move-neo1973-pm-stuff-to-drivers-misc.patch

Signed-off-by: Andy Green <andy@openmoko.com>

1 files changed, 132 insertions, 0 deletions

diff --git a/drivers/misc/neo1973_pm_usbhost.c b/drivers/misc/neo1973_pm_usbhost.c
new file mode 100644
index 00000000000..602e4309ccf
--- /dev/null
+++ b/drivers/misc/neo1973_pm_usbhost.c
@@ -0,0 +1,132 @@
+/*
+ * Bluetooth PM code for the FIC Neo1973 GSM Phone
+ *
+ * (C) 2007 by OpenMoko Inc.
+ * Author: Harald Welte <laforge@openmoko.org>
+ * All rights reserved.
+ *
+ * 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/module.h>
+#include <linux/init.h>
+#include <linux/kernel.h>
+#include <linux/platform_device.h>
+
+#include <asm/hardware.h>
+#include <asm/mach-types.h>
+
+#ifdef CONFIG_MACH_NEO1973_GTA02
+#include <asm/arch/gta02.h>
+#include <linux/pcf50633.h>
+#endif
+
+static ssize_t pm_usbhost_read(struct device *dev, struct device_attribute *attr,
+		       char *buf)
+{
+	return sprintf(buf, "%d\n",
+		       pcf50633_gpio_get(pcf50633_global, PCF50633_GPO));
+}
+
+static ssize_t pm_usbhost_write(struct device *dev, struct device_attribute *attr,
+			const char *buf, size_t count)
+{
+	unsigned long on = simple_strtoul(buf, NULL, 10);
+
+	pcf50633_gpio_set(pcf50633_global, PCF50633_GPO, on);
+
+	return count;
+}
+
+static DEVICE_ATTR(hostmode, 0644, pm_usbhost_read, pm_usbhost_write);
+
+#ifdef CONFIG_PM
+static int neo1973_usbhost_suspend(struct platform_device *pdev, pm_message_t state)
+{
+	dev_dbg(&pdev->dev, "suspending\n");
+	/* FIXME: The PMU should save the PMU status, and the GPIO code should
+	 * preserve the GPIO level, so there shouldn't be anything left to do
+	 * for us, should there? */
+
+	return 0;
+}
+
+static int neo1973_usbhost_resume(struct platform_device *pdev)
+{
+	dev_dbg(&pdev->dev, "resuming\n");
+
+	return 0;
+}
+#else
+#define neo1973_usbhost_suspend	NULL
+#define neo1973_usbhost_resume	NULL
+#endif
+
+static struct attribute *neo1973_usbhost_sysfs_entries[] = {
+	&dev_attr_hostmode.attr,
+	NULL
+};
+
+static struct attribute_group neo1973_usbhost_attr_group = {
+	.name	= NULL,
+	.attrs	= neo1973_usbhost_sysfs_entries,
+};
+
+static int __init neo1973_usbhost_probe(struct platform_device *pdev)
+{
+	dev_info(&pdev->dev, "starting\n");
+
+	switch (machine_arch_type) {
+
+#ifdef CONFIG_MACH_NEO1973_GTA01
+	case MACH_TYPE_NEO1973_GTA01:
+		return -EINVAL;
+#endif /* CONFIG_MACH_NEO1973_GTA01 */
+
+#ifdef CONFIG_MACH_NEO1973_GTA02
+	case MACH_TYPE_NEO1973_GTA02:
+/* race */
+/*		pcf50633_gpio_set(pcf50633_global, PCF50633_GPO, 0); */
+		break;
+#endif /* CONFIG_MACH_NEO1973_GTA02 */
+	}
+
+	return sysfs_create_group(&pdev->dev.kobj, &neo1973_usbhost_attr_group);
+}
+
+static int neo1973_usbhost_remove(struct platform_device *pdev)
+{
+	sysfs_remove_group(&pdev->dev.kobj, &neo1973_usbhost_attr_group);
+
+	return 0;
+}
+
+static struct platform_driver neo1973_usbhost_driver = {
+	.probe		= neo1973_usbhost_probe,
+	.remove		= neo1973_usbhost_remove,
+	.suspend	= neo1973_usbhost_suspend,
+	.resume		= neo1973_usbhost_resume,
+	.driver		= {
+		.name		= "neo1973-pm-host",
+	},
+};
+
+static int __devinit neo1973_usbhost_init(void)
+{
+	return platform_driver_register(&neo1973_usbhost_driver);
+}
+
+static void neo1973_usbhost_exit(void)
+{
+	platform_driver_unregister(&neo1973_usbhost_driver);
+}
+
+module_init(neo1973_usbhost_init);
+module_exit(neo1973_usbhost_exit);
+
+MODULE_LICENSE("GPL");
+MODULE_AUTHOR("Andy Green <andy@openmoko.com>");
+MODULE_DESCRIPTION("Neo1973 USB Host Power Management");