summaryrefslogtreecommitdiff
path: root/drivers/net/wireless/intel/iwlwifi/iwl-nvm-parse.c
diff options
context:
space:
mode:
authorShaul Triebitz <shaul.triebitz@intel.com>2018-01-24 16:12:49 +0200
committerLuca Coelho <luciano.coelho@intel.com>2018-04-20 10:57:16 +0300
commit4c625c564ba2cf92fdd9cb7387d30be04139f77b (patch)
treea0c1df889a662c7b1c89f066ad553b6f579e9833 /drivers/net/wireless/intel/iwlwifi/iwl-nvm-parse.c
parent28e9c00fe1f0b1ff811d23dcffbf632b85f33797 (diff)
downloadlwn-4c625c564ba2cf92fdd9cb7387d30be04139f77b.tar.gz
lwn-4c625c564ba2cf92fdd9cb7387d30be04139f77b.zip
iwlwifi: get rid of fw/nvm.c
There's already an opmode common file for nvm iwl-nvm-parse.c Move the content of fw/nvm.c to iwl-nvm-parse.c and delete fw/nvm.c. Signed-off-by: Shaul Triebitz <shaul.triebitz@intel.com> Signed-off-by: Luca Coelho <luciano.coelho@intel.com>
Diffstat (limited to 'drivers/net/wireless/intel/iwlwifi/iwl-nvm-parse.c')
-rw-r--r--drivers/net/wireless/intel/iwlwifi/iwl-nvm-parse.c111
1 files changed, 104 insertions, 7 deletions
diff --git a/drivers/net/wireless/intel/iwlwifi/iwl-nvm-parse.c b/drivers/net/wireless/intel/iwlwifi/iwl-nvm-parse.c
index a6246dc9f025..6d33c14579d9 100644
--- a/drivers/net/wireless/intel/iwlwifi/iwl-nvm-parse.c
+++ b/drivers/net/wireless/intel/iwlwifi/iwl-nvm-parse.c
@@ -80,6 +80,9 @@
#include "iwl-csr.h"
#include "fw/acpi.h"
#include "fw/api/nvm-reg.h"
+#include "fw/api/commands.h"
+#include "fw/api/cmdhdr.h"
+#include "fw/img.h"
/* NVM offsets (in words) definitions */
enum nvm_offsets {
@@ -460,9 +463,10 @@ static void iwl_init_vht_hw_capab(const struct iwl_cfg *cfg,
vht_cap->vht_mcs.tx_mcs_map = vht_cap->vht_mcs.rx_mcs_map;
}
-void iwl_init_sbands(struct device *dev, const struct iwl_cfg *cfg,
- struct iwl_nvm_data *data, const __le16 *nvm_ch_flags,
- u8 tx_chains, u8 rx_chains, u32 sbands_flags)
+static void iwl_init_sbands(struct device *dev, const struct iwl_cfg *cfg,
+ struct iwl_nvm_data *data,
+ const __le16 *nvm_ch_flags, u8 tx_chains,
+ u8 rx_chains, u32 sbands_flags)
{
int n_channels;
int n_used = 0;
@@ -495,7 +499,6 @@ void iwl_init_sbands(struct device *dev, const struct iwl_cfg *cfg,
IWL_ERR_DEV(dev, "NVM: used only %d of %d channels\n",
n_used, n_channels);
}
-IWL_EXPORT_SYMBOL(iwl_init_sbands);
static int iwl_get_sku(const struct iwl_cfg *cfg, const __le16 *nvm_sw,
const __le16 *phy_sku)
@@ -573,8 +576,8 @@ static void iwl_flip_hw_address(__le32 mac_addr0, __le32 mac_addr1, u8 *dest)
dest[5] = hw_addr[0];
}
-void iwl_set_hw_address_from_csr(struct iwl_trans *trans,
- struct iwl_nvm_data *data)
+static void iwl_set_hw_address_from_csr(struct iwl_trans *trans,
+ struct iwl_nvm_data *data)
{
__le32 mac_addr0 = cpu_to_le32(iwl_read32(trans, CSR_MAC_ADDR0_STRAP));
__le32 mac_addr1 = cpu_to_le32(iwl_read32(trans, CSR_MAC_ADDR1_STRAP));
@@ -592,7 +595,6 @@ void iwl_set_hw_address_from_csr(struct iwl_trans *trans,
iwl_flip_hw_address(mac_addr0, mac_addr1, data->hw_addr);
}
-IWL_EXPORT_SYMBOL(iwl_set_hw_address_from_csr);
static void iwl_set_hw_address_family_8000(struct iwl_trans *trans,
const struct iwl_cfg *cfg,
@@ -1145,3 +1147,98 @@ out:
return ret;
}
IWL_EXPORT_SYMBOL(iwl_read_external_nvm);
+
+struct iwl_nvm_data *iwl_get_nvm(struct iwl_trans *trans,
+ const struct iwl_fw *fw)
+{
+ struct iwl_nvm_get_info cmd = {};
+ struct iwl_nvm_get_info_rsp *rsp;
+ struct iwl_nvm_data *nvm;
+ 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(&fw->ucode_capa,
+ IWL_UCODE_TLV_CAPA_LAR_SUPPORT);
+ u32 mac_flags;
+ u32 sbands_flags = 0;
+
+ ret = iwl_trans_send_cmd(trans, &hcmd);
+ if (ret)
+ return ERR_PTR(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) & NVM_GENERAL_FLAGS_EMPTY_OTP)
+ IWL_INFO(trans, "OTP is empty\n");
+
+ nvm = kzalloc(sizeof(*nvm) +
+ sizeof(struct ieee80211_channel) * IWL_NUM_CHANNELS,
+ GFP_KERNEL);
+ if (!nvm) {
+ ret = -ENOMEM;
+ goto out;
+ }
+
+ iwl_set_hw_address_from_csr(trans, nvm);
+ /* TODO: if platform NVM has MAC address - override it here */
+
+ if (!is_valid_ether_addr(nvm->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", nvm->hw_addr);
+
+ /* Initialize general data */
+ nvm->nvm_version = le16_to_cpu(rsp->general.nvm_version);
+
+ /* Initialize MAC sku data */
+ mac_flags = le32_to_cpu(rsp->mac_sku.mac_sku_flags);
+ nvm->sku_cap_11ac_enable =
+ !!(mac_flags & NVM_MAC_SKU_FLAGS_802_11AC_ENABLED);
+ nvm->sku_cap_11n_enable =
+ !!(mac_flags & NVM_MAC_SKU_FLAGS_802_11N_ENABLED);
+ nvm->sku_cap_band_24ghz_enable =
+ !!(mac_flags & NVM_MAC_SKU_FLAGS_BAND_2_4_ENABLED);
+ nvm->sku_cap_band_52ghz_enable =
+ !!(mac_flags & NVM_MAC_SKU_FLAGS_BAND_5_2_ENABLED);
+ nvm->sku_cap_mimo_disabled =
+ !!(mac_flags & NVM_MAC_SKU_FLAGS_MIMO_DISABLED);
+
+ /* Initialize PHY sku data */
+ nvm->valid_tx_ant = (u8)le32_to_cpu(rsp->phy_sku.tx_chains);
+ nvm->valid_rx_ant = (u8)le32_to_cpu(rsp->phy_sku.rx_chains);
+
+ if (le32_to_cpu(rsp->regulatory.lar_enabled) && lar_fw_supported) {
+ nvm->lar_enabled = true;
+ sbands_flags |= IWL_NVM_SBANDS_FLAGS_LAR;
+ }
+
+ iwl_init_sbands(trans->dev, trans->cfg, nvm,
+ rsp->regulatory.channel_profile,
+ nvm->valid_tx_ant & fw->valid_tx_ant,
+ nvm->valid_rx_ant & fw->valid_rx_ant,
+ sbands_flags);
+
+ iwl_free_resp(&hcmd);
+ return nvm;
+
+err_free:
+ kfree(nvm);
+out:
+ iwl_free_resp(&hcmd);
+ return ERR_PTR(ret);
+}
+IWL_EXPORT_SYMBOL(iwl_get_nvm);