| /* |
| * Copyright (C) 2017 Amlogic, Inc. All rights reserved. |
| * |
| * This program is free software; you can redistribute it and/or modify |
| * it under the terms of the GNU General Public License as published by |
| * the Free Software Foundation; either version 2 of the License, or |
| * (at your option) any later version. |
| * |
| * This program is distributed in the hope that it will be useful, but WITHOUT |
| * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or |
| * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for |
| * more details. |
| * |
| * You should have received a copy of the GNU General Public License along |
| * with this program; if not, write to the Free Software Foundation, Inc., |
| * 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. |
| * |
| * Description: |
| */ |
| #include <linux/interrupt.h> |
| #include <linux/kernel.h> |
| #include <linux/slab.h> |
| |
| #include "vdec_drv_if.h" |
| #include "aml_vcodec_dec.h" |
| #include "vdec_drv_base.h" |
| #include "aml_vcodec_dec_pm.h" |
| |
| const struct vdec_common_if *get_h264_dec_comm_if(void); |
| const struct vdec_common_if *get_hevc_dec_comm_if(void); |
| const struct vdec_common_if *get_vp9_dec_comm_if(void); |
| |
| int vdec_if_init(struct aml_vcodec_ctx *ctx, unsigned int fourcc) |
| { |
| int ret = 0; |
| |
| switch (fourcc) { |
| case V4L2_PIX_FMT_H264: |
| ctx->dec_if = get_h264_dec_comm_if(); |
| break; |
| case V4L2_PIX_FMT_HEVC: |
| ctx->dec_if = get_hevc_dec_comm_if(); |
| break; |
| case V4L2_PIX_FMT_VP9: |
| ctx->dec_if = get_vp9_dec_comm_if(); |
| break; |
| default: |
| return -EINVAL; |
| } |
| |
| aml_vdec_lock(ctx); |
| //aml_vcodec_dec_clock_on(&ctx->dev->pm);//debug_tmp |
| ret = ctx->dec_if->init(ctx, &ctx->drv_handle); |
| //aml_vcodec_dec_clock_off(&ctx->dev->pm); |
| aml_vdec_unlock(ctx); |
| |
| return ret; |
| } |
| |
| int vdec_if_probe(struct aml_vcodec_ctx *ctx, |
| struct aml_vcodec_mem *bs, void *out) |
| { |
| int ret = 0; |
| |
| aml_vdec_lock(ctx); |
| ret = ctx->dec_if->probe(ctx->drv_handle, bs, out); |
| aml_vdec_unlock(ctx); |
| |
| return ret; |
| } |
| |
| int vdec_if_decode(struct aml_vcodec_ctx *ctx, struct aml_vcodec_mem *bs, |
| unsigned long int timestamp, bool *res_chg) |
| { |
| int ret = 0; |
| |
| if (bs) { |
| if ((bs->dma_addr & 63) != 0) { |
| aml_v4l2_err("bs dma_addr should 64 byte align"); |
| return -EINVAL; |
| } |
| } |
| |
| /*if (fb) { |
| if (((fb->base_y.dma_addr & 511) != 0) || |
| ((fb->base_c.dma_addr & 511) != 0)) { |
| aml_v4l2_err("frame buffer dma_addr should 512 byte align"); |
| return -EINVAL; |
| } |
| }*/ |
| |
| if (ctx->drv_handle == 0) |
| return -EIO; |
| |
| //aml_vdec_lock(ctx); |
| |
| aml_vcodec_set_curr_ctx(ctx->dev, ctx); |
| //aml_vcodec_dec_clock_on(&ctx->dev->pm);//debug_tmp |
| //enable_irq(ctx->dev->dec_irq); |
| ret = ctx->dec_if->decode(ctx->drv_handle, bs, timestamp, res_chg); |
| //disable_irq(ctx->dev->dec_irq); |
| //aml_vcodec_dec_clock_off(&ctx->dev->pm); |
| aml_vcodec_set_curr_ctx(ctx->dev, NULL); |
| |
| //aml_vdec_unlock(ctx); |
| |
| return ret; |
| } |
| |
| int vdec_if_get_param(struct aml_vcodec_ctx *ctx, |
| enum vdec_get_param_type type, void *out) |
| { |
| int ret = 0; |
| |
| if (ctx->drv_handle == 0) |
| return -EIO; |
| |
| //aml_vdec_lock(ctx); |
| ret = ctx->dec_if->get_param(ctx->drv_handle, type, out); |
| //aml_vdec_unlock(ctx); |
| |
| return ret; |
| } |
| |
| void vdec_if_deinit(struct aml_vcodec_ctx *ctx) |
| { |
| if (ctx->drv_handle == 0) |
| return; |
| |
| //aml_vdec_lock(ctx); |
| //aml_vcodec_dec_clock_on(&ctx->dev->pm); |
| ctx->dec_if->deinit(ctx->drv_handle); |
| //aml_vcodec_dec_clock_off(&ctx->dev->pm); |
| //aml_vdec_unlock(ctx); |
| |
| ctx->drv_handle = 0; |
| } |