/trunk/kernel/genarch/src/drivers/dsrln/dsrlnin.c |
---|
0,0 → 1,83 |
/* |
* Copyright (c) 2009 Martin Decky |
* 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 genarch |
* @{ |
*/ |
/** |
* @file |
* @brief Dummy serial line input. |
*/ |
#include <genarch/drivers/dsrln/dsrlnin.h> |
#include <console/chardev.h> |
#include <mm/slab.h> |
#include <arch/asm.h> |
indev_operations_t kbrdin_ops = { |
.poll = NULL |
}; |
static irq_ownership_t dsrlnin_claim(irq_t *irq) |
{ |
return IRQ_ACCEPT; |
} |
static void dsrlnin_irq_handler(irq_t *irq) |
{ |
dsrlnin_instance_t *instance = irq->instance; |
dsrlnin_t *dev = instance->dsrlnin; |
indev_push_character(&instance->kbrdin, pio_read_8(&dev->data)); |
} |
indev_t *dsrlnin_init(dsrlnin_t *dev, devno_t devno, inr_t inr) |
{ |
dsrlnin_instance_t *instance |
= malloc(sizeof(dsrlnin_instance_t), FRAME_ATOMIC); |
if (!instance) |
return NULL; |
indev_initialize("dsrlnin", &instance->kbrdin, &kbrdin_ops); |
instance->devno = devno; |
instance->dsrlnin = dev; |
irq_initialize(&instance->irq); |
instance->irq.devno = devno; |
instance->irq.inr = inr; |
instance->irq.claim = dsrlnin_claim; |
instance->irq.handler = dsrlnin_irq_handler; |
instance->irq.instance = instance; |
irq_register(&instance->irq); |
return &instance->kbrdin; |
} |
/** @} |
*/ |
/trunk/kernel/genarch/src/drivers/dsrln/dsrlnout.c |
---|
0,0 → 1,71 |
/* |
* Copyright (c) 2009 Martin Decky |
* 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 genarch |
* @{ |
*/ |
/** |
* @file |
* @brief Dummy serial line output. |
*/ |
#include <genarch/drivers/dsrln/dsrlnout.h> |
#include <console/chardev.h> |
#include <arch/asm.h> |
#include <console/console.h> |
#include <sysinfo/sysinfo.h> |
static ioport8_t *dsrlnout_base; |
static void dsrlnout_putchar(outdev_t *dev __attribute__((unused)), const char ch, bool silent) |
{ |
if (!silent) |
pio_write_8(dsrlnout_base, ch); |
} |
static outdev_t dsrlnout_console; |
static outdev_operations_t dsrlnout_ops = { |
.write = dsrlnout_putchar |
}; |
void dsrlnout_init(ioport8_t *base) |
{ |
/* Initialize the software structure. */ |
dsrlnout_base = base; |
outdev_initialize("dsrlnout", &dsrlnout_console, &dsrlnout_ops); |
stdout = &dsrlnout_console; |
sysinfo_set_item_val("fb", NULL, true); |
sysinfo_set_item_val("fb.kind", NULL, 3); |
sysinfo_set_item_val("fb.address.physical", NULL, KA2PA(base)); |
} |
/** @} |
*/ |