[PATCH 3.18 4/7] b43: N-PHY: update rev3+ gain control workarounds

Rafał Miłecki
2014-07-31T19:59:45Z

This fixes workarounds on rev 6+ and cleans code slightly.

Signed-off-by: Rafa? Mi?ecki <zajec5@gmail.com>
---
drivers/net/wireless/b43/tables_nphy.c | 61 +++++++++++++++++++++-------------
1 file changed, 37 insertions(+), 24 deletions(-)

diff --git a/drivers/net/wireless/b43/tables_nphy.c b/drivers/net/wireless/b43/tables_nphy.c
index 4b58850..f449cff 100644
--- a/drivers/net/wireless/b43/tables_nphy.c
+++ b/drivers/net/wireless/b43/tables_nphy.c
@@ -3197,7 +3197,7 @@ static struct nphy_gain_ctl_workaround_entry nphy_gain_ctl_workaround[2][4] = {
{ 3, 3, 3, 3, 3, 3, 3, 3, 3, 3 },
0x527E, /* invalid for external LNA! */
{ 0x513F, 0x513F, 0x513F, 0x513F }, /* invalid for external LNA! */
- 0x1076, 0x0066, 0x0000, /* low is invalid (the last one) */
+ 0x007E, 0x0066, 0x0000, /* low is invalid (the last one) */
0x18, 0x18, 0x18,
0x01D0, 0x5,
},
@@ -3711,6 +3711,7 @@ const u32 *b43_nphy_get_tx_gain_table(struct b43_wldev *dev)
struct nphy_gain_ctl_workaround_entry *b43_nphy_get_gain_ctl_workaround_ent(
struct b43_wldev *dev, bool ghz5, bool ext_lna)
{
+ struct b43_phy *phy = &dev->phy;
struct nphy_gain_ctl_workaround_entry *e;
u8 phy_idx;

@@ -3729,37 +3730,49 @@ struct nphy_gain_ctl_workaround_entry *b43_nphy_get_gain_ctl_workaround_ent(
e = &nphy_gain_ctl_workaround[ghz5][phy_idx];

/* Some workarounds to the workarounds... */
- if (ghz5 && dev->phy.rev >= 6) {
- if (dev->phy.radio_rev == 11 &&
- !b43_is_40mhz(dev))
- e->cliplo_gain = 0x2d;
- } else if (!ghz5 && dev->phy.rev >= 5) {
- static const int gain_data[] = {0x0062, 0x0064, 0x006a, 0x106a,
- 0x106c, 0x1074, 0x107c, 0x207c};
+ if (!ghz5) {
u8 tr_iso = dev->dev->bus_sprom->fem.ghz2.tr_iso;

- if (ext_lna) {
+ if (tr_iso > 7)
+ tr_iso = 3;
+
+ if (phy->rev >= 6) {
+ static const int gain_data[] = { 0x106a, 0x106c, 0x1074,
+ 0x107c, 0x007e, 0x107e,
+ 0x207e, 0x307e, };
+
+ e->cliplo_gain = gain_data[tr_iso];
+ } else if (phy->rev == 5) {
+ static const int gain_data[] = { 0x0062, 0x0064, 0x006a,
+ 0x106a, 0x106c, 0x1074,
+ 0x107c, 0x207c, };
+
+ e->cliplo_gain = gain_data[tr_iso];
+ }
+
+ if (phy->rev >= 5 && ext_lna) {
e->rfseq_init[0] &= ~0x4000;
e->rfseq_init[1] &= ~0x4000;
e->rfseq_init[2] &= ~0x4000;
e->rfseq_init[3] &= ~0x4000;
e->init_gain &= ~0x4000;
}
- if (tr_iso > 7)
- tr_iso = 3;
- e->cliplo_gain = gain_data[tr_iso];
-
- } else if (ghz5 && dev->phy.rev == 4 && ext_lna) {
- e->rfseq_init[0] &= ~0x4000;
- e->rfseq_init[1] &= ~0x4000;
- e->rfseq_init[2] &= ~0x4000;
- e->rfseq_init[3] &= ~0x4000;
- e->init_gain &= ~0x4000;
- e->rfseq_init[0] |= 0x1000;
- e->rfseq_init[1] |= 0x1000;
- e->rfseq_init[2] |= 0x1000;
- e->rfseq_init[3] |= 0x1000;
- e->init_gain |= 0x1000;
+ } else {
+ if (phy->rev >= 6) {
+ if (phy->radio_rev == 11 && !b43_is_40mhz(dev))
+ e->crsminu = 0x2d;
+ } else if (phy->rev == 4 && ext_lna) {
+ e->rfseq_init[0] &= ~0x4000;
+ e->rfseq_init[1] &= ~0x4000;
+ e->rfseq_init[2] &= ~0x4000;
+ e->rfseq_init[3] &= ~0x4000;
+ e->init_gain &= ~0x4000;
+ e->rfseq_init[0] |= 0x1000;
+ e->rfseq_init[1] |= 0x1000;
+ e->rfseq_init[2] |= 0x1000;
+ e->rfseq_init[3] |= 0x1000;
+ e->init_gain |= 0x1000;
+ }
}

return e;
--
1.8.4.5