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iwlwifi: send cmd to uCode to configure valid tx antenna

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In order for uCode to select the valid antennas for transmit, driver
need to configure the allowed tx antennas through host command.

The TX_ANT_CONFIGURATION_CMD should be used for 5000 series and up

Signed-off-by: Wey-Yi Guy <wey-yi.w.guy@intel.com>
Signed-off-by: Reinette Chatre <reinette.chatre@intel.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
This commit is contained in:
Wey-Yi Guy 2009-09-17 10:43:51 -07:00 committed by John W. Linville
parent e3949d6286
commit 2f748decee
4 changed files with 35 additions and 1 deletions
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19
drivers/net/wireless/iwlwifi/iwl-5000.c
View File

@ -1450,6 +1450,24 @@ int iwl5000_calc_rssi(struct iwl_priv *priv,
return max_rssi - agc - IWL49_RSSI_OFFSET;
}
static int iwl5000_send_tx_ant_config(struct iwl_priv *priv, u8 valid_tx_ant)
{
struct iwl_tx_ant_config_cmd tx_ant_cmd = {
.valid = cpu_to_le32(valid_tx_ant),
};
if (IWL_UCODE_API(priv->ucode_ver) > 1) {
IWL_DEBUG_HC(priv, "select valid tx ant: %u\n", valid_tx_ant);
return iwl_send_cmd_pdu(priv, TX_ANT_CONFIGURATION_CMD,
sizeof(struct iwl_tx_ant_config_cmd),
&tx_ant_cmd);
} else {
IWL_DEBUG_HC(priv, "TX_ANT_CONFIGURATION_CMD not supported\n");
return -EOPNOTSUPP;
}
}
#define IWL5000_UCODE_GET(item) \
static u32 iwl5000_ucode_get_##item(const struct iwl_ucode_header *ucode,\
u32 api_ver) \
@ -1492,6 +1510,7 @@ struct iwl_hcmd_ops iwl5000_hcmd = {
.rxon_assoc = iwl5000_send_rxon_assoc,
.commit_rxon = iwl_commit_rxon,
.set_rxon_chain = iwl_set_rxon_chain,
.set_tx_ant = iwl5000_send_tx_ant_config,
};
struct iwl_hcmd_utils_ops iwl5000_hcmd_utils = {

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

@ -1762,6 +1762,10 @@ static void iwl_alive_start(struct iwl_priv *priv)
priv->active_rate = priv->rates_mask;
priv->active_rate_basic = priv->rates_mask & IWL_BASIC_RATES_MASK;
/* Configure Tx antenna selection based on H/W config */
if (priv->cfg->ops->hcmd->set_tx_ant)
priv->cfg->ops->hcmd->set_tx_ant(priv, priv->cfg->valid_tx_ant);
if (iwl_is_associated(priv)) {
struct iwl_rxon_cmd *active_rxon =
(struct iwl_rxon_cmd *)&priv->active_rxon;

12
drivers/net/wireless/iwlwifi/iwl-commands.h
View File

@ -148,7 +148,7 @@ enum {
QUIET_NOTIFICATION = 0x96, /* not used */
REPLY_TX_PWR_TABLE_CMD = 0x97,
REPLY_TX_POWER_DBM_CMD_V1 = 0x98, /* old version of API */
TX_ANT_CONFIGURATION_CMD = 0x98, /* not used */
TX_ANT_CONFIGURATION_CMD = 0x98,
MEASURE_ABORT_NOTIFICATION = 0x99, /* not used */
/* Bluetooth device coexistence config command */
@ -411,6 +411,16 @@ struct iwl5000_tx_power_dbm_cmd {
u8 reserved;
} __attribute__ ((packed));
/**
* Command TX_ANT_CONFIGURATION_CMD = 0x98
* This command is used to configure valid Tx antenna.
* By default uCode concludes the valid antenna according to the radio flavor.
* This command enables the driver to override/modify this conclusion.
*/
struct iwl_tx_ant_config_cmd {
__le32 valid;
} __attribute__ ((packed));
/******************************************************************************
* (0a)
* Alive and Error Commands & Responses:

1
drivers/net/wireless/iwlwifi/iwl-core.h
View File

@ -89,6 +89,7 @@ struct iwl_hcmd_ops {
int (*rxon_assoc)(struct iwl_priv *priv);
int (*commit_rxon)(struct iwl_priv *priv);
void (*set_rxon_chain)(struct iwl_priv *priv);
int (*set_tx_ant)(struct iwl_priv *priv, u8 valid_tx_ant);
};
struct iwl_hcmd_utils_ops {