+void ar9003_hw_set_chain_masks(struct ath_hw *ah, u8 rx, u8 tx)
+{
+ switch (rx) {
+ case 0x5:
+ REG_SET_BIT(ah, AR_PHY_ANALOG_SWAP,
+ AR_PHY_SWAP_ALT_CHAIN);
+ case 0x3:
+ case 0x1:
+ case 0x2:
+ case 0x7:
+ REG_WRITE(ah, AR_PHY_RX_CHAINMASK, rx);
+ REG_WRITE(ah, AR_PHY_CAL_CHAINMASK, rx);
+ break;
+ default:
+ break;
+ }
+
+ REG_WRITE(ah, AR_SELFGEN_MASK, tx);
+ if (tx == 0x5) {
+ REG_SET_BIT(ah, AR_PHY_ANALOG_SWAP,
+ AR_PHY_SWAP_ALT_CHAIN);
+ }
+}
+
+/*
+ * Override INI values with chip specific configuration.
+ */
+static void ar9003_hw_override_ini(struct ath_hw *ah)
+{
+ u32 val;
+
+ /*
+ * Set the RX_ABORT and RX_DIS and clear it only after
+ * RXE is set for MAC. This prevents frames with
+ * corrupted descriptor status.
+ */
+ REG_SET_BIT(ah, AR_DIAG_SW, (AR_DIAG_RX_DIS | AR_DIAG_RX_ABORT));
+
+ /*
+ * For AR9280 and above, there is a new feature that allows
+ * Multicast search based on both MAC Address and Key ID. By default,
+ * this feature is enabled. But since the driver is not using this
+ * feature, we switch it off; otherwise multicast search based on
+ * MAC addr only will fail.
+ */
+ val = REG_READ(ah, AR_PCU_MISC_MODE2) & (~AR_ADHOC_MCAST_KEYID_ENABLE);
+ REG_WRITE(ah, AR_PCU_MISC_MODE2,
+ val | AR_AGG_WEP_ENABLE_FIX | AR_AGG_WEP_ENABLE);
+}
+
+static void ar9003_hw_prog_ini(struct ath_hw *ah,
+ struct ar5416IniArray *iniArr,
+ int column)
+{
+ unsigned int i, regWrites = 0;
+
+ /* New INI format: Array may be undefined (pre, core, post arrays) */
+ if (!iniArr->ia_array)
+ return;
+
+ /*
+ * New INI format: Pre, core, and post arrays for a given subsystem
+ * may be modal (> 2 columns) or non-modal (2 columns). Determine if
+ * the array is non-modal and force the column to 1.
+ */
+ if (column >= iniArr->ia_columns)
+ column = 1;
+
+ for (i = 0; i < iniArr->ia_rows; i++) {
+ u32 reg = INI_RA(iniArr, i, 0);
+ u32 val = INI_RA(iniArr, i, column);
+
+ REG_WRITE(ah, reg, val);
+
+ /*
+ * Determine if this is a shift register value, and insert the
+ * configured delay if so.
+ */
+ if (reg >= 0x16000 && reg < 0x17000
+ && ah->config.analog_shiftreg)
+ udelay(100);
+
+ DO_DELAY(regWrites);
+ }
+}
+