b43: N-PHY: prepare for rev 7+ RSSI calibration

Mostly just add place for future code

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

diff --git a/drivers/net/wireless/b43/phy_n.c b/drivers/net/wireless/b43/phy_n.c
index 0d4067e..291b38c 100644 (file)
--- a/drivers/net/wireless/b43/phy_n.c
+++ b/drivers/net/wireless/b43/phy_n.c
@@ -1660,8 +1660,8 @@ static void b43_nphy_rev3_rssi_cal(struct b43_wldev *dev)
        struct b43_phy_n *nphy = dev->phy.n;
 
        u16 saved_regs_phy_rfctl[2];
-       u16 saved_regs_phy[13];
-       u16 regs_to_store[] = {
+       u16 saved_regs_phy[22];
+       u16 regs_to_store_rev3[] = {
                B43_NPHY_AFECTL_OVER1, B43_NPHY_AFECTL_OVER,
                B43_NPHY_AFECTL_C1, B43_NPHY_AFECTL_C2,
                B43_NPHY_TXF_40CO_B1S1, B43_NPHY_RFCTL_OVER,
@@ -1670,6 +1670,20 @@ static void b43_nphy_rev3_rssi_cal(struct b43_wldev *dev)
                B43_NPHY_RFCTL_LUT_TRSW_UP1, B43_NPHY_RFCTL_LUT_TRSW_UP2,
                B43_NPHY_RFCTL_RSSIO1, B43_NPHY_RFCTL_RSSIO2
        };
+       u16 regs_to_store_rev7[] = {
+               B43_NPHY_AFECTL_OVER1, B43_NPHY_AFECTL_OVER,
+               B43_NPHY_AFECTL_C1, B43_NPHY_AFECTL_C2,
+               B43_NPHY_TXF_40CO_B1S1, B43_NPHY_RFCTL_OVER,
+               0x342, 0x343, 0x346, 0x347,
+               0x2ff,
+               B43_NPHY_TXF_40CO_B1S0, B43_NPHY_TXF_40CO_B32S1,
+               B43_NPHY_RFCTL_CMD,
+               B43_NPHY_RFCTL_LUT_TRSW_UP1, B43_NPHY_RFCTL_LUT_TRSW_UP2,
+               0x340, 0x341, 0x344, 0x345,
+               B43_NPHY_RFCTL_RSSIO1, B43_NPHY_RFCTL_RSSIO2
+       };
+       u16 *regs_to_store;
+       int regs_amount;
 
        u16 class;
 
@@ -1689,6 +1703,15 @@ static void b43_nphy_rev3_rssi_cal(struct b43_wldev *dev)
        u8 rx_core_state;
        int core, i, j, vcm;
 
+       if (dev->phy.rev >= 7) {
+               regs_to_store = regs_to_store_rev7;
+               regs_amount = ARRAY_SIZE(regs_to_store_rev7);
+       } else {
+               regs_to_store = regs_to_store_rev3;
+               regs_amount = ARRAY_SIZE(regs_to_store_rev3);
+       }
+       BUG_ON(regs_amount > ARRAY_SIZE(saved_regs_phy));
+
        class = b43_nphy_classifier(dev, 0, 0);
        b43_nphy_classifier(dev, 7, 4);
        b43_nphy_read_clip_detection(dev, clip_state);
@@ -1696,22 +1719,29 @@ static void b43_nphy_rev3_rssi_cal(struct b43_wldev *dev)
 
        saved_regs_phy_rfctl[0] = b43_phy_read(dev, B43_NPHY_RFCTL_INTC1);
        saved_regs_phy_rfctl[1] = b43_phy_read(dev, B43_NPHY_RFCTL_INTC2);
-       for (i = 0; i < ARRAY_SIZE(regs_to_store); i++)
+       for (i = 0; i < regs_amount; i++)
                saved_regs_phy[i] = b43_phy_read(dev, regs_to_store[i]);
 
        b43_nphy_rf_ctl_intc_override(dev, N_INTC_OVERRIDE_OFF, 0, 7);
        b43_nphy_rf_ctl_intc_override(dev, N_INTC_OVERRIDE_TRSW, 1, 7);
-       b43_nphy_rf_ctl_override(dev, 0x1, 0, 0, false);
-       b43_nphy_rf_ctl_override(dev, 0x2, 1, 0, false);
-       b43_nphy_rf_ctl_override(dev, 0x80, 1, 0, false);
-       b43_nphy_rf_ctl_override(dev, 0x40, 1, 0, false);
-
-       if (b43_current_band(dev->wl) == IEEE80211_BAND_5GHZ) {
-               b43_nphy_rf_ctl_override(dev, 0x20, 0, 0, false);
-               b43_nphy_rf_ctl_override(dev, 0x10, 1, 0, false);
+
+       if (dev->phy.rev >= 7) {
+               /* TODO */
+               if (b43_current_band(dev->wl) == IEEE80211_BAND_5GHZ) {
+               } else {
+               }
        } else {
-               b43_nphy_rf_ctl_override(dev, 0x10, 0, 0, false);
-               b43_nphy_rf_ctl_override(dev, 0x20, 1, 0, false);
+               b43_nphy_rf_ctl_override(dev, 0x1, 0, 0, false);
+               b43_nphy_rf_ctl_override(dev, 0x2, 1, 0, false);
+               b43_nphy_rf_ctl_override(dev, 0x80, 1, 0, false);
+               b43_nphy_rf_ctl_override(dev, 0x40, 1, 0, false);
+               if (b43_current_band(dev->wl) == IEEE80211_BAND_5GHZ) {
+                       b43_nphy_rf_ctl_override(dev, 0x20, 0, 0, false);
+                       b43_nphy_rf_ctl_override(dev, 0x10, 1, 0, false);
+               } else {
+                       b43_nphy_rf_ctl_override(dev, 0x10, 0, 0, false);
+                       b43_nphy_rf_ctl_override(dev, 0x20, 1, 0, false);
+               }
        }
 
        rx_core_state = b43_nphy_get_rx_core_state(dev);
@@ -1726,8 +1756,11 @@ static void b43_nphy_rev3_rssi_cal(struct b43_wldev *dev)
 
                /* Grab RSSI results for every possible VCM */
                for (vcm = 0; vcm < 8; vcm++) {
-                       b43_radio_maskset(dev, r | B2056_RX_RSSI_MISC, 0xE3,
-                                       vcm << 2);
+                       if (dev->phy.rev >= 7)
+                               ;
+                       else
+                               b43_radio_maskset(dev, r | B2056_RX_RSSI_MISC,
+                                                 0xE3, vcm << 2);
                        b43_nphy_poll_rssi(dev, N_RSSI_NB, results[vcm], 8);
                }
 
@@ -1754,8 +1787,11 @@ static void b43_nphy_rev3_rssi_cal(struct b43_wldev *dev)
                }
 
                /* Select the best VCM */
-               b43_radio_maskset(dev, r | B2056_RX_RSSI_MISC, 0xE3,
-                                 vcm_final << 2);
+               if (dev->phy.rev >= 7)
+                       ;
+               else
+                       b43_radio_maskset(dev, r | B2056_RX_RSSI_MISC,
+                                         0xE3, vcm_final << 2);
 
                for (i = 0; i < 4; i++) {
                        if (core != i / 2)
@@ -1810,7 +1846,7 @@ static void b43_nphy_rev3_rssi_cal(struct b43_wldev *dev)
        b43_phy_set(dev, B43_NPHY_RFCTL_CMD, B43_NPHY_RFCTL_CMD_RXTX);
        b43_phy_mask(dev, B43_NPHY_RFCTL_OVER, ~0x1);
 
-       for (i = 0; i < ARRAY_SIZE(regs_to_store); i++)
+       for (i = 0; i < regs_amount; i++)
                b43_phy_write(dev, regs_to_store[i], saved_regs_phy[i]);
 
        /* Store for future configuration */