Introduce support for the BOE panel with a NT36523W touch/driver IC found on some Lenovo Tab P11 devices. It's a 2000x1200, 24bit RGB MIPI DSI panel with integrated DCS-controlled backlight (that expects big-endian communication). Reviewed-by: Neil Armstrong <neil.armstrong@xxxxxxxxxx> Signed-off-by: Konrad Dybcio <konrad.dybcio@xxxxxxxxxx> --- drivers/gpu/drm/panel/Kconfig | 12 + drivers/gpu/drm/panel/Makefile | 1 + drivers/gpu/drm/panel/panel-lenovo-nt36523w-boe.c | 747 ++++++++++++++++++++++ 3 files changed, 760 insertions(+) diff --git a/drivers/gpu/drm/panel/Kconfig b/drivers/gpu/drm/panel/Kconfig index 8eeee71c0000..2abc89284a77 100644 --- a/drivers/gpu/drm/panel/Kconfig +++ b/drivers/gpu/drm/panel/Kconfig @@ -297,6 +297,18 @@ config DRM_PANEL_LEADTEK_LTK500HD1829 24 bit RGB per pixel. It provides a MIPI DSI interface to the host and has a built-in LED backlight. +config DRM_PANEL_LENOVO_NT36523W_BOE + tristate "Lenovo NT36523W BOE panel" + depends on OF + depends on DRM_MIPI_DSI + depends on BACKLIGHT_CLASS_DEVICE + help + Say Y here if you want to enable support for BOE display panel with + NT36523W driver/touch IC, found on some Lenovo Tab P11 devices. The + panel has a 2000x1200 resolution and uses 24 bit RGB per pixel. It + provides a MIPI DSI interface to the host and has a built-in LED + backlight. + config DRM_PANEL_SAMSUNG_LD9040 tristate "Samsung LD9040 RGB/SPI panel" depends on OF && SPI diff --git a/drivers/gpu/drm/panel/Makefile b/drivers/gpu/drm/panel/Makefile index c05aa9e23907..7ed908cc83a6 100644 --- a/drivers/gpu/drm/panel/Makefile +++ b/drivers/gpu/drm/panel/Makefile @@ -27,6 +27,7 @@ obj-$(CONFIG_DRM_PANEL_KHADAS_TS050) += panel-khadas-ts050.o obj-$(CONFIG_DRM_PANEL_KINGDISPLAY_KD097D04) += panel-kingdisplay-kd097d04.o obj-$(CONFIG_DRM_PANEL_LEADTEK_LTK050H3146W) += panel-leadtek-ltk050h3146w.o obj-$(CONFIG_DRM_PANEL_LEADTEK_LTK500HD1829) += panel-leadtek-ltk500hd1829.o +obj-$(CONFIG_DRM_PANEL_LENOVO_NT36523W_BOE) += panel-lenovo-nt36523w-boe.o obj-$(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 diff --git a/drivers/gpu/drm/panel/panel-lenovo-nt36523w-boe.c b/drivers/gpu/drm/panel/panel-lenovo-nt36523w-boe.c new file mode 100644 index 000000000000..ad16622da732 --- /dev/null +++ b/drivers/gpu/drm/panel/panel-lenovo-nt36523w-boe.c @@ -0,0 +1,747 @@ +// SPDX-License-Identifier: GPL-2.0-only +/* + * Copyright (c) 2023 Linaro Limited + * + * Generated with linux-mdss-dsi-panel-driver-generator with + * some manual adjustments. + */ +#include <linux/backlight.h> +#include <linux/delay.h> +#include <linux/gpio/consumer.h> +#include <linux/module.h> +#include <linux/of.h> +#include <linux/regulator/consumer.h> + +#include <video/mipi_display.h> + +#include <drm/drm_mipi_dsi.h> +#include <drm/drm_modes.h> +#include <drm/drm_panel.h> + +struct nt36523w_boe { + struct drm_panel panel; + struct mipi_dsi_device *dsi; + struct regulator *supply; + struct gpio_desc *reset_gpio; + enum drm_panel_orientation orientation; + bool prepared; +}; + +static inline struct nt36523w_boe *to_nt36523w_boe(struct drm_panel *panel) +{ + return container_of(panel, struct nt36523w_boe, panel); +} + +static void nt36523w_boe_reset(struct nt36523w_boe *ctx) +{ + gpiod_set_value_cansleep(ctx->reset_gpio, 0); + usleep_range(10000, 11000); + gpiod_set_value_cansleep(ctx->reset_gpio, 1); + usleep_range(5000, 6000); + gpiod_set_value_cansleep(ctx->reset_gpio, 0); + usleep_range(2000, 3000); +} + +static int nt36523w_boe_on(struct nt36523w_boe *ctx) +{ + struct mipi_dsi_device *dsi = ctx->dsi; + struct device *dev = &dsi->dev; + int ret; + + mipi_dsi_dcs_write_seq(dsi, 0xff, 0x20); + mipi_dsi_dcs_write_seq(dsi, 0xfb, 0x01); + mipi_dsi_dcs_write_seq(dsi, 0x05, 0xd9); + mipi_dsi_dcs_write_seq(dsi, 0x07, 0x78); + mipi_dsi_dcs_write_seq(dsi, 0x08, 0x5a); + mipi_dsi_dcs_write_seq(dsi, 0x0d, 0x63); + mipi_dsi_dcs_write_seq(dsi, 0x0e, 0x91); + mipi_dsi_dcs_write_seq(dsi, 0x0f, 0x73); + mipi_dsi_dcs_write_seq(dsi, 0x95, 0xeb); + mipi_dsi_dcs_write_seq(dsi, 0x96, 0xeb); + mipi_dsi_dcs_write_seq(dsi, MIPI_DCS_SET_PARTIAL_ROWS, 0x11); + mipi_dsi_dcs_write_seq(dsi, 0x6d, 0x66); + mipi_dsi_dcs_write_seq(dsi, 0x75, 0xa2); + mipi_dsi_dcs_write_seq(dsi, 0x77, 0xb3); + mipi_dsi_dcs_write_seq(dsi, 0xb0, 0x00, 0x08, 0x00, 0x23, 0x00, 0x4d, 0x00, 0x6d, 0x00, + 0x89, 0x00, 0xa1, 0x00, 0xb6, 0x00, 0xc9); + mipi_dsi_dcs_write_seq(dsi, 0xb1, 0x00, 0xda, 0x01, 0x13, 0x01, 0x3c, 0x01, 0x7e, 0x01, + 0xab, 0x01, 0xf7, 0x02, 0x2f, 0x02, 0x31); + mipi_dsi_dcs_write_seq(dsi, 0xb2, 0x02, 0x67, 0x02, 0xa6, 0x02, 0xd1, 0x03, 0x08, 0x03, + 0x2e, 0x03, 0x5b, 0x03, 0x6b, 0x03, 0x7b); + mipi_dsi_dcs_write_seq(dsi, 0xb3, 0x03, 0x8e, 0x03, 0xa2, 0x03, 0xb7, 0x03, 0xe7, 0x03, + 0xfd, 0x03, 0xff); + mipi_dsi_dcs_write_seq(dsi, 0xb4, 0x00, 0x08, 0x00, 0x23, 0x00, 0x4d, 0x00, 0x6d, 0x00, + 0x89, 0x00, 0xa1, 0x00, 0xb6, 0x00, 0xc9); + mipi_dsi_dcs_write_seq(dsi, 0xb5, 0x00, 0xda, 0x01, 0x13, 0x01, 0x3c, 0x01, 0x7e, 0x01, + 0xab, 0x01, 0xf7, 0x02, 0x2f, 0x02, 0x31); + mipi_dsi_dcs_write_seq(dsi, 0xb6, 0x02, 0x67, 0x02, 0xa6, 0x02, 0xd1, 0x03, 0x08, 0x03, + 0x2e, 0x03, 0x5b, 0x03, 0x6b, 0x03, 0x7b); + mipi_dsi_dcs_write_seq(dsi, 0xb7, 0x03, 0x8e, 0x03, 0xa2, 0x03, 0xb7, 0x03, 0xe7, 0x03, + 0xfd, 0x03, 0xff); + mipi_dsi_dcs_write_seq(dsi, 0xb8, 0x00, 0x08, 0x00, 0x23, 0x00, 0x4d, 0x00, 0x6d, 0x00, + 0x89, 0x00, 0xa1, 0x00, 0xb6, 0x00, 0xc9); + mipi_dsi_dcs_write_seq(dsi, 0xb9, 0x00, 0xda, 0x01, 0x13, 0x01, 0x3c, 0x01, 0x7e, 0x01, + 0xab, 0x01, 0xf7, 0x02, 0x2f, 0x02, 0x31); + mipi_dsi_dcs_write_seq(dsi, 0xba, 0x02, 0x67, 0x02, 0xa6, 0x02, 0xd1, 0x03, 0x08, 0x03, + 0x2e, 0x03, 0x5b, 0x03, 0x6b, 0x03, 0x7b); + mipi_dsi_dcs_write_seq(dsi, 0xbb, 0x03, 0x8e, 0x03, 0xa2, 0x03, 0xb7, 0x03, 0xe7, 0x03, + 0xfd, 0x03, 0xff); + mipi_dsi_dcs_write_seq(dsi, 0xff, 0x21); + mipi_dsi_dcs_write_seq(dsi, 0xfb, 0x01); + mipi_dsi_dcs_write_seq(dsi, 0xb0, 0x00, 0x00, 0x00, 0x1b, 0x00, 0x45, 0x00, 0x65, 0x00, + 0x81, 0x00, 0x99, 0x00, 0xae, 0x00, 0xc1); + mipi_dsi_dcs_write_seq(dsi, 0xb1, 0x00, 0xd2, 0x01, 0x0b, 0x01, 0x34, 0x01, 0x76, 0x01, + 0xa3, 0x01, 0xef, 0x02, 0x27, 0x02, 0x29); + mipi_dsi_dcs_write_seq(dsi, 0xb2, 0x02, 0x5f, 0x02, 0x9e, 0x02, 0xc9, 0x03, 0x00, 0x03, + 0x26, 0x03, 0x53, 0x03, 0x63, 0x03, 0x73); + mipi_dsi_dcs_write_seq(dsi, 0xb3, 0x03, 0x86, 0x03, 0x9a, 0x03, 0xaf, 0x03, 0xdf, 0x03, + 0xf5, 0x03, 0xf7); + mipi_dsi_dcs_write_seq(dsi, 0xb4, 0x00, 0x00, 0x00, 0x1b, 0x00, 0x45, 0x00, 0x65, 0x00, + 0x81, 0x00, 0x99, 0x00, 0xae, 0x00, 0xc1); + mipi_dsi_dcs_write_seq(dsi, 0xb5, 0x00, 0xd2, 0x01, 0x0b, 0x01, 0x34, 0x01, 0x76, 0x01, + 0xa3, 0x01, 0xef, 0x02, 0x27, 0x02, 0x29); + mipi_dsi_dcs_write_seq(dsi, 0xb6, 0x02, 0x5f, 0x02, 0x9e, 0x02, 0xc9, 0x03, 0x00, 0x03, + 0x26, 0x03, 0x53, 0x03, 0x63, 0x03, 0x73); + mipi_dsi_dcs_write_seq(dsi, 0xb7, 0x03, 0x86, 0x03, 0x9a, 0x03, 0xaf, 0x03, 0xdf, 0x03, + 0xf5, 0x03, 0xf7); + mipi_dsi_dcs_write_seq(dsi, 0xb8, 0x00, 0x00, 0x00, 0x1b, 0x00, 0x45, 0x00, 0x65, 0x00, + 0x81, 0x00, 0x99, 0x00, 0xae, 0x00, 0xc1); + mipi_dsi_dcs_write_seq(dsi, 0xb9, 0x00, 0xd2, 0x01, 0x0b, 0x01, 0x34, 0x01, 0x76, 0x01, + 0xa3, 0x01, 0xef, 0x02, 0x27, 0x02, 0x29); + mipi_dsi_dcs_write_seq(dsi, 0xba, 0x02, 0x5f, 0x02, 0x9e, 0x02, 0xc9, 0x03, 0x00, 0x03, + 0x26, 0x03, 0x53, 0x03, 0x63, 0x03, 0x73); + mipi_dsi_dcs_write_seq(dsi, 0xbb, 0x03, 0x86, 0x03, 0x9a, 0x03, 0xaf, 0x03, 0xdf, 0x03, + 0xf5, 0x03, 0xf7); + mipi_dsi_dcs_write_seq(dsi, 0xff, 0x23); + mipi_dsi_dcs_write_seq(dsi, 0xfb, 0x01); + mipi_dsi_dcs_write_seq(dsi, 0x00, 0x80); + mipi_dsi_dcs_write_seq(dsi, 0x07, 0x00); + mipi_dsi_dcs_write_seq(dsi, 0x11, 0x01); + mipi_dsi_dcs_write_seq(dsi, 0x12, 0x77); + mipi_dsi_dcs_write_seq(dsi, 0x15, 0x07); + mipi_dsi_dcs_write_seq(dsi, 0x16, 0x07); + mipi_dsi_dcs_write_seq(dsi, 0xff, 0x24); + mipi_dsi_dcs_write_seq(dsi, 0xfb, 0x01); + mipi_dsi_dcs_write_seq(dsi, 0x00, 0x00); + mipi_dsi_dcs_write_seq(dsi, 0x01, 0x00); + mipi_dsi_dcs_write_seq(dsi, 0x02, 0x1c); + mipi_dsi_dcs_write_seq(dsi, 0x03, 0x1c); + mipi_dsi_dcs_write_seq(dsi, 0x04, 0x1d); + mipi_dsi_dcs_write_seq(dsi, 0x05, 0x1d); + mipi_dsi_dcs_write_seq(dsi, 0x06, 0x04); + mipi_dsi_dcs_write_seq(dsi, 0x07, 0x04); + mipi_dsi_dcs_write_seq(dsi, 0x08, 0x0f); + mipi_dsi_dcs_write_seq(dsi, 0x09, 0x0f); + mipi_dsi_dcs_write_seq(dsi, 0x0a, 0x0e); + mipi_dsi_dcs_write_seq(dsi, 0x0b, 0x0e); + mipi_dsi_dcs_write_seq(dsi, 0x0c, 0x0d); + mipi_dsi_dcs_write_seq(dsi, 0x0d, 0x0d); + mipi_dsi_dcs_write_seq(dsi, 0x0e, 0x0c); + mipi_dsi_dcs_write_seq(dsi, 0x0f, 0x0c); + mipi_dsi_dcs_write_seq(dsi, 0x10, 0x08); + mipi_dsi_dcs_write_seq(dsi, 0x11, 0x08); + mipi_dsi_dcs_write_seq(dsi, 0x12, 0x00); + mipi_dsi_dcs_write_seq(dsi, 0x13, 0x00); + mipi_dsi_dcs_write_seq(dsi, 0x14, 0x00); + mipi_dsi_dcs_write_seq(dsi, 0x15, 0x00); + mipi_dsi_dcs_write_seq(dsi, 0x16, 0x00); + mipi_dsi_dcs_write_seq(dsi, 0x17, 0x00); + mipi_dsi_dcs_write_seq(dsi, 0x18, 0x1c); + mipi_dsi_dcs_write_seq(dsi, 0x19, 0x1c); + mipi_dsi_dcs_write_seq(dsi, 0x1a, 0x1d); + mipi_dsi_dcs_write_seq(dsi, 0x1b, 0x1d); + mipi_dsi_dcs_write_seq(dsi, 0x1c, 0x04); + mipi_dsi_dcs_write_seq(dsi, 0x1d, 0x04); + mipi_dsi_dcs_write_seq(dsi, 0x1e, 0x0f); + mipi_dsi_dcs_write_seq(dsi, 0x1f, 0x0f); + mipi_dsi_dcs_write_seq(dsi, 0x20, 0x0e); + mipi_dsi_dcs_write_seq(dsi, 0x21, 0x0e); + mipi_dsi_dcs_write_seq(dsi, 0x22, 0x0d); + mipi_dsi_dcs_write_seq(dsi, 0x23, 0x0d); + mipi_dsi_dcs_write_seq(dsi, 0x24, 0x0c); + mipi_dsi_dcs_write_seq(dsi, 0x25, 0x0c); + mipi_dsi_dcs_write_seq(dsi, MIPI_DCS_SET_GAMMA_CURVE, 0x08); + mipi_dsi_dcs_write_seq(dsi, 0x27, 0x08); + mipi_dsi_dcs_write_seq(dsi, 0x28, 0x00); + mipi_dsi_dcs_write_seq(dsi, 0x29, 0x00); + mipi_dsi_dcs_write_seq(dsi, 0x2a, 0x00); + mipi_dsi_dcs_write_seq(dsi, 0x2b, 0x00); + mipi_dsi_dcs_write_seq(dsi, MIPI_DCS_WRITE_LUT, 0x20); + mipi_dsi_dcs_write_seq(dsi, 0x2f, 0x0a); + mipi_dsi_dcs_write_seq(dsi, MIPI_DCS_SET_PARTIAL_ROWS, 0x44); + mipi_dsi_dcs_write_seq(dsi, 0x33, 0x0c); + mipi_dsi_dcs_write_seq(dsi, 0x34, 0x32); + mipi_dsi_dcs_write_seq(dsi, 0x37, 0x44); + mipi_dsi_dcs_write_seq(dsi, 0x38, 0x40); + mipi_dsi_dcs_write_seq(dsi, 0x39, 0x00); + + ret = mipi_dsi_dcs_set_pixel_format(dsi, 0x9a); + if (ret < 0) { + dev_err(dev, "Failed to set pixel format: %d\n", ret); + return ret; + } + + mipi_dsi_dcs_write_seq(dsi, 0x3b, 0xa0); + mipi_dsi_dcs_write_seq(dsi, MIPI_DCS_SET_3D_CONTROL, 0x42); + mipi_dsi_dcs_write_seq(dsi, 0x3f, 0x06); + mipi_dsi_dcs_write_seq(dsi, 0x43, 0x06); + mipi_dsi_dcs_write_seq(dsi, 0x47, 0x66); + mipi_dsi_dcs_write_seq(dsi, 0x4a, 0x9a); + mipi_dsi_dcs_write_seq(dsi, 0x4b, 0xa0); + mipi_dsi_dcs_write_seq(dsi, 0x4c, 0x91); + mipi_dsi_dcs_write_seq(dsi, 0x4d, 0x21); + mipi_dsi_dcs_write_seq(dsi, 0x4e, 0x43); + + ret = mipi_dsi_dcs_set_display_brightness(dsi, 18); + if (ret < 0) { + dev_err(dev, "Failed to set display brightness: %d\n", ret); + return ret; + } + + mipi_dsi_dcs_write_seq(dsi, 0x52, 0x34); + mipi_dsi_dcs_write_seq(dsi, 0x55, 0x82, 0x02); + mipi_dsi_dcs_write_seq(dsi, 0x56, 0x04); + mipi_dsi_dcs_write_seq(dsi, 0x58, 0x21); + mipi_dsi_dcs_write_seq(dsi, 0x59, 0x30); + mipi_dsi_dcs_write_seq(dsi, 0x5a, 0xba); + mipi_dsi_dcs_write_seq(dsi, 0x5b, 0xa0); + mipi_dsi_dcs_write_seq(dsi, MIPI_DCS_SET_CABC_MIN_BRIGHTNESS, 0x00, 0x06); + mipi_dsi_dcs_write_seq(dsi, 0x5f, 0x00); + mipi_dsi_dcs_write_seq(dsi, 0x65, 0x82); + mipi_dsi_dcs_write_seq(dsi, 0x7e, 0x20); + mipi_dsi_dcs_write_seq(dsi, 0x7f, 0x3c); + mipi_dsi_dcs_write_seq(dsi, 0x82, 0x04); + mipi_dsi_dcs_write_seq(dsi, 0x97, 0xc0); + mipi_dsi_dcs_write_seq(dsi, 0xb6, + 0x05, 0x00, 0x05, 0x00, 0x00, 0x00, 0x00, 0x00, 0x05, + 0x05, 0x00, 0x00); + mipi_dsi_dcs_write_seq(dsi, 0x92, 0xc4); + mipi_dsi_dcs_write_seq(dsi, 0x93, 0x1a); + mipi_dsi_dcs_write_seq(dsi, 0x94, 0x5f); + mipi_dsi_dcs_write_seq(dsi, 0xd7, 0x55); + mipi_dsi_dcs_write_seq(dsi, 0xda, 0x0a); + mipi_dsi_dcs_write_seq(dsi, 0xde, 0x08); + mipi_dsi_dcs_write_seq(dsi, 0xdb, 0x05); + mipi_dsi_dcs_write_seq(dsi, 0xdc, 0xc4); + mipi_dsi_dcs_write_seq(dsi, 0xdd, 0x22); + mipi_dsi_dcs_write_seq(dsi, 0xdf, 0x05); + mipi_dsi_dcs_write_seq(dsi, 0xe0, 0xc4); + mipi_dsi_dcs_write_seq(dsi, 0xe1, 0x05); + mipi_dsi_dcs_write_seq(dsi, 0xe2, 0xc4); + mipi_dsi_dcs_write_seq(dsi, 0xe3, 0x05); + mipi_dsi_dcs_write_seq(dsi, 0xe4, 0xc4); + mipi_dsi_dcs_write_seq(dsi, 0xe5, 0x05); + mipi_dsi_dcs_write_seq(dsi, 0xe6, 0xc4); + mipi_dsi_dcs_write_seq(dsi, 0x5c, 0x88); + mipi_dsi_dcs_write_seq(dsi, 0x5d, 0x08); + mipi_dsi_dcs_write_seq(dsi, 0x8d, 0x88); + mipi_dsi_dcs_write_seq(dsi, 0x8e, 0x08); + mipi_dsi_dcs_write_seq(dsi, 0xb5, 0x90); + mipi_dsi_dcs_write_seq(dsi, 0xff, 0x25); + mipi_dsi_dcs_write_seq(dsi, 0xfb, 0x01); + mipi_dsi_dcs_write_seq(dsi, 0x05, 0x00); + mipi_dsi_dcs_write_seq(dsi, 0x19, 0x07); + mipi_dsi_dcs_write_seq(dsi, 0x1f, 0xba); + mipi_dsi_dcs_write_seq(dsi, 0x20, 0xa0); + mipi_dsi_dcs_write_seq(dsi, MIPI_DCS_SET_GAMMA_CURVE, 0xba); + mipi_dsi_dcs_write_seq(dsi, 0x27, 0xa0); + mipi_dsi_dcs_write_seq(dsi, 0x33, 0xba); + mipi_dsi_dcs_write_seq(dsi, 0x34, 0xa0); + mipi_dsi_dcs_write_seq(dsi, 0x3f, 0xe0); + mipi_dsi_dcs_write_seq(dsi, MIPI_DCS_SET_VSYNC_TIMING, 0x00); + mipi_dsi_dcs_write_seq(dsi, 0x44, 0x00); + mipi_dsi_dcs_write_seq(dsi, MIPI_DCS_GET_SCANLINE, 0x40); + mipi_dsi_dcs_write_seq(dsi, 0x48, 0xba); + mipi_dsi_dcs_write_seq(dsi, 0x49, 0xa0); + mipi_dsi_dcs_write_seq(dsi, 0x5b, 0x00); + mipi_dsi_dcs_write_seq(dsi, 0x5c, 0x00); + mipi_dsi_dcs_write_seq(dsi, 0x5d, 0x00); + mipi_dsi_dcs_write_seq(dsi, MIPI_DCS_SET_CABC_MIN_BRIGHTNESS, 0xd0); + mipi_dsi_dcs_write_seq(dsi, 0x61, 0xba); + mipi_dsi_dcs_write_seq(dsi, 0x62, 0xa0); + mipi_dsi_dcs_write_seq(dsi, 0xf1, 0x10); + mipi_dsi_dcs_write_seq(dsi, 0xff, 0x2a); + mipi_dsi_dcs_write_seq(dsi, 0xfb, 0x01); + mipi_dsi_dcs_write_seq(dsi, 0x64, 0x16); + mipi_dsi_dcs_write_seq(dsi, 0x67, 0x16); + mipi_dsi_dcs_write_seq(dsi, 0x6a, 0x16); + mipi_dsi_dcs_write_seq(dsi, 0x70, 0x30); + mipi_dsi_dcs_write_seq(dsi, MIPI_DCS_READ_PPS_START, 0xf3); + mipi_dsi_dcs_write_seq(dsi, 0xa3, 0xff); + mipi_dsi_dcs_write_seq(dsi, 0xa4, 0xff); + mipi_dsi_dcs_write_seq(dsi, 0xa5, 0xff); + mipi_dsi_dcs_write_seq(dsi, 0xd6, 0x08); + mipi_dsi_dcs_write_seq(dsi, 0xff, 0x26); + mipi_dsi_dcs_write_seq(dsi, 0xfb, 0x01); + mipi_dsi_dcs_write_seq(dsi, 0x00, 0xa1); + mipi_dsi_dcs_write_seq(dsi, 0x0a, 0xf2); + mipi_dsi_dcs_write_seq(dsi, 0x04, 0x28); + mipi_dsi_dcs_write_seq(dsi, 0x06, 0x30); + mipi_dsi_dcs_write_seq(dsi, 0x0c, 0x13); + mipi_dsi_dcs_write_seq(dsi, 0x0d, 0x0a); + mipi_dsi_dcs_write_seq(dsi, 0x0f, 0x0a); + mipi_dsi_dcs_write_seq(dsi, 0x11, 0x00); + mipi_dsi_dcs_write_seq(dsi, 0x12, 0x50); + mipi_dsi_dcs_write_seq(dsi, 0x13, 0x51); + mipi_dsi_dcs_write_seq(dsi, 0x14, 0x65); + mipi_dsi_dcs_write_seq(dsi, 0x15, 0x00); + mipi_dsi_dcs_write_seq(dsi, 0x16, 0x10); + mipi_dsi_dcs_write_seq(dsi, 0x17, 0xa0); + mipi_dsi_dcs_write_seq(dsi, 0x18, 0x86); + mipi_dsi_dcs_write_seq(dsi, 0x19, 0x11); + mipi_dsi_dcs_write_seq(dsi, 0x1a, 0x7b); + mipi_dsi_dcs_write_seq(dsi, 0x1b, 0x10); + mipi_dsi_dcs_write_seq(dsi, 0x1c, 0xbb); + mipi_dsi_dcs_write_seq(dsi, 0x22, 0x00); + mipi_dsi_dcs_write_seq(dsi, 0x23, 0x00); + mipi_dsi_dcs_write_seq(dsi, 0x2a, 0x11); + mipi_dsi_dcs_write_seq(dsi, 0x2b, 0x7b); + mipi_dsi_dcs_write_seq(dsi, 0x1d, 0x00); + mipi_dsi_dcs_write_seq(dsi, 0x1e, 0xc3); + mipi_dsi_dcs_write_seq(dsi, 0x1f, 0xc3); + mipi_dsi_dcs_write_seq(dsi, 0x24, 0x00); + mipi_dsi_dcs_write_seq(dsi, 0x25, 0xc3); + mipi_dsi_dcs_write_seq(dsi, 0x2f, 0x05); + mipi_dsi_dcs_write_seq(dsi, MIPI_DCS_SET_PARTIAL_ROWS, 0xc3); + mipi_dsi_dcs_write_seq(dsi, MIPI_DCS_SET_PARTIAL_COLUMNS, 0x00); + mipi_dsi_dcs_write_seq(dsi, 0x32, 0xc3); + mipi_dsi_dcs_write_seq(dsi, 0x39, 0x00); + + ret = mipi_dsi_dcs_set_pixel_format(dsi, 0xc3); + if (ret < 0) { + dev_err(dev, "Failed to set pixel format: %d\n", ret); + return ret; + } + + mipi_dsi_dcs_write_seq(dsi, 0x20, 0x01); + mipi_dsi_dcs_write_seq(dsi, 0x33, 0x11); + mipi_dsi_dcs_write_seq(dsi, 0x34, 0x78); + mipi_dsi_dcs_write_seq(dsi, 0x35, 0x16); + mipi_dsi_dcs_write_seq(dsi, 0xc8, 0x04); + mipi_dsi_dcs_write_seq(dsi, 0xc9, 0x82); + mipi_dsi_dcs_write_seq(dsi, 0xca, 0x4e); + mipi_dsi_dcs_write_seq(dsi, 0xcb, 0x00); + mipi_dsi_dcs_write_seq(dsi, MIPI_DCS_READ_PPS_CONTINUE, 0x4c); + mipi_dsi_dcs_write_seq(dsi, 0xaa, 0x47); + mipi_dsi_dcs_write_seq(dsi, 0xff, 0x27); + mipi_dsi_dcs_write_seq(dsi, 0xfb, 0x01); + mipi_dsi_dcs_write_seq(dsi, 0x56, 0x06); + mipi_dsi_dcs_write_seq(dsi, 0x58, 0x80); + mipi_dsi_dcs_write_seq(dsi, 0x59, 0x53); + mipi_dsi_dcs_write_seq(dsi, 0x5a, 0x00); + mipi_dsi_dcs_write_seq(dsi, 0x5b, 0x14); + mipi_dsi_dcs_write_seq(dsi, 0x5c, 0x00); + mipi_dsi_dcs_write_seq(dsi, 0x5d, 0x01); + mipi_dsi_dcs_write_seq(dsi, MIPI_DCS_SET_CABC_MIN_BRIGHTNESS, 0x20); + mipi_dsi_dcs_write_seq(dsi, 0x5f, 0x10); + mipi_dsi_dcs_write_seq(dsi, 0x60, 0x00); + mipi_dsi_dcs_write_seq(dsi, 0x61, 0x1d); + mipi_dsi_dcs_write_seq(dsi, 0x62, 0x00); + mipi_dsi_dcs_write_seq(dsi, 0x63, 0x01); + mipi_dsi_dcs_write_seq(dsi, 0x64, 0x24); + mipi_dsi_dcs_write_seq(dsi, 0x65, 0x1c); + mipi_dsi_dcs_write_seq(dsi, 0x66, 0x00); + mipi_dsi_dcs_write_seq(dsi, 0x67, 0x01); + mipi_dsi_dcs_write_seq(dsi, 0x68, 0x25); + mipi_dsi_dcs_write_seq(dsi, 0x00, 0x00); + mipi_dsi_dcs_write_seq(dsi, 0x78, 0x00); + mipi_dsi_dcs_write_seq(dsi, 0xc3, 0x00); + mipi_dsi_dcs_write_seq(dsi, 0xd1, 0x24); + mipi_dsi_dcs_write_seq(dsi, 0xd2, 0x30); + mipi_dsi_dcs_write_seq(dsi, 0xff, 0x2a); + mipi_dsi_dcs_write_seq(dsi, 0xfb, 0x01); + mipi_dsi_dcs_write_seq(dsi, 0x22, 0x2f); + mipi_dsi_dcs_write_seq(dsi, 0x23, 0x08); + mipi_dsi_dcs_write_seq(dsi, 0x24, 0x00); + mipi_dsi_dcs_write_seq(dsi, 0x25, 0xc3); + mipi_dsi_dcs_write_seq(dsi, MIPI_DCS_SET_GAMMA_CURVE, 0xf8); + mipi_dsi_dcs_write_seq(dsi, 0x27, 0x00); + mipi_dsi_dcs_write_seq(dsi, 0x28, 0x1a); + mipi_dsi_dcs_write_seq(dsi, 0x29, 0x00); + mipi_dsi_dcs_write_seq(dsi, 0x2a, 0x1a); + mipi_dsi_dcs_write_seq(dsi, 0x2b, 0x00); + mipi_dsi_dcs_write_seq(dsi, MIPI_DCS_WRITE_LUT, 0x1a); + mipi_dsi_dcs_write_seq(dsi, 0xff, 0xe0); + mipi_dsi_dcs_write_seq(dsi, 0xfb, 0x01); + mipi_dsi_dcs_write_seq(dsi, 0x14, 0x60); + mipi_dsi_dcs_write_seq(dsi, 0x16, 0xc0); + mipi_dsi_dcs_write_seq(dsi, 0xff, 0xf0); + mipi_dsi_dcs_write_seq(dsi, 0xfb, 0x01); + + ret = mipi_dsi_dcs_set_pixel_format(dsi, 0x08); + if (ret < 0) { + dev_err(dev, "Failed to set pixel format: %d\n", ret); + return ret; + } + + mipi_dsi_dcs_write_seq(dsi, 0xff, 0x24); + mipi_dsi_dcs_write_seq(dsi, 0xfb, 0x01); + + ret = mipi_dsi_dcs_set_pixel_format(dsi, 0x5d); + if (ret < 0) { + dev_err(dev, "Failed to set pixel format: %d\n", ret); + return ret; + } + + mipi_dsi_dcs_write_seq(dsi, 0x3b, 0x60); + mipi_dsi_dcs_write_seq(dsi, 0x4a, 0x5d); + mipi_dsi_dcs_write_seq(dsi, 0x4b, 0x60); + mipi_dsi_dcs_write_seq(dsi, 0x5a, 0x70); + mipi_dsi_dcs_write_seq(dsi, 0x5b, 0x60); + mipi_dsi_dcs_write_seq(dsi, 0x91, 0x44); + mipi_dsi_dcs_write_seq(dsi, 0x92, 0x75); + mipi_dsi_dcs_write_seq(dsi, 0xdb, 0x05); + mipi_dsi_dcs_write_seq(dsi, 0xdc, 0x75); + mipi_dsi_dcs_write_seq(dsi, 0xdd, 0x22); + mipi_dsi_dcs_write_seq(dsi, 0xdf, 0x05); + mipi_dsi_dcs_write_seq(dsi, 0xe0, 0x75); + mipi_dsi_dcs_write_seq(dsi, 0xe1, 0x05); + mipi_dsi_dcs_write_seq(dsi, 0xe2, 0x75); + mipi_dsi_dcs_write_seq(dsi, 0xe3, 0x05); + mipi_dsi_dcs_write_seq(dsi, 0xe4, 0x75); + mipi_dsi_dcs_write_seq(dsi, 0xe5, 0x05); + mipi_dsi_dcs_write_seq(dsi, 0xe6, 0x75); + mipi_dsi_dcs_write_seq(dsi, 0x5c, 0x00); + mipi_dsi_dcs_write_seq(dsi, 0x5d, 0x00); + mipi_dsi_dcs_write_seq(dsi, 0x8d, 0x00); + mipi_dsi_dcs_write_seq(dsi, 0x8e, 0x00); + mipi_dsi_dcs_write_seq(dsi, 0xff, 0x25); + mipi_dsi_dcs_write_seq(dsi, 0xfb, 0x01); + mipi_dsi_dcs_write_seq(dsi, 0x1f, 0x70); + mipi_dsi_dcs_write_seq(dsi, 0x20, 0x60); + mipi_dsi_dcs_write_seq(dsi, MIPI_DCS_SET_GAMMA_CURVE, 0x70); + mipi_dsi_dcs_write_seq(dsi, 0x27, 0x60); + mipi_dsi_dcs_write_seq(dsi, 0x33, 0x70); + mipi_dsi_dcs_write_seq(dsi, 0x34, 0x60); + mipi_dsi_dcs_write_seq(dsi, 0x48, 0x70); + mipi_dsi_dcs_write_seq(dsi, 0x49, 0x60); + mipi_dsi_dcs_write_seq(dsi, 0x5b, 0x00); + mipi_dsi_dcs_write_seq(dsi, 0x61, 0x70); + mipi_dsi_dcs_write_seq(dsi, 0x62, 0x60); + mipi_dsi_dcs_write_seq(dsi, 0xff, 0x26); + mipi_dsi_dcs_write_seq(dsi, 0xfb, 0x01); + mipi_dsi_dcs_write_seq(dsi, 0x02, 0x31); + mipi_dsi_dcs_write_seq(dsi, 0x19, 0x0a); + mipi_dsi_dcs_write_seq(dsi, 0x1a, 0x7f); + mipi_dsi_dcs_write_seq(dsi, 0x1b, 0x0a); + mipi_dsi_dcs_write_seq(dsi, 0x1c, 0x0c); + mipi_dsi_dcs_write_seq(dsi, 0x2a, 0x0a); + mipi_dsi_dcs_write_seq(dsi, 0x2b, 0x7f); + mipi_dsi_dcs_write_seq(dsi, 0x1e, 0x75); + mipi_dsi_dcs_write_seq(dsi, 0x1f, 0x75); + mipi_dsi_dcs_write_seq(dsi, 0x25, 0x75); + mipi_dsi_dcs_write_seq(dsi, MIPI_DCS_SET_PARTIAL_ROWS, 0x75); + mipi_dsi_dcs_write_seq(dsi, MIPI_DCS_SET_PARTIAL_COLUMNS, 0x05); + mipi_dsi_dcs_write_seq(dsi, 0x32, 0x8d); + + ret = mipi_dsi_dcs_set_pixel_format(dsi, 0x75); + if (ret < 0) { + dev_err(dev, "Failed to set pixel format: %d\n", ret); + return ret; + } + + mipi_dsi_dcs_write_seq(dsi, 0xff, 0x2a); + mipi_dsi_dcs_write_seq(dsi, 0xfb, 0x01); + mipi_dsi_dcs_write_seq(dsi, 0x25, 0x75); + mipi_dsi_dcs_write_seq(dsi, 0xff, 0x10); + mipi_dsi_dcs_write_seq(dsi, 0xfb, 0x01); + mipi_dsi_dcs_write_seq(dsi, 0xb9, 0x01); + mipi_dsi_dcs_write_seq(dsi, 0xff, 0x20); + mipi_dsi_dcs_write_seq(dsi, 0xfb, 0x01); + mipi_dsi_dcs_write_seq(dsi, 0x18, 0x40); + mipi_dsi_dcs_write_seq(dsi, 0xff, 0x10); + mipi_dsi_dcs_write_seq(dsi, 0xfb, 0x01); + mipi_dsi_dcs_write_seq(dsi, 0xb9, 0x02); + + ret = mipi_dsi_dcs_set_tear_on(dsi, MIPI_DSI_DCS_TEAR_MODE_VBLANK); + if (ret < 0) { + dev_err(dev, "Failed to set tear on: %d\n", ret); + return ret; + } + + mipi_dsi_dcs_write_seq(dsi, 0xbb, 0x13); + mipi_dsi_dcs_write_seq(dsi, 0x3b, 0x03, 0x5f, 0x1a, 0x04, 0x04); + mipi_dsi_dcs_write_seq(dsi, 0xff, 0x10); + usleep_range(10000, 11000); + mipi_dsi_dcs_write_seq(dsi, 0xfb, 0x01); + + ret = mipi_dsi_dcs_set_display_brightness(dsi, 0); + if (ret < 0) { + dev_err(dev, "Failed to set display brightness: %d\n", ret); + return ret; + } + + mipi_dsi_dcs_write_seq(dsi, MIPI_DCS_WRITE_CONTROL_DISPLAY, 0x2c); + mipi_dsi_dcs_write_seq(dsi, MIPI_DCS_WRITE_POWER_SAVE, 0x00); + mipi_dsi_dcs_write_seq(dsi, 0x68, 0x05, 0x01); + + ret = mipi_dsi_dcs_exit_sleep_mode(dsi); + if (ret < 0) { + dev_err(dev, "Failed to exit sleep mode: %d\n", ret); + return ret; + } + msleep(100); + + ret = mipi_dsi_dcs_set_display_on(dsi); + if (ret < 0) { + dev_err(dev, "Failed to set display on: %d\n", ret); + return ret; + } + msleep(30); + + return 0; +} + +static int nt36523w_boe_off(struct nt36523w_boe *ctx) +{ + struct mipi_dsi_device *dsi = ctx->dsi; + struct device *dev = &dsi->dev; + int ret; + + ret = mipi_dsi_dcs_set_display_off(dsi); + if (ret < 0) { + dev_err(dev, "Failed to set display off: %d\n", ret); + return ret; + } + + ret = mipi_dsi_dcs_enter_sleep_mode(dsi); + if (ret < 0) { + dev_err(dev, "Failed to enter sleep mode: %d\n", ret); + return ret; + } + msleep(80); + + return 0; +} + +static int nt36523w_boe_prepare(struct drm_panel *panel) +{ + struct nt36523w_boe *ctx = to_nt36523w_boe(panel); + struct device *dev = &ctx->dsi->dev; + int ret; + + if (ctx->prepared) + return 0; + + ret = regulator_enable(ctx->supply); + if (ret < 0) { + dev_err(dev, "Failed to enable regulator: %d\n", ret); + return ret; + } + + nt36523w_boe_reset(ctx); + + ret = nt36523w_boe_on(ctx); + if (ret < 0) { + dev_err(dev, "Failed to initialize panel: %d\n", ret); + gpiod_set_value_cansleep(ctx->reset_gpio, 1); + regulator_disable(ctx->supply); + return ret; + } + + ctx->prepared = true; + return 0; +} + +static int nt36523w_boe_unprepare(struct drm_panel *panel) +{ + struct nt36523w_boe *ctx = to_nt36523w_boe(panel); + struct device *dev = &ctx->dsi->dev; + int ret; + + if (!ctx->prepared) + return 0; + + ret = nt36523w_boe_off(ctx); + if (ret < 0) + dev_err(dev, "Failed to un-initialize panel: %d\n", ret); + + gpiod_set_value_cansleep(ctx->reset_gpio, 1); + regulator_disable(ctx->supply); + + ctx->prepared = false; + return 0; +} + +static const struct drm_display_mode nt36523w_boe_mode = { + .clock = (1200 + 58 + 2 + 60) * (2000 + 26 + 2 + 93) * 60 / 1000, + .hdisplay = 1200, + .hsync_start = 1200 + 58, + .hsync_end = 1200 + 58 + 2, + .htotal = 1200 + 58 + 2 + 60, + .vdisplay = 2000, + .vsync_start = 2000 + 26, + .vsync_end = 2000 + 26 + 2, + .vtotal = 2000 + 26 + 2 + 93, + .width_mm = 143, + .height_mm = 235, +}; + +static int nt36523w_boe_get_modes(struct drm_panel *panel, struct drm_connector *connector) +{ + struct drm_display_mode *mode; + + mode = drm_mode_duplicate(connector->dev, &nt36523w_boe_mode); + if (!mode) + return -ENOMEM; + + drm_mode_set_name(mode); + + mode->type = DRM_MODE_TYPE_DRIVER | DRM_MODE_TYPE_PREFERRED; + connector->display_info.width_mm = mode->width_mm; + connector->display_info.height_mm = mode->height_mm; + drm_mode_probed_add(connector, mode); + + return 1; +} + +static enum drm_panel_orientation nt36523w_boe_panel_get_orientation(struct drm_panel *panel) +{ + struct nt36523w_boe *ctx = to_nt36523w_boe(panel); + + return ctx->orientation; +} + +static const struct drm_panel_funcs nt36523w_boe_panel_funcs = { + .prepare = nt36523w_boe_prepare, + .unprepare = nt36523w_boe_unprepare, + .get_modes = nt36523w_boe_get_modes, + .get_orientation = nt36523w_boe_panel_get_orientation, +}; + +static int nt36523w_boe_bl_update_status(struct backlight_device *bl) +{ + struct mipi_dsi_device *dsi = bl_get_data(bl); + u16 brightness = backlight_get_brightness(bl); + int ret; + + dsi->mode_flags &= ~MIPI_DSI_MODE_LPM; + + ret = mipi_dsi_dcs_set_display_brightness_large(dsi, brightness); + if (ret < 0) + return ret; + + dsi->mode_flags |= MIPI_DSI_MODE_LPM; + + return 0; +} + +static int nt36523w_boe_bl_get_brightness(struct backlight_device *bl) +{ + struct mipi_dsi_device *dsi = bl_get_data(bl); + u16 brightness; + int ret; + + dsi->mode_flags &= ~MIPI_DSI_MODE_LPM; + + ret = mipi_dsi_dcs_get_display_brightness_large(dsi, &brightness); + if (ret < 0) + return ret; + + dsi->mode_flags |= MIPI_DSI_MODE_LPM; + + return brightness; +} + +static const struct backlight_ops nt36523w_boe_bl_ops = { + .update_status = nt36523w_boe_bl_update_status, + .get_brightness = nt36523w_boe_bl_get_brightness, +}; + +static struct backlight_device *nt36523w_boe_create_backlight(struct mipi_dsi_device *dsi) +{ + struct device *dev = &dsi->dev; + const struct backlight_properties props = { + .type = BACKLIGHT_RAW, + .brightness = 512, + .max_brightness = 4095, + }; + + return devm_backlight_device_register(dev, dev_name(dev), dev, dsi, + &nt36523w_boe_bl_ops, &props); +} + +static int nt36523w_boe_probe(struct mipi_dsi_device *dsi) +{ + struct device *dev = &dsi->dev; + struct nt36523w_boe *ctx; + int ret; + + ctx = devm_kzalloc(dev, sizeof(*ctx), GFP_KERNEL); + if (!ctx) + return -ENOMEM; + + ctx->supply = devm_regulator_get(dev, "vddio"); + if (IS_ERR(ctx->supply)) + return dev_err_probe(dev, PTR_ERR(ctx->supply), + "Failed to get vddio regulator\n"); + + ctx->reset_gpio = devm_gpiod_get(dev, "reset", GPIOD_OUT_HIGH); + if (IS_ERR(ctx->reset_gpio)) + return dev_err_probe(dev, PTR_ERR(ctx->reset_gpio), + "Failed to get reset-gpios\n"); + + ctx->dsi = dsi; + 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_CLOCK_NON_CONTINUOUS | MIPI_DSI_MODE_LPM; + + drm_panel_init(&ctx->panel, dev, &nt36523w_boe_panel_funcs, + DRM_MODE_CONNECTOR_DSI); + + ret = of_drm_get_panel_orientation(dev->of_node, &ctx->orientation); + if (ret < 0) { + dev_err(dev, "%pOF: failed to get orientation %d\n", dev->of_node, ret); + return ret; + } + + ctx->panel.backlight = nt36523w_boe_create_backlight(dsi); + if (IS_ERR(ctx->panel.backlight)) + return dev_err_probe(dev, PTR_ERR(ctx->panel.backlight), + "Failed to create backlight\n"); + + drm_panel_add(&ctx->panel); + + ret = mipi_dsi_attach(dsi); + if (ret < 0) { + dev_err(dev, "Failed to attach to DSI host: %d\n", ret); + drm_panel_remove(&ctx->panel); + return ret; + } + + return 0; +} + +static void nt36523w_boe_remove(struct mipi_dsi_device *dsi) +{ + struct nt36523w_boe *ctx = mipi_dsi_get_drvdata(dsi); + int ret; + + 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 of_device_id nt36523w_boe_of_match[] = { + { .compatible = "lenovo,nt36523w-boe-j606" }, + { } +}; +MODULE_DEVICE_TABLE(of, nt36523w_boe_of_match); + +static struct mipi_dsi_driver nt36523w_boe_driver = { + .probe = nt36523w_boe_probe, + .remove = nt36523w_boe_remove, + .driver = { + .name = "panel-nt36523w-boe-2k", + .of_match_table = nt36523w_boe_of_match, + }, +}; +module_mipi_dsi_driver(nt36523w_boe_driver); + +MODULE_DESCRIPTION("DRM panel driver for Lenovo Tab P11 BOE panel"); +MODULE_LICENSE("GPL"); -- 2.39.2