154 lines
4.5 KiB
C
154 lines
4.5 KiB
C
/*
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* linux/sound/soc/pxa/ttc_dkb.c
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*
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* Copyright (C) 2012 Marvell International Ltd.
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
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*
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*/
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#include <linux/module.h>
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#include <linux/moduleparam.h>
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#include <sound/core.h>
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#include <sound/pcm.h>
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#include <sound/soc.h>
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#include <sound/jack.h>
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#include <asm/mach-types.h>
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#include <sound/pcm_params.h>
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#include "../codecs/88pm860x-codec.h"
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static struct snd_soc_jack hs_jack, mic_jack;
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static struct snd_soc_jack_pin hs_jack_pins[] = {
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{ .pin = "Headset Stereophone", .mask = SND_JACK_HEADPHONE, },
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};
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static struct snd_soc_jack_pin mic_jack_pins[] = {
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{ .pin = "Headset Mic 2", .mask = SND_JACK_MICROPHONE, },
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};
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/* ttc machine dapm widgets */
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static const struct snd_soc_dapm_widget ttc_dapm_widgets[] = {
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SND_SOC_DAPM_HP("Headset Stereophone", NULL),
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SND_SOC_DAPM_LINE("Lineout Out 1", NULL),
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SND_SOC_DAPM_LINE("Lineout Out 2", NULL),
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SND_SOC_DAPM_SPK("Ext Speaker", NULL),
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SND_SOC_DAPM_MIC("Ext Mic 1", NULL),
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SND_SOC_DAPM_MIC("Headset Mic 2", NULL),
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SND_SOC_DAPM_MIC("Ext Mic 3", NULL),
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};
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/* ttc machine audio map */
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static const struct snd_soc_dapm_route ttc_audio_map[] = {
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{"Headset Stereophone", NULL, "HS1"},
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{"Headset Stereophone", NULL, "HS2"},
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{"Ext Speaker", NULL, "LSP"},
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{"Ext Speaker", NULL, "LSN"},
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{"Lineout Out 1", NULL, "LINEOUT1"},
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{"Lineout Out 2", NULL, "LINEOUT2"},
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{"MIC1P", NULL, "Mic1 Bias"},
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{"MIC1N", NULL, "Mic1 Bias"},
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{"Mic1 Bias", NULL, "Ext Mic 1"},
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{"MIC2P", NULL, "Mic1 Bias"},
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{"MIC2N", NULL, "Mic1 Bias"},
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{"Mic1 Bias", NULL, "Headset Mic 2"},
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{"MIC3P", NULL, "Mic3 Bias"},
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{"MIC3N", NULL, "Mic3 Bias"},
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{"Mic3 Bias", NULL, "Ext Mic 3"},
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};
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static int ttc_pm860x_init(struct snd_soc_pcm_runtime *rtd)
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{
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struct snd_soc_component *component = rtd->codec_dai->component;
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/* Headset jack detection */
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snd_soc_card_jack_new(rtd->card, "Headphone Jack", SND_JACK_HEADPHONE |
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SND_JACK_BTN_0 | SND_JACK_BTN_1 | SND_JACK_BTN_2,
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&hs_jack, hs_jack_pins, ARRAY_SIZE(hs_jack_pins));
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snd_soc_card_jack_new(rtd->card, "Microphone Jack", SND_JACK_MICROPHONE,
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&mic_jack, mic_jack_pins,
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ARRAY_SIZE(mic_jack_pins));
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/* headphone, microphone detection & headset short detection */
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pm860x_hs_jack_detect(component, &hs_jack, SND_JACK_HEADPHONE,
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SND_JACK_BTN_0, SND_JACK_BTN_1, SND_JACK_BTN_2);
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pm860x_mic_jack_detect(component, &hs_jack, SND_JACK_MICROPHONE);
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return 0;
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}
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/* ttc/td-dkb digital audio interface glue - connects codec <--> CPU */
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static struct snd_soc_dai_link ttc_pm860x_hifi_dai[] = {
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{
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.name = "88pm860x i2s",
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.stream_name = "audio playback",
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.codec_name = "88pm860x-codec",
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.platform_name = "mmp-pcm-audio",
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.cpu_dai_name = "pxa-ssp-dai.1",
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.codec_dai_name = "88pm860x-i2s",
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.dai_fmt = SND_SOC_DAIFMT_I2S | SND_SOC_DAIFMT_NB_NF |
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SND_SOC_DAIFMT_CBM_CFM,
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.init = ttc_pm860x_init,
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},
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};
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/* ttc/td audio machine driver */
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static struct snd_soc_card ttc_dkb_card = {
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.name = "ttc-dkb-hifi",
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.owner = THIS_MODULE,
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.dai_link = ttc_pm860x_hifi_dai,
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.num_links = ARRAY_SIZE(ttc_pm860x_hifi_dai),
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.dapm_widgets = ttc_dapm_widgets,
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.num_dapm_widgets = ARRAY_SIZE(ttc_dapm_widgets),
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.dapm_routes = ttc_audio_map,
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.num_dapm_routes = ARRAY_SIZE(ttc_audio_map),
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};
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static int ttc_dkb_probe(struct platform_device *pdev)
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{
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struct snd_soc_card *card = &ttc_dkb_card;
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int ret;
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card->dev = &pdev->dev;
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ret = devm_snd_soc_register_card(&pdev->dev, card);
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if (ret)
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dev_err(&pdev->dev, "snd_soc_register_card() failed: %d\n",
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ret);
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return ret;
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}
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static struct platform_driver ttc_dkb_driver = {
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.driver = {
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.name = "ttc-dkb-audio",
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.pm = &snd_soc_pm_ops,
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},
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.probe = ttc_dkb_probe,
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};
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module_platform_driver(ttc_dkb_driver);
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/* Module information */
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MODULE_AUTHOR("Qiao Zhou, <zhouqiao@marvell.com>");
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MODULE_DESCRIPTION("ALSA SoC TTC DKB");
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MODULE_LICENSE("GPL");
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MODULE_ALIAS("platform:ttc-dkb-audio");
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