| /* Copyright (c) 2017, The Linux Foundation. All rights reserved. |
| * |
| * This program is free software; you can redistribute it and/or modify |
| * it under the terms of the GNU General Public License version 2 and |
| * only version 2 as published by the Free Software Foundation. |
| * |
| * This program is distributed in the hope that it will be useful, |
| * but WITHOUT ANY WARRANTY; without even the implied warranty of |
| * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| * GNU General Public License for more details. |
| */ |
| |
| #ifndef _CAM_VFE_SOC_H_ |
| #define _CAM_VFE_SOC_H_ |
| |
| #include "cam_soc_util.h" |
| #include "cam_isp_hw.h" |
| |
| #define CAM_VFE_DSP_CLK_NAME "ife_dsp_clk" |
| |
| /* |
| * struct cam_vfe_soc_private: |
| * |
| * @Brief: Private SOC data specific to VFE HW Driver |
| * |
| * @cpas_handle: Handle returned on registering with CPAS driver. |
| * This handle is used for all further interface |
| * with CPAS. |
| */ |
| struct cam_vfe_soc_private { |
| uint32_t cpas_handle; |
| struct clk *dsp_clk; |
| int32_t dsp_clk_index; |
| int32_t dsp_clk_rate; |
| }; |
| |
| /* |
| * cam_vfe_init_soc_resources() |
| * |
| * @Brief: Initialize SOC resources including private data |
| * |
| * @soc_info: Device soc information |
| * @handler: Irq handler function pointer |
| * @irq_data: Irq handler function Callback data |
| * |
| * @Return: 0: Success |
| * Non-zero: Failure |
| */ |
| int cam_vfe_init_soc_resources(struct cam_hw_soc_info *soc_info, |
| irq_handler_t vfe_irq_handler, void *irq_data); |
| |
| /* |
| * cam_vfe_deinit_soc_resources() |
| * |
| * @Brief: Deinitialize SOC resources including private data |
| * |
| * @soc_info: Device soc information |
| * |
| * @Return: 0: Success |
| * Non-zero: Failure |
| */ |
| int cam_vfe_deinit_soc_resources(struct cam_hw_soc_info *soc_info); |
| |
| /* |
| * cam_vfe_enable_soc_resources() |
| * |
| * @brief: Enable regulator, irq resources, start CPAS |
| * |
| * @soc_info: Device soc information |
| * |
| * @Return: 0: Success |
| * Non-zero: Failure |
| */ |
| int cam_vfe_enable_soc_resources(struct cam_hw_soc_info *soc_info); |
| |
| /* |
| * cam_vfe_disable_soc_resources() |
| * |
| * @brief: Disable regulator, irq resources, stop CPAS |
| * |
| * @soc_info: Device soc information |
| * |
| * @Return: 0: Success |
| * Non-zero: Failure |
| */ |
| int cam_vfe_disable_soc_resources(struct cam_hw_soc_info *soc_info); |
| |
| /* |
| * cam_vfe_soc_enable_clk() |
| * |
| * @brief: Enable clock with given name |
| * |
| * @soc_info: Device soc information |
| * @clk_name: Name of clock to enable |
| * |
| * @Return: 0: Success |
| * Non-zero: Failure |
| */ |
| int cam_vfe_soc_enable_clk(struct cam_hw_soc_info *soc_info, |
| const char *clk_name); |
| |
| /* |
| * cam_vfe_soc_disable_dsp_clk() |
| * |
| * @brief: Disable clock with given name |
| * |
| * @soc_info: Device soc information |
| * @clk_name: Name of clock to enable |
| * |
| * @Return: 0: Success |
| * Non-zero: Failure |
| */ |
| int cam_vfe_soc_disable_clk(struct cam_hw_soc_info *soc_info, |
| const char *clk_name); |
| |
| #endif /* _CAM_VFE_SOC_H_ */ |