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Diffstat (limited to 'target/linux/danube/files/drivers')
-rw-r--r--target/linux/danube/files/drivers/char/danube_led.c71
1 files changed, 56 insertions, 15 deletions
diff --git a/target/linux/danube/files/drivers/char/danube_led.c b/target/linux/danube/files/drivers/char/danube_led.c
index 1f7dda9a6..ba53abfbf 100644
--- a/target/linux/danube/files/drivers/char/danube_led.c
+++ b/target/linux/danube/files/drivers/char/danube_led.c
@@ -33,6 +33,48 @@
#include <asm/danube/danube_led.h>
#include <asm/danube/danube_gptu.h>
+#define LED_CONFIG 0x01
+
+#define CONFIG_OPERATION_UPDATE_SOURCE 0x0001
+#define CONFIG_OPERATION_BLINK 0x0002
+#define CONFIG_OPERATION_UPDATE_CLOCK 0x0004
+#define CONFIG_OPERATION_STORE_MODE 0x0008
+#define CONFIG_OPERATION_SHIFT_CLOCK 0x0010
+#define CONFIG_OPERATION_DATA_OFFSET 0x0020
+#define CONFIG_OPERATION_NUMBER_OF_LED 0x0040
+#define CONFIG_OPERATION_DATA 0x0080
+#define CONFIG_OPERATION_MIPS0_ACCESS 0x0100
+#define CONFIG_DATA_CLOCK_EDGE 0x0200
+
+
+/*
+* Data Type Used to Call ioctl
+*/
+struct led_config_param {
+ unsigned long operation_mask; // Select operations to be performed
+ unsigned long led; // LED to change update source (LED or ADSL)
+ unsigned long source; // Corresponding update source (LED or ADSL)
+ unsigned long blink_mask; // LEDs to set blink mode
+ unsigned long blink; // Set to blink mode or normal mode
+ unsigned long update_clock; // Select the source of update clock
+ unsigned long fpid; // If FPI is the source of update clock, set the divider
+ // else if GPT is the source, set the frequency
+ unsigned long store_mode; // Set clock mode or single pulse mode for store signal
+ unsigned long fpis; // FPI is the source of shift clock, set the divider
+ unsigned long data_offset; // Set cycles to be inserted before data is transmitted
+ unsigned long number_of_enabled_led; // Total number of LED to be enabled
+ unsigned long data_mask; // LEDs to set value
+ unsigned long data; // Corresponding value
+ unsigned long mips0_access_mask; // LEDs to set access right
+ unsigned long mips0_access; // 1: the corresponding data is output from MIPS0, 0: MIPS1
+ unsigned long f_data_clock_on_rising; // 1: data clock on rising edge, 0: data clock on falling edge
+};
+
+
+extern int danube_led_set_blink(unsigned int, unsigned int);
+extern int danube_led_set_data(unsigned int, unsigned int);
+extern int danube_led_config(struct led_config_param *);
+
#define DATA_CLOCKING_EDGE FALLING_EDGE
#define RISING_EDGE 0
#define FALLING_EDGE 1
@@ -808,37 +850,35 @@ static struct miscdevice led_miscdev = {
int __init
danube_led_init (void)
{
- int ret;
+ int ret = 0;
struct led_config_param param = {0};
enable_led();
- /*
- * Set default value to registers to turn off all LED light.
- */
- *DANUBE_LED_AR = 0x0;
- *DANUBE_LED_CPU0 = 0x0;
- *DANUBE_LED_CPU1 = 0x0;
- *DANUBE_LED_CON1 = 0x0;
- *DANUBE_LED_CON0 = (0x80000000 | (DATA_CLOCKING_EDGE << 26));
+ writel(0, DANUBE_LED_AR);
+ writel(0, DANUBE_LED_CPU0);
+ writel(0, DANUBE_LED_CPU1);
+ writel(0, DANUBE_LED_CON1);
+ writel((0x80000000 | (DATA_CLOCKING_EDGE << 26)), DANUBE_LED_CON0);
disable_led();
sema_init(&led_sem, 0);
ret = misc_register(&led_miscdev);
- if ( ret == -EBUSY )
+ if (ret == -EBUSY)
{
led_miscdev.minor = MISC_DYNAMIC_MINOR;
ret = misc_register(&led_miscdev);
}
- if ( ret )
+
+ if (ret)
{
printk(KERN_ERR "led: can't misc_register\n");
- return ret;
- }
- else
+ goto out;
+ } else {
printk(KERN_INFO "led: misc_register on minor = %d\n", led_miscdev.minor);
+ }
module_id = THIS_MODULE ? (int)THIS_MODULE : ((MISC_MAJOR << 8) | led_miscdev.minor);
@@ -886,7 +926,8 @@ danube_led_init (void)
param.data = 1 << 5;
danube_led_config(&param);
- return 0;
+out:
+ return ret;
}
void __exit