1 files changed, 56 insertions, 0 deletions
diff --git a/drivers/media/platform/qcom/iris/iris_vdec.c b/drivers/media/platform/qcom/iris/iris_vdec.c
new file mode 100644
index 000000000000..2ed50ad5d58b
--- /dev/null
+++ b/drivers/media/platform/qcom/iris/iris_vdec.c
@@ -0,0 +1,56 @@
+// SPDX-License-Identifier: GPL-2.0-only
+/*
+ * Copyright (c) 2022-2024 Qualcomm Innovation Center, Inc. All rights reserved.
+ */
+
+#include "iris_buffer.h"
+#include "iris_instance.h"
+#include "iris_vdec.h"
+#include "iris_vpu_buffer.h"
+
+#define DEFAULT_WIDTH 320
+#define DEFAULT_HEIGHT 240
+
+void iris_vdec_inst_init(struct iris_inst *inst)
+{
+	struct v4l2_format *f;
+
+	inst->fmt_src  = kzalloc(sizeof(*inst->fmt_src), GFP_KERNEL);
+	inst->fmt_dst  = kzalloc(sizeof(*inst->fmt_dst), GFP_KERNEL);
+
+	inst->fw_min_count = MIN_BUFFERS;
+
+	f = inst->fmt_src;
+	f->type = V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE;
+	f->fmt.pix_mp.width = DEFAULT_WIDTH;
+	f->fmt.pix_mp.height = DEFAULT_HEIGHT;
+	f->fmt.pix_mp.pixelformat = V4L2_PIX_FMT_H264;
+	f->fmt.pix_mp.num_planes = 1;
+	f->fmt.pix_mp.plane_fmt[0].bytesperline = 0;
+	f->fmt.pix_mp.plane_fmt[0].sizeimage = iris_get_buffer_size(inst, BUF_INPUT);
+	f->fmt.pix_mp.field = V4L2_FIELD_NONE;
+	inst->buffers[BUF_INPUT].min_count = iris_vpu_buf_count(inst, BUF_INPUT);
+	inst->buffers[BUF_INPUT].size = f->fmt.pix_mp.plane_fmt[0].sizeimage;
+
+	f = inst->fmt_dst;
+	f->type = V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE;
+	f->fmt.pix_mp.pixelformat = V4L2_PIX_FMT_NV12;
+	f->fmt.pix_mp.width = ALIGN(DEFAULT_WIDTH, 128);
+	f->fmt.pix_mp.height = ALIGN(DEFAULT_HEIGHT, 32);
+	f->fmt.pix_mp.num_planes = 1;
+	f->fmt.pix_mp.plane_fmt[0].bytesperline = ALIGN(DEFAULT_WIDTH, 128);
+	f->fmt.pix_mp.plane_fmt[0].sizeimage = iris_get_buffer_size(inst, BUF_OUTPUT);
+	f->fmt.pix_mp.field = V4L2_FIELD_NONE;
+	f->fmt.pix_mp.colorspace = V4L2_COLORSPACE_DEFAULT;
+	f->fmt.pix_mp.xfer_func = V4L2_XFER_FUNC_DEFAULT;
+	f->fmt.pix_mp.ycbcr_enc = V4L2_YCBCR_ENC_DEFAULT;
+	f->fmt.pix_mp.quantization = V4L2_QUANTIZATION_DEFAULT;
+	inst->buffers[BUF_OUTPUT].min_count = iris_vpu_buf_count(inst, BUF_OUTPUT);
+	inst->buffers[BUF_OUTPUT].size = f->fmt.pix_mp.plane_fmt[0].sizeimage;
+}
+
+void iris_vdec_inst_deinit(struct iris_inst *inst)
+{
+	kfree(inst->fmt_dst);
+	kfree(inst->fmt_src);
+}