omap mailbox: move mailbox.h into mailbox.c

[linux-2.6-omap-h63xx.git] / arch / arm / plat-omap / mailbox.c

diff --git a/arch/arm/plat-omap/mailbox.c b/arch/arm/plat-omap/mailbox.c
index d3638ad393f3c3b433acba8c94536eeee3ed7334..2f1adf37fa0d2ee6515ee7b88f3579c7f17f1d0f 100644 (file)
--- a/arch/arm/plat-omap/mailbox.c
+++ b/arch/arm/plat-omap/mailbox.c
@@ -31,11 +31,95 @@
 #include <linux/delay.h>
 #include <asm/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)
 {