From: Tomas Winkler Date: Tue, 10 Feb 2009 23:19:02 +0000 (-0800) Subject: iwlwifi: use pci registers defined in pci_regs.h X-Git-Url: https://git.stricted.de/?a=commitdiff_plain;h=3fdb68de22c9881691c485b05ed3204bdc431a18;p=GitHub%2FLineageOS%2Fandroid_kernel_samsung_universal7580.git iwlwifi: use pci registers defined in pci_regs.h This patch replaces where possible usage of pci register defined in the driver by ones defined in pci_regs.h Signed-off-by: Tomas Winkler Signed-off-by: Reinette Chatre Signed-off-by: John W. Linville --- diff --git a/drivers/net/wireless/iwlwifi/iwl-3945-hw.h b/drivers/net/wireless/iwlwifi/iwl-3945-hw.h index 1327b2ac1c5..205603d082a 100644 --- a/drivers/net/wireless/iwlwifi/iwl-3945-hw.h +++ b/drivers/net/wireless/iwlwifi/iwl-3945-hw.h @@ -229,12 +229,6 @@ struct iwl3945_eeprom { /* End of EEPROM */ - -#define PCI_LINK_CTRL 0x0F0 -#define PCI_POWER_SOURCE 0x0C8 -#define PCI_REG_WUM8 0x0E8 -#define PCI_CFG_PMC_PME_FROM_D3COLD_SUPPORT (0x80000000) - #define PCI_CFG_REV_ID_BIT_BASIC_SKU (0x40) /* bit 6 */ #define PCI_CFG_REV_ID_BIT_RTP (0x80) /* bit 7 */ diff --git a/drivers/net/wireless/iwlwifi/iwl-3945.c b/drivers/net/wireless/iwlwifi/iwl-3945.c index cb6db4525dc..d2df4945ca6 100644 --- a/drivers/net/wireless/iwlwifi/iwl-3945.c +++ b/drivers/net/wireless/iwlwifi/iwl-3945.c @@ -905,22 +905,18 @@ u8 iwl3945_sync_sta(struct iwl_priv *priv, int sta_id, u16 tx_rate, u8 flags) static int iwl3945_set_pwr_src(struct iwl_priv *priv, enum iwl_pwr_src src) { - int rc; + int ret; unsigned long flags; spin_lock_irqsave(&priv->lock, flags); - rc = iwl_grab_nic_access(priv); - if (rc) { + ret = iwl_grab_nic_access(priv); + if (ret) { spin_unlock_irqrestore(&priv->lock, flags); - return rc; + return ret; } if (src == IWL_PWR_SRC_VAUX) { - u32 val; - - rc = pci_read_config_dword(priv->pci_dev, - PCI_POWER_SOURCE, &val); - if (val & PCI_CFG_PMC_PME_FROM_D3COLD_SUPPORT) { + if (pci_pme_capable(priv->pci_dev, PCI_D3cold)) { iwl_set_bits_mask_prph(priv, APMG_PS_CTRL_REG, APMG_PS_CTRL_VAL_PWR_SRC_VAUX, ~APMG_PS_CTRL_MSK_PWR_SRC); @@ -929,8 +925,9 @@ static int iwl3945_set_pwr_src(struct iwl_priv *priv, enum iwl_pwr_src src) iwl_poll_bit(priv, CSR_GPIO_IN, CSR_GPIO_IN_VAL_VAUX_PWR_SRC, CSR_GPIO_IN_BIT_AUX_POWER, 5000); - } else + } else { iwl_release_nic_access(priv); + } } else { iwl_set_bits_mask_prph(priv, APMG_PS_CTRL_REG, APMG_PS_CTRL_VAL_PWR_SRC_VMAIN, @@ -942,7 +939,7 @@ static int iwl3945_set_pwr_src(struct iwl_priv *priv, enum iwl_pwr_src src) } spin_unlock_irqrestore(&priv->lock, flags); - return rc; + return ret; } static int iwl3945_rx_init(struct iwl_priv *priv, struct iwl_rx_queue *rxq) diff --git a/drivers/net/wireless/iwlwifi/iwl-4965-hw.h b/drivers/net/wireless/iwlwifi/iwl-4965-hw.h index af4c1bb0de1..a71a489096f 100644 --- a/drivers/net/wireless/iwlwifi/iwl-4965-hw.h +++ b/drivers/net/wireless/iwlwifi/iwl-4965-hw.h @@ -92,19 +92,12 @@ #define IWL49_RSSI_OFFSET 44 - /* PCI registers */ #define PCI_CFG_RETRY_TIMEOUT 0x041 -#define PCI_CFG_POWER_SOURCE 0x0C8 -#define PCI_REG_WUM8 0x0E8 -#define PCI_CFG_LINK_CTRL 0x0F0 /* PCI register values */ #define PCI_CFG_LINK_CTRL_VAL_L0S_EN 0x01 #define PCI_CFG_LINK_CTRL_VAL_L1_EN 0x02 -#define PCI_CFG_CMD_REG_INT_DIS_MSK 0x04 -#define PCI_CFG_PMC_PME_FROM_D3COLD_SUPPORT (0x80000000) - #define IWL_NUM_SCAN_RATES (2) diff --git a/drivers/net/wireless/iwlwifi/iwl-4965.c b/drivers/net/wireless/iwlwifi/iwl-4965.c index 0638f3e3760..ead947b4d30 100644 --- a/drivers/net/wireless/iwlwifi/iwl-4965.c +++ b/drivers/net/wireless/iwlwifi/iwl-4965.c @@ -381,27 +381,30 @@ out: static void iwl4965_nic_config(struct iwl_priv *priv) { unsigned long flags; - u32 val; + u16 dctl; u16 radio_cfg; - u16 link; + u16 lctl; spin_lock_irqsave(&priv->lock, flags); if ((priv->rev_id & 0x80) == 0x80 && (priv->rev_id & 0x7f) < 8) { - pci_read_config_dword(priv->pci_dev, PCI_REG_WUM8, &val); + int pos = pci_find_capability(priv->pci_dev, PCI_CAP_ID_EXP); + pci_read_config_word(priv->pci_dev, pos + PCI_EXP_DEVCTL, &dctl); + /* Enable No Snoop field */ - pci_write_config_dword(priv->pci_dev, PCI_REG_WUM8, - val & ~(1 << 11)); + pci_write_config_word(priv->pci_dev, pos + PCI_EXP_DEVCTL, + dctl & ~PCI_EXP_DEVCTL_NOSNOOP_EN); } - pci_read_config_word(priv->pci_dev, PCI_CFG_LINK_CTRL, &link); + lctl = iwl_pcie_link_ctl(priv); - /* L1 is enabled by BIOS */ - if ((link & PCI_CFG_LINK_CTRL_VAL_L1_EN) == PCI_CFG_LINK_CTRL_VAL_L1_EN) - /* disable L0S disabled L1A enabled */ + /* HW bug W/A - negligible power consumption */ + /* L1-ASPM is enabled by BIOS */ + if ((lctl & PCI_CFG_LINK_CTRL_VAL_L1_EN) == PCI_CFG_LINK_CTRL_VAL_L1_EN) + /* L1-ASPM enabled: disable L0S */ iwl_set_bit(priv, CSR_GIO_REG, CSR_GIO_REG_VAL_L0S_ENABLED); else - /* L0S enabled L1A disabled */ + /* L1-ASPM disabled: enable L0S */ iwl_clear_bit(priv, CSR_GIO_REG, CSR_GIO_REG_VAL_L0S_ENABLED); radio_cfg = iwl_eeprom_query16(priv, EEPROM_RADIO_CONFIG); diff --git a/drivers/net/wireless/iwlwifi/iwl-5000.c b/drivers/net/wireless/iwlwifi/iwl-5000.c index e3cba61d154..ab39f4ae8e3 100644 --- a/drivers/net/wireless/iwlwifi/iwl-5000.c +++ b/drivers/net/wireless/iwlwifi/iwl-5000.c @@ -219,18 +219,19 @@ static void iwl5000_nic_config(struct iwl_priv *priv) { unsigned long flags; u16 radio_cfg; - u16 link; + u16 lctl; spin_lock_irqsave(&priv->lock, flags); - pci_read_config_word(priv->pci_dev, PCI_CFG_LINK_CTRL, &link); + lctl = iwl_pcie_link_ctl(priv); - /* L1 is enabled by BIOS */ - if ((link & PCI_CFG_LINK_CTRL_VAL_L1_EN) == PCI_CFG_LINK_CTRL_VAL_L1_EN) - /* disable L0S disabled L1A enabled */ + /* HW bug W/A */ + /* L1-ASPM is enabled by BIOS */ + if ((lctl & PCI_CFG_LINK_CTRL_VAL_L1_EN) == PCI_CFG_LINK_CTRL_VAL_L1_EN) + /* L1-APSM enabled: disable L0S */ iwl_set_bit(priv, CSR_GIO_REG, CSR_GIO_REG_VAL_L0S_ENABLED); else - /* L0S enabled L1A disabled */ + /* L1-ASPM disabled: enable L0S */ iwl_clear_bit(priv, CSR_GIO_REG, CSR_GIO_REG_VAL_L0S_ENABLED); radio_cfg = iwl_eeprom_query16(priv, EEPROM_RADIO_CONFIG); diff --git a/drivers/net/wireless/iwlwifi/iwl-agn.c b/drivers/net/wireless/iwlwifi/iwl-agn.c index 539960da7e1..397577c06c9 100644 --- a/drivers/net/wireless/iwlwifi/iwl-agn.c +++ b/drivers/net/wireless/iwlwifi/iwl-agn.c @@ -940,11 +940,7 @@ int iwl_set_pwr_src(struct iwl_priv *priv, enum iwl_pwr_src src) goto err; if (src == IWL_PWR_SRC_VAUX) { - u32 val; - ret = pci_read_config_dword(priv->pci_dev, PCI_CFG_POWER_SOURCE, - &val); - - if (val & PCI_CFG_PMC_PME_FROM_D3COLD_SUPPORT) + if (pci_pme_capable(priv->pci_dev, PCI_D3cold)) iwl_set_bits_mask_prph(priv, APMG_PS_CTRL_REG, APMG_PS_CTRL_VAL_PWR_SRC_VAUX, ~APMG_PS_CTRL_MSK_PWR_SRC); diff --git a/drivers/net/wireless/iwlwifi/iwl-core.h b/drivers/net/wireless/iwlwifi/iwl-core.h index d79912ba6a2..9d464ec99dd 100644 --- a/drivers/net/wireless/iwlwifi/iwl-core.h +++ b/drivers/net/wireless/iwlwifi/iwl-core.h @@ -410,6 +410,14 @@ int iwl_send_card_state(struct iwl_priv *priv, u32 flags, *****************************************************/ void iwl_disable_interrupts(struct iwl_priv *priv); void iwl_enable_interrupts(struct iwl_priv *priv); +static inline u16 iwl_pcie_link_ctl(struct iwl_priv *priv) +{ + int pos; + u16 pci_lnk_ctl; + pos = pci_find_capability(priv->pci_dev, PCI_CAP_ID_EXP); + pci_read_config_word(priv->pci_dev, pos + PCI_EXP_LNKCTL, &pci_lnk_ctl); + return pci_lnk_ctl; +} /***************************************************** * Error Handling Debugging diff --git a/drivers/net/wireless/iwlwifi/iwl-power.c b/drivers/net/wireless/iwlwifi/iwl-power.c index 4c5a775f48b..18b7e4195ea 100644 --- a/drivers/net/wireless/iwlwifi/iwl-power.c +++ b/drivers/net/wireless/iwlwifi/iwl-power.c @@ -141,7 +141,7 @@ static void iwl_power_init_handle(struct iwl_priv *priv) int size = sizeof(struct iwl_power_vec_entry) * IWL_POWER_MAX; struct iwl_powertable_cmd *cmd; int i; - u16 pci_pm; + u16 lctl; IWL_DEBUG_POWER(priv, "Initialize power \n"); @@ -153,14 +153,14 @@ static void iwl_power_init_handle(struct iwl_priv *priv) memcpy(&pow_data->pwr_range_1[0], &range_1[0], size); memcpy(&pow_data->pwr_range_2[0], &range_2[0], size); - pci_read_config_word(priv->pci_dev, PCI_CFG_LINK_CTRL, &pci_pm); + lctl = iwl_pcie_link_ctl(priv); IWL_DEBUG_POWER(priv, "adjust power command flags\n"); for (i = 0; i < IWL_POWER_MAX; i++) { cmd = &pow_data->pwr_range_0[i].cmd; - if (pci_pm & PCI_CFG_LINK_CTRL_VAL_L0S_EN) + if (lctl & PCI_CFG_LINK_CTRL_VAL_L0S_EN) cmd->flags &= ~IWL_POWER_PCI_PM_MSK; else cmd->flags |= IWL_POWER_PCI_PM_MSK;