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 to GEN11 Reg State Context */ 13 #define CTX_CONTEXT_CONTROL (0x02 + 1) 14 #define CTX_RING_HEAD (0x04 + 1) 15 #define CTX_RING_TAIL (0x06 + 1) 16 #define CTX_RING_START (0x08 + 1) 17 #define CTX_RING_CTL (0x0a + 1) 18 #define CTX_BB_STATE (0x10 + 1) 19 #define CTX_BB_PER_CTX_PTR (0x18 + 1) 20 #define CTX_TIMESTAMP (0x22 + 1) 21 #define CTX_PDP3_UDW (0x24 + 1) 22 #define CTX_PDP3_LDW (0x26 + 1) 23 #define CTX_PDP2_UDW (0x28 + 1) 24 #define CTX_PDP2_LDW (0x2a + 1) 25 #define CTX_PDP1_UDW (0x2c + 1) 26 #define CTX_PDP1_LDW (0x2e + 1) 27 #define CTX_PDP0_UDW (0x30 + 1) 28 #define CTX_PDP0_LDW (0x32 + 1) 29 #define CTX_R_PWR_CLK_STATE (0x42 + 1) 30 31 #define GEN9_CTX_RING_MI_MODE 0x54 32 33 /* GEN12+ Reg State Context */ 34 #define GEN12_CTX_BB_PER_CTX_PTR (0x12 + 1) 35 36 #define ASSIGN_CTX_PDP(ppgtt, reg_state, n) do { \ 37 u32 *reg_state__ = (reg_state); \ 38 const u64 addr__ = i915_page_dir_dma_addr((ppgtt), (n)); \ 39 (reg_state__)[CTX_PDP ## n ## _UDW] = upper_32_bits(addr__); \ 40 (reg_state__)[CTX_PDP ## n ## _LDW] = lower_32_bits(addr__); \ 41 } while (0) 42 43 #define ASSIGN_CTX_PML4(ppgtt, reg_state) do { \ 44 u32 *reg_state__ = (reg_state); \ 45 const u64 addr__ = px_dma(ppgtt->pd); \ 46 (reg_state__)[CTX_PDP0_UDW] = upper_32_bits(addr__); \ 47 (reg_state__)[CTX_PDP0_LDW] = lower_32_bits(addr__); \ 48 } while (0) 49 50 #define GEN8_CTX_RCS_INDIRECT_CTX_OFFSET_DEFAULT 0x17 51 #define GEN9_CTX_RCS_INDIRECT_CTX_OFFSET_DEFAULT 0x26 52 #define GEN10_CTX_RCS_INDIRECT_CTX_OFFSET_DEFAULT 0x19 53 #define GEN11_CTX_RCS_INDIRECT_CTX_OFFSET_DEFAULT 0x1A 54 #define GEN12_CTX_RCS_INDIRECT_CTX_OFFSET_DEFAULT 0xD 55 56 #endif /* _INTEL_LRC_REG_H_ */ 57