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-rw-r--r--include/dt-bindings/memory/mt2701-larb-port.h85
-rw-r--r--include/linux/iommu.h3
2 files changed, 88 insertions, 0 deletions
diff --git a/include/dt-bindings/memory/mt2701-larb-port.h b/include/dt-bindings/memory/mt2701-larb-port.h
new file mode 100644
index 000000000000..78f66786da91
--- /dev/null
+++ b/include/dt-bindings/memory/mt2701-larb-port.h
@@ -0,0 +1,85 @@
+/*
+ * Copyright (c) 2015 MediaTek Inc.
+ * Author: Honghui Zhang <honghui.zhang@mediatek.com>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ */
+
+#ifndef _MT2701_LARB_PORT_H_
+#define _MT2701_LARB_PORT_H_
+
+/*
+ * Mediatek m4u generation 1 such as mt2701 has flat m4u port numbers,
+ * the first port's id for larb[N] would be the last port's id of larb[N - 1]
+ * plus one while larb[0]'s first port number is 0. The definition of
+ * MT2701_M4U_ID_LARBx is following HW register spec.
+ * But m4u generation 2 like mt8173 have different port number, it use fixed
+ * offset for each larb, the first port's id for larb[N] would be (N * 32).
+ */
+#define LARB0_PORT_OFFSET 0
+#define LARB1_PORT_OFFSET 11
+#define LARB2_PORT_OFFSET 21
+#define LARB3_PORT_OFFSET 43
+
+#define MT2701_M4U_ID_LARB0(port) ((port) + LARB0_PORT_OFFSET)
+#define MT2701_M4U_ID_LARB1(port) ((port) + LARB1_PORT_OFFSET)
+#define MT2701_M4U_ID_LARB2(port) ((port) + LARB2_PORT_OFFSET)
+
+/* Port define for larb0 */
+#define MT2701_M4U_PORT_DISP_OVL_0 MT2701_M4U_ID_LARB0(0)
+#define MT2701_M4U_PORT_DISP_RDMA1 MT2701_M4U_ID_LARB0(1)
+#define MT2701_M4U_PORT_DISP_RDMA MT2701_M4U_ID_LARB0(2)
+#define MT2701_M4U_PORT_DISP_WDMA MT2701_M4U_ID_LARB0(3)
+#define MT2701_M4U_PORT_MM_CMDQ MT2701_M4U_ID_LARB0(4)
+#define MT2701_M4U_PORT_MDP_RDMA MT2701_M4U_ID_LARB0(5)
+#define MT2701_M4U_PORT_MDP_WDMA MT2701_M4U_ID_LARB0(6)
+#define MT2701_M4U_PORT_MDP_ROTO MT2701_M4U_ID_LARB0(7)
+#define MT2701_M4U_PORT_MDP_ROTCO MT2701_M4U_ID_LARB0(8)
+#define MT2701_M4U_PORT_MDP_ROTVO MT2701_M4U_ID_LARB0(9)
+#define MT2701_M4U_PORT_MDP_RDMA1 MT2701_M4U_ID_LARB0(10)
+
+/* Port define for larb1 */
+#define MT2701_M4U_PORT_VDEC_MC_EXT MT2701_M4U_ID_LARB1(0)
+#define MT2701_M4U_PORT_VDEC_PP_EXT MT2701_M4U_ID_LARB1(1)
+#define MT2701_M4U_PORT_VDEC_PPWRAP_EXT MT2701_M4U_ID_LARB1(2)
+#define MT2701_M4U_PORT_VDEC_AVC_MV_EXT MT2701_M4U_ID_LARB1(3)
+#define MT2701_M4U_PORT_VDEC_PRED_RD_EXT MT2701_M4U_ID_LARB1(4)
+#define MT2701_M4U_PORT_VDEC_PRED_WR_EXT MT2701_M4U_ID_LARB1(5)
+#define MT2701_M4U_PORT_VDEC_VLD_EXT MT2701_M4U_ID_LARB1(6)
+#define MT2701_M4U_PORT_VDEC_VLD2_EXT MT2701_M4U_ID_LARB1(7)
+#define MT2701_M4U_PORT_VDEC_TILE_EXT MT2701_M4U_ID_LARB1(8)
+#define MT2701_M4U_PORT_VDEC_IMG_RESZ_EXT MT2701_M4U_ID_LARB1(9)
+
+/* Port define for larb2 */
+#define MT2701_M4U_PORT_VENC_RCPU MT2701_M4U_ID_LARB2(0)
+#define MT2701_M4U_PORT_VENC_REC_FRM MT2701_M4U_ID_LARB2(1)
+#define MT2701_M4U_PORT_VENC_BSDMA MT2701_M4U_ID_LARB2(2)
+#define MT2701_M4U_PORT_JPGENC_RDMA MT2701_M4U_ID_LARB2(3)
+#define MT2701_M4U_PORT_VENC_LT_RCPU MT2701_M4U_ID_LARB2(4)
+#define MT2701_M4U_PORT_VENC_LT_REC_FRM MT2701_M4U_ID_LARB2(5)
+#define MT2701_M4U_PORT_VENC_LT_BSDMA MT2701_M4U_ID_LARB2(6)
+#define MT2701_M4U_PORT_JPGDEC_BSDMA MT2701_M4U_ID_LARB2(7)
+#define MT2701_M4U_PORT_VENC_SV_COMV MT2701_M4U_ID_LARB2(8)
+#define MT2701_M4U_PORT_VENC_RD_COMV MT2701_M4U_ID_LARB2(9)
+#define MT2701_M4U_PORT_JPGENC_BSDMA MT2701_M4U_ID_LARB2(10)
+#define MT2701_M4U_PORT_VENC_CUR_LUMA MT2701_M4U_ID_LARB2(11)
+#define MT2701_M4U_PORT_VENC_CUR_CHROMA MT2701_M4U_ID_LARB2(12)
+#define MT2701_M4U_PORT_VENC_REF_LUMA MT2701_M4U_ID_LARB2(13)
+#define MT2701_M4U_PORT_VENC_REF_CHROMA MT2701_M4U_ID_LARB2(14)
+#define MT2701_M4U_PORT_IMG_RESZ MT2701_M4U_ID_LARB2(15)
+#define MT2701_M4U_PORT_VENC_LT_SV_COMV MT2701_M4U_ID_LARB2(16)
+#define MT2701_M4U_PORT_VENC_LT_RD_COMV MT2701_M4U_ID_LARB2(17)
+#define MT2701_M4U_PORT_VENC_LT_CUR_LUMA MT2701_M4U_ID_LARB2(18)
+#define MT2701_M4U_PORT_VENC_LT_CUR_CHROMA MT2701_M4U_ID_LARB2(19)
+#define MT2701_M4U_PORT_VENC_LT_REF_LUMA MT2701_M4U_ID_LARB2(20)
+#define MT2701_M4U_PORT_VENC_LT_REF_CHROMA MT2701_M4U_ID_LARB2(21)
+#define MT2701_M4U_PORT_JPGDEC_WDMA MT2701_M4U_ID_LARB2(22)
+
+#endif
diff --git a/include/linux/iommu.h b/include/linux/iommu.h
index 664683aedcce..a35fb8b42e1a 100644
--- a/include/linux/iommu.h
+++ b/include/linux/iommu.h
@@ -152,6 +152,7 @@ struct iommu_dm_region {
* @domain_set_attr: Change domain attributes
* @get_dm_regions: Request list of direct mapping requirements for a device
* @put_dm_regions: Free list of direct mapping requirements for a device
+ * @apply_dm_region: Temporary helper call-back for iova reserved ranges
* @domain_window_enable: Configure and enable a particular window for a domain
* @domain_window_disable: Disable a particular window for a domain
* @domain_set_windows: Set the number of windows for a domain
@@ -186,6 +187,8 @@ struct iommu_ops {
/* Request/Free a list of direct mapping requirements for a device */
void (*get_dm_regions)(struct device *dev, struct list_head *list);
void (*put_dm_regions)(struct device *dev, struct list_head *list);
+ void (*apply_dm_region)(struct device *dev, struct iommu_domain *domain,
+ struct iommu_dm_region *region);
/* Window handling functions */
int (*domain_window_enable)(struct iommu_domain *domain, u32 wnd_nr,