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iwlagn: add support for v2 of temperature offset calibration

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For 2000 series of NICs, version 2 of temperature offset calibration
should be used.

Signed-off-by: Wey-Yi Guy <wey-yi.w.guy@intel.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
This commit is contained in:
Wey-Yi Guy 2011-09-15 11:46:50 -07:00 committed by John W. Linville
parent 18d0077f0c
commit c6f30347a7
6 changed files with 62 additions and 6 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

4
drivers/net/wireless/iwlwifi/iwl-2000.c
View File

@ -264,6 +264,7 @@ static struct iwl_bt_params iwl2030_bt_params = {
.base_params = &iwl2000_base_params, \
.need_dc_calib = true, \
.need_temp_offset_calib = true, \
.temp_offset_v2 = true, \
.led_mode = IWL_LED_RF_STATE, \
.iq_invert = true \
@ -296,6 +297,7 @@ struct iwl_cfg iwl2000_2bgn_d_cfg = {
.bt_params = &iwl2030_bt_params, \
.need_dc_calib = true, \
.need_temp_offset_calib = true, \
.temp_offset_v2 = true, \
.led_mode = IWL_LED_RF_STATE, \
.adv_pm = true, \
.iq_invert = true \
@ -322,6 +324,7 @@ struct iwl_cfg iwl2030_2bg_cfg = {
.base_params = &iwl2000_base_params, \
.need_dc_calib = true, \
.need_temp_offset_calib = true, \
.temp_offset_v2 = true, \
.led_mode = IWL_LED_RF_STATE, \
.adv_pm = true, \
.rx_with_siso_diversity = true, \
@ -350,6 +353,7 @@ struct iwl_cfg iwl105_bgn_cfg = {
.bt_params = &iwl2030_bt_params, \
.need_dc_calib = true, \
.need_temp_offset_calib = true, \
.temp_offset_v2 = true, \
.led_mode = IWL_LED_RF_STATE, \
.adv_pm = true, \
.rx_with_siso_diversity = true, \

4
drivers/net/wireless/iwlwifi/iwl-5000-hw.h
View File

@ -74,8 +74,8 @@
static inline s32 iwl_temp_calib_to_offset(struct iwl_priv *priv)
{
u16 temperature, voltage;
__le16 *temp_calib =
(__le16 *)iwl_eeprom_query_addr(priv, EEPROM_TEMPERATURE);
__le16 *temp_calib = (__le16 *)iwl_eeprom_query_addr(priv,
EEPROM_KELVIN_TEMPERATURE);
temperature = le16_to_cpu(temp_calib[0]);
voltage = le16_to_cpu(temp_calib[1]);

45
drivers/net/wireless/iwlwifi/iwl-agn-ucode.c
View File

@ -164,7 +164,7 @@ static int iwlagn_set_temperature_offset_calib(struct iwl_priv *priv)
{
struct iwl_calib_temperature_offset_cmd cmd;
__le16 *offset_calib =
(__le16 *)iwl_eeprom_query_addr(priv, EEPROM_TEMPERATURE);
(__le16 *)iwl_eeprom_query_addr(priv, EEPROM_RAW_TEMPERATURE);
memset(&cmd, 0, sizeof(cmd));
iwl_set_calib_hdr(&cmd.hdr, IWL_PHY_CALIBRATE_TEMP_OFFSET_CMD);
@ -178,6 +178,41 @@ static int iwlagn_set_temperature_offset_calib(struct iwl_priv *priv)
(u8 *)&cmd, sizeof(cmd));
}
static int iwlagn_set_temperature_offset_calib_v2(struct iwl_priv *priv)
{
struct iwl_calib_temperature_offset_v2_cmd cmd;
__le16 *offset_calib_high = (__le16 *)iwl_eeprom_query_addr(priv,
EEPROM_KELVIN_TEMPERATURE);
__le16 *offset_calib_low =
(__le16 *)iwl_eeprom_query_addr(priv, EEPROM_RAW_TEMPERATURE);
__le16 *voltage_reading =
(__le16 *)iwl_eeprom_query_addr(priv, EEPROM_VOLTAGE_READING);
memset(&cmd, 0, sizeof(cmd));
iwl_set_calib_hdr(&cmd.hdr, IWL_PHY_CALIBRATE_TEMP_OFFSET_CMD);
memcpy(&cmd.radio_sensor_offset_high, offset_calib_high,
sizeof(offset_calib_high));
memcpy(&cmd.radio_sensor_offset_low, offset_calib_low,
sizeof(offset_calib_low));
if (!(cmd.radio_sensor_offset_low)) {
IWL_DEBUG_CALIB(priv, "no info in EEPROM, use default\n");
cmd.radio_sensor_offset_low = DEFAULT_RADIO_SENSOR_OFFSET;
cmd.radio_sensor_offset_high = DEFAULT_RADIO_SENSOR_OFFSET;
}
memcpy(&cmd.burntVoltageRef, voltage_reading,
sizeof(voltage_reading));
IWL_DEBUG_CALIB(priv, "Radio sensor offset high: %d\n",
le16_to_cpu(cmd.radio_sensor_offset_high));
IWL_DEBUG_CALIB(priv, "Radio sensor offset low: %d\n",
le16_to_cpu(cmd.radio_sensor_offset_low));
IWL_DEBUG_CALIB(priv, "Voltage Ref: %d\n",
le16_to_cpu(cmd.burntVoltageRef));
return iwl_calib_set(&priv->calib_results[IWL_CALIB_TEMP_OFFSET],
(u8 *)&cmd, sizeof(cmd));
}
static int iwlagn_send_calib_cfg(struct iwl_priv *priv)
{
struct iwl_calib_cfg_cmd calib_cfg_cmd;
@ -263,8 +298,12 @@ int iwlagn_init_alive_start(struct iwl_priv *priv)
* temperature offset calibration is only needed for runtime ucode,
* so prepare the value now.
*/
if (priv->cfg->need_temp_offset_calib)
return iwlagn_set_temperature_offset_calib(priv);
if (priv->cfg->need_temp_offset_calib) {
if (priv->cfg->temp_offset_v2)
return iwlagn_set_temperature_offset_calib_v2(priv);
else
return iwlagn_set_temperature_offset_calib(priv);
}
return 0;
}

8
drivers/net/wireless/iwlwifi/iwl-commands.h
View File

@ -3263,6 +3263,14 @@ struct iwl_calib_temperature_offset_cmd {
__le16 reserved;
} __packed;
struct iwl_calib_temperature_offset_v2_cmd {
struct iwl_calib_hdr hdr;
__le16 radio_sensor_offset_high;
__le16 radio_sensor_offset_low;
__le16 burntVoltageRef;
__le16 reserved;
} __packed;
/* IWL_PHY_CALIBRATE_CHAIN_NOISE_RESET_CMD */
struct iwl_calib_chain_noise_reset_cmd {
struct iwl_calib_hdr hdr;

2
drivers/net/wireless/iwlwifi/iwl-core.h
View File

@ -193,6 +193,7 @@ struct iwl_ht_params {
* @rx_with_siso_diversity: 1x1 device with rx antenna diversity
* @internal_wimax_coex: internal wifi/wimax combo device
* @iq_invert: I/Q inversion
* @temp_offset_v2: support v2 of temperature offset calibration
*
* We enable the driver to be backward compatible wrt API version. The
* driver specifies which APIs it supports (with @ucode_api_max being the
@ -230,6 +231,7 @@ struct iwl_cfg {
const bool rx_with_siso_diversity;
const bool internal_wimax_coex;
const bool iq_invert;
const bool temp_offset_v2;
};
/***************************

5
drivers/net/wireless/iwlwifi/iwl-eeprom.h
View File

@ -167,7 +167,10 @@ struct iwl_eeprom_enhanced_txpwr {
#define EEPROM_XTAL ((2*0x128) | EEPROM_CALIB_ALL)
/* temperature */
#define EEPROM_TEMPERATURE ((2*0x12A) | EEPROM_CALIB_ALL)
#define EEPROM_VOLTAGE_READING ((2*0x1) | EEPROM_CALIB_ALL)
#define EEPROM_KELVIN_TEMPERATURE ((2*0x12A) | EEPROM_CALIB_ALL)
#define EEPROM_RAW_TEMPERATURE ((2*0x12B) | EEPROM_CALIB_ALL)
/* agn links */
#define EEPROM_LINK_HOST (2*0x64)