p54: 802.11a 5GHz phy support

This patch brings the 5GHz Phy in any prism54 devices (of course, only those who have one) to life.

Signed-off-by: Christian Lamparter <chunkeey@web.de>
Signed-off-by: John W. Linville <linville@tuxdriver.com>

2 files changed, 111 insertions, 20 deletions

diff --git a/drivers/net/wireless/p54/p54common.c b/drivers/net/wireless/p54/p54common.c
index 7ec695ca9ea4..da51786254dc 100644
--- a/drivers/net/wireless/p54/p54common.c
+++ b/drivers/net/wireless/p54/p54common.c
@@ -27,7 +27,7 @@ MODULE_DESCRIPTION("Softmac Prism54 common code");
 MODULE_LICENSE("GPL");
 MODULE_ALIAS("prism54common");
 
-static struct ieee80211_rate p54_rates[] = {
+static struct ieee80211_rate p54_bgrates[] = {
         { .bitrate = 10, .hw_value = 0, .flags = IEEE80211_RATE_SHORT_PREAMBLE },
         { .bitrate = 20, .hw_value = 1, .flags = IEEE80211_RATE_SHORT_PREAMBLE },
         { .bitrate = 55, .hw_value = 2, .flags = IEEE80211_RATE_SHORT_PREAMBLE },
@@ -42,7 +42,7 @@ static struct ieee80211_rate p54_rates[] = {
         { .bitrate = 540, .hw_value = 11, },
 };
 
-static struct ieee80211_channel p54_channels[] = {
+static struct ieee80211_channel p54_bgchannels[] = {
         { .center_freq = 2412, .hw_value = 1, },
         { .center_freq = 2417, .hw_value = 2, },
         { .center_freq = 2422, .hw_value = 3, },
@@ -60,10 +60,66 @@ static struct ieee80211_channel p54_channels[] = {
 };
 
 static struct ieee80211_supported_band band_2GHz = {
-        .channels = p54_channels,
-        .n_channels = ARRAY_SIZE(p54_channels),
-        .bitrates = p54_rates,
-        .n_bitrates = ARRAY_SIZE(p54_rates),
+        .channels = p54_bgchannels,
+        .n_channels = ARRAY_SIZE(p54_bgchannels),
+        .bitrates = p54_bgrates,
+        .n_bitrates = ARRAY_SIZE(p54_bgrates),
+};
+
+static struct ieee80211_rate p54_arates[] = {
+        { .bitrate = 60, .hw_value = 4, },
+        { .bitrate = 90, .hw_value = 5, },
+        { .bitrate = 120, .hw_value = 6, },
+        { .bitrate = 180, .hw_value = 7, },
+        { .bitrate = 240, .hw_value = 8, },
+        { .bitrate = 360, .hw_value = 9, },
+        { .bitrate = 480, .hw_value = 10, },
+        { .bitrate = 540, .hw_value = 11, },
+};
+
+static struct ieee80211_channel p54_achannels[] = {
+        { .center_freq = 4920 },
+        { .center_freq = 4940 },
+        { .center_freq = 4960 },
+        { .center_freq = 4980 },
+        { .center_freq = 5040 },
+        { .center_freq = 5060 },
+        { .center_freq = 5080 },
+        { .center_freq = 5170 },
+        { .center_freq = 5180 },
+        { .center_freq = 5190 },
+        { .center_freq = 5200 },
+        { .center_freq = 5210 },
+        { .center_freq = 5220 },
+        { .center_freq = 5230 },
+        { .center_freq = 5240 },
+        { .center_freq = 5260 },
+        { .center_freq = 5280 },
+        { .center_freq = 5300 },
+        { .center_freq = 5320 },
+        { .center_freq = 5500 },
+        { .center_freq = 5520 },
+        { .center_freq = 5540 },
+        { .center_freq = 5560 },
+        { .center_freq = 5580 },
+        { .center_freq = 5600 },
+        { .center_freq = 5620 },
+        { .center_freq = 5640 },
+        { .center_freq = 5660 },
+        { .center_freq = 5680 },
+        { .center_freq = 5700 },
+        { .center_freq = 5745 },
+        { .center_freq = 5765 },
+        { .center_freq = 5785 },
+        { .center_freq = 5805 },
+        { .center_freq = 5825 },
+};
+
+static struct ieee80211_supported_band band_5GHz = {
+        .channels = p54_achannels,
+        .n_channels = ARRAY_SIZE(p54_achannels),
+        .bitrates = p54_arates,
+        .n_bitrates = ARRAY_SIZE(p54_arates),
 };
 
 int p54_parse_firmware(struct ieee80211_hw *dev, const struct firmware *fw)
@@ -252,6 +308,7 @@ static int p54_convert_rev1(struct ieee80211_hw *dev,
 
 const char* p54_rf_chips[] = { "NULL", "Indigo?", "Duette",
                               "Frisbee", "Xbow", "Longbow" };
+static int p54_init_xbow_synth(struct ieee80211_hw *dev);
 
 int p54_parse_eeprom(struct ieee80211_hw *dev, void *eeprom, int len)
 {
@@ -371,20 +428,20 @@ int p54_parse_eeprom(struct ieee80211_hw *dev, void *eeprom, int len)
         }
 
         switch (priv->rxhw) {
-                case 4: /* XBow */
-                case 1: /* Indigo? */
-                case 2: /* Duette */
-                        /* TODO: 5GHz initialization goes here */
-
-                case 3: /* Frisbee */
-                case 5: /* Longbow */
-                        dev->wiphy->bands[IEEE80211_BAND_2GHZ] = &band_2GHz;
-                        break;
-                default:
-                        printk(KERN_ERR "%s: unsupported RF-Chip\n",
-                                wiphy_name(dev->wiphy));
-                        err = -EINVAL;
-                        goto err;
+        case 4: /* XBow */
+                p54_init_xbow_synth(dev);
+        case 1: /* Indigo? */
+        case 2: /* Duette */
+                dev->wiphy->bands[IEEE80211_BAND_5GHZ] = &band_5GHz;
+        case 3: /* Frisbee */
+        case 5: /* Longbow */
+                dev->wiphy->bands[IEEE80211_BAND_2GHZ] = &band_2GHz;
+                break;
+        default:
+                printk(KERN_ERR "%s: unsupported RF-Chip\n",
+                        wiphy_name(dev->wiphy));
+                err = -EINVAL;
+                goto err;
         }
 
         if (!is_valid_ether_addr(dev->wiphy->perm_addr)) {
@@ -1225,6 +1282,33 @@ static int p54_conf_tx(struct ieee80211_hw *dev, u16 queue,
         return 0;
 }
 
+static int p54_init_xbow_synth(struct ieee80211_hw *dev)
+{
+        struct p54_common *priv = dev->priv;
+        struct p54_control_hdr *hdr;
+        struct p54_tx_control_xbow_synth *xbow;
+
+        hdr = kzalloc(sizeof(*hdr) + sizeof(*xbow) +
+                      priv->tx_hdr_len, GFP_KERNEL);
+        if (!hdr)
+                return -ENOMEM;
+
+        hdr = (void *)hdr + priv->tx_hdr_len;
+        hdr->magic1 = cpu_to_le16(0x8001);
+        hdr->len = cpu_to_le16(sizeof(*xbow));
+        hdr->type = cpu_to_le16(P54_CONTROL_TYPE_XBOW_SYNTH_CFG);
+        p54_assign_address(dev, NULL, hdr, sizeof(*hdr) + sizeof(*xbow));
+
+        xbow = (struct p54_tx_control_xbow_synth *) hdr->data;
+        xbow->magic1 = cpu_to_le16(0x1);
+        xbow->magic2 = cpu_to_le16(0x2);
+        xbow->freq = cpu_to_le16(5390);
+
+        priv->tx(dev, hdr, sizeof(*hdr) + sizeof(*xbow), 1);
+
+        return 0;
+}
+
 static void p54_statistics_timer(unsigned long data)
 {
         struct ieee80211_hw *dev = (struct ieee80211_hw *) data;
diff --git a/drivers/net/wireless/p54/p54common.h b/drivers/net/wireless/p54/p54common.h
index 9e544ce59c3c..4da736c789ac 100644
--- a/drivers/net/wireless/p54/p54common.h
+++ b/drivers/net/wireless/p54/p54common.h
@@ -314,4 +314,11 @@ struct p54_statistics {
         __le32 unkn[10]; /* CCE / CCA / RADAR */
 } __attribute__ ((packed));
 
+struct p54_tx_control_xbow_synth {
+        __le16 magic1;
+        __le16 magic2;
+        __le16 freq;
+        u32 padding[5];
+} __attribute__ ((packed));
+
 #endif /* P54COMMON_H */