| /* SPDX-License-Identifier: MIT */ |
| |
| #ifndef __AST_REG_H__ |
| #define __AST_REG_H__ |
| |
| #include <linux/bits.h> |
| |
| /* |
| * Modesetting |
| */ |
| |
| #define AST_IO_MM_OFFSET (0x380) |
| #define AST_IO_MM_LENGTH (128) |
| |
| #define AST_IO_VGAARI_W (0x40) |
| |
| #define AST_IO_VGAMR_W (0x42) |
| #define AST_IO_VGAMR_R (0x4c) |
| #define AST_IO_VGAMR_IOSEL BIT(0) |
| |
| #define AST_IO_VGAER (0x43) |
| #define AST_IO_VGAER_VGA_ENABLE BIT(0) |
| |
| #define AST_IO_VGASRI (0x44) |
| #define AST_IO_VGADRR (0x47) |
| #define AST_IO_VGADWR (0x48) |
| #define AST_IO_VGAPDR (0x49) |
| #define AST_IO_VGAGRI (0x4E) |
| |
| #define AST_IO_VGACRI (0x54) |
| #define AST_IO_VGACR80_PASSWORD (0xa8) |
| #define AST_IO_VGACRA1_VGAIO_DISABLED BIT(1) |
| #define AST_IO_VGACRA1_MMIO_ENABLED BIT(2) |
| #define AST_IO_VGACRCB_HWC_16BPP BIT(0) /* set: ARGB4444, cleared: 2bpp palette */ |
| #define AST_IO_VGACRCB_HWC_ENABLED BIT(1) |
| |
| #define AST_IO_VGAIR1_R (0x5A) |
| #define AST_IO_VGAIR1_VREFRESH BIT(3) |
| |
| /* |
| * Display Transmitter Type |
| */ |
| |
| #define TX_TYPE_MASK GENMASK(3, 1) |
| #define NO_TX (0 << 1) |
| #define ITE66121_VBIOS_TX (1 << 1) |
| #define SI164_VBIOS_TX (2 << 1) |
| #define CH7003_VBIOS_TX (3 << 1) |
| #define DP501_VBIOS_TX (4 << 1) |
| #define ANX9807_VBIOS_TX (5 << 1) |
| #define TX_FW_EMBEDDED_FW_TX (6 << 1) |
| #define ASTDP_DPMCU_TX (7 << 1) |
| |
| #define AST_VRAM_INIT_STATUS_MASK GENMASK(7, 6) |
| //#define AST_VRAM_INIT_BY_BMC BIT(7) |
| //#define AST_VRAM_INIT_READY BIT(6) |
| |
| /* |
| * AST DisplayPort |
| */ |
| |
| /* Define for Soc scratched reg used on ASTDP */ |
| #define AST_DP_PHY_SLEEP BIT(4) |
| #define AST_DP_VIDEO_ENABLE BIT(0) |
| |
| /* |
| * CRD1[b5]: DP MCU FW is executing |
| * CRDC[b0]: DP link success |
| * CRDF[b0]: DP HPD |
| * CRE5[b0]: Host reading EDID process is done |
| */ |
| #define ASTDP_MCU_FW_EXECUTING BIT(5) |
| #define ASTDP_LINK_SUCCESS BIT(0) |
| #define ASTDP_HPD BIT(0) |
| #define ASTDP_HOST_EDID_READ_DONE BIT(0) |
| #define ASTDP_HOST_EDID_READ_DONE_MASK GENMASK(0, 0) |
| |
| /* |
| * CRB8[b1]: Enable VSYNC off |
| * CRB8[b0]: Enable HSYNC off |
| */ |
| #define AST_DPMS_VSYNC_OFF BIT(1) |
| #define AST_DPMS_HSYNC_OFF BIT(0) |
| |
| /* |
| * CRDF[b4]: Mirror of AST_DP_VIDEO_ENABLE |
| * Precondition: A. ~AST_DP_PHY_SLEEP && |
| * B. DP_HPD && |
| * C. DP_LINK_SUCCESS |
| */ |
| #define ASTDP_MIRROR_VIDEO_ENABLE BIT(4) |
| |
| #define ASTDP_EDID_READ_POINTER_MASK GENMASK(7, 0) |
| #define ASTDP_EDID_VALID_FLAG_MASK GENMASK(0, 0) |
| #define ASTDP_EDID_READ_DATA_MASK GENMASK(7, 0) |
| |
| /* |
| * ASTDP setmode registers: |
| * CRE0[7:0]: MISC0 ((0x00: 18-bpp) or (0x20: 24-bpp) |
| * CRE1[7:0]: MISC1 (default: 0x00) |
| * CRE2[7:0]: video format index (0x00 ~ 0x20 or 0x40 ~ 0x50) |
| */ |
| #define ASTDP_MISC0_24bpp BIT(5) |
| #define ASTDP_MISC1 0 |
| #define ASTDP_AND_CLEAR_MASK 0x00 |
| |
| #endif |
