[PATCH v19, 16/19] media: mtk-vcodec: Add core dec and dec end ipi msg

[Yunfei Dong]

Add core dec and dec end ipi msg:
AP_IPIMSG_DEC_CORE/AP_IPIMSG_DEC_CORE_END.

Signed-off-by: Yunfei Dong <yunfei.dong at mediatek.com>
Reviewed-by: AngeloGioacchino Del Regno <angelogioacchino.delregno at collabora.com>
---
 .../media/platform/mtk-vcodec/vdec_ipi_msg.h   |  4 ++++
 .../media/platform/mtk-vcodec/vdec_vpu_if.c    | 12 ++++++++++++
 .../media/platform/mtk-vcodec/vdec_vpu_if.h    | 18 ++++++++++++++++++
 3 files changed, 34 insertions(+)

diff --git a/drivers/media/platform/mtk-vcodec/vdec_ipi_msg.h b/drivers/media/platform/mtk-vcodec/vdec_ipi_msg.h
index 5f45a537beb4..9d8079c4f976 100644
--- a/drivers/media/platform/mtk-vcodec/vdec_ipi_msg.h
+++ b/drivers/media/platform/mtk-vcodec/vdec_ipi_msg.h
@@ -18,12 +18,16 @@ enum vdec_ipi_msgid {
 	AP_IPIMSG_DEC_END = 0xA002,
 	AP_IPIMSG_DEC_DEINIT = 0xA003,
 	AP_IPIMSG_DEC_RESET = 0xA004,
+	AP_IPIMSG_DEC_CORE = 0xA005,
+	AP_IPIMSG_DEC_CORE_END = 0xA006,
 
 	VPU_IPIMSG_DEC_INIT_ACK = 0xB000,
 	VPU_IPIMSG_DEC_START_ACK = 0xB001,
 	VPU_IPIMSG_DEC_END_ACK = 0xB002,
 	VPU_IPIMSG_DEC_DEINIT_ACK = 0xB003,
 	VPU_IPIMSG_DEC_RESET_ACK = 0xB004,
+	VPU_IPIMSG_DEC_CORE_ACK = 0xB005,
+	VPU_IPIMSG_DEC_CORE_END_ACK = 0xB006,
 };
 
 /**
diff --git a/drivers/media/platform/mtk-vcodec/vdec_vpu_if.c b/drivers/media/platform/mtk-vcodec/vdec_vpu_if.c
index 5dffc459a33d..bfd8e87dceff 100644
--- a/drivers/media/platform/mtk-vcodec/vdec_vpu_if.c
+++ b/drivers/media/platform/mtk-vcodec/vdec_vpu_if.c
@@ -85,6 +85,8 @@ static void vpu_dec_ipi_handler(void *data, unsigned int len, void *priv)
 		case VPU_IPIMSG_DEC_END_ACK:
 		case VPU_IPIMSG_DEC_DEINIT_ACK:
 		case VPU_IPIMSG_DEC_RESET_ACK:
+		case VPU_IPIMSG_DEC_CORE_ACK:
+		case VPU_IPIMSG_DEC_CORE_END_ACK:
 			break;
 
 		default:
@@ -191,11 +193,21 @@ int vpu_dec_start(struct vdec_vpu_inst *vpu, uint32_t *data, unsigned int len)
 	return err;
 }
 
+int vpu_dec_core(struct vdec_vpu_inst *vpu)
+{
+	return vcodec_send_ap_ipi(vpu, AP_IPIMSG_DEC_CORE);
+}
+
 int vpu_dec_end(struct vdec_vpu_inst *vpu)
 {
 	return vcodec_send_ap_ipi(vpu, AP_IPIMSG_DEC_END);
 }
 
+int vpu_dec_core_end(struct vdec_vpu_inst *vpu)
+{
+	return vcodec_send_ap_ipi(vpu, AP_IPIMSG_DEC_CORE_END);
+}
+
 int vpu_dec_deinit(struct vdec_vpu_inst *vpu)
 {
 	return vcodec_send_ap_ipi(vpu, AP_IPIMSG_DEC_DEINIT);
diff --git a/drivers/media/platform/mtk-vcodec/vdec_vpu_if.h b/drivers/media/platform/mtk-vcodec/vdec_vpu_if.h
index c2ed5b6cab8b..ae24b75d1649 100644
--- a/drivers/media/platform/mtk-vcodec/vdec_vpu_if.h
+++ b/drivers/media/platform/mtk-vcodec/vdec_vpu_if.h
@@ -82,4 +82,22 @@ int vpu_dec_deinit(struct vdec_vpu_inst *vpu);
  */
 int vpu_dec_reset(struct vdec_vpu_inst *vpu);
 
+/**
+ * vpu_dec_core - core start decoding, basically the function will be invoked once
+ *                 every frame.
+ *
+ * @vpu : instance for vdec_vpu_inst
+ */
+int vpu_dec_core(struct vdec_vpu_inst *vpu);
+
+/**
+ * vpu_dec_core_end - core end decoding, basically the function will be invoked once
+ *               when core HW decoding done and receive interrupt successfully. The
+ *               decoder in VPU will updata hardware information and deinit hardware
+ *               and check if there is a new decoded frame available to display.
+ *
+ * @vpu : instance for vdec_vpu_inst
+ */
+int vpu_dec_core_end(struct vdec_vpu_inst *vpu);
+
 #endif
-- 
2.25.1