--- /dev/null
+/*
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307, USA.
+ *
+ * Copyright (C) 2006 infineon
+ * Copyright (C) 2007 John Crispin <blogic@openwrt.org>
+ *
+ */
+
+#include <linux/kernel.h>
+#include <linux/module.h>
+#include <linux/version.h>
+#include <linux/types.h>
+#include <linux/fs.h>
+#include <linux/init.h>
+#include <asm/uaccess.h>
+#include <asm/unistd.h>
+#include <linux/errno.h>
+#include <asm/ifxmips/ifxmips.h>
+#include <asm/ifxmips/ifxmips_gpio.h>
+#include <asm/ifxmips/ifxmips_pmu.h>
+
+#define IFXMIPS_LED_CLK_EDGE IFXMIPS_LED_FALLING
+//#define IFXMIPS_LED_CLK_EDGE IFXMIPS_LED_RISING
+
+#define IFXMIPS_LED_SPEED IFXMIPS_LED_8HZ
+
+#define IFXMIPS_LED_GPIO_PORT 0
+
+static int ifxmips_led_major;
+
+void
+ifxmips_led_set (unsigned int led)
+{
+ led &= 0xffffff;
+ writel(readl(IFXMIPS_LED_CPU0) | led, IFXMIPS_LED_CPU0);
+}
+EXPORT_SYMBOL(ifxmips_led_set);
+
+void
+ifxmips_led_clear (unsigned int led)
+{
+ led = ~(led & 0xffffff);
+ writel(readl(IFXMIPS_LED_CPU0) & led, IFXMIPS_LED_CPU0);
+}
+EXPORT_SYMBOL(ifxmips_led_clear);
+
+void
+ifxmips_led_blink_set (unsigned int led)
+{
+ led &= 0xffffff;
+ writel(readl(IFXMIPS_LED_CON0) | led, IFXMIPS_LED_CON0);
+}
+EXPORT_SYMBOL(ifxmips_led_blink_set);
+
+void
+ifxmips_led_blink_clear (unsigned int led)
+{
+ led = ~(led & 0xffffff);
+ writel(readl(IFXMIPS_LED_CON0) & led, IFXMIPS_LED_CON0);
+}
+EXPORT_SYMBOL(ifxmips_led_blink_clear);
+
+void
+ifxmips_led_setup_gpio (void)
+{
+ int i = 0;
+
+ /* we need to setup pins SH,D,ST (4,5,6) */
+ for (i = 4; i < 7; i++)
+ {
+ ifxmips_port_set_altsel0(IFXMIPS_LED_GPIO_PORT, i);
+ ifxmips_port_clear_altsel1(IFXMIPS_LED_GPIO_PORT, i);
+ ifxmips_port_set_dir_out(IFXMIPS_LED_GPIO_PORT, i);
+ ifxmips_port_set_open_drain(IFXMIPS_LED_GPIO_PORT, i);
+ }
+}
+
+static int
+led_ioctl (struct inode *inode, struct file *file, unsigned int cmd, unsigned long arg)
+{
+ int ret = -EINVAL;
+
+ switch ( cmd )
+ {
+ }
+
+ return ret;
+}
+
+static int
+led_open (struct inode *inode, struct file *file)
+{
+ return 0;
+}
+
+static int
+led_release (struct inode *inode, struct file *file)
+{
+ return 0;
+}
+
+static struct file_operations ifxmips_led_fops = {
+ .owner = THIS_MODULE,
+ .ioctl = led_ioctl,
+ .open = led_open,
+ .release = led_release
+};
+
+
+/*
+Map for LED on reference board
+ WLAN_READ LED11 OUT1 15
+ WARNING LED12 OUT2 14
+ FXS1_LINK LED13 OUT3 13
+ FXS2_LINK LED14 OUT4 12
+ FXO_ACT LED15 OUT5 11
+ USB_LINK LED16 OUT6 10
+ ADSL2_LINK LED19 OUT7 9
+ BT_LINK LED17 OUT8 8
+ SD_LINK LED20 OUT9 7
+ ADSL2_TRAFFIC LED31 OUT16 0
+Map for hardware relay on reference board
+ USB Power On OUT11 5
+ RELAY OUT12 4
+*/
+
+
+int __init
+ifxmips_led_init (void)
+{
+ int ret = 0;
+
+ ifxmips_led_setup_gpio();
+
+ writel(0, IFXMIPS_LED_AR);
+ writel(0, IFXMIPS_LED_CPU0);
+ writel(0, IFXMIPS_LED_CPU1);
+ writel(LED_CON0_SWU, IFXMIPS_LED_CON0);
+ writel(0, IFXMIPS_LED_CON1);
+
+ /* setup the clock edge that the shift register is triggered on */
+ writel(readl(IFXMIPS_LED_CON0) & ~IFXMIPS_LED_EDGE_MASK, IFXMIPS_LED_CON0);
+ writel(readl(IFXMIPS_LED_CON0) | IFXMIPS_LED_CLK_EDGE, IFXMIPS_LED_CON0);
+
+ /* per default leds 15-0 are set */
+ writel(IFXMIPS_LED_GROUP1 | IFXMIPS_LED_GROUP0, IFXMIPS_LED_CON1);
+
+ /* leds are update periodically by the FPID */
+ writel(readl(IFXMIPS_LED_CON1) & ~IFXMIPS_LED_UPD_MASK, IFXMIPS_LED_CON1);
+ writel(readl(IFXMIPS_LED_CON1) | IFXMIPS_LED_UPD_SRC_FPI, IFXMIPS_LED_CON1);
+
+ /* set led update speed */
+ writel(readl(IFXMIPS_LED_CON1) & ~IFXMIPS_LED_MASK, IFXMIPS_LED_CON1);
+ writel(readl(IFXMIPS_LED_CON1) | IFXMIPS_LED_SPEED, IFXMIPS_LED_CON1);
+
+ /* adsl 0 and 1 leds are updated by the arc */
+ writel(readl(IFXMIPS_LED_CON0) | IFXMIPS_LED_ADSL_SRC, IFXMIPS_LED_CON0);
+
+ /* per default, the leds are turned on */
+ ifxmips_pmu_enable(IFXMIPS_PMU_PWDCR_LED);
+
+ ifxmips_led_major = register_chrdev(0, "ifxmips_led", &ifxmips_led_fops);
+
+ if (!ifxmips_led_major)
+ {
+ printk("ifxmips_led: Error! Could not register device. %d\n", ifxmips_led_major);
+ ret = -EINVAL;
+
+ goto out;
+ }
+
+ printk(KERN_INFO "ifxmips_led : device registered on major %d\n", ifxmips_led_major);
+
+out:
+ return ret;
+}
+
+void __exit
+ifxmips_led_exit (void)
+{
+ unregister_chrdev(ifxmips_led_major, "ifxmips_led");
+}
+
+module_init(ifxmips_led_init);
+module_exit(ifxmips_led_exit);
projects / openwrt / svn-archive / archive.git / blobdiff