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path: root/drivers/net/wireless/iwlwifi/iwl-power.c
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Diffstat (limited to 'drivers/net/wireless/iwlwifi/iwl-power.c')
-rw-r--r--drivers/net/wireless/iwlwifi/iwl-power.c102
1 files changed, 42 insertions, 60 deletions
diff --git a/drivers/net/wireless/iwlwifi/iwl-power.c b/drivers/net/wireless/iwlwifi/iwl-power.c
index 75ca6a542174..18b7e4195ea1 100644
--- a/drivers/net/wireless/iwlwifi/iwl-power.c
+++ b/drivers/net/wireless/iwlwifi/iwl-power.c
@@ -1,6 +1,6 @@
/******************************************************************************
*
- * Copyright(c) 2007 - 2008 Intel Corporation. All rights reserved.
+ * Copyright(c) 2007 - 2009 Intel Corporation. All rights reserved.
*
* Portions of this file are derived from the ipw3945 project, as well
* as portions of the ieee80211 subsystem header files.
@@ -60,14 +60,6 @@
#define IWL_POWER_RANGE_1_MAX (10)
-#define NOSLP __constant_cpu_to_le16(0), 0, 0
-#define SLP IWL_POWER_DRIVER_ALLOW_SLEEP_MSK, 0, 0
-#define SLP_TOUT(T) __constant_cpu_to_le32((T) * MSEC_TO_USEC)
-#define SLP_VEC(X0, X1, X2, X3, X4) {__constant_cpu_to_le32(X0), \
- __constant_cpu_to_le32(X1), \
- __constant_cpu_to_le32(X2), \
- __constant_cpu_to_le32(X3), \
- __constant_cpu_to_le32(X4)}
#define IWL_POWER_ON_BATTERY IWL_POWER_INDEX_5
#define IWL_POWER_ON_AC_DISASSOC IWL_POWER_MODE_CAM
@@ -110,6 +102,7 @@ static struct iwl_power_vec_entry range_2[IWL_POWER_MAX] = {
{{SLP, SLP_TOUT(25), SLP_TOUT(25), SLP_VEC(4, 7, 10, 10, 0xFF)}, 0}
};
+
/* set card power command */
static int iwl_set_power(struct iwl_priv *priv, void *cmd)
{
@@ -134,13 +127,6 @@ static u16 iwl_get_auto_power_mode(struct iwl_priv *priv)
else
mode = IWL_POWER_ON_AC_DISASSOC;
break;
- /* FIXME: remove battery and ac from here */
- case IWL_POWER_BATTERY:
- mode = IWL_POWER_INDEX_3;
- break;
- case IWL_POWER_AC:
- mode = IWL_POWER_MODE_CAM;
- break;
default:
mode = priv->power_data.user_power_setting;
break;
@@ -149,17 +135,17 @@ static u16 iwl_get_auto_power_mode(struct iwl_priv *priv)
}
/* initialize to default */
-static int iwl_power_init_handle(struct iwl_priv *priv)
+static void iwl_power_init_handle(struct iwl_priv *priv)
{
struct iwl_power_mgr *pow_data;
int size = sizeof(struct iwl_power_vec_entry) * IWL_POWER_MAX;
struct iwl_powertable_cmd *cmd;
int i;
- u16 pci_pm;
+ u16 lctl;
- IWL_DEBUG_POWER("Initialize power \n");
+ IWL_DEBUG_POWER(priv, "Initialize power \n");
- pow_data = &(priv->power_data);
+ pow_data = &priv->power_data;
memset(pow_data, 0, sizeof(*pow_data));
@@ -167,38 +153,37 @@ static int iwl_power_init_handle(struct iwl_priv *priv)
memcpy(&pow_data->pwr_range_1[0], &range_1[0], size);
memcpy(&pow_data->pwr_range_2[0], &range_2[0], size);
- pci_read_config_word(priv->pci_dev, PCI_CFG_LINK_CTRL, &pci_pm);
+ lctl = iwl_pcie_link_ctl(priv);
- IWL_DEBUG_POWER("adjust power command flags\n");
+ IWL_DEBUG_POWER(priv, "adjust power command flags\n");
for (i = 0; i < IWL_POWER_MAX; i++) {
cmd = &pow_data->pwr_range_0[i].cmd;
- if (pci_pm & PCI_CFG_LINK_CTRL_VAL_L0S_EN)
+ if (lctl & PCI_CFG_LINK_CTRL_VAL_L0S_EN)
cmd->flags &= ~IWL_POWER_PCI_PM_MSK;
else
cmd->flags |= IWL_POWER_PCI_PM_MSK;
}
- return 0;
}
/* adjust power command according to DTIM period and power level*/
-static int iwl_update_power_command(struct iwl_priv *priv,
- struct iwl_powertable_cmd *cmd,
- u16 mode)
+static int iwl_update_power_cmd(struct iwl_priv *priv,
+ struct iwl_powertable_cmd *cmd, u16 mode)
{
- int ret = 0, i;
- u8 skip;
- u32 max_sleep = 0;
struct iwl_power_vec_entry *range;
- u8 period = 0;
struct iwl_power_mgr *pow_data;
+ int i;
+ u32 max_sleep = 0;
+ u8 period;
+ bool skip;
if (mode > IWL_POWER_INDEX_5) {
- IWL_DEBUG_POWER("Error invalid power mode \n");
- return -1;
+ IWL_DEBUG_POWER(priv, "Error invalid power mode \n");
+ return -EINVAL;
}
- pow_data = &(priv->power_data);
+
+ pow_data = &priv->power_data;
if (pow_data->dtim_period <= IWL_POWER_RANGE_0_MAX)
range = &pow_data->pwr_range_0[0];
@@ -212,14 +197,12 @@ static int iwl_update_power_command(struct iwl_priv *priv,
if (period == 0) {
period = 1;
- skip = 0;
- } else
- skip = range[mode].no_dtim;
-
- if (skip == 0) {
- max_sleep = period;
- cmd->flags &= ~IWL_POWER_SLEEP_OVER_DTIM_MSK;
+ skip = false;
} else {
+ skip = !!range[mode].no_dtim;
+ }
+
+ if (skip) {
__le32 slp_itrvl = cmd->sleep_interval[IWL_POWER_VEC_SIZE - 1];
max_sleep = le32_to_cpu(slp_itrvl);
if (max_sleep == 0xFF)
@@ -227,24 +210,26 @@ static int iwl_update_power_command(struct iwl_priv *priv,
else if (max_sleep > period)
max_sleep = (le32_to_cpu(slp_itrvl) / period) * period;
cmd->flags |= IWL_POWER_SLEEP_OVER_DTIM_MSK;
+ } else {
+ max_sleep = period;
+ cmd->flags &= ~IWL_POWER_SLEEP_OVER_DTIM_MSK;
}
- for (i = 0; i < IWL_POWER_VEC_SIZE; i++) {
+ for (i = 0; i < IWL_POWER_VEC_SIZE; i++)
if (le32_to_cpu(cmd->sleep_interval[i]) > max_sleep)
cmd->sleep_interval[i] = cpu_to_le32(max_sleep);
- }
- IWL_DEBUG_POWER("Flags value = 0x%08X\n", cmd->flags);
- IWL_DEBUG_POWER("Tx timeout = %u\n", le32_to_cpu(cmd->tx_data_timeout));
- IWL_DEBUG_POWER("Rx timeout = %u\n", le32_to_cpu(cmd->rx_data_timeout));
- IWL_DEBUG_POWER("Sleep interval vector = { %d , %d , %d , %d , %d }\n",
+ IWL_DEBUG_POWER(priv, "Flags value = 0x%08X\n", cmd->flags);
+ IWL_DEBUG_POWER(priv, "Tx timeout = %u\n", le32_to_cpu(cmd->tx_data_timeout));
+ IWL_DEBUG_POWER(priv, "Rx timeout = %u\n", le32_to_cpu(cmd->rx_data_timeout));
+ IWL_DEBUG_POWER(priv, "Sleep interval vector = { %d , %d , %d , %d , %d }\n",
le32_to_cpu(cmd->sleep_interval[0]),
le32_to_cpu(cmd->sleep_interval[1]),
le32_to_cpu(cmd->sleep_interval[2]),
le32_to_cpu(cmd->sleep_interval[3]),
le32_to_cpu(cmd->sleep_interval[4]));
- return ret;
+ return 0;
}
@@ -295,7 +280,7 @@ int iwl_power_update_mode(struct iwl_priv *priv, bool force)
if (final_mode != IWL_POWER_MODE_CAM)
set_bit(STATUS_POWER_PMI, &priv->status);
- iwl_update_power_command(priv, &cmd, final_mode);
+ iwl_update_power_cmd(priv, &cmd, final_mode);
cmd.keep_alive_beacons = 0;
if (final_mode == IWL_POWER_INDEX_5)
@@ -311,7 +296,7 @@ int iwl_power_update_mode(struct iwl_priv *priv, bool force)
if (priv->cfg->ops->lib->update_chain_flags && update_chains)
priv->cfg->ops->lib->update_chain_flags(priv);
else
- IWL_DEBUG_POWER("Cannot update the power, chain noise "
+ IWL_DEBUG_POWER(priv, "Cannot update the power, chain noise "
"calibration running: %d\n",
priv->chain_noise_data.state);
if (!ret)
@@ -366,7 +351,7 @@ EXPORT_SYMBOL(iwl_power_enable_management);
/* set user_power_setting */
int iwl_power_set_user_mode(struct iwl_priv *priv, u16 mode)
{
- if (mode > IWL_POWER_LIMIT)
+ if (mode > IWL_POWER_MAX)
return -EINVAL;
priv->power_data.user_power_setting = mode;
@@ -380,11 +365,10 @@ EXPORT_SYMBOL(iwl_power_set_user_mode);
*/
int iwl_power_set_system_mode(struct iwl_priv *priv, u16 mode)
{
- if (mode > IWL_POWER_LIMIT)
+ if (mode < IWL_POWER_SYS_MAX)
+ priv->power_data.system_power_setting = mode;
+ else
return -EINVAL;
-
- priv->power_data.system_power_setting = mode;
-
return iwl_power_update_mode(priv, 0);
}
EXPORT_SYMBOL(iwl_power_set_system_mode);
@@ -392,13 +376,11 @@ EXPORT_SYMBOL(iwl_power_set_system_mode);
/* initialize to default */
void iwl_power_initialize(struct iwl_priv *priv)
{
-
iwl_power_init_handle(priv);
priv->power_data.user_power_setting = IWL_POWER_AUTO;
- priv->power_data.power_disabled = 0;
priv->power_data.system_power_setting = IWL_POWER_SYS_AUTO;
- priv->power_data.is_battery_active = 0;
priv->power_data.power_disabled = 0;
+ priv->power_data.is_battery_active = 0;
priv->power_data.critical_power_setting = 0;
}
EXPORT_SYMBOL(iwl_power_initialize);
@@ -407,8 +389,8 @@ EXPORT_SYMBOL(iwl_power_initialize);
int iwl_power_temperature_change(struct iwl_priv *priv)
{
int ret = 0;
- u16 new_critical = priv->power_data.critical_power_setting;
s32 temperature = KELVIN_TO_CELSIUS(priv->last_temperature);
+ u16 new_critical = priv->power_data.critical_power_setting;
if (temperature > IWL_CT_KILL_TEMPERATURE)
return 0;
@@ -434,7 +416,7 @@ static void iwl_bg_set_power_save(struct work_struct *work)
{
struct iwl_priv *priv = container_of(work,
struct iwl_priv, set_power_save.work);
- IWL_DEBUG(IWL_DL_STATE, "update power\n");
+ IWL_DEBUG_POWER(priv, "update power\n");
if (test_bit(STATUS_EXIT_PENDING, &priv->status))
return;
generated by cgit v1.2.3 (git 2.39.0) at 2024-12-17 07:57:02 +0300