drivers/net/wireless/b43/phy_g.h

   1 #ifndef LINUX_B43_PHY_G_H_
   2 #define LINUX_B43_PHY_G_H_
   3
   4 /* OFDM PHY registers are defined in the A-PHY header. */
   5 #include "phy_a.h"
   6
   7 /* CCK (B) PHY Registers */
   8 #define B43_PHY_VERSION_CCK             B43_PHY_CCK(0x00)       /* Versioning register for B-PHY */
   9 #define B43_PHY_CCKBBANDCFG             B43_PHY_CCK(0x01)       /* Contains antenna 0/1 control bit */
  10 #define B43_PHY_PGACTL                  B43_PHY_CCK(0x15)       /* PGA control */
  11 #define  B43_PHY_PGACTL_LPF             0x1000  /* Low pass filter (?) */
  12 #define  B43_PHY_PGACTL_LOWBANDW        0x0040  /* Low bandwidth flag */
  13 #define  B43_PHY_PGACTL_UNKNOWN         0xEFA0
  14 #define B43_PHY_FBCTL1                  B43_PHY_CCK(0x18)       /* Frequency bandwidth control 1 */
  15 #define B43_PHY_ITSSI                   B43_PHY_CCK(0x29)       /* Idle TSSI */
  16 #define B43_PHY_LO_LEAKAGE              B43_PHY_CCK(0x2D)       /* Measured LO leakage */
  17 #define B43_PHY_ENERGY                  B43_PHY_CCK(0x33)       /* Energy */
  18 #define B43_PHY_SYNCCTL                 B43_PHY_CCK(0x35)
  19 #define B43_PHY_FBCTL2                  B43_PHY_CCK(0x38)       /* Frequency bandwidth control 2 */
  20 #define B43_PHY_DACCTL                  B43_PHY_CCK(0x60)       /* DAC control */
  21 #define B43_PHY_RCCALOVER               B43_PHY_CCK(0x78)       /* RC calibration override */
  22
  23 /* Extended G-PHY Registers */
  24 #define B43_PHY_CLASSCTL                B43_PHY_EXTG(0x02)      /* Classify control */
  25 #define B43_PHY_GTABCTL                 B43_PHY_EXTG(0x03)      /* G-PHY table control (see below) */
  26 #define  B43_PHY_GTABOFF                0x03FF  /* G-PHY table offset (see below) */
  27 #define  B43_PHY_GTABNR                 0xFC00  /* G-PHY table number (see below) */
  28 #define  B43_PHY_GTABNR_SHIFT           10
  29 #define B43_PHY_GTABDATA                B43_PHY_EXTG(0x04)      /* G-PHY table data */
  30 #define B43_PHY_LO_MASK                 B43_PHY_EXTG(0x0F)      /* Local Oscillator control mask */
  31 #define B43_PHY_LO_CTL                  B43_PHY_EXTG(0x10)      /* Local Oscillator control */
  32 #define B43_PHY_RFOVER                  B43_PHY_EXTG(0x11)      /* RF override */
  33 #define B43_PHY_RFOVERVAL               B43_PHY_EXTG(0x12)      /* RF override value */
  34 #define  B43_PHY_RFOVERVAL_EXTLNA       0x8000
  35 #define  B43_PHY_RFOVERVAL_LNA          0x7000
  36 #define  B43_PHY_RFOVERVAL_LNA_SHIFT    12
  37 #define  B43_PHY_RFOVERVAL_PGA          0x0F00
  38 #define  B43_PHY_RFOVERVAL_PGA_SHIFT    8
  39 #define  B43_PHY_RFOVERVAL_UNK          0x0010  /* Unknown, always set. */
  40 #define  B43_PHY_RFOVERVAL_TRSWRX       0x00E0
  41 #define  B43_PHY_RFOVERVAL_BW           0x0003  /* Bandwidth flags */
  42 #define   B43_PHY_RFOVERVAL_BW_LPF      0x0001  /* Low Pass Filter */
  43 #define   B43_PHY_RFOVERVAL_BW_LBW      0x0002  /* Low Bandwidth (when set), high when unset */
  44 #define B43_PHY_ANALOGOVER              B43_PHY_EXTG(0x14)      /* Analog override */
  45 #define B43_PHY_ANALOGOVERVAL           B43_PHY_EXTG(0x15)      /* Analog override value */
  46
  47
  48 /*** G-PHY table numbers */
  49 #define B43_GTAB(number, offset)        (((number) << B43_PHY_GTABNR_SHIFT) | (offset))
  50 #define B43_GTAB_NRSSI                  B43_GTAB(0x00, 0)
  51 #define B43_GTAB_TRFEMW                 B43_GTAB(0x0C, 0x120)
  52 #define B43_GTAB_ORIGTR                 B43_GTAB(0x2E, 0x298)
  53
  54 u16 b43_gtab_read(struct b43_wldev *dev, u16 table, u16 offset);
  55 void b43_gtab_write(struct b43_wldev *dev, u16 table, u16 offset, u16 value);
  56
  57
  58 /* Returns the boolean whether "TX Magnification" is enabled. */
  59 #define has_tx_magnification(phy) \
  60         (((phy)->rev >= 2) &&                   \
  61          ((phy)->radio_ver == 0x2050) &&        \
  62          ((phy)->radio_rev == 8))
  63 /* Card uses the loopback gain stuff */
  64 #define has_loopback_gain(phy) \
  65         (((phy)->rev > 1) || ((phy)->gmode))
  66
  67 /* Radio Attenuation (RF Attenuation) */
  68 struct b43_rfatt {
  69         u8 att;                 /* Attenuation value */
  70         bool with_padmix;       /* Flag, PAD Mixer enabled. */
  71 };
  72 struct b43_rfatt_list {
  73         /* Attenuation values list */
  74         const struct b43_rfatt *list;
  75         u8 len;
  76         /* Minimum/Maximum attenuation values */
  77         u8 min_val;
  78         u8 max_val;
  79 };
  80
  81 /* Returns true, if the values are the same. */
  82 static inline bool b43_compare_rfatt(const struct b43_rfatt *a,
  83                                      const struct b43_rfatt *b)
  84 {
  85         return ((a->att == b->att) &&
  86                 (a->with_padmix == b->with_padmix));
  87 }
  88
  89 /* Baseband Attenuation */
  90 struct b43_bbatt {
  91         u8 att;                 /* Attenuation value */
  92 };
  93 struct b43_bbatt_list {
  94         /* Attenuation values list */
  95         const struct b43_bbatt *list;
  96         u8 len;
  97         /* Minimum/Maximum attenuation values */
  98         u8 min_val;
  99         u8 max_val;
 100 };
 101
 102 /* Returns true, if the values are the same. */
 103 static inline bool b43_compare_bbatt(const struct b43_bbatt *a,
 104                                      const struct b43_bbatt *b)
 105 {
 106         return (a->att == b->att);
 107 }
 108
 109 /* tx_control bits. */
 110 #define B43_TXCTL_PA3DB         0x40    /* PA Gain 3dB */
 111 #define B43_TXCTL_PA2DB         0x20    /* PA Gain 2dB */
 112 #define B43_TXCTL_TXMIX         0x10    /* TX Mixer Gain */
 113
 114 struct b43_txpower_lo_control;
 115
 116 struct b43_phy_g {
 117         /* ACI (adjacent channel interference) flags. */
 118         bool aci_enable;
 119         bool aci_wlan_automatic;
 120         bool aci_hw_rssi;
 121
 122         /* Radio switched on/off */
 123         bool radio_on;
 124         struct {
 125                 /* Values saved when turning the radio off.
 126                  * They are needed when turning it on again. */
 127                 bool valid;
 128                 u16 rfover;
 129                 u16 rfoverval;
 130         } radio_off_context;
 131
 132         u16 minlowsig[2];
 133         u16 minlowsigpos[2];
 134
 135         /* Pointer to the table used to convert a
 136          * TSSI value to dBm-Q5.2 */
 137         const s8 *tssi2dbm;
 138         /* tssi2dbm is kmalloc()ed. Only used for free()ing. */
 139         bool dyn_tssi_tbl;
 140         /* Target idle TSSI */
 141         int tgt_idle_tssi;
 142         /* Current idle TSSI */
 143         int cur_idle_tssi;
 144         /* The current average TSSI. */
 145         u8 average_tssi;
 146         /* Current TX power level attenuation control values */
 147         struct b43_bbatt bbatt;
 148         struct b43_rfatt rfatt;
 149         u8 tx_control;          /* B43_TXCTL_XXX */
 150         /* The calculated attenuation deltas that are used later
 151          * when adjusting the actual power output. */
 152         int bbatt_delta;
 153         int rfatt_delta;
 154
 155         /* LocalOscillator control values. */
 156         struct b43_txpower_lo_control *lo_control;
 157         /* Values from b43_calc_loopback_gain() */
 158         s16 max_lb_gain;        /* Maximum Loopback gain in hdB */
 159         s16 trsw_rx_gain;       /* TRSW RX gain in hdB */
 160         s16 lna_lod_gain;       /* LNA lod */
 161         s16 lna_gain;           /* LNA */
 162         s16 pga_gain;           /* PGA */
 163
 164         /* Current Interference Mitigation mode */
 165         int interfmode;
 166         /* Stack of saved values from the Interference Mitigation code.
 167          * Each value in the stack is laid out as follows:
 168          * bit 0-11:  offset
 169          * bit 12-15: register ID
 170          * bit 16-32: value
 171          * register ID is: 0x1 PHY, 0x2 Radio, 0x3 ILT
 172          */
 173 #define B43_INTERFSTACK_SIZE    26
 174         u32 interfstack[B43_INTERFSTACK_SIZE];  //FIXME: use a data structure
 175
 176         /* Saved values from the NRSSI Slope calculation */
 177         s16 nrssi[2];
 178         s32 nrssislope;
 179         /* In memory nrssi lookup table. */
 180         s8 nrssi_lt[64];
 181
 182         u16 lofcal;
 183
 184         u16 initval;            //FIXME rename?
 185
 186         /* The device does address auto increment for the OFDM tables.
 187          * We cache the previously used address here and omit the address
 188          * write on the next table access, if possible. */
 189         u16 ofdmtab_addr; /* The address currently set in hardware. */
 190         enum { /* The last data flow direction. */
 191                 B43_OFDMTAB_DIRECTION_UNKNOWN = 0,
 192                 B43_OFDMTAB_DIRECTION_READ,
 193                 B43_OFDMTAB_DIRECTION_WRITE,
 194         } ofdmtab_addr_direction;
 195 };
 196
 197 void b43_gphy_set_baseband_attenuation(struct b43_wldev *dev,
 198                                        u16 baseband_attenuation);
 199 void b43_gphy_channel_switch(struct b43_wldev *dev,
 200                              unsigned int channel,
 201                              bool synthetic_pu_workaround);
 202 u8 * b43_generate_dyn_tssi2dbm_tab(struct b43_wldev *dev,
 203                                    s16 pab0, s16 pab1, s16 pab2);
 204
 205 struct b43_phy_operations;
 206 extern const struct b43_phy_operations b43_phyops_g;
 207
 208 #endif /* LINUX_B43_PHY_G_H_ */