iwl-scd.h

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    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 
   13 static 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 
   19 static 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 
   25 static 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 
   31 static inline void iwl_scd_disable_agg(struct iwl_trans *trans)
   32 {
   33         iwl_set_bits_prph(trans, SCD_AGGR_SEL, 0);
   34 }
   35 
   36 static inline void iwl_scd_activate_fifos(struct iwl_trans *trans)
   37 {
   38         iwl_write_prph(trans, SCD_TXFACT, IWL_MASK(0, 7));
   39 }
   40 
   41 static inline void iwl_scd_deactivate_fifos(struct iwl_trans *trans)
   42 {
   43         iwl_write_prph(trans, SCD_TXFACT, 0);
   44 }
   45 
   46 static 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 
   52 static 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 
   60 static 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 
   68 static 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 
   76 static 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

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FreeBSD/Linux Kernel Cross Reference sys/contrib/dev/iwlwifi/iwl-scd.h

FreeBSD/Linux Kernel Cross Reference
sys/contrib/dev/iwlwifi/iwl-scd.h