From ce01805a226328228a885b4a6e4b632b4e73f8ee Mon Sep 17 00:00:00 2001
From: "Luis R. Rodriguez" <lrodriguez@atheros.com>
Date: Thu, 15 Apr 2010 17:39:38 -0400
Subject: [PATCH] ath9k_hw: add LDPC support for AR9003
Signed-off-by: Luis R. Rodriguez <lrodriguez@atheros.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
---
drivers/net/wireless/ath/ath9k/ar9003_mac.c | 3 ++-
drivers/net/wireless/ath/ath9k/hw.c | 2 +-
drivers/net/wireless/ath/ath9k/hw.h | 1 +
drivers/net/wireless/ath/ath9k/mac.h | 2 ++
4 files changed, 6 insertions(+), 2 deletions(-)
diff --git a/drivers/net/wireless/ath/ath9k/ar9003_mac.c b/drivers/net/wireless/ath/ath9k/ar9003_mac.c
index 582c88050664..7d111fbf8bc5 100644
--- a/drivers/net/wireless/ath/ath9k/ar9003_mac.c
+++ b/drivers/net/wireless/ath/ath9k/ar9003_mac.c
@@ -330,7 +330,8 @@ static void ar9003_hw_set11n_txdesc(struct ath_hw *ah, void *ds,
| (flags & ATH9K_TXDESC_EXT_ONLY ? AR_ExtOnly : 0)
| (flags & ATH9K_TXDESC_EXT_AND_CTL ? AR_ExtAndCtl : 0);
- ads->ctl17 = SM(keyType, AR_EncrType);
+ ads->ctl17 = SM(keyType, AR_EncrType) |
+ (flags & ATH9K_TXDESC_LDPC ? AR_LDPC : 0);
ads->ctl18 = 0;
ads->ctl19 = AR_Not_Sounding;
diff --git a/drivers/net/wireless/ath/ath9k/hw.c b/drivers/net/wireless/ath/ath9k/hw.c
index 55f79f5712d4..e07dd1c11dba 100644
--- a/drivers/net/wireless/ath/ath9k/hw.c
+++ b/drivers/net/wireless/ath/ath9k/hw.c
@@ -2088,7 +2088,7 @@ int ath9k_hw_fill_cap_info(struct ath_hw *ah)
}
if (AR_SREV_9300_20_OR_LATER(ah)) {
- pCap->hw_caps |= ATH9K_HW_CAP_EDMA;
+ pCap->hw_caps |= ATH9K_HW_CAP_EDMA | ATH9K_HW_CAP_LDPC;
pCap->rx_hp_qdepth = ATH9K_HW_RX_HP_QDEPTH;
pCap->rx_lp_qdepth = ATH9K_HW_RX_LP_QDEPTH;
pCap->rx_status_len = sizeof(struct ar9003_rxs);
diff --git a/drivers/net/wireless/ath/ath9k/hw.h b/drivers/net/wireless/ath/ath9k/hw.h
index 9d3796a68920..7ce5420966a4 100644
--- a/drivers/net/wireless/ath/ath9k/hw.h
+++ b/drivers/net/wireless/ath/ath9k/hw.h
@@ -179,6 +179,7 @@ enum ath9k_hw_caps {
ATH9K_HW_CAP_4KB_SPLITTRANS = BIT(16),
ATH9K_HW_CAP_EDMA = BIT(17),
ATH9K_HW_CAP_RAC_SUPPORTED = BIT(18),
+ ATH9K_HW_CAP_LDPC = BIT(19),
};
enum ath9k_capability_type {
diff --git a/drivers/net/wireless/ath/ath9k/mac.h b/drivers/net/wireless/ath/ath9k/mac.h
index b591dc27c325..346d84a7b937 100644
--- a/drivers/net/wireless/ath/ath9k/mac.h
+++ b/drivers/net/wireless/ath/ath9k/mac.h
@@ -264,6 +264,7 @@ struct ath_desc {
#define ATH9K_TXDESC_VMF 0x0100
#define ATH9K_TXDESC_FRAG_IS_ON 0x0200
#define ATH9K_TXDESC_LOWRXCHAIN 0x0400
+#define ATH9K_TXDESC_LDPC 0x00010000
#define ATH9K_RXDESC_INTREQ 0x0020
@@ -413,6 +414,7 @@ struct ar5416_desc {
#define AR_EncrType 0x0c000000
#define AR_EncrType_S 26
#define AR_TxCtlRsvd61 0xf0000000
+#define AR_LDPC 0x80000000
#define AR_2040_0 0x00000001
#define AR_GI0 0x00000002
--
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