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
broadwell_rt286_codec_init(struct snd_soc_pcm_runtime * rtd)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
broadwell_ssp0_fixup(struct snd_soc_pcm_runtime * rtd,struct snd_pcm_hw_params * params)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
broadwell_rt286_hw_params(struct snd_pcm_substream * substream,struct snd_pcm_hw_params * params)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
broadwell_rtd_init(struct snd_soc_pcm_runtime * rtd)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
broadwell_suspend(struct snd_soc_card * card)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
broadwell_resume(struct snd_soc_card * card)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
broadwell_audio_probe(struct platform_device * pdev)265 static int broadwell_audio_probe(struct platform_device *pdev)
266 {
267 broadwell_rt286.dev = &pdev->dev;
268
269 return snd_soc_register_card(&broadwell_rt286);
270 }
271
broadwell_audio_remove(struct platform_device * pdev)272 static int broadwell_audio_remove(struct platform_device *pdev)
273 {
274 snd_soc_unregister_card(&broadwell_rt286);
275 return 0;
276 }
277
278 static struct platform_driver broadwell_audio = {
279 .probe = broadwell_audio_probe,
280 .remove = broadwell_audio_remove,
281 .driver = {
282 .name = "broadwell-audio",
283 },
284 };
285
286 module_platform_driver(broadwell_audio)
287
288 /* Module information */
289 MODULE_AUTHOR("Liam Girdwood, Xingchao Wang");
290 MODULE_DESCRIPTION("Intel SST Audio for WPT/Broadwell");
291 MODULE_LICENSE("GPL v2");
292 MODULE_ALIAS("platform:broadwell-audio");
293