From ace9429bb58fd418f0c81d4c2835699bddf6bde6 Mon Sep 17 00:00:00 2001
From: Daniel Baumann <daniel.baumann@progress-linux.org>
Date: Thu, 11 Apr 2024 10:27:49 +0200
Subject: Adding upstream version 6.6.15.

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
---
 arch/arm/mach-sa1100/h3600.c | 109 +++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 109 insertions(+)
 create mode 100644 arch/arm/mach-sa1100/h3600.c

(limited to 'arch/arm/mach-sa1100/h3600.c')

diff --git a/arch/arm/mach-sa1100/h3600.c b/arch/arm/mach-sa1100/h3600.c
new file mode 100644
index 0000000000..5e25dfa752
--- /dev/null
+++ b/arch/arm/mach-sa1100/h3600.c
@@ -0,0 +1,109 @@
+// SPDX-License-Identifier: GPL-2.0-only
+/*
+ * 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>
+ */
+
+#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 <mach/h3xxx.h>
+#include <mach/irqs.h>
+
+#include "generic.h"
+
+/*
+ * helper for sa1100fb
+ */
+static struct gpio h3600_lcd_gpio[] = {
+	{ H3XXX_EGPIO_LCD_ON,	GPIOF_OUT_INIT_LOW,	"LCD power" },
+	{ H3600_EGPIO_LCD_PCI,	GPIOF_OUT_INIT_LOW,	"LCD control" },
+	{ H3600_EGPIO_LCD_5V_ON, GPIOF_OUT_INIT_LOW,	"LCD 5v" },
+	{ H3600_EGPIO_LVDD_ON,	GPIOF_OUT_INIT_LOW,	"LCD 9v/-6.5v" },
+};
+
+static bool h3600_lcd_request(void)
+{
+	static bool h3600_lcd_ok;
+	int rc;
+
+	if (h3600_lcd_ok)
+		return true;
+
+	rc = gpio_request_array(h3600_lcd_gpio, ARRAY_SIZE(h3600_lcd_gpio));
+	if (rc)
+		pr_err("%s: can't request GPIOs\n", __func__);
+	else
+		h3600_lcd_ok = true;
+
+	return h3600_lcd_ok;
+}
+
+static void h3600_lcd_power(int enable)
+{
+	if (!h3600_lcd_request())
+		return;
+
+	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);
+}
+
+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();
+}
+
+static void __init h3600_mach_init(void)
+{
+	h3xxx_mach_init();
+
+	sa11x0_register_lcd(&h3600_lcd_info);
+}
+
+MACHINE_START(H3600, "Compaq iPAQ H3600")
+	.atag_offset	= 0x100,
+	.map_io		= h3600_map_io,
+	.nr_irqs	= SA1100_NR_IRQS,
+	.init_irq	= sa1100_init_irq,
+	.init_time	= sa1100_timer_init,
+	.init_machine	= h3600_mach_init,
+	.init_late	= sa11x0_init_late,
+	.restart	= sa11x0_restart,
+MACHINE_END
+
-- 
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