From adc40e9796d03d56e99bdac62492492a1098124b Mon Sep 17 00:00:00 2001 From: Michael Buesch Date: Sat, 25 Mar 2006 20:36:57 +0100 Subject: [PATCH] bcm43xx: sync GPHY init with the specs. Signed-off-by: Michael Buesch Signed-off-by: John W. Linville --- drivers/net/wireless/bcm43xx/bcm43xx.h | 5 + drivers/net/wireless/bcm43xx/bcm43xx_main.c | 4 +- drivers/net/wireless/bcm43xx/bcm43xx_phy.c | 275 +++++++++++++++++++++++++--- 3 files changed, 255 insertions(+), 29 deletions(-) (limited to 'drivers/net/wireless') diff --git a/drivers/net/wireless/bcm43xx/bcm43xx.h b/drivers/net/wireless/bcm43xx/bcm43xx.h index ae0fe5cf1d4..dcadd295de4 100644 --- a/drivers/net/wireless/bcm43xx/bcm43xx.h +++ b/drivers/net/wireless/bcm43xx/bcm43xx.h @@ -495,6 +495,10 @@ struct bcm43xx_phyinfo { const s8 *tssi2dbm; /* idle TSSI value */ s8 idle_tssi; + + /* Values from bcm43xx_calc_loopback_gain() */ + u16 loopback_gain[2]; + /* PHY lock for core.rev < 3 * This lock is only used by bcm43xx_phy_{un}lock() */ @@ -674,6 +678,7 @@ struct bcm43xx_private { u16 chip_id; u8 chip_rev; + u8 chip_package; struct bcm43xx_sprominfo sprom; #define BCM43xx_NR_LEDS 4 diff --git a/drivers/net/wireless/bcm43xx/bcm43xx_main.c b/drivers/net/wireless/bcm43xx/bcm43xx_main.c index 7c1d72fc628..2b7ef9b46cc 100644 --- a/drivers/net/wireless/bcm43xx/bcm43xx_main.c +++ b/drivers/net/wireless/bcm43xx/bcm43xx_main.c @@ -570,6 +570,7 @@ static int bcm43xx_read_radioinfo(struct bcm43xx_private *bcm) radio->baseband_atten = bcm43xx_default_baseband_attenuation(bcm); radio->radio_atten = bcm43xx_default_radio_attenuation(bcm); radio->txctl1 = bcm43xx_default_txctl1(bcm); + radio->txctl2 = 0xFFFF; if (phy->type == BCM43xx_PHYTYPE_A) radio->txpower_desired = bcm->sprom.maxpower_aphy; else @@ -2635,7 +2636,8 @@ static int bcm43xx_probe_cores(struct bcm43xx_private *bcm) } bcm->chip_id = chip_id_16; - bcm->chip_rev = (chip_id_32 & 0x000f0000) >> 16; + bcm->chip_rev = (chip_id_32 & 0x000F0000) >> 16; + bcm->chip_package = (chip_id_32 & 0x00F00000) >> 20; dprintk(KERN_INFO PFX "Chip ID 0x%x, rev 0x%x\n", bcm->chip_id, bcm->chip_rev); diff --git a/drivers/net/wireless/bcm43xx/bcm43xx_phy.c b/drivers/net/wireless/bcm43xx/bcm43xx_phy.c index 4ab17a7f7e9..0a66f43ca0c 100644 --- a/drivers/net/wireless/bcm43xx/bcm43xx_phy.c +++ b/drivers/net/wireless/bcm43xx/bcm43xx_phy.c @@ -994,12 +994,205 @@ static void bcm43xx_phy_initb6(struct bcm43xx_private *bcm) bcm43xx_write16(bcm, 0x03E6, 0x0); } +static void bcm43xx_calc_loopback_gain(struct bcm43xx_private *bcm) +{ + struct bcm43xx_phyinfo *phy = bcm43xx_current_phy(bcm); + struct bcm43xx_radioinfo *radio = bcm43xx_current_radio(bcm); + u16 backup_phy[15]; + u16 backup_radio[3]; + u16 backup_bband; + u16 i; + u16 loop1_cnt, loop1_done, loop1_omitted; + u16 loop2_done; + + backup_phy[0] = bcm43xx_phy_read(bcm, 0x0429); + backup_phy[1] = bcm43xx_phy_read(bcm, 0x0001); + backup_phy[2] = bcm43xx_phy_read(bcm, 0x0811); + backup_phy[3] = bcm43xx_phy_read(bcm, 0x0812); + backup_phy[4] = bcm43xx_phy_read(bcm, 0x0814); + backup_phy[5] = bcm43xx_phy_read(bcm, 0x0815); + backup_phy[6] = bcm43xx_phy_read(bcm, 0x005A); + backup_phy[7] = bcm43xx_phy_read(bcm, 0x0059); + backup_phy[8] = bcm43xx_phy_read(bcm, 0x0058); + backup_phy[9] = bcm43xx_phy_read(bcm, 0x000A); + backup_phy[10] = bcm43xx_phy_read(bcm, 0x0003); + backup_phy[11] = bcm43xx_phy_read(bcm, 0x080F); + backup_phy[12] = bcm43xx_phy_read(bcm, 0x0810); + backup_phy[13] = bcm43xx_phy_read(bcm, 0x002B); + backup_phy[14] = bcm43xx_phy_read(bcm, 0x0015); + bcm43xx_phy_read(bcm, 0x002D); /* dummy read */ + backup_bband = radio->baseband_atten; + backup_radio[0] = bcm43xx_radio_read16(bcm, 0x0052); + backup_radio[1] = bcm43xx_radio_read16(bcm, 0x0043); + backup_radio[2] = bcm43xx_radio_read16(bcm, 0x007A); + + bcm43xx_phy_write(bcm, 0x0429, + bcm43xx_phy_read(bcm, 0x0429) & 0x3FFF); + bcm43xx_phy_write(bcm, 0x0001, + bcm43xx_phy_read(bcm, 0x0001) & 0x8000); + bcm43xx_phy_write(bcm, 0x0811, + bcm43xx_phy_read(bcm, 0x0811) | 0x0002); + bcm43xx_phy_write(bcm, 0x0812, + bcm43xx_phy_read(bcm, 0x0812) & 0xFFFD); + bcm43xx_phy_write(bcm, 0x0811, + bcm43xx_phy_read(bcm, 0x0811) | 0x0001); + bcm43xx_phy_write(bcm, 0x0812, + bcm43xx_phy_read(bcm, 0x0812) & 0xFFFE); + bcm43xx_phy_write(bcm, 0x0814, + bcm43xx_phy_read(bcm, 0x0814) | 0x0001); + bcm43xx_phy_write(bcm, 0x0815, + bcm43xx_phy_read(bcm, 0x0815) & 0xFFFE); + bcm43xx_phy_write(bcm, 0x0814, + bcm43xx_phy_read(bcm, 0x0814) | 0x0002); + bcm43xx_phy_write(bcm, 0x0815, + bcm43xx_phy_read(bcm, 0x0815) & 0xFFFD); + bcm43xx_phy_write(bcm, 0x0811, + bcm43xx_phy_read(bcm, 0x0811) | 0x000C); + bcm43xx_phy_write(bcm, 0x0812, + bcm43xx_phy_read(bcm, 0x0812) | 0x000C); + + bcm43xx_phy_write(bcm, 0x0811, + (bcm43xx_phy_read(bcm, 0x0811) + & 0xFFCF) | 0x0030); + bcm43xx_phy_write(bcm, 0x0812, + (bcm43xx_phy_read(bcm, 0x0812) + & 0xFFCF) | 0x0010); + + bcm43xx_phy_write(bcm, 0x005A, 0x0780); + bcm43xx_phy_write(bcm, 0x0059, 0xC810); + bcm43xx_phy_write(bcm, 0x0058, 0x000D); + if (phy->version == 0) { + bcm43xx_phy_write(bcm, 0x0003, 0x0122); + } else { + bcm43xx_phy_write(bcm, 0x000A, + bcm43xx_phy_read(bcm, 0x000A) + | 0x2000); + } + bcm43xx_phy_write(bcm, 0x0814, + bcm43xx_phy_read(bcm, 0x0814) | 0x0004); + bcm43xx_phy_write(bcm, 0x0815, + bcm43xx_phy_read(bcm, 0x0815) & 0xFFFB); + bcm43xx_phy_write(bcm, 0x0003, + (bcm43xx_phy_read(bcm, 0x0003) + & 0xFF9F) | 0x0040); + if (radio->version == 0x2050 && radio->revision == 2) { + bcm43xx_radio_write16(bcm, 0x0052, 0x0000); + bcm43xx_radio_write16(bcm, 0x0043, + (bcm43xx_radio_read16(bcm, 0x0043) + & 0xFFF0) | 0x0009); + loop1_cnt = 9; + } else if (radio->revision == 8) { + bcm43xx_radio_write16(bcm, 0x0043, 0x000F); + loop1_cnt = 15; + } else + loop1_cnt = 0; + + bcm43xx_phy_set_baseband_attenuation(bcm, 11); + + if (phy->rev >= 3) + bcm43xx_phy_write(bcm, 0x080F, 0xC020); + else + bcm43xx_phy_write(bcm, 0x080F, 0x8020); + bcm43xx_phy_write(bcm, 0x0810, 0x0000); + + bcm43xx_phy_write(bcm, 0x002B, + (bcm43xx_phy_read(bcm, 0x002B) + & 0xFFC0) | 0x0001); + bcm43xx_phy_write(bcm, 0x002B, + (bcm43xx_phy_read(bcm, 0x002B) + & 0xC0FF) | 0x0800); + bcm43xx_phy_write(bcm, 0x0811, + bcm43xx_phy_read(bcm, 0x0811) | 0x0100); + bcm43xx_phy_write(bcm, 0x0812, + bcm43xx_phy_read(bcm, 0x0812) & 0xCFFF); + if (bcm->sprom.boardflags & BCM43xx_BFL_EXTLNA) { + if (phy->rev >= 7) { + bcm43xx_phy_write(bcm, 0x0811, + bcm43xx_phy_read(bcm, 0x0811) + | 0x0800); + bcm43xx_phy_write(bcm, 0x0812, + bcm43xx_phy_read(bcm, 0x0812) + | 0x8000); + } + } + bcm43xx_radio_write16(bcm, 0x007A, + bcm43xx_radio_read16(bcm, 0x007A) + & 0x00F7); + + for (i = 0; i < loop1_cnt; i++) { + bcm43xx_radio_write16(bcm, 0x0043, loop1_cnt); + bcm43xx_phy_write(bcm, 0x0812, + (bcm43xx_phy_read(bcm, 0x0812) + & 0xF0FF) | (i << 8)); + bcm43xx_phy_write(bcm, 0x0015, + (bcm43xx_phy_read(bcm, 0x0015) + & 0x0FFF) | 0xA000); + bcm43xx_phy_write(bcm, 0x0015, + (bcm43xx_phy_read(bcm, 0x0015) + & 0x0FFF) | 0xF000); + udelay(20); + if (bcm43xx_phy_read(bcm, 0x002D) >= 0x0DFC) + break; + } + loop1_done = i; + loop1_omitted = loop1_cnt - loop1_done; + + loop2_done = 0; + if (loop1_done >= 8) { + bcm43xx_phy_write(bcm, 0x0812, + bcm43xx_phy_read(bcm, 0x0812) + | 0x0030); + for (i = loop1_done - 8; i < 16; i++) { + bcm43xx_phy_write(bcm, 0x0812, + (bcm43xx_phy_read(bcm, 0x0812) + & 0xF0FF) | (i << 8)); + bcm43xx_phy_write(bcm, 0x0015, + (bcm43xx_phy_read(bcm, 0x0015) + & 0x0FFF) | 0xA000); + bcm43xx_phy_write(bcm, 0x0015, + (bcm43xx_phy_read(bcm, 0x0015) + & 0x0FFF) | 0xF000); + udelay(20); + if (bcm43xx_phy_read(bcm, 0x002D) >= 0x0DFC) + break; + } + } + + bcm43xx_phy_write(bcm, 0x0814, backup_phy[4]); + bcm43xx_phy_write(bcm, 0x0815, backup_phy[5]); + bcm43xx_phy_write(bcm, 0x005A, backup_phy[6]); + bcm43xx_phy_write(bcm, 0x0059, backup_phy[7]); + bcm43xx_phy_write(bcm, 0x0058, backup_phy[8]); + bcm43xx_phy_write(bcm, 0x000A, backup_phy[9]); + bcm43xx_phy_write(bcm, 0x0003, backup_phy[10]); + bcm43xx_phy_write(bcm, 0x080F, backup_phy[11]); + bcm43xx_phy_write(bcm, 0x0810, backup_phy[12]); + bcm43xx_phy_write(bcm, 0x002B, backup_phy[13]); + bcm43xx_phy_write(bcm, 0x0015, backup_phy[14]); + + bcm43xx_phy_set_baseband_attenuation(bcm, backup_bband); + + bcm43xx_radio_write16(bcm, 0x0052, backup_radio[0]); + bcm43xx_radio_write16(bcm, 0x0043, backup_radio[1]); + bcm43xx_radio_write16(bcm, 0x007A, backup_radio[2]); + + bcm43xx_phy_write(bcm, 0x0811, backup_phy[2] | 0x0003); + udelay(10); + bcm43xx_phy_write(bcm, 0x0811, backup_phy[2]); + bcm43xx_phy_write(bcm, 0x0812, backup_phy[3]); + bcm43xx_phy_write(bcm, 0x0429, backup_phy[0]); + bcm43xx_phy_write(bcm, 0x0001, backup_phy[1]); + + phy->loopback_gain[0] = ((loop1_done * 6) - (loop1_omitted * 4)) - 11; + phy->loopback_gain[1] = (24 - (3 * loop2_done)) * 2; +} + static void bcm43xx_phy_initg(struct bcm43xx_private *bcm) { struct bcm43xx_phyinfo *phy = bcm43xx_current_phy(bcm); struct bcm43xx_radioinfo *radio = bcm43xx_current_radio(bcm); u16 tmp; - + if (phy->rev == 1) bcm43xx_phy_initb5(bcm); else if (phy->rev >= 2 && phy->rev <= 7) @@ -1015,47 +1208,63 @@ static void bcm43xx_phy_initg(struct bcm43xx_private *bcm) else if (phy->rev >= 3) bcm43xx_phy_write(bcm, 0x0811, 0x0400); bcm43xx_phy_write(bcm, 0x0015, 0x00C0); - tmp = bcm43xx_phy_read(bcm, 0x0400) & 0xFF; - if (tmp == 3) { - bcm43xx_phy_write(bcm, 0x04C2, 0x1816); - bcm43xx_phy_write(bcm, 0x04C3, 0x8606); - } else if (tmp == 4 || tmp == 5) { - bcm43xx_phy_write(bcm, 0x04C2, 0x1816); - bcm43xx_phy_write(bcm, 0x04C3, 0x8006); - bcm43xx_phy_write(bcm, 0x04CC, (bcm43xx_phy_read(bcm, 0x04CC) - & 0x00FF) | 0x1F00); + if (phy->connected) { + tmp = bcm43xx_phy_read(bcm, 0x0400) & 0xFF; + if (tmp < 6) { + bcm43xx_phy_write(bcm, 0x04C2, 0x1816); + bcm43xx_phy_write(bcm, 0x04C3, 0x8006); + if (tmp != 3) { + bcm43xx_phy_write(bcm, 0x04CC, + (bcm43xx_phy_read(bcm, 0x04CC) + & 0x00FF) | 0x1F00); + } + } } } - if (radio->revision <= 3 && phy->connected) + if (phy->rev < 3 && phy->connected) bcm43xx_phy_write(bcm, 0x047E, 0x0078); - if (radio->revision >= 6 && radio->revision <= 8) { + if (phy->rev >= 6 && phy->rev <= 8) { bcm43xx_phy_write(bcm, 0x0801, bcm43xx_phy_read(bcm, 0x0801) | 0x0080); bcm43xx_phy_write(bcm, 0x043E, bcm43xx_phy_read(bcm, 0x043E) | 0x0004); } - if (radio->initval == 0xFFFF) { - radio->initval = bcm43xx_radio_init2050(bcm); + if (phy->rev >= 2 && phy->connected) + bcm43xx_calc_loopback_gain(bcm); + if (radio->revision != 8) { + if (radio->initval == 0xFFFF) + radio->initval = bcm43xx_radio_init2050(bcm); + else + bcm43xx_radio_write16(bcm, 0x0078, radio->initval); + } + if (radio->txctl2 == 0xFFFF) { bcm43xx_phy_lo_g_measure(bcm); } else { - bcm43xx_radio_write16(bcm, 0x0078, radio->initval); - bcm43xx_radio_write16(bcm, 0x0052, - (bcm43xx_radio_read16(bcm, 0x0052) & 0xFFF0) - | radio->txctl2); - } - - if (phy->connected) { - bcm43xx_phy_lo_adjust(bcm, 0); - bcm43xx_phy_write(bcm, 0x080F, 0x8078); - + if (radio->version == 0x2050 && radio->revision == 8) { + //FIXME + } else { + bcm43xx_radio_write16(bcm, 0x0052, + (bcm43xx_radio_read16(bcm, 0x0052) + & 0xFFF0) | radio->txctl1); + } + if (phy->rev >= 6) { + /* + bcm43xx_phy_write(bcm, 0x0036, + (bcm43xx_phy_read(bcm, 0x0036) + & 0xF000) | (FIXME << 12)); + */ + } if (bcm->sprom.boardflags & BCM43xx_BFL_PACTRL) - bcm43xx_phy_write(bcm, 0x002E, 0x807F); - else bcm43xx_phy_write(bcm, 0x002E, 0x8075); - + else + bcm43xx_phy_write(bcm, 0x003E, 0x807F); if (phy->rev < 2) bcm43xx_phy_write(bcm, 0x002F, 0x0101); else bcm43xx_phy_write(bcm, 0x002F, 0x0202); } + if (phy->connected) { + bcm43xx_phy_lo_adjust(bcm, 0); + bcm43xx_phy_write(bcm, 0x080F, 0x8078); + } if (!(bcm->sprom.boardflags & BCM43xx_BFL_RSSI)) { /* The specs state to update the NRSSI LT with @@ -1070,10 +1279,20 @@ static void bcm43xx_phy_initg(struct bcm43xx_private *bcm) if (radio->nrssi[0] == -1000) { assert(radio->nrssi[1] == -1000); bcm43xx_calc_nrssi_slope(bcm); - } else + } else { + assert(radio->nrssi[1] != -1000); bcm43xx_calc_nrssi_threshold(bcm); + } } + if (radio->revision == 8) + bcm43xx_phy_write(bcm, 0x0805, 0x3230); bcm43xx_phy_init_pctl(bcm); + if (bcm->chip_id == 0x4306 && bcm->chip_package != 2) { + bcm43xx_phy_write(bcm, 0x0429, + bcm43xx_phy_read(bcm, 0x0429) & 0xBFFF); + bcm43xx_phy_write(bcm, 0x04C3, + bcm43xx_phy_read(bcm, 0x04C3) & 0x7FFF); + } } static u16 bcm43xx_phy_lo_b_r15_loop(struct bcm43xx_private *bcm) -- cgit v1.2.3