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// SPDX-License-Identifier: GPL-2.0-only
/*
* 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>
*/
#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 <mach/h3xxx.h>
#include <mach/irqs.h>
#include "generic.h"
static bool h3600_lcd_request(void)
{
static bool h3600_lcd_ok;
int rc;
if (h3600_lcd_ok)
return true;
rc = gpio_request(H3XXX_EGPIO_LCD_ON, "LCD power");
if (rc)
goto out;
rc = gpio_direction_output(H3XXX_EGPIO_LCD_ON, 0);
if (rc)
goto out_free_on;
rc = gpio_request(H3600_EGPIO_LCD_PCI, "LCD control");
if (rc)
goto out_free_on;
rc = gpio_direction_output(H3600_EGPIO_LCD_PCI, 0);
if (rc)
goto out_free_pci;
rc = gpio_request(H3600_EGPIO_LCD_5V_ON, "LCD 5v");
if (rc)
goto out_free_pci;
rc = gpio_direction_output(H3600_EGPIO_LCD_5V_ON, 0);
if (rc)
goto out_free_5v_on;
rc = gpio_request(H3600_EGPIO_LVDD_ON, "LCD 9v/-6.5v");
if (rc)
goto out_free_5v_on;
rc = gpio_direction_output(H3600_EGPIO_LVDD_ON, 0);
if (rc)
goto out_free_lvdd_on;
goto out;
out_free_lvdd_on:
gpio_free(H3600_EGPIO_LVDD_ON);
out_free_5v_on:
gpio_free(H3600_EGPIO_LCD_5V_ON);
out_free_pci:
gpio_free(H3600_EGPIO_LCD_PCI);
out_free_on:
gpio_free(H3XXX_EGPIO_LCD_ON);
out:
if (rc)
pr_err("%s: can't request GPIOs\n", __func__);
else
h3600_lcd_ok = true;
return h3600_lcd_ok;
}
static void h3600_lcd_power(int enable)
{
if (!h3600_lcd_request())
return;
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);
}
static const struct sa1100fb_rgb h3600_rgb_16 = {
.red = { .offset = 12, .length = 4, },
.green = { .offset = 7, .length = 4, },
.blue = { .offset = 1, .length = 4, },
.transp = { .offset = 0, .length = 0, },
};
static struct sa1100fb_mach_info h3600_lcd_info = {
.pixclock = 174757, .bpp = 16,
.xres = 320, .yres = 240,
.hsync_len = 3, .vsync_len = 3,
.left_margin = 12, .upper_margin = 10,
.right_margin = 17, .lower_margin = 1,
.cmap_static = 1,
.lccr0 = LCCR0_Color | LCCR0_Sngl | LCCR0_Act,
.lccr3 = LCCR3_OutEnH | LCCR3_PixRsEdg | LCCR3_ACBsDiv(2),
.rgb[RGB_16] = &h3600_rgb_16,
.lcd_power = h3600_lcd_power,
};
static void __init h3600_map_io(void)
{
h3xxx_map_io();
}
static void __init h3600_mach_init(void)
{
h3xxx_mach_init();
sa11x0_register_lcd(&h3600_lcd_info);
}
MACHINE_START(H3600, "Compaq iPAQ H3600")
.atag_offset = 0x100,
.map_io = h3600_map_io,
.nr_irqs = SA1100_NR_IRQS,
.init_irq = sa1100_init_irq,
.init_time = sa1100_timer_init,
.init_machine = h3600_mach_init,
.init_late = sa11x0_init_late,
.restart = sa11x0_restart,
MACHINE_END
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