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freebsd
GitHub Repository: freebsd/freebsd-src
 Path: blob/main/sys/contrib/dev/iwlwifi/iwl-scd.h
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/* 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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