xref: /linux/drivers/media/platform/qcom/venus/hfi.h (revision cbecf716ca618fd44feda6bd9a64a8179d031fc5)
1 /* SPDX-License-Identifier: GPL-2.0-only */
2 /*
3  * Copyright (c) 2012-2016, The Linux Foundation. All rights reserved.
4  * Copyright (C) 2017 Linaro Ltd.
5  */
6 #ifndef __HFI_H__
7 #define __HFI_H__
8 
9 #include <linux/interrupt.h>
10 
11 #include "hfi_helper.h"
12 
13 #define VIDC_SESSION_TYPE_VPE			0
14 #define VIDC_SESSION_TYPE_ENC			1
15 #define VIDC_SESSION_TYPE_DEC			2
16 
17 #define VIDC_RESOURCE_NONE			0
18 #define VIDC_RESOURCE_OCMEM			1
19 #define VIDC_RESOURCE_VMEM			2
20 
21 struct hfi_buffer_desc {
22 	u32 buffer_type;
23 	u32 buffer_size;
24 	u32 num_buffers;
25 	u32 device_addr;
26 	u32 extradata_addr;
27 	u32 extradata_size;
28 	u32 response_required;
29 };
30 
31 struct hfi_frame_data {
32 	u32 buffer_type;
33 	u32 device_addr;
34 	u32 extradata_addr;
35 	u64 timestamp;
36 	u32 flags;
37 	u32 offset;
38 	u32 alloc_len;
39 	u32 filled_len;
40 	u32 mark_target;
41 	u32 mark_data;
42 	u32 clnt_data;
43 	u32 extradata_size;
44 };
45 
46 union hfi_get_property {
47 	struct hfi_profile_level profile_level;
48 	struct hfi_buffer_requirements bufreq[HFI_BUFFER_TYPE_MAX];
49 };
50 
51 /* HFI events */
52 #define EVT_SYS_EVENT_CHANGE			1
53 #define EVT_SYS_WATCHDOG_TIMEOUT		2
54 #define EVT_SYS_ERROR				3
55 #define EVT_SESSION_ERROR			4
56 
57 /* HFI event callback structure */
58 struct hfi_event_data {
59 	u32 error;
60 	u32 height;
61 	u32 width;
62 	u32 event_type;
63 	u32 packet_buffer;
64 	u32 extradata_buffer;
65 	u32 tag;
66 	u32 profile;
67 	u32 level;
68 	/* the following properties start appear from v4 onwards */
69 	u32 bit_depth;
70 	u32 pic_struct;
71 	u32 colour_space;
72 	u32 entropy_mode;
73 	u32 buf_count;
74 	struct {
75 		u32 left, top;
76 		u32 width, height;
77 	} input_crop;
78 };
79 
80 /* define core states */
81 #define CORE_UNINIT				0
82 #define CORE_INIT				1
83 
84 /* define instance states */
85 #define INST_UNINIT				2
86 #define INST_INIT				3
87 #define INST_LOAD_RESOURCES			4
88 #define INST_START				5
89 #define INST_STOP				6
90 #define INST_RELEASE_RESOURCES			7
91 
92 struct venus_core;
93 struct venus_inst;
94 
95 struct hfi_core_ops {
96 	void (*event_notify)(struct venus_core *core, u32 event);
97 };
98 
99 struct hfi_inst_ops {
100 	void (*buf_done)(struct venus_inst *inst, unsigned int buf_type,
101 			 u32 tag, u32 bytesused, u32 data_offset, u32 flags,
102 			 u32 hfi_flags, u64 timestamp_us);
103 	void (*event_notify)(struct venus_inst *inst, u32 event,
104 			     struct hfi_event_data *data);
105 	void (*flush_done)(struct venus_inst *inst);
106 };
107 
108 struct hfi_ops {
109 	int (*core_init)(struct venus_core *core);
110 	int (*core_deinit)(struct venus_core *core);
111 	int (*core_ping)(struct venus_core *core, u32 cookie);
112 	int (*core_trigger_ssr)(struct venus_core *core, u32 trigger_type);
113 
114 	int (*session_init)(struct venus_inst *inst, u32 session_type,
115 			    u32 codec);
116 	int (*session_end)(struct venus_inst *inst);
117 	int (*session_abort)(struct venus_inst *inst);
118 	int (*session_flush)(struct venus_inst *inst, u32 flush_mode);
119 	int (*session_start)(struct venus_inst *inst);
120 	int (*session_stop)(struct venus_inst *inst);
121 	int (*session_continue)(struct venus_inst *inst);
122 	int (*session_etb)(struct venus_inst *inst, struct hfi_frame_data *fd);
123 	int (*session_ftb)(struct venus_inst *inst, struct hfi_frame_data *fd);
124 	int (*session_set_buffers)(struct venus_inst *inst,
125 				   struct hfi_buffer_desc *bd);
126 	int (*session_unset_buffers)(struct venus_inst *inst,
127 				     struct hfi_buffer_desc *bd);
128 	int (*session_load_res)(struct venus_inst *inst);
129 	int (*session_release_res)(struct venus_inst *inst);
130 	int (*session_parse_seq_hdr)(struct venus_inst *inst, u32 seq_hdr,
131 				     u32 seq_hdr_len);
132 	int (*session_get_seq_hdr)(struct venus_inst *inst, u32 seq_hdr,
133 				   u32 seq_hdr_len);
134 	int (*session_set_property)(struct venus_inst *inst, u32 ptype,
135 				    void *pdata);
136 	int (*session_get_property)(struct venus_inst *inst, u32 ptype);
137 
138 	int (*resume)(struct venus_core *core);
139 	int (*suspend)(struct venus_core *core);
140 
141 	/* interrupt operations */
142 	irqreturn_t (*isr)(struct venus_core *core);
143 	irqreturn_t (*isr_thread)(struct venus_core *core);
144 };
145 
146 int hfi_create(struct venus_core *core, const struct hfi_core_ops *ops);
147 void hfi_destroy(struct venus_core *core);
148 void hfi_reinit(struct venus_core *core);
149 
150 int hfi_core_init(struct venus_core *core);
151 int hfi_core_deinit(struct venus_core *core, bool blocking);
152 int hfi_core_suspend(struct venus_core *core);
153 int hfi_core_resume(struct venus_core *core, bool force);
154 int hfi_core_trigger_ssr(struct venus_core *core, u32 type);
155 int hfi_core_ping(struct venus_core *core);
156 int hfi_session_create(struct venus_inst *inst, const struct hfi_inst_ops *ops);
157 void hfi_session_destroy(struct venus_inst *inst);
158 int hfi_session_init(struct venus_inst *inst, u32 pixfmt);
159 int hfi_session_deinit(struct venus_inst *inst);
160 int hfi_session_start(struct venus_inst *inst);
161 int hfi_session_stop(struct venus_inst *inst);
162 int hfi_session_continue(struct venus_inst *inst);
163 int hfi_session_abort(struct venus_inst *inst);
164 int hfi_session_load_res(struct venus_inst *inst);
165 int hfi_session_unload_res(struct venus_inst *inst);
166 int hfi_session_flush(struct venus_inst *inst, u32 type, bool block);
167 int hfi_session_set_buffers(struct venus_inst *inst,
168 			    struct hfi_buffer_desc *bd);
169 int hfi_session_unset_buffers(struct venus_inst *inst,
170 			      struct hfi_buffer_desc *bd);
171 int hfi_session_get_property(struct venus_inst *inst, u32 ptype,
172 			     union hfi_get_property *hprop);
173 int hfi_session_set_property(struct venus_inst *inst, u32 ptype, void *pdata);
174 int hfi_session_process_buf(struct venus_inst *inst, struct hfi_frame_data *f);
175 irqreturn_t hfi_isr_thread(int irq, void *dev_id);
176 irqreturn_t hfi_isr(int irq, void *dev);
177 
178 #endif
179