2007-05-14 09:03:52 +00:00
|
|
|
/*
|
|
|
|
* neo1973_wm8753.c -- SoC audio for Neo1973
|
|
|
|
*
|
|
|
|
* Copyright 2007 Wolfson Microelectronics PLC.
|
|
|
|
* Author: Graeme Gregory
|
|
|
|
* graeme.gregory@wolfsonmicro.com or linux@wolfsonmicro.com
|
|
|
|
*
|
|
|
|
* This program is free software; you can redistribute it and/or modify it
|
|
|
|
* under the terms of the GNU General Public License as published by the
|
|
|
|
* Free Software Foundation; either version 2 of the License, or (at your
|
|
|
|
* option) any later version.
|
|
|
|
*
|
|
|
|
* Revision history
|
|
|
|
* 20th Jan 2007 Initial version.
|
|
|
|
* 05th Feb 2007 Rename all to Neo1973
|
|
|
|
*
|
|
|
|
*/
|
|
|
|
|
|
|
|
#include <linux/module.h>
|
|
|
|
#include <linux/moduleparam.h>
|
|
|
|
#include <linux/timer.h>
|
|
|
|
#include <linux/interrupt.h>
|
|
|
|
#include <linux/platform_device.h>
|
|
|
|
#include <linux/i2c.h>
|
|
|
|
#include <sound/core.h>
|
|
|
|
#include <sound/pcm.h>
|
|
|
|
#include <sound/soc.h>
|
|
|
|
#include <sound/soc-dapm.h>
|
|
|
|
|
|
|
|
#include <asm/mach-types.h>
|
|
|
|
#include <asm/hardware/scoop.h>
|
|
|
|
#include <asm/arch/regs-clock.h>
|
|
|
|
#include <asm/arch/regs-gpio.h>
|
|
|
|
#include <asm/hardware.h>
|
|
|
|
#include <asm/arch/audio.h>
|
2008-04-30 18:24:54 +00:00
|
|
|
#include <linux/io.h>
|
2007-05-14 09:03:52 +00:00
|
|
|
#include <asm/arch/spi-gpio.h>
|
2007-12-19 14:37:49 +00:00
|
|
|
|
|
|
|
#include <asm/plat-s3c24xx/regs-iis.h>
|
|
|
|
|
2007-05-14 09:03:52 +00:00
|
|
|
#include "../codecs/wm8753.h"
|
|
|
|
#include "lm4857.h"
|
|
|
|
#include "s3c24xx-pcm.h"
|
|
|
|
#include "s3c24xx-i2s.h"
|
|
|
|
|
|
|
|
/* define the scenarios */
|
|
|
|
#define NEO_AUDIO_OFF 0
|
|
|
|
#define NEO_GSM_CALL_AUDIO_HANDSET 1
|
|
|
|
#define NEO_GSM_CALL_AUDIO_HEADSET 2
|
|
|
|
#define NEO_GSM_CALL_AUDIO_BLUETOOTH 3
|
|
|
|
#define NEO_STEREO_TO_SPEAKERS 4
|
|
|
|
#define NEO_STEREO_TO_HEADPHONES 5
|
|
|
|
#define NEO_CAPTURE_HANDSET 6
|
|
|
|
#define NEO_CAPTURE_HEADSET 7
|
|
|
|
#define NEO_CAPTURE_BLUETOOTH 8
|
|
|
|
|
|
|
|
static struct snd_soc_machine neo1973;
|
|
|
|
static struct i2c_client *i2c;
|
|
|
|
|
|
|
|
static int neo1973_hifi_hw_params(struct snd_pcm_substream *substream,
|
|
|
|
struct snd_pcm_hw_params *params)
|
|
|
|
{
|
|
|
|
struct snd_soc_pcm_runtime *rtd = substream->private_data;
|
|
|
|
struct snd_soc_codec_dai *codec_dai = rtd->dai->codec_dai;
|
|
|
|
struct snd_soc_cpu_dai *cpu_dai = rtd->dai->cpu_dai;
|
|
|
|
unsigned int pll_out = 0, bclk = 0;
|
|
|
|
int ret = 0;
|
|
|
|
unsigned long iis_clkrate;
|
|
|
|
|
|
|
|
iis_clkrate = s3c24xx_i2s_get_clockrate();
|
|
|
|
|
|
|
|
switch (params_rate(params)) {
|
|
|
|
case 8000:
|
|
|
|
case 16000:
|
|
|
|
pll_out = 12288000;
|
|
|
|
break;
|
|
|
|
case 48000:
|
|
|
|
bclk = WM8753_BCLK_DIV_4;
|
|
|
|
pll_out = 12288000;
|
|
|
|
break;
|
|
|
|
case 96000:
|
|
|
|
bclk = WM8753_BCLK_DIV_2;
|
|
|
|
pll_out = 12288000;
|
|
|
|
break;
|
|
|
|
case 11025:
|
|
|
|
bclk = WM8753_BCLK_DIV_16;
|
|
|
|
pll_out = 11289600;
|
|
|
|
break;
|
|
|
|
case 22050:
|
|
|
|
bclk = WM8753_BCLK_DIV_8;
|
|
|
|
pll_out = 11289600;
|
|
|
|
break;
|
|
|
|
case 44100:
|
|
|
|
bclk = WM8753_BCLK_DIV_4;
|
|
|
|
pll_out = 11289600;
|
|
|
|
break;
|
|
|
|
case 88200:
|
|
|
|
bclk = WM8753_BCLK_DIV_2;
|
|
|
|
pll_out = 11289600;
|
|
|
|
break;
|
|
|
|
}
|
|
|
|
|
|
|
|
/* set codec DAI configuration */
|
|
|
|
ret = codec_dai->dai_ops.set_fmt(codec_dai,
|
|
|
|
SND_SOC_DAIFMT_I2S | SND_SOC_DAIFMT_NB_NF |
|
|
|
|
SND_SOC_DAIFMT_CBM_CFM);
|
|
|
|
if (ret < 0)
|
|
|
|
return ret;
|
|
|
|
|
|
|
|
/* set cpu DAI configuration */
|
|
|
|
ret = cpu_dai->dai_ops.set_fmt(cpu_dai,
|
|
|
|
SND_SOC_DAIFMT_I2S | SND_SOC_DAIFMT_NB_NF |
|
|
|
|
SND_SOC_DAIFMT_CBM_CFM);
|
|
|
|
if (ret < 0)
|
|
|
|
return ret;
|
|
|
|
|
|
|
|
/* set the codec system clock for DAC and ADC */
|
|
|
|
ret = codec_dai->dai_ops.set_sysclk(codec_dai, WM8753_MCLK, pll_out,
|
|
|
|
SND_SOC_CLOCK_IN);
|
|
|
|
if (ret < 0)
|
|
|
|
return ret;
|
|
|
|
|
|
|
|
/* set MCLK division for sample rate */
|
|
|
|
ret = cpu_dai->dai_ops.set_clkdiv(cpu_dai, S3C24XX_DIV_MCLK,
|
2008-04-30 18:24:54 +00:00
|
|
|
S3C2410_IISMOD_32FS);
|
2007-05-14 09:03:52 +00:00
|
|
|
if (ret < 0)
|
|
|
|
return ret;
|
|
|
|
|
|
|
|
/* set codec BCLK division for sample rate */
|
|
|
|
ret = codec_dai->dai_ops.set_clkdiv(codec_dai, WM8753_BCLKDIV, bclk);
|
|
|
|
if (ret < 0)
|
|
|
|
return ret;
|
|
|
|
|
|
|
|
/* set prescaler division for sample rate */
|
|
|
|
ret = cpu_dai->dai_ops.set_clkdiv(cpu_dai, S3C24XX_DIV_PRESCALER,
|
2008-04-30 18:24:54 +00:00
|
|
|
S3C24XX_PRESCALE(4, 4));
|
2007-05-14 09:03:52 +00:00
|
|
|
if (ret < 0)
|
|
|
|
return ret;
|
|
|
|
|
|
|
|
/* codec PLL input is PCLK/4 */
|
|
|
|
ret = codec_dai->dai_ops.set_pll(codec_dai, WM8753_PLL1,
|
|
|
|
iis_clkrate / 4, pll_out);
|
|
|
|
if (ret < 0)
|
|
|
|
return ret;
|
|
|
|
|
|
|
|
return 0;
|
|
|
|
}
|
|
|
|
|
|
|
|
static int neo1973_hifi_hw_free(struct snd_pcm_substream *substream)
|
|
|
|
{
|
|
|
|
struct snd_soc_pcm_runtime *rtd = substream->private_data;
|
|
|
|
struct snd_soc_codec_dai *codec_dai = rtd->dai->codec_dai;
|
|
|
|
|
|
|
|
/* disable the PLL */
|
|
|
|
return codec_dai->dai_ops.set_pll(codec_dai, WM8753_PLL1, 0, 0);
|
|
|
|
}
|
|
|
|
|
|
|
|
/*
|
|
|
|
* Neo1973 WM8753 HiFi DAI opserations.
|
|
|
|
*/
|
|
|
|
static struct snd_soc_ops neo1973_hifi_ops = {
|
|
|
|
.hw_params = neo1973_hifi_hw_params,
|
|
|
|
.hw_free = neo1973_hifi_hw_free,
|
|
|
|
};
|
|
|
|
|
|
|
|
static int neo1973_voice_hw_params(struct snd_pcm_substream *substream,
|
|
|
|
struct snd_pcm_hw_params *params)
|
|
|
|
{
|
|
|
|
struct snd_soc_pcm_runtime *rtd = substream->private_data;
|
|
|
|
struct snd_soc_codec_dai *codec_dai = rtd->dai->codec_dai;
|
|
|
|
unsigned int pcmdiv = 0;
|
|
|
|
int ret = 0;
|
|
|
|
unsigned long iis_clkrate;
|
|
|
|
|
|
|
|
iis_clkrate = s3c24xx_i2s_get_clockrate();
|
|
|
|
|
|
|
|
if (params_rate(params) != 8000)
|
|
|
|
return -EINVAL;
|
|
|
|
if (params_channels(params) != 1)
|
|
|
|
return -EINVAL;
|
|
|
|
|
|
|
|
pcmdiv = WM8753_PCM_DIV_6; /* 2.048 MHz */
|
|
|
|
|
|
|
|
/* todo: gg check mode (DSP_B) against CSR datasheet */
|
|
|
|
/* set codec DAI configuration */
|
|
|
|
ret = codec_dai->dai_ops.set_fmt(codec_dai, SND_SOC_DAIFMT_DSP_B |
|
|
|
|
SND_SOC_DAIFMT_NB_NF | SND_SOC_DAIFMT_CBS_CFS);
|
|
|
|
if (ret < 0)
|
|
|
|
return ret;
|
|
|
|
|
|
|
|
/* set the codec system clock for DAC and ADC */
|
|
|
|
ret = codec_dai->dai_ops.set_sysclk(codec_dai, WM8753_PCMCLK, 12288000,
|
|
|
|
SND_SOC_CLOCK_IN);
|
|
|
|
if (ret < 0)
|
|
|
|
return ret;
|
|
|
|
|
|
|
|
/* set codec PCM division for sample rate */
|
|
|
|
ret = codec_dai->dai_ops.set_clkdiv(codec_dai, WM8753_PCMDIV, pcmdiv);
|
|
|
|
if (ret < 0)
|
|
|
|
return ret;
|
|
|
|
|
|
|
|
/* configue and enable PLL for 12.288MHz output */
|
|
|
|
ret = codec_dai->dai_ops.set_pll(codec_dai, WM8753_PLL2,
|
|
|
|
iis_clkrate / 4, 12288000);
|
|
|
|
if (ret < 0)
|
|
|
|
return ret;
|
|
|
|
|
|
|
|
return 0;
|
|
|
|
}
|
|
|
|
|
|
|
|
static int neo1973_voice_hw_free(struct snd_pcm_substream *substream)
|
|
|
|
{
|
|
|
|
struct snd_soc_pcm_runtime *rtd = substream->private_data;
|
|
|
|
struct snd_soc_codec_dai *codec_dai = rtd->dai->codec_dai;
|
|
|
|
|
|
|
|
/* disable the PLL */
|
|
|
|
return codec_dai->dai_ops.set_pll(codec_dai, WM8753_PLL2, 0, 0);
|
|
|
|
}
|
|
|
|
|
|
|
|
static struct snd_soc_ops neo1973_voice_ops = {
|
|
|
|
.hw_params = neo1973_voice_hw_params,
|
|
|
|
.hw_free = neo1973_voice_hw_free,
|
|
|
|
};
|
|
|
|
|
2008-04-30 18:24:54 +00:00
|
|
|
static int neo1973_scenario;
|
2007-05-14 09:03:52 +00:00
|
|
|
|
|
|
|
static int neo1973_get_scenario(struct snd_kcontrol *kcontrol,
|
|
|
|
struct snd_ctl_elem_value *ucontrol)
|
|
|
|
{
|
|
|
|
ucontrol->value.integer.value[0] = neo1973_scenario;
|
|
|
|
return 0;
|
|
|
|
}
|
|
|
|
|
|
|
|
static int set_scenario_endpoints(struct snd_soc_codec *codec, int scenario)
|
|
|
|
{
|
2008-04-30 18:24:54 +00:00
|
|
|
switch (neo1973_scenario) {
|
2007-05-14 09:03:52 +00:00
|
|
|
case NEO_AUDIO_OFF:
|
|
|
|
snd_soc_dapm_set_endpoint(codec, "Audio Out", 0);
|
|
|
|
snd_soc_dapm_set_endpoint(codec, "GSM Line Out", 0);
|
|
|
|
snd_soc_dapm_set_endpoint(codec, "GSM Line In", 0);
|
|
|
|
snd_soc_dapm_set_endpoint(codec, "Headset Mic", 0);
|
|
|
|
snd_soc_dapm_set_endpoint(codec, "Call Mic", 0);
|
|
|
|
break;
|
|
|
|
case NEO_GSM_CALL_AUDIO_HANDSET:
|
|
|
|
snd_soc_dapm_set_endpoint(codec, "Audio Out", 1);
|
|
|
|
snd_soc_dapm_set_endpoint(codec, "GSM Line Out", 1);
|
|
|
|
snd_soc_dapm_set_endpoint(codec, "GSM Line In", 1);
|
|
|
|
snd_soc_dapm_set_endpoint(codec, "Headset Mic", 0);
|
|
|
|
snd_soc_dapm_set_endpoint(codec, "Call Mic", 1);
|
|
|
|
break;
|
|
|
|
case NEO_GSM_CALL_AUDIO_HEADSET:
|
|
|
|
snd_soc_dapm_set_endpoint(codec, "Audio Out", 1);
|
|
|
|
snd_soc_dapm_set_endpoint(codec, "GSM Line Out", 1);
|
|
|
|
snd_soc_dapm_set_endpoint(codec, "GSM Line In", 1);
|
|
|
|
snd_soc_dapm_set_endpoint(codec, "Headset Mic", 1);
|
|
|
|
snd_soc_dapm_set_endpoint(codec, "Call Mic", 0);
|
|
|
|
break;
|
|
|
|
case NEO_GSM_CALL_AUDIO_BLUETOOTH:
|
|
|
|
snd_soc_dapm_set_endpoint(codec, "Audio Out", 0);
|
|
|
|
snd_soc_dapm_set_endpoint(codec, "GSM Line Out", 1);
|
|
|
|
snd_soc_dapm_set_endpoint(codec, "GSM Line In", 1);
|
|
|
|
snd_soc_dapm_set_endpoint(codec, "Headset Mic", 0);
|
|
|
|
snd_soc_dapm_set_endpoint(codec, "Call Mic", 0);
|
|
|
|
break;
|
|
|
|
case NEO_STEREO_TO_SPEAKERS:
|
|
|
|
snd_soc_dapm_set_endpoint(codec, "Audio Out", 1);
|
|
|
|
snd_soc_dapm_set_endpoint(codec, "GSM Line Out", 0);
|
|
|
|
snd_soc_dapm_set_endpoint(codec, "GSM Line In", 0);
|
|
|
|
snd_soc_dapm_set_endpoint(codec, "Headset Mic", 0);
|
|
|
|
snd_soc_dapm_set_endpoint(codec, "Call Mic", 0);
|
|
|
|
break;
|
|
|
|
case NEO_STEREO_TO_HEADPHONES:
|
|
|
|
snd_soc_dapm_set_endpoint(codec, "Audio Out", 1);
|
|
|
|
snd_soc_dapm_set_endpoint(codec, "GSM Line Out", 0);
|
|
|
|
snd_soc_dapm_set_endpoint(codec, "GSM Line In", 0);
|
|
|
|
snd_soc_dapm_set_endpoint(codec, "Headset Mic", 0);
|
|
|
|
snd_soc_dapm_set_endpoint(codec, "Call Mic", 0);
|
|
|
|
break;
|
|
|
|
case NEO_CAPTURE_HANDSET:
|
|
|
|
snd_soc_dapm_set_endpoint(codec, "Audio Out", 0);
|
|
|
|
snd_soc_dapm_set_endpoint(codec, "GSM Line Out", 0);
|
|
|
|
snd_soc_dapm_set_endpoint(codec, "GSM Line In", 0);
|
|
|
|
snd_soc_dapm_set_endpoint(codec, "Headset Mic", 0);
|
|
|
|
snd_soc_dapm_set_endpoint(codec, "Call Mic", 1);
|
|
|
|
break;
|
|
|
|
case NEO_CAPTURE_HEADSET:
|
|
|
|
snd_soc_dapm_set_endpoint(codec, "Audio Out", 0);
|
|
|
|
snd_soc_dapm_set_endpoint(codec, "GSM Line Out", 0);
|
|
|
|
snd_soc_dapm_set_endpoint(codec, "GSM Line In", 0);
|
|
|
|
snd_soc_dapm_set_endpoint(codec, "Headset Mic", 1);
|
|
|
|
snd_soc_dapm_set_endpoint(codec, "Call Mic", 0);
|
|
|
|
break;
|
|
|
|
case NEO_CAPTURE_BLUETOOTH:
|
|
|
|
snd_soc_dapm_set_endpoint(codec, "Audio Out", 0);
|
|
|
|
snd_soc_dapm_set_endpoint(codec, "GSM Line Out", 0);
|
|
|
|
snd_soc_dapm_set_endpoint(codec, "GSM Line In", 0);
|
|
|
|
snd_soc_dapm_set_endpoint(codec, "Headset Mic", 0);
|
|
|
|
snd_soc_dapm_set_endpoint(codec, "Call Mic", 0);
|
|
|
|
break;
|
|
|
|
default:
|
|
|
|
snd_soc_dapm_set_endpoint(codec, "Audio Out", 0);
|
|
|
|
snd_soc_dapm_set_endpoint(codec, "GSM Line Out", 0);
|
|
|
|
snd_soc_dapm_set_endpoint(codec, "GSM Line In", 0);
|
|
|
|
snd_soc_dapm_set_endpoint(codec, "Headset Mic", 0);
|
|
|
|
snd_soc_dapm_set_endpoint(codec, "Call Mic", 0);
|
|
|
|
}
|
|
|
|
|
|
|
|
snd_soc_dapm_sync_endpoints(codec);
|
|
|
|
|
|
|
|
return 0;
|
|
|
|
}
|
|
|
|
|
|
|
|
static int neo1973_set_scenario(struct snd_kcontrol *kcontrol,
|
|
|
|
struct snd_ctl_elem_value *ucontrol)
|
|
|
|
{
|
|
|
|
struct snd_soc_codec *codec = snd_kcontrol_chip(kcontrol);
|
|
|
|
|
|
|
|
if (neo1973_scenario == ucontrol->value.integer.value[0])
|
|
|
|
return 0;
|
|
|
|
|
|
|
|
neo1973_scenario = ucontrol->value.integer.value[0];
|
|
|
|
set_scenario_endpoints(codec, neo1973_scenario);
|
|
|
|
return 1;
|
|
|
|
}
|
|
|
|
|
|
|
|
static u8 lm4857_regs[4] = {0x00, 0x40, 0x80, 0xC0};
|
|
|
|
|
|
|
|
static void lm4857_write_regs(void)
|
|
|
|
{
|
|
|
|
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)
|
|
|
|
{
|
2008-04-30 18:24:54 +00:00
|
|
|
int reg = kcontrol->private_value & 0xFF;
|
2007-05-14 09:03:52 +00:00
|
|
|
int shift = (kcontrol->private_value >> 8) & 0x0F;
|
|
|
|
int mask = (kcontrol->private_value >> 16) & 0xFF;
|
|
|
|
|
|
|
|
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)
|
|
|
|
{
|
|
|
|
int reg = kcontrol->private_value & 0xFF;
|
|
|
|
int shift = (kcontrol->private_value >> 8) & 0x0F;
|
|
|
|
int mask = (kcontrol->private_value >> 16) & 0xFF;
|
|
|
|
|
2008-04-30 18:24:54 +00:00
|
|
|
if (((lm4857_regs[reg] >> shift) & mask) ==
|
2007-05-14 09:03:52 +00:00
|
|
|
ucontrol->value.integer.value[0])
|
|
|
|
return 0;
|
|
|
|
|
2008-04-30 18:24:54 +00:00
|
|
|
lm4857_regs[reg] &= ~(mask << shift);
|
2007-05-14 09:03:52 +00:00
|
|
|
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;
|
|
|
|
|
|
|
|
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];
|
|
|
|
|
|
|
|
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),
|
|
|
|
};
|
|
|
|
|
|
|
|
|
|
|
|
/* example machine audio_mapnections */
|
2008-04-30 18:24:54 +00:00
|
|
|
static const char *audio_map[][3] = {
|
2007-05-14 09:03:52 +00:00
|
|
|
|
|
|
|
/* 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"},
|
|
|
|
|
|
|
|
{NULL, NULL, NULL},
|
|
|
|
};
|
|
|
|
|
|
|
|
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[] = {
|
2008-04-30 18:24:54 +00:00
|
|
|
SOC_ENUM_SINGLE_EXT(ARRAY_SIZE(neo_scenarios), neo_scenarios),
|
2007-05-14 09:03:52 +00:00
|
|
|
};
|
|
|
|
|
|
|
|
static const struct snd_kcontrol_new wm8753_neo1973_controls[] = {
|
|
|
|
SOC_SINGLE_EXT("Amp Left Playback Volume", LM4857_LVOL, 0, 31, 0,
|
|
|
|
lm4857_get_reg, lm4857_set_reg),
|
|
|
|
SOC_SINGLE_EXT("Amp Right Playback Volume", LM4857_RVOL, 0, 31, 0,
|
|
|
|
lm4857_get_reg, lm4857_set_reg),
|
|
|
|
SOC_SINGLE_EXT("Amp Mono Playback Volume", LM4857_MVOL, 0, 31, 0,
|
|
|
|
lm4857_get_reg, lm4857_set_reg),
|
|
|
|
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 i, err;
|
|
|
|
|
|
|
|
/* set up NC codec pins */
|
|
|
|
snd_soc_dapm_set_endpoint(codec, "LOUT2", 0);
|
|
|
|
snd_soc_dapm_set_endpoint(codec, "ROUT2", 0);
|
|
|
|
snd_soc_dapm_set_endpoint(codec, "OUT3", 0);
|
|
|
|
snd_soc_dapm_set_endpoint(codec, "OUT4", 0);
|
|
|
|
snd_soc_dapm_set_endpoint(codec, "LINE1", 0);
|
|
|
|
snd_soc_dapm_set_endpoint(codec, "LINE2", 0);
|
|
|
|
|
|
|
|
|
|
|
|
/* set endpoints to default mode */
|
|
|
|
set_scenario_endpoints(codec, NEO_AUDIO_OFF);
|
|
|
|
|
|
|
|
/* Add neo1973 specific widgets */
|
|
|
|
for (i = 0; i < ARRAY_SIZE(wm8753_dapm_widgets); i++)
|
|
|
|
snd_soc_dapm_new_control(codec, &wm8753_dapm_widgets[i]);
|
|
|
|
|
|
|
|
/* add neo1973 specific controls */
|
|
|
|
for (i = 0; i < ARRAY_SIZE(wm8753_neo1973_controls); i++) {
|
|
|
|
err = snd_ctl_add(codec->card,
|
|
|
|
snd_soc_cnew(&wm8753_neo1973_controls[i],
|
|
|
|
codec, NULL));
|
|
|
|
if (err < 0)
|
|
|
|
return err;
|
|
|
|
}
|
|
|
|
|
|
|
|
/* set up neo1973 specific audio path audio_mapnects */
|
|
|
|
for (i = 0; audio_map[i][0] != NULL; i++) {
|
|
|
|
snd_soc_dapm_connect_input(codec, audio_map[i][0],
|
|
|
|
audio_map[i][1], audio_map[i][2]);
|
|
|
|
}
|
|
|
|
|
|
|
|
snd_soc_dapm_sync_endpoints(codec);
|
|
|
|
return 0;
|
|
|
|
}
|
|
|
|
|
|
|
|
/*
|
|
|
|
* BT Codec DAI
|
|
|
|
*/
|
2008-04-30 18:24:54 +00:00
|
|
|
static struct snd_soc_cpu_dai bt_dai = {
|
|
|
|
.name = "Bluetooth",
|
2007-05-14 09:03:52 +00:00
|
|
|
.id = 0,
|
|
|
|
.type = SND_SOC_DAI_PCM,
|
|
|
|
.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_machine neo1973 = {
|
|
|
|
.name = "neo1973",
|
|
|
|
.dai_link = neo1973_dai,
|
|
|
|
.num_links = ARRAY_SIZE(neo1973_dai),
|
|
|
|
};
|
|
|
|
|
|
|
|
static struct wm8753_setup_data neo1973_wm8753_setup = {
|
|
|
|
.i2c_address = 0x1a,
|
|
|
|
};
|
|
|
|
|
|
|
|
static struct snd_soc_device neo1973_snd_devdata = {
|
|
|
|
.machine = &neo1973,
|
|
|
|
.platform = &s3c24xx_soc_platform,
|
|
|
|
.codec_dev = &soc_codec_dev_wm8753,
|
|
|
|
.codec_data = &neo1973_wm8753_setup,
|
|
|
|
};
|
|
|
|
|
|
|
|
static struct i2c_client client_template;
|
|
|
|
|
2008-01-27 17:14:47 +00:00
|
|
|
static const unsigned short normal_i2c[] = { 0x7C, I2C_CLIENT_END };
|
2007-05-14 09:03:52 +00:00
|
|
|
|
|
|
|
/* Magic definition of all other variables and things */
|
|
|
|
I2C_CLIENT_INSMOD;
|
|
|
|
|
|
|
|
static int lm4857_amp_probe(struct i2c_adapter *adap, int addr, int kind)
|
|
|
|
{
|
|
|
|
int ret;
|
|
|
|
|
|
|
|
client_template.adapter = adap;
|
|
|
|
client_template.addr = addr;
|
|
|
|
|
|
|
|
i2c = kmemdup(&client_template, sizeof(client_template), GFP_KERNEL);
|
|
|
|
if (i2c == NULL)
|
|
|
|
return -ENOMEM;
|
|
|
|
|
|
|
|
ret = i2c_attach_client(i2c);
|
|
|
|
if (ret < 0) {
|
|
|
|
printk(KERN_ERR "LM4857 failed to attach at addr %x\n", addr);
|
|
|
|
goto exit_err;
|
|
|
|
}
|
|
|
|
|
|
|
|
lm4857_write_regs();
|
|
|
|
return ret;
|
|
|
|
|
|
|
|
exit_err:
|
|
|
|
kfree(i2c);
|
|
|
|
return ret;
|
|
|
|
}
|
|
|
|
|
|
|
|
static int lm4857_i2c_detach(struct i2c_client *client)
|
|
|
|
{
|
|
|
|
i2c_detach_client(client);
|
|
|
|
kfree(client);
|
|
|
|
return 0;
|
|
|
|
}
|
|
|
|
|
|
|
|
static int lm4857_i2c_attach(struct i2c_adapter *adap)
|
|
|
|
{
|
|
|
|
return i2c_probe(adap, &addr_data, lm4857_amp_probe);
|
|
|
|
}
|
|
|
|
|
|
|
|
/* corgi i2c codec control layer */
|
|
|
|
static struct i2c_driver lm4857_i2c_driver = {
|
|
|
|
.driver = {
|
|
|
|
.name = "LM4857 I2C Amp",
|
|
|
|
.owner = THIS_MODULE,
|
|
|
|
},
|
|
|
|
.id = I2C_DRIVERID_LM4857,
|
|
|
|
.attach_adapter = lm4857_i2c_attach,
|
|
|
|
.detach_client = lm4857_i2c_detach,
|
|
|
|
.command = NULL,
|
|
|
|
};
|
|
|
|
|
|
|
|
static struct i2c_client client_template = {
|
|
|
|
.name = "LM4857",
|
|
|
|
.driver = &lm4857_i2c_driver,
|
|
|
|
};
|
|
|
|
|
|
|
|
static struct platform_device *neo1973_snd_device;
|
|
|
|
|
|
|
|
static int __init neo1973_init(void)
|
|
|
|
{
|
|
|
|
int ret;
|
|
|
|
|
|
|
|
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);
|
|
|
|
|
|
|
|
ret = i2c_add_driver(&lm4857_i2c_driver);
|
|
|
|
if (ret != 0)
|
|
|
|
printk(KERN_ERR "can't add i2c driver");
|
|
|
|
|
|
|
|
return ret;
|
|
|
|
}
|
|
|
|
|
|
|
|
static void __exit neo1973_exit(void)
|
|
|
|
{
|
2008-04-22 15:10:23 +00:00
|
|
|
i2c_del_driver(&lm4857_i2c_driver);
|
2007-05-14 09:03:52 +00:00
|
|
|
platform_device_unregister(neo1973_snd_device);
|
|
|
|
}
|
|
|
|
|
|
|
|
module_init(neo1973_init);
|
|
|
|
module_exit(neo1973_exit);
|
|
|
|
|
|
|
|
/* Module information */
|
2008-04-30 18:25:23 +00:00
|
|
|
MODULE_AUTHOR("Graeme Gregory, graeme@openmoko.org, www.openmoko.org");
|
2007-05-14 09:03:52 +00:00
|
|
|
MODULE_DESCRIPTION("ALSA SoC WM8753 Neo1973");
|
|
|
|
MODULE_LICENSE("GPL");
|