mirror of https://gitee.com/openkylin/linux.git
129 lines
3.1 KiB
C
129 lines
3.1 KiB
C
/*
|
|
* Support for Compaq iPAQ H3600 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 h3600_lcd_power(int enable)
|
|
{
|
|
if (gpio_request(H3XXX_EGPIO_LCD_ON, "LCD power"))
|
|
goto err1;
|
|
if (gpio_request(H3600_EGPIO_LCD_PCI, "LCD control"))
|
|
goto err2;
|
|
if (gpio_request(H3600_EGPIO_LCD_5V_ON, "LCD 5v"))
|
|
goto err3;
|
|
if (gpio_request(H3600_EGPIO_LVDD_ON, "LCD 9v/-6.5v"))
|
|
goto err4;
|
|
|
|
gpio_direction_output(H3XXX_EGPIO_LCD_ON, enable);
|
|
gpio_direction_output(H3600_EGPIO_LCD_PCI, enable);
|
|
gpio_direction_output(H3600_EGPIO_LCD_5V_ON, enable);
|
|
gpio_direction_output(H3600_EGPIO_LVDD_ON, enable);
|
|
|
|
gpio_free(H3600_EGPIO_LVDD_ON);
|
|
err4: gpio_free(H3600_EGPIO_LCD_5V_ON);
|
|
err3: gpio_free(H3600_EGPIO_LCD_PCI);
|
|
err2: gpio_free(H3XXX_EGPIO_LCD_ON);
|
|
err1: return;
|
|
}
|
|
|
|
static void __init h3600_map_io(void)
|
|
{
|
|
h3xxx_map_io();
|
|
|
|
sa1100fb_lcd_power = h3600_lcd_power;
|
|
}
|
|
|
|
/*
|
|
* This turns the IRDA power on or off on the Compaq H3600
|
|
*/
|
|
static int h3600_irda_set_power(struct device *dev, unsigned int state)
|
|
{
|
|
gpio_set_value(H3600_EGPIO_IR_ON, state);
|
|
return 0;
|
|
}
|
|
|
|
static void h3600_irda_set_speed(struct device *dev, unsigned int speed)
|
|
{
|
|
gpio_set_value(H3600_EGPIO_IR_FSEL, !(speed < 4000000));
|
|
}
|
|
|
|
static int h3600_irda_startup(struct device *dev)
|
|
{
|
|
int err = gpio_request(H3600_EGPIO_IR_ON, "IrDA power");
|
|
if (err)
|
|
goto err1;
|
|
err = gpio_direction_output(H3600_EGPIO_IR_ON, 0);
|
|
if (err)
|
|
goto err2;
|
|
err = gpio_request(H3600_EGPIO_IR_FSEL, "IrDA fsel");
|
|
if (err)
|
|
goto err2;
|
|
err = gpio_direction_output(H3600_EGPIO_IR_FSEL, 0);
|
|
if (err)
|
|
goto err3;
|
|
return 0;
|
|
|
|
err3: gpio_free(H3600_EGPIO_IR_FSEL);
|
|
err2: gpio_free(H3600_EGPIO_IR_ON);
|
|
err1: return err;
|
|
}
|
|
|
|
static void h3600_irda_shutdown(struct device *dev)
|
|
{
|
|
gpio_free(H3600_EGPIO_IR_ON);
|
|
gpio_free(H3600_EGPIO_IR_FSEL);
|
|
}
|
|
|
|
static struct irda_platform_data h3600_irda_data = {
|
|
.set_power = h3600_irda_set_power,
|
|
.set_speed = h3600_irda_set_speed,
|
|
.startup = h3600_irda_startup,
|
|
.shutdown = h3600_irda_shutdown,
|
|
};
|
|
|
|
static struct gpio_default_state h3600_default_gpio[] = {
|
|
{ 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" },
|
|
};
|
|
|
|
static void __init h3600_mach_init(void)
|
|
{
|
|
h3xxx_init_gpio(h3600_default_gpio, ARRAY_SIZE(h3600_default_gpio));
|
|
h3xxx_mach_init();
|
|
sa11x0_register_irda(&h3600_irda_data);
|
|
}
|
|
|
|
MACHINE_START(H3600, "Compaq iPAQ H3600")
|
|
.phys_io = 0x80000000,
|
|
.io_pg_offst = ((0xf8000000) >> 18) & 0xfffc,
|
|
.boot_params = 0xc0000100,
|
|
.map_io = h3600_map_io,
|
|
.init_irq = sa1100_init_irq,
|
|
.timer = &sa1100_timer,
|
|
.init_machine = h3600_mach_init,
|
|
MACHINE_END
|
|
|