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iwlwifi: pcie: Adapt rx queue write pointer for Bz family

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Adapt rx queue write pointer for Bz family.
The register has moved to the same one as Tx.

Signed-off-by: Matti Gottlieb <matti.gottlieb@intel.com>
Signed-off-by: Luca Coelho <luciano.coelho@intel.com>
Link: https://lore.kernel.org/r/iwlwifi.20220204122220.57bd62a4365c.I873aa9b3d13abf5633a4963c55c3a09a833254f0@changeid
Signed-off-by: Luca Coelho <luciano.coelho@intel.com>
This commit is contained in:
Matti Gottlieb 2022-02-04 12:25:05 +02:00 committed by Luca Coelho
parent 5d19e2087f
commit fba58d3769
2 changed files with 9 additions and 3 deletions
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3
drivers/net/wireless/intel/iwlwifi/iwl-csr.h
View File

@ -533,6 +533,9 @@ enum {
* 11-8: queue selector
*/
#define HBUS_TARG_WRPTR (HBUS_BASE+0x060)
/* This register is common for Tx and Rx, Rx queues start from 512 */
#define HBUS_TARG_WRPTR_Q_SHIFT (16)
#define HBUS_TARG_WRPTR_RX_Q(q) (((q) + 512) << HBUS_TARG_WRPTR_Q_SHIFT)
/**********************************************************
* CSR values

9
drivers/net/wireless/intel/iwlwifi/pcie/rx.c
View File

@ -190,11 +190,14 @@ static void iwl_pcie_rxq_inc_wr_ptr(struct iwl_trans *trans,
}
rxq->write_actual = round_down(rxq->write, 8);
if (trans->trans_cfg->mq_rx_supported)
if (!trans->trans_cfg->mq_rx_supported)
iwl_write32(trans, FH_RSCSR_CHNL0_WPTR, rxq->write_actual);
else if (trans->trans_cfg->device_family >= IWL_DEVICE_FAMILY_BZ)
iwl_write32(trans, HBUS_TARG_WRPTR, rxq->write_actual |
HBUS_TARG_WRPTR_RX_Q(rxq->id));
else
iwl_write32(trans, RFH_Q_FRBDCB_WIDX_TRG(rxq->id),
rxq->write_actual);
else
iwl_write32(trans, FH_RSCSR_CHNL0_WPTR, rxq->write_actual);
}
static void iwl_pcie_rxq_check_wrptr(struct iwl_trans *trans)