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 #ifndef __ATOMISP_CSI2_H__ 8 #define __ATOMISP_CSI2_H__ 9 10 #include <linux/gpio/consumer.h> 11 #include <linux/property.h> 12 13 #include <media/v4l2-subdev.h> 14 #include <media/v4l2-ctrls.h> 15 16 #include "../../include/linux/atomisp.h" 17 18 #define CSI2_PAD_SINK 0 19 #define CSI2_PAD_SOURCE 1 20 #define CSI2_PADS_NUM 2 21 22 #define CSI2_MAX_ACPI_GPIOS 2u 23 24 struct acpi_device; 25 struct v4l2_device; 26 27 struct atomisp_device; 28 struct atomisp_sub_device; 29 30 struct atomisp_csi2_acpi_gpio_map { 31 struct acpi_gpio_params params[CSI2_MAX_ACPI_GPIOS]; 32 struct acpi_gpio_mapping mapping[CSI2_MAX_ACPI_GPIOS + 1]; 33 }; 34 35 struct atomisp_csi2_acpi_gpio_parsing_data { 36 struct acpi_device *adev; 37 struct atomisp_csi2_acpi_gpio_map *map; 38 u32 settings[CSI2_MAX_ACPI_GPIOS]; 39 unsigned int settings_count; 40 unsigned int res_count; 41 unsigned int map_count; 42 }; 43 44 struct atomisp_mipi_csi2_device { 45 struct v4l2_subdev subdev; 46 struct media_pad pads[CSI2_PADS_NUM]; 47 struct v4l2_mbus_framefmt formats[CSI2_PADS_NUM]; 48 49 struct v4l2_ctrl_handler ctrls; 50 struct atomisp_device *isp; 51 }; 52 53 int atomisp_csi2_set_ffmt(struct v4l2_subdev *sd, 54 struct v4l2_subdev_state *sd_state, 55 unsigned int which, uint16_t pad, 56 struct v4l2_mbus_framefmt *ffmt); 57 int atomisp_mipi_csi2_init(struct atomisp_device *isp); 58 void atomisp_mipi_csi2_cleanup(struct atomisp_device *isp); 59 void atomisp_mipi_csi2_unregister_entities( 60 struct atomisp_mipi_csi2_device *csi2); 61 int atomisp_mipi_csi2_register_entities(struct atomisp_mipi_csi2_device *csi2, 62 struct v4l2_device *vdev); 63 int atomisp_csi2_bridge_init(struct atomisp_device *isp); 64 int atomisp_csi2_bridge_parse_firmware(struct atomisp_device *isp); 65 66 void atomisp_csi2_configure(struct atomisp_sub_device *asd); 67 68 #endif /* __ATOMISP_CSI2_H__ */ 69