static int max98504_i2c_probe(struct i2c_client *i2c,
const struct i2c_device_id *id)
{
struct max98504_priv *max98504;
int ret;
msg_maxim("\n");
#ifdef SUPPORT_DEVICE_TREE
max98504_regulator_config(i2c, of_property_read_bool(i2c->dev.of_node, "max98504,i2c-pull-up"), 1);
#endif
max98504 = kzalloc(sizeof(struct max98504_priv), GFP_KERNEL);
if (max98504 == NULL)
return -ENOMEM;
max98504->devtype = id->driver_data;
i2c_set_clientdata(i2c, max98504);
max98504->control_data = i2c;
max98504->pdata = i2c->dev.platform_data;
ret = snd_soc_register_codec(&i2c->dev,
&soc_codec_dev_max98504, max98504_dai, ARRAY_SIZE(max98504_dai));
msg_maxim("ret=%d\n", ret);
if (ret < 0)
kfree(max98504);
return ret;
}
static int max98506_dai_set_fmt(struct snd_soc_dai *codec_dai,
unsigned int fmt)
{
struct snd_soc_codec *codec = codec_dai->codec;
struct max98506_priv *max98506 = snd_soc_codec_get_drvdata(codec);
unsigned int invert = 0;
msg_maxim("fmt 0x%08X", fmt);
switch (fmt & SND_SOC_DAIFMT_MASTER_MASK) {
case SND_SOC_DAIFMT_CBS_CFS:
max98506_set_slave(max98506);
break;
case SND_SOC_DAIFMT_CBM_CFM:
max98506_set_master(max98506);
break;
case SND_SOC_DAIFMT_CBS_CFM:
case SND_SOC_DAIFMT_CBM_CFS:
default:
dev_err(codec->dev, "DAI clock mode unsupported");
return -EINVAL;
}
switch (fmt & SND_SOC_DAIFMT_FORMAT_MASK) {
case SND_SOC_DAIFMT_I2S:
msg_maxim("set SND_SOC_DAIFMT_I2S");
break;
case SND_SOC_DAIFMT_LEFT_J:
msg_maxim("set SND_SOC_DAIFMT_LEFT_J");
break;
case SND_SOC_DAIFMT_DSP_A:
msg_maxim("set SND_SOC_DAIFMT_DSP_A");
default:
dev_warn(codec->dev, "DAI format unsupported, fmt:0x%x", fmt);
}
switch (fmt & SND_SOC_DAIFMT_INV_MASK) {
case SND_SOC_DAIFMT_NB_NF:
break;
case SND_SOC_DAIFMT_NB_IF:
invert = MAX98506_DAI_WCI_MASK;
break;
case SND_SOC_DAIFMT_IB_NF:
invert = MAX98506_DAI_BCI_MASK;
break;
case SND_SOC_DAIFMT_IB_IF:
invert = MAX98506_DAI_BCI_MASK | MAX98506_DAI_WCI_MASK;
break;
default:
dev_err(codec->dev, "DAI invert mode unsupported");
return -EINVAL;
}
regmap_update_bits(max98506->regmap, MAX98506_R020_FORMAT,
MAX98506_DAI_BCI_MASK | MAX98506_DAI_WCI_MASK, invert);
return 0;
}
static void max98504_work(struct work_struct *work)
{
struct max98504_priv *max98504 = container_of(work, struct max98504_priv, work.work);
struct snd_soc_codec *codec= max98504->codec;
if(codec->dapm.bias_level==SND_SOC_BIAS_ON) {
snd_soc_write(codec, MAX98504_REG_14_WATCHDOG_CLEAR, 0xE9);
snd_soc_write(codec, MAX98504_REG_40_GLOBAL_ENABLE, M98504_GLOBAL_EN_MASK);
msg_maxim("Watchdog Recovery\n");
}
else msg_maxim("No Watchdog Recovery.\n");
}
static void max98504_handle_pdata(struct snd_soc_codec *codec)
{
struct max98504_priv *max98504 = snd_soc_codec_get_drvdata(codec);
struct max98504_pdata *pdata = max98504->pdata;
struct max98504_dsp_cfg *dsp_cfg;
u8 cmon_en, rx_en, tx_en, tx_hiz_en, tx_ch_src, auth_en, wdog_time_out;
u8 regval = 0;
#if 1 // TEST
pdata = &max98504_config;
#endif
msg_maxim("\n");
if (!pdata) {
dev_dbg(codec->dev, "No platform data\n");
return;
}
dsp_cfg = pdata->dsp_cfg;
cmon_en = pdata->clk_monitor_en;
rx_en = pdata->rx_ch_en;
tx_en = pdata->tx_ch_en;
tx_hiz_en = pdata->tx_hiz_ch_en;
tx_ch_src = pdata->tx_ch_src;
auth_en = pdata->auth_en;
wdog_time_out = pdata->wdog_time_out;
/* filter */
if(dsp_cfg->tx_dither_en) regval = M98504_PCM_DSP_CFG_TX_DITH_EN_MASK;
if(dsp_cfg->meas_dc_block_en) regval |= M98504_PCM_DSP_CFG_MEAS_DCBLK_EN_MASK;
if(dsp_cfg->rx_dither_en) regval |= M98504_PCM_DSP_CFG_RX_DITH_EN_MASK;
if(dsp_cfg->rx_flt_mode) regval |= M98504_PCM_DSP_CFG_RX_FLT_MODE_MASK;
snd_soc_update_bits(codec, MAX98504_REG_25_PCM_DSP_CONFIG,
M98504_PCM_DSP_CFG_FLT_MASK, regval);
snd_soc_write(codec, MAX98504_REG_15_CLOCK_MONITOR_ENABLE, cmon_en & M98504_CMON_ENA_MASK);
snd_soc_write(codec, MAX98504_REG_20_PCM_RX_ENABLES, rx_en);
snd_soc_write(codec, MAX98504_REG_21_PCM_TX_ENABLES, tx_en);
snd_soc_write(codec, MAX98504_REG_22_PCM_TX_HIZ_CONTROL, tx_hiz_en);
snd_soc_write(codec, MAX98504_REG_23_PCM_TX_CHANNEL_SOURCES, tx_ch_src);
snd_soc_write(codec, MAX98504_REG_13_WATCHDOG_CONFIG, wdog_time_out);
#if 0 // TEST
snd_soc_write(codec, MAX98504_REG_35_SPEAKER_SOURCE_SELECT, 1);
#endif
msg_maxim("RX_EN:0x%x, TX_EN:0x%x, TX_SRC:0x%x, wdog_time_out:%d\n", rx_en, tx_en, tx_ch_src, wdog_time_out);
}
static irqreturn_t max98504_interrupt(int irq, void *data)
{
struct snd_soc_codec *codec = (struct snd_soc_codec *) data;
struct max98504_priv *max98504 = snd_soc_codec_get_drvdata(codec);
unsigned int mask;
unsigned int flag;
mask = snd_soc_read(codec, MAX98504_REG_03_INTERRUPT_ENABLES);
flag = snd_soc_read(codec, MAX98504_REG_02_INTERRUPT_FLAGS);
msg_maxim("flag=0x%02x mask=0x%02x -> flag=0x%02x\n",
flag, mask, flag & mask);
flag &= mask;
if (!flag)
return IRQ_NONE;
/* Send work to be scheduled */
if (flag & M98504_INT_GENFAIL_EN_MASK) {
msg_maxim("M98504_INT_GENFAIL_EN_MASK active!");
}
if (flag & M98504_INT_AUTHDONE_EN_MASK) {
msg_maxim("M98504_INT_AUTHDONE_EN_MASK active!");
}
if (flag & M98504_INT_VBATBROWN_EN_MASK) {
msg_maxim("M98504_INT_VBATBROWN_EN_MASK active!");
}
if (flag & M98504_INT_WATCHFAIL_EN_MASK) {
msg_maxim("M98504_INT_WATCHFAIL_EN_MASK active!");
schedule_delayed_work(&max98504->work, msecs_to_jiffies(2000));
}
if (flag & M98504_INT_THERMWARN_END_EN_MASK) {
msg_maxim("M98504_INT_THERMWARN_END_EN_MASK active!");
}
if (flag & M98504_INT_THERMWARN_BGN_EN_MASK) {
msg_maxim("M98504_INT_THERMWARN_BGN_EN_MASK active!\n");
}
if (flag & M98504_INT_THERMSHDN_END_EN_MASK) {
msg_maxim("M98504_INT_THERMSHDN_END_EN_MASK active!\n");
}
if (flag & M98504_INT_THERMSHDN_BGN_FLAG_MASK) {
msg_maxim("M98504_INT_THERMSHDN_BGN_FLAG_MASK active!\n");
}
snd_soc_write(codec, MAX98504_REG_04_INTERRUPT_FLAG_CLEARS, flag&0xff);
return IRQ_HANDLED;
}
static int max98506_volume_step_put(struct snd_kcontrol *kcontrol,
struct snd_ctl_elem_value *ucontrol)
{
struct snd_soc_codec *codec = snd_kcontrol_chip(kcontrol);
struct max98506_priv *max98506 = snd_soc_codec_get_drvdata(codec);
struct max98506_volume_step_info *vstep = &max98506->vstep;
int sel = (int)ucontrol->value.integer.value[0];
unsigned int mask = 0;
bool adc_status = vstep->adc_status;
/*
* ADC status will be updated according to the volume.
* Under step 7 : Disable
* Over step 7 : Enable
*/
if (sel <= vstep->adc_thres
&& vstep->adc_status) {
regmap_update_bits(max98506->regmap,
MAX98506_R036_BLOCK_ENABLE,
MAX98506_ADC_VIMON_EN_MASK,
0);
adc_status = !vstep->adc_status;
} else if (sel > vstep->adc_thres
&& !vstep->adc_status) {
regmap_update_bits(max98506->regmap,
MAX98506_R036_BLOCK_ENABLE,
MAX98506_ADC_VIMON_EN_MASK,
MAX98506_ADC_VIMON_EN_MASK);
adc_status = !vstep->adc_status;
} else if (sel > MAX98506_VSTEP_MAX) {
msg_maxim("Unknown value %d", sel);
return -EINVAL;
}
if (adc_status != vstep->adc_status) {
vstep->adc_status = adc_status;
#ifdef CONFIG_SND_SOC_MAXIM_DSM
maxdsm_update_feature_en_adc((int)adc_status);
#endif /* CONFIG_SND_SOC_MAXIM_DSM */
}
/*
* Boost voltage will be updated according to the volume.
* Step 0 ~ Step 13 : 6.5V
* Step 14 : 8.0V
* Over step 15 : 8.5V
*/
mask |= vstep->boost_step[sel];
mask <<= MAX98506_BST_VOUT_SHIFT;
regmap_update_bits(max98506->regmap,
MAX98506_R037_CONFIGURATION,
MAX98506_BST_VOUT_MASK,
mask);
/* Set volume step to ... */
vstep->vol_step = sel;
return 0;
}
static void reg_dump(struct max98925_priv *max98925)
{
int val_l;
int i, j;
static const struct {
int start;
int count;
} reg_table[] = {
{ 0x02, 0x03 },
{ 0x1A, 0x1F },
{ 0x3A, 0x01 },
{ 0x00, 0x00 }
};
i = 0;
while (reg_table[i].count != 0) {
for (j = 0; j < reg_table[i].count; j++) {
int addr = j + reg_table[i].start;
regmap_read(max98925->regmap, addr, &val_l);
msg_maxim("%s: reg 0x%02X, val_l 0x%02X\n",
__func__, addr, val_l);
}
i++;
}
}
static void max98925_set_slave(struct max98925_priv *max98925)
{
msg_maxim("%s: ENTER\n", __func__);
/*
* 1. use BCLK instead of MCLK
*/
regmap_update_bits(max98925->regmap, MAX98925_R01A_DAI_CLK_MODE1,
MAX98925_DAI_CLK_SOURCE_MASK, MAX98925_DAI_CLK_SOURCE_MASK);
/*
* 2. set DAI to slave mode
*/
regmap_update_bits(max98925->regmap, MAX98925_R01B_DAI_CLK_MODE2,
MAX98925_DAI_MAS_MASK, 0);
/*
* 3. set BLCKs to LRCLKs to 64
*/
regmap_update_bits(max98925->regmap, MAX98925_R01B_DAI_CLK_MODE2,
MAX98925_DAI_BSEL_MASK, MAX98925_DAI_BSEL_32);
/*
* 4. set VMON slots
*/
regmap_update_bits(max98925->regmap, MAX98925_R022_DOUT_CFG_VMON,
MAX98925_DAI_VMON_EN_MASK, MAX98925_DAI_VMON_EN_MASK);
regmap_update_bits(max98925->regmap, MAX98925_R022_DOUT_CFG_VMON,
MAX98925_DAI_VMON_SLOT_MASK, MAX98925_DAI_VMON_SLOT_00_01);
/*
* 5. set IMON slots
*/
regmap_update_bits(max98925->regmap, MAX98925_R023_DOUT_CFG_IMON,
MAX98925_DAI_IMON_EN_MASK, MAX98925_DAI_IMON_EN_MASK);
regmap_update_bits(max98925->regmap, MAX98925_R023_DOUT_CFG_IMON,
MAX98925_DAI_IMON_SLOT_MASK, MAX98925_DAI_IMON_SLOT_02_03);
}
static int max98925_dai_digital_mute(struct snd_soc_dai *codec_dai, int mute)
{
struct max98925_priv *max98925
= snd_soc_codec_get_drvdata(codec_dai->codec);
msg_maxim("%s: mute %d\n", __func__, mute);
if (mute) {
regmap_update_bits(max98925->regmap, MAX98925_R02D_GAIN,
MAX98925_SPK_GAIN_MASK, 0x00);
usleep_range(5000, 5000);
regmap_update_bits(max98925->regmap,
MAX98925_R038_GLOBAL_ENABLE, MAX98925_EN_MASK, 0x0);
} else {
regmap_update_bits(max98925->regmap, MAX98925_R02D_GAIN,
MAX98925_SPK_GAIN_MASK, max98925->volume);
regmap_update_bits(max98925->regmap,
MAX98925_R036_BLOCK_ENABLE,
MAX98925_BST_EN_MASK | MAX98925_SPK_EN_MASK |
MAX98925_ADC_IMON_EN_MASK | MAX98925_ADC_VMON_EN_MASK,
MAX98925_BST_EN_MASK | MAX98925_SPK_EN_MASK |
MAX98925_ADC_IMON_EN_MASK | MAX98925_ADC_VMON_EN_MASK);
regmap_write(max98925->regmap, MAX98925_R038_GLOBAL_ENABLE,
MAX98925_EN_MASK);
}
#ifdef USE_REG_DUMP
reg_dump(max98925);
#endif
return 0;
}
static int max98504_remove(struct snd_soc_codec *codec)
{
msg_maxim("\n");
return 0;
}
static void max98506_handle_pdata(struct snd_soc_codec *codec)
{
struct max98506_priv *max98506 = snd_soc_codec_get_drvdata(codec);
struct max98506_pdata *pdata = max98506->pdata;
struct reg_default *reg_chg;
int loop;
int len = pdata->reg_arr_len / sizeof(uint32_t);
if (!pdata) {
dev_dbg(codec->dev, "No platform data\n");
return;
}
if (pdata->reg_arr != NULL) {
for (loop = 0; loop < len; loop += 2) {
reg_chg = (struct reg_default *)&pdata->reg_arr[loop];
msg_maxim("[0x%02x, 0x%02x]",
be32_to_cpu(reg_chg->reg),
be32_to_cpu(reg_chg->def));
regmap_write(max98506->regmap,
be32_to_cpu(reg_chg->reg),
be32_to_cpu(reg_chg->def));
}
}
}
static int max98505_dai_digital_mute(struct snd_soc_dai *codec_dai, int mute)
{
struct max98505_priv *max98505
= snd_soc_codec_get_drvdata(codec_dai->codec);
struct max98505_pdata *pdata = max98505->pdata;
bool action = 1;
if (pdata->capture_active != codec_dai->capture_active) {
pdata->capture_active = codec_dai->capture_active;
action = 0;
}
if (pdata->playback_active != codec_dai->playback_active) {
pdata->playback_active = codec_dai->playback_active;
action = 1;
}
msg_maxim("mute=%d playback_active=%d capture_active=%d action=%d",
mute, pdata->playback_active,
pdata->capture_active, action);
if (action)
__max98505_dai_digital_mute(codec_dai, mute);
#ifdef USE_REG_DUMP
if (action)
reg_dump(max98505);
#endif /* USE_REG_DUMP */
return 0;
}
static irqreturn_t max98504_interrupt(int irq, void *data)
{
struct max98504_priv *max98504 = (struct max98504_priv * )data;
unsigned int mask;
unsigned int flag;
regmap_read(max98504->regmap, MAX98504_REG_03_INTERRUPT_ENABLES, &mask);
regmap_read(max98504->regmap, MAX98504_REG_02_INTERRUPT_FLAGS, &flag);
msg_maxim("flag=0x%02x mask=0x%02x -> flag=0x%02x\n",
flag, mask, flag & mask);
flag &= mask;
if (!flag)
return IRQ_NONE;
/* Send work to be scheduled */
if (flag & M98504_INT_GENFAIL_EN_MASK) {
msg_maxim("M98504_INT_GENFAIL_EN_MASK active!");
}
if (flag & M98504_INT_AUTHDONE_EN_MASK) {
msg_maxim("M98504_INT_AUTHDONE_EN_MASK active!");
}
if (flag & M98504_INT_VBATBROWN_EN_MASK) {
msg_maxim("M98504_INT_VBATBROWN_EN_MASK active!");
}
if (flag & M98504_INT_WATCHFAIL_EN_MASK) {
msg_maxim("M98504_INT_WATCHFAIL_EN_MASK active!");
}
if (flag & M98504_INT_THERMWARN_END_EN_MASK) {
msg_maxim("M98504_INT_THERMWARN_END_EN_MASK active!");
}
if (flag & M98504_INT_THERMWARN_BGN_EN_MASK) {
msg_maxim("M98504_INT_THERMWARN_BGN_EN_MASK active!\n");
}
if (flag & M98504_INT_THERMSHDN_END_EN_MASK) {
msg_maxim("M98504_INT_THERMSHDN_END_EN_MASK active!\n");
}
if (flag & M98504_INT_THERMSHDN_BGN_FLAG_MASK) {
msg_maxim("M98504_INT_THERMSHDN_BGN_FLAG_MASK active!\n");
}
regmap_write(max98504->regmap, MAX98504_REG_04_INTERRUPT_FLAG_CLEARS, flag&0xff);
return IRQ_HANDLED;
}
static int max98506_set_tdm_slot(struct snd_soc_dai *codec_dai,
unsigned int tx_mask, unsigned int rx_mask,
int slots, int slot_width)
{
msg_maxim("tx_mask 0x%X, rx_mask 0x%X, slots %d, slot width %d",
tx_mask, rx_mask, slots, slot_width);
return 0;
}
static int max98925_set_tdm_slot(struct snd_soc_dai *codec_dai,
unsigned int tx_mask, unsigned int rx_mask,
int slots, int slot_width)
{
msg_maxim("%s: tx_mask 0x%X, rx_mask 0x%X, slots %d, slot width %d\n",
__func__, tx_mask, rx_mask, slots, slot_width);
return 0;
}
static int __devexit max98504_i2c_remove(struct i2c_client *client)
{
snd_soc_unregister_codec(&client->dev);
kfree(i2c_get_clientdata(client));
msg_maxim("\n");
return 0;
}
static int max98506_regulator_config(struct device *dev)
{
struct regulator *max98506_vcc_i2c;
int ret;
max98506_vcc_i2c = regulator_get(dev, "vcc_i2c");
if (IS_ERR(max98506_vcc_i2c)) {
ret = PTR_ERR(max98506_vcc_i2c);
dev_err(dev, "%s: regulator get failed ret=%d\n",
__func__, ret);
goto err_get_vtg_i2c;
}
if (regulator_count_voltages(max98506_vcc_i2c) > 0) {
ret = regulator_set_voltage(max98506_vcc_i2c,
VCC_I2C_MIN_UV, VCC_I2C_MAX_UV);
if (ret) {
dev_err(dev, "%s: regulator set_vtg failed ret=%d\n",
__func__, ret);
goto err_set_vtg_i2c;
}
}
ret = reg_set_optimum_mode_check(max98506_vcc_i2c, I2C_LOAD_UA);
if (ret < 0) {
dev_err(dev, "%s: regulator vcc_i2c set_opt failed ret=%d\n",
__func__, ret);
goto err_reg_opt_i2c;
}
ret = regulator_enable(max98506_vcc_i2c);
if (ret) {
dev_err(dev, "%s: regulator vcc_i2c enable failed ret=%d\n",
__func__, ret);
goto err_reg_en_vcc_i2c;
}
msg_maxim("min_uv:%d max_uv:%d load_ua:%d",
VCC_I2C_MIN_UV, VCC_I2C_MAX_UV, I2C_LOAD_UA);
return 0;
err_set_vtg_i2c:
regulator_put(max98506_vcc_i2c);
err_get_vtg_i2c:
if (regulator_count_voltages(max98506_vcc_i2c) > 0)
regulator_set_voltage(max98506_vcc_i2c, 0, VCC_I2C_MAX_UV);
err_reg_en_vcc_i2c:
reg_set_optimum_mode_check(max98506_vcc_i2c, 0);
err_reg_opt_i2c:
regulator_disable(max98506_vcc_i2c);
return ret;
}
static int max98925_i2c_probe(struct i2c_client *i2c_l,
const struct i2c_device_id *id)
{
struct max98925_priv *max98925;
int ret;
msg_maxim("%s: enter, device '%s'\n", __func__, id->name);
max98925 = kzalloc(sizeof(struct max98925_priv), GFP_KERNEL);
if (max98925 == NULL)
return -ENOMEM;
max98925->devtype = id->driver_data;
i2c_set_clientdata(i2c_l, max98925);
max98925->control_data = i2c_l;
max98925->pdata = i2c_l->dev.platform_data;
max98925->regmap = regmap_init_i2c(i2c_l, &max98925_regmap);
if (IS_ERR(max98925->regmap)) {
ret = PTR_ERR(max98925->regmap);
dev_err(&i2c_l->dev, "Failed to allocate regmap: %d\n", ret);
goto err_out;
}
ret = snd_soc_register_codec(&i2c_l->dev, &soc_codec_dev_max98925,
max98925_dai, ARRAY_SIZE(max98925_dai));
err_out:
if (ret < 0) {
if (max98925->regmap)
regmap_exit(max98925->regmap);
kfree(max98925);
}
#ifdef CONFIG_SND_SOC_MAXIM_DSM
maxdsm_init();
#endif
msg_maxim("%s: ret %d\n", __func__, ret);
return ret;
}
static int max98504_regulator_config(struct i2c_client *i2c,
bool pullup, bool on)
{
struct regulator *max98504_vcc_i2c;
int rc;
#define VCC_I2C_MIN_UV 1800000
#define VCC_I2C_MAX_UV 1800000
#define I2C_LOAD_UA 300000
msg_maxim("pullup=%d\n", pullup);
if (pullup) {
max98504_vcc_i2c = regulator_get(&i2c->dev, "vcc_i2c");
if (IS_ERR(max98504_vcc_i2c)) {
rc = PTR_ERR(max98504_vcc_i2c);
pr_err("Regulator get failed rc=%d\n", rc);
return rc;
}
if (regulator_count_voltages(max98504_vcc_i2c) > 0) {
rc = regulator_set_voltage(max98504_vcc_i2c,
VCC_I2C_MIN_UV, VCC_I2C_MAX_UV);
if (rc) {
pr_err("regulator set_vtg failed rc=%d\n", rc);
goto error_set_vtg_i2c;
}
}
rc = reg_set_optimum_mode_check(max98504_vcc_i2c, I2C_LOAD_UA);
if (rc < 0) {
pr_err("Regulator vcc_i2c set_opt failed rc=%d\n", rc);
goto error_reg_opt_i2c;
}
rc = regulator_enable(max98504_vcc_i2c);
if (rc) {
pr_err("Regulator vcc_i2c enable failed rc=%d\n", rc);
goto error_reg_en_vcc_i2c;
}
}
return 0;
error_reg_en_vcc_i2c:
if (pullup)
reg_set_optimum_mode_check(max98504_vcc_i2c, 0);
error_reg_opt_i2c:
regulator_disable(max98504_vcc_i2c);
error_set_vtg_i2c:
regulator_put(max98504_vcc_i2c);
return rc;
}
static int max98504_add_widgets(struct snd_soc_codec *codec)
{
//struct max98504_priv *max98504 = snd_soc_codec_get_drvdata(codec);
msg_maxim("\n");
snd_soc_add_codec_controls(codec, max98504_snd_controls,
ARRAY_SIZE(max98504_snd_controls));
return 0;
}
static int max98506_spk_out_put(struct snd_kcontrol *kcontrol,
struct snd_ctl_elem_value *ucontrol) {
struct snd_soc_codec *codec = snd_kcontrol_chip(kcontrol);
struct max98506_priv *max98506 = snd_soc_codec_get_drvdata(codec);
int enable = !!ucontrol->value.integer.value[0];
max98506_spk_enable(max98506, enable);
msg_maxim("Speaker was set by '%s'", spk_state_text[enable]);
return 0;
}
static int max98925_dai_set_sysclk(struct snd_soc_dai *dai,
int clk_id, unsigned int freq, int dir)
{
struct snd_soc_codec *codec = dai->codec;
struct max98925_priv *max98925 = snd_soc_codec_get_drvdata(codec);
msg_maxim("%s: clk_id %d, freq %d, dir %d\n",
__func__, clk_id, freq, dir);
max98925->sysclk = freq;
return 0;
}
static int max98506_dai_set_sysclk(struct snd_soc_dai *dai,
int clk_id, unsigned int freq, int dir)
{
struct snd_soc_codec *codec = dai->codec;
struct max98506_priv *max98506 = snd_soc_codec_get_drvdata(codec);
struct max98506_pdata *pdata = max98506->pdata;
msg_maxim("clk_id %d, freq %d, dir %d", clk_id, freq, dir);
pdata->sysclk = freq;
return 0;
}
static int max98504_rxpcm_gain_get(struct snd_kcontrol *kcontrol,
struct snd_ctl_elem_value *ucontrol)
{
struct snd_soc_codec *codec = snd_kcontrol_chip(kcontrol);
unsigned int val = snd_soc_read(codec, MAX98504_REG_25_PCM_DSP_CONFIG);
val = (val & M98504_PCM_DSP_CFG_RX_GAIN_MASK) >> M98504_PCM_DSP_CFG_RX_GAIN_SHIFT;
ucontrol->value.integer.value[0] = val;
msg_maxim("val=%d\n",val);
return 0;
}
static int max98504_ain_gain_get(struct snd_kcontrol *kcontrol,
struct snd_ctl_elem_value *ucontrol)
{
struct snd_soc_codec *codec = snd_kcontrol_chip(kcontrol);
unsigned int val = snd_soc_read(codec, MAX98504_REG_37_ANALOGUE_INPUT_GAIN);
val = (val & M98504_ANALOG_INPUT_GAIN_MASK) >> M98504_ANALOG_INPUT_GAIN_SHIFT;
ucontrol->value.integer.value[0] = val;
msg_maxim("val=%d\n",val);
return 0;
}
static int max98504_dai_hw_params(struct snd_pcm_substream *substream,
struct snd_pcm_hw_params *params,
struct snd_soc_dai *dai)
{
struct snd_soc_codec *codec = dai->codec;
struct max98504_priv *max98504 = snd_soc_codec_get_drvdata(codec);
struct max98504_cdata *cdata;
unsigned int rate;
u8 regval;
msg_maxim("\n");
cdata = &max98504->dai[0];
rate = params_rate(params);
switch (params_format(params)) {
case SNDRV_PCM_FORMAT_S8:
snd_soc_update_bits(codec, MAX98504_REG_24_PCM_MODE_CONFIG,
M98504_PCM_MODE_CFG_CH_SIZE_MASK, M98504_PCM_MODE_CFG_CH_SIZE_8_MASK);
break;
case SNDRV_PCM_FORMAT_S16_LE:
snd_soc_update_bits(codec, MAX98504_REG_24_PCM_MODE_CONFIG,
M98504_PCM_MODE_CFG_CH_SIZE_MASK, M98504_PCM_MODE_CFG_CH_SIZE_16_MASK);
break;
case SNDRV_PCM_FORMAT_S24_LE:
snd_soc_update_bits(codec, MAX98504_REG_24_PCM_MODE_CONFIG,
M98504_PCM_MODE_CFG_CH_SIZE_MASK, M98504_PCM_MODE_CFG_CH_SIZE_24_MASK);
break;
case SNDRV_PCM_FORMAT_S32_LE:
snd_soc_update_bits(codec, MAX98504_REG_24_PCM_MODE_CONFIG,
M98504_PCM_MODE_CFG_CH_SIZE_MASK, M98504_PCM_MODE_CFG_CH_SIZE_32_MASK);
break;
default:
return -EINVAL;
}
if (rate_value(rate, ®val))
return -EINVAL;
/* Update sample rate mode */
snd_soc_update_bits(codec, MAX98504_REG_27_PCM_SAMPLE_RATE_SETUP,
M98504_PCM_SR_SETUP_SPK_SR_MASK, regval<<M98504_PCM_SR_SETUP_SPK_SR_SHIFT);
snd_soc_update_bits(codec, MAX98504_REG_27_PCM_SAMPLE_RATE_SETUP,
M98504_PCM_SR_SETUP_MEAS_SR_MASK, regval<<M98504_PCM_SR_SETUP_MEAS_SR_SHIFT);
return 0;
}
static int max98504_resume(struct snd_soc_codec *codec)
{
msg_maxim("\n");
if(max98504_vcc_i2c)
{
int rc;
rc = regulator_enable(max98504_vcc_i2c);
if (rc) {
pr_err("Regulator vcc_i2c enable failed rc=%d\n", rc);
return rc;
}
}
return 0;
}
static int max98506_spk_out_get(struct snd_kcontrol *kcontrol,
struct snd_ctl_elem_value *ucontrol) {
struct snd_soc_codec *codec = snd_kcontrol_chip(kcontrol);
struct max98506_priv *max98506 = snd_soc_codec_get_drvdata(codec);
unsigned int val;
regmap_read(max98506->regmap,
MAX98506_R038_GLOBAL_ENABLE, &val);
ucontrol->value.integer.value[0] = !!(val & MAX98506_EN_MASK);
msg_maxim("The status of speaker is '%s'",
spk_state_text[ucontrol->value.integer.value[0]]);
return 0;
}
static void max98925_set_master(struct max98925_priv *max98925)
{
msg_maxim("%s: ENTER\n", __func__);
/*
* 1. use MCLK for Left channel, right channel always BCLK
*/
regmap_update_bits(max98925->regmap, MAX98925_R01A_DAI_CLK_MODE1,
MAX98925_DAI_CLK_SOURCE_MASK, 0);
/*
* 2. set left channel DAI to master mode, right channel always slave
*/
regmap_update_bits(max98925->regmap, MAX98925_R01B_DAI_CLK_MODE2,
MAX98925_DAI_MAS_MASK, MAX98925_DAI_MAS_MASK);
}
static void max98506_set_master(struct max98506_priv *max98506)
{
msg_maxim("enter");
/*
* 1. use MCLK for Left channel, right channel always BCLK
*/
regmap_update_bits(max98506->regmap, MAX98506_R01A_DAI_CLK_MODE1,
MAX98506_DAI_CLK_SOURCE_MASK, 0);
/*
* 2. set left channel DAI to master mode, right channel always slave
*/
regmap_update_bits(max98506->regmap, MAX98506_R01B_DAI_CLK_MODE2,
MAX98506_DAI_MAS_MASK, MAX98506_DAI_MAS_MASK);
}
