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_CMD_FENCE		0x00000000
34 #define VCN_DEC_CMD_TRAP		0x00000001
35 #define VCN_DEC_CMD_WRITE_REG		0x00000004
36 #define VCN_DEC_CMD_REG_READ_COND_WAIT	0x00000006
37 #define VCN_DEC_CMD_PACKET_START	0x0000000a
38 #define VCN_DEC_CMD_PACKET_END		0x0000000b
39 
40 #define VCN_ENC_CMD_NO_OP		0x00000000
41 #define VCN_ENC_CMD_END 		0x00000001
42 #define VCN_ENC_CMD_IB			0x00000002
43 #define VCN_ENC_CMD_FENCE		0x00000003
44 #define VCN_ENC_CMD_TRAP		0x00000004
45 #define VCN_ENC_CMD_REG_WRITE		0x0000000b
46 #define VCN_ENC_CMD_REG_WAIT		0x0000000c
47 
48 #define RREG32_SOC15_DPG_MODE(ip, inst, reg, mask, sram_sel) 				\
49 	({	WREG32_SOC15(ip, inst, mmUVD_DPG_LMA_MASK, mask); 			\
50 		WREG32_SOC15(ip, inst, mmUVD_DPG_LMA_CTL, 				\
51 			UVD_DPG_LMA_CTL__MASK_EN_MASK | 				\
52 			((adev->reg_offset[ip##_HWIP][inst][reg##_BASE_IDX] + reg) 	\
53 			<< UVD_DPG_LMA_CTL__READ_WRITE_ADDR__SHIFT) | 			\
54 			(sram_sel << UVD_DPG_LMA_CTL__SRAM_SEL__SHIFT)); 		\
55 		RREG32_SOC15(ip, inst, mmUVD_DPG_LMA_DATA); 				\
56 	})
57 
58 #define WREG32_SOC15_DPG_MODE(ip, inst, reg, value, mask, sram_sel) 			\
59 	do { 										\
60 		WREG32_SOC15(ip, inst, mmUVD_DPG_LMA_DATA, value); 			\
61 		WREG32_SOC15(ip, inst, mmUVD_DPG_LMA_MASK, mask); 			\
62 		WREG32_SOC15(ip, inst, mmUVD_DPG_LMA_CTL, 				\
63 			UVD_DPG_LMA_CTL__READ_WRITE_MASK | 				\
64 			((adev->reg_offset[ip##_HWIP][inst][reg##_BASE_IDX] + reg) 	\
65 			<< UVD_DPG_LMA_CTL__READ_WRITE_ADDR__SHIFT) | 			\
66 			(sram_sel << UVD_DPG_LMA_CTL__SRAM_SEL__SHIFT)); 		\
67 	} while (0)
68 
69 enum engine_status_constants {
70 	UVD_PGFSM_STATUS__UVDM_UVDU_PWR_ON = 0x2AAAA0,
71 	UVD_PGFSM_CONFIG__UVDM_UVDU_PWR_ON = 0x00000002,
72 	UVD_STATUS__UVD_BUSY = 0x00000004,
73 	GB_ADDR_CONFIG_DEFAULT = 0x26010011,
74 	UVD_STATUS__IDLE = 0x2,
75 	UVD_STATUS__BUSY = 0x5,
76 	UVD_POWER_STATUS__UVD_POWER_STATUS_TILES_OFF = 0x1,
77 	UVD_STATUS__RBC_BUSY = 0x1,
78 };
79 
80 enum internal_dpg_state {
81 	VCN_DPG_STATE__UNPAUSE = 0,
82 	VCN_DPG_STATE__PAUSE,
83 };
84 
85 struct dpg_pause_state {
86 	enum internal_dpg_state fw_based;
87 	enum internal_dpg_state jpeg;
88 };
89 
90 struct amdgpu_vcn {
91 	struct amdgpu_bo	*vcpu_bo;
92 	void			*cpu_addr;
93 	uint64_t		gpu_addr;
94 	unsigned		fw_version;
95 	void			*saved_bo;
96 	struct delayed_work	idle_work;
97 	const struct firmware	*fw;	/* VCN firmware */
98 	struct amdgpu_ring	ring_dec;
99 	struct amdgpu_ring	ring_enc[AMDGPU_VCN_MAX_ENC_RINGS];
100 	struct amdgpu_ring	ring_jpeg;
101 	struct amdgpu_irq_src	irq;
102 	unsigned		num_enc_rings;
103 	enum amd_powergating_state cur_state;
104 	struct dpg_pause_state pause_state;
105 	int (*pause_dpg_mode)(struct amdgpu_device *adev,
106 		struct dpg_pause_state *new_state);
107 };
108 
109 int amdgpu_vcn_sw_init(struct amdgpu_device *adev);
110 int amdgpu_vcn_sw_fini(struct amdgpu_device *adev);
111 int amdgpu_vcn_suspend(struct amdgpu_device *adev);
112 int amdgpu_vcn_resume(struct amdgpu_device *adev);
113 void amdgpu_vcn_ring_begin_use(struct amdgpu_ring *ring);
114 void amdgpu_vcn_ring_end_use(struct amdgpu_ring *ring);
115 
116 int amdgpu_vcn_dec_ring_test_ring(struct amdgpu_ring *ring);
117 int amdgpu_vcn_dec_ring_test_ib(struct amdgpu_ring *ring, long timeout);
118 
119 int amdgpu_vcn_enc_ring_test_ring(struct amdgpu_ring *ring);
120 int amdgpu_vcn_enc_ring_test_ib(struct amdgpu_ring *ring, long timeout);
121 
122 int amdgpu_vcn_jpeg_ring_test_ring(struct amdgpu_ring *ring);
123 int amdgpu_vcn_jpeg_ring_test_ib(struct amdgpu_ring *ring, long timeout);
124 
125 #endif
126