From patchwork Thu Apr 11 11:28:49 2013 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Arend van Spriel X-Patchwork-Id: 2427581 Return-Path: X-Original-To: patchwork-linux-wireless@patchwork.kernel.org Delivered-To: patchwork-process-083081@patchwork2.kernel.org Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by patchwork2.kernel.org (Postfix) with ESMTP id 083B7DFE82 for ; Thu, 11 Apr 2013 11:29:45 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1754709Ab3DKL3k (ORCPT ); Thu, 11 Apr 2013 07:29:40 -0400 Received: from mms1.broadcom.com ([216.31.210.17]:4989 "EHLO mms1.broadcom.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1754728Ab3DKL3Z (ORCPT ); Thu, 11 Apr 2013 07:29:25 -0400 Received: from [10.9.208.57] by mms1.broadcom.com with ESMTP (Broadcom SMTP Relay (Email Firewall v6.5)); Thu, 11 Apr 2013 04:26:17 -0700 X-Server-Uuid: 06151B78-6688-425E-9DE2-57CB27892261 Received: from IRVEXCHSMTP2.corp.ad.broadcom.com (10.9.207.52) by IRVEXCHCAS08.corp.ad.broadcom.com (10.9.208.57) with Microsoft SMTP Server (TLS) id 14.1.438.0; Thu, 11 Apr 2013 04:29:08 -0700 Received: from mail-sj1-12.sj.broadcom.com (10.10.10.20) by IRVEXCHSMTP2.corp.ad.broadcom.com (10.9.207.52) with Microsoft SMTP Server id 14.1.438.0; Thu, 11 Apr 2013 04:29:08 -0700 Received: from arend-ubuntu-1 (unknown [10.176.68.139]) by mail-sj1-12.sj.broadcom.com (Postfix) with ESMTP id C8752207D0; Thu, 11 Apr 2013 04:29:04 -0700 (PDT) Received: from arend by arend-ubuntu-1 with local (Exim 4.80) ( envelope-from ) id 1UQFgd-0006hK-MR; Thu, 11 Apr 2013 13:29:03 +0200 From: "Arend van Spriel" To: "John W. Linville" cc: linux-wireless , "Franky Lin" , "Arend van Spriel" Subject: [PATCH 04/15] brcmutil: add new d11 interface support Date: Thu, 11 Apr 2013 13:28:49 +0200 Message-ID: <1365679740-25679-5-git-send-email-arend@broadcom.com> X-Mailer: git-send-email 1.7.10.4 In-Reply-To: <1365679740-25679-1-git-send-email-arend@broadcom.com> References: <1365679740-25679-1-git-send-email-arend@broadcom.com> MIME-Version: 1.0 X-WSS-ID: 7D7842533XC420019-01-01 Sender: linux-wireless-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-wireless@vger.kernel.org From: Franky Lin 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 --- drivers/net/wireless/brcm80211/brcmutil/Makefile | 3 +- drivers/net/wireless/brcm80211/brcmutil/d11.c | 162 ++++++++++++++++++++ drivers/net/wireless/brcm80211/include/brcmu_d11.h | 145 ++++++++++++++++++ 3 files changed, 309 insertions(+), 1 deletion(-) create mode 100644 drivers/net/wireless/brcm80211/brcmutil/d11.c create mode 100644 drivers/net/wireless/brcm80211/include/brcmu_d11.h diff --git a/drivers/net/wireless/brcm80211/brcmutil/Makefile b/drivers/net/wireless/brcm80211/brcmutil/Makefile index 6281c41..d7c4475 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 0000000..30e54e2 --- /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); diff --git a/drivers/net/wireless/brcm80211/include/brcmu_d11.h b/drivers/net/wireless/brcm80211/include/brcmu_d11.h new file mode 100644 index 0000000..92623f0 --- /dev/null +++ b/drivers/net/wireless/brcm80211/include/brcmu_d11.h @@ -0,0 +1,145 @@ +/* + * Copyright (c) 2010 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. + */ + +#ifndef _BRCMU_D11_H_ +#define _BRCMU_D11_H_ + +/* d11 io type */ +#define BRCMU_D11N_IOTYPE 1 +#define BRCMU_D11AC_IOTYPE 2 + +/* A chanspec (channel specification) holds the channel number, band, + * bandwidth and control sideband + */ + +/* chanspec binary format */ + +#define BRCMU_CHSPEC_INVALID 255 +/* bit 0~7 channel number + * for 80+80 channels: bit 0~3 low channel id, bit 4~7 high channel id + */ +#define BRCMU_CHSPEC_CH_MASK 0x00ff +#define BRCMU_CHSPEC_CH_SHIFT 0 +#define BRCMU_CHSPEC_CHL_MASK 0x000f +#define BRCMU_CHSPEC_CHL_SHIFT 0 +#define BRCMU_CHSPEC_CHH_MASK 0x00f0 +#define BRCMU_CHSPEC_CHH_SHIFT 4 + +/* bit 8~16 for dot 11n IO types + * bit 8~9 sideband + * bit 10~11 bandwidth + * bit 12~13 spectral band + * bit 14~15 not used + */ +#define BRCMU_CHSPEC_D11N_SB_MASK 0x0300 +#define BRCMU_CHSPEC_D11N_SB_SHIFT 8 +#define BRCMU_CHSPEC_D11N_SB_L 0x0100 /* control lower */ +#define BRCMU_CHSPEC_D11N_SB_U 0x0200 /* control upper */ +#define BRCMU_CHSPEC_D11N_SB_N 0x0300 /* none */ +#define BRCMU_CHSPEC_D11N_BW_MASK 0x0c00 +#define BRCMU_CHSPEC_D11N_BW_SHIFT 10 +#define BRCMU_CHSPEC_D11N_BW_10 0x0400 +#define BRCMU_CHSPEC_D11N_BW_20 0x0800 +#define BRCMU_CHSPEC_D11N_BW_40 0x0c00 +#define BRCMU_CHSPEC_D11N_BND_MASK 0x3000 +#define BRCMU_CHSPEC_D11N_BND_SHIFT 12 +#define BRCMU_CHSPEC_D11N_BND_5G 0x1000 +#define BRCMU_CHSPEC_D11N_BND_2G 0x2000 + +/* bit 8~16 for dot 11ac IO types + * bit 8~10 sideband + * bit 11~13 bandwidth + * bit 14~15 spectral band + */ +#define BRCMU_CHSPEC_D11AC_SB_MASK 0x0700 +#define BRCMU_CHSPEC_D11AC_SB_SHIFT 8 +#define BRCMU_CHSPEC_D11AC_SB_LLL 0x0000 +#define BRCMU_CHSPEC_D11AC_SB_LLU 0x0100 +#define BRCMU_CHSPEC_D11AC_SB_LUL 0x0200 +#define BRCMU_CHSPEC_D11AC_SB_LUU 0x0300 +#define BRCMU_CHSPEC_D11AC_SB_ULL 0x0400 +#define BRCMU_CHSPEC_D11AC_SB_ULU 0x0500 +#define BRCMU_CHSPEC_D11AC_SB_UUL 0x0600 +#define BRCMU_CHSPEC_D11AC_SB_UUU 0x0700 +#define BRCMU_CHSPEC_D11AC_SB_LL BRCMU_CHSPEC_D11AC_SB_LLL +#define BRCMU_CHSPEC_D11AC_SB_LU BRCMU_CHSPEC_D11AC_SB_LLU +#define BRCMU_CHSPEC_D11AC_SB_UL BRCMU_CHSPEC_D11AC_SB_LUL +#define BRCMU_CHSPEC_D11AC_SB_UU BRCMU_CHSPEC_D11AC_SB_LUU +#define BRCMU_CHSPEC_D11AC_SB_L BRCMU_CHSPEC_D11AC_SB_LLL +#define BRCMU_CHSPEC_D11AC_SB_U BRCMU_CHSPEC_D11AC_SB_LLU +#define BRCMU_CHSPEC_D11AC_BW_MASK 0x3800 +#define BRCMU_CHSPEC_D11AC_BW_SHIFT 11 +#define BRCMU_CHSPEC_D11AC_BW_5 0x0000 +#define BRCMU_CHSPEC_D11AC_BW_10 0x0800 +#define BRCMU_CHSPEC_D11AC_BW_20 0x1000 +#define BRCMU_CHSPEC_D11AC_BW_40 0x1800 +#define BRCMU_CHSPEC_D11AC_BW_80 0x2000 +#define BRCMU_CHSPEC_D11AC_BW_160 0x2800 +#define BRCMU_CHSPEC_D11AC_BW_8080 0x3000 +#define BRCMU_CHSPEC_D11AC_BND_MASK 0xc000 +#define BRCMU_CHSPEC_D11AC_BND_SHIFT 14 +#define BRCMU_CHSPEC_D11AC_BND_2G 0x0000 +#define BRCMU_CHSPEC_D11AC_BND_3G 0x4000 +#define BRCMU_CHSPEC_D11AC_BND_4G 0x8000 +#define BRCMU_CHSPEC_D11AC_BND_5G 0xc000 + +#define BRCMU_CHAN_BAND_2G 0 +#define BRCMU_CHAN_BAND_5G 1 + +enum brcmu_chan_bw { + BRCMU_CHAN_BW_20, + BRCMU_CHAN_BW_40, + BRCMU_CHAN_BW_80, + BRCMU_CHAN_BW_80P80, + BRCMU_CHAN_BW_160, +}; + +enum brcmu_chan_sb { + BRCMU_CHAN_SB_NONE = 0, + BRCMU_CHAN_SB_L, + BRCMU_CHAN_SB_U, + BRCMU_CHAN_SB_LL, + BRCMU_CHAN_SB_LU, + BRCMU_CHAN_SB_UL, + BRCMU_CHAN_SB_UU, + BRCMU_CHAN_SB_LLL, + BRCMU_CHAN_SB_LLU, + BRCMU_CHAN_SB_LUL, + BRCMU_CHAN_SB_LUU, + BRCMU_CHAN_SB_ULL, + BRCMU_CHAN_SB_ULU, + BRCMU_CHAN_SB_UUL, + BRCMU_CHAN_SB_UUU, +}; + +struct brcmu_chan { + u16 chspec; + u8 chnum; + u8 band; + enum brcmu_chan_bw bw; + enum brcmu_chan_sb sb; +}; + +struct brcmu_d11inf { + u8 io_type; + + void (*encchspec)(struct brcmu_chan *ch); + void (*decchspec)(struct brcmu_chan *ch); +}; + +extern void brcmu_d11_attach(struct brcmu_d11inf *d11inf); + +#endif /* _BRCMU_CHANNELS_H_ */