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Commit 0d898c47 authored by Da Hoon Pyun's avatar Da Hoon Pyun
Browse files

msm: npu: Add support to get firmware capabilities 



Add new property ID MSM_NPU_PROP_ID_FW_GETCAPS to retrieve firmware
capabilities. In order to allow get/set firmware properties when no
network is loaded, firmware will be enabled before sending command
to firmware and disabled afterwards.

Change-Id: I40d12c96dba6dd18e5eee147f2729b707aa1ef13
Signed-off-by: default avatarDa Hoon Pyun <dpyun@codeaurora.org>
parent 3a7043cb

drivers/media/platform/msm/npu_v2/npu_dev.c

+1 −10
Original line number Diff line number Diff line
@@ -1363,12 +1363,6 @@ static int npu_set_fw_state(struct npu_client *client, uint32_t enable) 
	struct npu_host_ctx *host_ctx = &npu_dev->host_ctx;

	int rc = 0;



	if (host_ctx->network_num > 0) {

		NPU_ERR("Need to unload network first\n");

		mutex_unlock(&npu_dev->dev_lock);

		return -EINVAL;

	}



	if (enable) {

		NPU_DBG("enable fw\n");

		rc = enable_fw(npu_dev);
@@ -1378,9 +1372,6 @@ static int npu_set_fw_state(struct npu_client *client, uint32_t enable) 
			host_ctx->npu_init_cnt++;

			NPU_DBG("npu_init_cnt %d\n",

				host_ctx->npu_init_cnt);

			/* set npu to lowest power level */

			if (npu_set_uc_power_level(npu_dev, 1))

				NPU_WARN("Failed to set uc power level\n");

		}

	} else if (host_ctx->npu_init_cnt > 0) {

		NPU_DBG("disable fw\n");
@@ -1477,7 +1468,7 @@ static int npu_get_property(struct npu_client *client, 
	default:

		ret = npu_host_get_fw_property(client->npu_dev, &prop);

		if (ret) {

			NPU_ERR("npu_host_set_fw_property failed\n");

			NPU_ERR("npu_host_get_fw_property failed\n");

			return ret;

		}

		break;

drivers/media/platform/msm/npu_v2/npu_mgr.c

+94 −11
Original line number Diff line number Diff line
@@ -92,6 +92,7 @@ static void npu_dequeue_misc_cmd(struct npu_host_ctx *ctx, 
	struct npu_misc_cmd *cmd);

static struct npu_misc_cmd *npu_find_misc_cmd(struct npu_host_ctx *ctx,

	uint32_t trans_id);

static int npu_get_fw_caps(struct npu_device *npu_dev);



/* -------------------------------------------------------------------------

 * Function Definitions - Init / Deinit
@@ -218,6 +219,37 @@ static int load_fw_nolock(struct npu_device *npu_dev, bool enable) 
	return ret;

}



static int npu_get_fw_caps(struct npu_device *npu_dev)

{

	int ret = 0, i;

	struct npu_host_ctx *host_ctx = &npu_dev->host_ctx;



	if (host_ctx->fw_caps_valid) {

		NPU_DBG("cached fw caps available\n");

		return ret;

	}



	memset(&host_ctx->fw_caps, 0, sizeof(host_ctx->fw_caps));

	host_ctx->fw_caps.prop_id = MSM_NPU_PROP_ID_FW_GETCAPS;

	host_ctx->fw_caps.num_of_params = PROP_PARAM_MAX_SIZE;



	ret = npu_host_get_fw_property(npu_dev, &host_ctx->fw_caps);

	if (!ret) {

		NPU_DBG("Get fw caps successfully\n");

		host_ctx->fw_caps_valid = true;



		for (i = 0; i < host_ctx->fw_caps.num_of_params; i++)

			NPU_INFO("fw caps %d:%x\n", i,

				host_ctx->fw_caps.prop_param[i]);

	} else {

		/* save the return code */

		host_ctx->fw_caps_err_code = ret;

		NPU_ERR("get fw caps failed %d\n", ret);

	}



	return ret;

}



static void npu_load_fw_work(struct work_struct *work)

{

	int ret;
@@ -231,8 +263,12 @@ static void npu_load_fw_work(struct work_struct *work) 
	ret = load_fw_nolock(npu_dev, false);

	mutex_unlock(&host_ctx->lock);



	if (ret)

	if (ret) {

		NPU_ERR("load fw failed %d\n", ret);

		return;

	}



	npu_get_fw_caps(npu_dev);

}



int load_fw(struct npu_device *npu_dev)
@@ -272,6 +308,8 @@ int unload_fw(struct npu_device *npu_dev) 


	subsystem_put_local(host_ctx->subsystem_handle);

	host_ctx->fw_state = FW_UNLOADED;

	host_ctx->fw_caps_valid = false;

	host_ctx->fw_caps_err_code = 0;

	NPU_DBG("fw is unloaded\n");

	mutex_unlock(&host_ctx->lock);
@@ -769,6 +807,8 @@ int npu_host_init(struct npu_device *npu_dev) 


	INIT_LIST_HEAD(&host_ctx->misc_cmd_list);

	host_ctx->auto_pil_disable = false;

	host_ctx->fw_caps_valid = false;

	host_ctx->fw_caps_err_code = 0;



	return 0;
@@ -2155,7 +2195,13 @@ int32_t npu_host_set_fw_property(struct npu_device *npu_dev, 
		break;

	default:

		NPU_ERR("unsupported property %d\n", property->prop_id);

		goto set_prop_exit;

		goto free_prop_packet;

	}



	ret = enable_fw(npu_dev);

	if (ret) {

		NPU_ERR("failed to enable fw\n");

		goto free_prop_packet;

	}



	prop_packet->header.cmd_type = NPU_IPC_CMD_SET_PROPERTY;
@@ -2170,16 +2216,17 @@ int32_t npu_host_set_fw_property(struct npu_device *npu_dev, 
	for (i = 0; i < num_of_params; i++)

		prop_packet->prop_param[i] = property->prop_param[i];



	mutex_lock(&host_ctx->lock);

	misc_cmd = npu_alloc_misc_cmd(host_ctx);

	if (!misc_cmd) {

		NPU_ERR("Can't allocate misc_cmd\n");

		ret = -ENOMEM;

		goto set_prop_exit;

		goto disable_fw;

	}



	misc_cmd->cmd_type = NPU_IPC_CMD_SET_PROPERTY;

	misc_cmd->trans_id = prop_packet->header.trans_id;



	mutex_lock(&host_ctx->lock);

	npu_queue_misc_cmd(host_ctx, misc_cmd);



	ret = npu_send_misc_cmd(npu_dev, IPC_QUEUE_APPS_EXEC,
@@ -2213,10 +2260,13 @@ int32_t npu_host_set_fw_property(struct npu_device *npu_dev, 


free_misc_cmd:

	npu_dequeue_misc_cmd(host_ctx, misc_cmd);

	npu_free_misc_cmd(host_ctx, misc_cmd);

set_prop_exit:

	mutex_unlock(&host_ctx->lock);

	npu_free_misc_cmd(host_ctx, misc_cmd);

disable_fw:

	disable_fw(npu_dev);

free_prop_packet:

	kfree(prop_packet);



	return ret;

}
@@ -2234,6 +2284,15 @@ int32_t npu_host_get_fw_property(struct npu_device *npu_dev, 
		NPU_ERR("Not supported fw property id %x\n",

			property->prop_id);

		return -EINVAL;

	} else if (property->prop_id == MSM_NPU_PROP_ID_FW_GETCAPS) {

		if (host_ctx->fw_caps_valid) {

			NPU_DBG("return cached fw_caps\n");

			memcpy(property, &host_ctx->fw_caps, sizeof(*property));

			return 0;

		} else if (host_ctx->fw_caps_err_code) {

			NPU_DBG("return cached error code\n");

			return host_ctx->fw_caps_err_code;

		}

	}



	num_of_params = min_t(uint32_t, property->num_of_params,
@@ -2244,6 +2303,12 @@ int32_t npu_host_get_fw_property(struct npu_device *npu_dev, 
	if (!prop_packet)

		return -ENOMEM;



	ret = enable_fw(npu_dev);

	if (ret) {

		NPU_ERR("failed to enable fw\n");

		goto free_prop_packet;

	}



	prop_packet->header.cmd_type = NPU_IPC_CMD_GET_PROPERTY;

	prop_packet->header.size = pkt_size;

	prop_packet->header.trans_id =
@@ -2256,16 +2321,17 @@ int32_t npu_host_get_fw_property(struct npu_device *npu_dev, 
	for (i = 0; i < num_of_params; i++)

		prop_packet->prop_param[i] = property->prop_param[i];



	mutex_lock(&host_ctx->lock);

	misc_cmd = npu_alloc_misc_cmd(host_ctx);

	if (!misc_cmd) {

		NPU_ERR("Can't allocate misc_cmd\n");

		ret = -ENOMEM;

		goto get_prop_exit;

		goto disable_fw;

	}



	misc_cmd->cmd_type = NPU_IPC_CMD_GET_PROPERTY;

	misc_cmd->trans_id = prop_packet->header.trans_id;



	mutex_lock(&host_ctx->lock);

	npu_queue_misc_cmd(host_ctx, misc_cmd);



	ret = npu_send_misc_cmd(npu_dev, IPC_QUEUE_APPS_EXEC,
@@ -2294,26 +2360,43 @@ int32_t npu_host_get_fw_property(struct npu_device *npu_dev, 
	}



	ret = misc_cmd->ret_status;

	prop_from_fw = &misc_cmd->u.prop;

	if (!ret) {

		/* Return prop data retrieved from fw to user */

		prop_from_fw = &misc_cmd->u.prop;

		if (property->prop_id == prop_from_fw->prop_id &&

			property->network_hdl == prop_from_fw->network_hdl) {

			num_of_params = min_t(uint32_t,

				prop_from_fw->num_of_params,

				(uint32_t)PROP_PARAM_MAX_SIZE);

			property->num_of_params = num_of_params;

			for (i = 0; i < num_of_params; i++)

				property->prop_param[i] =

					prop_from_fw->prop_param[i];

		} else {

			NPU_WARN("Not Match: id %x:%x hdl %x:%x\n",

				property->prop_id, prop_from_fw->prop_id,

				property->network_hdl,

				prop_from_fw->network_hdl);

			property->num_of_params = 0;

		}

	} else {

		NPU_ERR("get fw property failed %d\n", ret);

		NPU_ERR("prop_id: %x\n", prop_from_fw->prop_id);

		NPU_ERR("network_hdl: %x\n", prop_from_fw->network_hdl);

		NPU_ERR("param_num: %x\n", prop_from_fw->num_of_params);

		for (i = 0; i < prop_from_fw->num_of_params; i++)

			NPU_ERR("%x\n", prop_from_fw->prop_param[i]);

	}



free_misc_cmd:

	npu_dequeue_misc_cmd(host_ctx, misc_cmd);

	npu_free_misc_cmd(host_ctx, misc_cmd);

get_prop_exit:

	mutex_unlock(&host_ctx->lock);

	npu_free_misc_cmd(host_ctx, misc_cmd);

disable_fw:

	disable_fw(npu_dev);

free_prop_packet:

	kfree(prop_packet);



	return ret;

}

drivers/media/platform/msm/npu_v2/npu_mgr.h

+4 −0
Original line number Diff line number Diff line
@@ -147,6 +147,10 @@ struct npu_host_ctx { 
	bool bridge_mbox_pwr_on;

	void *ipc_msg_buf;

	struct list_head misc_cmd_list;



	struct msm_npu_property fw_caps;

	bool fw_caps_valid;

	uint32_t fw_caps_err_code;

};



struct npu_device;

include/uapi/linux/msm_npu.h

+1 −0
Original line number Diff line number Diff line
@@ -82,6 +82,7 @@ 
#define MSM_NPU_PROP_ID_CLK_GATING_MODE (MSM_NPU_FW_PROP_ID_START + 2)

#define MSM_NPU_PROP_ID_HW_VERSION (MSM_NPU_FW_PROP_ID_START + 3)

#define MSM_NPU_PROP_ID_FW_VERSION (MSM_NPU_FW_PROP_ID_START + 4)

#define MSM_NPU_PROP_ID_FW_GETCAPS (MSM_NPU_FW_PROP_ID_START + 5)



/* features supported by driver */

#define MSM_NPU_FEATURE_MULTI_EXECUTE  0x1