85 lines
1.9 KiB
C
85 lines
1.9 KiB
C
/* SPDX-License-Identifier: GPL-2.0 OR BSD-3-Clause */
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/*
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* Copyright (C) 2014 Intel Mobile Communications GmbH
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*/
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#ifndef __iwl_scd_h__
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#define __iwl_scd_h__
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#include "iwl-trans.h"
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#include "iwl-io.h"
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#include "iwl-prph.h"
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static inline void iwl_scd_txq_set_chain(struct iwl_trans *trans,
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u16 txq_id)
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{
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iwl_set_bits_prph(trans, SCD_QUEUECHAIN_SEL, BIT(txq_id));
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}
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static inline void iwl_scd_txq_enable_agg(struct iwl_trans *trans,
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u16 txq_id)
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{
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iwl_set_bits_prph(trans, SCD_AGGR_SEL, BIT(txq_id));
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}
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static inline void iwl_scd_txq_disable_agg(struct iwl_trans *trans,
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u16 txq_id)
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{
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iwl_clear_bits_prph(trans, SCD_AGGR_SEL, BIT(txq_id));
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}
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static inline void iwl_scd_disable_agg(struct iwl_trans *trans)
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{
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iwl_set_bits_prph(trans, SCD_AGGR_SEL, 0);
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}
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static inline void iwl_scd_activate_fifos(struct iwl_trans *trans)
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{
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iwl_write_prph(trans, SCD_TXFACT, IWL_MASK(0, 7));
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}
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static inline void iwl_scd_deactivate_fifos(struct iwl_trans *trans)
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{
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iwl_write_prph(trans, SCD_TXFACT, 0);
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}
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static inline void iwl_scd_enable_set_active(struct iwl_trans *trans,
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u32 value)
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{
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iwl_write_prph(trans, SCD_EN_CTRL, value);
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}
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static inline unsigned int SCD_QUEUE_WRPTR(unsigned int chnl)
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{
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if (chnl < 20)
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return SCD_BASE + 0x18 + chnl * 4;
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WARN_ON_ONCE(chnl >= 32);
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return SCD_BASE + 0x284 + (chnl - 20) * 4;
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}
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static inline unsigned int SCD_QUEUE_RDPTR(unsigned int chnl)
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{
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if (chnl < 20)
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return SCD_BASE + 0x68 + chnl * 4;
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WARN_ON_ONCE(chnl >= 32);
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return SCD_BASE + 0x2B4 + chnl * 4;
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}
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static inline unsigned int SCD_QUEUE_STATUS_BITS(unsigned int chnl)
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{
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if (chnl < 20)
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return SCD_BASE + 0x10c + chnl * 4;
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WARN_ON_ONCE(chnl >= 32);
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return SCD_BASE + 0x334 + chnl * 4;
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}
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static inline void iwl_scd_txq_set_inactive(struct iwl_trans *trans,
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u16 txq_id)
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{
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iwl_write_prph(trans, SCD_QUEUE_STATUS_BITS(txq_id),
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(0 << SCD_QUEUE_STTS_REG_POS_ACTIVE)|
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(1 << SCD_QUEUE_STTS_REG_POS_SCD_ACT_EN));
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}
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#endif
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