/* * Copyright (c) 2011 Vojtech Horky, Jan Vesely * 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 usb * @{ */ /** @file * @brief UHCI driver */ #include #include #include #include #include "iface.h" #include "uhci.h" static int get_address(device_t *dev, devman_handle_t handle, usb_address_t *address) { assert(dev); uhci_t *hc = dev_to_uhci(dev); assert(hc); *address = usb_address_keeping_find(&hc->address_manager, handle); if (*address <= 0) return *address; return EOK; } /*----------------------------------------------------------------------------*/ static int reserve_default_address(device_t *dev) { assert(dev); uhci_t *hc = dev_to_uhci(dev); assert(hc); usb_address_keeping_reserve_default(&hc->address_manager); return EOK; } /*----------------------------------------------------------------------------*/ static int release_default_address(device_t *dev) { assert(dev); uhci_t *hc = dev_to_uhci(dev); assert(hc); usb_address_keeping_release_default(&hc->address_manager); return EOK; } /*----------------------------------------------------------------------------*/ static int request_address(device_t *dev, usb_address_t *address) { assert(dev); uhci_t *hc = dev_to_uhci(dev); assert(hc); *address = usb_address_keeping_request(&hc->address_manager); if (*address <= 0) return *address; return EOK; } /*----------------------------------------------------------------------------*/ static int bind_address( device_t *dev, usb_address_t address, devman_handle_t handle) { assert(dev); uhci_t *hc = dev_to_uhci(dev); assert(hc); usb_address_keeping_devman_bind(&hc->address_manager, address, handle); return EOK; } /*----------------------------------------------------------------------------*/ static int release_address(device_t *dev, usb_address_t address) { assert(dev); uhci_t *hc = dev_to_uhci(dev); assert(hc); usb_address_keeping_release_default(&hc->address_manager); return EOK; } /*----------------------------------------------------------------------------*/ static int interrupt_out(device_t *dev, usb_target_t target, void *data, size_t size, usbhc_iface_transfer_out_callback_t callback, void *arg) { assert(dev); uhci_t *hc = dev_to_uhci(dev); assert(hc); return uhci_transfer(hc, dev, target, USB_TRANSFER_INTERRUPT, 0, USB_PID_OUT, data, size, callback, NULL, arg); } /*----------------------------------------------------------------------------*/ static int interrupt_in(device_t *dev, usb_target_t target, void *data, size_t size, usbhc_iface_transfer_in_callback_t callback, void *arg) { assert(dev); uhci_t *hc = dev_to_uhci(dev); assert(hc); return uhci_transfer(hc, dev, target, USB_TRANSFER_INTERRUPT, 0, USB_PID_IN, data, size, NULL, callback, arg); } /*----------------------------------------------------------------------------*/ static int control_write_setup(device_t *dev, usb_target_t target, void *data, size_t size, usbhc_iface_transfer_out_callback_t callback, void *arg) { assert(dev); uhci_t *hc = dev_to_uhci(dev); assert(hc); return uhci_transfer(hc, dev, target, USB_TRANSFER_CONTROL, 0, USB_PID_SETUP, data, size, callback, NULL, arg); } /*----------------------------------------------------------------------------*/ static int control_write_data(device_t *dev, usb_target_t target, void *data, size_t size, usbhc_iface_transfer_out_callback_t callback, void *arg) { assert(dev); uhci_t *hc = dev_to_uhci(dev); assert(hc); return uhci_transfer(hc, dev, target, USB_TRANSFER_CONTROL, 1, USB_PID_OUT, data, size, callback, NULL, arg); } /*----------------------------------------------------------------------------*/ static int control_write_status(device_t *dev, usb_target_t target, usbhc_iface_transfer_in_callback_t callback, void *arg) { assert(dev); uhci_t *hc = dev_to_uhci(dev); assert(hc); return uhci_transfer(hc, dev, target, USB_TRANSFER_CONTROL, 0, USB_PID_IN, NULL, 0, NULL, callback, arg); } /*----------------------------------------------------------------------------*/ static int control_read_setup(device_t *dev, usb_target_t target, void *data, size_t size, usbhc_iface_transfer_out_callback_t callback, void *arg) { assert(dev); uhci_t *hc = dev_to_uhci(dev); assert(hc); return uhci_transfer(hc, dev, target, USB_TRANSFER_CONTROL, 0, USB_PID_SETUP, data, size, callback, NULL, arg); } /*----------------------------------------------------------------------------*/ static int control_read_data(device_t *dev, usb_target_t target, void *data, size_t size, usbhc_iface_transfer_in_callback_t callback, void *arg) { assert(dev); uhci_t *hc = dev_to_uhci(dev); assert(hc); return uhci_transfer(hc, dev, target, USB_TRANSFER_CONTROL, 1, USB_PID_IN, data, size, NULL, callback, arg); } /*----------------------------------------------------------------------------*/ static int control_read_status(device_t *dev, usb_target_t target, usbhc_iface_transfer_out_callback_t callback, void *arg) { assert(dev); uhci_t *hc = dev_to_uhci(dev); assert(hc); return uhci_transfer(hc, dev, target, USB_TRANSFER_CONTROL, 0, USB_PID_OUT, NULL, 0, callback, NULL, arg); } usbhc_iface_t uhci_iface = { .tell_address = get_address, .reserve_default_address = reserve_default_address, .release_default_address = release_default_address, .request_address = request_address, .bind_address = bind_address, .release_address = release_address, .interrupt_out = interrupt_out, .interrupt_in = interrupt_in, .control_write_setup = control_write_setup, .control_write_data = control_write_data, .control_write_status = control_write_status, .control_read_setup = control_read_setup, .control_read_data = control_read_data, .control_read_status = control_read_status }; /** * @} */