Merge "msm: camera: flash: Add support for I2C flash" into camera-kernel.lnx.3.1 (1d79547b) · Commits · e / devices / android_kernel_fairphone_FP4

drivers/cam_sensor_module/cam_flash/cam_flash_dev.c

+25 −4

Original line number	Diff line number	Diff line
		// SPDX-License-Identifier: GPL-2.0-only
		/*
		* Copyright (c) 2017-2020, The Linux Foundation. All rights reserved.
		* Copyright (c) 2017-2021, The Linux Foundation. All rights reserved.
		*/

		#include <linux/module.h>
		@@ -131,6 +131,7 @@ static int32_t cam_flash_driver_cmd(struct cam_flash_ctrl *fctrl,

		CAM_DBG(CAM_FLASH, "CAM_QUERY_CAP");
		flash_cap.slot_info = fctrl->soc_info.index;
		flash_cap.flash_type = soc_private->flash_type;
		for (i = 0; i < fctrl->flash_num_sources; i++) {
		flash_cap.max_current_flash[i] =
		soc_private->flash_max_current[i];
		@@ -403,6 +404,7 @@ static int32_t cam_flash_platform_probe(struct platform_device *pdev)
		int32_t rc = 0, i = 0;
		struct cam_flash_ctrl *fctrl = NULL;
		struct device_node *of_parent = NULL;
		struct cam_hw_soc_info *soc_info = NULL;

		CAM_DBG(CAM_FLASH, "Enter");
		if (!pdev->dev.of_node) {
		@@ -458,6 +460,25 @@ static int32_t cam_flash_platform_probe(struct platform_device *pdev)
		fctrl->io_master_info.cci_client->cci_device = fctrl->cci_num;
		CAM_DBG(CAM_FLASH, "cci-index %d", fctrl->cci_num, rc);

		soc_info = &fctrl->soc_info;
		if (!soc_info->gpio_data) {
		CAM_INFO(CAM_FLASH, "No GPIO found");
		rc = 0;
		return rc;
		}

		if (!soc_info->gpio_data->cam_gpio_common_tbl_size) {
		CAM_INFO(CAM_FLASH, "No GPIO found");
		return -EINVAL;
		}

		rc = cam_sensor_util_init_gpio_pin_tbl(soc_info,
		&fctrl->power_info.gpio_num_info);
		if ((rc < 0) \|\| (!fctrl->power_info.gpio_num_info)) {
		CAM_ERR(CAM_FLASH, "No/Error Flash GPIOs");
		return -EINVAL;
		}

		fctrl->i2c_data.per_frame =
		kzalloc(sizeof(struct i2c_settings_array) *
		MAX_PER_FRAME_ARRAY, GFP_KERNEL);

drivers/cam_sensor_module/cam_flash/cam_flash_dev.h

+4 −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) 2017-2019, 2021 The Linux Foundation. All rights reserved.
		*/

		#ifndef _CAM_FLASH_DEV_H_
		@@ -24,6 +24,7 @@
		#include "cam_subdev.h"
		#include "cam_mem_mgr.h"
		#include "cam_sensor_cmn_header.h"
		#include "cam_sensor_util.h"
		#include "cam_soc_util.h"
		#include "cam_debug_util.h"
		#include "cam_sensor_io.h"
		@@ -130,6 +131,7 @@ struct cam_flash_frame_setting {
		* @torch_op_current : Torch operational current
		* @torch_max_current : Max supported current for LED in torch mode
		* @is_wled_flash : Detection between WLED/LED flash
		* @flash_type : Flash type
		*/

		struct cam_flash_private_soc {
		@@ -142,6 +144,7 @@ struct cam_flash_private_soc {
		uint32_t torch_op_current[CAM_FLASH_MAX_LED_TRIGGERS];
		uint32_t torch_max_current[CAM_FLASH_MAX_LED_TRIGGERS];
		bool is_wled_flash;
		uint32_t flash_type;
		};

		struct cam_flash_func_tbl {

drivers/cam_sensor_module/cam_flash/cam_flash_soc.c

+9 −1

Original line number	Diff line number	Diff line
		// SPDX-License-Identifier: GPL-2.0-only
		/*
		* Copyright (c) 2017-2018, 2020, The Linux Foundation. All rights reserved.
		* Copyright (c) 2017-2018, 2020, 2021 The Linux Foundation. All rights reserved.
		*/

		#include <linux/of.h>
		#include <linux/of_gpio.h>
		#include "cam_flash_soc.h"
		#include "cam_res_mgr_api.h"
		#include <dt-bindings/msm/msm-camera.h>

		static int32_t cam_get_source_node_info(
		struct device_node *of_node,
		@@ -22,6 +23,13 @@ static int32_t cam_get_source_node_info(
		soc_private->is_wled_flash =
		of_property_read_bool(of_node, "wled-flash-support");

		rc = of_property_read_u32(of_node,
		"flash-type", &soc_private->flash_type);
		if (rc) {
		CAM_ERR(CAM_FLASH, "flash-type read failed rc=%d", rc);
		soc_private->flash_type = CAM_FLASH_TYPE_PMIC;
		}

		switch_src_node = of_parse_phandle(of_node, "switch-source", 0);
		if (!switch_src_node) {
		CAM_WARN(CAM_FLASH, "switch_src_node NULL");

include/uapi/media/cam_sensor.h

+3 −1

Original line number	Diff line number	Diff line
		/* SPDX-License-Identifier: GPL-2.0-only WITH Linux-syscall-note */
		/*
		* Copyright (c) 2016-2019, The Linux Foundation. All rights reserved.
		* Copyright (c) 2016-2019, 2021 The Linux Foundation. All rights reserved.
		*/

		#ifndef __UAPI_CAM_SENSOR_H__
		@@ -474,6 +474,7 @@ struct cam_flash_query_curr {
		* @max_current_flash : max supported current for flash
		* @max_duration_flash : max flash turn on duration
		* @max_current_torch : max supported current for torch
		* @flash_type : Indicates about the flash type -I2C,GPIO,PMIC
		*
		*/
		struct cam_flash_query_cap_info {
		@@ -481,6 +482,7 @@ struct cam_flash_query_cap_info {
		uint32_t max_current_flash[CAM_FLASH_MAX_LED_TRIGGERS];
		uint32_t max_duration_flash[CAM_FLASH_MAX_LED_TRIGGERS];
		uint32_t max_current_torch[CAM_FLASH_MAX_LED_TRIGGERS];
		uint32_t flash_type;
		} __attribute__ ((packed));

		#endif