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Merge master.kernel.org:/home/rmk/linux-2.6-arm
[linux/fpc-iii.git] / sound / soc / codecs / tlv320aic3x.c
blob71a69908ccf69485e0bbdb3e2804fcf06ee3fe8f
1 /*
2 * ALSA SoC TLV320AIC3X codec driver
3 *
4 * Author: Vladimir Barinov, <vbarinov@embeddedalley.com>
5 * Copyright: (C) 2007 MontaVista Software, Inc., <source@mvista.com>
6 *
7 * Based on sound/soc/codecs/wm8753.c by Liam Girdwood
8 *
9 * This program is free software; you can redistribute it and/or modify
10 * it under the terms of the GNU General Public License version 2 as
11 * published by the Free Software Foundation.
12 *
13 * Notes:
14 * The AIC3X is a driver for a low power stereo audio
15 * codecs aic31, aic32, aic33.
16 *
17 * It supports full aic33 codec functionality.
18 * The compatibility with aic32, aic31 is as follows:
19 * aic32 | aic31
20 * ---------------------------------------
21 * MONO_LOUT -> N/A | MONO_LOUT -> N/A
22 * | IN1L -> LINE1L
23 * | IN1R -> LINE1R
24 * | IN2L -> LINE2L
25 * | IN2R -> LINE2R
26 * | MIC3L/R -> N/A
27 * truncated internal functionality in
28 * accordance with documentation
29 * ---------------------------------------
30 *
31 * Hence the machine layer should disable unsupported inputs/outputs by
32 * snd_soc_dapm_disable_pin(codec, "MONO_LOUT"), etc.
33 */
34
35 #include <linux/module.h>
36 #include <linux/moduleparam.h>
37 #include <linux/init.h>
38 #include <linux/delay.h>
39 #include <linux/pm.h>
40 #include <linux/i2c.h>
41 #include <linux/gpio.h>
42 #include <linux/regulator/consumer.h>
43 #include <linux/platform_device.h>
44 #include <linux/slab.h>
45 #include <sound/core.h>
46 #include <sound/pcm.h>
47 #include <sound/pcm_params.h>
48 #include <sound/soc.h>
49 #include <sound/soc-dapm.h>
50 #include <sound/initval.h>
51 #include <sound/tlv.h>
52 #include <sound/tlv320aic3x.h>
53
54 #include "tlv320aic3x.h"
55
56 #define AIC3X_NUM_SUPPLIES 4
57 static const char *aic3x_supply_names[AIC3X_NUM_SUPPLIES] = {
58 "IOVDD", /* I/O Voltage */
59 "DVDD", /* Digital Core Voltage */
60 "AVDD", /* Analog DAC Voltage */
61 "DRVDD", /* ADC Analog and Output Driver Voltage */
62 };
63
64 /* codec private data */
65 struct aic3x_priv {
66 struct snd_soc_codec codec;
67 struct regulator_bulk_data supplies[AIC3X_NUM_SUPPLIES];
68 unsigned int sysclk;
69 int master;
70 int gpio_reset;
71 };
72
73 /*
74 * AIC3X register cache
75 * We can't read the AIC3X register space when we are
76 * using 2 wire for device control, so we cache them instead.
77 * There is no point in caching the reset register
78 */
79 static const u8 aic3x_reg[AIC3X_CACHEREGNUM] = {
80 0x00, 0x00, 0x00, 0x10, /* 0 */
81 0x04, 0x00, 0x00, 0x00, /* 4 */
82 0x00, 0x00, 0x00, 0x01, /* 8 */
83 0x00, 0x00, 0x00, 0x80, /* 12 */
84 0x80, 0xff, 0xff, 0x78, /* 16 */
85 0x78, 0x78, 0x78, 0x78, /* 20 */
86 0x78, 0x00, 0x00, 0xfe, /* 24 */
87 0x00, 0x00, 0xfe, 0x00, /* 28 */
88 0x18, 0x18, 0x00, 0x00, /* 32 */
89 0x00, 0x00, 0x00, 0x00, /* 36 */
90 0x00, 0x00, 0x00, 0x80, /* 40 */
91 0x80, 0x00, 0x00, 0x00, /* 44 */
92 0x00, 0x00, 0x00, 0x04, /* 48 */
93 0x00, 0x00, 0x00, 0x00, /* 52 */
94 0x00, 0x00, 0x04, 0x00, /* 56 */
95 0x00, 0x00, 0x00, 0x00, /* 60 */
96 0x00, 0x04, 0x00, 0x00, /* 64 */
97 0x00, 0x00, 0x00, 0x00, /* 68 */
98 0x04, 0x00, 0x00, 0x00, /* 72 */
99 0x00, 0x00, 0x00, 0x00, /* 76 */
100 0x00, 0x00, 0x00, 0x00, /* 80 */
101 0x00, 0x00, 0x00, 0x00, /* 84 */
102 0x00, 0x00, 0x00, 0x00, /* 88 */
103 0x00, 0x00, 0x00, 0x00, /* 92 */
104 0x00, 0x00, 0x00, 0x00, /* 96 */
105 0x00, 0x00, 0x02, /* 100 */
106 };
107
108 /*
109 * read aic3x register cache
110 */
111 static inline unsigned int aic3x_read_reg_cache(struct snd_soc_codec *codec,
112 unsigned int reg)
113 {
114 u8 *cache = codec->reg_cache;
115 if (reg >= AIC3X_CACHEREGNUM)
116 return -1;
117 return cache[reg];
118 }
119
120 /*
121 * write aic3x register cache
122 */
123 static inline void aic3x_write_reg_cache(struct snd_soc_codec *codec,
124 u8 reg, u8 value)
125 {
126 u8 *cache = codec->reg_cache;
127 if (reg >= AIC3X_CACHEREGNUM)
128 return;
129 cache[reg] = value;
130 }
131
132 /*
133 * write to the aic3x register space
134 */
135 static int aic3x_write(struct snd_soc_codec *codec, unsigned int reg,
136 unsigned int value)
137 {
138 u8 data[2];
139
140 /* data is
141 * D15..D8 aic3x register offset
142 * D7...D0 register data
143 */
144 data[0] = reg & 0xff;
145 data[1] = value & 0xff;
146
147 aic3x_write_reg_cache(codec, data[0], data[1]);
148 if (codec->hw_write(codec->control_data, data, 2) == 2)
149 return 0;
150 else
151 return -EIO;
152 }
153
154 /*
155 * read from the aic3x register space
156 */
157 static int aic3x_read(struct snd_soc_codec *codec, unsigned int reg,
158 u8 *value)
159 {
160 *value = reg & 0xff;
161
162 value[0] = i2c_smbus_read_byte_data(codec->control_data, value[0]);
163
164 aic3x_write_reg_cache(codec, reg, *value);
165 return 0;
166 }
167
168 #define SOC_DAPM_SINGLE_AIC3X(xname, reg, shift, mask, invert) \
169 { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = xname, \
170 .info = snd_soc_info_volsw, \
171 .get = snd_soc_dapm_get_volsw, .put = snd_soc_dapm_put_volsw_aic3x, \
172 .private_value = SOC_SINGLE_VALUE(reg, shift, mask, invert) }
173
174 /*
175 * All input lines are connected when !0xf and disconnected with 0xf bit field,
176 * so we have to use specific dapm_put call for input mixer
177 */
178 static int snd_soc_dapm_put_volsw_aic3x(struct snd_kcontrol *kcontrol,
179 struct snd_ctl_elem_value *ucontrol)
180 {
181 struct snd_soc_dapm_widget *widget = snd_kcontrol_chip(kcontrol);
182 struct soc_mixer_control *mc =
183 (struct soc_mixer_control *)kcontrol->private_value;
184 unsigned int reg = mc->reg;
185 unsigned int shift = mc->shift;
186 int max = mc->max;
187 unsigned int mask = (1 << fls(max)) - 1;
188 unsigned int invert = mc->invert;
189 unsigned short val, val_mask;
190 int ret;
191 struct snd_soc_dapm_path *path;
192 int found = 0;
193
194 val = (ucontrol->value.integer.value[0] & mask);
195
196 mask = 0xf;
197 if (val)
198 val = mask;
199
200 if (invert)
201 val = mask - val;
202 val_mask = mask << shift;
203 val = val << shift;
204
205 mutex_lock(&widget->codec->mutex);
206
207 if (snd_soc_test_bits(widget->codec, reg, val_mask, val)) {
208 /* find dapm widget path assoc with kcontrol */
209 list_for_each_entry(path, &widget->codec->dapm_paths, list) {
210 if (path->kcontrol != kcontrol)
211 continue;
212
213 /* found, now check type */
214 found = 1;
215 if (val)
216 /* new connection */
217 path->connect = invert ? 0 : 1;
218 else
219 /* old connection must be powered down */
220 path->connect = invert ? 1 : 0;
221 break;
222 }
223
224 if (found)
225 snd_soc_dapm_sync(widget->codec);
226 }
227
228 ret = snd_soc_update_bits(widget->codec, reg, val_mask, val);
229
230 mutex_unlock(&widget->codec->mutex);
231 return ret;
232 }
233
234 static const char *aic3x_left_dac_mux[] = { "DAC_L1", "DAC_L3", "DAC_L2" };
235 static const char *aic3x_right_dac_mux[] = { "DAC_R1", "DAC_R3", "DAC_R2" };
236 static const char *aic3x_left_hpcom_mux[] =
237 { "differential of HPLOUT", "constant VCM", "single-ended" };
238 static const char *aic3x_right_hpcom_mux[] =
239 { "differential of HPROUT", "constant VCM", "single-ended",
240 "differential of HPLCOM", "external feedback" };
241 static const char *aic3x_linein_mode_mux[] = { "single-ended", "differential" };
242 static const char *aic3x_adc_hpf[] =
243 { "Disabled", "0.0045xFs", "0.0125xFs", "0.025xFs" };
244
245 #define LDAC_ENUM 0
246 #define RDAC_ENUM 1
247 #define LHPCOM_ENUM 2
248 #define RHPCOM_ENUM 3
249 #define LINE1L_ENUM 4
250 #define LINE1R_ENUM 5
251 #define LINE2L_ENUM 6
252 #define LINE2R_ENUM 7
253 #define ADC_HPF_ENUM 8
254
255 static const struct soc_enum aic3x_enum[] = {
256 SOC_ENUM_SINGLE(DAC_LINE_MUX, 6, 3, aic3x_left_dac_mux),
257 SOC_ENUM_SINGLE(DAC_LINE_MUX, 4, 3, aic3x_right_dac_mux),
258 SOC_ENUM_SINGLE(HPLCOM_CFG, 4, 3, aic3x_left_hpcom_mux),
259 SOC_ENUM_SINGLE(HPRCOM_CFG, 3, 5, aic3x_right_hpcom_mux),
260 SOC_ENUM_SINGLE(LINE1L_2_LADC_CTRL, 7, 2, aic3x_linein_mode_mux),
261 SOC_ENUM_SINGLE(LINE1R_2_RADC_CTRL, 7, 2, aic3x_linein_mode_mux),
262 SOC_ENUM_SINGLE(LINE2L_2_LADC_CTRL, 7, 2, aic3x_linein_mode_mux),
263 SOC_ENUM_SINGLE(LINE2R_2_RADC_CTRL, 7, 2, aic3x_linein_mode_mux),
264 SOC_ENUM_DOUBLE(AIC3X_CODEC_DFILT_CTRL, 6, 4, 4, aic3x_adc_hpf),
265 };
266
267 /*
268 * DAC digital volumes. From -63.5 to 0 dB in 0.5 dB steps
269 */
270 static DECLARE_TLV_DB_SCALE(dac_tlv, -6350, 50, 0);
271 /* ADC PGA gain volumes. From 0 to 59.5 dB in 0.5 dB steps */
272 static DECLARE_TLV_DB_SCALE(adc_tlv, 0, 50, 0);
273 /*
274 * Output stage volumes. From -78.3 to 0 dB. Muted below -78.3 dB.
275 * Step size is approximately 0.5 dB over most of the scale but increasing
276 * near the very low levels.
277 * Define dB scale so that it is mostly correct for range about -55 to 0 dB
278 * but having increasing dB difference below that (and where it doesn't count
279 * so much). This setting shows -50 dB (actual is -50.3 dB) for register
280 * value 100 and -58.5 dB (actual is -78.3 dB) for register value 117.
281 */
282 static DECLARE_TLV_DB_SCALE(output_stage_tlv, -5900, 50, 1);
283
284 static const struct snd_kcontrol_new aic3x_snd_controls[] = {
285 /* Output */
286 SOC_DOUBLE_R_TLV("PCM Playback Volume",
287 LDAC_VOL, RDAC_VOL, 0, 0x7f, 1, dac_tlv),
288
289 SOC_DOUBLE_R_TLV("Line DAC Playback Volume",
290 DACL1_2_LLOPM_VOL, DACR1_2_RLOPM_VOL,
291 0, 118, 1, output_stage_tlv),
292 SOC_SINGLE("LineL Playback Switch", LLOPM_CTRL, 3, 0x01, 0),
293 SOC_SINGLE("LineR Playback Switch", RLOPM_CTRL, 3, 0x01, 0),
294 SOC_DOUBLE_R_TLV("LineL DAC Playback Volume",
295 DACL1_2_LLOPM_VOL, DACR1_2_LLOPM_VOL,
296 0, 118, 1, output_stage_tlv),
297 SOC_SINGLE_TLV("LineL Left PGA Bypass Playback Volume",
298 PGAL_2_LLOPM_VOL, 0, 118, 1, output_stage_tlv),
299 SOC_SINGLE_TLV("LineR Right PGA Bypass Playback Volume",
300 PGAR_2_RLOPM_VOL, 0, 118, 1, output_stage_tlv),
301 SOC_DOUBLE_R_TLV("LineL Line2 Bypass Playback Volume",
302 LINE2L_2_LLOPM_VOL, LINE2R_2_LLOPM_VOL,
303 0, 118, 1, output_stage_tlv),
304 SOC_DOUBLE_R_TLV("LineR Line2 Bypass Playback Volume",
305 LINE2L_2_RLOPM_VOL, LINE2R_2_RLOPM_VOL,
306 0, 118, 1, output_stage_tlv),
307
308 SOC_DOUBLE_R_TLV("Mono DAC Playback Volume",
309 DACL1_2_MONOLOPM_VOL, DACR1_2_MONOLOPM_VOL,
310 0, 118, 1, output_stage_tlv),
311 SOC_SINGLE("Mono DAC Playback Switch", MONOLOPM_CTRL, 3, 0x01, 0),
312 SOC_DOUBLE_R_TLV("Mono PGA Bypass Playback Volume",
313 PGAL_2_MONOLOPM_VOL, PGAR_2_MONOLOPM_VOL,
314 0, 118, 1, output_stage_tlv),
315 SOC_DOUBLE_R_TLV("Mono Line2 Bypass Playback Volume",
316 LINE2L_2_MONOLOPM_VOL, LINE2R_2_MONOLOPM_VOL,
317 0, 118, 1, output_stage_tlv),
318
319 SOC_DOUBLE_R_TLV("HP DAC Playback Volume",
320 DACL1_2_HPLOUT_VOL, DACR1_2_HPROUT_VOL,
321 0, 118, 1, output_stage_tlv),
322 SOC_DOUBLE_R("HP DAC Playback Switch", HPLOUT_CTRL, HPROUT_CTRL, 3,
323 0x01, 0),
324 SOC_DOUBLE_R_TLV("HP Right PGA Bypass Playback Volume",
325 PGAR_2_HPLOUT_VOL, PGAR_2_HPROUT_VOL,
326 0, 118, 1, output_stage_tlv),
327 SOC_SINGLE_TLV("HPL PGA Bypass Playback Volume",
328 PGAL_2_HPLOUT_VOL, 0, 118, 1, output_stage_tlv),
329 SOC_SINGLE_TLV("HPR PGA Bypass Playback Volume",
330 PGAL_2_HPROUT_VOL, 0, 118, 1, output_stage_tlv),
331 SOC_DOUBLE_R_TLV("HP Line2 Bypass Playback Volume",
332 LINE2L_2_HPLOUT_VOL, LINE2R_2_HPROUT_VOL,
333 0, 118, 1, output_stage_tlv),
334
335 SOC_DOUBLE_R_TLV("HPCOM DAC Playback Volume",
336 DACL1_2_HPLCOM_VOL, DACR1_2_HPRCOM_VOL,
337 0, 118, 1, output_stage_tlv),
338 SOC_DOUBLE_R("HPCOM DAC Playback Switch", HPLCOM_CTRL, HPRCOM_CTRL, 3,
339 0x01, 0),
340 SOC_SINGLE_TLV("HPLCOM PGA Bypass Playback Volume",
341 PGAL_2_HPLCOM_VOL, 0, 118, 1, output_stage_tlv),
342 SOC_SINGLE_TLV("HPRCOM PGA Bypass Playback Volume",
343 PGAL_2_HPRCOM_VOL, 0, 118, 1, output_stage_tlv),
344 SOC_DOUBLE_R_TLV("HPCOM Line2 Bypass Playback Volume",
345 LINE2L_2_HPLCOM_VOL, LINE2R_2_HPRCOM_VOL,
346 0, 118, 1, output_stage_tlv),
347
348 /*
349 * Note: enable Automatic input Gain Controller with care. It can
350 * adjust PGA to max value when ADC is on and will never go back.
351 */
352 SOC_DOUBLE_R("AGC Switch", LAGC_CTRL_A, RAGC_CTRL_A, 7, 0x01, 0),
353
354 /* Input */
355 SOC_DOUBLE_R_TLV("PGA Capture Volume", LADC_VOL, RADC_VOL,
356 0, 119, 0, adc_tlv),
357 SOC_DOUBLE_R("PGA Capture Switch", LADC_VOL, RADC_VOL, 7, 0x01, 1),
358
359 SOC_ENUM("ADC HPF Cut-off", aic3x_enum[ADC_HPF_ENUM]),
360 };
361
362 /* Left DAC Mux */
363 static const struct snd_kcontrol_new aic3x_left_dac_mux_controls =
364 SOC_DAPM_ENUM("Route", aic3x_enum[LDAC_ENUM]);
365
366 /* Right DAC Mux */
367 static const struct snd_kcontrol_new aic3x_right_dac_mux_controls =
368 SOC_DAPM_ENUM("Route", aic3x_enum[RDAC_ENUM]);
369
370 /* Left HPCOM Mux */
371 static const struct snd_kcontrol_new aic3x_left_hpcom_mux_controls =
372 SOC_DAPM_ENUM("Route", aic3x_enum[LHPCOM_ENUM]);
373
374 /* Right HPCOM Mux */
375 static const struct snd_kcontrol_new aic3x_right_hpcom_mux_controls =
376 SOC_DAPM_ENUM("Route", aic3x_enum[RHPCOM_ENUM]);
377
378 /* Left DAC_L1 Mixer */
379 static const struct snd_kcontrol_new aic3x_left_dac_mixer_controls[] = {
380 SOC_DAPM_SINGLE("LineL Switch", DACL1_2_LLOPM_VOL, 7, 1, 0),
381 SOC_DAPM_SINGLE("LineR Switch", DACL1_2_RLOPM_VOL, 7, 1, 0),
382 SOC_DAPM_SINGLE("Mono Switch", DACL1_2_MONOLOPM_VOL, 7, 1, 0),
383 SOC_DAPM_SINGLE("HP Switch", DACL1_2_HPLOUT_VOL, 7, 1, 0),
384 SOC_DAPM_SINGLE("HPCOM Switch", DACL1_2_HPLCOM_VOL, 7, 1, 0),
385 };
386
387 /* Right DAC_R1 Mixer */
388 static const struct snd_kcontrol_new aic3x_right_dac_mixer_controls[] = {
389 SOC_DAPM_SINGLE("LineL Switch", DACR1_2_LLOPM_VOL, 7, 1, 0),
390 SOC_DAPM_SINGLE("LineR Switch", DACR1_2_RLOPM_VOL, 7, 1, 0),
391 SOC_DAPM_SINGLE("Mono Switch", DACR1_2_MONOLOPM_VOL, 7, 1, 0),
392 SOC_DAPM_SINGLE("HP Switch", DACR1_2_HPROUT_VOL, 7, 1, 0),
393 SOC_DAPM_SINGLE("HPCOM Switch", DACR1_2_HPRCOM_VOL, 7, 1, 0),
394 };
395
396 /* Left PGA Mixer */
397 static const struct snd_kcontrol_new aic3x_left_pga_mixer_controls[] = {
398 SOC_DAPM_SINGLE_AIC3X("Line1L Switch", LINE1L_2_LADC_CTRL, 3, 1, 1),
399 SOC_DAPM_SINGLE_AIC3X("Line1R Switch", LINE1R_2_LADC_CTRL, 3, 1, 1),
400 SOC_DAPM_SINGLE_AIC3X("Line2L Switch", LINE2L_2_LADC_CTRL, 3, 1, 1),
401 SOC_DAPM_SINGLE_AIC3X("Mic3L Switch", MIC3LR_2_LADC_CTRL, 4, 1, 1),
402 SOC_DAPM_SINGLE_AIC3X("Mic3R Switch", MIC3LR_2_LADC_CTRL, 0, 1, 1),
403 };
404
405 /* Right PGA Mixer */
406 static const struct snd_kcontrol_new aic3x_right_pga_mixer_controls[] = {
407 SOC_DAPM_SINGLE_AIC3X("Line1R Switch", LINE1R_2_RADC_CTRL, 3, 1, 1),
408 SOC_DAPM_SINGLE_AIC3X("Line1L Switch", LINE1L_2_RADC_CTRL, 3, 1, 1),
409 SOC_DAPM_SINGLE_AIC3X("Line2R Switch", LINE2R_2_RADC_CTRL, 3, 1, 1),
410 SOC_DAPM_SINGLE_AIC3X("Mic3L Switch", MIC3LR_2_RADC_CTRL, 4, 1, 1),
411 SOC_DAPM_SINGLE_AIC3X("Mic3R Switch", MIC3LR_2_RADC_CTRL, 0, 1, 1),
412 };
413
414 /* Left Line1 Mux */
415 static const struct snd_kcontrol_new aic3x_left_line1_mux_controls =
416 SOC_DAPM_ENUM("Route", aic3x_enum[LINE1L_ENUM]);
417
418 /* Right Line1 Mux */
419 static const struct snd_kcontrol_new aic3x_right_line1_mux_controls =
420 SOC_DAPM_ENUM("Route", aic3x_enum[LINE1R_ENUM]);
421
422 /* Left Line2 Mux */
423 static const struct snd_kcontrol_new aic3x_left_line2_mux_controls =
424 SOC_DAPM_ENUM("Route", aic3x_enum[LINE2L_ENUM]);
425
426 /* Right Line2 Mux */
427 static const struct snd_kcontrol_new aic3x_right_line2_mux_controls =
428 SOC_DAPM_ENUM("Route", aic3x_enum[LINE2R_ENUM]);
429
430 /* Left PGA Bypass Mixer */
431 static const struct snd_kcontrol_new aic3x_left_pga_bp_mixer_controls[] = {
432 SOC_DAPM_SINGLE("LineL Switch", PGAL_2_LLOPM_VOL, 7, 1, 0),
433 SOC_DAPM_SINGLE("LineR Switch", PGAL_2_RLOPM_VOL, 7, 1, 0),
434 SOC_DAPM_SINGLE("Mono Switch", PGAL_2_MONOLOPM_VOL, 7, 1, 0),
435 SOC_DAPM_SINGLE("HPL Switch", PGAL_2_HPLOUT_VOL, 7, 1, 0),
436 SOC_DAPM_SINGLE("HPR Switch", PGAL_2_HPROUT_VOL, 7, 1, 0),
437 SOC_DAPM_SINGLE("HPLCOM Switch", PGAL_2_HPLCOM_VOL, 7, 1, 0),
438 SOC_DAPM_SINGLE("HPRCOM Switch", PGAL_2_HPRCOM_VOL, 7, 1, 0),
439 };
440
441 /* Right PGA Bypass Mixer */
442 static const struct snd_kcontrol_new aic3x_right_pga_bp_mixer_controls[] = {
443 SOC_DAPM_SINGLE("LineL Switch", PGAR_2_LLOPM_VOL, 7, 1, 0),
444 SOC_DAPM_SINGLE("LineR Switch", PGAR_2_RLOPM_VOL, 7, 1, 0),
445 SOC_DAPM_SINGLE("Mono Switch", PGAR_2_MONOLOPM_VOL, 7, 1, 0),
446 SOC_DAPM_SINGLE("HPL Switch", PGAR_2_HPLOUT_VOL, 7, 1, 0),
447 SOC_DAPM_SINGLE("HPR Switch", PGAR_2_HPROUT_VOL, 7, 1, 0),
448 SOC_DAPM_SINGLE("HPLCOM Switch", PGAR_2_HPLCOM_VOL, 7, 1, 0),
449 SOC_DAPM_SINGLE("HPRCOM Switch", PGAR_2_HPRCOM_VOL, 7, 1, 0),
450 };
451
452 /* Left Line2 Bypass Mixer */
453 static const struct snd_kcontrol_new aic3x_left_line2_bp_mixer_controls[] = {
454 SOC_DAPM_SINGLE("LineL Switch", LINE2L_2_LLOPM_VOL, 7, 1, 0),
455 SOC_DAPM_SINGLE("LineR Switch", LINE2L_2_RLOPM_VOL, 7, 1, 0),
456 SOC_DAPM_SINGLE("Mono Switch", LINE2L_2_MONOLOPM_VOL, 7, 1, 0),
457 SOC_DAPM_SINGLE("HP Switch", LINE2L_2_HPLOUT_VOL, 7, 1, 0),
458 SOC_DAPM_SINGLE("HPLCOM Switch", LINE2L_2_HPLCOM_VOL, 7, 1, 0),
459 };
460
461 /* Right Line2 Bypass Mixer */
462 static const struct snd_kcontrol_new aic3x_right_line2_bp_mixer_controls[] = {
463 SOC_DAPM_SINGLE("LineL Switch", LINE2R_2_LLOPM_VOL, 7, 1, 0),
464 SOC_DAPM_SINGLE("LineR Switch", LINE2R_2_RLOPM_VOL, 7, 1, 0),
465 SOC_DAPM_SINGLE("Mono Switch", LINE2R_2_MONOLOPM_VOL, 7, 1, 0),
466 SOC_DAPM_SINGLE("HP Switch", LINE2R_2_HPROUT_VOL, 7, 1, 0),
467 SOC_DAPM_SINGLE("HPRCOM Switch", LINE2R_2_HPRCOM_VOL, 7, 1, 0),
468 };
469
470 static const struct snd_soc_dapm_widget aic3x_dapm_widgets[] = {
471 /* Left DAC to Left Outputs */
472 SND_SOC_DAPM_DAC("Left DAC", "Left Playback", DAC_PWR, 7, 0),
473 SND_SOC_DAPM_MUX("Left DAC Mux", SND_SOC_NOPM, 0, 0,
474 &aic3x_left_dac_mux_controls),
475 SND_SOC_DAPM_MIXER("Left DAC_L1 Mixer", SND_SOC_NOPM, 0, 0,
476 &aic3x_left_dac_mixer_controls[0],
477 ARRAY_SIZE(aic3x_left_dac_mixer_controls)),
478 SND_SOC_DAPM_MUX("Left HPCOM Mux", SND_SOC_NOPM, 0, 0,
479 &aic3x_left_hpcom_mux_controls),
480 SND_SOC_DAPM_PGA("Left Line Out", LLOPM_CTRL, 0, 0, NULL, 0),
481 SND_SOC_DAPM_PGA("Left HP Out", HPLOUT_CTRL, 0, 0, NULL, 0),
482 SND_SOC_DAPM_PGA("Left HP Com", HPLCOM_CTRL, 0, 0, NULL, 0),
483
484 /* Right DAC to Right Outputs */
485 SND_SOC_DAPM_DAC("Right DAC", "Right Playback", DAC_PWR, 6, 0),
486 SND_SOC_DAPM_MUX("Right DAC Mux", SND_SOC_NOPM, 0, 0,
487 &aic3x_right_dac_mux_controls),
488 SND_SOC_DAPM_MIXER("Right DAC_R1 Mixer", SND_SOC_NOPM, 0, 0,
489 &aic3x_right_dac_mixer_controls[0],
490 ARRAY_SIZE(aic3x_right_dac_mixer_controls)),
491 SND_SOC_DAPM_MUX("Right HPCOM Mux", SND_SOC_NOPM, 0, 0,
492 &aic3x_right_hpcom_mux_controls),
493 SND_SOC_DAPM_PGA("Right Line Out", RLOPM_CTRL, 0, 0, NULL, 0),
494 SND_SOC_DAPM_PGA("Right HP Out", HPROUT_CTRL, 0, 0, NULL, 0),
495 SND_SOC_DAPM_PGA("Right HP Com", HPRCOM_CTRL, 0, 0, NULL, 0),
496
497 /* Mono Output */
498 SND_SOC_DAPM_PGA("Mono Out", MONOLOPM_CTRL, 0, 0, NULL, 0),
499
500 /* Inputs to Left ADC */
501 SND_SOC_DAPM_ADC("Left ADC", "Left Capture", LINE1L_2_LADC_CTRL, 2, 0),
502 SND_SOC_DAPM_MIXER("Left PGA Mixer", SND_SOC_NOPM, 0, 0,
503 &aic3x_left_pga_mixer_controls[0],
504 ARRAY_SIZE(aic3x_left_pga_mixer_controls)),
505 SND_SOC_DAPM_MUX("Left Line1L Mux", SND_SOC_NOPM, 0, 0,
506 &aic3x_left_line1_mux_controls),
507 SND_SOC_DAPM_MUX("Left Line1R Mux", SND_SOC_NOPM, 0, 0,
508 &aic3x_left_line1_mux_controls),
509 SND_SOC_DAPM_MUX("Left Line2L Mux", SND_SOC_NOPM, 0, 0,
510 &aic3x_left_line2_mux_controls),
511
512 /* Inputs to Right ADC */
513 SND_SOC_DAPM_ADC("Right ADC", "Right Capture",
514 LINE1R_2_RADC_CTRL, 2, 0),
515 SND_SOC_DAPM_MIXER("Right PGA Mixer", SND_SOC_NOPM, 0, 0,
516 &aic3x_right_pga_mixer_controls[0],
517 ARRAY_SIZE(aic3x_right_pga_mixer_controls)),
518 SND_SOC_DAPM_MUX("Right Line1L Mux", SND_SOC_NOPM, 0, 0,
519 &aic3x_right_line1_mux_controls),
520 SND_SOC_DAPM_MUX("Right Line1R Mux", SND_SOC_NOPM, 0, 0,
521 &aic3x_right_line1_mux_controls),
522 SND_SOC_DAPM_MUX("Right Line2R Mux", SND_SOC_NOPM, 0, 0,
523 &aic3x_right_line2_mux_controls),
524
525 /*
526 * Not a real mic bias widget but similar function. This is for dynamic
527 * control of GPIO1 digital mic modulator clock output function when
528 * using digital mic.
529 */
530 SND_SOC_DAPM_REG(snd_soc_dapm_micbias, "GPIO1 dmic modclk",
531 AIC3X_GPIO1_REG, 4, 0xf,
532 AIC3X_GPIO1_FUNC_DIGITAL_MIC_MODCLK,
533 AIC3X_GPIO1_FUNC_DISABLED),
534
535 /*
536 * Also similar function like mic bias. Selects digital mic with
537 * configurable oversampling rate instead of ADC converter.
538 */
539 SND_SOC_DAPM_REG(snd_soc_dapm_micbias, "DMic Rate 128",
540 AIC3X_ASD_INTF_CTRLA, 0, 3, 1, 0),
541 SND_SOC_DAPM_REG(snd_soc_dapm_micbias, "DMic Rate 64",
542 AIC3X_ASD_INTF_CTRLA, 0, 3, 2, 0),
543 SND_SOC_DAPM_REG(snd_soc_dapm_micbias, "DMic Rate 32",
544 AIC3X_ASD_INTF_CTRLA, 0, 3, 3, 0),
545
546 /* Mic Bias */
547 SND_SOC_DAPM_REG(snd_soc_dapm_micbias, "Mic Bias 2V",
548 MICBIAS_CTRL, 6, 3, 1, 0),
549 SND_SOC_DAPM_REG(snd_soc_dapm_micbias, "Mic Bias 2.5V",
550 MICBIAS_CTRL, 6, 3, 2, 0),
551 SND_SOC_DAPM_REG(snd_soc_dapm_micbias, "Mic Bias AVDD",
552 MICBIAS_CTRL, 6, 3, 3, 0),
553
554 /* Left PGA to Left Output bypass */
555 SND_SOC_DAPM_MIXER("Left PGA Bypass Mixer", SND_SOC_NOPM, 0, 0,
556 &aic3x_left_pga_bp_mixer_controls[0],
557 ARRAY_SIZE(aic3x_left_pga_bp_mixer_controls)),
558
559 /* Right PGA to Right Output bypass */
560 SND_SOC_DAPM_MIXER("Right PGA Bypass Mixer", SND_SOC_NOPM, 0, 0,
561 &aic3x_right_pga_bp_mixer_controls[0],
562 ARRAY_SIZE(aic3x_right_pga_bp_mixer_controls)),
563
564 /* Left Line2 to Left Output bypass */
565 SND_SOC_DAPM_MIXER("Left Line2 Bypass Mixer", SND_SOC_NOPM, 0, 0,
566 &aic3x_left_line2_bp_mixer_controls[0],
567 ARRAY_SIZE(aic3x_left_line2_bp_mixer_controls)),
568
569 /* Right Line2 to Right Output bypass */
570 SND_SOC_DAPM_MIXER("Right Line2 Bypass Mixer", SND_SOC_NOPM, 0, 0,
571 &aic3x_right_line2_bp_mixer_controls[0],
572 ARRAY_SIZE(aic3x_right_line2_bp_mixer_controls)),
573
574 SND_SOC_DAPM_OUTPUT("LLOUT"),
575 SND_SOC_DAPM_OUTPUT("RLOUT"),
576 SND_SOC_DAPM_OUTPUT("MONO_LOUT"),
577 SND_SOC_DAPM_OUTPUT("HPLOUT"),
578 SND_SOC_DAPM_OUTPUT("HPROUT"),
579 SND_SOC_DAPM_OUTPUT("HPLCOM"),
580 SND_SOC_DAPM_OUTPUT("HPRCOM"),
581
582 SND_SOC_DAPM_INPUT("MIC3L"),
583 SND_SOC_DAPM_INPUT("MIC3R"),
584 SND_SOC_DAPM_INPUT("LINE1L"),
585 SND_SOC_DAPM_INPUT("LINE1R"),
586 SND_SOC_DAPM_INPUT("LINE2L"),
587 SND_SOC_DAPM_INPUT("LINE2R"),
588 };
589
590 static const struct snd_soc_dapm_route intercon[] = {
591 /* Left Output */
592 {"Left DAC Mux", "DAC_L1", "Left DAC"},
593 {"Left DAC Mux", "DAC_L2", "Left DAC"},
594 {"Left DAC Mux", "DAC_L3", "Left DAC"},
595
596 {"Left DAC_L1 Mixer", "LineL Switch", "Left DAC Mux"},
597 {"Left DAC_L1 Mixer", "LineR Switch", "Left DAC Mux"},
598 {"Left DAC_L1 Mixer", "Mono Switch", "Left DAC Mux"},
599 {"Left DAC_L1 Mixer", "HP Switch", "Left DAC Mux"},
600 {"Left DAC_L1 Mixer", "HPCOM Switch", "Left DAC Mux"},
601 {"Left Line Out", NULL, "Left DAC Mux"},
602 {"Left HP Out", NULL, "Left DAC Mux"},
603
604 {"Left HPCOM Mux", "differential of HPLOUT", "Left DAC_L1 Mixer"},
605 {"Left HPCOM Mux", "constant VCM", "Left DAC_L1 Mixer"},
606 {"Left HPCOM Mux", "single-ended", "Left DAC_L1 Mixer"},
607
608 {"Left Line Out", NULL, "Left DAC_L1 Mixer"},
609 {"Mono Out", NULL, "Left DAC_L1 Mixer"},
610 {"Left HP Out", NULL, "Left DAC_L1 Mixer"},
611 {"Left HP Com", NULL, "Left HPCOM Mux"},
612
613 {"LLOUT", NULL, "Left Line Out"},
614 {"LLOUT", NULL, "Left Line Out"},
615 {"HPLOUT", NULL, "Left HP Out"},
616 {"HPLCOM", NULL, "Left HP Com"},
617
618 /* Right Output */
619 {"Right DAC Mux", "DAC_R1", "Right DAC"},
620 {"Right DAC Mux", "DAC_R2", "Right DAC"},
621 {"Right DAC Mux", "DAC_R3", "Right DAC"},
622
623 {"Right DAC_R1 Mixer", "LineL Switch", "Right DAC Mux"},
624 {"Right DAC_R1 Mixer", "LineR Switch", "Right DAC Mux"},
625 {"Right DAC_R1 Mixer", "Mono Switch", "Right DAC Mux"},
626 {"Right DAC_R1 Mixer", "HP Switch", "Right DAC Mux"},
627 {"Right DAC_R1 Mixer", "HPCOM Switch", "Right DAC Mux"},
628 {"Right Line Out", NULL, "Right DAC Mux"},
629 {"Right HP Out", NULL, "Right DAC Mux"},
630
631 {"Right HPCOM Mux", "differential of HPROUT", "Right DAC_R1 Mixer"},
632 {"Right HPCOM Mux", "constant VCM", "Right DAC_R1 Mixer"},
633 {"Right HPCOM Mux", "single-ended", "Right DAC_R1 Mixer"},
634 {"Right HPCOM Mux", "differential of HPLCOM", "Right DAC_R1 Mixer"},
635 {"Right HPCOM Mux", "external feedback", "Right DAC_R1 Mixer"},
636
637 {"Right Line Out", NULL, "Right DAC_R1 Mixer"},
638 {"Mono Out", NULL, "Right DAC_R1 Mixer"},
639 {"Right HP Out", NULL, "Right DAC_R1 Mixer"},
640 {"Right HP Com", NULL, "Right HPCOM Mux"},
641
642 {"RLOUT", NULL, "Right Line Out"},
643 {"RLOUT", NULL, "Right Line Out"},
644 {"HPROUT", NULL, "Right HP Out"},
645 {"HPRCOM", NULL, "Right HP Com"},
646
647 /* Mono Output */
648 {"MONO_LOUT", NULL, "Mono Out"},
649 {"MONO_LOUT", NULL, "Mono Out"},
650
651 /* Left Input */
652 {"Left Line1L Mux", "single-ended", "LINE1L"},
653 {"Left Line1L Mux", "differential", "LINE1L"},
654
655 {"Left Line2L Mux", "single-ended", "LINE2L"},
656 {"Left Line2L Mux", "differential", "LINE2L"},
657
658 {"Left PGA Mixer", "Line1L Switch", "Left Line1L Mux"},
659 {"Left PGA Mixer", "Line1R Switch", "Left Line1R Mux"},
660 {"Left PGA Mixer", "Line2L Switch", "Left Line2L Mux"},
661 {"Left PGA Mixer", "Mic3L Switch", "MIC3L"},
662 {"Left PGA Mixer", "Mic3R Switch", "MIC3R"},
663
664 {"Left ADC", NULL, "Left PGA Mixer"},
665 {"Left ADC", NULL, "GPIO1 dmic modclk"},
666
667 /* Right Input */
668 {"Right Line1R Mux", "single-ended", "LINE1R"},
669 {"Right Line1R Mux", "differential", "LINE1R"},
670
671 {"Right Line2R Mux", "single-ended", "LINE2R"},
672 {"Right Line2R Mux", "differential", "LINE2R"},
673
674 {"Right PGA Mixer", "Line1L Switch", "Right Line1L Mux"},
675 {"Right PGA Mixer", "Line1R Switch", "Right Line1R Mux"},
676 {"Right PGA Mixer", "Line2R Switch", "Right Line2R Mux"},
677 {"Right PGA Mixer", "Mic3L Switch", "MIC3L"},
678 {"Right PGA Mixer", "Mic3R Switch", "MIC3R"},
679
680 {"Right ADC", NULL, "Right PGA Mixer"},
681 {"Right ADC", NULL, "GPIO1 dmic modclk"},
682
683 /* Left PGA Bypass */
684 {"Left PGA Bypass Mixer", "LineL Switch", "Left PGA Mixer"},
685 {"Left PGA Bypass Mixer", "LineR Switch", "Left PGA Mixer"},
686 {"Left PGA Bypass Mixer", "Mono Switch", "Left PGA Mixer"},
687 {"Left PGA Bypass Mixer", "HPL Switch", "Left PGA Mixer"},
688 {"Left PGA Bypass Mixer", "HPR Switch", "Left PGA Mixer"},
689 {"Left PGA Bypass Mixer", "HPLCOM Switch", "Left PGA Mixer"},
690 {"Left PGA Bypass Mixer", "HPRCOM Switch", "Left PGA Mixer"},
691
692 {"Left HPCOM Mux", "differential of HPLOUT", "Left PGA Bypass Mixer"},
693 {"Left HPCOM Mux", "constant VCM", "Left PGA Bypass Mixer"},
694 {"Left HPCOM Mux", "single-ended", "Left PGA Bypass Mixer"},
695
696 {"Left Line Out", NULL, "Left PGA Bypass Mixer"},
697 {"Mono Out", NULL, "Left PGA Bypass Mixer"},
698 {"Left HP Out", NULL, "Left PGA Bypass Mixer"},
699
700 /* Right PGA Bypass */
701 {"Right PGA Bypass Mixer", "LineL Switch", "Right PGA Mixer"},
702 {"Right PGA Bypass Mixer", "LineR Switch", "Right PGA Mixer"},
703 {"Right PGA Bypass Mixer", "Mono Switch", "Right PGA Mixer"},
704 {"Right PGA Bypass Mixer", "HPL Switch", "Right PGA Mixer"},
705 {"Right PGA Bypass Mixer", "HPR Switch", "Right PGA Mixer"},
706 {"Right PGA Bypass Mixer", "HPLCOM Switch", "Right PGA Mixer"},
707 {"Right PGA Bypass Mixer", "HPRCOM Switch", "Right PGA Mixer"},
708
709 {"Right HPCOM Mux", "differential of HPROUT", "Right PGA Bypass Mixer"},
710 {"Right HPCOM Mux", "constant VCM", "Right PGA Bypass Mixer"},
711 {"Right HPCOM Mux", "single-ended", "Right PGA Bypass Mixer"},
712 {"Right HPCOM Mux", "differential of HPLCOM", "Right PGA Bypass Mixer"},
713 {"Right HPCOM Mux", "external feedback", "Right PGA Bypass Mixer"},
714
715 {"Right Line Out", NULL, "Right PGA Bypass Mixer"},
716 {"Mono Out", NULL, "Right PGA Bypass Mixer"},
717 {"Right HP Out", NULL, "Right PGA Bypass Mixer"},
718
719 /* Left Line2 Bypass */
720 {"Left Line2 Bypass Mixer", "LineL Switch", "Left Line2L Mux"},
721 {"Left Line2 Bypass Mixer", "LineR Switch", "Left Line2L Mux"},
722 {"Left Line2 Bypass Mixer", "Mono Switch", "Left Line2L Mux"},
723 {"Left Line2 Bypass Mixer", "HP Switch", "Left Line2L Mux"},
724 {"Left Line2 Bypass Mixer", "HPLCOM Switch", "Left Line2L Mux"},
725
726 {"Left HPCOM Mux", "differential of HPLOUT", "Left Line2 Bypass Mixer"},
727 {"Left HPCOM Mux", "constant VCM", "Left Line2 Bypass Mixer"},
728 {"Left HPCOM Mux", "single-ended", "Left Line2 Bypass Mixer"},
729
730 {"Left Line Out", NULL, "Left Line2 Bypass Mixer"},
731 {"Mono Out", NULL, "Left Line2 Bypass Mixer"},
732 {"Left HP Out", NULL, "Left Line2 Bypass Mixer"},
733
734 /* Right Line2 Bypass */
735 {"Right Line2 Bypass Mixer", "LineL Switch", "Right Line2R Mux"},
736 {"Right Line2 Bypass Mixer", "LineR Switch", "Right Line2R Mux"},
737 {"Right Line2 Bypass Mixer", "Mono Switch", "Right Line2R Mux"},
738 {"Right Line2 Bypass Mixer", "HP Switch", "Right Line2R Mux"},
739 {"Right Line2 Bypass Mixer", "HPRCOM Switch", "Right Line2R Mux"},
740
741 {"Right HPCOM Mux", "differential of HPROUT", "Right Line2 Bypass Mixer"},
742 {"Right HPCOM Mux", "constant VCM", "Right Line2 Bypass Mixer"},
743 {"Right HPCOM Mux", "single-ended", "Right Line2 Bypass Mixer"},
744 {"Right HPCOM Mux", "differential of HPLCOM", "Right Line2 Bypass Mixer"},
745 {"Right HPCOM Mux", "external feedback", "Right Line2 Bypass Mixer"},
746
747 {"Right Line Out", NULL, "Right Line2 Bypass Mixer"},
748 {"Mono Out", NULL, "Right Line2 Bypass Mixer"},
749 {"Right HP Out", NULL, "Right Line2 Bypass Mixer"},
750
751 /*
752 * Logical path between digital mic enable and GPIO1 modulator clock
753 * output function
754 */
755 {"GPIO1 dmic modclk", NULL, "DMic Rate 128"},
756 {"GPIO1 dmic modclk", NULL, "DMic Rate 64"},
757 {"GPIO1 dmic modclk", NULL, "DMic Rate 32"},
758 };
759
760 static int aic3x_add_widgets(struct snd_soc_codec *codec)
761 {
762 snd_soc_dapm_new_controls(codec, aic3x_dapm_widgets,
763 ARRAY_SIZE(aic3x_dapm_widgets));
764
765 /* set up audio path interconnects */
766 snd_soc_dapm_add_routes(codec, intercon, ARRAY_SIZE(intercon));
767
768 return 0;
769 }
770
771 static int aic3x_hw_params(struct snd_pcm_substream *substream,
772 struct snd_pcm_hw_params *params,
773 struct snd_soc_dai *dai)
774 {
775 struct snd_soc_pcm_runtime *rtd = substream->private_data;
776 struct snd_soc_device *socdev = rtd->socdev;
777 struct snd_soc_codec *codec = socdev->card->codec;
778 struct aic3x_priv *aic3x = snd_soc_codec_get_drvdata(codec);
779 int codec_clk = 0, bypass_pll = 0, fsref, last_clk = 0;
780 u8 data, j, r, p, pll_q, pll_p = 1, pll_r = 1, pll_j = 1;
781 u16 d, pll_d = 1;
782 u8 reg;
783 int clk;
784
785 /* select data word length */
786 data =
787 aic3x_read_reg_cache(codec, AIC3X_ASD_INTF_CTRLB) & (~(0x3 << 4));
788 switch (params_format(params)) {
789 case SNDRV_PCM_FORMAT_S16_LE:
790 break;
791 case SNDRV_PCM_FORMAT_S20_3LE:
792 data |= (0x01 << 4);
793 break;
794 case SNDRV_PCM_FORMAT_S24_LE:
795 data |= (0x02 << 4);
796 break;
797 case SNDRV_PCM_FORMAT_S32_LE:
798 data |= (0x03 << 4);
799 break;
800 }
801 aic3x_write(codec, AIC3X_ASD_INTF_CTRLB, data);
802
803 /* Fsref can be 44100 or 48000 */
804 fsref = (params_rate(params) % 11025 == 0) ? 44100 : 48000;
805
806 /* Try to find a value for Q which allows us to bypass the PLL and
807 * generate CODEC_CLK directly. */
808 for (pll_q = 2; pll_q < 18; pll_q++)
809 if (aic3x->sysclk / (128 * pll_q) == fsref) {
810 bypass_pll = 1;
811 break;
812 }
813
814 if (bypass_pll) {
815 pll_q &= 0xf;
816 aic3x_write(codec, AIC3X_PLL_PROGA_REG, pll_q << PLLQ_SHIFT);
817 aic3x_write(codec, AIC3X_GPIOB_REG, CODEC_CLKIN_CLKDIV);
818 /* disable PLL if it is bypassed */
819 reg = aic3x_read_reg_cache(codec, AIC3X_PLL_PROGA_REG);
820 aic3x_write(codec, AIC3X_PLL_PROGA_REG, reg & ~PLL_ENABLE);
821
822 } else {
823 aic3x_write(codec, AIC3X_GPIOB_REG, CODEC_CLKIN_PLLDIV);
824 /* enable PLL when it is used */
825 reg = aic3x_read_reg_cache(codec, AIC3X_PLL_PROGA_REG);
826 aic3x_write(codec, AIC3X_PLL_PROGA_REG, reg | PLL_ENABLE);
827 }
828
829 /* Route Left DAC to left channel input and
830 * right DAC to right channel input */
831 data = (LDAC2LCH | RDAC2RCH);
832 data |= (fsref == 44100) ? FSREF_44100 : FSREF_48000;
833 if (params_rate(params) >= 64000)
834 data |= DUAL_RATE_MODE;
835 aic3x_write(codec, AIC3X_CODEC_DATAPATH_REG, data);
836
837 /* codec sample rate select */
838 data = (fsref * 20) / params_rate(params);
839 if (params_rate(params) < 64000)
840 data /= 2;
841 data /= 5;
842 data -= 2;
843 data |= (data << 4);
844 aic3x_write(codec, AIC3X_SAMPLE_RATE_SEL_REG, data);
845
846 if (bypass_pll)
847 return 0;
848
849 /* Use PLL, compute apropriate setup for j, d, r and p, the closest
850 * one wins the game. Try with d==0 first, next with d!=0.
851 * Constraints for j are according to the datasheet.
852 * The sysclk is divided by 1000 to prevent integer overflows.
853 */
854
855 codec_clk = (2048 * fsref) / (aic3x->sysclk / 1000);
856
857 for (r = 1; r <= 16; r++)
858 for (p = 1; p <= 8; p++) {
859 for (j = 4; j <= 55; j++) {
860 /* This is actually 1000*((j+(d/10000))*r)/p
861 * The term had to be converted to get
862 * rid of the division by 10000; d = 0 here
863 */
864 int tmp_clk = (1000 * j * r) / p;
865
866 /* Check whether this values get closer than
867 * the best ones we had before
868 */
869 if (abs(codec_clk - tmp_clk) <
870 abs(codec_clk - last_clk)) {
871 pll_j = j; pll_d = 0;
872 pll_r = r; pll_p = p;
873 last_clk = tmp_clk;
874 }
875
876 /* Early exit for exact matches */
877 if (tmp_clk == codec_clk)
878 goto found;
879 }
880 }
881
882 /* try with d != 0 */
883 for (p = 1; p <= 8; p++) {
884 j = codec_clk * p / 1000;
885
886 if (j < 4 || j > 11)
887 continue;
888
889 /* do not use codec_clk here since we'd loose precision */
890 d = ((2048 * p * fsref) - j * aic3x->sysclk)
891 * 100 / (aic3x->sysclk/100);
892
893 clk = (10000 * j + d) / (10 * p);
894
895 /* check whether this values get closer than the best
896 * ones we had before */
897 if (abs(codec_clk - clk) < abs(codec_clk - last_clk)) {
898 pll_j = j; pll_d = d; pll_r = 1; pll_p = p;
899 last_clk = clk;
900 }
901
902 /* Early exit for exact matches */
903 if (clk == codec_clk)
904 goto found;
905 }
906
907 if (last_clk == 0) {
908 printk(KERN_ERR "%s(): unable to setup PLL\n", __func__);
909 return -EINVAL;
910 }
911
912 found:
913 data = aic3x_read_reg_cache(codec, AIC3X_PLL_PROGA_REG);
914 aic3x_write(codec, AIC3X_PLL_PROGA_REG, data | (pll_p << PLLP_SHIFT));
915 aic3x_write(codec, AIC3X_OVRF_STATUS_AND_PLLR_REG, pll_r << PLLR_SHIFT);
916 aic3x_write(codec, AIC3X_PLL_PROGB_REG, pll_j << PLLJ_SHIFT);
917 aic3x_write(codec, AIC3X_PLL_PROGC_REG, (pll_d >> 6) << PLLD_MSB_SHIFT);
918 aic3x_write(codec, AIC3X_PLL_PROGD_REG,
919 (pll_d & 0x3F) << PLLD_LSB_SHIFT);
920
921 return 0;
922 }
923
924 static int aic3x_mute(struct snd_soc_dai *dai, int mute)
925 {
926 struct snd_soc_codec *codec = dai->codec;
927 u8 ldac_reg = aic3x_read_reg_cache(codec, LDAC_VOL) & ~MUTE_ON;
928 u8 rdac_reg = aic3x_read_reg_cache(codec, RDAC_VOL) & ~MUTE_ON;
929
930 if (mute) {
931 aic3x_write(codec, LDAC_VOL, ldac_reg | MUTE_ON);
932 aic3x_write(codec, RDAC_VOL, rdac_reg | MUTE_ON);
933 } else {
934 aic3x_write(codec, LDAC_VOL, ldac_reg);
935 aic3x_write(codec, RDAC_VOL, rdac_reg);
936 }
937
938 return 0;
939 }
940
941 static int aic3x_set_dai_sysclk(struct snd_soc_dai *codec_dai,
942 int clk_id, unsigned int freq, int dir)
943 {
944 struct snd_soc_codec *codec = codec_dai->codec;
945 struct aic3x_priv *aic3x = snd_soc_codec_get_drvdata(codec);
946
947 aic3x->sysclk = freq;
948 return 0;
949 }
950
951 static int aic3x_set_dai_fmt(struct snd_soc_dai *codec_dai,
952 unsigned int fmt)
953 {
954 struct snd_soc_codec *codec = codec_dai->codec;
955 struct aic3x_priv *aic3x = snd_soc_codec_get_drvdata(codec);
956 u8 iface_areg, iface_breg;
957 int delay = 0;
958
959 iface_areg = aic3x_read_reg_cache(codec, AIC3X_ASD_INTF_CTRLA) & 0x3f;
960 iface_breg = aic3x_read_reg_cache(codec, AIC3X_ASD_INTF_CTRLB) & 0x3f;
961
962 /* set master/slave audio interface */
963 switch (fmt & SND_SOC_DAIFMT_MASTER_MASK) {
964 case SND_SOC_DAIFMT_CBM_CFM:
965 aic3x->master = 1;
966 iface_areg |= BIT_CLK_MASTER | WORD_CLK_MASTER;
967 break;
968 case SND_SOC_DAIFMT_CBS_CFS:
969 aic3x->master = 0;
970 break;
971 default:
972 return -EINVAL;
973 }
974
975 /*
976 * match both interface format and signal polarities since they
977 * are fixed
978 */
979 switch (fmt & (SND_SOC_DAIFMT_FORMAT_MASK |
980 SND_SOC_DAIFMT_INV_MASK)) {
981 case (SND_SOC_DAIFMT_I2S | SND_SOC_DAIFMT_NB_NF):
982 break;
983 case (SND_SOC_DAIFMT_DSP_A | SND_SOC_DAIFMT_IB_NF):
984 delay = 1;
985 case (SND_SOC_DAIFMT_DSP_B | SND_SOC_DAIFMT_IB_NF):
986 iface_breg |= (0x01 << 6);
987 break;
988 case (SND_SOC_DAIFMT_RIGHT_J | SND_SOC_DAIFMT_NB_NF):
989 iface_breg |= (0x02 << 6);
990 break;
991 case (SND_SOC_DAIFMT_LEFT_J | SND_SOC_DAIFMT_NB_NF):
992 iface_breg |= (0x03 << 6);
993 break;
994 default:
995 return -EINVAL;
996 }
997
998 /* set iface */
999 aic3x_write(codec, AIC3X_ASD_INTF_CTRLA, iface_areg);
1000 aic3x_write(codec, AIC3X_ASD_INTF_CTRLB, iface_breg);
1001 aic3x_write(codec, AIC3X_ASD_INTF_CTRLC, delay);
1002
1003 return 0;
1004 }
1005
1006 static int aic3x_set_bias_level(struct snd_soc_codec *codec,
1007 enum snd_soc_bias_level level)
1008 {
1009 struct aic3x_priv *aic3x = snd_soc_codec_get_drvdata(codec);
1010 u8 reg;
1011
1012 switch (level) {
1013 case SND_SOC_BIAS_ON:
1014 break;
1015 case SND_SOC_BIAS_PREPARE:
1016 if (aic3x->master) {
1017 /* enable pll */
1018 reg = aic3x_read_reg_cache(codec, AIC3X_PLL_PROGA_REG);
1019 aic3x_write(codec, AIC3X_PLL_PROGA_REG,
1020 reg | PLL_ENABLE);
1021 }
1022 break;
1023 case SND_SOC_BIAS_STANDBY:
1024 /* fall through and disable pll */
1025 case SND_SOC_BIAS_OFF:
1026 if (aic3x->master) {
1027 /* disable pll */
1028 reg = aic3x_read_reg_cache(codec, AIC3X_PLL_PROGA_REG);
1029 aic3x_write(codec, AIC3X_PLL_PROGA_REG,
1030 reg & ~PLL_ENABLE);
1031 }
1032 break;
1033 }
1034 codec->bias_level = level;
1035
1036 return 0;
1037 }
1038
1039 void aic3x_set_gpio(struct snd_soc_codec *codec, int gpio, int state)
1040 {
1041 u8 reg = gpio ? AIC3X_GPIO2_REG : AIC3X_GPIO1_REG;
1042 u8 bit = gpio ? 3: 0;
1043 u8 val = aic3x_read_reg_cache(codec, reg) & ~(1 << bit);
1044 aic3x_write(codec, reg, val | (!!state << bit));
1045 }
1046 EXPORT_SYMBOL_GPL(aic3x_set_gpio);
1047
1048 int aic3x_get_gpio(struct snd_soc_codec *codec, int gpio)
1049 {
1050 u8 reg = gpio ? AIC3X_GPIO2_REG : AIC3X_GPIO1_REG;
1051 u8 val, bit = gpio ? 2: 1;
1052
1053 aic3x_read(codec, reg, &val);
1054 return (val >> bit) & 1;
1055 }
1056 EXPORT_SYMBOL_GPL(aic3x_get_gpio);
1057
1058 void aic3x_set_headset_detection(struct snd_soc_codec *codec, int detect,
1059 int headset_debounce, int button_debounce)
1060 {
1061 u8 val;
1062
1063 val = ((detect & AIC3X_HEADSET_DETECT_MASK)
1064 << AIC3X_HEADSET_DETECT_SHIFT) |
1065 ((headset_debounce & AIC3X_HEADSET_DEBOUNCE_MASK)
1066 << AIC3X_HEADSET_DEBOUNCE_SHIFT) |
1067 ((button_debounce & AIC3X_BUTTON_DEBOUNCE_MASK)
1068 << AIC3X_BUTTON_DEBOUNCE_SHIFT);
1069
1070 if (detect & AIC3X_HEADSET_DETECT_MASK)
1071 val |= AIC3X_HEADSET_DETECT_ENABLED;
1072
1073 aic3x_write(codec, AIC3X_HEADSET_DETECT_CTRL_A, val);
1074 }
1075 EXPORT_SYMBOL_GPL(aic3x_set_headset_detection);
1076
1077 int aic3x_headset_detected(struct snd_soc_codec *codec)
1078 {
1079 u8 val;
1080 aic3x_read(codec, AIC3X_HEADSET_DETECT_CTRL_B, &val);
1081 return (val >> 4) & 1;
1082 }
1083 EXPORT_SYMBOL_GPL(aic3x_headset_detected);
1084
1085 int aic3x_button_pressed(struct snd_soc_codec *codec)
1086 {
1087 u8 val;
1088 aic3x_read(codec, AIC3X_HEADSET_DETECT_CTRL_B, &val);
1089 return (val >> 5) & 1;
1090 }
1091 EXPORT_SYMBOL_GPL(aic3x_button_pressed);
1092
1093 #define AIC3X_RATES SNDRV_PCM_RATE_8000_96000
1094 #define AIC3X_FORMATS (SNDRV_PCM_FMTBIT_S16_LE | SNDRV_PCM_FMTBIT_S20_3LE | \
1095 SNDRV_PCM_FMTBIT_S24_3LE | SNDRV_PCM_FMTBIT_S32_LE)
1096
1097 static struct snd_soc_dai_ops aic3x_dai_ops = {
1098 .hw_params = aic3x_hw_params,
1099 .digital_mute = aic3x_mute,
1100 .set_sysclk = aic3x_set_dai_sysclk,
1101 .set_fmt = aic3x_set_dai_fmt,
1102 };
1103
1104 struct snd_soc_dai aic3x_dai = {
1105 .name = "tlv320aic3x",
1106 .playback = {
1107 .stream_name = "Playback",
1108 .channels_min = 1,
1109 .channels_max = 2,
1110 .rates = AIC3X_RATES,
1111 .formats = AIC3X_FORMATS,},
1112 .capture = {
1113 .stream_name = "Capture",
1114 .channels_min = 1,
1115 .channels_max = 2,
1116 .rates = AIC3X_RATES,
1117 .formats = AIC3X_FORMATS,},
1118 .ops = &aic3x_dai_ops,
1119 };
1120 EXPORT_SYMBOL_GPL(aic3x_dai);
1121
1122 static int aic3x_suspend(struct platform_device *pdev, pm_message_t state)
1123 {
1124 struct snd_soc_device *socdev = platform_get_drvdata(pdev);
1125 struct snd_soc_codec *codec = socdev->card->codec;
1126
1127 aic3x_set_bias_level(codec, SND_SOC_BIAS_OFF);
1128
1129 return 0;
1130 }
1131
1132 static int aic3x_resume(struct platform_device *pdev)
1133 {
1134 struct snd_soc_device *socdev = platform_get_drvdata(pdev);
1135 struct snd_soc_codec *codec = socdev->card->codec;
1136 int i;
1137 u8 data[2];
1138 u8 *cache = codec->reg_cache;
1139
1140 /* Sync reg_cache with the hardware */
1141 for (i = 0; i < ARRAY_SIZE(aic3x_reg); i++) {
1142 data[0] = i;
1143 data[1] = cache[i];
1144 codec->hw_write(codec->control_data, data, 2);
1145 }
1146
1147 aic3x_set_bias_level(codec, SND_SOC_BIAS_STANDBY);
1148
1149 return 0;
1150 }
1151
1152 /*
1153 * initialise the AIC3X driver
1154 * register the mixer and dsp interfaces with the kernel
1155 */
1156 static int aic3x_init(struct snd_soc_codec *codec)
1157 {
1158 int reg;
1159
1160 mutex_init(&codec->mutex);
1161 INIT_LIST_HEAD(&codec->dapm_widgets);
1162 INIT_LIST_HEAD(&codec->dapm_paths);
1163
1164 codec->name = "tlv320aic3x";
1165 codec->owner = THIS_MODULE;
1166 codec->read = aic3x_read_reg_cache;
1167 codec->write = aic3x_write;
1168 codec->set_bias_level = aic3x_set_bias_level;
1169 codec->dai = &aic3x_dai;
1170 codec->num_dai = 1;
1171 codec->reg_cache_size = ARRAY_SIZE(aic3x_reg);
1172 codec->reg_cache = kmemdup(aic3x_reg, sizeof(aic3x_reg), GFP_KERNEL);
1173 if (codec->reg_cache == NULL)
1174 return -ENOMEM;
1175
1176 aic3x_write(codec, AIC3X_PAGE_SELECT, PAGE0_SELECT);
1177 aic3x_write(codec, AIC3X_RESET, SOFT_RESET);
1178
1179 /* DAC default volume and mute */
1180 aic3x_write(codec, LDAC_VOL, DEFAULT_VOL | MUTE_ON);
1181 aic3x_write(codec, RDAC_VOL, DEFAULT_VOL | MUTE_ON);
1182
1183 /* DAC to HP default volume and route to Output mixer */
1184 aic3x_write(codec, DACL1_2_HPLOUT_VOL, DEFAULT_VOL | ROUTE_ON);
1185 aic3x_write(codec, DACR1_2_HPROUT_VOL, DEFAULT_VOL | ROUTE_ON);
1186 aic3x_write(codec, DACL1_2_HPLCOM_VOL, DEFAULT_VOL | ROUTE_ON);
1187 aic3x_write(codec, DACR1_2_HPRCOM_VOL, DEFAULT_VOL | ROUTE_ON);
1188 /* DAC to Line Out default volume and route to Output mixer */
1189 aic3x_write(codec, DACL1_2_LLOPM_VOL, DEFAULT_VOL | ROUTE_ON);
1190 aic3x_write(codec, DACR1_2_RLOPM_VOL, DEFAULT_VOL | ROUTE_ON);
1191 /* DAC to Mono Line Out default volume and route to Output mixer */
1192 aic3x_write(codec, DACL1_2_MONOLOPM_VOL, DEFAULT_VOL | ROUTE_ON);
1193 aic3x_write(codec, DACR1_2_MONOLOPM_VOL, DEFAULT_VOL | ROUTE_ON);
1194
1195 /* unmute all outputs */
1196 reg = aic3x_read_reg_cache(codec, LLOPM_CTRL);
1197 aic3x_write(codec, LLOPM_CTRL, reg | UNMUTE);
1198 reg = aic3x_read_reg_cache(codec, RLOPM_CTRL);
1199 aic3x_write(codec, RLOPM_CTRL, reg | UNMUTE);
1200 reg = aic3x_read_reg_cache(codec, MONOLOPM_CTRL);
1201 aic3x_write(codec, MONOLOPM_CTRL, reg | UNMUTE);
1202 reg = aic3x_read_reg_cache(codec, HPLOUT_CTRL);
1203 aic3x_write(codec, HPLOUT_CTRL, reg | UNMUTE);
1204 reg = aic3x_read_reg_cache(codec, HPROUT_CTRL);
1205 aic3x_write(codec, HPROUT_CTRL, reg | UNMUTE);
1206 reg = aic3x_read_reg_cache(codec, HPLCOM_CTRL);
1207 aic3x_write(codec, HPLCOM_CTRL, reg | UNMUTE);
1208 reg = aic3x_read_reg_cache(codec, HPRCOM_CTRL);
1209 aic3x_write(codec, HPRCOM_CTRL, reg | UNMUTE);
1210
1211 /* ADC default volume and unmute */
1212 aic3x_write(codec, LADC_VOL, DEFAULT_GAIN);
1213 aic3x_write(codec, RADC_VOL, DEFAULT_GAIN);
1214 /* By default route Line1 to ADC PGA mixer */
1215 aic3x_write(codec, LINE1L_2_LADC_CTRL, 0x0);
1216 aic3x_write(codec, LINE1R_2_RADC_CTRL, 0x0);
1217
1218 /* PGA to HP Bypass default volume, disconnect from Output Mixer */
1219 aic3x_write(codec, PGAL_2_HPLOUT_VOL, DEFAULT_VOL);
1220 aic3x_write(codec, PGAR_2_HPROUT_VOL, DEFAULT_VOL);
1221 aic3x_write(codec, PGAL_2_HPLCOM_VOL, DEFAULT_VOL);
1222 aic3x_write(codec, PGAR_2_HPRCOM_VOL, DEFAULT_VOL);
1223 /* PGA to Line Out default volume, disconnect from Output Mixer */
1224 aic3x_write(codec, PGAL_2_LLOPM_VOL, DEFAULT_VOL);
1225 aic3x_write(codec, PGAR_2_RLOPM_VOL, DEFAULT_VOL);
1226 /* PGA to Mono Line Out default volume, disconnect from Output Mixer */
1227 aic3x_write(codec, PGAL_2_MONOLOPM_VOL, DEFAULT_VOL);
1228 aic3x_write(codec, PGAR_2_MONOLOPM_VOL, DEFAULT_VOL);
1229
1230 /* Line2 to HP Bypass default volume, disconnect from Output Mixer */
1231 aic3x_write(codec, LINE2L_2_HPLOUT_VOL, DEFAULT_VOL);
1232 aic3x_write(codec, LINE2R_2_HPROUT_VOL, DEFAULT_VOL);
1233 aic3x_write(codec, LINE2L_2_HPLCOM_VOL, DEFAULT_VOL);
1234 aic3x_write(codec, LINE2R_2_HPRCOM_VOL, DEFAULT_VOL);
1235 /* Line2 Line Out default volume, disconnect from Output Mixer */
1236 aic3x_write(codec, LINE2L_2_LLOPM_VOL, DEFAULT_VOL);
1237 aic3x_write(codec, LINE2R_2_RLOPM_VOL, DEFAULT_VOL);
1238 /* Line2 to Mono Out default volume, disconnect from Output Mixer */
1239 aic3x_write(codec, LINE2L_2_MONOLOPM_VOL, DEFAULT_VOL);
1240 aic3x_write(codec, LINE2R_2_MONOLOPM_VOL, DEFAULT_VOL);
1241
1242 /* off, with power on */
1243 aic3x_set_bias_level(codec, SND_SOC_BIAS_STANDBY);
1244
1245 return 0;
1246 }
1247
1248 static struct snd_soc_codec *aic3x_codec;
1249
1250 static int aic3x_register(struct snd_soc_codec *codec)
1251 {
1252 int ret;
1253
1254 ret = aic3x_init(codec);
1255 if (ret < 0) {
1256 dev_err(codec->dev, "Failed to initialise device\n");
1257 return ret;
1258 }
1259
1260 aic3x_codec = codec;
1261
1262 ret = snd_soc_register_codec(codec);
1263 if (ret) {
1264 dev_err(codec->dev, "Failed to register codec\n");
1265 return ret;
1266 }
1267
1268 ret = snd_soc_register_dai(&aic3x_dai);
1269 if (ret) {
1270 dev_err(codec->dev, "Failed to register dai\n");
1271 snd_soc_unregister_codec(codec);
1272 return ret;
1273 }
1274
1275 return 0;
1276 }
1277
1278 static int aic3x_unregister(struct aic3x_priv *aic3x)
1279 {
1280 aic3x_set_bias_level(&aic3x->codec, SND_SOC_BIAS_OFF);
1281
1282 snd_soc_unregister_dai(&aic3x_dai);
1283 snd_soc_unregister_codec(&aic3x->codec);
1284
1285 if (aic3x->gpio_reset >= 0) {
1286 gpio_set_value(aic3x->gpio_reset, 0);
1287 gpio_free(aic3x->gpio_reset);
1288 }
1289 regulator_bulk_disable(ARRAY_SIZE(aic3x->supplies), aic3x->supplies);
1290 regulator_bulk_free(ARRAY_SIZE(aic3x->supplies), aic3x->supplies);
1291
1292 kfree(aic3x);
1293 aic3x_codec = NULL;
1294
1295 return 0;
1296 }
1297
1298 #if defined(CONFIG_I2C) || defined(CONFIG_I2C_MODULE)
1299 /*
1300 * AIC3X 2 wire address can be up to 4 devices with device addresses
1301 * 0x18, 0x19, 0x1A, 0x1B
1302 */
1303
1304 /*
1305 * If the i2c layer weren't so broken, we could pass this kind of data
1306 * around
1307 */
1308 static int aic3x_i2c_probe(struct i2c_client *i2c,
1309 const struct i2c_device_id *id)
1310 {
1311 struct snd_soc_codec *codec;
1312 struct aic3x_priv *aic3x;
1313 struct aic3x_pdata *pdata = i2c->dev.platform_data;
1314 int ret, i;
1315
1316 aic3x = kzalloc(sizeof(struct aic3x_priv), GFP_KERNEL);
1317 if (aic3x == NULL) {
1318 dev_err(&i2c->dev, "failed to create private data\n");
1319 return -ENOMEM;
1320 }
1321
1322 codec = &aic3x->codec;
1323 codec->dev = &i2c->dev;
1324 snd_soc_codec_set_drvdata(codec, aic3x);
1325 codec->control_data = i2c;
1326 codec->hw_write = (hw_write_t) i2c_master_send;
1327
1328 i2c_set_clientdata(i2c, aic3x);
1329
1330 aic3x->gpio_reset = -1;
1331 if (pdata && pdata->gpio_reset >= 0) {
1332 ret = gpio_request(pdata->gpio_reset, "tlv320aic3x reset");
1333 if (ret != 0)
1334 goto err_gpio;
1335 aic3x->gpio_reset = pdata->gpio_reset;
1336 gpio_direction_output(aic3x->gpio_reset, 0);
1337 }
1338
1339 for (i = 0; i < ARRAY_SIZE(aic3x->supplies); i++)
1340 aic3x->supplies[i].supply = aic3x_supply_names[i];
1341
1342 ret = regulator_bulk_get(codec->dev, ARRAY_SIZE(aic3x->supplies),
1343 aic3x->supplies);
1344 if (ret != 0) {
1345 dev_err(codec->dev, "Failed to request supplies: %d\n", ret);
1346 goto err_get;
1347 }
1348
1349 ret = regulator_bulk_enable(ARRAY_SIZE(aic3x->supplies),
1350 aic3x->supplies);
1351 if (ret != 0) {
1352 dev_err(codec->dev, "Failed to enable supplies: %d\n", ret);
1353 goto err_enable;
1354 }
1355
1356 if (aic3x->gpio_reset >= 0) {
1357 udelay(1);
1358 gpio_set_value(aic3x->gpio_reset, 1);
1359 }
1360
1361 return aic3x_register(codec);
1362
1363 err_enable:
1364 regulator_bulk_free(ARRAY_SIZE(aic3x->supplies), aic3x->supplies);
1365 err_get:
1366 if (aic3x->gpio_reset >= 0)
1367 gpio_free(aic3x->gpio_reset);
1368 err_gpio:
1369 kfree(aic3x);
1370 return ret;
1371 }
1372
1373 static int aic3x_i2c_remove(struct i2c_client *client)
1374 {
1375 struct aic3x_priv *aic3x = i2c_get_clientdata(client);
1376
1377 return aic3x_unregister(aic3x);
1378 }
1379
1380 static const struct i2c_device_id aic3x_i2c_id[] = {
1381 { "tlv320aic3x", 0 },
1382 { "tlv320aic33", 0 },
1383 { }
1384 };
1385 MODULE_DEVICE_TABLE(i2c, aic3x_i2c_id);
1386
1387 /* machine i2c codec control layer */
1388 static struct i2c_driver aic3x_i2c_driver = {
1389 .driver = {
1390 .name = "aic3x I2C Codec",
1391 .owner = THIS_MODULE,
1392 },
1393 .probe = aic3x_i2c_probe,
1394 .remove = aic3x_i2c_remove,
1395 .id_table = aic3x_i2c_id,
1396 };
1397
1398 static inline void aic3x_i2c_init(void)
1399 {
1400 int ret;
1401
1402 ret = i2c_add_driver(&aic3x_i2c_driver);
1403 if (ret)
1404 printk(KERN_ERR "%s: error regsitering i2c driver, %d\n",
1405 __func__, ret);
1406 }
1407
1408 static inline void aic3x_i2c_exit(void)
1409 {
1410 i2c_del_driver(&aic3x_i2c_driver);
1411 }
1412 #else
1413 static inline void aic3x_i2c_init(void) { }
1414 static inline void aic3x_i2c_exit(void) { }
1415 #endif
1416
1417 static int aic3x_probe(struct platform_device *pdev)
1418 {
1419 struct snd_soc_device *socdev = platform_get_drvdata(pdev);
1420 struct aic3x_setup_data *setup;
1421 struct snd_soc_codec *codec;
1422 int ret = 0;
1423
1424 codec = aic3x_codec;
1425 if (!codec) {
1426 dev_err(&pdev->dev, "Codec not registered\n");
1427 return -ENODEV;
1428 }
1429
1430 socdev->card->codec = codec;
1431 setup = socdev->codec_data;
1432
1433 if (setup) {
1434 /* setup GPIO functions */
1435 aic3x_write(codec, AIC3X_GPIO1_REG,
1436 (setup->gpio_func[0] & 0xf) << 4);
1437 aic3x_write(codec, AIC3X_GPIO2_REG,
1438 (setup->gpio_func[1] & 0xf) << 4);
1439 }
1440
1441 /* register pcms */
1442 ret = snd_soc_new_pcms(socdev, SNDRV_DEFAULT_IDX1, SNDRV_DEFAULT_STR1);
1443 if (ret < 0) {
1444 printk(KERN_ERR "aic3x: failed to create pcms\n");
1445 goto pcm_err;
1446 }
1447
1448 snd_soc_add_controls(codec, aic3x_snd_controls,
1449 ARRAY_SIZE(aic3x_snd_controls));
1450
1451 aic3x_add_widgets(codec);
1452
1453 return ret;
1454
1455 pcm_err:
1456 kfree(codec->reg_cache);
1457 return ret;
1458 }
1459
1460 static int aic3x_remove(struct platform_device *pdev)
1461 {
1462 struct snd_soc_device *socdev = platform_get_drvdata(pdev);
1463 struct snd_soc_codec *codec = socdev->card->codec;
1464
1465 /* power down chip */
1466 if (codec->control_data)
1467 aic3x_set_bias_level(codec, SND_SOC_BIAS_OFF);
1468
1469 snd_soc_free_pcms(socdev);
1470 snd_soc_dapm_free(socdev);
1471
1472 kfree(codec->reg_cache);
1473
1474 return 0;
1475 }
1476
1477 struct snd_soc_codec_device soc_codec_dev_aic3x = {
1478 .probe = aic3x_probe,
1479 .remove = aic3x_remove,
1480 .suspend = aic3x_suspend,
1481 .resume = aic3x_resume,
1482 };
1483 EXPORT_SYMBOL_GPL(soc_codec_dev_aic3x);
1484
1485 static int __init aic3x_modinit(void)
1486 {
1487 aic3x_i2c_init();
1488
1489 return 0;
1490 }
1491 module_init(aic3x_modinit);
1492
1493 static void __exit aic3x_exit(void)
1494 {
1495 aic3x_i2c_exit();
1496 }
1497 module_exit(aic3x_exit);
1498
1499 MODULE_DESCRIPTION("ASoC TLV320AIC3X codec driver");
1500 MODULE_AUTHOR("Vladimir Barinov");
1501 MODULE_LICENSE("GPL");
Linux with added FPC-III support