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