diff options
Diffstat (limited to 'drivers/net/wireless/brcm80211/brcmutil/d11.c')
| -rw-r--r-- | drivers/net/wireless/brcm80211/brcmutil/d11.c | 93 |
1 files changed, 76 insertions, 17 deletions
diff --git a/drivers/net/wireless/brcm80211/brcmutil/d11.c b/drivers/net/wireless/brcm80211/brcmutil/d11.c index 30e54e2c6c9b..2b2522bdd8eb 100644 --- a/drivers/net/wireless/brcm80211/brcmutil/d11.c +++ b/drivers/net/wireless/brcm80211/brcmutil/d11.c @@ -21,19 +21,46 @@ #include <brcmu_wifi.h> #include <brcmu_d11.h> -static void brcmu_d11n_encchspec(struct brcmu_chan *ch) +static u16 d11n_sb(enum brcmu_chan_sb sb) { - ch->chspec = ch->chnum & BRCMU_CHSPEC_CH_MASK; + switch (sb) { + case BRCMU_CHAN_SB_NONE: + return BRCMU_CHSPEC_D11N_SB_N; + case BRCMU_CHAN_SB_L: + return BRCMU_CHSPEC_D11N_SB_L; + case BRCMU_CHAN_SB_U: + return BRCMU_CHSPEC_D11N_SB_U; + default: + WARN_ON(1); + } + return 0; +} - switch (ch->bw) { +static u16 d11n_bw(enum brcmu_chan_bw bw) +{ + switch (bw) { case BRCMU_CHAN_BW_20: - ch->chspec |= BRCMU_CHSPEC_D11N_BW_20 | BRCMU_CHSPEC_D11N_SB_N; - break; + return BRCMU_CHSPEC_D11N_BW_20; case BRCMU_CHAN_BW_40: + return BRCMU_CHSPEC_D11N_BW_40; default: - WARN_ON_ONCE(1); - break; + WARN_ON(1); } + return 0; +} + +static void brcmu_d11n_encchspec(struct brcmu_chan *ch) +{ + if (ch->bw == BRCMU_CHAN_BW_20) + ch->sb = BRCMU_CHAN_SB_NONE; + + ch->chspec = 0; + brcmu_maskset16(&ch->chspec, BRCMU_CHSPEC_CH_MASK, + BRCMU_CHSPEC_CH_SHIFT, ch->chnum); + brcmu_maskset16(&ch->chspec, BRCMU_CHSPEC_D11N_SB_MASK, + 0, d11n_sb(ch->sb)); + brcmu_maskset16(&ch->chspec, BRCMU_CHSPEC_D11N_BW_MASK, + 0, d11n_bw(ch->bw)); if (ch->chnum <= CH_MAX_2G_CHANNEL) ch->chspec |= BRCMU_CHSPEC_D11N_BND_2G; @@ -41,23 +68,34 @@ static void brcmu_d11n_encchspec(struct brcmu_chan *ch) ch->chspec |= BRCMU_CHSPEC_D11N_BND_5G; } -static void brcmu_d11ac_encchspec(struct brcmu_chan *ch) +static u16 d11ac_bw(enum brcmu_chan_bw bw) { - ch->chspec = ch->chnum & BRCMU_CHSPEC_CH_MASK; - - switch (ch->bw) { + switch (bw) { case BRCMU_CHAN_BW_20: - ch->chspec |= BRCMU_CHSPEC_D11AC_BW_20; - break; + return BRCMU_CHSPEC_D11AC_BW_20; case BRCMU_CHAN_BW_40: + return BRCMU_CHSPEC_D11AC_BW_40; case BRCMU_CHAN_BW_80: - case BRCMU_CHAN_BW_80P80: - case BRCMU_CHAN_BW_160: + return BRCMU_CHSPEC_D11AC_BW_80; default: - WARN_ON_ONCE(1); - break; + WARN_ON(1); } + return 0; +} +static void brcmu_d11ac_encchspec(struct brcmu_chan *ch) +{ + if (ch->bw == BRCMU_CHAN_BW_20 || ch->sb == BRCMU_CHAN_SB_NONE) + ch->sb = BRCMU_CHAN_SB_L; + + brcmu_maskset16(&ch->chspec, BRCMU_CHSPEC_CH_MASK, + BRCMU_CHSPEC_CH_SHIFT, ch->chnum); + brcmu_maskset16(&ch->chspec, BRCMU_CHSPEC_D11AC_SB_MASK, + BRCMU_CHSPEC_D11AC_SB_SHIFT, ch->sb); + brcmu_maskset16(&ch->chspec, BRCMU_CHSPEC_D11AC_BW_MASK, + 0, d11ac_bw(ch->bw)); + + ch->chspec &= ~BRCMU_CHSPEC_D11AC_BND_MASK; if (ch->chnum <= CH_MAX_2G_CHANNEL) ch->chspec |= BRCMU_CHSPEC_D11AC_BND_2G; else @@ -73,6 +111,7 @@ static void brcmu_d11n_decchspec(struct brcmu_chan *ch) switch (ch->chspec & BRCMU_CHSPEC_D11N_BW_MASK) { case BRCMU_CHSPEC_D11N_BW_20: ch->bw = BRCMU_CHAN_BW_20; + ch->sb = BRCMU_CHAN_SB_NONE; break; case BRCMU_CHSPEC_D11N_BW_40: ch->bw = BRCMU_CHAN_BW_40; @@ -112,6 +151,7 @@ static void brcmu_d11ac_decchspec(struct brcmu_chan *ch) switch (ch->chspec & BRCMU_CHSPEC_D11AC_BW_MASK) { case BRCMU_CHSPEC_D11AC_BW_20: ch->bw = BRCMU_CHAN_BW_20; + ch->sb = BRCMU_CHAN_SB_NONE; break; case BRCMU_CHSPEC_D11AC_BW_40: ch->bw = BRCMU_CHAN_BW_40; @@ -128,6 +168,25 @@ static void brcmu_d11ac_decchspec(struct brcmu_chan *ch) break; case BRCMU_CHSPEC_D11AC_BW_80: ch->bw = BRCMU_CHAN_BW_80; + ch->sb = brcmu_maskget16(ch->chspec, BRCMU_CHSPEC_D11AC_SB_MASK, + BRCMU_CHSPEC_D11AC_SB_SHIFT); + switch (ch->sb) { + case BRCMU_CHAN_SB_LL: + ch->chnum -= CH_30MHZ_APART; + break; + case BRCMU_CHAN_SB_LU: + ch->chnum -= CH_10MHZ_APART; + break; + case BRCMU_CHAN_SB_UL: + ch->chnum += CH_10MHZ_APART; + break; + case BRCMU_CHAN_SB_UU: + ch->chnum += CH_30MHZ_APART; + break; + default: + WARN_ON_ONCE(1); + break; + } break; case BRCMU_CHSPEC_D11AC_BW_8080: case BRCMU_CHSPEC_D11AC_BW_160: |