From 9838985162935a9db12962403808d43f3d225952 Mon Sep 17 00:00:00 2001 From: =?utf8?q?Rafa=C5=82=20Mi=C5=82ecki?= Date: Tue, 1 Mar 2011 21:40:40 +0100 Subject: [PATCH] b43: N-PHY: rev3+: add tables with gain ctl workarounds MIME-Version: 1.0 Content-Type: text/plain; charset=utf8 Content-Transfer-Encoding: 8bit Signed-off-by: Rafał Miłecki Signed-off-by: John W. Linville --- drivers/net/wireless/b43/tables_nphy.c | 103 +++++++++++++++++++++++++ drivers/net/wireless/b43/tables_nphy.h | 25 ++++++ 2 files changed, 128 insertions(+) diff --git a/drivers/net/wireless/b43/tables_nphy.c b/drivers/net/wireless/b43/tables_nphy.c index c42b2acea24e..2de483b3d3ba 100644 --- a/drivers/net/wireless/b43/tables_nphy.c +++ b/drivers/net/wireless/b43/tables_nphy.c @@ -2709,6 +2709,79 @@ const struct nphy_rf_control_override_rev3 tbl_rf_control_override_rev3[] = { { 0x00C0, 6, 0xE7, 0xF9, 0xEC, 0xFB } /* field == 0x4000 (fls 15) */ }; +struct nphy_gain_ctl_workaround_entry nphy_gain_ctl_workaround[2][3] = { + { /* 2GHz */ + { /* PHY rev 3 */ + { 7, 11, 16, 23 }, + { -5, 6, 10, 14 }, + { 0xA, 0xA, 0xA, 0xA, 0xA, 0xA, 0xA, 0xA, 0xA, 0xA }, + { 3, 3, 3, 3, 3, 3, 3, 3, 3, 3 }, + 0x627E, + { 0x613F, 0x613F, 0x613F, 0x613F }, + 0x107E, 0x0066, 0x0074, + 0x18, 0x18, 0x18, + 0x020D, 0x5, + }, + { /* PHY rev 4 */ + { 8, 12, 17, 25 }, + { -5, 6, 10, 14 }, + { 0xA, 0xA, 0xA, 0xA, 0xA, 0xA, 0xA, 0xA, 0xA, 0xA }, + { 3, 3, 3, 3, 3, 3, 3, 3, 3, 3 }, + 0x527E, + { 0x513F, 0x513F, 0x513F, 0x513F }, + 0x007E, 0x0066, 0x0074, + 0x18, 0x18, 0x18, + 0x01A1, 0x5, + }, + { /* PHY rev 5+ */ + { 9, 13, 18, 26 }, + { -3, 7, 11, 16 }, + { 0xA, 0xA, 0xA, 0xA, 0xA, 0xA, 0xA, 0xA, 0xA, 0xA }, + { 3, 3, 3, 3, 3, 3, 3, 3, 3, 3 }, + 0x427E, /* invalid for external LNA! */ + { 0x413F, 0x413F, 0x413F, 0x413F }, /* invalid for external LNA! */ + 0x1076, 0x0066, 0x106A, + 0xC, 0xC, 0xC, + 0x01D0, 0x5, + }, + }, + { /* 5GHz */ + { /* PHY rev 3 */ + { 7, 11, 17, 23 }, + { -6, 2, 6, 10 }, + { 0x13, 0x13, 0x13, 0x13, 0x13, 0x13, 0x13, 0x13, 0x13, 0x13 }, + { 6, 6, 6, 6, 6, 6, 6, 6, 6, 6 }, + 0x52DE, + { 0x516F, 0x516F, 0x516F, 0x516F }, + 0x00DE, 0x00CA, 0x00CC, + 0x1E, 0x1E, 0x1E, + 0x01A1, 25, + }, + { /* PHY rev 4 */ + { 8, 12, 18, 23 }, + { -5, 2, 6, 10 }, + { 0xD, 0xD, 0xD, 0xD, 0xD, 0xD, 0xD, 0xD, 0xD, 0xD }, + { 4, 4, 4, 4, 4, 4, 4, 4, 4, 4 }, + 0x629E, + { 0x614F, 0x614F, 0x614F, 0x614F }, + 0x029E, 0x1084, 0x0086, + 0x24, 0x24, 0x24, + 0x0107, 25, + }, + { /* PHY rev 5+ */ + { 6, 10, 16, 21 }, + { -7, 0, 4, 8 }, + { 0xD, 0xD, 0xD, 0xD, 0xD, 0xD, 0xD, 0xD, 0xD, 0xD }, + { 4, 4, 4, 4, 4, 4, 4, 4, 4, 4 }, + 0x729E, + { 0x714F, 0x714F, 0x714F, 0x714F }, + 0x029E, 0x2084, 0x2086, + 0x24, 0x24, 0x24, + 0x00A9, 25, + }, + }, +}; + static inline void assert_ntab_array_sizes(void) { #undef check @@ -2957,3 +3030,33 @@ void b43_nphy_rev3plus_tables_init(struct b43_wldev *dev) /* Volatile tables */ /* TODO */ } + +struct nphy_gain_ctl_workaround_entry *b43_nphy_get_gain_ctl_workaround_ent( + struct b43_wldev *dev, bool ghz5, bool ext_lna) +{ + struct nphy_gain_ctl_workaround_entry *e; + u8 phy_idx; + + B43_WARN_ON(dev->phy.rev < 3); + if (dev->phy.rev >= 5) + phy_idx = 2; + else if (dev->phy.rev == 4) + phy_idx = 1; + else + phy_idx = 0; + + e = &nphy_gain_ctl_workaround[ghz5][phy_idx]; + + /* Only one entry differs for external LNA, so instead making whole + * table 2 times bigger, hack is here + */ + if (!ghz5 && dev->phy.rev >= 5 && ext_lna) { + e->rfseq_init[0] &= 0x0FFF; + e->rfseq_init[1] &= 0x0FFF; + e->rfseq_init[2] &= 0x0FFF; + e->rfseq_init[3] &= 0x0FFF; + e->init_gain &= 0x0FFF; + } + + return e; +} diff --git a/drivers/net/wireless/b43/tables_nphy.h b/drivers/net/wireless/b43/tables_nphy.h index 016a480b2dc6..18569367ce43 100644 --- a/drivers/net/wireless/b43/tables_nphy.h +++ b/drivers/net/wireless/b43/tables_nphy.h @@ -35,6 +35,31 @@ struct nphy_rf_control_override_rev3 { u8 val_addr1; }; +struct nphy_gain_ctl_workaround_entry { + s8 lna1_gain[4]; + s8 lna2_gain[4]; + u8 gain_db[10]; + u8 gain_bits[10]; + + u16 init_gain; + u16 rfseq_init[4]; + + u16 cliphi_gain; + u16 clipmd_gain; + u16 cliplo_gain; + + u16 crsmin; + u16 crsminl; + u16 crsminu; + + u16 nbclip; + u16 wlclip; +}; + +/* Get entry with workaround values for gain ctl. Does not return NULL. */ +struct nphy_gain_ctl_workaround_entry *b43_nphy_get_gain_ctl_workaround_ent( + struct b43_wldev *dev, bool ghz5, bool ext_lna); + /* Get the NPHY Channel Switch Table entry for a channel. * Returns NULL on failure to find an entry. */ const struct b43_nphy_channeltab_entry_rev2 * -- 2.30.2