From: Yongqiang Niu yongqiang.niu@mediatek.com
ccorr ctm matrix bits will be different in mt8192
Signed-off-by: Yongqiang Niu yongqiang.niu@mediatek.com Signed-off-by: Hsin-Yi Wang hsinyi@chromium.org Reviewed-by: CK Hu ck.hu@mediatek.com --- drivers/gpu/drm/mediatek/Makefile | 3 +- drivers/gpu/drm/mediatek/mtk_disp_ccorr.c | 216 ++++++++++++++++++++ drivers/gpu/drm/mediatek/mtk_disp_drv.h | 9 + drivers/gpu/drm/mediatek/mtk_drm_ddp_comp.c | 95 +-------- drivers/gpu/drm/mediatek/mtk_drm_drv.c | 8 +- drivers/gpu/drm/mediatek/mtk_drm_drv.h | 1 + 6 files changed, 236 insertions(+), 96 deletions(-) create mode 100644 drivers/gpu/drm/mediatek/mtk_disp_ccorr.c
diff --git a/drivers/gpu/drm/mediatek/Makefile b/drivers/gpu/drm/mediatek/Makefile index b64674b944860..dc54a7a690054 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_color.o \ +mediatek-drm-y := mtk_disp_ccorr.o \ + mtk_disp_color.o \ mtk_disp_gamma.o \ mtk_disp_ovl.o \ mtk_disp_rdma.o \ diff --git a/drivers/gpu/drm/mediatek/mtk_disp_ccorr.c b/drivers/gpu/drm/mediatek/mtk_disp_ccorr.c new file mode 100644 index 0000000000000..6ee2431e6b843 --- /dev/null +++ b/drivers/gpu/drm/mediatek/mtk_disp_ccorr.c @@ -0,0 +1,216 @@ +// 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_CCORR_EN 0x0000 +#define CCORR_EN BIT(0) +#define DISP_CCORR_CFG 0x0020 +#define CCORR_RELAY_MODE BIT(0) +#define CCORR_ENGINE_EN BIT(1) +#define CCORR_GAMMA_OFF BIT(2) +#define CCORR_WGAMUT_SRC_CLIP BIT(3) +#define DISP_CCORR_SIZE 0x0030 +#define DISP_CCORR_COEF_0 0x0080 +#define DISP_CCORR_COEF_1 0x0084 +#define DISP_CCORR_COEF_2 0x0088 +#define DISP_CCORR_COEF_3 0x008C +#define DISP_CCORR_COEF_4 0x0090 + +struct mtk_disp_ccorr_data { + u32 reserved; +}; + +/** + * struct mtk_disp_ccorr - DISP_CCORR driver structure + * @ddp_comp - structure containing type enum and hardware resources + * @crtc - associated crtc to report irq events to + */ +struct mtk_disp_ccorr { + struct clk *clk; + void __iomem *regs; + struct cmdq_client_reg cmdq_reg; + const struct mtk_disp_ccorr_data *data; +}; + +int mtk_ccorr_clk_enable(struct device *dev) +{ + struct mtk_disp_ccorr *ccorr = dev_get_drvdata(dev); + + return clk_prepare_enable(ccorr->clk); +} + +void mtk_ccorr_clk_disable(struct device *dev) +{ + struct mtk_disp_ccorr *ccorr = dev_get_drvdata(dev); + + clk_disable_unprepare(ccorr->clk); +} + +void mtk_ccorr_config(struct device *dev, unsigned int w, + unsigned int h, unsigned int vrefresh, + unsigned int bpc, struct cmdq_pkt *cmdq_pkt) +{ + struct mtk_disp_ccorr *ccorr = dev_get_drvdata(dev); + + mtk_ddp_write(cmdq_pkt, h << 16 | w, &ccorr->cmdq_reg, ccorr->regs, + DISP_CCORR_SIZE); + mtk_ddp_write(cmdq_pkt, CCORR_ENGINE_EN, &ccorr->cmdq_reg, ccorr->regs, + DISP_CCORR_CFG); +} + +void mtk_ccorr_start(struct device *dev) +{ + struct mtk_disp_ccorr *ccorr = dev_get_drvdata(dev); + + writel(CCORR_EN, ccorr->regs + DISP_CCORR_EN); +} + +void mtk_ccorr_stop(struct device *dev) +{ + struct mtk_disp_ccorr *ccorr = dev_get_drvdata(dev); + + writel_relaxed(0x0, ccorr->regs + DISP_CCORR_EN); +} + +/* Converts a DRM S31.32 value to the HW S1.10 format. */ +static u16 mtk_ctm_s31_32_to_s1_10(u64 in) +{ + u16 r; + + /* Sign bit. */ + r = in & BIT_ULL(63) ? BIT(11) : 0; + + if ((in & GENMASK_ULL(62, 33)) > 0) { + /* identity value 0x100000000 -> 0x400, */ + /* if bigger this, set it to max 0x7ff. */ + r |= GENMASK(10, 0); + } else { + /* take the 11 most important bits. */ + r |= (in >> 22) & GENMASK(10, 0); + } + + return r; +} + +void mtk_ccorr_ctm_set(struct device *dev, struct drm_crtc_state *state) +{ + struct mtk_disp_ccorr *ccorr = dev_get_drvdata(dev); + struct drm_property_blob *blob = state->ctm; + struct drm_color_ctm *ctm; + const u64 *input; + uint16_t coeffs[9] = { 0 }; + int i; + struct cmdq_pkt *cmdq_pkt = NULL; + + if (!blob) + return; + + ctm = (struct drm_color_ctm *)blob->data; + input = ctm->matrix; + + for (i = 0; i < ARRAY_SIZE(coeffs); i++) + coeffs[i] = mtk_ctm_s31_32_to_s1_10(input[i]); + + mtk_ddp_write(cmdq_pkt, coeffs[0] << 16 | coeffs[1], + &ccorr->cmdq_reg, ccorr->regs, DISP_CCORR_COEF_0); + mtk_ddp_write(cmdq_pkt, coeffs[2] << 16 | coeffs[3], + &ccorr->cmdq_reg, ccorr->regs, DISP_CCORR_COEF_1); + mtk_ddp_write(cmdq_pkt, coeffs[4] << 16 | coeffs[5], + &ccorr->cmdq_reg, ccorr->regs, DISP_CCORR_COEF_2); + mtk_ddp_write(cmdq_pkt, coeffs[6] << 16 | coeffs[7], + &ccorr->cmdq_reg, ccorr->regs, DISP_CCORR_COEF_3); + mtk_ddp_write(cmdq_pkt, coeffs[8] << 16, + &ccorr->cmdq_reg, ccorr->regs, DISP_CCORR_COEF_4); +} + +static int mtk_disp_ccorr_bind(struct device *dev, struct device *master, + void *data) +{ + return 0; +} + +static void mtk_disp_ccorr_unbind(struct device *dev, struct device *master, + void *data) +{ +} + +static const struct component_ops mtk_disp_ccorr_component_ops = { + .bind = mtk_disp_ccorr_bind, + .unbind = mtk_disp_ccorr_unbind, +}; + +static int mtk_disp_ccorr_probe(struct platform_device *pdev) +{ + struct device *dev = &pdev->dev; + struct mtk_disp_ccorr *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 ccorr 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 ccorr\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_ccorr_component_ops); + if (ret) + dev_err(dev, "Failed to add component: %d\n", ret); + + return ret; +} + +static int mtk_disp_ccorr_remove(struct platform_device *pdev) +{ + component_del(&pdev->dev, &mtk_disp_ccorr_component_ops); + + return 0; +} + +static const struct of_device_id mtk_disp_ccorr_driver_dt_match[] = { + { .compatible = "mediatek,mt8183-disp-ccorr"}, + {}, +}; +MODULE_DEVICE_TABLE(of, mtk_disp_ccorr_driver_dt_match); + +struct platform_driver mtk_disp_ccorr_driver = { + .probe = mtk_disp_ccorr_probe, + .remove = mtk_disp_ccorr_remove, + .driver = { + .name = "mediatek-disp-ccorr", + .owner = THIS_MODULE, + .of_match_table = mtk_disp_ccorr_driver_dt_match, + }, +}; diff --git a/drivers/gpu/drm/mediatek/mtk_disp_drv.h b/drivers/gpu/drm/mediatek/mtk_disp_drv.h index cdb0383f99061..cafd9df2d63bb 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"
+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); +void mtk_ccorr_config(struct device *dev, unsigned int w, + unsigned int h, unsigned int vrefresh, + unsigned int bpc, struct cmdq_pkt *cmdq_pkt); +void mtk_ccorr_start(struct device *dev); +void mtk_ccorr_stop(struct device *dev); + void mtk_color_bypass_shadow(struct device *dev); int mtk_color_clk_enable(struct device *dev); void mtk_color_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 7f5614a6faab8..445ea805d43f3 100644 --- a/drivers/gpu/drm/mediatek/mtk_drm_ddp_comp.c +++ b/drivers/gpu/drm/mediatek/mtk_drm_ddp_comp.c @@ -35,20 +35,6 @@ #define DISP_AAL_EN 0x0000 #define DISP_AAL_SIZE 0x0030
-#define DISP_CCORR_EN 0x0000 -#define CCORR_EN BIT(0) -#define DISP_CCORR_CFG 0x0020 -#define CCORR_RELAY_MODE BIT(0) -#define CCORR_ENGINE_EN BIT(1) -#define CCORR_GAMMA_OFF BIT(2) -#define CCORR_WGAMUT_SRC_CLIP BIT(3) -#define DISP_CCORR_SIZE 0x0030 -#define DISP_CCORR_COEF_0 0x0080 -#define DISP_CCORR_COEF_1 0x0084 -#define DISP_CCORR_COEF_2 0x0088 -#define DISP_CCORR_COEF_3 0x008C -#define DISP_CCORR_COEF_4 0x0090 - #define DISP_DITHER_EN 0x0000 #define DITHER_EN BIT(0) #define DISP_DITHER_CFG 0x0020 @@ -266,82 +252,6 @@ static void mtk_aal_stop(struct device *dev) writel_relaxed(0x0, priv->regs + DISP_AAL_EN); }
-static void mtk_ccorr_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, h << 16 | w, &priv->cmdq_reg, priv->regs, DISP_CCORR_SIZE); - mtk_ddp_write(cmdq_pkt, CCORR_ENGINE_EN, &priv->cmdq_reg, priv->regs, DISP_CCORR_CFG); -} - -static void mtk_ccorr_start(struct device *dev) -{ - struct mtk_ddp_comp_dev *priv = dev_get_drvdata(dev); - - writel(CCORR_EN, priv->regs + DISP_CCORR_EN); -} - -static void mtk_ccorr_stop(struct device *dev) -{ - struct mtk_ddp_comp_dev *priv = dev_get_drvdata(dev); - - writel_relaxed(0x0, priv->regs + DISP_CCORR_EN); -} - -/* Converts a DRM S31.32 value to the HW S1.10 format. */ -static u16 mtk_ctm_s31_32_to_s1_10(u64 in) -{ - u16 r; - - /* Sign bit. */ - r = in & BIT_ULL(63) ? BIT(11) : 0; - - if ((in & GENMASK_ULL(62, 33)) > 0) { - /* identity value 0x100000000 -> 0x400, */ - /* if bigger this, set it to max 0x7ff. */ - r |= GENMASK(10, 0); - } else { - /* take the 11 most important bits. */ - r |= (in >> 22) & GENMASK(10, 0); - } - - return r; -} - -static void mtk_ccorr_ctm_set(struct device *dev, - struct drm_crtc_state *state) -{ - struct mtk_ddp_comp_dev *priv = dev_get_drvdata(dev); - struct drm_property_blob *blob = state->ctm; - struct drm_color_ctm *ctm; - const u64 *input; - uint16_t coeffs[9] = { 0 }; - int i; - struct cmdq_pkt *cmdq_pkt = NULL; - - if (!blob) - return; - - ctm = (struct drm_color_ctm *)blob->data; - input = ctm->matrix; - - for (i = 0; i < ARRAY_SIZE(coeffs); i++) - coeffs[i] = mtk_ctm_s31_32_to_s1_10(input[i]); - - mtk_ddp_write(cmdq_pkt, coeffs[0] << 16 | coeffs[1], - &priv->cmdq_reg, priv->regs, DISP_CCORR_COEF_0); - mtk_ddp_write(cmdq_pkt, coeffs[2] << 16 | coeffs[3], - &priv->cmdq_reg, priv->regs, DISP_CCORR_COEF_1); - mtk_ddp_write(cmdq_pkt, coeffs[4] << 16 | coeffs[5], - &priv->cmdq_reg, priv->regs, DISP_CCORR_COEF_2); - mtk_ddp_write(cmdq_pkt, coeffs[6] << 16 | coeffs[7], - &priv->cmdq_reg, priv->regs, DISP_CCORR_COEF_3); - mtk_ddp_write(cmdq_pkt, coeffs[8] << 16, - &priv->cmdq_reg, priv->regs, DISP_CCORR_COEF_4); -} - 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) @@ -380,8 +290,8 @@ static const struct mtk_ddp_comp_funcs ddp_aal = { };
static const struct mtk_ddp_comp_funcs ddp_ccorr = { - .clk_enable = mtk_ddp_clk_enable, - .clk_disable = mtk_ddp_clk_disable, + .clk_enable = mtk_ccorr_clk_enable, + .clk_disable = mtk_ccorr_clk_disable, .config = mtk_ccorr_config, .start = mtk_ccorr_start, .stop = mtk_ccorr_stop, @@ -642,6 +552,7 @@ int mtk_ddp_comp_init(struct device_node *node, struct mtk_ddp_comp *comp, }
if (type == MTK_DISP_BLS || + type == MTK_DISP_CCORR || type == MTK_DISP_COLOR || type == MTK_DISP_GAMMA || type == MTK_DPI || diff --git a/drivers/gpu/drm/mediatek/mtk_drm_drv.c b/drivers/gpu/drm/mediatek/mtk_drm_drv.c index 486e73e675ad5..b013d56d27773 100644 --- a/drivers/gpu/drm/mediatek/mtk_drm_drv.c +++ b/drivers/gpu/drm/mediatek/mtk_drm_drv.c @@ -531,11 +531,12 @@ 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 - * separate component platform drivers and initialize their own + * Currently only the 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_COLOR || + if (comp_type == MTK_DISP_CCORR || + comp_type == MTK_DISP_COLOR || comp_type == MTK_DISP_GAMMA || comp_type == MTK_DISP_OVL || comp_type == MTK_DISP_OVL_2L || @@ -634,6 +635,7 @@ static struct platform_driver mtk_drm_platform_driver = { };
static struct platform_driver * const mtk_drm_drivers[] = { + &mtk_disp_ccorr_driver, &mtk_disp_color_driver, &mtk_disp_gamma_driver, &mtk_disp_ovl_driver, diff --git a/drivers/gpu/drm/mediatek/mtk_drm_drv.h b/drivers/gpu/drm/mediatek/mtk_drm_drv.h index 0e54e3d51014a..637f5669e8954 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_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;