ath9k_hw: Add few routines for rx edma support

* Set rx buf size in register 0x60
* Set rxdp on the respective hw rx queue (HP and LP queues)
* Process rx descriptor

Signed-off-by: Vasanthakumar Thiagarajan <vasanth@atheros.com>
Signed-off-by: Felix Fietkau <nbd@openwrt.org>
Signed-off-by: John W. Linville <linville@tuxdriver.com>

1 files changed, 12 insertions, 0 deletions

diff --git a/drivers/net/wireless/ath/ath9k/ar9003_mac.h b/drivers/net/wireless/ath/ath9k/ar9003_mac.h
index 2a9d80e9e0c7..b22f78c320c5 100644
--- a/drivers/net/wireless/ath/ath9k/ar9003_mac.h
+++ b/drivers/net/wireless/ath/ath9k/ar9003_mac.h
@@ -17,6 +17,11 @@
 #ifndef AR9003_MAC_H
 #define AR9003_MAC_H
 
+#define AR_DescId       0xffff0000
+#define AR_DescId_S     16
+#define AR_CtrlStat     0x00004000
+#define AR_TxRxDesc     0x00008000
+
 struct ar9003_rxs {
         u32 ds_info;
         u32 status1;
@@ -33,5 +38,12 @@ struct ar9003_rxs {
 } __packed;
 
 void ar9003_hw_attach_mac_ops(struct ath_hw *hw);
+void ath9k_hw_set_rx_bufsize(struct ath_hw *ah, u16 buf_size);
+void ath9k_hw_addrxbuf_edma(struct ath_hw *ah, u32 rxdp,
+                            enum ath9k_rx_qtype qtype);
+
+int ath9k_hw_process_rxdesc_edma(struct ath_hw *ah,
+                                 struct ath_rx_status *rxs,
+                                 void *buf_addr);
 
 #endif