forked from mirrors/linux
d66a2fb8d7
Simplify the code by getting rid of the conditional automatic registration of the sa11x0 PCMCIA interfaces in sa1100_init(), and require all platforms to explicitly call sa11x0_register_pcmcia(). Only one platform (iPAQ) is affected by this change. Signed-off-by: Russell King <rmk+kernel@armlinux.org.uk>
144 lines
3.3 KiB
C
144 lines
3.3 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 <video/sa1100fb.h>
|
|
|
|
#include <asm/mach-types.h>
|
|
#include <asm/mach/arch.h>
|
|
#include <linux/platform_data/irda-sa11x0.h>
|
|
|
|
#include <mach/h3xxx.h>
|
|
#include <mach/irqs.h>
|
|
|
|
#include "generic.h"
|
|
|
|
/*
|
|
* helper for sa1100fb
|
|
*/
|
|
static struct gpio h3100_lcd_gpio[] = {
|
|
{ H3100_GPIO_LCD_3V_ON, GPIOF_OUT_INIT_LOW, "LCD 3V" },
|
|
{ H3XXX_EGPIO_LCD_ON, GPIOF_OUT_INIT_LOW, "LCD ON" },
|
|
};
|
|
|
|
static bool h3100_lcd_request(void)
|
|
{
|
|
static bool h3100_lcd_ok;
|
|
int rc;
|
|
|
|
if (h3100_lcd_ok)
|
|
return true;
|
|
|
|
rc = gpio_request_array(h3100_lcd_gpio, ARRAY_SIZE(h3100_lcd_gpio));
|
|
if (rc)
|
|
pr_err("%s: can't request GPIOs\n", __func__);
|
|
else
|
|
h3100_lcd_ok = true;
|
|
|
|
return h3100_lcd_ok;
|
|
}
|
|
|
|
static void h3100_lcd_power(int enable)
|
|
{
|
|
if (!h3100_lcd_request())
|
|
return;
|
|
|
|
gpio_set_value(H3100_GPIO_LCD_3V_ON, enable);
|
|
gpio_set_value(H3XXX_EGPIO_LCD_ON, enable);
|
|
}
|
|
|
|
static struct sa1100fb_mach_info h3100_lcd_info = {
|
|
.pixclock = 406977, .bpp = 4,
|
|
.xres = 320, .yres = 240,
|
|
|
|
.hsync_len = 26, .vsync_len = 41,
|
|
.left_margin = 4, .upper_margin = 0,
|
|
.right_margin = 4, .lower_margin = 0,
|
|
|
|
.sync = FB_SYNC_HOR_HIGH_ACT | FB_SYNC_VERT_HIGH_ACT,
|
|
.cmap_greyscale = 1,
|
|
.cmap_inverse = 1,
|
|
|
|
.lccr0 = LCCR0_Mono | LCCR0_4PixMono | LCCR0_Sngl | LCCR0_Pas,
|
|
.lccr3 = LCCR3_OutEnH | LCCR3_PixRsEdg | LCCR3_ACBsDiv(2),
|
|
|
|
.lcd_power = h3100_lcd_power,
|
|
};
|
|
|
|
static void __init h3100_map_io(void)
|
|
{
|
|
h3xxx_map_io();
|
|
|
|
/* 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 struct gpio h3100_irda_gpio[] = {
|
|
{ H3100_GPIO_IR_ON, GPIOF_OUT_INIT_LOW, "IrDA power" },
|
|
{ H3100_GPIO_IR_FSEL, GPIOF_OUT_INIT_LOW, "IrDA fsel" },
|
|
};
|
|
|
|
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 int h3100_irda_startup(struct device *dev)
|
|
{
|
|
return gpio_request_array(h3100_irda_gpio, sizeof(h3100_irda_gpio));
|
|
}
|
|
|
|
static void h3100_irda_shutdown(struct device *dev)
|
|
{
|
|
return gpio_free_array(h3100_irda_gpio, sizeof(h3100_irda_gpio));
|
|
}
|
|
|
|
static struct irda_platform_data h3100_irda_data = {
|
|
.set_power = h3100_irda_set_power,
|
|
.set_speed = h3100_irda_set_speed,
|
|
.startup = h3100_irda_startup,
|
|
.shutdown = h3100_irda_shutdown,
|
|
};
|
|
|
|
static void __init h3100_mach_init(void)
|
|
{
|
|
h3xxx_mach_init();
|
|
|
|
sa11x0_register_pcmcia(-1, NULL);
|
|
sa11x0_register_lcd(&h3100_lcd_info);
|
|
sa11x0_register_irda(&h3100_irda_data);
|
|
}
|
|
|
|
MACHINE_START(H3100, "Compaq iPAQ H3100")
|
|
.atag_offset = 0x100,
|
|
.map_io = h3100_map_io,
|
|
.nr_irqs = SA1100_NR_IRQS,
|
|
.init_irq = sa1100_init_irq,
|
|
.init_time = sa1100_timer_init,
|
|
.init_machine = h3100_mach_init,
|
|
.init_late = sa11x0_init_late,
|
|
.restart = sa11x0_restart,
|
|
MACHINE_END
|
|
|