[B43]: add mac80211-based driver for modern BCM43xx devices

Signed-off-by: Michael Buesch <mb@bu3sch.de>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

1 files changed, 112 insertions, 0 deletions

diff --git a/drivers/net/wireless/b43/lo.h b/drivers/net/wireless/b43/lo.h
new file mode 100644
index 00000000000..455615d1f8c
--- /dev/null
+++ b/drivers/net/wireless/b43/lo.h
@@ -0,0 +1,112 @@
+#ifndef B43_LO_H_
+#define B43_LO_H_
+
+#include "phy.h"
+
+struct b43_wldev;
+
+/* Local Oscillator control value-pair. */
+struct b43_loctl {
+	/* Control values. */
+	s8 i;
+	s8 q;
+	/* "Used by hardware" flag. */
+	bool used;
+#ifdef CONFIG_B43_DEBUG
+	/* Is this lo-control-array entry calibrated? */
+	bool calibrated;
+#endif
+};
+
+/* Debugging: Poison value for i and q values. */
+#define B43_LOCTL_POISON	111
+
+/* loctl->calibrated debugging mechanism */
+#ifdef CONFIG_B43_DEBUG
+static inline void b43_loctl_set_calibrated(struct b43_loctl *loctl,
+					    bool calibrated)
+{
+	loctl->calibrated = calibrated;
+}
+static inline bool b43_loctl_is_calibrated(struct b43_loctl *loctl)
+{
+	return loctl->calibrated;
+}
+#else
+static inline void b43_loctl_set_calibrated(struct b43_loctl *loctl,
+					    bool calibrated)
+{
+}
+static inline bool b43_loctl_is_calibrated(struct b43_loctl *loctl)
+{
+	return 1;
+}
+#endif
+
+/* TX Power LO Control Array.
+ * Value-pairs to adjust the LocalOscillator are stored
+ * in this structure.
+ * There are two different set of values. One for "Flag is Set"
+ * and one for "Flag is Unset".
+ * By "Flag" the flag in struct b43_rfatt is meant.
+ * The Value arrays are two-dimensional. The first index
+ * is the baseband attenuation and the second index
+ * is the radio attenuation.
+ * Use b43_get_lo_g_ctl() to retrieve a value from the lists.
+ */
+struct b43_txpower_lo_control {
+#define B43_NR_BB	12
+#define B43_NR_RF	16
+	/* LO Control values, with PAD Mixer */
+	struct b43_loctl with_padmix[B43_NR_BB][B43_NR_RF];
+	/* LO Control values, without PAD Mixer */
+	struct b43_loctl no_padmix[B43_NR_BB][B43_NR_RF];
+
+	/* Flag to indicate a complete rebuild of the two tables above
+	 * to the LO measuring code. */
+	bool rebuild;
+
+	/* Lists of valid RF and BB attenuation values for this device. */
+	struct b43_rfatt_list rfatt_list;
+	struct b43_bbatt_list bbatt_list;
+
+	/* Current TX Bias value */
+	u8 tx_bias;
+	/* Current TX Magnification Value (if used by the device) */
+	u8 tx_magn;
+
+	/* GPHY LO is measured. */
+	bool lo_measured;
+
+	/* Saved device PowerVector */
+	u64 power_vector;
+};
+
+/* Measure the BPHY Local Oscillator. */
+void b43_lo_b_measure(struct b43_wldev *dev);
+/* Measure the BPHY/GPHY Local Oscillator. */
+void b43_lo_g_measure(struct b43_wldev *dev);
+
+/* 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);
+
+/* Mark all possible b43_lo_g_ctl as "unused" */
+void b43_lo_g_ctl_mark_all_unused(struct b43_wldev *dev);
+/* Mark the b43_lo_g_ctl corresponding to the current
+ * attenuation values as used.
+ */
+void b43_lo_g_ctl_mark_cur_used(struct b43_wldev *dev);
+
+/* Get a reference to a LO Control value pair in the
+ * TX Power LO Control Array.
+ */
+struct b43_loctl *b43_get_lo_g_ctl(struct b43_wldev *dev,
+				   const struct b43_rfatt *rfatt,
+				   const struct b43_bbatt *bbatt);
+
+#endif /* B43_LO_H_ */