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-rw-r--r--sound/soc/intel/boards/haswell.c209
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diff --git a/sound/soc/intel/boards/haswell.c b/sound/soc/intel/boards/haswell.c
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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 "../common/sst-dsp.h"
25#include "../haswell/sst-haswell-ipc.h"
26
27#include "../../codecs/rt5640.h"
28
29/* Haswell ULT platforms have a Headphone and Mic jack */
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 /* CODEC BE connections */
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 /* 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 params_set_format(params, SNDRV_PCM_FORMAT_S16_LE);
60 return 0;
61}
62
63static int haswell_rt5640_hw_params(struct snd_pcm_substream *substream,
64 struct snd_pcm_hw_params *params)
65{
66 struct snd_soc_pcm_runtime *rtd = substream->private_data;
67 struct snd_soc_dai *codec_dai = rtd->codec_dai;
68 int ret;
69
70 ret = snd_soc_dai_set_sysclk(codec_dai, RT5640_SCLK_S_MCLK, 12288000,
71 SND_SOC_CLOCK_IN);
72
73 if (ret < 0) {
74 dev_err(rtd->dev, "can't set codec sysclk configuration\n");
75 return ret;
76 }
77
78 /* set correct codec filter for DAI format and clock config */
79 snd_soc_update_bits(rtd->codec, 0x83, 0xffff, 0x8000);
80
81 return ret;
82}
83
84static struct snd_soc_ops haswell_rt5640_ops = {
85 .hw_params = haswell_rt5640_hw_params,
86};
87
88static int haswell_rtd_init(struct snd_soc_pcm_runtime *rtd)
89{
90 struct sst_pdata *pdata = dev_get_platdata(rtd->platform->dev);
91 struct sst_hsw *haswell = pdata->dsp;
92 int ret;
93
94 /* Set ADSP SSP port settings */
95 ret = sst_hsw_device_set_config(haswell, SST_HSW_DEVICE_SSP_0,
96 SST_HSW_DEVICE_MCLK_FREQ_24_MHZ,
97 SST_HSW_DEVICE_CLOCK_MASTER, 9);
98 if (ret < 0) {
99 dev_err(rtd->dev, "failed to set device config\n");
100 return ret;
101 }
102
103 return 0;
104}
105
106static struct snd_soc_dai_link haswell_rt5640_dais[] = {
107 /* Front End DAI links */
108 {
109 .name = "System",
110 .stream_name = "System Playback/Capture",
111 .cpu_dai_name = "System Pin",
112 .platform_name = "haswell-pcm-audio",
113 .dynamic = 1,
114 .codec_name = "snd-soc-dummy",
115 .codec_dai_name = "snd-soc-dummy-dai",
116 .init = haswell_rtd_init,
117 .trigger = {SND_SOC_DPCM_TRIGGER_POST, SND_SOC_DPCM_TRIGGER_POST},
118 .dpcm_playback = 1,
119 .dpcm_capture = 1,
120 },
121 {
122 .name = "Offload0",
123 .stream_name = "Offload0 Playback",
124 .cpu_dai_name = "Offload0 Pin",
125 .platform_name = "haswell-pcm-audio",
126 .dynamic = 1,
127 .codec_name = "snd-soc-dummy",
128 .codec_dai_name = "snd-soc-dummy-dai",
129 .trigger = {SND_SOC_DPCM_TRIGGER_POST, SND_SOC_DPCM_TRIGGER_POST},
130 .dpcm_playback = 1,
131 },
132 {
133 .name = "Offload1",
134 .stream_name = "Offload1 Playback",
135 .cpu_dai_name = "Offload1 Pin",
136 .platform_name = "haswell-pcm-audio",
137 .dynamic = 1,
138 .codec_name = "snd-soc-dummy",
139 .codec_dai_name = "snd-soc-dummy-dai",
140 .trigger = {SND_SOC_DPCM_TRIGGER_POST, SND_SOC_DPCM_TRIGGER_POST},
141 .dpcm_playback = 1,
142 },
143 {
144 .name = "Loopback",
145 .stream_name = "Loopback",
146 .cpu_dai_name = "Loopback Pin",
147 .platform_name = "haswell-pcm-audio",
148 .dynamic = 0,
149 .codec_name = "snd-soc-dummy",
150 .codec_dai_name = "snd-soc-dummy-dai",
151 .trigger = {SND_SOC_DPCM_TRIGGER_POST, SND_SOC_DPCM_TRIGGER_POST},
152 .dpcm_capture = 1,
153 },
154
155 /* Back End DAI links */
156 {
157 /* SSP0 - Codec */
158 .name = "Codec",
159 .be_id = 0,
160 .cpu_dai_name = "snd-soc-dummy-dai",
161 .platform_name = "snd-soc-dummy",
162 .no_pcm = 1,
163 .codec_name = "i2c-INT33CA:00",
164 .codec_dai_name = "rt5640-aif1",
165 .dai_fmt = SND_SOC_DAIFMT_I2S | SND_SOC_DAIFMT_NB_NF |
166 SND_SOC_DAIFMT_CBS_CFS,
167 .ignore_suspend = 1,
168 .ignore_pmdown_time = 1,
169 .be_hw_params_fixup = haswell_ssp0_fixup,
170 .ops = &haswell_rt5640_ops,
171 .dpcm_playback = 1,
172 .dpcm_capture = 1,
173 },
174};
175
176/* audio machine driver for Haswell Lynxpoint DSP + RT5640 */
177static struct snd_soc_card haswell_rt5640 = {
178 .name = "haswell-rt5640",
179 .owner = THIS_MODULE,
180 .dai_link = haswell_rt5640_dais,
181 .num_links = ARRAY_SIZE(haswell_rt5640_dais),
182 .dapm_widgets = haswell_widgets,
183 .num_dapm_widgets = ARRAY_SIZE(haswell_widgets),
184 .dapm_routes = haswell_rt5640_map,
185 .num_dapm_routes = ARRAY_SIZE(haswell_rt5640_map),
186 .fully_routed = true,
187};
188
189static int haswell_audio_probe(struct platform_device *pdev)
190{
191 haswell_rt5640.dev = &pdev->dev;
192
193 return devm_snd_soc_register_card(&pdev->dev, &haswell_rt5640);
194}
195
196static struct platform_driver haswell_audio = {
197 .probe = haswell_audio_probe,
198 .driver = {
199 .name = "haswell-audio",
200 },
201};
202
203module_platform_driver(haswell_audio)
204
205/* Module information */
206MODULE_AUTHOR("Liam Girdwood, Xingchao Wang");
207MODULE_DESCRIPTION("Intel SST Audio for Haswell Lynxpoint");
208MODULE_LICENSE("GPL v2");
209MODULE_ALIAS("platform:haswell-audio");
generated by cgit v1.2.2 (git 2.25.0) at 2025-11-13 14:12:11 -0500