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
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
|
// SPDX-License-Identifier: GPL-2.0-only
/*
* Intel Haswell Lynxpoint SST Audio
*
* 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/soc.h>
#include <sound/soc-acpi.h>
#include <sound/pcm_params.h>
#include "../common/sst-dsp.h"
#include "../haswell/sst-haswell-ipc.h"
#include "../../codecs/rt5640.h"
/* Haswell ULT platforms have a Headphone and Mic jack */
static const struct snd_soc_dapm_widget haswell_widgets[] = {
SND_SOC_DAPM_HP("Headphones", NULL),
SND_SOC_DAPM_MIC("Mic", NULL),
};
static const struct snd_soc_dapm_route haswell_rt5640_map[] = {
{"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 haswell_ssp0_fixup(struct snd_soc_pcm_runtime *rtd,
struct snd_pcm_hw_params *params)
{
struct snd_interval *rate = hw_param_interval(params,
SNDRV_PCM_HW_PARAM_RATE);
struct snd_interval *channels = hw_param_interval(params,
SNDRV_PCM_HW_PARAM_CHANNELS);
/* The ADSP will covert 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 haswell_rt5640_hw_params(struct snd_pcm_substream *substream,
struct snd_pcm_hw_params *params)
{
struct snd_soc_pcm_runtime *rtd = substream->private_data;
struct snd_soc_dai *codec_dai = rtd->codec_dai;
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, "can't set codec sysclk configuration\n");
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 haswell_rt5640_ops = {
.hw_params = haswell_rt5640_hw_params,
};
static int haswell_rtd_init(struct snd_soc_pcm_runtime *rtd)
{
struct snd_soc_component *component = snd_soc_rtdcom_lookup(rtd, DRV_NAME);
struct sst_pdata *pdata = dev_get_platdata(component->dev);
struct sst_hsw *haswell = pdata->dsp;
int ret;
/* Set ADSP SSP port settings */
ret = sst_hsw_device_set_config(haswell, SST_HSW_DEVICE_SSP_0,
SST_HSW_DEVICE_MCLK_FREQ_24_MHZ,
SST_HSW_DEVICE_CLOCK_MASTER, 9);
if (ret < 0) {
dev_err(rtd->dev, "failed to set device config\n");
return ret;
}
return 0;
}
SND_SOC_DAILINK_DEF(dummy,
DAILINK_COMP_ARRAY(COMP_DUMMY()));
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(codec,
DAILINK_COMP_ARRAY(COMP_CODEC("i2c-INT33CA:00", "rt5640-aif1")));
SND_SOC_DAILINK_DEF(platform,
DAILINK_COMP_ARRAY(COMP_PLATFORM("haswell-pcm-audio")));
static struct snd_soc_dai_link haswell_rt5640_dais[] = {
/* Front End DAI links */
{
.name = "System",
.stream_name = "System Playback/Capture",
.dynamic = 1,
.init = haswell_rtd_init,
.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",
.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",
.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",
.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,
.no_pcm = 1,
.dai_fmt = SND_SOC_DAIFMT_I2S | SND_SOC_DAIFMT_NB_NF |
SND_SOC_DAIFMT_CBS_CFS,
.ignore_suspend = 1,
.ignore_pmdown_time = 1,
.be_hw_params_fixup = haswell_ssp0_fixup,
.ops = &haswell_rt5640_ops,
.dpcm_playback = 1,
.dpcm_capture = 1,
SND_SOC_DAILINK_REG(dummy, codec, dummy),
},
};
/* audio machine driver for Haswell Lynxpoint DSP + RT5640 */
static struct snd_soc_card haswell_rt5640 = {
.name = "haswell-rt5640",
.owner = THIS_MODULE,
.dai_link = haswell_rt5640_dais,
.num_links = ARRAY_SIZE(haswell_rt5640_dais),
.dapm_widgets = haswell_widgets,
.num_dapm_widgets = ARRAY_SIZE(haswell_widgets),
.dapm_routes = haswell_rt5640_map,
.num_dapm_routes = ARRAY_SIZE(haswell_rt5640_map),
.fully_routed = true,
};
static int haswell_audio_probe(struct platform_device *pdev)
{
struct snd_soc_acpi_mach *mach;
const char *platform_name = NULL;
int ret;
haswell_rt5640.dev = &pdev->dev;
/* override plaform name, if required */
mach = (&pdev->dev)->platform_data;
if (mach) /* extra check since legacy does not pass parameters */
platform_name = mach->mach_params.platform;
ret = snd_soc_fixup_dai_links_platform_name(&haswell_rt5640,
platform_name);
if (ret)
return ret;
return devm_snd_soc_register_card(&pdev->dev, &haswell_rt5640);
}
static struct platform_driver haswell_audio = {
.probe = haswell_audio_probe,
.driver = {
.name = "haswell-audio",
},
};
module_platform_driver(haswell_audio)
/* Module information */
MODULE_AUTHOR("Liam Girdwood, Xingchao Wang");
MODULE_DESCRIPTION("Intel SST Audio for Haswell Lynxpoint");
MODULE_LICENSE("GPL v2");
MODULE_ALIAS("platform:haswell-audio");
|
