281 lines
8.9 KiB
C
281 lines
8.9 KiB
C
/* SPDX-License-Identifier: MIT */
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/*
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* drm_panel_orientation_quirks.c -- Quirks for non-normal panel orientation
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*
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* Copyright (C) 2017 Hans de Goede <hdegoede@redhat.com>
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*
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* Note the quirks in this file are shared with fbdev/efifb and as such
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* must not depend on other drm code.
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*/
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#include <linux/dmi.h>
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#include <linux/module.h>
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#include <drm/drm_connector.h>
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#include <drm/drm_utils.h>
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#ifdef CONFIG_DMI
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/*
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* Some x86 clamshell design devices use portrait tablet screens and a display
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* engine which cannot rotate in hardware, so we need to rotate the fbcon to
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* compensate. Unfortunately these (cheap) devices also typically have quite
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* generic DMI data, so we match on a combination of DMI data, screen resolution
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* and a list of known BIOS dates to avoid false positives.
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*/
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struct drm_dmi_panel_orientation_data {
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int width;
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int height;
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const char * const *bios_dates;
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int orientation;
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};
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static const struct drm_dmi_panel_orientation_data acer_s1003 = {
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.width = 800,
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.height = 1280,
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.orientation = DRM_MODE_PANEL_ORIENTATION_RIGHT_UP,
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};
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static const struct drm_dmi_panel_orientation_data asus_t100ha = {
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.width = 800,
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.height = 1280,
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.orientation = DRM_MODE_PANEL_ORIENTATION_LEFT_UP,
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};
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static const struct drm_dmi_panel_orientation_data gpd_micropc = {
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.width = 720,
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.height = 1280,
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.bios_dates = (const char * const []){ "04/26/2019",
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NULL },
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.orientation = DRM_MODE_PANEL_ORIENTATION_RIGHT_UP,
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};
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static const struct drm_dmi_panel_orientation_data gpd_pocket = {
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.width = 1200,
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.height = 1920,
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.bios_dates = (const char * const []){ "05/26/2017", "06/28/2017",
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"07/05/2017", "08/07/2017", NULL },
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.orientation = DRM_MODE_PANEL_ORIENTATION_RIGHT_UP,
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};
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static const struct drm_dmi_panel_orientation_data gpd_pocket2 = {
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.width = 1200,
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.height = 1920,
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.bios_dates = (const char * const []){ "06/28/2018", "08/28/2018",
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"12/07/2018", NULL },
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.orientation = DRM_MODE_PANEL_ORIENTATION_RIGHT_UP,
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};
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static const struct drm_dmi_panel_orientation_data gpd_win = {
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.width = 720,
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.height = 1280,
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.bios_dates = (const char * const []){
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"10/25/2016", "11/18/2016", "12/23/2016", "12/26/2016",
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"02/21/2017", "03/20/2017", "05/25/2017", NULL },
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.orientation = DRM_MODE_PANEL_ORIENTATION_RIGHT_UP,
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};
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static const struct drm_dmi_panel_orientation_data gpd_win2 = {
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.width = 720,
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.height = 1280,
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.bios_dates = (const char * const []){
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"12/07/2017", "05/24/2018", "06/29/2018", NULL },
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.orientation = DRM_MODE_PANEL_ORIENTATION_RIGHT_UP,
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};
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static const struct drm_dmi_panel_orientation_data itworks_tw891 = {
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.width = 800,
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.height = 1280,
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.bios_dates = (const char * const []){ "10/16/2015", NULL },
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.orientation = DRM_MODE_PANEL_ORIENTATION_RIGHT_UP,
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};
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static const struct drm_dmi_panel_orientation_data lcd720x1280_rightside_up = {
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.width = 720,
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.height = 1280,
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.orientation = DRM_MODE_PANEL_ORIENTATION_RIGHT_UP,
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};
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static const struct drm_dmi_panel_orientation_data lcd800x1280_rightside_up = {
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.width = 800,
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.height = 1280,
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.orientation = DRM_MODE_PANEL_ORIENTATION_RIGHT_UP,
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};
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static const struct drm_dmi_panel_orientation_data lcd1200x1920_rightside_up = {
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.width = 1200,
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.height = 1920,
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.orientation = DRM_MODE_PANEL_ORIENTATION_RIGHT_UP,
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};
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static const struct dmi_system_id orientation_data[] = {
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{ /* Acer One 10 (S1003) */
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.matches = {
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DMI_EXACT_MATCH(DMI_SYS_VENDOR, "Acer"),
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DMI_EXACT_MATCH(DMI_PRODUCT_NAME, "One S1003"),
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},
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.driver_data = (void *)&acer_s1003,
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}, { /* Asus T100HA */
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.matches = {
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DMI_EXACT_MATCH(DMI_SYS_VENDOR, "ASUSTeK COMPUTER INC."),
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DMI_EXACT_MATCH(DMI_PRODUCT_NAME, "T100HAN"),
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},
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.driver_data = (void *)&asus_t100ha,
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}, { /* GPD MicroPC (generic strings, also match on bios date) */
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.matches = {
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DMI_EXACT_MATCH(DMI_SYS_VENDOR, "Default string"),
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DMI_EXACT_MATCH(DMI_PRODUCT_NAME, "Default string"),
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DMI_EXACT_MATCH(DMI_BOARD_VENDOR, "Default string"),
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DMI_EXACT_MATCH(DMI_BOARD_NAME, "Default string"),
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},
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.driver_data = (void *)&gpd_micropc,
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}, { /* GPD MicroPC (later BIOS versions with proper DMI strings) */
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.matches = {
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DMI_EXACT_MATCH(DMI_SYS_VENDOR, "GPD"),
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DMI_EXACT_MATCH(DMI_PRODUCT_NAME, "MicroPC"),
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},
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.driver_data = (void *)&lcd720x1280_rightside_up,
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}, { /*
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* GPD Pocket, note that the the DMI data is less generic then
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* it seems, devices with a board-vendor of "AMI Corporation"
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* are quite rare, as are devices which have both board- *and*
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* product-id set to "Default String"
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*/
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.matches = {
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DMI_EXACT_MATCH(DMI_BOARD_VENDOR, "AMI Corporation"),
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DMI_EXACT_MATCH(DMI_BOARD_NAME, "Default string"),
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DMI_EXACT_MATCH(DMI_BOARD_SERIAL, "Default string"),
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DMI_EXACT_MATCH(DMI_PRODUCT_NAME, "Default string"),
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},
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.driver_data = (void *)&gpd_pocket,
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}, { /* GPD Pocket 2 (generic strings, also match on bios date) */
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.matches = {
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DMI_EXACT_MATCH(DMI_SYS_VENDOR, "Default string"),
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DMI_EXACT_MATCH(DMI_PRODUCT_NAME, "Default string"),
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DMI_EXACT_MATCH(DMI_BOARD_VENDOR, "Default string"),
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DMI_EXACT_MATCH(DMI_BOARD_NAME, "Default string"),
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},
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.driver_data = (void *)&gpd_pocket2,
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}, { /* GPD Win (same note on DMI match as GPD Pocket) */
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.matches = {
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DMI_EXACT_MATCH(DMI_BOARD_VENDOR, "AMI Corporation"),
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DMI_EXACT_MATCH(DMI_BOARD_NAME, "Default string"),
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DMI_EXACT_MATCH(DMI_BOARD_SERIAL, "Default string"),
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DMI_EXACT_MATCH(DMI_PRODUCT_NAME, "Default string"),
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},
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.driver_data = (void *)&gpd_win,
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}, { /* GPD Win 2 (too generic strings, also match on bios date) */
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.matches = {
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DMI_EXACT_MATCH(DMI_SYS_VENDOR, "Default string"),
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DMI_EXACT_MATCH(DMI_PRODUCT_NAME, "Default string"),
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DMI_EXACT_MATCH(DMI_BOARD_VENDOR, "Default string"),
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DMI_EXACT_MATCH(DMI_BOARD_NAME, "Default string"),
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},
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.driver_data = (void *)&gpd_win2,
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}, { /* I.T.Works TW891 */
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.matches = {
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DMI_EXACT_MATCH(DMI_SYS_VENDOR, "To be filled by O.E.M."),
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DMI_EXACT_MATCH(DMI_PRODUCT_NAME, "TW891"),
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DMI_EXACT_MATCH(DMI_BOARD_VENDOR, "To be filled by O.E.M."),
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DMI_EXACT_MATCH(DMI_BOARD_NAME, "TW891"),
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},
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.driver_data = (void *)&itworks_tw891,
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}, { /*
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* Lenovo Ideapad Miix 310 laptop, only some production batches
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* have a portrait screen, the resolution checks makes the quirk
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* apply only to those batches.
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*/
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.matches = {
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DMI_EXACT_MATCH(DMI_SYS_VENDOR, "LENOVO"),
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DMI_EXACT_MATCH(DMI_PRODUCT_NAME, "80SG"),
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DMI_EXACT_MATCH(DMI_PRODUCT_VERSION, "MIIX 310-10ICR"),
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},
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.driver_data = (void *)&lcd800x1280_rightside_up,
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}, { /* Lenovo Ideapad Miix 320 */
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.matches = {
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DMI_EXACT_MATCH(DMI_SYS_VENDOR, "LENOVO"),
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DMI_EXACT_MATCH(DMI_PRODUCT_NAME, "80XF"),
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DMI_EXACT_MATCH(DMI_PRODUCT_VERSION, "Lenovo MIIX 320-10ICR"),
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},
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.driver_data = (void *)&lcd800x1280_rightside_up,
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}, { /* Lenovo Ideapad D330 */
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.matches = {
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DMI_EXACT_MATCH(DMI_SYS_VENDOR, "LENOVO"),
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DMI_EXACT_MATCH(DMI_PRODUCT_NAME, "81H3"),
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DMI_EXACT_MATCH(DMI_PRODUCT_VERSION, "Lenovo ideapad D330-10IGM"),
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},
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.driver_data = (void *)&lcd1200x1920_rightside_up,
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}, { /* VIOS LTH17 */
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.matches = {
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DMI_EXACT_MATCH(DMI_SYS_VENDOR, "VIOS"),
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DMI_EXACT_MATCH(DMI_PRODUCT_NAME, "LTH17"),
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},
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.driver_data = (void *)&lcd800x1280_rightside_up,
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},
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{}
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};
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/**
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* drm_get_panel_orientation_quirk - Check for panel orientation quirks
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* @width: width in pixels of the panel
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* @height: height in pixels of the panel
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*
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* This function checks for platform specific (e.g. DMI based) quirks
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* providing info on panel_orientation for systems where this cannot be
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* probed from the hard-/firm-ware. To avoid false-positive this function
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* takes the panel resolution as argument and checks that against the
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* resolution expected by the quirk-table entry.
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*
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* Note this function is also used outside of the drm-subsys, by for example
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* the efifb code. Because of this this function gets compiled into its own
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* kernel-module when built as a module.
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*
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* Returns:
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* A DRM_MODE_PANEL_ORIENTATION_* value if there is a quirk for this system,
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* or DRM_MODE_PANEL_ORIENTATION_UNKNOWN if there is no quirk.
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*/
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int drm_get_panel_orientation_quirk(int width, int height)
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{
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const struct dmi_system_id *match;
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const struct drm_dmi_panel_orientation_data *data;
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const char *bios_date;
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int i;
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for (match = dmi_first_match(orientation_data);
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match;
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match = dmi_first_match(match + 1)) {
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data = match->driver_data;
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if (data->width != width ||
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data->height != height)
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continue;
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if (!data->bios_dates)
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return data->orientation;
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bios_date = dmi_get_system_info(DMI_BIOS_DATE);
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if (!bios_date)
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continue;
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i = match_string(data->bios_dates, -1, bios_date);
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if (i >= 0)
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return data->orientation;
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}
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return DRM_MODE_PANEL_ORIENTATION_UNKNOWN;
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}
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EXPORT_SYMBOL(drm_get_panel_orientation_quirk);
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#else
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/* There are no quirks for non x86 devices yet */
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int drm_get_panel_orientation_quirk(int width, int height)
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{
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return DRM_MODE_PANEL_ORIENTATION_UNKNOWN;
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}
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EXPORT_SYMBOL(drm_get_panel_orientation_quirk);
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#endif
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MODULE_LICENSE("Dual MIT/GPL");
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