b43: N-PHY: implement and add multi-dimensional table writing

Signed-off-by: Rafał Miłecki <zajec5@gmail.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>

1 files changed, 40 insertions, 0 deletions

diff --git a/drivers/net/wireless/b43/tables_nphy.c b/drivers/net/wireless/b43/tables_nphy.c
index 7dff853ab962..fc08be0b976e 100644
--- a/drivers/net/wireless/b43/tables_nphy.c
+++ b/drivers/net/wireless/b43/tables_nphy.c
@@ -2952,6 +2952,46 @@ void b43_ntab_write(struct b43_wldev *dev, u32 offset, u32 value)
         assert_ntab_array_sizes();
 }
 
+void b43_ntab_write_bulk(struct b43_wldev *dev, u32 offset,
+                          unsigned int nr_elements, const void *_data)
+{
+        u32 type, value;
+        const u8 *data = _data;
+        unsigned int i;
+
+        type = offset & B43_NTAB_TYPEMASK;
+        offset &= ~B43_NTAB_TYPEMASK;
+        B43_WARN_ON(offset > 0xFFFF);
+
+        b43_phy_write(dev, B43_NPHY_TABLE_ADDR, offset);
+
+        for (i = 0; i < nr_elements; i++) {
+                switch (type) {
+                case B43_NTAB_8BIT:
+                        value = *data;
+                        data++;
+                        B43_WARN_ON(value & ~0xFF);
+                        b43_phy_write(dev, B43_NPHY_TABLE_DATALO, value);
+                        break;
+                case B43_NTAB_16BIT:
+                        value = *((u16 *)data);
+                        data += 2;
+                        B43_WARN_ON(value & ~0xFFFF);
+                        b43_phy_write(dev, B43_NPHY_TABLE_DATALO, value);
+                        break;
+                case B43_NTAB_32BIT:
+                        value = *((u32 *)data);
+                        data += 4;
+                        b43_phy_write(dev, B43_NPHY_TABLE_DATAHI, value >> 16);
+                        b43_phy_write(dev, B43_NPHY_TABLE_DATALO,
+                                        value & 0xFFFF);
+                        break;
+                default:
+                        B43_WARN_ON(1);
+                }
+        }
+}
+
 #define ntab_upload(dev, offset, data) do { \
                 unsigned int i;                                         \
                 for (i = 0; i < (offset##_SIZE); i++)                   \