linux-kernel.vger.kernel.org archive mirror
 help / color / mirror / Atom feed
From: Yongqiang Niu <yongqiang.niu@mediatek.com>
To: CK Hu <ck.hu@mediatek.com>,
	Philipp Zabel <p.zabel@pengutronix.de>,
	Rob Herring <robh+dt@kernel.org>,
	Matthias Brugger <matthias.bgg@gmail.com>
Cc: David Airlie <airlied@linux.ie>, Daniel Vetter <daniel@ffwll.ch>,
	Mark Rutland <mark.rutland@arm.com>,
	<dri-devel@lists.freedesktop.org>, <devicetree@vger.kernel.org>,
	<linux-kernel@vger.kernel.org>,
	<linux-arm-kernel@lists.infradead.org>,
	<linux-mediatek@lists.infradead.org>,
	<Project_Global_Chrome_Upstream_Group@mediatek.com>,
	Hsin-Yi Wang <hsinyi@chromium.org>,
	Yongqiang Niu <yongqiang.niu@mediatek.com>
Subject: [PATCH v3, 05/15] drm/mediatek: add component POSTMASK
Date: Mon, 11 Jan 2021 15:43:41 +0800	[thread overview]
Message-ID: <1610351031-21133-6-git-send-email-yongqiang.niu@mediatek.com> (raw)
In-Reply-To: <1610351031-21133-1-git-send-email-yongqiang.niu@mediatek.com>

This patch add component POSTMASK,

Signed-off-by: Yongqiang Niu <yongqiang.niu@mediatek.com>
---
 drivers/gpu/drm/mediatek/Makefile            |   1 +
 drivers/gpu/drm/mediatek/mtk_disp_postmask.c | 160 +++++++++++++++++++++++++++
 drivers/gpu/drm/mediatek/mtk_drm_ddp_comp.c  |   2 +
 drivers/gpu/drm/mediatek/mtk_drm_ddp_comp.h  |   1 +
 drivers/gpu/drm/mediatek/mtk_drm_drv.c       |   4 +-
 drivers/gpu/drm/mediatek/mtk_drm_drv.h       |   1 +
 6 files changed, 168 insertions(+), 1 deletion(-)
 create mode 100644 drivers/gpu/drm/mediatek/mtk_disp_postmask.c

diff --git a/drivers/gpu/drm/mediatek/Makefile b/drivers/gpu/drm/mediatek/Makefile
index 17a08e2..ce5ad59 100644
--- a/drivers/gpu/drm/mediatek/Makefile
+++ b/drivers/gpu/drm/mediatek/Makefile
@@ -3,6 +3,7 @@
 mediatek-drm-y := mtk_disp_color.o \
 		  mtk_disp_gamma.o \
 		  mtk_disp_ovl.o \
+		  mtk_disp_postmask.o \
 		  mtk_disp_rdma.o \
 		  mtk_drm_crtc.o \
 		  mtk_drm_ddp.o \
diff --git a/drivers/gpu/drm/mediatek/mtk_disp_postmask.c b/drivers/gpu/drm/mediatek/mtk_disp_postmask.c
new file mode 100644
index 0000000..736224c
--- /dev/null
+++ b/drivers/gpu/drm/mediatek/mtk_disp_postmask.c
@@ -0,0 +1,160 @@
+/*
+ * SPDX-License-Identifier:
+ *
+ * Copyright (c) 2020 MediaTek Inc.
+ */
+
+#include <linux/clk.h>
+#include <linux/component.h>
+#include <linux/module.h>
+#include <linux/of_device.h>
+#include <linux/pm_runtime.h>
+#include <linux/of_irq.h>
+#include <linux/platform_device.h>
+#include <linux/soc/mediatek/mtk-cmdq.h>
+
+#include "mtk_drm_crtc.h"
+#include "mtk_drm_ddp_comp.h"
+
+#define DISP_POSTMASK_EN			0x0000
+#define POSTMASK_EN					BIT(0)
+#define DISP_POSTMASK_CFG			0x0020
+#define POSTMASK_RELAY_MODE				BIT(0)
+#define DISP_POSTMASK_SIZE			0x0030
+
+struct mtk_disp_postmask_data {
+	u32 reserved;
+};
+
+/**
+ * struct mtk_disp_postmask - DISP_postmask driver structure
+ * @ddp_comp - structure containing type enum and hardware resources
+ * @crtc - associated crtc to report irq events to
+ */
+struct mtk_disp_postmask {
+	struct mtk_ddp_comp			ddp_comp;
+	const struct mtk_disp_postmask_data	*data;
+};
+
+static inline struct mtk_disp_postmask *comp_to_postmask(struct mtk_ddp_comp *comp)
+{
+	return container_of(comp, struct mtk_disp_postmask, ddp_comp);
+}
+
+static void mtk_postmask_config(struct mtk_ddp_comp *comp, unsigned int w,
+			      unsigned int h, unsigned int vrefresh,
+			      unsigned int bpc, struct cmdq_pkt *cmdq_pkt)
+{
+	mtk_ddp_write(cmdq_pkt, w << 16 | h, comp, DISP_POSTMASK_SIZE);
+	mtk_ddp_write(cmdq_pkt, POSTMASK_RELAY_MODE, comp, DISP_POSTMASK_CFG);
+}
+
+static void mtk_postmask_start(struct mtk_ddp_comp *comp)
+{
+	writel(POSTMASK_EN, comp->regs + DISP_POSTMASK_EN);
+}
+
+static void mtk_postmask_stop(struct mtk_ddp_comp *comp)
+{
+	writel_relaxed(0x0, comp->regs + DISP_POSTMASK_EN);
+}
+
+static const struct mtk_ddp_comp_funcs mtk_disp_postmask_funcs = {
+	.config = mtk_postmask_config,
+	.start = mtk_postmask_start,
+	.stop = mtk_postmask_stop,
+};
+
+static int mtk_disp_postmask_bind(struct device *dev, struct device *master, void *data)
+{
+	struct mtk_disp_postmask *priv = dev_get_drvdata(dev);
+	struct drm_device *drm_dev = data;
+	int ret;
+
+	ret = mtk_ddp_comp_register(drm_dev, &priv->ddp_comp);
+	if (ret < 0) {
+		dev_err(dev, "Failed to register component %pOF: %d\n",
+			dev->of_node, ret);
+		return ret;
+	}
+
+	return 0;
+}
+
+static void mtk_disp_postmask_unbind(struct device *dev, struct device *master,
+				  void *data)
+{
+	struct mtk_disp_postmask *priv = dev_get_drvdata(dev);
+	struct drm_device *drm_dev = data;
+
+	mtk_ddp_comp_unregister(drm_dev, &priv->ddp_comp);
+}
+
+static const struct component_ops mtk_disp_postmask_component_ops = {
+	.bind	= mtk_disp_postmask_bind,
+	.unbind = mtk_disp_postmask_unbind,
+};
+
+static int mtk_disp_postmask_probe(struct platform_device *pdev)
+{
+	struct device *dev = &pdev->dev;
+	struct mtk_disp_postmask *priv;
+	int comp_id;
+	int ret;
+
+	priv = devm_kzalloc(dev, sizeof(*priv), GFP_KERNEL);
+	if (!priv)
+		return -ENOMEM;
+
+	comp_id = mtk_ddp_comp_get_id(dev->of_node, MTK_DISP_POSTMASK);
+	if (comp_id < 0) {
+		dev_err(dev, "Failed to identify by alias: %d\n", comp_id);
+		return comp_id;
+	}
+
+	ret = mtk_ddp_comp_init(dev, dev->of_node, &priv->ddp_comp, comp_id,
+				&mtk_disp_postmask_funcs);
+	if (ret) {
+		if (ret != -EPROBE_DEFER)
+			dev_err(dev, "Failed to initialize component: %d\n",
+				ret);
+
+		return ret;
+	}
+
+	priv->data = of_device_get_match_data(dev);
+
+	platform_set_drvdata(pdev, priv);
+
+	pm_runtime_enable(dev);
+
+	ret = component_add(dev, &mtk_disp_postmask_component_ops);
+	if (ret)
+		dev_err(dev, "Failed to add component: %d\n", ret);
+
+	return ret;
+}
+
+static int mtk_disp_postmask_remove(struct platform_device *pdev)
+{
+	pm_runtime_disable(&pdev->dev);
+
+	component_del(&pdev->dev, &mtk_disp_postmask_component_ops);
+
+	return 0;
+}
+
+static const struct of_device_id mtk_disp_postmask_driver_dt_match[] = {
+	{},
+};
+MODULE_DEVICE_TABLE(of, mtk_disp_postmask_driver_dt_match);
+
+struct platform_driver mtk_disp_postmask_driver = {
+	.probe		= mtk_disp_postmask_probe,
+	.remove		= mtk_disp_postmask_remove,
+	.driver		= {
+		.name	= "mediatek-disp-postmask",
+		.owner	= THIS_MODULE,
+		.of_match_table = mtk_disp_postmask_driver_dt_match,
+	},
+};
diff --git a/drivers/gpu/drm/mediatek/mtk_drm_ddp_comp.c b/drivers/gpu/drm/mediatek/mtk_drm_ddp_comp.c
index a715127..bc6b10a 100644
--- a/drivers/gpu/drm/mediatek/mtk_drm_ddp_comp.c
+++ b/drivers/gpu/drm/mediatek/mtk_drm_ddp_comp.c
@@ -354,6 +354,7 @@ static void mtk_dither_stop(struct mtk_ddp_comp *comp)
 	[MTK_DISP_MUTEX] = "mutex",
 	[MTK_DISP_OD] = "od",
 	[MTK_DISP_BLS] = "bls",
+	[MTK_DISP_POSTMASK] = "postmask",
 };
 
 struct mtk_ddp_comp_match {
@@ -384,6 +385,7 @@ struct mtk_ddp_comp_match {
 	[DDP_COMPONENT_OVL_2L0]	= { MTK_DISP_OVL_2L,	0, NULL },
 	[DDP_COMPONENT_OVL_2L1]	= { MTK_DISP_OVL_2L,	1, NULL },
 	[DDP_COMPONENT_OVL_2L2]	= { MTK_DISP_OVL_2L,	2, NULL },
+	[DDP_COMPONENT_POSTMASK0]	= { MTK_DISP_POSTMASK,	0, NULL },
 	[DDP_COMPONENT_PWM0]	= { MTK_DISP_PWM,	0, NULL },
 	[DDP_COMPONENT_PWM1]	= { MTK_DISP_PWM,	1, NULL },
 	[DDP_COMPONENT_PWM2]	= { MTK_DISP_PWM,	2, NULL },
diff --git a/drivers/gpu/drm/mediatek/mtk_drm_ddp_comp.h b/drivers/gpu/drm/mediatek/mtk_drm_ddp_comp.h
index 178fae9..0b23b5c 100644
--- a/drivers/gpu/drm/mediatek/mtk_drm_ddp_comp.h
+++ b/drivers/gpu/drm/mediatek/mtk_drm_ddp_comp.h
@@ -29,6 +29,7 @@ enum mtk_ddp_comp_type {
 	MTK_DISP_UFOE,
 	MTK_DSI,
 	MTK_DPI,
+	MTK_DISP_POSTMASK,
 	MTK_DISP_PWM,
 	MTK_DISP_MUTEX,
 	MTK_DISP_OD,
diff --git a/drivers/gpu/drm/mediatek/mtk_drm_drv.c b/drivers/gpu/drm/mediatek/mtk_drm_drv.c
index b6e963e..bc205e9 100644
--- a/drivers/gpu/drm/mediatek/mtk_drm_drv.c
+++ b/drivers/gpu/drm/mediatek/mtk_drm_drv.c
@@ -533,7 +533,7 @@ static int mtk_drm_probe(struct platform_device *pdev)
 		private->comp_node[comp_id] = of_node_get(node);
 
 		/*
-		 * Currently only the COLOR, GAMMA, OVL, RDMA, DSI, and DPI blocks have
+		 * Currently only the COLOR, GAMMA, OVL, POSTMASK, RDMA, DSI, and DPI blocks have
 		 * separate component platform drivers and initialize their own
 		 * DDP component structure. The others are initialized here.
 		 */
@@ -541,6 +541,7 @@ static int mtk_drm_probe(struct platform_device *pdev)
 		    comp_type == MTK_DISP_GAMMA ||
 		    comp_type == MTK_DISP_OVL ||
 		    comp_type == MTK_DISP_OVL_2L ||
+		    comp_type == MTK_DISP_POSTMASK ||
 		    comp_type == MTK_DISP_RDMA ||
 		    comp_type == MTK_DSI ||
 		    comp_type == MTK_DPI) {
@@ -654,6 +655,7 @@ static SIMPLE_DEV_PM_OPS(mtk_drm_pm_ops, mtk_drm_sys_suspend,
 	&mtk_disp_color_driver,
 	&mtk_disp_gamma_driver,
 	&mtk_disp_ovl_driver,
+	&mtk_disp_postmask_driver,
 	&mtk_disp_rdma_driver,
 	&mtk_dpi_driver,
 	&mtk_drm_platform_driver,
diff --git a/drivers/gpu/drm/mediatek/mtk_drm_drv.h b/drivers/gpu/drm/mediatek/mtk_drm_drv.h
index bbd362b..8a9544b 100644
--- a/drivers/gpu/drm/mediatek/mtk_drm_drv.h
+++ b/drivers/gpu/drm/mediatek/mtk_drm_drv.h
@@ -50,6 +50,7 @@ struct mtk_drm_private {
 extern struct platform_driver mtk_disp_color_driver;
 extern struct platform_driver mtk_disp_gamma_driver;
 extern struct platform_driver mtk_disp_ovl_driver;
+extern struct platform_driver mtk_disp_postmask_driver;
 extern struct platform_driver mtk_disp_rdma_driver;
 extern struct platform_driver mtk_dpi_driver;
 extern struct platform_driver mtk_dsi_driver;
-- 
1.8.1.1.dirty


  parent reply	other threads:[~2021-01-11  7:45 UTC|newest]

Thread overview: 31+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2021-01-11  7:43 [PATCH v3, 00/15] drm/mediatek: add support for mediatek SOC MT8192 Yongqiang Niu
2021-01-11  7:43 ` [PATCH v3, 01/15] dt-bindings: mediatek: add description for postmask Yongqiang Niu
2021-01-11 23:30   ` Chun-Kuang Hu
2021-01-14 19:11   ` Rob Herring
2021-01-14 22:29     ` Chun-Kuang Hu
2021-01-11  7:43 ` [PATCH v3, 02/15] dt-bindings: mediatek: add description for mt8192 display Yongqiang Niu
2021-01-11 23:39   ` Chun-Kuang Hu
2021-01-11  7:43 ` [PATCH v3, 03/15] arm64: dts: mt8192: add display node Yongqiang Niu
2021-01-11 23:41   ` Chun-Kuang Hu
2021-01-11  7:43 ` [PATCH v3, 04/15] drm/mediatek: add component OVL_2L2 Yongqiang Niu
2021-01-11 23:45   ` Chun-Kuang Hu
2021-01-11  7:43 ` Yongqiang Niu [this message]
2021-01-11 23:49   ` [PATCH v3, 05/15] drm/mediatek: add component POSTMASK Chun-Kuang Hu
2021-01-26  7:41   ` Hsin-Yi Wang
2021-01-11  7:43 ` [PATCH v3, 06/15] drm/mediatek: add component RDMA4 Yongqiang Niu
2021-01-11 23:50   ` Chun-Kuang Hu
2021-01-11  7:43 ` [PATCH v3, 07/15] drm/mediatek: enable OVL_LAYER_SMI_ID_EN for multi-layer usecase Yongqiang Niu
2021-01-11 23:59   ` Chun-Kuang Hu
2021-01-28  0:43     ` Yongqiang Niu
2021-01-11  7:43 ` [PATCH v3, 08/15] drm/mediatek: check if fb is null Yongqiang Niu
2021-01-12  0:20   ` Chun-Kuang Hu
2021-01-11  7:43 ` [PATCH v3, 09/15] drm/mediatek: Add pm runtime support for gamma Yongqiang Niu
2021-01-12 23:09   ` Chun-Kuang Hu
2021-01-11  7:43 ` [PATCH v3, 10/15] drm/mediatek: Add pm runtime support for color Yongqiang Niu
2021-01-11  7:43 ` [PATCH v3, 11/15] drm/mediatek: fix aal size config Yongqiang Niu
2021-01-14 22:55   ` Chun-Kuang Hu
2021-01-11  7:43 ` [PATCH v3, 12/15] drm/mediatek: separate ccorr module Yongqiang Niu
2021-01-12 23:15   ` Chun-Kuang Hu
2021-01-11  7:43 ` [PATCH v3, 13/15] drm/mediatek: add matrix bits private data for ccorr Yongqiang Niu
2021-01-11  7:43 ` [PATCH v3, 14/15] drm/mediatek: add DDP support for MT8192 Yongqiang Niu
2021-01-11  7:43 ` [PATCH v3, 15/15] drm/mediatek: add support for mediatek SOC MT8192 Yongqiang Niu

Reply instructions:

You may reply publicly to this message via plain-text email
using any one of the following methods:

* Save the following mbox file, import it into your mail client,
  and reply-to-all from there: mbox

  Avoid top-posting and favor interleaved quoting:
  https://en.wikipedia.org/wiki/Posting_style#Interleaved_style

* Reply using the --to, --cc, and --in-reply-to
  switches of git-send-email(1):

  git send-email \
    --in-reply-to=1610351031-21133-6-git-send-email-yongqiang.niu@mediatek.com \
    --to=yongqiang.niu@mediatek.com \
    --cc=Project_Global_Chrome_Upstream_Group@mediatek.com \
    --cc=airlied@linux.ie \
    --cc=ck.hu@mediatek.com \
    --cc=daniel@ffwll.ch \
    --cc=devicetree@vger.kernel.org \
    --cc=dri-devel@lists.freedesktop.org \
    --cc=hsinyi@chromium.org \
    --cc=linux-arm-kernel@lists.infradead.org \
    --cc=linux-kernel@vger.kernel.org \
    --cc=linux-mediatek@lists.infradead.org \
    --cc=mark.rutland@arm.com \
    --cc=matthias.bgg@gmail.com \
    --cc=p.zabel@pengutronix.de \
    --cc=robh+dt@kernel.org \
    /path/to/YOUR_REPLY

  https://kernel.org/pub/software/scm/git/docs/git-send-email.html

* If your mail client supports setting the In-Reply-To header
  via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line before the message body.
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox;
as well as URLs for NNTP newsgroup(s).