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rt2x00: Gather channel information in structure

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Channel information which is read from EEPROM should
be read into an array containing per-channel information.
This removes the requirement of multiple arrays and makes
the channel handling a bit cleaner and easier to expand.

Signed-off-by: Ivo van Doorn <IvDoorn@gmail.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
This commit is contained in:
Ivo van Doorn
2008-08-04 16:38:47 +02:00
committed by John W. Linville
parent 906c110fcc
commit 8c5e7a5f59
13 changed files with 173 additions and 159 deletions
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43
drivers/net/wireless/rt2x00/rt73usb.c
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@@ -2107,10 +2107,11 @@ static const struct rf_channel rf_vals_5225_2527[] = {
};
static void rt73usb_probe_hw_mode(struct rt2x00_dev *rt2x00dev)
static int rt73usb_probe_hw_mode(struct rt2x00_dev *rt2x00dev)
{
struct hw_mode_spec *spec = &rt2x00dev->spec;
u8 *txpower;
struct channel_info *info;
char *tx_power;
unsigned int i;
/*
@@ -2126,21 +2127,11 @@ static void rt73usb_probe_hw_mode(struct rt2x00_dev *rt2x00dev)
rt2x00_eeprom_addr(rt2x00dev,
EEPROM_MAC_ADDR_0));
/*
* Convert tx_power array in eeprom.
*/
txpower = rt2x00_eeprom_addr(rt2x00dev, EEPROM_TXPOWER_G_START);
for (i = 0; i < 14; i++)
txpower[i] = TXPOWER_FROM_DEV(txpower[i]);
/*
* Initialize hw_mode information.
*/
spec->supported_bands = SUPPORT_BAND_2GHZ;
spec->supported_rates = SUPPORT_RATE_CCK | SUPPORT_RATE_OFDM;
spec->tx_power_a = NULL;
spec->tx_power_bg = txpower;
spec->tx_power_default = DEFAULT_TXPOWER;
if (rt2x00_rf(&rt2x00dev->chip, RF2528)) {
spec->num_channels = ARRAY_SIZE(rf_vals_bg_2528);
@@ -2158,14 +2149,26 @@ static void rt73usb_probe_hw_mode(struct rt2x00_dev *rt2x00dev)
spec->channels = rf_vals_5225_2527;
}
if (rt2x00_rf(&rt2x00dev->chip, RF5225) ||
rt2x00_rf(&rt2x00dev->chip, RF5226)) {
txpower = rt2x00_eeprom_addr(rt2x00dev, EEPROM_TXPOWER_A_START);
for (i = 0; i < 14; i++)
txpower[i] = TXPOWER_FROM_DEV(txpower[i]);
/*
* Create channel information array
*/
info = kzalloc(spec->num_channels * sizeof(*info), GFP_KERNEL);
if (!info)
return -ENOMEM;
spec->tx_power_a = txpower;
spec->channels_info = info;
tx_power = rt2x00_eeprom_addr(rt2x00dev, EEPROM_TXPOWER_G_START);
for (i = 0; i < 14; i++)
info[i].tx_power1 = TXPOWER_FROM_DEV(tx_power[i]);
if (spec->num_channels > 14) {
tx_power = rt2x00_eeprom_addr(rt2x00dev, EEPROM_TXPOWER_A_START);
for (i = 14; i < spec->num_channels; i++)
info[i].tx_power1 = TXPOWER_FROM_DEV(tx_power[i]);
}
return 0;
}
static int rt73usb_probe_hw(struct rt2x00_dev *rt2x00dev)
@@ -2186,7 +2189,9 @@ static int rt73usb_probe_hw(struct rt2x00_dev *rt2x00dev)
/*
* Initialize hw specifications.
*/
rt73usb_probe_hw_mode(rt2x00dev);
retval = rt73usb_probe_hw_mode(rt2x00dev);
if (retval)
return retval;
/*
* This device requires firmware.