示例#1
0
int sst_alloc_stream_mfld(char *params)
{
	struct ipc_post *msg = NULL;
	struct snd_sst_alloc_params_mfld alloc_param;
	struct snd_sst_params *str_params;
	struct stream_info *str_info;
	unsigned int stream_ops, device;
	struct snd_sst_stream_params_mfld *sparams;
	unsigned int pcm_slot = 0, num_ch, pcm_wd_sz, sfreq;
	int str_id;
	u8 codec;
	u32 rb_size, rb_addr, period_count;
	unsigned long irq_flags;

	pr_debug("In %s\n", __func__);

	BUG_ON(!params);
	str_params = (struct snd_sst_params *)params;
	stream_ops = str_params->ops;
	codec = str_params->codec;
	device = str_params->device_type;
	num_ch = sst_get_num_channel(str_params);
	sfreq = sst_get_sfreq(str_params);
	pcm_wd_sz = sst_get_wdsize(str_params);
	rb_size = str_params->aparams.ring_buf_info[0].size;
	rb_addr = str_params->aparams.ring_buf_info[0].addr;
	period_count = str_params->aparams.frag_size / 4;


	pr_debug("period_size = %d\n", period_count);
	pr_debug("ring_buf_addr = 0x%x\n", rb_addr);
	pr_debug("ring_buf_size = %d\n", rb_size);
	pr_debug("device_type=%d\n", device);
	pr_debug("sfreq =%d\n", sfreq);
	pr_debug("stream_ops%d codec%d device%d\n", stream_ops, codec, device);


	sparams = kzalloc(sizeof(*sparams), GFP_KERNEL);
	if (!sparams) {
		pr_err("Unable to allocate snd_sst_stream_params\n");
		return -ENOMEM;
	}


	sparams->uc.pcm_params.codec = codec;
	sparams->uc.pcm_params.num_chan = num_ch;
	sparams->uc.pcm_params.pcm_wd_sz = pcm_wd_sz;
	sparams->uc.pcm_params.reserved = 0;
	sparams->uc.pcm_params.sfreq = sfreq;
	sparams->uc.pcm_params.ring_buffer_size = rb_size;
	sparams->uc.pcm_params.period_count = period_count;
	sparams->uc.pcm_params.ring_buffer_addr = rb_addr;



	if (sst_check_device_type(device, num_ch, &pcm_slot)) {
		kfree(sparams);
		return -EINVAL;
	}
	mutex_lock(&sst_drv_ctx->stream_lock);
	str_id = device;
	mutex_unlock(&sst_drv_ctx->stream_lock);
	pr_debug("slot %x\n", pcm_slot);

	/*allocate device type context*/
	sst_init_stream(&sst_drv_ctx->streams[str_id], codec,
			str_id, stream_ops, pcm_slot);
	/* send msg to FW to allocate a stream */
	if (sst_create_large_msg(&msg)) {
		kfree(sparams);
		return -ENOMEM;
	}

	alloc_param.str_type.codec_type = codec;
	alloc_param.str_type.str_type = SST_STREAM_TYPE_MUSIC;
	alloc_param.str_type.operation = stream_ops;
	alloc_param.str_type.protected_str = 0; /* non drm */
	alloc_param.str_type.time_slots = pcm_slot;
	alloc_param.str_type.reserved = 0;
	alloc_param.str_type.result = 0;

	sst_fill_header(&msg->header, IPC_IA_ALLOC_STREAM, 1, str_id);
	msg->header.part.data = sizeof(alloc_param) + sizeof(u32);
	memcpy(&alloc_param.stream_params, sparams,
			sizeof(*sparams));
	kfree(sparams);

	memcpy(msg->mailbox_data, &msg->header, sizeof(u32));
	memcpy(msg->mailbox_data + sizeof(u32), &alloc_param,
			sizeof(alloc_param));
	str_info = &sst_drv_ctx->streams[str_id];
	str_info->ctrl_blk.condition = false;
	str_info->ctrl_blk.ret_code = 0;
	str_info->ctrl_blk.on = true;
	spin_lock_irqsave(&sst_drv_ctx->ipc_spin_lock, irq_flags);
	list_add_tail(&msg->node, &sst_drv_ctx->ipc_dispatch_list);
	spin_unlock_irqrestore(&sst_drv_ctx->ipc_spin_lock, irq_flags);
	sst_drv_ctx->ops->post_message(&sst_drv_ctx->ipc_post_msg_wq);
	pr_debug("SST DBG:alloc stream done\n");
	return str_id;
}
示例#2
0
int sst_alloc_stream_mrfld(struct intel_sst_drv *sst_drv_ctx, void *params)
{
	struct snd_sst_alloc_mrfld alloc_param;
	struct snd_sst_params *str_params;
	struct snd_sst_tstamp fw_tstamp;
	struct stream_info *str_info;
	struct snd_sst_alloc_response *response;
	unsigned int str_id, pipe_id, task_id;
	int i, num_ch, ret = 0;
	void *data = NULL;

	dev_dbg(sst_drv_ctx->dev, "Enter\n");
	BUG_ON(!params);

	str_params = (struct snd_sst_params *)params;
	memset(&alloc_param, 0, sizeof(alloc_param));
	alloc_param.operation = str_params->ops;
	alloc_param.codec_type = str_params->codec;
	alloc_param.sg_count = str_params->aparams.sg_count;
	alloc_param.ring_buf_info[0].addr =
		str_params->aparams.ring_buf_info[0].addr;
	alloc_param.ring_buf_info[0].size =
		str_params->aparams.ring_buf_info[0].size;
	alloc_param.frag_size = str_params->aparams.frag_size;

	memcpy(&alloc_param.codec_params, &str_params->sparams,
			sizeof(struct snd_sst_stream_params));

	/*
	 * fill channel map params for multichannel support.
	 * Ideally channel map should be received from upper layers
	 * for multichannel support.
	 * Currently hardcoding as per FW reqm.
	 */
	num_ch = sst_get_num_channel(str_params);
	for (i = 0; i < 8; i++) {
		if (i < num_ch)
			alloc_param.codec_params.uc.pcm_params.channel_map[i] = i;
		else
			alloc_param.codec_params.uc.pcm_params.channel_map[i] = 0xFF;
	}

	str_id = str_params->stream_id;
	str_info = get_stream_info(sst_drv_ctx, str_id);
	if (str_info == NULL) {
		dev_err(sst_drv_ctx->dev, "get stream info returned null\n");
		return -EINVAL;
	}

	pipe_id = str_params->device_type;
	task_id = str_params->task;
	sst_drv_ctx->streams[str_id].pipe_id = pipe_id;
	sst_drv_ctx->streams[str_id].task_id = task_id;
	sst_drv_ctx->streams[str_id].num_ch = num_ch;

	if (sst_drv_ctx->info.lpe_viewpt_rqd)
		alloc_param.ts = sst_drv_ctx->info.mailbox_start +
			sst_drv_ctx->tstamp + (str_id * sizeof(fw_tstamp));
	else
		alloc_param.ts = sst_drv_ctx->mailbox_add +
			sst_drv_ctx->tstamp + (str_id * sizeof(fw_tstamp));

	dev_dbg(sst_drv_ctx->dev, "alloc tstamp location = 0x%x\n",
			alloc_param.ts);
	dev_dbg(sst_drv_ctx->dev, "assigned pipe id 0x%x to task %d\n",
			pipe_id, task_id);

	/* allocate device type context */
	sst_init_stream(&sst_drv_ctx->streams[str_id], alloc_param.codec_type,
			str_id, alloc_param.operation, 0);

	dev_info(sst_drv_ctx->dev, "Alloc for str %d pipe %#x\n",
			str_id, pipe_id);
	ret = sst_prepare_and_post_msg(sst_drv_ctx, task_id, IPC_CMD,
			IPC_IA_ALLOC_STREAM_MRFLD, pipe_id, sizeof(alloc_param),
			&alloc_param, data, true, true, false, true);

	if (ret < 0) {
		dev_err(sst_drv_ctx->dev, "FW alloc failed ret %d\n", ret);
		/* alloc failed, so reset the state to uninit */
		str_info->status = STREAM_UN_INIT;
		str_id = ret;
	} else if (data) {
		response = (struct snd_sst_alloc_response *)data;
		ret = response->str_type.result;
		if (!ret)
			goto out;
		dev_err(sst_drv_ctx->dev, "FW alloc failed ret %d\n", ret);
		if (ret == SST_ERR_STREAM_IN_USE) {
			dev_err(sst_drv_ctx->dev,
				"FW not in clean state, send free for:%d\n", str_id);
			sst_free_stream(sst_drv_ctx, str_id);
		}
		str_id = -ret;
	}
out:
	kfree(data);
	return str_id;
}
示例#3
0
/**
 * sst_alloc_stream - Send msg for a new stream ID
 *
 * @params:	stream params
 * @stream_ops:	operation of stream PB/capture
 * @codec:	codec for stream
 * @device:	device stream to be allocated for
 *
 * This function is called by any function which wants to start
 * a new stream. This also check if a stream exists which is idle
 * it initializes idle stream id to this request
 */
int sst_alloc_stream_clv(char *params)
{
	struct ipc_post *msg = NULL;
	struct snd_sst_alloc_params alloc_param;
	unsigned int pcm_slot = 0x03, num_ch;
	int str_id;
	struct snd_sst_params *str_params;
	struct snd_sst_stream_params *sparams;
	struct snd_sst_alloc_params_ext *aparams;
	struct stream_info *str_info;
	unsigned int stream_ops, device;
	unsigned long irq_flags;
	u8 codec;

	pr_debug("In %s\n", __func__);

	BUG_ON(!params);
	str_params = (struct snd_sst_params *)params;
	stream_ops = str_params->ops;
	codec = str_params->codec;
	device = str_params->device_type;
	sparams = &str_params->sparams;
	aparams = &str_params->aparams;
	num_ch = sst_get_num_channel(str_params);

	pr_debug("period_size = %d\n", aparams->frag_size);
	pr_debug("ring_buf_addr = 0x%x\n", aparams->ring_buf_info[0].addr);
	pr_debug("ring_buf_size = %d\n", aparams->ring_buf_info[0].size);
	pr_debug("In alloc device_type=%d\n", str_params->device_type);
	pr_debug("In alloc sg_count =%d\n", aparams->sg_count);

	mutex_lock(&sst_drv_ctx->stream_lock);
	str_id = get_clv_stream_id(device);
	mutex_unlock(&sst_drv_ctx->stream_lock);
	if (str_id <= 0)
		return -EBUSY;

	/*allocate device type context*/
	sst_init_stream(&sst_drv_ctx->streams[str_id], codec,
			str_id, stream_ops, pcm_slot);
	/* send msg to FW to allocate a stream */
	if (sst_create_large_msg(&msg))
		return -ENOMEM;

	alloc_param.str_type.codec_type = codec;
	alloc_param.str_type.str_type = SST_STREAM_TYPE_MUSIC;
	alloc_param.str_type.operation = stream_ops;
	alloc_param.str_type.protected_str = 0; /* non drm */
	alloc_param.str_type.time_slots = pcm_slot;
	alloc_param.str_type.reserved = 0;
	alloc_param.str_type.result = 0;
	memcpy(&alloc_param.stream_params, sparams,
			sizeof(struct snd_sst_stream_params));
	memcpy(&alloc_param.alloc_params, aparams,
			sizeof(struct snd_sst_alloc_params_ext));


	if (sst_drv_ctx->pci_id == SST_CLV_PCI_ID) {
		sst_fill_header(&msg->header, IPC_IA_ALLOC_STREAM, 1, str_id);
		msg->header.part.data = sizeof(alloc_param) + sizeof(u32);
		memcpy(msg->mailbox_data, &msg->header, sizeof(u32));
		memcpy(msg->mailbox_data + sizeof(u32), &alloc_param,
			sizeof(alloc_param));
	} else {
		sst_fill_header_mrfld(&msg->mrfld_header, IPC_IA_ALLOC_STREAM,
								1, str_id);
		msg->mrfld_header.p.header_low_payload =
				sizeof(alloc_param) + sizeof(u64);
		memcpy(msg->mailbox_data, &msg->mrfld_header.p.header_high.full,
								sizeof(u32));
		memcpy(msg->mailbox_data + sizeof(u32),
			&msg->mrfld_header.p.header_low_payload, sizeof(u32));
		memcpy(msg->mailbox_data + sizeof(u64), &alloc_param,
			sizeof(alloc_param));
	}
	str_info = &sst_drv_ctx->streams[str_id];
	str_info->ctrl_blk.condition = false;
	str_info->ctrl_blk.ret_code = 0;
	str_info->ctrl_blk.on = true;
	str_info->num_ch = num_ch;
	spin_lock_irqsave(&sst_drv_ctx->ipc_spin_lock, irq_flags);
	list_add_tail(&msg->node, &sst_drv_ctx->ipc_dispatch_list);
	spin_unlock_irqrestore(&sst_drv_ctx->ipc_spin_lock, irq_flags);
	sst_drv_ctx->ops->post_message(&sst_drv_ctx->ipc_post_msg_wq);
	return str_id;
}
int sst_alloc_stream_mrfld(char *params, struct sst_block *block)
{
	struct ipc_post *msg = NULL;
	struct snd_sst_alloc_mrfld alloc_param;
	struct ipc_dsp_hdr dsp_hdr;
	struct snd_sst_params *str_params;
	struct snd_sst_tstamp fw_tstamp;
	unsigned int str_id, pipe_id, pvt_id, task_id;
	u32 len = 0;
	struct stream_info *str_info;
	unsigned long irq_flags;
	int i, num_ch;

	pr_debug("In %s\n", __func__);
	BUG_ON(!params);

	str_params = (struct snd_sst_params *)params;
	memset(&alloc_param, 0, sizeof(alloc_param));
	alloc_param.operation = str_params->ops;
	alloc_param.codec_type = str_params->codec;
	alloc_param.sg_count = str_params->aparams.sg_count;
	alloc_param.ring_buf_info[0].addr = str_params->aparams.ring_buf_info[0].addr;
	alloc_param.ring_buf_info[0].size = str_params->aparams.ring_buf_info[0].size;
	alloc_param.frag_size = str_params->aparams.frag_size;

	memcpy(&alloc_param.codec_params, &str_params->sparams,
			sizeof(struct snd_sst_stream_params));

	/* fill channel map params for multichannel support.
	 * Ideally channel map should be received from upper layers
	 * for multichannel support.
	 * Currently hardcoding as per FW reqm.
	 */
	num_ch = sst_get_num_channel(str_params);
	for (i = 0; i < 8; i++) {
		if (i < num_ch)
			alloc_param.codec_params.uc.pcm_params.channel_map[i] = i;
		else
			alloc_param.codec_params.uc.pcm_params.channel_map[i] = 0xFF;
	}

	str_id = str_params->stream_id;
	pipe_id = str_params->device_type;
	task_id = str_params->task;
	sst_drv_ctx->streams[str_id].pipe_id = pipe_id;
	sst_drv_ctx->streams[str_id].task_id = task_id;
	sst_drv_ctx->streams[str_id].num_ch = num_ch;

	pvt_id = sst_assign_pvt_id(sst_drv_ctx);
	alloc_param.ts = (struct snd_sst_tstamp *) (sst_drv_ctx->mailbox_add +
			sst_drv_ctx->tstamp + (str_id * sizeof(fw_tstamp)));
	pr_debug("alloc tstamp location = 0x%p\n", alloc_param.ts);
	pr_debug("assigned pipe id 0x%x to task %d\n", pipe_id, task_id);

	/*allocate device type context*/
	sst_init_stream(&sst_drv_ctx->streams[str_id], alloc_param.codec_type,
			str_id, alloc_param.operation, 0);
	/* send msg to FW to allocate a stream */
	if (sst_create_ipc_msg(&msg, true))
		return -ENOMEM;

	block->drv_id = pvt_id;
	block->msg_id = IPC_CMD;

	sst_fill_header_mrfld(&msg->mrfld_header, IPC_CMD,
			      task_id, 1, pvt_id);
	pr_debug("header:%x\n", msg->mrfld_header.p.header_high.full);
	msg->mrfld_header.p.header_high.part.res_rqd = 1;

	len = msg->mrfld_header.p.header_low_payload = sizeof(alloc_param) + sizeof(dsp_hdr);
	sst_fill_header_dsp(&dsp_hdr, IPC_IA_ALLOC_STREAM_MRFLD, pipe_id, sizeof(alloc_param));
	memcpy(msg->mailbox_data, &dsp_hdr, sizeof(dsp_hdr));
	memcpy(msg->mailbox_data + sizeof(dsp_hdr), &alloc_param,
			sizeof(alloc_param));
	str_info = &sst_drv_ctx->streams[str_id];
	pr_debug("header:%x\n", msg->mrfld_header.p.header_high.full);
	pr_debug("response rqd: %x", msg->mrfld_header.p.header_high.part.res_rqd);
	spin_lock_irqsave(&sst_drv_ctx->ipc_spin_lock, irq_flags);
	list_add_tail(&msg->node, &sst_drv_ctx->ipc_dispatch_list);
	spin_unlock_irqrestore(&sst_drv_ctx->ipc_spin_lock, irq_flags);
	pr_debug("calling post_message\n");
	sst_drv_ctx->ops->post_message(&sst_drv_ctx->ipc_post_msg_wq);
	return str_id;
}