static int marimba_write_u8(struct marimba_tsadc *tsadc, u8 reg, u8 data)
{
int rc;
tsadc->marimba->mod_id = MARIMBA_SLAVE_ID_MARIMBA;
rc = marimba_write(tsadc->marimba, reg, &data, 1);
if (!rc)
dev_warn(tsadc->dev, "Error writing marimba reg %X - ret %X\n",
reg, data);
return 0;
}
int timpani_reset(void)
{
struct marimba *marimba = &marimba_modules[MARIMBA_SLAVE_ID_MARIMBA];
struct marimba_platform_data *pdata = marimba_pdata;
int rc = 0;
u8 buf[1];
buf[0] = 0x10;
mutex_lock(&marimba->xfer_lock);
rc = pdata->timpani_reset_config();
mutex_unlock(&marimba->xfer_lock);
marimba_write(marimba, MARIMBA_MODE, buf, 1);
return rc;
}
void adie_enable(void)
{
struct i2c_client *client = marimba_client;
marimba_vreg_enable();
marimba_write(client, 0xff, 0x08); /* bring up codec */
marimba_write(client, 0xff, 0x0a); /* GDFS_EN_FEW=1 */
marimba_write(client, 0xff, 0x0e); /* GDFS_EN_REST=1 */
marimba_write(client, 0xff, 0x07); /* RESET_N=1 */
marimba_write(client, 0xff, 0x17); /* clock enable */
marimba_write(client, 0x03, 0x04); /* enable band gap */
marimba_write(client, 0x8F, 0x44); /* dither delay select, dmic gain bypass */
msleep(100);
adie_load(client, init_rx);
adie_load(client, init_speaker_48k_256_stereo);
}
static int marimba_debugfs_set(void *data, u64 val)
{
struct adie_dbg_device *dbgdev = data;
u8 reg = val;
int rc;
struct marimba marimba_id;
mutex_lock(&dbgdev->dbg_mutex);
rc = check_addr(dbgdev->addr, __func__);
if (rc)
goto done;
marimba_id.mod_id = dbgdev->mod_id;
rc = marimba_write(&marimba_id, dbgdev->addr, ®, 1);
rc = (rc == 1) ? 0 : rc;
if (rc)
pr_err("%s: FAIL marimba_write(0x%03X)=0x%02X: rc=%d\n",
__func__, dbgdev->addr, reg, rc);
done:
mutex_unlock(&dbgdev->dbg_mutex);
return rc;
}
/**
* This function provides interface to change the mode of operation
* from I2S mode to AUX PCM or vice versa. This function programs the
* wcn2243 registers to TRISTATE or ON mode.
*
* @return int - negative number on failure.
*
*/
static int switch_pins( int fd, int nPath )
{
unsigned char value =0;
unsigned char reg =0;
int retval = -1;
unsigned char set = I2C_PIN_CTL; // SET PIN CTL mode
unsigned char unset = I2C_NORMAL; // UNSET PIN CTL MODE
if(nPath == MODE_FM ) {
// as we need to switch path to FM we need to move
// BT AUX PCM lines to PIN CONTROL mode then move
// FM to normal mode.
for( reg = BT_PCM_BCLK_MODE; reg <= BT_PCM_SYNC_MODE; reg++ ) {
#ifdef DEBUG_CHK
retval = marimba_read(fd, reg,&value, 1);
ALOGD("value read is:%d\n",value);
#endif
retval = marimba_write(fd, reg, &set,1);
if (retval < 0) {
goto err_all;
}
}
for( reg = FM_I2S_SD_MODE; reg <= FM_I2S_SCK_MODE; reg++ ) {
#ifdef DEBUG_CHK
retval = marimba_read(fd, reg,&value, 1);
ALOGD("value read is:%d\n",value);
#endif
retval = marimba_write(fd, reg, &unset,1);
if (retval < 0) {
goto err_all;
}
}
} else {
// as we need to switch path to AUXPCM we need to move
// FM I2S lines to PIN CONTROL mode then move
// BT AUX_PCM to normal mode.
for( reg = FM_I2S_SD_MODE; reg <= FM_I2S_SCK_MODE; reg++ ) {
#ifdef DEBUG_CHK
retval = marimba_read(fd, reg,&value, 1);
ALOGD("value read is:%d\n",value);
#endif
retval = marimba_write(fd, reg, &set,1);
if (retval < 0) {
goto err_all;
}
}
for( reg = BT_PCM_BCLK_MODE; reg <= BT_PCM_SYNC_MODE; reg++ ) {
#ifdef DEBUG_CHK
retval = marimba_read(fd, reg,&value, 1);
ALOGD("value read is:%d\n",value);
#endif
retval = marimba_write(fd, reg, &unset,1);
if (retval < 0) {
goto err_all;
}
}
}
ALOGD("switch pin called with : %d\n",nPath);
return 0;
err_all:
return retval;
}