777 lines
24 KiB
C
Executable file
777 lines
24 KiB
C
Executable file
/* SPDX-License-Identifier: GPL-2.0 */
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/*
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* Copyright (c) 2019 MediaTek Inc.
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*/
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#ifndef MT_SD_H
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#define MT_SD_H
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#ifdef CONFIG_FPGA_EARLY_PORTING
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#ifndef FPGA_PLATFORM
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#define FPGA_PLATFORM
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#endif
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#else
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/* #define MTK_MSDC_BRINGUP_DEBUG */
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#endif
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#include <mt-plat/sync_write.h>
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#include <linux/bitops.h>
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#include <linux/mmc/host.h>
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#include <linux/mmc/mmc.h>
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#include <linux/pm_qos.h>
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#include "msdc_cust.h"
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#include "autok.h"
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#include "autok_dvfs.h"
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#include "sw-cqhci-crypto.h"
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#if defined(CONFIG_MTK_HW_FDE) && defined(CONFIG_MTK_HW_FDE_AES)
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#include <fde_aes.h>
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#include <fde_aes_dbg.h>
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#endif
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#if defined(CONFIG_MTK_EMMC_CQ_SUPPORT) && defined(CONFIG_MTK_EMMC_HW_CQ)
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#error "MTK_EMMC_CQ_SUPPORT & MTK_EMMC_HW_CQ cannot define at the same time."
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#endif
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#ifdef CONFIG_PWR_LOSS_MTK_TEST
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#include <mach/power_loss_test.h>
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#else
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#define MVG_EMMC_CHECK_BUSY_AND_RESET(...)
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#define MVG_EMMC_SETUP(...)
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#define MVG_EMMC_RESET(...)
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#define MVG_EMMC_WRITE_MATCH(...)
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#define MVG_EMMC_ERASE_MATCH(...)
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#define MVG_EMMC_ERASE_RESET(...)
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#define MVG_EMMC_DECLARE_INT32(...)
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#endif
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/* #define MSDC_SWITCH_MODE_WHEN_ERROR */
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#define TUNE_NONE (0) /* No need tune */
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#define TUNE_ASYNC_CMD (0x1 << 0) /* async transfer cmd crc */
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#define TUNE_ASYNC_DATA_WRITE (0x1 << 1) /* async transfer data crc */
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#define TUNE_ASYNC_DATA_READ (0x1 << 2) /* async transfer data crc */
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#define TUNE_LEGACY_CMD (0x1 << 3) /* legacy transfer cmd crc */
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#define TUNE_LEGACY_DATA_WRITE (0x1 << 4) /* legacy transfer data crc */
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#define TUNE_LEGACY_DATA_READ (0x1 << 5) /* legacy transfer data crc */
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#define TUNE_LEGACY_CMD_TMO (0x1 << 6) /* legacy transfer cmd tmo */
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#define TUNE_AUTOK_PASS (0x1 << 7) /* autok pass flag */
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#ifdef CONFIG_MTK_MMC_DEBUG
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#define MSDC_DMA_ADDR_DEBUG
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/* #define MTK_MSDC_LOW_IO_DEBUG */
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#ifdef CONFIG_MTK_EMMC_HW_CQ
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#undef MTK_MSDC_LOW_IO_DEBUG
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#endif
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#endif
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/* #define MTK_MMC_SDIO_DEBUG */
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#define MTK_MSDC_USE_CMD23
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#if !defined(CONFIG_PWR_LOSS_MTK_TEST) && defined(MTK_MSDC_USE_CMD23) \
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|| defined(CONFIG_MTK_EMMC_HW_CQ)
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//#define MTK_MSDC_USE_CACHE
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#endif
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#ifdef MTK_MSDC_USE_CMD23
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#define MSDC_USE_AUTO_CMD23 (1)
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#endif
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/* ================================= */
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#define MAX_GPD_NUM (1 + 1) /* one null gpd */
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#define MAX_BD_NUM (128)
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#define MAX_BD_PER_GPD (MAX_BD_NUM)
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#define CLK_SRC_MAX_NUM (1)
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#define SDIO_ERROR_BYPASS
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/* #define SDIO_EARLY_SETTING_RESTORE */
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/* #define MMC_K44_RETUNE */
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/* #define MTK_MSDC_DUMP_FIFO */
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/*--------------------------------------------------------------------------*/
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/* Common Macro */
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/*--------------------------------------------------------------------------*/
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#define REG_ADDR(x) (base + OFFSET_##x)
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#define REG_ADDR_TOP(x) (base_top + OFFSET_##x)
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/*--------------------------------------------------------------------------*/
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/* Common Definition */
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/*--------------------------------------------------------------------------*/
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#define MSDC_FIFO_SZ (128)
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#define MSDC_FIFO_THD (64) /* (128) */
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#define MSDC_NUM (4)
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/* No memory stick mode, 0 use to gate clock */
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#define MSDC_MS (0)
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#define MSDC_SDMMC (1)
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#define MSDC_MODE_UNKNOWN (0)
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#define MSDC_MODE_PIO (1)
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#define MSDC_MODE_DMA_BASIC (2)
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#define MSDC_MODE_DMA_DESC (3)
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#define MSDC_BUS_1BITS (0)
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#define MSDC_BUS_4BITS (1)
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#define MSDC_BUS_8BITS (2)
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#define MSDC_BRUST_8B (3)
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#define MSDC_BRUST_16B (4)
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#define MSDC_BRUST_32B (5)
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#define MSDC_BRUST_64B (6)
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#define MSDC_AUTOCMD12 (0x0001)
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#define MSDC_AUTOCMD23 (0x0002)
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#define MSDC_AUTOCMD19 (0x0003)
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#define MSDC_AUTOCMD53 (0x0004)
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enum {
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RESP_NONE = 0,
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RESP_R1,
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RESP_R2,
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RESP_R3,
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RESP_R4,
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RESP_R5,
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RESP_R6,
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RESP_R7,
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RESP_R1B
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};
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#include "msdc_reg.h"
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/* MSDC_CFG[START_BIT] value */
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#define START_AT_RISING (0x0)
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#define START_AT_FALLING (0x1)
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#define START_AT_RISING_AND_FALLING (0x2)
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#define START_AT_RISING_OR_FALLING (0x3)
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#define TYPE_CMD_RESP_EDGE (0)
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#define TYPE_WRITE_CRC_EDGE (1)
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#define TYPE_READ_DATA_EDGE (2)
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#define CARD_READY_FOR_DATA (1<<8)
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#define CARD_CURRENT_STATE(x) ((x&0x00001E00)>>9)
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#define REQ_CMD_EIO (0x1 << 0)
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#define REQ_CMD_TMO (0x1 << 1)
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#define REQ_DAT_ERR (0x1 << 2)
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#define REQ_STOP_EIO (0x1 << 3)
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#define REQ_STOP_TMO (0x1 << 4)
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#define REQ_CMD23_EIO (0x1 << 5)
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#define REQ_CMD23_TMO (0x1 << 6)
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#define REQ_CRC_STATUS_ERR (0x1 << 7)
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typedef void (*sdio_irq_handler_t)(void *); /* external irq handler */
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typedef void (*pm_callback_t)(pm_message_t state, void *data);
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#define MSDC_CD_PIN_EN (1 << 0) /* card detection pin is wired */
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#define MSDC_WP_PIN_EN (1 << 1) /* write protection pin is wired */
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#define MSDC_RST_PIN_EN (1 << 2) /* emmc reset pin is wired */
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#define MSDC_SDIO_IRQ (1 << 3) /* use internal sdio irq (bus) */
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#define MSDC_EXT_SDIO_IRQ (1 << 4) /* use external sdio irq */
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#define MSDC_REMOVABLE (1 << 5) /* removable slot */
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#define MSDC_SDIO_DDR208 (1 << 7) /* ddr208 mode used by 6632 */
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#define MSDC_VMCH_FASTOFF (1 << 8) /* vmch fastoff when plug ot card */
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/* for some board, need SD power always on!! or cannot recognize the sd card*/
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#define MSDC_SD_NEED_POWER (1 << 31)
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#define MSDC_BOOT_EN (1)
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struct msdc_hw_driving {
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unsigned char cmd_drv; /* command pad driving */
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unsigned char dat_drv; /* data pad driving */
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unsigned char clk_drv; /* clock pad driving */
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unsigned char rst_drv; /* RST-N pad driving */
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unsigned char ds_drv; /* eMMC5.0 DS pad driving */
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};
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struct msdc_hw {
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unsigned char clk_src; /* host clock source */
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unsigned char cmd_edge; /* command latch edge */
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unsigned char rdata_edge; /* read data latch edge */
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unsigned char wdata_edge; /* write data latch edge */
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struct msdc_hw_driving *driving_applied;
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struct msdc_hw_driving driving;
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struct msdc_hw_driving driving_sdr104;
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struct msdc_hw_driving driving_sdr50;
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struct msdc_hw_driving driving_ddr50;
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struct msdc_hw_driving driving_hs400;
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struct msdc_hw_driving driving_hs200;
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unsigned long flags; /* hardware capability flags */
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unsigned char boot; /* define boot host */
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unsigned char host_function; /* define host function */
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unsigned char cd_level; /* card detection level */
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/* external sdio irq operations */
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void (*request_sdio_eirq)(sdio_irq_handler_t sdio_irq_handler,
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void *data);
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void (*enable_sdio_eirq)(void);
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void (*disable_sdio_eirq)(void);
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/* power management callback for external module */
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void (*register_pm)(pm_callback_t pm_cb, void *data);
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};
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/*--------------------------------------------------------------------------*/
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/* Descriptor Structure */
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/*--------------------------------------------------------------------------*/
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struct gpd_t {
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u32 hwo:1; /* could be changed by hw */
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u32 bdp:1;
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u32 rsv0:6;
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u32 chksum:8;
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u32 intr:1;
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u32 rsv1:7;
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u32 nexth4:4;
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u32 ptrh4:4;
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u32 next;
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u32 ptr;
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u32 buflen:24;
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u32 extlen:8;
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};
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struct bd_t {
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u32 eol:1;
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u32 rsv0:7;
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u32 chksum:8;
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u32 rsv1:1;
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u32 blkpad:1;
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u32 dwpad:1;
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u32 rsv2:5;
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u32 nexth4:4;
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u32 ptrh4:4;
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u32 next;
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u32 ptr;
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u32 buflen:24;
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u32 rsv3:8;
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};
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#define DMA_FLAG_NONE (0x00000000)
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#define DMA_FLAG_EN_CHKSUM (0x00000001)
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#define DMA_FLAG_PAD_BLOCK (0x00000002)
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#define DMA_FLAG_PAD_DWORD (0x00000004)
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struct msdc_dma {
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u32 flags; /* flags */
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u32 xfersz; /* xfer size in bytes */
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u32 sglen; /* size of scatter list */
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u32 blklen; /* block size */
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struct scatterlist *sg; /* I/O scatter list */
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u8 mode; /* dma mode */
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u8 burstsz; /* burst size */
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u8 intr; /* dma done interrupt */
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struct gpd_t *gpd; /* pointer to gpd array */
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struct bd_t *bd; /* pointer to bd array */
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dma_addr_t gpd_addr; /* the physical address of gpd array */
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dma_addr_t bd_addr; /* the physical address of bd array */
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u32 used_gpd; /* the number of used gpd elements */
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u32 used_bd; /* the number of used bd elements */
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};
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/* FIX ME, consider to move it into msdc_tune.c */
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struct msdc_saved_para {
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u32 pad_tune0;
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u32 pad_tune1;
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u8 suspend_flag;
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u32 msdc_cfg;
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u32 sdc_cfg;
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u32 iocon;
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u8 timing;
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u32 hz;
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u8 inten_sdio_irq;
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u8 ds_dly1;
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u8 ds_dly3;
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u32 emmc50_pad_cmd_tune;
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u32 emmc50_dat01;
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u32 emmc50_dat23;
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u32 emmc50_dat45;
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u32 emmc50_dat67;
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u32 emmc50_cfg0;
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u32 pb0;
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u32 pb1;
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u32 pb2;
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u32 sdc_fifo_cfg;
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u32 sdc_adv_cfg0;
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/* msdc top reg */
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u32 emmc_top_control;
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u32 emmc_top_cmd;
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u32 top_emmc50_pad_ctl0;
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u32 top_emmc50_pad_ds_tune;
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u32 top_emmc50_pad_dat_tune[8];
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};
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struct msdc_host {
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struct msdc_hw *hw;
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struct mmc_host *mmc; /* mmc structure */
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struct mmc_command *cmd;
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struct mmc_data *data;
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struct mmc_request *mrq;
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ulong *pio_kaddr;
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int err_cmd;
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int cmd_rsp;
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int error;
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spinlock_t lock; /* mutex */
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spinlock_t reg_lock;
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/* to solve removing bad card
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* race condition with hot-plug enable
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*/
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spinlock_t remove_bad_card;
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#ifdef CONFIG_MTK_EMMC_HW_CQ
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spinlock_t cmd_dump_lock;
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#endif
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/* avoid race condition at DAT1 interrupt case*/
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spinlock_t sdio_irq_lock;
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int clk_gate_count;
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struct semaphore sem;
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u32 blksz; /* host block size */
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void __iomem *base; /* host base address */
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void __iomem *base_top; /* base address for msdc_top*/
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int id; /* host id */
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u32 xfer_size; /* total transferred size */
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struct msdc_dma dma; /* dma channel */
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u64 dma_mask;
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int dma_xfer; /* dma transfer mode */
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u32 timeout_ns; /* data timeout ns */
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u32 timeout_clks; /* data timeout clks */
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atomic_t abort; /* abort transfer */
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int irq; /* host interrupt */
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struct delayed_work set_vcore_workq;
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struct completion autok_done;
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struct completion xfer_done;
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u32 mclk; /* mmc subsystem clock */
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u32 hclk; /* host clock speed */
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u32 sclk; /* SD/MS clock speed */
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u8 timing; /* timing specification used */
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u8 power_mode; /* host power mode */
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u8 bus_width;
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u8 card_inserted; /* card inserted ? */
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u8 autocmd;
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u8 app_cmd; /* for app command */
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u32 app_cmd_arg;
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u32 intsts; /* raw insts */
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bool use_cmd_intr; /* cmd intr mode */
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struct completion cmd_done;
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u32 busy_timeout_ms;/* check device busy */
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u32 max_busy_timeout_ms;
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int pin_state; /* for hw trapping */
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u32 sw_timeout;
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#ifdef SDCARD_ESD_RECOVERY
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/* cmd13 contunous timeout, clear when any other cmd succeed */
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u32 cmd13_timeout_cont;
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#endif
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u32 data_timeout_cont; /* data continuous timeout */
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bool tuning_in_progress;
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u32 need_tune;
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int autok_error;
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int reautok_times;
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int power_cycle_cnt;
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bool is_autok_done;
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u8 use_hw_dvfs;
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u8 lock_vcore;
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/************************ +1 for merge ****************************************/
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u8 autok_res[AUTOK_VCORE_NUM+1][TUNING_PARA_SCAN_COUNT];
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u16 dvfs_reg_backup_cnt;
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u16 dvfs_reg_backup_cnt_top;
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u32 *dvfs_reg_backup;
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u16 *dvfs_reg_offsets;
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u16 *dvfs_reg_offsets_src;
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u16 *dvfs_reg_offsets_top;
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u32 device_status;
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int tune_smpl_times;
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u32 tune_latch_ck_cnt;
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struct msdc_saved_para saved_para;
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struct wakeup_source *trans_lock;
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bool block_bad_card;
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struct delayed_work remove_card; /* remove bad card */
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u32 data_timeout_ms; /* timeout ms for worker */
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struct delayed_work data_timeout_work; /* data timeout worker */
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#ifdef SDIO_ERROR_BYPASS
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int sdio_error; /* sdio error can't recovery */
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#endif
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void (*power_control)(struct msdc_host *host, u32 on);
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int (*power_switch)(struct msdc_host *host, u32 on);
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u32 power_io;
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u32 power_flash;
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struct pm_qos_request msdc_pm_qos_req; /* use for pm qos */
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struct clk *clk_ctl;
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struct clk *aes_clk_ctl;
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struct clk *hclk_ctl;
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struct delayed_work work_init; /* for init mmc_host */
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struct delayed_work work_sdio; /* for DVFS kickoff */
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struct platform_device *pdev;
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int prev_cmd_cause_dump;
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#ifdef CONFIG_MTK_EMMC_CQ_SUPPORT
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atomic_t cq_error_need_stop;
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#endif
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#if defined(CONFIG_MTK_HW_FDE) \
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&& !defined(CONFIG_MTK_HW_FDE_AES)
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bool is_crypto_init;
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u32 key_idx;
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#endif
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u32 dma_cnt;
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u64 start_dma_time;
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u64 stop_dma_time;
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/* flag to record if eMMC will enter hs400 mode */
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bool hs400_mode;
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#ifdef CONFIG_MTK_EMMC_HW_CQ
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struct cmdq_host *cq_host;
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#endif
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};
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enum {
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OPER_TYPE_READ,
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OPER_TYPE_WRITE,
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OPER_TYPE_NUM
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};
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struct dma_addr {
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u32 start_address;
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u32 size;
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u8 end;
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struct dma_addr *next;
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};
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static inline unsigned int uffs(unsigned int x)
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{
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unsigned int r = 1;
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if (!x)
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return 0;
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if (!(x & 0xffff)) {
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x >>= 16;
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r += 16;
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}
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if (!(x & 0xff)) {
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x >>= 8;
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r += 8;
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}
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if (!(x & 0xf)) {
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x >>= 4;
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r += 4;
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}
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if (!(x & 3)) {
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x >>= 2;
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r += 2;
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}
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if (!(x & 1)) {
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x >>= 1;
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r += 1;
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}
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return r;
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}
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#define MSDC_READ8(reg) __raw_readb(reg)
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#define MSDC_READ16(reg) __raw_readw(reg)
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#define MSDC_READ32(reg) __raw_readl(reg)
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#define MSDC_WRITE8(reg, val) mt_reg_sync_writeb(val, reg)
|
|
#define MSDC_WRITE16(reg, val) mt_reg_sync_writew(val, reg)
|
|
#define MSDC_WRITE32(reg, val) mt_reg_sync_writel(val, reg)
|
|
|
|
#define UNSTUFF_BITS(resp, start, size) \
|
|
({ \
|
|
const int __size = size; \
|
|
const u32 __mask = (__size < 32 ? 1 << __size : 0) - 1; \
|
|
const int __off = 3 - ((start) / 32); \
|
|
const int __shft = (start) & 31; \
|
|
u32 __res; \
|
|
__res = resp[__off] >> __shft; \
|
|
if (__size + __shft > 32) \
|
|
__res |= resp[__off-1] << ((32 - __shft) % 32); \
|
|
__res & __mask; \
|
|
})
|
|
|
|
#define MSDC_SET_BIT32(reg, bs) \
|
|
do { \
|
|
unsigned int tv = MSDC_READ32(reg);\
|
|
tv |= (u32)(bs); \
|
|
MSDC_WRITE32(reg, tv); \
|
|
} while (0)
|
|
|
|
#define MSDC_CLR_BIT32(reg, bs) \
|
|
do { \
|
|
unsigned int tv = MSDC_READ32(reg);\
|
|
tv &= ~((u32)(bs)); \
|
|
MSDC_WRITE32(reg, tv); \
|
|
} while (0)
|
|
|
|
#define MSDC_SET_FIELD(reg, field, val) \
|
|
do { \
|
|
unsigned int tv = MSDC_READ32(reg); \
|
|
tv &= ~(field); \
|
|
tv |= ((val) << (uffs((unsigned int)field) - 1)); \
|
|
MSDC_WRITE32(reg, tv); \
|
|
} while (0)
|
|
|
|
#define MSDC_GET_FIELD(reg, field, val) \
|
|
do { \
|
|
unsigned int tv = MSDC_READ32(reg); \
|
|
val = ((tv & (field)) >> (uffs((unsigned int)field) - 1)); \
|
|
} while (0)
|
|
|
|
#define GET_FIELD(reg, field_shift, field_mask, val) \
|
|
(val = (reg >> field_shift) & field_mask)
|
|
|
|
#define sdc_is_busy() (MSDC_READ32(SDC_STS) & SDC_STS_SDCBUSY)
|
|
#define sdc_is_cmd_busy() (MSDC_READ32(SDC_STS) & SDC_STS_CMDBUSY)
|
|
|
|
#ifdef CONFIG_MTK_EMMC_CQ_SUPPORT
|
|
#define sdc_send_cmdq_cmd(opcode, arg) \
|
|
do { \
|
|
MSDC_SET_FIELD(EMMC51_CFG0, MSDC_EMMC51_CFG_CMDQEN \
|
|
| MSDC_EMMC51_CFG_NUM | MSDC_EMMC51_CFG_RSPTYPE \
|
|
| MSDC_EMMC51_CFG_DTYPE, (0x81) | (opcode << 1)); \
|
|
MSDC_WRITE32(SDC_ARG, (arg)); \
|
|
MSDC_WRITE32(SDC_CMD, (0x0)); \
|
|
} while (0)
|
|
#endif
|
|
|
|
#define sdc_send_cmd(cmd, arg) \
|
|
do { \
|
|
MSDC_WRITE32(SDC_ARG, (arg)); \
|
|
MSDC_WRITE32(SDC_CMD, (cmd)); \
|
|
} while (0)
|
|
|
|
#define msdc_retry(expr, retry, cnt, id) \
|
|
do { \
|
|
int backup = cnt; \
|
|
while (retry) { \
|
|
if (!(expr)) \
|
|
break; \
|
|
if (cnt-- == 0) { \
|
|
retry--; mdelay(1); cnt = backup; \
|
|
} \
|
|
} \
|
|
if (retry == 0) { \
|
|
msdc_dump_info(NULL, 0, NULL, id); \
|
|
} \
|
|
WARN_ON(retry == 0); \
|
|
} while (0)
|
|
|
|
#define msdc_reset(id) \
|
|
do { \
|
|
int retry = 3, cnt = 1000; \
|
|
MSDC_SET_BIT32(MSDC_CFG, MSDC_CFG_RST); \
|
|
msdc_retry(MSDC_READ32(MSDC_CFG) & MSDC_CFG_RST, retry, \
|
|
cnt, id); \
|
|
} while (0)
|
|
|
|
#define msdc_clr_int() \
|
|
do { \
|
|
u32 val = MSDC_READ32(MSDC_INT); \
|
|
MSDC_WRITE32(MSDC_INT, val); \
|
|
} while (0)
|
|
|
|
#define msdc_reset_hw(id) \
|
|
do { \
|
|
msdc_reset(id); \
|
|
msdc_clr_fifo(id); \
|
|
msdc_clr_int(); \
|
|
} while (0)
|
|
|
|
#define msdc_txfifocnt() ((MSDC_READ32(MSDC_FIFOCS) \
|
|
& MSDC_FIFOCS_TXCNT) >> 16)
|
|
#define msdc_rxfifocnt() ((MSDC_READ32(MSDC_FIFOCS) \
|
|
& MSDC_FIFOCS_RXCNT) >> 0)
|
|
#define msdc_fifo_write32(v) MSDC_WRITE32(MSDC_TXDATA, (v))
|
|
#define msdc_fifo_write8(v) MSDC_WRITE8(MSDC_TXDATA, (v))
|
|
#define msdc_fifo_read32() MSDC_READ32(MSDC_RXDATA)
|
|
#define msdc_fifo_read8() MSDC_READ8(MSDC_RXDATA)
|
|
|
|
/* can modify to read h/w register.*/
|
|
/* #define is_card_present(h) \
|
|
* ((MSDC_READ32(MSDC_PS) & MSDC_PS_CDSTS) ? 0 : 1);
|
|
*/
|
|
#define is_card_present(h) (((struct msdc_host *)(h))->card_inserted)
|
|
#define is_card_sdio(h) (((struct msdc_host *)(h))->hw->register_pm)
|
|
|
|
#define CMD_TIMEOUT (HZ/100 * 5) /* 10ms x5 */
|
|
#define CMD_CQ_TIMEOUT (HZ * 3)
|
|
#define DAT_TIMEOUT (HZ * 5) /* 1000ms x5 */
|
|
#define POLLING_BUSY (HZ * 3)
|
|
#define POLLING_PINS (HZ*20 / 1000) /* 20ms */
|
|
|
|
/* data timeout for worker */
|
|
#define DATA_TIMEOUT_MS (1000 * 30) /* 30s */
|
|
/* The max erase timeout for sdcard */
|
|
#define SD_ERASE_TIMEOUT_MS (60 * 1000) /* 60 s */
|
|
extern struct msdc_host *mtk_msdc_host[];
|
|
extern unsigned int msdc_latest_transfer_mode[HOST_MAX_NUM];
|
|
extern u32 latest_int_status[];
|
|
extern unsigned int msdc_latest_op[];
|
|
extern unsigned int sd_register_zone[];
|
|
|
|
#ifdef MSDC_DMA_ADDR_DEBUG
|
|
extern struct dma_addr msdc_latest_dma_address[MAX_BD_PER_GPD];
|
|
#endif
|
|
extern int g_dma_debug[HOST_MAX_NUM];
|
|
|
|
extern u32 g_emmc_mode_switch;
|
|
|
|
enum {
|
|
MODE_PIO = 0,
|
|
MODE_DMA = 1,
|
|
MODE_SIZE_DEP = 2,
|
|
MODE_NONE = 3,
|
|
};
|
|
|
|
extern unsigned int sd_debug_zone[];
|
|
extern u32 drv_mode[];
|
|
extern u32 dma_size[];
|
|
extern int dma_force[];
|
|
|
|
extern u32 sdio_pro_enable;
|
|
|
|
extern bool emmc_sleep_failed;
|
|
|
|
extern int msdc_rsp[];
|
|
|
|
extern u16 msdc_offsets[];
|
|
extern u16 msdc_offsets_top[];
|
|
|
|
/**********************************************************/
|
|
/* Functions */
|
|
/**********************************************************/
|
|
#include "msdc_io.h"
|
|
|
|
/* Function provided by sd.c */
|
|
int msdc_clk_stable(struct msdc_host *host, u32 mode, u32 div,
|
|
u32 hs400_src);
|
|
void msdc_clr_fifo(unsigned int id);
|
|
unsigned int msdc_do_command(struct msdc_host *host,
|
|
struct mmc_command *cmd, unsigned long timeout);
|
|
void msdc_dump_info(char **buff, unsigned long *size, struct seq_file *m,
|
|
u32 id);
|
|
void msdc_dump_register(char **buff, unsigned long *size,
|
|
struct seq_file *m, struct msdc_host *host);
|
|
void msdc_dump_register_core(char **buff, unsigned long *size,
|
|
struct seq_file *m, struct msdc_host *host);
|
|
int msdc_execute_tuning(struct mmc_host *mmc, u32 opcode);
|
|
int msdc_error_tuning(struct mmc_host *mmc, struct mmc_request *mrq);
|
|
int msdc_cache_ctrl(struct msdc_host *host, unsigned int enable,
|
|
u32 *status);
|
|
int msdc_get_card_status(struct mmc_host *mmc, struct msdc_host *host,
|
|
u32 *status);
|
|
int msdc_get_dma_status(int host_id);
|
|
void msdc_ops_set_ios(struct mmc_host *mmc, struct mmc_ios *ios);
|
|
void msdc_select_clksrc(struct msdc_host *host, int clksrc);
|
|
void msdc_send_stop(struct msdc_host *host);
|
|
void msdc_set_mclk(struct msdc_host *host, unsigned char timing, u32 hz);
|
|
void msdc_set_smpl(struct msdc_host *host, u32 clock_mode, u8 mode, u8 type,
|
|
u8 *edge);
|
|
void msdc_set_smpl_all(struct msdc_host *host, u32 clock_mode);
|
|
void msdc_set_check_endbit(struct msdc_host *host, bool enable);
|
|
int msdc_switch_part(struct msdc_host *host, char part_id);
|
|
|
|
#ifdef CONFIG_MTK_EMMC_CQ_SUPPORT
|
|
unsigned int msdc_do_cmdq_command(struct msdc_host *host,
|
|
struct mmc_command *cmd,
|
|
unsigned long timeout);
|
|
#endif
|
|
|
|
/* Function provided by msdc_partition.c */
|
|
int msdc_can_apply_cache(unsigned long long start_addr,
|
|
unsigned int size);
|
|
int msdc_check_otp_ops(unsigned int opcode, unsigned long long start_addr,
|
|
unsigned int size);
|
|
int msdc_get_part_info(unsigned char *name, struct hd_struct *part);
|
|
u64 msdc_get_user_capacity(struct msdc_host *host);
|
|
u32 msdc_get_other_capacity(struct msdc_host *host, char *name);
|
|
|
|
/* Function provided by msdc_tune.c */
|
|
int sdcard_hw_reset(struct mmc_host *mmc);
|
|
int sdcard_reset_tuning(struct mmc_host *mmc);
|
|
int emmc_reinit_tuning(struct mmc_host *mmc);
|
|
void msdc_init_tune_setting(struct msdc_host *host);
|
|
void msdc_ios_tune_setting(struct msdc_host *host, struct mmc_ios *ios);
|
|
void msdc_init_tune_path(struct msdc_host *host, unsigned char timing);
|
|
void msdc_sdio_restore_after_resume(struct msdc_host *host);
|
|
void msdc_restore_timing_setting(struct msdc_host *host);
|
|
void msdc_save_timing_setting(struct msdc_host *host);
|
|
void msdc_set_bad_card_and_remove(struct msdc_host *host);
|
|
void msdc_remove_card(struct work_struct *work);
|
|
|
|
/* Function provided by mmc/core/sd.c */
|
|
/* FIX ME: maybe removed in kernel 4.4 */
|
|
int mmc_sd_power_cycle(struct mmc_host *host, u32 ocr,
|
|
struct mmc_card *card);
|
|
|
|
/* Function provided by mmc/core/bus.c */
|
|
void mmc_remove_card(struct mmc_card *card);
|
|
|
|
#define check_mmc_cache_ctrl(card) \
|
|
(card && mmc_card_mmc(card) && (card->ext_csd.cache_ctrl & 0x1))
|
|
#define check_mmc_cache_flush_cmd(cmd) \
|
|
((cmd->opcode == MMC_SWITCH) && \
|
|
(((cmd->arg >> 16) & 0xFF) == EXT_CSD_FLUSH_CACHE) && \
|
|
(((cmd->arg >> 8) & 0x1)))
|
|
|
|
#define check_mmc_cmd001213(opcode) \
|
|
((opcode == MMC_GO_IDLE_STATE) || \
|
|
(opcode == MMC_STOP_TRANSMISSION) || \
|
|
(opcode == MMC_SEND_STATUS))
|
|
|
|
#define check_mmc_cmd081921(opcode) \
|
|
((opcode == MMC_SEND_EXT_CSD) || \
|
|
(opcode == MMC_SEND_TUNING_BLOCK) || \
|
|
(opcode == MMC_SEND_TUNING_BLOCK_HS200))
|
|
|
|
#define check_mmc_cmd1718(opcode) \
|
|
((opcode == MMC_READ_MULTIPLE_BLOCK) || \
|
|
(opcode == MMC_READ_SINGLE_BLOCK))
|
|
#define check_mmc_cmd2425(opcode) \
|
|
((opcode == MMC_WRITE_MULTIPLE_BLOCK) || \
|
|
(opcode == MMC_WRITE_BLOCK))
|
|
#define check_mmc_cmd1825(opcode) \
|
|
((opcode == MMC_READ_MULTIPLE_BLOCK) || \
|
|
(opcode == MMC_WRITE_MULTIPLE_BLOCK))
|
|
|
|
#define check_mmc_cmd4445(opcode) \
|
|
((opcode == MMC_QUE_TASK_PARAMS) || \
|
|
(opcode == MMC_QUE_TASK_ADDR))
|
|
#define check_mmc_cmd46(opcode) \
|
|
(opcode == MMC_EXECUTE_READ_TASK)
|
|
#define check_mmc_cmd47(opcode) \
|
|
(opcode == MMC_EXECUTE_WRITE_TASK)
|
|
#define check_mmc_cmd4647(opcode) \
|
|
((opcode == MMC_EXECUTE_READ_TASK) || \
|
|
(opcode == MMC_EXECUTE_WRITE_TASK))
|
|
#define check_mmc_cmd48(opcode) \
|
|
(opcode == MMC_CMDQ_TASK_MGMT)
|
|
#define check_mmc_cmd44(x) \
|
|
((x) && \
|
|
((x)->opcode == MMC_QUE_TASK_PARAMS))
|
|
#define check_mmc_cmd13_sqs(x) \
|
|
(((x)->opcode == MMC_SEND_STATUS) && \
|
|
((x)->arg & (1 << 15)))
|
|
#define check_mmc_cmd47(opcode) \
|
|
(opcode == MMC_EXECUTE_WRITE_TASK)
|
|
#define check_mmc_cmd_r1b(opcode) \
|
|
((opcode == MMC_SWITCH) || \
|
|
(opcode == MMC_CMDQ_TASK_MGMT))
|
|
|
|
#endif /* end of MT_SD_H */
|