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/* SPDX-License-Identifier: GPL-2.0+ WITH Linux-syscall-note */
/* exynos_drm.h
*
* Copyright (c) 2011 Samsung Electronics Co., Ltd.
* Authors:
* Inki Dae <inki.dae@samsung.com>
* Joonyoung Shim <jy0922.shim@samsung.com>
* Seung-Woo Kim <sw0312.kim@samsung.com>
*
* This program is free software; you can redistribute it and/or modify it
* under the terms of the GNU General Public License as published by the
* Free Software Foundation; either version 2 of the License, or (at your
* option) any later version.
*/
#ifndef _EXYNOS_DRM_H_
#define _EXYNOS_DRM_H_
#include "drm.h"
#if defined(__cplusplus)
extern "C" {
#endif
/**
* User-desired buffer creation information structure.
*
* @size: user-desired memory allocation size.
* - this size value would be page-aligned internally.
* @flags: user request for setting memory type or cache attributes.
* @handle: returned a handle to created gem object.
* - this handle will be set by gem module of kernel side.
*/
struct drm_exynos_gem_create {
__u64 size;
__u32 flags;
__u32 handle;
};
/**
* A structure for getting a fake-offset that can be used with mmap.
*
* @handle: handle of gem object.
* @reserved: just padding to be 64-bit aligned.
* @offset: a fake-offset of gem object.
*/
struct drm_exynos_gem_map {
__u32 handle;
__u32 reserved;
__u64 offset;
};
/**
* A structure to gem information.
*
* @handle: a handle to gem object created.
* @flags: flag value including memory type and cache attribute and
* this value would be set by driver.
* @size: size to memory region allocated by gem and this size would
* be set by driver.
*/
struct drm_exynos_gem_info {
__u32 handle;
__u32 flags;
__u64 size;
};
/**
* A structure for user connection request of virtual display.
*
* @connection: indicate whether doing connection or not by user.
* @extensions: if this value is 1 then the vidi driver would need additional
* 128bytes edid data.
* @edid: the edid data pointer from user side.
*/
struct drm_exynos_vidi_connection {
__u32 connection;
__u32 extensions;
__u64 edid;
};
/* memory type definitions. */
enum e_drm_exynos_gem_mem_type {
/* Physically Continuous memory and used as default. */
EXYNOS_BO_CONTIG = 0 << 0,
/* Physically Non-Continuous memory. */
EXYNOS_BO_NONCONTIG = 1 << 0,
/* non-cachable mapping and used as default. */
EXYNOS_BO_NONCACHABLE = 0 << 1,
/* cachable mapping. */
EXYNOS_BO_CACHABLE = 1 << 1,
/* write-combine mapping. */
EXYNOS_BO_WC = 1 << 2,
EXYNOS_BO_MASK = EXYNOS_BO_NONCONTIG | EXYNOS_BO_CACHABLE |
EXYNOS_BO_WC
};
struct drm_exynos_g2d_get_ver {
__u32 major;
__u32 minor;
};
struct drm_exynos_g2d_cmd {
__u32 offset;
__u32 data;
};
enum drm_exynos_g2d_buf_type {
G2D_BUF_USERPTR = 1 << 31,
};
enum drm_exynos_g2d_event_type {
G2D_EVENT_NOT,
G2D_EVENT_NONSTOP,
G2D_EVENT_STOP, /* not yet */
};
struct drm_exynos_g2d_userptr {
unsigned long userptr;
unsigned long size;
};
struct drm_exynos_g2d_set_cmdlist {
__u64 cmd;
__u64 cmd_buf;
__u32 cmd_nr;
__u32 cmd_buf_nr;
/* for g2d event */
__u64 event_type;
__u64 user_data;
};
struct drm_exynos_g2d_exec {
__u64 async;
};
/* Exynos DRM IPP v2 API */
/**
* Enumerate available IPP hardware modules.
*
* @count_ipps: size of ipp_id array / number of ipp modules (set by driver)
* @reserved: padding
* @ipp_id_ptr: pointer to ipp_id array or NULL
*/
struct drm_exynos_ioctl_ipp_get_res {
__u32 count_ipps;
__u32 reserved;
__u64 ipp_id_ptr;
};
enum drm_exynos_ipp_format_type {
DRM_EXYNOS_IPP_FORMAT_SOURCE = 0x01,
DRM_EXYNOS_IPP_FORMAT_DESTINATION = 0x02,
};
struct drm_exynos_ipp_format {
__u32 fourcc;
__u32 type;
__u64 modifier;
};
enum drm_exynos_ipp_capability {
DRM_EXYNOS_IPP_CAP_CROP = 0x01,
DRM_EXYNOS_IPP_CAP_ROTATE = 0x02,
DRM_EXYNOS_IPP_CAP_SCALE = 0x04,
DRM_EXYNOS_IPP_CAP_CONVERT = 0x08,
};
/**
* Get IPP hardware capabilities and supported image formats.
*
* @ipp_id: id of IPP module to query
* @capabilities: bitmask of drm_exynos_ipp_capability (set by driver)
* @reserved: padding
* @formats_count: size of formats array (in entries) / number of filled
* formats (set by driver)
* @formats_ptr: pointer to formats array or NULL
*/
struct drm_exynos_ioctl_ipp_get_caps {
__u32 ipp_id;
__u32 capabilities;
__u32 reserved;
__u32 formats_count;
__u64 formats_ptr;
};
enum drm_exynos_ipp_limit_type {
/* size (horizontal/vertial) limits, in pixels (min, max, alignment) */
DRM_EXYNOS_IPP_LIMIT_TYPE_SIZE = 0x0001,
/* scale ratio (horizonta/vertial), 16.16 fixed point (min, max) */
DRM_EXYNOS_IPP_LIMIT_TYPE_SCALE = 0x0002,
/* image buffer area */
DRM_EXYNOS_IPP_LIMIT_SIZE_BUFFER = 0x0001 << 16,
/* src/dst rectangle area */
DRM_EXYNOS_IPP_LIMIT_SIZE_AREA = 0x0002 << 16,
/* src/dst rectangle area when rotation enabled */
DRM_EXYNOS_IPP_LIMIT_SIZE_ROTATED = 0x0003 << 16,
DRM_EXYNOS_IPP_LIMIT_TYPE_MASK = 0x000f,
DRM_EXYNOS_IPP_LIMIT_SIZE_MASK = 0x000f << 16,
};
struct drm_exynos_ipp_limit_val {
__u32 min;
__u32 max;
__u32 align;
__u32 reserved;
};
/**
* IPP module limitation.
*
* @type: limit type (see drm_exynos_ipp_limit_type enum)
* @reserved: padding
* @h: horizontal limits
* @v: vertical limits
*/
struct drm_exynos_ipp_limit {
__u32 type;
__u32 reserved;
struct drm_exynos_ipp_limit_val h;
struct drm_exynos_ipp_limit_val v;
};
/**
* Get IPP limits for given image format.
*
* @ipp_id: id of IPP module to query
* @fourcc: image format code (see DRM_FORMAT_* in drm_fourcc.h)
* @modifier: image format modifier (see DRM_FORMAT_MOD_* in drm_fourcc.h)
* @type: source/destination identifier (drm_exynos_ipp_format_flag enum)
* @limits_count: size of limits array (in entries) / number of filled entries
* (set by driver)
* @limits_ptr: pointer to limits array or NULL
*/
struct drm_exynos_ioctl_ipp_get_limits {
__u32 ipp_id;
__u32 fourcc;
__u64 modifier;
__u32 type;
__u32 limits_count;
__u64 limits_ptr;
};
enum drm_exynos_ipp_task_id {
/* buffer described by struct drm_exynos_ipp_task_buffer */
DRM_EXYNOS_IPP_TASK_BUFFER = 0x0001,
/* rectangle described by struct drm_exynos_ipp_task_rect */
DRM_EXYNOS_IPP_TASK_RECTANGLE = 0x0002,
/* transformation described by struct drm_exynos_ipp_task_transform */
DRM_EXYNOS_IPP_TASK_TRANSFORM = 0x0003,
/* alpha configuration described by struct drm_exynos_ipp_task_alpha */
DRM_EXYNOS_IPP_TASK_ALPHA = 0x0004,
/* source image data (for buffer and rectangle chunks) */
DRM_EXYNOS_IPP_TASK_TYPE_SOURCE = 0x0001 << 16,
/* destination image data (for buffer and rectangle chunks) */
DRM_EXYNOS_IPP_TASK_TYPE_DESTINATION = 0x0002 << 16,
};
/**
* Memory buffer with image data.
*
* @id: must be DRM_EXYNOS_IPP_TASK_BUFFER
* other parameters are same as for AddFB2 generic DRM ioctl
*/
struct drm_exynos_ipp_task_buffer {
__u32 id;
__u32 fourcc;
__u32 width, height;
__u32 gem_id[4];
__u32 offset[4];
__u32 pitch[4];
__u64 modifier;
};
/**
* Rectangle for processing.
*
* @id: must be DRM_EXYNOS_IPP_TASK_RECTANGLE
* @reserved: padding
* @x,@y: left corner in pixels
* @w,@h: width/height in pixels
*/
struct drm_exynos_ipp_task_rect {
__u32 id;
__u32 reserved;
__u32 x;
__u32 y;
__u32 w;
__u32 h;
};
/**
* Image tranformation description.
*
* @id: must be DRM_EXYNOS_IPP_TASK_TRANSFORM
* @rotation: DRM_MODE_ROTATE_* and DRM_MODE_REFLECT_* values
*/
struct drm_exynos_ipp_task_transform {
__u32 id;
__u32 rotation;
};
/**
* Image global alpha configuration for formats without alpha values.
*
* @id: must be DRM_EXYNOS_IPP_TASK_ALPHA
* @value: global alpha value (0-255)
*/
struct drm_exynos_ipp_task_alpha {
__u32 id;
__u32 value;
};
enum drm_exynos_ipp_flag {
/* generate DRM event after processing */
DRM_EXYNOS_IPP_FLAG_EVENT = 0x01,
/* dry run, only check task parameters */
DRM_EXYNOS_IPP_FLAG_TEST_ONLY = 0x02,
/* non-blocking processing */
DRM_EXYNOS_IPP_FLAG_NONBLOCK = 0x04,
};
#define DRM_EXYNOS_IPP_FLAGS (DRM_EXYNOS_IPP_FLAG_EVENT |\
DRM_EXYNOS_IPP_FLAG_TEST_ONLY | DRM_EXYNOS_IPP_FLAG_NONBLOCK)
/**
* Perform image processing described by array of drm_exynos_ipp_task_*
* structures (parameters array).
*
* @ipp_id: id of IPP module to run the task
* @flags: bitmask of drm_exynos_ipp_flag values
* @reserved: padding
* @params_size: size of parameters array (in bytes)
* @params_ptr: pointer to parameters array or NULL
* @user_data: (optional) data for drm event
*/
struct drm_exynos_ioctl_ipp_commit {
__u32 ipp_id;
__u32 flags;
__u32 reserved;
__u32 params_size;
__u64 params_ptr;
__u64 user_data;
};
#define DRM_EXYNOS_GEM_CREATE 0x00
#define DRM_EXYNOS_GEM_MAP 0x01
/* Reserved 0x03 ~ 0x05 for exynos specific gem ioctl */
#define DRM_EXYNOS_GEM_GET 0x04
#define DRM_EXYNOS_VIDI_CONNECTION 0x07
/* G2D */
#define DRM_EXYNOS_G2D_GET_VER 0x20
#define DRM_EXYNOS_G2D_SET_CMDLIST 0x21
#define DRM_EXYNOS_G2D_EXEC 0x22
/* Reserved 0x30 ~ 0x33 for obsolete Exynos IPP ioctls */
/* IPP - Image Post Processing */
#define DRM_EXYNOS_IPP_GET_RESOURCES 0x40
#define DRM_EXYNOS_IPP_GET_CAPS 0x41
#define DRM_EXYNOS_IPP_GET_LIMITS 0x42
#define DRM_EXYNOS_IPP_COMMIT 0x43
#define DRM_IOCTL_EXYNOS_GEM_CREATE DRM_IOWR(DRM_COMMAND_BASE + \
DRM_EXYNOS_GEM_CREATE, struct drm_exynos_gem_create)
#define DRM_IOCTL_EXYNOS_GEM_MAP DRM_IOWR(DRM_COMMAND_BASE + \
DRM_EXYNOS_GEM_MAP, struct drm_exynos_gem_map)
#define DRM_IOCTL_EXYNOS_GEM_GET DRM_IOWR(DRM_COMMAND_BASE + \
DRM_EXYNOS_GEM_GET, struct drm_exynos_gem_info)
#define DRM_IOCTL_EXYNOS_VIDI_CONNECTION DRM_IOWR(DRM_COMMAND_BASE + \
DRM_EXYNOS_VIDI_CONNECTION, struct drm_exynos_vidi_connection)
#define DRM_IOCTL_EXYNOS_G2D_GET_VER DRM_IOWR(DRM_COMMAND_BASE + \
DRM_EXYNOS_G2D_GET_VER, struct drm_exynos_g2d_get_ver)
#define DRM_IOCTL_EXYNOS_G2D_SET_CMDLIST DRM_IOWR(DRM_COMMAND_BASE + \
DRM_EXYNOS_G2D_SET_CMDLIST, struct drm_exynos_g2d_set_cmdlist)
#define DRM_IOCTL_EXYNOS_G2D_EXEC DRM_IOWR(DRM_COMMAND_BASE + \
DRM_EXYNOS_G2D_EXEC, struct drm_exynos_g2d_exec)
#define DRM_IOCTL_EXYNOS_IPP_GET_RESOURCES DRM_IOWR(DRM_COMMAND_BASE + \
DRM_EXYNOS_IPP_GET_RESOURCES, \
struct drm_exynos_ioctl_ipp_get_res)
#define DRM_IOCTL_EXYNOS_IPP_GET_CAPS DRM_IOWR(DRM_COMMAND_BASE + \
DRM_EXYNOS_IPP_GET_CAPS, struct drm_exynos_ioctl_ipp_get_caps)
#define DRM_IOCTL_EXYNOS_IPP_GET_LIMITS DRM_IOWR(DRM_COMMAND_BASE + \
DRM_EXYNOS_IPP_GET_LIMITS, \
struct drm_exynos_ioctl_ipp_get_limits)
#define DRM_IOCTL_EXYNOS_IPP_COMMIT DRM_IOWR(DRM_COMMAND_BASE + \
DRM_EXYNOS_IPP_COMMIT, struct drm_exynos_ioctl_ipp_commit)
/* Exynos specific events */
#define DRM_EXYNOS_G2D_EVENT 0x80000000
#define DRM_EXYNOS_IPP_EVENT 0x80000002
struct drm_exynos_g2d_event {
struct drm_event base;
__u64 user_data;
__u32 tv_sec;
__u32 tv_usec;
__u32 cmdlist_no;
__u32 reserved;
};
struct drm_exynos_ipp_event {
struct drm_event base;
__u64 user_data;
__u32 tv_sec;
__u32 tv_usec;
__u32 ipp_id;
__u32 sequence;
__u64 reserved;
};
#if defined(__cplusplus)
}
#endif
#endif /* _EXYNOS_DRM_H_ */