iwlwifi: add TLV to specify the size of phy calibration table
Different devices have different size of phy calibration table; add
new TLV to specify the size. If the TLV is not part of uCode header, the
default table size will be used to make sure the backward
compatibilities.
Signed-off-by: Wey-Yi Guy <wey-yi.w.guy@intel.com>
diff --git a/drivers/net/wireless/iwlwifi/iwl-agn.c b/drivers/net/wireless/iwlwifi/iwl-agn.c
index 33a8f13..db86f70 100644
--- a/drivers/net/wireless/iwlwifi/iwl-agn.c
+++ b/drivers/net/wireless/iwlwifi/iwl-agn.c
@@ -1692,6 +1692,7 @@
struct iwlagn_ucode_capabilities {
u32 max_probe_length;
+ u32 standard_phy_calibration_size;
};
static void iwl_ucode_callback(const struct firmware *ucode_raw, void *context);
@@ -1967,6 +1968,13 @@
else
priv->enhance_sensitivity_table = true;
break;
+ case IWL_UCODE_TLV_PHY_CALIBRATION_SIZE:
+ if (tlv_len != fixed_tlv_size)
+ ret = -EINVAL;
+ else
+ capa->standard_phy_calibration_size =
+ le32_to_cpup((__le32 *)tlv_data);
+ break;
default:
IWL_WARN(priv, "unknown TLV: %d\n", tlv_type);
break;
@@ -2005,6 +2013,8 @@
u32 build;
struct iwlagn_ucode_capabilities ucode_capa = {
.max_probe_length = 200,
+ .standard_phy_calibration_size =
+ IWL_MAX_STANDARD_PHY_CALIBRATE_TBL_SIZE,
};
memset(&pieces, 0, sizeof(pieces));
@@ -2226,6 +2236,20 @@
pieces.boot_size);
memcpy(priv->ucode_boot.v_addr, pieces.boot, pieces.boot_size);
+ /*
+ * figure out the offset of chain noise reset and gain commands
+ * base on the size of standard phy calibration commands table size
+ */
+ if (ucode_capa.standard_phy_calibration_size >
+ IWL_MAX_PHY_CALIBRATE_TBL_SIZE)
+ ucode_capa.standard_phy_calibration_size =
+ IWL_MAX_STANDARD_PHY_CALIBRATE_TBL_SIZE;
+
+ priv->_agn.phy_calib_chain_noise_reset_cmd =
+ ucode_capa.standard_phy_calibration_size;
+ priv->_agn.phy_calib_chain_noise_gain_cmd =
+ ucode_capa.standard_phy_calibration_size + 1;
+
/**************************************************
* This is still part of probe() in a sense...
*