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[220.246.252.84]) by smtp.gmail.com with ESMTPSA id g4-20020a62e304000000b005a8173829d5sm1406754pfh.66.2023.03.11.04.32.48 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Sat, 11 Mar 2023 04:32:54 -0800 (PST) From: Jianhua Lu To: Thierry Reding , Sam Ravnborg , David Airlie , Daniel Vetter , Rob Herring , Krzysztof Kozlowski , Linus Walleij , Konrad Dybcio , Neil Armstrong Cc: dri-devel@lists.freedesktop.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, ~postmarketos/upstreaming@lists.sr.ht, phone-devel@vger.kernel.org, Jianhua Lu Subject: [PATCH v5 2/2] drm/panel: Add driver for Novatek NT36523 Date: Sat, 11 Mar 2023 20:32:31 +0800 Message-Id: <20230311123231.20771-2-lujianhua000@gmail.com> X-Mailer: git-send-email 2.39.2 In-Reply-To: <20230311123231.20771-1-lujianhua000@gmail.com> References: <20230311123231.20771-1-lujianhua000@gmail.com> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Add a driver for panels using the Novatek NT36523 display driver IC. Signed-off-by: Jianhua Lu --- Changes in v5: - use lowercase hex for init sequence - fix code style - enable DRM_MODE_TYPE_PREFERRED if where is only one mode. Changes in v4: - add multiple modes support - use dev_err_probe helper - fix dsi_info type string - reimplement mipi_dsi_dual_dcs_write_seq() macro Changes in v3: - Refactor source code Changes in v2: - Refactor and clean up source code MAINTAINERS | 7 + drivers/gpu/drm/panel/Kconfig | 10 + drivers/gpu/drm/panel/Makefile | 1 + drivers/gpu/drm/panel/panel-novatek-nt36523.c | 777 ++++++++++++++++++ 4 files changed, 795 insertions(+) create mode 100644 drivers/gpu/drm/panel/panel-novatek-nt36523.c diff --git a/MAINTAINERS b/MAINTAINERS index 5383af5d3b45..3586248bb05d 100644 --- a/MAINTAINERS +++ b/MAINTAINERS @@ -6537,6 +6537,13 @@ T: git git://anongit.freedesktop.org/drm/drm-misc F: Documentation/devicetree/bindings/display/panel/sony,acx424akp.yaml F: drivers/gpu/drm/panel/panel-novatek-nt35560.c +DRM DRIVER FOR NOVATEK NT36523 PANELS +M: Jianhua Lu +S: Maintained +T: git git://anongit.freedesktop.org/drm/drm-misc +F: Documentation/devicetree/bindings/display/panel/novatek,nt36523.yaml +F: drivers/gpu/drm/panel/panel-novatek-nt36523.c + DRM DRIVER FOR NOVATEK NT36672A PANELS M: Sumit Semwal S: Maintained diff --git a/drivers/gpu/drm/panel/Kconfig b/drivers/gpu/drm/panel/Kconfig index 8eeee71c0000..268508743b5c 100644 --- a/drivers/gpu/drm/panel/Kconfig +++ b/drivers/gpu/drm/panel/Kconfig @@ -377,6 +377,16 @@ config DRM_PANEL_NOVATEK_NT35950 Sharp panels used in Sony Xperia Z5 Premium and XZ Premium mobile phones. +config DRM_PANEL_NOVATEK_NT36523 + tristate "Novatek NT36523 panel driver" + depends on OF + depends on DRM_MIPI_DSI + depends on BACKLIGHT_CLASS_DEVICE + help + Say Y here if you want to enable support for the panels built + around the Novatek NT36523 display controller, such as some + Boe panels used in Xiaomi Mi Pad 5 and 5 Pro tablets. + config DRM_PANEL_NOVATEK_NT36672A tristate "Novatek NT36672A DSI panel" depends on OF diff --git a/drivers/gpu/drm/panel/Makefile b/drivers/gpu/drm/panel/Makefile index c05aa9e23907..570eab8bf2b2 100644 --- a/drivers/gpu/drm/panel/Makefile +++ b/drivers/gpu/drm/panel/Makefile @@ -35,6 +35,7 @@ obj-$(CONFIG_DRM_PANEL_NEWVISION_NV3052C) += panel-newvision-nv3052c.o obj-$(CONFIG_DRM_PANEL_NOVATEK_NT35510) += panel-novatek-nt35510.o obj-$(CONFIG_DRM_PANEL_NOVATEK_NT35560) += panel-novatek-nt35560.o obj-$(CONFIG_DRM_PANEL_NOVATEK_NT35950) += panel-novatek-nt35950.o +obj-$(CONFIG_DRM_PANEL_NOVATEK_NT36523) += panel-novatek-nt36523.o obj-$(CONFIG_DRM_PANEL_NOVATEK_NT36672A) += panel-novatek-nt36672a.o obj-$(CONFIG_DRM_PANEL_NOVATEK_NT39016) += panel-novatek-nt39016.o obj-$(CONFIG_DRM_PANEL_MANTIX_MLAF057WE51) += panel-mantix-mlaf057we51.o diff --git a/drivers/gpu/drm/panel/panel-novatek-nt36523.c b/drivers/gpu/drm/panel/panel-novatek-nt36523.c new file mode 100644 index 000000000000..86b38be35c4e --- /dev/null +++ b/drivers/gpu/drm/panel/panel-novatek-nt36523.c @@ -0,0 +1,777 @@ +// SPDX-License-Identifier: GPL-2.0-only +/* + * Novatek NT36523 DriverIC panels driver + * + * Copyright (c) 2022, 2023 Jianhua Lu + */ + +#include +#include +#include +#include +#include +#include + +#include +#include +#include +#include +#include + +#define DSI_NUM_MIN 1 + +#define mipi_dsi_dual_dcs_write_seq(dsi0, dsi1, cmd, seq...) \ + do { \ + mipi_dsi_dcs_write_seq(dsi0, cmd, seq); \ + mipi_dsi_dcs_write_seq(dsi1, cmd, seq); \ + } while (0) + +struct panel_info { + struct drm_panel panel; + struct mipi_dsi_device *dsi[2]; + const struct panel_desc *desc; + + struct gpio_desc *reset_gpio; + struct backlight_device *backlight; + struct regulator *vddio; + + bool prepared; +}; + +struct panel_desc { + unsigned int width_mm; + unsigned int height_mm; + + unsigned int bpc; + unsigned int lanes; + unsigned long mode_flags; + enum mipi_dsi_pixel_format format; + + const struct drm_display_mode *modes; + unsigned int num_modes; + const struct mipi_dsi_device_info dsi_info; + int (*init_sequence)(struct panel_info *pinfo); + + bool is_dual_dsi; +}; + +static inline struct panel_info *to_panel_info(struct drm_panel *panel) +{ + return container_of(panel, struct panel_info, panel); +} + +static int elish_boe_init_sequence(struct panel_info *pinfo) +{ + struct mipi_dsi_device *dsi0 = pinfo->dsi[0]; + struct mipi_dsi_device *dsi1 = pinfo->dsi[1]; + /* No datasheet, so write magic init sequence directly */ + mipi_dsi_dual_dcs_write_seq(dsi0, dsi1, 0xff, 0x10); + mipi_dsi_dual_dcs_write_seq(dsi0, dsi1, 0xfb, 0x01); + mipi_dsi_dual_dcs_write_seq(dsi0, dsi1, 0xb9, 0x05); + mipi_dsi_dual_dcs_write_seq(dsi0, dsi1, 0xff, 0x20); + mipi_dsi_dual_dcs_write_seq(dsi0, dsi1, 0xfb, 0x01); + mipi_dsi_dual_dcs_write_seq(dsi0, dsi1, 0x18, 0x40); + mipi_dsi_dual_dcs_write_seq(dsi0, dsi1, 0xff, 0x10); + mipi_dsi_dual_dcs_write_seq(dsi0, dsi1, 0xfb, 0x01); + mipi_dsi_dual_dcs_write_seq(dsi0, dsi1, 0xb9, 0x02); + mipi_dsi_dual_dcs_write_seq(dsi0, dsi1, 0xff, 0x23); + mipi_dsi_dual_dcs_write_seq(dsi0, dsi1, 0xfb, 0x01); + mipi_dsi_dual_dcs_write_seq(dsi0, dsi1, 0x00, 0x80); + mipi_dsi_dual_dcs_write_seq(dsi0, dsi1, 0x01, 0x84); + mipi_dsi_dual_dcs_write_seq(dsi0, dsi1, 0x05, 0x2d); + mipi_dsi_dual_dcs_write_seq(dsi0, dsi1, 0x06, 0x00); + mipi_dsi_dual_dcs_write_seq(dsi0, dsi1, 0x07, 0x00); + mipi_dsi_dual_dcs_write_seq(dsi0, dsi1, 0x08, 0x01); + mipi_dsi_dual_dcs_write_seq(dsi0, dsi1, 0x09, 0x45); + mipi_dsi_dual_dcs_write_seq(dsi0, dsi1, 0x11, 0x02); + mipi_dsi_dual_dcs_write_seq(dsi0, dsi1, 0x12, 0x80); + mipi_dsi_dual_dcs_write_seq(dsi0, dsi1, 0x15, 0x83); + mipi_dsi_dual_dcs_write_seq(dsi0, dsi1, 0x16, 0x0c); + mipi_dsi_dual_dcs_write_seq(dsi0, dsi1, 0x29, 0x0a); + mipi_dsi_dual_dcs_write_seq(dsi0, dsi1, 0x30, 0xff); + mipi_dsi_dual_dcs_write_seq(dsi0, dsi1, 0x31, 0xfe); + mipi_dsi_dual_dcs_write_seq(dsi0, dsi1, 0x32, 0xfd); + mipi_dsi_dual_dcs_write_seq(dsi0, dsi1, 0x33, 0xfb); + mipi_dsi_dual_dcs_write_seq(dsi0, dsi1, 0x34, 0xf8); + mipi_dsi_dual_dcs_write_seq(dsi0, dsi1, 0x35, 0xf5); + mipi_dsi_dual_dcs_write_seq(dsi0, dsi1, 0x36, 0xf3); + mipi_dsi_dual_dcs_write_seq(dsi0, dsi1, 0x37, 0xf2); + mipi_dsi_dual_dcs_write_seq(dsi0, dsi1, 0x38, 0xf2); + mipi_dsi_dual_dcs_write_seq(dsi0, dsi1, 0x39, 0xf2); + mipi_dsi_dual_dcs_write_seq(dsi0, dsi1, 0x3a, 0xef); + mipi_dsi_dual_dcs_write_seq(dsi0, dsi1, 0x3b, 0xec); + mipi_dsi_dual_dcs_write_seq(dsi0, dsi1, 0x3d, 0xe9); + mipi_dsi_dual_dcs_write_seq(dsi0, dsi1, 0x3f, 0xe5); + mipi_dsi_dual_dcs_write_seq(dsi0, dsi1, 0x40, 0xe5); + mipi_dsi_dual_dcs_write_seq(dsi0, dsi1, 0x41, 0xe5); + mipi_dsi_dual_dcs_write_seq(dsi0, dsi1, 0x2a, 0x13); + mipi_dsi_dual_dcs_write_seq(dsi0, dsi1, 0x45, 0xff); + mipi_dsi_dual_dcs_write_seq(dsi0, dsi1, 0x46, 0xf4); + mipi_dsi_dual_dcs_write_seq(dsi0, dsi1, 0x47, 0xe7); + mipi_dsi_dual_dcs_write_seq(dsi0, dsi1, 0x48, 0xda); + mipi_dsi_dual_dcs_write_seq(dsi0, dsi1, 0x49, 0xcd); + mipi_dsi_dual_dcs_write_seq(dsi0, dsi1, 0x4a, 0xc0); + mipi_dsi_dual_dcs_write_seq(dsi0, dsi1, 0x4b, 0xb3); + mipi_dsi_dual_dcs_write_seq(dsi0, dsi1, 0x4c, 0xb2); + mipi_dsi_dual_dcs_write_seq(dsi0, dsi1, 0x4d, 0xb2); + mipi_dsi_dual_dcs_write_seq(dsi0, dsi1, 0x4e, 0xb2); + mipi_dsi_dual_dcs_write_seq(dsi0, dsi1, 0x4f, 0x99); + mipi_dsi_dual_dcs_write_seq(dsi0, dsi1, 0x50, 0x80); + mipi_dsi_dual_dcs_write_seq(dsi0, dsi1, 0x51, 0x68); + mipi_dsi_dual_dcs_write_seq(dsi0, dsi1, 0x52, 0x66); + mipi_dsi_dual_dcs_write_seq(dsi0, dsi1, 0x53, 0x66); + mipi_dsi_dual_dcs_write_seq(dsi0, dsi1, 0x54, 0x66); + mipi_dsi_dual_dcs_write_seq(dsi0, dsi1, 0x2b, 0x0e); + mipi_dsi_dual_dcs_write_seq(dsi0, dsi1, 0x58, 0xff); + mipi_dsi_dual_dcs_write_seq(dsi0, dsi1, 0x59, 0xfb); + mipi_dsi_dual_dcs_write_seq(dsi0, dsi1, 0x5a, 0xf7); + mipi_dsi_dual_dcs_write_seq(dsi0, dsi1, 0x5b, 0xf3); + mipi_dsi_dual_dcs_write_seq(dsi0, dsi1, 0x5c, 0xef); + mipi_dsi_dual_dcs_write_seq(dsi0, dsi1, 0x5d, 0xe3); + mipi_dsi_dual_dcs_write_seq(dsi0, dsi1, 0x5e, 0xda); + mipi_dsi_dual_dcs_write_seq(dsi0, dsi1, 0x5f, 0xd8); + mipi_dsi_dual_dcs_write_seq(dsi0, dsi1, 0x60, 0xd8); + mipi_dsi_dual_dcs_write_seq(dsi0, dsi1, 0x61, 0xd8); + mipi_dsi_dual_dcs_write_seq(dsi0, dsi1, 0x62, 0xcb); + mipi_dsi_dual_dcs_write_seq(dsi0, dsi1, 0x63, 0xbf); + mipi_dsi_dual_dcs_write_seq(dsi0, dsi1, 0x64, 0xb3); + mipi_dsi_dual_dcs_write_seq(dsi0, dsi1, 0x65, 0xb2); + mipi_dsi_dual_dcs_write_seq(dsi0, dsi1, 0x66, 0xb2); + mipi_dsi_dual_dcs_write_seq(dsi0, dsi1, 0x67, 0xb2); + mipi_dsi_dual_dcs_write_seq(dsi0, dsi1, 0xff, 0x2a); + mipi_dsi_dual_dcs_write_seq(dsi0, dsi1, 0xfb, 0x01); + mipi_dsi_dual_dcs_write_seq(dsi0, dsi1, 0x25, 0x47); + mipi_dsi_dual_dcs_write_seq(dsi0, dsi1, 0x30, 0x47); + mipi_dsi_dual_dcs_write_seq(dsi0, dsi1, 0x39, 0x47); + mipi_dsi_dual_dcs_write_seq(dsi0, dsi1, 0xff, 0x26); + mipi_dsi_dual_dcs_write_seq(dsi0, dsi1, 0xfb, 0x01); + mipi_dsi_dual_dcs_write_seq(dsi0, dsi1, 0x19, 0x10); + mipi_dsi_dual_dcs_write_seq(dsi0, dsi1, 0x1a, 0xe0); + mipi_dsi_dual_dcs_write_seq(dsi0, dsi1, 0x1b, 0x10); + mipi_dsi_dual_dcs_write_seq(dsi0, dsi1, 0x1c, 0x00); + mipi_dsi_dual_dcs_write_seq(dsi0, dsi1, 0x2a, 0x10); + mipi_dsi_dual_dcs_write_seq(dsi0, dsi1, 0x2b, 0xe0); + mipi_dsi_dual_dcs_write_seq(dsi0, dsi1, 0xff, 0x10); + mipi_dsi_dual_dcs_write_seq(dsi0, dsi1, 0xfb, 0x01); + mipi_dsi_dual_dcs_write_seq(dsi0, dsi1, 0xff, 0xf0); + mipi_dsi_dual_dcs_write_seq(dsi0, dsi1, 0xfb, 0x01); + mipi_dsi_dual_dcs_write_seq(dsi0, dsi1, 0x84, 0x08); + mipi_dsi_dual_dcs_write_seq(dsi0, dsi1, 0x85, 0x0c); + mipi_dsi_dual_dcs_write_seq(dsi0, dsi1, 0xff, 0x20); + mipi_dsi_dual_dcs_write_seq(dsi0, dsi1, 0xfb, 0x01); + mipi_dsi_dual_dcs_write_seq(dsi0, dsi1, 0x51, 0x00); + mipi_dsi_dual_dcs_write_seq(dsi0, dsi1, 0xff, 0x25); + mipi_dsi_dual_dcs_write_seq(dsi0, dsi1, 0xfb, 0x01); + mipi_dsi_dual_dcs_write_seq(dsi0, dsi1, 0x91, 0x1f); + mipi_dsi_dual_dcs_write_seq(dsi0, dsi1, 0x92, 0x0f); + mipi_dsi_dual_dcs_write_seq(dsi0, dsi1, 0x93, 0x01); + mipi_dsi_dual_dcs_write_seq(dsi0, dsi1, 0x94, 0x18); + mipi_dsi_dual_dcs_write_seq(dsi0, dsi1, 0x95, 0x03); + mipi_dsi_dual_dcs_write_seq(dsi0, dsi1, 0x96, 0x01); + mipi_dsi_dual_dcs_write_seq(dsi0, dsi1, 0xff, 0x10); + mipi_dsi_dual_dcs_write_seq(dsi0, dsi1, 0xb0, 0x01); + mipi_dsi_dual_dcs_write_seq(dsi0, dsi1, 0xff, 0x25); + mipi_dsi_dual_dcs_write_seq(dsi0, dsi1, 0xfb, 0x01); + mipi_dsi_dual_dcs_write_seq(dsi0, dsi1, 0x19, 0x1f); + mipi_dsi_dual_dcs_write_seq(dsi0, dsi1, 0x1b, 0x1b); + mipi_dsi_dual_dcs_write_seq(dsi0, dsi1, 0xff, 0x24); + mipi_dsi_dual_dcs_write_seq(dsi0, dsi1, 0xfb, 0x01); + mipi_dsi_dual_dcs_write_seq(dsi0, dsi1, 0xb8, 0x28); + mipi_dsi_dual_dcs_write_seq(dsi0, dsi1, 0xff, 0x27); + mipi_dsi_dual_dcs_write_seq(dsi0, dsi1, 0xfb, 0x01); + mipi_dsi_dual_dcs_write_seq(dsi0, dsi1, 0xd0, 0x31); + mipi_dsi_dual_dcs_write_seq(dsi0, dsi1, 0xd1, 0x20); + mipi_dsi_dual_dcs_write_seq(dsi0, dsi1, 0xd2, 0x30); + mipi_dsi_dual_dcs_write_seq(dsi0, dsi1, 0xd4, 0x08); + mipi_dsi_dual_dcs_write_seq(dsi0, dsi1, 0xde, 0x80); + mipi_dsi_dual_dcs_write_seq(dsi0, dsi1, 0xdf, 0x02); + mipi_dsi_dual_dcs_write_seq(dsi0, dsi1, 0xff, 0x26); + mipi_dsi_dual_dcs_write_seq(dsi0, dsi1, 0xfb, 0x01); + mipi_dsi_dual_dcs_write_seq(dsi0, dsi1, 0x00, 0x81); + mipi_dsi_dual_dcs_write_seq(dsi0, dsi1, 0x01, 0xb0); + mipi_dsi_dual_dcs_write_seq(dsi0, dsi1, 0xff, 0x22); + mipi_dsi_dual_dcs_write_seq(dsi0, dsi1, 0xfb, 0x01); + mipi_dsi_dual_dcs_write_seq(dsi0, dsi1, 0x9f, 0x50); + mipi_dsi_dual_dcs_write_seq(dsi0, dsi1, 0x6f, 0x01); + mipi_dsi_dual_dcs_write_seq(dsi0, dsi1, 0x70, 0x11); + mipi_dsi_dual_dcs_write_seq(dsi0, dsi1, 0x73, 0x01); + mipi_dsi_dual_dcs_write_seq(dsi0, dsi1, 0x74, 0x49); + mipi_dsi_dual_dcs_write_seq(dsi0, dsi1, 0x76, 0x01); + mipi_dsi_dual_dcs_write_seq(dsi0, dsi1, 0x77, 0x49); + mipi_dsi_dual_dcs_write_seq(dsi0, dsi1, 0xa0, 0x3f); + mipi_dsi_dual_dcs_write_seq(dsi0, dsi1, 0xa9, 0x50); + mipi_dsi_dual_dcs_write_seq(dsi0, dsi1, 0xaa, 0x28); + mipi_dsi_dual_dcs_write_seq(dsi0, dsi1, 0xab, 0x28); + mipi_dsi_dual_dcs_write_seq(dsi0, dsi1, 0xad, 0x10); + mipi_dsi_dual_dcs_write_seq(dsi0, dsi1, 0xb8, 0x00); + mipi_dsi_dual_dcs_write_seq(dsi0, dsi1, 0xb9, 0x49); + mipi_dsi_dual_dcs_write_seq(dsi0, dsi1, 0xba, 0x49); + mipi_dsi_dual_dcs_write_seq(dsi0, dsi1, 0xbb, 0x49); + mipi_dsi_dual_dcs_write_seq(dsi0, dsi1, 0xbe, 0x04); + mipi_dsi_dual_dcs_write_seq(dsi0, dsi1, 0xbf, 0x49); + mipi_dsi_dual_dcs_write_seq(dsi0, dsi1, 0xc0, 0x04); + mipi_dsi_dual_dcs_write_seq(dsi0, dsi1, 0xc1, 0x59); + mipi_dsi_dual_dcs_write_seq(dsi0, dsi1, 0xc2, 0x00); + mipi_dsi_dual_dcs_write_seq(dsi0, dsi1, 0xc5, 0x00); + mipi_dsi_dual_dcs_write_seq(dsi0, dsi1, 0xc6, 0x01); + mipi_dsi_dual_dcs_write_seq(dsi0, dsi1, 0xc7, 0x48); + mipi_dsi_dual_dcs_write_seq(dsi0, dsi1, 0xca, 0x43); + mipi_dsi_dual_dcs_write_seq(dsi0, dsi1, 0xcb, 0x3c); + mipi_dsi_dual_dcs_write_seq(dsi0, dsi1, 0xce, 0x00); + mipi_dsi_dual_dcs_write_seq(dsi0, dsi1, 0xcf, 0x43); + mipi_dsi_dual_dcs_write_seq(dsi0, dsi1, 0xd0, 0x3c); + mipi_dsi_dual_dcs_write_seq(dsi0, dsi1, 0xd3, 0x43); + mipi_dsi_dual_dcs_write_seq(dsi0, dsi1, 0xd4, 0x3c); + mipi_dsi_dual_dcs_write_seq(dsi0, dsi1, 0xd7, 0x00); + mipi_dsi_dual_dcs_write_seq(dsi0, dsi1, 0xdc, 0x43); + mipi_dsi_dual_dcs_write_seq(dsi0, dsi1, 0xdd, 0x3c); + mipi_dsi_dual_dcs_write_seq(dsi0, dsi1, 0xe1, 0x43); + mipi_dsi_dual_dcs_write_seq(dsi0, dsi1, 0xe2, 0x3c); + mipi_dsi_dual_dcs_write_seq(dsi0, dsi1, 0xf2, 0x00); + mipi_dsi_dual_dcs_write_seq(dsi0, dsi1, 0xf3, 0x01); + mipi_dsi_dual_dcs_write_seq(dsi0, dsi1, 0xf4, 0x48); + mipi_dsi_dual_dcs_write_seq(dsi0, dsi1, 0xff, 0x25); + mipi_dsi_dual_dcs_write_seq(dsi0, dsi1, 0xfb, 0x01); + mipi_dsi_dual_dcs_write_seq(dsi0, dsi1, 0x13, 0x01); + mipi_dsi_dual_dcs_write_seq(dsi0, dsi1, 0x14, 0x23); + mipi_dsi_dual_dcs_write_seq(dsi0, dsi1, 0xbc, 0x01); + mipi_dsi_dual_dcs_write_seq(dsi0, dsi1, 0xbd, 0x23); + mipi_dsi_dual_dcs_write_seq(dsi0, dsi1, 0xff, 0x2a); + mipi_dsi_dual_dcs_write_seq(dsi0, dsi1, 0xfb, 0x01); + mipi_dsi_dual_dcs_write_seq(dsi0, dsi1, 0x97, 0x3c); + mipi_dsi_dual_dcs_write_seq(dsi0, dsi1, 0x98, 0x02); + mipi_dsi_dual_dcs_write_seq(dsi0, dsi1, 0x99, 0x95); + mipi_dsi_dual_dcs_write_seq(dsi0, dsi1, 0x9a, 0x03); + mipi_dsi_dual_dcs_write_seq(dsi0, dsi1, 0x9b, 0x00); + mipi_dsi_dual_dcs_write_seq(dsi0, dsi1, 0x9c, 0x0b); + mipi_dsi_dual_dcs_write_seq(dsi0, dsi1, 0x9d, 0x0a); + mipi_dsi_dual_dcs_write_seq(dsi0, dsi1, 0x9e, 0x90); + mipi_dsi_dual_dcs_write_seq(dsi0, dsi1, 0xff, 0x22); + mipi_dsi_dual_dcs_write_seq(dsi0, dsi1, 0xfb, 0x01); + mipi_dsi_dual_dcs_write_seq(dsi0, dsi1, 0x9f, 0x50); + mipi_dsi_dual_dcs_write_seq(dsi0, dsi1, 0xff, 0x23); + mipi_dsi_dual_dcs_write_seq(dsi0, dsi1, 0xfb, 0x01); + mipi_dsi_dual_dcs_write_seq(dsi0, dsi1, 0xa3, 0x50); + mipi_dsi_dual_dcs_write_seq(dsi0, dsi1, 0xff, 0xe0); + mipi_dsi_dual_dcs_write_seq(dsi0, dsi1, 0xfb, 0x01); + mipi_dsi_dual_dcs_write_seq(dsi0, dsi1, 0x14, 0x60); + mipi_dsi_dual_dcs_write_seq(dsi0, dsi1, 0x16, 0xc0); + mipi_dsi_dual_dcs_write_seq(dsi0, dsi1, 0x4f, 0x02); + mipi_dsi_dual_dcs_write_seq(dsi0, dsi1, 0xff, 0xf0); + mipi_dsi_dual_dcs_write_seq(dsi0, dsi1, 0xfb, 0x01); + mipi_dsi_dual_dcs_write_seq(dsi0, dsi1, 0x3a, 0x08); + mipi_dsi_dual_dcs_write_seq(dsi0, dsi1, 0xff, 0xd0); + mipi_dsi_dual_dcs_write_seq(dsi0, dsi1, 0xfb, 0x01); + mipi_dsi_dual_dcs_write_seq(dsi0, dsi1, 0x02, 0xaf); + mipi_dsi_dual_dcs_write_seq(dsi0, dsi1, 0x09, 0xee); + mipi_dsi_dual_dcs_write_seq(dsi0, dsi1, 0x1c, 0x99); + mipi_dsi_dual_dcs_write_seq(dsi0, dsi1, 0x1d, 0x09); + mipi_dsi_dual_dcs_write_seq(dsi0, dsi1, 0xff, 0x10); + mipi_dsi_dual_dcs_write_seq(dsi0, dsi1, 0xfb, 0x01); + mipi_dsi_dual_dcs_write_seq(dsi0, dsi1, 0x51, 0x0f, 0xff); + mipi_dsi_dual_dcs_write_seq(dsi0, dsi1, 0x53, 0x2c); + mipi_dsi_dual_dcs_write_seq(dsi0, dsi1, 0x35, 0x00); + mipi_dsi_dual_dcs_write_seq(dsi0, dsi1, 0xbb, 0x13); + mipi_dsi_dual_dcs_write_seq(dsi0, dsi1, 0x3b, 0x03, 0xac, 0x1a, 0x04, 0x04); + mipi_dsi_dual_dcs_write_seq(dsi0, dsi1, 0x11); + msleep(70); + mipi_dsi_dual_dcs_write_seq(dsi0, dsi1, 0x29); + + return 0; +} + +static int elish_csot_init_sequence(struct panel_info *pinfo) +{ + struct mipi_dsi_device *dsi0 = pinfo->dsi[0]; + struct mipi_dsi_device *dsi1 = pinfo->dsi[1]; + /* No datasheet, so write magic init sequence directly */ + mipi_dsi_dual_dcs_write_seq(dsi0, dsi1, 0xff, 0x10); + mipi_dsi_dual_dcs_write_seq(dsi0, dsi1, 0xfb, 0x01); + mipi_dsi_dual_dcs_write_seq(dsi0, dsi1, 0xb9, 0x05); + mipi_dsi_dual_dcs_write_seq(dsi0, dsi1, 0xff, 0x20); + mipi_dsi_dual_dcs_write_seq(dsi0, dsi1, 0xfb, 0x01); + mipi_dsi_dual_dcs_write_seq(dsi0, dsi1, 0x18, 0x40); + mipi_dsi_dual_dcs_write_seq(dsi0, dsi1, 0xff, 0x10); + mipi_dsi_dual_dcs_write_seq(dsi0, dsi1, 0xfb, 0x01); + mipi_dsi_dual_dcs_write_seq(dsi0, dsi1, 0xb9, 0x02); + mipi_dsi_dual_dcs_write_seq(dsi0, dsi1, 0xff, 0xd0); + mipi_dsi_dual_dcs_write_seq(dsi0, dsi1, 0xfb, 0x01); + mipi_dsi_dual_dcs_write_seq(dsi0, dsi1, 0x02, 0xaf); + mipi_dsi_dual_dcs_write_seq(dsi0, dsi1, 0x00, 0x30); + mipi_dsi_dual_dcs_write_seq(dsi0, dsi1, 0x09, 0xee); + mipi_dsi_dual_dcs_write_seq(dsi0, dsi1, 0x1c, 0x99); + mipi_dsi_dual_dcs_write_seq(dsi0, dsi1, 0x1d, 0x09); + mipi_dsi_dual_dcs_write_seq(dsi0, dsi1, 0xff, 0xf0); + mipi_dsi_dual_dcs_write_seq(dsi0, dsi1, 0xfb, 0x01); + mipi_dsi_dual_dcs_write_seq(dsi0, dsi1, 0x3a, 0x08); + mipi_dsi_dual_dcs_write_seq(dsi0, dsi1, 0xff, 0xe0); + mipi_dsi_dual_dcs_write_seq(dsi0, dsi1, 0xfb, 0x01); + mipi_dsi_dual_dcs_write_seq(dsi0, dsi1, 0x4f, 0x02); + mipi_dsi_dual_dcs_write_seq(dsi0, dsi1, 0xff, 0x20); + mipi_dsi_dual_dcs_write_seq(dsi0, dsi1, 0xfb, 0x01); + mipi_dsi_dual_dcs_write_seq(dsi0, dsi1, 0x58, 0x40); + mipi_dsi_dual_dcs_write_seq(dsi0, dsi1, 0xff, 0x10); + mipi_dsi_dual_dcs_write_seq(dsi0, dsi1, 0xfb, 0x01); + mipi_dsi_dual_dcs_write_seq(dsi0, dsi1, 0x35, 0x00); + mipi_dsi_dual_dcs_write_seq(dsi0, dsi1, 0xff, 0x23); + mipi_dsi_dual_dcs_write_seq(dsi0, dsi1, 0xfb, 0x01); + mipi_dsi_dual_dcs_write_seq(dsi0, dsi1, 0x00, 0x80); + mipi_dsi_dual_dcs_write_seq(dsi0, dsi1, 0x01, 0x84); + mipi_dsi_dual_dcs_write_seq(dsi0, dsi1, 0x05, 0x2d); + mipi_dsi_dual_dcs_write_seq(dsi0, dsi1, 0x06, 0x00); + mipi_dsi_dual_dcs_write_seq(dsi0, dsi1, 0x07, 0x00); + mipi_dsi_dual_dcs_write_seq(dsi0, dsi1, 0x08, 0x01); + mipi_dsi_dual_dcs_write_seq(dsi0, dsi1, 0x09, 0x45); + mipi_dsi_dual_dcs_write_seq(dsi0, dsi1, 0x11, 0x02); + mipi_dsi_dual_dcs_write_seq(dsi0, dsi1, 0x12, 0x80); + mipi_dsi_dual_dcs_write_seq(dsi0, dsi1, 0x15, 0x83); + mipi_dsi_dual_dcs_write_seq(dsi0, dsi1, 0x16, 0x0c); + mipi_dsi_dual_dcs_write_seq(dsi0, dsi1, 0x29, 0x0a); + mipi_dsi_dual_dcs_write_seq(dsi0, dsi1, 0x30, 0xff); + mipi_dsi_dual_dcs_write_seq(dsi0, dsi1, 0x31, 0xfe); + mipi_dsi_dual_dcs_write_seq(dsi0, dsi1, 0x32, 0xfd); + mipi_dsi_dual_dcs_write_seq(dsi0, dsi1, 0x33, 0xfb); + mipi_dsi_dual_dcs_write_seq(dsi0, dsi1, 0x34, 0xf8); + mipi_dsi_dual_dcs_write_seq(dsi0, dsi1, 0x35, 0xf5); + mipi_dsi_dual_dcs_write_seq(dsi0, dsi1, 0x36, 0xf3); + mipi_dsi_dual_dcs_write_seq(dsi0, dsi1, 0x37, 0xf2); + mipi_dsi_dual_dcs_write_seq(dsi0, dsi1, 0x38, 0xf2); + mipi_dsi_dual_dcs_write_seq(dsi0, dsi1, 0x39, 0xf2); + mipi_dsi_dual_dcs_write_seq(dsi0, dsi1, 0x3a, 0xef); + mipi_dsi_dual_dcs_write_seq(dsi0, dsi1, 0x3b, 0xec); + mipi_dsi_dual_dcs_write_seq(dsi0, dsi1, 0x3d, 0xe9); + mipi_dsi_dual_dcs_write_seq(dsi0, dsi1, 0x3f, 0xe5); + mipi_dsi_dual_dcs_write_seq(dsi0, dsi1, 0x40, 0xe5); + mipi_dsi_dual_dcs_write_seq(dsi0, dsi1, 0x41, 0xe5); + mipi_dsi_dual_dcs_write_seq(dsi0, dsi1, 0x2a, 0x13); + mipi_dsi_dual_dcs_write_seq(dsi0, dsi1, 0x45, 0xff); + mipi_dsi_dual_dcs_write_seq(dsi0, dsi1, 0x46, 0xf4); + mipi_dsi_dual_dcs_write_seq(dsi0, dsi1, 0x47, 0xe7); + mipi_dsi_dual_dcs_write_seq(dsi0, dsi1, 0x48, 0xda); + mipi_dsi_dual_dcs_write_seq(dsi0, dsi1, 0x49, 0xcd); + mipi_dsi_dual_dcs_write_seq(dsi0, dsi1, 0x4a, 0xc0); + mipi_dsi_dual_dcs_write_seq(dsi0, dsi1, 0x4b, 0xb3); + mipi_dsi_dual_dcs_write_seq(dsi0, dsi1, 0x4c, 0xb2); + mipi_dsi_dual_dcs_write_seq(dsi0, dsi1, 0x4d, 0xb2); + mipi_dsi_dual_dcs_write_seq(dsi0, dsi1, 0x4e, 0xb2); + mipi_dsi_dual_dcs_write_seq(dsi0, dsi1, 0x4f, 0x99); + mipi_dsi_dual_dcs_write_seq(dsi0, dsi1, 0x50, 0x80); + mipi_dsi_dual_dcs_write_seq(dsi0, dsi1, 0x51, 0x68); + mipi_dsi_dual_dcs_write_seq(dsi0, dsi1, 0x52, 0x66); + mipi_dsi_dual_dcs_write_seq(dsi0, dsi1, 0x53, 0x66); + mipi_dsi_dual_dcs_write_seq(dsi0, dsi1, 0x54, 0x66); + mipi_dsi_dual_dcs_write_seq(dsi0, dsi1, 0x2b, 0x0e); + mipi_dsi_dual_dcs_write_seq(dsi0, dsi1, 0x58, 0xff); + mipi_dsi_dual_dcs_write_seq(dsi0, dsi1, 0x59, 0xfb); + mipi_dsi_dual_dcs_write_seq(dsi0, dsi1, 0x5a, 0xf7); + mipi_dsi_dual_dcs_write_seq(dsi0, dsi1, 0x5b, 0xf3); + mipi_dsi_dual_dcs_write_seq(dsi0, dsi1, 0x5c, 0xef); + mipi_dsi_dual_dcs_write_seq(dsi0, dsi1, 0x5d, 0xe3); + mipi_dsi_dual_dcs_write_seq(dsi0, dsi1, 0x5e, 0xda); + mipi_dsi_dual_dcs_write_seq(dsi0, dsi1, 0x5f, 0xd8); + mipi_dsi_dual_dcs_write_seq(dsi0, dsi1, 0x60, 0xd8); + mipi_dsi_dual_dcs_write_seq(dsi0, dsi1, 0x61, 0xd8); + mipi_dsi_dual_dcs_write_seq(dsi0, dsi1, 0x62, 0xcb); + mipi_dsi_dual_dcs_write_seq(dsi0, dsi1, 0x63, 0xbf); + mipi_dsi_dual_dcs_write_seq(dsi0, dsi1, 0x64, 0xb3); + mipi_dsi_dual_dcs_write_seq(dsi0, dsi1, 0x65, 0xb2); + mipi_dsi_dual_dcs_write_seq(dsi0, dsi1, 0x66, 0xb2); + mipi_dsi_dual_dcs_write_seq(dsi0, dsi1, 0x67, 0xb2); + mipi_dsi_dual_dcs_write_seq(dsi0, dsi1, 0xff, 0x10); + mipi_dsi_dual_dcs_write_seq(dsi0, dsi1, 0xfb, 0x01); + mipi_dsi_dual_dcs_write_seq(dsi0, dsi1, 0x51, 0x0f, 0xff); + mipi_dsi_dual_dcs_write_seq(dsi0, dsi1, 0x53, 0x2c); + mipi_dsi_dual_dcs_write_seq(dsi0, dsi1, 0x55, 0x00); + mipi_dsi_dual_dcs_write_seq(dsi0, dsi1, 0xbb, 0x13); + mipi_dsi_dual_dcs_write_seq(dsi0, dsi1, 0x3b, 0x03, 0xac, 0x1a, 0x04, 0x04); + mipi_dsi_dual_dcs_write_seq(dsi0, dsi1, 0xff, 0x2a); + mipi_dsi_dual_dcs_write_seq(dsi0, dsi1, 0xfb, 0x01); + mipi_dsi_dual_dcs_write_seq(dsi0, dsi1, 0x25, 0x46); + mipi_dsi_dual_dcs_write_seq(dsi0, dsi1, 0x30, 0x46); + mipi_dsi_dual_dcs_write_seq(dsi0, dsi1, 0x39, 0x46); + mipi_dsi_dual_dcs_write_seq(dsi0, dsi1, 0xff, 0x26); + mipi_dsi_dual_dcs_write_seq(dsi0, dsi1, 0xfb, 0x01); + mipi_dsi_dual_dcs_write_seq(dsi0, dsi1, 0x01, 0xb0); + mipi_dsi_dual_dcs_write_seq(dsi0, dsi1, 0x19, 0x10); + mipi_dsi_dual_dcs_write_seq(dsi0, dsi1, 0x1a, 0xe0); + mipi_dsi_dual_dcs_write_seq(dsi0, dsi1, 0x1b, 0x10); + mipi_dsi_dual_dcs_write_seq(dsi0, dsi1, 0x1c, 0x00); + mipi_dsi_dual_dcs_write_seq(dsi0, dsi1, 0x2a, 0x10); + mipi_dsi_dual_dcs_write_seq(dsi0, dsi1, 0x2b, 0xe0); + mipi_dsi_dual_dcs_write_seq(dsi0, dsi1, 0xff, 0xf0); + mipi_dsi_dual_dcs_write_seq(dsi0, dsi1, 0xfb, 0x01); + mipi_dsi_dual_dcs_write_seq(dsi0, dsi1, 0x84, 0x08); + mipi_dsi_dual_dcs_write_seq(dsi0, dsi1, 0x85, 0x0c); + mipi_dsi_dual_dcs_write_seq(dsi0, dsi1, 0xff, 0x20); + mipi_dsi_dual_dcs_write_seq(dsi0, dsi1, 0xfb, 0x01); + mipi_dsi_dual_dcs_write_seq(dsi0, dsi1, 0x51, 0x00); + mipi_dsi_dual_dcs_write_seq(dsi0, dsi1, 0xff, 0x25); + mipi_dsi_dual_dcs_write_seq(dsi0, dsi1, 0xfb, 0x01); + mipi_dsi_dual_dcs_write_seq(dsi0, dsi1, 0x91, 0x1f); + mipi_dsi_dual_dcs_write_seq(dsi0, dsi1, 0x92, 0x0f); + mipi_dsi_dual_dcs_write_seq(dsi0, dsi1, 0x93, 0x01); + mipi_dsi_dual_dcs_write_seq(dsi0, dsi1, 0x94, 0x18); + mipi_dsi_dual_dcs_write_seq(dsi0, dsi1, 0x95, 0x03); + mipi_dsi_dual_dcs_write_seq(dsi0, dsi1, 0x96, 0x01); + mipi_dsi_dual_dcs_write_seq(dsi0, dsi1, 0xff, 0x10); + mipi_dsi_dual_dcs_write_seq(dsi0, dsi1, 0xb0, 0x01); + mipi_dsi_dual_dcs_write_seq(dsi0, dsi1, 0xff, 0x25); + mipi_dsi_dual_dcs_write_seq(dsi0, dsi1, 0xfb, 0x01); + mipi_dsi_dual_dcs_write_seq(dsi0, dsi1, 0x19, 0x1f); + mipi_dsi_dual_dcs_write_seq(dsi0, dsi1, 0x1b, 0x1b); + mipi_dsi_dual_dcs_write_seq(dsi0, dsi1, 0xff, 0x24); + mipi_dsi_dual_dcs_write_seq(dsi0, dsi1, 0xfb, 0x01); + mipi_dsi_dual_dcs_write_seq(dsi0, dsi1, 0xb8, 0x28); + mipi_dsi_dual_dcs_write_seq(dsi0, dsi1, 0xff, 0x27); + mipi_dsi_dual_dcs_write_seq(dsi0, dsi1, 0xfb, 0x01); + mipi_dsi_dual_dcs_write_seq(dsi0, dsi1, 0xd0, 0x31); + mipi_dsi_dual_dcs_write_seq(dsi0, dsi1, 0xd1, 0x20); + mipi_dsi_dual_dcs_write_seq(dsi0, dsi1, 0xd4, 0x08); + mipi_dsi_dual_dcs_write_seq(dsi0, dsi1, 0xde, 0x80); + mipi_dsi_dual_dcs_write_seq(dsi0, dsi1, 0xdf, 0x02); + mipi_dsi_dual_dcs_write_seq(dsi0, dsi1, 0xff, 0x26); + mipi_dsi_dual_dcs_write_seq(dsi0, dsi1, 0xfb, 0x01); + mipi_dsi_dual_dcs_write_seq(dsi0, dsi1, 0x00, 0x81); + mipi_dsi_dual_dcs_write_seq(dsi0, dsi1, 0x01, 0xb0); + mipi_dsi_dual_dcs_write_seq(dsi0, dsi1, 0xff, 0x22); + mipi_dsi_dual_dcs_write_seq(dsi0, dsi1, 0xfb, 0x01); + mipi_dsi_dual_dcs_write_seq(dsi0, dsi1, 0x6f, 0x01); + mipi_dsi_dual_dcs_write_seq(dsi0, dsi1, 0x70, 0x11); + mipi_dsi_dual_dcs_write_seq(dsi0, dsi1, 0x73, 0x01); + mipi_dsi_dual_dcs_write_seq(dsi0, dsi1, 0x74, 0x4d); + mipi_dsi_dual_dcs_write_seq(dsi0, dsi1, 0xa0, 0x3f); + mipi_dsi_dual_dcs_write_seq(dsi0, dsi1, 0xa9, 0x50); + mipi_dsi_dual_dcs_write_seq(dsi0, dsi1, 0xaa, 0x28); + mipi_dsi_dual_dcs_write_seq(dsi0, dsi1, 0xab, 0x28); + mipi_dsi_dual_dcs_write_seq(dsi0, dsi1, 0xad, 0x10); + mipi_dsi_dual_dcs_write_seq(dsi0, dsi1, 0xb8, 0x00); + mipi_dsi_dual_dcs_write_seq(dsi0, dsi1, 0xb9, 0x4b); + mipi_dsi_dual_dcs_write_seq(dsi0, dsi1, 0xba, 0x96); + mipi_dsi_dual_dcs_write_seq(dsi0, dsi1, 0xbb, 0x4b); + mipi_dsi_dual_dcs_write_seq(dsi0, dsi1, 0xbe, 0x07); + mipi_dsi_dual_dcs_write_seq(dsi0, dsi1, 0xbf, 0x4b); + mipi_dsi_dual_dcs_write_seq(dsi0, dsi1, 0xc0, 0x07); + mipi_dsi_dual_dcs_write_seq(dsi0, dsi1, 0xc1, 0x5c); + mipi_dsi_dual_dcs_write_seq(dsi0, dsi1, 0xc2, 0x00); + mipi_dsi_dual_dcs_write_seq(dsi0, dsi1, 0xc5, 0x00); + mipi_dsi_dual_dcs_write_seq(dsi0, dsi1, 0xc6, 0x3f); + mipi_dsi_dual_dcs_write_seq(dsi0, dsi1, 0xc7, 0x00); + mipi_dsi_dual_dcs_write_seq(dsi0, dsi1, 0xca, 0x08); + mipi_dsi_dual_dcs_write_seq(dsi0, dsi1, 0xcb, 0x40); + mipi_dsi_dual_dcs_write_seq(dsi0, dsi1, 0xce, 0x00); + mipi_dsi_dual_dcs_write_seq(dsi0, dsi1, 0xcf, 0x08); + mipi_dsi_dual_dcs_write_seq(dsi0, dsi1, 0xd0, 0x40); + mipi_dsi_dual_dcs_write_seq(dsi0, dsi1, 0xd3, 0x08); + mipi_dsi_dual_dcs_write_seq(dsi0, dsi1, 0xd4, 0x40); + mipi_dsi_dual_dcs_write_seq(dsi0, dsi1, 0xff, 0x25); + mipi_dsi_dual_dcs_write_seq(dsi0, dsi1, 0xfb, 0x01); + mipi_dsi_dual_dcs_write_seq(dsi0, dsi1, 0xbc, 0x01); + mipi_dsi_dual_dcs_write_seq(dsi0, dsi1, 0xbd, 0x1c); + mipi_dsi_dual_dcs_write_seq(dsi0, dsi1, 0xff, 0x2a); + mipi_dsi_dual_dcs_write_seq(dsi0, dsi1, 0xfb, 0x01); + mipi_dsi_dual_dcs_write_seq(dsi0, dsi1, 0x9a, 0x03); + mipi_dsi_dual_dcs_write_seq(dsi0, dsi1, 0xff, 0x10); + mipi_dsi_dual_dcs_write_seq(dsi0, dsi1, 0x11); + msleep(70); + mipi_dsi_dual_dcs_write_seq(dsi0, dsi1, 0x29); + + return 0; +} + +static const struct drm_display_mode elish_boe_modes[] = { + { + /* There is only one 120 Hz timing, but it doesn't work perfectly, 104 Hz preferred */ + .clock = (1600 + 60 + 8 + 60) * (2560 + 26 + 4 + 168) * 104 / 1000, + .hdisplay = 1600, + .hsync_start = 1600 + 60, + .hsync_end = 1600 + 60 + 8, + .htotal = 1600 + 60 + 8 + 60, + .vdisplay = 2560, + .vsync_start = 2560 + 26, + .vsync_end = 2560 + 26 + 4, + .vtotal = 2560 + 26 + 4 + 168, + }, +}; + +static const struct drm_display_mode elish_csot_modes[] = { + { + /* There is only one 120 Hz timing, but it doesn't work perfectly, 104 Hz preferred */ + .clock = (1600 + 200 + 40 + 52) * (2560 + 26 + 4 + 168) * 104 / 1000, + .hdisplay = 1600, + .hsync_start = 1600 + 200, + .hsync_end = 1600 + 200 + 40, + .htotal = 1600 + 200 + 40 + 52, + .vdisplay = 2560, + .vsync_start = 2560 + 26, + .vsync_end = 2560 + 26 + 4, + .vtotal = 2560 + 26 + 4 + 168, + }, +}; + +static const struct panel_desc elish_boe_desc = { + .modes = elish_boe_modes, + .num_modes = ARRAY_SIZE(elish_boe_modes), + .dsi_info = { + .type = "BOE-elish", + .channel = 0, + .node = NULL, + }, + .width_mm = 127, + .height_mm = 203, + .bpc = 8, + .lanes = 3, + .format = MIPI_DSI_FMT_RGB888, + .mode_flags = MIPI_DSI_MODE_VIDEO | MIPI_DSI_CLOCK_NON_CONTINUOUS | MIPI_DSI_MODE_LPM, + .init_sequence = elish_boe_init_sequence, + .is_dual_dsi = true, +}; + +static const struct panel_desc elish_csot_desc = { + .modes = elish_csot_modes, + .num_modes = ARRAY_SIZE(elish_csot_modes), + .dsi_info = { + .type = "CSOT-elish", + .channel = 0, + .node = NULL, + }, + .width_mm = 127, + .height_mm = 203, + .bpc = 8, + .lanes = 3, + .format = MIPI_DSI_FMT_RGB888, + .mode_flags = MIPI_DSI_MODE_VIDEO | MIPI_DSI_CLOCK_NON_CONTINUOUS | MIPI_DSI_MODE_LPM, + .init_sequence = elish_csot_init_sequence, + .is_dual_dsi = true, +}; + +static void nt36523_reset(struct panel_info *pinfo) +{ + gpiod_set_value_cansleep(pinfo->reset_gpio, 1); + usleep_range(12000, 13000); + gpiod_set_value_cansleep(pinfo->reset_gpio, 0); + usleep_range(12000, 13000); + gpiod_set_value_cansleep(pinfo->reset_gpio, 1); + usleep_range(12000, 13000); + gpiod_set_value_cansleep(pinfo->reset_gpio, 0); + usleep_range(12000, 13000); +} + +static int nt36523_prepare(struct drm_panel *panel) +{ + struct panel_info *pinfo = to_panel_info(panel); + int ret; + + if (pinfo->prepared) + return 0; + + ret = regulator_enable(pinfo->vddio); + if (ret) { + dev_err(panel->dev, "failed to enable vddio regulator: %d\n", ret); + return ret; + } + + nt36523_reset(pinfo); + + ret = pinfo->desc->init_sequence(pinfo); + if (ret < 0) { + regulator_disable(pinfo->vddio); + dev_err(panel->dev, "failed to initialize panel: %d\n", ret); + return ret; + } + + pinfo->prepared = true; + + return 0; +} + +static int nt36523_disable(struct drm_panel *panel) +{ + struct panel_info *pinfo = to_panel_info(panel); + int i, ret; + + for (i = 0; i < DSI_NUM_MIN + pinfo->desc->is_dual_dsi; i++) { + ret = mipi_dsi_dcs_set_display_off(pinfo->dsi[i]); + if (ret < 0) + dev_err(&pinfo->dsi[i]->dev, "failed to set display off: %d\n", ret); + } + + for (i = 0; i < DSI_NUM_MIN + pinfo->desc->is_dual_dsi; i++) { + ret = mipi_dsi_dcs_enter_sleep_mode(pinfo->dsi[i]); + if (ret < 0) + dev_err(&pinfo->dsi[i]->dev, "failed to enter sleep mode: %d\n", ret); + } + + msleep(70); + + return 0; +} + +static int nt36523_unprepare(struct drm_panel *panel) +{ + struct panel_info *pinfo = to_panel_info(panel); + + if (!pinfo->prepared) + return 0; + + gpiod_set_value_cansleep(pinfo->reset_gpio, 1); + regulator_disable(pinfo->vddio); + + pinfo->prepared = false; + + return 0; +} + +static void nt36523_remove(struct mipi_dsi_device *dsi) +{ + struct panel_info *pinfo = mipi_dsi_get_drvdata(dsi); + int ret; + + ret = mipi_dsi_detach(pinfo->dsi[0]); + if (ret < 0) + dev_err(&dsi->dev, "failed to detach from DSI0 host: %d\n", ret); + + if (pinfo->desc->is_dual_dsi) { + ret = mipi_dsi_detach(pinfo->dsi[1]); + if (ret < 0) + dev_err(&pinfo->dsi[1]->dev, "failed to detach from DSI1 host: %d\n", ret); + mipi_dsi_device_unregister(pinfo->dsi[1]); + } + + drm_panel_remove(&pinfo->panel); +} + +static int nt36523_get_modes(struct drm_panel *panel, + struct drm_connector *connector) +{ + struct panel_info *pinfo = to_panel_info(panel); + int i; + + for (i = 0; i < pinfo->desc->num_modes; i++) { + const struct drm_display_mode *m = &pinfo->desc->modes[i]; + struct drm_display_mode *mode; + + mode = drm_mode_duplicate(connector->dev, m); + if (!mode) { + dev_err(panel->dev, "failed to add mode %ux%u@%u\n", + m->hdisplay, m->vdisplay, drm_mode_vrefresh(m)); + return -ENOMEM; + } + + mode->type = DRM_MODE_TYPE_DRIVER; + if (pinfo->desc->num_modes == 1) + mode->type |= DRM_MODE_TYPE_PREFERRED; + + drm_mode_set_name(mode); + drm_mode_probed_add(connector, mode); + } + + connector->display_info.width_mm = pinfo->desc->width_mm; + connector->display_info.height_mm = pinfo->desc->height_mm; + connector->display_info.bpc = pinfo->desc->bpc; + + return pinfo->desc->num_modes; +} + +static const struct drm_panel_funcs nt36523_panel_funcs = { + .disable = nt36523_disable, + .prepare = nt36523_prepare, + .unprepare = nt36523_unprepare, + .get_modes = nt36523_get_modes, +}; + +static int nt36523_probe(struct mipi_dsi_device *dsi) +{ + struct device *dev = &dsi->dev; + struct device_node *dsi1; + struct mipi_dsi_host *dsi1_host; + struct panel_info *pinfo; + const struct mipi_dsi_device_info *info; + int i, ret; + + pinfo = devm_kzalloc(dev, sizeof(*pinfo), GFP_KERNEL); + if (!pinfo) + return -ENOMEM; + + pinfo->vddio = devm_regulator_get(dev, "vddio"); + if (IS_ERR(pinfo->vddio)) + return dev_err_probe(dev, PTR_ERR(pinfo->vddio), "failed to get vddio regulator\n"); + + pinfo->reset_gpio = devm_gpiod_get(dev, "reset", GPIOD_OUT_HIGH); + if (IS_ERR(pinfo->reset_gpio)) + return dev_err_probe(dev, PTR_ERR(pinfo->reset_gpio), "failed to get reset gpio\n"); + + pinfo->desc = of_device_get_match_data(dev); + if (!pinfo->desc) + return -ENODEV; + + /* If the panel is dual dsi, register DSI1 */ + if (pinfo->desc->is_dual_dsi) { + info = &pinfo->desc->dsi_info; + + dsi1 = of_graph_get_remote_node(dsi->dev.of_node, 1, -1); + if (!dsi1) { + dev_err(dev, "cannot get secondary DSI node.\n"); + return -ENODEV; + } + + dsi1_host = of_find_mipi_dsi_host_by_node(dsi1); + of_node_put(dsi1); + if (!dsi1_host) + return dev_err_probe(dev, -EPROBE_DEFER, "cannot get secondary DSI host\n"); + + pinfo->dsi[1] = mipi_dsi_device_register_full(dsi1_host, info); + if (!pinfo->dsi[1]) { + dev_err(dev, "cannot get secondary DSI device\n"); + return -ENODEV; + } + } + + pinfo->dsi[0] = dsi; + mipi_dsi_set_drvdata(dsi, pinfo); + drm_panel_init(&pinfo->panel, dev, &nt36523_panel_funcs, DRM_MODE_CONNECTOR_DSI); + + ret = drm_panel_of_backlight(&pinfo->panel); + if (ret) + return dev_err_probe(dev, ret, "failed to get backlight\n"); + + drm_panel_add(&pinfo->panel); + + for (i = 0; i < DSI_NUM_MIN + pinfo->desc->is_dual_dsi; i++) { + pinfo->dsi[i]->lanes = pinfo->desc->lanes; + pinfo->dsi[i]->format = pinfo->desc->format; + pinfo->dsi[i]->mode_flags = pinfo->desc->mode_flags; + + ret = mipi_dsi_attach(pinfo->dsi[i]); + if (ret < 0) + return dev_err_probe(dev, ret, "cannot attach to DSI%d host.\n", i); + } + + return 0; +} + +static const struct of_device_id nt36523_of_match[] = { + { + .compatible = "xiaomi,elish-boe-nt36523", + .data = &elish_boe_desc, + }, + { + .compatible = "xiaomi,elish-csot-nt36523", + .data = &elish_csot_desc, + }, + {}, +}; +MODULE_DEVICE_TABLE(of, nt36523_of_match); + +static struct mipi_dsi_driver nt36523_driver = { + .probe = nt36523_probe, + .remove = nt36523_remove, + .driver = { + .name = "panel-novatek-nt36523", + .of_match_table = nt36523_of_match, + }, +}; +module_mipi_dsi_driver(nt36523_driver); + +MODULE_AUTHOR("Jianhua Lu "); +MODULE_DESCRIPTION("DRM driver for Novatek NT36523 based MIPI DSI panels"); +MODULE_LICENSE("GPL"); -- 2.39.2