2 * Support for Compaq iPAQ H3100 handheld computer
4 * Copyright (c) 2000,1 Compaq Computer Corporation. (Author: Jamey Hicks)
5 * Copyright (c) 2009 Dmitry Artamonow <mad_soft@inbox.ru>
7 * 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.
13 #include <linux/init.h>
14 #include <linux/kernel.h>
15 #include <linux/gpio.h>
17 #include <asm/mach-types.h>
18 #include <asm/mach/arch.h>
19 #include <asm/mach/irda.h>
21 #include <mach/h3xxx.h>
28 static void h3100_lcd_power(int enable
)
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
);
35 pr_err("%s: can't request H3XXX_EGPIO_LCD_ON\n", __func__
);
40 static void __init
h3100_map_io(void)
44 sa1100fb_lcd_power
= h3100_lcd_power
;
46 /* Older bootldrs put GPIO2-9 in alternate mode on the
47 assumption that they are used for video */
52 * This turns the IRDA power on or off on the Compaq H3100
54 static int h3100_irda_set_power(struct device
*dev
, unsigned int state
)
56 gpio_set_value(H3100_GPIO_IR_ON
, state
);
60 static void h3100_irda_set_speed(struct device
*dev
, unsigned int speed
)
62 gpio_set_value(H3100_GPIO_IR_FSEL
, !(speed
< 4000000));
65 static struct irda_platform_data h3100_irda_data
= {
66 .set_power
= h3100_irda_set_power
,
67 .set_speed
= h3100_irda_set_speed
,
70 static 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" },
79 static void __init
h3100_mach_init(void)
81 h3xxx_init_gpio(h3100_default_gpio
, ARRAY_SIZE(h3100_default_gpio
));
83 sa11x0_register_irda(&h3100_irda_data
);
86 MACHINE_START(H3100
, "Compaq iPAQ H3100")
87 .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
,