diff options
Diffstat (limited to 'recipes/linux/linux-smdk2443/0021-Add-Neo1973-ASoC-support.patch')
| -rw-r--r-- | recipes/linux/linux-smdk2443/0021-Add-Neo1973-ASoC-support.patch | 763 |
1 files changed, 763 insertions, 0 deletions
diff --git a/recipes/linux/linux-smdk2443/0021-Add-Neo1973-ASoC-support.patch b/recipes/linux/linux-smdk2443/0021-Add-Neo1973-ASoC-support.patch new file mode 100644 index 0000000000..4b518241b8 --- /dev/null +++ b/recipes/linux/linux-smdk2443/0021-Add-Neo1973-ASoC-support.patch @@ -0,0 +1,763 @@ +From eb7cbe67158924a0de114664ce5251fcad418b12 Mon Sep 17 00:00:00 2001 +From: Liam Girdwood <liam@localhost.localdomain> +Date: Sun, 4 Mar 2007 16:58:40 +0000 +Subject: [PATCH] Add Neo1973 ASoC support. + +Signed-off-by: Graeme Gregory <gg@opensource.wolfsonmicro.com> +Signed-off-by: Liam Girdwood <lg@opensource.wolfsonmicro.com> +--- + sound/soc/s3c24xx/Kconfig | 9 + + sound/soc/s3c24xx/Makefile | 4 + + sound/soc/s3c24xx/lm4857.h | 15 + + sound/soc/s3c24xx/neo1973_wm8753.c | 686 ++++++++++++++++++++++++++++++++++++ + 4 files changed, 714 insertions(+), 0 deletions(-) + create mode 100644 sound/soc/s3c24xx/lm4857.h + create mode 100644 sound/soc/s3c24xx/neo1973_wm8753.c + +diff --git a/sound/soc/s3c24xx/Kconfig b/sound/soc/s3c24xx/Kconfig +index 433da9f..c414886 100644 +--- a/sound/soc/s3c24xx/Kconfig ++++ b/sound/soc/s3c24xx/Kconfig +@@ -12,5 +12,14 @@ config SND_S3C24XX_SOC + config SND_S3C24XX_SOC_I2S + tristate + ++config SND_S3C24XX_SOC_NEO1973_WM8753 ++ tristate "SoC I2S Audio support for NEO1973 - WM8753" ++ depends on SND_S3C24XX_SOC && MACH_GTA01 ++ select SND_S3C24XX_SOC_I2S ++ select SND_SOC_WM8753 ++ help ++ Say Y if you want to add support for SoC audio on smdk2440 ++ with the WM8753. ++ + endmenu + +diff --git a/sound/soc/s3c24xx/Makefile b/sound/soc/s3c24xx/Makefile +index 56200d7..7b5c6fe 100644 +--- a/sound/soc/s3c24xx/Makefile ++++ b/sound/soc/s3c24xx/Makefile +@@ -5,3 +5,7 @@ snd-soc-s3c24xx-i2s-objs := s3c24xx-i2s.o + obj-$(CONFIG_SND_S3C24XX_SOC) += snd-soc-s3c24xx.o + obj-$(CONFIG_SND_S3C24XX_SOC_I2S) += snd-soc-s3c24xx-i2s.o + ++# S3C24XX Machine Support ++snd-soc-neo1973-wm8753-objs := neo1973_wm8753.o ++ ++obj-$(CONFIG_SND_S3C24XX_SOC_NEO1973_WM8753) += snd-soc-neo1973-wm8753.o +diff --git a/sound/soc/s3c24xx/lm4857.h b/sound/soc/s3c24xx/lm4857.h +new file mode 100644 +index 0000000..382d6c4 +--- /dev/null ++++ b/sound/soc/s3c24xx/lm4857.h +@@ -0,0 +1,15 @@ ++#ifndef LM4857_H_ ++#define LM4857_H_ ++ ++/* The register offsets in the cache array */ ++#define LM4857_MVOL 0 ++#define LM4857_LVOL 1 ++#define LM4857_RVOL 2 ++#define LM4857_CTRL 3 ++ ++/* the shifts required to set these bits */ ++#define LM4857_3D 5 ++#define LM4857_WAKEUP 5 ++#define LM4857_EPGAIN 4 ++ ++#endif /*LM4857_H_*/ +diff --git a/sound/soc/s3c24xx/neo1973_wm8753.c b/sound/soc/s3c24xx/neo1973_wm8753.c +new file mode 100644 +index 0000000..46a70e3 +--- /dev/null ++++ b/sound/soc/s3c24xx/neo1973_wm8753.c +@@ -0,0 +1,686 @@ ++/* ++ * 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/driver.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-iis.h> ++#include <asm/arch/regs-clock.h> ++#include <asm/arch/regs-gpio.h> ++#include <asm/arch/hardware.h> ++#include <asm/arch/audio.h> ++#include <asm/io.h> ++#include <asm/arch/spi-gpio.h> ++#include "../codecs/wm8753.h" ++#include "lm4857.h" ++#include "s3c24xx-pcm.h" ++#include "s3c24xx-i2s.h" ++ ++#define NEO1973_DEBUG 0 ++#if NEO1973_DEBUG ++#define DBG(x...) printk(KERN_DEBUG x) ++#else ++#define DBG(x...) ++#endif ++ ++/* 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, ++ S3C2410_IISMOD_32FS ); ++ 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, ++ S3C24XX_PRESCALE(4,4)); ++ 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; ++ ++ /* todo: gg where is sysclk coming from for voice ?? */ ++ 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, ++}; ++ ++static int neo1973_scenario = 0; ++ ++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) ++{ ++ switch(neo1973_scenario) { ++ 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_WARNING "lm4857: i2c write failed\n"); ++} ++ ++static int lm4857_get_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; ++ ++ 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; ++ ++ 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; ++ ++ 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 */ ++static const char* audio_map[][3] = { ++ ++ /* 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(5, 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(9,neo_scenarios), ++}; ++ ++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++) { ++ if ((err = snd_ctl_add(codec->card, ++ snd_soc_cnew(&wm8753_neo1973_controls[i],codec, NULL))) < 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 ++ */ ++static struct snd_soc_cpu_dai bt_dai = ++{ .name = "Bluetooth", ++ .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; ++ ++static unsigned short normal_i2c[] = { 0x7C, I2C_CLIENT_END }; ++ ++/* 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; ++ ++ DBG("Entering %s\n", __FUNCTION__); ++ ++ i2c = kzalloc(sizeof(struct i2c_client), GFP_KERNEL); ++ if (i2c == NULL){ ++ return -ENOMEM; ++ } ++ memcpy(i2c, &client_template, sizeof(struct i2c_client)); ++ ++ ret = i2c_attach_client(i2c); ++ if (ret < 0) { ++ DBG("failed to attach codec 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); ++} ++ ++#define I2C_DRIVERID_LM4857 0xA5A5 /* liam - need a proper id */ ++ ++/* 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) ++{ ++ platform_device_unregister(neo1973_snd_device); ++} ++ ++module_init(neo1973_init); ++module_exit(neo1973_exit); ++ ++/* Module information */ ++MODULE_AUTHOR("Graeme Gregory, graeme.gregory@wolfsonmicro.com, www.wolfsonmicro.com"); ++MODULE_DESCRIPTION("ALSA SoC WM8753 Neo1973"); ++MODULE_LICENSE("GPL"); +-- +1.5.0.3 + |