drm/i915/hdcp: Add HDCP 2.2 stream register

Add HDCP 2.2 DP MST HDCP2_STREAM_STATUS
and HDCP2_AUTH_STREAM register in i915_reg header.

B.Spec: 21780
B.Spec: 14410
B.Spec: 50573

v2
- Modified naming convention of HDCP2_STREAM_STATUS
  for pre-gen12 platforms inline with B.Spec.

Cc: Ramalingam C <ramalingam.c@intel.com>
Reviewed-by: Uma Shankar <uma.shankar@intel.com>
Reviewed-by: Ramalingam C <ramalingam.c@intel.com>
Tested-by: Karthik B S <karthik.b.s@intel.com>
Signed-off-by: Anshuman Gupta <anshuman.gupta@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20210111081120.28417-17-anshuman.gupta@intel.com

diff --git a/drivers/gpu/drm/i915/i915_reg.h b/drivers/gpu/drm/i915/i915_reg.h
index a0b9f62..249a815 100644 (file)
--- a/drivers/gpu/drm/i915/i915_reg.h
+++ b/drivers/gpu/drm/i915/i915_reg.h
@@ -9872,6 +9872,7 @@ enum skl_power_gate {
                                          _PORTD_HDCP2_BASE, \
                                          _PORTE_HDCP2_BASE, \
                                          _PORTF_HDCP2_BASE) + (x))
+
 #define PORT_HDCP2_AUTH(port)          _PORT_HDCP2_BASE(port, 0x98)
 #define _TRANSA_HDCP2_AUTH             0x66498
 #define _TRANSB_HDCP2_AUTH             0x66598
@@ -9911,6 +9912,44 @@ enum skl_power_gate {
                                         TRANS_HDCP2_STATUS(trans) : \
                                         PORT_HDCP2_STATUS(port))
 
+#define _PIPEA_HDCP2_STREAM_STATUS     0x668C0
+#define _PIPEB_HDCP2_STREAM_STATUS     0x665C0
+#define _PIPEC_HDCP2_STREAM_STATUS     0x666C0
+#define _PIPED_HDCP2_STREAM_STATUS     0x667C0
+#define PIPE_HDCP2_STREAM_STATUS(pipe)         _MMIO(_PICK((pipe), \
+                                                     _PIPEA_HDCP2_STREAM_STATUS, \
+                                                     _PIPEB_HDCP2_STREAM_STATUS, \
+                                                     _PIPEC_HDCP2_STREAM_STATUS, \
+                                                     _PIPED_HDCP2_STREAM_STATUS))
+
+#define _TRANSA_HDCP2_STREAM_STATUS            0x664C0
+#define _TRANSB_HDCP2_STREAM_STATUS            0x665C0
+#define TRANS_HDCP2_STREAM_STATUS(trans)       _MMIO_TRANS(trans, \
+                                                   _TRANSA_HDCP2_STREAM_STATUS, \
+                                                   _TRANSB_HDCP2_STREAM_STATUS)
+#define   STREAM_ENCRYPTION_STATUS     BIT(31)
+#define   STREAM_TYPE_STATUS           BIT(30)
+#define HDCP2_STREAM_STATUS(dev_priv, trans, port) \
+                                       (INTEL_GEN(dev_priv) >= 12 ? \
+                                        TRANS_HDCP2_STREAM_STATUS(trans) : \
+                                        PIPE_HDCP2_STREAM_STATUS(pipe))
+
+#define _PORTA_HDCP2_AUTH_STREAM               0x66F00
+#define _PORTB_HDCP2_AUTH_STREAM               0x66F04
+#define PORT_HDCP2_AUTH_STREAM(port)   _MMIO_PORT(port, \
+                                                  _PORTA_HDCP2_AUTH_STREAM, \
+                                                  _PORTB_HDCP2_AUTH_STREAM)
+#define _TRANSA_HDCP2_AUTH_STREAM              0x66F00
+#define _TRANSB_HDCP2_AUTH_STREAM              0x66F04
+#define TRANS_HDCP2_AUTH_STREAM(trans) _MMIO_TRANS(trans, \
+                                                   _TRANSA_HDCP2_AUTH_STREAM, \
+                                                   _TRANSB_HDCP2_AUTH_STREAM)
+#define   AUTH_STREAM_TYPE             BIT(31)
+#define HDCP2_AUTH_STREAM(dev_priv, trans, port) \
+                                       (INTEL_GEN(dev_priv) >= 12 ? \
+                                        TRANS_HDCP2_AUTH_STREAM(trans) : \
+                                        PORT_HDCP2_AUTH_STREAM(port))
+
 /* Per-pipe DDI Function Control */
 #define _TRANS_DDI_FUNC_CTL_A          0x60400
 #define _TRANS_DDI_FUNC_CTL_B          0x61400