1
2
3
4
5
6
7
8
9
10
11
12
13#include <linux/module.h>
14#include <sound/core.h>
15#include <sound/pcm.h>
16#include <sound/soc.h>
17#include <sound/jack.h>
18
19#include "../codecs/wm8994.h"
20#include "mmp-sspa.h"
21
22static const struct snd_kcontrol_new brownstone_dapm_control[] = {
23 SOC_DAPM_PIN_SWITCH("Ext Spk"),
24};
25
26static const struct snd_soc_dapm_widget brownstone_dapm_widgets[] = {
27 SND_SOC_DAPM_SPK("Ext Spk", NULL),
28 SND_SOC_DAPM_HP("Headset Stereophone", NULL),
29 SND_SOC_DAPM_MIC("Headset Mic", NULL),
30 SND_SOC_DAPM_MIC("Main Mic", NULL),
31};
32
33static const struct snd_soc_dapm_route brownstone_audio_map[] = {
34 {"Ext Spk", NULL, "SPKOUTLP"},
35 {"Ext Spk", NULL, "SPKOUTLN"},
36 {"Ext Spk", NULL, "SPKOUTRP"},
37 {"Ext Spk", NULL, "SPKOUTRN"},
38
39 {"Headset Stereophone", NULL, "HPOUT1L"},
40 {"Headset Stereophone", NULL, "HPOUT1R"},
41
42 {"IN1RN", NULL, "Headset Mic"},
43
44 {"DMIC1DAT", NULL, "MICBIAS1"},
45 {"MICBIAS1", NULL, "Main Mic"},
46};
47
48static int brownstone_wm8994_init(struct snd_soc_pcm_runtime *rtd)
49{
50 struct snd_soc_codec *codec = rtd->codec;
51 struct snd_soc_dapm_context *dapm = &codec->dapm;
52
53
54 snd_soc_dapm_nc_pin(dapm, "HPOUT2P");
55 snd_soc_dapm_nc_pin(dapm, "HPOUT2N");
56 snd_soc_dapm_nc_pin(dapm, "LINEOUT1N");
57 snd_soc_dapm_nc_pin(dapm, "LINEOUT1P");
58 snd_soc_dapm_nc_pin(dapm, "LINEOUT2N");
59 snd_soc_dapm_nc_pin(dapm, "LINEOUT2P");
60 snd_soc_dapm_nc_pin(dapm, "IN1LN");
61 snd_soc_dapm_nc_pin(dapm, "IN1LP");
62 snd_soc_dapm_nc_pin(dapm, "IN1RP");
63 snd_soc_dapm_nc_pin(dapm, "IN2LP:VXRN");
64 snd_soc_dapm_nc_pin(dapm, "IN2RN");
65 snd_soc_dapm_nc_pin(dapm, "IN2RP:VXRP");
66 snd_soc_dapm_nc_pin(dapm, "IN2LN");
67
68 return 0;
69}
70
71static int brownstone_wm8994_hw_params(struct snd_pcm_substream *substream,
72 struct snd_pcm_hw_params *params)
73{
74 struct snd_soc_pcm_runtime *rtd = substream->private_data;
75 struct snd_soc_dai *codec_dai = rtd->codec_dai;
76 struct snd_soc_dai *cpu_dai = rtd->cpu_dai;
77 int freq_out, sspa_mclk, sysclk;
78 int sspa_div;
79
80 if (params_rate(params) > 11025) {
81 freq_out = params_rate(params) * 512;
82 sysclk = params_rate(params) * 256;
83 sspa_mclk = params_rate(params) * 64;
84 } else {
85 freq_out = params_rate(params) * 1024;
86 sysclk = params_rate(params) * 512;
87 sspa_mclk = params_rate(params) * 64;
88 }
89 sspa_div = freq_out;
90 do_div(sspa_div, sspa_mclk);
91
92 snd_soc_dai_set_sysclk(cpu_dai, MMP_SSPA_CLK_AUDIO, freq_out, 0);
93 snd_soc_dai_set_pll(cpu_dai, MMP_SYSCLK, 0, freq_out, sysclk);
94 snd_soc_dai_set_pll(cpu_dai, MMP_SSPA_CLK, 0, freq_out, sspa_mclk);
95
96
97 snd_soc_dai_set_sysclk(codec_dai, WM8994_SYSCLK_MCLK1, sysclk, 0);
98
99 return 0;
100}
101
102
103static struct snd_soc_ops brownstone_ops = {
104 .hw_params = brownstone_wm8994_hw_params,
105};
106
107static struct snd_soc_dai_link brownstone_wm8994_dai[] = {
108{
109 .name = "WM8994",
110 .stream_name = "WM8994 HiFi",
111 .cpu_dai_name = "mmp-sspa-dai.0",
112 .codec_dai_name = "wm8994-aif1",
113 .platform_name = "mmp-pcm-audio",
114 .codec_name = "wm8994-codec",
115 .dai_fmt = SND_SOC_DAIFMT_I2S | SND_SOC_DAIFMT_NB_NF |
116 SND_SOC_DAIFMT_CBS_CFS,
117 .ops = &brownstone_ops,
118 .init = brownstone_wm8994_init,
119},
120};
121
122
123static struct snd_soc_card brownstone = {
124 .name = "brownstone",
125 .owner = THIS_MODULE,
126 .dai_link = brownstone_wm8994_dai,
127 .num_links = ARRAY_SIZE(brownstone_wm8994_dai),
128
129 .controls = brownstone_dapm_control,
130 .num_controls = ARRAY_SIZE(brownstone_dapm_control),
131 .dapm_widgets = brownstone_dapm_widgets,
132 .num_dapm_widgets = ARRAY_SIZE(brownstone_dapm_widgets),
133 .dapm_routes = brownstone_audio_map,
134 .num_dapm_routes = ARRAY_SIZE(brownstone_audio_map),
135};
136
137static int brownstone_probe(struct platform_device *pdev)
138{
139 int ret;
140
141 brownstone.dev = &pdev->dev;
142 ret = snd_soc_register_card(&brownstone);
143 if (ret)
144 dev_err(&pdev->dev, "snd_soc_register_card() failed: %d\n",
145 ret);
146 return ret;
147}
148
149static int brownstone_remove(struct platform_device *pdev)
150{
151 snd_soc_unregister_card(&brownstone);
152 return 0;
153}
154
155static struct platform_driver mmp_driver = {
156 .driver = {
157 .name = "brownstone-audio",
158 .owner = THIS_MODULE,
159 .pm = &snd_soc_pm_ops,
160 },
161 .probe = brownstone_probe,
162 .remove = brownstone_remove,
163};
164
165module_platform_driver(mmp_driver);
166
167MODULE_AUTHOR("Leo Yan <leoy@marvell.com>");
168MODULE_DESCRIPTION("ALSA SoC Brownstone");
169MODULE_LICENSE("GPL");
170
