* [PATCH v3 0/2] gpu: drm: add driver for ili9361 panel @ 2021-03-22 9:52 ` Daniel Mack 0 siblings, 0 replies; 8+ messages in thread From: Daniel Mack @ 2021-03-22 9:52 UTC (permalink / raw) To: airlied, daniel; +Cc: robh+dt, devicetree, dri-devel, Daniel Mack This is v3 of the series. Changelog: v2 -> v3: * Turn Documentation into yaml format Daniel Mack (2): dt-bindings: display: add bindings for newhaven,1.8-128160EF drm/tiny: add driver for newhaven,1.8-128160EF .../bindings/display/ilitek,ili9163.yaml | 70 ++++++ drivers/gpu/drm/tiny/Kconfig | 13 + drivers/gpu/drm/tiny/Makefile | 1 + drivers/gpu/drm/tiny/ili9163.c | 224 ++++++++++++++++++ 4 files changed, 308 insertions(+) create mode 100644 Documentation/devicetree/bindings/display/ilitek,ili9163.yaml create mode 100644 drivers/gpu/drm/tiny/ili9163.c -- 2.29.2 ^ permalink raw reply [flat|nested] 8+ messages in thread
* [PATCH v3 0/2] gpu: drm: add driver for ili9361 panel @ 2021-03-22 9:52 ` Daniel Mack 0 siblings, 0 replies; 8+ messages in thread From: Daniel Mack @ 2021-03-22 9:52 UTC (permalink / raw) To: airlied, daniel; +Cc: devicetree, robh+dt, Daniel Mack, dri-devel This is v3 of the series. Changelog: v2 -> v3: * Turn Documentation into yaml format Daniel Mack (2): dt-bindings: display: add bindings for newhaven,1.8-128160EF drm/tiny: add driver for newhaven,1.8-128160EF .../bindings/display/ilitek,ili9163.yaml | 70 ++++++ drivers/gpu/drm/tiny/Kconfig | 13 + drivers/gpu/drm/tiny/Makefile | 1 + drivers/gpu/drm/tiny/ili9163.c | 224 ++++++++++++++++++ 4 files changed, 308 insertions(+) create mode 100644 Documentation/devicetree/bindings/display/ilitek,ili9163.yaml create mode 100644 drivers/gpu/drm/tiny/ili9163.c -- 2.29.2 _______________________________________________ dri-devel mailing list dri-devel@lists.freedesktop.org https://lists.freedesktop.org/mailman/listinfo/dri-devel ^ permalink raw reply [flat|nested] 8+ messages in thread
* [PATCH v3 1/2] dt-bindings: display: add bindings for newhaven,1.8-128160EF 2021-03-22 9:52 ` Daniel Mack @ 2021-03-22 9:52 ` Daniel Mack -1 siblings, 0 replies; 8+ messages in thread From: Daniel Mack @ 2021-03-22 9:52 UTC (permalink / raw) To: airlied, daniel; +Cc: robh+dt, devicetree, dri-devel, Daniel Mack This adds documentation for a new ILI9163 based, SPI connected display. Signed-off-by: Daniel Mack <daniel@zonque.org> --- .../bindings/display/ilitek,ili9163.yaml | 70 +++++++++++++++++++ 1 file changed, 70 insertions(+) create mode 100644 Documentation/devicetree/bindings/display/ilitek,ili9163.yaml diff --git a/Documentation/devicetree/bindings/display/ilitek,ili9163.yaml b/Documentation/devicetree/bindings/display/ilitek,ili9163.yaml new file mode 100644 index 0000000000000..edf1f925bc0cc --- /dev/null +++ b/Documentation/devicetree/bindings/display/ilitek,ili9163.yaml @@ -0,0 +1,70 @@ +# SPDX-License-Identifier: GPL-2.0-only +%YAML 1.2 +--- +$id: http://devicetree.org/schemas/display/ilitek,ili9486.yaml# +$schema: http://devicetree.org/meta-schemas/core.yaml# + +title: Ilitek ILI9163 display panels device tree bindings + +maintainers: + - Daniel Mack <daniel@zonque.org> + +description: + This binding is for display panels using an Ilitek ILI9163 controller in SPI + mode. + +allOf: + - $ref: panel/panel-common.yaml# + +properties: + compatible: + items: + - enum: + - newhaven,1.8-128160EF + - ilitek,ili9163 + - const: ilitek,ili9163 + + spi-max-frequency: + maximum: 32000000 + + dc-gpios: + maxItems: 1 + description: Display data/command selection (D/CX) + + backlight: true + reg: true + reset-gpios: true + rotation: true + +required: + - compatible + - reg + - dc-gpios + - reset-gpios + +additionalProperties: false + +examples: + - | + #include <dt-bindings/gpio/gpio.h> + + backlight: backlight { + compatible = "gpio-backlight"; + gpios = <&gpio 22 GPIO_ACTIVE_HIGH>; + }; + spi { + #address-cells = <1>; + #size-cells = <0>; + + display@0{ + compatible = "waveshare,rpi-lcd-35", "ilitek,ili9486"; + reg = <0>; + spi-max-frequency = <32000000>; + dc-gpios = <&gpio0 24 GPIO_ACTIVE_HIGH>; + reset-gpios = <&gpio0 25 GPIO_ACTIVE_HIGH>; + rotation = <180>; + backlight = <&backlight>; + }; + }; + +... -- 2.29.2 ^ permalink raw reply related [flat|nested] 8+ messages in thread
* [PATCH v3 1/2] dt-bindings: display: add bindings for newhaven, 1.8-128160EF @ 2021-03-22 9:52 ` Daniel Mack 0 siblings, 0 replies; 8+ messages in thread From: Daniel Mack @ 2021-03-22 9:52 UTC (permalink / raw) To: airlied, daniel; +Cc: devicetree, robh+dt, Daniel Mack, dri-devel This adds documentation for a new ILI9163 based, SPI connected display. Signed-off-by: Daniel Mack <daniel@zonque.org> --- .../bindings/display/ilitek,ili9163.yaml | 70 +++++++++++++++++++ 1 file changed, 70 insertions(+) create mode 100644 Documentation/devicetree/bindings/display/ilitek,ili9163.yaml diff --git a/Documentation/devicetree/bindings/display/ilitek,ili9163.yaml b/Documentation/devicetree/bindings/display/ilitek,ili9163.yaml new file mode 100644 index 0000000000000..edf1f925bc0cc --- /dev/null +++ b/Documentation/devicetree/bindings/display/ilitek,ili9163.yaml @@ -0,0 +1,70 @@ +# SPDX-License-Identifier: GPL-2.0-only +%YAML 1.2 +--- +$id: http://devicetree.org/schemas/display/ilitek,ili9486.yaml# +$schema: http://devicetree.org/meta-schemas/core.yaml# + +title: Ilitek ILI9163 display panels device tree bindings + +maintainers: + - Daniel Mack <daniel@zonque.org> + +description: + This binding is for display panels using an Ilitek ILI9163 controller in SPI + mode. + +allOf: + - $ref: panel/panel-common.yaml# + +properties: + compatible: + items: + - enum: + - newhaven,1.8-128160EF + - ilitek,ili9163 + - const: ilitek,ili9163 + + spi-max-frequency: + maximum: 32000000 + + dc-gpios: + maxItems: 1 + description: Display data/command selection (D/CX) + + backlight: true + reg: true + reset-gpios: true + rotation: true + +required: + - compatible + - reg + - dc-gpios + - reset-gpios + +additionalProperties: false + +examples: + - | + #include <dt-bindings/gpio/gpio.h> + + backlight: backlight { + compatible = "gpio-backlight"; + gpios = <&gpio 22 GPIO_ACTIVE_HIGH>; + }; + spi { + #address-cells = <1>; + #size-cells = <0>; + + display@0{ + compatible = "waveshare,rpi-lcd-35", "ilitek,ili9486"; + reg = <0>; + spi-max-frequency = <32000000>; + dc-gpios = <&gpio0 24 GPIO_ACTIVE_HIGH>; + reset-gpios = <&gpio0 25 GPIO_ACTIVE_HIGH>; + rotation = <180>; + backlight = <&backlight>; + }; + }; + +... -- 2.29.2 _______________________________________________ dri-devel mailing list dri-devel@lists.freedesktop.org https://lists.freedesktop.org/mailman/listinfo/dri-devel ^ permalink raw reply related [flat|nested] 8+ messages in thread
* Re: [PATCH v3 1/2] dt-bindings: display: add bindings for newhaven, 1.8-128160EF 2021-03-22 9:52 ` [PATCH v3 1/2] dt-bindings: display: add bindings for newhaven, 1.8-128160EF Daniel Mack @ 2021-03-22 17:38 ` Rob Herring -1 siblings, 0 replies; 8+ messages in thread From: Rob Herring @ 2021-03-22 17:38 UTC (permalink / raw) To: Daniel Mack; +Cc: devicetree, robh+dt, daniel, dri-devel, airlied On Mon, 22 Mar 2021 10:52:22 +0100, Daniel Mack wrote: > This adds documentation for a new ILI9163 based, SPI connected display. > > Signed-off-by: Daniel Mack <daniel@zonque.org> > --- > .../bindings/display/ilitek,ili9163.yaml | 70 +++++++++++++++++++ > 1 file changed, 70 insertions(+) > create mode 100644 Documentation/devicetree/bindings/display/ilitek,ili9163.yaml > My bot found errors running 'make dt_binding_check' on your patch: yamllint warnings/errors: dtschema/dtc warnings/errors: ./Documentation/devicetree/bindings/display/ilitek,ili9163.yaml: $id: relative path/filename doesn't match actual path or filename expected: http://devicetree.org/schemas/display/ilitek,ili9163.yaml# /builds/robherring/linux-dt-review/Documentation/devicetree/bindings/display/ilitek,ili9163.yaml: duplicate '$id' value 'http://devicetree.org/schemas/display/ilitek,ili9486.yaml#' See https://patchwork.ozlabs.org/patch/1456455 This check can fail if there are any dependencies. The base for a patch series is generally the most recent rc1. If you already ran 'make dt_binding_check' and didn't see the above error(s), then make sure 'yamllint' is installed and dt-schema is up to date: pip3 install dtschema --upgrade Please check and re-submit. ^ permalink raw reply [flat|nested] 8+ messages in thread
* Re: [PATCH v3 1/2] dt-bindings: display: add bindings for newhaven, 1.8-128160EF @ 2021-03-22 17:38 ` Rob Herring 0 siblings, 0 replies; 8+ messages in thread From: Rob Herring @ 2021-03-22 17:38 UTC (permalink / raw) To: Daniel Mack; +Cc: airlied, devicetree, robh+dt, dri-devel On Mon, 22 Mar 2021 10:52:22 +0100, Daniel Mack wrote: > This adds documentation for a new ILI9163 based, SPI connected display. > > Signed-off-by: Daniel Mack <daniel@zonque.org> > --- > .../bindings/display/ilitek,ili9163.yaml | 70 +++++++++++++++++++ > 1 file changed, 70 insertions(+) > create mode 100644 Documentation/devicetree/bindings/display/ilitek,ili9163.yaml > My bot found errors running 'make dt_binding_check' on your patch: yamllint warnings/errors: dtschema/dtc warnings/errors: ./Documentation/devicetree/bindings/display/ilitek,ili9163.yaml: $id: relative path/filename doesn't match actual path or filename expected: http://devicetree.org/schemas/display/ilitek,ili9163.yaml# /builds/robherring/linux-dt-review/Documentation/devicetree/bindings/display/ilitek,ili9163.yaml: duplicate '$id' value 'http://devicetree.org/schemas/display/ilitek,ili9486.yaml#' See https://patchwork.ozlabs.org/patch/1456455 This check can fail if there are any dependencies. The base for a patch series is generally the most recent rc1. If you already ran 'make dt_binding_check' and didn't see the above error(s), then make sure 'yamllint' is installed and dt-schema is up to date: pip3 install dtschema --upgrade Please check and re-submit. _______________________________________________ dri-devel mailing list dri-devel@lists.freedesktop.org https://lists.freedesktop.org/mailman/listinfo/dri-devel ^ permalink raw reply [flat|nested] 8+ messages in thread
* [PATCH v3 2/2] drm/tiny: add driver for newhaven,1.8-128160EF 2021-03-22 9:52 ` Daniel Mack @ 2021-03-22 9:52 ` Daniel Mack -1 siblings, 0 replies; 8+ messages in thread From: Daniel Mack @ 2021-03-22 9:52 UTC (permalink / raw) To: airlied, daniel Cc: robh+dt, devicetree, dri-devel, Daniel Mack, Daniel Vetter This patch adds support for Newhaven's NHD-1.8-128160EF display, featuring an Ilitek ILI9163 controller. Signed-off-by: Daniel Mack <daniel@zonque.org> Acked-by: Daniel Vetter <daniel.vetter@ffwll.ch> --- drivers/gpu/drm/tiny/Kconfig | 13 ++ drivers/gpu/drm/tiny/Makefile | 1 + drivers/gpu/drm/tiny/ili9163.c | 224 +++++++++++++++++++++++++++++++++ 3 files changed, 238 insertions(+) create mode 100644 drivers/gpu/drm/tiny/ili9163.c diff --git a/drivers/gpu/drm/tiny/Kconfig b/drivers/gpu/drm/tiny/Kconfig index 2b6414f0fa759..9de0c0eeea6f5 100644 --- a/drivers/gpu/drm/tiny/Kconfig +++ b/drivers/gpu/drm/tiny/Kconfig @@ -41,6 +41,19 @@ config TINYDRM_HX8357D If M is selected the module will be called hx8357d. +config TINYDRM_ILI9163 + tristate "DRM support for ILI9163 display panels" + depends on DRM && SPI + select DRM_KMS_HELPER + select DRM_KMS_CMA_HELPER + select DRM_MIPI_DBI + select BACKLIGHT_CLASS_DEVICE + help + DRM driver for the following Ilitek ILI9163 panels: + * NHD-1.8-128160EF 128x160 TFT + + If M is selected the module will be called ili9163. + config TINYDRM_ILI9225 tristate "DRM support for ILI9225 display panels" depends on DRM && SPI diff --git a/drivers/gpu/drm/tiny/Makefile b/drivers/gpu/drm/tiny/Makefile index 6ae4e9e5a35fb..78016b2ed11b5 100644 --- a/drivers/gpu/drm/tiny/Makefile +++ b/drivers/gpu/drm/tiny/Makefile @@ -3,6 +3,7 @@ obj-$(CONFIG_DRM_CIRRUS_QEMU) += cirrus.o obj-$(CONFIG_DRM_GM12U320) += gm12u320.o obj-$(CONFIG_TINYDRM_HX8357D) += hx8357d.o +obj-$(CONFIG_TINYDRM_ILI9163) += ili9163.o obj-$(CONFIG_TINYDRM_ILI9225) += ili9225.o obj-$(CONFIG_TINYDRM_ILI9341) += ili9341.o obj-$(CONFIG_TINYDRM_ILI9486) += ili9486.o diff --git a/drivers/gpu/drm/tiny/ili9163.c b/drivers/gpu/drm/tiny/ili9163.c new file mode 100644 index 0000000000000..6fa9e59b69321 --- /dev/null +++ b/drivers/gpu/drm/tiny/ili9163.c @@ -0,0 +1,224 @@ +// SPDX-License-Identifier: GPL-2.0+ + +#include <linux/backlight.h> +#include <linux/delay.h> +#include <linux/gpio/consumer.h> +#include <linux/module.h> +#include <linux/property.h> +#include <linux/spi/spi.h> + +#include <drm/drm_atomic_helper.h> +#include <drm/drm_drv.h> +#include <drm/drm_fb_helper.h> +#include <drm/drm_gem_cma_helper.h> +#include <drm/drm_gem_framebuffer_helper.h> +#include <drm/drm_mipi_dbi.h> +#include <drm/drm_modeset_helper.h> +#include <video/mipi_display.h> + +#define ILI9163_FRMCTR1 0xb1 + +#define ILI9163_PWCTRL1 0xc0 +#define ILI9163_PWCTRL2 0xc1 +#define ILI9163_VMCTRL1 0xc5 +#define ILI9163_VMCTRL2 0xc7 +#define ILI9163_PWCTRLA 0xcb +#define ILI9163_PWCTRLB 0xcf + +#define ILI9163_EN3GAM 0xf2 + +#define ILI9163_MADCTL_BGR BIT(3) +#define ILI9163_MADCTL_MV BIT(5) +#define ILI9163_MADCTL_MX BIT(6) +#define ILI9163_MADCTL_MY BIT(7) + +static void yx240qv29_enable(struct drm_simple_display_pipe *pipe, + struct drm_crtc_state *crtc_state, + struct drm_plane_state *plane_state) +{ + struct mipi_dbi_dev *dbidev = drm_to_mipi_dbi_dev(pipe->crtc.dev); + struct mipi_dbi *dbi = &dbidev->dbi; + u8 addr_mode; + int ret, idx; + + if (!drm_dev_enter(pipe->crtc.dev, &idx)) + return; + + drm_dbg_kms(&dbidev->drm, "\n"); + + ret = mipi_dbi_poweron_conditional_reset(dbidev); + if (ret < 0) + goto out_exit; + if (ret == 1) + goto out_enable; + + /* Gamma */ + mipi_dbi_command(dbi, MIPI_DCS_SET_GAMMA_CURVE, 0x04); + mipi_dbi_command(dbi, ILI9163_EN3GAM, 0x00); + + /* Frame Rate */ + mipi_dbi_command(dbi, ILI9163_FRMCTR1, 0x0a, 0x14); + + /* Power Control */ + mipi_dbi_command(dbi, ILI9163_PWCTRL1, 0x0a, 0x00); + mipi_dbi_command(dbi, ILI9163_PWCTRL2, 0x02); + + /* VCOM */ + mipi_dbi_command(dbi, ILI9163_VMCTRL1, 0x2f, 0x3e); + mipi_dbi_command(dbi, ILI9163_VMCTRL2, 0x40); + + /* Memory Access Control */ + mipi_dbi_command(dbi, MIPI_DCS_SET_PIXEL_FORMAT, MIPI_DCS_PIXEL_FMT_16BIT); + + mipi_dbi_command(dbi, MIPI_DCS_EXIT_SLEEP_MODE); + msleep(100); + + mipi_dbi_command(dbi, MIPI_DCS_SET_DISPLAY_ON); + msleep(100); + +out_enable: + switch (dbidev->rotation) { + default: + addr_mode = 0; + break; + case 90: + addr_mode = ILI9163_MADCTL_MV | ILI9163_MADCTL_MX; + break; + case 180: + addr_mode = ILI9163_MADCTL_MX | ILI9163_MADCTL_MY; + break; + case 270: + addr_mode = ILI9163_MADCTL_MV | ILI9163_MADCTL_MY; + break; + } + addr_mode |= ILI9163_MADCTL_BGR; + mipi_dbi_command(dbi, MIPI_DCS_SET_ADDRESS_MODE, addr_mode); + mipi_dbi_enable_flush(dbidev, crtc_state, plane_state); +out_exit: + drm_dev_exit(idx); +} + +static const struct drm_simple_display_pipe_funcs ili9163_pipe_funcs = { + .enable = yx240qv29_enable, + .disable = mipi_dbi_pipe_disable, + .update = mipi_dbi_pipe_update, + .prepare_fb = drm_gem_fb_simple_display_pipe_prepare_fb, +}; + +static const struct drm_display_mode yx240qv29_mode = { + DRM_SIMPLE_MODE(128, 160, 28, 35), +}; + +DEFINE_DRM_GEM_CMA_FOPS(ili9163_fops); + +static struct drm_driver ili9163_driver = { + DRM_GEM_CMA_DRIVER_OPS_VMAP, + .date = "20210208", + .debugfs_init = mipi_dbi_debugfs_init, + .desc = "Ilitek ILI9163", + .driver_features = DRIVER_GEM | DRIVER_MODESET | DRIVER_ATOMIC, + .fops = &ili9163_fops, + .major = 1, + .minor = 0, + .name = "ili9163", +}; + +static const struct of_device_id ili9163_of_match[] = { + { .compatible = "newhaven,1.8-128160EF" }, + { } +}; +MODULE_DEVICE_TABLE(of, ili9163_of_match); + +static const struct spi_device_id ili9163_id[] = { + { "nhd-1.8-128160EF", 0 }, + { } +}; +MODULE_DEVICE_TABLE(spi, ili9163_id); + +static int ili9163_probe(struct spi_device *spi) +{ + struct device *dev = &spi->dev; + struct mipi_dbi_dev *dbidev; + struct drm_device *drm; + struct mipi_dbi *dbi; + struct gpio_desc *dc; + u32 rotation = 0; + int ret; + + dbidev = devm_drm_dev_alloc(dev, &ili9163_driver, + struct mipi_dbi_dev, drm); + if (IS_ERR(dbidev)) + return PTR_ERR(dbidev); + + dbi = &dbidev->dbi; + drm = &dbidev->drm; + + dbi->reset = devm_gpiod_get_optional(dev, "reset", GPIOD_OUT_HIGH); + if (IS_ERR(dbi->reset)) { + drm_err(drm, "Failed to get gpio 'reset'\n"); + return PTR_ERR(dbi->reset); + } + + dc = devm_gpiod_get_optional(dev, "dc", GPIOD_OUT_LOW); + if (IS_ERR(dc)) { + drm_err(drm, "Failed to get gpio 'dc'\n"); + return PTR_ERR(dc); + } + + dbidev->backlight = devm_of_find_backlight(dev); + if (IS_ERR(dbidev->backlight)) + return PTR_ERR(dbidev->backlight); + + device_property_read_u32(dev, "rotation", &rotation); + + ret = mipi_dbi_spi_init(spi, dbi, dc); + if (ret) + return ret; + + ret = mipi_dbi_dev_init(dbidev, &ili9163_pipe_funcs, &yx240qv29_mode, rotation); + if (ret) + return ret; + + drm_mode_config_reset(drm); + + ret = drm_dev_register(drm, 0); + if (ret) + return ret; + + drm_fbdev_generic_setup(drm, 0); + + spi_set_drvdata(spi, drm); + + return 0; +} + +static int ili9163_remove(struct spi_device *spi) +{ + struct drm_device *drm = spi_get_drvdata(spi); + + drm_dev_unplug(drm); + drm_atomic_helper_shutdown(drm); + + return 0; +} + +static void ili9163_shutdown(struct spi_device *spi) +{ + drm_atomic_helper_shutdown(spi_get_drvdata(spi)); +} + +static struct spi_driver ili9163_spi_driver = { + .driver = { + .name = "ili9163", + .of_match_table = ili9163_of_match, + }, + .id_table = ili9163_id, + .probe = ili9163_probe, + .remove = ili9163_remove, + .shutdown = ili9163_shutdown, +}; +module_spi_driver(ili9163_spi_driver); + +MODULE_DESCRIPTION("Ilitek ILI9163 DRM driver"); +MODULE_AUTHOR("Daniel Mack <daniel@zonque.org>"); +MODULE_LICENSE("GPL"); -- 2.29.2 ^ permalink raw reply related [flat|nested] 8+ messages in thread
* [PATCH v3 2/2] drm/tiny: add driver for newhaven,1.8-128160EF @ 2021-03-22 9:52 ` Daniel Mack 0 siblings, 0 replies; 8+ messages in thread From: Daniel Mack @ 2021-03-22 9:52 UTC (permalink / raw) To: airlied, daniel Cc: devicetree, robh+dt, Daniel Mack, dri-devel, Daniel Vetter This patch adds support for Newhaven's NHD-1.8-128160EF display, featuring an Ilitek ILI9163 controller. Signed-off-by: Daniel Mack <daniel@zonque.org> Acked-by: Daniel Vetter <daniel.vetter@ffwll.ch> --- drivers/gpu/drm/tiny/Kconfig | 13 ++ drivers/gpu/drm/tiny/Makefile | 1 + drivers/gpu/drm/tiny/ili9163.c | 224 +++++++++++++++++++++++++++++++++ 3 files changed, 238 insertions(+) create mode 100644 drivers/gpu/drm/tiny/ili9163.c diff --git a/drivers/gpu/drm/tiny/Kconfig b/drivers/gpu/drm/tiny/Kconfig index 2b6414f0fa759..9de0c0eeea6f5 100644 --- a/drivers/gpu/drm/tiny/Kconfig +++ b/drivers/gpu/drm/tiny/Kconfig @@ -41,6 +41,19 @@ config TINYDRM_HX8357D If M is selected the module will be called hx8357d. +config TINYDRM_ILI9163 + tristate "DRM support for ILI9163 display panels" + depends on DRM && SPI + select DRM_KMS_HELPER + select DRM_KMS_CMA_HELPER + select DRM_MIPI_DBI + select BACKLIGHT_CLASS_DEVICE + help + DRM driver for the following Ilitek ILI9163 panels: + * NHD-1.8-128160EF 128x160 TFT + + If M is selected the module will be called ili9163. + config TINYDRM_ILI9225 tristate "DRM support for ILI9225 display panels" depends on DRM && SPI diff --git a/drivers/gpu/drm/tiny/Makefile b/drivers/gpu/drm/tiny/Makefile index 6ae4e9e5a35fb..78016b2ed11b5 100644 --- a/drivers/gpu/drm/tiny/Makefile +++ b/drivers/gpu/drm/tiny/Makefile @@ -3,6 +3,7 @@ obj-$(CONFIG_DRM_CIRRUS_QEMU) += cirrus.o obj-$(CONFIG_DRM_GM12U320) += gm12u320.o obj-$(CONFIG_TINYDRM_HX8357D) += hx8357d.o +obj-$(CONFIG_TINYDRM_ILI9163) += ili9163.o obj-$(CONFIG_TINYDRM_ILI9225) += ili9225.o obj-$(CONFIG_TINYDRM_ILI9341) += ili9341.o obj-$(CONFIG_TINYDRM_ILI9486) += ili9486.o diff --git a/drivers/gpu/drm/tiny/ili9163.c b/drivers/gpu/drm/tiny/ili9163.c new file mode 100644 index 0000000000000..6fa9e59b69321 --- /dev/null +++ b/drivers/gpu/drm/tiny/ili9163.c @@ -0,0 +1,224 @@ +// SPDX-License-Identifier: GPL-2.0+ + +#include <linux/backlight.h> +#include <linux/delay.h> +#include <linux/gpio/consumer.h> +#include <linux/module.h> +#include <linux/property.h> +#include <linux/spi/spi.h> + +#include <drm/drm_atomic_helper.h> +#include <drm/drm_drv.h> +#include <drm/drm_fb_helper.h> +#include <drm/drm_gem_cma_helper.h> +#include <drm/drm_gem_framebuffer_helper.h> +#include <drm/drm_mipi_dbi.h> +#include <drm/drm_modeset_helper.h> +#include <video/mipi_display.h> + +#define ILI9163_FRMCTR1 0xb1 + +#define ILI9163_PWCTRL1 0xc0 +#define ILI9163_PWCTRL2 0xc1 +#define ILI9163_VMCTRL1 0xc5 +#define ILI9163_VMCTRL2 0xc7 +#define ILI9163_PWCTRLA 0xcb +#define ILI9163_PWCTRLB 0xcf + +#define ILI9163_EN3GAM 0xf2 + +#define ILI9163_MADCTL_BGR BIT(3) +#define ILI9163_MADCTL_MV BIT(5) +#define ILI9163_MADCTL_MX BIT(6) +#define ILI9163_MADCTL_MY BIT(7) + +static void yx240qv29_enable(struct drm_simple_display_pipe *pipe, + struct drm_crtc_state *crtc_state, + struct drm_plane_state *plane_state) +{ + struct mipi_dbi_dev *dbidev = drm_to_mipi_dbi_dev(pipe->crtc.dev); + struct mipi_dbi *dbi = &dbidev->dbi; + u8 addr_mode; + int ret, idx; + + if (!drm_dev_enter(pipe->crtc.dev, &idx)) + return; + + drm_dbg_kms(&dbidev->drm, "\n"); + + ret = mipi_dbi_poweron_conditional_reset(dbidev); + if (ret < 0) + goto out_exit; + if (ret == 1) + goto out_enable; + + /* Gamma */ + mipi_dbi_command(dbi, MIPI_DCS_SET_GAMMA_CURVE, 0x04); + mipi_dbi_command(dbi, ILI9163_EN3GAM, 0x00); + + /* Frame Rate */ + mipi_dbi_command(dbi, ILI9163_FRMCTR1, 0x0a, 0x14); + + /* Power Control */ + mipi_dbi_command(dbi, ILI9163_PWCTRL1, 0x0a, 0x00); + mipi_dbi_command(dbi, ILI9163_PWCTRL2, 0x02); + + /* VCOM */ + mipi_dbi_command(dbi, ILI9163_VMCTRL1, 0x2f, 0x3e); + mipi_dbi_command(dbi, ILI9163_VMCTRL2, 0x40); + + /* Memory Access Control */ + mipi_dbi_command(dbi, MIPI_DCS_SET_PIXEL_FORMAT, MIPI_DCS_PIXEL_FMT_16BIT); + + mipi_dbi_command(dbi, MIPI_DCS_EXIT_SLEEP_MODE); + msleep(100); + + mipi_dbi_command(dbi, MIPI_DCS_SET_DISPLAY_ON); + msleep(100); + +out_enable: + switch (dbidev->rotation) { + default: + addr_mode = 0; + break; + case 90: + addr_mode = ILI9163_MADCTL_MV | ILI9163_MADCTL_MX; + break; + case 180: + addr_mode = ILI9163_MADCTL_MX | ILI9163_MADCTL_MY; + break; + case 270: + addr_mode = ILI9163_MADCTL_MV | ILI9163_MADCTL_MY; + break; + } + addr_mode |= ILI9163_MADCTL_BGR; + mipi_dbi_command(dbi, MIPI_DCS_SET_ADDRESS_MODE, addr_mode); + mipi_dbi_enable_flush(dbidev, crtc_state, plane_state); +out_exit: + drm_dev_exit(idx); +} + +static const struct drm_simple_display_pipe_funcs ili9163_pipe_funcs = { + .enable = yx240qv29_enable, + .disable = mipi_dbi_pipe_disable, + .update = mipi_dbi_pipe_update, + .prepare_fb = drm_gem_fb_simple_display_pipe_prepare_fb, +}; + +static const struct drm_display_mode yx240qv29_mode = { + DRM_SIMPLE_MODE(128, 160, 28, 35), +}; + +DEFINE_DRM_GEM_CMA_FOPS(ili9163_fops); + +static struct drm_driver ili9163_driver = { + DRM_GEM_CMA_DRIVER_OPS_VMAP, + .date = "20210208", + .debugfs_init = mipi_dbi_debugfs_init, + .desc = "Ilitek ILI9163", + .driver_features = DRIVER_GEM | DRIVER_MODESET | DRIVER_ATOMIC, + .fops = &ili9163_fops, + .major = 1, + .minor = 0, + .name = "ili9163", +}; + +static const struct of_device_id ili9163_of_match[] = { + { .compatible = "newhaven,1.8-128160EF" }, + { } +}; +MODULE_DEVICE_TABLE(of, ili9163_of_match); + +static const struct spi_device_id ili9163_id[] = { + { "nhd-1.8-128160EF", 0 }, + { } +}; +MODULE_DEVICE_TABLE(spi, ili9163_id); + +static int ili9163_probe(struct spi_device *spi) +{ + struct device *dev = &spi->dev; + struct mipi_dbi_dev *dbidev; + struct drm_device *drm; + struct mipi_dbi *dbi; + struct gpio_desc *dc; + u32 rotation = 0; + int ret; + + dbidev = devm_drm_dev_alloc(dev, &ili9163_driver, + struct mipi_dbi_dev, drm); + if (IS_ERR(dbidev)) + return PTR_ERR(dbidev); + + dbi = &dbidev->dbi; + drm = &dbidev->drm; + + dbi->reset = devm_gpiod_get_optional(dev, "reset", GPIOD_OUT_HIGH); + if (IS_ERR(dbi->reset)) { + drm_err(drm, "Failed to get gpio 'reset'\n"); + return PTR_ERR(dbi->reset); + } + + dc = devm_gpiod_get_optional(dev, "dc", GPIOD_OUT_LOW); + if (IS_ERR(dc)) { + drm_err(drm, "Failed to get gpio 'dc'\n"); + return PTR_ERR(dc); + } + + dbidev->backlight = devm_of_find_backlight(dev); + if (IS_ERR(dbidev->backlight)) + return PTR_ERR(dbidev->backlight); + + device_property_read_u32(dev, "rotation", &rotation); + + ret = mipi_dbi_spi_init(spi, dbi, dc); + if (ret) + return ret; + + ret = mipi_dbi_dev_init(dbidev, &ili9163_pipe_funcs, &yx240qv29_mode, rotation); + if (ret) + return ret; + + drm_mode_config_reset(drm); + + ret = drm_dev_register(drm, 0); + if (ret) + return ret; + + drm_fbdev_generic_setup(drm, 0); + + spi_set_drvdata(spi, drm); + + return 0; +} + +static int ili9163_remove(struct spi_device *spi) +{ + struct drm_device *drm = spi_get_drvdata(spi); + + drm_dev_unplug(drm); + drm_atomic_helper_shutdown(drm); + + return 0; +} + +static void ili9163_shutdown(struct spi_device *spi) +{ + drm_atomic_helper_shutdown(spi_get_drvdata(spi)); +} + +static struct spi_driver ili9163_spi_driver = { + .driver = { + .name = "ili9163", + .of_match_table = ili9163_of_match, + }, + .id_table = ili9163_id, + .probe = ili9163_probe, + .remove = ili9163_remove, + .shutdown = ili9163_shutdown, +}; +module_spi_driver(ili9163_spi_driver); + +MODULE_DESCRIPTION("Ilitek ILI9163 DRM driver"); +MODULE_AUTHOR("Daniel Mack <daniel@zonque.org>"); +MODULE_LICENSE("GPL"); -- 2.29.2 _______________________________________________ dri-devel mailing list dri-devel@lists.freedesktop.org https://lists.freedesktop.org/mailman/listinfo/dri-devel ^ permalink raw reply related [flat|nested] 8+ messages in thread
end of thread, other threads:[~2021-03-22 17:39 UTC | newest] Thread overview: 8+ messages (download: mbox.gz / follow: Atom feed) -- links below jump to the message on this page -- 2021-03-22 9:52 [PATCH v3 0/2] gpu: drm: add driver for ili9361 panel Daniel Mack 2021-03-22 9:52 ` Daniel Mack 2021-03-22 9:52 ` [PATCH v3 1/2] dt-bindings: display: add bindings for newhaven,1.8-128160EF Daniel Mack 2021-03-22 9:52 ` [PATCH v3 1/2] dt-bindings: display: add bindings for newhaven, 1.8-128160EF Daniel Mack 2021-03-22 17:38 ` Rob Herring 2021-03-22 17:38 ` Rob Herring 2021-03-22 9:52 ` [PATCH v3 2/2] drm/tiny: add driver for newhaven,1.8-128160EF Daniel Mack 2021-03-22 9:52 ` Daniel Mack
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