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  
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  
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   */
iwl_umac_prph(struct iwl_trans * trans,u32 ofs)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  
iwl_read_umac_prph_no_grab(struct iwl_trans * trans,u32 ofs)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  
iwl_read_umac_prph(struct iwl_trans * trans,u32 ofs)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  
iwl_write_umac_prph_no_grab(struct iwl_trans * trans,u32 ofs,u32 val)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  
iwl_write_umac_prph(struct iwl_trans * trans,u32 ofs,u32 val)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  
iwl_poll_umac_prph_bit(struct iwl_trans * trans,u32 addr,u32 bits,u32 mask,int timeout)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