[PATCH 3/3] b43: LCN-PHY: load TX gain table on init
Rafał Miłecki
zajec5 at gmail.com
Sat Sep 3 15:01:03 EDT 2011
Values and ops were taken from MMIO dump of wl. struct was copied from
brcmsmac.
Signed-off-by: Rafał Miłecki <zajec5 at gmail.com>
---
drivers/net/wireless/b43/tables_phy_lcn.c | 195 ++++++++++++++++++++++++++++-
1 files changed, 192 insertions(+), 3 deletions(-)
diff --git a/drivers/net/wireless/b43/tables_phy_lcn.c b/drivers/net/wireless/b43/tables_phy_lcn.c
index 1682ba0..a2dd72e 100644
--- a/drivers/net/wireless/b43/tables_phy_lcn.c
+++ b/drivers/net/wireless/b43/tables_phy_lcn.c
@@ -27,6 +27,18 @@
#include "phy_common.h"
#include "phy_lcn.h"
+struct b43_lcntab_tx_gain_tbl_entry {
+ u8 gm;
+ u8 pga;
+ u8 pad;
+ u8 dac;
+ u8 bb_mult;
+};
+
+/**************************************************
+ * Static tables.
+ **************************************************/
+
static const u16 b43_lcntab_0x02[] = {
0x014d, 0x014d, 0x014d, 0x014d, 0x014d, 0x014d,
0x014d, 0x014d, 0x014d, 0x014d, 0x014d, 0x014d,
@@ -297,6 +309,146 @@ static const u32 b43_lcntab_0x18[] = {
0x00080000, 0x00080000, 0x00080000, 0x00080000,
};
+/**************************************************
+ * TX gain.
+ **************************************************/
+
+const struct b43_lcntab_tx_gain_tbl_entry
+ b43_lcntab_tx_gain_tbl_2ghz_ext_pa_rev0[] = {
+ { 0x03, 0x00, 0x1f, 0x0, 0x48 },
+ { 0x03, 0x00, 0x1f, 0x0, 0x46 },
+ { 0x03, 0x00, 0x1f, 0x0, 0x44 },
+ { 0x03, 0x00, 0x1e, 0x0, 0x43 },
+ { 0x03, 0x00, 0x1d, 0x0, 0x44 },
+ { 0x03, 0x00, 0x1c, 0x0, 0x44 },
+ { 0x03, 0x00, 0x1b, 0x0, 0x45 },
+ { 0x03, 0x00, 0x1a, 0x0, 0x46 },
+ { 0x03, 0x00, 0x19, 0x0, 0x46 },
+ { 0x03, 0x00, 0x18, 0x0, 0x47 },
+ { 0x03, 0x00, 0x17, 0x0, 0x48 },
+ { 0x03, 0x00, 0x17, 0x0, 0x46 },
+ { 0x03, 0x00, 0x16, 0x0, 0x47 },
+ { 0x03, 0x00, 0x15, 0x0, 0x48 },
+ { 0x03, 0x00, 0x15, 0x0, 0x46 },
+ { 0x03, 0x00, 0x15, 0x0, 0x44 },
+ { 0x03, 0x00, 0x15, 0x0, 0x42 },
+ { 0x03, 0x00, 0x15, 0x0, 0x40 },
+ { 0x03, 0x00, 0x15, 0x0, 0x3f },
+ { 0x03, 0x00, 0x14, 0x0, 0x40 },
+ { 0x03, 0x00, 0x13, 0x0, 0x41 },
+ { 0x03, 0x00, 0x13, 0x0, 0x40 },
+ { 0x03, 0x00, 0x12, 0x0, 0x41 },
+ { 0x03, 0x00, 0x12, 0x0, 0x40 },
+ { 0x03, 0x00, 0x11, 0x0, 0x41 },
+ { 0x03, 0x00, 0x11, 0x0, 0x40 },
+ { 0x03, 0x00, 0x10, 0x0, 0x41 },
+ { 0x03, 0x00, 0x10, 0x0, 0x40 },
+ { 0x03, 0x00, 0x10, 0x0, 0x3e },
+ { 0x03, 0x00, 0x10, 0x0, 0x3c },
+ { 0x03, 0x00, 0x10, 0x0, 0x3a },
+ { 0x03, 0x00, 0x0f, 0x0, 0x3d },
+ { 0x03, 0x00, 0x0f, 0x0, 0x3b },
+ { 0x03, 0x00, 0x0e, 0x0, 0x3d },
+ { 0x03, 0x00, 0x0e, 0x0, 0x3c },
+ { 0x03, 0x00, 0x0e, 0x0, 0x3a },
+ { 0x03, 0x00, 0x0d, 0x0, 0x3c },
+ { 0x03, 0x00, 0x0d, 0x0, 0x3b },
+ { 0x03, 0x00, 0x0c, 0x0, 0x3e },
+ { 0x03, 0x00, 0x0c, 0x0, 0x3c },
+ { 0x03, 0x00, 0x0c, 0x0, 0x3a },
+ { 0x03, 0x00, 0x0b, 0x0, 0x3e },
+ { 0x03, 0x00, 0x0b, 0x0, 0x3c },
+ { 0x03, 0x00, 0x0b, 0x0, 0x3b },
+ { 0x03, 0x00, 0x0b, 0x0, 0x39 },
+ { 0x03, 0x00, 0x0a, 0x0, 0x3d },
+ { 0x03, 0x00, 0x0a, 0x0, 0x3b },
+ { 0x03, 0x00, 0x0a, 0x0, 0x39 },
+ { 0x03, 0x00, 0x09, 0x0, 0x3e },
+ { 0x03, 0x00, 0x09, 0x0, 0x3c },
+ { 0x03, 0x00, 0x09, 0x0, 0x3a },
+ { 0x03, 0x00, 0x09, 0x0, 0x39 },
+ { 0x03, 0x00, 0x08, 0x0, 0x3e },
+ { 0x03, 0x00, 0x08, 0x0, 0x3c },
+ { 0x03, 0x00, 0x08, 0x0, 0x3a },
+ { 0x03, 0x00, 0x08, 0x0, 0x39 },
+ { 0x03, 0x00, 0x08, 0x0, 0x37 },
+ { 0x03, 0x00, 0x07, 0x0, 0x3d },
+ { 0x03, 0x00, 0x07, 0x0, 0x3c },
+ { 0x03, 0x00, 0x07, 0x0, 0x3a },
+ { 0x03, 0x00, 0x07, 0x0, 0x38 },
+ { 0x03, 0x00, 0x07, 0x0, 0x37 },
+ { 0x03, 0x00, 0x06, 0x0, 0x3e },
+ { 0x03, 0x00, 0x06, 0x0, 0x3c },
+ { 0x03, 0x00, 0x06, 0x0, 0x3a },
+ { 0x03, 0x00, 0x06, 0x0, 0x39 },
+ { 0x03, 0x00, 0x06, 0x0, 0x37 },
+ { 0x03, 0x00, 0x06, 0x0, 0x36 },
+ { 0x03, 0x00, 0x06, 0x0, 0x34 },
+ { 0x03, 0x00, 0x05, 0x0, 0x3d },
+ { 0x03, 0x00, 0x05, 0x0, 0x3b },
+ { 0x03, 0x00, 0x05, 0x0, 0x39 },
+ { 0x03, 0x00, 0x05, 0x0, 0x38 },
+ { 0x03, 0x00, 0x05, 0x0, 0x36 },
+ { 0x03, 0x00, 0x05, 0x0, 0x35 },
+ { 0x03, 0x00, 0x05, 0x0, 0x33 },
+ { 0x03, 0x00, 0x04, 0x0, 0x3e },
+ { 0x03, 0x00, 0x04, 0x0, 0x3c },
+ { 0x03, 0x00, 0x04, 0x0, 0x3a },
+ { 0x03, 0x00, 0x04, 0x0, 0x39 },
+ { 0x03, 0x00, 0x04, 0x0, 0x37 },
+ { 0x03, 0x00, 0x04, 0x0, 0x36 },
+ { 0x03, 0x00, 0x04, 0x0, 0x34 },
+ { 0x03, 0x00, 0x04, 0x0, 0x33 },
+ { 0x03, 0x00, 0x04, 0x0, 0x31 },
+ { 0x03, 0x00, 0x04, 0x0, 0x30 },
+ { 0x03, 0x00, 0x04, 0x0, 0x2e },
+ { 0x03, 0x00, 0x03, 0x0, 0x3c },
+ { 0x03, 0x00, 0x03, 0x0, 0x3a },
+ { 0x03, 0x00, 0x03, 0x0, 0x39 },
+ { 0x03, 0x00, 0x03, 0x0, 0x37 },
+ { 0x03, 0x00, 0x03, 0x0, 0x36 },
+ { 0x03, 0x00, 0x03, 0x0, 0x34 },
+ { 0x03, 0x00, 0x03, 0x0, 0x33 },
+ { 0x03, 0x00, 0x03, 0x0, 0x31 },
+ { 0x03, 0x00, 0x03, 0x0, 0x30 },
+ { 0x03, 0x00, 0x03, 0x0, 0x2e },
+ { 0x03, 0x00, 0x03, 0x0, 0x2d },
+ { 0x03, 0x00, 0x03, 0x0, 0x2c },
+ { 0x03, 0x00, 0x03, 0x0, 0x2b },
+ { 0x03, 0x00, 0x03, 0x0, 0x29 },
+ { 0x03, 0x00, 0x02, 0x0, 0x3d },
+ { 0x03, 0x00, 0x02, 0x0, 0x3b },
+ { 0x03, 0x00, 0x02, 0x0, 0x39 },
+ { 0x03, 0x00, 0x02, 0x0, 0x38 },
+ { 0x03, 0x00, 0x02, 0x0, 0x36 },
+ { 0x03, 0x00, 0x02, 0x0, 0x35 },
+ { 0x03, 0x00, 0x02, 0x0, 0x33 },
+ { 0x03, 0x00, 0x02, 0x0, 0x32 },
+ { 0x03, 0x00, 0x02, 0x0, 0x30 },
+ { 0x03, 0x00, 0x02, 0x0, 0x2f },
+ { 0x03, 0x00, 0x02, 0x0, 0x2e },
+ { 0x03, 0x00, 0x02, 0x0, 0x2c },
+ { 0x03, 0x00, 0x02, 0x0, 0x2b },
+ { 0x03, 0x00, 0x02, 0x0, 0x2a },
+ { 0x03, 0x00, 0x02, 0x0, 0x29 },
+ { 0x03, 0x00, 0x02, 0x0, 0x27 },
+ { 0x03, 0x00, 0x02, 0x0, 0x26 },
+ { 0x03, 0x00, 0x02, 0x0, 0x25 },
+ { 0x03, 0x00, 0x02, 0x0, 0x24 },
+ { 0x03, 0x00, 0x02, 0x0, 0x23 },
+ { 0x03, 0x00, 0x02, 0x0, 0x22 },
+ { 0x03, 0x00, 0x02, 0x0, 0x21 },
+ { 0x03, 0x00, 0x02, 0x0, 0x20 },
+ { 0x03, 0x00, 0x01, 0x0, 0x3f },
+ { 0x03, 0x00, 0x01, 0x0, 0x3d },
+ { 0x03, 0x00, 0x01, 0x0, 0x3b },
+ { 0x03, 0x00, 0x01, 0x0, 0x39 },
+};
+
+/**************************************************
+ * SW control.
+ **************************************************/
+
const u16 b43_lcntab_sw_ctl_4313_epa_rev0[] = {
0x0002, 0x0008, 0x0004, 0x0001, 0x0002, 0x0008,
0x0004, 0x0001, 0x0002, 0x0008, 0x0004, 0x0001,
@@ -479,6 +631,32 @@ static void b43_phy_lcn_upload_static_tables(struct b43_wldev *dev)
lcntab_upload(dev, B43_LCNTAB32(0x18, 0), b43_lcntab_0x18);
}
+void b43_phy_lcn_load_tx_gain_tab(struct b43_wldev *dev,
+ const struct b43_lcntab_tx_gain_tbl_entry *gain_table)
+{
+ u32 i;
+ u32 val;
+
+ u16 pa_gain = 0x70;
+ if (dev->dev->bus_sprom->boardflags_lo & B43_BFL_FEM)
+ pa_gain = 0x10;
+
+ for (i = 0; i < 128; i++) {
+ val = ((pa_gain << 24) |
+ (gain_table[i].pad << 16) |
+ (gain_table[i].pga << 8) |
+ gain_table[i].gm);
+ b43_lcntab_write(dev, B43_LCNTAB32(0x7, 0xc0 + i), val);
+
+ /* brcmsmac doesn't maskset, we follow newer wl here */
+ val = b43_lcntab_read(dev, B43_LCNTAB32(0x7, 0x140 + i));
+ val &= 0x000fffff;
+ val |= ((gain_table[i].dac << 28) |
+ (gain_table[i].bb_mult << 20));
+ b43_lcntab_write(dev, B43_LCNTAB32(0x7, 0x140 + i), val);
+ }
+}
+
/* Not implemented in brcmsmac, noticed in wl in MMIO dump */
static void b43_phy_lcn_rewrite_tables(struct b43_wldev *dev)
{
@@ -499,13 +677,24 @@ static void b43_phy_lcn_clean_papd_comp_table(struct b43_wldev *dev)
b43_lcntab_write(dev, B43_LCNTAB32(0x18, i), 0x80000);
}
+/* wlc_lcnphy_tbl_init */
void b43_phy_lcn_tables_init(struct b43_wldev *dev)
{
+ struct ssb_sprom *sprom = dev->dev->bus_sprom;
+
b43_phy_lcn_upload_static_tables(dev);
- /* TODO: various tables ops here */
- if (dev->dev->bus_sprom->boardflags_lo & B43_BFL_FEM &&
- !(dev->dev->bus_sprom->boardflags_hi & B43_BFH_FEM_BT))
+ if (b43_current_band(dev->wl) == IEEE80211_BAND_2GHZ) {
+ if (sprom->boardflags_lo & B43_BFL_EXTLNA)
+ b43_phy_lcn_load_tx_gain_tab(dev,
+ b43_lcntab_tx_gain_tbl_2ghz_ext_pa_rev0);
+ else
+ b43err(dev->wl,
+ "TX gain table unknown for this card\n");
+ }
+
+ if (sprom->boardflags_lo & B43_BFL_FEM &&
+ !(sprom->boardflags_hi & B43_BFH_FEM_BT))
b43_lcntab_write_bulk(dev, B43_LCNTAB16(0xf, 0),
ARRAY_SIZE(b43_lcntab_sw_ctl_4313_epa_rev0),
b43_lcntab_sw_ctl_4313_epa_rev0);
--
1.7.3.4
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