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path: root/drivers/net/wireless/b43/ppr.c
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Diffstat (limited to 'drivers/net/wireless/b43/ppr.c')
-rw-r--r--drivers/net/wireless/b43/ppr.c199
1 files changed, 0 insertions, 199 deletions
diff --git a/drivers/net/wireless/b43/ppr.c b/drivers/net/wireless/b43/ppr.c
deleted file mode 100644
index 9a770279c..000000000
--- a/drivers/net/wireless/b43/ppr.c
+++ /dev/null
@@ -1,199 +0,0 @@
-/*
- * Broadcom B43 wireless driver
- * PPR (Power Per Rate) management
- *
- * Copyright (c) 2014 Rafał Miłecki <zajec5@gmail.com>
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation; either version 2 of the License, or
- * (at your option) any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU General Public License for more details.
- */
-
-#include "ppr.h"
-#include "b43.h"
-
-#define ppr_for_each_entry(ppr, i, entry) \
- for (i = 0, entry = &(ppr)->__all_rates[i]; \
- i < B43_PPR_RATES_NUM; \
- i++, entry++)
-
-void b43_ppr_clear(struct b43_wldev *dev, struct b43_ppr *ppr)
-{
- memset(ppr, 0, sizeof(*ppr));
-
- /* Compile-time PPR check */
- BUILD_BUG_ON(sizeof(struct b43_ppr) != B43_PPR_RATES_NUM * sizeof(u8));
-}
-
-void b43_ppr_add(struct b43_wldev *dev, struct b43_ppr *ppr, int diff)
-{
- int i;
- u8 *rate;
-
- ppr_for_each_entry(ppr, i, rate) {
- *rate = clamp_val(*rate + diff, 0, 127);
- }
-}
-
-void b43_ppr_apply_max(struct b43_wldev *dev, struct b43_ppr *ppr, u8 max)
-{
- int i;
- u8 *rate;
-
- ppr_for_each_entry(ppr, i, rate) {
- *rate = min(*rate, max);
- }
-}
-
-void b43_ppr_apply_min(struct b43_wldev *dev, struct b43_ppr *ppr, u8 min)
-{
- int i;
- u8 *rate;
-
- ppr_for_each_entry(ppr, i, rate) {
- *rate = max(*rate, min);
- }
-}
-
-u8 b43_ppr_get_max(struct b43_wldev *dev, struct b43_ppr *ppr)
-{
- u8 res = 0;
- int i;
- u8 *rate;
-
- ppr_for_each_entry(ppr, i, rate) {
- res = max(*rate, res);
- }
-
- return res;
-}
-
-bool b43_ppr_load_max_from_sprom(struct b43_wldev *dev, struct b43_ppr *ppr,
- enum b43_band band)
-{
- struct b43_ppr_rates *rates = &ppr->rates;
- struct ssb_sprom *sprom = dev->dev->bus_sprom;
- struct b43_phy *phy = &dev->phy;
- u8 maxpwr, off;
- u32 sprom_ofdm_po;
- u16 *sprom_mcs_po;
- u8 extra_cdd_po, extra_stbc_po;
- int i;
-
- switch (band) {
- case B43_BAND_2G:
- maxpwr = min(sprom->core_pwr_info[0].maxpwr_2g,
- sprom->core_pwr_info[1].maxpwr_2g);
- sprom_ofdm_po = sprom->ofdm2gpo;
- sprom_mcs_po = sprom->mcs2gpo;
- extra_cdd_po = (sprom->cddpo >> 0) & 0xf;
- extra_stbc_po = (sprom->stbcpo >> 0) & 0xf;
- break;
- case B43_BAND_5G_LO:
- maxpwr = min(sprom->core_pwr_info[0].maxpwr_5gl,
- sprom->core_pwr_info[1].maxpwr_5gl);
- sprom_ofdm_po = sprom->ofdm5glpo;
- sprom_mcs_po = sprom->mcs5glpo;
- extra_cdd_po = (sprom->cddpo >> 8) & 0xf;
- extra_stbc_po = (sprom->stbcpo >> 8) & 0xf;
- break;
- case B43_BAND_5G_MI:
- maxpwr = min(sprom->core_pwr_info[0].maxpwr_5g,
- sprom->core_pwr_info[1].maxpwr_5g);
- sprom_ofdm_po = sprom->ofdm5gpo;
- sprom_mcs_po = sprom->mcs5gpo;
- extra_cdd_po = (sprom->cddpo >> 4) & 0xf;
- extra_stbc_po = (sprom->stbcpo >> 4) & 0xf;
- break;
- case B43_BAND_5G_HI:
- maxpwr = min(sprom->core_pwr_info[0].maxpwr_5gh,
- sprom->core_pwr_info[1].maxpwr_5gh);
- sprom_ofdm_po = sprom->ofdm5ghpo;
- sprom_mcs_po = sprom->mcs5ghpo;
- extra_cdd_po = (sprom->cddpo >> 12) & 0xf;
- extra_stbc_po = (sprom->stbcpo >> 12) & 0xf;
- break;
- default:
- WARN_ON_ONCE(1);
- return false;
- }
-
- if (band == B43_BAND_2G) {
- for (i = 0; i < 4; i++) {
- off = ((sprom->cck2gpo >> (i * 4)) & 0xf) * 2;
- rates->cck[i] = maxpwr - off;
- }
- }
-
- /* OFDM */
- for (i = 0; i < 8; i++) {
- off = ((sprom_ofdm_po >> (i * 4)) & 0xf) * 2;
- rates->ofdm[i] = maxpwr - off;
- }
-
- /* MCS 20 SISO */
- rates->mcs_20[0] = rates->ofdm[0];
- rates->mcs_20[1] = rates->ofdm[2];
- rates->mcs_20[2] = rates->ofdm[3];
- rates->mcs_20[3] = rates->ofdm[4];
- rates->mcs_20[4] = rates->ofdm[5];
- rates->mcs_20[5] = rates->ofdm[6];
- rates->mcs_20[6] = rates->ofdm[7];
- rates->mcs_20[7] = rates->ofdm[7];
-
- /* MCS 20 CDD */
- for (i = 0; i < 4; i++) {
- off = ((sprom_mcs_po[0] >> (i * 4)) & 0xf) * 2;
- rates->mcs_20_cdd[i] = maxpwr - off;
- if (phy->type == B43_PHYTYPE_N && phy->rev >= 3)
- rates->mcs_20_cdd[i] -= extra_cdd_po;
- }
- for (i = 0; i < 4; i++) {
- off = ((sprom_mcs_po[1] >> (i * 4)) & 0xf) * 2;
- rates->mcs_20_cdd[4 + i] = maxpwr - off;
- if (phy->type == B43_PHYTYPE_N && phy->rev >= 3)
- rates->mcs_20_cdd[4 + i] -= extra_cdd_po;
- }
-
- /* OFDM 20 CDD */
- rates->ofdm_20_cdd[0] = rates->mcs_20_cdd[0];
- rates->ofdm_20_cdd[1] = rates->mcs_20_cdd[0];
- rates->ofdm_20_cdd[2] = rates->mcs_20_cdd[1];
- rates->ofdm_20_cdd[3] = rates->mcs_20_cdd[2];
- rates->ofdm_20_cdd[4] = rates->mcs_20_cdd[3];
- rates->ofdm_20_cdd[5] = rates->mcs_20_cdd[4];
- rates->ofdm_20_cdd[6] = rates->mcs_20_cdd[5];
- rates->ofdm_20_cdd[7] = rates->mcs_20_cdd[6];
-
- /* MCS 20 STBC */
- for (i = 0; i < 4; i++) {
- off = ((sprom_mcs_po[0] >> (i * 4)) & 0xf) * 2;
- rates->mcs_20_stbc[i] = maxpwr - off;
- if (phy->type == B43_PHYTYPE_N && phy->rev >= 3)
- rates->mcs_20_stbc[i] -= extra_stbc_po;
- }
- for (i = 0; i < 4; i++) {
- off = ((sprom_mcs_po[1] >> (i * 4)) & 0xf) * 2;
- rates->mcs_20_stbc[4 + i] = maxpwr - off;
- if (phy->type == B43_PHYTYPE_N && phy->rev >= 3)
- rates->mcs_20_stbc[4 + i] -= extra_stbc_po;
- }
-
- /* MCS 20 SDM */
- for (i = 0; i < 4; i++) {
- off = ((sprom_mcs_po[2] >> (i * 4)) & 0xf) * 2;
- rates->mcs_20_sdm[i] = maxpwr - off;
- }
- for (i = 0; i < 4; i++) {
- off = ((sprom_mcs_po[3] >> (i * 4)) & 0xf) * 2;
- rates->mcs_20_sdm[4 + i] = maxpwr - off;
- }
-
- return true;
-}
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