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; |
} |
|
/** |
* @} |
*/ |