ACPI: x86: Add skip i2c clients quirk for Medion Lifetab S10346
[platform/kernel/linux-starfive.git] / drivers / acpi / x86 / utils.c
1 // SPDX-License-Identifier: GPL-2.0-only
2 /*
3  * X86 ACPI Utility Functions
4  *
5  * Copyright (C) 2017 Hans de Goede <hdegoede@redhat.com>
6  *
7  * Based on various non upstream patches to support the CHT Whiskey Cove PMIC:
8  * Copyright (C) 2013-2015 Intel Corporation. All rights reserved.
9  */
10
11 #define pr_fmt(fmt) "ACPI: " fmt
12
13 #include <linux/acpi.h>
14 #include <linux/dmi.h>
15 #include <linux/platform_device.h>
16 #include <asm/cpu_device_id.h>
17 #include <asm/intel-family.h>
18 #include "../internal.h"
19
20 /*
21  * Some ACPI devices are hidden (status == 0x0) in recent BIOS-es because
22  * some recent Windows drivers bind to one device but poke at multiple
23  * devices at the same time, so the others get hidden.
24  *
25  * Some BIOS-es (temporarily) hide specific APCI devices to work around Windows
26  * driver bugs. We use DMI matching to match known cases of this.
27  *
28  * Likewise sometimes some not-actually present devices are sometimes
29  * reported as present, which may cause issues.
30  *
31  * We work around this by using the below quirk list to override the status
32  * reported by the _STA method with a fixed value (ACPI_STA_DEFAULT or 0).
33  * Note this MUST only be done for devices where this is safe.
34  *
35  * This status overriding is limited to specific CPU (SoC) models both to
36  * avoid potentially causing trouble on other models and because some HIDs
37  * are re-used on different SoCs for completely different devices.
38  */
39 struct override_status_id {
40         struct acpi_device_id hid[2];
41         struct x86_cpu_id cpu_ids[2];
42         struct dmi_system_id dmi_ids[2]; /* Optional */
43         const char *uid;
44         const char *path;
45         unsigned long long status;
46 };
47
48 #define ENTRY(status, hid, uid, path, cpu_model, dmi...) {              \
49         { { hid, }, {} },                                               \
50         { X86_MATCH_INTEL_FAM6_MODEL(cpu_model, NULL), {} },            \
51         { { .matches = dmi }, {} },                                     \
52         uid,                                                            \
53         path,                                                           \
54         status,                                                         \
55 }
56
57 #define PRESENT_ENTRY_HID(hid, uid, cpu_model, dmi...) \
58         ENTRY(ACPI_STA_DEFAULT, hid, uid, NULL, cpu_model, dmi)
59
60 #define NOT_PRESENT_ENTRY_HID(hid, uid, cpu_model, dmi...) \
61         ENTRY(0, hid, uid, NULL, cpu_model, dmi)
62
63 #define PRESENT_ENTRY_PATH(path, cpu_model, dmi...) \
64         ENTRY(ACPI_STA_DEFAULT, "", NULL, path, cpu_model, dmi)
65
66 #define NOT_PRESENT_ENTRY_PATH(path, cpu_model, dmi...) \
67         ENTRY(0, "", NULL, path, cpu_model, dmi)
68
69 static const struct override_status_id override_status_ids[] = {
70         /*
71          * Bay / Cherry Trail PWM directly poked by GPU driver in win10,
72          * but Linux uses a separate PWM driver, harmless if not used.
73          */
74         PRESENT_ENTRY_HID("80860F09", "1", ATOM_SILVERMONT, {}),
75         PRESENT_ENTRY_HID("80862288", "1", ATOM_AIRMONT, {}),
76
77         /* The Xiaomi Mi Pad 2 uses PWM2 for touchkeys backlight control */
78         PRESENT_ENTRY_HID("80862289", "2", ATOM_AIRMONT, {
79                 DMI_MATCH(DMI_SYS_VENDOR, "Xiaomi Inc"),
80                 DMI_MATCH(DMI_PRODUCT_NAME, "Mipad2"),
81               }),
82
83         /*
84          * The INT0002 device is necessary to clear wakeup interrupt sources
85          * on Cherry Trail devices, without it we get nobody cared IRQ msgs.
86          */
87         PRESENT_ENTRY_HID("INT0002", "1", ATOM_AIRMONT, {}),
88         /*
89          * On the Dell Venue 11 Pro 7130 and 7139, the DSDT hides
90          * the touchscreen ACPI device until a certain time
91          * after _SB.PCI0.GFX0.LCD.LCD1._ON gets called has passed
92          * *and* _STA has been called at least 3 times since.
93          */
94         PRESENT_ENTRY_HID("SYNA7500", "1", HASWELL_L, {
95                 DMI_MATCH(DMI_SYS_VENDOR, "Dell Inc."),
96                 DMI_MATCH(DMI_PRODUCT_NAME, "Venue 11 Pro 7130"),
97               }),
98         PRESENT_ENTRY_HID("SYNA7500", "1", HASWELL_L, {
99                 DMI_MATCH(DMI_SYS_VENDOR, "Dell Inc."),
100                 DMI_MATCH(DMI_PRODUCT_NAME, "Venue 11 Pro 7139"),
101               }),
102
103         /*
104          * The GPD win BIOS dated 20170221 has disabled the accelerometer, the
105          * drivers sometimes cause crashes under Windows and this is how the
106          * manufacturer has solved this :|  The DMI match may not seem unique,
107          * but it is. In the 67000+ DMI decode dumps from linux-hardware.org
108          * only 116 have board_vendor set to "AMI Corporation" and of those 116
109          * only the GPD win and pocket entries' board_name is "Default string".
110          *
111          * Unfortunately the GPD pocket also uses these strings and its BIOS
112          * was copy-pasted from the GPD win, so it has a disabled KIOX000A
113          * node which we should not enable, thus we also check the BIOS date.
114          */
115         PRESENT_ENTRY_HID("KIOX000A", "1", ATOM_AIRMONT, {
116                 DMI_MATCH(DMI_BOARD_VENDOR, "AMI Corporation"),
117                 DMI_MATCH(DMI_BOARD_NAME, "Default string"),
118                 DMI_MATCH(DMI_PRODUCT_NAME, "Default string"),
119                 DMI_MATCH(DMI_BIOS_DATE, "02/21/2017")
120               }),
121         PRESENT_ENTRY_HID("KIOX000A", "1", ATOM_AIRMONT, {
122                 DMI_MATCH(DMI_BOARD_VENDOR, "AMI Corporation"),
123                 DMI_MATCH(DMI_BOARD_NAME, "Default string"),
124                 DMI_MATCH(DMI_PRODUCT_NAME, "Default string"),
125                 DMI_MATCH(DMI_BIOS_DATE, "03/20/2017")
126               }),
127         PRESENT_ENTRY_HID("KIOX000A", "1", ATOM_AIRMONT, {
128                 DMI_MATCH(DMI_BOARD_VENDOR, "AMI Corporation"),
129                 DMI_MATCH(DMI_BOARD_NAME, "Default string"),
130                 DMI_MATCH(DMI_PRODUCT_NAME, "Default string"),
131                 DMI_MATCH(DMI_BIOS_DATE, "05/25/2017")
132               }),
133
134         /*
135          * The GPD win/pocket have a PCI wifi card, but its DSDT has the SDIO
136          * mmc controller enabled and that has a child-device which _PS3
137          * method sets a GPIO causing the PCI wifi card to turn off.
138          * See above remark about uniqueness of the DMI match.
139          */
140         NOT_PRESENT_ENTRY_PATH("\\_SB_.PCI0.SDHB.BRC1", ATOM_AIRMONT, {
141                 DMI_EXACT_MATCH(DMI_BOARD_VENDOR, "AMI Corporation"),
142                 DMI_EXACT_MATCH(DMI_BOARD_NAME, "Default string"),
143                 DMI_EXACT_MATCH(DMI_BOARD_SERIAL, "Default string"),
144                 DMI_EXACT_MATCH(DMI_PRODUCT_NAME, "Default string"),
145               }),
146 };
147
148 bool acpi_device_override_status(struct acpi_device *adev, unsigned long long *status)
149 {
150         bool ret = false;
151         unsigned int i;
152
153         for (i = 0; i < ARRAY_SIZE(override_status_ids); i++) {
154                 if (!x86_match_cpu(override_status_ids[i].cpu_ids))
155                         continue;
156
157                 if (override_status_ids[i].dmi_ids[0].matches[0].slot &&
158                     !dmi_check_system(override_status_ids[i].dmi_ids))
159                         continue;
160
161                 if (override_status_ids[i].path) {
162                         struct acpi_buffer path = { ACPI_ALLOCATE_BUFFER, NULL };
163                         bool match;
164
165                         if (acpi_get_name(adev->handle, ACPI_FULL_PATHNAME, &path))
166                                 continue;
167
168                         match = strcmp((char *)path.pointer, override_status_ids[i].path) == 0;
169                         kfree(path.pointer);
170
171                         if (!match)
172                                 continue;
173                 } else {
174                         if (acpi_match_device_ids(adev, override_status_ids[i].hid))
175                                 continue;
176
177                         if (!adev->pnp.unique_id ||
178                             strcmp(adev->pnp.unique_id, override_status_ids[i].uid))
179                                 continue;
180                 }
181
182                 *status = override_status_ids[i].status;
183                 ret = true;
184                 break;
185         }
186
187         return ret;
188 }
189
190 /*
191  * AMD systems from Renoir and Lucienne *require* that the NVME controller
192  * is put into D3 over a Modern Standby / suspend-to-idle cycle.
193  *
194  * This is "typically" accomplished using the `StorageD3Enable`
195  * property in the _DSD that is checked via the `acpi_storage_d3` function
196  * but this property was introduced after many of these systems launched
197  * and most OEM systems don't have it in their BIOS.
198  *
199  * The Microsoft documentation for StorageD3Enable mentioned that Windows has
200  * a hardcoded allowlist for D3 support, which was used for these platforms.
201  *
202  * This allows quirking on Linux in a similar fashion.
203  */
204 static const struct x86_cpu_id storage_d3_cpu_ids[] = {
205         X86_MATCH_VENDOR_FAM_MODEL(AMD, 23, 96, NULL),  /* Renoir */
206         X86_MATCH_VENDOR_FAM_MODEL(AMD, 23, 104, NULL), /* Lucienne */
207         {}
208 };
209
210 static const struct dmi_system_id force_storage_d3_dmi[] = {
211         {
212                 /*
213                  * _ADR is ambiguous between GPP1.DEV0 and GPP1.NVME
214                  * but .NVME is needed to get StorageD3Enable node
215                  * https://bugzilla.kernel.org/show_bug.cgi?id=216440
216                  */
217                 .matches = {
218                         DMI_MATCH(DMI_SYS_VENDOR, "Dell Inc."),
219                         DMI_MATCH(DMI_PRODUCT_NAME, "Inspiron 14 7425 2-in-1"),
220                 }
221         },
222         {
223                 .matches = {
224                         DMI_MATCH(DMI_SYS_VENDOR, "Dell Inc."),
225                         DMI_MATCH(DMI_PRODUCT_NAME, "Inspiron 16 5625"),
226                 }
227         },
228         {}
229 };
230
231 bool force_storage_d3(void)
232 {
233         const struct dmi_system_id *dmi_id = dmi_first_match(force_storage_d3_dmi);
234
235         return dmi_id || x86_match_cpu(storage_d3_cpu_ids);
236 }
237
238 /*
239  * x86 ACPI boards which ship with only Android as their factory image usually
240  * declare a whole bunch of bogus I2C devices in their ACPI tables and sometimes
241  * there are issues with serdev devices on these boards too, e.g. the resource
242  * points to the wrong serdev_controller.
243  *
244  * Instantiating I2C / serdev devs for these bogus devs causes various issues,
245  * e.g. GPIO/IRQ resource conflicts because sometimes drivers do bind to them.
246  * The Android x86 kernel fork shipped on these devices has some special code
247  * to remove the bogus I2C clients (and AFAICT serdevs are ignored completely).
248  *
249  * The acpi_quirk_skip_*_enumeration() functions below are used by the I2C or
250  * serdev code to skip instantiating any I2C or serdev devs on broken boards.
251  *
252  * In case of I2C an exception is made for HIDs on the i2c_acpi_known_good_ids
253  * list. These are known to always be correct (and in case of the audio-codecs
254  * the drivers heavily rely on the codec being enumerated through ACPI).
255  *
256  * Note these boards typically do actually have I2C and serdev devices,
257  * just different ones then the ones described in their DSDT. The devices
258  * which are actually present are manually instantiated by the
259  * drivers/platform/x86/x86-android-tablets.c kernel module.
260  */
261 #define ACPI_QUIRK_SKIP_I2C_CLIENTS                             BIT(0)
262 #define ACPI_QUIRK_UART1_TTY_UART2_SKIP                         BIT(1)
263 #define ACPI_QUIRK_SKIP_ACPI_AC_AND_BATTERY                     BIT(2)
264 #define ACPI_QUIRK_USE_ACPI_AC_AND_BATTERY                      BIT(3)
265
266 static const struct dmi_system_id acpi_quirk_skip_dmi_ids[] = {
267         /*
268          * 1. Devices with only the skip / don't-skip AC and battery quirks,
269          *    sorted alphabetically.
270          */
271         {
272                 /* ECS EF20EA, AXP288 PMIC but uses separate fuel-gauge */
273                 .matches = {
274                         DMI_MATCH(DMI_PRODUCT_NAME, "EF20EA"),
275                 },
276                 .driver_data = (void *)ACPI_QUIRK_USE_ACPI_AC_AND_BATTERY
277         },
278         {
279                 /* Lenovo Ideapad Miix 320, AXP288 PMIC, separate fuel-gauge */
280                 .matches = {
281                         DMI_MATCH(DMI_SYS_VENDOR, "LENOVO"),
282                         DMI_MATCH(DMI_PRODUCT_NAME, "80XF"),
283                         DMI_MATCH(DMI_PRODUCT_VERSION, "Lenovo MIIX 320-10ICR"),
284                 },
285                 .driver_data = (void *)ACPI_QUIRK_USE_ACPI_AC_AND_BATTERY
286         },
287
288         /*
289          * 2. Devices which also have the skip i2c/serdev quirks and which
290          *    need the x86-android-tablets module to properly work.
291          */
292 #if IS_ENABLED(CONFIG_X86_ANDROID_TABLETS)
293         {
294                 .matches = {
295                         DMI_EXACT_MATCH(DMI_SYS_VENDOR, "ASUSTeK COMPUTER INC."),
296                         DMI_EXACT_MATCH(DMI_PRODUCT_NAME, "ME176C"),
297                 },
298                 .driver_data = (void *)(ACPI_QUIRK_SKIP_I2C_CLIENTS |
299                                         ACPI_QUIRK_UART1_TTY_UART2_SKIP |
300                                         ACPI_QUIRK_SKIP_ACPI_AC_AND_BATTERY),
301         },
302         {
303                 .matches = {
304                         DMI_MATCH(DMI_SYS_VENDOR, "ASUSTeK COMPUTER INC."),
305                         DMI_MATCH(DMI_PRODUCT_NAME, "TF103C"),
306                 },
307                 .driver_data = (void *)(ACPI_QUIRK_SKIP_I2C_CLIENTS |
308                                         ACPI_QUIRK_SKIP_ACPI_AC_AND_BATTERY),
309         },
310         {
311                 /* Lenovo Yoga Tablet 2 1050F/L */
312                 .matches = {
313                         DMI_MATCH(DMI_SYS_VENDOR, "Intel Corp."),
314                         DMI_MATCH(DMI_PRODUCT_NAME, "VALLEYVIEW C0 PLATFORM"),
315                         DMI_MATCH(DMI_BOARD_NAME, "BYT-T FFD8"),
316                         /* Partial match on beginning of BIOS version */
317                         DMI_MATCH(DMI_BIOS_VERSION, "BLADE_21"),
318                 },
319                 .driver_data = (void *)(ACPI_QUIRK_SKIP_I2C_CLIENTS |
320                                         ACPI_QUIRK_SKIP_ACPI_AC_AND_BATTERY),
321         },
322         {
323                 /* Lenovo Yoga Tab 3 Pro X90F */
324                 .matches = {
325                         DMI_MATCH(DMI_SYS_VENDOR, "Intel Corporation"),
326                         DMI_MATCH(DMI_PRODUCT_NAME, "CHERRYVIEW D1 PLATFORM"),
327                         DMI_MATCH(DMI_PRODUCT_VERSION, "Blade3-10A-001"),
328                 },
329                 .driver_data = (void *)(ACPI_QUIRK_SKIP_I2C_CLIENTS |
330                                         ACPI_QUIRK_SKIP_ACPI_AC_AND_BATTERY),
331         },
332         {
333                 /* Medion Lifetab S10346 */
334                 .matches = {
335                         DMI_MATCH(DMI_BOARD_VENDOR, "AMI Corporation"),
336                         DMI_MATCH(DMI_BOARD_NAME, "Aptio CRB"),
337                         /* Way too generic, also match on BIOS data */
338                         DMI_MATCH(DMI_BIOS_DATE, "10/22/2015"),
339                 },
340                 .driver_data = (void *)(ACPI_QUIRK_SKIP_I2C_CLIENTS |
341                                         ACPI_QUIRK_SKIP_ACPI_AC_AND_BATTERY),
342         },
343         {
344                 /* Nextbook Ares 8 */
345                 .matches = {
346                         DMI_MATCH(DMI_SYS_VENDOR, "Insyde"),
347                         DMI_MATCH(DMI_PRODUCT_NAME, "M890BAP"),
348                 },
349                 .driver_data = (void *)(ACPI_QUIRK_SKIP_I2C_CLIENTS |
350                                         ACPI_QUIRK_SKIP_ACPI_AC_AND_BATTERY),
351         },
352         {
353                 /* Whitelabel (sold as various brands) TM800A550L */
354                 .matches = {
355                         DMI_MATCH(DMI_BOARD_VENDOR, "AMI Corporation"),
356                         DMI_MATCH(DMI_BOARD_NAME, "Aptio CRB"),
357                         /* Above strings are too generic, also match on BIOS version */
358                         DMI_MATCH(DMI_BIOS_VERSION, "ZY-8-BI-PX4S70VTR400-X423B-005-D"),
359                 },
360                 .driver_data = (void *)(ACPI_QUIRK_SKIP_I2C_CLIENTS |
361                                         ACPI_QUIRK_SKIP_ACPI_AC_AND_BATTERY),
362         },
363 #endif
364         {}
365 };
366
367 #if IS_ENABLED(CONFIG_X86_ANDROID_TABLETS)
368 static const struct acpi_device_id i2c_acpi_known_good_ids[] = {
369         { "10EC5640", 0 }, /* RealTek ALC5640 audio codec */
370         { "INT33F4", 0 },  /* X-Powers AXP288 PMIC */
371         { "INT33FD", 0 },  /* Intel Crystal Cove PMIC */
372         { "INT34D3", 0 },  /* Intel Whiskey Cove PMIC */
373         { "NPCE69A", 0 },  /* Asus Transformer keyboard dock */
374         {}
375 };
376
377 bool acpi_quirk_skip_i2c_client_enumeration(struct acpi_device *adev)
378 {
379         const struct dmi_system_id *dmi_id;
380         long quirks;
381
382         dmi_id = dmi_first_match(acpi_quirk_skip_dmi_ids);
383         if (!dmi_id)
384                 return false;
385
386         quirks = (unsigned long)dmi_id->driver_data;
387         if (!(quirks & ACPI_QUIRK_SKIP_I2C_CLIENTS))
388                 return false;
389
390         return acpi_match_device_ids(adev, i2c_acpi_known_good_ids);
391 }
392 EXPORT_SYMBOL_GPL(acpi_quirk_skip_i2c_client_enumeration);
393
394 int acpi_quirk_skip_serdev_enumeration(struct device *controller_parent, bool *skip)
395 {
396         struct acpi_device *adev = ACPI_COMPANION(controller_parent);
397         const struct dmi_system_id *dmi_id;
398         long quirks = 0;
399         u64 uid;
400         int ret;
401
402         *skip = false;
403
404         ret = acpi_dev_uid_to_integer(adev, &uid);
405         if (ret)
406                 return 0;
407
408         /* to not match on PNP enumerated debug UARTs */
409         if (!dev_is_platform(controller_parent))
410                 return 0;
411
412         dmi_id = dmi_first_match(acpi_quirk_skip_dmi_ids);
413         if (dmi_id)
414                 quirks = (unsigned long)dmi_id->driver_data;
415
416         if (quirks & ACPI_QUIRK_UART1_TTY_UART2_SKIP) {
417                 if (uid == 1)
418                         return -ENODEV; /* Create tty cdev instead of serdev */
419
420                 if (uid == 2)
421                         *skip = true;
422         }
423
424         return 0;
425 }
426 EXPORT_SYMBOL_GPL(acpi_quirk_skip_serdev_enumeration);
427 #endif
428
429 /* Lists of PMIC ACPI HIDs with an (often better) native charger driver */
430 static const struct {
431         const char *hid;
432         int hrv;
433 } acpi_skip_ac_and_battery_pmic_ids[] = {
434         { "INT33F4", -1 }, /* X-Powers AXP288 PMIC */
435         { "INT34D3",  3 }, /* Intel Cherrytrail Whiskey Cove PMIC */
436 };
437
438 bool acpi_quirk_skip_acpi_ac_and_battery(void)
439 {
440         const struct dmi_system_id *dmi_id;
441         long quirks = 0;
442         int i;
443
444         dmi_id = dmi_first_match(acpi_quirk_skip_dmi_ids);
445         if (dmi_id)
446                 quirks = (unsigned long)dmi_id->driver_data;
447
448         if (quirks & ACPI_QUIRK_SKIP_ACPI_AC_AND_BATTERY)
449                 return true;
450
451         if (quirks & ACPI_QUIRK_USE_ACPI_AC_AND_BATTERY)
452                 return false;
453
454         for (i = 0; i < ARRAY_SIZE(acpi_skip_ac_and_battery_pmic_ids); i++) {
455                 if (acpi_dev_present(acpi_skip_ac_and_battery_pmic_ids[i].hid, "1",
456                                      acpi_skip_ac_and_battery_pmic_ids[i].hrv)) {
457                         pr_info_once("found native %s PMIC, skipping ACPI AC and battery devices\n",
458                                      acpi_skip_ac_and_battery_pmic_ids[i].hid);
459                         return true;
460                 }
461         }
462
463         return false;
464 }
465 EXPORT_SYMBOL_GPL(acpi_quirk_skip_acpi_ac_and_battery);