mirror of
https://github.com/edk2-porting/linux-next.git
synced 2024-12-24 13:13:57 +08:00
729fae44dd
Signed-off-by: Dmitry Artamonow <mad_soft@inbox.ru> Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
96 lines
2.4 KiB
C
96 lines
2.4 KiB
C
/*
|
|
* Support for Compaq iPAQ H3100 handheld computer
|
|
*
|
|
* Copyright (c) 2000,1 Compaq Computer Corporation. (Author: Jamey Hicks)
|
|
* Copyright (c) 2009 Dmitry Artamonow <mad_soft@inbox.ru>
|
|
*
|
|
* This program is free software; you can redistribute it and/or modify
|
|
* it under the terms of the GNU General Public License version 2 as
|
|
* published by the Free Software Foundation.
|
|
*
|
|
*/
|
|
|
|
#include <linux/init.h>
|
|
#include <linux/kernel.h>
|
|
#include <linux/gpio.h>
|
|
|
|
#include <asm/mach-types.h>
|
|
#include <asm/mach/arch.h>
|
|
#include <asm/mach/irda.h>
|
|
|
|
#include <mach/h3xxx.h>
|
|
|
|
#include "generic.h"
|
|
|
|
/*
|
|
* helper for sa1100fb
|
|
*/
|
|
static void h3100_lcd_power(int enable)
|
|
{
|
|
if (!gpio_request(H3XXX_EGPIO_LCD_ON, "LCD ON")) {
|
|
gpio_set_value(H3100_GPIO_LCD_3V_ON, enable);
|
|
gpio_direction_output(H3XXX_EGPIO_LCD_ON, enable);
|
|
gpio_free(H3XXX_EGPIO_LCD_ON);
|
|
} else {
|
|
pr_err("%s: can't request H3XXX_EGPIO_LCD_ON\n", __func__);
|
|
}
|
|
}
|
|
|
|
|
|
static void __init h3100_map_io(void)
|
|
{
|
|
h3xxx_map_io();
|
|
|
|
sa1100fb_lcd_power = h3100_lcd_power;
|
|
|
|
/* Older bootldrs put GPIO2-9 in alternate mode on the
|
|
assumption that they are used for video */
|
|
GAFR &= ~0x000001fb;
|
|
}
|
|
|
|
/*
|
|
* This turns the IRDA power on or off on the Compaq H3100
|
|
*/
|
|
static int h3100_irda_set_power(struct device *dev, unsigned int state)
|
|
{
|
|
gpio_set_value(H3100_GPIO_IR_ON, state);
|
|
return 0;
|
|
}
|
|
|
|
static void h3100_irda_set_speed(struct device *dev, unsigned int speed)
|
|
{
|
|
gpio_set_value(H3100_GPIO_IR_FSEL, !(speed < 4000000));
|
|
}
|
|
|
|
static struct irda_platform_data h3100_irda_data = {
|
|
.set_power = h3100_irda_set_power,
|
|
.set_speed = h3100_irda_set_speed,
|
|
};
|
|
|
|
static struct gpio_default_state h3100_default_gpio[] = {
|
|
{ H3100_GPIO_IR_ON, GPIO_MODE_OUT0, "IrDA power" },
|
|
{ H3100_GPIO_IR_FSEL, GPIO_MODE_OUT0, "IrDA fsel" },
|
|
{ H3XXX_GPIO_COM_DCD, GPIO_MODE_IN, "COM DCD" },
|
|
{ H3XXX_GPIO_COM_CTS, GPIO_MODE_IN, "COM CTS" },
|
|
{ H3XXX_GPIO_COM_RTS, GPIO_MODE_OUT0, "COM RTS" },
|
|
{ H3100_GPIO_LCD_3V_ON, GPIO_MODE_OUT0, "LCD 3v" },
|
|
};
|
|
|
|
static void __init h3100_mach_init(void)
|
|
{
|
|
h3xxx_init_gpio(h3100_default_gpio, ARRAY_SIZE(h3100_default_gpio));
|
|
h3xxx_mach_init();
|
|
sa11x0_register_irda(&h3100_irda_data);
|
|
}
|
|
|
|
MACHINE_START(H3100, "Compaq iPAQ H3100")
|
|
.phys_io = 0x80000000,
|
|
.io_pg_offst = ((0xf8000000) >> 18) & 0xfffc,
|
|
.boot_params = 0xc0000100,
|
|
.map_io = h3100_map_io,
|
|
.init_irq = sa1100_init_irq,
|
|
.timer = &sa1100_timer,
|
|
.init_machine = h3100_mach_init,
|
|
MACHINE_END
|
|
|