From: Mahesh Kumar <mahesh1.kumar@xxxxxxxxx>
This patch introduce MBus control registers and their bit-fields
MBUS_ABOX_CTL
MBUS_BBOX_CTL
MBUS_DBOX_CTL
MBUS_UBOX_CTL
Changes Since V1:
- Use function like macros (Paulo)
- fix copy-paste error (Paulo)
Reviewed-by: Paulo Zanoni <paulo.r.zanoni@xxxxxxxxx>
Reviewed-by: James Ausmus <james.ausmus@xxxxxxxxx>
Signed-off-by: Mahesh Kumar <mahesh1.kumar@xxxxxxxxx>
Signed-off-by: Paulo Zanoni <paulo.r.zanoni@xxxxxxxxx>
---
drivers/gpu/drm/i915/i915_reg.h | 25 +++++++++++++++++++++++++
1 file changed, 25 insertions(+)
diff --git a/drivers/gpu/drm/i915/i915_reg.h b/drivers/gpu/drm/i915/i915_reg.h
index 64933fd74cb6..9f1c4a6f6dd6 100644
--- a/drivers/gpu/drm/i915/i915_reg.h
+++ b/drivers/gpu/drm/i915/i915_reg.h
@@ -2648,6 +2648,31 @@ enum i915_power_well_id {
#define LM_FIFO_WATERMARK 0x0000001F
#define MI_ARB_STATE _MMIO(0x20e4) /* 915+ only */
+#define MBUS_ABOX_CTL _MMIO(0x45038)
+#define MBUS_ABOX_BW_CREDIT_MASK (3 << 20)
+#define MBUS_ABOX_BW_CREDIT(x) ((x) << 20)
+#define MBUS_ABOX_B_CREDIT_MASK (0xF << 16)
+#define MBUS_ABOX_B_CREDIT(x) ((x) << 16)
+#define MBUS_ABOX_BT_CREDIT_POOL2_MASK (0x1F << 8)
+#define MBUS_ABOX_BT_CREDIT_POOL2(x) ((x) << 8)
+#define MBUS_ABOX_BT_CREDIT_POOL1_MASK (0x1F << 0)
+#define MBUS_ABOX_BT_CREDIT_POOL1(x) ((x) << 0)
+
+#define _PIPEA_MBUS_DBOX_CTL 0x7003C
+#define _PIPEB_MBUS_DBOX_CTL 0x7103C
+#define PIPE_MBUS_DBOX_CTL(pipe) _MMIO_PIPE(pipe, _PIPEA_MBUS_DBOX_CTL, \
+ _PIPEB_MBUS_DBOX_CTL)
+#define MBUS_DBOX_BW_CREDIT_MASK (3 << 14)
+#define MBUS_DBOX_BW_CREDIT(x) ((x) << 14)
+#define MBUS_DBOX_B_CREDIT_MASK (0x1F << 8)
+#define MBUS_DBOX_B_CREDIT(x) ((x) << 8)
+#define MBUS_DBOX_A_CREDIT_MASK (0xF << 0)
+#define MBUS_DBOX_A_CREDIT(x) ((x) << 0)
+
+#define MBUS_UBOX_CTL _MMIO(0x4503C)
+#define MBUS_BBOX_CTL_S1 _MMIO(0x45040)
+#define MBUS_BBOX_CTL_S2 _MMIO(0x45044)
+
/* Make render/texture TLB fetches lower priorty than associated data
* fetches. This is not turned on by default
*/
--
2.14.3
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