From 3bb41226e0941b86d58ecb97f7d292677de573c8 Mon Sep 17 00:00:00 2001
From: Daniel Hellstrom <daniel@gaisler.com>
Date: Mon, 23 Feb 2015 13:02:39 +0100
Subject: LEON: added new drivers to the LEON2/LEON3 BSPs

Most drivers use the Driver Manager for device probing, they
work on AMBA-over-PCI systems if PCI is big-endian.

New APIs:
 * GPIO Library, interfaced to GRGPIO
 * GENIRQ, Generic interrupt service implementation helper

New GRLIB Drivers:
 * ACTEL 1553 RT, user interface is similar to 1553 BRM driver
 * GR1553 (1553 BC, RT and BM core)
 * AHBSTAT (AHB error status core)
 * GRADCDAC (Core interfacing to ADC/DAC hardware)
 * GRGPIO (GPIO port accessed from GPIO Library)
 * MCTRL (Memory controller settings configuration)
 * GRETH (10/100/1000 Ethernet driver using Driver manager)
 * GRPWM (Pulse Width Modulation core)
 * SPICTRL (SPI master interface)
 * GRSPW_ROUTER (SpaceWire Router AMBA configuration interface)
 * GRCTM (SpaceCraft on-board Time Management core)
 * SPWCUC (Time distribution over SpaceWire)
 * GRTC (SpaceCraft up-link Tele core)
 * GRTM (SpaceCraft down-link Tele Metry core)

GR712RC ASIC specific interfaces:
 * GRASCS
 * CANMUX (select between OCCAN and SATCAN)
 * SATCAN
 * SLINK
---
 c/src/lib/libbsp/sparc/shared/include/gpiolib.h | 90 +++++++++++++++++++++++++
 1 file changed, 90 insertions(+)
 create mode 100644 c/src/lib/libbsp/sparc/shared/include/gpiolib.h

(limited to 'c/src/lib/libbsp/sparc/shared/include/gpiolib.h')

diff --git a/c/src/lib/libbsp/sparc/shared/include/gpiolib.h b/c/src/lib/libbsp/sparc/shared/include/gpiolib.h
new file mode 100644
index 0000000000..466a131830
--- /dev/null
+++ b/c/src/lib/libbsp/sparc/shared/include/gpiolib.h
@@ -0,0 +1,90 @@
+/*  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.com/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_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
+
+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
-- 
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