Merge "msm: camera: ife: IFE debug enhancement for overflow debugging" into camera-kernel.lnx.4.0 (aa71c1c0) · Commits · e / devices / android_kernel_fairphone_FP5

drivers/cam_cpas/cam_cpas_hw.c

+65 −4

Original line number	Diff line number	Diff line
		@@ -134,7 +134,7 @@ static int cam_cpas_util_vote_bus_client_level(

		static int cam_cpas_util_vote_bus_client_bw(
		struct cam_cpas_bus_client *bus_client, uint64_t ab, uint64_t ib,
		bool camnoc_bw)
		bool camnoc_bw, uint64_t applied_ab, uint64_t applied_ib)
		{
		int rc = 0;
		uint64_t min_camnoc_ib_bw = CAM_CPAS_AXI_MIN_CAMNOC_IB_BW;
		@@ -193,6 +193,11 @@ static int cam_cpas_util_vote_bus_client_bw(
		goto unlock_client;
		}

		if (applied_ab)
		*applied_ab = ab;
		if (applied_ib)
		*applied_ib = ib;

		unlock_client:
		mutex_unlock(&bus_client->lock);
		end:
		@@ -311,6 +316,7 @@ static int cam_cpas_util_vote_default_ahb_axi(struct cam_hw_info *cpas_hw,
		int rc, i = 0;
		struct cam_cpas cpas_core = (struct cam_cpas )cpas_hw->core_info;
		uint64_t ab_bw, ib_bw;
		uint64_t applied_ab_bw = 0, applied_ib_bw = 0;

		rc = cam_cpas_util_vote_bus_client_level(&cpas_core->ahb_bus_client,
		(enable == true) ? CAM_SVS_VOTE : CAM_SUSPEND_VOTE);
		@@ -331,13 +337,15 @@ static int cam_cpas_util_vote_default_ahb_axi(struct cam_hw_info *cpas_hw,
		for (i = 0; i < cpas_core->num_axi_ports; i++) {
		rc = cam_cpas_util_vote_bus_client_bw(
		&cpas_core->axi_port[i].bus_client,
		ab_bw, ib_bw, false);
		ab_bw, ib_bw, false, &applied_ab_bw, &applied_ib_bw);
		if (rc) {
		CAM_ERR(CAM_CPAS,
		"Failed in mnoc vote, enable=%d, rc=%d",
		enable, rc);
		goto remove_ahb_vote;
		}
		cpas_core->axi_port[i].applied_ab_bw = applied_ab_bw;
		cpas_core->axi_port[i].applied_ib_bw = applied_ib_bw;
		}

		return 0;
		@@ -518,6 +526,8 @@ static int cam_cpas_util_set_camnoc_axi_clk_rate(
		CAM_ERR(CAM_CPAS,
		"Failed in setting camnoc axi clk %llu %d %d",
		required_camnoc_bw, clk_rate, rc);

		cpas_core->applied_camnoc_axi_rate = clk_rate;
		}
		}

		@@ -699,6 +709,7 @@ static int cam_cpas_camnoc_set_vote_axi_clk_rate(
		int rc = 0;
		struct cam_cpas_axi_port *camnoc_axi_port = NULL;
		uint64_t camnoc_bw;
		uint64_t applied_ab = 0, applied_ib = 0;

		if (soc_private->control_camnoc_axi_clk) {
		rc = cam_cpas_util_set_camnoc_axi_clk_rate(cpas_hw);
		@@ -739,7 +750,7 @@ static int cam_cpas_camnoc_set_vote_axi_clk_rate(

		rc = cam_cpas_util_vote_bus_client_bw(
		&camnoc_axi_port->bus_client,
		0, camnoc_bw, true);
		0, camnoc_bw, true, &applied_ab, &applied_ib);

		CAM_DBG(CAM_CPAS,
		"camnoc vote camnoc_bw[%llu] rc=%d %s",
		@@ -750,6 +761,8 @@ static int cam_cpas_camnoc_set_vote_axi_clk_rate(
		camnoc_bw, rc);
		break;
		}
		camnoc_axi_port->applied_ab_bw = applied_ab;
		camnoc_axi_port->applied_ib_bw = applied_ib;
		}
		return rc;
		}
		@@ -772,6 +785,7 @@ static int cam_cpas_util_apply_client_axi_vote(
		curr_camnoc_old = 0, curr_mnoc_ab_old = 0, curr_mnoc_ib_old = 0,
		par_camnoc_old = 0, par_mnoc_ab_old = 0, par_mnoc_ib_old = 0;
		int rc = 0, i = 0;
		uint64_t applied_ab = 0, applied_ib = 0;

		mutex_lock(&cpas_core->tree_lock);
		if (!cpas_client->tree_node_valid) {
		@@ -947,13 +961,16 @@ static int cam_cpas_util_apply_client_axi_vote(

		rc = cam_cpas_util_vote_bus_client_bw(
		&mnoc_axi_port->bus_client,
		mnoc_ab_bw, mnoc_ib_bw, false);
		mnoc_ab_bw, mnoc_ib_bw, false, &applied_ab,
		&applied_ib);
		if (rc) {
		CAM_ERR(CAM_CPAS,
		"Failed in mnoc vote ab[%llu] ib[%llu] rc=%d",
		mnoc_ab_bw, mnoc_ib_bw, rc);
		goto unlock_tree;
		}
		mnoc_axi_port->applied_ab_bw = applied_ab;
		mnoc_axi_port->applied_ib_bw = applied_ib;
		}
		rc = cam_cpas_camnoc_set_vote_axi_clk_rate(
		cpas_hw, camnoc_axi_port_updated);
		@@ -1703,6 +1720,46 @@ static int cam_cpas_hw_get_hw_info(void *hw_priv,
		return 0;
		}

		static int cam_cpas_log_vote(struct cam_hw_info *cpas_hw)
		{
		struct cam_cpas cpas_core = (struct cam_cpas ) cpas_hw->core_info;
		struct cam_cpas_private_soc *soc_private =
		(struct cam_cpas_private_soc *) cpas_hw->soc_info.soc_private;
		int rc = 0;
		uint32_t i;

		for (i = 0; i < cpas_core->num_axi_ports; i++) {
		CAM_INFO(CAM_CPAS,
		"[%s] ab_bw[%lld] ib_bw[%lld] additional_bw[%lld] applied_ab[%lld] applied_ib[%lld]",
		cpas_core->axi_port[i].axi_port_name,
		cpas_core->axi_port[i].ab_bw,
		cpas_core->axi_port[i].ib_bw,
		cpas_core->axi_port[i].additional_bw,
		cpas_core->axi_port[i].applied_ab_bw,
		cpas_core->axi_port[i].applied_ib_bw);
		}

		if (soc_private->control_camnoc_axi_clk) {
		CAM_INFO(CAM_CPAS, "applied camnoc axi clk[%lld]",
		cpas_core->applied_camnoc_axi_rate);
		} else {
		for (i = 0; i < cpas_core->num_camnoc_axi_ports; i++) {
		CAM_INFO(CAM_CPAS,
		"[%s] ab_bw[%lld] ib_bw[%lld] additional_bw[%lld] applied_ab[%lld] applied_ib[%lld]",
		cpas_core->camnoc_axi_port[i].axi_port_name,
		cpas_core->camnoc_axi_port[i].ab_bw,
		cpas_core->camnoc_axi_port[i].ib_bw,
		cpas_core->camnoc_axi_port[i].additional_bw,
		cpas_core->camnoc_axi_port[i].applied_ab_bw,
		cpas_core->camnoc_axi_port[i].applied_ib_bw);
		}
		}

		CAM_INFO(CAM_CPAS, "ahb client curr vote level[%d]",
		cpas_core->ahb_bus_client.curr_vote_level);

		return rc;
		}

		static int cam_cpas_hw_process_cmd(void *hw_priv,
		uint32_t cmd_type, void *cmd_args, uint32_t arg_size)
		@@ -1806,6 +1863,10 @@ static int cam_cpas_hw_process_cmd(void *hw_priv,
		cmd_axi_vote->client_handle, cmd_axi_vote->axi_vote);
		break;
		}
		case CAM_CPAS_HW_CMD_LOG_VOTE: {
		rc = cam_cpas_log_vote(hw_priv);
		break;
		}
		default:
		CAM_ERR(CAM_CPAS, "CPAS HW command not valid =%d", cmd_type);
		break;

drivers/cam_cpas/cam_cpas_hw.h

+6 −0

Original line number	Diff line number	Diff line
		@@ -144,6 +144,8 @@ struct cam_cpas_bus_client {
		* @ib_bw: IB bw value for this port
		* @camnoc_bw: CAMNOC bw value for this port
		* @additional_bw: Additional bandwidth to cover non-hw cpas clients
		* @applied_ab_bw: applied ab bw for this port
		* @applied_ib_bw: applied ib bw for this port
		*/
		struct cam_cpas_axi_port {
		const char *axi_port_name;
		@@ -154,6 +156,8 @@ struct cam_cpas_axi_port {
		uint64_t ib_bw;
		uint64_t camnoc_bw;
		uint64_t additional_bw;
		uint64_t applied_ab_bw;
		uint64_t applied_ib_bw;
		};

		/**
		@@ -178,6 +182,7 @@ struct cam_cpas_axi_port {
		* @irq_count_wq: wait variable to ensure all irq's are handled
		* @dentry: debugfs file entry
		* @ahb_bus_scaling_disable: ahb scaling based on src clk corner for bus
		* @applied_camnoc_axi_rate: applied camnoc axi clock rate
		*/
		struct cam_cpas {
		struct cam_cpas_hw_caps hw_caps;
		@@ -199,6 +204,7 @@ struct cam_cpas {
		wait_queue_head_t irq_count_wq;
		struct dentry *dentry;
		bool ahb_bus_scaling_disable;
		uint64_t applied_camnoc_axi_rate;
		};

		int cam_camsstop_get_internal_ops(struct cam_cpas_internal_ops *internal_ops);

drivers/cam_cpas/cam_cpas_hw_intf.h

+2 −1

Original line number	Diff line number	Diff line
		/* SPDX-License-Identifier: GPL-2.0-only */
		/*
		* Copyright (c) 2017-2019, The Linux Foundation. All rights reserved.
		* Copyright (c) 2017-2020, The Linux Foundation. All rights reserved.
		*/

		#ifndef _CAM_CPAS_HW_INTF_H_
		@@ -38,6 +38,7 @@ enum cam_cpas_hw_cmd_process {
		CAM_CPAS_HW_CMD_REG_READ,
		CAM_CPAS_HW_CMD_AHB_VOTE,
		CAM_CPAS_HW_CMD_AXI_VOTE,
		CAM_CPAS_HW_CMD_LOG_VOTE,
		CAM_CPAS_HW_CMD_INVALID,
		};

drivers/cam_cpas/cam_cpas_intf.c

+24 −0

Original line number	Diff line number	Diff line
		@@ -405,6 +405,30 @@ int cam_cpas_start(uint32_t client_handle,
		}
		EXPORT_SYMBOL(cam_cpas_start);

		void cam_cpas_log_votes(void)
		{
		uint32_t dummy_args;
		int rc;

		if (!CAM_CPAS_INTF_INITIALIZED()) {
		CAM_ERR(CAM_CPAS, "cpas intf not initialized");
		return;
		}

		if (g_cpas_intf->hw_intf->hw_ops.process_cmd) {
		rc = g_cpas_intf->hw_intf->hw_ops.process_cmd(
		g_cpas_intf->hw_intf->hw_priv,
		CAM_CPAS_HW_CMD_LOG_VOTE, &dummy_args,
		sizeof(dummy_args));
		if (rc)
		CAM_ERR(CAM_CPAS, "Failed in process_cmd, rc=%d", rc);
		} else {
		CAM_ERR(CAM_CPAS, "Invalid process_cmd ops");
		}

		}
		EXPORT_SYMBOL(cam_cpas_log_votes);

		int cam_cpas_unregister_client(uint32_t client_handle)
		{
		int rc;

drivers/cam_cpas/include/cam_cpas_api.h

+10 −0

Original line number	Diff line number	Diff line
		@@ -622,5 +622,15 @@ const char *cam_cpas_axi_util_path_type_to_string(
		const char *cam_cpas_axi_util_trans_type_to_string(
		uint32_t path_data_type);

		/**
		* cam_cpas_log_votes()
		*
		* @brief: API to print the all bw votes of axi client. It also print the
		* applied camnoc axi clock vote value and ahb vote value
		*
		* @return 0 on success.
		*
		*/
		void cam_cpas_log_votes(void);

		#endif /* _CAM_CPAS_API_H_ */