blob: e870da44dd848c325ec1fb06c9646813ba63c372
| 1 | /* |
| 2 | * Copyright (C) 2017 Amlogic, Inc. All rights reserved. |
| 3 | * |
| 4 | * This program is free software; you can redistribute it and/or modify |
| 5 | * it under the terms of the GNU General Public License as published by |
| 6 | * the Free Software Foundation; either version 2 of the License, or |
| 7 | * (at your option) any later version. |
| 8 | * |
| 9 | * This program is distributed in the hope that it will be useful, but WITHOUT |
| 10 | * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or |
| 11 | * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for |
| 12 | * more details. |
| 13 | * |
| 14 | * You should have received a copy of the GNU General Public License along |
| 15 | * with this program; if not, write to the Free Software Foundation, Inc., |
| 16 | * 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. |
| 17 | * |
| 18 | * Description: |
| 19 | */ |
| 20 | #include <linux/interrupt.h> |
| 21 | #include <linux/kernel.h> |
| 22 | #include <linux/slab.h> |
| 23 | |
| 24 | #include "vdec_drv_if.h" |
| 25 | #include "aml_vcodec_dec.h" |
| 26 | #include "vdec_drv_base.h" |
| 27 | |
| 28 | const struct vdec_common_if *get_h264_dec_comm_if(void); |
| 29 | const struct vdec_common_if *get_hevc_dec_comm_if(void); |
| 30 | const struct vdec_common_if *get_vp9_dec_comm_if(void); |
| 31 | const struct vdec_common_if *get_mpeg12_dec_comm_if(void); |
| 32 | const struct vdec_common_if *get_mpeg4_dec_comm_if(void); |
| 33 | const struct vdec_common_if *get_mjpeg_dec_comm_if(void); |
| 34 | |
| 35 | int vdec_if_init(struct aml_vcodec_ctx *ctx, unsigned int fourcc) |
| 36 | { |
| 37 | int ret = 0; |
| 38 | |
| 39 | switch (fourcc) { |
| 40 | case V4L2_PIX_FMT_H264: |
| 41 | ctx->dec_if = get_h264_dec_comm_if(); |
| 42 | break; |
| 43 | case V4L2_PIX_FMT_HEVC: |
| 44 | ctx->dec_if = get_hevc_dec_comm_if(); |
| 45 | break; |
| 46 | case V4L2_PIX_FMT_VP9: |
| 47 | ctx->dec_if = get_vp9_dec_comm_if(); |
| 48 | break; |
| 49 | case V4L2_PIX_FMT_MPEG: |
| 50 | case V4L2_PIX_FMT_MPEG1: |
| 51 | case V4L2_PIX_FMT_MPEG2: |
| 52 | ctx->dec_if = get_mpeg12_dec_comm_if(); |
| 53 | break; |
| 54 | case V4L2_PIX_FMT_MPEG4: |
| 55 | ctx->dec_if = get_mpeg4_dec_comm_if(); |
| 56 | break; |
| 57 | case V4L2_PIX_FMT_MJPEG: |
| 58 | ctx->dec_if = get_mjpeg_dec_comm_if(); |
| 59 | break; |
| 60 | default: |
| 61 | return -EINVAL; |
| 62 | } |
| 63 | |
| 64 | ret = ctx->dec_if->init(ctx, &ctx->drv_handle); |
| 65 | |
| 66 | return ret; |
| 67 | } |
| 68 | |
| 69 | int vdec_if_probe(struct aml_vcodec_ctx *ctx, |
| 70 | struct aml_vcodec_mem *bs, void *out) |
| 71 | { |
| 72 | int ret = 0; |
| 73 | |
| 74 | ret = ctx->dec_if->probe(ctx->drv_handle, bs, out); |
| 75 | |
| 76 | return ret; |
| 77 | } |
| 78 | |
| 79 | int vdec_if_decode(struct aml_vcodec_ctx *ctx, struct aml_vcodec_mem *bs, |
| 80 | u64 timestamp, bool *res_chg) |
| 81 | { |
| 82 | int ret = 0; |
| 83 | |
| 84 | if (bs) { |
| 85 | if ((bs->addr & 63) != 0) { |
| 86 | v4l_dbg(ctx, V4L_DEBUG_CODEC_ERROR, |
| 87 | "bs dma_addr should 64 byte align\n"); |
| 88 | return -EINVAL; |
| 89 | } |
| 90 | } |
| 91 | |
| 92 | if (ctx->drv_handle == 0) |
| 93 | return -EIO; |
| 94 | |
| 95 | aml_vcodec_set_curr_ctx(ctx->dev, ctx); |
| 96 | ret = ctx->dec_if->decode(ctx->drv_handle, bs, timestamp, res_chg); |
| 97 | aml_vcodec_set_curr_ctx(ctx->dev, NULL); |
| 98 | |
| 99 | return ret; |
| 100 | } |
| 101 | |
| 102 | int vdec_if_get_param(struct aml_vcodec_ctx *ctx, |
| 103 | enum vdec_get_param_type type, void *out) |
| 104 | { |
| 105 | int ret = 0; |
| 106 | |
| 107 | if (ctx->drv_handle == 0) |
| 108 | return -EIO; |
| 109 | |
| 110 | ret = ctx->dec_if->get_param(ctx->drv_handle, type, out); |
| 111 | |
| 112 | return ret; |
| 113 | } |
| 114 | |
| 115 | void vdec_if_deinit(struct aml_vcodec_ctx *ctx) |
| 116 | { |
| 117 | if (ctx->drv_handle == 0) |
| 118 | return; |
| 119 | |
| 120 | ctx->dec_if->deinit(ctx->drv_handle); |
| 121 | ctx->drv_handle = 0; |
| 122 | } |
| 123 |