diff options
Diffstat (limited to 'drivers/net/wireless/bcm43xx/bcm43xx_main.h')
-rw-r--r-- | drivers/net/wireless/bcm43xx/bcm43xx_main.h | 80 |
1 files changed, 50 insertions, 30 deletions
diff --git a/drivers/net/wireless/bcm43xx/bcm43xx_main.h b/drivers/net/wireless/bcm43xx/bcm43xx_main.h index 0a22e83..7d696d2 100644 --- a/drivers/net/wireless/bcm43xx/bcm43xx_main.h +++ b/drivers/net/wireless/bcm43xx/bcm43xx_main.h @@ -187,58 +187,78 @@ struct bcm43xx_xmitstatus_queue { /* Lightweight function to convert a frequency (in Mhz) to a channel number. */ static inline -u8 bcm43xx_freq_to_channel(struct bcm43xx_private *bcm, - int freq) +u8 bcm43xx_freq_to_channel_a(int freq) +{ + return ((freq - 5000) / 5); +} +static inline +u8 bcm43xx_freq_to_channel_bg(int freq) { u8 channel; - if (bcm->current_core->phy->type == BCM43xx_PHYTYPE_A) { - channel = (freq - 5000) / 5; - } else { - if (freq == 2484) - channel = 14; - else - channel = (freq - 2407) / 5; - } + if (freq == 2484) + channel = 14; + else + channel = (freq - 2407) / 5; return channel; } +static inline +u8 bcm43xx_freq_to_channel(struct bcm43xx_private *bcm, + int freq) +{ + if (bcm->current_core->phy->type == BCM43xx_PHYTYPE_A) + return bcm43xx_freq_to_channel_a(freq); + return bcm43xx_freq_to_channel_bg(freq); +} /* Lightweight function to convert a channel number to a frequency (in Mhz). */ static inline -int bcm43xx_channel_to_freq(struct bcm43xx_private *bcm, - u8 channel) +int bcm43xx_channel_to_freq_a(u8 channel) +{ + return (5000 + (5 * channel)); +} +static inline +int bcm43xx_channel_to_freq_bg(u8 channel) { int freq; - if (bcm->current_core->phy->type == BCM43xx_PHYTYPE_A) { - freq = 5000 + (5 * channel); - } else { - if (channel == 14) - freq = 2484; - else - freq = 2407 + (5 * channel); - } + if (channel == 14) + freq = 2484; + else + freq = 2407 + (5 * channel); return freq; } +static inline +int bcm43xx_channel_to_freq(struct bcm43xx_private *bcm, + u8 channel) +{ + if (bcm->current_core->phy->type == BCM43xx_PHYTYPE_A) + return bcm43xx_channel_to_freq_a(channel); + return bcm43xx_channel_to_freq_bg(channel); +} /* Lightweight function to check if a channel number is valid. * Note that this does _NOT_ check for geographical restrictions! */ static inline +int bcm43xx_is_valid_channel_a(u8 channel) +{ + return (channel <= 200); +} +static inline +int bcm43xx_is_valid_channel_bg(u8 channel) +{ + return (channel >= 1 && channel <= 14); +} +static inline int bcm43xx_is_valid_channel(struct bcm43xx_private *bcm, - u8 channel) + u8 channel) { - if (bcm->current_core->phy->type == BCM43xx_PHYTYPE_A) { - if (channel <= 200) - return 1; - } else { - if (channel >= 1 && channel <= 14) - return 1; - } - - return 0; + if (bcm->current_core->phy->type == BCM43xx_PHYTYPE_A) + return bcm43xx_is_valid_channel_a(channel); + return bcm43xx_is_valid_channel_bg(channel); } void bcm43xx_tsf_read(struct bcm43xx_private *bcm, u64 *tsf); |