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 __AMDGPU_VCN_H__
25 #define __AMDGPU_VCN_H__
26 
27 #define AMDGPU_VCN_STACK_SIZE		(128*1024)
28 #define AMDGPU_VCN_CONTEXT_SIZE 	(512*1024)
29 
30 #define AMDGPU_VCN_FIRMWARE_OFFSET	256
31 #define AMDGPU_VCN_MAX_ENC_RINGS	3
32 
33 #define VCN_DEC_KMD_CMD 		0x80000000
34 #define VCN_DEC_CMD_FENCE		0x00000000
35 #define VCN_DEC_CMD_TRAP		0x00000001
36 #define VCN_DEC_CMD_WRITE_REG		0x00000004
37 #define VCN_DEC_CMD_REG_READ_COND_WAIT	0x00000006
38 #define VCN_DEC_CMD_PACKET_START	0x0000000a
39 #define VCN_DEC_CMD_PACKET_END		0x0000000b
40 
41 #define VCN_ENC_CMD_NO_OP		0x00000000
42 #define VCN_ENC_CMD_END 		0x00000001
43 #define VCN_ENC_CMD_IB			0x00000002
44 #define VCN_ENC_CMD_FENCE		0x00000003
45 #define VCN_ENC_CMD_TRAP		0x00000004
46 #define VCN_ENC_CMD_REG_WRITE		0x0000000b
47 #define VCN_ENC_CMD_REG_WAIT		0x0000000c
48 
49 #define VCN_VID_SOC_ADDRESS_2_0 	0x1fa00
50 #define VCN_AON_SOC_ADDRESS_2_0 	0x1f800
51 #define VCN_VID_IP_ADDRESS_2_0		0x0
52 #define VCN_AON_IP_ADDRESS_2_0		0x30000
53 
54 #define RREG32_SOC15_DPG_MODE(ip, inst, reg, mask, sram_sel) 				\
55 	({	WREG32_SOC15(ip, inst, mmUVD_DPG_LMA_MASK, mask); 			\
56 		WREG32_SOC15(ip, inst, mmUVD_DPG_LMA_CTL, 				\
57 			UVD_DPG_LMA_CTL__MASK_EN_MASK | 				\
58 			((adev->reg_offset[ip##_HWIP][inst][reg##_BASE_IDX] + reg) 	\
59 			<< UVD_DPG_LMA_CTL__READ_WRITE_ADDR__SHIFT) | 			\
60 			(sram_sel << UVD_DPG_LMA_CTL__SRAM_SEL__SHIFT)); 		\
61 		RREG32_SOC15(ip, inst, mmUVD_DPG_LMA_DATA); 				\
62 	})
63 
64 #define WREG32_SOC15_DPG_MODE(ip, inst, reg, value, mask, sram_sel) 			\
65 	do { 										\
66 		WREG32_SOC15(ip, inst, mmUVD_DPG_LMA_DATA, value); 			\
67 		WREG32_SOC15(ip, inst, mmUVD_DPG_LMA_MASK, mask); 			\
68 		WREG32_SOC15(ip, inst, mmUVD_DPG_LMA_CTL, 				\
69 			UVD_DPG_LMA_CTL__READ_WRITE_MASK | 				\
70 			((adev->reg_offset[ip##_HWIP][inst][reg##_BASE_IDX] + reg) 	\
71 			<< UVD_DPG_LMA_CTL__READ_WRITE_ADDR__SHIFT) | 			\
72 			(sram_sel << UVD_DPG_LMA_CTL__SRAM_SEL__SHIFT)); 		\
73 	} while (0)
74 
75 #define SOC15_DPG_MODE_OFFSET_2_0(ip, inst, reg) 						\
76 	({											\
77 		uint32_t internal_reg_offset, addr;						\
78 		bool video_range, aon_range;							\
79 												\
80 		addr = (adev->reg_offset[ip##_HWIP][inst][reg##_BASE_IDX] + reg);		\
81 		addr <<= 2; 									\
82 		video_range = ((((0xFFFFF & addr) >= (VCN_VID_SOC_ADDRESS_2_0)) && 		\
83 				((0xFFFFF & addr) < ((VCN_VID_SOC_ADDRESS_2_0 + 0x2600)))));	\
84 		aon_range   = ((((0xFFFFF & addr) >= (VCN_AON_SOC_ADDRESS_2_0)) && 		\
85 				((0xFFFFF & addr) < ((VCN_AON_SOC_ADDRESS_2_0 + 0x600)))));	\
86 		if (video_range) 								\
87 			internal_reg_offset = ((0xFFFFF & addr) - (VCN_VID_SOC_ADDRESS_2_0) + 	\
88 				(VCN_VID_IP_ADDRESS_2_0));					\
89 		else if (aon_range)								\
90 			internal_reg_offset = ((0xFFFFF & addr) - (VCN_AON_SOC_ADDRESS_2_0) + 	\
91 				(VCN_AON_IP_ADDRESS_2_0));					\
92 		else										\
93 			internal_reg_offset = (0xFFFFF & addr);					\
94 												\
95 		internal_reg_offset >>= 2;							\
96 	})
97 
98 #define RREG32_SOC15_DPG_MODE_2_0(offset, mask_en) 						\
99 	({ 											\
100 		WREG32_SOC15(VCN, 0, mmUVD_DPG_LMA_CTL, 					\
101 			(0x0 << UVD_DPG_LMA_CTL__READ_WRITE__SHIFT | 				\
102 			mask_en << UVD_DPG_LMA_CTL__MASK_EN__SHIFT | 				\
103 			offset << UVD_DPG_LMA_CTL__READ_WRITE_ADDR__SHIFT)); 			\
104 		RREG32_SOC15(VCN, 0, mmUVD_DPG_LMA_DATA); 					\
105 	})
106 
107 #define WREG32_SOC15_DPG_MODE_2_0(offset, value, mask_en, indirect)				\
108 	do { 											\
109 		if (!indirect) { 								\
110 			WREG32_SOC15(VCN, 0, mmUVD_DPG_LMA_DATA, value); 			\
111 			WREG32_SOC15(VCN, 0, mmUVD_DPG_LMA_CTL, 				\
112 				(0x1 << UVD_DPG_LMA_CTL__READ_WRITE__SHIFT | 			\
113 				 mask_en << UVD_DPG_LMA_CTL__MASK_EN__SHIFT | 			\
114 				 offset << UVD_DPG_LMA_CTL__READ_WRITE_ADDR__SHIFT)); 		\
115 		} else { 									\
116 			*adev->vcn.dpg_sram_curr_addr++ = offset; 				\
117 			*adev->vcn.dpg_sram_curr_addr++ = value; 				\
118 		} 										\
119 	} while (0)
120 
121 enum engine_status_constants {
122 	UVD_PGFSM_STATUS__UVDM_UVDU_PWR_ON = 0x2AAAA0,
123 	UVD_PGFSM_STATUS__UVDM_UVDU_PWR_ON_2_0 = 0xAAAA0,
124 	UVD_PGFSM_CONFIG__UVDM_UVDU_PWR_ON = 0x00000002,
125 	UVD_STATUS__UVD_BUSY = 0x00000004,
126 	GB_ADDR_CONFIG_DEFAULT = 0x26010011,
127 	UVD_STATUS__IDLE = 0x2,
128 	UVD_STATUS__BUSY = 0x5,
129 	UVD_POWER_STATUS__UVD_POWER_STATUS_TILES_OFF = 0x1,
130 	UVD_STATUS__RBC_BUSY = 0x1,
131 	UVD_PGFSM_STATUS_UVDJ_PWR_ON = 0,
132 };
133 
134 enum internal_dpg_state {
135 	VCN_DPG_STATE__UNPAUSE = 0,
136 	VCN_DPG_STATE__PAUSE,
137 };
138 
139 struct dpg_pause_state {
140 	enum internal_dpg_state fw_based;
141 	enum internal_dpg_state jpeg;
142 };
143 
144 struct amdgpu_vcn_reg{
145 	unsigned	data0;
146 	unsigned	data1;
147 	unsigned	cmd;
148 	unsigned	nop;
149 	unsigned	scratch9;
150 	unsigned	jpeg_pitch;
151 };
152 
153 struct amdgpu_vcn {
154 	struct amdgpu_bo	*vcpu_bo;
155 	void			*cpu_addr;
156 	uint64_t		gpu_addr;
157 	unsigned		fw_version;
158 	void			*saved_bo;
159 	struct delayed_work	idle_work;
160 	const struct firmware	*fw;	/* VCN firmware */
161 	struct amdgpu_ring	ring_dec;
162 	struct amdgpu_ring	ring_enc[AMDGPU_VCN_MAX_ENC_RINGS];
163 	struct amdgpu_ring	ring_jpeg;
164 	struct amdgpu_irq_src	irq;
165 	unsigned		num_enc_rings;
166 	enum amd_powergating_state cur_state;
167 	struct dpg_pause_state pause_state;
168 	struct amdgpu_vcn_reg	internal, external;
169 	int (*pause_dpg_mode)(struct amdgpu_device *adev,
170 		struct dpg_pause_state *new_state);
171 
172 	bool			indirect_sram;
173 	struct amdgpu_bo	*dpg_sram_bo;
174 	void			*dpg_sram_cpu_addr;
175 	uint64_t		dpg_sram_gpu_addr;
176 	uint32_t		*dpg_sram_curr_addr;
177 };
178 
179 int amdgpu_vcn_sw_init(struct amdgpu_device *adev);
180 int amdgpu_vcn_sw_fini(struct amdgpu_device *adev);
181 int amdgpu_vcn_suspend(struct amdgpu_device *adev);
182 int amdgpu_vcn_resume(struct amdgpu_device *adev);
183 void amdgpu_vcn_ring_begin_use(struct amdgpu_ring *ring);
184 void amdgpu_vcn_ring_end_use(struct amdgpu_ring *ring);
185 
186 int amdgpu_vcn_dec_ring_test_ring(struct amdgpu_ring *ring);
187 int amdgpu_vcn_dec_ring_test_ib(struct amdgpu_ring *ring, long timeout);
188 
189 int amdgpu_vcn_enc_ring_test_ring(struct amdgpu_ring *ring);
190 int amdgpu_vcn_enc_ring_test_ib(struct amdgpu_ring *ring, long timeout);
191 
192 int amdgpu_vcn_jpeg_ring_test_ring(struct amdgpu_ring *ring);
193 int amdgpu_vcn_jpeg_ring_test_ib(struct amdgpu_ring *ring, long timeout);
194 
195 #endif
196