lo.h

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#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_ */