[usb-driver] / xpcu.c

#include <stdio.h>
#include <stdlib.h>
#include <unistd.h>
#include <string.h>
#include <strings.h>
#include <usb.h>
#include <errno.h>
#include <pthread.h>
#include <stdint.h>
#include "usb-driver.h"
#include "xpcu.h"

struct xpcu_s {
	struct usb_device *dev;
	usb_dev_handle *handle;
	int interface;
	int alternate;
	unsigned long card_type;
};

struct xpcu_event_s {
	struct xpcu_s *xpcu;
	int count;
	int interrupt_count;
	pthread_mutex_t interrupt;
};

static struct usb_bus *busses = NULL;

int xpcu_deviceinfo(struct usb_get_device_data *ugdd) {
	struct xpcu_s *xpcu = (struct xpcu_s*)ugdd->dwUniqueID;
	int i,j,k,l;
	int len = 0;
	unsigned char *buf = NULL;
	WDU_CONFIGURATION **pConfigs, **pActiveConfig;
	WDU_INTERFACE **pActiveInterface;

	if (!xpcu)
		return -ENODEV;

	if (ugdd->dwBytes)
		buf = ugdd->pBuf;

	if (buf) {
		struct usb_device_info *udi = (struct usb_device_info*)(buf+len);

		udi->Descriptor.bLength = sizeof(WDU_DEVICE_DESCRIPTOR);
		udi->Descriptor.bDescriptorType = xpcu->dev->descriptor.bDescriptorType;
		udi->Descriptor.bcdUSB = xpcu->dev->descriptor.bcdUSB;
		udi->Descriptor.bDeviceClass = xpcu->dev->descriptor.bDeviceClass;
		udi->Descriptor.bDeviceSubClass = xpcu->dev->descriptor.bDeviceSubClass;
		udi->Descriptor.bDeviceProtocol = xpcu->dev->descriptor.bDeviceProtocol;
		udi->Descriptor.bMaxPacketSize0 = xpcu->dev->descriptor.bMaxPacketSize0;
		udi->Descriptor.idVendor = xpcu->dev->descriptor.idVendor;
		udi->Descriptor.idProduct = xpcu->dev->descriptor.idProduct;
		udi->Descriptor.bcdDevice = xpcu->dev->descriptor.bcdDevice;
		udi->Descriptor.iManufacturer = xpcu->dev->descriptor.iManufacturer;
		udi->Descriptor.iProduct = xpcu->dev->descriptor.iProduct;
		udi->Descriptor.iSerialNumber = xpcu->dev->descriptor.iSerialNumber;
		udi->Descriptor.bNumConfigurations = xpcu->dev->descriptor.bNumConfigurations;

		/* TODO: Fix Pipe0! */
		udi->Pipe0.dwNumber = 0x00;
		udi->Pipe0.dwMaximumPacketSize = xpcu->dev->descriptor.bMaxPacketSize0;
		udi->Pipe0.type = 0;
		udi->Pipe0.direction = WDU_DIR_IN_OUT;
		udi->Pipe0.dwInterval = 0;

		pConfigs = &(udi->pConfigs);
		pActiveConfig = &(udi->pActiveConfig);
		pActiveInterface = &(udi->pActiveInterface[0]);
	}

	len = sizeof(struct usb_device_info);

	for (i=0; i<xpcu->dev->descriptor.bNumConfigurations; i++)
	{
		struct usb_config_descriptor *conf_desc = &xpcu->dev->config[i];
		WDU_INTERFACE **pInterfaces;
		WDU_ALTERNATE_SETTING **pAlternateSettings[conf_desc->bNumInterfaces];
		WDU_ALTERNATE_SETTING **pActiveAltSetting[conf_desc->bNumInterfaces];

		if (buf) {
			WDU_CONFIGURATION *cfg = (WDU_CONFIGURATION*)(buf+len);

			*pConfigs = cfg;
			*pActiveConfig = cfg;

			cfg->Descriptor.bLength = conf_desc->bLength;
			cfg->Descriptor.bDescriptorType = conf_desc->bDescriptorType;
			cfg->Descriptor.wTotalLength = conf_desc->wTotalLength;
			cfg->Descriptor.bNumInterfaces = conf_desc->bNumInterfaces;
			cfg->Descriptor.bConfigurationValue = conf_desc->bConfigurationValue;
			cfg->Descriptor.iConfiguration = conf_desc->iConfiguration;
			cfg->Descriptor.bmAttributes = conf_desc->bmAttributes;
			cfg->Descriptor.MaxPower = conf_desc->MaxPower;

			cfg->dwNumInterfaces = conf_desc->bNumInterfaces;

			pInterfaces = &(cfg->pInterfaces);
		}
		len += sizeof(WDU_CONFIGURATION);

		if (buf) {
			*pInterfaces = (WDU_INTERFACE*)(buf+len);
			for (j=0; j<conf_desc->bNumInterfaces; j++) {
				WDU_INTERFACE *iface = (WDU_INTERFACE*)(buf+len);

				pActiveInterface[j] = iface;

				pAlternateSettings[j] = &(iface->pAlternateSettings);
				iface->dwNumAltSettings = xpcu->dev->config[i].interface[j].num_altsetting;
				pActiveAltSetting[j] = &(iface->pActiveAltSetting);

				len += sizeof(WDU_INTERFACE);
			}
		} else {
			len += sizeof(WDU_INTERFACE) * conf_desc->bNumInterfaces;
		}

		for (j=0; j<conf_desc->bNumInterfaces; j++)
		{
			struct usb_interface *interface = &xpcu->dev->config[i].interface[j];

			if (buf) {
				*pAlternateSettings[j] = (WDU_ALTERNATE_SETTING*)(buf+len);
				/* FIXME: */
				*pActiveAltSetting[j] = (WDU_ALTERNATE_SETTING*)(buf+len);
			}

			for(k=0; k<interface->num_altsetting; k++)
			{
				unsigned char bNumEndpoints = interface->altsetting[k].bNumEndpoints;
				WDU_ENDPOINT_DESCRIPTOR **pEndpointDescriptors;
				WDU_PIPE_INFO **pPipes;

				if (buf) {
					WDU_ALTERNATE_SETTING *altset = (WDU_ALTERNATE_SETTING*)(buf+len);

					altset->Descriptor.bLength = interface->altsetting[k].bLength;
					altset->Descriptor.bDescriptorType = interface->altsetting[k].bDescriptorType;
					altset->Descriptor.bInterfaceNumber = interface->altsetting[k].bInterfaceNumber;
					altset->Descriptor.bAlternateSetting = interface->altsetting[k].bAlternateSetting;
					altset->Descriptor.bNumEndpoints = interface->altsetting[k].bNumEndpoints;
					altset->Descriptor.bInterfaceClass = interface->altsetting[k].bInterfaceClass;
					altset->Descriptor.bInterfaceSubClass = interface->altsetting[k].bInterfaceSubClass;
					altset->Descriptor.bInterfaceProtocol = interface->altsetting[k].bInterfaceProtocol;
					altset->Descriptor.iInterface = interface->altsetting[k].iInterface;
					pEndpointDescriptors = &(altset->pEndpointDescriptors);
					pPipes = &(altset->pPipes);

				}
				len +=sizeof(WDU_ALTERNATE_SETTING);

				if (buf) {
					*pEndpointDescriptors = (WDU_ENDPOINT_DESCRIPTOR*)(buf+len);
					for (l = 0; l < bNumEndpoints; l++) {
						WDU_ENDPOINT_DESCRIPTOR *ed = (WDU_ENDPOINT_DESCRIPTOR*)(buf+len);

						ed->bLength = interface->altsetting[k].endpoint[l].bLength;
						ed->bDescriptorType = interface->altsetting[k].endpoint[l].bDescriptorType;
						ed->bEndpointAddress = interface->altsetting[k].endpoint[l].bEndpointAddress;
						ed->bmAttributes = interface->altsetting[k].endpoint[l].bmAttributes;
						ed->wMaxPacketSize = interface->altsetting[k].endpoint[l].wMaxPacketSize;
						ed->bInterval = interface->altsetting[k].endpoint[l].bInterval;

						len += sizeof(WDU_ENDPOINT_DESCRIPTOR);
					}
						
					*pPipes = (WDU_PIPE_INFO*)(buf+len);
					for (l = 0; l < bNumEndpoints; l++) {
						WDU_PIPE_INFO *pi = (WDU_PIPE_INFO*)(buf+len);

						pi->dwNumber = interface->altsetting[k].endpoint[l].bEndpointAddress;
						pi->dwMaximumPacketSize = WDU_GET_MAX_PACKET_SIZE(interface->altsetting[k].endpoint[l].wMaxPacketSize);
						pi->type = interface->altsetting[k].endpoint[l].bmAttributes & USB_ENDPOINT_TYPE_MASK;
						if (pi->type == PIPE_TYPE_CONTROL)
							pi->direction = WDU_DIR_IN_OUT;
						else
						{
							pi->direction = interface->altsetting[k].endpoint[l].bEndpointAddress & USB_ENDPOINT_DIR_MASK ?  WDU_DIR_IN : WDU_DIR_OUT;
						}

						pi->dwInterval = interface->altsetting[k].endpoint[l].bInterval;

						len += sizeof(WDU_PIPE_INFO);
					}
				} else {
					len +=(sizeof(WDU_ENDPOINT_DESCRIPTOR)+sizeof(WDU_PIPE_INFO))*bNumEndpoints;
				}
			}
		}
	}

	ugdd->dwBytes = len;

	return 0;
}

static int xpcu_claim(struct xpcu_s *xpcu, int claim) {
	int ret = 0;
	static int claimed = 0;

	if (xpcu->interface < 0)
		return -1;
	
	if (claim == XPCU_CLAIM) {
		if (claimed)
			return 0;

		ret = usb_claim_interface(xpcu->handle, xpcu->interface);
		if (!ret) {
			claimed = 1;
			ret = usb_set_altinterface(xpcu->handle, xpcu->alternate);
			if (ret)
				fprintf(stderr, "usb_set_altinterface: %d\n", ret);
		} else {
			fprintf(stderr, "usb_claim_interface: %d -> %d (%s)\n",
					xpcu->interface, ret, usb_strerror());
		}
	} else {
		if (!claimed)
			return 0;

#if 0
		ret = usb_release_interface(xpcu->handle, xpcu->interface);
		if (!ret)
			claimed = 0;
#endif
	}

	return ret;
}

int xpcu_transfer(struct usb_transfer *ut) {
	struct xpcu_s *xpcu = (struct xpcu_s*)ut->dwUniqueID;
	int ret = 0;

	if (!xpcu)
		return -ENODEV;

	xpcu_claim(xpcu, XPCU_CLAIM);
	/* http://www.jungo.com/support/documentation/windriver/802/wdusb_man_mhtml/node55.html#SECTION001213000000000000000 */
	if (ut->dwPipeNum == 0) { /* control pipe */
		int requesttype, request, value, index, size;
		requesttype = ut->SetupPacket[0];
		request = ut->SetupPacket[1];
		value = ut->SetupPacket[2] | (ut->SetupPacket[3] << 8);
		index = ut->SetupPacket[4] | (ut->SetupPacket[5] << 8);
		size = ut->SetupPacket[6] | (ut->SetupPacket[7] << 8);
		DPRINTF("-> requesttype: %x, request: %x, value: %u, index: %u, size: %u\n", requesttype, request, value, index, size);
		ret = usb_control_msg(xpcu->handle, requesttype, request, value, index, ut->pBuffer, size, ut->dwTimeout);
	} else {
		if (ut->fRead) {
			ret = usb_bulk_read(xpcu->handle, ut->dwPipeNum, ut->pBuffer, ut->dwBufferSize, ut->dwTimeout);
		} else {
			ret = usb_bulk_write(xpcu->handle, ut->dwPipeNum, ut->pBuffer, ut->dwBufferSize, ut->dwTimeout);
		}
		xpcu_claim(xpcu, XPCU_RELEASE);
	}

	if (ret < 0) {
		fprintf(stderr, "usb_transfer: %d (%s)\n", ret, usb_strerror());
	} else {
		ut->dwBytesTransferred = ret;
		ret = 0;
	}

	return ret;
}

int xpcu_set_interface(struct usb_set_interface *usi) {
	struct xpcu_s *xpcu = (struct xpcu_s*)usi->dwUniqueID;

	if (!xpcu)
		return -ENODEV;

	if (xpcu->dev) {
		if (!xpcu->handle) {
			xpcu->handle = usb_open(xpcu->dev);
#ifndef NO_USB_RESET
			if (xpcu->handle) {
				usb_reset(xpcu->handle);
				xpcu->handle = usb_open(xpcu->dev);
			}
#endif
		}

		xpcu->interface = xpcu->dev->config[0].interface[usi->dwInterfaceNum].altsetting[usi->dwAlternateSetting].bInterfaceNumber;
		xpcu->alternate = usi->dwAlternateSetting;
	}

	return 0;
}

static void xpcu_init(void) {
	if (busses)
		return;

	usb_init();
	usb_find_busses();
	usb_find_devices();

	busses = usb_get_busses();
}


int xpcu_find(struct event *e) {
	struct xpcu_event_s *xpcu_event = NULL;
	struct xpcu_s *xpcu = NULL;
	char* usbdev;
	struct usb_bus *bus;
	int busnum = -1, devnum = -1;
	int i;

	e->handle = (unsigned long)NULL;

	xpcu_init();

	usbdev = getenv("XILINX_USB_DEV");
	if (usbdev != NULL) {
		int j;
		char *devstr = NULL, *remainder;
		char *devpos;

		devpos = strdup(usbdev);
		if (!devpos)
			return -ENOMEM;

		DPRINTF("XILINX_USB_DEV=%s\n", devpos);

		for (j = 0; j < strlen(devpos) && devpos[j] != 0; j++) {
			if (devpos[j] == ':') {
				devpos[j] = 0;
				devstr = &(devpos[j+1]);
			}
		}

		if (devstr && strlen(devstr) > 0) {
			busnum = strtol(devpos, &remainder, 10);
			if (devpos == remainder) {
				busnum = -1;
			} else {
				devnum = strtol(devstr, &remainder, 10);
				if (devstr == remainder) {
					busnum = -1;
					devnum = -1;
				} else {
					fprintf(stderr,"Using XILINX platform cable USB at %03d:%03d\n",
							busnum, devnum);
				}
			}
		}
		free(devpos);
	}

	xpcu_event = malloc(sizeof(struct xpcu_event_s));
	if (!xpcu_event)
		return -ENOMEM;

	bzero(xpcu_event, sizeof(struct xpcu_event_s));
	xpcu_event->xpcu = NULL;
	xpcu_event->count = 0;
	xpcu_event->interrupt_count = 0;
	pthread_mutex_init(&xpcu_event->interrupt, NULL);

	for (i = 0; i < e->dwNumMatchTables; i++) {

		DPRINTF("match: dev: %04x:%04x, class: %x, subclass: %x, intclass: %x, intsubclass: %x, intproto: %x\n",
				e->matchTables[i].VendorId,
				e->matchTables[i].ProductId,
				e->matchTables[i].bDeviceClass,
				e->matchTables[i].bDeviceSubClass,
				e->matchTables[i].bInterfaceClass,
				e->matchTables[i].bInterfaceSubClass,
				e->matchTables[i].bInterfaceProtocol);

		for (bus = busses; bus; bus = bus->next) {
			struct usb_device *dev;

			if ((devnum != -1) && (strtol(bus->dirname, NULL, 10) != busnum))
				continue;

			for (dev = bus->devices; dev; dev = dev->next) {
				struct usb_device_descriptor *desc = &(dev->descriptor);

				if((desc->idVendor == e->matchTables[i].VendorId) &&
						(desc->idProduct == e->matchTables[i].ProductId) &&
						(desc->bDeviceClass == e->matchTables[i].bDeviceClass) &&
						(desc->bDeviceSubClass == e->matchTables[i].bDeviceSubClass) &&
						((devnum == -1) || (strtol(dev->filename, NULL, 10) == devnum)) ) {
					int ac;
					for (ac = 0; ac < desc->bNumConfigurations; ac++) {
						struct usb_interface *interface = dev->config[ac].interface;
						int ai;

						for (ai = 0; ai < interface->num_altsetting; ai++) {

							DPRINTF("intclass: %x, intsubclass: %x, intproto: %x\n",
									interface->altsetting[i].bInterfaceClass,
									interface->altsetting[i].bInterfaceSubClass,
									interface->altsetting[i].bInterfaceProtocol);

							if ((interface->altsetting[ai].bInterfaceSubClass == e->matchTables[i].bInterfaceSubClass) &&
									(interface->altsetting[ai].bInterfaceProtocol == e->matchTables[i].bInterfaceProtocol)){
								int n = xpcu_event->count;

								/* TODO: check interfaceClass! */
								DPRINTF("found device with libusb\n");

								xpcu = realloc(xpcu, sizeof(struct xpcu_s) * (++xpcu_event->count));
								if (!xpcu) {
									free(xpcu_event);
									return -ENOMEM;
								}

								bzero(&(xpcu[n]), sizeof(struct xpcu_s));
								xpcu[n].interface = -1;
								xpcu[n].alternate = -1;
								xpcu[n].dev = dev;
								xpcu[n].card_type = e->dwCardType;

								xpcu_event->xpcu = xpcu;
							}
						}
					}
				}
			}
		}
	}

	e->handle = (unsigned long)xpcu_event;

	return 0;
}

int xpcu_found(struct event *e) {
	struct xpcu_event_s *xpcu_event = (struct xpcu_event_s*)e->handle;
	struct xpcu_s *xpcu = NULL;

	if (xpcu_event && xpcu_event->count && (xpcu_event->interrupt_count <= xpcu_event->count))
		xpcu = &(xpcu_event->xpcu[xpcu_event->interrupt_count-1]);

	if (xpcu && xpcu->dev) {
		struct usb_interface *interface = xpcu->dev->config->interface;

		e->dwCardType = xpcu->card_type;
		e->dwAction = 1;
		e->dwEventId = 1;
		e->u.Usb.dwUniqueID = (unsigned long)xpcu;
		e->matchTables[0].VendorId = xpcu->dev->descriptor.idVendor;
		e->matchTables[0].ProductId = xpcu->dev->descriptor.idProduct;
		e->matchTables[0].bDeviceClass = xpcu->dev->descriptor.bDeviceClass;
		e->matchTables[0].bDeviceSubClass = xpcu->dev->descriptor.bDeviceSubClass;
		e->matchTables[0].bInterfaceClass = interface->altsetting[0].bInterfaceClass;
		e->matchTables[0].bInterfaceSubClass = interface->altsetting[0].bInterfaceSubClass;
		e->matchTables[0].bInterfaceProtocol = interface->altsetting[0].bInterfaceProtocol;
	}

	return 0;
}

int xpcu_close(struct event *e) {
	struct xpcu_event_s *xpcu_event = (struct xpcu_event_s*)e->handle;

	if (!xpcu_event)
		return -ENODEV;

	if(xpcu_event) {
		struct  xpcu_s *xpcu;
		int i;

		for (i = 0; i < xpcu_event->count; i++) {
			xpcu = &(xpcu_event->xpcu[i]);
			if (xpcu->handle) {
				xpcu_claim(xpcu, XPCU_RELEASE);
				usb_close(xpcu->handle);
			}
		}

		if (xpcu_event->xpcu)
			free(xpcu_event->xpcu);

		busses = NULL;
		free(xpcu_event);
	}

	return 0;
}

int xpcu_int_state(struct interrupt *it, int enable) {
	struct xpcu_event_s *xpcu_event = (struct xpcu_event_s*)it->hInterrupt;

	if (!xpcu_event)
		return -ENODEV;
	
	if (enable == ENABLE_INTERRUPT) {
		it->fEnableOk = 1;
		it->fStopped = 0;
		it->dwCounter = 0;
		pthread_mutex_trylock(&xpcu_event->interrupt);
	} else {
		it->dwCounter = 0;
		it->fStopped = 1;
		if (pthread_mutex_trylock(&xpcu_event->interrupt) == EBUSY)
			pthread_mutex_unlock(&xpcu_event->interrupt);
	}

	return 0;
}

int xpcu_int_wait(struct interrupt *it) {
	struct xpcu_event_s *xpcu_event = (struct xpcu_event_s*)it->hInterrupt;

	if (!xpcu_event)
		return -ENODEV;

	if (it->dwCounter < xpcu_event->count) {
		it->dwCounter++;
	} else {
		pthread_mutex_lock(&xpcu_event->interrupt);
		pthread_mutex_unlock(&xpcu_event->interrupt);
	}
	xpcu_event->interrupt_count++;

	return 0;
}
Commit	Line	Data
cbfa0ac6 MG	1	#include <stdio.h>
	2	#include <stdlib.h>
	3	#include <unistd.h>
f92c0fbc	4	#include <string.h>
cbfa0ac6 MG	5	#include <strings.h>
cbfa0ac6 MG	6	#include <usb.h>
f92c0fbc	7	#include <errno.h>
501f1c21	8	#include <pthread.h>
787300f6	9	#include <stdint.h>
cbfa0ac6	10	#include "usb-driver.h"
6c235d59	11	#include "xpcu.h"
cbfa0ac6	12
19acdb82 MG	13	struct xpcu_s {
	14	struct usb_device *dev;
	15	usb_dev_handle *handle;
	16	int interface;
	17	int alternate;
	18	unsigned long card_type;
9bfaca62 MG	19	};
	20
	21	struct xpcu_event_s {
	22	struct xpcu_s *xpcu;
	23	int count;
	24	int interrupt_count;
19acdb82 MG	25	pthread_mutex_t interrupt;
	26	};
	27
f92c0fbc MG	28	static struct usb_bus *busses = NULL;
f92c0fbc MG	29
19acdb82 MG	30	int xpcu_deviceinfo(struct usb_get_device_data *ugdd) {
19acdb82 MG	31	struct xpcu_s xpcu = (struct xpcu_s)ugdd->dwUniqueID;
cbfa0ac6 MG	32	int i,j,k,l;
cbfa0ac6 MG	33	int len = 0;
f92c0fbc	34	unsigned char *buf = NULL;
cbfa0ac6 MG	35	WDU_CONFIGURATION pConfigs, pActiveConfig;
	36	WDU_INTERFACE **pActiveInterface;
	37
8af4d910 MG	38	if (!xpcu)
8af4d910 MG	39	return -ENODEV;
f92c0fbc MG	40
	41	if (ugdd->dwBytes)
	42	buf = ugdd->pBuf;
	43
cbfa0ac6 MG	44	if (buf) {
	45	struct usb_device_info udi = (struct usb_device_info)(buf+len);
	46
	47	udi->Descriptor.bLength = sizeof(WDU_DEVICE_DESCRIPTOR);
	48	udi->Descriptor.bDescriptorType = xpcu->dev->descriptor.bDescriptorType;
	49	udi->Descriptor.bcdUSB = xpcu->dev->descriptor.bcdUSB;
	50	udi->Descriptor.bDeviceClass = xpcu->dev->descriptor.bDeviceClass;
	51	udi->Descriptor.bDeviceSubClass = xpcu->dev->descriptor.bDeviceSubClass;
	52	udi->Descriptor.bDeviceProtocol = xpcu->dev->descriptor.bDeviceProtocol;
	53	udi->Descriptor.bMaxPacketSize0 = xpcu->dev->descriptor.bMaxPacketSize0;
	54	udi->Descriptor.idVendor = xpcu->dev->descriptor.idVendor;
	55	udi->Descriptor.idProduct = xpcu->dev->descriptor.idProduct;
	56	udi->Descriptor.bcdDevice = xpcu->dev->descriptor.bcdDevice;
	57	udi->Descriptor.iManufacturer = xpcu->dev->descriptor.iManufacturer;
	58	udi->Descriptor.iProduct = xpcu->dev->descriptor.iProduct;
	59	udi->Descriptor.iSerialNumber = xpcu->dev->descriptor.iSerialNumber;
	60	udi->Descriptor.bNumConfigurations = xpcu->dev->descriptor.bNumConfigurations;
	61
	62	/* TODO: Fix Pipe0! */
	63	udi->Pipe0.dwNumber = 0x00;
	64	udi->Pipe0.dwMaximumPacketSize = xpcu->dev->descriptor.bMaxPacketSize0;
	65	udi->Pipe0.type = 0;
	66	udi->Pipe0.direction = WDU_DIR_IN_OUT;
	67	udi->Pipe0.dwInterval = 0;
	68
	69	pConfigs = &(udi->pConfigs);
	70	pActiveConfig = &(udi->pActiveConfig);
	71	pActiveInterface = &(udi->pActiveInterface[0]);
	72	}
	73
	74	len = sizeof(struct usb_device_info);
	75
	76	for (i=0; i<xpcu->dev->descriptor.bNumConfigurations; i++)
	77	{
	78	struct usb_config_descriptor *conf_desc = &xpcu->dev->config[i];
	79	WDU_INTERFACE **pInterfaces;
	80	WDU_ALTERNATE_SETTING **pAlternateSettings[conf_desc->bNumInterfaces];
	81	WDU_ALTERNATE_SETTING **pActiveAltSetting[conf_desc->bNumInterfaces];
	82
	83	if (buf) {
	84	WDU_CONFIGURATION cfg = (WDU_CONFIGURATION)(buf+len);
	85
	86	*pConfigs = cfg;
	87	*pActiveConfig = cfg;
	88
	89	cfg->Descriptor.bLength = conf_desc->bLength;
	90	cfg->Descriptor.bDescriptorType = conf_desc->bDescriptorType;
	91	cfg->Descriptor.wTotalLength = conf_desc->wTotalLength;
	92	cfg->Descriptor.bNumInterfaces = conf_desc->bNumInterfaces;
	93	cfg->Descriptor.bConfigurationValue = conf_desc->bConfigurationValue;
	94	cfg->Descriptor.iConfiguration = conf_desc->iConfiguration;
	95	cfg->Descriptor.bmAttributes = conf_desc->bmAttributes;
	96	cfg->Descriptor.MaxPower = conf_desc->MaxPower;
	97
	98	cfg->dwNumInterfaces = conf_desc->bNumInterfaces;
	99
	100	pInterfaces = &(cfg->pInterfaces);
	101	}
	102	len += sizeof(WDU_CONFIGURATION);
	103
	104	if (buf) {
	105	pInterfaces = (WDU_INTERFACE)(buf+len);
	106	for (j=0; j<conf_desc->bNumInterfaces; j++) {
	107	WDU_INTERFACE iface = (WDU_INTERFACE)(buf+len);
108
109	pActiveInterface[j] = iface;
110
111	pAlternateSettings[j] = &(iface->pAlternateSettings);
112	iface->dwNumAltSettings = xpcu->dev->config[i].interface[j].num_altsetting;
113	pActiveAltSetting[j] = &(iface->pActiveAltSetting);
114
115	len += sizeof(WDU_INTERFACE);
116	}
117	} else {
118	len += sizeof(WDU_INTERFACE) * conf_desc->bNumInterfaces;
119	}
120
121	for (j=0; j<conf_desc->bNumInterfaces; j++)
122	{
123	struct usb_interface *interface = &xpcu->dev->config[i].interface[j];
124
125	if (buf) {
126	pAlternateSettings[j] = (WDU_ALTERNATE_SETTING)(buf+len);
127	/* FIXME: */
128	pActiveAltSetting[j] = (WDU_ALTERNATE_SETTING)(buf+len);
129	}
130
131	for(k=0; k<interface->num_altsetting; k++)
132	{
133	unsigned char bNumEndpoints = interface->altsetting[k].bNumEndpoints;
134	WDU_ENDPOINT_DESCRIPTOR **pEndpointDescriptors;
135	WDU_PIPE_INFO **pPipes;
136
137	if (buf) {
138	WDU_ALTERNATE_SETTING altset = (WDU_ALTERNATE_SETTING)(buf+len);
139
140	altset->Descriptor.bLength = interface->altsetting[k].bLength;
141	altset->Descriptor.bDescriptorType = interface->altsetting[k].bDescriptorType;
142	altset->Descriptor.bInterfaceNumber = interface->altsetting[k].bInterfaceNumber;
143	altset->Descriptor.bAlternateSetting = interface->altsetting[k].bAlternateSetting;
144	altset->Descriptor.bNumEndpoints = interface->altsetting[k].bNumEndpoints;
145	altset->Descriptor.bInterfaceClass = interface->altsetting[k].bInterfaceClass;
146	altset->Descriptor.bInterfaceSubClass = interface->altsetting[k].bInterfaceSubClass;
147	altset->Descriptor.bInterfaceProtocol = interface->altsetting[k].bInterfaceProtocol;
148	altset->Descriptor.iInterface = interface->altsetting[k].iInterface;
149	pEndpointDescriptors = &(altset->pEndpointDescriptors);
150	pPipes = &(altset->pPipes);
151
152	}
153	len +=sizeof(WDU_ALTERNATE_SETTING);
154
155	if (buf) {
156	pEndpointDescriptors = (WDU_ENDPOINT_DESCRIPTOR)(buf+len);
157	for (l = 0; l < bNumEndpoints; l++) {
158	WDU_ENDPOINT_DESCRIPTOR ed = (WDU_ENDPOINT_DESCRIPTOR)(buf+len);
159
160	ed->bLength = interface->altsetting[k].endpoint[l].bLength;
161	ed->bDescriptorType = interface->altsetting[k].endpoint[l].bDescriptorType;
162	ed->bEndpointAddress = interface->altsetting[k].endpoint[l].bEndpointAddress;
163	ed->bmAttributes = interface->altsetting[k].endpoint[l].bmAttributes;
164	ed->wMaxPacketSize = interface->altsetting[k].endpoint[l].wMaxPacketSize;
165	ed->bInterval = interface->altsetting[k].endpoint[l].bInterval;
166
167	len += sizeof(WDU_ENDPOINT_DESCRIPTOR);
168	}
169
170	pPipes = (WDU_PIPE_INFO)(buf+len);
171	for (l = 0; l < bNumEndpoints; l++) {
172	WDU_PIPE_INFO pi = (WDU_PIPE_INFO)(buf+len);
173
174	pi->dwNumber = interface->altsetting[k].endpoint[l].bEndpointAddress;
175	pi->dwMaximumPacketSize = WDU_GET_MAX_PACKET_SIZE(interface->altsetting[k].endpoint[l].wMaxPacketSize);
176	pi->type = interface->altsetting[k].endpoint[l].bmAttributes & USB_ENDPOINT_TYPE_MASK;
177	if (pi->type == PIPE_TYPE_CONTROL)
178	pi->direction = WDU_DIR_IN_OUT;
179	else
180	{
181	pi->direction = interface->altsetting[k].endpoint[l].bEndpointAddress & USB_ENDPOINT_DIR_MASK ? WDU_DIR_IN : WDU_DIR_OUT;
182	}
183
184	pi->dwInterval = interface->altsetting[k].endpoint[l].bInterval;
185
186	len += sizeof(WDU_PIPE_INFO);
187	}
188	} else {
189	len +=(sizeof(WDU_ENDPOINT_DESCRIPTOR)+sizeof(WDU_PIPE_INFO))*bNumEndpoints;
190	}
191	}
192	}
193	}
194
8af4d910 MG	195	ugdd->dwBytes = len;
	196
	197	return 0;
cbfa0ac6 MG	198	}
cbfa0ac6 MG	199
6234190b	200	static int xpcu_claim(struct xpcu_s *xpcu, int claim) {
cbfa0ac6 MG	201	int ret = 0;
	202	static int claimed = 0;
	203
	204	if (xpcu->interface < 0)
	205	return -1;
	206
	207	if (claim == XPCU_CLAIM) {
	208	if (claimed)
	209	return 0;
	210
	211	ret = usb_claim_interface(xpcu->handle, xpcu->interface);
	212	if (!ret) {
	213	claimed = 1;
	214	ret = usb_set_altinterface(xpcu->handle, xpcu->alternate);
	215	if (ret)
	216	fprintf(stderr, "usb_set_altinterface: %d\n", ret);
	217	} else {
	218	fprintf(stderr, "usb_claim_interface: %d -> %d (%s)\n",
	219	xpcu->interface, ret, usb_strerror());
	220	}
	221	} else {
	222	if (!claimed)
	223	return 0;
	224
23138e94	225	#if 0
cbfa0ac6 MG	226	ret = usb_release_interface(xpcu->handle, xpcu->interface);
	227	if (!ret)
	228	claimed = 0;
23138e94	229	#endif
cbfa0ac6 MG	230	}
	231
	232	return ret;
	233	}
	234
19acdb82 MG	235	int xpcu_transfer(struct usb_transfer *ut) {
19acdb82 MG	236	struct xpcu_s xpcu = (struct xpcu_s)ut->dwUniqueID;
6c235d59 MG	237	int ret = 0;
6c235d59 MG	238
8af4d910 MG	239	if (!xpcu)
8af4d910 MG	240	return -ENODEV;
f92c0fbc	241
6c235d59 MG	242	xpcu_claim(xpcu, XPCU_CLAIM);
	243	/* http://www.jungo.com/support/documentation/windriver/802/wdusb_man_mhtml/node55.html#SECTION001213000000000000000 */
	244	if (ut->dwPipeNum == 0) { /* control pipe */
	245	int requesttype, request, value, index, size;
	246	requesttype = ut->SetupPacket[0];
	247	request = ut->SetupPacket[1];
	248	value = ut->SetupPacket[2] \| (ut->SetupPacket[3] << 8);
	249	index = ut->SetupPacket[4] \| (ut->SetupPacket[5] << 8);
	250	size = ut->SetupPacket[6] \| (ut->SetupPacket[7] << 8);
501f1c21	251	DPRINTF("-> requesttype: %x, request: %x, value: %u, index: %u, size: %u\n", requesttype, request, value, index, size);
6c235d59 MG	252	ret = usb_control_msg(xpcu->handle, requesttype, request, value, index, ut->pBuffer, size, ut->dwTimeout);
	253	} else {
	254	if (ut->fRead) {
	255	ret = usb_bulk_read(xpcu->handle, ut->dwPipeNum, ut->pBuffer, ut->dwBufferSize, ut->dwTimeout);
	256	} else {
	257	ret = usb_bulk_write(xpcu->handle, ut->dwPipeNum, ut->pBuffer, ut->dwBufferSize, ut->dwTimeout);
	258	}
	259	xpcu_claim(xpcu, XPCU_RELEASE);
	260	}
	261
	262	if (ret < 0) {
	263	fprintf(stderr, "usb_transfer: %d (%s)\n", ret, usb_strerror());
	264	} else {
	265	ut->dwBytesTransferred = ret;
	266	ret = 0;
	267	}
	268
	269	return ret;
	270	}
	271
19acdb82 MG	272	int xpcu_set_interface(struct usb_set_interface *usi) {
	273	struct xpcu_s xpcu = (struct xpcu_s)usi->dwUniqueID;
	274
8af4d910 MG	275	if (!xpcu)
8af4d910 MG	276	return -ENODEV;
f92c0fbc	277
0c2db148 MG	278	if (xpcu->dev) {
	279	if (!xpcu->handle) {
	280	xpcu->handle = usb_open(xpcu->dev);
	281	#ifndef NO_USB_RESET
	282	if (xpcu->handle) {
	283	usb_reset(xpcu->handle);
	284	xpcu->handle = usb_open(xpcu->dev);
	285	}
	286	#endif
	287	}
	288
	289	xpcu->interface = xpcu->dev->config[0].interface[usi->dwInterfaceNum].altsetting[usi->dwAlternateSetting].bInterfaceNumber;
	290	xpcu->alternate = usi->dwAlternateSetting;
	291	}
8af4d910 MG	292
8af4d910 MG	293	return 0;
0c2db148 MG	294	}
0c2db148 MG	295
f92c0fbc MG	296	static void xpcu_init(void) {
	297	if (busses)
	298	return;
	299
	300	usb_init();
	301	usb_find_busses();
	302	usb_find_devices();
	303
	304	busses = usb_get_busses();
	305	}
	306
	307
19acdb82	308	int xpcu_find(struct event *e) {
9bfaca62	309	struct xpcu_event_s *xpcu_event = NULL;
19acdb82	310	struct xpcu_s *xpcu = NULL;
8949e420	311	char* usbdev;
f92c0fbc MG	312	struct usb_bus *bus;
	313	int busnum = -1, devnum = -1;
	314	int i;
cbfa0ac6	315
9bfaca62 MG	316	e->handle = (unsigned long)NULL;
9bfaca62 MG	317
f92c0fbc MG	318	xpcu_init();
f92c0fbc MG	319
8949e420 MG	320	usbdev = getenv("XILINX_USB_DEV");
8949e420 MG	321	if (usbdev != NULL) {
f92c0fbc MG	322	int j;
f92c0fbc MG	323	char devstr = NULL, remainder;
8949e420 MG	324	char *devpos;
	325
	326	devpos = strdup(usbdev);
	327	if (!devpos)
	328	return -ENOMEM;
f92c0fbc MG	329
	330	DPRINTF("XILINX_USB_DEV=%s\n", devpos);
	331
	332	for (j = 0; j < strlen(devpos) && devpos[j] != 0; j++) {
	333	if (devpos[j] == ':') {
	334	devpos[j] = 0;
	335	devstr = &(devpos[j+1]);
	336	}
	337	}
	338
	339	if (devstr && strlen(devstr) > 0) {
	340	busnum = strtol(devpos, &remainder, 10);
	341	if (devpos == remainder) {
	342	busnum = -1;
	343	} else {
	344	devnum = strtol(devstr, &remainder, 10);
	345	if (devstr == remainder) {
	346	busnum = -1;
	347	devnum = -1;
	348	} else {
	349	fprintf(stderr,"Using XILINX platform cable USB at %03d:%03d\n",
	350	busnum, devnum);
	351	}
	352	}
	353	}
8949e420	354	free(devpos);
f92c0fbc MG	355	}
f92c0fbc MG	356
8949e420 MG	357	xpcu_event = malloc(sizeof(struct xpcu_event_s));
	358	if (!xpcu_event)
	359	return -ENOMEM;
	360
	361	bzero(xpcu_event, sizeof(struct xpcu_event_s));
	362	xpcu_event->xpcu = NULL;
	363	xpcu_event->count = 0;
	364	xpcu_event->interrupt_count = 0;
	365	pthread_mutex_init(&xpcu_event->interrupt, NULL);
	366
f92c0fbc MG	367	for (i = 0; i < e->dwNumMatchTables; i++) {
	368
	369	DPRINTF("match: dev: %04x:%04x, class: %x, subclass: %x, intclass: %x, intsubclass: %x, intproto: %x\n",
	370	e->matchTables[i].VendorId,
	371	e->matchTables[i].ProductId,
	372	e->matchTables[i].bDeviceClass,
	373	e->matchTables[i].bDeviceSubClass,
	374	e->matchTables[i].bInterfaceClass,
	375	e->matchTables[i].bInterfaceSubClass,
	376	e->matchTables[i].bInterfaceProtocol);
	377
	378	for (bus = busses; bus; bus = bus->next) {
	379	struct usb_device *dev;
	380
	381	if ((devnum != -1) && (strtol(bus->dirname, NULL, 10) != busnum))
	382	continue;
	383
	384	for (dev = bus->devices; dev; dev = dev->next) {
	385	struct usb_device_descriptor *desc = &(dev->descriptor);
	386
	387	if((desc->idVendor == e->matchTables[i].VendorId) &&
	388	(desc->idProduct == e->matchTables[i].ProductId) &&
	389	(desc->bDeviceClass == e->matchTables[i].bDeviceClass) &&
	390	(desc->bDeviceSubClass == e->matchTables[i].bDeviceSubClass) &&
	391	((devnum == -1) \|\| (strtol(dev->filename, NULL, 10) == devnum)) ) {
	392	int ac;
	393	for (ac = 0; ac < desc->bNumConfigurations; ac++) {
	394	struct usb_interface *interface = dev->config[ac].interface;
	395	int ai;
	396
	397	for (ai = 0; ai < interface->num_altsetting; ai++) {
	398
	399	DPRINTF("intclass: %x, intsubclass: %x, intproto: %x\n",
	400	interface->altsetting[i].bInterfaceClass,
	401	interface->altsetting[i].bInterfaceSubClass,
	402	interface->altsetting[i].bInterfaceProtocol);
	403
	404	if ((interface->altsetting[ai].bInterfaceSubClass == e->matchTables[i].bInterfaceSubClass) &&
	405	(interface->altsetting[ai].bInterfaceProtocol == e->matchTables[i].bInterfaceProtocol)){
9bfaca62 MG	406	int n = xpcu_event->count;
9bfaca62 MG	407
f92c0fbc MG	408	/* TODO: check interfaceClass! */
f92c0fbc MG	409	DPRINTF("found device with libusb\n");
501f1c21	410
9bfaca62 MG	411	xpcu = realloc(xpcu, sizeof(struct xpcu_s) * (++xpcu_event->count));
	412	if (!xpcu) {
	413	free(xpcu_event);
19acdb82	414	return -ENOMEM;
9bfaca62 MG	415	}
	416
	417	bzero(&(xpcu[n]), sizeof(struct xpcu_s));
	418	xpcu[n].interface = -1;
	419	xpcu[n].alternate = -1;
	420	xpcu[n].dev = dev;
	421	xpcu[n].card_type = e->dwCardType;
19acdb82	422
9bfaca62	423	xpcu_event->xpcu = xpcu;
f92c0fbc MG	424	}
	425	}
	426	}
	427	}
	428	}
	429	}
	430	}
cbfa0ac6	431
9bfaca62	432	e->handle = (unsigned long)xpcu_event;
cbfa0ac6	433
19acdb82	434	return 0;
cbfa0ac6	435	}
6234190b	436
19acdb82	437	int xpcu_found(struct event *e) {
9bfaca62 MG	438	struct xpcu_event_s xpcu_event = (struct xpcu_event_s)e->handle;
	439	struct xpcu_s *xpcu = NULL;
	440
	441	if (xpcu_event && xpcu_event->count && (xpcu_event->interrupt_count <= xpcu_event->count))
	442	xpcu = &(xpcu_event->xpcu[xpcu_event->interrupt_count-1]);
19acdb82 MG	443
19acdb82 MG	444	if (xpcu && xpcu->dev) {
f92c0fbc MG	445	struct usb_interface *interface = xpcu->dev->config->interface;
	446
	447	e->dwCardType = xpcu->card_type;
	448	e->dwAction = 1;
	449	e->dwEventId = 1;
9bfaca62	450	e->u.Usb.dwUniqueID = (unsigned long)xpcu;
f92c0fbc MG	451	e->matchTables[0].VendorId = xpcu->dev->descriptor.idVendor;
	452	e->matchTables[0].ProductId = xpcu->dev->descriptor.idProduct;
	453	e->matchTables[0].bDeviceClass = xpcu->dev->descriptor.bDeviceClass;
	454	e->matchTables[0].bDeviceSubClass = xpcu->dev->descriptor.bDeviceSubClass;
	455	e->matchTables[0].bInterfaceClass = interface->altsetting[0].bInterfaceClass;
	456	e->matchTables[0].bInterfaceSubClass = interface->altsetting[0].bInterfaceSubClass;
	457	e->matchTables[0].bInterfaceProtocol = interface->altsetting[0].bInterfaceProtocol;
6234190b	458	}
8af4d910 MG	459
8af4d910 MG	460	return 0;
f92c0fbc MG	461	}
f92c0fbc MG	462
19acdb82	463	int xpcu_close(struct event *e) {
9bfaca62	464	struct xpcu_event_s xpcu_event = (struct xpcu_event_s)e->handle;
19acdb82	465
9bfaca62	466	if (!xpcu_event)
8af4d910	467	return -ENODEV;
6234190b	468
9bfaca62 MG	469	if(xpcu_event) {
	470	struct xpcu_s *xpcu;
	471	int i;
	472
	473	for (i = 0; i < xpcu_event->count; i++) {
	474	xpcu = &(xpcu_event->xpcu[i]);
	475	if (xpcu->handle) {
	476	xpcu_claim(xpcu, XPCU_RELEASE);
	477	usb_close(xpcu->handle);
	478	}
f92c0fbc MG	479	}
f92c0fbc MG	480
9bfaca62 MG	481	if (xpcu_event->xpcu)
	482	free(xpcu_event->xpcu);
	483
f92c0fbc	484	busses = NULL;
9bfaca62	485	free(xpcu_event);
f92c0fbc	486	}
8af4d910 MG	487
8af4d910 MG	488	return 0;
6234190b	489	}
501f1c21	490
19acdb82	491	int xpcu_int_state(struct interrupt *it, int enable) {
9bfaca62	492	struct xpcu_event_s xpcu_event = (struct xpcu_event_s)it->hInterrupt;
501f1c21	493
614a4da1 MG	494	if (!xpcu_event)
614a4da1 MG	495	return -ENODEV;
501f1c21 MG	496
	497	if (enable == ENABLE_INTERRUPT) {
	498	it->fEnableOk = 1;
	499	it->fStopped = 0;
9bfaca62	500	it->dwCounter = 0;
614a4da1	501	pthread_mutex_trylock(&xpcu_event->interrupt);
501f1c21 MG	502	} else {
	503	it->dwCounter = 0;
	504	it->fStopped = 1;
614a4da1 MG	505	if (pthread_mutex_trylock(&xpcu_event->interrupt) == EBUSY)
614a4da1 MG	506	pthread_mutex_unlock(&xpcu_event->interrupt);
501f1c21	507	}
8af4d910 MG	508
8af4d910 MG	509	return 0;
501f1c21 MG	510	}
501f1c21 MG	511
19acdb82	512	int xpcu_int_wait(struct interrupt *it) {
9bfaca62	513	struct xpcu_event_s xpcu_event = (struct xpcu_event_s)it->hInterrupt;
19acdb82	514
614a4da1 MG	515	if (!xpcu_event)
	516	return -ENODEV;
	517
	518	if (it->dwCounter < xpcu_event->count) {
	519	it->dwCounter++;
501f1c21	520	} else {
614a4da1 MG	521	pthread_mutex_lock(&xpcu_event->interrupt);
614a4da1 MG	522	pthread_mutex_unlock(&xpcu_event->interrupt);
501f1c21	523	}
614a4da1	524	xpcu_event->interrupt_count++;
8af4d910 MG	525
8af4d910 MG	526	return 0;
501f1c21	527	}