[deliverable/linux.git] / arch / arm / mach-sa1100 / h3600.c

/*
 * Support for Compaq iPAQ H3600 handheld computer
 *
 * Copyright (c) 2000,1 Compaq Computer Corporation. (Author: Jamey Hicks)
 * Copyright (c) 2009 Dmitry Artamonow <mad_soft@inbox.ru>
 *
 * This program is free software; you can redistribute it and/or modify
 * it under the terms of the GNU General Public License version 2 as
 * published by the Free Software Foundation.
 *
 */

#include <linux/init.h>
#include <linux/kernel.h>
#include <linux/gpio.h>

#include <video/sa1100fb.h>

#include <asm/mach-types.h>
#include <asm/mach/arch.h>
#include <asm/mach/irda.h>

#include <mach/h3xxx.h>
#include <mach/irqs.h>

#include "generic.h"

/*
 * helper for sa1100fb
 */
static void h3600_lcd_power(int enable)
{
	if (gpio_request(H3XXX_EGPIO_LCD_ON, "LCD power")) {
		pr_err("%s: can't request H3XXX_EGPIO_LCD_ON\n", __func__);
		goto err1;
	}
	if (gpio_request(H3600_EGPIO_LCD_PCI, "LCD control")) {
		pr_err("%s: can't request H3XXX_EGPIO_LCD_PCI\n", __func__);
		goto err2;
	}
	if (gpio_request(H3600_EGPIO_LCD_5V_ON, "LCD 5v")) {
		pr_err("%s: can't request H3XXX_EGPIO_LCD_5V_ON\n", __func__);
		goto err3;
	}
	if (gpio_request(H3600_EGPIO_LVDD_ON, "LCD 9v/-6.5v")) {
		pr_err("%s: can't request H3600_EGPIO_LVDD_ON\n", __func__);
		goto err4;
	}

	gpio_direction_output(H3XXX_EGPIO_LCD_ON, enable);
	gpio_direction_output(H3600_EGPIO_LCD_PCI, enable);
	gpio_direction_output(H3600_EGPIO_LCD_5V_ON, enable);
	gpio_direction_output(H3600_EGPIO_LVDD_ON, enable);

	gpio_free(H3600_EGPIO_LVDD_ON);
err4:	gpio_free(H3600_EGPIO_LCD_5V_ON);
err3:	gpio_free(H3600_EGPIO_LCD_PCI);
err2:	gpio_free(H3XXX_EGPIO_LCD_ON);
err1:	return;
}

static const struct sa1100fb_rgb h3600_rgb_16 = {
	.red	= { .offset = 12, .length = 4, },
	.green	= { .offset = 7,  .length = 4, },
	.blue	= { .offset = 1,  .length = 4, },
	.transp	= { .offset = 0,  .length = 0, },
};

static struct sa1100fb_mach_info h3600_lcd_info = {
	.pixclock	= 174757, 	.bpp		= 16,
	.xres		= 320,		.yres		= 240,

	.hsync_len	= 3,		.vsync_len	= 3,
	.left_margin	= 12,		.upper_margin	= 10,
	.right_margin	= 17,		.lower_margin	= 1,

	.cmap_static	= 1,

	.lccr0		= LCCR0_Color | LCCR0_Sngl | LCCR0_Act,
	.lccr3		= LCCR3_OutEnH | LCCR3_PixRsEdg | LCCR3_ACBsDiv(2),

	.rgb[RGB_16] = &h3600_rgb_16,

	.lcd_power = h3600_lcd_power,
};


static void __init h3600_map_io(void)
{
	h3xxx_map_io();
}

/*
 * This turns the IRDA power on or off on the Compaq H3600
 */
static int h3600_irda_set_power(struct device *dev, unsigned int state)
{
	gpio_set_value(H3600_EGPIO_IR_ON, state);
	return 0;
}

static void h3600_irda_set_speed(struct device *dev, unsigned int speed)
{
	gpio_set_value(H3600_EGPIO_IR_FSEL, !(speed < 4000000));
}

static int h3600_irda_startup(struct device *dev)
{
	int err = gpio_request(H3600_EGPIO_IR_ON, "IrDA power");
	if (err)
		goto err1;
	err = gpio_direction_output(H3600_EGPIO_IR_ON, 0);
	if (err)
		goto err2;
	err = gpio_request(H3600_EGPIO_IR_FSEL, "IrDA fsel");
	if (err)
		goto err2;
	err = gpio_direction_output(H3600_EGPIO_IR_FSEL, 0);
	if (err)
		goto err3;
	return 0;

err3:	gpio_free(H3600_EGPIO_IR_FSEL);
err2:	gpio_free(H3600_EGPIO_IR_ON);
err1:	return err;
}

static void h3600_irda_shutdown(struct device *dev)
{
	gpio_free(H3600_EGPIO_IR_ON);
	gpio_free(H3600_EGPIO_IR_FSEL);
}

static struct irda_platform_data h3600_irda_data = {
	.set_power	= h3600_irda_set_power,
	.set_speed	= h3600_irda_set_speed,
	.startup	= h3600_irda_startup,
	.shutdown	= h3600_irda_shutdown,
};

static struct gpio_default_state h3600_default_gpio[] = {
	{ H3XXX_GPIO_COM_DCD,	GPIO_MODE_IN,	"COM DCD" },
	{ H3XXX_GPIO_COM_CTS,	GPIO_MODE_IN,	"COM CTS" },
	{ H3XXX_GPIO_COM_RTS,	GPIO_MODE_OUT0,	"COM RTS" },
};

static void __init h3600_mach_init(void)
{
	h3xxx_init_gpio(h3600_default_gpio, ARRAY_SIZE(h3600_default_gpio));
	h3xxx_mach_init();

	sa11x0_register_lcd(&h3600_lcd_info);
	sa11x0_register_irda(&h3600_irda_data);
}

MACHINE_START(H3600, "Compaq iPAQ H3600")
	.atag_offset	= 0x100,
	.map_io		= h3600_map_io,
	.nr_irqs	= SA1100_NR_IRQS,
	.init_irq	= sa1100_init_irq,
	.timer		= &sa1100_timer,
	.init_machine	= h3600_mach_init,
	.init_late	= sa11x0_init_late,
	.restart	= sa11x0_restart,
MACHINE_END
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)
6e23fcb3 DA	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	*
1da177e4 LT	11	*/
6e23fcb3	12
1da177e4 LT	13	#include <linux/init.h>
1da177e4 LT	14	#include <linux/kernel.h>
0831e3e4	15	#include <linux/gpio.h>
1da177e4	16
e1b7a72a RK	17	#include <video/sa1100fb.h>
e1b7a72a RK	18
1da177e4	19	#include <asm/mach-types.h>
1da177e4	20	#include <asm/mach/arch.h>
1da177e4	21	#include <asm/mach/irda.h>
1da177e4	22
8715b29d	23	#include <mach/h3xxx.h>
f314f33b	24	#include <mach/irqs.h>
1da177e4 LT	25
	26	#include "generic.h"
	27
cf5a87d8 DA	28	/*
	29	* helper for sa1100fb
	30	*/
	31	static void h3600_lcd_power(int enable)
	32	{
729fae44 DA	33	if (gpio_request(H3XXX_EGPIO_LCD_ON, "LCD power")) {
729fae44 DA	34	pr_err("%s: can't request H3XXX_EGPIO_LCD_ON\n", __func__);
22f97405	35	goto err1;
729fae44 DA	36	}
	37	if (gpio_request(H3600_EGPIO_LCD_PCI, "LCD control")) {
	38	pr_err("%s: can't request H3XXX_EGPIO_LCD_PCI\n", __func__);
22f97405	39	goto err2;
729fae44 DA	40	}
	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__);
22f97405	43	goto err3;
729fae44 DA	44	}
	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__);
22f97405	47	goto err4;
729fae44	48	}
22f97405 DA	49
	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);
	56	err4: gpio_free(H3600_EGPIO_LCD_5V_ON);
	57	err3: gpio_free(H3600_EGPIO_LCD_PCI);
	58	err2: gpio_free(H3XXX_EGPIO_LCD_ON);
	59	err1: return;
cf5a87d8 DA	60	}
cf5a87d8 DA	61
e1b7a72a RK	62	static 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
	69	static 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,
086ada54 RK	83
086ada54 RK	84	.lcd_power = h3600_lcd_power,
e1b7a72a RK	85	};
	86
	87
1da177e4 LT	88	static void __init h3600_map_io(void)
	89	{
	90	h3xxx_map_io();
1da177e4 LT	91	}
1da177e4 LT	92
a5d176a1 RK	93	/*
	94	* This turns the IRDA power on or off on the Compaq H3600
	95	*/
	96	static int h3600_irda_set_power(struct device *dev, unsigned int state)
	97	{
22f97405	98	gpio_set_value(H3600_EGPIO_IR_ON, state);
a5d176a1 RK	99	return 0;
	100	}
	101
	102	static void h3600_irda_set_speed(struct device *dev, unsigned int speed)
	103	{
22f97405 DA	104	gpio_set_value(H3600_EGPIO_IR_FSEL, !(speed < 4000000));
	105	}
	106
	107	static 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
	123	err3: gpio_free(H3600_EGPIO_IR_FSEL);
	124	err2: gpio_free(H3600_EGPIO_IR_ON);
	125	err1: return err;
	126	}
	127
	128	static void h3600_irda_shutdown(struct device *dev)
	129	{
	130	gpio_free(H3600_EGPIO_IR_ON);
	131	gpio_free(H3600_EGPIO_IR_FSEL);
a5d176a1 RK	132	}
	133
	134	static struct irda_platform_data h3600_irda_data = {
	135	.set_power = h3600_irda_set_power,
	136	.set_speed = h3600_irda_set_speed,
22f97405 DA	137	.startup = h3600_irda_startup,
22f97405 DA	138	.shutdown = h3600_irda_shutdown,
a5d176a1 RK	139	};
a5d176a1 RK	140
6e21ee6a RK	141	static 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
e55b20e8	147	static void __init h3600_mach_init(void)
898e810e	148	{
6e21ee6a	149	h3xxx_init_gpio(h3600_default_gpio, ARRAY_SIZE(h3600_default_gpio));
898e810e	150	h3xxx_mach_init();
e1b7a72a	151
e1b7a72a	152	sa11x0_register_lcd(&h3600_lcd_info);
a5d176a1	153	sa11x0_register_irda(&h3600_irda_data);
898e810e RK	154	}
898e810e RK	155
1da177e4	156	MACHINE_START(H3600, "Compaq iPAQ H3600")
17f4425d	157	.atag_offset = 0x100,
e9dea0c6	158	.map_io = h3600_map_io,
f314f33b	159	.nr_irqs = SA1100_NR_IRQS,
e9dea0c6	160	.init_irq = sa1100_init_irq,
1da177e4	161	.timer = &sa1100_timer,
898e810e	162	.init_machine = h3600_mach_init,
7fea1ba5	163	.init_late = sa11x0_init_late,
d9ca5839	164	.restart = sa11x0_restart,
1da177e4 LT	165	MACHINE_END
1da177e4 LT	166