Merge branch 'for-linus-4.7' of git://git.kernel.org/pub/scm/linux/kernel/git/mason...
[deliverable/linux.git] / sound / soc / intel / boards / cht_bsw_rt5645.c
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1/*
2 * cht-bsw-rt5645.c - ASoc Machine driver for Intel Cherryview-based platforms
3 * Cherrytrail and Braswell, with RT5645 codec.
4 *
5 * Copyright (C) 2015 Intel Corp
6 * Author: Fang, Yang A <yang.a.fang@intel.com>
7 * N,Harshapriya <harshapriya.n@intel.com>
8 * This file is modified from cht_bsw_rt5672.c
9 * ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
10 *
11 * This program is free software; you can redistribute it and/or modify
12 * it under the terms of the GNU General Public License as published by
13 * the Free Software Foundation; version 2 of the License.
14 *
15 * This program is distributed in the hope that it will be useful, but
16 * WITHOUT ANY WARRANTY; without even the implied warranty of
17 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
18 * General Public License for more details.
19 *
20 * ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
21 */
22
23#include <linux/module.h>
c4ba51ba 24#include <linux/acpi.h>
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25#include <linux/platform_device.h>
26#include <linux/slab.h>
27#include <sound/pcm.h>
28#include <sound/pcm_params.h>
29#include <sound/soc.h>
30#include <sound/jack.h>
e56c72d5 31#include "../../codecs/rt5645.h"
b97169da 32#include "../atom/sst-atom-controls.h"
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33
34#define CHT_PLAT_CLK_3_HZ 19200000
35#define CHT_CODEC_DAI "rt5645-aif1"
36
c4ba51ba
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37struct cht_acpi_card {
38 char *codec_id;
39 int codec_type;
40 struct snd_soc_card *soc_card;
41};
42
e18acdc0 43struct cht_mc_private {
673c4f89 44 struct snd_soc_jack jack;
c4ba51ba 45 struct cht_acpi_card *acpi_card;
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46};
47
48static inline struct snd_soc_dai *cht_get_codec_dai(struct snd_soc_card *card)
49{
1a497983 50 struct snd_soc_pcm_runtime *rtd;
e18acdc0 51
1a497983 52 list_for_each_entry(rtd, &card->rtd_list, list) {
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53 if (!strncmp(rtd->codec_dai->name, CHT_CODEC_DAI,
54 strlen(CHT_CODEC_DAI)))
55 return rtd->codec_dai;
56 }
57 return NULL;
58}
59
60static int platform_clock_control(struct snd_soc_dapm_widget *w,
61 struct snd_kcontrol *k, int event)
62{
63 struct snd_soc_dapm_context *dapm = w->dapm;
64 struct snd_soc_card *card = dapm->card;
65 struct snd_soc_dai *codec_dai;
66 int ret;
67
68 codec_dai = cht_get_codec_dai(card);
69 if (!codec_dai) {
70 dev_err(card->dev, "Codec dai not found; Unable to set platform clock\n");
71 return -EIO;
72 }
73
74 if (!SND_SOC_DAPM_EVENT_OFF(event))
75 return 0;
76
77 /* Set codec sysclk source to its internal clock because codec PLL will
78 * be off when idle and MCLK will also be off by ACPI when codec is
79 * runtime suspended. Codec needs clock for jack detection and button
80 * press.
81 */
82 ret = snd_soc_dai_set_sysclk(codec_dai, RT5645_SCLK_S_RCCLK,
83 0, SND_SOC_CLOCK_IN);
84 if (ret < 0) {
85 dev_err(card->dev, "can't set codec sysclk: %d\n", ret);
86 return ret;
87 }
88
89 return 0;
90}
91
92static const struct snd_soc_dapm_widget cht_dapm_widgets[] = {
93 SND_SOC_DAPM_HP("Headphone", NULL),
94 SND_SOC_DAPM_MIC("Headset Mic", NULL),
95 SND_SOC_DAPM_MIC("Int Mic", NULL),
96 SND_SOC_DAPM_SPK("Ext Spk", NULL),
97 SND_SOC_DAPM_SUPPLY("Platform Clock", SND_SOC_NOPM, 0, 0,
98 platform_clock_control, SND_SOC_DAPM_POST_PMD),
99};
100
c4ba51ba 101static const struct snd_soc_dapm_route cht_rt5645_audio_map[] = {
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102 {"IN1P", NULL, "Headset Mic"},
103 {"IN1N", NULL, "Headset Mic"},
104 {"DMIC L1", NULL, "Int Mic"},
105 {"DMIC R1", NULL, "Int Mic"},
106 {"Headphone", NULL, "HPOL"},
107 {"Headphone", NULL, "HPOR"},
108 {"Ext Spk", NULL, "SPOL"},
109 {"Ext Spk", NULL, "SPOR"},
110 {"AIF1 Playback", NULL, "ssp2 Tx"},
111 {"ssp2 Tx", NULL, "codec_out0"},
112 {"ssp2 Tx", NULL, "codec_out1"},
113 {"codec_in0", NULL, "ssp2 Rx" },
114 {"codec_in1", NULL, "ssp2 Rx" },
115 {"ssp2 Rx", NULL, "AIF1 Capture"},
116 {"Headphone", NULL, "Platform Clock"},
117 {"Headset Mic", NULL, "Platform Clock"},
118 {"Int Mic", NULL, "Platform Clock"},
119 {"Ext Spk", NULL, "Platform Clock"},
120};
121
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122static const struct snd_soc_dapm_route cht_rt5650_audio_map[] = {
123 {"IN1P", NULL, "Headset Mic"},
124 {"IN1N", NULL, "Headset Mic"},
125 {"DMIC L2", NULL, "Int Mic"},
126 {"DMIC R2", NULL, "Int Mic"},
127 {"Headphone", NULL, "HPOL"},
128 {"Headphone", NULL, "HPOR"},
129 {"Ext Spk", NULL, "SPOL"},
130 {"Ext Spk", NULL, "SPOR"},
131 {"AIF1 Playback", NULL, "ssp2 Tx"},
132 {"ssp2 Tx", NULL, "codec_out0"},
133 {"ssp2 Tx", NULL, "codec_out1"},
134 {"codec_in0", NULL, "ssp2 Rx" },
135 {"codec_in1", NULL, "ssp2 Rx" },
136 {"ssp2 Rx", NULL, "AIF1 Capture"},
137 {"Headphone", NULL, "Platform Clock"},
138 {"Headset Mic", NULL, "Platform Clock"},
139 {"Int Mic", NULL, "Platform Clock"},
140 {"Ext Spk", NULL, "Platform Clock"},
141};
142
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143static const struct snd_kcontrol_new cht_mc_controls[] = {
144 SOC_DAPM_PIN_SWITCH("Headphone"),
145 SOC_DAPM_PIN_SWITCH("Headset Mic"),
146 SOC_DAPM_PIN_SWITCH("Int Mic"),
147 SOC_DAPM_PIN_SWITCH("Ext Spk"),
148};
149
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150static struct snd_soc_jack_pin cht_bsw_jack_pins[] = {
151 {
152 .pin = "Headphone",
153 .mask = SND_JACK_HEADPHONE,
154 },
155 {
156 .pin = "Headset Mic",
157 .mask = SND_JACK_MICROPHONE,
158 },
159};
160
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161static int cht_aif1_hw_params(struct snd_pcm_substream *substream,
162 struct snd_pcm_hw_params *params)
163{
164 struct snd_soc_pcm_runtime *rtd = substream->private_data;
165 struct snd_soc_dai *codec_dai = rtd->codec_dai;
166 int ret;
167
168 /* set codec PLL source to the 19.2MHz platform clock (MCLK) */
169 ret = snd_soc_dai_set_pll(codec_dai, 0, RT5645_PLL1_S_MCLK,
170 CHT_PLAT_CLK_3_HZ, params_rate(params) * 512);
171 if (ret < 0) {
172 dev_err(rtd->dev, "can't set codec pll: %d\n", ret);
173 return ret;
174 }
175
176 ret = snd_soc_dai_set_sysclk(codec_dai, RT5645_SCLK_S_PLL1,
177 params_rate(params) * 512, SND_SOC_CLOCK_IN);
178 if (ret < 0) {
179 dev_err(rtd->dev, "can't set codec sysclk: %d\n", ret);
180 return ret;
181 }
182
183 return 0;
184}
185
186static int cht_codec_init(struct snd_soc_pcm_runtime *runtime)
187{
188 int ret;
673c4f89 189 int jack_type;
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190 struct snd_soc_codec *codec = runtime->codec;
191 struct snd_soc_dai *codec_dai = runtime->codec_dai;
192 struct cht_mc_private *ctx = snd_soc_card_get_drvdata(runtime->card);
193
194 /* Select clk_i2s1_asrc as ASRC clock source */
195 rt5645_sel_asrc_clk_src(codec,
196 RT5645_DA_STEREO_FILTER |
197 RT5645_DA_MONO_L_FILTER |
198 RT5645_DA_MONO_R_FILTER |
199 RT5645_AD_STEREO_FILTER,
200 RT5645_CLK_SEL_I2S1_ASRC);
201
202 /* TDM 4 slots 24 bit, set Rx & Tx bitmask to 4 active slots */
203 ret = snd_soc_dai_set_tdm_slot(codec_dai, 0xF, 0xF, 4, 24);
204 if (ret < 0) {
205 dev_err(runtime->dev, "can't set codec TDM slot %d\n", ret);
206 return ret;
207 }
208
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209 if (ctx->acpi_card->codec_type == CODEC_TYPE_RT5650)
210 jack_type = SND_JACK_HEADPHONE | SND_JACK_MICROPHONE |
211 SND_JACK_BTN_0 | SND_JACK_BTN_1 |
212 SND_JACK_BTN_2 | SND_JACK_BTN_3;
213 else
214 jack_type = SND_JACK_HEADPHONE | SND_JACK_MICROPHONE;
e18acdc0 215
2303b32f 216 ret = snd_soc_card_jack_new(runtime->card, "Headset",
673c4f89 217 jack_type, &ctx->jack,
2303b32f 218 cht_bsw_jack_pins, ARRAY_SIZE(cht_bsw_jack_pins));
e18acdc0 219 if (ret) {
673c4f89 220 dev_err(runtime->dev, "Headset jack creation failed %d\n", ret);
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221 return ret;
222 }
223
673c4f89 224 rt5645_set_jack_detect(codec, &ctx->jack, &ctx->jack, &ctx->jack);
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225
226 return ret;
227}
228
229static int cht_codec_fixup(struct snd_soc_pcm_runtime *rtd,
230 struct snd_pcm_hw_params *params)
231{
232 struct snd_interval *rate = hw_param_interval(params,
233 SNDRV_PCM_HW_PARAM_RATE);
234 struct snd_interval *channels = hw_param_interval(params,
235 SNDRV_PCM_HW_PARAM_CHANNELS);
236
237 /* The DSP will covert the FE rate to 48k, stereo, 24bits */
238 rate->min = rate->max = 48000;
239 channels->min = channels->max = 2;
240
241 /* set SSP2 to 24-bit */
369a9f5f 242 params_set_format(params, SNDRV_PCM_FORMAT_S24_LE);
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243 return 0;
244}
245
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246static int cht_aif1_startup(struct snd_pcm_substream *substream)
247{
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248 return snd_pcm_hw_constraint_single(substream->runtime,
249 SNDRV_PCM_HW_PARAM_RATE, 48000);
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250}
251
252static struct snd_soc_ops cht_aif1_ops = {
253 .startup = cht_aif1_startup,
254};
255
256static struct snd_soc_ops cht_be_ssp2_ops = {
257 .hw_params = cht_aif1_hw_params,
258};
259
260static struct snd_soc_dai_link cht_dailink[] = {
261 [MERR_DPCM_AUDIO] = {
262 .name = "Audio Port",
263 .stream_name = "Audio",
264 .cpu_dai_name = "media-cpu-dai",
265 .codec_dai_name = "snd-soc-dummy-dai",
266 .codec_name = "snd-soc-dummy",
267 .platform_name = "sst-mfld-platform",
c4ba51ba 268 .nonatomic = true,
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269 .dynamic = 1,
270 .dpcm_playback = 1,
271 .dpcm_capture = 1,
272 .ops = &cht_aif1_ops,
273 },
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274 [MERR_DPCM_DEEP_BUFFER] = {
275 .name = "Deep-Buffer Audio Port",
276 .stream_name = "Deep-Buffer Audio",
277 .cpu_dai_name = "deepbuffer-cpu-dai",
278 .codec_dai_name = "snd-soc-dummy-dai",
279 .codec_name = "snd-soc-dummy",
280 .platform_name = "sst-mfld-platform",
281 .nonatomic = true,
282 .dynamic = 1,
283 .dpcm_playback = 1,
284 .ops = &cht_aif1_ops,
285 },
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286 [MERR_DPCM_COMPR] = {
287 .name = "Compressed Port",
288 .stream_name = "Compress",
289 .cpu_dai_name = "compress-cpu-dai",
290 .codec_dai_name = "snd-soc-dummy-dai",
291 .codec_name = "snd-soc-dummy",
292 .platform_name = "sst-mfld-platform",
293 },
294 /* CODEC<->CODEC link */
295 /* back ends */
296 {
297 .name = "SSP2-Codec",
2f0ad491 298 .id = 1,
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299 .cpu_dai_name = "ssp2-port",
300 .platform_name = "sst-mfld-platform",
301 .no_pcm = 1,
302 .codec_dai_name = "rt5645-aif1",
303 .codec_name = "i2c-10EC5645:00",
304 .dai_fmt = SND_SOC_DAIFMT_DSP_B | SND_SOC_DAIFMT_IB_NF
305 | SND_SOC_DAIFMT_CBS_CFS,
306 .init = cht_codec_init,
307 .be_hw_params_fixup = cht_codec_fixup,
c4ba51ba 308 .nonatomic = true,
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309 .dpcm_playback = 1,
310 .dpcm_capture = 1,
311 .ops = &cht_be_ssp2_ops,
312 },
313};
314
315/* SoC card */
c4ba51ba 316static struct snd_soc_card snd_soc_card_chtrt5645 = {
e18acdc0 317 .name = "chtrt5645",
54d8697f 318 .owner = THIS_MODULE,
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319 .dai_link = cht_dailink,
320 .num_links = ARRAY_SIZE(cht_dailink),
321 .dapm_widgets = cht_dapm_widgets,
322 .num_dapm_widgets = ARRAY_SIZE(cht_dapm_widgets),
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323 .dapm_routes = cht_rt5645_audio_map,
324 .num_dapm_routes = ARRAY_SIZE(cht_rt5645_audio_map),
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325 .controls = cht_mc_controls,
326 .num_controls = ARRAY_SIZE(cht_mc_controls),
327};
328
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329static struct snd_soc_card snd_soc_card_chtrt5650 = {
330 .name = "chtrt5650",
54d8697f 331 .owner = THIS_MODULE,
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332 .dai_link = cht_dailink,
333 .num_links = ARRAY_SIZE(cht_dailink),
334 .dapm_widgets = cht_dapm_widgets,
335 .num_dapm_widgets = ARRAY_SIZE(cht_dapm_widgets),
336 .dapm_routes = cht_rt5650_audio_map,
337 .num_dapm_routes = ARRAY_SIZE(cht_rt5650_audio_map),
338 .controls = cht_mc_controls,
339 .num_controls = ARRAY_SIZE(cht_mc_controls),
340};
341
342static struct cht_acpi_card snd_soc_cards[] = {
343 {"10EC5645", CODEC_TYPE_RT5645, &snd_soc_card_chtrt5645},
344 {"10EC5650", CODEC_TYPE_RT5650, &snd_soc_card_chtrt5650},
345};
346
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347static int snd_cht_mc_probe(struct platform_device *pdev)
348{
349 int ret_val = 0;
c4ba51ba 350 int i;
e18acdc0 351 struct cht_mc_private *drv;
c4ba51ba 352 struct snd_soc_card *card = snd_soc_cards[0].soc_card;
c4ba51ba 353 char codec_name[16];
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354
355 drv = devm_kzalloc(&pdev->dev, sizeof(*drv), GFP_ATOMIC);
356 if (!drv)
357 return -ENOMEM;
358
c4ba51ba 359 for (i = 0; i < ARRAY_SIZE(snd_soc_cards); i++) {
c68ae33e 360 if (acpi_dev_found(snd_soc_cards[i].codec_id)) {
c4ba51ba
FY
361 dev_dbg(&pdev->dev,
362 "found codec %s\n", snd_soc_cards[i].codec_id);
363 card = snd_soc_cards[i].soc_card;
364 drv->acpi_card = &snd_soc_cards[i];
365 break;
366 }
367 }
368 card->dev = &pdev->dev;
369 sprintf(codec_name, "i2c-%s:00", drv->acpi_card->codec_id);
c8560b7c 370
c4ba51ba 371 /* set correct codec name */
c8560b7c
CC
372 for (i = 0; i < ARRAY_SIZE(cht_dailink); i++)
373 if (!strcmp(card->dai_link[i].codec_name, "i2c-10EC5645:00"))
374 card->dai_link[i].codec_name = kstrdup(codec_name, GFP_KERNEL);
375
c4ba51ba
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376 snd_soc_card_set_drvdata(card, drv);
377 ret_val = devm_snd_soc_register_card(&pdev->dev, card);
e18acdc0
FY
378 if (ret_val) {
379 dev_err(&pdev->dev,
380 "snd_soc_register_card failed %d\n", ret_val);
381 return ret_val;
382 }
c4ba51ba 383 platform_set_drvdata(pdev, card);
e18acdc0
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384 return ret_val;
385}
386
387static struct platform_driver snd_cht_mc_driver = {
388 .driver = {
e18acdc0 389 .name = "cht-bsw-rt5645",
e18acdc0
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390 },
391 .probe = snd_cht_mc_probe,
392};
393
394module_platform_driver(snd_cht_mc_driver)
395
396MODULE_DESCRIPTION("ASoC Intel(R) Braswell Machine driver");
397MODULE_AUTHOR("Fang, Yang A,N,Harshapriya");
398MODULE_LICENSE("GPL v2");
399MODULE_ALIAS("platform:cht-bsw-rt5645");
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