Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net-2.6

[safe/jmp/linux-2.6] / drivers / net / wireless / rt2x00 / rt2x00pci.h

diff --git a/drivers/net/wireless/rt2x00/rt2x00pci.h b/drivers/net/wireless/rt2x00/rt2x00pci.h
index a83f45f..15a1248 100644 (file)
--- a/drivers/net/wireless/rt2x00/rt2x00pci.h
+++ b/drivers/net/wireless/rt2x00/rt2x00pci.h
@@ -1,5 +1,5 @@
 /*
-       Copyright (C) 2004 - 2008 rt2x00 SourceForge Project
+       Copyright (C) 2004 - 2009 rt2x00 SourceForge Project
        <http://rt2x00.serialmonkey.com>
 
        This program is free software; you can redistribute it and/or modify
@@ -44,17 +44,6 @@
 #define REGISTER_BUSY_DELAY    100
 
 /*
- * Descriptor availability flags.
- * All PCI device descriptors have these 2 flags
- * with the exact same definition.
- * By storing them here we can use them inside rt2x00pci
- * for some simple entry availability checking.
- */
-#define TXD_ENTRY_OWNER_NIC    FIELD32(0x00000001)
-#define TXD_ENTRY_VALID                FIELD32(0x00000002)
-#define RXD_ENTRY_OWNER_NIC    FIELD32(0x00000001)
-
-/*
  * Register access.
  */
 static inline void rt2x00pci_register_read(struct rt2x00_dev *rt2x00dev,
@@ -88,6 +77,24 @@ rt2x00pci_register_multiwrite(struct rt2x00_dev *rt2x00dev,
 }
 
 /**
+ * rt2x00pci_regbusy_read - Read from register with busy check
+ * @rt2x00dev: Device pointer, see &struct rt2x00_dev.
+ * @offset: Register offset
+ * @field: Field to check if register is busy
+ * @reg: Pointer to where register contents should be stored
+ *
+ * This function will read the given register, and checks if the
+ * register is busy. If it is, it will sleep for a couple of
+ * microseconds before reading the register again. If the register
+ * is not read after a certain timeout, this function will return
+ * FALSE.
+ */
+int rt2x00pci_regbusy_read(struct rt2x00_dev *rt2x00dev,
+                          const unsigned int offset,
+                          const struct rt2x00_field32 field,
+                          u32 *reg);
+
+/**
  * rt2x00pci_write_tx_data - Initialize data for TX operation
  * @entry: The entry where the frame is located
  *