From 8e4bff4cab0ddac6060645b0715210484d02ff40 Mon Sep 17 00:00:00 2001
From: Yuval Adam <_@yuv.al>
Date: Wed, 30 Aug 2017 08:25:59 +0000
Subject: Initial file dump from open source release

---
 arch/arm/mach-sa1100/h3100.c | 116 +++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 116 insertions(+)
 create mode 100644 arch/arm/mach-sa1100/h3100.c

(limited to 'arch/arm/mach-sa1100/h3100.c')

diff --git a/arch/arm/mach-sa1100/h3100.c b/arch/arm/mach-sa1100/h3100.c
new file mode 100644
index 00000000..b8f2b151
--- /dev/null
+++ b/arch/arm/mach-sa1100/h3100.c
@@ -0,0 +1,116 @@
+/*
+ * 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>
+ *
+ * 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 h3100_lcd_power(int enable)
+{
+	if (!gpio_request(H3XXX_EGPIO_LCD_ON, "LCD ON")) {
+		gpio_set_value(H3100_GPIO_LCD_3V_ON, enable);
+		gpio_direction_output(H3XXX_EGPIO_LCD_ON, enable);
+		gpio_free(H3XXX_EGPIO_LCD_ON);
+	} else {
+		pr_err("%s: can't request H3XXX_EGPIO_LCD_ON\n", __func__);
+	}
+}
+
+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 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 struct irda_platform_data h3100_irda_data = {
+	.set_power	= h3100_irda_set_power,
+	.set_speed	= h3100_irda_set_speed,
+};
+
+static struct gpio_default_state h3100_default_gpio[] = {
+	{ H3100_GPIO_IR_ON,	GPIO_MODE_OUT0, "IrDA power" },
+	{ H3100_GPIO_IR_FSEL,	GPIO_MODE_OUT0, "IrDA fsel" },
+	{ 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" },
+	{ H3100_GPIO_LCD_3V_ON,	GPIO_MODE_OUT0,	"LCD 3v" },
+};
+
+static void __init h3100_mach_init(void)
+{
+	h3xxx_init_gpio(h3100_default_gpio, ARRAY_SIZE(h3100_default_gpio));
+	h3xxx_mach_init();
+
+	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
+
-- 
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