ath5k: Add RF2425 initvals

*Add RF2425 initvals (still no rx/tx)

This was on my laptop for a long time so it has to go out even if
it still doesn't work, i hope i'll get my hands on an eeepc so i can
work this out.

base.c
Changes-licensed-under: 3-clause-BSD

rest
Changes-licensed-under: ISC

Signed-off-by: Nick Kossifidis <mickflemm@gmail.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>

1 files changed, 118 insertions, 5 deletions

diff --git a/drivers/net/wireless/ath5k/phy.c b/drivers/net/wireless/ath5k/phy.c
index 890ecce8bedc..afd8689e5c03 100644
--- a/drivers/net/wireless/ath5k/phy.c
+++ b/drivers/net/wireless/ath5k/phy.c
@@ -669,6 +669,7 @@ static const struct ath5k_ini_rf rfregs_5413[] = {
 /* RF2413/2414 mode-specific init registers */
 static const struct ath5k_ini_rf rfregs_2413[] = {
         { 1, AR5K_RF_BUFFER_CONTROL_4,
+        /*         mode b      mode g     mode gTurbo */
                 { 0x00000020, 0x00000020, 0x00000020 } },
         { 2, AR5K_RF_BUFFER_CONTROL_3,
                 { 0x02001408, 0x02001408, 0x02001408 } },
@@ -736,6 +737,83 @@ static const struct ath5k_ini_rf rfregs_2413[] = {
                 { 0x0000000e, 0x0000000e, 0x0000000e } },
 };
 
+/* RF2425 mode-specific init registers */
+static const struct ath5k_ini_rf rfregs_2425[] = {
+        { 1, AR5K_RF_BUFFER_CONTROL_4,
+        /*         mode g     mode gTurbo */
+                { 0x00000020, 0x00000020 } },
+        { 2, AR5K_RF_BUFFER_CONTROL_3,
+                { 0x02001408, 0x02001408 } },
+        { 3, AR5K_RF_BUFFER_CONTROL_6,
+                { 0x00e020c0, 0x00e020c0 } },
+        { 6, AR5K_RF_BUFFER,
+                { 0x10000000, 0x10000000 } },
+        { 6, AR5K_RF_BUFFER,
+                { 0x00000000, 0x00000000 } },
+        { 6, AR5K_RF_BUFFER,
+                { 0x00000000, 0x00000000 } },
+        { 6, AR5K_RF_BUFFER,
+                { 0x00000000, 0x00000000 } },
+        { 6, AR5K_RF_BUFFER,
+                { 0x00000000, 0x00000000 } },
+        { 6, AR5K_RF_BUFFER,
+                { 0x00000000, 0x00000000 } },
+        { 6, AR5K_RF_BUFFER,
+                { 0x00000000, 0x00000000 } },
+        { 6, AR5K_RF_BUFFER,
+                { 0x00000000, 0x00000000 } },
+        { 6, AR5K_RF_BUFFER,
+                { 0x00000000, 0x00000000 } },
+        { 6, AR5K_RF_BUFFER,
+                { 0x00000000, 0x00000000 } },
+        { 6, AR5K_RF_BUFFER,
+                { 0x00000000, 0x00000000 } },
+        { 6, AR5K_RF_BUFFER,
+                { 0x002a0000, 0x002a0000 } },
+        { 6, AR5K_RF_BUFFER,
+                { 0x00000000, 0x00000000 } },
+        { 6, AR5K_RF_BUFFER,
+                { 0x00000000, 0x00000000 } },
+        { 6, AR5K_RF_BUFFER,
+                { 0x00100000, 0x00100000 } },
+        { 6, AR5K_RF_BUFFER,
+                { 0x00020000, 0x00020000 } },
+        { 6, AR5K_RF_BUFFER,
+                { 0x00730000, 0x00730000 } },
+        { 6, AR5K_RF_BUFFER,
+                { 0x00f80000, 0x00f80000 } },
+        { 6, AR5K_RF_BUFFER,
+                { 0x00e70000, 0x00e70000 } },
+        { 6, AR5K_RF_BUFFER,
+                { 0x00140000, 0x00140000 } },
+        { 6, AR5K_RF_BUFFER,
+                { 0x00910040, 0x00910040 } },
+        { 6, AR5K_RF_BUFFER,
+                { 0x0007001a, 0x0007001a } },
+        { 6, AR5K_RF_BUFFER,
+                { 0x00410000, 0x00410000 } },
+        { 6, AR5K_RF_BUFFER,
+                { 0x00810060, 0x00810060 } },
+        { 6, AR5K_RF_BUFFER,
+                { 0x00020803, 0x00020803 } },
+        { 6, AR5K_RF_BUFFER,
+                { 0x00000000, 0x00000000 } },
+        { 6, AR5K_RF_BUFFER,
+                { 0x00000000, 0x00000000 } },
+        { 6, AR5K_RF_BUFFER,
+                { 0x00001660, 0x00001660 } },
+        { 6, AR5K_RF_BUFFER,
+                { 0x00001688, 0x00001688 } },
+        { 6, AR5K_RF_BUFFER_CONTROL_1,
+                { 0x00000001, 0x00000001 } },
+        { 7, AR5K_RF_BUFFER,
+                { 0x00006400, 0x00006400 } },
+        { 7, AR5K_RF_BUFFER,
+                { 0x00000800, 0x00000800 } },
+        { 7, AR5K_RF_BUFFER_CONTROL_2,
+                { 0x0000000e, 0x0000000e } },
+};
+
 /* Initial RF Gain settings for RF5112 */
 static const struct ath5k_ini_rfgain rfgain_5112[] = {
         /*                            5Ghz      2Ghz    */
@@ -1348,7 +1426,8 @@ static int ath5k_hw_rf5112_rfregs(struct ath5k_hw *ah,
 }
 
 /*
- * Initialize RF5413/5414
+ * Initialize RF5413/5414 and future chips
+ * (until we come up with a better solution)
  */
 static int ath5k_hw_rf5413_rfregs(struct ath5k_hw *ah,
                 struct ieee80211_channel *channel, unsigned int mode)
@@ -1362,19 +1441,41 @@ static int ath5k_hw_rf5413_rfregs(struct ath5k_hw *ah,
 
         rf = ah->ah_rf_banks;
 
-        if (ah->ah_radio == AR5K_RF5413) {
+        switch (ah->ah_radio) {
+        case AR5K_RF5413:
                 rf_ini = rfregs_5413;
                 rf_size = ARRAY_SIZE(rfregs_5413);
-        } else if (ah->ah_radio == AR5K_RF2413) {
+                break;
+        case AR5K_RF2413:
                 rf_ini = rfregs_2413;
                 rf_size = ARRAY_SIZE(rfregs_2413);
+
                 if (mode < 2) {
                         ATH5K_ERR(ah->ah_sc,
                                 "invalid channel mode: %i\n", mode);
                         return -EINVAL;
                 }
+
                 mode = mode - 2;
-        } else {
+                break;
+        case AR5K_RF2425:
+                rf_ini = rfregs_2425;
+                rf_size = ARRAY_SIZE(rfregs_2425);
+
+                if (mode < 2) {
+                        ATH5K_ERR(ah->ah_sc,
+                                "invalid channel mode: %i\n", mode);
+                        return -EINVAL;
+                }
+
+                /* Map b to g */
+                if (mode == 2)
+                        mode = 0;
+                else
+                        mode = mode - 3;
+
+                break;
+        default:
                 return -EINVAL;
         }
 
@@ -1439,6 +1540,10 @@ int ath5k_hw_rfregs(struct ath5k_hw *ah, struct ieee80211_channel *channel,
                 ah->ah_rf_banks_size = sizeof(rfregs_2413);
                 func = ath5k_hw_rf5413_rfregs;
                 break;
+        case AR5K_RF2425:
+                ah->ah_rf_banks_size = sizeof(rfregs_2425);
+                func = ath5k_hw_rf5413_rfregs;
+                break;
         default:
                 return -EINVAL;
         }
@@ -1482,6 +1587,11 @@ int ath5k_hw_rfgain(struct ath5k_hw *ah, unsigned int freq)
                 size = ARRAY_SIZE(rfgain_2413);
                 freq = 0; /* only 2Ghz */
                 break;
+        case AR5K_RF2425:
+                ath5k_rfg = rfgain_2413;
+                size = ARRAY_SIZE(rfgain_2413);
+                freq = 0; /* only 2Ghz */
+                break;
         default:
                 return -EINVAL;
         }
@@ -2181,8 +2291,11 @@ ath5k_hw_txpower(struct ath5k_hw *ah, struct ieee80211_channel *channel,
          * transmit anything if we call
          * this funtion, so we skip it
          * until we fix txpower.
+         *
+         * XXX: Assume same for RF2425
+         * to be safe.
          */
-        if (ah->ah_radio == AR5K_RF2413)
+        if ((ah->ah_radio == AR5K_RF2413) || (ah->ah_radio == AR5K_RF2425))
                 return 0;
 
         /* Reset TX power values */