20755ecc7f9ea7e17d1fcdd5096f577929bb1957
[sfrench/cifs-2.6.git] / sound / soc / intel / boards / cht_bsw_max98090_ti.c
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
37 struct cht_mc_private {
38         struct snd_soc_jack jack;
39         bool ts3a227e_present;
40 };
41
42 static const struct snd_soc_dapm_widget cht_dapm_widgets[] = {
43         SND_SOC_DAPM_HP("Headphone", NULL),
44         SND_SOC_DAPM_MIC("Headset Mic", NULL),
45         SND_SOC_DAPM_MIC("Int Mic", NULL),
46         SND_SOC_DAPM_SPK("Ext Spk", NULL),
47 };
48
49 static const struct snd_soc_dapm_route cht_audio_map[] = {
50         {"IN34", NULL, "Headset Mic"},
51         {"Headset Mic", NULL, "MICBIAS"},
52         {"DMICL", NULL, "Int Mic"},
53         {"Headphone", NULL, "HPL"},
54         {"Headphone", NULL, "HPR"},
55         {"Ext Spk", NULL, "SPKL"},
56         {"Ext Spk", NULL, "SPKR"},
57         {"HiFi Playback", NULL, "ssp2 Tx"},
58         {"ssp2 Tx", NULL, "codec_out0"},
59         {"ssp2 Tx", NULL, "codec_out1"},
60         {"codec_in0", NULL, "ssp2 Rx" },
61         {"codec_in1", NULL, "ssp2 Rx" },
62         {"ssp2 Rx", NULL, "HiFi Capture"},
63 };
64
65 static const struct snd_kcontrol_new cht_mc_controls[] = {
66         SOC_DAPM_PIN_SWITCH("Headphone"),
67         SOC_DAPM_PIN_SWITCH("Headset Mic"),
68         SOC_DAPM_PIN_SWITCH("Int Mic"),
69         SOC_DAPM_PIN_SWITCH("Ext Spk"),
70 };
71
72 static int cht_aif1_hw_params(struct snd_pcm_substream *substream,
73                              struct snd_pcm_hw_params *params)
74 {
75         struct snd_soc_pcm_runtime *rtd = substream->private_data;
76         struct snd_soc_dai *codec_dai = rtd->codec_dai;
77         int ret;
78
79         ret = snd_soc_dai_set_sysclk(codec_dai, M98090_REG_SYSTEM_CLOCK,
80                                      CHT_PLAT_CLK_3_HZ, SND_SOC_CLOCK_IN);
81         if (ret < 0) {
82                 dev_err(rtd->dev, "can't set codec sysclk: %d\n", ret);
83                 return ret;
84         }
85
86         return 0;
87 }
88
89 static int cht_ti_jack_event(struct notifier_block *nb,
90                 unsigned long event, void *data)
91 {
92         struct snd_soc_jack *jack = (struct snd_soc_jack *)data;
93         struct snd_soc_dapm_context *dapm = &jack->card->dapm;
94
95         if (event & SND_JACK_MICROPHONE) {
96                 snd_soc_dapm_force_enable_pin(dapm, "SHDN");
97                 snd_soc_dapm_force_enable_pin(dapm, "MICBIAS");
98                 snd_soc_dapm_sync(dapm);
99         } else {
100                 snd_soc_dapm_disable_pin(dapm, "MICBIAS");
101                 snd_soc_dapm_disable_pin(dapm, "SHDN");
102                 snd_soc_dapm_sync(dapm);
103         }
104
105         return 0;
106 }
107
108 static struct notifier_block cht_jack_nb = {
109         .notifier_call = cht_ti_jack_event,
110 };
111
112 static int cht_codec_init(struct snd_soc_pcm_runtime *runtime)
113 {
114         int ret;
115         int jack_type;
116         struct cht_mc_private *ctx = snd_soc_card_get_drvdata(runtime->card);
117         struct snd_soc_jack *jack = &ctx->jack;
118
119         /**
120         * TI supports 4 butons headset detection
121         * KEY_MEDIA
122         * KEY_VOICECOMMAND
123         * KEY_VOLUMEUP
124         * KEY_VOLUMEDOWN
125         */
126         if (ctx->ts3a227e_present)
127                 jack_type = SND_JACK_HEADPHONE | SND_JACK_MICROPHONE |
128                                         SND_JACK_BTN_0 | SND_JACK_BTN_1 |
129                                         SND_JACK_BTN_2 | SND_JACK_BTN_3;
130         else
131                 jack_type = SND_JACK_HEADPHONE | SND_JACK_MICROPHONE;
132
133         ret = snd_soc_card_jack_new(runtime->card, "Headset Jack",
134                                         jack_type, jack, NULL, 0);
135
136         if (ret) {
137                 dev_err(runtime->dev, "Headset Jack creation failed %d\n", ret);
138                 return ret;
139         }
140
141         if (ctx->ts3a227e_present)
142                 snd_soc_jack_notifier_register(jack, &cht_jack_nb);
143
144         return ret;
145 }
146
147 static int cht_codec_fixup(struct snd_soc_pcm_runtime *rtd,
148                             struct snd_pcm_hw_params *params)
149 {
150         struct snd_interval *rate = hw_param_interval(params,
151                         SNDRV_PCM_HW_PARAM_RATE);
152         struct snd_interval *channels = hw_param_interval(params,
153                                                 SNDRV_PCM_HW_PARAM_CHANNELS);
154         int ret = 0;
155         unsigned int fmt = 0;
156
157         ret = snd_soc_dai_set_tdm_slot(rtd->cpu_dai, 0x3, 0x3, 2, 16);
158         if (ret < 0) {
159                 dev_err(rtd->dev, "can't set cpu_dai slot fmt: %d\n", ret);
160                 return ret;
161         }
162
163         fmt = SND_SOC_DAIFMT_LEFT_J | SND_SOC_DAIFMT_NB_NF
164                                 | SND_SOC_DAIFMT_CBS_CFS;
165
166         ret = snd_soc_dai_set_fmt(rtd->cpu_dai, fmt);
167         if (ret < 0) {
168                 dev_err(rtd->dev, "can't set cpu_dai set fmt: %d\n", ret);
169                 return ret;
170         }
171
172         /* The DSP will covert the FE rate to 48k, stereo, 24bits */
173         rate->min = rate->max = 48000;
174         channels->min = channels->max = 2;
175
176         /* set SSP2 to 24-bit */
177         params_set_format(params, SNDRV_PCM_FORMAT_S24_LE);
178         return 0;
179 }
180
181 static int cht_aif1_startup(struct snd_pcm_substream *substream)
182 {
183         return snd_pcm_hw_constraint_single(substream->runtime,
184                         SNDRV_PCM_HW_PARAM_RATE, 48000);
185 }
186
187 static int cht_max98090_headset_init(struct snd_soc_component *component)
188 {
189         struct snd_soc_card *card = component->card;
190         struct cht_mc_private *ctx = snd_soc_card_get_drvdata(card);
191
192         return ts3a227e_enable_jack_detect(component, &ctx->jack);
193 }
194
195 static const struct snd_soc_ops cht_aif1_ops = {
196         .startup = cht_aif1_startup,
197 };
198
199 static const struct snd_soc_ops cht_be_ssp2_ops = {
200         .hw_params = cht_aif1_hw_params,
201 };
202
203 static struct snd_soc_aux_dev cht_max98090_headset_dev = {
204         .name = "Headset Chip",
205         .init = cht_max98090_headset_init,
206         .codec_name = "i2c-104C227E:00",
207 };
208
209 static struct snd_soc_dai_link cht_dailink[] = {
210         [MERR_DPCM_AUDIO] = {
211                 .name = "Audio Port",
212                 .stream_name = "Audio",
213                 .cpu_dai_name = "media-cpu-dai",
214                 .codec_dai_name = "snd-soc-dummy-dai",
215                 .codec_name = "snd-soc-dummy",
216                 .platform_name = "sst-mfld-platform",
217                 .nonatomic = true,
218                 .dynamic = 1,
219                 .dpcm_playback = 1,
220                 .dpcm_capture = 1,
221                 .ops = &cht_aif1_ops,
222         },
223         [MERR_DPCM_DEEP_BUFFER] = {
224                 .name = "Deep-Buffer Audio Port",
225                 .stream_name = "Deep-Buffer Audio",
226                 .cpu_dai_name = "deepbuffer-cpu-dai",
227                 .codec_dai_name = "snd-soc-dummy-dai",
228                 .codec_name = "snd-soc-dummy",
229                 .platform_name = "sst-mfld-platform",
230                 .nonatomic = true,
231                 .dynamic = 1,
232                 .dpcm_playback = 1,
233                 .ops = &cht_aif1_ops,
234         },
235         [MERR_DPCM_COMPR] = {
236                 .name = "Compressed Port",
237                 .stream_name = "Compress",
238                 .cpu_dai_name = "compress-cpu-dai",
239                 .codec_dai_name = "snd-soc-dummy-dai",
240                 .codec_name = "snd-soc-dummy",
241                 .platform_name = "sst-mfld-platform",
242         },
243         /* back ends */
244         {
245                 .name = "SSP2-Codec",
246                 .id = 1,
247                 .cpu_dai_name = "ssp2-port",
248                 .platform_name = "sst-mfld-platform",
249                 .no_pcm = 1,
250                 .codec_dai_name = "HiFi",
251                 .codec_name = "i2c-193C9890:00",
252                 .dai_fmt = SND_SOC_DAIFMT_I2S | SND_SOC_DAIFMT_NB_NF
253                                         | SND_SOC_DAIFMT_CBS_CFS,
254                 .init = cht_codec_init,
255                 .be_hw_params_fixup = cht_codec_fixup,
256                 .dpcm_playback = 1,
257                 .dpcm_capture = 1,
258                 .ops = &cht_be_ssp2_ops,
259         },
260 };
261
262 /* SoC card */
263 static struct snd_soc_card snd_soc_card_cht = {
264         .name = "chtmax98090",
265         .owner = THIS_MODULE,
266         .dai_link = cht_dailink,
267         .num_links = ARRAY_SIZE(cht_dailink),
268         .aux_dev = &cht_max98090_headset_dev,
269         .num_aux_devs = 1,
270         .dapm_widgets = cht_dapm_widgets,
271         .num_dapm_widgets = ARRAY_SIZE(cht_dapm_widgets),
272         .dapm_routes = cht_audio_map,
273         .num_dapm_routes = ARRAY_SIZE(cht_audio_map),
274         .controls = cht_mc_controls,
275         .num_controls = ARRAY_SIZE(cht_mc_controls),
276 };
277
278 static int snd_cht_mc_probe(struct platform_device *pdev)
279 {
280         int ret_val = 0;
281         struct cht_mc_private *drv;
282
283         drv = devm_kzalloc(&pdev->dev, sizeof(*drv), GFP_ATOMIC);
284         if (!drv)
285                 return -ENOMEM;
286
287         drv->ts3a227e_present = acpi_dev_found("104C227E");
288         if (!drv->ts3a227e_present) {
289                 /* no need probe TI jack detection chip */
290                 snd_soc_card_cht.aux_dev = NULL;
291                 snd_soc_card_cht.num_aux_devs = 0;
292         }
293
294         /* register the soc card */
295         snd_soc_card_cht.dev = &pdev->dev;
296         snd_soc_card_set_drvdata(&snd_soc_card_cht, drv);
297         ret_val = devm_snd_soc_register_card(&pdev->dev, &snd_soc_card_cht);
298         if (ret_val) {
299                 dev_err(&pdev->dev,
300                         "snd_soc_register_card failed %d\n", ret_val);
301                 return ret_val;
302         }
303         platform_set_drvdata(pdev, &snd_soc_card_cht);
304         return ret_val;
305 }
306
307 static struct platform_driver snd_cht_mc_driver = {
308         .driver = {
309                 .name = "cht-bsw-max98090",
310         },
311         .probe = snd_cht_mc_probe,
312 };
313
314 module_platform_driver(snd_cht_mc_driver)
315
316 MODULE_DESCRIPTION("ASoC Intel(R) Braswell Machine driver");
317 MODULE_AUTHOR("Fang, Yang A <yang.a.fang@intel.com>");
318 MODULE_LICENSE("GPL v2");
319 MODULE_ALIAS("platform:cht-bsw-max98090");