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 }; 106 107 struct hfi_ops { 108 int (*core_init)(struct venus_core *core); 109 int (*core_deinit)(struct venus_core *core); 110 int (*core_ping)(struct venus_core *core, u32 cookie); 111 int (*core_trigger_ssr)(struct venus_core *core, u32 trigger_type); 112 113 int (*session_init)(struct venus_inst *inst, u32 session_type, 114 u32 codec); 115 int (*session_end)(struct venus_inst *inst); 116 int (*session_abort)(struct venus_inst *inst); 117 int (*session_flush)(struct venus_inst *inst, u32 flush_mode); 118 int (*session_start)(struct venus_inst *inst); 119 int (*session_stop)(struct venus_inst *inst); 120 int (*session_continue)(struct venus_inst *inst); 121 int (*session_etb)(struct venus_inst *inst, struct hfi_frame_data *fd); 122 int (*session_ftb)(struct venus_inst *inst, struct hfi_frame_data *fd); 123 int (*session_set_buffers)(struct venus_inst *inst, 124 struct hfi_buffer_desc *bd); 125 int (*session_unset_buffers)(struct venus_inst *inst, 126 struct hfi_buffer_desc *bd); 127 int (*session_load_res)(struct venus_inst *inst); 128 int (*session_release_res)(struct venus_inst *inst); 129 int (*session_parse_seq_hdr)(struct venus_inst *inst, u32 seq_hdr, 130 u32 seq_hdr_len); 131 int (*session_get_seq_hdr)(struct venus_inst *inst, u32 seq_hdr, 132 u32 seq_hdr_len); 133 int (*session_set_property)(struct venus_inst *inst, u32 ptype, 134 void *pdata); 135 int (*session_get_property)(struct venus_inst *inst, u32 ptype); 136 137 int (*resume)(struct venus_core *core); 138 int (*suspend)(struct venus_core *core); 139 140 /* interrupt operations */ 141 irqreturn_t (*isr)(struct venus_core *core); 142 irqreturn_t (*isr_thread)(struct venus_core *core); 143 }; 144 145 int hfi_create(struct venus_core *core, const struct hfi_core_ops *ops); 146 void hfi_destroy(struct venus_core *core); 147 148 int hfi_core_init(struct venus_core *core); 149 int hfi_core_deinit(struct venus_core *core, bool blocking); 150 int hfi_core_suspend(struct venus_core *core); 151 int hfi_core_resume(struct venus_core *core, bool force); 152 int hfi_core_trigger_ssr(struct venus_core *core, u32 type); 153 int hfi_core_ping(struct venus_core *core); 154 int hfi_session_create(struct venus_inst *inst, const struct hfi_inst_ops *ops); 155 void hfi_session_destroy(struct venus_inst *inst); 156 int hfi_session_init(struct venus_inst *inst, u32 pixfmt); 157 int hfi_session_deinit(struct venus_inst *inst); 158 int hfi_session_start(struct venus_inst *inst); 159 int hfi_session_stop(struct venus_inst *inst); 160 int hfi_session_continue(struct venus_inst *inst); 161 int hfi_session_abort(struct venus_inst *inst); 162 int hfi_session_load_res(struct venus_inst *inst); 163 int hfi_session_unload_res(struct venus_inst *inst); 164 int hfi_session_flush(struct venus_inst *inst); 165 int hfi_session_set_buffers(struct venus_inst *inst, 166 struct hfi_buffer_desc *bd); 167 int hfi_session_unset_buffers(struct venus_inst *inst, 168 struct hfi_buffer_desc *bd); 169 int hfi_session_get_property(struct venus_inst *inst, u32 ptype, 170 union hfi_get_property *hprop); 171 int hfi_session_set_property(struct venus_inst *inst, u32 ptype, void *pdata); 172 int hfi_session_process_buf(struct venus_inst *inst, struct hfi_frame_data *f); 173 irqreturn_t hfi_isr_thread(int irq, void *dev_id); 174 irqreturn_t hfi_isr(int irq, void *dev); 175 176 #endif 177