void free_stream_context(unsigned int str_id)
{
	struct stream_info *stream;

	if (!sst_validate_strid(str_id)) {
		/* str_id is valid, so stream is alloacted */
		stream = &sst_drv_ctx->streams[str_id];
		if (sst_free_stream(str_id))
			sst_clean_stream(&sst_drv_ctx->streams[str_id]);
		if (stream->ops == STREAM_OPS_PLAYBACK ||
				stream->ops == STREAM_OPS_PLAYBACK_DRM) {
			sst_drv_ctx->pb_streams--;
			if (sst_drv_ctx->pci_id == SST_MFLD_PCI_ID)
				sst_drv_ctx->scard_ops->power_down_pmic_pb(
						stream->device);
			else {
				if (sst_drv_ctx->pb_streams == 0)
					sst_drv_ctx->scard_ops->
					power_down_pmic_pb(stream->device);
			}
		} else if (stream->ops == STREAM_OPS_CAPTURE) {
			sst_drv_ctx->cp_streams--;
			if (sst_drv_ctx->cp_streams == 0)
				sst_drv_ctx->scard_ops->power_down_pmic_cp(
						stream->device);
		}
		if (sst_drv_ctx->pb_streams == 0
				&& sst_drv_ctx->cp_streams == 0)
			sst_drv_ctx->scard_ops->power_down_pmic();
	}
}
Example #2
0
/*
 * sst_close_pcm_stream - Close PCM interface
 *
 * @str_id: stream id to be closed
 *
 * This function is called by MID sound card driver to close
 * an existing pcm interface
 */
int sst_close_pcm_stream(unsigned int str_id)
{
	struct stream_info *stream;

	pr_debug("sst: stream free called\n");
	if (sst_validate_strid(str_id))
		return -EINVAL;
	stream = &sst_drv_ctx->streams[str_id];
	free_stream_context(str_id);
	stream->pcm_substream = NULL;
	stream->status = STREAM_UN_INIT;
	stream->period_elapsed = NULL;
	sst_drv_ctx->stream_cnt--;
	pr_debug("sst: will call runtime put now\n");
	pm_runtime_put(&sst_drv_ctx->pci->dev);
	return 0;
}
Example #3
0
/**
* sst_process_reply - Processes reply message from SST
*
* @work:	Pointer to work structure
*
* This function is scheduled by ISR
* It take a reply msg from response_queue and
* does action based on msg
*/
void sst_process_reply(struct work_struct *work)
{
	struct sst_ipc_msg_wq *msg =
			container_of(work, struct sst_ipc_msg_wq, wq);

	int str_id = msg->header.part.str_id;
	struct stream_info *str_info;

	switch (msg->header.part.msg_id) {
	case IPC_IA_TARGET_DEV_SELECT:
		if (!msg->header.part.data) {
			sst_drv_ctx->tgt_dev_blk.ret_code = 0;
		} else {
			pr_err(" Msg %x reply error %x\n",
			msg->header.part.msg_id, msg->header.part.data);
			sst_drv_ctx->tgt_dev_blk.ret_code =
					-msg->header.part.data;
		}

		if (sst_drv_ctx->tgt_dev_blk.on == true) {
				sst_drv_ctx->tgt_dev_blk.condition = true;
				wake_up(&sst_drv_ctx->wait_queue);
		}
		break;
	case IPC_IA_ALG_PARAMS: {
		pr_debug("sst:IPC_ALG_PARAMS response %x\n", msg->header.full);
		pr_debug("sst: data value %x\n", msg->header.part.data);
		pr_debug("sst: large value %x\n", msg->header.part.large);

		if (!msg->header.part.large) {
			if (!msg->header.part.data) {
				pr_debug("sst: alg set success\n");
				sst_drv_ctx->ppp_params_blk.ret_code = 0;
			} else {
				pr_debug("sst: alg set failed\n");
				sst_drv_ctx->ppp_params_blk.ret_code =
							-msg->header.part.data;
			}

		} else if (msg->header.part.data) {
			struct snd_ppp_params *mailbox_params, *get_params;
			char *params;

			pr_debug("sst: alg get success\n");
			mailbox_params = (struct snd_ppp_params *)msg->mailbox;
			get_params = kzalloc(sizeof(*get_params), GFP_KERNEL);
			if (get_params == NULL) {
				pr_err("sst: out of memory for ALG PARAMS");
				break;
			}
			memcpy_fromio(get_params, mailbox_params,
							sizeof(*get_params));
			get_params->params = kzalloc(mailbox_params->size,
							GFP_KERNEL);
			if (get_params->params == NULL) {
				kfree(get_params);
				pr_err("sst: out of memory for ALG PARAMS block");
				break;
			}
			params = msg->mailbox;
			params = params + sizeof(*mailbox_params) - sizeof(u32);
			memcpy_fromio(get_params->params, params,
							get_params->size);
			sst_drv_ctx->ppp_params_blk.ret_code = 0;
			sst_drv_ctx->ppp_params_blk.data = get_params;
		}

		if (sst_drv_ctx->ppp_params_blk.on == true) {
			sst_drv_ctx->ppp_params_blk.condition = true;
			wake_up(&sst_drv_ctx->wait_queue);
		}
		break;
	}

	case IPC_IA_TUNING_PARAMS: {
		pr_debug("sst:IPC_TUNING_PARAMS resp: %x\n", msg->header.full);
		pr_debug("data value %x\n", msg->header.part.data);
		if (msg->header.part.large) {
			pr_debug("alg set failed\n");
			sst_drv_ctx->ppp_params_blk.ret_code =
							-msg->header.part.data;
		} else {
			pr_debug("alg set success\n");
			sst_drv_ctx->ppp_params_blk.ret_code = 0;
		}
		if (sst_drv_ctx->ppp_params_blk.on == true) {
			sst_drv_ctx->ppp_params_blk.condition = true;
			wake_up(&sst_drv_ctx->wait_queue);
		}
	}

	case IPC_IA_GET_FW_INFO: {
		struct snd_sst_fw_info *fw_info =
			(struct snd_sst_fw_info *)msg->mailbox;
		if (msg->header.part.large) {
			int major = fw_info->fw_version.major;
			int minor = fw_info->fw_version.minor;
			int build = fw_info->fw_version.build;
			pr_debug("Msg succeeded %x\n",
				       msg->header.part.msg_id);
			pr_debug("INFO: ***FW*** = %02d.%02d.%02d\n",
					major, minor, build);
			memcpy_fromio(sst_drv_ctx->fw_info_blk.data,
				((struct snd_sst_fw_info *)(msg->mailbox)),
				sizeof(struct snd_sst_fw_info));
			sst_drv_ctx->fw_info_blk.ret_code = 0;
		} else {
			pr_err(" Msg %x reply error %x\n",
			msg->header.part.msg_id, msg->header.part.data);
			sst_drv_ctx->fw_info_blk.ret_code =
					-msg->header.part.data;
		}
		if (sst_drv_ctx->fw_info_blk.on == true) {
			pr_debug("Memcopy succeeded\n");
			sst_drv_ctx->fw_info_blk.on = false;
			sst_drv_ctx->fw_info_blk.condition = true;
			wake_up(&sst_drv_ctx->wait_queue);
		}
		break;
	}
	case IPC_IA_SET_STREAM_MUTE:
		if (!msg->header.part.data) {
			pr_debug("Msg succeeded %x\n",
				       msg->header.part.msg_id);
			sst_drv_ctx->mute_info_blk.ret_code = 0;
		} else {
			pr_err(" Msg %x reply error %x\n",
			msg->header.part.msg_id, msg->header.part.data);
			sst_drv_ctx->mute_info_blk.ret_code =
					-msg->header.part.data;

		}
		if (sst_drv_ctx->mute_info_blk.on == true) {
			sst_drv_ctx->mute_info_blk.on = false;
			sst_drv_ctx->mute_info_blk.condition = true;
			wake_up(&sst_drv_ctx->wait_queue);
		}
		break;
	case IPC_IA_SET_STREAM_VOL:
		if (!msg->header.part.data) {
			pr_debug("Msg succeeded %x\n",
				       msg->header.part.msg_id);
			sst_drv_ctx->vol_info_blk.ret_code = 0;
		} else {
			pr_err(" Msg %x reply error %x\n",
					msg->header.part.msg_id,
			msg->header.part.data);
			sst_drv_ctx->vol_info_blk.ret_code =
					-msg->header.part.data;

		}

		if (sst_drv_ctx->vol_info_blk.on == true) {
			sst_drv_ctx->vol_info_blk.on = false;
			sst_drv_ctx->vol_info_blk.condition = true;
			wake_up(&sst_drv_ctx->wait_queue);
		}
		break;
	case IPC_IA_GET_STREAM_VOL:
		if (msg->header.part.large) {
			pr_debug("Large Msg Received Successfully\n");
			pr_debug("Msg succeeded %x\n",
				       msg->header.part.msg_id);
			memcpy_fromio(sst_drv_ctx->vol_info_blk.data,
				(void *) msg->mailbox,
				sizeof(struct snd_sst_vol));
			sst_drv_ctx->vol_info_blk.ret_code = 0;
		} else {
			pr_err("Msg %x reply error %x\n",
			msg->header.part.msg_id, msg->header.part.data);
			sst_drv_ctx->vol_info_blk.ret_code =
					-msg->header.part.data;
		}
		if (sst_drv_ctx->vol_info_blk.on == true) {
			sst_drv_ctx->vol_info_blk.on = false;
			sst_drv_ctx->vol_info_blk.condition = true;
			wake_up(&sst_drv_ctx->wait_queue);
		}
		break;

	case IPC_IA_GET_STREAM_PARAMS:
		if (sst_validate_strid(str_id)) {
			pr_err("stream id %d invalid\n", str_id);
			break;
		}
		str_info = &sst_drv_ctx->streams[str_id];
		if (msg->header.part.large) {
			pr_debug("Get stream large success\n");
			memcpy_fromio(str_info->ctrl_blk.data,
				((void *)(msg->mailbox)),
				sizeof(struct snd_sst_fw_get_stream_params));
			str_info->ctrl_blk.ret_code = 0;
		} else {
			pr_err("Msg %x reply error %x\n",
				msg->header.part.msg_id, msg->header.part.data);
			str_info->ctrl_blk.ret_code = -msg->header.part.data;
		}
		if (str_info->ctrl_blk.on == true) {
			str_info->ctrl_blk.on = false;
			str_info->ctrl_blk.condition = true;
			wake_up(&sst_drv_ctx->wait_queue);
		}
		break;
	case IPC_IA_DECODE_FRAMES:
		if (sst_validate_strid(str_id)) {
			pr_err("stream id %d invalid\n", str_id);
			break;
		}
		str_info = &sst_drv_ctx->streams[str_id];
		if (msg->header.part.large) {
			pr_debug("Msg succeeded %x\n",
				       msg->header.part.msg_id);
			memcpy_fromio(str_info->data_blk.data,
					((void *)(msg->mailbox)),
					sizeof(struct snd_sst_decode_info));
			str_info->data_blk.ret_code = 0;
		} else {
			pr_err("Msg %x reply error %x\n",
				msg->header.part.msg_id, msg->header.part.data);
			str_info->data_blk.ret_code = -msg->header.part.data;
		}
		if (str_info->data_blk.on == true) {
			str_info->data_blk.on = false;
			str_info->data_blk.condition = true;
			wake_up(&sst_drv_ctx->wait_queue);
		}
		break;
	case IPC_IA_DRAIN_STREAM:
		if (sst_validate_strid(str_id)) {
			pr_err("stream id %d invalid\n", str_id);
			break;
		}
		str_info = &sst_drv_ctx->streams[str_id];
		if (!msg->header.part.data) {
			pr_debug("Msg succeeded %x\n",
					msg->header.part.msg_id);
			str_info->ctrl_blk.ret_code = 0;

		} else {
			pr_err(" Msg %x reply error %x\n",
				msg->header.part.msg_id, msg->header.part.data);
			str_info->ctrl_blk.ret_code = -msg->header.part.data;

		}
		str_info = &sst_drv_ctx->streams[str_id];
		if (str_info->data_blk.on == true) {
			str_info->data_blk.on = false;
			str_info->data_blk.condition = true;
			wake_up(&sst_drv_ctx->wait_queue);
		}
		break;

	case IPC_IA_DROP_STREAM:
		if (sst_validate_strid(str_id)) {
			pr_err("str id %d invalid\n", str_id);
			break;
		}
		str_info = &sst_drv_ctx->streams[str_id];
		if (msg->header.part.large) {
			struct snd_sst_drop_response *drop_resp =
				(struct snd_sst_drop_response *)msg->mailbox;

			pr_debug("Drop ret bytes %x\n", drop_resp->bytes);

			str_info->curr_bytes = drop_resp->bytes;
			str_info->ctrl_blk.ret_code =  0;
		} else {
			pr_err(" Msg %x reply error %x\n",
				msg->header.part.msg_id, msg->header.part.data);
			str_info->ctrl_blk.ret_code = -msg->header.part.data;
		}
		if (str_info->ctrl_blk.on == true) {
			str_info->ctrl_blk.on = false;
			str_info->ctrl_blk.condition = true;
			wake_up(&sst_drv_ctx->wait_queue);
		}
		break;
	case IPC_IA_ENABLE_RX_TIME_SLOT:
		if (!msg->header.part.data) {
			pr_debug("RX_TIME_SLOT success\n");
			sst_drv_ctx->hs_info_blk.ret_code = 0;
		} else {
			pr_err(" Msg %x reply error %x\n",
				msg->header.part.msg_id,
				msg->header.part.data);
			sst_drv_ctx->hs_info_blk.ret_code =
				-msg->header.part.data;
		}
		if (sst_drv_ctx->hs_info_blk.on == true) {
			sst_drv_ctx->hs_info_blk.on = false;
			sst_drv_ctx->hs_info_blk.condition = true;
			wake_up(&sst_drv_ctx->wait_queue);
		}
		break;
	case IPC_IA_PAUSE_STREAM:
	case IPC_IA_RESUME_STREAM:
	case IPC_IA_SET_STREAM_PARAMS:
		str_info = &sst_drv_ctx->streams[str_id];
		if (!msg->header.part.data) {
			pr_debug("Msg succeeded %x\n",
					msg->header.part.msg_id);
			str_info->ctrl_blk.ret_code = 0;
		} else {
			pr_err(" Msg %x reply error %x\n",
					msg->header.part.msg_id,
					msg->header.part.data);
			str_info->ctrl_blk.ret_code = -msg->header.part.data;
		}
		if (sst_validate_strid(str_id)) {
			pr_err(" stream id %d invalid\n", str_id);
			break;
		}

		if (str_info->ctrl_blk.on == true) {
			str_info->ctrl_blk.on = false;
			str_info->ctrl_blk.condition = true;
			wake_up(&sst_drv_ctx->wait_queue);
		}
		break;

	case IPC_IA_FREE_STREAM:
		str_info = &sst_drv_ctx->streams[str_id];
		if (!msg->header.part.data) {
			pr_debug("Stream %d freed\n", str_id);
		} else {
			pr_err("Free for %d ret error %x\n",
				       str_id, msg->header.part.data);
		}
		if (str_info->ctrl_blk.on == true) {
			str_info->ctrl_blk.on = false;
			str_info->ctrl_blk.condition = true;
			wake_up(&sst_drv_ctx->wait_queue);
		}
		break;
	case IPC_IA_ALLOC_STREAM: {
		/* map to stream, call play */
		struct snd_sst_alloc_response *resp =
				(struct snd_sst_alloc_response *)msg->mailbox;
		if (resp->str_type.result)
			pr_err("error alloc stream = %x\n",
				       resp->str_type.result);
		sst_alloc_stream_response(str_id, resp);
		break;
	}

	case IPC_IA_PLAY_FRAMES:
	case IPC_IA_CAPT_FRAMES:
		if (sst_validate_strid(str_id)) {
			pr_err("stream id %d invalid\n", str_id);
			break;
		}
		pr_debug("Ack for play/capt frames received\n");
		break;

	case IPC_IA_PREP_LIB_DNLD: {
		struct snd_sst_str_type *str_type =
			(struct snd_sst_str_type *)msg->mailbox;
		pr_debug("Prep Lib download %x\n",
				msg->header.part.msg_id);
		if (str_type->result)
			pr_err("Prep lib download %x\n", str_type->result);
		else
			pr_debug("Can download codec now...\n");
		sst_wake_up_alloc_block(sst_drv_ctx, str_id,
				str_type->result, NULL);
		break;
	}

	case IPC_IA_LIB_DNLD_CMPLT: {
		struct snd_sst_lib_download_info *resp =
			(struct snd_sst_lib_download_info *)msg->mailbox;
		int retval = resp->result;

		pr_debug("Lib downloaded %x\n", msg->header.part.msg_id);
		if (resp->result) {
			pr_err("err in lib dload %x\n", resp->result);
		} else {
			pr_debug("Codec download complete...\n");
			pr_debug("codec Type %d Ver %d Built %s: %s\n",
				resp->dload_lib.lib_info.lib_type,
				resp->dload_lib.lib_info.lib_version,
				resp->dload_lib.lib_info.b_date,
				resp->dload_lib.lib_info.b_time);
		}
		sst_wake_up_alloc_block(sst_drv_ctx, str_id,
						retval, NULL);
		break;
	}

	case IPC_IA_GET_FW_VERSION: {
		struct ipc_header_fw_init *version =
				(struct ipc_header_fw_init *)msg->mailbox;
		int major = version->fw_version.major;
		int minor = version->fw_version.minor;
		int build = version->fw_version.build;
		dev_info(&sst_drv_ctx->pci->dev,
			"INFO: ***LOADED SST FW VERSION*** = %02d.%02d.%02d\n",
		major, minor, build);
		break;
	}
	case IPC_IA_GET_FW_BUILD_INF: {
		struct sst_fw_build_info *build =
			(struct sst_fw_build_info *)msg->mailbox;
		pr_debug("Build date:%sTime:%s", build->date, build->time);
		break;
	}
	case IPC_IA_SET_PMIC_TYPE:
		break;
	case IPC_IA_START_STREAM:
		pr_debug("reply for START STREAM %x\n", msg->header.full);
		break;

	case IPC_IA_GET_FW_CTXT:
		pr_debug("reply for get fw ctxt  %x\n", msg->header.full);
		if (msg->header.part.data)
			sst_drv_ctx->fw_cntx_size = 0;
		else
			sst_drv_ctx->fw_cntx_size = *sst_drv_ctx->fw_cntx;
		pr_debug("fw copied data %x\n", sst_drv_ctx->fw_cntx_size);
		sst_wake_up_alloc_block(
			sst_drv_ctx, str_id, msg->header.part.data, NULL);
		break;
	default:
		/* Illegal case */
		pr_err("process reply:default = %x\n", msg->header.full);
	}
	sst_clear_interrupt();
	return;
}
Example #4
0
/**
* sst_process_message - Processes message from SST
*
* @work:	Pointer to work structure
*
* This function is scheduled by ISR
* It take a msg from process_queue and does action based on msg
*/
void sst_process_message(struct work_struct *work)
{
	struct sst_ipc_msg_wq *msg =
			container_of(work, struct sst_ipc_msg_wq, wq);
	int str_id = msg->header.part.str_id;

	pr_debug("IPC process for %x\n", msg->header.full);

	/* based on msg in list call respective handler */
	switch (msg->header.part.msg_id) {
	case IPC_SST_BUF_UNDER_RUN:
	case IPC_SST_BUF_OVER_RUN:
		if (sst_validate_strid(str_id)) {
			pr_err("stream id %d invalid\n", str_id);
			break;
		}
		pr_err("Buffer under/overrun for %d\n",
				msg->header.part.str_id);
		pr_err("Got Underrun & not to send data...ignore\n");
		break;

	case IPC_SST_GET_PLAY_FRAMES:
		if (sst_drv_ctx->pci_id == SST_MRST_PCI_ID) {
			struct stream_info *stream ;

			if (sst_validate_strid(str_id)) {
				pr_err("strid %d invalid\n", str_id);
				break;
			}
			/* call sst_play_frame */
			stream = &sst_drv_ctx->streams[str_id];
			pr_debug("sst_play_frames for %d\n",
					msg->header.part.str_id);
			mutex_lock(&sst_drv_ctx->streams[str_id].lock);
			sst_play_frame(msg->header.part.str_id);
			mutex_unlock(&sst_drv_ctx->streams[str_id].lock);
			break;
		} else
			pr_err("sst_play_frames for Penwell!!\n");

	case IPC_SST_GET_CAPT_FRAMES:
		if (sst_drv_ctx->pci_id == SST_MRST_PCI_ID) {
			struct stream_info *stream;
			/* call sst_capture_frame */
			if (sst_validate_strid(str_id)) {
				pr_err("str id %d invalid\n", str_id);
				break;
			}
			stream = &sst_drv_ctx->streams[str_id];
			pr_debug("sst_capture_frames for %d\n",
					msg->header.part.str_id);
			mutex_lock(&stream->lock);
			if (stream->mmapped == false &&
					stream->src == SST_DRV) {
				pr_debug("waking up block for copy.\n");
				stream->data_blk.ret_code = 0;
				stream->data_blk.condition = true;
				stream->data_blk.on = false;
				wake_up(&sst_drv_ctx->wait_queue);
			} else
				sst_capture_frame(msg->header.part.str_id);
			mutex_unlock(&stream->lock);
		} else
			pr_err("sst_play_frames for Penwell!!\n");
		break;

	case IPC_IA_PRINT_STRING:
		pr_debug("been asked to print something by fw\n");
		/* TBD */
		break;

	case IPC_IA_FW_INIT_CMPLT: {
		/* send next data to FW */
		process_fw_init(msg);
		break;
	}

	case IPC_SST_STREAM_PROCESS_FATAL_ERR:
		if (sst_validate_strid(str_id)) {
			pr_err("stream id %d invalid\n", str_id);
			break;
		}
		pr_err("codec fatal error %x stream %d...\n",
				msg->header.full, msg->header.part.str_id);
		pr_err("Dropping the stream\n");
		sst_drop_stream(msg->header.part.str_id);
		break;
	case IPC_IA_LPE_GETTING_STALLED:
		sst_drv_ctx->lpe_stalled = 1;
		break;
	case IPC_IA_LPE_UNSTALLED:
		sst_drv_ctx->lpe_stalled = 0;
		break;
	default:
		/* Illegal case */
		pr_err("Unhandled msg %x header %x\n",
		msg->header.part.msg_id, msg->header.full);
	}
	sst_clear_interrupt();
	return;
}
Example #5
0
/*
 * sst_device_control - Set Control params
 *
 * @cmd: control cmd to be set
 * @arg: command argument
 *
 * This function is called by MID sound card driver to set
 * SST/Sound card controls for an opened stream.
 * This is registered with MID driver
 */
int sst_device_control(int cmd, void *arg)
{
	int retval = 0, str_id = 0;

	switch (cmd) {
	case SST_SND_PAUSE:
	case SST_SND_RESUME:
	case SST_SND_DROP:
	case SST_SND_START:
		sst_drv_ctx->mad_ops.control_op = cmd;
		sst_drv_ctx->mad_ops.stream_id = *(int *)arg;
		queue_work(sst_drv_ctx->mad_wq, &sst_drv_ctx->mad_ops.wq);
		break;

	case SST_SND_STREAM_INIT: {
		struct pcm_stream_info *str_info;
		struct stream_info *stream;

		pr_debug("stream init called\n");
		str_info = (struct pcm_stream_info *)arg;
		str_id = str_info->str_id;
		retval = sst_validate_strid(str_id);
		if (retval)
			break;

		stream = &sst_drv_ctx->streams[str_id];
		pr_debug("setting the period ptrs\n");
		stream->pcm_substream = str_info->mad_substream;
		stream->period_elapsed = str_info->period_elapsed;
		stream->sfreq = str_info->sfreq;
		stream->prev = stream->status;
		stream->status = STREAM_INIT;
		break;
	}

	case SST_SND_BUFFER_POINTER: {
		struct pcm_stream_info *stream_info;
		struct snd_sst_tstamp fw_tstamp = {0,};
		struct stream_info *stream;


		stream_info = (struct pcm_stream_info *)arg;
		str_id = stream_info->str_id;
		retval = sst_validate_strid(str_id);
		if (retval)
			break;
		stream = &sst_drv_ctx->streams[str_id];

		if (!stream->pcm_substream)
			break;
		memcpy_fromio(&fw_tstamp,
			((void *)(sst_drv_ctx->mailbox + SST_TIME_STAMP)
			+(str_id * sizeof(fw_tstamp))),
			sizeof(fw_tstamp));

		pr_debug("Pointer Query on strid = %d ops %d\n",
						str_id, stream->ops);

		if (stream->ops == STREAM_OPS_PLAYBACK)
			stream_info->buffer_ptr = fw_tstamp.samples_rendered;
		else
			stream_info->buffer_ptr = fw_tstamp.samples_processed;
		pr_debug("Samples rendered = %llu, buffer ptr %llu\n",
			fw_tstamp.samples_rendered, stream_info->buffer_ptr);
		break;
	}
	case SST_ENABLE_RX_TIME_SLOT: {
		int status = *(int *)arg;
		sst_drv_ctx->rx_time_slot_status = status ;
		sst_enable_rx_timeslot(status);
		break;
	}
	default:
		/* Illegal case */
		pr_warn("illegal req\n");
		return -EINVAL;
	}

	return retval;
}