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