Changeset View
Changeset View
Standalone View
Standalone View
sys/dev/drm/core/drm_panel_orientation_quirks.c
- This file was added.
/* 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 acer_s1003 = { | |||||
.width = 800, | |||||
.height = 1280, | |||||
.orientation = DRM_MODE_PANEL_ORIENTATION_RIGHT_UP, | |||||
}; | |||||
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 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 *)&acer_s1003, | |||||
}, { /* Asus T100HA */ | |||||
.matches = { | |||||
DMI_EXACT_MATCH(DMI_SYS_VENDOR, "ASUSTeK COMPUTER INC."), | |||||
DMI_EXACT_MATCH(DMI_PRODUCT_NAME, "T100HAN"), | |||||
}, | |||||
.driver_data = (void *)&asus_t100ha, | |||||
}, { /* 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, | |||||
}, { /* 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"); |