[deliverable/linux.git] / drivers / mmc / wbsd.h

/*
 *  linux/drivers/mmc/wbsd.h - Winbond W83L51xD SD/MMC driver
 *
 *  Copyright (C) 2004-2005 Pierre Ossman, 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 LOCK_CODE		0xAA

#define WBSD_CONF_SWRST		0x02
#define WBSD_CONF_DEVICE	0x07
#define WBSD_CONF_ID_HI		0x20
#define WBSD_CONF_ID_LO		0x21
#define WBSD_CONF_POWER		0x22
#define WBSD_CONF_PME		0x23
#define WBSD_CONF_PMES		0x24

#define WBSD_CONF_ENABLE	0x30
#define WBSD_CONF_PORT_HI	0x60
#define WBSD_CONF_PORT_LO	0x61
#define WBSD_CONF_IRQ		0x70
#define WBSD_CONF_DRQ		0x74

#define WBSD_CONF_PINS		0xF0

#define DEVICE_SD		0x03

#define WBSD_PINS_DAT3_HI	0x20
#define WBSD_PINS_DAT3_OUT	0x10
#define WBSD_PINS_GP11_HI	0x04
#define WBSD_PINS_DETECT_GP11	0x02
#define WBSD_PINS_DETECT_DAT3	0x01

#define WBSD_CMDR		0x00
#define WBSD_DFR		0x01
#define WBSD_EIR		0x02
#define WBSD_ISR		0x03
#define WBSD_FSR		0x04
#define WBSD_IDXR		0x05
#define WBSD_DATAR		0x06
#define WBSD_CSR		0x07

#define WBSD_EINT_CARD		0x40
#define WBSD_EINT_FIFO_THRE	0x20
#define WBSD_EINT_CCRC		0x10
#define WBSD_EINT_TIMEOUT	0x08
#define WBSD_EINT_PROGEND	0x04
#define WBSD_EINT_CRC		0x02
#define WBSD_EINT_TC		0x01

#define WBSD_INT_PENDING	0x80
#define WBSD_INT_CARD		0x40
#define WBSD_INT_FIFO_THRE	0x20
#define WBSD_INT_CRC		0x10
#define WBSD_INT_TIMEOUT	0x08
#define WBSD_INT_PROGEND	0x04
#define WBSD_INT_BUSYEND	0x02
#define WBSD_INT_TC		0x01

#define WBSD_FIFO_EMPTY		0x80
#define WBSD_FIFO_FULL		0x40
#define WBSD_FIFO_EMTHRE	0x20
#define WBSD_FIFO_FUTHRE	0x10
#define WBSD_FIFO_SZMASK	0x0F

#define WBSD_MSLED		0x20
#define WBSD_POWER_N		0x10
#define WBSD_WRPT		0x04
#define WBSD_CARDPRESENT	0x01

#define WBSD_IDX_CLK		0x01
#define WBSD_IDX_PBSMSB		0x02
#define WBSD_IDX_TAAC		0x03
#define WBSD_IDX_NSAC		0x04
#define WBSD_IDX_PBSLSB		0x05
#define WBSD_IDX_SETUP		0x06
#define WBSD_IDX_DMA		0x07
#define WBSD_IDX_FIFOEN		0x08
#define WBSD_IDX_STATUS		0x10
#define WBSD_IDX_RSPLEN		0x1E
#define WBSD_IDX_RESP0		0x1F
#define WBSD_IDX_RESP1		0x20
#define WBSD_IDX_RESP2		0x21
#define WBSD_IDX_RESP3		0x22
#define WBSD_IDX_RESP4		0x23
#define WBSD_IDX_RESP5		0x24
#define WBSD_IDX_RESP6		0x25
#define WBSD_IDX_RESP7		0x26
#define WBSD_IDX_RESP8		0x27
#define WBSD_IDX_RESP9		0x28
#define WBSD_IDX_RESP10		0x29
#define WBSD_IDX_RESP11		0x2A
#define WBSD_IDX_RESP12		0x2B
#define WBSD_IDX_RESP13		0x2C
#define WBSD_IDX_RESP14		0x2D
#define WBSD_IDX_RESP15		0x2E
#define WBSD_IDX_RESP16		0x2F
#define WBSD_IDX_CRCSTATUS	0x30
#define WBSD_IDX_ISR		0x3F

#define WBSD_CLK_375K		0x00
#define WBSD_CLK_12M		0x01
#define WBSD_CLK_16M		0x02
#define WBSD_CLK_24M		0x03

#define WBSD_DAT3_H		0x08
#define WBSD_FIFO_RESET		0x04
#define WBSD_SOFT_RESET		0x02
#define WBSD_INC_INDEX		0x01

#define WBSD_DMA_SINGLE		0x02
#define WBSD_DMA_ENABLE		0x01

#define WBSD_FIFOEN_EMPTY	0x20
#define WBSD_FIFOEN_FULL	0x10
#define WBSD_FIFO_THREMASK	0x0F

#define WBSD_BLOCK_READ		0x80
#define WBSD_BLOCK_WRITE	0x40
#define WBSD_BUSY		0x20
#define WBSD_CARDTRAFFIC	0x04
#define WBSD_SENDCMD		0x02
#define WBSD_RECVRES		0x01

#define WBSD_RSP_SHORT		0x00
#define WBSD_RSP_LONG		0x01

#define WBSD_CRC_MASK		0x1F
#define WBSD_CRC_OK		0x05 /* S010E (00101) */
#define WBSD_CRC_FAIL		0x0B /* S101E (01011) */

#define WBSD_DMA_SIZE		65536

struct wbsd_host
{
	struct mmc_host*	mmc;		/* MMC structure */
	
	spinlock_t		lock;		/* Mutex */

	int			flags;		/* Driver states */

#define WBSD_FCARD_PRESENT	(1<<0)		/* Card is present */
#define WBSD_FIGNORE_DETECT	(1<<1)		/* Ignore card detection */
	
	struct mmc_request*	mrq;		/* Current request */
	
	u8			isr;		/* Accumulated ISR */
	
	struct scatterlist*	cur_sg;		/* Current SG entry */
	unsigned int		num_sg;		/* Number of entries left */
	void*			mapped_sg;	/* vaddr of mapped sg */
	
	unsigned int		offset;		/* Offset into current entry */
	unsigned int		remain;		/* Data left in curren entry */

	int			size;		/* Total size of transfer */
	
	char*			dma_buffer;	/* ISA DMA buffer */
	dma_addr_t		dma_addr;	/* Physical address for same */

	int			firsterr;	/* See fifo functions */
	
	u8			clk;		/* Current clock speed */
	
	int			config;		/* Config port */
	u8			unlock_code;	/* Code to unlock config */

	int			chip_id;	/* ID of controller */
	
	int			base;		/* I/O port base */
	int			irq;		/* Interrupt */
	int			dma;		/* DMA channel */
	
	struct tasklet_struct	card_tasklet;	/* Tasklet structures */
	struct tasklet_struct	fifo_tasklet;
	struct tasklet_struct	crc_tasklet;
	struct tasklet_struct	timeout_tasklet;
	struct tasklet_struct	finish_tasklet;
	struct tasklet_struct	block_tasklet;
	
	struct timer_list	timer;		/* Card detection timer */
};
Commit	Line	Data
1da177e4 LT	1	/*
	2	* linux/drivers/mmc/wbsd.h - Winbond W83L51xD SD/MMC driver
	3	*
	4	* Copyright (C) 2004-2005 Pierre Ossman, All Rights Reserved.
	5	*
	6	* This program is free software; you can redistribute it and/or modify
	7	* it under the terms of the GNU General Public License version 2 as
	8	* published by the Free Software Foundation.
	9	*/
	10
1da177e4 LT	11	#define LOCK_CODE 0xAA
	12
	13	#define WBSD_CONF_SWRST 0x02
	14	#define WBSD_CONF_DEVICE 0x07
	15	#define WBSD_CONF_ID_HI 0x20
	16	#define WBSD_CONF_ID_LO 0x21
	17	#define WBSD_CONF_POWER 0x22
	18	#define WBSD_CONF_PME 0x23
	19	#define WBSD_CONF_PMES 0x24
	20
	21	#define WBSD_CONF_ENABLE 0x30
	22	#define WBSD_CONF_PORT_HI 0x60
	23	#define WBSD_CONF_PORT_LO 0x61
	24	#define WBSD_CONF_IRQ 0x70
	25	#define WBSD_CONF_DRQ 0x74
	26
	27	#define WBSD_CONF_PINS 0xF0
	28
	29	#define DEVICE_SD 0x03
	30
85bcc130 PO	31	#define WBSD_PINS_DAT3_HI 0x20
	32	#define WBSD_PINS_DAT3_OUT 0x10
	33	#define WBSD_PINS_GP11_HI 0x04
	34	#define WBSD_PINS_DETECT_GP11 0x02
	35	#define WBSD_PINS_DETECT_DAT3 0x01
	36
1da177e4 LT	37	#define WBSD_CMDR 0x00
	38	#define WBSD_DFR 0x01
	39	#define WBSD_EIR 0x02
	40	#define WBSD_ISR 0x03
	41	#define WBSD_FSR 0x04
	42	#define WBSD_IDXR 0x05
	43	#define WBSD_DATAR 0x06
	44	#define WBSD_CSR 0x07
	45
	46	#define WBSD_EINT_CARD 0x40
	47	#define WBSD_EINT_FIFO_THRE 0x20
	48	#define WBSD_EINT_CCRC 0x10
	49	#define WBSD_EINT_TIMEOUT 0x08
	50	#define WBSD_EINT_PROGEND 0x04
	51	#define WBSD_EINT_CRC 0x02
	52	#define WBSD_EINT_TC 0x01
	53
	54	#define WBSD_INT_PENDING 0x80
	55	#define WBSD_INT_CARD 0x40
	56	#define WBSD_INT_FIFO_THRE 0x20
	57	#define WBSD_INT_CRC 0x10
	58	#define WBSD_INT_TIMEOUT 0x08
	59	#define WBSD_INT_PROGEND 0x04
	60	#define WBSD_INT_BUSYEND 0x02
	61	#define WBSD_INT_TC 0x01
	62
	63	#define WBSD_FIFO_EMPTY 0x80
	64	#define WBSD_FIFO_FULL 0x40
	65	#define WBSD_FIFO_EMTHRE 0x20
	66	#define WBSD_FIFO_FUTHRE 0x10
	67	#define WBSD_FIFO_SZMASK 0x0F
	68
	69	#define WBSD_MSLED 0x20
	70	#define WBSD_POWER_N 0x10
	71	#define WBSD_WRPT 0x04
	72	#define WBSD_CARDPRESENT 0x01
	73
	74	#define WBSD_IDX_CLK 0x01
	75	#define WBSD_IDX_PBSMSB 0x02
	76	#define WBSD_IDX_TAAC 0x03
	77	#define WBSD_IDX_NSAC 0x04
	78	#define WBSD_IDX_PBSLSB 0x05
	79	#define WBSD_IDX_SETUP 0x06
	80	#define WBSD_IDX_DMA 0x07
	81	#define WBSD_IDX_FIFOEN 0x08
	82	#define WBSD_IDX_STATUS 0x10
	83	#define WBSD_IDX_RSPLEN 0x1E
	84	#define WBSD_IDX_RESP0 0x1F
	85	#define WBSD_IDX_RESP1 0x20
	86	#define WBSD_IDX_RESP2 0x21
	87	#define WBSD_IDX_RESP3 0x22
	88	#define WBSD_IDX_RESP4 0x23
	89	#define WBSD_IDX_RESP5 0x24
	90	#define WBSD_IDX_RESP6 0x25
	91	#define WBSD_IDX_RESP7 0x26
	92	#define WBSD_IDX_RESP8 0x27
	93	#define WBSD_IDX_RESP9 0x28
	94	#define WBSD_IDX_RESP10 0x29
	95	#define WBSD_IDX_RESP11 0x2A
	96	#define WBSD_IDX_RESP12 0x2B
	97	#define WBSD_IDX_RESP13 0x2C
	98	#define WBSD_IDX_RESP14 0x2D
	99	#define WBSD_IDX_RESP15 0x2E
	100	#define WBSD_IDX_RESP16 0x2F
101	#define WBSD_IDX_CRCSTATUS 0x30
102	#define WBSD_IDX_ISR 0x3F
103
104	#define WBSD_CLK_375K 0x00
105	#define WBSD_CLK_12M 0x01
106	#define WBSD_CLK_16M 0x02
107	#define WBSD_CLK_24M 0x03
108
109	#define WBSD_DAT3_H 0x08
110	#define WBSD_FIFO_RESET 0x04
111	#define WBSD_SOFT_RESET 0x02
112	#define WBSD_INC_INDEX 0x01
113
114	#define WBSD_DMA_SINGLE 0x02
115	#define WBSD_DMA_ENABLE 0x01
116
117	#define WBSD_FIFOEN_EMPTY 0x20
118	#define WBSD_FIFOEN_FULL 0x10
119	#define WBSD_FIFO_THREMASK 0x0F
120
121	#define WBSD_BLOCK_READ 0x80
122	#define WBSD_BLOCK_WRITE 0x40
123	#define WBSD_BUSY 0x20
124	#define WBSD_CARDTRAFFIC 0x04
125	#define WBSD_SENDCMD 0x02
126	#define WBSD_RECVRES 0x01
127
128	#define WBSD_RSP_SHORT 0x00
129	#define WBSD_RSP_LONG 0x01
130
131	#define WBSD_CRC_MASK 0x1F
132	#define WBSD_CRC_OK 0x05 /* S010E (00101) */
133	#define WBSD_CRC_FAIL 0x0B /* S101E (01011) */
134
85bcc130	135	#define WBSD_DMA_SIZE 65536
1da177e4 LT	136
	137	struct wbsd_host
	138	{
	139	struct mmc_host* mmc; /* MMC structure */
	140
	141	spinlock_t lock; /* Mutex */
	142
85bcc130 PO	143	int flags; /* Driver states */
	144
	145	#define WBSD_FCARD_PRESENT (1<<0) /* Card is present */
	146	#define WBSD_FIGNORE_DETECT (1<<1) /* Ignore card detection */
	147
1da177e4 LT	148	struct mmc_request* mrq; /* Current request */
	149
	150	u8 isr; /* Accumulated ISR */
	151
	152	struct scatterlist* cur_sg; /* Current SG entry */
	153	unsigned int num_sg; /* Number of entries left */
	154	void* mapped_sg; /* vaddr of mapped sg */
	155
	156	unsigned int offset; /* Offset into current entry */
	157	unsigned int remain; /* Data left in curren entry */
	158
	159	int size; /* Total size of transfer */
	160
	161	char* dma_buffer; /* ISA DMA buffer */
	162	dma_addr_t dma_addr; /* Physical address for same */
	163
	164	int firsterr; /* See fifo functions */
	165
	166	u8 clk; /* Current clock speed */
	167
	168	int config; /* Config port */
	169	u8 unlock_code; /* Code to unlock config */
	170
	171	int chip_id; /* ID of controller */
	172
	173	int base; /* I/O port base */
	174	int irq; /* Interrupt */
	175	int dma; /* DMA channel */
	176
	177	struct tasklet_struct card_tasklet; /* Tasklet structures */
	178	struct tasklet_struct fifo_tasklet;
	179	struct tasklet_struct crc_tasklet;
	180	struct tasklet_struct timeout_tasklet;
	181	struct tasklet_struct finish_tasklet;
	182	struct tasklet_struct block_tasklet;
6e6293dd PO	183
6e6293dd PO	184	struct timer_list timer; /* Card detection timer */
1da177e4	185	};