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Diffstat (limited to '')
| -rw-r--r-- | drivers/gpu/drm/aspeed/aspeed_gfx.h | 108 |
1 files changed, 108 insertions, 0 deletions
diff --git a/drivers/gpu/drm/aspeed/aspeed_gfx.h b/drivers/gpu/drm/aspeed/aspeed_gfx.h new file mode 100644 index 000000000..4e6a442c3 --- /dev/null +++ b/drivers/gpu/drm/aspeed/aspeed_gfx.h @@ -0,0 +1,108 @@ +/* SPDX-License-Identifier: GPL-2.0+ */ +/* Copyright 2018 IBM Corporation */ + +#include <drm/drm_device.h> +#include <drm/drm_simple_kms_helper.h> + +struct aspeed_gfx { + struct drm_device drm; + void __iomem *base; + struct clk *clk; + struct reset_control *rst; + struct regmap *scu; + + u32 dac_reg; + u32 int_clr_reg; + u32 vga_scratch_reg; + u32 throd_val; + u32 scan_line_max; + + struct drm_simple_display_pipe pipe; + struct drm_connector connector; +}; +#define to_aspeed_gfx(x) container_of(x, struct aspeed_gfx, drm) + +int aspeed_gfx_create_pipe(struct drm_device *drm); +int aspeed_gfx_create_output(struct drm_device *drm); + +#define CRT_CTRL1 0x60 /* CRT Control I */ +#define CRT_CTRL2 0x64 /* CRT Control II */ +#define CRT_STATUS 0x68 /* CRT Status */ +#define CRT_MISC 0x6c /* CRT Misc Setting */ +#define CRT_HORIZ0 0x70 /* CRT Horizontal Total & Display Enable End */ +#define CRT_HORIZ1 0x74 /* CRT Horizontal Retrace Start & End */ +#define CRT_VERT0 0x78 /* CRT Vertical Total & Display Enable End */ +#define CRT_VERT1 0x7C /* CRT Vertical Retrace Start & End */ +#define CRT_ADDR 0x80 /* CRT Display Starting Address */ +#define CRT_OFFSET 0x84 /* CRT Display Offset & Terminal Count */ +#define CRT_THROD 0x88 /* CRT Threshold */ +#define CRT_XSCALE 0x8C /* CRT Scaling-Up Factor */ +#define CRT_CURSOR0 0x90 /* CRT Hardware Cursor X & Y Offset */ +#define CRT_CURSOR1 0x94 /* CRT Hardware Cursor X & Y Position */ +#define CRT_CURSOR2 0x98 /* CRT Hardware Cursor Pattern Address */ +#define CRT_9C 0x9C +#define CRT_OSD_H 0xA0 /* CRT OSD Horizontal Start/End */ +#define CRT_OSD_V 0xA4 /* CRT OSD Vertical Start/End */ +#define CRT_OSD_ADDR 0xA8 /* CRT OSD Pattern Address */ +#define CRT_OSD_DISP 0xAC /* CRT OSD Offset */ +#define CRT_OSD_THRESH 0xB0 /* CRT OSD Threshold & Alpha */ +#define CRT_B4 0xB4 +#define CRT_STS_V 0xB8 /* CRT Status V */ +#define CRT_SCRATCH 0xBC /* Scratchpad */ +#define CRT_BB0_ADDR 0xD0 /* CRT Display BB0 Starting Address */ +#define CRT_BB1_ADDR 0xD4 /* CRT Display BB1 Starting Address */ +#define CRT_BB_COUNT 0xD8 /* CRT Display BB Terminal Count */ +#define OSD_COLOR1 0xE0 /* OSD Color Palette Index 1 & 0 */ +#define OSD_COLOR2 0xE4 /* OSD Color Palette Index 3 & 2 */ +#define OSD_COLOR3 0xE8 /* OSD Color Palette Index 5 & 4 */ +#define OSD_COLOR4 0xEC /* OSD Color Palette Index 7 & 6 */ +#define OSD_COLOR5 0xF0 /* OSD Color Palette Index 9 & 8 */ +#define OSD_COLOR6 0xF4 /* OSD Color Palette Index 11 & 10 */ +#define OSD_COLOR7 0xF8 /* OSD Color Palette Index 13 & 12 */ +#define OSD_COLOR8 0xFC /* OSD Color Palette Index 15 & 14 */ + +/* CTRL1 */ +#define CRT_CTRL_EN BIT(0) +#define CRT_CTRL_HW_CURSOR_EN BIT(1) +#define CRT_CTRL_OSD_EN BIT(2) +#define CRT_CTRL_INTERLACED BIT(3) +#define CRT_CTRL_COLOR_RGB565 (0 << 7) +#define CRT_CTRL_COLOR_YUV444 (1 << 7) +#define CRT_CTRL_COLOR_XRGB8888 (2 << 7) +#define CRT_CTRL_COLOR_RGB888 (3 << 7) +#define CRT_CTRL_COLOR_YUV444_2RGB (5 << 7) +#define CRT_CTRL_COLOR_YUV422 (7 << 7) +#define CRT_CTRL_COLOR_MASK GENMASK(9, 7) +#define CRT_CTRL_HSYNC_NEGATIVE BIT(16) +#define CRT_CTRL_VSYNC_NEGATIVE BIT(17) +#define CRT_CTRL_VERTICAL_INTR_EN BIT(30) +#define CRT_CTRL_VERTICAL_INTR_STS BIT(31) + +/* CTRL2 */ +#define CRT_CTRL_DAC_EN BIT(0) +#define CRT_CTRL_VBLANK_LINE(x) (((x) << 20) & CRT_CTRL_VBLANK_LINE_MASK) +#define CRT_CTRL_VBLANK_LINE_MASK GENMASK(31, 20) + +/* CRT_HORIZ0 */ +#define CRT_H_TOTAL(x) (x) +#define CRT_H_DE(x) ((x) << 16) + +/* CRT_HORIZ1 */ +#define CRT_H_RS_START(x) (x) +#define CRT_H_RS_END(x) ((x) << 16) + +/* CRT_VIRT0 */ +#define CRT_V_TOTAL(x) (x) +#define CRT_V_DE(x) ((x) << 16) + +/* CRT_VIRT1 */ +#define CRT_V_RS_START(x) (x) +#define CRT_V_RS_END(x) ((x) << 16) + +/* CRT_OFFSET */ +#define CRT_DISP_OFFSET(x) (x) +#define CRT_TERM_COUNT(x) ((x) << 16) + +/* CRT_THROD */ +#define CRT_THROD_LOW(x) (x) +#define CRT_THROD_HIGH(x) ((x) << 8) |