drivers/media/platform/sti/hva/hva-hw.h

   1 /* SPDX-License-Identifier: GPL-2.0 */
   2 /*
   3  * Copyright (C) STMicroelectronics SA 2015
   4  * Authors: Yannick Fertre <yannick.fertre@st.com>
   5  *          Hugues Fruchet <hugues.fruchet@st.com>
   6  */
   7
   8 #ifndef HVA_HW_H
   9 #define HVA_HW_H
  10
  11 #include "hva-mem.h"
  12
  13 /* HVA Versions */
  14 #define HVA_VERSION_UNKNOWN    0x000
  15 #define HVA_VERSION_V400       0x400
  16
  17 /* HVA command types */
  18 enum hva_hw_cmd_type {
  19         /* RESERVED = 0x00 */
  20         /* RESERVED = 0x01 */
  21         H264_ENC = 0x02,
  22         /* RESERVED = 0x03 */
  23         /* RESERVED = 0x04 */
  24         /* RESERVED = 0x05 */
  25         /* RESERVED = 0x06 */
  26         /* RESERVED = 0x07 */
  27         REMOVE_CLIENT = 0x08,
  28         FREEZE_CLIENT = 0x09,
  29         START_CLIENT = 0x0A,
  30         FREEZE_ALL = 0x0B,
  31         START_ALL = 0x0C,
  32         REMOVE_ALL = 0x0D
  33 };
  34
  35 int hva_hw_probe(struct platform_device *pdev, struct hva_dev *hva);
  36 void hva_hw_remove(struct hva_dev *hva);
  37 int hva_hw_runtime_suspend(struct device *dev);
  38 int hva_hw_runtime_resume(struct device *dev);
  39 int hva_hw_execute_task(struct hva_ctx *ctx, enum hva_hw_cmd_type cmd,
  40                         struct hva_buffer *task);
  41 #ifdef CONFIG_VIDEO_STI_HVA_DEBUGFS
  42 void hva_hw_dump_regs(struct hva_dev *hva, struct seq_file *s);
  43 #endif
  44
  45 #endif /* HVA_HW_H */