| /* |
| ** ----------------------------------------------------------------------------- |
| ** |
| ** 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 *)(C))+(0xFFFF&(O))) |
| #define RIO_OFF(C,O) ((long)(O)-(long)(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__ */ |