diff options
19 files changed, 1423 insertions, 186 deletions
diff --git a/Documentation/devicetree/bindings/display/mediatek/mediatek,dpi.yaml b/Documentation/devicetree/bindings/display/mediatek/mediatek,dpi.yaml index 77ee1b923991..5bb23e97cf33 100644 --- a/Documentation/devicetree/bindings/display/mediatek/mediatek,dpi.yaml +++ b/Documentation/devicetree/bindings/display/mediatek/mediatek,dpi.yaml @@ -4,16 +4,16 @@ $id: http://devicetree.org/schemas/display/mediatek/mediatek,dpi.yaml# $schema: http://devicetree.org/meta-schemas/core.yaml# -title: mediatek DPI Controller Device Tree Bindings +title: MediaTek DPI and DP_INTF Controller maintainers: - CK Hu <ck.hu@mediatek.com> - Jitao shi <jitao.shi@mediatek.com> description: | - The Mediatek DPI function block is a sink of the display subsystem and - provides 8-bit RGB/YUV444 or 8/10/10-bit YUV422 pixel data on a parallel - output bus. + The MediaTek DPI and DP_INTF function blocks are a sink of the display + subsystem and provides 8-bit RGB/YUV444 or 8/10/10-bit YUV422 pixel data on a + parallel output bus. properties: compatible: @@ -24,6 +24,7 @@ properties: - mediatek,mt8183-dpi - mediatek,mt8186-dpi - mediatek,mt8192-dpi + - mediatek,mt8195-dp-intf reg: maxItems: 1 @@ -55,7 +56,7 @@ properties: $ref: /schemas/graph.yaml#/properties/port description: Output port node. This port should be connected to the input port of an - attached HDMI or LVDS encoder chip. + attached HDMI, LVDS or DisplayPort encoder chip. required: - compatible diff --git a/Documentation/devicetree/bindings/display/mediatek/mediatek,dsi.txt b/Documentation/devicetree/bindings/display/mediatek/mediatek,dsi.txt deleted file mode 100644 index 36b01458f45c..000000000000 --- a/Documentation/devicetree/bindings/display/mediatek/mediatek,dsi.txt +++ /dev/null @@ -1,62 +0,0 @@ -Mediatek DSI Device -=================== - -The Mediatek DSI function block is a sink of the display subsystem and can -drive up to 4-lane MIPI DSI output. Two DSIs can be synchronized for dual- -channel output. - -Required properties: -- compatible: "mediatek,<chip>-dsi" -- the supported chips are mt2701, mt7623, mt8167, mt8173 and mt8183. -- reg: Physical base address and length of the controller's registers -- interrupts: The interrupt signal from the function block. -- clocks: device clocks - See Documentation/devicetree/bindings/clock/clock-bindings.txt for details. -- clock-names: must contain "engine", "digital", and "hs" -- phys: phandle link to the MIPI D-PHY controller. -- phy-names: must contain "dphy" -- port: Output port node with endpoint definitions as described in - Documentation/devicetree/bindings/graph.txt. This port should be connected - to the input port of an attached DSI panel or DSI-to-eDP encoder chip. - -Optional properties: -- resets: list of phandle + reset specifier pair, as described in [1]. - -[1] Documentation/devicetree/bindings/reset/reset.txt - -MIPI TX Configuration Module -============================ - -See phy/mediatek,dsi-phy.yaml - -Example: - -mipi_tx0: mipi-dphy@10215000 { - compatible = "mediatek,mt8173-mipi-tx"; - reg = <0 0x10215000 0 0x1000>; - clocks = <&clk26m>; - clock-output-names = "mipi_tx0_pll"; - #clock-cells = <0>; - #phy-cells = <0>; - drive-strength-microamp = <4600>; - nvmem-cells= <&mipi_tx_calibration>; - nvmem-cell-names = "calibration-data"; -}; - -dsi0: dsi@1401b000 { - compatible = "mediatek,mt8173-dsi"; - reg = <0 0x1401b000 0 0x1000>; - interrupts = <GIC_SPI 192 IRQ_TYPE_LEVEL_LOW>; - clocks = <&mmsys MM_DSI0_ENGINE>, <&mmsys MM_DSI0_DIGITAL>, - <&mipi_tx0>; - clock-names = "engine", "digital", "hs"; - resets = <&mmsys MT8173_MMSYS_SW0_RST_B_DISP_DSI0>; - phys = <&mipi_tx0>; - phy-names = "dphy"; - - port { - dsi0_out: endpoint { - remote-endpoint = <&panel_in>; - }; - }; -}; diff --git a/Documentation/devicetree/bindings/display/mediatek/mediatek,dsi.yaml b/Documentation/devicetree/bindings/display/mediatek/mediatek,dsi.yaml new file mode 100644 index 000000000000..b18d6a57c6e1 --- /dev/null +++ b/Documentation/devicetree/bindings/display/mediatek/mediatek,dsi.yaml @@ -0,0 +1,116 @@ +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) +%YAML 1.2 +--- +$id: http://devicetree.org/schemas/display/mediatek/mediatek,dsi.yaml# +$schema: http://devicetree.org/meta-schemas/core.yaml# + +title: MediaTek DSI Controller Device Tree Bindings + +maintainers: + - Chun-Kuang Hu <chunkuang.hu@kernel.org> + - Philipp Zabel <p.zabel@pengutronix.de> + - Jitao Shi <jitao.shi@mediatek.com> + - Xinlei Lee <xinlei.lee@mediatek.com> + +description: | + The MediaTek DSI function block is a sink of the display subsystem and can + drive up to 4-lane MIPI DSI output. Two DSIs can be synchronized for dual- + channel output. + +allOf: + - $ref: /schemas/display/dsi-controller.yaml# + +properties: + compatible: + enum: + - mediatek,mt2701-dsi + - mediatek,mt7623-dsi + - mediatek,mt8167-dsi + - mediatek,mt8173-dsi + - mediatek,mt8183-dsi + - mediatek,mt8186-dsi + + reg: + maxItems: 1 + + interrupts: + maxItems: 1 + + power-domains: + maxItems: 1 + + clocks: + items: + - description: Engine Clock + - description: Digital Clock + - description: HS Clock + + clock-names: + items: + - const: engine + - const: digital + - const: hs + + resets: + maxItems: 1 + + phys: + maxItems: 1 + + phy-names: + items: + - const: dphy + + port: + $ref: /schemas/graph.yaml#/properties/port + description: + Output port node. This port should be connected to the input + port of an attached DSI panel or DSI-to-eDP encoder chip. + +required: + - compatible + - reg + - interrupts + - power-domains + - clocks + - clock-names + - phys + - phy-names + - port + +unevaluatedProperties: false + +examples: + - | + #include <dt-bindings/clock/mt8183-clk.h> + #include <dt-bindings/interrupt-controller/arm-gic.h> + #include <dt-bindings/interrupt-controller/irq.h> + #include <dt-bindings/power/mt8183-power.h> + #include <dt-bindings/phy/phy.h> + #include <dt-bindings/reset/mt8183-resets.h> + + soc { + #address-cells = <2>; + #size-cells = <2>; + + dsi0: dsi@14014000 { + compatible = "mediatek,mt8183-dsi"; + reg = <0 0x14014000 0 0x1000>; + interrupts = <GIC_SPI 236 IRQ_TYPE_LEVEL_LOW>; + power-domains = <&spm MT8183_POWER_DOMAIN_DISP>; + clocks = <&mmsys CLK_MM_DSI0_MM>, + <&mmsys CLK_MM_DSI0_IF>, + <&mipi_tx0>; + clock-names = "engine", "digital", "hs"; + resets = <&mmsys MT8183_MMSYS_SW0_RST_B_DISP_DSI0>; + phys = <&mipi_tx0>; + phy-names = "dphy"; + port { + dsi0_out: endpoint { + remote-endpoint = <&panel_in>; + }; + }; + }; + }; + +... diff --git a/Documentation/devicetree/bindings/display/mediatek/mediatek,mdp-rdma.yaml b/Documentation/devicetree/bindings/display/mediatek/mediatek,mdp-rdma.yaml new file mode 100644 index 000000000000..dd12e2ff685c --- /dev/null +++ b/Documentation/devicetree/bindings/display/mediatek/mediatek,mdp-rdma.yaml @@ -0,0 +1,88 @@ +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) +%YAML 1.2 +--- +$id: http://devicetree.org/schemas/display/mediatek/mediatek,mdp-rdma.yaml# +$schema: http://devicetree.org/meta-schemas/core.yaml# + +title: MediaTek MDP RDMA + +maintainers: + - Chun-Kuang Hu <chunkuang.hu@kernel.org> + - Philipp Zabel <p.zabel@pengutronix.de> + +description: + The MediaTek MDP RDMA stands for Read Direct Memory Access. + It provides real time data to the back-end panel driver, such as DSI, + DPI and DP_INTF. + It contains one line buffer to store the sufficient pixel data. + RDMA device node must be siblings to the central MMSYS_CONFIG node. + For a description of the MMSYS_CONFIG binding, see + Documentation/devicetree/bindings/arm/mediatek/mediatek,mmsys.yaml for details. + +properties: + compatible: + const: mediatek,mt8195-vdo1-rdma + + reg: + maxItems: 1 + + interrupts: + maxItems: 1 + + power-domains: + maxItems: 1 + + clocks: + items: + - description: RDMA Clock + + iommus: + maxItems: 1 + + mediatek,gce-client-reg: + description: + The register of display function block to be set by gce. There are 4 arguments, + such as gce node, subsys id, offset and register size. The subsys id that is + mapping to the register of display function blocks is defined in the gce header + include/dt-bindings/gce/<chip>-gce.h of each chips. + $ref: /schemas/types.yaml#/definitions/phandle-array + items: + items: + - description: phandle of GCE + - description: GCE subsys id + - description: register offset + - description: register size + maxItems: 1 + +required: + - compatible + - reg + - power-domains + - clocks + - iommus + - mediatek,gce-client-reg + +additionalProperties: false + +examples: + - | + #include <dt-bindings/interrupt-controller/arm-gic.h> + #include <dt-bindings/clock/mt8195-clk.h> + #include <dt-bindings/power/mt8195-power.h> + #include <dt-bindings/gce/mt8195-gce.h> + #include <dt-bindings/memory/mt8195-memory-port.h> + + soc { + #address-cells = <2>; + #size-cells = <2>; + + rdma@1c104000 { + compatible = "mediatek,mt8195-vdo1-rdma"; + reg = <0 0x1c104000 0 0x1000>; + interrupts = <GIC_SPI 495 IRQ_TYPE_LEVEL_HIGH 0>; + clocks = <&vdosys1 CLK_VDO1_MDP_RDMA0>; + power-domains = <&spm MT8195_POWER_DOMAIN_VDOSYS1>; + iommus = <&iommu_vdo M4U_PORT_L2_MDP_RDMA0>; + mediatek,gce-client-reg = <&gce0 SUBSYS_1c10XXXX 0x4000 0x1000>; + }; + }; diff --git a/drivers/gpu/drm/mediatek/Makefile b/drivers/gpu/drm/mediatek/Makefile index 29098d7c8307..6e604a933ed0 100644 --- a/drivers/gpu/drm/mediatek/Makefile +++ b/drivers/gpu/drm/mediatek/Makefile @@ -4,6 +4,7 @@ mediatek-drm-y := mtk_disp_aal.o \ mtk_disp_ccorr.o \ mtk_disp_color.o \ mtk_disp_gamma.o \ + mtk_disp_merge.o \ mtk_disp_ovl.o \ mtk_disp_rdma.o \ mtk_drm_crtc.o \ @@ -12,7 +13,8 @@ mediatek-drm-y := mtk_disp_aal.o \ mtk_drm_gem.o \ mtk_drm_plane.o \ mtk_dsi.o \ - mtk_dpi.o + mtk_dpi.o \ + mtk_mdp_rdma.o obj-$(CONFIG_DRM_MEDIATEK) += mediatek-drm.o diff --git a/drivers/gpu/drm/mediatek/mtk_disp_drv.h b/drivers/gpu/drm/mediatek/mtk_disp_drv.h index 763be99e8d33..33e61a136bbc 100644 --- a/drivers/gpu/drm/mediatek/mtk_disp_drv.h +++ b/drivers/gpu/drm/mediatek/mtk_disp_drv.h @@ -8,6 +8,7 @@ #include <linux/soc/mediatek/mtk-cmdq.h> #include "mtk_drm_plane.h" +#include "mtk_mdp_rdma.h" int mtk_aal_clk_enable(struct device *dev); void mtk_aal_clk_disable(struct device *dev); @@ -55,6 +56,19 @@ void mtk_gamma_set_common(void __iomem *regs, struct drm_crtc_state *state, bool void mtk_gamma_start(struct device *dev); void mtk_gamma_stop(struct device *dev); +int mtk_merge_clk_enable(struct device *dev); +void mtk_merge_clk_disable(struct device *dev); +void mtk_merge_config(struct device *dev, unsigned int width, + unsigned int height, unsigned int vrefresh, + unsigned int bpc, struct cmdq_pkt *cmdq_pkt); +void mtk_merge_start(struct device *dev); +void mtk_merge_stop(struct device *dev); +void mtk_merge_advance_config(struct device *dev, unsigned int l_w, unsigned int r_w, + unsigned int h, unsigned int vrefresh, unsigned int bpc, + struct cmdq_pkt *cmdq_pkt); +void mtk_merge_start_cmdq(struct device *dev, struct cmdq_pkt *cmdq_pkt); +void mtk_merge_stop_cmdq(struct device *dev, struct cmdq_pkt *cmdq_pkt); + 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); @@ -102,4 +116,10 @@ void mtk_rdma_unregister_vblank_cb(struct device *dev); void mtk_rdma_enable_vblank(struct device *dev); void mtk_rdma_disable_vblank(struct device *dev); +int mtk_mdp_rdma_clk_enable(struct device *dev); +void mtk_mdp_rdma_clk_disable(struct device *dev); +void mtk_mdp_rdma_start(struct device *dev, struct cmdq_pkt *cmdq_pkt); +void mtk_mdp_rdma_stop(struct device *dev, struct cmdq_pkt *cmdq_pkt); +void mtk_mdp_rdma_config(struct device *dev, struct mtk_mdp_rdma_cfg *cfg, + struct cmdq_pkt *cmdq_pkt); #endif diff --git a/drivers/gpu/drm/mediatek/mtk_disp_merge.c b/drivers/gpu/drm/mediatek/mtk_disp_merge.c new file mode 100644 index 000000000000..6428b6203ffe --- /dev/null +++ b/drivers/gpu/drm/mediatek/mtk_disp_merge.c @@ -0,0 +1,320 @@ +// SPDX-License-Identifier: GPL-2.0 +/* + * Copyright (c) 2021 MediaTek Inc. + */ + +#include <linux/clk.h> +#include <linux/component.h> +#include <linux/of_device.h> +#include <linux/of_irq.h> +#include <linux/platform_device.h> +#include <linux/reset.h> +#include <linux/soc/mediatek/mtk-cmdq.h> + +#include "mtk_drm_ddp_comp.h" +#include "mtk_drm_drv.h" +#include "mtk_disp_drv.h" + +#define DISP_REG_MERGE_CTRL 0x000 +#define MERGE_EN 1 +#define DISP_REG_MERGE_CFG_0 0x010 +#define DISP_REG_MERGE_CFG_1 0x014 +#define DISP_REG_MERGE_CFG_4 0x020 +#define DISP_REG_MERGE_CFG_10 0x038 +/* no swap */ +#define SWAP_MODE 0 +#define FLD_SWAP_MODE GENMASK(4, 0) +#define DISP_REG_MERGE_CFG_12 0x040 +#define CFG_10_10_1PI_2PO_BUF_MODE 6 +#define CFG_10_10_2PI_2PO_BUF_MODE 8 +#define CFG_11_10_1PI_2PO_MERGE 18 +#define FLD_CFG_MERGE_MODE GENMASK(4, 0) +#define DISP_REG_MERGE_CFG_24 0x070 +#define DISP_REG_MERGE_CFG_25 0x074 +#define DISP_REG_MERGE_CFG_26 0x078 +#define DISP_REG_MERGE_CFG_27 0x07c +#define DISP_REG_MERGE_CFG_36 0x0a0 +#define ULTRA_EN BIT(0) +#define PREULTRA_EN BIT(4) +#define DISP_REG_MERGE_CFG_37 0x0a4 +/* 0: Off, 1: SRAM0, 2: SRAM1, 3: SRAM0 + SRAM1 */ +#define BUFFER_MODE 3 +#define FLD_BUFFER_MODE GENMASK(1, 0) +/* + * For the ultra and preultra settings, 6us ~ 9us is experience value + * and the maximum frequency of mmsys clock is 594MHz. + */ +#define DISP_REG_MERGE_CFG_40 0x0b0 +/* 6 us, 594M pixel/sec */ +#define ULTRA_TH_LOW (6 * 594) +/* 8 us, 594M pixel/sec */ +#define ULTRA_TH_HIGH (8 * 594) +#define FLD_ULTRA_TH_LOW GENMASK(15, 0) +#define FLD_ULTRA_TH_HIGH GENMASK(31, 16) +#define DISP_REG_MERGE_CFG_41 0x0b4 +/* 8 us, 594M pixel/sec */ +#define PREULTRA_TH_LOW (8 * 594) +/* 9 us, 594M pixel/sec */ +#define PREULTRA_TH_HIGH (9 * 594) +#define FLD_PREULTRA_TH_LOW GENMASK(15, 0) +#define FLD_PREULTRA_TH_HIGH GENMASK(31, 16) + +#define DISP_REG_MERGE_MUTE_0 0xf00 + +struct mtk_disp_merge { + void __iomem *regs; + struct clk *clk; + struct clk *async_clk; + struct cmdq_client_reg cmdq_reg; + bool fifo_en; + bool mute_support; + struct reset_control *reset_ctl; +}; + +void mtk_merge_start(struct device *dev) +{ + mtk_merge_start_cmdq(dev, NULL); +} + +void mtk_merge_stop(struct device *dev) +{ + mtk_merge_stop_cmdq(dev, NULL); +} + +void mtk_merge_start_cmdq(struct device *dev, struct cmdq_pkt *cmdq_pkt) +{ + struct mtk_disp_merge *priv = dev_get_drvdata(dev); + + if (priv->mute_support) + mtk_ddp_write(cmdq_pkt, 0x0, &priv->cmdq_reg, priv->regs, + DISP_REG_MERGE_MUTE_0); + + mtk_ddp_write(cmdq_pkt, 1, &priv->cmdq_reg, priv->regs, + DISP_REG_MERGE_CTRL); +} + +void mtk_merge_stop_cmdq(struct device *dev, struct cmdq_pkt *cmdq_pkt) +{ + struct mtk_disp_merge *priv = dev_get_drvdata(dev); + + if (priv->mute_support) + mtk_ddp_write(cmdq_pkt, 0x1, &priv->cmdq_reg, priv->regs, + DISP_REG_MERGE_MUTE_0); + + mtk_ddp_write(cmdq_pkt, 0, &priv->cmdq_reg, priv->regs, + DISP_REG_MERGE_CTRL); + + if (priv->async_clk) + reset_control_reset(priv->reset_ctl); +} + +static void mtk_merge_fifo_setting(struct mtk_disp_merge *priv, + struct cmdq_pkt *cmdq_pkt) +{ + mtk_ddp_write(cmdq_pkt, ULTRA_EN | PREULTRA_EN, + &priv->cmdq_reg, priv->regs, DISP_REG_MERGE_CFG_36); + + mtk_ddp_write_mask(cmdq_pkt, BUFFER_MODE, + &priv->cmdq_reg, priv->regs, DISP_REG_MERGE_CFG_37, + FLD_BUFFER_MODE); + + mtk_ddp_write_mask(cmdq_pkt, ULTRA_TH_LOW | ULTRA_TH_HIGH << 16, + &priv->cmdq_reg, priv->regs, DISP_REG_MERGE_CFG_40, + FLD_ULTRA_TH_LOW | FLD_ULTRA_TH_HIGH); + + mtk_ddp_write_mask(cmdq_pkt, PREULTRA_TH_LOW | PREULTRA_TH_HIGH << 16, + &priv->cmdq_reg, priv->regs, DISP_REG_MERGE_CFG_41, + FLD_PREULTRA_TH_LOW | FLD_PREULTRA_TH_HIGH); +} + +void mtk_merge_config(struct device *dev, unsigned int w, + unsigned int h, unsigned int vrefresh, + unsigned int bpc, struct cmdq_pkt *cmdq_pkt) +{ + mtk_merge_advance_config(dev, w, 0, h, vrefresh, bpc, cmdq_pkt); +} + +void mtk_merge_advance_config(struct device *dev, unsigned int l_w, unsigned int r_w, + unsigned int h, unsigned int vrefresh, unsigned int bpc, + struct cmdq_pkt *cmdq_pkt) +{ + struct mtk_disp_merge *priv = dev_get_drvdata(dev); + unsigned int mode = CFG_10_10_1PI_2PO_BUF_MODE; + + if (!h || !l_w) { + dev_err(dev, "%s: input width(%d) or height(%d) is invalid\n", __func__, l_w, h); + return; + } + + if (priv->fifo_en) { + mtk_merge_fifo_setting(priv, cmdq_pkt); + mode = CFG_10_10_2PI_2PO_BUF_MODE; + } + + if (r_w) + mode = CFG_11_10_1PI_2PO_MERGE; + + mtk_ddp_write(cmdq_pkt, h << 16 | l_w, &priv->cmdq_reg, priv->regs, + DISP_REG_MERGE_CFG_0); + mtk_ddp_write(cmdq_pkt, h << 16 | r_w, &priv->cmdq_reg, priv->regs, + DISP_REG_MERGE_CFG_1); + mtk_ddp_write(cmdq_pkt, h << 16 | (l_w + r_w), &priv->cmdq_reg, priv->regs, + DISP_REG_MERGE_CFG_4); + /* + * DISP_REG_MERGE_CFG_24 is merge SRAM0 w/h + * DISP_REG_MERGE_CFG_25 is merge SRAM1 w/h. + * If r_w > 0, the merge is in merge mode (input0 and input1 merge together), + * the input0 goes to SRAM0, and input1 goes to SRAM1. + * If r_w = 0, the merge is in buffer mode, the input goes through SRAM0 and + * then to SRAM1. Both SRAM0 and SRAM1 are set to the same size. + */ + mtk_ddp_write(cmdq_pkt, h << 16 | l_w, &priv->cmdq_reg, priv->regs, + DISP_REG_MERGE_CFG_24); + if (r_w) + mtk_ddp_write(cmdq_pkt, h << 16 | r_w, &priv->cmdq_reg, priv->regs, + DISP_REG_MERGE_CFG_25); + else + mtk_ddp_write(cmdq_pkt, h << 16 | l_w, &priv->cmdq_reg, priv->regs, + DISP_REG_MERGE_CFG_25); + + /* + * DISP_REG_MERGE_CFG_26 and DISP_REG_MERGE_CFG_27 is only used in LR merge. + * Only take effect when the merge is setting to merge mode. + */ + mtk_ddp_write(cmdq_pkt, h << 16 | l_w, &priv->cmdq_reg, priv->regs, + DISP_REG_MERGE_CFG_26); + mtk_ddp_write(cmdq_pkt, h << 16 | r_w, &priv->cmdq_reg, priv->regs, + DISP_REG_MERGE_CFG_27); + + mtk_ddp_write_mask(cmdq_pkt, SWAP_MODE, &priv->cmdq_reg, priv->regs, + DISP_REG_MERGE_CFG_10, FLD_SWAP_MODE); + mtk_ddp_write_mask(cmdq_pkt, mode, &priv->cmdq_reg, priv->regs, + DISP_REG_MERGE_CFG_12, FLD_CFG_MERGE_MODE); +} + +int mtk_merge_clk_enable(struct device *dev) +{ + int ret = 0; + struct mtk_disp_merge *priv = dev_get_drvdata(dev); + + ret = clk_prepare_enable(priv->clk); + if (ret) { + dev_err(dev, "merge clk prepare enable failed\n"); + return ret; + } + + ret = clk_prepare_enable(priv->async_clk); + if (ret) { + /* should clean up the state of priv->clk */ + clk_disable_unprepare(priv->clk); + + dev_err(dev, "async clk prepare enable failed\n"); + return ret; + } + + return ret; +} + +void mtk_merge_clk_disable(struct device *dev) +{ + struct mtk_disp_merge *priv = dev_get_drvdata(dev); + + clk_disable_unprepare(priv->async_clk); + clk_disable_unprepare(priv->clk); +} + +static int mtk_disp_merge_bind(struct device *dev, struct device *master, + void *data) +{ + return 0; +} + +static void mtk_disp_merge_unbind(struct device *dev, struct device *master, + void *data) +{ +} + +static const struct component_ops mtk_disp_merge_component_ops = { + .bind = mtk_disp_merge_bind, + .unbind = mtk_disp_merge_unbind, +}; + +static int mtk_disp_merge_probe(struct platform_device *pdev) +{ + struct device *dev = &pdev->dev; + struct resource *res; + struct mtk_disp_merge *priv; + int ret; + + priv = devm_kzalloc(dev, sizeof(*priv), GFP_KERNEL); + if (!priv) + return -ENOMEM; + + 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 merge\n"); + return PTR_ERR(priv->regs); + } + + priv->clk = devm_clk_get(dev, NULL); + if (IS_ERR(priv->clk)) { + dev_err(dev, "failed to get merge clk\n"); + return PTR_ERR(priv->clk); + } + + priv->async_clk = devm_clk_get_optional(dev, "merge_async"); + if (IS_ERR(priv->async_clk)) { + dev_err(dev, "failed to get merge async clock\n"); + return PTR_ERR(priv->async_clk); + } + + if (priv->async_clk) { + priv->reset_ctl = devm_reset_control_get_optional_exclusive(dev, NULL); + if (IS_ERR(priv->reset_ctl)) + return PTR_ERR(priv->reset_ctl); + } + +#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->fifo_en = of_property_read_bool(dev->of_node, + "mediatek,merge-fifo-en"); + + priv->mute_support = of_property_read_bool(dev->of_node, + "mediatek,merge-mute"); + platform_set_drvdata(pdev, priv); + + ret = component_add(dev, &mtk_disp_merge_component_ops); + if (ret != 0) + dev_err(dev, "Failed to add component: %d\n", ret); + + return ret; +} + +static int mtk_disp_merge_remove(struct platform_device *pdev) +{ + component_del(&pdev->dev, &mtk_disp_merge_component_ops); + + return 0; +} + +static const struct of_device_id mtk_disp_merge_driver_dt_match[] = { + { .compatible = "mediatek,mt8195-disp-merge", }, + {}, +}; + +MODULE_DEVICE_TABLE(of, mtk_disp_merge_driver_dt_match); + +struct platform_driver mtk_disp_merge_driver = { + .probe = mtk_disp_merge_probe, + .remove = mtk_disp_merge_remove, + .driver = { + .name = "mediatek-disp-merge", + .owner = THIS_MODULE, + .of_match_table = mtk_disp_merge_driver_dt_match, + }, +}; diff --git a/drivers/gpu/drm/mediatek/mtk_disp_rdma.c b/drivers/gpu/drm/mediatek/mtk_disp_rdma.c index 2cb90466798c..0ec2e4049e07 100644 --- a/drivers/gpu/drm/mediatek/mtk_disp_rdma.c +++ b/drivers/gpu/drm/mediatek/mtk_disp_rdma.c @@ -370,8 +370,8 @@ static const struct mtk_disp_rdma_data mt8183_rdma_driver_data = { .fifo_size = 5 * SZ_1K, }; -static const struct mtk_disp_rdma_data mt8192_rdma_driver_data = { - .fifo_size = 5 * SZ_1K, +static const struct mtk_disp_rdma_data mt8195_rdma_driver_data = { + .fifo_size = 1920, }; static const struct of_device_id mtk_disp_rdma_driver_dt_match[] = { @@ -381,8 +381,8 @@ static const struct of_device_id mtk_disp_rdma_driver_dt_match[] = { .data = &mt8173_rdma_driver_data}, { .compatible = "mediatek,mt8183-disp-rdma", .data = &mt8183_rdma_driver_data}, - { .compatible = "mediatek,mt8192-disp-rdma", - .data = &mt8192_rdma_driver_data}, + { .compatible = "mediatek,mt8195-disp-rdma", + .data = &mt8195_rdma_driver_data}, {}, }; MODULE_DEVICE_TABLE(of, mtk_disp_rdma_driver_dt_match); diff --git a/drivers/gpu/drm/mediatek/mtk_dpi.c b/drivers/gpu/drm/mediatek/mtk_dpi.c index 6dafa6116546..630a4e301ef6 100644 --- a/drivers/gpu/drm/mediatek/mtk_dpi.c +++ b/drivers/gpu/drm/mediatek/mtk_dpi.c @@ -23,6 +23,7 @@ #include <drm/drm_bridge.h> #include <drm/drm_bridge_connector.h> #include <drm/drm_crtc.h> +#include <drm/drm_edid.h> #include <drm/drm_of.h> #include <drm/drm_simple_kms_helper.h> @@ -56,12 +57,7 @@ enum mtk_dpi_out_channel_swap { enum mtk_dpi_out_color_format { MTK_DPI_COLOR_FORMAT_RGB, - MTK_DPI_COLOR_FORMAT_RGB_FULL, - MTK_DPI_COLOR_FORMAT_YCBCR_444, - MTK_DPI_COLOR_FORMAT_YCBCR_422, - MTK_DPI_COLOR_FORMAT_XV_YCC, - MTK_DPI_COLOR_FORMAT_YCBCR_444_FULL, - MTK_DPI_COLOR_FORMAT_YCBCR_422_FULL + MTK_DPI_COLOR_FORMAT_YCBCR_422 }; struct mtk_dpi { @@ -119,6 +115,27 @@ struct mtk_dpi_yc_limit { u16 c_bottom; }; +/** + * struct mtk_dpi_conf - Configuration of mediatek dpi. + * @cal_factor: Callback function to calculate factor value. + * @reg_h_fre_con: Register address of frequency control. + * @max_clock_khz: Max clock frequency supported for this SoCs in khz units. + * @edge_sel_en: Enable of edge selection. + * @output_fmts: Array of supported output formats. + * @num_output_fmts: Quantity of supported output formats. + * @is_ck_de_pol: Support CK/DE polarity. + * @swap_input_support: Support input swap function. + * @support_direct_pin: IP supports direct connection to dpi panels. + * @input_2pixel: Input pixel of dp_intf is 2 pixel per round, so enable this + * config to enable this feature. + * @dimension_mask: Mask used for HWIDTH, HPORCH, VSYNC_WIDTH and VSYNC_PORCH + * (no shift). + * @hvsize_mask: Mask of HSIZE and VSIZE mask (no shift). + * @channel_swap_shift: Shift value of channel swap. + * @yuv422_en_bit: Enable bit of yuv422. + * @csc_enable_bit: Enable bit of CSC. + * @pixels_per_iter: Quantity of transferred pixels per iteration. + */ struct mtk_dpi_conf { unsigned int (*cal_factor)(int clock); u32 reg_h_fre_con; @@ -126,6 +143,16 @@ struct mtk_dpi_conf { bool edge_sel_en; const u32 *output_fmts; u32 num_output_fmts; + bool is_ck_de_pol; + bool swap_input_support; + bool support_direct_pin; + bool input_2pixel; + u32 dimension_mask; + u32 hvsize_mask; + u32 channel_swap_shift; + u32 yuv422_en_bit; + u32 csc_enable_bit; + u32 pixels_per_iter; }; static void mtk_dpi_mask(struct mtk_dpi *dpi, u32 offset, u32 val, u32 mask) @@ -154,12 +181,12 @@ static void mtk_dpi_disable(struct mtk_dpi *dpi) static void mtk_dpi_config_hsync(struct mtk_dpi *dpi, struct mtk_dpi_sync_param *sync) { - mtk_dpi_mask(dpi, DPI_TGEN_HWIDTH, - sync->sync_width << HPW, HPW_MASK); - mtk_dpi_mask(dpi, DPI_TGEN_HPORCH, - sync->back_porch << HBP, HBP_MASK); + mtk_dpi_mask(dpi, DPI_TGEN_HWIDTH, sync->sync_width << HPW, + dpi->conf->dimension_mask << HPW); + mtk_dpi_mask(dpi, DPI_TGEN_HPORCH, sync->back_porch << HBP, + dpi->conf->dimension_mask << HBP); mtk_dpi_mask(dpi, DPI_TGEN_HPORCH, sync->front_porch << HFP, - HFP_MASK); + dpi->conf->dimension_mask << HFP); } static void mtk_dpi_config_vsync(struct mtk_dpi *dpi, @@ -167,17 +194,17 @@ static void mtk_dpi_config_vsync(struct mtk_dpi *dpi, u32 width_addr, u32 porch_addr) { mtk_dpi_mask(dpi, width_addr, - sync->sync_width << VSYNC_WIDTH_SHIFT, - VSYNC_WIDTH_MASK); - mtk_dpi_mask(dpi, width_addr, sync->shift_half_line << VSYNC_HALF_LINE_SHIFT, VSYNC_HALF_LINE_MASK); + mtk_dpi_mask(dpi, width_addr, + sync->sync_width << VSYNC_WIDTH_SHIFT, + dpi->conf->dimension_mask << VSYNC_WIDTH_SHIFT); mtk_dpi_mask(dpi, porch_addr, sync->back_porch << VSYNC_BACK_PORCH_SHIFT, - VSYNC_BACK_PORCH_MASK); + dpi->conf->dimension_mask << VSYNC_BACK_PORCH_SHIFT); mtk_dpi_mask(dpi, porch_addr, sync->front_porch << VSYNC_FRONT_PORCH_SHIFT, - VSYNC_FRONT_PORCH_MASK); + dpi->conf->dimension_mask << VSYNC_FRONT_PORCH_SHIFT); } static void mtk_dpi_config_vsync_lodd(struct mtk_dpi *dpi, @@ -211,13 +238,20 @@ static void mtk_dpi_config_pol(struct mtk_dpi *dpi, struct mtk_dpi_polarities *dpi_pol) { unsigned int pol; + unsigned int mask; - pol = (dpi_pol->ck_pol == MTK_DPI_POLARITY_RISING ? 0 : CK_POL) | - (dpi_pol->de_pol == MTK_DPI_POLARITY_RISING ? 0 : DE_POL) | - (dpi_pol->hsync_pol == MTK_DPI_POLARITY_RISING ? 0 : HSYNC_POL) | + mask = HSYNC_POL | VSYNC_POL; + pol = (dpi_pol->hsync_pol == MTK_DPI_POLARITY_RISING ? 0 : HSYNC_POL) | (dpi_pol->vsync_pol == MTK_DPI_POLARITY_RISING ? 0 : VSYNC_POL); - mtk_dpi_mask(dpi, DPI_OUTPUT_SETTING, pol, - CK_POL | DE_POL | HSYNC_POL | VSYNC_POL); + if (dpi->conf->is_ck_de_pol) { + mask |= CK_POL | DE_POL; + pol |= (dpi_pol->ck_pol == MTK_DPI_POLARITY_RISING ? + 0 : CK_POL) | + (dpi_pol->de_pol == MTK_DPI_POLARITY_RISING ? + 0 : DE_POL); + } + + mtk_dpi_mask(dpi, DPI_OUTPUT_SETTING, pol, mask); } static void mtk_dpi_config_3d(struct mtk_dpi *dpi, bool en_3d) @@ -232,20 +266,36 @@ static void mtk_dpi_config_interface(struct mtk_dpi *dpi, bool inter) static void mtk_dpi_config_fb_size(struct mtk_dpi *dpi, u32 width, u32 height) { - mtk_dpi_mask(dpi, DPI_SIZE, width << HSIZE, HSIZE_MASK); - mtk_dpi_mask(dpi, DPI_SIZE, height << VSIZE, VSIZE_MASK); + mtk_dpi_mask(dpi, DPI_SIZE, width << HSIZE, + dpi->conf->hvsize_mask << HSIZE); + mtk_dpi_mask(dpi, DPI_SIZE, height << VSIZE, + dpi->conf->hvsize_mask << VSIZE); } -static void mtk_dpi_config_channel_limit(struct mtk_dpi *dpi, - struct mtk_dpi_yc_limit *limit) +static void mtk_dpi_config_channel_limit(struct mtk_dpi *dpi) { - mtk_dpi_mask(dpi, DPI_Y_LIMIT, limit->y_bottom << Y_LIMINT_BOT, + struct mtk_dpi_yc_limit limit; + + if (drm_default_rgb_quant_range(&dpi->mode) == + HDMI_QUANTIZATION_RANGE_LIMITED) { + limit.y_bottom = 0x10; + limit.y_top = 0xfe0; + limit.c_bottom = 0x10; |