f060b9764d
git-svn-id: svn://svn.rockbox.org/rockbox/trunk@22018 a1c6a512-1295-4272-9138-f99709370657
859 lines
24 KiB
C
859 lines
24 KiB
C
/***************************************************************************
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* __________ __ ___.
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* Open \______ \ ____ ____ | | _\_ |__ _______ ___
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* Source | _// _ \_/ ___\| |/ /| __ \ / _ \ \/ /
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* Jukebox | | ( <_> ) \___| < | \_\ ( <_> > < <
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* Firmware |____|_ /\____/ \___ >__|_ \|___ /\____/__/\_ \
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* \/ \/ \/ \/ \/
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* $Id$
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*
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* Copyright (C) 2007 by Björn Stenberg
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*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License
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* as published by the Free Software Foundation; either version 2
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* of the License, or (at your option) any later version.
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*
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* This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY
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* KIND, either express or implied.
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*
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****************************************************************************/
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#include "system.h"
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#include "thread.h"
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#include "kernel.h"
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#include "string.h"
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//#define LOGF_ENABLE
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#include "logf.h"
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#include "usb.h"
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#include "usb_ch9.h"
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#include "usb_drv.h"
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#include "usb_core.h"
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#include "usb_class_driver.h"
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#if defined(USB_ENABLE_STORAGE)
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#include "usb_storage.h"
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#endif
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#if defined(USB_ENABLE_SERIAL)
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#include "usb_serial.h"
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#endif
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#if defined(USB_ENABLE_CHARGING_ONLY)
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#include "usb_charging_only.h"
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#endif
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#if defined(USB_ENABLE_HID)
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#include "usb_hid.h"
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#endif
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/* TODO: Move target-specific stuff somewhere else (serial number reading) */
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#ifdef HAVE_AS3514
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#include "ascodec.h"
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#include "as3514.h"
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#endif
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#if !defined(HAVE_AS3514) && !defined(IPOD_ARCH) && (CONFIG_STORAGE & STORAGE_ATA)
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#include "ata.h"
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#endif
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#ifndef USB_MAX_CURRENT
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#define USB_MAX_CURRENT 500
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#endif
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/*-------------------------------------------------------------------------*/
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/* USB protocol descriptors: */
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static struct usb_device_descriptor __attribute__((aligned(2)))
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device_descriptor=
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{
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.bLength = sizeof(struct usb_device_descriptor),
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.bDescriptorType = USB_DT_DEVICE,
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#ifndef USB_NO_HIGH_SPEED
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.bcdUSB = 0x0200,
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#else
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.bcdUSB = 0x0110,
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#endif
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.bDeviceClass = USB_CLASS_PER_INTERFACE,
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.bDeviceSubClass = 0,
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.bDeviceProtocol = 0,
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.bMaxPacketSize0 = 64,
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.idVendor = USB_VENDOR_ID,
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.idProduct = USB_PRODUCT_ID,
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.bcdDevice = 0x0100,
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.iManufacturer = 1,
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.iProduct = 2,
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.iSerialNumber = 3,
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.bNumConfigurations = 1
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} ;
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static struct usb_config_descriptor __attribute__((aligned(2)))
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config_descriptor =
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{
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.bLength = sizeof(struct usb_config_descriptor),
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.bDescriptorType = USB_DT_CONFIG,
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.wTotalLength = 0, /* will be filled in later */
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.bNumInterfaces = 1,
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.bConfigurationValue = 1,
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.iConfiguration = 0,
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.bmAttributes = USB_CONFIG_ATT_ONE | USB_CONFIG_ATT_SELFPOWER,
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.bMaxPower = (USB_MAX_CURRENT+1) / 2, /* In 2mA units */
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};
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static const struct usb_qualifier_descriptor __attribute__((aligned(2)))
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qualifier_descriptor =
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{
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.bLength = sizeof(struct usb_qualifier_descriptor),
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.bDescriptorType = USB_DT_DEVICE_QUALIFIER,
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.bcdUSB = 0x0200,
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.bDeviceClass = 0,
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.bDeviceSubClass = 0,
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.bDeviceProtocol = 0,
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.bMaxPacketSize0 = 64,
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.bNumConfigurations = 1
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};
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static const struct usb_string_descriptor __attribute__((aligned(2)))
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usb_string_iManufacturer =
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{
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24,
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USB_DT_STRING,
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{'R','o','c','k','b','o','x','.','o','r','g'}
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};
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static const struct usb_string_descriptor __attribute__((aligned(2)))
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usb_string_iProduct =
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{
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42,
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USB_DT_STRING,
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{'R','o','c','k','b','o','x',' ',
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'm','e','d','i','a',' ',
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'p','l','a','y','e','r'}
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};
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static struct usb_string_descriptor __attribute__((aligned(2)))
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usb_string_iSerial =
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{
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84,
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USB_DT_STRING,
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{'0','0','0','0','0','0','0','0','0','0','0','0','0','0','0','0',
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'0','0','0','0','0','0','0','0','0','0','0','0','0','0','0','0',
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'0','0','0','0','0','0','0','0','0'}
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};
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/* Generic for all targets */
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/* this is stringid #0: languages supported */
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static const struct usb_string_descriptor __attribute__((aligned(2)))
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lang_descriptor =
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{
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4,
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USB_DT_STRING,
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{0x0409} /* LANGID US English */
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};
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static const struct usb_string_descriptor* const usb_strings[] =
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{
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&lang_descriptor,
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&usb_string_iManufacturer,
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&usb_string_iProduct,
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&usb_string_iSerial
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};
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static int usb_address = 0;
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static bool initialized = false;
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static enum { DEFAULT, ADDRESS, CONFIGURED } usb_state;
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static int usb_core_num_interfaces;
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typedef void (*completion_handler_t)(int ep,int dir,int status,int length);
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typedef bool (*control_handler_t)(struct usb_ctrlrequest* req,unsigned char* dest);
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static struct
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{
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completion_handler_t completion_handler[2];
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control_handler_t control_handler[2];
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struct usb_transfer_completion_event_data completion_event;
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} ep_data[USB_NUM_ENDPOINTS];
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static struct usb_class_driver drivers[USB_NUM_DRIVERS] =
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{
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#ifdef USB_ENABLE_STORAGE
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[USB_DRIVER_MASS_STORAGE] = {
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.enabled = false,
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.needs_exclusive_storage = true,
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.first_interface = 0,
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.last_interface = 0,
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.request_endpoints = usb_storage_request_endpoints,
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.set_first_interface = usb_storage_set_first_interface,
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.get_config_descriptor = usb_storage_get_config_descriptor,
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.init_connection = usb_storage_init_connection,
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.init = usb_storage_init,
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.disconnect = usb_storage_disconnect,
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.transfer_complete = usb_storage_transfer_complete,
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.control_request = usb_storage_control_request,
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#ifdef HAVE_HOTSWAP
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.notify_hotswap = usb_storage_notify_hotswap,
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#endif
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},
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#endif
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#ifdef USB_ENABLE_SERIAL
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[USB_DRIVER_SERIAL] = {
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.enabled = false,
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.needs_exclusive_storage = false,
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.first_interface = 0,
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.last_interface = 0,
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.request_endpoints = usb_serial_request_endpoints,
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.set_first_interface = usb_serial_set_first_interface,
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.get_config_descriptor = usb_serial_get_config_descriptor,
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.init_connection = usb_serial_init_connection,
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.init = usb_serial_init,
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.disconnect = usb_serial_disconnect,
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.transfer_complete = usb_serial_transfer_complete,
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.control_request = usb_serial_control_request,
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#ifdef HAVE_HOTSWAP
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.notify_hotswap = NULL,
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#endif
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},
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#endif
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#ifdef USB_ENABLE_CHARGING_ONLY
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[USB_DRIVER_CHARGING_ONLY] = {
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.enabled = false,
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.needs_exclusive_storage = false,
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.first_interface = 0,
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.last_interface = 0,
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.request_endpoints = usb_charging_only_request_endpoints,
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.set_first_interface = usb_charging_only_set_first_interface,
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.get_config_descriptor = usb_charging_only_get_config_descriptor,
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.init_connection = NULL,
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.init = NULL,
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.disconnect = NULL,
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.transfer_complete = NULL,
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.control_request = NULL,
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#ifdef HAVE_HOTSWAP
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.notify_hotswap = NULL,
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#endif
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},
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#endif
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#ifdef USB_ENABLE_HID
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[USB_DRIVER_HID] = {
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.enabled = false,
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.needs_exclusive_storage = false,
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.first_interface = 0,
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.last_interface = 0,
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.request_endpoints = usb_hid_request_endpoints,
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.set_first_interface = usb_hid_set_first_interface,
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.get_config_descriptor = usb_hid_get_config_descriptor,
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.init_connection = usb_hid_init_connection,
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.init = usb_hid_init,
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.disconnect = usb_hid_disconnect,
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.transfer_complete = usb_hid_transfer_complete,
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.control_request = usb_hid_control_request,
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#ifdef HAVE_HOTSWAP
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.notify_hotswap = NULL,
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#endif
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},
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#endif
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};
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static void usb_core_control_request_handler(struct usb_ctrlrequest* req);
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static unsigned char response_data[256] USB_DEVBSS_ATTR;
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static short hex[16] = {'0','1','2','3','4','5','6','7',
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'8','9','A','B','C','D','E','F'};
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#ifdef IPOD_ARCH
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static void set_serial_descriptor(void)
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{
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#ifdef IPOD_VIDEO
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uint32_t* serial = (uint32_t*)(0x20004034);
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#else
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uint32_t* serial = (uint32_t*)(0x20002034);
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#endif
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/* We need to convert from a little-endian 64-bit int
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into a utf-16 string of hex characters */
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short* p = &usb_string_iSerial.wString[24];
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uint32_t x;
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int i,j;
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for (i = 0; i < 2; i++) {
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x = serial[i];
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for (j=0;j<8;j++) {
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*p-- = hex[x & 0xf];
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x >>= 4;
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}
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}
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usb_string_iSerial.bLength=52;
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}
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#elif defined(HAVE_AS3514)
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static void set_serial_descriptor(void)
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{
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unsigned char serial[16];
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/* Align 32 digits right in the 40-digit serial number */
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short* p = &usb_string_iSerial.wString[1];
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int i;
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ascodec_readbytes(AS3514_UID_0, 0x10, serial);
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for (i = 0; i < 16; i++) {
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*p++ = hex[(serial[i] >> 4) & 0xF];
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*p++ = hex[(serial[i] >> 0) & 0xF];
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}
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usb_string_iSerial.bLength=68;
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}
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#elif (CONFIG_STORAGE & STORAGE_ATA)
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/* If we don't know the device serial number, use the one
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* from the disk */
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static void set_serial_descriptor(void)
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{
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short* p = &usb_string_iSerial.wString[1];
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unsigned short* identify = ata_get_identify();
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unsigned short x;
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int i;
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for (i = 10; i < 20; i++) {
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x = identify[i];
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*p++ = hex[(x >> 12) & 0xF];
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*p++ = hex[(x >> 8) & 0xF];
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*p++ = hex[(x >> 4) & 0xF];
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*p++ = hex[(x >> 0) & 0xF];
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}
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usb_string_iSerial.bLength=84;
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}
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#elif (CONFIG_STORAGE & STORAGE_RAMDISK)
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/* This "serial number" isn't unique, but it should never actually
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appear in non-testing use */
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static void set_serial_descriptor(void)
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{
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short* p = &usb_string_iSerial.wString[1];
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int i;
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for (i = 0; i < 16; i++) {
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*p++ = hex[(2*i)&0xF];
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*p++ = hex[(2*i+1)&0xF];
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}
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usb_string_iSerial.bLength=68;
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}
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#else
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static void set_serial_descriptor(void)
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{
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device_descriptor.iSerialNumber = 0;
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}
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#endif
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void usb_core_init(void)
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{
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int i;
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if (initialized)
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return;
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usb_drv_init();
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/* class driver init functions should be safe to call even if the driver
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* won't be used. This simplifies other logic (i.e. we don't need to know
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* yet which drivers will be enabled */
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for(i=0;i<USB_NUM_DRIVERS;i++) {
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if(drivers[i].init != NULL)
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drivers[i].init();
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}
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initialized = true;
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usb_state = DEFAULT;
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logf("usb_core_init() finished");
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}
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void usb_core_exit(void)
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{
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int i;
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for(i=0;i<USB_NUM_DRIVERS;i++) {
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if(drivers[i].enabled && drivers[i].disconnect != NULL)
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{
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drivers[i].disconnect();
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drivers[i].enabled = false;
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}
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}
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if (initialized) {
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usb_drv_exit();
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initialized = false;
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}
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usb_state = DEFAULT;
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logf("usb_core_exit() finished");
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}
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void usb_core_handle_transfer_completion(
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struct usb_transfer_completion_event_data* event)
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{
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completion_handler_t handler;
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int ep = event->endpoint;
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switch(ep) {
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case EP_CONTROL:
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logf("ctrl handled %ld",current_tick);
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usb_core_control_request_handler(
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(struct usb_ctrlrequest*)event->data);
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break;
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default:
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handler = ep_data[ep].completion_handler[EP_DIR(event->dir)];
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if(handler != NULL)
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handler(ep,event->dir,event->status,event->length);
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break;
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}
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}
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void usb_core_enable_driver(int driver,bool enabled)
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{
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drivers[driver].enabled = enabled;
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}
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bool usb_core_driver_enabled(int driver)
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{
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return drivers[driver].enabled;
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}
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bool usb_core_any_exclusive_storage(void)
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{
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int i;
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for(i=0;i<USB_NUM_DRIVERS;i++) {
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if(drivers[i].enabled && drivers[i].needs_exclusive_storage)
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{
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return true;
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}
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}
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return false;
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}
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#ifdef HAVE_HOTSWAP
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void usb_core_hotswap_event(int volume,bool inserted)
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{
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int i;
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for(i=0;i<USB_NUM_DRIVERS;i++) {
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if(drivers[i].enabled && drivers[i].notify_hotswap!=NULL)
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{
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drivers[i].notify_hotswap(volume,inserted);
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}
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}
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}
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#endif
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static void usb_core_set_serial_function_id(void)
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{
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int id = 0;
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int i;
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for(i=0;i<USB_NUM_DRIVERS;i++) {
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if(drivers[i].enabled)
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id |= 1<<i;
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}
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usb_string_iSerial.wString[0] = hex[id];
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}
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int usb_core_request_endpoint(int type, int dir, struct usb_class_driver* drv)
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{
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int ret, ep;
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ret = usb_drv_request_endpoint(type, dir);
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if (ret==-1)
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return -1;
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dir = EP_DIR(ret);
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ep = EP_NUM(ret);
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ep_data[ep].completion_handler[dir] = drv->transfer_complete;
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ep_data[ep].control_handler[dir] = drv->control_request;
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return ret;
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}
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void usb_core_release_endpoint(int ep)
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{
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int dir;
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usb_drv_release_endpoint(ep);
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dir = EP_DIR(ep);
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ep = EP_NUM(ep);
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ep_data[ep].completion_handler[dir] = NULL;
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ep_data[ep].control_handler[dir] = NULL;
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}
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static void allocate_interfaces_and_endpoints(void)
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{
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int i;
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int interface=0;
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memset(ep_data,0,sizeof(ep_data));
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for (i = 0; i < USB_NUM_ENDPOINTS; i++) {
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usb_drv_release_endpoint(i | USB_DIR_OUT);
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usb_drv_release_endpoint(i | USB_DIR_IN);
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}
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for(i=0;i<USB_NUM_DRIVERS;i++) {
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if(drivers[i].enabled) {
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drivers[i].first_interface = interface;
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if (drivers[i].request_endpoints(&drivers[i])) {
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drivers[i].enabled = false;
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continue;
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}
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interface = drivers[i].set_first_interface(interface);
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drivers[i].last_interface = interface;
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}
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}
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usb_core_num_interfaces = interface;
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}
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static void control_request_handler_drivers(struct usb_ctrlrequest* req)
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{
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int i, interface = req->wIndex;
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bool handled=false;
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for(i=0;i<USB_NUM_DRIVERS;i++) {
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if(drivers[i].enabled &&
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drivers[i].control_request &&
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drivers[i].first_interface <= interface &&
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drivers[i].last_interface > interface)
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{
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handled = drivers[i].control_request(req, response_data);
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if(handled)
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break;
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}
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}
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if(!handled) {
|
|
/* nope. flag error */
|
|
logf("bad req:desc %d:%d", req->bRequest, req->wValue>>8);
|
|
usb_drv_stall(EP_CONTROL, true, true);
|
|
usb_core_ack_control(req);
|
|
}
|
|
}
|
|
|
|
static void request_handler_device_get_descriptor(struct usb_ctrlrequest* req)
|
|
{
|
|
int size;
|
|
bool handled = true;
|
|
const void* ptr = NULL;
|
|
int length = req->wLength;
|
|
int index = req->wValue & 0xff;
|
|
|
|
switch(req->wValue>>8) { /* type */
|
|
case USB_DT_DEVICE:
|
|
ptr = &device_descriptor;
|
|
size = sizeof(struct usb_device_descriptor);
|
|
break;
|
|
|
|
case USB_DT_OTHER_SPEED_CONFIG:
|
|
case USB_DT_CONFIG: {
|
|
int i, max_packet_size;
|
|
|
|
if(req->wValue>>8==USB_DT_CONFIG) {
|
|
max_packet_size=(usb_drv_port_speed() ? 512 : 64);
|
|
config_descriptor.bDescriptorType=USB_DT_CONFIG;
|
|
}
|
|
else {
|
|
max_packet_size=(usb_drv_port_speed() ? 64 : 512);
|
|
config_descriptor.bDescriptorType =
|
|
USB_DT_OTHER_SPEED_CONFIG;
|
|
}
|
|
size = sizeof(struct usb_config_descriptor);
|
|
|
|
for(i=0;i<USB_NUM_DRIVERS;i++) {
|
|
if(drivers[i].enabled && drivers[i].get_config_descriptor) {
|
|
size+=drivers[i].get_config_descriptor(
|
|
&response_data[size],max_packet_size);
|
|
}
|
|
}
|
|
config_descriptor.bNumInterfaces = usb_core_num_interfaces;
|
|
config_descriptor.wTotalLength = size;
|
|
memcpy(&response_data[0],&config_descriptor,
|
|
sizeof(struct usb_config_descriptor));
|
|
|
|
ptr = response_data;
|
|
break;
|
|
}
|
|
|
|
case USB_DT_STRING:
|
|
logf("STRING %d",index);
|
|
if ((unsigned)index < (sizeof(usb_strings)/
|
|
sizeof(struct usb_string_descriptor*))) {
|
|
size = usb_strings[index]->bLength;
|
|
ptr = usb_strings[index];
|
|
}
|
|
else {
|
|
logf("bad string id %d",index);
|
|
usb_drv_stall(EP_CONTROL,true,true);
|
|
}
|
|
break;
|
|
|
|
case USB_DT_DEVICE_QUALIFIER:
|
|
ptr = &qualifier_descriptor;
|
|
size = sizeof(struct usb_qualifier_descriptor);
|
|
break;
|
|
|
|
default:
|
|
logf("ctrl desc.");
|
|
handled = false;
|
|
control_request_handler_drivers(req);
|
|
break;
|
|
}
|
|
|
|
if (ptr) {
|
|
logf("data %d (%d)",size,length);
|
|
length = MIN(size,length);
|
|
|
|
if (ptr != response_data) {
|
|
memcpy(response_data,ptr,length);
|
|
}
|
|
|
|
if(usb_drv_send(EP_CONTROL,response_data,length))
|
|
return;
|
|
}
|
|
if (handled)
|
|
usb_core_ack_control(req);
|
|
}
|
|
|
|
static void request_handler_device(struct usb_ctrlrequest* req)
|
|
{
|
|
int i;
|
|
|
|
switch(req->bRequest) {
|
|
case USB_REQ_GET_CONFIGURATION: {
|
|
logf("usb_core: GET_CONFIG");
|
|
response_data[0] = (usb_state == ADDRESS ? 0 : 1);
|
|
if(!usb_drv_send(EP_CONTROL, response_data, 1))
|
|
usb_core_ack_control(req);
|
|
break;
|
|
}
|
|
case USB_REQ_SET_CONFIGURATION: {
|
|
logf("usb_core: SET_CONFIG");
|
|
usb_drv_cancel_all_transfers();
|
|
if(req->wValue) {
|
|
usb_state = CONFIGURED;
|
|
for(i=0;i<USB_NUM_DRIVERS;i++) {
|
|
if(drivers[i].enabled && drivers[i].init_connection)
|
|
drivers[i].init_connection();
|
|
}
|
|
}
|
|
else {
|
|
usb_state = ADDRESS;
|
|
}
|
|
usb_core_ack_control(req);
|
|
break;
|
|
}
|
|
case USB_REQ_SET_ADDRESS: {
|
|
unsigned char address = req->wValue;
|
|
logf("usb_core: SET_ADR %d", address);
|
|
if(usb_core_ack_control(req))
|
|
break;
|
|
usb_drv_cancel_all_transfers();
|
|
usb_address = address;
|
|
usb_drv_set_address(usb_address);
|
|
usb_state = ADDRESS;
|
|
break;
|
|
}
|
|
case USB_REQ_GET_DESCRIPTOR:
|
|
logf("usb_core: GET_DESC %d", req->wValue>>8);
|
|
request_handler_device_get_descriptor(req);
|
|
break;
|
|
case USB_REQ_CLEAR_FEATURE:
|
|
break;
|
|
case USB_REQ_SET_FEATURE:
|
|
if(req->wValue==USB_DEVICE_TEST_MODE) {
|
|
int mode=req->wIndex>>8;
|
|
usb_core_ack_control(req);
|
|
usb_drv_set_test_mode(mode);
|
|
}
|
|
break;
|
|
case USB_REQ_GET_STATUS:
|
|
response_data[0]= 0;
|
|
response_data[1]= 0;
|
|
if(!usb_drv_send(EP_CONTROL, response_data, 2))
|
|
usb_core_ack_control(req);
|
|
break;
|
|
default:
|
|
break;
|
|
}
|
|
}
|
|
|
|
static void request_handler_interface_standard(struct usb_ctrlrequest* req)
|
|
{
|
|
switch (req->bRequest)
|
|
{
|
|
case USB_REQ_SET_INTERFACE:
|
|
logf("usb_core: SET_INTERFACE");
|
|
usb_core_ack_control(req);
|
|
break;
|
|
|
|
case USB_REQ_GET_INTERFACE:
|
|
logf("usb_core: GET_INTERFACE");
|
|
response_data[0]=0;
|
|
if(!usb_drv_send(EP_CONTROL,response_data,1))
|
|
usb_core_ack_control(req);
|
|
break;
|
|
case USB_REQ_CLEAR_FEATURE:
|
|
break;
|
|
case USB_REQ_SET_FEATURE:
|
|
break;
|
|
case USB_REQ_GET_STATUS:
|
|
response_data[0]=0;
|
|
response_data[1]=0;
|
|
if(!usb_drv_send(EP_CONTROL, response_data, 2))
|
|
usb_core_ack_control(req);
|
|
break;
|
|
default:
|
|
control_request_handler_drivers(req);
|
|
break;
|
|
}
|
|
}
|
|
|
|
static void request_handler_interface(struct usb_ctrlrequest* req)
|
|
{
|
|
switch(req->bRequestType & USB_TYPE_MASK) {
|
|
case USB_TYPE_STANDARD:
|
|
request_handler_interface_standard(req);
|
|
break;
|
|
case USB_TYPE_CLASS:
|
|
control_request_handler_drivers(req);
|
|
break;
|
|
case USB_TYPE_VENDOR:
|
|
break;
|
|
}
|
|
}
|
|
|
|
static void request_handler_endpoint(struct usb_ctrlrequest* req)
|
|
{
|
|
switch (req->bRequest) {
|
|
case USB_REQ_CLEAR_FEATURE:
|
|
if (req->wValue==USB_ENDPOINT_HALT) {
|
|
usb_drv_stall(EP_NUM(req->wIndex), false, EP_DIR(req->wIndex));
|
|
}
|
|
usb_core_ack_control(req);
|
|
break;
|
|
case USB_REQ_SET_FEATURE:
|
|
if (req->wValue==USB_ENDPOINT_HALT) {
|
|
usb_drv_stall(EP_NUM(req->wIndex), true, EP_DIR(req->wIndex));
|
|
}
|
|
usb_core_ack_control(req);
|
|
break;
|
|
case USB_REQ_GET_STATUS:
|
|
response_data[0]=0;
|
|
response_data[1]=0;
|
|
logf("usb_core: GET_STATUS");
|
|
if(req->wIndex>0) {
|
|
response_data[0]=usb_drv_stalled(EP_NUM(req->wIndex),
|
|
EP_DIR(req->wIndex));
|
|
}
|
|
if(!usb_drv_send(EP_CONTROL,response_data,2))
|
|
usb_core_ack_control(req);
|
|
break;
|
|
default: {
|
|
bool handled;
|
|
control_handler_t control_handler;
|
|
|
|
control_handler=
|
|
ep_data[EP_NUM(req->wIndex)].control_handler[EP_CONTROL];
|
|
if (!control_handler)
|
|
break;
|
|
|
|
handled=control_handler(req, response_data);
|
|
if (!handled) {
|
|
/* nope. flag error */
|
|
logf("usb bad req %d",req->bRequest);
|
|
usb_drv_stall(EP_CONTROL,true,true);
|
|
usb_core_ack_control(req);
|
|
}
|
|
break;
|
|
}
|
|
}
|
|
}
|
|
|
|
/* Handling USB requests starts here */
|
|
static void usb_core_control_request_handler(struct usb_ctrlrequest* req)
|
|
{
|
|
if (usb_state==DEFAULT) {
|
|
set_serial_descriptor();
|
|
usb_core_set_serial_function_id();
|
|
|
|
allocate_interfaces_and_endpoints();
|
|
}
|
|
|
|
switch(req->bRequestType & USB_RECIP_MASK) {
|
|
case USB_RECIP_DEVICE:
|
|
request_handler_device(req);
|
|
break;
|
|
case USB_RECIP_INTERFACE:
|
|
request_handler_interface(req);
|
|
break;
|
|
case USB_RECIP_ENDPOINT:
|
|
request_handler_endpoint(req);
|
|
break;
|
|
case USB_RECIP_OTHER:
|
|
logf("unsupported recipient");
|
|
break;
|
|
}
|
|
//logf("control handled");
|
|
}
|
|
|
|
/* called by usb_drv_int() */
|
|
void usb_core_bus_reset(void)
|
|
{
|
|
usb_address=0;
|
|
usb_state=DEFAULT;
|
|
}
|
|
|
|
/* called by usb_drv_transfer_completed() */
|
|
void usb_core_transfer_complete(int endpoint,int dir,int status,int length)
|
|
{
|
|
struct usb_transfer_completion_event_data *completion_event;
|
|
|
|
switch (endpoint) {
|
|
case EP_CONTROL:
|
|
/* already handled */
|
|
break;
|
|
|
|
default:
|
|
completion_event=&ep_data[endpoint].completion_event;
|
|
|
|
completion_event->endpoint=endpoint;
|
|
completion_event->dir=dir;
|
|
completion_event->data=0;
|
|
completion_event->status=status;
|
|
completion_event->length=length;
|
|
/* All other endoints. Let the thread deal with it */
|
|
usb_signal_transfer_completion(completion_event);
|
|
break;
|
|
}
|
|
}
|
|
|
|
/* called by usb_drv_int() */
|
|
void usb_core_control_request(struct usb_ctrlrequest* req)
|
|
{
|
|
struct usb_transfer_completion_event_data* completion_event =
|
|
&ep_data[EP_CONTROL].completion_event;
|
|
|
|
completion_event->endpoint=EP_CONTROL;
|
|
completion_event->dir=0;
|
|
completion_event->data=(void*)req;
|
|
completion_event->status=0;
|
|
completion_event->length=0;
|
|
logf("ctrl received %ld",current_tick);
|
|
usb_signal_transfer_completion(completion_event);
|
|
}
|
|
|
|
int usb_core_ack_control(struct usb_ctrlrequest* req)
|
|
{
|
|
if (req->bRequestType & USB_DIR_IN)
|
|
return usb_drv_recv(EP_CONTROL,NULL,0);
|
|
else
|
|
return usb_drv_send(EP_CONTROL,NULL,0);
|
|
}
|
|
|
|
#ifdef HAVE_USB_POWER
|
|
unsigned short usb_allowed_current()
|
|
{
|
|
return (usb_state==CONFIGURED) ? MAX(USB_MAX_CURRENT, 100) : 100;
|
|
}
|
|
#endif
|