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 /* Indicate Exynos specific vblank flags */
111 enum e_drm_exynos_vblank {
113 * this flags is used for Virtual Display module
114 * to use DRM_IOCTL_WAIT_VBLANK feature. for this,
115 * user should set this flag to vblwait->request.type
117 _DRM_VBLANK_EXYNOS_VIDI = 2,
120 /* memory type definitions. */
121 enum e_drm_exynos_gem_mem_type {
122 /* Physically Continuous memory and used as default. */
123 EXYNOS_BO_CONTIG = 0 << 0,
124 /* Physically Non-Continuous memory. */
125 EXYNOS_BO_NONCONTIG = 1 << 0,
126 /* non-cachable mapping and used as default. */
127 EXYNOS_BO_NONCACHABLE = 0 << 1,
128 /* cachable mapping. */
129 EXYNOS_BO_CACHABLE = 1 << 1,
130 /* write-combine mapping. */
131 EXYNOS_BO_WC = 1 << 2,
132 EXYNOS_BO_MASK = EXYNOS_BO_NONCONTIG | EXYNOS_BO_CACHABLE |
136 struct drm_exynos_g2d_get_ver {
141 struct drm_exynos_g2d_cmd {
146 enum drm_exynos_g2d_event_type {
149 G2D_EVENT_STOP, /* not yet */
152 struct drm_exynos_g2d_set_cmdlist {
163 struct drm_exynos_g2d_exec {
167 #define DRM_EXYNOS_GEM_CREATE 0x00
168 #define DRM_EXYNOS_GEM_MAP_OFFSET 0x01
169 #define DRM_EXYNOS_GEM_MMAP 0x02
170 /* Reserved 0x03 ~ 0x05 for exynos specific gem ioctl */
171 #define DRM_EXYNOS_GEM_GET 0x04
172 #define DRM_EXYNOS_VIDI_CONNECTION 0x07
175 #define DRM_EXYNOS_G2D_GET_VER 0x20
176 #define DRM_EXYNOS_G2D_SET_CMDLIST 0x21
177 #define DRM_EXYNOS_G2D_EXEC 0x22
179 #define DRM_IOCTL_EXYNOS_GEM_CREATE DRM_IOWR(DRM_COMMAND_BASE + \
180 DRM_EXYNOS_GEM_CREATE, struct drm_exynos_gem_create)
182 #define DRM_IOCTL_EXYNOS_GEM_MAP_OFFSET DRM_IOWR(DRM_COMMAND_BASE + \
183 DRM_EXYNOS_GEM_MAP_OFFSET, struct drm_exynos_gem_map_off)
185 #define DRM_IOCTL_EXYNOS_GEM_MMAP DRM_IOWR(DRM_COMMAND_BASE + \
186 DRM_EXYNOS_GEM_MMAP, struct drm_exynos_gem_mmap)
188 #define DRM_IOCTL_EXYNOS_GEM_GET DRM_IOWR(DRM_COMMAND_BASE + \
189 DRM_EXYNOS_GEM_GET, struct drm_exynos_gem_info)
191 #define DRM_IOCTL_EXYNOS_VIDI_CONNECTION DRM_IOWR(DRM_COMMAND_BASE + \
192 DRM_EXYNOS_VIDI_CONNECTION, struct drm_exynos_vidi_connection)
194 #define DRM_IOCTL_EXYNOS_G2D_GET_VER DRM_IOWR(DRM_COMMAND_BASE + \
195 DRM_EXYNOS_G2D_GET_VER, struct drm_exynos_g2d_get_ver)
196 #define DRM_IOCTL_EXYNOS_G2D_SET_CMDLIST DRM_IOWR(DRM_COMMAND_BASE + \
197 DRM_EXYNOS_G2D_SET_CMDLIST, struct drm_exynos_g2d_set_cmdlist)
198 #define DRM_IOCTL_EXYNOS_G2D_EXEC DRM_IOWR(DRM_COMMAND_BASE + \
199 DRM_EXYNOS_G2D_EXEC, struct drm_exynos_g2d_exec)
201 /* EXYNOS specific events */
202 #define DRM_EXYNOS_G2D_EVENT 0x80000000
204 struct drm_exynos_g2d_event {
205 struct drm_event base;
216 * A structure for lcd panel information.
218 * @timing: default video mode for initializing
219 * @width_mm: physical size of lcd width.
220 * @height_mm: physical size of lcd height.
222 struct exynos_drm_panel_info {
223 struct fb_videomode timing;
229 * Platform Specific Structure for DRM based FIMD.
231 * @panel: default panel info for initializing
232 * @default_win: default window layer number to be used for UI.
233 * @bpp: default bit per pixel.
235 struct exynos_drm_fimd_pdata {
236 struct exynos_drm_panel_info panel;
239 unsigned int default_win;
244 * Platform Specific Structure for DRM based HDMI.
246 * @hdmi_dev: device point to specific hdmi driver.
247 * @mixer_dev: device point to specific mixer driver.
249 * this structure is used for common hdmi driver and each device object
250 * would be used to access specific device driver(hdmi or mixer driver)
252 struct exynos_drm_common_hdmi_pd {
253 struct device *hdmi_dev;
254 struct device *mixer_dev;
258 * Platform Specific Structure for DRM based HDMI core.
260 * @is_v13: set if hdmi version 13 is.
261 * @cfg_hpd: function pointer to configure hdmi hotplug detection pin
262 * @get_hpd: function pointer to get value of hdmi hotplug detection pin
264 struct exynos_drm_hdmi_pdata {
266 void (*cfg_hpd)(bool external);
267 int (*get_hpd)(void);
270 #endif /* __KERNEL__ */
271 #endif /* _EXYNOS_DRM_H_ */