1 /*
2  * Copyright 2022 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 #ifndef __AMDGPU_VPE_H__
24 #define __AMDGPU_VPE_H__
25 
26 #include "amdgpu_ring.h"
27 #include "amdgpu_irq.h"
28 #include "vpe_6_1_fw_if.h"
29 
30 #define AMDGPU_MAX_VPE_INSTANCES 2
31 
32 struct amdgpu_vpe;
33 
34 struct vpe_funcs {
35 	uint32_t (*get_reg_offset)(struct amdgpu_vpe *vpe, uint32_t inst, uint32_t offset);
36 	int (*set_regs)(struct amdgpu_vpe *vpe);
37 	int (*irq_init)(struct amdgpu_vpe *vpe);
38 	int (*init_microcode)(struct amdgpu_vpe *vpe);
39 	int (*load_microcode)(struct amdgpu_vpe *vpe);
40 	int (*ring_init)(struct amdgpu_vpe *vpe);
41 	int (*ring_start)(struct amdgpu_vpe *vpe);
42 	int (*ring_stop)(struct amdgpu_vpe *vpe);
43 	int (*ring_fini)(struct amdgpu_vpe *vpe);
44 };
45 
46 struct vpe_regs {
47 	uint32_t queue0_rb_rptr_lo;
48 	uint32_t queue0_rb_rptr_hi;
49 	uint32_t queue0_rb_wptr_lo;
50 	uint32_t queue0_rb_wptr_hi;
51 	uint32_t queue0_preempt;
52 
53 	uint32_t dpm_enable;
54 	uint32_t dpm_pratio;
55 	uint32_t dpm_request_interval;
56 	uint32_t dpm_decision_threshold;
57 	uint32_t dpm_busy_clamp_threshold;
58 	uint32_t dpm_idle_clamp_threshold;
59 	uint32_t dpm_request_lv;
60 	uint32_t context_indicator;
61 };
62 
63 struct amdgpu_vpe {
64 	struct amdgpu_ring		ring;
65 	struct amdgpu_irq_src		trap_irq;
66 
67 	const struct vpe_funcs		*funcs;
68 	struct vpe_regs			regs;
69 
70 	const struct firmware		*fw;
71 	uint32_t			fw_version;
72 	uint32_t			feature_version;
73 
74 	struct amdgpu_bo		*cmdbuf_obj;
75 	uint64_t			cmdbuf_gpu_addr;
76 	uint32_t			*cmdbuf_cpu_addr;
77 	struct delayed_work		idle_work;
78 	bool				context_started;
79 
80 	uint32_t			num_instances;
81 	bool				collaborate_mode;
82 };
83 
84 int amdgpu_vpe_psp_update_sram(struct amdgpu_device *adev);
85 int amdgpu_vpe_init_microcode(struct amdgpu_vpe *vpe);
86 int amdgpu_vpe_ring_init(struct amdgpu_vpe *vpe);
87 int amdgpu_vpe_ring_fini(struct amdgpu_vpe *vpe);
88 int amdgpu_vpe_configure_dpm(struct amdgpu_vpe *vpe);
89 
90 #define vpe_ring_init(vpe) ((vpe)->funcs->ring_init ? (vpe)->funcs->ring_init((vpe)) : 0)
91 #define vpe_ring_start(vpe) ((vpe)->funcs->ring_start ? (vpe)->funcs->ring_start((vpe)) : 0)
92 #define vpe_ring_stop(vpe) ((vpe)->funcs->ring_stop ? (vpe)->funcs->ring_stop((vpe)) : 0)
93 #define vpe_ring_fini(vpe) ((vpe)->funcs->ring_fini ? (vpe)->funcs->ring_fini((vpe)) : 0)
94 
95 #define vpe_get_reg_offset(vpe, inst, offset) \
96 		((vpe)->funcs->get_reg_offset ? (vpe)->funcs->get_reg_offset((vpe), (inst), (offset)) : 0)
97 #define vpe_set_regs(vpe) \
98 		((vpe)->funcs->set_regs ? (vpe)->funcs->set_regs((vpe)) : 0)
99 #define vpe_irq_init(vpe) \
100 		((vpe)->funcs->irq_init ? (vpe)->funcs->irq_init((vpe)) : 0)
101 #define vpe_init_microcode(vpe) \
102 		((vpe)->funcs->init_microcode ? (vpe)->funcs->init_microcode((vpe)) : 0)
103 #define vpe_load_microcode(vpe) \
104 		((vpe)->funcs->load_microcode ? (vpe)->funcs->load_microcode((vpe)) : 0)
105 
106 extern const struct amdgpu_ip_block_version vpe_v6_1_ip_block;
107 
108 #endif
109