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1// SPDX-License-Identifier: GPL-2.0-only2/* Copyright (c) 2015-2018, The Linux Foundation. All rights reserved.3 */4 5#include <linux/iopoll.h>6 7#include <drm/drm_managed.h>8 9#include "dpu_hw_mdss.h"10#include "dpu_hwio.h"11#include "dpu_hw_catalog.h"12#include "dpu_hw_merge3d.h"13#include "dpu_kms.h"14#include "dpu_trace.h"15 16#define MERGE_3D_MUX 0x00017#define MERGE_3D_MODE 0x00418 19static void dpu_hw_merge_3d_setup_3d_mode(struct dpu_hw_merge_3d *merge_3d,20 enum dpu_3d_blend_mode mode_3d)21{22 struct dpu_hw_blk_reg_map *c;23 u32 data;24 25 26 c = &merge_3d->hw;27 if (mode_3d == BLEND_3D_NONE) {28 DPU_REG_WRITE(c, MERGE_3D_MODE, 0);29 DPU_REG_WRITE(c, MERGE_3D_MUX, 0);30 } else {31 data = BIT(0) | ((mode_3d - 1) << 1);32 DPU_REG_WRITE(c, MERGE_3D_MODE, data);33 }34}35 36static void _setup_merge_3d_ops(struct dpu_hw_merge_3d *c,37 unsigned long features)38{39 c->ops.setup_3d_mode = dpu_hw_merge_3d_setup_3d_mode;40};41 42struct dpu_hw_merge_3d *dpu_hw_merge_3d_init(struct drm_device *dev,43 const struct dpu_merge_3d_cfg *cfg,44 void __iomem *addr)45{46 struct dpu_hw_merge_3d *c;47 48 c = drmm_kzalloc(dev, sizeof(*c), GFP_KERNEL);49 if (!c)50 return ERR_PTR(-ENOMEM);51 52 c->hw.blk_addr = addr + cfg->base;53 c->hw.log_mask = DPU_DBG_MASK_PINGPONG;54 55 c->idx = cfg->id;56 c->caps = cfg;57 _setup_merge_3d_ops(c, c->caps->features);58 59 return c;60}61