int afe_open(u16 port_id, union afe_port_config *afe_config, int rate)
{
struct afe_port_start_command start;
struct afe_audioif_config_command config;
int ret = 0;
if (!afe_config) {
pr_err("%s: Error, no configuration data\n", __func__);
ret = -EINVAL;
return ret;
}
pr_info("%s: %d %d\n", __func__, port_id, rate);
if ((port_id == RT_PROXY_DAI_001_RX) ||
(port_id == RT_PROXY_DAI_002_TX))
return -EINVAL;
if ((port_id == RT_PROXY_DAI_002_RX) ||
(port_id == RT_PROXY_DAI_001_TX))
port_id = VIRTUAL_ID_TO_PORTID(port_id);
ret = afe_q6_interface_prepare();
if (ret != 0)
return ret;
#ifdef CONFIG_LGE_COMPRESSED_PATH
if (port_id == HDMI_RX) {
config.hdr.hdr_field = APR_HDR_FIELD(APR_MSG_TYPE_SEQ_CMD,
APR_HDR_LEN(APR_HDR_SIZE), APR_PKT_VER);
config.hdr.pkt_size = afe_sizeof_cfg_cmd(port_id);
config.hdr.src_port = 0;
config.hdr.dest_port = 0;
config.hdr.token = 0;
config.hdr.opcode = AFE_PORT_MULTI_CHAN_HDMI_AUDIO_IF_CONFIG;
} else {
#endif
config.hdr.hdr_field = APR_HDR_FIELD(APR_MSG_TYPE_SEQ_CMD,
APR_HDR_LEN(APR_HDR_SIZE), APR_PKT_VER);
config.hdr.pkt_size = afe_sizeof_cfg_cmd(port_id);
config.hdr.src_port = 0;
config.hdr.dest_port = 0;
config.hdr.token = 0;
config.hdr.opcode = AFE_PORT_AUDIO_IF_CONFIG;
#ifdef CONFIG_LGE_COMPRESSED_PATH
}
#endif
if (afe_validate_port(port_id) < 0) {
pr_err("%s: Failed : Invalid Port id = %d\n", __func__,
port_id);
ret = -EINVAL;
goto fail_cmd;
}
config.port_id = port_id;
config.port = *afe_config;
atomic_set(&this_afe.state, 1);
atomic_set(&this_afe.status, 0);
ret = apr_send_pkt(this_afe.apr, (uint32_t *) &config);
if (ret < 0) {
pr_err("%s: AFE enable for port %d failed\n", __func__,
port_id);
ret = -EINVAL;
goto fail_cmd;
}
ret = wait_event_timeout(this_afe.wait,
(atomic_read(&this_afe.state) == 0),
msecs_to_jiffies(TIMEOUT_MS));
if (!ret) {
pr_err("%s: wait_event timeout\n", __func__);
ret = -EINVAL;
goto fail_cmd;
}
if (atomic_read(&this_afe.status) != 0) {
pr_err("%s: config cmd failed\n", __func__);
ret = -EINVAL;
goto fail_cmd;
}
start.hdr.hdr_field = APR_HDR_FIELD(APR_MSG_TYPE_SEQ_CMD,
APR_HDR_LEN(APR_HDR_SIZE), APR_PKT_VER);
start.hdr.pkt_size = sizeof(start);
start.hdr.src_port = 0;
start.hdr.dest_port = 0;
start.hdr.token = 0;
start.hdr.opcode = AFE_PORT_CMD_START;
start.port_id = port_id;
start.gain = 0x2000;
start.sample_rate = rate;
atomic_set(&this_afe.state, 1);
ret = apr_send_pkt(this_afe.apr, (uint32_t *) &start);
if (ret < 0) {
pr_err("%s: AFE enable for port %d failed\n", __func__,
port_id);
ret = -EINVAL;
goto fail_cmd;
}
ret = wait_event_timeout(this_afe.wait,
(atomic_read(&this_afe.state) == 0),
msecs_to_jiffies(TIMEOUT_MS));
if (!ret) {
pr_err("%s: wait_event timeout\n", __func__);
ret = -EINVAL;
goto fail_cmd;
}
if (this_afe.task != current)
this_afe.task = current;
pr_debug("task_name = %s pid = %d\n",
this_afe.task->comm, this_afe.task->pid);
return 0;
fail_cmd:
return ret;
}
int afe_port_start_nowait(u16 port_id, union afe_port_config *afe_config,
u32 rate) /* This function is no blocking */
{
struct afe_port_start_command start;
struct afe_audioif_config_command config;
int ret;
if (!afe_config) {
pr_err("%s: Error, no configuration data\n", __func__);
ret = -EINVAL;
return ret;
}
pr_debug("%s: %d %d\n", __func__, port_id, rate);
if ((port_id == RT_PROXY_DAI_001_RX) ||
(port_id == RT_PROXY_DAI_002_TX))
return -EINVAL;
if ((port_id == RT_PROXY_DAI_002_RX) ||
(port_id == RT_PROXY_DAI_001_TX))
port_id = VIRTUAL_ID_TO_PORTID(port_id);
if (this_afe.apr == NULL) {
pr_err("%s: AFE APR is not registered\n", __func__);
ret = -ENODEV;
return ret;
}
if (port_id == HDMI_RX) {
config.hdr.hdr_field = APR_HDR_FIELD(APR_MSG_TYPE_SEQ_CMD,
APR_HDR_LEN(APR_HDR_SIZE), APR_PKT_VER);
config.hdr.pkt_size = afe_sizeof_cfg_cmd(port_id);
config.hdr.src_port = 0;
config.hdr.dest_port = 0;
config.hdr.token = 0;
config.hdr.opcode = AFE_PORT_MULTI_CHAN_HDMI_AUDIO_IF_CONFIG;
} else {
config.hdr.hdr_field = APR_HDR_FIELD(APR_MSG_TYPE_SEQ_CMD,
APR_HDR_LEN(APR_HDR_SIZE), APR_PKT_VER);
config.hdr.pkt_size = afe_sizeof_cfg_cmd(port_id);
config.hdr.src_port = 0;
config.hdr.dest_port = 0;
config.hdr.token = 0;
config.hdr.opcode = AFE_PORT_AUDIO_IF_CONFIG;
}
if (afe_validate_port(port_id) < 0) {
pr_err("%s: Failed : Invalid Port id = %d\n", __func__,
port_id);
ret = -EINVAL;
goto fail_cmd;
}
config.port_id = port_id;
config.port = *afe_config;
ret = apr_send_pkt(this_afe.apr, (uint32_t *) &config);
if (ret < 0) {
pr_err("%s: AFE enable for port %d failed\n", __func__,
port_id);
ret = -EINVAL;
goto fail_cmd;
}
/* send AFE cal */
afe_send_cal(port_id);
start.hdr.hdr_field = APR_HDR_FIELD(APR_MSG_TYPE_SEQ_CMD,
APR_HDR_LEN(APR_HDR_SIZE), APR_PKT_VER);
start.hdr.pkt_size = sizeof(start);
start.hdr.src_port = 0;
start.hdr.dest_port = 0;
start.hdr.token = 0;
start.hdr.opcode = AFE_PORT_CMD_START;
start.port_id = port_id;
start.gain = 0x2000;
start.sample_rate = rate;
ret = apr_send_pkt(this_afe.apr, (uint32_t *) &start);
if (IS_ERR_VALUE(ret)) {
pr_err("%s: AFE enable for port %d failed\n", __func__,
port_id);
ret = -EINVAL;
goto fail_cmd;
}
if (this_afe.task != current)
this_afe.task = current;
pr_debug("task_name = %s pid = %d\n",
this_afe.task->comm, this_afe.task->pid);
return 0;
fail_cmd:
return ret;
}
/* This function sends multi-channel HDMI configuration command and AFE
* calibration which is only supported by QDSP6 on 8960 and onward.
*/
int afe_port_start(u16 port_id, union afe_port_config *afe_config,
u32 rate)
{
struct afe_port_start_command start;
struct afe_audioif_config_command config;
int ret;
// [email protected] : Please refer to QCT case#01306695 regarding AFE recovery
#ifdef CONFIG_LGE_AFE_RECOVERY
int count = 0;
#endif // CONFIG_LGE_AFE_RECOVERY
if (!afe_config) {
pr_err("%s: Error, no configuration data\n", __func__);
ret = -EINVAL;
return ret;
}
pr_debug("%s: %d %d\n", __func__, port_id, rate);
if ((port_id == RT_PROXY_DAI_001_RX) ||
(port_id == RT_PROXY_DAI_002_TX)) {
pr_debug("%s: before incrementing pcm_afe_instance %d"\
" port_id %d\n", __func__,
pcm_afe_instance[port_id & 0x1], port_id);
port_id = VIRTUAL_ID_TO_PORTID(port_id);
pcm_afe_instance[port_id & 0x1]++;
return 0;
}
if ((port_id == RT_PROXY_DAI_002_RX) ||
(port_id == RT_PROXY_DAI_001_TX)) {
pr_debug("%s: before incrementing proxy_afe_instance %d"\
" port_id %d\n", __func__,
proxy_afe_instance[port_id & 0x1], port_id);
if (!afe_close_done[port_id & 0x1]) {
/*close pcm dai corresponding to the proxy dai*/
afe_close(port_id - 0x10);
pcm_afe_instance[port_id & 0x1]++;
pr_debug("%s: reconfigure afe port again\n", __func__);
}
proxy_afe_instance[port_id & 0x1]++;
afe_close_done[port_id & 0x1] = false;
port_id = VIRTUAL_ID_TO_PORTID(port_id);
}
ret = afe_q6_interface_prepare();
if (IS_ERR_VALUE(ret))
return ret;
if (port_id == HDMI_RX) {
config.hdr.hdr_field = APR_HDR_FIELD(APR_MSG_TYPE_SEQ_CMD,
APR_HDR_LEN(APR_HDR_SIZE), APR_PKT_VER);
config.hdr.pkt_size = afe_sizeof_cfg_cmd(port_id);
config.hdr.src_port = 0;
config.hdr.dest_port = 0;
config.hdr.token = 0;
config.hdr.opcode = AFE_PORT_MULTI_CHAN_HDMI_AUDIO_IF_CONFIG;
} else {
config.hdr.hdr_field = APR_HDR_FIELD(APR_MSG_TYPE_SEQ_CMD,
APR_HDR_LEN(APR_HDR_SIZE), APR_PKT_VER);
config.hdr.pkt_size = afe_sizeof_cfg_cmd(port_id);
config.hdr.src_port = 0;
config.hdr.dest_port = 0;
config.hdr.token = 0;
switch (port_id) {
case SLIMBUS_0_RX:
case SLIMBUS_0_TX:
case SLIMBUS_1_RX:
case SLIMBUS_1_TX:
case SLIMBUS_2_RX:
case SLIMBUS_2_TX:
case SLIMBUS_3_RX:
case SLIMBUS_3_TX:
case SLIMBUS_4_RX:
case SLIMBUS_4_TX:
config.hdr.opcode = AFE_PORT_AUDIO_SLIM_SCH_CONFIG;
break;
case MI2S_TX:
case MI2S_RX:
case SECONDARY_I2S_RX:
case SECONDARY_I2S_TX:
case PRIMARY_I2S_RX:
case PRIMARY_I2S_TX:
/* AFE_PORT_CMD_I2S_CONFIG command is not supported
* in the LPASS EL 1.0. So we have to distiguish
* which AFE command, AFE_PORT_CMD_I2S_CONFIG or
* AFE_PORT_AUDIO_IF_CONFIG to use. If the format
* is L-PCM, the AFE_PORT_AUDIO_IF_CONFIG is used
* to make the backward compatible.
*/
pr_debug("%s: afe_config->mi2s.format = %d\n", __func__,
afe_config->mi2s.format);
if (afe_config->mi2s.format == MSM_AFE_I2S_FORMAT_LPCM)
config.hdr.opcode = AFE_PORT_AUDIO_IF_CONFIG;
else
config.hdr.opcode = AFE_PORT_CMD_I2S_CONFIG;
break;
default:
config.hdr.opcode = AFE_PORT_AUDIO_IF_CONFIG;
break;
}
}
if (afe_validate_port(port_id) < 0) {
pr_err("%s: Failed : Invalid Port id = %d\n", __func__,
port_id);
ret = -EINVAL;
goto fail_cmd;
}
config.port_id = port_id;
config.port = *afe_config;
// [email protected] : Please refer to QCT case#01306695 regarding AFE recovery
#ifdef CONFIG_LGE_AFE_RECOVERY
send_cfg_cmd:
#endif // CONFIG_LGE_AFE_RECOVERY
atomic_set(&this_afe.state, 1);
atomic_set(&this_afe.status, 0);
ret = apr_send_pkt(this_afe.apr, (uint32_t *) &config);
if (ret < 0) {
pr_err("%s: AFE enable for port %d failed\n", __func__,
port_id);
ret = -EINVAL;
goto fail_cmd;
}
ret = wait_event_timeout(this_afe.wait,
(atomic_read(&this_afe.state) == 0),
msecs_to_jiffies(TIMEOUT_MS));
if (!ret) {
pr_err("%s: wait_event timeout IF CONFIG\n", __func__);
ret = -EINVAL;
goto fail_cmd;
}
if (atomic_read(&this_afe.status) != 0) {
pr_err("%s: config cmd failed\n", __func__);
// [email protected] : Please refer to QCT case#01306695 regarding AFE recovery
#ifdef CONFIG_LGE_AFE_RECOVERY
if (count < 2) {
afe_close(port_id);
count++;
goto send_cfg_cmd;
}
#endif // CONFIG_LGE_AFE_RECOVERY
ret = -EINVAL;
goto fail_cmd;
}
/* send AFE cal */
afe_send_cal(port_id);
afe_send_hw_delay(port_id, rate);
start.hdr.hdr_field = APR_HDR_FIELD(APR_MSG_TYPE_SEQ_CMD,
APR_HDR_LEN(APR_HDR_SIZE), APR_PKT_VER);
start.hdr.pkt_size = sizeof(start);
start.hdr.src_port = 0;
start.hdr.dest_port = 0;
start.hdr.token = 0;
start.hdr.opcode = AFE_PORT_CMD_START;
start.port_id = port_id;
start.gain = 0x2000;
start.sample_rate = rate;
atomic_set(&this_afe.state, 1);
ret = apr_send_pkt(this_afe.apr, (uint32_t *) &start);
if (IS_ERR_VALUE(ret)) {
pr_err("%s: AFE enable for port %d failed\n", __func__,
port_id);
ret = -EINVAL;
goto fail_cmd;
}
ret = wait_event_timeout(this_afe.wait,
(atomic_read(&this_afe.state) == 0),
msecs_to_jiffies(TIMEOUT_MS));
if (!ret) {
pr_err("%s: wait_event timeout PORT START\n", __func__);
ret = -EINVAL;
goto fail_cmd;
}
if (this_afe.task != current)
this_afe.task = current;
pr_debug("task_name = %s pid = %d\n",
this_afe.task->comm, this_afe.task->pid);
return 0;
fail_cmd:
return ret;
}
/* This function should be used by 8660 exclusively */
int afe_open(u16 port_id, union afe_port_config *afe_config, int rate)
{
struct afe_port_start_command start;
struct afe_audioif_config_command config;
int ret = 0;
if (!afe_config) {
pr_err("%s: Error, no configuration data\n", __func__);
ret = -EINVAL;
return ret;
}
pr_debug("%s: %d %d\n", __func__, port_id, rate);
if ((port_id == RT_PROXY_DAI_001_RX) ||
(port_id == RT_PROXY_DAI_002_TX))
return 0;
if ((port_id == RT_PROXY_DAI_002_RX) ||
(port_id == RT_PROXY_DAI_001_TX))
port_id = VIRTUAL_ID_TO_PORTID(port_id);
ret = afe_q6_interface_prepare();
if (ret != 0)
return ret;
config.hdr.hdr_field = APR_HDR_FIELD(APR_MSG_TYPE_SEQ_CMD,
APR_HDR_LEN(APR_HDR_SIZE), APR_PKT_VER);
config.hdr.pkt_size = afe_sizeof_cfg_cmd(port_id);
config.hdr.src_port = 0;
config.hdr.dest_port = 0;
config.hdr.token = 0;
switch (port_id) {
case SLIMBUS_0_RX:
case SLIMBUS_0_TX:
case SLIMBUS_1_RX:
case SLIMBUS_1_TX:
case SLIMBUS_2_RX:
case SLIMBUS_2_TX:
case SLIMBUS_3_RX:
case SLIMBUS_3_TX:
case SLIMBUS_4_RX:
case SLIMBUS_4_TX:
config.hdr.opcode = AFE_PORT_AUDIO_SLIM_SCH_CONFIG;
break;
case MI2S_TX:
case MI2S_RX:
case SECONDARY_I2S_RX:
case SECONDARY_I2S_TX:
case PRIMARY_I2S_RX:
case PRIMARY_I2S_TX:
/* AFE_PORT_CMD_I2S_CONFIG command is not supported
* in the LPASS EL 1.0. So we have to distiguish
* which AFE command, AFE_PORT_CMD_I2S_CONFIG or
* AFE_PORT_AUDIO_IF_CONFIG to use. If the format
* is L-PCM, the AFE_PORT_AUDIO_IF_CONFIG is used
* to make the backward compatible.
*/
pr_debug("%s: afe_config->mi2s.format = %d\n", __func__,
afe_config->mi2s.format);
if (afe_config->mi2s.format == MSM_AFE_I2S_FORMAT_LPCM)
config.hdr.opcode = AFE_PORT_AUDIO_IF_CONFIG;
else
config.hdr.opcode = AFE_PORT_CMD_I2S_CONFIG;
break;
default:
config.hdr.opcode = AFE_PORT_AUDIO_IF_CONFIG;
break;
}
if (afe_validate_port(port_id) < 0) {
pr_err("%s: Failed : Invalid Port id = %d\n", __func__,
port_id);
ret = -EINVAL;
goto fail_cmd;
}
config.port_id = port_id;
config.port = *afe_config;
atomic_set(&this_afe.state, 1);
atomic_set(&this_afe.status, 0);
ret = apr_send_pkt(this_afe.apr, (uint32_t *) &config);
if (ret < 0) {
pr_err("%s: AFE enable for port %d failed\n", __func__,
port_id);
ret = -EINVAL;
goto fail_cmd;
}
ret = wait_event_timeout(this_afe.wait,
(atomic_read(&this_afe.state) == 0),
msecs_to_jiffies(TIMEOUT_MS));
if (!ret) {
pr_err("%s: wait_event timeout\n", __func__);
ret = -EINVAL;
goto fail_cmd;
}
if (atomic_read(&this_afe.status) != 0) {
pr_err("%s: config cmd failed\n", __func__);
ret = -EINVAL;
goto fail_cmd;
}
start.hdr.hdr_field = APR_HDR_FIELD(APR_MSG_TYPE_SEQ_CMD,
APR_HDR_LEN(APR_HDR_SIZE), APR_PKT_VER);
start.hdr.pkt_size = sizeof(start);
start.hdr.src_port = 0;
start.hdr.dest_port = 0;
start.hdr.token = 0;
start.hdr.opcode = AFE_PORT_CMD_START;
start.port_id = port_id;
start.gain = 0x2000;
start.sample_rate = rate;
atomic_set(&this_afe.state, 1);
ret = apr_send_pkt(this_afe.apr, (uint32_t *) &start);
if (ret < 0) {
pr_err("%s: AFE enable for port %d failed\n", __func__,
port_id);
ret = -EINVAL;
goto fail_cmd;
}
ret = wait_event_timeout(this_afe.wait,
(atomic_read(&this_afe.state) == 0),
msecs_to_jiffies(TIMEOUT_MS));
if (!ret) {
pr_err("%s: wait_event timeout\n", __func__);
ret = -EINVAL;
goto fail_cmd;
}
if (this_afe.task != current)
this_afe.task = current;
pr_debug("task_name = %s pid = %d\n",
this_afe.task->comm, this_afe.task->pid);
return 0;
fail_cmd:
return ret;
}
int afe_port_start(u16 port_id, union afe_port_config *afe_config,
u32 rate)
{
struct afe_port_start_command start;
struct afe_audioif_config_command config;
int ret;
if (!afe_config) {
pr_err("%s: Error, no configuration data\n", __func__);
ret = -EINVAL;
return ret;
}
pr_info("%s: %d %d\n", __func__, port_id, rate);
if ((port_id == RT_PROXY_DAI_001_RX) ||
(port_id == RT_PROXY_DAI_002_TX)) {
pr_debug("%s: before incrementing pcm_afe_instance %d"\
" port_id %d\n", __func__,
pcm_afe_instance[port_id & 0x1], port_id);
port_id = VIRTUAL_ID_TO_PORTID(port_id);
pcm_afe_instance[port_id & 0x1]++;
return 0;
}
if ((port_id == RT_PROXY_DAI_002_RX) ||
(port_id == RT_PROXY_DAI_001_TX)) {
pr_debug("%s: before incrementing proxy_afe_instance %d"\
" port_id %d\n", __func__,
proxy_afe_instance[port_id & 0x1], port_id);
if (!afe_close_done[port_id & 0x1]) {
/*close pcm dai corresponding to the proxy dai*/
afe_close(port_id - 0x10);
pcm_afe_instance[port_id & 0x1]++;
pr_debug("%s: reconfigure afe port again\n", __func__);
}
proxy_afe_instance[port_id & 0x1]++;
afe_close_done[port_id & 0x1] = false;
port_id = VIRTUAL_ID_TO_PORTID(port_id);
}
ret = afe_q6_interface_prepare();
if (IS_ERR_VALUE(ret))
return ret;
if (port_id == HDMI_RX) {
config.hdr.hdr_field = APR_HDR_FIELD(APR_MSG_TYPE_SEQ_CMD,
APR_HDR_LEN(APR_HDR_SIZE), APR_PKT_VER);
config.hdr.pkt_size = afe_sizeof_cfg_cmd(port_id);
config.hdr.src_port = 0;
config.hdr.dest_port = 0;
config.hdr.token = 0;
config.hdr.opcode = AFE_PORT_MULTI_CHAN_HDMI_AUDIO_IF_CONFIG;
} else {
config.hdr.hdr_field = APR_HDR_FIELD(APR_MSG_TYPE_SEQ_CMD,
APR_HDR_LEN(APR_HDR_SIZE), APR_PKT_VER);
config.hdr.pkt_size = afe_sizeof_cfg_cmd(port_id);
config.hdr.src_port = 0;
config.hdr.dest_port = 0;
config.hdr.token = 0;
switch (port_id) {
case SLIMBUS_0_RX:
case SLIMBUS_0_TX:
case SLIMBUS_1_RX:
case SLIMBUS_1_TX:
case SLIMBUS_2_RX:
case SLIMBUS_2_TX:
case SLIMBUS_3_RX:
case SLIMBUS_3_TX:
case SLIMBUS_4_RX:
case SLIMBUS_4_TX:
config.hdr.opcode = AFE_PORT_AUDIO_SLIM_SCH_CONFIG;
break;
case MI2S_TX:
case MI2S_RX:
case SECONDARY_I2S_RX:
case SECONDARY_I2S_TX:
case PRIMARY_I2S_RX:
case PRIMARY_I2S_TX:
pr_debug("%s: afe_config->mi2s.format = %d\n", __func__,
afe_config->mi2s.format);
if (afe_config->mi2s.format == MSM_AFE_I2S_FORMAT_LPCM)
config.hdr.opcode = AFE_PORT_AUDIO_IF_CONFIG;
else
config.hdr.opcode = AFE_PORT_CMD_I2S_CONFIG;
break;
default:
config.hdr.opcode = AFE_PORT_AUDIO_IF_CONFIG;
break;
}
}
if (afe_validate_port(port_id) < 0) {
pr_err("%s: Failed : Invalid Port id = %d\n", __func__,
port_id);
ret = -EINVAL;
goto fail_cmd;
}
config.port_id = port_id;
config.port = *afe_config;
atomic_set(&this_afe.state, 1);
atomic_set(&this_afe.status, 0);
ret = apr_send_pkt(this_afe.apr, (uint32_t *) &config);
if (ret < 0) {
pr_err("%s: AFE enable for port %d failed\n", __func__,
port_id);
HTC_Q6_BUG();
ret = -EINVAL;
goto fail_cmd;
}
ret = wait_event_timeout(this_afe.wait,
(atomic_read(&this_afe.state) == 0),
msecs_to_jiffies(TIMEOUT_MS));
if (!ret) {
pr_err("%s: wait_event timeout IF CONFIG\n", __func__);
HTC_Q6_BUG();
ret = -EINVAL;
goto fail_cmd;
}
if (atomic_read(&this_afe.status) != 0) {
pr_err("%s: config cmd failed\n", __func__);
ret = -EINVAL;
goto fail_cmd;
}
afe_send_cal(port_id);
start.hdr.hdr_field = APR_HDR_FIELD(APR_MSG_TYPE_SEQ_CMD,
APR_HDR_LEN(APR_HDR_SIZE), APR_PKT_VER);
start.hdr.pkt_size = sizeof(start);
start.hdr.src_port = 0;
start.hdr.dest_port = 0;
start.hdr.token = 0;
start.hdr.opcode = AFE_PORT_CMD_START;
start.port_id = port_id;
start.gain = 0x2000;
start.sample_rate = rate;
atomic_set(&this_afe.state, 1);
ret = apr_send_pkt(this_afe.apr, (uint32_t *) &start);
if (IS_ERR_VALUE(ret)) {
pr_err("%s: AFE enable for port %d failed\n", __func__,
port_id);
ret = -EINVAL;
goto fail_cmd;
}
ret = wait_event_timeout(this_afe.wait,
(atomic_read(&this_afe.state) == 0),
msecs_to_jiffies(AFE_TIMEOUT_MS));
if (!ret) {
pr_err("%s: wait_event timeout PORT START\n", __func__);
HTC_Q6_BUG();
ret = -EINVAL;
goto fail_cmd;
}
if (this_afe.task != current)
this_afe.task = current;
pr_debug("task_name = %s pid = %d\n",
this_afe.task->comm, this_afe.task->pid);
return 0;
fail_cmd:
return ret;
}