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path: root/drivers/net/wireless/intel/iwlwifi/mvm/nvm.c
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Diffstat (limited to 'drivers/net/wireless/intel/iwlwifi/mvm/nvm.c')
-rw-r--r--drivers/net/wireless/intel/iwlwifi/mvm/nvm.c200
1 files changed, 51 insertions, 149 deletions
diff --git a/drivers/net/wireless/intel/iwlwifi/mvm/nvm.c b/drivers/net/wireless/intel/iwlwifi/mvm/nvm.c
index dac7e542a190..422aa6be9932 100644
--- a/drivers/net/wireless/intel/iwlwifi/mvm/nvm.c
+++ b/drivers/net/wireless/intel/iwlwifi/mvm/nvm.c
@@ -292,7 +292,8 @@ static struct iwl_nvm_data *
iwl_parse_nvm_sections(struct iwl_mvm *mvm)
{
struct iwl_nvm_section *sections = mvm->nvm_sections;
- const __le16 *hw, *sw, *calib, *regulatory, *mac_override, *phy_sku;
+ const __be16 *hw;
+ const __le16 *sw, *calib, *regulatory, *mac_override, *phy_sku;
bool lar_enabled;
/* Checking for required sections */
@@ -326,10 +327,7 @@ iwl_parse_nvm_sections(struct iwl_mvm *mvm)
}
}
- if (WARN_ON(!mvm->cfg))
- return NULL;
-
- hw = (const __le16 *)sections[mvm->cfg->nvm_hw_section_num].data;
+ hw = (const __be16 *)sections[mvm->cfg->nvm_hw_section_num].data;
sw = (const __le16 *)sections[NVM_SECTION_TYPE_SW].data;
calib = (const __le16 *)sections[NVM_SECTION_TYPE_CALIBRATION].data;
regulatory = (const __le16 *)sections[NVM_SECTION_TYPE_REGULATORY].data;
@@ -546,101 +544,7 @@ int iwl_mvm_load_nvm_to_nic(struct iwl_mvm *mvm)
return ret;
}
-int iwl_mvm_nvm_get_from_fw(struct iwl_mvm *mvm)
-{
- struct iwl_nvm_get_info cmd = {};
- struct iwl_nvm_get_info_rsp *rsp;
- struct iwl_trans *trans = mvm->trans;
- struct iwl_host_cmd hcmd = {
- .flags = CMD_WANT_SKB | CMD_SEND_IN_RFKILL,
- .data = { &cmd, },
- .len = { sizeof(cmd) },
- .id = WIDE_ID(REGULATORY_AND_NVM_GROUP, NVM_GET_INFO)
- };
- int ret;
- bool lar_fw_supported = !iwlwifi_mod_params.lar_disable &&
- fw_has_capa(&mvm->fw->ucode_capa,
- IWL_UCODE_TLV_CAPA_LAR_SUPPORT);
-
- lockdep_assert_held(&mvm->mutex);
-
- ret = iwl_mvm_send_cmd(mvm, &hcmd);
- if (ret)
- return ret;
-
- if (WARN(iwl_rx_packet_payload_len(hcmd.resp_pkt) != sizeof(*rsp),
- "Invalid payload len in NVM response from FW %d",
- iwl_rx_packet_payload_len(hcmd.resp_pkt))) {
- ret = -EINVAL;
- goto out;
- }
-
- rsp = (void *)hcmd.resp_pkt->data;
- if (le32_to_cpu(rsp->general.flags)) {
- IWL_ERR(mvm, "Invalid NVM data from FW\n");
- ret = -EINVAL;
- goto out;
- }
-
- mvm->nvm_data = kzalloc(sizeof(*mvm->nvm_data) +
- sizeof(struct ieee80211_channel) *
- IWL_NUM_CHANNELS, GFP_KERNEL);
- if (!mvm->nvm_data) {
- ret = -ENOMEM;
- goto out;
- }
-
- iwl_set_hw_address_from_csr(trans, mvm->nvm_data);
- /* TODO: if platform NVM has MAC address - override it here */
-
- if (!is_valid_ether_addr(mvm->nvm_data->hw_addr)) {
- IWL_ERR(trans, "no valid mac address was found\n");
- ret = -EINVAL;
- goto err_free;
- }
-
- IWL_INFO(trans, "base HW address: %pM\n", mvm->nvm_data->hw_addr);
-
- /* Initialize general data */
- mvm->nvm_data->nvm_version = le16_to_cpu(rsp->general.nvm_version);
-
- /* Initialize MAC sku data */
- mvm->nvm_data->sku_cap_11ac_enable =
- le32_to_cpu(rsp->mac_sku.enable_11ac);
- mvm->nvm_data->sku_cap_11n_enable =
- le32_to_cpu(rsp->mac_sku.enable_11n);
- mvm->nvm_data->sku_cap_band_24GHz_enable =
- le32_to_cpu(rsp->mac_sku.enable_24g);
- mvm->nvm_data->sku_cap_band_52GHz_enable =
- le32_to_cpu(rsp->mac_sku.enable_5g);
- mvm->nvm_data->sku_cap_mimo_disabled =
- le32_to_cpu(rsp->mac_sku.mimo_disable);
-
- /* Initialize PHY sku data */
- mvm->nvm_data->valid_tx_ant = (u8)le32_to_cpu(rsp->phy_sku.tx_chains);
- mvm->nvm_data->valid_rx_ant = (u8)le32_to_cpu(rsp->phy_sku.rx_chains);
-
- /* Initialize regulatory data */
- mvm->nvm_data->lar_enabled =
- le32_to_cpu(rsp->regulatory.lar_enabled) && lar_fw_supported;
-
- iwl_init_sbands(trans->dev, trans->cfg, mvm->nvm_data,
- rsp->regulatory.channel_profile,
- mvm->nvm_data->valid_tx_ant & mvm->fw->valid_tx_ant,
- mvm->nvm_data->valid_rx_ant & mvm->fw->valid_rx_ant,
- rsp->regulatory.lar_enabled && lar_fw_supported);
-
- iwl_free_resp(&hcmd);
- return 0;
-
-err_free:
- kfree(mvm->nvm_data);
-out:
- iwl_free_resp(&hcmd);
- return ret;
-}
-
-int iwl_nvm_init(struct iwl_mvm *mvm, bool read_nvm_from_nic)
+int iwl_nvm_init(struct iwl_mvm *mvm)
{
int ret, section;
u32 size_read = 0;
@@ -651,63 +555,61 @@ int iwl_nvm_init(struct iwl_mvm *mvm, bool read_nvm_from_nic)
return -EINVAL;
/* load NVM values from nic */
- if (read_nvm_from_nic) {
- /* Read From FW NVM */
- IWL_DEBUG_EEPROM(mvm->trans->dev, "Read from NVM\n");
-
- nvm_buffer = kmalloc(mvm->cfg->base_params->eeprom_size,
- GFP_KERNEL);
- if (!nvm_buffer)
- return -ENOMEM;
- for (section = 0; section < NVM_MAX_NUM_SECTIONS; section++) {
- /* we override the constness for initial read */
- ret = iwl_nvm_read_section(mvm, section, nvm_buffer,
- size_read);
- if (ret < 0)
- continue;
- size_read += ret;
- temp = kmemdup(nvm_buffer, ret, GFP_KERNEL);
- if (!temp) {
- ret = -ENOMEM;
- break;
- }
+ /* Read From FW NVM */
+ IWL_DEBUG_EEPROM(mvm->trans->dev, "Read from NVM\n");
+
+ nvm_buffer = kmalloc(mvm->cfg->base_params->eeprom_size,
+ GFP_KERNEL);
+ if (!nvm_buffer)
+ return -ENOMEM;
+ for (section = 0; section < NVM_MAX_NUM_SECTIONS; section++) {
+ /* we override the constness for initial read */
+ ret = iwl_nvm_read_section(mvm, section, nvm_buffer,
+ size_read);
+ if (ret < 0)
+ continue;
+ size_read += ret;
+ temp = kmemdup(nvm_buffer, ret, GFP_KERNEL);
+ if (!temp) {
+ ret = -ENOMEM;
+ break;
+ }
- iwl_mvm_nvm_fixups(mvm, section, temp, ret);
+ iwl_mvm_nvm_fixups(mvm, section, temp, ret);
- mvm->nvm_sections[section].data = temp;
- mvm->nvm_sections[section].length = ret;
+ mvm->nvm_sections[section].data = temp;
+ mvm->nvm_sections[section].length = ret;
#ifdef CONFIG_IWLWIFI_DEBUGFS
- switch (section) {
- case NVM_SECTION_TYPE_SW:
- mvm->nvm_sw_blob.data = temp;
- mvm->nvm_sw_blob.size = ret;
- break;
- case NVM_SECTION_TYPE_CALIBRATION:
- mvm->nvm_calib_blob.data = temp;
- mvm->nvm_calib_blob.size = ret;
- break;
- case NVM_SECTION_TYPE_PRODUCTION:
- mvm->nvm_prod_blob.data = temp;
- mvm->nvm_prod_blob.size = ret;
- break;
- case NVM_SECTION_TYPE_PHY_SKU:
- mvm->nvm_phy_sku_blob.data = temp;
- mvm->nvm_phy_sku_blob.size = ret;
+ switch (section) {
+ case NVM_SECTION_TYPE_SW:
+ mvm->nvm_sw_blob.data = temp;
+ mvm->nvm_sw_blob.size = ret;
+ break;
+ case NVM_SECTION_TYPE_CALIBRATION:
+ mvm->nvm_calib_blob.data = temp;
+ mvm->nvm_calib_blob.size = ret;
+ break;
+ case NVM_SECTION_TYPE_PRODUCTION:
+ mvm->nvm_prod_blob.data = temp;
+ mvm->nvm_prod_blob.size = ret;
+ break;
+ case NVM_SECTION_TYPE_PHY_SKU:
+ mvm->nvm_phy_sku_blob.data = temp;
+ mvm->nvm_phy_sku_blob.size = ret;
+ break;
+ default:
+ if (section == mvm->cfg->nvm_hw_section_num) {
+ mvm->nvm_hw_blob.data = temp;
+ mvm->nvm_hw_blob.size = ret;
break;
- default:
- if (section == mvm->cfg->nvm_hw_section_num) {
- mvm->nvm_hw_blob.data = temp;
- mvm->nvm_hw_blob.size = ret;
- break;
- }
}
-#endif
}
- if (!size_read)
- IWL_ERR(mvm, "OTP is blank\n");
- kfree(nvm_buffer);
+#endif
}
+ if (!size_read)
+ IWL_ERR(mvm, "OTP is blank\n");
+ kfree(nvm_buffer);
/* Only if PNVM selected in the mod param - load external NVM */
if (mvm->nvm_file_name) {
Copyright © 1996 – 2023 Jason A. Donenfeld. All Rights Reverse Engineered.