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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
30static struct snd_soc_jack broadwell_headset;
31
32static 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
43static const struct snd_kcontrol_new broadwell_controls[] = {
44 SOC_DAPM_PIN_SWITCH("Speaker"),
45 SOC_DAPM_PIN_SWITCH("Headphone Jack"),
46};
47
48static 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
57static const struct snd_soc_dapm_route broadwell_rt286_map[] = {
58
59
60 {"Speaker", NULL, "SPOR"},
61 {"Speaker", NULL, "SPOL"},
62
63
64 {"Headphone Jack", NULL, "HPO Pin"},
65
66
67 {"MIC1", NULL, "Mic Jack"},
68 {"LINE1", NULL, "Line Jack"},
69
70
71 {"DMIC1 Pin", NULL, "DMIC1"},
72 {"DMIC2 Pin", NULL, "DMIC2"},
73
74
75 {"SSP0 CODEC IN", NULL, "AIF1 Capture"},
76 {"AIF1 Playback", NULL, "SSP0 CODEC OUT"},
77};
78
79static int broadwell_rt286_codec_init(struct snd_soc_pcm_runtime *rtd)
80{
81 struct snd_soc_component *component = rtd->codec_dai->component;
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(component, &broadwell_headset);
90 return 0;
91}
92
93
94static 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
103 rate->min = rate->max = 48000;
104 channels->min = channels->max = 2;
105
106
107 params_set_format(params, SNDRV_PCM_FORMAT_S16_LE);
108 return 0;
109}
110
111static 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
129static const struct snd_soc_ops broadwell_rt286_ops = {
130 .hw_params = broadwell_rt286_hw_params,
131};
132
133static int broadwell_rtd_init(struct snd_soc_pcm_runtime *rtd)
134{
135 struct snd_soc_component *component = snd_soc_rtdcom_lookup(rtd, DRV_NAME);
136 struct sst_pdata *pdata = dev_get_platdata(component->dev);
137 struct sst_hsw *broadwell = pdata->dsp;
138 int ret;
139
140
141 ret = sst_hsw_device_set_config(broadwell, SST_HSW_DEVICE_SSP_0,
142 SST_HSW_DEVICE_MCLK_FREQ_24_MHZ,
143 SST_HSW_DEVICE_CLOCK_MASTER, 9);
144 if (ret < 0) {
145 dev_err(rtd->dev, "error: failed to set device config\n");
146 return ret;
147 }
148
149 return 0;
150}
151
152
153static struct snd_soc_dai_link broadwell_rt286_dais[] = {
154
155 {
156 .name = "System PCM",
157 .stream_name = "System Playback/Capture",
158 .cpu_dai_name = "System Pin",
159 .platform_name = "haswell-pcm-audio",
160 .dynamic = 1,
161 .codec_name = "snd-soc-dummy",
162 .codec_dai_name = "snd-soc-dummy-dai",
163 .init = broadwell_rtd_init,
164 .trigger = {SND_SOC_DPCM_TRIGGER_POST, SND_SOC_DPCM_TRIGGER_POST},
165 .dpcm_playback = 1,
166 .dpcm_capture = 1,
167 },
168 {
169 .name = "Offload0",
170 .stream_name = "Offload0 Playback",
171 .cpu_dai_name = "Offload0 Pin",
172 .platform_name = "haswell-pcm-audio",
173 .dynamic = 1,
174 .codec_name = "snd-soc-dummy",
175 .codec_dai_name = "snd-soc-dummy-dai",
176 .trigger = {SND_SOC_DPCM_TRIGGER_POST, SND_SOC_DPCM_TRIGGER_POST},
177 .dpcm_playback = 1,
178 },
179 {
180 .name = "Offload1",
181 .stream_name = "Offload1 Playback",
182 .cpu_dai_name = "Offload1 Pin",
183 .platform_name = "haswell-pcm-audio",
184 .dynamic = 1,
185 .codec_name = "snd-soc-dummy",
186 .codec_dai_name = "snd-soc-dummy-dai",
187 .trigger = {SND_SOC_DPCM_TRIGGER_POST, SND_SOC_DPCM_TRIGGER_POST},
188 .dpcm_playback = 1,
189 },
190 {
191 .name = "Loopback PCM",
192 .stream_name = "Loopback",
193 .cpu_dai_name = "Loopback Pin",
194 .platform_name = "haswell-pcm-audio",
195 .dynamic = 0,
196 .codec_name = "snd-soc-dummy",
197 .codec_dai_name = "snd-soc-dummy-dai",
198 .trigger = {SND_SOC_DPCM_TRIGGER_POST, SND_SOC_DPCM_TRIGGER_POST},
199 .dpcm_capture = 1,
200 },
201
202 {
203
204 .name = "Codec",
205 .id = 0,
206 .cpu_dai_name = "snd-soc-dummy-dai",
207 .platform_name = "snd-soc-dummy",
208 .no_pcm = 1,
209 .codec_name = "i2c-INT343A:00",
210 .codec_dai_name = "rt286-aif1",
211 .init = broadwell_rt286_codec_init,
212 .dai_fmt = SND_SOC_DAIFMT_I2S | SND_SOC_DAIFMT_NB_NF |
213 SND_SOC_DAIFMT_CBS_CFS,
214 .ignore_suspend = 1,
215 .ignore_pmdown_time = 1,
216 .be_hw_params_fixup = broadwell_ssp0_fixup,
217 .ops = &broadwell_rt286_ops,
218 .dpcm_playback = 1,
219 .dpcm_capture = 1,
220 },
221};
222
223static int broadwell_suspend(struct snd_soc_card *card){
224 struct snd_soc_component *component;
225
226 list_for_each_entry(component, &card->component_dev_list, card_list) {
227 if (!strcmp(component->name, "i2c-INT343A:00")) {
228
229 dev_dbg(component->dev, "disabling jack detect before going to suspend.\n");
230 rt286_mic_detect(component, NULL);
231 break;
232 }
233 }
234 return 0;
235}
236
237static int broadwell_resume(struct snd_soc_card *card){
238 struct snd_soc_component *component;
239
240 list_for_each_entry(component, &card->component_dev_list, card_list) {
241 if (!strcmp(component->name, "i2c-INT343A:00")) {
242
243 dev_dbg(component->dev, "enabling jack detect for resume.\n");
244 rt286_mic_detect(component, &broadwell_headset);
245 break;
246 }
247 }
248 return 0;
249}
250
251
252static struct snd_soc_card broadwell_rt286 = {
253 .name = "broadwell-rt286",
254 .owner = THIS_MODULE,
255 .dai_link = broadwell_rt286_dais,
256 .num_links = ARRAY_SIZE(broadwell_rt286_dais),
257 .controls = broadwell_controls,
258 .num_controls = ARRAY_SIZE(broadwell_controls),
259 .dapm_widgets = broadwell_widgets,
260 .num_dapm_widgets = ARRAY_SIZE(broadwell_widgets),
261 .dapm_routes = broadwell_rt286_map,
262 .num_dapm_routes = ARRAY_SIZE(broadwell_rt286_map),
263 .fully_routed = true,
264 .suspend_pre = broadwell_suspend,
265 .resume_post = broadwell_resume,
266};
267
268static int broadwell_audio_probe(struct platform_device *pdev)
269{
270 broadwell_rt286.dev = &pdev->dev;
271 return devm_snd_soc_register_card(&pdev->dev, &broadwell_rt286);
272}
273
274static struct platform_driver broadwell_audio = {
275 .probe = broadwell_audio_probe,
276 .driver = {
277 .name = "broadwell-audio",
278 },
279};
280
281module_platform_driver(broadwell_audio)
282
283
284MODULE_AUTHOR("Liam Girdwood, Xingchao Wang");
285MODULE_DESCRIPTION("Intel SST Audio for WPT/Broadwell");
286MODULE_LICENSE("GPL v2");
287MODULE_ALIAS("platform:broadwell-audio");
288
