Merge "msm: camera: cpas: Add support to update camera qos" into camera-kernel.lnx.7.0

drivers/cam_cpas/cam_cpas_hw.c

@@ -1,7 +1,7 @@
 // SPDX-License-Identifier: GPL-2.0-only
 /*
  * Copyright (c) 2017-2021, The Linux Foundation. All rights reserved.
- * Copyright (c) 2022-2023, Qualcomm Innovation Center, Inc. All rights reserved.
+ * Copyright (c) 2022-2024, Qualcomm Innovation Center, Inc. All rights reserved.
  */
 
 #include <linux/device.h>
@@ -983,7 +983,8 @@ static int cam_cpas_apply_smart_qos(
 	struct cam_cpas_tree_node *niu_node;
 	struct cam_camnoc_info *camnoc_info;
 	uint8_t i;
-	int32_t reg_indx;
+	int32_t reg_indx, cam_qos_cnt = 0, ret = 0;
+	struct qcom_scm_camera_qos scm_buf[QCOM_SCM_CAMERA_MAX_QOS_CNT] = {0};
 
 	if (cpas_core->smart_qos_dump) {
 		CAM_INFO(CAM_PERF, "Printing SmartQos values before update");
@@ -998,20 +999,44 @@ static int cam_cpas_apply_smart_qos(
 		niu_node = soc_private->smart_qos_info->rt_wr_niu_node[i];
 
 		if (niu_node->curr_priority_high != niu_node->applied_priority_high) {
+			if (!soc_private->enable_secure_qos_update) {
 				cam_io_w_mb(niu_node->curr_priority_high,
 					soc_info->reg_map[reg_indx].mem_base +
 					niu_node->pri_lut_high_offset);
+			} else {
+				scm_buf[cam_qos_cnt].offset = niu_node->pri_lut_high_offset;
+				scm_buf[cam_qos_cnt].val = niu_node->curr_priority_high;
+				cam_qos_cnt++;
+			}
 
 			niu_node->applied_priority_high = niu_node->curr_priority_high;
 		}
 
 		if (niu_node->curr_priority_low != niu_node->applied_priority_low) {
+			if (!soc_private->enable_secure_qos_update) {
 				cam_io_w_mb(niu_node->curr_priority_low,
 					soc_info->reg_map[reg_indx].mem_base +
 					niu_node->pri_lut_low_offset);
+			} else {
+				scm_buf[cam_qos_cnt].offset = niu_node->pri_lut_low_offset;
+				scm_buf[cam_qos_cnt].val = niu_node->curr_priority_low;
+				cam_qos_cnt++;
+			}
 
 			niu_node->applied_priority_low = niu_node->curr_priority_low;
 		}
+
+		if (soc_private->enable_secure_qos_update && cam_qos_cnt) {
+			CAM_DBG(CAM_PERF, "Updating secure camera smartOos count: %d", cam_qos_cnt);
+			ret = cam_update_camnoc_qos_settings(CAM_QOS_UPDATE_TYPE_SMART,
+				cam_qos_cnt, scm_buf);
+			if (ret) {
+				CAM_ERR(CAM_PERF, "Secure camera smartOos update failed:%d", ret);
+				return ret;
+			}
+			CAM_DBG(CAM_PERF, "Updated secure camera smartOos");
+			cam_qos_cnt = 0;
+		}
 	}
 
 	if (cpas_core->smart_qos_dump) {

drivers/cam_cpas/cam_cpas_soc.c

@@ -1,7 +1,7 @@
 // SPDX-License-Identifier: GPL-2.0-only
 /*
  * Copyright (c) 2017-2021, The Linux Foundation. All rights reserved.
- * Copyright (c) 2022-2023, Qualcomm Innovation Center, Inc. All rights reserved.
+ * Copyright (c) 2022-2024, Qualcomm Innovation Center, Inc. All rights reserved.
  */
 
 #include <linux/device.h>
@@ -1455,6 +1455,9 @@ int cam_cpas_get_custom_dt_info(struct cam_hw_info *cpas_hw,
 		soc_private->num_vdd_ahb_mapping = count;
 	}
 
+	soc_private->enable_secure_qos_update = of_property_read_bool(of_node,
+			"enable-secure-qos-update");
+
 	soc_private->enable_smart_qos = of_property_read_bool(of_node,
 			"enable-smart-qos");
 

drivers/cam_cpas/cam_cpas_soc.h

@@ -1,7 +1,7 @@
 /* SPDX-License-Identifier: GPL-2.0-only */
 /*
  * Copyright (c) 2017-2021, The Linux Foundation. All rights reserved.
- * Copyright (c) 2022-2023, Qualcomm Innovation Center, Inc. All rights reserved.
+ * Copyright (c) 2022-2024, Qualcomm Innovation Center, Inc. All rights reserved.
  */
 
 #ifndef _CAM_CPAS_SOC_H_
@@ -268,6 +268,7 @@ struct cam_cpas_sysfs_info {
  * @num_caches: Number of last level caches
  * @part_info: Camera Hw subpart info
  * @llcc_info: Cache info
+ * @enable_secure_qos_update: whether to program QoS securely on current chipset
  * @enable_smart_qos: Whether to enable Smart QoS mechanism on current chipset
  * @enable_cam_ddr_drv: Whether to enable Camera DDR DRV on current chipset
  * @enable_cam_clk_drv: Whether to enable Camera Clk DRV on current chipset
@@ -303,6 +304,7 @@ struct cam_cpas_private_soc {
 	bool enable_smart_qos;
 	bool enable_cam_ddr_drv;
 	bool enable_cam_clk_drv;
+	bool enable_secure_qos_update;
 	struct cam_cpas_smart_qos_info *smart_qos_info;
 	int32_t icp_clk_index;
 	struct cam_cpas_domain_id_info domain_id_info;

drivers/cam_cpas/cpas_top/cam_cpastop_hw.c

@@ -1040,15 +1040,18 @@ static int cam_cpastop_print_poweron_settings(struct cam_hw_info *cpas_hw)
 
 static int cam_cpastop_poweron(struct cam_hw_info *cpas_hw)
 {
-	int i, j;
+	int i, j, rc = 0;
 	struct cam_cpas_hw_errata_wa_list *errata_wa_list;
 	struct cam_cpas_hw_errata_wa *errata_wa;
 	struct cam_cpas *cpas_core = cpas_hw->core_info;
+	struct cam_cpas_private_soc *soc_private =
+		(struct cam_cpas_private_soc *) cpas_hw->soc_info.soc_private;
 	bool errata_enabled = false;
 
 	for (i = 0; i < cpas_core->num_valid_camnoc; i++)
 		cam_cpastop_reset_irq(0x0, cpas_hw, i);
 
+	if (!soc_private->enable_secure_qos_update) {
 		for (i = 0; i < cpas_core->num_valid_camnoc; i++) {
 			CAM_DBG(CAM_CPAS, "QOS settings for %s :",
 				camnoc_info[i]->camnoc_name);
@@ -1058,6 +1061,7 @@ static int cam_cpastop_poweron(struct cam_hw_info *cpas_hw)
 						"Updating QoS settings port: %d prot name: %s",
 						camnoc_info[i]->specific[j].port_type,
 						camnoc_info[i]->specific[j].port_name);
+
 					cam_cpas_util_reg_update(cpas_hw, camnoc_info[i]->reg_base,
 						&camnoc_info[i]->specific[j].priority_lut_low);
 					cam_cpas_util_reg_update(cpas_hw, camnoc_info[i]->reg_base,
@@ -1094,6 +1098,15 @@ static int cam_cpastop_poweron(struct cam_hw_info *cpas_hw)
 				}
 			}
 		}
+	} else {
+		CAM_DBG(CAM_CPAS, "Updating secure camera static QoS settings");
+		rc = cam_update_camnoc_qos_settings(CAM_QOS_UPDATE_TYPE_STATIC, 0, NULL);
+		if (rc) {
+			CAM_ERR(CAM_CPAS, "Secure camera static OoS update failed: %d", rc);
+			return rc;
+		}
+		CAM_DBG(CAM_CPAS, "Updated secure camera static QoS settings");
+	}
 
 	return 0;
 }

drivers/cam_cpas/include/cam_cpas_api.h

@@ -32,6 +32,15 @@
 #define CAM_CPAS_QOS_DEFAULT_SETTINGS_MASK 0x1
 #define CAM_CPAS_QOS_CUSTOM_SETTINGS_MASK  0x2
 
+/**
+ *  Secure camera QoS update id - Enum for identify QOS settings update type
+ */
+enum secure_camera_qos_update_type {
+	CAM_QOS_UPDATE_TYPE_STATIC = 0x0,
+	CAM_QOS_UPDATE_TYPE_SMART  = 0x1,
+	CAM_QOS_UPDATE_TYPE_MAX,
+};
+
 /**
  * enum cam_cpas_regbase_types - Enum for cpas regbase available for clients
  *                             to read/write

drivers/cam_utils/cam_compat.c

@@ -1,7 +1,7 @@
 // SPDX-License-Identifier: GPL-2.0-only
 /*
  * Copyright (c) 2014-2021, The Linux Foundation. All rights reserved.
- * Copyright (c) 2022-2023 Qualcomm Innovation Center, Inc. All rights reserved.
+ * Copyright (c) 2022-2024 Qualcomm Innovation Center, Inc. All rights reserved.
  */
 
 #include <linux/dma-mapping.h>
@@ -441,6 +441,20 @@ int cam_csiphy_notify_secure_mode(struct csiphy_device *csiphy_dev,
 }
 #endif
 
+int cam_update_camnoc_qos_settings(uint32_t use_case_id,
+	uint32_t qos_cnt, struct qcom_scm_camera_qos *scm_buf)
+{
+	int rc = 0;
+
+	rc = qcom_scm_camera_update_camnoc_qos(use_case_id, qos_cnt, scm_buf);
+	if (rc) {
+		CAM_ERR(CAM_ISP, "scm call to update QoS failed: %d", rc);
+		rc = -EINVAL;
+	}
+
+	return rc;
+}
+
 /* Callback to compare device from match list before adding as component */
 static inline int camera_component_compare_dev(struct device *dev, void *data)
 {

drivers/cam_utils/cam_compat.h

@@ -1,7 +1,7 @@
 /* SPDX-License-Identifier: GPL-2.0-only */
 /*
  * Copyright (c) 2014-2021, The Linux Foundation. All rights reserved.
- * Copyright (c) 2022-2023 Qualcomm Innovation Center, Inc. All rights reserved.
+ * Copyright (c) 2022-2024 Qualcomm Innovation Center, Inc. All rights reserved.
  */
 
 #ifndef _CAM_COMPAT_H_
@@ -61,6 +61,8 @@ struct cam_fw_alloc_info {
 int cam_reserve_icp_fw(struct cam_fw_alloc_info *icp_fw, size_t fw_length);
 void cam_unreserve_icp_fw(struct cam_fw_alloc_info *icp_fw, size_t fw_length);
 void cam_cpastop_scm_write(struct cam_cpas_hw_errata_wa *errata_wa);
+int cam_update_camnoc_qos_settings(uint32_t use_case_id,
+	uint32_t num_arg, struct qcom_scm_camera_qos *scm_buf);
 int cam_ife_notify_safe_lut_scm(bool safe_trigger);
 int camera_component_match_add_drivers(struct device *master_dev,
 	struct component_match **match_list);