X-Git-Url: http://demsky.eecs.uci.edu/git/?a=blobdiff_plain;f=drivers%2Fstaging%2Fbrcm80211%2Fbrcmsmac%2Fd11.h;h=a9d182f49023450630d8667dd950b5f7d7762b03;hb=8a0939f500aac72e3bc47147c66c2575160a43ca;hp=80a8489b854806e348a52df70572051067ce9bc4;hpb=70dfb584a70adae99ae597a3deb418a8311a0998;p=firefly-linux-kernel-4.4.55.git

diff --git a/drivers/staging/brcm80211/brcmsmac/d11.h b/drivers/staging/brcm80211/brcmsmac/d11.h
index 80a8489b8548..a9d182f49023 100644
--- a/drivers/staging/brcm80211/brcmsmac/d11.h
+++ b/drivers/staging/brcm80211/brcmsmac/d11.h
@@ -59,6 +59,37 @@ typedef volatile struct {
 	u32 intmask;
 } intctrlregs_t;
 
+/* 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;
+
 /* read: 32-bit register that can be read as 32-bit or as 2 16-bit
  * write: only low 16b-it half can be written
  */