diff options
| author | Johannes Berg <johannes.berg@intel.com> | 2021-06-17 10:08:41 +0300 |
|---|---|---|
| committer | Luca Coelho <luciano.coelho@intel.com> | 2021-06-22 15:11:26 +0300 |
| commit | aa899e683fe537793eb81e06ee93ee8ec7cf3f78 (patch) | |
| tree | d26aea81a372b90ba4691213bed0133c60f3c13c /drivers/net/wireless/intel/iwlwifi/pcie/trans-gen2.c | |
| parent | a451b823074ca40bda686f3fb48875103e17d7da (diff) | |
| download | linux-aa899e683fe537793eb81e06ee93ee8ec7cf3f78.tar.gz | |
iwlwifi: pcie: identify the RF module
Identify and print out the RF module to be able to identify
(from logs and through debugfs) which one (and version) is
present on the system.
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
Signed-off-by: Luca Coelho <luciano.coelho@intel.com>
Link: https://lore.kernel.org/r/iwlwifi.20210617100544.cd1ef97b2c04.Iad42a59902a87a50b45b9ce88705863686a83b54@changeid
Signed-off-by: Luca Coelho <luciano.coelho@intel.com>
Diffstat (limited to 'drivers/net/wireless/intel/iwlwifi/pcie/trans-gen2.c')
| -rw-r--r-- | drivers/net/wireless/intel/iwlwifi/pcie/trans-gen2.c | 71 |
1 files changed, 71 insertions, 0 deletions
diff --git a/drivers/net/wireless/intel/iwlwifi/pcie/trans-gen2.c b/drivers/net/wireless/intel/iwlwifi/pcie/trans-gen2.c index 1bcd36e9e008..56162c4500d7 100644 --- a/drivers/net/wireless/intel/iwlwifi/pcie/trans-gen2.c +++ b/drivers/net/wireless/intel/iwlwifi/pcie/trans-gen2.c @@ -240,6 +240,75 @@ static int iwl_pcie_gen2_nic_init(struct iwl_trans *trans) return 0; } +static void iwl_pcie_get_rf_name(struct iwl_trans *trans) +{ + struct iwl_trans_pcie *trans_pcie = IWL_TRANS_GET_PCIE_TRANS(trans); + char *buf = trans_pcie->rf_name; + size_t buflen = sizeof(trans_pcie->rf_name); + size_t pos; + u32 version; + + if (buf[0]) + return; + + switch (CSR_HW_RFID_TYPE(trans->hw_rf_id)) { + case CSR_HW_RFID_TYPE(CSR_HW_RF_ID_TYPE_JF): + pos = scnprintf(buf, buflen, "JF"); + break; + case CSR_HW_RFID_TYPE(CSR_HW_RF_ID_TYPE_GF): + pos = scnprintf(buf, buflen, "GF"); + break; + case CSR_HW_RFID_TYPE(CSR_HW_RF_ID_TYPE_GF4): + pos = scnprintf(buf, buflen, "GF4"); + break; + case CSR_HW_RFID_TYPE(CSR_HW_RF_ID_TYPE_HR): + pos = scnprintf(buf, buflen, "HR"); + break; + case CSR_HW_RFID_TYPE(CSR_HW_RF_ID_TYPE_HR1): + pos = scnprintf(buf, buflen, "HR1"); + break; + case CSR_HW_RFID_TYPE(CSR_HW_RF_ID_TYPE_HRCDB): + pos = scnprintf(buf, buflen, "HRCDB"); + break; + default: + return; + } + + switch (CSR_HW_RFID_TYPE(trans->hw_rf_id)) { + case CSR_HW_RFID_TYPE(CSR_HW_RF_ID_TYPE_HR): + case CSR_HW_RFID_TYPE(CSR_HW_RF_ID_TYPE_HR1): + case CSR_HW_RFID_TYPE(CSR_HW_RF_ID_TYPE_HRCDB): + version = iwl_read_prph(trans, CNVI_MBOX_C); + switch (version) { + case 0x20000: + pos += scnprintf(buf + pos, buflen - pos, " B3"); + break; + case 0x120000: + pos += scnprintf(buf + pos, buflen - pos, " B5"); + break; + default: + pos += scnprintf(buf + pos, buflen - pos, + " (0x%x)", version); + break; + } + break; + default: + break; + } + + pos += scnprintf(buf + pos, buflen - pos, ", rfid=0x%x", + trans->hw_rf_id); + + IWL_INFO(trans, "Detected RF %s\n", buf); + + /* + * also add a \n for debugfs - need to do it after printing + * since our IWL_INFO machinery wants to see a static \n at + * the end of the string + */ + pos += scnprintf(buf + pos, buflen - pos, "\n"); +} + void iwl_trans_pcie_gen2_fw_alive(struct iwl_trans *trans, u32 scd_addr) { struct iwl_trans_pcie *trans_pcie = IWL_TRANS_GET_PCIE_TRANS(trans); @@ -263,6 +332,8 @@ void iwl_trans_pcie_gen2_fw_alive(struct iwl_trans *trans, u32 scd_addr) iwl_enable_interrupts(trans); mutex_lock(&trans_pcie->mutex); iwl_pcie_check_hw_rf_kill(trans); + + iwl_pcie_get_rf_name(trans); mutex_unlock(&trans_pcie->mutex); } |