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1 | /* |
2 | * Intel Haswell Lynxpoint 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/pcm_params.h> | |
23 | ||
24 | #include "sst-dsp.h" | |
25 | #include "sst-haswell-ipc.h" | |
26 | ||
27 | #include "../codecs/rt5640.h" | |
28 | ||
29 | /* Haswell ULT platforms have a Headphone and Mic jack */ | |
30 | static const struct snd_soc_dapm_widget haswell_widgets[] = { | |
31 | SND_SOC_DAPM_HP("Headphones", NULL), | |
32 | SND_SOC_DAPM_MIC("Mic", NULL), | |
33 | }; | |
34 | ||
35 | static const struct snd_soc_dapm_route haswell_rt5640_map[] = { | |
36 | ||
37 | {"Headphones", NULL, "HPOR"}, | |
38 | {"Headphones", NULL, "HPOL"}, | |
39 | {"IN2P", NULL, "Mic"}, | |
40 | ||
41 | /* CODEC BE connections */ | |
42 | {"SSP0 CODEC IN", NULL, "AIF1 Capture"}, | |
43 | {"AIF1 Playback", NULL, "SSP0 CODEC OUT"}, | |
44 | }; | |
45 | ||
46 | static 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 | /* The ADSP will covert the FE rate to 48k, stereo */ | |
55 | rate->min = rate->max = 48000; | |
56 | channels->min = channels->max = 2; | |
57 | ||
58 | /* set SSP0 to 16 bit */ | |
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 | ||
65 | static 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 | /* set correct codec filter for DAI format and clock config */ | |
81 | snd_soc_update_bits(rtd->codec, 0x83, 0xffff, 0x8000); | |
82 | ||
83 | return ret; | |
84 | } | |
85 | ||
86 | static struct snd_soc_ops haswell_rt5640_ops = { | |
87 | .hw_params = haswell_rt5640_hw_params, | |
88 | }; | |
89 | ||
90 | static int haswell_rtd_init(struct snd_soc_pcm_runtime *rtd) | |
91 | { | |
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92 | struct sst_pdata *pdata = dev_get_platdata(rtd->platform->dev); |
93 | struct sst_hsw *haswell = pdata->dsp; | |
94 | int ret; | |
95 | ||
96 | /* Set ADSP SSP port settings */ | |
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 | ||
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105 | return 0; |
106 | } | |
107 | ||
108 | static struct snd_soc_dai_link haswell_rt5640_dais[] = { | |
109 | /* Front End DAI links */ | |
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 | /* Back End DAI links */ | |
168 | { | |
169 | /* SSP0 - Codec */ | |
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 | /* audio machine driver for Haswell Lynxpoint DSP + RT5640 */ | |
189 | static 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 | ||
201 | static int haswell_audio_probe(struct platform_device *pdev) | |
202 | { | |
203 | haswell_rt5640.dev = &pdev->dev; | |
204 | ||
8eb776ab | 205 | return devm_snd_soc_register_card(&pdev->dev, &haswell_rt5640); |
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206 | } |
207 | ||
208 | static struct platform_driver haswell_audio = { | |
209 | .probe = haswell_audio_probe, | |
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210 | .driver = { |
211 | .name = "haswell-audio", | |
212 | .owner = THIS_MODULE, | |
213 | }, | |
214 | }; | |
215 | ||
216 | module_platform_driver(haswell_audio) | |
217 | ||
218 | /* Module information */ | |
219 | MODULE_AUTHOR("Liam Girdwood, Xingchao Wang"); | |
220 | MODULE_DESCRIPTION("Intel SST Audio for Haswell Lynxpoint"); | |
221 | MODULE_LICENSE("GPL v2"); | |
222 | MODULE_ALIAS("platform:haswell-audio"); |