drivers/gpu/drm/drm_panel_orientation_quirks.c

   1 /* SPDX-License-Identifier: MIT */
   2 /*
   3  * drm_panel_orientation_quirks.c -- Quirks for non-normal panel orientation
   4  *
   5  * Copyright (C) 2017 Hans de Goede <hdegoede@redhat.com>
   6  *
   7  * Note the quirks in this file are shared with fbdev/efifb and as such
   8  * must not depend on other drm code.
   9  */
  10
  11 #include <linux/dmi.h>
  12 #include <linux/module.h>
  13 #include <drm/drm_connector.h>
  14 #include <drm/drm_utils.h>
  15
  16 #ifdef CONFIG_DMI
  17
  18 /*
  19  * Some x86 clamshell design devices use portrait tablet screens and a display
  20  * engine which cannot rotate in hardware, so we need to rotate the fbcon to
  21  * compensate. Unfortunately these (cheap) devices also typically have quite
  22  * generic DMI data, so we match on a combination of DMI data, screen resolution
  23  * and a list of known BIOS dates to avoid false positives.
  24  */
  25
  26 struct drm_dmi_panel_orientation_data {
  27         int width;
  28         int height;
  29         const char * const *bios_dates;
  30         int orientation;
  31 };
  32
  33 static const struct drm_dmi_panel_orientation_data asus_t100ha = {
  34         .width = 800,
  35         .height = 1280,
  36         .orientation = DRM_MODE_PANEL_ORIENTATION_LEFT_UP,
  37 };
  38
  39 static const struct drm_dmi_panel_orientation_data gpd_micropc = {
  40         .width = 720,
  41         .height = 1280,
  42         .bios_dates = (const char * const []){ "04/26/2019",
  43                 NULL },
  44         .orientation = DRM_MODE_PANEL_ORIENTATION_RIGHT_UP,
  45 };
  46
  47 static const struct drm_dmi_panel_orientation_data gpd_onemix2s = {
  48         .width = 1200,
  49         .height = 1920,
  50         .bios_dates = (const char * const []){ "05/21/2018", "10/26/2018",
  51                 "03/04/2019", NULL },
  52         .orientation = DRM_MODE_PANEL_ORIENTATION_RIGHT_UP,
  53 };
  54
  55 static const struct drm_dmi_panel_orientation_data gpd_pocket = {
  56         .width = 1200,
  57         .height = 1920,
  58         .bios_dates = (const char * const []){ "05/26/2017", "06/28/2017",
  59                 "07/05/2017", "08/07/2017", NULL },
  60         .orientation = DRM_MODE_PANEL_ORIENTATION_RIGHT_UP,
  61 };
  62
  63 static const struct drm_dmi_panel_orientation_data gpd_pocket2 = {
  64         .width = 1200,
  65         .height = 1920,
  66         .bios_dates = (const char * const []){ "06/28/2018", "08/28/2018",
  67                 "12/07/2018", NULL },
  68         .orientation = DRM_MODE_PANEL_ORIENTATION_RIGHT_UP,
  69 };
  70
  71 static const struct drm_dmi_panel_orientation_data gpd_win = {
  72         .width = 720,
  73         .height = 1280,
  74         .bios_dates = (const char * const []){
  75                 "10/25/2016", "11/18/2016", "12/23/2016", "12/26/2016",
  76                 "02/21/2017", "03/20/2017", "05/25/2017", NULL },
  77         .orientation = DRM_MODE_PANEL_ORIENTATION_RIGHT_UP,
  78 };
  79
  80 static const struct drm_dmi_panel_orientation_data itworks_tw891 = {
  81         .width = 800,
  82         .height = 1280,
  83         .bios_dates = (const char * const []){ "10/16/2015", NULL },
  84         .orientation = DRM_MODE_PANEL_ORIENTATION_RIGHT_UP,
  85 };
  86
  87 static const struct drm_dmi_panel_orientation_data lcd720x1280_rightside_up = {
  88         .width = 720,
  89         .height = 1280,
  90         .orientation = DRM_MODE_PANEL_ORIENTATION_RIGHT_UP,
  91 };
  92
  93 static const struct drm_dmi_panel_orientation_data lcd800x1280_rightside_up = {
  94         .width = 800,
  95         .height = 1280,
  96         .orientation = DRM_MODE_PANEL_ORIENTATION_RIGHT_UP,
  97 };
  98
  99 static const struct dmi_system_id orientation_data[] = {
 100         {       /* Acer One 10 (S1003) */
 101                 .matches = {
 102                   DMI_EXACT_MATCH(DMI_SYS_VENDOR, "Acer"),
 103                   DMI_EXACT_MATCH(DMI_PRODUCT_NAME, "One S1003"),
 104                 },
 105                 .driver_data = (void *)&lcd800x1280_rightside_up,
 106         }, {    /* Acer Switch V 10 (SW5-017) */
 107                 .matches = {
 108                   DMI_EXACT_MATCH(DMI_SYS_VENDOR, "Acer"),
 109                   DMI_EXACT_MATCH(DMI_PRODUCT_NAME, "SW5-017"),
 110                 },
 111                 .driver_data = (void *)&lcd800x1280_rightside_up,
 112         }, {    /* Anbernic Win600 */
 113                 .matches = {
 114                   DMI_EXACT_MATCH(DMI_BOARD_VENDOR, "Anbernic"),
 115                   DMI_EXACT_MATCH(DMI_PRODUCT_NAME, "Win600"),
 116                 },
 117                 .driver_data = (void *)&lcd720x1280_rightside_up,
 118         }, {    /* Asus T100HA */
 119                 .matches = {
 120                   DMI_EXACT_MATCH(DMI_SYS_VENDOR, "ASUSTeK COMPUTER INC."),
 121                   DMI_EXACT_MATCH(DMI_PRODUCT_NAME, "T100HAN"),
 122                 },
 123                 .driver_data = (void *)&asus_t100ha,
 124         }, {    /* Asus T101HA */
 125                 .matches = {
 126                   DMI_EXACT_MATCH(DMI_SYS_VENDOR, "ASUSTeK COMPUTER INC."),
 127                   DMI_EXACT_MATCH(DMI_PRODUCT_NAME, "T101HA"),
 128                 },
 129                 .driver_data = (void *)&lcd800x1280_rightside_up,
 130         }, {    /* Asus T103HAF */
 131                 .matches = {
 132                   DMI_EXACT_MATCH(DMI_SYS_VENDOR, "ASUSTeK COMPUTER INC."),
 133                   DMI_EXACT_MATCH(DMI_PRODUCT_NAME, "T103HAF"),
 134                 },
 135                 .driver_data = (void *)&lcd800x1280_rightside_up,
 136         }, {    /* AYA NEO 2021 */
 137                 .matches = {
 138                   DMI_EXACT_MATCH(DMI_SYS_VENDOR, "AYADEVICE"),
 139                   DMI_EXACT_MATCH(DMI_PRODUCT_NAME, "AYA NEO 2021"),
 140                 },
 141                 .driver_data = (void *)&lcd800x1280_rightside_up,
 142         }, {    /* GPD MicroPC (generic strings, also match on bios date) */
 143                 .matches = {
 144                   DMI_EXACT_MATCH(DMI_SYS_VENDOR, "Default string"),
 145                   DMI_EXACT_MATCH(DMI_PRODUCT_NAME, "Default string"),
 146                   DMI_EXACT_MATCH(DMI_BOARD_VENDOR, "Default string"),
 147                   DMI_EXACT_MATCH(DMI_BOARD_NAME, "Default string"),
 148                 },
 149                 .driver_data = (void *)&gpd_micropc,
 150         }, {    /* GPD MicroPC (later BIOS versions with proper DMI strings) */
 151                 .matches = {
 152                   DMI_EXACT_MATCH(DMI_SYS_VENDOR, "GPD"),
 153                   DMI_EXACT_MATCH(DMI_PRODUCT_NAME, "MicroPC"),
 154                 },
 155                 .driver_data = (void *)&lcd720x1280_rightside_up,
 156         }, {    /* GPD Win Max */
 157                 .matches = {
 158                   DMI_EXACT_MATCH(DMI_SYS_VENDOR, "GPD"),
 159                   DMI_EXACT_MATCH(DMI_PRODUCT_NAME, "G1619-01"),
 160                 },
 161                 .driver_data = (void *)&lcd800x1280_rightside_up,
 162         }, {    /*
 163                  * GPD Pocket, note that the the DMI data is less generic then
 164                  * it seems, devices with a board-vendor of "AMI Corporation"
 165                  * are quite rare, as are devices which have both board- *and*
 166                  * product-id set to "Default String"
 167                  */
 168                 .matches = {
 169                   DMI_EXACT_MATCH(DMI_BOARD_VENDOR, "AMI Corporation"),
 170                   DMI_EXACT_MATCH(DMI_BOARD_NAME, "Default string"),
 171                   DMI_EXACT_MATCH(DMI_BOARD_SERIAL, "Default string"),
 172                   DMI_EXACT_MATCH(DMI_PRODUCT_NAME, "Default string"),
 173                 },
 174                 .driver_data = (void *)&gpd_pocket,
 175         }, {    /* GPD Pocket 2 (generic strings, also match on bios date) */
 176                 .matches = {
 177                   DMI_EXACT_MATCH(DMI_SYS_VENDOR, "Default string"),
 178                   DMI_EXACT_MATCH(DMI_PRODUCT_NAME, "Default string"),
 179                   DMI_EXACT_MATCH(DMI_BOARD_VENDOR, "Default string"),
 180                   DMI_EXACT_MATCH(DMI_BOARD_NAME, "Default string"),
 181                 },
 182                 .driver_data = (void *)&gpd_pocket2,
 183         }, {    /* GPD Win (same note on DMI match as GPD Pocket) */
 184                 .matches = {
 185                   DMI_EXACT_MATCH(DMI_BOARD_VENDOR, "AMI Corporation"),
 186                   DMI_EXACT_MATCH(DMI_BOARD_NAME, "Default string"),
 187                   DMI_EXACT_MATCH(DMI_BOARD_SERIAL, "Default string"),
 188                   DMI_EXACT_MATCH(DMI_PRODUCT_NAME, "Default string"),
 189                 },
 190                 .driver_data = (void *)&gpd_win,
 191         }, {    /* I.T.Works TW891 */
 192                 .matches = {
 193                   DMI_EXACT_MATCH(DMI_SYS_VENDOR, "To be filled by O.E.M."),
 194                   DMI_EXACT_MATCH(DMI_PRODUCT_NAME, "TW891"),
 195                   DMI_EXACT_MATCH(DMI_BOARD_VENDOR, "To be filled by O.E.M."),
 196                   DMI_EXACT_MATCH(DMI_BOARD_NAME, "TW891"),
 197                 },
 198                 .driver_data = (void *)&itworks_tw891,
 199         }, {    /* KD Kurio Smart C15200 2-in-1 */
 200                 .matches = {
 201                   DMI_EXACT_MATCH(DMI_SYS_VENDOR, "KD Interactive"),
 202                   DMI_EXACT_MATCH(DMI_PRODUCT_NAME, "Kurio Smart"),
 203                   DMI_EXACT_MATCH(DMI_BOARD_NAME, "KDM960BCP"),
 204                 },
 205                 .driver_data = (void *)&lcd800x1280_rightside_up,
 206         }, {    /*
 207                  * Lenovo Ideapad Miix 310 laptop, only some production batches
 208                  * have a portrait screen, the resolution checks makes the quirk
 209                  * apply only to those batches.
 210                  */
 211                 .matches = {
 212                   DMI_EXACT_MATCH(DMI_SYS_VENDOR, "LENOVO"),
 213                   DMI_EXACT_MATCH(DMI_PRODUCT_NAME, "80SG"),
 214                   DMI_EXACT_MATCH(DMI_PRODUCT_VERSION, "MIIX 310-10ICR"),
 215                 },
 216                 .driver_data = (void *)&lcd800x1280_rightside_up,
 217         }, {    /* Lenovo Ideapad Miix 320 */
 218                 .matches = {
 219                   DMI_EXACT_MATCH(DMI_SYS_VENDOR, "LENOVO"),
 220                   DMI_EXACT_MATCH(DMI_PRODUCT_NAME, "80XF"),
 221                   DMI_EXACT_MATCH(DMI_PRODUCT_VERSION, "Lenovo MIIX 320-10ICR"),
 222                 },
 223                 .driver_data = (void *)&lcd800x1280_rightside_up,
 224         }, {    /* VIOS LTH17 */
 225                 .matches = {
 226                   DMI_EXACT_MATCH(DMI_SYS_VENDOR, "VIOS"),
 227                   DMI_EXACT_MATCH(DMI_PRODUCT_NAME, "LTH17"),
 228                 },
 229                 .driver_data = (void *)&lcd800x1280_rightside_up,
 230         }, {    /* One Mix 2S (generic strings, also match on bios date) */
 231                 .matches = {
 232                   DMI_EXACT_MATCH(DMI_SYS_VENDOR, "Default string"),
 233                   DMI_EXACT_MATCH(DMI_PRODUCT_NAME, "Default string"),
 234                   DMI_EXACT_MATCH(DMI_BOARD_VENDOR, "Default string"),
 235                   DMI_EXACT_MATCH(DMI_BOARD_NAME, "Default string"),
 236                 },
 237                 .driver_data = (void *)&gpd_onemix2s,
 238         },
 239         {}
 240 };
 241
 242 /**
 243  * drm_get_panel_orientation_quirk - Check for panel orientation quirks
 244  * @width: width in pixels of the panel
 245  * @height: height in pixels of the panel
 246  *
 247  * This function checks for platform specific (e.g. DMI based) quirks
 248  * providing info on panel_orientation for systems where this cannot be
 249  * probed from the hard-/firm-ware. To avoid false-positive this function
 250  * takes the panel resolution as argument and checks that against the
 251  * resolution expected by the quirk-table entry.
 252  *
 253  * Note this function is also used outside of the drm-subsys, by for example
 254  * the efifb code. Because of this this function gets compiled into its own
 255  * kernel-module when built as a module.
 256  *
 257  * Returns:
 258  * A DRM_MODE_PANEL_ORIENTATION_* value if there is a quirk for this system,
 259  * or DRM_MODE_PANEL_ORIENTATION_UNKNOWN if there is no quirk.
 260  */
 261 int drm_get_panel_orientation_quirk(int width, int height)
 262 {
 263         const struct dmi_system_id *match;
 264         const struct drm_dmi_panel_orientation_data *data;
 265         const char *bios_date;
 266         int i;
 267
 268         for (match = dmi_first_match(orientation_data);
 269              match;
 270              match = dmi_first_match(match + 1)) {
 271                 data = match->driver_data;
 272
 273                 if (data->width != width ||
 274                     data->height != height)
 275                         continue;
 276
 277                 if (!data->bios_dates)
 278                         return data->orientation;
 279
 280                 bios_date = dmi_get_system_info(DMI_BIOS_DATE);
 281                 if (!bios_date)
 282                         continue;
 283
 284                 i = match_string(data->bios_dates, -1, bios_date);
 285                 if (i >= 0)
 286                         return data->orientation;
 287         }
 288
 289         return DRM_MODE_PANEL_ORIENTATION_UNKNOWN;
 290 }
 291 EXPORT_SYMBOL(drm_get_panel_orientation_quirk);
 292
 293 #else
 294
 295 /* There are no quirks for non x86 devices yet */
 296 int drm_get_panel_orientation_quirk(int width, int height)
 297 {
 298         return DRM_MODE_PANEL_ORIENTATION_UNKNOWN;
 299 }
 300 EXPORT_SYMBOL(drm_get_panel_orientation_quirk);
 301
 302 #endif
 303
 304 MODULE_LICENSE("Dual MIT/GPL");