86 lines
1.8 KiB
C
86 lines
1.8 KiB
C
// SPDX-License-Identifier: GPL-2.0-only
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/* Copyright (c) 2015-2018, The Linux Foundation. All rights reserved.
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*/
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#include <linux/iopoll.h>
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#include "dpu_hw_mdss.h"
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#include "dpu_hwio.h"
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#include "dpu_hw_catalog.h"
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#include "dpu_hw_merge3d.h"
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#include "dpu_kms.h"
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#include "dpu_trace.h"
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#define MERGE_3D_MUX 0x000
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#define MERGE_3D_MODE 0x004
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static const struct dpu_merge_3d_cfg *_merge_3d_offset(enum dpu_merge_3d idx,
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const struct dpu_mdss_cfg *m,
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void __iomem *addr,
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struct dpu_hw_blk_reg_map *b)
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{
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int i;
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for (i = 0; i < m->merge_3d_count; i++) {
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if (idx == m->merge_3d[i].id) {
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b->blk_addr = addr + m->merge_3d[i].base;
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b->log_mask = DPU_DBG_MASK_PINGPONG;
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return &m->merge_3d[i];
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}
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}
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return ERR_PTR(-EINVAL);
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}
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static void dpu_hw_merge_3d_setup_3d_mode(struct dpu_hw_merge_3d *merge_3d,
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enum dpu_3d_blend_mode mode_3d)
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{
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struct dpu_hw_blk_reg_map *c;
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u32 data;
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c = &merge_3d->hw;
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if (mode_3d == BLEND_3D_NONE) {
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DPU_REG_WRITE(c, MERGE_3D_MODE, 0);
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DPU_REG_WRITE(c, MERGE_3D_MUX, 0);
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} else {
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data = BIT(0) | ((mode_3d - 1) << 1);
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DPU_REG_WRITE(c, MERGE_3D_MODE, data);
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}
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}
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static void _setup_merge_3d_ops(struct dpu_hw_merge_3d *c,
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unsigned long features)
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{
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c->ops.setup_3d_mode = dpu_hw_merge_3d_setup_3d_mode;
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};
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struct dpu_hw_merge_3d *dpu_hw_merge_3d_init(enum dpu_merge_3d idx,
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void __iomem *addr,
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const struct dpu_mdss_cfg *m)
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{
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struct dpu_hw_merge_3d *c;
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const struct dpu_merge_3d_cfg *cfg;
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c = kzalloc(sizeof(*c), GFP_KERNEL);
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if (!c)
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return ERR_PTR(-ENOMEM);
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cfg = _merge_3d_offset(idx, m, addr, &c->hw);
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if (IS_ERR_OR_NULL(cfg)) {
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kfree(c);
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return ERR_PTR(-EINVAL);
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}
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c->idx = idx;
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c->caps = cfg;
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_setup_merge_3d_ops(c, c->caps->features);
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return c;
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}
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void dpu_hw_merge_3d_destroy(struct dpu_hw_merge_3d *hw)
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{
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kfree(hw);
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}
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