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 }, { /* GPD MicroPC (generic strings, also match on bios date) */ 138 .matches = { 139 DMI_EXACT_MATCH(DMI_SYS_VENDOR, "Default string"), 140 DMI_EXACT_MATCH(DMI_PRODUCT_NAME, "Default string"), 141 DMI_EXACT_MATCH(DMI_BOARD_VENDOR, "Default string"), 142 DMI_EXACT_MATCH(DMI_BOARD_NAME, "Default string"), 143 }, 144 .driver_data = (void *)&gpd_micropc, 145 }, { /* GPD MicroPC (later BIOS versions with proper DMI strings) */ 146 .matches = { 147 DMI_EXACT_MATCH(DMI_SYS_VENDOR, "GPD"), 148 DMI_EXACT_MATCH(DMI_PRODUCT_NAME, "MicroPC"), 149 }, 150 .driver_data = (void *)&lcd720x1280_rightside_up, 151 }, { /* 152 * GPD Pocket, note that the the DMI data is less generic then 153 * it seems, devices with a board-vendor of "AMI Corporation" 154 * are quite rare, as are devices which have both board- *and* 155 * product-id set to "Default String" 156 */ 157 .matches = { 158 DMI_EXACT_MATCH(DMI_BOARD_VENDOR, "AMI Corporation"), 159 DMI_EXACT_MATCH(DMI_BOARD_NAME, "Default string"), 160 DMI_EXACT_MATCH(DMI_BOARD_SERIAL, "Default string"), 161 DMI_EXACT_MATCH(DMI_PRODUCT_NAME, "Default string"), 162 }, 163 .driver_data = (void *)&gpd_pocket, 164 }, { /* GPD Pocket 2 (generic strings, also match on bios date) */ 165 .matches = { 166 DMI_EXACT_MATCH(DMI_SYS_VENDOR, "Default string"), 167 DMI_EXACT_MATCH(DMI_PRODUCT_NAME, "Default string"), 168 DMI_EXACT_MATCH(DMI_BOARD_VENDOR, "Default string"), 169 DMI_EXACT_MATCH(DMI_BOARD_NAME, "Default string"), 170 }, 171 .driver_data = (void *)&gpd_pocket2, 172 }, { /* GPD Win (same note on DMI match as GPD Pocket) */ 173 .matches = { 174 DMI_EXACT_MATCH(DMI_BOARD_VENDOR, "AMI Corporation"), 175 DMI_EXACT_MATCH(DMI_BOARD_NAME, "Default string"), 176 DMI_EXACT_MATCH(DMI_BOARD_SERIAL, "Default string"), 177 DMI_EXACT_MATCH(DMI_PRODUCT_NAME, "Default string"), 178 }, 179 .driver_data = (void *)&gpd_win, 180 }, { /* GPD Win 2 (too generic strings, also match on bios date) */ 181 .matches = { 182 DMI_EXACT_MATCH(DMI_SYS_VENDOR, "Default string"), 183 DMI_EXACT_MATCH(DMI_PRODUCT_NAME, "Default string"), 184 DMI_EXACT_MATCH(DMI_BOARD_VENDOR, "Default string"), 185 DMI_EXACT_MATCH(DMI_BOARD_NAME, "Default string"), 186 }, 187 .driver_data = (void *)&gpd_win2, 188 }, { /* I.T.Works TW891 */ 189 .matches = { 190 DMI_EXACT_MATCH(DMI_SYS_VENDOR, "To be filled by O.E.M."), 191 DMI_EXACT_MATCH(DMI_PRODUCT_NAME, "TW891"), 192 DMI_EXACT_MATCH(DMI_BOARD_VENDOR, "To be filled by O.E.M."), 193 DMI_EXACT_MATCH(DMI_BOARD_NAME, "TW891"), 194 }, 195 .driver_data = (void *)&itworks_tw891, 196 }, { /* 197 * Lenovo Ideapad Miix 310 laptop, only some production batches 198 * have a portrait screen, the resolution checks makes the quirk 199 * apply only to those batches. 200 */ 201 .matches = { 202 DMI_EXACT_MATCH(DMI_SYS_VENDOR, "LENOVO"), 203 DMI_EXACT_MATCH(DMI_PRODUCT_NAME, "80SG"), 204 DMI_EXACT_MATCH(DMI_PRODUCT_VERSION, "MIIX 310-10ICR"), 205 }, 206 .driver_data = (void *)&lcd800x1280_rightside_up, 207 }, { /* Lenovo Ideapad Miix 320 */ 208 .matches = { 209 DMI_EXACT_MATCH(DMI_SYS_VENDOR, "LENOVO"), 210 DMI_EXACT_MATCH(DMI_PRODUCT_NAME, "80XF"), 211 DMI_EXACT_MATCH(DMI_PRODUCT_VERSION, "Lenovo MIIX 320-10ICR"), 212 }, 213 .driver_data = (void *)&lcd800x1280_rightside_up, 214 }, { /* Lenovo Ideapad D330 */ 215 .matches = { 216 DMI_EXACT_MATCH(DMI_SYS_VENDOR, "LENOVO"), 217 DMI_EXACT_MATCH(DMI_PRODUCT_NAME, "81H3"), 218 DMI_EXACT_MATCH(DMI_PRODUCT_VERSION, "Lenovo ideapad D330-10IGM"), 219 }, 220 .driver_data = (void *)&lcd1200x1920_rightside_up, 221 }, { /* OneGX1 Pro */ 222 .matches = { 223 DMI_EXACT_MATCH(DMI_SYS_VENDOR, "SYSTEM_MANUFACTURER"), 224 DMI_EXACT_MATCH(DMI_PRODUCT_NAME, "SYSTEM_PRODUCT_NAME"), 225 DMI_EXACT_MATCH(DMI_PRODUCT_VERSION, "Default string"), 226 }, 227 .driver_data = (void *)&onegx1_pro, 228 }, { /* VIOS LTH17 */ 229 .matches = { 230 DMI_EXACT_MATCH(DMI_SYS_VENDOR, "VIOS"), 231 DMI_EXACT_MATCH(DMI_PRODUCT_NAME, "LTH17"), 232 }, 233 .driver_data = (void *)&lcd800x1280_rightside_up, 234 }, 235 {} 236 }; 237 238 /** 239 * drm_get_panel_orientation_quirk - Check for panel orientation quirks 240 * @width: width in pixels of the panel 241 * @height: height in pixels of the panel 242 * 243 * This function checks for platform specific (e.g. DMI based) quirks 244 * providing info on panel_orientation for systems where this cannot be 245 * probed from the hard-/firm-ware. To avoid false-positive this function 246 * takes the panel resolution as argument and checks that against the 247 * resolution expected by the quirk-table entry. 248 * 249 * Note this function is also used outside of the drm-subsys, by for example 250 * the efifb code. Because of this this function gets compiled into its own 251 * kernel-module when built as a module. 252 * 253 * Returns: 254 * A DRM_MODE_PANEL_ORIENTATION_* value if there is a quirk for this system, 255 * or DRM_MODE_PANEL_ORIENTATION_UNKNOWN if there is no quirk. 256 */ 257 int drm_get_panel_orientation_quirk(int width, int height) 258 { 259 const struct dmi_system_id *match; 260 const struct drm_dmi_panel_orientation_data *data; 261 const char *bios_date; 262 int i; 263 264 for (match = dmi_first_match(orientation_data); 265 match; 266 match = dmi_first_match(match + 1)) { 267 data = match->driver_data; 268 269 if (data->width != width || 270 data->height != height) 271 continue; 272 273 if (!data->bios_dates) 274 return data->orientation; 275 276 bios_date = dmi_get_system_info(DMI_BIOS_DATE); 277 if (!bios_date) 278 continue; 279 280 i = match_string(data->bios_dates, -1, bios_date); 281 if (i >= 0) 282 return data->orientation; 283 } 284 285 return DRM_MODE_PANEL_ORIENTATION_UNKNOWN; 286 } 287 EXPORT_SYMBOL(drm_get_panel_orientation_quirk); 288 289 #else 290 291 /* There are no quirks for non x86 devices yet */ 292 int drm_get_panel_orientation_quirk(int width, int height) 293 { 294 return DRM_MODE_PANEL_ORIENTATION_UNKNOWN; 295 } 296 EXPORT_SYMBOL(drm_get_panel_orientation_quirk); 297 298 #endif 299 300 MODULE_LICENSE("Dual MIT/GPL"); 301