diff options
author | Jörg Frings-Fürst <debian@jff.email> | 2023-02-12 17:36:29 +0100 |
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committer | Jörg Frings-Fürst <debian@jff.email> | 2023-02-12 17:36:29 +0100 |
commit | 882fd010527b8d8823f09e19edbed3746265fa08 (patch) | |
tree | be5c7cace6697afc753c152d13ad5145d0884a42 /sanei/sanei_directio.c | |
parent | 527bedac30eb120915718eb7997e6dacd583512e (diff) | |
parent | e0d94cf4d39395df1e2c6bb4d967200298c13881 (diff) |
Merge branch 'feature/upstream' into develop
Diffstat (limited to 'sanei/sanei_directio.c')
-rw-r--r-- | sanei/sanei_directio.c | 367 |
1 files changed, 367 insertions, 0 deletions
diff --git a/sanei/sanei_directio.c b/sanei/sanei_directio.c new file mode 100644 index 0000000..c95bb97 --- /dev/null +++ b/sanei/sanei_directio.c @@ -0,0 +1,367 @@ +/*************************************************/ +/* here we define sanei_inb/sanei_outb based on */ +/* OS dependent inb/outb definitions */ +/* SANE_INB is defined whenever a valid inb/outb */ +/* definition has been found */ +/*************************************************/ + +#include "../include/sane/config.h" + +#include <errno.h> +#include <stdlib.h> +#include <string.h> + +#include <sys/types.h> + +#include "../include/sane/sane.h" +#include "../include/sane/sanei.h" +#include "../include/sane/sanei_directio.h" + +#ifdef ENABLE_PARPORT_DIRECTIO + +#define TEST_SANE_INB(val) ( SANE_INB == val ) + +#if ( TEST_SANE_INB(1) ) /* OS/2 EMX case */ +int +sanei_ioperm (int start, int length, int enable) +{ + if (enable) + return _portaccess (port, port + length - 1); + return 0; +} + +unsigned char +sanei_inb (unsigned int port) +{ + return _inp8 (port) & 0xFF; +} + +void +sanei_outb (unsigned int port, unsigned char value) +{ + _outp8 (port, value); +} + +void +sanei_insb (unsigned int port, unsigned char *addr, unsigned long count) +{ + _inps8 (port, (unsigned char *) addr, count); +} + +void +sanei_insl (unsigned int port, unsigned char *addr, unsigned long count) +{ + _inps32 (port, (unsigned long *) addr, count); +} + +void +sanei_outsb (unsigned int port, const unsigned char *addr, + unsigned long count) +{ + _outps8 (port, (unsigned char *) addr, count); +} + +void +sanei_outsl (unsigned int port, const unsigned char *addr, + unsigned long count) +{ + _outps32 (port, (unsigned long *) addr, count); +} +#endif /* OS/2 EMX case */ + + + +#if ( TEST_SANE_INB(2) ) /* FreeBSD case */ +int +sanei_ioperm (int start, int length, int enable) +{ +#ifdef HAVE_I386_SET_IOPERM + return i386_set_ioperm (start, length, enable); +#else + int fd = 0; + + /* makes compilers happy */ + start = length + enable; + fd = open ("/dev/io", O_RDONLY); + if (fd > 0) + return 0; + return -1; +#endif +} + +unsigned char +sanei_inb (unsigned int port) +{ + return inb (port); +} + +void +sanei_outb (unsigned int port, unsigned char value) +{ + outb (port, value); +} + +void +sanei_insb (unsigned int port, unsigned char *addr, unsigned long count) +{ + insb (port, addr, count); +} + +void +sanei_insl (unsigned int port, unsigned char *addr, unsigned long count) +{ + insl (port, addr, count); +} + +void +sanei_outsb (unsigned int port, const unsigned char *addr, + unsigned long count) +{ + outsb (port, addr, count); +} + +void +sanei_outsl (unsigned int port, const unsigned char *addr, + unsigned long count) +{ + outsl (port, addr, count); +} +#endif /* FreeBSD case */ + + +/* linux GCC on i386 */ +#if ( TEST_SANE_INB(3) ) /* FreeBSD case */ + +int +sanei_ioperm (int start, int length, int enable) +{ +#ifdef HAVE_IOPERM + return ioperm (start, length, enable); +#else + /* linux without ioperm ? hum ... */ + /* makes compilers happy */ + start = length + enable; + return 0; +#endif +} + +unsigned char +sanei_inb (unsigned int port) +{ + return inb (port); +} + +void +sanei_outb (unsigned int port, unsigned char value) +{ + outb (value, port); +} + +void +sanei_insb (unsigned int port, unsigned char *addr, unsigned long count) +{ + insb (port, addr, count); +} + +void +sanei_insl (unsigned int port, unsigned char *addr, unsigned long count) +{ + insl (port, addr, count); +} + +void +sanei_outsb (unsigned int port, const unsigned char *addr, + unsigned long count) +{ + outsb (port, addr, count); +} + +void +sanei_outsl (unsigned int port, const unsigned char *addr, + unsigned long count) +{ + /* oddly, 32 bit I/O are done with outsw instead of the expected outsl */ + outsw (port, addr, count); +} +#endif /* linux GCC on i386 */ + + +/* linux GCC non i386 */ +#if ( TEST_SANE_INB(4) ) +int +sanei_ioperm (int start, int length, int enable) +{ +#ifdef HAVE_IOPERM + return ioperm (start, length, enable); +#else + /* linux without ioperm ? hum ... */ + /* makes compilers happy */ + start = length + enable; + return 0; +#endif +} + +unsigned char +sanei_inb (unsigned int port) +{ + return inb (port); +} + +void +sanei_outb (unsigned int port, unsigned char value) +{ + outb (value, port); +} + +void +sanei_insb (unsigned int port, unsigned char *addr, unsigned long count) +{ + unsigned int i; + + for (i = 0; i < count; i++) + addr[i] = sanei_inb (port); +} + +void +sanei_insl (unsigned int port, unsigned char *addr, unsigned long count) +{ + unsigned int i; + + for (i = 0; i < count * 4; i++) + addr[i] = sanei_inb (port); +} + +void +sanei_outsb (unsigned int port, const unsigned char *addr, + unsigned long count) +{ + unsigned int i; + + for (i = 0; i < count; i++) + sanei_outb (port, addr[i]); +} + +void +sanei_outsl (unsigned int port, const unsigned char *addr, + unsigned long count) +{ + unsigned int i; + + for (i = 0; i < count * 4; i++) + sanei_outb (port, addr[i]); +} +#endif /* linux GCC non i386 */ + + +/* ICC on i386 */ +#if ( TEST_SANE_INB(5) ) +int +sanei_ioperm (int start, int length, int enable) +{ +#ifdef HAVE_IOPERM + return ioperm (start, length, enable); +#else + /* ICC without ioperm() ... */ + /* makes compilers happy */ + start = length + enable; + return 0; +#endif +} +unsigned char +sanei_inb (unsigned int port) +{ + unsigned char ret; + + __asm__ __volatile__ ("inb %%dx,%%al":"=a" (ret):"d" ((u_int) port)); + return ret; +} + +void +sanei_outb (unsigned int port, unsigned char value) +{ + __asm__ __volatile__ ("outb %%al,%%dx"::"a" (value), "d" ((u_int) port)); +} + +void +sanei_insb (unsigned int port, void *addr, unsigned long count) +{ + __asm__ __volatile__ ("rep ; insb":"=D" (addr), "=c" (count):"d" (port), + "0" (addr), "1" (count)); +} + +void +sanei_insl (unsigned int port, void *addr, unsigned long count) +{ + __asm__ __volatile__ ("rep ; insl":"=D" (addr), "=c" (count):"d" (port), + "0" (addr), "1" (count)); +} + +void +sanei_outsb (unsigned int port, const void *addr, unsigned long count) +{ + __asm__ __volatile__ ("rep ; outsb":"=S" (addr), "=c" (count):"d" (port), + "0" (addr), "1" (count)); +} + +void +sanei_outsl (unsigned int port, const void *addr, unsigned long count) +{ + __asm__ __volatile__ ("rep ; outsl":"=S" (addr), "=c" (count):"d" (port), + "0" (addr), "1" (count)); +} + +#endif /* ICC on i386 */ + +#endif /* ENABLE_PARPORT_DIRECTIO */ +/* + * no inb/outb without --enable-parport-directio * + */ +#ifndef ENABLE_PARPORT_DIRECTIO +int +sanei_ioperm (__sane_unused__ int start, __sane_unused__ int length, + __sane_unused__ int enable) +{ + /* returns failure */ + return -1; +} + +unsigned char +sanei_inb (__sane_unused__ unsigned int port) +{ + return 255; +} + +void +sanei_outb (__sane_unused__ unsigned int port, + __sane_unused__ unsigned char value) +{ +} + +void +sanei_insb (__sane_unused__ unsigned int port, + __sane_unused__ unsigned char *addr, + __sane_unused__ unsigned long count) +{ +} + +void +sanei_insl (__sane_unused__ unsigned int port, + __sane_unused__ unsigned char *addr, + __sane_unused__ unsigned long count) +{ +} + +void +sanei_outsb (__sane_unused__ unsigned int port, + __sane_unused__ const unsigned char *addr, + __sane_unused__ unsigned long count) +{ +} + +void +sanei_outsl (__sane_unused__ unsigned int port, + __sane_unused__ const unsigned char *addr, + __sane_unused__ unsigned long count) +{ +} +#endif /* ENABLE_PARPORT_DIRECTIO is not defined */ |