[linux-2.6-block.git] / include / linux / com20020.h

/*
 * Linux ARCnet driver - COM20020 chipset support - function declarations
 * 
 * Written 1997 by David Woodhouse.
 * Written 1994-1999 by Avery Pennarun.
 * Derived from skeleton.c by Donald Becker.
 *
 * Special thanks to Contemporary Controls, Inc. (www.ccontrols.com)
 *  for sponsoring the further development of this driver.
 *
 * **********************
 *
 * The original copyright of skeleton.c was as follows:
 *
 * skeleton.c Written 1993 by Donald Becker.
 * Copyright 1993 United States Government as represented by the
 * Director, National Security Agency.  This software may only be used
 * and distributed according to the terms of the GNU General Public License as
 * modified by SRC, incorporated herein by reference.
 *
 * **********************
 *
 * For more details, see drivers/net/arcnet.c
 *
 * **********************
 */
#ifndef __COM20020_H
#define __COM20020_H

int com20020_check(struct net_device *dev);
int com20020_found(struct net_device *dev, int shared);
extern const struct net_device_ops com20020_netdev_ops;

/* The number of low I/O ports used by the card. */
#define ARCNET_TOTAL_SIZE 8

/* various register addresses */
#ifdef CONFIG_SA1100_CT6001
#define BUS_ALIGN  2  /* 8 bit device on a 16 bit bus - needs padding */
#else
#define BUS_ALIGN  1
#endif

#define PLX_PCI_MAX_CARDS 2

struct com20020_pci_channel_map {
	u32 bar;
	u32 offset;
	u32 size;               /* 0x00 - auto, e.g. length of entire bar */
};

struct com20020_pci_card_info {
	const char *name;
	int devcount;

	struct com20020_pci_channel_map chan_map_tbl[PLX_PCI_MAX_CARDS];

	unsigned int flags;
};

struct com20020_priv {
	struct com20020_pci_card_info *ci;
	struct list_head list_dev;
};

struct com20020_dev {
	struct list_head list;
	struct net_device *dev;

	struct com20020_priv *pci_priv;
	int index;
};

#define _INTMASK  (ioaddr+BUS_ALIGN*0)	/* writable */
#define _STATUS   (ioaddr+BUS_ALIGN*0)	/* readable */
#define _COMMAND  (ioaddr+BUS_ALIGN*1)	/* standard arcnet commands */
#define _DIAGSTAT (ioaddr+BUS_ALIGN*1)	/* diagnostic status register */
#define _ADDR_HI  (ioaddr+BUS_ALIGN*2)	/* control registers for IO-mapped memory */
#define _ADDR_LO  (ioaddr+BUS_ALIGN*3)
#define _MEMDATA  (ioaddr+BUS_ALIGN*4)	/* data port for IO-mapped memory */
#define _SUBADR   (ioaddr+BUS_ALIGN*5)	/* the extended port _XREG refers to */
#define _CONFIG   (ioaddr+BUS_ALIGN*6)	/* configuration register */
#define _XREG     (ioaddr+BUS_ALIGN*7)	/* extra registers (indexed by _CONFIG
  					or _SUBADR) */

/* in the ADDR_HI register */
#define RDDATAflag	0x80	/* next access is a read (not a write) */

/* in the DIAGSTAT register */
#define NEWNXTIDflag	0x02	/* ID to which token is passed has changed */

/* in the CONFIG register */
#define RESETcfg	0x80	/* put card in reset state */
#define TXENcfg		0x20	/* enable TX */

/* in SETUP register */
#define PROMISCset	0x10	/* enable RCV_ALL */
#define P1MODE		0x80    /* enable P1-MODE for Backplane */
#define SLOWARB		0x01    /* enable Slow Arbitration for >=5Mbps */

/* COM2002x */
#define SUB_TENTATIVE	0	/* tentative node ID */
#define SUB_NODE	1	/* node ID */
#define SUB_SETUP1	2	/* various options */
#define SUB_TEST	3	/* test/diag register */

/* COM20022 only */
#define SUB_SETUP2	4	/* sundry options */
#define SUB_BUSCTL	5	/* bus control options */
#define SUB_DMACOUNT	6	/* DMA count options */

#define SET_SUBADR(x) do { \
	if ((x) < 4) \
	{ \
		lp->config = (lp->config & ~0x03) | (x); \
		SETCONF; \
	} \
	else \
	{ \
		outb(x, _SUBADR); \
	} \
} while (0)

#undef ARCRESET
#undef ASTATUS
#undef ACOMMAND
#undef AINTMASK

#define ARCRESET { outb(lp->config | 0x80, _CONFIG); \
		    udelay(5);                        \
		    outb(lp->config , _CONFIG);       \
                  }
#define ARCRESET0 { outb(0x18 | 0x80, _CONFIG);   \
		    udelay(5);                       \
		    outb(0x18 , _CONFIG);            \
                  }

#define ASTATUS()	inb(_STATUS)
#define ADIAGSTATUS()	inb(_DIAGSTAT)
#define ACOMMAND(cmd)	outb((cmd),_COMMAND)
#define AINTMASK(msk)	outb((msk),_INTMASK)

#define SETCONF		outb(lp->config, _CONFIG)

#endif /* __COM20020_H */
Commit	Line	Data
1da177e4 LT	1	/*
	2	* Linux ARCnet driver - COM20020 chipset support - function declarations
	3	*
	4	* Written 1997 by David Woodhouse.
	5	* Written 1994-1999 by Avery Pennarun.
	6	* Derived from skeleton.c by Donald Becker.
	7	*
	8	* Special thanks to Contemporary Controls, Inc. (www.ccontrols.com)
	9	* for sponsoring the further development of this driver.
	10	*
	11	* **********************
	12	*
	13	* The original copyright of skeleton.c was as follows:
	14	*
	15	* skeleton.c Written 1993 by Donald Becker.
	16	* Copyright 1993 United States Government as represented by the
	17	* Director, National Security Agency. This software may only be used
	18	* and distributed according to the terms of the GNU General Public License as
	19	* modified by SRC, incorporated herein by reference.
	20	*
	21	* **********************
	22	*
	23	* For more details, see drivers/net/arcnet.c
	24	*
	25	* **********************
	26	*/
	27	#ifndef __COM20020_H
	28	#define __COM20020_H
	29
	30	int com20020_check(struct net_device *dev);
	31	int com20020_found(struct net_device *dev, int shared);
0db155de	32	extern const struct net_device_ops com20020_netdev_ops;
1da177e4 LT	33
	34	/* The number of low I/O ports used by the card. */
	35	#define ARCNET_TOTAL_SIZE 8
	36
	37	/* various register addresses */
	38	#ifdef CONFIG_SA1100_CT6001
	39	#define BUS_ALIGN 2 /* 8 bit device on a 16 bit bus - needs padding */
	40	#else
	41	#define BUS_ALIGN 1
	42	#endif
	43
c51da42a	44	#define PLX_PCI_MAX_CARDS 2
8c14f9c7 MG	45
	46	struct com20020_pci_channel_map {
	47	u32 bar;
	48	u32 offset;
	49	u32 size; /* 0x00 - auto, e.g. length of entire bar */
	50	};
	51
	52	struct com20020_pci_card_info {
	53	const char *name;
	54	int devcount;
	55
	56	struct com20020_pci_channel_map chan_map_tbl[PLX_PCI_MAX_CARDS];
	57
	58	unsigned int flags;
	59	};
1da177e4	60
c51da42a MG	61	struct com20020_priv {
	62	struct com20020_pci_card_info *ci;
	63	struct list_head list_dev;
	64	};
	65
	66	struct com20020_dev {
	67	struct list_head list;
	68	struct net_device *dev;
	69
	70	struct com20020_priv *pci_priv;
	71	int index;
	72	};
	73
1da177e4 LT	74	#define _INTMASK (ioaddr+BUS_ALIGN0) / writable */
	75	#define _STATUS (ioaddr+BUS_ALIGN0) / readable */
	76	#define _COMMAND (ioaddr+BUS_ALIGN1) / standard arcnet commands */
	77	#define _DIAGSTAT (ioaddr+BUS_ALIGN1) / diagnostic status register */
	78	#define _ADDR_HI (ioaddr+BUS_ALIGN2) / control registers for IO-mapped memory */
	79	#define _ADDR_LO (ioaddr+BUS_ALIGN*3)
	80	#define _MEMDATA (ioaddr+BUS_ALIGN4) / data port for IO-mapped memory */
	81	#define _SUBADR (ioaddr+BUS_ALIGN5) / the extended port _XREG refers to */
	82	#define _CONFIG (ioaddr+BUS_ALIGN6) / configuration register */
	83	#define _XREG (ioaddr+BUS_ALIGN7) / extra registers (indexed by _CONFIG
	84	or _SUBADR) */
	85
	86	/* in the ADDR_HI register */
	87	#define RDDATAflag 0x80 /* next access is a read (not a write) */
	88
	89	/* in the DIAGSTAT register */
	90	#define NEWNXTIDflag 0x02 /* ID to which token is passed has changed */
	91
	92	/* in the CONFIG register */
	93	#define RESETcfg 0x80 /* put card in reset state */
	94	#define TXENcfg 0x20 /* enable TX */
	95
	96	/* in SETUP register */
	97	#define PROMISCset 0x10 /* enable RCV_ALL */
	98	#define P1MODE 0x80 /* enable P1-MODE for Backplane */
	99	#define SLOWARB 0x01 /* enable Slow Arbitration for >=5Mbps */
	100
	101	/* COM2002x */
	102	#define SUB_TENTATIVE 0 /* tentative node ID */
	103	#define SUB_NODE 1 /* node ID */
	104	#define SUB_SETUP1 2 /* various options */
	105	#define SUB_TEST 3 /* test/diag register */
	106
	107	/* COM20022 only */
	108	#define SUB_SETUP2 4 /* sundry options */
	109	#define SUB_BUSCTL 5 /* bus control options */
	110	#define SUB_DMACOUNT 6 /* DMA count options */
	111
	112	#define SET_SUBADR(x) do { \
	113	if ((x) < 4) \
	114	{ \
	115	lp->config = (lp->config & ~0x03) \| (x); \
	116	SETCONF; \
	117	} \
	118	else \
	119	{ \
	120	outb(x, _SUBADR); \
	121	} \
	122	} while (0)
	123
	124	#undef ARCRESET
	125	#undef ASTATUS
	126	#undef ACOMMAND
	127	#undef AINTMASK
	128
	129	#define ARCRESET { outb(lp->config \| 0x80, _CONFIG); \
	130	udelay(5); \
	131	outb(lp->config , _CONFIG); \
	132	}
	133	#define ARCRESET0 { outb(0x18 \| 0x80, _CONFIG); \
	134	udelay(5); \
	135	outb(0x18 , _CONFIG); \
	136	}
	137
138	#define ASTATUS() inb(_STATUS)
139	#define ADIAGSTATUS() inb(_DIAGSTAT)
140	#define ACOMMAND(cmd) outb((cmd),_COMMAND)
141	#define AINTMASK(msk) outb((msk),_INTMASK)
142
143	#define SETCONF outb(lp->config, _CONFIG)
144
145	#endif /* __COM20020_H */