LXR linux/drivers/net/wireless/intel/iwlwifi/iwl-scd.h

   1/* SPDX-License-Identifier: GPL-2.0 OR BSD-3-Clause */
   2/*
   3 * Copyright (C) 2014 Intel Mobile Communications GmbH
   4 */
   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#endif
  85