msm: camera: common: Add drv debug flag to enable logging

Add debug drv flag to enable info logging for drv.

CRs-Fixed: 3065551
Change-Id: Ief9e2a84a379b9f0261567bcf13e2405f3c97d15
Signed-off-by: Mukund Madhusudan Atre <[email protected]>

drivers/cam_cpas/cam_cpas_hw.c

@@ -199,6 +199,12 @@ static int cam_cpas_util_vote_drv_bus_client_bw(struct cam_cpas_bus_client *bus_
 		(curr_vote->drv_vote.high.ib < CAM_CPAS_AXI_MIN_MNOC_IB_BW))
 		curr_vote->drv_vote.high.ib = CAM_CPAS_AXI_MIN_MNOC_IB_BW;
 
+	if (debug_drv)
+		CAM_INFO(CAM_CPAS, "Bus_client: %s, DRV vote high=[%llu %llu] low=[%llu %llu]",
+			bus_client->common_data.name, curr_vote->drv_vote.high.ab,
+			curr_vote->drv_vote.high.ib, curr_vote->drv_vote.low.ab,
+			curr_vote->drv_vote.low.ib);
+
 	CAM_DBG(CAM_CPAS, "Bus_client: %s, DRV vote high=[%llu %llu] low=[%llu %llu]",
 		bus_client->common_data.name, curr_vote->drv_vote.high.ab,
 		curr_vote->drv_vote.high.ib, curr_vote->drv_vote.low.ab,
@@ -1419,6 +1425,11 @@ vote_start_clients:
 					goto unlock_tree;
 				}
 
+				if (debug_drv)
+					CAM_INFO(CAM_CPAS, "Started rsc dev %s mnoc port:%s",
+						dev_name(mnoc_axi_port->cam_rsc_dev),
+						mnoc_axi_port->axi_port_name);
+
 				CAM_DBG(CAM_CPAS, "Started rsc dev %s mnoc port:%s",
 					dev_name(mnoc_axi_port->cam_rsc_dev),
 					mnoc_axi_port->axi_port_name);
@@ -1436,6 +1447,11 @@ vote_start_clients:
 					goto unlock_tree;
 				}
 
+				if (debug_drv)
+					CAM_INFO(CAM_CPAS, "Stopped rsc dev %s mnoc port:%s",
+						dev_name(mnoc_axi_port->cam_rsc_dev),
+						mnoc_axi_port->axi_port_name);
+
 				CAM_DBG(CAM_CPAS, "Stopped rsc dev %s mnoc port:%s",
 					dev_name(mnoc_axi_port->cam_rsc_dev),
 					mnoc_axi_port->axi_port_name);
@@ -1451,6 +1467,12 @@ vote_start_clients:
 						goto unlock_tree;
 					}
 
+					if (debug_drv)
+						CAM_INFO(CAM_CPAS,
+							"Channel switch for rsc dev %s mnoc port:%s",
+							dev_name(mnoc_axi_port->cam_rsc_dev),
+							mnoc_axi_port->axi_port_name);
+
 					CAM_DBG(CAM_CPAS,
 						"Channel switch for rsc dev %s mnoc port:%s",
 						dev_name(mnoc_axi_port->cam_rsc_dev),
@@ -1954,6 +1976,10 @@ static int cam_cpas_hw_start(void *hw_priv, void *start_args,
 		if (cpas_core->force_hlos_drv)
 			soc_private->enable_cam_ddr_drv = false;
 
+		if (debug_drv)
+			CAM_INFO(CAM_CPAS, "DDR DRV enable:%s",
+				CAM_BOOL_TO_YESNO(soc_private->enable_cam_ddr_drv));
+
 		rc = cam_cpas_util_apply_default_axi_vote(cpas_hw, true);
 		if (rc)
 			goto remove_ahb_vote;

drivers/cam_isp/isp_hw_mgr/cam_ife_hw_mgr.c

@@ -143,6 +143,14 @@ static int cam_isp_blob_drv_config(struct cam_ife_hw_mgr_ctx         *ctx,
 	ife_hw_mgr = ctx->hw_mgr;
 	drv_config = &prepare_hw_data->isp_drv_config;
 
+	if (debug_drv)
+		CAM_INFO(CAM_PERF,
+			"DRV config blob opcode:%u req_id:%llu disable_drv_override:%s ctx_idx:%u drv_en:%s path_idle_en:0x%x timeout_val:%u",
+			prepare_hw_data->packet_opcode_type, request_id,
+			CAM_BOOL_TO_YESNO(g_ife_hw_mgr.debug_cfg.disable_isp_drv),
+			ctx->ctx_index, CAM_BOOL_TO_YESNO(drv_config->drv_en),
+			drv_config->path_idle_en, drv_config->timeout_val);
+
 	CAM_DBG(CAM_PERF,
 		"DRV config blob opcode:%u req_id:%llu disable_drv_override:%s ctx_idx:%u drv_en:%u path_idle_en:0x%x timeout_val:%u",
 		prepare_hw_data->packet_opcode_type, request_id,

drivers/cam_isp/isp_hw_mgr/isp_hw/ife_csid_hw/cam_ife_csid_hw_ver2.c

@@ -5634,6 +5634,13 @@ static int cam_ife_csid_ver2_drv_config(
 
 	cam_io_w_mb(drv_config->timeout_val, mem_base + csid_reg->cmn_reg->drv_cfg2_addr);
 
+	if (debug_drv)
+		CAM_INFO(CAM_ISP,
+			"CSID[%u] sfe_en:%s DRV config init_req:%s cfg0_val:0x%x cfg1_val:0x%x cfg2_val:0x%x",
+			csid_hw->hw_intf->hw_idx, CAM_BOOL_TO_YESNO(csid_hw->flags.sfe_en),
+			CAM_BOOL_TO_YESNO(drv_config->is_init_config), cfg0_val, cfg1_val,
+			drv_config->timeout_val);
+
 	CAM_DBG(CAM_ISP,
 		"CSID[%u] sfe_en:%s DRV config init_req:%s cfg0_val:0x%x cfg1_val:0x%x cfg2_val:0x%x",
 		csid_hw->hw_intf->hw_idx, CAM_BOOL_TO_YESNO(csid_hw->flags.sfe_en),

drivers/cam_utils/cam_debug_util.c

@@ -1,6 +1,7 @@
 // SPDX-License-Identifier: GPL-2.0-only
 /*
  * Copyright (c) 2017-2021, The Linux Foundation. All rights reserved.
+ * Copyright (c) 2022 Qualcomm Innovation Center, Inc. All rights reserved.
  */
 
 #include <linux/io.h>
@@ -21,6 +22,9 @@ module_param(debug_type, uint, 0644);
 uint debug_priority;
 module_param(debug_priority, uint, 0644);
 
+uint debug_drv;
+module_param(debug_drv, uint, 0644);
+
 struct camera_debug_settings cam_debug;
 
 struct dentry *cam_debugfs_root;

drivers/cam_utils/cam_debug_util.h

@@ -14,6 +14,7 @@
 extern unsigned long long debug_mdl;
 extern unsigned int debug_type;
 extern unsigned int debug_priority;
+extern unsigned int debug_drv;
 
 #define CAM_IS_NULL_TO_STR(ptr) ((ptr) ? "Non-NULL" : "NULL")