Merge branch 'fix/rt5645' of git://git.kernel.org/pub/scm/linux/kernel/git/broonie...
[deliverable/linux.git] / sound / soc / intel / boards / cht_bsw_max98090_ti.c
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1/*
2 * cht-bsw-max98090.c - ASoc Machine driver for Intel Cherryview-based
3 * platforms Cherrytrail and Braswell, with max98090 & TI codec.
4 *
5 * Copyright (C) 2015 Intel Corp
6 * Author: Fang, Yang A <yang.a.fang@intel.com>
7 * This file is modified from cht_bsw_rt5645.c
8 * ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
9 *
10 * This program is free software; you can redistribute it and/or modify
11 * it under the terms of the GNU General Public License as published by
12 * the Free Software Foundation; version 2 of the License.
13 *
14 * This program is distributed in the hope that it will be useful, but
15 * WITHOUT ANY WARRANTY; without even the implied warranty of
16 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
17 * General Public License for more details.
18 *
19 * ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
20 */
21
22#include <linux/module.h>
23#include <linux/platform_device.h>
24#include <linux/slab.h>
25#include <linux/acpi.h>
26#include <sound/pcm.h>
27#include <sound/pcm_params.h>
28#include <sound/soc.h>
29#include <sound/jack.h>
30#include "../../codecs/max98090.h"
31#include "../atom/sst-atom-controls.h"
32#include "../../codecs/ts3a227e.h"
33
34#define CHT_PLAT_CLK_3_HZ 19200000
35#define CHT_CODEC_DAI "HiFi"
36
37struct cht_mc_private {
38 struct snd_soc_jack jack;
39 bool ts3a227e_present;
40};
41
42static inline struct snd_soc_dai *cht_get_codec_dai(struct snd_soc_card *card)
43{
44 int i;
45
46 for (i = 0; i < card->num_rtd; i++) {
47 struct snd_soc_pcm_runtime *rtd;
48
49 rtd = card->rtd + i;
50 if (!strncmp(rtd->codec_dai->name, CHT_CODEC_DAI,
51 strlen(CHT_CODEC_DAI)))
52 return rtd->codec_dai;
53 }
54 return NULL;
55}
56
57static const struct snd_soc_dapm_widget cht_dapm_widgets[] = {
58 SND_SOC_DAPM_HP("Headphone", NULL),
59 SND_SOC_DAPM_MIC("Headset Mic", NULL),
60 SND_SOC_DAPM_MIC("Int Mic", NULL),
61 SND_SOC_DAPM_SPK("Ext Spk", NULL),
62};
63
64static const struct snd_soc_dapm_route cht_audio_map[] = {
65 {"IN34", NULL, "Headset Mic"},
66 {"Headset Mic", NULL, "MICBIAS"},
67 {"DMICL", NULL, "Int Mic"},
68 {"Headphone", NULL, "HPL"},
69 {"Headphone", NULL, "HPR"},
70 {"Ext Spk", NULL, "SPKL"},
71 {"Ext Spk", NULL, "SPKR"},
8bc76c8b 72 {"HiFi Playback", NULL, "ssp2 Tx"},
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73 {"ssp2 Tx", NULL, "codec_out0"},
74 {"ssp2 Tx", NULL, "codec_out1"},
75 {"codec_in0", NULL, "ssp2 Rx" },
76 {"codec_in1", NULL, "ssp2 Rx" },
8bc76c8b 77 {"ssp2 Rx", NULL, "HiFi Capture"},
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78};
79
80static const struct snd_kcontrol_new cht_mc_controls[] = {
81 SOC_DAPM_PIN_SWITCH("Headphone"),
82 SOC_DAPM_PIN_SWITCH("Headset Mic"),
83 SOC_DAPM_PIN_SWITCH("Int Mic"),
84 SOC_DAPM_PIN_SWITCH("Ext Spk"),
85};
86
87static int cht_aif1_hw_params(struct snd_pcm_substream *substream,
88 struct snd_pcm_hw_params *params)
89{
90 struct snd_soc_pcm_runtime *rtd = substream->private_data;
91 struct snd_soc_dai *codec_dai = rtd->codec_dai;
92 int ret;
93
94 ret = snd_soc_dai_set_sysclk(codec_dai, M98090_REG_SYSTEM_CLOCK,
95 CHT_PLAT_CLK_3_HZ, SND_SOC_CLOCK_IN);
96 if (ret < 0) {
97 dev_err(rtd->dev, "can't set codec sysclk: %d\n", ret);
98 return ret;
99 }
100
101 return 0;
102}
103
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104static int cht_ti_jack_event(struct notifier_block *nb,
105 unsigned long event, void *data)
106{
e8ed6702 107 struct snd_soc_jack *jack = (struct snd_soc_jack *)data;
c68c2be5 108 struct snd_soc_dapm_context *dapm = &jack->card->dapm;
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109
110 if (event & SND_JACK_MICROPHONE) {
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111 snd_soc_dapm_force_enable_pin(dapm, "SHDN");
112 snd_soc_dapm_force_enable_pin(dapm, "MICBIAS");
113 snd_soc_dapm_sync(dapm);
e8ed6702 114 } else {
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115 snd_soc_dapm_disable_pin(dapm, "MICBIAS");
116 snd_soc_dapm_disable_pin(dapm, "SHDN");
117 snd_soc_dapm_sync(dapm);
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118 }
119
120 return 0;
121}
122
123static struct notifier_block cht_jack_nb = {
124 .notifier_call = cht_ti_jack_event,
125};
126
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127static int cht_codec_init(struct snd_soc_pcm_runtime *runtime)
128{
129 int ret;
130 int jack_type;
131 struct cht_mc_private *ctx = snd_soc_card_get_drvdata(runtime->card);
132 struct snd_soc_jack *jack = &ctx->jack;
133
134 /**
135 * TI supports 4 butons headset detection
136 * KEY_MEDIA
137 * KEY_VOICECOMMAND
138 * KEY_VOLUMEUP
139 * KEY_VOLUMEDOWN
140 */
141 if (ctx->ts3a227e_present)
142 jack_type = SND_JACK_HEADPHONE | SND_JACK_MICROPHONE |
143 SND_JACK_BTN_0 | SND_JACK_BTN_1 |
144 SND_JACK_BTN_2 | SND_JACK_BTN_3;
145 else
146 jack_type = SND_JACK_HEADPHONE | SND_JACK_MICROPHONE;
147
148 ret = snd_soc_card_jack_new(runtime->card, "Headset Jack",
149 jack_type, jack, NULL, 0);
150
151 if (ret) {
152 dev_err(runtime->dev, "Headset Jack creation failed %d\n", ret);
153 return ret;
154 }
155
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156 if (ctx->ts3a227e_present)
157 snd_soc_jack_notifier_register(jack, &cht_jack_nb);
158
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159 return ret;
160}
161
162static int cht_codec_fixup(struct snd_soc_pcm_runtime *rtd,
163 struct snd_pcm_hw_params *params)
164{
165 struct snd_interval *rate = hw_param_interval(params,
166 SNDRV_PCM_HW_PARAM_RATE);
167 struct snd_interval *channels = hw_param_interval(params,
168 SNDRV_PCM_HW_PARAM_CHANNELS);
169 int ret = 0;
170 unsigned int fmt = 0;
171
172 ret = snd_soc_dai_set_tdm_slot(rtd->cpu_dai, 0x3, 0x3, 2, 16);
173 if (ret < 0) {
174 dev_err(rtd->dev, "can't set cpu_dai slot fmt: %d\n", ret);
175 return ret;
176 }
177
178 fmt = SND_SOC_DAIFMT_LEFT_J | SND_SOC_DAIFMT_NB_NF
179 | SND_SOC_DAIFMT_CBS_CFS;
180
181 ret = snd_soc_dai_set_fmt(rtd->cpu_dai, fmt);
182 if (ret < 0) {
183 dev_err(rtd->dev, "can't set cpu_dai set fmt: %d\n", ret);
184 return ret;
185 }
186
187 /* The DSP will covert the FE rate to 48k, stereo, 24bits */
188 rate->min = rate->max = 48000;
189 channels->min = channels->max = 2;
190
191 /* set SSP2 to 24-bit */
26f63c69 192 params_set_format(params, SNDRV_PCM_FORMAT_S24_LE);
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193 return 0;
194}
195
196static unsigned int rates_48000[] = {
197 48000,
198};
199
200static struct snd_pcm_hw_constraint_list constraints_48000 = {
201 .count = ARRAY_SIZE(rates_48000),
202 .list = rates_48000,
203};
204
205static int cht_aif1_startup(struct snd_pcm_substream *substream)
206{
207 return snd_pcm_hw_constraint_list(substream->runtime, 0,
208 SNDRV_PCM_HW_PARAM_RATE,
209 &constraints_48000);
210}
211
212static int cht_max98090_headset_init(struct snd_soc_component *component)
213{
214 struct snd_soc_card *card = component->card;
215 struct cht_mc_private *ctx = snd_soc_card_get_drvdata(card);
216
217 return ts3a227e_enable_jack_detect(component, &ctx->jack);
218}
219
220static struct snd_soc_ops cht_aif1_ops = {
221 .startup = cht_aif1_startup,
222};
223
224static struct snd_soc_ops cht_be_ssp2_ops = {
225 .hw_params = cht_aif1_hw_params,
226};
227
228static struct snd_soc_aux_dev cht_max98090_headset_dev = {
229 .name = "Headset Chip",
230 .init = cht_max98090_headset_init,
231 .codec_name = "i2c-104C227E:00",
232};
233
234static struct snd_soc_dai_link cht_dailink[] = {
235 [MERR_DPCM_AUDIO] = {
236 .name = "Audio Port",
237 .stream_name = "Audio",
238 .cpu_dai_name = "media-cpu-dai",
239 .codec_dai_name = "snd-soc-dummy-dai",
240 .codec_name = "snd-soc-dummy",
241 .platform_name = "sst-mfld-platform",
242 .nonatomic = true,
243 .dynamic = 1,
244 .dpcm_playback = 1,
245 .dpcm_capture = 1,
246 .ops = &cht_aif1_ops,
247 },
248 [MERR_DPCM_COMPR] = {
249 .name = "Compressed Port",
250 .stream_name = "Compress",
251 .cpu_dai_name = "compress-cpu-dai",
252 .codec_dai_name = "snd-soc-dummy-dai",
253 .codec_name = "snd-soc-dummy",
254 .platform_name = "sst-mfld-platform",
255 },
256 /* back ends */
257 {
258 .name = "SSP2-Codec",
259 .be_id = 1,
260 .cpu_dai_name = "ssp2-port",
261 .platform_name = "sst-mfld-platform",
262 .no_pcm = 1,
263 .codec_dai_name = "HiFi",
264 .codec_name = "i2c-193C9890:00",
265 .dai_fmt = SND_SOC_DAIFMT_I2S | SND_SOC_DAIFMT_NB_NF
266 | SND_SOC_DAIFMT_CBS_CFS,
267 .init = cht_codec_init,
268 .be_hw_params_fixup = cht_codec_fixup,
269 .dpcm_playback = 1,
270 .dpcm_capture = 1,
271 .ops = &cht_be_ssp2_ops,
272 },
273};
274
275/* SoC card */
276static struct snd_soc_card snd_soc_card_cht = {
277 .name = "chtmax98090",
54d8697f 278 .owner = THIS_MODULE,
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279 .dai_link = cht_dailink,
280 .num_links = ARRAY_SIZE(cht_dailink),
281 .aux_dev = &cht_max98090_headset_dev,
282 .num_aux_devs = 1,
283 .dapm_widgets = cht_dapm_widgets,
284 .num_dapm_widgets = ARRAY_SIZE(cht_dapm_widgets),
285 .dapm_routes = cht_audio_map,
286 .num_dapm_routes = ARRAY_SIZE(cht_audio_map),
287 .controls = cht_mc_controls,
288 .num_controls = ARRAY_SIZE(cht_mc_controls),
289};
290
291static acpi_status snd_acpi_codec_match(acpi_handle handle, u32 level,
292 void *context, void **ret)
293{
294 *(bool *)context = true;
295 return AE_OK;
296}
297
298static int snd_cht_mc_probe(struct platform_device *pdev)
299{
300 int ret_val = 0;
301 bool found = false;
302 struct cht_mc_private *drv;
303
304 drv = devm_kzalloc(&pdev->dev, sizeof(*drv), GFP_ATOMIC);
305 if (!drv)
306 return -ENOMEM;
307
308 if (ACPI_SUCCESS(acpi_get_devices(
309 "104C227E",
310 snd_acpi_codec_match,
311 &found, NULL)) && found) {
312 drv->ts3a227e_present = true;
313 } else {
314 /* no need probe TI jack detection chip */
315 snd_soc_card_cht.aux_dev = NULL;
316 snd_soc_card_cht.num_aux_devs = 0;
317 drv->ts3a227e_present = false;
318 }
319
320 /* register the soc card */
321 snd_soc_card_cht.dev = &pdev->dev;
322 snd_soc_card_set_drvdata(&snd_soc_card_cht, drv);
323 ret_val = devm_snd_soc_register_card(&pdev->dev, &snd_soc_card_cht);
324 if (ret_val) {
325 dev_err(&pdev->dev,
326 "snd_soc_register_card failed %d\n", ret_val);
327 return ret_val;
328 }
329 platform_set_drvdata(pdev, &snd_soc_card_cht);
330 return ret_val;
331}
332
333static struct platform_driver snd_cht_mc_driver = {
334 .driver = {
335 .name = "cht-bsw-max98090",
336 },
337 .probe = snd_cht_mc_probe,
338};
339
340module_platform_driver(snd_cht_mc_driver)
341
342MODULE_DESCRIPTION("ASoC Intel(R) Braswell Machine driver");
343MODULE_AUTHOR("Fang, Yang A <yang.a.fang@intel.com>");
344MODULE_LICENSE("GPL v2");
345MODULE_ALIAS("platform:cht-bsw-max98090");
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