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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 | ||
48 | static 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 | ||
5ebf20ae ZG |
53 | /* set endpoints to not connected */ |
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 | ||
5ebf20ae ZG |
68 | return 0; |
69 | } | |
70 | ||
71 | static 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 | /* set wm8994 sysclk */ | |
97 | snd_soc_dai_set_sysclk(codec_dai, WM8994_SYSCLK_MCLK1, sysclk, 0); | |
98 | ||
99 | return 0; | |
100 | } | |
101 | ||
102 | /* machine stream operations */ | |
103 | static struct snd_soc_ops brownstone_ops = { | |
104 | .hw_params = brownstone_wm8994_hw_params, | |
105 | }; | |
106 | ||
107 | static 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 | /* audio machine driver */ | |
123 | static struct snd_soc_card brownstone = { | |
124 | .name = "brownstone", | |
0d617866 | 125 | .owner = THIS_MODULE, |
5ebf20ae ZG |
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 | ||
570f6fe1 | 137 | static int brownstone_probe(struct platform_device *pdev) |
5ebf20ae ZG |
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 | ||
570f6fe1 | 149 | static int brownstone_remove(struct platform_device *pdev) |
5ebf20ae ZG |
150 | { |
151 | snd_soc_unregister_card(&brownstone); | |
152 | return 0; | |
153 | } | |
154 | ||
155 | static struct platform_driver mmp_driver = { | |
156 | .driver = { | |
157 | .name = "brownstone-audio", | |
7db1698f | 158 | .pm = &snd_soc_pm_ops, |
5ebf20ae ZG |
159 | }, |
160 | .probe = brownstone_probe, | |
570f6fe1 | 161 | .remove = brownstone_remove, |
5ebf20ae ZG |
162 | }; |
163 | ||
164 | module_platform_driver(mmp_driver); | |
165 | ||
166 | MODULE_AUTHOR("Leo Yan <leoy@marvell.com>"); | |
167 | MODULE_DESCRIPTION("ALSA SoC Brownstone"); | |
168 | MODULE_LICENSE("GPL"); |