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iwlwifi: add TLV to specify the size of phy calibration table

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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>
This commit is contained in:
Wey-Yi Guy 2010-07-13 17:13:15 -07:00
parent ffb7d896b3
commit 6a822d060c
4 changed files with 37 additions and 4 deletions
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4
drivers/net/wireless/iwlwifi/iwl-agn-hcmd.c
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@ -164,7 +164,7 @@ static void iwlagn_gain_computation(struct iwl_priv *priv,
memset(&cmd, 0, sizeof(cmd));
cmd.hdr.op_code = IWL_PHY_CALIBRATE_CHAIN_NOISE_GAIN_CMD;
cmd.hdr.op_code = priv->_agn.phy_calib_chain_noise_gain_cmd;
cmd.hdr.first_group = 0;
cmd.hdr.groups_num = 1;
cmd.hdr.data_valid = 1;
@ -197,7 +197,7 @@ static void iwlagn_chain_noise_reset(struct iwl_priv *priv)
data->beacon_count = 0;
memset(&cmd, 0, sizeof(cmd));
cmd.hdr.op_code = IWL_PHY_CALIBRATE_CHAIN_NOISE_RESET_CMD;
cmd.hdr.op_code = priv->_agn.phy_calib_chain_noise_reset_cmd;
cmd.hdr.first_group = 0;
cmd.hdr.groups_num = 1;
cmd.hdr.data_valid = 1;

24
drivers/net/wireless/iwlwifi/iwl-agn.c
View File

@ -1692,6 +1692,7 @@ static void iwl_nic_start(struct iwl_priv *priv)
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 @@ static int iwlagn_load_firmware(struct iwl_priv *priv,
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 @@ static void iwl_ucode_callback(const struct firmware *ucode_raw, void *context)
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 @@ static void iwl_ucode_callback(const struct firmware *ucode_raw, void *context)
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...
*

4
drivers/net/wireless/iwlwifi/iwl-commands.h
View File

@ -3660,10 +3660,10 @@ enum {
IWL_PHY_CALIBRATE_CRYSTAL_FRQ_CMD = 15,
IWL_PHY_CALIBRATE_BASE_BAND_CMD = 16,
IWL_PHY_CALIBRATE_TX_IQ_PERD_CMD = 17,
IWL_PHY_CALIBRATE_CHAIN_NOISE_RESET_CMD = 18,
IWL_PHY_CALIBRATE_CHAIN_NOISE_GAIN_CMD = 19,
IWL_MAX_STANDARD_PHY_CALIBRATE_TBL_SIZE = 18,
};
#define IWL_MAX_PHY_CALIBRATE_TBL_SIZE (253)
#define IWL_CALIB_INIT_CFG_ALL cpu_to_le32(0xffffffff)

9
drivers/net/wireless/iwlwifi/iwl-dev.h
View File

@ -571,6 +571,7 @@ enum iwl_ucode_tlv_type {
IWL_UCODE_TLV_INIT_EVTLOG_SIZE = 12,
IWL_UCODE_TLV_INIT_ERRLOG_PTR = 13,
IWL_UCODE_TLV_ENHANCE_SENS_TBL = 14,
IWL_UCODE_TLV_PHY_CALIBRATION_SIZE = 15,
};
struct iwl_ucode_tlv {
@ -1321,6 +1322,14 @@ struct iwl_priv {
u32 init_evtlog_ptr, init_evtlog_size, init_errlog_ptr;
u32 inst_evtlog_ptr, inst_evtlog_size, inst_errlog_ptr;
/*
* chain noise reset and gain commands are the
* two extra calibration commands follows the standard
* phy calibration commands
*/
u8 phy_calib_chain_noise_reset_cmd;
u8 phy_calib_chain_noise_gain_cmd;
struct iwl_notif_statistics statistics;
struct iwl_bt_notif_statistics statistics_bt;
#ifdef CONFIG_IWLWIFI_DEBUGFS