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

   1 /* SPDX-License-Identifier: GPL-2.0 OR BSD-3-Clause */
   2 /*
   3  * Copyright (C) 2018-2019 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(struct iwl_trans *trans, u32 ofs, u32 val);
  41 int iwl_poll_prph_bit(struct iwl_trans *trans, u32 addr,
  42                       u32 bits, u32 mask, int timeout);
  43 void iwl_set_bits_prph(struct iwl_trans *trans, u32 ofs, u32 mask);
  44 void iwl_set_bits_mask_prph(struct iwl_trans *trans, u32 ofs,
  45                             u32 bits, u32 mask);
  46 void iwl_clear_bits_prph(struct iwl_trans *trans, u32 ofs, u32 mask);
  47 void iwl_force_nmi(struct iwl_trans *trans);
  48
  49 int iwl_finish_nic_init(struct iwl_trans *trans,
  50                         const struct iwl_cfg_trans_params *cfg_trans);
  51
  52 /* Error handling */
  53 int iwl_dump_fh(struct iwl_trans *trans, char **buf);
  54
  55 /*
  56  * UMAC periphery address space changed from 0xA00000 to 0xD00000 starting from
  57  * device family AX200. So peripheries used in families above and below AX200
  58  * should go through iwl_..._umac_..._prph.
  59  */
  60 static inline u32 iwl_umac_prph(struct iwl_trans *trans, u32 ofs)
  61 {
  62         return ofs + trans->trans_cfg->umac_prph_offset;
  63 }
  64
  65 static inline u32 iwl_read_umac_prph_no_grab(struct iwl_trans *trans, u32 ofs)
  66 {
  67         return iwl_read_prph_no_grab(trans, ofs +
  68                                      trans->trans_cfg->umac_prph_offset);
  69 }
  70
  71 static inline u32 iwl_read_umac_prph(struct iwl_trans *trans, u32 ofs)
  72 {
  73         return iwl_read_prph(trans, ofs + trans->trans_cfg->umac_prph_offset);
  74 }
  75
  76 static inline void iwl_write_umac_prph_no_grab(struct iwl_trans *trans, u32 ofs,
  77                                                u32 val)
  78 {
  79         iwl_write_prph_no_grab(trans,  ofs + trans->trans_cfg->umac_prph_offset,
  80                                val);
  81 }
  82
  83 static inline void iwl_write_umac_prph(struct iwl_trans *trans, u32 ofs,
  84                                        u32 val)
  85 {
  86         iwl_write_prph(trans,  ofs + trans->trans_cfg->umac_prph_offset, val);
  87 }
  88
  89 static inline int iwl_poll_umac_prph_bit(struct iwl_trans *trans, u32 addr,
  90                                          u32 bits, u32 mask, int timeout)
  91 {
  92         return iwl_poll_prph_bit(trans, addr +
  93                                  trans->trans_cfg->umac_prph_offset,
  94                                  bits, mask, timeout);
  95 }
  96
  97 #endif