ath9k_hw: add the config_pci_powersave AR9003 callback
Signed-off-by: Luis R. Rodriguez <lrodriguez@atheros.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
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@ -2594,6 +2594,37 @@ enum ath9k_int ath9k_hw_set_interrupts(struct ath_hw *ah, enum ath9k_int ints)
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}
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}
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EXPORT_SYMBOL(ath9k_hw_set_interrupts);
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EXPORT_SYMBOL(ath9k_hw_set_interrupts);
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/*
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* Helper for ASPM support.
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*
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* Disable PLL when in L0s as well as receiver clock when in L1.
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* This power saving option must be enabled through the SerDes.
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*
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* Programming the SerDes must go through the same 288 bit serial shift
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* register as the other analog registers. Hence the 9 writes.
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*/
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static void ar9003_hw_configpcipowersave(struct ath_hw *ah,
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int restore,
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int power_off)
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{
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if (ah->is_pciexpress != true)
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return;
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/* Do not touch SerDes registers */
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if (ah->config.pcie_powersave_enable == 2)
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return;
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/* Nothing to do on restore for 11N */
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if (!restore) {
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/* set bit 19 to allow forcing of pcie core into L1 state */
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REG_SET_BIT(ah, AR_PCIE_PM_CTRL, AR_PCIE_PM_CTRL_ENA);
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/* Several PCIe massages to ensure proper behaviour */
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if (ah->config.pcie_waen)
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REG_WRITE(ah, AR_WA, ah->config.pcie_waen);
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}
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}
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/*******************/
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/*******************/
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/* Beacon Handling */
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/* Beacon Handling */
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/*******************/
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/*******************/
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@ -3628,10 +3659,13 @@ static void ar9002_hw_attach_ops(struct ath_hw *ah)
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static void ar9003_hw_attach_ops(struct ath_hw *ah)
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static void ar9003_hw_attach_ops(struct ath_hw *ah)
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{
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{
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struct ath_hw_private_ops *priv_ops = ath9k_hw_private_ops(ah);
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struct ath_hw_private_ops *priv_ops = ath9k_hw_private_ops(ah);
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struct ath_hw_ops *ops = ath9k_hw_ops(ah);
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priv_ops->init_mode_regs = ar9003_hw_init_mode_regs;
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priv_ops->init_mode_regs = ar9003_hw_init_mode_regs;
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priv_ops->macversion_supported = ar9003_hw_macversion_supported;
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priv_ops->macversion_supported = ar9003_hw_macversion_supported;
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ops->config_pci_powersave = ar9003_hw_configpcipowersave;
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ar9003_hw_attach_phy_ops(ah);
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ar9003_hw_attach_phy_ops(ah);
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ar9003_hw_attach_calib_ops(ah);
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ar9003_hw_attach_calib_ops(ah);
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ar9003_hw_attach_mac_ops(ah);
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ar9003_hw_attach_mac_ops(ah);
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