diff options
Diffstat (limited to 'libusb/darwin.c')
| -rw-r--r-- | libusb/darwin.c | 1209 |
1 files changed, 0 insertions, 1209 deletions
diff --git a/libusb/darwin.c b/libusb/darwin.c deleted file mode 100644 index 6f90ecc..0000000 --- a/libusb/darwin.c +++ /dev/null @@ -1,1209 +0,0 @@ -/* - * Darwin/MacOS X Support - * - * (c) 2002-2005 Nathan Hjelm <hjelmn@users.sourceforge.net> - * - * (04/17/2005): - * - Lots of minor fixes. - * - Endpoint table now made by claim_interface to fix a bug. - * - Merged Read/Write to make modifications easier. - * (03/25/2005): - * - Fixed a bug when using asynchronous callbacks within a multi-threaded application. - * (03/14/2005): - * - Added an endpoint table to speed up bulk transfers. - * 0.1.11 (02/22/2005): - * - Updated error checking in read/write routines to check completion codes. - * - Updated set_configuration so that the open interface is reclaimed before completion. - * - Fixed several typos. - * 0.1.8 (01/12/2004): - * - Fixed several memory leaks. - * - Readded 10.0 support - * - Added support for USB fuctions defined in 10.3 and above - * (01/02/2003): - * - Applied a patch by Philip Edelbrock <phil@edgedesign.us> that fixes a bug in usb_control_msg. - * (12/16/2003): - * - Even better error printing. - * - Devices that cannot be opened can have their interfaces opened. - * 0.1.6 (05/12/2002): - * - Fixed problem where libusb holds resources after program completion. - * - Mouse should no longer freeze up now. - * 0.1.2 (02/13/2002): - * - Bulk functions should work properly now. - * 0.1.1 (02/11/2002): - * - Fixed major bug (device and interface need to be released after use) - * 0.1.0 (01/06/2002): - * - Tested driver with gphoto (works great as long as Image Capture isn't running) - * 0.1d (01/04/2002): - * - Implimented clear_halt and resetep - * - Uploaded to CVS. - * 0.1b (01/04/2002): - * - Added usb_debug line to bulk read and write function. - * 0.1a (01/03/2002): - * - Driver mostly completed using the macosx driver I wrote for my rioutil software. - * - * Derived from Linux version by Richard Tobin. - * Also partly derived from BSD version. - * - * This library is covered by the LGPL, read LICENSE for details. - */ - -#ifdef HAVE_CONFIG_H -#include "config.h" -#endif - -#include <stdlib.h> -#include <stdio.h> -#include <unistd.h> - -/* standard includes for darwin/os10 (IOKit) */ -#include <mach/mach_port.h> -#include <IOKit/IOCFBundle.h> -#include <IOKit/usb/IOUSBLib.h> -#include <IOKit/IOCFPlugIn.h> - -#include "usbi.h" - -/* some defines */ -/* IOUSBInterfaceInferface */ -#if defined (kIOUSBInterfaceInterfaceID220) - -// #warning "libusb being compiled for 10.4 or later" -#define usb_interface_t IOUSBInterfaceInterface220 -#define InterfaceInterfaceID kIOUSBInterfaceInterfaceID220 -#define InterfaceVersion 220 - -#elif defined (kIOUSBInterfaceInterfaceID197) - -// #warning "libusb being compiled for 10.3 or later" -#define usb_interface_t IOUSBInterfaceInterface197 -#define InterfaceInterfaceID kIOUSBInterfaceInterfaceID197 -#define InterfaceVersion 197 - -#elif defined (kIOUSBInterfaceInterfaceID190) - -// #warning "libusb being compiled for 10.2 or later" -#define usb_interface_t IOUSBInterfaceInterface190 -#define InterfaceInterfaceID kIOUSBInterfaceInterfaceID190 -#define InterfaceVersion 190 - -#elif defined (kIOUSBInterfaceInterfaceID182) - -// #warning "libusb being compiled for 10.1 or later" -#define usb_interface_t IOUSBInterfaceInterface182 -#define InterfaceInterfaceID kIOUSBInterfaceInterfaceID182 -#define InterfaceVersion 182 - -#else - -/* No timeout functions available! Time to upgrade your os. */ -#warning "libusb being compiled without support for timeout bulk functions! 10.0 and up" -#define usb_interface_t IOUSBInterfaceInterface -#define InterfaceInterfaceID kIOUSBInterfaceInterfaceID -#define LIBUSB_NO_TIMEOUT_INTERFACE -#define InterfaceVersion 180 - -#endif - -/* IOUSBDeviceInterface */ -#if defined (kIOUSBDeviceInterfaceID197) - -#define usb_device_t IOUSBDeviceInterface197 -#define DeviceInterfaceID kIOUSBDeviceInterfaceID197 -#define DeviceVersion 197 - -#elif defined (kIOUSBDeviceInterfaceID187) - -#define usb_device_t IOUSBDeviceInterface187 -#define DeviceInterfaceID kIOUSBDeviceInterfaceID187 -#define DeviceVersion 187 - -#elif defined (kIOUSBDeviceInterfaceID182) - -#define usb_device_t IOUSBDeviceInterface182 -#define DeviceInterfaceID kIOUSBDeviceInterfaceID182 -#define DeviceVersion 182 - -#else - -#define usb_device_t IOUSBDeviceInterface -#define DeviceInterfaceID kIOUSBDeviceInterfaceID -#define LIBUSB_NO_TIMEOUT_DEVICE -#define LIBUSB_NO_SEIZE_DEVICE -#define DeviceVersion 180 - -#endif - -typedef IOReturn io_return_t; -typedef IOCFPlugInInterface *io_cf_plugin_ref_t; -typedef SInt32 s_int32_t; -typedef IOReturn (*rw_async_func_t)(void *self, UInt8 pipeRef, void *buf, UInt32 size, - IOAsyncCallback1 callback, void *refcon); -typedef IOReturn (*rw_async_to_func_t)(void *self, UInt8 pipeRef, void *buf, UInt32 size, - UInt32 noDataTimeout, UInt32 completionTimeout, - IOAsyncCallback1 callback, void *refcon); - -#if !defined(IO_OBJECT_NULL) -#define IO_OBJECT_NULL ((io_object_t)0) -#endif - -/* Darwin/OS X impl does not use fd field, instead it uses this */ -struct darwin_dev_handle { - usb_device_t **device; - usb_interface_t **interface; - int open; - - /* stored translation table for pipes to endpoints */ - int num_endpoints; - unsigned char *endpoint_addrs; -}; - -static CFMutableDictionaryRef matchingDict; -static IONotificationPortRef gNotifyPort; -static mach_port_t masterPort = MACH_PORT_NULL; - -static void darwin_cleanup (void) -{ - IONotificationPortDestroy(gNotifyPort); - mach_port_deallocate(mach_task_self(), masterPort); -} - -static char *darwin_error_str (int result) { - switch (result) { - case kIOReturnSuccess: - return "no error"; - case kIOReturnNotOpen: - return "device not opened for exclusive access"; - case kIOReturnNoDevice: - return "no connection to an IOService"; - case kIOUSBNoAsyncPortErr: - return "no async port has been opened for interface"; - case kIOReturnExclusiveAccess: - return "another process has device opened for exclusive access"; - case kIOUSBPipeStalled: - return "pipe is stalled"; - case kIOReturnError: - return "could not establish a connection to the Darwin kernel"; - case kIOUSBTransactionTimeout: - return "transaction timed out"; - case kIOReturnBadArgument: - return "invalid argument"; - case kIOReturnAborted: - return "transaction aborted"; - default: - return "unknown error"; - } -} - -/* not a valid errorno outside darwin.c */ -#define LUSBDARWINSTALL (ELAST+1) - -static int darwin_to_errno (int result) { - switch (result) { - case kIOReturnSuccess: - return 0; - case kIOReturnNotOpen: - return EBADF; - case kIOReturnNoDevice: - case kIOUSBNoAsyncPortErr: - return ENXIO; - case kIOReturnExclusiveAccess: - return EBUSY; - case kIOUSBPipeStalled: - return LUSBDARWINSTALL; - case kIOReturnBadArgument: - return EINVAL; - case kIOUSBTransactionTimeout: - return ETIMEDOUT; - case kIOReturnError: - default: - return 1; - } -} - -static int usb_setup_iterator (io_iterator_t *deviceIterator) -{ - int result; - - /* set up the matching dictionary for class IOUSBDevice and its subclasses. - It will be consumed by the IOServiceGetMatchingServices call */ - if ((matchingDict = IOServiceMatching(kIOUSBDeviceClassName)) == NULL) { - darwin_cleanup (); - - USB_ERROR_STR(-1, "libusb/darwin.c usb_setup_iterator: Could not create a matching dictionary.\n"); - } - - result = IOServiceGetMatchingServices(masterPort, matchingDict, deviceIterator); - matchingDict = NULL; - - if (result != kIOReturnSuccess) - USB_ERROR_STR (-darwin_to_errno (result), "libusb/darwin.c usb_setup_iterator: IOServiceGetMatchingServices: %s\n", - darwin_error_str(result)); - - return 0; -} - -static usb_device_t **usb_get_next_device (io_iterator_t deviceIterator, UInt32 *locationp) -{ - io_cf_plugin_ref_t *plugInInterface = NULL; - usb_device_t **device; - io_service_t usbDevice; - long result, score; - - if (!IOIteratorIsValid (deviceIterator) || !(usbDevice = IOIteratorNext(deviceIterator))) - return NULL; - - result = IOCreatePlugInInterfaceForService(usbDevice, kIOUSBDeviceUserClientTypeID, - kIOCFPlugInInterfaceID, &plugInInterface, - &score); - - result = IOObjectRelease(usbDevice); - if (result || !plugInInterface) - return NULL; - - (*plugInInterface)->QueryInterface(plugInInterface, CFUUIDGetUUIDBytes(DeviceInterfaceID), - (LPVOID)&device); - - (*plugInInterface)->Stop(plugInInterface); - IODestroyPlugInInterface (plugInInterface); - plugInInterface = NULL; - - (*(device))->GetLocationID(device, locationp); - - return device; -} - -int usb_os_open(usb_dev_handle *dev) -{ - struct darwin_dev_handle *device; - - io_return_t result; - io_iterator_t deviceIterator; - - usb_device_t **darwin_device; - - UInt32 location = *((UInt32 *)dev->device->dev); - UInt32 dlocation; - - if (!dev) - USB_ERROR(-ENXIO); - - if (masterPort == MACH_PORT_NULL) - USB_ERROR(-EINVAL); - - device = calloc(1, sizeof(struct darwin_dev_handle)); - if (!device) - USB_ERROR(-ENOMEM); - - if (usb_debug > 3) - fprintf(stderr, "usb_os_open: %04x:%04x\n", - dev->device->descriptor.idVendor, - dev->device->descriptor.idProduct); - - if ((result = usb_setup_iterator (&deviceIterator)) < 0) - return result; - - /* This port of libusb uses locations to keep track of devices. */ - while ((darwin_device = usb_get_next_device (deviceIterator, &dlocation)) != NULL) { - if (dlocation == location) - break; - - (*darwin_device)->Release(darwin_device); - } - - IOObjectRelease(deviceIterator); - device->device = darwin_device; - - if (device->device == NULL) - USB_ERROR_STR (-ENOENT, "usb_os_open: %s\n", "Device not found!"); - -#if !defined (LIBUSB_NO_SEIZE_DEVICE) - result = (*(device->device))->USBDeviceOpenSeize (device->device); -#else - /* No Seize in OS X 10.0 (Darwin 1.4) */ - result = (*(device->device))->USBDeviceOpen (device->device); -#endif - - if (result != kIOReturnSuccess) { - switch (result) { - case kIOReturnExclusiveAccess: - if (usb_debug > 0) - fprintf (stderr, "usb_os_open(USBDeviceOpenSeize): %s\n", darwin_error_str(result)); - break; - default: - (*(device->device))->Release (device->device); - USB_ERROR_STR(-darwin_to_errno (result), "usb_os_open(USBDeviceOpenSeize): %s", - darwin_error_str(result)); - } - - device->open = 0; - } else - device->open = 1; - - dev->impl_info = device; - dev->interface = -1; - dev->altsetting = -1; - - device->num_endpoints = 0; - device->endpoint_addrs = NULL; - - return 0; -} - -int usb_os_close(usb_dev_handle *dev) -{ - struct darwin_dev_handle *device; - io_return_t result; - - if (!dev) - USB_ERROR(-ENXIO); - - if ((device = dev->impl_info) == NULL) - USB_ERROR(-ENOENT); - - usb_release_interface(dev, dev->interface); - - if (usb_debug > 3) - fprintf(stderr, "usb_os_close: %04x:%04x\n", - dev->device->descriptor.idVendor, - dev->device->descriptor.idProduct); - - if (device->open == 1) - result = (*(device->device))->USBDeviceClose(device->device); - else - result = kIOReturnSuccess; - - /* device may not need to be released, but if it has to... */ - (*(device->device))->Release(device->device); - - if (result != kIOReturnSuccess) - USB_ERROR_STR(-darwin_to_errno(result), "usb_os_close(USBDeviceClose): %s", darwin_error_str(result)); - - free (device); - - return 0; -} - -static int get_endpoints (struct darwin_dev_handle *device) -{ - io_return_t ret; - - u_int8_t numep, direction, number; - u_int8_t dont_care1, dont_care3; - u_int16_t dont_care2; - - int i; - - if (device == NULL || device->interface == NULL) - return -EINVAL; - - if (usb_debug > 1) - fprintf(stderr, "libusb/darwin.c get_endpoints: building table of endpoints.\n"); - - /* retrieve the total number of endpoints on this interface */ - ret = (*(device->interface))->GetNumEndpoints(device->interface, &numep); - if ( ret ) { - if ( usb_debug > 1 ) - fprintf ( stderr, "get_endpoints: interface is %p\n", device->interface ); - - USB_ERROR_STR ( -ret, "get_endpoints: can't get number of endpoints for interface" ); - } - - free (device->endpoint_addrs); - device->endpoint_addrs = calloc (sizeof (unsigned char), numep); - - /* iterate through pipe references */ - for (i = 1 ; i <= numep ; i++) { - ret = (*(device->interface))->GetPipeProperties(device->interface, i, &direction, &number, - &dont_care1, &dont_care2, &dont_care3); - - if (ret != kIOReturnSuccess) { - fprintf (stderr, "get_endpoints: an error occurred getting pipe information on pipe %d\n", - i ); - USB_ERROR_STR(-darwin_to_errno(ret), "get_endpoints(GetPipeProperties): %s", darwin_error_str(ret)); - } - - if (usb_debug > 1) - fprintf (stderr, "get_endpoints: Pipe %i: DIR: %i number: %i\n", i, direction, number); - - device->endpoint_addrs[i - 1] = ((direction << 7 & USB_ENDPOINT_DIR_MASK) | - (number & USB_ENDPOINT_ADDRESS_MASK)); - } - - device->num_endpoints = numep; - - if (usb_debug > 1) - fprintf(stderr, "libusb/darwin.c get_endpoints: complete.\n"); - - return 0; -} - -static int claim_interface (usb_dev_handle *dev, int interface) -{ - io_iterator_t interface_iterator; - io_service_t usbInterface = IO_OBJECT_NULL; - io_return_t result; - io_cf_plugin_ref_t *plugInInterface = NULL; - - IOUSBFindInterfaceRequest request; - - struct darwin_dev_handle *device; - long score; - int current_interface; - - device = dev->impl_info; - - request.bInterfaceClass = kIOUSBFindInterfaceDontCare; - request.bInterfaceSubClass = kIOUSBFindInterfaceDontCare; - request.bInterfaceProtocol = kIOUSBFindInterfaceDontCare; - request.bAlternateSetting = kIOUSBFindInterfaceDontCare; - - result = (*(device->device))->CreateInterfaceIterator(device->device, &request, &interface_iterator); - if (result != kIOReturnSuccess) - USB_ERROR_STR (-darwin_to_errno(result), "claim_interface(CreateInterfaceIterator): %s", - darwin_error_str(result)); - - for ( current_interface=0 ; current_interface <= interface ; current_interface++ ) { - usbInterface = IOIteratorNext(interface_iterator); - if ( usb_debug > 3 ) - fprintf ( stderr, "Interface %d of device is 0x%08x\n", - current_interface, usbInterface ); - } - - current_interface--; - - /* the interface iterator is no longer needed, release it */ - IOObjectRelease(interface_iterator); - - if (!usbInterface) { - u_int8_t nConfig; /* Index of configuration to use */ - IOUSBConfigurationDescriptorPtr configDesc; /* to describe which configuration to select */ - /* Only a composite class device with no vendor-specific driver will - be configured. Otherwise, we need to do it ourselves, or there - will be no interfaces for the device. */ - - if ( usb_debug > 3 ) - fprintf ( stderr,"claim_interface: No interface found; selecting configuration\n" ); - - result = (*(device->device))->GetNumberOfConfigurations ( device->device, &nConfig ); - if (result != kIOReturnSuccess) - USB_ERROR_STR(-darwin_to_errno(result), "claim_interface(GetNumberOfConfigurations): %s", - darwin_error_str(result)); - - if (nConfig < 1) - USB_ERROR_STR(-ENXIO ,"claim_interface(GetNumberOfConfigurations): no configurations"); - else if ( nConfig > 1 && usb_debug > 0 ) - fprintf ( stderr, "claim_interface: device has more than one" - " configuration, using the first (warning)\n" ); - - if ( usb_debug > 3 ) - fprintf ( stderr, "claim_interface: device has %d configuration%s\n", - (int)nConfig, (nConfig>1?"s":"") ); - - /* Always use the first configuration */ - result = (*(device->device))->GetConfigurationDescriptorPtr ( (device->device), 0, &configDesc ); - if (result != kIOReturnSuccess) { - if (device->open == 1) { - (*(device->device))->USBDeviceClose ( (device->device) ); - (*(device->device))->Release ( (device->device) ); - } - - USB_ERROR_STR(-darwin_to_errno(result), "claim_interface(GetConfigurationDescriptorPtr): %s", - darwin_error_str(result)); - } else if ( usb_debug > 3 ) - fprintf ( stderr, "claim_interface: configuration value is %d\n", - configDesc->bConfigurationValue ); - - if (device->open == 1) { - result = (*(device->device))->SetConfiguration ( (device->device), configDesc->bConfigurationValue ); - - if (result != kIOReturnSuccess) { - (*(device->device))->USBDeviceClose ( (device->device) ); - (*(device->device))->Release ( (device->device) ); - - USB_ERROR_STR(-darwin_to_errno(result), "claim_interface(SetConfiguration): %s", - darwin_error_str(result)); - } - - dev->config = configDesc->bConfigurationValue; - } - - request.bInterfaceClass = kIOUSBFindInterfaceDontCare; - request.bInterfaceSubClass = kIOUSBFindInterfaceDontCare; - request.bInterfaceProtocol = kIOUSBFindInterfaceDontCare; - request.bAlternateSetting = kIOUSBFindInterfaceDontCare; - - /* Now go back and get the chosen interface */ - result = (*(device->device))->CreateInterfaceIterator(device->device, &request, &interface_iterator); - if (result != kIOReturnSuccess) - USB_ERROR_STR (-darwin_to_errno(result), "claim_interface(CreateInterfaceIterator): %s", - darwin_error_str(result)); - - for (current_interface = 0 ; current_interface <= interface ; current_interface++) { - usbInterface = IOIteratorNext(interface_iterator); - - if ( usb_debug > 3 ) - fprintf ( stderr, "claim_interface: Interface %d of device is 0x%08x\n", - current_interface, usbInterface ); - } - current_interface--; - - /* the interface iterator is no longer needed, release it */ - IOObjectRelease(interface_iterator); - - if (!usbInterface) - USB_ERROR_STR (-ENOENT, "claim_interface: interface iterator returned NULL"); - } - - result = IOCreatePlugInInterfaceForService(usbInterface, - kIOUSBInterfaceUserClientTypeID, - kIOCFPlugInInterfaceID, - &plugInInterface, &score); - /* No longer need the usbInterface object after getting the plug-in */ - result = IOObjectRelease(usbInterface); - if (result || !plugInInterface) - USB_ERROR(-ENOENT); - - /* Now create the device interface for the interface */ - result = (*plugInInterface)->QueryInterface(plugInInterface, - CFUUIDGetUUIDBytes(InterfaceInterfaceID), - (LPVOID) &device->interface); - - /* No longer need the intermediate plug-in */ - (*plugInInterface)->Stop(plugInInterface); - IODestroyPlugInInterface (plugInInterface); - - if (result != kIOReturnSuccess) - USB_ERROR_STR(-darwin_to_errno(result), "claim_interface(QueryInterface): %s", - darwin_error_str(result)); - - if (!device->interface) - USB_ERROR(-EACCES); - - if ( usb_debug > 3 ) - fprintf ( stderr, "claim_interface: Interface %d of device from QueryInterface is %p\n", - current_interface, device->interface); - - /* claim the interface */ - result = (*(device->interface))->USBInterfaceOpen(device->interface); - if (result) - USB_ERROR_STR(-darwin_to_errno(result), "claim_interface(USBInterfaceOpen): %s", - darwin_error_str(result)); - - result = get_endpoints (device); - - if (result) { - /* this should not happen */ - usb_release_interface (dev, interface); - USB_ERROR_STR ( result, "claim_interface: could not build endpoint table"); - } - - return 0; -} - -int usb_set_configuration (usb_dev_handle *dev, int configuration) -{ - struct darwin_dev_handle *device; - io_return_t result; - int interface; - - if ( usb_debug > 3 ) - fprintf ( stderr, "usb_set_configuration: called for config %x\n", configuration ); - - if (!dev) - USB_ERROR_STR ( -ENXIO, "usb_set_configuration: called with null device\n" ); - - if ((device = dev->impl_info) == NULL) - USB_ERROR_STR ( -ENOENT, "usb_set_configuration: device not properly initialized" ); - - /* Setting configuration will invalidate the interface, so we need - to reclaim it. First, dispose of existing interface, if any. */ - interface = dev->interface; - - if ( device->interface ) - usb_release_interface(dev, dev->interface); - - result = (*(device->device))->SetConfiguration(device->device, configuration); - - if (result) - USB_ERROR_STR(-darwin_to_errno(result), "usb_set_configuration(SetConfiguration): %s", - darwin_error_str(result)); - - /* Reclaim interface */ - if (interface != -1) - result = usb_claim_interface (dev, interface); - - dev->config = configuration; - - return result; -} - -int usb_claim_interface(usb_dev_handle *dev, int interface) -{ - struct darwin_dev_handle *device = dev->impl_info; - - io_return_t result; - - if ( usb_debug > 3 ) - fprintf ( stderr, "usb_claim_interface: called for interface %d\n", interface ); - - if (!device) - USB_ERROR_STR ( -ENOENT, "usb_claim_interface: device is NULL" ); - - if (!(device->device)) - USB_ERROR_STR ( -EINVAL, "usb_claim_interface: device->device is NULL" ); - - /* If we have already claimed an interface, release it */ - if ( device->interface ) - usb_release_interface(dev, dev->interface); - - result = claim_interface ( dev, interface ); - if ( result ) - USB_ERROR_STR ( result, "usb_claim_interface: couldn't claim interface" ); - - dev->interface = interface; - - /* interface is claimed and async IO is set up: return 0 */ - return 0; -} - -int usb_release_interface(usb_dev_handle *dev, int interface) -{ - struct darwin_dev_handle *device; - io_return_t result; - - if (!dev) - USB_ERROR(-ENXIO); - - if ((device = dev->impl_info) == NULL) - USB_ERROR(-ENOENT); - - /* interface is not open */ - if (!device->interface) - return 0; - - result = (*(device->interface))->USBInterfaceClose(device->interface); - - if (result != kIOReturnSuccess) - USB_ERROR_STR(-darwin_to_errno(result), "usb_release_interface(USBInterfaceClose): %s", - darwin_error_str(result)); - - result = (*(device->interface))->Release(device->interface); - - if (result != kIOReturnSuccess) - USB_ERROR_STR(-darwin_to_errno(result), "usb_release_interface(Release): %s", - darwin_error_str(result)); - - device->interface = NULL; - - free (device->endpoint_addrs); - - device->num_endpoints = 0; - device->endpoint_addrs = NULL; - - dev->interface = -1; - dev->altsetting = -1; - - return 0; -} - -int usb_set_altinterface(usb_dev_handle *dev, int alternate) -{ - struct darwin_dev_handle *device; - io_return_t result; - - if (!dev) - USB_ERROR(-ENXIO); - - if ((device = dev->impl_info) == NULL) - USB_ERROR(-ENOENT); - - /* interface is not open */ - if (!device->interface) - USB_ERROR_STR(-EACCES, "usb_set_altinterface: interface used without being claimed"); - - result = (*(device->interface))->SetAlternateInterface(device->interface, alternate); - - if (result) - USB_ERROR_STR(result, "usb_set_altinterface: could not set alternate interface"); - - dev->altsetting = alternate; - - result = get_endpoints (device); - if (result) { - /* this should not happen */ - USB_ERROR_STR ( result, "usb_set_altinterface: could not build endpoint table"); - } - - return 0; -} - -/* simple function that figures out what pipeRef is associated with an endpoint */ -static int ep_to_pipeRef (struct darwin_dev_handle *device, int ep) -{ - int i; - - if (usb_debug > 1) - fprintf(stderr, "libusb/darwin.c ep_to_pipeRef: Converting ep address to pipeRef.\n"); - - for (i = 0 ; i < device->num_endpoints ; i++) - if (device->endpoint_addrs[i] == ep) - return i + 1; - - /* No pipe found with the correct endpoint address */ - if (usb_debug > 1) - fprintf(stderr, "libusb/darwin.c ep_to_pipeRef: No pipeRef found with endpoint address 0x%02x.\n", ep); - - return -1; -} - -/* argument to handle multiple parameters to rw_completed */ -struct rw_complete_arg { - UInt32 io_size; - IOReturn result; - CFRunLoopRef cf_loop; -}; - -static void rw_completed(void *refcon, io_return_t result, void *io_size) -{ - struct rw_complete_arg *rw_arg = (struct rw_complete_arg *)refcon; - - if (usb_debug > 2) - fprintf(stderr, "io async operation completed: %s, size=%lu, result=0x%08x\n", darwin_error_str(result), - (UInt32)io_size, result); - - rw_arg->io_size = (UInt32)io_size; - rw_arg->result = result; - - CFRunLoopStop(rw_arg->cf_loop); -} - -static int usb_bulk_transfer (usb_dev_handle *dev, int ep, char *bytes, int size, int timeout, - rw_async_func_t rw_async, rw_async_to_func_t rw_async_to) -{ - struct darwin_dev_handle *device; - - io_return_t result = -1; - - CFRunLoopSourceRef cfSource; - int pipeRef; - - struct rw_complete_arg rw_arg; - - u_int8_t transferType; - - /* None of the values below are used in libusb for bulk transfers */ - u_int8_t direction, number, interval; - u_int16_t maxPacketSize; - - if (!dev) - USB_ERROR_STR ( -ENXIO, "usb_bulk_transfer: Called with NULL device" ); - - if ((device = dev->impl_info) == NULL) - USB_ERROR_STR ( -ENOENT, "usb_bulk_transfer: Device not open" ); - - /* interface is not open */ - if (!device->interface) - USB_ERROR_STR(-EACCES, "usb_bulk_transfer: Interface used before it was opened"); - - - /* Set up transfer */ - if ((pipeRef = ep_to_pipeRef(device, ep)) < 0) - USB_ERROR_STR ( -EINVAL, "usb_bulk_transfer: Invalid pipe reference" ); - - (*(device->interface))->GetPipeProperties (device->interface, pipeRef, &direction, &number, - &transferType, &maxPacketSize, &interval); - - (*(device->interface))->CreateInterfaceAsyncEventSource(device->interface, &cfSource); - CFRunLoopAddSource(CFRunLoopGetCurrent(), cfSource, kCFRunLoopDefaultMode); - - bzero((void *)&rw_arg, sizeof(struct rw_complete_arg)); - rw_arg.cf_loop = CFRunLoopGetCurrent(); - /* Transfer set up complete */ - - if (usb_debug > 0) - fprintf (stderr, "libusb/darwin.c usb_bulk_transfer: Transfering %i bytes of data on endpoint 0x%02x\n", - size, ep); - - /* Bulk transfer */ - if (transferType == kUSBInterrupt && usb_debug > 3) - fprintf (stderr, "libusb/darwin.c usb_bulk_transfer: USB pipe is an interrupt pipe. Timeouts will not be used.\n"); - - if ( transferType != kUSBInterrupt && rw_async_to != NULL) - - result = rw_async_to (device->interface, pipeRef, bytes, size, timeout, timeout, - (IOAsyncCallback1)rw_completed, (void *)&rw_arg); - else - result = rw_async (device->interface, pipeRef, bytes, size, (IOAsyncCallback1)rw_completed, - (void *)&rw_arg); - - if (result == kIOReturnSuccess) { - /* wait for write to complete */ - if (CFRunLoopRunInMode(kCFRunLoopDefaultMode, (timeout+999)/1000, true) == kCFRunLoopRunTimedOut) { - (*(device->interface))->AbortPipe(device->interface, pipeRef); - CFRunLoopRunInMode(kCFRunLoopDefaultMode, 0, true); /* Pick up aborted callback */ - if (usb_debug) - fprintf(stderr, "usb_bulk_read: input timed out\n"); - } - } - - CFRunLoopRemoveSource(CFRunLoopGetCurrent(), cfSource, kCFRunLoopDefaultMode); - - /* Check the return code of both the write and completion functions. */ - if (result != kIOReturnSuccess || (rw_arg.result != kIOReturnSuccess && - rw_arg.result != kIOReturnAborted) ) { - int error_code; - char *error_str; - - if (result == kIOReturnSuccess) { - error_code = darwin_to_errno (rw_arg.result); - error_str = darwin_error_str (rw_arg.result); - } else { - error_code = darwin_to_errno(result); - error_str = darwin_error_str (result); - } - - if (transferType != kUSBInterrupt && rw_async_to != NULL) - USB_ERROR_STR(-error_code, "usb_bulk_transfer (w/ Timeout): %s", error_str); - else - USB_ERROR_STR(-error_code, "usb_bulk_transfer (No Timeout): %s", error_str); - } - - return rw_arg.io_size; -} - -int usb_bulk_write(usb_dev_handle *dev, int ep, char *bytes, int size, int timeout) -{ - int result; - rw_async_to_func_t to_func = NULL; - struct darwin_dev_handle *device; - - if (dev == NULL || dev->impl_info == NULL) - return -EINVAL; - - device = dev->impl_info; - -#if !defined (LIBUSB_NO_TIMEOUT_INTERFACE) - to_func = (*(device->interface))->WritePipeAsyncTO; -#endif - - if ((result = usb_bulk_transfer (dev, ep, bytes, size, timeout, - (*(device->interface))->WritePipeAsync, to_func)) < 0) - USB_ERROR_STR (result, "usb_bulk_write: An error occured during write (see messages above)"); - - return result; -} - -int usb_bulk_read(usb_dev_handle *dev, int ep, char *bytes, int size, int timeout) -{ - int result; - rw_async_to_func_t to_func = NULL; - struct darwin_dev_handle *device; - - if (dev == NULL || dev->impl_info == NULL) - return -EINVAL; - - ep |= 0x80; - - device = dev->impl_info; - -#if !defined (LIBUSB_NO_TIMEOUT_INTERFACE) - to_func = (*(device->interface))->ReadPipeAsyncTO; -#endif - - if ((result = usb_bulk_transfer (dev, ep, bytes, size, timeout, - (*(device->interface))->ReadPipeAsync, to_func)) < 0) - USB_ERROR_STR (result, "usb_bulk_read: An error occured during read (see messages above)"); - - return result; -} - -/* interrupt endpoints seem to be treated just like any other endpoint under OSX/Darwin */ -int usb_interrupt_write(usb_dev_handle *dev, int ep, char *bytes, int size, - int timeout) -{ - return usb_bulk_write (dev, ep, bytes, size, timeout); -} - -int usb_interrupt_read(usb_dev_handle *dev, int ep, char *bytes, int size, - int timeout) -{ - return usb_bulk_read (dev, ep, bytes, size, timeout); -} - -int usb_control_msg(usb_dev_handle *dev, int requesttype, int request, - int value, int index, char *bytes, int size, int timeout) -{ - struct darwin_dev_handle *device = dev->impl_info; - - io_return_t result; - -#if !defined (LIBUSB_NO_TIMEOUT_DEVICE) - IOUSBDevRequestTO urequest; -#else - IOUSBDevRequest urequest; -#endif - - if (usb_debug >= 3) - fprintf(stderr, "usb_control_msg: %d %d %d %d %p %d %d\n", - requesttype, request, value, index, bytes, size, timeout); - - bzero(&urequest, sizeof(urequest)); - - urequest.bmRequestType = requesttype; - urequest.bRequest = request; - urequest.wValue = value; - urequest.wIndex = index; - urequest.wLength = size; - urequest.pData = bytes; -#if !defined (LIBUSB_NO_TIMEOUT_DEVICE) - urequest.completionTimeout = timeout; - urequest.noDataTimeout = timeout; - - result = (*(device->device))->DeviceRequestTO(device->device, &urequest); -#else - result = (*(device->device))->DeviceRequest(device->device, &urequest); -#endif - if (result != kIOReturnSuccess) - USB_ERROR_STR(-darwin_to_errno(result), "usb_control_msg(DeviceRequestTO): %s", darwin_error_str(result)); - - /* Bytes transfered is stored in the wLenDone field*/ - return urequest.wLenDone; -} - -int usb_os_find_busses(struct usb_bus **busses) -{ - struct usb_bus *fbus = NULL; - - io_iterator_t deviceIterator; - io_return_t result; - - usb_device_t **device; - - UInt32 location; - - char buf[20]; - int i = 1; - - /* Create a master port for communication with IOKit (this should - have been created if the user called usb_init() )*/ - if (masterPort == MACH_PORT_NULL) { - usb_init (); - - if (masterPort == MACH_PORT_NULL) - USB_ERROR(-ENOENT); - } - - if ((result = usb_setup_iterator (&deviceIterator)) < 0) - return result; - - while ((device = usb_get_next_device (deviceIterator, &location)) != NULL) { - struct usb_bus *bus; - - if (location & 0x00ffffff) - continue; - - bus = calloc(1, sizeof(struct usb_bus)); - if (bus == NULL) - USB_ERROR(-ENOMEM); - - sprintf(buf, "%03i", i++); - bus->location = location; - - strncpy(bus->dirname, buf, sizeof(bus->dirname) - 1); - bus->dirname[sizeof(bus->dirname) - 1] = 0; - - LIST_ADD(fbus, bus); - - if (usb_debug >= 2) - fprintf(stderr, "usb_os_find_busses: Found %s\n", bus->dirname); - - (*(device))->Release(device); - } - - IOObjectRelease(deviceIterator); - - *busses = fbus; - - return 0; -} - -int usb_os_find_devices(struct usb_bus *bus, struct usb_device **devices) -{ - struct usb_device *fdev = NULL; - - io_iterator_t deviceIterator; - io_return_t result; - - usb_device_t **device; - - u_int16_t address; - UInt32 location; - UInt32 bus_loc = bus->location; - - /* for use in retrieving device description */ - IOUSBDevRequest req; - - /* a master port should have been created by usb_os_init */ - if (masterPort == MACH_PORT_NULL) - USB_ERROR(-ENOENT); - - if ((result = usb_setup_iterator (&deviceIterator)) < 0) - return result; - - /* Set up request for device descriptor */ - req.bmRequestType = USBmakebmRequestType(kUSBIn, kUSBStandard, kUSBDevice); - req.bRequest = kUSBRqGetDescriptor; - req.wValue = kUSBDeviceDesc << 8; - req.wIndex = 0; - req.wLength = sizeof(IOUSBDeviceDescriptor); - - - while ((device = usb_get_next_device (deviceIterator, &location)) != NULL) { - unsigned char device_desc[DEVICE_DESC_LENGTH]; - - result = (*(device))->GetDeviceAddress(device, (USBDeviceAddress *)&address); - - if (usb_debug >= 2) - fprintf(stderr, "usb_os_find_devices: Found USB device at location 0x%08lx\n", location); - - /* first byte of location appears to be associated with the device's bus */ - if (location >> 24 == bus_loc >> 24) { - struct usb_device *dev; - - dev = calloc(1, sizeof(struct usb_device)); - if (dev == NULL) - USB_ERROR(-ENOMEM); - - dev->bus = bus; - - req.pData = device_desc; - result = (*(device))->DeviceRequest(device, &req); - - usb_parse_descriptor(device_desc, "bbwbbbbwwwbbbb", &dev->descriptor); - - sprintf(dev->filename, "%03i-%04x-%04x-%02x-%02x", address, - dev->descriptor.idVendor, dev->descriptor.idProduct, - dev->descriptor.bDeviceClass, dev->descriptor.bDeviceSubClass); - - dev->dev = (USBDeviceAddress *)malloc(4); - memcpy(dev->dev, &location, 4); - - LIST_ADD(fdev, dev); - - if (usb_debug >= 2) - fprintf(stderr, "usb_os_find_devices: Found %s on %s at location 0x%08lx\n", - dev->filename, bus->dirname, location); - } - - /* release the device now */ - (*(device))->Release(device); - } - - IOObjectRelease(deviceIterator); - - *devices = fdev; - - return 0; -} - -int usb_os_determine_children(struct usb_bus *bus) -{ - /* Nothing yet */ - return 0; -} - -void usb_os_init(void) -{ - if (masterPort == MACH_PORT_NULL) { - IOMasterPort(masterPort, &masterPort); - - gNotifyPort = IONotificationPortCreate(masterPort); - } -} - -void usb_os_cleanup (void) -{ - if (masterPort != MACH_PORT_NULL) - darwin_cleanup (); -} - -int usb_resetep(usb_dev_handle *dev, unsigned int ep) -{ - struct darwin_dev_handle *device; - - io_return_t result = -1; - - int pipeRef; - - if (!dev) - USB_ERROR(-ENXIO); - - if ((device = dev->impl_info) == NULL) - USB_ERROR(-ENOENT); - - /* interface is not open */ - if (!device->interface) - USB_ERROR_STR(-EACCES, "usb_resetep: interface used without being claimed"); - - if ((pipeRef = ep_to_pipeRef(device, ep)) == -1) - USB_ERROR(-EINVAL); - - result = (*(device->interface))->ResetPipe(device->interface, pipeRef); - - if (result != kIOReturnSuccess) - USB_ERROR_STR(-darwin_to_errno(result), "usb_resetep(ResetPipe): %s", darwin_error_str(result)); - - return 0; -} - -int usb_clear_halt(usb_dev_handle *dev, unsigned int ep) -{ - struct darwin_dev_handle *device; - - io_return_t result = -1; - - int pipeRef; - - if (!dev) - USB_ERROR(-ENXIO); - - if ((device = dev->impl_info) == NULL) - USB_ERROR(-ENOENT); - - /* interface is not open */ - if (!device->interface) - USB_ERROR_STR(-EACCES, "usb_clear_halt: interface used without being claimed"); - - if ((pipeRef = ep_to_pipeRef(device, ep)) == -1) - USB_ERROR(-EINVAL); - - result = (*(device->interface))->ClearPipeStall(device->interface, pipeRef); - - if (result != kIOReturnSuccess) - USB_ERROR_STR(-darwin_to_errno(result), "usb_clear_halt(ClearPipeStall): %s", darwin_error_str(result)); - - return 0; -} - -int usb_reset(usb_dev_handle *dev) -{ - struct darwin_dev_handle *device; - - io_return_t result; - - if (!dev) - USB_ERROR(-ENXIO); - - if ((device = dev->impl_info) == NULL) - USB_ERROR(-ENOENT); - - if (!device->device) - USB_ERROR_STR(-ENOENT, "usb_reset: no such device"); - - result = (*(device->device))->ResetDevice(device->device); - - if (result != kIOReturnSuccess) - USB_ERROR_STR(-darwin_to_errno(result), "usb_reset(ResetDevice): %s", darwin_error_str(result)); - - return 0; -} |