1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
|
// SPDX-License-Identifier: GPL-2.0-only
/*
* Sound card driver for Intel Haswell Lynx Point with Realtek 5640
*
* Copyright (C) 2013, Intel Corporation. All rights reserved.
*/
#include <linux/module.h>
#include <linux/platform_device.h>
#include <sound/core.h>
#include <sound/pcm.h>
#include <sound/pcm_params.h>
#include <sound/soc.h>
#include <sound/soc-acpi.h>
#include "../../codecs/rt5640.h"
static const struct snd_soc_dapm_widget card_widgets[] = {
SND_SOC_DAPM_HP("Headphones", NULL),
SND_SOC_DAPM_MIC("Mic", NULL),
};
static const struct snd_soc_dapm_route card_routes[] = {
{"Headphones", NULL, "HPOR"},
{"Headphones", NULL, "HPOL"},
{"IN2P", NULL, "Mic"},
/* CODEC BE connections */
{"SSP0 CODEC IN", NULL, "AIF1 Capture"},
{"AIF1 Playback", NULL, "SSP0 CODEC OUT"},
};
static int codec_link_hw_params_fixup(struct snd_soc_pcm_runtime *rtd,
struct snd_pcm_hw_params *params)
{
struct snd_interval *channels = hw_param_interval(params, SNDRV_PCM_HW_PARAM_CHANNELS);
struct snd_interval *rate = hw_param_interval(params, SNDRV_PCM_HW_PARAM_RATE);
/* The ADSP will convert the FE rate to 48k, stereo. */
rate->min = rate->max = 48000;
channels->min = channels->max = 2;
/* Set SSP0 to 16 bit. */
params_set_format(params, SNDRV_PCM_FORMAT_S16_LE);
return 0;
}
static int codec_link_hw_params(struct snd_pcm_substream *substream,
struct snd_pcm_hw_params *params)
{
struct snd_soc_pcm_runtime *rtd = snd_soc_substream_to_rtd(substream);
struct snd_soc_dai *codec_dai = snd_soc_rtd_to_codec(rtd, 0);
int ret;
ret = snd_soc_dai_set_sysclk(codec_dai, RT5640_SCLK_S_MCLK, 12288000, SND_SOC_CLOCK_IN);
if (ret < 0) {
dev_err(rtd->dev, "set codec sysclk failed: %d\n", ret);
return ret;
}
/* Set correct codec filter for DAI format and clock config. */
snd_soc_component_update_bits(codec_dai->component, 0x83, 0xffff, 0x8000);
return ret;
}
static const struct snd_soc_ops codec_link_ops = {
.hw_params = codec_link_hw_params,
};
SND_SOC_DAILINK_DEF(system, DAILINK_COMP_ARRAY(COMP_CPU("System Pin")));
SND_SOC_DAILINK_DEF(offload0, DAILINK_COMP_ARRAY(COMP_CPU("Offload0 Pin")));
SND_SOC_DAILINK_DEF(offload1, DAILINK_COMP_ARRAY(COMP_CPU("Offload1 Pin")));
SND_SOC_DAILINK_DEF(loopback, DAILINK_COMP_ARRAY(COMP_CPU("Loopback Pin")));
SND_SOC_DAILINK_DEF(dummy, DAILINK_COMP_ARRAY(COMP_DUMMY()));
SND_SOC_DAILINK_DEF(codec, DAILINK_COMP_ARRAY(COMP_CODEC("i2c-INT33CA:00", "rt5640-aif1")));
SND_SOC_DAILINK_DEF(platform, DAILINK_COMP_ARRAY(COMP_PLATFORM("haswell-pcm-audio")));
SND_SOC_DAILINK_DEF(ssp0_port, DAILINK_COMP_ARRAY(COMP_CPU("ssp0-port")));
static struct snd_soc_dai_link card_dai_links[] = {
/* Front End DAI links */
{
.name = "System",
.stream_name = "System Playback/Capture",
.nonatomic = 1,
.dynamic = 1,
.trigger = {SND_SOC_DPCM_TRIGGER_POST, SND_SOC_DPCM_TRIGGER_POST},
.dpcm_playback = 1,
.dpcm_capture = 1,
SND_SOC_DAILINK_REG(system, dummy, platform),
},
{
.name = "Offload0",
.stream_name = "Offload0 Playback",
.nonatomic = 1,
.dynamic = 1,
.trigger = {SND_SOC_DPCM_TRIGGER_POST, SND_SOC_DPCM_TRIGGER_POST},
.dpcm_playback = 1,
SND_SOC_DAILINK_REG(offload0, dummy, platform),
},
{
.name = "Offload1",
.stream_name = "Offload1 Playback",
.nonatomic = 1,
.dynamic = 1,
.trigger = {SND_SOC_DPCM_TRIGGER_POST, SND_SOC_DPCM_TRIGGER_POST},
.dpcm_playback = 1,
SND_SOC_DAILINK_REG(offload1, dummy, platform),
},
{
.name = "Loopback",
.stream_name = "Loopback",
.nonatomic = 1,
.dynamic = 1,
.trigger = {SND_SOC_DPCM_TRIGGER_POST, SND_SOC_DPCM_TRIGGER_POST},
.dpcm_capture = 1,
SND_SOC_DAILINK_REG(loopback, dummy, platform),
},
/* Back End DAI links */
{
/* SSP0 - Codec */
.name = "Codec",
.id = 0,
.nonatomic = 1,
.no_pcm = 1,
.dai_fmt = SND_SOC_DAIFMT_I2S | SND_SOC_DAIFMT_NB_NF | SND_SOC_DAIFMT_CBC_CFC,
.ignore_pmdown_time = 1,
.be_hw_params_fixup = codec_link_hw_params_fixup,
.ops = &codec_link_ops,
.dpcm_playback = 1,
.dpcm_capture = 1,
SND_SOC_DAILINK_REG(ssp0_port, codec, platform),
},
};
static struct snd_soc_card hsw_rt5640_card = {
.name = "haswell-rt5640",
.owner = THIS_MODULE,
.dai_link = card_dai_links,
.num_links = ARRAY_SIZE(card_dai_links),
.dapm_widgets = card_widgets,
.num_dapm_widgets = ARRAY_SIZE(card_widgets),
.dapm_routes = card_routes,
.num_dapm_routes = ARRAY_SIZE(card_routes),
.fully_routed = true,
};
static int hsw_rt5640_probe(struct platform_device *pdev)
{
struct snd_soc_acpi_mach *mach;
struct device *dev = &pdev->dev;
int ret;
hsw_rt5640_card.dev = dev;
mach = dev_get_platdata(dev);
ret = snd_soc_fixup_dai_links_platform_name(&hsw_rt5640_card, mach->mach_params.platform);
if (ret)
return ret;
return devm_snd_soc_register_card(dev, &hsw_rt5640_card);
}
static struct platform_driver hsw_rt5640_driver = {
.probe = hsw_rt5640_probe,
.driver = {
.name = "hsw_rt5640",
.pm = &snd_soc_pm_ops,
},
};
module_platform_driver(hsw_rt5640_driver)
MODULE_AUTHOR("Liam Girdwood, Xingchao Wang");
MODULE_DESCRIPTION("Sound card driver for Intel Haswell Lynx Point with Realtek 5640");
MODULE_LICENSE("GPL");
MODULE_ALIAS("platform:hsw_rt5640");
|
