Those are responsible for the Sideband Interface programming. v2: rename SBI bits to better reflect their meaning Reviewed-by: Rodrigo Vivi <rodrigo.vivi at intel.com> Signed-off-by: Eugeni Dodonov <eugeni.dodonov at intel.com> --- drivers/gpu/drm/i915/i915_reg.h | 12 ++++++++++++ 1 file changed, 12 insertions(+) diff --git a/drivers/gpu/drm/i915/i915_reg.h b/drivers/gpu/drm/i915/i915_reg.h index 58fcfae..d6c0e36 100644 --- a/drivers/gpu/drm/i915/i915_reg.h +++ b/drivers/gpu/drm/i915/i915_reg.h @@ -3948,4 +3948,16 @@ DDI_BUF_TRANS_A, \ DDI_BUF_TRANS_B) +/* Sideband Interface (SBI) is programmed indirectly, via + * SBI_ADDR, which contains the register offset; and SBI_DATA, + * which contains the payload */ +#define SBI_ADDR 0xC6000 +#define SBI_DATA 0xC6004 +#define SBI_CTL_STAT 0xC6008 +#define SBI_CTL_OP_CRRD (0x6<<8) +#define SBI_CTL_OP_CRWR (0x7<<8) +#define SBI_RESPONSE_FAIL (0x1<<1) +#define SBI_RESPONSE_SUCCESS (0x0<<1) +#define SBI_BUSY (0x1<<0) +#define SBI_READY (0x0<<0) #endif /* _I915_REG_H_ */ -- 1.7.9.5