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/*
dev_lcd_pxa.c - skyeye PXA25x serial lcd controllor simulation
Copyright (C) 2003 - 2005 Skyeye Develop Group
for help please send mail to <skyeye-developer@lists.gro.clinux.org>
This program is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 2 of the License, or
(at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program; if not, write to the Free Software
Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*/
/*
* 06/17/2005 initial verion for pxa
*/
#include "armdefs.h"
#include "skyeye_device.h"
#include "dev_lcd_pxa.h"
static struct device_default_value pxa_lcd_def[] = {
/* name base size interrupt array */
{"pxa_lubbock", 0x44000000, 0x220, {0, 0, 0, 0}},
{"pxa_mainstone", 0x44000000, 0x220, {0, 0, 0, 0}},
{NULL},
};
static void
pxa_changed (struct device_desc *dev)
{
struct lcd_device *lcd_dev = (struct lcd_device *) dev->dev;
struct lcd_pxa_io *io = (struct lcd_pxa_io *) dev->data;
struct machine_config *mc = (struct machine_config *) dev->mach;
lcd_dev->state = mc->state;
//width = (pxa_io.lccr1 & LCCR1_PPL) + 1;
//height = ((pxa_io.lccr2 & LCCR2_LPP) + 1)*2;
//depth = 1 << ((pxa_io.lccr3 & LCCR3_BPP)>>24);
//printf("io->fdadr0:%x, io->fdadr1:%x\n", io->fdadr0, io->fdadr1);
lcd_dev->lcd_addr_begin = ((io->fdadr0 + 0x1000) & 0xffff1000);
lcd_dev->depth = 1 << ((io->lccr3 & LCCR3_BPP) >> 24);
lcd_dev->width = (io->lccr1 & LCCR1_PPL) + 1;
lcd_dev->height = ((io->lccr2 & LCCR2_LPP) + 1) * 2;
lcd_dev->lcd_open (lcd_dev);
}
static void
lcd_pxa_fini (struct device_desc *dev)
{
struct lcd_pxa_io *io = (struct lcd_pxa_io *) dev->data;
if (!dev->dev)
free (dev->dev);
if (!io)
free (io);
}
static void
lcd_pxa_reset (struct device_desc *dev)
{
struct lcd_device *lcd_dev = (struct lcd_device *) dev->dev;
struct lcd_pxa_io *io = (struct lcd_pxa_io *) dev->data;
// lcd_dev->lcd_addr_begin = 0xc0e01000;
// lcd_dev->lcd_addr_end = 0xc0e01000;
}
static void
lcd_pxa_update (struct device_desc *dev)
{
struct device_interrupt *intr = &dev->intr;
struct lcd_device *lcd_dev = (struct lcd_device *) dev->dev;
struct lcd_pxa_io *io = (struct lcd_pxa_io *) dev->data;
struct machine_config *mc = (struct machine_config *) dev->mach;
lcd_dev->lcd_update (lcd_dev);
}
int
lcd_pxa_read_word (struct device_desc *dev, u32 addr, u32 * data)
{
struct lcd_device *lcd_dev = (struct lcd_device *) dev->dev;
struct lcd_pxa_io *io = (struct lcd_pxa_io *) dev->data;
int offset = (addr - dev->base);
int ret = ADDR_HIT;
//printf("%s:addr %x, %x\n", __FUNCTION__, addr, MACON);
*data = 0;
switch (offset) {
case LCCR0:
*data = io->lccr0;
break;
case LCCR1:
*data = io->lccr1;
break;
case LCCR2:
*data = io->lccr2;
break;
case LCCR3:
*data = io->lccr3;
break;
case FDADR0:
*data = io->fdadr0;
break;
case FDADR1:
*data = io->fdadr1;
break;
case FSADR0:
*data = io->fsadr0;
break;
case FSADR1:
*data = io->fsadr1;
break;
default:
break;
}
return ret;
}
int
lcd_pxa_write_word (struct device_desc *dev, u32 addr, u32 data)
{
struct lcd_device *lcd_dev = (struct lcd_device *) dev->dev;
struct lcd_pxa_io *io = (struct lcd_pxa_io *) dev->data;
int offset = (addr - dev->base);
int ret = ADDR_HIT;
static int once = 0;
//printf("%s:mach:%x\n", __FUNCTION__, dev->mach);
switch (offset) {
case LCCR0:
if ((!(io->lccr0 & LCCR0_ENB)) && (data & LCCR0_ENB)) {
if (!once) {
once++;
pxa_changed (dev);
}
}
io->lccr0 = data;
break;
case LCCR1:
io->lccr1 = data;
break;
case LCCR2:
io->lccr2 = data;
break;
case LCCR3:
io->lccr3 = data;
break;
case FDADR0:
io->fdadr0 = data;
break;
case FDADR1:
io->fdadr1 = data;
break;
case FSADR0:
io->fsadr0 = data;
break;
case FSADR1:
io->fsadr1 = data;
break;
default:
ret = ADDR_NOHIT;
break;
}
return ret;
}
static int
lcd_pxa_setup (struct device_desc *dev)
{
int i;
struct lcd_pxa_io *io;
struct device_interrupt *intr = &dev->intr;
dev->fini = lcd_pxa_fini;
dev->reset = lcd_pxa_reset;
dev->update = lcd_pxa_update;
dev->read_word = lcd_pxa_read_word;
dev->write_word = lcd_pxa_write_word;
io = (struct lcd_pxa_io *) malloc (sizeof (struct lcd_pxa_io));
memset (io, 0, sizeof (struct lcd_pxa_io));
if (io == NULL)
return 1;
dev->data = (void *) io;
lcd_pxa_reset (dev);
/* see if we need to set default values.
* */
set_device_default (dev, pxa_lcd_def);
return 0;
}
void
lcd_pxa_init (struct device_module_set *mod_set)
{
int i;
register_device_module ("pxa", mod_set, &lcd_pxa_setup);
}
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