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      1 /*	$NetBSD: fb_decoder.h,v 1.2 2021/12/18 23:45:31 riastradh Exp $	*/
      2 
      3 /*
      4  * Copyright(c) 2011-2016 Intel Corporation. All rights reserved.
      5  *
      6  * Permission is hereby granted, free of charge, to any person obtaining a
      7  * copy of this software and associated documentation files (the "Software"),
      8  * to deal in the Software without restriction, including without limitation
      9  * the rights to use, copy, modify, merge, publish, distribute, sublicense,
     10  * and/or sell copies of the Software, and to permit persons to whom the
     11  * Software is furnished to do so, subject to the following conditions:
     12  *
     13  * The above copyright notice and this permission notice (including the next
     14  * paragraph) shall be included in all copies or substantial portions of the
     15  * Software.
     16  *
     17  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
     18  * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
     19  * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
     20  * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
     21  * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
     22  * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
     23  * SOFTWARE.
     24  *
     25  * Authors:
     26  *    Kevin Tian <kevin.tian (at) intel.com>
     27  *
     28  * Contributors:
     29  *    Bing Niu <bing.niu (at) intel.com>
     30  *    Xu Han <xu.han (at) intel.com>
     31  *    Ping Gao <ping.a.gao (at) intel.com>
     32  *    Xiaoguang Chen <xiaoguang.chen (at) intel.com>
     33  *    Yang Liu <yang2.liu (at) intel.com>
     34  *    Tina Zhang <tina.zhang (at) intel.com>
     35  *
     36  */
     37 
     38 #ifndef _GVT_FB_DECODER_H_
     39 #define _GVT_FB_DECODER_H_
     40 
     41 #include <linux/types.h>
     42 
     43 #define _PLANE_CTL_FORMAT_SHIFT		24
     44 #define _PLANE_CTL_TILED_SHIFT		10
     45 #define _PIPE_V_SRCSZ_SHIFT		0
     46 #define _PIPE_V_SRCSZ_MASK		(0xfff << _PIPE_V_SRCSZ_SHIFT)
     47 #define _PIPE_H_SRCSZ_SHIFT		16
     48 #define _PIPE_H_SRCSZ_MASK		(0x1fff << _PIPE_H_SRCSZ_SHIFT)
     49 
     50 #define _PRI_PLANE_FMT_SHIFT		26
     51 #define _PRI_PLANE_STRIDE_MASK		(0x3ff << 6)
     52 #define _PRI_PLANE_X_OFF_SHIFT		0
     53 #define _PRI_PLANE_X_OFF_MASK		(0x1fff << _PRI_PLANE_X_OFF_SHIFT)
     54 #define _PRI_PLANE_Y_OFF_SHIFT		16
     55 #define _PRI_PLANE_Y_OFF_MASK		(0xfff << _PRI_PLANE_Y_OFF_SHIFT)
     56 
     57 #define _CURSOR_MODE			0x3f
     58 #define _CURSOR_ALPHA_FORCE_SHIFT	8
     59 #define _CURSOR_ALPHA_FORCE_MASK	(0x3 << _CURSOR_ALPHA_FORCE_SHIFT)
     60 #define _CURSOR_ALPHA_PLANE_SHIFT	10
     61 #define _CURSOR_ALPHA_PLANE_MASK	(0x3 << _CURSOR_ALPHA_PLANE_SHIFT)
     62 #define _CURSOR_POS_X_SHIFT		0
     63 #define _CURSOR_POS_X_MASK		(0x1fff << _CURSOR_POS_X_SHIFT)
     64 #define _CURSOR_SIGN_X_SHIFT		15
     65 #define _CURSOR_SIGN_X_MASK		(1 << _CURSOR_SIGN_X_SHIFT)
     66 #define _CURSOR_POS_Y_SHIFT		16
     67 #define _CURSOR_POS_Y_MASK		(0xfff << _CURSOR_POS_Y_SHIFT)
     68 #define _CURSOR_SIGN_Y_SHIFT		31
     69 #define _CURSOR_SIGN_Y_MASK		(1 << _CURSOR_SIGN_Y_SHIFT)
     70 
     71 #define _SPRITE_FMT_SHIFT		25
     72 #define _SPRITE_COLOR_ORDER_SHIFT	20
     73 #define _SPRITE_YUV_ORDER_SHIFT		16
     74 #define _SPRITE_STRIDE_SHIFT		6
     75 #define _SPRITE_STRIDE_MASK		(0x1ff << _SPRITE_STRIDE_SHIFT)
     76 #define _SPRITE_SIZE_WIDTH_SHIFT	0
     77 #define _SPRITE_SIZE_HEIGHT_SHIFT	16
     78 #define _SPRITE_SIZE_WIDTH_MASK		(0x1fff << _SPRITE_SIZE_WIDTH_SHIFT)
     79 #define _SPRITE_SIZE_HEIGHT_MASK	(0xfff << _SPRITE_SIZE_HEIGHT_SHIFT)
     80 #define _SPRITE_POS_X_SHIFT		0
     81 #define _SPRITE_POS_Y_SHIFT		16
     82 #define _SPRITE_POS_X_MASK		(0x1fff << _SPRITE_POS_X_SHIFT)
     83 #define _SPRITE_POS_Y_MASK		(0xfff << _SPRITE_POS_Y_SHIFT)
     84 #define _SPRITE_OFFSET_START_X_SHIFT	0
     85 #define _SPRITE_OFFSET_START_Y_SHIFT	16
     86 #define _SPRITE_OFFSET_START_X_MASK	(0x1fff << _SPRITE_OFFSET_START_X_SHIFT)
     87 #define _SPRITE_OFFSET_START_Y_MASK	(0xfff << _SPRITE_OFFSET_START_Y_SHIFT)
     88 
     89 enum GVT_FB_EVENT {
     90 	FB_MODE_SET_START = 1,
     91 	FB_MODE_SET_END,
     92 	FB_DISPLAY_FLIP,
     93 };
     94 
     95 enum DDI_PORT {
     96 	DDI_PORT_NONE	= 0,
     97 	DDI_PORT_B	= 1,
     98 	DDI_PORT_C	= 2,
     99 	DDI_PORT_D	= 3,
    100 	DDI_PORT_E	= 4
    101 };
    102 
    103 struct intel_gvt;
    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