IMR
I915_WRITE(type##IMR, 0xffffffff); \
POSTING_READ(type##IMR); \
I915_WRITE16(type##IMR, 0xffff); \
POSTING_READ16(type##IMR); \
I915_WRITE(type##IMR, (imr_val)); \
POSTING_READ(type##IMR); \
I915_WRITE16(type##IMR, (imr_val)); \
POSTING_READ16(type##IMR); \
I915_WRITE(IMR, dev_priv->irq_mask);
I915_WRITE(IMR, dev_priv->irq_mask);
I915_WRITE16(IMR, dev_priv->irq_mask);
I915_WRITE16(IMR, dev_priv->irq_mask);
sc->regs->IMR = EXT;
sc->regs->IMR = EXT;
sc->regs->IMR = 0;
sc->regs->IMR = 0;
u_int8_t CR, CRB, SR, IMR, CTDR, LTDR, CRDR, LRDR;
sc->regs->IMR = EXT | RXS | TXS | CRC | OFL | UFL;
sc->regs->IMR = EXT;
sc->regs->IMR = EXT;