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| Rev | Author | Line No. | Line |
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| 3923 | svoboda | 1 | /* |
| 2 | * Copyright (c) 2007 Michal Kebrt |
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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 | |||
| 3924 | svoboda | 29 | /** @addtogroup kbd_port |
| 3923 | svoboda | 30 | * @{ |
| 3924 | svoboda | 31 | * @ingroup kbd |
| 3923 | svoboda | 32 | */ |
| 33 | /** @file |
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| 34 | * @brief GXEmul keyboard port driver. |
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| 35 | */ |
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| 36 | |||
| 37 | #include <ipc/ipc.h> |
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| 38 | #include <async.h> |
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| 39 | #include <sysinfo.h> |
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| 40 | #include <kbd_port.h> |
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| 41 | #include <kbd.h> |
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| 42 | |||
| 43 | static irq_cmd_t gxemul_cmds[] = { |
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| 44 | { |
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| 4344 | svoboda | 45 | .cmd = CMD_PIO_READ_8, |
| 46 | .addr = (void *) 0, /* will be patched in run-time */ |
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| 47 | .dstarg = 2, |
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| 48 | }, |
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| 49 | { |
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| 50 | .cmd = CMD_ACCEPT |
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| 3923 | svoboda | 51 | } |
| 52 | }; |
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| 53 | |||
| 54 | static irq_code_t gxemul_kbd = { |
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| 4344 | svoboda | 55 | sizeof(gxemul_cmds) / sizeof(irq_cmd_t), |
| 3923 | svoboda | 56 | gxemul_cmds |
| 57 | }; |
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| 58 | |||
| 59 | static void gxemul_irq_handler(ipc_callid_t iid, ipc_call_t *call); |
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| 60 | |||
| 61 | /** Initializes keyboard handler. */ |
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| 62 | int kbd_port_init(void) |
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| 63 | { |
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| 64 | async_set_interrupt_received(gxemul_irq_handler); |
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| 65 | gxemul_cmds[0].addr = (void *) sysinfo_value("kbd.address.virtual"); |
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| 66 | ipc_register_irq(sysinfo_value("kbd.inr"), sysinfo_value("kbd.devno"), |
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| 67 | 0, &gxemul_kbd); |
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| 68 | return 0; |
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| 69 | } |
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| 70 | |||
| 71 | /** Process data sent when a key is pressed. |
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| 72 | * |
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| 73 | * @param keybuffer Buffer of pressed keys. |
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| 74 | * @param call IPC call. |
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| 75 | * |
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| 76 | * @return Always 1. |
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| 77 | */ |
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| 78 | static void gxemul_irq_handler(ipc_callid_t iid, ipc_call_t *call) |
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| 79 | { |
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| 80 | int scan_code = IPC_GET_ARG2(*call); |
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| 81 | |||
| 82 | kbd_push_scancode(scan_code); |
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| 83 | } |
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| 84 | |||
| 85 | /** @} |
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| 86 | */ |