remove libusb0_common support

Supporting two libusb versions provides additional development challenges
without additional advantage. In most cases we need to patch libusb0_common and
libusb1_common without real ability to test libusb0_common.

Change-Id: Icbb19c6809b14533fe2acf7a877377b3be4cbd61
Signed-off-by: Oleksij Rempel <linux@rempel-privat.de>
Reviewed-on: http://openocd.zylin.com/5432
Tested-by: jenkins

4 files changed, 0 insertions, 310 deletions

diff --git a/src/jtag/drivers/Makefile.am b/src/jtag/drivers/Makefile.am
index 7fbcd584..47b19470 100644
--- a/src/jtag/drivers/Makefile.am
+++ b/src/jtag/drivers/Makefile.am
@@ -31,9 +31,6 @@ if USE_LIBUSB0
 DRIVERFILES += %D%/usb_common.c
 %C%_libocdjtagdrivers_la_CPPFLAGS += $(LIBUSB0_CFLAGS)
 %C%_libocdjtagdrivers_la_LIBADD += $(LIBUSB0_LIBS)
-if !USE_LIBUSB1
-DRIVERFILES += %D%/libusb0_common.c
-endif
 endif
 
 if USE_LIBFTDI
@@ -171,7 +168,6 @@ DRIVERHEADERS = \
 	%D%/bitbang.h \
 	%D%/bitq.h \
 	%D%/jtag_usb_common.h \
-	%D%/libusb0_common.h \
 	%D%/libusb1_common.h \
 	%D%/libusb_common.h \
 	%D%/minidriver_imp.h \
diff --git a/src/jtag/drivers/libusb0_common.c b/src/jtag/drivers/libusb0_common.c
deleted file mode 100644
index 0e785891..00000000
--- a/src/jtag/drivers/libusb0_common.c
+++ /dev/null
@@ -1,230 +0,0 @@
-/***************************************************************************
- *   Copyright (C) 2009 by Zachary T Welch <zw@superlucidity.net>          *
- *                                                                         *
- *   Copyright (C) 2011 by Mauro Gamba <maurillo71@gmail.com>              *
- *                                                                         *
- *   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, see <http://www.gnu.org/licenses/>. *
- ***************************************************************************/
-
-#ifdef HAVE_CONFIG_H
-#include "config.h"
-#endif
-#include "log.h"
-#include "libusb0_common.h"
-
-static int jtag_libusb_error(int err)
-{
-	switch (err) {
-	case 0:
-		return ERROR_OK;
-	case -ETIMEDOUT:
-		return ERROR_TIMEOUT_REACHED;
-	default:
-		return ERROR_FAIL;
-	}
-}
-
-static bool jtag_libusb_match(struct jtag_libusb_device *dev,
-		const uint16_t vids[], const uint16_t pids[])
-{
-	for (unsigned i = 0; vids[i]; i++) {
-		if (dev->descriptor.idVendor == vids[i] &&
-			dev->descriptor.idProduct == pids[i]) {
-			return true;
-		}
-	}
-	return false;
-}
-
-/* Returns true if the string descriptor indexed by str_index in device matches string */
-static bool string_descriptor_equal(usb_dev_handle *device, uint8_t str_index,
-									const char *string)
-{
-	int retval;
-	bool matched;
-	char desc_string[256+1]; /* Max size of string descriptor */
-
-	if (str_index == 0)
-		return false;
-
-	retval = usb_get_string_simple(device, str_index,
-			desc_string, sizeof(desc_string)-1);
-	if (retval < 0) {
-		LOG_ERROR("usb_get_string_simple() failed with %d", retval);
-		return false;
-	}
-
-	/* Null terminate descriptor string in case it needs to be logged. */
-	desc_string[sizeof(desc_string)-1] = '\0';
-
-	matched = strncmp(string, desc_string, sizeof(desc_string)) == 0;
-	if (!matched)
-		LOG_DEBUG("Device serial number '%s' doesn't match requested serial '%s'",
-			desc_string, string);
-	return matched;
-}
-
-int jtag_libusb_open(const uint16_t vids[], const uint16_t pids[],
-		const char *serial,
-		struct jtag_libusb_device_handle **out)
-{
-	int retval = ERROR_FAIL;
-	bool serial_mismatch = false;
-	struct jtag_libusb_device_handle *libusb_handle;
-	usb_init();
-
-	usb_find_busses();
-	usb_find_devices();
-
-	struct usb_bus *busses = usb_get_busses();
-	for (struct usb_bus *bus = busses; bus; bus = bus->next) {
-		for (struct usb_device *dev = bus->devices;
-				dev; dev = dev->next) {
-			if (!jtag_libusb_match(dev, vids, pids))
-				continue;
-
-			libusb_handle = usb_open(dev);
-			if (NULL == libusb_handle) {
-				LOG_ERROR("usb_open() failed with %s", usb_strerror());
-				continue;
-			}
-
-			/* Device must be open to use libusb_get_string_descriptor_ascii. */
-			if (serial != NULL &&
-					!string_descriptor_equal(libusb_handle, dev->descriptor.iSerialNumber, serial)) {
-				serial_mismatch = true;
-				usb_close(libusb_handle);
-				continue;
-			}
-			*out = libusb_handle;
-			retval = ERROR_OK;
-			serial_mismatch = false;
-			break;
-		}
-	}
-
-	if (serial_mismatch)
-		LOG_INFO("No device matches the serial string");
-
-	return retval;
-}
-
-void jtag_libusb_close(jtag_libusb_device_handle *dev)
-{
-	/* Close device */
-	usb_close(dev);
-}
-
-int jtag_libusb_control_transfer(jtag_libusb_device_handle *dev, uint8_t requestType,
-		uint8_t request, uint16_t wValue, uint16_t wIndex, char *bytes,
-		uint16_t size, unsigned int timeout)
-{
-	int transferred = 0;
-
-	transferred = usb_control_msg(dev, requestType, request, wValue, wIndex,
-				bytes, size, timeout);
-
-	if (transferred < 0)
-		transferred = 0;
-
-	return transferred;
-}
-
-int jtag_libusb_bulk_write(jtag_libusb_device_handle *dev, int ep, char *bytes,
-		int size, int timeout, int *transferred)
-{
-	int ret;
-
-	*transferred = 0;
-
-	ret = usb_bulk_write(dev, ep, bytes, size, timeout);
-
-	if (ret < 0) {
-		LOG_ERROR("usb_bulk_write error: %i", ret);
-		return jtag_libusb_error(ret);
-	}
-
-	return ERROR_OK;
-}
-
-int jtag_libusb_bulk_read(jtag_libusb_device_handle *dev, int ep, char *bytes,
-		int size, int timeout, int *transferred)
-{
-	int ret;
-
-	*transferred = 0;
-
-	ret = usb_bulk_read(dev, ep, bytes, size, timeout);
-
-	if (ret < 0) {
-		LOG_ERROR("usb_bulk_read error: %i", ret);
-		return jtag_libusb_error(ret);
-	}
-
-	return ERROR_OK;
-}
-
-int jtag_libusb_set_configuration(jtag_libusb_device_handle *devh,
-		int configuration)
-{
-	struct jtag_libusb_device *udev = jtag_libusb_get_device(devh);
-
-	return usb_set_configuration(devh,
-			udev->config[configuration].bConfigurationValue);
-}
-
-int jtag_libusb_choose_interface(struct jtag_libusb_device_handle *devh,
-		unsigned int *usb_read_ep,
-		unsigned int *usb_write_ep,
-		int bclass, int subclass, int protocol, int trans_type)
-{
-	struct jtag_libusb_device *udev = jtag_libusb_get_device(devh);
-	struct usb_interface *iface = udev->config->interface;
-	struct usb_interface_descriptor *desc = iface->altsetting;
-
-	*usb_read_ep = *usb_write_ep = 0;
-
-	for (int i = 0; i < desc->bNumEndpoints; i++) {
-		if ((bclass > 0 && desc->bInterfaceClass != bclass) ||
-		    (subclass > 0 && desc->bInterfaceSubClass != subclass) ||
-		    (protocol > 0 && desc->bInterfaceProtocol != protocol) ||
-		    (trans_type > 0 && (desc->endpoint[i].bmAttributes & 0x3) != trans_type))
-			continue;
-
-		uint8_t epnum = desc->endpoint[i].bEndpointAddress;
-		bool is_input = epnum & 0x80;
-		LOG_DEBUG("usb ep %s %02x", is_input ? "in" : "out", epnum);
-		if (is_input)
-			*usb_read_ep = epnum;
-		else
-			*usb_write_ep = epnum;
-
-		if (*usb_read_ep && *usb_write_ep) {
-			LOG_DEBUG("Claiming interface %d", (int)desc->bInterfaceNumber);
-			usb_claim_interface(devh, (int)desc->bInterfaceNumber);
-			return ERROR_OK;
-		}
-	}
-
-	return ERROR_FAIL;
-}
-
-int jtag_libusb_get_pid(struct jtag_libusb_device *dev, uint16_t *pid)
-{
-	if (!dev)
-		return ERROR_FAIL;
-
-	*pid = dev->descriptor.idProduct;
-	return ERROR_OK;
-}
diff --git a/src/jtag/drivers/libusb0_common.h b/src/jtag/drivers/libusb0_common.h
deleted file mode 100644
index 6f632c46..00000000
--- a/src/jtag/drivers/libusb0_common.h
+++ /dev/null
@@ -1,74 +0,0 @@
-/***************************************************************************
- *   Copyright (C) 2009 by Zachary T Welch <zw@superlucidity.net>          *
- *                                                                         *
- *   Copyright (C) 2011 by Mauro Gamba <maurillo71@gmail.com>              *
- *                                                                         *
- *   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, see <http://www.gnu.org/licenses/>. *
- ***************************************************************************/
-
-#ifndef OPENOCD_JTAG_DRIVERS_LIBUSB0_COMMON_H
-#define OPENOCD_JTAG_DRIVERS_LIBUSB0_COMMON_H
-
-#include <usb.h>
-
-#define jtag_libusb_device			usb_device
-#define jtag_libusb_device_handle		usb_dev_handle
-#define jtag_libusb_device_descriptor		usb_device_descriptor
-#define jtag_libusb_interface			usb_interface
-#define jtag_libusb_interface_descriptor	usb_interface_descriptor
-#define jtag_libusb_endpoint_descriptor		usb_endpoint_descriptor
-#define jtag_libusb_config_descriptor		usb_config_descriptor
-
-#define jtag_libusb_reset_device(dev)		usb_reset(dev)
-#define jtag_libusb_get_device(devh)		usb_device(devh)
-
-/* make some defines compatible to libusb1 */
-#define LIBUSB_REQUEST_TYPE_VENDOR		USB_TYPE_VENDOR
-#define LIBUSB_RECIPIENT_DEVICE			USB_RECIP_DEVICE
-#define LIBUSB_ENDPOINT_OUT				USB_ENDPOINT_OUT
-#define LIBUSB_ENDPOINT_IN				USB_ENDPOINT_IN
-#define LIBUSB_TRANSFER_TYPE_BULK		USB_ENDPOINT_TYPE_BULK
-
-static inline int jtag_libusb_claim_interface(jtag_libusb_device_handle *devh,
-				       int iface)
-{
-	return usb_claim_interface(devh, iface);
-};
-
-static inline int jtag_libusb_release_interface(jtag_libusb_device_handle *devh,
-				       int iface)
-{
-	return usb_release_interface(devh, iface);
-}
-
-int jtag_libusb_open(const uint16_t vids[], const uint16_t pids[],
-		const char *serial,
-		struct jtag_libusb_device_handle **out);
-void jtag_libusb_close(jtag_libusb_device_handle *dev);
-int jtag_libusb_control_transfer(jtag_libusb_device_handle *dev,
-		uint8_t requestType, uint8_t request, uint16_t wValue,
-		uint16_t wIndex, char *bytes,	uint16_t size, unsigned int timeout);
-int jtag_libusb_bulk_write(struct jtag_libusb_device_handle *dev, int ep,
-		char *bytes, int size, int timeout, int *transferred);
-int jtag_libusb_bulk_read(struct jtag_libusb_device_handle *dev, int ep,
-		char *bytes, int size, int timeout, int *transferred);
-int jtag_libusb_set_configuration(jtag_libusb_device_handle *devh,
-		int configuration);
-int jtag_libusb_choose_interface(struct jtag_libusb_device_handle *devh,
-		unsigned int *usb_read_ep,
-		unsigned int *usb_write_ep,
-		int bclass, int subclass, int protocol, int trans_type);
-int jtag_libusb_get_pid(struct jtag_libusb_device *dev, uint16_t *pid);
-
-#endif /* OPENOCD_JTAG_DRIVERS_LIBUSB0_COMMON_H */
diff --git a/src/jtag/drivers/libusb_common.h b/src/jtag/drivers/libusb_common.h
index 599a0a9b..47aca5d9 100644
--- a/src/jtag/drivers/libusb_common.h
+++ b/src/jtag/drivers/libusb_common.h
@@ -20,8 +20,6 @@
 
 #ifdef HAVE_LIBUSB1
 #include "libusb1_common.h"
-#else
-#include "libusb0_common.h"
 #endif
 
 #endif /* OPENOCD_JTAG_DRIVERS_LIBUSB_COMMON_H */