mirror of
https://github.com/torvalds/linux.git
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Merge branch 'gta02-audio' into for-2.6.32
This commit is contained in:
Mark Brown
commit
a1daf67d72
@ -38,6 +38,15 @@ config SND_S3C24XX_SOC_NEO1973_WM8753
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Say Y if you want to add support for SoC audio on smdk2440
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with the WM8753.
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config SND_S3C24XX_SOC_NEO1973_GTA02_WM8753
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tristate "Audio support for the Openmoko Neo FreeRunner (GTA02)"
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depends on SND_S3C24XX_SOC && MACH_NEO1973_GTA02
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select SND_S3C24XX_SOC_I2S
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select SND_SOC_WM8753
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help
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This driver provides audio support for the Openmoko Neo FreeRunner
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smartphone.
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config SND_S3C24XX_SOC_JIVE_WM8750
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tristate "SoC I2S Audio support for Jive"
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depends on SND_S3C24XX_SOC && MACH_JIVE
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@ -16,12 +16,14 @@ obj-$(CONFIG_SND_S3C_I2SV2_SOC) += snd-soc-s3c-i2s-v2.o
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# S3C24XX Machine Support
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snd-soc-jive-wm8750-objs := jive_wm8750.o
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snd-soc-neo1973-wm8753-objs := neo1973_wm8753.o
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snd-soc-neo1973-gta02-wm8753-objs := neo1973_gta02_wm8753.o
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snd-soc-smdk2443-wm9710-objs := smdk2443_wm9710.o
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snd-soc-ln2440sbc-alc650-objs := ln2440sbc_alc650.o
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snd-soc-s3c24xx-uda134x-objs := s3c24xx_uda134x.o
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obj-$(CONFIG_SND_S3C24XX_SOC_JIVE_WM8750) += snd-soc-jive-wm8750.o
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obj-$(CONFIG_SND_S3C24XX_SOC_NEO1973_WM8753) += snd-soc-neo1973-wm8753.o
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obj-$(CONFIG_SND_S3C24XX_SOC_NEO1973_GTA02_WM8753) += snd-soc-neo1973-gta02-wm8753.o
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obj-$(CONFIG_SND_S3C24XX_SOC_SMDK2443_WM9710) += snd-soc-smdk2443-wm9710.o
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obj-$(CONFIG_SND_S3C24XX_SOC_LN2440SBC_ALC650) += snd-soc-ln2440sbc-alc650.o
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obj-$(CONFIG_SND_S3C24XX_SOC_S3C24XX_UDA134X) += snd-soc-s3c24xx-uda134x.o
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498
sound/soc/s3c24xx/neo1973_gta02_wm8753.c
Normal file
498
sound/soc/s3c24xx/neo1973_gta02_wm8753.c
Normal file
@ -0,0 +1,498 @@
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/*
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* neo1973_gta02_wm8753.c -- SoC audio for Openmoko Freerunner(GTA02)
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*
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* Copyright 2007 Openmoko Inc
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* Author: Graeme Gregory <graeme@openmoko.org>
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* Copyright 2007 Wolfson Microelectronics PLC.
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* Author: Graeme Gregory <linux@wolfsonmicro.com>
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* Copyright 2009 Wolfson Microelectronics
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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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#include <linux/module.h>
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#include <linux/moduleparam.h>
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#include <linux/timer.h>
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#include <linux/interrupt.h>
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#include <linux/platform_device.h>
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#include <linux/gpio.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/soc-dapm.h>
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#include <asm/mach-types.h>
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#include <plat/regs-iis.h>
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#include <mach/regs-clock.h>
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#include <asm/io.h>
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#include <mach/gta02.h>
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#include "../codecs/wm8753.h"
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#include "s3c24xx-pcm.h"
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#include "s3c24xx-i2s.h"
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static struct snd_soc_card neo1973_gta02;
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static int neo1973_gta02_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->dai->codec_dai;
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struct snd_soc_dai *cpu_dai = rtd->dai->cpu_dai;
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unsigned int pll_out = 0, bclk = 0;
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int ret = 0;
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unsigned long iis_clkrate;
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iis_clkrate = s3c24xx_i2s_get_clockrate();
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switch (params_rate(params)) {
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case 8000:
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case 16000:
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pll_out = 12288000;
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break;
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case 48000:
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bclk = WM8753_BCLK_DIV_4;
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pll_out = 12288000;
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break;
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case 96000:
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bclk = WM8753_BCLK_DIV_2;
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pll_out = 12288000;
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break;
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case 11025:
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bclk = WM8753_BCLK_DIV_16;
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pll_out = 11289600;
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break;
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case 22050:
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bclk = WM8753_BCLK_DIV_8;
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pll_out = 11289600;
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break;
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case 44100:
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bclk = WM8753_BCLK_DIV_4;
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pll_out = 11289600;
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break;
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case 88200:
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bclk = WM8753_BCLK_DIV_2;
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pll_out = 11289600;
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break;
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}
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/* set codec DAI configuration */
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ret = snd_soc_dai_set_fmt(codec_dai,
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SND_SOC_DAIFMT_I2S | SND_SOC_DAIFMT_NB_NF |
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SND_SOC_DAIFMT_CBM_CFM);
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if (ret < 0)
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return ret;
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/* set cpu DAI configuration */
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ret = snd_soc_dai_set_fmt(cpu_dai,
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SND_SOC_DAIFMT_I2S | SND_SOC_DAIFMT_NB_NF |
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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 system clock for DAC and ADC */
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ret = snd_soc_dai_set_sysclk(codec_dai, WM8753_MCLK, pll_out,
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SND_SOC_CLOCK_IN);
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if (ret < 0)
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return ret;
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/* set MCLK division for sample rate */
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ret = snd_soc_dai_set_clkdiv(cpu_dai, S3C24XX_DIV_MCLK,
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S3C2410_IISMOD_32FS);
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if (ret < 0)
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return ret;
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/* set codec BCLK division for sample rate */
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ret = snd_soc_dai_set_clkdiv(codec_dai,
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WM8753_BCLKDIV, bclk);
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if (ret < 0)
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return ret;
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/* set prescaler division for sample rate */
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ret = snd_soc_dai_set_clkdiv(cpu_dai, S3C24XX_DIV_PRESCALER,
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S3C24XX_PRESCALE(4, 4));
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if (ret < 0)
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return ret;
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/* codec PLL input is PCLK/4 */
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ret = snd_soc_dai_set_pll(codec_dai, WM8753_PLL1,
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iis_clkrate / 4, pll_out);
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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 int neo1973_gta02_hifi_hw_free(struct snd_pcm_substream *substream)
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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->dai->codec_dai;
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/* disable the PLL */
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return snd_soc_dai_set_pll(codec_dai, WM8753_PLL1, 0, 0);
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}
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/*
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* Neo1973 WM8753 HiFi DAI opserations.
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*/
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static struct snd_soc_ops neo1973_gta02_hifi_ops = {
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.hw_params = neo1973_gta02_hifi_hw_params,
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.hw_free = neo1973_gta02_hifi_hw_free,
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};
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static int neo1973_gta02_voice_hw_params(
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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->dai->codec_dai;
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unsigned int pcmdiv = 0;
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int ret = 0;
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unsigned long iis_clkrate;
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iis_clkrate = s3c24xx_i2s_get_clockrate();
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if (params_rate(params) != 8000)
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return -EINVAL;
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if (params_channels(params) != 1)
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return -EINVAL;
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pcmdiv = WM8753_PCM_DIV_6; /* 2.048 MHz */
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/* todo: gg check mode (DSP_B) against CSR datasheet */
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/* set codec DAI configuration */
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ret = snd_soc_dai_set_fmt(codec_dai, SND_SOC_DAIFMT_DSP_B |
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SND_SOC_DAIFMT_NB_NF | SND_SOC_DAIFMT_CBS_CFS);
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if (ret < 0)
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return ret;
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/* set the codec system clock for DAC and ADC */
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ret = snd_soc_dai_set_sysclk(codec_dai, WM8753_PCMCLK,
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12288000, SND_SOC_CLOCK_IN);
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if (ret < 0)
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return ret;
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/* set codec PCM division for sample rate */
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ret = snd_soc_dai_set_clkdiv(codec_dai, WM8753_PCMDIV,
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pcmdiv);
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if (ret < 0)
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return ret;
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/* configue and enable PLL for 12.288MHz output */
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ret = snd_soc_dai_set_pll(codec_dai, WM8753_PLL2,
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iis_clkrate / 4, 12288000);
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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 int neo1973_gta02_voice_hw_free(struct snd_pcm_substream *substream)
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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->dai->codec_dai;
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/* disable the PLL */
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return snd_soc_dai_set_pll(codec_dai, WM8753_PLL2, 0, 0);
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}
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static struct snd_soc_ops neo1973_gta02_voice_ops = {
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.hw_params = neo1973_gta02_voice_hw_params,
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.hw_free = neo1973_gta02_voice_hw_free,
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};
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#define LM4853_AMP 1
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#define LM4853_SPK 2
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static u8 lm4853_state;
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/* This has no effect, it exists only to maintain compatibility with
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* existing ALSA state files.
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*/
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static int lm4853_set_state(struct snd_kcontrol *kcontrol,
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struct snd_ctl_elem_value *ucontrol)
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{
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int val = ucontrol->value.integer.value[0];
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if (val)
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lm4853_state |= LM4853_AMP;
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else
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lm4853_state &= ~LM4853_AMP;
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return 0;
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}
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static int lm4853_get_state(struct snd_kcontrol *kcontrol,
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struct snd_ctl_elem_value *ucontrol)
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{
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ucontrol->value.integer.value[0] = lm4853_state & LM4853_AMP;
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return 0;
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}
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static int lm4853_set_spk(struct snd_kcontrol *kcontrol,
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struct snd_ctl_elem_value *ucontrol)
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{
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int val = ucontrol->value.integer.value[0];
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if (val) {
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lm4853_state |= LM4853_SPK;
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gpio_set_value(GTA02_GPIO_HP_IN, 0);
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} else {
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lm4853_state &= ~LM4853_SPK;
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gpio_set_value(GTA02_GPIO_HP_IN, 1);
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}
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return 0;
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}
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static int lm4853_get_spk(struct snd_kcontrol *kcontrol,
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struct snd_ctl_elem_value *ucontrol)
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{
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ucontrol->value.integer.value[0] = (lm4853_state & LM4853_SPK) >> 1;
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return 0;
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}
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static int lm4853_event(struct snd_soc_dapm_widget *w,
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struct snd_kcontrol *k,
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int event)
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{
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gpio_set_value(GTA02_GPIO_AMP_SHUT, SND_SOC_DAPM_EVENT_OFF(value));
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return 0;
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}
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static const struct snd_soc_dapm_widget wm8753_dapm_widgets[] = {
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SND_SOC_DAPM_SPK("Stereo Out", lm4853_event),
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SND_SOC_DAPM_LINE("GSM Line Out", NULL),
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SND_SOC_DAPM_LINE("GSM Line In", NULL),
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SND_SOC_DAPM_MIC("Headset Mic", NULL),
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SND_SOC_DAPM_MIC("Handset Mic", NULL),
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SND_SOC_DAPM_SPK("Handset Spk", NULL),
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};
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|
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/* example machine audio_mapnections */
|
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static const struct snd_soc_dapm_route audio_map[] = {
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/* Connections to the lm4853 amp */
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||||
{"Stereo Out", NULL, "LOUT1"},
|
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{"Stereo Out", NULL, "ROUT1"},
|
||||
|
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/* Connections to the GSM Module */
|
||||
{"GSM Line Out", NULL, "MONO1"},
|
||||
{"GSM Line Out", NULL, "MONO2"},
|
||||
{"RXP", NULL, "GSM Line In"},
|
||||
{"RXN", NULL, "GSM Line In"},
|
||||
|
||||
/* Connections to Headset */
|
||||
{"MIC1", NULL, "Mic Bias"},
|
||||
{"Mic Bias", NULL, "Headset Mic"},
|
||||
|
||||
/* Call Mic */
|
||||
{"MIC2", NULL, "Mic Bias"},
|
||||
{"MIC2N", NULL, "Mic Bias"},
|
||||
{"Mic Bias", NULL, "Handset Mic"},
|
||||
|
||||
/* Call Speaker */
|
||||
{"Handset Spk", NULL, "LOUT2"},
|
||||
{"Handset Spk", NULL, "ROUT2"},
|
||||
|
||||
/* Connect the ALC pins */
|
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{"ACIN", NULL, "ACOP"},
|
||||
};
|
||||
|
||||
static const struct snd_kcontrol_new wm8753_neo1973_gta02_controls[] = {
|
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SOC_DAPM_PIN_SWITCH("Stereo Out"),
|
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SOC_DAPM_PIN_SWITCH("GSM Line Out"),
|
||||
SOC_DAPM_PIN_SWITCH("GSM Line In"),
|
||||
SOC_DAPM_PIN_SWITCH("Headset Mic"),
|
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SOC_DAPM_PIN_SWITCH("Handset Mic"),
|
||||
SOC_DAPM_PIN_SWITCH("Handset Spk"),
|
||||
|
||||
/* This has no effect, it exists only to maintain compatibility with
|
||||
* existing ALSA state files.
|
||||
*/
|
||||
SOC_SINGLE_EXT("Amp State Switch", 6, 0, 1, 0,
|
||||
lm4853_get_state,
|
||||
lm4853_set_state),
|
||||
SOC_SINGLE_EXT("Amp Spk Switch", 7, 0, 1, 0,
|
||||
lm4853_get_spk,
|
||||
lm4853_set_spk),
|
||||
};
|
||||
|
||||
/*
|
||||
* This is an example machine initialisation for a wm8753 connected to a
|
||||
* neo1973 GTA02.
|
||||
*/
|
||||
static int neo1973_gta02_wm8753_init(struct snd_soc_codec *codec)
|
||||
{
|
||||
int err;
|
||||
|
||||
/* set up NC codec pins */
|
||||
snd_soc_dapm_nc_pin(codec, "OUT3");
|
||||
snd_soc_dapm_nc_pin(codec, "OUT4");
|
||||
snd_soc_dapm_nc_pin(codec, "LINE1");
|
||||
snd_soc_dapm_nc_pin(codec, "LINE2");
|
||||
|
||||
/* Add neo1973 gta02 specific widgets */
|
||||
snd_soc_dapm_new_controls(codec, wm8753_dapm_widgets,
|
||||
ARRAY_SIZE(wm8753_dapm_widgets));
|
||||
|
||||
/* add neo1973 gta02 specific controls */
|
||||
err = snd_soc_add_controls(codec, wm8753_neo1973_gta02_controls,
|
||||
ARRAY_SIZE(wm8753_neo1973_gta02_controls));
|
||||
|
||||
if (err < 0)
|
||||
return err;
|
||||
|
||||
/* set up neo1973 gta02 specific audio path audio_map */
|
||||
snd_soc_dapm_add_routes(codec, audio_map, ARRAY_SIZE(audio_map));
|
||||
|
||||
/* set endpoints to default off mode */
|
||||
snd_soc_dapm_disable_pin(codec, "Stereo Out");
|
||||
snd_soc_dapm_disable_pin(codec, "GSM Line Out");
|
||||
snd_soc_dapm_disable_pin(codec, "GSM Line In");
|
||||
snd_soc_dapm_disable_pin(codec, "Headset Mic");
|
||||
snd_soc_dapm_disable_pin(codec, "Handset Mic");
|
||||
snd_soc_dapm_disable_pin(codec, "Handset Spk");
|
||||
|
||||
snd_soc_dapm_sync(codec);
|
||||
|
||||
return 0;
|
||||
}
|
||||
|
||||
/*
|
||||
* BT Codec DAI
|
||||
*/
|
||||
static struct snd_soc_dai bt_dai = {
|
||||
.name = "Bluetooth",
|
||||
.id = 0,
|
||||
.playback = {
|
||||
.channels_min = 1,
|
||||
.channels_max = 1,
|
||||
.rates = SNDRV_PCM_RATE_8000,
|
||||
.formats = SNDRV_PCM_FMTBIT_S16_LE,},
|
||||
.capture = {
|
||||
.channels_min = 1,
|
||||
.channels_max = 1,
|
||||
.rates = SNDRV_PCM_RATE_8000,
|
||||
.formats = SNDRV_PCM_FMTBIT_S16_LE,},
|
||||
};
|
||||
|
||||
static struct snd_soc_dai_link neo1973_gta02_dai[] = {
|
||||
{ /* Hifi Playback - for similatious use with voice below */
|
||||
.name = "WM8753",
|
||||
.stream_name = "WM8753 HiFi",
|
||||
.cpu_dai = &s3c24xx_i2s_dai,
|
||||
.codec_dai = &wm8753_dai[WM8753_DAI_HIFI],
|
||||
.init = neo1973_gta02_wm8753_init,
|
||||
.ops = &neo1973_gta02_hifi_ops,
|
||||
},
|
||||
{ /* Voice via BT */
|
||||
.name = "Bluetooth",
|
||||
.stream_name = "Voice",
|
||||
.cpu_dai = &bt_dai,
|
||||
.codec_dai = &wm8753_dai[WM8753_DAI_VOICE],
|
||||
.ops = &neo1973_gta02_voice_ops,
|
||||
},
|
||||
};
|
||||
|
||||
static struct snd_soc_card neo1973_gta02 = {
|
||||
.name = "neo1973-gta02",
|
||||
.platform = &s3c24xx_soc_platform,
|
||||
.dai_link = neo1973_gta02_dai,
|
||||
.num_links = ARRAY_SIZE(neo1973_gta02_dai),
|
||||
};
|
||||
|
||||
static struct snd_soc_device neo1973_gta02_snd_devdata = {
|
||||
.card = &neo1973_gta02,
|
||||
.codec_dev = &soc_codec_dev_wm8753,
|
||||
};
|
||||
|
||||
static struct platform_device *neo1973_gta02_snd_device;
|
||||
|
||||
static int __init neo1973_gta02_init(void)
|
||||
{
|
||||
int ret;
|
||||
|
||||
if (!machine_is_neo1973_gta02()) {
|
||||
printk(KERN_INFO
|
||||
"Only GTA02 is supported by this ASoC driver\n");
|
||||
return -ENODEV;
|
||||
}
|
||||
|
||||
/* register bluetooth DAI here */
|
||||
ret = snd_soc_register_dai(&bt_dai);
|
||||
if (ret)
|
||||
return ret;
|
||||
|
||||
neo1973_gta02_snd_device = platform_device_alloc("soc-audio", -1);
|
||||
if (!neo1973_gta02_snd_device)
|
||||
return -ENOMEM;
|
||||
|
||||
platform_set_drvdata(neo1973_gta02_snd_device,
|
||||
&neo1973_gta02_snd_devdata);
|
||||
neo1973_gta02_snd_devdata.dev = &neo1973_gta02_snd_device->dev;
|
||||
ret = platform_device_add(neo1973_gta02_snd_device);
|
||||
|
||||
if (ret) {
|
||||
platform_device_put(neo1973_gta02_snd_device);
|
||||
return ret;
|
||||
}
|
||||
|
||||
/* Initialise GPIOs used by amp */
|
||||
ret = gpio_request(GTA02_GPIO_HP_IN, "GTA02_HP_IN");
|
||||
if (ret) {
|
||||
pr_err("gta02_wm8753: Failed to register GPIO %d\n", GTA02_GPIO_HP_IN);
|
||||
goto err_unregister_device;
|
||||
}
|
||||
|
||||
ret = gpio_direction_output(GTA02_GPIO_AMP_HP_IN, 1);
|
||||
if (ret) {
|
||||
pr_err("gta02_wm8753: Failed to configure GPIO %d\n", GTA02_GPIO_HP_IN);
|
||||
goto err_free_gpio_hp_in;
|
||||
}
|
||||
|
||||
ret = gpio_request(GTA02_GPIO_AMP_SHUT, "GTA02_AMP_SHUT");
|
||||
if (ret) {
|
||||
pr_err("gta02_wm8753: Failed to register GPIO %d\n", GTA02_GPIO_AMP_SHUT);
|
||||
goto err_free_gpio_hp_in;
|
||||
}
|
||||
|
||||
ret = gpio_direction_output(GTA02_GPIO_AMP_SHUT, 1);
|
||||
if (ret) {
|
||||
pr_err("gta02_wm8753: Failed to configure GPIO %d\n", GTA02_GPIO_AMP_SHUT);
|
||||
goto err_free_gpio_amp_shut;
|
||||
}
|
||||
|
||||
return 0;
|
||||
|
||||
err_free_gpio_amp_shut:
|
||||
gpio_free(GTA02_GPIO_AMP_SHUT);
|
||||
err_free_gpio_hp_in:
|
||||
gpio_free(GTA02_GPIO_HP_IN);
|
||||
err_unregister_device:
|
||||
platform_device_unregister(neo1973_gta02_snd_device);
|
||||
return ret;
|
||||
}
|
||||
module_init(neo1973_gta02_init);
|
||||
|
||||
static void __exit neo1973_gta02_exit(void)
|
||||
{
|
||||
snd_soc_unregister_dai(&bt_dai);
|
||||
platform_device_unregister(neo1973_gta02_snd_device);
|
||||
gpio_free(GTA02_GPIO_HP_IN);
|
||||
gpio_free(GTA02_GPIO_AMP_SHUT);
|
||||
}
|
||||
module_exit(neo1973_gta02_exit);
|
||||
|
||||
/* Module information */
|
||||
MODULE_AUTHOR("Graeme Gregory, graeme@openmoko.org");
|
||||
MODULE_DESCRIPTION("ALSA SoC WM8753 Neo1973 GTA02");
|
||||
MODULE_LICENSE("GPL");
|
||||
Loading…
Reference in New Issue
Block a user