static inline void stop_i2s_playback(struct snd_soc_dai *cpu_dai)
{
i2s_set_fifo_irq_on_err(cpu_dai->id, I2S_FIFO_TX, 0);
i2s_set_fifo_irq_on_qe(cpu_dai->id, I2S_FIFO_TX, 0);
i2s_fifo_enable(cpu_dai->id, I2S_FIFO_TX, 0);
while (i2s_get_status(cpu_dai->id) & I2S_I2S_FIFO_TX_BUSY);
}
/* recording */
static inline void start_i2s_capture(struct snd_soc_dai *cpu_dai)
{
i2s_fifo_set_attention_level(cpu_dai->id, I2S_FIFO_RX,
I2S_FIFO_ATN_LVL_FOUR_SLOTS);
i2s_fifo_enable(cpu_dai->id, I2S_FIFO_RX, 1);
}
int tegra_das_set_connection(enum tegra_das_port_con_id new_con_id)
{
struct am_ch_info *ch1 = NULL, *ch2 = NULL;
int dev_id1 = 0, dev_id2 = 0;
int damch = 0;
struct audio_dev_property dev1_prop, dev2_prop;
int break_voicecall = 0, break_voicecallbt = 0;
int make_voicecall = 0, make_voicecallbt = 0;
AM_DEBUG_PRINT("%s++\n", __func__);
if (new_con_id == tegra_das_port_con_id_voicecall_no_bt) {
if (aud_manager->cur_conn ==
tegra_das_port_con_id_voicecall_with_bt) {
break_voicecallbt = 1;
}
make_voicecall = 1;
} else if (new_con_id == tegra_das_port_con_id_voicecall_with_bt) {
if (aud_manager->cur_conn ==
tegra_das_port_con_id_voicecall_no_bt) {
break_voicecall = 1;
}
make_voicecallbt = 1;
} else if (new_con_id == tegra_das_port_con_id_hifi) {
if (aud_manager->cur_conn ==
tegra_das_port_con_id_voicecall_no_bt) {
break_voicecall = 1;
} else if (aud_manager->cur_conn ==
tegra_das_port_con_id_voicecall_with_bt) {
break_voicecallbt = 1;
}
} else if (new_con_id == tegra_das_port_con_id_bt_codec) {
if (aud_manager->cur_conn ==
tegra_das_port_con_id_voicecall_with_bt) {
break_voicecallbt = 1;
} else if (aud_manager->cur_conn ==
tegra_das_port_con_id_voicecall_no_bt) {
break_voicecall = 1;
}
}
/*break old connections and make new connections*/
if (break_voicecall == 1) {
dev_id1 = aud_manager->hifi_port_idx;
ch1 = &aud_manager->i2s_ch[dev_id1];
AM_DEBUG_PRINT("devid1 %d\n", dev_id1);
dev_id2 = aud_manager->bb_port_idx;
ch2 = &aud_manager->i2s_ch[dev_id2];
AM_DEBUG_PRINT("devid2 %d\n", dev_id2);
i2s_fifo_enable(dev_id1, AUDIO_TX_MODE, 0);
i2s_fifo_enable(dev_id2, AUDIO_TX_MODE, 0);
i2s_fifo_enable(dev_id1, AUDIO_RX_MODE, 0);
i2s_fifo_enable(dev_id2, AUDIO_RX_MODE, 0);
dam_enable(ch1->damch[dam_ch_in0], 0, dam_ch_in0);
dam_enable(ch2->damch[dam_ch_in0], 0, dam_ch_in0);
audio_switch_clear_rx_port(dev_id2 + ahubrx_i2s0);
audio_switch_clear_rx_port(ahubrx0_dam0 +
(ch1->damch[dam_ch_in0] << 1));
audio_switch_clear_rx_port(ahubrx0_dam0 +
(ch2->damch[dam_ch_in0] << 1));
dam_free_controller(ch1->damch[dam_ch_in0], dam_ch_in0);
ch1->damch[dam_ch_in0] = -1;
dam_free_controller(ch2->damch[dam_ch_in0], dam_ch_in0);
ch2->damch[dam_ch_in0] = -1;
i2s_clock_disable(dev_id1, 0);
i2s_clock_disable(dev_id2, 0);
} else if (break_voicecallbt == 1) {
dev_id1 = aud_manager->bt_port_idx;
ch1 = &aud_manager->i2s_ch[dev_id1];
AM_DEBUG_PRINT("devid1 %d\n", dev_id1);
dev_id2 = aud_manager->bb_port_idx;
ch2 = &aud_manager->i2s_ch[dev_id2];
AM_DEBUG_PRINT("devid2 %d\n", dev_id2);
i2s_fifo_enable(dev_id1, AUDIO_TX_MODE, 0);
i2s_fifo_enable(dev_id2, AUDIO_TX_MODE, 0);
i2s_fifo_enable(dev_id1, AUDIO_RX_MODE, 0);
i2s_fifo_enable(dev_id2, AUDIO_RX_MODE, 0);
dam_enable(ch1->damch[dam_ch_in0], 0, dam_ch_in0);
dam_enable(ch2->damch[dam_ch_in0], 0, dam_ch_in0);
audio_switch_clear_rx_port(dev_id2 + ahubrx_i2s0);
audio_switch_clear_rx_port(ahubrx0_dam0 +
(ch1->damch[dam_ch_in0] << 1));
audio_switch_clear_rx_port(ahubrx0_dam0 +
(ch2->damch[dam_ch_in0] << 1));
dam_free_controller(ch1->damch[dam_ch_in0], dam_ch_in0);
ch1->damch[dam_ch_in0] = -1;
dam_free_controller(ch2->damch[dam_ch_in0], dam_ch_in0);
ch2->damch[dam_ch_in0] = -1;
i2s_clock_disable(dev_id1, 0);
i2s_clock_disable(dev_id2, 0);
}
if (make_voicecall == 1) {
AM_DEBUG_PRINT("voice call connection\n");
memset(&dev1_prop, 0,
sizeof(struct audio_dev_property));
memset(&dev2_prop, 0,
sizeof(struct audio_dev_property));
tegra_das_get_device_property(
tegra_audio_codec_type_hifi,
&dev1_prop);
tegra_das_get_device_property(
tegra_audio_codec_type_baseband,
&dev2_prop);
dev_id1 = aud_manager->hifi_port_idx;
dev_id2 = aud_manager->bb_port_idx;
i2s_clock_enable(dev_id1, 0);
i2s_clock_enable(dev_id2, 0);
ch1 = &aud_manager->i2s_ch[dev_id1];
ch2 = &aud_manager->i2s_ch[dev_id2];
AM_DEBUG_PRINT("devid1 %d devid2 %d\n",
dev_id1, dev_id2);
setup_baseband_connection(dev_id1, &dev1_prop);
setup_baseband_connection(dev_id2, &dev2_prop);
damch = ch1->damch[dam_ch_in0];
dam_set_samplerate(damch, dam_ch_in0, dev2_prop.rate);
/*i2s1_tx (48Khz) -> dam_ch0 rx (8k)*/
audio_switch_set_rx_port(ahubrx0_dam0 + (damch << 1),
dev_id2 + ahubtx_i2s0);
/*get the properties of i2s and set to i2s and dam*/
dam_set_acif(damch, dam_ch_in0, &ch2->outcif);
dam_enable(damch, 1, dam_ch_in0);
damch = ch2->damch[dam_ch_in0];
dam_set_samplerate(damch, dam_ch_in0, dev1_prop.rate);
/*get the properties of i2s and set to i2s and dam*/
dam_set_acif(damch, dam_ch_in0, &ch1->outcif);
audio_switch_set_rx_port(ahubrx0_dam0 + (damch << 1),
dev_id1 + ahubtx_i2s0);
/*enable the dap and i2s as well*/
dam_enable(damch, 1, dam_ch_in0);
i2s_fifo_enable(dev_id1, AUDIO_TX_MODE, 1);
i2s_fifo_enable(dev_id2, AUDIO_TX_MODE, 1);
i2s_fifo_enable(dev_id1, AUDIO_RX_MODE, 1);
i2s_fifo_enable(dev_id2, AUDIO_RX_MODE, 1);
} else if (make_voicecallbt == 1) {
AM_DEBUG_PRINT("bt voice call connection\n");
memset(&dev1_prop, 0,
sizeof(struct audio_dev_property));
memset(&dev2_prop, 0,
sizeof(struct audio_dev_property));
tegra_das_get_device_property(
tegra_audio_codec_type_bluetooth,
&dev1_prop);
tegra_das_get_device_property(
tegra_audio_codec_type_baseband,
&dev2_prop);
dev_id1 = aud_manager->bt_port_idx;
dev_id2 = aud_manager->bb_port_idx;
i2s_clock_enable(dev_id1, 0);
i2s_clock_enable(dev_id2, 0);
ch1 = &aud_manager->i2s_ch[dev_id1];
ch2 = &aud_manager->i2s_ch[dev_id2];
setup_baseband_connection(dev_id1, &dev1_prop);
setup_baseband_connection(dev_id2, &dev2_prop);
damch = ch1->damch[dam_ch_in0];
dam_set_samplerate(damch, dam_ch_in0, dev2_prop.rate);
/*i2s1_tx (48Khz) -> dam_ch0 rx (8k)*/
audio_switch_set_rx_port(ahubrx0_dam0 + (damch << 1),
dev_id2 + ahubtx_i2s0);
/*get the properties of i2s and set to i2s and dam*/
dam_set_acif(damch, dam_ch_in0, &ch2->outcif);
dam_enable(damch, 1, dam_ch_in0);
damch = ch2->damch[dam_ch_in0];
dam_set_samplerate(damch, dam_ch_in0, dev1_prop.rate);
/*get the properties of i2s and set to i2s and dam*/
dam_set_acif(damch, dam_ch_in0, &ch1->outcif);
audio_switch_set_rx_port(ahubrx0_dam0 + (damch << 1),
dev_id1 + ahubtx_i2s0);
/* enable the dap and i2s as well */
dam_enable(damch, 1, dam_ch_in0);
i2s_fifo_enable(dev_id1, AUDIO_TX_MODE, 1);
i2s_fifo_enable(dev_id2, AUDIO_TX_MODE, 1);
i2s_fifo_enable(dev_id1, AUDIO_RX_MODE, 1);
i2s_fifo_enable(dev_id2, AUDIO_RX_MODE, 1);
}
aud_manager->cur_conn = new_con_id;
AM_DEBUG_PRINT("%s--\n", __func__);
return 0;
}