C++ (Cpp) NREV_LT Examples

Example #1

File: wlc_stf.c Project: Meticulus/vendor_st-ericsson_u8500

/*
 * Centralized txant update function. call it whenever wlc->stf->txant and/or wlc->stf->txchain
 *  change
 *
 * Antennas are controlled by ucode indirectly, which drives PHY or GPIO to
 *   achieve various tx/rx antenna selection schemes
 *
 * legacy phy, bit 6 and bit 7 means antenna 0 and 1 respectively, bit6+bit7 means auto(last rx)
 * for NREV<3, bit 6 and bit 7 means antenna 0 and 1 respectively, bit6+bit7 means last rx and
 *    do tx-antenna selection for SISO transmissions
 * for NREV=3, bit 6 and bit _8_ means antenna 0 and 1 respectively, bit6+bit7 means last rx and
 *    do tx-antenna selection for SISO transmissions
 * for NREV>=7, bit 6 and bit 7 mean antenna 0 and 1 respectively, nit6+bit7 means both cores active
*/
static void _wlc_stf_phy_txant_upd(struct wlc_info *wlc)
{
	s8 txant;

	txant = (s8) wlc->stf->txant;
	ASSERT(txant == ANT_TX_FORCE_0 || txant == ANT_TX_FORCE_1
	       || txant == ANT_TX_LAST_RX);

	if (WLC_PHY_11N_CAP(wlc->band)) {
		if (txant == ANT_TX_FORCE_0) {
			wlc->stf->phytxant = PHY_TXC_ANT_0;
		} else if (txant == ANT_TX_FORCE_1) {
			wlc->stf->phytxant = PHY_TXC_ANT_1;

			if (WLCISNPHY(wlc->band) &&
			    NREV_GE(wlc->band->phyrev, 3)
			    && NREV_LT(wlc->band->phyrev, 7)) {
				wlc->stf->phytxant = PHY_TXC_ANT_2;
			}
		} else {
			if (WLCISLCNPHY(wlc->band) || WLCISSSLPNPHY(wlc->band))
				wlc->stf->phytxant = PHY_TXC_LCNPHY_ANT_LAST;
			else {
				/* keep this assert to catch out of sync wlc->stf->txcore */
				ASSERT(wlc->stf->txchain > 0);
				wlc->stf->phytxant =
				    wlc->stf->txchain << PHY_TXC_ANT_SHIFT;
			}
		}
	} else {
		if (txant == ANT_TX_FORCE_0)
			wlc->stf->phytxant = PHY_TXC_OLD_ANT_0;
		else if (txant == ANT_TX_FORCE_1)
			wlc->stf->phytxant = PHY_TXC_OLD_ANT_1;
		else
			wlc->stf->phytxant = PHY_TXC_OLD_ANT_LAST;
	}

	wlc_bmac_txant_set(wlc->hw, wlc->stf->phytxant);
}

Example #2

File: stf.c Project: 0xroot/Blackphone-BP1-Kernel

/*
 * Centralized txant update function. call it whenever wlc->stf->txant and/or
 * wlc->stf->txchain change.
 *
 * Antennas are controlled by ucode indirectly, which drives PHY or GPIO to
 * achieve various tx/rx antenna selection schemes
 *
 * legacy phy, bit 6 and bit 7 means antenna 0 and 1 respectively, bit6+bit7
 * means auto(last rx).
 * for NREV<3, bit 6 and bit 7 means antenna 0 and 1 respectively, bit6+bit7
 * means last rx and do tx-antenna selection for SISO transmissions
 * for NREV=3, bit 6 and bit _8_ means antenna 0 and 1 respectively, bit6+bit7
 * means last rx and do tx-antenna selection for SISO transmissions
 * for NREV>=7, bit 6 and bit 7 mean antenna 0 and 1 respectively, nit6+bit7
 * means both cores active
*/
static void _brcms_c_stf_phy_txant_upd(struct brcms_c_info *wlc)
{
	s8 txant;

	txant = (s8) wlc->stf->txant;
	if (BRCMS_PHY_11N_CAP(wlc->band)) {
		if (txant == ANT_TX_FORCE_0) {
			wlc->stf->phytxant = PHY_TXC_ANT_0;
		} else if (txant == ANT_TX_FORCE_1) {
			wlc->stf->phytxant = PHY_TXC_ANT_1;

			if (BRCMS_ISNPHY(wlc->band) &&
			    NREV_GE(wlc->band->phyrev, 3)
			    && NREV_LT(wlc->band->phyrev, 7))
				wlc->stf->phytxant = PHY_TXC_ANT_2;
		} else {
			if (BRCMS_ISLCNPHY(wlc->band) ||
			    BRCMS_ISSSLPNPHY(wlc->band))
				wlc->stf->phytxant = PHY_TXC_LCNPHY_ANT_LAST;
			else {
				/* catch out of sync wlc->stf->txcore */
				WARN_ON(wlc->stf->txchain <= 0);
				wlc->stf->phytxant =
				    wlc->stf->txchain << PHY_TXC_ANT_SHIFT;
			}
		}
	} else {
		if (txant == ANT_TX_FORCE_0)
			wlc->stf->phytxant = PHY_TXC_OLD_ANT_0;
		else if (txant == ANT_TX_FORCE_1)
			wlc->stf->phytxant = PHY_TXC_OLD_ANT_1;
		else
			wlc->stf->phytxant = PHY_TXC_OLD_ANT_LAST;
	}

	brcms_b_txant_set(wlc->hw, wlc->stf->phytxant);
}