summaryrefslogtreecommitdiff
path: root/drivers
diff options
context:
space:
mode:
authorMohammed Shafi Shajakhan <mohammed@qca.qualcomm.com>2012-07-10 13:25:54 +0400
committerJohn W. Linville <linville@tuxdriver.com>2012-07-12 23:27:16 +0400
commit3b604b6cf811ba14e4c2bb3005e29bb2fba77af0 (patch)
treef97218421b12481a1d26d121be3af7eac5e46e87 /drivers
parent9f11e16edc6ee50e69fd32f0fdb75e520e55debb (diff)
downloadlinux-3b604b6cf811ba14e4c2bb3005e29bb2fba77af0.tar.xz
ath9k_hw: INI changes for WoW for AR9002 chipsets
for AR9002 family of chipsets and for WoW sleep, we reprogram the SerDes so that the PLL and CHK REQ are both enabled. this uses more power but in certain cases this is required as otherwise WoW sleep is unstable and chip may disappear. Cc: Senthil Balasubramanian <senthilb@qca.qualcomm.com> Cc: Rajkumar Manoharan <rmanohar@qca.qualcomm.com> Cc: vadivel@qca.qualcomm.com Signed-off-by: Luis R. Rodriguez <mcgrof@qca.qualcomm.com> Signed-off-by: Mohammed Shafi Shajakhan <mohammed@qca.qualcomm.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
Diffstat (limited to 'drivers')
-rw-r--r--drivers/net/wireless/ath/ath9k/ar9002_hw.c5
-rw-r--r--drivers/net/wireless/ath/ath9k/ar9002_initvals.h14
-rw-r--r--drivers/net/wireless/ath/ath9k/hw.h3
3 files changed, 22 insertions, 0 deletions
diff --git a/drivers/net/wireless/ath/ath9k/ar9002_hw.c b/drivers/net/wireless/ath/ath9k/ar9002_hw.c
index edf21ea4fe93..0e6ee60aed00 100644
--- a/drivers/net/wireless/ath/ath9k/ar9002_hw.c
+++ b/drivers/net/wireless/ath/ath9k/ar9002_hw.c
@@ -43,6 +43,11 @@ static void ar9002_hw_init_mode_regs(struct ath_hw *ah)
INIT_INI_ARRAY(&ah->iniPcieSerdes,
ar9280PciePhy_clkreq_always_on_L1_9280,
ARRAY_SIZE(ar9280PciePhy_clkreq_always_on_L1_9280), 2);
+#ifdef CONFIG_PM_SLEEP
+ INIT_INI_ARRAY(&ah->iniPcieSerdesWow,
+ ar9280PciePhy_awow,
+ ARRAY_SIZE(ar9280PciePhy_awow), 2);
+#endif
if (AR_SREV_9287_11_OR_LATER(ah)) {
INIT_INI_ARRAY(&ah->iniModes, ar9287Modes_9287_1_1,
diff --git a/drivers/net/wireless/ath/ath9k/ar9002_initvals.h b/drivers/net/wireless/ath/ath9k/ar9002_initvals.h
index 4d18c66a6790..beb6162cf97c 100644
--- a/drivers/net/wireless/ath/ath9k/ar9002_initvals.h
+++ b/drivers/net/wireless/ath/ath9k/ar9002_initvals.h
@@ -925,6 +925,20 @@ static const u32 ar9280PciePhy_clkreq_always_on_L1_9280[][2] = {
{0x00004044, 0x00000000},
};
+static const u32 ar9280PciePhy_awow[][2] = {
+ /* Addr allmodes */
+ {0x00004040, 0x9248fd00},
+ {0x00004040, 0x24924924},
+ {0x00004040, 0xa8000019},
+ {0x00004040, 0x13160820},
+ {0x00004040, 0xe5980560},
+ {0x00004040, 0xc01dcffd},
+ {0x00004040, 0x1aaabe41},
+ {0x00004040, 0xbe105554},
+ {0x00004040, 0x00043007},
+ {0x00004044, 0x00000000},
+};
+
static const u32 ar9285Modes_9285_1_2[][5] = {
/* Addr 5G_HT20 5G_HT40 2G_HT40 2G_HT20 */
{0x00001030, 0x00000230, 0x00000460, 0x000002c0, 0x00000160},
diff --git a/drivers/net/wireless/ath/ath9k/hw.h b/drivers/net/wireless/ath/ath9k/hw.h
index 09f6c0760170..51589fd8a3ed 100644
--- a/drivers/net/wireless/ath/ath9k/hw.h
+++ b/drivers/net/wireless/ath/ath9k/hw.h
@@ -860,6 +860,9 @@ struct ath_hw {
struct ar5416IniArray iniBank7;
struct ar5416IniArray iniAddac;
struct ar5416IniArray iniPcieSerdes;
+#ifdef CONFIG_PM_SLEEP
+ struct ar5416IniArray iniPcieSerdesWow;
+#endif
struct ar5416IniArray iniPcieSerdesLowPower;
struct ar5416IniArray iniModesFastClock;
struct ar5416IniArray iniAdditional;