b43: N-PHY: implement and add reading one element tables
Signed-off-by: Rafał Miłecki <zajec5@gmail.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
diff --git a/drivers/net/wireless/b43/tables_nphy.c b/drivers/net/wireless/b43/tables_nphy.c
index fc08be0..b8aed45 100644
--- a/drivers/net/wireless/b43/tables_nphy.c
+++ b/drivers/net/wireless/b43/tables_nphy.c
@@ -2919,6 +2919,37 @@
#undef check
}
+u32 b43_ntab_read(struct b43_wldev *dev, u32 offset)
+{
+ u32 type, value;
+
+ type = offset & B43_NTAB_TYPEMASK;
+ offset &= ~B43_NTAB_TYPEMASK;
+ B43_WARN_ON(offset > 0xFFFF);
+
+ switch (type) {
+ case B43_NTAB_8BIT:
+ b43_phy_write(dev, B43_NPHY_TABLE_ADDR, offset);
+ value = b43_phy_read(dev, B43_NPHY_TABLE_DATALO) & 0xFF;
+ break;
+ case B43_NTAB_16BIT:
+ b43_phy_write(dev, B43_NPHY_TABLE_ADDR, offset);
+ value = b43_phy_read(dev, B43_NPHY_TABLE_DATALO);
+ break;
+ case B43_NTAB_32BIT:
+ b43_phy_write(dev, B43_NPHY_TABLE_ADDR, offset);
+ value = b43_phy_read(dev, B43_NPHY_TABLE_DATAHI);
+ value <<= 16;
+ value |= b43_phy_read(dev, B43_NPHY_TABLE_DATALO);
+ break;
+ default:
+ B43_WARN_ON(1);
+ value = 0;
+ }
+
+ return value;
+}
+
void b43_ntab_write(struct b43_wldev *dev, u32 offset, u32 value)
{
u32 type;