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// SPDX-License-Identifier: GPL-2.0-only
/* Copyright (c) 2015-2018, The Linux Foundation. All rights reserved.
*/
#include <linux/iopoll.h>
#include <drm/drm_managed.h>
#include "dpu_hw_mdss.h"
#include "dpu_hwio.h"
#include "dpu_hw_catalog.h"
#include "dpu_hw_merge3d.h"
#include "dpu_kms.h"
#include "dpu_trace.h"
#define MERGE_3D_MUX 0x000
#define MERGE_3D_MODE 0x004
static void dpu_hw_merge_3d_setup_3d_mode(struct dpu_hw_merge_3d *merge_3d,
enum dpu_3d_blend_mode mode_3d)
{
struct dpu_hw_blk_reg_map *c;
u32 data;
c = &merge_3d->hw;
if (mode_3d == BLEND_3D_NONE) {
DPU_REG_WRITE(c, MERGE_3D_MODE, 0);
DPU_REG_WRITE(c, MERGE_3D_MUX, 0);
} else {
data = BIT(0) | ((mode_3d - 1) << 1);
DPU_REG_WRITE(c, MERGE_3D_MODE, data);
}
}
static void _setup_merge_3d_ops(struct dpu_hw_merge_3d *c,
unsigned long features)
{
c->ops.setup_3d_mode = dpu_hw_merge_3d_setup_3d_mode;
};
/**
* dpu_hw_merge_3d_init() - Initializes the merge_3d driver for the passed
* merge3d catalog entry.
* @dev: Corresponding device for devres management
* @cfg: Pingpong catalog entry for which driver object is required
* @addr: Mapped register io address of MDP
* Return: Error code or allocated dpu_hw_merge_3d context
*/
struct dpu_hw_merge_3d *dpu_hw_merge_3d_init(struct drm_device *dev,
const struct dpu_merge_3d_cfg *cfg,
void __iomem *addr)
{
struct dpu_hw_merge_3d *c;
c = drmm_kzalloc(dev, sizeof(*c), GFP_KERNEL);
if (!c)
return ERR_PTR(-ENOMEM);
c->hw.blk_addr = addr + cfg->base;
c->hw.log_mask = DPU_DBG_MASK_PINGPONG;
c->idx = cfg->id;
c->caps = cfg;
_setup_merge_3d_ops(c, c->caps->features);
return c;
}
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