drivers/net/wireless/intel/iwlwifi/iwl-io.h

   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