xref: /openbmc/linux/drivers/gpu/drm/i915/gvt/fb_decoder.h (revision d47a97bd)
1 /*
2  * Copyright(c) 2011-2016 Intel Corporation. All rights reserved.
3  *
4  * Permission is hereby granted, free of charge, to any person obtaining a
5  * copy of this software and associated documentation files (the "Software"),
6  * to deal in the Software without restriction, including without limitation
7  * the rights to use, copy, modify, merge, publish, distribute, sublicense,
8  * and/or sell copies of the Software, and to permit persons to whom the
9  * Software is furnished to do so, subject to the following conditions:
10  *
11  * The above copyright notice and this permission notice (including the next
12  * paragraph) shall be included in all copies or substantial portions of the
13  * Software.
14  *
15  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
16  * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
17  * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
18  * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
19  * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
20  * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
21  * SOFTWARE.
22  *
23  * Authors:
24  *    Kevin Tian <kevin.tian@intel.com>
25  *
26  * Contributors:
27  *    Bing Niu <bing.niu@intel.com>
28  *    Xu Han <xu.han@intel.com>
29  *    Ping Gao <ping.a.gao@intel.com>
30  *    Xiaoguang Chen <xiaoguang.chen@intel.com>
31  *    Yang Liu <yang2.liu@intel.com>
32  *    Tina Zhang <tina.zhang@intel.com>
33  *
34  */
35 
36 #ifndef _GVT_FB_DECODER_H_
37 #define _GVT_FB_DECODER_H_
38 
39 #include <linux/types.h>
40 
41 #include "display/intel_display_limits.h"
42 
43 struct intel_vgpu;
44 
45 #define _PLANE_CTL_FORMAT_SHIFT		24
46 #define _PLANE_CTL_TILED_SHIFT		10
47 #define _PIPE_V_SRCSZ_SHIFT		0
48 #define _PIPE_V_SRCSZ_MASK		(0xfff << _PIPE_V_SRCSZ_SHIFT)
49 #define _PIPE_H_SRCSZ_SHIFT		16
50 #define _PIPE_H_SRCSZ_MASK		(0x1fff << _PIPE_H_SRCSZ_SHIFT)
51 
52 #define _PRI_PLANE_FMT_SHIFT		26
53 #define _PRI_PLANE_STRIDE_MASK		(0x3ff << 6)
54 #define _PRI_PLANE_X_OFF_SHIFT		0
55 #define _PRI_PLANE_X_OFF_MASK		(0x1fff << _PRI_PLANE_X_OFF_SHIFT)
56 #define _PRI_PLANE_Y_OFF_SHIFT		16
57 #define _PRI_PLANE_Y_OFF_MASK		(0xfff << _PRI_PLANE_Y_OFF_SHIFT)
58 
59 #define _CURSOR_MODE			0x3f
60 #define _CURSOR_ALPHA_FORCE_SHIFT	8
61 #define _CURSOR_ALPHA_FORCE_MASK	(0x3 << _CURSOR_ALPHA_FORCE_SHIFT)
62 #define _CURSOR_ALPHA_PLANE_SHIFT	10
63 #define _CURSOR_ALPHA_PLANE_MASK	(0x3 << _CURSOR_ALPHA_PLANE_SHIFT)
64 #define _CURSOR_POS_X_SHIFT		0
65 #define _CURSOR_POS_X_MASK		(0x1fff << _CURSOR_POS_X_SHIFT)
66 #define _CURSOR_SIGN_X_SHIFT		15
67 #define _CURSOR_SIGN_X_MASK		(1 << _CURSOR_SIGN_X_SHIFT)
68 #define _CURSOR_POS_Y_SHIFT		16
69 #define _CURSOR_POS_Y_MASK		(0xfff << _CURSOR_POS_Y_SHIFT)
70 #define _CURSOR_SIGN_Y_SHIFT		31
71 #define _CURSOR_SIGN_Y_MASK		(1 << _CURSOR_SIGN_Y_SHIFT)
72 
73 #define _SPRITE_FMT_SHIFT		25
74 #define _SPRITE_COLOR_ORDER_SHIFT	20
75 #define _SPRITE_YUV_ORDER_SHIFT		16
76 #define _SPRITE_STRIDE_SHIFT		6
77 #define _SPRITE_STRIDE_MASK		(0x1ff << _SPRITE_STRIDE_SHIFT)
78 #define _SPRITE_SIZE_WIDTH_SHIFT	0
79 #define _SPRITE_SIZE_HEIGHT_SHIFT	16
80 #define _SPRITE_SIZE_WIDTH_MASK		(0x1fff << _SPRITE_SIZE_WIDTH_SHIFT)
81 #define _SPRITE_SIZE_HEIGHT_MASK	(0xfff << _SPRITE_SIZE_HEIGHT_SHIFT)
82 #define _SPRITE_POS_X_SHIFT		0
83 #define _SPRITE_POS_Y_SHIFT		16
84 #define _SPRITE_POS_X_MASK		(0x1fff << _SPRITE_POS_X_SHIFT)
85 #define _SPRITE_POS_Y_MASK		(0xfff << _SPRITE_POS_Y_SHIFT)
86 #define _SPRITE_OFFSET_START_X_SHIFT	0
87 #define _SPRITE_OFFSET_START_Y_SHIFT	16
88 #define _SPRITE_OFFSET_START_X_MASK	(0x1fff << _SPRITE_OFFSET_START_X_SHIFT)
89 #define _SPRITE_OFFSET_START_Y_MASK	(0xfff << _SPRITE_OFFSET_START_Y_SHIFT)
90 
91 enum GVT_FB_EVENT {
92 	FB_MODE_SET_START = 1,
93 	FB_MODE_SET_END,
94 	FB_DISPLAY_FLIP,
95 };
96 
97 enum DDI_PORT {
98 	DDI_PORT_NONE	= 0,
99 	DDI_PORT_B	= 1,
100 	DDI_PORT_C	= 2,
101 	DDI_PORT_D	= 3,
102 	DDI_PORT_E	= 4
103 };
104 
105 /* color space conversion and gamma correction are not included */
106 struct intel_vgpu_primary_plane_format {
107 	u8	enabled;	/* plane is enabled */
108 	u32	tiled;		/* tiling mode: linear, X-tiled, Y tiled, etc */
109 	u8	bpp;		/* bits per pixel */
110 	u32	hw_format;	/* format field in the PRI_CTL register */
111 	u32	drm_format;	/* format in DRM definition */
112 	u32	base;		/* framebuffer base in graphics memory */
113 	u64     base_gpa;
114 	u32	x_offset;	/* in pixels */
115 	u32	y_offset;	/* in lines */
116 	u32	width;		/* in pixels */
117 	u32	height;		/* in lines */
118 	u32	stride;		/* in bytes */
119 };
120 
121 struct intel_vgpu_sprite_plane_format {
122 	u8	enabled;	/* plane is enabled */
123 	u8	tiled;		/* X-tiled */
124 	u8	bpp;		/* bits per pixel */
125 	u32	hw_format;	/* format field in the SPR_CTL register */
126 	u32	drm_format;	/* format in DRM definition */
127 	u32	base;		/* sprite base in graphics memory */
128 	u64     base_gpa;
129 	u32	x_pos;		/* in pixels */
130 	u32	y_pos;		/* in lines */
131 	u32	x_offset;	/* in pixels */
132 	u32	y_offset;	/* in lines */
133 	u32	width;		/* in pixels */
134 	u32	height;		/* in lines */
135 	u32	stride;		/* in bytes */
136 };
137 
138 struct intel_vgpu_cursor_plane_format {
139 	u8	enabled;
140 	u8	mode;		/* cursor mode select */
141 	u8	bpp;		/* bits per pixel */
142 	u32	drm_format;	/* format in DRM definition */
143 	u32	base;		/* cursor base in graphics memory */
144 	u64     base_gpa;
145 	u32	x_pos;		/* in pixels */
146 	u32	y_pos;		/* in lines */
147 	u8	x_sign;		/* X Position Sign */
148 	u8	y_sign;		/* Y Position Sign */
149 	u32	width;		/* in pixels */
150 	u32	height;		/* in lines */
151 	u32	x_hot;		/* in pixels */
152 	u32	y_hot;		/* in pixels */
153 };
154 
155 struct intel_vgpu_pipe_format {
156 	struct intel_vgpu_primary_plane_format	primary;
157 	struct intel_vgpu_sprite_plane_format	sprite;
158 	struct intel_vgpu_cursor_plane_format	cursor;
159 	enum DDI_PORT ddi_port;  /* the DDI port that pipe is connected to */
160 };
161 
162 struct intel_vgpu_fb_format {
163 	struct intel_vgpu_pipe_format	pipes[I915_MAX_PIPES];
164 };
165 
166 int intel_vgpu_decode_primary_plane(struct intel_vgpu *vgpu,
167 	struct intel_vgpu_primary_plane_format *plane);
168 int intel_vgpu_decode_cursor_plane(struct intel_vgpu *vgpu,
169 	struct intel_vgpu_cursor_plane_format *plane);
170 int intel_vgpu_decode_sprite_plane(struct intel_vgpu *vgpu,
171 	struct intel_vgpu_sprite_plane_format *plane);
172 
173 #endif
174