intel/iwlwifi/iwl-scd.h

0001 /* SPDX-License-Identifier: GPL-2.0 OR BSD-3-Clause */
0002 /*
0003  * Copyright (C) 2014 Intel Mobile Communications GmbH
0004  */
0005 #ifndef __iwl_scd_h__
0006 #define __iwl_scd_h__
0007
0008 #include "iwl-trans.h"
0009 #include "iwl-io.h"
0010 #include "iwl-prph.h"
0011
0012
0013 static inline void iwl_scd_txq_set_chain(struct iwl_trans *trans,
0014                      u16 txq_id)
0015 {
0016     iwl_set_bits_prph(trans, SCD_QUEUECHAIN_SEL, BIT(txq_id));
0017 }
0018
0019 static inline void iwl_scd_txq_enable_agg(struct iwl_trans *trans,
0020                       u16 txq_id)
0021 {
0022     iwl_set_bits_prph(trans, SCD_AGGR_SEL, BIT(txq_id));
0023 }
0024
0025 static inline void iwl_scd_txq_disable_agg(struct iwl_trans *trans,
0026                        u16 txq_id)
0027 {
0028     iwl_clear_bits_prph(trans, SCD_AGGR_SEL, BIT(txq_id));
0029 }
0030
0031 static inline void iwl_scd_disable_agg(struct iwl_trans *trans)
0032 {
0033     iwl_set_bits_prph(trans, SCD_AGGR_SEL, 0);
0034 }
0035
0036 static inline void iwl_scd_activate_fifos(struct iwl_trans *trans)
0037 {
0038     iwl_write_prph(trans, SCD_TXFACT, IWL_MASK(0, 7));
0039 }
0040
0041 static inline void iwl_scd_deactivate_fifos(struct iwl_trans *trans)
0042 {
0043     iwl_write_prph(trans, SCD_TXFACT, 0);
0044 }
0045
0046 static inline void iwl_scd_enable_set_active(struct iwl_trans *trans,
0047                          u32 value)
0048 {
0049     iwl_write_prph(trans, SCD_EN_CTRL, value);
0050 }
0051
0052 static inline unsigned int SCD_QUEUE_WRPTR(unsigned int chnl)
0053 {
0054     if (chnl < 20)
0055         return SCD_BASE + 0x18 + chnl * 4;
0056     WARN_ON_ONCE(chnl >= 32);
0057     return SCD_BASE + 0x284 + (chnl - 20) * 4;
0058 }
0059
0060 static inline unsigned int SCD_QUEUE_RDPTR(unsigned int chnl)
0061 {
0062     if (chnl < 20)
0063         return SCD_BASE + 0x68 + chnl * 4;
0064     WARN_ON_ONCE(chnl >= 32);
0065     return SCD_BASE + 0x2B4 + chnl * 4;
0066 }
0067
0068 static inline unsigned int SCD_QUEUE_STATUS_BITS(unsigned int chnl)
0069 {
0070     if (chnl < 20)
0071         return SCD_BASE + 0x10c + chnl * 4;
0072     WARN_ON_ONCE(chnl >= 32);
0073     return SCD_BASE + 0x334 + chnl * 4;
0074 }
0075
0076 static inline void iwl_scd_txq_set_inactive(struct iwl_trans *trans,
0077                         u16 txq_id)
0078 {
0079     iwl_write_prph(trans, SCD_QUEUE_STATUS_BITS(txq_id),
0080                (0 << SCD_QUEUE_STTS_REG_POS_ACTIVE)|
0081                (1 << SCD_QUEUE_STTS_REG_POS_SCD_ACT_EN));
0082 }
0083
0084 #endif