|
@@ -1,100 +0,0 @@
|
|
|
-/*
|
|
|
- * Mailbox internal functions
|
|
|
- *
|
|
|
- * Copyright (C) 2006 Nokia Corporation
|
|
|
- * Written by: Hiroshi DOYU <Hiroshi.DOYU@nokia.com>
|
|
|
- *
|
|
|
- * 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 __ARCH_ARM_PLAT_MAILBOX_H
|
|
|
-#define __ARCH_ARM_PLAT_MAILBOX_H
|
|
|
-
|
|
|
-/*
|
|
|
- * 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);
|
|
|
-}
|
|
|
-
|
|
|
-#endif /* __ARCH_ARM_PLAT_MAILBOX_H */
|