drivers/media/platform/qcom/venus/hfi.h

   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