[PATCH v6, 22/24] media: mediatek: vcodec: support hevc svp for mt8188

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Change hevc driver to support secure video playback(svp) for
mt8188. Need to map shared memory with optee interface and
wait interrupt in optee-os.

Signed-off-by: Yunfei Dong <yunfei.dong@xxxxxxxxxxxx>
---
 .../decoder/vdec/vdec_hevc_req_multi_if.c     | 89 +++++++++++--------
 1 file changed, 54 insertions(+), 35 deletions(-)

diff --git a/drivers/media/platform/mediatek/vcodec/decoder/vdec/vdec_hevc_req_multi_if.c b/drivers/media/platform/mediatek/vcodec/decoder/vdec/vdec_hevc_req_multi_if.c
index fe0a8508d632..30c85d053f18 100644
--- a/drivers/media/platform/mediatek/vcodec/decoder/vdec/vdec_hevc_req_multi_if.c
+++ b/drivers/media/platform/mediatek/vcodec/decoder/vdec/vdec_hevc_req_multi_if.c
@@ -415,11 +415,14 @@ static void vdec_hevc_fill_dpb_info(struct mtk_vcodec_dec_ctx *ctx,
 		hevc_dpb_info[index].field = dpb->field_pic;
 
 		hevc_dpb_info[index].y_dma_addr = vb2_dma_contig_plane_dma_addr(vb, 0);
-		if (ctx->q_data[MTK_Q_DATA_DST].fmt->num_planes == 2)
-			hevc_dpb_info[index].c_dma_addr = vb2_dma_contig_plane_dma_addr(vb, 1);
-		else
-			hevc_dpb_info[index].c_dma_addr =
-				hevc_dpb_info[index].y_dma_addr + ctx->picinfo.fb_sz[0];
+		if (!ctx->is_secure_playback) {
+			if (ctx->q_data[MTK_Q_DATA_DST].fmt->num_planes == 2)
+				hevc_dpb_info[index].c_dma_addr =
+					vb2_dma_contig_plane_dma_addr(vb, 1);
+			else
+				hevc_dpb_info[index].c_dma_addr =
+					hevc_dpb_info[index].y_dma_addr + ctx->picinfo.fb_sz[0];
+		}
 	}
 }
 
@@ -800,7 +803,7 @@ static int vdec_hevc_slice_setup_core_buffer(struct vdec_hevc_slice_inst *inst,
 	struct mtk_vcodec_dec_ctx *ctx = inst->ctx;
 	struct vb2_v4l2_buffer *vb2_v4l2;
 	struct vdec_fb *fb;
-	u64 y_fb_dma, c_fb_dma;
+	u64 y_fb_dma, c_fb_dma = 0;
 	int i;
 
 	fb = ctx->dev->vdec_pdata->get_cap_buffer(ctx);
@@ -810,18 +813,20 @@ static int vdec_hevc_slice_setup_core_buffer(struct vdec_hevc_slice_inst *inst,
 	}
 
 	y_fb_dma = (u64)fb->base_y.dma_addr;
-	if (ctx->q_data[MTK_Q_DATA_DST].fmt->num_planes == 1)
-		c_fb_dma =
-			y_fb_dma + inst->ctx->picinfo.buf_w * inst->ctx->picinfo.buf_h;
-	else
-		c_fb_dma = (u64)fb->base_c.dma_addr;
+	if (!ctx->is_secure_playback) {
+		if (ctx->q_data[MTK_Q_DATA_DST].fmt->num_planes == 1)
+			c_fb_dma =
+				y_fb_dma + inst->ctx->picinfo.buf_w * inst->ctx->picinfo.buf_h;
+		else
+			c_fb_dma = (u64)fb->base_c.dma_addr;
+	}
 
 	mtk_vdec_debug(inst->ctx, "[hevc-core] y/c addr = 0x%llx 0x%llx", y_fb_dma, c_fb_dma);
 
 	inst->vsi_core->fb.y.dma_addr = y_fb_dma;
 	inst->vsi_core->fb.y.size = ctx->picinfo.fb_sz[0];
 	inst->vsi_core->fb.c.dma_addr = c_fb_dma;
-	inst->vsi_core->fb.y.size = ctx->picinfo.fb_sz[1];
+	inst->vsi_core->fb.c.size = ctx->picinfo.fb_sz[1];
 
 	inst->vsi_core->dec.vdec_fb_va = (unsigned long)fb;
 
@@ -878,8 +883,13 @@ static int vdec_hevc_slice_init(struct mtk_vcodec_dec_ctx *ctx)
 
 	vsi_size = round_up(sizeof(struct vdec_hevc_slice_vsi), VCODEC_DEC_ALIGNED_64);
 	inst->vsi = inst->vpu.vsi;
-	inst->vsi_core =
-		(struct vdec_hevc_slice_vsi *)(((char *)inst->vpu.vsi) + vsi_size);
+	if (ctx->is_secure_playback)
+		inst->vsi_core =
+			mtk_vcodec_dec_get_shm_buffer_va(ctx->dev->optee_private, MTK_VDEC_CORE,
+							 OPTEE_DATA_INDEX);
+	else
+		inst->vsi_core =
+			(struct vdec_hevc_slice_vsi *)(((char *)inst->vpu.vsi) + vsi_size);
 
 	inst->resolution_changed = true;
 	inst->realloc_mv_buf = true;
@@ -944,21 +954,22 @@ static int vdec_hevc_slice_core_decode(struct vdec_lat_buf *lat_buf)
 		goto vdec_dec_end;
 	}
 
-	/* wait decoder done interrupt */
-	timeout = mtk_vcodec_wait_for_done_ctx(inst->ctx, MTK_INST_IRQ_RECEIVED,
-					       WAIT_INTR_TIMEOUT_MS, MTK_VDEC_CORE);
-	if (timeout)
-		mtk_vdec_err(ctx, "core decode timeout: pic_%d", ctx->decoded_frame_cnt);
-	inst->vsi_core->dec.timeout = !!timeout;
+	if (!vpu->ctx->is_secure_playback) {
+		/* wait decoder done interrupt */
+		timeout = mtk_vcodec_wait_for_done_ctx(inst->ctx, MTK_INST_IRQ_RECEIVED,
+						       WAIT_INTR_TIMEOUT_MS, MTK_VDEC_CORE);
+		if (timeout)
+			mtk_vdec_err(ctx, "core decode timeout: pic_%d", ctx->decoded_frame_cnt);
+		inst->vsi_core->dec.timeout = !!timeout;
 
-	vpu_dec_core_end(vpu);
-	mtk_vdec_debug(ctx, "pic[%d] crc: 0x%x 0x%x 0x%x 0x%x 0x%x 0x%x 0x%x 0x%x",
-		       ctx->decoded_frame_cnt,
+		vpu_dec_core_end(vpu);
+	}
+	mtk_vdec_debug(ctx, "pic[%d] svp:%d crc: 0x%x 0x%x 0x%x 0x%x 0x%x 0x%x 0x%x 0x%x",
+		       ctx->decoded_frame_cnt, ctx->is_secure_playback,
 		       inst->vsi_core->dec.crc[0], inst->vsi_core->dec.crc[1],
 		       inst->vsi_core->dec.crc[2], inst->vsi_core->dec.crc[3],
 		       inst->vsi_core->dec.crc[4], inst->vsi_core->dec.crc[5],
 		       inst->vsi_core->dec.crc[6], inst->vsi_core->dec.crc[7]);
-
 vdec_dec_end:
 	vdec_msg_queue_update_ube_rptr(&lat_buf->ctx->msg_queue, share_info->trans.dma_addr_end);
 	ctx->dev->vdec_pdata->cap_to_disp(ctx, !!err, lat_buf->src_buf_req);
@@ -1015,14 +1026,17 @@ static int vdec_hevc_slice_lat_decode(void *h_vdec, struct mtk_vcodec_mem *bs,
 		vdec_msg_queue_qbuf(&inst->ctx->msg_queue.core_ctx, lat_buf);
 	}
 
-	/* wait decoder done interrupt */
-	timeout = mtk_vcodec_wait_for_done_ctx(inst->ctx, MTK_INST_IRQ_RECEIVED,
-					       WAIT_INTR_TIMEOUT_MS, MTK_VDEC_LAT0);
-	if (timeout)
-		mtk_vdec_err(inst->ctx, "lat decode timeout: pic_%d", inst->slice_dec_num);
-	inst->vsi->dec.timeout = !!timeout;
+	if (!inst->ctx->is_secure_playback) {
+		/* wait decoder done interrupt */
+		timeout = mtk_vcodec_wait_for_done_ctx(inst->ctx, MTK_INST_IRQ_RECEIVED,
+						       WAIT_INTR_TIMEOUT_MS, MTK_VDEC_LAT0);
+		if (timeout)
+			mtk_vdec_err(inst->ctx, "lat decode timeout: pic_%d", inst->slice_dec_num);
+		inst->vsi->dec.timeout = !!timeout;
+
+		err = vpu_dec_end(vpu);
+	}
 
-	err = vpu_dec_end(vpu);
 	if (err == SLICE_HEADER_FULL || err == TRANS_BUFFER_FULL) {
 		if (!IS_VDEC_INNER_RACING(inst->ctx->dev->dec_capability))
 			vdec_msg_queue_qbuf(&inst->ctx->msg_queue.lat_ctx, lat_buf);
@@ -1031,8 +1045,11 @@ static int vdec_hevc_slice_lat_decode(void *h_vdec, struct mtk_vcodec_mem *bs,
 		return -EINVAL;
 	}
 
-	share_info->trans.dma_addr_end = inst->ctx->msg_queue.wdma_addr.dma_addr +
-		inst->vsi->dec.wdma_end_addr_offset;
+	if (inst->ctx->is_secure_playback)
+		share_info->trans.dma_addr_end = inst->vsi->dec.wdma_end_addr_offset;
+	else
+		share_info->trans.dma_addr_end = inst->ctx->msg_queue.wdma_addr.dma_addr +
+			inst->vsi->dec.wdma_end_addr_offset;
 	vdec_msg_queue_update_ube_wptr(&lat_buf->ctx->msg_queue, share_info->trans.dma_addr_end);
 
 	if (!IS_VDEC_INNER_RACING(inst->ctx->dev->dec_capability)) {
@@ -1040,8 +1057,10 @@ static int vdec_hevc_slice_lat_decode(void *h_vdec, struct mtk_vcodec_mem *bs,
 		       sizeof(share_info->hevc_slice_params));
 		vdec_msg_queue_qbuf(&inst->ctx->msg_queue.core_ctx, lat_buf);
 	}
-	mtk_vdec_debug(inst->ctx, "dec num: %d lat crc: 0x%x 0x%x 0x%x", inst->slice_dec_num,
-		       inst->vsi->dec.crc[0], inst->vsi->dec.crc[1], inst->vsi->dec.crc[2]);
+
+	mtk_vdec_debug(inst->ctx, "dec num: %d lat crc: 0x%x 0x%x 0x%x 0x%x size:%d",
+		       inst->slice_dec_num, inst->vsi->dec.crc[0], inst->vsi->dec.crc[1],
+		       inst->vsi->dec.crc[2], inst->vsi->dec.crc[3], (unsigned int)bs->size);
 
 	inst->slice_dec_num++;
 	return 0;
-- 
2.25.1
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