/*
* change the rate of AK4524 on Delta 44/66, AP, 1010LT
*/
static void delta_ak4524_set_rate_val(struct snd_akm4xxx *ak, unsigned int rate)
{
unsigned char tmp, tmp2;
struct snd_ice1712 *ice = ak->private_data[0];
if (rate == 0) /* no hint - S/PDIF input is master, simply return */
return;
/* check before reset ak4524 to avoid unnecessary clicks */
mutex_lock(&ice->gpio_mutex);
tmp = snd_ice1712_read(ice, ICE1712_IREG_GPIO_DATA);
mutex_unlock(&ice->gpio_mutex);
tmp2 = tmp & ~ICE1712_DELTA_DFS;
if (rate > 48000)
tmp2 |= ICE1712_DELTA_DFS;
if (tmp == tmp2)
return;
/* do it again */
snd_akm4xxx_reset(ak, 1);
mutex_lock(&ice->gpio_mutex);
tmp = snd_ice1712_read(ice, ICE1712_IREG_GPIO_DATA) & ~ICE1712_DELTA_DFS;
if (rate > 48000)
tmp |= ICE1712_DELTA_DFS;
snd_ice1712_write(ice, ICE1712_IREG_GPIO_DATA, tmp);
mutex_unlock(&ice->gpio_mutex);
snd_akm4xxx_reset(ak, 0);
}
/* assert chip select */
static unsigned char ap_cs8427_codec_select(struct snd_ice1712 *ice)
{
unsigned char tmp;
tmp = snd_ice1712_read(ice, ICE1712_IREG_GPIO_DATA);
switch (ice->eeprom.subvendor) {
case ICE1712_SUBDEVICE_DELTA1010E:
case ICE1712_SUBDEVICE_DELTA1010LT:
tmp &= ~ICE1712_DELTA_1010LT_CS;
tmp |= ICE1712_DELTA_1010LT_CCLK | ICE1712_DELTA_1010LT_CS_CS8427;
break;
case ICE1712_SUBDEVICE_AUDIOPHILE:
case ICE1712_SUBDEVICE_DELTA410:
tmp |= ICE1712_DELTA_AP_CCLK | ICE1712_DELTA_AP_CS_CODEC;
tmp &= ~ICE1712_DELTA_AP_CS_DIGITAL;
break;
case ICE1712_SUBDEVICE_DELTA66E:
tmp |= ICE1712_DELTA_66E_CCLK | ICE1712_DELTA_66E_CS_CHIP_A |
ICE1712_DELTA_66E_CS_CHIP_B;
tmp &= ~ICE1712_DELTA_66E_CS_CS8427;
break;
case ICE1712_SUBDEVICE_VX442:
tmp |= ICE1712_VX442_CCLK | ICE1712_VX442_CODEC_CHIP_A | ICE1712_VX442_CODEC_CHIP_B;
tmp &= ~ICE1712_VX442_CS_DIGITAL;
break;
}
snd_ice1712_write(ice, ICE1712_IREG_GPIO_DATA, tmp);
udelay(5);
return tmp;
}
/*
* change the DFS bit according rate for Delta1010
*/
static void delta_1010_set_rate_val(struct snd_ice1712 *ice, unsigned int rate)
{
unsigned char tmp, tmp2;
if (rate == 0) /* no hint - S/PDIF input is master, simply return */
return;
mutex_lock(&ice->gpio_mutex);
tmp = snd_ice1712_read(ice, ICE1712_IREG_GPIO_DATA);
tmp2 = tmp & ~ICE1712_DELTA_DFS;
if (rate > 48000)
tmp2 |= ICE1712_DELTA_DFS;
if (tmp != tmp2)
snd_ice1712_write(ice, ICE1712_IREG_GPIO_DATA, tmp2);
mutex_unlock(&ice->gpio_mutex);
}
static int snd_ice1712_capture_trigger(struct snd_pcm_substream *substream,
int cmd)
{
struct snd_ice1712 *ice = snd_pcm_substream_chip(substream);
int result = 0;
u8 tmp;
spin_lock(&ice->reg_lock);
tmp = snd_ice1712_read(ice, ICE1712_IREG_CAP_CTRL);
if (cmd == SNDRV_PCM_TRIGGER_START) {
tmp |= 1;
} else if (cmd == SNDRV_PCM_TRIGGER_STOP) {
tmp &= ~1;
} else {
result = -EINVAL;
}
sn
/* read 8 bits */
static unsigned char ap_cs8427_read_byte(struct snd_ice1712 *ice, unsigned char tmp)
{
unsigned char data = 0;
int idx;
for (idx = 7; idx >= 0; idx--) {
tmp &= ~ICE1712_DELTA_AP_CCLK;
snd_ice1712_write(ice, ICE1712_IREG_GPIO_DATA, tmp);
udelay(5);
if (snd_ice1712_read(ice, ICE1712_IREG_GPIO_DATA) & ICE1712_DELTA_AP_DIN)
data |= 1 << idx;
tmp |= ICE1712_DELTA_AP_CCLK;
snd_ice1712_write(ice, ICE1712_IREG_GPIO_DATA, tmp);
udelay(5);
}
return data;
}
static void snd_ice1712_delta_cs8403_spdif_write(struct snd_ice1712 *ice, unsigned char bits)
{
unsigned char tmp, mask1, mask2;
int idx;
/* send byte to transmitter */
mask1 = ICE1712_DELTA_SPDIF_OUT_STAT_CLOCK;
mask2 = ICE1712_DELTA_SPDIF_OUT_STAT_DATA;
mutex_lock(&ice->gpio_mutex);
tmp = snd_ice1712_read(ice, ICE1712_IREG_GPIO_DATA);
for (idx = 7; idx >= 0; idx--) {
tmp &= ~(mask1 | mask2);
if (bits & (1 << idx))
tmp |= mask2;
snd_ice1712_write(ice, ICE1712_IREG_GPIO_DATA, tmp);
udelay(100);
tmp |= mask1;
snd_ice1712_write(ice, ICE1712_IREG_GPIO_DATA, tmp);
udelay(100);
}
tmp &= ~mask1;
snd_ice1712_write(ice, ICE1712_IREG_GPIO_DATA, tmp);
mutex_unlock(&ice->gpio_mutex);
}
static int snd_ice1712_playback_trigger(struct snd_pcm_substream *substream,
int cmd)
{
struct snd_ice1712 *ice = snd_pcm_substream_chip(substream);
int result = 0;
u32 tmp;
spin_lock(&ice->reg_lock);
tmp = snd_ice1712_read(ice, ICE1712_IREG_PBK_CTRL);
if (cmd == SNDRV_PCM_TRIGGER_START) {
tmp |= 1;
} else if (cmd == SNDRV_PCM_TRIGGER_STOP) {
tmp &= ~1;
} else if (cmd == SNDRV_PCM_TRIGGER_PAUSE_PUSH) {
tmp |= 2;
} else if (cmd == SNDRV_PCM_TRIGGER_PAUSE_RELEASE) {
tmp &= ~2;
} else {
result = -EINVAL;
}
snd_ice1712_write(ice, ICE1712_IREG_PBK_CTRL, tmp);
spin_unlock(&ice->reg_lock);
return result;
}
static unsigned int snd_ice1712_get_gpio_data(struct snd_ice1712 *ice)
{
return snd_ice1712_read(ice, ICE1712_IREG_GPIO_DATA);
}
static unsigned int snd_ice1712_get_gpio_mask(struct snd_ice1712 *ice)
{
return snd_ice1712_read(ice, ICE1712_IREG_GPIO_WRITE_MASK);
}
static unsigned int snd_ice1712_get_gpio_dir(struct snd_ice1712 *ice)
{
return snd_ice1712_read(ice, ICE1712_IREG_GPIO_DIRECTION);
}
static int __devinit snd_ice1712_delta_init(struct snd_ice1712 *ice)
{
int err;
struct snd_akm4xxx *ak;
unsigned char tmp;
if (ice->eeprom.subvendor == ICE1712_SUBDEVICE_DELTA1010 &&
ice->eeprom.gpiodir == 0x7b)
ice->eeprom.subvendor = ICE1712_SUBDEVICE_DELTA1010E;
if (ice->eeprom.subvendor == ICE1712_SUBDEVICE_DELTA66 &&
ice->eeprom.gpiodir == 0xfb)
ice->eeprom.subvendor = ICE1712_SUBDEVICE_DELTA66E;
/* determine I2C, DACs and ADCs */
switch (ice->eeprom.subvendor) {
case ICE1712_SUBDEVICE_AUDIOPHILE:
ice->num_total_dacs = 2;
ice->num_total_adcs = 2;
break;
case ICE1712_SUBDEVICE_DELTA410:
ice->num_total_dacs = 8;
ice->num_total_adcs = 2;
break;
case ICE1712_SUBDEVICE_DELTA44:
case ICE1712_SUBDEVICE_DELTA66:
ice->num_total_dacs = ice->omni ? 8 : 4;
ice->num_total_adcs = ice->omni ? 8 : 4;
break;
case ICE1712_SUBDEVICE_DELTA1010:
case ICE1712_SUBDEVICE_DELTA1010E:
case ICE1712_SUBDEVICE_DELTA1010LT:
case ICE1712_SUBDEVICE_MEDIASTATION:
case ICE1712_SUBDEVICE_EDIROLDA2496:
ice->num_total_dacs = 8;
ice->num_total_adcs = 8;
break;
case ICE1712_SUBDEVICE_DELTADIO2496:
ice->num_total_dacs = 4; /* two AK4324 codecs */
break;
case ICE1712_SUBDEVICE_VX442:
case ICE1712_SUBDEVICE_DELTA66E: /* omni not suported yet */
ice->num_total_dacs = 4;
ice->num_total_adcs = 4;
break;
}
/* initialize the SPI clock to high */
tmp = snd_ice1712_read(ice, ICE1712_IREG_GPIO_DATA);
tmp |= ICE1712_DELTA_AP_CCLK;
snd_ice1712_write(ice, ICE1712_IREG_GPIO_DATA, tmp);
udelay(5);
/* initialize spdif */
switch (ice->eeprom.subvendor) {
case ICE1712_SUBDEVICE_AUDIOPHILE:
case ICE1712_SUBDEVICE_DELTA410:
case ICE1712_SUBDEVICE_DELTA1010E:
case ICE1712_SUBDEVICE_DELTA1010LT:
case ICE1712_SUBDEVICE_VX442:
case ICE1712_SUBDEVICE_DELTA66E:
if ((err = snd_i2c_bus_create(ice->card, "ICE1712 GPIO 1", NULL, &ice->i2c)) < 0) {
snd_printk(KERN_ERR "unable to create I2C bus\n");
return err;
}
ice->i2c->private_data = ice;
ice->i2c->ops = &ap_cs8427_i2c_ops;
if ((err = snd_ice1712_init_cs8427(ice, CS8427_BASE_ADDR)) < 0)
return err;
break;
case ICE1712_SUBDEVICE_DELTA1010:
case ICE1712_SUBDEVICE_MEDIASTATION:
ice->gpio.set_pro_rate = delta_1010_set_rate_val;
break;
case ICE1712_SUBDEVICE_DELTADIO2496:
ice->gpio.set_pro_rate = delta_1010_set_rate_val;
/* fall thru */
case ICE1712_SUBDEVICE_DELTA66:
ice->spdif.ops.open = delta_open_spdif;
ice->spdif.ops.setup_rate = delta_setup_spdif;
ice->spdif.ops.default_get = delta_spdif_default_get;
ice->spdif.ops.default_put = delta_spdif_default_put;
ice->spdif.ops.stream_get = delta_spdif_stream_get;
ice->spdif.ops.stream_put = delta_spdif_stream_put;
/* Set spdif defaults */
snd_ice1712_delta_cs8403_spdif_write(ice, ice->spdif.cs8403_bits);
break;
}
/* no analog? */
switch (ice->eeprom.subvendor) {
case ICE1712_SUBDEVICE_DELTA1010:
case ICE1712_SUBDEVICE_DELTA1010E:
case ICE1712_SUBDEVICE_DELTADIO2496:
case ICE1712_SUBDEVICE_MEDIASTATION:
return 0;
}
/* second stage of initialization, analog parts and others */
ak = ice->akm = kmalloc(sizeof(struct snd_akm4xxx), GFP_KERNEL);
if (! ak)
return -ENOMEM;
ice->akm_codecs = 1;
switch (ice->eeprom.subvendor) {
case ICE1712_SUBDEVICE_AUDIOPHILE:
err = snd_ice1712_akm4xxx_init(ak, &akm_audiophile, &akm_audiophile_priv, ice);
break;
case ICE1712_SUBDEVICE_DELTA410:
err = snd_ice1712_akm4xxx_init(ak, &akm_delta410, &akm_delta410_priv, ice);
break;
case ICE1712_SUBDEVICE_DELTA1010LT:
case ICE1712_SUBDEVICE_EDIROLDA2496:
err = snd_ice1712_akm4xxx_init(ak, &akm_delta1010lt, &akm_delta1010lt_priv, ice);
break;
case ICE1712_SUBDEVICE_DELTA66:
case ICE1712_SUBDEVICE_DELTA44:
err = snd_ice1712_akm4xxx_init(ak, &akm_delta44, &akm_delta44_priv, ice);
break;
case ICE1712_SUBDEVICE_VX442:
err = snd_ice1712_akm4xxx_init(ak, &akm_vx442, &akm_vx442_priv, ice);
break;
case ICE1712_SUBDEVICE_DELTA66E:
err = snd_ice1712_akm4xxx_init(ak, &akm_delta66e, &akm_delta66e_priv, ice);
break;
default:
snd_BUG();
return -EINVAL;
}
return err;
}
