move jtag drivers to src/jtag/drivers

Moves JTAG interface drivers to src/jtag/drivers/,
Adds src/jtag/drivers/Makefile.am.
Builds libocdjtagdrivers.la.

Flattens the rlink driver files into the drivers/ directory, adding
the 'rlink_' prefix or '.rlink' suffix as appropriate.

1 files changed, 0 insertions, 583 deletions

diff --git a/src/jtag/gw16012.c b/src/jtag/gw16012.c
deleted file mode 100644
index b827fd53..00000000
--- a/src/jtag/gw16012.c
+++ /dev/null
@@ -1,583 +0,0 @@
-/***************************************************************************
- *   Copyright (C) 2006 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 "interface.h"
-#include "commands.h"
-
-
-#if 1
-#define _DEBUG_GW16012_IO_
-#endif
-
-/* system includes */
-/*  -ino: 060521-1036 */
-#if defined(__FreeBSD__) || defined(__FreeBSD_kernel__)
-
-#include <machine/sysarch.h>
-#include <machine/cpufunc.h>
-#define ioperm(startport,length,enable)\
-  i386_set_ioperm((startport), (length), (enable))
-
-#else
-
-#endif /* __FreeBSD__, __FreeBSD_kernel__ */
-
-
-#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 && IS_CYGWIN == 1
-#include <windows.h>
-#endif
-
-
-/* configuration */
-uint16_t gw16012_port;
-
-/* interface variables
- */
-static uint8_t gw16012_msb = 0x0;
-static uint8_t gw16012_control_value = 0x0;
-
-#if PARPORT_USE_PPDEV == 1
-static int device_handle;
-#endif
-
-static void gw16012_data(uint8_t value)
-{
-	value = (value & 0x7f) | gw16012_msb;
-	gw16012_msb ^= 0x80; /* toggle MSB */
-
-#ifdef _DEBUG_GW16012_IO_
-	LOG_DEBUG("%2.2x", value);
-#endif
-
-	#if PARPORT_USE_PPDEV == 1
-		ioctl(device_handle, PPWDATA, &value);
-	#else
-		#if defined(__FreeBSD__) || defined(__FreeBSD_kernel__)
-			outb(gw16012_port, value);
-		#else
-			outb(value, gw16012_port);
-		#endif
-	#endif
-}
-
-static void gw16012_control(uint8_t value)
-{
-	if (value != gw16012_control_value)
-	{
-		gw16012_control_value = value;
-
-#ifdef _DEBUG_GW16012_IO_
-		LOG_DEBUG("%2.2x", gw16012_control_value);
-#endif
-
-		#if PARPORT_USE_PPDEV == 1
-			ioctl(device_handle, PPWCONTROL, &gw16012_control_value);
-		#else
-			#if defined(__FreeBSD__) || defined(__FreeBSD_kernel__)
-				outb(gw16012_port + 2, gw16012_control_value);
-			#else
-				outb(gw16012_control_value, gw16012_port + 2);
-			#endif
-		#endif
-	}
-}
-
-static void gw16012_input(uint8_t *value)
-{
-	#if PARPORT_USE_PPDEV == 1
-		ioctl(device_handle, PPRSTATUS, value);
-	#else
-		*value = inb(gw16012_port + 1);
-	#endif
-
-#ifdef _DEBUG_GW16012_IO_
-	LOG_DEBUG("%2.2x", *value);
-#endif
-}
-
-/* (1) assert or (0) deassert reset lines */
-static void gw16012_reset(int trst, int srst)
-{
-	LOG_DEBUG("trst: %i, srst: %i", trst, srst);
-
-	if (trst == 0)
-		gw16012_control(0x0d);
-	else if (trst == 1)
-		gw16012_control(0x0c);
-
-	if (srst == 0)
-		gw16012_control(0x0a);
-	else if (srst == 1)
-		gw16012_control(0x0b);
-}
-
-static int gw16012_speed(int speed)
-{
-
-	return ERROR_OK;
-}
-
-static void gw16012_end_state(tap_state_t state)
-{
-	if (tap_is_state_stable(state))
-		tap_set_end_state(state);
-	else
-	{
-		LOG_ERROR("BUG: %i is not a valid end state", state);
-		exit(-1);
-	}
-}
-
-static void gw16012_state_move(void)
-{
-	int i = 0, tms = 0;
-	uint8_t tms_scan = tap_get_tms_path(tap_get_state(), tap_get_end_state());
-	int tms_count = tap_get_tms_path_len(tap_get_state(), tap_get_end_state());
-
-	gw16012_control(0x0); /* single-bit mode */
-
-	for (i = 0; i < tms_count; i++)
-	{
-		tms = (tms_scan >> i) & 1;
-		gw16012_data(tms << 1); /* output next TMS bit */
-	}
-
-	tap_set_state(tap_get_end_state());
-}
-
-static void gw16012_path_move(struct pathmove_command *cmd)
-{
-	int num_states = cmd->num_states;
-	int state_count;
-
-	state_count = 0;
-	while (num_states)
-	{
-		gw16012_control(0x0); /* single-bit mode */
-		if (tap_state_transition(tap_get_state(), false) == cmd->path[state_count])
-		{
-			gw16012_data(0x0); /* TCK cycle with TMS low */
-		}
-		else if (tap_state_transition(tap_get_state(), true) == cmd->path[state_count])
-		{
-			gw16012_data(0x2); /* TCK cycle with TMS high */
-		}
-		else
-		{
-			LOG_ERROR("BUG: %s -> %s isn't a valid TAP transition", tap_state_name(tap_get_state()), tap_state_name(cmd->path[state_count]));
-			exit(-1);
-		}
-
-		tap_set_state(cmd->path[state_count]);
-		state_count++;
-		num_states--;
-	}
-
-	tap_set_end_state(tap_get_state());
-}
-
-static void gw16012_runtest(int num_cycles)
-{
-	tap_state_t saved_end_state = tap_get_end_state();
-	int i;
-
-	/* only do a state_move when we're not already in IDLE */
-	if (tap_get_state() != TAP_IDLE)
-	{
-		gw16012_end_state(TAP_IDLE);
-		gw16012_state_move();
-	}
-
-	for (i = 0; i < num_cycles; i++)
-	{
-		gw16012_control(0x0); /* single-bit mode */
-		gw16012_data(0x0); /* TMS cycle with TMS low */
-	}
-
-	gw16012_end_state(saved_end_state);
-	if (tap_get_state() != tap_get_end_state())
-		gw16012_state_move();
-}
-
-static void gw16012_scan(bool ir_scan, enum scan_type type, uint8_t *buffer, int scan_size)
-{
-	int bits_left = scan_size;
-	int bit_count = 0;
-	tap_state_t saved_end_state = tap_get_end_state();
-	uint8_t scan_out, scan_in;
-
-	/* only if we're not already in the correct Shift state */
-	if (!((!ir_scan && (tap_get_state() == TAP_DRSHIFT)) || (ir_scan && (tap_get_state() == TAP_IRSHIFT))))
-	{
-		if (ir_scan)
-			gw16012_end_state(TAP_IRSHIFT);
-		else
-			gw16012_end_state(TAP_DRSHIFT);
-
-		gw16012_state_move();
-		gw16012_end_state(saved_end_state);
-	}
-
-	while (type == SCAN_OUT && ((bits_left - 1) > 7))
-	{
-		gw16012_control(0x2); /* seven-bit mode */
-		scan_out = buf_get_u32(buffer, bit_count, 7);
-		gw16012_data(scan_out);
-		bit_count += 7;
-		bits_left -= 7;
-	}
-
-	gw16012_control(0x0); /* single-bit mode */
-	while (bits_left-- > 0)
-	{
-		uint8_t tms = 0;
-
-		scan_out = buf_get_u32(buffer, bit_count, 1);
-
-		if (bits_left == 0) /* last bit */
-		{
-			if ((ir_scan && (tap_get_end_state() == TAP_IRSHIFT))
-				|| (!ir_scan && (tap_get_end_state() == TAP_DRSHIFT)))
-			{
-				tms = 0;
-			}
-			else
-			{
-				tms = 2;
-			}
-		}
-
-		gw16012_data(scan_out | tms);
-
-		if (type != SCAN_OUT)
-		{
-			gw16012_input(&scan_in);
-			buf_set_u32(buffer, bit_count, 1, ((scan_in & 0x08) >> 3));
-		}
-
-		bit_count++;
-	}
-
-	if (!((ir_scan && (tap_get_end_state() == TAP_IRSHIFT)) ||
-		(!ir_scan && (tap_get_end_state() == TAP_DRSHIFT))))
-	{
-		gw16012_data(0x0);
-		if (ir_scan)
-			tap_set_state(TAP_IRPAUSE);
-		else
-			tap_set_state(TAP_DRPAUSE);
-
-		if (tap_get_state() != tap_get_end_state())
-			gw16012_state_move();
-	}
-}
-
-static int gw16012_execute_queue(void)
-{
-	struct jtag_command *cmd = jtag_command_queue; /* currently processed command */
-	int scan_size;
-	enum scan_type type;
-	uint8_t *buffer;
-	int retval;
-
-	/* return ERROR_OK, unless a jtag_read_buffer returns a failed check
-	 * that wasn't handled by a caller-provided error handler
-	 */
-	retval = ERROR_OK;
-
-	while (cmd)
-	{
-		switch (cmd->type)
-		{
-			case JTAG_RESET:
-#ifdef _DEBUG_JTAG_IO_
-				LOG_DEBUG("reset trst: %i srst %i", cmd->cmd.reset->trst, cmd->cmd.reset->srst);
-#endif
-				if (cmd->cmd.reset->trst == 1)
-				{
-					tap_set_state(TAP_RESET);
-				}
-				gw16012_reset(cmd->cmd.reset->trst, cmd->cmd.reset->srst);
-				break;
-			case JTAG_RUNTEST:
-#ifdef _DEBUG_JTAG_IO_
-				LOG_DEBUG("runtest %i cycles, end in %i", cmd->cmd.runtest->num_cycles, cmd->cmd.runtest->end_state);
-#endif
-				gw16012_end_state(cmd->cmd.runtest->end_state);
-				gw16012_runtest(cmd->cmd.runtest->num_cycles);
-				break;
-			case JTAG_STATEMOVE:
-#ifdef _DEBUG_JTAG_IO_
-				LOG_DEBUG("statemove end in %i", cmd->cmd.statemove->end_state);
-#endif
-				gw16012_end_state(cmd->cmd.statemove->end_state);
-				gw16012_state_move();
-				break;
-			case JTAG_PATHMOVE:
-#ifdef _DEBUG_JTAG_IO_
-				LOG_DEBUG("pathmove: %i states, end in %i", cmd->cmd.pathmove->num_states, cmd->cmd.pathmove->path[cmd->cmd.pathmove->num_states - 1]);
-#endif
-				gw16012_path_move(cmd->cmd.pathmove);
-				break;
-			case JTAG_SCAN:
-				gw16012_end_state(cmd->cmd.scan->end_state);
-				scan_size = jtag_build_buffer(cmd->cmd.scan, &buffer);
-				type = jtag_scan_type(cmd->cmd.scan);
-#ifdef _DEBUG_JTAG_IO_
-				LOG_DEBUG("%s scan (%i) %i bit end in %i", (cmd->cmd.scan->ir_scan) ? "ir" : "dr",
-					type, scan_size, cmd->cmd.scan->end_state);
-#endif
-				gw16012_scan(cmd->cmd.scan->ir_scan, type, buffer, scan_size);
-				if (jtag_read_buffer(buffer, cmd->cmd.scan) != ERROR_OK)
-					retval = ERROR_JTAG_QUEUE_FAILED;
-				if (buffer)
-					free(buffer);
-				break;
-			case JTAG_SLEEP:
-#ifdef _DEBUG_JTAG_IO_
-				LOG_DEBUG("sleep %i", cmd->cmd.sleep->us);
-#endif
-				jtag_sleep(cmd->cmd.sleep->us);
-				break;
-			default:
-				LOG_ERROR("BUG: unknown JTAG command type encountered");
-				exit(-1);
-		}
-		cmd = cmd->next;
-	}
-
-	return retval;
-}
-
-#if PARPORT_USE_GIVEIO == 1
-static int gw16012_get_giveio_access(void)
-{
-	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
-
-#if PARPORT_USE_PPDEV == 1
-
-#if defined(__FreeBSD__) || defined(__FreeBSD_kernel__)
-
-#define GW16012_PPDEV_NAME	"ppi"
-
-static int gw16012_init_ioctls(void)
-{
-	int temp = 0;
-	temp = ioctl(device_handle, PPCLAIM);
-	if (temp < 0)
-	{
-		LOG_ERROR("cannot claim device");
-		return ERROR_JTAG_INIT_FAILED;
-	}
-
-	temp = PARPORT_MODE_COMPAT;
-	temp = ioctl(device_handle, PPSETMODE, &temp);
-	if (temp < 0)
-	{
-		LOG_ERROR(" cannot set compatible mode to device");
-		return ERROR_JTAG_INIT_FAILED;
-	}
-
-	temp = IEEE1284_MODE_COMPAT;
-	temp = ioctl(device_handle, PPNEGOT, &temp);
-	if (temp < 0)
-	{
-		LOG_ERROR("cannot set compatible 1284 mode to device");
-		return ERROR_JTAG_INIT_FAILED;
-	}
-	return ERROR_OK;
-}
-#else
-
-#define GW16012_PPDEV_NAME	"parport"
-
-static int gw16012_init_ioctls(void)
-{
-	return ERROR_OK;
-}
-
-#endif // defined(__FreeBSD__) || defined(__FreeBSD_kernel__)
-
-static int gw16012_init_device(void)
-{
-	const char *device_name = GW16012_PPDEV_NAME;
-	char buffer[256];
-
-	if (device_handle > 0)
-	{
-		LOG_ERROR("device is already opened");
-		return ERROR_JTAG_INIT_FAILED;
-	}
-
-	snprintf(buffer, 256, "/dev/%s%d", device_name, gw16012_port);
-	LOG_DEBUG("opening %s...", buffer);
-
-	device_handle = open(buffer, O_WRONLY);
-	if (device_handle < 0)
-	{
-		LOG_ERROR("cannot open device. check it exists and that user read and write rights are set");
-		return ERROR_JTAG_INIT_FAILED;
-	}
-
-	LOG_DEBUG("...open");
-
-	if (gw16012_init_ioctls() != ERROR_OK)
-		return ERROR_JTAG_INIT_FAILED;
-
-	return ERROR_OK;
-}
-
-#else // PARPORT_USE_PPDEV
-
-static int gw16012_init_device(void)
-{
-	if (gw16012_port == 0)
-	{
-		gw16012_port = 0x378;
-		LOG_WARNING("No gw16012 port specified, using default '0x378' (LPT1)");
-	}
-
-	LOG_DEBUG("requesting privileges for parallel port 0x%lx...", (long unsigned)(gw16012_port));
-#if PARPORT_USE_GIVEIO == 1
-	if (gw16012_get_giveio_access() != 0)
-#else /* PARPORT_USE_GIVEIO */
-	if (ioperm(gw16012_port, 3, 1) != 0)
-#endif /* PARPORT_USE_GIVEIO */
-	{
-		LOG_ERROR("missing privileges for direct i/o");
-		return ERROR_JTAG_INIT_FAILED;
-	}
-	LOG_DEBUG("...privileges granted");
-
-	/* make sure parallel port is in right mode (clear tristate and interrupt */
-#if defined(__FreeBSD__) || defined(__FreeBSD_kernel__)
-	outb(gw16012_port + 2, 0x0);
-#else
-	outb(0x0, gw16012_port + 2);
-#endif
-	return ERROR_OK;
-}
-
-#endif // PARPORT_USE_PPDEV
-
-static int gw16012_init(void)
-{
-	uint8_t status_port;
-
-	if (gw16012_init_device() != ERROR_OK)
-		return ERROR_JTAG_INIT_FAILED;
-
-	gw16012_input(&status_port);
-	gw16012_msb = (status_port & 0x80) ^ 0x80;
-
-	gw16012_speed(jtag_get_speed());
-	gw16012_reset(0, 0);
-
-	return ERROR_OK;
-}
-
-static int gw16012_quit(void)
-{
-
-	return ERROR_OK;
-}
-
-COMMAND_HANDLER(gw16012_handle_parport_port_command)
-{
-	if (CMD_ARGC == 1)
-	{
-		/* only if the port wasn't overwritten by cmdline */
-		if (gw16012_port == 0)
-		{
-			COMMAND_PARSE_NUMBER(u16, CMD_ARGV[0], gw16012_port);
-		}
-		else
-		{
-			LOG_ERROR("The parport port was already configured!");
-			return ERROR_FAIL;
-		}
-	}
-
-	command_print(CMD_CTX, "parport port = %u", gw16012_port);
-
-	return ERROR_OK;
-}
-
-static const struct command_registration gw16012_command_handlers[] = {
-	{
-		.name = "parport_port",
-		.handler = &gw16012_handle_parport_port_command,
-		.mode = COMMAND_CONFIG,
-		.help = "configure the parallel port to use",
-		.usage = "<port_num>",
-	},
-	COMMAND_REGISTRATION_DONE
-};
-
-struct jtag_interface gw16012_interface = {
-		.name = "gw16012",
-		.commands = gw16012_command_handlers,
-		.init = &gw16012_init,
-		.quit = &gw16012_quit,
-		.speed = &gw16012_speed,
-		.execute_queue = &gw16012_execute_queue,
-	};