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https://github.com/AuxXxilium/linux_dsm_epyc7002.git
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131 lines
3.6 KiB
C
131 lines
3.6 KiB
C
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/*****************************************************************************/
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/*
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* istallion.h -- stallion intelligent multiport serial driver.
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*
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* Copyright (C) 1996-1998 Stallion Technologies
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* Copyright (C) 1994-1996 Greg Ungerer.
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
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*/
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/*****************************************************************************/
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#ifndef _ISTALLION_H
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#define _ISTALLION_H
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/*****************************************************************************/
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/*
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* Define important driver constants here.
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*/
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#define STL_MAXBRDS 4
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#define STL_MAXPANELS 4
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#define STL_MAXPORTS 64
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#define STL_MAXCHANS (STL_MAXPORTS + 1)
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#define STL_MAXDEVS (STL_MAXBRDS * STL_MAXPORTS)
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/*
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* Define a set of structures to hold all the board/panel/port info
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* for our ports. These will be dynamically allocated as required at
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* driver initialization time.
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*/
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/*
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* Port and board structures to hold status info about each object.
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* The board structure contains pointers to structures for each port
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* connected to it. Panels are not distinguished here, since
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* communication with the slave board will always be on a per port
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* basis.
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*/
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typedef struct {
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unsigned long magic;
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int portnr;
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int panelnr;
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int brdnr;
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unsigned long state;
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int devnr;
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int flags;
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int baud_base;
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int custom_divisor;
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int close_delay;
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int closing_wait;
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int refcount;
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int openwaitcnt;
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int rc;
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int argsize;
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void *argp;
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unsigned int rxmarkmsk;
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struct tty_struct *tty;
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wait_queue_head_t open_wait;
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wait_queue_head_t close_wait;
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wait_queue_head_t raw_wait;
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struct work_struct tqhangup;
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asysigs_t asig;
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unsigned long addr;
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unsigned long rxoffset;
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unsigned long txoffset;
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unsigned long sigs;
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unsigned long pflag;
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unsigned int rxsize;
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unsigned int txsize;
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unsigned char reqbit;
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unsigned char portidx;
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unsigned char portbit;
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} stliport_t;
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/*
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* Use a structure of function pointers to do board level operations.
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* These include, enable/disable, paging shared memory, interrupting, etc.
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*/
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typedef struct stlibrd {
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unsigned long magic;
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int brdnr;
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int brdtype;
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int state;
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int nrpanels;
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int nrports;
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int nrdevs;
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unsigned int iobase;
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int iosize;
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unsigned long memaddr;
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void *membase;
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int memsize;
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int pagesize;
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int hostoffset;
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int slaveoffset;
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int bitsize;
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int enabval;
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int panels[STL_MAXPANELS];
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int panelids[STL_MAXPANELS];
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void (*init)(struct stlibrd *brdp);
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void (*enable)(struct stlibrd *brdp);
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void (*reenable)(struct stlibrd *brdp);
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void (*disable)(struct stlibrd *brdp);
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char *(*getmemptr)(struct stlibrd *brdp, unsigned long offset, int line);
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void (*intr)(struct stlibrd *brdp);
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void (*reset)(struct stlibrd *brdp);
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stliport_t *ports[STL_MAXPORTS];
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} stlibrd_t;
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/*
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* Define MAGIC numbers used for above structures.
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*/
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#define STLI_PORTMAGIC 0xe671c7a1
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#define STLI_BOARDMAGIC 0x4bc6c825
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/*****************************************************************************/
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#endif
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