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rt2x00: Introduce capability flag for Bluetooth co-existence.

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Use flag instead of re-reading the eeprom every time.

Signed-off-by: Gertjan van Wingerde <gwingerde@gmail.com>
Signed-off-by: Ivo van Doorn <IvDoorn@gmail.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
This commit is contained in:
Gertjan van Wingerde 2011-04-30 17:15:37 +02:00 committed by John W. Linville
parent 9328fdac49
commit fdbc7b0a26
2 changed files with 9 additions and 5 deletions
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13
drivers/net/wireless/rt2x00/rt2800lib.c
View File

@ -1640,7 +1640,6 @@ static void rt2800_config_channel_rf53xx(struct rt2x00_dev *rt2x00dev,
struct channel_info *info)
{
u8 rfcsr;
u16 eeprom;
rt2800_rfcsr_write(rt2x00dev, 8, rf->rf1);
rt2800_rfcsr_write(rt2x00dev, 9, rf->rf3);
@ -1670,11 +1669,10 @@ static void rt2800_config_channel_rf53xx(struct rt2x00_dev *rt2x00dev,
rt2x00_set_field8(&rfcsr, RFCSR17_CODE, rt2x00dev->freq_offset);
rt2800_rfcsr_write(rt2x00dev, 17, rfcsr);
rt2x00_eeprom_read(rt2x00dev, EEPROM_NIC_CONF1, &eeprom);
if (rf->channel <= 14) {
int idx = rf->channel-1;
if (rt2x00_get_field16(eeprom, EEPROM_NIC_CONF1_BT_COEXIST)) {
if (test_bit(CAPABILITY_BT_COEXIST, &rt2x00dev->cap_flags)) {
if (rt2x00_rt_rev_gte(rt2x00dev, RT5390, REV_RT5390F)) {
/* r55/r59 value array of channel 1~14 */
static const char r55_bt_rev[] = {0x83, 0x83,
@ -2917,8 +2915,7 @@ static int rt2800_init_bbp(struct rt2x00_dev *rt2x00dev)
ant = (div_mode == 3) ? 1 : 0;
/* check if this is a Bluetooth combo card */
rt2x00_eeprom_read(rt2x00dev, EEPROM_NIC_CONF1, &eeprom);
if (rt2x00_get_field16(eeprom, EEPROM_NIC_CONF1_BT_COEXIST)) {
if (test_bit(CAPABILITY_BT_COEXIST, &rt2x00dev->cap_flags)) {
u32 reg;
rt2800_register_read(rt2x00dev, GPIO_CTRL_CFG, &reg);
@ -3740,6 +3737,12 @@ int rt2800_init_eeprom(struct rt2x00_dev *rt2x00dev)
if (rt2x00_get_field16(eeprom, EEPROM_NIC_CONF1_HW_RADIO))
__set_bit(CAPABILITY_HW_BUTTON, &rt2x00dev->cap_flags);
/*
* Detect if this device has Bluetooth co-existence.
*/
if (rt2x00_get_field16(eeprom, EEPROM_NIC_CONF1_BT_COEXIST))
__set_bit(CAPABILITY_BT_COEXIST, &rt2x00dev->cap_flags);
/*
* Read frequency offset and RF programming sequence.
*/

1
drivers/net/wireless/rt2x00/rt2x00.h
View File

@ -697,6 +697,7 @@ enum rt2x00_capability_flags {
CAPABILITY_EXTERNAL_LNA_A,
CAPABILITY_EXTERNAL_LNA_BG,
CAPABILITY_DOUBLE_ANTENNA,
CAPABILITY_BT_COEXIST,
};
/*