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b=L+aZqnkM1TU2Z5JBIPzjkOn6t/iD9lQ7XWw2tq6PjLleXd7SEYugvG+h+T8rREv+Pm8cHXmaWfUi6zeVeIj4IkyvNo1PFXC1xzwkx10Zg3CFQdOeTRX958qQnED3/iVnNGg+KANp058yquth7I3TslxlINk1KTIEdbxm98JXVvI= Authentication-Results: dkim=none (message not signed) header.d=none;dmarc=none action=none header.from=nxp.com; Received: from AM7PR04MB7046.eurprd04.prod.outlook.com (2603:10a6:20b:113::22) by GV1PR04MB9183.eurprd04.prod.outlook.com (2603:10a6:150:27::9) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.20.7698.30; Fri, 12 Jul 2024 09:25:27 +0000 Received: from AM7PR04MB7046.eurprd04.prod.outlook.com ([fe80::d1ce:ea15:6648:6f90]) by AM7PR04MB7046.eurprd04.prod.outlook.com ([fe80::d1ce:ea15:6648:6f90%2]) with mapi id 15.20.7762.020; Fri, 12 Jul 2024 09:25:27 +0000 From: Liu Ying To: dri-devel@lists.freedesktop.org, devicetree@vger.kernel.org, imx@lists.linux.dev, linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org, linux-phy@lists.infradead.org Cc: p.zabel@pengutronix.de, airlied@gmail.com, daniel@ffwll.ch, maarten.lankhorst@linux.intel.com, mripard@kernel.org, tzimmermann@suse.de, robh@kernel.org, krzk+dt@kernel.org, conor+dt@kernel.org, shawnguo@kernel.org, s.hauer@pengutronix.de, kernel@pengutronix.de, festevam@gmail.com, tglx@linutronix.de, vkoul@kernel.org, kishon@kernel.org, aisheng.dong@nxp.com, agx@sigxcpu.org, francesco@dolcini.it, frank.li@nxp.com Subject: [PATCH v2 07/16] drm/imx: Add i.MX8qxp Display Controller pixel engine Date: Fri, 12 Jul 2024 17:32:34 +0800 Message-Id: <20240712093243.2108456-8-victor.liu@nxp.com> X-Mailer: git-send-email 2.37.1 In-Reply-To: <20240712093243.2108456-1-victor.liu@nxp.com> References: <20240712093243.2108456-1-victor.liu@nxp.com> X-ClientProxiedBy: SI1PR02CA0054.apcprd02.prod.outlook.com (2603:1096:4:1f5::13) To AM7PR04MB7046.eurprd04.prod.outlook.com (2603:10a6:20b:113::22) MIME-Version: 1.0 X-MS-PublicTrafficType: Email X-MS-TrafficTypeDiagnostic: AM7PR04MB7046:EE_|GV1PR04MB9183:EE_ X-MS-Office365-Filtering-Correlation-Id: 3a29e900-5e8d-44b9-ec96-08dca25490b2 X-MS-Exchange-SenderADCheck: 1 X-MS-Exchange-AntiSpam-Relay: 0 X-Microsoft-Antispam: BCL:0;ARA:13230040|376014|52116014|7416014|1800799024|366016|38350700014; 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Add drivers for ConstFrame, ExtDst, FetchLayer, FetchWarp and LayerBlend units, as well as a pixel engine driver, so that two displays with primary planes can be supported. The pixel engine driver as a master binds those unit drivers as components. While at it, the pixel engine driver is a component to be bound with the upcoming DRM driver. Signed-off-by: Liu Ying --- v2: * Use OF alias id to get instance id. drivers/gpu/drm/imx/dc/Makefile | 3 +- drivers/gpu/drm/imx/dc/dc-cf.c | 157 +++++++++++++++++ drivers/gpu/drm/imx/dc/dc-drv.c | 6 + drivers/gpu/drm/imx/dc/dc-drv.h | 8 + drivers/gpu/drm/imx/dc/dc-ed.c | 266 ++++++++++++++++++++++++++++ drivers/gpu/drm/imx/dc/dc-fl.c | 136 +++++++++++++++ drivers/gpu/drm/imx/dc/dc-fu.c | 241 +++++++++++++++++++++++++ drivers/gpu/drm/imx/dc/dc-fu.h | 129 ++++++++++++++ drivers/gpu/drm/imx/dc/dc-fw.c | 149 ++++++++++++++++ drivers/gpu/drm/imx/dc/dc-lb.c | 300 ++++++++++++++++++++++++++++++++ drivers/gpu/drm/imx/dc/dc-pe.c | 140 +++++++++++++++ drivers/gpu/drm/imx/dc/dc-pe.h | 91 ++++++++++ 12 files changed, 1625 insertions(+), 1 deletion(-) create mode 100644 drivers/gpu/drm/imx/dc/dc-cf.c create mode 100644 drivers/gpu/drm/imx/dc/dc-ed.c create mode 100644 drivers/gpu/drm/imx/dc/dc-fl.c create mode 100644 drivers/gpu/drm/imx/dc/dc-fu.c create mode 100644 drivers/gpu/drm/imx/dc/dc-fu.h create mode 100644 drivers/gpu/drm/imx/dc/dc-fw.c create mode 100644 drivers/gpu/drm/imx/dc/dc-lb.c create mode 100644 drivers/gpu/drm/imx/dc/dc-pe.c create mode 100644 drivers/gpu/drm/imx/dc/dc-pe.h diff --git a/drivers/gpu/drm/imx/dc/Makefile b/drivers/gpu/drm/imx/dc/Makefile index 56de82d53d4d..2942ae6fd5bd 100644 --- a/drivers/gpu/drm/imx/dc/Makefile +++ b/drivers/gpu/drm/imx/dc/Makefile @@ -1,5 +1,6 @@ # SPDX-License-Identifier: GPL-2.0 -imx8-dc-drm-objs := dc-de.o dc-drv.o dc-fg.o dc-tc.o +imx8-dc-drm-objs := dc-cf.o dc-de.o dc-drv.o dc-ed.o dc-fg.o dc-fl.o dc-fu.o \ + dc-fw.o dc-lb.o dc-pe.o dc-tc.o obj-$(CONFIG_DRM_IMX8_DC) += imx8-dc-drm.o diff --git a/drivers/gpu/drm/imx/dc/dc-cf.c b/drivers/gpu/drm/imx/dc/dc-cf.c new file mode 100644 index 000000000000..4fb2bbc67b4a --- /dev/null +++ b/drivers/gpu/drm/imx/dc/dc-cf.c @@ -0,0 +1,157 @@ +// SPDX-License-Identifier: GPL-2.0+ +/* + * Copyright 2024 NXP + */ + +#include +#include +#include +#include +#include +#include +#include + +#include + +#include "dc-drv.h" +#include "dc-pe.h" + +#define STATICCONTROL 0x8 + +#define FRAMEDIMENSIONS 0xc +#define WIDTH(w) (((w) - 1) & 0x3fff) +#define HEIGHT(h) ((((h) - 1) & 0x3fff) << 16) + +#define CONSTANTCOLOR 0x10 +#define BLUE(b) (((b) & 0xff) << 8) + +struct dc_cf_priv { + struct dc_cf cf; + void __iomem *reg_cfg; + enum dc_link_id link; +}; + +static inline struct dc_cf_priv *to_cf_priv(struct dc_cf *cf) +{ + return container_of(cf, struct dc_cf_priv, cf); +} + +static inline void dc_cf_write(struct dc_cf *cf, unsigned int offset, u32 value) +{ + struct dc_cf_priv *priv = to_cf_priv(cf); + + writel(value, priv->reg_cfg + offset); +} + +static void dc_cf_enable_shden(struct dc_cf *cf) +{ + dc_cf_write(cf, STATICCONTROL, SHDEN); +} + +enum dc_link_id dc_cf_get_link_id(struct dc_cf *cf) +{ + struct dc_cf_priv *priv = to_cf_priv(cf); + + return priv->link; +} + +void dc_cf_framedimensions(struct dc_cf *cf, unsigned int w, + unsigned int h) +{ + dc_cf_write(cf, FRAMEDIMENSIONS, WIDTH(w) | HEIGHT(h)); +} + +void dc_cf_constantcolor_black(struct dc_cf *cf) +{ + dc_cf_write(cf, CONSTANTCOLOR, 0); +} + +void dc_cf_constantcolor_blue(struct dc_cf *cf) +{ + dc_cf_write(cf, CONSTANTCOLOR, BLUE(0xff)); +} + +void dc_cf_init(struct dc_cf *cf) +{ + dc_cf_enable_shden(cf); +} + +static int dc_cf_bind(struct device *dev, struct device *master, void *data) +{ + struct platform_device *pdev = to_platform_device(dev); + struct dc_drm_device *dc_drm = data; + struct dc_pe *pe = dc_drm->pe; + struct dc_cf_priv *priv; + int id; + + priv = drmm_kzalloc(&dc_drm->base, sizeof(*priv), GFP_KERNEL); + if (!priv) + return -ENOMEM; + + priv->reg_cfg = devm_platform_ioremap_resource_byname(pdev, "cfg"); + if (IS_ERR(priv->reg_cfg)) + return PTR_ERR(priv->reg_cfg); + + id = of_alias_get_id(dev->of_node, "dc0-constframe"); + if (id < 0) { + dev_err(dev, "failed to get alias id: %d\n", id); + return id; + } + + switch (id) { + case 0: + pe->cf_cont[0] = &priv->cf; + priv->link = LINK_ID_CONSTFRAME0; + break; + case 1: + pe->cf_cont[1] = &priv->cf; + priv->link = LINK_ID_CONSTFRAME1; + break; + case 4: + pe->cf_safe[0] = &priv->cf; + priv->link = LINK_ID_CONSTFRAME4; + break; + case 5: + pe->cf_safe[1] = &priv->cf; + priv->link = LINK_ID_CONSTFRAME5; + break; + } + + return 0; +} + +static const struct component_ops dc_cf_ops = { + .bind = dc_cf_bind, +}; + +static int dc_cf_probe(struct platform_device *pdev) +{ + int ret; + + ret = component_add(&pdev->dev, &dc_cf_ops); + if (ret) + return dev_err_probe(&pdev->dev, ret, + "failed to add component\n"); + + return 0; +} + +static void dc_cf_remove(struct platform_device *pdev) +{ + component_del(&pdev->dev, &dc_cf_ops); +} + +static const struct of_device_id dc_cf_dt_ids[] = { + { .compatible = "fsl,imx8qxp-dc-constframe", }, + { /* sentinel */ } +}; +MODULE_DEVICE_TABLE(of, dc_cf_dt_ids); + +struct platform_driver dc_cf_driver = { + .probe = dc_cf_probe, + .remove_new = dc_cf_remove, + .driver = { + .name = "imx8-dc-constframe", + .of_match_table = dc_cf_dt_ids, + }, +}; diff --git a/drivers/gpu/drm/imx/dc/dc-drv.c b/drivers/gpu/drm/imx/dc/dc-drv.c index e5910a82dd4d..7c64acc863ad 100644 --- a/drivers/gpu/drm/imx/dc/dc-drv.c +++ b/drivers/gpu/drm/imx/dc/dc-drv.c @@ -9,8 +9,14 @@ #include "dc-drv.h" static struct platform_driver * const dc_drivers[] = { + &dc_cf_driver, &dc_de_driver, + &dc_ed_driver, &dc_fg_driver, + &dc_fl_driver, + &dc_fw_driver, + &dc_lb_driver, + &dc_pe_driver, &dc_tc_driver, }; diff --git a/drivers/gpu/drm/imx/dc/dc-drv.h b/drivers/gpu/drm/imx/dc/dc-drv.h index e1290d9a0a99..c687a36b8153 100644 --- a/drivers/gpu/drm/imx/dc/dc-drv.h +++ b/drivers/gpu/drm/imx/dc/dc-drv.h @@ -11,14 +11,22 @@ #include #include "dc-de.h" +#include "dc-pe.h" struct dc_drm_device { struct drm_device base; struct dc_de *de[DC_DISPLAYS]; + struct dc_pe *pe; }; +extern struct platform_driver dc_cf_driver; +extern struct platform_driver dc_ed_driver; extern struct platform_driver dc_de_driver; extern struct platform_driver dc_fg_driver; +extern struct platform_driver dc_fl_driver; +extern struct platform_driver dc_fw_driver; +extern struct platform_driver dc_lb_driver; +extern struct platform_driver dc_pe_driver; extern struct platform_driver dc_tc_driver; #endif /* __DC_DRV_H__ */ diff --git a/drivers/gpu/drm/imx/dc/dc-ed.c b/drivers/gpu/drm/imx/dc/dc-ed.c new file mode 100644 index 000000000000..5357ae33c505 --- /dev/null +++ b/drivers/gpu/drm/imx/dc/dc-ed.c @@ -0,0 +1,266 @@ +// SPDX-License-Identifier: GPL-2.0+ +/* + * Copyright 2024 NXP + */ + +#include +#include +#include +#include +#include +#include +#include + +#include + +#include "dc-drv.h" +#include "dc-pe.h" + +#define PIXENGCFG_STATIC 0x8 +#define POWERDOWN BIT(4) +#define SYNC_MODE BIT(8) +#define SINGLE 0 +#define DIV_MASK 0xff0000 +#define DIV(n) (((n) & 0xff) << 16) +#define DIV_RESET 0x80 + +#define PIXENGCFG_DYNAMIC 0xc + +#define PIXENGCFG_TRIGGER 0x14 +#define SYNC_TRIGGER BIT(0) + +#define STATICCONTROL 0x8 +#define KICK_MODE BIT(8) +#define EXTERNAL BIT(8) +#define PERFCOUNTMODE BIT(12) + +#define CONTROL 0xc +#define GAMMAAPPLYENABLE BIT(0) + +struct dc_ed_priv { + struct dc_ed ed; + void __iomem *reg_pec; + void __iomem *reg_cfg; +}; + +static const enum dc_link_id src_sels[] = { + LINK_ID_NONE, + LINK_ID_CONSTFRAME0, + LINK_ID_CONSTFRAME1, + LINK_ID_CONSTFRAME4, + LINK_ID_CONSTFRAME5, + LINK_ID_LAYERBLEND3, + LINK_ID_LAYERBLEND2, + LINK_ID_LAYERBLEND1, + LINK_ID_LAYERBLEND0, +}; + +static inline struct dc_ed_priv *to_ed_priv(struct dc_ed *ed) +{ + return container_of(ed, struct dc_ed_priv, ed); +} + +static inline u32 dc_pec_ed_read(struct dc_ed *ed, unsigned int offset) +{ + struct dc_ed_priv *priv = to_ed_priv(ed); + + return readl(priv->reg_pec + offset); +} + +static inline void +dc_pec_ed_write(struct dc_ed *ed, unsigned int offset, u32 value) +{ + struct dc_ed_priv *priv = to_ed_priv(ed); + + writel(value, priv->reg_pec + offset); +} + +static inline void +dc_pec_ed_write_mask(struct dc_ed *ed, unsigned int offset, u32 mask, u32 value) +{ + u32 tmp; + + tmp = dc_pec_ed_read(ed, offset); + tmp &= ~mask; + dc_pec_ed_write(ed, offset, tmp | value); +} + +static inline u32 dc_ed_read(struct dc_ed *ed, unsigned int offset) +{ + struct dc_ed_priv *priv = to_ed_priv(ed); + + return readl(priv->reg_cfg + offset); +} + +static inline void dc_ed_write(struct dc_ed *ed, unsigned int offset, u32 value) +{ + struct dc_ed_priv *priv = to_ed_priv(ed); + + writel(value, priv->reg_cfg + offset); +} + +static inline void +dc_ed_write_mask(struct dc_ed *ed, unsigned int offset, u32 mask, u32 value) +{ + u32 tmp; + + tmp = dc_ed_read(ed, offset); + tmp &= ~mask; + dc_ed_write(ed, offset, tmp | value); +} + +static void dc_ed_pec_enable_shden(struct dc_ed *ed) +{ + dc_pec_ed_write_mask(ed, PIXENGCFG_STATIC, SHDEN, SHDEN); +} + +static void dc_ed_pec_poweron(struct dc_ed *ed) +{ + dc_pec_ed_write_mask(ed, PIXENGCFG_STATIC, POWERDOWN, 0); +} + +static void dc_ed_pec_sync_mode_single(struct dc_ed *ed) +{ + dc_pec_ed_write_mask(ed, PIXENGCFG_STATIC, SYNC_MODE, SINGLE); +} + +static void dc_ed_pec_div_reset(struct dc_ed *ed) +{ + dc_pec_ed_write_mask(ed, PIXENGCFG_STATIC, DIV_MASK, DIV(DIV_RESET)); +} + +void dc_ed_pec_src_sel(struct dc_ed *ed, enum dc_link_id src) +{ + int i; + + for (i = 0; i < ARRAY_SIZE(src_sels); i++) { + if (src_sels[i] == src) { + dc_pec_ed_write(ed, PIXENGCFG_DYNAMIC, src); + return; + } + } +} + +void dc_ed_pec_sync_trigger(struct dc_ed *ed) +{ + dc_pec_ed_write(ed, PIXENGCFG_TRIGGER, SYNC_TRIGGER); +} + +static void dc_ed_enable_shden(struct dc_ed *ed) +{ + dc_ed_write_mask(ed, STATICCONTROL, SHDEN, SHDEN); +} + +static void dc_ed_kick_mode_external(struct dc_ed *ed) +{ + dc_ed_write_mask(ed, STATICCONTROL, KICK_MODE, EXTERNAL); +} + +static void dc_ed_disable_perfcountmode(struct dc_ed *ed) +{ + dc_ed_write_mask(ed, STATICCONTROL, PERFCOUNTMODE, 0); +} + +static void dc_ed_disable_gamma_apply(struct dc_ed *ed) +{ + dc_ed_write_mask(ed, CONTROL, GAMMAAPPLYENABLE, 0); +} + +void dc_ed_init(struct dc_ed *ed) +{ + dc_ed_pec_src_sel(ed, LINK_ID_NONE); + dc_ed_pec_enable_shden(ed); + dc_ed_pec_poweron(ed); + dc_ed_pec_sync_mode_single(ed); + dc_ed_pec_div_reset(ed); + dc_ed_enable_shden(ed); + dc_ed_disable_perfcountmode(ed); + dc_ed_kick_mode_external(ed); + dc_ed_disable_gamma_apply(ed); +} + +static int dc_ed_bind(struct device *dev, struct device *master, void *data) +{ + struct platform_device *pdev = to_platform_device(dev); + struct dc_drm_device *dc_drm = data; + struct dc_pe *pe = dc_drm->pe; + struct dc_ed_priv *priv; + int id; + + priv = drmm_kzalloc(&dc_drm->base, sizeof(*priv), GFP_KERNEL); + if (!priv) + return -ENOMEM; + + priv->reg_pec = devm_platform_ioremap_resource_byname(pdev, "pec"); + if (IS_ERR(priv->reg_pec)) + return PTR_ERR(priv->reg_pec); + + priv->reg_cfg = devm_platform_ioremap_resource_byname(pdev, "cfg"); + if (IS_ERR(priv->reg_cfg)) + return PTR_ERR(priv->reg_cfg); + + priv->ed.irq_shdld = platform_get_irq_byname(pdev, "shdload"); + if (priv->ed.irq_shdld < 0) + return priv->ed.irq_shdld; + + id = of_alias_get_id(dev->of_node, "dc0-extdst"); + if (id < 0) { + dev_err(dev, "failed to get alias id: %d\n", id); + return id; + } + + priv->ed.dev = dev; + + switch (id) { + case 0: + pe->ed_cont[0] = &priv->ed; + break; + case 1: + pe->ed_cont[1] = &priv->ed; + break; + case 4: + pe->ed_safe[0] = &priv->ed; + break; + case 5: + pe->ed_safe[1] = &priv->ed; + break; + } + + return 0; +} + +static const struct component_ops dc_ed_ops = { + .bind = dc_ed_bind, +}; + +static int dc_ed_probe(struct platform_device *pdev) +{ + int ret; + + ret = component_add(&pdev->dev, &dc_ed_ops); + if (ret) + return dev_err_probe(&pdev->dev, ret, + "failed to add component\n"); + + return 0; +} + +static void dc_ed_remove(struct platform_device *pdev) +{ + component_del(&pdev->dev, &dc_ed_ops); +} + +static const struct of_device_id dc_ed_dt_ids[] = { + { .compatible = "fsl,imx8qxp-dc-extdst", }, + { /* sentinel */ } +}; +MODULE_DEVICE_TABLE(of, dc_ed_dt_ids); + +struct platform_driver dc_ed_driver = { + .probe = dc_ed_probe, + .remove_new = dc_ed_remove, + .driver = { + .name = "imx8-dc-extdst", + .of_match_table = dc_ed_dt_ids, + }, +}; diff --git a/drivers/gpu/drm/imx/dc/dc-fl.c b/drivers/gpu/drm/imx/dc/dc-fl.c new file mode 100644 index 000000000000..7a535be32cbd --- /dev/null +++ b/drivers/gpu/drm/imx/dc/dc-fl.c @@ -0,0 +1,136 @@ +// SPDX-License-Identifier: GPL-2.0+ +/* + * Copyright 2024 NXP + */ + +#include +#include +#include +#include +#include + +#include +#include + +#include "dc-drv.h" +#include "dc-fu.h" +#include "dc-pe.h" + +#define FRAMEDIMENSIONS 0x150 + +struct dc_fl { + struct dc_fu fu; + int id; +}; + +static void +dc_fl_set_fmt(struct dc_fu *fu, const struct drm_format_info *format) +{ + u32 bits = 0, shifts = 0; + + dc_fu_set_src_bpp(fu, format->cpp[0] * 8); + + dc_fu_write_mask(fu, LAYERPROPERTY(fu), YUVCONVERSIONMODE_MASK, + YUVCONVERSIONMODE(YUVCONVERSIONMODE_OFF)); + + dc_fu_get_pixel_format_bits(fu, format->format, &bits); + dc_fu_get_pixel_format_shifts(fu, format->format, &shifts); + + dc_fu_write(fu, COLORCOMPONENTBITS(fu), bits); + dc_fu_write(fu, COLORCOMPONENTSHIFT(fu), shifts); +} + +static void dc_fl_set_framedimensions(struct dc_fu *fu, int w, int h) +{ + dc_fu_write(fu, FRAMEDIMENSIONS, FRAMEWIDTH(w) | FRAMEHEIGHT(h)); +} + +static void dc_fl_init(struct dc_fu *fu) +{ + dc_fu_common_hw_init(fu); + dc_fu_shdldreq_sticky(fu, 0xff); +} + +static void dc_fl_set_ops(struct dc_fu *fu) +{ + memcpy(&fu->ops, &dc_fu_common_ops, sizeof(dc_fu_common_ops)); + fu->ops.init = dc_fl_init; + fu->ops.set_fmt = dc_fl_set_fmt; + fu->ops.set_framedimensions = dc_fl_set_framedimensions; +} + +static int dc_fl_bind(struct device *dev, struct device *master, void *data) +{ + struct platform_device *pdev = to_platform_device(dev); + struct dc_drm_device *dc_drm = data; + struct dc_pe *pe = dc_drm->pe; + struct dc_fl *fl; + struct dc_fu *fu; + + fl = drmm_kzalloc(&dc_drm->base, sizeof(*fl), GFP_KERNEL); + if (!fl) + return -ENOMEM; + + fu = &fl->fu; + + fu->reg_pec = devm_platform_ioremap_resource_byname(pdev, "pec"); + if (IS_ERR(fu->reg_pec)) + return PTR_ERR(fu->reg_pec); + + fu->reg_cfg = devm_platform_ioremap_resource_byname(pdev, "cfg"); + if (IS_ERR(fu->reg_cfg)) + return PTR_ERR(fu->reg_cfg); + + fl->id = of_alias_get_id(dev->of_node, "dc0-fetchlayer"); + if (fl->id < 0) { + dev_err(dev, "failed to get alias id: %d\n", fl->id); + return fl->id; + } + + fu->link_id = LINK_ID_FETCHLAYER0; + fu->id = DC_FETCHUNIT_FL0; + fu->sub_id = 0; + snprintf(fu->name, sizeof(fu->name), "FetchLayer%d", fl->id); + + dc_fl_set_ops(fu); + + pe->fu_disp[fu->id] = fu; + + return 0; +} + +static const struct component_ops dc_fl_ops = { + .bind = dc_fl_bind, +}; + +static int dc_fl_probe(struct platform_device *pdev) +{ + int ret; + + ret = component_add(&pdev->dev, &dc_fl_ops); + if (ret) + return dev_err_probe(&pdev->dev, ret, + "failed to add component\n"); + + return 0; +} + +static void dc_fl_remove(struct platform_device *pdev) +{ + component_del(&pdev->dev, &dc_fl_ops); +} + +static const struct of_device_id dc_fl_dt_ids[] = { + { .compatible = "fsl,imx8qxp-dc-fetchlayer", }, + { /* sentinel */ } +}; +MODULE_DEVICE_TABLE(of, dc_fl_dt_ids); + +struct platform_driver dc_fl_driver = { + .probe = dc_fl_probe, + .remove_new = dc_fl_remove, + .driver = { + .name = "imx8-dc-fetchlayer", + .of_match_table = dc_fl_dt_ids, + }, +}; diff --git a/drivers/gpu/drm/imx/dc/dc-fu.c b/drivers/gpu/drm/imx/dc/dc-fu.c new file mode 100644 index 000000000000..88793b2366fe --- /dev/null +++ b/drivers/gpu/drm/imx/dc/dc-fu.c @@ -0,0 +1,241 @@ +// SPDX-License-Identifier: GPL-2.0+ +/* + * Copyright 2024 NXP + */ + +#include +#include + +#include "dc-fu.h" +#include "dc-pe.h" + +#define STATICCONTROL 0x8 +#define SHDLDREQSTICKY(lm) (((lm) & 0xff) << 24) +#define SHDLDREQSTICKY_MASK (0xff << 24) +#define BASEADDRESSAUTOUPDATE(lm) (((lm) & 0xff) << 16) +#define BASEADDRESSAUTOUPDATE_MASK (0xff << 16) + +#define BURSTBUFFERMANAGEMENT 0xc +#define SETBURSTLENGTH(n) (((n) & 0x1f) << 8) +#define SETBURSTLENGTH_MASK 0x1f00 +#define SETNUMBUFFERS(n) ((n) & 0xff) +#define SETNUMBUFFERS_MASK 0xff +#define LINEMODE_MASK 0x80000000 +#define LINEMODE_SHIFT 31 + +#define BASEADDRESS(fu) (0x10 + SUBID_OFFSET + REG_OFFSET) + +#define SOURCEBUFFERATTRIBUTES(fu) (0x14 + SUBID_OFFSET + REG_OFFSET) +#define BITSPERPIXEL_MASK 0x3f0000 +#define BITSPERPIXEL(bpp) (((bpp) & 0x3f) << 16) +#define STRIDE_MASK 0xffff +#define STRIDE(n) (((n) - 1) & 0xffff) + +#define LAYEROFFSET(fu) (0x24 + SUBID_OFFSET + REG_OFFSET) +#define LAYERXOFFSET(x) ((x) & 0x7fff) +#define LAYERYOFFSET(y) (((y) & 0x7fff) << 16) + +#define CLIPWINDOWOFFSET(fu) (0x28 + SUBID_OFFSET + REG_OFFSET) +#define CLIPWINDOWXOFFSET(x) ((x) & 0x7fff) +#define CLIPWINDOWYOFFSET(y) (((y) & 0x7fff) << 16) + +#define CLIPWINDOWDIMENSIONS(fu) (0x2c + SUBID_OFFSET + REG_OFFSET) +#define CLIPWINDOWWIDTH(w) (((w) - 1) & 0x3fff) +#define CLIPWINDOWHEIGHT(h) ((((h) - 1) & 0x3fff) << 16) + +#define CONSTANTCOLOR(fu) (0x30 + SUBID_OFFSET + REG_OFFSET) + +enum dc_linemode { + /* + * Mandatory setting for operation in the Display Controller. + * Works also for Blit Engine with marginal performance impact. + */ + LINEMODE_DISPLAY = 0, +}; + +struct dc_fu_pixel_format { + u32 pixel_format; + u32 bits; + u32 shifts; +}; + +static const struct dc_fu_pixel_format pixel_formats[] = { + { + DRM_FORMAT_XRGB8888, + R_BITS(8) | G_BITS(8) | B_BITS(8) | A_BITS(0), + R_SHIFT(16) | G_SHIFT(8) | B_SHIFT(0) | A_SHIFT(0), + }, +}; + +void dc_fu_get_pixel_format_bits(struct dc_fu *fu, u32 format, u32 *bits) +{ + int i; + + for (i = 0; i < ARRAY_SIZE(pixel_formats); i++) { + if (pixel_formats[i].pixel_format == format) { + *bits = pixel_formats[i].bits; + return; + } + } +} + +void +dc_fu_get_pixel_format_shifts(struct dc_fu *fu, u32 format, u32 *shifts) +{ + int i; + + for (i = 0; i < ARRAY_SIZE(pixel_formats); i++) { + if (pixel_formats[i].pixel_format == format) { + *shifts = pixel_formats[i].shifts; + return; + } + } +} + +static void dc_fu_enable_shden(struct dc_fu *fu) +{ + dc_fu_write_mask(fu, STATICCONTROL, SHDEN, SHDEN); +} + +static void dc_fu_baddr_autoupdate(struct dc_fu *fu, u8 layer_mask) +{ + dc_fu_write_mask(fu, STATICCONTROL, BASEADDRESSAUTOUPDATE_MASK, + BASEADDRESSAUTOUPDATE(layer_mask)); +} + +void dc_fu_shdldreq_sticky(struct dc_fu *fu, u8 layer_mask) +{ + dc_fu_write_mask(fu, STATICCONTROL, SHDLDREQSTICKY_MASK, + SHDLDREQSTICKY(layer_mask)); +} + +static void dc_fu_set_linemode(struct dc_fu *fu, enum dc_linemode mode) +{ + dc_fu_write_mask(fu, BURSTBUFFERMANAGEMENT, LINEMODE_MASK, mode); +} + +static void dc_fu_set_numbuffers(struct dc_fu *fu, unsigned int num) +{ + dc_fu_write_mask(fu, BURSTBUFFERMANAGEMENT, SETNUMBUFFERS_MASK, + SETNUMBUFFERS(num)); +} + +static void dc_fu_set_burstlength(struct dc_fu *fu, dma_addr_t baddr) +{ + unsigned int burst_size, burst_length; + + burst_size = 1 << __ffs(baddr); + burst_size = round_up(burst_size, 8); + burst_size = min(burst_size, 128U); + burst_length = burst_size / 8; + + dc_fu_write_mask(fu, BURSTBUFFERMANAGEMENT, SETBURSTLENGTH_MASK, + SETBURSTLENGTH(burst_length)); +} + +static void dc_fu_set_baseaddress(struct dc_fu *fu, dma_addr_t baddr) +{ + dc_fu_write(fu, BASEADDRESS(fu), baddr); +} + +void dc_fu_set_src_bpp(struct dc_fu *fu, unsigned int bpp) +{ + dc_fu_write_mask(fu, SOURCEBUFFERATTRIBUTES(fu), BITSPERPIXEL_MASK, + BITSPERPIXEL(bpp)); +} + +static void dc_fu_set_src_stride(struct dc_fu *fu, unsigned int stride) +{ + dc_fu_write_mask(fu, SOURCEBUFFERATTRIBUTES(fu), STRIDE_MASK, + STRIDE(stride)); +} + +static void dc_fu_set_src_buf_dimensions(struct dc_fu *fu, int w, int h) +{ + dc_fu_write(fu, SOURCEBUFFERDIMENSION(fu), LINEWIDTH(w) | LINECOUNT(h)); +} + +static void dc_fu_layeroffset(struct dc_fu *fu, unsigned int x, unsigned int y) +{ + dc_fu_write(fu, LAYEROFFSET(fu), LAYERXOFFSET(x) | LAYERYOFFSET(y)); +} + +static void dc_fu_clipoffset(struct dc_fu *fu, unsigned int x, unsigned int y) +{ + dc_fu_write(fu, CLIPWINDOWOFFSET(fu), + CLIPWINDOWXOFFSET(x) | CLIPWINDOWYOFFSET(y)); +} + +static void +dc_fu_clipdimensions(struct dc_fu *fu, unsigned int w, unsigned int h) +{ + dc_fu_write(fu, CLIPWINDOWDIMENSIONS(fu), + CLIPWINDOWWIDTH(w) | CLIPWINDOWHEIGHT(h)); +} + +static void dc_fu_set_pixel_blend_mode(struct dc_fu *fu) +{ + dc_fu_write(fu, LAYERPROPERTY(fu), 0); + dc_fu_write(fu, CONSTANTCOLOR(fu), 0); +} + +static void dc_fu_enable_src_buf(struct dc_fu *fu) +{ + dc_fu_write_mask(fu, LAYERPROPERTY(fu), SOURCEBUFFERENABLE, + SOURCEBUFFERENABLE); +} + +static void dc_fu_disable_src_buf(struct dc_fu *fu) +{ + dc_fu_write_mask(fu, LAYERPROPERTY(fu), SOURCEBUFFERENABLE, 0); + + if (fu->lb) { + dc_lb_pec_clken(fu->lb, CLKEN_DISABLE); + dc_lb_mode(fu->lb, LB_NEUTRAL); + } +} + +static void dc_fu_set_layerblend(struct dc_fu *fu, struct dc_lb *lb) +{ + fu->lb = lb; +} + +static enum dc_link_id dc_fu_get_link_id(struct dc_fu *fu) +{ + return fu->link_id; +} + +static const char *dc_fu_get_name(struct dc_fu *fu) +{ + return fu->name; +} + +const struct dc_fu_ops dc_fu_common_ops = { + .set_burstlength = dc_fu_set_burstlength, + .set_baseaddress = dc_fu_set_baseaddress, + .set_src_stride = dc_fu_set_src_stride, + .set_src_buf_dimensions = dc_fu_set_src_buf_dimensions, + .enable_src_buf = dc_fu_enable_src_buf, + .disable_src_buf = dc_fu_disable_src_buf, + .set_layerblend = dc_fu_set_layerblend, + .get_link_id = dc_fu_get_link_id, + .get_name = dc_fu_get_name, +}; + +const struct dc_fu_ops *dc_fu_get_ops(struct dc_fu *fu) +{ + return &fu->ops; +} + +void dc_fu_common_hw_init(struct dc_fu *fu) +{ + dc_fu_baddr_autoupdate(fu, 0x0); + dc_fu_enable_shden(fu); + dc_fu_set_linemode(fu, LINEMODE_DISPLAY); + dc_fu_layeroffset(fu, 0x0, 0x0); + dc_fu_clipoffset(fu, 0x0, 0x0); + dc_fu_clipdimensions(fu, 0x0, 0x0); + dc_fu_set_numbuffers(fu, 16); + dc_fu_disable_src_buf(fu); + dc_fu_set_pixel_blend_mode(fu); +} diff --git a/drivers/gpu/drm/imx/dc/dc-fu.h b/drivers/gpu/drm/imx/dc/dc-fu.h new file mode 100644 index 000000000000..c7c84db85d87 --- /dev/null +++ b/drivers/gpu/drm/imx/dc/dc-fu.h @@ -0,0 +1,129 @@ +/* SPDX-License-Identifier: GPL-2.0+ */ +/* + * Copyright 2024 NXP + */ + +#ifndef __DC_FETCHUNIT_H__ +#define __DC_FETCHUNIT_H__ + +#include +#include + +#include + +#include "dc-pe.h" + +#define REG_OFFSET ((fu)->reg_offset) +#define SUBID_OFFSET (((fu)->sub_id) * 0x28) + +#define SOURCEBUFFERDIMENSION(fu) (0x18 + SUBID_OFFSET + REG_OFFSET) +#define LINEWIDTH(w) (((w) - 1) & 0x3fff) +#define LINECOUNT(h) ((((h) - 1) & 0x3fff) << 16) + +#define COLORCOMPONENTBITS(fu) (0x1c + SUBID_OFFSET + REG_OFFSET) +#define R_BITS(n) (((n) & 0xf) << 24) +#define G_BITS(n) (((n) & 0xf) << 16) +#define B_BITS(n) (((n) & 0xf) << 8) +#define A_BITS(n) ((n) & 0xf) + +#define COLORCOMPONENTSHIFT(fu) (0x20 + SUBID_OFFSET + REG_OFFSET) +#define R_SHIFT(n) (((n) & 0x1f) << 24) +#define G_SHIFT(n) (((n) & 0x1f) << 16) +#define B_SHIFT(n) (((n) & 0x1f) << 8) +#define A_SHIFT(n) ((n) & 0x1f) + +#define LAYERPROPERTY(fu) (0x34 + SUBID_OFFSET + REG_OFFSET) +#define YUVCONVERSIONMODE_MASK 0x60000 +#define YUVCONVERSIONMODE(m) (((m) & 0x3) << 17) +#define SOURCEBUFFERENABLE BIT(31) +#define FRAMEWIDTH(w) (((w) - 1) & 0x3fff) +#define FRAMEHEIGHT(h) ((((h) - 1) & 0x3fff) << 16) +#define INPUTSELECT_MASK 0x18 +#define INPUTSELECT(s) (((s) & 0x3) << 3) +#define RASTERMODE_MASK 0x7 +#define RASTERMODE(m) ((m) & 0x7) + +enum dc_yuvconversionmode { + YUVCONVERSIONMODE_OFF, +}; + +enum dc_inputselect { + INPUTSELECT_INACTIVE, +}; + +enum dc_rastermode { + RASTERMODE_NORMAL, +}; + +enum { + DC_FETCHUNIT_FL0, + DC_FETCHUNIT_FW2, +}; + +struct dc_fu; +struct dc_lb; + +struct dc_fu_ops { + void (*init)(struct dc_fu *fu); + void (*set_burstlength)(struct dc_fu *fu, dma_addr_t baddr); + void (*set_baseaddress)(struct dc_fu *fu, dma_addr_t baddr); + void (*set_src_stride)(struct dc_fu *fu, unsigned int stride); + void (*set_src_buf_dimensions)(struct dc_fu *fu, int w, int h); + void (*set_fmt)(struct dc_fu *fu, const struct drm_format_info *format); + void (*enable_src_buf)(struct dc_fu *fu); + void (*disable_src_buf)(struct dc_fu *fu); + void (*set_framedimensions)(struct dc_fu *fu, int w, int h); + void (*set_layerblend)(struct dc_fu *fu, struct dc_lb *lb); + enum dc_link_id (*get_link_id)(struct dc_fu *fu); + const char *(*get_name)(struct dc_fu *fu); +}; + +struct dc_fu { + void __iomem *reg_pec; + void __iomem *reg_cfg; + char name[13]; + unsigned int reg_offset; + unsigned int id; + unsigned int sub_id; /* for fractional fetch units */ + enum dc_link_id link_id; + struct dc_fu_ops ops; + struct dc_lb *lb; +}; + +extern const struct dc_fu_ops dc_fu_common_ops; + +static inline void +dc_pec_fu_write(struct dc_fu *fu, unsigned int offset, u32 value) +{ + writel(value, fu->reg_pec + offset); +} + +static inline u32 dc_fu_read(struct dc_fu *fu, unsigned int offset) +{ + return readl(fu->reg_cfg + offset); +} + +static inline void dc_fu_write(struct dc_fu *fu, unsigned int offset, u32 value) +{ + writel(value, fu->reg_cfg + offset); +} + +static inline void +dc_fu_write_mask(struct dc_fu *fu, unsigned int offset, u32 mask, u32 value) +{ + u32 tmp; + + tmp = dc_fu_read(fu, offset); + tmp &= ~mask; + dc_fu_write(fu, offset, tmp | value); +} + +void dc_fu_get_pixel_format_bits(struct dc_fu *fu, u32 format, u32 *bits); +void dc_fu_get_pixel_format_shifts(struct dc_fu *fu, u32 format, u32 *shifts); +void dc_fu_shdldreq_sticky(struct dc_fu *fu, u8 layer_mask); +void dc_fu_set_src_bpp(struct dc_fu *fu, unsigned int bpp); +void dc_fu_common_hw_init(struct dc_fu *fu); + +const struct dc_fu_ops *dc_fu_get_ops(struct dc_fu *fu); + +#endif /* __DC_FETCHUNIT_H__ */ diff --git a/drivers/gpu/drm/imx/dc/dc-fw.c b/drivers/gpu/drm/imx/dc/dc-fw.c new file mode 100644 index 000000000000..5f0b6ef11b17 --- /dev/null +++ b/drivers/gpu/drm/imx/dc/dc-fw.c @@ -0,0 +1,149 @@ +// SPDX-License-Identifier: GPL-2.0+ +/* + * Copyright 2024 NXP + */ + +#include +#include +#include +#include +#include + +#include +#include + +#include "dc-drv.h" +#include "dc-fu.h" +#include "dc-pe.h" + +#define PIXENGCFG_DYNAMIC 0x8 + +#define FRAMEDIMENSIONS 0x150 +#define CONTROL 0x170 + +struct dc_fw { + struct dc_fu fu; + int id; +}; + +static void +dc_fw_set_fmt(struct dc_fu *fu, const struct drm_format_info *format) +{ + u32 val, bits = 0, shifts = 0; + + dc_fu_set_src_bpp(fu, format->cpp[0] * 8); + + val = dc_fu_read(fu, CONTROL); + val &= ~INPUTSELECT_MASK; + val &= ~RASTERMODE_MASK; + val |= INPUTSELECT(INPUTSELECT_INACTIVE); + val |= RASTERMODE(RASTERMODE_NORMAL); + dc_fu_write(fu, CONTROL, val); + + val = dc_fu_read(fu, LAYERPROPERTY(fu)); + val &= ~YUVCONVERSIONMODE_MASK; + val |= YUVCONVERSIONMODE(YUVCONVERSIONMODE_OFF); + dc_fu_write(fu, LAYERPROPERTY(fu), val); + + dc_fu_get_pixel_format_bits(fu, format->format, &bits); + dc_fu_get_pixel_format_shifts(fu, format->format, &shifts); + + dc_fu_write(fu, COLORCOMPONENTBITS(fu), bits); + dc_fu_write(fu, COLORCOMPONENTSHIFT(fu), shifts); +} + +static void dc_fw_set_framedimensions(struct dc_fu *fu, int w, int h) +{ + dc_fu_write(fu, FRAMEDIMENSIONS, FRAMEWIDTH(w) | FRAMEHEIGHT(h)); +} + +static void dc_fw_init(struct dc_fu *fu) +{ + dc_pec_fu_write(fu, PIXENGCFG_DYNAMIC, LINK_ID_NONE); + dc_fu_common_hw_init(fu); + dc_fu_shdldreq_sticky(fu, 0xff); +} + +static void dc_fw_set_ops(struct dc_fu *fu) +{ + memcpy(&fu->ops, &dc_fu_common_ops, sizeof(dc_fu_common_ops)); + fu->ops.init = dc_fw_init; + fu->ops.set_fmt = dc_fw_set_fmt; + fu->ops.set_framedimensions = dc_fw_set_framedimensions; +} + +static int dc_fw_bind(struct device *dev, struct device *master, void *data) +{ + struct platform_device *pdev = to_platform_device(dev); + struct dc_drm_device *dc_drm = data; + struct dc_pe *pe = dc_drm->pe; + struct dc_fw *fw; + struct dc_fu *fu; + + fw = drmm_kzalloc(&dc_drm->base, sizeof(*fw), GFP_KERNEL); + if (!fw) + return -ENOMEM; + + fu = &fw->fu; + + fu->reg_pec = devm_platform_ioremap_resource_byname(pdev, "pec"); + if (IS_ERR(fu->reg_pec)) + return PTR_ERR(fu->reg_pec); + + fu->reg_cfg = devm_platform_ioremap_resource_byname(pdev, "cfg"); + if (IS_ERR(fu->reg_cfg)) + return PTR_ERR(fu->reg_cfg); + + fw->id = of_alias_get_id(dev->of_node, "dc0-fetchwarp"); + if (fw->id < 0) { + dev_err(dev, "failed to get alias id: %d\n", fw->id); + return fw->id; + } + + fu->link_id = LINK_ID_FETCHWARP2; + fu->id = DC_FETCHUNIT_FW2; + fu->sub_id = 0; + snprintf(fu->name, sizeof(fu->name), "FetchWarp%u", fw->id); + + dc_fw_set_ops(fu); + + pe->fu_disp[fu->id] = fu; + + return 0; +} + +static const struct component_ops dc_fw_ops = { + .bind = dc_fw_bind, +}; + +static int dc_fw_probe(struct platform_device *pdev) +{ + int ret; + + ret = component_add(&pdev->dev, &dc_fw_ops); + if (ret) + return dev_err_probe(&pdev->dev, ret, + "failed to add component\n"); + + return 0; +} + +static void dc_fw_remove(struct platform_device *pdev) +{ + component_del(&pdev->dev, &dc_fw_ops); +} + +static const struct of_device_id dc_fw_dt_ids[] = { + { .compatible = "fsl,imx8qxp-dc-fetchwarp", }, + { /* sentinel */ } +}; +MODULE_DEVICE_TABLE(of, dc_fw_dt_ids); + +struct platform_driver dc_fw_driver = { + .probe = dc_fw_probe, + .remove_new = dc_fw_remove, + .driver = { + .name = "imx8-dc-fetchwarp", + .of_match_table = dc_fw_dt_ids, + }, +}; diff --git a/drivers/gpu/drm/imx/dc/dc-lb.c b/drivers/gpu/drm/imx/dc/dc-lb.c new file mode 100644 index 000000000000..9deda4c18a0a --- /dev/null +++ b/drivers/gpu/drm/imx/dc/dc-lb.c @@ -0,0 +1,300 @@ +// SPDX-License-Identifier: GPL-2.0+ +/* + * Copyright 2024 NXP + */ + +#include +#include +#include +#include +#include +#include +#include + +#include +#include + +#include "dc-drv.h" +#include "dc-pe.h" + +#define PIXENGCFG_DYNAMIC 0x8 +#define PIXENGCFG_DYNAMIC_PRIM_SEL_MASK 0x3f +#define PIXENGCFG_DYNAMIC_SEC_SEL_SHIFT 8 +#define PIXENGCFG_DYNAMIC_SEC_SEL_MASK 0x3f00 + +#define STATICCONTROL 0x8 +#define SHDTOKSEL_MASK 0x18 +#define SHDTOKSEL(n) ((n) << 3) +#define SHDLDSEL_MASK 0x6 +#define SHDLDSEL(n) ((n) << 1) + +#define CONTROL 0xc +#define CTRL_MODE_MASK BIT(0) + +#define BLENDCONTROL 0x10 +#define ALPHA(a) (((a) & 0xff) << 16) +#define PRIM_C_BLD_FUNC__ZERO 0x0 +#define SEC_C_BLD_FUNC__CONST_ALPHA (0x6 << 4) +#define PRIM_A_BLD_FUNC__ZERO (0x0 << 8) +#define SEC_A_BLD_FUNC__ZERO (0x0 << 12) + +#define POSITION 0x14 +#define XPOS(x) ((x) & 0x7fff) +#define YPOS(y) (((y) & 0x7fff) << 16) + +struct dc_lb_priv { + struct dc_lb lb; + void __iomem *reg_pec; + void __iomem *reg_cfg; + enum dc_link_id link; +}; + +enum dc_lb_shadow_sel { + BOTH = 0x2, +}; + +static const enum dc_link_id lb_links[] = { + LINK_ID_LAYERBLEND0, + LINK_ID_LAYERBLEND1, + LINK_ID_LAYERBLEND2, + LINK_ID_LAYERBLEND3, +}; + +static const enum dc_link_id prim_sels[] = { + /* common options */ + LINK_ID_NONE, + LINK_ID_CONSTFRAME0, + LINK_ID_CONSTFRAME1, + LINK_ID_CONSTFRAME4, + LINK_ID_CONSTFRAME5, + /* + * special options: + * layerblend(n) has n special options, + * from layerblend0 to layerblend(n - 1), e.g., + * layerblend3 has 3 special options - + * layerblend0/1/2. + */ + LINK_ID_LAYERBLEND0, + LINK_ID_LAYERBLEND1, + LINK_ID_LAYERBLEND2, + LINK_ID_LAYERBLEND3, +}; + +static const enum dc_link_id sec_sels[] = { + LINK_ID_NONE, + LINK_ID_FETCHWARP2, + LINK_ID_FETCHLAYER0, +}; + +static inline struct dc_lb_priv *to_lb_priv(struct dc_lb *lb) +{ + return container_of(lb, struct dc_lb_priv, lb); +} + +static inline u32 dc_pec_lb_read(struct dc_lb *lb, unsigned int offset) +{ + struct dc_lb_priv *priv = to_lb_priv(lb); + + return readl(priv->reg_pec + offset); +} + +static inline void +dc_pec_lb_write(struct dc_lb *lb, unsigned int offset, u32 value) +{ + struct dc_lb_priv *priv = to_lb_priv(lb); + + writel(value, priv->reg_pec + offset); +} + +static inline void +dc_pec_lb_write_mask(struct dc_lb *lb, unsigned int offset, u32 mask, u32 value) +{ + u32 tmp; + + tmp = dc_pec_lb_read(lb, offset); + tmp &= ~mask; + dc_pec_lb_write(lb, offset, tmp | value); +} + +static inline u32 dc_lb_read(struct dc_lb *lb, unsigned int offset) +{ + struct dc_lb_priv *priv = to_lb_priv(lb); + + return readl(priv->reg_cfg + offset); +} + +static inline void dc_lb_write(struct dc_lb *lb, unsigned int offset, u32 value) +{ + struct dc_lb_priv *priv = to_lb_priv(lb); + + writel(value, priv->reg_cfg + offset); +} + +static inline void +dc_lb_write_mask(struct dc_lb *lb, unsigned int offset, u32 mask, u32 value) +{ + u32 tmp; + + tmp = dc_lb_read(lb, offset); + tmp &= ~mask; + dc_lb_write(lb, offset, tmp | value); +} + +enum dc_link_id dc_lb_get_link_id(struct dc_lb *lb) +{ + struct dc_lb_priv *priv = to_lb_priv(lb); + + return priv->link; +} + +void dc_lb_pec_dynamic_prim_sel(struct dc_lb *lb, enum dc_link_id prim) +{ + struct dc_lb_priv *priv = to_lb_priv(lb); + int fixed_sels_num = ARRAY_SIZE(prim_sels) - 4; + int i; + + for (i = 0; i < fixed_sels_num + priv->lb.id; i++) { + if (prim_sels[i] == prim) { + dc_pec_lb_write_mask(lb, PIXENGCFG_DYNAMIC, + PIXENGCFG_DYNAMIC_PRIM_SEL_MASK, + prim); + return; + } + } +} + +void dc_lb_pec_dynamic_sec_sel(struct dc_lb *lb, enum dc_link_id sec) +{ + int i; + + for (i = 0; i < ARRAY_SIZE(sec_sels); i++) { + if (sec_sels[i] == sec) { + dc_pec_lb_write_mask(lb, PIXENGCFG_DYNAMIC, + PIXENGCFG_DYNAMIC_SEC_SEL_MASK, + sec << PIXENGCFG_DYNAMIC_SEC_SEL_SHIFT); + return; + } + } +} + +void dc_lb_pec_clken(struct dc_lb *lb, enum dc_pec_clken clken) +{ + dc_pec_lb_write_mask(lb, PIXENGCFG_DYNAMIC, CLKEN_MASK, CLKEN(clken)); +} + +static void dc_lb_enable_shden(struct dc_lb *lb) +{ + dc_lb_write_mask(lb, STATICCONTROL, SHDEN, SHDEN); +} + +static void dc_lb_shdtoksel(struct dc_lb *lb, enum dc_lb_shadow_sel sel) +{ + dc_lb_write_mask(lb, STATICCONTROL, SHDTOKSEL_MASK, SHDTOKSEL(sel)); +} + +static void dc_lb_shdldsel(struct dc_lb *lb, enum dc_lb_shadow_sel sel) +{ + dc_lb_write_mask(lb, STATICCONTROL, SHDLDSEL_MASK, SHDLDSEL(sel)); +} + +void dc_lb_mode(struct dc_lb *lb, enum dc_lb_mode mode) +{ + dc_lb_write_mask(lb, CONTROL, CTRL_MODE_MASK, mode); +} + +void dc_lb_blendcontrol(struct dc_lb *lb) +{ + u32 val = PRIM_A_BLD_FUNC__ZERO | SEC_A_BLD_FUNC__ZERO | + PRIM_C_BLD_FUNC__ZERO | SEC_C_BLD_FUNC__CONST_ALPHA | + ALPHA(DRM_BLEND_ALPHA_OPAQUE >> 8); + + dc_lb_write(lb, BLENDCONTROL, val); +} + +void dc_lb_position(struct dc_lb *lb, int x, int y) +{ + dc_lb_write(lb, POSITION, XPOS(x) | YPOS(y)); +} + +unsigned int dc_lb_get_id(struct dc_lb *lb) +{ + return lb->id; +} + +void dc_lb_init(struct dc_lb *lb) +{ + dc_lb_pec_dynamic_prim_sel(lb, LINK_ID_NONE); + dc_lb_pec_dynamic_sec_sel(lb, LINK_ID_NONE); + dc_lb_pec_clken(lb, CLKEN_DISABLE); + dc_lb_shdldsel(lb, BOTH); + dc_lb_shdtoksel(lb, BOTH); + dc_lb_enable_shden(lb); +} + +static int dc_lb_bind(struct device *dev, struct device *master, void *data) +{ + struct platform_device *pdev = to_platform_device(dev); + struct dc_drm_device *dc_drm = data; + struct dc_pe *pe = dc_drm->pe; + struct dc_lb_priv *priv; + + priv = drmm_kzalloc(&dc_drm->base, sizeof(*priv), GFP_KERNEL); + if (!priv) + return -ENOMEM; + + priv->reg_pec = devm_platform_ioremap_resource_byname(pdev, "pec"); + if (IS_ERR(priv->reg_pec)) + return PTR_ERR(priv->reg_pec); + + priv->reg_cfg = devm_platform_ioremap_resource_byname(pdev, "cfg"); + if (IS_ERR(priv->reg_cfg)) + return PTR_ERR(priv->reg_cfg); + + priv->lb.id = of_alias_get_id(dev->of_node, "dc0-layerblend"); + if (priv->lb.id < 0) { + dev_err(dev, "failed to get alias id: %d\n", priv->lb.id); + return priv->lb.id; + } + + priv->link = lb_links[priv->lb.id]; + + pe->lb[priv->lb.id] = &priv->lb; + + return 0; +} + +static const struct component_ops dc_lb_ops = { + .bind = dc_lb_bind, +}; + +static int dc_lb_probe(struct platform_device *pdev) +{ + int ret; + + ret = component_add(&pdev->dev, &dc_lb_ops); + if (ret) + return dev_err_probe(&pdev->dev, ret, + "failed to add component\n"); + + return 0; +} + +static void dc_lb_remove(struct platform_device *pdev) +{ + component_del(&pdev->dev, &dc_lb_ops); +} + +static const struct of_device_id dc_lb_dt_ids[] = { + { .compatible = "fsl,imx8qxp-dc-layerblend", }, + { /* sentinel */ } +}; +MODULE_DEVICE_TABLE(of, dc_lb_dt_ids); + +struct platform_driver dc_lb_driver = { + .probe = dc_lb_probe, + .remove_new = dc_lb_remove, + .driver = { + .name = "imx8-dc-layerblend", + .of_match_table = dc_lb_dt_ids, + }, +}; diff --git a/drivers/gpu/drm/imx/dc/dc-pe.c b/drivers/gpu/drm/imx/dc/dc-pe.c new file mode 100644 index 000000000000..a20a5adab231 --- /dev/null +++ b/drivers/gpu/drm/imx/dc/dc-pe.c @@ -0,0 +1,140 @@ +// SPDX-License-Identifier: GPL-2.0+ +/* + * Copyright 2024 NXP + */ + +#include +#include +#include +#include +#include +#include +#include +#include +#include + +#include + +#include "dc-drv.h" +#include "dc-fu.h" +#include "dc-pe.h" + +struct dc_pe_priv { + struct dc_pe engine; + struct clk *clk_axi; +}; + +static int dc_pe_bind(struct device *dev, struct device *master, void *data) +{ + struct dc_drm_device *dc_drm = data; + struct dc_pe_priv *priv; + int ret; + + priv = drmm_kzalloc(&dc_drm->base, sizeof(*priv), GFP_KERNEL); + if (!priv) + return -ENOMEM; + + priv->clk_axi = devm_clk_get(dev, NULL); + if (IS_ERR(priv->clk_axi)) + return dev_err_probe(dev, PTR_ERR(priv->clk_axi), + "failed to get AXI clock\n"); + + priv->engine.dev = dev; + + dev_set_drvdata(dev, priv); + + ret = devm_pm_runtime_enable(dev); + if (ret) + return ret; + + dc_drm->pe = &priv->engine; + + return 0; +} + +static const struct component_ops dc_pe_ops = { + .bind = dc_pe_bind, +}; + +static int dc_pe_probe(struct platform_device *pdev) +{ + int ret; + + ret = devm_of_platform_populate(&pdev->dev); + if (ret < 0) + return ret; + + ret = component_add(&pdev->dev, &dc_pe_ops); + if (ret) + return dev_err_probe(&pdev->dev, ret, + "failed to add component\n"); + + return 0; +} + +static void dc_pe_remove(struct platform_device *pdev) +{ + component_del(&pdev->dev, &dc_pe_ops); +} + +static int dc_pe_runtime_suspend(struct device *dev) +{ + struct dc_pe_priv *priv = dev_get_drvdata(dev); + + clk_disable_unprepare(priv->clk_axi); + + return 0; +} + +static int dc_pe_runtime_resume(struct device *dev) +{ + struct dc_pe_priv *priv = dev_get_drvdata(dev); + struct dc_pe *engine = &priv->engine; + int i, ret; + + ret = clk_prepare_enable(priv->clk_axi); + if (ret) { + dev_err(dev, "failed to enable AXI clock: %d\n", ret); + return ret; + } + + for (i = 0; i < ARRAY_SIZE(engine->cf_safe); i++) + dc_cf_init(engine->cf_safe[i]); + + for (i = 0; i < ARRAY_SIZE(engine->cf_cont); i++) + dc_cf_init(engine->cf_cont[i]); + + for (i = 0; i < ARRAY_SIZE(engine->ed_safe); i++) + dc_ed_init(engine->ed_safe[i]); + + for (i = 0; i < ARRAY_SIZE(engine->ed_cont); i++) + dc_ed_init(engine->ed_cont[i]); + + for (i = 0; i < ARRAY_SIZE(engine->fu_disp); i++) + engine->fu_disp[i]->ops.init(engine->fu_disp[i]); + + for (i = 0; i < ARRAY_SIZE(engine->lb); i++) + dc_lb_init(engine->lb[i]); + + return 0; +} + +static const struct dev_pm_ops dc_pe_pm_ops = { + RUNTIME_PM_OPS(dc_pe_runtime_suspend, dc_pe_runtime_resume, NULL) +}; + +static const struct of_device_id dc_pe_dt_ids[] = { + { .compatible = "fsl,imx8qxp-dc-pixel-engine", }, + { /* sentinel */ } +}; +MODULE_DEVICE_TABLE(of, dc_pe_dt_ids); + +struct platform_driver dc_pe_driver = { + .probe = dc_pe_probe, + .remove_new = dc_pe_remove, + .driver = { + .name = "imx8-dc-pixel-engine", + .of_match_table = dc_pe_dt_ids, + .pm = pm_sleep_ptr(&dc_pe_pm_ops), + }, +}; diff --git a/drivers/gpu/drm/imx/dc/dc-pe.h b/drivers/gpu/drm/imx/dc/dc-pe.h new file mode 100644 index 000000000000..82fee7fe112d --- /dev/null +++ b/drivers/gpu/drm/imx/dc/dc-pe.h @@ -0,0 +1,91 @@ +/* SPDX-License-Identifier: GPL-2.0+ */ +/* + * Copyright 2024 NXP + */ + +#ifndef __DC_PIXEL_ENGINE_H__ +#define __DC_PIXEL_ENGINE_H__ + +#include + +#include "dc-de.h" + +#define SHDEN BIT(0) + +#define CLKEN_MASK_SHIFT 24 +#define CLKEN_MASK (0x3 << CLKEN_MASK_SHIFT) +#define CLKEN(n) ((n) << CLKEN_MASK_SHIFT) + +#define DC_DISP_FETCHUNIT_CNT 2 +#define DC_LAYERBLEND_CNT 4 + +enum dc_link_id { + LINK_ID_NONE = 0x00, + LINK_ID_CONSTFRAME0 = 0x0c, + LINK_ID_CONSTFRAME4 = 0x0e, + LINK_ID_CONSTFRAME1 = 0x10, + LINK_ID_CONSTFRAME5 = 0x12, + LINK_ID_FETCHWARP2 = 0x14, + LINK_ID_FETCHLAYER0 = 0x1a, + LINK_ID_LAYERBLEND0 = 0x21, + LINK_ID_LAYERBLEND1 = 0x22, + LINK_ID_LAYERBLEND2 = 0x23, + LINK_ID_LAYERBLEND3 = 0x24, +}; + +enum dc_lb_mode { + LB_NEUTRAL, /* Output is same as primary input. */ + LB_BLEND, +}; + +enum dc_pec_clken { + CLKEN_DISABLE, + CLKEN_AUTOMATIC, +}; + +struct dc_cf { +}; + +struct dc_ed { + struct device *dev; + int irq_shdld; +}; + +struct dc_lb { + int id; +}; + +struct dc_pe { + struct device *dev; + struct dc_cf *cf_safe[DC_DISPLAYS]; + struct dc_cf *cf_cont[DC_DISPLAYS]; + struct dc_ed *ed_safe[DC_DISPLAYS]; + struct dc_ed *ed_cont[DC_DISPLAYS]; + struct dc_fu *fu_disp[DC_DISP_FETCHUNIT_CNT]; + struct dc_lb *lb[DC_LAYERBLEND_CNT]; +}; + +/* Constant Frame Unit */ +enum dc_link_id dc_cf_get_link_id(struct dc_cf *cf); +void dc_cf_framedimensions(struct dc_cf *cf, unsigned int w, unsigned int h); +void dc_cf_constantcolor_black(struct dc_cf *cf); +void dc_cf_constantcolor_blue(struct dc_cf *cf); +void dc_cf_init(struct dc_cf *cf); + +/* External Destination Unit */ +void dc_ed_pec_src_sel(struct dc_ed *ed, enum dc_link_id src); +void dc_ed_pec_sync_trigger(struct dc_ed *ed); +void dc_ed_init(struct dc_ed *ed); + +/* Layer Blend Unit */ +enum dc_link_id dc_lb_get_link_id(struct dc_lb *lb); +void dc_lb_pec_dynamic_prim_sel(struct dc_lb *lb, enum dc_link_id prim); +void dc_lb_pec_dynamic_sec_sel(struct dc_lb *lb, enum dc_link_id sec); +void dc_lb_pec_clken(struct dc_lb *lb, enum dc_pec_clken clken); +void dc_lb_mode(struct dc_lb *lb, enum dc_lb_mode mode); +void dc_lb_blendcontrol(struct dc_lb *lb); +void dc_lb_position(struct dc_lb *lb, int x, int y); +unsigned int dc_lb_get_id(struct dc_lb *lb); +void dc_lb_init(struct dc_lb *lb); + +#endif /* __DC_PIXEL_ENGINE_H__ */