[V5,3/3] drm/panel: Add NewVision NV3051D MIPI-DSI LCD panel

Message ID	20221111203130.9615-4-macroalpha82@gmail.com (mailing list archive)
State	New, archived
Headers	show Return-Path: <dri-devel-bounces@lists.freedesktop.org> From: Chris Morgan <macroalpha82@gmail.com> To: dri-devel@lists.freedesktop.org Subject: [PATCH V5 3/3] drm/panel: Add NewVision NV3051D MIPI-DSI LCD panel Date: Fri, 11 Nov 2022 14:31:30 -0600 Message-Id: <20221111203130.9615-4-macroalpha82@gmail.com> In-Reply-To: <20221111203130.9615-1-macroalpha82@gmail.com> References: <20221111203130.9615-1-macroalpha82@gmail.com> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Precedence: list Cc: devicetree@vger.kernel.org, krzysztof.kozlowski+dt@linaro.org, sam@ravnborg.org, Chris Morgan <macromorgan@hotmail.com>, robh+dt@kernel.org, thierry.reding@gmail.com Errors-To: dri-devel-bounces@lists.freedesktop.org Sender: "dri-devel" <dri-devel-bounces@lists.freedesktop.org>
Series	drm/panel: Add NewVision NV3051D Panels \| expand [V5,0/3] drm/panel: Add NewVision NV3051D Panels [V5,1/3] dt-bindings: vendor-prefixes: add NewVision vendor prefix [V5,2/3] dt-bindings: display: panel: Add NewVision NV3051D bindings [V5,3/3] drm/panel: Add NewVision NV3051D MIPI-DSI LCD panel

diff --git a/drivers/gpu/drm/panel/Kconfig b/drivers/gpu/drm/panel/Kconfig index a582ddd583c2..427c22bdbfb3 100644 --- a/drivers/gpu/drm/panel/Kconfig +++ b/drivers/gpu/drm/panel/Kconfig @@ -296,6 +296,15 @@ config DRM_PANEL_NEC_NL8048HL11 panel (found on the Zoom2/3/3630 SDP boards). To compile this driver as a module, choose M here. +config DRM_PANEL_NEWVISION_NV3051D + tristate "NewVision NV3051D DSI panel" + depends on OF + depends on DRM_MIPI_DSI + depends on BACKLIGHT_CLASS_DEVICE + help + This driver supports the NV3051D based panel found on the Anbernic + RG353P and RG353V. + config DRM_PANEL_NEWVISION_NV3052C tristate "NewVision NV3052C RGB/SPI panel" depends on OF && SPI diff --git a/drivers/gpu/drm/panel/Makefile b/drivers/gpu/drm/panel/Makefile index 34e717382dbb..cb03b3a82738 100644 --- a/drivers/gpu/drm/panel/Makefile +++ b/drivers/gpu/drm/panel/Makefile @@ -27,6 +27,7 @@ obj-$(CONFIG_DRM_PANEL_LEADTEK_LTK500HD1829) += panel-leadtek-ltk500hd1829.o obj-$(CONFIG_DRM_PANEL_LG_LB035Q02) += panel-lg-lb035q02.o obj-$(CONFIG_DRM_PANEL_LG_LG4573) += panel-lg-lg4573.o obj-$(CONFIG_DRM_PANEL_NEC_NL8048HL11) += panel-nec-nl8048hl11.o +obj-$(CONFIG_DRM_PANEL_NEWVISION_NV3051D) += panel-newvision-nv3051d.o obj-$(CONFIG_DRM_PANEL_NEWVISION_NV3052C) += panel-newvision-nv3052c.o obj-$(CONFIG_DRM_PANEL_NOVATEK_NT35510) += panel-novatek-nt35510.o obj-$(CONFIG_DRM_PANEL_NOVATEK_NT35560) += panel-novatek-nt35560.o diff --git a/drivers/gpu/drm/panel/panel-newvision-nv3051d.c b/drivers/gpu/drm/panel/panel-newvision-nv3051d.c new file mode 100644 index 000000000000..305b2aae059f --- /dev/null +++ b/drivers/gpu/drm/panel/panel-newvision-nv3051d.c @@ -0,0 +1,504 @@ +// SPDX-License-Identifier: GPL-2.0 +/* + * NV3051D MIPI-DSI panel driver for Anbernic RG353x + * Copyright (C) 2022 Chris Morgan + * + * based on + * + * Elida kd35t133 3.5" MIPI-DSI panel driver + * Copyright (C) Theobroma Systems 2020 + */ + +#include <linux/delay.h> +#include <linux/gpio/consumer.h> +#include <linux/media-bus-format.h> +#include <linux/module.h> +#include <linux/of_device.h> +#include <linux/regulator/consumer.h> + +#include <video/display_timing.h> +#include <video/mipi_display.h> + +#include <drm/drm_mipi_dsi.h> +#include <drm/drm_modes.h> +#include <drm/drm_panel.h> + +struct nv3051d_panel_info { + const struct drm_display_mode *display_modes; + unsigned int num_modes; + u16 width_mm, height_mm; + u32 bus_flags; +}; + +struct panel_nv3051d { + struct device *dev; + struct drm_panel panel; + struct gpio_desc *reset_gpio; + const struct nv3051d_panel_info *panel_info; + struct regulator *vdd; +}; + +static inline struct panel_nv3051d *panel_to_panelnv3051d(struct drm_panel *panel) +{ + return container_of(panel, struct panel_nv3051d, panel); +} + +static int panel_nv3051d_init_sequence(struct panel_nv3051d *ctx) +{ + struct mipi_dsi_device *dsi = to_mipi_dsi_device(ctx->dev); + + /* + * Init sequence was supplied by device vendor with no + * documentation. + */ + + mipi_dsi_dcs_write_seq(dsi, 0xFF, 0x30); + mipi_dsi_dcs_write_seq(dsi, 0xFF, 0x52); + mipi_dsi_dcs_write_seq(dsi, 0xFF, 0x01); + mipi_dsi_dcs_write_seq(dsi, 0xE3, 0x00); + mipi_dsi_dcs_write_seq(dsi, 0x03, 0x40); + mipi_dsi_dcs_write_seq(dsi, 0x04, 0x00); + mipi_dsi_dcs_write_seq(dsi, 0x05, 0x03); + mipi_dsi_dcs_write_seq(dsi, 0x24, 0x12); + mipi_dsi_dcs_write_seq(dsi, 0x25, 0x1E); + mipi_dsi_dcs_write_seq(dsi, 0x26, 0x28); + mipi_dsi_dcs_write_seq(dsi, 0x27, 0x52); + mipi_dsi_dcs_write_seq(dsi, 0x28, 0x57); + mipi_dsi_dcs_write_seq(dsi, 0x29, 0x01); + mipi_dsi_dcs_write_seq(dsi, 0x2A, 0xDF); + mipi_dsi_dcs_write_seq(dsi, 0x38, 0x9C); + mipi_dsi_dcs_write_seq(dsi, 0x39, 0xA7); + mipi_dsi_dcs_write_seq(dsi, 0x3A, 0x53); + mipi_dsi_dcs_write_seq(dsi, 0x44, 0x00); + mipi_dsi_dcs_write_seq(dsi, 0x49, 0x3C); + mipi_dsi_dcs_write_seq(dsi, 0x59, 0xFE); + mipi_dsi_dcs_write_seq(dsi, 0x5C, 0x00); + mipi_dsi_dcs_write_seq(dsi, 0x91, 0x77); + mipi_dsi_dcs_write_seq(dsi, 0x92, 0x77); + mipi_dsi_dcs_write_seq(dsi, 0xA0, 0x55); + mipi_dsi_dcs_write_seq(dsi, 0xA1, 0x50); + mipi_dsi_dcs_write_seq(dsi, 0xA4, 0x9C); + mipi_dsi_dcs_write_seq(dsi, 0xA7, 0x02); + mipi_dsi_dcs_write_seq(dsi, 0xA8, 0x01); + mipi_dsi_dcs_write_seq(dsi, 0xA9, 0x01); + mipi_dsi_dcs_write_seq(dsi, 0xAA, 0xFC); + mipi_dsi_dcs_write_seq(dsi, 0xAB, 0x28); + mipi_dsi_dcs_write_seq(dsi, 0xAC, 0x06); + mipi_dsi_dcs_write_seq(dsi, 0xAD, 0x06); + mipi_dsi_dcs_write_seq(dsi, 0xAE, 0x06); + mipi_dsi_dcs_write_seq(dsi, 0xAF, 0x03); + mipi_dsi_dcs_write_seq(dsi, 0xB0, 0x08); + mipi_dsi_dcs_write_seq(dsi, 0xB1, 0x26); + mipi_dsi_dcs_write_seq(dsi, 0xB2, 0x28); + mipi_dsi_dcs_write_seq(dsi, 0xB3, 0x28); + mipi_dsi_dcs_write_seq(dsi, 0xB4, 0x33); + mipi_dsi_dcs_write_seq(dsi, 0xB5, 0x08); + mipi_dsi_dcs_write_seq(dsi, 0xB6, 0x26); + mipi_dsi_dcs_write_seq(dsi, 0xB7, 0x08); + mipi_dsi_dcs_write_seq(dsi, 0xB8, 0x26); + mipi_dsi_dcs_write_seq(dsi, 0xFF, 0x30); + mipi_dsi_dcs_write_seq(dsi, 0xFF, 0x52); + mipi_dsi_dcs_write_seq(dsi, 0xFF, 0x02); + mipi_dsi_dcs_write_seq(dsi, 0xB1, 0x0E); + mipi_dsi_dcs_write_seq(dsi, 0xD1, 0x0E); + mipi_dsi_dcs_write_seq(dsi, 0xB4, 0x29); + mipi_dsi_dcs_write_seq(dsi, 0xD4, 0x2B); + mipi_dsi_dcs_write_seq(dsi, 0xB2, 0x0C); + mipi_dsi_dcs_write_seq(dsi, 0xD2, 0x0A); + mipi_dsi_dcs_write_seq(dsi, 0xB3, 0x28); + mipi_dsi_dcs_write_seq(dsi, 0xD3, 0x28); + mipi_dsi_dcs_write_seq(dsi, 0xB6, 0x11); + mipi_dsi_dcs_write_seq(dsi, 0xD6, 0x0D); + mipi_dsi_dcs_write_seq(dsi, 0xB7, 0x32); + mipi_dsi_dcs_write_seq(dsi, 0xD7, 0x30); + mipi_dsi_dcs_write_seq(dsi, 0xC1, 0x04); + mipi_dsi_dcs_write_seq(dsi, 0xE1, 0x06); + mipi_dsi_dcs_write_seq(dsi, 0xB8, 0x0A); + mipi_dsi_dcs_write_seq(dsi, 0xD8, 0x0A); + mipi_dsi_dcs_write_seq(dsi, 0xB9, 0x01); + mipi_dsi_dcs_write_seq(dsi, 0xD9, 0x01); + mipi_dsi_dcs_write_seq(dsi, 0xBD, 0x13); + mipi_dsi_dcs_write_seq(dsi, 0xDD, 0x13); + mipi_dsi_dcs_write_seq(dsi, 0xBC, 0x11); + mipi_dsi_dcs_write_seq(dsi, 0xDC, 0x11); + mipi_dsi_dcs_write_seq(dsi, 0xBB, 0x0F); + mipi_dsi_dcs_write_seq(dsi, 0xDB, 0x0F); + mipi_dsi_dcs_write_seq(dsi, 0xBA, 0x0F); + mipi_dsi_dcs_write_seq(dsi, 0xDA, 0x0F); + mipi_dsi_dcs_write_seq(dsi, 0xBE, 0x18); + mipi_dsi_dcs_write_seq(dsi, 0xDE, 0x18); + mipi_dsi_dcs_write_seq(dsi, 0xBF, 0x0F); + mipi_dsi_dcs_write_seq(dsi, 0xDF, 0x0F); + mipi_dsi_dcs_write_seq(dsi, 0xC0, 0x17); + mipi_dsi_dcs_write_seq(dsi, 0xE0, 0x17); + mipi_dsi_dcs_write_seq(dsi, 0xB5, 0x3B); + mipi_dsi_dcs_write_seq(dsi, 0xD5, 0x3C); + mipi_dsi_dcs_write_seq(dsi, 0xB0, 0x0B); + mipi_dsi_dcs_write_seq(dsi, 0xD0, 0x0C); + mipi_dsi_dcs_write_seq(dsi, 0xFF, 0x30); + mipi_dsi_dcs_write_seq(dsi, 0xFF, 0x52); + mipi_dsi_dcs_write_seq(dsi, 0xFF, 0x03); + mipi_dsi_dcs_write_seq(dsi, 0x00, 0x2A); + mipi_dsi_dcs_write_seq(dsi, 0x01, 0x2A); + mipi_dsi_dcs_write_seq(dsi, 0x02, 0x2A); + mipi_dsi_dcs_write_seq(dsi, 0x03, 0x2A); + mipi_dsi_dcs_write_seq(dsi, 0x04, 0x61); + mipi_dsi_dcs_write_seq(dsi, 0x05, 0x80); + mipi_dsi_dcs_write_seq(dsi, 0x06, 0xC7); + mipi_dsi_dcs_write_seq(dsi, 0x07, 0x01); + mipi_dsi_dcs_write_seq(dsi, 0x08, 0x82); + mipi_dsi_dcs_write_seq(dsi, 0x09, 0x83); + mipi_dsi_dcs_write_seq(dsi, 0x30, 0x2A); + mipi_dsi_dcs_write_seq(dsi, 0x31, 0x2A); + mipi_dsi_dcs_write_seq(dsi, 0x32, 0x2A); + mipi_dsi_dcs_write_seq(dsi, 0x33, 0x2A); + mipi_dsi_dcs_write_seq(dsi, 0x34, 0x61); + mipi_dsi_dcs_write_seq(dsi, 0x35, 0xC5); + mipi_dsi_dcs_write_seq(dsi, 0x36, 0x80); + mipi_dsi_dcs_write_seq(dsi, 0x37, 0x23); + mipi_dsi_dcs_write_seq(dsi, 0x40, 0x82); + mipi_dsi_dcs_write_seq(dsi, 0x41, 0x83); + mipi_dsi_dcs_write_seq(dsi, 0x42, 0x80); + mipi_dsi_dcs_write_seq(dsi, 0x43, 0x81); + mipi_dsi_dcs_write_seq(dsi, 0x44, 0x11); + mipi_dsi_dcs_write_seq(dsi, 0x45, 0xF2); + mipi_dsi_dcs_write_seq(dsi, 0x46, 0xF1); + mipi_dsi_dcs_write_seq(dsi, 0x47, 0x11); + mipi_dsi_dcs_write_seq(dsi, 0x48, 0xF4); + mipi_dsi_dcs_write_seq(dsi, 0x49, 0xF3); + mipi_dsi_dcs_write_seq(dsi, 0x50, 0x02); + mipi_dsi_dcs_write_seq(dsi, 0x51, 0x01); + mipi_dsi_dcs_write_seq(dsi, 0x52, 0x04); + mipi_dsi_dcs_write_seq(dsi, 0x53, 0x03); + mipi_dsi_dcs_write_seq(dsi, 0x54, 0x11); + mipi_dsi_dcs_write_seq(dsi, 0x55, 0xF6); + mipi_dsi_dcs_write_seq(dsi, 0x56, 0xF5); + mipi_dsi_dcs_write_seq(dsi, 0x57, 0x11); + mipi_dsi_dcs_write_seq(dsi, 0x58, 0xF8); + mipi_dsi_dcs_write_seq(dsi, 0x59, 0xF7); + mipi_dsi_dcs_write_seq(dsi, 0x7E, 0x02); + mipi_dsi_dcs_write_seq(dsi, 0x7F, 0x80); + mipi_dsi_dcs_write_seq(dsi, 0xE0, 0x5A); + mipi_dsi_dcs_write_seq(dsi, 0xB1, 0x00); + mipi_dsi_dcs_write_seq(dsi, 0xB4, 0x0E); + mipi_dsi_dcs_write_seq(dsi, 0xB5, 0x0F); + mipi_dsi_dcs_write_seq(dsi, 0xB6, 0x04); + mipi_dsi_dcs_write_seq(dsi, 0xB7, 0x07); + mipi_dsi_dcs_write_seq(dsi, 0xB8, 0x06); + mipi_dsi_dcs_write_seq(dsi, 0xB9, 0x05); + mipi_dsi_dcs_write_seq(dsi, 0xBA, 0x0F); + mipi_dsi_dcs_write_seq(dsi, 0xC7, 0x00); + mipi_dsi_dcs_write_seq(dsi, 0xCA, 0x0E); + mipi_dsi_dcs_write_seq(dsi, 0xCB, 0x0F); + mipi_dsi_dcs_write_seq(dsi, 0xCC, 0x04); + mipi_dsi_dcs_write_seq(dsi, 0xCD, 0x07); + mipi_dsi_dcs_write_seq(dsi, 0xCE, 0x06); + mipi_dsi_dcs_write_seq(dsi, 0xCF, 0x05); + mipi_dsi_dcs_write_seq(dsi, 0xD0, 0x0F); + mipi_dsi_dcs_write_seq(dsi, 0x81, 0x0F); + mipi_dsi_dcs_write_seq(dsi, 0x84, 0x0E); + mipi_dsi_dcs_write_seq(dsi, 0x85, 0x0F); + mipi_dsi_dcs_write_seq(dsi, 0x86, 0x07); + mipi_dsi_dcs_write_seq(dsi, 0x87, 0x04); + mipi_dsi_dcs_write_seq(dsi, 0x88, 0x05); + mipi_dsi_dcs_write_seq(dsi, 0x89, 0x06); + mipi_dsi_dcs_write_seq(dsi, 0x8A, 0x00); + mipi_dsi_dcs_write_seq(dsi, 0x97, 0x0F); + mipi_dsi_dcs_write_seq(dsi, 0x9A, 0x0E); + mipi_dsi_dcs_write_seq(dsi, 0x9B, 0x0F); + mipi_dsi_dcs_write_seq(dsi, 0x9C, 0x07); + mipi_dsi_dcs_write_seq(dsi, 0x9D, 0x04); + mipi_dsi_dcs_write_seq(dsi, 0x9E, 0x05); + mipi_dsi_dcs_write_seq(dsi, 0x9F, 0x06); + mipi_dsi_dcs_write_seq(dsi, 0xA0, 0x00); + mipi_dsi_dcs_write_seq(dsi, 0xFF, 0x30); + mipi_dsi_dcs_write_seq(dsi, 0xFF, 0x52); + mipi_dsi_dcs_write_seq(dsi, 0xFF, 0x02); + mipi_dsi_dcs_write_seq(dsi, 0x01, 0x01); + mipi_dsi_dcs_write_seq(dsi, 0x02, 0xDA); + mipi_dsi_dcs_write_seq(dsi, 0x03, 0xBA); + mipi_dsi_dcs_write_seq(dsi, 0x04, 0xA8); + mipi_dsi_dcs_write_seq(dsi, 0x05, 0x9A); + mipi_dsi_dcs_write_seq(dsi, 0x06, 0x70); + mipi_dsi_dcs_write_seq(dsi, 0x07, 0xFF); + mipi_dsi_dcs_write_seq(dsi, 0x08, 0x91); + mipi_dsi_dcs_write_seq(dsi, 0x09, 0x90); + mipi_dsi_dcs_write_seq(dsi, 0x0A, 0xFF); + mipi_dsi_dcs_write_seq(dsi, 0x0B, 0x8F); + mipi_dsi_dcs_write_seq(dsi, 0x0C, 0x60); + mipi_dsi_dcs_write_seq(dsi, 0x0D, 0x58); + mipi_dsi_dcs_write_seq(dsi, 0x0E, 0x48); + mipi_dsi_dcs_write_seq(dsi, 0x0F, 0x38); + mipi_dsi_dcs_write_seq(dsi, 0x10, 0x2B); + mipi_dsi_dcs_write_seq(dsi, 0xFF, 0x30); + mipi_dsi_dcs_write_seq(dsi, 0xFF, 0x52); + mipi_dsi_dcs_write_seq(dsi, 0xFF, 0x00); + mipi_dsi_dcs_write_seq(dsi, 0x36, 0x02); + mipi_dsi_dcs_write_seq(dsi, 0x3A, 0x70); + + dev_dbg(ctx->dev, "Panel init sequence done\n"); + + return 0; +} + +static int panel_nv3051d_unprepare(struct drm_panel *panel) +{ + struct panel_nv3051d *ctx = panel_to_panelnv3051d(panel); + struct mipi_dsi_device *dsi = to_mipi_dsi_device(ctx->dev); + int ret; + + ret = mipi_dsi_dcs_set_display_off(dsi); + if (ret < 0) + dev_err(ctx->dev, "failed to set display off: %d\n", ret); + + msleep(20); + + ret = mipi_dsi_dcs_enter_sleep_mode(dsi); + if (ret < 0) { + dev_err(ctx->dev, "failed to enter sleep mode: %d\n", ret); + return ret; + } + + usleep_range(10000, 15000); + + regulator_disable(ctx->vdd); + + return 0; +} + +static int panel_nv3051d_prepare(struct drm_panel *panel) +{ + struct panel_nv3051d *ctx = panel_to_panelnv3051d(panel); + struct mipi_dsi_device *dsi = to_mipi_dsi_device(ctx->dev); + int ret; + + dev_dbg(ctx->dev, "Resetting the panel\n"); + ret = regulator_enable(ctx->vdd); + if (ret < 0) { + dev_err(ctx->dev, "Failed to enable vdd supply: %d\n", ret); + return ret; + } + + usleep_range(2000, 3000); + gpiod_set_value_cansleep(ctx->reset_gpio, 1); + msleep(150); + gpiod_set_value_cansleep(ctx->reset_gpio, 0); + msleep(20); + + ret = panel_nv3051d_init_sequence(ctx); + if (ret < 0) { + dev_err(ctx->dev, "Panel init sequence failed: %d\n", ret); + goto disable_vdd; + } + + ret = mipi_dsi_dcs_exit_sleep_mode(dsi); + if (ret < 0) { + dev_err(ctx->dev, "Failed to exit sleep mode: %d\n", ret); + goto disable_vdd; + } + + msleep(200); + + ret = mipi_dsi_dcs_set_display_on(dsi); + if (ret < 0) { + dev_err(ctx->dev, "Failed to set display on: %d\n", ret); + goto disable_vdd; + } + + usleep_range(10000, 15000); + + return 0; + +disable_vdd: + regulator_disable(ctx->vdd); + return ret; +} + +static int panel_nv3051d_get_modes(struct drm_panel *panel, + struct drm_connector *connector) +{ + struct panel_nv3051d *ctx = panel_to_panelnv3051d(panel); + const struct nv3051d_panel_info *panel_info = ctx->panel_info; + struct drm_display_mode *mode; + unsigned int i; + + for (i = 0; i < panel_info->num_modes; i++) { + mode = drm_mode_duplicate(connector->dev, + &panel_info->display_modes[i]); + if (!mode) + return -ENOMEM; + + drm_mode_set_name(mode); + + mode->type = DRM_MODE_TYPE_DRIVER; + if (panel_info->num_modes == 1) + mode->type |= DRM_MODE_TYPE_PREFERRED; + + drm_mode_probed_add(connector, mode); + } + + connector->display_info.bpc = 8; + connector->display_info.width_mm = panel_info->width_mm; + connector->display_info.height_mm = panel_info->height_mm; + connector->display_info.bus_flags = panel_info->bus_flags; + + return panel_info->num_modes; +} + +static const struct drm_panel_funcs panel_nv3051d_funcs = { + .unprepare = panel_nv3051d_unprepare, + .prepare = panel_nv3051d_prepare, + .get_modes = panel_nv3051d_get_modes, +}; + +static int panel_nv3051d_probe(struct mipi_dsi_device *dsi) +{ + struct device *dev = &dsi->dev; + struct panel_nv3051d *ctx; + int ret; + + ctx = devm_kzalloc(dev, sizeof(*ctx), GFP_KERNEL); + if (!ctx) + return -ENOMEM; + + ctx->dev = dev; + + ctx->panel_info = of_device_get_match_data(dev); + if (!ctx->panel_info) + return -EINVAL; + + ctx->reset_gpio = devm_gpiod_get_optional(dev, "reset", GPIOD_OUT_HIGH); + if (IS_ERR(ctx->reset_gpio)) { + dev_err(dev, "cannot get reset gpio\n"); + return PTR_ERR(ctx->reset_gpio); + } + + ctx->vdd = devm_regulator_get(dev, "vdd"); + if (IS_ERR(ctx->vdd)) { + ret = PTR_ERR(ctx->vdd); + if (ret != -EPROBE_DEFER) + dev_err(dev, "Failed to request vdd regulator: %d\n", ret); + return ret; + } + + mipi_dsi_set_drvdata(dsi, ctx); + + dsi->lanes = 4; + dsi->format = MIPI_DSI_FMT_RGB888; + dsi->mode_flags = MIPI_DSI_MODE_VIDEO | MIPI_DSI_MODE_VIDEO_BURST | + MIPI_DSI_MODE_LPM | MIPI_DSI_MODE_NO_EOT_PACKET; + + drm_panel_init(&ctx->panel, &dsi->dev, &panel_nv3051d_funcs, + DRM_MODE_CONNECTOR_DSI); + + ret = drm_panel_of_backlight(&ctx->panel); + if (ret) + return ret; + + drm_panel_add(&ctx->panel); + + ret = mipi_dsi_attach(dsi); + if (ret < 0) { + dev_err(dev, "mipi_dsi_attach failed: %d\n", ret); + drm_panel_remove(&ctx->panel); + return ret; + } + + return 0; +} + +static void panel_nv3051d_shutdown(struct mipi_dsi_device *dsi) +{ + struct panel_nv3051d *ctx = mipi_dsi_get_drvdata(dsi); + int ret; + + ret = drm_panel_unprepare(&ctx->panel); + if (ret < 0) + dev_err(&dsi->dev, "Failed to unprepare panel: %d\n", ret); + + ret = drm_panel_disable(&ctx->panel); + if (ret < 0) + dev_err(&dsi->dev, "Failed to disable panel: %d\n", ret); +} + +static void panel_nv3051d_remove(struct mipi_dsi_device *dsi) +{ + struct panel_nv3051d *ctx = mipi_dsi_get_drvdata(dsi); + int ret; + + panel_nv3051d_shutdown(dsi); + + ret = mipi_dsi_detach(dsi); + if (ret < 0) + dev_err(&dsi->dev, "Failed to detach from DSI host: %d\n", ret); + + drm_panel_remove(&ctx->panel); +} + +static const struct drm_display_mode nv3051d_rgxx3_modes[] = { + { /* 120hz */ + .hdisplay = 640, + .hsync_start = 640 + 40, + .hsync_end = 640 + 40 + 2, + .htotal = 640 + 40 + 2 + 80, + .vdisplay = 480, + .vsync_start = 480 + 18, + .vsync_end = 480 + 18 + 2, + .vtotal = 480 + 18 + 2 + 28, + .clock = 48300, + .flags = DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_NVSYNC, + }, + { /* 100hz */ + .hdisplay = 640, + .hsync_start = 640 + 40, + .hsync_end = 640 + 40 + 2, + .htotal = 640 + 40 + 2 + 80, + .vdisplay = 480, + .vsync_start = 480 + 18, + .vsync_end = 480 + 18 + 2, + .vtotal = 480 + 18 + 2 + 28, + .clock = 40250, + .flags = DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_NVSYNC, + }, + { /* 60hz */ + .hdisplay = 640, + .hsync_start = 640 + 40, + .hsync_end = 640 + 40 + 2, + .htotal = 640 + 40 + 2 + 80, + .vdisplay = 480, + .vsync_start = 480 + 18, + .vsync_end = 480 + 18 + 2, + .vtotal = 480 + 18 + 2 + 28, + .clock = 24150, + .flags = DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_NVSYNC, + }, +}; + +static const struct nv3051d_panel_info nv3051d_rgxx3_info = { + .display_modes = nv3051d_rgxx3_modes, + .num_modes = ARRAY_SIZE(nv3051d_rgxx3_modes), + .width_mm = 70, + .height_mm = 57, + .bus_flags = DRM_BUS_FLAG_DE_LOW | DRM_BUS_FLAG_PIXDATA_DRIVE_NEGEDGE, +}; + +static const struct of_device_id newvision_nv3051d_of_match[] = { + { .compatible = "newvision,nv3051d", .data = &nv3051d_rgxx3_info }, + { /* sentinel */ } +}; +MODULE_DEVICE_TABLE(of, newvision_nv3051d_of_match); + +static struct mipi_dsi_driver newvision_nv3051d_driver = { + .driver = { + .name = "panel-newvision-nv3051d", + .of_match_table = newvision_nv3051d_of_match, + }, + .probe = panel_nv3051d_probe, + .remove = panel_nv3051d_remove, + .shutdown = panel_nv3051d_shutdown, +}; +module_mipi_dsi_driver(newvision_nv3051d_driver); + +MODULE_AUTHOR("Chris Morgan <macromorgan@hotmail.com>"); +MODULE_DESCRIPTION("DRM driver for Newvision NV3051D based MIPI DSI panels"); +MODULE_LICENSE("GPL");

[V5,3/3] drm/panel: Add NewVision NV3051D MIPI-DSI LCD panel

Commit Message

Patch