Merge tag 'chrome-platform-4.4' of git://git.kernel.org/pub/scm/linux/kernel/git...
[deliverable/linux.git] / sound / soc / intel / boards / cht_bsw_max98090_ti.c
CommitLineData
17119a46
FY
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"},
17119a46
FY
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"},
17119a46
FY
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
e8ed6702
FY
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;
e8ed6702
FY
109
110 if (event & SND_JACK_MICROPHONE) {
c68c2be5
LPC
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 {
c68c2be5
LPC
115 snd_soc_dapm_disable_pin(dapm, "MICBIAS");
116 snd_soc_dapm_disable_pin(dapm, "SHDN");
117 snd_soc_dapm_sync(dapm);
e8ed6702
FY
118 }
119
120 return 0;
121}
122
123static struct notifier_block cht_jack_nb = {
124 .notifier_call = cht_ti_jack_event,
125};
126
17119a46
FY
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
e8ed6702
FY
156 if (ctx->ts3a227e_present)
157 snd_soc_jack_notifier_register(jack, &cht_jack_nb);
158
17119a46
FY
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);
17119a46
FY
193 return 0;
194}
195
17119a46
FY
196static int cht_aif1_startup(struct snd_pcm_substream *substream)
197{
a6553a24
LPC
198 return snd_pcm_hw_constraint_single(substream->runtime,
199 SNDRV_PCM_HW_PARAM_RATE, 48000);
17119a46
FY
200}
201
202static int cht_max98090_headset_init(struct snd_soc_component *component)
203{
204 struct snd_soc_card *card = component->card;
205 struct cht_mc_private *ctx = snd_soc_card_get_drvdata(card);
206
207 return ts3a227e_enable_jack_detect(component, &ctx->jack);
208}
209
210static struct snd_soc_ops cht_aif1_ops = {
211 .startup = cht_aif1_startup,
212};
213
214static struct snd_soc_ops cht_be_ssp2_ops = {
215 .hw_params = cht_aif1_hw_params,
216};
217
218static struct snd_soc_aux_dev cht_max98090_headset_dev = {
219 .name = "Headset Chip",
220 .init = cht_max98090_headset_init,
221 .codec_name = "i2c-104C227E:00",
222};
223
224static struct snd_soc_dai_link cht_dailink[] = {
225 [MERR_DPCM_AUDIO] = {
226 .name = "Audio Port",
227 .stream_name = "Audio",
228 .cpu_dai_name = "media-cpu-dai",
229 .codec_dai_name = "snd-soc-dummy-dai",
230 .codec_name = "snd-soc-dummy",
231 .platform_name = "sst-mfld-platform",
232 .nonatomic = true,
233 .dynamic = 1,
234 .dpcm_playback = 1,
235 .dpcm_capture = 1,
236 .ops = &cht_aif1_ops,
237 },
238 [MERR_DPCM_COMPR] = {
239 .name = "Compressed Port",
240 .stream_name = "Compress",
241 .cpu_dai_name = "compress-cpu-dai",
242 .codec_dai_name = "snd-soc-dummy-dai",
243 .codec_name = "snd-soc-dummy",
244 .platform_name = "sst-mfld-platform",
245 },
246 /* back ends */
247 {
248 .name = "SSP2-Codec",
249 .be_id = 1,
250 .cpu_dai_name = "ssp2-port",
251 .platform_name = "sst-mfld-platform",
252 .no_pcm = 1,
253 .codec_dai_name = "HiFi",
254 .codec_name = "i2c-193C9890:00",
255 .dai_fmt = SND_SOC_DAIFMT_I2S | SND_SOC_DAIFMT_NB_NF
256 | SND_SOC_DAIFMT_CBS_CFS,
257 .init = cht_codec_init,
258 .be_hw_params_fixup = cht_codec_fixup,
259 .dpcm_playback = 1,
260 .dpcm_capture = 1,
261 .ops = &cht_be_ssp2_ops,
262 },
263};
264
265/* SoC card */
266static struct snd_soc_card snd_soc_card_cht = {
267 .name = "chtmax98090",
54d8697f 268 .owner = THIS_MODULE,
17119a46
FY
269 .dai_link = cht_dailink,
270 .num_links = ARRAY_SIZE(cht_dailink),
271 .aux_dev = &cht_max98090_headset_dev,
272 .num_aux_devs = 1,
273 .dapm_widgets = cht_dapm_widgets,
274 .num_dapm_widgets = ARRAY_SIZE(cht_dapm_widgets),
275 .dapm_routes = cht_audio_map,
276 .num_dapm_routes = ARRAY_SIZE(cht_audio_map),
277 .controls = cht_mc_controls,
278 .num_controls = ARRAY_SIZE(cht_mc_controls),
279};
280
281static acpi_status snd_acpi_codec_match(acpi_handle handle, u32 level,
282 void *context, void **ret)
283{
284 *(bool *)context = true;
285 return AE_OK;
286}
287
288static int snd_cht_mc_probe(struct platform_device *pdev)
289{
290 int ret_val = 0;
291 bool found = false;
292 struct cht_mc_private *drv;
293
294 drv = devm_kzalloc(&pdev->dev, sizeof(*drv), GFP_ATOMIC);
295 if (!drv)
296 return -ENOMEM;
297
298 if (ACPI_SUCCESS(acpi_get_devices(
299 "104C227E",
300 snd_acpi_codec_match,
301 &found, NULL)) && found) {
302 drv->ts3a227e_present = true;
303 } else {
304 /* no need probe TI jack detection chip */
305 snd_soc_card_cht.aux_dev = NULL;
306 snd_soc_card_cht.num_aux_devs = 0;
307 drv->ts3a227e_present = false;
308 }
309
310 /* register the soc card */
311 snd_soc_card_cht.dev = &pdev->dev;
312 snd_soc_card_set_drvdata(&snd_soc_card_cht, drv);
313 ret_val = devm_snd_soc_register_card(&pdev->dev, &snd_soc_card_cht);
314 if (ret_val) {
315 dev_err(&pdev->dev,
316 "snd_soc_register_card failed %d\n", ret_val);
317 return ret_val;
318 }
319 platform_set_drvdata(pdev, &snd_soc_card_cht);
320 return ret_val;
321}
322
323static struct platform_driver snd_cht_mc_driver = {
324 .driver = {
325 .name = "cht-bsw-max98090",
326 },
327 .probe = snd_cht_mc_probe,
328};
329
330module_platform_driver(snd_cht_mc_driver)
331
332MODULE_DESCRIPTION("ASoC Intel(R) Braswell Machine driver");
333MODULE_AUTHOR("Fang, Yang A <yang.a.fang@intel.com>");
334MODULE_LICENSE("GPL v2");
335MODULE_ALIAS("platform:cht-bsw-max98090");
This page took 0.079055 seconds and 5 git commands to generate.