2010-07-22 06:16:10 +00:00
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/*
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* goni_wm8994.c
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*
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* Copyright (C) 2010 Samsung Electronics Co.Ltd
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* Author: Chanwoo Choi <cw00.choi@samsung.com>
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*
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* This program is free software; you can redistribute it and/or modify it
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* under the terms of the GNU General Public License as published by the
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* Free Software Foundation; either version 2 of the License, or (at your
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* option) any later version.
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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 <linux/io.h>
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#include <linux/platform_device.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 <mach/gpio.h>
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#include <mach/regs-clock.h>
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#include <linux/mfd/wm8994/core.h>
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#include <linux/mfd/wm8994/registers.h>
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#include "../codecs/wm8994.h"
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#include "s3c-dma.h"
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#include "s3c64xx-i2s.h"
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2010-11-22 06:35:36 +00:00
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#define MACHINE_NAME 0
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#define CPU_VOICE_DAI 1
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static const char *aquila_str[] = {
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[MACHINE_NAME] = "aquila",
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[CPU_VOICE_DAI] = "aquila-voice-dai",
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};
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2010-07-22 06:16:10 +00:00
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static struct snd_soc_card goni;
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static struct platform_device *goni_snd_device;
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/* 3.5 pie jack */
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static struct snd_soc_jack jack;
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/* 3.5 pie jack detection DAPM pins */
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static struct snd_soc_jack_pin jack_pins[] = {
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{
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.pin = "Headset Mic",
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.mask = SND_JACK_MICROPHONE,
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}, {
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.pin = "Headset Stereophone",
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.mask = SND_JACK_HEADPHONE | SND_JACK_MECHANICAL |
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SND_JACK_AVOUT,
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},
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};
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/* 3.5 pie jack detection gpios */
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static struct snd_soc_jack_gpio jack_gpios[] = {
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{
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.gpio = S5PV210_GPH0(6),
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.name = "DET_3.5",
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.report = SND_JACK_HEADSET | SND_JACK_MECHANICAL |
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SND_JACK_AVOUT,
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.debounce_time = 200,
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},
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};
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static const struct snd_soc_dapm_widget goni_dapm_widgets[] = {
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SND_SOC_DAPM_SPK("Ext Left Spk", NULL),
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SND_SOC_DAPM_SPK("Ext Right Spk", NULL),
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SND_SOC_DAPM_SPK("Ext Rcv", NULL),
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SND_SOC_DAPM_HP("Headset Stereophone", NULL),
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SND_SOC_DAPM_MIC("Headset Mic", NULL),
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SND_SOC_DAPM_MIC("Main Mic", NULL),
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SND_SOC_DAPM_MIC("2nd Mic", NULL),
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SND_SOC_DAPM_LINE("Radio In", NULL),
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};
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static const struct snd_soc_dapm_route goni_dapm_routes[] = {
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{"Ext Left Spk", NULL, "SPKOUTLP"},
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{"Ext Left Spk", NULL, "SPKOUTLN"},
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{"Ext Right Spk", NULL, "SPKOUTRP"},
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{"Ext Right Spk", NULL, "SPKOUTRN"},
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{"Ext Rcv", NULL, "HPOUT2N"},
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{"Ext Rcv", NULL, "HPOUT2P"},
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{"Headset Stereophone", NULL, "HPOUT1L"},
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{"Headset Stereophone", NULL, "HPOUT1R"},
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{"IN1RN", NULL, "Headset Mic"},
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{"IN1RP", NULL, "Headset Mic"},
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{"IN1RN", NULL, "2nd Mic"},
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{"IN1RP", NULL, "2nd Mic"},
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{"IN1LN", NULL, "Main Mic"},
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{"IN1LP", NULL, "Main Mic"},
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{"IN2LN", NULL, "Radio In"},
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{"IN2RN", NULL, "Radio In"},
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};
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static int goni_wm8994_init(struct snd_soc_pcm_runtime *rtd)
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{
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struct snd_soc_codec *codec = rtd->codec;
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2010-11-05 13:53:46 +00:00
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struct snd_soc_dapm_context *dapm = &codec->dapm;
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2010-07-22 06:16:10 +00:00
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int ret;
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/* add goni specific widgets */
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2010-11-05 13:53:46 +00:00
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snd_soc_dapm_new_controls(dapm, goni_dapm_widgets,
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2010-07-22 06:16:10 +00:00
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ARRAY_SIZE(goni_dapm_widgets));
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/* set up goni specific audio routes */
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2010-11-05 13:53:46 +00:00
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snd_soc_dapm_add_routes(dapm, goni_dapm_routes,
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2010-07-22 06:16:10 +00:00
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ARRAY_SIZE(goni_dapm_routes));
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/* set endpoints to not connected */
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2010-11-05 13:53:46 +00:00
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snd_soc_dapm_nc_pin(dapm, "IN2LP:VXRN");
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snd_soc_dapm_nc_pin(dapm, "IN2RP:VXRP");
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snd_soc_dapm_nc_pin(dapm, "LINEOUT1N");
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snd_soc_dapm_nc_pin(dapm, "LINEOUT1P");
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snd_soc_dapm_nc_pin(dapm, "LINEOUT2N");
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snd_soc_dapm_nc_pin(dapm, "LINEOUT2P");
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2010-11-22 06:35:36 +00:00
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if (machine_is_aquila()) {
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snd_soc_dapm_nc_pin(dapm, "SPKOUTRN");
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snd_soc_dapm_nc_pin(dapm, "SPKOUTRP");
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}
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2010-11-05 13:53:46 +00:00
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snd_soc_dapm_sync(dapm);
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2010-07-22 06:16:10 +00:00
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/* Headset jack detection */
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ret = snd_soc_jack_new(&goni, "Headset Jack",
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SND_JACK_HEADSET | SND_JACK_MECHANICAL | SND_JACK_AVOUT,
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&jack);
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if (ret)
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return ret;
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ret = snd_soc_jack_add_pins(&jack, ARRAY_SIZE(jack_pins), jack_pins);
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if (ret)
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return ret;
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ret = snd_soc_jack_add_gpios(&jack, ARRAY_SIZE(jack_gpios), jack_gpios);
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if (ret)
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return ret;
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return 0;
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}
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static int goni_hifi_hw_params(struct snd_pcm_substream *substream,
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struct snd_pcm_hw_params *params)
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{
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struct snd_soc_pcm_runtime *rtd = substream->private_data;
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struct snd_soc_dai *codec_dai = rtd->codec_dai;
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struct snd_soc_dai *cpu_dai = rtd->cpu_dai;
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unsigned int pll_out = 24000000;
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int ret = 0;
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/* set the cpu DAI configuration */
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ret = snd_soc_dai_set_fmt(cpu_dai, SND_SOC_DAIFMT_I2S |
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SND_SOC_DAIFMT_NB_NF | SND_SOC_DAIFMT_CBM_CFM);
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if (ret < 0)
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return ret;
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/* set the cpu system clock */
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ret = snd_soc_dai_set_sysclk(cpu_dai, S3C64XX_CLKSRC_PCLK,
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0, SND_SOC_CLOCK_IN);
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if (ret < 0)
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return ret;
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/* set codec DAI configuration */
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ret = snd_soc_dai_set_fmt(codec_dai, SND_SOC_DAIFMT_I2S |
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SND_SOC_DAIFMT_NB_NF | SND_SOC_DAIFMT_CBM_CFM);
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if (ret < 0)
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return ret;
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/* set the codec FLL */
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ret = snd_soc_dai_set_pll(codec_dai, WM8994_FLL1, 0, pll_out,
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params_rate(params) * 256);
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if (ret < 0)
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return ret;
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/* set the codec system clock */
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ret = snd_soc_dai_set_sysclk(codec_dai, WM8994_SYSCLK_FLL1,
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params_rate(params) * 256, SND_SOC_CLOCK_IN);
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if (ret < 0)
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return ret;
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return 0;
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}
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static struct snd_soc_ops goni_hifi_ops = {
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.hw_params = goni_hifi_hw_params,
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};
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static int goni_voice_hw_params(struct snd_pcm_substream *substream,
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struct snd_pcm_hw_params *params)
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{
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struct snd_soc_pcm_runtime *rtd = substream->private_data;
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struct snd_soc_dai *codec_dai = rtd->codec_dai;
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unsigned int pll_out = 24000000;
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int ret = 0;
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if (params_rate(params) != 8000)
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return -EINVAL;
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/* set codec DAI configuration */
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ret = snd_soc_dai_set_fmt(codec_dai, SND_SOC_DAIFMT_LEFT_J |
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SND_SOC_DAIFMT_IB_IF | SND_SOC_DAIFMT_CBM_CFM);
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if (ret < 0)
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return ret;
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/* set the codec FLL */
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ret = snd_soc_dai_set_pll(codec_dai, WM8994_FLL2, 0, pll_out,
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params_rate(params) * 256);
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if (ret < 0)
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return ret;
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/* set the codec system clock */
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ret = snd_soc_dai_set_sysclk(codec_dai, WM8994_SYSCLK_FLL2,
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params_rate(params) * 256, SND_SOC_CLOCK_IN);
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if (ret < 0)
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return ret;
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return 0;
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}
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static struct snd_soc_dai_driver voice_dai = {
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.name = "goni-voice-dai",
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.id = 0,
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.playback = {
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.channels_min = 1,
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.channels_max = 2,
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.rates = SNDRV_PCM_RATE_8000,
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.formats = SNDRV_PCM_FMTBIT_S16_LE,},
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.capture = {
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.channels_min = 1,
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.channels_max = 2,
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.rates = SNDRV_PCM_RATE_8000,
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.formats = SNDRV_PCM_FMTBIT_S16_LE,},
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};
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static struct snd_soc_ops goni_voice_ops = {
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.hw_params = goni_voice_hw_params,
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};
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static struct snd_soc_dai_link goni_dai[] = {
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{
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.name = "WM8994",
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.stream_name = "WM8994 HiFi",
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.cpu_dai_name = "s3c64xx-i2s-v4",
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.codec_dai_name = "wm8994-hifi",
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.platform_name = "s3c24xx-pcm-audio",
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.codec_name = "wm8994-codec.0-0x1a",
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.init = goni_wm8994_init,
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.ops = &goni_hifi_ops,
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}, {
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.name = "WM8994 Voice",
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.stream_name = "Voice",
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.cpu_dai_name = "goni-voice-dai",
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.codec_dai_name = "wm8994-voice",
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.platform_name = "s3c24xx-pcm-audio",
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.codec_name = "wm8994-codec.0-0x1a",
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.ops = &goni_voice_ops,
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},
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};
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static struct snd_soc_card goni = {
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.name = "goni",
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.dai_link = goni_dai,
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.num_links = ARRAY_SIZE(goni_dai),
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};
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static int __init goni_init(void)
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{
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int ret;
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2010-11-22 06:35:36 +00:00
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if (machine_is_aquila()) {
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voice_dai.name = aquila_str[CPU_VOICE_DAI];
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goni_dai[1].cpu_dai_name = aquila_str[CPU_VOICE_DAI];
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goni.name = aquila_str[MACHINE_NAME];
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} else if (!machine_is_goni())
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2010-07-22 06:16:10 +00:00
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return -ENODEV;
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goni_snd_device = platform_device_alloc("soc-audio", -1);
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if (!goni_snd_device)
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return -ENOMEM;
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/* register voice DAI here */
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ret = snd_soc_register_dai(&goni_snd_device->dev, &voice_dai);
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if (ret)
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return ret;
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platform_set_drvdata(goni_snd_device, &goni);
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ret = platform_device_add(goni_snd_device);
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if (ret)
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platform_device_put(goni_snd_device);
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return ret;
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}
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static void __exit goni_exit(void)
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{
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platform_device_unregister(goni_snd_device);
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}
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module_init(goni_init);
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module_exit(goni_exit);
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/* Module information */
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MODULE_DESCRIPTION("ALSA SoC WM8994 GONI(S5PV210)");
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MODULE_AUTHOR("Chanwoo Choi <cw00.choi@samsung.com>");
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MODULE_LICENSE("GPL");
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