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Linus Torvalds1da177e2005-04-16 15:20:36 -07001/*
Dmitry Artamonow6e23fcb2009-11-27 12:11:48 +01002 * Support for Compaq iPAQ H3600 handheld computer
Linus Torvalds1da177e2005-04-16 15:20:36 -07003 *
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>
Linus Torvalds1da177e2005-04-16 15:20:36 -07006 *
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.
Linus Torvalds1da177e2005-04-16 15:20:36 -070010 *
11 */
Dmitry Artamonow6e23fcb2009-11-27 12:11:48 +010012
Linus Torvalds1da177e2005-04-16 15:20:36 -070013#include <linux/init.h>
14#include <linux/kernel.h>
Russell King0831e3e2009-10-06 14:35:16 +010015#include <linux/gpio.h>
Linus Torvalds1da177e2005-04-16 15:20:36 -070016
Russell Kinge1b7a722012-01-14 11:50:04 +000017#include <video/sa1100fb.h>
18
Linus Torvalds1da177e2005-04-16 15:20:36 -070019#include <asm/mach-types.h>
Linus Torvalds1da177e2005-04-16 15:20:36 -070020#include <asm/mach/arch.h>
Linus Torvalds1da177e2005-04-16 15:20:36 -070021#include <asm/mach/irda.h>
Linus Torvalds1da177e2005-04-16 15:20:36 -070022
Dmitry Artamonow8715b292009-11-27 12:09:25 +010023#include <mach/h3xxx.h>
Rob Herringf314f332012-02-24 00:06:51 +010024#include <mach/irqs.h>
Linus Torvalds1da177e2005-04-16 15:20:36 -070025
26#include "generic.h"
27
Dmitry Artamonowcf5a87d2009-11-27 11:58:35 +010028/*
29 * helper for sa1100fb
30 */
31static void h3600_lcd_power(int enable)
32{
Dmitry Artamonow729fae42009-11-27 12:22:32 +010033 if (gpio_request(H3XXX_EGPIO_LCD_ON, "LCD power")) {
34 pr_err("%s: can't request H3XXX_EGPIO_LCD_ON\n", __func__);
Dmitry Artamonow22f97402009-11-27 12:02:28 +010035 goto err1;
Dmitry Artamonow729fae42009-11-27 12:22:32 +010036 }
37 if (gpio_request(H3600_EGPIO_LCD_PCI, "LCD control")) {
38 pr_err("%s: can't request H3XXX_EGPIO_LCD_PCI\n", __func__);
Dmitry Artamonow22f97402009-11-27 12:02:28 +010039 goto err2;
Dmitry Artamonow729fae42009-11-27 12:22:32 +010040 }
41 if (gpio_request(H3600_EGPIO_LCD_5V_ON, "LCD 5v")) {
42 pr_err("%s: can't request H3XXX_EGPIO_LCD_5V_ON\n", __func__);
Dmitry Artamonow22f97402009-11-27 12:02:28 +010043 goto err3;
Dmitry Artamonow729fae42009-11-27 12:22:32 +010044 }
45 if (gpio_request(H3600_EGPIO_LVDD_ON, "LCD 9v/-6.5v")) {
46 pr_err("%s: can't request H3600_EGPIO_LVDD_ON\n", __func__);
Dmitry Artamonow22f97402009-11-27 12:02:28 +010047 goto err4;
Dmitry Artamonow729fae42009-11-27 12:22:32 +010048 }
Dmitry Artamonow22f97402009-11-27 12:02:28 +010049
50 gpio_direction_output(H3XXX_EGPIO_LCD_ON, enable);
51 gpio_direction_output(H3600_EGPIO_LCD_PCI, enable);
52 gpio_direction_output(H3600_EGPIO_LCD_5V_ON, enable);
53 gpio_direction_output(H3600_EGPIO_LVDD_ON, enable);
54
55 gpio_free(H3600_EGPIO_LVDD_ON);
56err4: gpio_free(H3600_EGPIO_LCD_5V_ON);
57err3: gpio_free(H3600_EGPIO_LCD_PCI);
58err2: gpio_free(H3XXX_EGPIO_LCD_ON);
59err1: return;
Dmitry Artamonowcf5a87d2009-11-27 11:58:35 +010060}
61
Russell Kinge1b7a722012-01-14 11:50:04 +000062static const struct sa1100fb_rgb h3600_rgb_16 = {
63 .red = { .offset = 12, .length = 4, },
64 .green = { .offset = 7, .length = 4, },
65 .blue = { .offset = 1, .length = 4, },
66 .transp = { .offset = 0, .length = 0, },
67};
68
69static struct sa1100fb_mach_info h3600_lcd_info = {
70 .pixclock = 174757, .bpp = 16,
71 .xres = 320, .yres = 240,
72
73 .hsync_len = 3, .vsync_len = 3,
74 .left_margin = 12, .upper_margin = 10,
75 .right_margin = 17, .lower_margin = 1,
76
77 .cmap_static = 1,
78
79 .lccr0 = LCCR0_Color | LCCR0_Sngl | LCCR0_Act,
80 .lccr3 = LCCR3_OutEnH | LCCR3_PixRsEdg | LCCR3_ACBsDiv(2),
81
82 .rgb[RGB_16] = &h3600_rgb_16,
Russell King086ada52012-01-14 12:03:22 +000083
84 .lcd_power = h3600_lcd_power,
Russell Kinge1b7a722012-01-14 11:50:04 +000085};
86
87
Linus Torvalds1da177e2005-04-16 15:20:36 -070088static void __init h3600_map_io(void)
89{
90 h3xxx_map_io();
Linus Torvalds1da177e2005-04-16 15:20:36 -070091}
92
Russell Kinga5d176a2009-10-06 14:22:23 +010093/*
94 * This turns the IRDA power on or off on the Compaq H3600
95 */
96static int h3600_irda_set_power(struct device *dev, unsigned int state)
97{
Dmitry Artamonow22f97402009-11-27 12:02:28 +010098 gpio_set_value(H3600_EGPIO_IR_ON, state);
Russell Kinga5d176a2009-10-06 14:22:23 +010099 return 0;
100}
101
102static void h3600_irda_set_speed(struct device *dev, unsigned int speed)
103{
Dmitry Artamonow22f97402009-11-27 12:02:28 +0100104 gpio_set_value(H3600_EGPIO_IR_FSEL, !(speed < 4000000));
105}
106
107static int h3600_irda_startup(struct device *dev)
108{
109 int err = gpio_request(H3600_EGPIO_IR_ON, "IrDA power");
110 if (err)
111 goto err1;
112 err = gpio_direction_output(H3600_EGPIO_IR_ON, 0);
113 if (err)
114 goto err2;
115 err = gpio_request(H3600_EGPIO_IR_FSEL, "IrDA fsel");
116 if (err)
117 goto err2;
118 err = gpio_direction_output(H3600_EGPIO_IR_FSEL, 0);
119 if (err)
120 goto err3;
121 return 0;
122
123err3: gpio_free(H3600_EGPIO_IR_FSEL);
124err2: gpio_free(H3600_EGPIO_IR_ON);
125err1: return err;
126}
127
128static void h3600_irda_shutdown(struct device *dev)
129{
130 gpio_free(H3600_EGPIO_IR_ON);
131 gpio_free(H3600_EGPIO_IR_FSEL);
Russell Kinga5d176a2009-10-06 14:22:23 +0100132}
133
134static struct irda_platform_data h3600_irda_data = {
135 .set_power = h3600_irda_set_power,
136 .set_speed = h3600_irda_set_speed,
Dmitry Artamonow22f97402009-11-27 12:02:28 +0100137 .startup = h3600_irda_startup,
138 .shutdown = h3600_irda_shutdown,
Russell Kinga5d176a2009-10-06 14:22:23 +0100139};
140
Russell King6e21ee62009-10-06 15:16:27 +0100141static struct gpio_default_state h3600_default_gpio[] = {
142 { H3XXX_GPIO_COM_DCD, GPIO_MODE_IN, "COM DCD" },
143 { H3XXX_GPIO_COM_CTS, GPIO_MODE_IN, "COM CTS" },
144 { H3XXX_GPIO_COM_RTS, GPIO_MODE_OUT0, "COM RTS" },
145};
146
Dmitry Artamonowe55b20e2009-11-27 11:06:46 +0100147static void __init h3600_mach_init(void)
Russell King898e8102009-10-06 14:19:44 +0100148{
Russell King6e21ee62009-10-06 15:16:27 +0100149 h3xxx_init_gpio(h3600_default_gpio, ARRAY_SIZE(h3600_default_gpio));
Russell King898e8102009-10-06 14:19:44 +0100150 h3xxx_mach_init();
Russell Kinge1b7a722012-01-14 11:50:04 +0000151
Russell Kinge1b7a722012-01-14 11:50:04 +0000152 sa11x0_register_lcd(&h3600_lcd_info);
Russell Kinga5d176a2009-10-06 14:22:23 +0100153 sa11x0_register_irda(&h3600_irda_data);
Russell King898e8102009-10-06 14:19:44 +0100154}
155
Linus Torvalds1da177e2005-04-16 15:20:36 -0700156MACHINE_START(H3600, "Compaq iPAQ H3600")
Nicolas Pitre17f44252011-07-05 22:38:17 -0400157 .atag_offset = 0x100,
Russell Kinge9dea0c2005-07-03 17:38:58 +0100158 .map_io = h3600_map_io,
Rob Herringf314f332012-02-24 00:06:51 +0100159 .nr_irqs = SA1100_NR_IRQS,
Russell Kinge9dea0c2005-07-03 17:38:58 +0100160 .init_irq = sa1100_init_irq,
Linus Torvalds1da177e2005-04-16 15:20:36 -0700161 .timer = &sa1100_timer,
Russell King898e8102009-10-06 14:19:44 +0100162 .init_machine = h3600_mach_init,
Russell Kingd9ca5832011-11-05 10:28:50 +0000163 .restart = sa11x0_restart,
Linus Torvalds1da177e2005-04-16 15:20:36 -0700164MACHINE_END
165