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
|
// SPDX-License-Identifier: GPL-2.0
// Copyright (c) 2022, Linaro Limited
#include <linux/module.h>
#include <linux/platform_device.h>
#include <linux/of_device.h>
#include <sound/soc.h>
#include <sound/soc-dapm.h>
#include <sound/pcm.h>
#include <linux/soundwire/sdw.h>
#include <sound/jack.h>
#include <linux/input-event-codes.h>
#include "qdsp6/q6afe.h"
#include "common.h"
#include "sdw.h"
#define DRIVER_NAME "sc8280xp"
struct sc8280xp_snd_data {
bool stream_prepared[AFE_PORT_MAX];
struct snd_soc_card *card;
struct sdw_stream_runtime *sruntime[AFE_PORT_MAX];
struct snd_soc_jack jack;
bool jack_setup;
};
static int sc8280xp_snd_init(struct snd_soc_pcm_runtime *rtd)
{
struct sc8280xp_snd_data *data = snd_soc_card_get_drvdata(rtd->card);
return qcom_snd_wcd_jack_setup(rtd, &data->jack, &data->jack_setup);
}
static int sc8280xp_be_hw_params_fixup(struct snd_soc_pcm_runtime *rtd,
struct snd_pcm_hw_params *params)
{
struct snd_soc_dai *cpu_dai = asoc_rtd_to_cpu(rtd, 0);
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);
rate->min = rate->max = 48000;
channels->min = 2;
channels->max = 2;
switch (cpu_dai->id) {
case TX_CODEC_DMA_TX_0:
case TX_CODEC_DMA_TX_1:
case TX_CODEC_DMA_TX_2:
case TX_CODEC_DMA_TX_3:
channels->min = 1;
break;
default:
break;
}
return 0;
}
static int sc8280xp_snd_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 *cpu_dai = asoc_rtd_to_cpu(rtd, 0);
struct sc8280xp_snd_data *pdata = snd_soc_card_get_drvdata(rtd->card);
return qcom_snd_sdw_hw_params(substream, params, &pdata->sruntime[cpu_dai->id]);
}
static int sc8280xp_snd_prepare(struct snd_pcm_substream *substream)
{
struct snd_soc_pcm_runtime *rtd = substream->private_data;
struct snd_soc_dai *cpu_dai = asoc_rtd_to_cpu(rtd, 0);
struct sc8280xp_snd_data *data = snd_soc_card_get_drvdata(rtd->card);
struct sdw_stream_runtime *sruntime = data->sruntime[cpu_dai->id];
return qcom_snd_sdw_prepare(substream, sruntime,
&data->stream_prepared[cpu_dai->id]);
}
static int sc8280xp_snd_hw_free(struct snd_pcm_substream *substream)
{
struct snd_soc_pcm_runtime *rtd = substream->private_data;
struct sc8280xp_snd_data *data = snd_soc_card_get_drvdata(rtd->card);
struct snd_soc_dai *cpu_dai = asoc_rtd_to_cpu(rtd, 0);
struct sdw_stream_runtime *sruntime = data->sruntime[cpu_dai->id];
return qcom_snd_sdw_hw_free(substream, sruntime,
&data->stream_prepared[cpu_dai->id]);
}
static const struct snd_soc_ops sc8280xp_be_ops = {
.hw_params = sc8280xp_snd_hw_params,
.hw_free = sc8280xp_snd_hw_free,
.prepare = sc8280xp_snd_prepare,
};
static void sc8280xp_add_be_ops(struct snd_soc_card *card)
{
struct snd_soc_dai_link *link;
int i;
for_each_card_prelinks(card, i, link) {
if (link->no_pcm == 1) {
link->init = sc8280xp_snd_init;
link->be_hw_params_fixup = sc8280xp_be_hw_params_fixup;
link->ops = &sc8280xp_be_ops;
}
}
}
static int sc8280xp_platform_probe(struct platform_device *pdev)
{
struct snd_soc_card *card;
struct sc8280xp_snd_data *data;
struct device *dev = &pdev->dev;
int ret;
card = devm_kzalloc(dev, sizeof(*card), GFP_KERNEL);
if (!card)
return -ENOMEM;
card->owner = THIS_MODULE;
/* Allocate the private data */
data = devm_kzalloc(dev, sizeof(*data), GFP_KERNEL);
if (!data)
return -ENOMEM;
card->dev = dev;
dev_set_drvdata(dev, card);
snd_soc_card_set_drvdata(card, data);
ret = qcom_snd_parse_of(card);
if (ret)
return ret;
card->driver_name = DRIVER_NAME;
sc8280xp_add_be_ops(card);
return devm_snd_soc_register_card(dev, card);
}
static const struct of_device_id snd_sc8280xp_dt_match[] = {
{.compatible = "qcom,sc8280xp-sndcard",},
{}
};
MODULE_DEVICE_TABLE(of, snd_sc8280xp_dt_match);
static struct platform_driver snd_sc8280xp_driver = {
.probe = sc8280xp_platform_probe,
.driver = {
.name = "snd-sc8280xp",
.of_match_table = snd_sc8280xp_dt_match,
},
};
module_platform_driver(snd_sc8280xp_driver);
MODULE_AUTHOR("Srinivas Kandagatla <srinivas.kandagatla@linaro.org");
MODULE_DESCRIPTION("SC8280XP ASoC Machine Driver");
MODULE_LICENSE("GPL v2");
|
