diff options
36 files changed, 547 insertions, 194 deletions
diff --git a/Documentation/firmware-guide/acpi/osi.rst b/Documentation/firmware-guide/acpi/osi.rst index 29e9ef79ebc0..05869c0045d7 100644 --- a/Documentation/firmware-guide/acpi/osi.rst +++ b/Documentation/firmware-guide/acpi/osi.rst @@ -74,7 +74,7 @@ The ACPI BIOS flow would include an evaluation of _OS, and the AML interpreter in the kernel would return to it a string identifying the OS: Windows 98, SE: "Microsoft Windows" -Windows ME: "Microsoft WindowsME:Millenium Edition" +Windows ME: "Microsoft WindowsME:Millennium Edition" Windows NT: "Microsoft Windows NT" The idea was on a platform tasked with running multiple OS's, diff --git a/MAINTAINERS b/MAINTAINERS index 3c69fa90f7c5..fe347675fb5c 100644 --- a/MAINTAINERS +++ b/MAINTAINERS @@ -334,7 +334,7 @@ F: drivers/platform/x86/acer-wmi.c ACPI M: "Rafael J. Wysocki" <rafael@kernel.org> -M: Len Brown <lenb@kernel.org> +R: Len Brown <lenb@kernel.org> L: linux-acpi@vger.kernel.org S: Supported W: https://01.org/linux-acpi @@ -355,7 +355,7 @@ F: tools/power/acpi/ ACPI APEI M: "Rafael J. Wysocki" <rafael@kernel.org> -M: Len Brown <lenb@kernel.org> +R: Len Brown <lenb@kernel.org> R: James Morse <james.morse@arm.com> R: Tony Luck <tony.luck@intel.com> R: Borislav Petkov <bp@alien8.de> @@ -378,14 +378,6 @@ F: drivers/acpi/acpica/ F: include/acpi/ F: tools/power/acpi/ -ACPI FAN DRIVER -M: Zhang Rui <rui.zhang@intel.com> -L: linux-acpi@vger.kernel.org -S: Supported -W: https://01.org/linux-acpi -B: https://bugzilla.kernel.org -F: drivers/acpi/fan.c - ACPI FOR ARM64 (ACPI/arm64) M: Lorenzo Pieralisi <lorenzo.pieralisi@arm.com> M: Hanjun Guo <guohanjun@huawei.com> @@ -428,14 +420,6 @@ W: https://01.org/linux-acpi B: https://bugzilla.kernel.org F: drivers/acpi/*thermal* -ACPI VIDEO DRIVER -M: Zhang Rui <rui.zhang@intel.com> -L: linux-acpi@vger.kernel.org -S: Supported -W: https://01.org/linux-acpi -B: https://bugzilla.kernel.org -F: drivers/acpi/acpi_video.c - ACPI VIOT DRIVER M: Jean-Philippe Brucker <jean-philippe@linaro.org> L: linux-acpi@vger.kernel.org diff --git a/arch/x86/kernel/acpi/boot.c b/arch/x86/kernel/acpi/boot.c index 14bcd59bcdee..5b6d1a95776f 100644 --- a/arch/x86/kernel/acpi/boot.c +++ b/arch/x86/kernel/acpi/boot.c @@ -62,6 +62,7 @@ int acpi_fix_pin2_polarity __initdata; #ifdef CONFIG_X86_LOCAL_APIC static u64 acpi_lapic_addr __initdata = APIC_DEFAULT_PHYS_BASE; +static bool acpi_support_online_capable; #endif #ifdef CONFIG_X86_IO_APIC @@ -138,6 +139,8 @@ static int __init acpi_parse_madt(struct acpi_table_header *table) pr_debug("Local APIC address 0x%08x\n", madt->address); } + if (madt->header.revision >= 5) + acpi_support_online_capable = true; default_acpi_madt_oem_check(madt->header.oem_id, madt->header.oem_table_id); @@ -239,6 +242,12 @@ acpi_parse_lapic(union acpi_subtable_headers * header, const unsigned long end) if (processor->id == 0xff) return 0; + /* don't register processors that can not be onlined */ + if (acpi_support_online_capable && + !(processor->lapic_flags & ACPI_MADT_ENABLED) && + !(processor->lapic_flags & ACPI_MADT_ONLINE_CAPABLE)) + return 0; + /* * We need to register disabled CPU as well to permit * counting disabled CPUs. This allows us to size diff --git a/arch/x86/kernel/acpi/cstate.c b/arch/x86/kernel/acpi/cstate.c index 7de599eba7f0..7945eae5b315 100644 --- a/arch/x86/kernel/acpi/cstate.c +++ b/arch/x86/kernel/acpi/cstate.c @@ -79,6 +79,21 @@ void acpi_processor_power_init_bm_check(struct acpi_processor_flags *flags, */ flags->bm_control = 0; } + if (c->x86_vendor == X86_VENDOR_AMD && c->x86 >= 0x17) { + /* + * For all AMD Zen or newer CPUs that support C3, caches + * should not be flushed by software while entering C3 + * type state. Set bm->check to 1 so that kernel doesn't + * need to execute cache flush operation. + */ + flags->bm_check = 1; + /* + * In current AMD C state implementation ARB_DIS is no longer + * used. So set bm_control to zero to indicate ARB_DIS is not + * required while entering C3 type state. + */ + flags->bm_control = 0; + } } EXPORT_SYMBOL(acpi_processor_power_init_bm_check); diff --git a/drivers/acpi/Kconfig b/drivers/acpi/Kconfig index 1da360c51d66..cdbdf68bd98f 100644 --- a/drivers/acpi/Kconfig +++ b/drivers/acpi/Kconfig @@ -71,7 +71,7 @@ config ACPI_DEBUGGER if ACPI_DEBUGGER config ACPI_DEBUGGER_USER - tristate "Userspace debugger accessiblity" + tristate "Userspace debugger accessibility" depends on DEBUG_FS help Export /sys/kernel/debug/acpi/acpidbg for userspace utilities diff --git a/drivers/acpi/ac.c b/drivers/acpi/ac.c index b0cb662233f1..81aff651a0d4 100644 --- a/drivers/acpi/ac.c +++ b/drivers/acpi/ac.c @@ -61,6 +61,7 @@ static SIMPLE_DEV_PM_OPS(acpi_ac_pm, NULL, acpi_ac_resume); static int ac_sleep_before_get_state_ms; static int ac_check_pmic = 1; +static int ac_only; static struct acpi_driver acpi_ac_driver = { .name = "ac", @@ -93,6 +94,11 @@ static int acpi_ac_get_state(struct acpi_ac *ac) if (!ac) return -EINVAL; + if (ac_only) { + ac->state = 1; + return 0; + } + status = acpi_evaluate_integer(ac->device->handle, "_PSR", NULL, &ac->state); if (ACPI_FAILURE(status)) { @@ -200,6 +206,12 @@ static int __init ac_do_not_check_pmic_quirk(const struct dmi_system_id *d) return 0; } +static int __init ac_only_quirk(const struct dmi_system_id *d) +{ + ac_only = 1; + return 0; +} + /* Please keep this list alphabetically sorted */ static const struct dmi_system_id ac_dmi_table[] __initconst = { { @@ -210,6 +222,13 @@ static const struct dmi_system_id ac_dmi_table[] __initconst = { }, }, { + /* Kodlix GK45 returning incorrect state */ + .callback = ac_only_quirk, + .matches = { + DMI_MATCH(DMI_PRODUCT_NAME, "GK45"), + }, + }, + { /* Lenovo Ideapad Miix 320, AXP288 PMIC, separate fuel-gauge */ .callback = ac_do_not_check_pmic_quirk, .matches = { diff --git a/drivers/acpi/acpi_lpss.c b/drivers/acpi/acpi_lpss.c index 30b1f511c2af..bcae0f03572b 100644 --- a/drivers/acpi/acpi_lpss.c +++ b/drivers/acpi/acpi_lpss.c @@ -712,14 +712,13 @@ static void __lpss_reg_write(u32 val, struct lpss_private_data *pdata, static int lpss_reg_read(struct device *dev, unsigned int reg, u32 *val) { - struct acpi_device *adev; + struct acpi_device *adev = ACPI_COMPANION(dev); struct lpss_private_data *pdata; unsigned long flags; int ret; - ret = acpi_bus_get_device(ACPI_HANDLE(dev), &adev); - if (WARN_ON(ret)) - return ret; + if (WARN_ON(!adev)) + return -ENODEV; spin_lock_irqsave(&dev->power.lock, flags); if (pm_runtime_suspended(dev)) { @@ -732,6 +731,7 @@ static int lpss_reg_read(struct device *dev, unsigned int reg, u32 *val) goto out; } *val = __lpss_reg_read(pdata, reg); + ret = 0; out: spin_unlock_irqrestore(&dev->power.lock, flags); @@ -750,7 +750,7 @@ static ssize_t lpss_ltr_show(struct device *dev, struct device_attribute *attr, if (ret) return ret; - return snprintf(buf, PAGE_SIZE, "%08x\n", ltr_value); + return sysfs_emit(buf, "%08x\n", ltr_value); } static ssize_t lpss_ltr_mode_show(struct device *dev, @@ -1266,7 +1266,8 @@ static int acpi_lpss_platform_notify(struct notifier_block *nb, if (!id || !id->driver_data) return 0; - if (acpi_bus_get_device(ACPI_HANDLE(&pdev->dev), &adev)) + adev = ACPI_COMPANION(&pdev->dev); + if (!adev) return 0; pdata = acpi_driver_data(adev); diff --git a/drivers/acpi/acpi_pnp.c b/drivers/acpi/acpi_pnp.c index 8f2dc176bb41..ffdcfcd4a10d 100644 --- a/drivers/acpi/acpi_pnp.c +++ b/drivers/acpi/acpi_pnp.c @@ -156,8 +156,6 @@ static const struct acpi_device_id acpi_pnp_device_ids[] = { {"BRI0A49"}, /* Boca Complete Ofc Communicator 14.4 Data-FAX */ {"BRI1400"}, /* Boca Research 33,600 ACF Modem */ {"BRI3400"}, /* Boca 33.6 Kbps Internal FD34FSVD */ - {"BRI0A49"}, /* Boca 33.6 Kbps Internal FD34FSVD */ - {"BDP3336"}, /* Best Data Products Inc. Smart One 336F PnP Modem */ {"CPI4050"}, /* Computer Peripherals Inc. EuroViVa CommCenter-33.6 SP PnP */ {"CTL3001"}, /* Creative Labs Phone Blaster 28.8 DSVD PnP Voice */ {"CTL3011"}, /* Creative Labs Modem Blaster 28.8 DSVD PnP Voice */ diff --git a/drivers/acpi/acpica/acglobal.h b/drivers/acpi/acpica/acglobal.h index d41b810e367c..4366d36ef119 100644 --- a/drivers/acpi/acpica/acglobal.h +++ b/drivers/acpi/acpica/acglobal.h @@ -226,6 +226,8 @@ extern struct acpi_bit_register_info acpi_gbl_bit_register_info[ACPI_NUM_BITREG]; ACPI_GLOBAL(u8, acpi_gbl_sleep_type_a); ACPI_GLOBAL(u8, acpi_gbl_sleep_type_b); +ACPI_GLOBAL(u8, acpi_gbl_sleep_type_a_s0); +ACPI_GLOBAL(u8, acpi_gbl_sleep_type_b_s0); /***************************************************************************** * diff --git a/drivers/acpi/acpica/hwesleep.c b/drivers/acpi/acpica/hwesleep.c index 803402aefaeb..808fdf54aeeb 100644 --- a/drivers/acpi/acpica/hwesleep.c +++ b/drivers/acpi/acpica/hwesleep.c @@ -147,17 +147,13 @@ acpi_status acpi_hw_extended_sleep(u8 sleep_state) acpi_status acpi_hw_extended_wake_prep(u8 sleep_state) { - acpi_status status; u8 sleep_type_value; ACPI_FUNCTION_TRACE(hw_extended_wake_prep); - status = acpi_get_sleep_type_data(ACPI_STATE_S0, - &acpi_gbl_sleep_type_a, - &acpi_gbl_sleep_type_b); - if (ACPI_SUCCESS(status)) { + if (acpi_gbl_sleep_type_a_s0 != ACPI_SLEEP_TYPE_INVALID) { sleep_type_value = - ((acpi_gbl_sleep_type_a << ACPI_X_SLEEP_TYPE_POSITION) & + ((acpi_gbl_sleep_type_a_s0 << ACPI_X_SLEEP_TYPE_POSITION) & ACPI_X_SLEEP_TYPE_MASK); (void)acpi_write((u64)(sleep_type_value | ACPI_X_SLEEP_ENABLE), diff --git a/drivers/acpi/acpica/hwsleep.c b/drivers/acpi/acpica/hwsleep.c index 14baa13bf848..34a3825f25d3 100644 --- a/drivers/acpi/acpica/hwsleep.c +++ b/drivers/acpi/acpica/hwsleep.c @@ -179,7 +179,7 @@ acpi_status acpi_hw_legacy_sleep(u8 sleep_state) acpi_status acpi_hw_legacy_wake_prep(u8 sleep_state) { - acpi_status status; + acpi_status status = AE_OK; struct acpi_bit_register_info *sleep_type_reg_info; struct acpi_bit_register_info *sleep_enable_reg_info; u32 pm1a_control; @@ -192,10 +192,7 @@ acpi_status acpi_hw_legacy_wake_prep(u8 sleep_state) * This is unclear from the ACPI Spec, but it is required * by some machines. */ - status = acpi_get_sleep_type_data(ACPI_STATE_S0, - &acpi_gbl_sleep_type_a, - &acpi_gbl_sleep_type_b); - if (ACPI_SUCCESS(status)) { + if (acpi_gbl_sleep_type_a_s0 != ACPI_SLEEP_TYPE_INVALID) { sleep_type_reg_info = acpi_hw_get_bit_register_info(ACPI_BITREG_SLEEP_TYPE); sleep_enable_reg_info = @@ -216,9 +213,9 @@ acpi_status acpi_hw_legacy_wake_prep(u8 sleep_state) /* Insert the SLP_TYP bits */ - pm1a_control |= (acpi_gbl_sleep_type_a << + pm1a_control |= (acpi_gbl_sleep_type_a_s0 << sleep_type_reg_info->bit_position); - pm1b_control |= (acpi_gbl_sleep_type_b << + pm1b_control |= (acpi_gbl_sleep_type_b_s0 << sleep_type_reg_info->bit_position); /* Write the control registers and ignore any errors */ diff --git a/drivers/acpi/acpica/hwxfsleep.c b/drivers/acpi/acpica/hwxfsleep.c index 89b12afed564..e4cde23a2906 100644 --- a/drivers/acpi/acpica/hwxfsleep.c +++ b/drivers/acpi/acpica/hwxfsleep.c @@ -217,6 +217,13 @@ acpi_status acpi_enter_sleep_state_prep(u8 sleep_state) return_ACPI_STATUS(status); } + status = acpi_get_sleep_type_data(ACPI_STATE_S0, + &acpi_gbl_sleep_type_a_s0, + &acpi_gbl_sleep_type_b_s0); + if (ACPI_FAILURE(status)) { + acpi_gbl_sleep_type_a_s0 = ACPI_SLEEP_TYPE_INVALID; + } + /* Execute the _PTS method (Prepare To Sleep) */ arg_list.count = 1; diff --git a/drivers/acpi/acpica/utosi.c b/drivers/acpi/acpica/utosi.c index 7b8e8bf1e824..8afa1ccaf12e 100644 --- a/drivers/acpi/acpica/utosi.c +++ b/drivers/acpi/acpica/utosi.c @@ -73,6 +73,7 @@ static struct acpi_interface_info acpi_default_supported_interfaces[] = { {"Windows 2018", NULL, 0, ACPI_OSI_WIN_10_RS4}, /* Windows 10 version 1803 - Added 11/2018 */ {"Windows 2018.2", NULL, 0, ACPI_OSI_WIN_10_RS5}, /* Windows 10 version 1809 - Added 11/2018 */ {"Windows 2019", NULL, 0, ACPI_OSI_WIN_10_19H1}, /* Windows 10 version 1903 - Added 08/2019 */ + {"Windows 2020", NULL, 0, ACPI_OSI_WIN_10_20H1}, /* Windows 10 version 2004 - Added 08/2021 */ /* Feature Group Strings */ diff --git a/drivers/acpi/apei/einj.c b/drivers/acpi/apei/einj.c index 2882450c443e..edb2622fd35f 100644 --- a/drivers/acpi/apei/einj.c +++ b/drivers/acpi/apei/einj.c @@ -28,9 +28,10 @@ #undef pr_fmt #define pr_fmt(fmt) "EINJ: " fmt -#define SPIN_UNIT 100 /* 100ns */ -/* Firmware should respond within 1 milliseconds */ -#define FIRMWARE_TIMEOUT (1 * NSEC_PER_MSEC) +#define SLEEP_UNIT_MIN 1000 /* 1ms */ +#define SLEEP_UNIT_MAX 5000 /* 5ms */ +/* Firmware should respond within 1 seconds */ +#define FIRMWARE_TIMEOUT (1 * USEC_PER_SEC) #define ACPI5_VENDOR_BIT BIT(31) #define MEM_ERROR_MASK (ACPI_EINJ_MEMORY_CORRECTABLE | \ ACPI_EINJ_MEMORY_UNCORRECTABLE | \ @@ -171,13 +172,13 @@ static int einj_get_available_error_type(u32 *type) static int einj_timedout(u64 *t) { - if ((s64)*t < SPIN_UNIT) { + if ((s64)*t < SLEEP_UNIT_MIN) { pr_warn(FW_WARN "Firmware does not respond in time\n"); return 1; } - *t -= SPIN_UNIT; - ndelay(SPIN_UNIT); - touch_nmi_watchdog(); + *t -= SLEEP_UNIT_MIN; + usleep_range(SLEEP_UNIT_MIN, SLEEP_UNIT_MAX); + return 0; } diff --git a/drivers/acpi/apei/hest.c b/drivers/acpi/apei/hest.c index 277f00b288d1..0edc1ed47673 100644 --- a/drivers/acpi/apei/hest.c +++ b/drivers/acpi/apei/hest.c @@ -86,7 +86,9 @@ static int hest_esrc_len(struct acpi_hest_header *hest_hdr) return len; }; -int apei_hest_parse(apei_hest_func_t func, void *data) +typedef int (*apei_hest_func_t)(struct acpi_hest_header *hest_hdr, void *data); + +static int apei_hest_parse(apei_hest_func_t func, void *data) { struct acpi_hest_header *hest_hdr; int i, rc, len; @@ -121,7 +123,6 @@ int apei_hest_parse(apei_hest_func_t func, void *data) return 0; } -EXPORT_SYMBOL_GPL(apei_hest_parse); /* * Check if firmware advertises firmware first mode. We need FF bit to be set diff --git a/drivers/acpi/battery.c b/drivers/acpi/battery.c index dae91f906cea..8afa85d6eb6a 100644 --- a/drivers/acpi/battery.c +++ b/drivers/acpi/battery.c @@ -169,7 +169,7 @@ static int acpi_battery_is_charged(struct acpi_battery *battery) return 1; /* fallback to using design values for broken batteries */ - if (battery->design_capacity == battery->capacity_now) + if (battery->design_capacity <= battery->capacity_now) return 1; /* we don't do any sort of metric based on percentages */ diff --git a/drivers/acpi/dock.c b/drivers/acpi/dock.c index 7cf92158008f..c8e9b962e18c 100644 --- a/drivers/acpi/dock.c +++ b/drivers/acpi/dock.c @@ -492,7 +492,7 @@ static ssize_t docked_show(struct device *dev, struct acpi_device *adev = NULL; acpi_bus_get_device(dock_station->handle, &adev); - return snprintf(buf, PAGE_SIZE, "%u\n", acpi_device_enumerated(adev)); + return sysfs_emit(buf, "%u\n", acpi_device_enumerated(adev)); } static DEVICE_ATTR_RO(docked); @@ -504,7 +504,7 @@ static ssize_t flags_show(struct device *dev, { struct dock_station *dock_station = dev->platform_data; - return snprintf(buf, PAGE_SIZE, "%d\n", dock_station->flags); + return sysfs_emit(buf, "%d\n", dock_station->flags); } static DEVICE_ATTR_RO(flags); @@ -543,7 +543,7 @@ static ssize_t uid_show(struct device *dev, if (ACPI_FAILURE(status)) return 0; - return snprintf(buf, PAGE_SIZE, "%llx\n", lbuf); + return sysfs_emit(buf, "%llx\n", lbuf); } static DEVICE_ATTR_RO(uid); @@ -562,7 +562,7 @@ static ssize_t type_show(struct device *dev, else type = "unknown"; - return snprintf(buf, PAGE_SIZE, "%s\n", type); + return sysfs_emit(buf, "%s\n", type); } static DEVICE_ATTR_RO(type); diff --git a/drivers/acpi/glue.c b/drivers/acpi/glue.c index 7a33a6d985f8..7cd0009e7ff3 100644 --- a/drivers/acpi/glue.c +++ b/drivers/acpi/glue.c @@ -17,6 +17,8 @@ #include <linux/rwsem.h> #include <linux/acpi.h> #include <linux/dma-mapping.h> +#include <linux/pci.h> +#include <linux/pci-acpi.h> #include <linux/platform_device.h> #include "internal.h" @@ -111,13 +113,10 @@ struct acpi_device *acpi_find_child_device(struct acpi_device *parent, return NULL; list_for_each_entry(adev, &parent->children, node) { - unsigned long long addr; - acpi_status status; + acpi_bus_address addr = acpi_device_adr(adev); int score; - status = acpi_evaluate_integer(adev->handle, METHOD_NAME__ADR, - NULL, &addr); - if (ACPI_FAILURE(status) || addr != address) + if (!adev->pnp.type.bus_address || addr != address) continue; if (!ret) { @@ -287,12 +286,13 @@ EXPORT_SYMBOL_GPL(acpi_unbind_one); void acpi_device_notify(struct device *dev) { - struct acpi_bus_type *type = acpi_get_bus_type(dev); struct acpi_device *adev; int ret; ret = acpi_bind_one(dev, NULL); if (ret) { + struct acpi_bus_type *type = acpi_get_bus_type(dev); + if (!type) goto err; @@ -304,17 +304,26 @@ void acpi_device_notify(struct device *dev) ret = acpi_bind_one(dev, adev); if (ret) goto err; - } - adev = ACPI_COMPANION(dev); - if (dev_is_platform(dev)) - acpi_configure_pmsi_domain(dev); + if (type->setup) { + type->setup(dev); + goto done; + } + } else { + adev = ACPI_COMPANION(dev); + + if (dev_is_pci(dev)) { + pci_acpi_setup(dev, adev); + goto done; + } else if (dev_is_platform(dev)) { + acpi_configure_pmsi_domain(dev); + } + } - if (type && type->setup) - type->setup(dev); - else if (adev->handler && adev->handler->bind) + if (adev->handler && adev->handler->bind) adev->handler->bind(dev); +done: acpi_handle_debug(ACPI_HANDLE(dev), "Bound to device %s\n", dev_name(dev)); @@ -327,16 +336,39 @@ err: void acpi_device_notify_remove(struct device *dev) { struct acpi_device *adev = ACPI_COMPANION(dev); - struct acpi_bus_type *type; if (!adev) return; - type = acpi_get_bus_type(dev); - if (type && type->cleanup) - type->cleanup(dev); + if (dev_is_pci(dev)) + pci_acpi_cleanup(dev, adev); else if (adev->handler && adev->handler->unbind) adev->handler->unbind(dev); acpi_unbind_one(dev); } + +int acpi_dev_turn_off_if_unused(struct device *dev, void *not_used) +{ + struct acpi_device *adev = to_acpi_device(dev); + + /* + * Skip device objects with device IDs, because they may be in use even + * if they are not companions of any physical device objects. + */ + if (adev->pnp.type.hardware_id) + return 0; + + mutex_lock(&adev->physical_node_lock); + + /* + * Device objects without device IDs are not in use if they have no + * corresponding physical device objects. + */ + if (list_empty(&adev->physical_node_list)) + acpi_device_set_power(adev, ACPI_STATE_D3_COLD); + + mutex_unlock(&adev->physical_node_lock); + + return 0; +} diff --git a/drivers/acpi/internal.h b/drivers/acpi/internal.h index d91b560e8867..8fbdc172864b 100644 --- a/drivers/acpi/internal.h +++ b/drivers/acpi/internal.h @@ -117,6 +117,7 @@ bool acpi_device_is_battery(struct acpi_device *adev); bool acpi_device_is_first_physical_node(struct acpi_device *adev, const struct device *dev); int acpi_bus_register_early_device(int type); +int acpi_dev_turn_off_if_unused(struct device *dev, void *not_used); /* -------------------------------------------------------------------------- Device Matching and Notification diff --git a/drivers/acpi/power.c b/drivers/acpi/power.c index f0ed4414edb1..112256154880 100644 --- a/drivers/acpi/power.c +++ b/drivers/acpi/power.c @@ -52,7 +52,6 @@ struct acpi_power_resource { u32 order; unsigned int ref_count; u8 state; - bool wakeup_enabled; struct mutex resource_lock; struct list_head dependents; }; @@ -615,20 +614,19 @@ int acpi_power_wakeup_list_init(struct list_head *list, int *system_level_p) list_for_each_entry(entry, list, node) { struct acpi_power_resource *resource = entry->resource; - int result; u8 state; mutex_lock(&resource->resource_lock); - result = acpi_power_get_state(resource, &state); - if (result) { - mutex_unlock(&resource->resource_lock); - return result; - } - if (state == ACPI_POWER_RESOURCE_STATE_ON) { - resource->ref_count++; - resource->wakeup_enabled = true; - } + /* + * Make sure that the power resource state and its reference + * counter value are consistent with each other. + */ + if (!resource->ref_count && + !acpi_power_get_state(resource, &state) && + state == ACPI_POWER_RESOURCE_STATE_ON) + __acpi_power_off(resource); + if (system_level > resource->system_level) system_level = resource->system_level; @@ -711,7 +709,6 @@ int acpi_device_sleep_wake(struct acpi_device *dev, */ int acpi_enable_wakeup_device_power(struct acpi_device *dev, int sleep_state) { - struct acpi_power_resource_entry *entry; int err = 0; if (!dev || !dev->wakeup.flags.valid) @@ -722,33 +719,22 @@ int acpi_enable_wakeup_device_power(struct acpi_device *dev, int sleep_state) if (dev->wakeup.prepare_count++) goto out; - list_for_each_entry(entry, &dev->wakeup.resources, node) { - struct acpi_power_resource *resource = entry->resource; - - mutex_lock(&resource->resource_lock); - - if (!resource->wakeup_enabled) { - err = acpi_power_on_unlocked(resource); - if (!err) - resource->wakeup_enabled = true; - } - - mutex_unlock(&resource->resource_lock); - - if (err) { - dev_err(&dev->dev, - "Cannot turn wakeup power resources on\n"); - dev->wakeup.flags.valid = 0; - goto out; - } + err = acpi_power_on_list(&dev->wakeup.resources); + if (err) { + dev_err(&dev->dev, "Cannot turn on wakeup power resources\n"); + dev->wakeup.flags.valid = 0; + goto out; } + /* * Passing 3 as the third argument below means the device may be * put into arbitrary power state afterward. */ err = acpi_device_sleep_wake(dev, 1, sleep_state, 3); - if (err) + if (err) { + acpi_power_off_list(&dev->wakeup.resources); dev->wakeup.prepare_count = 0; + } out: mutex_unlock(&acpi_device_lock); @@ -771,39 +757,33 @@ int acpi_disable_wakeup_device_power(struct acpi_device *dev) mutex_lock(&acpi_device_lock); - if (--dev->wakeup.prepare_count > 0) + if (dev->wakeup.prepare_count > 1) { + dev->wakeup.prepare_count--; goto out; + } - /* - * Executing the code below even if prepare_count is already zero when - * the function is called may be useful, for example for initialisation. - */ - if (dev->wakeup.prepare_count < 0) - dev->wakeup.prepare_count = 0; + /* Do nothing if wakeup power has not been enabled for this device. */ + if (!dev->wakeup.prepare_count) + goto out; err = acpi_device_sleep_wake(dev, 0, 0, 0); if (err) goto out; + /* + * All of the power resources in the list need to be turned off even if + * there are errors. + */ list_for_each_entry(entry, &dev->wakeup.resources, node) { - struct acpi_power_resource *resource = entry->resource; - - mutex_lock(&resource->resource_lock); - - if (resource->wakeup_enabled) { - err = acpi_power_off_unlocked(resource); - if (!err) - resource->wakeup_enabled = false; - } - - mutex_unlock(&resource->resource_lock); + int ret; - if (err) { - dev_err(&dev->dev, - "Cannot turn wakeup power resources off\n"); - dev->wakeup.flags.valid = 0; - break; - } + ret = acpi_power_off(entry->resource); + if (ret && !err) + err = ret; + } + if (err) { + dev_err(&dev->dev, "Cannot turn off wakeup power resources\n"); + dev->wakeup.flags.valid = 0; } out: @@ -943,6 +923,7 @@ struct acpi_device *acpi_add_power_resource(acpi_handle handle) union acpi_object acpi_object; struct acpi_buffer buffer = { sizeof(acpi_object), &acpi_object }; acpi_status status; + u8 state_dummy; int result; acpi_bus_get_device(handle, &device); @@ -971,6 +952,10 @@ struct acpi_device *acpi_add_power_resource(acpi_handle handle) resource->order = acpi_object.power_resource.resource_order; resource->state = ACPI_POWER_RESOURCE_STATE_UNKNOWN; + /* Get the initial state or just flip it on if that fails. */ + if (acpi_power_get_state(resource, &state_dummy)) + __acpi_power_on(resource); + pr_info("%s [%s]\n", acpi_device_name(device), acpi_device_bid(device)); device->flags.match_driver = true; diff --git a/drivers/acpi/prmt.c b/drivers/acpi/prmt.c index 89c22bc55057..4d3a219c67f8 100644 --- a/drivers/acpi/prmt.c +++ b/drivers/acpi/prmt.c @@ -49,7 +49,6 @@ struct prm_context_buffer { }; #pragma pack() - static LIST_HEAD(prm_module_list); struct prm_handler_info { @@ -73,7 +72,6 @@ struct prm_module_info { struct prm_handler_info handlers[]; }; - static u64 efi_pa_va_lookup(u64 pa) { efi_memory_desc_t *md; @@ -88,7 +86,6 @@ static u64 efi_pa_va_lookup(u64 pa) return 0; } - #define get_first_handler(a) ((struct acpi_prmt_handler_info *) ((char *) (a) + a->handler_info_offset)) #define get_next_handler(a) ((struct acpi_prmt_handler_info *) (sizeof(struct acpi_prmt_handler_info) + (char *) a)) @@ -99,7 +96,7 @@ acpi_parse_prmt(union acpi_subtable_headers *header, const unsigned long end) struct acpi_prmt_handler_info *handler_info; struct prm_handler_info *th; struct prm_module_info *tm; - u64 mmio_count = 0; + u64 *mmio_count; u64 cur_handler = 0; u32 module_info_size = 0; u64 mmio_range_size = 0; @@ -108,6 +105,8 @@ acpi_parse_prmt(union acpi_subtable_headers *header, const unsigned long end) module_info = (struct acpi_prmt_module_info *) header; module_info_size = struct_size(tm, handlers, module_info->handler_info_count); tm = kmalloc(module_info_size, GFP_KERNEL); + if (!tm) + goto parse_prmt_out1; guid_copy(&tm->guid, (guid_t *) module_info->module_guid); tm->major_rev = module_info->major_rev; @@ -120,14 +119,24 @@ acpi_parse_prmt(union acpi_subtable_headers *header, const unsigned long end) * Each module is associated with a list of addr * ranges that it can use during the service */ - mmio_count = *(u64 *) memremap(module_info->mmio_list_pointer, 8, MEMREMAP_WB); - mmio_range_size = struct_size(tm->mmio_info, addr_ranges, mmio_count); + mmio_count = (u64 *) memremap(module_info->mmio_list_pointer, 8, MEMREMAP_WB); + if (!mmio_count) + goto parse_prmt_out2; + + mmio_range_size = struct_size(tm->mmio_info, addr_ranges, *mmio_count); tm->mmio_info = kmalloc(mmio_range_size, GFP_KERNEL); + if (!tm->mmio_info) + goto parse_prmt_out3; + temp_mmio = memremap(module_info->mmio_list_pointer, mmio_range_size, MEMREMAP_WB); + if (!temp_mmio) + goto parse_prmt_out4; memmove(tm->mmio_info, temp_mmio, mmio_range_size); } else { - mmio_range_size = struct_size(tm->mmio_info, addr_ranges, mmio_count); - tm->mmio_info = kmalloc(mmio_range_size, GFP_KERNEL); + tm->mmio_info = kmalloc(sizeof(*tm->mmio_info), GFP_KERNEL); + if (!tm->mmio_info) + goto parse_prmt_out2; + tm->mmio_info->mmio_count = 0; } @@ -145,6 +154,15 @@ acpi_parse_prmt(union acpi_subtable_headers *header, const unsigned long end) } while (++cur_handler < tm->handler_count && (handler_info = get_next_handler(handler_info))); return 0; + +parse_prmt_out4: + kfree(tm->mmio_info); +parse_prmt_out3: + memunmap(mmio_count); +parse_prmt_out2: + kfree(tm); +parse_prmt_out1: + return -ENOMEM; } #define GET_MODULE 0 @@ -171,7 +189,6 @@ static void *find_guid_info(const guid_t *guid, u8 mode) return NULL; } - static struct prm_module_info *find_prm_module(const guid_t *guid) { return (struct prm_module_info *)find_guid_info(guid, GET_MODULE); diff --git a/drivers/acpi/processor_idle.c b/drivers/acpi/processor_idle.c index f37fba9e5ba0..76ef1bcc8848 100644 --- a/drivers/acpi/processor_idle.c +++ b/drivers/acpi/processor_idle.c @@ -789,7 +789,8 @@ static int acpi_processor_setup_cstates(struct acpi_processor *pr) state->enter = acpi_idle_enter; state->flags = 0; - if (cx->type == ACPI_STATE_C1 || cx->type == ACPI_STATE_C2) { + if (cx->type == ACPI_STATE_C1 || cx->type == ACPI_STATE_C2 || + cx->type == ACPI_STATE_C3) { state->enter_dead = acpi_idle_play_dead; drv->safe_state_index = count; } diff --git a/drivers/acpi/resource.c b/drivers/acpi/resource.c index ee78a210c606..3c25ce8c95ba 100644 --- a/drivers/acpi/resource.c +++ b/drivers/acpi/resource.c @@ -16,6 +16,7 @@ #include <linux/ioport.h> #include <linux/slab.h> #include <linux/irq.h> +#include <linux/dmi.h> #ifdef CONFIG_X86 #define valid_IRQ(i) (((i) != 0) && ((i) != 2)) @@ -380,9 +381,58 @@ unsigned int acpi_dev_get_irq_type(int triggering, int polarity) } EXPORT_SYMBOL_GPL(acpi_dev_get_irq_type); +static const struct dmi_system_id medion_laptop[] = { + { + .ident = "MEDION P15651", + .matches = { + DMI_MATCH(DMI_SYS_VENDOR, "MEDION"), + DMI_MATCH(DMI_BOARD_NAME, "M15T"), + }, + }, + { + .ident = "MEDION S17405", + .matches = { + DMI_MATCH(DMI_SYS_VENDOR, "MEDION"), + DMI_MATCH(DMI_BOARD_NAME, "M17T"), + }, + }, + { } +}; + +struct irq_override_cmp { + const struct dmi_system_id *system; + unsigned char irq; + unsigned char triggering; + unsigned char polarity; + unsigned char shareable; +}; + +static const struct irq_override_cmp skip_override_table[] = { + { medion_laptop, 1, ACPI_LEVEL_SENSITIVE, ACPI_ACTIVE_LOW, 0 }, +}; + +static bool acpi_dev_irq_override(u32 gsi, u8 triggering, u8 polarity, + u8 shareable) +{ + int i; + + for (i = 0; i < ARRAY_SIZE(skip_override_table); i++) { + const struct irq_override_cmp *entry = &skip_override_table[i]; + + if (dmi_check_system(entry->system) && + entry->irq == gsi && + entry->triggering == triggering && + entry->polarity == polarity && + entry->shareable == shareable) + return false; + } + + return true; +} + static void acpi_dev_get_irqresource(struct resource *res, u32 gsi, u8 triggering, u8 polarity, u8 shareable, - bool legacy) + bool check_override) { int irq, p, t; @@ -401,7 +451,9 @@ static void acpi_dev_get_irqresource(struct resource *res, u32 gsi, * using extended IRQ descriptors we take the IRQ configuration * from _CRS directly. */ - if (legacy && !acpi_get_override_irq(gsi, &t, &p)) { + if (check_override && + acpi_dev_irq_override(gsi, triggering, polarity, shareable) && + !acpi_get_override_irq(gsi, &t, &p)) { u8 trig = t ? ACPI_LEVEL_SENSITIVE : ACPI_EDGE_SENSITIVE; u8 pol = p ? ACPI_ACTIVE_LOW : ACPI_ACTIVE_HIGH; diff --git a/drivers/acpi/scan.c b/drivers/acpi/scan.c index f456ba7c1060..dce2c291b982 100644 --- a/drivers/acpi/scan.c +++ b/drivers/acpi/scan.c @@ -2560,6 +2560,12 @@ int __init acpi_scan_init(void) } } + /* + * Make sure that power management resources are not blocked by ACPI + * device objects with no users. + */ + bus_for_each_dev(&acpi_bus_type, NULL, NULL, acpi_dev_turn_off_if_unused); + acpi_turn_off_unused_power_resources(); acpi_scan_initialized = true; diff --git a/drivers/acpi/sleep.c b/drivers/acpi/sleep.c index 3023224515ab..eaa47753b758 100644 --- a/drivers/acpi/sleep.c +++ b/drivers/acpi/sleep.c @@ -815,14 +815,18 @@ void __weak acpi_s2idle_setup(void) static void acpi_sleep_suspend_setup(void) { + bool suspend_ops_needed = false; int i; for (i = ACPI_STATE_S1; i < ACPI_STATE_S4; i++) - if (acpi_sleep_state_supported(i)) + if (acpi_sleep_state_supported(i)) { sleep_states[i] = 1; + suspend_ops_needed = true; + } - suspend_set_ops(old_suspend_ordering ? - &acpi_suspend_ops_old : &acpi_suspend_ops); + if (suspend_ops_needed) + suspend_set_ops(old_suspend_ordering ? + &acpi_suspend_ops_old : &acpi_suspend_ops); acpi_s2idle_setup(); } diff --git a/drivers/gpio/gpio-amdpt.c b/drivers/gpio/gpio-amdpt.c index 44398992ae15..bbf53e289141 100644 --- a/drivers/gpio/gpio-amdpt.c +++ b/drivers/gpio/gpio-amdpt.c @@ -72,12 +72,10 @@ static void pt_gpio_free(struct gpio_chip *gc, unsigned offset) static int pt_gpio_probe(struct platform_device *pdev) { struct device *dev = &pdev->dev; - struct acpi_device *acpi_dev; - acpi_handle handle = ACPI_HANDLE(dev); struct pt_gpio_chip *pt_gpio; int ret = 0; - if (acpi_bus_get_device(handle, &acpi_dev)) { + if (!ACPI_COMPANION(dev)) { dev_err(dev, "PT GPIO device node not found\n"); return -ENODEV; } diff --git a/drivers/gpu/drm/nouveau/nouveau_acpi.c b/drivers/gpu/drm/nouveau/nouveau_acpi.c index 7c15f6448428..6140db756d06 100644 --- a/drivers/gpu/drm/nouveau/nouveau_acpi.c +++ b/drivers/gpu/drm/nouveau/nouveau_acpi.c @@ -364,7 +364,6 @@ void * nouveau_acpi_edid(struct drm_device *dev, struct drm_connector *connector) { struct acpi_device *acpidev; - acpi_handle handle; int type, ret; void *edid; @@ -377,12 +376,8 @@ nouveau_acpi_edid(struct drm_device *dev, struct drm_connector *connector) return NULL; } - handle = ACPI_HANDLE(dev->dev); - if (!handle) - return NULL; - - ret = acpi_bus_get_device(handle, &acpidev); - if (ret) + acpidev = ACPI_COMPANION(dev->dev); + if (!acpidev) return NULL; ret = acpi_video_get_edid(acpidev, type, -1, &edid); diff --git a/drivers/pci/pci-acpi.c b/drivers/pci/pci-acpi.c index 260a06fb78a6..b00d80370379 100644 --- a/drivers/pci/pci-acpi.c +++ b/drivers/pci/pci-acpi.c @@ -1356,13 +1356,9 @@ static void pci_acpi_set_external_facing(struct pci_dev *dev) dev->external_facing = 1; } -static void pci_acpi_setup(struct device *dev) +void pci_acpi_setup(struct device *dev, struct acpi_device *adev) { struct pci_dev *pci_dev = to_pci_dev(dev); - struct acpi_device *adev = ACPI_COMPANION(dev); - - if (!adev) - return; pci_acpi_optimize_delay(pci_dev, adev->handle); pci_acpi_set_external_facing(pci_dev); @@ -1386,14 +1382,10 @@ static void pci_acpi_setup(struct device *dev) acpi_device_power_add_dependent(adev, dev); } -static void pci_acpi_cleanup(struct device *dev) +void pci_acpi_cleanup(struct device *dev, struct acpi_device *adev) { - struct acpi_device *adev = ACPI_COMPANION(dev); struct pci_dev *pci_dev = to_pci_dev(dev); - if (!adev) - return; - pci_acpi_remove_edr_notifier(pci_dev); pci_acpi_remove_pm_notifier(adev); if (adev->wakeup.flags.valid) { @@ -1405,20 +1397,6 @@ static void pci_acpi_cleanup(struct device *dev) } } -static bool pci_acpi_bus_match(struct device *dev) -{ - return dev_is_pci(dev); -} - -static struct acpi_bus_type acpi_pci_bus = { - .name = "PCI", - .match = pci_acpi_bus_match, - .find_companion = acpi_pci_find_companion, - .setup = pci_acpi_setup, - .cleanup = pci_acpi_cleanup, -}; - - static struct fwnode_handle *(*pci_msi_get_fwnode_cb)(struct device *dev); /** @@ -1460,8 +1438,6 @@ struct irq_domain *pci_host_bridge_acpi_msi_domain(struct pci_bus *bus) static int __init acpi_pci_init(void) { - int ret; - if (acpi_gbl_FADT.boot_flags & ACPI_FADT_NO_MSI) { pr_info("ACPI FADT declares the system doesn't support MSI, so disable it\n"); pci_no_msi(); @@ -1472,8 +1448,7 @@ static int __init acpi_pci_init(void) pcie_no_aspm(); } - ret = register_acpi_bus_type(&acpi_pci_bus); - if (ret) + if (acpi_pci_disabled) return 0; pci_set_platform_pm(&acpi_pci_platform_pm); diff --git a/drivers/perf/qcom_l2_pmu.c b/drivers/perf/qcom_l2_pmu.c index 5b093badd0f6..7640491aab12 100644 --- a/drivers/perf/qcom_l2_pmu.c +++ b/drivers/perf/qcom_l2_pmu.c @@ -840,17 +840,14 @@ static int l2_cache_pmu_probe_cluster(struct device *dev, void *data) { struct platform_device *pdev = to_platform_device(dev->parent); struct platform_device *sdev = to_platform_device(dev); + struct acpi_device *adev = ACPI_COMPANION(dev); struct l2cache_pmu *l2cache_pmu = data; struct cluster_pmu *cluster; - struct acpi_device *device; unsigned long fw_cluster_id; int err; int irq; - if (acpi_bus_get_device(ACPI_HANDLE(dev), &device)) - return -ENODEV; - - if (kstrtoul(device->pnp.unique_id, 10, &fw_cluster_id) < 0) { + if (!adev || kstrtoul(adev->pnp.unique_id, 10, &fw_cluster_id) < 0) { dev_err(&pdev->dev, "unable to read ACPI uid\n"); return -ENODEV; } diff --git a/include/acpi/acpi_bus.h b/include/acpi/acpi_bus.h index 13d93371790e..53b6e9f9de7b 100644 --- a/include/acpi/acpi_bus.h +++ b/include/acpi/acpi_bus.h @@ -570,7 +570,6 @@ struct acpi_bus_type { bool (*match)(struct device *dev); struct acpi_device * (*find_companion)(struct device *); void (*setup)(struct device *); - void (*cleanup)(struct device *); }; int register_acpi_bus_type(struct acpi_bus_type *); int unregister_acpi_bus_type(struct acpi_bus_type *); diff --git a/include/acpi/acpixf.h b/include/acpi/acpixf.h index fa02e3ff0faf..73ba13914321 100644 --- a/include/acpi/acpixf.h +++ b/include/acpi/acpixf.h @@ -12,7 +12,7 @@ /* Current ACPICA subsystem version in YYYYMMDD format */ -#define ACPI_CA_VERSION 0x20210730 +#define ACPI_CA_VERSION 0x20210930 #include <acpi/acconfig.h> #include <acpi/actypes.h> diff --git a/include/acpi/actbl2.h b/include/acpi/actbl2.h index a47b32a5cbde..71ca090fd61b 100644 --- a/include/acpi/actbl2.h +++ b/include/acpi/actbl2.h @@ -35,6 +35,7 @@ #define ACPI_SIG_MSCT "MSCT" /* Maximum System Characteristics Table */ #define ACPI_SIG_MSDM "MSDM" /* Microsoft Data Management Table */ #define ACPI_SIG_NFIT "NFIT" /* NVDIMM Firmware Interface Table */ +#define ACPI_SIG_NHLT "NHLT" /* Non HD Audio Link Table */ #define ACPI_SIG_PCCT "PCCT" /* Platform Communications Channel Table */ #define ACPI_SIG_PDTT "PDTT" /* Platform Debug Trigger Table */ #define ACPI_SIG_PHAT "PHAT" /* Platform Health Assessment Table */ @@ -46,7 +47,6 @@ #define ACPI_SIG_SBST "SBST" /* Smart Battery Specification Table */ #define ACPI_SIG_SDEI "SDEI" /* Software Delegated Exception Interface Table */ #define ACPI_SIG_SDEV "SDEV" /* Secure Devices table */ -#define ACPI_SIG_NHLT "NHLT" /* Non-HDAudio Link Table */ #define ACPI_SIG_SVKL "SVKL" /* Storage Volume Key Location Table */ /* @@ -978,6 +978,7 @@ struct acpi_madt_multiproc_wakeup_mailbox { /* MADT Local APIC flags */ #define ACPI_MADT_ENABLED (1) /* 00: Processor is usable if set */ +#define ACPI_MADT_ONLINE_CAPABLE (2) /* 01: System HW supports enabling processor at runtime */ /* MADT MPS INTI flags (inti_flags) */ @@ -1411,6 +1412,254 @@ struct nfit_device_handle { /******************************************************************************* * + * NHLT - Non HD Audio Link Table + * + * Conforms to: Intel Smart Sound Technology NHLT Specification + * Version 0.8.1, January 2020. + * + ******************************************************************************/ + +/* Main table */ + +struct acpi_table_nhlt { + struct acpi_table_header header; /* Common ACPI table header */ + u8 endpoint_count; +}; + +struct acpi_nhlt_endpoint { + u32 descriptor_length; + u8 link_type; + u8 instance_id; + u16 vendor_id; + u16 device_id; + u16 revision_id; + u32 subsystem_id; + u8 device_type; + u8 direction; + u8 virtual_bus_id; +}; + +/* Types for link_type field above */ + +#define ACPI_NHLT_RESERVED_HD_AUDIO 0 +#define ACPI_NHLT_RESERVED_DSP 1 +#define ACPI_NHLT_PDM 2 +#define ACPI_NHLT_SSP 3 +#define ACPI_NHLT_RESERVED_SLIMBUS 4 +#define ACPI_NHLT_RESERVED_SOUNDWIRE 5 +#define ACPI_NHLT_TYPE_RESERVED 6 /* 6 and above are reserved */ + +/* All other values above are reserved */ + +/* Values for device_id field above */ + +#define ACPI_NHLT_PDM_DMIC 0xAE20 +#define ACPI_NHLT_BT_SIDEBAND 0xAE30 +#define ACPI_NHLT_I2S_TDM_CODECS 0xAE23 + +/* Values for device_type field above */ + +/* SSP Link */ + +#define ACPI_NHLT_LINK_BT_SIDEBAND 0 +#define ACPI_NHLT_LINK_FM 1 +#define ACPI_NHLT_LINK_MODEM 2 +/* 3 is reserved */ +#define ACPI_NHLT_LINK_SSP_ANALOG_CODEC 4 + +/* PDM Link */ + +#define ACPI_NHLT_PDM_ON_CAVS_1P8 0 +#define ACPI_NHLT_PDM_ON_CAVS_1P5 1 + +/* Values for Direction field above */ + +#define ACPI_NHLT_DIR_RENDER 0 +#define ACPI_NHLT_DIR_CAPTURE 1 +#define ACPI_NHLT_DIR_RENDER_LOOPBACK 2 +#define ACPI_NHLT_DIR_RENDER_FEEDBACK 3 +#define ACPI_NHLT_DIR_RESERVED 4 /* 4 and above are reserved */ + +struct acpi_nhlt_device_specific_config { + u32 capabilities_size; + u8 virtual_slot; + u8 config_type; +}; + +struct acpi_nhlt_device_specific_config_a { + u32 capabilities_size; + u8 virtual_slot; + u8 config_type; + u8 array_type; +}; + +/* Values for Config Type above */ + +#define ACPI_NHLT_TYPE_MIC_ARRAY 0x01 +#define ACPI_NHLT_TYPE_GENERIC 0x00 + +/* Mask for Extension field of array_type */ + +#define ACPI_NHLT_ARRAY_TYPE_MASK 0x10 + +struct acpi_nhlt_device_specific_config_b { + u32 capabilities_size; +}; + +struct acpi_nhlt_device_specific_config_c { + u32 capabilities_size; + u8 virtual_slot; +}; + +struct acpi_nhlt_wave_extensible { + u16 format_tag; + u16 channel_count; + u32 samples_per_sec; + u32 avg_bytes_per_sec; + u16 block_align; + u16 bits_per_sample; + u16 extra_format_size; + u16 valid_bits_per_sample; + u32 channel_mask; + u8 sub_format_guid[16]; +}; + +/* Values for channel_mask above */ + +#define ACPI_NHLT_SPKR_FRONT_LEFT 0x1 +#define ACPI_NHLT_SPKR_FRONT_RIGHT 0x2 +#define ACPI_NHLT_SPKR_FRONT_CENTER 0x4 +#define ACPI_NHLT_SPKR_LOW_FREQ 0x8 +#define ACPI_NHLT_SPKR_BACK_LEFT 0x10 +#define ACPI_NHLT_SPKR_BACK_RIGHT 0x20 +#define ACPI_NHLT_SPKR_FRONT_LEFT_OF_CENTER 0x40 +#define ACPI_NHLT_SPKR_FRONT_RIGHT_OF_CENTER 0x80 +#define ACPI_NHLT_SPKR_BACK_CENTER 0x100 +#define ACPI_NHLT_SPKR_SIDE_LEFT 0x200 +#define ACPI_NHLT_SPKR_SIDE_RIGHT 0x400 +#define ACPI_NHLT_SPKR_TOP_CENTER 0x800 +#define ACPI_NHLT_SPKR_TOP_FRONT_LEFT 0x1000 +#define ACPI_NHLT_SPKR_TOP_FRONT_CENTER 0x2000 +#define ACPI_NHLT_SPKR_TOP_FRONT_RIGHT 0x4000 +#define ACPI_NHLT_SPKR_TOP_BACK_LEFT 0x8000 +#define ACPI_NHLT_SPKR_TOP_BACK_CENTER 0x10000 +#define ACPI_NHLT_SPKR_TOP_BACK_RIGHT 0x20000 + +struct acpi_nhlt_format_config { + struct acpi_nhlt_wave_extensible format; + u32 capability_size; + u8 capabilities[]; +}; + +struct acpi_nhlt_formats_config { + u8 formats_count; +}; + +struct acpi_nhlt_device_specific_hdr { + u8 virtual_slot; + u8 config_type; +}; + +/* Types for config_type above */ + +#define ACPI_NHLT_GENERIC 0 +#define ACPI_NHLT_MIC 1 +#define ACPI_NHLT_RENDER 3 + +struct acpi_nhlt_mic_device_specific_config { + struct acpi_nhlt_device_specific_hdr device_config; + u8 array_type_ext; +}; + +/* Values for array_type_ext above */ + +#define SMALL_LINEAR_2ELEMENT 0x0A +#define BIG_LINEAR_2ELEMENT 0x0B +#define FIRST_GEOMETRY_LINEAR_4ELEMENT 0x0C +#define PLANAR_LSHAPED_4ELEMENT 0x0D +#define SECOND_GEOMETRY_LINEAR_4ELEMENT 0x0E +#define VENDOR_DEFINED 0x0F +#define ARRAY_TYPE_MASK 0x0F +#define ARRAY_TYPE_EXT_MASK 0x10 + +#define NO_EXTENSION 0x0 +#define MIC_SNR_SENSITIVITY_EXT 0x1 + +struct acpi_nhlt_vendor_mic_config { + u8 type; + u8 panel; + u16 speaker_position_distance; // mm + u16 horizontal_offset; // mm + u16 vertical_offset; // mm + u8 frequency_low_band; // 5*hz + u8 frequency_high_band; // 500*hz + u16 direction_angle; // -180 - + 180 + u16 elevation_angle; // -180 - + 180 + u16 work_vertical_angle_begin; // -180 - + 180 with 2 deg step + u16 work_vertical_angle_end; // -180 - + 180 with 2 deg step + u16 work_horizontal_angle_begin; // -180 - + 180 with 2 deg step + u16 work_horizontal_angle_end; // -180 - + 180 with 2 deg step +}; + +/* Values for Type field above */ + +#define MIC_OMNIDIRECTIONAL 0 +#define MIC_SUBCARDIOID 1 +#define MIC_CARDIOID 2 +#define MIC_SUPER_CARDIOID 3 +#define MIC_HYPER_CARDIOID 4 +#define MIC_8_SHAPED 5 +#define MIC_VENDOR_DEFINED 7 + +/* Values for Panel field above */ + +#define MIC_TOP 0 +#define MIC_BOTTOM 1 +#define MIC_LEFT 2 +#define MIC_RIGHT 3 +#define MIC_FRONT 4 +#define MIC_REAR 5 + +struct acpi_nhlt_vendor_mic_device_specific_config { + struct acpi_nhlt_mic_device_specific_config mic_array_device_config; + u8 number_of_microphones; + struct acpi_nhlt_vendor_mic_config mic_config[]; // indexed by number_of_microphones +}; + +/* Microphone SNR and Sensitivity extension */ + +struct acpi_nhlt_mic_snr_sensitivity_extension { + u32 SNR; + u32 sensitivity; +}; + +struct acpi_nhlt_render_feedback_device_specific_config { + struct acpi_nhlt_device_specific_config device_config; + u8 feedback_virtual_slot; // render slot in case of capture + u16 feedback_channels; // informative only + u16 feedback_valid_bits_per_sample; +}; + +/* Linux-specific structures */ + +struct acpi_nhlt_linux_specific_count { + u8 structure_count; +}; + +struct acpi_nhlt_linux_specific_data { + u8 device_id[16]; + u8 device_instance_id; + u8 device_port_id; + u8 filler[18]; +}; + +struct acpi_nhlt_table_terminator { + u32 terminator_value; + u32 terminator_signature; +}; + +/******************************************************************************* + * * PCCT - Platform Communications Channel Table (ACPI 5.0) * Version 2 (ACPI 6.2) * diff --git a/include/acpi/actbl3.h b/include/acpi/actbl3.h index 9125e2f16329..edbf1ad8206d 100644 --- a/include/acpi/actbl3.h +++ b/include/acpi/actbl3.h @@ -191,7 +191,8 @@ enum acpi_srat_type { ACPI_SRAT_TYPE_GICC_AFFINITY = 3, ACPI_SRAT_TYPE_GIC_ITS_AFFINITY = 4, /* ACPI 6.2 */ ACPI_SRAT_TYPE_GENERIC_AFFINITY = 5, /* ACPI 6.3 */ - ACPI_SRAT_TYPE_RESERVED = 6 /* 5 and greater are reserved */ + ACPI_SRAT_TYPE_GENERIC_PORT_AFFINITY = 6, /* ACPI 6.4 */ + ACPI_SRAT_TYPE_RESERVED = 7 /* 7 and greater are reserved */ }; /* @@ -272,7 +273,11 @@ struct acpi_srat_gic_its_affinity { u32 its_id; }; -/* 5: Generic Initiator Affinity Structure (ACPI 6.3) */ +/* + * Common structure for SRAT subtable types: + * 5: ACPI_SRAT_TYPE_GENERIC_AFFINITY + * 6: ACPI_SRAT_TYPE_GENERIC_PORT_AFFINITY + */ struct acpi_srat_generic_affinity { struct acpi_subtable_header header; diff --git a/include/acpi/actypes.h b/include/acpi/actypes.h index 92c71dfce0d5..ff8b3c913f21 100644 --- a/include/acpi/actypes.h +++ b/include/acpi/actypes.h @@ -1281,6 +1281,7 @@ typedef enum { #define ACPI_OSI_WIN_10_RS4 0x12 #define ACPI_OSI_WIN_10_RS5 0x13 #define ACPI_OSI_WIN_10_19H1 0x14 +#define ACPI_OSI_WIN_10_20H1 0x15 /* Definitions of getopt */ diff --git a/include/acpi/apei.h b/include/acpi/apei.h index 680f80960c3d..ece0a8af2bae 100644 --- a/include/acpi/apei.h +++ b/include/acpi/apei.h @@ -37,9 +37,6 @@ void __init acpi_hest_init(void); static inline void acpi_hest_init(void) { return; } #endif -typedef int (*apei_hest_func_t)(struct acpi_hest_header *hest_hdr, void *data); -int apei_hest_parse(apei_hest_func_t func, void *data); - int erst_write(const struct cper_record_header *record); ssize_t erst_get_record_count(void); int erst_get_record_id_begin(int *pos); diff --git a/include/linux/pci-acpi.h b/include/linux/pci-acpi.h index f16de399d2de..078225b514d4 100644 --- a/include/linux/pci-acpi.h +++ b/include/linux/pci-acpi.h @@ -84,6 +84,14 @@ extern struct pci_bus *acpi_pci_root_create(struct acpi_pci_root *root, void acpi_pci_add_bus(struct pci_bus *bus); void acpi_pci_remove_bus(struct pci_bus *bus); +#ifdef CONFIG_PCI +void pci_acpi_setup(struct device *dev, struct acpi_device *adev); +void pci_acpi_cleanup(struct device *dev, struct acpi_device *adev); +#else +static inline void pci_acpi_setup(struct device *dev, struct acpi_device *adev) {} +static inline void pci_acpi_cleanup(struct device *dev, struct acpi_device *adev) {} +#endif + #ifdef CONFIG_ACPI_PCI_SLOT void acpi_pci_slot_init(void); void acpi_pci_slot_enumerate(struct pci_bus *bus); |