1 /* SPDX-License-Identifier: GPL-2.0 */ 2 /* 3 * Support for Medifield PNW Camera Imaging ISP subsystem. 4 * 5 * Copyright (c) 2010 Intel Corporation. All Rights Reserved. 6 * 7 * This program is free software; you can redistribute it and/or 8 * modify it under the terms of the GNU General Public License version 9 * 2 as published by the Free Software Foundation. 10 * 11 * This program is distributed in the hope that it will be useful, 12 * but WITHOUT ANY WARRANTY; without even the implied warranty of 13 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 14 * GNU General Public License for more details. 15 * 16 * 17 */ 18 #ifndef __ATOMISP_CSI2_H__ 19 #define __ATOMISP_CSI2_H__ 20 21 #include <linux/gpio/consumer.h> 22 #include <linux/property.h> 23 24 #include <media/v4l2-subdev.h> 25 #include <media/v4l2-ctrls.h> 26 27 #include "../../include/linux/atomisp.h" 28 29 #define CSI2_PAD_SINK 0 30 #define CSI2_PAD_SOURCE 1 31 #define CSI2_PADS_NUM 2 32 33 #define CSI2_MAX_ACPI_GPIOS 2u 34 35 struct acpi_device; 36 struct v4l2_device; 37 38 struct atomisp_device; 39 struct atomisp_sub_device; 40 41 struct atomisp_csi2_acpi_gpio_map { 42 struct acpi_gpio_params params[CSI2_MAX_ACPI_GPIOS]; 43 struct acpi_gpio_mapping mapping[CSI2_MAX_ACPI_GPIOS + 1]; 44 }; 45 46 struct atomisp_csi2_acpi_gpio_parsing_data { 47 struct acpi_device *adev; 48 struct atomisp_csi2_acpi_gpio_map *map; 49 u32 settings[CSI2_MAX_ACPI_GPIOS]; 50 unsigned int settings_count; 51 unsigned int res_count; 52 unsigned int map_count; 53 }; 54 55 struct atomisp_mipi_csi2_device { 56 struct v4l2_subdev subdev; 57 struct media_pad pads[CSI2_PADS_NUM]; 58 struct v4l2_mbus_framefmt formats[CSI2_PADS_NUM]; 59 60 struct v4l2_ctrl_handler ctrls; 61 struct atomisp_device *isp; 62 }; 63 64 int atomisp_csi2_set_ffmt(struct v4l2_subdev *sd, 65 struct v4l2_subdev_state *sd_state, 66 unsigned int which, uint16_t pad, 67 struct v4l2_mbus_framefmt *ffmt); 68 int atomisp_mipi_csi2_init(struct atomisp_device *isp); 69 void atomisp_mipi_csi2_cleanup(struct atomisp_device *isp); 70 void atomisp_mipi_csi2_unregister_entities( 71 struct atomisp_mipi_csi2_device *csi2); 72 int atomisp_mipi_csi2_register_entities(struct atomisp_mipi_csi2_device *csi2, 73 struct v4l2_device *vdev); 74 int atomisp_csi2_bridge_init(struct atomisp_device *isp); 75 int atomisp_csi2_bridge_parse_firmware(struct atomisp_device *isp); 76 77 void atomisp_csi2_configure(struct atomisp_sub_device *asd); 78 79 #endif /* __ATOMISP_CSI2_H__ */ 80