Linux-2.6.33.2/drivers/char/rio/rio.h
/*
** -----------------------------------------------------------------------------
**
** Perle Specialix driver for Linux
** Ported from existing RIO Driver for SCO sources.
*
* (C) 1990 - 1998 Specialix International Ltd., Byfleet, Surrey, UK.
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
**
** Module : rio.h
** SID : 1.3
** Last Modified : 11/6/98 11:34:13
** Retrieved : 11/6/98 11:34:22
**
** ident @(#)rio.h 1.3
**
** -----------------------------------------------------------------------------
*/
#ifndef __rio_rio_h__
#define __rio_rio_h__
/*
** Maximum numbers of things
*/
#define RIO_SLOTS 4 /* number of configuration slots */
#define RIO_HOSTS 4 /* number of hosts that can be found */
#define PORTS_PER_HOST 128 /* number of ports per host */
#define LINKS_PER_UNIT 4 /* number of links from a host */
#define RIO_PORTS (PORTS_PER_HOST * RIO_HOSTS) /* max. no. of ports */
#define RTAS_PER_HOST (MAX_RUP) /* number of RTAs per host */
#define PORTS_PER_RTA (PORTS_PER_HOST/RTAS_PER_HOST) /* ports on a rta */
#define PORTS_PER_MODULE 4 /* number of ports on a plug-in module */
/* number of modules on an RTA */
#define MODULES_PER_RTA (PORTS_PER_RTA/PORTS_PER_MODULE)
#define MAX_PRODUCT 16 /* numbr of different product codes */
#define MAX_MODULE_TYPES 16 /* number of different types of module */
#define RIO_CONTROL_DEV 128 /* minor number of host/control device */
#define RIO_INVALID_MAJOR 0 /* test first host card's major no for validity */
/*
** number of RTAs that can be bound to a master
*/
#define MAX_RTA_BINDINGS (MAX_RUP * RIO_HOSTS)
/*
** Unit types
*/
#define PC_RTA16 0x90000000
#define PC_RTA8 0xe0000000
#define TYPE_HOST 0
#define TYPE_RTA8 1
#define TYPE_RTA16 2
/*
** Flag values returned by functions
*/
#define RIO_FAIL -1
/*
** SysPort value for something that hasn't any ports
*/
#define NO_PORT 0xFFFFFFFF
/*
** Unit ID Of all hosts
*/
#define HOST_ID 0
/*
** Break bytes into nybles
*/
#define LONYBLE(X) ((X) & 0xF)
#define HINYBLE(X) (((X)>>4) & 0xF)
/*
** Flag values passed into some functions
*/
#define DONT_SLEEP 0
#define OK_TO_SLEEP 1
#define DONT_PRINT 1
#define DO_PRINT 0
#define PRINT_TO_LOG_CONS 0
#define PRINT_TO_CONS 1
#define PRINT_TO_LOG 2
/*
** Timeout has trouble with times of less than 3 ticks...
*/
#define MIN_TIMEOUT 3
/*
** Generally useful constants
*/
#define HUNDRED_MS ((HZ/10)?(HZ/10):1)
#define ONE_MEG 0x100000
#define SIXTY_FOUR_K 0x10000
#define RIO_AT_MEM_SIZE SIXTY_FOUR_K
#define RIO_EISA_MEM_SIZE SIXTY_FOUR_K
#define RIO_MCA_MEM_SIZE SIXTY_FOUR_K
#define COOK_WELL 0
#define COOK_MEDIUM 1
#define COOK_RAW 2
/*
** Pointer manipulation stuff
** RIO_PTR takes hostp->Caddr and the offset into the DP RAM area
** and produces a UNIX caddr_t (pointer) to the object
** RIO_OBJ takes hostp->Caddr and a UNIX pointer to an object and
** returns the offset into the DP RAM area.
*/
#define RIO_PTR(C,O) (((unsigned char __iomem *)(C))+(0xFFFF&(O)))
#define RIO_OFF(C,O) ((unsigned char __iomem *)(O)-(unsigned char __iomem *)(C))
/*
** How to convert from various different device number formats:
** DEV is a dev number, as passed to open, close etc - NOT a minor
** number!
**/
#define RIO_MODEM_MASK 0x1FF
#define RIO_MODEM_BIT 0x200
#define RIO_UNMODEM(DEV) (MINOR(DEV) & RIO_MODEM_MASK)
#define RIO_ISMODEM(DEV) (MINOR(DEV) & RIO_MODEM_BIT)
#define RIO_PORT(DEV,FIRST_MAJ) ( (MAJOR(DEV) - FIRST_MAJ) * PORTS_PER_HOST) \
+ MINOR(DEV)
#define CSUM(pkt_ptr) (((u16 *)(pkt_ptr))[0] + ((u16 *)(pkt_ptr))[1] + \
((u16 *)(pkt_ptr))[2] + ((u16 *)(pkt_ptr))[3] + \
((u16 *)(pkt_ptr))[4] + ((u16 *)(pkt_ptr))[5] + \
((u16 *)(pkt_ptr))[6] + ((u16 *)(pkt_ptr))[7] + \
((u16 *)(pkt_ptr))[8] + ((u16 *)(pkt_ptr))[9] )
#define RIO_LINK_ENABLE 0x80FF /* FF is a hack, mainly for Mips, to */
/* prevent a really stupid race condition. */
#define NOT_INITIALISED 0
#define INITIALISED 1
#define NOT_POLLING 0
#define POLLING 1
#define NOT_CHANGED 0
#define CHANGED 1
#define NOT_INUSE 0
#define DISCONNECT 0
#define CONNECT 1
/* ------ Control Codes ------ */
#define CONTROL '^'
#define IFOAD ( CONTROL + 1 )
#define IDENTIFY ( CONTROL + 2 )
#define ZOMBIE ( CONTROL + 3 )
#define UFOAD ( CONTROL + 4 )
#define IWAIT ( CONTROL + 5 )
#define IFOAD_MAGIC 0xF0AD /* of course */
#define ZOMBIE_MAGIC (~0xDEAD) /* not dead -> zombie */
#define UFOAD_MAGIC 0xD1E /* kill-your-neighbour */
#define IWAIT_MAGIC 0xB1DE /* Bide your time */
/* ------ Error Codes ------ */
#define E_NO_ERROR ((ushort) 0)
/* ------ Free Lists ------ */
struct rio_free_list {
u16 next;
u16 prev;
};
/* NULL for card side linked lists */
#define TPNULL ((ushort)(0x8000))
/* We can add another packet to a transmit queue if the packet pointer pointed
* to by the TxAdd pointer has PKT_IN_USE clear in its address. */
#define PKT_IN_USE 0x1
/* ------ Topology ------ */
struct Top {
u8 Unit;
u8 Link;
};
#endif /* __rio_h__ */