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| 3924 | svoboda | 1 | /* |
| 2 | * Copyright (c) 2006 Martin Decky |
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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 | |||
| 29 | /** @addtogroup kbd_port |
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| 30 | * @ingroup kbd |
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| 31 | * @{ |
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| 32 | */ |
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| 33 | /** @file |
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| 3925 | svoboda | 34 | * @brief Z8530 keyboard port driver. |
| 3924 | svoboda | 35 | */ |
| 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.h> |
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| 41 | #include <kbd_port.h> |
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| 42 | #include <sys/types.h> |
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| 43 | |||
| 44 | /** Top-half pseudocode for z8530. */ |
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| 45 | irq_cmd_t z8530_cmds[] = { |
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| 46 | { |
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| 47 | CMD_MEM_READ_1, |
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| 48 | 0, /**< Address. Will be patched in run-time. */ |
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| 49 | 0, /**< Value. Not used. */ |
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| 50 | 1 /**< Arg 1 will contain the result. */ |
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| 51 | } |
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| 52 | }; |
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| 53 | |||
| 54 | |||
| 55 | irq_code_t z8530_kbd = { |
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| 56 | 1, |
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| 57 | z8530_cmds |
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| 58 | }; |
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| 59 | |||
| 60 | static void z8530_irq_handler(ipc_callid_t iid, ipc_call_t *call); |
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| 61 | |||
| 62 | int kbd_port_init(void) |
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| 63 | { |
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| 3925 | svoboda | 64 | async_set_interrupt_received(z8530_irq_handler); |
| 3924 | svoboda | 65 | z8530_cmds[0].addr = (void *) sysinfo_value("kbd.address.virtual") + 6; |
| 66 | ipc_register_irq(sysinfo_value("kbd.inr"), sysinfo_value("kbd.devno"), |
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| 67 | 0, &z8530_kbd); |
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| 68 | return 0; |
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| 69 | } |
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| 70 | |||
| 71 | static void z8530_irq_handler(ipc_callid_t iid, ipc_call_t *call) |
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| 72 | { |
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| 73 | int scan_code = IPC_GET_ARG1(*call); |
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| 74 | kbd_push_scancode(scan_code); |
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| 75 | } |
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| 76 | |||
| 77 | /** @} |
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| 78 | */ |