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) 109