1 /* SPDX-License-Identifier: GPL-2.0 OR BSD-3-Clause */ 2 /* 3 * Copyright (C) 2018-2021, 2025 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_bits_mask(struct iwl_trans *trans, u32 addr, 27 u32 bits, u32 mask, int timeout); 28 static inline int iwl_poll_bits(struct iwl_trans *trans, u32 addr, u32 bits, 29 int timeout) 30 { 31 return iwl_poll_bits_mask(trans, addr, bits, bits, timeout); 32 } 33 int iwl_poll_direct_bit(struct iwl_trans *trans, u32 addr, u32 mask, 34 int timeout); 35 36 u32 iwl_read_direct32(struct iwl_trans *trans, u32 reg); 37 void iwl_write_direct32(struct iwl_trans *trans, u32 reg, u32 value); 38 void iwl_write_direct64(struct iwl_trans *trans, u64 reg, u64 value); 39 40 41 u32 iwl_read_prph_no_grab(struct iwl_trans *trans, u32 ofs); 42 u32 iwl_read_prph(struct iwl_trans *trans, u32 ofs); 43 void iwl_write_prph_no_grab(struct iwl_trans *trans, u32 ofs, u32 val); 44 void iwl_write_prph64_no_grab(struct iwl_trans *trans, u64 ofs, u64 val); 45 void iwl_write_prph_delay(struct iwl_trans *trans, u32 ofs, 46 u32 val, u32 delay_ms); 47 static inline void iwl_write_prph(struct iwl_trans *trans, u32 ofs, u32 val) 48 { 49 iwl_write_prph_delay(trans, ofs, val, 0); 50 } 51 52 int iwl_poll_prph_bit(struct iwl_trans *trans, u32 addr, 53 u32 bits, u32 mask, int timeout); 54 void iwl_set_bits_prph(struct iwl_trans *trans, u32 ofs, u32 mask); 55 void iwl_set_bits_mask_prph(struct iwl_trans *trans, u32 ofs, 56 u32 bits, u32 mask); 57 void iwl_clear_bits_prph(struct iwl_trans *trans, u32 ofs, u32 mask); 58 void iwl_force_nmi(struct iwl_trans *trans); 59 60 int iwl_finish_nic_init(struct iwl_trans *trans); 61 62 /* Error handling */ 63 int iwl_dump_fh(struct iwl_trans *trans, char **buf); 64 65 /* 66 * UMAC periphery address space changed from 0xA00000 to 0xD00000 starting from 67 * device family AX200. So peripheries used in families above and below AX200 68 * should go through iwl_..._umac_..._prph. 69 */ 70 static inline u32 iwl_umac_prph(struct iwl_trans *trans, u32 ofs) 71 { 72 return ofs + trans->mac_cfg->umac_prph_offset; 73 } 74 75 static inline u32 iwl_read_umac_prph_no_grab(struct iwl_trans *trans, u32 ofs) 76 { 77 return iwl_read_prph_no_grab(trans, ofs + 78 trans->mac_cfg->umac_prph_offset); 79 } 80 81 static inline u32 iwl_read_umac_prph(struct iwl_trans *trans, u32 ofs) 82 { 83 return iwl_read_prph(trans, ofs + trans->mac_cfg->umac_prph_offset); 84 } 85 86 static inline void iwl_write_umac_prph_no_grab(struct iwl_trans *trans, u32 ofs, 87 u32 val) 88 { 89 iwl_write_prph_no_grab(trans, ofs + trans->mac_cfg->umac_prph_offset, 90 val); 91 } 92 93 static inline void iwl_write_umac_prph(struct iwl_trans *trans, u32 ofs, 94 u32 val) 95 { 96 iwl_write_prph(trans, ofs + trans->mac_cfg->umac_prph_offset, val); 97 } 98 99 static inline int iwl_poll_umac_prph_bit(struct iwl_trans *trans, u32 addr, 100 u32 bits, u32 mask, int timeout) 101 { 102 return iwl_poll_prph_bit(trans, addr + 103 trans->mac_cfg->umac_prph_offset, 104 bits, mask, timeout); 105 } 106 107 #endif 108