| 1 | /*
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| 2 | * Copyright (c) 2011 Vojtech Horky
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| 3 | * All rights reserved.
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| 4 | *
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| 5 | * Redistribution and use in source and binary forms, with or without
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| 6 | * modification, are permitted provided that the following conditions
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| 7 | * are met:
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| 8 | *
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| 9 | * - Redistributions of source code must retain the above copyright
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| 10 | * notice, this list of conditions and the following disclaimer.
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| 11 | * - Redistributions in binary form must reproduce the above copyright
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| 12 | * notice, this list of conditions and the following disclaimer in the
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| 13 | * documentation and/or other materials provided with the distribution.
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| 14 | * - The name of the author may not be used to endorse or promote products
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| 15 | * derived from this software without specific prior written permission.
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| 16 | *
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| 17 | * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
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| 18 | * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
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| 19 | * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
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| 20 | * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
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| 21 | * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
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| 22 | * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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| 23 | * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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| 24 | * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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| 25 | * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
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| 26 | * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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| 27 | */
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| 28 |
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| 29 | /** @addtogroup drvusbmouse
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| 30 | * @{
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| 31 | */
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| 32 | /**
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| 33 | * @file
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| 34 | * Initialization routines for USB mouse driver.
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| 35 | */
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| 36 |
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| 37 | #include "mouse.h"
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| 38 | #include <usb/debug.h>
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| 39 | #include <usb/classes/classes.h>
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| 40 | #include <usb/hid/hid.h>
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| 41 | #include <usb/dev/request.h>
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| 42 | #include <usb/hid/request.h>
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| 43 | #include <errno.h>
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| 44 |
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| 45 | /** Mouse polling endpoint description for boot protocol subclass. */
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| 46 | usb_endpoint_description_t poll_endpoint_description = {
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| 47 | .transfer_type = USB_TRANSFER_INTERRUPT,
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| 48 | .direction = USB_DIRECTION_IN,
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| 49 | .interface_class = USB_CLASS_HID,
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| 50 | .interface_subclass = USB_HID_SUBCLASS_BOOT,
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| 51 | .interface_protocol = USB_HID_PROTOCOL_MOUSE,
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| 52 | .flags = 0
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| 53 | };
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| 54 |
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| 55 | /** Default handler for IPC methods not handled by DDF.
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| 56 | *
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| 57 | * @param fun Device function handling the call.
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| 58 | * @param icallid Call ID.
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| 59 | * @param icall Call data.
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| 60 | *
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| 61 | */
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| 62 | static void default_connection_handler(ddf_fun_t *fun, ipc_callid_t icallid,
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| 63 | ipc_call_t *icall)
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| 64 | {
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| 65 | usb_mouse_t *mouse = (usb_mouse_t *) fun->driver_data;
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| 66 | assert(mouse != NULL);
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| 67 |
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| 68 | async_sess_t *callback =
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| 69 | async_callback_receive_start(EXCHANGE_SERIALIZE, icall);
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| 70 |
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| 71 | if (callback) {
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| 72 | if (mouse->console_sess == NULL) {
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| 73 | mouse->console_sess = callback;
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| 74 | async_answer_0(icallid, EOK);
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| 75 | } else
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| 76 | async_answer_0(icallid, ELIMIT);
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| 77 | } else
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| 78 | async_answer_0(icallid, EINVAL);
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| 79 | }
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| 80 |
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| 81 | /** Device ops for USB mouse. */
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| 82 | static ddf_dev_ops_t mouse_ops = {
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| 83 | .default_handler = default_connection_handler
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| 84 | };
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| 85 |
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| 86 | /** Create USB mouse device.
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| 87 | *
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| 88 | * The mouse device is stored into <code>dev->driver_data</code>.
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| 89 | *
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| 90 | * @param dev Generic device.
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| 91 | * @return Error code.
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| 92 | */
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| 93 | int usb_mouse_create(usb_device_t *dev)
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| 94 | {
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| 95 | usb_mouse_t *mouse = malloc(sizeof(usb_mouse_t));
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| 96 | if (mouse == NULL)
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| 97 | return ENOMEM;
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| 98 |
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| 99 | mouse->dev = dev;
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| 100 | mouse->console_sess = NULL;
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| 101 |
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| 102 | int rc;
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| 103 |
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| 104 | /* Create DDF function. */
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| 105 | mouse->mouse_fun = ddf_fun_create(dev->ddf_dev, fun_exposed, "mouse");
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| 106 | if (mouse->mouse_fun == NULL) {
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| 107 | rc = ENOMEM;
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| 108 | goto leave;
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| 109 | }
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| 110 |
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| 111 | mouse->mouse_fun->ops = &mouse_ops;
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| 112 |
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| 113 | rc = ddf_fun_bind(mouse->mouse_fun);
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| 114 | if (rc != EOK)
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| 115 | goto leave;
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| 116 |
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| 117 | /* Add the function to mouse class. */
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| 118 | rc = ddf_fun_add_to_category(mouse->mouse_fun, "mouse");
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| 119 | if (rc != EOK)
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| 120 | goto leave;
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| 121 |
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| 122 | /* Set the boot protocol. */
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| 123 | rc = usbhid_req_set_protocol(&dev->ctrl_pipe, dev->interface_no,
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| 124 | USB_HID_PROTOCOL_BOOT);
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| 125 | if (rc != EOK)
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| 126 | goto leave;
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| 127 |
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| 128 | /* Everything allright. */
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| 129 | dev->driver_data = mouse;
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| 130 | mouse->mouse_fun->driver_data = mouse;
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| 131 |
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| 132 | return EOK;
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| 133 |
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| 134 | leave:
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| 135 | free(mouse);
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| 136 | return rc;
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| 137 | }
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| 138 |
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| 139 | /**
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| 140 | * @}
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| 141 | */
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