From e3b919d8b3db014af848af64ead8da4475d4ab60 Mon Sep 17 00:00:00 2001 From: Franky Lin Date: Thu, 11 Apr 2013 13:28:49 +0200 Subject: brcmutil: add new d11 interface support 802.11 core interface is upgraded with 11ac support. Add channel spec support code to brcmutil. Reviewed-by: Hante Meuleman Reviewed-by: Pieter-Paul Giesberts Reviewed-by: Arend van Spriel Reviewed-by: Piotr Haber Signed-off-by: Franky Lin Signed-off-by: Arend van Spriel Signed-off-by: John W. Linville --- drivers/net/wireless/brcm80211/brcmutil/Makefile | 3 +- drivers/net/wireless/brcm80211/brcmutil/d11.c | 162 +++++++++++++++++++++++ 2 files changed, 164 insertions(+), 1 deletion(-) create mode 100644 drivers/net/wireless/brcm80211/brcmutil/d11.c (limited to 'drivers/net/wireless/brcm80211/brcmutil') diff --git a/drivers/net/wireless/brcm80211/brcmutil/Makefile b/drivers/net/wireless/brcm80211/brcmutil/Makefile index 6281c416289e..d7c44752b0b7 100644 --- a/drivers/net/wireless/brcm80211/brcmutil/Makefile +++ b/drivers/net/wireless/brcm80211/brcmutil/Makefile @@ -20,7 +20,8 @@ ccflags-y := \ -Idrivers/net/wireless/brcm80211/include BRCMUTIL_OFILES := \ - utils.o + utils.o \ + d11.o MODULEPFX := brcmutil diff --git a/drivers/net/wireless/brcm80211/brcmutil/d11.c b/drivers/net/wireless/brcm80211/brcmutil/d11.c new file mode 100644 index 000000000000..30e54e2c6c9b --- /dev/null +++ b/drivers/net/wireless/brcm80211/brcmutil/d11.c @@ -0,0 +1,162 @@ +/* + * Copyright (c) 2013 Broadcom Corporation + * + * Permission to use, copy, modify, and/or distribute this software for any + * purpose with or without fee is hereby granted, provided that the above + * copyright notice and this permission notice appear in all copies. + * + * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES + * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF + * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY + * SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES + * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION + * OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN + * CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. + */ +/*********************channel spec common functions*********************/ + +#include + +#include +#include +#include + +static void brcmu_d11n_encchspec(struct brcmu_chan *ch) +{ + ch->chspec = ch->chnum & BRCMU_CHSPEC_CH_MASK; + + switch (ch->bw) { + case BRCMU_CHAN_BW_20: + ch->chspec |= BRCMU_CHSPEC_D11N_BW_20 | BRCMU_CHSPEC_D11N_SB_N; + break; + case BRCMU_CHAN_BW_40: + default: + WARN_ON_ONCE(1); + break; + } + + if (ch->chnum <= CH_MAX_2G_CHANNEL) + ch->chspec |= BRCMU_CHSPEC_D11N_BND_2G; + else + ch->chspec |= BRCMU_CHSPEC_D11N_BND_5G; +} + +static void brcmu_d11ac_encchspec(struct brcmu_chan *ch) +{ + ch->chspec = ch->chnum & BRCMU_CHSPEC_CH_MASK; + + switch (ch->bw) { + case BRCMU_CHAN_BW_20: + ch->chspec |= BRCMU_CHSPEC_D11AC_BW_20; + break; + case BRCMU_CHAN_BW_40: + case BRCMU_CHAN_BW_80: + case BRCMU_CHAN_BW_80P80: + case BRCMU_CHAN_BW_160: + default: + WARN_ON_ONCE(1); + break; + } + + if (ch->chnum <= CH_MAX_2G_CHANNEL) + ch->chspec |= BRCMU_CHSPEC_D11AC_BND_2G; + else + ch->chspec |= BRCMU_CHSPEC_D11AC_BND_5G; +} + +static void brcmu_d11n_decchspec(struct brcmu_chan *ch) +{ + u16 val; + + ch->chnum = (u8)(ch->chspec & BRCMU_CHSPEC_CH_MASK); + + switch (ch->chspec & BRCMU_CHSPEC_D11N_BW_MASK) { + case BRCMU_CHSPEC_D11N_BW_20: + ch->bw = BRCMU_CHAN_BW_20; + break; + case BRCMU_CHSPEC_D11N_BW_40: + ch->bw = BRCMU_CHAN_BW_40; + val = ch->chspec & BRCMU_CHSPEC_D11N_SB_MASK; + if (val == BRCMU_CHSPEC_D11N_SB_L) { + ch->sb = BRCMU_CHAN_SB_L; + ch->chnum -= CH_10MHZ_APART; + } else { + ch->sb = BRCMU_CHAN_SB_U; + ch->chnum += CH_10MHZ_APART; + } + break; + default: + WARN_ON_ONCE(1); + break; + } + + switch (ch->chspec & BRCMU_CHSPEC_D11N_BND_MASK) { + case BRCMU_CHSPEC_D11N_BND_5G: + ch->band = BRCMU_CHAN_BAND_5G; + break; + case BRCMU_CHSPEC_D11N_BND_2G: + ch->band = BRCMU_CHAN_BAND_2G; + break; + default: + WARN_ON_ONCE(1); + break; + } +} + +static void brcmu_d11ac_decchspec(struct brcmu_chan *ch) +{ + u16 val; + + ch->chnum = (u8)(ch->chspec & BRCMU_CHSPEC_CH_MASK); + + switch (ch->chspec & BRCMU_CHSPEC_D11AC_BW_MASK) { + case BRCMU_CHSPEC_D11AC_BW_20: + ch->bw = BRCMU_CHAN_BW_20; + break; + case BRCMU_CHSPEC_D11AC_BW_40: + ch->bw = BRCMU_CHAN_BW_40; + val = ch->chspec & BRCMU_CHSPEC_D11AC_SB_MASK; + if (val == BRCMU_CHSPEC_D11AC_SB_L) { + ch->sb = BRCMU_CHAN_SB_L; + ch->chnum -= CH_10MHZ_APART; + } else if (val == BRCMU_CHSPEC_D11AC_SB_U) { + ch->sb = BRCMU_CHAN_SB_U; + ch->chnum += CH_10MHZ_APART; + } else { + WARN_ON_ONCE(1); + } + break; + case BRCMU_CHSPEC_D11AC_BW_80: + ch->bw = BRCMU_CHAN_BW_80; + break; + case BRCMU_CHSPEC_D11AC_BW_8080: + case BRCMU_CHSPEC_D11AC_BW_160: + default: + WARN_ON_ONCE(1); + break; + } + + switch (ch->chspec & BRCMU_CHSPEC_D11AC_BND_MASK) { + case BRCMU_CHSPEC_D11AC_BND_5G: + ch->band = BRCMU_CHAN_BAND_5G; + break; + case BRCMU_CHSPEC_D11AC_BND_2G: + ch->band = BRCMU_CHAN_BAND_2G; + break; + default: + WARN_ON_ONCE(1); + break; + } +} + +void brcmu_d11_attach(struct brcmu_d11inf *d11inf) +{ + if (d11inf->io_type == BRCMU_D11N_IOTYPE) { + d11inf->encchspec = brcmu_d11n_encchspec; + d11inf->decchspec = brcmu_d11n_decchspec; + } else { + d11inf->encchspec = brcmu_d11ac_encchspec; + d11inf->decchspec = brcmu_d11ac_decchspec; + } +} +EXPORT_SYMBOL(brcmu_d11_attach); -- cgit v1.2.3