kopia lustrzana https://gitlab.com/sane-project/backends
Added functions sanei_pp_set_datadir() and sanei_pp_uses_directio().
Gerhard Jaeger
rodzic
d18ff15df9
commit
0b224ac076
147
sanei/sanei_pp.c
147
sanei/sanei_pp.c
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@ -1,6 +1,7 @@
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/* sane - Scanner Access Now Easy.
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* Copyright (C) 2003 Gerhard Jaeger <gerhard@gjaeger.de>
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* based work done by Eisinger <jochen.eisinger@gmx.net>
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* also parts from libieee1284 by Tim Waugh <tim@cyberelk.net>
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* This file is part of the SANE package.
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*
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* This program is free software; you can redistribute it and/or
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@ -66,10 +67,10 @@
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#endif
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/* uncomment this to have some parameter checks on in/out functions,
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* note that this will slow down the calls
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* note: that this will slow down the calls
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*/
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#if 0
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# define _PARANOIA
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# define _PARANOIA
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#endif
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#ifdef HAVE_UNISTD_H
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@ -154,13 +155,15 @@ typedef struct {
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#ifndef HAVE_LIBIEEE1284
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const char name[6];
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u_long base; /* i/o base address */
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u_long base; /**< i/o base address */
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u_char ctrl; /**< for restoring CTRL register */
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u_char ecp_ctrl; /**< for restoring ECP-CTRL register */
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#endif
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u_int in_use; /* port in use? */
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u_int claimed; /* port claimed? */
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u_int in_use; /**< port in use? */
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u_int claimed; /**< port claimed? */
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int caps; /* port capabilities */
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int caps; /**< port capabilities */
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} PortRec, *Port;
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@ -188,9 +191,9 @@ enum ieee1284_capabilities
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};
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static PortRec port[] = {
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{ "0x378", 0x378, SANE_FALSE, SANE_FALSE, 0 },
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{ "0x278", 0x278, SANE_FALSE, SANE_FALSE, 0 },
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{ "0x3BC", 0x3BC, SANE_FALSE, SANE_FALSE, 0 }
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{ "0x378", 0x378, 0, 0, SANE_FALSE, SANE_FALSE, 0 },
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{ "0x278", 0x278, 0, 0, SANE_FALSE, SANE_FALSE, 0 },
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{ "0x3BC", 0x3BC, 0, 0, SANE_FALSE, SANE_FALSE, 0 }
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};
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#endif
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@ -199,20 +202,20 @@ static PortRec port[] = {
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*/
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#if defined(HAVE_LIBIEEE1284)
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#define inbyte0(fd) ieee1284_read_data(pplist.portv[fd]);
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#define inbyte1(fd) (ieee1284_read_status(pplist.portv[fd]) ^ S1284_INVERTED)
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#define inbyte2(fd) (ieee1284_read_control(pplist.portv[fd]) ^ C1284_INVERTED)
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static inline u_char inbyte4(int fd)
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#define inb_data(fd) ieee1284_read_data(pplist.portv[fd]);
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#define inb_stat(fd) (ieee1284_read_status(pplist.portv[fd]) ^ S1284_INVERTED)
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#define inb_ctrl(fd) (ieee1284_read_control(pplist.portv[fd]) ^ C1284_INVERTED)
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static inline u_char inb_eppdata(int fd)
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{
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u_char val;
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ieee1284_epp_read_data(pplist.portv[fd], 0, (char *)&val, 1);
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return val;
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}
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#define outbyte0(fd,val) ieee1284_write_data(pplist.portv[fd], val)
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#define outbyte2(fd,val) ieee1284_write_control(pplist.portv[fd], \
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#define outbyte0(fd,val) ieee1284_write_data(pplist.portv[fd], val)
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#define outbyte2(fd,val) ieee1284_write_control(pplist.portv[fd], \
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(val) ^ C1284_INVERTED)
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static inline void outbyte3(int fd, u_char val)
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{
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ieee1284_epp_write_addr (pplist.portv[fd], 0, (char *)&val, 1);
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@ -220,10 +223,10 @@ static inline void outbyte3(int fd, u_char val)
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#else
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#define inbyte0(fd) inb(port[fd].base)
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#define inbyte1(fd) inb(port[fd].base + 1)
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#define inbyte2(fd) inb(port[fd].base + 2)
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#define inbyte4(fd) inb(port[fd].base + 4)
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#define inb_data(fd) inb(port[fd].base)
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#define inb_stat(fd) inb(port[fd].base + 1)
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#define inb_ctrl(fd) inb(port[fd].base + 2)
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#define inb_eppdata(fd) inb(port[fd].base + 4)
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#define outbyte0(fd,val) outb(val, port[fd].base)
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#define outbyte1(fd,val) outb(val, port[fd].base + 1)
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@ -369,13 +372,12 @@ pp_probe( int handle )
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int retv = 0;
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DBG( 4, "pp_probe: port 0x%04lx\n", port[handle].base );
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_SET_IOPL();
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/* SPP check */
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outbyte402( handle, 0x0c );
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outbyte2( handle, 0x0c );
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outbyte0( handle, 0x55 );
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a = inbyte0( handle );
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a = inb_data( handle );
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if( a != 0x55 ) {
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DBG( 4, "pp_probe: nothing supported :-(\n" );
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return retv;
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@ -443,10 +445,10 @@ no_ecp:
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outbyte0( handle, 0x55 );
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outbyte2( handle, 0x0c );
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a = inbyte0( handle );
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a = inb_data( handle );
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outbyte0( handle, 0x55 );
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outbyte2( handle, 0x2c );
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b = inbyte0( handle );
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b = inb_data( handle );
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if( a != b ) {
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DBG( 4, "pp_probe: PS/2 bidirectional port present\n");
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retv += CAP1284_BYTE;
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@ -462,10 +464,10 @@ no_ecp:
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for( i = 0x00; i < 0x80; i += 0x20 ) {
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outbyte402( handle, i );
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a = inbyte1( handle );
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a = inb_stat( handle );
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outbyte1( handle, a );
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outbyte1( handle, (a & 0xfe));
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a = inbyte1( handle );
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a = inb_stat( handle );
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if (!(a & 0x01)) {
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DBG( 2, "pp_probe: "
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"Failed Intel bug check. (Phony EPP in ECP)\n" );
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@ -477,10 +479,10 @@ no_ecp:
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}
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#endif
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a = inbyte1( handle );
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a = inb_stat( handle );
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outbyte1( handle, a);
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outbyte1(handle, (a & 0xfe));
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a = inbyte1( handle );
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a = inb_stat( handle );
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if (a & 0x01) {
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outbyte402( handle, 0x0c );
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@ -489,8 +491,8 @@ no_ecp:
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}
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outbyte2( handle, 0x04 );
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inbyte4 ( handle );
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a = inbyte1( handle );
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inb_eppdata ( handle );
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a = inb_stat( handle );
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outbyte1( handle, a );
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outbyte1( handle, (a & 0xfe));
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@ -503,8 +505,8 @@ no_ecp:
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* EPP 1.9 with software direction
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*/
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outbyte2( handle, 0x24 );
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inbyte4 ( handle );
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a = inbyte1( handle );
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inb_eppdata ( handle );
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a = inb_stat( handle );
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outbyte1( handle, a );
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outbyte1( handle, (a & 0xfe));
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if( a & 0x01 ) {
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@ -764,12 +766,18 @@ pp_open( const char *dev, SANE_Status * status )
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return -1;
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}
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/* save the CTRL register settings */
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#ifdef HAVE_IOPL
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_SET_IOPL();
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port[i].ecp_ctrl = inbyte402(i);
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port[i].ctrl = inb_ctrl(i);
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#endif
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/* check the capabilities of this port */
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port[i].caps = pp_probe( i );
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#endif
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port[i].caps = pp_showcaps( port[i].caps );
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DBG( 3, "pp_open: device `%s` opened...\n", dev );
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*status = SANE_STATUS_GOOD;
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return i;
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@ -787,6 +795,11 @@ pp_close( int fd, SANE_Status *status )
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DBG( 6, "pp_close: this is port '%s'\n", pplist.portv[fd]->name );
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#else
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DBG( 6, "pp_close: this is port 0x%03lx\n", port[fd].base );
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DBG( 6, "pp_close: restoring the CTRL registers\n" );
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outbyte2( fd, port[fd].ctrl );
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#ifdef HAVE_IOPL
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outbyte402( fd, port[fd].ecp_ctrl );
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#endif
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#endif
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if( port[fd].claimed == SANE_TRUE ) {
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@ -849,8 +862,6 @@ sanei_pp_open( const char *dev, int *fd )
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DBG( 6, "sanei_pp_open: connected to device using fd %u\n", *fd );
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/* FIXME: mode checks... */
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return SANE_STATUS_GOOD;
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}
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@ -1009,7 +1020,7 @@ sanei_pp_inb_data( int fd )
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return SANE_STATUS_INVAL;
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}
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#endif
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return inbyte0( fd );
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return inb_data( fd );
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}
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SANE_Byte
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@ -1027,7 +1038,7 @@ sanei_pp_inb_stat( int fd )
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return SANE_STATUS_INVAL;
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}
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#endif
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return inbyte1( fd );
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return inb_stat( fd );
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}
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SANE_Byte
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@ -1044,7 +1055,7 @@ sanei_pp_inb_ctrl( int fd )
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return SANE_STATUS_INVAL;
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}
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#endif
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return inbyte2( fd );
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return inb_ctrl( fd );
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}
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SANE_Byte
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@ -1062,18 +1073,18 @@ sanei_pp_inb_epp( int fd )
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return SANE_STATUS_INVAL;
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}
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#endif
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return inbyte4( fd );
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return inb_eppdata( fd );
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}
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SANE_Status
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sanei_pp_getmode( int fd, int *mode )
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sanei_pp_getmodes( int fd, int *mode )
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{
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#if defined(HAVE_LIBIEEE1284)
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if ((fd < 0) || (fd >= pplist.portc)) {
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#else
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if ((fd < 0) || (fd >= NELEMS (port))) {
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#endif
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DBG( 2, "sanei_pp_getmode: invalid fd %d\n", fd );
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DBG( 2, "sanei_pp_getmodes: invalid fd %d\n", fd );
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return SANE_STATUS_INVAL;
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}
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@ -1102,6 +1113,37 @@ sanei_pp_udelay( unsigned long usec )
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(now.tv_sec == deadline.tv_sec && now.tv_usec < deadline.tv_usec));
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}
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SANE_Status
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sanei_pp_set_datadir( int fd, int rev )
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{
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#if defined(HAVE_LIBIEEE1284)
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if ((fd < 0) || (fd >= pplist.portc)) {
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#else
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if ((fd < 0) || (fd >= NELEMS (port))) {
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#endif
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DBG( 2, "sanei_pp_setdir: invalid fd %d\n", fd );
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return SANE_STATUS_INVAL;
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}
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#if defined(HAVE_LIBIEEE1284)
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ieee1284_data_dir( pplist.portv[fd], rev );
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#else
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_VAR_NOT_USED( rev );
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#endif
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return SANE_STATUS_GOOD;
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}
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SANE_Bool
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sanei_pp_uses_directio( void )
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{
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#if defined(HAVE_LIBIEEE1284)
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return SANE_FALSE;
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#else
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return SANE_TRUE;
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#endif
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}
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#else /* !HAVE_IOPERM */
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SANE_Status
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@ -1209,11 +1251,11 @@ SANE_Byte sanei_pp_inb_epp ( int fd )
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}
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SANE_Status
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sanei_pp_getmode( int fd, int *mode )
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sanei_pp_getmodes( int fd, int *mode )
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{
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_VAR_NOT_USED( mode );
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DBG( 4, "sanei_pp_getmode: called for fd %d\n", fd );
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DBG( 2, "sanei_pp_getmode: fd %d is invalid\n", fd );
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DBG( 4, "sanei_pp_getmodes: called for fd %d\n", fd );
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DBG( 1, "sanei_pp_getmodes: fd %d is invalid\n", fd );
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return SANE_STATUS_INVAL;
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}
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@ -1224,4 +1266,21 @@ sanei_pp_udelay( unsigned long usec )
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_VAR_NOT_USED( pp_thresh );
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DBG( 2, "sanei_pp_udelay: not supported\n" );
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}
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SANE_Status
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sanei_pp_set_datadir( int fd, int rev )
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{
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_VAR_NOT_USED( rev );
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DBG( 4, "sanei_pp_setdir: called for fd %d\n", fd );
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DBG( 1, "sanei_pp_setdir: fd %d is invalid\n", fd );
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return SANE_STATUS_INVAL;
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}
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SANE_Bool
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sanei_pp_uses_directio( void )
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{
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DBG( 1, "sanei_pp_uses_directio: not supported\n" );
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return SANE_FALSE;
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}
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#endif /* !HAVE_IOPERM */
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