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 * @pad: just padding to be 64-bit aligned.
68 * @size: memory size to be mapped.
69 * @mapped: having user virtual address mmaped.
70 * - this variable would be filled by exynos gem module
71 * of kernel side with user virtual address which is allocated
74 struct drm_exynos_gem_mmap {
82 * A structure to gem information.
84 * @handle: a handle to gem object created.
85 * @flags: flag value including memory type and cache attribute and
86 * this value would be set by driver.
87 * @size: size to memory region allocated by gem and this size would
90 struct drm_exynos_gem_info {
97 * A structure for user connection request of virtual display.
99 * @connection: indicate whether doing connetion or not by user.
100 * @extensions: if this value is 1 then the vidi driver would need additional
101 * 128bytes edid data.
102 * @edid: the edid data pointer from user side.
104 struct drm_exynos_vidi_connection {
105 unsigned int connection;
106 unsigned int extensions;
110 struct drm_exynos_plane_set_zpos {
115 /* memory type definitions. */
116 enum e_drm_exynos_gem_mem_type {
117 /* Physically Continuous memory and used as default. */
118 EXYNOS_BO_CONTIG = 0 << 0,
119 /* Physically Non-Continuous memory. */
120 EXYNOS_BO_NONCONTIG = 1 << 0,
121 /* non-cachable mapping and used as default. */
122 EXYNOS_BO_NONCACHABLE = 0 << 1,
123 /* cachable mapping. */
124 EXYNOS_BO_CACHABLE = 1 << 1,
125 /* write-combine mapping. */
126 EXYNOS_BO_WC = 1 << 2,
127 EXYNOS_BO_MASK = EXYNOS_BO_NONCONTIG | EXYNOS_BO_CACHABLE |
131 struct drm_exynos_g2d_get_ver {
136 struct drm_exynos_g2d_cmd {
141 enum drm_exynos_g2d_event_type {
144 G2D_EVENT_STOP, /* not yet */
147 struct drm_exynos_g2d_set_cmdlist {
158 struct drm_exynos_g2d_exec {
162 #define DRM_EXYNOS_GEM_CREATE 0x00
163 #define DRM_EXYNOS_GEM_MAP_OFFSET 0x01
164 #define DRM_EXYNOS_GEM_MMAP 0x02
165 /* Reserved 0x03 ~ 0x05 for exynos specific gem ioctl */
166 #define DRM_EXYNOS_GEM_GET 0x04
167 #define DRM_EXYNOS_PLANE_SET_ZPOS 0x06
168 #define DRM_EXYNOS_VIDI_CONNECTION 0x07
171 #define DRM_EXYNOS_G2D_GET_VER 0x20
172 #define DRM_EXYNOS_G2D_SET_CMDLIST 0x21
173 #define DRM_EXYNOS_G2D_EXEC 0x22
175 #define DRM_IOCTL_EXYNOS_GEM_CREATE DRM_IOWR(DRM_COMMAND_BASE + \
176 DRM_EXYNOS_GEM_CREATE, struct drm_exynos_gem_create)
178 #define DRM_IOCTL_EXYNOS_GEM_MAP_OFFSET DRM_IOWR(DRM_COMMAND_BASE + \
179 DRM_EXYNOS_GEM_MAP_OFFSET, struct drm_exynos_gem_map_off)
181 #define DRM_IOCTL_EXYNOS_GEM_MMAP DRM_IOWR(DRM_COMMAND_BASE + \
182 DRM_EXYNOS_GEM_MMAP, struct drm_exynos_gem_mmap)
184 #define DRM_IOCTL_EXYNOS_GEM_GET DRM_IOWR(DRM_COMMAND_BASE + \
185 DRM_EXYNOS_GEM_GET, struct drm_exynos_gem_info)
187 #define DRM_IOCTL_EXYNOS_PLANE_SET_ZPOS DRM_IOWR(DRM_COMMAND_BASE + \
188 DRM_EXYNOS_PLANE_SET_ZPOS, struct drm_exynos_plane_set_zpos)
190 #define DRM_IOCTL_EXYNOS_VIDI_CONNECTION DRM_IOWR(DRM_COMMAND_BASE + \
191 DRM_EXYNOS_VIDI_CONNECTION, struct drm_exynos_vidi_connection)
193 #define DRM_IOCTL_EXYNOS_G2D_GET_VER DRM_IOWR(DRM_COMMAND_BASE + \
194 DRM_EXYNOS_G2D_GET_VER, struct drm_exynos_g2d_get_ver)
195 #define DRM_IOCTL_EXYNOS_G2D_SET_CMDLIST DRM_IOWR(DRM_COMMAND_BASE + \
196 DRM_EXYNOS_G2D_SET_CMDLIST, struct drm_exynos_g2d_set_cmdlist)
197 #define DRM_IOCTL_EXYNOS_G2D_EXEC DRM_IOWR(DRM_COMMAND_BASE + \
198 DRM_EXYNOS_G2D_EXEC, struct drm_exynos_g2d_exec)
200 /* EXYNOS specific events */
201 #define DRM_EXYNOS_G2D_EVENT 0x80000000
203 struct drm_exynos_g2d_event {
204 struct drm_event base;
215 * A structure for lcd panel information.
217 * @timing: default video mode for initializing
218 * @width_mm: physical size of lcd width.
219 * @height_mm: physical size of lcd height.
221 struct exynos_drm_panel_info {
222 struct fb_videomode timing;
228 * Platform Specific Structure for DRM based FIMD.
230 * @panel: default panel info for initializing
231 * @default_win: default window layer number to be used for UI.
232 * @bpp: default bit per pixel.
234 struct exynos_drm_fimd_pdata {
235 struct exynos_drm_panel_info panel;
238 unsigned int default_win;
243 * Platform Specific Structure for DRM based HDMI.
245 * @hdmi_dev: device point to specific hdmi driver.
246 * @mixer_dev: device point to specific mixer driver.
248 * this structure is used for common hdmi driver and each device object
249 * would be used to access specific device driver(hdmi or mixer driver)
251 struct exynos_drm_common_hdmi_pd {
252 struct device *hdmi_dev;
253 struct device *mixer_dev;
257 * Platform Specific Structure for DRM based HDMI core.
259 * @is_v13: set if hdmi version 13 is.
260 * @cfg_hpd: function pointer to configure hdmi hotplug detection pin
261 * @get_hpd: function pointer to get value of hdmi hotplug detection pin
263 struct exynos_drm_hdmi_pdata {
265 void (*cfg_hpd)(bool external);
266 int (*get_hpd)(void);
269 #endif /* __KERNEL__ */
270 #endif /* _EXYNOS_DRM_H_ */