C++ (Cpp) wlc_phy_stf_chain_setの例

コード例 #1

ファイル: stf.c プロジェクト: 0xroot/Blackphone-BP1-Kernel

int brcms_c_stf_txchain_set(struct brcms_c_info *wlc, s32 int_val, bool force)
{
	u8 txchain = (u8) int_val;
	u8 txstreams;
	uint i;

	if (wlc->stf->txchain == txchain)
		return 0;

	if ((txchain & ~wlc->stf->hw_txchain)
	    || !(txchain & wlc->stf->hw_txchain))
		return -EINVAL;

	/*
	 * if nrate override is configured to be non-SISO STF mode, reject
	 * reducing txchain to 1
	 */
	txstreams = (u8) hweight8(txchain);
	if (txstreams > MAX_STREAMS_SUPPORTED)
		return -EINVAL;

	wlc->stf->txchain = txchain;
	wlc->stf->txstreams = txstreams;
	brcms_c_stf_stbc_tx_set(wlc, wlc->band->band_stf_stbc_tx);
	brcms_c_stf_ss_update(wlc, wlc->bandstate[BAND_2G_INDEX]);
	brcms_c_stf_ss_update(wlc, wlc->bandstate[BAND_5G_INDEX]);
	wlc->stf->txant =
	    (wlc->stf->txstreams == 1) ? ANT_TX_FORCE_0 : ANT_TX_DEF;
	_brcms_c_stf_phy_txant_upd(wlc);

	wlc_phy_stf_chain_set(wlc->band->pi, wlc->stf->txchain,
			      wlc->stf->rxchain);

	for (i = 1; i <= MAX_STREAMS_SUPPORTED; i++)
		brcms_c_stf_txcore_set(wlc, (u8) i, txcore_default[i]);

	return 0;
}

コード例 #2

ファイル: wlc_stf.c プロジェクト: Meticulus/vendor_st-ericsson_u8500

int wlc_stf_txchain_set(struct wlc_info *wlc, s32 int_val, bool force)
{
	u8 txchain = (u8) int_val;
	u8 txstreams;
	uint i;

	if (wlc->stf->txchain == txchain)
		return BCME_OK;

	if ((txchain & ~wlc->stf->hw_txchain)
	    || !(txchain & wlc->stf->hw_txchain))
		return BCME_RANGE;

	/* if nrate override is configured to be non-SISO STF mode, reject reducing txchain to 1 */
	txstreams = (u8) WLC_BITSCNT(txchain);
	if (txstreams > MAX_STREAMS_SUPPORTED)
		return BCME_RANGE;

	if (txstreams == 1) {
		for (i = 0; i < NBANDS(wlc); i++)
			if ((RSPEC_STF(wlc->bandstate[i]->rspec_override) !=
			     PHY_TXC1_MODE_SISO)
			    || (RSPEC_STF(wlc->bandstate[i]->mrspec_override) !=
				PHY_TXC1_MODE_SISO)) {
				if (!force)
					return BCME_ERROR;

				/* over-write the override rspec */
				if (RSPEC_STF(wlc->bandstate[i]->rspec_override)
				    != PHY_TXC1_MODE_SISO) {
					wlc->bandstate[i]->rspec_override = 0;
					WL_ERROR("%s(): temp sense override non-SISO rspec_override\n",
						 __func__);
				}
				if (RSPEC_STF
				    (wlc->bandstate[i]->mrspec_override) !=
				    PHY_TXC1_MODE_SISO) {
					wlc->bandstate[i]->mrspec_override = 0;
					WL_ERROR("%s(): temp sense override non-SISO mrspec_override\n",
						 __func__);
				}
			}
	}

	wlc->stf->txchain = txchain;
	wlc->stf->txstreams = txstreams;
	wlc_stf_stbc_tx_set(wlc, wlc->band->band_stf_stbc_tx);
	wlc_stf_ss_update(wlc, wlc->bandstate[BAND_2G_INDEX]);
	wlc_stf_ss_update(wlc, wlc->bandstate[BAND_5G_INDEX]);
	wlc->stf->txant =
	    (wlc->stf->txstreams == 1) ? ANT_TX_FORCE_0 : ANT_TX_DEF;
	_wlc_stf_phy_txant_upd(wlc);

	wlc_phy_stf_chain_set(wlc->band->pi, wlc->stf->txchain,
			      wlc->stf->rxchain);

	for (i = 1; i <= MAX_STREAMS_SUPPORTED; i++)
		wlc_stf_txcore_set(wlc, (u8) i, txcore_default[i]);

	return BCME_OK;
}