This source file includes following definitions.
- haswell_ssp0_fixup
- haswell_rt5640_hw_params
- haswell_rtd_init
- haswell_audio_probe
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8 #include <linux/module.h>
9 #include <linux/platform_device.h>
10 #include <sound/core.h>
11 #include <sound/pcm.h>
12 #include <sound/soc.h>
13 #include <sound/soc-acpi.h>
14 #include <sound/pcm_params.h>
15
16 #include "../common/sst-dsp.h"
17 #include "../haswell/sst-haswell-ipc.h"
18
19 #include "../../codecs/rt5640.h"
20
21
22 static const struct snd_soc_dapm_widget haswell_widgets[] = {
23 SND_SOC_DAPM_HP("Headphones", NULL),
24 SND_SOC_DAPM_MIC("Mic", NULL),
25 };
26
27 static const struct snd_soc_dapm_route haswell_rt5640_map[] = {
28
29 {"Headphones", NULL, "HPOR"},
30 {"Headphones", NULL, "HPOL"},
31 {"IN2P", NULL, "Mic"},
32
33
34 {"SSP0 CODEC IN", NULL, "AIF1 Capture"},
35 {"AIF1 Playback", NULL, "SSP0 CODEC OUT"},
36 };
37
38 static int haswell_ssp0_fixup(struct snd_soc_pcm_runtime *rtd,
39 struct snd_pcm_hw_params *params)
40 {
41 struct snd_interval *rate = hw_param_interval(params,
42 SNDRV_PCM_HW_PARAM_RATE);
43 struct snd_interval *channels = hw_param_interval(params,
44 SNDRV_PCM_HW_PARAM_CHANNELS);
45
46
47 rate->min = rate->max = 48000;
48 channels->min = channels->max = 2;
49
50
51 params_set_format(params, SNDRV_PCM_FORMAT_S16_LE);
52 return 0;
53 }
54
55 static int haswell_rt5640_hw_params(struct snd_pcm_substream *substream,
56 struct snd_pcm_hw_params *params)
57 {
58 struct snd_soc_pcm_runtime *rtd = substream->private_data;
59 struct snd_soc_dai *codec_dai = rtd->codec_dai;
60 int ret;
61
62 ret = snd_soc_dai_set_sysclk(codec_dai, RT5640_SCLK_S_MCLK, 12288000,
63 SND_SOC_CLOCK_IN);
64
65 if (ret < 0) {
66 dev_err(rtd->dev, "can't set codec sysclk configuration\n");
67 return ret;
68 }
69
70
71 snd_soc_component_update_bits(codec_dai->component, 0x83, 0xffff, 0x8000);
72
73 return ret;
74 }
75
76 static const struct snd_soc_ops haswell_rt5640_ops = {
77 .hw_params = haswell_rt5640_hw_params,
78 };
79
80 static int haswell_rtd_init(struct snd_soc_pcm_runtime *rtd)
81 {
82 struct snd_soc_component *component = snd_soc_rtdcom_lookup(rtd, DRV_NAME);
83 struct sst_pdata *pdata = dev_get_platdata(component->dev);
84 struct sst_hsw *haswell = pdata->dsp;
85 int ret;
86
87
88 ret = sst_hsw_device_set_config(haswell, SST_HSW_DEVICE_SSP_0,
89 SST_HSW_DEVICE_MCLK_FREQ_24_MHZ,
90 SST_HSW_DEVICE_CLOCK_MASTER, 9);
91 if (ret < 0) {
92 dev_err(rtd->dev, "failed to set device config\n");
93 return ret;
94 }
95
96 return 0;
97 }
98
99 SND_SOC_DAILINK_DEF(dummy,
100 DAILINK_COMP_ARRAY(COMP_DUMMY()));
101
102 SND_SOC_DAILINK_DEF(system,
103 DAILINK_COMP_ARRAY(COMP_CPU("System Pin")));
104
105 SND_SOC_DAILINK_DEF(offload0,
106 DAILINK_COMP_ARRAY(COMP_CPU("Offload0 Pin")));
107
108 SND_SOC_DAILINK_DEF(offload1,
109 DAILINK_COMP_ARRAY(COMP_CPU("Offload1 Pin")));
110
111 SND_SOC_DAILINK_DEF(loopback,
112 DAILINK_COMP_ARRAY(COMP_CPU("Loopback Pin")));
113
114 SND_SOC_DAILINK_DEF(codec,
115 DAILINK_COMP_ARRAY(COMP_CODEC("i2c-INT33CA:00", "rt5640-aif1")));
116
117 SND_SOC_DAILINK_DEF(platform,
118 DAILINK_COMP_ARRAY(COMP_PLATFORM("haswell-pcm-audio")));
119
120 static struct snd_soc_dai_link haswell_rt5640_dais[] = {
121
122 {
123 .name = "System",
124 .stream_name = "System Playback/Capture",
125 .dynamic = 1,
126 .init = haswell_rtd_init,
127 .trigger = {SND_SOC_DPCM_TRIGGER_POST, SND_SOC_DPCM_TRIGGER_POST},
128 .dpcm_playback = 1,
129 .dpcm_capture = 1,
130 SND_SOC_DAILINK_REG(system, dummy, platform),
131 },
132 {
133 .name = "Offload0",
134 .stream_name = "Offload0 Playback",
135 .dynamic = 1,
136 .trigger = {SND_SOC_DPCM_TRIGGER_POST, SND_SOC_DPCM_TRIGGER_POST},
137 .dpcm_playback = 1,
138 SND_SOC_DAILINK_REG(offload0, dummy, platform),
139 },
140 {
141 .name = "Offload1",
142 .stream_name = "Offload1 Playback",
143 .dynamic = 1,
144 .trigger = {SND_SOC_DPCM_TRIGGER_POST, SND_SOC_DPCM_TRIGGER_POST},
145 .dpcm_playback = 1,
146 SND_SOC_DAILINK_REG(offload1, dummy, platform),
147 },
148 {
149 .name = "Loopback",
150 .stream_name = "Loopback",
151 .dynamic = 1,
152 .trigger = {SND_SOC_DPCM_TRIGGER_POST, SND_SOC_DPCM_TRIGGER_POST},
153 .dpcm_capture = 1,
154 SND_SOC_DAILINK_REG(loopback, dummy, platform),
155 },
156
157
158 {
159
160 .name = "Codec",
161 .id = 0,
162 .no_pcm = 1,
163 .dai_fmt = SND_SOC_DAIFMT_I2S | SND_SOC_DAIFMT_NB_NF |
164 SND_SOC_DAIFMT_CBS_CFS,
165 .ignore_suspend = 1,
166 .ignore_pmdown_time = 1,
167 .be_hw_params_fixup = haswell_ssp0_fixup,
168 .ops = &haswell_rt5640_ops,
169 .dpcm_playback = 1,
170 .dpcm_capture = 1,
171 SND_SOC_DAILINK_REG(dummy, codec, dummy),
172 },
173 };
174
175
176 static struct snd_soc_card haswell_rt5640 = {
177 .name = "haswell-rt5640",
178 .owner = THIS_MODULE,
179 .dai_link = haswell_rt5640_dais,
180 .num_links = ARRAY_SIZE(haswell_rt5640_dais),
181 .dapm_widgets = haswell_widgets,
182 .num_dapm_widgets = ARRAY_SIZE(haswell_widgets),
183 .dapm_routes = haswell_rt5640_map,
184 .num_dapm_routes = ARRAY_SIZE(haswell_rt5640_map),
185 .fully_routed = true,
186 };
187
188 static int haswell_audio_probe(struct platform_device *pdev)
189 {
190 struct snd_soc_acpi_mach *mach;
191 int ret;
192
193 haswell_rt5640.dev = &pdev->dev;
194
195
196 mach = (&pdev->dev)->platform_data;
197 ret = snd_soc_fixup_dai_links_platform_name(&haswell_rt5640,
198 mach->mach_params.platform);
199 if (ret)
200 return ret;
201
202 return devm_snd_soc_register_card(&pdev->dev, &haswell_rt5640);
203 }
204
205 static struct platform_driver haswell_audio = {
206 .probe = haswell_audio_probe,
207 .driver = {
208 .name = "haswell-audio",
209 },
210 };
211
212 module_platform_driver(haswell_audio)
213
214
215 MODULE_AUTHOR("Liam Girdwood, Xingchao Wang");
216 MODULE_DESCRIPTION("Intel SST Audio for Haswell Lynxpoint");
217 MODULE_LICENSE("GPL v2");
218 MODULE_ALIAS("platform:haswell-audio");