void aic3008_CodecInit()
{
AUD_DBG("aic3008_CodecInit: start\n");
pwr_up_time = ktime_to_ms(ktime_get());
pr_device_power_on();
// aic3008 power up
aic3008_power_ctl->powerinit();
// close mic
aic3008_MicSwitch(0);
spi_write_table_parsepage(POWER_UP_SEQ, ARRAY_SIZE(POWER_UP_SEQ));
AUD_DBG("***** SPI CMD: Power Up Seq *****\n");
AUD_DBG("Audio Codec Power Up takes %lld ms\n",
ktime_to_ms(ktime_get()) - pwr_up_time);
#if AUDIO_DEBUG_BEEP
mdelay(100);
spi_write_table_parsepage(GENERATE_BEEP_LEFT_SPK, ARRAY_SIZE(GENERATE_BEEP_LEFT_SPK));
AUD_DBG("***** SPI CMD: BEEP *****\n");
mdelay(300);
spi_write_table_parsepage(CODEC_SW_RESET, ARRAY_SIZE(CODEC_SW_RESET));
#endif
aic3008_rx_mode = DOWNLINK_PATH_OFF;
aic3008_tx_mode = UPLINK_PATH_OFF;
}
/* Access function pointed by ctl_ops to call control operations */
static int aic3008_config(CODEC_SPI_CMD *cmds, int size)
{
int i, retry, ret;
unsigned char data;
if(!aic3008_power_ctl->isPowerOn)
{
AUD_INFO("aic3008_config: AIC3008 is power off now");
return -EINVAL;
}
if (!codec_spi_dev) {
AUD_ERR("no spi device\n");
return -EFAULT;
}
if (cmds == NULL) {
AUD_ERR("invalid spi parameters\n");
return -EINVAL;
}
/* large dsp image use bulk mode to transfer */
if (size < 1000) {
for (i = 0; i < size; i++) {
switch (cmds[i].act) {
case 'w':
codec_spi_write(cmds[i].reg, cmds[i].data, true);
break;
case 'r':
for (retry = AIC3008_MAX_RETRY; retry > 0; retry--) {
ret = codec_spi_read(cmds[i].reg, &data, true);
if (ret < 0) {
AUD_ERR("read fail %d, retry\n", ret);
hr_msleep(1);
} else if (data == cmds[i].data) {
AUD_DBG("data == cmds\n");
break;
}
}
if (retry <= 0)
AUD_DBG("3008 power down procedure,"
" flag 0x%02X=0x%02X(0x%02X)\n",
cmds[i].reg, ret, cmds[i].data);
break;
case 'd':
msleep(cmds[i].data);
break;
default:
break;
}
}
} else {
/* use bulk to transfer large data */
spi_write_table_parsepage(cmds, size);
AUD_DBG("Here is bulk mode\n");
}
return 0;
}
static int aic3254_config(CODEC_SPI_CMD *cmds, int size)
{
int i, retry, ret;
unsigned char data;
if (ctl_ops->spibus_enable)
ctl_ops->spibus_enable(1);
if (!codec_dev) {
pr_aud_err("%s: no spi device\n", __func__);
return -EFAULT;
}
if (cmds == NULL) {
pr_aud_err("%s: invalid spi parameters\n", __func__);
return -EINVAL;
}
/* when LCM power is off, spi transmission would fail sometime */
if (suspend_flag && ctl_ops->panel_sleep_in) {
ret = ctl_ops->panel_sleep_in();
suspend_flag = 0;
if (ret < 0)
pr_aud_err("%s: cannot make panel awake,"
"it might failed on transmit SPI command\n"
, __func__);
else
pr_aud_info("%s: success on invoking panel_sleep_in\n"
, __func__);
}
/* large dsp image use bulk mode to transfer */
/* avoid to bulk transfer on spi use ext_gpio_cs project */
if (size < 1000) {
for (i = 0; i < size; i++) {
switch (cmds[i].act) {
case 'w':
codec_spi_write(cmds[i].reg, cmds[i].data);
break;
case 'r':
for (retry = AIC3254_MAX_RETRY; retry > 0; retry--) {
ret = codec_spi_read(cmds[i].reg, &data);
if (ret < 0)
pr_aud_err("%s: read fail %d, retry\n",
__func__, ret);
else if (data == cmds[i].data)
break;
hr_msleep(1);
}
if (retry <= 0)
pr_aud_info("3254 power down procedure"
" ,flag 0x%02X=0x%02X(0x%02X)\n",
cmds[i].reg,
ret, cmds[i].data);
break;
case 'd':
hr_msleep(cmds[i].data);
break;
default:
break;
}
}
} else {
/* use bulk to transfer large data */
if (codec_dev->ext_gpio_cs != 0)
spi_write_table_parsepage(cmds, size);
else
spi_write_table(cmds, size);
}
if (ctl_ops->spibus_enable)
ctl_ops->spibus_enable(0);
return 0;
}
