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/* 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_VGAARI_W (0x40)
#define AST_IO_VGAMR_W (0x42)
#define AST_IO_VGAER (0x43)
#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_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)
#define AST_IO_VGAMR_R (0x4C)
/*
* 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
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