Commit | Line | Data |
---|---|---|
1da177e4 | 1 | /* |
6e23fcb3 | 2 | * Support for Compaq iPAQ H3600 handheld computer |
1da177e4 | 3 | * |
6e23fcb3 DA |
4 | * Copyright (c) 2000,1 Compaq Computer Corporation. (Author: Jamey Hicks) |
5 | * Copyright (c) 2009 Dmitry Artamonow <mad_soft@inbox.ru> | |
1da177e4 | 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. | |
1da177e4 LT |
10 | * |
11 | */ | |
6e23fcb3 | 12 | |
1da177e4 LT |
13 | #include <linux/init.h> |
14 | #include <linux/kernel.h> | |
0831e3e4 | 15 | #include <linux/gpio.h> |
1da177e4 | 16 | |
1da177e4 | 17 | #include <asm/mach-types.h> |
1da177e4 | 18 | #include <asm/mach/arch.h> |
1da177e4 | 19 | #include <asm/mach/irda.h> |
1da177e4 | 20 | |
8715b29d | 21 | #include <mach/h3xxx.h> |
1da177e4 LT |
22 | |
23 | #include "generic.h" | |
24 | ||
cf5a87d8 DA |
25 | /* |
26 | * helper for sa1100fb | |
27 | */ | |
28 | static void h3600_lcd_power(int enable) | |
29 | { | |
729fae44 DA |
30 | if (gpio_request(H3XXX_EGPIO_LCD_ON, "LCD power")) { |
31 | pr_err("%s: can't request H3XXX_EGPIO_LCD_ON\n", __func__); | |
22f97405 | 32 | goto err1; |
729fae44 DA |
33 | } |
34 | if (gpio_request(H3600_EGPIO_LCD_PCI, "LCD control")) { | |
35 | pr_err("%s: can't request H3XXX_EGPIO_LCD_PCI\n", __func__); | |
22f97405 | 36 | goto err2; |
729fae44 DA |
37 | } |
38 | if (gpio_request(H3600_EGPIO_LCD_5V_ON, "LCD 5v")) { | |
39 | pr_err("%s: can't request H3XXX_EGPIO_LCD_5V_ON\n", __func__); | |
22f97405 | 40 | goto err3; |
729fae44 DA |
41 | } |
42 | if (gpio_request(H3600_EGPIO_LVDD_ON, "LCD 9v/-6.5v")) { | |
43 | pr_err("%s: can't request H3600_EGPIO_LVDD_ON\n", __func__); | |
22f97405 | 44 | goto err4; |
729fae44 | 45 | } |
22f97405 DA |
46 | |
47 | gpio_direction_output(H3XXX_EGPIO_LCD_ON, enable); | |
48 | gpio_direction_output(H3600_EGPIO_LCD_PCI, enable); | |
49 | gpio_direction_output(H3600_EGPIO_LCD_5V_ON, enable); | |
50 | gpio_direction_output(H3600_EGPIO_LVDD_ON, enable); | |
51 | ||
52 | gpio_free(H3600_EGPIO_LVDD_ON); | |
53 | err4: gpio_free(H3600_EGPIO_LCD_5V_ON); | |
54 | err3: gpio_free(H3600_EGPIO_LCD_PCI); | |
55 | err2: gpio_free(H3XXX_EGPIO_LCD_ON); | |
56 | err1: return; | |
cf5a87d8 DA |
57 | } |
58 | ||
1da177e4 LT |
59 | static void __init h3600_map_io(void) |
60 | { | |
61 | h3xxx_map_io(); | |
62 | ||
cf5a87d8 | 63 | sa1100fb_lcd_power = h3600_lcd_power; |
1da177e4 LT |
64 | } |
65 | ||
a5d176a1 RK |
66 | /* |
67 | * This turns the IRDA power on or off on the Compaq H3600 | |
68 | */ | |
69 | static int h3600_irda_set_power(struct device *dev, unsigned int state) | |
70 | { | |
22f97405 | 71 | gpio_set_value(H3600_EGPIO_IR_ON, state); |
a5d176a1 RK |
72 | return 0; |
73 | } | |
74 | ||
75 | static void h3600_irda_set_speed(struct device *dev, unsigned int speed) | |
76 | { | |
22f97405 DA |
77 | gpio_set_value(H3600_EGPIO_IR_FSEL, !(speed < 4000000)); |
78 | } | |
79 | ||
80 | static int h3600_irda_startup(struct device *dev) | |
81 | { | |
82 | int err = gpio_request(H3600_EGPIO_IR_ON, "IrDA power"); | |
83 | if (err) | |
84 | goto err1; | |
85 | err = gpio_direction_output(H3600_EGPIO_IR_ON, 0); | |
86 | if (err) | |
87 | goto err2; | |
88 | err = gpio_request(H3600_EGPIO_IR_FSEL, "IrDA fsel"); | |
89 | if (err) | |
90 | goto err2; | |
91 | err = gpio_direction_output(H3600_EGPIO_IR_FSEL, 0); | |
92 | if (err) | |
93 | goto err3; | |
94 | return 0; | |
95 | ||
96 | err3: gpio_free(H3600_EGPIO_IR_FSEL); | |
97 | err2: gpio_free(H3600_EGPIO_IR_ON); | |
98 | err1: return err; | |
99 | } | |
100 | ||
101 | static void h3600_irda_shutdown(struct device *dev) | |
102 | { | |
103 | gpio_free(H3600_EGPIO_IR_ON); | |
104 | gpio_free(H3600_EGPIO_IR_FSEL); | |
a5d176a1 RK |
105 | } |
106 | ||
107 | static struct irda_platform_data h3600_irda_data = { | |
108 | .set_power = h3600_irda_set_power, | |
109 | .set_speed = h3600_irda_set_speed, | |
22f97405 DA |
110 | .startup = h3600_irda_startup, |
111 | .shutdown = h3600_irda_shutdown, | |
a5d176a1 RK |
112 | }; |
113 | ||
6e21ee6a RK |
114 | static struct gpio_default_state h3600_default_gpio[] = { |
115 | { H3XXX_GPIO_COM_DCD, GPIO_MODE_IN, "COM DCD" }, | |
116 | { H3XXX_GPIO_COM_CTS, GPIO_MODE_IN, "COM CTS" }, | |
117 | { H3XXX_GPIO_COM_RTS, GPIO_MODE_OUT0, "COM RTS" }, | |
118 | }; | |
119 | ||
e55b20e8 | 120 | static void __init h3600_mach_init(void) |
898e810e | 121 | { |
6e21ee6a | 122 | h3xxx_init_gpio(h3600_default_gpio, ARRAY_SIZE(h3600_default_gpio)); |
898e810e | 123 | h3xxx_mach_init(); |
a5d176a1 | 124 | sa11x0_register_irda(&h3600_irda_data); |
898e810e RK |
125 | } |
126 | ||
1da177e4 | 127 | MACHINE_START(H3600, "Compaq iPAQ H3600") |
17f4425d | 128 | .atag_offset = 0x100, |
e9dea0c6 RK |
129 | .map_io = h3600_map_io, |
130 | .init_irq = sa1100_init_irq, | |
1da177e4 | 131 | .timer = &sa1100_timer, |
898e810e | 132 | .init_machine = h3600_mach_init, |
1da177e4 LT |
133 | MACHINE_END |
134 |