1 /* SPDX-License-Identifier: GPL-2.0 OR BSD-3-Clause */
2 /*
3  * Copyright (C) 2018-2021 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 
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 
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);
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 
57 /* Error handling */
58 int iwl_dump_fh(struct iwl_trans *trans, char **buf);
59 
60 /*
61  * UMAC periphery address space changed from 0xA00000 to 0xD00000 starting from
62  * device family AX200. So peripheries used in families above and below AX200
63  * should go through iwl_..._umac_..._prph.
64  */
65 static inline u32 iwl_umac_prph(struct iwl_trans *trans, u32 ofs)
66 {
67 	return ofs + trans->trans_cfg->umac_prph_offset;
68 }
69 
70 static inline u32 iwl_read_umac_prph_no_grab(struct iwl_trans *trans, u32 ofs)
71 {
72 	return iwl_read_prph_no_grab(trans, ofs +
73 				     trans->trans_cfg->umac_prph_offset);
74 }
75 
76 static inline u32 iwl_read_umac_prph(struct iwl_trans *trans, u32 ofs)
77 {
78 	return iwl_read_prph(trans, ofs + trans->trans_cfg->umac_prph_offset);
79 }
80 
81 static inline void iwl_write_umac_prph_no_grab(struct iwl_trans *trans, u32 ofs,
82 					       u32 val)
83 {
84 	iwl_write_prph_no_grab(trans,  ofs + trans->trans_cfg->umac_prph_offset,
85 			       val);
86 }
87 
88 static inline void iwl_write_umac_prph(struct iwl_trans *trans, u32 ofs,
89 				       u32 val)
90 {
91 	iwl_write_prph(trans,  ofs + trans->trans_cfg->umac_prph_offset, val);
92 }
93 
94 static inline int iwl_poll_umac_prph_bit(struct iwl_trans *trans, u32 addr,
95 					 u32 bits, u32 mask, int timeout)
96 {
97 	return iwl_poll_prph_bit(trans, addr +
98 				 trans->trans_cfg->umac_prph_offset,
99 				 bits, mask, timeout);
100 }
101 
102 #endif
103