1 /* SPDX-License-Identifier: GPL-2.0 OR BSD-3-Clause */
2 /*
3 * Copyright (C) 2018-2021, 2025 Intel Corporation
4 */
5 #ifndef __iwl_io_h__
6 #define __iwl_io_h__
7
8 #include "iwl-devtrace.h"
9 #include "iwl-trans.h"
10
11 void iwl_write8(struct iwl_trans *trans, u32 ofs, u8 val);
12 void iwl_write32(struct iwl_trans *trans, u32 ofs, u32 val);
13 void iwl_write64(struct iwl_trans *trans, u64 ofs, u64 val);
14 u32 iwl_read32(struct iwl_trans *trans, u32 ofs);
15
iwl_set_bit(struct iwl_trans * trans,u32 reg,u32 mask)16 static inline void iwl_set_bit(struct iwl_trans *trans, u32 reg, u32 mask)
17 {
18 iwl_trans_set_bits_mask(trans, reg, mask, mask);
19 }
20
iwl_clear_bit(struct iwl_trans * trans,u32 reg,u32 mask)21 static inline void iwl_clear_bit(struct iwl_trans *trans, u32 reg, u32 mask)
22 {
23 iwl_trans_set_bits_mask(trans, reg, mask, 0);
24 }
25
26 int iwl_poll_bits_mask(struct iwl_trans *trans, u32 addr,
27 u32 bits, u32 mask, int timeout);
iwl_poll_bits(struct iwl_trans * trans,u32 addr,u32 bits,int timeout)28 static inline int iwl_poll_bits(struct iwl_trans *trans, u32 addr, u32 bits,
29 int timeout)
30 {
31 return iwl_poll_bits_mask(trans, addr, bits, bits, timeout);
32 }
33 int iwl_poll_direct_bit(struct iwl_trans *trans, u32 addr, u32 mask,
34 int timeout);
35
36 u32 iwl_read_direct32(struct iwl_trans *trans, u32 reg);
37 void iwl_write_direct32(struct iwl_trans *trans, u32 reg, u32 value);
38 void iwl_write_direct64(struct iwl_trans *trans, u64 reg, u64 value);
39
40
41 u32 iwl_read_prph_no_grab(struct iwl_trans *trans, u32 ofs);
42 u32 iwl_read_prph(struct iwl_trans *trans, u32 ofs);
43 void iwl_write_prph_no_grab(struct iwl_trans *trans, u32 ofs, u32 val);
44 void iwl_write_prph64_no_grab(struct iwl_trans *trans, u64 ofs, u64 val);
45 void iwl_write_prph_delay(struct iwl_trans *trans, u32 ofs,
46 u32 val, u32 delay_ms);
iwl_write_prph(struct iwl_trans * trans,u32 ofs,u32 val)47 static inline void iwl_write_prph(struct iwl_trans *trans, u32 ofs, u32 val)
48 {
49 iwl_write_prph_delay(trans, ofs, val, 0);
50 }
51
52 int iwl_poll_prph_bit(struct iwl_trans *trans, u32 addr,
53 u32 bits, u32 mask, int timeout);
54 void iwl_set_bits_prph(struct iwl_trans *trans, u32 ofs, u32 mask);
55 void iwl_set_bits_mask_prph(struct iwl_trans *trans, u32 ofs,
56 u32 bits, u32 mask);
57 void iwl_clear_bits_prph(struct iwl_trans *trans, u32 ofs, u32 mask);
58 void iwl_force_nmi(struct iwl_trans *trans);
59
60 int iwl_finish_nic_init(struct iwl_trans *trans);
61
62 /* Error handling */
63 int iwl_dump_fh(struct iwl_trans *trans, char **buf);
64
65 /*
66 * UMAC periphery address space changed from 0xA00000 to 0xD00000 starting from
67 * device family AX200. So peripheries used in families above and below AX200
68 * should go through iwl_..._umac_..._prph.
69 */
iwl_umac_prph(struct iwl_trans * trans,u32 ofs)70 static inline u32 iwl_umac_prph(struct iwl_trans *trans, u32 ofs)
71 {
72 return ofs + trans->mac_cfg->umac_prph_offset;
73 }
74
iwl_read_umac_prph_no_grab(struct iwl_trans * trans,u32 ofs)75 static inline u32 iwl_read_umac_prph_no_grab(struct iwl_trans *trans, u32 ofs)
76 {
77 return iwl_read_prph_no_grab(trans, ofs +
78 trans->mac_cfg->umac_prph_offset);
79 }
80
iwl_read_umac_prph(struct iwl_trans * trans,u32 ofs)81 static inline u32 iwl_read_umac_prph(struct iwl_trans *trans, u32 ofs)
82 {
83 return iwl_read_prph(trans, ofs + trans->mac_cfg->umac_prph_offset);
84 }
85
iwl_write_umac_prph_no_grab(struct iwl_trans * trans,u32 ofs,u32 val)86 static inline void iwl_write_umac_prph_no_grab(struct iwl_trans *trans, u32 ofs,
87 u32 val)
88 {
89 iwl_write_prph_no_grab(trans, ofs + trans->mac_cfg->umac_prph_offset,
90 val);
91 }
92
iwl_write_umac_prph(struct iwl_trans * trans,u32 ofs,u32 val)93 static inline void iwl_write_umac_prph(struct iwl_trans *trans, u32 ofs,
94 u32 val)
95 {
96 iwl_write_prph(trans, ofs + trans->mac_cfg->umac_prph_offset, val);
97 }
98
iwl_poll_umac_prph_bit(struct iwl_trans * trans,u32 addr,u32 bits,u32 mask,int timeout)99 static inline int iwl_poll_umac_prph_bit(struct iwl_trans *trans, u32 addr,
100 u32 bits, u32 mask, int timeout)
101 {
102 return iwl_poll_prph_bit(trans, addr +
103 trans->mac_cfg->umac_prph_offset,
104 bits, mask, timeout);
105 }
106
107 #endif
108