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iwlwifi: pcie: Control access to the NIC's PM registers via iwl_cfg

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Allow a cleaner way to access those hw-dependent registers,
instead of using the product family type etc.

Signed-off-by: Avri Altman <avri.altman@intel.com>
Reviewed-by: Johannes Berg <johannes.berg@intel.com>
Signed-off-by: Emmanuel Grumbach <emmanuel.grumbach@intel.com>
This commit is contained in:
Avri Altman 2015-05-11 11:04:34 +03:00 committed by Emmanuel Grumbach
parent 6a8ac59c80
commit 95411d0455
5 changed files with 13 additions and 10 deletions
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3
drivers/net/wireless/iwlwifi/iwl-8000.c
View File

@ -163,7 +163,8 @@ static const struct iwl_tt_params iwl8000_tt_params = {
.smem_len = IWL8260_SMEM_LEN, \
.default_nvm_file_B_step = DEFAULT_NVM_FILE_FAMILY_8000B, \
.default_nvm_file_C_step = DEFAULT_NVM_FILE_FAMILY_8000C, \
.thermal_params = &iwl8000_tt_params
.thermal_params = &iwl8000_tt_params, \
.apmg_not_supported = true
const struct iwl_cfg iwl8260_2n_cfg = {
.name = "Intel(R) Dual Band Wireless N 8260",

1
drivers/net/wireless/iwlwifi/iwl-config.h
View File

@ -360,6 +360,7 @@ struct iwl_cfg {
const u32 smem_offset;
const u32 smem_len;
const struct iwl_tt_params *thermal_params;
bool apmg_not_supported;
};
/*

2
drivers/net/wireless/iwlwifi/mvm/ops.c
View File

@ -194,7 +194,7 @@ static void iwl_mvm_nic_config(struct iwl_op_mode *op_mode)
* (PCIe power is lost before PERST# is asserted), causing ME FW
* to lose ownership and not being able to obtain it back.
*/
if (mvm->trans->cfg->device_family != IWL_DEVICE_FAMILY_8000)
if (!mvm->trans->cfg->apmg_not_supported)
iwl_set_bits_mask_prph(mvm->trans, APMG_PS_CTRL_REG,
APMG_PS_CTRL_EARLY_PWR_OFF_RESET_DIS,
~APMG_PS_CTRL_EARLY_PWR_OFF_RESET_DIS);

1
drivers/net/wireless/iwlwifi/pcie/rx.c
View File

@ -775,6 +775,7 @@ static void iwl_pcie_irq_handle_error(struct iwl_trans *trans)
/* W/A for WiFi/WiMAX coex and WiMAX own the RF */
if (trans->cfg->internal_wimax_coex &&
!trans->cfg->apmg_not_supported &&
(!(iwl_read_prph(trans, APMG_CLK_CTRL_REG) &
APMS_CLK_VAL_MRB_FUNC_MODE) ||
(iwl_read_prph(trans, APMG_PS_CTRL_REG) &

16
drivers/net/wireless/iwlwifi/pcie/trans.c
View File

@ -182,6 +182,9 @@ static void iwl_trans_pcie_write_shr(struct iwl_trans *trans, u32 reg, u32 val)
static void iwl_pcie_set_pwr(struct iwl_trans *trans, bool vaux)
{
if (!trans->cfg->apmg_not_supported)
return;
if (vaux && pci_pme_capable(to_pci_dev(trans->dev), PCI_D3cold))
iwl_set_bits_mask_prph(trans, APMG_PS_CTRL_REG,
APMG_PS_CTRL_VAL_PWR_SRC_VAUX,
@ -315,7 +318,7 @@ static int iwl_pcie_apm_init(struct iwl_trans *trans)
* bits do not disable clocks. This preserves any hardware
* bits already set by default in "CLK_CTRL_REG" after reset.
*/
if (trans->cfg->device_family != IWL_DEVICE_FAMILY_8000) {
if (!trans->cfg->apmg_not_supported) {
iwl_write_prph(trans, APMG_CLK_EN_REG,
APMG_CLK_VAL_DMA_CLK_RQT);
udelay(20);
@ -515,8 +518,7 @@ static int iwl_pcie_nic_init(struct iwl_trans *trans)
spin_unlock(&trans_pcie->irq_lock);
if (trans->cfg->device_family != IWL_DEVICE_FAMILY_8000)
iwl_pcie_set_pwr(trans, false);
iwl_pcie_set_pwr(trans, false);
iwl_op_mode_nic_config(trans->op_mode);
@ -1063,7 +1065,7 @@ static void iwl_trans_pcie_stop_device(struct iwl_trans *trans, bool low_power)
iwl_pcie_rx_stop(trans);
/* Power-down device's busmaster DMA clocks */
if (trans->cfg->device_family != IWL_DEVICE_FAMILY_8000) {
if (!trans->cfg->apmg_not_supported) {
iwl_write_prph(trans, APMG_CLK_DIS_REG,
APMG_CLK_VAL_DMA_CLK_RQT);
udelay(5);
@ -1160,8 +1162,7 @@ static void iwl_trans_pcie_d3_suspend(struct iwl_trans *trans, bool test)
*/
iwl_trans_pcie_tx_reset(trans);
if (trans->cfg->device_family != IWL_DEVICE_FAMILY_8000)
iwl_pcie_set_pwr(trans, true);
iwl_pcie_set_pwr(trans, true);
}
static int iwl_trans_pcie_d3_resume(struct iwl_trans *trans,
@ -1199,8 +1200,7 @@ static int iwl_trans_pcie_d3_resume(struct iwl_trans *trans,
return ret;
}
if (trans->cfg->device_family != IWL_DEVICE_FAMILY_8000)
iwl_pcie_set_pwr(trans, false);
iwl_pcie_set_pwr(trans, false);
iwl_trans_pcie_tx_reset(trans);