http://www.ousob.com --- Legacy Redefined OuSob - File: /wwwroot/clipx/usr/include/linux/stallion.h

/*****************************************************************************/ /* * stallion.h -- stallion multiport serial driver. * * Copyright (C) 1996-1998 Stallion Technologies * Copyright (C) 1994-1996 Greg Ungerer. * * 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. */ /*****************************************************************************/ #ifndef _STALLION_H #define _STALLION_H /*****************************************************************************/ /* * Define important driver constants here. */ #define STL_MAXBRDS 4 #define STL_MAXPANELS 4 #define STL_MAXBANKS 8 #define STL_PORTSPERPANEL 16 #define STL_MAXPORTS 64 #define STL_MAXDEVS (STL_MAXBRDS * STL_MAXPORTS) /* * Define a set of structures to hold all the board/panel/port info * for our ports. These will be dynamically allocated as required. */ /* * Define a ring queue structure for each port. This will hold the * TX data waiting to be output. Characters are fed into this buffer * from the line discipline (or even direct from user space!) and * then fed into the UARTs during interrupts. Will use a classic ring * queue here for this. The good thing about this type of ring queue * is that the head and tail pointers can be updated without interrupt * protection - since "write" code only needs to change the head, and * interrupt code only needs to change the tail. */ typedef struct { char *buf; char *head; char *tail; } stlrq_t; /* * Port, panel and board structures to hold status info about each. * The board structure contains pointers to structures for each panel * connected to it, and in turn each panel structure contains pointers * for each port structure for each port on that panel. Note that * the port structure also contains the board and panel number that it * is associated with, this makes it (fairly) easy to get back to the * board/panel info for a port. */ typedef struct stlport { unsigned long magic; int portnr; int panelnr; int brdnr; int ioaddr; int uartaddr; int pagenr; long istate; int flags; int baud_base; int custom_divisor; int close_delay; int closing_wait; int refcount; int openwaitcnt; int brklen; unsigned int sigs; unsigned int rxignoremsk; unsigned int rxmarkmsk; unsigned int imr; unsigned int crenable; unsigned long clk; unsigned long hwid; void *uartp; struct tty_struct *tty; wait_queue_head_t open_wait; wait_queue_head_t close_wait; struct work_struct tqueue; comstats_t stats; stlrq_t tx; } stlport_t; typedef struct stlpanel { unsigned long magic; int panelnr; int brdnr; int pagenr; int nrports; int iobase; void *uartp; void (*isr)(struct stlpanel *panelp, unsigned int iobase); unsigned int hwid; unsigned int ackmask; stlport_t *ports[STL_PORTSPERPANEL]; } stlpanel_t; typedef struct stlbrd { unsigned long magic; int brdnr; int brdtype; int state; int nrpanels; int nrports; int nrbnks; int irq; int irqtype; int (*isr)(struct stlbrd *brdp); unsigned int ioaddr1; unsigned int ioaddr2; unsigned int iosize1; unsigned int iosize2; unsigned int iostatus; unsigned int ioctrl; unsigned int ioctrlval; unsigned int hwid; unsigned long clk; unsigned int bnkpageaddr[STL_MAXBANKS]; unsigned int bnkstataddr[STL_MAXBANKS]; stlpanel_t *bnk2panel[STL_MAXBANKS]; stlpanel_t *panels[STL_MAXPANELS]; } stlbrd_t; /* * Define MAGIC numbers used for above structures. */ #define STL_PORTMAGIC 0x5a7182c9 #define STL_PANELMAGIC 0x7ef621a1 #define STL_BOARDMAGIC 0xa2267f52 /*****************************************************************************/ #endif