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Diffstat (limited to 'include/drm/exynos_drm.h')
| -rw-r--r-- | include/drm/exynos_drm.h | 261 |
1 files changed, 261 insertions, 0 deletions
diff --git a/include/drm/exynos_drm.h b/include/drm/exynos_drm.h new file mode 100644 index 00000000000..c20b0018153 --- /dev/null +++ b/include/drm/exynos_drm.h @@ -0,0 +1,261 @@ +/* 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> + * + * Permission is hereby granted, free of charge, to any person obtaining a + * copy of this software and associated documentation files (the "Software"), + * to deal in the Software without restriction, including without limitation + * the rights to use, copy, modify, merge, publish, distribute, sublicense, + * and/or sell copies of the Software, and to permit persons to whom the + * Software is furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice (including the next + * paragraph) shall be included in all copies or substantial portions of the + * Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR + * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, + * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL + * VA LINUX SYSTEMS AND/OR ITS SUPPLIERS BE LIABLE FOR ANY CLAIM, DAMAGES OR + * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, + * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR + * OTHER DEALINGS IN THE SOFTWARE. + */ + +#ifndef _EXYNOS_DRM_H_ +#define _EXYNOS_DRM_H_ + +#include "drm.h" + +/** + * 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 { + uint64_t size; + unsigned int flags; + unsigned int handle; +}; + +/** + * A structure for getting buffer offset. + * + * @handle: a pointer to gem object created. + * @pad: just padding to be 64-bit aligned. + * @offset: relatived offset value of the memory region allocated. + * - this value should be set by user. + */ +struct drm_exynos_gem_map_off { + unsigned int handle; + unsigned int pad; + uint64_t offset; +}; + +/** + * A structure for mapping buffer. + * + * @handle: a handle to gem object created. + * @pad: just padding to be 64-bit aligned. + * @size: memory size to be mapped. + * @mapped: having user virtual address mmaped. + * - this variable would be filled by exynos gem module + * of kernel side with user virtual address which is allocated + * by do_mmap(). + */ +struct drm_exynos_gem_mmap { + unsigned int handle; + unsigned int pad; + uint64_t size; + uint64_t mapped; +}; + +/** + * 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 { + unsigned int handle; + unsigned int flags; + uint64_t size; +}; + +/** + * A structure for user connection request of virtual display. + * + * @connection: indicate whether doing connetion 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 { + unsigned int connection; + unsigned int extensions; + uint64_t 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_event_type { + G2D_EVENT_NOT, + G2D_EVENT_NONSTOP, + G2D_EVENT_STOP, /* not yet */ +}; + +struct drm_exynos_g2d_set_cmdlist { + __u64 cmd; + __u64 cmd_gem; + __u32 cmd_nr; + __u32 cmd_gem_nr; + + /* for g2d event */ + __u64 event_type; + __u64 user_data; +}; + +struct drm_exynos_g2d_exec { + __u64 async; +}; + +#define DRM_EXYNOS_GEM_CREATE 0x00 +#define DRM_EXYNOS_GEM_MAP_OFFSET 0x01 +#define DRM_EXYNOS_GEM_MMAP 0x02 +/* 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 + +#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_OFFSET DRM_IOWR(DRM_COMMAND_BASE + \ + DRM_EXYNOS_GEM_MAP_OFFSET, struct drm_exynos_gem_map_off) + +#define DRM_IOCTL_EXYNOS_GEM_MMAP DRM_IOWR(DRM_COMMAND_BASE + \ + DRM_EXYNOS_GEM_MMAP, struct drm_exynos_gem_mmap) + +#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) + +/* EXYNOS specific events */ +#define DRM_EXYNOS_G2D_EVENT 0x80000000 + +struct drm_exynos_g2d_event { + struct drm_event base; + __u64 user_data; + __u32 tv_sec; + __u32 tv_usec; + __u32 cmdlist_no; + __u32 reserved; +}; + +#ifdef __KERNEL__ + +/** + * A structure for lcd panel information. + * + * @timing: default video mode for initializing + * @width_mm: physical size of lcd width. + * @height_mm: physical size of lcd height. + */ +struct exynos_drm_panel_info { + struct fb_videomode timing; + u32 width_mm; + u32 height_mm; +}; + +/** + * Platform Specific Structure for DRM based FIMD. + * + * @panel: default panel info for initializing + * @default_win: default window layer number to be used for UI. + * @bpp: default bit per pixel. + */ +struct exynos_drm_fimd_pdata { + struct exynos_drm_panel_info panel; + u32 vidcon0; + u32 vidcon1; + unsigned int default_win; + unsigned int bpp; +}; + +/** + * Platform Specific Structure for DRM based HDMI. + * + * @hdmi_dev: device point to specific hdmi driver. + * @mixer_dev: device point to specific mixer driver. + * + * this structure is used for common hdmi driver and each device object + * would be used to access specific device driver(hdmi or mixer driver) + */ +struct exynos_drm_common_hdmi_pd { + struct device *hdmi_dev; + struct device *mixer_dev; +}; + +/** + * Platform Specific Structure for DRM based HDMI core. + * + * @is_v13: set if hdmi version 13 is. + * @cfg_hpd: function pointer to configure hdmi hotplug detection pin + * @get_hpd: function pointer to get value of hdmi hotplug detection pin + */ +struct exynos_drm_hdmi_pdata { + bool is_v13; + void (*cfg_hpd)(bool external); + int (*get_hpd)(void); +}; + +#endif /* __KERNEL__ */ +#endif /* _EXYNOS_DRM_H_ */ |