b43: Move remaining code from phy.c to phy_a.c

This moves the remaining code from phy.c to phy_a.c
phy.c is removed.
No functional change. Just moving code and removing dead code.
Signed-off-by: Michael Buesch <mb@bu3sch.de>
Signed-off-by: John W. Linville <linville@tuxdriver.com>

drivers/net/wireless/b43/phy_a.c

@@ -58,6 +58,25 @@ static inline u16 freq_r3A_value(u16 frequency)
 	return value;
 }
 
+#if 0
+/* This function converts a TSSI value to dBm in Q5.2 */
+static s8 b43_aphy_estimate_power_out(struct b43_wldev *dev, s8 tssi)
+{
+	struct b43_phy *phy = &dev->phy;
+	struct b43_phy_a *aphy = phy->a;
+	s8 dbm = 0;
+	s32 tmp;
+
+	tmp = (aphy->tgt_idle_tssi - aphy->cur_idle_tssi + tssi);
+	tmp += 0x80;
+	tmp = clamp_val(tmp, 0x00, 0xFF);
+	dbm = aphy->tssi2dbm[tmp];
+	//TODO: There's a FIXME on the specs
+
+	return dbm;
+}
+#endif
+
 void b43_radio_set_tx_iq(struct b43_wldev *dev)
 {
 	static const u8 data_high[5] = { 0x00, 0x40, 0x80, 0x90, 0xD0 };
@@ -326,9 +345,46 @@ void b43_phy_inita(struct b43_wldev *dev)
 	}
 }
 
+/* Initialise the TSSI->dBm lookup table */
+static int b43_aphy_init_tssi2dbm_table(struct b43_wldev *dev)
+{
+	struct b43_phy *phy = &dev->phy;
+	struct b43_phy_a *aphy = phy->a;
+	s16 pab0, pab1, pab2;
+
+	pab0 = (s16) (dev->dev->bus->sprom.pa1b0);
+	pab1 = (s16) (dev->dev->bus->sprom.pa1b1);
+	pab2 = (s16) (dev->dev->bus->sprom.pa1b2);
+
+	if (pab0 != 0 && pab1 != 0 && pab2 != 0 &&
+	    pab0 != -1 && pab1 != -1 && pab2 != -1) {
+		/* The pabX values are set in SPROM. Use them. */
+		if ((s8) dev->dev->bus->sprom.itssi_a != 0 &&
+		    (s8) dev->dev->bus->sprom.itssi_a != -1)
+			aphy->tgt_idle_tssi =
+			    (s8) (dev->dev->bus->sprom.itssi_a);
+		else
+			aphy->tgt_idle_tssi = 62;
+		aphy->tssi2dbm = b43_generate_dyn_tssi2dbm_tab(dev, pab0,
+							       pab1, pab2);
+		if (!aphy->tssi2dbm)
+			return -ENOMEM;
+	} else {
+		/* pabX values not set in SPROM,
+		 * but APHY needs a generated table. */
+		aphy->tssi2dbm = NULL;
+		b43err(dev->wl, "Could not generate tssi2dBm "
+		       "table (wrong SPROM info)!\n");
+		return -ENODEV;
+	}
+
+	return 0;
+}
+
 static int b43_aphy_op_allocate(struct b43_wldev *dev)
 {
 	struct b43_phy_a *aphy;
+	int err;
 
 	aphy = kzalloc(sizeof(*aphy), GFP_KERNEL);
 	if (!aphy)
@@ -337,7 +393,17 @@ static int b43_aphy_op_allocate(struct b43_wldev *dev)
 
 	//TODO init struct b43_phy_a
 
+	err = b43_aphy_init_tssi2dbm_table(dev);
+	if (err)
+		goto err_free_aphy;
+
 	return 0;
+
+err_free_aphy:
+	kfree(aphy);
+	dev->phy.a = NULL;
+
+	return err;
 }
 
 static int b43_aphy_op_init(struct b43_wldev *dev)
@@ -359,6 +425,7 @@ static void b43_aphy_op_exit(struct b43_wldev *dev)
 		aphy->initialised = 0;
 	}
 	//TODO
+	kfree(aphy->tssi2dbm);
 	kfree(aphy);
 	dev->phy.a = NULL;
 }
@@ -430,7 +497,23 @@ static bool b43_aphy_op_supports_hwpctl(struct b43_wldev *dev)
 
 static void b43_aphy_op_software_rfkill(struct b43_wldev *dev,
 					enum rfkill_state state)
-{//TODO
+{
+	struct b43_phy *phy = &dev->phy;
+
+	if (state == RFKILL_STATE_UNBLOCKED) {
+		if (phy->radio_on)
+			return;
+		b43_radio_write16(dev, 0x0004, 0x00C0);
+		b43_radio_write16(dev, 0x0005, 0x0008);
+		b43_phy_write(dev, 0x0010, b43_phy_read(dev, 0x0010) & 0xFFF7);
+		b43_phy_write(dev, 0x0011, b43_phy_read(dev, 0x0011) & 0xFFF7);
+		b43_radio_init2060(dev);
+	} else {
+		b43_radio_write16(dev, 0x0004, 0x00FF);
+		b43_radio_write16(dev, 0x0005, 0x00FB);
+		b43_phy_write(dev, 0x0010, b43_phy_read(dev, 0x0010) | 0x0008);
+		b43_phy_write(dev, 0x0011, b43_phy_read(dev, 0x0011) | 0x0008);
+	}
 }
 
 static int b43_aphy_op_switch_channel(struct b43_wldev *dev,

drivers/net/wireless/b43/phy_a.h

@@ -105,6 +105,14 @@ void b43_ofdmtab_write32(struct b43_wldev *dev, u16 table,
 struct b43_phy_a {
 	bool initialised;
 
+	/* Pointer to the table used to convert a
+	 * TSSI value to dBm-Q5.2 */
+	const s8 *tssi2dbm;
+	/* Target idle TSSI */
+	int tgt_idle_tssi;
+	/* Current idle TSSI */
+	int cur_idle_tssi;//FIXME value currently not set
+
 	/* A-PHY TX Power control value. */
 	u16 txpwr_offset;
 

drivers/net/wireless/b43/phy_g.h

@@ -202,6 +202,8 @@ void b43_gphy_set_baseband_attenuation(struct b43_wldev *dev,
 void b43_gphy_channel_switch(struct b43_wldev *dev,
 			     unsigned int channel,
 			     bool synthetic_pu_workaround);
+u8 * b43_generate_dyn_tssi2dbm_tab(struct b43_wldev *dev,
+				   s16 pab0, s16 pab1, s16 pab2);
 
 struct b43_phy_operations;
 extern const struct b43_phy_operations b43_phyops_g;