summaryrefslogtreecommitdiff
path: root/drivers/gpu/drm/i915/intel_lrc_reg.h
diff options
context:
space:
mode:
Diffstat (limited to 'drivers/gpu/drm/i915/intel_lrc_reg.h')
-rw-r--r--drivers/gpu/drm/i915/intel_lrc_reg.h67
1 files changed, 67 insertions, 0 deletions
diff --git a/drivers/gpu/drm/i915/intel_lrc_reg.h b/drivers/gpu/drm/i915/intel_lrc_reg.h
new file mode 100644
index 000000000000..a53336e2fc97
--- /dev/null
+++ b/drivers/gpu/drm/i915/intel_lrc_reg.h
@@ -0,0 +1,67 @@
+/*
+ * SPDX-License-Identifier: MIT
+ *
+ * Copyright © 2014-2018 Intel Corporation
+ */
+
+#ifndef _INTEL_LRC_REG_H_
+#define _INTEL_LRC_REG_H_
+
+#include <linux/types.h>
+
+/* GEN8+ Reg State Context */
+#define CTX_LRI_HEADER_0 0x01
+#define CTX_CONTEXT_CONTROL 0x02
+#define CTX_RING_HEAD 0x04
+#define CTX_RING_TAIL 0x06
+#define CTX_RING_BUFFER_START 0x08
+#define CTX_RING_BUFFER_CONTROL 0x0a
+#define CTX_BB_HEAD_U 0x0c
+#define CTX_BB_HEAD_L 0x0e
+#define CTX_BB_STATE 0x10
+#define CTX_SECOND_BB_HEAD_U 0x12
+#define CTX_SECOND_BB_HEAD_L 0x14
+#define CTX_SECOND_BB_STATE 0x16
+#define CTX_BB_PER_CTX_PTR 0x18
+#define CTX_RCS_INDIRECT_CTX 0x1a
+#define CTX_RCS_INDIRECT_CTX_OFFSET 0x1c
+#define CTX_LRI_HEADER_1 0x21
+#define CTX_CTX_TIMESTAMP 0x22
+#define CTX_PDP3_UDW 0x24
+#define CTX_PDP3_LDW 0x26
+#define CTX_PDP2_UDW 0x28
+#define CTX_PDP2_LDW 0x2a
+#define CTX_PDP1_UDW 0x2c
+#define CTX_PDP1_LDW 0x2e
+#define CTX_PDP0_UDW 0x30
+#define CTX_PDP0_LDW 0x32
+#define CTX_LRI_HEADER_2 0x41
+#define CTX_R_PWR_CLK_STATE 0x42
+#define CTX_GPGPU_CSR_BASE_ADDRESS 0x44
+
+#define CTX_REG(reg_state, pos, reg, val) do { \
+ u32 *reg_state__ = (reg_state); \
+ const u32 pos__ = (pos); \
+ (reg_state__)[(pos__) + 0] = i915_mmio_reg_offset(reg); \
+ (reg_state__)[(pos__) + 1] = (val); \
+} while (0)
+
+#define ASSIGN_CTX_PDP(ppgtt, reg_state, n) do { \
+ u32 *reg_state__ = (reg_state); \
+ const u64 addr__ = i915_page_dir_dma_addr((ppgtt), (n)); \
+ (reg_state__)[CTX_PDP ## n ## _UDW + 1] = upper_32_bits(addr__); \
+ (reg_state__)[CTX_PDP ## n ## _LDW + 1] = lower_32_bits(addr__); \
+} while (0)
+
+#define ASSIGN_CTX_PML4(ppgtt, reg_state) do { \
+ u32 *reg_state__ = (reg_state); \
+ const u64 addr__ = px_dma(&ppgtt->pml4); \
+ (reg_state__)[CTX_PDP0_UDW + 1] = upper_32_bits(addr__); \
+ (reg_state__)[CTX_PDP0_LDW + 1] = lower_32_bits(addr__); \
+} while (0)
+
+#define GEN8_CTX_RCS_INDIRECT_CTX_OFFSET_DEFAULT 0x17
+#define GEN9_CTX_RCS_INDIRECT_CTX_OFFSET_DEFAULT 0x26
+#define GEN10_CTX_RCS_INDIRECT_CTX_OFFSET_DEFAULT 0x19
+
+#endif /* _INTEL_LRC_REG_H_ */