blob: df1e07ffac32f6057f1e94d2a9421b14a8a89c9b [file] [log] [blame]
Arun KSc1f27192008-10-02 14:45:49 +05301/*
2 * ALSA SoC TLV320AIC23 codec driver
3 *
4 * Author: Arun KS, <arunks@mistralsolutions.com>
5 * Copyright: (C) 2008 Mistral Solutions Pvt Ltd.,
6 *
7 * Based on sound/soc/codecs/wm8731.c by Richard Purdie
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 AIC23 is a driver for a low power stereo audio
15 * codec tlv320aic23
16 *
17 * The machine layer should disable unsupported inputs/outputs by
18 * snd_soc_dapm_disable_pin(codec, "LHPOUT"), etc.
19 */
20
21#include <linux/module.h>
22#include <linux/moduleparam.h>
23#include <linux/init.h>
24#include <linux/delay.h>
25#include <linux/pm.h>
26#include <linux/i2c.h>
Tejun Heo5a0e3ad2010-03-24 17:04:11 +090027#include <linux/slab.h>
Arun KSc1f27192008-10-02 14:45:49 +053028#include <sound/core.h>
29#include <sound/pcm.h>
30#include <sound/pcm_params.h>
31#include <sound/soc.h>
Arun KSc1f27192008-10-02 14:45:49 +053032#include <sound/tlv.h>
33#include <sound/initval.h>
34
35#include "tlv320aic23.h"
36
Arun KSc1f27192008-10-02 14:45:49 +053037#define AIC23_VERSION "0.1"
38
Arun KSc1f27192008-10-02 14:45:49 +053039/*
40 * AIC23 register cache
41 */
42static const u16 tlv320aic23_reg[] = {
43 0x0097, 0x0097, 0x00F9, 0x00F9, /* 0 */
44 0x001A, 0x0004, 0x0007, 0x0001, /* 4 */
45 0x0020, 0x0000, 0x0000, 0x0000, /* 8 */
46 0x0000, 0x0000, 0x0000, 0x0000, /* 12 */
47};
48
Arun KSc1f27192008-10-02 14:45:49 +053049static const char *rec_src_text[] = { "Line", "Mic" };
50static const char *deemph_text[] = {"None", "32Khz", "44.1Khz", "48Khz"};
Arun KSc1f27192008-10-02 14:45:49 +053051
52static const struct soc_enum rec_src_enum =
53 SOC_ENUM_SINGLE(TLV320AIC23_ANLG, 2, 2, rec_src_text);
54
55static const struct snd_kcontrol_new tlv320aic23_rec_src_mux_controls =
56SOC_DAPM_ENUM("Input Select", rec_src_enum);
57
58static const struct soc_enum tlv320aic23_rec_src =
59 SOC_ENUM_SINGLE(TLV320AIC23_ANLG, 2, 2, rec_src_text);
60static const struct soc_enum tlv320aic23_deemph =
61 SOC_ENUM_SINGLE(TLV320AIC23_DIGT, 1, 4, deemph_text);
Arun KSc1f27192008-10-02 14:45:49 +053062
63static const DECLARE_TLV_DB_SCALE(out_gain_tlv, -12100, 100, 0);
64static const DECLARE_TLV_DB_SCALE(input_gain_tlv, -1725, 75, 0);
Arun KSdf91ddf2008-10-03 17:07:30 +053065static const DECLARE_TLV_DB_SCALE(sidetone_vol_tlv, -1800, 300, 0);
66
67static int snd_soc_tlv320aic23_put_volsw(struct snd_kcontrol *kcontrol,
68 struct snd_ctl_elem_value *ucontrol)
69{
70 struct snd_soc_codec *codec = snd_kcontrol_chip(kcontrol);
71 u16 val, reg;
72
73 val = (ucontrol->value.integer.value[0] & 0x07);
74
75 /* linear conversion to userspace
76 * 000 = -6db
77 * 001 = -9db
78 * 010 = -12db
79 * 011 = -18db (Min)
80 * 100 = 0db (Max)
81 */
82 val = (val >= 4) ? 4 : (3 - val);
83
Axel Linf9dfbf92011-10-13 15:06:43 +080084 reg = snd_soc_read(codec, TLV320AIC23_ANLG) & (~0x1C0);
85 snd_soc_write(codec, TLV320AIC23_ANLG, reg | (val << 6));
Arun KSdf91ddf2008-10-03 17:07:30 +053086
87 return 0;
88}
89
90static int snd_soc_tlv320aic23_get_volsw(struct snd_kcontrol *kcontrol,
91 struct snd_ctl_elem_value *ucontrol)
92{
93 struct snd_soc_codec *codec = snd_kcontrol_chip(kcontrol);
94 u16 val;
95
Axel Linf9dfbf92011-10-13 15:06:43 +080096 val = snd_soc_read(codec, TLV320AIC23_ANLG) & (0x1C0);
Arun KSdf91ddf2008-10-03 17:07:30 +053097 val = val >> 6;
98 val = (val >= 4) ? 4 : (3 - val);
99 ucontrol->value.integer.value[0] = val;
100 return 0;
101
102}
103
Arun KSc1f27192008-10-02 14:45:49 +0530104static const struct snd_kcontrol_new tlv320aic23_snd_controls[] = {
105 SOC_DOUBLE_R_TLV("Digital Playback Volume", TLV320AIC23_LCHNVOL,
106 TLV320AIC23_RCHNVOL, 0, 127, 0, out_gain_tlv),
107 SOC_SINGLE("Digital Playback Switch", TLV320AIC23_DIGT, 3, 1, 1),
108 SOC_DOUBLE_R("Line Input Switch", TLV320AIC23_LINVOL,
109 TLV320AIC23_RINVOL, 7, 1, 0),
110 SOC_DOUBLE_R_TLV("Line Input Volume", TLV320AIC23_LINVOL,
111 TLV320AIC23_RINVOL, 0, 31, 0, input_gain_tlv),
112 SOC_SINGLE("Mic Input Switch", TLV320AIC23_ANLG, 1, 1, 1),
113 SOC_SINGLE("Mic Booster Switch", TLV320AIC23_ANLG, 0, 1, 0),
Peter Ujfalusi0f9887d2011-10-05 10:29:19 +0300114 SOC_SINGLE_EXT_TLV("Sidetone Volume", TLV320AIC23_ANLG, 6, 4, 0,
115 snd_soc_tlv320aic23_get_volsw,
116 snd_soc_tlv320aic23_put_volsw, sidetone_vol_tlv),
Arun KSc1f27192008-10-02 14:45:49 +0530117 SOC_ENUM("Playback De-emphasis", tlv320aic23_deemph),
118};
119
Arun KSc1f27192008-10-02 14:45:49 +0530120/* PGA Mixer controls for Line and Mic switch */
121static const struct snd_kcontrol_new tlv320aic23_output_mixer_controls[] = {
122 SOC_DAPM_SINGLE("Line Bypass Switch", TLV320AIC23_ANLG, 3, 1, 0),
123 SOC_DAPM_SINGLE("Mic Sidetone Switch", TLV320AIC23_ANLG, 5, 1, 0),
124 SOC_DAPM_SINGLE("Playback Switch", TLV320AIC23_ANLG, 4, 1, 0),
125};
126
127static const struct snd_soc_dapm_widget tlv320aic23_dapm_widgets[] = {
128 SND_SOC_DAPM_DAC("DAC", "Playback", TLV320AIC23_PWR, 3, 1),
129 SND_SOC_DAPM_ADC("ADC", "Capture", TLV320AIC23_PWR, 2, 1),
130 SND_SOC_DAPM_MUX("Capture Source", SND_SOC_NOPM, 0, 0,
131 &tlv320aic23_rec_src_mux_controls),
132 SND_SOC_DAPM_MIXER("Output Mixer", TLV320AIC23_PWR, 4, 1,
133 &tlv320aic23_output_mixer_controls[0],
134 ARRAY_SIZE(tlv320aic23_output_mixer_controls)),
135 SND_SOC_DAPM_PGA("Line Input", TLV320AIC23_PWR, 0, 1, NULL, 0),
136 SND_SOC_DAPM_PGA("Mic Input", TLV320AIC23_PWR, 1, 1, NULL, 0),
137
138 SND_SOC_DAPM_OUTPUT("LHPOUT"),
139 SND_SOC_DAPM_OUTPUT("RHPOUT"),
140 SND_SOC_DAPM_OUTPUT("LOUT"),
141 SND_SOC_DAPM_OUTPUT("ROUT"),
142
143 SND_SOC_DAPM_INPUT("LLINEIN"),
144 SND_SOC_DAPM_INPUT("RLINEIN"),
145
146 SND_SOC_DAPM_INPUT("MICIN"),
147};
148
Lu Guanquna7dca702011-03-30 21:53:16 +0800149static const struct snd_soc_dapm_route tlv320aic23_intercon[] = {
Arun KSc1f27192008-10-02 14:45:49 +0530150 /* Output Mixer */
151 {"Output Mixer", "Line Bypass Switch", "Line Input"},
152 {"Output Mixer", "Playback Switch", "DAC"},
153 {"Output Mixer", "Mic Sidetone Switch", "Mic Input"},
154
155 /* Outputs */
156 {"RHPOUT", NULL, "Output Mixer"},
157 {"LHPOUT", NULL, "Output Mixer"},
158 {"LOUT", NULL, "Output Mixer"},
159 {"ROUT", NULL, "Output Mixer"},
160
161 /* Inputs */
162 {"Line Input", "NULL", "LLINEIN"},
163 {"Line Input", "NULL", "RLINEIN"},
164
165 {"Mic Input", "NULL", "MICIN"},
166
167 /* input mux */
168 {"Capture Source", "Line", "Line Input"},
169 {"Capture Source", "Mic", "Mic Input"},
170 {"ADC", NULL, "Capture Source"},
171
172};
173
Troy Kisky26df91c2008-11-05 18:53:28 +0000174/* AIC23 driver data */
175struct aic23 {
Liam Girdwoodf0fba2a2010-03-17 20:15:21 +0000176 enum snd_soc_control_type control_type;
Troy Kisky26df91c2008-11-05 18:53:28 +0000177 int mclk;
178 int requested_adc;
179 int requested_dac;
Arun KSc1f27192008-10-02 14:45:49 +0530180};
181
Troy Kisky26df91c2008-11-05 18:53:28 +0000182/*
183 * Common Crystals used
184 * 11.2896 Mhz /128 = *88.2k /192 = 58.8k
185 * 12.0000 Mhz /125 = *96k /136 = 88.235K
186 * 12.2880 Mhz /128 = *96k /192 = 64k
187 * 16.9344 Mhz /128 = 132.3k /192 = *88.2k
188 * 18.4320 Mhz /128 = 144k /192 = *96k
189 */
190
191/*
192 * Normal BOSR 0-256/2 = 128, 1-384/2 = 192
193 * USB BOSR 0-250/2 = 125, 1-272/2 = 136
194 */
195static const int bosr_usb_divisor_table[] = {
196 128, 125, 192, 136
197};
198#define LOWER_GROUP ((1<<0) | (1<<1) | (1<<2) | (1<<3) | (1<<6) | (1<<7))
199#define UPPER_GROUP ((1<<8) | (1<<9) | (1<<10) | (1<<11) | (1<<15))
200static const unsigned short sr_valid_mask[] = {
201 LOWER_GROUP|UPPER_GROUP, /* Normal, bosr - 0*/
Troy Kisky26df91c2008-11-05 18:53:28 +0000202 LOWER_GROUP, /* Usb, bosr - 0*/
Troy Kiskybab02122009-11-17 13:51:01 -0700203 LOWER_GROUP|UPPER_GROUP, /* Normal, bosr - 1*/
Troy Kisky26df91c2008-11-05 18:53:28 +0000204 UPPER_GROUP, /* Usb, bosr - 1*/
205};
206/*
207 * Every divisor is a factor of 11*12
208 */
209#define SR_MULT (11*12)
Troy Kiskyccff4b12009-06-05 19:15:58 -0700210#define A(x) (SR_MULT/x)
Troy Kisky26df91c2008-11-05 18:53:28 +0000211static const unsigned char sr_adc_mult_table[] = {
Troy Kiskyccff4b12009-06-05 19:15:58 -0700212 A(2), A(2), A(12), A(12), 0, 0, A(3), A(1),
213 A(2), A(2), A(11), A(11), 0, 0, 0, A(1)
Troy Kisky26df91c2008-11-05 18:53:28 +0000214};
215static const unsigned char sr_dac_mult_table[] = {
Troy Kiskyccff4b12009-06-05 19:15:58 -0700216 A(2), A(12), A(2), A(12), 0, 0, A(3), A(1),
217 A(2), A(11), A(2), A(11), 0, 0, 0, A(1)
Troy Kisky26df91c2008-11-05 18:53:28 +0000218};
219
220static unsigned get_score(int adc, int adc_l, int adc_h, int need_adc,
221 int dac, int dac_l, int dac_h, int need_dac)
222{
223 if ((adc >= adc_l) && (adc <= adc_h) &&
224 (dac >= dac_l) && (dac <= dac_h)) {
225 int diff_adc = need_adc - adc;
226 int diff_dac = need_dac - dac;
227 return abs(diff_adc) + abs(diff_dac);
228 }
229 return UINT_MAX;
230}
231
232static int find_rate(int mclk, u32 need_adc, u32 need_dac)
233{
234 int i, j;
235 int best_i = -1;
236 int best_j = -1;
237 int best_div = 0;
238 unsigned best_score = UINT_MAX;
239 int adc_l, adc_h, dac_l, dac_h;
240
241 need_adc *= SR_MULT;
242 need_dac *= SR_MULT;
243 /*
244 * rates given are +/- 1/32
245 */
246 adc_l = need_adc - (need_adc >> 5);
247 adc_h = need_adc + (need_adc >> 5);
248 dac_l = need_dac - (need_dac >> 5);
249 dac_h = need_dac + (need_dac >> 5);
Mark Brown8d702f22008-11-17 21:42:01 +0000250 for (i = 0; i < ARRAY_SIZE(bosr_usb_divisor_table); i++) {
Troy Kisky26df91c2008-11-05 18:53:28 +0000251 int base = mclk / bosr_usb_divisor_table[i];
252 int mask = sr_valid_mask[i];
Mark Brown8d702f22008-11-17 21:42:01 +0000253 for (j = 0; j < ARRAY_SIZE(sr_adc_mult_table);
254 j++, mask >>= 1) {
Troy Kisky26df91c2008-11-05 18:53:28 +0000255 int adc;
256 int dac;
257 int score;
258 if ((mask & 1) == 0)
259 continue;
260 adc = base * sr_adc_mult_table[j];
261 dac = base * sr_dac_mult_table[j];
262 score = get_score(adc, adc_l, adc_h, need_adc,
263 dac, dac_l, dac_h, need_dac);
264 if (best_score > score) {
265 best_score = score;
266 best_i = i;
267 best_j = j;
268 best_div = 0;
269 }
270 score = get_score((adc >> 1), adc_l, adc_h, need_adc,
271 (dac >> 1), dac_l, dac_h, need_dac);
272 /* prefer to have a /2 */
273 if ((score != UINT_MAX) && (best_score >= score)) {
274 best_score = score;
275 best_i = i;
276 best_j = j;
277 best_div = 1;
278 }
279 }
280 }
281 return (best_j << 2) | best_i | (best_div << TLV320AIC23_CLKIN_SHIFT);
282}
283
Mark Brown8d702f22008-11-17 21:42:01 +0000284#ifdef DEBUG
Troy Kisky26df91c2008-11-05 18:53:28 +0000285static void get_current_sample_rates(struct snd_soc_codec *codec, int mclk,
286 u32 *sample_rate_adc, u32 *sample_rate_dac)
287{
Axel Linf9dfbf92011-10-13 15:06:43 +0800288 int src = snd_soc_read(codec, TLV320AIC23_SRATE);
Troy Kisky26df91c2008-11-05 18:53:28 +0000289 int sr = (src >> 2) & 0x0f;
290 int val = (mclk / bosr_usb_divisor_table[src & 3]);
291 int adc = (val * sr_adc_mult_table[sr]) / SR_MULT;
292 int dac = (val * sr_dac_mult_table[sr]) / SR_MULT;
293 if (src & TLV320AIC23_CLKIN_HALF) {
294 adc >>= 1;
295 dac >>= 1;
296 }
297 *sample_rate_adc = adc;
298 *sample_rate_dac = dac;
299}
Mark Brown8d702f22008-11-17 21:42:01 +0000300#endif
Troy Kisky26df91c2008-11-05 18:53:28 +0000301
302static int set_sample_rate_control(struct snd_soc_codec *codec, int mclk,
303 u32 sample_rate_adc, u32 sample_rate_dac)
304{
305 /* Search for the right sample rate */
306 int data = find_rate(mclk, sample_rate_adc, sample_rate_dac);
307 if (data < 0) {
308 printk(KERN_ERR "%s:Invalid rate %u,%u requested\n",
309 __func__, sample_rate_adc, sample_rate_dac);
310 return -EINVAL;
311 }
Axel Linf9dfbf92011-10-13 15:06:43 +0800312 snd_soc_write(codec, TLV320AIC23_SRATE, data);
Mark Brown8d702f22008-11-17 21:42:01 +0000313#ifdef DEBUG
314 {
315 u32 adc, dac;
Troy Kisky26df91c2008-11-05 18:53:28 +0000316 get_current_sample_rates(codec, mclk, &adc, &dac);
317 printk(KERN_DEBUG "actual samplerate = %u,%u reg=%x\n",
318 adc, dac, data);
319 }
Mark Brown8d702f22008-11-17 21:42:01 +0000320#endif
Troy Kisky26df91c2008-11-05 18:53:28 +0000321 return 0;
322}
323
Arun KSc1f27192008-10-02 14:45:49 +0530324static int tlv320aic23_hw_params(struct snd_pcm_substream *substream,
Mark Browndee89c42008-11-18 22:11:38 +0000325 struct snd_pcm_hw_params *params,
326 struct snd_soc_dai *dai)
Arun KSc1f27192008-10-02 14:45:49 +0530327{
328 struct snd_soc_pcm_runtime *rtd = substream->private_data;
Liam Girdwoodf0fba2a2010-03-17 20:15:21 +0000329 struct snd_soc_codec *codec = rtd->codec;
Troy Kisky26df91c2008-11-05 18:53:28 +0000330 u16 iface_reg;
331 int ret;
Liam Girdwoodf0fba2a2010-03-17 20:15:21 +0000332 struct aic23 *aic23 = snd_soc_codec_get_drvdata(codec);
Troy Kisky26df91c2008-11-05 18:53:28 +0000333 u32 sample_rate_adc = aic23->requested_adc;
334 u32 sample_rate_dac = aic23->requested_dac;
335 u32 sample_rate = params_rate(params);
336
337 if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK) {
338 aic23->requested_dac = sample_rate_dac = sample_rate;
339 if (!sample_rate_adc)
340 sample_rate_adc = sample_rate;
341 } else {
342 aic23->requested_adc = sample_rate_adc = sample_rate;
343 if (!sample_rate_dac)
344 sample_rate_dac = sample_rate;
345 }
346 ret = set_sample_rate_control(codec, aic23->mclk, sample_rate_adc,
347 sample_rate_dac);
348 if (ret < 0)
349 return ret;
Arun KSc1f27192008-10-02 14:45:49 +0530350
Axel Linf9dfbf92011-10-13 15:06:43 +0800351 iface_reg = snd_soc_read(codec, TLV320AIC23_DIGT_FMT) & ~(0x03 << 2);
352
Arun KSc1f27192008-10-02 14:45:49 +0530353 switch (params_format(params)) {
354 case SNDRV_PCM_FORMAT_S16_LE:
355 break;
356 case SNDRV_PCM_FORMAT_S20_3LE:
357 iface_reg |= (0x01 << 2);
358 break;
359 case SNDRV_PCM_FORMAT_S24_LE:
360 iface_reg |= (0x02 << 2);
361 break;
362 case SNDRV_PCM_FORMAT_S32_LE:
363 iface_reg |= (0x03 << 2);
364 break;
365 }
Axel Linf9dfbf92011-10-13 15:06:43 +0800366 snd_soc_write(codec, TLV320AIC23_DIGT_FMT, iface_reg);
Arun KSc1f27192008-10-02 14:45:49 +0530367
368 return 0;
369}
370
Mark Browndee89c42008-11-18 22:11:38 +0000371static int tlv320aic23_pcm_prepare(struct snd_pcm_substream *substream,
372 struct snd_soc_dai *dai)
Arun KSc1f27192008-10-02 14:45:49 +0530373{
374 struct snd_soc_pcm_runtime *rtd = substream->private_data;
Liam Girdwoodf0fba2a2010-03-17 20:15:21 +0000375 struct snd_soc_codec *codec = rtd->codec;
Arun KSc1f27192008-10-02 14:45:49 +0530376
377 /* set active */
Axel Linf9dfbf92011-10-13 15:06:43 +0800378 snd_soc_write(codec, TLV320AIC23_ACTIVE, 0x0001);
Arun KSc1f27192008-10-02 14:45:49 +0530379
380 return 0;
381}
382
Mark Browndee89c42008-11-18 22:11:38 +0000383static void tlv320aic23_shutdown(struct snd_pcm_substream *substream,
384 struct snd_soc_dai *dai)
Arun KSc1f27192008-10-02 14:45:49 +0530385{
386 struct snd_soc_pcm_runtime *rtd = substream->private_data;
Liam Girdwoodf0fba2a2010-03-17 20:15:21 +0000387 struct snd_soc_codec *codec = rtd->codec;
388 struct aic23 *aic23 = snd_soc_codec_get_drvdata(codec);
Arun KSc1f27192008-10-02 14:45:49 +0530389
390 /* deactivate */
391 if (!codec->active) {
392 udelay(50);
Axel Linf9dfbf92011-10-13 15:06:43 +0800393 snd_soc_write(codec, TLV320AIC23_ACTIVE, 0x0);
Arun KSc1f27192008-10-02 14:45:49 +0530394 }
Troy Kisky26df91c2008-11-05 18:53:28 +0000395 if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK)
396 aic23->requested_dac = 0;
397 else
398 aic23->requested_adc = 0;
Arun KSc1f27192008-10-02 14:45:49 +0530399}
400
401static int tlv320aic23_mute(struct snd_soc_dai *dai, int mute)
402{
403 struct snd_soc_codec *codec = dai->codec;
404 u16 reg;
405
Axel Linf9dfbf92011-10-13 15:06:43 +0800406 reg = snd_soc_read(codec, TLV320AIC23_DIGT);
Arun KSc1f27192008-10-02 14:45:49 +0530407 if (mute)
408 reg |= TLV320AIC23_DACM_MUTE;
409
410 else
411 reg &= ~TLV320AIC23_DACM_MUTE;
412
Axel Linf9dfbf92011-10-13 15:06:43 +0800413 snd_soc_write(codec, TLV320AIC23_DIGT, reg);
Arun KSc1f27192008-10-02 14:45:49 +0530414
415 return 0;
416}
417
418static int tlv320aic23_set_dai_fmt(struct snd_soc_dai *codec_dai,
419 unsigned int fmt)
420{
421 struct snd_soc_codec *codec = codec_dai->codec;
422 u16 iface_reg;
423
Axel Linf9dfbf92011-10-13 15:06:43 +0800424 iface_reg = snd_soc_read(codec, TLV320AIC23_DIGT_FMT) & (~0x03);
Arun KSc1f27192008-10-02 14:45:49 +0530425
426 /* set master/slave audio interface */
427 switch (fmt & SND_SOC_DAIFMT_MASTER_MASK) {
428 case SND_SOC_DAIFMT_CBM_CFM:
429 iface_reg |= TLV320AIC23_MS_MASTER;
430 break;
431 case SND_SOC_DAIFMT_CBS_CFS:
Axel Linb01a3d62011-10-27 16:35:49 +0800432 iface_reg &= ~TLV320AIC23_MS_MASTER;
Arun KSc1f27192008-10-02 14:45:49 +0530433 break;
434 default:
435 return -EINVAL;
436
437 }
438
439 /* interface format */
440 switch (fmt & SND_SOC_DAIFMT_FORMAT_MASK) {
441 case SND_SOC_DAIFMT_I2S:
442 iface_reg |= TLV320AIC23_FOR_I2S;
443 break;
Peter Ujfalusi894bf922009-04-09 12:34:40 +0300444 case SND_SOC_DAIFMT_DSP_A:
445 iface_reg |= TLV320AIC23_LRP_ON;
Jarkko Nikulabd258672008-12-22 10:21:36 +0200446 case SND_SOC_DAIFMT_DSP_B:
Arun KSc1f27192008-10-02 14:45:49 +0530447 iface_reg |= TLV320AIC23_FOR_DSP;
448 break;
449 case SND_SOC_DAIFMT_RIGHT_J:
450 break;
451 case SND_SOC_DAIFMT_LEFT_J:
452 iface_reg |= TLV320AIC23_FOR_LJUST;
453 break;
454 default:
455 return -EINVAL;
456
457 }
458
Axel Linf9dfbf92011-10-13 15:06:43 +0800459 snd_soc_write(codec, TLV320AIC23_DIGT_FMT, iface_reg);
Arun KSc1f27192008-10-02 14:45:49 +0530460
461 return 0;
462}
463
464static int tlv320aic23_set_dai_sysclk(struct snd_soc_dai *codec_dai,
465 int clk_id, unsigned int freq, int dir)
466{
Liam Girdwoodf0fba2a2010-03-17 20:15:21 +0000467 struct aic23 *aic23 = snd_soc_dai_get_drvdata(codec_dai);
Troy Kisky26df91c2008-11-05 18:53:28 +0000468 aic23->mclk = freq;
469 return 0;
Arun KSc1f27192008-10-02 14:45:49 +0530470}
471
472static int tlv320aic23_set_bias_level(struct snd_soc_codec *codec,
473 enum snd_soc_bias_level level)
474{
Eric Bénarde875c1e2012-04-29 17:37:57 +0200475 u16 reg = snd_soc_read(codec, TLV320AIC23_PWR) & 0x17f;
Arun KSc1f27192008-10-02 14:45:49 +0530476
477 switch (level) {
478 case SND_SOC_BIAS_ON:
479 /* vref/mid, osc on, dac unmute */
Eric Bénard3d5a4512010-06-19 19:33:39 +0200480 reg &= ~(TLV320AIC23_DEVICE_PWR_OFF | TLV320AIC23_OSC_OFF | \
481 TLV320AIC23_DAC_OFF);
Axel Linf9dfbf92011-10-13 15:06:43 +0800482 snd_soc_write(codec, TLV320AIC23_PWR, reg);
Arun KSc1f27192008-10-02 14:45:49 +0530483 break;
484 case SND_SOC_BIAS_PREPARE:
485 break;
486 case SND_SOC_BIAS_STANDBY:
487 /* everything off except vref/vmid, */
Axel Linf9dfbf92011-10-13 15:06:43 +0800488 snd_soc_write(codec, TLV320AIC23_PWR,
489 reg | TLV320AIC23_CLK_OFF);
Arun KSc1f27192008-10-02 14:45:49 +0530490 break;
491 case SND_SOC_BIAS_OFF:
492 /* everything off, dac mute, inactive */
Axel Linf9dfbf92011-10-13 15:06:43 +0800493 snd_soc_write(codec, TLV320AIC23_ACTIVE, 0x0);
Eric Bénarde875c1e2012-04-29 17:37:57 +0200494 snd_soc_write(codec, TLV320AIC23_PWR, 0x1ff);
Arun KSc1f27192008-10-02 14:45:49 +0530495 break;
496 }
Liam Girdwoodce6120c2010-11-05 15:53:46 +0200497 codec->dapm.bias_level = level;
Arun KSc1f27192008-10-02 14:45:49 +0530498 return 0;
499}
500
501#define AIC23_RATES SNDRV_PCM_RATE_8000_96000
502#define AIC23_FORMATS (SNDRV_PCM_FMTBIT_S16_LE | SNDRV_PCM_FMTBIT_S20_3LE | \
503 SNDRV_PCM_FMTBIT_S24_3LE | SNDRV_PCM_FMTBIT_S32_LE)
504
Lars-Peter Clausen85e76522011-11-23 11:40:40 +0100505static const struct snd_soc_dai_ops tlv320aic23_dai_ops = {
Eric Miao6335d052009-03-03 09:41:00 +0800506 .prepare = tlv320aic23_pcm_prepare,
507 .hw_params = tlv320aic23_hw_params,
508 .shutdown = tlv320aic23_shutdown,
509 .digital_mute = tlv320aic23_mute,
510 .set_fmt = tlv320aic23_set_dai_fmt,
511 .set_sysclk = tlv320aic23_set_dai_sysclk,
512};
513
Liam Girdwoodf0fba2a2010-03-17 20:15:21 +0000514static struct snd_soc_dai_driver tlv320aic23_dai = {
515 .name = "tlv320aic23-hifi",
Arun KSc1f27192008-10-02 14:45:49 +0530516 .playback = {
517 .stream_name = "Playback",
518 .channels_min = 2,
519 .channels_max = 2,
520 .rates = AIC23_RATES,
521 .formats = AIC23_FORMATS,},
522 .capture = {
523 .stream_name = "Capture",
524 .channels_min = 2,
525 .channels_max = 2,
526 .rates = AIC23_RATES,
527 .formats = AIC23_FORMATS,},
Eric Miao6335d052009-03-03 09:41:00 +0800528 .ops = &tlv320aic23_dai_ops,
Arun KSc1f27192008-10-02 14:45:49 +0530529};
Arun KSc1f27192008-10-02 14:45:49 +0530530
Lars-Peter Clausen84b315e2011-12-02 10:18:28 +0100531static int tlv320aic23_suspend(struct snd_soc_codec *codec)
Arun KSc1f27192008-10-02 14:45:49 +0530532{
Arun KSc1f27192008-10-02 14:45:49 +0530533 tlv320aic23_set_bias_level(codec, SND_SOC_BIAS_OFF);
534
535 return 0;
536}
537
Liam Girdwoodf0fba2a2010-03-17 20:15:21 +0000538static int tlv320aic23_resume(struct snd_soc_codec *codec)
Arun KSc1f27192008-10-02 14:45:49 +0530539{
Axel Linf9dfbf92011-10-13 15:06:43 +0800540 snd_soc_cache_sync(codec);
Arun KSc1f27192008-10-02 14:45:49 +0530541 tlv320aic23_set_bias_level(codec, SND_SOC_BIAS_STANDBY);
Arun KSc1f27192008-10-02 14:45:49 +0530542
543 return 0;
544}
545
Liam Girdwoodf0fba2a2010-03-17 20:15:21 +0000546static int tlv320aic23_probe(struct snd_soc_codec *codec)
Arun KSc1f27192008-10-02 14:45:49 +0530547{
Liam Girdwoodf0fba2a2010-03-17 20:15:21 +0000548 struct aic23 *aic23 = snd_soc_codec_get_drvdata(codec);
Axel Linf9dfbf92011-10-13 15:06:43 +0800549 int ret;
Arun KSc1f27192008-10-02 14:45:49 +0530550
Liam Girdwoodf0fba2a2010-03-17 20:15:21 +0000551 printk(KERN_INFO "AIC23 Audio Codec %s\n", AIC23_VERSION);
Axel Linf9dfbf92011-10-13 15:06:43 +0800552
553 ret = snd_soc_codec_set_cache_io(codec, 7, 9, aic23->control_type);
554 if (ret < 0) {
555 dev_err(codec->dev, "Failed to set cache I/O: %d\n", ret);
556 return ret;
557 }
Arun KSc1f27192008-10-02 14:45:49 +0530558
559 /* Reset codec */
Axel Linf9dfbf92011-10-13 15:06:43 +0800560 snd_soc_write(codec, TLV320AIC23_RESET, 0);
561
562 /* Write the register default value to cache for reserved registers,
563 * so the write to the these registers are suppressed by the cache
564 * restore code when it skips writes of default registers.
565 */
566 snd_soc_cache_write(codec, 0x0A, 0);
567 snd_soc_cache_write(codec, 0x0B, 0);
568 snd_soc_cache_write(codec, 0x0C, 0);
569 snd_soc_cache_write(codec, 0x0D, 0);
570 snd_soc_cache_write(codec, 0x0E, 0);
Arun KSc1f27192008-10-02 14:45:49 +0530571
Arun KSc1f27192008-10-02 14:45:49 +0530572 /* power on device */
573 tlv320aic23_set_bias_level(codec, SND_SOC_BIAS_STANDBY);
574
Axel Linf9dfbf92011-10-13 15:06:43 +0800575 snd_soc_write(codec, TLV320AIC23_DIGT, TLV320AIC23_DEEMP_44K);
Arun KSc1f27192008-10-02 14:45:49 +0530576
577 /* Unmute input */
Axel Linf9dfbf92011-10-13 15:06:43 +0800578 snd_soc_update_bits(codec, TLV320AIC23_LINVOL,
579 TLV320AIC23_LIM_MUTED, TLV320AIC23_LRS_ENABLED);
Arun KSc1f27192008-10-02 14:45:49 +0530580
Axel Linf9dfbf92011-10-13 15:06:43 +0800581 snd_soc_update_bits(codec, TLV320AIC23_RINVOL,
582 TLV320AIC23_LIM_MUTED, TLV320AIC23_LRS_ENABLED);
Arun KSc1f27192008-10-02 14:45:49 +0530583
Axel Linf9dfbf92011-10-13 15:06:43 +0800584 snd_soc_update_bits(codec, TLV320AIC23_ANLG,
585 TLV320AIC23_BYPASS_ON | TLV320AIC23_MICM_MUTED,
586 0);
Arun KSc1f27192008-10-02 14:45:49 +0530587
588 /* Default output volume */
Axel Linf9dfbf92011-10-13 15:06:43 +0800589 snd_soc_write(codec, TLV320AIC23_LCHNVOL,
590 TLV320AIC23_DEFAULT_OUT_VOL & TLV320AIC23_OUT_VOL_MASK);
591 snd_soc_write(codec, TLV320AIC23_RCHNVOL,
592 TLV320AIC23_DEFAULT_OUT_VOL & TLV320AIC23_OUT_VOL_MASK);
Arun KSc1f27192008-10-02 14:45:49 +0530593
Axel Linf9dfbf92011-10-13 15:06:43 +0800594 snd_soc_write(codec, TLV320AIC23_ACTIVE, 0x1);
Arun KSc1f27192008-10-02 14:45:49 +0530595
Liam Girdwood022658b2012-02-03 17:43:09 +0000596 snd_soc_add_codec_controls(codec, tlv320aic23_snd_controls,
Ian Molton3e8e1952009-01-09 00:23:21 +0000597 ARRAY_SIZE(tlv320aic23_snd_controls));
Arun KSc1f27192008-10-02 14:45:49 +0530598
Liam Girdwoodf0fba2a2010-03-17 20:15:21 +0000599 return 0;
Arun KSc1f27192008-10-02 14:45:49 +0530600}
Liam Girdwoodf0fba2a2010-03-17 20:15:21 +0000601
602static int tlv320aic23_remove(struct snd_soc_codec *codec)
603{
604 tlv320aic23_set_bias_level(codec, SND_SOC_BIAS_OFF);
605 return 0;
606}
607
608static struct snd_soc_codec_driver soc_codec_dev_tlv320aic23 = {
609 .reg_cache_size = ARRAY_SIZE(tlv320aic23_reg),
610 .reg_word_size = sizeof(u16),
611 .reg_cache_default = tlv320aic23_reg,
612 .probe = tlv320aic23_probe,
613 .remove = tlv320aic23_remove,
614 .suspend = tlv320aic23_suspend,
615 .resume = tlv320aic23_resume,
Liam Girdwoodf0fba2a2010-03-17 20:15:21 +0000616 .set_bias_level = tlv320aic23_set_bias_level,
Lu Guanquna7dca702011-03-30 21:53:16 +0800617 .dapm_widgets = tlv320aic23_dapm_widgets,
618 .num_dapm_widgets = ARRAY_SIZE(tlv320aic23_dapm_widgets),
619 .dapm_routes = tlv320aic23_intercon,
620 .num_dapm_routes = ARRAY_SIZE(tlv320aic23_intercon),
Liam Girdwoodf0fba2a2010-03-17 20:15:21 +0000621};
Arun KSc1f27192008-10-02 14:45:49 +0530622
623#if defined(CONFIG_I2C) || defined(CONFIG_I2C_MODULE)
624/*
625 * If the i2c layer weren't so broken, we could pass this kind of data
626 * around
627 */
628static int tlv320aic23_codec_probe(struct i2c_client *i2c,
629 const struct i2c_device_id *i2c_id)
630{
Liam Girdwoodf0fba2a2010-03-17 20:15:21 +0000631 struct aic23 *aic23;
Arun KSc1f27192008-10-02 14:45:49 +0530632 int ret;
633
634 if (!i2c_check_functionality(i2c->adapter, I2C_FUNC_SMBUS_BYTE_DATA))
635 return -EINVAL;
636
Axel Lin09983062011-12-29 12:07:30 +0800637 aic23 = devm_kzalloc(&i2c->dev, sizeof(struct aic23), GFP_KERNEL);
Liam Girdwoodf0fba2a2010-03-17 20:15:21 +0000638 if (aic23 == NULL)
639 return -ENOMEM;
Arun KSc1f27192008-10-02 14:45:49 +0530640
Liam Girdwoodf0fba2a2010-03-17 20:15:21 +0000641 i2c_set_clientdata(i2c, aic23);
Liam Girdwoodf0fba2a2010-03-17 20:15:21 +0000642 aic23->control_type = SND_SOC_I2C;
Arun KSc1f27192008-10-02 14:45:49 +0530643
Liam Girdwoodf0fba2a2010-03-17 20:15:21 +0000644 ret = snd_soc_register_codec(&i2c->dev,
645 &soc_codec_dev_tlv320aic23, &tlv320aic23_dai, 1);
Arun KSc1f27192008-10-02 14:45:49 +0530646 return ret;
647}
648static int __exit tlv320aic23_i2c_remove(struct i2c_client *i2c)
649{
Liam Girdwoodf0fba2a2010-03-17 20:15:21 +0000650 snd_soc_unregister_codec(&i2c->dev);
Arun KSc1f27192008-10-02 14:45:49 +0530651 return 0;
652}
653
654static const struct i2c_device_id tlv320aic23_id[] = {
655 {"tlv320aic23", 0},
656 {}
657};
658
659MODULE_DEVICE_TABLE(i2c, tlv320aic23_id);
660
661static struct i2c_driver tlv320aic23_i2c_driver = {
662 .driver = {
Liam Girdwoodf0fba2a2010-03-17 20:15:21 +0000663 .name = "tlv320aic23-codec",
Arun KSc1f27192008-10-02 14:45:49 +0530664 },
665 .probe = tlv320aic23_codec_probe,
666 .remove = __exit_p(tlv320aic23_i2c_remove),
667 .id_table = tlv320aic23_id,
668};
669
670#endif
671
Takashi Iwaic9b3a402008-12-10 07:47:22 +0100672static int __init tlv320aic23_modinit(void)
Mark Brown64089b82008-12-08 19:17:58 +0000673{
Liam Girdwoodf0fba2a2010-03-17 20:15:21 +0000674 int ret;
675#if defined(CONFIG_I2C) || defined(CONFIG_I2C_MODULE)
676 ret = i2c_add_driver(&tlv320aic23_i2c_driver);
677 if (ret != 0) {
678 printk(KERN_ERR "Failed to register TLV320AIC23 I2C driver: %d\n",
679 ret);
680 }
681#endif
682 return ret;
Mark Brown64089b82008-12-08 19:17:58 +0000683}
684module_init(tlv320aic23_modinit);
685
686static void __exit tlv320aic23_exit(void)
687{
Liam Girdwoodf0fba2a2010-03-17 20:15:21 +0000688#if defined(CONFIG_I2C) || defined(CONFIG_I2C_MODULE)
689 i2c_del_driver(&tlv320aic23_i2c_driver);
690#endif
Mark Brown64089b82008-12-08 19:17:58 +0000691}
692module_exit(tlv320aic23_exit);
693
Arun KSc1f27192008-10-02 14:45:49 +0530694MODULE_DESCRIPTION("ASoC TLV320AIC23 codec driver");
695MODULE_AUTHOR("Arun KS <arunks@mistralsolutions.com>");
696MODULE_LICENSE("GPL");