tjh.dev
Linux kernel mirror (for testing)
git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
kernel
os
linux
ASoC: apq8096: add slim support
Signed-off-by: Srinivas Kandagatla <srinivas.kandagatla@linaro.org>
Signed-off-by: Mark Brown <broonie@kernel.org>
authored by
Srinivas Kandagatla
and committed by
Mark Brown
9f11d233
93f97ff1
+70
-1
+70
-1
sound/soc/qcom/apq8096.c
+70
-1
sound/soc/qcom/apq8096.c
···
9
9
#include <sound/pcm.h>
10
10
#include "common.h"
11
11
12
+
#define SLIM_MAX_TX_PORTS 16
13
+
#define SLIM_MAX_RX_PORTS 16
14
+
#define WCD9335_DEFAULT_MCLK_RATE 9600000
15
+
12
16
static int apq8096_be_hw_params_fixup(struct snd_soc_pcm_runtime *rtd,
13
17
struct snd_pcm_hw_params *params)
14
18
{
···
27
23
return 0;
28
24
}
29
25
26
+
static int msm_snd_hw_params(struct snd_pcm_substream *substream,
27
+
struct snd_pcm_hw_params *params)
28
+
{
29
+
struct snd_soc_pcm_runtime *rtd = substream->private_data;
30
+
struct snd_soc_dai *codec_dai = rtd->codec_dai;
31
+
struct snd_soc_dai *cpu_dai = rtd->cpu_dai;
32
+
u32 rx_ch[SLIM_MAX_RX_PORTS], tx_ch[SLIM_MAX_TX_PORTS];
33
+
u32 rx_ch_cnt = 0, tx_ch_cnt = 0;
34
+
int ret = 0;
35
+
36
+
ret = snd_soc_dai_get_channel_map(codec_dai,
37
+
&tx_ch_cnt, tx_ch, &rx_ch_cnt, rx_ch);
38
+
if (ret != 0 && ret != -ENOTSUPP) {
39
+
pr_err("failed to get codec chan map, err:%d\n", ret);
40
+
goto end;
41
+
} else if (ret == -ENOTSUPP) {
42
+
return 0;
43
+
}
44
+
45
+
if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK)
46
+
ret = snd_soc_dai_set_channel_map(cpu_dai, 0, NULL,
47
+
rx_ch_cnt, rx_ch);
48
+
else
49
+
ret = snd_soc_dai_set_channel_map(cpu_dai, tx_ch_cnt, tx_ch,
50
+
0, NULL);
51
+
if (ret != 0 && ret != -ENOTSUPP)
52
+
pr_err("Failed to set cpu chan map, err:%d\n", ret);
53
+
else if (ret == -ENOTSUPP)
54
+
ret = 0;
55
+
end:
56
+
return ret;
57
+
}
58
+
59
+
static struct snd_soc_ops apq8096_ops = {
60
+
.hw_params = msm_snd_hw_params,
61
+
};
62
+
63
+
static int apq8096_init(struct snd_soc_pcm_runtime *rtd)
64
+
{
65
+
struct snd_soc_dai *codec_dai = rtd->codec_dai;
66
+
67
+
/*
68
+
* Codec SLIMBUS configuration
69
+
* RX1, RX2, RX3, RX4, RX5, RX6, RX7, RX8, RX9, RX10, RX11, RX12, RX13
70
+
* TX1, TX2, TX3, TX4, TX5, TX6, TX7, TX8, TX9, TX10, TX11, TX12, TX13
71
+
* TX14, TX15, TX16
72
+
*/
73
+
unsigned int rx_ch[SLIM_MAX_RX_PORTS] = {144, 145, 146, 147, 148, 149,
74
+
150, 151, 152, 153, 154, 155, 156};
75
+
unsigned int tx_ch[SLIM_MAX_TX_PORTS] = {128, 129, 130, 131, 132, 133,
76
+
134, 135, 136, 137, 138, 139,
77
+
140, 141, 142, 143};
78
+
79
+
snd_soc_dai_set_channel_map(codec_dai, ARRAY_SIZE(tx_ch),
80
+
tx_ch, ARRAY_SIZE(rx_ch), rx_ch);
81
+
82
+
snd_soc_dai_set_sysclk(codec_dai, 0, WCD9335_DEFAULT_MCLK_RATE,
83
+
SNDRV_PCM_STREAM_PLAYBACK);
84
+
85
+
return 0;
86
+
}
87
+
30
88
static void apq8096_add_be_ops(struct snd_soc_card *card)
31
89
{
32
90
struct snd_soc_dai_link *link;
33
91
int i;
34
92
35
93
for_each_card_prelinks(card, i, link) {
36
-
if (link->no_pcm == 1)
94
+
if (link->no_pcm == 1) {
37
95
link->be_hw_params_fixup = apq8096_be_hw_params_fixup;
96
+
link->init = apq8096_init;
97
+
link->ops = &apq8096_ops;
98
+
}
38
99
}
39
100
}
40
101