[linux-2.6-block.git] / arch / arm / mach-sa1100 / h3100.c

// SPDX-License-Identifier: GPL-2.0-only
/*
 * Support for Compaq iPAQ H3100 handheld computer
 *
 * Copyright (c) 2000,1 Compaq Computer Corporation. (Author: Jamey Hicks)
 * Copyright (c) 2009 Dmitry Artamonow <mad_soft@inbox.ru>
 */

#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 <linux/platform_data/irda-sa11x0.h>

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

#include "generic.h"

/*
 * helper for sa1100fb
 */
static struct gpio h3100_lcd_gpio[] = {
	{ H3100_GPIO_LCD_3V_ON, GPIOF_OUT_INIT_LOW, "LCD 3V" },
	{ H3XXX_EGPIO_LCD_ON, GPIOF_OUT_INIT_LOW, "LCD ON" },
};

static bool h3100_lcd_request(void)
{
	static bool h3100_lcd_ok;
	int rc;

	if (h3100_lcd_ok)
		return true;

	rc = gpio_request_array(h3100_lcd_gpio, ARRAY_SIZE(h3100_lcd_gpio));
	if (rc)
		pr_err("%s: can't request GPIOs\n", __func__);
	else
		h3100_lcd_ok = true;

	return h3100_lcd_ok;
}

static void h3100_lcd_power(int enable)
{
	if (!h3100_lcd_request())
		return;

	gpio_set_value(H3100_GPIO_LCD_3V_ON, enable);
	gpio_set_value(H3XXX_EGPIO_LCD_ON, enable);
}

static struct sa1100fb_mach_info h3100_lcd_info = {
	.pixclock	= 406977, 	.bpp		= 4,
	.xres		= 320,		.yres		= 240,

	.hsync_len	= 26,		.vsync_len	= 41,
	.left_margin	= 4,		.upper_margin	= 0,
	.right_margin	= 4,		.lower_margin	= 0,

	.sync		= FB_SYNC_HOR_HIGH_ACT | FB_SYNC_VERT_HIGH_ACT,
	.cmap_greyscale	= 1,
	.cmap_inverse	= 1,

	.lccr0		= LCCR0_Mono | LCCR0_4PixMono | LCCR0_Sngl | LCCR0_Pas,
	.lccr3		= LCCR3_OutEnH | LCCR3_PixRsEdg | LCCR3_ACBsDiv(2),

	.lcd_power = h3100_lcd_power,
};

static void __init h3100_map_io(void)
{
	h3xxx_map_io();

	/* Older bootldrs put GPIO2-9 in alternate mode on the
	   assumption that they are used for video */
	GAFR &= ~0x000001fb;
}

/*
 * This turns the IRDA power on or off on the Compaq H3100
 */
static struct gpio h3100_irda_gpio[] = {
	{ H3100_GPIO_IR_ON,	GPIOF_OUT_INIT_LOW, "IrDA power" },
	{ H3100_GPIO_IR_FSEL,	GPIOF_OUT_INIT_LOW, "IrDA fsel" },
};

static int h3100_irda_set_power(struct device *dev, unsigned int state)
{
	gpio_set_value(H3100_GPIO_IR_ON, state);
	return 0;
}

static void h3100_irda_set_speed(struct device *dev, unsigned int speed)
{
	gpio_set_value(H3100_GPIO_IR_FSEL, !(speed < 4000000));
}

static int h3100_irda_startup(struct device *dev)
{
	return gpio_request_array(h3100_irda_gpio, sizeof(h3100_irda_gpio));
}

static void h3100_irda_shutdown(struct device *dev)
{
	return gpio_free_array(h3100_irda_gpio, sizeof(h3100_irda_gpio));
}

static struct irda_platform_data h3100_irda_data = {
	.set_power	= h3100_irda_set_power,
	.set_speed	= h3100_irda_set_speed,
	.startup	= h3100_irda_startup,
	.shutdown	= h3100_irda_shutdown,
};

static void __init h3100_mach_init(void)
{
	h3xxx_mach_init();

	sa11x0_register_pcmcia(-1, NULL);
	sa11x0_register_lcd(&h3100_lcd_info);
	sa11x0_register_irda(&h3100_irda_data);
}

MACHINE_START(H3100, "Compaq iPAQ H3100")
	.atag_offset	= 0x100,
	.map_io		= h3100_map_io,
	.nr_irqs	= SA1100_NR_IRQS,
	.init_irq	= sa1100_init_irq,
	.init_time	= sa1100_timer_init,
	.init_machine	= h3100_mach_init,
	.init_late	= sa11x0_init_late,
	.restart	= sa11x0_restart,
MACHINE_END
Commit	Line	Data
d2912cb1	1	// SPDX-License-Identifier: GPL-2.0-only
86e5e38c	2	/*
6e23fcb3	3	* Support for Compaq iPAQ H3100 handheld computer
86e5e38c	4	*
6e23fcb3 DA	5	* Copyright (c) 2000,1 Compaq Computer Corporation. (Author: Jamey Hicks)
6e23fcb3 DA	6	* Copyright (c) 2009 Dmitry Artamonow <mad_soft@inbox.ru>
86e5e38c	7	*/
6e23fcb3	8
86e5e38c DA	9	#include <linux/init.h>
86e5e38c DA	10	#include <linux/kernel.h>
86e5e38c	11	#include <linux/gpio.h>
86e5e38c	12
e1b7a72a RK	13	#include <video/sa1100fb.h>
e1b7a72a RK	14
86e5e38c	15	#include <asm/mach-types.h>
86e5e38c	16	#include <asm/mach/arch.h>
dd450777	17	#include <linux/platform_data/irda-sa11x0.h>
86e5e38c DA	18
86e5e38c DA	19	#include <mach/h3xxx.h>
f314f33b	20	#include <mach/irqs.h>
86e5e38c DA	21
	22	#include "generic.h"
	23
	24	/*
	25	* helper for sa1100fb
	26	*/
5f72d85e DES	27	static struct gpio h3100_lcd_gpio[] = {
	28	{ H3100_GPIO_LCD_3V_ON, GPIOF_OUT_INIT_LOW, "LCD 3V" },
	29	{ H3XXX_EGPIO_LCD_ON, GPIOF_OUT_INIT_LOW, "LCD ON" },
	30	};
	31
	32	static bool h3100_lcd_request(void)
	33	{
	34	static bool h3100_lcd_ok;
	35	int rc;
	36
	37	if (h3100_lcd_ok)
	38	return true;
	39
	40	rc = gpio_request_array(h3100_lcd_gpio, ARRAY_SIZE(h3100_lcd_gpio));
	41	if (rc)
	42	pr_err("%s: can't request GPIOs\n", __func__);
	43	else
	44	h3100_lcd_ok = true;
	45
	46	return h3100_lcd_ok;
	47	}
	48
86e5e38c DA	49	static void h3100_lcd_power(int enable)
86e5e38c DA	50	{
5f72d85e DES	51	if (!h3100_lcd_request())
	52	return;
	53
	54	gpio_set_value(H3100_GPIO_LCD_3V_ON, enable);
	55	gpio_set_value(H3XXX_EGPIO_LCD_ON, enable);
86e5e38c DA	56	}
86e5e38c DA	57
e1b7a72a RK	58	static struct sa1100fb_mach_info h3100_lcd_info = {
	59	.pixclock = 406977, .bpp = 4,
	60	.xres = 320, .yres = 240,
	61
	62	.hsync_len = 26, .vsync_len = 41,
	63	.left_margin = 4, .upper_margin = 0,
	64	.right_margin = 4, .lower_margin = 0,
	65
	66	.sync = FB_SYNC_HOR_HIGH_ACT \| FB_SYNC_VERT_HIGH_ACT,
	67	.cmap_greyscale = 1,
	68	.cmap_inverse = 1,
	69
	70	.lccr0 = LCCR0_Mono \| LCCR0_4PixMono \| LCCR0_Sngl \| LCCR0_Pas,
	71	.lccr3 = LCCR3_OutEnH \| LCCR3_PixRsEdg \| LCCR3_ACBsDiv(2),
086ada54 RK	72
086ada54 RK	73	.lcd_power = h3100_lcd_power,
e1b7a72a	74	};
86e5e38c DA	75
	76	static void __init h3100_map_io(void)
	77	{
	78	h3xxx_map_io();
	79
86e5e38c DA	80	/* Older bootldrs put GPIO2-9 in alternate mode on the
	81	assumption that they are used for video */
	82	GAFR &= ~0x000001fb;
	83	}
	84
	85	/*
	86	* This turns the IRDA power on or off on the Compaq H3100
	87	*/
d8eec82c DES	88	static struct gpio h3100_irda_gpio[] = {
	89	{ H3100_GPIO_IR_ON, GPIOF_OUT_INIT_LOW, "IrDA power" },
	90	{ H3100_GPIO_IR_FSEL, GPIOF_OUT_INIT_LOW, "IrDA fsel" },
	91	};
	92
86e5e38c DA	93	static int h3100_irda_set_power(struct device *dev, unsigned int state)
	94	{
	95	gpio_set_value(H3100_GPIO_IR_ON, state);
	96	return 0;
	97	}
	98
	99	static void h3100_irda_set_speed(struct device *dev, unsigned int speed)
	100	{
	101	gpio_set_value(H3100_GPIO_IR_FSEL, !(speed < 4000000));
	102	}
	103
d8eec82c DES	104	static int h3100_irda_startup(struct device *dev)
	105	{
	106	return gpio_request_array(h3100_irda_gpio, sizeof(h3100_irda_gpio));
	107	}
	108
	109	static void h3100_irda_shutdown(struct device *dev)
	110	{
	111	return gpio_free_array(h3100_irda_gpio, sizeof(h3100_irda_gpio));
	112	}
	113
86e5e38c DA	114	static struct irda_platform_data h3100_irda_data = {
	115	.set_power = h3100_irda_set_power,
	116	.set_speed = h3100_irda_set_speed,
d8eec82c DES	117	.startup = h3100_irda_startup,
d8eec82c DES	118	.shutdown = h3100_irda_shutdown,
86e5e38c DA	119	};
86e5e38c DA	120
86e5e38c DA	121	static void __init h3100_mach_init(void)
86e5e38c DA	122	{
86e5e38c	123	h3xxx_mach_init();
e1b7a72a	124
d66a2fb8	125	sa11x0_register_pcmcia(-1, NULL);
e1b7a72a	126	sa11x0_register_lcd(&h3100_lcd_info);
86e5e38c DA	127	sa11x0_register_irda(&h3100_irda_data);
	128	}
	129
	130	MACHINE_START(H3100, "Compaq iPAQ H3100")
17f4425d	131	.atag_offset = 0x100,
86e5e38c	132	.map_io = h3100_map_io,
f314f33b	133	.nr_irqs = SA1100_NR_IRQS,
86e5e38c	134	.init_irq = sa1100_init_irq,
6bb27d73	135	.init_time = sa1100_timer_init,
86e5e38c	136	.init_machine = h3100_mach_init,
7fea1ba5	137	.init_late = sa11x0_init_late,
d9ca5839	138	.restart = sa11x0_restart,
86e5e38c DA	139	MACHINE_END
86e5e38c DA	140