xref: /openbmc/linux/drivers/gpu/drm/amd/amdgpu/soc15_common.h (revision 8ed49dd1)

/*
 * 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__

/* GET_INST returns the physical instance corresponding to a logical instance */
#define GET_INST(ip, inst) \
	(adev->ip_map.logical_to_dev_inst ? \
	adev->ip_map.logical_to_dev_inst(adev, ip##_HWIP, inst) : inst)
#define GET_MASK(ip, mask) \
	(adev->ip_map.logical_to_dev_mask ? \
	adev->ip_map.logical_to_dev_mask(adev, ip##_HWIP, mask) : mask)

/* Register Access Macros */
#define SOC15_REG_OFFSET(ip, inst, reg)	(adev->reg_offset[ip##_HWIP][inst][reg##_BASE_IDX] + reg)
#define SOC15_REG_OFFSET1(ip, inst, reg, offset) \
	(adev->reg_offset[ip##_HWIP][inst][reg##_BASE_IDX] + (reg)+(offset))

#define __WREG32_SOC15_RLC__(reg, value, flag, hwip, inst) \
	((amdgpu_sriov_vf(adev) && adev->gfx.rlc.funcs && adev->gfx.rlc.rlcg_reg_access_supported) ? \
	 amdgpu_sriov_wreg(adev, reg, value, flag, hwip, inst) : \
	 WREG32(reg, value))

#define __RREG32_SOC15_RLC__(reg, flag, hwip, inst) \
	((amdgpu_sriov_vf(adev) && adev->gfx.rlc.funcs && adev->gfx.rlc.rlcg_reg_access_supported) ? \
	 amdgpu_sriov_rreg(adev, reg, flag, hwip, inst) : \
	 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, idx) & \
				~REG_FIELD_MASK(reg, field)) | (val) << REG_FIELD_SHIFT(reg, field), \
			      0, ip##_HWIP, idx)

#define WREG32_FIELD15_PREREG(ip, idx, reg_name, field, val)        \
	__WREG32_SOC15_RLC__(adev->reg_offset[ip##_HWIP][idx][reg##reg_name##_BASE_IDX] + reg##reg_name,   \
			(__RREG32_SOC15_RLC__( \
					adev->reg_offset[ip##_HWIP][idx][reg##reg_name##_BASE_IDX] + reg##reg_name, \
					0, ip##_HWIP, idx) & \
					~REG_FIELD_MASK(reg_name, field)) | (val) << REG_FIELD_SHIFT(reg_name, field), \
			0, ip##_HWIP, idx)

#define RREG32_SOC15(ip, inst, reg) \
	__RREG32_SOC15_RLC__(adev->reg_offset[ip##_HWIP][inst][reg##_BASE_IDX] + reg, \
			 0, ip##_HWIP, inst)

#define RREG32_SOC15_IP(ip, reg) __RREG32_SOC15_RLC__(reg, 0, ip##_HWIP, 0)

#define RREG32_SOC15_IP_NO_KIQ(ip, reg) __RREG32_SOC15_RLC__(reg, AMDGPU_REGS_NO_KIQ, ip##_HWIP, 0)

#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, inst)

#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, inst)

#define WREG32_SOC15(ip, inst, reg, value) \
	 __WREG32_SOC15_RLC__((adev->reg_offset[ip##_HWIP][inst][reg##_BASE_IDX] + reg), \
			  value, 0, ip##_HWIP, inst)

#define WREG32_SOC15_IP(ip, reg, value) \
	 __WREG32_SOC15_RLC__(reg, value, 0, ip##_HWIP, 0)

#define WREG32_SOC15_IP_NO_KIQ(ip, reg, value) \
	 __WREG32_SOC15_RLC__(reg, value, AMDGPU_REGS_NO_KIQ, ip##_HWIP, 0)

#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, inst)

#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, inst)

#define SOC15_WAIT_ON_RREG(ip, inst, reg, expected_value, mask)      \
	amdgpu_device_wait_on_rreg(adev, inst,                       \
	(adev->reg_offset[ip##_HWIP][inst][reg##_BASE_IDX] + (reg)), \
	#reg, expected_value, mask)

#define SOC15_WAIT_ON_RREG_OFFSET(ip, inst, reg, offset, expected_value, mask)  \
	amdgpu_device_wait_on_rreg(adev, inst,                                  \
	(adev->reg_offset[ip##_HWIP][inst][reg##_BASE_IDX] + (reg) + (offset)), \
	#reg, expected_value, mask)

#define WREG32_RLC(reg, value) \
	__WREG32_SOC15_RLC__(reg, value, AMDGPU_REGS_RLC, GC_HWIP, 0)

#define WREG32_RLC_EX(prefix, reg, value, inst) \
	do {							\
		if (amdgpu_sriov_fullaccess(adev)) {    \
			uint32_t i = 0;	\
			uint32_t retries = 50000;	\
			uint32_t r0 = adev->reg_offset[GC_HWIP][inst][prefix##SCRATCH_REG0_BASE_IDX] + prefix##SCRATCH_REG0;	\
			uint32_t r1 = adev->reg_offset[GC_HWIP][inst][prefix##SCRATCH_REG1_BASE_IDX] + prefix##SCRATCH_REG1;	\
			uint32_t spare_int = adev->reg_offset[GC_HWIP][inst][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, inst)

/* 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, 0)

#define RREG32_RLC_NO_KIQ(reg, hwip) \
	__RREG32_SOC15_RLC__(reg, AMDGPU_REGS_NO_KIQ | AMDGPU_REGS_RLC, hwip, 0)

#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][inst][prefix##SCRATCH_REG1_BASE_IDX] + prefix##SCRATCH_REG2;	\
			uint32_t r3 = adev->reg_offset[GC_HWIP][inst][prefix##SCRATCH_REG1_BASE_IDX] + prefix##SCRATCH_REG3;	\
			uint32_t grbm_cntl = adev->reg_offset[GC_HWIP][inst][prefix##GRBM_GFX_CNTL_BASE_IDX] + prefix##GRBM_GFX_CNTL;   \
			uint32_t grbm_idx = adev->reg_offset[GC_HWIP][inst][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, inst)

#define WREG32_SOC15_RLC(ip, inst, reg, value) \
	do {							\
		uint32_t target_reg = adev->reg_offset[ip##_HWIP][inst][reg##_BASE_IDX] + reg;\
		__WREG32_SOC15_RLC__(target_reg, value, AMDGPU_REGS_RLC, ip##_HWIP, inst); \
	} while (0)

#define WREG32_SOC15_RLC_EX(prefix, ip, inst, reg, value) \
	do {							\
			uint32_t target_reg = adev->reg_offset[GC_HWIP][inst][reg##_BASE_IDX] + reg;\
			WREG32_RLC_EX(prefix, target_reg, value, inst); \
	} 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, idx) & \
			      ~REG_FIELD_MASK(reg, field)) | (val) << REG_FIELD_SHIFT(reg, field), \
			     AMDGPU_REGS_RLC, ip##_HWIP, idx)

#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, inst)

#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, inst)

/* inst equals to ext for some IPs */
#define RREG32_SOC15_EXT(ip, inst, reg, ext) \
	RREG32_PCIE_EXT((adev->reg_offset[ip##_HWIP][inst][reg##_BASE_IDX] + reg) * 4 \
			+ adev->asic_funcs->encode_ext_smn_addressing(ext)) \

#define WREG32_SOC15_EXT(ip, inst, reg, ext, value) \
	WREG32_PCIE_EXT((adev->reg_offset[ip##_HWIP][inst][reg##_BASE_IDX] + reg) * 4 \
			+ adev->asic_funcs->encode_ext_smn_addressing(ext), \
			value) \

#endif