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From 1c2c1413e6777865c037ba3d849da69cf9342b0a Mon Sep 17 00:00:00 2001
From: Daniel Diaz <ddiaz@ti.com>
Date: Thu, 20 Jan 2011 16:21:18 -0600
Subject: [PATCH] Temporary patch to access OMAP 32K timer (not yet exported by the kernel)
Signed-off-by: Daniel Diaz <ddiaz@ti.com>
---
omx/gstomx_camera.c | 2 +-
omx/timer-32k.h | 48 ++++++++++++++++++++++++++++++++++++++++++++++++
2 files changed, 49 insertions(+), 1 deletions(-)
create mode 100644 omx/timer-32k.h
diff --git a/omx/gstomx_camera.c b/omx/gstomx_camera.c
index 8e3983e..eb101fd 100644
--- a/omx/gstomx_camera.c
+++ b/omx/gstomx_camera.c
@@ -34,7 +34,7 @@
#include <stdint.h>
#include <fcntl.h>
#include <sys/ioctl.h>
-#include <linux/timer-32k.h>
+#include "timer-32k.h"
/**
* SECTION:element-omx_camerasrc
diff --git a/omx/timer-32k.h b/omx/timer-32k.h
new file mode 100644
index 0000000..98fc2dc
--- /dev/null
+++ b/omx/timer-32k.h
@@ -0,0 +1,48 @@
+/*
+ * OMAP2/3/4 timer32k driver interface
+ *
+ * Copyright (C) 2010 Texas Instruments, Inc
+ *
+ * This file is subject to the terms and conditions of the GNU General Public
+ * License. See the file "COPYING" in the main directory of this archive
+ * for more details.
+ */
+
+#ifndef __LINUX_TIMER_32_H__
+#define __LINUX_TIMER_32_H__
+
+#include <linux/ioctl.h>
+#define OMAP_32K_READ _IOWR('t', 0, uint32_t)
+#define OMAP_32K_READRAW _IOWR('t', 1, uint32_t)
+
+#ifndef __KERNEL__
+
+#include <stdint.h>
+#include <fcntl.h>
+#include <sys/ioctl.h>
+
+static inline uint32_t __omap_32k_call(int nr)
+{
+ static int fd;
+ if (!fd)
+ fd = open("/dev/timer32k", 0);
+
+ if (fd) {
+ uint32_t t;
+ if (ioctl(fd, nr, &t) >= 0)
+ return t;
+ }
+ return 0;
+}
+static inline uint32_t omap_32k_read(void)
+{
+ return __omap_32k_call(OMAP_32K_READ);
+}
+static inline uint32_t omap_32k_readraw(void)
+{
+ return __omap_32k_call(OMAP_32K_READRAW);
+}
+#endif
+
+#endif /* __LINUX_TIMER_32_H__ */
+
--
1.7.3.4
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