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

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

File Facts

System
Linux kernel
Corpus path
drivers/net/wireless/realtek/rtlwifi/rtl8192cu/mac.c
Extension
.c
Size
20988 bytes
Lines
748
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 (IS_92C_SERIAL(chip_version)) {
			value32 = rtl_read_dword(rtlpriv, REG_HPON_FSM);
			chip_version |= ((CHIP_BONDING_IDENTIFIER(value32) ==
				 CHIP_BONDING_92C_1T2R) ? CHIP_92C_1T2R : 0);
		}
	}
	rtlhal->version  = (enum version_8192c)chip_version;
	pr_info("Chip version 0x%x\n", chip_version);
	switch (rtlhal->version) {
	case VERSION_NORMAL_TSMC_CHIP_92C_1T2R:
		versionid = "NORMAL_B_CHIP_92C";
		break;
	case VERSION_NORMAL_TSMC_CHIP_92C:
		versionid = "NORMAL_TSMC_CHIP_92C";
		break;
	case VERSION_NORMAL_TSMC_CHIP_88C:
		versionid = "NORMAL_TSMC_CHIP_88C";
		break;
	case VERSION_NORMAL_UMC_CHIP_92C_1T2R_A_CUT:
		versionid = "NORMAL_UMC_CHIP_i92C_1T2R_A_CUT";
		break;
	case VERSION_NORMAL_UMC_CHIP_92C_A_CUT:
		versionid = "NORMAL_UMC_CHIP_92C_A_CUT";
		break;
	case VERSION_NORMAL_UMC_CHIP_88C_A_CUT:
		versionid = "NORMAL_UMC_CHIP_88C_A_CUT";
		break;
	case VERSION_NORMAL_UMC_CHIP_92C_1T2R_B_CUT:
		versionid = "NORMAL_UMC_CHIP_92C_1T2R_B_CUT";
		break;
	case VERSION_NORMAL_UMC_CHIP_92C_B_CUT:
		versionid = "NORMAL_UMC_CHIP_92C_B_CUT";
		break;
	case VERSION_NORMAL_UMC_CHIP_88C_B_CUT:
		versionid = "NORMAL_UMC_CHIP_88C_B_CUT";
		break;
	case VERSION_TEST_CHIP_92C:
		versionid = "TEST_CHIP_92C";
		break;
	case VERSION_TEST_CHIP_88C:
		versionid = "TEST_CHIP_88C";
		break;
	default:
		versionid = "UNKNOWN";
		break;
	}
	rtl_dbg(rtlpriv, COMP_INIT, DBG_TRACE,
		"Chip Version ID: %s\n", versionid);

	if (IS_92C_SERIAL(rtlhal->version))
		rtlphy->rf_type =
			 (IS_92C_1T2R(rtlhal->version)) ? RF_1T2R : RF_2T2R;
	else
		rtlphy->rf_type = RF_1T1R;
	rtl_dbg(rtlpriv, COMP_INIT, DBG_LOUD,
		"Chip RF Type: %s\n",
		rtlphy->rf_type == RF_2T2R ? "RF_2T2R" :
		rtlphy->rf_type == RF_1T2R ? "RF_1T2R" : "RF_1T1R");
	if (get_rf_type(rtlphy) == RF_1T1R)
		rtlpriv->dm.rfpath_rxenable[0] = true;
	else
		rtlpriv->dm.rfpath_rxenable[0] =
		    rtlpriv->dm.rfpath_rxenable[1] = true;
	rtl_dbg(rtlpriv, COMP_INIT, DBG_LOUD, "VersionID = 0x%4x\n",
		rtlhal->version);
}

/**
 * rtl92c_llt_write - LLT table write access
 * @hw: Pointer to the ieee80211_hw structure.
 * @address: LLT logical address.
 * @data: LLT data content
 *
 * Realtek hardware access function.
 *
 */
bool rtl92c_llt_write(struct ieee80211_hw *hw, u32 address, u32 data)
{
	struct rtl_priv *rtlpriv = rtl_priv(hw);
	bool status = true;
	long count = 0;
	u32 value = _LLT_INIT_ADDR(address) |
	    _LLT_INIT_DATA(data) | _LLT_OP(_LLT_WRITE_ACCESS);

	rtl_write_dword(rtlpriv, REG_LLT_INIT, value);
	do {
		value = rtl_read_dword(rtlpriv, REG_LLT_INIT);
		if (_LLT_NO_ACTIVE == _LLT_OP_VALUE(value))
			break;
		if (count > POLLING_LLT_THRESHOLD) {

Annotation

Implementation Notes