| /* |
| * 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-audio", |
| .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 __devinit 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 __devexit 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 = __devexit_p(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"); |