Merge branch 'for-linus' into for-next
[firefly-linux-kernel-4.4.55.git] / sound / soc / intel / boards / broadwell.c
1 /*
2  * Intel Broadwell Wildcatpoint SST Audio
3  *
4  * Copyright (C) 2013, Intel Corporation. All rights reserved.
5  *
6  * This program is free software; you can redistribute it and/or
7  * modify it under the terms of the GNU General Public License version
8  * 2 as published by the Free Software Foundation.
9  *
10  * This program is distributed in the hope that it will be useful,
11  * but WITHOUT ANY WARRANTY; without even the implied warranty of
12  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
13  * GNU General Public License for more details.
14  *
15  */
16
17 #include <linux/module.h>
18 #include <linux/platform_device.h>
19 #include <sound/core.h>
20 #include <sound/pcm.h>
21 #include <sound/soc.h>
22 #include <sound/jack.h>
23 #include <sound/pcm_params.h>
24
25 #include "../common/sst-dsp.h"
26 #include "../haswell/sst-haswell-ipc.h"
27
28 #include "../../codecs/rt286.h"
29
30 static struct snd_soc_jack broadwell_headset;
31 /* Headset jack detection DAPM pins */
32 static struct snd_soc_jack_pin broadwell_headset_pins[] = {
33         {
34                 .pin = "Mic Jack",
35                 .mask = SND_JACK_MICROPHONE,
36         },
37         {
38                 .pin = "Headphone Jack",
39                 .mask = SND_JACK_HEADPHONE,
40         },
41 };
42
43 static const struct snd_kcontrol_new broadwell_controls[] = {
44         SOC_DAPM_PIN_SWITCH("Speaker"),
45         SOC_DAPM_PIN_SWITCH("Headphone Jack"),
46 };
47
48 static const struct snd_soc_dapm_widget broadwell_widgets[] = {
49         SND_SOC_DAPM_HP("Headphone Jack", NULL),
50         SND_SOC_DAPM_SPK("Speaker", NULL),
51         SND_SOC_DAPM_MIC("Mic Jack", NULL),
52         SND_SOC_DAPM_MIC("DMIC1", NULL),
53         SND_SOC_DAPM_MIC("DMIC2", NULL),
54         SND_SOC_DAPM_LINE("Line Jack", NULL),
55 };
56
57 static const struct snd_soc_dapm_route broadwell_rt286_map[] = {
58
59         /* speaker */
60         {"Speaker", NULL, "SPOR"},
61         {"Speaker", NULL, "SPOL"},
62
63         /* HP jack connectors - unknown if we have jack deteck */
64         {"Headphone Jack", NULL, "HPO Pin"},
65
66         /* other jacks */
67         {"MIC1", NULL, "Mic Jack"},
68         {"LINE1", NULL, "Line Jack"},
69
70         /* digital mics */
71         {"DMIC1 Pin", NULL, "DMIC1"},
72         {"DMIC2 Pin", NULL, "DMIC2"},
73
74         /* CODEC BE connections */
75         {"SSP0 CODEC IN", NULL, "AIF1 Capture"},
76         {"AIF1 Playback", NULL, "SSP0 CODEC OUT"},
77 };
78
79 static int broadwell_rt286_codec_init(struct snd_soc_pcm_runtime *rtd)
80 {
81         struct snd_soc_codec *codec = rtd->codec;
82         int ret = 0;
83         ret = snd_soc_card_jack_new(rtd->card, "Headset",
84                 SND_JACK_HEADSET | SND_JACK_BTN_0, &broadwell_headset,
85                 broadwell_headset_pins, ARRAY_SIZE(broadwell_headset_pins));
86         if (ret)
87                 return ret;
88
89         rt286_mic_detect(codec, &broadwell_headset);
90         return 0;
91 }
92
93
94 static int broadwell_ssp0_fixup(struct snd_soc_pcm_runtime *rtd,
95                         struct snd_pcm_hw_params *params)
96 {
97         struct snd_interval *rate = hw_param_interval(params,
98                         SNDRV_PCM_HW_PARAM_RATE);
99         struct snd_interval *channels = hw_param_interval(params,
100                                                 SNDRV_PCM_HW_PARAM_CHANNELS);
101
102         /* The ADSP will covert the FE rate to 48k, stereo */
103         rate->min = rate->max = 48000;
104         channels->min = channels->max = 2;
105
106         /* set SSP0 to 16 bit */
107         params_set_format(params, SNDRV_PCM_FORMAT_S16_LE);
108         return 0;
109 }
110
111 static int broadwell_rt286_hw_params(struct snd_pcm_substream *substream,
112         struct snd_pcm_hw_params *params)
113 {
114         struct snd_soc_pcm_runtime *rtd = substream->private_data;
115         struct snd_soc_dai *codec_dai = rtd->codec_dai;
116         int ret;
117
118         ret = snd_soc_dai_set_sysclk(codec_dai, RT286_SCLK_S_PLL, 24000000,
119                 SND_SOC_CLOCK_IN);
120
121         if (ret < 0) {
122                 dev_err(rtd->dev, "can't set codec sysclk configuration\n");
123                 return ret;
124         }
125
126         return ret;
127 }
128
129 static struct snd_soc_ops broadwell_rt286_ops = {
130         .hw_params = broadwell_rt286_hw_params,
131 };
132
133 static int broadwell_rtd_init(struct snd_soc_pcm_runtime *rtd)
134 {
135         struct sst_pdata *pdata = dev_get_platdata(rtd->platform->dev);
136         struct sst_hsw *broadwell = pdata->dsp;
137         int ret;
138
139         /* Set ADSP SSP port settings */
140         ret = sst_hsw_device_set_config(broadwell, SST_HSW_DEVICE_SSP_0,
141                 SST_HSW_DEVICE_MCLK_FREQ_24_MHZ,
142                 SST_HSW_DEVICE_CLOCK_MASTER, 9);
143         if (ret < 0) {
144                 dev_err(rtd->dev, "error: failed to set device config\n");
145                 return ret;
146         }
147
148         return 0;
149 }
150
151 /* broadwell digital audio interface glue - connects codec <--> CPU */
152 static struct snd_soc_dai_link broadwell_rt286_dais[] = {
153         /* Front End DAI links */
154         {
155                 .name = "System PCM",
156                 .stream_name = "System Playback/Capture",
157                 .cpu_dai_name = "System Pin",
158                 .platform_name = "haswell-pcm-audio",
159                 .dynamic = 1,
160                 .codec_name = "snd-soc-dummy",
161                 .codec_dai_name = "snd-soc-dummy-dai",
162                 .init = broadwell_rtd_init,
163                 .trigger = {SND_SOC_DPCM_TRIGGER_POST, SND_SOC_DPCM_TRIGGER_POST},
164                 .dpcm_playback = 1,
165                 .dpcm_capture = 1,
166         },
167         {
168                 .name = "Offload0",
169                 .stream_name = "Offload0 Playback",
170                 .cpu_dai_name = "Offload0 Pin",
171                 .platform_name = "haswell-pcm-audio",
172                 .dynamic = 1,
173                 .codec_name = "snd-soc-dummy",
174                 .codec_dai_name = "snd-soc-dummy-dai",
175                 .trigger = {SND_SOC_DPCM_TRIGGER_POST, SND_SOC_DPCM_TRIGGER_POST},
176                 .dpcm_playback = 1,
177         },
178         {
179                 .name = "Offload1",
180                 .stream_name = "Offload1 Playback",
181                 .cpu_dai_name = "Offload1 Pin",
182                 .platform_name = "haswell-pcm-audio",
183                 .dynamic = 1,
184                 .codec_name = "snd-soc-dummy",
185                 .codec_dai_name = "snd-soc-dummy-dai",
186                 .trigger = {SND_SOC_DPCM_TRIGGER_POST, SND_SOC_DPCM_TRIGGER_POST},
187                 .dpcm_playback = 1,
188         },
189         {
190                 .name = "Loopback PCM",
191                 .stream_name = "Loopback",
192                 .cpu_dai_name = "Loopback Pin",
193                 .platform_name = "haswell-pcm-audio",
194                 .dynamic = 0,
195                 .codec_name = "snd-soc-dummy",
196                 .codec_dai_name = "snd-soc-dummy-dai",
197                 .trigger = {SND_SOC_DPCM_TRIGGER_POST, SND_SOC_DPCM_TRIGGER_POST},
198                 .dpcm_capture = 1,
199         },
200         /* Back End DAI links */
201         {
202                 /* SSP0 - Codec */
203                 .name = "Codec",
204                 .be_id = 0,
205                 .cpu_dai_name = "snd-soc-dummy-dai",
206                 .platform_name = "snd-soc-dummy",
207                 .no_pcm = 1,
208                 .codec_name = "i2c-INT343A:00",
209                 .codec_dai_name = "rt286-aif1",
210                 .init = broadwell_rt286_codec_init,
211                 .dai_fmt = SND_SOC_DAIFMT_I2S | SND_SOC_DAIFMT_NB_NF |
212                         SND_SOC_DAIFMT_CBS_CFS,
213                 .ignore_suspend = 1,
214                 .ignore_pmdown_time = 1,
215                 .be_hw_params_fixup = broadwell_ssp0_fixup,
216                 .ops = &broadwell_rt286_ops,
217                 .dpcm_playback = 1,
218                 .dpcm_capture = 1,
219         },
220 };
221
222 static int broadwell_suspend(struct snd_soc_card *card){
223         struct snd_soc_codec *codec;
224
225         list_for_each_entry(codec, &card->codec_dev_list, card_list) {
226                 if (!strcmp(codec->component.name, "i2c-INT343A:00")) {
227                         dev_dbg(codec->dev, "disabling jack detect before going to suspend.\n");
228                         rt286_mic_detect(codec, NULL);
229                         break;
230                 }
231         }
232         return 0;
233 }
234
235 static int broadwell_resume(struct snd_soc_card *card){
236         struct snd_soc_codec *codec;
237
238         list_for_each_entry(codec, &card->codec_dev_list, card_list) {
239                 if (!strcmp(codec->component.name, "i2c-INT343A:00")) {
240                         dev_dbg(codec->dev, "enabling jack detect for resume.\n");
241                         rt286_mic_detect(codec, &broadwell_headset);
242                         break;
243                 }
244         }
245         return 0;
246 }
247
248 /* broadwell audio machine driver for WPT + RT286S */
249 static struct snd_soc_card broadwell_rt286 = {
250         .name = "broadwell-rt286",
251         .owner = THIS_MODULE,
252         .dai_link = broadwell_rt286_dais,
253         .num_links = ARRAY_SIZE(broadwell_rt286_dais),
254         .controls = broadwell_controls,
255         .num_controls = ARRAY_SIZE(broadwell_controls),
256         .dapm_widgets = broadwell_widgets,
257         .num_dapm_widgets = ARRAY_SIZE(broadwell_widgets),
258         .dapm_routes = broadwell_rt286_map,
259         .num_dapm_routes = ARRAY_SIZE(broadwell_rt286_map),
260         .fully_routed = true,
261         .suspend_pre = broadwell_suspend,
262         .resume_post = broadwell_resume,
263 };
264
265 static int broadwell_audio_probe(struct platform_device *pdev)
266 {
267         broadwell_rt286.dev = &pdev->dev;
268
269         return devm_snd_soc_register_card(&pdev->dev, &broadwell_rt286);
270 }
271
272 static struct platform_driver broadwell_audio = {
273         .probe = broadwell_audio_probe,
274         .driver = {
275                 .name = "broadwell-audio",
276         },
277 };
278
279 module_platform_driver(broadwell_audio)
280
281 /* Module information */
282 MODULE_AUTHOR("Liam Girdwood, Xingchao Wang");
283 MODULE_DESCRIPTION("Intel SST Audio for WPT/Broadwell");
284 MODULE_LICENSE("GPL v2");
285 MODULE_ALIAS("platform:broadwell-audio");