Jigarkumar Zala | 3522627 | 2017-04-19 16:05:24 -0700 | [diff] [blame] | 1 | /* Copyright (c) 2017, The Linux Foundation. All rights reserved. |
| 2 | * |
| 3 | * This program is free software; you can redistribute it and/or modify |
| 4 | * it under the terms of the GNU General Public License version 2 and |
| 5 | * only version 2 as published by the Free Software Foundation. |
| 6 | * |
| 7 | * This program is distributed in the hope that it will be useful, |
| 8 | * but WITHOUT ANY WARRANTY; without even the implied warranty of |
| 9 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| 10 | * GNU General Public License for more details. |
| 11 | * |
| 12 | */ |
| 13 | |
| 14 | #ifndef _CAM_FLASH_DEV_H_ |
| 15 | #define _CAM_FLASH_DEV_H_ |
| 16 | |
| 17 | #include <linux/leds.h> |
| 18 | #include <linux/platform_device.h> |
| 19 | #include <linux/delay.h> |
| 20 | #include <linux/io.h> |
| 21 | #include <linux/of.h> |
| 22 | #include <linux/module.h> |
| 23 | #include <linux/kernel.h> |
| 24 | #include <media/v4l2-subdev.h> |
| 25 | #include <media/v4l2-ioctl.h> |
| 26 | #include <media/v4l2-event.h> |
| 27 | #include <media/cam_sensor.h> |
| 28 | #include <media/cam_req_mgr.h> |
| 29 | #include "cam_req_mgr_util.h" |
| 30 | #include "cam_req_mgr_interface.h" |
| 31 | #include "cam_subdev.h" |
| 32 | #include "cam_mem_mgr.h" |
| 33 | #include "cam_sensor_cmn_header.h" |
| 34 | #include "cam_soc_util.h" |
| 35 | #include "cam_debug_util.h" |
| 36 | |
| 37 | #define CAMX_FLASH_DEV_NAME "cam-flash-dev" |
| 38 | |
| 39 | #define CAM_FLASH_PIPELINE_DELAY 1 |
| 40 | |
| 41 | #define CAM_FLASH_PACKET_OPCODE_INIT 0 |
| 42 | #define CAM_FLASH_PACKET_OPCODE_SET_OPS 1 |
| 43 | #define CAM_FLASH_PACKET_OPCODE_NON_REALTIME_SET_OPS 2 |
| 44 | |
| 45 | enum cam_flash_switch_trigger_ops { |
| 46 | LED_SWITCH_OFF = 0, |
| 47 | LED_SWITCH_ON, |
| 48 | }; |
| 49 | |
| 50 | enum cam_flash_state { |
| 51 | CAM_FLASH_STATE_INIT, |
Soundrapandian Jeyaprakash | 8d16e27 | 2017-10-12 11:05:37 -0700 | [diff] [blame^] | 52 | CAM_FLASH_STATE_ACQUIRE, |
Jigarkumar Zala | 3522627 | 2017-04-19 16:05:24 -0700 | [diff] [blame] | 53 | CAM_FLASH_STATE_LOW, |
| 54 | CAM_FLASH_STATE_HIGH, |
| 55 | CAM_FLASH_STATE_RELEASE, |
| 56 | }; |
| 57 | |
| 58 | /** |
| 59 | * struct cam_flash_intf_params |
| 60 | * @device_hdl : Device Handle |
| 61 | * @session_hdl : Session Handle |
| 62 | * @link_hdl : Link Handle |
| 63 | * @ops : KMD operations |
| 64 | * @crm_cb : Callback API pointers |
| 65 | */ |
| 66 | struct cam_flash_intf_params { |
| 67 | int32_t device_hdl; |
| 68 | int32_t session_hdl; |
| 69 | int32_t link_hdl; |
| 70 | struct cam_req_mgr_kmd_ops ops; |
| 71 | struct cam_req_mgr_crm_cb *crm_cb; |
| 72 | }; |
| 73 | |
| 74 | /** |
| 75 | * struct cam_flash_common_attr |
| 76 | * @is_settings_valid : Notify the valid settings |
| 77 | * @request_id : Request id provided by umd |
| 78 | * @count : Number of led count |
| 79 | * @cmd_type : Command buffer type |
| 80 | */ |
| 81 | struct cam_flash_common_attr { |
| 82 | bool is_settings_valid; |
| 83 | int32_t request_id; |
| 84 | uint16_t count; |
| 85 | uint8_t cmd_type; |
| 86 | }; |
| 87 | |
| 88 | /** |
| 89 | * struct flash_init_packet |
| 90 | * @cmn_attr : Provides common attributes |
| 91 | * @flash_type : Flash type(PMIC/I2C/GPIO) |
| 92 | */ |
| 93 | struct cam_flash_init_packet { |
| 94 | struct cam_flash_common_attr cmn_attr; |
| 95 | uint8_t flash_type; |
| 96 | }; |
| 97 | |
| 98 | /** |
| 99 | * struct flash_frame_setting |
| 100 | * @cmn_attr : Provides common attributes |
| 101 | * @num_iterations : Iterations used to perform RER |
| 102 | * @led_on_delay_ms : LED on time in milisec |
| 103 | * @led_off_delay_ms : LED off time in milisec |
| 104 | * @opcode : Command buffer opcode |
| 105 | * @led_current_ma[] : LED current array in miliamps |
| 106 | * |
| 107 | */ |
| 108 | struct cam_flash_frame_setting { |
| 109 | struct cam_flash_common_attr cmn_attr; |
| 110 | uint16_t num_iterations; |
| 111 | uint16_t led_on_delay_ms; |
| 112 | uint16_t led_off_delay_ms; |
| 113 | int8_t opcode; |
| 114 | uint32_t led_current_ma[CAM_FLASH_MAX_LED_TRIGGERS]; |
| 115 | }; |
| 116 | |
| 117 | /** |
| 118 | * struct cam_flash_private_soc |
| 119 | * @switch_trigger_name : Switch trigger name |
| 120 | * @flash_trigger_name : Flash trigger name array |
| 121 | * @flash_op_current : Flash operational current |
| 122 | * @flash_max_current : Max supported current for LED in flash mode |
| 123 | * @flash_max_duration : Max turn on duration for LED in Flash mode |
| 124 | * @torch_trigger_name : Torch trigger name array |
| 125 | * @torch_op_current : Torch operational current |
| 126 | * @torch_max_current : Max supported current for LED in torch mode |
| 127 | */ |
| 128 | |
| 129 | struct cam_flash_private_soc { |
| 130 | const char *switch_trigger_name; |
| 131 | const char *flash_trigger_name[CAM_FLASH_MAX_LED_TRIGGERS]; |
| 132 | uint32_t flash_op_current[CAM_FLASH_MAX_LED_TRIGGERS]; |
| 133 | uint32_t flash_max_current[CAM_FLASH_MAX_LED_TRIGGERS]; |
| 134 | uint32_t flash_max_duration[CAM_FLASH_MAX_LED_TRIGGERS]; |
| 135 | const char *torch_trigger_name[CAM_FLASH_MAX_LED_TRIGGERS]; |
| 136 | uint32_t torch_op_current[CAM_FLASH_MAX_LED_TRIGGERS]; |
| 137 | uint32_t torch_max_current[CAM_FLASH_MAX_LED_TRIGGERS]; |
| 138 | }; |
| 139 | |
| 140 | /** |
| 141 | * struct cam_flash_ctrl |
| 142 | * @soc_info : Soc related information |
| 143 | * @pdev : Platform device |
| 144 | * @per_frame[] : Per_frame setting array |
| 145 | * @nrt_info : NonRealTime settings |
| 146 | * @of_node : Of Node ptr |
| 147 | * @v4l2_dev_str : V4L2 device structure |
| 148 | * @bridge_intf : CRM interface |
| 149 | * @flash_init_setting : Init command buffer structure |
| 150 | * @switch_trigger : Switch trigger ptr |
| 151 | * @flash_num_sources : Number of flash sources |
| 152 | * @torch_num_source : Number of torch sources |
| 153 | * @flash_mutex : Mutex for flash operations |
| 154 | * @flash_wq_mutex : Mutex for flash apply setting |
| 155 | * @flash_state : Current flash state (LOW/OFF/ON/INIT) |
| 156 | * @flash_type : Flash types (PMIC/I2C/GPIO) |
| 157 | * @is_regulator_enable : Regulator disable/enable notifier |
| 158 | * @flash_trigger : Flash trigger ptr |
| 159 | * @torch_trigger : Torch trigger ptr |
| 160 | */ |
| 161 | struct cam_flash_ctrl { |
| 162 | struct cam_hw_soc_info soc_info; |
| 163 | struct platform_device *pdev; |
| 164 | struct cam_flash_frame_setting per_frame[MAX_PER_FRAME_ARRAY]; |
| 165 | struct cam_flash_frame_setting nrt_info; |
| 166 | struct device_node *of_node; |
| 167 | struct cam_subdev v4l2_dev_str; |
| 168 | struct cam_flash_intf_params bridge_intf; |
| 169 | struct cam_flash_init_packet flash_init_setting; |
| 170 | struct led_trigger *switch_trigger; |
| 171 | uint32_t flash_num_sources; |
| 172 | uint32_t torch_num_sources; |
| 173 | struct mutex flash_mutex; |
| 174 | struct mutex flash_wq_mutex; |
| 175 | enum cam_flash_state flash_state; |
| 176 | uint8_t flash_type; |
| 177 | bool is_regulator_enabled; |
| 178 | struct led_trigger *flash_trigger[CAM_FLASH_MAX_LED_TRIGGERS]; |
| 179 | struct led_trigger *torch_trigger[CAM_FLASH_MAX_LED_TRIGGERS]; |
| 180 | }; |
| 181 | |
| 182 | #endif /*_CAM_FLASH_DEV_H_*/ |