262 lines
7.3 KiB
C
262 lines
7.3 KiB
C
/* exynos_drm.h
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*
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* Copyright (c) 2011 Samsung Electronics Co., Ltd.
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* Authors:
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* Inki Dae <inki.dae@samsung.com>
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* Joonyoung Shim <jy0922.shim@samsung.com>
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* Seung-Woo Kim <sw0312.kim@samsung.com>
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*
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* Permission is hereby granted, free of charge, to any person obtaining a
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* copy of this software and associated documentation files (the "Software"),
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* to deal in the Software without restriction, including without limitation
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* the rights to use, copy, modify, merge, publish, distribute, sublicense,
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* and/or sell copies of the Software, and to permit persons to whom the
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* Software is furnished to do so, subject to the following conditions:
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*
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* The above copyright notice and this permission notice (including the next
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* paragraph) shall be included in all copies or substantial portions of the
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* Software.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
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* VA LINUX SYSTEMS AND/OR ITS SUPPLIERS BE LIABLE FOR ANY CLAIM, DAMAGES OR
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* OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
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* ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
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* OTHER DEALINGS IN THE SOFTWARE.
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*/
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#ifndef _EXYNOS_DRM_H_
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#define _EXYNOS_DRM_H_
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#include <drm/drm.h>
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/**
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* User-desired buffer creation information structure.
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*
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* @size: user-desired memory allocation size.
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* - this size value would be page-aligned internally.
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* @flags: user request for setting memory type or cache attributes.
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* @handle: returned a handle to created gem object.
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* - this handle will be set by gem module of kernel side.
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*/
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struct drm_exynos_gem_create {
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uint64_t size;
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unsigned int flags;
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unsigned int handle;
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};
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/**
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* A structure for getting buffer offset.
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*
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* @handle: a pointer to gem object created.
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* @pad: just padding to be 64-bit aligned.
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* @offset: relatived offset value of the memory region allocated.
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* - this value should be set by user.
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*/
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struct drm_exynos_gem_map_off {
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unsigned int handle;
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unsigned int pad;
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uint64_t offset;
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};
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/**
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* A structure for mapping buffer.
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*
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* @handle: a handle to gem object created.
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* @pad: just padding to be 64-bit aligned.
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* @size: memory size to be mapped.
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* @mapped: having user virtual address mmaped.
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* - this variable would be filled by exynos gem module
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* of kernel side with user virtual address which is allocated
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* by do_mmap().
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*/
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struct drm_exynos_gem_mmap {
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unsigned int handle;
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unsigned int pad;
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uint64_t size;
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uint64_t mapped;
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};
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/**
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* A structure to gem information.
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*
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* @handle: a handle to gem object created.
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* @flags: flag value including memory type and cache attribute and
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* this value would be set by driver.
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* @size: size to memory region allocated by gem and this size would
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* be set by driver.
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*/
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struct drm_exynos_gem_info {
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unsigned int handle;
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unsigned int flags;
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uint64_t size;
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};
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/**
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* A structure for user connection request of virtual display.
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*
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* @connection: indicate whether doing connetion or not by user.
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* @extensions: if this value is 1 then the vidi driver would need additional
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* 128bytes edid data.
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* @edid: the edid data pointer from user side.
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*/
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struct drm_exynos_vidi_connection {
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unsigned int connection;
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unsigned int extensions;
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uint64_t edid;
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};
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/* memory type definitions. */
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enum e_drm_exynos_gem_mem_type {
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/* Physically Continuous memory and used as default. */
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EXYNOS_BO_CONTIG = 0 << 0,
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/* Physically Non-Continuous memory. */
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EXYNOS_BO_NONCONTIG = 1 << 0,
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/* non-cachable mapping and used as default. */
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EXYNOS_BO_NONCACHABLE = 0 << 1,
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/* cachable mapping. */
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EXYNOS_BO_CACHABLE = 1 << 1,
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/* write-combine mapping. */
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EXYNOS_BO_WC = 1 << 2,
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EXYNOS_BO_MASK = EXYNOS_BO_NONCONTIG | EXYNOS_BO_CACHABLE |
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EXYNOS_BO_WC
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};
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struct drm_exynos_g2d_get_ver {
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__u32 major;
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__u32 minor;
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};
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struct drm_exynos_g2d_cmd {
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__u32 offset;
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__u32 data;
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};
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enum drm_exynos_g2d_event_type {
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G2D_EVENT_NOT,
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G2D_EVENT_NONSTOP,
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G2D_EVENT_STOP, /* not yet */
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};
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struct drm_exynos_g2d_set_cmdlist {
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__u64 cmd;
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__u64 cmd_gem;
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__u32 cmd_nr;
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__u32 cmd_gem_nr;
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/* for g2d event */
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__u64 event_type;
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__u64 user_data;
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};
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struct drm_exynos_g2d_exec {
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__u64 async;
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};
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#define DRM_EXYNOS_GEM_CREATE 0x00
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#define DRM_EXYNOS_GEM_MAP_OFFSET 0x01
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#define DRM_EXYNOS_GEM_MMAP 0x02
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/* Reserved 0x03 ~ 0x05 for exynos specific gem ioctl */
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#define DRM_EXYNOS_GEM_GET 0x04
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#define DRM_EXYNOS_VIDI_CONNECTION 0x07
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/* G2D */
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#define DRM_EXYNOS_G2D_GET_VER 0x20
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#define DRM_EXYNOS_G2D_SET_CMDLIST 0x21
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#define DRM_EXYNOS_G2D_EXEC 0x22
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#define DRM_IOCTL_EXYNOS_GEM_CREATE DRM_IOWR(DRM_COMMAND_BASE + \
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DRM_EXYNOS_GEM_CREATE, struct drm_exynos_gem_create)
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#define DRM_IOCTL_EXYNOS_GEM_MAP_OFFSET DRM_IOWR(DRM_COMMAND_BASE + \
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DRM_EXYNOS_GEM_MAP_OFFSET, struct drm_exynos_gem_map_off)
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#define DRM_IOCTL_EXYNOS_GEM_MMAP DRM_IOWR(DRM_COMMAND_BASE + \
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DRM_EXYNOS_GEM_MMAP, struct drm_exynos_gem_mmap)
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#define DRM_IOCTL_EXYNOS_GEM_GET DRM_IOWR(DRM_COMMAND_BASE + \
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DRM_EXYNOS_GEM_GET, struct drm_exynos_gem_info)
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#define DRM_IOCTL_EXYNOS_VIDI_CONNECTION DRM_IOWR(DRM_COMMAND_BASE + \
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DRM_EXYNOS_VIDI_CONNECTION, struct drm_exynos_vidi_connection)
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#define DRM_IOCTL_EXYNOS_G2D_GET_VER DRM_IOWR(DRM_COMMAND_BASE + \
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DRM_EXYNOS_G2D_GET_VER, struct drm_exynos_g2d_get_ver)
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#define DRM_IOCTL_EXYNOS_G2D_SET_CMDLIST DRM_IOWR(DRM_COMMAND_BASE + \
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DRM_EXYNOS_G2D_SET_CMDLIST, struct drm_exynos_g2d_set_cmdlist)
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#define DRM_IOCTL_EXYNOS_G2D_EXEC DRM_IOWR(DRM_COMMAND_BASE + \
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DRM_EXYNOS_G2D_EXEC, struct drm_exynos_g2d_exec)
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/* EXYNOS specific events */
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#define DRM_EXYNOS_G2D_EVENT 0x80000000
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struct drm_exynos_g2d_event {
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struct drm_event base;
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__u64 user_data;
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__u32 tv_sec;
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__u32 tv_usec;
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__u32 cmdlist_no;
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__u32 reserved;
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};
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#ifdef __KERNEL__
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/**
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* A structure for lcd panel information.
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*
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* @timing: default video mode for initializing
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* @width_mm: physical size of lcd width.
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* @height_mm: physical size of lcd height.
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*/
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struct exynos_drm_panel_info {
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struct fb_videomode timing;
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u32 width_mm;
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u32 height_mm;
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};
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/**
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* Platform Specific Structure for DRM based FIMD.
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*
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* @panel: default panel info for initializing
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* @default_win: default window layer number to be used for UI.
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* @bpp: default bit per pixel.
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*/
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struct exynos_drm_fimd_pdata {
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struct exynos_drm_panel_info panel;
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u32 vidcon0;
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u32 vidcon1;
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unsigned int default_win;
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unsigned int bpp;
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};
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/**
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* Platform Specific Structure for DRM based HDMI.
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*
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* @hdmi_dev: device point to specific hdmi driver.
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* @mixer_dev: device point to specific mixer driver.
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*
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* this structure is used for common hdmi driver and each device object
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* would be used to access specific device driver(hdmi or mixer driver)
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*/
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struct exynos_drm_common_hdmi_pd {
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struct device *hdmi_dev;
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struct device *mixer_dev;
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};
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/**
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* Platform Specific Structure for DRM based HDMI core.
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*
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* @is_v13: set if hdmi version 13 is.
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* @cfg_hpd: function pointer to configure hdmi hotplug detection pin
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* @get_hpd: function pointer to get value of hdmi hotplug detection pin
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*/
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struct exynos_drm_hdmi_pdata {
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bool is_v13;
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void (*cfg_hpd)(bool external);
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int (*get_hpd)(void);
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};
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#endif /* __KERNEL__ */
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#endif /* _EXYNOS_DRM_H_ */
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