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| Rev | Author | Line No. | Line |
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| 4629 | pillai | 1 | /* |
| 2 | * Copyright (c) 2001-2004 Jakub Jermar |
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| 3 | * Copyright (c) 2006 Josef Cejka |
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| 4 | * Copyright (c) 2009 Vineeth Pillai |
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| 5 | * All rights reserved. |
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| 6 | * |
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| 7 | * Redistribution and use in source and binary forms, with or without |
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| 8 | * modification, are permitted provided that the following conditions |
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| 9 | * are met: |
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| 10 | * |
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| 11 | * - Redistributions of source code must retain the above copyright |
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| 12 | * notice, this list of conditions and the following disclaimer. |
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| 13 | * - Redistributions in binary form must reproduce the above copyright |
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| 14 | * notice, this list of conditions and the following disclaimer in the |
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| 15 | * documentation and/or other materials provided with the distribution. |
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| 16 | * - The name of the author may not be used to endorse or promote products |
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| 17 | * derived from this software without specific prior written permission. |
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| 18 | * |
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| 19 | * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR |
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| 20 | * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES |
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| 21 | * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. |
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| 22 | * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, |
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| 23 | * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT |
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| 24 | * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
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| 25 | * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
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| 26 | * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
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| 27 | * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF |
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| 28 | * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
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| 29 | */ |
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| 30 | |||
| 31 | /** @addtogroup kbdarm32 arm32 |
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| 32 | * @brief HelenOS arm32/integratorcp arch dependent parts of uspace keyboard handler. |
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| 33 | * @ingroup kbd |
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| 34 | * @{ |
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| 35 | */ |
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| 36 | /** @file |
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| 37 | * @ingroup kbdarm32 |
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| 38 | */ |
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| 39 | #include <stdio.h> |
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| 40 | #include <arch/kbd.h> |
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| 41 | #include <ipc/ipc.h> |
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| 42 | #include <unistd.h> |
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| 43 | #include <kbd.h> |
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| 44 | #include <arch/pl050.h> |
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| 45 | #include <keys.h> |
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| 46 | #include <genarch/kbd.h> |
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| 47 | #include <sysinfo.h> |
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| 48 | #include <as.h> |
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| 49 | #include <ipc/ipc.h> |
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| 50 | #include <ipc/ns.h> |
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| 51 | #include <ipc/services.h> |
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| 52 | #include <ddi.h> |
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| 53 | #include <align.h> |
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| 54 | |||
| 55 | #define PL050_KEY_RELEASE 0xF0 |
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| 56 | #define PL050_ESC_KEY 0xE0 |
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| 4634 | pillai | 57 | #define PL050_CAPS_SCAN_CODE 0x58 |
| 4629 | pillai | 58 | |
| 59 | irq_cmd_t pl050_cmds[] = { |
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| 60 | { CMD_MEM_READ_1, (void *) 0, 0, 1 }, |
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| 61 | { CMD_MEM_READ_1, (void *) 0, 0, 2} |
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| 62 | }; |
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| 63 | |||
| 64 | irq_code_t pl050_kbd = { |
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| 65 | 2, |
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| 66 | pl050_cmds |
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| 67 | }; |
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| 68 | |||
| 69 | |||
| 70 | static void *kbd_physaddr; |
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| 71 | static void *kbd_addr; |
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| 72 | |||
| 73 | /** Register uspace irq handler |
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| 74 | * @return |
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| 75 | */ |
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| 76 | int kbd_arch_init(void) |
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| 77 | { |
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| 78 | kbd_physaddr = (void *)sysinfo_value("kbd.pbase"); |
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| 79 | |||
| 80 | kbd_addr = (void*)sysinfo_value("kbd.vbase"); |
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| 81 | |||
| 82 | pl050_cmds[0].addr = (void *)(kbd_addr+PL050_DATA); |
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| 83 | pl050_cmds[1].addr = (void *)(kbd_addr+PL050_STAT); |
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| 84 | |||
| 85 | /* Enable kbd */ |
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| 86 | ipc_register_irq(sysinfo_value("kbd.inr"), sysinfo_value("kbd.devno"), 0, &pl050_kbd); |
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| 87 | |||
| 88 | return 0; |
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| 89 | } |
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| 90 | |||
| 91 | /** Process keyboard & mouse events */ |
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| 92 | int kbd_arch_process(keybuffer_t *keybuffer, ipc_call_t *call) |
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| 93 | { |
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| 94 | static int key_released_flag = 0; |
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| 4634 | pillai | 95 | static int caps_locked = 0; |
| 4629 | pillai | 96 | int scan_code = IPC_GET_ARG1(*call); |
| 97 | |||
| 98 | if (scan_code == PL050_KEY_RELEASE) { |
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| 99 | key_released_flag = 1; |
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| 100 | } else { |
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| 4632 | pillai | 101 | if (key_released_flag) { |
| 4634 | pillai | 102 | key_released_flag = 0; |
| 103 | if (scan_code == PL050_CAPS_SCAN_CODE) { |
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| 104 | if (caps_locked) { |
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| 105 | caps_locked = 0; |
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| 106 | return 1; |
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| 107 | } else |
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| 108 | caps_locked = 1; |
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| 109 | } |
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| 4629 | pillai | 110 | key_released(keybuffer, scan_code); |
| 111 | } else { |
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| 4634 | pillai | 112 | if (scan_code == PL050_CAPS_SCAN_CODE && caps_locked) |
| 113 | return 1; |
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| 4629 | pillai | 114 | key_pressed(keybuffer, scan_code); |
| 115 | } |
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| 116 | } |
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| 117 | |||
| 118 | return 1; |
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| 119 | } |
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| 120 | |||
| 121 | /** |
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| 122 | * @} |
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| 123 | */ |