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Date: Tue, 12 Mar 2013 22:24:13 -0500
From: Suman Anna <s-anna@...com>
To: Greg Kroah-Hartman <gregkh@...uxfoundation.org>
CC: Linus Walleij <linus.walleij@...aro.org>,
Russell King <linux@....linux.org.uk>,
Arnd Bergmann <arnd@...db.de>,
Tony Lindgren <tony@...mide.com>,
Ohad Ben-Cohen <ohad@...ery.com>,
<linux-kernel@...r.kernel.org>,
<linux-arm-kernel@...ts.infradead.org>,
<linux-omap@...r.kernel.org>,
Omar Ramirez Luna <omar.ramirez@...itl.com>,
Loic Pallardy <loic.pallardy@...com>,
Suman Anna <s-anna@...com>,
Omar Ramirez Luna <omar.luna@...aro.org>
Subject: [PATCHv3 04/14] mailbox: split internal header from API header
From: Omar Ramirez Luna <omar.luna@...aro.org>
Now internal structures can remain hidden to the user and just API
related functions and defines are made available.
Signed-off-by: Omar Ramirez Luna <omar.luna@...aro.org>
Signed-off-by: Linus Walleij <linus.walleij@...aro.org>
---
drivers/mailbox/mailbox.c | 34 ++++++++++++++
drivers/mailbox/mailbox_internal.h | 55 +++++++++++++++++++++++
include/linux/mailbox.h | 90 ++------------------------------------
3 files changed, 93 insertions(+), 86 deletions(-)
diff --git a/drivers/mailbox/mailbox.c b/drivers/mailbox/mailbox.c
index 6c738aa..31303c5 100644
--- a/drivers/mailbox/mailbox.c
+++ b/drivers/mailbox/mailbox.c
@@ -116,6 +116,40 @@ out:
}
EXPORT_SYMBOL(omap_mbox_msg_send);
+void omap_mbox_save_ctx(struct omap_mbox *mbox)
+{
+ if (!mbox->ops->save_ctx) {
+ dev_err(mbox->dev, "%s:\tno save\n", __func__);
+ return;
+ }
+
+ mbox->ops->save_ctx(mbox);
+}
+EXPORT_SYMBOL(omap_mbox_save_ctx);
+
+void omap_mbox_restore_ctx(struct omap_mbox *mbox)
+{
+ if (!mbox->ops->restore_ctx) {
+ dev_err(mbox->dev, "%s:\tno restore\n", __func__);
+ return;
+ }
+
+ mbox->ops->restore_ctx(mbox);
+}
+EXPORT_SYMBOL(omap_mbox_restore_ctx);
+
+void omap_mbox_enable_irq(struct omap_mbox *mbox, omap_mbox_irq_t irq)
+{
+ mbox->ops->enable_irq(mbox, irq);
+}
+EXPORT_SYMBOL(omap_mbox_enable_irq);
+
+void omap_mbox_disable_irq(struct omap_mbox *mbox, omap_mbox_irq_t irq)
+{
+ mbox->ops->disable_irq(mbox, irq);
+}
+EXPORT_SYMBOL(omap_mbox_disable_irq);
+
static void mbox_tx_tasklet(unsigned long tx_data)
{
struct omap_mbox *mbox = (struct omap_mbox *)tx_data;
diff --git a/drivers/mailbox/mailbox_internal.h b/drivers/mailbox/mailbox_internal.h
index b39badb..d8896ca 100644
--- a/drivers/mailbox/mailbox_internal.h
+++ b/drivers/mailbox/mailbox_internal.h
@@ -9,6 +9,61 @@
#ifndef MAILBOX_INTERNAL_H
#define MAILBOX_INTERNAL_H
+#include <linux/device.h>
+#include <linux/interrupt.h>
+#include <linux/kfifo.h>
#include <linux/mailbox.h>
+#include <linux/spinlock.h>
+#include <linux/workqueue.h>
+
+typedef int __bitwise omap_mbox_type_t;
+#define OMAP_MBOX_TYPE1 ((__force omap_mbox_type_t) 1)
+#define OMAP_MBOX_TYPE2 ((__force omap_mbox_type_t) 2)
+
+struct omap_mbox_ops {
+ omap_mbox_type_t type;
+ int (*startup)(struct omap_mbox *mbox);
+ void (*shutdown)(struct omap_mbox *mbox);
+ /* fifo */
+ mbox_msg_t (*fifo_read)(struct omap_mbox *mbox);
+ void (*fifo_write)(struct omap_mbox *mbox, mbox_msg_t msg);
+ int (*fifo_empty)(struct omap_mbox *mbox);
+ int (*fifo_full)(struct omap_mbox *mbox);
+ /* irq */
+ void (*enable_irq)(struct omap_mbox *mbox,
+ omap_mbox_irq_t irq);
+ void (*disable_irq)(struct omap_mbox *mbox,
+ omap_mbox_irq_t irq);
+ void (*ack_irq)(struct omap_mbox *mbox, omap_mbox_irq_t irq);
+ int (*is_irq)(struct omap_mbox *mbox, omap_mbox_irq_t irq);
+ /* ctx */
+ void (*save_ctx)(struct omap_mbox *mbox);
+ void (*restore_ctx)(struct omap_mbox *mbox);
+};
+
+struct omap_mbox_queue {
+ spinlock_t lock;
+ struct kfifo fifo;
+ struct work_struct work;
+ struct tasklet_struct tasklet;
+ struct omap_mbox *mbox;
+ bool full;
+};
+
+struct omap_mbox {
+ const char *name;
+ unsigned int irq;
+ struct omap_mbox_queue *txq, *rxq;
+ struct omap_mbox_ops *ops;
+ struct device *dev;
+ void *priv;
+ int use_count;
+ struct blocking_notifier_head notifier;
+};
+
+void omap_mbox_init_seq(struct omap_mbox *);
+
+int omap_mbox_register(struct device *parent, struct omap_mbox **);
+int omap_mbox_unregister(void);
#endif /* MAILBOX_INTERNAL_H */
diff --git a/include/linux/mailbox.h b/include/linux/mailbox.h
index 5722b93..e97824e 100644
--- a/include/linux/mailbox.h
+++ b/include/linux/mailbox.h
@@ -9,12 +9,6 @@
#ifndef MAILBOX_H
#define MAILBOX_H
-#include <linux/spinlock.h>
-#include <linux/workqueue.h>
-#include <linux/interrupt.h>
-#include <linux/device.h>
-#include <linux/kfifo.h>
-
typedef u32 mbox_msg_t;
struct omap_mbox;
@@ -22,90 +16,14 @@ typedef int __bitwise omap_mbox_irq_t;
#define IRQ_TX ((__force omap_mbox_irq_t) 1)
#define IRQ_RX ((__force omap_mbox_irq_t) 2)
-typedef int __bitwise omap_mbox_type_t;
-#define OMAP_MBOX_TYPE1 ((__force omap_mbox_type_t) 1)
-#define OMAP_MBOX_TYPE2 ((__force omap_mbox_type_t) 2)
-
-struct omap_mbox_ops {
- omap_mbox_type_t type;
- int (*startup)(struct omap_mbox *mbox);
- void (*shutdown)(struct omap_mbox *mbox);
- /* fifo */
- mbox_msg_t (*fifo_read)(struct omap_mbox *mbox);
- void (*fifo_write)(struct omap_mbox *mbox, mbox_msg_t msg);
- int (*fifo_empty)(struct omap_mbox *mbox);
- int (*fifo_full)(struct omap_mbox *mbox);
- /* irq */
- void (*enable_irq)(struct omap_mbox *mbox,
- omap_mbox_irq_t irq);
- void (*disable_irq)(struct omap_mbox *mbox,
- omap_mbox_irq_t irq);
- void (*ack_irq)(struct omap_mbox *mbox, omap_mbox_irq_t irq);
- int (*is_irq)(struct omap_mbox *mbox, omap_mbox_irq_t irq);
- /* ctx */
- void (*save_ctx)(struct omap_mbox *mbox);
- void (*restore_ctx)(struct omap_mbox *mbox);
-};
-
-struct omap_mbox_queue {
- spinlock_t lock;
- struct kfifo fifo;
- struct work_struct work;
- struct tasklet_struct tasklet;
- struct omap_mbox *mbox;
- bool full;
-};
-
-struct omap_mbox {
- const char *name;
- unsigned int irq;
- struct omap_mbox_queue *txq, *rxq;
- struct omap_mbox_ops *ops;
- struct device *dev;
- void *priv;
- int use_count;
- struct blocking_notifier_head notifier;
-};
-
int omap_mbox_msg_send(struct omap_mbox *, mbox_msg_t msg);
-void omap_mbox_init_seq(struct omap_mbox *);
struct omap_mbox *omap_mbox_get(const char *, struct notifier_block *nb);
void omap_mbox_put(struct omap_mbox *mbox, struct notifier_block *nb);
-int omap_mbox_register(struct device *parent, struct omap_mbox **);
-int omap_mbox_unregister(void);
-
-static inline void omap_mbox_save_ctx(struct omap_mbox *mbox)
-{
- if (!mbox->ops->save_ctx) {
- dev_err(mbox->dev, "%s:\tno save\n", __func__);
- return;
- }
-
- mbox->ops->save_ctx(mbox);
-}
-
-static inline void omap_mbox_restore_ctx(struct omap_mbox *mbox)
-{
- if (!mbox->ops->restore_ctx) {
- dev_err(mbox->dev, "%s:\tno restore\n", __func__);
- return;
- }
-
- mbox->ops->restore_ctx(mbox);
-}
-
-static inline void omap_mbox_enable_irq(struct omap_mbox *mbox,
- omap_mbox_irq_t irq)
-{
- mbox->ops->enable_irq(mbox, irq);
-}
-
-static inline void omap_mbox_disable_irq(struct omap_mbox *mbox,
- omap_mbox_irq_t irq)
-{
- mbox->ops->disable_irq(mbox, irq);
-}
+void omap_mbox_save_ctx(struct omap_mbox *mbox);
+void omap_mbox_restore_ctx(struct omap_mbox *mbox);
+void omap_mbox_enable_irq(struct omap_mbox *mbox, omap_mbox_irq_t irq);
+void omap_mbox_disable_irq(struct omap_mbox *mbox, omap_mbox_irq_t irq);
#endif /* MAILBOX_H */
--
1.8.1.2
--
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