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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>
This commit is contained in:
Christian Lamparter 2008-09-06 14:25:58 +02:00 committed by John W. Linville
parent 09adf28403
commit 1b9975347e
2 changed files with 111 additions and 20 deletions
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124
drivers/net/wireless/p54/p54common.c
View File

@ -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;

7
drivers/net/wireless/p54/p54common.h
View File

@ -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 */