| 1 | /*
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| 2 | * Copyright (c) 2011 Lubos Slovak
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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 drvusbhid
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| 30 | * @{
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| 31 | */
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| 32 | /** @file
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| 33 | * USB HID keyboard device structure and API.
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| 34 | */
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| 35 |
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| 36 | #ifndef USB_HID_KBDDEV_H_
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| 37 | #define USB_HID_KBDDEV_H_
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| 38 |
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| 39 | #include <stdint.h>
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| 40 | #include <async.h>
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| 41 | #include <fibril_synch.h>
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| 42 | #include <usb/hid/hid.h>
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| 43 | #include <usb/hid/hidparser.h>
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| 44 | #include <ddf/driver.h>
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| 45 | #include <usb/dev/pipes.h>
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| 46 | #include <usb/dev/driver.h>
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| 47 | #include "../usbhid.h"
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| 48 | #include "kbdrepeat.h"
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| 49 |
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| 50 | /**
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| 51 | * USB/HID keyboard device type.
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| 52 | *
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| 53 | * Holds a reference to generic USB/HID device structure and keyboard-specific
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| 54 | * data, such as currently pressed keys, modifiers and lock keys.
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| 55 | *
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| 56 | * Also holds a IPC session to the console (since there is now no other way to
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| 57 | * communicate with it).
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| 58 | *
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| 59 | * @note Storing active lock keys in this structure results in their setting
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| 60 | * being device-specific.
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| 61 | */
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| 62 | typedef struct usb_kbd_t {
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| 63 | /** Link to HID device structure */
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| 64 | usb_hid_dev_t *hid_dev;
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| 65 |
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| 66 | /** Previously pressed keys (not translated to key codes). */
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| 67 | int32_t *keys_old;
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| 68 | /** Currently pressed keys (not translated to key codes). */
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| 69 | int32_t *keys;
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| 70 | /** Count of stored keys (i.e. number of keys in the report). */
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| 71 | size_t key_count;
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| 72 | /** Currently pressed modifiers (bitmap). */
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| 73 | uint8_t modifiers;
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| 74 |
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| 75 | /** Currently active modifiers including locks. Sent to the console. */
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| 76 | unsigned int mods;
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| 77 |
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| 78 | /** Currently active lock keys. */
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| 79 | unsigned int lock_keys;
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| 80 |
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| 81 | /** IPC session to client (for sending key events). */
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| 82 | async_sess_t *client_sess;
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| 83 |
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| 84 | /** Information for auto-repeat of keys. */
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| 85 | usb_kbd_repeat_t repeat;
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| 86 |
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| 87 | /** Mutex for accessing the information about auto-repeat. */
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| 88 | fibril_mutex_t repeat_mtx;
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| 89 |
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| 90 | uint8_t *output_buffer;
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| 91 |
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| 92 | size_t output_size;
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| 93 |
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| 94 | size_t led_output_size;
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| 95 |
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| 96 | usb_hid_report_path_t *led_path;
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| 97 |
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| 98 | int32_t *led_data;
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| 99 |
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| 100 | /** State of the structure (for checking before use).
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| 101 | *
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| 102 | * 0 - not initialized
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| 103 | * 1 - initialized
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| 104 | * -1 - ready for destroying
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| 105 | */
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| 106 | int initialized;
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| 107 |
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| 108 | /** DDF function */
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| 109 | ddf_fun_t *fun;
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| 110 | } usb_kbd_t;
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| 111 |
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| 112 | extern const usb_endpoint_description_t usb_hid_kbd_poll_endpoint_description;
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| 113 |
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| 114 | extern const char *HID_KBD_FUN_NAME;
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| 115 | extern const char *HID_KBD_CATEGORY;
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| 116 |
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| 117 | extern int usb_kbd_init(usb_hid_dev_t *, void **);
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| 118 | extern bool usb_kbd_polling_callback(usb_hid_dev_t *, void *);
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| 119 | extern int usb_kbd_is_initialized(const usb_kbd_t *);
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| 120 | extern int usb_kbd_is_ready_to_destroy(const usb_kbd_t *);
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| 121 | extern void usb_kbd_destroy(usb_kbd_t *);
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| 122 | extern void usb_kbd_push_ev(usb_kbd_t *, int, unsigned int);
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| 123 | extern void usb_kbd_deinit(usb_hid_dev_t *, void *);
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| 124 | extern int usb_kbd_set_boot_protocol(usb_hid_dev_t *);
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| 125 |
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| 126 | #endif /* USB_HID_KBDDEV_H_ */
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| 127 |
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| 128 | /**
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| 129 | * @}
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| 130 | */
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