drm/mediatek: Add ovl_adaptor support for MT8195
Add ovl_adaptor driver for MT8195. Ovl_adaptor is an encapsulated module and designed for simplified DRM control flow. This module is composed of 8 RDMAs, 4 MERGEs and an ETHDR. Two RDMAs merge into one layer, so this module support 4 layers. Signed-off-by: Nancy.Lin <nancy.lin@mediatek.com> Reviewed-by: AngeloGioacchino Del Regno <angelogioacchino.delregno@collabora.com> Tested-by: AngeloGioacchino Del Regno <angelogioacchino.delregno@collabora.com> Tested-by: Bo-Chen Chen <rex-bc.chen@mediatek.com> Link: https://patchwork.kernel.org/project/linux-mediatek/patch/20230321121859.2355-4-nancy.lin@mediatek.com/ Signed-off-by: Chun-Kuang Hu <chunkuang.hu@kernel.org>
This commit is contained in:
Nancy.Lin
Chun-Kuang Hu
parent
d886c0009b
commit
453c336463
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@ -6,6 +6,7 @@ mediatek-drm-y := mtk_disp_aal.o \
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mtk_disp_gamma.o \
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mtk_disp_merge.o \
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mtk_disp_ovl.o \
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mtk_disp_ovl_adaptor.o \
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mtk_disp_rdma.o \
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mtk_drm_crtc.o \
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mtk_drm_ddp_comp.o \
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@ -7,6 +7,8 @@
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#define _MTK_DISP_DRV_H_
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#include <linux/soc/mediatek/mtk-cmdq.h>
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#include <linux/soc/mediatek/mtk-mmsys.h>
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#include <linux/soc/mediatek/mtk-mutex.h>
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#include "mtk_drm_plane.h"
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#include "mtk_mdp_rdma.h"
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@ -99,6 +101,30 @@ void mtk_ovl_disable_vblank(struct device *dev);
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const u32 *mtk_ovl_get_formats(struct device *dev);
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size_t mtk_ovl_get_num_formats(struct device *dev);
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void mtk_ovl_adaptor_add_comp(struct device *dev, struct mtk_mutex *mutex);
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void mtk_ovl_adaptor_remove_comp(struct device *dev, struct mtk_mutex *mutex);
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void mtk_ovl_adaptor_connect(struct device *dev, struct device *mmsys_dev,
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unsigned int next);
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void mtk_ovl_adaptor_disconnect(struct device *dev, struct device *mmsys_dev,
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unsigned int next);
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int mtk_ovl_adaptor_clk_enable(struct device *dev);
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void mtk_ovl_adaptor_clk_disable(struct device *dev);
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void mtk_ovl_adaptor_config(struct device *dev, unsigned int w,
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unsigned int h, unsigned int vrefresh,
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unsigned int bpc, struct cmdq_pkt *cmdq_pkt);
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void mtk_ovl_adaptor_layer_config(struct device *dev, unsigned int idx,
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struct mtk_plane_state *state,
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struct cmdq_pkt *cmdq_pkt);
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void mtk_ovl_adaptor_register_vblank_cb(struct device *dev, void (*vblank_cb)(void *),
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void *vblank_cb_data);
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void mtk_ovl_adaptor_unregister_vblank_cb(struct device *dev);
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void mtk_ovl_adaptor_enable_vblank(struct device *dev);
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void mtk_ovl_adaptor_disable_vblank(struct device *dev);
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void mtk_ovl_adaptor_start(struct device *dev);
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void mtk_ovl_adaptor_stop(struct device *dev);
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unsigned int mtk_ovl_adaptor_layer_nr(struct device *dev);
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struct device *mtk_ovl_adaptor_dma_dev_get(struct device *dev);
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void mtk_rdma_bypass_shadow(struct device *dev);
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int mtk_rdma_clk_enable(struct device *dev);
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void mtk_rdma_clk_disable(struct device *dev);
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@ -0,0 +1,533 @@
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// SPDX-License-Identifier: GPL-2.0-only
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/*
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* Copyright (c) 2021 MediaTek Inc.
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*/
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#include <drm/drm_fourcc.h>
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#include <drm/drm_of.h>
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#include <linux/clk.h>
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#include <linux/component.h>
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#include <linux/of_device.h>
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#include <linux/of_address.h>
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#include <linux/platform_device.h>
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#include <linux/pm_runtime.h>
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#include <linux/reset.h>
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#include <linux/soc/mediatek/mtk-cmdq.h>
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#include <linux/soc/mediatek/mtk-mmsys.h>
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#include <linux/soc/mediatek/mtk-mutex.h>
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#include "mtk_disp_drv.h"
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#include "mtk_drm_crtc.h"
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#include "mtk_drm_ddp_comp.h"
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#include "mtk_drm_drv.h"
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#include "mtk_ethdr.h"
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#define MTK_OVL_ADAPTOR_RDMA_MAX_WIDTH 1920
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#define MTK_OVL_ADAPTOR_LAYER_NUM 4
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enum mtk_ovl_adaptor_comp_type {
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OVL_ADAPTOR_TYPE_RDMA = 0,
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OVL_ADAPTOR_TYPE_MERGE,
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OVL_ADAPTOR_TYPE_ETHDR,
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OVL_ADAPTOR_TYPE_NUM,
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};
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enum mtk_ovl_adaptor_comp_id {
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OVL_ADAPTOR_MDP_RDMA0,
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OVL_ADAPTOR_MDP_RDMA1,
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OVL_ADAPTOR_MDP_RDMA2,
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OVL_ADAPTOR_MDP_RDMA3,
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OVL_ADAPTOR_MDP_RDMA4,
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OVL_ADAPTOR_MDP_RDMA5,
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OVL_ADAPTOR_MDP_RDMA6,
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OVL_ADAPTOR_MDP_RDMA7,
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OVL_ADAPTOR_MERGE0,
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OVL_ADAPTOR_MERGE1,
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OVL_ADAPTOR_MERGE2,
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OVL_ADAPTOR_MERGE3,
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OVL_ADAPTOR_ETHDR0,
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OVL_ADAPTOR_ID_MAX
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};
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struct ovl_adaptor_comp_match {
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enum mtk_ovl_adaptor_comp_type type;
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int alias_id;
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};
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struct mtk_disp_ovl_adaptor {
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struct device *ovl_adaptor_comp[OVL_ADAPTOR_ID_MAX];
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struct device *mmsys_dev;
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bool children_bound;
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};
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static const char * const private_comp_stem[OVL_ADAPTOR_TYPE_NUM] = {
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[OVL_ADAPTOR_TYPE_RDMA] = "vdo1-rdma",
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[OVL_ADAPTOR_TYPE_MERGE] = "merge",
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[OVL_ADAPTOR_TYPE_ETHDR] = "ethdr",
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};
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static const struct ovl_adaptor_comp_match comp_matches[OVL_ADAPTOR_ID_MAX] = {
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[OVL_ADAPTOR_MDP_RDMA0] = { OVL_ADAPTOR_TYPE_RDMA, 0 },
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[OVL_ADAPTOR_MDP_RDMA1] = { OVL_ADAPTOR_TYPE_RDMA, 1 },
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[OVL_ADAPTOR_MDP_RDMA2] = { OVL_ADAPTOR_TYPE_RDMA, 2 },
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[OVL_ADAPTOR_MDP_RDMA3] = { OVL_ADAPTOR_TYPE_RDMA, 3 },
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[OVL_ADAPTOR_MDP_RDMA4] = { OVL_ADAPTOR_TYPE_RDMA, 4 },
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[OVL_ADAPTOR_MDP_RDMA5] = { OVL_ADAPTOR_TYPE_RDMA, 5 },
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[OVL_ADAPTOR_MDP_RDMA6] = { OVL_ADAPTOR_TYPE_RDMA, 6 },
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[OVL_ADAPTOR_MDP_RDMA7] = { OVL_ADAPTOR_TYPE_RDMA, 7 },
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[OVL_ADAPTOR_MERGE0] = { OVL_ADAPTOR_TYPE_MERGE, 1 },
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[OVL_ADAPTOR_MERGE1] = { OVL_ADAPTOR_TYPE_MERGE, 2 },
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[OVL_ADAPTOR_MERGE2] = { OVL_ADAPTOR_TYPE_MERGE, 3 },
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[OVL_ADAPTOR_MERGE3] = { OVL_ADAPTOR_TYPE_MERGE, 4 },
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[OVL_ADAPTOR_ETHDR0] = { OVL_ADAPTOR_TYPE_ETHDR, 0 },
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};
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void mtk_ovl_adaptor_layer_config(struct device *dev, unsigned int idx,
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struct mtk_plane_state *state,
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struct cmdq_pkt *cmdq_pkt)
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{
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struct mtk_disp_ovl_adaptor *ovl_adaptor = dev_get_drvdata(dev);
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struct mtk_plane_pending_state *pending = &state->pending;
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struct mtk_mdp_rdma_cfg rdma_config = {0};
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struct device *rdma_l;
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struct device *rdma_r;
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struct device *merge;
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struct device *ethdr;
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const struct drm_format_info *fmt_info = drm_format_info(pending->format);
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bool use_dual_pipe = false;
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unsigned int align_width;
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unsigned int l_w = 0;
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unsigned int r_w = 0;
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dev_dbg(dev, "%s+ idx:%d, enable:%d, fmt:0x%x\n", __func__, idx,
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pending->enable, pending->format);
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dev_dbg(dev, "addr 0x%pad, fb w:%d, {%d,%d,%d,%d}\n",
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&pending->addr, (pending->pitch / fmt_info->cpp[0]),
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pending->x, pending->y, pending->width, pending->height);
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rdma_l = ovl_adaptor->ovl_adaptor_comp[OVL_ADAPTOR_MDP_RDMA0 + 2 * idx];
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rdma_r = ovl_adaptor->ovl_adaptor_comp[OVL_ADAPTOR_MDP_RDMA0 + 2 * idx + 1];
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merge = ovl_adaptor->ovl_adaptor_comp[OVL_ADAPTOR_MERGE0 + idx];
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ethdr = ovl_adaptor->ovl_adaptor_comp[OVL_ADAPTOR_ETHDR0];
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if (!pending->enable) {
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mtk_merge_stop_cmdq(merge, cmdq_pkt);
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mtk_mdp_rdma_stop(rdma_l, cmdq_pkt);
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mtk_mdp_rdma_stop(rdma_r, cmdq_pkt);
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mtk_ethdr_layer_config(ethdr, idx, state, cmdq_pkt);
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return;
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}
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/* ETHDR is in 1T2P domain, width needs to be 2 pixels align */
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align_width = ALIGN_DOWN(pending->width, 2);
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if (align_width > MTK_OVL_ADAPTOR_RDMA_MAX_WIDTH)
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use_dual_pipe = true;
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if (use_dual_pipe) {
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l_w = (align_width / 2) + ((pending->width / 2) % 2);
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r_w = align_width - l_w;
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} else {
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l_w = align_width;
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}
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mtk_merge_advance_config(merge, l_w, r_w, pending->height, 0, 0, cmdq_pkt);
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mtk_mmsys_merge_async_config(ovl_adaptor->mmsys_dev, idx, align_width / 2,
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pending->height, cmdq_pkt);
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rdma_config.width = l_w;
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rdma_config.height = pending->height;
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rdma_config.addr0 = pending->addr;
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rdma_config.pitch = pending->pitch;
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rdma_config.fmt = pending->format;
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rdma_config.color_encoding = pending->color_encoding;
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mtk_mdp_rdma_config(rdma_l, &rdma_config, cmdq_pkt);
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if (use_dual_pipe) {
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rdma_config.x_left = l_w;
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rdma_config.width = r_w;
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mtk_mdp_rdma_config(rdma_r, &rdma_config, cmdq_pkt);
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}
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mtk_merge_start_cmdq(merge, cmdq_pkt);
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mtk_mdp_rdma_start(rdma_l, cmdq_pkt);
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if (use_dual_pipe)
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mtk_mdp_rdma_start(rdma_r, cmdq_pkt);
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else
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mtk_mdp_rdma_stop(rdma_r, cmdq_pkt);
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mtk_ethdr_layer_config(ethdr, idx, state, cmdq_pkt);
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}
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void mtk_ovl_adaptor_config(struct device *dev, unsigned int w,
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unsigned int h, unsigned int vrefresh,
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unsigned int bpc, struct cmdq_pkt *cmdq_pkt)
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{
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struct mtk_disp_ovl_adaptor *ovl_adaptor = dev_get_drvdata(dev);
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mtk_ethdr_config(ovl_adaptor->ovl_adaptor_comp[OVL_ADAPTOR_ETHDR0], w, h,
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vrefresh, bpc, cmdq_pkt);
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}
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void mtk_ovl_adaptor_start(struct device *dev)
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{
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struct mtk_disp_ovl_adaptor *ovl_adaptor = dev_get_drvdata(dev);
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mtk_ethdr_start(ovl_adaptor->ovl_adaptor_comp[OVL_ADAPTOR_ETHDR0]);
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}
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void mtk_ovl_adaptor_stop(struct device *dev)
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{
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struct mtk_disp_ovl_adaptor *ovl_adaptor = dev_get_drvdata(dev);
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mtk_ethdr_stop(ovl_adaptor->ovl_adaptor_comp[OVL_ADAPTOR_ETHDR0]);
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}
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int mtk_ovl_adaptor_clk_enable(struct device *dev)
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{
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struct mtk_disp_ovl_adaptor *ovl_adaptor = dev_get_drvdata(dev);
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struct device *comp;
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int ret;
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int i;
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for (i = 0; i < OVL_ADAPTOR_MERGE0; i++) {
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comp = ovl_adaptor->ovl_adaptor_comp[i];
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ret = pm_runtime_get_sync(comp);
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if (ret < 0) {
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dev_err(dev, "Failed to enable power domain %d, err %d\n", i, ret);
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goto pwr_err;
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}
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}
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for (i = 0; i < OVL_ADAPTOR_ID_MAX; i++) {
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comp = ovl_adaptor->ovl_adaptor_comp[i];
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if (i < OVL_ADAPTOR_MERGE0)
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ret = mtk_mdp_rdma_clk_enable(comp);
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else if (i < OVL_ADAPTOR_ETHDR0)
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ret = mtk_merge_clk_enable(comp);
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else
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ret = mtk_ethdr_clk_enable(comp);
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if (ret) {
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dev_err(dev, "Failed to enable clock %d, err %d\n", i, ret);
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goto clk_err;
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}
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}
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return ret;
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clk_err:
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while (--i >= 0) {
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comp = ovl_adaptor->ovl_adaptor_comp[i];
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if (i < OVL_ADAPTOR_MERGE0)
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mtk_mdp_rdma_clk_disable(comp);
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else if (i < OVL_ADAPTOR_ETHDR0)
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mtk_merge_clk_disable(comp);
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else
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mtk_ethdr_clk_disable(comp);
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}
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i = OVL_ADAPTOR_MERGE0;
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pwr_err:
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while (--i >= 0)
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pm_runtime_put(ovl_adaptor->ovl_adaptor_comp[i]);
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return ret;
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}
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void mtk_ovl_adaptor_clk_disable(struct device *dev)
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{
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struct mtk_disp_ovl_adaptor *ovl_adaptor = dev_get_drvdata(dev);
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struct device *comp;
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int i;
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for (i = 0; i < OVL_ADAPTOR_ID_MAX; i++) {
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comp = ovl_adaptor->ovl_adaptor_comp[i];
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if (i < OVL_ADAPTOR_MERGE0) {
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mtk_mdp_rdma_clk_disable(comp);
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pm_runtime_put(comp);
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} else if (i < OVL_ADAPTOR_ETHDR0) {
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mtk_merge_clk_disable(comp);
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} else {
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mtk_ethdr_clk_disable(comp);
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}
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}
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}
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unsigned int mtk_ovl_adaptor_layer_nr(struct device *dev)
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{
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return MTK_OVL_ADAPTOR_LAYER_NUM;
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}
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struct device *mtk_ovl_adaptor_dma_dev_get(struct device *dev)
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{
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struct mtk_disp_ovl_adaptor *ovl_adaptor = dev_get_drvdata(dev);
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return ovl_adaptor->ovl_adaptor_comp[OVL_ADAPTOR_MDP_RDMA0];
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}
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void mtk_ovl_adaptor_register_vblank_cb(struct device *dev, void (*vblank_cb)(void *),
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void *vblank_cb_data)
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{
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struct mtk_disp_ovl_adaptor *ovl_adaptor = dev_get_drvdata(dev);
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mtk_ethdr_register_vblank_cb(ovl_adaptor->ovl_adaptor_comp[OVL_ADAPTOR_ETHDR0],
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vblank_cb, vblank_cb_data);
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}
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void mtk_ovl_adaptor_unregister_vblank_cb(struct device *dev)
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{
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struct mtk_disp_ovl_adaptor *ovl_adaptor = dev_get_drvdata(dev);
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mtk_ethdr_unregister_vblank_cb(ovl_adaptor->ovl_adaptor_comp[OVL_ADAPTOR_ETHDR0]);
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}
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void mtk_ovl_adaptor_enable_vblank(struct device *dev)
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{
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struct mtk_disp_ovl_adaptor *ovl_adaptor = dev_get_drvdata(dev);
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mtk_ethdr_enable_vblank(ovl_adaptor->ovl_adaptor_comp[OVL_ADAPTOR_ETHDR0]);
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}
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void mtk_ovl_adaptor_disable_vblank(struct device *dev)
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{
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struct mtk_disp_ovl_adaptor *ovl_adaptor = dev_get_drvdata(dev);
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mtk_ethdr_disable_vblank(ovl_adaptor->ovl_adaptor_comp[OVL_ADAPTOR_ETHDR0]);
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}
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void mtk_ovl_adaptor_add_comp(struct device *dev, struct mtk_mutex *mutex)
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{
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mtk_mutex_add_comp(mutex, DDP_COMPONENT_MDP_RDMA0);
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mtk_mutex_add_comp(mutex, DDP_COMPONENT_MDP_RDMA1);
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mtk_mutex_add_comp(mutex, DDP_COMPONENT_MDP_RDMA2);
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mtk_mutex_add_comp(mutex, DDP_COMPONENT_MDP_RDMA3);
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mtk_mutex_add_comp(mutex, DDP_COMPONENT_MDP_RDMA4);
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mtk_mutex_add_comp(mutex, DDP_COMPONENT_MDP_RDMA5);
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mtk_mutex_add_comp(mutex, DDP_COMPONENT_MDP_RDMA6);
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mtk_mutex_add_comp(mutex, DDP_COMPONENT_MDP_RDMA7);
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mtk_mutex_add_comp(mutex, DDP_COMPONENT_MERGE1);
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mtk_mutex_add_comp(mutex, DDP_COMPONENT_MERGE2);
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mtk_mutex_add_comp(mutex, DDP_COMPONENT_MERGE3);
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mtk_mutex_add_comp(mutex, DDP_COMPONENT_MERGE4);
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mtk_mutex_add_comp(mutex, DDP_COMPONENT_ETHDR_MIXER);
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}
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void mtk_ovl_adaptor_remove_comp(struct device *dev, struct mtk_mutex *mutex)
|
||||
{
|
||||
mtk_mutex_remove_comp(mutex, DDP_COMPONENT_MDP_RDMA0);
|
||||
mtk_mutex_remove_comp(mutex, DDP_COMPONENT_MDP_RDMA1);
|
||||
mtk_mutex_remove_comp(mutex, DDP_COMPONENT_MDP_RDMA2);
|
||||
mtk_mutex_remove_comp(mutex, DDP_COMPONENT_MDP_RDMA3);
|
||||
mtk_mutex_remove_comp(mutex, DDP_COMPONENT_MDP_RDMA4);
|
||||
mtk_mutex_remove_comp(mutex, DDP_COMPONENT_MDP_RDMA5);
|
||||
mtk_mutex_remove_comp(mutex, DDP_COMPONENT_MDP_RDMA6);
|
||||
mtk_mutex_remove_comp(mutex, DDP_COMPONENT_MDP_RDMA7);
|
||||
mtk_mutex_remove_comp(mutex, DDP_COMPONENT_MERGE1);
|
||||
mtk_mutex_remove_comp(mutex, DDP_COMPONENT_MERGE2);
|
||||
mtk_mutex_remove_comp(mutex, DDP_COMPONENT_MERGE3);
|
||||
mtk_mutex_remove_comp(mutex, DDP_COMPONENT_MERGE4);
|
||||
mtk_mutex_remove_comp(mutex, DDP_COMPONENT_ETHDR_MIXER);
|
||||
}
|
||||
|
||||
void mtk_ovl_adaptor_connect(struct device *dev, struct device *mmsys_dev, unsigned int next)
|
||||
{
|
||||
mtk_mmsys_ddp_connect(mmsys_dev, DDP_COMPONENT_MDP_RDMA0, DDP_COMPONENT_MERGE1);
|
||||
mtk_mmsys_ddp_connect(mmsys_dev, DDP_COMPONENT_MDP_RDMA1, DDP_COMPONENT_MERGE1);
|
||||
mtk_mmsys_ddp_connect(mmsys_dev, DDP_COMPONENT_MDP_RDMA2, DDP_COMPONENT_MERGE2);
|
||||
mtk_mmsys_ddp_connect(mmsys_dev, DDP_COMPONENT_MERGE1, DDP_COMPONENT_ETHDR_MIXER);
|
||||
mtk_mmsys_ddp_connect(mmsys_dev, DDP_COMPONENT_MERGE2, DDP_COMPONENT_ETHDR_MIXER);
|
||||
mtk_mmsys_ddp_connect(mmsys_dev, DDP_COMPONENT_MERGE3, DDP_COMPONENT_ETHDR_MIXER);
|
||||
mtk_mmsys_ddp_connect(mmsys_dev, DDP_COMPONENT_MERGE4, DDP_COMPONENT_ETHDR_MIXER);
|
||||
mtk_mmsys_ddp_connect(mmsys_dev, DDP_COMPONENT_ETHDR_MIXER, next);
|
||||
}
|
||||
|
||||
void mtk_ovl_adaptor_disconnect(struct device *dev, struct device *mmsys_dev, unsigned int next)
|
||||
{
|
||||
mtk_mmsys_ddp_disconnect(mmsys_dev, DDP_COMPONENT_MDP_RDMA0, DDP_COMPONENT_MERGE1);
|
||||
mtk_mmsys_ddp_disconnect(mmsys_dev, DDP_COMPONENT_MDP_RDMA1, DDP_COMPONENT_MERGE1);
|
||||
mtk_mmsys_ddp_disconnect(mmsys_dev, DDP_COMPONENT_MDP_RDMA2, DDP_COMPONENT_MERGE2);
|
||||
mtk_mmsys_ddp_disconnect(mmsys_dev, DDP_COMPONENT_MERGE1, DDP_COMPONENT_ETHDR_MIXER);
|
||||
mtk_mmsys_ddp_disconnect(mmsys_dev, DDP_COMPONENT_MERGE2, DDP_COMPONENT_ETHDR_MIXER);
|
||||
mtk_mmsys_ddp_disconnect(mmsys_dev, DDP_COMPONENT_MERGE3, DDP_COMPONENT_ETHDR_MIXER);
|
||||
mtk_mmsys_ddp_disconnect(mmsys_dev, DDP_COMPONENT_MERGE4, DDP_COMPONENT_ETHDR_MIXER);
|
||||
mtk_mmsys_ddp_disconnect(mmsys_dev, DDP_COMPONENT_ETHDR_MIXER, next);
|
||||
}
|
||||
|
||||
static int ovl_adaptor_comp_get_id(struct device *dev, struct device_node *node,
|
||||
enum mtk_ovl_adaptor_comp_type type)
|
||||
{
|
||||
int alias_id = of_alias_get_id(node, private_comp_stem[type]);
|
||||
int i;
|
||||
|
||||
for (i = 0; i < ARRAY_SIZE(comp_matches); i++)
|
||||
if (comp_matches[i].type == type &&
|
||||
comp_matches[i].alias_id == alias_id)
|
||||
return i;
|
||||
|
||||
dev_warn(dev, "Failed to get id. type: %d, alias: %d\n", type, alias_id);
|
||||
return -EINVAL;
|
||||
}
|
||||
|
||||
static const struct of_device_id mtk_ovl_adaptor_comp_dt_ids[] = {
|
||||
{
|
||||
.compatible = "mediatek,mt8195-vdo1-rdma",
|
||||
.data = (void *)OVL_ADAPTOR_TYPE_RDMA,
|
||||
}, {
|
||||
.compatible = "mediatek,mt8195-disp-merge",
|
||||
.data = (void *)OVL_ADAPTOR_TYPE_MERGE,
|
||||
}, {
|
||||
.compatible = "mediatek,mt8195-disp-ethdr",
|
||||
.data = (void *)OVL_ADAPTOR_TYPE_ETHDR,
|
||||
},
|
||||
{},
|
||||
};
|
||||
|
||||
static int compare_of(struct device *dev, void *data)
|
||||
{
|
||||
return dev->of_node == data;
|
||||
}
|
||||
|
||||
static int ovl_adaptor_comp_init(struct device *dev, struct component_match **match)
|
||||
{
|
||||
struct mtk_disp_ovl_adaptor *priv = dev_get_drvdata(dev);
|
||||
struct device_node *node, *parent;
|
||||
struct platform_device *comp_pdev;
|
||||
|
||||
parent = dev->parent->parent->of_node->parent;
|
||||
|
||||
for_each_child_of_node(parent, node) {
|
||||
const struct of_device_id *of_id;
|
||||
enum mtk_ovl_adaptor_comp_type type;
|
||||
int id;
|
||||
|
||||
of_id = of_match_node(mtk_ovl_adaptor_comp_dt_ids, node);
|
||||
if (!of_id)
|
||||
continue;
|
||||
|
||||
if (!of_device_is_available(node)) {
|
||||
dev_dbg(dev, "Skipping disabled component %pOF\n",
|
||||
node);
|
||||
continue;
|
||||
}
|
||||
|
||||
type = (enum mtk_ovl_adaptor_comp_type)of_id->data;
|
||||
id = ovl_adaptor_comp_get_id(dev, node, type);
|
||||
if (id < 0) {
|
||||
dev_warn(dev, "Skipping unknown component %pOF\n",
|
||||
node);
|
||||
continue;
|
||||
}
|
||||
|
||||
comp_pdev = of_find_device_by_node(node);
|
||||
if (!comp_pdev)
|
||||
return -EPROBE_DEFER;
|
||||
|
||||
priv->ovl_adaptor_comp[id] = &comp_pdev->dev;
|
||||
|
||||
drm_of_component_match_add(dev, match, compare_of, node);
|
||||
dev_dbg(dev, "Adding component match for %pOF\n", node);
|
||||
}
|
||||
|
||||
if (!*match) {
|
||||
dev_err(dev, "No match device for ovl_adaptor\n");
|
||||
return -ENODEV;
|
||||
}
|
||||
|
||||
return 0;
|
||||
}
|
||||
|
||||
static int mtk_disp_ovl_adaptor_comp_bind(struct device *dev, struct device *master,
|
||||
void *data)
|
||||
{
|
||||
struct mtk_disp_ovl_adaptor *priv = dev_get_drvdata(dev);
|
||||
|
||||
if (!priv->children_bound)
|
||||
return -EPROBE_DEFER;
|
||||
|
||||
return 0;
|
||||
}
|
||||
|
||||
static void mtk_disp_ovl_adaptor_comp_unbind(struct device *dev, struct device *master,
|
||||
void *data)
|
||||
{
|
||||
}
|
||||
|
||||
static const struct component_ops mtk_disp_ovl_adaptor_comp_ops = {
|
||||
.bind = mtk_disp_ovl_adaptor_comp_bind,
|
||||
.unbind = mtk_disp_ovl_adaptor_comp_unbind,
|
||||
};
|
||||
|
||||
static int mtk_disp_ovl_adaptor_master_bind(struct device *dev)
|
||||
{
|
||||
struct mtk_disp_ovl_adaptor *priv = dev_get_drvdata(dev);
|
||||
int ret;
|
||||
|
||||
ret = component_bind_all(dev, priv->mmsys_dev);
|
||||
if (ret)
|
||||
return dev_err_probe(dev, ret, "component_bind_all failed!\n");
|
||||
|
||||
priv->children_bound = true;
|
||||
return 0;
|
||||
}
|
||||
|
||||
static void mtk_disp_ovl_adaptor_master_unbind(struct device *dev)
|
||||
{
|
||||
struct mtk_disp_ovl_adaptor *priv = dev_get_drvdata(dev);
|
||||
|
||||
priv->children_bound = false;
|
||||
}
|
||||
|
||||
static const struct component_master_ops mtk_disp_ovl_adaptor_master_ops = {
|
||||
.bind = mtk_disp_ovl_adaptor_master_bind,
|
||||
.unbind = mtk_disp_ovl_adaptor_master_unbind,
|
||||
};
|
||||
|
||||
static int mtk_disp_ovl_adaptor_probe(struct platform_device *pdev)
|
||||
{
|
||||
struct mtk_disp_ovl_adaptor *priv;
|
||||
struct device *dev = &pdev->dev;
|
||||
struct component_match *match = NULL;
|
||||
int ret;
|
||||
|
||||
priv = devm_kzalloc(dev, sizeof(*priv), GFP_KERNEL);
|
||||
if (!priv)
|
||||
return -ENOMEM;
|
||||
|
||||
platform_set_drvdata(pdev, priv);
|
||||
|
||||
ret = ovl_adaptor_comp_init(dev, &match);
|
||||
if (ret < 0)
|
||||
return ret;
|
||||
|
||||
priv->mmsys_dev = pdev->dev.platform_data;
|
||||
|
||||
component_master_add_with_match(dev, &mtk_disp_ovl_adaptor_master_ops, match);
|
||||
|
||||
pm_runtime_enable(dev);
|
||||
|
||||
ret = component_add(dev, &mtk_disp_ovl_adaptor_comp_ops);
|
||||
if (ret != 0) {
|
||||
pm_runtime_disable(dev);
|
||||
dev_err(dev, "Failed to add component: %d\n", ret);
|
||||
}
|
||||
|
||||
return ret;
|
||||
}
|
||||
|
||||
static int mtk_disp_ovl_adaptor_remove(struct platform_device *pdev)
|
||||
{
|
||||
component_master_del(&pdev->dev, &mtk_disp_ovl_adaptor_master_ops);
|
||||
pm_runtime_disable(&pdev->dev);
|
||||
return 0;
|
||||
}
|
||||
|
||||
struct platform_driver mtk_disp_ovl_adaptor_driver = {
|
||||
.probe = mtk_disp_ovl_adaptor_probe,
|
||||
.remove = mtk_disp_ovl_adaptor_remove,
|
||||
.driver = {
|
||||
.name = "mediatek-disp-ovl-adaptor",
|
||||
.owner = THIS_MODULE,
|
||||
},
|
||||
};
|
||||
|
|
@ -51,6 +51,7 @@ extern struct platform_driver mtk_disp_ccorr_driver;
|
|||
extern struct platform_driver mtk_disp_color_driver;
|
||||
extern struct platform_driver mtk_disp_gamma_driver;
|
||||
extern struct platform_driver mtk_disp_merge_driver;
|
||||
extern struct platform_driver mtk_disp_ovl_adaptor_driver;
|
||||
extern struct platform_driver mtk_disp_ovl_driver;
|
||||
extern struct platform_driver mtk_disp_rdma_driver;
|
||||
extern struct platform_driver mtk_dpi_driver;
|
||||
|
|
|
|||
Loading…
Reference in New Issue