3 * Copyright (c) 2011 Samsung Electronics Co., Ltd.
5 * Inki Dae <inki.dae@samsung.com>
6 * Joonyoung Shim <jy0922.shim@samsung.com>
7 * Seung-Woo Kim <sw0312.kim@samsung.com>
9 * Permission is hereby granted, free of charge, to any person obtaining a
10 * copy of this software and associated documentation files (the "Software"),
11 * to deal in the Software without restriction, including without limitation
12 * the rights to use, copy, modify, merge, publish, distribute, sublicense,
13 * and/or sell copies of the Software, and to permit persons to whom the
14 * Software is furnished to do so, subject to the following conditions:
16 * The above copyright notice and this permission notice (including the next
17 * paragraph) shall be included in all copies or substantial portions of the
20 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
21 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
22 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
23 * VA LINUX SYSTEMS AND/OR ITS SUPPLIERS BE LIABLE FOR ANY CLAIM, DAMAGES OR
24 * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
25 * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
26 * OTHER DEALINGS IN THE SOFTWARE.
29 #ifndef _EXYNOS_DRM_H_
30 #define _EXYNOS_DRM_H_
35 * User-desired buffer creation information structure.
37 * @size: user-desired memory allocation size.
38 * - this size value would be page-aligned internally.
39 * @flags: user request for setting memory type or cache attributes.
40 * @handle: returned a handle to created gem object.
41 * - this handle will be set by gem module of kernel side.
43 struct drm_exynos_gem_create {
50 * A structure for getting buffer offset.
52 * @handle: a pointer to gem object created.
53 * @pad: just padding to be 64-bit aligned.
54 * @offset: relatived offset value of the memory region allocated.
55 * - this value should be set by user.
57 struct drm_exynos_gem_map_off {
64 * A structure for mapping buffer.
66 * @handle: a handle to gem object created.
67 * @size: memory size to be mapped.
68 * @mapped: having user virtual address mmaped.
69 * - this variable would be filled by exynos gem module
70 * of kernel side with user virtual address which is allocated
73 struct drm_exynos_gem_mmap {
80 * A structure to gem information.
82 * @handle: a handle to gem object created.
83 * @flags: flag value including memory type and cache attribute and
84 * this value would be set by driver.
85 * @size: size to memory region allocated by gem and this size would
88 struct drm_exynos_gem_info {
95 * A structure for user connection request of virtual display.
97 * @connection: indicate whether doing connetion or not by user.
98 * @extensions: if this value is 1 then the vidi driver would need additional
100 * @edid: the edid data pointer from user side.
102 struct drm_exynos_vidi_connection {
103 unsigned int connection;
104 unsigned int extensions;
108 struct drm_exynos_plane_set_zpos {
113 /* memory type definitions. */
114 enum e_drm_exynos_gem_mem_type {
115 /* Physically Continuous memory and used as default. */
116 EXYNOS_BO_CONTIG = 0 << 0,
117 /* Physically Non-Continuous memory. */
118 EXYNOS_BO_NONCONTIG = 1 << 0,
119 /* non-cachable mapping and used as default. */
120 EXYNOS_BO_NONCACHABLE = 0 << 1,
121 /* cachable mapping. */
122 EXYNOS_BO_CACHABLE = 1 << 1,
123 /* write-combine mapping. */
124 EXYNOS_BO_WC = 1 << 2,
125 EXYNOS_BO_MASK = EXYNOS_BO_NONCONTIG | EXYNOS_BO_CACHABLE |
129 struct drm_exynos_g2d_get_ver {
134 struct drm_exynos_g2d_cmd {
139 enum drm_exynos_g2d_event_type {
142 G2D_EVENT_STOP, /* not yet */
145 struct drm_exynos_g2d_set_cmdlist {
156 struct drm_exynos_g2d_exec {
160 #define DRM_EXYNOS_GEM_CREATE 0x00
161 #define DRM_EXYNOS_GEM_MAP_OFFSET 0x01
162 #define DRM_EXYNOS_GEM_MMAP 0x02
163 /* Reserved 0x03 ~ 0x05 for exynos specific gem ioctl */
164 #define DRM_EXYNOS_GEM_GET 0x04
165 #define DRM_EXYNOS_PLANE_SET_ZPOS 0x06
166 #define DRM_EXYNOS_VIDI_CONNECTION 0x07
169 #define DRM_EXYNOS_G2D_GET_VER 0x20
170 #define DRM_EXYNOS_G2D_SET_CMDLIST 0x21
171 #define DRM_EXYNOS_G2D_EXEC 0x22
173 #define DRM_IOCTL_EXYNOS_GEM_CREATE DRM_IOWR(DRM_COMMAND_BASE + \
174 DRM_EXYNOS_GEM_CREATE, struct drm_exynos_gem_create)
176 #define DRM_IOCTL_EXYNOS_GEM_MAP_OFFSET DRM_IOWR(DRM_COMMAND_BASE + \
177 DRM_EXYNOS_GEM_MAP_OFFSET, struct drm_exynos_gem_map_off)
179 #define DRM_IOCTL_EXYNOS_GEM_MMAP DRM_IOWR(DRM_COMMAND_BASE + \
180 DRM_EXYNOS_GEM_MMAP, struct drm_exynos_gem_mmap)
182 #define DRM_IOCTL_EXYNOS_GEM_GET DRM_IOWR(DRM_COMMAND_BASE + \
183 DRM_EXYNOS_GEM_GET, struct drm_exynos_gem_info)
185 #define DRM_IOCTL_EXYNOS_PLANE_SET_ZPOS DRM_IOWR(DRM_COMMAND_BASE + \
186 DRM_EXYNOS_PLANE_SET_ZPOS, struct drm_exynos_plane_set_zpos)
188 #define DRM_IOCTL_EXYNOS_VIDI_CONNECTION DRM_IOWR(DRM_COMMAND_BASE + \
189 DRM_EXYNOS_VIDI_CONNECTION, struct drm_exynos_vidi_connection)
191 #define DRM_IOCTL_EXYNOS_G2D_GET_VER DRM_IOWR(DRM_COMMAND_BASE + \
192 DRM_EXYNOS_G2D_GET_VER, struct drm_exynos_g2d_get_ver)
193 #define DRM_IOCTL_EXYNOS_G2D_SET_CMDLIST DRM_IOWR(DRM_COMMAND_BASE + \
194 DRM_EXYNOS_G2D_SET_CMDLIST, struct drm_exynos_g2d_set_cmdlist)
195 #define DRM_IOCTL_EXYNOS_G2D_EXEC DRM_IOWR(DRM_COMMAND_BASE + \
196 DRM_EXYNOS_G2D_EXEC, struct drm_exynos_g2d_exec)
198 /* EXYNOS specific events */
199 #define DRM_EXYNOS_G2D_EVENT 0x80000000
201 struct drm_exynos_g2d_event {
202 struct drm_event base;
213 * A structure for lcd panel information.
215 * @timing: default video mode for initializing
216 * @width_mm: physical size of lcd width.
217 * @height_mm: physical size of lcd height.
219 struct exynos_drm_panel_info {
220 struct fb_videomode timing;
226 * Platform Specific Structure for DRM based FIMD.
228 * @panel: default panel info for initializing
229 * @default_win: default window layer number to be used for UI.
230 * @bpp: default bit per pixel.
232 struct exynos_drm_fimd_pdata {
233 struct exynos_drm_panel_info panel;
236 unsigned int default_win;
241 * Platform Specific Structure for DRM based HDMI.
243 * @hdmi_dev: device point to specific hdmi driver.
244 * @mixer_dev: device point to specific mixer driver.
246 * this structure is used for common hdmi driver and each device object
247 * would be used to access specific device driver(hdmi or mixer driver)
249 struct exynos_drm_common_hdmi_pd {
250 struct device *hdmi_dev;
251 struct device *mixer_dev;
255 * Platform Specific Structure for DRM based HDMI core.
257 * @is_v13: set if hdmi version 13 is.
258 * @cfg_hpd: function pointer to configure hdmi hotplug detection pin
259 * @get_hpd: function pointer to get value of hdmi hotplug detection pin
261 struct exynos_drm_hdmi_pdata {
263 void (*cfg_hpd)(bool external);
264 int (*get_hpd)(void);
267 #endif /* __KERNEL__ */
268 #endif /* _EXYNOS_DRM_H_ */