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Dmitry Artamonow86e5e382009-11-27 12:10:55 +01001/*
Dmitry Artamonow6e23fcb2009-11-27 12:11:48 +01002 * Support for Compaq iPAQ H3100 handheld computer
Dmitry Artamonow86e5e382009-11-27 12:10:55 +01003 *
Dmitry Artamonow6e23fcb2009-11-27 12:11:48 +01004 * Copyright (c) 2000,1 Compaq Computer Corporation. (Author: Jamey Hicks)
5 * Copyright (c) 2009 Dmitry Artamonow <mad_soft@inbox.ru>
Dmitry Artamonow86e5e382009-11-27 12:10:55 +01006 *
Dmitry Artamonow6e23fcb2009-11-27 12:11:48 +01007 * This program is free software; you can redistribute it and/or modify
8 * it under the terms of the GNU General Public License version 2 as
9 * published by the Free Software Foundation.
Dmitry Artamonow86e5e382009-11-27 12:10:55 +010010 *
11 */
Dmitry Artamonow6e23fcb2009-11-27 12:11:48 +010012
Dmitry Artamonow86e5e382009-11-27 12:10:55 +010013#include <linux/init.h>
14#include <linux/kernel.h>
Dmitry Artamonow86e5e382009-11-27 12:10:55 +010015#include <linux/gpio.h>
Dmitry Artamonow86e5e382009-11-27 12:10:55 +010016
Dmitry Artamonow86e5e382009-11-27 12:10:55 +010017#include <asm/mach-types.h>
Dmitry Artamonow86e5e382009-11-27 12:10:55 +010018#include <asm/mach/arch.h>
Dmitry Artamonow86e5e382009-11-27 12:10:55 +010019#include <asm/mach/irda.h>
Dmitry Artamonow86e5e382009-11-27 12:10:55 +010020
21#include <mach/h3xxx.h>
22
23#include "generic.h"
24
25/*
26 * helper for sa1100fb
27 */
28static void h3100_lcd_power(int enable)
29{
30 if (!gpio_request(H3XXX_EGPIO_LCD_ON, "LCD ON")) {
31 gpio_set_value(H3100_GPIO_LCD_3V_ON, enable);
32 gpio_direction_output(H3XXX_EGPIO_LCD_ON, enable);
33 gpio_free(H3XXX_EGPIO_LCD_ON);
Dmitry Artamonow729fae42009-11-27 12:22:32 +010034 } else {
35 pr_err("%s: can't request H3XXX_EGPIO_LCD_ON\n", __func__);
Dmitry Artamonow86e5e382009-11-27 12:10:55 +010036 }
37}
38
39
40static void __init h3100_map_io(void)
41{
42 h3xxx_map_io();
43
44 sa1100fb_lcd_power = h3100_lcd_power;
45
46 /* Older bootldrs put GPIO2-9 in alternate mode on the
47 assumption that they are used for video */
48 GAFR &= ~0x000001fb;
49}
50
51/*
52 * This turns the IRDA power on or off on the Compaq H3100
53 */
54static int h3100_irda_set_power(struct device *dev, unsigned int state)
55{
56 gpio_set_value(H3100_GPIO_IR_ON, state);
57 return 0;
58}
59
60static void h3100_irda_set_speed(struct device *dev, unsigned int speed)
61{
62 gpio_set_value(H3100_GPIO_IR_FSEL, !(speed < 4000000));
63}
64
65static struct irda_platform_data h3100_irda_data = {
66 .set_power = h3100_irda_set_power,
67 .set_speed = h3100_irda_set_speed,
68};
69
70static struct gpio_default_state h3100_default_gpio[] = {
71 { H3100_GPIO_IR_ON, GPIO_MODE_OUT0, "IrDA power" },
72 { H3100_GPIO_IR_FSEL, GPIO_MODE_OUT0, "IrDA fsel" },
73 { H3XXX_GPIO_COM_DCD, GPIO_MODE_IN, "COM DCD" },
74 { H3XXX_GPIO_COM_CTS, GPIO_MODE_IN, "COM CTS" },
75 { H3XXX_GPIO_COM_RTS, GPIO_MODE_OUT0, "COM RTS" },
76 { H3100_GPIO_LCD_3V_ON, GPIO_MODE_OUT0, "LCD 3v" },
77};
78
79static void __init h3100_mach_init(void)
80{
81 h3xxx_init_gpio(h3100_default_gpio, ARRAY_SIZE(h3100_default_gpio));
82 h3xxx_mach_init();
83 sa11x0_register_irda(&h3100_irda_data);
84}
85
86MACHINE_START(H3100, "Compaq iPAQ H3100")
Dmitry Artamonow86e5e382009-11-27 12:10:55 +010087 .boot_params = 0xc0000100,
88 .map_io = h3100_map_io,
89 .init_irq = sa1100_init_irq,
90 .timer = &sa1100_timer,
91 .init_machine = h3100_mach_init,
92MACHINE_END
93