| /* |
| * 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") |
| .atag_offset = 0x100, |
| .map_io = h3100_map_io, |
| .init_irq = sa1100_init_irq, |
| .timer = &sa1100_timer, |
| .init_machine = h3100_mach_init, |
| .restart = sa11x0_restart, |
| MACHINE_END |
| |