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