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-rw-r--r--target/linux/danube/files/drivers/char/danube_led.c247
1 files changed, 51 insertions, 196 deletions
diff --git a/target/linux/danube/files/drivers/char/danube_led.c b/target/linux/danube/files/drivers/char/danube_led.c
index 8f5758933f..38ac4c1708 100644
--- a/target/linux/danube/files/drivers/char/danube_led.c
+++ b/target/linux/danube/files/drivers/char/danube_led.c
@@ -23,212 +23,68 @@
#include <linux/version.h>
#include <linux/types.h>
#include <linux/fs.h>
-#include <linux/miscdevice.h>
#include <linux/init.h>
#include <asm/uaccess.h>
#include <asm/unistd.h>
#include <linux/errno.h>
#include <asm/danube/danube.h>
#include <asm/danube/danube_gpio.h>
+#include <asm/delay.h>
-#define LED_CONFIG 0x01
+#define DANUBE_LED_CLK_EDGE DANUBE_LED_FALLING
+//#define DANUBE_LED_CLK_EDGE DANUBE_LED_RISING
-#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
+#define DANUBE_LED_SPEED DANUBE_LED_8HZ
-#define DANUBE_LED_CLK_EDGE DANUBE_LED_FALLING
-//#define DANUBE_LED_CLK_EDGE DANUBE_LED_RISING
-
-#define LED_SH_PORT 0
-#define LED_SH_PIN 4
-#define LED_SH_DIR 1
-#define LED_SH_ALTSEL0 1
-#define LED_SH_ALTSEL1 0
-#define LED_SH_OPENDRAIN 1
-#define LED_D_PORT 0
-#define LED_D_PIN 5
-#define LED_D_DIR 1
-#define LED_D_ALTSEL0 1
-#define LED_D_ALTSEL1 0
-#define LED_D_OPENDRAIN 1
-#define LED_ST_PORT 0
-#define LED_ST_PIN 6
-#define LED_ST_DIR 1
-#define LED_ST_ALTSEL0 1
-#define LED_ST_ALTSEL1 0
-#define LED_ST_OPENDRAIN 1
-
-#define LED_ADSL0_PORT 0
-#define LED_ADSL0_PIN 4
-#define LED_ADSL0_DIR 1
-#define LED_ADSL0_ALTSEL0 0
-#define LED_ADSL0_ALTSEL1 1
-#define LED_ADSL0_OPENDRAIN 1
-#define LED_ADSL1_PORT 0
-#define LED_ADSL1_PIN 5
-#define LED_ADSL1_DIR 1
-#define LED_ADSL1_ALTSEL0 1
-#define LED_ADSL1_ALTSEL1 1
-#define LED_ADSL1_OPENDRAIN 1
-
-#if (LED_SH_PORT == LED_ADSL0_PORT && LED_SH_PIN == LED_ADSL0_PIN) \
- || (LED_D_PORT == LED_ADSL0_PORT && LED_D_PIN == LED_ADSL0_PIN) \
- || (LED_ST_PORT == LED_ADSL0_PORT && LED_ST_PIN == LED_ADSL0_PIN) \
- || (LED_SH_PORT == LED_ADSL1_PORT && LED_SH_PIN == LED_ADSL1_PIN) \
- || (LED_D_PORT == LED_ADSL1_PORT && LED_D_PIN == LED_ADSL1_PIN) \
- || (LED_ST_PORT == LED_ADSL1_PORT && LED_ST_PIN == LED_ADSL1_PIN)
- #define ADSL_LED_IS_EXCLUSIVE 1
-#else
- #define ADSL_LED_IS_EXCLUSIVE 0
-#endif
-
-#if LED_SH_DIR
- #define LED_SH_DIR_SETUP danube_port_set_dir_out
-#else
- #define LED_SH_DIR_SETUP danube_port_clear_dir_out
-#endif
-#if LED_SH_ALTSEL0
- #define LED_SH_ALTSEL0_SETUP danube_port_set_altsel0
-#else
- #define LED_SH_ALTSEL0_SETUP danube_port_clear_altsel0
-#endif
-#if LED_SH_ALTSEL1
- #define LED_SH_ALTSEL1_SETUP danube_port_set_altsel1
-#else
- #define LED_SH_ALTSEL1_SETUP danube_port_clear_altsel1
-#endif
-#if LED_SH_OPENDRAIN
- #define LED_SH_OPENDRAIN_SETUP danube_port_set_open_drain
-#else
- #define LED_SH_OPENDRAIN_SETUP danube_port_clear_open_drain
-#endif
-
-#if LED_D_DIR
- #define LED_D_DIR_SETUP danube_port_set_dir_out
-#else
- #define LED_D_DIR_SETUP danube_port_clear_dir_out
-#endif
-#if LED_D_ALTSEL0
- #define LED_D_ALTSEL0_SETUP danube_port_set_altsel0
-#else
- #define LED_D_ALTSEL0_SETUP danube_port_clear_altsel0
-#endif
-#if LED_D_ALTSEL1
- #define LED_D_ALTSEL1_SETUP danube_port_set_altsel1
-#else
- #define LED_D_ALTSEL1_SETUP danube_port_clear_altsel1
-#endif
-#if LED_D_OPENDRAIN
- #define LED_D_OPENDRAIN_SETUP danube_port_set_open_drain
-#else
- #define LED_D_OPENDRAIN_SETUP danube_port_clear_open_drain
-#endif
-
-#if LED_ST_DIR
- #define LED_ST_DIR_SETUP danube_port_set_dir_out
-#else
- #define LED_ST_DIR_SETUP danube_port_clear_dir_out
-#endif
-#if LED_ST_ALTSEL0
- #define LED_ST_ALTSEL0_SETUP danube_port_set_altsel0
-#else
- #define LED_ST_ALTSEL0_SETUP danube_port_clear_altsel0
-#endif
-#if LED_ST_ALTSEL1
- #define LED_ST_ALTSEL1_SETUP danube_port_set_altsel1
-#else
- #define LED_ST_ALTSEL1_SETUP danube_port_clear_altsel1
-#endif
-#if LED_ST_OPENDRAIN
- #define LED_ST_OPENDRAIN_SETUP danube_port_set_open_drain
-#else
- #define LED_ST_OPENDRAIN_SETUP danube_port_clear_open_drain
-#endif
-
-#if LED_ADSL0_DIR
- #define LED_ADSL0_DIR_SETUP danube_port_set_dir_out
-#else
- #define LED_ADSL0_DIR_SETUP danube_port_clear_dir_out
-#endif
-#if LED_ADSL0_ALTSEL0
- #define LED_ADSL0_ALTSEL0_SETUP danube_port_set_altsel0
-#else
- #define LED_ADSL0_ALTSEL0_SETUP danube_port_clear_altsel0
-#endif
-#if LED_ADSL0_ALTSEL1
- #define LED_ADSL0_ALTSEL1_SETUP danube_port_set_altsel1
-#else
- #define LED_ADSL0_ALTSEL1_SETUP danube_port_clear_altsel1
-#endif
-#if LED_ADSL0_OPENDRAIN
- #define LED_ADSL0_OPENDRAIN_SETUP danube_port_set_open_drain
-#else
- #define LED_ADSL0_OPENDRAIN_SETUP danube_port_clear_open_drain
-#endif
-
-#if LED_ADSL1_DIR
- #define LED_ADSL1_DIR_SETUP danube_port_set_dir_out
-#else
- #define LED_ADSL1_DIR_SETUP danube_port_clear_dir_out
-#endif
-#if LED_ADSL1_ALTSEL0
- #define LED_ADSL1_ALTSEL0_SETUP danube_port_set_altsel0
-#else
- #define LED_ADSL1_ALTSEL0_SETUP danube_port_clear_altsel0
-#endif
-#if LED_ADSL1_ALTSEL1
- #define LED_ADSL1_ALTSEL1_SETUP danube_port_set_altsel1
-#else
- #define LED_ADSL1_ALTSEL1_SETUP danube_port_clear_altsel1
-#endif
-#if LED_ADSL1_OPENDRAIN
- #define LED_ADSL1_OPENDRAIN_SETUP danube_port_set_open_drain
-#else
- #define LED_ADSL1_OPENDRAIN_SETUP danube_port_clear_open_drain
-#endif
-
-#define SET_BITS(x, msb, lsb, value) (((x) & ~(((1 << ((msb) + 1)) - 1) ^ ((1 << (lsb)) - 1))) | (((value) & ((1 << (1 + (msb) - (lsb))) - 1)) << (lsb)))
+#define DANUBE_LED_GPIO_PORT 0
static int danube_led_major;
-static int
+void
+danube_led_set (unsigned int led)
+{
+ led &= 0xffffff;
+ writel(readl(DANUBE_LED_CPU0) | led, DANUBE_LED_CPU0);
+}
+EXPORT_SYMBOL(danube_led_set);
+
+void
+danube_led_clear (unsigned int led)
+{
+ led = ~(led & 0xffffff);
+ writel(readl(DANUBE_LED_CPU0) & led, DANUBE_LED_CPU0);
+}
+EXPORT_SYMBOL(danube_led_clear);
+
+void
+danube_led_blink_set (unsigned int led)
+{
+ led &= 0xffffff;
+ writel(readl(DANUBE_LED_CON0) | led, DANUBE_LED_CON0);
+}
+EXPORT_SYMBOL(danube_led_blink_set);
+
+void
+danube_led_blink_clear (unsigned int led)
+{
+ led = ~(led & 0xffffff);
+ writel(readl(DANUBE_LED_CON0) & led, DANUBE_LED_CON0);
+}
+EXPORT_SYMBOL(danube_led_blink_clear);
+
+void
danube_led_setup_gpio (void)
{
- /*
- * Set LED_ST
- * I don't check the return value, because I'm sure the value is valid
- * and the pins are reserved already.
- */
- LED_ST_ALTSEL0_SETUP(LED_ST_PORT, LED_ST_PIN);
- LED_ST_ALTSEL1_SETUP(LED_ST_PORT, LED_ST_PIN);
- LED_ST_DIR_SETUP(LED_ST_PORT, LED_ST_PIN);
- LED_ST_OPENDRAIN_SETUP(LED_ST_PORT, LED_ST_PIN);
-
- /*
- * Set LED_D
- */
- LED_D_ALTSEL0_SETUP(LED_D_PORT, LED_D_PIN);
- LED_D_ALTSEL1_SETUP(LED_D_PORT, LED_D_PIN);
- LED_D_DIR_SETUP(LED_D_PORT, LED_D_PIN);
- LED_D_OPENDRAIN_SETUP(LED_D_PORT, LED_D_PIN);
-
- /*
- * Set LED_SH
- */
- LED_SH_ALTSEL0_SETUP(LED_SH_PORT, LED_SH_PIN);
- LED_SH_ALTSEL1_SETUP(LED_SH_PORT, LED_SH_PIN);
- LED_SH_DIR_SETUP(LED_SH_PORT, LED_SH_PIN);
- LED_SH_OPENDRAIN_SETUP(LED_SH_PORT, LED_SH_PIN);
+ int i = 0;
- return 0;
+ /* we need to setup pins SH,D,ST (4,5,6) */
+ for (i = 4; i < 7; i++)
+ {
+ danube_port_set_altsel0(DANUBE_LED_GPIO_PORT, i);
+ danube_port_clear_altsel1(DANUBE_LED_GPIO_PORT, i);
+ danube_port_set_dir_out(DANUBE_LED_GPIO_PORT, i);
+ danube_port_set_open_drain(DANUBE_LED_GPIO_PORT, i);
+ }
}
static void
@@ -256,8 +112,6 @@ led_ioctl (struct inode *inode, struct file *file, unsigned int cmd, unsigned lo
switch ( cmd )
{
- case LED_CONFIG:
- break;
}
return ret;
@@ -309,9 +163,10 @@ danube_led_init (void)
danube_led_setup_gpio();
writel(0, DANUBE_LED_AR);
- writel(0xff00, DANUBE_LED_CPU0);
+ writel(0, DANUBE_LED_CPU0);
writel(0, DANUBE_LED_CPU1);
- writel(0x8000ffff, DANUBE_LED_CON0);
+ writel(LED_CON0_SWU, DANUBE_LED_CON0);
+ writel(0, DANUBE_LED_CON1);
/* setup the clock edge that the shift register is triggered on */
writel(readl(DANUBE_LED_CON0) & ~DANUBE_LED_EDGE_MASK, DANUBE_LED_CON0);
@@ -326,7 +181,7 @@ danube_led_init (void)
/* set led update speed */
writel(readl(DANUBE_LED_CON1) & ~DANUBE_LED_MASK, DANUBE_LED_CON1);
- writel(readl(DANUBE_LED_CON1) | DANUBE_LED_8HZ, DANUBE_LED_CON1);
+ writel(readl(DANUBE_LED_CON1) | DANUBE_LED_SPEED, DANUBE_LED_CON1);
/* adsl 0 and 1 leds are updated by the arc */
writel(readl(DANUBE_LED_CON0) | DANUBE_LED_ADSL_SRC, DANUBE_LED_CON0);