Add WD Types, WD transcoder to enum list and WD Transcoder offsets.
Add i915 register definitions related to WD transcoder
Signed-off-by: Suraj Kandpal <suraj.kandpal@xxxxxxxxx>
Reviewed-by: Arun R Murthy <arun.r.murthy@xxxxxxxxx>
---
drivers/gpu/drm/i915/display/intel_display.h | 6 +
.../drm/i915/display/intel_display_types.h | 1 +
.../drm/i915/display/intel_writeback_reg.h | 128 ++++++++++++++++++
drivers/gpu/drm/i915/i915_reg.h | 10 ++
4 files changed, 145 insertions(+)
create mode 100644 drivers/gpu/drm/i915/display/intel_writeback_reg.h
diff --git a/drivers/gpu/drm/i915/display/intel_display.h b/drivers/gpu/drm/i915/display/intel_display.h
index 714030136b7f..7210d678bc74 100644
--- a/drivers/gpu/drm/i915/display/intel_display.h
+++ b/drivers/gpu/drm/i915/display/intel_display.h
@@ -103,6 +103,8 @@ enum transcoder {
TRANSCODER_DSI_1,
TRANSCODER_DSI_A = TRANSCODER_DSI_0, /* legacy DSI */
TRANSCODER_DSI_C = TRANSCODER_DSI_1, /* legacy DSI */
+ TRANSCODER_WD_0,
+ TRANSCODER_WD_1,
I915_MAX_TRANSCODERS
};
@@ -124,6 +126,10 @@ static inline const char *transcoder_name(enum transcoder transcoder)
return "DSI A";
case TRANSCODER_DSI_C:
return "DSI C";
+ case TRANSCODER_WD_0:
+ return "WD 0";
+ case TRANSCODER_WD_1:
+ return "WD 1";
default:
return "<invalid>";
}
diff --git a/drivers/gpu/drm/i915/display/intel_display_types.h b/drivers/gpu/drm/i915/display/intel_display_types.h
index 8da87cbb172b..8b34ba423817 100644
--- a/drivers/gpu/drm/i915/display/intel_display_types.h
+++ b/drivers/gpu/drm/i915/display/intel_display_types.h
@@ -79,6 +79,7 @@ enum intel_output_type {
INTEL_OUTPUT_DSI = 9,
INTEL_OUTPUT_DDI = 10,
INTEL_OUTPUT_DP_MST = 11,
+ INTEL_OUTPUT_WB = 12,
};
enum hdmi_force_audio {
diff --git a/drivers/gpu/drm/i915/display/intel_writeback_reg.h b/drivers/gpu/drm/i915/display/intel_writeback_reg.h
new file mode 100644
index 000000000000..955ad7596726
--- /dev/null
+++ b/drivers/gpu/drm/i915/display/intel_writeback_reg.h
@@ -0,0 +1,128 @@
+/* SPDX-License-Identifier: MIT*/
+/*
+ * Copyright © 2022 Intel Corporation
+ */
+
+#ifndef _INTEL_WRITEBACK_REG_H_
+#define _INTEL_WRITEBACK_REG_H_
+
+#include "i915_reg.h"
+/* Gen12 WD */
+#define _MMIO_WD(tc, wd0, wd1) _MMIO_TRANS((tc) - TRANSCODER_WD_0, \
+ wd0, wd1)
+
+#define WD_TRANS_ENABLE (1 << 31)
+#define WD_TRANS_DISABLE 0
+#define WD_TRANS_ACTIVE (1 << 30)
+
+/* WD transcoder control */
+#define _WD_TRANS_FUNC_CTL_0 0x6e400
+#define _WD_TRANS_FUNC_CTL_1 0x6ec00
+#define WD_TRANS_FUNC_CTL(tc) _MMIO_WD(tc,\
+ _WD_TRANS_FUNC_CTL_0,\
+ _WD_TRANS_FUNC_CTL_1)
+
+#define TRANS_WD_FUNC_ENABLE (1 << 31)
+#define WD_TRIGGERED_CAP_MODE_ENABLE (1 << 30)
+#define START_TRIGGER_FRAME (1 << 29)
+#define STOP_TRIGGER_FRAME (1 << 28)
+#define WD_CTL_POINTER_ETEH (0 << 18)
+#define WD_CTL_POINTER_ETDH (1 << 18)
+#define WD_CTL_POINTER_DTDH (2 << 18)
+#define WD_INPUT_SELECT_MASK (7 << 12)
+#define WD_INPUT_PIPE_A (0 << 12)
+#define WD_INPUT_PIPE_B (5 << 12)
+#define WD_INPUT_PIPE_C (6 << 12)
+#define WD_INPUT_PIPE_D (7 << 12)
+
+#define WD_PIX_FMT_MASK (0x3 << 20)
+#define WD_PIX_FMT_YUYV (0x1 << 20)
+#define WD_PIX_FMT_XYUV8888 (0x2 << 20)
+#define WD_PIX_FMT_XBGR8888 (0x3 << 20)
+#define WD_PIX_FMT_Y410 (0x4 << 20)
+#define WD_PIX_FMT_YUV422 (0x5 << 20)
+#define WD_PIX_FMT_XBGR2101010 (0x6 << 20)
+#define WD_PIX_FMT_RGB565 (0x7 << 20)
+
+#define WD_FRAME_NUMBER_MASK 15
+
+#define _WD_STRIDE_0 0x6e510
+#define _WD_STRIDE_1 0x6ed10
+#define WD_STRIDE(tc) _MMIO_WD(tc,\
+ _WD_STRIDE_0,\
+ _WD_STRIDE_1)
+#define WD_STRIDE_SHIFT 6
+#define WD_STRIDE_MASK (0x3ff << WD_STRIDE_SHIFT)
+
+#define _WD_STREAMCAP_CTL0 0x6e590
+#define _WD_STREAMCAP_CTL1 0x6ed90
+#define WD_STREAMCAP_CTL(tc) _MMIO_WD(tc,\
+ _WD_STREAMCAP_CTL0,\
+ _WD_STREAMCAP_CTL1)
+
+#define WD_STREAM_CAP_MODE_EN (1 << 31)
+#define WD_STRAT_MASK (3 << 24)
+#define WD_SLICING_STRAT_1_1 (0 << 24)
+#define WD_SLICING_STRAT_2_1 (1 << 24)
+#define WD_SLICING_STRAT_4_1 (2 << 24)
+#define WD_SLICING_STRAT_8_1 (3 << 24)
+#define WD_STREAM_OVERRUN_STATUS 1
+
+#define _WD_SURF_0 0x6e514
+#define _WD_SURF_1 0x6ed14
+#define WD_SURF(tc) _MMIO_WD(tc,\
+ _WD_SURF_0,\
+ _WD_SURF_1)
+
+#define _WD_IMR_0 0x6e560
+#define _WD_IMR_1 0x6ed60
+#define WD_IMR(tc) _MMIO_WD(tc,\
+ _WD_IMR_0,\
+ _WD_IMR_1)
+#define WD_FRAME_COMPLETE_INT (1 << 7)
+#define WD_GTT_FAULT_INT (1 << 6)
+#define WD_VBLANK_INT (1 << 5)
+#define WD_OVERRUN_INT (1 << 4)
+#define WD_CAPTURING_INT (1 << 3)
+#define WD_WRITE_COMPLETE_INT (1 << 2)
+
+#define _WD_IIR_0 0x6e564
+#define _WD_IIR_1 0x6ed64
+#define WD_IIR(tc) _MMIO_WD(tc,\
+ _WD_IIR_0,\
+ _WD_IIR_1)
+
+#define _WD_FRAME_STATUS_0 0x6e56b
+#define _WD_FRAME_STATUS_1 0x6ed6b
+#define WD_FRAME_STATUS(tc) _MMIO_WD(tc,\
+ _WD_FRAME_STATUS_0,\
+ _WD_FRAME_STATUS_1)
+
+#define WD_FRAME_COMPLETE (1 << 31)
+#define WD_STATE_IDLE (0 << 24)
+#define WD_STATE_CAPSTART (1 << 24)
+#define WD_STATE_FRAME_START (2 << 24)
+#define WD_STATE_CAPACITIVE (3 << 24)
+#define WD_STATE_TG_DONE (4 << 24)
+#define WD_STATE_WDX_DONE (5 << 24)
+#define WD_STATE_QUICK_CAP (6 << 24)
+
+#define _WD_27_M_0 0x6e524
+#define _WD_27_M_1 0x6ed24
+#define WD_27_M(tc) _MMIO_WD(tc,\
+ _WD_27_M_0,\
+ _WD_27_M_1)
+
+#define _WD_27_N_0 0x6e528
+#define _WD_27_N_1 0x6ec28
+#define WD_27_N(tc) _MMIO_WD(tc,\
+ _WD_27_N_0,\
+ _WD_27_N_1)
+
+#define _WD_TAIL_CFG_0 0x6e520
+#define _WD_TAIL_CFG_1 0x6ed20
+
+#define WD_TAIL_CFG(tc) _MMIO_WD(tc,\
+ _WD_TAIL_CFG_0,\
+ _WD_TAIL_CFG_1)
+#endif /* _INTEL_WRITEBACK_REG_H_ */
diff --git a/drivers/gpu/drm/i915/i915_reg.h b/drivers/gpu/drm/i915/i915_reg.h
index 8b08126f8b11..b26f8908d09a 100644
--- a/drivers/gpu/drm/i915/i915_reg.h
+++ b/drivers/gpu/drm/i915/i915_reg.h
@@ -1944,6 +1944,8 @@
#define TRANSCODER_EDP_OFFSET 0x6f000
#define TRANSCODER_DSI0_OFFSET 0x6b000
#define TRANSCODER_DSI1_OFFSET 0x6b800
+#define TRANSCODER_WD0_OFFSET 0x6e000
+#define TRANSCODER_WD1_OFFSET 0x6e800
#define HTOTAL(trans) _MMIO_TRANS2(trans, _HTOTAL_A)
#define HBLANK(trans) _MMIO_TRANS2(trans, _HBLANK_A)
@@ -3642,6 +3644,9 @@
#define PIPE_DSI0_OFFSET 0x7b000
#define PIPE_DSI1_OFFSET 0x7b800
+#define PIPE_WD0_OFFSET 0x7e000
+#define PIPE_WD1_OFFSET 0x7d000
+
#define PIPECONF(pipe) _MMIO_PIPE2(pipe, _PIPEACONF)
#define PIPEDSL(pipe) _MMIO_PIPE2(pipe, _PIPEADSL)
#define PIPEFRAME(pipe) _MMIO_PIPE2(pipe, _PIPEAFRAMEHIGH)
@@ -4307,6 +4312,10 @@
#define _PIPEDSI0CONF 0x7b008
#define _PIPEDSI1CONF 0x7b808
+/* WD 0 and 1 */
+#define _PIPEWD0CONF 0x7e008
+#define _PIPEWD1CONF 0x7d008
+
/* Sprite A control */
#define _DVSACNTR 0x72180
#define DVS_ENABLE REG_BIT(31)
@@ -5532,6 +5541,7 @@
#define GEN8_DE_MISC_IER _MMIO(0x4446c)
#define GEN8_DE_MISC_GSE (1 << 27)
#define GEN8_DE_EDP_PSR (1 << 19)
+#define GEN8_DE_MISC_WD0 (1 << 23)
#define GEN8_PCU_ISR _MMIO(0x444e0)
#define GEN8_PCU_IMR _MMIO(0x444e4)
--
2.25.1
