lkml.org 
[lkml]   [2011]   [Nov]   [8]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
/
Date
From
SubjectRe: [PATCH] Add SoundCard driver for OKI SEMICONDUCTOR ML7213 IOH
(2011/10/24 21:20), Mark Brown wrote:
> On Mon, Oct 24, 2011 at 09:12:42PM +0900, Tomoya MORINAGA wrote:
>
>> 1. PCI interface function.
>> Any current ASoC drivers don't have PCI interface function.
>> So I don't know where the function should be in machine driver or
>> platform driver.
>
> It depends on what the driver is for. Probably you want a driver which
> is some combination of machine driver and the various drivers that are
> normally part of the SoC - whatever roles in the system are filled by
> this hardware the driver ought to register subsystem drivers for those
> roles.
>
>> 2. Register Access
>> Can platform driver access register ?
>> According to the soc document, platform driver must not access hardware,
>> however, some drivers looks accessing their hardware.
>
> What makes you say this? A driver that can't access hardware would be
> rather useless...
>
>

Though roughly, we re-created 3 files codec driver, platform drive and
machine driver. (Not debugged/tested)
Could you check these files ?

(1)codec driver
ml26124.c ml26124.h

(2)platform driver
ml7213ioh-plat.c ml7213ioh-plat.h ioh_i2s_config.h ioh_i2s.h

(3)machine driver
ml7213ioh-machine.c

Thanks in advance.

--
tomoya
ROHM Co., Ltd.
/*
* Copyright (C) 2011 LAPIS Semiconductor Co., Ltd.
*
* 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; version 2 of the License.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307, USA.
*/

#include <linux/module.h>
#include <linux/moduleparam.h>
#include <linux/init.h>
#include <linux/delay.h>
#include <linux/pm.h>
#include <linux/i2c.h>
#include <linux/slab.h>
#include <linux/platform_device.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/tlv.h>

#include "ml26124.h"

struct cbdata {
struct ioh_i2s_data *priv;
int stop;
int cnt;
};

struct snd_ml7213i2s_pcm {
enum snd_soc_control_type control_type;
struct snd_ml7213i2s *ml7213i2s;
spinlock_t lock;
unsigned int irq_pos;
unsigned int buf_pos;
struct snd_pcm_substream *substream;
struct cbdata cbd; /* i2s callback info */
unsigned int channels;
unsigned int rw;
unsigned int rate;
unsigned int ch;
unsigned int setup_flag;
unsigned int format;
unsigned int bclkfs;
struct mutex i2c_mutex;
};

/*
* wm8731 register cache
* We can't read the WM8731 register space when we are
* using 2 wire for device control, so we cache them instead.
* There is no point in caching the reset register
*/
static const u16 wm8731_reg[WM8731_CACHEREGNUM] = {
0x0097, 0x0097, 0x0079, 0x0079,
0x000a, 0x0008, 0x009f, 0x000a,
0x0000, 0x0000
};

#define wm8731_reset(c) snd_soc_write(c, WM8731_RESET, 0)

static const char *ml26124_lrmcon[] = {"Use L", "Use R", "Use (L+R)", "Use (L+R)/2"};
static const char *ml26124_dvfconcon[] = {"1/fs=20.8us", "2/fs", "4/fs", "8/fs",
"16/fs", "32/fs", "64/fs", "128/fs", "256/fs", "512/fs", "1024/fs", "2048/fs",
"4096/fs", "8192/fs", "16384/fs=341msec"};
static const char *ml26124_hpf2cut[] = {"FS=8n/11.025n/16n = 80/110/120",
"100/138/150", "130/179/195",
"160/221/240", "200/276/300",
"260/358/390", "320/441/480",
"400/551/600"};
static const char *ml26124_alcmode[] = {"ALC mode", "Limitter mode"};
static const char *ml26124_ngtyp[] = {"Gain hold mode", "Mute mode"};
static const char *ml26124_alcatk[] = {"ALC mode=4/fs Limiter mode=ALC mode/4",
"8/fs", "16/fs", "32/fs", "64/fs", "128/fs", "256/fs", "512/fs", "1024/fs",
"2048/fs", "4096/fs", "8192/fs", "16384", "32768", "65536", "131072"};
static const char *ml26124_alcdcy[] = {"Limitter mode=4/fs ALC mode=Limitter mode * 4",
"8/fs", "16/fs", "32/fs", "64/fs", "128/fs", "256/fs", "512/fs", "1024/fs",
"2048/fs", "4096/fs", "8192/fs", "16384", "32768", "65536", "131072"};
static const char *ml26124_alchld[] = {"128/fs", "256/fs", "512/fs", "1024/fs",
"2048/fs", "4096/fs", "8192/fs", "16384/fs", "32768/fs", "65536/fs", "131072/fs",
"262144/fs", "524288/fs", "1048576/fs", "2097152/fs"};
static const char *ml26124_alczctm[] = {"128/fs", "256/fs", "512/fs", "1024/fs"};
static const char *ml26124_platk[] = {"1/fs=20.8us", "2/fs", "4/fs", "8/fs",
"16/fs", "32/fs", "64/fs", "128/fs", "256/fs", "512/fs", "1024/fs", "2048/fs",
"4096/fs", "8192/fs", "16384/fs=341msec", "32768/fs"};
static const char *ml26124_pldcy[] = {"4/fs", "8/fs", "16/fs", "32/fs", "64/fs",
"128/fs", "256/fs", "512/fs", "1024/fs", "2048/fs", "4096/fs", "8192/fs",
"16384", "32768", "65536", "131072"};
static const char *ml26124_plzctm[] = {"128/fs", "256/fs", "512/fs", "1024/fs"};

static const char *ml26124_input_select[] = {"Analog MIC-in", "Digital MIC-in"};

static const struct soc_enum ml26124_enum[] = {
/* #define SOC_ENUM_SINGLE(xreg, xshift, xmax, xtexts) */
SOC_ENUM_SINGLE(ML26124_MIXER_VOL_CTL, 0, 4, ml26124_lrmcon),
SOC_ENUM_SINGLE(ML26124_MIXER_VOL_CTL, 4, 15, ml26124_dvfconcon),
SOC_ENUM_SINGLE(ML26124_HPF2_CUTOFF, 0, 8, ml26124_hpf2cut),
SOC_ENUM_SINGLE(ML26124_ALC_MODE, 0, 2, ml26124_alcmode),
SOC_ENUM_SINGLE(ML26124_ALC_MODE, 2, 2, ml26124_ngtyp),
SOC_ENUM_SINGLE(ML26124_ALC_ATTACK_TIM, 0, 16, ml26124_alcatk),
SOC_ENUM_SINGLE(ML26124_ALC_DECAY_TIM, 0, 16, ml26124_alcdcy),
SOC_ENUM_SINGLE(ML26124_ALC_HOLD_TIM, 0, 16, ml26124_alchld),
SOC_ENUM_SINGLE(ML26124_ALC_ZERO_TIMOUT, 0, 4, ml26124_alczctm),
SOC_ENUM_SINGLE(ML26124_PL_ATTACKTIME, 0, 16, ml26124_platk),
SOC_ENUM_SINGLE(ML26124_PL_DECAYTIME, 0, 16, ml26124_pldcy),
SOC_ENUM_SINGLE(ML26124_PL_0CROSS_TIMOUT, 0, 4, ml26124_plzctm),
SOC_ENUM_SINGLE(ML26124_MIC_IF_CTL, 0, 1, ml26124_input_select),
};

/* ML26124 configuration */
static const DECLARE_TLV_DB_SCALE(rec_play_digi_vol, -7150, 50, 0);
static const DECLARE_TLV_DB_SCALE(digi_boost_vol, -1200, 75, 0);
static const DECLARE_TLV_DB_SCALE(eq_band_gain, -7150, 50, 0);
static const DECLARE_TLV_DB_SCALE(alclvl, -2250, 150, 0);
static const DECLARE_TLV_DB_SCALE(alcmingain, -1200, 600, 0);
static const DECLARE_TLV_DB_SCALE(alcmaxgain, -675, 600, 0);
static const DECLARE_TLV_DB_SCALE(ngth, -7650, 150, 0);
static const DECLARE_TLV_DB_SCALE(plilv, -2250, 150, 0);
static const DECLARE_TLV_DB_SCALE(plmingain, -1200, 600, 0);
static const DECLARE_TLV_DB_SCALE(plmaxgain, -675, 600, 0);
static const DECLARE_TLV_DB_SCALE(plvl, -1200, 75, 0);

static const struct snd_kcontrol_new ml26124_snd_controls[] = {
SOC_SINGLE_TLV("Record Digital Volume", ML26124_RECORD_DIG_VOL, 0, 0xff, 1, rec_play_digi_vol),
SOC_SINGLE_TLV("Playback Digital Volume", ML26124_PLBAK_DIG_VOL, 0, 0xff, 1, rec_play_digi_vol),
SOC_SINGLE_TLV("Digital Boost Volume", ML26124_DIGI_BOOST_VOL, 0, 0x3f, 0, digi_boost_vol),
SOC_SINGLE_TLV("EQ Band0 Gain Setting", ML26124_EQ_GAIN_BRAND0, 0, 0xff, 1, eq_band_gain),
SOC_SINGLE_TLV("EQ Band1 Gain Setting", ML26124_EQ_GAIN_BRAND1, 0, 0xff, 1, eq_band_gain),
SOC_SINGLE_TLV("EQ Band2 Gain Setting", ML26124_EQ_GAIN_BRAND2, 0, 0xff, 1, eq_band_gain),
SOC_SINGLE_TLV("EQ Band3 Gain Setting", ML26124_EQ_GAIN_BRAND3, 0, 0xff, 1, eq_band_gain),
SOC_SINGLE_TLV("EQ Band4 Gain Setting", ML26124_EQ_GAIN_BRAND4, 0, 0xff, 1, eq_band_gain),
SOC_SINGLE_TLV("ALC Target Level", ML26124_ALC_TARGET_LEV, 0, 0xf, 1, alclvl),
SOC_SINGLE_TLV("ALC Min Gain Control", ML26124_ALC_MAXMIN_GAIN, 0, 7, 0, alcmingain),
SOC_SINGLE_TLV("ALC MAX Gain Control", ML26124_ALC_MAXMIN_GAIN, 4, 7, 1, alcmaxgain),
SOC_SINGLE_TLV("Noise Gate Threshold", ML26124_NOIS_GATE_THRSH, 0, 0x1f, 0, ngth),
SOC_SINGLE_TLV("Playback Limitter Target Level", ML26124_PL_TARGETTIME, 0, 0xf, 1, plilv),
SOC_SINGLE_TLV("Playback Limitter Min Gain", ML26124_PL_MAXMIN_GAIN, 0, 7, 0, plmingain),
SOC_SINGLE_TLV("Playback Limitter Max Gain", ML26124_PL_MAXMIN_GAIN, 4, 7, 1, plmaxgain),
SOC_SINGLE_TLV("Playback Boost Volume", ML26124_PLYBAK_BOST_VOL, 0, 0x3f, 0, plvl),
};

static const struct snd_kcontrol_new ml26124_dsp_controls[] = {
SOC_SINGLE("Play Limitter ON/OFF", ML26124_FILTER_EN, 0, 1, 0),
SOC_SINGLE("Record ALC ON/OFF", ML26124_FILTER_EN, 1, 1, 0),
SOC_SINGLE("Digital Volume Fade ON/OFF", ML26124_FILTER_EN, 3, 1, 0),
SOC_SINGLE("Ditital Volume MUTE", ML26124_FILTER_EN, 4, 1, 0),
SOC_SINGLE("Set ALC position", ML26124_FILTER_EN, 5, 1, 0),
SOC_SINGLE("Noise Gate ON/OFF", ML26124_ALC_MODE, 1, 1, 0),
};

static const struct snd_soc_dapm_widget ml26124_dapm_widgets[] = {
SND_SOC_DAPM_VMID("VMID"),
SND_SOC_DAPM_MICBIAS("MICBIAS", ML26124_PW_REF_PW_MNG, 0, 0),
SND_SOC_DAPM_ADC("ADC", "Capture", ML26124_PW_IN_PW_MNG, 1, 0),
SND_SOC_DAPM_PGA("PGA", ML26124_PW_IN_PW_MNG, 3, 0, NULL, 0),
SND_SOC_DAPM_DAC("DAC", "Playback", ML26124_PW_DAC_PW_MNG, 1, 0),
SND_SOC_DAPM_SPK("Speaker", NULL),
SND_SOC_DAPM_LINE("LINEOUT", NULL),
SND_SOC_DAPM_INPUT("VIDEOIN"),
SND_SOC_DAPM_INPUT("MDIN"),
SND_SOC_DAPM_INPUT("MIN"),
SND_SOC_DAPM_INPUT("LIN"),
SND_SOC_DAPM_INPUT("SDIN"),
SND_SOC_DAPM_OUTPUT("VIDEOOUT"),
SND_SOC_DAPM_OUTPUT("SPOUT"),
SND_SOC_DAPM_OUTPUT("LOUT"),
SND_SOC_DAPM_OUTPUT("SDOUT"),
};

#define CODEC_DEV_ADDR (0x1A)


static struct i2c_board_info ioh_hwmon_info[] = {
{I2C_BOARD_INFO("ioh_i2c-0", CODEC_DEV_ADDR + 1)},
{I2C_BOARD_INFO("ioh_i2c-1", CODEC_DEV_ADDR + 2)},
{I2C_BOARD_INFO("ioh_i2c-2", CODEC_DEV_ADDR + 3)},
{I2C_BOARD_INFO("ioh_i2c-3", CODEC_DEV_ADDR + 4)},
{I2C_BOARD_INFO("ioh_i2c-4", CODEC_DEV_ADDR + 5)},
{I2C_BOARD_INFO("ioh_i2c-5", CODEC_DEV_ADDR + 0)},
};

static const struct snd_soc_dapm_route intercon[] = {
};

static int snd_card_codec_reg_read(struct snd_ml7213i2s_pcm *priv,
unsigned char reg, unsigned char *val)
{
unsigned char data;
struct i2c_client *i2c;

mutex_lock(&priv->i2c_mutex);

i2c = i2c_new_device(i2c_get_adapter(1),
&ioh_hwmon_info[priv->substream->number]);
if (!i2c) {
mutex_unlock(&priv->i2c_mutex);
return -1;
}

if (i2c_master_send(i2c, &reg, 1) != 1) {
mutex_unlock(&priv->i2c_mutex);
return -1;
}

if (i2c_master_recv(i2c, &data, 1) != 1) {
mutex_unlock(&priv->i2c_mutex);
return -1;
}

*val = data;
i2c_unregister_device(i2c);
mutex_unlock(&priv->i2c_mutex);

return 0;
}

static int snd_card_codec_reg_write(struct snd_ml7213i2s_pcm *priv,
unsigned char reg, unsigned char val)
{
unsigned char buf[2] = {(reg|1), val};
struct i2c_client *i2c;

mutex_lock(&priv->i2c_mutex);

i2c = i2c_new_device(i2c_get_adapter(1),
&ioh_hwmon_info[priv->substream->number]);

if (i2c_master_send(i2c, &buf[0], 2) != 2) {
mutex_unlock(&priv->i2c_mutex);
return -1;
}

i2c_unregister_device(i2c);
mutex_unlock(&priv->i2c_mutex);

return 0;
}

static int snd_card_codec_set(int number, struct snd_ml7213i2s_pcm *priv)
{
unsigned char data;
unsigned int rate = priv->rate;
unsigned int channels = priv->ch;

snd_card_codec_reg_read(priv, 0x30, &data); /* Read MICVIAS Voltage */

snd_card_codec_reg_write(priv, 0x10, 0x01); /* soft reset assert */
snd_card_codec_reg_write(priv, 0x10, 0x00); /* soft reset negate */

snd_card_codec_reg_write(priv, 0x0c, 0x00); /* Stop clock */

switch (rate) {
case 16000:
snd_card_codec_reg_write(priv, 0x00, 0x03);
snd_card_codec_reg_write(priv, 0x02, 0x0c);
snd_card_codec_reg_write(priv, 0x04, 0x00);
snd_card_codec_reg_write(priv, 0x06, 0x20);
snd_card_codec_reg_write(priv, 0x08, 0x00);
snd_card_codec_reg_write(priv, 0x0a, 0x04);
break;
case 32000:
snd_card_codec_reg_write(priv, 0x00, 0x06);
snd_card_codec_reg_write(priv, 0x02, 0x0c);
snd_card_codec_reg_write(priv, 0x04, 0x00);
snd_card_codec_reg_write(priv, 0x06, 0x20);
snd_card_codec_reg_write(priv, 0x08, 0x00);
snd_card_codec_reg_write(priv, 0x0a, 0x04);
break;
case 48000:
snd_card_codec_reg_write(priv, 0x00, 0x08);
snd_card_codec_reg_write(priv, 0x02, 0x0c);
snd_card_codec_reg_write(priv, 0x04, 0x00);
snd_card_codec_reg_write(priv, 0x06, 0x30);
snd_card_codec_reg_write(priv, 0x08, 0x00);
snd_card_codec_reg_write(priv, 0x0a, 0x04);
break;
default:
pr_err("%s:this rate is no support for ml26124\n", __func__);
break;
}

snd_card_codec_reg_write(priv, 0x0c, 0x03); /* Start MCLK and PLL */
msleep(20);
snd_card_codec_reg_write(priv, 0x0c, 0x0f); /* Clock control: MCLKI use */
snd_card_codec_reg_write(priv, 0x0e, 0x04);

if (channels == 1) {
snd_card_codec_reg_write(priv, 0x60, 0x23); /* SAI transmitter control */
/* 0x23 : FMTO=1, H=Left L=Right, no-delay*/
snd_card_codec_reg_write(priv, 0x62, 0x23); /* Receive side SAI control */
} else {
snd_card_codec_reg_write(priv, 0x60, 0x00);
snd_card_codec_reg_write(priv, 0x62, 0x00);
}

snd_card_codec_reg_write(priv, 0x64, 0x00); /* master/slave set slave */

snd_card_codec_reg_write(priv, 0x20, 0x02); /* VMID on. normal mode */
msleep(50);

snd_card_codec_reg_write(priv, 0x20, 0x06); /* Analog REference Power Managemet */
snd_card_codec_reg_write(priv, 0x22, 0x0a); /* Analog Input Power Management */
snd_card_codec_reg_write(priv, 0x24, 0x02); /* DAC power Management */
snd_card_codec_reg_write(priv, 0x26, 0x13);
snd_card_codec_reg_write(priv, 0x26, 0x1f); /* Speaker Amplified Poer Management */
snd_card_codec_reg_write(priv, 0x28, 0x02); /* LOUT Control Regsister */

snd_card_codec_reg_write(priv, 0x54, 0x02); /* Speaker Amplifier output Control */
snd_card_codec_reg_write(priv, 0x5a, 0x00); /* Mic Interface Control Register */

snd_card_codec_reg_write(priv, 0x12, 0x01); /* Record/Playback Running Control Register */
snd_card_codec_reg_write(priv, 0x12, 0x03);
msleep(20);
snd_card_codec_reg_write(priv, 0x66, 0x03); /* DSP filter function Enable */

snd_card_codec_reg_write(priv, 0x3a, 0x27); /* Speaker Amplifier Volume Control */
snd_card_codec_reg_write(priv, 0x32, 0x20); /* Mic Input Volume Control */

return 0;
}

static int ml26124_hw_params(struct snd_pcm_substream *substream,
struct snd_pcm_hw_params *hw_params,
struct snd_soc_dai *dai)
{
struct snd_soc_codec *codec = dai->codec;
struct snd_ml7213i2s_pcm *priv = snd_soc_codec_get_drvdata(codec);

if (snd_card_codec_set(substream->number, priv))
return -1;

return snd_pcm_lib_malloc_pages(substream,
params_buffer_bytes(hw_params));
}

static int snd_card_codec_free(int number, struct snd_ml7213i2s_pcm *priv)
{
snd_card_codec_reg_write(priv, 0x10, 1); /* soft reset assert */

return 0;
}

static int snd_card_ml7213i2s_hw_free(struct snd_pcm_substream *substream,
struct snd_soc_dai *dai)
{
struct snd_ml7213i2s_pcm *priv = substream->runtime->private_data;

if (snd_card_codec_free(substream->number, priv))
return -1;

return snd_pcm_lib_free_pages(substream);
}

static int ml26124_pcm_prepare(struct snd_pcm_substream *substream,
struct snd_soc_dai *dai)
{
return 0;
}

static void ml26124_shutdown(struct snd_pcm_substream *substream,
struct snd_soc_dai *dai)
{
}

#define ML26124_DVOL_CTL 0x68 /* Digital Volume Conotrol
Function Enable Register */
#define DVOL_CTL_DVMUTE_ON BIT(4) /* Digital volume MUTE On */
#define DVOL_CTL_DVMUTE_OFF 0 /* Digital volume MUTE Off */

static int ml26124_mute(struct snd_soc_dai *dai, int mute)
{
struct snd_soc_codec *codec = dai->codec;
struct snd_ml7213i2s_pcm *priv = snd_soc_codec_get_drvdata(codec);

if (mute)
snd_card_codec_reg_write(priv, ML26124_DVOL_CTL,
DVOL_CTL_DVMUTE_ON);
else
snd_card_codec_reg_write(priv, ML26124_DVOL_CTL,
DVOL_CTL_DVMUTE_OFF);
return 0;
}

static int ml26124_set_dai_fmt(struct snd_soc_dai *codec_dai,
unsigned int fmt)
{
struct snd_soc_codec *codec = codec_dai->codec;
struct snd_ml7213i2s_pcm *priv = snd_soc_codec_get_drvdata(codec);
unsigned char mode;

/* set master/slave audio interface */
switch (fmt & SND_SOC_DAIFMT_MASTER_MASK) {
case SND_SOC_DAIFMT_CBM_CFM:
mode = 1;
break;
case SND_SOC_DAIFMT_CBS_CFS:
mode = 0;
break;
default:
return -EINVAL;
}
snd_card_codec_reg_write(priv, ML26124_SAI_MODE_SEL, mode);

/* interface format */
switch (fmt & SND_SOC_DAIFMT_FORMAT_MASK) {
case SND_SOC_DAIFMT_I2S:
break;
default:
return -EINVAL;
}

/* clock inversion */
switch (fmt & SND_SOC_DAIFMT_INV_MASK) {
case SND_SOC_DAIFMT_NB_NF:
break;
default:
return -EINVAL;
}

return 0;
}

#define ML26124_REF_PM 0x20
#define REF_PM_MICBEN BIT(2) /* MIC BIAS Enable */
#define REF_PM_LOBIAS BIT(6) /* LOUT terminal BIAS Enable (1/2REGOUT) */
#define REF_PM_VMID_ON BIT(1) /* VMID generation circuit ON */
#define REF_PM_VMID_ON_FAST BIT(0) /* VMID generation circuit Fast mode ON */
#define REF_PM_VMID_OFF 0 /* VMID generation circuit OFF */

static int ml26124_set_bias_level(struct snd_soc_codec *codec,
enum snd_soc_bias_level level)
{
struct snd_ml7213i2s_pcm *priv = snd_soc_codec_get_drvdata(codec);

switch (level) {
case SND_SOC_BIAS_ON:
case SND_SOC_BIAS_PREPARE:
case SND_SOC_BIAS_STANDBY:
snd_card_codec_reg_write(priv, ML26124_REF_PM, REF_PM_VMID_ON);
msleep(50);
snd_card_codec_reg_write(priv, ML26124_REF_PM,
REF_PM_VMID_ON | REF_PM_MICBEN);
break;
case SND_SOC_BIAS_OFF:
snd_card_codec_reg_write(priv, ML26124_REF_PM,
REF_PM_VMID_OFF | REF_PM_MICBEN);
break;
}
codec->bias_level = level;
return 0;
}

#define ML26124_RATES SNDRV_PCM_RATE_8000_96000

#define ML26124_FORMATS (SNDRV_PCM_FMTBIT_S16_LE | SNDRV_PCM_FMTBIT_S20_3LE |\
SNDRV_PCM_FMTBIT_S24_LE)

static struct snd_soc_dai_ops ml26124_dai_ops = {
.prepare = ml26124_pcm_prepare,
.hw_params = ml26124_hw_params,
.hw_free = snd_card_ml7213i2s_hw_free,
.shutdown = ml26124_shutdown,
.digital_mute = ml26124_mute,
.set_fmt = ml26124_set_dai_fmt,
};

struct snd_soc_dai_driver ml26124_dai = {
.name = "ml26124-hifi",
.playback = {
.stream_name = "Playback",
.channels_min = 1,
.channels_max = 2,
.rates = ML26124_RATES,
.formats = ML26124_FORMATS,},
.capture = {
.stream_name = "Capture",
.channels_min = 1,
.channels_max = 2,
.rates = ML26124_RATES,
.formats = ML26124_FORMATS,},
.ops = &ml26124_dai_ops,
.symmetric_rates = 1,
};

#ifdef CONFIG_PM
static int ml26124_suspend(struct snd_soc_codec *codec, pm_message_t state)
{
ml26124_set_bias_level(codec, SND_SOC_BIAS_OFF);

return 0;
}

static int ml26124_resume(struct snd_soc_codec *codec)
{
ml26124_set_bias_level(codec, SND_SOC_BIAS_STANDBY);

return 0;
}
#else
#define ml26124_suspend NULL
#define ml26124_resume NULL
#endif

static int ml26124_probe(struct snd_soc_codec *codec)
{
snd_soc_add_controls(codec, ml26124_snd_controls,
ARRAY_SIZE(ml26124_snd_controls));

snd_soc_dapm_new_controls(codec, ml26124_dapm_widgets,
ARRAY_SIZE(ml26124_dapm_widgets));
return 0;
}

/* power down chip */
static int ml26124_remove(struct snd_soc_codec *codec)
{
return 0;
}

static struct snd_soc_codec_driver soc_codec_dev_ml26124 = {
.probe = ml26124_probe,
.remove = ml26124_remove,
.suspend = ml26124_suspend,
.resume = ml26124_resume,
.set_bias_level = ml26124_set_bias_level,
.reg_cache_size = ARRAY_SIZE(wm8731_reg),
.reg_word_size = sizeof(u16),
.reg_cache_default = wm8731_reg,
};

#if defined(CONFIG_I2C) || defined(CONFIG_I2C_MODULE)
static __devinit int ml26124_i2c_probe(struct i2c_client *i2c,
const struct i2c_device_id *id)
{
struct snd_ml7213i2s_pcm *priv;
int ret;

priv = kzalloc(sizeof(*priv), GFP_KERNEL);
if (priv == NULL)
return -ENOMEM;

i2c_set_clientdata(i2c, priv);
priv->control_type = SND_SOC_I2C;

ret = snd_soc_register_codec(&i2c->dev,
&soc_codec_dev_ml26124, &ml26124_dai, 1);
if (ret < 0)
kfree(priv);

mutex_init(&priv->i2c_mutex);

return ret;
}

static __devexit int ml26124_i2c_remove(struct i2c_client *client)
{
snd_soc_unregister_codec(&client->dev);
kfree(i2c_get_clientdata(client));
return 0;
}

static const struct i2c_device_id ml26124_i2c_id[] = {
{ "ml26124", 0 },
{ }
};
MODULE_DEVICE_TABLE(i2c, ml26124_i2c_id);

static struct i2c_driver ml26124_i2c_driver = {
.driver = {
.name = "ml26124-codec",
.owner = THIS_MODULE,
},
.probe = ml26124_i2c_probe,
.remove = __devexit_p(ml26124_i2c_remove),
.id_table = ml26124_i2c_id,
};
#endif

static int __init ml26124_modinit(void)
{
int ret = 0;
#if defined(CONFIG_I2C) || defined(CONFIG_I2C_MODULE)
ret = i2c_add_driver(&ml26124_i2c_driver);
if (ret != 0) {
pr_err("Failed to register ML26124 I2C driver: %d\n", ret);
}
#endif
return ret;
}
module_init(ml26124_modinit);

static void __exit ml26124_exit(void)
{
#if defined(CONFIG_I2C) || defined(CONFIG_I2C_MODULE)
i2c_del_driver(&ml26124_i2c_driver);
#endif
}
module_exit(ml26124_exit);

MODULE_AUTHOR("Tomoya MORINAGA <tomoya-linux@dsn.lapis-semi.com>");
MODULE_DESCRIPTION("LAPIS Semiconductor ML26124 ALSA SoC codec driver");
MODULE_LICENSE("GPL");
/*
* Copyright (C) 2011 LAPIS Semiconductor Co., Ltd.
*
* 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; version 2 of the License.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307, USA.
*/

#ifndef ML7213_IOH_I2S
#define ML7213_IOH_I2S

#define I2S_AEMPTY_THRESH 64 /* Almost Empty Threshold */
#define I2S_AFULL_THRESH 64 /* Almost Full Threshold */

#define MAX_I2S_RX_CH MAX_I2S_CH
#define MAX_I2S_TX_CH MAX_I2S_CH

#define INTER_BUFF_SIZE (I2S_AEMPTY_THRESH*4 \
*I2S_DMA_SG_NUM \
*I2S_DMA_SG_MAX)
#define I2S_DMA_SG_NUM (128)
#define I2S_DMA_SG_MAX (64)

struct ioh_i2s_data;


enum ioh_direction {
IOH_PLAYBACK = 0,
IOH_CAPTURE,
};

enum ioh_i2s_fifo_type {
IOH_FIFO_32 = 4,
IOH_FIFO_16 = 2,
IOH_FIFO_8 = 1,
};

enum ioh_i2s_status {
IOH_EOK = 0,
IOH_EDONE = 1,
IOH_EUNDERRUN = 2,
IOH_EOVERRUN = 3,
IOH_EFRAMESYNC = 4,
};

struct ioh_i2s_config_common_reg {
u32 i2sclkcnt; /*clock control register(ch0~5) */
u32 i2sistatus; /*interrupt status */
u32 i2sidisp; /*active interrupts */
u32 i2simask; /*interrupt mask */
u32 i2simaskclr; /*interrupt mask clear */
};

struct ioh_i2s_config_tx_reg {
u32 i2sdrtx; /*data register */
u32 i2scnttx; /*control register */
u32 i2sfifoctx; /*FIFO control register */
u32 i2saftx; /*almost full threshold setting */
u32 i2saetx; /*almost empty threshold setting */
u32 i2smsktx; /*interrupt mask settings */
u32 i2sisttx; /*for acknowledging interrupts */
u32 i2smontx; /*monitor register */
};

struct ioh_i2s_config_rx_reg {
u32 i2sdrrx; /* data register */
u32 i2scntrx; /* control register */
u32 i2sfifocrx;/* FIFO control register */
u32 i2safrx; /* almost full threshold setting */
u32 i2saerx; /* almost empty threshold setting */
u32 i2smskrx; /* interrupt mask settings */
u32 i2sistrx; /* for acknowledging interrupts */
u32 i2smonrx; /* monitor register */
};

struct ioh_i2s_config_reg {
/* The common register settings */
struct ioh_i2s_config_common_reg cmn;

/* TX channel settings */
struct ioh_i2s_config_tx_reg tx;

/* RX channel settings */
struct ioh_i2s_config_rx_reg rx;
};

/* For power management save/retore use */
struct ioh_i2s_pm_common_reg {
u32 i2sclkcnt[6];
u32 i2simask;
};

struct ioh_i2s_pm_ch_reg {
u32 i2sdrtx; /* Tx: data register */
u32 i2scnttx; /* Tx: control register */
u32 i2sfifoctx; /* Tx: FIFO control register */
u32 i2saftx; /* Tx: almost full threshold setting */
u32 i2saetx; /* Tx: almost empty threshold setting */
u32 i2smsktx; /* Tx: interrupt mask settings */
u32 i2sisttx; /* Tx: for acknowledging interrupts */
u32 i2scntrx; /* Rx: control register */
u32 i2sfifocrx; /* Rx: FIFO control register */
u32 i2safrx; /* Rx: almost full threshold setting */
u32 i2saerx; /* Rx: almost empty threshold setting */
u32 i2smskrx; /* Rx: interrupt mask settings */
u32 i2sistrx; /* Rx: for acknowledging interrupts */
};

#endif
/*
* Copyright (C) 2011 LAPIS Semiconductor Co., Ltd.
*
* 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; version 2 of the License.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307, USA.
*/

#ifndef ML7213_IOH_I2S_CONFIG
#define ML7213_IOH_I2S_CONFIG

#include "ioh_i2s.h"

#define IOH_I2S_USE_PARAM (1)
#define I2S_SUPPORT_FS_NUM (7)

#define PERIOD_POS_MAX (I2S_DMA_SG_NUM)
#define PERIOD_LEN_TX (I2S_AEMPTY_THRESH * PERIOD_POS_MAX)
#define PERIOD_LEN_RX (I2S_AFULL_THRESH * PERIOD_POS_MAX)

#define SUPPORT_FORMAT (SNDRV_PCM_FMTBIT_U8 | \
SNDRV_PCM_FMTBIT_S16_LE | \
SNDRV_PCM_FMTBIT_S32_LE)
#define MAX_PERIOD_SIZE_TX (PERIOD_LEN_TX*4)
#define MAX_PERIOD_SIZE_RX (PERIOD_LEN_RX*4)

#if (PERIOD_LEN_TX < (I2S_AEMPTY_THRESH*I2S_DMA_SG_NUM))
#error IOH_I2S_CONFIG Error : PERIOD_LEN_TX is enlarged more.
#endif

#if (PERIOD_LEN_RX < (I2S_AFULL_THRESH*I2S_DMA_SG_NUM))
#error IOH_I2S_CONFIG Error : PERIOD_LEN_RX is enlarged more.
#endif


/* ######################################################################## */
/* ### Parameter setup possible value ### */
/* ######################################################################## */
/* ioh_mssel_t */
#define ioh_mssel_slave (0)
#define ioh_mssel_master (1)

enum ioh_bclkpol_t {
ioh_bclkpol_falling = 0,
ioh_bclkpol_rising,
};

enum ioh_masterclksel_t {
ioh_masterclksel_mclk = 0,
ioh_masterclksel_mlbclk,
};

enum ioh_lrckfmt_t {
ioh_lrclkfmt_i2s = 1,
ioh_lrclkfmt_longframe,
ioh_lrclkfmt_shortframe,
};

enum ioh_mclkfs_t {
ioh_mclkfs_64fs = 0,
ioh_mclkfs_128fs,
ioh_mclkfs_192fs,
ioh_mclkfs_256fs,
ioh_mclkfs_384fs,
ioh_mclkfs_512fs,
ioh_mclkfs_768fs,
ioh_mclkfs_1024fs,
};

/* ioh_dabit_t */
#define ioh_dabit_8bit (0)
#define ioh_dabit_16bit (2)
#define ioh_dabit_24bit (5)

/* ioh_bclkfs_t */
#define ioh_bclkfs_8fs (0)
#define ioh_bclkfs_16fs (1)
#define ioh_bclkfs_32fs (2)
#define ioh_bclkfs_64fs (3)

/* ioh_tel_t */
#define ioh_tel_i2s_fmt (0)
#define ioh_tel_tel_fmt (1)

enum ioh_dlyoff_t {
ioh_dlyoff_dly_on = 0, /* date delat on */
ioh_dlyoff_dly_off, /* date delat off */
};

/* ioh_lsb_t */
#define ioh_lsb_msb_first (0)
#define ioh_lsb_lsb_first (1)

enum ioh_lrpol_t {
ioh_lrpol_no_invert = 0, /* Low of LRCLK is L data.
High of LRCLK is R data. */
ioh_lrpol_invert, /* Low of LRCLK is R data.
High of LRCLK is L data. */
};

enum ioh_aft_t {
ioh_aft_front = 0,
ioh_aft_back,
};


struct i2s_config_tab_t {
unsigned int i2sclkcnt;
unsigned int i2scnttx;
unsigned int i2scntrx;
unsigned int i2s_mclk;
};

struct i2s_config_rate_sub_t {
unsigned int rate;
unsigned int mclkfs;
};

struct i2s_config_rate_t {
struct i2s_config_rate_sub_t i2s_config_rate_sub[I2S_SUPPORT_FS_NUM];
};


/* ######################################################################## */
/* ### Parameter Config PreProcessor ### */
/* ######################################################################## */

/* I2S Config Value */
#define USE_CHANNELS_MIN 1
#define USE_CHANNELS_MAX 2

#define MAX_I2S_CH 6 /*I2S0 ~ I2S5*/


/* =================== I2S CH0 config =================== */
#define I2S_CH0_MCLK (12288000) /* Master Clock Frequency[Hz] */
#if IOH_I2S_USE_PARAM
#define I2S_CH0_FS_16000 16000
#define I2S_CH0_FS_32000 32000
#define I2S_CH0_FS_48000 48000
#else
#define I2S_CH0_FS_8000 8000
#define I2S_CH0_FS_11025 11025
#define I2S_CH0_FS_22050 22050
#define I2S_CH0_FS_44100 44100
#endif

/* select master or slave. The value is ioh_mssel_t */
#define I2S_CH0_MSSEL (ioh_mssel_master)
/* select MCLK or MLBCLK into Master Clock. The value is enum ioh_masterclk_t */
#define I2S_CH0_MASTERCLKSEL (ioh_masterclksel_mclk)

/* I2S CH0 stereo config */
/* select BCLK polarity. The value is enum ioh_bclkpol_t */
#define I2S_CH0_BCLKPOL_STEREO (ioh_bclkpol_falling)
/* select DAI format. The value is enum ioh_lrckfmt_t */
#define I2S_CH0_LRCKFMT_STEREO (ioh_lrclkfmt_i2s)

/* select TX data delay on or off. The value is enum ioh_dlyoff_t */
#define I2S_CH0_TX_DLYOFF_STEREO (ioh_dlyoff_dly_on)
/* select TX data format LSB or MSB first. The value is ioh_lsb_t */
#define I2S_CH0_TX_LSB_STEREO (ioh_lsb_msb_first)
/* select LRCLK polarity of TX side. The value is ioh_lrpol_t */
#define I2S_CH0_TX_LRPOL_STEREO (ioh_lrpol_no_invert)
/* select transmit data front or back of TX side. The value is ioh_aft_t */
#define I2S_CH0_TX_AFT_STEREO (ioh_aft_front)

/* select RX data delay on or off. The value is enum ioh_dlyoff_t */
#define I2S_CH0_RX_DLYOFF_STEREO (ioh_dlyoff_dly_on)
/* select RX data format LSB or MSB first. The value is ioh_lsb_t */
#define I2S_CH0_RX_LSB_STEREO (ioh_lsb_msb_first)
/* select LRCLK polarity of RX side. The value is ioh_lrpol_t */
#define I2S_CH0_RX_LRPOL_STEREO (ioh_lrpol_no_invert)
/* select transmit data front or back of RX side. The value is ioh_aft_t */
#define I2S_CH0_RX_AFT_STEREO (ioh_aft_front)

/* I2S CH0 monaural config */
/* select BCLK polarity. The value is enum ioh_bclkpol_t */
#define I2S_CH0_BCLKPOL_MONO (ioh_bclkpol_falling)
/* select DAI format. The value is enum ioh_lrckfmt_t */
#define I2S_CH0_LRCKFMT_MONO (ioh_lrclkfmt_longframe)

/* select TX data delay on or off. The value is enum ioh_dlyoff_t */
#define I2S_CH0_TX_DLYOFF_MONO (ioh_dlyoff_dly_off)
/* select TX data format LSB or MSB first. The value is ioh_lsb_t */
#define I2S_CH0_TX_LSB_MONO (ioh_lsb_msb_first)
/* select RX data delay on or off. The value is enum ioh_dlyoff_t */
#define I2S_CH0_RX_DLYOFF_MONO (ioh_dlyoff_dly_off)
/* select RX data format LSB or MSB first. The value is ioh_lsb_t */
#define I2S_CH0_RX_LSB_MONO (ioh_lsb_msb_first)


/* =================== I2S CH1 config =================== */
#define I2S_CH1_MCLK (12288000) /* Master Clock Frequency[Hz] */
#if IOH_I2S_USE_PARAM
#define I2S_CH1_FS_16000 16000
#define I2S_CH1_FS_32000 32000
#define I2S_CH1_FS_48000 48000
#else
#define I2S_CH1_FS_8000 8000
#define I2S_CH1_FS_11025 11025
#define I2S_CH1_FS_22050 22050
#define I2S_CH1_FS_44100 44100
#endif

/* select master or slave. The value is ioh_mssel_t */
#define I2S_CH1_MSSEL (ioh_mssel_master)
/* select MCLK or MLBCLK into Master Clock. The value is enum ioh_masterclk_t */
#define I2S_CH1_MASTERCLKSEL (ioh_masterclksel_mclk)

/* I2S CH1 stereo config */
/* select BCLK polarity. The value is enum ioh_bclkpol_t */
#define I2S_CH1_BCLKPOL_STEREO (ioh_bclkpol_falling)
/* select DAI format. The value is enum ioh_lrckfmt_t */
#define I2S_CH1_LRCKFMT_STEREO (ioh_lrclkfmt_i2s)

/* select TX data delay on or off. The value is enum ioh_dlyoff_t */
#define I2S_CH1_TX_DLYOFF_STEREO (ioh_dlyoff_dly_on)
/* select TX data format LSB or MSB first. The value is ioh_lsb_t */
#define I2S_CH1_TX_LSB_STEREO (ioh_lsb_msb_first)
/* select LRCLK polarity of TX side. The value is ioh_lrpol_t */
#define I2S_CH1_TX_LRPOL_STEREO (ioh_lrpol_no_invert)
/* select transmit data front or back of TX side. The value is ioh_aft_t */
#define I2S_CH1_TX_AFT_STEREO (ioh_aft_front)

/* select RX data delay on or off. The value is enum ioh_dlyoff_t */
#define I2S_CH1_RX_DLYOFF_STEREO (ioh_dlyoff_dly_on)
/* select RX data format LSB or MSB first. The value is ioh_lsb_t */
#define I2S_CH1_RX_LSB_STEREO (ioh_lsb_msb_first)
/* select LRCLK polarity of RX side. The value is ioh_lrpol_t */
#define I2S_CH1_RX_LRPOL_STEREO (ioh_lrpol_no_invert)
/* select transmit data front or back of RX side. The value is ioh_aft_t */
#define I2S_CH1_RX_AFT_STEREO (ioh_aft_front)

/* I2S CH1 monaural config */
/* select BCLK polarity. The value is enum ioh_bclkpol_t */
#define I2S_CH1_BCLKPOL_MONO (ioh_bclkpol_falling)
/* select DAI format. The value is enum ioh_lrckfmt_t */
#define I2S_CH1_LRCKFMT_MONO (ioh_lrclkfmt_longframe)

/* select TX data delay on or off. The value is enum ioh_dlyoff_t */
#define I2S_CH1_TX_DLYOFF_MONO (ioh_dlyoff_dly_off)
/* select TX data format LSB or MSB first. The value is ioh_lsb_t */
#define I2S_CH1_TX_LSB_MONO (ioh_lsb_msb_first)
/* select RX data delay on or off. The value is enum ioh_dlyoff_t */
#define I2S_CH1_RX_DLYOFF_MONO (ioh_dlyoff_dly_off)
/* select RX data format LSB or MSB first. The value is ioh_lsb_t */
#define I2S_CH1_RX_LSB_MONO (ioh_lsb_msb_first)


/* =================== I2S CH2 config =================== */
#define I2S_CH2_MCLK (12288000) /* Master Clock Frequency[Hz] */
#if IOH_I2S_USE_PARAM
#define I2S_CH2_FS_16000 16000
#define I2S_CH2_FS_32000 32000
#define I2S_CH2_FS_48000 48000
#else
#define I2S_CH2_FS_8000 8000
#define I2S_CH2_FS_11025 11025
#define I2S_CH2_FS_22050 22050
#define I2S_CH2_FS_44100 44100
#endif

/* select master or slave. The value is ioh_mssel_t */
#define I2S_CH2_MSSEL (ioh_mssel_master)
/* select MCLK or MLBCLK into Master Clock. The value is enum ioh_masterclk_t */
#define I2S_CH2_MASTERCLKSEL (ioh_masterclksel_mclk)

/* I2S CH2 stereo config */
/* select BCLK polarity. The value is enum ioh_bclkpol_t */
#define I2S_CH2_BCLKPOL_STEREO (ioh_bclkpol_falling)
/* select DAI format. The value is enum ioh_lrckfmt_t */
#define I2S_CH2_LRCKFMT_STEREO (ioh_lrclkfmt_i2s)

/* select TX data delay on or off. The value is enum ioh_dlyoff_t */
#define I2S_CH2_TX_DLYOFF_STEREO (ioh_dlyoff_dly_on)
/* select TX data format LSB or MSB first. The value is ioh_lsb_t */
#define I2S_CH2_TX_LSB_STEREO (ioh_lsb_msb_first)
/* select LRCLK polarity of TX side. The value is ioh_lrpol_t */
#define I2S_CH2_TX_LRPOL_STEREO (ioh_lrpol_no_invert)
/* select transmit data front or back of TX side. The value is ioh_aft_t */
#define I2S_CH2_TX_AFT_STEREO (ioh_aft_front)

/* select RX data delay on or off. The value is enum ioh_dlyoff_t */
#define I2S_CH2_RX_DLYOFF_STEREO (ioh_dlyoff_dly_on)
/* select RX data format LSB or MSB first. The value is ioh_lsb_t */
#define I2S_CH2_RX_LSB_STEREO (ioh_lsb_msb_first)
/* select LRCLK polarity of RX side. The value is ioh_lrpol_t */
#define I2S_CH2_RX_LRPOL_STEREO (ioh_lrpol_no_invert)
/* select transmit data front or back of RX side. The value is ioh_aft_t */
#define I2S_CH2_RX_AFT_STEREO (ioh_aft_front)

/* I2S CH2 monaural config */
/* select BCLK polarity. The value is enum ioh_bclkpol_t */
#define I2S_CH2_BCLKPOL_MONO (ioh_bclkpol_falling)
/* select DAI format. The value is enum ioh_lrckfmt_t */
#define I2S_CH2_LRCKFMT_MONO (ioh_lrclkfmt_longframe)

/* select TX data delay on or off. The value is enum ioh_dlyoff_t */
#define I2S_CH2_TX_DLYOFF_MONO (ioh_dlyoff_dly_off)
/* select TX data format LSB or MSB first. The value is ioh_lsb_t */
#define I2S_CH2_TX_LSB_MONO (ioh_lsb_msb_first)
/* select RX data delay on or off. The value is enum ioh_dlyoff_t */
#define I2S_CH2_RX_DLYOFF_MONO (ioh_dlyoff_dly_off)
/* select RX data format LSB or MSB first. The value is ioh_lsb_t */
#define I2S_CH2_RX_LSB_MONO (ioh_lsb_msb_first)


/* =================== I2S CH3 config =================== */
#define I2S_CH3_MCLK (12288000) /* Master Clock Frequency[Hz] */
#if IOH_I2S_USE_PARAM
#define I2S_CH3_FS_16000 16000
#define I2S_CH3_FS_32000 32000
#define I2S_CH3_FS_48000 48000
#else
#define I2S_CH3_FS_8000 8000
#define I2S_CH3_FS_11025 11025
#define I2S_CH3_FS_22050 22050
#define I2S_CH3_FS_44100 44100
#endif

/* select master or slave. The value is ioh_mssel_t */
#define I2S_CH3_MSSEL (ioh_mssel_master)
/* select MCLK or MLBCLK into Master Clock. The value is enum ioh_masterclk_t */
#define I2S_CH3_MASTERCLKSEL (ioh_masterclksel_mclk)

/* I2S CH3 stereo config */
/* select BCLK polarity. The value is enum ioh_bclkpol_t */
#define I2S_CH3_BCLKPOL_STEREO (ioh_bclkpol_falling)
/* select DAI format. The value is enum ioh_lrckfmt_t */
#define I2S_CH3_LRCKFMT_STEREO (ioh_lrclkfmt_i2s)

/* select TX data delay on or off. The value is enum ioh_dlyoff_t */
#define I2S_CH3_TX_DLYOFF_STEREO (ioh_dlyoff_dly_on)
/* select TX data format LSB or MSB first. The value is ioh_lsb_t */
#define I2S_CH3_TX_LSB_STEREO (ioh_lsb_msb_first)
/* select LRCLK polarity of TX side. The value is ioh_lrpol_t */
#define I2S_CH3_TX_LRPOL_STEREO (ioh_lrpol_no_invert)
/* select transmit data front or back of TX side. The value is ioh_aft_t */
#define I2S_CH3_TX_AFT_STEREO (ioh_aft_front)

/* select RX data delay on or off. The value is enum ioh_dlyoff_t */
#define I2S_CH3_RX_DLYOFF_STEREO (ioh_dlyoff_dly_on)
/* select RX data format LSB or MSB first. The value is ioh_lsb_t */
#define I2S_CH3_RX_LSB_STEREO (ioh_lsb_msb_first)
/* select LRCLK polarity of RX side. The value is ioh_lrpol_t */
#define I2S_CH3_RX_LRPOL_STEREO (ioh_lrpol_no_invert)
/* select transmit data front or back of RX side. The value is ioh_aft_t */
#define I2S_CH3_RX_AFT_STEREO (ioh_aft_front)

/* I2S CH3 monaural config */
/* select BCLK polarity. The value is enum ioh_bclkpol_t */
#define I2S_CH3_BCLKPOL_MONO (ioh_bclkpol_falling)
/* select DAI format. The value is enum ioh_lrckfmt_t */
#define I2S_CH3_LRCKFMT_MONO (ioh_lrclkfmt_longframe)

/* select TX data delay on or off. The value is enum ioh_dlyoff_t */
#define I2S_CH3_TX_DLYOFF_MONO (ioh_dlyoff_dly_off)
/* select TX data format LSB or MSB first. The value is ioh_lsb_t */
#define I2S_CH3_TX_LSB_MONO (ioh_lsb_msb_first)
/* select RX data delay on or off. The value is enum ioh_dlyoff_t */
#define I2S_CH3_RX_DLYOFF_MONO (ioh_dlyoff_dly_off)
/* select RX data format LSB or MSB first. The value is ioh_lsb_t */
#define I2S_CH3_RX_LSB_MONO (ioh_lsb_msb_first)


/* =================== I2S CH4 config =================== */
#define I2S_CH4_MCLK (12288000) /* Master Clock Frequency[Hz] */
#if IOH_I2S_USE_PARAM
#define I2S_CH4_FS_16000 16000
#define I2S_CH4_FS_32000 32000
#define I2S_CH4_FS_48000 48000
#else
#define I2S_CH4_FS_8000 8000
#define I2S_CH4_FS_11025 11025
#define I2S_CH4_FS_22050 22050
#define I2S_CH4_FS_44100 44100
#endif

/* select master or slave. The value is ioh_mssel_t */
#define I2S_CH4_MSSEL (ioh_mssel_master)
/* select MCLK or MLBCLK into Master Clock. The value is enum ioh_masterclk_t */
#define I2S_CH4_MASTERCLKSEL (ioh_masterclksel_mclk)

/* I2S CH4 stereo config */
/* select BCLK polarity. The value is enum ioh_bclkpol_t */
#define I2S_CH4_BCLKPOL_STEREO (ioh_bclkpol_falling)
/* select DAI format. The value is enum ioh_lrckfmt_t */
#define I2S_CH4_LRCKFMT_STEREO (ioh_lrclkfmt_i2s)

/* select TX data delay on or off. The value is enum ioh_dlyoff_t */
#define I2S_CH4_TX_DLYOFF_STEREO (ioh_dlyoff_dly_on)
/* select TX data format LSB or MSB first. The value is ioh_lsb_t */
#define I2S_CH4_TX_LSB_STEREO (ioh_lsb_msb_first)
/* select LRCLK polarity of TX side. The value is ioh_lrpol_t */
#define I2S_CH4_TX_LRPOL_STEREO (ioh_lrpol_no_invert)
/* select transmit data front or back of TX side. The value is ioh_aft_t */
#define I2S_CH4_TX_AFT_STEREO (ioh_aft_front)

/* select RX data delay on or off. The value is enum ioh_dlyoff_t */
#define I2S_CH4_RX_DLYOFF_STEREO (ioh_dlyoff_dly_on)
/* select RX data format LSB or MSB first. The value is ioh_lsb_t */
#define I2S_CH4_RX_LSB_STEREO (ioh_lsb_msb_first)
/* select LRCLK polarity of RX side. The value is ioh_lrpol_t */
#define I2S_CH4_RX_LRPOL_STEREO (ioh_lrpol_no_invert)
/* select transmit data front or back of RX side. The value is ioh_aft_t */
#define I2S_CH4_RX_AFT_STEREO (ioh_aft_front)

/* I2S CH4 monaural config */
/* select BCLK polarity. The value is enum ioh_bclkpol_t */
#define I2S_CH4_BCLKPOL_MONO (ioh_bclkpol_falling)
/* select DAI format. The value is enum ioh_lrckfmt_t */
#define I2S_CH4_LRCKFMT_MONO (ioh_lrclkfmt_longframe)

/* select TX data delay on or off. The value is enum ioh_dlyoff_t */
#define I2S_CH4_TX_DLYOFF_MONO (ioh_dlyoff_dly_off)
/* select TX data format LSB or MSB first. The value is ioh_lsb_t */
#define I2S_CH4_TX_LSB_MONO (ioh_lsb_msb_first)
/* select RX data delay on or off. The value is enum ioh_dlyoff_t */
#define I2S_CH4_RX_DLYOFF_MONO (ioh_dlyoff_dly_off)
/* select RX data format LSB or MSB first. The value is ioh_lsb_t */
#define I2S_CH4_RX_LSB_MONO (ioh_lsb_msb_first)


/* =================== I2S CH5 config =================== */
#define I2S_CH5_MCLK (12288000) /* Master Clock Frequency[Hz] */
#if IOH_I2S_USE_PARAM
#define I2S_CH5_FS_16000 16000
#define I2S_CH5_FS_32000 32000
#define I2S_CH5_FS_48000 48000
#else
#define I2S_CH5_FS_8000 8000
#define I2S_CH5_FS_11025 11025
#define I2S_CH5_FS_22050 22050
#define I2S_CH5_FS_44100 44100
#endif

/* select master or slave. The value is ioh_mssel_t */
#define I2S_CH5_MSSEL (ioh_mssel_master)
/* select MCLK or MLBCLK into Master Clock. The value is enum ioh_masterclk_t */
#define I2S_CH5_MASTERCLKSEL (ioh_masterclksel_mclk)

/* I2S CH5 stereo config */
/* select BCLK polarity. The value is enum ioh_bclkpol_t */
#define I2S_CH5_BCLKPOL_STEREO (ioh_bclkpol_falling)
/* select DAI format. The value is enum ioh_lrckfmt_t */
#define I2S_CH5_LRCKFMT_STEREO (ioh_lrclkfmt_i2s)

/* select TX data delay on or off. The value is enum ioh_dlyoff_t */
#define I2S_CH5_TX_DLYOFF_STEREO (ioh_dlyoff_dly_on)
/* select TX data format LSB or MSB first. The value is ioh_lsb_t */
#define I2S_CH5_TX_LSB_STEREO (ioh_lsb_msb_first)
/* select LRCLK polarity of TX side. The value is ioh_lrpol_t */
#define I2S_CH5_TX_LRPOL_STEREO (ioh_lrpol_no_invert)
/* select transmit data front or back of TX side. The value is ioh_aft_t */
#define I2S_CH5_TX_AFT_STEREO (ioh_aft_front)

/* select RX data delay on or off. The value is enum ioh_dlyoff_t */
#define I2S_CH5_RX_DLYOFF_STEREO (ioh_dlyoff_dly_on)
/* select RX data format LSB or MSB first. The value is ioh_lsb_t */
#define I2S_CH5_RX_LSB_STEREO (ioh_lsb_msb_first)
/* select LRCLK polarity of RX side. The value is ioh_lrpol_t */
#define I2S_CH5_RX_LRPOL_STEREO (ioh_lrpol_no_invert)
/* select transmit data front or back of RX side. The value is ioh_aft_t */
#define I2S_CH5_RX_AFT_STEREO (ioh_aft_front)

/* I2S CH5 monaural config */
/* select BCLK polarity. The value is enum ioh_bclkpol_t */
#define I2S_CH5_BCLKPOL_MONO (ioh_bclkpol_falling)
/* select DAI format. The value is enum ioh_lrckfmt_t */
#define I2S_CH5_LRCKFMT_MONO (ioh_lrclkfmt_longframe)

/* select TX data delay on or off. The value is enum ioh_dlyoff_t */
#define I2S_CH5_TX_DLYOFF_MONO (ioh_dlyoff_dly_off)
/* select TX data format LSB or MSB first. The value is ioh_lsb_t */
#define I2S_CH5_TX_LSB_MONO (ioh_lsb_msb_first)
/* select RX data delay on or off. The value is enum ioh_dlyoff_t */
#define I2S_CH5_RX_DLYOFF_MONO (ioh_dlyoff_dly_off)
/* select RX data format LSB or MSB first. The value is ioh_lsb_t */
#define I2S_CH5_RX_LSB_MONO (ioh_lsb_msb_first)


/* ######################################################################## */
/* ### Parameter Check PreProcessor ### */
/* ######################################################################## */

/* ===== CH0 Parameter Error Check ==== */
#define USE_RATE_MAX_CH0 (0)
#ifdef I2S_CH0_FS_8000
#define USE_RATE_CH0_8000 SNDRV_PCM_RATE_8000
#define USE_RATE_MIN_CH0 (8000)
#if (USE_RATE_MAX_CH0 < 8000)
#undef USE_RATE_MAX_CH0
#define USE_RATE_MAX_CH0 (8000)
#endif
#else
#define USE_RATE_CH0_8000 0
#endif

#ifdef I2S_CH0_FS_11025
#define USE_RATE_CH0_11025 SNDRV_PCM_RATE_11025
#ifndef USE_RATE_MIN_CH0
#define USE_RATE_MIN_CH0 (11025)
#endif
#if (USE_RATE_MAX_CH0 < 11025)
#undef USE_RATE_MAX_CH0
#define USE_RATE_MAX_CH0 (11025)
#endif
#else
#define USE_RATE_CH0_11025 0
#endif

#ifdef I2S_CH0_FS_16000
#define USE_RATE_CH0_16000 SNDRV_PCM_RATE_16000
#ifndef USE_RATE_MIN_CH0
#define USE_RATE_MIN_CH0 (16000)
#endif
#if (USE_RATE_MAX_CH0 < 16000)
#undef USE_RATE_MAX_CH0
#define USE_RATE_MAX_CH0 (16000)
#endif
#else
#define USE_RATE_CH0_16000 0
#endif

#ifdef I2S_CH0_FS_22050
#define USE_RATE_CH0_22050 SNDRV_PCM_RATE_22050
#ifndef USE_RATE_MIN_CH0
#define USE_RATE_MIN_CH0 (22050)
#endif
#if (USE_RATE_MAX_CH0 < 22050)
#undef USE_RATE_MAX_CH0
#define USE_RATE_MAX_CH0 (22050)
#endif
#else
#define USE_RATE_CH0_22050 0
#endif

#ifdef I2S_CH0_FS_32000
#define USE_RATE_CH0_32000 SNDRV_PCM_RATE_32000
#ifndef USE_RATE_MIN_CH0
#define USE_RATE_MIN_CH0 (32000)
#endif
#if (USE_RATE_MAX_CH0 < 32000)
#undef USE_RATE_MAX_CH0
#define USE_RATE_MAX_CH0 (32000)
#endif
#else
#define USE_RATE_CH0_32000 0
#endif

#ifdef I2S_CH0_FS_44100
#define USE_RATE_CH0_44100 SNDRV_PCM_RATE_44100
#ifndef USE_RATE_MIN_CH0
#define USE_RATE_MIN_CH0 (44100)
#endif
#if (USE_RATE_MAX_CH0 < 44100)
#undef USE_RATE_MAX_CH0
#define USE_RATE_MAX_CH0 (44100)
#endif
#else
#define USE_RATE_CH0_44100 0
#endif

#ifdef I2S_CH0_FS_48000
#define USE_RATE_CH0_48000 SNDRV_PCM_RATE_48000
#ifndef USE_RATE_MIN_CH0
#define USE_RATE_MIN_CH0 (48000)
#endif
#if (USE_RATE_MAX_CH0 < 48000)
#undef USE_RATE_MAX_CH0
#define USE_RATE_MAX_CH0 (48000)
#endif
#else
#define USE_RATE_CH0_48000 0
#endif

#define USE_RATE_CH0 (USE_RATE_CH0_8000|USE_RATE_CH0_11025 | \
USE_RATE_CH0_16000|USE_RATE_CH0_22050 | \
USE_RATE_CH0_32000|USE_RATE_CH0_44100 | \
USE_RATE_CH0_48000)


#define I2S_CH0_64FS (I2S_CH0_MCLK/64)
#define I2S_CH0_128FS (I2S_CH0_MCLK/128)
#define I2S_CH0_192FS (I2S_CH0_MCLK/192)
#define I2S_CH0_256FS (I2S_CH0_MCLK/256)
#define I2S_CH0_384FS (I2S_CH0_MCLK/384)
#define I2S_CH0_512FS (I2S_CH0_MCLK/512)
#define I2S_CH0_768FS (I2S_CH0_MCLK/768)
#define I2S_CH0_1024FS (I2S_CH0_MCLK/1024)


#if (I2S_CH0_MSSEL == ioh_mssel_master)
#ifdef I2S_CH0_FS_8000
#if (I2S_CH0_64FS != I2S_CH0_FS_8000) && \
(I2S_CH0_128FS != I2S_CH0_FS_8000) && \
(I2S_CH0_192FS != I2S_CH0_FS_8000) && \
(I2S_CH0_256FS != I2S_CH0_FS_8000) && \
(I2S_CH0_384FS != I2S_CH0_FS_8000) && \
(I2S_CH0_512FS != I2S_CH0_FS_8000) && \
(I2S_CH0_768FS != I2S_CH0_FS_8000) && \
(I2S_CH0_1024FS != I2S_CH0_FS_8000)
#error IOH_I2S_CH0_CONFIG Error : \
Sampling frequency 8000Hz can not generate.
#endif
#endif

#ifdef I2S_CH0_FS_11025
#if (I2S_CH0_64FS != I2S_CH0_FS_11025) && \
(I2S_CH0_128FS != I2S_CH0_FS_11025) && \
(I2S_CH0_192FS != I2S_CH0_FS_11025) && \
(I2S_CH0_256FS != I2S_CH0_FS_11025) && \
(I2S_CH0_384FS != I2S_CH0_FS_11025) && \
(I2S_CH0_512FS != I2S_CH0_FS_11025) && \
(I2S_CH0_768FS != I2S_CH0_FS_11025) && \
(I2S_CH0_1024FS != I2S_CH0_FS_11025)
#error IOH_I2S_CH0_CONFIG Error : \
Sampling frequency 11025Hz can not generate.
#endif
#endif
#ifdef I2S_CH0_FS_16000
#if (I2S_CH0_64FS != I2S_CH0_FS_16000) && \
(I2S_CH0_128FS != I2S_CH0_FS_16000) && \
(I2S_CH0_192FS != I2S_CH0_FS_16000) && \
(I2S_CH0_256FS != I2S_CH0_FS_16000) && \
(I2S_CH0_384FS != I2S_CH0_FS_16000) && \
(I2S_CH0_512FS != I2S_CH0_FS_16000) && \
(I2S_CH0_768FS != I2S_CH0_FS_16000) && \
(I2S_CH0_1024FS != I2S_CH0_FS_16000)
#error IOH_I2S_CH0_CONFIG Error : \
Sampling frequency 16000Hz can not generate.
#endif
#endif
#ifdef I2S_CH0_FS_22050
#if (I2S_CH0_64FS != I2S_CH0_FS_22050) && \
(I2S_CH0_128FS != I2S_CH0_FS_22050) && \
(I2S_CH0_192FS != I2S_CH0_FS_22050) && \
(I2S_CH0_256FS != I2S_CH0_FS_22050) && \
(I2S_CH0_384FS != I2S_CH0_FS_22050) && \
(I2S_CH0_512FS != I2S_CH0_FS_22050) && \
(I2S_CH0_768FS != I2S_CH0_FS_22050) && \
(I2S_CH0_1024FS != I2S_CH0_FS_22050)
#error IOH_I2S_CH0_CONFIG Error : \
Sampling frequency 22050Hz can not generate.
#endif
#endif
#ifdef I2S_CH0_FS_32000
#if (I2S_CH0_64FS != I2S_CH0_FS_32000) && \
(I2S_CH0_128FS != I2S_CH0_FS_32000) && \
(I2S_CH0_192FS != I2S_CH0_FS_32000) && \
(I2S_CH0_256FS != I2S_CH0_FS_32000) && \
(I2S_CH0_384FS != I2S_CH0_FS_32000) && \
(I2S_CH0_512FS != I2S_CH0_FS_32000) && \
(I2S_CH0_768FS != I2S_CH0_FS_32000) && \
(I2S_CH0_1024FS != I2S_CH0_FS_32000)
#error IOH_I2S_CH0_CONFIG Error : \
Sampling frequency 32000Hz can not generate.
#endif
#endif
#ifdef I2S_CH0_FS_44100
#if (I2S_CH0_64FS != I2S_CH0_FS_44100) && \
(I2S_CH0_128FS != I2S_CH0_FS_44100) && \
(I2S_CH0_192FS != I2S_CH0_FS_44100) && \
(I2S_CH0_256FS != I2S_CH0_FS_44100) && \
(I2S_CH0_384FS != I2S_CH0_FS_44100) && \
(I2S_CH0_512FS != I2S_CH0_FS_44100) && \
(I2S_CH0_768FS != I2S_CH0_FS_44100) && \
(I2S_CH0_1024FS != I2S_CH0_FS_44100)
#error IOH_I2S_CH0_CONFIG Error : \
Sampling frequency 44100Hz can not generate.
#endif
#endif
#ifdef I2S_CH0_FS_48000
#if (I2S_CH0_64FS != I2S_CH0_FS_48000) && \
(I2S_CH0_128FS != I2S_CH0_FS_48000) && \
(I2S_CH0_192FS != I2S_CH0_FS_48000) && \
(I2S_CH0_256FS != I2S_CH0_FS_48000) && \
(I2S_CH0_384FS != I2S_CH0_FS_48000) && \
(I2S_CH0_512FS != I2S_CH0_FS_48000) && \
(I2S_CH0_768FS != I2S_CH0_FS_48000) && \
(I2S_CH0_1024FS != I2S_CH0_FS_48000)
#error IOH_I2S_CH0_CONFIG Error : \
Sampling frequency 48000Hz can not generate.
#endif
#endif
#endif /* end of [#if (I2S_CH0_MSSEL == ioh_mssel_master)] */


/* ===== CH1 Parameter Error Check ==== */
#define USE_RATE_MAX_CH1 (0)
#ifdef I2S_CH1_FS_8000
#define USE_RATE_CH1_8000 SNDRV_PCM_RATE_8000
#define USE_RATE_MIN_CH1 (8000)
#if (USE_RATE_MAX_CH1 < 8000)
#undef USE_RATE_MAX_CH1
#define USE_RATE_MAX_CH1 (8000)
#endif
#else
#define USE_RATE_CH1_8000 0
#endif

#ifdef I2S_CH1_FS_11025
#define USE_RATE_CH1_11025 SNDRV_PCM_RATE_11025
#ifndef USE_RATE_MIN_CH1
#define USE_RATE_MIN_CH1 (11025)
#endif
#if (USE_RATE_MAX_CH1 < 11025)
#undef USE_RATE_MAX_CH1
#define USE_RATE_MAX_CH1 (11025)
#endif
#else
#define USE_RATE_CH1_11025 0
#endif

#ifdef I2S_CH1_FS_16000
#define USE_RATE_CH1_16000 SNDRV_PCM_RATE_16000
#ifndef USE_RATE_MIN_CH1
#define USE_RATE_MIN_CH1 (16000)
#endif
#if (USE_RATE_MAX_CH1 < 16000)
#undef USE_RATE_MAX_CH1
#define USE_RATE_MAX_CH1 (16000)
#endif
#else
#define USE_RATE_CH1_16000 0
#endif

#ifdef I2S_CH1_FS_22050
#define USE_RATE_CH1_22050 SNDRV_PCM_RATE_22050
#ifndef USE_RATE_MIN_CH1
#define USE_RATE_MIN_CH1 (22050)
#endif
#if (USE_RATE_MAX_CH1 < 22050)
#undef USE_RATE_MAX_CH1
#define USE_RATE_MAX_CH1 (22050)
#endif
#else
#define USE_RATE_CH1_22050 0
#endif

#ifdef I2S_CH1_FS_32000
#define USE_RATE_CH1_32000 SNDRV_PCM_RATE_32000
#ifndef USE_RATE_MIN_CH1
#define USE_RATE_MIN_CH1 (32000)
#endif
#if (USE_RATE_MAX_CH1 < 32000)
#undef USE_RATE_MAX_CH1
#define USE_RATE_MAX_CH1 (32000)
#endif
#else
#define USE_RATE_CH1_32000 0
#endif

#ifdef I2S_CH1_FS_44100
#define USE_RATE_CH1_44100 SNDRV_PCM_RATE_44100
#ifndef USE_RATE_MIN_CH1
#define USE_RATE_MIN_CH1 (44100)
#endif
#if (USE_RATE_MAX_CH1 < 44100)
#undef USE_RATE_MAX_CH1
#define USE_RATE_MAX_CH1 (44100)
#endif
#else
#define USE_RATE_CH1_44100 0
#endif

#ifdef I2S_CH1_FS_48000
#define USE_RATE_CH1_48000 SNDRV_PCM_RATE_48000
#ifndef USE_RATE_MIN_CH1
#define USE_RATE_MIN_CH1 (48000)
#endif
#if (USE_RATE_MAX_CH1 < 48000)
#undef USE_RATE_MAX_CH1
#define USE_RATE_MAX_CH1 (48000)
#endif
#else
#define USE_RATE_CH1_48000 0
#endif

#define USE_RATE_CH1 (USE_RATE_CH1_8000|USE_RATE_CH1_11025 | \
USE_RATE_CH1_16000|USE_RATE_CH1_22050 | \
USE_RATE_CH1_32000|USE_RATE_CH1_44100 | \
USE_RATE_CH1_48000)


#define I2S_CH1_64FS (I2S_CH1_MCLK/64)
#define I2S_CH1_128FS (I2S_CH1_MCLK/128)
#define I2S_CH1_192FS (I2S_CH1_MCLK/192)
#define I2S_CH1_256FS (I2S_CH1_MCLK/256)
#define I2S_CH1_384FS (I2S_CH1_MCLK/384)
#define I2S_CH1_512FS (I2S_CH1_MCLK/512)
#define I2S_CH1_768FS (I2S_CH1_MCLK/768)
#define I2S_CH1_1024FS (I2S_CH1_MCLK/1024)


#if (I2S_CH1_MSSEL == ioh_mssel_master)
#ifdef I2S_CH1_FS_8000
#if (I2S_CH1_64FS != I2S_CH1_FS_8000) && \
(I2S_CH1_128FS != I2S_CH1_FS_8000) && \
(I2S_CH1_192FS != I2S_CH1_FS_8000) && \
(I2S_CH1_256FS != I2S_CH1_FS_8000) && \
(I2S_CH1_384FS != I2S_CH1_FS_8000) && \
(I2S_CH1_512FS != I2S_CH1_FS_8000) && \
(I2S_CH1_768FS != I2S_CH1_FS_8000) && \
(I2S_CH1_1024FS != I2S_CH1_FS_8000)
#error IOH_I2S_CH1_CONFIG Error : \
Sampling frequency 8000Hz can not generate.
#endif
#endif

#ifdef I2S_CH1_FS_11025
#if (I2S_CH1_64FS != I2S_CH1_FS_11025) && \
(I2S_CH1_128FS != I2S_CH1_FS_11025) && \
(I2S_CH1_192FS != I2S_CH1_FS_11025) && \
(I2S_CH1_256FS != I2S_CH1_FS_11025) && \
(I2S_CH1_384FS != I2S_CH1_FS_11025) && \
(I2S_CH1_512FS != I2S_CH1_FS_11025) && \
(I2S_CH1_768FS != I2S_CH1_FS_11025) && \
(I2S_CH1_1024FS != I2S_CH1_FS_11025)
#error IOH_I2S_CH1_CONFIG Error : \
Sampling frequency 11025Hz can not generate.
#endif
#endif
#ifdef I2S_CH1_FS_16000
#if (I2S_CH1_64FS != I2S_CH1_FS_16000) && \
(I2S_CH1_128FS != I2S_CH1_FS_16000) && \
(I2S_CH1_192FS != I2S_CH1_FS_16000) && \
(I2S_CH1_256FS != I2S_CH1_FS_16000) && \
(I2S_CH1_384FS != I2S_CH1_FS_16000) && \
(I2S_CH1_512FS != I2S_CH1_FS_16000) && \
(I2S_CH1_768FS != I2S_CH1_FS_16000) && \
(I2S_CH1_1024FS != I2S_CH1_FS_16000)
#error IOH_I2S_CH1_CONFIG Error : \
Sampling frequency 16000Hz can not generate.
#endif
#endif
#ifdef I2S_CH1_FS_22050
#if (I2S_CH1_64FS != I2S_CH1_FS_22050) && \
(I2S_CH1_128FS != I2S_CH1_FS_22050) && \
(I2S_CH1_192FS != I2S_CH1_FS_22050) && \
(I2S_CH1_256FS != I2S_CH1_FS_22050) && \
(I2S_CH1_384FS != I2S_CH1_FS_22050) && \
(I2S_CH1_512FS != I2S_CH1_FS_22050) && \
(I2S_CH1_768FS != I2S_CH1_FS_22050) && \
(I2S_CH1_1024FS != I2S_CH1_FS_22050)
#error IOH_I2S_CH1_CONFIG Error : \
Sampling frequency 22050Hz can not generate.
#endif
#endif
#ifdef I2S_CH1_FS_32000
#if (I2S_CH1_64FS != I2S_CH1_FS_32000) && \
(I2S_CH1_128FS != I2S_CH1_FS_32000) && \
(I2S_CH1_192FS != I2S_CH1_FS_32000) && \
(I2S_CH1_256FS != I2S_CH1_FS_32000) && \
(I2S_CH1_384FS != I2S_CH1_FS_32000) && \
(I2S_CH1_512FS != I2S_CH1_FS_32000) && \
(I2S_CH1_768FS != I2S_CH1_FS_32000) && \
(I2S_CH1_1024FS != I2S_CH1_FS_32000)
#error IOH_I2S_CH1_CONFIG Error : \
Sampling frequency 32000Hz can not generate.
#endif
#endif
#ifdef I2S_CH1_FS_44100
#if (I2S_CH1_64FS != I2S_CH1_FS_44100) && \
(I2S_CH1_128FS != I2S_CH1_FS_44100) && \
(I2S_CH1_192FS != I2S_CH1_FS_44100) && \
(I2S_CH1_256FS != I2S_CH1_FS_44100) && \
(I2S_CH1_384FS != I2S_CH1_FS_44100) && \
(I2S_CH1_512FS != I2S_CH1_FS_44100) && \
(I2S_CH1_768FS != I2S_CH1_FS_44100) && \
(I2S_CH1_1024FS != I2S_CH1_FS_44100)
#error IOH_I2S_CH1_CONFIG Error : \
Sampling frequency 44100Hz can not generate.
#endif
#endif
#ifdef I2S_CH1_FS_48000
#if (I2S_CH1_64FS != I2S_CH1_FS_48000) && \
(I2S_CH1_128FS != I2S_CH1_FS_48000) && \
(I2S_CH1_192FS != I2S_CH1_FS_48000) && \
(I2S_CH1_256FS != I2S_CH1_FS_48000) && \
(I2S_CH1_384FS != I2S_CH1_FS_48000) && \
(I2S_CH1_512FS != I2S_CH1_FS_48000) && \
(I2S_CH1_768FS != I2S_CH1_FS_48000) && \
(I2S_CH1_1024FS != I2S_CH1_FS_48000)
#error IOH_I2S_CH1_CONFIG Error : \
Sampling frequency 48000Hz can not generate.
#endif
#endif
#endif /* end of [#if (I2S_CH1_MSSEL == ioh_mssel_master)] */


/* ===== CH2 Parameter Error Check ==== */
#define USE_RATE_MAX_CH2 (0)
#ifdef I2S_CH2_FS_8000
#define USE_RATE_CH2_8000 SNDRV_PCM_RATE_8000
#define USE_RATE_MIN_CH2 (8000)
#if (USE_RATE_MAX_CH2 < 8000)
#undef USE_RATE_MAX_CH2
#define USE_RATE_MAX_CH2 (8000)
#endif
#else
#define USE_RATE_CH2_8000 0
#endif

#ifdef I2S_CH2_FS_11025
#define USE_RATE_CH2_11025 SNDRV_PCM_RATE_11025
#ifndef USE_RATE_MIN_CH2
#define USE_RATE_MIN_CH2 (11025)
#endif
#if (USE_RATE_MAX_CH2 < 11025)
#undef USE_RATE_MAX_CH2
#define USE_RATE_MAX_CH2 (11025)
#endif
#else
#define USE_RATE_CH2_11025 0
#endif

#ifdef I2S_CH2_FS_16000
#define USE_RATE_CH2_16000 SNDRV_PCM_RATE_16000
#ifndef USE_RATE_MIN_CH2
#define USE_RATE_MIN_CH2 (16000)
#endif
#if (USE_RATE_MAX_CH2 < 16000)
#undef USE_RATE_MAX_CH2
#define USE_RATE_MAX_CH2 (16000)
#endif
#else
#define USE_RATE_CH2_16000 0
#endif

#ifdef I2S_CH2_FS_22050
#define USE_RATE_CH2_22050 SNDRV_PCM_RATE_22050
#ifndef USE_RATE_MIN_CH2
#define USE_RATE_MIN_CH2 (22050)
#endif
#if (USE_RATE_MAX_CH2 < 22050)
#undef USE_RATE_MAX_CH2
#define USE_RATE_MAX_CH2 (22050)
#endif
#else
#define USE_RATE_CH2_22050 0
#endif

#ifdef I2S_CH2_FS_32000
#define USE_RATE_CH2_32000 SNDRV_PCM_RATE_32000
#ifndef USE_RATE_MIN_CH2
#define USE_RATE_MIN_CH2 (32000)
#endif
#if (USE_RATE_MAX_CH2 < 32000)
#undef USE_RATE_MAX_CH2
#define USE_RATE_MAX_CH2 (32000)
#endif
#else
#define USE_RATE_CH2_32000 0
#endif

#ifdef I2S_CH2_FS_44100
#define USE_RATE_CH2_44100 SNDRV_PCM_RATE_44100
#ifndef USE_RATE_MIN_CH2
#define USE_RATE_MIN_CH2 (44100)
#endif
#if (USE_RATE_MAX_CH2 < 44100)
#undef USE_RATE_MAX_CH2
#define USE_RATE_MAX_CH2 (44100)
#endif
#else
#define USE_RATE_CH2_44100 0
#endif

#ifdef I2S_CH2_FS_48000
#define USE_RATE_CH2_48000 SNDRV_PCM_RATE_48000
#ifndef USE_RATE_MIN_CH2
#define USE_RATE_MIN_CH2 (48000)
#endif
#if (USE_RATE_MAX_CH2 < 48000)
#undef USE_RATE_MAX_CH2
#define USE_RATE_MAX_CH2 (48000)
#endif
#else
#define USE_RATE_CH2_48000 0
#endif

#define USE_RATE_CH2 (USE_RATE_CH2_8000|USE_RATE_CH2_11025 | \
USE_RATE_CH2_16000|USE_RATE_CH2_22050 | \
USE_RATE_CH2_32000|USE_RATE_CH2_44100 | \
USE_RATE_CH2_48000)


#define I2S_CH2_64FS (I2S_CH2_MCLK/64)
#define I2S_CH2_128FS (I2S_CH2_MCLK/128)
#define I2S_CH2_192FS (I2S_CH2_MCLK/192)
#define I2S_CH2_256FS (I2S_CH2_MCLK/256)
#define I2S_CH2_384FS (I2S_CH2_MCLK/384)
#define I2S_CH2_512FS (I2S_CH2_MCLK/512)
#define I2S_CH2_768FS (I2S_CH2_MCLK/768)
#define I2S_CH2_1024FS (I2S_CH2_MCLK/1024)


#if (I2S_CH2_MSSEL == ioh_mssel_master)
#ifdef I2S_CH2_FS_8000
#if (I2S_CH2_64FS != I2S_CH2_FS_8000) && \
(I2S_CH2_128FS != I2S_CH2_FS_8000) && \
(I2S_CH2_192FS != I2S_CH2_FS_8000) && \
(I2S_CH2_256FS != I2S_CH2_FS_8000) && \
(I2S_CH2_384FS != I2S_CH2_FS_8000) && \
(I2S_CH2_512FS != I2S_CH2_FS_8000) && \
(I2S_CH2_768FS != I2S_CH2_FS_8000) && \
(I2S_CH2_1024FS != I2S_CH2_FS_8000)
#error IOH_I2S_CH2_CONFIG Error : \
Sampling frequency 8000Hz can not generate.
#endif
#endif

#ifdef I2S_CH2_FS_11025
#if (I2S_CH2_64FS != I2S_CH2_FS_11025) && \
(I2S_CH2_128FS != I2S_CH2_FS_11025) && \
(I2S_CH2_192FS != I2S_CH2_FS_11025) && \
(I2S_CH2_256FS != I2S_CH2_FS_11025) && \
(I2S_CH2_384FS != I2S_CH2_FS_11025) && \
(I2S_CH2_512FS != I2S_CH2_FS_11025) && \
(I2S_CH2_768FS != I2S_CH2_FS_11025) && \
(I2S_CH2_1024FS != I2S_CH2_FS_11025)
#error IOH_I2S_CH2_CONFIG Error : \
Sampling frequency 11025Hz can not generate.
#endif
#endif
#ifdef I2S_CH2_FS_16000
#if (I2S_CH2_64FS != I2S_CH2_FS_16000) && \
(I2S_CH2_128FS != I2S_CH2_FS_16000) && \
(I2S_CH2_192FS != I2S_CH2_FS_16000) && \
(I2S_CH2_256FS != I2S_CH2_FS_16000) && \
(I2S_CH2_384FS != I2S_CH2_FS_16000) && \
(I2S_CH2_512FS != I2S_CH2_FS_16000) && \
(I2S_CH2_768FS != I2S_CH2_FS_16000) && \
(I2S_CH2_1024FS != I2S_CH2_FS_16000)
#error IOH_I2S_CH2_CONFIG Error : \
Sampling frequency 16000Hz can not generate.
#endif
#endif
#ifdef I2S_CH2_FS_22050
#if (I2S_CH2_64FS != I2S_CH2_FS_22050) && \
(I2S_CH2_128FS != I2S_CH2_FS_22050) && \
(I2S_CH2_192FS != I2S_CH2_FS_22050) && \
(I2S_CH2_256FS != I2S_CH2_FS_22050) && \
(I2S_CH2_384FS != I2S_CH2_FS_22050) && \
(I2S_CH2_512FS != I2S_CH2_FS_22050) && \
(I2S_CH2_768FS != I2S_CH2_FS_22050) && \
(I2S_CH2_1024FS != I2S_CH2_FS_22050)
#error IOH_I2S_CH2_CONFIG Error : \
Sampling frequency 22050Hz can not generate.
#endif
#endif
#ifdef I2S_CH2_FS_32000
#if (I2S_CH2_64FS != I2S_CH2_FS_32000) && \
(I2S_CH2_128FS != I2S_CH2_FS_32000) && \
(I2S_CH2_192FS != I2S_CH2_FS_32000) && \
(I2S_CH2_256FS != I2S_CH2_FS_32000) && \
(I2S_CH2_384FS != I2S_CH2_FS_32000) && \
(I2S_CH2_512FS != I2S_CH2_FS_32000) && \
(I2S_CH2_768FS != I2S_CH2_FS_32000) && \
(I2S_CH2_1024FS != I2S_CH2_FS_32000)
#error IOH_I2S_CH2_CONFIG Error : \
Sampling frequency 32000Hz can not generate.
#endif
#endif
#ifdef I2S_CH2_FS_44100
#if (I2S_CH2_64FS != I2S_CH2_FS_44100) && \
(I2S_CH2_128FS != I2S_CH2_FS_44100) && \
(I2S_CH2_192FS != I2S_CH2_FS_44100) && \
(I2S_CH2_256FS != I2S_CH2_FS_44100) && \
(I2S_CH2_384FS != I2S_CH2_FS_44100) && \
(I2S_CH2_512FS != I2S_CH2_FS_44100) && \
(I2S_CH2_768FS != I2S_CH2_FS_44100) && \
(I2S_CH2_1024FS != I2S_CH2_FS_44100)
#error IOH_I2S_CH2_CONFIG Error : \
Sampling frequency 44100Hz can not generate.
#endif
#endif
#ifdef I2S_CH2_FS_48000
#if (I2S_CH2_64FS != I2S_CH2_FS_48000) && \
(I2S_CH2_128FS != I2S_CH2_FS_48000) && \
(I2S_CH2_192FS != I2S_CH2_FS_48000) && \
(I2S_CH2_256FS != I2S_CH2_FS_48000) && \
(I2S_CH2_384FS != I2S_CH2_FS_48000) && \
(I2S_CH2_512FS != I2S_CH2_FS_48000) && \
(I2S_CH2_768FS != I2S_CH2_FS_48000) && \
(I2S_CH2_1024FS != I2S_CH2_FS_48000)
#error IOH_I2S_CH2_CONFIG Error : \
Sampling frequency 48000Hz can not generate.
#endif
#endif
#endif /* end of [#if (I2S_CH2_MSSEL == ioh_mssel_master)] */


/* ===== CH3 Parameter Error Check ==== */
#define USE_RATE_MAX_CH3 (0)
#ifdef I2S_CH3_FS_8000
#define USE_RATE_CH3_8000 SNDRV_PCM_RATE_8000
#define USE_RATE_MIN_CH3 (8000)
#if (USE_RATE_MAX_CH3 < 8000)
#undef USE_RATE_MAX_CH3
#define USE_RATE_MAX_CH3 (8000)
#endif
#else
#define USE_RATE_CH3_8000 0
#endif

#ifdef I2S_CH3_FS_11025
#define USE_RATE_CH3_11025 SNDRV_PCM_RATE_11025
#ifndef USE_RATE_MIN_CH3
#define USE_RATE_MIN_CH3 (11025)
#endif
#if (USE_RATE_MAX_CH3 < 11025)
#undef USE_RATE_MAX_CH3
#define USE_RATE_MAX_CH3 (11025)
#endif
#else
#define USE_RATE_CH3_11025 0
#endif

#ifdef I2S_CH3_FS_16000
#define USE_RATE_CH3_16000 SNDRV_PCM_RATE_16000
#ifndef USE_RATE_MIN_CH3
#define USE_RATE_MIN_CH3 (16000)
#endif
#if (USE_RATE_MAX_CH3 < 16000)
#undef USE_RATE_MAX_CH3
#define USE_RATE_MAX_CH3 (16000)
#endif
#else
#define USE_RATE_CH3_16000 0
#endif

#ifdef I2S_CH3_FS_22050
#define USE_RATE_CH3_22050 SNDRV_PCM_RATE_22050
#ifndef USE_RATE_MIN_CH3
#define USE_RATE_MIN_CH3 (22050)
#endif
#if (USE_RATE_MAX_CH3 < 22050)
#undef USE_RATE_MAX_CH3
#define USE_RATE_MAX_CH3 (22050)
#endif
#else
#define USE_RATE_CH3_22050 0
#endif

#ifdef I2S_CH3_FS_32000
#define USE_RATE_CH3_32000 SNDRV_PCM_RATE_32000
#ifndef USE_RATE_MIN_CH3
#define USE_RATE_MIN_CH3 (32000)
#endif
#if (USE_RATE_MAX_CH3 < 32000)
#undef USE_RATE_MAX_CH3
#define USE_RATE_MAX_CH3 (32000)
#endif
#else
#define USE_RATE_CH3_32000 0
#endif

#ifdef I2S_CH3_FS_44100
#define USE_RATE_CH3_44100 SNDRV_PCM_RATE_44100
#ifndef USE_RATE_MIN_CH3
#define USE_RATE_MIN_CH3 (44100)
#endif
#if (USE_RATE_MAX_CH3 < 44100)
#undef USE_RATE_MAX_CH3
#define USE_RATE_MAX_CH3 (44100)
#endif
#else
#define USE_RATE_CH3_44100 0
#endif

#ifdef I2S_CH3_FS_48000
#define USE_RATE_CH3_48000 SNDRV_PCM_RATE_48000
#ifndef USE_RATE_MIN_CH3
#define USE_RATE_MIN_CH3 (48000)
#endif
#if (USE_RATE_MAX_CH3 < 48000)
#undef USE_RATE_MAX_CH3
#define USE_RATE_MAX_CH3 (48000)
#endif
#else
#define USE_RATE_CH3_48000 0
#endif

#define USE_RATE_CH3 (USE_RATE_CH3_8000|USE_RATE_CH3_11025 | \
USE_RATE_CH3_16000|USE_RATE_CH3_22050 | \
USE_RATE_CH3_32000|USE_RATE_CH3_44100 | \
USE_RATE_CH3_48000)


#define I2S_CH3_64FS (I2S_CH3_MCLK/64)
#define I2S_CH3_128FS (I2S_CH3_MCLK/128)
#define I2S_CH3_192FS (I2S_CH3_MCLK/192)
#define I2S_CH3_256FS (I2S_CH3_MCLK/256)
#define I2S_CH3_384FS (I2S_CH3_MCLK/384)
#define I2S_CH3_512FS (I2S_CH3_MCLK/512)
#define I2S_CH3_768FS (I2S_CH3_MCLK/768)
#define I2S_CH3_1024FS (I2S_CH3_MCLK/1024)


#if (I2S_CH3_MSSEL == ioh_mssel_master)
#ifdef I2S_CH3_FS_8000
#if (I2S_CH3_64FS != I2S_CH3_FS_8000) && \
(I2S_CH3_128FS != I2S_CH3_FS_8000) && \
(I2S_CH3_192FS != I2S_CH3_FS_8000) && \
(I2S_CH3_256FS != I2S_CH3_FS_8000) && \
(I2S_CH3_384FS != I2S_CH3_FS_8000) && \
(I2S_CH3_512FS != I2S_CH3_FS_8000) && \
(I2S_CH3_768FS != I2S_CH3_FS_8000) && \
(I2S_CH3_1024FS != I2S_CH3_FS_8000)
#error IOH_I2S_CH3_CONFIG Error : \
Sampling frequency 8000Hz can not generate.
#endif
#endif

#ifdef I2S_CH3_FS_11025
#if (I2S_CH3_64FS != I2S_CH3_FS_11025) && \
(I2S_CH3_128FS != I2S_CH3_FS_11025) && \
(I2S_CH3_192FS != I2S_CH3_FS_11025) && \
(I2S_CH3_256FS != I2S_CH3_FS_11025) && \
(I2S_CH3_384FS != I2S_CH3_FS_11025) && \
(I2S_CH3_512FS != I2S_CH3_FS_11025) && \
(I2S_CH3_768FS != I2S_CH3_FS_11025) && \
(I2S_CH3_1024FS != I2S_CH3_FS_11025)
#error IOH_I2S_CH3_CONFIG Error : \
Sampling frequency 11025Hz can not generate.
#endif
#endif
#ifdef I2S_CH3_FS_16000
#if (I2S_CH3_64FS != I2S_CH3_FS_16000) && \
(I2S_CH3_128FS != I2S_CH3_FS_16000) && \
(I2S_CH3_192FS != I2S_CH3_FS_16000) && \
(I2S_CH3_256FS != I2S_CH3_FS_16000) && \
(I2S_CH3_384FS != I2S_CH3_FS_16000) && \
(I2S_CH3_512FS != I2S_CH3_FS_16000) && \
(I2S_CH3_768FS != I2S_CH3_FS_16000) && \
(I2S_CH3_1024FS != I2S_CH3_FS_16000)
#error IOH_I2S_CH3_CONFIG Error : \
Sampling frequency 16000Hz can not generate.
#endif
#endif
#ifdef I2S_CH3_FS_22050
#if (I2S_CH3_64FS != I2S_CH3_FS_22050) && \
(I2S_CH3_128FS != I2S_CH3_FS_22050) && \
(I2S_CH3_192FS != I2S_CH3_FS_22050) && \
(I2S_CH3_256FS != I2S_CH3_FS_22050) && \
(I2S_CH3_384FS != I2S_CH3_FS_22050) && \
(I2S_CH3_512FS != I2S_CH3_FS_22050) && \
(I2S_CH3_768FS != I2S_CH3_FS_22050) && \
(I2S_CH3_1024FS != I2S_CH3_FS_22050)
#error IOH_I2S_CH3_CONFIG Error : \
Sampling frequency 22050Hz can not generate.
#endif
#endif
#ifdef I2S_CH3_FS_32000
#if (I2S_CH3_64FS != I2S_CH3_FS_32000) && \
(I2S_CH3_128FS != I2S_CH3_FS_32000) && \
(I2S_CH3_192FS != I2S_CH3_FS_32000) && \
(I2S_CH3_256FS != I2S_CH3_FS_32000) && \
(I2S_CH3_384FS != I2S_CH3_FS_32000) && \
(I2S_CH3_512FS != I2S_CH3_FS_32000) && \
(I2S_CH3_768FS != I2S_CH3_FS_32000) && \
(I2S_CH3_1024FS != I2S_CH3_FS_32000)
#error IOH_I2S_CH3_CONFIG Error : \
Sampling frequency 32000Hz can not generate.
#endif
#endif
#ifdef I2S_CH3_FS_44100
#if (I2S_CH3_64FS != I2S_CH3_FS_44100) && \
(I2S_CH3_128FS != I2S_CH3_FS_44100) && \
(I2S_CH3_192FS != I2S_CH3_FS_44100) && \
(I2S_CH3_256FS != I2S_CH3_FS_44100) && \
(I2S_CH3_384FS != I2S_CH3_FS_44100) && \
(I2S_CH3_512FS != I2S_CH3_FS_44100) && \
(I2S_CH3_768FS != I2S_CH3_FS_44100) && \
(I2S_CH3_1024FS != I2S_CH3_FS_44100)
#error IOH_I2S_CH3_CONFIG Error : \
Sampling frequency 44100Hz can not generate.
#endif
#endif
#ifdef I2S_CH3_FS_48000
#if (I2S_CH3_64FS != I2S_CH3_FS_48000) && \
(I2S_CH3_128FS != I2S_CH3_FS_48000) && \
(I2S_CH3_192FS != I2S_CH3_FS_48000) && \
(I2S_CH3_256FS != I2S_CH3_FS_48000) && \
(I2S_CH3_384FS != I2S_CH3_FS_48000) && \
(I2S_CH3_512FS != I2S_CH3_FS_48000) && \
(I2S_CH3_768FS != I2S_CH3_FS_48000) && \
(I2S_CH3_1024FS != I2S_CH3_FS_48000)
#error IOH_I2S_CH3_CONFIG Error : \
Sampling frequency 48000Hz can not generate.
#endif
#endif
#endif /* end of [#if (I2S_CH3_MSSEL == ioh_mssel_master)] */


/* ===== CH4 Parameter Error Check ==== */
#define USE_RATE_MAX_CH4 (0)
#ifdef I2S_CH4_FS_8000
#define USE_RATE_CH4_8000 SNDRV_PCM_RATE_8000
#define USE_RATE_MIN_CH4 (8000)
#if (USE_RATE_MAX_CH4 < 8000)
#undef USE_RATE_MAX_CH4
#define USE_RATE_MAX_CH4 (8000)
#endif
#else
#define USE_RATE_CH4_8000 0
#endif

#ifdef I2S_CH4_FS_11025
#define USE_RATE_CH4_11025 SNDRV_PCM_RATE_11025
#ifndef USE_RATE_MIN_CH4
#define USE_RATE_MIN_CH4 (11025)
#endif
#if (USE_RATE_MAX_CH4 < 11025)
#undef USE_RATE_MAX_CH4
#define USE_RATE_MAX_CH4 (11025)
#endif
#else
#define USE_RATE_CH4_11025 0
#endif

#ifdef I2S_CH4_FS_16000
#define USE_RATE_CH4_16000 SNDRV_PCM_RATE_16000
#ifndef USE_RATE_MIN_CH4
#define USE_RATE_MIN_CH4 (16000)
#endif
#if (USE_RATE_MAX_CH4 < 16000)
#undef USE_RATE_MAX_CH4
#define USE_RATE_MAX_CH4 (16000)
#endif
#else
#define USE_RATE_CH4_16000 0
#endif

#ifdef I2S_CH4_FS_22050
#define USE_RATE_CH4_22050 SNDRV_PCM_RATE_22050
#ifndef USE_RATE_MIN_CH4
#define USE_RATE_MIN_CH4 (22050)
#endif
#if (USE_RATE_MAX_CH4 < 22050)
#undef USE_RATE_MAX_CH4
#define USE_RATE_MAX_CH4 (22050)
#endif
#else
#define USE_RATE_CH4_22050 0
#endif

#ifdef I2S_CH4_FS_32000
#define USE_RATE_CH4_32000 SNDRV_PCM_RATE_32000
#ifndef USE_RATE_MIN_CH4
#define USE_RATE_MIN_CH4 (32000)
#endif
#if (USE_RATE_MAX_CH4 < 32000)
#undef USE_RATE_MAX_CH4
#define USE_RATE_MAX_CH4 (32000)
#endif
#else
#define USE_RATE_CH4_32000 0
#endif

#ifdef I2S_CH4_FS_44100
#define USE_RATE_CH4_44100 SNDRV_PCM_RATE_44100
#ifndef USE_RATE_MIN_CH4
#define USE_RATE_MIN_CH4 (44100)
#endif
#if (USE_RATE_MAX_CH4 < 44100)
#undef USE_RATE_MAX_CH4
#define USE_RATE_MAX_CH4 (44100)
#endif
#else
#define USE_RATE_CH4_44100 0
#endif

#ifdef I2S_CH4_FS_48000
#define USE_RATE_CH4_48000 SNDRV_PCM_RATE_48000
#ifndef USE_RATE_MIN_CH4
#define USE_RATE_MIN_CH4 (48000)
#endif
#if (USE_RATE_MAX_CH4 < 48000)
#undef USE_RATE_MAX_CH4
#define USE_RATE_MAX_CH4 (48000)
#endif
#else
#define USE_RATE_CH4_48000 0
#endif

#define USE_RATE_CH4 (USE_RATE_CH4_8000|USE_RATE_CH4_11025 | \
USE_RATE_CH4_16000|USE_RATE_CH4_22050 | \
USE_RATE_CH4_32000|USE_RATE_CH4_44100 | \
USE_RATE_CH4_48000)


#define I2S_CH4_64FS (I2S_CH4_MCLK/64)
#define I2S_CH4_128FS (I2S_CH4_MCLK/128)
#define I2S_CH4_192FS (I2S_CH4_MCLK/192)
#define I2S_CH4_256FS (I2S_CH4_MCLK/256)
#define I2S_CH4_384FS (I2S_CH4_MCLK/384)
#define I2S_CH4_512FS (I2S_CH4_MCLK/512)
#define I2S_CH4_768FS (I2S_CH4_MCLK/768)
#define I2S_CH4_1024FS (I2S_CH4_MCLK/1024)


#if (I2S_CH4_MSSEL == ioh_mssel_master)
#ifdef I2S_CH4_FS_8000
#if (I2S_CH4_64FS != I2S_CH4_FS_8000) && \
(I2S_CH4_128FS != I2S_CH4_FS_8000) && \
(I2S_CH4_192FS != I2S_CH4_FS_8000) && \
(I2S_CH4_256FS != I2S_CH4_FS_8000) && \
(I2S_CH4_384FS != I2S_CH4_FS_8000) && \
(I2S_CH4_512FS != I2S_CH4_FS_8000) && \
(I2S_CH4_768FS != I2S_CH4_FS_8000) && \
(I2S_CH4_1024FS != I2S_CH4_FS_8000)
#error IOH_I2S_CH4_CONFIG Error : \
Sampling frequency 8000Hz can not generate.
#endif
#endif

#ifdef I2S_CH4_FS_11025
#if (I2S_CH4_64FS != I2S_CH4_FS_11025) && \
(I2S_CH4_128FS != I2S_CH4_FS_11025) && \
(I2S_CH4_192FS != I2S_CH4_FS_11025) && \
(I2S_CH4_256FS != I2S_CH4_FS_11025) && \
(I2S_CH4_384FS != I2S_CH4_FS_11025) && \
(I2S_CH4_512FS != I2S_CH4_FS_11025) && \
(I2S_CH4_768FS != I2S_CH4_FS_11025) && \
(I2S_CH4_1024FS != I2S_CH4_FS_11025)
#error IOH_I2S_CH4_CONFIG Error : \
Sampling frequency 11025Hz can not generate.
#endif
#endif
#ifdef I2S_CH4_FS_16000
#if (I2S_CH4_64FS != I2S_CH4_FS_16000) && \
(I2S_CH4_128FS != I2S_CH4_FS_16000) && \
(I2S_CH4_192FS != I2S_CH4_FS_16000) && \
(I2S_CH4_256FS != I2S_CH4_FS_16000) && \
(I2S_CH4_384FS != I2S_CH4_FS_16000) && \
(I2S_CH4_512FS != I2S_CH4_FS_16000) && \
(I2S_CH4_768FS != I2S_CH4_FS_16000) && \
(I2S_CH4_1024FS != I2S_CH4_FS_16000)
#error IOH_I2S_CH4_CONFIG Error : \
Sampling frequency 16000Hz can not generate.
#endif
#endif
#ifdef I2S_CH4_FS_22050
#if (I2S_CH4_64FS != I2S_CH4_FS_22050) && \
(I2S_CH4_128FS != I2S_CH4_FS_22050) && \
(I2S_CH4_192FS != I2S_CH4_FS_22050) && \
(I2S_CH4_256FS != I2S_CH4_FS_22050) && \
(I2S_CH4_384FS != I2S_CH4_FS_22050) && \
(I2S_CH4_512FS != I2S_CH4_FS_22050) && \
(I2S_CH4_768FS != I2S_CH4_FS_22050) && \
(I2S_CH4_1024FS != I2S_CH4_FS_22050)
#error IOH_I2S_CH4_CONFIG Error : \
Sampling frequency 22050Hz can not generate.
#endif
#endif
#ifdef I2S_CH4_FS_32000
#if (I2S_CH4_64FS != I2S_CH4_FS_32000) && \
(I2S_CH4_128FS != I2S_CH4_FS_32000) && \
(I2S_CH4_192FS != I2S_CH4_FS_32000) && \
(I2S_CH4_256FS != I2S_CH4_FS_32000) && \
(I2S_CH4_384FS != I2S_CH4_FS_32000) && \
(I2S_CH4_512FS != I2S_CH4_FS_32000) && \
(I2S_CH4_768FS != I2S_CH4_FS_32000) && \
(I2S_CH4_1024FS != I2S_CH4_FS_32000)
#error IOH_I2S_CH4_CONFIG Error : \
Sampling frequency 32000Hz can not generate.
#endif
#endif
#ifdef I2S_CH4_FS_44100
#if (I2S_CH4_64FS != I2S_CH4_FS_44100) && \
(I2S_CH4_128FS != I2S_CH4_FS_44100) && \
(I2S_CH4_192FS != I2S_CH4_FS_44100) && \
(I2S_CH4_256FS != I2S_CH4_FS_44100) && \
(I2S_CH4_384FS != I2S_CH4_FS_44100) && \
(I2S_CH4_512FS != I2S_CH4_FS_44100) && \
(I2S_CH4_768FS != I2S_CH4_FS_44100) && \
(I2S_CH4_1024FS != I2S_CH4_FS_44100)
#error IOH_I2S_CH4_CONFIG Error : \
Sampling frequency 44100Hz can not generate.
#endif
#endif
#ifdef I2S_CH4_FS_48000
#if (I2S_CH4_64FS != I2S_CH4_FS_48000) && \
(I2S_CH4_128FS != I2S_CH4_FS_48000) && \
(I2S_CH4_192FS != I2S_CH4_FS_48000) && \
(I2S_CH4_256FS != I2S_CH4_FS_48000) && \
(I2S_CH4_384FS != I2S_CH4_FS_48000) && \
(I2S_CH4_512FS != I2S_CH4_FS_48000) && \
(I2S_CH4_768FS != I2S_CH4_FS_48000) && \
(I2S_CH4_1024FS != I2S_CH4_FS_48000)
#error IOH_I2S_CH4_CONFIG Error : \
Sampling frequency 48000Hz can not generate.
#endif
#endif
#endif /* end of [#if (I2S_CH4_MSSEL == ioh_mssel_master)] */


/* ===== CH5 Parameter Error Check ==== */
#define USE_RATE_MAX_CH5 (0)
#ifdef I2S_CH5_FS_8000
#define USE_RATE_CH5_8000 SNDRV_PCM_RATE_8000
#define USE_RATE_MIN_CH5 (8000)
#if (USE_RATE_MAX_CH5 < 8000)
#undef USE_RATE_MAX_CH5
#define USE_RATE_MAX_CH5 (8000)
#endif
#else
#define USE_RATE_CH5_8000 0
#endif

#ifdef I2S_CH5_FS_11025
#define USE_RATE_CH5_11025 SNDRV_PCM_RATE_11025
#ifndef USE_RATE_MIN_CH5
#define USE_RATE_MIN_CH5 (11025)
#endif
#if (USE_RATE_MAX_CH5 < 11025)
#undef USE_RATE_MAX_CH5
#define USE_RATE_MAX_CH5 (11025)
#endif
#else
#define USE_RATE_CH5_11025 0
#endif

#ifdef I2S_CH5_FS_16000
#define USE_RATE_CH5_16000 SNDRV_PCM_RATE_16000
#ifndef USE_RATE_MIN_CH5
#define USE_RATE_MIN_CH5 (16000)
#endif
#if (USE_RATE_MAX_CH5 < 16000)
#undef USE_RATE_MAX_CH5
#define USE_RATE_MAX_CH5 (16000)
#endif
#else
#define USE_RATE_CH5_16000 0
#endif

#ifdef I2S_CH5_FS_22050
#define USE_RATE_CH5_22050 SNDRV_PCM_RATE_22050
#ifndef USE_RATE_MIN_CH5
#define USE_RATE_MIN_CH5 (22050)
#endif
#if (USE_RATE_MAX_CH5 < 22050)
#undef USE_RATE_MAX_CH5
#define USE_RATE_MAX_CH5 (22050)
#endif
#else
#define USE_RATE_CH5_22050 0
#endif

#ifdef I2S_CH5_FS_32000
#define USE_RATE_CH5_32000 SNDRV_PCM_RATE_32000
#ifndef USE_RATE_MIN_CH5
#define USE_RATE_MIN_CH5 (32000)
#endif
#if (USE_RATE_MAX_CH5 < 32000)
#undef USE_RATE_MAX_CH5
#define USE_RATE_MAX_CH5 (32000)
#endif
#else
#define USE_RATE_CH5_32000 0
#endif

#ifdef I2S_CH5_FS_44100
#define USE_RATE_CH5_44100 SNDRV_PCM_RATE_44100
#ifndef USE_RATE_MIN_CH5
#define USE_RATE_MIN_CH5 (44100)
#endif
#if (USE_RATE_MAX_CH5 < 44100)
#undef USE_RATE_MAX_CH5
#define USE_RATE_MAX_CH5 (44100)
#endif
#else
#define USE_RATE_CH5_44100 0
#endif

#ifdef I2S_CH5_FS_48000
#define USE_RATE_CH5_48000 SNDRV_PCM_RATE_48000
#ifndef USE_RATE_MIN_CH5
#define USE_RATE_MIN_CH5 (48000)
#endif
#if (USE_RATE_MAX_CH5 < 48000)
#undef USE_RATE_MAX_CH5
#define USE_RATE_MAX_CH5 (48000)
#endif
#else
#define USE_RATE_CH5_48000 0
#endif

#define USE_RATE_CH5 (USE_RATE_CH5_8000|USE_RATE_CH5_11025 | \
USE_RATE_CH5_16000|USE_RATE_CH5_22050 | \
USE_RATE_CH5_32000|USE_RATE_CH5_44100 | \
USE_RATE_CH5_48000)


#define I2S_CH5_64FS (I2S_CH5_MCLK/64)
#define I2S_CH5_128FS (I2S_CH5_MCLK/128)
#define I2S_CH5_192FS (I2S_CH5_MCLK/192)
#define I2S_CH5_256FS (I2S_CH5_MCLK/256)
#define I2S_CH5_384FS (I2S_CH5_MCLK/384)
#define I2S_CH5_512FS (I2S_CH5_MCLK/512)
#define I2S_CH5_768FS (I2S_CH5_MCLK/768)
#define I2S_CH5_1024FS (I2S_CH5_MCLK/1024)


#if (I2S_CH5_MSSEL == ioh_mssel_master)
#ifdef I2S_CH5_FS_8000
#if (I2S_CH5_64FS != I2S_CH5_FS_8000) && \
(I2S_CH5_128FS != I2S_CH5_FS_8000) && \
(I2S_CH5_192FS != I2S_CH5_FS_8000) && \
(I2S_CH5_256FS != I2S_CH5_FS_8000) && \
(I2S_CH5_384FS != I2S_CH5_FS_8000) && \
(I2S_CH5_512FS != I2S_CH5_FS_8000) && \
(I2S_CH5_768FS != I2S_CH5_FS_8000) && \
(I2S_CH5_1024FS != I2S_CH5_FS_8000)
#error IOH_I2S_CH5_CONFIG Error : \
Sampling frequency 8000Hz can not generate.
#endif
#endif

#ifdef I2S_CH5_FS_11025
#if (I2S_CH5_64FS != I2S_CH5_FS_11025) && \
(I2S_CH5_128FS != I2S_CH5_FS_11025) && \
(I2S_CH5_192FS != I2S_CH5_FS_11025) && \
(I2S_CH5_256FS != I2S_CH5_FS_11025) && \
(I2S_CH5_384FS != I2S_CH5_FS_11025) && \
(I2S_CH5_512FS != I2S_CH5_FS_11025) && \
(I2S_CH5_768FS != I2S_CH5_FS_11025) && \
(I2S_CH5_1024FS != I2S_CH5_FS_11025)
#error IOH_I2S_CH5_CONFIG Error : \
Sampling frequency 11025Hz can not generate.
#endif
#endif
#ifdef I2S_CH5_FS_16000
#if (I2S_CH5_64FS != I2S_CH5_FS_16000) && \
(I2S_CH5_128FS != I2S_CH5_FS_16000) && \
(I2S_CH5_192FS != I2S_CH5_FS_16000) && \
(I2S_CH5_256FS != I2S_CH5_FS_16000) && \
(I2S_CH5_384FS != I2S_CH5_FS_16000) && \
(I2S_CH5_512FS != I2S_CH5_FS_16000) && \
(I2S_CH5_768FS != I2S_CH5_FS_16000) && \
(I2S_CH5_1024FS != I2S_CH5_FS_16000)
#error IOH_I2S_CH5_CONFIG Error : \
Sampling frequency 16000Hz can not generate.
#endif
#endif
#ifdef I2S_CH5_FS_22050
#if (I2S_CH5_64FS != I2S_CH5_FS_22050) && \
(I2S_CH5_128FS != I2S_CH5_FS_22050) && \
(I2S_CH5_192FS != I2S_CH5_FS_22050) && \
(I2S_CH5_256FS != I2S_CH5_FS_22050) && \
(I2S_CH5_384FS != I2S_CH5_FS_22050) && \
(I2S_CH5_512FS != I2S_CH5_FS_22050) && \
(I2S_CH5_768FS != I2S_CH5_FS_22050) && \
(I2S_CH5_1024FS != I2S_CH5_FS_22050)
#error IOH_I2S_CH5_CONFIG Error : \
Sampling frequency 22050Hz can not generate.
#endif
#endif
#ifdef I2S_CH5_FS_32000
#if (I2S_CH5_64FS != I2S_CH5_FS_32000) && \
(I2S_CH5_128FS != I2S_CH5_FS_32000) && \
(I2S_CH5_192FS != I2S_CH5_FS_32000) && \
(I2S_CH5_256FS != I2S_CH5_FS_32000) && \
(I2S_CH5_384FS != I2S_CH5_FS_32000) && \
(I2S_CH5_512FS != I2S_CH5_FS_32000) && \
(I2S_CH5_768FS != I2S_CH5_FS_32000) && \
(I2S_CH5_1024FS != I2S_CH5_FS_32000)
#error IOH_I2S_CH5_CONFIG Error : \
Sampling frequency 32000Hz can not generate.
#endif
#endif
#ifdef I2S_CH5_FS_44100
#if (I2S_CH5_64FS != I2S_CH5_FS_44100) && \
(I2S_CH5_128FS != I2S_CH5_FS_44100) && \
(I2S_CH5_192FS != I2S_CH5_FS_44100) && \
(I2S_CH5_256FS != I2S_CH5_FS_44100) && \
(I2S_CH5_384FS != I2S_CH5_FS_44100) && \
(I2S_CH5_512FS != I2S_CH5_FS_44100) && \
(I2S_CH5_768FS != I2S_CH5_FS_44100) && \
(I2S_CH5_1024FS != I2S_CH5_FS_44100)
#error IOH_I2S_CH5_CONFIG Error : \
Sampling frequency 44100Hz can not generate.
#endif
#endif
#ifdef I2S_CH5_FS_48000
#if (I2S_CH5_64FS != I2S_CH5_FS_48000) && \
(I2S_CH5_128FS != I2S_CH5_FS_48000) && \
(I2S_CH5_192FS != I2S_CH5_FS_48000) && \
(I2S_CH5_256FS != I2S_CH5_FS_48000) && \
(I2S_CH5_384FS != I2S_CH5_FS_48000) && \
(I2S_CH5_512FS != I2S_CH5_FS_48000) && \
(I2S_CH5_768FS != I2S_CH5_FS_48000) && \
(I2S_CH5_1024FS != I2S_CH5_FS_48000)
#error IOH_I2S_CH5_CONFIG Error : \
Sampling frequency 48000Hz can not generate.
#endif
#endif
#endif /* end of [#if (I2S_CH5_MSSEL == ioh_mssel_master)] */



/* ######################################################################## */
/* ### Parameter Table Data ### */
/* ######################################################################## */

#define I2SCLKCNT_MSSEL_OFFSET (0)
#define I2SCLKCNT_BCLKPOL_OFFSET (1)
#define I2SCLKCNT_MASTERCLKSEL_OFFSET (2)
#define I2SCLKCNT_LRCKFMT_OFFSET (4)
#define I2SCLKCNT_MCLKFS_OFFSET (8)
#define I2SCLKCNT_BCLKFS_OFFSET (12)

#define I2SCNT_DABIT_OFFSET (8)

#define I2SCNTTX_TX_TEL_OFFSET (0)
#define I2SCNTTX_TX_DLYOFF_OFFSET (12)
#define I2SCNTTX_TX_LSB_OFFSET (13)
#define I2SCNTTX_TX_LRPOL_OFFSET (14)
#define I2SCNTTX_TX_AFT_OFFSET (15)

#define I2SCNTRX_RX_TEL_OFFSET (0)
#define I2SCNTRX_RX_DLYOFF_OFFSET (12)
#define I2SCNTRX_RX_LSB_OFFSET (13)
#define I2SCNTRX_RX_LRPOL_OFFSET (14)
#define I2SCNTRX_RX_AFT_OFFSET (15)


#define STEREO_OFFSET 0
#define MONAURAL_OFFSET MAX_I2S_CH
static const struct i2s_config_tab_t i2s_config_table[MAX_I2S_CH*2] = {
/* CH0 Stereo */
{
(I2S_CH0_MSSEL << I2SCLKCNT_MSSEL_OFFSET) | \
(I2S_CH0_BCLKPOL_STEREO << I2SCLKCNT_BCLKPOL_OFFSET) | \
(I2S_CH0_MASTERCLKSEL << I2SCLKCNT_MASTERCLKSEL_OFFSET) | \
(I2S_CH0_LRCKFMT_STEREO << I2SCLKCNT_LRCKFMT_OFFSET),

(I2S_CH0_TX_DLYOFF_STEREO << I2SCNTTX_TX_DLYOFF_OFFSET) | \
(I2S_CH0_TX_LSB_STEREO << I2SCNTTX_TX_LSB_OFFSET) | \
(I2S_CH0_TX_LRPOL_STEREO << I2SCNTTX_TX_LRPOL_OFFSET) | \
(I2S_CH0_TX_AFT_STEREO << I2SCNTTX_TX_AFT_OFFSET),

(I2S_CH0_RX_DLYOFF_STEREO << I2SCNTRX_RX_DLYOFF_OFFSET) | \
(I2S_CH0_RX_LSB_STEREO << I2SCNTRX_RX_LSB_OFFSET) | \
(I2S_CH0_RX_LRPOL_STEREO << I2SCNTRX_RX_LRPOL_OFFSET) | \
(I2S_CH0_RX_AFT_STEREO << I2SCNTRX_RX_AFT_OFFSET),

I2S_CH0_MCLK,
},
/* CH1 Stereo */
{
(I2S_CH1_MSSEL << I2SCLKCNT_MSSEL_OFFSET) | \
(I2S_CH1_BCLKPOL_STEREO << I2SCLKCNT_BCLKPOL_OFFSET) | \
(I2S_CH1_MASTERCLKSEL << I2SCLKCNT_MASTERCLKSEL_OFFSET) | \
(I2S_CH1_LRCKFMT_STEREO << I2SCLKCNT_LRCKFMT_OFFSET),

(I2S_CH1_TX_DLYOFF_STEREO << I2SCNTTX_TX_DLYOFF_OFFSET) | \
(I2S_CH1_TX_LSB_STEREO << I2SCNTTX_TX_LSB_OFFSET) | \
(I2S_CH1_TX_LRPOL_STEREO << I2SCNTTX_TX_LRPOL_OFFSET) | \
(I2S_CH1_TX_AFT_STEREO << I2SCNTTX_TX_AFT_OFFSET),

(I2S_CH1_RX_DLYOFF_STEREO << I2SCNTRX_RX_DLYOFF_OFFSET) | \
(I2S_CH1_RX_LSB_STEREO << I2SCNTRX_RX_LSB_OFFSET) | \
(I2S_CH1_RX_LRPOL_STEREO << I2SCNTRX_RX_LRPOL_OFFSET) | \
(I2S_CH1_RX_AFT_STEREO << I2SCNTRX_RX_AFT_OFFSET),

I2S_CH1_MCLK,
},
/* CH2 Stereo */
{
(I2S_CH2_MSSEL << I2SCLKCNT_MSSEL_OFFSET) | \
(I2S_CH2_BCLKPOL_STEREO << I2SCLKCNT_BCLKPOL_OFFSET) | \
(I2S_CH2_MASTERCLKSEL << I2SCLKCNT_MASTERCLKSEL_OFFSET) | \
(I2S_CH2_LRCKFMT_STEREO << I2SCLKCNT_LRCKFMT_OFFSET),

(I2S_CH2_TX_DLYOFF_STEREO << I2SCNTTX_TX_DLYOFF_OFFSET) | \
(I2S_CH2_TX_LSB_STEREO << I2SCNTTX_TX_LSB_OFFSET) | \
(I2S_CH2_TX_LRPOL_STEREO << I2SCNTTX_TX_LRPOL_OFFSET) | \
(I2S_CH2_TX_AFT_STEREO << I2SCNTTX_TX_AFT_OFFSET),

(I2S_CH2_RX_DLYOFF_STEREO << I2SCNTRX_RX_DLYOFF_OFFSET) | \
(I2S_CH2_RX_LSB_STEREO << I2SCNTRX_RX_LSB_OFFSET) | \
(I2S_CH2_RX_LRPOL_STEREO << I2SCNTRX_RX_LRPOL_OFFSET) | \
(I2S_CH2_RX_AFT_STEREO << I2SCNTRX_RX_AFT_OFFSET),

I2S_CH2_MCLK,
},
/* CH3 Stereo */
{
(I2S_CH3_MSSEL << I2SCLKCNT_MSSEL_OFFSET) | \
(I2S_CH3_BCLKPOL_STEREO << I2SCLKCNT_BCLKPOL_OFFSET) | \
(I2S_CH3_MASTERCLKSEL << I2SCLKCNT_MASTERCLKSEL_OFFSET) | \
(I2S_CH3_LRCKFMT_STEREO << I2SCLKCNT_LRCKFMT_OFFSET),

(I2S_CH3_TX_DLYOFF_STEREO << I2SCNTTX_TX_DLYOFF_OFFSET) | \
(I2S_CH3_TX_LSB_STEREO << I2SCNTTX_TX_LSB_OFFSET) | \
(I2S_CH3_TX_LRPOL_STEREO << I2SCNTTX_TX_LRPOL_OFFSET) | \
(I2S_CH3_TX_AFT_STEREO << I2SCNTTX_TX_AFT_OFFSET),

(I2S_CH3_RX_DLYOFF_STEREO << I2SCNTRX_RX_DLYOFF_OFFSET) | \
(I2S_CH3_RX_LSB_STEREO << I2SCNTRX_RX_LSB_OFFSET) | \
(I2S_CH3_RX_LRPOL_STEREO << I2SCNTRX_RX_LRPOL_OFFSET) | \
(I2S_CH3_RX_AFT_STEREO << I2SCNTRX_RX_AFT_OFFSET),

I2S_CH3_MCLK,
},
/* CH4 Stereo */
{
(I2S_CH4_MSSEL << I2SCLKCNT_MSSEL_OFFSET) | \
(I2S_CH4_BCLKPOL_STEREO << I2SCLKCNT_BCLKPOL_OFFSET) | \
(I2S_CH4_MASTERCLKSEL << I2SCLKCNT_MASTERCLKSEL_OFFSET) | \
(I2S_CH4_LRCKFMT_STEREO << I2SCLKCNT_LRCKFMT_OFFSET),

(I2S_CH4_TX_DLYOFF_STEREO << I2SCNTTX_TX_DLYOFF_OFFSET) | \
(I2S_CH4_TX_LSB_STEREO << I2SCNTTX_TX_LSB_OFFSET) | \
(I2S_CH4_TX_LRPOL_STEREO << I2SCNTTX_TX_LRPOL_OFFSET) | \
(I2S_CH4_TX_AFT_STEREO << I2SCNTTX_TX_AFT_OFFSET),

(I2S_CH4_RX_DLYOFF_STEREO << I2SCNTRX_RX_DLYOFF_OFFSET) | \
(I2S_CH4_RX_LSB_STEREO << I2SCNTRX_RX_LSB_OFFSET) | \
(I2S_CH4_RX_LRPOL_STEREO << I2SCNTRX_RX_LRPOL_OFFSET) | \
(I2S_CH4_RX_AFT_STEREO << I2SCNTRX_RX_AFT_OFFSET),

I2S_CH4_MCLK,
},
/* CH5 Stereo */
{
(I2S_CH5_MSSEL << I2SCLKCNT_MSSEL_OFFSET) | \
(I2S_CH5_BCLKPOL_STEREO << I2SCLKCNT_BCLKPOL_OFFSET) | \
(I2S_CH5_MASTERCLKSEL << I2SCLKCNT_MASTERCLKSEL_OFFSET) | \
(I2S_CH5_LRCKFMT_STEREO << I2SCLKCNT_LRCKFMT_OFFSET),

(I2S_CH5_TX_DLYOFF_STEREO << I2SCNTTX_TX_DLYOFF_OFFSET) | \
(I2S_CH5_TX_LSB_STEREO << I2SCNTTX_TX_LSB_OFFSET) | \
(I2S_CH5_TX_LRPOL_STEREO << I2SCNTTX_TX_LRPOL_OFFSET) | \
(I2S_CH5_TX_AFT_STEREO << I2SCNTTX_TX_AFT_OFFSET),

(I2S_CH5_RX_DLYOFF_STEREO << I2SCNTRX_RX_DLYOFF_OFFSET) | \
(I2S_CH5_RX_LSB_STEREO << I2SCNTRX_RX_LSB_OFFSET) | \
(I2S_CH5_RX_LRPOL_STEREO << I2SCNTRX_RX_LRPOL_OFFSET) | \
(I2S_CH5_RX_AFT_STEREO << I2SCNTRX_RX_AFT_OFFSET),

I2S_CH5_MCLK,
},


/* CH0 Mono */
{
(I2S_CH0_MSSEL << I2SCLKCNT_MSSEL_OFFSET) | \
(I2S_CH0_BCLKPOL_MONO << I2SCLKCNT_BCLKPOL_OFFSET) | \
(I2S_CH0_MASTERCLKSEL << I2SCLKCNT_MASTERCLKSEL_OFFSET) | \
(I2S_CH0_LRCKFMT_MONO << I2SCLKCNT_LRCKFMT_OFFSET),

(I2S_CH0_TX_DLYOFF_MONO << I2SCNTTX_TX_DLYOFF_OFFSET) | \
(I2S_CH0_TX_LSB_MONO << I2SCNTTX_TX_LSB_OFFSET) | \
(ioh_lrpol_no_invert << I2SCNTTX_TX_LRPOL_OFFSET) | \
(ioh_aft_front << I2SCNTTX_TX_AFT_OFFSET),

(I2S_CH0_RX_DLYOFF_MONO << I2SCNTRX_RX_DLYOFF_OFFSET) | \
(I2S_CH0_RX_LSB_MONO << I2SCNTRX_RX_LSB_OFFSET) | \
(ioh_lrpol_no_invert << I2SCNTRX_RX_LRPOL_OFFSET) | \
(ioh_aft_front << I2SCNTRX_RX_AFT_OFFSET),

I2S_CH0_MCLK,
},
/* CH1 Mono */
{
(I2S_CH1_MSSEL << I2SCLKCNT_MSSEL_OFFSET) | \
(I2S_CH1_BCLKPOL_MONO << I2SCLKCNT_BCLKPOL_OFFSET) | \
(I2S_CH1_MASTERCLKSEL << I2SCLKCNT_MASTERCLKSEL_OFFSET) | \
(I2S_CH1_LRCKFMT_MONO << I2SCLKCNT_LRCKFMT_OFFSET),

(I2S_CH1_TX_DLYOFF_MONO << I2SCNTTX_TX_DLYOFF_OFFSET) | \
(I2S_CH1_TX_LSB_MONO << I2SCNTTX_TX_LSB_OFFSET) | \
(ioh_lrpol_no_invert << I2SCNTTX_TX_LRPOL_OFFSET) | \
(ioh_aft_front << I2SCNTTX_TX_AFT_OFFSET),

(I2S_CH1_RX_DLYOFF_MONO << I2SCNTRX_RX_DLYOFF_OFFSET) | \
(I2S_CH1_RX_LSB_MONO << I2SCNTRX_RX_LSB_OFFSET) | \
(ioh_lrpol_no_invert << I2SCNTRX_RX_LRPOL_OFFSET) | \
(ioh_aft_front << I2SCNTRX_RX_AFT_OFFSET),

I2S_CH1_MCLK,
},
/* CH2 Mono */
{
(I2S_CH2_MSSEL << I2SCLKCNT_MSSEL_OFFSET) | \
(I2S_CH2_BCLKPOL_MONO << I2SCLKCNT_BCLKPOL_OFFSET) | \
(I2S_CH2_MASTERCLKSEL << I2SCLKCNT_MASTERCLKSEL_OFFSET) | \
(I2S_CH2_LRCKFMT_MONO << I2SCLKCNT_LRCKFMT_OFFSET),

(I2S_CH2_TX_DLYOFF_MONO << I2SCNTTX_TX_DLYOFF_OFFSET) | \
(I2S_CH2_TX_LSB_MONO << I2SCNTTX_TX_LSB_OFFSET) | \
(ioh_lrpol_no_invert << I2SCNTTX_TX_LRPOL_OFFSET) | \
(ioh_aft_front << I2SCNTTX_TX_AFT_OFFSET),

(I2S_CH2_RX_DLYOFF_MONO << I2SCNTRX_RX_DLYOFF_OFFSET) | \
(I2S_CH2_RX_LSB_MONO << I2SCNTRX_RX_LSB_OFFSET) | \
(ioh_lrpol_no_invert << I2SCNTRX_RX_LRPOL_OFFSET) | \
(ioh_aft_front << I2SCNTRX_RX_AFT_OFFSET),

I2S_CH2_MCLK,
},
/* CH3 Mono */
{
(I2S_CH3_MSSEL << I2SCLKCNT_MSSEL_OFFSET) | \
(I2S_CH3_BCLKPOL_MONO << I2SCLKCNT_BCLKPOL_OFFSET) | \
(I2S_CH3_MASTERCLKSEL << I2SCLKCNT_MASTERCLKSEL_OFFSET) | \
(I2S_CH3_LRCKFMT_MONO << I2SCLKCNT_LRCKFMT_OFFSET),

(I2S_CH3_TX_DLYOFF_MONO << I2SCNTTX_TX_DLYOFF_OFFSET) | \
(I2S_CH3_TX_LSB_MONO << I2SCNTTX_TX_LSB_OFFSET) | \
(ioh_lrpol_no_invert << I2SCNTTX_TX_LRPOL_OFFSET) | \
(ioh_aft_front << I2SCNTTX_TX_AFT_OFFSET),

(I2S_CH3_RX_DLYOFF_MONO << I2SCNTRX_RX_DLYOFF_OFFSET) | \
(I2S_CH3_RX_LSB_MONO << I2SCNTRX_RX_LSB_OFFSET) | \
(ioh_lrpol_no_invert << I2SCNTRX_RX_LRPOL_OFFSET) | \
(ioh_aft_front << I2SCNTRX_RX_AFT_OFFSET),

I2S_CH3_MCLK,
},
/* CH4 Mono */
{
(I2S_CH4_MSSEL << I2SCLKCNT_MSSEL_OFFSET) | \
(I2S_CH4_BCLKPOL_MONO << I2SCLKCNT_BCLKPOL_OFFSET) | \
(I2S_CH4_MASTERCLKSEL << I2SCLKCNT_MASTERCLKSEL_OFFSET) | \
(I2S_CH4_LRCKFMT_MONO << I2SCLKCNT_LRCKFMT_OFFSET),

(I2S_CH4_TX_DLYOFF_MONO << I2SCNTTX_TX_DLYOFF_OFFSET) | \
(I2S_CH4_TX_LSB_MONO << I2SCNTTX_TX_LSB_OFFSET) | \
(ioh_lrpol_no_invert << I2SCNTTX_TX_LRPOL_OFFSET) | \
(ioh_aft_front << I2SCNTTX_TX_AFT_OFFSET),

(I2S_CH4_RX_DLYOFF_MONO << I2SCNTRX_RX_DLYOFF_OFFSET) | \
(I2S_CH4_RX_LSB_MONO << I2SCNTRX_RX_LSB_OFFSET) | \
(ioh_lrpol_no_invert << I2SCNTRX_RX_LRPOL_OFFSET) | \
(ioh_aft_front << I2SCNTRX_RX_AFT_OFFSET),

I2S_CH4_MCLK,
},
/* CH5 Mono */
{
(I2S_CH5_MSSEL << I2SCLKCNT_MSSEL_OFFSET) | \
(I2S_CH5_BCLKPOL_MONO << I2SCLKCNT_BCLKPOL_OFFSET) | \
(I2S_CH5_MASTERCLKSEL << I2SCLKCNT_MASTERCLKSEL_OFFSET) | \
(I2S_CH5_LRCKFMT_MONO << I2SCLKCNT_LRCKFMT_OFFSET),

(I2S_CH5_TX_DLYOFF_MONO << I2SCNTTX_TX_DLYOFF_OFFSET) | \
(I2S_CH5_TX_LSB_MONO << I2SCNTTX_TX_LSB_OFFSET) | \
(ioh_lrpol_no_invert << I2SCNTTX_TX_LRPOL_OFFSET) | \
(ioh_aft_front << I2SCNTTX_TX_AFT_OFFSET),

(I2S_CH5_RX_DLYOFF_MONO << I2SCNTRX_RX_DLYOFF_OFFSET) | \
(I2S_CH5_RX_LSB_MONO << I2SCNTRX_RX_LSB_OFFSET) | \
(ioh_lrpol_no_invert << I2SCNTRX_RX_LRPOL_OFFSET) | \
(ioh_aft_front << I2SCNTRX_RX_AFT_OFFSET),

I2S_CH5_MCLK,
},

};


#endif
/*
* Copyright (C) 2011 LAPIS Semiconductor Co., Ltd.
*
* 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; version 2 of the License.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307, USA.
*/
#include <linux/module.h>
#include <linux/platform_device.h>
#include <sound/core.h>
#include <sound/pcm.h>
#include <sound/soc.h>

static struct snd_soc_dai_link ioh_i2s_dai = {
.name = "I2S",
.stream_name = "I2S HiFi",
.cpu_dai_name = "ml7213ioh-i2s",
.codec_dai_name = "ml7213ioh-hifi",
.platform_name = "ml7213ioh-pcm-audio",
.codec_name = "ml26124-codec",
};

static struct snd_soc_card ioh_i2s_card = {
.name = "ml7213ioh i2s",
.dai_link = &ioh_i2s_dai,
.num_links = 1,
};

static struct platform_device *soc_pdev;

static int __init ioh_i2s_probe(struct platform_device *pdev)
{
int ret;

soc_pdev = platform_device_alloc("soc-audio", -1);
if (!soc_pdev)
return -ENOMEM;
platform_set_drvdata(soc_pdev, &ioh_i2s_card);
ret = platform_device_add(soc_pdev);
if (ret) {
platform_device_put(soc_pdev);
return ret;
}

return 0;
}

static int __exit ioh_i2s_remove(struct platform_device *pdev)
{
platform_device_unregister(soc_pdev);
return 0;
}

static struct platform_driver ioh_i2s_driver = {
.remove = ioh_i2s_remove,
.driver = {
.name = "ml7213ioh-machine",
.owner = THIS_MODULE,
},
};

static int __init ioh_i2s_init(void)
{
return platform_driver_probe(&ioh_i2s_driver,
ioh_i2s_probe);
}

static void __exit ioh_i2s_exit(void)
{
platform_driver_unregister(&ioh_i2s_driver);
}

module_init(ioh_i2s_init);
module_exit(ioh_i2s_exit);

MODULE_AUTHOR("Tomoya MORINAGA <tomoya-linux@dsn.lapis-semi.com>");
MODULE_DESCRIPTION("LAPIS Semiconductor ML7213 IOH ALSA SoC machine driver");
MODULE_LICENSE("GPL");
/*
* Copyright (C) 2011 LAPIS Semiconductor Co., Ltd.
*
* 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; version 2 of the License.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307, USA.
*/

#include <linux/module.h>
#include <linux/init.h>
#include <linux/platform_device.h>
#include <linux/scatterlist.h>
#include <linux/slab.h>
#include <sound/core.h>
#include <sound/pcm.h>
#include <sound/pcm_params.h>
#include <sound/soc.h>
#include <sound/initval.h>

#include <linux/pci.h>
#include <linux/dma-mapping.h>

#include "ioh_i2s.h"
#include "ioh_i2s_config.h"
#include "ml7213ioh-plat.h"

#define USE_PERIODS_MIN (I2S_DMA_SG_MAX)
#define USE_PERIODS_MAX (I2S_DMA_SG_MAX)
#ifndef add_capture_constraints
#define add_capture_constraints(x) 0
#endif

#define I2S_WRITE_MASTER_BIT (0)
#define I2S_READ_MASTER_BIT (8)

#define I2S_WRITE_ENABLE_BIT (0)
#define I2S_READ_ENABLE_BIT (8)

/* RW flag */
#define SND_CAPTURE_SUBSTREAM 0
#define SND_PLAYBACK_SUBSTREAM 1

/* Codec Device Address */

#define I2SCNTRX_RXTEL BIT(0)
#define I2SCNTRX_RXDABIT_8BIT 0
#define I2SCNTRX_RXDABIT_14BIT BIT(8)
#define I2SCNTRX_RXDABIT_16BIT BIT(9)
#define I2SCNTRX_RXDABIT_18BIT (BIT(8) | BIT(9))
#define I2SCNTRX_RXDABIT_20BIT BIT(10)
#define I2SCNTRX_RXDABIT_24BIT (BIT(8) | BIT(10))
#define I2SCNTRX_RXDLYOFF BIT(12)
#define I2SCNTRX_RX_LSB BIT(13)

#define I2SCNTTX_TXTEL I2SCNTRX_RXTEL
#define I2SCNTTX_TXDABIT_8BIT I2SCNTRX_RXDABIT_8BIT
#define I2SCNTTX_TXDABIT_14BIT I2SCNTRX_RXDABIT_14BIT
#define I2SCNTTX_TXDABIT_16BIT I2SCNTRX_RXDABIT_16BIT
#define I2SCNTTX_TXDABIT_18BIT I2SCNTRX_RXDABIT_18BIT
#define I2SCNTTX_TXDABIT_20BIT I2SCNTRX_RXDABIT_20BIT
#define I2SCNTTX_TXDABIT_24BIT I2SCNTRX_RXDABIT_24BIT
#define I2SCNTTX_TXDLYOFF I2SCNTRX_RXDLYOFF
#define I2SCNTTX_TX_LSB I2SCNTRX_RX_LSB

#define I2SCLKCNT_MCLKFS_64FS 0
#define I2SCLKCNT_MCLKFS_128FS BIT(8)
#define I2SCLKCNT_MCLKFS_192FS BIT(9)
#define I2SCLKCNT_MCLKFS_256FS (BIT(8) | BIT(9))
#define I2SCLKCNT_MCLKFS_384FS BIT(10)
#define I2SCLKCNT_MCLKFS_512FS (BIT(8) | BIT(10))
#define I2SCLKCNT_MCLKFS_768FS (BIT(9) | BIT(10))
#define I2SCLKCNT_MCLKFS_1024FS (BIT(8) | BIT(9) | BIT(10))

#define I2SCLKCNT_BCLKFS_8FS 0
#define I2SCLKCNT_BCLKFS_16FS BIT(12)
#define I2SCLKCNT_BCLKFS_32FS BIT(13)
#define I2SCLKCNT_BCLKFS_64FS (BIT(12) | BIT(13))

#define I2SCLKCNT_MSSEL BIT(0)
#define I2SCLKCNT_BCLKPOL BIT(1)

#define I2SCLKCNT_LRCKFMT_I2S 0
#define I2SCLKCNT_LRCKFMT_LONG BIT(5)
#define I2SCLKCNT_LRCKFMT_SHORT (BIT(4)|BIT(5))

#define DRV_NAME "ml7213_ioh_i2s"
#define PCI_VENDOR_ID_ROHM 0X10DB
#define PCI_DEVICE_ID_ML7213_I2S 0X8033

struct snd_ml7213i2s {
struct snd_card *card;
struct snd_pcm *pcm;
struct ioh_i2s_data_pci *pci_dat;
};

struct cbdata {
struct ioh_i2s_data *priv;
int stop;
int cnt;
};

struct snd_ml7213i2s_pcm {
struct snd_ml7213i2s *ml7213i2s;
spinlock_t lock;
unsigned int irq_pos;
unsigned int buf_pos;
struct snd_pcm_substream *substream;
struct cbdata cbd; /* i2s callback info */
unsigned int channels;
unsigned int rw;
unsigned int rate;
unsigned int ch;
unsigned int setup_flag;
unsigned int format;
unsigned int bclkfs;
unsigned int master_mode;
unsigned int enable_mode;
};

static struct snd_pcm_hardware snd_card_ml7213i2s_capture[MAX_I2S_CH] = {
{
.info = (SNDRV_PCM_INFO_MMAP |
SNDRV_PCM_INFO_INTERLEAVED |
SNDRV_PCM_INFO_RESUME |
SNDRV_PCM_INFO_MMAP_VALID),
.formats = SUPPORT_FORMAT,
.rates = USE_RATE_CH0,
.rate_min = USE_RATE_MIN_CH0,
.rate_max = USE_RATE_MAX_CH0,
.channels_min = USE_CHANNELS_MIN,
.channels_max = USE_CHANNELS_MAX,
.buffer_bytes_max = (MAX_PERIOD_SIZE_RX *
USE_PERIODS_MAX),
.period_bytes_min = MAX_PERIOD_SIZE_RX,
.period_bytes_max = MAX_PERIOD_SIZE_RX,
.periods_min = USE_PERIODS_MIN,
.periods_max = USE_PERIODS_MAX,
.fifo_size = 0,
},
{
.info = (SNDRV_PCM_INFO_MMAP |
SNDRV_PCM_INFO_INTERLEAVED |
SNDRV_PCM_INFO_RESUME |
SNDRV_PCM_INFO_MMAP_VALID),
.formats = SUPPORT_FORMAT,
.rates = USE_RATE_CH1,
.rate_min = USE_RATE_MIN_CH1,
.rate_max = USE_RATE_MAX_CH1,
.channels_min = USE_CHANNELS_MIN,
.channels_max = USE_CHANNELS_MAX,
.buffer_bytes_max = (MAX_PERIOD_SIZE_RX *
USE_PERIODS_MAX),
.period_bytes_min = MAX_PERIOD_SIZE_RX,
.period_bytes_max = MAX_PERIOD_SIZE_RX,
.periods_min = USE_PERIODS_MIN,
.periods_max = USE_PERIODS_MAX,
.fifo_size = 0,
},
{
.info = (SNDRV_PCM_INFO_MMAP |
SNDRV_PCM_INFO_INTERLEAVED |
SNDRV_PCM_INFO_RESUME |
SNDRV_PCM_INFO_MMAP_VALID),
.formats = SUPPORT_FORMAT,
.rates = USE_RATE_CH2,
.rate_min = USE_RATE_MIN_CH2,
.rate_max = USE_RATE_MAX_CH2,
.channels_min = USE_CHANNELS_MIN,
.channels_max = USE_CHANNELS_MAX,
.buffer_bytes_max = (MAX_PERIOD_SIZE_RX *
USE_PERIODS_MAX),
.period_bytes_min = MAX_PERIOD_SIZE_RX,
.period_bytes_max = MAX_PERIOD_SIZE_RX,
.periods_min = USE_PERIODS_MIN,
.periods_max = USE_PERIODS_MAX,
.fifo_size = 0,
},
{
.info = (SNDRV_PCM_INFO_MMAP |
SNDRV_PCM_INFO_INTERLEAVED |
SNDRV_PCM_INFO_RESUME |
SNDRV_PCM_INFO_MMAP_VALID),
.formats = SUPPORT_FORMAT,
.rates = USE_RATE_CH3,
.rate_min = USE_RATE_MIN_CH3,
.rate_max = USE_RATE_MAX_CH3,
.channels_min = USE_CHANNELS_MIN,
.channels_max = USE_CHANNELS_MAX,
.buffer_bytes_max = (MAX_PERIOD_SIZE_RX *
USE_PERIODS_MAX),
.period_bytes_min = MAX_PERIOD_SIZE_RX,
.period_bytes_max = MAX_PERIOD_SIZE_RX,
.periods_min = USE_PERIODS_MIN,
.periods_max = USE_PERIODS_MAX,
.fifo_size = 0,
},
{
.info = (SNDRV_PCM_INFO_MMAP |
SNDRV_PCM_INFO_INTERLEAVED |
SNDRV_PCM_INFO_RESUME |
SNDRV_PCM_INFO_MMAP_VALID),
.formats = SUPPORT_FORMAT,
.rates = USE_RATE_CH4,
.rate_min = USE_RATE_MIN_CH4,
.rate_max = USE_RATE_MAX_CH4,
.channels_min = USE_CHANNELS_MIN,
.channels_max = USE_CHANNELS_MAX,
.buffer_bytes_max = (MAX_PERIOD_SIZE_RX *
USE_PERIODS_MAX),
.period_bytes_min = MAX_PERIOD_SIZE_RX,
.period_bytes_max = MAX_PERIOD_SIZE_RX,
.periods_min = USE_PERIODS_MIN,
.periods_max = USE_PERIODS_MAX,
.fifo_size = 0,
},
{
.info = (SNDRV_PCM_INFO_MMAP |
SNDRV_PCM_INFO_INTERLEAVED |
SNDRV_PCM_INFO_RESUME |
SNDRV_PCM_INFO_MMAP_VALID),
.formats = SUPPORT_FORMAT,
.rates = USE_RATE_CH5,
.rate_min = USE_RATE_MIN_CH5,
.rate_max = USE_RATE_MAX_CH5,
.channels_min = USE_CHANNELS_MIN,
.channels_max = USE_CHANNELS_MAX,
.buffer_bytes_max = (MAX_PERIOD_SIZE_RX *
USE_PERIODS_MAX),
.period_bytes_min = MAX_PERIOD_SIZE_RX,
.period_bytes_max = MAX_PERIOD_SIZE_RX,
.periods_min = USE_PERIODS_MIN,
.periods_max = USE_PERIODS_MAX,
.fifo_size = 0,
},
};

static struct snd_pcm_hardware snd_card_ml7213i2s_playback[MAX_I2S_CH] = {
{
.info = (SNDRV_PCM_INFO_MMAP |
SNDRV_PCM_INFO_INTERLEAVED |
SNDRV_PCM_INFO_RESUME |
SNDRV_PCM_INFO_MMAP_VALID),
.formats = SUPPORT_FORMAT,
.rates = USE_RATE_CH0,
.rate_min = USE_RATE_MIN_CH0,
.rate_max = USE_RATE_MAX_CH0,
.channels_min = USE_CHANNELS_MIN,
.channels_max = USE_CHANNELS_MAX,
.buffer_bytes_max = (MAX_PERIOD_SIZE_TX *
USE_PERIODS_MAX),
.period_bytes_min = MAX_PERIOD_SIZE_TX,
.period_bytes_max = MAX_PERIOD_SIZE_TX,
.periods_min = USE_PERIODS_MIN,
.periods_max = USE_PERIODS_MAX,
.fifo_size = 0,
},
{
.info = (SNDRV_PCM_INFO_MMAP |
SNDRV_PCM_INFO_INTERLEAVED |
SNDRV_PCM_INFO_RESUME |
SNDRV_PCM_INFO_MMAP_VALID),
.formats = SUPPORT_FORMAT,
.rates = USE_RATE_CH1,
.rate_min = USE_RATE_MIN_CH1,
.rate_max = USE_RATE_MAX_CH1,
.channels_min = USE_CHANNELS_MIN,
.channels_max = USE_CHANNELS_MAX,
.buffer_bytes_max = (MAX_PERIOD_SIZE_TX *
USE_PERIODS_MAX),
.period_bytes_min = MAX_PERIOD_SIZE_TX,
.period_bytes_max = MAX_PERIOD_SIZE_TX,
.periods_min = USE_PERIODS_MIN,
.periods_max = USE_PERIODS_MAX,
.fifo_size = 0,
},
{
.info = (SNDRV_PCM_INFO_MMAP |
SNDRV_PCM_INFO_INTERLEAVED |
SNDRV_PCM_INFO_RESUME |
SNDRV_PCM_INFO_MMAP_VALID),
.formats = SUPPORT_FORMAT,
.rates = USE_RATE_CH2,
.rate_min = USE_RATE_MIN_CH2,
.rate_max = USE_RATE_MAX_CH2,
.channels_min = USE_CHANNELS_MIN,
.channels_max = USE_CHANNELS_MAX,
.buffer_bytes_max = (MAX_PERIOD_SIZE_TX *
USE_PERIODS_MAX),
.period_bytes_min = MAX_PERIOD_SIZE_TX,
.period_bytes_max = MAX_PERIOD_SIZE_TX,
.periods_min = USE_PERIODS_MIN,
.periods_max = USE_PERIODS_MAX,
.fifo_size = 0,
},
{
.info = (SNDRV_PCM_INFO_MMAP |
SNDRV_PCM_INFO_INTERLEAVED |
SNDRV_PCM_INFO_RESUME |
SNDRV_PCM_INFO_MMAP_VALID),
.formats = SUPPORT_FORMAT,
.rates = USE_RATE_CH3,
.rate_min = USE_RATE_MIN_CH3,
.rate_max = USE_RATE_MAX_CH3,
.channels_min = USE_CHANNELS_MIN,
.channels_max = USE_CHANNELS_MAX,
.buffer_bytes_max = (MAX_PERIOD_SIZE_TX *
USE_PERIODS_MAX),
.period_bytes_min = MAX_PERIOD_SIZE_TX,
.period_bytes_max = MAX_PERIOD_SIZE_TX,
.periods_min = USE_PERIODS_MIN,
.periods_max = USE_PERIODS_MAX,
.fifo_size = 0,
},
{
.info = (SNDRV_PCM_INFO_MMAP |
SNDRV_PCM_INFO_INTERLEAVED |
SNDRV_PCM_INFO_RESUME |
SNDRV_PCM_INFO_MMAP_VALID),
.formats = SUPPORT_FORMAT,
.rates = USE_RATE_CH4,
.rate_min = USE_RATE_MIN_CH4,
.rate_max = USE_RATE_MAX_CH4,
.channels_min = USE_CHANNELS_MIN,
.channels_max = USE_CHANNELS_MAX,
.buffer_bytes_max = (MAX_PERIOD_SIZE_TX *
USE_PERIODS_MAX),
.period_bytes_min = MAX_PERIOD_SIZE_TX,
.period_bytes_max = MAX_PERIOD_SIZE_TX,
.periods_min = USE_PERIODS_MIN,
.periods_max = USE_PERIODS_MAX,
.fifo_size = 0,
},
{
.info = (SNDRV_PCM_INFO_MMAP |
SNDRV_PCM_INFO_INTERLEAVED |
SNDRV_PCM_INFO_RESUME |
SNDRV_PCM_INFO_MMAP_VALID),
.formats = SUPPORT_FORMAT,
.rates = USE_RATE_CH5,
.rate_min = USE_RATE_MIN_CH5,
.rate_max = USE_RATE_MAX_CH5,
.channels_min = USE_CHANNELS_MIN,
.channels_max = USE_CHANNELS_MAX,
.buffer_bytes_max = (MAX_PERIOD_SIZE_TX *
USE_PERIODS_MAX),
.period_bytes_min = MAX_PERIOD_SIZE_TX,
.period_bytes_max = MAX_PERIOD_SIZE_TX,
.periods_min = USE_PERIODS_MIN,
.periods_max = USE_PERIODS_MAX,
.fifo_size = 0,
},
};

static int ignore_overrun = 1;
static int index = SNDRV_DEFAULT_IDX1; /* Index 0-MAX */
module_param(ignore_overrun, int, 0444);
module_param(index, int, 0444);
MODULE_PARM_DESC(ignore_overrun, "ignore RX overruns (default=0)");
MODULE_PARM_DESC(index, "Index value for ML7213 IOH I2S Controller Reference");

/*****************************************************************************
* I2S HAL (Hardware Abstruction Layer)
*****************************************************************************/
static void ioh_i2s_reset(struct ioh_i2s_data *priv)
{
int channel = priv->ch;

iowrite32(1 << channel, priv->iobase + I2SSRST_OFFSET);
iowrite32(0, priv->iobase + I2SSRST_OFFSET);
}

static void ioh_i2s_enable_interrupts(struct ioh_i2s_data *priv,
enum dma_data_direction dir)
{
int channel = priv->ch;
unsigned int intr_lines;

if (dir)
intr_lines = 1 << (I2S_IMASK_RX_BIT_START + channel);

else
intr_lines = 1 << (I2S_IMASK_TX_BIT_START + channel);

/*enable interrupts for specified channel */
iowrite32(intr_lines, priv->iobase + I2SIMASKCLR_OFFSET);
}

static void ioh_i2s_disable_interrupts(struct ioh_i2s_data *priv,
enum dma_data_direction dir)
{
int channel = priv->ch;
unsigned int intr_lines;

/*intr_lines&=I2S_ALL_INTERRUPT_BITS; */
intr_lines = ioread32(priv->iobase + I2SIMASK_OFFSET);

/*disable interrupts for specified channel */
if (dir)
intr_lines |= 1 << (I2S_IMASK_RX_BIT_START + channel);
else
intr_lines |= 1 << (I2S_IMASK_TX_BIT_START + channel);

/*Mask the specific interrupt bits */
iowrite32(intr_lines, priv->iobase + I2SIMASK_OFFSET);
}

/* Run FIFO */
static void ioh_i2s_run_tx_fifo(struct ioh_i2s_data *priv)
{
int ch = priv->ch;
int offset = ch * 0x800;
u32 val;

val = ioread32(priv->iobase + I2SFIFOCTX_OFFSET + offset);
val |= I2S_FIFO_TX_RUN;

iowrite32(val, priv->iobase + I2SFIFOCTX_OFFSET + offset);
}

/* Clear TX FIFO */
static void ioh_i2s_clear_tx_fifo(struct ioh_i2s_data *priv)
{
int ch = priv->ch;
int offset = ch * 0x800;
u32 val;

val = ioread32(priv->iobase + I2SFIFOCTX_OFFSET + offset);
val |= I2S_FIFO_TX_FCLR;

iowrite32(val, priv->iobase + I2SFIFOCTX_OFFSET + offset);
}

/* Clear interrupt status */
static void ioh_i2s_clear_tx_sts_ir(struct ioh_i2s_data *priv)
{
int ch = priv->ch;
int offset = ch * 0x800;

iowrite32(I2S_TX_FINT | I2S_TX_AFINT | I2S_TX_EINT | I2S_TX_AEINT,
priv->iobase + I2SISTTX_OFFSET + offset);
}

/* Run FIFO */
static void ioh_i2s_run_rx_fifo(struct ioh_i2s_data *priv)
{
int ch = priv->ch;
int offset = ch * 0x800;
u32 val;

val = ioread32(priv->iobase + I2SFIFOCRX_OFFSET + offset);
val |= I2S_FIFO_RX_RUN;
iowrite32(val, priv->iobase + I2SFIFOCRX_OFFSET + offset);
}

/* Clear RX FIFO */
static void ioh_i2s_clear_rx_fifo(struct ioh_i2s_data *priv)
{
int ch = priv->ch;
int offset = ch * 0x800;
u32 val;

val = ioread32(priv->iobase + I2SFIFOCRX_OFFSET + offset);
val |= I2S_FIFO_RX_FCLR;
iowrite32(val, priv->iobase + I2SFIFOCRX_OFFSET + offset);
}

/* Clear interrupt status */
static void ioh_i2s_clear_rx_sts_ir(struct ioh_i2s_data *priv)
{
int ch = priv->ch;
int offset = ch * 0x800;

iowrite32(I2S_RX_FINT | I2S_RX_AFINT | I2S_RX_EINT | I2S_RX_AEINT,
priv->iobase + I2SISTRX_OFFSET + offset);
}

/* Clear DMA mask setting */
static void ioh_i2s_tx_clear_dma_mask(struct ioh_i2s_data *priv)
{
int ch = priv->ch;
int offset = ch * 0x800;
u32 val;

val = ioread32(priv->iobase + I2SMSKTX_OFFSET + offset);
val &= ~TX_BIT_DMAMSK; /* Enable Tx DMA Request */

iowrite32(val, priv->iobase + I2SMSKTX_OFFSET + offset);
}

/* Clear DMA mask setting */
static void ioh_i2s_rx_clear_dma_mask(struct ioh_i2s_data *priv)
{
int ch = priv->ch;
int offset = ch * 0x800;
u32 val;

val = ioread32(priv->iobase + I2SMSKRX_OFFSET + offset);
val &= ~RX_BIT_DMAMSK; /* Enable Rx DMA Request */
iowrite32(val, priv->iobase + I2SMSKRX_OFFSET + offset);
}

/* Clear the mask setting of the corresponding interrupt source bit */
static void ioh_i2s_enable_tx_empty_ir(struct ioh_i2s_data *priv)
{
int ch = priv->ch;
int offset = ch * 0x800;
u32 val;

val = ioread32(priv->iobase + I2SMSKTX_OFFSET + offset);
val &= ~TX_BIT_AEIMSK; /* Enable Almost empty interrupt */
val &= ~TX_BIT_EIMSK; /* Enable Empty interrupt */

iowrite32(val, priv->iobase + I2SMSKTX_OFFSET + offset);
}

/* Clear the mask setting of the corresponding interrupt source bit */
static void ioh_i2s_enable_rx_full_ir(struct ioh_i2s_data *priv)
{
int ch = priv->ch;
int offset = ch * 0x800;
u32 val;
val = ioread32(priv->iobase + I2SMSKRX_OFFSET + offset);

val &= ~RX_BIT_AFIMSK; /* Enable Almost empty interrupt */
val &= ~RX_BIT_FIMSK; /* Enable Empty interrupt */

iowrite32(val, priv->iobase + I2SMSKRX_OFFSET + offset);
}

static void ioh_i2s_disable_tx_empty_ir(struct ioh_i2s_data *priv)
{
int ch = priv->ch;
int offset = ch * 0x800;
u32 val;

val = ioread32(priv->iobase + I2SMSKTX_OFFSET + offset);
val |= TX_BIT_AEIMSK; /* Disble Almost empty interrupt */
val |= TX_BIT_EIMSK; /* Disble Empty interrupt */

iowrite32(val, priv->iobase + I2SMSKTX_OFFSET + offset);
}

static void ioh_i2s_disable_rx_full_ir(struct ioh_i2s_data *priv)
{
int ch = priv->ch;
int offset = ch * 0x800;
u32 val;

val = ioread32(priv->iobase + I2SMSKRX_OFFSET + offset);
val |= RX_BIT_AFIMSK; /* Disble Almost full interrupt */
val |= RX_BIT_FIMSK; /* Disble full interrupt */

iowrite32(val, priv->iobase + I2SMSKRX_OFFSET + offset);
}

/*****************************************************************************
* I2S Middle ware
*****************************************************************************/
static bool filter(struct dma_chan *chan, void *slave)
{
struct pch_dma_slave *param = slave;

if ((chan->chan_id == param->chan_id) && (param->dma_dev ==
chan->device->dev)) {
chan->private = param;
return true;
} else {
return false;
}
}

static struct dma_chan *ioh_request_dma_channel_common(
struct ioh_i2s_data *priv,
char *chan_name,
enum dma_data_direction dir)
{
dma_cap_mask_t mask;
struct dma_chan *chan;
struct pci_dev *dma_dev;

dma_cap_zero(mask);
dma_cap_set(DMA_SLAVE, mask);

dma_dev = pci_get_bus_and_slot(2, PCI_DEVFN(0, 1)); /* Get DMA's dev
information */

if (dir == DMA_FROM_DEVICE) { /* Rx */
priv->param_rx.width = priv->dma_rx_width;
priv->param_rx.dma_dev = &dma_dev->dev;
priv->param_rx.chan_id = priv->ch * 2 + 1; /* ch Rx=1,3,...11 */
priv->param_rx.rx_reg = (dma_addr_t)(priv->mapbase +\
priv->ch * 0x800 +\
I2SDRRXMIRROR_OFFSET);
chan = dma_request_channel(mask, filter, &priv->param_rx);
if (chan == NULL) {
dev_err(priv->dev, "Failed dma_request_channel %s for"
" I2S %s\n", chan_name, priv->rx_name);
return NULL;
}
priv->chan_rx = chan;

} else if (dir == DMA_TO_DEVICE) { /* Tx */
priv->param_tx.width = priv->dma_tx_width;
priv->param_tx.dma_dev = &dma_dev->dev;
priv->param_tx.chan_id = priv->ch * 2; /* DMA ch Tx=0,2,...10 */

priv->param_tx.tx_reg = (dma_addr_t)(priv->mapbase +\
priv->ch * 0x800 +\
I2SDRTXMIRROR_OFFSET);

priv->param_tx.tx_reg_list = NULL;

chan = dma_request_channel(mask, filter, &priv->param_tx);
if (chan == NULL) {
dev_err(priv->dev, "Failed dma_request_channel %s for"
" I2S %s\n", chan_name, priv->tx_name);
return NULL;
}
priv->chan_tx = chan;
} else {
dev_err(priv->dev, "%s:Invalid direction (%d)\n",
chan_name, dir);
return NULL;
}

return chan;
}

static void ioh_setup_rx_dma(struct ioh_i2s_data *priv)
{
ioh_request_dma_channel_common(
priv,
priv->dma_config->rx_chan,
DMA_FROM_DEVICE);
}

static void ioh_setup_tx_dma(struct ioh_i2s_data *priv)
{
ioh_request_dma_channel_common(
priv,
priv->dma_config->tx_chan,
DMA_TO_DEVICE);
}

static void ioh_i2s_ignore_rx_overrun(struct ioh_i2s_data *priv)
{
priv->ignore_rx_overrun = 1;
}

static void ioh_i2s_write(struct ioh_i2s_data *priv,
const void *data,
int len)
{
int rem1;
int rem2;
int tx_index;
struct scatterlist *sg = priv->sg_tx_p;
int t_num = 0;
int l;
int *ptr_fmt;
int *ptr32;
short *ptr16;
char *ptr8;

if (priv->tx_avail >= INTER_BUFF_SIZE) {
dev_err(priv->dev, "%s[%d]: internal buffer full\n",
__func__, priv->ch);
return;
}

dev_dbg(priv->dev, "%s: [ch%d] len=%d data_head=%p data_complete=%p",
__func__, priv->ch, len, priv->tx_data_head, priv->tx_complete);

if ((priv->tx_data_head + ((len/priv->dma_tx_unit)*4)) <=
priv->tx_tail) {
tx_index = (int)(priv->tx_data_head - priv->tx_head) /
(I2S_AEMPTY_THRESH * 4);
sg = sg + tx_index;
t_num = len/(I2S_AEMPTY_THRESH * priv->dma_tx_unit);
dma_sync_sg_for_cpu(priv->dev, sg, t_num, DMA_TO_DEVICE);

ptr_fmt = (int *)priv->tx_data_head;
switch (priv->dma_tx_unit) {
case 1:
ptr8 = (char *)data;
for (l = 0; l < (len/priv->dma_tx_unit); l++)
*ptr_fmt++ = (int)*ptr8++;
break;
case 2:
ptr16 = (short *)data;
for (l = 0; l < (len/priv->dma_tx_unit); l++)
*ptr_fmt++ = (int)*ptr16++;
break;
case 4:
ptr32 = (int *)data;
for (l = 0; l < (len/priv->dma_tx_unit); l++)
*ptr_fmt++ = *ptr32++;
break;
}
dma_sync_sg_for_device(priv->dev, sg, t_num, DMA_TO_DEVICE);
priv->tx_data_head += (len/priv->dma_tx_unit)*4;
} else {
rem1 = (priv->tx_tail - priv->tx_data_head)/4;
rem2 = (len/priv->dma_tx_unit) - rem1;
tx_index = (int)(priv->tx_data_head-priv->tx_head) /
(I2S_AEMPTY_THRESH * 4);
sg = sg + tx_index;
t_num = rem1/I2S_AEMPTY_THRESH;
dma_sync_sg_for_cpu(priv->dev, sg, t_num, DMA_TO_DEVICE);
ptr_fmt = (int *)priv->tx_data_head;
switch (priv->dma_tx_unit) {
case 1:
ptr8 = (char *)data;
for (l = 0; l < rem1; l++)
*ptr_fmt++ = (int)*ptr8++;
break;
case 2:
ptr16 = (short *)data;
for (l = 0; l < rem1; l++)
*ptr_fmt++ = (int)*ptr16++;
break;
case 4:
ptr32 = (int *)data;
for (l = 0; l < rem1; l++)
*ptr_fmt++ = *ptr32++;
break;
}

dma_sync_sg_for_device(priv->dev, sg, t_num, DMA_TO_DEVICE);
priv->tx_data_head = priv->tx_head;
sg = priv->sg_tx_p;
t_num = rem2/I2S_AEMPTY_THRESH;
dma_sync_sg_for_cpu(priv->dev, sg, t_num, DMA_TO_DEVICE);

ptr_fmt = (int *)priv->tx_data_head;

switch (priv->dma_tx_unit) {
case 1:
ptr8 = (char *)(data+rem1*priv->dma_tx_unit);
for (l = 0; l < rem2; l++)
*ptr_fmt++ = (int)*ptr8++;
break;
case 2:
ptr16 = (short *)(data+rem1*priv->dma_tx_unit);
for (l = 0; l < rem2; l++)
*ptr_fmt++ = (int)*ptr16++;
break;
case 4:
ptr32 = (int *)(data+rem1*priv->dma_tx_unit);
for (l = 0; l < rem2; l++)
*ptr_fmt++ = *ptr32++;
break;
}

dma_sync_sg_for_device(priv->dev, sg, t_num, DMA_TO_DEVICE);
priv->tx_data_head += rem2*4;
}

if (priv->tx_data_head >= priv->tx_tail)
priv->tx_data_head = priv->tx_head;

dev_dbg(priv->dev, "-->data_head=%p\n", priv->tx_data_head);

priv->tx_avail += (len/priv->dma_tx_unit)*4;
}

static void ioh_i2s_stop_i2s_regs(struct ioh_i2s_data *priv,
unsigned long bitrate,
struct ioh_i2s_config_reg *config,
enum ioh_direction dir,
unsigned int flag)
{
int ch = priv->ch;

if (dir) {
/* Interrupt stop */
ioh_i2s_disable_rx_full_ir(priv);

/* FIFO setting */
ioh_i2s_clear_rx_fifo(priv);
ioh_i2s_clear_rx_sts_ir(priv);
} else {
/* Interrupt stop */
ioh_i2s_disable_tx_empty_ir(priv);

/* FIFO setting */
ioh_i2s_clear_tx_fifo(priv);
ioh_i2s_clear_tx_sts_ir(priv);
}

/* Common register */
if (!flag) {
iowrite32(config->cmn.i2sclkcnt,
priv->iobase + I2SCLKCNT0_OFFSET + 0x10*ch);
}
}

static void ioh_i2s_configure_i2s_regs(struct ioh_i2s_data *priv,
unsigned long bitrate,
struct ioh_i2s_config_reg *config,
enum ioh_direction dir,
unsigned int unit)
{
int ch = priv->ch;
int offset = ch * 0x800;

/* Common register */
iowrite32(config->cmn.i2sclkcnt,
priv->iobase + I2SCLKCNT0_OFFSET + 0x10*ch);

if (dir) {
priv->dma_rx_unit = unit;
/* Rx register */
iowrite32(config->rx.i2scntrx,
priv->iobase + I2SCNTRX_OFFSET + offset);
iowrite32(config->rx.i2sfifocrx,
priv->iobase + I2SFIFOCRX_OFFSET + offset);
iowrite32(config->rx.i2safrx,
priv->iobase + I2SAFRX_OFFSET + offset);
iowrite32(config->rx.i2saerx,
priv->iobase + I2SAERX_OFFSET + offset);
iowrite32(config->rx.i2smskrx,
priv->iobase + I2SMSKRX_OFFSET + offset);
iowrite32(config->rx.i2sistrx,
priv->iobase + I2SISTRX_OFFSET + offset);

/* FIFO setting */
ioh_i2s_clear_rx_fifo(priv);
ioh_i2s_run_rx_fifo(priv);

/* Interrupt setting */
ioh_i2s_clear_rx_sts_ir(priv);
ioh_i2s_enable_rx_full_ir(priv);

} else {
priv->dma_tx_unit = unit;
/* Tx register */
iowrite32(config->tx.i2scnttx,
priv->iobase + I2SCNTTX_OFFSET + offset);
iowrite32(config->tx.i2sfifoctx,
priv->iobase + I2SFIFOCTX_OFFSET + offset);
iowrite32(config->tx.i2saftx,
priv->iobase + I2SAFTX_OFFSET + offset);
iowrite32(config->tx.i2saetx,
priv->iobase + I2SAETX_OFFSET + offset);
iowrite32(config->tx.i2smsktx,
priv->iobase + I2SMSKTX_OFFSET + offset);
iowrite32(config->tx.i2sisttx,
priv->iobase + I2SISTTX_OFFSET + offset);

/* FIFO setting */
ioh_i2s_clear_tx_fifo(priv);
ioh_i2s_run_tx_fifo(priv);

/* Interrupt setting */
ioh_i2s_clear_tx_sts_ir(priv);
ioh_i2s_enable_tx_empty_ir(priv);
}
}

static void i2s_rx_tasklet(unsigned long data)
{
struct ioh_i2s_data *priv = (struct ioh_i2s_data *)data;
int num = 0;

if (priv->rxexe_flag) {
if (priv->rx_done) {
switch (priv->dma_rx_unit) {
case 1:
num = priv->rx_avail/4;
break;
case 2:
num = priv->rx_avail/2;
break;
case 4:
num = priv->rx_avail;
break;
}
priv->rx_done(priv->rx_callback_data,
IOH_EOK, num, num);
}
}
}

static void i2s_tx_tasklet(unsigned long data)
{
struct ioh_i2s_data *priv = (struct ioh_i2s_data *)data;
int num = 0;
int avail = 0;

if (priv->txexe_flag) {
if (priv->tx_done) {
switch (priv->dma_tx_unit) {
case 1:
num = (INTER_BUFF_SIZE - priv->tx_avail)/4;
avail = priv->tx_avail/4;
break;
case 2:
num = (INTER_BUFF_SIZE - priv->tx_avail)/2;
avail = priv->tx_avail/2;
break;
case 4:
num = (INTER_BUFF_SIZE - priv->tx_avail);
avail = priv->tx_avail;
break;
}
priv->tx_done(priv->tx_callback_data,
IOH_EOK, num, avail);
}
}
}

static void ioh_i2s_release(struct ioh_i2s_data *priv, enum ioh_direction dir)
{
if (!priv) {
dev_err(priv->dev, "%s: i2s is NULL\n", __func__);
return;
}

if (dir) {
dma_sync_sg_for_cpu(priv->dev, priv->sg_rx_p, priv->rx_nent,
DMA_FROM_DEVICE);

ioh_i2s_disable_interrupts(priv, IOH_CAPTURE);
ioh_i2s_disable_rx_full_ir(priv);
if (priv->chan_rx) {
priv->chan_rx->device->device_control(priv->chan_rx,
DMA_TERMINATE_ALL,
0);
dma_release_channel(priv->chan_rx);
priv->chan_rx = NULL;
}

kfree(priv->sg_rx_p);
if (priv->rxbuf_virt)
dma_free_coherent(priv->dev, INTER_BUFF_SIZE,
priv->rxbuf_virt,
priv->rx_buf_dma);

priv->rxbuf_virt = NULL;
priv->rx_buf_dma = 0;
atomic_dec(&priv->rx_busy);

tasklet_disable(&priv->rx_tasklet);
tasklet_kill(&priv->rx_tasklet);

} else {
dma_sync_sg_for_cpu(priv->dev, priv->sg_tx_p, priv->tx_nent,
DMA_TO_DEVICE);

ioh_i2s_disable_interrupts(priv, IOH_PLAYBACK);
ioh_i2s_disable_tx_empty_ir(priv);
if (priv->chan_tx) {
priv->chan_tx->device->device_control(priv->chan_tx,
DMA_TERMINATE_ALL,
0);
dma_release_channel(priv->chan_tx);
priv->chan_tx = NULL;
}

kfree(priv->sg_tx_p);
if (priv->txbuf_virt)
dma_free_coherent(priv->dev, INTER_BUFF_SIZE,
priv->txbuf_virt,
priv->tx_buf_dma);

priv->txbuf_virt = NULL;
priv->tx_buf_dma = 0;
atomic_dec(&priv->tx_busy);

tasklet_disable(&priv->tx_tasklet);
tasklet_kill(&priv->tx_tasklet);
}
}

static struct ioh_i2s_data *ioh_i2s_open(int ch, enum ioh_direction dir,
const char *name, void *cbd,
void (*cb)(void *cbd, int status,
int num, int avail))
{
struct ioh_i2s_data *obj = NULL;
struct scatterlist *sg;
int rx_size;
int rx_num;
int tx_size;
int tx_num;
int i;

if (ch >= MAX_I2S_IF) {
dev_err(obj->dev,
"Tried to open i2s with number %d which is more then"
" the available number\n", ch);
return 0;
}

obj = kzalloc(sizeof(*obj), GFP_KERNEL);

obj->ignore_rx_overrun = 0;

obj->dma_tx_width = PCH_DMA_WIDTH_4_BYTES;
obj->dma_rx_width = PCH_DMA_WIDTH_4_BYTES;

obj->ch = ch;
obj->dev = obj->dev;

atomic_set(&obj->rx_busy, 0);
atomic_set(&obj->tx_busy, 0);
strcpy(obj->rx_name, "FREE");
strcpy(obj->tx_name, "FREE");

if (dir) {
/* Rx configuration */
if (atomic_read(&obj->rx_busy)) {
dev_err(obj->dev, "rx i2s%d have already opened\n", ch);
atomic_dec(&obj->rx_busy);
return 0;
}
atomic_inc(&obj->rx_busy);

strcpy(obj->rx_name, name);
ioh_setup_rx_dma(obj);
if (!obj->chan_rx) {
dev_err(obj->dev, "%s:ioh_setup_rx_dma failed\n",
__func__);
return NULL;
}

obj->rxbuf_virt = dma_alloc_coherent(obj->dev, INTER_BUFF_SIZE,
&obj->rx_buf_dma, GFP_KERNEL);
if (!obj->rxbuf_virt) {
dev_err(obj->dev, "dma_alloc_coherent Failed\n");
return NULL;
}

rx_size = I2S_AFULL_THRESH * 4;
/* The number of scatter list (Franction area is not used) */
rx_num = INTER_BUFF_SIZE / rx_size;

dev_dbg(obj->dev, "%s: rx: scatter_num=%d scatter_size=%d\n",
__func__, rx_num, rx_size);

obj->sg_rx_p =\
kzalloc(sizeof(struct scatterlist) *rx_num, GFP_ATOMIC);

sg = obj->sg_rx_p;
sg_init_table(sg, rx_num); /* Initialize SG table */

for (i = 0; i < rx_num; i++, sg++) {
sg_set_page(sg, virt_to_page(obj->rxbuf_virt), rx_size,
rx_size * i);
sg_dma_len(sg) = rx_size / 4;
sg_dma_address(sg) = obj->rx_buf_dma + sg->offset;
}

obj->rx_head = (unsigned char *)obj->rxbuf_virt;
obj->rx_tail = (unsigned char *)obj->rxbuf_virt +
rx_num * rx_size;
obj->rx_data_head = (unsigned char *)obj->rxbuf_virt;
obj->rx_complete = (unsigned char *)obj->rxbuf_virt;
obj->rx_avail = 0;

obj->rx_nent = rx_num;
dma_sync_sg_for_device(obj->dev, obj->sg_rx_p, obj->rx_nent,
DMA_FROM_DEVICE);

tasklet_init(&obj->rx_tasklet, i2s_rx_tasklet,
(unsigned long)obj);
} else {
/* Tx configuration */
if (atomic_read(&obj->tx_busy)) {
dev_err(obj->dev, "tx i2s%d have already opened\n", ch);
atomic_dec(&obj->tx_busy);
return 0;
}
atomic_inc(&obj->tx_busy);

strcpy(obj->tx_name, name);
ioh_setup_tx_dma(obj);
if (!obj->chan_tx) {
dev_err(obj->dev, "%s:ioh_setup_tx_dma failed\n",
__func__);
return NULL;
}

tx_size = I2S_AEMPTY_THRESH * 4;
if (INTER_BUFF_SIZE % tx_size)
/* tx_num = The number of scatter list */
tx_num = INTER_BUFF_SIZE / tx_size + 1;
else
tx_num = INTER_BUFF_SIZE / tx_size;

obj->txbuf_virt = dma_alloc_coherent(obj->dev, INTER_BUFF_SIZE,
&obj->tx_buf_dma, GFP_KERNEL);

if (!obj->txbuf_virt) {
dev_err(obj->dev, "dma_alloc_coherent Failed\n");
return NULL;
}

obj->tx_head = (unsigned char *)obj->txbuf_virt;
obj->tx_tail = (unsigned char *)obj->txbuf_virt +
INTER_BUFF_SIZE;
obj->tx_data_head = (unsigned char *)obj->txbuf_virt;
obj->tx_complete = (unsigned char *)obj->txbuf_virt;
obj->tx_avail = 0;

dev_dbg(obj->dev, "%s: tx: scatter_num=%d scatter_size=%d\n",
__func__, tx_num, tx_size);

obj->sg_tx_p =\
kzalloc(sizeof(struct scatterlist) *tx_num, GFP_ATOMIC);

sg_init_table(obj->sg_tx_p, tx_num); /* Initialize SG table */
sg = obj->sg_tx_p;

for (i = 0; i < tx_num; i++, sg++) {
if (i == (tx_num - 1)) {
if (INTER_BUFF_SIZE % tx_size) {
sg_set_page(sg,
virt_to_page(obj->txbuf_virt),
INTER_BUFF_SIZE % tx_size,
tx_size * i);
sg_dma_len(sg) =
(INTER_BUFF_SIZE % tx_size)
/ 4;
} else {
sg_set_page(sg,
virt_to_page(obj->txbuf_virt),
tx_size, tx_size * i);
sg_dma_len(sg) = tx_size\
/ 4;
}
} else {
sg_set_page(sg, virt_to_page(obj->txbuf_virt),
tx_size, tx_size * i);
sg_dma_len(sg) = tx_size / 4;
}
sg_dma_address(sg) = obj->tx_buf_dma + sg->offset;
}
obj->tx_nent = tx_num;
dma_sync_sg_for_device(obj->dev, obj->sg_tx_p, obj->tx_nent,
DMA_TO_DEVICE);

tasklet_init(&obj->tx_tasklet, i2s_tx_tasklet,
(unsigned long)obj);
}

return obj;
}

static void ioh_i2s_read(struct ioh_i2s_data *priv,
void *data,
int len)
{
unsigned int rem1 = 0, rem2 = 0;
struct scatterlist *sg = priv->sg_rx_p;
int rx_index;
int t_num = 0;
int *ptr_fmt;
int *ptr32;
short *ptr16;
char *ptr8;
int l;

switch (priv->dma_rx_unit) {
case 1:
t_num = priv->rx_avail/4;
break;
case 2:
t_num = priv->rx_avail/2;
break;
case 4:
t_num = priv->rx_avail;
break;
}

if (t_num < len) {
dev_err(priv->dev, "%s[%d]: internal buffer empty\n",
__func__, priv->ch);
return;
}

if ((priv->rx_complete + ((len/priv->dma_rx_unit)*4)) <=
priv->rx_tail) {
rx_index = (int)(priv->rx_complete - priv->rx_head) /
(I2S_AFULL_THRESH * 4);
sg = sg + rx_index;
t_num = len/(I2S_AFULL_THRESH * priv->dma_rx_unit);
dma_sync_sg_for_cpu(priv->dev, sg, t_num, DMA_FROM_DEVICE);

ptr_fmt = (int *)priv->rx_complete;
switch (priv->dma_rx_unit) {
case 1:
ptr8 = (char *)data;
for (l = 0; l < (len/priv->dma_rx_unit); l++)
*ptr8++ = (char)*ptr_fmt++;
break;
case 2:
ptr16 = (short *)data;
for (l = 0; l < (len/priv->dma_rx_unit); l++)
*ptr16++ = (short)*ptr_fmt++;
break;
case 4:
ptr32 = (int *)data;
for (l = 0; l < (len/priv->dma_rx_unit); l++)
*ptr32++ = *ptr_fmt++;
break;
}
dma_sync_sg_for_device(priv->dev, sg, t_num, DMA_FROM_DEVICE);
priv->rx_complete += (len/priv->dma_rx_unit)*4;
} else {
rem1 = (priv->rx_tail - priv->rx_complete)/4;
rem2 = (len/priv->dma_rx_unit) - rem1;
rx_index = (int)(priv->rx_complete-priv->rx_head) /
(I2S_AFULL_THRESH * 4);
sg = sg + rx_index;
t_num = rem1/I2S_AFULL_THRESH;
dma_sync_sg_for_cpu(priv->dev, sg, t_num, DMA_FROM_DEVICE);
ptr_fmt = (int *)priv->rx_complete;
switch (priv->dma_rx_unit) {
case 1:
ptr8 = (char *)data;
for (l = 0; l < rem1; l++)
*ptr8++ = (char)*ptr_fmt++;
break;
case 2:
ptr16 = (short *)data;
for (l = 0; l < rem1; l++)
*ptr16++ = (short)*ptr_fmt++;
break;
case 4:
ptr32 = (int *)data;
for (l = 0; l < rem1; l++)
*ptr32++ = *ptr_fmt++;
break;
}
dma_sync_sg_for_device(priv->dev, sg, t_num, DMA_FROM_DEVICE);
priv->rx_complete = priv->rx_head;
sg = priv->sg_rx_p;
t_num = rem2/I2S_AFULL_THRESH;
dma_sync_sg_for_cpu(priv->dev, sg, t_num, DMA_FROM_DEVICE);
ptr_fmt = (int *)priv->rx_complete;
switch (priv->dma_rx_unit) {
case 1:
ptr8 = (char *)(data+rem1*priv->dma_rx_unit);
for (l = 0; l < rem2; l++)
*ptr8++ = (char)*ptr_fmt++;
break;
case 2:
ptr16 = (short *)(data+rem1*priv->dma_rx_unit);
for (l = 0; l < rem2; l++)
*ptr16++ = (short)*ptr_fmt++;
break;
case 4:
ptr32 = (int *)(data+rem1*priv->dma_rx_unit);
for (l = 0; l < rem2; l++)
*ptr32++ = *ptr_fmt++;
break;
}
dma_sync_sg_for_device(priv->dev, sg, t_num, DMA_FROM_DEVICE);
priv->rx_complete += rem2*4;
}

if (priv->rx_complete >= priv->rx_tail)
priv->rx_complete = priv->rx_head;

priv->rx_avail -= (len/priv->dma_rx_unit)*4;
}

static void i2s_dma_rx_complete(void *arg)
{
struct ioh_i2s_data *priv = arg;
struct scatterlist *sg = priv->sg_rx_cur;
int num = priv->rx_num;
int i;

async_tx_ack(priv->desc_rx);

for (i = 0; i < num; i++, sg++) {
priv->rx_data_head += sg_dma_len(sg) * 4;
priv->rx_avail += sg_dma_len(sg) * 4;
}

if (priv->rx_data_head >= priv->rx_tail)
priv->rx_data_head = priv->rx_head;

ioh_i2s_clear_rx_sts_ir(priv);
ioh_i2s_enable_rx_full_ir(priv);
}

static void i2s_dma_tx_complete(void *arg)
{
struct ioh_i2s_data *priv = arg;
struct scatterlist *sg = priv->sg_tx_cur;
int num = priv->tx_num;
int i;

async_tx_ack(priv->desc_tx);

for (i = 0; i < num; i++, sg++) {
priv->tx_complete += sg_dma_len(sg) * 4;
priv->tx_avail -= sg_dma_len(sg) * 4;
}

if (priv->tx_complete >= priv->tx_tail)
priv->tx_complete = priv->tx_head;
ioh_i2s_clear_tx_sts_ir(priv);
ioh_i2s_enable_tx_empty_ir(priv);
}

/*****************************************************************************
* Interrupt control
*****************************************************************************/
static void i2s_tx_almost_empty_ir(struct ioh_i2s_data *priv)
{
struct dma_async_tx_descriptor *desc;
int num;
int tx_comp_index;
struct scatterlist *sg = priv->sg_tx_p;

dev_dbg(priv->dev, "%s: data_head=%p data_complete=%p\n", __func__,
priv->tx_data_head, priv->tx_complete);

num = ((int)priv->tx_avail) / (I2S_AEMPTY_THRESH * 4);

tx_comp_index = (((int)(priv->tx_complete - priv->tx_head))) /\
(I2S_AEMPTY_THRESH * 4);

if ((tx_comp_index + num) >= priv->tx_nent)
num = priv->tx_nent - tx_comp_index;

if (num > I2S_DMA_SG_NUM)
num = I2S_DMA_SG_NUM;

if (!num) {
dev_err(priv->dev, "%s:Internal buffer empty\n",
__func__);
tasklet_schedule(&priv->tx_tasklet);
return; /* No data to transmit */
}

sg = sg + tx_comp_index; /* Point head of sg must be sent */
priv->sg_tx_cur = sg; /* Save tx condition */
priv->tx_num = num; /* Save tx condition */

desc = priv->chan_tx->device->device_prep_slave_sg(priv->chan_tx,
sg, num, DMA_TO_DEVICE,
DMA_PREP_INTERRUPT | DMA_CTRL_ACK);

if (!desc) {
dev_err(priv->dev, "%s:device_prep_slave_sg Failed\n",
__func__);
return;
}

/* To prevent this function from calling again before DMA completion */
ioh_i2s_disable_tx_empty_ir(priv);

priv->desc_tx = desc;
desc->callback = i2s_dma_tx_complete;
desc->callback_param = priv;

atomic_inc(&priv->pending_tx);
desc->tx_submit(desc);

tasklet_schedule(&priv->tx_tasklet);
}

void i2s_tx_empty_ir(struct ioh_i2s_data *priv, int ch)
{
dev_warn(priv->dev, "%s:I2S under flow occurs(ch=%d)\n", __func__, ch);
}

void i2s_rx_full_ir(struct ioh_i2s_data *priv, int ch)
{
dev_warn(priv->dev, "%s:I2S overrun occurs(ch=%d)\n", __func__, ch);
}

static inline void ioh_i2s_interrupt_sub_tx(struct ioh_i2s_data *priv)
{
unsigned int status;
int channel = priv->ch;
int offset = channel * 0x800;

status = ioread32(priv->iobase + I2SISTTX_OFFSET + offset);
if (status & I2S_TX_EINT)
i2s_tx_empty_ir(priv, channel);
if (status & I2S_TX_AEINT)
i2s_tx_almost_empty_ir(priv);

/*Clear the interrupt status */
iowrite32(status, priv->iobase + I2SISTTX_OFFSET + offset);
}

static void i2s_rx_almost_full_ir(struct ioh_i2s_data *priv)
{
struct dma_async_tx_descriptor *desc;
struct scatterlist *sg;
int rx_data_index;
int num;

num = (int)(INTER_BUFF_SIZE - priv->rx_avail) / (I2S_AFULL_THRESH * 4);
if (num < 1) {
dev_err(priv->dev, "%s:Internal buffer full\n",
__func__);
tasklet_schedule(&priv->rx_tasklet);
return;
}

sg = priv->sg_rx_p;
rx_data_index = ((int)(priv->rx_data_head - priv->rx_head)) /\
(I2S_AFULL_THRESH * 4);

if ((rx_data_index + num) >= priv->rx_nent)
num = priv->rx_nent - rx_data_index;

if (num > I2S_DMA_SG_NUM)
num = I2S_DMA_SG_NUM;

sg += rx_data_index;

desc = priv->chan_rx->device->device_prep_slave_sg(priv->chan_rx,
sg, num, DMA_FROM_DEVICE,
DMA_PREP_INTERRUPT | DMA_CTRL_ACK);
if (!desc) {
dev_err(priv->dev, "%s:device_prep_slave_sg Failed\n",
__func__);
return;
}

priv->sg_rx_cur = sg; /* Save rx condition */
ioh_i2s_disable_rx_full_ir(priv);
priv->rx_num = num;

priv->desc_rx = desc;
desc->callback = i2s_dma_rx_complete;
desc->callback_param = priv;
desc->tx_submit(desc);

tasklet_schedule(&priv->rx_tasklet);
}

static inline void ioh_i2s_interrupt_sub_rx(struct ioh_i2s_data *priv)
{
unsigned int status;
int channel = priv->ch;
int offset = channel * 0x800;

status = ioread32(priv->iobase + I2SISTRX_OFFSET + offset);
if (status & I2S_RX_FINT)
i2s_rx_full_ir(priv, channel);
if (status & I2S_RX_AFINT)
i2s_rx_almost_full_ir(priv);

/*Clear the interrupt status */
iowrite32(status, priv->iobase + I2SISTRX_OFFSET + offset);
}

void ioh_i2s_event(struct ioh_i2s_data *priv, u32 idisp)
{
unsigned long flags;

spin_lock_irqsave(&priv->tx_lock, flags);

if (idisp & BIT(priv->ch + 16)) {
dev_dbg(priv->dev, "Rx%d interrupt occures\n", priv->ch);
ioh_i2s_interrupt_sub_rx(priv);
}

if (idisp & BIT(priv->ch)) {
dev_dbg(priv->dev, "Tx%d interrupt occures\n", priv->ch);
ioh_i2s_interrupt_sub_tx(priv);
}

spin_unlock_irqrestore(&priv->tx_lock, flags);
return;
}

static irqreturn_t ioh_i2s_irq(int irq, void *data)
{
struct pci_dev *pdev = (struct pci_dev *)data;
struct ioh_i2s_data_pci *drvdata = pci_get_drvdata(pdev);
int i;
u32 idisp;
struct ioh_i2s_data *priv;

priv = &drvdata->devs[0];
idisp = ioread32(priv->iobase + I2SIDISP_OFFSET);
for (i = 0; i < MAX_I2S_IF; i++)
ioh_i2s_event(&drvdata->devs[i], idisp);

return IRQ_HANDLED;
}

/*****************************************************************************
* Sound Card
*****************************************************************************/
static void i2s_read_period(struct snd_pcm_substream *substream)
{
struct snd_ml7213i2s_pcm *dpcm;
struct cbdata *cbd;
int period;
void *read_ptr;
int read_size;

dpcm = substream->runtime->private_data;
cbd = &dpcm->cbd;

if (!cbd->priv)
return;

period = substream->runtime->period_size;

read_ptr = substream->runtime->dma_area
+(snd_pcm_lib_period_bytes(substream) * dpcm->irq_pos);
read_size = period * (substream->runtime->sample_bits/8) *
(substream->runtime->channels);

ioh_i2s_read(cbd->priv,
read_ptr,
read_size);

dpcm->irq_pos = (dpcm->irq_pos + 1) % substream->runtime->periods;
}

static void read_done(void *callback_data, int status, int num, int avail)
{
struct snd_pcm_substream *substream =
(struct snd_pcm_substream *)callback_data;
struct snd_ml7213i2s_pcm *dpcm;
struct cbdata *cbd;
dpcm = substream->runtime->private_data;

if (num < snd_card_ml7213i2s_capture[dpcm->ch].period_bytes_max)
return;

cbd = &dpcm->cbd;
switch (status) {
case IOH_EOK:
if (!cbd->stop) {
i2s_read_period(substream);
dpcm->buf_pos = (dpcm->buf_pos + 1) %
substream->runtime->periods;
snd_pcm_period_elapsed(dpcm->substream);
}

cbd->cnt++;
break;
case IOH_EDONE:
pr_debug("Done stopping channel %d\n", cbd->stop);
cbd->stop = 2;
break;

case IOH_EOVERRUN:
if (ignore_overrun)
pr_debug("overrun ignore\n");
else {
pr_err("RX overrun\n");
cbd->stop = 2;
}
break;

case IOH_EFRAMESYNC:
pr_err("Frame sync error\n");
cbd->stop = 2;
break;
}
if (cbd->stop)
pr_debug("stopping... %d\n", cbd->stop);
}

static int i2s_config_rate_reg(struct ioh_i2s_config_reg *config,
unsigned int rate,
struct snd_ml7213i2s_pcm *dpcm)
{
unsigned int i2s_mclk;
unsigned int ret;

i2s_mclk = i2s_config_table[dpcm->ch+STEREO_OFFSET].i2s_mclk;
if ((i2s_mclk/64) == rate)
ret = ioh_mclkfs_64fs << I2SCLKCNT_MCLKFS_OFFSET;
else if ((i2s_mclk/128) == rate)
ret = ioh_mclkfs_128fs << I2SCLKCNT_MCLKFS_OFFSET;
else if ((i2s_mclk/192) == rate)
ret = ioh_mclkfs_192fs << I2SCLKCNT_MCLKFS_OFFSET;
else if ((i2s_mclk/256) == rate)
ret = ioh_mclkfs_256fs << I2SCLKCNT_MCLKFS_OFFSET;
else if ((i2s_mclk/384) == rate)
ret = ioh_mclkfs_384fs << I2SCLKCNT_MCLKFS_OFFSET;
else if ((i2s_mclk/512) == rate)
ret = ioh_mclkfs_512fs << I2SCLKCNT_MCLKFS_OFFSET;
else if ((i2s_mclk/768) == rate)
ret = ioh_mclkfs_768fs << I2SCLKCNT_MCLKFS_OFFSET;
else if ((i2s_mclk/1024) == rate)
ret = ioh_mclkfs_1024fs << I2SCLKCNT_MCLKFS_OFFSET;
else
ret = 0;

return ret;
}

static int i2s_rx_configure_reg(struct ioh_i2s_config_reg *config,
unsigned int rate,
struct snd_ml7213i2s_pcm *dpcm)
{
int ret = 0;

memset(config, 0, sizeof(*config));

/* Set ML7213 IOH register default value */
config->cmn.i2simask = 0x003f003f;

config->rx.i2saerx = 0x1F;
config->rx.i2smskrx = 0x1F;
config->rx.i2sistrx = 0xC;

/* Configuration */
if (dpcm->channels == 1) {
config->rx.i2scntrx =
i2s_config_table[dpcm->ch+MONAURAL_OFFSET].i2scntrx |
dpcm->format |
(ioh_tel_tel_fmt << I2SCNTRX_RX_TEL_OFFSET);
config->cmn.i2sclkcnt = dpcm->bclkfs |
i2s_config_table[dpcm->ch+MONAURAL_OFFSET].i2sclkcnt;
} else {
config->rx.i2scntrx =
i2s_config_table[dpcm->ch+STEREO_OFFSET].i2scntrx |
dpcm->format |
(ioh_tel_i2s_fmt << I2SCNTRX_RX_TEL_OFFSET);
config->cmn.i2sclkcnt = dpcm->bclkfs |
i2s_config_table[dpcm->ch+STEREO_OFFSET].i2sclkcnt;
}

config->cmn.i2sclkcnt |= i2s_config_rate_reg(config, rate, dpcm);
config->rx.i2safrx = I2S_AFULL_THRESH / 2; /* Almost full threshold */
if (((config->cmn.i2sclkcnt & 0x3000) == 0x3000) &&
((config->cmn.i2sclkcnt & 0x7) == 0x2)) {
pr_err("%s: Failed not support setting\n", __func__);
ret = -1;
}
return ret;
}

static int setup_i2s_read(struct snd_pcm_substream *substream, int ch)
{
struct snd_ml7213i2s_pcm *dpcm;
struct ioh_i2s_config_reg config;
unsigned int master;
int ret = 0;
unsigned int byte;

master = (i2s_config_table[ch].i2sclkcnt >> I2SCLKCNT_MSSEL_OFFSET) & 1;
dpcm = substream->runtime->private_data;

dpcm->cbd.priv = ioh_i2s_open(ch, IOH_CAPTURE, "radio-i2s-in",
substream,
read_done);
dpcm->setup_flag = 1;

if (!dpcm->cbd.priv) {
pr_err("%s: Cannot open the device\n", __func__);
return -1;
}

if (ignore_overrun)
ioh_i2s_ignore_rx_overrun(dpcm->cbd.priv);

ret = i2s_rx_configure_reg(&config, dpcm->rate, dpcm);
if (master)
dpcm->master_mode |= 1 << (ch + I2S_READ_MASTER_BIT);
else
dpcm->master_mode |= 0 << (ch + I2S_READ_MASTER_BIT);

switch (dpcm->format) {
case (ioh_dabit_8bit << I2SCNT_DABIT_OFFSET):
byte = 1;
break;
case (ioh_dabit_16bit << I2SCNT_DABIT_OFFSET):
byte = 2;
break;
case (ioh_dabit_24bit << I2SCNT_DABIT_OFFSET):
byte = 4;
break;
default:
pr_err("%s: format error\n", __func__);
return -1;
break;
}

ioh_i2s_configure_i2s_regs(dpcm->cbd.priv, 0, &config, IOH_CAPTURE,
byte);
return ret;
}

static void i2s_write_period(struct snd_pcm_substream *substream)
{
struct snd_ml7213i2s_pcm *dpcm;
struct cbdata *cbd;
int period;
void *write_ptr;
int write_size;

dpcm = substream->runtime->private_data;
cbd = &dpcm->cbd;

if (!cbd->priv)
return;

period = substream->runtime->period_size;
write_ptr = substream->runtime->dma_area
+(snd_pcm_lib_period_bytes(substream) * dpcm->irq_pos);
write_size = period * (substream->runtime->sample_bits/8) *
(substream->runtime->channels);

ioh_i2s_write(cbd->priv,
write_ptr,
write_size);

dpcm->irq_pos = (dpcm->irq_pos + 1) % substream->runtime->periods;
}

static void write_done(void *callback_data, int status, int num, int avail)
{
struct snd_pcm_substream *substream =
(struct snd_pcm_substream *)callback_data;
struct snd_ml7213i2s_pcm *dpcm;
struct cbdata *cbd;

dpcm = substream->runtime->private_data;

if (num < snd_card_ml7213i2s_playback[dpcm->ch].period_bytes_max)
return;
if (avail >= snd_card_ml7213i2s_playback[dpcm->ch].period_bytes_max*2)
return;

if (!substream) {
pr_debug("%s:!substream NULL\n", __func__);
return;
}
if (!substream->runtime) {
pr_debug("%s:!substream->runtime NULL\n", __func__);
return;
}
if (!substream->runtime->private_data) {
pr_debug("%s:!substream->runtime->private_data NULL\n",
__func__);
return;
}
cbd = &dpcm->cbd;

switch (status) {
case IOH_EOK:
if (!cbd->stop) {
i2s_write_period(substream);
dpcm->buf_pos = (dpcm->buf_pos + 1) %
substream->runtime->periods;
snd_pcm_period_elapsed(dpcm->substream);
}
cbd->cnt++;
break;
case IOH_EDONE:
pr_debug("Done stopping channel %d\n", cbd->stop);
cbd->stop = 2;
break;
default:
pr_debug("%s:default(%d)\n", __func__, status);
break;
}
}

static int i2s_tx_configure_reg(struct ioh_i2s_config_reg *config,
unsigned int rate,
struct snd_ml7213i2s_pcm *dpcm)
{
int ret = 0;

memset(config, 0, sizeof(*config));

/* Set ML7213 IOH register default value */
config->cmn.i2simask = 0x003f003f;

config->tx.i2saftx = 0x0;
config->tx.i2smsktx = 0x1F;
config->tx.i2sisttx = 0xC;

/* Configuration */
if (dpcm->channels == 1) {
config->tx.i2scnttx =
i2s_config_table[dpcm->ch+MONAURAL_OFFSET].i2scnttx |
dpcm->format |
(ioh_tel_tel_fmt << I2SCNTTX_TX_TEL_OFFSET);
config->cmn.i2sclkcnt = dpcm->bclkfs |
i2s_config_table[dpcm->ch+MONAURAL_OFFSET].i2sclkcnt;
} else {
config->tx.i2scnttx =
i2s_config_table[dpcm->ch+STEREO_OFFSET].i2scnttx |
dpcm->format |
(ioh_tel_i2s_fmt << I2SCNTTX_TX_TEL_OFFSET);
config->cmn.i2sclkcnt = dpcm->bclkfs |
i2s_config_table[dpcm->ch+STEREO_OFFSET].i2sclkcnt;
}

config->cmn.i2sclkcnt |= i2s_config_rate_reg(config, rate, dpcm);
config->tx.i2saetx = I2S_AEMPTY_THRESH / 2; /* Almost empty threshold */
if (((config->cmn.i2sclkcnt & 0x3000) == 0x3000) &&
((config->cmn.i2sclkcnt & 0x7) == 0x2)) {
pr_err("%s: Failed not support setting\n", __func__);
ret = -1;
}
return ret;
}

static int setup_i2s_write(struct snd_pcm_substream *substream, int ch)
{
struct snd_ml7213i2s_pcm *dpcm;
struct ioh_i2s_config_reg config;
unsigned int master;
int ret = 0;
unsigned int byte;

master = (i2s_config_table[ch].i2sclkcnt >> I2SCLKCNT_MSSEL_OFFSET) & 1;
dpcm = substream->runtime->private_data;

dpcm->cbd.priv = ioh_i2s_open(ch, IOH_PLAYBACK, "radio-i2s-out",
substream,
write_done);
dpcm->setup_flag = 1;

if (!dpcm->cbd.priv) {
pr_err("%s: Cannot open the device\n", __func__);
return -1;
}

if (ignore_overrun)
ioh_i2s_ignore_rx_overrun(dpcm->cbd.priv);

ret = i2s_tx_configure_reg(&config, dpcm->rate, dpcm);
if (master)
dpcm->master_mode |= 1 << (ch + I2S_WRITE_MASTER_BIT);
else
dpcm->master_mode |= 0 << (ch + I2S_WRITE_MASTER_BIT);

switch (dpcm->format) {
case (ioh_dabit_8bit << I2SCNT_DABIT_OFFSET):
byte = 1;
break;
case (ioh_dabit_16bit << I2SCNT_DABIT_OFFSET):
byte = 2;
break;
case (ioh_dabit_24bit << I2SCNT_DABIT_OFFSET):
byte = 4;
break;
default:
pr_err("%s: format error\n", __func__);
return -1;
break;
}

ioh_i2s_configure_i2s_regs(dpcm->cbd.priv, 0, &config, IOH_PLAYBACK,
byte);
return ret;
}

static void __snd_card_ml7213i2s_runtime_free(struct snd_pcm_runtime *runtime)
{
struct snd_ml7213i2s_pcm *dpcm;
static int cnt;

dpcm = (struct snd_ml7213i2s_pcm *)runtime->private_data;
/* FIXME: This is just a big ball of race right now...
*/
if (!dpcm->cbd.stop)
dpcm->cbd.stop = 1;
else {
while (dpcm->cbd.stop != 2) {
if (cnt++ > 100) {
pr_debug("oops, failed to close ml7213i2s..\n");
pr_debug("it's ok if i2s isn't running\n");
break;
}
msleep(20);
}
}
}

static void snd_card_ml7213i2s_runtime_capture_free
(struct snd_pcm_runtime *runtime)
{
struct snd_ml7213i2s_pcm *dpcm;
dpcm = (struct snd_ml7213i2s_pcm *)runtime->private_data;

__snd_card_ml7213i2s_runtime_free(runtime);

if (dpcm->setup_flag)
ioh_i2s_release(dpcm->cbd.priv, IOH_CAPTURE);
kfree(runtime->private_data);
}

static struct snd_ml7213i2s_pcm *
new_pcm_stream(struct snd_pcm_substream *substream)
{
struct snd_ml7213i2s_pcm *dpcm;

dpcm = kzalloc(sizeof(*dpcm), GFP_KERNEL);
if (!dpcm)
return dpcm;
spin_lock_init(&dpcm->lock);
dpcm->substream = substream;
return dpcm;
}

static int snd_card_ml7213i2s_open(struct snd_pcm_substream *substream)
{
struct snd_pcm_runtime *runtime = substream->runtime;
struct snd_ml7213i2s_pcm *dpcm;
int err;

dpcm = new_pcm_stream(substream);
if (dpcm == NULL)
return -ENOMEM;

runtime->private_data = dpcm;
/* makes the infrastructure responsible for freeing dpcm */
runtime->private_free = snd_card_ml7213i2s_runtime_capture_free;

if (substream->stream == SNDRV_PCM_STREAM_CAPTURE) {
dpcm->rw = SND_CAPTURE_SUBSTREAM;
runtime->hw = snd_card_ml7213i2s_capture[substream->number];
} else {
dpcm->rw = SND_PLAYBACK_SUBSTREAM;
runtime->hw = snd_card_ml7213i2s_playback[substream->number];
}

dpcm->setup_flag = 0;
err = add_capture_constraints(runtime);
if (err < 0)
return err;

return 0;
}

static int snd_card_ml7213i2s_close(struct snd_pcm_substream *substream)
{
return 0;
}

static int snd_card_ml7213i2s_hw_params(struct snd_pcm_substream *substream,
struct snd_pcm_hw_params *hw_params)
{
struct snd_pcm_runtime *runtime = substream->runtime;
struct snd_ml7213i2s_pcm *dpcm = runtime->private_data;
unsigned int enable_flag = 0;
unsigned int ch = substream->number;

dpcm->channels = params_channels(hw_params);
dpcm->ch = substream->number;
dpcm->rate = params_rate(hw_params);
switch (params_format(hw_params)) {
case SNDRV_PCM_FORMAT_U8:
dpcm->format = ioh_dabit_8bit << I2SCNT_DABIT_OFFSET;
if (dpcm->channels == 1)
dpcm->bclkfs = ioh_bclkfs_32fs <<
I2SCLKCNT_BCLKFS_OFFSET;
else
dpcm->bclkfs = ioh_bclkfs_32fs <<
I2SCLKCNT_BCLKFS_OFFSET;
break;
case SNDRV_PCM_FORMAT_S16_LE:
dpcm->format = ioh_dabit_16bit << I2SCNT_DABIT_OFFSET;
if (dpcm->channels == 1)
dpcm->bclkfs = ioh_bclkfs_32fs <<
I2SCLKCNT_BCLKFS_OFFSET;
else
dpcm->bclkfs = ioh_bclkfs_32fs <<
I2SCLKCNT_BCLKFS_OFFSET;
break;
case SNDRV_PCM_FORMAT_S32_LE:
dpcm->format = ioh_dabit_24bit << I2SCNT_DABIT_OFFSET;
if (dpcm->channels == 1)
dpcm->bclkfs = ioh_bclkfs_64fs <<
I2SCLKCNT_BCLKFS_OFFSET;
else
dpcm->bclkfs = ioh_bclkfs_64fs <<
I2SCLKCNT_BCLKFS_OFFSET;
break;
default:
pr_err("%s: Failed not support format\n", __func__);
return -1;
break;
}

switch (dpcm->rw) {
case SND_CAPTURE_SUBSTREAM:
if (setup_i2s_read(substream, substream->number))
return -1;

dpcm->enable_mode |= 1 << (ch + I2S_READ_ENABLE_BIT);
enable_flag = (dpcm->enable_mode >> (ch+I2S_WRITE_ENABLE_BIT)) & 1;
break;
case SND_PLAYBACK_SUBSTREAM:
if (setup_i2s_write(substream, substream->number))
return -1;

dpcm->enable_mode |= 1 << (ch + I2S_WRITE_ENABLE_BIT);
enable_flag = (dpcm->enable_mode >> (ch+I2S_READ_ENABLE_BIT)) & 1;
break;
default:
return -1;
}

return snd_pcm_lib_malloc_pages(substream,
params_buffer_bytes(hw_params));
}

static int snd_card_ml7213i2s_hw_free(struct snd_pcm_substream *substream)
{
struct snd_ml7213i2s_pcm *dpcm = substream->runtime->private_data;
struct ioh_i2s_config_reg config;
unsigned int flag;
unsigned int enable_flag = 0;
unsigned int ch = substream->number;

switch (dpcm->rw) {
case SND_CAPTURE_SUBSTREAM:
i2s_rx_configure_reg(&config, dpcm->rate, dpcm);
config.cmn.i2sclkcnt &= ~I2SCLKCNT_MSSEL;

dpcm->master_mode &= ~(1<<(ch+I2S_READ_MASTER_BIT));
flag = (dpcm->master_mode >> (ch+I2S_WRITE_MASTER_BIT)) & 1;

dpcm->enable_mode &= ~(1<<(ch+I2S_READ_ENABLE_BIT));
enable_flag = (dpcm->enable_mode >> (ch+I2S_WRITE_ENABLE_BIT)) & 1;

if (dpcm->setup_flag) {
ioh_i2s_stop_i2s_regs(dpcm->cbd.priv, 0, &config,
IOH_CAPTURE, flag);
kfree(dpcm->cbd.priv);
}
break;

case SND_PLAYBACK_SUBSTREAM:
i2s_tx_configure_reg(&config, dpcm->rate, dpcm);
config.cmn.i2sclkcnt &= ~I2SCLKCNT_MSSEL;

dpcm->master_mode &= ~(1<<(ch+I2S_WRITE_MASTER_BIT));
flag = (dpcm->master_mode >> (ch+I2S_READ_MASTER_BIT)) & 1;

dpcm->enable_mode &= ~(1<<(ch+I2S_WRITE_ENABLE_BIT));
enable_flag = (dpcm->enable_mode >> (ch+I2S_READ_ENABLE_BIT)) & 1;

if (dpcm->setup_flag) {
ioh_i2s_stop_i2s_regs(dpcm->cbd.priv, 0, &config,
IOH_PLAYBACK, flag);
kfree(dpcm->cbd.priv);
}
break;

default:
return -1;
}

if (!enable_flag) {
pr_err("%s: enable_flag is NULL\n", __func__);
return -1;
}

return snd_pcm_lib_free_pages(substream);
}

void ioh_i2s_irq_stop(struct ioh_i2s_data *priv, enum ioh_direction dir)
{
if (!priv) {
dev_err(priv->dev, "%s: i2s is NULL\n", __func__);
return;
}

if (dir) {
ioh_i2s_disable_interrupts(priv, IOH_CAPTURE);
ioh_i2s_disable_rx_full_ir(priv);
ioh_i2s_clear_rx_sts_ir(priv);
priv->rxexe_flag = 0;

} else {
ioh_i2s_disable_interrupts(priv, IOH_PLAYBACK);
ioh_i2s_disable_tx_empty_ir(priv);
ioh_i2s_clear_tx_sts_ir(priv);
priv->txexe_flag = 0;
}
}

void ioh_i2s_write_start(struct ioh_i2s_data *priv, void *callback_data,
void (*done) (void *callback_data, int status,
int num, int avail))
{
priv->txexe_flag = 1;

priv->tx_data_head = priv->tx_head;
priv->tx_complete = priv->tx_head;
priv->tx_avail = 0;

priv->tx_callback_data = callback_data;
priv->tx_done = done;

ioh_i2s_clear_tx_sts_ir(priv);
ioh_i2s_tx_clear_dma_mask(priv);
ioh_i2s_enable_interrupts(priv, IOH_PLAYBACK);
}

void ioh_i2s_read_start(struct ioh_i2s_data *priv, void *callback_data,
void (*done) (void *callback_data, int status,
int num, int avail))
{
priv->rxexe_flag = 1;

priv->rx_data_head = priv->rx_head;
priv->rx_complete = priv->rx_head;
priv->rx_avail = 0;

priv->rx_callback_data = callback_data;
priv->rx_done = done;

ioh_i2s_clear_rx_sts_ir(priv);
ioh_i2s_rx_clear_dma_mask(priv);
ioh_i2s_enable_interrupts(priv, IOH_CAPTURE);
}

static inline void
snd_card_ml7213i2s_pcm_i2s_start(struct snd_pcm_substream *substream)
{
struct snd_ml7213i2s_pcm *dpcm;
struct cbdata *cbd;
dpcm = substream->runtime->private_data;
cbd = &dpcm->cbd;

if (!cbd->priv)
return;

if (substream->stream == SNDRV_PCM_STREAM_CAPTURE) {
ioh_i2s_read_start(cbd->priv, substream, read_done);
} else {
ioh_i2s_write_start(cbd->priv, substream, write_done);
i2s_write_period(substream);
}
}

static int snd_card_ml7213i2s_pcm_trigger
(struct snd_pcm_substream *substream, int cmd)
{
struct snd_pcm_runtime *runtime = substream->runtime;
struct snd_ml7213i2s_pcm *dpcm = runtime->private_data;
int err = 0;

spin_lock(&dpcm->lock);

switch (cmd) {
case SNDRV_PCM_TRIGGER_START:
case SNDRV_PCM_TRIGGER_RESUME:
dpcm->cbd.stop = 0;
snd_card_ml7213i2s_pcm_i2s_start(substream);
break;
case SNDRV_PCM_TRIGGER_STOP:
case SNDRV_PCM_TRIGGER_SUSPEND:
pr_debug("stop..\n");
if (!dpcm->cbd.stop)
dpcm->cbd.stop = 1;
else
pr_debug("already stopped %d\n", dpcm->cbd.stop);
if (substream->stream == SNDRV_PCM_STREAM_CAPTURE)
ioh_i2s_irq_stop(dpcm->cbd.priv, IOH_CAPTURE);
else
ioh_i2s_irq_stop(dpcm->cbd.priv, IOH_PLAYBACK);
break;
default:
err = -EINVAL;
break;
}

spin_unlock(&dpcm->lock);
return 0;
}

static int snd_card_ml7213i2s_pcm_prepare(struct snd_pcm_substream *substream)
{
struct snd_pcm_runtime *runtime = substream->runtime;
struct snd_ml7213i2s_pcm *dpcm = runtime->private_data;

dpcm->irq_pos = 0;
dpcm->buf_pos = 0;

snd_pcm_format_set_silence(runtime->format, runtime->dma_area,
bytes_to_samples(runtime, runtime->dma_bytes));

return 0;
}

static snd_pcm_uframes_t
snd_card_ml7213i2s_pcm_pointer(struct snd_pcm_substream *substream)
{
struct snd_pcm_runtime *runtime = substream->runtime;
struct snd_ml7213i2s_pcm *dpcm = runtime->private_data;

return substream->runtime->period_size*dpcm->buf_pos;
}

static struct snd_pcm_ops snd_card_ml7213i2s_capture_ops = {
.open = snd_card_ml7213i2s_open,
.close = snd_card_ml7213i2s_close,
.ioctl = snd_pcm_lib_ioctl,
.hw_params = snd_card_ml7213i2s_hw_params,
.hw_free = snd_card_ml7213i2s_hw_free,
.prepare = snd_card_ml7213i2s_pcm_prepare,
.trigger = snd_card_ml7213i2s_pcm_trigger,
.pointer = snd_card_ml7213i2s_pcm_pointer,
};

static int ml7213ioh_pcm_probe(struct snd_soc_platform *platform)
{
return 0;
}

static int ml7213ioh_pcm_remove(struct snd_soc_platform *platform)
{
return 0;
}

static struct snd_soc_platform_driver ml7213ioh_soc_platform = {
.probe = ml7213ioh_pcm_probe,
.remove = ml7213ioh_pcm_remove,
.ops = &snd_card_ml7213i2s_capture_ops,
};

static int __devinit snd_card_ml7213i2s_pcm(struct snd_ml7213i2s *ml7213i2s,
int device)
{
struct snd_pcm *pcm;
int err;

/* The number of I2S interface is (Rx + Tx) x 6CH */
err = snd_pcm_new(ml7213i2s->card, "ml7213i2s PCM", device,
MAX_I2S_TX_CH, MAX_I2S_RX_CH, &pcm);
if (err < 0)
return err;
ml7213i2s->pcm = pcm;
pcm->private_data = ml7213i2s;
pcm->info_flags = 0;
strcpy(pcm->name, "ml7213i2s PCM");

snd_pcm_lib_preallocate_pages_for_all(
pcm, SNDRV_DMA_TYPE_CONTINUOUS,
snd_dma_continuous_data(GFP_KERNEL),
0, 64*1024);
return 0;
}

static struct snd_device_ops ops = {NULL};

/*****************************************************************************
* PCI functions
*****************************************************************************/
DEFINE_PCI_DEVICE_TABLE(ioh_pci_tbl) = {
{
.vendor = PCI_VENDOR_ID_ROHM,
.device = PCI_DEVICE_ID_ML7213_I2S,
.subvendor = PCI_ANY_ID,
.subdevice = PCI_ANY_ID,
},
{0,}
};

static int ioh_i2s_pci_probe(struct pci_dev *pdev,
const struct pci_device_id *id)
{
int rv = 0;
int i;
int err;
struct ioh_i2s_data_pci *drvdata;
void __iomem *tbl;
unsigned int mapbase;
struct snd_card *card;
struct snd_ml7213i2s *ml7213i2s;
int dev = 0;

drvdata = kzalloc(sizeof(*drvdata), GFP_KERNEL);
if (!drvdata)
return -ENOMEM;

pci_set_drvdata(pdev, drvdata);

rv = pci_enable_device(pdev);
if (rv)
goto out_free;

tbl = pci_iomap(pdev, 1, 0);
if (!tbl) {
rv = -ENOMEM;
printk(KERN_ERR "pci_iomap failed\n");
goto out_ipmap;
}

mapbase = pci_resource_start(pdev, 1);
if (!mapbase) {
rv = -ENOMEM;
printk(KERN_ERR "pci_resource_start failed\n");
goto out_pci_resource_start;
}
drvdata->membase = tbl;
drvdata->mapbase = mapbase;
drvdata->dev = &pdev->dev;

for (i = 0; i < MAX_I2S_IF; i++) {
drvdata->devs[i].iobase = tbl;
drvdata->devs[i].mapbase = mapbase;
spin_lock_init(&drvdata->devs[i].tx_lock);
drvdata->devs[i].dma_config = &ioh_dma_config[i];
}

rv = request_irq(pdev->irq, ioh_i2s_irq, IRQF_SHARED, "ml7213_ioh",
pdev);
if (rv != 0) {
printk(KERN_ERR "Failed to allocate irq\n");
goto out_irq;
}

err = snd_card_create(index, "ml7213i2s", THIS_MODULE,
sizeof(struct snd_ml7213i2s), &card);

if (err < 0)
goto out_snd_card_create;

ml7213i2s = card->private_data;
ml7213i2s->card = card;
ml7213i2s->pci_dat = drvdata;
err = snd_card_ml7213i2s_pcm(ml7213i2s, 0);
if (err < 0)
goto snd_card_ml7213i2s_pc;

strcpy(card->driver, "ml7213i2s");
strcpy(card->shortname, "ml7213i2s");
sprintf(card->longname, "ml7213i2s %i", dev + 1);

snd_card_set_dev(card, &pdev->dev);
snd_device_new(card, SNDRV_DEV_LOWLEVEL, ml7213i2s, &ops);
err = snd_card_register(card);
if (err)
goto out_snd_card_register;

drvdata->card = card;

snd_soc_register_platform(&pdev->dev, &ml7213ioh_soc_platform);

return 0;

out_snd_card_register:
snd_card_ml7213i2s_pc:
snd_card_free(card);
out_snd_card_create:
free_irq(pdev->irq, pdev);
out_irq:
out_pci_resource_start:
pci_iounmap(pdev, tbl);
out_ipmap:
pci_disable_device(pdev);
out_free:
kfree(drvdata);

return rv;
}

static void ioh_i2s_pci_remove(struct pci_dev *pdev)
{
struct ioh_i2s_data_pci *drvdata = pci_get_drvdata(pdev);
int i;

for (i = 0; i < MAX_I2S_IF; i++)
ioh_i2s_reset(&drvdata->devs[i]);

snd_soc_unregister_platform(&pdev->dev);
kfree(drvdata);
pci_disable_device(pdev);
pci_iounmap(pdev, drvdata->membase);
free_irq(pdev->irq, pdev);
snd_card_free(drvdata->card);
pci_set_drvdata(pdev, NULL);
}

static void ioh_i2s_save_reg_conf(struct pci_dev *pdev)
{
int i;
struct ioh_i2s_data_pci *drvdata = pci_get_drvdata(pdev);
void *iobase;
struct ioh_i2s_pm_ch_reg *save;
int offset;

for (i = 0, offset = 0; i < MAX_I2S_IF; i++, offset = i * 0x800) {
iobase = drvdata->devs[i].iobase;
save = &drvdata->devs[i].ch_reg_save;

save->i2sdrtx = ioread32(iobase + offset + I2SDRTX_OFFSET);
save->i2scnttx = ioread32(iobase + offset + I2SCNTTX_OFFSET);
save->i2sfifoctx =
ioread32(iobase + offset + I2SFIFOCTX_OFFSET);
save->i2saftx = ioread32(iobase + offset + I2SAFTX_OFFSET);
save->i2saetx = ioread32(iobase + offset + I2SAETX_OFFSET);
save->i2smsktx = ioread32(iobase + offset + I2SMSKTX_OFFSET);
save->i2sisttx = ioread32(iobase + offset + I2SISTTX_OFFSET);

save->i2scntrx = ioread32(iobase + offset + I2SCNTRX_OFFSET);
save->i2sfifocrx =
ioread32(iobase + offset + I2SFIFOCRX_OFFSET);
save->i2safrx = ioread32(iobase + offset + I2SAFRX_OFFSET);
save->i2saerx = ioread32(iobase + offset + I2SAERX_OFFSET);
save->i2smskrx = ioread32(iobase + offset + I2SMSKRX_OFFSET);
save->i2sistrx = ioread32(iobase + offset + I2SISTRX_OFFSET);
}

for (i = 0; i < MAX_I2S_IF; i++) {
drvdata->cmn_reg_save.i2sclkcnt[i] =
ioread32(drvdata->devs[i].iobase + I2SCLKCNT0_OFFSET + 0x10*i);
}
drvdata->cmn_reg_save.i2simask =
ioread32(drvdata->devs[0].iobase + I2SIMASK_OFFSET);
}

static int ioh_i2s_pci_suspend(struct pci_dev *pdev, pm_message_t state)
{
int ret;

ioh_i2s_save_reg_conf(pdev);
ret = pci_save_state(pdev);
if (ret) {
dev_err(&pdev->dev,
" %s -pci_save_state returns %d\n", __func__, ret);
return ret;
}
pci_enable_wake(pdev, PCI_D3hot, 0);
pci_disable_device(pdev);
pci_set_power_state(pdev, pci_choose_state(pdev, state));

return 0;
}

static void ioh_i2s_restore_reg_conf(struct pci_dev *pdev)
{
int i;
struct ioh_i2s_data_pci *drvdata = pci_get_drvdata(pdev);
void *iobase;
struct ioh_i2s_pm_ch_reg *save;
int offset;

for (i = 0, offset = 0; i < MAX_I2S_IF; i++, offset = i * 0x800) {
iobase = drvdata->devs[i].iobase;
save = &drvdata->devs[i].ch_reg_save;

iowrite32(save->i2sdrtx, iobase + offset + I2SDRTX_OFFSET);
iowrite32(save->i2scnttx, iobase + offset + I2SCNTTX_OFFSET);
iowrite32(save->i2sfifoctx,
iobase + offset + I2SFIFOCTX_OFFSET);
iowrite32(save->i2saftx, iobase + offset + I2SAFTX_OFFSET);
iowrite32(save->i2saetx, iobase + offset + I2SAETX_OFFSET);
iowrite32(save->i2smsktx, iobase + offset + I2SMSKTX_OFFSET);
iowrite32(save->i2sisttx, iobase + offset + I2SISTTX_OFFSET);

iowrite32(save->i2scntrx, iobase + offset + I2SCNTRX_OFFSET);
iowrite32(save->i2sfifocrx,
iobase + offset + I2SFIFOCRX_OFFSET);
iowrite32(save->i2safrx, iobase + offset + I2SAFRX_OFFSET);
iowrite32(save->i2saerx, iobase + offset + I2SAERX_OFFSET);
iowrite32(save->i2smskrx, iobase + offset + I2SMSKRX_OFFSET);
iowrite32(save->i2sistrx, iobase + offset + I2SISTRX_OFFSET);
}

for (i = 0; i < MAX_I2S_IF; i++) {
iowrite32(drvdata->cmn_reg_save.i2sclkcnt[i],
drvdata->devs[i].iobase + I2SCLKCNT0_OFFSET + 0x10*i);
}

iowrite32(drvdata->cmn_reg_save.i2simask,
drvdata->devs[0].iobase + I2SIMASK_OFFSET);
}

static int ioh_i2s_pci_resume(struct pci_dev *pdev)
{
int ret;

pci_set_power_state(pdev, PCI_D0);
pci_restore_state(pdev);
ret = pci_enable_device(pdev);
if (ret) {
dev_err(&pdev->dev,
"%s-pci_enable_device failed(ret=%d) ", __func__, ret);
return ret;
}

pci_enable_wake(pdev, PCI_D3hot, 0);
ioh_i2s_restore_reg_conf(pdev);

return 0;
}

static struct pci_driver ioh_i2s_driver = {
.name = DRV_NAME,
.probe = ioh_i2s_pci_probe,
.remove = __devexit_p(ioh_i2s_pci_remove),
.id_table = ioh_pci_tbl,
#ifdef CONFIG_PM
.suspend = ioh_i2s_pci_suspend,
.resume = ioh_i2s_pci_resume,
#endif
};

static int __init ioh_i2s_init(void)
{
return pci_register_driver(&ioh_i2s_driver);
}

static void __exit ioh_i2s_cleanup(void)
{
pci_unregister_driver(&ioh_i2s_driver);
}

module_init(ioh_i2s_init);
module_exit(ioh_i2s_cleanup);

MODULE_AUTHOR("Tomoya MORINAGA <tomoya-linux@dsn.lapis-semi.com>");
MODULE_DESCRIPTION("LAPIS Semiconductor ML7213 IOH ALSA SoC platform driver");
MODULE_LICENSE("GPL");
/*
* Copyright (C) 2011 LAPIS Semiconductor Co., Ltd.
*
* 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; version 2 of the License.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307, USA.
*/

#ifndef ML7213IOH_PLAT_H
#define ML7213IOH_PLAT_H

#include <linux/interrupt.h>
#include <linux/pch_dma.h>

#define I2SCLKCNT0_OFFSET 0x3000
#define I2SCLKCNT1_OFFSET 0x3010
#define I2SCLKCNT2_OFFSET 0x3020
#define I2SCLKCNT3_OFFSET 0x3030
#define I2SCLKCNT4_OFFSET 0x3040
#define I2SCLKCNT5_OFFSET 0x3050
#define I2SISTATUS_OFFSET 0x3080
#define I2SIDISP_OFFSET 0x3084
#define I2SIMASK_OFFSET 0x3088
#define I2SIMASKCLR_OFFSET 0x308C
#define I2SSRST_OFFSET 0x3FFC
#define I2SDRTX_OFFSET 0x0
#define I2SCNTTX_OFFSET 0x4
#define I2SFIFOCTX_OFFSET 0x8
#define I2SAFTX_OFFSET 0xC
#define I2SAETX_OFFSET 0x10
#define I2SMSKTX_OFFSET 0x14
#define I2SISTTX_OFFSET 0x18
#define I2SMONTX_OFFSET 0x1C
#define I2SDRRX_OFFSET 0x20
#define I2SCNTRX_OFFSET 0x24
#define I2SFIFOCRX_OFFSET 0x28
#define I2SAFRX_OFFSET 0x2C
#define I2SAERX_OFFSET 0x30
#define I2SMSKRX_OFFSET 0x34
#define I2SISTRX_OFFSET 0x38
#define I2SMONRX_OFFSET 0x3C
#define FIRST_TX_OFFSET 0x0
#define FIRST_RX_OFFSET 0x0

#define I2SDRTXMIRROR_OFFSET 0x100
#define I2SDRRXMIRROR_OFFSET 0x400

#define TX_OFFSET_INCREMENT 0x800

#define I2S_ALL_INTERRUPT_BITS 0x3F003F
#define I2S_IDISP_BITS 0x3F003F
#define I2S_IDISP_TX_BITS 0x00003F
#define I2S_IDISP_RX_BITS 0x3F0000
#define TX_BIT_FIMSK 0x1 /*Fifo full interrupt mask bit*/
#define TX_BIT_AFIMSK 0x2 /*Fifo Almost full interrupt mask bit*/
#define TX_BIT_EIMSK 0x4 /*Fifo empty interrupt mask bit*/
#define TX_BIT_AEIMSK 0x8 /*Fifo Almost empty interrupt mask bit*/
#define TX_BIT_DMAMSK 0x10 /*Masks DMA*/
#define TX_BIT_DMATC 0x100
#define I2S_TX_ALL_INTR_MASK_BITS (TX_BIT_FIMSK | TX_BIT_AFIMSK | TX_BIT_EIMSK \
| TX_BIT_AEIMSK)
#define I2S_TX_NORMAL_INTR_MASK_BITS (TX_BIT_FIMSK | TX_BIT_AFIMSK)
#define RX_BIT_FIMSK 0x1 /*Fifo full interrupt mask bit*/
#define RX_BIT_AFIMSK 0x2 /*Fifo Almost full interrupt mask bit*/
#define RX_BIT_EIMSK 0x4 /*Fifo empty interrupt mask bit*/
#define RX_BIT_AEIMSK 0x8 /*Fifo Almost empty interrupt mask bit*/
#define RX_BIT_DMAMSK 0x10 /*Masks DMA*/
#define RX_BIT_DMATC 0x100
#define I2S_RX_ALL_INTR_MASK_BITS (RX_BIT_FIMSK | RX_BIT_AFIMSK | RX_BIT_EIMSK \
| RX_BIT_AEIMSK)
#define I2S_RX_NORMAL_INTR_MASK_BITS (RX_BIT_EIMSK | RX_BIT_AEIMSK)
#define I2S_TX_FINT 0x1 /*Full Interrupt*/
#define I2S_TX_AFINT 0x2 /*Almost full interrupt*/
#define I2S_TX_EINT 0x4 /*Empty interrupt*/
#define I2S_TX_AEINT 0x8 /*Almost empty interrupt*/
#define I2S_RX_FINT 0x1 /*Full Interrupt*/
#define I2S_RX_AFINT 0x2 /*Almost full interrupt*/
#define I2S_RX_EINT 0x4 /*Empty interrupt*/
#define I2S_RX_AEINT 0x8 /*Almost empty interrupt*/

#define I2S_FIFO_TX_FCLR BIT(0)
#define I2S_FIFO_TX_RUN BIT(4)
#define I2S_FIFO_RX_FCLR BIT(0)
#define I2S_FIFO_RX_RUN BIT(4)

#define FIFO_CTRL_BIT_TX_RUN 0x10
#define FIFO_CTRL_BIT_RX_RUN 0x10
#define I2S_CNT_BIT_TEL 0x1
#define I2S_IMASK_TX_BIT_START 0
#define I2S_IMASK_RX_BIT_START 16

#define MAX_I2S_IF MAX_I2S_CH

/* DMA channel name configuration */
static struct ioh_dma_config {
char rx_chan[8];
char tx_chan[8];
} ioh_dma_config[] = {
{ /* I2S0 */
.tx_chan = "i2s_tx0",
.rx_chan = "i2s_rx0",
},
{ /* I2S1 */
.tx_chan = "i2s_tx1",
.rx_chan = "i2s_rx1",
},
{ /* I2S2 */
.tx_chan = "i2s_tx2",
.rx_chan = "i2s_rx2",
},
{ /* I2S3 */
.tx_chan = "i2s_tx3",
.rx_chan = "i2s_rx3",
},
{ /* I2S4 */
.tx_chan = "i2s_tx4",
.rx_chan = "i2s_rx4",
},
{ /* I2S5 */
.tx_chan = "i2s_tx5",
.rx_chan = "i2s_rx5",
},
};

struct ioh_i2s_data {
struct device *dev;
void *iobase;
int ch;
atomic_t rx_busy;
atomic_t tx_busy;

int ignore_rx_overrun;

/* Transmit side DMA */
atomic_t pending_tx;

struct ioh_dma_config *dma_config;

char rx_name[16];
char tx_name[16];

struct scatterlist *sg_tx_p;
struct scatterlist *sg_rx_p;

struct scatterlist *sg_tx_cur; /* current head of tx sg */
struct scatterlist *sg_rx_cur; /* current head of tx sg */
int tx_num; /* The number of sent sg */
int rx_num; /* The number of sent sg */

void *rxbuf_virt;
void *txbuf_virt;
unsigned char *tx_tail;
unsigned char *tx_head;
unsigned char *tx_data_head;
unsigned char *tx_complete;
unsigned int tx_avail;
unsigned char *rx_tail;
unsigned char *rx_head;
unsigned char *rx_data_head;
unsigned char *rx_complete;
unsigned int rx_avail;
struct dma_chan *chan_tx;
struct dma_chan *chan_rx;

int rx_nent; /* The number of rx scatter list */
int tx_nent; /* The number of tx scatter list */

struct dma_async_tx_descriptor *desc_tx;
struct dma_async_tx_descriptor *desc_rx;

dma_addr_t tx_buf_dma;
dma_addr_t rx_buf_dma;

spinlock_t tx_lock;

struct pch_dma_slave param_tx;
struct pch_dma_slave param_rx;
unsigned int mapbase;
dma_addr_t tx_reg_addr[2];

void *rx_callback_data;
void (*rx_done) (void *callback_data, int status, int num, int avail);
void *tx_callback_data;
void (*tx_done) (void *callback_data, int status, int num, int avail);

unsigned int tx_lower_data_flag;

int dma_tx_unit; /* 1Byte of 2Byte or 4Byte */
int dma_rx_unit; /* 1Byte of 2Byte or 4Byte */
int dma_tx_width;
int dma_rx_width;

int txexe_flag;
int rxexe_flag;

struct tasklet_struct tx_tasklet;
struct tasklet_struct rx_tasklet;

struct ioh_i2s_pm_ch_reg ch_reg_save;
};

struct ioh_i2s_data_pci {
struct ioh_i2s_data devs[MAX_I2S_IF];
void __iomem *membase;
unsigned int mapbase;
struct ioh_i2s_pm_common_reg cmn_reg_save;
struct snd_card *card;
struct device *dev;
};

#endif
/*
* Copyright (c) 2005 Openedhand Ltd.
* Copyright (C) 2011 LAPIS Semiconductor Co., Ltd.
*
* This code was derived from the WM8731 Soc Audio driver
* by Richard Purdie <richard@openedhand.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; version 2 of the License.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307, USA.
*/

#ifndef _WM8731_H
#define _WM8731_H

/* WM8731 register space */

#define WM8731_LINVOL 0x00
#define WM8731_RINVOL 0x01
#define WM8731_LOUT1V 0x02
#define WM8731_ROUT1V 0x03
#define WM8731_APANA 0x04
#define WM8731_APDIGI 0x05
#define WM8731_PWR 0x06
#define WM8731_IFACE 0x07
#define WM8731_SRATE 0x08
#define WM8731_ACTIVE 0x09
#define WM8731_RESET 0x0f

#define WM8731_CACHEREGNUM 10

#define WM8731_SYSCLK_XTAL 1
#define WM8731_SYSCLK_MCLK 2

#define WM8731_DAI 0

/* Clock Control Register */
#define ML26124_SMPLING_RATE 0x00
#define ML26124_PLLNL 0x02
#define ML26124_PLLNH 0x04
#define ML26124_PLLML 0x06
#define ML26124_PLLMH 0x08
#define ML26124_PLLDIV 0x0a
#define ML26124_CLK_EN 0x0c
#define ML26124_CLK_CTL 0x0e

/* System Control Register */
#define ML26124_SW_RST 0x10
#define ML26124_REC_PLYBAK_RUN 0x12
#define ML26124_MIC_TIM 0x14

/* Power Mnagement Register */
#define ML26124_PW_REF_PW_MNG 0x20
#define ML26124_PW_IN_PW_MNG 0x22
#define ML26124_PW_DAC_PW_MNG 0x24
#define ML26124_PW_SPAMP_PW_MNG 0x26
#define ML26124_PW_LOUT_PW_MNG 0x28
#define ML26124_PW_VOUT_PW_MNG 0x2a
#define ML26124_PW_ZCCMP_PW_MNG 0x2e

/* Analog Reference Control Register */
#define ML26124_PW_MICBIAS_VOL 0x30

/* Input/Output Amplifier Control Register */
#define ML26124_PW_MIC_IN_VOL 0x32
#define ML26124_PW_MIC_BOST_VOL 0x38
#define ML26124_PW_SPK_AMP_VOL 0x3a
#define ML26124_PW_AMP_VOL_FUNC 0x48
#define ML26124_PW_AMP_VOL_FADE 0x4a

/* Analog Path Control Register */
#define ML26124_SPK_AMP_OUT 0x54
#define ML26124_MIC_IF_CTL 0x5a
#define ML26124_MIC_SELECT 0xe8
//#define ML26124_CTL 0x

/* Audio Interface Control Register */
#define ML26124_SAI_TRANS_CTL 0x60
#define ML26124_SAI_RCV_CTL 0x62
#define ML26124_SAI_MODE_SEL 0x64

/* DSP Control Register */
#define ML26124_FILTER_EN 0x66
#define ML26124_VOL_CTL_EN 0x68
#define ML26124_MIXER_VOL_CTL 0x6a
#define ML26124_RECORD_DIG_VOL 0x6c
#define ML26124_PLBAK_DIG_VOL 0x70
#define ML26124_DIGI_BOOST_VOL 0x72
#define ML26124_EQ_GAIN_BRAND0 0x74
#define ML26124_EQ_GAIN_BRAND1 0x76
#define ML26124_EQ_GAIN_BRAND2 0x78
#define ML26124_EQ_GAIN_BRAND3 0x7a
#define ML26124_EQ_GAIN_BRAND4 0x7c
#define ML26124_HPF2_CUTOFF 0x7e
#define ML26124_EQBRAND0_F0L 0x80
#define ML26124_EQBRAND0_F0H 0x82
#define ML26124_EQBRAND0_F1L 0x84
#define ML26124_EQBRAND0_F1H 0x86
#define ML26124_EQBRAND1_F0L 0x88
#define ML26124_EQBRAND1_F0H 0x8a
#define ML26124_EQBRAND1_F1L 0x8c
#define ML26124_EQBRAND1_F1H 0x8e
#define ML26124_EQBRAND2_F0L 0x90
#define ML26124_EQBRAND2_F0H 0x92
#define ML26124_EQBRAND2_F1L 0x94
#define ML26124_EQBRAND2_F1H 0x96
#define ML26124_EQBRAND3_F0L 0x98
#define ML26124_EQBRAND3_F0H 0x9a
#define ML26124_EQBRAND3_F1L 0x9c
#define ML26124_EQBRAND3_F1H 0x9e
#define ML26124_EQBRAND4_F0L 0xa0
#define ML26124_EQBRAND4_F0H 0xa2
#define ML26124_EQBRAND4_F1L 0xa4
#define ML26124_EQBRAND4_F1H 0xa6

/* ALC Control Register */
#define ML26124_ALC_MODE 0xb0
#define ML26124_ALC_ATTACK_TIM 0xb2
#define ML26124_ALC_DECAY_TIM 0xb4
#define ML26124_ALC_HOLD_TIM 0xb6
#define ML26124_ALC_TARGET_LEV 0xb8
#define ML26124_ALC_MAXMIN_GAIN 0xba
#define ML26124_NOIS_GATE_THRSH 0xbc
#define ML26124_ALC_ZERO_TIMOUT 0xbe

/* Playback Limiter Control Register */
#define ML26124_PL_ATTACKTIME 0xc0
#define ML26124_PL_DECAYTIME 0xc2
#define ML26124_PL_TARGETTIME 0xc4
#define ML26124_PL_MAXMIN_GAIN 0xc6
#define ML26124_PLYBAK_BOST_VOL 0xc8
#define ML26124_PL_0CROSS_TIMOUT 0xca

/* Video Amplifer Control Register */
#define ML26124_VIDEO_AMP_GAIN_CTL 0xd0
#define ML26124_VIDEO_AMP_SETUP1 0xd2
#define ML26124_VIDEO_AMP_CTL2 0xd4

#endif
\
 
 \ /
  Last update: 2011-11-08 10:07    [W:0.248 / U:0.216 seconds]
©2003-2020 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site