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 | |