2 * Copyright (c) 2013 Broadcom Corporation
4 * Permission to use, copy, modify, and/or distribute this software for any
5 * purpose with or without fee is hereby granted, provided that the above
6 * copyright notice and this permission notice appear in all copies.
8 * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
9 * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
10 * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY
11 * SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
12 * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION
13 * OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN
14 * CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
16 /*********************channel spec common functions*********************/
18 #include <linux/module.h>
20 #include <brcmu_utils.h>
21 #include <brcmu_wifi.h>
22 #include <brcmu_d11.h>
24 static void brcmu_d11n_encchspec(struct brcmu_chan *ch)
26 ch->chspec = ch->chnum & BRCMU_CHSPEC_CH_MASK;
29 case BRCMU_CHAN_BW_20:
30 ch->chspec |= BRCMU_CHSPEC_D11N_BW_20 | BRCMU_CHSPEC_D11N_SB_N;
32 case BRCMU_CHAN_BW_40:
38 if (ch->chnum <= CH_MAX_2G_CHANNEL)
39 ch->chspec |= BRCMU_CHSPEC_D11N_BND_2G;
41 ch->chspec |= BRCMU_CHSPEC_D11N_BND_5G;
44 static void brcmu_d11ac_encchspec(struct brcmu_chan *ch)
46 ch->chspec = ch->chnum & BRCMU_CHSPEC_CH_MASK;
49 case BRCMU_CHAN_BW_20:
50 ch->chspec |= BRCMU_CHSPEC_D11AC_BW_20;
52 case BRCMU_CHAN_BW_40:
53 case BRCMU_CHAN_BW_80:
54 case BRCMU_CHAN_BW_80P80:
55 case BRCMU_CHAN_BW_160:
61 if (ch->chnum <= CH_MAX_2G_CHANNEL)
62 ch->chspec |= BRCMU_CHSPEC_D11AC_BND_2G;
64 ch->chspec |= BRCMU_CHSPEC_D11AC_BND_5G;
67 static void brcmu_d11n_decchspec(struct brcmu_chan *ch)
71 ch->chnum = (u8)(ch->chspec & BRCMU_CHSPEC_CH_MASK);
73 switch (ch->chspec & BRCMU_CHSPEC_D11N_BW_MASK) {
74 case BRCMU_CHSPEC_D11N_BW_20:
75 ch->bw = BRCMU_CHAN_BW_20;
77 case BRCMU_CHSPEC_D11N_BW_40:
78 ch->bw = BRCMU_CHAN_BW_40;
79 val = ch->chspec & BRCMU_CHSPEC_D11N_SB_MASK;
80 if (val == BRCMU_CHSPEC_D11N_SB_L) {
81 ch->sb = BRCMU_CHAN_SB_L;
82 ch->chnum -= CH_10MHZ_APART;
84 ch->sb = BRCMU_CHAN_SB_U;
85 ch->chnum += CH_10MHZ_APART;
93 switch (ch->chspec & BRCMU_CHSPEC_D11N_BND_MASK) {
94 case BRCMU_CHSPEC_D11N_BND_5G:
95 ch->band = BRCMU_CHAN_BAND_5G;
97 case BRCMU_CHSPEC_D11N_BND_2G:
98 ch->band = BRCMU_CHAN_BAND_2G;
106 static void brcmu_d11ac_decchspec(struct brcmu_chan *ch)
110 ch->chnum = (u8)(ch->chspec & BRCMU_CHSPEC_CH_MASK);
112 switch (ch->chspec & BRCMU_CHSPEC_D11AC_BW_MASK) {
113 case BRCMU_CHSPEC_D11AC_BW_20:
114 ch->bw = BRCMU_CHAN_BW_20;
116 case BRCMU_CHSPEC_D11AC_BW_40:
117 ch->bw = BRCMU_CHAN_BW_40;
118 val = ch->chspec & BRCMU_CHSPEC_D11AC_SB_MASK;
119 if (val == BRCMU_CHSPEC_D11AC_SB_L) {
120 ch->sb = BRCMU_CHAN_SB_L;
121 ch->chnum -= CH_10MHZ_APART;
122 } else if (val == BRCMU_CHSPEC_D11AC_SB_U) {
123 ch->sb = BRCMU_CHAN_SB_U;
124 ch->chnum += CH_10MHZ_APART;
129 case BRCMU_CHSPEC_D11AC_BW_80:
130 ch->bw = BRCMU_CHAN_BW_80;
132 case BRCMU_CHSPEC_D11AC_BW_8080:
133 case BRCMU_CHSPEC_D11AC_BW_160:
139 switch (ch->chspec & BRCMU_CHSPEC_D11AC_BND_MASK) {
140 case BRCMU_CHSPEC_D11AC_BND_5G:
141 ch->band = BRCMU_CHAN_BAND_5G;
143 case BRCMU_CHSPEC_D11AC_BND_2G:
144 ch->band = BRCMU_CHAN_BAND_2G;
152 void brcmu_d11_attach(struct brcmu_d11inf *d11inf)
154 if (d11inf->io_type == BRCMU_D11N_IOTYPE) {
155 d11inf->encchspec = brcmu_d11n_encchspec;
156 d11inf->decchspec = brcmu_d11n_decchspec;
158 d11inf->encchspec = brcmu_d11ac_encchspec;
159 d11inf->decchspec = brcmu_d11ac_decchspec;
162 EXPORT_SYMBOL(brcmu_d11_attach);