Return-path: Received: from wolverine01.qualcomm.com ([199.106.114.254]:60120 "EHLO wolverine01.qualcomm.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1759251Ab2DJPPL (ORCPT ); Tue, 10 Apr 2012 11:15:11 -0400 Cc: , Rodriguez Luis , , Mohammed Shafi Shajakhan , "Luis R. Rodriguez" From: Mohammed Shafi Shajakhan To: "John W. Linville" Subject: [WIP 06/11] ath9k_hw: INI changes for WoW for AR9002 chipsets Date: Tue, 10 Apr 2012 20:43:16 +0530 Message-ID: <1334070801-21708-7-git-send-email-mohammed@qca.qualcomm.com> (sfid-20120410_171521_522228_8C6AB867) In-Reply-To: <1334070801-21708-1-git-send-email-mohammed@qca.qualcomm.com> References: <1334070801-21708-1-git-send-email-mohammed@qca.qualcomm.com> MIME-Version: 1.0 Content-Type: text/plain Sender: linux-wireless-owner@vger.kernel.org List-ID: From: Mohammed Shafi Shajakhan 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. Signed-off-by: Luis R. Rodriguez Signed-off-by: Mohammed Shafi Shajakhan --- drivers/net/wireless/ath/ath9k/ar9002_hw.c | 5 +++++ drivers/net/wireless/ath/ath9k/ar9002_initvals.h | 14 ++++++++++++++ drivers/net/wireless/ath/ath9k/hw.h | 3 +++ 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 d9a69fc..65b604a 100644 --- a/drivers/net/wireless/ath/ath9k/ar9002_hw.c +++ b/drivers/net/wireless/ath/ath9k/ar9002_hw.c @@ -47,6 +47,11 @@ 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 4d18c66..beb6162 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 ce97b1e..ca770e4 100644 --- a/drivers/net/wireless/ath/ath9k/hw.h +++ b/drivers/net/wireless/ath/ath9k/hw.h @@ -862,6 +862,9 @@ 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; -- 1.7.0.4