Adding upstream version 5.10.209.upstream/5.10.209upstream

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

2 files changed, 317 insertions, 0 deletions

diff --git a/drivers/acpi/x86/apple.c b/drivers/acpi/x86/apple.c
new file mode 100644
index 000000000..c285c91a5
--- /dev/null
+++ b/drivers/acpi/x86/apple.c
@@ -0,0 +1,138 @@
+// SPDX-License-Identifier: GPL-2.0-only
+/*
+ * apple.c - Apple ACPI quirks
+ * Copyright (C) 2017 Lukas Wunner <lukas@wunner.de>
+ */
+
+#include <linux/acpi.h>
+#include <linux/bitmap.h>
+#include <linux/platform_data/x86/apple.h>
+#include <linux/uuid.h>
+
+/* Apple _DSM device properties GUID */
+static const guid_t apple_prp_guid =
+	GUID_INIT(0xa0b5b7c6, 0x1318, 0x441c,
+		  0xb0, 0xc9, 0xfe, 0x69, 0x5e, 0xaf, 0x94, 0x9b);
+
+/**
+ * acpi_extract_apple_properties - retrieve and convert Apple _DSM properties
+ * @adev: ACPI device for which to retrieve the properties
+ *
+ * Invoke Apple's custom _DSM once to check the protocol version and once more
+ * to retrieve the properties.  They are marshalled up in a single package as
+ * alternating key/value elements, unlike _DSD which stores them as a package
+ * of 2-element packages.  Convert to _DSD format and make them available under
+ * the primary fwnode.
+ */
+void acpi_extract_apple_properties(struct acpi_device *adev)
+{
+	unsigned int i, j = 0, newsize = 0, numprops, numvalid;
+	union acpi_object *props, *newprops;
+	unsigned long *valid = NULL;
+	void *free_space;
+
+	if (!x86_apple_machine)
+		return;
+
+	props = acpi_evaluate_dsm_typed(adev->handle, &apple_prp_guid, 1, 0,
+					NULL, ACPI_TYPE_BUFFER);
+	if (!props)
+		return;
+
+	if (!props->buffer.length)
+		goto out_free;
+
+	if (props->buffer.pointer[0] != 3) {
+		acpi_handle_info(adev->handle, FW_INFO
+				 "unsupported properties version %*ph\n",
+				 props->buffer.length, props->buffer.pointer);
+		goto out_free;
+	}
+
+	ACPI_FREE(props);
+	props = acpi_evaluate_dsm_typed(adev->handle, &apple_prp_guid, 1, 1,
+					NULL, ACPI_TYPE_PACKAGE);
+	if (!props)
+		return;
+
+	numprops = props->package.count / 2;
+	if (!numprops)
+		goto out_free;
+
+	valid = bitmap_zalloc(numprops, GFP_KERNEL);
+	if (!valid)
+		goto out_free;
+
+	/* newsize = key length + value length of each tuple */
+	for (i = 0; i < numprops; i++) {
+		union acpi_object *key = &props->package.elements[i * 2];
+		union acpi_object *val = &props->package.elements[i * 2 + 1];
+
+		if ( key->type != ACPI_TYPE_STRING ||
+		    (val->type != ACPI_TYPE_INTEGER &&
+		     val->type != ACPI_TYPE_BUFFER))
+			continue; /* skip invalid properties */
+
+		__set_bit(i, valid);
+		newsize += key->string.length + 1;
+		if ( val->type == ACPI_TYPE_BUFFER)
+			newsize += val->buffer.length;
+	}
+
+	numvalid = bitmap_weight(valid, numprops);
+	if (numprops > numvalid)
+		acpi_handle_info(adev->handle, FW_INFO
+				 "skipped %u properties: wrong type\n",
+				 numprops - numvalid);
+	if (numvalid == 0)
+		goto out_free;
+
+	/* newsize += top-level package + 3 objects for each key/value tuple */
+	newsize	+= (1 + 3 * numvalid) * sizeof(union acpi_object);
+	newprops = ACPI_ALLOCATE_ZEROED(newsize);
+	if (!newprops)
+		goto out_free;
+
+	/* layout: top-level package | packages | key/value tuples | strings */
+	newprops->type = ACPI_TYPE_PACKAGE;
+	newprops->package.count = numvalid;
+	newprops->package.elements = &newprops[1];
+	free_space = &newprops[1 + 3 * numvalid];
+
+	for_each_set_bit(i, valid, numprops) {
+		union acpi_object *key = &props->package.elements[i * 2];
+		union acpi_object *val = &props->package.elements[i * 2 + 1];
+		unsigned int k = 1 + numvalid + j * 2; /* index into newprops */
+		unsigned int v = k + 1;
+
+		newprops[1 + j].type = ACPI_TYPE_PACKAGE;
+		newprops[1 + j].package.count = 2;
+		newprops[1 + j].package.elements = &newprops[k];
+
+		newprops[k].type = ACPI_TYPE_STRING;
+		newprops[k].string.length = key->string.length;
+		newprops[k].string.pointer = free_space;
+		memcpy(free_space, key->string.pointer, key->string.length);
+		free_space += key->string.length + 1;
+
+		newprops[v].type = val->type;
+		if (val->type == ACPI_TYPE_INTEGER) {
+			newprops[v].integer.value = val->integer.value;
+		} else {
+			newprops[v].buffer.length = val->buffer.length;
+			newprops[v].buffer.pointer = free_space;
+			memcpy(free_space, val->buffer.pointer,
+			       val->buffer.length);
+			free_space += val->buffer.length;
+		}
+		j++; /* count valid properties */
+	}
+	WARN_ON(free_space != (void *)newprops + newsize);
+
+	adev->data.pointer = newprops;
+	acpi_data_add_props(&adev->data, &apple_prp_guid, newprops);
+
+out_free:
+	ACPI_FREE(props);
+	bitmap_free(valid);
+}
diff --git a/drivers/acpi/x86/utils.c b/drivers/acpi/x86/utils.c
new file mode 100644
index 000000000..3f9a162be
--- /dev/null
+++ b/drivers/acpi/x86/utils.c
@@ -0,0 +1,179 @@
+// SPDX-License-Identifier: GPL-2.0-only
+/*
+ * X86 ACPI Utility Functions
+ *
+ * Copyright (C) 2017 Hans de Goede <hdegoede@redhat.com>
+ *
+ * Based on various non upstream patches to support the CHT Whiskey Cove PMIC:
+ * Copyright (C) 2013-2015 Intel Corporation. All rights reserved.
+ */
+
+#include <linux/acpi.h>
+#include <linux/dmi.h>
+#include <asm/cpu_device_id.h>
+#include <asm/intel-family.h>
+#include "../internal.h"
+
+/*
+ * Some ACPI devices are hidden (status == 0x0) in recent BIOS-es because
+ * some recent Windows drivers bind to one device but poke at multiple
+ * devices at the same time, so the others get hidden.
+ *
+ * Some BIOS-es (temporarily) hide specific APCI devices to work around Windows
+ * driver bugs. We use DMI matching to match known cases of this.
+ *
+ * Likewise sometimes some not-actually present devices are sometimes
+ * reported as present, which may cause issues.
+ *
+ * We work around this by using the below quirk list to override the status
+ * reported by the _STA method with a fixed value (ACPI_STA_DEFAULT or 0).
+ * Note this MUST only be done for devices where this is safe.
+ *
+ * This status overriding is limited to specific CPU (SoC) models both to
+ * avoid potentially causing trouble on other models and because some HIDs
+ * are re-used on different SoCs for completely different devices.
+ */
+struct override_status_id {
+	struct acpi_device_id hid[2];
+	struct x86_cpu_id cpu_ids[2];
+	struct dmi_system_id dmi_ids[2]; /* Optional */
+	const char *uid;
+	const char *path;
+	unsigned long long status;
+};
+
+#define ENTRY(status, hid, uid, path, cpu_model, dmi...) {		\
+	{ { hid, }, {} },						\
+	{ X86_MATCH_INTEL_FAM6_MODEL(cpu_model, NULL), {} },		\
+	{ { .matches = dmi }, {} },					\
+	uid,								\
+	path,								\
+	status,								\
+}
+
+#define PRESENT_ENTRY_HID(hid, uid, cpu_model, dmi...) \
+	ENTRY(ACPI_STA_DEFAULT, hid, uid, NULL, cpu_model, dmi)
+
+#define NOT_PRESENT_ENTRY_HID(hid, uid, cpu_model, dmi...) \
+	ENTRY(0, hid, uid, NULL, cpu_model, dmi)
+
+#define PRESENT_ENTRY_PATH(path, cpu_model, dmi...) \
+	ENTRY(ACPI_STA_DEFAULT, "", NULL, path, cpu_model, dmi)
+
+#define NOT_PRESENT_ENTRY_PATH(path, cpu_model, dmi...) \
+	ENTRY(0, "", NULL, path, cpu_model, dmi)
+
+static const struct override_status_id override_status_ids[] = {
+	/*
+	 * Bay / Cherry Trail PWM directly poked by GPU driver in win10,
+	 * but Linux uses a separate PWM driver, harmless if not used.
+	 */
+	PRESENT_ENTRY_HID("80860F09", "1", ATOM_SILVERMONT, {}),
+	PRESENT_ENTRY_HID("80862288", "1", ATOM_AIRMONT, {}),
+
+	/*
+	 * The INT0002 device is necessary to clear wakeup interrupt sources
+	 * on Cherry Trail devices, without it we get nobody cared IRQ msgs.
+	 */
+	PRESENT_ENTRY_HID("INT0002", "1", ATOM_AIRMONT, {}),
+	/*
+	 * On the Dell Venue 11 Pro 7130 and 7139, the DSDT hides
+	 * the touchscreen ACPI device until a certain time
+	 * after _SB.PCI0.GFX0.LCD.LCD1._ON gets called has passed
+	 * *and* _STA has been called at least 3 times since.
+	 */
+	PRESENT_ENTRY_HID("SYNA7500", "1", HASWELL_L, {
+		DMI_MATCH(DMI_SYS_VENDOR, "Dell Inc."),
+		DMI_MATCH(DMI_PRODUCT_NAME, "Venue 11 Pro 7130"),
+	      }),
+	PRESENT_ENTRY_HID("SYNA7500", "1", HASWELL_L, {
+		DMI_MATCH(DMI_SYS_VENDOR, "Dell Inc."),
+		DMI_MATCH(DMI_PRODUCT_NAME, "Venue 11 Pro 7139"),
+	      }),
+
+	/*
+	 * The GPD win BIOS dated 20170221 has disabled the accelerometer, the
+	 * drivers sometimes cause crashes under Windows and this is how the
+	 * manufacturer has solved this :|  The DMI match may not seem unique,
+	 * but it is. In the 67000+ DMI decode dumps from linux-hardware.org
+	 * only 116 have board_vendor set to "AMI Corporation" and of those 116
+	 * only the GPD win and pocket entries' board_name is "Default string".
+	 *
+	 * Unfortunately the GPD pocket also uses these strings and its BIOS
+	 * was copy-pasted from the GPD win, so it has a disabled KIOX000A
+	 * node which we should not enable, thus we also check the BIOS date.
+	 */
+	PRESENT_ENTRY_HID("KIOX000A", "1", ATOM_AIRMONT, {
+		DMI_MATCH(DMI_BOARD_VENDOR, "AMI Corporation"),
+		DMI_MATCH(DMI_BOARD_NAME, "Default string"),
+		DMI_MATCH(DMI_PRODUCT_NAME, "Default string"),
+		DMI_MATCH(DMI_BIOS_DATE, "02/21/2017")
+	      }),
+	PRESENT_ENTRY_HID("KIOX000A", "1", ATOM_AIRMONT, {
+		DMI_MATCH(DMI_BOARD_VENDOR, "AMI Corporation"),
+		DMI_MATCH(DMI_BOARD_NAME, "Default string"),
+		DMI_MATCH(DMI_PRODUCT_NAME, "Default string"),
+		DMI_MATCH(DMI_BIOS_DATE, "03/20/2017")
+	      }),
+	PRESENT_ENTRY_HID("KIOX000A", "1", ATOM_AIRMONT, {
+		DMI_MATCH(DMI_BOARD_VENDOR, "AMI Corporation"),
+		DMI_MATCH(DMI_BOARD_NAME, "Default string"),
+		DMI_MATCH(DMI_PRODUCT_NAME, "Default string"),
+		DMI_MATCH(DMI_BIOS_DATE, "05/25/2017")
+	      }),
+
+	/*
+	 * The GPD win/pocket have a PCI wifi card, but its DSDT has the SDIO
+	 * mmc controller enabled and that has a child-device which _PS3
+	 * method sets a GPIO causing the PCI wifi card to turn off.
+	 * See above remark about uniqueness of the DMI match.
+	 */
+	NOT_PRESENT_ENTRY_PATH("\\_SB_.PCI0.SDHB.BRC1", ATOM_AIRMONT, {
+		DMI_EXACT_MATCH(DMI_BOARD_VENDOR, "AMI Corporation"),
+		DMI_EXACT_MATCH(DMI_BOARD_NAME, "Default string"),
+		DMI_EXACT_MATCH(DMI_BOARD_SERIAL, "Default string"),
+		DMI_EXACT_MATCH(DMI_PRODUCT_NAME, "Default string"),
+	      }),
+};
+
+bool acpi_device_override_status(struct acpi_device *adev, unsigned long long *status)
+{
+	bool ret = false;
+	unsigned int i;
+
+	for (i = 0; i < ARRAY_SIZE(override_status_ids); i++) {
+		if (!x86_match_cpu(override_status_ids[i].cpu_ids))
+			continue;
+
+		if (override_status_ids[i].dmi_ids[0].matches[0].slot &&
+		    !dmi_check_system(override_status_ids[i].dmi_ids))
+			continue;
+
+		if (override_status_ids[i].path) {
+			struct acpi_buffer path = { ACPI_ALLOCATE_BUFFER, NULL };
+			bool match;
+
+			if (acpi_get_name(adev->handle, ACPI_FULL_PATHNAME, &path))
+				continue;
+
+			match = strcmp((char *)path.pointer, override_status_ids[i].path) == 0;
+			kfree(path.pointer);
+
+			if (!match)
+				continue;
+		} else {
+			if (acpi_match_device_ids(adev, override_status_ids[i].hid))
+				continue;
+
+			if (!adev->pnp.unique_id ||
+			    strcmp(adev->pnp.unique_id, override_status_ids[i].uid))
+				continue;
+		}
+
+		*status = override_status_ids[i].status;
+		ret = true;
+		break;
+	}
+
+	return ret;
+}