1 /* $OpenBSD: if_iwm.c,v 1.39 2015/03/23 00:35:19 jsg Exp $ */
2 /* $FreeBSD$ */
3
4 /*
5 * Copyright (c) 2014 genua mbh <info@genua.de>
6 * Copyright (c) 2014 Fixup Software Ltd.
7 *
8 * Permission to use, copy, modify, and distribute this software for any
9 * purpose with or without fee is hereby granted, provided that the above
10 * copyright notice and this permission notice appear in all copies.
11 *
12 * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
13 * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
14 * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
15 * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
16 * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
17 * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
18 * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
19 */
20
21 /*-
22 * Based on BSD-licensed source modules in the Linux iwlwifi driver,
23 * which were used as the reference documentation for this implementation.
24 *
25 * Driver version we are currently based off of is
26 * Linux 3.14.3 (tag id a2df521e42b1d9a23f620ac79dbfe8655a8391dd)
27 *
28 ***********************************************************************
29 *
30 * This file is provided under a dual BSD/GPLv2 license. When using or
31 * redistributing this file, you may do so under either license.
32 *
33 * GPL LICENSE SUMMARY
34 *
35 * Copyright(c) 2007 - 2013 Intel Corporation. All rights reserved.
36 *
37 * This program is free software; you can redistribute it and/or modify
38 * it under the terms of version 2 of the GNU General Public License as
39 * published by the Free Software Foundation.
40 *
41 * This program is distributed in the hope that it will be useful, but
42 * WITHOUT ANY WARRANTY; without even the implied warranty of
43 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
44 * General Public License for more details.
45 *
46 * You should have received a copy of the GNU General Public License
47 * along with this program; if not, write to the Free Software
48 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110,
49 * USA
50 *
51 * The full GNU General Public License is included in this distribution
52 * in the file called COPYING.
53 *
54 * Contact Information:
55 * Intel Linux Wireless <ilw@linux.intel.com>
56 * Intel Corporation, 5200 N.E. Elam Young Parkway, Hillsboro, OR 97124-6497
57 *
58 *
59 * BSD LICENSE
60 *
61 * Copyright(c) 2005 - 2013 Intel Corporation. All rights reserved.
62 * All rights reserved.
63 *
64 * Redistribution and use in source and binary forms, with or without
65 * modification, are permitted provided that the following conditions
66 * are met:
67 *
68 * * Redistributions of source code must retain the above copyright
69 * notice, this list of conditions and the following disclaimer.
70 * * Redistributions in binary form must reproduce the above copyright
71 * notice, this list of conditions and the following disclaimer in
72 * the documentation and/or other materials provided with the
73 * distribution.
74 * * Neither the name Intel Corporation nor the names of its
75 * contributors may be used to endorse or promote products derived
76 * from this software without specific prior written permission.
77 *
78 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
79 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
80 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
81 * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
82 * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
83 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
84 * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
85 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
86 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
87 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
88 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
89 */
90
91 /*-
92 * Copyright (c) 2007-2010 Damien Bergamini <damien.bergamini@free.fr>
93 *
94 * Permission to use, copy, modify, and distribute this software for any
95 * purpose with or without fee is hereby granted, provided that the above
96 * copyright notice and this permission notice appear in all copies.
97 *
98 * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
99 * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
100 * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
101 * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
102 * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
103 * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
104 * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
105 */
106 #ifndef __IF_IWM_UTIL_H__
107 #define __IF_IWM_UTIL_H__
108
109 extern int iwm_send_cmd(struct iwm_softc *sc, struct iwm_host_cmd *hcmd);
110 extern int iwm_send_cmd_pdu(struct iwm_softc *sc, uint32_t id,
111 uint32_t flags, uint16_t len, const void *data);
112
113 extern int iwm_send_cmd_status(struct iwm_softc *sc,
114 struct iwm_host_cmd *cmd, uint32_t *status);
115 extern int iwm_send_cmd_pdu_status(struct iwm_softc *sc, uint32_t id,
116 uint16_t len, const void *data, uint32_t *status);
117 extern void iwm_free_resp(struct iwm_softc *sc, struct iwm_host_cmd *hcmd);
118
119 extern int iwm_dma_contig_alloc(bus_dma_tag_t tag, struct iwm_dma_info *dma,
120 bus_size_t size, bus_size_t alignment);
121 extern void iwm_dma_contig_free(struct iwm_dma_info *);
122
123 extern int iwm_send_lq_cmd(struct iwm_softc *sc, struct iwm_lq_cmd *lq,
124 boolean_t init);
125
126 extern boolean_t iwm_rx_diversity_allowed(struct iwm_softc *sc);
127
128 extern uint8_t iwm_ridx2rate(struct ieee80211_rateset *rs, int ridx);
129 extern int iwm_enable_txq(struct iwm_softc *sc, int sta_id, int qid, int fifo);
130 extern int iwm_flush_tx_path(struct iwm_softc *sc, uint32_t tfd_msk,
131 uint32_t flags);
132
133 static inline uint8_t
134 iwm_get_valid_tx_ant(struct iwm_softc *sc)
135 {
136 return sc->nvm_data && sc->nvm_data->valid_tx_ant ?
137 sc->sc_fw.valid_tx_ant & sc->nvm_data->valid_tx_ant :
138 sc->sc_fw.valid_tx_ant;
139 }
140
141 static inline uint8_t
142 iwm_get_valid_rx_ant(struct iwm_softc *sc)
143 {
144 return sc->nvm_data && sc->nvm_data->valid_rx_ant ?
145 sc->sc_fw.valid_rx_ant & sc->nvm_data->valid_rx_ant :
146 sc->sc_fw.valid_rx_ant;
147 }
148
149 static inline uint32_t
150 iwm_get_phy_config(struct iwm_softc *sc)
151 {
152 uint32_t phy_config = ~(IWM_FW_PHY_CFG_TX_CHAIN |
153 IWM_FW_PHY_CFG_RX_CHAIN);
154 uint32_t valid_rx_ant = iwm_get_valid_rx_ant(sc);
155 uint32_t valid_tx_ant = iwm_get_valid_tx_ant(sc);
156
157 phy_config |= valid_tx_ant << IWM_FW_PHY_CFG_TX_CHAIN_POS |
158 valid_rx_ant << IWM_FW_PHY_CFG_RX_CHAIN_POS;
159
160 return sc->sc_fw.phy_config & phy_config;
161 }
162
163 #endif /* __IF_IWM_UTIL_H__ */
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