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Commit 7501a4d8 authored by Eugeni Dodonov's avatar Eugeni Dodonov Committed by Daniel Vetter
Browse files

drm/i915: add SBI registers 



Those are responsible for the Sideband Interface programming.

v2: rename SBI bits to better reflect their meaning

Reviewed-by: default avatarRodrigo Vivi <rodrigo.vivi@intel.com>
Signed-off-by: default avatarEugeni Dodonov <eugeni.dodonov@intel.com>
Signed-off-by: default avatarDaniel Vetter <daniel.vetter@ffwll.ch>
parent bb879a44

drivers/gpu/drm/i915/i915_reg.h

+12 −0
Original line number Diff line number Diff line
@@ -4116,4 +4116,16 @@ 
					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_ */