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1/* SPDX-License-Identifier: GPL-2.0 OR BSD-3-Clause */2/*3 * Copyright (C) 2014 Intel Mobile Communications GmbH4 */5#ifndef __iwl_scd_h__6#define __iwl_scd_h__7 8#include "iwl-trans.h"9#include "iwl-io.h"10#include "iwl-prph.h"11 12 13static inline void iwl_scd_txq_set_chain(struct iwl_trans *trans,14 u16 txq_id)15{16 iwl_set_bits_prph(trans, SCD_QUEUECHAIN_SEL, BIT(txq_id));17}18 19static inline void iwl_scd_txq_enable_agg(struct iwl_trans *trans,20 u16 txq_id)21{22 iwl_set_bits_prph(trans, SCD_AGGR_SEL, BIT(txq_id));23}24 25static inline void iwl_scd_txq_disable_agg(struct iwl_trans *trans,26 u16 txq_id)27{28 iwl_clear_bits_prph(trans, SCD_AGGR_SEL, BIT(txq_id));29}30 31static inline void iwl_scd_disable_agg(struct iwl_trans *trans)32{33 iwl_set_bits_prph(trans, SCD_AGGR_SEL, 0);34}35 36static inline void iwl_scd_activate_fifos(struct iwl_trans *trans)37{38 iwl_write_prph(trans, SCD_TXFACT, IWL_MASK(0, 7));39}40 41static inline void iwl_scd_deactivate_fifos(struct iwl_trans *trans)42{43 iwl_write_prph(trans, SCD_TXFACT, 0);44}45 46static inline void iwl_scd_enable_set_active(struct iwl_trans *trans,47 u32 value)48{49 iwl_write_prph(trans, SCD_EN_CTRL, value);50}51 52static inline unsigned int SCD_QUEUE_WRPTR(unsigned int chnl)53{54 if (chnl < 20)55 return SCD_BASE + 0x18 + chnl * 4;56 WARN_ON_ONCE(chnl >= 32);57 return SCD_BASE + 0x284 + (chnl - 20) * 4;58}59 60static inline unsigned int SCD_QUEUE_RDPTR(unsigned int chnl)61{62 if (chnl < 20)63 return SCD_BASE + 0x68 + chnl * 4;64 WARN_ON_ONCE(chnl >= 32);65 return SCD_BASE + 0x2B4 + chnl * 4;66}67 68static inline unsigned int SCD_QUEUE_STATUS_BITS(unsigned int chnl)69{70 if (chnl < 20)71 return SCD_BASE + 0x10c + chnl * 4;72 WARN_ON_ONCE(chnl >= 32);73 return SCD_BASE + 0x334 + chnl * 4;74}75 76static inline void iwl_scd_txq_set_inactive(struct iwl_trans *trans,77 u16 txq_id)78{79 iwl_write_prph(trans, SCD_QUEUE_STATUS_BITS(txq_id),80 (0 << SCD_QUEUE_STTS_REG_POS_ACTIVE)|81 (1 << SCD_QUEUE_STTS_REG_POS_SCD_ACT_EN));82}83 84#endif85