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quickdev16/packages/ucon64-2.0.0-src/libieee1284.diff
optixx d777415549 o cleanup
2009-09-23 16:00:04 +02:00

373 lines
12 KiB
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--- parallel.c 2004-09-02 19:09:23.000000000 +0200
+++ parallel.c.libieee1284 2004-09-04 03:07:38.000000000 +0200
@@ -25,6 +25,11 @@
#include "config.h"
#endif
+#define USE_LIBIEEE1284
+#if defined USE_LIBIEEE1284 && defined USE_PPDEV
+#undef USE_PPDEV
+#endif
+
#ifdef USE_PARALLEL
#include <stdio.h>
@@ -40,7 +45,9 @@
#include <sys/time.h>
#include <linux/ppdev.h>
#include <linux/parport.h>
-#elif defined __linux__ && defined __GLIBC__ // USE_PPDEV
+#elif defined USE_LIBIEEE1284 // USE_PPDEV
+#include <ieee1284.h>
+#elif defined __linux__ && defined __GLIBC__ // USE_LIBIEEE1284
#ifdef HAVE_SYS_IO_H // necessary for some Linux/PPC configs
#include <sys/io.h> // ioperm() (glibc), in{b, w}(), out{b, w}()
#else
@@ -78,8 +85,12 @@
#include "getopt2.h"
#include "ucon64.h"
+#if defined USE_LIBIEEE1284 && defined USE_PPDEV
+#undef USE_PPDEV
+#endif
+
-#if defined USE_PPDEV || defined __BEOS__ || defined __FreeBSD__ || defined AMIGA
+#if defined USE_PPDEV || defined __BEOS__ || defined __FreeBSD__ || defined AMIGA || defined USE_LIBIEEE1284
static void close_io_port (void);
#endif
#if defined __i386__ || defined __x86_64__ // GCC && x86
@@ -92,8 +103,12 @@
#if defined USE_PPDEV || defined __BEOS__ || defined __FreeBSD__
static int parport_io_fd;
-#ifdef USE_PPDEV
+#endif
+#if defined USE_PPDEV || defined USE_LIBIEEE1284
static enum { FORWARD = 0, REVERSE } parport_io_direction;
+#ifdef USE_LIBIEEE1284
+struct parport *libieee1284_port;
+#else
static int parport_io_mode;
#endif
#endif
@@ -113,7 +128,7 @@
#endif
-#if defined _WIN32 || defined __CYGWIN__
+#if (defined _WIN32 || defined __CYGWIN__) && !defined USE_LIBIEEE1284
#define NODRIVER_MSG "ERROR: No (working) I/O port driver. Please see the FAQ, question 4\n"
@@ -172,7 +187,7 @@
static void (*output_word) (unsigned short, unsigned short) = outpw_func;
#endif
-#endif // _WIN32 || __CYGWIN__
+#endif // (_WIN32 || __CYGWIN__) && !USE_LIBIEEE1284
#if defined __i386__ || defined __x86_64__ // GCC && x86
@@ -275,6 +290,43 @@
exit (1);
}
return byte;
+#elif defined USE_LIBIEEE1284
+ int ppreg = port - ucon64.parport;
+ unsigned char byte;
+
+ switch (ppreg)
+ {
+ case 0: // data
+ if (parport_io_direction == FORWARD) // dir is forward?
+ {
+ parport_io_direction = REVERSE; // change it to reverse
+ ieee1284_data_dir (libieee1284_port, parport_io_direction);
+ }
+ byte = (unsigned char) ieee1284_read_data (libieee1284_port);
+ break;
+ case 1: // status
+ byte = (unsigned char) (ieee1284_read_status (libieee1284_port) ^ S1284_INVERTED);
+ break;
+ case 2: // control
+ byte = (unsigned char) (ieee1284_read_control (libieee1284_port) ^ C1284_INVERTED);
+ break;
+ case 3: // EPP/ECP address
+ ieee1284_epp_read_addr (libieee1284_port, F1284_NONBLOCK, (char *) &byte, 1);
+ break;
+ case 4: // EPP/ECP data
+ ieee1284_epp_read_data (libieee1284_port, F1284_NONBLOCK, (char *) &byte, 1);
+ break;
+ case 0x402: // ECP register
+ printf ("WARNING: Ignored read from ECP register, returning 0\n");
+ byte = 0;
+ break;
+ default:
+ fprintf (stderr,
+ "ERROR: inportb() tried to read from an unsupported port (0x%x)\n",
+ port);
+ exit (1);
+ }
+ return byte;
#elif defined __BEOS__
st_ioport_t temp;
@@ -358,6 +410,26 @@
exit (1);
}
return buf[0] | buf[1] << 8; // words are read in little endian format
+#elif defined USE_LIBIEEE1284
+ int ppreg = port - ucon64.parport;
+ unsigned char buf[2];
+
+ switch (ppreg)
+ {
+ case 3: // EPP/ECP address
+ ieee1284_epp_read_addr (libieee1284_port, F1284_NONBLOCK | F1284_FASTEPP, (char *) buf, 2);
+ break;
+ case 4: // EPP/ECP data
+ ieee1284_epp_read_data (libieee1284_port, F1284_NONBLOCK | F1284_FASTEPP, (char *) buf, 2);
+ break;
+ // the data, status, control and ECP registers should only be accessed in "8-bit mode"
+ default:
+ fprintf (stderr,
+ "ERROR: inportw() tried to read from an unsupported port (0x%x)\n",
+ port);
+ exit (1);
+ }
+ return buf[0] | buf[1] << 8; // words are read in little endian format
#elif defined __BEOS__
st_ioport_t temp;
@@ -434,6 +506,37 @@
port);
exit (1);
}
+#elif defined USE_LIBIEEE1284
+ int ppreg = port - ucon64.parport;
+
+ switch (ppreg)
+ {
+ case 0: // data
+ if (parport_io_direction == REVERSE) // dir is reverse?
+ {
+ parport_io_direction = FORWARD; // change it to forward
+ ieee1284_data_dir (libieee1284_port, parport_io_direction);
+ }
+ ieee1284_write_data (libieee1284_port, byte);
+ break;
+ case 2: // control
+ ieee1284_write_control (libieee1284_port, (unsigned char) (byte ^ C1284_INVERTED));
+ break;
+ case 3: // EPP/ECP address
+ ieee1284_epp_write_addr (libieee1284_port, F1284_NONBLOCK, (char *) &byte, 1);
+ break;
+ case 4: // EPP/ECP data
+ ieee1284_epp_write_data (libieee1284_port, F1284_NONBLOCK, (char *) &byte, 1);
+ break;
+ case 0x402: // ECP register
+ printf ("WARNING: Ignored write to ECP register\n");
+ break;
+ default:
+ fprintf (stderr,
+ "ERROR: outportb() tried to write to an unsupported port (0x%x)\n",
+ port);
+ exit (1);
+ }
#elif defined __BEOS__
st_ioport_t temp;
@@ -499,6 +602,28 @@
port);
exit (1);
}
+#elif defined USE_LIBIEEE1284
+ int ppreg = port - ucon64.parport;
+ unsigned char buf[2];
+
+ // words are written in little endian format
+ buf[0] = (unsigned char) word;
+ buf[1] = word >> 8;
+ switch (ppreg)
+ {
+ case 3: // EPP/ECP address
+ ieee1284_epp_write_addr (libieee1284_port, F1284_NONBLOCK | F1284_FASTEPP, (char *) buf, 2);
+ break;
+ case 4: // EPP/ECP data
+ ieee1284_epp_write_data (libieee1284_port, F1284_NONBLOCK | F1284_FASTEPP, (char *) buf, 2);
+ break;
+ // the data, control and ECP registers should only be accessed in "8-bit mode"
+ default:
+ fprintf (stderr,
+ "ERROR: outportw() tried to write to an unsupported port (0x%x)\n",
+ port);
+ exit (1);
+ }
#elif defined __BEOS__
st_ioport_t temp;
@@ -529,7 +654,7 @@
}
-#if (defined __i386__ || defined __x86_64__ || defined _WIN32) && !defined USE_PPDEV
+#if (defined __i386__ || defined __x86_64__ || defined _WIN32) && !defined USE_PPDEV && !defined USE_LIBIEEE1284
#define DETECT_MAX_CNT 1000
static int
parport_probe (unsigned int port)
@@ -557,6 +682,7 @@
#endif
+#ifndef USE_LIBIEEE1284
#ifdef _WIN32
static LONG
new_exception_filter (LPEXCEPTION_POINTERS exception_pointers)
@@ -584,6 +710,7 @@
return EXCEPTION_CONTINUE_SEARCH;
}
#endif
+#endif
int
@@ -637,6 +764,48 @@
parport_io_direction = FORWARD; // set forward direction as default
ioctl (parport_io_fd, PPDATADIR, &parport_io_direction);
+#elif defined USE_LIBIEEE1284
+ struct parport_list list;
+ int capabilities, ucon64_parport;
+
+ if (port == PARPORT_UNKNOWN)
+ port = 0;
+
+ if (ieee1284_find_ports (&list, 0) != E1284_OK)
+ {
+ fputs ("ERROR: Could not get port list\n", stderr);
+ exit (1);
+ }
+
+ if (port < list.portc)
+ libieee1284_port = list.portv[port];
+ else
+ {
+ fprintf (stderr, "ERROR: libieee1284 port %d not available\n", port);
+ exit (1);
+ }
+
+ if (ieee1284_open (libieee1284_port, F1284_EXCL, &capabilities) != E1284_OK)
+ {
+ fprintf (stderr, "ERROR: Could not open libieee1284 port %d\n", port);
+ exit (1);
+ }
+ // TODO: Handle ECP mode correctly
+ if (ucon64.parport_mode == UCON64_EPP || ucon64.parport_mode == UCON64_ECP)
+ if ((capabilities & (CAP1284_EPP | CAP1284_ECP)) == 0)
+ printf ("WARNING: EPP or ECP mode was requested, but not available\n");
+
+ ieee1284_free_ports (&list);
+
+ if (ieee1284_claim (libieee1284_port) != E1284_OK)
+ {
+ fprintf (stderr, "ERROR: Could not claim libieee1284 port %d\n", port);
+ ieee1284_close (libieee1284_port);
+ exit (1);
+ }
+
+ parport_io_direction = FORWARD;
+ ieee1284_data_dir (libieee1284_port, parport_io_direction);
#elif defined __BEOS__
parport_io_fd = open ("/dev/misc/ioport", O_RDWR | O_NONBLOCK);
if (parport_io_fd == -1)
@@ -710,16 +879,18 @@
}
#endif
-#if defined USE_PPDEV || defined __BEOS__ || defined __FreeBSD__
+#if defined USE_PPDEV || defined __BEOS__ || defined __FreeBSD__ || defined USE_LIBIEEE1284
if (register_func (close_io_port) == -1)
{
+#ifndef USE_LIBIEEE1284
close (parport_io_fd);
+#endif
fprintf (stderr, "ERROR: Could not register function with register_func()\n");
exit(1);
}
#endif
-#if defined __linux__ && (defined __i386__ || defined __x86_64__) && !defined USE_PPDEV
+#if defined __linux__ && (defined __i386__ || defined __x86_64__) && !defined USE_PPDEV && !defined USE_LIBIEEE1284
/*
Some code needs us to switch to the real uid and gid. However, other code
needs access to I/O ports other than the standard printer port registers.
@@ -751,7 +922,7 @@
}
#endif
-#if (defined __i386__ || defined __x86_64__ || defined _WIN32) && !defined USE_PPDEV
+#if (defined __i386__ || defined __x86_64__ || defined _WIN32) && !defined USE_PPDEV && !defined USE_LIBIEEE1284
#if defined _WIN32 || defined __CYGWIN__
/*
@@ -914,9 +1085,9 @@
exit (1);
}
}
-#endif // (__i386__ || __x86_64__ || _WIN32) && !USE_PPDEV
+#endif // (__i386__ || __x86_64__ || _WIN32) && !USE_PPDEV && !USE_LIBIEEE1284
-#ifdef USE_PPDEV
+#if defined USE_PPDEV || defined USE_LIBIEEE1284
// the following two calls need a valid value for ucon64.parport
ucon64_parport = ucon64.parport;
ucon64.parport = port;
@@ -924,7 +1095,7 @@
outportb ((unsigned short) (port + PARPORT_CONTROL),
(unsigned char) (inportb ((unsigned short) (port + PARPORT_CONTROL)) & 0x0f));
// bit 4 = 0 -> IRQ disable for ACK, bit 5-7 unused
-#ifdef USE_PPDEV
+#if defined USE_PPDEV || defined USE_LIBIEEE1284
ucon64.parport = ucon64_parport;
#endif
@@ -932,7 +1103,7 @@
}
-#if defined USE_PPDEV || defined __BEOS__ || defined __FreeBSD__ || defined AMIGA
+#if defined USE_PPDEV || defined __BEOS__ || defined __FreeBSD__ || defined AMIGA || defined USE_LIBIEEE1284
void
close_io_port (void)
{
@@ -947,6 +1118,9 @@
// it ppdev will do it for us...
ioctl (parport_io_fd, PPNEGOT, &parport_io_mode);
ioctl (parport_io_fd, PPRELEASE);
+#elif defined USE_LIBIEEE1284
+ ieee1284_release (libieee1284_port);
+ ieee1284_close (libieee1284_port);
#else // __BEOS__ || __FreeBSD__
close (parport_io_fd);
#endif
@@ -958,7 +1132,7 @@
parport_close (int parport)
{
(void) parport;
-#if defined USE_PPDEV || defined __BEOS__ || defined __FreeBSD__ || defined AMIGA
+#if defined USE_PPDEV || defined __BEOS__ || defined __FreeBSD__ || defined AMIGA || defined USE_LIBIEEE1284
if (unregister_func (close_io_port) == 0) // call func only if it can be removed!
close_io_port (); // (or else it will be called twice)
#elif defined _WIN32 || defined __CYGWIN__
@@ -976,6 +1150,9 @@
{
#ifdef USE_PPDEV
printf ("Using parallel port device: %s\n", ucon64.parport_dev);
+#elif defined USE_LIBIEEE1284
+ printf ("Using parallel port device: %s, base address 0x%lx\n",
+ libieee1284_port->filename, libieee1284_port->base_addr); // ->name
#elif defined AMIGA
printf ("Using parallel port device: %s, port %d\n", ucon64.parport_dev, ucon64.parport);
#else
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