Patrick Georgi | d21f68b | 2008-09-02 16:06:22 +0000 | [diff] [blame] | 1 | /* |
| 2 | * This file is part of the libpayload project. |
| 3 | * |
| 4 | * Copyright (C) 2008 coresystems GmbH |
| 5 | * |
| 6 | * Redistribution and use in source and binary forms, with or without |
| 7 | * modification, are permitted provided that the following conditions |
| 8 | * are met: |
| 9 | * 1. Redistributions of source code must retain the above copyright |
| 10 | * notice, this list of conditions and the following disclaimer. |
| 11 | * 2. Redistributions in binary form must reproduce the above copyright |
| 12 | * notice, this list of conditions and the following disclaimer in the |
| 13 | * documentation and/or other materials provided with the distribution. |
| 14 | * 3. The name of the author may not be used to endorse or promote products |
| 15 | * derived from this software without specific prior written permission. |
| 16 | * |
| 17 | * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND |
| 18 | * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE |
| 19 | * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE |
| 20 | * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE |
| 21 | * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL |
| 22 | * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS |
| 23 | * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) |
| 24 | * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT |
| 25 | * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY |
| 26 | * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF |
| 27 | * SUCH DAMAGE. |
| 28 | */ |
| 29 | |
Jordan Crouse | 29061a5 | 2008-09-11 17:29:00 +0000 | [diff] [blame] | 30 | #include <usb/usb.h> |
Patrick Georgi | 4727c07 | 2008-10-16 19:20:51 +0000 | [diff] [blame^] | 31 | #include <curses.h> |
Patrick Georgi | d21f68b | 2008-09-02 16:06:22 +0000 | [diff] [blame] | 32 | |
| 33 | enum { hid_subclass_none = 0, hid_subclass_boot = 1 }; |
Patrick Georgi | 4727c07 | 2008-10-16 19:20:51 +0000 | [diff] [blame^] | 34 | typedef enum { hid_proto_boot = 0, hid_proto_report = 1 } hid_proto; |
Patrick Georgi | d21f68b | 2008-09-02 16:06:22 +0000 | [diff] [blame] | 35 | enum { hid_boot_proto_none = 0, hid_boot_proto_keyboard = |
| 36 | 1, hid_boot_proto_mouse = 2 |
| 37 | }; |
| 38 | static const char *boot_protos[3] = { "(none)", "keyboard", "mouse" }; |
| 39 | enum { GET_REPORT = 0x1, GET_IDLE = 0x2, GET_PROTOCOL = 0x3, SET_REPORT = |
| 40 | 0x9, SET_IDLE = 0xa, SET_PROTOCOL = 0xb |
| 41 | }; |
| 42 | |
| 43 | static void |
| 44 | usb_hid_destroy (usbdev_t *dev) |
| 45 | { |
Patrick Georgi | 4727c07 | 2008-10-16 19:20:51 +0000 | [diff] [blame^] | 46 | free (dev->data); |
Patrick Georgi | d21f68b | 2008-09-02 16:06:22 +0000 | [diff] [blame] | 47 | } |
| 48 | |
Patrick Georgi | 4727c07 | 2008-10-16 19:20:51 +0000 | [diff] [blame^] | 49 | typedef struct { |
| 50 | void* queue; |
| 51 | } usbhid_inst_t; |
| 52 | |
| 53 | #define HID_INST(dev) ((usbhid_inst_t*)(dev)->data) |
| 54 | |
| 55 | /* buffer is global to all keyboard drivers */ |
| 56 | int count; |
| 57 | short keybuffer[16]; |
| 58 | |
Patrick Georgi | d21f68b | 2008-09-02 16:06:22 +0000 | [diff] [blame] | 59 | int keypress; |
Patrick Georgi | 4727c07 | 2008-10-16 19:20:51 +0000 | [diff] [blame^] | 60 | short keymap[256] = { |
| 61 | -1, -1, -1, -1, 'a', 'b', 'c', 'd', |
| 62 | 'e', 'f', 'g', 'h', 'i', 'j', 'k', 'l', |
| 63 | |
| 64 | 'm', 'n', 'o', 'p', 'q', 'r', 's', 't', |
| 65 | 'u', 'v', 'w', 'x', 'y', 'z', '1', '2', |
| 66 | |
| 67 | '3', '4', '5', '6', '7', '8', '9', '0', |
| 68 | '\n', '\e', '\b', '\t', ' ', '-', '=', '[', |
| 69 | |
| 70 | ']', '\\', -1, ';', '\'', '`', ',', '.', |
| 71 | '/', -1, KEY_F(1), KEY_F(2), KEY_F(3), KEY_F(4), KEY_F(5), KEY_F(6), |
| 72 | |
| 73 | KEY_F(7), KEY_F(8), KEY_F(9), KEY_F(10), KEY_F(11), KEY_F(12), -1, -1, |
| 74 | -1, -1, -1, -1, -1, -1, -1, -1, |
| 75 | /* 50 */ |
| 76 | -1, -1, -1, -1, -1, '*', '-', '+', |
| 77 | -1, KEY_END, KEY_DOWN, KEY_NPAGE, KEY_LEFT, -1, KEY_RIGHT, KEY_HOME, |
| 78 | |
| 79 | KEY_UP, KEY_PPAGE, -1, -1, -1, -1, -1, -1, |
| 80 | -1, -1, -1, -1, -1, -1, -1, -1, |
| 81 | |
Patrick Georgi | d21f68b | 2008-09-02 16:06:22 +0000 | [diff] [blame] | 82 | -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, |
| 83 | -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, |
| 84 | -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, |
| 85 | -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, |
| 86 | -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, |
| 87 | -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, |
| 88 | -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, |
| 89 | -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, |
| 90 | -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, |
| 91 | }; |
| 92 | |
| 93 | |
| 94 | static void |
| 95 | usb_hid_poll (usbdev_t *dev) |
| 96 | { |
Patrick Georgi | 4727c07 | 2008-10-16 19:20:51 +0000 | [diff] [blame^] | 97 | u8* buf; |
| 98 | while ((buf=dev->controller->poll_intr_queue (HID_INST(dev)->queue))) { |
| 99 | // FIXME: manage buf[0]=special keys, too |
| 100 | int i; |
| 101 | keypress = 0; |
| 102 | for (i=2; i<9; i++) { |
| 103 | if (buf[i] != 0) |
| 104 | keypress = keymap[buf[i]]; |
| 105 | else |
| 106 | break; |
| 107 | } |
| 108 | if ((keypress == -1) && (buf[2] != 0)) { |
| 109 | printf ("%x %x %x %x %x %x %x %x\n", buf[0], buf[1], buf[2], |
| 110 | buf[3], buf[4], buf[5], buf[6], buf[7]); |
| 111 | } |
| 112 | if (keypress != -1) { |
| 113 | /* ignore key presses if buffer full */ |
| 114 | if (count < 16) |
| 115 | keybuffer[count++] = keypress; |
| 116 | } |
Patrick Georgi | d21f68b | 2008-09-02 16:06:22 +0000 | [diff] [blame] | 117 | } |
| 118 | } |
| 119 | |
Patrick Georgi | 4727c07 | 2008-10-16 19:20:51 +0000 | [diff] [blame^] | 120 | static void |
| 121 | usb_hid_set_idle (usbdev_t *dev, interface_descriptor_t *interface, u16 duration) |
Patrick Georgi | d21f68b | 2008-09-02 16:06:22 +0000 | [diff] [blame] | 122 | { |
Patrick Georgi | 4727c07 | 2008-10-16 19:20:51 +0000 | [diff] [blame^] | 123 | dev_req_t dr; |
| 124 | dr.data_dir = host_to_device; |
| 125 | dr.req_type = class_type; |
| 126 | dr.req_recp = iface_recp; |
| 127 | dr.bRequest = SET_IDLE; |
| 128 | dr.wValue = (duration >> 2) << 8; |
| 129 | dr.wIndex = interface->bInterfaceNumber; |
| 130 | dr.wLength = 0; |
| 131 | dev->controller->control (dev, OUT, sizeof (dev_req_t), &dr, 0, 0); |
| 132 | } |
| 133 | |
| 134 | static void |
| 135 | usb_hid_set_protocol (usbdev_t *dev, interface_descriptor_t *interface, hid_proto proto) |
| 136 | { |
| 137 | dev_req_t dr; |
| 138 | dr.data_dir = host_to_device; |
| 139 | dr.req_type = class_type; |
| 140 | dr.req_recp = iface_recp; |
| 141 | dr.bRequest = SET_PROTOCOL; |
| 142 | dr.wValue = proto; |
| 143 | dr.wIndex = interface->bInterfaceNumber; |
| 144 | dr.wLength = 0; |
| 145 | dev->controller->control (dev, OUT, sizeof (dev_req_t), &dr, 0, 0); |
Patrick Georgi | d21f68b | 2008-09-02 16:06:22 +0000 | [diff] [blame] | 146 | } |
| 147 | |
| 148 | void |
| 149 | usb_hid_init (usbdev_t *dev) |
| 150 | { |
| 151 | |
Patrick Georgi | 4727c07 | 2008-10-16 19:20:51 +0000 | [diff] [blame^] | 152 | configuration_descriptor_t *cd = (configuration_descriptor_t*)dev->configuration; |
| 153 | interface_descriptor_t *interface = (interface_descriptor_t*)(((char *) cd) + cd->bLength); |
Patrick Georgi | d21f68b | 2008-09-02 16:06:22 +0000 | [diff] [blame] | 154 | |
| 155 | if (interface->bInterfaceSubClass == hid_subclass_boot) { |
| 156 | printf (" supports boot interface..\n"); |
| 157 | printf (" it's a %s\n", |
| 158 | boot_protos[interface->bInterfaceProtocol]); |
| 159 | if (interface->bInterfaceProtocol == hid_boot_proto_keyboard) { |
Patrick Georgi | 4727c07 | 2008-10-16 19:20:51 +0000 | [diff] [blame^] | 160 | dev->data = malloc (sizeof (usbhid_inst_t)); |
| 161 | printf (" configuring...\n"); |
| 162 | usb_hid_set_protocol(dev, interface, hid_proto_boot); |
| 163 | usb_hid_set_idle(dev, interface, 0); |
Patrick Georgi | d21f68b | 2008-09-02 16:06:22 +0000 | [diff] [blame] | 164 | printf (" activating...\n"); |
Patrick Georgi | d21f68b | 2008-09-02 16:06:22 +0000 | [diff] [blame] | 165 | |
| 166 | // only add here, because we only support boot-keyboard HID devices |
Patrick Georgi | d21f68b | 2008-09-02 16:06:22 +0000 | [diff] [blame] | 167 | dev->destroy = usb_hid_destroy; |
| 168 | dev->poll = usb_hid_poll; |
Patrick Georgi | 4727c07 | 2008-10-16 19:20:51 +0000 | [diff] [blame^] | 169 | int i; |
| 170 | for (i = 1; i <= dev->num_endp; i++) { |
| 171 | if (dev->endpoints[i].endpoint == 0) |
| 172 | continue; |
| 173 | if (dev->endpoints[i].type != INTERRUPT) |
| 174 | continue; |
| 175 | if (dev->endpoints[i].direction != IN) |
| 176 | continue; |
| 177 | break; |
| 178 | } |
| 179 | /* 20 buffers of 8 bytes, for every 10 msecs */ |
| 180 | HID_INST(dev)->queue = dev->controller->create_intr_queue (&dev->endpoints[i], 8, 20, 10); |
| 181 | count = 0; |
| 182 | printf (" configuration done.\n"); |
Patrick Georgi | d21f68b | 2008-09-02 16:06:22 +0000 | [diff] [blame] | 183 | } |
| 184 | } |
| 185 | } |
Patrick Georgi | 4727c07 | 2008-10-16 19:20:51 +0000 | [diff] [blame^] | 186 | |
| 187 | int usbhid_havechar (void) |
| 188 | { |
| 189 | return (count != 0); |
| 190 | } |
| 191 | |
| 192 | int usbhid_getchar (void) |
| 193 | { |
| 194 | if (count == 0) return 0; |
| 195 | short ret = keybuffer[0]; |
| 196 | memmove (keybuffer, keybuffer+1, --count); |
| 197 | return ret; |
| 198 | } |