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