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[PATCH] bcm43xx: sync GPHY init with the specs. 

Signed-off-by: Michael Buesch <mbuesch@freenet.de>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
This commit is contained in:
Michael Buesch 2006-03-25 20:36:57 +01:00 committed by John W. Linville
parent 8afceb1e6a
commit adc40e9796
3 changed files with 255 additions and 29 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

5
drivers/net/wireless/bcm43xx/bcm43xx.h
View File

@ -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

4
drivers/net/wireless/bcm43xx/bcm43xx_main.c
View File

@ -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);

275
drivers/net/wireless/bcm43xx/bcm43xx_phy.c
View File

@ -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)