b43: Add NPHY radio init code

This adds some code to init the 2055 radio.
This patch adds two files "tables_nphy.h" and "tables_nphy.c"

Signed-off-by: Michael Buesch <mb@bu3sch.de>
Signed-off-by: John W. Linville <linville@tuxdriver.com>

1 files changed, 97 insertions, 1 deletions

diff --git a/drivers/net/wireless/b43/nphy.c b/drivers/net/wireless/b43/nphy.c
index 6d92545b1fa..b427aeeaa1f 100644
--- a/drivers/net/wireless/b43/nphy.c
+++ b/drivers/net/wireless/b43/nphy.c
@@ -24,11 +24,107 @@
 
 #include "b43.h"
 #include "nphy.h"
+#include "tables_nphy.h"
 
 
+void b43_nphy_set_rxantenna(struct b43_wldev *dev, int antenna)
+{//TODO
+}
+
+void b43_nphy_xmitpower(struct b43_wldev *dev)
+{//TODO
+}
+
+/* Tune the hardware to a new channel. Don't call this directly.
+ * Use b43_radio_selectchannel() */
+void b43_nphy_selectchannel(struct b43_wldev *dev, u8 channel)
+{
+
+//TODO
+}
+
+static void b43_radio_init2055_pre(struct b43_wldev *dev)
+{
+	b43_phy_mask(dev, B43_NPHY_RFCTL_CMD,
+		     ~B43_NPHY_RFCTL_CMD_PORFORCE);
+	b43_phy_set(dev, B43_NPHY_RFCTL_CMD,
+		    B43_NPHY_RFCTL_CMD_CHIP0PU |
+		    B43_NPHY_RFCTL_CMD_OEPORFORCE);
+	b43_phy_set(dev, B43_NPHY_RFCTL_CMD,
+		    B43_NPHY_RFCTL_CMD_PORFORCE);
+}
+
+static void b43_radio_init2055_post(struct b43_wldev *dev)
+{
+	struct ssb_sprom *sprom = &(dev->dev->bus->sprom);
+	struct ssb_boardinfo *binfo = &(dev->dev->bus->boardinfo);
+	int i;
+	u16 val;
+
+	b43_radio_mask(dev, B2055_MASTER1, 0xFFF3);
+	msleep(1);
+	if ((sprom->revision != 4) || !(sprom->boardflags_hi & 0x0002)) {
+		if ((binfo->vendor != PCI_VENDOR_ID_BROADCOM) ||
+		    (binfo->type != 0x46D) ||
+		    (binfo->rev < 0x41)) {
+			b43_radio_mask(dev, B2055_C1_RX_BB_REG, 0x7F);
+			b43_radio_mask(dev, B2055_C1_RX_BB_REG, 0x7F);
+			msleep(1);
+		}
+	}
+	b43_radio_maskset(dev, B2055_RRCCAL_NOPTSEL, 0x3F, 0x2C);
+	msleep(1);
+	b43_radio_write16(dev, B2055_CAL_MISC, 0x3C);
+	msleep(1);
+	b43_radio_mask(dev, B2055_CAL_MISC, 0xFFBE);
+	msleep(1);
+	b43_radio_set(dev, B2055_CAL_LPOCTL, 0x80);
+	msleep(1);
+	b43_radio_set(dev, B2055_CAL_MISC, 0x1);
+	msleep(1);
+	b43_radio_set(dev, B2055_CAL_MISC, 0x40);
+	msleep(1);
+	for (i = 0; i < 100; i++) {
+		val = b43_radio_read16(dev, B2055_CAL_COUT2);
+		if (val & 0x80)
+			break;
+		udelay(10);
+	}
+	msleep(1);
+	b43_radio_mask(dev, B2055_CAL_LPOCTL, 0xFF7F);
+	msleep(1);
+	b43_radio_selectchannel(dev, dev->phy.channel, 0);
+	b43_radio_write16(dev, B2055_C1_RX_BB_LPF, 0x9);
+	b43_radio_write16(dev, B2055_C2_RX_BB_LPF, 0x9);
+	b43_radio_write16(dev, B2055_C1_RX_BB_MIDACHP, 0x83);
+	b43_radio_write16(dev, B2055_C2_RX_BB_MIDACHP, 0x83);
+}
+
+/* Initialize a Broadcom 2055 N-radio */
+static void b43_radio_init2055(struct b43_wldev *dev)
+{
+	b43_radio_init2055_pre(dev);
+	if (b43_status(dev) < B43_STAT_INITIALIZED)
+		b2055_upload_inittab(dev, 0, 1);
+	else
+		b2055_upload_inittab(dev, 0/*FIXME on 5ghz band*/, 0);
+	b43_radio_init2055_post(dev);
+}
+
+void b43_nphy_radio_turn_on(struct b43_wldev *dev)
+{
+	b43_radio_init2055(dev);
+}
+
+void b43_nphy_radio_turn_off(struct b43_wldev *dev)
+{
+	b43_phy_mask(dev, B43_NPHY_RFCTL_CMD,
+		     ~B43_NPHY_RFCTL_CMD_EN);
+}
+
 int b43_phy_initn(struct b43_wldev *dev)
 {
 	b43err(dev->wl, "IEEE 802.11n devices are not supported, yet.\n");
 
-	return -EOPNOTSUPP;
+	return 0;
 }