diff --git a/Documentation/devicetree/bindings/vendor-prefixes.txt b/Documentation/devicetree/bindings/vendor-prefixes.txt index ac7269f90764da1193f064dad2af7193398b5d8f..2b5648b1ce1d8769d6cc2971e9b773eed06d6260 100644 --- a/Documentation/devicetree/bindings/vendor-prefixes.txt +++ b/Documentation/devicetree/bindings/vendor-prefixes.txt @@ -83,6 +83,7 @@ maxim Maxim Integrated Products mediatek MediaTek Inc. micrel Micrel Inc. microchip Microchip Technology Inc. +mitsubishi Mitsubishi Electric Corporation mosaixtech Mosaix Technologies, Inc. moxa Moxa mpl MPL AG @@ -133,6 +134,7 @@ st STMicroelectronics ste ST-Ericsson stericsson ST-Ericsson synology Synology, Inc. +thine THine Electronics, Inc. ti Texas Instruments tlm Trusted Logic Mobility toradex Toradex AG diff --git a/Documentation/devicetree/bindings/video/adi,adv7123.txt b/Documentation/devicetree/bindings/video/adi,adv7123.txt new file mode 100644 index 0000000000000000000000000000000000000000..a6b2b2b8f3d9e3a6b770f349d7e2f6dff91c68d6 --- /dev/null +++ b/Documentation/devicetree/bindings/video/adi,adv7123.txt @@ -0,0 +1,50 @@ +Analog Device ADV7123 Video DAC +------------------------------- + +The ADV7123 is a digital-to-analog converter that outputs VGA signals from a +parallel video input. + +Required properties: + +- compatible: Should be "adi,adv7123" + +Optional properties: + +- psave-gpios: Power save control GPIO + +Required nodes: + +The ADV7123 has two video ports. Their connections are modeled using the OF +graph bindings specified in Documentation/devicetree/bindings/graph.txt. + +- Video port 0 for DPI input +- Video port 1 for VGA output + + +Example +------- + + adv7123: encoder@0 { + compatible = "adi,adv7123"; + + ports { + #address-cells = <1>; + #size-cells = <0>; + + port@0 { + reg = <0>; + + adv7123_in: endpoint@0 { + remote-endpoint = <&dpi_out>; + }; + }; + + port@1 { + reg = <1>; + + adv7123_out: endpoint@0 { + remote-endpoint = <&vga_connector_in>; + }; + }; + }; + }; diff --git a/Documentation/devicetree/bindings/video/renesas,du.txt b/Documentation/devicetree/bindings/video/renesas,du.txt new file mode 100644 index 0000000000000000000000000000000000000000..5102830f276017135a05289e5c92bd87ae6e9d21 --- /dev/null +++ b/Documentation/devicetree/bindings/video/renesas,du.txt @@ -0,0 +1,84 @@ +* Renesas R-Car Display Unit (DU) + +Required Properties: + + - compatible: must be one of the following. + - "renesas,du-r8a7779" for R8A7779 (R-Car H1) compatible DU + - "renesas,du-r8a7790" for R8A7790 (R-Car H2) compatible DU + - "renesas,du-r8a7791" for R8A7791 (R-Car M2) compatible DU + + - reg: A list of base address and length of each memory resource, one for + each entry in the reg-names property. + - reg-names: Name of the memory resources. The DU requires one memory + resource for the DU core (named "du") and one memory resource for each + LVDS encoder (named "lvds.x" with "x" being the LVDS controller numerical + index). + + - interrupt-parent: phandle of the parent interrupt controller. + - interrupts: Interrupt specifiers for the DU interrupts. + + - clocks: A list of phandles + clock-specifier pairs, one for each entry in + the clock-names property. + - clock-names: Name of the clocks. This property is model-dependent. + - R8A7779 uses a single functional clock. The clock doesn't need to be + named. + - R8A7790 and R8A7791 use one functional clock per channel and one clock + per LVDS encoder. The functional clocks must be named "du.x" with "x" + being the channel numerical index. The LVDS clocks must be named + "lvds.x" with "x" being the LVDS encoder numerical index. + +Required nodes: + +The connections to the DU output video ports are modeled using the OF graph +bindings specified in Documentation/devicetree/bindings/graph.txt. + +The following table lists for each supported model the port number +corresponding to each DU output. + + Port 0 Port1 Port2 +----------------------------------------------------------------------------- + R8A7779 (H1) DPAD 0 DPAD 1 - + R8A7790 (H2) DPAD LVDS 0 LVDS 1 + R8A7791 (M2) DPAD LVDS 0 - + + +Example: R8A7790 (R-Car H2) DU + + du: du@feb00000 { + compatible = "renesas,du-r8a7790"; + reg = <0 0xfeb00000 0 0x70000>, + <0 0xfeb90000 0 0x1c>, + <0 0xfeb94000 0 0x1c>; + reg-names = "du", "lvds.0", "lvds.1"; + interrupt-parent = <&gic>; + interrupts = <0 256 IRQ_TYPE_LEVEL_HIGH>, + <0 268 IRQ_TYPE_LEVEL_HIGH>, + <0 269 IRQ_TYPE_LEVEL_HIGH>; + clocks = <&mstp7_clks R8A7790_CLK_DU0>, + <&mstp7_clks R8A7790_CLK_DU1>, + <&mstp7_clks R8A7790_CLK_DU2>, + <&mstp7_clks R8A7790_CLK_LVDS0>, + <&mstp7_clks R8A7790_CLK_LVDS1>; + clock-names = "du.0", "du.1", "du.2", "lvds.0", "lvds.1"; + + ports { + #address-cells = <1>; + #size-cells = <0>; + + port@0 { + reg = <0>; + du_out_rgb: endpoint { + }; + }; + port@1 { + reg = <1>; + du_out_lvds0: endpoint { + }; + }; + port@2 { + reg = <2>; + du_out_lvds1: endpoint { + }; + }; + }; + }; diff --git a/Documentation/devicetree/bindings/video/thine,thc63lvdm83d b/Documentation/devicetree/bindings/video/thine,thc63lvdm83d new file mode 100644 index 0000000000000000000000000000000000000000..527e236e9a2a126dcdd814e3b50c972a7145fe44 --- /dev/null +++ b/Documentation/devicetree/bindings/video/thine,thc63lvdm83d @@ -0,0 +1,50 @@ +THine Electronics THC63LVDM83D LVDS serializer +---------------------------------------------- + +The THC63LVDM83D is an LVDS serializer designed to support pixel data +transmission between a host and a flat panel. + +Required properties: + +- compatible: Should be "thine,thc63lvdm83d" + +Optional properties: + +- pwdn-gpios: Power down control GPIO + +Required nodes: + +The THC63LVDM83D has two video ports. Their connections are modeled using the +OFgraph bindings specified in Documentation/devicetree/bindings/graph.txt. + +- Video port 0 for CMOS/TTL input +- Video port 1 for LVDS output + + +Example +------- + + lvds_enc: encoder@0 { + compatible = "thine,thc63lvdm83d"; + + ports { + #address-cells = <1>; + #size-cells = <0>; + + port@0 { + reg = <0>; + + lvds_enc_in: endpoint@0 { + remote-endpoint = <&rgb_out>; + }; + }; + + port@1 { + reg = <1>; + + lvds_enc_out: endpoint@0 { + remote-endpoint = <&panel_in>; + }; + }; + }; + }; diff --git a/Documentation/devicetree/bindings/video/vga-connector.txt b/Documentation/devicetree/bindings/video/vga-connector.txt new file mode 100644 index 0000000000000000000000000000000000000000..c727f298e7ad087de6108f32a72a9ae06f519e8b --- /dev/null +++ b/Documentation/devicetree/bindings/video/vga-connector.txt @@ -0,0 +1,36 @@ +VGA Connector +============= + +Required properties: + +- compatible: "vga-connector" + +Optional properties: + +- label: a symbolic name for the connector corresponding to a hardware label +- ddc-i2c-bus: phandle to the I2C bus that is connected to VGA DDC + +Required nodes: + +The VGA connector internal connections are modeled using the OF graph bindings +specified in Documentation/devicetree/bindings/graph.txt. + +The VGA connector has a single port that must be connected to a video source +port. + + +Example +------- + +vga0: connector@0 { + compatible = "vga-connector"; + label = "vga"; + + ddc-i2c-bus = <&i2c3>; + + port { + vga_connector_in: endpoint { + remote-endpoint = <&adv7123_out>; + }; + }; +}; diff --git a/arch/arm/mach-shmobile/board-koelsch-reference.c b/arch/arm/mach-shmobile/board-koelsch-reference.c index 3ff88c138896ad996652df6aec110355ac7f30cf..364e69bf85d445701107ce1357e3c07a2a51fa19 100644 --- a/arch/arm/mach-shmobile/board-koelsch-reference.c +++ b/arch/arm/mach-shmobile/board-koelsch-reference.c @@ -41,16 +41,15 @@ static struct rcar_du_encoder_data koelsch_du_encoders[] = { .width_mm = 210, .height_mm = 158, .mode = { - .clock = 65000, - .hdisplay = 1024, - .hsync_start = 1048, - .hsync_end = 1184, - .htotal = 1344, - .vdisplay = 768, - .vsync_start = 771, - .vsync_end = 777, - .vtotal = 806, - .flags = 0, + .pixelclock = 65000000, + .hactive = 1024, + .hfront_porch = 20, + .hback_porch = 160, + .hsync_len = 136, + .vactive = 768, + .vfront_porch = 3, + .vback_porch = 29, + .vsync_len = 6, }, }, }, diff --git a/arch/arm/mach-shmobile/board-koelsch.c b/arch/arm/mach-shmobile/board-koelsch.c index b7d5bc7659cda13537707ecbb4e39f43f6e76c61..ad10ddb6a3211da235152956f091142c4d30ec9e 100644 --- a/arch/arm/mach-shmobile/board-koelsch.c +++ b/arch/arm/mach-shmobile/board-koelsch.c @@ -63,16 +63,15 @@ static struct rcar_du_encoder_data koelsch_du_encoders[] = { .width_mm = 210, .height_mm = 158, .mode = { - .clock = 65000, - .hdisplay = 1024, - .hsync_start = 1048, - .hsync_end = 1184, - .htotal = 1344, - .vdisplay = 768, - .vsync_start = 771, - .vsync_end = 777, - .vtotal = 806, - .flags = 0, + .pixelclock = 65000000, + .hactive = 1024, + .hfront_porch = 20, + .hback_porch = 160, + .hsync_len = 136, + .vactive = 768, + .vfront_porch = 3, + .vback_porch = 29, + .vsync_len = 6, }, }, }, diff --git a/arch/arm/mach-shmobile/board-lager-reference.c b/arch/arm/mach-shmobile/board-lager-reference.c index 41c808e5600563570bd35f87a54bea990934279d..12a53a1c3d022597a4237937b6afcf9b2a2835ec 100644 --- a/arch/arm/mach-shmobile/board-lager-reference.c +++ b/arch/arm/mach-shmobile/board-lager-reference.c @@ -43,16 +43,15 @@ static struct rcar_du_encoder_data lager_du_encoders[] = { .width_mm = 210, .height_mm = 158, .mode = { - .clock = 65000, - .hdisplay = 1024, - .hsync_start = 1048, - .hsync_end = 1184, - .htotal = 1344, - .vdisplay = 768, - .vsync_start = 771, - .vsync_end = 777, - .vtotal = 806, - .flags = 0, + .pixelclock = 65000000, + .hactive = 1024, + .hfront_porch = 20, + .hback_porch = 160, + .hsync_len = 136, + .vactive = 768, + .vfront_porch = 3, + .vback_porch = 29, + .vsync_len = 6, }, }, }, diff --git a/arch/arm/mach-shmobile/board-lager.c b/arch/arm/mach-shmobile/board-lager.c index e1d8215da0b050cb47512bbcdb24818ec8750674..80576c2ee668978c6cfb32692bc81221f5f8ff66 100644 --- a/arch/arm/mach-shmobile/board-lager.c +++ b/arch/arm/mach-shmobile/board-lager.c @@ -99,16 +99,15 @@ static struct rcar_du_encoder_data lager_du_encoders[] = { .width_mm = 210, .height_mm = 158, .mode = { - .clock = 65000, - .hdisplay = 1024, - .hsync_start = 1048, - .hsync_end = 1184, - .htotal = 1344, - .vdisplay = 768, - .vsync_start = 771, - .vsync_end = 777, - .vtotal = 806, - .flags = 0, + .pixelclock = 65000000, + .hactive = 1024, + .hfront_porch = 20, + .hback_porch = 160, + .hsync_len = 136, + .vactive = 768, + .vfront_porch = 3, + .vback_porch = 29, + .vsync_len = 6, }, }, }, diff --git a/arch/arm/mach-shmobile/board-marzen.c b/arch/arm/mach-shmobile/board-marzen.c index e5cf4201e769645829a6c78b1c28b35b55a65085..ce33d7825c49a818a2bb1927299be684a7196544 100644 --- a/arch/arm/mach-shmobile/board-marzen.c +++ b/arch/arm/mach-shmobile/board-marzen.c @@ -192,16 +192,15 @@ static struct rcar_du_encoder_data du_encoders[] = { .width_mm = 210, .height_mm = 158, .mode = { - .clock = 65000, - .hdisplay = 1024, - .hsync_start = 1048, - .hsync_end = 1184, - .htotal = 1344, - .vdisplay = 768, - .vsync_start = 771, - .vsync_end = 777, - .vtotal = 806, - .flags = 0, + .pixelclock = 65000000, + .hactive = 1024, + .hfront_porch = 20, + .hback_porch = 160, + .hsync_len = 136, + .vactive = 768, + .vfront_porch = 3, + .vback_porch = 29, + .vsync_len = 6, }, }, }, diff --git a/drivers/gpu/drm/rcar-du/Kconfig b/drivers/gpu/drm/rcar-du/Kconfig index 2e3d7b5b0ad7d8363c11c7f7942858a88b03f4ed..c96f6089f8bf195377a933a8b1632565ebe49930 100644 --- a/drivers/gpu/drm/rcar-du/Kconfig +++ b/drivers/gpu/drm/rcar-du/Kconfig @@ -6,6 +6,7 @@ config DRM_RCAR_DU select DRM_KMS_CMA_HELPER select DRM_GEM_CMA_HELPER select DRM_KMS_FB_HELPER + select VIDEOMODE_HELPERS help Choose this option if you have an R-Car chipset. If M is selected the module will be called rcar-du-drm. diff --git a/drivers/gpu/drm/rcar-du/rcar_du_crtc.c b/drivers/gpu/drm/rcar-du/rcar_du_crtc.c index 299267db2898634fae3830c7be1180b1188ec737..148b505891813f65dee9019e24741fd003c4b41c 100644 --- a/drivers/gpu/drm/rcar-du/rcar_du_crtc.c +++ b/drivers/gpu/drm/rcar-du/rcar_du_crtc.c @@ -1,7 +1,7 @@ /* * rcar_du_crtc.c -- R-Car Display Unit CRTCs * - * Copyright (C) 2013 Renesas Corporation + * Copyright (C) 2013-2014 Renesas Electronics Corporation * * Contact: Laurent Pinchart (laurent.pinchart@ideasonboard.com) * diff --git a/drivers/gpu/drm/rcar-du/rcar_du_crtc.h b/drivers/gpu/drm/rcar-du/rcar_du_crtc.h index 43e7575c700c26354d9971ea211ef84a4db2cfc9..e97ae502dec5ffaa50311d84f96d66b17e69ea8b 100644 --- a/drivers/gpu/drm/rcar-du/rcar_du_crtc.h +++ b/drivers/gpu/drm/rcar-du/rcar_du_crtc.h @@ -1,7 +1,7 @@ /* * rcar_du_crtc.h -- R-Car Display Unit CRTCs * - * Copyright (C) 2013 Renesas Corporation + * Copyright (C) 2013-2014 Renesas Electronics Corporation * * Contact: Laurent Pinchart (laurent.pinchart@ideasonboard.com) * diff --git a/drivers/gpu/drm/rcar-du/rcar_du_drv.c b/drivers/gpu/drm/rcar-du/rcar_du_drv.c index 672d2fcba00947eac83a8d050e86eacb4d27b568..d212efa6a49510db6b51f60a77357e5b6c5e09a9 100644 --- a/drivers/gpu/drm/rcar-du/rcar_du_drv.c +++ b/drivers/gpu/drm/rcar-du/rcar_du_drv.c @@ -1,7 +1,7 @@ /* * rcar_du_drv.c -- R-Car Display Unit DRM driver * - * Copyright (C) 2013 Renesas Corporation + * Copyright (C) 2013-2014 Renesas Electronics Corporation * * Contact: Laurent Pinchart (laurent.pinchart@ideasonboard.com) * @@ -15,6 +15,7 @@ #include #include #include +#include #include #include #include @@ -29,6 +30,97 @@ #include "rcar_du_kms.h" #include "rcar_du_regs.h" +/* ----------------------------------------------------------------------------- + * Device Information + */ + +static const struct rcar_du_device_info rcar_du_r8a7779_info = { + .features = 0, + .num_crtcs = 2, + .routes = { + /* R8A7779 has two RGB outputs and one (currently unsupported) + * TCON output. + */ + [RCAR_DU_OUTPUT_DPAD0] = { + .possible_crtcs = BIT(0), + .encoder_type = DRM_MODE_ENCODER_NONE, + .port = 0, + }, + [RCAR_DU_OUTPUT_DPAD1] = { + .possible_crtcs = BIT(1) | BIT(0), + .encoder_type = DRM_MODE_ENCODER_NONE, + .port = 1, + }, + }, + .num_lvds = 0, +}; + +static const struct rcar_du_device_info rcar_du_r8a7790_info = { + .features = RCAR_DU_FEATURE_CRTC_IRQ_CLOCK | RCAR_DU_FEATURE_DEFR8, + .quirks = RCAR_DU_QUIRK_ALIGN_128B | RCAR_DU_QUIRK_LVDS_LANES, + .num_crtcs = 3, + .routes = { + /* R8A7790 has one RGB output, two LVDS outputs and one + * (currently unsupported) TCON output. + */ + [RCAR_DU_OUTPUT_DPAD0] = { + .possible_crtcs = BIT(2) | BIT(1) | BIT(0), + .encoder_type = DRM_MODE_ENCODER_NONE, + .port = 0, + }, + [RCAR_DU_OUTPUT_LVDS0] = { + .possible_crtcs = BIT(0), + .encoder_type = DRM_MODE_ENCODER_LVDS, + .port = 1, + }, + [RCAR_DU_OUTPUT_LVDS1] = { + .possible_crtcs = BIT(2) | BIT(1), + .encoder_type = DRM_MODE_ENCODER_LVDS, + .port = 2, + }, + }, + .num_lvds = 2, +}; + +static const struct rcar_du_device_info rcar_du_r8a7791_info = { + .features = RCAR_DU_FEATURE_CRTC_IRQ_CLOCK | RCAR_DU_FEATURE_DEFR8, + .num_crtcs = 2, + .routes = { + /* R8A7791 has one RGB output, one LVDS output and one + * (currently unsupported) TCON output. + */ + [RCAR_DU_OUTPUT_DPAD0] = { + .possible_crtcs = BIT(1), + .encoder_type = DRM_MODE_ENCODER_NONE, + .port = 0, + }, + [RCAR_DU_OUTPUT_LVDS0] = { + .possible_crtcs = BIT(0), + .encoder_type = DRM_MODE_ENCODER_LVDS, + .port = 1, + }, + }, + .num_lvds = 1, +}; + +static const struct platform_device_id rcar_du_id_table[] = { + { "rcar-du-r8a7779", (kernel_ulong_t)&rcar_du_r8a7779_info }, + { "rcar-du-r8a7790", (kernel_ulong_t)&rcar_du_r8a7790_info }, + { "rcar-du-r8a7791", (kernel_ulong_t)&rcar_du_r8a7791_info }, + { } +}; + +MODULE_DEVICE_TABLE(platform, rcar_du_id_table); + +static const struct of_device_id rcar_du_of_table[] = { + { .compatible = "renesas,du-r8a7779", .data = &rcar_du_r8a7779_info }, + { .compatible = "renesas,du-r8a7790", .data = &rcar_du_r8a7790_info }, + { .compatible = "renesas,du-r8a7791", .data = &rcar_du_r8a7791_info }, + { } +}; + +MODULE_DEVICE_TABLE(of, rcar_du_of_table); + /* ----------------------------------------------------------------------------- * DRM operations */ @@ -53,12 +145,13 @@ static int rcar_du_unload(struct drm_device *dev) static int rcar_du_load(struct drm_device *dev, unsigned long flags) { struct platform_device *pdev = dev->platformdev; + struct device_node *np = pdev->dev.of_node; struct rcar_du_platform_data *pdata = pdev->dev.platform_data; struct rcar_du_device *rcdu; struct resource *mem; int ret; - if (pdata == NULL) { + if (pdata == NULL && np == NULL) { dev_err(dev->dev, "no platform data\n"); return -ENODEV; } @@ -71,7 +164,8 @@ static int rcar_du_load(struct drm_device *dev, unsigned long flags) rcdu->dev = &pdev->dev; rcdu->pdata = pdata; - rcdu->info = (struct rcar_du_device_info *)pdev->id_entry->driver_data; + rcdu->info = np ? of_match_device(rcar_du_of_table, rcdu->dev)->data + : (void *)platform_get_device_id(pdev)->driver_data; rcdu->ddev = dev; dev->dev_private = rcdu; @@ -232,77 +326,6 @@ static int rcar_du_remove(struct platform_device *pdev) return 0; } -static const struct rcar_du_device_info rcar_du_r8a7779_info = { - .features = 0, - .num_crtcs = 2, - .routes = { - /* R8A7779 has two RGB outputs and one (currently unsupported) - * TCON output. - */ - [RCAR_DU_OUTPUT_DPAD0] = { - .possible_crtcs = BIT(0), - .encoder_type = DRM_MODE_ENCODER_NONE, - }, - [RCAR_DU_OUTPUT_DPAD1] = { - .possible_crtcs = BIT(1) | BIT(0), - .encoder_type = DRM_MODE_ENCODER_NONE, - }, - }, - .num_lvds = 0, -}; - -static const struct rcar_du_device_info rcar_du_r8a7790_info = { - .features = RCAR_DU_FEATURE_CRTC_IRQ_CLOCK | RCAR_DU_FEATURE_DEFR8, - .quirks = RCAR_DU_QUIRK_ALIGN_128B | RCAR_DU_QUIRK_LVDS_LANES, - .num_crtcs = 3, - .routes = { - /* R8A7790 has one RGB output, two LVDS outputs and one - * (currently unsupported) TCON output. - */ - [RCAR_DU_OUTPUT_DPAD0] = { - .possible_crtcs = BIT(2) | BIT(1) | BIT(0), - .encoder_type = DRM_MODE_ENCODER_NONE, - }, - [RCAR_DU_OUTPUT_LVDS0] = { - .possible_crtcs = BIT(0), - .encoder_type = DRM_MODE_ENCODER_LVDS, - }, - [RCAR_DU_OUTPUT_LVDS1] = { - .possible_crtcs = BIT(2) | BIT(1), - .encoder_type = DRM_MODE_ENCODER_LVDS, - }, - }, - .num_lvds = 2, -}; - -static const struct rcar_du_device_info rcar_du_r8a7791_info = { - .features = RCAR_DU_FEATURE_CRTC_IRQ_CLOCK | RCAR_DU_FEATURE_DEFR8, - .num_crtcs = 2, - .routes = { - /* R8A7791 has one RGB output, one LVDS output and one - * (currently unsupported) TCON output. - */ - [RCAR_DU_OUTPUT_DPAD0] = { - .possible_crtcs = BIT(1), - .encoder_type = DRM_MODE_ENCODER_NONE, - }, - [RCAR_DU_OUTPUT_LVDS0] = { - .possible_crtcs = BIT(0), - .encoder_type = DRM_MODE_ENCODER_LVDS, - }, - }, - .num_lvds = 1, -}; - -static const struct platform_device_id rcar_du_id_table[] = { - { "rcar-du-r8a7779", (kernel_ulong_t)&rcar_du_r8a7779_info }, - { "rcar-du-r8a7790", (kernel_ulong_t)&rcar_du_r8a7790_info }, - { "rcar-du-r8a7791", (kernel_ulong_t)&rcar_du_r8a7791_info }, - { } -}; - -MODULE_DEVICE_TABLE(platform, rcar_du_id_table); - static struct platform_driver rcar_du_platform_driver = { .probe = rcar_du_probe, .remove = rcar_du_remove, @@ -310,6 +333,7 @@ static struct platform_driver rcar_du_platform_driver = { .owner = THIS_MODULE, .name = "rcar-du", .pm = &rcar_du_pm_ops, + .of_match_table = rcar_du_of_table, }, .id_table = rcar_du_id_table, }; diff --git a/drivers/gpu/drm/rcar-du/rcar_du_drv.h b/drivers/gpu/drm/rcar-du/rcar_du_drv.h index e31b735d3f258b69b65ab97320ddfe7440d7d6b9..8e494633c3b36325b99833dfd7ed294cab975962 100644 --- a/drivers/gpu/drm/rcar-du/rcar_du_drv.h +++ b/drivers/gpu/drm/rcar-du/rcar_du_drv.h @@ -1,7 +1,7 @@ /* * rcar_du_drv.h -- R-Car Display Unit DRM driver * - * Copyright (C) 2013 Renesas Corporation + * Copyright (C) 2013-2014 Renesas Electronics Corporation * * Contact: Laurent Pinchart (laurent.pinchart@ideasonboard.com) * @@ -37,6 +37,7 @@ struct rcar_du_lvdsenc; * struct rcar_du_output_routing - Output routing specification * @possible_crtcs: bitmask of possible CRTCs for the output * @encoder_type: DRM type of the internal encoder associated with the output + * @port: device tree port number corresponding to this output route * * The DU has 5 possible outputs (DPAD0/1, LVDS0/1, TCON). Output routing data * specify the valid SoC outputs, which CRTCs can drive the output, and the type @@ -45,6 +46,7 @@ struct rcar_du_lvdsenc; struct rcar_du_output_routing { unsigned int possible_crtcs; unsigned int encoder_type; + unsigned int port; }; /* diff --git a/drivers/gpu/drm/rcar-du/rcar_du_encoder.c b/drivers/gpu/drm/rcar-du/rcar_du_encoder.c index 3daa7a168dc689dba73804863998c5c1de4946ca..7c0ec95915eff1b1a46fb0319f5ae7eea353c26a 100644 --- a/drivers/gpu/drm/rcar-du/rcar_du_encoder.c +++ b/drivers/gpu/drm/rcar-du/rcar_du_encoder.c @@ -1,7 +1,7 @@ /* * rcar_du_encoder.c -- R-Car Display Unit Encoder * - * Copyright (C) 2013 Renesas Corporation + * Copyright (C) 2013-2014 Renesas Electronics Corporation * * Contact: Laurent Pinchart (laurent.pinchart@ideasonboard.com) * @@ -142,7 +142,8 @@ static const struct drm_encoder_funcs encoder_funcs = { int rcar_du_encoder_init(struct rcar_du_device *rcdu, enum rcar_du_encoder_type type, enum rcar_du_output output, - const struct rcar_du_encoder_data *data) + const struct rcar_du_encoder_data *data, + struct device_node *np) { struct rcar_du_encoder *renc; unsigned int encoder_type; @@ -189,9 +190,11 @@ int rcar_du_encoder_init(struct rcar_du_device *rcdu, drm_encoder_helper_add(&renc->encoder, &encoder_helper_funcs); switch (encoder_type) { - case DRM_MODE_ENCODER_LVDS: - return rcar_du_lvds_connector_init(rcdu, renc, - &data->connector.lvds.panel); + case DRM_MODE_ENCODER_LVDS: { + const struct rcar_du_panel_data *pdata = + data ? &data->connector.lvds.panel : NULL; + return rcar_du_lvds_connector_init(rcdu, renc, pdata, np); + } case DRM_MODE_ENCODER_DAC: return rcar_du_vga_connector_init(rcdu, renc); diff --git a/drivers/gpu/drm/rcar-du/rcar_du_encoder.h b/drivers/gpu/drm/rcar-du/rcar_du_encoder.h index 0e5a65e45d0e598d338399b838d1e60d2291f97e..bd624135ef1fbfed3257bc4377b1e17a441b2021 100644 --- a/drivers/gpu/drm/rcar-du/rcar_du_encoder.h +++ b/drivers/gpu/drm/rcar-du/rcar_du_encoder.h @@ -1,7 +1,7 @@ /* * rcar_du_encoder.h -- R-Car Display Unit Encoder * - * Copyright (C) 2013 Renesas Corporation + * Copyright (C) 2013-2014 Renesas Electronics Corporation * * Contact: Laurent Pinchart (laurent.pinchart@ideasonboard.com) * @@ -44,6 +44,7 @@ rcar_du_connector_best_encoder(struct drm_connector *connector); int rcar_du_encoder_init(struct rcar_du_device *rcdu, enum rcar_du_encoder_type type, enum rcar_du_output output, - const struct rcar_du_encoder_data *data); + const struct rcar_du_encoder_data *data, + struct device_node *np); #endif /* __RCAR_DU_ENCODER_H__ */ diff --git a/drivers/gpu/drm/rcar-du/rcar_du_group.c b/drivers/gpu/drm/rcar-du/rcar_du_group.c index eb53cd97e8c6c3ac282bd5ccd09cd8a637275026..4e7614b145db550d1364723e76dd27ffd36b404f 100644 --- a/drivers/gpu/drm/rcar-du/rcar_du_group.c +++ b/drivers/gpu/drm/rcar-du/rcar_du_group.c @@ -1,7 +1,7 @@ /* * rcar_du_group.c -- R-Car Display Unit Channels Pair * - * Copyright (C) 2013 Renesas Corporation + * Copyright (C) 2013-2014 Renesas Electronics Corporation * * Contact: Laurent Pinchart (laurent.pinchart@ideasonboard.com) * diff --git a/drivers/gpu/drm/rcar-du/rcar_du_group.h b/drivers/gpu/drm/rcar-du/rcar_du_group.h index 5025930972ecdd36c2eb652e2931dcfff6788651..0c38cdcda4cae9a0880bf354b7ffd167c16be870 100644 --- a/drivers/gpu/drm/rcar-du/rcar_du_group.h +++ b/drivers/gpu/drm/rcar-du/rcar_du_group.h @@ -1,7 +1,7 @@ /* * rcar_du_group.c -- R-Car Display Unit Planes and CRTCs Group * - * Copyright (C) 2013 Renesas Corporation + * Copyright (C) 2013-2014 Renesas Electronics Corporation * * Contact: Laurent Pinchart (laurent.pinchart@ideasonboard.com) * diff --git a/drivers/gpu/drm/rcar-du/rcar_du_kms.c b/drivers/gpu/drm/rcar-du/rcar_du_kms.c index 76026104d000170838fd5bf34361d30a8b1efa52..6c24ad7d03ef300077cc992b9d3b95fccec2cac1 100644 --- a/drivers/gpu/drm/rcar-du/rcar_du_kms.c +++ b/drivers/gpu/drm/rcar-du/rcar_du_kms.c @@ -1,7 +1,7 @@ /* * rcar_du_kms.c -- R-Car Display Unit Mode Setting * - * Copyright (C) 2013 Renesas Corporation + * Copyright (C) 2013-2014 Renesas Electronics Corporation * * Contact: Laurent Pinchart (laurent.pinchart@ideasonboard.com) * @@ -17,6 +17,8 @@ #include #include +#include + #include "rcar_du_crtc.h" #include "rcar_du_drv.h" #include "rcar_du_encoder.h" @@ -188,6 +190,205 @@ static const struct drm_mode_config_funcs rcar_du_mode_config_funcs = { .output_poll_changed = rcar_du_output_poll_changed, }; +static int rcar_du_encoders_init_pdata(struct rcar_du_device *rcdu) +{ + unsigned int num_encoders = 0; + unsigned int i; + int ret; + + for (i = 0; i < rcdu->pdata->num_encoders; ++i) { + const struct rcar_du_encoder_data *pdata = + &rcdu->pdata->encoders[i]; + const struct rcar_du_output_routing *route = + &rcdu->info->routes[pdata->output]; + + if (pdata->type == RCAR_DU_ENCODER_UNUSED) + continue; + + if (pdata->output >= RCAR_DU_OUTPUT_MAX || + route->possible_crtcs == 0) { + dev_warn(rcdu->dev, + "encoder %u references unexisting output %u, skipping\n", + i, pdata->output); + continue; + } + + ret = rcar_du_encoder_init(rcdu, pdata->type, pdata->output, + pdata, NULL); + if (ret < 0) + return ret; + + num_encoders++; + } + + return num_encoders; +} + +static int rcar_du_encoders_init_dt_one(struct rcar_du_device *rcdu, + enum rcar_du_output output, + struct of_endpoint *ep) +{ + static const struct { + const char *compatible; + enum rcar_du_encoder_type type; + } encoders[] = { + { "adi,adv7123", RCAR_DU_ENCODER_VGA }, + { "thine,thc63lvdm83d", RCAR_DU_ENCODER_LVDS }, + }; + + enum rcar_du_encoder_type enc_type = RCAR_DU_ENCODER_NONE; + struct device_node *connector = NULL; + struct device_node *encoder = NULL; + struct device_node *prev = NULL; + struct device_node *entity_ep_node; + struct device_node *entity; + int ret; + + /* + * Locate the connected entity and infer its type from the number of + * endpoints. + */ + entity = of_graph_get_remote_port_parent(ep->local_node); + if (!entity) { + dev_dbg(rcdu->dev, "unconnected endpoint %s, skipping\n", + ep->local_node->full_name); + return 0; + } + + entity_ep_node = of_parse_phandle(ep->local_node, "remote-endpoint", 0); + + while (1) { + struct device_node *ep_node; + + ep_node = of_graph_get_next_endpoint(entity, prev); + of_node_put(prev); + prev = ep_node; + + if (!ep_node) + break; + + if (ep_node == entity_ep_node) + continue; + + /* + * We've found one endpoint other than the input, this must + * be an encoder. Locate the connector. + */ + encoder = entity; + connector = of_graph_get_remote_port_parent(ep_node); + of_node_put(ep_node); + + if (!connector) { + dev_warn(rcdu->dev, + "no connector for encoder %s, skipping\n", + encoder->full_name); + of_node_put(entity_ep_node); + of_node_put(encoder); + return 0; + } + + break; + } + + of_node_put(entity_ep_node); + + if (encoder) { + /* + * If an encoder has been found, get its type based on its + * compatible string. + */ + unsigned int i; + + for (i = 0; i < ARRAY_SIZE(encoders); ++i) { + if (of_device_is_compatible(encoder, + encoders[i].compatible)) { + enc_type = encoders[i].type; + break; + } + } + + if (i == ARRAY_SIZE(encoders)) { + dev_warn(rcdu->dev, + "unknown encoder type for %s, skipping\n", + encoder->full_name); + of_node_put(encoder); + of_node_put(connector); + return 0; + } + } else { + /* + * If no encoder has been found the entity must be the + * connector. + */ + connector = entity; + } + + ret = rcar_du_encoder_init(rcdu, enc_type, output, NULL, connector); + of_node_put(encoder); + of_node_put(connector); + + return ret < 0 ? ret : 1; +} + +static int rcar_du_encoders_init_dt(struct rcar_du_device *rcdu) +{ + struct device_node *np = rcdu->dev->of_node; + struct device_node *prev = NULL; + unsigned int num_encoders = 0; + + /* + * Iterate over the endpoints and create one encoder for each output + * pipeline. + */ + while (1) { + struct device_node *ep_node; + enum rcar_du_output output; + struct of_endpoint ep; + unsigned int i; + int ret; + + ep_node = of_graph_get_next_endpoint(np, prev); + of_node_put(prev); + prev = ep_node; + + if (ep_node == NULL) + break; + + ret = of_graph_parse_endpoint(ep_node, &ep); + if (ret < 0) { + of_node_put(ep_node); + return ret; + } + + /* Find the output route corresponding to the port number. */ + for (i = 0; i < RCAR_DU_OUTPUT_MAX; ++i) { + if (rcdu->info->routes[i].possible_crtcs && + rcdu->info->routes[i].port == ep.port) { + output = i; + break; + } + } + + if (i == RCAR_DU_OUTPUT_MAX) { + dev_warn(rcdu->dev, + "port %u references unexisting output, skipping\n", + ep.port); + continue; + } + + /* Process the output pipeline. */ + ret = rcar_du_encoders_init_dt_one(rcdu, output, &ep); + if (ret < 0) { + of_node_put(ep_node); + return ret; + } + + num_encoders += ret; + } + + return num_encoders; +} + int rcar_du_modeset_init(struct rcar_du_device *rcdu) { static const unsigned int mmio_offsets[] = { @@ -197,6 +398,7 @@ int rcar_du_modeset_init(struct rcar_du_device *rcdu) struct drm_device *dev = rcdu->ddev; struct drm_encoder *encoder; struct drm_fbdev_cma *fbdev; + unsigned int num_encoders; unsigned int num_groups; unsigned int i; int ret; @@ -240,28 +442,15 @@ int rcar_du_modeset_init(struct rcar_du_device *rcdu) if (ret < 0) return ret; - for (i = 0; i < rcdu->pdata->num_encoders; ++i) { - const struct rcar_du_encoder_data *pdata = - &rcdu->pdata->encoders[i]; - const struct rcar_du_output_routing *route = - &rcdu->info->routes[pdata->output]; - - if (pdata->type == RCAR_DU_ENCODER_UNUSED) - continue; + if (rcdu->pdata) + ret = rcar_du_encoders_init_pdata(rcdu); + else + ret = rcar_du_encoders_init_dt(rcdu); - if (pdata->output >= RCAR_DU_OUTPUT_MAX || - route->possible_crtcs == 0) { - dev_warn(rcdu->dev, - "encoder %u references unexisting output %u, skipping\n", - i, pdata->output); - continue; - } + if (ret < 0) + return ret; - ret = rcar_du_encoder_init(rcdu, pdata->type, pdata->output, - pdata); - if (ret < 0) - return ret; - } + num_encoders = ret; /* Set the possible CRTCs and possible clones. There's always at least * one way for all encoders to clone each other, set all bits in the @@ -273,7 +462,7 @@ int rcar_du_modeset_init(struct rcar_du_device *rcdu) &rcdu->info->routes[renc->output]; encoder->possible_crtcs = route->possible_crtcs; - encoder->possible_clones = (1 << rcdu->pdata->num_encoders) - 1; + encoder->possible_clones = (1 << num_encoders) - 1; } /* Now that the CRTCs have been initialized register the planes. */ diff --git a/drivers/gpu/drm/rcar-du/rcar_du_kms.h b/drivers/gpu/drm/rcar-du/rcar_du_kms.h index 5750e6af56557b36b4821953fced65372170fa09..07951d5fe38b92d5b5256a8166dde2498cd1a98a 100644 --- a/drivers/gpu/drm/rcar-du/rcar_du_kms.h +++ b/drivers/gpu/drm/rcar-du/rcar_du_kms.h @@ -1,7 +1,7 @@ /* * rcar_du_kms.h -- R-Car Display Unit Mode Setting * - * Copyright (C) 2013 Renesas Corporation + * Copyright (C) 2013-2014 Renesas Electronics Corporation * * Contact: Laurent Pinchart (laurent.pinchart@ideasonboard.com) * diff --git a/drivers/gpu/drm/rcar-du/rcar_du_lvdscon.c b/drivers/gpu/drm/rcar-du/rcar_du_lvdscon.c index 21426bd234eb1d24ac2038e8ed58fd813ac61990..115eed20db12abc421eddf7a20db0707c291c4a5 100644 --- a/drivers/gpu/drm/rcar-du/rcar_du_lvdscon.c +++ b/drivers/gpu/drm/rcar-du/rcar_du_lvdscon.c @@ -1,7 +1,7 @@ /* * rcar_du_lvdscon.c -- R-Car Display Unit LVDS Connector * - * Copyright (C) 2013 Renesas Corporation + * Copyright (C) 2013-2014 Renesas Electronics Corporation * * Contact: Laurent Pinchart (laurent.pinchart@ideasonboard.com) * @@ -15,6 +15,10 @@ #include #include +#include