LXR linux/drivers/gpu/drm/i915/gvt/fb

   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#define _PLANE_CTL_FORMAT_SHIFT         24
  42#define _PLANE_CTL_TILED_SHIFT          10
  43#define _PIPE_V_SRCSZ_SHIFT             0
  44#define _PIPE_V_SRCSZ_MASK              (0xfff << _PIPE_V_SRCSZ_SHIFT)
  45#define _PIPE_H_SRCSZ_SHIFT             16
  46#define _PIPE_H_SRCSZ_MASK              (0x1fff << _PIPE_H_SRCSZ_SHIFT)
  47
  48#define _PRI_PLANE_FMT_SHIFT            26
  49#define _PRI_PLANE_STRIDE_MASK          (0x3ff << 6)
  50#define _PRI_PLANE_X_OFF_SHIFT          0
  51#define _PRI_PLANE_X_OFF_MASK           (0x1fff << _PRI_PLANE_X_OFF_SHIFT)
  52#define _PRI_PLANE_Y_OFF_SHIFT          16
  53#define _PRI_PLANE_Y_OFF_MASK           (0xfff << _PRI_PLANE_Y_OFF_SHIFT)
  54
  55#define _CURSOR_MODE                    0x3f
  56#define _CURSOR_ALPHA_FORCE_SHIFT       8
  57#define _CURSOR_ALPHA_FORCE_MASK        (0x3 << _CURSOR_ALPHA_FORCE_SHIFT)
  58#define _CURSOR_ALPHA_PLANE_SHIFT       10
  59#define _CURSOR_ALPHA_PLANE_MASK        (0x3 << _CURSOR_ALPHA_PLANE_SHIFT)
  60#define _CURSOR_POS_X_SHIFT             0
  61#define _CURSOR_POS_X_MASK              (0x1fff << _CURSOR_POS_X_SHIFT)
  62#define _CURSOR_SIGN_X_SHIFT            15
  63#define _CURSOR_SIGN_X_MASK             (1 << _CURSOR_SIGN_X_SHIFT)
  64#define _CURSOR_POS_Y_SHIFT             16
  65#define _CURSOR_POS_Y_MASK              (0xfff << _CURSOR_POS_Y_SHIFT)
  66#define _CURSOR_SIGN_Y_SHIFT            31
  67#define _CURSOR_SIGN_Y_MASK             (1 << _CURSOR_SIGN_Y_SHIFT)
  68
  69#define _SPRITE_FMT_SHIFT               25
  70#define _SPRITE_COLOR_ORDER_SHIFT       20
  71#define _SPRITE_YUV_ORDER_SHIFT         16
  72#define _SPRITE_STRIDE_SHIFT            6
  73#define _SPRITE_STRIDE_MASK             (0x1ff << _SPRITE_STRIDE_SHIFT)
  74#define _SPRITE_SIZE_WIDTH_SHIFT        0
  75#define _SPRITE_SIZE_HEIGHT_SHIFT       16
  76#define _SPRITE_SIZE_WIDTH_MASK         (0x1fff << _SPRITE_SIZE_WIDTH_SHIFT)
  77#define _SPRITE_SIZE_HEIGHT_MASK        (0xfff << _SPRITE_SIZE_HEIGHT_SHIFT)
  78#define _SPRITE_POS_X_SHIFT             0
  79#define _SPRITE_POS_Y_SHIFT             16
  80#define _SPRITE_POS_X_MASK              (0x1fff << _SPRITE_POS_X_SHIFT)
  81#define _SPRITE_POS_Y_MASK              (0xfff << _SPRITE_POS_Y_SHIFT)
  82#define _SPRITE_OFFSET_START_X_SHIFT    0
  83#define _SPRITE_OFFSET_START_Y_SHIFT    16
  84#define _SPRITE_OFFSET_START_X_MASK     (0x1fff << _SPRITE_OFFSET_START_X_SHIFT)
  85#define _SPRITE_OFFSET_START_Y_MASK     (0xfff << _SPRITE_OFFSET_START_Y_SHIFT)
  86
  87enum GVT_FB_EVENT {
  88        FB_MODE_SET_START = 1,
  89        FB_MODE_SET_END,
  90        FB_DISPLAY_FLIP,
  91};
  92
  93enum DDI_PORT {
  94        DDI_PORT_NONE   = 0,
  95        DDI_PORT_B      = 1,
  96        DDI_PORT_C      = 2,
  97        DDI_PORT_D      = 3,
  98        DDI_PORT_E      = 4
  99};
 100
 101struct intel_gvt;
 102
 103/* color space conversion and gamma correction are not included */
 104struct intel_vgpu_primary_plane_format {
 105        u8      enabled;        /* plane is enabled */
 106        u32     tiled;          /* tiling mode: linear, X-tiled, Y tiled, etc */
 107        u8      bpp;            /* bits per pixel */
 108        u32     hw_format;      /* format field in the PRI_CTL register */
 109        u32     drm_format;     /* format in DRM definition */
 110        u32     base;           /* framebuffer base in graphics memory */
 111        u64     base_gpa;
 112        u32     x_offset;       /* in pixels */
 113        u32     y_offset;       /* in lines */
 114        u32     width;          /* in pixels */
 115        u32     height;         /* in lines */
 116        u32     stride;         /* in bytes */
 117};
 118
 119struct intel_vgpu_sprite_plane_format {
 120        u8      enabled;        /* plane is enabled */
 121        u8      tiled;          /* X-tiled */
 122        u8      bpp;            /* bits per pixel */
 123        u32     hw_format;      /* format field in the SPR_CTL register */
 124        u32     drm_format;     /* format in DRM definition */
 125        u32     base;           /* sprite base in graphics memory */
 126        u64     base_gpa;
 127        u32     x_pos;          /* in pixels */
 128        u32     y_pos;          /* in lines */
 129        u32     x_offset;       /* in pixels */
 130        u32     y_offset;       /* in lines */
 131        u32     width;          /* in pixels */
 132        u32     height;         /* in lines */
 133        u32     stride;         /* in bytes */
 134};
 135
 136struct intel_vgpu_cursor_plane_format {
 137        u8      enabled;
 138        u8      mode;           /* cursor mode select */
 139        u8      bpp;            /* bits per pixel */
 140        u32     drm_format;     /* format in DRM definition */
 141        u32     base;           /* cursor base in graphics memory */
 142        u64     base_gpa;
 143        u32     x_pos;          /* in pixels */
 144        u32     y_pos;          /* in lines */
 145        u8      x_sign;         /* X Position Sign */
 146        u8      y_sign;         /* Y Position Sign */
 147        u32     width;          /* in pixels */
 148        u32     height;         /* in lines */
 149        u32     x_hot;          /* in pixels */
 150        u32     y_hot;          /* in pixels */
 151};
 152
 153struct intel_vgpu_pipe_format {
 154        struct intel_vgpu_primary_plane_format  primary;
 155        struct intel_vgpu_sprite_plane_format   sprite;
 156        struct intel_vgpu_cursor_plane_format   cursor;
 157        enum DDI_PORT ddi_port;  /* the DDI port that pipe is connected to */
 158};
 159
 160struct intel_vgpu_fb_format {
 161        struct intel_vgpu_pipe_format   pipes[I915_MAX_PIPES];
 162};
 163
 164int intel_vgpu_decode_primary_plane(struct intel_vgpu *vgpu,
 165        struct intel_vgpu_primary_plane_format *plane);
 166int intel_vgpu_decode_cursor_plane(struct intel_vgpu *vgpu,
 167        struct intel_vgpu_cursor_plane_format *plane);
 168int intel_vgpu_decode_sprite_plane(struct intel_vgpu *vgpu,
 169        struct intel_vgpu_sprite_plane_format *plane);
 170
 171#endif
 172