||
97f02e05 TI |
655 | static int snd_uda1341_info_2regs(struct snd_kcontrol *kcontrol, |
656 | struct snd_ctl_elem_info *uinfo) | |
1da177e4 LT |
657 | { |
658 | int mask_1 = (kcontrol->private_value >> 19) & 63; | |
659 | int mask_2 = (kcontrol->private_value >> 25) & 63; | |
660 | int mask; | |
661 | ||
662 | mask = (mask_2 + 1) * (mask_1 + 1) - 1; | |
663 | uinfo->type = mask == 1 ? SNDRV_CTL_ELEM_TYPE_BOOLEAN : SNDRV_CTL_ELEM_TYPE_INTEGER; | |
664 | uinfo->count = 1; | |
665 | uinfo->value.integer.min = 0; | |
666 | uinfo->value.integer.max = mask; | |
667 | return 0; | |
668 | } | |
669 | ||
97f02e05 TI |
670 | static int snd_uda1341_get_2regs(struct snd_kcontrol *kcontrol, |
671 | struct snd_ctl_elem_value *ucontrol) | |
1da177e4 LT |
672 | { |
673 | struct l3_client *clnt = snd_kcontrol_chip(kcontrol); | |
97f02e05 | 674 | struct uda1341 *uda = clnt->driver_data; |
1da177e4 LT |
675 | int where = kcontrol->private_value & 31; |
676 | int mask_1 = (kcontrol->private_value >> 19) & 63; | |
677 | int mask_2 = (kcontrol->private_value >> 25) & 63; | |
678 | int invert = (kcontrol->private_value >> 31) & 1; | |
679 | int mask; | |
680 | ||
681 | mask = (mask_2 + 1) * (mask_1 + 1) - 1; | |
682 | ||
683 | ucontrol->value.integer.value[0] = uda->cfg[where]; | |
684 | if (invert) | |
685 | ucontrol->value.integer.value[0] = mask - ucontrol->value.integer.value[0]; | |
686 | return 0; | |
687 | } | |
688 | ||
97f02e05 TI |
689 | static int snd_uda1341_put_2regs(struct snd_kcontrol *kcontrol, |
690 | struct snd_ctl_elem_value *ucontrol) | |
1da177e4 LT |
691 | { |
692 | struct l3_client *clnt = snd_kcontrol_chip(kcontrol); | |
97f02e05 | 693 | struct uda1341 *uda = clnt->driver_data; |
1da177e4 LT |
694 | int where = kcontrol->private_value & 31; |
695 | int reg_1 = (kcontrol->private_value >> 5) & 15; | |
696 | int reg_2 = (kcontrol->private_value >> 9) & 15; | |
697 | int shift_1 = (kcontrol->private_value >> 13) & 7; | |
698 | int shift_2 = (kcontrol->private_value >> 16) & 7; | |
699 | int mask_1 = (kcontrol->private_value >> 19) & 63; | |
700 | int mask_2 = (kcontrol->private_value >> 25) & 63; | |
701 | int invert = (kcontrol->private_value >> 31) & 1; | |
702 | int mask; | |
703 | unsigned short val1, val2, val; | |
704 | ||
705 | val = ucontrol->value.integer.value[0]; | |
706 | ||
707 | mask = (mask_2 + 1) * (mask_1 + 1) - 1; | |
708 | ||
709 | val1 = val & mask_1; | |
710 | val2 = (val / (mask_1 + 1)) & mask_2; | |
711 | ||
712 | if (invert) { | |
713 | val1 = mask_1 - val1; | |
714 | val2 = mask_2 - val2; | |
715 | } | |
716 | ||
717 | uda->cfg[where] = invert ? mask - val : val; | |
718 | ||
719 | //FIXME - return value | |
720 | snd_uda1341_update_bits(clnt, reg_1, mask_1, shift_1, val1, FLUSH); | |
721 | return snd_uda1341_update_bits(clnt, reg_2, mask_2, shift_2, val2, FLUSH); | |
722 | } | |
723 | ||
724 | /* }}} */ | |
725 | ||
97f02e05 | 726 | static struct snd_kcontrol_new snd_uda1341_controls[] = { |
1da177e4 LT |
727 | UDA1341_SINGLE("Master Playback Switch", CMD_MUTE, data0_2, 2, 1, 1), |
728 | UDA1341_SINGLE("Master Playback Volume", CMD_VOLUME, data0_0, 0, 63, 1), | |
729 | ||
730 | UDA1341_SINGLE("Bass Playback Volume", CMD_BASS, data0_1, 2, 15, 0), | |
731 | UDA1341_SINGLE("Treble Playback Volume", CMD_TREBBLE, data0_1, 0, 3, 0), | |
732 | ||
733 | UDA1341_SINGLE("Input Gain Switch", CMD_IGAIN, stat1, 5, 1, 0), | |
734 | UDA1341_SINGLE("Output Gain Switch", CMD_OGAIN, stat1, 6, 1, 0), | |
735 | ||
736 | UDA1341_SINGLE("Mixer Gain Channel 1 Volume", CMD_CH1, ext0, 0, 31, 1), | |
737 | UDA1341_SINGLE("Mixer Gain Channel 2 Volume", CMD_CH2, ext1, 0, 31, 1), | |
738 | ||
739 | UDA1341_SINGLE("Mic Sensitivity Volume", CMD_MIC, ext2, 2, 7, 0), | |
740 | ||
741 | UDA1341_SINGLE("AGC Output Level", CMD_AGC_LEVEL, ext6, 0, 3, 0), | |
742 | UDA1341_SINGLE("AGC Time Constant", CMD_AGC_TIME, ext6, 2, 7, 0), | |
743 | UDA1341_SINGLE("AGC Time Constant Switch", CMD_AGC, ext4, 4, 1, 0), | |
744 | ||
745 | UDA1341_SINGLE("DAC Power", CMD_DAC, stat1, 0, 1, 0), | |
746 | UDA1341_SINGLE("ADC Power", CMD_ADC, stat1, 1, 1, 0), | |
747 | ||
748 | UDA1341_ENUM("Peak detection", CMD_PEAK, data0_2, 5, 1, 0), | |
749 | UDA1341_ENUM("De-emphasis", CMD_DEEMP, data0_2, 3, 3, 0), | |
750 | UDA1341_ENUM("Mixer mode", CMD_MIXER, ext2, 0, 3, 0), | |
751 | UDA1341_ENUM("Filter mode", CMD_FILTER, data0_2, 0, 3, 0), | |
752 | ||
753 | UDA1341_2REGS("Gain Input Amplifier Gain (channel 2)", CMD_IG, ext4, ext5, 0, 0, 3, 31, 0), | |
754 | }; | |
755 | ||
0948e3c8 | 756 | static void uda1341_free(struct l3_client *clnt) |
1da177e4 | 757 | { |
97f02e05 | 758 | l3_detach_client(clnt); // calls kfree for driver_data (struct uda1341) |
0948e3c8 | 759 | kfree(clnt); |
1da177e4 LT |
760 | } |
761 | ||
97f02e05 | 762 | static int uda1341_dev_free(struct snd_device *device) |
1da177e4 LT |
763 | { |
764 | struct l3_client *clnt = device->device_data; | |
765 | uda1341_free(clnt); | |
766 | return 0; | |
767 | } | |
768 | ||
97f02e05 | 769 | int __init snd_chip_uda1341_mixer_new(struct snd_card *card, struct l3_client **clntp) |
1da177e4 | 770 | { |
97f02e05 | 771 | static struct snd_device_ops ops = { |
1da177e4 LT |
772 | .dev_free = uda1341_dev_free, |
773 | }; | |
0948e3c8 | 774 | struct l3_client *clnt; |
1da177e4 LT |
775 | int idx, err; |
776 | ||
777 | snd_assert(card != NULL, return -EINVAL); | |
778 | ||
0948e3c8 TI |
779 | clnt = kzalloc(sizeof(*clnt), GFP_KERNEL); |
780 | if (clnt == NULL) | |
1da177e4 LT |
781 | return -ENOMEM; |
782 | ||
0948e3c8 TI |
783 | if ((err = l3_attach_client(clnt, "l3-bit-sa1100-gpio", UDA1341_ALSA_NAME))) { |
784 | kfree(clnt); | |
1da177e4 LT |
785 | return err; |
786 | } | |
787 | ||
788 | for (idx = 0; idx < ARRAY_SIZE(snd_uda1341_controls); idx++) { | |
0948e3c8 TI |
789 | if ((err = snd_ctl_add(card, snd_ctl_new1(&snd_uda1341_controls[idx], clnt))) < 0) { |
790 | uda1341_free(clnt); | |
1da177e4 | 791 | return err; |
0948e3c8 TI |
792 | } |
793 | } | |
794 | ||
795 | if ((err = snd_device_new(card, SNDRV_DEV_CODEC, clnt, &ops)) < 0) { | |
796 | uda1341_free(clnt); | |
797 | return err; | |
1da177e4 LT |
798 | } |
799 | ||
0948e3c8 | 800 | *clntp = clnt; |
1da177e4 | 801 | strcpy(card->mixername, "UDA1341TS Mixer"); |
97f02e05 | 802 | ((struct uda1341 *)clnt->driver_data)->card = card; |
1da177e4 | 803 | |
0948e3c8 | 804 | snd_uda1341_proc_init(card, clnt); |
1da177e4 LT |
805 | |
806 | return 0; | |
807 | } | |
808 | ||
809 | /* }}} */ | |
810 | ||
811 | /* {{{ L3 operations */ | |
812 | ||
813 | static int uda1341_attach(struct l3_client *clnt) | |
814 | { | |
815 | struct uda1341 *uda; | |
816 | ||
561b220a | 817 | uda = kzalloc(sizeof(*uda), 0, GFP_KERNEL); |
1da177e4 LT |
818 | if (!uda) |
819 | return -ENOMEM; | |
820 | ||
821 | /* init fixed parts of my copy of registers */ | |
822 | uda->regs[stat0] = STAT0; | |
823 | uda->regs[stat1] = STAT1; | |
824 | ||
825 | uda->regs[data0_0] = DATA0_0; | |
826 | uda->regs[data0_1] = DATA0_1; | |
827 | uda->regs[data0_2] = DATA0_2; | |
828 | ||
829 | uda->write = snd_uda1341_codec_write; | |
830 | uda->read = snd_uda1341_codec_read; | |
831 | ||
832 | spin_lock_init(&uda->reg_lock); | |
833 | ||
834 | clnt->driver_data = uda; | |
835 | return 0; | |
836 | } | |
837 | ||
838 | static void uda1341_detach(struct l3_client *clnt) | |
839 | { | |
840 | kfree(clnt->driver_data); | |
841 | } | |
842 | ||
843 | static int | |
844 | uda1341_command(struct l3_client *clnt, int cmd, void *arg) | |
845 | { | |
846 | if (cmd != CMD_READ_REG) | |
847 | return snd_uda1341_cfg_write(clnt, cmd, (int) arg, FLUSH); | |
848 | ||
849 | return snd_uda1341_codec_read(clnt, (int) arg); | |
850 | } | |
851 | ||
852 | static int uda1341_open(struct l3_client *clnt) | |
853 | { | |
854 | struct uda1341 *uda = clnt->driver_data; | |
855 | ||
856 | uda->active = 1; | |
857 | ||
858 | /* init default configuration */ | |
859 | snd_uda1341_cfg_write(clnt, CMD_RESET, 0, REGS_ONLY); | |
860 | snd_uda1341_cfg_write(clnt, CMD_FS, F256, FLUSH); // unknown state after reset | |
861 | snd_uda1341_cfg_write(clnt, CMD_FORMAT, LSB16, FLUSH); // unknown state after reset | |
862 | snd_uda1341_cfg_write(clnt, CMD_OGAIN, ON, FLUSH); // default off after reset | |
863 | snd_uda1341_cfg_write(clnt, CMD_IGAIN, ON, FLUSH); // default off after reset | |
864 | snd_uda1341_cfg_write(clnt, CMD_DAC, ON, FLUSH); // ??? default value after reset | |
865 | snd_uda1341_cfg_write(clnt, CMD_ADC, ON, FLUSH); // ??? default value after reset | |
866 | snd_uda1341_cfg_write(clnt, CMD_VOLUME, 20, FLUSH); // default 0dB after reset | |
867 | snd_uda1341_cfg_write(clnt, CMD_BASS, 0, REGS_ONLY); // default value after reset | |
868 | snd_uda1341_cfg_write(clnt, CMD_TREBBLE, 0, REGS_ONLY); // default value after reset | |
869 | snd_uda1341_cfg_write(clnt, CMD_PEAK, AFTER, REGS_ONLY);// default value after reset | |
870 | snd_uda1341_cfg_write(clnt, CMD_DEEMP, NONE, REGS_ONLY);// default value after reset | |
871 | //at this moment should be QMUTED by h3600_audio_init | |
872 | snd_uda1341_cfg_write(clnt, CMD_MUTE, OFF, REGS_ONLY); // default value after reset | |
873 | snd_uda1341_cfg_write(clnt, CMD_FILTER, MAX, FLUSH); // defaul flat after reset | |
874 | snd_uda1341_cfg_write(clnt, CMD_CH1, 31, FLUSH); // default value after reset | |
875 | snd_uda1341_cfg_write(clnt, CMD_CH2, 4, FLUSH); // default value after reset | |
876 | snd_uda1341_cfg_write(clnt, CMD_MIC, 4, FLUSH); // default 0dB after reset | |
877 | snd_uda1341_cfg_write(clnt, CMD_MIXER, MIXER, FLUSH); // default doub.dif.mode | |
878 | snd_uda1341_cfg_write(clnt, CMD_AGC, OFF, FLUSH); // default value after reset | |
879 | snd_uda1341_cfg_write(clnt, CMD_IG, 0, FLUSH); // unknown state after reset | |
880 | snd_uda1341_cfg_write(clnt, CMD_AGC_TIME, 0, FLUSH); // default value after reset | |
881 | snd_uda1341_cfg_write(clnt, CMD_AGC_LEVEL, 0, FLUSH); // default value after reset | |
882 | ||
883 | return 0; | |
884 | } | |
885 | ||
886 | static void uda1341_close(struct l3_client *clnt) | |
887 | { | |
888 | struct uda1341 *uda = clnt->driver_data; | |
889 | ||
890 | uda->active = 0; | |
891 | } | |
892 | ||
893 | /* }}} */ | |
894 | ||
895 | /* {{{ Module and L3 initialization */ | |
896 | ||
897 | static struct l3_ops uda1341_ops = { | |
898 | .open = uda1341_open, | |
899 | .command = uda1341_command, | |
900 | .close = uda1341_close, | |
901 | }; | |
902 | ||
903 | static struct l3_driver uda1341_driver = { | |
904 | .name = UDA1341_ALSA_NAME, | |
905 | .attach_client = uda1341_attach, | |
906 | .detach_client = uda1341_detach, | |
907 | .ops = &uda1341_ops, | |
908 | .owner = THIS_MODULE, | |
909 | }; | |
910 | ||
911 | static int __init uda1341_init(void) | |
912 | { | |
913 | return l3_add_driver(&uda1341_driver); | |
914 | } | |
915 | ||
916 | static void __exit uda1341_exit(void) | |
917 | { | |
918 | l3_del_driver(&uda1341_driver); | |
919 | } | |
920 | ||
921 | module_init(uda1341_init); | |
922 | module_exit(uda1341_exit); | |
923 | ||
924 | MODULE_AUTHOR("Tomas Kasparek <tomas.kasparek@seznam.cz>"); | |
925 | MODULE_LICENSE("GPL"); | |
926 | MODULE_DESCRIPTION("Philips UDA1341 CODEC driver for ALSA"); | |
927 | MODULE_SUPPORTED_DEVICE("{{UDA1341,UDA1341TS}}"); | |
928 | ||
929 | EXPORT_SYMBOL(snd_chip_uda1341_mixer_new); | |
930 | ||
931 | /* }}} */ | |
932 | ||
933 | /* | |
934 | * Local variables: | |
935 | * indent-tabs-mode: t | |
936 | * End: | |
937 | */ |