forked from luck/tmp_suning_uos_patched
ASoC: DaVinci: CQ93VC Voice Codec
Currently the DM365 is the only SoC that includes this Voice Codec. Signed-off-by: Miguel Aguilar <miguel.aguilar@ridgerun.com> Acked-by: Liam Girdwood <lrg@slimlogic.co.uk> Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
This commit is contained in:
Miguel Aguilar
Mark Brown
parent
e155fcc23c
commit
b56e972b75
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@ -21,6 +21,7 @@ config SND_SOC_ALL_CODECS
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select SND_SOC_AK4535 if I2C
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select SND_SOC_AK4642 if I2C
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select SND_SOC_AK4671 if I2C
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select SND_SOC_CQ0093VC if MFD_DAVINCI_VOICECODEC
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select SND_SOC_CS4270 if I2C
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select SND_SOC_MAX9877 if I2C
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select SND_SOC_DA7210 if I2C
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@ -114,6 +115,9 @@ config SND_SOC_AK4642
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config SND_SOC_AK4671
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tristate
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config SND_SOC_CQ0093VC
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tristate
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# Cirrus Logic CS4270 Codec
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config SND_SOC_CS4270
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tristate
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@ -8,6 +8,7 @@ snd-soc-ak4104-objs := ak4104.o
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snd-soc-ak4535-objs := ak4535.o
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snd-soc-ak4642-objs := ak4642.o
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snd-soc-ak4671-objs := ak4671.o
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snd-soc-cq93vc-objs := cq93vc.o
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snd-soc-cs4270-objs := cs4270.o
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snd-soc-cx20442-objs := cx20442.o
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snd-soc-da7210-objs := da7210.o
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@ -70,6 +71,7 @@ obj-$(CONFIG_SND_SOC_AK4104) += snd-soc-ak4104.o
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obj-$(CONFIG_SND_SOC_AK4535) += snd-soc-ak4535.o
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obj-$(CONFIG_SND_SOC_AK4642) += snd-soc-ak4642.o
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obj-$(CONFIG_SND_SOC_AK4671) += snd-soc-ak4671.o
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obj-$(CONFIG_SND_SOC_CQ0093VC) += snd-soc-cq93vc.o
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obj-$(CONFIG_SND_SOC_CS4270) += snd-soc-cs4270.o
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obj-$(CONFIG_SND_SOC_CX20442) += snd-soc-cx20442.o
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obj-$(CONFIG_SND_SOC_DA7210) += snd-soc-da7210.o
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298
sound/soc/codecs/cq93vc.c
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298
sound/soc/codecs/cq93vc.c
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@ -0,0 +1,298 @@
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/*
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* ALSA SoC CQ0093 Voice Codec Driver for DaVinci platforms
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*
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* Copyright (C) 2010 Texas Instruments, Inc
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*
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* Author: Miguel Aguilar <miguel.aguilar@ridgerun.com>
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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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#include <linux/module.h>
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#include <linux/moduleparam.h>
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#include <linux/init.h>
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#include <linux/io.h>
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#include <linux/delay.h>
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#include <linux/pm.h>
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#include <linux/platform_device.h>
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#include <linux/device.h>
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#include <linux/clk.h>
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#include <linux/mfd/davinci_voicecodec.h>
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#include <sound/core.h>
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#include <sound/pcm.h>
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#include <sound/pcm_params.h>
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#include <sound/soc.h>
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#include <sound/soc-dai.h>
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#include <sound/soc-dapm.h>
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#include <sound/initval.h>
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#include <mach/dm365.h>
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#include "cq93vc.h"
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static inline unsigned int cq93vc_read(struct snd_soc_codec *codec,
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unsigned int reg)
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{
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struct davinci_vc *davinci_vc = codec->control_data;
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return readl(davinci_vc->base + reg);
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}
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static inline int cq93vc_write(struct snd_soc_codec *codec, unsigned int reg,
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unsigned int value)
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{
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struct davinci_vc *davinci_vc = codec->control_data;
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writel(value, davinci_vc->base + reg);
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return 0;
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}
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static const struct snd_kcontrol_new cq93vc_snd_controls[] = {
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SOC_SINGLE("PGA Capture Volume", DAVINCI_VC_REG05, 0, 0x03, 0),
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SOC_SINGLE("Mono DAC Playback Volume", DAVINCI_VC_REG09, 0, 0x3f, 0),
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};
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static int cq93vc_mute(struct snd_soc_dai *dai, int mute)
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{
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struct snd_soc_codec *codec = dai->codec;
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u8 reg = cq93vc_read(codec, DAVINCI_VC_REG09) & ~DAVINCI_VC_REG09_MUTE;
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if (mute)
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cq93vc_write(codec, DAVINCI_VC_REG09,
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reg | DAVINCI_VC_REG09_MUTE);
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else
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cq93vc_write(codec, DAVINCI_VC_REG09, reg);
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return 0;
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}
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static int cq93vc_set_dai_sysclk(struct snd_soc_dai *codec_dai,
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int clk_id, unsigned int freq, int dir)
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{
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struct snd_soc_codec *codec = codec_dai->codec;
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struct davinci_vc *davinci_vc = codec->control_data;
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switch (freq) {
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case 22579200:
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case 27000000:
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case 33868800:
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davinci_vc->cq93vc.sysclk = freq;
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return 0;
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}
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return -EINVAL;
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}
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static int cq93vc_set_bias_level(struct snd_soc_codec *codec,
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enum snd_soc_bias_level level)
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{
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switch (level) {
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case SND_SOC_BIAS_ON:
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cq93vc_write(codec, DAVINCI_VC_REG12,
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DAVINCI_VC_REG12_POWER_ALL_ON);
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break;
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case SND_SOC_BIAS_PREPARE:
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break;
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case SND_SOC_BIAS_STANDBY:
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cq93vc_write(codec, DAVINCI_VC_REG12,
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DAVINCI_VC_REG12_POWER_ALL_OFF);
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break;
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case SND_SOC_BIAS_OFF:
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/* force all power off */
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cq93vc_write(codec, DAVINCI_VC_REG12,
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DAVINCI_VC_REG12_POWER_ALL_OFF);
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break;
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}
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codec->bias_level = level;
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return 0;
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}
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#define CQ93VC_RATES (SNDRV_PCM_RATE_8000 | SNDRV_PCM_RATE_16000)
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#define CQ93VC_FORMATS (SNDRV_PCM_FMTBIT_U8 | SNDRV_PCM_FMTBIT_S16_LE)
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static struct snd_soc_dai_ops cq93vc_dai_ops = {
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.digital_mute = cq93vc_mute,
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.set_sysclk = cq93vc_set_dai_sysclk,
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};
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struct snd_soc_dai cq93vc_dai = {
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.name = "CQ93VC",
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.playback = {
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.stream_name = "Playback",
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.channels_min = 1,
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.channels_max = 2,
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.rates = CQ93VC_RATES,
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.formats = CQ93VC_FORMATS,},
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.capture = {
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.stream_name = "Capture",
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.channels_min = 1,
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.channels_max = 2,
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.rates = CQ93VC_RATES,
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.formats = CQ93VC_FORMATS,},
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.ops = &cq93vc_dai_ops,
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};
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EXPORT_SYMBOL_GPL(cq93vc_dai);
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static int cq93vc_resume(struct platform_device *pdev)
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{
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struct snd_soc_device *socdev = platform_get_drvdata(pdev);
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struct snd_soc_codec *codec = socdev->card->codec;
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cq93vc_set_bias_level(codec, codec->suspend_bias_level);
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return 0;
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}
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static struct snd_soc_codec *cq93vc_codec;
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static int cq93vc_probe(struct platform_device *pdev)
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{
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struct snd_soc_device *socdev = platform_get_drvdata(pdev);
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struct device *dev = &pdev->dev;
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struct snd_soc_codec *codec;
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int ret;
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socdev->card->codec = cq93vc_codec;
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codec = socdev->card->codec;
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/* Register pcms */
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ret = snd_soc_new_pcms(socdev, SNDRV_DEFAULT_IDX1, SNDRV_DEFAULT_STR1);
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if (ret < 0) {
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dev_err(dev, "%s: failed to create pcms\n", pdev->name);
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return ret;
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}
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/* Set controls */
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snd_soc_add_controls(codec, cq93vc_snd_controls,
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ARRAY_SIZE(cq93vc_snd_controls));
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/* Off, with power on */
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cq93vc_set_bias_level(codec, SND_SOC_BIAS_STANDBY);
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return 0;
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}
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static int cq93vc_remove(struct platform_device *pdev)
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{
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struct snd_soc_device *socdev = platform_get_drvdata(pdev);
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snd_soc_free_pcms(socdev);
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snd_soc_dapm_free(socdev);
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return 0;
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}
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struct snd_soc_codec_device soc_codec_dev_cq93vc = {
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.probe = cq93vc_probe,
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.remove = cq93vc_remove,
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.resume = cq93vc_resume,
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};
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EXPORT_SYMBOL_GPL(soc_codec_dev_cq93vc);
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static __init int cq93vc_codec_probe(struct platform_device *pdev)
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{
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struct davinci_vc *davinci_vc = platform_get_drvdata(pdev);
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struct snd_soc_codec *codec;
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int ret;
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codec = kzalloc(sizeof(struct snd_soc_codec), GFP_KERNEL);
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if (codec == NULL) {
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dev_dbg(davinci_vc->dev,
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"could not allocate memory for codec data\n");
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return -ENOMEM;
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}
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davinci_vc->cq93vc.codec = codec;
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cq93vc_dai.dev = &pdev->dev;
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mutex_init(&codec->mutex);
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INIT_LIST_HEAD(&codec->dapm_widgets);
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INIT_LIST_HEAD(&codec->dapm_paths);
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codec->dev = &pdev->dev;
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codec->name = "CQ93VC";
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codec->owner = THIS_MODULE;
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codec->read = cq93vc_read;
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codec->write = cq93vc_write;
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codec->set_bias_level = cq93vc_set_bias_level;
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codec->dai = &cq93vc_dai;
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codec->num_dai = 1;
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codec->control_data = davinci_vc;
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cq93vc_codec = codec;
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ret = snd_soc_register_codec(codec);
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if (ret) {
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dev_err(davinci_vc->dev, "failed to register codec\n");
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goto fail1;
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}
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ret = snd_soc_register_dai(&cq93vc_dai);
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if (ret) {
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dev_err(davinci_vc->dev, "could register dai\n");
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goto fail2;
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}
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return 0;
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fail2:
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snd_soc_unregister_codec(codec);
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fail1:
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kfree(codec);
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cq93vc_codec = NULL;
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return ret;
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}
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static int __devexit cq93vc_codec_remove(struct platform_device *pdev)
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{
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struct snd_soc_device *socdev = platform_get_drvdata(pdev);
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struct snd_soc_codec *codec = socdev->card->codec;
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snd_soc_unregister_dai(&cq93vc_dai);
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snd_soc_unregister_codec(&codec);
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kfree(codec);
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cq93vc_codec = NULL;
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return 0;
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}
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static struct platform_driver cq93vc_codec_driver = {
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.driver = {
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.name = "cq93vc",
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.owner = THIS_MODULE,
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},
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.probe = cq93vc_codec_probe,
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.remove = __devexit_p(cq93vc_codec_remove),
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};
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static __init int cq93vc_init(void)
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{
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return platform_driver_probe(&cq93vc_codec_driver, cq93vc_codec_probe);
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}
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module_init(cq93vc_init);
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static __exit void cq93vc_exit(void)
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{
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platform_driver_unregister(&cq93vc_codec_driver);
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}
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module_exit(cq93vc_exit);
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MODULE_DESCRIPTION("Texas Instruments DaVinci ASoC CQ0093 Voice Codec Driver");
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MODULE_AUTHOR("Miguel Aguilar");
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MODULE_LICENSE("GPL");
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29
sound/soc/codecs/cq93vc.h
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29
sound/soc/codecs/cq93vc.h
Normal file
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@ -0,0 +1,29 @@
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/*
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* ALSA SoC CQ0093 Voice Codec Driver for DaVinci platforms
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*
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* Copyright (C) 2010 Texas Instruments, Inc
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*
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* Author: Miguel Aguilar <miguel.aguilar@ridgerun.com>
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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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#ifndef _CQ93VC_H
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#define _CQ93VC_H
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extern struct snd_soc_dai cq93vc_dai;
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extern struct snd_soc_codec_device soc_codec_dev_cq93vc;
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#endif
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Block a user