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authoroharboe <oharboe@b42882b7-edfa-0310-969c-e2dbd0fdcd60>2008-02-28 07:25:06 +0000
committeroharboe <oharboe@b42882b7-edfa-0310-969c-e2dbd0fdcd60>2008-02-28 07:25:06 +0000
commitf76cf27380af20a6e1d46448c146140234d914f9 (patch)
tree4a8c75674f563b6e3ccb22f95330fc8a247dd73e /src/jtag/parport.c
parent06b1bfed107d5d2508a586fc30345b5a137beec2 (diff)
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Uwe Hermann fixed some warnings.
git-svn-id: svn://svn.berlios.de/openocd/trunk@360 b42882b7-edfa-0310-969c-e2dbd0fdcd60
Diffstat (limited to 'src/jtag/parport.c')
-rw-r--r--src/jtag/parport.c982
1 files changed, 491 insertions, 491 deletions
diff --git a/src/jtag/parport.c b/src/jtag/parport.c
index f9d7b029..7311bad8 100644
--- a/src/jtag/parport.c
+++ b/src/jtag/parport.c
@@ -1,491 +1,491 @@
-/***************************************************************************
- * Copyright (C) 2005 by Dominic Rath *
- * Dominic.Rath@gmx.de *
- * *
- * 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., *
- * 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. *
- ***************************************************************************/
-#ifdef HAVE_CONFIG_H
-#include "config.h"
-#endif
-
-#include "replacements.h"
-
-#include "jtag.h"
-#include "bitbang.h"
-
-/* system includes */
-// -ino: 060521-1036
-#if defined(__FreeBSD__) || defined(__FreeBSD_kernel__)
-
-#include <sys/types.h>
-#include <machine/sysarch.h>
-#include <machine/cpufunc.h>
-#define ioperm(startport,length,enable)\
- i386_set_ioperm((startport), (length), (enable))
-
-#else
-
-#ifdef _WIN32
-#include "errno.h"
-#endif /* _WIN32 */
-
-#endif /* __FreeBSD__ */
-
-#include <string.h>
-#include <stdlib.h>
-#include <stdio.h>
-
-#if PARPORT_USE_PPDEV == 1
-#if defined(__FreeBSD__) || defined(__FreeBSD_kernel__)
-#include <dev/ppbus/ppi.h>
-#include <dev/ppbus/ppbconf.h>
-#define PPRSTATUS PPIGSTATUS
-#define PPWDATA PPISDATA
-#else
-#include <linux/parport.h>
-#include <linux/ppdev.h>
-#endif
-#include <fcntl.h>
-#include <sys/ioctl.h>
-#else /* not PARPORT_USE_PPDEV */
-#ifndef _WIN32
-#include <sys/io.h>
-#endif
-#endif
-
-#if PARPORT_USE_GIVEIO == 1
-#if IS_CYGWIN == 1
-#include <windows.h>
-#include <errno.h>
-#undef ERROR
-#endif
-#endif
-
-#include "log.h"
-
-/* parallel port cable description
- */
-typedef struct cable_s
-{
- char* name;
- u8 TDO_MASK; /* status port bit containing current TDO value */
- u8 TRST_MASK; /* data port bit for TRST */
- u8 TMS_MASK; /* data port bit for TMS */
- u8 TCK_MASK; /* data port bit for TCK */
- u8 TDI_MASK; /* data port bit for TDI */
- u8 SRST_MASK; /* data port bit for SRST */
- u8 OUTPUT_INVERT; /* data port bits that should be inverted */
- u8 INPUT_INVERT; /* status port that should be inverted */
- u8 PORT_INIT; /* initialize data port with this value */
- u8 PORT_EXIT; /* de-initialize data port with this value */
- u8 LED_MASK; /* data port bit for LED */
-} cable_t;
-
-cable_t cables[] =
-{
- /* name tdo trst tms tck tdi srst o_inv i_inv init exit led */
- { "wiggler", 0x80, 0x10, 0x02, 0x04, 0x08, 0x01, 0x01, 0x80, 0x80, 0x80, 0x00 },
- { "wiggler2", 0x80, 0x10, 0x02, 0x04, 0x08, 0x01, 0x01, 0x80, 0x80, 0x00, 0x20 },
- { "wiggler_ntrst_inverted",
- 0x80, 0x10, 0x02, 0x04, 0x08, 0x01, 0x11, 0x80, 0x80, 0x80, 0x00 },
- { "old_amt_wiggler", 0x80, 0x01, 0x02, 0x04, 0x08, 0x10, 0x11, 0x80, 0x80, 0x80, 0x00 },
- { "chameleon", 0x80, 0x00, 0x04, 0x01, 0x02, 0x00, 0x00, 0x80, 0x00, 0x00, 0x00 },
- { "dlc5", 0x10, 0x00, 0x04, 0x02, 0x01, 0x00, 0x00, 0x00, 0x10, 0x10, 0x00 },
- { "triton", 0x80, 0x08, 0x04, 0x01, 0x02, 0x00, 0x00, 0x80, 0x00, 0x00, 0x00 },
- { "lattice", 0x40, 0x10, 0x04, 0x02, 0x01, 0x08, 0x00, 0x00, 0x18, 0x18, 0x00 },
- { "flashlink", 0x20, 0x10, 0x02, 0x01, 0x04, 0x20, 0x30, 0x20, 0x00, 0x00, 0x00 },
-/* Altium Universal JTAG cable. Set the cable to Xilinx Mode and wire to target as follows:
- HARD TCK - Target TCK
- HARD TMS - Target TMS
- HARD TDI - Target TDI
- HARD TDO - Target TDO
- SOFT TCK - Target TRST
- SOFT TDI - Target SRST
-*/
- { "altium", 0x10, 0x20, 0x04, 0x02, 0x01, 0x80, 0x00, 0x00, 0x10, 0x00, 0x08 },
- { NULL, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00 }
-};
-
-/* configuration */
-char* parport_cable = NULL;
-unsigned long parport_port;
-static int parport_exit = 0;
-
-/* interface variables
- */
-static cable_t* cable;
-static u8 dataport_value = 0x0;
-
-#if PARPORT_USE_PPDEV == 1
-static int device_handle;
-#else
-static unsigned long dataport;
-static unsigned long statusport;
-#endif
-
-/* low level command set
- */
-int parport_read(void);
-void parport_write(int tck, int tms, int tdi);
-void parport_reset(int trst, int srst);
-void parport_led(int on);
-
-int parport_speed(int speed);
-int parport_register_commands(struct command_context_s *cmd_ctx);
-int parport_init(void);
-int parport_quit(void);
-
-/* interface commands */
-int parport_handle_parport_port_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc);
-int parport_handle_parport_cable_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc);
-int parport_handle_write_on_exit_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc);
-
-jtag_interface_t parport_interface =
-{
- .name = "parport",
-
- .execute_queue = bitbang_execute_queue,
-
- .speed = parport_speed,
- .register_commands = parport_register_commands,
- .init = parport_init,
- .quit = parport_quit,
-};
-
-bitbang_interface_t parport_bitbang =
-{
- .read = parport_read,
- .write = parport_write,
- .reset = parport_reset,
- .blink = parport_led
-};
-
-int parport_read(void)
-{
- int data = 0;
-
-#if PARPORT_USE_PPDEV == 1
- ioctl(device_handle, PPRSTATUS, & data);
-#else
- data = inb(statusport);
-#endif
-
- if ((data ^ cable->INPUT_INVERT) & cable->TDO_MASK)
- return 1;
- else
- return 0;
-}
-
-static inline void parport_write_data(void)
-{
- u8 output;
- output = dataport_value ^ cable->OUTPUT_INVERT;
-
-#if PARPORT_USE_PPDEV == 1
- ioctl(device_handle, PPWDATA, &output);
-#else
-#if defined(__FreeBSD__) || defined(__FreeBSD_kernel__)
- outb(dataport, output);
-#else
- outb(output, dataport);
-#endif
-#endif
-}
-
-void parport_write(int tck, int tms, int tdi)
-{
- int i = jtag_speed + 1;
-
- if (tck)
- dataport_value |= cable->TCK_MASK;
- else
- dataport_value &= ~cable->TCK_MASK;
-
- if (tms)
- dataport_value |= cable->TMS_MASK;
- else
- dataport_value &= ~cable->TMS_MASK;
-
- if (tdi)
- dataport_value |= cable->TDI_MASK;
- else
- dataport_value &= ~cable->TDI_MASK;
-
- while (i-- > 0)
- parport_write_data();
-}
-
-/* (1) assert or (0) deassert reset lines */
-void parport_reset(int trst, int srst)
-{
- DEBUG("trst: %i, srst: %i", trst, srst);
-
- if (trst == 0)
- dataport_value |= cable->TRST_MASK;
- else if (trst == 1)
- dataport_value &= ~cable->TRST_MASK;
-
- if (srst == 0)
- dataport_value |= cable->SRST_MASK;
- else if (srst == 1)
- dataport_value &= ~cable->SRST_MASK;
-
- parport_write_data();
-}
-
-/* turn LED on parport adapter on (1) or off (0) */
-void parport_led(int on)
-{
- if (on)
- dataport_value |= cable->LED_MASK;
- else
- dataport_value &= ~cable->LED_MASK;
-
- parport_write_data();
-}
-
-int parport_speed(int speed)
-{
- jtag_speed = speed;
-
- return ERROR_OK;
-}
-
-int parport_register_commands(struct command_context_s *cmd_ctx)
-{
- register_command(cmd_ctx, NULL, "parport_port", parport_handle_parport_port_command,
- COMMAND_CONFIG, NULL);
- register_command(cmd_ctx, NULL, "parport_cable", parport_handle_parport_cable_command,
- COMMAND_CONFIG, NULL);
- register_command(cmd_ctx, NULL, "parport_write_on_exit", parport_handle_write_on_exit_command,
- COMMAND_CONFIG, NULL);
-
- return ERROR_OK;
-}
-
-#if PARPORT_USE_GIVEIO == 1
-int parport_get_giveio_access()
-{
- HANDLE h;
- OSVERSIONINFO version;
-
- version.dwOSVersionInfoSize = sizeof version;
- if (!GetVersionEx( &version )) {
- errno = EINVAL;
- return -1;
- }
- if (version.dwPlatformId != VER_PLATFORM_WIN32_NT)
- return 0;
-
- h = CreateFile( "\\\\.\\giveio", GENERIC_READ, 0, NULL, OPEN_EXISTING, FILE_ATTRIBUTE_NORMAL, NULL );
- if (h == INVALID_HANDLE_VALUE) {
- errno = ENODEV;
- return -1;
- }
-
- CloseHandle( h );
-
- return 0;
-}
-#endif
-
-int parport_init(void)
-{
- cable_t *cur_cable;
-#if PARPORT_USE_PPDEV == 1
- char buffer[256];
- int i = 0;
-#endif
-
- cur_cable = cables;
-
- if ((parport_cable == NULL) || (parport_cable[0] == 0))
- {
- parport_cable = "wiggler";
- WARNING("No parport cable specified, using default 'wiggler'");
- }
-
- while (cur_cable->name)
- {
- if (strcmp(cur_cable->name, parport_cable) == 0)
- {
- cable = cur_cable;
- break;
- }
- cur_cable++;
- }
-
- if (!cable)
- {
- ERROR("No matching cable found for %s", parport_cable);
- return ERROR_JTAG_INIT_FAILED;
- }
-
- dataport_value = cable->PORT_INIT;
-
-#if PARPORT_USE_PPDEV == 1
- if (device_handle > 0)
- {
- ERROR("device is already opened");
- return ERROR_JTAG_INIT_FAILED;
- }
-
-#if defined(__FreeBSD__) || defined(__FreeBSD_kernel__)
- DEBUG("opening /dev/ppi%d...", parport_port);
-
- snprintf(buffer, 256, "/dev/ppi%d", parport_port);
- device_handle = open(buffer, O_WRONLY);
-#else /* not __FreeBSD__, __FreeBSD_kernel__ */
- DEBUG("opening /dev/parport%d...", parport_port);
-
- snprintf(buffer, 256, "/dev/parport%d", parport_port);
- device_handle = open(buffer, O_WRONLY);
-#endif /* __FreeBSD__, __FreeBSD_kernel__ */
-
- if (device_handle < 0)
- {
- ERROR("cannot open device. check it exists and that user read and write rights are set");
- return ERROR_JTAG_INIT_FAILED;
- }
-
- DEBUG("...open");
-
-#if !defined(__FreeBSD__) && !defined(__FreeBSD_kernel__)
- i=ioctl(device_handle, PPCLAIM);
- if (i<0)
- {
- ERROR("cannot claim device");
- return ERROR_JTAG_INIT_FAILED;
- }
-
- i = PARPORT_MODE_COMPAT;
- i= ioctl(device_handle, PPSETMODE, & i);
- if (i<0)
- {
- ERROR(" cannot set compatible mode to device");
- return ERROR_JTAG_INIT_FAILED;
- }
-
- i = IEEE1284_MODE_COMPAT;
- i = ioctl(device_handle, PPNEGOT, & i);
- if (i<0)
- {
- ERROR("cannot set compatible 1284 mode to device");
- return ERROR_JTAG_INIT_FAILED;
- }
-#endif /* not __FreeBSD__, __FreeBSD_kernel__ */
-
-#else /* not PARPORT_USE_PPDEV */
- if (parport_port == 0)
- {
- parport_port = 0x378;
- WARNING("No parport port specified, using default '0x378' (LPT1)");
- }
-
- dataport = parport_port;
- statusport = parport_port + 1;
-
- DEBUG("requesting privileges for parallel port 0x%lx...", dataport);
-#if PARPORT_USE_GIVEIO == 1
- if (parport_get_giveio_access() != 0)
-#else /* PARPORT_USE_GIVEIO */
- if (ioperm(dataport, 3, 1) != 0)
-#endif /* PARPORT_USE_GIVEIO */
- {
- ERROR("missing privileges for direct i/o");
- return ERROR_JTAG_INIT_FAILED;
- }
- DEBUG("...privileges granted");
-
- /* make sure parallel port is in right mode (clear tristate and interrupt */
- #if defined(__FreeBSD__) || defined(__FreeBSD_kernel__)
- outb(parport_port + 2, 0x0);
- #else
- outb(0x0, parport_port + 2);
- #endif
-
-#endif /* PARPORT_USE_PPDEV */
-
- parport_reset(0, 0);
- parport_write(0, 0, 0);
- parport_led(1);
-
- bitbang_interface = &parport_bitbang;
-
- return ERROR_OK;
-}
-
-int parport_quit(void)
-{
- parport_led(0);
-
- if (parport_exit)
- {
- dataport_value = cable->PORT_EXIT;
- parport_write_data();
- }
-
- if (parport_cable)
- {
- free(parport_cable);
- parport_cable = NULL;
- }
-
- return ERROR_OK;
-}
-
-int parport_handle_parport_port_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
-{
- if (argc == 0)
- return ERROR_OK;
-
- /* only if the port wasn't overwritten by cmdline */
- if (parport_port == 0)
- parport_port = strtoul(args[0], NULL, 0);
-
- return ERROR_OK;
-}
-
-int parport_handle_parport_cable_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
-{
- if (argc == 0)
- return ERROR_OK;
-
- /* only if the cable name wasn't overwritten by cmdline */
- if (parport_cable == 0)
- {
- parport_cable = malloc(strlen(args[0]) + sizeof(char));
- strcpy(parport_cable, args[0]);
- }
-
- return ERROR_OK;
-}
-
-int parport_handle_write_on_exit_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
-{
- if (argc != 1)
- {
- command_print(cmd_ctx, "usage: parport_write_on_exit <on|off>");
- return ERROR_OK;
- }
-
- if (strcmp(args[0], "on") == 0)
- parport_exit = 1;
- else if (strcmp(args[0], "off") == 0)
- parport_exit = 0;
-
- return ERROR_OK;
-}
+/***************************************************************************
+ * Copyright (C) 2005 by Dominic Rath *
+ * Dominic.Rath@gmx.de *
+ * *
+ * 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., *
+ * 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. *
+ ***************************************************************************/
+#ifdef HAVE_CONFIG_H
+#include "config.h"
+#endif
+
+#include "replacements.h"
+
+#include "jtag.h"
+#include "bitbang.h"
+
+/* system includes */
+// -ino: 060521-1036
+#if defined(__FreeBSD__) || defined(__FreeBSD_kernel__)
+
+#include <sys/types.h>
+#include <machine/sysarch.h>
+#include <machine/cpufunc.h>
+#define ioperm(startport,length,enable)\
+ i386_set_ioperm((startport), (length), (enable))
+
+#else
+
+#ifdef _WIN32
+#include "errno.h"
+#endif /* _WIN32 */
+
+#endif /* __FreeBSD__ */
+
+#include <string.h>
+#include <stdlib.h>
+#include <stdio.h>
+
+#if PARPORT_USE_PPDEV == 1
+#if defined(__FreeBSD__) || defined(__FreeBSD_kernel__)
+#include <dev/ppbus/ppi.h>
+#include <dev/ppbus/ppbconf.h>
+#define PPRSTATUS PPIGSTATUS
+#define PPWDATA PPISDATA
+#else
+#include <linux/parport.h>
+#include <linux/ppdev.h>
+#endif
+#include <fcntl.h>
+#include <sys/ioctl.h>
+#else /* not PARPORT_USE_PPDEV */
+#ifndef _WIN32
+#include <sys/io.h>
+#endif
+#endif
+
+#if PARPORT_USE_GIVEIO == 1
+#if IS_CYGWIN == 1
+#include <windows.h>
+#include <errno.h>
+#undef ERROR
+#endif
+#endif
+
+#include "log.h"
+
+/* parallel port cable description
+ */
+typedef struct cable_s
+{
+ char* name;
+ u8 TDO_MASK; /* status port bit containing current TDO value */
+ u8 TRST_MASK; /* data port bit for TRST */
+ u8 TMS_MASK; /* data port bit for TMS */
+ u8 TCK_MASK; /* data port bit for TCK */
+ u8 TDI_MASK; /* data port bit for TDI */
+ u8 SRST_MASK; /* data port bit for SRST */
+ u8 OUTPUT_INVERT; /* data port bits that should be inverted */
+ u8 INPUT_INVERT; /* status port that should be inverted */
+ u8 PORT_INIT; /* initialize data port with this value */
+ u8 PORT_EXIT; /* de-initialize data port with this value */
+ u8 LED_MASK; /* data port bit for LED */
+} cable_t;
+
+cable_t cables[] =
+{
+ /* name tdo trst tms tck tdi srst o_inv i_inv init exit led */
+ { "wiggler", 0x80, 0x10, 0x02, 0x04, 0x08, 0x01, 0x01, 0x80, 0x80, 0x80, 0x00 },
+ { "wiggler2", 0x80, 0x10, 0x02, 0x04, 0x08, 0x01, 0x01, 0x80, 0x80, 0x00, 0x20 },
+ { "wiggler_ntrst_inverted",
+ 0x80, 0x10, 0x02, 0x04, 0x08, 0x01, 0x11, 0x80, 0x80, 0x80, 0x00 },
+ { "old_amt_wiggler", 0x80, 0x01, 0x02, 0x04, 0x08, 0x10, 0x11, 0x80, 0x80, 0x80, 0x00 },
+ { "chameleon", 0x80, 0x00, 0x04, 0x01, 0x02, 0x00, 0x00, 0x80, 0x00, 0x00, 0x00 },
+ { "dlc5", 0x10, 0x00, 0x04, 0x02, 0x01, 0x00, 0x00, 0x00, 0x10, 0x10, 0x00 },
+ { "triton", 0x80, 0x08, 0x04, 0x01, 0x02, 0x00, 0x00, 0x80, 0x00, 0x00, 0x00 },
+ { "lattice", 0x40, 0x10, 0x04, 0x02, 0x01, 0x08, 0x00, 0x00, 0x18, 0x18, 0x00 },
+ { "flashlink", 0x20, 0x10, 0x02, 0x01, 0x04, 0x20, 0x30, 0x20, 0x00, 0x00, 0x00 },
+/* Altium Universal JTAG cable. Set the cable to Xilinx Mode and wire to target as follows:
+ HARD TCK - Target TCK
+ HARD TMS - Target TMS
+ HARD TDI - Target TDI
+ HARD TDO - Target TDO
+ SOFT TCK - Target TRST
+ SOFT TDI - Target SRST
+*/
+ { "altium", 0x10, 0x20, 0x04, 0x02, 0x01, 0x80, 0x00, 0x00, 0x10, 0x00, 0x08 },
+ { NULL, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00 }
+};
+
+/* configuration */
+char* parport_cable = NULL;
+u16 parport_port;
+static int parport_exit = 0;
+
+/* interface variables
+ */
+static cable_t* cable;
+static u8 dataport_value = 0x0;
+
+#if PARPORT_USE_PPDEV == 1
+static int device_handle;
+#else
+static unsigned long dataport;
+static unsigned long statusport;
+#endif
+
+/* low level command set
+ */
+int parport_read(void);
+void parport_write(int tck, int tms, int tdi);
+void parport_reset(int trst, int srst);
+void parport_led(int on);
+
+int parport_speed(int speed);
+int parport_register_commands(struct command_context_s *cmd_ctx);
+int parport_init(void);
+int parport_quit(void);
+
+/* interface commands */
+int parport_handle_parport_port_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc);
+int parport_handle_parport_cable_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc);
+int parport_handle_write_on_exit_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc);
+
+jtag_interface_t parport_interface =
+{
+ .name = "parport",
+
+ .execute_queue = bitbang_execute_queue,
+
+ .speed = parport_speed,
+ .register_commands = parport_register_commands,
+ .init = parport_init,
+ .quit = parport_quit,
+};
+
+bitbang_interface_t parport_bitbang =
+{
+ .read = parport_read,
+ .write = parport_write,
+ .reset = parport_reset,
+ .blink = parport_led
+};
+
+int parport_read(void)
+{
+ int data = 0;
+
+#if PARPORT_USE_PPDEV == 1
+ ioctl(device_handle, PPRSTATUS, & data);
+#else
+ data = inb(statusport);
+#endif
+
+ if ((data ^ cable->INPUT_INVERT) & cable->TDO_MASK)
+ return 1;
+ else
+ return 0;
+}
+
+static inline void parport_write_data(void)
+{
+ u8 output;
+ output = dataport_value ^ cable->OUTPUT_INVERT;
+
+#if PARPORT_USE_PPDEV == 1
+ ioctl(device_handle, PPWDATA, &output);
+#else
+#if defined(__FreeBSD__) || defined(__FreeBSD_kernel__)
+ outb(dataport, output);
+#else
+ outb(output, dataport);
+#endif
+#endif
+}
+
+void parport_write(int tck, int tms, int tdi)
+{
+ int i = jtag_speed + 1;
+
+ if (tck)
+ dataport_value |= cable->TCK_MASK;
+ else
+ dataport_value &= ~cable->TCK_MASK;
+
+ if (tms)
+ dataport_value |= cable->TMS_MASK;
+ else
+ dataport_value &= ~cable->TMS_MASK;
+
+ if (tdi)
+ dataport_value |= cable->TDI_MASK;
+ else
+ dataport_value &= ~cable->TDI_MASK;
+
+ while (i-- > 0)
+ parport_write_data();
+}
+
+/* (1) assert or (0) deassert reset lines */
+void parport_reset(int trst, int srst)
+{
+ DEBUG("trst: %i, srst: %i", trst, srst);
+
+ if (trst == 0)
+ dataport_value |= cable->TRST_MASK;
+ else if (trst == 1)
+ dataport_value &= ~cable->TRST_MASK;
+
+ if (srst == 0)
+ dataport_value |= cable->SRST_MASK;
+ else if (srst == 1)
+ dataport_value &= ~cable->SRST_MASK;
+
+ parport_write_data();
+}
+
+/* turn LED on parport adapter on (1) or off (0) */
+void parport_led(int on)
+{
+ if (on)
+ dataport_value |= cable->LED_MASK;
+ else
+ dataport_value &= ~cable->LED_MASK;
+
+ parport_write_data();
+}
+
+int parport_speed(int speed)
+{
+ jtag_speed = speed;
+
+ return ERROR_OK;
+}
+
+int parport_register_commands(struct command_context_s *cmd_ctx)
+{
+ register_command(cmd_ctx, NULL, "parport_port", parport_handle_parport_port_command,
+ COMMAND_CONFIG, NULL);
+ register_command(cmd_ctx, NULL, "parport_cable", parport_handle_parport_cable_command,
+ COMMAND_CONFIG, NULL);
+ register_command(cmd_ctx, NULL, "parport_write_on_exit", parport_handle_write_on_exit_command,
+ COMMAND_CONFIG, NULL);
+
+ return ERROR_OK;
+}
+
+#if PARPORT_USE_GIVEIO == 1
+int parport_get_giveio_access()
+{
+ HANDLE h;
+ OSVERSIONINFO version;
+
+ version.dwOSVersionInfoSize = sizeof version;
+ if (!GetVersionEx( &version )) {
+ errno = EINVAL;
+ return -1;
+ }
+ if (version.dwPlatformId != VER_PLATFORM_WIN32_NT)
+ return 0;
+
+ h = CreateFile( "\\\\.\\giveio", GENERIC_READ, 0, NULL, OPEN_EXISTING, FILE_ATTRIBUTE_NORMAL, NULL );
+ if (h == INVALID_HANDLE_VALUE) {
+ errno = ENODEV;
+ return -1;
+ }
+
+ CloseHandle( h );
+
+ return 0;
+}
+#endif
+
+int parport_init(void)
+{
+ cable_t *cur_cable;
+#if PARPORT_USE_PPDEV == 1
+ char buffer[256];
+ int i = 0;
+#endif
+
+ cur_cable = cables;
+
+ if ((parport_cable == NULL) || (parport_cable[0] == 0))
+ {
+ parport_cable = "wiggler";
+ WARNING("No parport cable specified, using default 'wiggler'");
+ }
+
+ while (cur_cable->name)
+ {
+ if (strcmp(cur_cable->name, parport_cable) == 0)
+ {
+ cable = cur_cable;
+ break;
+ }
+ cur_cable++;
+ }
+
+ if (!cable)
+ {
+ ERROR("No matching cable found for %s", parport_cable);
+ return ERROR_JTAG_INIT_FAILED;
+ }
+
+ dataport_value = cable->PORT_INIT;
+
+#if PARPORT_USE_PPDEV == 1
+ if (device_handle > 0)
+ {
+ ERROR("device is already opened");
+ return ERROR_JTAG_INIT_FAILED;
+ }
+
+#if defined(__FreeBSD__) || defined(__FreeBSD_kernel__)
+ DEBUG("opening /dev/ppi%d...", parport_port);
+
+ snprintf(buffer, 256, "/dev/ppi%d", parport_port);
+ device_handle = open(buffer, O_WRONLY);
+#else /* not __FreeBSD__, __FreeBSD_kernel__ */
+ DEBUG("opening /dev/parport%d...", parport_port);
+
+ snprintf(buffer, 256, "/dev/parport%d", parport_port);
+ device_handle = open(buffer, O_WRONLY);
+#endif /* __FreeBSD__, __FreeBSD_kernel__ */
+
+ if (device_handle < 0)
+ {
+ ERROR("cannot open device. check it exists and that user read and write rights are set");
+ return ERROR_JTAG_INIT_FAILED;
+ }
+
+ DEBUG("...open");
+
+#if !defined(__FreeBSD__) && !defined(__FreeBSD_kernel__)
+ i=ioctl(device_handle, PPCLAIM);
+ if (i<0)
+ {
+ ERROR("cannot claim device");
+ return ERROR_JTAG_INIT_FAILED;
+ }
+
+ i = PARPORT_MODE_COMPAT;
+ i= ioctl(device_handle, PPSETMODE, & i);
+ if (i<0)
+ {
+ ERROR(" cannot set compatible mode to device");
+ return ERROR_JTAG_INIT_FAILED;
+ }
+
+ i = IEEE1284_MODE_COMPAT;
+ i = ioctl(device_handle, PPNEGOT, & i);
+ if (i<0)
+ {
+ ERROR("cannot set compatible 1284 mode to device");
+ return ERROR_JTAG_INIT_FAILED;
+ }
+#endif /* not __FreeBSD__, __FreeBSD_kernel__ */
+
+#else /* not PARPORT_USE_PPDEV */
+ if (parport_port == 0)
+ {
+ parport_port = 0x378;
+ WARNING("No parport port specified, using default '0x378' (LPT1)");
+ }
+
+ dataport = parport_port;
+ statusport = parport_port + 1;
+
+ DEBUG("requesting privileges for parallel port 0x%lx...", dataport);
+#if PARPORT_USE_GIVEIO == 1
+ if (parport_get_giveio_access() != 0)
+#else /* PARPORT_USE_GIVEIO */
+ if (ioperm(dataport, 3, 1) != 0)
+#endif /* PARPORT_USE_GIVEIO */
+ {
+ ERROR("missing privileges for direct i/o");
+ return ERROR_JTAG_INIT_FAILED;
+ }
+ DEBUG("...privileges granted");
+
+ /* make sure parallel port is in right mode (clear tristate and interrupt */
+ #if defined(__FreeBSD__) || defined(__FreeBSD_kernel__)
+ outb(parport_port + 2, 0x0);
+ #else
+ outb(0x0, parport_port + 2);
+ #endif
+
+#endif /* PARPORT_USE_PPDEV */
+
+ parport_reset(0, 0);
+ parport_write(0, 0, 0);
+ parport_led(1);
+
+ bitbang_interface = &parport_bitbang;
+
+ return ERROR_OK;
+}
+
+int parport_quit(void)
+{
+ parport_led(0);
+
+ if (parport_exit)
+ {
+ dataport_value = cable->PORT_EXIT;
+ parport_write_data();
+ }
+
+ if (parport_cable)
+ {
+ free(parport_cable);
+ parport_cable = NULL;
+ }
+
+ return ERROR_OK;
+}
+
+int parport_handle_parport_port_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
+{
+ if (argc == 0)
+ return ERROR_OK;
+
+ /* only if the port wasn't overwritten by cmdline */
+ if (parport_port == 0)
+ parport_port = strtoul(args[0], NULL, 0);
+
+ return ERROR_OK;
+}
+
+int parport_handle_parport_cable_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
+{
+ if (argc == 0)
+ return ERROR_OK;
+
+ /* only if the cable name wasn't overwritten by cmdline */
+ if (parport_cable == 0)
+ {
+ parport_cable = malloc(strlen(args[0]) + sizeof(char));
+ strcpy(parport_cable, args[0]);
+ }
+
+ return ERROR_OK;
+}
+
+int parport_handle_write_on_exit_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
+{
+ if (argc != 1)
+ {
+ command_print(cmd_ctx, "usage: parport_write_on_exit <on|off>");
+ return ERROR_OK;
+ }
+
+ if (strcmp(args[0], "on") == 0)
+ parport_exit = 1;
+ else if (strcmp(args[0], "off") == 0)
+ parport_exit = 0;
+
+ return ERROR_OK;
+}