1 /* 2 * Copyright 2016 Advanced Micro Devices, Inc. 3 * 4 * Permission is hereby granted, free of charge, to any person obtaining a 5 * copy of this software and associated documentation files (the "Software"), 6 * to deal in the Software without restriction, including without limitation 7 * the rights to use, copy, modify, merge, publish, distribute, sublicense, 8 * and/or sell copies of the Software, and to permit persons to whom the 9 * Software is furnished to do so, subject to the following conditions: 10 * 11 * The above copyright notice and this permission notice shall be included in 12 * all copies or substantial portions of the Software. 13 * 14 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR 15 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, 16 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL 17 * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR 18 * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, 19 * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR 20 * OTHER DEALINGS IN THE SOFTWARE. 21 * 22 */ 23 24 #ifndef __SOC15_COMMON_H__ 25 #define __SOC15_COMMON_H__ 26 27 /* Register Access Macros */ 28 #define SOC15_REG_OFFSET(ip, inst, reg) (adev->reg_offset[ip##_HWIP][inst][reg##_BASE_IDX] + reg) 29 30 #define __WREG32_SOC15_RLC__(reg, value, flag, hwip) \ 31 ((amdgpu_sriov_vf(adev) && adev->gfx.rlc.funcs && adev->gfx.rlc.rlcg_reg_access_supported) ? \ 32 amdgpu_sriov_wreg(adev, reg, value, flag, hwip) : \ 33 WREG32(reg, value)) 34 35 #define __RREG32_SOC15_RLC__(reg, flag, hwip) \ 36 ((amdgpu_sriov_vf(adev) && adev->gfx.rlc.funcs && adev->gfx.rlc.rlcg_reg_access_supported) ? \ 37 amdgpu_sriov_rreg(adev, reg, flag, hwip) : \ 38 RREG32(reg)) 39 40 #define WREG32_FIELD15(ip, idx, reg, field, val) \ 41 __WREG32_SOC15_RLC__(adev->reg_offset[ip##_HWIP][idx][mm##reg##_BASE_IDX] + mm##reg, \ 42 (__RREG32_SOC15_RLC__( \ 43 adev->reg_offset[ip##_HWIP][idx][mm##reg##_BASE_IDX] + mm##reg, \ 44 0, ip##_HWIP) & \ 45 ~REG_FIELD_MASK(reg, field)) | (val) << REG_FIELD_SHIFT(reg, field), \ 46 0, ip##_HWIP) 47 48 #define WREG32_FIELD15_PREREG(ip, idx, reg_name, field, val) \ 49 __WREG32_SOC15_RLC__(adev->reg_offset[ip##_HWIP][idx][reg##reg_name##_BASE_IDX] + reg##reg_name, \ 50 (__RREG32_SOC15_RLC__( \ 51 adev->reg_offset[ip##_HWIP][idx][reg##reg_name##_BASE_IDX] + reg##reg_name, \ 52 0, ip##_HWIP) & \ 53 ~REG_FIELD_MASK(reg_name, field)) | (val) << REG_FIELD_SHIFT(reg_name, field), \ 54 0, ip##_HWIP) 55 56 #define RREG32_SOC15(ip, inst, reg) \ 57 __RREG32_SOC15_RLC__(adev->reg_offset[ip##_HWIP][inst][reg##_BASE_IDX] + reg, \ 58 0, ip##_HWIP) 59 60 #define RREG32_SOC15_IP(ip, reg) __RREG32_SOC15_RLC__(reg, 0, ip##_HWIP) 61 62 #define RREG32_SOC15_IP_NO_KIQ(ip, reg) __RREG32_SOC15_RLC__(reg, AMDGPU_REGS_NO_KIQ, ip##_HWIP) 63 64 #define RREG32_SOC15_NO_KIQ(ip, inst, reg) \ 65 __RREG32_SOC15_RLC__(adev->reg_offset[ip##_HWIP][inst][reg##_BASE_IDX] + reg, \ 66 AMDGPU_REGS_NO_KIQ, ip##_HWIP) 67 68 #define RREG32_SOC15_OFFSET(ip, inst, reg, offset) \ 69 __RREG32_SOC15_RLC__((adev->reg_offset[ip##_HWIP][inst][reg##_BASE_IDX] + reg) + offset, 0, ip##_HWIP) 70 71 #define WREG32_SOC15(ip, inst, reg, value) \ 72 __WREG32_SOC15_RLC__((adev->reg_offset[ip##_HWIP][inst][reg##_BASE_IDX] + reg), \ 73 value, 0, ip##_HWIP) 74 75 #define WREG32_SOC15_IP(ip, reg, value) \ 76 __WREG32_SOC15_RLC__(reg, value, 0, ip##_HWIP) 77 78 #define WREG32_SOC15_IP_NO_KIQ(ip, reg, value) \ 79 __WREG32_SOC15_RLC__(reg, value, AMDGPU_REGS_NO_KIQ, ip##_HWIP) 80 81 #define WREG32_SOC15_NO_KIQ(ip, inst, reg, value) \ 82 __WREG32_SOC15_RLC__(adev->reg_offset[ip##_HWIP][inst][reg##_BASE_IDX] + reg, \ 83 value, AMDGPU_REGS_NO_KIQ, ip##_HWIP) 84 85 #define WREG32_SOC15_OFFSET(ip, inst, reg, offset, value) \ 86 __WREG32_SOC15_RLC__((adev->reg_offset[ip##_HWIP][inst][reg##_BASE_IDX] + reg) + offset, \ 87 value, 0, ip##_HWIP) 88 89 #define SOC15_WAIT_ON_RREG(ip, inst, reg, expected_value, mask) \ 90 ({ int ret = 0; \ 91 do { \ 92 uint32_t old_ = 0; \ 93 uint32_t tmp_ = RREG32(adev->reg_offset[ip##_HWIP][inst][reg##_BASE_IDX] + reg); \ 94 uint32_t loop = adev->usec_timeout; \ 95 ret = 0; \ 96 while ((tmp_ & (mask)) != (expected_value)) { \ 97 if (old_ != tmp_) { \ 98 loop = adev->usec_timeout; \ 99 old_ = tmp_; \ 100 } else \ 101 udelay(1); \ 102 tmp_ = RREG32(adev->reg_offset[ip##_HWIP][inst][reg##_BASE_IDX] + reg); \ 103 loop--; \ 104 if (!loop) { \ 105 DRM_WARN("Register(%d) [%s] failed to reach value 0x%08x != 0x%08x\n", \ 106 inst, #reg, (unsigned)expected_value, (unsigned)(tmp_ & (mask))); \ 107 ret = -ETIMEDOUT; \ 108 break; \ 109 } \ 110 } \ 111 } while (0); \ 112 ret; \ 113 }) 114 115 #define WREG32_RLC(reg, value) \ 116 __WREG32_SOC15_RLC__(reg, value, AMDGPU_REGS_RLC, GC_HWIP) 117 118 #define WREG32_RLC_EX(prefix, reg, value) \ 119 do { \ 120 if (amdgpu_sriov_fullaccess(adev)) { \ 121 uint32_t i = 0; \ 122 uint32_t retries = 50000; \ 123 uint32_t r0 = adev->reg_offset[GC_HWIP][0][prefix##SCRATCH_REG0_BASE_IDX] + prefix##SCRATCH_REG0; \ 124 uint32_t r1 = adev->reg_offset[GC_HWIP][0][prefix##SCRATCH_REG1_BASE_IDX] + prefix##SCRATCH_REG1; \ 125 uint32_t spare_int = adev->reg_offset[GC_HWIP][0][prefix##RLC_SPARE_INT_BASE_IDX] + prefix##RLC_SPARE_INT; \ 126 WREG32(r0, value); \ 127 WREG32(r1, (reg | 0x80000000)); \ 128 WREG32(spare_int, 0x1); \ 129 for (i = 0; i < retries; i++) { \ 130 u32 tmp = RREG32(r1); \ 131 if (!(tmp & 0x80000000)) \ 132 break; \ 133 udelay(10); \ 134 } \ 135 if (i >= retries) \ 136 pr_err("timeout: rlcg program reg:0x%05x failed !\n", reg); \ 137 } else { \ 138 WREG32(reg, value); \ 139 } \ 140 } while (0) 141 142 /* shadow the registers in the callback function */ 143 #define WREG32_SOC15_RLC_SHADOW(ip, inst, reg, value) \ 144 __WREG32_SOC15_RLC__((adev->reg_offset[ip##_HWIP][inst][reg##_BASE_IDX] + reg), value, AMDGPU_REGS_RLC, GC_HWIP) 145 146 /* for GC only */ 147 #define RREG32_RLC(reg) \ 148 __RREG32_SOC15_RLC__(reg, AMDGPU_REGS_RLC, GC_HWIP) 149 150 #define WREG32_RLC_NO_KIQ(reg, value, hwip) \ 151 __WREG32_SOC15_RLC__(reg, value, AMDGPU_REGS_NO_KIQ | AMDGPU_REGS_RLC, hwip) 152 153 #define RREG32_RLC_NO_KIQ(reg, hwip) \ 154 __RREG32_SOC15_RLC__(reg, AMDGPU_REGS_NO_KIQ | AMDGPU_REGS_RLC, hwip) 155 156 #define WREG32_SOC15_RLC_SHADOW_EX(prefix, ip, inst, reg, value) \ 157 do { \ 158 uint32_t target_reg = adev->reg_offset[ip##_HWIP][inst][reg##_BASE_IDX] + reg;\ 159 if (amdgpu_sriov_fullaccess(adev)) { \ 160 uint32_t r2 = adev->reg_offset[GC_HWIP][0][prefix##SCRATCH_REG1_BASE_IDX] + prefix##SCRATCH_REG2; \ 161 uint32_t r3 = adev->reg_offset[GC_HWIP][0][prefix##SCRATCH_REG1_BASE_IDX] + prefix##SCRATCH_REG3; \ 162 uint32_t grbm_cntl = adev->reg_offset[GC_HWIP][0][prefix##GRBM_GFX_CNTL_BASE_IDX] + prefix##GRBM_GFX_CNTL; \ 163 uint32_t grbm_idx = adev->reg_offset[GC_HWIP][0][prefix##GRBM_GFX_INDEX_BASE_IDX] + prefix##GRBM_GFX_INDEX; \ 164 if (target_reg == grbm_cntl) \ 165 WREG32(r2, value); \ 166 else if (target_reg == grbm_idx) \ 167 WREG32(r3, value); \ 168 WREG32(target_reg, value); \ 169 } else { \ 170 WREG32(target_reg, value); \ 171 } \ 172 } while (0) 173 174 #define RREG32_SOC15_RLC(ip, inst, reg) \ 175 __RREG32_SOC15_RLC__(adev->reg_offset[ip##_HWIP][inst][reg##_BASE_IDX] + reg, AMDGPU_REGS_RLC, ip##_HWIP) 176 177 #define WREG32_SOC15_RLC(ip, inst, reg, value) \ 178 do { \ 179 uint32_t target_reg = adev->reg_offset[ip##_HWIP][0][reg##_BASE_IDX] + reg;\ 180 __WREG32_SOC15_RLC__(target_reg, value, AMDGPU_REGS_RLC, ip##_HWIP); \ 181 } while (0) 182 183 #define WREG32_SOC15_RLC_EX(prefix, ip, inst, reg, value) \ 184 do { \ 185 uint32_t target_reg = adev->reg_offset[GC_HWIP][0][reg##_BASE_IDX] + reg;\ 186 WREG32_RLC_EX(prefix, target_reg, value); \ 187 } while (0) 188 189 #define WREG32_FIELD15_RLC(ip, idx, reg, field, val) \ 190 __WREG32_SOC15_RLC__((adev->reg_offset[ip##_HWIP][idx][mm##reg##_BASE_IDX] + mm##reg), \ 191 (__RREG32_SOC15_RLC__(adev->reg_offset[ip##_HWIP][idx][mm##reg##_BASE_IDX] + mm##reg, \ 192 AMDGPU_REGS_RLC, ip##_HWIP) & \ 193 ~REG_FIELD_MASK(reg, field)) | (val) << REG_FIELD_SHIFT(reg, field), \ 194 AMDGPU_REGS_RLC, ip##_HWIP) 195 196 #define WREG32_SOC15_OFFSET_RLC(ip, inst, reg, offset, value) \ 197 __WREG32_SOC15_RLC__((adev->reg_offset[ip##_HWIP][inst][reg##_BASE_IDX] + reg) + offset, value, AMDGPU_REGS_RLC, ip##_HWIP) 198 199 #define RREG32_SOC15_OFFSET_RLC(ip, inst, reg, offset) \ 200 __RREG32_SOC15_RLC__((adev->reg_offset[ip##_HWIP][inst][reg##_BASE_IDX] + reg) + offset, AMDGPU_REGS_RLC, ip##_HWIP) 201 202 #endif 203