| /* SPDX-License-Identifier: MIT */ |
| /* |
| * drm_panel_orientation_quirks.c -- Quirks for non-normal panel orientation |
| * |
| * Copyright (C) 2017 Hans de Goede <hdegoede@redhat.com> |
| * |
| * Note the quirks in this file are shared with fbdev/efifb and as such |
| * must not depend on other drm code. |
| */ |
| |
| #include <linux/dmi.h> |
| #include <linux/module.h> |
| #include <drm/drm_connector.h> |
| #include <drm/drm_utils.h> |
| |
| #ifdef CONFIG_DMI |
| |
| /* |
| * Some x86 clamshell design devices use portrait tablet screens and a display |
| * engine which cannot rotate in hardware, so we need to rotate the fbcon to |
| * compensate. Unfortunately these (cheap) devices also typically have quite |
| * generic DMI data, so we match on a combination of DMI data, screen resolution |
| * and a list of known BIOS dates to avoid false positives. |
| */ |
| |
| struct drm_dmi_panel_orientation_data { |
| int width; |
| int height; |
| const char * const *bios_dates; |
| int orientation; |
| }; |
| |
| static const struct drm_dmi_panel_orientation_data asus_t100ha = { |
| .width = 800, |
| .height = 1280, |
| .orientation = DRM_MODE_PANEL_ORIENTATION_LEFT_UP, |
| }; |
| |
| static const struct drm_dmi_panel_orientation_data gpd_micropc = { |
| .width = 720, |
| .height = 1280, |
| .bios_dates = (const char * const []){ "04/26/2019", |
| NULL }, |
| .orientation = DRM_MODE_PANEL_ORIENTATION_RIGHT_UP, |
| }; |
| |
| static const struct drm_dmi_panel_orientation_data gpd_pocket = { |
| .width = 1200, |
| .height = 1920, |
| .bios_dates = (const char * const []){ "05/26/2017", "06/28/2017", |
| "07/05/2017", "08/07/2017", NULL }, |
| .orientation = DRM_MODE_PANEL_ORIENTATION_RIGHT_UP, |
| }; |
| |
| static const struct drm_dmi_panel_orientation_data gpd_pocket2 = { |
| .width = 1200, |
| .height = 1920, |
| .bios_dates = (const char * const []){ "06/28/2018", "08/28/2018", |
| "12/07/2018", NULL }, |
| .orientation = DRM_MODE_PANEL_ORIENTATION_RIGHT_UP, |
| }; |
| |
| static const struct drm_dmi_panel_orientation_data gpd_win = { |
| .width = 720, |
| .height = 1280, |
| .bios_dates = (const char * const []){ |
| "10/25/2016", "11/18/2016", "12/23/2016", "12/26/2016", |
| "02/21/2017", "03/20/2017", "05/25/2017", NULL }, |
| .orientation = DRM_MODE_PANEL_ORIENTATION_RIGHT_UP, |
| }; |
| |
| static const struct drm_dmi_panel_orientation_data gpd_win2 = { |
| .width = 720, |
| .height = 1280, |
| .bios_dates = (const char * const []){ |
| "12/07/2017", "05/24/2018", "06/29/2018", NULL }, |
| .orientation = DRM_MODE_PANEL_ORIENTATION_RIGHT_UP, |
| }; |
| |
| static const struct drm_dmi_panel_orientation_data itworks_tw891 = { |
| .width = 800, |
| .height = 1280, |
| .bios_dates = (const char * const []){ "10/16/2015", NULL }, |
| .orientation = DRM_MODE_PANEL_ORIENTATION_RIGHT_UP, |
| }; |
| |
| static const struct drm_dmi_panel_orientation_data onegx1_pro = { |
| .width = 1200, |
| .height = 1920, |
| .bios_dates = (const char * const []){ "12/17/2020", NULL }, |
| .orientation = DRM_MODE_PANEL_ORIENTATION_RIGHT_UP, |
| }; |
| |
| static const struct drm_dmi_panel_orientation_data lcd720x1280_rightside_up = { |
| .width = 720, |
| .height = 1280, |
| .orientation = DRM_MODE_PANEL_ORIENTATION_RIGHT_UP, |
| }; |
| |
| static const struct drm_dmi_panel_orientation_data lcd800x1280_rightside_up = { |
| .width = 800, |
| .height = 1280, |
| .orientation = DRM_MODE_PANEL_ORIENTATION_RIGHT_UP, |
| }; |
| |
| static const struct drm_dmi_panel_orientation_data lcd1200x1920_rightside_up = { |
| .width = 1200, |
| .height = 1920, |
| .orientation = DRM_MODE_PANEL_ORIENTATION_RIGHT_UP, |
| }; |
| |
| static const struct dmi_system_id orientation_data[] = { |
| { /* Acer One 10 (S1003) */ |
| .matches = { |
| DMI_EXACT_MATCH(DMI_SYS_VENDOR, "Acer"), |
| DMI_EXACT_MATCH(DMI_PRODUCT_NAME, "One S1003"), |
| }, |
| .driver_data = (void *)&lcd800x1280_rightside_up, |
| }, { /* Asus T100HA */ |
| .matches = { |
| DMI_EXACT_MATCH(DMI_SYS_VENDOR, "ASUSTeK COMPUTER INC."), |
| DMI_EXACT_MATCH(DMI_PRODUCT_NAME, "T100HAN"), |
| }, |
| .driver_data = (void *)&asus_t100ha, |
| }, { /* Asus T101HA */ |
| .matches = { |
| DMI_EXACT_MATCH(DMI_SYS_VENDOR, "ASUSTeK COMPUTER INC."), |
| DMI_EXACT_MATCH(DMI_PRODUCT_NAME, "T101HA"), |
| }, |
| .driver_data = (void *)&lcd800x1280_rightside_up, |
| }, { /* Asus T103HAF */ |
| .matches = { |
| DMI_EXACT_MATCH(DMI_SYS_VENDOR, "ASUSTeK COMPUTER INC."), |
| DMI_EXACT_MATCH(DMI_PRODUCT_NAME, "T103HAF"), |
| }, |
| .driver_data = (void *)&lcd800x1280_rightside_up, |
| }, { /* GPD MicroPC (generic strings, also match on bios date) */ |
| .matches = { |
| DMI_EXACT_MATCH(DMI_SYS_VENDOR, "Default string"), |
| DMI_EXACT_MATCH(DMI_PRODUCT_NAME, "Default string"), |
| DMI_EXACT_MATCH(DMI_BOARD_VENDOR, "Default string"), |
| DMI_EXACT_MATCH(DMI_BOARD_NAME, "Default string"), |
| }, |
| .driver_data = (void *)&gpd_micropc, |
| }, { /* GPD MicroPC (later BIOS versions with proper DMI strings) */ |
| .matches = { |
| DMI_EXACT_MATCH(DMI_SYS_VENDOR, "GPD"), |
| DMI_EXACT_MATCH(DMI_PRODUCT_NAME, "MicroPC"), |
| }, |
| .driver_data = (void *)&lcd720x1280_rightside_up, |
| }, { /* |
| * GPD Pocket, note that the the DMI data is less generic then |
| * it seems, devices with a board-vendor of "AMI Corporation" |
| * are quite rare, as are devices which have both board- *and* |
| * product-id set to "Default String" |
| */ |
| .matches = { |
| DMI_EXACT_MATCH(DMI_BOARD_VENDOR, "AMI Corporation"), |
| DMI_EXACT_MATCH(DMI_BOARD_NAME, "Default string"), |
| DMI_EXACT_MATCH(DMI_BOARD_SERIAL, "Default string"), |
| DMI_EXACT_MATCH(DMI_PRODUCT_NAME, "Default string"), |
| }, |
| .driver_data = (void *)&gpd_pocket, |
| }, { /* GPD Pocket 2 (generic strings, also match on bios date) */ |
| .matches = { |
| DMI_EXACT_MATCH(DMI_SYS_VENDOR, "Default string"), |
| DMI_EXACT_MATCH(DMI_PRODUCT_NAME, "Default string"), |
| DMI_EXACT_MATCH(DMI_BOARD_VENDOR, "Default string"), |
| DMI_EXACT_MATCH(DMI_BOARD_NAME, "Default string"), |
| }, |
| .driver_data = (void *)&gpd_pocket2, |
| }, { /* GPD Win (same note on DMI match as GPD Pocket) */ |
| .matches = { |
| DMI_EXACT_MATCH(DMI_BOARD_VENDOR, "AMI Corporation"), |
| DMI_EXACT_MATCH(DMI_BOARD_NAME, "Default string"), |
| DMI_EXACT_MATCH(DMI_BOARD_SERIAL, "Default string"), |
| DMI_EXACT_MATCH(DMI_PRODUCT_NAME, "Default string"), |
| }, |
| .driver_data = (void *)&gpd_win, |
| }, { /* GPD Win 2 (too generic strings, also match on bios date) */ |
| .matches = { |
| DMI_EXACT_MATCH(DMI_SYS_VENDOR, "Default string"), |
| DMI_EXACT_MATCH(DMI_PRODUCT_NAME, "Default string"), |
| DMI_EXACT_MATCH(DMI_BOARD_VENDOR, "Default string"), |
| DMI_EXACT_MATCH(DMI_BOARD_NAME, "Default string"), |
| }, |
| .driver_data = (void *)&gpd_win2, |
| }, { /* I.T.Works TW891 */ |
| .matches = { |
| DMI_EXACT_MATCH(DMI_SYS_VENDOR, "To be filled by O.E.M."), |
| DMI_EXACT_MATCH(DMI_PRODUCT_NAME, "TW891"), |
| DMI_EXACT_MATCH(DMI_BOARD_VENDOR, "To be filled by O.E.M."), |
| DMI_EXACT_MATCH(DMI_BOARD_NAME, "TW891"), |
| }, |
| .driver_data = (void *)&itworks_tw891, |
| }, { /* |
| * Lenovo Ideapad Miix 310 laptop, only some production batches |
| * have a portrait screen, the resolution checks makes the quirk |
| * apply only to those batches. |
| */ |
| .matches = { |
| DMI_EXACT_MATCH(DMI_SYS_VENDOR, "LENOVO"), |
| DMI_EXACT_MATCH(DMI_PRODUCT_NAME, "80SG"), |
| DMI_EXACT_MATCH(DMI_PRODUCT_VERSION, "MIIX 310-10ICR"), |
| }, |
| .driver_data = (void *)&lcd800x1280_rightside_up, |
| }, { /* Lenovo Ideapad Miix 320 */ |
| .matches = { |
| DMI_EXACT_MATCH(DMI_SYS_VENDOR, "LENOVO"), |
| DMI_EXACT_MATCH(DMI_PRODUCT_NAME, "80XF"), |
| DMI_EXACT_MATCH(DMI_PRODUCT_VERSION, "Lenovo MIIX 320-10ICR"), |
| }, |
| .driver_data = (void *)&lcd800x1280_rightside_up, |
| }, { /* Lenovo Ideapad D330 */ |
| .matches = { |
| DMI_EXACT_MATCH(DMI_SYS_VENDOR, "LENOVO"), |
| DMI_EXACT_MATCH(DMI_PRODUCT_NAME, "81H3"), |
| DMI_EXACT_MATCH(DMI_PRODUCT_VERSION, "Lenovo ideapad D330-10IGM"), |
| }, |
| .driver_data = (void *)&lcd1200x1920_rightside_up, |
| }, { /* OneGX1 Pro */ |
| .matches = { |
| DMI_EXACT_MATCH(DMI_SYS_VENDOR, "SYSTEM_MANUFACTURER"), |
| DMI_EXACT_MATCH(DMI_PRODUCT_NAME, "SYSTEM_PRODUCT_NAME"), |
| DMI_EXACT_MATCH(DMI_PRODUCT_VERSION, "Default string"), |
| }, |
| .driver_data = (void *)&onegx1_pro, |
| }, { /* VIOS LTH17 */ |
| .matches = { |
| DMI_EXACT_MATCH(DMI_SYS_VENDOR, "VIOS"), |
| DMI_EXACT_MATCH(DMI_PRODUCT_NAME, "LTH17"), |
| }, |
| .driver_data = (void *)&lcd800x1280_rightside_up, |
| }, |
| {} |
| }; |
| |
| /** |
| * drm_get_panel_orientation_quirk - Check for panel orientation quirks |
| * @width: width in pixels of the panel |
| * @height: height in pixels of the panel |
| * |
| * This function checks for platform specific (e.g. DMI based) quirks |
| * providing info on panel_orientation for systems where this cannot be |
| * probed from the hard-/firm-ware. To avoid false-positive this function |
| * takes the panel resolution as argument and checks that against the |
| * resolution expected by the quirk-table entry. |
| * |
| * Note this function is also used outside of the drm-subsys, by for example |
| * the efifb code. Because of this this function gets compiled into its own |
| * kernel-module when built as a module. |
| * |
| * Returns: |
| * A DRM_MODE_PANEL_ORIENTATION_* value if there is a quirk for this system, |
| * or DRM_MODE_PANEL_ORIENTATION_UNKNOWN if there is no quirk. |
| */ |
| int drm_get_panel_orientation_quirk(int width, int height) |
| { |
| const struct dmi_system_id *match; |
| const struct drm_dmi_panel_orientation_data *data; |
| const char *bios_date; |
| int i; |
| |
| for (match = dmi_first_match(orientation_data); |
| match; |
| match = dmi_first_match(match + 1)) { |
| data = match->driver_data; |
| |
| if (data->width != width || |
| data->height != height) |
| continue; |
| |
| if (!data->bios_dates) |
| return data->orientation; |
| |
| bios_date = dmi_get_system_info(DMI_BIOS_DATE); |
| if (!bios_date) |
| continue; |
| |
| i = match_string(data->bios_dates, -1, bios_date); |
| if (i >= 0) |
| return data->orientation; |
| } |
| |
| return DRM_MODE_PANEL_ORIENTATION_UNKNOWN; |
| } |
| EXPORT_SYMBOL(drm_get_panel_orientation_quirk); |
| |
| #else |
| |
| /* There are no quirks for non x86 devices yet */ |
| int drm_get_panel_orientation_quirk(int width, int height) |
| { |
| return DRM_MODE_PANEL_ORIENTATION_UNKNOWN; |
| } |
| EXPORT_SYMBOL(drm_get_panel_orientation_quirk); |
| |
| #endif |
| |
| MODULE_LICENSE("Dual MIT/GPL"); |