PCI_BT_V1
saa7146_write(dev, PCI_BT_V1, 0x1c00101f);
u32 arbtr_ctrl = saa7146_read(dev, PCI_BT_V1);
saa7146_write(dev, PCI_BT_V1, arbtr_ctrl);
saa7146_write(dev, PCI_BT_V1, 0x1c00101f);
saa7146_write(dev, PCI_BT_V1, 0x001c0000);
saa7146_write(dev, PCI_BT_V1, 0x001c0000 | (saa7146_read(dev, PCI_BT_V1) & ~0x001f0000));
saa7146_write(dev, PCI_BT_V1, 0x001c0000 | (saa7146_read(dev, PCI_BT_V1) & ~0x001f0000));
saa7146_write(dev, PCI_BT_V1, 0x1c1f101f);
saa7146_write(dev, PCI_BT_V1, 0x1c00101f);