Adding upstream version 5.10.209.upstream/5.10.209upstream

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

1 files changed, 193 insertions, 0 deletions

diff --git a/drivers/leds/leds-fsg.c b/drivers/leds/leds-fsg.c
new file mode 100644
index 000000000..bc6b42063
--- /dev/null
+++ b/drivers/leds/leds-fsg.c
@@ -0,0 +1,193 @@
+// SPDX-License-Identifier: GPL-2.0-only
+/*
+ * LED Driver for the Freecom FSG-3
+ *
+ * Copyright (c) 2008 Rod Whitby <rod@whitby.id.au>
+ *
+ * Author: Rod Whitby <rod@whitby.id.au>
+ *
+ * Based on leds-spitz.c
+ * Copyright 2005-2006 Openedhand Ltd.
+ * Author: Richard Purdie <rpurdie@openedhand.com>
+ */
+
+#include <linux/kernel.h>
+#include <linux/platform_device.h>
+#include <linux/leds.h>
+#include <linux/module.h>
+#include <linux/io.h>
+#include <mach/hardware.h>
+
+#define FSG_LED_WLAN_BIT	0
+#define FSG_LED_WAN_BIT		1
+#define FSG_LED_SATA_BIT	2
+#define FSG_LED_USB_BIT		4
+#define FSG_LED_RING_BIT	5
+#define FSG_LED_SYNC_BIT	7
+
+static short __iomem *latch_address;
+static unsigned short latch_value;
+
+
+static void fsg_led_wlan_set(struct led_classdev *led_cdev,
+			     enum led_brightness value)
+{
+	if (value) {
+		latch_value &= ~(1 << FSG_LED_WLAN_BIT);
+		*latch_address = latch_value;
+	} else {
+		latch_value |=  (1 << FSG_LED_WLAN_BIT);
+		*latch_address = latch_value;
+	}
+}
+
+static void fsg_led_wan_set(struct led_classdev *led_cdev,
+			    enum led_brightness value)
+{
+	if (value) {
+		latch_value &= ~(1 << FSG_LED_WAN_BIT);
+		*latch_address = latch_value;
+	} else {
+		latch_value |=  (1 << FSG_LED_WAN_BIT);
+		*latch_address = latch_value;
+	}
+}
+
+static void fsg_led_sata_set(struct led_classdev *led_cdev,
+			     enum led_brightness value)
+{
+	if (value) {
+		latch_value &= ~(1 << FSG_LED_SATA_BIT);
+		*latch_address = latch_value;
+	} else {
+		latch_value |=  (1 << FSG_LED_SATA_BIT);
+		*latch_address = latch_value;
+	}
+}
+
+static void fsg_led_usb_set(struct led_classdev *led_cdev,
+			    enum led_brightness value)
+{
+	if (value) {
+		latch_value &= ~(1 << FSG_LED_USB_BIT);
+		*latch_address = latch_value;
+	} else {
+		latch_value |=  (1 << FSG_LED_USB_BIT);
+		*latch_address = latch_value;
+	}
+}
+
+static void fsg_led_sync_set(struct led_classdev *led_cdev,
+			     enum led_brightness value)
+{
+	if (value) {
+		latch_value &= ~(1 << FSG_LED_SYNC_BIT);
+		*latch_address = latch_value;
+	} else {
+		latch_value |=  (1 << FSG_LED_SYNC_BIT);
+		*latch_address = latch_value;
+	}
+}
+
+static void fsg_led_ring_set(struct led_classdev *led_cdev,
+			     enum led_brightness value)
+{
+	if (value) {
+		latch_value &= ~(1 << FSG_LED_RING_BIT);
+		*latch_address = latch_value;
+	} else {
+		latch_value |=  (1 << FSG_LED_RING_BIT);
+		*latch_address = latch_value;
+	}
+}
+
+
+static struct led_classdev fsg_wlan_led = {
+	.name			= "fsg:blue:wlan",
+	.brightness_set		= fsg_led_wlan_set,
+	.flags			= LED_CORE_SUSPENDRESUME,
+};
+
+static struct led_classdev fsg_wan_led = {
+	.name			= "fsg:blue:wan",
+	.brightness_set		= fsg_led_wan_set,
+	.flags			= LED_CORE_SUSPENDRESUME,
+};
+
+static struct led_classdev fsg_sata_led = {
+	.name			= "fsg:blue:sata",
+	.brightness_set		= fsg_led_sata_set,
+	.flags			= LED_CORE_SUSPENDRESUME,
+};
+
+static struct led_classdev fsg_usb_led = {
+	.name			= "fsg:blue:usb",
+	.brightness_set		= fsg_led_usb_set,
+	.flags			= LED_CORE_SUSPENDRESUME,
+};
+
+static struct led_classdev fsg_sync_led = {
+	.name			= "fsg:blue:sync",
+	.brightness_set		= fsg_led_sync_set,
+	.flags			= LED_CORE_SUSPENDRESUME,
+};
+
+static struct led_classdev fsg_ring_led = {
+	.name			= "fsg:blue:ring",
+	.brightness_set		= fsg_led_ring_set,
+	.flags			= LED_CORE_SUSPENDRESUME,
+};
+
+
+static int fsg_led_probe(struct platform_device *pdev)
+{
+	int ret;
+
+	/* Map the LED chip select address space */
+	latch_address = (unsigned short *) devm_ioremap(&pdev->dev,
+						IXP4XX_EXP_BUS_BASE(2), 512);
+	if (!latch_address)
+		return -ENOMEM;
+
+	latch_value = 0xffff;
+	*latch_address = latch_value;
+
+	ret = devm_led_classdev_register(&pdev->dev, &fsg_wlan_led);
+	if (ret < 0)
+		return ret;
+
+	ret = devm_led_classdev_register(&pdev->dev, &fsg_wan_led);
+	if (ret < 0)
+		return ret;
+
+	ret = devm_led_classdev_register(&pdev->dev, &fsg_sata_led);
+	if (ret < 0)
+		return ret;
+
+	ret = devm_led_classdev_register(&pdev->dev, &fsg_usb_led);
+	if (ret < 0)
+		return ret;
+
+	ret = devm_led_classdev_register(&pdev->dev, &fsg_sync_led);
+	if (ret < 0)
+		return ret;
+
+	ret = devm_led_classdev_register(&pdev->dev, &fsg_ring_led);
+	if (ret < 0)
+		return ret;
+
+	return ret;
+}
+
+static struct platform_driver fsg_led_driver = {
+	.probe		= fsg_led_probe,
+	.driver		= {
+		.name		= "fsg-led",
+	},
+};
+
+module_platform_driver(fsg_led_driver);
+
+MODULE_AUTHOR("Rod Whitby <rod@whitby.id.au>");
+MODULE_DESCRIPTION("Freecom FSG-3 LED driver");
+MODULE_LICENSE("GPL");