Merge branch 'master' into tk71

[mv-sheeva.git] / drivers / staging / brcm80211 / include / sbhndpio.h

diff --git a/drivers/staging/brcm80211/include/sbhndpio.h b/drivers/staging/brcm80211/include/sbhndpio.h
new file mode 100644 (file)
index 0000000..9eabdb5
--- /dev/null
+++ b/drivers/staging/brcm80211/include/sbhndpio.h
@@ -0,0 +1,52 @@
+/*
+ * Copyright (c) 2010 Broadcom Corporation
+ *
+ * Permission to use, copy, modify, and/or distribute this software for any
+ * purpose with or without fee is hereby granted, provided that the above
+ * copyright notice and this permission notice appear in all copies.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
+ * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
+ * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY
+ * SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
+ * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION
+ * OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN
+ * CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
+ */
+
+#ifndef        _sbhndpio_h_
+#define        _sbhndpio_h_
+
+/* PIO structure,
+ *  support two PIO format: 2 bytes access and 4 bytes access
+ *  basic FIFO register set is per channel(transmit or receive)
+ *  a pair of channels is defined for convenience
+ */
+
+/* 2byte-wide pio register set per channel(xmt or rcv) */
+typedef volatile struct {
+       u16 fifocontrol;
+       u16 fifodata;
+       u16 fifofree;   /* only valid in xmt channel, not in rcv channel */
+       u16 PAD;
+} pio2regs_t;
+
+/* a pair of pio channels(tx and rx) */
+typedef volatile struct {
+       pio2regs_t tx;
+       pio2regs_t rx;
+} pio2regp_t;
+
+/* 4byte-wide pio register set per channel(xmt or rcv) */
+typedef volatile struct {
+       u32 fifocontrol;
+       u32 fifodata;
+} pio4regs_t;
+
+/* a pair of pio channels(tx and rx) */
+typedef volatile struct {
+       pio4regs_t tx;
+       pio4regs_t rx;
+} pio4regp_t;
+
+#endif                         /* _sbhndpio_h_ */