14f2a8f58SJoel Stanley /* SPDX-License-Identifier: GPL-2.0+ */ 24f2a8f58SJoel Stanley /* Copyright 2018 IBM Corporation */ 34f2a8f58SJoel Stanley 44f2a8f58SJoel Stanley #include <drm/drm_device.h> 54f2a8f58SJoel Stanley #include <drm/drm_simple_kms_helper.h> 64f2a8f58SJoel Stanley 74f2a8f58SJoel Stanley struct aspeed_gfx { 8cd829454SDaniel Vetter struct drm_device drm; 94f2a8f58SJoel Stanley void __iomem *base; 104f2a8f58SJoel Stanley struct clk *clk; 114f2a8f58SJoel Stanley struct reset_control *rst; 124f2a8f58SJoel Stanley struct regmap *scu; 134f2a8f58SJoel Stanley 144f2a8f58SJoel Stanley struct drm_simple_display_pipe pipe; 154f2a8f58SJoel Stanley struct drm_connector connector; 164f2a8f58SJoel Stanley }; 17cd829454SDaniel Vetter #define to_aspeed_gfx(x) container_of(x, struct aspeed_gfx, drm) 184f2a8f58SJoel Stanley 194f2a8f58SJoel Stanley int aspeed_gfx_create_pipe(struct drm_device *drm); 204f2a8f58SJoel Stanley int aspeed_gfx_create_output(struct drm_device *drm); 214f2a8f58SJoel Stanley 224f2a8f58SJoel Stanley #define CRT_CTRL1 0x60 /* CRT Control I */ 234f2a8f58SJoel Stanley #define CRT_CTRL2 0x64 /* CRT Control II */ 244f2a8f58SJoel Stanley #define CRT_STATUS 0x68 /* CRT Status */ 254f2a8f58SJoel Stanley #define CRT_MISC 0x6c /* CRT Misc Setting */ 264f2a8f58SJoel Stanley #define CRT_HORIZ0 0x70 /* CRT Horizontal Total & Display Enable End */ 274f2a8f58SJoel Stanley #define CRT_HORIZ1 0x74 /* CRT Horizontal Retrace Start & End */ 284f2a8f58SJoel Stanley #define CRT_VERT0 0x78 /* CRT Vertical Total & Display Enable End */ 294f2a8f58SJoel Stanley #define CRT_VERT1 0x7C /* CRT Vertical Retrace Start & End */ 304f2a8f58SJoel Stanley #define CRT_ADDR 0x80 /* CRT Display Starting Address */ 314f2a8f58SJoel Stanley #define CRT_OFFSET 0x84 /* CRT Display Offset & Terminal Count */ 324f2a8f58SJoel Stanley #define CRT_THROD 0x88 /* CRT Threshold */ 334f2a8f58SJoel Stanley #define CRT_XSCALE 0x8C /* CRT Scaling-Up Factor */ 344f2a8f58SJoel Stanley #define CRT_CURSOR0 0x90 /* CRT Hardware Cursor X & Y Offset */ 354f2a8f58SJoel Stanley #define CRT_CURSOR1 0x94 /* CRT Hardware Cursor X & Y Position */ 364f2a8f58SJoel Stanley #define CRT_CURSOR2 0x98 /* CRT Hardware Cursor Pattern Address */ 374f2a8f58SJoel Stanley #define CRT_9C 0x9C 384f2a8f58SJoel Stanley #define CRT_OSD_H 0xA0 /* CRT OSD Horizontal Start/End */ 394f2a8f58SJoel Stanley #define CRT_OSD_V 0xA4 /* CRT OSD Vertical Start/End */ 404f2a8f58SJoel Stanley #define CRT_OSD_ADDR 0xA8 /* CRT OSD Pattern Address */ 414f2a8f58SJoel Stanley #define CRT_OSD_DISP 0xAC /* CRT OSD Offset */ 424f2a8f58SJoel Stanley #define CRT_OSD_THRESH 0xB0 /* CRT OSD Threshold & Alpha */ 434f2a8f58SJoel Stanley #define CRT_B4 0xB4 444f2a8f58SJoel Stanley #define CRT_STS_V 0xB8 /* CRT Status V */ 454f2a8f58SJoel Stanley #define CRT_SCRATCH 0xBC /* Scratchpad */ 464f2a8f58SJoel Stanley #define CRT_BB0_ADDR 0xD0 /* CRT Display BB0 Starting Address */ 474f2a8f58SJoel Stanley #define CRT_BB1_ADDR 0xD4 /* CRT Display BB1 Starting Address */ 484f2a8f58SJoel Stanley #define CRT_BB_COUNT 0xD8 /* CRT Display BB Terminal Count */ 494f2a8f58SJoel Stanley #define OSD_COLOR1 0xE0 /* OSD Color Palette Index 1 & 0 */ 504f2a8f58SJoel Stanley #define OSD_COLOR2 0xE4 /* OSD Color Palette Index 3 & 2 */ 514f2a8f58SJoel Stanley #define OSD_COLOR3 0xE8 /* OSD Color Palette Index 5 & 4 */ 524f2a8f58SJoel Stanley #define OSD_COLOR4 0xEC /* OSD Color Palette Index 7 & 6 */ 534f2a8f58SJoel Stanley #define OSD_COLOR5 0xF0 /* OSD Color Palette Index 9 & 8 */ 544f2a8f58SJoel Stanley #define OSD_COLOR6 0xF4 /* OSD Color Palette Index 11 & 10 */ 554f2a8f58SJoel Stanley #define OSD_COLOR7 0xF8 /* OSD Color Palette Index 13 & 12 */ 564f2a8f58SJoel Stanley #define OSD_COLOR8 0xFC /* OSD Color Palette Index 15 & 14 */ 574f2a8f58SJoel Stanley 584f2a8f58SJoel Stanley /* CTRL1 */ 594f2a8f58SJoel Stanley #define CRT_CTRL_EN BIT(0) 604f2a8f58SJoel Stanley #define CRT_CTRL_HW_CURSOR_EN BIT(1) 614f2a8f58SJoel Stanley #define CRT_CTRL_OSD_EN BIT(2) 624f2a8f58SJoel Stanley #define CRT_CTRL_INTERLACED BIT(3) 634f2a8f58SJoel Stanley #define CRT_CTRL_COLOR_RGB565 (0 << 7) 644f2a8f58SJoel Stanley #define CRT_CTRL_COLOR_YUV444 (1 << 7) 654f2a8f58SJoel Stanley #define CRT_CTRL_COLOR_XRGB8888 (2 << 7) 664f2a8f58SJoel Stanley #define CRT_CTRL_COLOR_RGB888 (3 << 7) 674f2a8f58SJoel Stanley #define CRT_CTRL_COLOR_YUV444_2RGB (5 << 7) 684f2a8f58SJoel Stanley #define CRT_CTRL_COLOR_YUV422 (7 << 7) 694f2a8f58SJoel Stanley #define CRT_CTRL_COLOR_MASK GENMASK(9, 7) 704f2a8f58SJoel Stanley #define CRT_CTRL_HSYNC_NEGATIVE BIT(16) 714f2a8f58SJoel Stanley #define CRT_CTRL_VSYNC_NEGATIVE BIT(17) 724f2a8f58SJoel Stanley #define CRT_CTRL_VERTICAL_INTR_EN BIT(30) 734f2a8f58SJoel Stanley #define CRT_CTRL_VERTICAL_INTR_STS BIT(31) 744f2a8f58SJoel Stanley 754f2a8f58SJoel Stanley /* CTRL2 */ 764f2a8f58SJoel Stanley #define CRT_CTRL_DAC_EN BIT(0) 774f2a8f58SJoel Stanley #define CRT_CTRL_VBLANK_LINE(x) (((x) << 20) & CRT_CTRL_VBLANK_LINE_MASK) 784f2a8f58SJoel Stanley #define CRT_CTRL_VBLANK_LINE_MASK GENMASK(20, 31) 794f2a8f58SJoel Stanley 804f2a8f58SJoel Stanley /* CRT_HORIZ0 */ 814f2a8f58SJoel Stanley #define CRT_H_TOTAL(x) (x) 824f2a8f58SJoel Stanley #define CRT_H_DE(x) ((x) << 16) 834f2a8f58SJoel Stanley 844f2a8f58SJoel Stanley /* CRT_HORIZ1 */ 854f2a8f58SJoel Stanley #define CRT_H_RS_START(x) (x) 864f2a8f58SJoel Stanley #define CRT_H_RS_END(x) ((x) << 16) 874f2a8f58SJoel Stanley 884f2a8f58SJoel Stanley /* CRT_VIRT0 */ 894f2a8f58SJoel Stanley #define CRT_V_TOTAL(x) (x) 904f2a8f58SJoel Stanley #define CRT_V_DE(x) ((x) << 16) 914f2a8f58SJoel Stanley 924f2a8f58SJoel Stanley /* CRT_VIRT1 */ 934f2a8f58SJoel Stanley #define CRT_V_RS_START(x) (x) 944f2a8f58SJoel Stanley #define CRT_V_RS_END(x) ((x) << 16) 954f2a8f58SJoel Stanley 964f2a8f58SJoel Stanley /* CRT_OFFSET */ 974f2a8f58SJoel Stanley #define CRT_DISP_OFFSET(x) (x) 984f2a8f58SJoel Stanley #define CRT_TERM_COUNT(x) ((x) << 16) 994f2a8f58SJoel Stanley 1004f2a8f58SJoel Stanley /* CRT_THROD */ 1014f2a8f58SJoel Stanley #define CRT_THROD_LOW(x) (x) 1024f2a8f58SJoel Stanley #define CRT_THROD_HIGH(x) ((x) << 8) 1034f2a8f58SJoel Stanley 1044f2a8f58SJoel Stanley /* Default Threshold Seting */ 1054f2a8f58SJoel Stanley #define G5_CRT_THROD_VAL (CRT_THROD_LOW(0x24) | CRT_THROD_HIGH(0x3C)) 106