| 0,0 → 1,114 |
|---|
| /* |
| * Copyright (c) 2009 Vineeth Pillai |
| * All rights reserved. |
| * |
| * Redistribution and use in source and binary forms, with or without |
| * modification, are permitted provided that the following conditions |
| * are met: |
| * |
| * - Redistributions of source code must retain the above copyright |
| * notice, this list of conditions and the following disclaimer. |
| * - Redistributions in binary form must reproduce the above copyright |
| * notice, this list of conditions and the following disclaimer in the |
| * documentation and/or other materials provided with the distribution. |
| * - The name of the author may not be used to endorse or promote products |
| * derived from this software without specific prior written permission. |
| * |
| * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR |
| * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES |
| * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. |
| * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, |
| * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT |
| * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
| * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
| * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
| * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF |
| * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
| */ |
| |
| /** @addtogroup kbd_port |
| * @ingroup kbd |
| * @{ |
| */ |
| /** @file |
| * @brief pl050 port driver. |
| */ |
| |
| #include <ddi.h> |
| #include <libarch/ddi.h> |
| #include <ipc/ipc.h> |
| #include <async.h> |
| #include <unistd.h> |
| #include <sysinfo.h> |
| #include <kbd_port.h> |
| #include <kbd.h> |
| #include <ddi.h> |
| #include <stdio.h> |
| |
| #define PL050_STAT_RXFULL (1 << 4) |
| static irq_cmd_t pl050_cmds[] = { |
| { |
| .cmd = CMD_PIO_READ_8, |
| .addr = NULL, |
| .dstarg = 1 |
| }, |
| { |
| .cmd = CMD_BTEST, |
| .value = PL050_STAT_RXFULL, |
| .srcarg = 1, |
| .dstarg = 3 |
| }, |
| { |
| .cmd = CMD_PREDICATE, |
| .value = 2, |
| .srcarg = 3 |
| }, |
| { |
| .cmd = CMD_PIO_READ_8, |
| .addr = NULL, /* will be patched in run-time */ |
| .dstarg = 2 |
| }, |
| { |
| .cmd = CMD_ACCEPT |
| } |
| }; |
| |
| static irq_code_t pl050_kbd = { |
| sizeof(pl050_cmds) / sizeof(irq_cmd_t), |
| pl050_cmds |
| }; |
| |
| static void pl050_irq_handler(ipc_callid_t iid, ipc_call_t *call); |
| |
| int kbd_port_init(void) |
| { |
| |
| pl050_kbd.cmds[0].addr = (void *) sysinfo_value("kbd.address.status"); |
| pl050_kbd.cmds[3].addr = (void *) sysinfo_value("kbd.address.data"); |
| |
| async_set_interrupt_received(pl050_irq_handler); |
| |
| ipc_register_irq(sysinfo_value("kbd.inr"), device_assign_devno(), 0, &pl050_kbd); |
| |
| return 0; |
| } |
| |
| void kbd_port_yield(void) |
| { |
| } |
| |
| void kbd_port_reclaim(void) |
| { |
| } |
| |
| static void pl050_irq_handler(ipc_callid_t iid, ipc_call_t *call) |
| { |
| int scan_code = IPC_GET_ARG2(*call); |
| |
| kbd_push_scancode(scan_code); |
| return; |
| } |
| |
| /** |
| * @} |
| */ |