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_pocket = { 48 .width = 1200, 49 .height = 1920, 50 .bios_dates = (const char * const []){ "05/26/2017", "06/28/2017", 51 "07/05/2017", "08/07/2017", NULL }, 52 .orientation = DRM_MODE_PANEL_ORIENTATION_RIGHT_UP, 53 }; 54 55 static const struct drm_dmi_panel_orientation_data gpd_pocket2 = { 56 .width = 1200, 57 .height = 1920, 58 .bios_dates = (const char * const []){ "06/28/2018", "08/28/2018", 59 "12/07/2018", NULL }, 60 .orientation = DRM_MODE_PANEL_ORIENTATION_RIGHT_UP, 61 }; 62 63 static const struct drm_dmi_panel_orientation_data gpd_win = { 64 .width = 720, 65 .height = 1280, 66 .bios_dates = (const char * const []){ 67 "10/25/2016", "11/18/2016", "12/23/2016", "12/26/2016", 68 "02/21/2017", "03/20/2017", "05/25/2017", NULL }, 69 .orientation = DRM_MODE_PANEL_ORIENTATION_RIGHT_UP, 70 }; 71 72 static const struct drm_dmi_panel_orientation_data gpd_win2 = { 73 .width = 720, 74 .height = 1280, 75 .bios_dates = (const char * const []){ 76 "12/07/2017", "05/24/2018", "06/29/2018", 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 onegx1_pro = { 88 .width = 1200, 89 .height = 1920, 90 .bios_dates = (const char * const []){ "12/17/2020", NULL }, 91 .orientation = DRM_MODE_PANEL_ORIENTATION_RIGHT_UP, 92 }; 93 94 static const struct drm_dmi_panel_orientation_data lcd720x1280_rightside_up = { 95 .width = 720, 96 .height = 1280, 97 .orientation = DRM_MODE_PANEL_ORIENTATION_RIGHT_UP, 98 }; 99 100 static const struct drm_dmi_panel_orientation_data lcd800x1280_rightside_up = { 101 .width = 800, 102 .height = 1280, 103 .orientation = DRM_MODE_PANEL_ORIENTATION_RIGHT_UP, 104 }; 105 106 static const struct drm_dmi_panel_orientation_data lcd1200x1920_rightside_up = { 107 .width = 1200, 108 .height = 1920, 109 .orientation = DRM_MODE_PANEL_ORIENTATION_RIGHT_UP, 110 }; 111 112 static const struct dmi_system_id orientation_data[] = { 113 { /* Acer One 10 (S1003) */ 114 .matches = { 115 DMI_EXACT_MATCH(DMI_SYS_VENDOR, "Acer"), 116 DMI_EXACT_MATCH(DMI_PRODUCT_NAME, "One S1003"), 117 }, 118 .driver_data = (void *)&lcd800x1280_rightside_up, 119 }, { /* Asus T100HA */ 120 .matches = { 121 DMI_EXACT_MATCH(DMI_SYS_VENDOR, "ASUSTeK COMPUTER INC."), 122 DMI_EXACT_MATCH(DMI_PRODUCT_NAME, "T100HAN"), 123 }, 124 .driver_data = (void *)&asus_t100ha, 125 }, { /* Asus T101HA */ 126 .matches = { 127 DMI_EXACT_MATCH(DMI_SYS_VENDOR, "ASUSTeK COMPUTER INC."), 128 DMI_EXACT_MATCH(DMI_PRODUCT_NAME, "T101HA"), 129 }, 130 .driver_data = (void *)&lcd800x1280_rightside_up, 131 }, { /* Asus T103HAF */ 132 .matches = { 133 DMI_EXACT_MATCH(DMI_SYS_VENDOR, "ASUSTeK COMPUTER INC."), 134 DMI_EXACT_MATCH(DMI_PRODUCT_NAME, "T103HAF"), 135 }, 136 .driver_data = (void *)&lcd800x1280_rightside_up, 137 }, { /* AYA NEO 2021 */ 138 .matches = { 139 DMI_EXACT_MATCH(DMI_SYS_VENDOR, "AYADEVICE"), 140 DMI_EXACT_MATCH(DMI_PRODUCT_NAME, "AYA NEO 2021"), 141 }, 142 .driver_data = (void *)&lcd800x1280_rightside_up, 143 }, { /* GPD MicroPC (generic strings, also match on bios date) */ 144 .matches = { 145 DMI_EXACT_MATCH(DMI_SYS_VENDOR, "Default string"), 146 DMI_EXACT_MATCH(DMI_PRODUCT_NAME, "Default string"), 147 DMI_EXACT_MATCH(DMI_BOARD_VENDOR, "Default string"), 148 DMI_EXACT_MATCH(DMI_BOARD_NAME, "Default string"), 149 }, 150 .driver_data = (void *)&gpd_micropc, 151 }, { /* GPD MicroPC (later BIOS versions with proper DMI strings) */ 152 .matches = { 153 DMI_EXACT_MATCH(DMI_SYS_VENDOR, "GPD"), 154 DMI_EXACT_MATCH(DMI_PRODUCT_NAME, "MicroPC"), 155 }, 156 .driver_data = (void *)&lcd720x1280_rightside_up, 157 }, { /* 158 * GPD Pocket, note that the the DMI data is less generic then 159 * it seems, devices with a board-vendor of "AMI Corporation" 160 * are quite rare, as are devices which have both board- *and* 161 * product-id set to "Default String" 162 */ 163 .matches = { 164 DMI_EXACT_MATCH(DMI_BOARD_VENDOR, "AMI Corporation"), 165 DMI_EXACT_MATCH(DMI_BOARD_NAME, "Default string"), 166 DMI_EXACT_MATCH(DMI_BOARD_SERIAL, "Default string"), 167 DMI_EXACT_MATCH(DMI_PRODUCT_NAME, "Default string"), 168 }, 169 .driver_data = (void *)&gpd_pocket, 170 }, { /* GPD Pocket 2 (generic strings, also match on bios date) */ 171 .matches = { 172 DMI_EXACT_MATCH(DMI_SYS_VENDOR, "Default string"), 173 DMI_EXACT_MATCH(DMI_PRODUCT_NAME, "Default string"), 174 DMI_EXACT_MATCH(DMI_BOARD_VENDOR, "Default string"), 175 DMI_EXACT_MATCH(DMI_BOARD_NAME, "Default string"), 176 }, 177 .driver_data = (void *)&gpd_pocket2, 178 }, { /* GPD Win (same note on DMI match as GPD Pocket) */ 179 .matches = { 180 DMI_EXACT_MATCH(DMI_BOARD_VENDOR, "AMI Corporation"), 181 DMI_EXACT_MATCH(DMI_BOARD_NAME, "Default string"), 182 DMI_EXACT_MATCH(DMI_BOARD_SERIAL, "Default string"), 183 DMI_EXACT_MATCH(DMI_PRODUCT_NAME, "Default string"), 184 }, 185 .driver_data = (void *)&gpd_win, 186 }, { /* GPD Win 2 (too generic strings, also match on bios date) */ 187 .matches = { 188 DMI_EXACT_MATCH(DMI_SYS_VENDOR, "Default string"), 189 DMI_EXACT_MATCH(DMI_PRODUCT_NAME, "Default string"), 190 DMI_EXACT_MATCH(DMI_BOARD_VENDOR, "Default string"), 191 DMI_EXACT_MATCH(DMI_BOARD_NAME, "Default string"), 192 }, 193 .driver_data = (void *)&gpd_win2, 194 }, { /* GPD Win 3 */ 195 .matches = { 196 DMI_EXACT_MATCH(DMI_SYS_VENDOR, "GPD"), 197 DMI_EXACT_MATCH(DMI_PRODUCT_NAME, "G1618-03") 198 }, 199 .driver_data = (void *)&lcd720x1280_rightside_up, 200 }, { /* I.T.Works TW891 */ 201 .matches = { 202 DMI_EXACT_MATCH(DMI_SYS_VENDOR, "To be filled by O.E.M."), 203 DMI_EXACT_MATCH(DMI_PRODUCT_NAME, "TW891"), 204 DMI_EXACT_MATCH(DMI_BOARD_VENDOR, "To be filled by O.E.M."), 205 DMI_EXACT_MATCH(DMI_BOARD_NAME, "TW891"), 206 }, 207 .driver_data = (void *)&itworks_tw891, 208 }, { /* 209 * Lenovo Ideapad Miix 310 laptop, only some production batches 210 * have a portrait screen, the resolution checks makes the quirk 211 * apply only to those batches. 212 */ 213 .matches = { 214 DMI_EXACT_MATCH(DMI_SYS_VENDOR, "LENOVO"), 215 DMI_EXACT_MATCH(DMI_PRODUCT_NAME, "80SG"), 216 DMI_EXACT_MATCH(DMI_PRODUCT_VERSION, "MIIX 310-10ICR"), 217 }, 218 .driver_data = (void *)&lcd800x1280_rightside_up, 219 }, { /* Lenovo Ideapad Miix 320 */ 220 .matches = { 221 DMI_EXACT_MATCH(DMI_SYS_VENDOR, "LENOVO"), 222 DMI_EXACT_MATCH(DMI_PRODUCT_NAME, "80XF"), 223 DMI_EXACT_MATCH(DMI_PRODUCT_VERSION, "Lenovo MIIX 320-10ICR"), 224 }, 225 .driver_data = (void *)&lcd800x1280_rightside_up, 226 }, { /* Lenovo Ideapad D330 */ 227 .matches = { 228 DMI_EXACT_MATCH(DMI_SYS_VENDOR, "LENOVO"), 229 DMI_EXACT_MATCH(DMI_PRODUCT_NAME, "81H3"), 230 DMI_EXACT_MATCH(DMI_PRODUCT_VERSION, "Lenovo ideapad D330-10IGM"), 231 }, 232 .driver_data = (void *)&lcd1200x1920_rightside_up, 233 }, { /* OneGX1 Pro */ 234 .matches = { 235 DMI_EXACT_MATCH(DMI_SYS_VENDOR, "SYSTEM_MANUFACTURER"), 236 DMI_EXACT_MATCH(DMI_PRODUCT_NAME, "SYSTEM_PRODUCT_NAME"), 237 DMI_EXACT_MATCH(DMI_PRODUCT_VERSION, "Default string"), 238 }, 239 .driver_data = (void *)&onegx1_pro, 240 }, { /* VIOS LTH17 */ 241 .matches = { 242 DMI_EXACT_MATCH(DMI_SYS_VENDOR, "VIOS"), 243 DMI_EXACT_MATCH(DMI_PRODUCT_NAME, "LTH17"), 244 }, 245 .driver_data = (void *)&lcd800x1280_rightside_up, 246 }, 247 {} 248 }; 249 250 /** 251 * drm_get_panel_orientation_quirk - Check for panel orientation quirks 252 * @width: width in pixels of the panel 253 * @height: height in pixels of the panel 254 * 255 * This function checks for platform specific (e.g. DMI based) quirks 256 * providing info on panel_orientation for systems where this cannot be 257 * probed from the hard-/firm-ware. To avoid false-positive this function 258 * takes the panel resolution as argument and checks that against the 259 * resolution expected by the quirk-table entry. 260 * 261 * Note this function is also used outside of the drm-subsys, by for example 262 * the efifb code. Because of this this function gets compiled into its own 263 * kernel-module when built as a module. 264 * 265 * Returns: 266 * A DRM_MODE_PANEL_ORIENTATION_* value if there is a quirk for this system, 267 * or DRM_MODE_PANEL_ORIENTATION_UNKNOWN if there is no quirk. 268 */ 269 int drm_get_panel_orientation_quirk(int width, int height) 270 { 271 const struct dmi_system_id *match; 272 const struct drm_dmi_panel_orientation_data *data; 273 const char *bios_date; 274 int i; 275 276 for (match = dmi_first_match(orientation_data); 277 match; 278 match = dmi_first_match(match + 1)) { 279 data = match->driver_data; 280 281 if (data->width != width || 282 data->height != height) 283 continue; 284 285 if (!data->bios_dates) 286 return data->orientation; 287 288 bios_date = dmi_get_system_info(DMI_BIOS_DATE); 289 if (!bios_date) 290 continue; 291 292 i = match_string(data->bios_dates, -1, bios_date); 293 if (i >= 0) 294 return data->orientation; 295 } 296 297 return DRM_MODE_PANEL_ORIENTATION_UNKNOWN; 298 } 299 EXPORT_SYMBOL(drm_get_panel_orientation_quirk); 300 301 #else 302 303 /* There are no quirks for non x86 devices yet */ 304 int drm_get_panel_orientation_quirk(int width, int height) 305 { 306 return DRM_MODE_PANEL_ORIENTATION_UNKNOWN; 307 } 308 EXPORT_SYMBOL(drm_get_panel_orientation_quirk); 309 310 #endif 311 312 MODULE_LICENSE("Dual MIT/GPL"); 313