2 * Copyright (c) 2012-2016, The Linux Foundation. All rights reserved.
3 * Copyright (C) 2017 Linaro Ltd.
5 * This program is free software; you can redistribute it and/or modify
6 * it under the terms of the GNU General Public License version 2 and
7 * only version 2 as published by the Free Software Foundation.
9 * This program is distributed in the hope that it will be useful,
10 * but WITHOUT ANY WARRANTY; without even the implied warranty of
11 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
12 * GNU General Public License for more details.
18 #include <linux/interrupt.h>
20 #include "hfi_helper.h"
22 #define VIDC_SESSION_TYPE_VPE 0
23 #define VIDC_SESSION_TYPE_ENC 1
24 #define VIDC_SESSION_TYPE_DEC 2
26 #define VIDC_RESOURCE_NONE 0
27 #define VIDC_RESOURCE_OCMEM 1
28 #define VIDC_RESOURCE_VMEM 2
30 struct hfi_buffer_desc {
37 u32 response_required;
40 struct hfi_frame_data {
55 union hfi_get_property {
56 struct hfi_profile_level profile_level;
57 struct hfi_buffer_requirements bufreq[HFI_BUFFER_TYPE_MAX];
61 #define EVT_SYS_EVENT_CHANGE 1
62 #define EVT_SYS_WATCHDOG_TIMEOUT 2
63 #define EVT_SYS_ERROR 3
64 #define EVT_SESSION_ERROR 4
66 /* HFI event callback structure */
67 struct hfi_event_data {
77 /* the following properties start appear from v4 onwards */
89 /* define core states */
93 /* define instance states */
96 #define INST_LOAD_RESOURCES 4
99 #define INST_RELEASE_RESOURCES 7
104 struct hfi_core_ops {
105 void (*event_notify)(struct venus_core *core, u32 event);
108 struct hfi_inst_ops {
109 void (*buf_done)(struct venus_inst *inst, unsigned int buf_type,
110 u32 tag, u32 bytesused, u32 data_offset, u32 flags,
111 u32 hfi_flags, u64 timestamp_us);
112 void (*event_notify)(struct venus_inst *inst, u32 event,
113 struct hfi_event_data *data);
117 int (*core_init)(struct venus_core *core);
118 int (*core_deinit)(struct venus_core *core);
119 int (*core_ping)(struct venus_core *core, u32 cookie);
120 int (*core_trigger_ssr)(struct venus_core *core, u32 trigger_type);
122 int (*session_init)(struct venus_inst *inst, u32 session_type,
124 int (*session_end)(struct venus_inst *inst);
125 int (*session_abort)(struct venus_inst *inst);
126 int (*session_flush)(struct venus_inst *inst, u32 flush_mode);
127 int (*session_start)(struct venus_inst *inst);
128 int (*session_stop)(struct venus_inst *inst);
129 int (*session_continue)(struct venus_inst *inst);
130 int (*session_etb)(struct venus_inst *inst, struct hfi_frame_data *fd);
131 int (*session_ftb)(struct venus_inst *inst, struct hfi_frame_data *fd);
132 int (*session_set_buffers)(struct venus_inst *inst,
133 struct hfi_buffer_desc *bd);
134 int (*session_unset_buffers)(struct venus_inst *inst,
135 struct hfi_buffer_desc *bd);
136 int (*session_load_res)(struct venus_inst *inst);
137 int (*session_release_res)(struct venus_inst *inst);
138 int (*session_parse_seq_hdr)(struct venus_inst *inst, u32 seq_hdr,
140 int (*session_get_seq_hdr)(struct venus_inst *inst, u32 seq_hdr,
142 int (*session_set_property)(struct venus_inst *inst, u32 ptype,
144 int (*session_get_property)(struct venus_inst *inst, u32 ptype);
146 int (*resume)(struct venus_core *core);
147 int (*suspend)(struct venus_core *core);
149 /* interrupt operations */
150 irqreturn_t (*isr)(struct venus_core *core);
151 irqreturn_t (*isr_thread)(struct venus_core *core);
154 int hfi_create(struct venus_core *core, const struct hfi_core_ops *ops);
155 void hfi_destroy(struct venus_core *core);
157 int hfi_core_init(struct venus_core *core);
158 int hfi_core_deinit(struct venus_core *core, bool blocking);
159 int hfi_core_suspend(struct venus_core *core);
160 int hfi_core_resume(struct venus_core *core, bool force);
161 int hfi_core_trigger_ssr(struct venus_core *core, u32 type);
162 int hfi_core_ping(struct venus_core *core);
163 int hfi_session_create(struct venus_inst *inst, const struct hfi_inst_ops *ops);
164 void hfi_session_destroy(struct venus_inst *inst);
165 int hfi_session_init(struct venus_inst *inst, u32 pixfmt);
166 int hfi_session_deinit(struct venus_inst *inst);
167 int hfi_session_start(struct venus_inst *inst);
168 int hfi_session_stop(struct venus_inst *inst);
169 int hfi_session_continue(struct venus_inst *inst);
170 int hfi_session_abort(struct venus_inst *inst);
171 int hfi_session_load_res(struct venus_inst *inst);
172 int hfi_session_unload_res(struct venus_inst *inst);
173 int hfi_session_flush(struct venus_inst *inst);
174 int hfi_session_set_buffers(struct venus_inst *inst,
175 struct hfi_buffer_desc *bd);
176 int hfi_session_unset_buffers(struct venus_inst *inst,
177 struct hfi_buffer_desc *bd);
178 int hfi_session_get_property(struct venus_inst *inst, u32 ptype,
179 union hfi_get_property *hprop);
180 int hfi_session_set_property(struct venus_inst *inst, u32 ptype, void *pdata);
181 int hfi_session_process_buf(struct venus_inst *inst, struct hfi_frame_data *f);
182 irqreturn_t hfi_isr_thread(int irq, void *dev_id);
183 irqreturn_t hfi_isr(int irq, void *dev);