1000 lines
27 KiB
C
1000 lines
27 KiB
C
// SPDX-License-Identifier: GPL-2.0-only
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/*
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* Copyright (c) 2015 MediaTek Inc.
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* Author: YT SHEN <yt.shen@mediatek.com>
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*/
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#include <linux/component.h>
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#include <linux/iommu.h>
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#include <linux/module.h>
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#include <linux/of_address.h>
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#include <linux/of_platform.h>
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#include <linux/pm_runtime.h>
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#include <linux/dma-mapping.h>
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#include <drm/drm_atomic.h>
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#include <drm/drm_atomic_helper.h>
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#include <drm/drm_drv.h>
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#include <drm/drm_fbdev_generic.h>
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#include <drm/drm_fourcc.h>
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#include <drm/drm_gem.h>
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#include <drm/drm_gem_framebuffer_helper.h>
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#include <drm/drm_ioctl.h>
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#include <drm/drm_of.h>
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#include <drm/drm_probe_helper.h>
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#include <drm/drm_vblank.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_drm_gem.h"
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#define DRIVER_NAME "mediatek"
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#define DRIVER_DESC "Mediatek SoC DRM"
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#define DRIVER_DATE "20150513"
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#define DRIVER_MAJOR 1
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#define DRIVER_MINOR 0
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static const struct drm_mode_config_helper_funcs mtk_drm_mode_config_helpers = {
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.atomic_commit_tail = drm_atomic_helper_commit_tail_rpm,
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};
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static struct drm_framebuffer *
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mtk_drm_mode_fb_create(struct drm_device *dev,
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struct drm_file *file,
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const struct drm_mode_fb_cmd2 *cmd)
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{
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const struct drm_format_info *info = drm_get_format_info(dev, cmd);
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if (info->num_planes != 1)
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return ERR_PTR(-EINVAL);
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return drm_gem_fb_create(dev, file, cmd);
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}
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static const struct drm_mode_config_funcs mtk_drm_mode_config_funcs = {
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.fb_create = mtk_drm_mode_fb_create,
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.atomic_check = drm_atomic_helper_check,
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.atomic_commit = drm_atomic_helper_commit,
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};
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static const unsigned int mt2701_mtk_ddp_main[] = {
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DDP_COMPONENT_OVL0,
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DDP_COMPONENT_RDMA0,
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DDP_COMPONENT_COLOR0,
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DDP_COMPONENT_BLS,
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DDP_COMPONENT_DSI0,
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};
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static const unsigned int mt2701_mtk_ddp_ext[] = {
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DDP_COMPONENT_RDMA1,
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DDP_COMPONENT_DPI0,
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};
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static const unsigned int mt7623_mtk_ddp_main[] = {
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DDP_COMPONENT_OVL0,
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DDP_COMPONENT_RDMA0,
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DDP_COMPONENT_COLOR0,
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DDP_COMPONENT_BLS,
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DDP_COMPONENT_DPI0,
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};
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static const unsigned int mt7623_mtk_ddp_ext[] = {
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DDP_COMPONENT_RDMA1,
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DDP_COMPONENT_DSI0,
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};
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static const unsigned int mt2712_mtk_ddp_main[] = {
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DDP_COMPONENT_OVL0,
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DDP_COMPONENT_COLOR0,
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DDP_COMPONENT_AAL0,
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DDP_COMPONENT_OD0,
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DDP_COMPONENT_RDMA0,
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DDP_COMPONENT_DPI0,
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DDP_COMPONENT_PWM0,
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};
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static const unsigned int mt2712_mtk_ddp_ext[] = {
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DDP_COMPONENT_OVL1,
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DDP_COMPONENT_COLOR1,
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DDP_COMPONENT_AAL1,
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DDP_COMPONENT_OD1,
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DDP_COMPONENT_RDMA1,
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DDP_COMPONENT_DPI1,
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DDP_COMPONENT_PWM1,
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};
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static const unsigned int mt2712_mtk_ddp_third[] = {
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DDP_COMPONENT_RDMA2,
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DDP_COMPONENT_DSI3,
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DDP_COMPONENT_PWM2,
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};
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static unsigned int mt8167_mtk_ddp_main[] = {
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DDP_COMPONENT_OVL0,
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DDP_COMPONENT_COLOR0,
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DDP_COMPONENT_CCORR,
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DDP_COMPONENT_AAL0,
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DDP_COMPONENT_GAMMA,
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DDP_COMPONENT_DITHER0,
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DDP_COMPONENT_RDMA0,
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DDP_COMPONENT_DSI0,
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};
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static const unsigned int mt8173_mtk_ddp_main[] = {
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DDP_COMPONENT_OVL0,
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DDP_COMPONENT_COLOR0,
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DDP_COMPONENT_AAL0,
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DDP_COMPONENT_OD0,
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DDP_COMPONENT_RDMA0,
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DDP_COMPONENT_UFOE,
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DDP_COMPONENT_DSI0,
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DDP_COMPONENT_PWM0,
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};
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static const unsigned int mt8173_mtk_ddp_ext[] = {
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DDP_COMPONENT_OVL1,
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DDP_COMPONENT_COLOR1,
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DDP_COMPONENT_GAMMA,
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DDP_COMPONENT_RDMA1,
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DDP_COMPONENT_DPI0,
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};
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static const unsigned int mt8183_mtk_ddp_main[] = {
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DDP_COMPONENT_OVL0,
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DDP_COMPONENT_OVL_2L0,
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DDP_COMPONENT_RDMA0,
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DDP_COMPONENT_COLOR0,
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DDP_COMPONENT_CCORR,
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DDP_COMPONENT_AAL0,
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DDP_COMPONENT_GAMMA,
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DDP_COMPONENT_DITHER0,
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DDP_COMPONENT_DSI0,
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};
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static const unsigned int mt8183_mtk_ddp_ext[] = {
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DDP_COMPONENT_OVL_2L1,
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DDP_COMPONENT_RDMA1,
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DDP_COMPONENT_DPI0,
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};
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static const unsigned int mt8186_mtk_ddp_main[] = {
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DDP_COMPONENT_OVL0,
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DDP_COMPONENT_RDMA0,
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DDP_COMPONENT_COLOR0,
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DDP_COMPONENT_CCORR,
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DDP_COMPONENT_AAL0,
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DDP_COMPONENT_GAMMA,
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DDP_COMPONENT_POSTMASK0,
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DDP_COMPONENT_DITHER0,
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DDP_COMPONENT_DSI0,
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};
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static const unsigned int mt8186_mtk_ddp_ext[] = {
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DDP_COMPONENT_OVL_2L0,
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DDP_COMPONENT_RDMA1,
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DDP_COMPONENT_DPI0,
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};
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static const unsigned int mt8188_mtk_ddp_main[] = {
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DDP_COMPONENT_OVL0,
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DDP_COMPONENT_RDMA0,
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DDP_COMPONENT_COLOR0,
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DDP_COMPONENT_CCORR,
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DDP_COMPONENT_AAL0,
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DDP_COMPONENT_GAMMA,
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DDP_COMPONENT_POSTMASK0,
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DDP_COMPONENT_DITHER0,
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DDP_COMPONENT_DP_INTF0,
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};
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static const unsigned int mt8192_mtk_ddp_main[] = {
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DDP_COMPONENT_OVL0,
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DDP_COMPONENT_OVL_2L0,
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DDP_COMPONENT_RDMA0,
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DDP_COMPONENT_COLOR0,
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DDP_COMPONENT_CCORR,
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DDP_COMPONENT_AAL0,
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DDP_COMPONENT_GAMMA,
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DDP_COMPONENT_POSTMASK0,
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DDP_COMPONENT_DITHER0,
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DDP_COMPONENT_DSI0,
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};
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static const unsigned int mt8192_mtk_ddp_ext[] = {
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DDP_COMPONENT_OVL_2L2,
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DDP_COMPONENT_RDMA4,
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DDP_COMPONENT_DPI0,
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};
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static const unsigned int mt8195_mtk_ddp_main[] = {
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DDP_COMPONENT_OVL0,
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DDP_COMPONENT_RDMA0,
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DDP_COMPONENT_COLOR0,
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DDP_COMPONENT_CCORR,
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DDP_COMPONENT_AAL0,
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DDP_COMPONENT_GAMMA,
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DDP_COMPONENT_DITHER0,
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DDP_COMPONENT_DSC0,
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DDP_COMPONENT_MERGE0,
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DDP_COMPONENT_DP_INTF0,
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};
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static const unsigned int mt8195_mtk_ddp_ext[] = {
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DDP_COMPONENT_DRM_OVL_ADAPTOR,
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DDP_COMPONENT_MERGE5,
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DDP_COMPONENT_DP_INTF1,
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};
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static const struct mtk_mmsys_driver_data mt2701_mmsys_driver_data = {
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.main_path = mt2701_mtk_ddp_main,
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.main_len = ARRAY_SIZE(mt2701_mtk_ddp_main),
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.ext_path = mt2701_mtk_ddp_ext,
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.ext_len = ARRAY_SIZE(mt2701_mtk_ddp_ext),
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.shadow_register = true,
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.mmsys_dev_num = 1,
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};
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static const struct mtk_mmsys_driver_data mt7623_mmsys_driver_data = {
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.main_path = mt7623_mtk_ddp_main,
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.main_len = ARRAY_SIZE(mt7623_mtk_ddp_main),
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.ext_path = mt7623_mtk_ddp_ext,
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.ext_len = ARRAY_SIZE(mt7623_mtk_ddp_ext),
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.shadow_register = true,
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.mmsys_dev_num = 1,
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};
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static const struct mtk_mmsys_driver_data mt2712_mmsys_driver_data = {
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.main_path = mt2712_mtk_ddp_main,
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.main_len = ARRAY_SIZE(mt2712_mtk_ddp_main),
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.ext_path = mt2712_mtk_ddp_ext,
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.ext_len = ARRAY_SIZE(mt2712_mtk_ddp_ext),
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.third_path = mt2712_mtk_ddp_third,
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.third_len = ARRAY_SIZE(mt2712_mtk_ddp_third),
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.mmsys_dev_num = 1,
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};
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static const struct mtk_mmsys_driver_data mt8167_mmsys_driver_data = {
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.main_path = mt8167_mtk_ddp_main,
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.main_len = ARRAY_SIZE(mt8167_mtk_ddp_main),
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.mmsys_dev_num = 1,
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};
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static const struct mtk_mmsys_driver_data mt8173_mmsys_driver_data = {
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.main_path = mt8173_mtk_ddp_main,
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.main_len = ARRAY_SIZE(mt8173_mtk_ddp_main),
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.ext_path = mt8173_mtk_ddp_ext,
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.ext_len = ARRAY_SIZE(mt8173_mtk_ddp_ext),
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.mmsys_dev_num = 1,
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};
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static const struct mtk_mmsys_driver_data mt8183_mmsys_driver_data = {
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.main_path = mt8183_mtk_ddp_main,
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.main_len = ARRAY_SIZE(mt8183_mtk_ddp_main),
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.ext_path = mt8183_mtk_ddp_ext,
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.ext_len = ARRAY_SIZE(mt8183_mtk_ddp_ext),
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.mmsys_dev_num = 1,
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};
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static const struct mtk_mmsys_driver_data mt8186_mmsys_driver_data = {
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.main_path = mt8186_mtk_ddp_main,
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.main_len = ARRAY_SIZE(mt8186_mtk_ddp_main),
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.ext_path = mt8186_mtk_ddp_ext,
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.ext_len = ARRAY_SIZE(mt8186_mtk_ddp_ext),
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.mmsys_dev_num = 1,
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};
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static const struct mtk_mmsys_driver_data mt8188_vdosys0_driver_data = {
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.main_path = mt8188_mtk_ddp_main,
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.main_len = ARRAY_SIZE(mt8188_mtk_ddp_main),
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};
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static const struct mtk_mmsys_driver_data mt8192_mmsys_driver_data = {
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.main_path = mt8192_mtk_ddp_main,
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.main_len = ARRAY_SIZE(mt8192_mtk_ddp_main),
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.ext_path = mt8192_mtk_ddp_ext,
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.ext_len = ARRAY_SIZE(mt8192_mtk_ddp_ext),
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.mmsys_dev_num = 1,
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};
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static const struct mtk_mmsys_driver_data mt8195_vdosys0_driver_data = {
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.main_path = mt8195_mtk_ddp_main,
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.main_len = ARRAY_SIZE(mt8195_mtk_ddp_main),
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.mmsys_dev_num = 2,
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};
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static const struct mtk_mmsys_driver_data mt8195_vdosys1_driver_data = {
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.ext_path = mt8195_mtk_ddp_ext,
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.ext_len = ARRAY_SIZE(mt8195_mtk_ddp_ext),
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.mmsys_id = 1,
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.mmsys_dev_num = 2,
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};
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static const struct of_device_id mtk_drm_of_ids[] = {
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{ .compatible = "mediatek,mt2701-mmsys",
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.data = &mt2701_mmsys_driver_data},
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{ .compatible = "mediatek,mt7623-mmsys",
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.data = &mt7623_mmsys_driver_data},
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{ .compatible = "mediatek,mt2712-mmsys",
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.data = &mt2712_mmsys_driver_data},
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{ .compatible = "mediatek,mt8167-mmsys",
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.data = &mt8167_mmsys_driver_data},
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{ .compatible = "mediatek,mt8173-mmsys",
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.data = &mt8173_mmsys_driver_data},
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{ .compatible = "mediatek,mt8183-mmsys",
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.data = &mt8183_mmsys_driver_data},
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{ .compatible = "mediatek,mt8186-mmsys",
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.data = &mt8186_mmsys_driver_data},
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{ .compatible = "mediatek,mt8188-vdosys0",
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.data = &mt8188_vdosys0_driver_data},
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{ .compatible = "mediatek,mt8192-mmsys",
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.data = &mt8192_mmsys_driver_data},
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{ .compatible = "mediatek,mt8195-mmsys",
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.data = &mt8195_vdosys0_driver_data},
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{ .compatible = "mediatek,mt8195-vdosys0",
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.data = &mt8195_vdosys0_driver_data},
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{ .compatible = "mediatek,mt8195-vdosys1",
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.data = &mt8195_vdosys1_driver_data},
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{ }
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};
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MODULE_DEVICE_TABLE(of, mtk_drm_of_ids);
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static int mtk_drm_match(struct device *dev, void *data)
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{
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if (!strncmp(dev_name(dev), "mediatek-drm", sizeof("mediatek-drm") - 1))
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return true;
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return false;
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}
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static bool mtk_drm_get_all_drm_priv(struct device *dev)
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{
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struct mtk_drm_private *drm_priv = dev_get_drvdata(dev);
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struct mtk_drm_private *all_drm_priv[MAX_CRTC];
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struct device_node *phandle = dev->parent->of_node;
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const struct of_device_id *of_id;
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struct device_node *node;
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struct device *drm_dev;
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unsigned int cnt = 0;
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int i, j;
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for_each_child_of_node(phandle->parent, node) {
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struct platform_device *pdev;
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of_id = of_match_node(mtk_drm_of_ids, node);
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if (!of_id)
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continue;
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pdev = of_find_device_by_node(node);
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if (!pdev)
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continue;
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drm_dev = device_find_child(&pdev->dev, NULL, mtk_drm_match);
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if (!drm_dev || !dev_get_drvdata(drm_dev))
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continue;
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all_drm_priv[cnt] = dev_get_drvdata(drm_dev);
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if (all_drm_priv[cnt] && all_drm_priv[cnt]->mtk_drm_bound)
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cnt++;
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if (cnt == MAX_CRTC)
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break;
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}
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if (drm_priv->data->mmsys_dev_num == cnt) {
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for (i = 0; i < cnt; i++)
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for (j = 0; j < cnt; j++)
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all_drm_priv[j]->all_drm_private[i] = all_drm_priv[i];
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return true;
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}
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return false;
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}
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static bool mtk_drm_find_mmsys_comp(struct mtk_drm_private *private, int comp_id)
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{
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const struct mtk_mmsys_driver_data *drv_data = private->data;
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int i;
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if (drv_data->main_path)
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for (i = 0; i < drv_data->main_len; i++)
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if (drv_data->main_path[i] == comp_id)
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return true;
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if (drv_data->ext_path)
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for (i = 0; i < drv_data->ext_len; i++)
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if (drv_data->ext_path[i] == comp_id)
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return true;
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if (drv_data->third_path)
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for (i = 0; i < drv_data->third_len; i++)
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if (drv_data->third_path[i] == comp_id)
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return true;
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return false;
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}
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static int mtk_drm_kms_init(struct drm_device *drm)
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{
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struct mtk_drm_private *private = drm->dev_private;
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struct mtk_drm_private *priv_n;
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struct device *dma_dev = NULL;
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int ret, i, j;
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if (drm_firmware_drivers_only())
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return -ENODEV;
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ret = drmm_mode_config_init(drm);
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if (ret)
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goto put_mutex_dev;
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drm->mode_config.min_width = 64;
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drm->mode_config.min_height = 64;
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/*
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* set max width and height as default value(4096x4096).
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* this value would be used to check framebuffer size limitation
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* at drm_mode_addfb().
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*/
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drm->mode_config.max_width = 4096;
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drm->mode_config.max_height = 4096;
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drm->mode_config.funcs = &mtk_drm_mode_config_funcs;
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drm->mode_config.helper_private = &mtk_drm_mode_config_helpers;
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for (i = 0; i < private->data->mmsys_dev_num; i++) {
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drm->dev_private = private->all_drm_private[i];
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ret = component_bind_all(private->all_drm_private[i]->dev, drm);
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if (ret)
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|
goto put_mutex_dev;
|
|
}
|
|
|
|
/*
|
|
* Ensure internal panels are at the top of the connector list before
|
|
* crtc creation.
|
|
*/
|
|
drm_helper_move_panel_connectors_to_head(drm);
|
|
|
|
/*
|
|
* 1. We currently support two fixed data streams, each optional,
|
|
* and each statically assigned to a crtc:
|
|
* OVL0 -> COLOR0 -> AAL -> OD -> RDMA0 -> UFOE -> DSI0 ...
|
|
* 2. For multi mmsys architecture, crtc path data are located in
|
|
* different drm private data structures. Loop through crtc index to
|
|
* create crtc from the main path and then ext_path and finally the
|
|
* third path.
|
|
*/
|
|
for (i = 0; i < MAX_CRTC; i++) {
|
|
for (j = 0; j < private->data->mmsys_dev_num; j++) {
|
|
priv_n = private->all_drm_private[j];
|
|
|
|
if (i == 0 && priv_n->data->main_len) {
|
|
ret = mtk_drm_crtc_create(drm, priv_n->data->main_path,
|
|
priv_n->data->main_len, j);
|
|
if (ret)
|
|
goto err_component_unbind;
|
|
|
|
continue;
|
|
} else if (i == 1 && priv_n->data->ext_len) {
|
|
ret = mtk_drm_crtc_create(drm, priv_n->data->ext_path,
|
|
priv_n->data->ext_len, j);
|
|
if (ret)
|
|
goto err_component_unbind;
|
|
|
|
continue;
|
|
} else if (i == 2 && priv_n->data->third_len) {
|
|
ret = mtk_drm_crtc_create(drm, priv_n->data->third_path,
|
|
priv_n->data->third_len, j);
|
|
if (ret)
|
|
goto err_component_unbind;
|
|
|
|
continue;
|
|
}
|
|
}
|
|
}
|
|
|
|
/* Use OVL device for all DMA memory allocations */
|
|
dma_dev = mtk_drm_crtc_dma_dev_get(drm_crtc_from_index(drm, 0));
|
|
if (!dma_dev) {
|
|
ret = -ENODEV;
|
|
dev_err(drm->dev, "Need at least one OVL device\n");
|
|
goto err_component_unbind;
|
|
}
|
|
|
|
for (i = 0; i < private->data->mmsys_dev_num; i++)
|
|
private->all_drm_private[i]->dma_dev = dma_dev;
|
|
|
|
/*
|
|
* Configure the DMA segment size to make sure we get contiguous IOVA
|
|
* when importing PRIME buffers.
|
|
*/
|
|
ret = dma_set_max_seg_size(dma_dev, UINT_MAX);
|
|
if (ret) {
|
|
dev_err(dma_dev, "Failed to set DMA segment size\n");
|
|
goto err_component_unbind;
|
|
}
|
|
|
|
ret = drm_vblank_init(drm, MAX_CRTC);
|
|
if (ret < 0)
|
|
goto err_component_unbind;
|
|
|
|
drm_kms_helper_poll_init(drm);
|
|
drm_mode_config_reset(drm);
|
|
|
|
return 0;
|
|
|
|
err_component_unbind:
|
|
for (i = 0; i < private->data->mmsys_dev_num; i++)
|
|
component_unbind_all(private->all_drm_private[i]->dev, drm);
|
|
put_mutex_dev:
|
|
for (i = 0; i < private->data->mmsys_dev_num; i++)
|
|
put_device(private->all_drm_private[i]->mutex_dev);
|
|
|
|
return ret;
|
|
}
|
|
|
|
static void mtk_drm_kms_deinit(struct drm_device *drm)
|
|
{
|
|
drm_kms_helper_poll_fini(drm);
|
|
drm_atomic_helper_shutdown(drm);
|
|
|
|
component_unbind_all(drm->dev, drm);
|
|
}
|
|
|
|
DEFINE_DRM_GEM_FOPS(mtk_drm_fops);
|
|
|
|
/*
|
|
* We need to override this because the device used to import the memory is
|
|
* not dev->dev, as drm_gem_prime_import() expects.
|
|
*/
|
|
static struct drm_gem_object *mtk_drm_gem_prime_import(struct drm_device *dev,
|
|
struct dma_buf *dma_buf)
|
|
{
|
|
struct mtk_drm_private *private = dev->dev_private;
|
|
|
|
return drm_gem_prime_import_dev(dev, dma_buf, private->dma_dev);
|
|
}
|
|
|
|
static const struct drm_driver mtk_drm_driver = {
|
|
.driver_features = DRIVER_MODESET | DRIVER_GEM | DRIVER_ATOMIC,
|
|
|
|
.dumb_create = mtk_drm_gem_dumb_create,
|
|
|
|
.prime_handle_to_fd = drm_gem_prime_handle_to_fd,
|
|
.prime_fd_to_handle = drm_gem_prime_fd_to_handle,
|
|
.gem_prime_import = mtk_drm_gem_prime_import,
|
|
.gem_prime_import_sg_table = mtk_gem_prime_import_sg_table,
|
|
.gem_prime_mmap = drm_gem_prime_mmap,
|
|
.fops = &mtk_drm_fops,
|
|
|
|
.name = DRIVER_NAME,
|
|
.desc = DRIVER_DESC,
|
|
.date = DRIVER_DATE,
|
|
.major = DRIVER_MAJOR,
|
|
.minor = DRIVER_MINOR,
|
|
};
|
|
|
|
static int compare_dev(struct device *dev, void *data)
|
|
{
|
|
return dev == (struct device *)data;
|
|
}
|
|
|
|
static int mtk_drm_bind(struct device *dev)
|
|
{
|
|
struct mtk_drm_private *private = dev_get_drvdata(dev);
|
|
struct platform_device *pdev;
|
|
struct drm_device *drm;
|
|
int ret, i;
|
|
|
|
if (!iommu_present(&platform_bus_type))
|
|
return -EPROBE_DEFER;
|
|
|
|
pdev = of_find_device_by_node(private->mutex_node);
|
|
if (!pdev) {
|
|
dev_err(dev, "Waiting for disp-mutex device %pOF\n",
|
|
private->mutex_node);
|
|
of_node_put(private->mutex_node);
|
|
return -EPROBE_DEFER;
|
|
}
|
|
|
|
private->mutex_dev = &pdev->dev;
|
|
private->mtk_drm_bound = true;
|
|
private->dev = dev;
|
|
|
|
if (!mtk_drm_get_all_drm_priv(dev))
|
|
return 0;
|
|
|
|
drm = drm_dev_alloc(&mtk_drm_driver, dev);
|
|
if (IS_ERR(drm))
|
|
return PTR_ERR(drm);
|
|
|
|
private->drm_master = true;
|
|
drm->dev_private = private;
|
|
for (i = 0; i < private->data->mmsys_dev_num; i++)
|
|
private->all_drm_private[i]->drm = drm;
|
|
|
|
ret = mtk_drm_kms_init(drm);
|
|
if (ret < 0)
|
|
goto err_free;
|
|
|
|
ret = drm_dev_register(drm, 0);
|
|
if (ret < 0)
|
|
goto err_deinit;
|
|
|
|
drm_fbdev_generic_setup(drm, 32);
|
|
|
|
return 0;
|
|
|
|
err_deinit:
|
|
mtk_drm_kms_deinit(drm);
|
|
err_free:
|
|
private->drm = NULL;
|
|
drm_dev_put(drm);
|
|
return ret;
|
|
}
|
|
|
|
static void mtk_drm_unbind(struct device *dev)
|
|
{
|
|
struct mtk_drm_private *private = dev_get_drvdata(dev);
|
|
|
|
/* for multi mmsys dev, unregister drm dev in mmsys master */
|
|
if (private->drm_master) {
|
|
drm_dev_unregister(private->drm);
|
|
mtk_drm_kms_deinit(private->drm);
|
|
drm_dev_put(private->drm);
|
|
}
|
|
private->mtk_drm_bound = false;
|
|
private->drm_master = false;
|
|
private->drm = NULL;
|
|
}
|
|
|
|
static const struct component_master_ops mtk_drm_ops = {
|
|
.bind = mtk_drm_bind,
|
|
.unbind = mtk_drm_unbind,
|
|
};
|
|
|
|
static const struct of_device_id mtk_ddp_comp_dt_ids[] = {
|
|
{ .compatible = "mediatek,mt8167-disp-aal",
|
|
.data = (void *)MTK_DISP_AAL},
|
|
{ .compatible = "mediatek,mt8173-disp-aal",
|
|
.data = (void *)MTK_DISP_AAL},
|
|
{ .compatible = "mediatek,mt8183-disp-aal",
|
|
.data = (void *)MTK_DISP_AAL},
|
|
{ .compatible = "mediatek,mt8192-disp-aal",
|
|
.data = (void *)MTK_DISP_AAL},
|
|
{ .compatible = "mediatek,mt8167-disp-ccorr",
|
|
.data = (void *)MTK_DISP_CCORR },
|
|
{ .compatible = "mediatek,mt8183-disp-ccorr",
|
|
.data = (void *)MTK_DISP_CCORR },
|
|
{ .compatible = "mediatek,mt8192-disp-ccorr",
|
|
.data = (void *)MTK_DISP_CCORR },
|
|
{ .compatible = "mediatek,mt2701-disp-color",
|
|
.data = (void *)MTK_DISP_COLOR },
|
|
{ .compatible = "mediatek,mt8167-disp-color",
|
|
.data = (void *)MTK_DISP_COLOR },
|
|
{ .compatible = "mediatek,mt8173-disp-color",
|
|
.data = (void *)MTK_DISP_COLOR },
|
|
{ .compatible = "mediatek,mt8167-disp-dither",
|
|
.data = (void *)MTK_DISP_DITHER },
|
|
{ .compatible = "mediatek,mt8183-disp-dither",
|
|
.data = (void *)MTK_DISP_DITHER },
|
|
{ .compatible = "mediatek,mt8195-disp-dsc",
|
|
.data = (void *)MTK_DISP_DSC },
|
|
{ .compatible = "mediatek,mt8167-disp-gamma",
|
|
.data = (void *)MTK_DISP_GAMMA, },
|
|
{ .compatible = "mediatek,mt8173-disp-gamma",
|
|
.data = (void *)MTK_DISP_GAMMA, },
|
|
{ .compatible = "mediatek,mt8183-disp-gamma",
|
|
.data = (void *)MTK_DISP_GAMMA, },
|
|
{ .compatible = "mediatek,mt8195-disp-merge",
|
|
.data = (void *)MTK_DISP_MERGE },
|
|
{ .compatible = "mediatek,mt2701-disp-mutex",
|
|
.data = (void *)MTK_DISP_MUTEX },
|
|
{ .compatible = "mediatek,mt2712-disp-mutex",
|
|
.data = (void *)MTK_DISP_MUTEX },
|
|
{ .compatible = "mediatek,mt8167-disp-mutex",
|
|
.data = (void *)MTK_DISP_MUTEX },
|
|
{ .compatible = "mediatek,mt8173-disp-mutex",
|
|
.data = (void *)MTK_DISP_MUTEX },
|
|
{ .compatible = "mediatek,mt8183-disp-mutex",
|
|
.data = (void *)MTK_DISP_MUTEX },
|
|
{ .compatible = "mediatek,mt8186-disp-mutex",
|
|
.data = (void *)MTK_DISP_MUTEX },
|
|
{ .compatible = "mediatek,mt8188-disp-mutex",
|
|
.data = (void *)MTK_DISP_MUTEX },
|
|
{ .compatible = "mediatek,mt8192-disp-mutex",
|
|
.data = (void *)MTK_DISP_MUTEX },
|
|
{ .compatible = "mediatek,mt8195-disp-mutex",
|
|
.data = (void *)MTK_DISP_MUTEX },
|
|
{ .compatible = "mediatek,mt8173-disp-od",
|
|
.data = (void *)MTK_DISP_OD },
|
|
{ .compatible = "mediatek,mt2701-disp-ovl",
|
|
.data = (void *)MTK_DISP_OVL },
|
|
{ .compatible = "mediatek,mt8167-disp-ovl",
|
|
.data = (void *)MTK_DISP_OVL },
|
|
{ .compatible = "mediatek,mt8173-disp-ovl",
|
|
.data = (void *)MTK_DISP_OVL },
|
|
{ .compatible = "mediatek,mt8183-disp-ovl",
|
|
.data = (void *)MTK_DISP_OVL },
|
|
{ .compatible = "mediatek,mt8192-disp-ovl",
|
|
.data = (void *)MTK_DISP_OVL },
|
|
{ .compatible = "mediatek,mt8183-disp-ovl-2l",
|
|
.data = (void *)MTK_DISP_OVL_2L },
|
|
{ .compatible = "mediatek,mt8192-disp-ovl-2l",
|
|
.data = (void *)MTK_DISP_OVL_2L },
|
|
{ .compatible = "mediatek,mt8192-disp-postmask",
|
|
.data = (void *)MTK_DISP_POSTMASK },
|
|
{ .compatible = "mediatek,mt2701-disp-pwm",
|
|
.data = (void *)MTK_DISP_BLS },
|
|
{ .compatible = "mediatek,mt8167-disp-pwm",
|
|
.data = (void *)MTK_DISP_PWM },
|
|
{ .compatible = "mediatek,mt8173-disp-pwm",
|
|
.data = (void *)MTK_DISP_PWM },
|
|
{ .compatible = "mediatek,mt2701-disp-rdma",
|
|
.data = (void *)MTK_DISP_RDMA },
|
|
{ .compatible = "mediatek,mt8167-disp-rdma",
|
|
.data = (void *)MTK_DISP_RDMA },
|
|
{ .compatible = "mediatek,mt8173-disp-rdma",
|
|
.data = (void *)MTK_DISP_RDMA },
|
|
{ .compatible = "mediatek,mt8183-disp-rdma",
|
|
.data = (void *)MTK_DISP_RDMA },
|
|
{ .compatible = "mediatek,mt8195-disp-rdma",
|
|
.data = (void *)MTK_DISP_RDMA },
|
|
{ .compatible = "mediatek,mt8173-disp-ufoe",
|
|
.data = (void *)MTK_DISP_UFOE },
|
|
{ .compatible = "mediatek,mt8173-disp-wdma",
|
|
.data = (void *)MTK_DISP_WDMA },
|
|
{ .compatible = "mediatek,mt2701-dpi",
|
|
.data = (void *)MTK_DPI },
|
|
{ .compatible = "mediatek,mt8167-dsi",
|
|
.data = (void *)MTK_DSI },
|
|
{ .compatible = "mediatek,mt8173-dpi",
|
|
.data = (void *)MTK_DPI },
|
|
{ .compatible = "mediatek,mt8183-dpi",
|
|
.data = (void *)MTK_DPI },
|
|
{ .compatible = "mediatek,mt8186-dpi",
|
|
.data = (void *)MTK_DPI },
|
|
{ .compatible = "mediatek,mt8188-dp-intf",
|
|
.data = (void *)MTK_DP_INTF },
|
|
{ .compatible = "mediatek,mt8192-dpi",
|
|
.data = (void *)MTK_DPI },
|
|
{ .compatible = "mediatek,mt8195-dp-intf",
|
|
.data = (void *)MTK_DP_INTF },
|
|
{ .compatible = "mediatek,mt2701-dsi",
|
|
.data = (void *)MTK_DSI },
|
|
{ .compatible = "mediatek,mt8173-dsi",
|
|
.data = (void *)MTK_DSI },
|
|
{ .compatible = "mediatek,mt8183-dsi",
|
|
.data = (void *)MTK_DSI },
|
|
{ .compatible = "mediatek,mt8186-dsi",
|
|
.data = (void *)MTK_DSI },
|
|
{ }
|
|
};
|
|
|
|
static int mtk_drm_probe(struct platform_device *pdev)
|
|
{
|
|
struct device *dev = &pdev->dev;
|
|
struct device_node *phandle = dev->parent->of_node;
|
|
const struct of_device_id *of_id;
|
|
struct mtk_drm_private *private;
|
|
struct device_node *node;
|
|
struct component_match *match = NULL;
|
|
struct platform_device *ovl_adaptor;
|
|
int ret;
|
|
int i;
|
|
|
|
private = devm_kzalloc(dev, sizeof(*private), GFP_KERNEL);
|
|
if (!private)
|
|
return -ENOMEM;
|
|
|
|
private->mmsys_dev = dev->parent;
|
|
if (!private->mmsys_dev) {
|
|
dev_err(dev, "Failed to get MMSYS device\n");
|
|
return -ENODEV;
|
|
}
|
|
|
|
of_id = of_match_node(mtk_drm_of_ids, phandle);
|
|
if (!of_id)
|
|
return -ENODEV;
|
|
|
|
private->data = of_id->data;
|
|
|
|
private->all_drm_private = devm_kmalloc_array(dev, private->data->mmsys_dev_num,
|
|
sizeof(*private->all_drm_private),
|
|
GFP_KERNEL);
|
|
if (!private->all_drm_private)
|
|
return -ENOMEM;
|
|
|
|
/* Bringup ovl_adaptor */
|
|
if (mtk_drm_find_mmsys_comp(private, DDP_COMPONENT_DRM_OVL_ADAPTOR)) {
|
|
ovl_adaptor = platform_device_register_data(dev, "mediatek-disp-ovl-adaptor",
|
|
PLATFORM_DEVID_AUTO,
|
|
(void *)private->mmsys_dev,
|
|
sizeof(*private->mmsys_dev));
|
|
private->ddp_comp[DDP_COMPONENT_DRM_OVL_ADAPTOR].dev = &ovl_adaptor->dev;
|
|
mtk_ddp_comp_init(NULL, &private->ddp_comp[DDP_COMPONENT_DRM_OVL_ADAPTOR],
|
|
DDP_COMPONENT_DRM_OVL_ADAPTOR);
|
|
component_match_add(dev, &match, compare_dev, &ovl_adaptor->dev);
|
|
}
|
|
|
|
/* Iterate over sibling DISP function blocks */
|
|
for_each_child_of_node(phandle->parent, node) {
|
|
const struct of_device_id *of_id;
|
|
enum mtk_ddp_comp_type comp_type;
|
|
int comp_id;
|
|
|
|
of_id = of_match_node(mtk_ddp_comp_dt_ids, node);
|
|
if (!of_id)
|
|
continue;
|
|
|
|
if (!of_device_is_available(node)) {
|
|
dev_dbg(dev, "Skipping disabled component %pOF\n",
|
|
node);
|
|
continue;
|
|
}
|
|
|
|
comp_type = (enum mtk_ddp_comp_type)(uintptr_t)of_id->data;
|
|
|
|
if (comp_type == MTK_DISP_MUTEX) {
|
|
int id;
|
|
|
|
id = of_alias_get_id(node, "mutex");
|
|
if (id < 0 || id == private->data->mmsys_id) {
|
|
private->mutex_node = of_node_get(node);
|
|
dev_dbg(dev, "get mutex for mmsys %d", private->data->mmsys_id);
|
|
}
|
|
continue;
|
|
}
|
|
|
|
comp_id = mtk_ddp_comp_get_id(node, comp_type);
|
|
if (comp_id < 0) {
|
|
dev_warn(dev, "Skipping unknown component %pOF\n",
|
|
node);
|
|
continue;
|
|
}
|
|
|
|
if (!mtk_drm_find_mmsys_comp(private, comp_id))
|
|
continue;
|
|
|
|
private->comp_node[comp_id] = of_node_get(node);
|
|
|
|
/*
|
|
* Currently only the AAL, CCORR, COLOR, GAMMA, MERGE, OVL, RDMA, DSI, and DPI
|
|
* blocks have separate component platform drivers and initialize their own
|
|
* DDP component structure. The others are initialized here.
|
|
*/
|
|
if (comp_type == MTK_DISP_AAL ||
|
|
comp_type == MTK_DISP_CCORR ||
|
|
comp_type == MTK_DISP_COLOR ||
|
|
comp_type == MTK_DISP_GAMMA ||
|
|
comp_type == MTK_DISP_MERGE ||
|
|
comp_type == MTK_DISP_OVL ||
|
|
comp_type == MTK_DISP_OVL_2L ||
|
|
comp_type == MTK_DISP_OVL_ADAPTOR ||
|
|
comp_type == MTK_DISP_RDMA ||
|
|
comp_type == MTK_DP_INTF ||
|
|
comp_type == MTK_DPI ||
|
|
comp_type == MTK_DSI) {
|
|
dev_info(dev, "Adding component match for %pOF\n",
|
|
node);
|
|
drm_of_component_match_add(dev, &match, component_compare_of,
|
|
node);
|
|
}
|
|
|
|
ret = mtk_ddp_comp_init(node, &private->ddp_comp[comp_id], comp_id);
|
|
if (ret) {
|
|
of_node_put(node);
|
|
goto err_node;
|
|
}
|
|
}
|
|
|
|
if (!private->mutex_node) {
|
|
dev_err(dev, "Failed to find disp-mutex node\n");
|
|
ret = -ENODEV;
|
|
goto err_node;
|
|
}
|
|
|
|
pm_runtime_enable(dev);
|
|
|
|
platform_set_drvdata(pdev, private);
|
|
|
|
ret = component_master_add_with_match(dev, &mtk_drm_ops, match);
|
|
if (ret)
|
|
goto err_pm;
|
|
|
|
return 0;
|
|
|
|
err_pm:
|
|
pm_runtime_disable(dev);
|
|
err_node:
|
|
of_node_put(private->mutex_node);
|
|
for (i = 0; i < DDP_COMPONENT_DRM_ID_MAX; i++)
|
|
of_node_put(private->comp_node[i]);
|
|
return ret;
|
|
}
|
|
|
|
static int mtk_drm_remove(struct platform_device *pdev)
|
|
{
|
|
struct mtk_drm_private *private = platform_get_drvdata(pdev);
|
|
int i;
|
|
|
|
component_master_del(&pdev->dev, &mtk_drm_ops);
|
|
pm_runtime_disable(&pdev->dev);
|
|
of_node_put(private->mutex_node);
|
|
for (i = 0; i < DDP_COMPONENT_DRM_ID_MAX; i++)
|
|
of_node_put(private->comp_node[i]);
|
|
|
|
return 0;
|
|
}
|
|
|
|
static int mtk_drm_sys_prepare(struct device *dev)
|
|
{
|
|
struct mtk_drm_private *private = dev_get_drvdata(dev);
|
|
struct drm_device *drm = private->drm;
|
|
|
|
if (private->drm_master)
|
|
return drm_mode_config_helper_suspend(drm);
|
|
else
|
|
return 0;
|
|
}
|
|
|
|
static void mtk_drm_sys_complete(struct device *dev)
|
|
{
|
|
struct mtk_drm_private *private = dev_get_drvdata(dev);
|
|
struct drm_device *drm = private->drm;
|
|
int ret = 0;
|
|
|
|
if (private->drm_master)
|
|
ret = drm_mode_config_helper_resume(drm);
|
|
if (ret)
|
|
dev_err(dev, "Failed to resume\n");
|
|
}
|
|
|
|
static const struct dev_pm_ops mtk_drm_pm_ops = {
|
|
.prepare = mtk_drm_sys_prepare,
|
|
.complete = mtk_drm_sys_complete,
|
|
};
|
|
|
|
static struct platform_driver mtk_drm_platform_driver = {
|
|
.probe = mtk_drm_probe,
|
|
.remove = mtk_drm_remove,
|
|
.driver = {
|
|
.name = "mediatek-drm",
|
|
.pm = &mtk_drm_pm_ops,
|
|
},
|
|
};
|
|
|
|
static struct platform_driver * const mtk_drm_drivers[] = {
|
|
&mtk_disp_aal_driver,
|
|
&mtk_disp_ccorr_driver,
|
|
&mtk_disp_color_driver,
|
|
&mtk_disp_gamma_driver,
|
|
&mtk_disp_merge_driver,
|
|
&mtk_disp_ovl_adaptor_driver,
|
|
&mtk_disp_ovl_driver,
|
|
&mtk_disp_rdma_driver,
|
|
&mtk_dpi_driver,
|
|
&mtk_drm_platform_driver,
|
|
&mtk_dsi_driver,
|
|
&mtk_ethdr_driver,
|
|
&mtk_mdp_rdma_driver,
|
|
};
|
|
|
|
static int __init mtk_drm_init(void)
|
|
{
|
|
return platform_register_drivers(mtk_drm_drivers,
|
|
ARRAY_SIZE(mtk_drm_drivers));
|
|
}
|
|
|
|
static void __exit mtk_drm_exit(void)
|
|
{
|
|
platform_unregister_drivers(mtk_drm_drivers,
|
|
ARRAY_SIZE(mtk_drm_drivers));
|
|
}
|
|
|
|
module_init(mtk_drm_init);
|
|
module_exit(mtk_drm_exit);
|
|
|
|
MODULE_AUTHOR("YT SHEN <yt.shen@mediatek.com>");
|
|
MODULE_DESCRIPTION("Mediatek SoC DRM driver");
|
|
MODULE_LICENSE("GPL v2");
|