From: Eugeni Dodonov Date: Thu, 29 Mar 2012 15:32:29 +0000 (-0300) Subject: drm/i915: add SBI registers X-Git-Tag: firefly_0821_release~3680^2~2315^2~115^2~20 X-Git-Url: http://demsky.eecs.uci.edu/git/?a=commitdiff_plain;h=7501a4d846c9ca3d448f0eee102ebc409d9c1b19;p=firefly-linux-kernel-4.4.55.git drm/i915: add SBI registers Those are responsible for the Sideband Interface programming. v2: rename SBI bits to better reflect their meaning Reviewed-by: Rodrigo Vivi Signed-off-by: Eugeni Dodonov Signed-off-by: Daniel Vetter --- diff --git a/drivers/gpu/drm/i915/i915_reg.h b/drivers/gpu/drm/i915/i915_reg.h index a87f41c92243..542128c80546 100644 --- a/drivers/gpu/drm/i915/i915_reg.h +++ b/drivers/gpu/drm/i915/i915_reg.h @@ -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_ */