From a68c356bcf1e76ae649e929db5e4cea9e6bdcd65 Mon Sep 17 00:00:00 2001 From: =?UTF-8?q?Rafa=C5=82=20Mi=C5=82ecki?= Date: Thu, 31 Jul 2014 21:59:46 +0200 Subject: [PATCH] b43: N-PHY: add RF power tables for radio 0x2057 revs 9 & 14 MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit Don't write them as we don't have gains configured correctly yet. Signed-off-by: Rafał Miłecki Signed-off-by: John W. Linville --- drivers/net/wireless/b43/phy_n.c | 21 ++++++-- drivers/net/wireless/b43/tables_nphy.c | 67 ++++++++++++++++++++++++++ drivers/net/wireless/b43/tables_nphy.h | 2 + 3 files changed, 87 insertions(+), 3 deletions(-) diff --git a/drivers/net/wireless/b43/phy_n.c b/drivers/net/wireless/b43/phy_n.c index df640325aa15..57a3ab2ac4dc 100644 --- a/drivers/net/wireless/b43/phy_n.c +++ b/drivers/net/wireless/b43/phy_n.c @@ -4235,8 +4235,9 @@ static void b43_nphy_tx_gain_table_upload(struct b43_wldev *dev) const u32 *table = NULL; u32 rfpwr_offset; - u8 pga_gain; + u8 pga_gain, pad_gain; int i; + const s16 *uninitialized_var(rf_pwr_offset_table); table = b43_nphy_get_tx_gain_table(dev); if (!table) @@ -4252,13 +4253,27 @@ static void b43_nphy_tx_gain_table_upload(struct b43_wldev *dev) nphy->gmval = (table[0] >> 16) & 0x7000; #endif + if (phy->rev >= 19) { + return; + } else if (phy->rev >= 7) { + rf_pwr_offset_table = b43_ntab_get_rf_pwr_offset_table(dev); + if (!rf_pwr_offset_table) + return; + /* TODO: Enable this once we have gains configured */ + return; + } + for (i = 0; i < 128; i++) { if (phy->rev >= 19) { /* TODO */ return; } else if (phy->rev >= 7) { - /* TODO */ - return; + pga_gain = (table[i] >> 24) & 0xf; + pad_gain = (table[i] >> 19) & 0x1f; + if (b43_current_band(dev->wl) == IEEE80211_BAND_2GHZ) + rfpwr_offset = rf_pwr_offset_table[pad_gain]; + else + rfpwr_offset = rf_pwr_offset_table[pga_gain]; } else { pga_gain = (table[i] >> 24) & 0xF; if (b43_current_band(dev->wl) == IEEE80211_BAND_2GHZ) diff --git a/drivers/net/wireless/b43/tables_nphy.c b/drivers/net/wireless/b43/tables_nphy.c index f449cffc697b..25d1cbd34306 100644 --- a/drivers/net/wireless/b43/tables_nphy.c +++ b/drivers/net/wireless/b43/tables_nphy.c @@ -2878,6 +2878,40 @@ const s8 b43_ntab_papd_pga_gain_delta_ipa_2g[] = { -54, -46, -39, -31, -23, -15, -8, 0 }; +/* Extracted from MMIO dump of 6.30.223.248 + * Entries: 0, 15, 17, 21, 24, 26, 27, 29, 30 were guessed + */ +static const s16 b43_ntab_rf_pwr_offset_2057_rev9_2g[] = { + -133, -133, -107, -92, -81, + -73, -66, -61, -56, -52, + -48, -44, -41, -37, -34, + -31, -28, -25, -22, -19, + -17, -14, -12, -10, -9, + -7, -5, -4, -3, -2, + -1, 0, +}; + +/* Extracted from MMIO dump of 6.30.223.248 */ +static const s16 b43_ntab_rf_pwr_offset_2057_rev9_5g[] = { + -101, -94, -86, -79, -72, + -65, -57, -50, -42, -35, + -28, -21, -16, -9, -4, + 0, +}; + +/* Extracted from MMIO dump of 6.30.223.248 + * Entries: 0, 26, 28, 29, 30, 31 were guessed + */ +static const s16 b43_ntab_rf_pwr_offset_2057_rev14_2g[] = { + -111, -111, -111, -84, -70, + -59, -52, -45, -40, -36, + -32, -29, -26, -23, -21, + -18, -16, -15, -13, -11, + -10, -8, -7, -6, -5, + -4, -4, -3, -3, -2, + -2, -1, +}; + const u16 tbl_iqcal_gainparams[2][9][8] = { { { 0x000, 0, 0, 2, 0x69, 0x69, 0x69, 0x69 }, @@ -3708,6 +3742,39 @@ const u32 *b43_nphy_get_tx_gain_table(struct b43_wldev *dev) } } +const s16 *b43_ntab_get_rf_pwr_offset_table(struct b43_wldev *dev) +{ + struct b43_phy *phy = &dev->phy; + + if (b43_current_band(dev->wl) == IEEE80211_BAND_2GHZ) { + switch (phy->rev) { + case 17: + if (phy->radio_rev == 14) + return b43_ntab_rf_pwr_offset_2057_rev14_2g; + break; + case 16: + if (phy->radio_rev == 9) + return b43_ntab_rf_pwr_offset_2057_rev9_2g; + break; + } + + b43err(dev->wl, + "No 2GHz RF power table available for this device\n"); + return NULL; + } else { + switch (phy->rev) { + case 16: + if (phy->radio_rev == 9) + return b43_ntab_rf_pwr_offset_2057_rev9_5g; + break; + } + + b43err(dev->wl, + "No 5GHz RF power table available for this device\n"); + return NULL; + } +} + struct nphy_gain_ctl_workaround_entry *b43_nphy_get_gain_ctl_workaround_ent( struct b43_wldev *dev, bool ghz5, bool ext_lna) { diff --git a/drivers/net/wireless/b43/tables_nphy.h b/drivers/net/wireless/b43/tables_nphy.h index 3ce2e6f3a278..b51f386db02f 100644 --- a/drivers/net/wireless/b43/tables_nphy.h +++ b/drivers/net/wireless/b43/tables_nphy.h @@ -191,6 +191,8 @@ void b43_nphy_tables_init(struct b43_wldev *dev); const u32 *b43_nphy_get_tx_gain_table(struct b43_wldev *dev); +const s16 *b43_ntab_get_rf_pwr_offset_table(struct b43_wldev *dev); + extern const s8 b43_ntab_papd_pga_gain_delta_ipa_2g[]; extern const u16 tbl_iqcal_gainparams[2][9][8];