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authorHiroshi DOYU <Hiroshi.DOYU@nokia.com>2009-03-23 18:07:26 -0700
committerTony Lindgren <tony@atomide.com>2009-03-23 18:07:26 -0700
commit9ae0ee0076d51d9017e89004643825a67d852910 (patch)
tree7a51c4f51beb00999ffd68e2f8682a0d73f98509 /arch/arm/plat-omap/mailbox.c
parentc75ee7520b4ad48a6948f51ca43b2e46ebd3696a (diff)
omap mailbox: move mailbox.h into mailbox.c
no need to keep mailbox.h separately. Signed-off-by: Hiroshi DOYU <Hiroshi.DOYU@nokia.com>
Diffstat (limited to 'arch/arm/plat-omap/mailbox.c')
-rw-r--r--arch/arm/plat-omap/mailbox.c86
1 files changed, 85 insertions, 1 deletions
diff --git a/arch/arm/plat-omap/mailbox.c b/arch/arm/plat-omap/mailbox.c
index 75ede474d84..fcac60dedc8 100644
--- a/arch/arm/plat-omap/mailbox.c
+++ b/arch/arm/plat-omap/mailbox.c
@@ -31,11 +31,95 @@
#include <linux/delay.h>
#include <linux/io.h>
#include <mach/mailbox.h>
-#include "mailbox.h"
static struct omap_mbox *mboxes;
static DEFINE_RWLOCK(mboxes_lock);
+/*
+ * Mailbox sequence bit API
+ */
+#if defined(CONFIG_ARCH_OMAP1)
+# define MBOX_USE_SEQ_BIT
+#elif defined(CONFIG_ARCH_OMAP2)
+# define MBOX_USE_SEQ_BIT
+#endif
+
+#ifdef MBOX_USE_SEQ_BIT
+/* seq_rcv should be initialized with any value other than
+ * 0 and 1 << 31, to allow either value for the first
+ * message. */
+static inline void mbox_seq_init(struct omap_mbox *mbox)
+{
+ /* any value other than 0 and 1 << 31 */
+ mbox->seq_rcv = 0xffffffff;
+}
+
+static inline void mbox_seq_toggle(struct omap_mbox *mbox, mbox_msg_t * msg)
+{
+ /* add seq_snd to msg */
+ *msg = (*msg & 0x7fffffff) | mbox->seq_snd;
+ /* flip seq_snd */
+ mbox->seq_snd ^= 1 << 31;
+}
+
+static inline int mbox_seq_test(struct omap_mbox *mbox, mbox_msg_t msg)
+{
+ mbox_msg_t seq = msg & (1 << 31);
+ if (seq == mbox->seq_rcv)
+ return -1;
+ mbox->seq_rcv = seq;
+ return 0;
+}
+#else
+static inline void mbox_seq_init(struct omap_mbox *mbox)
+{
+}
+static inline void mbox_seq_toggle(struct omap_mbox *mbox, mbox_msg_t * msg)
+{
+}
+static inline int mbox_seq_test(struct omap_mbox *mbox, mbox_msg_t msg)
+{
+ return 0;
+}
+#endif
+
+/* Mailbox FIFO handle functions */
+static inline mbox_msg_t mbox_fifo_read(struct omap_mbox *mbox)
+{
+ return mbox->ops->fifo_read(mbox);
+}
+static inline void mbox_fifo_write(struct omap_mbox *mbox, mbox_msg_t msg)
+{
+ mbox->ops->fifo_write(mbox, msg);
+}
+static inline int mbox_fifo_empty(struct omap_mbox *mbox)
+{
+ return mbox->ops->fifo_empty(mbox);
+}
+static inline int mbox_fifo_full(struct omap_mbox *mbox)
+{
+ return mbox->ops->fifo_full(mbox);
+}
+
+/* Mailbox IRQ handle functions */
+static inline void enable_mbox_irq(struct omap_mbox *mbox, omap_mbox_irq_t irq)
+{
+ mbox->ops->enable_irq(mbox, irq);
+}
+static inline void disable_mbox_irq(struct omap_mbox *mbox, omap_mbox_irq_t irq)
+{
+ mbox->ops->disable_irq(mbox, irq);
+}
+static inline void ack_mbox_irq(struct omap_mbox *mbox, omap_mbox_irq_t irq)
+{
+ if (mbox->ops->ack_irq)
+ mbox->ops->ack_irq(mbox, irq);
+}
+static inline int is_mbox_irq(struct omap_mbox *mbox, omap_mbox_irq_t irq)
+{
+ return mbox->ops->is_irq(mbox, irq);
+}
+
/* Mailbox Sequence Bit function */
void omap_mbox_init_seq(struct omap_mbox *mbox)
{