Merge tag 'v5.8' into drm-next
[linux-2.6-microblaze.git] / 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_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 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 drm_dmi_panel_orientation_data lcd1200x1920_rightside_up = {
100         .width = 1200,
101         .height = 1920,
102         .orientation = DRM_MODE_PANEL_ORIENTATION_RIGHT_UP,
103 };
104
105 static const struct dmi_system_id orientation_data[] = {
106         {       /* Acer One 10 (S1003) */
107                 .matches = {
108                   DMI_EXACT_MATCH(DMI_SYS_VENDOR, "Acer"),
109                   DMI_EXACT_MATCH(DMI_PRODUCT_NAME, "One S1003"),
110                 },
111                 .driver_data = (void *)&lcd800x1280_rightside_up,
112         }, {    /* Asus T100HA */
113                 .matches = {
114                   DMI_EXACT_MATCH(DMI_SYS_VENDOR, "ASUSTeK COMPUTER INC."),
115                   DMI_EXACT_MATCH(DMI_PRODUCT_NAME, "T100HAN"),
116                 },
117                 .driver_data = (void *)&asus_t100ha,
118         }, {    /* Asus T101HA */
119                 .matches = {
120                   DMI_EXACT_MATCH(DMI_SYS_VENDOR, "ASUSTeK COMPUTER INC."),
121                   DMI_EXACT_MATCH(DMI_PRODUCT_NAME, "T101HA"),
122                 },
123                 .driver_data = (void *)&lcd800x1280_rightside_up,
124         }, {    /* GPD MicroPC (generic strings, also match on bios date) */
125                 .matches = {
126                   DMI_EXACT_MATCH(DMI_SYS_VENDOR, "Default string"),
127                   DMI_EXACT_MATCH(DMI_PRODUCT_NAME, "Default string"),
128                   DMI_EXACT_MATCH(DMI_BOARD_VENDOR, "Default string"),
129                   DMI_EXACT_MATCH(DMI_BOARD_NAME, "Default string"),
130                 },
131                 .driver_data = (void *)&gpd_micropc,
132         }, {    /* GPD MicroPC (later BIOS versions with proper DMI strings) */
133                 .matches = {
134                   DMI_EXACT_MATCH(DMI_SYS_VENDOR, "GPD"),
135                   DMI_EXACT_MATCH(DMI_PRODUCT_NAME, "MicroPC"),
136                 },
137                 .driver_data = (void *)&lcd720x1280_rightside_up,
138         }, {    /*
139                  * GPD Pocket, note that the the DMI data is less generic then
140                  * it seems, devices with a board-vendor of "AMI Corporation"
141                  * are quite rare, as are devices which have both board- *and*
142                  * product-id set to "Default String"
143                  */
144                 .matches = {
145                   DMI_EXACT_MATCH(DMI_BOARD_VENDOR, "AMI Corporation"),
146                   DMI_EXACT_MATCH(DMI_BOARD_NAME, "Default string"),
147                   DMI_EXACT_MATCH(DMI_BOARD_SERIAL, "Default string"),
148                   DMI_EXACT_MATCH(DMI_PRODUCT_NAME, "Default string"),
149                 },
150                 .driver_data = (void *)&gpd_pocket,
151         }, {    /* GPD Pocket 2 (generic strings, also match on bios date) */
152                 .matches = {
153                   DMI_EXACT_MATCH(DMI_SYS_VENDOR, "Default string"),
154                   DMI_EXACT_MATCH(DMI_PRODUCT_NAME, "Default string"),
155                   DMI_EXACT_MATCH(DMI_BOARD_VENDOR, "Default string"),
156                   DMI_EXACT_MATCH(DMI_BOARD_NAME, "Default string"),
157                 },
158                 .driver_data = (void *)&gpd_pocket2,
159         }, {    /* GPD Win (same note on DMI match as GPD Pocket) */
160                 .matches = {
161                   DMI_EXACT_MATCH(DMI_BOARD_VENDOR, "AMI Corporation"),
162                   DMI_EXACT_MATCH(DMI_BOARD_NAME, "Default string"),
163                   DMI_EXACT_MATCH(DMI_BOARD_SERIAL, "Default string"),
164                   DMI_EXACT_MATCH(DMI_PRODUCT_NAME, "Default string"),
165                 },
166                 .driver_data = (void *)&gpd_win,
167         }, {    /* GPD Win 2 (too generic strings, also match on bios date) */
168                 .matches = {
169                   DMI_EXACT_MATCH(DMI_SYS_VENDOR, "Default string"),
170                   DMI_EXACT_MATCH(DMI_PRODUCT_NAME, "Default string"),
171                   DMI_EXACT_MATCH(DMI_BOARD_VENDOR, "Default string"),
172                   DMI_EXACT_MATCH(DMI_BOARD_NAME, "Default string"),
173                 },
174                 .driver_data = (void *)&gpd_win2,
175         }, {    /* I.T.Works TW891 */
176                 .matches = {
177                   DMI_EXACT_MATCH(DMI_SYS_VENDOR, "To be filled by O.E.M."),
178                   DMI_EXACT_MATCH(DMI_PRODUCT_NAME, "TW891"),
179                   DMI_EXACT_MATCH(DMI_BOARD_VENDOR, "To be filled by O.E.M."),
180                   DMI_EXACT_MATCH(DMI_BOARD_NAME, "TW891"),
181                 },
182                 .driver_data = (void *)&itworks_tw891,
183         }, {    /*
184                  * Lenovo Ideapad Miix 310 laptop, only some production batches
185                  * have a portrait screen, the resolution checks makes the quirk
186                  * apply only to those batches.
187                  */
188                 .matches = {
189                   DMI_EXACT_MATCH(DMI_SYS_VENDOR, "LENOVO"),
190                   DMI_EXACT_MATCH(DMI_PRODUCT_NAME, "80SG"),
191                   DMI_EXACT_MATCH(DMI_PRODUCT_VERSION, "MIIX 310-10ICR"),
192                 },
193                 .driver_data = (void *)&lcd800x1280_rightside_up,
194         }, {    /* Lenovo Ideapad Miix 320 */
195                 .matches = {
196                   DMI_EXACT_MATCH(DMI_SYS_VENDOR, "LENOVO"),
197                   DMI_EXACT_MATCH(DMI_PRODUCT_NAME, "80XF"),
198                   DMI_EXACT_MATCH(DMI_PRODUCT_VERSION, "Lenovo MIIX 320-10ICR"),
199                 },
200                 .driver_data = (void *)&lcd800x1280_rightside_up,
201         }, {    /* Lenovo Ideapad D330 */
202                 .matches = {
203                   DMI_EXACT_MATCH(DMI_SYS_VENDOR, "LENOVO"),
204                   DMI_EXACT_MATCH(DMI_PRODUCT_NAME, "81H3"),
205                   DMI_EXACT_MATCH(DMI_PRODUCT_VERSION, "Lenovo ideapad D330-10IGM"),
206                 },
207                 .driver_data = (void *)&lcd1200x1920_rightside_up,
208         }, {    /* VIOS LTH17 */
209                 .matches = {
210                   DMI_EXACT_MATCH(DMI_SYS_VENDOR, "VIOS"),
211                   DMI_EXACT_MATCH(DMI_PRODUCT_NAME, "LTH17"),
212                 },
213                 .driver_data = (void *)&lcd800x1280_rightside_up,
214         },
215         {}
216 };
217
218 /**
219  * drm_get_panel_orientation_quirk - Check for panel orientation quirks
220  * @width: width in pixels of the panel
221  * @height: height in pixels of the panel
222  *
223  * This function checks for platform specific (e.g. DMI based) quirks
224  * providing info on panel_orientation for systems where this cannot be
225  * probed from the hard-/firm-ware. To avoid false-positive this function
226  * takes the panel resolution as argument and checks that against the
227  * resolution expected by the quirk-table entry.
228  *
229  * Note this function is also used outside of the drm-subsys, by for example
230  * the efifb code. Because of this this function gets compiled into its own
231  * kernel-module when built as a module.
232  *
233  * Returns:
234  * A DRM_MODE_PANEL_ORIENTATION_* value if there is a quirk for this system,
235  * or DRM_MODE_PANEL_ORIENTATION_UNKNOWN if there is no quirk.
236  */
237 int drm_get_panel_orientation_quirk(int width, int height)
238 {
239         const struct dmi_system_id *match;
240         const struct drm_dmi_panel_orientation_data *data;
241         const char *bios_date;
242         int i;
243
244         for (match = dmi_first_match(orientation_data);
245              match;
246              match = dmi_first_match(match + 1)) {
247                 data = match->driver_data;
248
249                 if (data->width != width ||
250                     data->height != height)
251                         continue;
252
253                 if (!data->bios_dates)
254                         return data->orientation;
255
256                 bios_date = dmi_get_system_info(DMI_BIOS_DATE);
257                 if (!bios_date)
258                         continue;
259
260                 i = match_string(data->bios_dates, -1, bios_date);
261                 if (i >= 0)
262                         return data->orientation;
263         }
264
265         return DRM_MODE_PANEL_ORIENTATION_UNKNOWN;
266 }
267 EXPORT_SYMBOL(drm_get_panel_orientation_quirk);
268
269 #else
270
271 /* There are no quirks for non x86 devices yet */
272 int drm_get_panel_orientation_quirk(int width, int height)
273 {
274         return DRM_MODE_PANEL_ORIENTATION_UNKNOWN;
275 }
276 EXPORT_SYMBOL(drm_get_panel_orientation_quirk);
277
278 #endif
279
280 MODULE_LICENSE("Dual MIT/GPL");