Loading...
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 171 172 173 174 175 176 177 178 179 180 181 182 183 184 185 186 187 188 189 190 191 192 193 194 195 196 197 198 199 200 201 202 203 204 205 206 207 208 209 210 211 212 213 214 215 216 217 218 219 220 221 222 223 224 | /* * Lowland audio support * * Copyright 2011 Wolfson Microelectronics * * This program is free software; you can redistribute it and/or modify it * under the terms of the GNU General Public License as published by the * Free Software Foundation; either version 2 of the License, or (at your * option) any later version. */ #include <sound/soc.h> #include <sound/soc-dapm.h> #include <sound/jack.h> #include <linux/gpio.h> #include <linux/module.h> #include "../codecs/wm5100.h" #include "../codecs/wm9081.h" #define MCLK1_RATE (44100 * 512) #define CLKOUT_RATE (44100 * 256) static struct snd_soc_jack lowland_headset; /* Headset jack detection DAPM pins */ static struct snd_soc_jack_pin lowland_headset_pins[] = { { .pin = "Headphone", .mask = SND_JACK_HEADPHONE | SND_JACK_LINEOUT, }, { .pin = "Headset Mic", .mask = SND_JACK_MICROPHONE, }, }; static int lowland_wm5100_init(struct snd_soc_pcm_runtime *rtd) { struct snd_soc_codec *codec = rtd->codec; int ret; ret = snd_soc_codec_set_sysclk(codec, WM5100_CLK_SYSCLK, WM5100_CLKSRC_MCLK1, MCLK1_RATE, SND_SOC_CLOCK_IN); if (ret < 0) { pr_err("Failed to set SYSCLK clock source: %d\n", ret); return ret; } /* Clock OPCLK, used by the other audio components. */ ret = snd_soc_codec_set_sysclk(codec, WM5100_CLK_OPCLK, 0, CLKOUT_RATE, 0); if (ret < 0) { pr_err("Failed to set OPCLK rate: %d\n", ret); return ret; } ret = snd_soc_jack_new(codec, "Headset", SND_JACK_LINEOUT | SND_JACK_HEADSET | SND_JACK_BTN_0, &lowland_headset); if (ret) return ret; ret = snd_soc_jack_add_pins(&lowland_headset, ARRAY_SIZE(lowland_headset_pins), lowland_headset_pins); if (ret) return ret; wm5100_detect(codec, &lowland_headset); return 0; } static int lowland_wm9081_init(struct snd_soc_pcm_runtime *rtd) { struct snd_soc_codec *codec = rtd->codec; snd_soc_dapm_nc_pin(&codec->dapm, "LINEOUT"); /* At any time the WM9081 is active it will have this clock */ return snd_soc_codec_set_sysclk(codec, WM9081_SYSCLK_MCLK, 0, CLKOUT_RATE, 0); } static const struct snd_soc_pcm_stream sub_params = { .formats = SNDRV_PCM_FMTBIT_S32_LE, .rate_min = 44100, .rate_max = 44100, .channels_min = 2, .channels_max = 2, }; static struct snd_soc_dai_link lowland_dai[] = { { .name = "CPU", .stream_name = "CPU", .cpu_dai_name = "samsung-i2s.0", .codec_dai_name = "wm5100-aif1", .platform_name = "samsung-i2s.0", .codec_name = "wm5100.1-001a", .dai_fmt = SND_SOC_DAIFMT_I2S | SND_SOC_DAIFMT_NB_NF | SND_SOC_DAIFMT_CBM_CFM, .init = lowland_wm5100_init, }, { .name = "Baseband", .stream_name = "Baseband", .cpu_dai_name = "wm5100-aif2", .codec_dai_name = "wm1250-ev1", .codec_name = "wm1250-ev1.1-0027", .dai_fmt = SND_SOC_DAIFMT_I2S | SND_SOC_DAIFMT_NB_NF | SND_SOC_DAIFMT_CBM_CFM, .ignore_suspend = 1, }, { .name = "Sub Speaker", .stream_name = "Sub Speaker", .cpu_dai_name = "wm5100-aif3", .codec_dai_name = "wm9081-hifi", .codec_name = "wm9081.1-006c", .dai_fmt = SND_SOC_DAIFMT_I2S | SND_SOC_DAIFMT_NB_NF | SND_SOC_DAIFMT_CBM_CFM, .ignore_suspend = 1, .params = &sub_params, .init = lowland_wm9081_init, }, }; static struct snd_soc_codec_conf lowland_codec_conf[] = { { .dev_name = "wm9081.1-006c", .name_prefix = "Sub", }, }; static const struct snd_kcontrol_new controls[] = { SOC_DAPM_PIN_SWITCH("Main Speaker"), SOC_DAPM_PIN_SWITCH("Main DMIC"), SOC_DAPM_PIN_SWITCH("Main AMIC"), SOC_DAPM_PIN_SWITCH("WM1250 Input"), SOC_DAPM_PIN_SWITCH("WM1250 Output"), SOC_DAPM_PIN_SWITCH("Headphone"), }; static struct snd_soc_dapm_widget widgets[] = { SND_SOC_DAPM_HP("Headphone", NULL), SND_SOC_DAPM_MIC("Headset Mic", NULL), SND_SOC_DAPM_SPK("Main Speaker", NULL), SND_SOC_DAPM_MIC("Main AMIC", NULL), SND_SOC_DAPM_MIC("Main DMIC", NULL), }; static struct snd_soc_dapm_route audio_paths[] = { { "Sub IN1", NULL, "HPOUT2L" }, { "Sub IN2", NULL, "HPOUT2R" }, { "Main Speaker", NULL, "Sub SPKN" }, { "Main Speaker", NULL, "Sub SPKP" }, { "Main Speaker", NULL, "SPKDAT1" }, }; static struct snd_soc_card lowland = { .name = "Lowland", .owner = THIS_MODULE, .dai_link = lowland_dai, .num_links = ARRAY_SIZE(lowland_dai), .codec_conf = lowland_codec_conf, .num_configs = ARRAY_SIZE(lowland_codec_conf), .controls = controls, .num_controls = ARRAY_SIZE(controls), .dapm_widgets = widgets, .num_dapm_widgets = ARRAY_SIZE(widgets), .dapm_routes = audio_paths, .num_dapm_routes = ARRAY_SIZE(audio_paths), }; static int lowland_probe(struct platform_device *pdev) { struct snd_soc_card *card = &lowland; int ret; card->dev = &pdev->dev; ret = snd_soc_register_card(card); if (ret) { dev_err(&pdev->dev, "snd_soc_register_card() failed: %d\n", ret); return ret; } return 0; } static int lowland_remove(struct platform_device *pdev) { struct snd_soc_card *card = platform_get_drvdata(pdev); snd_soc_unregister_card(card); return 0; } static struct platform_driver lowland_driver = { .driver = { .name = "lowland", .owner = THIS_MODULE, .pm = &snd_soc_pm_ops, }, .probe = lowland_probe, .remove = lowland_remove, }; module_platform_driver(lowland_driver); MODULE_DESCRIPTION("Lowland audio support"); MODULE_AUTHOR("Mark Brown <broonie@opensource.wolfsonmicro.com>"); MODULE_LICENSE("GPL"); MODULE_ALIAS("platform:lowland"); |