summaryrefslogtreecommitdiffstats
path: root/include/asm-cris/arch-v32/io.h
diff options
context:
space:
mode:
Diffstat (limited to 'include/asm-cris/arch-v32/io.h')
-rw-r--r--include/asm-cris/arch-v32/io.h98
1 files changed, 98 insertions, 0 deletions
diff --git a/include/asm-cris/arch-v32/io.h b/include/asm-cris/arch-v32/io.h
new file mode 100644
index 000000000000..4c80263ec634
--- /dev/null
+++ b/include/asm-cris/arch-v32/io.h
@@ -0,0 +1,98 @@
+#ifndef _ASM_ARCH_CRIS_IO_H
+#define _ASM_ARCH_CRIS_IO_H
+
+#include <asm/arch/hwregs/reg_map.h>
+#include <asm/arch/hwregs/reg_rdwr.h>
+#include <asm/arch/hwregs/gio_defs.h>
+#include <linux/config.h>
+
+enum crisv32_io_dir
+{
+ crisv32_io_dir_in = 0,
+ crisv32_io_dir_out = 1
+};
+
+struct crisv32_ioport
+{
+ unsigned long* oe;
+ unsigned long* data;
+ unsigned long* data_in;
+ unsigned int pin_count;
+};
+
+struct crisv32_iopin
+{
+ struct crisv32_ioport* port;
+ int bit;
+};
+
+extern struct crisv32_ioport crisv32_ioports[];
+
+extern struct crisv32_iopin crisv32_led1_green;
+extern struct crisv32_iopin crisv32_led1_red;
+extern struct crisv32_iopin crisv32_led2_green;
+extern struct crisv32_iopin crisv32_led2_red;
+extern struct crisv32_iopin crisv32_led3_green;
+extern struct crisv32_iopin crisv32_led3_red;
+
+extern inline void crisv32_io_set(struct crisv32_iopin* iopin,
+ int val)
+{
+ if (val)
+ *iopin->port->data |= iopin->bit;
+ else
+ *iopin->port->data &= ~iopin->bit;
+}
+
+extern inline void crisv32_io_set_dir(struct crisv32_iopin* iopin,
+ enum crisv32_io_dir dir)
+{
+ if (dir == crisv32_io_dir_in)
+ *iopin->port->oe &= ~iopin->bit;
+ else
+ *iopin->port->oe |= iopin->bit;
+}
+
+extern inline int crisv32_io_rd(struct crisv32_iopin* iopin)
+{
+ return ((*iopin->port->data_in & iopin->bit) ? 1 : 0);
+}
+
+int crisv32_io_get(struct crisv32_iopin* iopin,
+ unsigned int port, unsigned int pin);
+int crisv32_io_get_name(struct crisv32_iopin* iopin,
+ char* name);
+
+#define LED_OFF 0x00
+#define LED_GREEN 0x01
+#define LED_RED 0x02
+#define LED_ORANGE (LED_GREEN | LED_RED)
+
+#define LED_NETWORK_SET(x) \
+ do { \
+ LED_NETWORK_SET_G((x) & LED_GREEN); \
+ LED_NETWORK_SET_R((x) & LED_RED); \
+ } while (0)
+#define LED_ACTIVE_SET(x) \
+ do { \
+ LED_ACTIVE_SET_G((x) & LED_GREEN); \
+ LED_ACTIVE_SET_R((x) & LED_RED); \
+ } while (0)
+
+#define LED_NETWORK_SET_G(x) \
+ crisv32_io_set(&crisv32_led1_green, !(x));
+#define LED_NETWORK_SET_R(x) \
+ crisv32_io_set(&crisv32_led1_red, !(x));
+#define LED_ACTIVE_SET_G(x) \
+ crisv32_io_set(&crisv32_led2_green, !(x));
+#define LED_ACTIVE_SET_R(x) \
+ crisv32_io_set(&crisv32_led2_red, !(x));
+#define LED_DISK_WRITE(x) \
+ do{\
+ crisv32_io_set(&crisv32_led3_green, !(x)); \
+ crisv32_io_set(&crisv32_led3_red, !(x)); \
+ }while(0)
+#define LED_DISK_READ(x) \
+ crisv32_io_set(&crisv32_led3_green, !(x));
+
+#endif