jackcartersmith/xilinx-usb-driver
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begin separating XPCU functions into own file

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This commit is contained in:
Michael Gernoth 2008-04-11 15:08:19 +02:00
parent 396647368b
commit cbfa0ac6c8
4 changed files with 267 additions and 236 deletions
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4
Makefile
View File

@ -6,8 +6,8 @@ CFLAGS=-Wall -fPIC -DUSB_DRIVER_VERSION="\"$(shell stat -c '%y' usb-driver.c |cu
LIBS=-ldl -lusb -lpthread LIBS=-ldl -lusb -lpthread
SRC=usb-driver.c parport.c config.c jtagmon.c SRC=usb-driver.c xpcu.c parport.c config.c jtagmon.c
HEADER=usb-driver.h parport.h jtagkey.h config.h jtagmon.h HEADER=usb-driver.h xpcu.h parport.h jtagkey.h config.h jtagmon.h
ifeq ($(LIBVER),32) ifeq ($(LIBVER),32)
CFLAGS += -m32 CFLAGS += -m32

269
usb-driver.c
View File

@ -43,21 +43,18 @@
#include <bits/wordsize.h> #include <bits/wordsize.h>
#include "usb-driver.h" #include "usb-driver.h"
#include "config.h" #include "config.h"
#include "xpcu.h"
static int (*ioctl_func) (int, int, void *) = NULL; static int (*ioctl_func) (int, int, void *) = NULL;
static int windrvrfd = -1; static int windrvrfd = -1;
static unsigned long ppbase = 0; static unsigned long ppbase = 0;
static unsigned long ecpbase = 0; static unsigned long ecpbase = 0;
static struct parport_config *pport = NULL; static struct parport_config *pport = NULL;
static struct xpcu_s *xpcu = NULL;
static FILE *modulesfp = NULL; static FILE *modulesfp = NULL;
static FILE *baseaddrfp = NULL; static FILE *baseaddrfp = NULL;
static int baseaddrnum = 0; static int baseaddrnum = 0;
static int modules_read = 0; static int modules_read = 0;
static struct usb_bus *busses = NULL;
static struct usb_device *usbdevice;
static usb_dev_handle *usb_devhandle = NULL;
static int usbinterface = -1;
static int usbalternate = -1;
static unsigned long card_type; static unsigned long card_type;
static int ints_enabled = 0; static int ints_enabled = 0;
static pthread_mutex_t int_wait = PTHREAD_MUTEX_INITIALIZER; static pthread_mutex_t int_wait = PTHREAD_MUTEX_INITIALIZER;
@ -75,198 +72,6 @@ void hexdump(unsigned char *buf, int len) {
fprintf(stderr,"\n"); fprintf(stderr,"\n");
} }
static int usb_deviceinfo(unsigned char *buf) {
int i,j,k,l;
int len = 0;
WDU_CONFIGURATION **pConfigs, **pActiveConfig;
WDU_INTERFACE **pActiveInterface;
if (buf) {
struct usb_device_info *udi = (struct usb_device_info*)(buf+len);
udi->Descriptor.bLength = sizeof(WDU_DEVICE_DESCRIPTOR);
udi->Descriptor.bDescriptorType = usbdevice->descriptor.bDescriptorType;
udi->Descriptor.bcdUSB = usbdevice->descriptor.bcdUSB;
udi->Descriptor.bDeviceClass = usbdevice->descriptor.bDeviceClass;
udi->Descriptor.bDeviceSubClass = usbdevice->descriptor.bDeviceSubClass;
udi->Descriptor.bDeviceProtocol = usbdevice->descriptor.bDeviceProtocol;
udi->Descriptor.bMaxPacketSize0 = usbdevice->descriptor.bMaxPacketSize0;
udi->Descriptor.idVendor = usbdevice->descriptor.idVendor;
udi->Descriptor.idProduct = usbdevice->descriptor.idProduct;
udi->Descriptor.bcdDevice = usbdevice->descriptor.bcdDevice;
udi->Descriptor.iManufacturer = usbdevice->descriptor.iManufacturer;
udi->Descriptor.iProduct = usbdevice->descriptor.iProduct;
udi->Descriptor.iSerialNumber = usbdevice->descriptor.iSerialNumber;
udi->Descriptor.bNumConfigurations = usbdevice->descriptor.bNumConfigurations;
/* TODO: Fix Pipe0! */
udi->Pipe0.dwNumber = 0x00;
udi->Pipe0.dwMaximumPacketSize = usbdevice->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<usbdevice->descriptor.bNumConfigurations; i++)
{
struct usb_config_descriptor *conf_desc = &usbdevice->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 = usbdevice->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 = &usbdevice->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;
}
}
}
}
return len;
}
static int usb_claim(int claim) {
int ret = 0;
static int claimed = 0;
if (usbinterface < 0)
return -1;
if (claim) {
if (claimed)
return 0;
ret = usb_claim_interface(usb_devhandle, usbinterface);
if (!ret) {
claimed = 1;
ret = usb_set_altinterface(usb_devhandle, usbalternate);
if (ret)
fprintf(stderr, "usb_set_altinterface: %d\n", ret);
} else {
fprintf(stderr, "usb_claim_interface: %d -> %d (%s)\n",
usbinterface, ret, usb_strerror());
}
} else {
if (!claimed)
return 0;
ret = usb_release_interface(usb_devhandle, usbinterface);
if (!ret)
claimed = 0;
}
return ret;
}
static int do_wdioctl(int fd, unsigned int request, unsigned char *wdioctl) { static int do_wdioctl(int fd, unsigned int request, unsigned char *wdioctl) {
struct header_struct* wdheader = (struct header_struct*)wdioctl; struct header_struct* wdheader = (struct header_struct*)wdioctl;
@ -355,7 +160,7 @@ static int do_wdioctl(int fd, unsigned int request, unsigned char *wdioctl) {
#ifndef NO_WINDRVR #ifndef NO_WINDRVR
ret = (*ioctl_func) (fd, request, wdioctl); ret = (*ioctl_func) (fd, request, wdioctl);
#else #else
usb_claim(1); xpcu_claim(xpcu, XPCU_CLAIM);
/* http://www.jungo.com/support/documentation/windriver/802/wdusb_man_mhtml/node55.html#SECTION001213000000000000000 */ /* http://www.jungo.com/support/documentation/windriver/802/wdusb_man_mhtml/node55.html#SECTION001213000000000000000 */
if (ut->dwPipeNum == 0) { /* control pipe */ if (ut->dwPipeNum == 0) { /* control pipe */
int requesttype, request, value, index, size; int requesttype, request, value, index, size;
@ -365,14 +170,14 @@ static int do_wdioctl(int fd, unsigned int request, unsigned char *wdioctl) {
index = ut->SetupPacket[4] | (ut->SetupPacket[5] << 8); index = ut->SetupPacket[4] | (ut->SetupPacket[5] << 8);
size = ut->SetupPacket[6] | (ut->SetupPacket[7] << 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); DPRINTF("requesttype: %x, request: %x, value: %u, index: %u, size: %u\n", requesttype, request, value, index, size);
ret = usb_control_msg(usb_devhandle, requesttype, request, value, index, ut->pBuffer, size, ut->dwTimeout); ret = usb_control_msg(xpcu->handle, requesttype, request, value, index, ut->pBuffer, size, ut->dwTimeout);
} else { } else {
if (ut->fRead) { if (ut->fRead) {
ret = usb_bulk_read(usb_devhandle, ut->dwPipeNum, ut->pBuffer, ut->dwBufferSize, ut->dwTimeout); ret = usb_bulk_read(xpcu->handle, ut->dwPipeNum, ut->pBuffer, ut->dwBufferSize, ut->dwTimeout);
} else { } else {
ret = usb_bulk_write(usb_devhandle, ut->dwPipeNum, ut->pBuffer, ut->dwBufferSize, ut->dwTimeout); ret = usb_bulk_write(xpcu->handle, ut->dwPipeNum, ut->pBuffer, ut->dwBufferSize, ut->dwTimeout);
} }
usb_claim(0); xpcu_claim(xpcu, XPCU_RELEASE);
} }
if (ret < 0) { if (ret < 0) {
@ -449,19 +254,19 @@ static int do_wdioctl(int fd, unsigned int request, unsigned char *wdioctl) {
#ifndef NO_WINDRVR #ifndef NO_WINDRVR
ret = (*ioctl_func) (fd, request, wdioctl); ret = (*ioctl_func) (fd, request, wdioctl);
#else #else
if (usbdevice) { if (xpcu->dev) {
if (!usb_devhandle) { if (!xpcu->handle) {
usb_devhandle = usb_open(usbdevice); xpcu->handle = usb_open(xpcu->dev);
#ifndef NO_USB_RESET #ifndef NO_USB_RESET
if (usb_devhandle) { if (xpcu->handle) {
usb_reset(usb_devhandle); usb_reset(xpcu->handle);
usb_devhandle = usb_open(usbdevice); xpcu->handle = usb_open(xpcu->dev);
} }
#endif #endif
} }
usbinterface = usbdevice->config[0].interface[usi->dwInterfaceNum].altsetting[usi->dwAlternateSetting].bInterfaceNumber; xpcu->interface = xpcu->dev->config[0].interface[usi->dwInterfaceNum].altsetting[usi->dwAlternateSetting].bInterfaceNumber;
usbalternate = usi->dwAlternateSetting; xpcu->alternate = usi->dwAlternateSetting;
} }
#endif #endif
DPRINTF("unique: %lu, interfacenum: %lu, alternatesetting: %lu, options: %lx\n", DPRINTF("unique: %lu, interfacenum: %lu, alternatesetting: %lu, options: %lx\n",
@ -483,11 +288,11 @@ static int do_wdioctl(int fd, unsigned int request, unsigned char *wdioctl) {
pSize = ugdd->dwBytes; pSize = ugdd->dwBytes;
if (!ugdd->dwBytes) { if (!ugdd->dwBytes) {
if (usbdevice) { if (xpcu->dev) {
ugdd->dwBytes = usb_deviceinfo(NULL); ugdd->dwBytes = xpcu_deviceinfo(xpcu, NULL);
} }
} else { } else {
usb_deviceinfo((unsigned char*)ugdd->pBuf); xpcu_deviceinfo(xpcu, (unsigned char*)ugdd->pBuf);
} }
} }
break; break;
@ -553,7 +358,7 @@ static int do_wdioctl(int fd, unsigned int request, unsigned char *wdioctl) {
e->matchTables[i].bInterfaceSubClass, e->matchTables[i].bInterfaceSubClass,
e->matchTables[i].bInterfaceProtocol); e->matchTables[i].bInterfaceProtocol);
for (bus = busses; bus; bus = bus->next) { for (bus = xpcu->busses; bus; bus = bus->next) {
struct usb_device *dev; struct usb_device *dev;
if ((devnum != -1) && (strtol(bus->dirname, NULL, 10) != busnum)) if ((devnum != -1) && (strtol(bus->dirname, NULL, 10) != busnum))
@ -583,7 +388,7 @@ static int do_wdioctl(int fd, unsigned int request, unsigned char *wdioctl) {
(interface->altsetting[ai].bInterfaceProtocol == e->matchTables[i].bInterfaceProtocol)){ (interface->altsetting[ai].bInterfaceProtocol == e->matchTables[i].bInterfaceProtocol)){
/* TODO: check interfaceClass! */ /* TODO: check interfaceClass! */
DPRINTF("found device with libusb\n"); DPRINTF("found device with libusb\n");
usbdevice = dev; xpcu->dev = dev;
card_type = e->dwCardType; card_type = e->dwCardType;
} }
} }
@ -670,7 +475,7 @@ static int do_wdioctl(int fd, unsigned int request, unsigned char *wdioctl) {
#ifndef NO_WINDRVR #ifndef NO_WINDRVR
ret = (*ioctl_func) (fd, request, wdioctl); ret = (*ioctl_func) (fd, request, wdioctl);
#else #else
if (usbdevice) { if (xpcu->dev) {
if (it->dwCounter == 0) { if (it->dwCounter == 0) {
it->dwCounter = 1; it->dwCounter = 1;
} else { } else {
@ -742,17 +547,17 @@ static int do_wdioctl(int fd, unsigned int request, unsigned char *wdioctl) {
#ifndef NO_WINDRVR #ifndef NO_WINDRVR
ret = (*ioctl_func) (fd, request, wdioctl); ret = (*ioctl_func) (fd, request, wdioctl);
#else #else
if (usbdevice) { if (xpcu->dev) {
struct usb_interface *interface = usbdevice->config->interface; struct usb_interface *interface = xpcu->dev->config->interface;
e->dwCardType = card_type; e->dwCardType = card_type;
e->dwAction = 1; e->dwAction = 1;
e->dwEventId = 109; e->dwEventId = 109;
e->u.Usb.dwUniqueID = 110; e->u.Usb.dwUniqueID = 110;
e->matchTables[0].VendorId = usbdevice->descriptor.idVendor; e->matchTables[0].VendorId = xpcu->dev->descriptor.idVendor;
e->matchTables[0].ProductId = usbdevice->descriptor.idProduct; e->matchTables[0].ProductId = xpcu->dev->descriptor.idProduct;
e->matchTables[0].bDeviceClass = usbdevice->descriptor.bDeviceClass; e->matchTables[0].bDeviceClass = xpcu->dev->descriptor.bDeviceClass;
e->matchTables[0].bDeviceSubClass = usbdevice->descriptor.bDeviceSubClass; e->matchTables[0].bDeviceSubClass = xpcu->dev->descriptor.bDeviceSubClass;
e->matchTables[0].bInterfaceClass = interface->altsetting[0].bInterfaceClass; e->matchTables[0].bInterfaceClass = interface->altsetting[0].bInterfaceClass;
e->matchTables[0].bInterfaceSubClass = interface->altsetting[0].bInterfaceSubClass; e->matchTables[0].bInterfaceSubClass = interface->altsetting[0].bInterfaceSubClass;
e->matchTables[0].bInterfaceProtocol = interface->altsetting[0].bInterfaceProtocol; e->matchTables[0].bInterfaceProtocol = interface->altsetting[0].bInterfaceProtocol;
@ -835,13 +640,8 @@ int open (const char *pathname, int flags, ...) {
#else #else
windrvrfd = fd = (*func) (pathname, flags, mode); windrvrfd = fd = (*func) (pathname, flags, mode);
#endif #endif
if (!busses) { if (!xpcu)
usb_init(); xpcu = xpcu_open();
usb_find_busses();
usb_find_devices();
busses = usb_get_busses();
}
return fd; return fd;
} }
@ -858,13 +658,14 @@ int close(int fd) {
if (fd == windrvrfd && windrvrfd >= 0) { if (fd == windrvrfd && windrvrfd >= 0) {
DPRINTF("close windrvrfd\n"); DPRINTF("close windrvrfd\n");
if (usb_devhandle) { if (xpcu->handle) {
usb_claim(0); xpcu_claim(xpcu, XPCU_RELEASE);
usb_close(usb_devhandle); usb_close(xpcu->handle);
} }
usb_devhandle = NULL; xpcu->handle = NULL;
usbinterface = -1; xpcu->interface = -1;
xpcu = NULL;
windrvrfd = -1; windrvrfd = -1;
} }

216
xpcu.c Normal file
View File

@ -0,0 +1,216 @@
#include <stdio.h>
#include <stdlib.h>
#include <unistd.h>
#include <strings.h>
#include <usb.h>
#include "xpcu.h"
#include "usb-driver.h"
int xpcu_deviceinfo(struct xpcu_s *xpcu, unsigned char *buf) {
int i,j,k,l;
int len = 0;
WDU_CONFIGURATION **pConfigs, **pActiveConfig;
WDU_INTERFACE **pActiveInterface;
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;
}
}
}
}
return len;
}
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;
ret = usb_release_interface(xpcu->handle, xpcu->interface);
if (!ret)
claimed = 0;
}
return ret;
}
struct xpcu_s *xpcu_open(void) {
static struct xpcu_s xpcu;
bzero(&xpcu, sizeof(xpcu));
xpcu.interface = -1;
xpcu.alternate = -1;
usb_init();
usb_find_busses();
usb_find_devices();
xpcu.busses = usb_get_busses();
return &xpcu;
}

14
xpcu.h Normal file
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@ -0,0 +1,14 @@
#define XPCU_CLAIM 1
#define XPCU_RELEASE 0
struct xpcu_s {
struct usb_device *dev;
usb_dev_handle *handle;
struct usb_bus *busses;
int interface;
int alternate;
};
int __attribute__ ((visibility ("hidden"))) xpcu_deviceinfo(struct xpcu_s *xpcu, unsigned char *buf);
int __attribute__ ((visibility ("hidden"))) xpcu_claim(struct xpcu_s *xpcu, int claim);
struct xpcu_s __attribute__ ((visibility ("hidden"))) *xpcu_open(void);