709 lines
18 KiB
C
709 lines
18 KiB
C
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/*
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* neo1973_wm8753.c -- SoC audio for Neo1973
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*
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* Copyright 2007 Wolfson Microelectronics PLC.
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* Author: Graeme Gregory
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* graeme.gregory@wolfsonmicro.com or linux@wolfsonmicro.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/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/i2c.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 <sound/tlv.h>
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#include <asm/mach-types.h>
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#include <asm/hardware/scoop.h>
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#include <mach/regs-clock.h>
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#include <mach/regs-gpio.h>
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#include <mach/hardware.h>
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#include <plat/audio.h>
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#include <linux/io.h>
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#include <mach/spi-gpio.h>
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#include <plat/regs-iis.h>
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#include "../codecs/wm8753.h"
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#include "lm4857.h"
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#include "s3c24xx-pcm.h"
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#include "s3c24xx-i2s.h"
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/* define the scenarios */
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#define NEO_AUDIO_OFF 0
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#define NEO_GSM_CALL_AUDIO_HANDSET 1
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#define NEO_GSM_CALL_AUDIO_HEADSET 2
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#define NEO_GSM_CALL_AUDIO_BLUETOOTH 3
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#define NEO_STEREO_TO_SPEAKERS 4
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#define NEO_STEREO_TO_HEADPHONES 5
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#define NEO_CAPTURE_HANDSET 6
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#define NEO_CAPTURE_HEADSET 7
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#define NEO_CAPTURE_BLUETOOTH 8
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static struct snd_soc_card neo1973;
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static struct i2c_client *i2c;
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static int neo1973_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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pr_debug("Entered %s\n", __func__);
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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, 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_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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pr_debug("Entered %s\n", __func__);
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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_hifi_ops = {
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.hw_params = neo1973_hifi_hw_params,
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.hw_free = neo1973_hifi_hw_free,
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};
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static int neo1973_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->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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pr_debug("Entered %s\n", __func__);
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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, 12288000,
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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 codec PCM division for sample rate */
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ret = snd_soc_dai_set_clkdiv(codec_dai, WM8753_PCMDIV, 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_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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pr_debug("Entered %s\n", __func__);
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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_voice_ops = {
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.hw_params = neo1973_voice_hw_params,
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.hw_free = neo1973_voice_hw_free,
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};
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static int neo1973_scenario;
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static int neo1973_get_scenario(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] = neo1973_scenario;
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return 0;
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}
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static int set_scenario_endpoints(struct snd_soc_codec *codec, int scenario)
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{
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pr_debug("Entered %s\n", __func__);
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switch (neo1973_scenario) {
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case NEO_AUDIO_OFF:
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snd_soc_dapm_disable_pin(codec, "Audio Out");
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snd_soc_dapm_disable_pin(codec, "GSM Line Out");
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snd_soc_dapm_disable_pin(codec, "GSM Line In");
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snd_soc_dapm_disable_pin(codec, "Headset Mic");
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snd_soc_dapm_disable_pin(codec, "Call Mic");
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break;
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case NEO_GSM_CALL_AUDIO_HANDSET:
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snd_soc_dapm_enable_pin(codec, "Audio Out");
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snd_soc_dapm_enable_pin(codec, "GSM Line Out");
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snd_soc_dapm_enable_pin(codec, "GSM Line In");
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snd_soc_dapm_disable_pin(codec, "Headset Mic");
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snd_soc_dapm_enable_pin(codec, "Call Mic");
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break;
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case NEO_GSM_CALL_AUDIO_HEADSET:
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snd_soc_dapm_enable_pin(codec, "Audio Out");
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snd_soc_dapm_enable_pin(codec, "GSM Line Out");
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snd_soc_dapm_enable_pin(codec, "GSM Line In");
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snd_soc_dapm_enable_pin(codec, "Headset Mic");
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snd_soc_dapm_disable_pin(codec, "Call Mic");
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break;
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case NEO_GSM_CALL_AUDIO_BLUETOOTH:
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snd_soc_dapm_disable_pin(codec, "Audio Out");
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snd_soc_dapm_enable_pin(codec, "GSM Line Out");
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snd_soc_dapm_enable_pin(codec, "GSM Line In");
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snd_soc_dapm_disable_pin(codec, "Headset Mic");
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snd_soc_dapm_disable_pin(codec, "Call Mic");
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break;
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case NEO_STEREO_TO_SPEAKERS:
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snd_soc_dapm_enable_pin(codec, "Audio Out");
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snd_soc_dapm_disable_pin(codec, "GSM Line Out");
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snd_soc_dapm_disable_pin(codec, "GSM Line In");
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snd_soc_dapm_disable_pin(codec, "Headset Mic");
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snd_soc_dapm_disable_pin(codec, "Call Mic");
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break;
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case NEO_STEREO_TO_HEADPHONES:
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snd_soc_dapm_enable_pin(codec, "Audio Out");
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snd_soc_dapm_disable_pin(codec, "GSM Line Out");
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snd_soc_dapm_disable_pin(codec, "GSM Line In");
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snd_soc_dapm_disable_pin(codec, "Headset Mic");
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snd_soc_dapm_disable_pin(codec, "Call Mic");
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break;
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case NEO_CAPTURE_HANDSET:
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snd_soc_dapm_disable_pin(codec, "Audio Out");
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snd_soc_dapm_disable_pin(codec, "GSM Line Out");
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snd_soc_dapm_disable_pin(codec, "GSM Line In");
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snd_soc_dapm_disable_pin(codec, "Headset Mic");
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snd_soc_dapm_enable_pin(codec, "Call Mic");
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break;
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case NEO_CAPTURE_HEADSET:
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snd_soc_dapm_disable_pin(codec, "Audio Out");
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snd_soc_dapm_disable_pin(codec, "GSM Line Out");
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snd_soc_dapm_disable_pin(codec, "GSM Line In");
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snd_soc_dapm_enable_pin(codec, "Headset Mic");
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snd_soc_dapm_disable_pin(codec, "Call Mic");
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break;
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case NEO_CAPTURE_BLUETOOTH:
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snd_soc_dapm_disable_pin(codec, "Audio Out");
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snd_soc_dapm_disable_pin(codec, "GSM Line Out");
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snd_soc_dapm_disable_pin(codec, "GSM Line In");
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snd_soc_dapm_disable_pin(codec, "Headset Mic");
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snd_soc_dapm_disable_pin(codec, "Call Mic");
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break;
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default:
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snd_soc_dapm_disable_pin(codec, "Audio Out");
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snd_soc_dapm_disable_pin(codec, "GSM Line Out");
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snd_soc_dapm_disable_pin(codec, "GSM Line In");
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snd_soc_dapm_disable_pin(codec, "Headset Mic");
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snd_soc_dapm_disable_pin(codec, "Call Mic");
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}
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snd_soc_dapm_sync(codec);
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return 0;
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}
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static int neo1973_set_scenario(struct snd_kcontrol *kcontrol,
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struct snd_ctl_elem_value *ucontrol)
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{
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struct snd_soc_codec *codec = snd_kcontrol_chip(kcontrol);
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pr_debug("Entered %s\n", __func__);
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if (neo1973_scenario == ucontrol->value.integer.value[0])
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return 0;
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neo1973_scenario = ucontrol->value.integer.value[0];
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set_scenario_endpoints(codec, neo1973_scenario);
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return 1;
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}
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static u8 lm4857_regs[4] = {0x00, 0x40, 0x80, 0xC0};
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static void lm4857_write_regs(void)
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{
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|
pr_debug("Entered %s\n", __func__);
|
||
|
|
|
||
|
|
if (i2c_master_send(i2c, lm4857_regs, 4) != 4)
|
||
|
|
printk(KERN_ERR "lm4857: i2c write failed\n");
|
||
|
|
}
|
||
|
|
|
||
|
|
static int lm4857_get_reg(struct snd_kcontrol *kcontrol,
|
||
|
|
struct snd_ctl_elem_value *ucontrol)
|
||
|
|
{
|
||
|
|
struct soc_mixer_control *mc =
|
||
|
|
(struct soc_mixer_control *)kcontrol->private_value;
|
||
|
|
int reg = mc->reg;
|
||
|
|
int shift = mc->shift;
|
||
|
|
int mask = mc->max;
|
||
|
|
|
||
|
|
pr_debug("Entered %s\n", __func__);
|
||
|
|
|
||
|
|
ucontrol->value.integer.value[0] = (lm4857_regs[reg] >> shift) & mask;
|
||
|
|
return 0;
|
||
|
|
}
|
||
|
|
|
||
|
|
static int lm4857_set_reg(struct snd_kcontrol *kcontrol,
|
||
|
|
struct snd_ctl_elem_value *ucontrol)
|
||
|
|
{
|
||
|
|
struct soc_mixer_control *mc =
|
||
|
|
(struct soc_mixer_control *)kcontrol->private_value;
|
||
|
|
int reg = mc->reg;
|
||
|
|
int shift = mc->shift;
|
||
|
|
int mask = mc->max;
|
||
|
|
|
||
|
|
if (((lm4857_regs[reg] >> shift) & mask) ==
|
||
|
|
ucontrol->value.integer.value[0])
|
||
|
|
return 0;
|
||
|
|
|
||
|
|
lm4857_regs[reg] &= ~(mask << shift);
|
||
|
|
lm4857_regs[reg] |= ucontrol->value.integer.value[0] << shift;
|
||
|
|
lm4857_write_regs();
|
||
|
|
return 1;
|
||
|
|
}
|
||
|
|
|
||
|
|
static int lm4857_get_mode(struct snd_kcontrol *kcontrol,
|
||
|
|
struct snd_ctl_elem_value *ucontrol)
|
||
|
|
{
|
||
|
|
u8 value = lm4857_regs[LM4857_CTRL] & 0x0F;
|
||
|
|
|
||
|
|
pr_debug("Entered %s\n", __func__);
|
||
|
|
|
||
|
|
if (value)
|
||
|
|
value -= 5;
|
||
|
|
|
||
|
|
ucontrol->value.integer.value[0] = value;
|
||
|
|
return 0;
|
||
|
|
}
|
||
|
|
|
||
|
|
static int lm4857_set_mode(struct snd_kcontrol *kcontrol,
|
||
|
|
struct snd_ctl_elem_value *ucontrol)
|
||
|
|
{
|
||
|
|
u8 value = ucontrol->value.integer.value[0];
|
||
|
|
|
||
|
|
pr_debug("Entered %s\n", __func__);
|
||
|
|
|
||
|
|
if (value)
|
||
|
|
value += 5;
|
||
|
|
|
||
|
|
if ((lm4857_regs[LM4857_CTRL] & 0x0F) == value)
|
||
|
|
return 0;
|
||
|
|
|
||
|
|
lm4857_regs[LM4857_CTRL] &= 0xF0;
|
||
|
|
lm4857_regs[LM4857_CTRL] |= value;
|
||
|
|
lm4857_write_regs();
|
||
|
|
return 1;
|
||
|
|
}
|
||
|
|
|
||
|
|
static const struct snd_soc_dapm_widget wm8753_dapm_widgets[] = {
|
||
|
|
SND_SOC_DAPM_LINE("Audio Out", NULL),
|
||
|
|
SND_SOC_DAPM_LINE("GSM Line Out", NULL),
|
||
|
|
SND_SOC_DAPM_LINE("GSM Line In", NULL),
|
||
|
|
SND_SOC_DAPM_MIC("Headset Mic", NULL),
|
||
|
|
SND_SOC_DAPM_MIC("Call Mic", NULL),
|
||
|
|
};
|
||
|
|
|
||
|
|
|
||
|
|
static const struct snd_soc_dapm_route dapm_routes[] = {
|
||
|
|
|
||
|
|
/* Connections to the lm4857 amp */
|
||
|
|
{"Audio Out", NULL, "LOUT1"},
|
||
|
|
{"Audio Out", NULL, "ROUT1"},
|
||
|
|
|
||
|
|
/* 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, "Call Mic"},
|
||
|
|
|
||
|
|
/* Connect the ALC pins */
|
||
|
|
{"ACIN", NULL, "ACOP"},
|
||
|
|
};
|
||
|
|
|
||
|
|
static const char *lm4857_mode[] = {
|
||
|
|
"Off",
|
||
|
|
"Call Speaker",
|
||
|
|
"Stereo Speakers",
|
||
|
|
"Stereo Speakers + Headphones",
|
||
|
|
"Headphones"
|
||
|
|
};
|
||
|
|
|
||
|
|
static const struct soc_enum lm4857_mode_enum[] = {
|
||
|
|
SOC_ENUM_SINGLE_EXT(ARRAY_SIZE(lm4857_mode), lm4857_mode),
|
||
|
|
};
|
||
|
|
|
||
|
|
static const char *neo_scenarios[] = {
|
||
|
|
"Off",
|
||
|
|
"GSM Handset",
|
||
|
|
"GSM Headset",
|
||
|
|
"GSM Bluetooth",
|
||
|
|
"Speakers",
|
||
|
|
"Headphones",
|
||
|
|
"Capture Handset",
|
||
|
|
"Capture Headset",
|
||
|
|
"Capture Bluetooth"
|
||
|
|
};
|
||
|
|
|
||
|
|
static const struct soc_enum neo_scenario_enum[] = {
|
||
|
|
SOC_ENUM_SINGLE_EXT(ARRAY_SIZE(neo_scenarios), neo_scenarios),
|
||
|
|
};
|
||
|
|
|
||
|
|
static const DECLARE_TLV_DB_SCALE(stereo_tlv, -4050, 150, 0);
|
||
|
|
static const DECLARE_TLV_DB_SCALE(mono_tlv, -3450, 150, 0);
|
||
|
|
|
||
|
|
static const struct snd_kcontrol_new wm8753_neo1973_controls[] = {
|
||
|
|
SOC_SINGLE_EXT_TLV("Amp Left Playback Volume", LM4857_LVOL, 0, 31, 0,
|
||
|
|
lm4857_get_reg, lm4857_set_reg, stereo_tlv),
|
||
|
|
SOC_SINGLE_EXT_TLV("Amp Right Playback Volume", LM4857_RVOL, 0, 31, 0,
|
||
|
|
lm4857_get_reg, lm4857_set_reg, stereo_tlv),
|
||
|
|
SOC_SINGLE_EXT_TLV("Amp Mono Playback Volume", LM4857_MVOL, 0, 31, 0,
|
||
|
|
lm4857_get_reg, lm4857_set_reg, mono_tlv),
|
||
|
|
SOC_ENUM_EXT("Amp Mode", lm4857_mode_enum[0],
|
||
|
|
lm4857_get_mode, lm4857_set_mode),
|
||
|
|
SOC_ENUM_EXT("Neo Mode", neo_scenario_enum[0],
|
||
|
|
neo1973_get_scenario, neo1973_set_scenario),
|
||
|
|
SOC_SINGLE_EXT("Amp Spk 3D Playback Switch", LM4857_LVOL, 5, 1, 0,
|
||
|
|
lm4857_get_reg, lm4857_set_reg),
|
||
|
|
SOC_SINGLE_EXT("Amp HP 3d Playback Switch", LM4857_RVOL, 5, 1, 0,
|
||
|
|
lm4857_get_reg, lm4857_set_reg),
|
||
|
|
SOC_SINGLE_EXT("Amp Fast Wakeup Playback Switch", LM4857_CTRL, 5, 1, 0,
|
||
|
|
lm4857_get_reg, lm4857_set_reg),
|
||
|
|
SOC_SINGLE_EXT("Amp Earpiece 6dB Playback Switch", LM4857_CTRL, 4, 1, 0,
|
||
|
|
lm4857_get_reg, lm4857_set_reg),
|
||
|
|
};
|
||
|
|
|
||
|
|
/*
|
||
|
|
* This is an example machine initialisation for a wm8753 connected to a
|
||
|
|
* neo1973 II. It is missing logic to detect hp/mic insertions and logic
|
||
|
|
* to re-route the audio in such an event.
|
||
|
|
*/
|
||
|
|
static int neo1973_wm8753_init(struct snd_soc_codec *codec)
|
||
|
|
{
|
||
|
|
int err;
|
||
|
|
|
||
|
|
pr_debug("Entered %s\n", __func__);
|
||
|
|
|
||
|
|
/* set up NC codec pins */
|
||
|
|
snd_soc_dapm_nc_pin(codec, "LOUT2");
|
||
|
|
snd_soc_dapm_nc_pin(codec, "ROUT2");
|
||
|
|
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 specific widgets */
|
||
|
|
snd_soc_dapm_new_controls(codec, wm8753_dapm_widgets,
|
||
|
|
ARRAY_SIZE(wm8753_dapm_widgets));
|
||
|
|
|
||
|
|
/* set endpoints to default mode */
|
||
|
|
set_scenario_endpoints(codec, NEO_AUDIO_OFF);
|
||
|
|
|
||
|
|
/* add neo1973 specific controls */
|
||
|
|
err = snd_soc_add_controls(codec, wm8753_neo1973_controls,
|
||
|
|
ARRAY_SIZE(8753_neo1973_controls));
|
||
|
|
if (err < 0)
|
||
|
|
return err;
|
||
|
|
|
||
|
|
/* set up neo1973 specific audio routes */
|
||
|
|
err = snd_soc_dapm_add_routes(codec, dapm_routes,
|
||
|
|
ARRAY_SIZE(dapm_routes));
|
||
|
|
|
||
|
|
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_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_wm8753_init,
|
||
|
|
.ops = &neo1973_hifi_ops,
|
||
|
|
},
|
||
|
|
{ /* Voice via BT */
|
||
|
|
.name = "Bluetooth",
|
||
|
|
.stream_name = "Voice",
|
||
|
|
.cpu_dai = &bt_dai,
|
||
|
|
.codec_dai = &wm8753_dai[WM8753_DAI_VOICE],
|
||
|
|
.ops = &neo1973_voice_ops,
|
||
|
|
},
|
||
|
|
};
|
||
|
|
|
||
|
|
static struct snd_soc_card neo1973 = {
|
||
|
|
.name = "neo1973",
|
||
|
|
.platform = &s3c24xx_soc_platform,
|
||
|
|
.dai_link = neo1973_dai,
|
||
|
|
.num_links = ARRAY_SIZE(neo1973_dai),
|
||
|
|
};
|
||
|
|
|
||
|
|
static struct snd_soc_device neo1973_snd_devdata = {
|
||
|
|
.card = &neo1973,
|
||
|
|
.codec_dev = &soc_codec_dev_wm8753,
|
||
|
|
};
|
||
|
|
|
||
|
|
static int lm4857_i2c_probe(struct i2c_client *client,
|
||
|
|
const struct i2c_device_id *id)
|
||
|
|
{
|
||
|
|
pr_debug("Entered %s\n", __func__);
|
||
|
|
|
||
|
|
i2c = client;
|
||
|
|
|
||
|
|
lm4857_write_regs();
|
||
|
|
return 0;
|
||
|
|
}
|
||
|
|
|
||
|
|
static int lm4857_i2c_remove(struct i2c_client *client)
|
||
|
|
{
|
||
|
|
pr_debug("Entered %s\n", __func__);
|
||
|
|
|
||
|
|
i2c = NULL;
|
||
|
|
|
||
|
|
return 0;
|
||
|
|
}
|
||
|
|
|
||
|
|
static u8 lm4857_state;
|
||
|
|
|
||
|
|
static int lm4857_suspend(struct i2c_client *dev, pm_message_t state)
|
||
|
|
{
|
||
|
|
pr_debug("Entered %s\n", __func__);
|
||
|
|
|
||
|
|
dev_dbg(&dev->dev, "lm4857_suspend\n");
|
||
|
|
lm4857_state = lm4857_regs[LM4857_CTRL] & 0xf;
|
||
|
|
if (lm4857_state) {
|
||
|
|
lm4857_regs[LM4857_CTRL] &= 0xf0;
|
||
|
|
lm4857_write_regs();
|
||
|
|
}
|
||
|
|
return 0;
|
||
|
|
}
|
||
|
|
|
||
|
|
static int lm4857_resume(struct i2c_client *dev)
|
||
|
|
{
|
||
|
|
pr_debug("Entered %s\n", __func__);
|
||
|
|
|
||
|
|
if (lm4857_state) {
|
||
|
|
lm4857_regs[LM4857_CTRL] |= (lm4857_state & 0x0f);
|
||
|
|
lm4857_write_regs();
|
||
|
|
}
|
||
|
|
return 0;
|
||
|
|
}
|
||
|
|
|
||
|
|
static void lm4857_shutdown(struct i2c_client *dev)
|
||
|
|
{
|
||
|
|
pr_debug("Entered %s\n", __func__);
|
||
|
|
|
||
|
|
dev_dbg(&dev->dev, "lm4857_shutdown\n");
|
||
|
|
lm4857_regs[LM4857_CTRL] &= 0xf0;
|
||
|
|
lm4857_write_regs();
|
||
|
|
}
|
||
|
|
|
||
|
|
static const struct i2c_device_id lm4857_i2c_id[] = {
|
||
|
|
{ "neo1973_lm4857", 0 },
|
||
|
|
{ }
|
||
|
|
};
|
||
|
|
|
||
|
|
static struct i2c_driver lm4857_i2c_driver = {
|
||
|
|
.driver = {
|
||
|
|
.name = "LM4857 I2C Amp",
|
||
|
|
.owner = THIS_MODULE,
|
||
|
|
},
|
||
|
|
.suspend = lm4857_suspend,
|
||
|
|
.resume = lm4857_resume,
|
||
|
|
.shutdown = lm4857_shutdown,
|
||
|
|
.probe = lm4857_i2c_probe,
|
||
|
|
.remove = lm4857_i2c_remove,
|
||
|
|
.id_table = lm4857_i2c_id,
|
||
|
|
};
|
||
|
|
|
||
|
|
static struct platform_device *neo1973_snd_device;
|
||
|
|
|
||
|
|
static int __init neo1973_init(void)
|
||
|
|
{
|
||
|
|
int ret;
|
||
|
|
|
||
|
|
pr_debug("Entered %s\n", __func__);
|
||
|
|
|
||
|
|
if (!machine_is_neo1973_gta01()) {
|
||
|
|
printk(KERN_INFO
|
||
|
|
"Only GTA01 hardware supported by ASoC driver\n");
|
||
|
|
return -ENODEV;
|
||
|
|
}
|
||
|
|
|
||
|
|
neo1973_snd_device = platform_device_alloc("soc-audio", -1);
|
||
|
|
if (!neo1973_snd_device)
|
||
|
|
return -ENOMEM;
|
||
|
|
|
||
|
|
platform_set_drvdata(neo1973_snd_device, &neo1973_snd_devdata);
|
||
|
|
neo1973_snd_devdata.dev = &neo1973_snd_device->dev;
|
||
|
|
ret = platform_device_add(neo1973_snd_device);
|
||
|
|
|
||
|
|
if (ret) {
|
||
|
|
platform_device_put(neo1973_snd_device);
|
||
|
|
return ret;
|
||
|
|
}
|
||
|
|
|
||
|
|
ret = i2c_add_driver(&lm4857_i2c_driver);
|
||
|
|
|
||
|
|
if (ret != 0)
|
||
|
|
platform_device_unregister(neo1973_snd_device);
|
||
|
|
|
||
|
|
return ret;
|
||
|
|
}
|
||
|
|
|
||
|
|
static void __exit neo1973_exit(void)
|
||
|
|
{
|
||
|
|
pr_debug("Entered %s\n", __func__);
|
||
|
|
|
||
|
|
i2c_del_driver(&lm4857_i2c_driver);
|
||
|
|
platform_device_unregister(neo1973_snd_device);
|
||
|
|
}
|
||
|
|
|
||
|
|
module_init(neo1973_init);
|
||
|
|
module_exit(neo1973_exit);
|
||
|
|
|
||
|
|
/* Module information */
|
||
|
|
MODULE_AUTHOR("Graeme Gregory, graeme@openmoko.org, www.openmoko.org");
|
||
|
|
MODULE_DESCRIPTION("ALSA SoC WM8753 Neo1973");
|
||
|
|
MODULE_LICENSE("GPL");
|