88 lines
2.5 KiB
C
88 lines
2.5 KiB
C
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#ifndef B43_LO_H_
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#define B43_LO_H_
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/* G-PHY Local Oscillator */
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#include "phy_g.h"
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struct b43_wldev;
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/* Local Oscillator control value-pair. */
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struct b43_loctl {
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/* Control values. */
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s8 i;
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s8 q;
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};
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/* Debugging: Poison value for i and q values. */
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#define B43_LOCTL_POISON 111
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/* This struct holds calibrated LO settings for a set of
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* Baseband and RF attenuation settings. */
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struct b43_lo_calib {
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/* The set of attenuation values this set of LO
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* control values is calibrated for. */
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struct b43_bbatt bbatt;
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struct b43_rfatt rfatt;
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/* The set of control values for the LO. */
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struct b43_loctl ctl;
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/* The time when these settings were calibrated (in jiffies) */
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unsigned long calib_time;
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/* List. */
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struct list_head list;
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};
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/* Size of the DC Lookup Table in 16bit words. */
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#define B43_DC_LT_SIZE 32
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/* Local Oscillator calibration information */
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struct b43_txpower_lo_control {
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/* Lists of RF and BB attenuation values for this device.
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* Used for building hardware power control tables. */
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struct b43_rfatt_list rfatt_list;
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struct b43_bbatt_list bbatt_list;
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/* The DC Lookup Table is cached in memory here.
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* Note that this is only used for Hardware Power Control. */
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u16 dc_lt[B43_DC_LT_SIZE];
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/* List of calibrated control values (struct b43_lo_calib). */
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struct list_head calib_list;
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/* Last time the power vector was read (jiffies). */
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unsigned long pwr_vec_read_time;
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/* Last time the txctl values were measured (jiffies). */
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unsigned long txctl_measured_time;
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/* Current TX Bias value */
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u8 tx_bias;
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/* Current TX Magnification Value (if used by the device) */
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u8 tx_magn;
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/* Saved device PowerVector */
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u64 power_vector;
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};
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/* Calibration expire timeouts.
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* Timeouts must be multiple of 15 seconds. To make sure
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* the item really expired when the 15 second timer hits, we
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* subtract two additional seconds from the timeout. */
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#define B43_LO_CALIB_EXPIRE (HZ * (30 - 2))
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#define B43_LO_PWRVEC_EXPIRE (HZ * (30 - 2))
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#define B43_LO_TXCTL_EXPIRE (HZ * (180 - 4))
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/* Adjust the Local Oscillator to the saved attenuation
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* and txctl values.
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*/
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void b43_lo_g_adjust(struct b43_wldev *dev);
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/* Adjust to specific values. */
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void b43_lo_g_adjust_to(struct b43_wldev *dev,
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u16 rfatt, u16 bbatt, u16 tx_control);
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void b43_gphy_dc_lt_init(struct b43_wldev *dev, bool update_all);
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void b43_lo_g_maintenance_work(struct b43_wldev *dev);
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void b43_lo_g_cleanup(struct b43_wldev *dev);
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void b43_lo_g_init(struct b43_wldev *dev);
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#endif /* B43_LO_H_ */
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