/* *  linux/drivers/mmc/mmci.h - ARM PrimeCell MMCI PL180/1 driver * *  Copyright (C) 2003 Deep Blue Solutions, Ltd, All Rights Reserved. * * This program is free software; you can redistribute it and/or modify * it under the terms of the GNU General Public License version 2 as * published by the Free Software Foundation. */#define MMCIPOWER		0x000#define MCI_PWR_OFF		0x00#define MCI_PWR_UP		0x02#define MCI_PWR_ON		0x03#define MCI_OD			(1 << 6)#define MCI_ROD			(1 << 7)#define MMCICLOCK		0x004#define MCI_CLK_ENABLE		(1 << 8)#define MCI_CLK_PWRSAVE		(1 << 9)#define MCI_CLK_BYPASS		(1 << 10)#define MMCIARGUMENT		0x008#define MMCICOMMAND		0x00c#define MCI_CPSM_RESPONSE	(1 << 6)#define MCI_CPSM_LONGRSP	(1 << 7)#define MCI_CPSM_INTERRUPT	(1 << 8)#define MCI_CPSM_PENDING	(1 << 9)#define MCI_CPSM_ENABLE		(1 << 10)#define MMCIRESPCMD		0x010#define MMCIRESPONSE0		0x014#define MMCIRESPONSE1		0x018#define MMCIRESPONSE2		0x01c#define MMCIRESPONSE3		0x020#define MMCIDATATIMER		0x024#define MMCIDATALENGTH		0x028#define MMCIDATACTRL		0x02c#define MCI_DPSM_ENABLE		(1 << 0)#define MCI_DPSM_DIRECTION	(1 << 1)#define MCI_DPSM_MODE		(1 << 2)#define MCI_DPSM_DMAENABLE	(1 << 3)#define MMCIDATACNT		0x030#define MMCISTATUS		0x034#define MCI_CMDCRCFAIL		(1 << 0)#define MCI_DATACRCFAIL		(1 << 1)#define MCI_CMDTIMEOUT		(1 << 2)#define MCI_DATATIMEOUT		(1 << 3)#define MCI_TXUNDERRUN		(1 << 4)#define MCI_RXOVERRUN		(1 << 5)#define MCI_CMDRESPEND		(1 << 6)#define MCI_CMDSENT		(1 << 7)#define MCI_DATAEND		(1 << 8)#define MCI_DATABLOCKEND	(1 << 10)#define MCI_CMDACTIVE		(1 << 11)#define MCI_TXACTIVE		(1 << 12)#define MCI_RXACTIVE		(1 << 13)#define MCI_TXFIFOHALFEMPTY	(1 << 14)#define MCI_RXFIFOHALFFULL	(1 << 15)#define MCI_TXFIFOFULL		(1 << 16)#define MCI_RXFIFOFULL		(1 << 17)#define MCI_TXFIFOEMPTY		(1 << 18)#define MCI_RXFIFOEMPTY		(1 << 19)#define MCI_TXDATAAVLBL		(1 << 20)#define MCI_RXDATAAVLBL		(1 << 21)#define MMCICLEAR		0x038#define MCI_CMDCRCFAILCLR	(1 << 0)#define MCI_DATACRCFAILCLR	(1 << 1)#define MCI_CMDTIMEOUTCLR	(1 << 2)#define MCI_DATATIMEOUTCLR	(1 << 3)#define MCI_TXUNDERRUNCLR	(1 << 4)#define MCI_RXOVERRUNCLR	(1 << 5)#define MCI_CMDRESPENDCLR	(1 << 6)#define MCI_CMDSENTCLR		(1 << 7)#define MCI_DATAENDCLR		(1 << 8)#define MCI_DATABLOCKENDCLR	(1 << 10)#define MMCIMASK0		0x03c#define MCI_CMDCRCFAILMASK	(1 << 0)#define MCI_DATACRCFAILMASK	(1 << 1)#define MCI_CMDTIMEOUTMASK	(1 << 2)#define MCI_DATATIMEOUTMASK	(1 << 3)#define MCI_TXUNDERRUNMASK	(1 << 4)#define MCI_RXOVERRUNMASK	(1 << 5)#define MCI_CMDRESPENDMASK	(1 << 6)#define MCI_CMDSENTMASK		(1 << 7)#define MCI_DATAENDMASK		(1 << 8)#define MCI_DATABLOCKENDMASK	(1 << 10)#define MCI_CMDACTIVEMASK	(1 << 11)#define MCI_TXACTIVEMASK	(1 << 12)#define MCI_RXACTIVEMASK	(1 << 13)#define MCI_TXFIFOHALFEMPTYMASK	(1 << 14)#define MCI_RXFIFOHALFFULLMASK	(1 << 15)#define MCI_TXFIFOFULLMASK	(1 << 16)#define MCI_RXFIFOFULLMASK	(1 << 17)#define MCI_TXFIFOEMPTYMASK	(1 << 18)#define MCI_RXFIFOEMPTYMASK	(1 << 19)#define MCI_TXDATAAVLBLMASK	(1 << 20)#define MCI_RXDATAAVLBLMASK	(1 << 21)#define MMCIMASK1		0x040#define MMCIFIFOCNT		0x048#define MMCIFIFO		0x080 /* to 0x0bc */#define MCI_IRQENABLE	\	(MCI_CMDCRCFAILMASK|MCI_DATACRCFAILMASK|MCI_CMDTIMEOUTMASK|	\	MCI_DATATIMEOUTMASK|MCI_TXUNDERRUNMASK|MCI_RXOVERRUNMASK|	\	MCI_CMDRESPENDMASK|MCI_CMDSENTMASK|MCI_DATABLOCKENDMASK)/* * The size of the FIFO in bytes. */#define MCI_FIFOSIZE	(16*4)	#define MCI_FIFOHALFSIZE (MCI_FIFOSIZE / 2)#define NR_SG		16struct clk;struct mmci_host {	void __iomem		*base;	struct mmc_request	*mrq;	struct mmc_command	*cmd;	struct mmc_data		*data;	struct mmc_host		*mmc;	struct clk		*clk;	unsigned int		data_xfered;	spinlock_t		lock;	unsigned int		mclk;	unsigned int		cclk;	u32			pwr;	struct mmc_platform_data *plat;	struct timer_list	timer;	unsigned int		oldstat;	unsigned int		sg_len;	/* pio stuff */	struct scatterlist	*sg_ptr;	unsigned int		sg_off;	unsigned int		size;};static inline void mmci_init_sg(struct mmci_host *host, struct mmc_data *data){	/*	 * Ideally, we want the higher levels to pass us a scatter list.	 */	host->sg_len = data->sg_len;	host->sg_ptr = data->sg;	host->sg_off = 0;}static inline int mmci_next_sg(struct mmci_host *host){	host->sg_ptr++;	host->sg_off = 0;	return --host->sg_len;}static inline char *mmci_kmap_atomic(struct mmci_host *host, unsigned long *flags){	struct scatterlist *sg = host->sg_ptr;	local_irq_save(*flags);	return kmap_atomic(sg->page, KM_BIO_SRC_IRQ) + sg->offset;}static inline void mmci_kunmap_atomic(struct mmci_host *host, void *buffer, unsigned long *flags){	kunmap_atomic(buffer, KM_BIO_SRC_IRQ);	local_irq_restore(*flags);}