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-rw-r--r--packages/linux/linux-ezx-2.6.21/patches/ezx-asoc.patch1302
1 files changed, 1302 insertions, 0 deletions
diff --git a/packages/linux/linux-ezx-2.6.21/patches/ezx-asoc.patch b/packages/linux/linux-ezx-2.6.21/patches/ezx-asoc.patch
new file mode 100644
index 0000000000..1dda2e544c
--- /dev/null
+++ b/packages/linux/linux-ezx-2.6.21/patches/ezx-asoc.patch
@@ -0,0 +1,1302 @@
+Index: linux-2.6.21/sound/soc/codecs/pcap2.c
+===================================================================
+--- /dev/null 1970-01-01 00:00:00.000000000 +0000
++++ linux-2.6.21/sound/soc/codecs/pcap2.c 2007-09-07 14:28:32.000000000 -0300
+@@ -0,0 +1,796 @@
++/*
++ * pcap2.c - PCAP2 ASIC Audio driver
++ *
++ * Copyright (C) 2007 Daniel Ribeiro <drwyrm@gmail.com>
++ *
++ * This program is free software; you can redistribute it and/or modify
++ * it under the terms of the GNU General Public License version 2 as
++ * published by the Free Software Foundation.
++ */
++
++#include <linux/module.h>
++#include <linux/delay.h>
++#include <linux/moduleparam.h>
++#include <linux/init.h>
++#include <linux/delay.h>
++#include <linux/pm.h>
++#include <linux/platform_device.h>
++#include <sound/driver.h>
++#include <sound/core.h>
++#include <sound/pcm.h>
++#include <sound/pcm_params.h>
++#include <sound/soc.h>
++#include <sound/soc-dapm.h>
++#include <sound/initval.h>
++#include <asm/arch/pxa-regs.h>
++#include <asm/arch/ezx-pcap.h>
++#include <asm/arch/ezx.h>
++#include <asm/arch/hardware.h>
++
++#include "pcap2.h"
++
++#define AUDIO_NAME "pcap2-codec"
++#define PCAP2_VERSION "0.1"
++
++extern int ezx_pcap_write(u_int8_t, u_int32_t);
++extern int ezx_pcap_read(u_int8_t, u_int32_t *);
++static struct snd_soc_device *pcap2_codec_socdev;
++
++/*
++ * Debug
++ */
++
++//#define PCAP2_DEBUG
++
++#ifdef PCAP2_DEBUG
++#define dbg(format, arg...) \
++ printk(KERN_DEBUG AUDIO_NAME ": " format "\n" , ## arg)
++#else
++#define dbg(format, arg...)
++#endif
++
++#define err(format, arg...) \
++ printk(KERN_ERR AUDIO_NAME ": " format "\n" , ## arg)
++#define info(format, arg...) \
++ printk(KERN_INFO AUDIO_NAME ": " format "\n" , ## arg)
++#define warn(format, arg...) \
++ printk(KERN_WARNING AUDIO_NAME ": " format "\n" , ## arg)
++
++#define dump_registers() pcap2_codec_read(NULL, 13); \
++ pcap2_codec_read(NULL, 12); \
++ pcap2_codec_read(NULL, 11); \
++ pcap2_codec_read(NULL, 26);
++
++
++
++
++/*
++ * ASoC limits register value to 16 bits and pcap uses 32 bit registers
++ * to work around this, we get 16 bits from low, mid or high positions.
++ * ASoC limits register number to 8 bits we use 0x1f for register
++ * number and 0xe0 for register offset. -WM
++ */
++static int pcap2_codec_write(struct snd_soc_codec *codec, unsigned int reg,
++ unsigned int value)
++{
++ unsigned int tmp;
++
++ ezx_pcap_read((reg & 0x1f), &tmp);
++
++ if (reg & SL) {
++ tmp &= 0xffff0000;
++ tmp |= (value & 0xffff);
++ }
++ else if (reg & SM) {
++ tmp &= 0xff0000ff;
++ tmp |= ((value << 8) & 0x00ffff00);
++ }
++ else if (reg & SH) {
++ tmp &= 0xffff;
++ tmp |= ((value << 16) & 0xffff0000);
++ }
++ else
++ tmp = value;
++
++ dbg("codec_write reg=%x, rval=%08x, fval=%08x", reg, tmp, value);
++ ezx_pcap_write((reg & 0x1f), tmp);
++ return 0;
++
++}
++
++static unsigned int pcap2_codec_read(struct snd_soc_codec *codec, unsigned int reg)
++{
++ unsigned int tmp, ret;
++
++ ezx_pcap_read((reg & 0x1f), &tmp);
++ ret = tmp;
++ if (reg & SL)
++ ret = (tmp & 0xffff);
++ else if (reg & SM)
++ ret = ((tmp >> 8) & 0xffff);
++ else if (reg & SH)
++ ret = ((tmp >> 16) & 0xffff);
++
++ dbg("codec_read reg=%x, rval=%08x, fval=%08x", reg, tmp, ret);
++ return(ret);
++
++}
++
++static const char *pcap2_output_select[] = {"2ch", "2->1ch", "2->1ch -3db", "2->1ch -6db"};
++
++static const struct soc_enum pcap2_enum[] = {
++SOC_ENUM_SINGLE((PCAP2_OUTPUT_AMP|SH), 3, 4, pcap2_output_select),
++};
++
++static const struct snd_kcontrol_new pcap2_input_mixer_controls[] = {
++SOC_DAPM_SINGLE("A3 Switch", (PCAP2_INPUT_AMP|SL), 6, 1, 0),
++SOC_DAPM_SINGLE("A5 Switch", (PCAP2_INPUT_AMP|SL), 8, 1, 0),
++};
++
++static const struct snd_kcontrol_new pcap2_output_mixer_controls[] = {
++SOC_DAPM_SINGLE("A1 Switch", (PCAP2_OUTPUT_AMP|SL), 0, 1, 0),
++SOC_DAPM_SINGLE("A2 Switch", (PCAP2_OUTPUT_AMP|SL), 1, 1, 0),
++SOC_DAPM_SINGLE("AR Switch", (PCAP2_OUTPUT_AMP|SL), 5, 1, 0),
++SOC_DAPM_SINGLE("AL Switch", (PCAP2_OUTPUT_AMP|SL), 6, 1, 0),
++};
++
++/* pcap2 codec non DAPM controls */
++static const struct snd_kcontrol_new pcap2_codec_snd_controls[] = {
++SOC_SINGLE("Output gain", (PCAP2_OUTPUT_AMP|SM), 5, 15, 0),
++SOC_SINGLE("Input gain", (PCAP2_INPUT_AMP|SL), 0, 31, 0),
++};
++
++static const struct snd_kcontrol_new pcap2_codec_dm_mux_control[] = {
++ SOC_DAPM_ENUM("Output Mode", pcap2_enum[0]),
++};
++
++/* add non dapm controls */
++static int pcap2_codec_add_controls(struct snd_soc_codec *codec)
++{
++ int err, i;
++
++ for (i = 0; i < ARRAY_SIZE(pcap2_codec_snd_controls); i++) {
++ if ((err = snd_ctl_add(codec->card,
++ snd_soc_cnew(&pcap2_codec_snd_controls[i],codec, NULL))) < 0)
++ return err;
++ }
++
++ return 0;
++}
++
++/* pcap2 codec DAPM controls */
++static const struct snd_soc_dapm_widget pcap2_codec_dapm_widgets[] = {
++ SND_SOC_DAPM_DAC("ST_DAC", "ST_DAC playback", SND_SOC_NOPM, 0, 0),
++ SND_SOC_DAPM_DAC("CDC_DAC", "CDC_DAC playback", SND_SOC_NOPM, 0, 0),
++ SND_SOC_DAPM_ADC("CDC_ADC", "CDC_DAC capture", SND_SOC_NOPM, 0, 0),
++ SND_SOC_DAPM_PGA("PGA_ST", (PCAP2_OUTPUT_AMP|SL), 9, 0, NULL, 0),
++ SND_SOC_DAPM_PGA("PGA_CDC", (PCAP2_OUTPUT_AMP|SL), 8, 0, NULL, 0),
++ SND_SOC_DAPM_PGA("PGA_R", (PCAP2_OUTPUT_AMP|SL), 11, 0, NULL, 0),
++ SND_SOC_DAPM_PGA("PGA_L", (PCAP2_OUTPUT_AMP|SL), 12, 0, NULL, 0),
++ SND_SOC_DAPM_MUX("Downmixer", SND_SOC_NOPM, 0, 0, pcap2_codec_dm_mux_control),
++ SND_SOC_DAPM_PGA("PGA_A1CTRL", (PCAP2_OUTPUT_AMP|SH), 1, 1, NULL, 0),
++ SND_SOC_DAPM_MIXER("Output Mixer", SND_SOC_NOPM, 0, 0, &pcap2_output_mixer_controls[0], ARRAY_SIZE(pcap2_output_mixer_controls)),
++ SND_SOC_DAPM_OUTPUT("A1"), /* Earpiece */
++ SND_SOC_DAPM_OUTPUT("A2"), /* LoudSpeaker */
++ SND_SOC_DAPM_OUTPUT("AR"), /* headset right */
++ SND_SOC_DAPM_OUTPUT("AL"), /* headset left */
++
++ SND_SOC_DAPM_MICBIAS("BIAS1", (PCAP2_INPUT_AMP|SL), 10, 0),
++ SND_SOC_DAPM_MICBIAS("BIAS2", (PCAP2_INPUT_AMP|SL), 11, 0),
++ SND_SOC_DAPM_MIXER("Input Mixer", SND_SOC_NOPM, 0, 0, &pcap2_input_mixer_controls[0], ARRAY_SIZE(pcap2_input_mixer_controls)),
++ SND_SOC_DAPM_INPUT("A3"), /* Headset Mic */
++ SND_SOC_DAPM_INPUT("A5"), /* Builtin Mic */
++};
++
++static const char *audio_map[][3] = {
++ { "A1", NULL, "Output Mixer" },
++ { "A2", NULL, "Output Mixer" },
++ { "AR", NULL, "Output Mixer" },
++ { "AL", NULL, "Output Mixer" },
++
++ { "Output Mixer", "A1 Switch", "PGA_A1CTRL" },
++ { "Output Mixer", "A2 Switch", "Downmixer" },
++ { "Output Mixer", "AR Switch", "PGA_R" },
++ { "Output Mixer", "AL Switch", "PGA_L" },
++
++ { "PGA_A1CTRL", NULL, "Downmixer" },
++
++ { "Downmixer", "2->1ch", "PGA_L" },
++ { "Downmixer", "2->1ch", "PGA_R" },
++ { "Downmixer", "2->1ch -3db", "PGA_L" },
++ { "Downmixer", "2->1ch -3db", "PGA_R" },
++ { "Downmixer", "2->1ch -6db", "PGA_L" },
++ { "Downmixer", "2->1ch -6db", "PGA_R" },
++ { "Downmixer", "2ch", "PGA_R" },
++
++ { "PGA_R", NULL, "PGA_ST" },
++ { "PGA_L", NULL, "PGA_ST" },
++ { "PGA_R", NULL, "PGA_CDC" },
++
++ { "PGA_ST", NULL, "ST_DAC" },
++ { "PGA_CDC", NULL, "CDC_DAC" },
++
++ /* input path */
++ { "BIAS1", NULL, "A3" },
++ { "BIAS2", NULL, "A5" },
++
++ { "Input Mixer", "A3 Switch", "BIAS1" },
++ { "Input Mixer", "A5 Switch", "BIAS2" },
++
++ { "PGA_R", NULL, "Input Mixer" },
++
++ { "PGA_CDC", NULL, "PGA_R" },
++ { "CDC_ADC", NULL, "PGA_CDC" },
++
++ /* terminator */
++ {NULL, NULL, NULL},
++};
++
++static int pcap2_codec_add_widgets(struct snd_soc_codec *codec)
++{
++ int i;
++
++ for(i = 0; i < ARRAY_SIZE(pcap2_codec_dapm_widgets); i++) {
++ snd_soc_dapm_new_control(codec, &pcap2_codec_dapm_widgets[i]);
++ }
++
++ /* set up audio path interconnects */
++ 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_new_widgets(codec);
++ return 0;
++}
++
++static int pcap2_codec_dapm_event(struct snd_soc_codec *codec, int event)
++{
++ unsigned int input = pcap2_codec_read(codec, PCAP2_INPUT_AMP);
++
++ input &= ~PCAP2_INPUT_AMP_LOWPWR;
++
++ switch (event) {
++ case SNDRV_CTL_POWER_D0:
++ case SNDRV_CTL_POWER_D1:
++ case SNDRV_CTL_POWER_D2:
++ case SNDRV_CTL_POWER_D3hot: /* Off, with power */
++ dbg("dapm: ON\n");
++ break;
++ case SNDRV_CTL_POWER_D3cold: /* Off, without power */
++ input |= PCAP2_INPUT_AMP_LOWPWR;
++ dbg("dapm: OFF\n");
++ break;
++ }
++ codec->dapm_state = event;
++ pcap2_codec_write(codec, PCAP2_INPUT_AMP, input);
++ return 0;
++}
++
++static int pcap2_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_codec *codec = codec_dai->codec;
++ unsigned int tmp;
++
++ if (codec_dai->id == PCAP2_STEREO_DAI) {
++ tmp = pcap2_codec_read(codec, PCAP2_ST_DAC);
++
++ tmp &= ~PCAP2_ST_DAC_RATE_MASK;
++ switch(params_rate(params)) {
++ case 8000:
++ break;
++ case 11025:
++ tmp |= PCAP2_ST_DAC_RATE_11025;
++ break;
++ case 12000:
++ tmp |= PCAP2_ST_DAC_RATE_12000;
++ break;
++ case 16000:
++ tmp |= PCAP2_ST_DAC_RATE_16000;
++ break;
++ case 22050:
++ tmp |= PCAP2_ST_DAC_RATE_22050;
++ break;
++ case 24000:
++ tmp |= PCAP2_ST_DAC_RATE_24000;
++ break;
++ case 32000:
++ tmp |= PCAP2_ST_DAC_RATE_32000;
++ break;
++ case 44100:
++ tmp |= PCAP2_ST_DAC_RATE_44100;
++ break;
++ case 48000:
++ tmp |= PCAP2_ST_DAC_RATE_48000;
++ break;
++ default:
++ return -EINVAL;
++ }
++ tmp |= PCAP2_ST_DAC_RESET_DF;
++ pcap2_codec_write(codec, PCAP2_ST_DAC, tmp);
++ }
++ else {
++ tmp = pcap2_codec_read(codec, PCAP2_CODEC);
++
++ tmp &= ~PCAP2_CODEC_RATE_MASK;
++ switch(params_rate(params)) {
++ case 8000:
++ break;
++ case 16000:
++ tmp |= PCAP2_CODEC_RATE_16000;
++ break;
++ default:
++ return -EINVAL;
++ }
++ tmp |= PCAP2_CODEC_RESET_DF;
++ pcap2_codec_write(codec, PCAP2_CODEC, tmp);
++ }
++
++ return 0;
++}
++
++static int pcap2_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;
++ struct snd_soc_codec *codec = codec_dai->codec;
++ struct snd_soc_dapm_widget *w;
++ unsigned int tmp;
++
++ if (codec_dai->id == PCAP2_STEREO_DAI) {
++ snd_soc_dapm_set_endpoint(codec, "ST_DAC", 0);
++ tmp = pcap2_codec_read(codec, PCAP2_ST_DAC);
++ tmp &= ~(PCAP2_ST_DAC_EN | PCAP2_ST_DAC_CLK_EN);
++ pcap2_codec_write(codec, PCAP2_ST_DAC, tmp);
++ }
++ else {
++ if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK)
++ snd_soc_dapm_set_endpoint(codec, "CDC_DAC", 0);
++ else
++ snd_soc_dapm_set_endpoint(codec, "CDC_ADC", 0);
++ list_for_each_entry(w, &codec->dapm_widgets, list) {
++ if ((!strcmp(w->name, "CDC_DAC") || !strcmp(w->name, "CDC_ADC")) && w->connected)
++ goto in_use;
++ }
++ tmp = pcap2_codec_read(codec, PCAP2_CODEC);
++ tmp &= ~(PCAP2_CODEC_EN | PCAP2_CODEC_CLK_EN);
++ pcap2_codec_write(codec, PCAP2_CODEC, tmp);
++ }
++in_use:
++ snd_soc_dapm_sync_endpoints(codec);
++
++ return 0;
++}
++
++static int pcap2_set_dai_sysclk(struct snd_soc_codec_dai *codec_dai,
++ int clk_id, unsigned int freq, int dir)
++{
++ struct snd_soc_codec *codec = codec_dai->codec;
++
++ unsigned int tmp;
++ if (codec_dai->id == PCAP2_STEREO_DAI) {
++ /* ST_DAC */
++
++ tmp = pcap2_codec_read(codec, PCAP2_ST_DAC);
++
++ tmp &= ~PCAP2_ST_DAC_CLKSEL_MASK;
++ switch (clk_id) {
++ case PCAP2_CLK_AP:
++ tmp |= PCAP2_ST_DAC_CLKSEL_AP;
++ break;
++ case PCAP2_CLK_BP:
++ break;
++ default:
++ return -ENODEV;
++ }
++
++ tmp &= ~PCAP2_ST_DAC_CLK_MASK;
++ switch (freq) {
++ case 13000000:
++ break;
++/* case 15M36:
++ tmp |= PCAP2_ST_DAC_CLK_15M36;
++ break;
++ case 16M8:
++ tmp |= PCAP2_ST_DAC_CLK_16M8;
++ break;
++ case 19M44:
++ tmp |= PCAP2_ST_DAC_CLK_19M44;
++ break;
++*/ case 26000000:
++ tmp |= PCAP2_ST_DAC_CLK_26M;
++ break;
++/* case EXT_MCLK:
++ tmp |= PCAP2_ST_DAC_CLK_MCLK;
++ break;
++ case FSYNC:
++ tmp |= PCAP2_ST_DAC_CLK_FSYNC;
++ break;
++ case BITCLK:
++ tmp |= PCAP2_ST_DAC_CLK_BITCLK;
++ break;
++*/ default:
++ return -EINVAL;
++ }
++ pcap2_codec_write(codec, PCAP2_ST_DAC, tmp);
++ }
++ else {
++ /* MONO_DAC */
++ tmp = pcap2_codec_read(codec, PCAP2_CODEC);
++
++ tmp &= ~PCAP2_CODEC_CLKSEL_MASK;
++ switch (clk_id) {
++ case PCAP2_CLK_AP:
++ tmp |= PCAP2_CODEC_CLKSEL_AP;
++ break;
++ case PCAP2_CLK_BP:
++ break;
++ default:
++ return -ENODEV;
++ }
++
++ tmp &= ~PCAP2_CODEC_CLK_MASK;
++ switch (freq) {
++ case 13000000:
++ break;
++/* case 15M36:
++ tmp |= PCAP2_CODEC_CLK_15M36;
++ break;
++ case 16M8:
++ tmp |= PCAP2_CODEC_CLK_16M8;
++ break;
++ case 19M44:
++ tmp |= PCAP2_CODEC_CLK_19M44;
++ break;
++*/ case 26000000:
++ tmp |= PCAP2_CODEC_CLK_26M;
++ break;
++ default:
++ return -EINVAL;
++ }
++ pcap2_codec_write(codec, PCAP2_CODEC, tmp);
++ }
++ return 0;
++}
++
++static int pcap2_set_dai_fmt(struct snd_soc_codec_dai *codec_dai,
++ unsigned int fmt)
++{
++ struct snd_soc_codec *codec = codec_dai->codec;
++ unsigned int tmp = 0;
++
++ if (codec_dai->id == PCAP2_STEREO_DAI) {
++ /* ST_DAC */
++
++ /* disable CODEC */
++ pcap2_codec_write(codec, PCAP2_CODEC, 0);
++
++ switch (fmt & SND_SOC_DAIFMT_MASTER_MASK) {
++ case SND_SOC_DAIFMT_CBM_CFM:
++ break;
++ case SND_SOC_DAIFMT_CBS_CFS:
++ tmp |= 0x1;
++ break;
++ default:
++ return -EINVAL;
++ }
++
++ switch (fmt & SND_SOC_DAIFMT_FORMAT_MASK) {
++ case SND_SOC_DAIFMT_I2S:
++ tmp |= 0x4000;
++ break;
++/* case SND_SOC_NET:
++ tmp |= 0x2000;
++ break;
++*/ case SND_SOC_DAIFMT_DSP_B:
++ break;
++ default:
++ return -EINVAL;
++ }
++
++ switch (fmt & SND_SOC_DAIFMT_INV_MASK) {
++ case SND_SOC_DAIFMT_IB_IF:
++ break;
++ case SND_SOC_DAIFMT_NB_NF:
++ tmp |= 0x60000;
++ break;
++ case SND_SOC_DAIFMT_IB_NF:
++ tmp |= 0x40000;
++ break;
++ case SND_SOC_DAIFMT_NB_IF:
++ tmp |= 0x20000;
++ break;
++ }
++ /* set dai to AP */
++ tmp |= 0x1000;
++
++ /* set BCLK */
++ tmp |= 0x18000;
++
++ pcap2_codec_write(codec, PCAP2_ST_DAC, tmp);
++ }
++ else {
++ /* MONO_DAC */
++
++ /* disable ST_DAC */
++ pcap2_codec_write(codec, PCAP2_ST_DAC, 0);
++
++ switch (fmt & SND_SOC_DAIFMT_MASTER_MASK) {
++ case SND_SOC_DAIFMT_CBM_CFM:
++ break;
++ case SND_SOC_DAIFMT_CBS_CFS:
++ tmp |= 0x2;
++ break;
++ default:
++ return -EINVAL;
++ }
++
++ switch (fmt & SND_SOC_DAIFMT_FORMAT_MASK) {
++ case SND_SOC_DAIFMT_DSP_B:
++ break;
++ default:
++ return -EINVAL;
++ }
++
++ switch (fmt & SND_SOC_DAIFMT_INV_MASK) {
++ case SND_SOC_DAIFMT_IB_IF:
++ break;
++ case SND_SOC_DAIFMT_NB_NF:
++ tmp |= 0x600;
++ break;
++ case SND_SOC_DAIFMT_IB_NF:
++ tmp |= 0x400;
++ break;
++ case SND_SOC_DAIFMT_NB_IF:
++ tmp |= 0x200;
++ break;
++ }
++ if (codec_dai->id == PCAP2_MONO_DAI)
++ /* set dai to AP */
++ tmp |= 0x8000;
++
++ tmp |= 0x5; /* IHF / OHF */
++
++ pcap2_codec_write(codec, PCAP2_CODEC, tmp);
++ }
++ return 0;
++}
++
++static int pcap2_prepare(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;
++ struct snd_soc_codec *codec = codec_dai->codec;
++ unsigned int tmp;
++ /* FIXME enable clock only if codec is master */
++ if (codec_dai->id == PCAP2_STEREO_DAI) {
++ snd_soc_dapm_set_endpoint(codec, "ST_DAC", 1);
++ snd_soc_dapm_set_endpoint(codec, "CDC_DAC", 0);
++ snd_soc_dapm_set_endpoint(codec, "CDC_ADC", 0);
++ tmp = pcap2_codec_read(codec, PCAP2_ST_DAC);
++ tmp |= (PCAP2_ST_DAC_EN | PCAP2_ST_DAC_CLK_EN);
++ pcap2_codec_write(codec, PCAP2_ST_DAC, tmp);
++ }
++ else {
++ if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK)
++ snd_soc_dapm_set_endpoint(codec, "CDC_DAC", 1);
++ else
++ snd_soc_dapm_set_endpoint(codec, "CDC_ADC", 1);
++ snd_soc_dapm_set_endpoint(codec, "ST_DAC", 0);
++ tmp = pcap2_codec_read(codec, PCAP2_CODEC);
++ tmp |= (PCAP2_CODEC_EN | PCAP2_CODEC_CLK_EN);
++ pcap2_codec_write(codec, PCAP2_CODEC, tmp);
++ }
++ snd_soc_dapm_sync_endpoints(codec);
++ mdelay(1);
++#ifdef PCAP2_DEBUG
++ dump_registers();
++#endif
++ return 0;
++}
++
++/*
++ * Define codec DAI.
++ */
++struct snd_soc_codec_dai pcap2_dai[] = {
++{
++ .name = "PCAP2 MONO",
++ .id = 0,
++ .playback = {
++ .stream_name = "CDC_DAC playback",
++ .channels_min = 1,
++ .channels_max = 1,
++ .rates = (SNDRV_PCM_RATE_8000 | SNDRV_PCM_RATE_16000),
++ .formats = SNDRV_PCM_FMTBIT_S16_LE,
++ },
++ .capture = {
++ .stream_name = "CDC_DAC capture",
++ .channels_min = 1,
++ .channels_max = 1,
++ .rates = (SNDRV_PCM_RATE_8000 | SNDRV_PCM_RATE_16000),
++ .formats = SNDRV_PCM_FMTBIT_S16_LE,
++ },
++ .ops = {
++ .prepare = pcap2_prepare,
++ .hw_params = pcap2_hw_params,
++ .hw_free = pcap2_hw_free,
++ },
++ .dai_ops = {
++// .digital_mute = pcap2_mute,
++ .set_fmt = pcap2_set_dai_fmt,
++ .set_sysclk = pcap2_set_dai_sysclk,
++ },
++},
++{
++ .name = "PCAP2 STEREO",
++ .id = 1,
++ .playback = {
++ .stream_name = "ST_DAC playback",
++ .channels_min = 1,
++ .channels_max = 2,
++ .rates = (SNDRV_PCM_RATE_8000 | SNDRV_PCM_RATE_11025 |
++ SNDRV_PCM_RATE_16000 | SNDRV_PCM_RATE_22050 |
++ SNDRV_PCM_RATE_32000 | SNDRV_PCM_RATE_44100 |
++ SNDRV_PCM_RATE_48000),
++ .formats = SNDRV_PCM_FMTBIT_S16_LE,
++ },
++ .capture = { /* FIXME: PCAP support this?? */
++ .stream_name = "ST_DAC capture",
++ .channels_min = 1,
++ .channels_max = 1,
++ .rates = (SNDRV_PCM_RATE_8000 | SNDRV_PCM_RATE_11025 |
++ SNDRV_PCM_RATE_16000 | SNDRV_PCM_RATE_22050 |
++ SNDRV_PCM_RATE_32000 | SNDRV_PCM_RATE_44100 |
++ SNDRV_PCM_RATE_48000),
++ .formats = SNDRV_PCM_FMTBIT_S16_LE,
++ },
++ .ops = {
++ .prepare = pcap2_prepare,
++ .hw_params = pcap2_hw_params,
++ .hw_free = pcap2_hw_free,
++ },
++ .dai_ops = {
++// .digital_mute = pcap2_mute,
++ .set_fmt = pcap2_set_dai_fmt,
++ .set_sysclk = pcap2_set_dai_sysclk,
++ },
++},
++{
++ .name = "PCAP2 BP",
++ .id = 2,
++ .playback = {
++ .stream_name = "BP playback",
++ .channels_min = 1,
++ .channels_max = 1,
++ .rates = SNDRV_PCM_RATE_8000,
++ .formats = SNDRV_PCM_FMTBIT_S16_LE,
++ },
++ .ops = {
++ .prepare = pcap2_prepare,
++ .hw_params = pcap2_hw_params,
++ .hw_free = pcap2_hw_free,
++ },
++ .dai_ops = {
++// .digital_mute = pcap2_mute,
++ .set_fmt = pcap2_set_dai_fmt,
++ .set_sysclk = pcap2_set_dai_sysclk,
++ },
++},
++};
++EXPORT_SYMBOL_GPL(pcap2_dai);
++
++static int pcap2_codec_suspend(struct platform_device *pdev, pm_message_t state)
++{
++ struct snd_soc_device *socdev = platform_get_drvdata(pdev);
++ struct snd_soc_codec *codec = socdev->codec;
++
++ dbg("pcap2_codec_suspend");
++ pcap2_codec_dapm_event(codec, SNDRV_CTL_POWER_D3cold);
++ return 0;
++}
++
++static int pcap2_codec_resume(struct platform_device *pdev)
++{
++ struct snd_soc_device *socdev = platform_get_drvdata(pdev);
++ struct snd_soc_codec *codec = socdev->codec;
++
++ dbg("pcap2_codec_resume");
++ pcap2_codec_dapm_event(codec, SNDRV_CTL_POWER_D3hot);
++ pcap2_codec_dapm_event(codec, codec->suspend_dapm_state);
++ return 0;
++}
++
++/*
++ * initialise the PCAP2 driver
++ * register the mixer and dsp interfaces with the kernel
++ */
++static int pcap2_codec_init(struct snd_soc_device *socdev)
++{
++ struct snd_soc_codec *codec = socdev->codec;
++ int ret = 0;
++
++ dbg("pcap2_codec_init");
++ codec->name = "PCAP2 Audio";
++ codec->owner = THIS_MODULE;
++ codec->read = pcap2_codec_read;
++ codec->write = pcap2_codec_write;
++ codec->dapm_event = pcap2_codec_dapm_event;
++ codec->dai = pcap2_dai;
++ codec->num_dai = ARRAY_SIZE(pcap2_dai);
++
++ /* register pcms */
++ ret = snd_soc_new_pcms(socdev, SNDRV_DEFAULT_IDX1, SNDRV_DEFAULT_STR1);
++ if (ret < 0) {
++ return ret;
++ }
++ /* power on device */
++ pcap2_codec_dapm_event(codec, SNDRV_CTL_POWER_D3hot);
++ /* set the update bits */
++
++ pcap2_codec_add_controls(codec);
++ pcap2_codec_add_widgets(codec);
++ ret = snd_soc_register_card(socdev);
++ if (ret < 0) {
++ snd_soc_free_pcms(socdev);
++ snd_soc_dapm_free(socdev);
++ }
++
++ return ret;
++}
++
++static int pcap2_codec_probe(struct platform_device *pdev)
++{
++ struct snd_soc_device *socdev = platform_get_drvdata(pdev);
++ struct pcap2_codec_setup_data *setup;
++ struct snd_soc_codec *codec;
++ int ret = 0;
++ info("PCAP2 Audio Codec %s", PCAP2_VERSION);
++
++ setup = socdev->codec_data;
++ codec = kzalloc(sizeof(struct snd_soc_codec), GFP_KERNEL);
++ if (codec == NULL)
++ return -ENOMEM;
++
++ socdev->codec = codec;
++ mutex_init(&codec->mutex);
++ INIT_LIST_HEAD(&codec->dapm_widgets);
++ INIT_LIST_HEAD(&codec->dapm_paths);
++
++ pcap2_codec_socdev = socdev;
++
++ ret = pcap2_codec_init(socdev);
++ return ret;
++}
++
++/* power down chip and remove */
++static int pcap2_codec_remove(struct platform_device *pdev)
++{
++ struct snd_soc_device *socdev = platform_get_drvdata(pdev);
++ struct snd_soc_codec *codec = socdev->codec;
++ if (codec->control_data)
++ pcap2_codec_dapm_event(codec, SNDRV_CTL_POWER_D3cold);
++ snd_soc_free_pcms(socdev);
++ snd_soc_dapm_free(socdev);
++
++ kfree(codec);
++
++ return 0;
++}
++
++/* codec device ops */
++struct snd_soc_codec_device soc_codec_dev_pcap2 = {
++ .probe = pcap2_codec_probe,
++ .remove = pcap2_codec_remove,
++ .suspend = pcap2_codec_suspend,
++ .resume = pcap2_codec_resume,
++};
++
++EXPORT_SYMBOL_GPL(soc_codec_dev_pcap2);
++
++MODULE_DESCRIPTION("ASoC PCAP2 codec");
++MODULE_AUTHOR("Daniel Ribeiro");
++MODULE_LICENSE("GPL");
+Index: linux-2.6.21/sound/soc/codecs/pcap2.h
+===================================================================
+--- /dev/null 1970-01-01 00:00:00.000000000 +0000
++++ linux-2.6.21/sound/soc/codecs/pcap2.h 2007-09-07 12:13:49.000000000 -0300
+@@ -0,0 +1,81 @@
++/*
++ * This program is free software; you can redistribute it and/or modify
++ * it under the terms of the GNU General Public License version 2 as
++ * published by the Free Software Foundation.
++ */
++
++#ifndef _PCAP2_H
++#define _PCAP2_H
++
++/* 16 bit reads/writes on pcap registers (ugly workaround) */
++#define SL (1 << 5) /* lower 16 bits */
++#define SM (1 << 6) /* mid 16 bits */
++#define SH (1 << 7) /* higher 16 bits */
++
++/* PCAP2 register space */
++#define PCAP2_CODEC 0x0b
++#define PCAP2_OUTPUT_AMP 0x0c
++#define PCAP2_ST_DAC 0x0d
++#define PCAP2_INPUT_AMP 0x1a
++
++#define PCAP2_MONO_DAI 0
++#define PCAP2_STEREO_DAI 1
++#define PCAP2_BP_DAI 2
++
++#define PCAP2_CLK_BP 0
++#define PCAP2_CLK_AP 1
++
++#define PCAP2_CODEC_EN 0x2000
++#define PCAP2_CODEC_CLK_EN 0x1000
++#define PCAP2_CODEC_RESET_DF 0x800
++#define PCAP2_CODEC_RATE_MASK 0x4000
++#define PCAP2_CODEC_RATE_8000 0x0
++#define PCAP2_CODEC_RATE_16000 0x4000
++#define PCAP2_CODEC_CLKSEL_MASK 0x10000
++#define PCAP2_CODEC_CLKSEL_AP 0x10000
++#define PCAP2_CODEC_CLKSEL_BP 0x0
++#define PCAP2_CODEC_CLK_MASK 0x1c0
++#define PCAP2_CODEC_CLK_13M 0x0
++#define PCAP2_CODEC_CLK_15M36 0x40
++#define PCAP2_CODEC_CLK_16M8 0x80
++#define PCAP2_CODEC_CLK_19M44 0xc0
++#define PCAP2_CODEC_CLK_26M 0x100
++
++#define PCAP2_ST_DAC_EN 0x80
++#define PCAP2_ST_DAC_CLK_EN 0x20
++#define PCAP2_ST_DAC_RESET_DF 0x40
++#define PCAP2_ST_DAC_RATE_MASK 0xf00
++#define PCAP2_ST_DAC_RATE_8000 0x0
++#define PCAP2_ST_DAC_RATE_11025 0x100
++#define PCAP2_ST_DAC_RATE_12000 0x200
++#define PCAP2_ST_DAC_RATE_16000 0x300
++#define PCAP2_ST_DAC_RATE_22050 0x400
++#define PCAP2_ST_DAC_RATE_24000 0x500
++#define PCAP2_ST_DAC_RATE_32000 0x600
++#define PCAP2_ST_DAC_RATE_44100 0x700
++#define PCAP2_ST_DAC_RATE_48000 0x800
++#define PCAP2_ST_DAC_CLKSEL_MASK 0x80000
++#define PCAP2_ST_DAC_CLKSEL_AP 0x80000
++#define PCAP2_ST_DAC_CLKSEL_BP 0x0
++#define PCAP2_ST_DAC_CLK_MASK 0x1c
++#define PCAP2_ST_DAC_CLK_13M 0x0
++#define PCAP2_ST_DAC_CLK_15M36 0x4
++#define PCAP2_ST_DAC_CLK_16M8 0x8
++#define PCAP2_ST_DAC_CLK_19M44 0xc
++#define PCAP2_ST_DAC_CLK_26M 0x10
++#define PCAP2_ST_DAC_CLK_MCLK 0x14
++#define PCAP2_ST_DAC_CLK_FSYNC 0x18
++#define PCAP2_ST_DAC_CLK_BITCLK 0x1c
++
++#define PCAP2_INPUT_AMP_LOWPWR 0x80000
++#define PCAP2_INPUT_AMP_V2EN2 0x200000
++
++#define PCAP2_OUTPUT_AMP_PGAR_EN 0x800
++#define PCAP2_OUTPUT_AMP_PGAL_EN 0x1000
++#define PCAP2_OUTPUT_AMP_CDC_SW 0x100
++#define PCAP2_OUTPUT_AMP_ST_DAC_SW 0x200
++
++extern struct snd_soc_codec_dai pcap2_dai[];
++extern struct snd_soc_codec_device soc_codec_dev_pcap2;
++
++#endif
+Index: linux-2.6.21/sound/soc/pxa/Kconfig
+===================================================================
+--- linux-2.6.21.orig/sound/soc/pxa/Kconfig 2007-09-07 12:13:43.000000000 -0300
++++ linux-2.6.21/sound/soc/pxa/Kconfig 2007-09-07 12:13:49.000000000 -0300
+@@ -60,4 +60,13 @@
+ Say Y if you want to add support for SoC audio on Sharp
+ Zaurus SL-C6000x models (Tosa).
+
++config SND_PXA2XX_SOC_EZX
++ tristate "SoC Audio support for EZX"
++ depends on SND_PXA2XX_SOC && PXA_EZX
++ select SND_PXA2XX_SOC_SSP
++ select SND_SOC_PCAP2
++ help
++ Say Y if you want to add support for SoC audio on
++ Motorola EZX Phones (a780/e680).
++
+ endmenu
+Index: linux-2.6.21/sound/soc/pxa/ezx.c
+===================================================================
+--- /dev/null 1970-01-01 00:00:00.000000000 +0000
++++ linux-2.6.21/sound/soc/pxa/ezx.c 2007-09-07 13:12:24.000000000 -0300
+@@ -0,0 +1,349 @@
++/*
++ * ezx.c - Machine specific code for EZX phones
++ *
++ * Copyright (C) 2007 Daniel Ribeiro <drwyrm@gmail.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.
++ *
++ */
++
++#include <linux/module.h>
++#include <linux/moduleparam.h>
++#include <linux/timer.h>
++#include <linux/interrupt.h>
++#include <linux/platform_device.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/arch/pxa-regs.h>
++#include <asm/arch/hardware.h>
++
++#include <asm/arch/ezx-pcap.h>
++
++#include "../codecs/pcap2.h"
++#include "pxa2xx-pcm.h"
++#include "pxa2xx-ssp.h"
++
++#define GPIO_HW_ATTENUATE_A780 96
++
++static struct snd_soc_codec *control_codec;
++
++static void ezx_ext_control(struct snd_soc_codec *codec)
++{
++ if (ezx_pcap_read_bit(pbit(PCAP_REG_PSTAT, PCAP_IRQ_A1)))
++ snd_soc_dapm_set_endpoint(codec, "Headset", 1);
++ else
++ snd_soc_dapm_set_endpoint(codec, "Headset", 0);
++ if (ezx_pcap_read_bit(pbit(PCAP_REG_PSTAT, PCAP_IRQ_MB2)))
++ snd_soc_dapm_set_endpoint(codec, "External Mic", 1);
++ else
++ snd_soc_dapm_set_endpoint(codec, "External Mic", 0);
++
++ snd_soc_dapm_sync_endpoints(codec);
++}
++
++static irqreturn_t jack_irq(int irq, void *data)
++{
++ ezx_ext_control(control_codec);
++ return IRQ_HANDLED;
++}
++
++
++/*
++ * Alsa operations
++ * Only implement the required operations for your platform.
++ * These operations are specific to the machine only.
++ */
++
++ /*
++ * Called by ALSA when a PCM substream is opened, private data can be allocated.
++ */
++static int ezx_machine_startup(struct snd_pcm_substream *substream)
++{
++ struct snd_soc_pcm_runtime *rtd = substream->private_data;
++ struct snd_soc_codec *codec = rtd->socdev->codec;
++
++ /* check the jack status at stream startup */
++ ezx_ext_control(codec);
++ return 0;
++}
++
++/*
++ * Called by ALSA when the hardware params are set by application. This
++ * function can also be called multiple times and can allocate buffers
++ * (using snd_pcm_lib_* ). It's non-atomic.
++ */
++static int ezx_machine_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;
++ int ret;
++
++ /* set codec DAI configuration */
++ if (codec_dai->id == PCAP2_STEREO_DAI)
++ ret = codec_dai->dai_ops.set_fmt(codec_dai, SND_SOC_DAIFMT_DSP_B |
++ SND_SOC_DAIFMT_IB_NF | SND_SOC_DAIFMT_CBM_CFM);
++ else
++ ret = codec_dai->dai_ops.set_fmt(codec_dai, SND_SOC_DAIFMT_DSP_B |
++ SND_SOC_DAIFMT_IB_IF | SND_SOC_DAIFMT_CBM_CFM);
++ if(ret < 0)
++ return ret;
++
++ /* Turn on clock output on CLK_PIO */
++ OSCC |= 0x8;
++
++ /* set clock source */
++ ret = codec_dai->dai_ops.set_sysclk(codec_dai, PCAP2_CLK_AP,
++ 13000000, SND_SOC_CLOCK_IN);
++ if(ret < 0)
++ return ret;
++
++ /* set cpu DAI configuration */
++ ret = cpu_dai->dai_ops.set_fmt(cpu_dai, SND_SOC_DAIFMT_DSP_B |
++ SND_SOC_DAIFMT_IB_IF | SND_SOC_DAIFMT_CBM_CFM);
++ if (ret < 0)
++ return ret;
++
++ ret = cpu_dai->dai_ops.set_tristate(cpu_dai, 0);
++ if (ret < 0)
++ return ret;
++
++ ret = cpu_dai->dai_ops.set_sysclk(cpu_dai,PXA2XX_SSP_CLK_EXT,
++ 0, SND_SOC_CLOCK_IN);
++ if (ret < 0)
++ return ret;
++
++ return 0;
++}
++
++/*
++ * Free's resources allocated by hw_params, can be called multiple times
++ */
++static int ezx_machine_hw_free(struct snd_pcm_substream *substream)
++{
++ OSCC &= ~0x8; /* turn off clock output on CLK_PIO */
++
++ return 0;
++}
++
++static int ezx_machine_prepare(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;
++ struct snd_soc_cpu_dai *cpu_dai = rtd->dai->cpu_dai;
++
++ if (codec_dai->id == PCAP2_STEREO_DAI) {
++ /* override pxa2xx-ssp sample size for stereo/network mode */
++ SSCR0_P(cpu_dai->id+1) &= ~(SSCR0_DSS | SSCR0_EDSS);
++ SSCR0_P(cpu_dai->id+1) |= (SSCR0_EDSS | SSCR0_DataSize(16));
++ }
++ return 0;
++}
++
++/* machine Alsa PCM operations */
++static struct snd_soc_ops ezx_ops = {
++ .startup = ezx_machine_startup,
++ .prepare = ezx_machine_prepare,
++ .hw_free = ezx_machine_hw_free,
++ .hw_params = ezx_machine_hw_params,
++};
++
++static int bp_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;
++ int ret = 0;
++ /* set codec DAI configuration */
++ ret = codec_dai->dai_ops.set_fmt(codec_dai, SND_SOC_DAIFMT_DSP_B |
++ SND_SOC_DAIFMT_IB_IF | SND_SOC_DAIFMT_CBM_CFM);
++ if(ret < 0)
++ return ret;
++
++ /* set clock source */
++ ret = codec_dai->dai_ops.set_sysclk(codec_dai, PCAP2_CLK_BP,
++ 13000000, SND_SOC_CLOCK_IN);
++
++ return ret;
++}
++
++
++
++/* machine dapm widgets */
++static const struct snd_soc_dapm_widget ezx_dapm_widgets[] = {
++ SND_SOC_DAPM_HP("Headset", NULL),
++ SND_SOC_DAPM_SPK("Earpiece", NULL),
++ SND_SOC_DAPM_SPK("Loudspeaker", NULL),
++ SND_SOC_DAPM_MIC("Built-in Mic", NULL),
++ SND_SOC_DAPM_MIC("External Mic", NULL),
++};
++
++/* machine audio map (connections to the codec pins) */
++static const char *audio_map[][3] = {
++ { "Headset", NULL, "AR" },
++ { "Headset", NULL, "AL" },
++ { "Earpiece", NULL, "A1" },
++ { "Loudspeaker", NULL, "A2" },
++
++ { "Built-in Mic", NULL, "A5" },
++ { "External Mic", NULL, "A3" },
++
++ {NULL, NULL, NULL},
++};
++
++/*
++ * Initialise the machine audio subsystem.
++ */
++static int ezx_machine_init(struct snd_soc_codec *codec)
++{
++ int i;
++ /* mark unused codec pins as NC */
++// snd_soc_dapm_set_endpoint(codec, "FIXME", 0);
++ control_codec = codec;
++
++ /* Add ezx specific controls */
++// for (i = 0; i < ARRAY_SIZE(ezx_controls); i++) {
++// if ((err = snd_ctl_add(codec->card, snd_soc_cnew(&ezx_controls[i], codec, NULL))) < 0)
++// return err;
++// }
++
++ /* Add ezx specific widgets */
++ for(i = 0; i < ARRAY_SIZE(ezx_dapm_widgets); i++) {
++ snd_soc_dapm_new_control(codec, &ezx_dapm_widgets[i]);
++ }
++ /* Set up ezx specific audio path interconnects */
++ 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]);
++ }
++
++ /* synchronise subsystem */
++ snd_soc_dapm_sync_endpoints(codec);
++ return 0;
++}
++
++static struct snd_soc_cpu_dai bp_dai =
++{
++ .name = "Baseband",
++ .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,
++ },
++ .ops = {
++// .startup = bp_startup,
++// .shutdown = bp_shutdown,
++ .hw_params = bp_hw_params,
++// .hw_free = bp_hw_free,
++ },
++};
++
++/* template digital audio interface glue - connects codec <--> CPU */
++static struct snd_soc_dai_link ezx_dai[] = {
++{
++ .name = "PCAP2 STEREO",
++ .stream_name = "stereo playback",
++ .cpu_dai = &pxa_ssp_dai[PXA2XX_DAI_SSP3],
++ .codec_dai = &pcap2_dai[PCAP2_STEREO_DAI],
++ .init = ezx_machine_init,
++ .ops = &ezx_ops,
++},
++{
++ .name = "PCAP2 MONO",
++ .stream_name = "mono playback",
++ .cpu_dai = &pxa_ssp_dai[PXA2XX_DAI_SSP3],
++ .codec_dai = &pcap2_dai[PCAP2_MONO_DAI],
++// .init = ezx_machine_init, /* the stereo call already registered our controls */
++ .ops = &ezx_ops,
++},
++{
++ .name = "PCAP2 BP",
++ .stream_name = "BP Audio",
++ .cpu_dai = &bp_dai,
++ .codec_dai = &pcap2_dai[PCAP2_BP_DAI],
++},
++};
++
++/* template audio machine driver */
++static struct snd_soc_machine snd_soc_machine_ezx = {
++ .name = "Motorola EZX",
++// .probe
++// .remove
++// .suspend_pre
++// .resume_post
++ .dai_link = ezx_dai,
++ .num_links = ARRAY_SIZE(ezx_dai),
++};
++
++/* template audio subsystem */
++static struct snd_soc_device ezx_snd_devdata = {
++ .machine = &snd_soc_machine_ezx,
++ .platform = &pxa2xx_soc_platform,
++ .codec_dev = &soc_codec_dev_pcap2,
++};
++
++static struct platform_device *ezx_snd_device;
++
++static int __init ezx_init(void)
++{
++ int ret;
++ ezx_snd_device = platform_device_alloc("soc-audio", -1);
++ if (!ezx_snd_device)
++ return -ENOMEM;
++
++ platform_set_drvdata(ezx_snd_device, &ezx_snd_devdata);
++ ezx_snd_devdata.dev = &ezx_snd_device->dev;
++ ret = platform_device_add(ezx_snd_device);
++
++ if (ret)
++ platform_device_put(ezx_snd_device);
++ /* configure gpio for ssp3 */
++ pxa_gpio_mode(GPIO83_SFRM3_MD); /* SFRM */
++ pxa_gpio_mode(GPIO81_STXD3_MD); /* TXD */
++ pxa_gpio_mode(GPIO52_SCLK3_MD); /* SCLK */
++ pxa_gpio_mode(GPIO89_SRXD3_MD); /* RXD */
++
++ /* configure gpio for ssp2 */
++ pxa_gpio_mode(37 | GPIO_IN); /* SFRM */
++ pxa_gpio_mode(38 | GPIO_IN); /* TXD */
++ pxa_gpio_mode(22 | GPIO_IN); /* SCLK */
++ pxa_gpio_mode(88 | GPIO_IN); /* RXD */
++
++ pxa_gpio_mode(GPIO_HW_ATTENUATE_A780 | GPIO_OUT);
++ pxa_gpio_set_value(GPIO_HW_ATTENUATE_A780, 1);
++
++ /* request jack irq */
++ request_irq(EZX_IRQ_HEADJACK, &jack_irq, SA_INTERRUPT, "headphone jack", NULL);
++ request_irq(EZX_IRQ_MIC, &jack_irq, SA_INTERRUPT, "mic jack", NULL);
++
++ return ret;
++}
++
++static void __exit ezx_exit(void)
++{
++ free_irq(EZX_IRQ_HEADJACK, NULL);
++ free_irq(EZX_IRQ_MIC, NULL);
++ platform_device_unregister(ezx_snd_device);
++}
++
++module_init(ezx_init);
++module_exit(ezx_exit);
++
+Index: linux-2.6.21/sound/soc/codecs/Makefile
+===================================================================
+--- linux-2.6.21.orig/sound/soc/codecs/Makefile 2007-09-07 12:13:43.000000000 -0300
++++ linux-2.6.21/sound/soc/codecs/Makefile 2007-09-07 12:13:49.000000000 -0300
+@@ -2,8 +2,10 @@
+ snd-soc-wm8731-objs := wm8731.o
+ snd-soc-wm8750-objs := wm8750.o
+ snd-soc-wm9712-objs := wm9712.o
++snd-soc-pcap2-objs := pcap2.o
+
+ obj-$(CONFIG_SND_SOC_AC97_CODEC) += snd-soc-ac97.o
+ obj-$(CONFIG_SND_SOC_WM8731) += snd-soc-wm8731.o
+ obj-$(CONFIG_SND_SOC_WM8750) += snd-soc-wm8750.o
+ obj-$(CONFIG_SND_SOC_WM9712) += snd-soc-wm9712.o
++obj-$(CONFIG_SND_SOC_PCAP2) += snd-soc-pcap2.o
+Index: linux-2.6.21/sound/soc/codecs/Kconfig
+===================================================================
+--- linux-2.6.21.orig/sound/soc/codecs/Kconfig 2007-09-07 12:13:43.000000000 -0300
++++ linux-2.6.21/sound/soc/codecs/Kconfig 2007-09-07 12:13:49.000000000 -0300
+@@ -13,3 +13,7 @@
+ config SND_SOC_WM9712
+ tristate
+ depends on SND_SOC
++
++config SND_SOC_PCAP2
++ tristate
++ depends on SND_SOC && EZX_PCAP
+Index: linux-2.6.21/sound/soc/pxa/Makefile
+===================================================================
+--- linux-2.6.21.orig/sound/soc/pxa/Makefile 2007-09-07 12:13:43.000000000 -0300
++++ linux-2.6.21/sound/soc/pxa/Makefile 2007-09-07 12:13:49.000000000 -0300
+@@ -14,9 +14,10 @@
+ snd-soc-poodle-objs := poodle.o
+ snd-soc-tosa-objs := tosa.o
+ snd-soc-spitz-objs := spitz.o
++snd-soc-ezx-objs := ezx.o
+
+ obj-$(CONFIG_SND_PXA2XX_SOC_CORGI) += snd-soc-corgi.o
+ obj-$(CONFIG_SND_PXA2XX_SOC_POODLE) += snd-soc-poodle.o
+ obj-$(CONFIG_SND_PXA2XX_SOC_TOSA) += snd-soc-tosa.o
+ obj-$(CONFIG_SND_PXA2XX_SOC_SPITZ) += snd-soc-spitz.o
+-
++obj-$(CONFIG_SND_PXA2XX_SOC_EZX) += snd-soc-ezx.o