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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/pcm_params.h>
23
24#include "sst-dsp.h"
25#include "sst-haswell-ipc.h"
26
27#include "../codecs/rt5640.h"
28
29
30static const struct snd_soc_dapm_widget haswell_widgets[] = {
31 SND_SOC_DAPM_HP("Headphones", NULL),
32 SND_SOC_DAPM_MIC("Mic", NULL),
33};
34
35static const struct snd_soc_dapm_route haswell_rt5640_map[] = {
36
37 {"Headphones", NULL, "HPOR"},
38 {"Headphones", NULL, "HPOL"},
39 {"IN2P", NULL, "Mic"},
40
41
42 {"SSP0 CODEC IN", NULL, "AIF1 Capture"},
43 {"AIF1 Playback", NULL, "SSP0 CODEC OUT"},
44};
45
46static int haswell_ssp0_fixup(struct snd_soc_pcm_runtime *rtd,
47 struct snd_pcm_hw_params *params)
48{
49 struct snd_interval *rate = hw_param_interval(params,
50 SNDRV_PCM_HW_PARAM_RATE);
51 struct snd_interval *channels = hw_param_interval(params,
52 SNDRV_PCM_HW_PARAM_CHANNELS);
53
54
55 rate->min = rate->max = 48000;
56 channels->min = channels->max = 2;
57
58
59 snd_mask_set(¶ms->masks[SNDRV_PCM_HW_PARAM_FORMAT -
60 SNDRV_PCM_HW_PARAM_FIRST_MASK],
61 SNDRV_PCM_FORMAT_S16_LE);
62 return 0;
63}
64
65static int haswell_rt5640_hw_params(struct snd_pcm_substream *substream,
66 struct snd_pcm_hw_params *params)
67{
68 struct snd_soc_pcm_runtime *rtd = substream->private_data;
69 struct snd_soc_dai *codec_dai = rtd->codec_dai;
70 int ret;
71
72 ret = snd_soc_dai_set_sysclk(codec_dai, RT5640_SCLK_S_MCLK, 12288000,
73 SND_SOC_CLOCK_IN);
74
75 if (ret < 0) {
76 dev_err(rtd->dev, "can't set codec sysclk configuration\n");
77 return ret;
78 }
79
80
81 snd_soc_update_bits(rtd->codec, 0x83, 0xffff, 0x8000);
82
83 return ret;
84}
85
86static struct snd_soc_ops haswell_rt5640_ops = {
87 .hw_params = haswell_rt5640_hw_params,
88};
89
90static int haswell_rtd_init(struct snd_soc_pcm_runtime *rtd)
91{
92 struct sst_pdata *pdata = dev_get_platdata(rtd->platform->dev);
93 struct sst_hsw *haswell = pdata->dsp;
94 int ret;
95
96
97 ret = sst_hsw_device_set_config(haswell, SST_HSW_DEVICE_SSP_0,
98 SST_HSW_DEVICE_MCLK_FREQ_24_MHZ,
99 SST_HSW_DEVICE_CLOCK_MASTER, 9);
100 if (ret < 0) {
101 dev_err(rtd->dev, "failed to set device config\n");
102 return ret;
103 }
104
105 return 0;
106}
107
108static struct snd_soc_dai_link haswell_rt5640_dais[] = {
109
110 {
111 .name = "System",
112 .stream_name = "System Playback",
113 .cpu_dai_name = "System Pin",
114 .platform_name = "haswell-pcm-audio",
115 .dynamic = 1,
116 .codec_name = "snd-soc-dummy",
117 .codec_dai_name = "snd-soc-dummy-dai",
118 .init = haswell_rtd_init,
119 .trigger = {SND_SOC_DPCM_TRIGGER_POST, SND_SOC_DPCM_TRIGGER_POST},
120 .dpcm_playback = 1,
121 },
122 {
123 .name = "Offload0",
124 .stream_name = "Offload0 Playback",
125 .cpu_dai_name = "Offload0 Pin",
126 .platform_name = "haswell-pcm-audio",
127 .dynamic = 1,
128 .codec_name = "snd-soc-dummy",
129 .codec_dai_name = "snd-soc-dummy-dai",
130 .trigger = {SND_SOC_DPCM_TRIGGER_POST, SND_SOC_DPCM_TRIGGER_POST},
131 .dpcm_playback = 1,
132 },
133 {
134 .name = "Offload1",
135 .stream_name = "Offload1 Playback",
136 .cpu_dai_name = "Offload1 Pin",
137 .platform_name = "haswell-pcm-audio",
138 .dynamic = 1,
139 .codec_name = "snd-soc-dummy",
140 .codec_dai_name = "snd-soc-dummy-dai",
141 .trigger = {SND_SOC_DPCM_TRIGGER_POST, SND_SOC_DPCM_TRIGGER_POST},
142 .dpcm_playback = 1,
143 },
144 {
145 .name = "Loopback",
146 .stream_name = "Loopback",
147 .cpu_dai_name = "Loopback Pin",
148 .platform_name = "haswell-pcm-audio",
149 .dynamic = 0,
150 .codec_name = "snd-soc-dummy",
151 .codec_dai_name = "snd-soc-dummy-dai",
152 .trigger = {SND_SOC_DPCM_TRIGGER_POST, SND_SOC_DPCM_TRIGGER_POST},
153 .dpcm_capture = 1,
154 },
155 {
156 .name = "Capture",
157 .stream_name = "Capture",
158 .cpu_dai_name = "Capture 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 .trigger = {SND_SOC_DPCM_TRIGGER_POST, SND_SOC_DPCM_TRIGGER_POST},
164 .dpcm_capture = 1,
165 },
166
167
168 {
169
170 .name = "Codec",
171 .be_id = 0,
172 .cpu_dai_name = "snd-soc-dummy-dai",
173 .platform_name = "snd-soc-dummy",
174 .no_pcm = 1,
175 .codec_name = "i2c-INT33CA:00",
176 .codec_dai_name = "rt5640-aif1",
177 .dai_fmt = SND_SOC_DAIFMT_I2S | SND_SOC_DAIFMT_NB_NF |
178 SND_SOC_DAIFMT_CBS_CFS,
179 .ignore_suspend = 1,
180 .ignore_pmdown_time = 1,
181 .be_hw_params_fixup = haswell_ssp0_fixup,
182 .ops = &haswell_rt5640_ops,
183 .dpcm_playback = 1,
184 .dpcm_capture = 1,
185 },
186};
187
188
189static struct snd_soc_card haswell_rt5640 = {
190 .name = "haswell-rt5640",
191 .owner = THIS_MODULE,
192 .dai_link = haswell_rt5640_dais,
193 .num_links = ARRAY_SIZE(haswell_rt5640_dais),
194 .dapm_widgets = haswell_widgets,
195 .num_dapm_widgets = ARRAY_SIZE(haswell_widgets),
196 .dapm_routes = haswell_rt5640_map,
197 .num_dapm_routes = ARRAY_SIZE(haswell_rt5640_map),
198 .fully_routed = true,
199};
200
201static int haswell_audio_probe(struct platform_device *pdev)
202{
203 haswell_rt5640.dev = &pdev->dev;
204
205 return devm_snd_soc_register_card(&pdev->dev, &haswell_rt5640);
206}
207
208static struct platform_driver haswell_audio = {
209 .probe = haswell_audio_probe,
210 .driver = {
211 .name = "haswell-audio",
212 .owner = THIS_MODULE,
213 },
214};
215
216module_platform_driver(haswell_audio)
217
218
219MODULE_AUTHOR("Liam Girdwood, Xingchao Wang");
220MODULE_DESCRIPTION("Intel SST Audio for Haswell Lynxpoint");
221MODULE_LICENSE("GPL v2");
222MODULE_ALIAS("platform:haswell-audio");
223
