148 lines
3.4 KiB
C
148 lines
3.4 KiB
C
// SPDX-License-Identifier: GPL-2.0-only
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/*
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* Support for Compaq iPAQ H3600 handheld computer
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*
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* Copyright (c) 2000,1 Compaq Computer Corporation. (Author: Jamey Hicks)
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* Copyright (c) 2009 Dmitry Artamonow <mad_soft@inbox.ru>
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*/
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#include <linux/init.h>
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#include <linux/kernel.h>
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#include <linux/gpio.h>
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#include <video/sa1100fb.h>
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#include <asm/mach-types.h>
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#include <asm/mach/arch.h>
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#include <linux/platform_data/irda-sa11x0.h>
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#include <mach/h3xxx.h>
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#include <mach/irqs.h>
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#include "generic.h"
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/*
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* helper for sa1100fb
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*/
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static struct gpio h3600_lcd_gpio[] = {
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{ H3XXX_EGPIO_LCD_ON, GPIOF_OUT_INIT_LOW, "LCD power" },
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{ H3600_EGPIO_LCD_PCI, GPIOF_OUT_INIT_LOW, "LCD control" },
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{ H3600_EGPIO_LCD_5V_ON, GPIOF_OUT_INIT_LOW, "LCD 5v" },
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{ H3600_EGPIO_LVDD_ON, GPIOF_OUT_INIT_LOW, "LCD 9v/-6.5v" },
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};
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static bool h3600_lcd_request(void)
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{
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static bool h3600_lcd_ok;
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int rc;
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if (h3600_lcd_ok)
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return true;
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rc = gpio_request_array(h3600_lcd_gpio, ARRAY_SIZE(h3600_lcd_gpio));
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if (rc)
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pr_err("%s: can't request GPIOs\n", __func__);
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else
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h3600_lcd_ok = true;
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return h3600_lcd_ok;
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}
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static void h3600_lcd_power(int enable)
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{
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if (!h3600_lcd_request())
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return;
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gpio_direction_output(H3XXX_EGPIO_LCD_ON, enable);
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gpio_direction_output(H3600_EGPIO_LCD_PCI, enable);
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gpio_direction_output(H3600_EGPIO_LCD_5V_ON, enable);
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gpio_direction_output(H3600_EGPIO_LVDD_ON, enable);
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}
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static const struct sa1100fb_rgb h3600_rgb_16 = {
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.red = { .offset = 12, .length = 4, },
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.green = { .offset = 7, .length = 4, },
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.blue = { .offset = 1, .length = 4, },
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.transp = { .offset = 0, .length = 0, },
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};
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static struct sa1100fb_mach_info h3600_lcd_info = {
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.pixclock = 174757, .bpp = 16,
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.xres = 320, .yres = 240,
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.hsync_len = 3, .vsync_len = 3,
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.left_margin = 12, .upper_margin = 10,
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.right_margin = 17, .lower_margin = 1,
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.cmap_static = 1,
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.lccr0 = LCCR0_Color | LCCR0_Sngl | LCCR0_Act,
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.lccr3 = LCCR3_OutEnH | LCCR3_PixRsEdg | LCCR3_ACBsDiv(2),
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.rgb[RGB_16] = &h3600_rgb_16,
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.lcd_power = h3600_lcd_power,
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};
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static void __init h3600_map_io(void)
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{
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h3xxx_map_io();
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}
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/*
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* This turns the IRDA power on or off on the Compaq H3600
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*/
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static struct gpio h3600_irda_gpio[] = {
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{ H3600_EGPIO_IR_ON, GPIOF_OUT_INIT_LOW, "IrDA power" },
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{ H3600_EGPIO_IR_FSEL, GPIOF_OUT_INIT_LOW, "IrDA fsel" },
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};
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static int h3600_irda_set_power(struct device *dev, unsigned int state)
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{
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gpio_set_value(H3600_EGPIO_IR_ON, state);
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return 0;
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}
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static void h3600_irda_set_speed(struct device *dev, unsigned int speed)
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{
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gpio_set_value(H3600_EGPIO_IR_FSEL, !(speed < 4000000));
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}
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static int h3600_irda_startup(struct device *dev)
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{
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return gpio_request_array(h3600_irda_gpio, sizeof(h3600_irda_gpio));
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}
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static void h3600_irda_shutdown(struct device *dev)
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{
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return gpio_free_array(h3600_irda_gpio, sizeof(h3600_irda_gpio));
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}
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static struct irda_platform_data h3600_irda_data = {
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.set_power = h3600_irda_set_power,
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.set_speed = h3600_irda_set_speed,
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.startup = h3600_irda_startup,
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.shutdown = h3600_irda_shutdown,
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};
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static void __init h3600_mach_init(void)
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{
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h3xxx_mach_init();
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sa11x0_register_lcd(&h3600_lcd_info);
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sa11x0_register_irda(&h3600_irda_data);
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}
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MACHINE_START(H3600, "Compaq iPAQ H3600")
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.atag_offset = 0x100,
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.map_io = h3600_map_io,
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.nr_irqs = SA1100_NR_IRQS,
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.init_irq = sa1100_init_irq,
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.init_time = sa1100_timer_init,
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.init_machine = h3600_mach_init,
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.init_late = sa11x0_init_late,
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.restart = sa11x0_restart,
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MACHINE_END
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