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/* SPDX-License-Identifier: GPL-2.0-or-later */
/*
* Exynos Specific Extensions for Synopsys DW Multimedia Card Interface driver
*
* Copyright (C) 2012-2014 Samsung Electronics Co., Ltd.
*/
#ifndef _DW_MMC_EXYNOS_H_
#define _DW_MMC_EXYNOS_H_
#define SDMMC_CLKSEL 0x09C
#define SDMMC_CLKSEL64 0x0A8
/* Extended Register's Offset */
#define SDMMC_HS400_DQS_EN 0x180
#define SDMMC_HS400_ASYNC_FIFO_CTRL 0x184
#define SDMMC_HS400_DLINE_CTRL 0x188
/* CLKSEL register defines */
#define SDMMC_CLKSEL_CCLK_SAMPLE(x) (((x) & 7) << 0)
#define SDMMC_CLKSEL_CCLK_DRIVE(x) (((x) & 7) << 16)
#define SDMMC_CLKSEL_CCLK_DIVIDER(x) (((x) & 7) << 24)
#define SDMMC_CLKSEL_GET_DRV_WD3(x) (((x) >> 16) & 0x7)
#define SDMMC_CLKSEL_GET_DIV(x) (((x) >> 24) & 0x7)
#define SDMMC_CLKSEL_UP_SAMPLE(x, y) (((x) & ~SDMMC_CLKSEL_CCLK_SAMPLE(7)) |\
SDMMC_CLKSEL_CCLK_SAMPLE(y))
#define SDMMC_CLKSEL_TIMING(x, y, z) (SDMMC_CLKSEL_CCLK_SAMPLE(x) | \
SDMMC_CLKSEL_CCLK_DRIVE(y) | \
SDMMC_CLKSEL_CCLK_DIVIDER(z))
#define SDMMC_CLKSEL_TIMING_MASK SDMMC_CLKSEL_TIMING(0x7, 0x7, 0x7)
#define SDMMC_CLKSEL_WAKEUP_INT BIT(11)
/* RCLK_EN register defines */
#define DATA_STROBE_EN BIT(0)
#define AXI_NON_BLOCKING_WR BIT(7)
/* DLINE_CTRL register defines */
#define DQS_CTRL_RD_DELAY(x, y) (((x) & ~0x3FF) | ((y) & 0x3FF))
#define DQS_CTRL_GET_RD_DELAY(x) ((x) & 0x3FF)
/* Protector Register */
#define SDMMC_EMMCP_BASE 0x1000
#define SDMMC_MPSECURITY (SDMMC_EMMCP_BASE + 0x0010)
#define SDMMC_MPSBEGIN0 (SDMMC_EMMCP_BASE + 0x0200)
#define SDMMC_MPSEND0 (SDMMC_EMMCP_BASE + 0x0204)
#define SDMMC_MPSCTRL0 (SDMMC_EMMCP_BASE + 0x020C)
/* SMU control defines */
#define SDMMC_MPSCTRL_SECURE_READ_BIT BIT(7)
#define SDMMC_MPSCTRL_SECURE_WRITE_BIT BIT(6)
#define SDMMC_MPSCTRL_NON_SECURE_READ_BIT BIT(5)
#define SDMMC_MPSCTRL_NON_SECURE_WRITE_BIT BIT(4)
#define SDMMC_MPSCTRL_USE_FUSE_KEY BIT(3)
#define SDMMC_MPSCTRL_ECB_MODE BIT(2)
#define SDMMC_MPSCTRL_ENCRYPTION BIT(1)
#define SDMMC_MPSCTRL_VALID BIT(0)
/* Maximum number of Ending sector */
#define SDMMC_ENDING_SEC_NR_MAX 0xFFFFFFFF
/* Fixed clock divider */
#define EXYNOS4210_FIXED_CIU_CLK_DIV 2
#define EXYNOS4412_FIXED_CIU_CLK_DIV 4
#define HS400_FIXED_CIU_CLK_DIV 1
/* Minimal required clock frequency for cclkin, unit: HZ */
#define EXYNOS_CCLKIN_MIN 50000000
#endif /* _DW_MMC_EXYNOS_H_ */
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