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authorAmitkumar Karwar <akarwar@marvell.com>2012-06-27 19:57:57 -0700
committerJohn W. Linville <linville@tuxdriver.com>2012-06-28 14:37:49 -0400
commitcaa8984f59b8be220767886ae27de855f77e6a61 (patch)
treec7fe8bcf7a390f5982fe68a40f7e2d996446704c /drivers
parent1a1fb970472d66d1668ff66bc46c2cd977f9a4fc (diff)
downloadop-kernel-dev-caa8984f59b8be220767886ae27de855f77e6a61.zip
op-kernel-dev-caa8984f59b8be220767886ae27de855f77e6a61.tar.gz
mwifiex: use correct firmware command to get power limits
"priv->max_tx_power_level" and "priv->min_tx_power_level" variables are initialized to maximum and minimum power levels supported by hardware by sending correct firmware command. Signed-off-by: Amitkumar Karwar <akarwar@marvell.com> Signed-off-by: Bing Zhao <bzhao@marvell.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
Diffstat (limited to 'drivers')
-rw-r--r--drivers/net/wireless/mwifiex/fw.h9
-rw-r--r--drivers/net/wireless/mwifiex/sta_cmd.c23
-rw-r--r--drivers/net/wireless/mwifiex/sta_cmdresp.c27
3 files changed, 58 insertions, 1 deletions
diff --git a/drivers/net/wireless/mwifiex/fw.h b/drivers/net/wireless/mwifiex/fw.h
index 1184141..ffb6cdf 100644
--- a/drivers/net/wireless/mwifiex/fw.h
+++ b/drivers/net/wireless/mwifiex/fw.h
@@ -226,6 +226,7 @@ enum MWIFIEX_802_11_PRIVACY_FILTER {
#define HostCmd_CMD_RF_REG_ACCESS 0x001b
#define HostCmd_CMD_PMIC_REG_ACCESS 0x00ad
#define HostCmd_CMD_802_11_RF_CHANNEL 0x001d
+#define HostCmd_CMD_RF_TX_PWR 0x001e
#define HostCmd_CMD_802_11_DEAUTHENTICATE 0x0024
#define HostCmd_CMD_MAC_CONTROL 0x0028
#define HostCmd_CMD_802_11_AD_HOC_START 0x002b
@@ -876,6 +877,13 @@ struct host_cmd_ds_txpwr_cfg {
__le32 mode;
} __packed;
+struct host_cmd_ds_rf_tx_pwr {
+ __le16 action;
+ __le16 cur_level;
+ u8 max_power;
+ u8 min_power;
+} __packed;
+
struct mwifiex_bcn_param {
u8 bssid[ETH_ALEN];
u8 rssi;
@@ -1361,6 +1369,7 @@ struct host_cmd_ds_command {
struct host_cmd_ds_tx_rate_query tx_rate;
struct host_cmd_ds_tx_rate_cfg tx_rate_cfg;
struct host_cmd_ds_txpwr_cfg txp_cfg;
+ struct host_cmd_ds_rf_tx_pwr txp;
struct host_cmd_ds_802_11_ps_mode_enh psmode_enh;
struct host_cmd_ds_802_11_hs_cfg_enh opt_hs_cfg;
struct host_cmd_ds_802_11_scan scan;
diff --git a/drivers/net/wireless/mwifiex/sta_cmd.c b/drivers/net/wireless/mwifiex/sta_cmd.c
index 40e025d..2d4319a 100644
--- a/drivers/net/wireless/mwifiex/sta_cmd.c
+++ b/drivers/net/wireless/mwifiex/sta_cmd.c
@@ -260,6 +260,23 @@ static int mwifiex_cmd_tx_power_cfg(struct host_cmd_ds_command *cmd,
}
/*
+ * This function prepares command to get RF Tx power.
+ */
+static int mwifiex_cmd_rf_tx_power(struct mwifiex_private *priv,
+ struct host_cmd_ds_command *cmd,
+ u16 cmd_action, void *data_buf)
+{
+ struct host_cmd_ds_rf_tx_pwr *txp = &cmd->params.txp;
+
+ cmd->size = cpu_to_le16(sizeof(struct host_cmd_ds_rf_tx_pwr)
+ + S_DS_GEN);
+ cmd->command = cpu_to_le16(HostCmd_CMD_RF_TX_PWR);
+ txp->action = cpu_to_le16(cmd_action);
+
+ return 0;
+}
+
+/*
* This function prepares command to set Host Sleep configuration.
*
* Preparation includes -
@@ -1055,6 +1072,10 @@ int mwifiex_sta_prepare_cmd(struct mwifiex_private *priv, uint16_t cmd_no,
ret = mwifiex_cmd_tx_power_cfg(cmd_ptr, cmd_action,
data_buf);
break;
+ case HostCmd_CMD_RF_TX_PWR:
+ ret = mwifiex_cmd_rf_tx_power(priv, cmd_ptr, cmd_action,
+ data_buf);
+ break;
case HostCmd_CMD_802_11_PS_MODE_ENH:
ret = mwifiex_cmd_enh_power_mode(priv, cmd_ptr, cmd_action,
(uint16_t)cmd_oid, data_buf);
@@ -1283,7 +1304,7 @@ int mwifiex_sta_init_cmd(struct mwifiex_private *priv, u8 first_sta)
priv->data_rate = 0;
/* get tx power */
- ret = mwifiex_send_cmd_async(priv, HostCmd_CMD_TXPWR_CFG,
+ ret = mwifiex_send_cmd_async(priv, HostCmd_CMD_RF_TX_PWR,
HostCmd_ACT_GEN_GET, 0, NULL);
if (ret)
return -1;
diff --git a/drivers/net/wireless/mwifiex/sta_cmdresp.c b/drivers/net/wireless/mwifiex/sta_cmdresp.c
index a79ed9b..4cb2c1c 100644
--- a/drivers/net/wireless/mwifiex/sta_cmdresp.c
+++ b/drivers/net/wireless/mwifiex/sta_cmdresp.c
@@ -451,6 +451,30 @@ static int mwifiex_ret_tx_power_cfg(struct mwifiex_private *priv,
}
/*
+ * This function handles the command response of get RF Tx power.
+ */
+static int mwifiex_ret_rf_tx_power(struct mwifiex_private *priv,
+ struct host_cmd_ds_command *resp)
+{
+ struct host_cmd_ds_rf_tx_pwr *txp = &resp->params.txp;
+ u16 action = le16_to_cpu(txp->action);
+
+ priv->tx_power_level = le16_to_cpu(txp->cur_level);
+
+ if (action == HostCmd_ACT_GEN_GET) {
+ priv->max_tx_power_level = txp->max_power;
+ priv->min_tx_power_level = txp->min_power;
+ }
+
+ dev_dbg(priv->adapter->dev,
+ "Current TxPower Level=%d, Max Power=%d, Min Power=%d\n",
+ priv->tx_power_level, priv->max_tx_power_level,
+ priv->min_tx_power_level);
+
+ return 0;
+}
+
+/*
* This function handles the command response of set/get MAC address.
*
* Handling includes saving the MAC address in driver.
@@ -847,6 +871,9 @@ int mwifiex_process_sta_cmdresp(struct mwifiex_private *priv, u16 cmdresp_no,
case HostCmd_CMD_TXPWR_CFG:
ret = mwifiex_ret_tx_power_cfg(priv, resp);
break;
+ case HostCmd_CMD_RF_TX_PWR:
+ ret = mwifiex_ret_rf_tx_power(priv, resp);
+ break;
case HostCmd_CMD_802_11_PS_MODE_ENH:
ret = mwifiex_ret_enh_power_mode(priv, resp, data_buf);
break;
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