1 /* SPDX-License-Identifier: GPL-2.0 OR BSD-3-Clause */
2 /*
3 * Copyright (C) 2018-2020 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_bit(struct iwl_trans *trans, u32 addr,
27 u32 bits, u32 mask, int timeout);
28 int iwl_poll_direct_bit(struct iwl_trans *trans, u32 addr, u32 mask,
29 int timeout);
30
31 u32 iwl_read_direct32(struct iwl_trans *trans, u32 reg);
32 void iwl_write_direct32(struct iwl_trans *trans, u32 reg, u32 value);
33 void iwl_write_direct64(struct iwl_trans *trans, u64 reg, u64 value);
34
35
36 u32 iwl_read_prph_no_grab(struct iwl_trans *trans, u32 ofs);
37 u32 iwl_read_prph(struct iwl_trans *trans, u32 ofs);
38 void iwl_write_prph_no_grab(struct iwl_trans *trans, u32 ofs, u32 val);
39 void iwl_write_prph64_no_grab(struct iwl_trans *trans, u64 ofs, u64 val);
40 void iwl_write_prph_delay(struct iwl_trans *trans, u32 ofs,
41 u32 val, u32 delay_ms);
iwl_write_prph(struct iwl_trans * trans,u32 ofs,u32 val)42 static inline void iwl_write_prph(struct iwl_trans *trans, u32 ofs, u32 val)
43 {
44 iwl_write_prph_delay(trans, ofs, val, 0);
45 }
46
47 int iwl_poll_prph_bit(struct iwl_trans *trans, u32 addr,
48 u32 bits, u32 mask, int timeout);
49 void iwl_set_bits_prph(struct iwl_trans *trans, u32 ofs, u32 mask);
50 void iwl_set_bits_mask_prph(struct iwl_trans *trans, u32 ofs,
51 u32 bits, u32 mask);
52 void iwl_clear_bits_prph(struct iwl_trans *trans, u32 ofs, u32 mask);
53 void iwl_force_nmi(struct iwl_trans *trans);
54
55 int iwl_finish_nic_init(struct iwl_trans *trans,
56 const struct iwl_cfg_trans_params *cfg_trans);
57
58 /* Error handling */
59 int iwl_dump_fh(struct iwl_trans *trans, char **buf);
60
61 /*
62 * UMAC periphery address space changed from 0xA00000 to 0xD00000 starting from
63 * device family AX200. So peripheries used in families above and below AX200
64 * should go through iwl_..._umac_..._prph.
65 */
iwl_umac_prph(struct iwl_trans * trans,u32 ofs)66 static inline u32 iwl_umac_prph(struct iwl_trans *trans, u32 ofs)
67 {
68 return ofs + trans->trans_cfg->umac_prph_offset;
69 }
70
iwl_read_umac_prph_no_grab(struct iwl_trans * trans,u32 ofs)71 static inline u32 iwl_read_umac_prph_no_grab(struct iwl_trans *trans, u32 ofs)
72 {
73 return iwl_read_prph_no_grab(trans, ofs +
74 trans->trans_cfg->umac_prph_offset);
75 }
76
iwl_read_umac_prph(struct iwl_trans * trans,u32 ofs)77 static inline u32 iwl_read_umac_prph(struct iwl_trans *trans, u32 ofs)
78 {
79 return iwl_read_prph(trans, ofs + trans->trans_cfg->umac_prph_offset);
80 }
81
iwl_write_umac_prph_no_grab(struct iwl_trans * trans,u32 ofs,u32 val)82 static inline void iwl_write_umac_prph_no_grab(struct iwl_trans *trans, u32 ofs,
83 u32 val)
84 {
85 iwl_write_prph_no_grab(trans, ofs + trans->trans_cfg->umac_prph_offset,
86 val);
87 }
88
iwl_write_umac_prph(struct iwl_trans * trans,u32 ofs,u32 val)89 static inline void iwl_write_umac_prph(struct iwl_trans *trans, u32 ofs,
90 u32 val)
91 {
92 iwl_write_prph(trans, ofs + trans->trans_cfg->umac_prph_offset, val);
93 }
94
iwl_poll_umac_prph_bit(struct iwl_trans * trans,u32 addr,u32 bits,u32 mask,int timeout)95 static inline int iwl_poll_umac_prph_bit(struct iwl_trans *trans, u32 addr,
96 u32 bits, u32 mask, int timeout)
97 {
98 return iwl_poll_prph_bit(trans, addr +
99 trans->trans_cfg->umac_prph_offset,
100 bits, mask, timeout);
101 }
102
103 #endif
104