b43: N-PHY: add setting power amplifier filters

Signed-off-by: Rafał Miłecki <zajec5@gmail.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>

3 files changed, 64 insertions, 2 deletions

diff --git a/drivers/net/wireless/b43/phy_n.c b/drivers/net/wireless/b43/phy_n.c
index f5900f04ff5..97a44e43d05 100644
--- a/drivers/net/wireless/b43/phy_n.c
+++ b/drivers/net/wireless/b43/phy_n.c
@@ -1628,6 +1628,43 @@ static void b43_nphy_update_tx_cal_ladder(struct b43_wldev *dev, u16 core)
         }
 }
 
+/* http://bcm-v4.sipsolutions.net/802.11/PHY/N/ExtPaSetTxDigiFilts */
+static void b43_nphy_ext_pa_set_tx_dig_filters(struct b43_wldev *dev)
+{
+        int i;
+        for (i = 0; i < 15; i++)
+                b43_phy_write(dev, B43_PHY_N(0x2C5 + i),
+                                tbl_tx_filter_coef_rev4[2][i]);
+}
+
+/* http://bcm-v4.sipsolutions.net/802.11/PHY/N/IpaSetTxDigiFilts */
+static void b43_nphy_int_pa_set_tx_dig_filters(struct b43_wldev *dev)
+{
+        int i, j;
+        /* B43_NPHY_TXF_20CO_S0A1, B43_NPHY_TXF_40CO_S0A1, unknown */
+        u16 offset[] = { 0x186, 0x195, 0x2C5 };
+
+        for (i = 0; i < 3; i++)
+                for (j = 0; j < 15; j++)
+                        b43_phy_write(dev, B43_PHY_N(offset[i] + j),
+                                        tbl_tx_filter_coef_rev4[i][j]);
+
+        if (dev->phy.is_40mhz) {
+                for (j = 0; j < 15; j++)
+                        b43_phy_write(dev, B43_PHY_N(offset[0] + j),
+                                        tbl_tx_filter_coef_rev4[3][j]);
+        } else if (b43_current_band(dev->wl) == IEEE80211_BAND_5GHZ) {
+                for (j = 0; j < 15; j++)
+                        b43_phy_write(dev, B43_PHY_N(offset[0] + j),
+                                        tbl_tx_filter_coef_rev4[5][j]);
+        }
+
+        if (dev->phy.channel == 14)
+                for (j = 0; j < 15; j++)
+                        b43_phy_write(dev, B43_PHY_N(offset[0] + j),
+                                        tbl_tx_filter_coef_rev4[6][j]);
+}
+
 /* http://bcm-v4.sipsolutions.net/802.11/PHY/N/GetTxGain */
 static struct nphy_txgains b43_nphy_get_tx_gains(struct b43_wldev *dev)
 {
@@ -2371,9 +2408,9 @@ int b43_phy_initn(struct b43_wldev *dev)
                 b43_phy_set(dev, B43_NPHY_PAPD_EN1, 0x1);
                 b43_phy_maskset(dev, B43_NPHY_EPS_TABLE_ADJ1, 0x007F,
                                 nphy->papd_epsilon_offset[1] << 7);
-                /* TODO N PHY IPA Set TX Dig Filters */
+                b43_nphy_int_pa_set_tx_dig_filters(dev);
         } else if (phy->rev >= 5) {
-                /* TODO N PHY Ext PA Set TX Dig Filters */
+                b43_nphy_ext_pa_set_tx_dig_filters(dev);
         }
 
         b43_nphy_workarounds(dev);
diff --git a/drivers/net/wireless/b43/tables_nphy.c b/drivers/net/wireless/b43/tables_nphy.c
index dd9687d611d..a00d509150f 100644
--- a/drivers/net/wireless/b43/tables_nphy.c
+++ b/drivers/net/wireless/b43/tables_nphy.c
@@ -2883,6 +2883,30 @@ const u16 tbl_tx_iqlo_cal_cmds_fullcal_nphyrev3[] = {
         0x9084, 0x9267, 0x9056, 0x9234
 };
 
+const s16 tbl_tx_filter_coef_rev4[7][15] = {
+        {  -377,   137,  -407,   208, -1527,
+            956,    93,   186,    93,   230,
+            -44,   230,    20,  -191,   201 },
+        {   -77,    20,   -98,    49,   -93,
+             60,    56,   111,    56,    26,
+             -5,    26,    34,   -32,    34 },
+        {  -360,   164,  -376,   164, -1533,
+            576,   308,  -314,   308,   121,
+            -73,   121,    91,   124,    91 },
+        {  -295,   200,  -363,   142, -1391,
+            826,   151,   301,   151,   151,
+            301,   151,   602,  -752,   602 },
+        {   -92,    58,   -96,    49,  -104,
+             44,    17,    35,    17,    12,
+             25,    12,    13,    27,    13 },
+        {  -375,   136,  -399,   209, -1479,
+            949,   130,   260,   130,   230,
+            -44,   230,   201,  -191,   201 },
+        { 0xed9,  0xc8, 0xe95,  0x8e, 0xa91,
+          0x33a,  0x97, 0x12d,  0x97,  0x97,
+          0x12d,  0x97, 0x25a, 0xd10, 0x25a }
+};
+
 /* addr0,  addr1,  bmask,  shift */
 const struct nphy_rf_control_override_rev2 tbl_rf_control_override_rev2[] = {
         { 0x78, 0x78, 0x0038,  3 }, /* for field == 0x0002 (fls == 2) */
diff --git a/drivers/net/wireless/b43/tables_nphy.h b/drivers/net/wireless/b43/tables_nphy.h
index 5d38172a152..9c1c6ecd367 100644
--- a/drivers/net/wireless/b43/tables_nphy.h
+++ b/drivers/net/wireless/b43/tables_nphy.h
@@ -193,6 +193,7 @@ extern const u16 tbl_tx_iqlo_cal_cmds_recal_nphyrev3[];
 extern const u16 tbl_tx_iqlo_cal_cmds_recal[];
 extern const u16 tbl_tx_iqlo_cal_cmds_fullcal[];
 extern const u16 tbl_tx_iqlo_cal_cmds_fullcal_nphyrev3[];
+extern const s16 tbl_tx_filter_coef_rev4[7][15];
 
 extern const struct nphy_rf_control_override_rev2
         tbl_rf_control_override_rev2[];