[v5,2/8] drm/mediatek: add component POSTMASK

Message ID	20210201103727.376721-3-hsinyi@chromium.org (mailing list archive)
State	New, archived
Headers	show Return-Path: <SRS0=sHvW=HE=lists.freedesktop.org=dri-devel-bounces@kernel.org> DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 0314E64ED3 From: Hsin-Yi Wang <hsinyi@chromium.org> To: CK Hu <ck.hu@mediatek.com>, Philipp Zabel <p.zabel@pengutronix.de>, Matthias Brugger <matthias.bgg@gmail.com> Subject: [PATCH v5 2/8] drm/mediatek: add component POSTMASK Date: Mon, 1 Feb 2021 18:37:21 +0800 Message-Id: <20210201103727.376721-3-hsinyi@chromium.org> In-Reply-To: <20210201103727.376721-1-hsinyi@chromium.org> References: <20210201103727.376721-1-hsinyi@chromium.org> MIME-Version: 1.0 Precedence: list Cc: Mark Rutland <mark.rutland@arm.com>, devicetree@vger.kernel.org, Yongqiang Niu <yongqiang.niu@mediatek.com>, David Airlie <airlied@linux.ie>, linux-kernel@vger.kernel.org, dri-devel@lists.freedesktop.org, linux-mediatek@lists.infradead.org, linux-arm-kernel@lists.infradead.org Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Errors-To: dri-devel-bounces@lists.freedesktop.org Sender: "dri-devel" <dri-devel-bounces@lists.freedesktop.org>
Series	drm/mediatek: add support for mediatek SOC MT8192 \| expand [v5,0/8] drm/mediatek: add support for mediatek SOC MT8192 [v5,1/8] drm/mediatek: add component OVL_2L2 [v5,2/8] drm/mediatek: add component POSTMASK [v5,3/8] drm/mediatek: add component RDMA4 [v5,4/8] drm/mediatek: separate ccorr module [v5,5/8] drm/mediatek: Fix ccorr size config [v5,6/8] drm/mediatek: add matrix_bits private data for ccorr [v5,7/8] soc: mediatek: add mtk mutex support for MT8192 [v5,8/8] drm/mediatek: add support for mediatek SOC MT8192

diff --git a/drivers/gpu/drm/mediatek/Makefile b/drivers/gpu/drm/mediatek/Makefile index b64674b944860..13a0eafabf9c0 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_comp.o \ diff --git a/drivers/gpu/drm/mediatek/mtk_disp_drv.h b/drivers/gpu/drm/mediatek/mtk_disp_drv.h index cdb0383f99061..06d4d4e1c0d05 100644 --- a/drivers/gpu/drm/mediatek/mtk_disp_drv.h +++ b/drivers/gpu/drm/mediatek/mtk_disp_drv.h @@ -37,6 +37,14 @@ void mtk_gamma_set_common(void __iomem *regs, struct drm_crtc_state *state); void mtk_gamma_start(struct device *dev); void mtk_gamma_stop(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_ovl_bgclr_in_on(struct device *dev); void mtk_ovl_bgclr_in_off(struct device *dev); void mtk_ovl_bypass_shadow(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 0000000000000..5a109fee6b238 --- /dev/null +++ b/drivers/gpu/drm/mediatek/mtk_disp_postmask.c @@ -0,0 +1,149 @@ +// 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 - 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 clk *clk; + void __iomem *regs; + struct cmdq_client_reg cmdq_reg; +}; + +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 + + 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[] = { + {}, +}; +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 b6c4e73031ca6..7a6efc849694b 100644 --- a/drivers/gpu/drm/mediatek/mtk_drm_ddp_comp.c +++ b/drivers/gpu/drm/mediatek/mtk_drm_ddp_comp.c @@ -413,6 +413,14 @@ static const struct mtk_ddp_comp_funcs ddp_ovl = { .bgclr_in_off = mtk_ovl_bgclr_in_off, }; +static const struct mtk_ddp_comp_funcs ddp_postmask = { + .clk_enable = mtk_postmask_clk_enable, + .clk_disable = mtk_postmask_clk_disable, + .config = mtk_postmask_config, + .start = mtk_postmask_start, + .stop = mtk_postmask_stop, +}; + static const struct mtk_ddp_comp_funcs ddp_rdma = { .clk_enable = mtk_rdma_clk_enable, .clk_disable = mtk_rdma_clk_disable, @@ -448,6 +456,7 @@ static const char * const mtk_ddp_comp_stem[MTK_DDP_COMP_TYPE_MAX] = { [MTK_DISP_MUTEX] = "mutex", [MTK_DISP_OD] = "od", [MTK_DISP_BLS] = "bls", + [MTK_DISP_POSTMASK] = "postmask", }; struct mtk_ddp_comp_match { @@ -457,36 +466,37 @@ struct mtk_ddp_comp_match { }; static const struct mtk_ddp_comp_match mtk_ddp_matches[DDP_COMPONENT_ID_MAX] = { - [DDP_COMPONENT_AAL0] = { MTK_DISP_AAL, 0, &ddp_aal }, - [DDP_COMPONENT_AAL1] = { MTK_DISP_AAL, 1, &ddp_aal }, - [DDP_COMPONENT_BLS] = { MTK_DISP_BLS, 0, NULL }, - [DDP_COMPONENT_CCORR] = { MTK_DISP_CCORR, 0, &ddp_ccorr }, - [DDP_COMPONENT_COLOR0] = { MTK_DISP_COLOR, 0, &ddp_color }, - [DDP_COMPONENT_COLOR1] = { MTK_DISP_COLOR, 1, &ddp_color }, - [DDP_COMPONENT_DITHER] = { MTK_DISP_DITHER, 0, &ddp_dither }, - [DDP_COMPONENT_DPI0] = { MTK_DPI, 0, &ddp_dpi }, - [DDP_COMPONENT_DPI1] = { MTK_DPI, 1, &ddp_dpi }, - [DDP_COMPONENT_DSI0] = { MTK_DSI, 0, &ddp_dsi }, - [DDP_COMPONENT_DSI1] = { MTK_DSI, 1, &ddp_dsi }, - [DDP_COMPONENT_DSI2] = { MTK_DSI, 2, &ddp_dsi }, - [DDP_COMPONENT_DSI3] = { MTK_DSI, 3, &ddp_dsi }, - [DDP_COMPONENT_GAMMA] = { MTK_DISP_GAMMA, 0, &ddp_gamma }, - [DDP_COMPONENT_OD0] = { MTK_DISP_OD, 0, &ddp_od }, - [DDP_COMPONENT_OD1] = { MTK_DISP_OD, 1, &ddp_od }, - [DDP_COMPONENT_OVL0] = { MTK_DISP_OVL, 0, &ddp_ovl }, - [DDP_COMPONENT_OVL1] = { MTK_DISP_OVL, 1, &ddp_ovl }, - [DDP_COMPONENT_OVL_2L0] = { MTK_DISP_OVL_2L, 0, &ddp_ovl }, - [DDP_COMPONENT_OVL_2L1] = { MTK_DISP_OVL_2L, 1, &ddp_ovl }, - [DDP_COMPONENT_OVL_2L2] = { MTK_DISP_OVL_2L, 2, &ddp_ovl }, - [DDP_COMPONENT_PWM0] = { MTK_DISP_PWM, 0, NULL }, - [DDP_COMPONENT_PWM1] = { MTK_DISP_PWM, 1, NULL }, - [DDP_COMPONENT_PWM2] = { MTK_DISP_PWM, 2, NULL }, - [DDP_COMPONENT_RDMA0] = { MTK_DISP_RDMA, 0, &ddp_rdma }, - [DDP_COMPONENT_RDMA1] = { MTK_DISP_RDMA, 1, &ddp_rdma }, - [DDP_COMPONENT_RDMA2] = { MTK_DISP_RDMA, 2, &ddp_rdma }, - [DDP_COMPONENT_UFOE] = { MTK_DISP_UFOE, 0, &ddp_ufoe }, - [DDP_COMPONENT_WDMA0] = { MTK_DISP_WDMA, 0, NULL }, - [DDP_COMPONENT_WDMA1] = { MTK_DISP_WDMA, 1, NULL }, + [DDP_COMPONENT_AAL0] = { MTK_DISP_AAL, 0, &ddp_aal }, + [DDP_COMPONENT_AAL1] = { MTK_DISP_AAL, 1, &ddp_aal }, + [DDP_COMPONENT_BLS] = { MTK_DISP_BLS, 0, NULL }, + [DDP_COMPONENT_CCORR] = { MTK_DISP_CCORR, 0, &ddp_ccorr }, + [DDP_COMPONENT_COLOR0] = { MTK_DISP_COLOR, 0, &ddp_color }, + [DDP_COMPONENT_COLOR1] = { MTK_DISP_COLOR, 1, &ddp_color }, + [DDP_COMPONENT_DITHER] = { MTK_DISP_DITHER, 0, &ddp_dither }, + [DDP_COMPONENT_DPI0] = { MTK_DPI, 0, &ddp_dpi }, + [DDP_COMPONENT_DPI1] = { MTK_DPI, 1, &ddp_dpi }, + [DDP_COMPONENT_DSI0] = { MTK_DSI, 0, &ddp_dsi }, + [DDP_COMPONENT_DSI1] = { MTK_DSI, 1, &ddp_dsi }, + [DDP_COMPONENT_DSI2] = { MTK_DSI, 2, &ddp_dsi }, + [DDP_COMPONENT_DSI3] = { MTK_DSI, 3, &ddp_dsi }, + [DDP_COMPONENT_GAMMA] = { MTK_DISP_GAMMA, 0, &ddp_gamma }, + [DDP_COMPONENT_OD0] = { MTK_DISP_OD, 0, &ddp_od }, + [DDP_COMPONENT_OD1] = { MTK_DISP_OD, 1, &ddp_od }, + [DDP_COMPONENT_OVL0] = { MTK_DISP_OVL, 0, &ddp_ovl }, + [DDP_COMPONENT_OVL1] = { MTK_DISP_OVL, 1, &ddp_ovl }, + [DDP_COMPONENT_OVL_2L0] = { MTK_DISP_OVL_2L, 0, &ddp_ovl }, + [DDP_COMPONENT_OVL_2L1] = { MTK_DISP_OVL_2L, 1, &ddp_ovl }, + [DDP_COMPONENT_OVL_2L2] = { MTK_DISP_OVL_2L, 2, &ddp_ovl }, + [DDP_COMPONENT_POSTMASK0] = { MTK_DISP_POSTMASK, 0, &ddp_postmask }, + [DDP_COMPONENT_PWM0] = { MTK_DISP_PWM, 0, NULL }, + [DDP_COMPONENT_PWM1] = { MTK_DISP_PWM, 1, NULL }, + [DDP_COMPONENT_PWM2] = { MTK_DISP_PWM, 2, NULL }, + [DDP_COMPONENT_RDMA0] = { MTK_DISP_RDMA, 0, &ddp_rdma }, + [DDP_COMPONENT_RDMA1] = { MTK_DISP_RDMA, 1, &ddp_rdma }, + [DDP_COMPONENT_RDMA2] = { MTK_DISP_RDMA, 2, &ddp_rdma }, + [DDP_COMPONENT_UFOE] = { MTK_DISP_UFOE, 0, &ddp_ufoe }, + [DDP_COMPONENT_WDMA0] = { MTK_DISP_WDMA, 0, NULL }, + [DDP_COMPONENT_WDMA1] = { MTK_DISP_WDMA, 1, NULL }, }; static bool mtk_drm_find_comp_in_ddp(struct device *dev, @@ -601,6 +611,7 @@ int mtk_ddp_comp_init(struct device_node *node, struct mtk_ddp_comp *comp, if (type == MTK_DISP_BLS || type == MTK_DISP_COLOR || type == MTK_DISP_GAMMA || + type == MTK_DISP_POSTMASK || type == MTK_DPI || type == MTK_DSI || type == MTK_DISP_OVL || diff --git a/drivers/gpu/drm/mediatek/mtk_drm_ddp_comp.h b/drivers/gpu/drm/mediatek/mtk_drm_ddp_comp.h index bb914d976cf5d..cd1dec6b4cdf2 100644 --- a/drivers/gpu/drm/mediatek/mtk_drm_ddp_comp.h +++ b/drivers/gpu/drm/mediatek/mtk_drm_ddp_comp.h @@ -30,6 +30,7 @@ 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 486e73e675ad5..d99afc8528684 100644 --- a/drivers/gpu/drm/mediatek/mtk_drm_drv.c +++ b/drivers/gpu/drm/mediatek/mtk_drm_drv.c @@ -531,7 +531,7 @@ 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. */ @@ -539,6 +539,7 @@ 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) { @@ -637,6 +638,7 @@ 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 0e54e3d51014a..7e7b28e32aa2f 100644 --- a/drivers/gpu/drm/mediatek/mtk_drm_drv.h +++ b/drivers/gpu/drm/mediatek/mtk_drm_drv.h @@ -49,6 +49,7 @@ 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;

[v5,2/8] drm/mediatek: add component POSTMASK

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Patch