drivers/gpu/drm/aspeed/aspeed_gfx.h

   1 /* SPDX-License-Identifier: GPL-2.0+ */
   2 /* Copyright 2018 IBM Corporation */
   3
   4 #include <drm/drm_device.h>
   5 #include <drm/drm_simple_kms_helper.h>
   6
   7 struct aspeed_gfx {
   8         struct drm_device               drm;
   9         void __iomem                    *base;
  10         struct clk                      *clk;
  11         struct reset_control            *rst;
  12         struct regmap                   *scu;
  13
  14         u32                             dac_reg;
  15         u32                             int_clr_reg;
  16         u32                             vga_scratch_reg;
  17         u32                             throd_val;
  18         u32                             scan_line_max;
  19
  20         struct drm_simple_display_pipe  pipe;
  21         struct drm_connector            connector;
  22 };
  23 #define to_aspeed_gfx(x) container_of(x, struct aspeed_gfx, drm)
  24
  25 int aspeed_gfx_create_pipe(struct drm_device *drm);
  26 int aspeed_gfx_create_output(struct drm_device *drm);
  27
  28 #define CRT_CTRL1               0x60 /* CRT Control I */
  29 #define CRT_CTRL2               0x64 /* CRT Control II */
  30 #define CRT_STATUS              0x68 /* CRT Status */
  31 #define CRT_MISC                0x6c /* CRT Misc Setting */
  32 #define CRT_HORIZ0              0x70 /* CRT Horizontal Total & Display Enable End */
  33 #define CRT_HORIZ1              0x74 /* CRT Horizontal Retrace Start & End */
  34 #define CRT_VERT0               0x78 /* CRT Vertical Total & Display Enable End */
  35 #define CRT_VERT1               0x7C /* CRT Vertical Retrace Start & End */
  36 #define CRT_ADDR                0x80 /* CRT Display Starting Address */
  37 #define CRT_OFFSET              0x84 /* CRT Display Offset & Terminal Count */
  38 #define CRT_THROD               0x88 /* CRT Threshold */
  39 #define CRT_XSCALE              0x8C /* CRT Scaling-Up Factor */
  40 #define CRT_CURSOR0             0x90 /* CRT Hardware Cursor X & Y Offset */
  41 #define CRT_CURSOR1             0x94 /* CRT Hardware Cursor X & Y Position */
  42 #define CRT_CURSOR2             0x98 /* CRT Hardware Cursor Pattern Address */
  43 #define CRT_9C                  0x9C
  44 #define CRT_OSD_H               0xA0 /* CRT OSD Horizontal Start/End */
  45 #define CRT_OSD_V               0xA4 /* CRT OSD Vertical Start/End */
  46 #define CRT_OSD_ADDR            0xA8 /* CRT OSD Pattern Address */
  47 #define CRT_OSD_DISP            0xAC /* CRT OSD Offset */
  48 #define CRT_OSD_THRESH          0xB0 /* CRT OSD Threshold & Alpha */
  49 #define CRT_B4                  0xB4
  50 #define CRT_STS_V               0xB8 /* CRT Status V */
  51 #define CRT_SCRATCH             0xBC /* Scratchpad */
  52 #define CRT_BB0_ADDR            0xD0 /* CRT Display BB0 Starting Address */
  53 #define CRT_BB1_ADDR            0xD4 /* CRT Display BB1 Starting Address */
  54 #define CRT_BB_COUNT            0xD8 /* CRT Display BB Terminal Count */
  55 #define OSD_COLOR1              0xE0 /* OSD Color Palette Index 1 & 0 */
  56 #define OSD_COLOR2              0xE4 /* OSD Color Palette Index 3 & 2 */
  57 #define OSD_COLOR3              0xE8 /* OSD Color Palette Index 5 & 4 */
  58 #define OSD_COLOR4              0xEC /* OSD Color Palette Index 7 & 6 */
  59 #define OSD_COLOR5              0xF0 /* OSD Color Palette Index 9 & 8 */
  60 #define OSD_COLOR6              0xF4 /* OSD Color Palette Index 11 & 10 */
  61 #define OSD_COLOR7              0xF8 /* OSD Color Palette Index 13 & 12 */
  62 #define OSD_COLOR8              0xFC /* OSD Color Palette Index 15 & 14 */
  63
  64 /* CTRL1 */
  65 #define CRT_CTRL_EN                     BIT(0)
  66 #define CRT_CTRL_HW_CURSOR_EN           BIT(1)
  67 #define CRT_CTRL_OSD_EN                 BIT(2)
  68 #define CRT_CTRL_INTERLACED             BIT(3)
  69 #define CRT_CTRL_COLOR_RGB565           (0 << 7)
  70 #define CRT_CTRL_COLOR_YUV444           (1 << 7)
  71 #define CRT_CTRL_COLOR_XRGB8888         (2 << 7)
  72 #define CRT_CTRL_COLOR_RGB888           (3 << 7)
  73 #define CRT_CTRL_COLOR_YUV444_2RGB      (5 << 7)
  74 #define CRT_CTRL_COLOR_YUV422           (7 << 7)
  75 #define CRT_CTRL_COLOR_MASK             GENMASK(9, 7)
  76 #define CRT_CTRL_HSYNC_NEGATIVE         BIT(16)
  77 #define CRT_CTRL_VSYNC_NEGATIVE         BIT(17)
  78 #define CRT_CTRL_VERTICAL_INTR_EN       BIT(30)
  79 #define CRT_CTRL_VERTICAL_INTR_STS      BIT(31)
  80
  81 /* CTRL2 */
  82 #define CRT_CTRL_DAC_EN                 BIT(0)
  83 #define CRT_CTRL_VBLANK_LINE(x)         (((x) << 20) & CRT_CTRL_VBLANK_LINE_MASK)
  84 #define CRT_CTRL_VBLANK_LINE_MASK       GENMASK(31, 20)
  85
  86 /* CRT_HORIZ0 */
  87 #define CRT_H_TOTAL(x)                  (x)
  88 #define CRT_H_DE(x)                     ((x) << 16)
  89
  90 /* CRT_HORIZ1 */
  91 #define CRT_H_RS_START(x)               (x)
  92 #define CRT_H_RS_END(x)                 ((x) << 16)
  93
  94 /* CRT_VIRT0 */
  95 #define CRT_V_TOTAL(x)                  (x)
  96 #define CRT_V_DE(x)                     ((x) << 16)
  97
  98 /* CRT_VIRT1 */
  99 #define CRT_V_RS_START(x)               (x)
 100 #define CRT_V_RS_END(x)                 ((x) << 16)
 101
 102 /* CRT_OFFSET */
 103 #define CRT_DISP_OFFSET(x)              (x)
 104 #define CRT_TERM_COUNT(x)               ((x) << 16)
 105
 106 /* CRT_THROD */
 107 #define CRT_THROD_LOW(x)                (x)
 108 #define CRT_THROD_HIGH(x)               ((x) << 8)