summaryrefslogtreecommitdiffstats
path: root/drivers/net/wireless/intel/iwlwifi/iwl-io.h
blob: 920e2146ea3fdbd29a4a4693a0a5e94414abb9d2 (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
/******************************************************************************
 *
 * This file is provided under a dual BSD/GPLv2 license.  When using or
 * redistributing this file, you may do so under either license.
 *
 * GPL LICENSE SUMMARY
 *
 * Copyright (C) 2018 - 2019 Intel Corporation
 *
 * This program is free software; you can redistribute it and/or modify it
 * under the terms of version 2 of the GNU General Public License as
 * published by the Free Software Foundation.
 *
 * This program is distributed in the hope that it will be useful, but WITHOUT
 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
 * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License for
 * more details.
 *
 * The full GNU General Public License is included in this distribution in the
 * file called COPYING.
 *
 * Contact Information:
 *  Intel Linux Wireless <linuxwifi@intel.com>
 * Intel Corporation, 5200 N.E. Elam Young Parkway, Hillsboro, OR 97124-6497
 *
 * BSD LICENSE
 *
 * Copyright (C) 2018 - 2019 Intel Corporation
 * All rights reserved.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions
 * are met:
 *
 *  * Redistributions of source code must retain the above copyright
 *    notice, this list of conditions and the following disclaimer.
 *  * Redistributions in binary form must reproduce the above copyright
 *    notice, this list of conditions and the following disclaimer in
 *    the documentation and/or other materials provided with the
 *    distribution.
 *  * Neither the name Intel Corporation nor the names of its
 *    contributors may be used to endorse or promote products derived
 *    from this software without specific prior written permission.
 *
 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
 * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
 * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
 * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 *
 *****************************************************************************/
#ifndef __iwl_io_h__
#define __iwl_io_h__

#include "iwl-devtrace.h"
#include "iwl-trans.h"

void iwl_write8(struct iwl_trans *trans, u32 ofs, u8 val);
void iwl_write32(struct iwl_trans *trans, u32 ofs, u32 val);
void iwl_write64(struct iwl_trans *trans, u64 ofs, u64 val);
u32 iwl_read32(struct iwl_trans *trans, u32 ofs);

static inline void iwl_set_bit(struct iwl_trans *trans, u32 reg, u32 mask)
{
	iwl_trans_set_bits_mask(trans, reg, mask, mask);
}

static inline void iwl_clear_bit(struct iwl_trans *trans, u32 reg, u32 mask)
{
	iwl_trans_set_bits_mask(trans, reg, mask, 0);
}

int iwl_poll_bit(struct iwl_trans *trans, u32 addr,
		 u32 bits, u32 mask, int timeout);
int iwl_poll_direct_bit(struct iwl_trans *trans, u32 addr, u32 mask,
			int timeout);

u32 iwl_read_direct32(struct iwl_trans *trans, u32 reg);
void iwl_write_direct32(struct iwl_trans *trans, u32 reg, u32 value);
void iwl_write_direct64(struct iwl_trans *trans, u64 reg, u64 value);


u32 iwl_read_prph_no_grab(struct iwl_trans *trans, u32 ofs);
u32 iwl_read_prph(struct iwl_trans *trans, u32 ofs);
void iwl_write_prph_no_grab(struct iwl_trans *trans, u32 ofs, u32 val);
void iwl_write_prph64_no_grab(struct iwl_trans *trans, u64 ofs, u64 val);
void iwl_write_prph(struct iwl_trans *trans, u32 ofs, u32 val);
int iwl_poll_prph_bit(struct iwl_trans *trans, u32 addr,
		      u32 bits, u32 mask, int timeout);
void iwl_set_bits_prph(struct iwl_trans *trans, u32 ofs, u32 mask);
void iwl_set_bits_mask_prph(struct iwl_trans *trans, u32 ofs,
			    u32 bits, u32 mask);
void iwl_clear_bits_prph(struct iwl_trans *trans, u32 ofs, u32 mask);
void iwl_force_nmi(struct iwl_trans *trans);

int iwl_finish_nic_init(struct iwl_trans *trans);

/* Error handling */
int iwl_dump_fh(struct iwl_trans *trans, char **buf);

/*
 * UMAC periphery address space changed from 0xA00000 to 0xD00000 starting from
 * device family AX200. So peripheries used in families above and below AX200
 * should go through iwl_..._umac_..._prph.
 */
static inline u32 iwl_umac_prph(struct iwl_trans *trans, u32 ofs)
{
	return ofs + trans->cfg->umac_prph_offset;
}

static inline u32 iwl_read_umac_prph_no_grab(struct iwl_trans *trans, u32 ofs)
{
	return iwl_read_prph_no_grab(trans, ofs + trans->cfg->umac_prph_offset);
}

static inline u32 iwl_read_umac_prph(struct iwl_trans *trans, u32 ofs)
{
	return iwl_read_prph(trans, ofs + trans->cfg->umac_prph_offset);
}

static inline void iwl_write_umac_prph_no_grab(struct iwl_trans *trans, u32 ofs,
					       u32 val)
{
	iwl_write_prph_no_grab(trans,  ofs + trans->cfg->umac_prph_offset, val);
}

static inline void iwl_write_umac_prph(struct iwl_trans *trans, u32 ofs,
				       u32 val)
{
	iwl_write_prph(trans,  ofs + trans->cfg->umac_prph_offset, val);
}

static inline int iwl_poll_umac_prph_bit(struct iwl_trans *trans, u32 addr,
					 u32 bits, u32 mask, int timeout)
{
	return iwl_poll_prph_bit(trans, addr + trans->cfg->umac_prph_offset,
				 bits, mask, timeout);
}

#endif