projects / deliverable / linux.git / blame
| Commit | Line | Data |
|---|---|---|
| 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; | |
| 119 | ret = snd_soc_register_card(&brownstone); | |
| 120 | if (ret) | |
| 121 | dev_err(&pdev->dev, "snd_soc_register_card() failed: %d\n", | |
| 122 | ret); | |
| 123 | return ret; | |
| 124 | } | |
| 125 | ||
| 570f6fe1 | 126 | static int brownstone_remove(struct platform_device *pdev) |
| 5ebf20ae ZG |
127 | { |
| 128 | snd_soc_unregister_card(&brownstone); | |
| 129 | return 0; | |
| 130 | } | |
| 131 | ||
| 132 | static struct platform_driver mmp_driver = { | |
| 133 | .driver = { | |
| 134 | .name = "brownstone-audio", | |
| 7db1698f | 135 | .pm = &snd_soc_pm_ops, |
| 5ebf20ae ZG |
136 | }, |
| 137 | .probe = brownstone_probe, | |
| 570f6fe1 | 138 | .remove = brownstone_remove, |
| 5ebf20ae ZG |
139 | }; |
| 140 | ||
| 141 | module_platform_driver(mmp_driver); | |
| 142 | ||
| 143 | MODULE_AUTHOR("Leo Yan <leoy@marvell.com>"); | |
| 144 | MODULE_DESCRIPTION("ALSA SoC Brownstone"); | |
| 145 | MODULE_LICENSE("GPL"); |