xref: /linux/drivers/gpu/drm/amd/amdgpu/soc15_common.h (revision ac06b4cfd78b79ec6c8306062801a4276a3e0c79)
18e3153baSKen Wang /*
28e3153baSKen Wang  * Copyright 2016 Advanced Micro Devices, Inc.
38e3153baSKen Wang  *
48e3153baSKen Wang  * Permission is hereby granted, free of charge, to any person obtaining a
58e3153baSKen Wang  * copy of this software and associated documentation files (the "Software"),
68e3153baSKen Wang  * to deal in the Software without restriction, including without limitation
78e3153baSKen Wang  * the rights to use, copy, modify, merge, publish, distribute, sublicense,
88e3153baSKen Wang  * and/or sell copies of the Software, and to permit persons to whom the
98e3153baSKen Wang  * Software is furnished to do so, subject to the following conditions:
108e3153baSKen Wang  *
118e3153baSKen Wang  * The above copyright notice and this permission notice shall be included in
128e3153baSKen Wang  * all copies or substantial portions of the Software.
138e3153baSKen Wang  *
148e3153baSKen Wang  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
158e3153baSKen Wang  * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
168e3153baSKen Wang  * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
178e3153baSKen Wang  * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR
188e3153baSKen Wang  * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
198e3153baSKen Wang  * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
208e3153baSKen Wang  * OTHER DEALINGS IN THE SOFTWARE.
218e3153baSKen Wang  *
228e3153baSKen Wang  */
238e3153baSKen Wang 
248e3153baSKen Wang #ifndef __SOC15_COMMON_H__
258e3153baSKen Wang #define __SOC15_COMMON_H__
268e3153baSKen Wang 
27b1bb8c01STom St Denis /* Register Access Macros */
28cd29253fSShaoyun Liu #define SOC15_REG_OFFSET(ip, inst, reg)	(adev->reg_offset[ip##_HWIP][inst][reg##_BASE_IDX] + reg)
298e3153baSKen Wang 
30b1bb8c01STom St Denis #define WREG32_FIELD15(ip, idx, reg, field, val)	\
31b466107eSShaoyun Liu 	WREG32(adev->reg_offset[ip##_HWIP][idx][mm##reg##_BASE_IDX] + mm##reg,	\
32b466107eSShaoyun Liu 	(RREG32(adev->reg_offset[ip##_HWIP][idx][mm##reg##_BASE_IDX] + mm##reg)	\
33b466107eSShaoyun Liu 	& ~REG_FIELD_MASK(reg, field)) | (val) << REG_FIELD_SHIFT(reg, field))
34b1bb8c01STom St Denis 
35b1bb8c01STom St Denis #define RREG32_SOC15(ip, inst, reg) \
36b466107eSShaoyun Liu 	RREG32(adev->reg_offset[ip##_HWIP][inst][reg##_BASE_IDX] + reg)
37b1bb8c01STom St Denis 
38496828e7STom St Denis #define RREG32_SOC15_OFFSET(ip, inst, reg, offset) \
39b466107eSShaoyun Liu 	RREG32((adev->reg_offset[ip##_HWIP][inst][reg##_BASE_IDX] + reg) + offset)
40496828e7STom St Denis 
41b1bb8c01STom St Denis #define WREG32_SOC15(ip, inst, reg, value) \
42b466107eSShaoyun Liu 	WREG32((adev->reg_offset[ip##_HWIP][inst][reg##_BASE_IDX] + reg), value)
43b1bb8c01STom St Denis 
44c708535eSShaoyun Liu #define WREG32_SOC15_NO_KIQ(ip, inst, reg, value) \
45b466107eSShaoyun Liu 	WREG32_NO_KIQ((adev->reg_offset[ip##_HWIP][inst][reg##_BASE_IDX] + reg), value)
46c708535eSShaoyun Liu 
47496828e7STom St Denis #define WREG32_SOC15_OFFSET(ip, inst, reg, offset, value) \
48b466107eSShaoyun Liu 	WREG32((adev->reg_offset[ip##_HWIP][inst][reg##_BASE_IDX] + reg) + offset, value)
49496828e7STom St Denis 
50*ac06b4cfSRex Zhu #define SOC15_WAIT_ON_RREG(ip, inst, reg, expected_value, mask, ret) \
51*ac06b4cfSRex Zhu 	do {							\
52*ac06b4cfSRex Zhu 		uint32_t tmp_ = RREG32(adev->reg_offset[ip##_HWIP][inst][reg##_BASE_IDX] + reg); \
53*ac06b4cfSRex Zhu 		uint32_t loop = adev->usec_timeout;		\
54*ac06b4cfSRex Zhu 		while ((tmp_ & (mask)) != (expected_value)) {	\
55*ac06b4cfSRex Zhu 			udelay(2);				\
56*ac06b4cfSRex Zhu 			tmp_ = RREG32(adev->reg_offset[ip##_HWIP][inst][reg##_BASE_IDX] + reg); \
57*ac06b4cfSRex Zhu 			loop--;					\
58*ac06b4cfSRex Zhu 			if (!loop) {				\
59*ac06b4cfSRex Zhu 				ret = -ETIMEDOUT;		\
60*ac06b4cfSRex Zhu 				break;				\
61*ac06b4cfSRex Zhu 			}					\
62*ac06b4cfSRex Zhu 		}						\
63*ac06b4cfSRex Zhu 	} while (0)
64*ac06b4cfSRex Zhu 
658e3153baSKen Wang #endif
668e3153baSKen Wang 
678e3153baSKen Wang 
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