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Message-Id: <1265395980-16029-1-git-send-email-mark.a.allyn@intel.com>
Date: Fri, 5 Feb 2010 10:53:00 -0800
From: Mark Allyn <mark.a.allyn@...el.com>
To: linux-kernel@...r.kernel.org, alan@...ux.intel.com,
charles.f.johnson@...el.com, greg@...ah.com
Cc: Mark Allyn <mark.a.allyn@...el.com>
Subject: [PATCH 4/6] staging:rar_register: fix checkpatch errors and debug header file
Signed-off-by: Mark Allyn <mark.a.allyn@...el.com>
---
drivers/staging/rar_register/rar_register.h | 115 +++++++++++++--------------
1 files changed, 55 insertions(+), 60 deletions(-)
diff --git a/drivers/staging/rar_register/rar_register.h b/drivers/staging/rar_register/rar_register.h
index 4172fbf..29ade0f 100644
--- a/drivers/staging/rar_register/rar_register.h
+++ b/drivers/staging/rar_register/rar_register.h
@@ -1,9 +1,53 @@
-/* === RAR Physical Addresses === */
-struct RAR_address_struct {
- u32 low;
- u32 high;
+/*
+ * Copyright (C) 2010 Intel Corporation. All rights reserved.
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of version 2 of the GNU General
+ * Public License as published by the Free Software Foundation.
+ *
+ * This program is distributed in the hope that it will be
+ * useful, but WITHOUT ANY WARRANTY; without even the implied
+ * warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR
+ * PURPOSE. See the GNU General Public License for more details.
+ * 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., 59 Temple Place - Suite 330,
+ * Boston, MA 02111-1307, USA.
+ * The full GNU General Public License is included in this
+ * distribution in the file called COPYING.
+ */
+
+
+#ifndef _RAR_REGISTER_H
+#define _RAR_REGISTER_H
+
+# include <linux/types.h>
+
+/* following are used both in drivers as well as user space apps */
+enum RAR_type {
+ RAR_TYPE_VIDEO = 0,
+ RAR_TYPE_AUDIO,
+ RAR_TYPE_IMAGE,
+ RAR_TYPE_DATA
};
+#ifdef __KERNEL__
+
+/* PCI device id for controller */
+#define PCI_RAR_DEVICE_ID 0x4110
+
+/* The register_rar function is to used by other device drivers
+ * to ensure that this driver is ready. As we cannot be sure of
+ * the compile/execute order of dirvers in ther kernel, it is
+ * best to give this driver a callback function to call when
+ * it is ready to give out addresses. The callback function
+ * would have those steps that continue the initialization of
+ * a driver that do require a valid RAR address. One of those
+ * steps would be to call get_rar_address()
+ * This function return 0 on success an -1 on failure.
+ */
+int register_rar(int (*callback)(void *yourparameter), void *yourparameter);
+
/* The get_rar_address function is used by other device drivers
* to obtain RAR address information on a RAR. It takes two
* parameter:
@@ -19,10 +63,11 @@ struct RAR_address_struct {
* The function returns a 0 upon success or a -1 if there is no RAR
* facility on this system.
*/
-int get_rar_address(int rar_index, struct RAR_address_struct *addresses);
-
+int rar_get_address(int rar_index,
+ dma_addr_t *start_address,
+ dma_addr_t *end_address);
-/* The lock_rar function is used by other device drivers to lock an RAR.
+/* The lock_rar function is ued by other device drivers to lock an RAR.
* once an RAR is locked, it stays locked until the next system reboot.
* The function takes one parameter:
*
@@ -33,57 +78,7 @@ int get_rar_address(int rar_index, struct RAR_address_struct *addresses);
* The function returns a 0 upon success or a -1 if there is no RAR
* facility on this system.
*/
-int lock_rar(int rar_index);
-
-
-/* DEBUG LEVEL MASKS */
-#define RAR_DEBUG_LEVEL_BASIC 0x1
-
-#define RAR_DEBUG_LEVEL_REGISTERS 0x2
-
-#define RAR_DEBUG_LEVEL_EXTENDED 0x4
-
-#define DEBUG_LEVEL 0x7
-
-/* FUNCTIONAL MACROS */
-
-/* debug macro without paramaters */
-#define DEBUG_PRINT_0(DEBUG_LEVEL , info) \
-do { \
- if (DEBUG_LEVEL) { \
- printk(KERN_WARNING info); \
- } \
-} while (0)
-
-/* debug macro with 1 paramater */
-#define DEBUG_PRINT_1(DEBUG_LEVEL , info , param1) \
-do { \
- if (DEBUG_LEVEL) { \
- printk(KERN_WARNING info , param1); \
- } \
-} while (0)
-
-/* debug macro with 2 paramaters */
-#define DEBUG_PRINT_2(DEBUG_LEVEL , info , param1, param2) \
-do { \
- if (DEBUG_LEVEL) { \
- printk(KERN_WARNING info , param1, param2); \
- } \
-} while (0)
-
-/* debug macro with 3 paramaters */
-#define DEBUG_PRINT_3(DEBUG_LEVEL , info , param1, param2 , param3) \
-do { \
- if (DEBUG_LEVEL) { \
- printk(KERN_WARNING info , param1, param2 , param3); \
- } \
-} while (0)
-
-/* debug macro with 4 paramaters */
-#define DEBUG_PRINT_4(DEBUG_LEVEL , info , param1, param2 , param3 , param4) \
-do { \
- if (DEBUG_LEVEL) { \
- printk(KERN_WARNING info , param1, param2 , param3 , param4); \
- } \
-} while (0)
+int rar_lock(int rar_index);
+#endif /* __KERNEL__ */
+#endif /* _RAR_REGISTER_H */
--
1.6.0.6
--
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