summaryrefslogtreecommitdiffstats
path: root/include/drm/exynos_drm.h
blob: 2d6eb06637bf30ccf2057c0d1e51294dcd57e9d8 (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
/* 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_

/**
 * 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.
 * @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 size;
	uint64_t mapped;
};

/**
 * 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;
};

struct drm_exynos_plane_set_zpos {
	__u32 plane_id;
	__s32 zpos;
};

/* 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
};

#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_PLANE_SET_ZPOS	0x06
#define DRM_EXYNOS_VIDI_CONNECTION	0x07

#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_PLANE_SET_ZPOS	DRM_IOWR(DRM_COMMAND_BASE + \
		DRM_EXYNOS_PLANE_SET_ZPOS, struct drm_exynos_plane_set_zpos)

#define DRM_IOCTL_EXYNOS_VIDI_CONNECTION	DRM_IOWR(DRM_COMMAND_BASE + \
		DRM_EXYNOS_VIDI_CONNECTION, struct drm_exynos_vidi_connection)

#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.
 *
 * @timing: default video mode for initializing
 * @default_win: default window layer number to be used for UI.
 * @bpp: default bit per pixel.
 * @is_v13: set if hdmi version 13 is.
 */
struct exynos_drm_hdmi_pdata {
	struct fb_videomode		timing;
	unsigned int			default_win;
	unsigned int			bpp;
	unsigned int			is_v13:1;
};

#endif	/* __KERNEL__ */
#endif	/* _EXYNOS_DRM_H_ */