drivers/gpu/drm/i915/intel_lrc_reg.h

   1 /*
   2  * SPDX-License-Identifier: MIT
   3  *
   4  * Copyright © 2014-2018 Intel Corporation
   5  */
   6
   7 #ifndef _INTEL_LRC_REG_H_
   8 #define _INTEL_LRC_REG_H_
   9
  10 #include <linux/types.h>
  11
  12 /* GEN8+ Reg State Context */
  13 #define CTX_LRI_HEADER_0                0x01
  14 #define CTX_CONTEXT_CONTROL             0x02
  15 #define CTX_RING_HEAD                   0x04
  16 #define CTX_RING_TAIL                   0x06
  17 #define CTX_RING_BUFFER_START           0x08
  18 #define CTX_RING_BUFFER_CONTROL         0x0a
  19 #define CTX_BB_HEAD_U                   0x0c
  20 #define CTX_BB_HEAD_L                   0x0e
  21 #define CTX_BB_STATE                    0x10
  22 #define CTX_SECOND_BB_HEAD_U            0x12
  23 #define CTX_SECOND_BB_HEAD_L            0x14
  24 #define CTX_SECOND_BB_STATE             0x16
  25 #define CTX_BB_PER_CTX_PTR              0x18
  26 #define CTX_RCS_INDIRECT_CTX            0x1a
  27 #define CTX_RCS_INDIRECT_CTX_OFFSET     0x1c
  28 #define CTX_LRI_HEADER_1                0x21
  29 #define CTX_CTX_TIMESTAMP               0x22
  30 #define CTX_PDP3_UDW                    0x24
  31 #define CTX_PDP3_LDW                    0x26
  32 #define CTX_PDP2_UDW                    0x28
  33 #define CTX_PDP2_LDW                    0x2a
  34 #define CTX_PDP1_UDW                    0x2c
  35 #define CTX_PDP1_LDW                    0x2e
  36 #define CTX_PDP0_UDW                    0x30
  37 #define CTX_PDP0_LDW                    0x32
  38 #define CTX_LRI_HEADER_2                0x41
  39 #define CTX_R_PWR_CLK_STATE             0x42
  40 #define CTX_END                         0x44
  41
  42 #define CTX_REG(reg_state, pos, reg, val) do { \
  43         u32 *reg_state__ = (reg_state); \
  44         const u32 pos__ = (pos); \
  45         (reg_state__)[(pos__) + 0] = i915_mmio_reg_offset(reg); \
  46         (reg_state__)[(pos__) + 1] = (val); \
  47 } while (0)
  48
  49 #define ASSIGN_CTX_PDP(ppgtt, reg_state, n) do { \
  50         u32 *reg_state__ = (reg_state); \
  51         const u64 addr__ = i915_page_dir_dma_addr((ppgtt), (n)); \
  52         (reg_state__)[CTX_PDP ## n ## _UDW + 1] = upper_32_bits(addr__); \
  53         (reg_state__)[CTX_PDP ## n ## _LDW + 1] = lower_32_bits(addr__); \
  54 } while (0)
  55
  56 #define ASSIGN_CTX_PML4(ppgtt, reg_state) do { \
  57         u32 *reg_state__ = (reg_state); \
  58         const u64 addr__ = px_dma(&ppgtt->pml4); \
  59         (reg_state__)[CTX_PDP0_UDW + 1] = upper_32_bits(addr__); \
  60         (reg_state__)[CTX_PDP0_LDW + 1] = lower_32_bits(addr__); \
  61 } while (0)
  62
  63 #define GEN8_CTX_RCS_INDIRECT_CTX_OFFSET_DEFAULT        0x17
  64 #define GEN9_CTX_RCS_INDIRECT_CTX_OFFSET_DEFAULT        0x26
  65 #define GEN10_CTX_RCS_INDIRECT_CTX_OFFSET_DEFAULT       0x19
  66 #define GEN11_CTX_RCS_INDIRECT_CTX_OFFSET_DEFAULT       0x1A
  67
  68 #endif /* _INTEL_LRC_REG_H_ */