drivers/net/wireless/realtek/rtlwifi/rtl8192cu/dm.c

Source file repositories/reference/linux-study-clean/drivers/net/wireless/realtek/rtlwifi/rtl8192cu/dm.c

File Facts

System
Linux kernel
Corpus path
drivers/net/wireless/realtek/rtlwifi/rtl8192cu/dm.c
Extension
.c
Size
2790 bytes
Lines
91
Domain
Driver Families
Bucket
drivers/net
Inferred role
Driver Families: implementation source
Status
source implementation candidate

Why This File Exists

Repeatable hardware-adapter layer. Deep compatibility for every driver is out of scope; this atlas records patterns, probe lifecycles, bus glue, IRQ/DMA usage, and links back to core abstractions.

Dependency Surface

Detected Declarations

Annotated Snippet

if (mac->opmode == NL80211_IFTYPE_ADHOC) {
			undec_sm_pwdb = rtlpriv->dm.entry_min_undec_sm_pwdb;
			rtl_dbg(rtlpriv, COMP_POWER, DBG_LOUD,
				"AP Client PWDB = 0x%lx\n",
				undec_sm_pwdb);
		} else {
			undec_sm_pwdb = rtlpriv->dm.undec_sm_pwdb;
			rtl_dbg(rtlpriv, COMP_POWER, DBG_LOUD,
				"STA Default Port PWDB = 0x%lx\n",
				undec_sm_pwdb);
		}
	} else {
		undec_sm_pwdb = rtlpriv->dm.entry_min_undec_sm_pwdb;

		rtl_dbg(rtlpriv, COMP_POWER, DBG_LOUD,
			"AP Ext Port PWDB = 0x%lx\n",
			undec_sm_pwdb);
	}

	if (undec_sm_pwdb >= TX_POWER_NEAR_FIELD_THRESH_LVL2) {
		rtlpriv->dm.dynamic_txhighpower_lvl = TXHIGHPWRLEVEL_LEVEL1;
		rtl_dbg(rtlpriv, COMP_POWER, DBG_LOUD,
			"TXHIGHPWRLEVEL_LEVEL1 (TxPwr=0x0)\n");
	} else if ((undec_sm_pwdb < (TX_POWER_NEAR_FIELD_THRESH_LVL2 - 3)) &&
		   (undec_sm_pwdb >= TX_POWER_NEAR_FIELD_THRESH_LVL1)) {

		rtlpriv->dm.dynamic_txhighpower_lvl = TXHIGHPWRLEVEL_LEVEL1;
		rtl_dbg(rtlpriv, COMP_POWER, DBG_LOUD,
			"TXHIGHPWRLEVEL_LEVEL1 (TxPwr=0x10)\n");
	} else if (undec_sm_pwdb < (TX_POWER_NEAR_FIELD_THRESH_LVL1 - 5)) {
		rtlpriv->dm.dynamic_txhighpower_lvl = TXHIGHPWRLEVEL_NORMAL;
		rtl_dbg(rtlpriv, COMP_POWER, DBG_LOUD,
			"TXHIGHPWRLEVEL_NORMAL\n");
	}

	if ((rtlpriv->dm.dynamic_txhighpower_lvl != rtlpriv->dm.last_dtp_lvl)) {
		rtl_dbg(rtlpriv, COMP_POWER, DBG_LOUD,
			"PHY_SetTxPowerLevel8192S() Channel = %d\n",
			 rtlphy->current_channel);
		rtl92c_phy_set_txpower_level(hw, rtlphy->current_channel);
		if (rtlpriv->dm.dynamic_txhighpower_lvl ==
		    TXHIGHPWRLEVEL_NORMAL)
			dm_restorepowerindex(hw);
		else if (rtlpriv->dm.dynamic_txhighpower_lvl ==
			 TXHIGHPWRLEVEL_LEVEL1)
			dm_writepowerindex(hw, 0x14);
		else if (rtlpriv->dm.dynamic_txhighpower_lvl ==
			 TXHIGHPWRLEVEL_LEVEL2)
			dm_writepowerindex(hw, 0x10);
	}

	rtlpriv->dm.last_dtp_lvl = rtlpriv->dm.dynamic_txhighpower_lvl;
}

Annotation

Implementation Notes