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authorDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-27 10:05:51 +0000
committerDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-27 10:05:51 +0000
commit5d1646d90e1f2cceb9f0828f4b28318cd0ec7744 (patch)
treea94efe259b9009378be6d90eb30d2b019d95c194 /drivers/media/platform/mtk-vcodec/vdec_drv_if.c
parentInitial commit. (diff)
downloadlinux-upstream/5.10.209.tar.xz
linux-upstream/5.10.209.zip
Adding upstream version 5.10.209.upstream/5.10.209upstream
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'drivers/media/platform/mtk-vcodec/vdec_drv_if.c')
-rw-r--r--drivers/media/platform/mtk-vcodec/vdec_drv_if.c109
1 files changed, 109 insertions, 0 deletions
diff --git a/drivers/media/platform/mtk-vcodec/vdec_drv_if.c b/drivers/media/platform/mtk-vcodec/vdec_drv_if.c
new file mode 100644
index 000000000..b18743b90
--- /dev/null
+++ b/drivers/media/platform/mtk-vcodec/vdec_drv_if.c
@@ -0,0 +1,109 @@
+// 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:
+ 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;
+}