mirror of
git://projects.qi-hardware.com/openwrt-xburst.git
synced 2024-12-05 05:20:37 +02:00
30d336cfc5
git-svn-id: svn://svn.openwrt.org/openwrt/trunk@11297 3c298f89-4303-0410-b956-a3cf2f4a3e73
310 lines
7.5 KiB
Diff
310 lines
7.5 KiB
Diff
From a66e34fefb3f8142d7f16808563eb610225f6e77 Mon Sep 17 00:00:00 2001
|
|
From: Rod Whitby <rod@whitby.id.au>
|
|
Date: Tue, 29 Jan 2008 23:17:42 +1030
|
|
Subject: [PATCH] leds: Add new driver for the LEDs on the Freecom FSG-3
|
|
|
|
The LEDs on the Freecom FSG-3 are connected to an external
|
|
memory-mapped latch on the ixp4xx expansion bus, and therefore cannot
|
|
be supported by any of the existing LEDs drivers.
|
|
|
|
Signed-off-by: Rod Whitby <rod@whitby.id.au>
|
|
--
|
|
PATCH FOLLOWS
|
|
KernelVersion: v2.6.25-rc6-117-g457fb60
|
|
---
|
|
drivers/leds/Kconfig | 6 +
|
|
drivers/leds/Makefile | 1 +
|
|
drivers/leds/leds-fsg.c | 261 +++++++++++++++++++++++++++++++++++++++++++++++
|
|
3 files changed, 268 insertions(+), 0 deletions(-)
|
|
create mode 100644 drivers/leds/leds-fsg.c
|
|
|
|
--- a/drivers/leds/Kconfig
|
|
+++ b/drivers/leds/Kconfig
|
|
@@ -46,6 +46,12 @@
|
|
This option enables support for the LEDs on Sharp Zaurus
|
|
SL-Cxx00 series (C1000, C3000, C3100).
|
|
|
|
+config LEDS_FSG
|
|
+ tristate "LED Support for the Freecom FSG-3"
|
|
+ depends on LEDS_CLASS && MACH_FSG
|
|
+ help
|
|
+ This option enables support for the LEDs on the Freecom FSG-3.
|
|
+
|
|
config LEDS_TOSA
|
|
tristate "LED Support for the Sharp SL-6000 series"
|
|
depends on LEDS_CLASS && PXA_SHARPSL
|
|
--- a/drivers/leds/Makefile
|
|
+++ b/drivers/leds/Makefile
|
|
@@ -22,6 +22,7 @@
|
|
obj-$(CONFIG_LEDS_CM_X270) += leds-cm-x270.o
|
|
obj-$(CONFIG_LEDS_CLEVO_MAIL) += leds-clevo-mail.o
|
|
obj-$(CONFIG_LEDS_HP6XX) += leds-hp6xx.o
|
|
+obj-$(CONFIG_LEDS_FSG) += leds-fsg.o
|
|
|
|
# LED Triggers
|
|
obj-$(CONFIG_LEDS_TRIGGER_TIMER) += ledtrig-timer.o
|
|
--- /dev/null
|
|
+++ b/drivers/leds/leds-fsg.c
|
|
@@ -0,0 +1,261 @@
|
|
+/*
|
|
+ * 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>
|
|
+ *
|
|
+ * 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/kernel.h>
|
|
+#include <linux/init.h>
|
|
+#include <linux/platform_device.h>
|
|
+#include <linux/leds.h>
|
|
+#include <asm/arch/hardware.h>
|
|
+#include <asm/io.h>
|
|
+
|
|
+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,
|
|
+};
|
|
+
|
|
+static struct led_classdev fsg_wan_led = {
|
|
+ .name = "fsg:blue:wan",
|
|
+ .brightness_set = fsg_led_wan_set,
|
|
+};
|
|
+
|
|
+static struct led_classdev fsg_sata_led = {
|
|
+ .name = "fsg:blue:sata",
|
|
+ .brightness_set = fsg_led_sata_set,
|
|
+};
|
|
+
|
|
+static struct led_classdev fsg_usb_led = {
|
|
+ .name = "fsg:blue:usb",
|
|
+ .brightness_set = fsg_led_usb_set,
|
|
+};
|
|
+
|
|
+static struct led_classdev fsg_sync_led = {
|
|
+ .name = "fsg:blue:sync",
|
|
+ .brightness_set = fsg_led_sync_set,
|
|
+};
|
|
+
|
|
+static struct led_classdev fsg_ring_led = {
|
|
+ .name = "fsg:blue:ring",
|
|
+ .brightness_set = fsg_led_ring_set,
|
|
+};
|
|
+
|
|
+
|
|
+
|
|
+#ifdef CONFIG_PM
|
|
+static int fsg_led_suspend(struct platform_device *dev, pm_message_t state)
|
|
+{
|
|
+ led_classdev_suspend(&fsg_wlan_led);
|
|
+ led_classdev_suspend(&fsg_wan_led);
|
|
+ led_classdev_suspend(&fsg_sata_led);
|
|
+ led_classdev_suspend(&fsg_usb_led);
|
|
+ led_classdev_suspend(&fsg_sync_led);
|
|
+ led_classdev_suspend(&fsg_ring_led);
|
|
+ return 0;
|
|
+}
|
|
+
|
|
+static int fsg_led_resume(struct platform_device *dev)
|
|
+{
|
|
+ led_classdev_resume(&fsg_wlan_led);
|
|
+ led_classdev_resume(&fsg_wan_led);
|
|
+ led_classdev_resume(&fsg_sata_led);
|
|
+ led_classdev_resume(&fsg_usb_led);
|
|
+ led_classdev_resume(&fsg_sync_led);
|
|
+ led_classdev_resume(&fsg_ring_led);
|
|
+ return 0;
|
|
+}
|
|
+#endif
|
|
+
|
|
+
|
|
+static int fsg_led_probe(struct platform_device *pdev)
|
|
+{
|
|
+ int ret;
|
|
+
|
|
+ ret = led_classdev_register(&pdev->dev, &fsg_wlan_led);
|
|
+ if (ret < 0)
|
|
+ goto failwlan;
|
|
+
|
|
+ ret = led_classdev_register(&pdev->dev, &fsg_wan_led);
|
|
+ if (ret < 0)
|
|
+ goto failwan;
|
|
+
|
|
+ ret = led_classdev_register(&pdev->dev, &fsg_sata_led);
|
|
+ if (ret < 0)
|
|
+ goto failsata;
|
|
+
|
|
+ ret = led_classdev_register(&pdev->dev, &fsg_usb_led);
|
|
+ if (ret < 0)
|
|
+ goto failusb;
|
|
+
|
|
+ ret = led_classdev_register(&pdev->dev, &fsg_sync_led);
|
|
+ if (ret < 0)
|
|
+ goto failsync;
|
|
+
|
|
+ ret = led_classdev_register(&pdev->dev, &fsg_ring_led);
|
|
+ if (ret < 0)
|
|
+ goto failring;
|
|
+
|
|
+ /* Map the LED chip select address space */
|
|
+ latch_address = (unsigned short *) ioremap(IXP4XX_EXP_BUS_BASE(2), 512);
|
|
+ if (!latch_address) {
|
|
+ ret = -ENOMEM;
|
|
+ goto failremap;
|
|
+ }
|
|
+
|
|
+ latch_value = 0xffff;
|
|
+ *latch_address = latch_value;
|
|
+
|
|
+ return ret;
|
|
+
|
|
+ failremap:
|
|
+ led_classdev_unregister(&fsg_ring_led);
|
|
+ failring:
|
|
+ led_classdev_unregister(&fsg_sync_led);
|
|
+ failsync:
|
|
+ led_classdev_unregister(&fsg_usb_led);
|
|
+ failusb:
|
|
+ led_classdev_unregister(&fsg_sata_led);
|
|
+ failsata:
|
|
+ led_classdev_unregister(&fsg_wan_led);
|
|
+ failwan:
|
|
+ led_classdev_unregister(&fsg_wlan_led);
|
|
+ failwlan:
|
|
+
|
|
+ return ret;
|
|
+}
|
|
+
|
|
+static int fsg_led_remove(struct platform_device *pdev)
|
|
+{
|
|
+ iounmap(latch_address);
|
|
+
|
|
+ led_classdev_unregister(&fsg_wlan_led);
|
|
+ led_classdev_unregister(&fsg_wan_led);
|
|
+ led_classdev_unregister(&fsg_sata_led);
|
|
+ led_classdev_unregister(&fsg_usb_led);
|
|
+ led_classdev_unregister(&fsg_sync_led);
|
|
+ led_classdev_unregister(&fsg_ring_led);
|
|
+
|
|
+ return 0;
|
|
+}
|
|
+
|
|
+
|
|
+static struct platform_driver fsg_led_driver = {
|
|
+ .probe = fsg_led_probe,
|
|
+ .remove = fsg_led_remove,
|
|
+#ifdef CONFIG_PM
|
|
+ .suspend = fsg_led_suspend,
|
|
+ .resume = fsg_led_resume,
|
|
+#endif
|
|
+ .driver = {
|
|
+ .name = "fsg-led",
|
|
+ },
|
|
+};
|
|
+
|
|
+
|
|
+static int __init fsg_led_init(void)
|
|
+{
|
|
+ return platform_driver_register(&fsg_led_driver);
|
|
+}
|
|
+
|
|
+static void __exit fsg_led_exit(void)
|
|
+{
|
|
+ platform_driver_unregister(&fsg_led_driver);
|
|
+}
|
|
+
|
|
+
|
|
+module_init(fsg_led_init);
|
|
+module_exit(fsg_led_exit);
|
|
+
|
|
+MODULE_AUTHOR("Rod Whitby <rod@whitby.id.au>");
|
|
+MODULE_DESCRIPTION("Freecom FSG-3 LED driver");
|
|
+MODULE_LICENSE("GPL");
|