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-rw-r--r--bsps/sparc/include/bsp/gpiolib.h94
1 files changed, 94 insertions, 0 deletions
diff --git a/bsps/sparc/include/bsp/gpiolib.h b/bsps/sparc/include/bsp/gpiolib.h
new file mode 100644
index 0000000000..f82d4fa2c2
--- /dev/null
+++ b/bsps/sparc/include/bsp/gpiolib.h
@@ -0,0 +1,94 @@
+/* GPIO Library interface
+ *
+ * COPYRIGHT (c) 2009.
+ * Cobham Gaisler AB.
+ *
+ * The license and distribution terms for this file may be
+ * found in the file LICENSE in this distribution or at
+ * http://www.rtems.org/license/LICENSE.
+ */
+
+#ifndef __GPIOLIB_H__
+#define __GPIOLIB_H__
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+/* GPIO Config of one GPIO port */
+struct gpiolib_config {
+ char mask; /* 0=Masked/1=Unmasked IRQ */
+ char irq_level; /* Edge or Level triggered IRQ */
+ char irq_polarity; /* Polarity of IRQ */
+};
+
+#define GPIOLIB_IRQ_EDGE 0
+#define GPIOLIB_IRQ_LEVEL 1
+
+#define GPIOLIB_IRQ_POL_LOW 0
+#define GPIOLIB_IRQ_POL_HIGH 1
+
+/* Libarary initialize function must be called befor any other */
+extern int gpiolib_initialize(void);
+
+/*** User Interface ***/
+
+extern void *gpiolib_open(int port);
+extern void *gpiolib_open_by_name(char *devName);
+extern void gpiolib_close(void *handle);
+
+/* Show the current status one or all GPIO ports in the system.
+ * Int port is port nunber, if port = -1 selects all ports.
+ *
+ * If port != -1, handle is used to get port.
+ * If port != -1, handle == NULL, then port is used as port number
+ */
+extern void gpiolib_show(int port, void *handle);
+
+extern int gpiolib_set_config(void *handle, struct gpiolib_config *cfg);
+extern int gpiolib_set(void *handle, int dir, int val);
+extern int gpiolib_get(void *handle, int *inval);
+extern int gpiolib_irq_clear(void *handle);
+extern int gpiolib_irq_enable(void *handle);
+extern int gpiolib_irq_disable(void *handle);
+extern int gpiolib_irq_mask(void *handle);
+extern int gpiolib_irq_unmask(void *handle);
+extern int gpiolib_irq_force(void *handle);
+extern int gpiolib_irq_register(void *handle, void *func, void *arg);
+
+/*** Driver Interface ***/
+
+struct gpiolib_info {
+ char devName[64];
+};
+
+struct gpiolib_drv_ops {
+ int (*config)(void *handle, struct gpiolib_config *cfg);
+ int (*get)(void *handle, int *val);
+ int (*irq_opts)(void *handle, unsigned int options);
+ int (*irq_register)(void *handle, void *func, void *arg);
+ int (*open)(void *handle);
+ int (*set)(void *handle, int dir, int outval);
+ int (*show)(void *handle);
+ int (*get_info)(void *handle, struct gpiolib_info *pinfo);
+};
+
+#define GPIOLIB_IRQ_ENABLE 0x01
+#define GPIOLIB_IRQ_DISABLE 0x02
+#define GPIOLIB_IRQ_CLEAR 0x04
+#define GPIOLIB_IRQ_FORCE 0x08
+#define GPIOLIB_IRQ_MASK 0x10
+#define GPIOLIB_IRQ_UNMASK 0x20
+
+struct gpiolib_drv {
+ struct gpiolib_drv_ops *ops;
+};
+
+/* Register a GPIO port */
+extern int gpiolib_drv_register(struct gpiolib_drv *drv, void *handle);
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif