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_FIELD15(ip, idx, reg, field, val)	\
31 	WREG32(adev->reg_offset[ip##_HWIP][idx][mm##reg##_BASE_IDX] + mm##reg,	\
32 	(RREG32(adev->reg_offset[ip##_HWIP][idx][mm##reg##_BASE_IDX] + mm##reg)	\
33 	& ~REG_FIELD_MASK(reg, field)) | (val) << REG_FIELD_SHIFT(reg, field))
34 
35 #define RREG32_SOC15(ip, inst, reg) \
36 	RREG32(adev->reg_offset[ip##_HWIP][inst][reg##_BASE_IDX] + reg)
37 
38 #define RREG32_SOC15_OFFSET(ip, inst, reg, offset) \
39 	RREG32((adev->reg_offset[ip##_HWIP][inst][reg##_BASE_IDX] + reg) + offset)
40 
41 #define WREG32_SOC15(ip, inst, reg, value) \
42 	WREG32((adev->reg_offset[ip##_HWIP][inst][reg##_BASE_IDX] + reg), value)
43 
44 #define WREG32_SOC15_NO_KIQ(ip, inst, reg, value) \
45 	WREG32_NO_KIQ((adev->reg_offset[ip##_HWIP][inst][reg##_BASE_IDX] + reg), value)
46 
47 #define WREG32_SOC15_OFFSET(ip, inst, reg, offset, value) \
48 	WREG32((adev->reg_offset[ip##_HWIP][inst][reg##_BASE_IDX] + reg) + offset, value)
49 
50 #define SOC15_WAIT_ON_RREG(ip, inst, reg, expected_value, mask, ret) \
51 	do {							\
52 		uint32_t old_ = 0;	\
53 		uint32_t tmp_ = RREG32(adev->reg_offset[ip##_HWIP][inst][reg##_BASE_IDX] + reg); \
54 		uint32_t loop = adev->usec_timeout;		\
55 		while ((tmp_ & (mask)) != (expected_value)) {	\
56 			if (old_ != tmp_) {			\
57 				loop = adev->usec_timeout;	\
58 				old_ = tmp_;				\
59 			} else						\
60 				udelay(1);				\
61 			tmp_ = RREG32(adev->reg_offset[ip##_HWIP][inst][reg##_BASE_IDX] + reg); \
62 			loop--;					\
63 			if (!loop) {				\
64 				DRM_WARN("Register(%d) [%s] failed to reach value 0x%08x != 0x%08x\n", \
65 					  inst, #reg, (unsigned)expected_value, (unsigned)(tmp_ & (mask))); \
66 				ret = -ETIMEDOUT;		\
67 				break;				\
68 			}					\
69 		}						\
70 	} while (0)
71 
72 #define RREG32_SOC15_DPG_MODE(ip, inst, reg, mask, sram_sel) 	\
73 		({ WREG32_SOC15(ip, inst, mmUVD_DPG_LMA_MASK, mask); \
74 			WREG32_SOC15(ip, inst, mmUVD_DPG_LMA_CTL,	\
75 				UVD_DPG_LMA_CTL__MASK_EN_MASK |				\
76 				((adev->reg_offset[ip##_HWIP][inst][reg##_BASE_IDX] + reg) \
77 				<< UVD_DPG_LMA_CTL__READ_WRITE_ADDR__SHIFT) | \
78 				(sram_sel << UVD_DPG_LMA_CTL__SRAM_SEL__SHIFT));	\
79 			RREG32_SOC15(ip, inst, mmUVD_DPG_LMA_DATA); })
80 
81 #define WREG32_SOC15_DPG_MODE(ip, inst, reg, value, mask, sram_sel)	\
82 	do {							\
83 		WREG32_SOC15(ip, inst, mmUVD_DPG_LMA_DATA, value);	\
84 		WREG32_SOC15(ip, inst, mmUVD_DPG_LMA_MASK, mask);		\
85 		WREG32_SOC15(ip, inst, mmUVD_DPG_LMA_CTL,	\
86 			UVD_DPG_LMA_CTL__READ_WRITE_MASK |	\
87 			((adev->reg_offset[ip##_HWIP][inst][reg##_BASE_IDX] + reg) \
88 			<< UVD_DPG_LMA_CTL__READ_WRITE_ADDR__SHIFT) |	\
89 			(sram_sel << UVD_DPG_LMA_CTL__SRAM_SEL__SHIFT)); \
90 	} while (0)
91 
92 #endif
93 
94 
95