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Message-ID: <20220128120718.30545-4-yongqiang.niu@mediatek.com>
Date: Fri, 28 Jan 2022 20:07:17 +0800
From: Yongqiang Niu <yongqiang.niu@...iatek.com>
To: Chun-Kuang Hu <chunkuang.hu@...nel.org>
CC: Rob Herring <robh+dt@...nel.org>,
Matthias Brugger <matthias.bgg@...il.com>,
Philipp Zabel <p.zabel@...gutronix.de>,
David Airlie <airlied@...ux.ie>,
Daniel Vetter <daniel@...ll.ch>,
Jassi Brar <jassisinghbrar@...il.com>,
Yongqiang Niu <yongqiang.niu@...iatek.com>,
Fabien Parent <fparent@...libre.com>,
Dennis YC Hsieh <dennis-yc.hsieh@...iatek.com>,
<devicetree@...r.kernel.org>,
<linux-arm-kernel@...ts.infradead.org>,
<linux-mediatek@...ts.infradead.org>,
<linux-kernel@...r.kernel.org>, <dri-devel@...ts.freedesktop.org>,
<Project_Global_Chrome_Upstream_Group@...iatek.com>,
Hsin-Yi Wang <hsinyi@...omium.org>
Subject: [PATCH v1, 3/4] drm/mediatek: split postmask component
add postmask private data for differnt soc support
Signed-off-by: Yongqiang Niu <yongqiang.niu@...iatek.com>
---
drivers/gpu/drm/mediatek/Makefile | 1 +
drivers/gpu/drm/mediatek/mtk_disp_drv.h | 8 +
drivers/gpu/drm/mediatek/mtk_disp_postmask.c | 155 +++++++++++++++++++
drivers/gpu/drm/mediatek/mtk_drm_ddp_comp.c | 30 +---
drivers/gpu/drm/mediatek/mtk_drm_drv.c | 2 +
drivers/gpu/drm/mediatek/mtk_drm_drv.h | 1 +
6 files changed, 170 insertions(+), 27 deletions(-)
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 29098d7c8307..f26fe646ee2a 100644
--- a/drivers/gpu/drm/mediatek/Makefile
+++ b/drivers/gpu/drm/mediatek/Makefile
@@ -5,6 +5,7 @@ mediatek-drm-y := mtk_disp_aal.o \
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_comp.o \
diff --git a/drivers/gpu/drm/mediatek/mtk_disp_drv.h b/drivers/gpu/drm/mediatek/mtk_disp_drv.h
index 86c3068894b1..f4c21195c3ea 100644
--- a/drivers/gpu/drm/mediatek/mtk_disp_drv.h
+++ b/drivers/gpu/drm/mediatek/mtk_disp_drv.h
@@ -81,6 +81,14 @@ void mtk_ovl_enable_vblank(struct device *dev,
void *vblank_cb_data);
void mtk_ovl_disable_vblank(struct device *dev);
+int mtk_postmask_clk_enable(struct device *dev);
+void mtk_postmask_clk_disable(struct device *dev);
+void mtk_postmask_config(struct device *dev, unsigned int w,
+ unsigned int h, unsigned int vrefresh,
+ unsigned int bpc, struct cmdq_pkt *cmdq_pkt);
+void mtk_postmask_start(struct device *dev);
+void mtk_postmask_stop(struct device *dev);
+
void mtk_rdma_bypass_shadow(struct device *dev);
int mtk_rdma_clk_enable(struct device *dev);
void mtk_rdma_clk_disable(struct device *dev);
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 000000000000..fc04b445c2ed
--- /dev/null
+++ b/drivers/gpu/drm/mediatek/mtk_disp_postmask.c
@@ -0,0 +1,155 @@
+// SPDX-License-Identifier: GPL-2.0-only
+/*
+ * Copyright (c) 2021 MediaTek Inc.
+ */
+
+#include <linux/clk.h>
+#include <linux/component.h>
+#include <linux/module.h>
+#include <linux/of_device.h>
+#include <linux/of_irq.h>
+#include <linux/platform_device.h>
+#include <linux/soc/mediatek/mtk-cmdq.h>
+
+#include "mtk_disp_drv.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
+ */
+struct mtk_disp_postmask {
+ struct clk *clk;
+ void __iomem *regs;
+ struct cmdq_client_reg cmdq_reg;
+ const struct mtk_disp_postmask_data *data;
+};
+
+int mtk_postmask_clk_enable(struct device *dev)
+{
+ struct mtk_disp_postmask *postmask = dev_get_drvdata(dev);
+
+ return clk_prepare_enable(postmask->clk);
+}
+
+void mtk_postmask_clk_disable(struct device *dev)
+{
+ struct mtk_disp_postmask *postmask = dev_get_drvdata(dev);
+
+ clk_disable_unprepare(postmask->clk);
+}
+
+void mtk_postmask_config(struct device *dev, unsigned int w,
+ unsigned int h, unsigned int vrefresh,
+ unsigned int bpc, struct cmdq_pkt *cmdq_pkt)
+{
+ struct mtk_disp_postmask *postmask = dev_get_drvdata(dev);
+
+ mtk_ddp_write(cmdq_pkt, w << 16 | h, &postmask->cmdq_reg, postmask->regs,
+ DISP_POSTMASK_SIZE);
+ mtk_ddp_write(cmdq_pkt, POSTMASK_RELAY_MODE, &postmask->cmdq_reg,
+ postmask->regs, DISP_POSTMASK_CFG);
+}
+
+void mtk_postmask_start(struct device *dev)
+{
+ struct mtk_disp_postmask *postmask = dev_get_drvdata(dev);
+
+ writel(POSTMASK_EN, postmask->regs + DISP_POSTMASK_EN);
+}
+
+void mtk_postmask_stop(struct device *dev)
+{
+ struct mtk_disp_postmask *postmask = dev_get_drvdata(dev);
+
+ writel_relaxed(0x0, postmask->regs + DISP_POSTMASK_EN);
+}
+
+static int mtk_disp_postmask_bind(struct device *dev, struct device *master,
+ void *data)
+{
+ return 0;
+}
+
+static void mtk_disp_postmask_unbind(struct device *dev, struct device *master,
+ void *data)
+{
+}
+
+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;
+ struct resource *res;
+ int ret;
+
+ priv = devm_kzalloc(dev, sizeof(*priv), GFP_KERNEL);
+ if (!priv)
+ return -ENOMEM;
+
+ priv->clk = devm_clk_get(dev, NULL);
+ if (IS_ERR(priv->clk)) {
+ dev_err(dev, "failed to get postmask clk\n");
+ return PTR_ERR(priv->clk);
+ }
+
+ res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
+ priv->regs = devm_ioremap_resource(dev, res);
+ if (IS_ERR(priv->regs)) {
+ dev_err(dev, "failed to ioremap postmask\n");
+ return PTR_ERR(priv->regs);
+ }
+
+#if IS_REACHABLE(CONFIG_MTK_CMDQ)
+ ret = cmdq_dev_get_client_reg(dev, &priv->cmdq_reg, 0);
+ if (ret)
+ dev_dbg(dev, "get mediatek,gce-client-reg fail!\n");
+#endif
+
+ priv->data = of_device_get_match_data(dev);
+ platform_set_drvdata(pdev, priv);
+
+ 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)
+{
+ component_del(&pdev->dev, &mtk_disp_postmask_component_ops);
+
+ return 0;
+}
+
+static const struct of_device_id mtk_disp_postmask_driver_dt_match[] = {
+ { .compatible = "mediatek,mt8192-disp-postmask"},
+ {},
+};
+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 b4b682bc1991..e02fc8dcad91 100644
--- a/drivers/gpu/drm/mediatek/mtk_drm_ddp_comp.c
+++ b/drivers/gpu/drm/mediatek/mtk_drm_ddp_comp.c
@@ -199,31 +199,6 @@ static void mtk_od_start(struct device *dev)
writel(1, priv->regs + DISP_REG_OD_EN);
}
-static void mtk_postmask_config(struct device *dev, unsigned int w,
- unsigned int h, unsigned int vrefresh,
- unsigned int bpc, struct cmdq_pkt *cmdq_pkt)
-{
- struct mtk_ddp_comp_dev *priv = dev_get_drvdata(dev);
-
- mtk_ddp_write(cmdq_pkt, w << 16 | h, &priv->cmdq_reg, priv->regs,
- DISP_REG_POSTMASK_SIZE);
- mtk_ddp_write(cmdq_pkt, POSTMASK_RELAY_MODE, &priv->cmdq_reg,
- priv->regs, DISP_REG_POSTMASK_CFG);
-}
-
-static void mtk_postmask_start(struct device *dev)
-{
- struct mtk_ddp_comp_dev *priv = dev_get_drvdata(dev);
-
- writel(POSTMASK_EN, priv->regs + DISP_REG_POSTMASK_EN);
-}
-
-static void mtk_postmask_stop(struct device *dev)
-{
- struct mtk_ddp_comp_dev *priv = dev_get_drvdata(dev);
-
- writel_relaxed(0x0, priv->regs + DISP_REG_POSTMASK_EN);
-}
static void mtk_ufoe_start(struct device *dev)
{
@@ -308,8 +283,8 @@ static const struct mtk_ddp_comp_funcs ddp_ovl = {
};
static const struct mtk_ddp_comp_funcs ddp_postmask = {
- .clk_enable = mtk_ddp_clk_enable,
- .clk_disable = mtk_ddp_clk_disable,
+ .clk_enable = mtk_postmask_clk_enable,
+ .clk_disable = mtk_postmask_clk_disable,
.config = mtk_postmask_config,
.start = mtk_postmask_start,
.stop = mtk_postmask_stop,
@@ -510,6 +485,7 @@ int mtk_ddp_comp_init(struct device_node *node, struct mtk_ddp_comp *comp,
type == MTK_DISP_GAMMA ||
type == MTK_DISP_OVL ||
type == MTK_DISP_OVL_2L ||
+ type == MTK_DISP_POSTMASK ||
type == MTK_DISP_PWM ||
type == MTK_DISP_RDMA ||
type == MTK_DPI ||
diff --git a/drivers/gpu/drm/mediatek/mtk_drm_drv.c b/drivers/gpu/drm/mediatek/mtk_drm_drv.c
index 56ff8c57ef8f..6efb423ccc92 100644
--- a/drivers/gpu/drm/mediatek/mtk_drm_drv.c
+++ b/drivers/gpu/drm/mediatek/mtk_drm_drv.c
@@ -609,6 +609,7 @@ 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_DPI ||
comp_type == MTK_DSI) {
@@ -709,6 +710,7 @@ static struct platform_driver * const mtk_drm_drivers[] = {
&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 3e7d1e6fbe01..c1e676aebe57 100644
--- a/drivers/gpu/drm/mediatek/mtk_drm_drv.h
+++ b/drivers/gpu/drm/mediatek/mtk_drm_drv.h
@@ -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_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;
--
2.25.1
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