Commit | Line | Data |
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86e5e38c | 1 | /* |
6e23fcb3 | 2 | * Support for Compaq iPAQ H3100 handheld computer |
86e5e38c | 3 | * |
6e23fcb3 DA |
4 | * Copyright (c) 2000,1 Compaq Computer Corporation. (Author: Jamey Hicks) |
5 | * Copyright (c) 2009 Dmitry Artamonow <mad_soft@inbox.ru> | |
86e5e38c | 6 | * |
6e23fcb3 DA |
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. | |
86e5e38c DA |
10 | * |
11 | */ | |
6e23fcb3 | 12 | |
86e5e38c DA |
13 | #include <linux/init.h> |
14 | #include <linux/kernel.h> | |
86e5e38c | 15 | #include <linux/gpio.h> |
86e5e38c | 16 | |
86e5e38c | 17 | #include <asm/mach-types.h> |
86e5e38c | 18 | #include <asm/mach/arch.h> |
86e5e38c | 19 | #include <asm/mach/irda.h> |
86e5e38c DA |
20 | |
21 | #include <mach/h3xxx.h> | |
22 | ||
23 | #include "generic.h" | |
24 | ||
25 | /* | |
26 | * helper for sa1100fb | |
27 | */ | |
28 | static 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); | |
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34 | } else { |
35 | pr_err("%s: can't request H3XXX_EGPIO_LCD_ON\n", __func__); | |
86e5e38c DA |
36 | } |
37 | } | |
38 | ||
39 | ||
40 | static 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 | */ | |
54 | static 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 | ||
60 | static void h3100_irda_set_speed(struct device *dev, unsigned int speed) | |
61 | { | |
62 | gpio_set_value(H3100_GPIO_IR_FSEL, !(speed < 4000000)); | |
63 | } | |
64 | ||
65 | static struct irda_platform_data h3100_irda_data = { | |
66 | .set_power = h3100_irda_set_power, | |
67 | .set_speed = h3100_irda_set_speed, | |
68 | }; | |
69 | ||
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" }, | |
77 | }; | |
78 | ||
79 | static 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 | ||
86 | MACHINE_START(H3100, "Compaq iPAQ H3100") | |
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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, | |
92 | MACHINE_END | |
93 |