Index: uspace/lib/packet/include/net_byteorder.h =================================================================== --- uspace/lib/packet/include/net_byteorder.h (revision 3f0a7971b0a7536c06012fdd2835873631dfa824) +++ uspace/lib/packet/include/net_byteorder.h (revision 3f0a7971b0a7536c06012fdd2835873631dfa824) @@ -0,0 +1,71 @@ +/* + * Copyright (c) 2009 Lukas Mejdrech + * All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * + * - Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * - Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution. + * - The name of the author may not be used to endorse or promote products + * derived from this software without specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR + * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES + * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. + * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, + * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT + * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, + * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY + * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT + * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF + * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. + */ + +/** @addtogroup net + * @{ + */ + +/** @file + * Host - network byte order manipulation functions. + */ + +#ifndef __NET_BYTEORDER_H__ +#define __NET_BYTEORDER_H__ + +#include +#include + + +/** Converts the given short number (16 bit) from the host byte order to the network byte order (big endian). + * @param[in] number The number in the host byte order to be converted. + * @returns The number in the network byte order. + */ +#define htons(number) host2uint16_t_be(number) + +/** Converts the given long number (32 bit) from the host byte order to the network byte order (big endian). + * @param[in] number The number in the host byte order to be converted. + * @returns The number in the network byte order. + */ +#define htonl(number) host2uint32_t_be(number) + +/** Converts the given short number (16 bit) from the network byte order (big endian) to the host byte order. + * @param[in] number The number in the network byte order to be converted. + * @returns The number in the host byte order. + */ +#define ntohs(number) uint16_t_be2host(number) + +/** Converts the given long number (32 bit) from the network byte order (big endian) to the host byte order. + * @param[in] number The number in the network byte order to be converted. + * @returns The number in the host byte order. + */ +#define ntohl(number) uint32_t_be2host(number) + +#endif + +/** @} + */ Index: uspace/lib/packet/include/net_err.h =================================================================== --- uspace/lib/packet/include/net_err.h (revision 3f0a7971b0a7536c06012fdd2835873631dfa824) +++ uspace/lib/packet/include/net_err.h (revision 3f0a7971b0a7536c06012fdd2835873631dfa824) @@ -0,0 +1,99 @@ +/* + * Copyright (c) 2009 Lukas Mejdrech + * All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * + * - Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * - Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution. + * - The name of the author may not be used to endorse or promote products + * derived from this software without specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR + * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES + * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. + * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, + * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT + * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, + * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY + * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT + * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF + * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. + */ + +/** @addtogroup net + * @{ + */ + +/** @file + * Common error processing codes and routines. + */ + +#ifndef __NET_ERR_H__ +#define __NET_ERR_H__ + +#include + +#ifdef CONFIG_DEBUG + #include + #include +#endif + +/** An actual stored error code. + * + */ +#define ERROR_CODE error_check_return_value + +/** An error processing routines declaration. + * + * This has to be declared in the block where the error processing + * is desired. + * + */ +#define ERROR_DECLARE int ERROR_CODE + +/** Store the value as an error code and checks if an error occurred. + * + * @param[in] value The value to be checked. May be a function call. + * @return False if the value indicates success (EOK). + * @return True otherwise. + * + */ +#ifdef CONFIG_DEBUG + +#define ERROR_OCCURRED(value) \ + (((ERROR_CODE = (value)) != EOK) \ + && ({ \ + fprintf(stderr, "libsocket error at %s:%d (%s)\n", \ + __FILE__, __LINE__, str_error(ERROR_CODE)); \ + 1; \ + })) + +#else + +#define ERROR_OCCURRED(value) ((ERROR_CODE = (value)) != EOK) + +#endif + +/** Error propagation + * + * Check if an error occurred and immediately exit the actual + * function returning the error code. + * + * @param[in] value The value to be checked. May be a function call. + * + */ + +#define ERROR_PROPAGATE(value) \ + if (ERROR_OCCURRED(value)) \ + return ERROR_CODE + +#endif + +/** @} + */ Index: uspace/lib/packet/include/socket_errno.h =================================================================== --- uspace/lib/packet/include/socket_errno.h (revision 3f0a7971b0a7536c06012fdd2835873631dfa824) +++ uspace/lib/packet/include/socket_errno.h (revision 3f0a7971b0a7536c06012fdd2835873631dfa824) @@ -0,0 +1,136 @@ +/* + * Copyright (c) 2009 Lukas Mejdrech + * All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * + * - Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * - Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution. + * - The name of the author may not be used to endorse or promote products + * derived from this software without specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR + * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES + * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. + * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, + * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT + * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, + * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY + * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT + * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF + * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. + */ + +/** @addtogroup net + * @{ + */ + +/** @file + * Socket error codes. + * Based on BSD. + */ + +#ifndef __NET_SOCKET_ERR_H__ +#define __NET_SOCKET_ERR_H__ + +#include + +/** @name Socket error codes definitions + */ +/*@{*/ + +////#define EINTR (-10004) +////#define EBADF (-10009) +//#define EACCES (-10013) +//#define EFAULT (-10014) +////#define EINVAL (-10022) +////#define EMFILE (-10024) +//#define EWOULDBLOCK (-10035) + +/** An API function is called while another blocking function is in progress. + */ +#define EINPROGRESS (-10036) + +//#define EALREADY (-10037) + +/** The socket identifier is not valid. + */ +#define ENOTSOCK (-10038) + +/** The destination address required. + */ +#define EDESTADDRREQ (-10039) + +//#define EMSGSIZE (-10040) +//#define EPROTOTYPE (-10041) +//#define ENOPROTOOPT (-10042) + +/** Protocol is not supported. + */ +#define EPROTONOSUPPORT (-10043) + +/** Socket type is not supported. + */ +#define ESOCKTNOSUPPORT (-10044) + +//#define EOPNOTSUPP (-10045) + +/** Protocol family is not supported. + */ +#define EPFNOSUPPORT (-10046) + +/** Address family is not supported. + */ +#define EAFNOSUPPORT (-10047) + +/** Address is already in use. + */ +#define EADDRINUSE (-10048) + +//#define EADDRNOTAVAIL (-10049) +/* May be reported at any time if the implementation detects an underlying failure. + */ +//#define ENETDOWN (-10050) +//#define ENETUNREACH (-10051) +//#define ENETRESET (-10052) +//#define ECONNABORTED (-10053) +//#define ECONNRESET (-10054) +//#define ENOBUFS (-10055) +//#define EISCONN (-10056) + +/** The socket is not connected or bound. + */ +#define ENOTCONN (-10057) + +//#define ESHUTDOWN (-10058) +//#define ETOOMANYREFS (-10059) +//#define ETIMEDOUT (-10060) +//#define ECONNREFUSED (-10061) +//#define ELOOP (-10062) +////#define ENAMETOOLONG (-10063) +//#define EHOSTDOWN (-10064) +//#define EHOSTUNREACH (-10065) +//#define HOST_NOT_FOUND (-11001) + +/** The requested operation was not performed. + * Try again later. + */ +#define TRY_AGAIN (-11002) + +//#define NO_RECOVERY (-11003) + +/** No data. + */ +#define NO_DATA (-11004) + +/*@}*/ + +#endif + +/** @} + */ Index: uspace/lib/usb/Makefile =================================================================== --- uspace/lib/usb/Makefile (revision 3f0a7971b0a7536c06012fdd2835873631dfa824) +++ uspace/lib/usb/Makefile (revision 3f0a7971b0a7536c06012fdd2835873631dfa824) @@ -0,0 +1,40 @@ +# +# Copyright (c) 2010 Vojtech Horky +# All rights reserved. +# +# Redistribution and use in source and binary forms, with or without +# modification, are permitted provided that the following conditions +# are met: +# +# - Redistributions of source code must retain the above copyright +# notice, this list of conditions and the following disclaimer. +# - Redistributions in binary form must reproduce the above copyright +# notice, this list of conditions and the following disclaimer in the +# documentation and/or other materials provided with the distribution. +# - The name of the author may not be used to endorse or promote products +# derived from this software without specific prior written permission. +# +# THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR +# IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES +# OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. +# IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, +# INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT +# NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, +# DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY +# THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT +# (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF +# THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. +# + +USPACE_PREFIX = ../.. +LIBRARY = libusb +LIBS = $(LIBDRV_PREFIX)/libdrv.a +EXTRA_CFLAGS += -I$(LIBDRV_PREFIX)/include + +SOURCES = \ + hcd.c \ + hcdhubd.c \ + usb.c \ + usbdrv.c + +include $(USPACE_PREFIX)/Makefile.common Index: uspace/lib/usb/classes.h =================================================================== --- uspace/lib/usb/classes.h (revision 3f0a7971b0a7536c06012fdd2835873631dfa824) +++ uspace/lib/usb/classes.h (revision 3f0a7971b0a7536c06012fdd2835873631dfa824) @@ -0,0 +1,66 @@ +/* + * Copyright (c) 2010 Vojtech Horky + * All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * + * - Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * - Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution. + * - The name of the author may not be used to endorse or promote products + * derived from this software without specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR + * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES + * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. + * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, + * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT + * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, + * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY + * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT + * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF + * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. + */ + +/** @addtogroup libusb usb + * @{ + */ +/** @file + * @brief USB device classes and subclasses. + */ +#ifndef LIBUSB_CLASSES_H_ +#define LIBUSB_CLASSES_H_ + +/** USB device class. */ +typedef enum { + USB_CLASS_USE_INTERFACE = 0x00, + USB_CLASS_AUDIO = 0x01, + USB_CLASS_COMMUNICATIONS_CDC_CONTROL = 0x02, + USB_CLASS_HID = 0x03, + USB_CLASS_PHYSICAL = 0x05, + USB_CLASS_IMAGE = 0x06, + USB_CLASS_PRINTER = 0x07, + USB_CLASS_MASS_STORAGE = 0x08, + USB_CLASS_HUB = 0x09, + USB_CLASS_CDC_DATA = 0x0A, + USB_CLASS_SMART_CARD = 0x0B, + USB_CLASS_CONTENT_SECURITY = 0x0D, + USB_CLASS_VIDEO = 0x0E, + USB_CLASS_PERSONAL_HEALTHCARE = 0x0F, + USB_CLASS_DIAGNOSTIC = 0xDC, + USB_CLASS_WIRELESS_CONTROLLER = 0xE0, + USB_CLASS_MISCELLANEOUS = 0xEF, + USB_CLASS_APPLICATION_SPECIFIC = 0xFE, + USB_CLASS_VENDOR_SPECIFIC = 0xFF, + /* USB_CLASS_ = 0x, */ +} usb_class_t; + + +#endif +/** + * @} + */ Index: uspace/lib/usb/descriptor.h =================================================================== --- uspace/lib/usb/descriptor.h (revision 3f0a7971b0a7536c06012fdd2835873631dfa824) +++ uspace/lib/usb/descriptor.h (revision 3f0a7971b0a7536c06012fdd2835873631dfa824) @@ -0,0 +1,176 @@ +/* + * Copyright (c) 2010 Vojtech Horky + * All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * + * - Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * - Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution. + * - The name of the author may not be used to endorse or promote products + * derived from this software without specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR + * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES + * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. + * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, + * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT + * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, + * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY + * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT + * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF + * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. + */ + +/** @addtogroup libusb usb + * @{ + */ +/** @file + * @brief Standard USB descriptors. + */ +#ifndef LIBUSB_DESCRIPTOR_H_ +#define LIBUSB_DESCRIPTOR_H_ + +#include +#include + +/** Descriptor type. */ +typedef enum { + USB_DESCTYPE_DEVICE = 1, + USB_DESCTYPE_CONFIGURATION = 2, + USB_DESCTYPE_STRING = 3, + USB_DESCTYPE_INTERFACE = 4, + USB_DESCTYPE_ENDPOINT = 5, + USB_DESCTYPE_HID = 0x21, + USB_DESCTYPE_HID_REPORT = 0x22, + USB_DESCTYPE_HID_PHYSICAL = 0x23, + USB_DESCTYPE_HUB = 0x29, + /* USB_DESCTYPE_ = */ +} usb_descriptor_type_t; + +/** Standard USB device descriptor. + */ +typedef struct { + /** Size of this descriptor in bytes. */ + uint8_t length; + /** Descriptor type (USB_DESCTYPE_DEVICE). */ + uint8_t descriptor_type; + /** USB specification release number. + * The number shall be coded as binary-coded decimal (BCD). + */ + uint16_t usb_spec_version; + /** Device class. */ + uint8_t device_class; + /** Device sub-class. */ + uint8_t device_subclass; + /** Device protocol. */ + uint8_t device_protocol; + /** Maximum packet size for endpoint zero. + * Valid values are only 8, 16, 32, 64). + */ + uint8_t max_packet_size; + /** Vendor ID. */ + uint16_t vendor_id; + /** Product ID. */ + uint16_t product_id; + /** Device release number (in BCD). */ + uint16_t device_version; + /** Manufacturer descriptor index. */ + uint8_t str_manufacturer; + /** Product descriptor index. */ + uint8_t str_product; + /** Device serial number desriptor index. */ + uint8_t str_serial_number; + /** Number of possible configurations. */ + uint8_t configuration_count; +} __attribute__ ((packed)) usb_standard_device_descriptor_t; + +/** Standard USB configuration descriptor. + */ +typedef struct { + /** Size of this descriptor in bytes. */ + uint8_t length; + /** Descriptor type (USB_DESCTYPE_CONFIGURATION). */ + uint8_t descriptor_type; + /** Total length of all data of this configuration. + * This includes the combined length of all descriptors + * (configuration, interface, endpoint, class-specific and + * vendor-specific) valid for this configuration. + */ + uint16_t total_length; + /** Number of possible interfaces under this configuration. */ + uint8_t interface_count; + /** Configuration value used when setting this configuration. */ + uint8_t configuration_number; + /** String descriptor describing this configuration. */ + uint8_t str_configuration; + /** Attribute bitmap. */ + uint8_t attributes; + /** Maximum power consumption from the USB under this configuration. + * Expressed in 2mA unit (e.g. 50 ~ 100mA). + */ + uint8_t max_power; +} __attribute__ ((packed)) usb_standard_configuration_descriptor_t; + +/** Standard USB interface descriptor. + */ +typedef struct { + /** Size of this descriptor in bytes. */ + uint8_t length; + /** Descriptor type (USB_DESCTYPE_INTERFACE). */ + uint8_t descriptor_type; + /** Number of interface. + * Zero-based index into array of interfaces for current configuration. + */ + uint8_t interface_number; + /** Alternate setting for value in interface_number. */ + uint8_t alternate_setting; + /** Number of endpoints used by this interface. + * This number must exclude usage of endpoint zero + * (default control pipe). + */ + uint8_t endpoint_count; + /** Class code. */ + uint8_t interface_class; + /** Subclass code. */ + uint8_t interface_subclass; + /** Protocol code. */ + uint8_t interface_protocol; + /** String descriptor describing this interface. */ + uint8_t str_interface; +} __attribute__ ((packed)) usb_standard_interface_descriptor_t; + +/** Standard USB endpoint descriptor. + */ +typedef struct { + /** Size of this descriptor in bytes. */ + uint8_t length; + /** Descriptor type (USB_DESCTYPE_ENDPOINT). */ + uint8_t descriptor_type; + /** Endpoint address together with data flow direction. */ + uint8_t endpoint_address; + /** Endpoint attributes. + * Includes transfer type (usb_transfer_type_t). + */ + uint8_t attributes; + /** Maximum packet size. */ + uint16_t max_packet_size; + /** Polling interval in milliseconds. + * Ignored for bulk and control endpoints. + * Isochronous endpoints must use value 1. + * Interrupt endpoints any value from 1 to 255. + */ + uint8_t poll_interval; +} __attribute__ ((packed)) usb_standard_endpoint_descriptor_t; + + +/* TODO: string descriptors. */ + +#endif +/** + * @} + */ Index: uspace/lib/usb/devreq.h =================================================================== --- uspace/lib/usb/devreq.h (revision 3f0a7971b0a7536c06012fdd2835873631dfa824) +++ uspace/lib/usb/devreq.h (revision 3f0a7971b0a7536c06012fdd2835873631dfa824) @@ -0,0 +1,88 @@ +/* + * Copyright (c) 2010 Vojtech Horky + * All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * + * - Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * - Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution. + * - The name of the author may not be used to endorse or promote products + * derived from this software without specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR + * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES + * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. + * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, + * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT + * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, + * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY + * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT + * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF + * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. + */ + +/** @addtogroup libusb usb + * @{ + */ +/** @file + * @brief Standard USB device requests. + */ +#ifndef LIBUSB_DEVREQ_H_ +#define LIBUSB_DEVREQ_H_ + +#include +#include + +/** Standard device request. */ +typedef enum { + USB_DEVREQ_GET_STATUS = 0, + USB_DEVREQ_CLEAR_FEATURE = 1, + USB_DEVREQ_SET_FEATURE = 3, + USB_DEVREQ_SET_ADDRESS = 5, + USB_DEVREQ_GET_DESCRIPTOR = 6, + USB_DEVREQ_SET_DESCRIPTOR = 7, + USB_DEVREQ_GET_CONFIGURATION = 8, + USB_DEVREQ_SET_CONFIGURATION = 9, + USB_DEVREQ_GET_INTERFACE = 10, + USB_DEVREQ_SET_INTERFACE = 11, + USB_DEVREQ_SYNCH_FRAME = 12, + USB_DEVREQ_LAST_STD +} usb_stddevreq_t; + +/** Device request setup packet. + * The setup packet describes the request. + */ +typedef struct { + /** Request type. + * The type combines transfer direction, request type and + * intended recipient. + */ + uint8_t request_type; + /** Request identification. */ + uint8_t request; + /** Main parameter to the request. */ + union { + /* FIXME: add #ifdefs according to host endianess */ + struct { + uint8_t value_low; + uint8_t value_high; + }; + uint16_t value; + }; + /** Auxilary parameter to the request. + * Typically, it is offset to something. + */ + uint16_t index; + /** Length of extra data. */ + uint16_t length; +} __attribute__ ((packed)) usb_device_request_setup_packet_t; + +#endif +/** + * @} + */ Index: uspace/lib/usb/hcd.c =================================================================== --- uspace/lib/usb/hcd.c (revision 3f0a7971b0a7536c06012fdd2835873631dfa824) +++ uspace/lib/usb/hcd.c (revision 3f0a7971b0a7536c06012fdd2835873631dfa824) @@ -0,0 +1,432 @@ +/* + * Copyright (c) 2010 Vojtech Horky + * All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * + * - Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * - Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution. + * - The name of the author may not be used to endorse or promote products + * derived from this software without specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR + * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES + * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. + * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, + * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT + * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, + * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY + * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT + * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF + * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. + */ + +/** @addtogroup libusb usb + * @{ + */ +/** @file + * @brief USB Host Controller Driver (implementation). + */ +#include "hcd.h" +#include +#include +#include +#include +#include + +/** Information about pending transaction on HC. */ +typedef struct { + /** Phone to host controller driver. */ + int phone; + /** Data buffer. */ + void *buffer; + /** Buffer size. */ + size_t size; + /** Storage for actual number of bytes transferred. */ + size_t *size_transferred; + /** Initial call replay data. */ + ipc_call_t reply; + /** Initial call identifier. */ + aid_t request; +} transfer_info_t; + +#define NAMESPACE "usb" + + +/** String representation of USB transaction outcome. */ +const char * usb_str_transaction_outcome(usb_transaction_outcome_t o) +{ + switch (o) { + case USB_OUTCOME_OK: + return "ok"; + case USB_OUTCOME_CRCERROR: + return "CRC error"; + case USB_OUTCOME_BABBLE: + return "babble"; + default: + return "unknown"; + } +} + +/** Create necessary phones for communicating with HCD. + * This function wraps following calls: + * -# open /dev/usb/hcd_path for reading + * -# access phone of file opened in previous step + * -# return the (outgoing) phone + * + * @warning This function is wrapper for several actions and therefore + * it is not possible - in case of error - to determine at which point + * error occurred. + * + * @param hcd_path HCD identification under devfs + * (without /dev/usb/). + * @return Phone for communicating with HCD or error code from errno.h. + */ +int usb_hcd_connect(const char * hcd_path) +{ + char dev_path[DEVMAP_NAME_MAXLEN + 1]; + snprintf(dev_path, DEVMAP_NAME_MAXLEN, + "/dev/%s/%s", NAMESPACE, hcd_path); + + int fd = open(dev_path, O_RDONLY); + if (fd < 0) { + return fd; + } + + int hcd_phone = fd_phone(fd); + + if (hcd_phone < 0) { + return hcd_phone; + } + + return hcd_phone; +} + +/** Send data to HCD. + * + * @param phone Opened phone to HCD. + * @param method Method used for calling. + * @param target Target device. + * @param buffer Data buffer (NULL to skip data transfer phase). + * @param size Buffer size (must be zero when @p buffer is NULL). + * @param handle Storage for transaction handle (cannot be NULL). + * @return Error status. + * @retval EINVAL Invalid parameter. + * @retval ENOMEM Not enough memory to complete the operation. + */ +static int async_send_buffer(int phone, int method, + usb_target_t target, + void *buffer, size_t size, + usb_handle_t *handle) +{ + if (phone < 0) { + return EINVAL; + } + + if ((buffer == NULL) && (size > 0)) { + return EINVAL; + } + + if (handle == NULL) { + return EINVAL; + } + + transfer_info_t *transfer + = (transfer_info_t *) malloc(sizeof(transfer_info_t)); + if (transfer == NULL) { + return ENOMEM; + } + + transfer->size_transferred = NULL; + transfer->buffer = NULL; + transfer->size = 0; + transfer->phone = phone; + + int rc; + + transfer->request = async_send_3(phone, + method, + target.address, target.endpoint, + size, + &transfer->reply); + + if (size > 0) { + rc = async_data_write_start(phone, buffer, size); + if (rc != EOK) { + async_wait_for(transfer->request, NULL); + return rc; + } + } + + *handle = (usb_handle_t) transfer; + + return EOK; +} + +/** Prepare data retrieval. + * + * @param phone Opened phone to HCD. + * @param method Method used for calling. + * @param target Target device. + * @param buffer Buffer where to store retrieved data + * (NULL to skip data transfer phase). + * @param size Buffer size (must be zero when @p buffer is NULL). + * @param actual_size Storage where actual number of bytes transferred will + * be stored. + * @param handle Storage for transaction handle (cannot be NULL). + * @return Error status. + * @retval EINVAL Invalid parameter. + * @retval ENOMEM Not enough memory to complete the operation. + */ +static int async_recv_buffer(int phone, int method, + usb_target_t target, + void *buffer, size_t size, size_t *actual_size, + usb_handle_t *handle) +{ + if (phone < 0) { + return EINVAL; + } + + if ((buffer == NULL) && (size > 0)) { + return EINVAL; + } + + if (handle == NULL) { + return EINVAL; + } + + transfer_info_t *transfer + = (transfer_info_t *) malloc(sizeof(transfer_info_t)); + if (transfer == NULL) { + return ENOMEM; + } + + transfer->size_transferred = actual_size; + transfer->buffer = buffer; + transfer->size = size; + transfer->phone = phone; + + transfer->request = async_send_3(phone, + method, + target.address, target.endpoint, + size, + &transfer->reply); + + *handle = (usb_handle_t) transfer; + + return EOK; +} + +/** Read buffer from HCD. + * + * @param phone Opened phone to HCD. + * @param hash Buffer hash (obtained after completing IN transaction). + * @param buffer Buffer where to store data data. + * @param size Buffer size. + * @param actual_size Storage where actual number of bytes transferred will + * be stored. + * @return Error status. + */ +static int read_buffer_in(int phone, ipcarg_t hash, + void *buffer, size_t size, size_t *actual_size) +{ + ipc_call_t answer_data; + ipcarg_t answer_rc; + aid_t req; + int rc; + + req = async_send_1(phone, + IPC_M_USB_HCD_GET_BUFFER_ASYNC, + hash, + &answer_data); + + rc = async_data_read_start(phone, buffer, size); + if (rc != EOK) { + async_wait_for(req, NULL); + return EINVAL; + } + + async_wait_for(req, &answer_rc); + rc = (int)answer_rc; + + if (rc != EOK) { + return rc; + } + + *actual_size = IPC_GET_ARG1(answer_data); + + return EOK; +} + +/** Blocks caller until given USB transaction is finished. + * After the transaction is finished, the user can access all output data + * given to initial call function. + * + * @param handle Transaction handle. + * @return Error status. + * @retval EOK No error. + * @retval EBADMEM Invalid handle. + * @retval ENOENT Data buffer associated with transaction does not exist. + */ +int usb_hcd_async_wait_for(usb_handle_t handle) +{ + if (handle == 0) { + return EBADMEM; + } + + int rc = EOK; + + transfer_info_t *transfer = (transfer_info_t *) handle; + + ipcarg_t answer_rc; + async_wait_for(transfer->request, &answer_rc); + + if (answer_rc != EOK) { + rc = (int) answer_rc; + goto leave; + } + + /* + * If the buffer is not NULL, we must accept some data. + */ + if ((transfer->buffer != NULL) && (transfer->size > 0)) { + /* + * The buffer hash identifies the data on the server + * side. + * We will use it when actually reading-in the data. + */ + ipcarg_t buffer_hash = IPC_GET_ARG1(transfer->reply); + if (buffer_hash == 0) { + rc = ENOENT; + goto leave; + } + + size_t actual_size; + rc = read_buffer_in(transfer->phone, buffer_hash, + transfer->buffer, transfer->size, &actual_size); + + if (rc != EOK) { + goto leave; + } + + if (transfer->size_transferred) { + *(transfer->size_transferred) = actual_size; + } + } + +leave: + free(transfer); + + return rc; +} + +/** Send interrupt data to device. */ +int usb_hcd_async_transfer_interrupt_out(int hcd_phone, + usb_target_t target, + void *buffer, size_t size, + usb_handle_t *handle) +{ + return async_send_buffer(hcd_phone, + IPC_M_USB_HCD_INTERRUPT_OUT_ASYNC, + target, + buffer, size, + handle); +} + +/** Request interrupt data from device. */ +int usb_hcd_async_transfer_interrupt_in(int hcd_phone, + usb_target_t target, + void *buffer, size_t size, size_t *actual_size, + usb_handle_t *handle) +{ + return async_recv_buffer(hcd_phone, + IPC_M_USB_HCD_INTERRUPT_IN_ASYNC, + target, + buffer, size, actual_size, + handle); +} + +/** Start WRITE control transfer. */ +int usb_hcd_async_transfer_control_write_setup(int hcd_phone, + usb_target_t target, + void *buffer, size_t size, + usb_handle_t *handle) +{ + return async_send_buffer(hcd_phone, + IPC_M_USB_HCD_CONTROL_WRITE_SETUP_ASYNC, + target, + buffer, size, + handle); +} + +/** Send data during WRITE control transfer. */ +int usb_hcd_async_transfer_control_write_data(int hcd_phone, + usb_target_t target, + void *buffer, size_t size, + usb_handle_t *handle) +{ + return async_send_buffer(hcd_phone, + IPC_M_USB_HCD_CONTROL_WRITE_DATA_ASYNC, + target, + buffer, size, + handle); +} + +/** Terminate WRITE control transfer. */ +int usb_hcd_async_transfer_control_write_status(int hcd_phone, + usb_target_t target, + usb_handle_t *handle) +{ + return async_recv_buffer(hcd_phone, + IPC_M_USB_HCD_CONTROL_WRITE_STATUS_ASYNC, + target, + NULL, 0, NULL, + handle); +} + +/** Start READ control transfer. */ +int usb_hcd_async_transfer_control_read_setup(int hcd_phone, + usb_target_t target, + void *buffer, size_t size, + usb_handle_t *handle) +{ + return async_send_buffer(hcd_phone, + IPC_M_USB_HCD_CONTROL_READ_SETUP_ASYNC, + target, + buffer, size, + handle); +} + +/** Request data during READ control transfer. */ +int usb_hcd_async_transfer_control_read_data(int hcd_phone, + usb_target_t target, + void *buffer, size_t size, size_t *actual_size, + usb_handle_t *handle) +{ + return async_recv_buffer(hcd_phone, + IPC_M_USB_HCD_CONTROL_READ_DATA_ASYNC, + target, + buffer, size, actual_size, + handle); +} + +/** Terminate READ control transfer. */ +int usb_hcd_async_transfer_control_read_status(int hcd_phone, + usb_target_t target, + usb_handle_t *handle) +{ + return async_send_buffer(hcd_phone, + IPC_M_USB_HCD_CONTROL_READ_STATUS_ASYNC, + target, + NULL, 0, + handle); +} + +/** + * @} + */ Index: uspace/lib/usb/hcd.h =================================================================== --- uspace/lib/usb/hcd.h (revision 3f0a7971b0a7536c06012fdd2835873631dfa824) +++ uspace/lib/usb/hcd.h (revision 3f0a7971b0a7536c06012fdd2835873631dfa824) @@ -0,0 +1,261 @@ +/* + * Copyright (c) 2010 Vojtech Horky + * All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * + * - Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * - Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution. + * - The name of the author may not be used to endorse or promote products + * derived from this software without specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR + * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES + * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. + * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, + * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT + * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, + * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY + * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT + * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF + * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. + */ + +/** @addtogroup libusb usb + * @{ + */ +/** @file + * @brief USB Host Controller Driver. + */ +#ifndef LIBUSB_HCD_H_ +#define LIBUSB_HCD_H_ + +#include "usb.h" + +#include +#include + +/** Maximum size of transaction payload. */ +#define USB_MAX_PAYLOAD_SIZE 1020 + +/** Opaque handle of active USB transaction. + * This handle is when informing about transaction outcome (or status). + */ +typedef ipcarg_t usb_transaction_handle_t; + +/** USB transaction outcome. */ +typedef enum { + USB_OUTCOME_OK, + USB_OUTCOME_CRCERROR, + USB_OUTCOME_BABBLE +} usb_transaction_outcome_t; + +/** USB packet identifier. */ +typedef enum { +#define _MAKE_PID_NIBBLE(tag, type) \ + ((uint8_t)(((tag) << 2) | (type))) +#define _MAKE_PID(tag, type) \ + ( \ + _MAKE_PID_NIBBLE(tag, type) \ + | ((~_MAKE_PID_NIBBLE(tag, type)) << 4) \ + ) + USB_PID_OUT = _MAKE_PID(0, 1), + USB_PID_IN = _MAKE_PID(2, 1), + USB_PID_SOF = _MAKE_PID(1, 1), + USB_PID_SETUP = _MAKE_PID(3, 1), + + USB_PID_DATA0 = _MAKE_PID(0 ,3), + USB_PID_DATA1 = _MAKE_PID(2 ,3), + + USB_PID_ACK = _MAKE_PID(0 ,2), + USB_PID_NAK = _MAKE_PID(2 ,2), + USB_PID_STALL = _MAKE_PID(3 ,2), + + USB_PID_PRE = _MAKE_PID(3 ,0), + /* USB_PID_ = _MAKE_PID( ,), */ +#undef _MAKE_PID +#undef _MAKE_PID_NIBBLE +} usb_packet_id; + +const char * usb_str_transaction_outcome(usb_transaction_outcome_t o); + +/** IPC methods for HCD. + * + * Notes for async methods: + * + * Methods for sending data to device (OUT transactions) + * - e.g. IPC_M_USB_HCD_INTERRUPT_OUT_ASYNC - + * always use the same semantics: + * - first, IPC call with given method is made + * - argument #1 is target address + * - argument #2 is target endpoint + * - argument #3 is buffer size + * - this call is immediately followed by IPC data write (from caller) + * - the initial call (and the whole transaction) is answer after the + * transaction is scheduled by the HC and acknowledged by the device + * or immediatelly after error is detected + * - the answer carries only the error code + * + * Methods for retrieving data from device (IN transactions) + * - e.g. IPC_M_USB_HCD_INTERRUPT_IN_ASYNC - + * also use the same semantics: + * - first, IPC call with given method is made + * - argument #1 is target address + * - argument #2 is target endpoint + * - argument #3 is buffer size + * - the call is not answered until the device returns some data (or until + * error occurs) + * - if the call is answered with EOK, first argument of the answer is buffer + * hash that could be used to retrieve the actual data + * + * Some special methods (NO-DATA transactions) do not send any data. These + * might behave as both OUT or IN transactions because communication parts + * where actual buffers are exchanged are ommitted. + * + * The mentioned data retrieval can be done any time after receiving EOK + * answer to IN method. + * This retrieval is done using the IPC_M_USB_HCD_GET_BUFFER_ASYNC where + * the first argument is buffer hash from call answer. + * This call must be immediatelly followed by data read-in and after the + * data are transferred, the initial call (IPC_M_USB_HCD_GET_BUFFER_ASYNC) + * is answered. Each buffer can be retrieved only once. + * + * For all these methods, wrap functions exists. Important rule: functions + * for IN transactions have (as parameters) buffers where retrieved data + * will be stored. These buffers must be already allocated and shall not be + * touch until the transaction is completed + * (e.g. not before calling usb_hcd_async_wait_for() with appropriate handle). + * OUT transactions buffers can be freed immediatelly after call is dispatched + * (i.e. after return from wrapping function). + * + */ +typedef enum { + /** Tell maximum size of the transaction buffer (payload). + * + * Arguments of the call: + * (none) + * + * Answer: + * - EOK - always + * + * Arguments of the answer: + * - buffer size (in bytes): + */ + IPC_M_USB_HCD_TRANSACTION_SIZE = IPC_FIRST_USER_METHOD, + + /** Asks for data buffer. + * See explanation at usb_hcd_method_t. + */ + IPC_M_USB_HCD_GET_BUFFER_ASYNC, + + + + /** Send interrupt data to device. + * See explanation at usb_hcd_method_t (OUT transaction). + */ + IPC_M_USB_HCD_INTERRUPT_OUT_ASYNC, + + /** Get interrupt data from device. + * See explanation at usb_hcd_method_t (IN transaction). + */ + IPC_M_USB_HCD_INTERRUPT_IN_ASYNC, + + + /** Start WRITE control transfer. + * See explanation at usb_hcd_method_t (OUT transaction). + */ + IPC_M_USB_HCD_CONTROL_WRITE_SETUP_ASYNC, + + /** Send control-transfer data to device. + * See explanation at usb_hcd_method_t (OUT transaction). + */ + IPC_M_USB_HCD_CONTROL_WRITE_DATA_ASYNC, + + /** Terminate WRITE control transfer. + * See explanation at usb_hcd_method_t (NO-DATA transaction). + */ + IPC_M_USB_HCD_CONTROL_WRITE_STATUS_ASYNC, + + + + /** Start READ control transfer. + * See explanation at usb_hcd_method_t (OUT transaction). + */ + IPC_M_USB_HCD_CONTROL_READ_SETUP_ASYNC, + + /** Get control-transfer data from device. + * See explanation at usb_hcd_method_t (IN transaction). + */ + IPC_M_USB_HCD_CONTROL_READ_DATA_ASYNC, + + /** Terminate READ control transfer. + * See explanation at usb_hcd_method_t (NO-DATA transaction). + */ + IPC_M_USB_HCD_CONTROL_READ_STATUS_ASYNC, + + + /* IPC_M_USB_HCD_ */ +} usb_hcd_method_t; + +/** IPC methods for callbacks from HCD. */ +typedef enum { + /** Confimation after data sent. + * + * Arguments of the call: + * - transaction handle + * - transaction outcome + */ + IPC_M_USB_HCD_DATA_SENT = IPC_FIRST_USER_METHOD, + + /** Notification of data received. + * This call initiates sending a data buffer from HCD to the client. + * See IPC_M_USB_HCD_SEND_DATA for details for buffer transfer is + * done. + * + * Arguments of the call: + * - transaction handle + * - transaction outcome + * - actual data length + */ + IPC_M_USB_HCD_DATA_RECEIVED, + + /** Notification about a serious trouble with HC. + */ + IPC_M_USB_HCD_CONTROLLER_FAILURE, + + /* IPC_M_USB_HCD_ */ +} usb_hcd_callback_method_t; + + +int usb_hcd_connect(const char *); + +int usb_hcd_async_transfer_interrupt_out(int, usb_target_t, + void *, size_t, usb_handle_t *); +int usb_hcd_async_transfer_interrupt_in(int, usb_target_t, + void *, size_t, size_t *, usb_handle_t *); + +int usb_hcd_async_transfer_control_write_setup(int, usb_target_t, + void *, size_t, usb_handle_t *); +int usb_hcd_async_transfer_control_write_data(int, usb_target_t, + void *, size_t, usb_handle_t *); +int usb_hcd_async_transfer_control_write_status(int, usb_target_t, + usb_handle_t *); + +int usb_hcd_async_transfer_control_read_setup(int, usb_target_t, + void *, size_t, usb_handle_t *); +int usb_hcd_async_transfer_control_read_data(int, usb_target_t, + void *, size_t, size_t *, usb_handle_t *); +int usb_hcd_async_transfer_control_read_status(int, usb_target_t, + usb_handle_t *); + +int usb_hcd_async_wait_for(usb_handle_t); + +#endif +/** + * @} + */ Index: uspace/lib/usb/hcdhubd.c =================================================================== --- uspace/lib/usb/hcdhubd.c (revision 3f0a7971b0a7536c06012fdd2835873631dfa824) +++ uspace/lib/usb/hcdhubd.c (revision 3f0a7971b0a7536c06012fdd2835873631dfa824) @@ -0,0 +1,275 @@ +/* + * Copyright (c) 2010 Vojtech Horky + * All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * + * - Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * - Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution. + * - The name of the author may not be used to endorse or promote products + * derived from this software without specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR + * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES + * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. + * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, + * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT + * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, + * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY + * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT + * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF + * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. + */ + +/** @addtogroup libusb usb + * @{ + */ +/** @file + * @brief HC driver and hub driver (implementation). + */ +#include "hcdhubd.h" +#include +#include +#include + +/** List of handled host controllers. */ +static LIST_INITIALIZE(hc_list); + +/** Our HC driver. */ +static usb_hc_driver_t *hc_driver = NULL; + +/** Callback when new device is detected and must be handled by this driver. + * + * @param dev New device. + * @return Error code. + */ +static int add_device(device_t *dev) +{ + /* + * FIXME: use some magic to determine whether hub or another HC + * was connected. + */ + bool is_hc = true; + + if (is_hc) { + /* + * We are the HC itself. + */ + usb_hc_device_t *hc_dev = malloc(sizeof(usb_hc_device_t)); + list_initialize(&hc_dev->link); + + hc_dev->generic = dev; + int rc = hc_driver->add_hc(hc_dev); + if (rc != EOK) { + free(hc_dev); + return rc; + } + + add_device_to_class(dev, "usbhc"); + + list_append(&hc_dev->link, &hc_list); + + return EOK; + } else { + /* + * We are some (probably deeply nested) hub. + * Thus, assign our own operations and explore already + * connected devices. + */ + return ENOTSUP; + } +} + +/** Check changes on all known hubs. + */ +static void check_hub_changes(void) +{ + /* + * Iterate through all HCs. + */ + link_t *link_hc; + for (link_hc = hc_list.next; + link_hc != &hc_list; + link_hc = link_hc->next) { + usb_hc_device_t *hc = list_get_instance(link_hc, + usb_hc_device_t, link); + /* + * Iterate through all their hubs. + */ + link_t *link_hub; + for (link_hub = hc->hubs.next; + link_hub != &hc->hubs; + link_hub = link_hub->next) { + usb_hcd_hub_info_t *hub = list_get_instance(link_hub, + usb_hcd_hub_info_t, link); + + /* + * Check status change pipe of this hub. + */ + usb_target_t target = { + .address = hub->device->address, + .endpoint = 1 + }; + + // FIXME: count properly + size_t byte_length = (hub->port_count / 8) + 1; + + void *change_bitmap = malloc(byte_length); + size_t actual_size; + usb_handle_t handle; + + /* + * Send the request. + * FIXME: check returned value for possible errors + */ + usb_hcd_local_transfer_interrupt_in(hc, target, + change_bitmap, byte_length, &actual_size, + &handle); + + usb_hcd_local_wait_for(handle); + + /* + * TODO: handle the changes. + */ + } + } +} + +/** Operations for combined HC and HUB driver. */ +static driver_ops_t hc_driver_generic_ops = { + .add_device = add_device +}; + +/** Combined HC and HUB driver. */ +static driver_t hc_driver_generic = { + .driver_ops = &hc_driver_generic_ops +}; + +/** Main USB host controller driver routine. + * + * @see driver_main + * + * @param hc Host controller driver. + * @return Error code. + */ +int usb_hcd_main(usb_hc_driver_t *hc) +{ + hc_driver = hc; + hc_driver_generic.name = hc->name; + + /* + * Launch here fibril that will periodically check all + * attached hubs for status change. + * WARN: This call will effectively do nothing. + */ + check_hub_changes(); + + /* + * Run the device driver framework. + */ + return driver_main(&hc_driver_generic); +} + +/** Add a root hub for given host controller. + * This function shall be called only once for each host controller driven + * by this driver. + * It takes care of creating child device - hub - that will be driven by + * this task. + * + * @param dev Host controller device. + * @return Error code. + */ +int usb_hcd_add_root_hub(usb_hc_device_t *dev) +{ + /* + * Announce presence of child device. + */ + device_t *hub = NULL; + match_id_t *match_id = NULL; + int rc; + + hub = create_device(); + if (hub == NULL) { + rc = ENOMEM; + goto failure; + } + hub->name = "usbhub"; + + match_id = create_match_id(); + if (match_id == NULL) { + rc = ENOMEM; + goto failure; + } + + char *id; + rc = asprintf(&id, "usb&hc=%s&hub", dev->generic->name); + if (rc <= 0) { + rc = ENOMEM; + goto failure; + } + + match_id->id = id; + match_id->score = 10; + + add_match_id(&hub->match_ids, match_id); + + rc = child_device_register(hub, dev->generic); + if (rc != EOK) { + goto failure; + } + + return EOK; + +failure: + if (hub != NULL) { + hub->name = NULL; + delete_device(hub); + } + delete_match_id(match_id); + + return rc; +} + + +/** Issue interrupt IN transfer to HC driven by current task. + * + * @warning The @p buffer and @p actual_size parameters shall not be + * touched until this transfer is waited for by usb_hcd_local_wait_for(). + * + * @param hc Host controller to handle the transfer. + * @param target Target device address. + * @param buffer Data buffer. + * @param size Buffer size. + * @param actual_size Size of actually transferred data. + * @param handle Transfer handle. + * @return Error code. + */ +int usb_hcd_local_transfer_interrupt_in(usb_hc_device_t *hc, + usb_target_t target, void *buffer, size_t size, size_t *actual_size, + usb_handle_t *handle) +{ + /* + * TODO: verify that given endpoint is of interrupt type and + * call hc->transfer_ops->transfer_in() + */ + return ENOTSUP; +} + +/** Wait for transfer to complete. + * + * @param handle Transfer handle. + * @return Error code. + */ +int usb_hcd_local_wait_for(usb_handle_t handle) +{ + return ENOTSUP; +} + +/** + * @} + */ Index: uspace/lib/usb/hcdhubd.h =================================================================== --- uspace/lib/usb/hcdhubd.h (revision 3f0a7971b0a7536c06012fdd2835873631dfa824) +++ uspace/lib/usb/hcdhubd.h (revision 3f0a7971b0a7536c06012fdd2835873631dfa824) @@ -0,0 +1,175 @@ +/* + * Copyright (c) 2010 Vojtech Horky + * All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * + * - Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * - Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution. + * - The name of the author may not be used to endorse or promote products + * derived from this software without specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR + * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES + * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. + * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, + * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT + * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, + * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY + * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT + * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF + * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. + */ + +/** @addtogroup libusb usb + * @{ + */ +/** @file + * @brief HC driver and hub driver. + */ +#ifndef LIBUSB_HCDHUBD_H_ +#define LIBUSB_HCDHUBD_H_ + +#include +#include +#include "usb.h" +#include "hcd.h" + +/** Endpoint properties. */ +typedef struct { + /** Endpoint number. */ + usb_endpoint_t endpoint; + /** Transfer type. */ + usb_transfer_type_t transfer_type; + /** Endpoint direction. */ + usb_direction_t direction; + /** Data toggle bit. */ + int data_toggle; +} usb_hc_endpoint_info_t; + +/** Information about attached USB device. */ +typedef struct { + /** Assigned address. */ + usb_address_t address; + /** Number of endpoints. */ + size_t endpoint_count; + /** Endpoint properties. */ + usb_hc_endpoint_info_t *endpoints; + /** Link to other attached devices of the same HC. */ + link_t link; +} usb_hcd_attached_device_info_t; + +/** Information about attached hub. */ +typedef struct { + /** Number of ports. */ + size_t port_count; + /** General device info. */ + usb_hcd_attached_device_info_t *device; + /** Link to other hubs. */ + link_t link; +} usb_hcd_hub_info_t; + +/** Host controller device. */ +typedef struct usb_hc_device usb_hc_device_t; + +/** Callback for OUT transfers. */ +typedef void (*usb_hcd_transfer_callback_out_t) + (usb_hc_device_t *, usb_hcd_attached_device_info_t *, + usb_hc_endpoint_info_t *, + usb_transaction_outcome_t, void *); + +/** Callback for IN transfers. */ +typedef void (*usb_hcd_transfer_callback_in_t) + (usb_hc_device_t *, usb_hcd_attached_device_info_t *, + usb_hc_endpoint_info_t *, + size_t, usb_transaction_outcome_t, void *); + + +/** Transfer functions provided by each USB host controller driver. */ +typedef struct { + /** OUT transfer. + * @param hc Host controller that shall enqueue the transfer. + * @param dev Target device. + * @param ep Target endpoint. + * @param buffer Buffer to be sent. + * @param size Buffer size. + * @param callback Callback after transfer was processed by hardware. + * @param arg Callback argument. + */ + int (*transfer_out)(usb_hc_device_t *hc, + usb_hcd_attached_device_info_t *dev, usb_hc_endpoint_info_t *ep, + void *buffer, size_t size, + usb_hcd_transfer_callback_out_t callback, void *arg); + + /** SETUP transfer. */ + int (*transfer_setup)(usb_hc_device_t *, + usb_hcd_attached_device_info_t *, usb_hc_endpoint_info_t *, + void *, size_t, + usb_hcd_transfer_callback_out_t, void *); + + /** IN transfer. */ + int (*transfer_in)(usb_hc_device_t *, + usb_hcd_attached_device_info_t *, usb_hc_endpoint_info_t *, + void *, size_t, + usb_hcd_transfer_callback_in_t, void *); +} usb_hcd_transfer_ops_t; + +struct usb_hc_device { + /** Transfer operations. */ + usb_hcd_transfer_ops_t *transfer_ops; + + /** Custom HC data. */ + void *data; + + /** Generic device entry (read-only). */ + device_t *generic; + + /** List of attached devices. */ + link_t attached_devices; + + /** List of hubs operating from this HC. */ + link_t hubs; + + /** Link to other driven HCs. */ + link_t link; +}; + +/** Host controller driver. */ +typedef struct { + /** Driver name. */ + const char *name; + /** Callback when device (host controller) is added. */ + int (*add_hc)(usb_hc_device_t *device); +} usb_hc_driver_t; + + +int usb_hcd_main(usb_hc_driver_t *); +int usb_hcd_add_root_hub(usb_hc_device_t *dev); + + +/* + * Functions to be used by drivers within same task as the HC driver. + * This will probably include only hub drivers. + */ + +int usb_hcd_local_set_endpoint_properties(usb_hc_device_t *, usb_target_t, + usb_transfer_type_t, usb_direction_t); + +/* First variant - repeat transfer type. */ +int usb_hcd_local_transfer_interrupt_in(usb_hc_device_t *, usb_target_t, + void *, size_t, size_t *, usb_handle_t *); + +/* Second variant - determine transfer type from endpoint properties. */ +int usb_hcd_local_transfer_in(usb_hc_device_t *, usb_target_t, + void *, size_t, size_t *, usb_handle_t *); + + +int usb_hcd_local_wait_for(usb_handle_t); + + +#endif Index: uspace/lib/usb/hid.h =================================================================== --- uspace/lib/usb/hid.h (revision 3f0a7971b0a7536c06012fdd2835873631dfa824) +++ uspace/lib/usb/hid.h (revision 3f0a7971b0a7536c06012fdd2835873631dfa824) @@ -0,0 +1,59 @@ +/* + * Copyright (c) 2010 Vojtech Horky + * All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * + * - Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * - Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution. + * - The name of the author may not be used to endorse or promote products + * derived from this software without specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR + * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES + * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. + * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, + * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT + * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, + * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY + * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT + * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF + * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. + */ + +/** @addtogroup libusb usb + * @{ + */ +/** @file + * @brief USB HID device related types. + */ +#ifndef LIBUSB_HID_H_ +#define LIBUSB_HID_H_ + +/** USB/HID device requests. */ +typedef enum { + USB_HIDREQ_GET_REPORT = 1, + USB_HIDREQ_GET_IDLE = 2, + USB_HIDREQ_GET_PROTOCOL = 3, + /* Values 4 to 8 are reserved. */ + USB_HIDREQ_SET_REPORT = 9, + USB_HIDREQ_SET_IDLE = 10, + USB_HIDREQ_SET_PROTOCOL = 11 +} usb_hid_request_t; + +/** USB/HID interface protocols. */ +typedef enum { + USB_HID_PROTOCOL_NONE = 0, + USB_HID_PROTOCOL_KEYBOARD = 1, + USB_HID_PROTOCOL_MOUSE = 2 +} usb_hid_protocol_t; + +#endif +/** + * @} + */ Index: uspace/lib/usb/hidut.h =================================================================== --- uspace/lib/usb/hidut.h (revision 3f0a7971b0a7536c06012fdd2835873631dfa824) +++ uspace/lib/usb/hidut.h (revision 3f0a7971b0a7536c06012fdd2835873631dfa824) @@ -0,0 +1,68 @@ +/* + * Copyright (c) 2010 Vojtech Horky + * All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * + * - Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * - Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution. + * - The name of the author may not be used to endorse or promote products + * derived from this software without specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR + * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES + * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. + * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, + * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT + * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, + * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY + * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT + * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF + * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. + */ + +/** @addtogroup libusb usb + * @{ + */ +/** @file + * @brief USB HID Usage Tables. + */ +#ifndef LIBUSB_HIDUT_H_ +#define LIBUSB_HIDUT_H_ + +/** USB/HID Usage Pages. */ +typedef enum { + USB_HIDUT_PAGE_GENERIC_DESKTOP = 1, + USB_HIDUT_PAGE_SIMULATION = 2, + USB_HIDUT_PAGE_VR = 3, + USB_HIDUT_PAGE_SPORT = 4, + USB_HIDUT_PAGE_GAME = 5, + USB_HIDUT_PAGE_GENERIC_DEVICE = 6, + USB_HIDUT_PAGE_KEYBOARD = 7, + USB_HIDUT_PAGE_LED = 8, + USB_HIDUT_PAGE_BUTTON = 9 + /* USB_HIDUT_PAGE_ = , */ +} usb_hidut_usage_page_t; + +/** Usages for Generic Desktop Page. */ +typedef enum { + USB_HIDUT_USAGE_GENERIC_DESKTOP_POINTER = 1, + USB_HIDUT_USAGE_GENERIC_DESKTOP_MOUSE = 2, + USB_HIDUT_USAGE_GENERIC_DESKTOP_JOYSTICK = 4, + USB_HIDUT_USAGE_GENERIC_DESKTOP_GAMEPAD = 5, + USB_HIDUT_USAGE_GENERIC_DESKTOP_KEYBOARD = 6, + USB_HIDUT_USAGE_GENERIC_DESKTOP_KEYPAD = 7 + /* USB_HIDUT_USAGE_GENERIC_DESKTOP_ = , */ + +} usb_hidut_usage_generic_desktop_t; + + +#endif +/** + * @} + */ Index: uspace/lib/usb/hidutkbd.h =================================================================== --- uspace/lib/usb/hidutkbd.h (revision 3f0a7971b0a7536c06012fdd2835873631dfa824) +++ uspace/lib/usb/hidutkbd.h (revision 3f0a7971b0a7536c06012fdd2835873631dfa824) @@ -0,0 +1,175 @@ +/* + * Copyright (c) 2010 Vojtech Horky + * All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * + * - Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * - Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution. + * - The name of the author may not be used to endorse or promote products + * derived from this software without specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR + * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES + * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. + * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, + * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT + * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, + * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY + * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT + * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF + * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. + */ + +/** @addtogroup libusb usb + * @{ + */ +/** @file + * @brief USB HID key codes. + * @details + * This is not a typical header as by default it is equal to empty file. + * However, by cleverly defining the USB_HIDUT_KBD_KEY you can use it + * to generate conversion tables etc. + * + * For example, this creates enum for known keys: + * @code +#define USB_HIDUT_KBD_KEY(name, usage_id, l, lc, l1, l2) \ + USB_KBD_KEY_##name = usage_id, +typedef enum { + #include +} usb_key_code_t; + @endcode + * + * Maybe, it might be better that you would place such enums into separate + * files and create them as separate step before compiling to allow tools + * such as Doxygen get the definitions right. + * + * @warning This file does not include guard to prevent multiple inclusions + * into a single file. + */ + + +#ifndef USB_HIDUT_KBD_KEY +/** Declare keyboard key. + * @param name Key name (identifier). + * @param usage_id Key code (see Keyboard/Keypad Page (0x07) in HUT1.12. + * @param letter Corresponding character (0 if not applicable). + * @param letter_caps Corresponding character with Caps on. + * @param letter_mod1 Corresponding character with modifier #1 on. + * @param letter_mod2 Corresponding character with modifier #2 on. + */ +#define USB_HIDUT_KBD_KEY(name, usage_id, letter, letter_caps, letter_mod1, letter_mod2) + +#endif + +#define __NONPRINT(name, usage_id) \ + USB_HIDUT_KBD_KEY(name, usage_id, 0, 0, 0, 0) + +/* US alphabet letters */ +USB_HIDUT_KBD_KEY(A, 0x04, 'a', 'A', 0, 0) +USB_HIDUT_KBD_KEY(B, 0x05, 'b', 'B', 0, 0) +USB_HIDUT_KBD_KEY(C, 0x06, 'c', 'C', 0, 0) +USB_HIDUT_KBD_KEY(D, 0x07, 'd', 'D', 0, 0) +USB_HIDUT_KBD_KEY(E, 0x08, 'e', 'E', 0, 0) +USB_HIDUT_KBD_KEY(F, 0x09, 'f', 'F', 0, 0) +USB_HIDUT_KBD_KEY(G, 0x0A, 'g', 'G', 0, 0) +USB_HIDUT_KBD_KEY(H, 0x0B, 'h', 'H', 0, 0) +USB_HIDUT_KBD_KEY(I, 0x0C, 'i', 'I', 0, 0) +USB_HIDUT_KBD_KEY(J, 0x0D, 'j', 'J', 0, 0) +USB_HIDUT_KBD_KEY(K, 0x0E, 'k', 'K', 0, 0) +USB_HIDUT_KBD_KEY(L, 0x0F, 'l', 'L', 0, 0) +USB_HIDUT_KBD_KEY(M, 0x10, 'm', 'M', 0, 0) +USB_HIDUT_KBD_KEY(N, 0x11, 'n', 'N', 0, 0) +USB_HIDUT_KBD_KEY(O, 0x12, 'o', 'O', 0, 0) +USB_HIDUT_KBD_KEY(P, 0x13, 'p', 'P', 0, 0) +USB_HIDUT_KBD_KEY(Q, 0x14, 'q', 'Q', 0, 0) +USB_HIDUT_KBD_KEY(R, 0x15, 'r', 'R', 0, 0) +USB_HIDUT_KBD_KEY(S, 0x16, 's', 'S', 0, 0) +USB_HIDUT_KBD_KEY(T, 0x17, 't', 'T', 0, 0) +USB_HIDUT_KBD_KEY(U, 0x18, 'u', 'U', 0, 0) +USB_HIDUT_KBD_KEY(V, 0x19, 'v', 'V', 0, 0) +USB_HIDUT_KBD_KEY(W, 0x1A, 'w', 'W', 0, 0) +USB_HIDUT_KBD_KEY(X, 0x1B, 'x', 'X', 0, 0) +USB_HIDUT_KBD_KEY(Y, 0x1C, 'y', 'Y', 0, 0) +USB_HIDUT_KBD_KEY(Z, 0x1D, 'z', 'Z', 0, 0) + +/* Keyboard digits */ +USB_HIDUT_KBD_KEY(1, 0x1E, '1', '!', 0, 0) +USB_HIDUT_KBD_KEY(2, 0x1F, '2', '@', 0, 0) +USB_HIDUT_KBD_KEY(3, 0x20, '3', '#', 0, 0) +USB_HIDUT_KBD_KEY(4, 0x21, '4', '$', 0, 0) +USB_HIDUT_KBD_KEY(5, 0x22, '5', '%', 0, 0) +USB_HIDUT_KBD_KEY(6, 0x23, '6', '^', 0, 0) +USB_HIDUT_KBD_KEY(7, 0x24, '7', '&', 0, 0) +USB_HIDUT_KBD_KEY(8, 0x25, '8', '*', 0, 0) +USB_HIDUT_KBD_KEY(9, 0x26, '9', '(', 0, 0) +USB_HIDUT_KBD_KEY(0, 0x27, '0', ')', 0, 0) + +/* More-or-less typewriter command keys */ +USB_HIDUT_KBD_KEY(ENTER, 0x28, '\n', 0, 0, 0) +USB_HIDUT_KBD_KEY(ESCAPE, 0x29, 0, 0, 0, 0) +USB_HIDUT_KBD_KEY(BACKSPACE, 0x2A, '\b', 0, 0, 0) +USB_HIDUT_KBD_KEY(TAB, 0x2B, '\t', 0, 0, 0) +USB_HIDUT_KBD_KEY(SPACE, 0x2C, ' ', 0, 0, 0) + +/* Special (printable) characters */ +USB_HIDUT_KBD_KEY(DASH, 0x2D, '-', '_', 0, 0) +USB_HIDUT_KBD_KEY(EQUALS, 0x2E, '=', '+', 0, 0) +USB_HIDUT_KBD_KEY(LEFT_BRACKET, 0x2F, '[', '{', 0, 0) +USB_HIDUT_KBD_KEY(RIGHT_BRACKET, 0x30, ']', '}', 0, 0) +USB_HIDUT_KBD_KEY(BACKSLASH, 0x31, '\\', '|', 0, 0) +USB_HIDUT_KBD_KEY(HASH, 0x32, '#', '~', 0, 0) +USB_HIDUT_KBD_KEY(SEMICOLON, 0x33, ';', ':', 0, 0) +USB_HIDUT_KBD_KEY(APOSTROPHE, 0x34, '\'', '"', 0, 0) +USB_HIDUT_KBD_KEY(GRAVE_ACCENT, 0x35, '`', '~', 0, 0) +USB_HIDUT_KBD_KEY(COMMA, 0x36, ',', '<', 0, 0) +USB_HIDUT_KBD_KEY(PERIOD, 0x37, '.', '>', 0, 0) +USB_HIDUT_KBD_KEY(SLASH, 0x38, '/', '?', 0, 0) + +USB_HIDUT_KBD_KEY(CAPS_LOCK, 0x39, 0, 0, 0, 0) + +/* Function keys */ +__NONPRINT( F1, 0x3A) +__NONPRINT( F2, 0x3B) +__NONPRINT( F3, 0x3C) +__NONPRINT( F4, 0x3D) +__NONPRINT( F5, 0x3E) +__NONPRINT( F6, 0x3F) +__NONPRINT( F7, 0x40) +__NONPRINT( F8, 0x41) +__NONPRINT( F9, 0x42) +__NONPRINT(F10, 0x43) +__NONPRINT(F11, 0x44) +__NONPRINT(F12, 0x45) + +/* Cursor movement keys & co. */ +__NONPRINT(PRINT_SCREEN, 0x46) +__NONPRINT(SCROLL_LOCK, 0x47) +__NONPRINT(PAUSE, 0x48) +__NONPRINT(INSERT, 0x49) +__NONPRINT(HOME, 0x4A) +__NONPRINT(PAGE_UP, 0x4B) +__NONPRINT(DELETE, 0x4C) +__NONPRINT(END, 0x4D) +__NONPRINT(PAGE_DOWN, 0x4E) +__NONPRINT(RIGHT_ARROW, 0x4F) +__NONPRINT(LEFT_ARROW, 0x50) +__NONPRINT(DOWN_ARROW, 0x51) +__NONPRINT(UP_ARROW, 0x52) + + + + +/* USB_HIDUT_KBD_KEY(, 0x, '', '', 0, 0) */ + +#undef __NONPRINT + +/** + * @} + */ + Index: uspace/lib/usb/hub.h =================================================================== --- uspace/lib/usb/hub.h (revision 3f0a7971b0a7536c06012fdd2835873631dfa824) +++ uspace/lib/usb/hub.h (revision 3f0a7971b0a7536c06012fdd2835873631dfa824) @@ -0,0 +1,74 @@ +/* + * Copyright (c) 2010 Vojtech Horky + * All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * + * - Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * - Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution. + * - The name of the author may not be used to endorse or promote products + * derived from this software without specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR + * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES + * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. + * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, + * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT + * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, + * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY + * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT + * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF + * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. + */ + +/** @addtogroup libusb usb + * @{ + */ +/** @file + * @brief USB hub related structures. + */ +#ifndef LIBUSB_HUB_H_ +#define LIBUSB_HUB_H_ + +/** Hub class request. */ +typedef enum { + USB_HUB_REQUEST_GET_STATUS = 0, + USB_HUB_REQUEST_CLEAR_FEATURE = 1, + USB_HUB_REQUEST_GET_STATE = 2, + USB_HUB_REQUEST_SET_FEATURE = 3, + USB_HUB_REQUEST_GET_DESCRIPTOR = 6, + USB_HUB_REQUEST_SET_DESCRIPTOR = 7, + /* USB_HUB_REQUEST_ = , */ +} usb_hub_class_request_t; + +/** Hub class feature selector. + * @warning The constants are not unique (feature selectors are used + * for hub and port). + */ +typedef enum { + USB_HUB_FEATURE_C_HUB_LOCAL_POWER = 0, + USB_HUB_FEATURE_C_HUB_OVER_CURRENT = 1, + USB_HUB_FEATURE_PORT_CONNECTION = 0, + USB_HUB_FEATURE_PORT_ENABLE = 1, + USB_HUB_FEATURE_PORT_SUSPEND = 2, + USB_HUB_FEATURE_PORT_OVER_CURRENT = 3, + USB_HUB_FEATURE_PORT_RESET = 4, + USB_HUB_FEATURE_PORT_POWER = 8, + USB_HUB_FEATURE_PORT_LOW_SPEED = 9, + USB_HUB_FEATURE_C_PORT_CONNECTION = 16, + USB_HUB_FEATURE_C_PORT_ENABLE = 17, + USB_HUB_FEATURE_C_PORT_SUSPEND = 18, + USB_HUB_FEATURE_C_PORT_OVER_CURRENT = 19, + USB_HUB_FEATURE_C_PORT_RESET = 20, + /* USB_HUB_FEATURE_ = , */ +} usb_hub_class_feature_t; + +#endif +/** + * @} + */ Index: uspace/lib/usb/usb.c =================================================================== --- uspace/lib/usb/usb.c (revision 3f0a7971b0a7536c06012fdd2835873631dfa824) +++ uspace/lib/usb/usb.c (revision 3f0a7971b0a7536c06012fdd2835873631dfa824) @@ -0,0 +1,59 @@ +/* + * Copyright (c) 2010 Vojtech Horky + * All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * + * - Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * - Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution. + * - The name of the author may not be used to endorse or promote products + * derived from this software without specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR + * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES + * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. + * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, + * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT + * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, + * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY + * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT + * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF + * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. + */ + +/** @addtogroup libusb usb + * @{ + */ +/** @file + * @brief Base USB types. + */ +#include "usb.h" +#include + + +/** String representation for USB transfer type. */ +const char * usb_str_transfer_type(usb_transfer_type_t t) +{ + switch (t) { + case USB_TRANSFER_ISOCHRONOUS: + return "isochronous"; + case USB_TRANSFER_INTERRUPT: + return "interrupt"; + case USB_TRANSFER_CONTROL: + return "control"; + case USB_TRANSFER_BULK: + return "bulk"; + default: + return "unknown"; + } +} + + +/** + * @} + */ Index: uspace/lib/usb/usb.h =================================================================== --- uspace/lib/usb/usb.h (revision 3f0a7971b0a7536c06012fdd2835873631dfa824) +++ uspace/lib/usb/usb.h (revision 3f0a7971b0a7536c06012fdd2835873631dfa824) @@ -0,0 +1,94 @@ +/* + * Copyright (c) 2010 Vojtech Horky + * All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * + * - Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * - Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution. + * - The name of the author may not be used to endorse or promote products + * derived from this software without specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR + * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES + * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. + * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, + * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT + * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, + * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY + * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT + * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF + * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. + */ + +/** @addtogroup libusb usb + * @{ + */ +/** @file + * @brief Base USB types. + */ +#ifndef LIBUSB_USB_H_ +#define LIBUSB_USB_H_ + +#include +#include + +/** USB transfer type. */ +typedef enum { + USB_TRANSFER_CONTROL = 0, + USB_TRANSFER_ISOCHRONOUS = 1, + USB_TRANSFER_BULK = 2, + USB_TRANSFER_INTERRUPT = 3 +} usb_transfer_type_t; + +const char * usb_str_transfer_type(usb_transfer_type_t t); + +/** USB data transfer direction. */ +typedef enum { + USB_DIRECTION_IN, + USB_DIRECTION_OUT +} usb_direction_t; + +/** USB address type. + * Negative values could be used to indicate error. + */ +typedef int usb_address_t; + +/** USB endpoint number type. + * Negative values could be used to indicate error. + */ +typedef int usb_endpoint_t; + +/** Maximum endpoint number in USB 1.1. + */ +#define USB11_ENDPOINT_MAX 16 + + +/** USB complete address type. + * Pair address + endpoint is identification of transaction recipient. + */ +typedef struct { + usb_address_t address; + usb_endpoint_t endpoint; +} usb_target_t; + +static inline int usb_target_same(usb_target_t a, usb_target_t b) +{ + return (a.address == b.address) + && (a.endpoint == b.endpoint); +} + +/** General handle type. + * Used by various USB functions as opaque handle. + */ +typedef ipcarg_t usb_handle_t; + +#endif +/** + * @} + */ Index: uspace/lib/usb/usbdrv.c =================================================================== --- uspace/lib/usb/usbdrv.c (revision 3f0a7971b0a7536c06012fdd2835873631dfa824) +++ uspace/lib/usb/usbdrv.c (revision 3f0a7971b0a7536c06012fdd2835873631dfa824) @@ -0,0 +1,56 @@ +/* + * Copyright (c) 2010 Vojtech Horky + * All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * + * - Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * - Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution. + * - The name of the author may not be used to endorse or promote products + * derived from this software without specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR + * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES + * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. + * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, + * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT + * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, + * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY + * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT + * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF + * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. + */ + +/** @addtogroup libusb usb + * @{ + */ +/** @file + * @brief USB driver (implementation). + */ +#include "usbdrv.h" +#include + +/** Connect to host controller the device is physically attached to. + * This function sets the phone_parent property in the device_t struct. + * + * @param handle Device handle. + * @param flags Connection flags (blocking connection). + * @return Error code. + */ +int usb_drv_hc_connect(device_t *dev, unsigned int flags) +{ + /* + * Call parent hub to obtain device handle of respective HC. + */ + return ENOTSUP; +} + + +/** + * @} + */ Index: uspace/lib/usb/usbdrv.h =================================================================== --- uspace/lib/usb/usbdrv.h (revision 3f0a7971b0a7536c06012fdd2835873631dfa824) +++ uspace/lib/usb/usbdrv.h (revision 3f0a7971b0a7536c06012fdd2835873631dfa824) @@ -0,0 +1,62 @@ +/* + * Copyright (c) 2010 Vojtech Horky + * All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * + * - Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * - Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution. + * - The name of the author may not be used to endorse or promote products + * derived from this software without specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR + * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES + * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. + * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, + * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT + * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, + * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY + * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT + * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF + * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. + */ + +/** @addtogroup libusb usb + * @{ + */ +/** @file + * @brief USB driver. + */ +#ifndef LIBUSB_USBDRV_H_ +#define LIBUSB_USBDRV_H_ + +#include "usb.h" +#include + +int usb_drv_hc_connect(device_t *, unsigned int); + +/** Set endpoint properties (direction, type). */ +int usb_drv_set_endpoint_properties(device_t *, usb_endpoint_t, + usb_transfer_type_t, usb_direction_t); + +/* First variant - repeat transfer type. */ +int usb_drv_interrupt_out(device_t *, usb_endpoint_t, + void *, size_t, usb_handle_t *); + +/* Second variant - let the HC determine transfer type by endpoint number. */ +int usb_drv_transfer_out(device_t *, usb_endpoint_t, + void *, size_t, usb_handle_t *); + + +/** Wait for usb_drv_transfer_* to complete. */ +int usb_drv_wait_for(usb_handle_t); + +#endif +/** + * @} + */ Index: uspace/lib/usbvirt/Makefile =================================================================== --- uspace/lib/usbvirt/Makefile (revision 3f0a7971b0a7536c06012fdd2835873631dfa824) +++ uspace/lib/usbvirt/Makefile (revision 3f0a7971b0a7536c06012fdd2835873631dfa824) @@ -0,0 +1,43 @@ +# +# Copyright (c) 2010 Vojtech Horky +# All rights reserved. +# +# Redistribution and use in source and binary forms, with or without +# modification, are permitted provided that the following conditions +# are met: +# +# - Redistributions of source code must retain the above copyright +# notice, this list of conditions and the following disclaimer. +# - Redistributions in binary form must reproduce the above copyright +# notice, this list of conditions and the following disclaimer in the +# documentation and/or other materials provided with the distribution. +# - The name of the author may not be used to endorse or promote products +# derived from this software without specific prior written permission. +# +# THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR +# IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES +# OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. +# IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, +# INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT +# NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, +# DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY +# THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT +# (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF +# THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. +# + +USPACE_PREFIX = ../.. +LIBRARY = libusbvirt + +LIBS = $(LIBUSB_PREFIX)/libusb.a +EXTRA_CFLAGS = -I$(LIB_PREFIX) + +SOURCES = \ + callback.c \ + ctrlpipe.c \ + debug.c \ + main.c \ + stdreq.c \ + transaction.c + +include $(USPACE_PREFIX)/Makefile.common Index: uspace/lib/usbvirt/callback.c =================================================================== --- uspace/lib/usbvirt/callback.c (revision 3f0a7971b0a7536c06012fdd2835873631dfa824) +++ uspace/lib/usbvirt/callback.c (revision 3f0a7971b0a7536c06012fdd2835873631dfa824) @@ -0,0 +1,235 @@ +/* + * Copyright (c) 2010 Vojtech Horky + * All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * + * - Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * - Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution. + * - The name of the author may not be used to endorse or promote products + * derived from this software without specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR + * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES + * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. + * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, + * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT + * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, + * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY + * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT + * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF + * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. + */ + +/** @addtogroup libusbvirt usb + * @{ + */ +/** @file + * @brief Callback connection handling. + */ +#include +#include +#include +#include +#include +#include + +#include "hub.h" +#include "device.h" +#include "private.h" + +#define NAMESPACE "usb" + +/** Wrapper for SETUP transaction over telephone. */ +static void handle_setup_transaction(usbvirt_device_t *device, + ipc_callid_t iid, ipc_call_t icall) +{ + usb_address_t address = IPC_GET_ARG1(icall); + usb_endpoint_t endpoint = IPC_GET_ARG2(icall); + size_t expected_len = IPC_GET_ARG3(icall); + + if (address != device->address) { + ipc_answer_0(iid, EADDRNOTAVAIL); + return; + } + + if ((endpoint < 0) || (endpoint >= USB11_ENDPOINT_MAX)) { + ipc_answer_0(iid, EINVAL); + return; + } + + if (expected_len == 0) { + ipc_answer_0(iid, EINVAL); + return; + } + + size_t len = 0; + void * buffer = NULL; + int rc = async_data_write_accept(&buffer, false, + 1, USB_MAX_PAYLOAD_SIZE, 0, &len); + + if (rc != EOK) { + ipc_answer_0(iid, rc); + return; + } + + rc = device->transaction_setup(device, endpoint, buffer, len); + + ipc_answer_0(iid, rc); +} + +/** Wrapper for OUT transaction over telephone. */ +static void handle_out_transaction(usbvirt_device_t *device, + ipc_callid_t iid, ipc_call_t icall) +{ + usb_address_t address = IPC_GET_ARG1(icall); + usb_endpoint_t endpoint = IPC_GET_ARG2(icall); + size_t expected_len = IPC_GET_ARG3(icall); + + if (address != device->address) { + ipc_answer_0(iid, EADDRNOTAVAIL); + return; + } + + if ((endpoint < 0) || (endpoint >= USB11_ENDPOINT_MAX)) { + ipc_answer_0(iid, EINVAL); + return; + } + + int rc = EOK; + + size_t len = 0; + void *buffer = NULL; + + if (expected_len > 0) { + rc = async_data_write_accept(&buffer, false, + 1, USB_MAX_PAYLOAD_SIZE, 0, &len); + + if (rc != EOK) { + ipc_answer_0(iid, rc); + return; + } + } + + rc = device->transaction_out(device, endpoint, buffer, len); + + if (buffer != NULL) { + free(buffer); + } + + ipc_answer_0(iid, rc); +} + + +/** Wrapper for IN transaction over telephone. */ +static void handle_in_transaction(usbvirt_device_t *device, + ipc_callid_t iid, ipc_call_t icall) +{ + usb_address_t address = IPC_GET_ARG1(icall); + usb_endpoint_t endpoint = IPC_GET_ARG2(icall); + size_t expected_len = IPC_GET_ARG3(icall); + + if (address != device->address) { + ipc_answer_0(iid, EADDRNOTAVAIL); + return; + } + + if ((endpoint < 0) || (endpoint >= USB11_ENDPOINT_MAX)) { + ipc_answer_0(iid, EINVAL); + return; + } + + int rc = EOK; + + void *buffer = expected_len > 0 ? malloc(expected_len) : NULL; + size_t len; + + rc = device->transaction_in(device, endpoint, buffer, expected_len, &len); + /* + * If the request was processed, we will send data back. + */ + if (rc == EOK) { + size_t receive_len; + ipc_callid_t callid; + if (!async_data_read_receive(&callid, &receive_len)) { + ipc_answer_0(iid, EINVAL); + return; + } + async_data_read_finalize(callid, buffer, receive_len); + } + + ipc_answer_0(iid, rc); +} + +/** Wrapper for getting device name. */ +static void handle_get_name(usbvirt_device_t *device, + ipc_callid_t iid, ipc_call_t icall) +{ + if (device->name == NULL) { + ipc_answer_0(iid, ENOENT); + } + + size_t size = str_size(device->name); + + ipc_callid_t callid; + size_t accepted_size; + if (!async_data_read_receive(&callid, &accepted_size)) { + ipc_answer_0(iid, EINVAL); + return; + } + + if (accepted_size > size) { + accepted_size = size; + } + async_data_read_finalize(callid, device->name, accepted_size); + + ipc_answer_1(iid, EOK, accepted_size); +} + +/** Callback connection for a given device. */ +void device_callback_connection(usbvirt_device_t *device, ipc_callid_t iid, ipc_call_t *icall) +{ + ipc_answer_0(iid, EOK); + + while (true) { + ipc_callid_t callid; + ipc_call_t call; + + callid = async_get_call(&call); + switch (IPC_GET_METHOD(call)) { + case IPC_M_PHONE_HUNGUP: + ipc_answer_0(callid, EOK); + return; + + case IPC_M_USBVIRT_GET_NAME: + handle_get_name(device, callid, call); + break; + + case IPC_M_USBVIRT_TRANSACTION_SETUP: + handle_setup_transaction(device, callid, call); + break; + + case IPC_M_USBVIRT_TRANSACTION_OUT: + handle_out_transaction(device, callid, call); + break; + + case IPC_M_USBVIRT_TRANSACTION_IN: + handle_in_transaction(device, callid, call); + break; + + default: + ipc_answer_0(callid, EINVAL); + break; + } + } +} + + +/** + * @} + */ Index: uspace/lib/usbvirt/ctrlpipe.c =================================================================== --- uspace/lib/usbvirt/ctrlpipe.c (revision 3f0a7971b0a7536c06012fdd2835873631dfa824) +++ uspace/lib/usbvirt/ctrlpipe.c (revision 3f0a7971b0a7536c06012fdd2835873631dfa824) @@ -0,0 +1,127 @@ +/* + * Copyright (c) 2010 Vojtech Horky + * All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * + * - Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * - Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution. + * - The name of the author may not be used to endorse or promote products + * derived from this software without specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR + * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES + * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. + * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, + * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT + * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, + * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY + * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT + * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF + * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. + */ + +/** @addtogroup libusbvirt usb + * @{ + */ +/** @file + * @brief Device control pipe. + */ +#include + +#include "private.h" + +#define REQUEST_TYPE_STANDARD 0 +#define REQUEST_TYPE_CLASS 1 + +#define GET_MIDBITS_MASK(size, shift) \ + (((1 << size) - 1) << shift) +#define GET_MIDBITS(value, size, shift) \ + ((value & GET_MIDBITS_MASK(size, shift)) >> shift) + + +static const char *str_request_type(int type) +{ + switch (type) { + case REQUEST_TYPE_STANDARD: + return "standard"; + case REQUEST_TYPE_CLASS: + return "class"; + default: + return "unknown"; + } +} + +/** Tell request type. + * By type is meant either standard, class, vendor or other. + */ +static int request_get_type(uint8_t request_type) +{ + return GET_MIDBITS(request_type, 2, 5); +} + +/** Handle communication over control pipe zero. + */ +int control_pipe(usbvirt_device_t *device, usbvirt_control_transfer_t *transfer) +{ + device->lib_debug(device, 1, USBVIRT_DEBUGTAG_CONTROL_PIPE_ZERO, + "op on control pipe zero (request_size=%u)", transfer->request_size); + + if (transfer->request_size < sizeof(usb_device_request_setup_packet_t)) { + return ENOMEM; + } + + usb_device_request_setup_packet_t *request = (usb_device_request_setup_packet_t *) transfer->request; + uint8_t *remaining_data = transfer->data; + + int type = request_get_type(request->request_type); + + int rc = EOK; + + device->lib_debug(device, 2, USBVIRT_DEBUGTAG_CONTROL_PIPE_ZERO, + "request type: %s", str_request_type(type)); + + switch (type) { + case REQUEST_TYPE_STANDARD: + rc = handle_std_request(device, request, remaining_data); + break; + case REQUEST_TYPE_CLASS: + if (DEVICE_HAS_OP(device, on_class_device_request)) { + rc = device->ops->on_class_device_request(device, + request, remaining_data); + } + break; + default: + break; + } + + if (device->new_address != -1) { + /* + * TODO: handle when this request is invalid (e.g. + * setting address when in configured state). + */ + if (device->new_address == 0) { + device->state = USBVIRT_STATE_DEFAULT; + } else { + device->state = USBVIRT_STATE_ADDRESS; + } + device->address = device->new_address; + + device->new_address = -1; + + device->lib_debug(device, 2, USBVIRT_DEBUGTAG_CONTROL_PIPE_ZERO, + "device address changed to %d (state %s)", + device->address, str_device_state(device->state)); + } + + return rc; +} + +/** + * @} + */ Index: uspace/lib/usbvirt/debug.c =================================================================== --- uspace/lib/usbvirt/debug.c (revision 3f0a7971b0a7536c06012fdd2835873631dfa824) +++ uspace/lib/usbvirt/debug.c (revision 3f0a7971b0a7536c06012fdd2835873631dfa824) @@ -0,0 +1,104 @@ +/* + * Copyright (c) 2010 Vojtech Horky + * All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * + * - Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * - Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution. + * - The name of the author may not be used to endorse or promote products + * derived from this software without specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR + * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES + * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. + * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, + * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT + * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, + * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY + * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT + * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF + * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. + */ + +/** @addtogroup libusbvirt usb + * @{ + */ +/** @file + * @brief Debugging support. + */ +#include +#include + +#include "device.h" +#include "private.h" + + +static void debug_print(int level, uint8_t tag, + int current_level, uint8_t enabled_tags, + const char *format, va_list args) +{ + if (level > current_level) { + return; + } + + if ((tag & enabled_tags) == 0) { + return; + } + + bool print_prefix = true; + + if ((format[0] == '%') && (format[1] == 'M')) { + format += 2; + print_prefix = false; + } + + if (print_prefix) { + printf("[vusb]: ", level); + while (--level > 0) { + printf(" "); + } + } + + vprintf(format, args); + + if (print_prefix) { + printf("\n"); + } +} + + +void user_debug(usbvirt_device_t *device, int level, uint8_t tag, + const char *format, ...) +{ + va_list args; + va_start(args, format); + + debug_print(level, tag, + device->debug_level, device->debug_enabled_tags, + format, args); + + va_end(args); +} + +void lib_debug(usbvirt_device_t *device, int level, uint8_t tag, + const char *format, ...) +{ + va_list args; + va_start(args, format); + + debug_print(level, tag, + device->lib_debug_level, device->lib_debug_enabled_tags, + format, args); + + va_end(args); +} + +/** + * @} + */ Index: uspace/lib/usbvirt/device.h =================================================================== --- uspace/lib/usbvirt/device.h (revision 3f0a7971b0a7536c06012fdd2835873631dfa824) +++ uspace/lib/usbvirt/device.h (revision 3f0a7971b0a7536c06012fdd2835873631dfa824) @@ -0,0 +1,224 @@ +/* + * Copyright (c) 2010 Vojtech Horky + * All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * + * - Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * - Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution. + * - The name of the author may not be used to endorse or promote products + * derived from this software without specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR + * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES + * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. + * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, + * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT + * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, + * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY + * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT + * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF + * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. + */ + +/** @addtogroup libusbvirt usb + * @{ + */ +/** @file + * @brief Virtual USB device. + */ +#ifndef LIBUSBVIRT_DEVICE_H_ +#define LIBUSBVIRT_DEVICE_H_ + +#include +#include +#include + +typedef struct usbvirt_device usbvirt_device_t; +struct usbvirt_control_transfer; + +typedef int (*usbvirt_on_device_request_t)(usbvirt_device_t *dev, + usb_device_request_setup_packet_t *request, + uint8_t *data); + +/** Callbacks for standard device requests. + * When these functions are NULL or return EFORWARD, this + * framework will try to satisfy the request by itself. + */ +typedef struct { + usbvirt_on_device_request_t on_get_status; + usbvirt_on_device_request_t on_clear_feature; + usbvirt_on_device_request_t on_set_feature; + usbvirt_on_device_request_t on_set_address; + usbvirt_on_device_request_t on_get_descriptor; + usbvirt_on_device_request_t on_set_descriptor; + usbvirt_on_device_request_t on_get_configuration; + usbvirt_on_device_request_t on_set_configuration; + usbvirt_on_device_request_t on_get_interface; + usbvirt_on_device_request_t on_set_interface; + usbvirt_on_device_request_t on_synch_frame; +} usbvirt_standard_device_request_ops_t; + +/** Device operations. */ +typedef struct { + /** Callbacks for standard deivce requests. */ + usbvirt_standard_device_request_ops_t *standard_request_ops; + /** Callback for class-specific USB request. */ + usbvirt_on_device_request_t on_class_device_request; + + int (*on_control_transfer)(usbvirt_device_t *dev, + usb_endpoint_t endpoint, struct usbvirt_control_transfer *transfer); + + /** Callback for all other incoming data. */ + int (*on_data)(usbvirt_device_t *dev, + usb_endpoint_t endpoint, void *buffer, size_t size); + + /** Callback for host request for data. */ + int (*on_data_request)(usbvirt_device_t *dev, + usb_endpoint_t endpoint, void *buffer, size_t size, size_t *actual_size); + + /** Decides direction of control transfer. */ + usb_direction_t (*decide_control_transfer_direction)( + usb_endpoint_t endpoint, void *buffer, size_t size); +} usbvirt_device_ops_t; + +/** Extra configuration data for GET_CONFIGURATION request. */ +typedef struct { + /** Actual data. */ + uint8_t *data; + /** Data length. */ + size_t length; +} usbvirt_device_configuration_extras_t; + +/** Single device configuration. */ +typedef struct { + /** Standard configuration descriptor. */ + usb_standard_configuration_descriptor_t *descriptor; + /** Array of extra data. */ + usbvirt_device_configuration_extras_t *extra; + /** Length of @c extra array. */ + size_t extra_count; +} usbvirt_device_configuration_t; + +/** Standard USB descriptors. */ +typedef struct { + /** Standard device descriptor. + * There is always only one such descriptor for the device. + */ + usb_standard_device_descriptor_t *device; + + /** Configurations. */ + usbvirt_device_configuration_t *configuration; + /** Number of configurations. */ + size_t configuration_count; + /** Index of currently selected configuration. */ + uint8_t current_configuration; +} usbvirt_descriptors_t; + +/** Possible states of virtual USB device. + * Notice that these are not 1:1 mappings to those in USB specification. + */ +typedef enum { + USBVIRT_STATE_DEFAULT, + USBVIRT_STATE_ADDRESS, + USBVIRT_STATE_CONFIGURED +} usbvirt_device_state_t; + +/** Information about on-going control transfer. + */ +typedef struct usbvirt_control_transfer { + /** Transfer direction (read/write control transfer). */ + usb_direction_t direction; + /** Request data. */ + void *request; + /** Size of request data. */ + size_t request_size; + /** Payload. */ + void *data; + /** Size of payload. */ + size_t data_size; +} usbvirt_control_transfer_t; + +typedef enum { + USBVIRT_DEBUGTAG_BASE = 1, + USBVIRT_DEBUGTAG_TRANSACTION = 2, + USBVIRT_DEBUGTAG_CONTROL_PIPE_ZERO = 4, + USBVIRT_DEBUGTAG_ALL = 255 +} usbvirt_debug_tags_t; + +/** Virtual USB device. */ +struct usbvirt_device { + /** Callback device operations. */ + usbvirt_device_ops_t *ops; + + /** Reply onto control transfer. + */ + int (*control_transfer_reply)(usbvirt_device_t *dev, + usb_endpoint_t endpoint, void *buffer, size_t size); + + /** Device name. + * Used in debug prints and sent to virtual host controller. + */ + const char *name; + + /** Standard descriptors. */ + usbvirt_descriptors_t *descriptors; + + /** Current device state. */ + usbvirt_device_state_t state; + + /** Device address. */ + usb_address_t address; + /** New device address. + * This field is used during SET_ADDRESS request. + * On all other occasions, it holds invalid address (e.g. -1). + */ + usb_address_t new_address; + + /** Process OUT transaction. */ + int (*transaction_out)(usbvirt_device_t *dev, + usb_endpoint_t endpoint, void *buffer, size_t size); + /** Process SETUP transaction. */ + int (*transaction_setup)(usbvirt_device_t *dev, + usb_endpoint_t endpoint, void *buffer, size_t size); + /** Process IN transaction. */ + int (*transaction_in)(usbvirt_device_t *dev, + usb_endpoint_t endpoint, void *buffer, size_t size, size_t *data_size); + + /** State information on control-transfer endpoints. */ + usbvirt_control_transfer_t current_control_transfers[USB11_ENDPOINT_MAX]; + + /* User debugging. */ + + /** Debug print. */ + void (*debug)(usbvirt_device_t *dev, int level, uint8_t tag, + const char *format, ...); + + /** Current debug level. */ + int debug_level; + + /** Bitmap of currently enabled tags. */ + uint8_t debug_enabled_tags; + + /* Library debugging. */ + + /** Debug print. */ + void (*lib_debug)(usbvirt_device_t *dev, int level, uint8_t tag, + const char *format, ...); + + /** Current debug level. */ + int lib_debug_level; + + /** Bitmap of currently enabled tags. */ + uint8_t lib_debug_enabled_tags; +}; + +#endif +/** + * @} + */ Index: uspace/lib/usbvirt/hub.h =================================================================== --- uspace/lib/usbvirt/hub.h (revision 3f0a7971b0a7536c06012fdd2835873631dfa824) +++ uspace/lib/usbvirt/hub.h (revision 3f0a7971b0a7536c06012fdd2835873631dfa824) @@ -0,0 +1,68 @@ +/* + * Copyright (c) 2010 Vojtech Horky + * All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * + * - Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * - Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution. + * - The name of the author may not be used to endorse or promote products + * derived from this software without specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR + * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES + * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. + * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, + * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT + * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, + * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY + * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT + * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF + * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. + */ + +/** @addtogroup libusbvirt usb + * @{ + */ +/** @file + * @brief Virtual USB device. + */ +#ifndef LIBUSBVIRT_HUB_H_ +#define LIBUSBVIRT_HUB_H_ + +#include "device.h" + +/** USB transaction type. + * This types does not correspond directly to types in USB specification, + * as actually DATA transactions are marked with these types to identify + * their direction (and tag). + */ +typedef enum { + USBVIRT_TRANSACTION_SETUP, + USBVIRT_TRANSACTION_IN, + USBVIRT_TRANSACTION_OUT +} usbvirt_transaction_type_t; + +const char *usbvirt_str_transaction_type(usbvirt_transaction_type_t type); + +/** Telephony methods of virtual devices. */ +typedef enum { + IPC_M_USBVIRT_GET_NAME = IPC_FIRST_USER_METHOD, + IPC_M_USBVIRT_TRANSACTION_SETUP, + IPC_M_USBVIRT_TRANSACTION_OUT, + IPC_M_USBVIRT_TRANSACTION_IN, +} usbvirt_device_method_t; + +int usbvirt_connect(usbvirt_device_t *, const char *); +int usbvirt_connect_local(usbvirt_device_t *); +int usbvirt_disconnect(usbvirt_device_t *dev); + +#endif +/** + * @} + */ Index: uspace/lib/usbvirt/main.c =================================================================== --- uspace/lib/usbvirt/main.c (revision 3f0a7971b0a7536c06012fdd2835873631dfa824) +++ uspace/lib/usbvirt/main.c (revision 3f0a7971b0a7536c06012fdd2835873631dfa824) @@ -0,0 +1,290 @@ +/* + * Copyright (c) 2010 Vojtech Horky + * All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * + * - Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * - Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution. + * - The name of the author may not be used to endorse or promote products + * derived from this software without specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR + * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES + * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. + * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, + * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT + * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, + * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY + * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT + * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF + * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. + */ + +/** @addtogroup libusbvirt usb + * @{ + */ +/** @file + * @brief Device registration with virtual USB framework. + */ +#include +#include +#include +#include +#include +#include +#include + +#include "hub.h" +#include "device.h" +#include "private.h" + +#define NAMESPACE "usb" + +/** Virtual device wrapper. */ +typedef struct { + /** Actual device. */ + usbvirt_device_t *device; + /** Phone to host controller. */ + int vhcd_phone; + /** Device id. */ + ipcarg_t id; + /** Linked-list member. */ + link_t link; +} virtual_device_t; + +/*** List of known device. */ +static LIST_INITIALIZE(device_list); + +/** Find virtual device wrapper based on the contents. */ +static virtual_device_t *find_device(usbvirt_device_t *device) +{ + if (list_empty(&device_list)) { + return NULL; + } + + link_t *pos; + for (pos = device_list.next; pos != &device_list; pos = pos->next) { + virtual_device_t *dev + = list_get_instance(pos, virtual_device_t, link); + if (dev->device == device) { + return dev; + } + } + + return NULL; +} + +/** Find virtual device wrapper by its id. */ +static virtual_device_t *find_device_by_id(ipcarg_t id) +{ + if (list_empty(&device_list)) { + return NULL; + } + + link_t *pos; + for (pos = device_list.next; pos != &device_list; pos = pos->next) { + virtual_device_t *dev + = list_get_instance(pos, virtual_device_t, link); + if (dev->id == id) { + return dev; + } + } + + return NULL; +} + +/** Reply to a control transfer. */ +static int control_transfer_reply(usbvirt_device_t *device, + usb_endpoint_t endpoint, void *buffer, size_t size) +{ + usbvirt_control_transfer_t *transfer = &device->current_control_transfers[endpoint]; + if (transfer->data != NULL) { + free(transfer->data); + } + transfer->data = malloc(size); + memcpy(transfer->data, buffer, size); + transfer->data_size = size; + + return EOK; +} + +/** Initialize virtual device. */ +static void device_init(usbvirt_device_t *dev) +{ + dev->transaction_out = transaction_out; + dev->transaction_setup = transaction_setup; + dev->transaction_in = transaction_in; + + dev->control_transfer_reply = control_transfer_reply; + + dev->debug = user_debug; + dev->lib_debug = lib_debug; + + dev->state = USBVIRT_STATE_DEFAULT; + dev->address = 0; + dev->new_address = -1; + + size_t i; + for (i = 0; i < USB11_ENDPOINT_MAX; i++) { + usbvirt_control_transfer_t *transfer = &dev->current_control_transfers[i]; + transfer->direction = 0; + transfer->request = NULL; + transfer->request_size = 0; + transfer->data = NULL; + transfer->data_size = 0; + } +} + +/** Add a virtual device. + * The returned device (if not NULL) shall be destroy via destroy_device(). + */ +static virtual_device_t *add_device(usbvirt_device_t *dev) +{ + assert(find_device(dev) == NULL); + virtual_device_t *new_device + = (virtual_device_t *) malloc(sizeof(virtual_device_t)); + + new_device->device = dev; + link_initialize(&new_device->link); + + list_append(&new_device->link, &device_list); + + return new_device; +} + +/** Destroy virtual device. */ +static void destroy_device(virtual_device_t *dev) +{ + if (dev->vhcd_phone > 0) { + ipc_hangup(dev->vhcd_phone); + } + + list_remove(&dev->link); + + free(dev); +} + +/** Callback connection handler. */ +static void callback_connection(ipc_callid_t iid, ipc_call_t *icall) +{ + // FIXME - determine which device just called back + virtual_device_t *dev = find_device_by_id(0); + if (dev == NULL) { + ipc_answer_0(iid, EINVAL); + printf("Ooops\n"); + return; + } + + device_callback_connection(dev->device, iid, icall); +} + +/** Create necessary phones for comunication with virtual HCD. + * This function wraps following calls: + * -# open /dev/usb/hcd_path for reading + * -# access phone of file opened in previous step + * -# create callback through just opened phone + * -# create handler for calling on data from host to function + * -# return the (outgoing) phone + * + * @warning This function is wrapper for several actions and therefore + * it is not possible - in case of error - to determine at which point + * error occured. + * + * @param hcd_path HCD identification under devfs + * (without /dev/usb/). + * @param dev Device to connect. + * @return EOK on success or error code from errno.h. + */ +int usbvirt_connect(usbvirt_device_t *dev, const char *hcd_path) +{ + virtual_device_t *virtual_device = find_device(dev); + if (virtual_device != NULL) { + return EEXISTS; + } + + char dev_path[DEVMAP_NAME_MAXLEN + 1]; + snprintf(dev_path, DEVMAP_NAME_MAXLEN, + "/dev/%s/%s", NAMESPACE, hcd_path); + + int fd = open(dev_path, O_RDONLY); + if (fd < 0) { + return fd; + } + + int hcd_phone = fd_phone(fd); + + if (hcd_phone < 0) { + return hcd_phone; + } + + ipcarg_t phonehash; + int rc = ipc_connect_to_me(hcd_phone, 0, 0, 0, &phonehash); + if (rc != EOK) { + return rc; + } + + device_init(dev); + + virtual_device = add_device(dev); + virtual_device->vhcd_phone = hcd_phone; + virtual_device->id = 0; + + async_new_connection(phonehash, 0, NULL, callback_connection); + + return EOK; +} + +/** Prepares device as local. + * This is useful if you want to have a virtual device in the same task + * as HCD. + * + * @param dev Device to connect. + * @return Error code. + * @retval EOK Device connected. + * @retval EEXISTS This device is already connected. + */ +int usbvirt_connect_local(usbvirt_device_t *dev) +{ + virtual_device_t *virtual_device = find_device(dev); + if (virtual_device != NULL) { + return EEXISTS; + } + + device_init(dev); + + virtual_device = add_device(dev); + virtual_device->vhcd_phone = -1; + virtual_device->id = 0; + + return EOK; +} + +/** Disconnects device from HCD. + * + * @param dev Device to be disconnected. + * @return Error code. + * @retval EOK Device connected. + * @retval ENOENT This device is not connected. + */ +int usbvirt_disconnect(usbvirt_device_t *dev) +{ + virtual_device_t *virtual_device = find_device(dev); + if (virtual_device == NULL) { + return ENOENT; + } + + destroy_device(virtual_device); + + return EOK; +} + + +/** + * @} + */ Index: uspace/lib/usbvirt/private.h =================================================================== --- uspace/lib/usbvirt/private.h (revision 3f0a7971b0a7536c06012fdd2835873631dfa824) +++ uspace/lib/usbvirt/private.h (revision 3f0a7971b0a7536c06012fdd2835873631dfa824) @@ -0,0 +1,91 @@ +/* + * Copyright (c) 2010 Vojtech Horky + * All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * + * - Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * - Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution. + * - The name of the author may not be used to endorse or promote products + * derived from this software without specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR + * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES + * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. + * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, + * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT + * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, + * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY + * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT + * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF + * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. + */ + +/** @addtogroup libusbvirt usb + * @{ + */ +/** @file + * @brief Virtual USB private header. + */ +#ifndef LIBUSBVIRT_PRIVATE_H_ +#define LIBUSBVIRT_PRIVATE_H_ + +#include "device.h" +#include "hub.h" + + +#define DEVICE_HAS_OP(dev, op) \ + ( \ + ( ((dev)->ops) != NULL ) \ + && \ + ( ((dev)->ops->op) != NULL ) \ + ) + +int usbvirt_data_to_host(struct usbvirt_device *dev, + usb_endpoint_t endpoint, void *buffer, size_t size); + +int handle_incoming_data(struct usbvirt_device *dev, + usb_endpoint_t endpoint, void *buffer, size_t size); + +int control_pipe(usbvirt_device_t *device, usbvirt_control_transfer_t *transfer); + +int handle_std_request(usbvirt_device_t *device, usb_device_request_setup_packet_t *request, uint8_t *data); + +void device_callback_connection(usbvirt_device_t *device, ipc_callid_t iid, ipc_call_t *icall); + +int transaction_setup(usbvirt_device_t *device, usb_endpoint_t endpoint, + void *buffer, size_t size); +int transaction_out(usbvirt_device_t *device, usb_endpoint_t endpoint, + void *buffer, size_t size); +int transaction_in(usbvirt_device_t *device, usb_endpoint_t endpoint, + void *buffer, size_t size, size_t *data_size); + + +void user_debug(usbvirt_device_t *device, int level, uint8_t tag, + const char *format, ...); +void lib_debug(usbvirt_device_t *device, int level, uint8_t tag, + const char *format, ...); + +static inline const char *str_device_state(usbvirt_device_state_t state) +{ + switch (state) { + case USBVIRT_STATE_DEFAULT: + return "default"; + case USBVIRT_STATE_ADDRESS: + return "address"; + case USBVIRT_STATE_CONFIGURED: + return "configured"; + default: + return "unknown"; + } +} + +#endif +/** + * @} + */ Index: uspace/lib/usbvirt/stdreq.c =================================================================== --- uspace/lib/usbvirt/stdreq.c (revision 3f0a7971b0a7536c06012fdd2835873631dfa824) +++ uspace/lib/usbvirt/stdreq.c (revision 3f0a7971b0a7536c06012fdd2835873631dfa824) @@ -0,0 +1,212 @@ +/* + * Copyright (c) 2010 Vojtech Horky + * All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * + * - Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * - Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution. + * - The name of the author may not be used to endorse or promote products + * derived from this software without specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR + * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES + * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. + * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, + * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT + * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, + * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY + * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT + * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF + * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. + */ + +/** @addtogroup libusbvirt usb + * @{ + */ +/** @file + * @brief Preprocessing of standard device requests. + */ +#include +#include +#include +#include + +#include "private.h" + + + +/* + * All sub handlers must return EFORWARD to inform the caller that + * they were not able to process the request (yes, it is abuse of + * this error code but such error code shall not collide with anything + * else in this context). + */ + +/** GET_DESCRIPTOR handler. */ +static int handle_get_descriptor(usbvirt_device_t *device, + uint8_t type, uint8_t index, uint16_t language, + uint16_t length) +{ + /* + * Standard device descriptor. + */ + if ((type == USB_DESCTYPE_DEVICE) && (index == 0)) { + if (device->descriptors && device->descriptors->device) { + return device->control_transfer_reply(device, 0, + device->descriptors->device, + device->descriptors->device->length); + } else { + return EFORWARD; + } + } + + /* + * Configuration descriptor together with interface, endpoint and + * class-specific descriptors. + */ + if (type == USB_DESCTYPE_CONFIGURATION) { + if (!device->descriptors) { + return EFORWARD; + } + if (index >= device->descriptors->configuration_count) { + return EFORWARD; + } + /* Copy the data. */ + usbvirt_device_configuration_t *config = &device->descriptors + ->configuration[index]; + uint8_t *all_data = malloc(config->descriptor->total_length); + if (all_data == NULL) { + return ENOMEM; + } + + uint8_t *ptr = all_data; + memcpy(ptr, config->descriptor, config->descriptor->length); + ptr += config->descriptor->length; + size_t i; + for (i = 0; i < config->extra_count; i++) { + usbvirt_device_configuration_extras_t *extra + = &config->extra[i]; + memcpy(ptr, extra->data, extra->length); + ptr += extra->length; + } + + int rc = device->control_transfer_reply(device, 0, + all_data, config->descriptor->total_length); + + free(all_data); + + return rc; + } + + return EFORWARD; +} + +/** SET_ADDRESS handler. */ +static int handle_set_address(usbvirt_device_t *device, + uint16_t new_address, + uint16_t zero1, uint16_t zero2) +{ + if ((zero1 != 0) || (zero2 != 0)) { + return EINVAL; + } + + if (new_address > 127) { + return EINVAL; + } + + device->new_address = new_address; + + return EOK; +} + +/** SET_CONFIGURATION handler. */ +static int handle_set_configuration(usbvirt_device_t *device, + uint16_t configuration_value, + uint16_t zero1, uint16_t zero2) +{ + if ((zero1 != 0) || (zero2 != 0)) { + return EINVAL; + } + + /* + * Configuration value is 1 byte information. + */ + if (configuration_value > 255) { + return EINVAL; + } + + /* + * Do nothing when in default state. According to specification, + * this is not specified. + */ + if (device->state == USBVIRT_STATE_DEFAULT) { + return EOK; + } + + if (configuration_value == 0) { + device->state = USBVIRT_STATE_ADDRESS; + } else { + /* + * TODO: browse provided configurations and verify that + * user selected existing configuration. + */ + device->state = USBVIRT_STATE_CONFIGURED; + if (device->descriptors) { + device->descriptors->current_configuration + = configuration_value; + } + } + + return EOK; +} + +#define HANDLE_REQUEST(request, data, type, dev, user_callback, default_handler) \ + do { \ + if ((request)->request == (type)) { \ + int _rc = EFORWARD; \ + if (((dev)->ops) && ((dev)->ops->standard_request_ops) \ + && ((dev)->ops->standard_request_ops->user_callback)) { \ + _rc = (dev)->ops->standard_request_ops->\ + user_callback(dev, request, data); \ + } \ + if (_rc == EFORWARD) { \ + default_handler; \ + } \ + return _rc; \ + } \ + } while (false) + +/** Handle standard device request. */ +int handle_std_request(usbvirt_device_t *device, + usb_device_request_setup_packet_t *request, uint8_t *data) +{ + device->lib_debug(device, 3, USBVIRT_DEBUGTAG_CONTROL_PIPE_ZERO, + "handling standard request %d", request->request); + + HANDLE_REQUEST(request, data, USB_DEVREQ_GET_DESCRIPTOR, + device, on_get_descriptor, + handle_get_descriptor(device, request->value_high, request->value_low, + request->index, request->length)); + + HANDLE_REQUEST(request, data, USB_DEVREQ_SET_ADDRESS, + device, on_set_address, + handle_set_address(device, request->value, + request->index, request->length)); + + HANDLE_REQUEST(request, data, USB_DEVREQ_SET_CONFIGURATION, + device, on_set_configuration, + handle_set_configuration(device, request->value, + request->index, request->length)); + + return ENOTSUP; +} + +/** + * @} + */ Index: uspace/lib/usbvirt/transaction.c =================================================================== --- uspace/lib/usbvirt/transaction.c (revision 3f0a7971b0a7536c06012fdd2835873631dfa824) +++ uspace/lib/usbvirt/transaction.c (revision 3f0a7971b0a7536c06012fdd2835873631dfa824) @@ -0,0 +1,267 @@ +/* + * Copyright (c) 2010 Vojtech Horky + * All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * + * - Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * - Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution. + * - The name of the author may not be used to endorse or promote products + * derived from this software without specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR + * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES + * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. + * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, + * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT + * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, + * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY + * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT + * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF + * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. + */ + +/** @addtogroup libusbvirt usb + * @{ + */ +/** @file + * @brief Transaction processing. + */ +#include +#include +#include + +#include "hub.h" +#include "private.h" + +static usb_direction_t setup_transaction_direction(usbvirt_device_t *, + usb_endpoint_t, void *, size_t); +static void process_control_transfer(usbvirt_device_t *, + usb_endpoint_t, usbvirt_control_transfer_t *); + +/** Convert virtual USB transaction type to string. + */ +const char *usbvirt_str_transaction_type(usbvirt_transaction_type_t type) +{ + switch (type) { + case USBVIRT_TRANSACTION_SETUP: + return "setup"; + case USBVIRT_TRANSACTION_IN: + return "in"; + case USBVIRT_TRANSACTION_OUT: + return "out"; + default: + return "unknown"; + } +} + +/** SETUP transaction handling. + * The setup transaction only prepares control transfer on given endpoint. + */ +int transaction_setup(usbvirt_device_t *device, usb_endpoint_t endpoint, + void *buffer, size_t size) +{ + device->lib_debug(device, 1, USBVIRT_DEBUGTAG_TRANSACTION, + "setup transaction: endpoint=%d, size=%u", endpoint, size); + + usbvirt_control_transfer_t *transfer = &device->current_control_transfers[endpoint]; + + if (transfer->request != NULL) { + free(transfer->request); + } + if (transfer->data != NULL) { + free(transfer->data); + } + + transfer->direction = setup_transaction_direction(device, endpoint, + buffer, size); + transfer->request = malloc(size); + memcpy(transfer->request, buffer, size); + transfer->request_size = size; + transfer->data = NULL; + transfer->data_size = 0; + + if (transfer->direction == USB_DIRECTION_IN) { + process_control_transfer(device, endpoint, transfer); + } + + return EOK; +} + +/** OUT transaction handling. + * The OUT transaction can trigger processing of a control transfer. + */ +int transaction_out(usbvirt_device_t *device, usb_endpoint_t endpoint, + void *buffer, size_t size) +{ + device->lib_debug(device, 1, USBVIRT_DEBUGTAG_TRANSACTION, + "out transaction: endpoint=%d, size=%u", endpoint, size); + + /* + * First check whether it is a transaction over control pipe. + */ + usbvirt_control_transfer_t *transfer = &device->current_control_transfers[endpoint]; + if (transfer->request != NULL) { + if (transfer->direction == USB_DIRECTION_OUT) { + /* + * For out transactions, append the data to the buffer. + */ + uint8_t *new_buffer = (uint8_t *) malloc(transfer->data_size + size); + if (transfer->data) { + memcpy(new_buffer, transfer->data, transfer->data_size); + } + memcpy(new_buffer + transfer->data_size, buffer, size); + + if (transfer->data) { + free(transfer->data); + } + transfer->data = new_buffer; + transfer->data_size += size; + } else { + /* + * For in transactions, this means end of the + * transaction. + */ + free(transfer->request); + if (transfer->data) { + free(transfer->data); + } + transfer->request = NULL; + transfer->request_size = 0; + transfer->data = NULL; + transfer->data_size = 0; + } + + return EOK; + } + + /* + * Otherwise, announce that some data has come. + */ + if (device->ops && device->ops->on_data) { + return device->ops->on_data(device, endpoint, buffer, size); + } else { + return ENOTSUP; + } +} + +/** IN transaction handling. + * The IN transaction can trigger processing of a control transfer. + */ +int transaction_in(usbvirt_device_t *device, usb_endpoint_t endpoint, + void *buffer, size_t size, size_t *data_size) +{ + device->lib_debug(device, 1, USBVIRT_DEBUGTAG_TRANSACTION, + "in transaction: endpoint=%d, size=%u", endpoint, size); + + /* + * First check whether it is a transaction over control pipe. + */ + usbvirt_control_transfer_t *transfer = &device->current_control_transfers[endpoint]; + if (transfer->request != NULL) { + if (transfer->direction == USB_DIRECTION_OUT) { + /* + * This means end of input data. + */ + process_control_transfer(device, endpoint, transfer); + } else { + /* + * For in transactions, this means sending next part + * of the buffer. + */ + // FIXME: handle when the HC wants the data back + // in more chunks + size_t actual_size = 0; + if (transfer->data) { + actual_size = transfer->data_size; + } + if (actual_size > size) { + actual_size = size; + } + if (actual_size > 0) { + memcpy(buffer, transfer->data, actual_size); + if (data_size) { + *data_size = actual_size; + } + } + } + + return EOK; + } + + if (size == 0) { + return EINVAL; + } + + int rc = 1; + + if (device->ops && device->ops->on_data_request) { + rc = device->ops->on_data_request(device, endpoint, buffer, size, data_size); + } + + return rc; +} + +/** Determine direction of control transfer. + * First, try the user provided callback, otherwise guess, believing that + * it uses the same format as control pipe 0. + */ +static usb_direction_t setup_transaction_direction(usbvirt_device_t *device, + usb_endpoint_t endpoint, + void *data, size_t size) +{ + int direction = -1; + if (device->ops && device->ops->decide_control_transfer_direction) { + direction = device->ops->decide_control_transfer_direction(endpoint, + data, size); + } + + /* + * If the user-supplied routine have not handled the direction + * (or simply was not provided) we will guess, hoping that it + * uses same format as standard request on control pipe zero. + */ + if (direction < 0) { + if (size > 0) { + uint8_t *ptr = (uint8_t *) data; + if ((ptr[0] & 128) == 128) { + direction = USB_DIRECTION_IN; + } else { + direction = USB_DIRECTION_OUT; + } + } else { + /* This shall not happen anyway. */ + direction = USB_DIRECTION_OUT; + } + } + + return (usb_direction_t) direction; +} + +/** Process control transfer. + */ +static void process_control_transfer(usbvirt_device_t *device, + usb_endpoint_t endpoint, + usbvirt_control_transfer_t *transfer) +{ + int rc = EFORWARD; + + if (device->ops && device->ops->on_control_transfer) { + rc = device->ops->on_control_transfer(device, endpoint, transfer); + } + + if (rc == EFORWARD) { + if (endpoint == 0) { + rc = control_pipe(device, transfer); + } + } +} + +/** + * @} + */