| Message ID | 1626051778-13577-2-git-send-email-yongqiang.niu@mediatek.com (mailing list archive) |
|---|---|
| State | New, archived |
| Headers | show |
| Series | drm/mediatek: Separate aal module | expand |
Hi, Yongqiang: Yongqiang Niu <yongqiang.niu@mediatek.com> 於 2021年7月12日 週一 上午9:03寫道： > > mt8183 aal has no gamma function Applied to mediatek-drm-next [1], thanks. [1] https://git.kernel.org/pub/scm/linux/kernel/git/chunkuang.hu/linux.git/log/?h=mediatek-drm-next Regards, Chun-Kuang. > > Signed-off-by: Yongqiang Niu <yongqiang.niu@mediatek.com> > --- > drivers/gpu/drm/mediatek/Makefile | 3 +- > drivers/gpu/drm/mediatek/mtk_disp_aal.c | 166 ++++++++++++++++++++++++++++ > drivers/gpu/drm/mediatek/mtk_disp_drv.h | 9 ++ > drivers/gpu/drm/mediatek/mtk_drm_ddp_comp.c | 39 +------ > drivers/gpu/drm/mediatek/mtk_drm_drv.c | 6 +- > drivers/gpu/drm/mediatek/mtk_drm_drv.h | 1 + > 6 files changed, 184 insertions(+), 40 deletions(-) > create mode 100644 drivers/gpu/drm/mediatek/mtk_disp_aal.c > > diff --git a/drivers/gpu/drm/mediatek/Makefile b/drivers/gpu/drm/mediatek/Makefile > index dc54a7a..29098d7 100644 > --- a/drivers/gpu/drm/mediatek/Makefile > +++ b/drivers/gpu/drm/mediatek/Makefile > @@ -1,6 +1,7 @@ > # SPDX-License-Identifier: GPL-2.0 > > -mediatek-drm-y := mtk_disp_ccorr.o \ > +mediatek-drm-y := mtk_disp_aal.o \ > + mtk_disp_ccorr.o \ > mtk_disp_color.o \ > mtk_disp_gamma.o \ > mtk_disp_ovl.o \ > diff --git a/drivers/gpu/drm/mediatek/mtk_disp_aal.c b/drivers/gpu/drm/mediatek/mtk_disp_aal.c > new file mode 100644 > index 0000000..fb212e96 > --- /dev/null > +++ b/drivers/gpu/drm/mediatek/mtk_disp_aal.c > @@ -0,0 +1,166 @@ > +// 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_AAL_EN 0x0000 > +#define AAL_EN BIT(0) > +#define DISP_AAL_SIZE 0x0030 > + > + > +struct mtk_disp_aal_data { > + bool has_gamma; > +}; > + > +/** > + * struct mtk_disp_aal - DISP_AAL driver structure > + * @ddp_comp - structure containing type enum and hardware resources > + * @crtc - associated crtc to report irq events to > + */ > +struct mtk_disp_aal { > + struct clk *clk; > + void __iomem *regs; > + struct cmdq_client_reg cmdq_reg; > + const struct mtk_disp_aal_data *data; > +}; > + > +int mtk_aal_clk_enable(struct device *dev) > +{ > + struct mtk_disp_aal *aal = dev_get_drvdata(dev); > + > + return clk_prepare_enable(aal->clk); > +} > + > +void mtk_aal_clk_disable(struct device *dev) > +{ > + struct mtk_disp_aal *aal = dev_get_drvdata(dev); > + > + clk_disable_unprepare(aal->clk); > +} > + > +void mtk_aal_config(struct device *dev, unsigned int w, > + unsigned int h, unsigned int vrefresh, > + unsigned int bpc, struct cmdq_pkt *cmdq_pkt) > +{ > + struct mtk_disp_aal *aal = dev_get_drvdata(dev); > + > + mtk_ddp_write(cmdq_pkt, w << 16 | h, &aal->cmdq_reg, aal->regs, DISP_AAL_SIZE); > +} > + > +void mtk_aal_gamma_set(struct device *dev, struct drm_crtc_state *state) > +{ > + struct mtk_disp_aal *aal = dev_get_drvdata(dev); > + > + if (aal->data && aal->data->has_gamma) > + mtk_gamma_set_common(aal->regs, state); > +} > + > +void mtk_aal_start(struct device *dev) > +{ > + struct mtk_disp_aal *aal = dev_get_drvdata(dev); > + > + writel(AAL_EN, aal->regs + DISP_AAL_EN); > +} > + > +void mtk_aal_stop(struct device *dev) > +{ > + struct mtk_disp_aal *aal = dev_get_drvdata(dev); > + > + writel_relaxed(0x0, aal->regs + DISP_AAL_EN); > +} > + > +static int mtk_disp_aal_bind(struct device *dev, struct device *master, > + void *data) > +{ > + return 0; > +} > + > +static void mtk_disp_aal_unbind(struct device *dev, struct device *master, > + void *data) > +{ > +} > + > +static const struct component_ops mtk_disp_aal_component_ops = { > + .bind = mtk_disp_aal_bind, > + .unbind = mtk_disp_aal_unbind, > +}; > + > +static int mtk_disp_aal_probe(struct platform_device *pdev) > +{ > + struct device *dev = &pdev->dev; > + struct mtk_disp_aal *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 aal 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 aal\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_aal_component_ops); > + if (ret) > + dev_err(dev, "Failed to add component: %d\n", ret); > + > + return ret; > +} > + > +static int mtk_disp_aal_remove(struct platform_device *pdev) > +{ > + component_del(&pdev->dev, &mtk_disp_aal_component_ops); > + > + return 0; > +} > + > +static const struct mtk_disp_aal_data mt8173_aal_driver_data = { > + .has_gamma = true, > +}; > + > +static const struct of_device_id mtk_disp_aal_driver_dt_match[] = { > + { .compatible = "mediatek,mt8173-disp-aal", > + .data = &mt8173_aal_driver_data}, > + {}, > +}; > +MODULE_DEVICE_TABLE(of, mtk_disp_aal_driver_dt_match); > + > +struct platform_driver mtk_disp_aal_driver = { > + .probe = mtk_disp_aal_probe, > + .remove = mtk_disp_aal_remove, > + .driver = { > + .name = "mediatek-disp-aal", > + .owner = THIS_MODULE, > + .of_match_table = mtk_disp_aal_driver_dt_match, > + }, > +}; > diff --git a/drivers/gpu/drm/mediatek/mtk_disp_drv.h b/drivers/gpu/drm/mediatek/mtk_disp_drv.h > index cafd9df..86c3068 100644 > --- a/drivers/gpu/drm/mediatek/mtk_disp_drv.h > +++ b/drivers/gpu/drm/mediatek/mtk_disp_drv.h > @@ -9,6 +9,15 @@ > #include <linux/soc/mediatek/mtk-cmdq.h> > #include "mtk_drm_plane.h" > > +int mtk_aal_clk_enable(struct device *dev); > +void mtk_aal_clk_disable(struct device *dev); > +void mtk_aal_config(struct device *dev, unsigned int w, > + unsigned int h, unsigned int vrefresh, > + unsigned int bpc, struct cmdq_pkt *cmdq_pkt); > +void mtk_aal_gamma_set(struct device *dev, struct drm_crtc_state *state); > +void mtk_aal_start(struct device *dev); > +void mtk_aal_stop(struct device *dev); > + > void mtk_ccorr_ctm_set(struct device *dev, struct drm_crtc_state *state); > int mtk_ccorr_clk_enable(struct device *dev); > void mtk_ccorr_clk_disable(struct device *dev); > diff --git a/drivers/gpu/drm/mediatek/mtk_drm_ddp_comp.c b/drivers/gpu/drm/mediatek/mtk_drm_ddp_comp.c > index 75bc00e..f367142 100644 > --- a/drivers/gpu/drm/mediatek/mtk_drm_ddp_comp.c > +++ b/drivers/gpu/drm/mediatek/mtk_drm_ddp_comp.c > @@ -32,9 +32,6 @@ > > #define DISP_REG_UFO_START 0x0000 > > -#define DISP_AAL_EN 0x0000 > -#define DISP_AAL_SIZE 0x0030 > - > #define DISP_DITHER_EN 0x0000 > #define DITHER_EN BIT(0) > #define DISP_DITHER_CFG 0x0020 > @@ -48,8 +45,6 @@ > > #define UFO_BYPASS BIT(2) > > -#define AAL_EN BIT(0) > - > #define DISP_DITHERING BIT(2) > #define DITHER_LSB_ERR_SHIFT_R(x) (((x) & 0x7) << 28) > #define DITHER_OVFLW_BIT_R(x) (((x) & 0x7) << 24) > @@ -190,36 +185,6 @@ static void mtk_ufoe_start(struct device *dev) > writel(UFO_BYPASS, priv->regs + DISP_REG_UFO_START); > } > > -static void mtk_aal_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_AAL_SIZE); > -} > - > -static void mtk_aal_gamma_set(struct device *dev, struct drm_crtc_state *state) > -{ > - struct mtk_ddp_comp_dev *priv = dev_get_drvdata(dev); > - > - mtk_gamma_set_common(priv->regs, state); > -} > - > -static void mtk_aal_start(struct device *dev) > -{ > - struct mtk_ddp_comp_dev *priv = dev_get_drvdata(dev); > - > - writel(AAL_EN, priv->regs + DISP_AAL_EN); > -} > - > -static void mtk_aal_stop(struct device *dev) > -{ > - struct mtk_ddp_comp_dev *priv = dev_get_drvdata(dev); > - > - writel_relaxed(0x0, priv->regs + DISP_AAL_EN); > -} > - > static void mtk_dither_config(struct device *dev, unsigned int w, > unsigned int h, unsigned int vrefresh, > unsigned int bpc, struct cmdq_pkt *cmdq_pkt) > @@ -247,8 +212,8 @@ static void mtk_dither_stop(struct device *dev) > } > > static const struct mtk_ddp_comp_funcs ddp_aal = { > - .clk_enable = mtk_ddp_clk_enable, > - .clk_disable = mtk_ddp_clk_disable, > + .clk_enable = mtk_aal_clk_enable, > + .clk_disable = mtk_aal_clk_disable, > .gamma_set = mtk_aal_gamma_set, > .config = mtk_aal_config, > .start = mtk_aal_start, > diff --git a/drivers/gpu/drm/mediatek/mtk_drm_drv.c b/drivers/gpu/drm/mediatek/mtk_drm_drv.c > index b46bdb8..67a585e 100644 > --- a/drivers/gpu/drm/mediatek/mtk_drm_drv.c > +++ b/drivers/gpu/drm/mediatek/mtk_drm_drv.c > @@ -532,11 +532,12 @@ static int mtk_drm_probe(struct platform_device *pdev) > private->comp_node[comp_id] = of_node_get(node); > > /* > - * Currently only the CCORR, COLOR, GAMMA, OVL, RDMA, DSI, and DPI > + * Currently only the AAL, CCORR, COLOR, GAMMA, 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_CCORR || > + 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_OVL || > @@ -636,6 +637,7 @@ static SIMPLE_DEV_PM_OPS(mtk_drm_pm_ops, mtk_drm_sys_suspend, > }; > > static struct platform_driver * const mtk_drm_drivers[] = { > + &mtk_disp_aal_driver, > &mtk_disp_ccorr_driver, > &mtk_disp_color_driver, > &mtk_disp_gamma_driver, > diff --git a/drivers/gpu/drm/mediatek/mtk_drm_drv.h b/drivers/gpu/drm/mediatek/mtk_drm_drv.h > index 637f566..3e7d1e6 100644 > --- a/drivers/gpu/drm/mediatek/mtk_drm_drv.h > +++ b/drivers/gpu/drm/mediatek/mtk_drm_drv.h > @@ -46,6 +46,7 @@ struct mtk_drm_private { > struct drm_atomic_state *suspend_state; > }; > > +extern struct platform_driver mtk_disp_aal_driver; > extern struct platform_driver mtk_disp_ccorr_driver; > extern struct platform_driver mtk_disp_color_driver; > extern struct platform_driver mtk_disp_gamma_driver; > -- > 1.8.1.1.dirty >
On Mon, Jul 12, 2021 at 9:03 AM Yongqiang Niu <yongqiang.niu@mediatek.com> wrote: > > mt8183 aal has no gamma function > > Signed-off-by: Yongqiang Niu <yongqiang.niu@mediatek.com> > --- > drivers/gpu/drm/mediatek/Makefile | 3 +- > drivers/gpu/drm/mediatek/mtk_disp_aal.c | 166 ++++++++++++++++++++++++++++ > drivers/gpu/drm/mediatek/mtk_disp_drv.h | 9 ++ > drivers/gpu/drm/mediatek/mtk_drm_ddp_comp.c | 39 +------ > drivers/gpu/drm/mediatek/mtk_drm_drv.c | 6 +- > drivers/gpu/drm/mediatek/mtk_drm_drv.h | 1 + > 6 files changed, 184 insertions(+), 40 deletions(-) > create mode 100644 drivers/gpu/drm/mediatek/mtk_disp_aal.c > > diff --git a/drivers/gpu/drm/mediatek/Makefile b/drivers/gpu/drm/mediatek/Makefile > index dc54a7a..29098d7 100644 > --- a/drivers/gpu/drm/mediatek/Makefile > +++ b/drivers/gpu/drm/mediatek/Makefile > @@ -1,6 +1,7 @@ > # SPDX-License-Identifier: GPL-2.0 > > -mediatek-drm-y := mtk_disp_ccorr.o \ > +mediatek-drm-y := mtk_disp_aal.o \ > + mtk_disp_ccorr.o \ > mtk_disp_color.o \ > mtk_disp_gamma.o \ > mtk_disp_ovl.o \ > diff --git a/drivers/gpu/drm/mediatek/mtk_disp_aal.c b/drivers/gpu/drm/mediatek/mtk_disp_aal.c > new file mode 100644 > index 0000000..fb212e96 > --- /dev/null > +++ b/drivers/gpu/drm/mediatek/mtk_disp_aal.c > @@ -0,0 +1,166 @@ > +// 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_AAL_EN 0x0000 > +#define AAL_EN BIT(0) > +#define DISP_AAL_SIZE 0x0030 > + > + > +struct mtk_disp_aal_data { > + bool has_gamma; > +}; > + > +/** > + * struct mtk_disp_aal - DISP_AAL driver structure > + * @ddp_comp - structure containing type enum and hardware resources > + * @crtc - associated crtc to report irq events to > + */ > +struct mtk_disp_aal { > + struct clk *clk; > + void __iomem *regs; > + struct cmdq_client_reg cmdq_reg; > + const struct mtk_disp_aal_data *data; > +}; > + > +int mtk_aal_clk_enable(struct device *dev) > +{ > + struct mtk_disp_aal *aal = dev_get_drvdata(dev); > + > + return clk_prepare_enable(aal->clk); > +} > + > +void mtk_aal_clk_disable(struct device *dev) > +{ > + struct mtk_disp_aal *aal = dev_get_drvdata(dev); > + > + clk_disable_unprepare(aal->clk); > +} > + > +void mtk_aal_config(struct device *dev, unsigned int w, > + unsigned int h, unsigned int vrefresh, > + unsigned int bpc, struct cmdq_pkt *cmdq_pkt) > +{ > + struct mtk_disp_aal *aal = dev_get_drvdata(dev); > + > + mtk_ddp_write(cmdq_pkt, w << 16 | h, &aal->cmdq_reg, aal->regs, DISP_AAL_SIZE); > +} > + > +void mtk_aal_gamma_set(struct device *dev, struct drm_crtc_state *state) > +{ > + struct mtk_disp_aal *aal = dev_get_drvdata(dev); > + > + if (aal->data && aal->data->has_gamma) > + mtk_gamma_set_common(aal->regs, state); > +} > + > +void mtk_aal_start(struct device *dev) > +{ > + struct mtk_disp_aal *aal = dev_get_drvdata(dev); > + > + writel(AAL_EN, aal->regs + DISP_AAL_EN); > +} > + > +void mtk_aal_stop(struct device *dev) > +{ > + struct mtk_disp_aal *aal = dev_get_drvdata(dev); > + > + writel_relaxed(0x0, aal->regs + DISP_AAL_EN); > +} > + > +static int mtk_disp_aal_bind(struct device *dev, struct device *master, > + void *data) > +{ > + return 0; > +} > + > +static void mtk_disp_aal_unbind(struct device *dev, struct device *master, > + void *data) > +{ > +} > + > +static const struct component_ops mtk_disp_aal_component_ops = { > + .bind = mtk_disp_aal_bind, > + .unbind = mtk_disp_aal_unbind, > +}; > + > +static int mtk_disp_aal_probe(struct platform_device *pdev) > +{ > + struct device *dev = &pdev->dev; > + struct mtk_disp_aal *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 aal 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 aal\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_aal_component_ops); > + if (ret) > + dev_err(dev, "Failed to add component: %d\n", ret); > + > + return ret; > +} > + > +static int mtk_disp_aal_remove(struct platform_device *pdev) > +{ > + component_del(&pdev->dev, &mtk_disp_aal_component_ops); > + > + return 0; > +} > + > +static const struct mtk_disp_aal_data mt8173_aal_driver_data = { > + .has_gamma = true, > +}; > + > +static const struct of_device_id mtk_disp_aal_driver_dt_match[] = { > + { .compatible = "mediatek,mt8173-disp-aal", > + .data = &mt8173_aal_driver_data}, > + {}, > +}; > +MODULE_DEVICE_TABLE(of, mtk_disp_aal_driver_dt_match); > + > +struct platform_driver mtk_disp_aal_driver = { > + .probe = mtk_disp_aal_probe, > + .remove = mtk_disp_aal_remove, > + .driver = { > + .name = "mediatek-disp-aal", > + .owner = THIS_MODULE, > + .of_match_table = mtk_disp_aal_driver_dt_match, > + }, > +}; > diff --git a/drivers/gpu/drm/mediatek/mtk_disp_drv.h b/drivers/gpu/drm/mediatek/mtk_disp_drv.h > index cafd9df..86c3068 100644 > --- a/drivers/gpu/drm/mediatek/mtk_disp_drv.h > +++ b/drivers/gpu/drm/mediatek/mtk_disp_drv.h > @@ -9,6 +9,15 @@ > #include <linux/soc/mediatek/mtk-cmdq.h> > #include "mtk_drm_plane.h" > > +int mtk_aal_clk_enable(struct device *dev); > +void mtk_aal_clk_disable(struct device *dev); > +void mtk_aal_config(struct device *dev, unsigned int w, > + unsigned int h, unsigned int vrefresh, > + unsigned int bpc, struct cmdq_pkt *cmdq_pkt); > +void mtk_aal_gamma_set(struct device *dev, struct drm_crtc_state *state); > +void mtk_aal_start(struct device *dev); > +void mtk_aal_stop(struct device *dev); > + > void mtk_ccorr_ctm_set(struct device *dev, struct drm_crtc_state *state); > int mtk_ccorr_clk_enable(struct device *dev); > void mtk_ccorr_clk_disable(struct device *dev); > diff --git a/drivers/gpu/drm/mediatek/mtk_drm_ddp_comp.c b/drivers/gpu/drm/mediatek/mtk_drm_ddp_comp.c > index 75bc00e..f367142 100644 > --- a/drivers/gpu/drm/mediatek/mtk_drm_ddp_comp.c > +++ b/drivers/gpu/drm/mediatek/mtk_drm_ddp_comp.c in mtk_ddp_comp_init(), MTK_DISP_AAL should be skipped in the if() block to avoid creating priv again. @@ -435,7 +435,8 @@ int mtk_ddp_comp_init(struct device_node *node, struct mtk_ddp_comp *comp, } comp->dev = &comp_pdev->dev; - if (type == MTK_DISP_BLS || + if (type == MTK_DISP_AAL || + type == MTK_DISP_BLS || type == MTK_DISP_CCORR || Otherwise we would see [ 0.216759] mediatek-drm mediatek-drm.1.auto: Adding component match for /soc/aal@14010000 [ 0.431996] platform 14010000.aal: Resources present before probing and the display is completely black. > @@ -32,9 +32,6 @@ > > #define DISP_REG_UFO_START 0x0000 > > -#define DISP_AAL_EN 0x0000 > -#define DISP_AAL_SIZE 0x0030 > - > #define DISP_DITHER_EN 0x0000 > #define DITHER_EN BIT(0) > #define DISP_DITHER_CFG 0x0020 > @@ -48,8 +45,6 @@ > > #define UFO_BYPASS BIT(2) > > -#define AAL_EN BIT(0) > - > #define DISP_DITHERING BIT(2) > #define DITHER_LSB_ERR_SHIFT_R(x) (((x) & 0x7) << 28) > #define DITHER_OVFLW_BIT_R(x) (((x) & 0x7) << 24) > @@ -190,36 +185,6 @@ static void mtk_ufoe_start(struct device *dev) > writel(UFO_BYPASS, priv->regs + DISP_REG_UFO_START); > } > > -static void mtk_aal_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_AAL_SIZE); > -} > - > -static void mtk_aal_gamma_set(struct device *dev, struct drm_crtc_state *state) > -{ > - struct mtk_ddp_comp_dev *priv = dev_get_drvdata(dev); > - > - mtk_gamma_set_common(priv->regs, state); > -} > - > -static void mtk_aal_start(struct device *dev) > -{ > - struct mtk_ddp_comp_dev *priv = dev_get_drvdata(dev); > - > - writel(AAL_EN, priv->regs + DISP_AAL_EN); > -} > - > -static void mtk_aal_stop(struct device *dev) > -{ > - struct mtk_ddp_comp_dev *priv = dev_get_drvdata(dev); > - > - writel_relaxed(0x0, priv->regs + DISP_AAL_EN); > -} > - > static void mtk_dither_config(struct device *dev, unsigned int w, > unsigned int h, unsigned int vrefresh, > unsigned int bpc, struct cmdq_pkt *cmdq_pkt) > @@ -247,8 +212,8 @@ static void mtk_dither_stop(struct device *dev) > } > > static const struct mtk_ddp_comp_funcs ddp_aal = { > - .clk_enable = mtk_ddp_clk_enable, > - .clk_disable = mtk_ddp_clk_disable, > + .clk_enable = mtk_aal_clk_enable, > + .clk_disable = mtk_aal_clk_disable, > .gamma_set = mtk_aal_gamma_set, > .config = mtk_aal_config, > .start = mtk_aal_start, > diff --git a/drivers/gpu/drm/mediatek/mtk_drm_drv.c b/drivers/gpu/drm/mediatek/mtk_drm_drv.c > index b46bdb8..67a585e 100644 > --- a/drivers/gpu/drm/mediatek/mtk_drm_drv.c > +++ b/drivers/gpu/drm/mediatek/mtk_drm_drv.c > @@ -532,11 +532,12 @@ static int mtk_drm_probe(struct platform_device *pdev) > private->comp_node[comp_id] = of_node_get(node); > > /* > - * Currently only the CCORR, COLOR, GAMMA, OVL, RDMA, DSI, and DPI > + * Currently only the AAL, CCORR, COLOR, GAMMA, 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_CCORR || > + 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_OVL || > @@ -636,6 +637,7 @@ static SIMPLE_DEV_PM_OPS(mtk_drm_pm_ops, mtk_drm_sys_suspend, > }; > > static struct platform_driver * const mtk_drm_drivers[] = { > + &mtk_disp_aal_driver, > &mtk_disp_ccorr_driver, > &mtk_disp_color_driver, > &mtk_disp_gamma_driver, > diff --git a/drivers/gpu/drm/mediatek/mtk_drm_drv.h b/drivers/gpu/drm/mediatek/mtk_drm_drv.h > index 637f566..3e7d1e6 100644 > --- a/drivers/gpu/drm/mediatek/mtk_drm_drv.h > +++ b/drivers/gpu/drm/mediatek/mtk_drm_drv.h > @@ -46,6 +46,7 @@ struct mtk_drm_private { > struct drm_atomic_state *suspend_state; > }; > > +extern struct platform_driver mtk_disp_aal_driver; > extern struct platform_driver mtk_disp_ccorr_driver; > extern struct platform_driver mtk_disp_color_driver; > extern struct platform_driver mtk_disp_gamma_driver; > -- > 1.8.1.1.dirty >
diff --git a/drivers/gpu/drm/mediatek/Makefile b/drivers/gpu/drm/mediatek/Makefile index dc54a7a..29098d7 100644 --- a/drivers/gpu/drm/mediatek/Makefile +++ b/drivers/gpu/drm/mediatek/Makefile @@ -1,6 +1,7 @@ # SPDX-License-Identifier: GPL-2.0 -mediatek-drm-y := mtk_disp_ccorr.o \ +mediatek-drm-y := mtk_disp_aal.o \ + mtk_disp_ccorr.o \ mtk_disp_color.o \ mtk_disp_gamma.o \ mtk_disp_ovl.o \ diff --git a/drivers/gpu/drm/mediatek/mtk_disp_aal.c b/drivers/gpu/drm/mediatek/mtk_disp_aal.c new file mode 100644 index 0000000..fb212e96 --- /dev/null +++ b/drivers/gpu/drm/mediatek/mtk_disp_aal.c @@ -0,0 +1,166 @@ +// 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_AAL_EN 0x0000 +#define AAL_EN BIT(0) +#define DISP_AAL_SIZE 0x0030 + + +struct mtk_disp_aal_data { + bool has_gamma; +}; + +/** + * struct mtk_disp_aal - DISP_AAL driver structure + * @ddp_comp - structure containing type enum and hardware resources + * @crtc - associated crtc to report irq events to + */ +struct mtk_disp_aal { + struct clk *clk; + void __iomem *regs; + struct cmdq_client_reg cmdq_reg; + const struct mtk_disp_aal_data *data; +}; + +int mtk_aal_clk_enable(struct device *dev) +{ + struct mtk_disp_aal *aal = dev_get_drvdata(dev); + + return clk_prepare_enable(aal->clk); +} + +void mtk_aal_clk_disable(struct device *dev) +{ + struct mtk_disp_aal *aal = dev_get_drvdata(dev); + + clk_disable_unprepare(aal->clk); +} + +void mtk_aal_config(struct device *dev, unsigned int w, + unsigned int h, unsigned int vrefresh, + unsigned int bpc, struct cmdq_pkt *cmdq_pkt) +{ + struct mtk_disp_aal *aal = dev_get_drvdata(dev); + + mtk_ddp_write(cmdq_pkt, w << 16 | h, &aal->cmdq_reg, aal->regs, DISP_AAL_SIZE); +} + +void mtk_aal_gamma_set(struct device *dev, struct drm_crtc_state *state) +{ + struct mtk_disp_aal *aal = dev_get_drvdata(dev); + + if (aal->data && aal->data->has_gamma) + mtk_gamma_set_common(aal->regs, state); +} + +void mtk_aal_start(struct device *dev) +{ + struct mtk_disp_aal *aal = dev_get_drvdata(dev); + + writel(AAL_EN, aal->regs + DISP_AAL_EN); +} + +void mtk_aal_stop(struct device *dev) +{ + struct mtk_disp_aal *aal = dev_get_drvdata(dev); + + writel_relaxed(0x0, aal->regs + DISP_AAL_EN); +} + +static int mtk_disp_aal_bind(struct device *dev, struct device *master, + void *data) +{ + return 0; +} + +static void mtk_disp_aal_unbind(struct device *dev, struct device *master, + void *data) +{ +} + +static const struct component_ops mtk_disp_aal_component_ops = { + .bind = mtk_disp_aal_bind, + .unbind = mtk_disp_aal_unbind, +}; + +static int mtk_disp_aal_probe(struct platform_device *pdev) +{ + struct device *dev = &pdev->dev; + struct mtk_disp_aal *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 aal 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 aal\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_aal_component_ops); + if (ret) + dev_err(dev, "Failed to add component: %d\n", ret); + + return ret; +} + +static int mtk_disp_aal_remove(struct platform_device *pdev) +{ + component_del(&pdev->dev, &mtk_disp_aal_component_ops); + + return 0; +} + +static const struct mtk_disp_aal_data mt8173_aal_driver_data = { + .has_gamma = true, +}; + +static const struct of_device_id mtk_disp_aal_driver_dt_match[] = { + { .compatible = "mediatek,mt8173-disp-aal", + .data = &mt8173_aal_driver_data}, + {}, +}; +MODULE_DEVICE_TABLE(of, mtk_disp_aal_driver_dt_match); + +struct platform_driver mtk_disp_aal_driver = { + .probe = mtk_disp_aal_probe, + .remove = mtk_disp_aal_remove, + .driver = { + .name = "mediatek-disp-aal", + .owner = THIS_MODULE, + .of_match_table = mtk_disp_aal_driver_dt_match, + }, +}; diff --git a/drivers/gpu/drm/mediatek/mtk_disp_drv.h b/drivers/gpu/drm/mediatek/mtk_disp_drv.h index cafd9df..86c3068 100644 --- a/drivers/gpu/drm/mediatek/mtk_disp_drv.h +++ b/drivers/gpu/drm/mediatek/mtk_disp_drv.h @@ -9,6 +9,15 @@ #include <linux/soc/mediatek/mtk-cmdq.h> #include "mtk_drm_plane.h" +int mtk_aal_clk_enable(struct device *dev); +void mtk_aal_clk_disable(struct device *dev); +void mtk_aal_config(struct device *dev, unsigned int w, + unsigned int h, unsigned int vrefresh, + unsigned int bpc, struct cmdq_pkt *cmdq_pkt); +void mtk_aal_gamma_set(struct device *dev, struct drm_crtc_state *state); +void mtk_aal_start(struct device *dev); +void mtk_aal_stop(struct device *dev); + void mtk_ccorr_ctm_set(struct device *dev, struct drm_crtc_state *state); int mtk_ccorr_clk_enable(struct device *dev); void mtk_ccorr_clk_disable(struct device *dev); diff --git a/drivers/gpu/drm/mediatek/mtk_drm_ddp_comp.c b/drivers/gpu/drm/mediatek/mtk_drm_ddp_comp.c index 75bc00e..f367142 100644 --- a/drivers/gpu/drm/mediatek/mtk_drm_ddp_comp.c +++ b/drivers/gpu/drm/mediatek/mtk_drm_ddp_comp.c @@ -32,9 +32,6 @@ #define DISP_REG_UFO_START 0x0000 -#define DISP_AAL_EN 0x0000 -#define DISP_AAL_SIZE 0x0030 - #define DISP_DITHER_EN 0x0000 #define DITHER_EN BIT(0) #define DISP_DITHER_CFG 0x0020 @@ -48,8 +45,6 @@ #define UFO_BYPASS BIT(2) -#define AAL_EN BIT(0) - #define DISP_DITHERING BIT(2) #define DITHER_LSB_ERR_SHIFT_R(x) (((x) & 0x7) << 28) #define DITHER_OVFLW_BIT_R(x) (((x) & 0x7) << 24) @@ -190,36 +185,6 @@ static void mtk_ufoe_start(struct device *dev) writel(UFO_BYPASS, priv->regs + DISP_REG_UFO_START); } -static void mtk_aal_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_AAL_SIZE); -} - -static void mtk_aal_gamma_set(struct device *dev, struct drm_crtc_state *state) -{ - struct mtk_ddp_comp_dev *priv = dev_get_drvdata(dev); - - mtk_gamma_set_common(priv->regs, state); -} - -static void mtk_aal_start(struct device *dev) -{ - struct mtk_ddp_comp_dev *priv = dev_get_drvdata(dev); - - writel(AAL_EN, priv->regs + DISP_AAL_EN); -} - -static void mtk_aal_stop(struct device *dev) -{ - struct mtk_ddp_comp_dev *priv = dev_get_drvdata(dev); - - writel_relaxed(0x0, priv->regs + DISP_AAL_EN); -} - static void mtk_dither_config(struct device *dev, unsigned int w, unsigned int h, unsigned int vrefresh, unsigned int bpc, struct cmdq_pkt *cmdq_pkt) @@ -247,8 +212,8 @@ static void mtk_dither_stop(struct device *dev) } static const struct mtk_ddp_comp_funcs ddp_aal = { - .clk_enable = mtk_ddp_clk_enable, - .clk_disable = mtk_ddp_clk_disable, + .clk_enable = mtk_aal_clk_enable, + .clk_disable = mtk_aal_clk_disable, .gamma_set = mtk_aal_gamma_set, .config = mtk_aal_config, .start = mtk_aal_start, diff --git a/drivers/gpu/drm/mediatek/mtk_drm_drv.c b/drivers/gpu/drm/mediatek/mtk_drm_drv.c index b46bdb8..67a585e 100644 --- a/drivers/gpu/drm/mediatek/mtk_drm_drv.c +++ b/drivers/gpu/drm/mediatek/mtk_drm_drv.c @@ -532,11 +532,12 @@ static int mtk_drm_probe(struct platform_device *pdev) private->comp_node[comp_id] = of_node_get(node); /* - * Currently only the CCORR, COLOR, GAMMA, OVL, RDMA, DSI, and DPI + * Currently only the AAL, CCORR, COLOR, GAMMA, 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_CCORR || + 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_OVL || @@ -636,6 +637,7 @@ static SIMPLE_DEV_PM_OPS(mtk_drm_pm_ops, mtk_drm_sys_suspend, }; static struct platform_driver * const mtk_drm_drivers[] = { + &mtk_disp_aal_driver, &mtk_disp_ccorr_driver, &mtk_disp_color_driver, &mtk_disp_gamma_driver, diff --git a/drivers/gpu/drm/mediatek/mtk_drm_drv.h b/drivers/gpu/drm/mediatek/mtk_drm_drv.h index 637f566..3e7d1e6 100644 --- a/drivers/gpu/drm/mediatek/mtk_drm_drv.h +++ b/drivers/gpu/drm/mediatek/mtk_drm_drv.h @@ -46,6 +46,7 @@ struct mtk_drm_private { struct drm_atomic_state *suspend_state; }; +extern struct platform_driver mtk_disp_aal_driver; extern struct platform_driver mtk_disp_ccorr_driver; extern struct platform_driver mtk_disp_color_driver; extern struct platform_driver mtk_disp_gamma_driver;
mt8183 aal has no gamma function Signed-off-by: Yongqiang Niu <yongqiang.niu@mediatek.com> --- drivers/gpu/drm/mediatek/Makefile | 3 +- drivers/gpu/drm/mediatek/mtk_disp_aal.c | 166 ++++++++++++++++++++++++++++ drivers/gpu/drm/mediatek/mtk_disp_drv.h | 9 ++ drivers/gpu/drm/mediatek/mtk_drm_ddp_comp.c | 39 +------ drivers/gpu/drm/mediatek/mtk_drm_drv.c | 6 +- drivers/gpu/drm/mediatek/mtk_drm_drv.h | 1 + 6 files changed, 184 insertions(+), 40 deletions(-) create mode 100644 drivers/gpu/drm/mediatek/mtk_disp_aal.c