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iwlwifi: add shared clock PHY config flag for some devices

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Some devices use a shared clock which is very sensitive to variations
and cause trouble in some situations.  We need to set a bit in the phy
configuration to indicate that to the FW.  To make this generic, add a
extra_phy_config_flags element to the device configuration and OR it
into the phy_cfg before sending it to the firmware.  And also create a
set of configurations for devices that use shared clocks and need this
extra bit to be set.

Fixes: c62446d2b0 ("iwlwifi: add new 9460 series PCI IDs")
Signed-off-by: Luca Coelho <luciano.coelho@intel.com>
This commit is contained in:
Luca Coelho 2018-02-21 22:18:59 +02:00
parent 75fd4fec3e
commit 86a2b2043a
5 changed files with 91 additions and 19 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

62
drivers/net/wireless/intel/iwlwifi/cfg/9000.c
View File

@ -53,6 +53,7 @@
#include <linux/stringify.h>
#include "iwl-config.h"
#include "iwl-agn-hw.h"
#include "fw/file.h"
/* Highest firmware API version supported */
#define IWL9000_UCODE_API_MAX 36
@ -265,6 +266,67 @@ const struct iwl_cfg iwl9560_2ac_cfg_soc = {
.integrated = true,
.soc_latency = 5000,
};
const struct iwl_cfg iwl9460_2ac_cfg_shared_clk = {
.name = "Intel(R) Dual Band Wireless AC 9460",
.fw_name_pre = IWL9000A_FW_PRE,
.fw_name_pre_b_or_c_step = IWL9000B_FW_PRE,
.fw_name_pre_rf_next_step = IWL9000RFB_FW_PRE,
IWL_DEVICE_9000,
.ht_params = &iwl9000_ht_params,
.nvm_ver = IWL9000_NVM_VERSION,
.nvm_calib_ver = IWL9000_TX_POWER_VERSION,
.max_ht_ampdu_exponent = IEEE80211_HT_MAX_AMPDU_64K,
.integrated = true,
.soc_latency = 5000,
.extra_phy_cfg_flags = FW_PHY_CFG_SHARED_CLK
};
const struct iwl_cfg iwl9461_2ac_cfg_shared_clk = {
.name = "Intel(R) Dual Band Wireless AC 9461",
.fw_name_pre = IWL9000A_FW_PRE,
.fw_name_pre_b_or_c_step = IWL9000B_FW_PRE,
.fw_name_pre_rf_next_step = IWL9000RFB_FW_PRE,
IWL_DEVICE_9000,
.ht_params = &iwl9000_ht_params,
.nvm_ver = IWL9000_NVM_VERSION,
.nvm_calib_ver = IWL9000_TX_POWER_VERSION,
.max_ht_ampdu_exponent = IEEE80211_HT_MAX_AMPDU_64K,
.integrated = true,
.soc_latency = 5000,
.extra_phy_cfg_flags = FW_PHY_CFG_SHARED_CLK
};
const struct iwl_cfg iwl9462_2ac_cfg_shared_clk = {
.name = "Intel(R) Dual Band Wireless AC 9462",
.fw_name_pre = IWL9000A_FW_PRE,
.fw_name_pre_b_or_c_step = IWL9000B_FW_PRE,
.fw_name_pre_rf_next_step = IWL9000RFB_FW_PRE,
IWL_DEVICE_9000,
.ht_params = &iwl9000_ht_params,
.nvm_ver = IWL9000_NVM_VERSION,
.nvm_calib_ver = IWL9000_TX_POWER_VERSION,
.max_ht_ampdu_exponent = IEEE80211_HT_MAX_AMPDU_64K,
.integrated = true,
.soc_latency = 5000,
.extra_phy_cfg_flags = FW_PHY_CFG_SHARED_CLK
};
const struct iwl_cfg iwl9560_2ac_cfg_shared_clk = {
.name = "Intel(R) Dual Band Wireless AC 9560",
.fw_name_pre = IWL9000A_FW_PRE,
.fw_name_pre_b_or_c_step = IWL9000B_FW_PRE,
.fw_name_pre_rf_next_step = IWL9000RFB_FW_PRE,
IWL_DEVICE_9000,
.ht_params = &iwl9000_ht_params,
.nvm_ver = IWL9000_NVM_VERSION,
.nvm_calib_ver = IWL9000_TX_POWER_VERSION,
.max_ht_ampdu_exponent = IEEE80211_HT_MAX_AMPDU_64K,
.integrated = true,
.soc_latency = 5000,
.extra_phy_cfg_flags = FW_PHY_CFG_SHARED_CLK
};
MODULE_FIRMWARE(IWL9000A_MODULE_FIRMWARE(IWL9000_UCODE_API_MAX));
MODULE_FIRMWARE(IWL9000B_MODULE_FIRMWARE(IWL9000_UCODE_API_MAX));
MODULE_FIRMWARE(IWL9000RFB_MODULE_FIRMWARE(IWL9000_UCODE_API_MAX));

1
drivers/net/wireless/intel/iwlwifi/fw/file.h
View File

@ -441,6 +441,7 @@ enum iwl_fw_phy_cfg {
FW_PHY_CFG_TX_CHAIN = 0xf << FW_PHY_CFG_TX_CHAIN_POS,
FW_PHY_CFG_RX_CHAIN_POS = 20,
FW_PHY_CFG_RX_CHAIN = 0xf << FW_PHY_CFG_RX_CHAIN_POS,
FW_PHY_CFG_SHARED_CLK = BIT(31),
};
#define IWL_UCODE_MAX_CS 1

5
drivers/net/wireless/intel/iwlwifi/iwl-config.h
View File

@ -398,6 +398,7 @@ struct iwl_cfg {
u8 ucode_api_max;
u8 ucode_api_min;
u32 min_umac_error_event_table;
u32 extra_phy_cfg_flags;
};
/*
@ -477,6 +478,10 @@ extern const struct iwl_cfg iwl9460_2ac_cfg_soc;
extern const struct iwl_cfg iwl9461_2ac_cfg_soc;
extern const struct iwl_cfg iwl9462_2ac_cfg_soc;
extern const struct iwl_cfg iwl9560_2ac_cfg_soc;
extern const struct iwl_cfg iwl9460_2ac_cfg_shared_clk;
extern const struct iwl_cfg iwl9461_2ac_cfg_shared_clk;
extern const struct iwl_cfg iwl9462_2ac_cfg_shared_clk;
extern const struct iwl_cfg iwl9560_2ac_cfg_shared_clk;
extern const struct iwl_cfg iwl22000_2ac_cfg_hr;
extern const struct iwl_cfg iwl22000_2ac_cfg_hr_cdb;
extern const struct iwl_cfg iwl22000_2ac_cfg_jf;

4
drivers/net/wireless/intel/iwlwifi/mvm/fw.c
View File

@ -433,6 +433,10 @@ static int iwl_send_phy_cfg_cmd(struct iwl_mvm *mvm)
/* Set parameters */
phy_cfg_cmd.phy_cfg = cpu_to_le32(iwl_mvm_get_phy_config(mvm));
/* set flags extra PHY configuration flags from the device's cfg */
phy_cfg_cmd.phy_cfg |= cpu_to_le32(mvm->cfg->extra_phy_cfg_flags);
phy_cfg_cmd.calib_control.event_trigger =
mvm->fw->default_calib[ucode_type].event_trigger;
phy_cfg_cmd.calib_control.flow_trigger =

38
drivers/net/wireless/intel/iwlwifi/pcie/drv.c
View File

@ -579,25 +579,25 @@ static const struct pci_device_id iwl_hw_card_ids[] = {
{IWL_PCI_DEVICE(0x30DC, 0x0264, iwl9461_2ac_cfg_soc)},
{IWL_PCI_DEVICE(0x30DC, 0x02A0, iwl9462_2ac_cfg_soc)},
{IWL_PCI_DEVICE(0x30DC, 0x02A4, iwl9462_2ac_cfg_soc)},
{IWL_PCI_DEVICE(0x31DC, 0x0030, iwl9560_2ac_cfg_soc)},
{IWL_PCI_DEVICE(0x31DC, 0x0034, iwl9560_2ac_cfg_soc)},
{IWL_PCI_DEVICE(0x31DC, 0x0038, iwl9560_2ac_cfg_soc)},
{IWL_PCI_DEVICE(0x31DC, 0x003C, iwl9560_2ac_cfg_soc)},
{IWL_PCI_DEVICE(0x31DC, 0x0060, iwl9460_2ac_cfg_soc)},
{IWL_PCI_DEVICE(0x31DC, 0x0064, iwl9461_2ac_cfg_soc)},
{IWL_PCI_DEVICE(0x31DC, 0x00A0, iwl9462_2ac_cfg_soc)},
{IWL_PCI_DEVICE(0x31DC, 0x00A4, iwl9462_2ac_cfg_soc)},
{IWL_PCI_DEVICE(0x31DC, 0x0230, iwl9560_2ac_cfg_soc)},
{IWL_PCI_DEVICE(0x31DC, 0x0234, iwl9560_2ac_cfg_soc)},
{IWL_PCI_DEVICE(0x31DC, 0x0238, iwl9560_2ac_cfg_soc)},
{IWL_PCI_DEVICE(0x31DC, 0x023C, iwl9560_2ac_cfg_soc)},
{IWL_PCI_DEVICE(0x31DC, 0x0260, iwl9461_2ac_cfg_soc)},
{IWL_PCI_DEVICE(0x31DC, 0x0264, iwl9461_2ac_cfg_soc)},
{IWL_PCI_DEVICE(0x31DC, 0x02A0, iwl9462_2ac_cfg_soc)},
{IWL_PCI_DEVICE(0x31DC, 0x02A4, iwl9462_2ac_cfg_soc)},
{IWL_PCI_DEVICE(0x31DC, 0x4030, iwl9560_2ac_cfg_soc)},
{IWL_PCI_DEVICE(0x31DC, 0x4034, iwl9560_2ac_cfg_soc)},
{IWL_PCI_DEVICE(0x31DC, 0x40A4, iwl9462_2ac_cfg_soc)},
{IWL_PCI_DEVICE(0x31DC, 0x0030, iwl9560_2ac_cfg_shared_clk)},
{IWL_PCI_DEVICE(0x31DC, 0x0034, iwl9560_2ac_cfg_shared_clk)},
{IWL_PCI_DEVICE(0x31DC, 0x0038, iwl9560_2ac_cfg_shared_clk)},
{IWL_PCI_DEVICE(0x31DC, 0x003C, iwl9560_2ac_cfg_shared_clk)},
{IWL_PCI_DEVICE(0x31DC, 0x0060, iwl9460_2ac_cfg_shared_clk)},
{IWL_PCI_DEVICE(0x31DC, 0x0064, iwl9461_2ac_cfg_shared_clk)},
{IWL_PCI_DEVICE(0x31DC, 0x00A0, iwl9462_2ac_cfg_shared_clk)},
{IWL_PCI_DEVICE(0x31DC, 0x00A4, iwl9462_2ac_cfg_shared_clk)},
{IWL_PCI_DEVICE(0x31DC, 0x0230, iwl9560_2ac_cfg_shared_clk)},
{IWL_PCI_DEVICE(0x31DC, 0x0234, iwl9560_2ac_cfg_shared_clk)},
{IWL_PCI_DEVICE(0x31DC, 0x0238, iwl9560_2ac_cfg_shared_clk)},
{IWL_PCI_DEVICE(0x31DC, 0x023C, iwl9560_2ac_cfg_shared_clk)},
{IWL_PCI_DEVICE(0x31DC, 0x0260, iwl9461_2ac_cfg_shared_clk)},
{IWL_PCI_DEVICE(0x31DC, 0x0264, iwl9461_2ac_cfg_shared_clk)},
{IWL_PCI_DEVICE(0x31DC, 0x02A0, iwl9462_2ac_cfg_shared_clk)},
{IWL_PCI_DEVICE(0x31DC, 0x02A4, iwl9462_2ac_cfg_shared_clk)},
{IWL_PCI_DEVICE(0x31DC, 0x4030, iwl9560_2ac_cfg_shared_clk)},
{IWL_PCI_DEVICE(0x31DC, 0x4034, iwl9560_2ac_cfg_shared_clk)},
{IWL_PCI_DEVICE(0x31DC, 0x40A4, iwl9462_2ac_cfg_shared_clk)},
{IWL_PCI_DEVICE(0x34F0, 0x0030, iwl9560_2ac_cfg_soc)},
{IWL_PCI_DEVICE(0x34F0, 0x0034, iwl9560_2ac_cfg_soc)},
{IWL_PCI_DEVICE(0x34F0, 0x02A4, iwl9462_2ac_cfg_soc)},