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22#include <linux/module.h>
23#include <sound/pcm.h>
24#include <sound/pcm_params.h>
25#include <sound/soc.h>
26#include "../atom/sst-atom-controls.h"
27
28static const struct snd_soc_dapm_widget widgets[] = {
29 SND_SOC_DAPM_MIC("Mic", NULL),
30 SND_SOC_DAPM_SPK("Speaker", NULL),
31};
32
33static const struct snd_kcontrol_new controls[] = {
34 SOC_DAPM_PIN_SWITCH("Mic"),
35 SOC_DAPM_PIN_SWITCH("Speaker"),
36};
37
38static const struct snd_soc_dapm_route audio_map[] = {
39 {"ssp2 Tx", NULL, "codec_out0"},
40 {"ssp2 Tx", NULL, "codec_out1"},
41 {"codec_in0", NULL, "ssp2 Rx"},
42 {"codec_in1", NULL, "ssp2 Rx"},
43
44 {"ssp2 Rx", NULL, "Mic"},
45 {"Speaker", NULL, "ssp2 Tx"},
46};
47
48static int codec_fixup(struct snd_soc_pcm_runtime *rtd,
49 struct snd_pcm_hw_params *params)
50{
51 struct snd_interval *rate = hw_param_interval(params,
52 SNDRV_PCM_HW_PARAM_RATE);
53 struct snd_interval *channels = hw_param_interval(params,
54 SNDRV_PCM_HW_PARAM_CHANNELS);
55 int ret;
56
57
58 rate->min = rate->max = 48000;
59 channels->min = channels->max = 2;
60
61
62 params_set_format(params, SNDRV_PCM_FORMAT_S24_LE);
63
64
65
66
67
68
69 ret = snd_soc_dai_set_fmt(rtd->cpu_dai,
70 SND_SOC_DAIFMT_I2S |
71 SND_SOC_DAIFMT_NB_NF |
72 SND_SOC_DAIFMT_CBS_CFS);
73
74 if (ret < 0) {
75 dev_err(rtd->dev, "can't set format to I2S, err %d\n", ret);
76 return ret;
77 }
78
79 ret = snd_soc_dai_set_tdm_slot(rtd->cpu_dai, 0x3, 0x3, 2, 24);
80 if (ret < 0) {
81 dev_err(rtd->dev, "can't set I2S config, err %d\n", ret);
82 return ret;
83 }
84
85 return 0;
86}
87
88static unsigned int rates_48000[] = {
89 48000,
90};
91
92static struct snd_pcm_hw_constraint_list constraints_48000 = {
93 .count = ARRAY_SIZE(rates_48000),
94 .list = rates_48000,
95};
96
97static int aif1_startup(struct snd_pcm_substream *substream)
98{
99 return snd_pcm_hw_constraint_list(substream->runtime, 0,
100 SNDRV_PCM_HW_PARAM_RATE,
101 &constraints_48000);
102}
103
104static struct snd_soc_ops aif1_ops = {
105 .startup = aif1_startup,
106};
107
108static struct snd_soc_dai_link dais[] = {
109 [MERR_DPCM_AUDIO] = {
110 .name = "Audio Port",
111 .stream_name = "Audio",
112 .cpu_dai_name = "media-cpu-dai",
113 .codec_dai_name = "snd-soc-dummy-dai",
114 .codec_name = "snd-soc-dummy",
115 .platform_name = "sst-mfld-platform",
116 .ignore_suspend = 1,
117 .nonatomic = true,
118 .dynamic = 1,
119 .dpcm_playback = 1,
120 .dpcm_capture = 1,
121 .ops = &aif1_ops,
122 },
123 [MERR_DPCM_DEEP_BUFFER] = {
124 .name = "Deep-Buffer Audio Port",
125 .stream_name = "Deep-Buffer Audio",
126 .cpu_dai_name = "deepbuffer-cpu-dai",
127 .codec_dai_name = "snd-soc-dummy-dai",
128 .codec_name = "snd-soc-dummy",
129 .platform_name = "sst-mfld-platform",
130 .ignore_suspend = 1,
131 .nonatomic = true,
132 .dynamic = 1,
133 .dpcm_playback = 1,
134 .ops = &aif1_ops,
135 },
136 [MERR_DPCM_COMPR] = {
137 .name = "Compressed Port",
138 .stream_name = "Compress",
139 .cpu_dai_name = "compress-cpu-dai",
140 .codec_dai_name = "snd-soc-dummy-dai",
141 .codec_name = "snd-soc-dummy",
142 .platform_name = "sst-mfld-platform",
143 },
144
145
146 {
147 .name = "SSP2-LowSpeed Connector",
148 .id = 1,
149 .cpu_dai_name = "ssp2-port",
150 .platform_name = "sst-mfld-platform",
151 .no_pcm = 1,
152 .codec_dai_name = "snd-soc-dummy-dai",
153 .codec_name = "snd-soc-dummy",
154 .dai_fmt = SND_SOC_DAIFMT_I2S | SND_SOC_DAIFMT_NB_NF
155 | SND_SOC_DAIFMT_CBS_CFS,
156 .be_hw_params_fixup = codec_fixup,
157 .ignore_suspend = 1,
158 .nonatomic = true,
159 .dpcm_playback = 1,
160 .dpcm_capture = 1,
161 },
162};
163
164
165static struct snd_soc_card bytcht_nocodec_card = {
166 .name = "bytcht-nocodec",
167 .owner = THIS_MODULE,
168 .dai_link = dais,
169 .num_links = ARRAY_SIZE(dais),
170 .dapm_widgets = widgets,
171 .num_dapm_widgets = ARRAY_SIZE(widgets),
172 .dapm_routes = audio_map,
173 .num_dapm_routes = ARRAY_SIZE(audio_map),
174 .controls = controls,
175 .num_controls = ARRAY_SIZE(controls),
176 .fully_routed = true,
177};
178
179static int snd_bytcht_nocodec_mc_probe(struct platform_device *pdev)
180{
181 int ret_val = 0;
182
183
184 bytcht_nocodec_card.dev = &pdev->dev;
185
186 ret_val = devm_snd_soc_register_card(&pdev->dev, &bytcht_nocodec_card);
187
188 if (ret_val) {
189 dev_err(&pdev->dev, "devm_snd_soc_register_card failed %d\n",
190 ret_val);
191 return ret_val;
192 }
193 platform_set_drvdata(pdev, &bytcht_nocodec_card);
194 return ret_val;
195}
196
197static struct platform_driver snd_bytcht_nocodec_mc_driver = {
198 .driver = {
199 .name = "bytcht_nocodec",
200 },
201 .probe = snd_bytcht_nocodec_mc_probe,
202};
203module_platform_driver(snd_bytcht_nocodec_mc_driver);
204
205MODULE_DESCRIPTION("ASoC Intel(R) Baytrail/Cherrytrail Nocodec Machine driver");
206MODULE_AUTHOR("Pierre-Louis Bossart <pierre-louis.bossart at linux.intel.com>");
207MODULE_LICENSE("GPL v2");
208MODULE_ALIAS("platform:bytcht_nocodec");
209
