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5ebf20ae ZG |
1 | /* |
2 | * linux/sound/soc/pxa/brownstone.c | |
3 | * | |
4 | * Copyright (C) 2011 Marvell International Ltd. | |
5 | * | |
6 | * This program is free software; you can redistribute it and/or modify | |
7 | * it under the terms of the GNU General Public License as published by | |
8 | * the Free Software Foundation; either version 2 of the License, or | |
9 | * (at your option) any later version. | |
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 | ||
22 | static const struct snd_kcontrol_new brownstone_dapm_control[] = { | |
23 | SOC_DAPM_PIN_SWITCH("Ext Spk"), | |
24 | }; | |
25 | ||
26 | static 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 | ||
33 | static 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 | ||
5ebf20ae ZG |
48 | static int brownstone_wm8994_hw_params(struct snd_pcm_substream *substream, |
49 | struct snd_pcm_hw_params *params) | |
50 | { | |
51 | struct snd_soc_pcm_runtime *rtd = substream->private_data; | |
52 | struct snd_soc_dai *codec_dai = rtd->codec_dai; | |
53 | struct snd_soc_dai *cpu_dai = rtd->cpu_dai; | |
54 | int freq_out, sspa_mclk, sysclk; | |
55 | int sspa_div; | |
56 | ||
57 | if (params_rate(params) > 11025) { | |
58 | freq_out = params_rate(params) * 512; | |
59 | sysclk = params_rate(params) * 256; | |
60 | sspa_mclk = params_rate(params) * 64; | |
61 | } else { | |
62 | freq_out = params_rate(params) * 1024; | |
63 | sysclk = params_rate(params) * 512; | |
64 | sspa_mclk = params_rate(params) * 64; | |
65 | } | |
66 | sspa_div = freq_out; | |
67 | do_div(sspa_div, sspa_mclk); | |
68 | ||
69 | snd_soc_dai_set_sysclk(cpu_dai, MMP_SSPA_CLK_AUDIO, freq_out, 0); | |
70 | snd_soc_dai_set_pll(cpu_dai, MMP_SYSCLK, 0, freq_out, sysclk); | |
71 | snd_soc_dai_set_pll(cpu_dai, MMP_SSPA_CLK, 0, freq_out, sspa_mclk); | |
72 | ||
73 | /* set wm8994 sysclk */ | |
74 | snd_soc_dai_set_sysclk(codec_dai, WM8994_SYSCLK_MCLK1, sysclk, 0); | |
75 | ||
76 | return 0; | |
77 | } | |
78 | ||
79 | /* machine stream operations */ | |
80 | static struct snd_soc_ops brownstone_ops = { | |
81 | .hw_params = brownstone_wm8994_hw_params, | |
82 | }; | |
83 | ||
84 | static struct snd_soc_dai_link brownstone_wm8994_dai[] = { | |
85 | { | |
86 | .name = "WM8994", | |
87 | .stream_name = "WM8994 HiFi", | |
88 | .cpu_dai_name = "mmp-sspa-dai.0", | |
89 | .codec_dai_name = "wm8994-aif1", | |
90 | .platform_name = "mmp-pcm-audio", | |
91 | .codec_name = "wm8994-codec", | |
92 | .dai_fmt = SND_SOC_DAIFMT_I2S | SND_SOC_DAIFMT_NB_NF | | |
93 | SND_SOC_DAIFMT_CBS_CFS, | |
94 | .ops = &brownstone_ops, | |
5ebf20ae ZG |
95 | }, |
96 | }; | |
97 | ||
98 | /* audio machine driver */ | |
99 | static struct snd_soc_card brownstone = { | |
100 | .name = "brownstone", | |
0d617866 | 101 | .owner = THIS_MODULE, |
5ebf20ae ZG |
102 | .dai_link = brownstone_wm8994_dai, |
103 | .num_links = ARRAY_SIZE(brownstone_wm8994_dai), | |
104 | ||
105 | .controls = brownstone_dapm_control, | |
106 | .num_controls = ARRAY_SIZE(brownstone_dapm_control), | |
107 | .dapm_widgets = brownstone_dapm_widgets, | |
108 | .num_dapm_widgets = ARRAY_SIZE(brownstone_dapm_widgets), | |
109 | .dapm_routes = brownstone_audio_map, | |
110 | .num_dapm_routes = ARRAY_SIZE(brownstone_audio_map), | |
6b9aa50c | 111 | .fully_routed = true, |
5ebf20ae ZG |
112 | }; |
113 | ||
570f6fe1 | 114 | static int brownstone_probe(struct platform_device *pdev) |
5ebf20ae ZG |
115 | { |
116 | int ret; | |
117 | ||
118 | brownstone.dev = &pdev->dev; | |
2fd7076a | 119 | ret = devm_snd_soc_register_card(&pdev->dev, &brownstone); |
5ebf20ae ZG |
120 | if (ret) |
121 | dev_err(&pdev->dev, "snd_soc_register_card() failed: %d\n", | |
122 | ret); | |
123 | return ret; | |
124 | } | |
125 | ||
5ebf20ae ZG |
126 | static struct platform_driver mmp_driver = { |
127 | .driver = { | |
128 | .name = "brownstone-audio", | |
7db1698f | 129 | .pm = &snd_soc_pm_ops, |
5ebf20ae ZG |
130 | }, |
131 | .probe = brownstone_probe, | |
5ebf20ae ZG |
132 | }; |
133 | ||
134 | module_platform_driver(mmp_driver); | |
135 | ||
136 | MODULE_AUTHOR("Leo Yan <leoy@marvell.com>"); | |
137 | MODULE_DESCRIPTION("ALSA SoC Brownstone"); | |
138 | MODULE_LICENSE("GPL"); |