| // SPDX-License-Identifier: GPL-2.0 |
| /* |
| * Copyright (c) 2016 MediaTek Inc. |
| * Author: PC Chen <pc.chen@mediatek.com> |
| * Tiffany Lin <tiffany.lin@mediatek.com> |
| */ |
| |
| #include <linux/interrupt.h> |
| #include <linux/kernel.h> |
| #include <linux/slab.h> |
| |
| #include "vdec_drv_if.h" |
| #include "mtk_vcodec_dec.h" |
| #include "vdec_drv_base.h" |
| #include "mtk_vcodec_dec_pm.h" |
| |
| int vdec_if_init(struct mtk_vcodec_ctx *ctx, unsigned int fourcc) |
| { |
| int ret = 0; |
| |
| switch (fourcc) { |
| case V4L2_PIX_FMT_H264_SLICE: |
| ctx->dec_if = &vdec_h264_slice_if; |
| break; |
| case V4L2_PIX_FMT_H264: |
| ctx->dec_if = &vdec_h264_if; |
| break; |
| case V4L2_PIX_FMT_VP8: |
| ctx->dec_if = &vdec_vp8_if; |
| break; |
| case V4L2_PIX_FMT_VP9: |
| ctx->dec_if = &vdec_vp9_if; |
| break; |
| default: |
| return -EINVAL; |
| } |
| |
| mtk_vdec_lock(ctx); |
| mtk_vcodec_dec_clock_on(&ctx->dev->pm); |
| ret = ctx->dec_if->init(ctx); |
| mtk_vcodec_dec_clock_off(&ctx->dev->pm); |
| mtk_vdec_unlock(ctx); |
| |
| return ret; |
| } |
| |
| int vdec_if_decode(struct mtk_vcodec_ctx *ctx, struct mtk_vcodec_mem *bs, |
| struct vdec_fb *fb, bool *res_chg) |
| { |
| int ret = 0; |
| |
| if (bs) { |
| if ((bs->dma_addr & 63) != 0) { |
| mtk_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)) { |
| mtk_v4l2_err("frame buffer dma_addr should 512 byte align"); |
| return -EINVAL; |
| } |
| } |
| |
| if (!ctx->drv_handle) |
| return -EIO; |
| |
| mtk_vdec_lock(ctx); |
| |
| mtk_vcodec_set_curr_ctx(ctx->dev, ctx); |
| mtk_vcodec_dec_clock_on(&ctx->dev->pm); |
| enable_irq(ctx->dev->dec_irq); |
| ret = ctx->dec_if->decode(ctx->drv_handle, bs, fb, res_chg); |
| disable_irq(ctx->dev->dec_irq); |
| mtk_vcodec_dec_clock_off(&ctx->dev->pm); |
| mtk_vcodec_set_curr_ctx(ctx->dev, NULL); |
| |
| mtk_vdec_unlock(ctx); |
| |
| return ret; |
| } |
| |
| int vdec_if_get_param(struct mtk_vcodec_ctx *ctx, enum vdec_get_param_type type, |
| void *out) |
| { |
| int ret = 0; |
| |
| if (!ctx->drv_handle) |
| return -EIO; |
| |
| mtk_vdec_lock(ctx); |
| ret = ctx->dec_if->get_param(ctx->drv_handle, type, out); |
| mtk_vdec_unlock(ctx); |
| |
| return ret; |
| } |
| |
| void vdec_if_deinit(struct mtk_vcodec_ctx *ctx) |
| { |
| if (!ctx->drv_handle) |
| return; |
| |
| mtk_vdec_lock(ctx); |
| mtk_vcodec_dec_clock_on(&ctx->dev->pm); |
| ctx->dec_if->deinit(ctx->drv_handle); |
| mtk_vcodec_dec_clock_off(&ctx->dev->pm); |
| mtk_vdec_unlock(ctx); |
| |
| ctx->drv_handle = NULL; |
| } |