1 files changed, 92 insertions, 0 deletions

diff --git a/include/asm-arm/arch-omap/dmtimer.h b/include/asm-arm/arch-omap/dmtimer.h
new file mode 100644
index 000000000000..11772c792f3e
--- /dev/null
+++ b/include/asm-arm/arch-omap/dmtimer.h
@@ -0,0 +1,92 @@
+/*
+ * linux/include/asm-arm/arm/arch-omap/dmtimer.h
+ *
+ * OMAP Dual-Mode Timers
+ *
+ * Copyright (C) 2005 Nokia Corporation
+ * Author: Lauri Leukkunen <lauri.leukkunen@nokia.com>
+ *
+ * This program is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License as published by the
+ * Free Software Foundation; either version 2 of the License, or (at your
+ * option) any later version.
+ *
+ * THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESS OR IMPLIED
+ * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
+ * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN
+ * NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
+ * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
+ * ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+ * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
+ * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ *
+ * You should have received a copy of the  GNU General Public License along
+ * with this program; if not, write  to the Free Software Foundation, Inc.,
+ * 675 Mass Ave, Cambridge, MA 02139, USA.
+ */
+
+#ifndef __ASM_ARCH_TIMER_H
+#define __ASM_ARCH_TIMER_H
+
+#include <linux/list.h>
+
+#define OMAP_TIMER_SRC_ARMXOR           0x00
+#define OMAP_TIMER_SRC_32_KHZ           0x01
+#define OMAP_TIMER_SRC_EXT_CLK          0x02
+
+/* timer control reg bits */
+#define OMAP_TIMER_CTRL_CAPTMODE        (1 << 13)
+#define OMAP_TIMER_CTRL_PT              (1 << 12)
+#define OMAP_TIMER_CTRL_TRG_OVERFLOW    (0x1 << 10)
+#define OMAP_TIMER_CTRL_TRG_OFANDMATCH  (0x2 << 10)
+#define OMAP_TIMER_CTRL_TCM_LOWTOHIGH   (0x1 << 8)
+#define OMAP_TIMER_CTRL_TCM_HIGHTOLOW   (0x2 << 8)
+#define OMAP_TIMER_CTRL_TCM_BOTHEDGES   (0x3 << 8)
+#define OMAP_TIMER_CTRL_SCPWM           (1 << 7)
+#define OMAP_TIMER_CTRL_CE              (1 << 6)        /* compare enable */
+#define OMAP_TIMER_CTRL_PRE             (1 << 5)        /* prescaler enable */
+#define OMAP_TIMER_CTRL_PTV_SHIFT       2               /* how much to shift the prescaler value */
+#define OMAP_TIMER_CTRL_AR              (1 << 1)        /* auto-reload enable */
+#define OMAP_TIMER_CTRL_ST              (1 << 0)        /* start timer */
+
+/* timer interrupt enable bits */
+#define OMAP_TIMER_INT_CAPTURE          (1 << 2)
+#define OMAP_TIMER_INT_OVERFLOW         (1 << 1)
+#define OMAP_TIMER_INT_MATCH            (1 << 0)
+
+
+struct omap_dm_timer {
+        struct list_head timer_list;
+
+        u32 base;
+        unsigned int irq;
+};
+
+u32 omap_dm_timer_read_reg(struct omap_dm_timer *timer, int reg);
+void omap_dm_timer_write_reg(struct omap_dm_timer *timer, int reg, u32 value);
+
+struct omap_dm_timer * omap_dm_timer_request(void);
+void omap_dm_timer_free(struct omap_dm_timer *timer);
+void omap_dm_timer_set_source(struct omap_dm_timer *timer, int source);
+
+void omap_dm_timer_set_int_enable(struct omap_dm_timer *timer, unsigned int value);
+void omap_dm_timer_set_trigger(struct omap_dm_timer *timer, unsigned int value);
+void omap_dm_timer_enable_compare(struct omap_dm_timer *timer);
+void omap_dm_timer_enable_autoreload(struct omap_dm_timer *timer);
+
+void omap_dm_timer_trigger(struct omap_dm_timer *timer);
+void omap_dm_timer_start(struct omap_dm_timer *timer);
+void omap_dm_timer_stop(struct omap_dm_timer *timer);
+
+void omap_dm_timer_set_load(struct omap_dm_timer *timer, unsigned int load);
+void omap_dm_timer_set_match(struct omap_dm_timer *timer, unsigned int match);
+
+unsigned int omap_dm_timer_read_status(struct omap_dm_timer *timer);
+void omap_dm_timer_write_status(struct omap_dm_timer *timer, unsigned int value);
+
+unsigned int omap_dm_timer_read_counter(struct omap_dm_timer *timer);
+void omap_dm_timer_reset_counter(struct omap_dm_timer *timer);
+
+int omap_dm_timers_active(void);
+
+#endif /* __ASM_ARCH_TIMER_H */