Index: uspace/drv/usbhid/kbd/main.c =================================================================== --- uspace/drv/usbhid/kbd/main.c (revision a22004f930b56aab3f839f28d580a261729032cb) +++ (revision ) @@ -1,244 +1,0 @@ -/* - * Copyright (c) 2010 Vojtech Horky - * Copyright (c) 2011 Lubos Slovak - * 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 drvusbhid - * @{ - */ -/** - * @file - * Main routines of USB KBD driver. - */ - -#include -#include -#include -#include - -#include - -#include "kbddev.h" -#include "kbdrepeat.h" - -/*----------------------------------------------------------------------------*/ - -#define NAME "usbkbd" - -/** - * Function for adding a new device of type USB/HID/keyboard. - * - * This functions initializes required structures from the device's descriptors - * and starts new fibril for polling the keyboard for events and another one for - * handling auto-repeat of keys. - * - * During initialization, the keyboard is switched into boot protocol, the idle - * rate is set to 0 (infinity), resulting in the keyboard only reporting event - * when a key is pressed or released. Finally, the LED lights are turned on - * according to the default setup of lock keys. - * - * @note By default, the keyboards is initialized with Num Lock turned on and - * other locks turned off. - * @note Currently supports only boot-protocol keyboards. - * - * @param dev Device to add. - * - * @retval EOK if successful. - * @retval ENOMEM if there - * @return Other error code inherited from one of functions usb_kbd_init(), - * ddf_fun_bind() and ddf_fun_add_to_class(). - * - * @sa usb_kbd_fibril(), usb_kbd_repeat_fibril() - */ -static int usb_kbd_try_add_device(usb_device_t *dev) -{ - /* Create the function exposed under /dev/devices. */ - ddf_fun_t *kbd_fun = ddf_fun_create(dev->ddf_dev, fun_exposed, - "keyboard"); - if (kbd_fun == NULL) { - usb_log_error("Could not create DDF function node.\n"); - return ENOMEM; - } - - /* - * Initialize device (get and process descriptors, get address, etc.) - */ - usb_log_debug("Initializing USB/HID KBD device...\n"); - - usb_kbd_t *kbd_dev = usb_kbd_new(); - if (kbd_dev == NULL) { - usb_log_error("Error while creating USB/HID KBD device " - "structure.\n"); - ddf_fun_destroy(kbd_fun); - return ENOMEM; // TODO: some other code?? - } - - int rc = usb_kbd_init(kbd_dev, dev); - - if (rc != EOK) { - usb_log_error("Failed to initialize USB/HID KBD device.\n"); - ddf_fun_destroy(kbd_fun); - usb_kbd_free(&kbd_dev); - return rc; - } - - usb_log_debug("USB/HID KBD device structure initialized.\n"); - - /* - * Store the initialized keyboard device and keyboard ops - * to the DDF function. - */ - kbd_fun->driver_data = kbd_dev; - kbd_fun->ops = &keyboard_ops; - - rc = ddf_fun_bind(kbd_fun); - if (rc != EOK) { - usb_log_error("Could not bind DDF function: %s.\n", - str_error(rc)); - // TODO: Can / should I destroy the DDF function? - ddf_fun_destroy(kbd_fun); - usb_kbd_free(&kbd_dev); - return rc; - } - - rc = ddf_fun_add_to_class(kbd_fun, "keyboard"); - if (rc != EOK) { - usb_log_error( - "Could not add DDF function to class 'keyboard': %s.\n", - str_error(rc)); - ddf_fun_destroy(kbd_fun); - usb_kbd_free(&kbd_dev); - return rc; - } - - /* Start automated polling function. - * This will create a separate fibril that will query the device - * for the data continuously - */ - rc = usb_device_auto_poll(dev, - /* Index of the polling pipe. */ - USB_KBD_POLL_EP_NO, - /* Callback when data arrives. */ - usb_kbd_polling_callback, - /* How much data to request. */ - dev->pipes[USB_KBD_POLL_EP_NO].pipe->max_packet_size, - /* Callback when the polling ends. */ - usb_kbd_polling_ended_callback, - /* Custom argument. */ - kbd_dev); - - - if (rc != EOK) { - usb_log_error("Failed to start polling fibril for `%s'.\n", - dev->ddf_dev->name); - return rc; - } - - /* - * Create new fibril for auto-repeat - */ - fid_t fid = fibril_create(usb_kbd_repeat_fibril, kbd_dev); - if (fid == 0) { - usb_log_error("Failed to start fibril for KBD auto-repeat"); - return ENOMEM; - } - fibril_add_ready(fid); - - (void)keyboard_ops; - - /* - * Hurrah, device is initialized. - */ - return EOK; -} - -/*----------------------------------------------------------------------------*/ -/** - * Callback for passing a new device to the driver. - * - * @note Currently, only boot-protocol keyboards are supported by this driver. - * - * @param dev Structure representing the new device. - * - * @retval EOK if successful. - * @retval EREFUSED if the device is not supported. - */ -static int usb_kbd_add_device(usb_device_t *dev) -{ - usb_log_debug("usb_kbd_add_device()\n"); - - if (dev->interface_no < 0) { - usb_log_warning("Device is not a supported keyboard.\n"); - usb_log_error("Failed to add USB KBD device: endpoint not " - "found.\n"); - return ENOTSUP; - } - - int rc = usb_kbd_try_add_device(dev); - - if (rc != EOK) { - usb_log_warning("Device is not a supported keyboard.\n"); - usb_log_error("Failed to add KBD device: %s.\n", - str_error(rc)); - return rc; - } - - usb_log_info("Keyboard `%s' ready to use.\n", dev->ddf_dev->name); - - return EOK; -} - -/*----------------------------------------------------------------------------*/ - -/* Currently, the framework supports only device adding. Once the framework - * supports unplug, more callbacks will be added. */ -static usb_driver_ops_t usb_kbd_driver_ops = { - .add_device = usb_kbd_add_device, -}; - - -/* The driver itself. */ -static usb_driver_t usb_kbd_driver = { - .name = NAME, - .ops = &usb_kbd_driver_ops, - .endpoints = usb_kbd_endpoints -}; - -/*----------------------------------------------------------------------------*/ - -int main(int argc, char *argv[]) -{ - printf(NAME ": HelenOS USB KBD driver.\n"); - - usb_log_enable(USB_LOG_LEVEL_DEBUG, NAME); - - return usb_driver_main(&usb_kbd_driver); -} - -/** - * @} - */