diff options
Diffstat (limited to 'kernel/drivers/net/wireless/b43/lo.h')
-rw-r--r-- | kernel/drivers/net/wireless/b43/lo.h | 87 |
1 files changed, 87 insertions, 0 deletions
diff --git a/kernel/drivers/net/wireless/b43/lo.h b/kernel/drivers/net/wireless/b43/lo.h new file mode 100644 index 000000000..3b27e20ef --- /dev/null +++ b/kernel/drivers/net/wireless/b43/lo.h @@ -0,0 +1,87 @@ +#ifndef B43_LO_H_ +#define B43_LO_H_ + +/* G-PHY Local Oscillator */ + +#include "phy_g.h" + +struct b43_wldev; + +/* Local Oscillator control value-pair. */ +struct b43_loctl { + /* Control values. */ + s8 i; + s8 q; +}; +/* Debugging: Poison value for i and q values. */ +#define B43_LOCTL_POISON 111 + +/* This struct holds calibrated LO settings for a set of + * Baseband and RF attenuation settings. */ +struct b43_lo_calib { + /* The set of attenuation values this set of LO + * control values is calibrated for. */ + struct b43_bbatt bbatt; + struct b43_rfatt rfatt; + /* The set of control values for the LO. */ + struct b43_loctl ctl; + /* The time when these settings were calibrated (in jiffies) */ + unsigned long calib_time; + /* List. */ + struct list_head list; +}; + +/* Size of the DC Lookup Table in 16bit words. */ +#define B43_DC_LT_SIZE 32 + +/* Local Oscillator calibration information */ +struct b43_txpower_lo_control { + /* Lists of RF and BB attenuation values for this device. + * Used for building hardware power control tables. */ + struct b43_rfatt_list rfatt_list; + struct b43_bbatt_list bbatt_list; + + /* The DC Lookup Table is cached in memory here. + * Note that this is only used for Hardware Power Control. */ + u16 dc_lt[B43_DC_LT_SIZE]; + + /* List of calibrated control values (struct b43_lo_calib). */ + struct list_head calib_list; + /* Last time the power vector was read (jiffies). */ + unsigned long pwr_vec_read_time; + /* Last time the txctl values were measured (jiffies). */ + unsigned long txctl_measured_time; + + /* Current TX Bias value */ + u8 tx_bias; + /* Current TX Magnification Value (if used by the device) */ + u8 tx_magn; + + /* Saved device PowerVector */ + u64 power_vector; +}; + +/* Calibration expire timeouts. + * Timeouts must be multiple of 15 seconds. To make sure + * the item really expired when the 15 second timer hits, we + * subtract two additional seconds from the timeout. */ +#define B43_LO_CALIB_EXPIRE (HZ * (30 - 2)) +#define B43_LO_PWRVEC_EXPIRE (HZ * (30 - 2)) +#define B43_LO_TXCTL_EXPIRE (HZ * (180 - 4)) + + +/* Adjust the Local Oscillator to the saved attenuation + * and txctl values. + */ +void b43_lo_g_adjust(struct b43_wldev *dev); +/* Adjust to specific values. */ +void b43_lo_g_adjust_to(struct b43_wldev *dev, + u16 rfatt, u16 bbatt, u16 tx_control); + +void b43_gphy_dc_lt_init(struct b43_wldev *dev, bool update_all); + +void b43_lo_g_maintanance_work(struct b43_wldev *dev); +void b43_lo_g_cleanup(struct b43_wldev *dev); +void b43_lo_g_init(struct b43_wldev *dev); + +#endif /* B43_LO_H_ */ |