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/*
* Copyright 2016 Advanced Micro Devices, Inc.
*
* Permission is hereby granted, free of charge, to any person obtaining a
* copy of this software and associated documentation files (the "Software"),
* to deal in the Software without restriction, including without limitation
* the rights to use, copy, modify, merge, publish, distribute, sublicense,
* and/or sell copies of the Software, and to permit persons to whom the
* Software is furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included in
* all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
* THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR
* OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
* ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
* OTHER DEALINGS IN THE SOFTWARE.
*
*/
#ifndef __SOC15_COMMON_H__
#define __SOC15_COMMON_H__
/* Register Access Macros */
#define SOC15_REG_OFFSET(ip, inst, reg) (adev->reg_offset[ip##_HWIP][inst][reg##_BASE_IDX] + reg)
#define __WREG32_SOC15_RLC__(reg, value, flag, hwip) \
((amdgpu_sriov_vf(adev) && adev->gfx.rlc.funcs && adev->gfx.rlc.funcs->sriov_wreg) ? \
adev->gfx.rlc.funcs->sriov_wreg(adev, reg, value, flag, hwip) : \
WREG32(reg, value))
#define __RREG32_SOC15_RLC__(reg, flag, hwip) \
((amdgpu_sriov_vf(adev) && adev->gfx.rlc.funcs && adev->gfx.rlc.funcs->sriov_rreg) ? \
adev->gfx.rlc.funcs->sriov_rreg(adev, reg, flag, hwip) : \
RREG32(reg))
#define WREG32_FIELD15(ip, idx, reg, field, val) \
__WREG32_SOC15_RLC__(adev->reg_offset[ip##_HWIP][idx][mm##reg##_BASE_IDX] + mm##reg, \
(__RREG32_SOC15_RLC__( \
adev->reg_offset[ip##_HWIP][idx][mm##reg##_BASE_IDX] + mm##reg, \
0, ip##_HWIP) & \
~REG_FIELD_MASK(reg, field)) | (val) << REG_FIELD_SHIFT(reg, field), \
0, ip##_HWIP)
#define RREG32_SOC15(ip, inst, reg) \
__RREG32_SOC15_RLC__(adev->reg_offset[ip##_HWIP][inst][reg##_BASE_IDX] + reg, \
0, ip##_HWIP)
#define RREG32_SOC15_IP(ip, reg) __RREG32_SOC15_RLC__(reg, 0, ip##_HWIP)
#define RREG32_SOC15_NO_KIQ(ip, inst, reg) \
__RREG32_SOC15_RLC__(adev->reg_offset[ip##_HWIP][inst][reg##_BASE_IDX] + reg, \
AMDGPU_REGS_NO_KIQ, ip##_HWIP)
#define RREG32_SOC15_OFFSET(ip, inst, reg, offset) \
__RREG32_SOC15_RLC__((adev->reg_offset[ip##_HWIP][inst][reg##_BASE_IDX] + reg) + offset, 0, ip##_HWIP)
#define WREG32_SOC15(ip, inst, reg, value) \
__WREG32_SOC15_RLC__((adev->reg_offset[ip##_HWIP][inst][reg##_BASE_IDX] + reg), \
value, 0, ip##_HWIP)
#define WREG32_SOC15_IP(ip, reg, value) \
__WREG32_SOC15_RLC__(reg, value, 0, ip##_HWIP)
#define WREG32_SOC15_NO_KIQ(ip, inst, reg, value) \
__WREG32_SOC15_RLC__(adev->reg_offset[ip##_HWIP][inst][reg##_BASE_IDX] + reg, \
value, AMDGPU_REGS_NO_KIQ, ip##_HWIP)
#define WREG32_SOC15_OFFSET(ip, inst, reg, offset, value) \
__WREG32_SOC15_RLC__((adev->reg_offset[ip##_HWIP][inst][reg##_BASE_IDX] + reg) + offset, \
value, 0, ip##_HWIP)
#define SOC15_WAIT_ON_RREG(ip, inst, reg, expected_value, mask) \
({ int ret = 0; \
do { \
uint32_t old_ = 0; \
uint32_t tmp_ = RREG32(adev->reg_offset[ip##_HWIP][inst][reg##_BASE_IDX] + reg); \
uint32_t loop = adev->usec_timeout; \
ret = 0; \
while ((tmp_ & (mask)) != (expected_value)) { \
if (old_ != tmp_) { \
loop = adev->usec_timeout; \
old_ = tmp_; \
} else \
udelay(1); \
tmp_ = RREG32(adev->reg_offset[ip##_HWIP][inst][reg##_BASE_IDX] + reg); \
loop--; \
if (!loop) { \
DRM_WARN("Register(%d) [%s] failed to reach value 0x%08x != 0x%08x\n", \
inst, #reg, (unsigned)expected_value, (unsigned)(tmp_ & (mask))); \
ret = -ETIMEDOUT; \
break; \
} \
} \
} while (0); \
ret; \
})
#define WREG32_RLC(reg, value) \
__WREG32_SOC15_RLC__(reg, value, AMDGPU_REGS_RLC, GC_HWIP)
#define WREG32_RLC_EX(prefix, reg, value) \
do { \
if (amdgpu_sriov_fullaccess(adev)) { \
uint32_t i = 0; \
uint32_t retries = 50000; \
uint32_t r0 = adev->reg_offset[GC_HWIP][0][prefix##SCRATCH_REG0_BASE_IDX] + prefix##SCRATCH_REG0; \
uint32_t r1 = adev->reg_offset[GC_HWIP][0][prefix##SCRATCH_REG1_BASE_IDX] + prefix##SCRATCH_REG1; \
uint32_t spare_int = adev->reg_offset[GC_HWIP][0][prefix##RLC_SPARE_INT_BASE_IDX] + prefix##RLC_SPARE_INT; \
WREG32(r0, value); \
WREG32(r1, (reg | 0x80000000)); \
WREG32(spare_int, 0x1); \
for (i = 0; i < retries; i++) { \
u32 tmp = RREG32(r1); \
if (!(tmp & 0x80000000)) \
break; \
udelay(10); \
} \
if (i >= retries) \
pr_err("timeout: rlcg program reg:0x%05x failed !\n", reg); \
} else { \
WREG32(reg, value); \
} \
} while (0)
/* shadow the registers in the callback function */
#define WREG32_SOC15_RLC_SHADOW(ip, inst, reg, value) \
__WREG32_SOC15_RLC__((adev->reg_offset[ip##_HWIP][inst][reg##_BASE_IDX] + reg), value, AMDGPU_REGS_RLC, GC_HWIP)
/* for GC only */
#define RREG32_RLC(reg) \
__RREG32_SOC15_RLC__(reg, AMDGPU_REGS_RLC, GC_HWIP)
#define WREG32_RLC_NO_KIQ(reg, value, hwip) \
__WREG32_SOC15_RLC__(reg, value, AMDGPU_REGS_NO_KIQ | AMDGPU_REGS_RLC, hwip)
#define RREG32_RLC_NO_KIQ(reg, hwip) \
__RREG32_SOC15_RLC__(reg, AMDGPU_REGS_NO_KIQ | AMDGPU_REGS_RLC, hwip)
#define WREG32_SOC15_RLC_SHADOW_EX(prefix, ip, inst, reg, value) \
do { \
uint32_t target_reg = adev->reg_offset[ip##_HWIP][inst][reg##_BASE_IDX] + reg;\
if (amdgpu_sriov_fullaccess(adev)) { \
uint32_t r2 = adev->reg_offset[GC_HWIP][0][prefix##SCRATCH_REG1_BASE_IDX] + prefix##SCRATCH_REG2; \
uint32_t r3 = adev->reg_offset[GC_HWIP][0][prefix##SCRATCH_REG1_BASE_IDX] + prefix##SCRATCH_REG3; \
uint32_t grbm_cntl = adev->reg_offset[GC_HWIP][0][prefix##GRBM_GFX_CNTL_BASE_IDX] + prefix##GRBM_GFX_CNTL; \
uint32_t grbm_idx = adev->reg_offset[GC_HWIP][0][prefix##GRBM_GFX_INDEX_BASE_IDX] + prefix##GRBM_GFX_INDEX; \
if (target_reg == grbm_cntl) \
WREG32(r2, value); \
else if (target_reg == grbm_idx) \
WREG32(r3, value); \
WREG32(target_reg, value); \
} else { \
WREG32(target_reg, value); \
} \
} while (0)
#define RREG32_SOC15_RLC(ip, inst, reg) \
__RREG32_SOC15_RLC__(adev->reg_offset[ip##_HWIP][inst][reg##_BASE_IDX] + reg, AMDGPU_REGS_RLC, ip##_HWIP)
#define WREG32_SOC15_RLC(ip, inst, reg, value) \
do { \
uint32_t target_reg = adev->reg_offset[ip##_HWIP][0][reg##_BASE_IDX] + reg;\
__WREG32_SOC15_RLC__(target_reg, value, AMDGPU_REGS_RLC, ip##_HWIP); \
} while (0)
#define WREG32_SOC15_RLC_EX(prefix, ip, inst, reg, value) \
do { \
uint32_t target_reg = adev->reg_offset[GC_HWIP][0][reg##_BASE_IDX] + reg;\
WREG32_RLC_EX(prefix, target_reg, value); \
} while (0)
#define WREG32_FIELD15_RLC(ip, idx, reg, field, val) \
__WREG32_SOC15_RLC__((adev->reg_offset[ip##_HWIP][idx][mm##reg##_BASE_IDX] + mm##reg), \
(__RREG32_SOC15_RLC__(adev->reg_offset[ip##_HWIP][idx][mm##reg##_BASE_IDX] + mm##reg, \
AMDGPU_REGS_RLC, ip##_HWIP) & \
~REG_FIELD_MASK(reg, field)) | (val) << REG_FIELD_SHIFT(reg, field), \
AMDGPU_REGS_RLC, ip##_HWIP)
#define WREG32_SOC15_OFFSET_RLC(ip, inst, reg, offset, value) \
__WREG32_SOC15_RLC__((adev->reg_offset[ip##_HWIP][inst][reg##_BASE_IDX] + reg) + offset, value, AMDGPU_REGS_RLC, ip##_HWIP)
#define RREG32_SOC15_OFFSET_RLC(ip, inst, reg, offset) \
__RREG32_SOC15_RLC__((adev->reg_offset[ip##_HWIP][inst][reg##_BASE_IDX] + reg) + offset, AMDGPU_REGS_RLC, ip##_HWIP)
#endif
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