/* SPDX-License-Identifier: GPL-2.0 */ /* * Driver for the MMC / SD / SDIO cell found in: * * TC6393XB TC6391XB TC6387XB T7L66XB ASIC3 * * Copyright (C) 2015-19 Renesas Electronics Corporation * Copyright (C) 2016-19 Sang Engineering, Wolfram Sang * Copyright (C) 2016-17 Horms Solutions, Simon Horman * Copyright (C) 2007 Ian Molton * Copyright (C) 2004 Ian Molton */ #ifndef TMIO_MMC_H #define TMIO_MMC_H #include <linux/dmaengine.h> #include <linux/highmem.h> #include <linux/mutex.h> #include <linux/pagemap.h> #include <linux/scatterlist.h> #include <linux/spinlock.h> #include <linux/interrupt.h> #include <linux/workqueue.h> #define CTL_SD_CMD … #define CTL_ARG_REG … #define CTL_STOP_INTERNAL_ACTION … #define CTL_XFER_BLK_COUNT … #define CTL_RESPONSE … /* driver merges STATUS and following STATUS2 */ #define CTL_STATUS … /* driver merges IRQ_MASK and following IRQ_MASK2 */ #define CTL_IRQ_MASK … #define CTL_SD_CARD_CLK_CTL … #define CTL_SD_XFER_LEN … #define CTL_SD_MEM_CARD_OPT … #define CTL_SD_ERROR_DETAIL_STATUS … #define CTL_SD_DATA_PORT … #define CTL_TRANSACTION_CTL … #define CTL_SDIO_STATUS … #define CTL_SDIO_IRQ_MASK … #define CTL_DMA_ENABLE … #define CTL_RESET_SD … #define CTL_VERSION … #define CTL_SDIF_MODE … /* Definitions for values the CTL_STOP_INTERNAL_ACTION register can take */ #define TMIO_STOP_STP … #define TMIO_STOP_SEC … /* Definitions for values the CTL_STATUS register can take */ #define TMIO_STAT_CMDRESPEND … #define TMIO_STAT_DATAEND … #define TMIO_STAT_CARD_REMOVE … #define TMIO_STAT_CARD_INSERT … #define TMIO_STAT_SIGSTATE … #define TMIO_STAT_WRPROTECT … #define TMIO_STAT_CARD_REMOVE_A … #define TMIO_STAT_CARD_INSERT_A … #define TMIO_STAT_SIGSTATE_A … /* These belong technically to CTL_STATUS2, but the driver merges them */ #define TMIO_STAT_CMD_IDX_ERR … #define TMIO_STAT_CRCFAIL … #define TMIO_STAT_STOPBIT_ERR … #define TMIO_STAT_DATATIMEOUT … #define TMIO_STAT_RXOVERFLOW … #define TMIO_STAT_TXUNDERRUN … #define TMIO_STAT_CMDTIMEOUT … #define TMIO_STAT_DAT0 … #define TMIO_STAT_RXRDY … #define TMIO_STAT_TXRQ … #define TMIO_STAT_ALWAYS_SET_27 … #define TMIO_STAT_ILL_FUNC … #define TMIO_STAT_SCLKDIVEN … #define TMIO_STAT_CMD_BUSY … #define TMIO_STAT_ILL_ACCESS … /* Definitions for values the CTL_SD_CARD_CLK_CTL register can take */ #define CLK_CTL_DIV_MASK … #define CLK_CTL_SCLKEN … /* Definitions for values the CTL_SD_MEM_CARD_OPT register can take */ #define CARD_OPT_TOP_MASK … #define CARD_OPT_TOP_SHIFT … #define CARD_OPT_EXTOP … #define CARD_OPT_WIDTH8 … #define CARD_OPT_ALWAYS1 … #define CARD_OPT_WIDTH … /* Definitions for values the CTL_SDIO_STATUS register can take */ #define TMIO_SDIO_STAT_IOIRQ … #define TMIO_SDIO_STAT_EXPUB52 … #define TMIO_SDIO_STAT_EXWT … #define TMIO_SDIO_MASK_ALL … #define TMIO_SDIO_SETBITS_MASK … /* Definitions for values the CTL_DMA_ENABLE register can take */ #define DMA_ENABLE_DMASDRW … /* Definitions for values the CTL_SDIF_MODE register can take */ #define SDIF_MODE_HS400 … /* Define some IRQ masks */ /* This is the mask used at reset by the chip */ #define TMIO_MASK_ALL … #define TMIO_MASK_ALL_RCAR2 … #define TMIO_MASK_READOP … #define TMIO_MASK_WRITEOP … #define TMIO_MASK_CMD … #define TMIO_MASK_IRQ … #define TMIO_MAX_BLK_SIZE … struct tmio_mmc_data; struct tmio_mmc_host; struct tmio_mmc_dma_ops { … }; struct tmio_mmc_host { … }; struct tmio_mmc_host *tmio_mmc_host_alloc(struct platform_device *pdev, struct tmio_mmc_data *pdata); void tmio_mmc_host_free(struct tmio_mmc_host *host); int tmio_mmc_host_probe(struct tmio_mmc_host *host); void tmio_mmc_host_remove(struct tmio_mmc_host *host); void tmio_mmc_do_data_irq(struct tmio_mmc_host *host); void tmio_mmc_enable_mmc_irqs(struct tmio_mmc_host *host, u32 i); void tmio_mmc_disable_mmc_irqs(struct tmio_mmc_host *host, u32 i); irqreturn_t tmio_mmc_irq(int irq, void *devid); #ifdef CONFIG_PM int tmio_mmc_host_runtime_suspend(struct device *dev); int tmio_mmc_host_runtime_resume(struct device *dev); #endif static inline u16 sd_ctrl_read16(struct tmio_mmc_host *host, int addr) { … } static inline void sd_ctrl_read16_rep(struct tmio_mmc_host *host, int addr, u16 *buf, int count) { … } static inline u32 sd_ctrl_read16_and_16_as_32(struct tmio_mmc_host *host, int addr) { … } static inline void sd_ctrl_read32_rep(struct tmio_mmc_host *host, int addr, u32 *buf, int count) { … } static inline void sd_ctrl_write16(struct tmio_mmc_host *host, int addr, u16 val) { … } static inline void sd_ctrl_write16_rep(struct tmio_mmc_host *host, int addr, u16 *buf, int count) { … } static inline void sd_ctrl_write32_as_16_and_16(struct tmio_mmc_host *host, int addr, u32 val) { … } static inline void sd_ctrl_write32(struct tmio_mmc_host *host, int addr, u32 val) { … } static inline void sd_ctrl_write32_rep(struct tmio_mmc_host *host, int addr, const u32 *buf, int count) { … } #endif
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