static int acpi_battery_add(struct acpi_device *device) { int result = 0; acpi_status status = 0; struct acpi_battery *battery = NULL; if (!device) return -EINVAL; battery = kmalloc(sizeof(struct acpi_battery), GFP_KERNEL); if (!battery) return -ENOMEM; memset(battery, 0, sizeof(struct acpi_battery)); battery->device = device; strcpy(acpi_device_name(device), ACPI_BATTERY_DEVICE_NAME); strcpy(acpi_device_class(device), ACPI_BATTERY_CLASS); acpi_driver_data(device) = battery; result = acpi_battery_check(battery); if (result) goto end; result = acpi_battery_add_fs(device); if (result) goto end; status = acpi_install_notify_handler(device->handle, ACPI_ALL_NOTIFY, acpi_battery_notify, battery); if (ACPI_FAILURE(status)) { result = -ENODEV; goto end; } printk(KERN_INFO PREFIX "%s Slot [%s] (battery %s)\n", ACPI_BATTERY_DEVICE_NAME, acpi_device_bid(device), device->status.battery_present ? "present" : "absent"); end: if (result) { acpi_battery_remove_fs(device); kfree(battery); } return result; }
static int acpi_fan_add(struct acpi_device *device) { int result = 0; struct thermal_cooling_device *cdev; if (!device) return -EINVAL; strcpy(acpi_device_name(device), "Fan"); strcpy(acpi_device_class(device), ACPI_FAN_CLASS); result = acpi_bus_update_power(device->handle, NULL); if (result) { printk(KERN_ERR PREFIX "Setting initial power state\n"); goto end; } cdev = thermal_cooling_device_register("Fan", device, &fan_cooling_ops); if (IS_ERR(cdev)) { result = PTR_ERR(cdev); goto end; } dev_dbg(&device->dev, "registered as cooling_device%d\n", cdev->id); device->driver_data = cdev; result = sysfs_create_link(&device->dev.kobj, &cdev->device.kobj, "thermal_cooling"); if (result) dev_err(&device->dev, "Failed to create sysfs link " "'thermal_cooling'\n"); result = sysfs_create_link(&cdev->device.kobj, &device->dev.kobj, "device"); if (result) dev_err(&device->dev, "Failed to create sysfs link " "'device'\n"); printk(KERN_INFO PREFIX "%s [%s] (%s)\n", acpi_device_name(device), acpi_device_bid(device), !device->power.state ? "on" : "off"); end: return result; }
static int xo15_sci_add(struct acpi_device *device) { unsigned long long tmp; acpi_status status; int r; if (!device) return -EINVAL; strcpy(acpi_device_name(device), XO15_SCI_DEVICE_NAME); strcpy(acpi_device_class(device), XO15_SCI_CLASS); /* Get GPE bit assignment (EC events). */ status = acpi_evaluate_integer(device->handle, "_GPE", NULL, &tmp); if (ACPI_FAILURE(status)) return -EINVAL; xo15_sci_gpe = tmp; status = acpi_install_gpe_handler(NULL, xo15_sci_gpe, ACPI_GPE_EDGE_TRIGGERED, xo15_sci_gpe_handler, device); if (ACPI_FAILURE(status)) return -ENODEV; dev_info(&device->dev, "Initialized, GPE = 0x%lx\n", xo15_sci_gpe); r = sysfs_create_file(&device->dev.kobj, &lid_wake_on_close_attr.attr); if (r) goto err_sysfs; /* Flush queue, and enable all SCI events */ process_sci_queue(); olpc_ec_mask_write(EC_SCI_SRC_ALL); acpi_enable_gpe(NULL, xo15_sci_gpe); /* Enable wake-on-EC */ if (device->wakeup.flags.valid) device_init_wakeup(&device->dev, true); return 0; err_sysfs: acpi_remove_gpe_handler(NULL, xo15_sci_gpe, xo15_sci_gpe_handler); cancel_work_sync(&sci_work); return r; }
static int acpi_power_meter_add(struct acpi_device *device) { int res; struct acpi_power_meter_resource *resource; if (!device) return -EINVAL; resource = kzalloc(sizeof(struct acpi_power_meter_resource), GFP_KERNEL); if (!resource) return -ENOMEM; resource->sensors_valid = 0; resource->acpi_dev = device; mutex_init(&resource->lock); strcpy(acpi_device_name(device), ACPI_POWER_METER_DEVICE_NAME); strcpy(acpi_device_class(device), ACPI_POWER_METER_CLASS); device->driver_data = resource; free_capabilities(resource); res = read_capabilities(resource); if (res) goto exit_free; resource->trip[0] = resource->trip[1] = -1; res = setup_attrs(resource); if (res) goto exit_free; resource->hwmon_dev = hwmon_device_register(&device->dev); if (IS_ERR(resource->hwmon_dev)) { res = PTR_ERR(resource->hwmon_dev); goto exit_remove; } res = 0; goto exit; exit_remove: remove_attrs(resource); exit_free: kfree(resource); exit: return res; }
int acpi_fan_add ( struct acpi_device *device) { int result = 0; struct acpi_fan *fan = NULL; int state = 0; ACPI_FUNCTION_TRACE("acpi_fan_add"); if (!device) return_VALUE(-EINVAL); fan = kmalloc(sizeof(struct acpi_fan), GFP_KERNEL); if (!fan) return_VALUE(-ENOMEM); memset(fan, 0, sizeof(struct acpi_fan)); fan->handle = device->handle; sprintf(acpi_device_name(device), "%s", ACPI_FAN_DEVICE_NAME); sprintf(acpi_device_class(device), "%s", ACPI_FAN_CLASS); acpi_driver_data(device) = fan; result = acpi_bus_get_power(fan->handle, &state); if (result) { ACPI_DEBUG_PRINT((ACPI_DB_ERROR, "Error reading power state\n")); goto end; } result = acpi_fan_add_fs(device); if (result) goto end; printk(KERN_INFO PREFIX "%s [%s] (%s)\n", acpi_device_name(device), acpi_device_bid(device), !device->power.state?"on":"off"); end: if (result) kfree(fan); return_VALUE(result); }
static int acpi_processor_add(struct acpi_device *device) { struct acpi_processor *pr = NULL; if (!device) return -EINVAL; pr = kzalloc(sizeof(struct acpi_processor), GFP_KERNEL); if (!pr) return -ENOMEM; pr->handle = device->handle; strcpy(acpi_device_name(device), ACPI_PROCESSOR_DEVICE_NAME); strcpy(acpi_device_class(device), ACPI_PROCESSOR_CLASS); acpi_driver_data(device) = pr; return 0; }
static int acpi_thermal_add(struct acpi_device *device) { int result = 0; struct acpi_thermal *tz = NULL; if (!device) return -EINVAL; tz = kzalloc(sizeof(struct acpi_thermal), GFP_KERNEL); if (!tz) return -ENOMEM; tz->device = device; strcpy(tz->name, device->pnp.bus_id); strcpy(acpi_device_name(device), ACPI_THERMAL_DEVICE_NAME); strcpy(acpi_device_class(device), ACPI_THERMAL_CLASS); device->driver_data = tz; mutex_init(&tz->lock); result = acpi_thermal_get_info(tz); if (result) goto free_memory; acpi_thermal_guess_offset(tz); result = acpi_thermal_register_thermal_zone(tz); if (result) goto free_memory; printk(KERN_INFO PREFIX "%s [%s] (%ld C)\n", acpi_device_name(device), acpi_device_bid(device), KELVIN_TO_CELSIUS(tz->temperature)); goto end; free_memory: kfree(tz); end: return result; }
static int acpi_processor_add(struct acpi_device *device) { struct acpi_processor *pr = NULL; ACPI_FUNCTION_TRACE("acpi_processor_add"); if (!device) return_VALUE(-EINVAL); pr = kmalloc(sizeof(struct acpi_processor), GFP_KERNEL); if (!pr) return_VALUE(-ENOMEM); memset(pr, 0, sizeof(struct acpi_processor)); pr->handle = device->handle; strcpy(acpi_device_name(device), ACPI_PROCESSOR_DEVICE_NAME); strcpy(acpi_device_class(device), ACPI_PROCESSOR_CLASS); acpi_driver_data(device) = pr; return_VALUE(0); }
static int acpi_container_add(struct acpi_device *device) { struct acpi_container *container; if (!device) { printk(KERN_ERR PREFIX "device is NULL\n"); return -EINVAL; } container = kzalloc(sizeof(struct acpi_container), GFP_KERNEL); if (!container) return -ENOMEM; container->handle = device->handle; strcpy(acpi_device_name(device), ACPI_CONTAINER_DEVICE_NAME); strcpy(acpi_device_class(device), ACPI_CONTAINER_CLASS); device->driver_data = container; ACPI_DEBUG_PRINT((ACPI_DB_INFO, "Device <%s> bid <%s>\n", acpi_device_name(device), acpi_device_bid(device))); return 0; }
static int __cpuinit xen_acpi_processor_add(struct acpi_device *device) { int ret; struct acpi_processor *pr; if (!device) return -EINVAL; pr = kzalloc(sizeof(struct acpi_processor), GFP_KERNEL); if (!pr) return -ENOMEM; pr->handle = device->handle; strcpy(acpi_device_name(device), ACPI_PROCESSOR_DEVICE_NAME); strcpy(acpi_device_class(device), ACPI_PROCESSOR_CLASS); device->driver_data = pr; ret = xen_acpi_processor_enable(device); if (ret) pr_err(PREFIX "Error when enabling Xen processor\n"); return ret; }
static int acpi_processor_add(struct acpi_device *device) { struct acpi_processor *pr = NULL; if (!device) return -EINVAL; pr = kzalloc(sizeof(struct acpi_processor), GFP_KERNEL); if (!pr) return -ENOMEM; if (!zalloc_cpumask_var(&pr->throttling.shared_cpu_map, GFP_KERNEL)) { kfree(pr); return -ENOMEM; } pr->handle = device->handle; strcpy(acpi_device_name(device), ACPI_PROCESSOR_DEVICE_NAME); strcpy(acpi_device_class(device), ACPI_PROCESSOR_CLASS); device->driver_data = pr; return 0; }
static int acpi_processor_start(struct acpi_device *device) { int result = 0; acpi_status status = AE_OK; struct acpi_processor *pr; processor_extcntl_init(); pr = acpi_driver_data(device); result = acpi_processor_get_info(pr); if (result || ((pr->id == -1) && !processor_cntl_external())) { /* Processor is physically not present */ return 0; } BUG_ON(!processor_cntl_external() && ((pr->id >= NR_CPUS) || (pr->id < 0))); /* * Buggy BIOS check * ACPI id of processors can be reported wrongly by the BIOS. * Don't trust it blindly */ #ifdef CONFIG_XEN BUG_ON(pr->acpi_id >= NR_ACPI_CPUS); if (processor_device_array[pr->acpi_id] != NULL && processor_device_array[pr->acpi_id] != (void *)device) { #else if (processor_device_array[pr->id] != NULL && processor_device_array[pr->id] != (void *)device) { #endif /* CONFIG_XEN */ printk(KERN_WARNING "BIOS reported wrong ACPI id" "for the processor\n"); return -ENODEV; } #ifdef CONFIG_XEN processor_device_array[pr->acpi_id] = (void *)device; if (pr->id != -1) processors[pr->id] = pr; #else processor_device_array[pr->id] = (void *)device; processors[pr->id] = pr; #endif /* CONFIG_XEN */ result = acpi_processor_add_fs(device); if (result) goto end; status = acpi_install_notify_handler(pr->handle, ACPI_DEVICE_NOTIFY, acpi_processor_notify, pr); /* _PDC call should be done before doing anything else (if reqd.). */ arch_acpi_processor_init_pdc(pr); acpi_processor_set_pdc(pr); #if defined(CONFIG_CPU_FREQ) || defined(CONFIG_PROCESSOR_EXTERNAL_CONTROL) acpi_processor_ppc_has_changed(pr); #endif /* * pr->id may equal to -1 while processor_cntl_external enabled. * throttle and thermal module don't support this case. * Tx only works when dom0 vcpu == pcpu num by far, as we give * control to dom0. */ if (pr->id != -1) { acpi_processor_get_throttling_info(pr); acpi_processor_get_limit_info(pr); } acpi_processor_power_init(pr, device); result = processor_extcntl_prepare(pr); if (result) goto end; if (pr->flags.throttling) { printk(KERN_INFO PREFIX "%s [%s] (supports", acpi_device_name(device), acpi_device_bid(device)); printk(" %d throttling states", pr->throttling.state_count); printk(")\n"); } end: return result; } static void acpi_processor_notify(acpi_handle handle, u32 event, void *data) { struct acpi_processor *pr = (struct acpi_processor *)data; struct acpi_device *device = NULL; if (!pr) return; if (acpi_bus_get_device(pr->handle, &device)) return; switch (event) { case ACPI_PROCESSOR_NOTIFY_PERFORMANCE: acpi_processor_ppc_has_changed(pr); acpi_bus_generate_event(device, event, pr->performance_platform_limit); break; case ACPI_PROCESSOR_NOTIFY_POWER: acpi_processor_cst_has_changed(pr); acpi_bus_generate_event(device, event, 0); break; case ACPI_PROCESSOR_NOTIFY_THROTTLING: acpi_processor_tstate_has_changed(pr); acpi_bus_generate_event(device, event, 0); break; default: ACPI_DEBUG_PRINT((ACPI_DB_INFO, "Unsupported event [0x%x]\n", event)); break; } return; } static int acpi_processor_add(struct acpi_device *device) { struct acpi_processor *pr = NULL; if (!device) return -EINVAL; pr = kmalloc(sizeof(struct acpi_processor), GFP_KERNEL); if (!pr) return -ENOMEM; memset(pr, 0, sizeof(struct acpi_processor)); pr->handle = device->handle; strcpy(acpi_device_name(device), ACPI_PROCESSOR_DEVICE_NAME); strcpy(acpi_device_class(device), ACPI_PROCESSOR_CLASS); acpi_driver_data(device) = pr; return 0; } static int acpi_processor_remove(struct acpi_device *device, int type) { acpi_status status = AE_OK; struct acpi_processor *pr = NULL; if (!device || !acpi_driver_data(device)) return -EINVAL; pr = (struct acpi_processor *)acpi_driver_data(device); if (!processor_cntl_external() && pr->id >= NR_CPUS) { kfree(pr); return 0; } if (type == ACPI_BUS_REMOVAL_EJECT) { if (acpi_processor_handle_eject(pr)) return -EINVAL; } acpi_processor_power_exit(pr, device); status = acpi_remove_notify_handler(pr->handle, ACPI_DEVICE_NOTIFY, acpi_processor_notify); acpi_processor_remove_fs(device); #ifdef CONFIG_XEN if (pr->id != -1) processors[pr->id] = NULL; #else processors[pr->id] = NULL; #endif /* CONFIG_XEN */ kfree(pr); return 0; }
static int __devinit asus_acpi_add(struct acpi_device *device) { struct asus_laptop *asus; int result; pr_notice("Asus Laptop Support version %s\n", ASUS_LAPTOP_VERSION); asus = kzalloc(sizeof(struct asus_laptop), GFP_KERNEL); if (!asus) return -ENOMEM; asus->handle = device->handle; strcpy(acpi_device_name(device), ASUS_LAPTOP_DEVICE_NAME); strcpy(acpi_device_class(device), ASUS_LAPTOP_CLASS); device->driver_data = asus; asus->device = device; asus_dmi_check(); result = asus_acpi_init(asus); if (result) goto fail_platform; asus->is_pega_lucid = asus_check_pega_lucid(asus); result = asus_platform_init(asus); if (result) goto fail_platform; if (!acpi_video_backlight_support()) { result = asus_backlight_init(asus); if (result) goto fail_backlight; } else pr_info("Backlight controlled by ACPI video driver\n"); result = asus_input_init(asus); if (result) goto fail_input; result = asus_led_init(asus); if (result) goto fail_led; result = asus_rfkill_init(asus); if (result && result != -ENODEV) goto fail_rfkill; result = pega_accel_init(asus); if (result && result != -ENODEV) goto fail_pega_accel; result = pega_rfkill_init(asus); if (result && result != -ENODEV) goto fail_pega_rfkill; asus_device_present = true; return 0; fail_pega_rfkill: pega_accel_exit(asus); fail_pega_accel: asus_rfkill_exit(asus); fail_rfkill: asus_led_exit(asus); fail_led: asus_input_exit(asus); fail_input: asus_backlight_exit(asus); fail_backlight: asus_platform_exit(asus); fail_platform: kfree(asus->name); kfree(asus); return result; }
static int acpi_processor_add(struct acpi_device *device, const struct acpi_device_id *id) { struct acpi_processor *pr; struct device *dev; int result = 0; pr = kzalloc(sizeof(struct acpi_processor), GFP_KERNEL); if (!pr) return -ENOMEM; if (!zalloc_cpumask_var(&pr->throttling.shared_cpu_map, GFP_KERNEL)) { result = -ENOMEM; goto err_free_pr; } pr->handle = device->handle; strcpy(acpi_device_name(device), ACPI_PROCESSOR_DEVICE_NAME); strcpy(acpi_device_class(device), ACPI_PROCESSOR_CLASS); device->driver_data = pr; result = acpi_processor_get_info(device); if (result) /* Processor is not physically present or unavailable */ return 0; #ifdef CONFIG_SMP if (pr->id >= setup_max_cpus && pr->id != 0) return 0; #endif BUG_ON(pr->id >= nr_cpu_ids); /* * Buggy BIOS check. * ACPI id of processors can be reported wrongly by the BIOS. * Don't trust it blindly */ if (per_cpu(processor_device_array, pr->id) != NULL && per_cpu(processor_device_array, pr->id) != device) { dev_warn(&device->dev, "BIOS reported wrong ACPI id %d for the processor\n", pr->id); /* Give up, but do not abort the namespace scan. */ goto err; } /* * processor_device_array is not cleared on errors to allow buggy BIOS * checks. */ per_cpu(processor_device_array, pr->id) = device; per_cpu(processors, pr->id) = pr; dev = get_cpu_device(pr->id); if (!dev) { result = -ENODEV; goto err; } result = acpi_bind_one(dev, pr->handle); if (result) goto err; pr->dev = dev; dev->offline = pr->flags.need_hotplug_init; /* Trigger the processor driver's .probe() if present. */ if (device_attach(dev) >= 0) return 1; dev_err(dev, "Processor driver could not be attached\n"); acpi_unbind_one(dev); err: free_cpumask_var(pr->throttling.shared_cpu_map); device->driver_data = NULL; per_cpu(processors, pr->id) = NULL; err_free_pr: kfree(pr); return result; }
static int __cpuinit acpi_processor_add(struct acpi_device *device) { struct acpi_processor *pr = NULL; int result = 0; struct sys_device *sysdev; pr = kzalloc(sizeof(struct acpi_processor), GFP_KERNEL); if (!pr) return -ENOMEM; if (!zalloc_cpumask_var(&pr->throttling.shared_cpu_map, GFP_KERNEL)) { kfree(pr); return -ENOMEM; } pr->handle = device->handle; strcpy(acpi_device_name(device), ACPI_PROCESSOR_DEVICE_NAME); strcpy(acpi_device_class(device), ACPI_PROCESSOR_CLASS); device->driver_data = pr; result = acpi_processor_get_info(device); if (result) { /* Processor is physically not present */ return 0; } BUG_ON((pr->id >= nr_cpu_ids) || (pr->id < 0)); /* * Buggy BIOS check * ACPI id of processors can be reported wrongly by the BIOS. * Don't trust it blindly */ if (per_cpu(processor_device_array, pr->id) != NULL && per_cpu(processor_device_array, pr->id) != device) { printk(KERN_WARNING "BIOS reported wrong ACPI id " "for the processor\n"); result = -ENODEV; goto err_free_cpumask; } per_cpu(processor_device_array, pr->id) = device; per_cpu(processors, pr->id) = pr; result = acpi_processor_add_fs(device); if (result) goto err_free_cpumask; sysdev = get_cpu_sysdev(pr->id); if (sysfs_create_link(&device->dev.kobj, &sysdev->kobj, "sysdev")) { result = -EFAULT; goto err_remove_fs; } /* _PDC call should be done before doing anything else (if reqd.). */ arch_acpi_processor_init_pdc(pr); acpi_processor_set_pdc(pr); arch_acpi_processor_cleanup_pdc(pr); #ifdef CONFIG_CPU_FREQ acpi_processor_ppc_has_changed(pr); #endif acpi_processor_get_throttling_info(pr); acpi_processor_get_limit_info(pr); acpi_processor_power_init(pr, device); pr->cdev = thermal_cooling_device_register("Processor", device, &processor_cooling_ops); if (IS_ERR(pr->cdev)) { result = PTR_ERR(pr->cdev); goto err_power_exit; } dev_info(&device->dev, "registered as cooling_device%d\n", pr->cdev->id); result = sysfs_create_link(&device->dev.kobj, &pr->cdev->device.kobj, "thermal_cooling"); if (result) { printk(KERN_ERR PREFIX "Create sysfs link\n"); goto err_thermal_unregister; } result = sysfs_create_link(&pr->cdev->device.kobj, &device->dev.kobj, "device"); if (result) { printk(KERN_ERR PREFIX "Create sysfs link\n"); goto err_remove_sysfs; } return 0; err_remove_sysfs: sysfs_remove_link(&device->dev.kobj, "thermal_cooling"); err_thermal_unregister: thermal_cooling_device_unregister(pr->cdev); err_power_exit: acpi_processor_power_exit(pr, device); err_remove_fs: acpi_processor_remove_fs(device); err_free_cpumask: free_cpumask_var(pr->throttling.shared_cpu_map); return result; }
static int acpi_button_add ( struct acpi_device *device) { int result = 0; acpi_status status = AE_OK; struct acpi_button *button = NULL; static struct acpi_device *power_button; static struct acpi_device *sleep_button; static struct acpi_device *lid_button; ACPI_FUNCTION_TRACE("acpi_button_add"); if (!device) return_VALUE(-EINVAL); button = kmalloc(sizeof(struct acpi_button), GFP_KERNEL); if (!button) return_VALUE(-ENOMEM); memset(button, 0, sizeof(struct acpi_button)); button->device = device; button->handle = device->handle; acpi_driver_data(device) = button; /* * Determine the button type (via hid), as fixed-feature buttons * need to be handled a bit differently than generic-space. */ if (!strcmp(acpi_device_hid(device), ACPI_BUTTON_HID_POWER)) { button->type = ACPI_BUTTON_TYPE_POWER; sprintf(acpi_device_name(device), "%s", ACPI_BUTTON_DEVICE_NAME_POWER); sprintf(acpi_device_class(device), "%s/%s", ACPI_BUTTON_CLASS, ACPI_BUTTON_SUBCLASS_POWER); } else if (!strcmp(acpi_device_hid(device), ACPI_BUTTON_HID_POWERF)) { button->type = ACPI_BUTTON_TYPE_POWERF; sprintf(acpi_device_name(device), "%s", ACPI_BUTTON_DEVICE_NAME_POWERF); sprintf(acpi_device_class(device), "%s/%s", ACPI_BUTTON_CLASS, ACPI_BUTTON_SUBCLASS_POWER); } else if (!strcmp(acpi_device_hid(device), ACPI_BUTTON_HID_SLEEP)) { button->type = ACPI_BUTTON_TYPE_SLEEP; sprintf(acpi_device_name(device), "%s", ACPI_BUTTON_DEVICE_NAME_SLEEP); sprintf(acpi_device_class(device), "%s/%s", ACPI_BUTTON_CLASS, ACPI_BUTTON_SUBCLASS_SLEEP); } else if (!strcmp(acpi_device_hid(device), ACPI_BUTTON_HID_SLEEPF)) { button->type = ACPI_BUTTON_TYPE_SLEEPF; sprintf(acpi_device_name(device), "%s", ACPI_BUTTON_DEVICE_NAME_SLEEPF); sprintf(acpi_device_class(device), "%s/%s", ACPI_BUTTON_CLASS, ACPI_BUTTON_SUBCLASS_SLEEP); } else if (!strcmp(acpi_device_hid(device), ACPI_BUTTON_HID_LID)) { button->type = ACPI_BUTTON_TYPE_LID; sprintf(acpi_device_name(device), "%s", ACPI_BUTTON_DEVICE_NAME_LID); sprintf(acpi_device_class(device), "%s/%s", ACPI_BUTTON_CLASS, ACPI_BUTTON_SUBCLASS_LID); } else { ACPI_DEBUG_PRINT((ACPI_DB_ERROR, "Unsupported hid [%s]\n", acpi_device_hid(device))); result = -ENODEV; goto end; } /* * Ensure only one button of each type is used. */ switch (button->type) { case ACPI_BUTTON_TYPE_POWER: case ACPI_BUTTON_TYPE_POWERF: if (!power_button) power_button = device; else { kfree(button); return_VALUE(-ENODEV); } break; case ACPI_BUTTON_TYPE_SLEEP: case ACPI_BUTTON_TYPE_SLEEPF: if (!sleep_button) sleep_button = device; else { kfree(button); return_VALUE(-ENODEV); } break; case ACPI_BUTTON_TYPE_LID: if (!lid_button) lid_button = device; else { kfree(button); return_VALUE(-ENODEV); } break; } result = acpi_button_add_fs(device); if (result) goto end; switch (button->type) { case ACPI_BUTTON_TYPE_POWERF: status = acpi_install_fixed_event_handler ( ACPI_EVENT_POWER_BUTTON, acpi_button_notify_fixed, button); break; case ACPI_BUTTON_TYPE_SLEEPF: status = acpi_install_fixed_event_handler ( ACPI_EVENT_SLEEP_BUTTON, acpi_button_notify_fixed, button); break; default: status = acpi_install_notify_handler ( button->handle, ACPI_DEVICE_NOTIFY, acpi_button_notify, button); break; } if (ACPI_FAILURE(status)) { ACPI_DEBUG_PRINT((ACPI_DB_ERROR, "Error installing notify handler\n")); result = -ENODEV; goto end; } printk(KERN_INFO PREFIX "%s [%s]\n", acpi_device_name(device), acpi_device_bid(device)); end: if (result) { acpi_button_remove_fs(device); kfree(button); } return_VALUE(result); }
static int __cpuinit acpi_processor_add(struct acpi_device *device) { struct acpi_processor *pr = NULL; int result = 0; struct sys_device *sysdev; pr = kzalloc(sizeof(struct acpi_processor), GFP_KERNEL); if (!pr) return -ENOMEM; if (!zalloc_cpumask_var(&pr->throttling.shared_cpu_map, GFP_KERNEL)) { kfree(pr); return -ENOMEM; } pr->handle = device->handle; strcpy(acpi_device_name(device), ACPI_PROCESSOR_DEVICE_NAME); strcpy(acpi_device_class(device), ACPI_PROCESSOR_CLASS); device->driver_data = pr; processor_extcntl_init(); result = acpi_processor_get_info(device); if (result || ((pr->id == -1) && !processor_cntl_external())) { /* Processor is physically not present */ return 0; } BUG_ON(!processor_cntl_external() && ((pr->id >= nr_cpu_ids) || (pr->id < 0))); /* * Buggy BIOS check * ACPI id of processors can be reported wrongly by the BIOS. * Don't trust it blindly */ #ifndef CONFIG_XEN if (per_cpu(processor_device_array, pr->id) != NULL && per_cpu(processor_device_array, pr->id) != device) { #else BUG_ON(pr->acpi_id >= NR_ACPI_CPUS); if (processor_device_array[pr->acpi_id] != NULL && processor_device_array[pr->acpi_id] != device) { #endif printk(KERN_WARNING "BIOS reported wrong ACPI id " "for the processor\n"); result = -ENODEV; goto err_free_cpumask; } #ifndef CONFIG_XEN per_cpu(processor_device_array, pr->id) = device; per_cpu(processors, pr->id) = pr; #else processor_device_array[pr->acpi_id] = device; if (pr->id != -1) per_cpu(processors, pr->id) = pr; #endif result = acpi_processor_add_fs(device); if (result) goto err_free_cpumask; if (pr->id != -1) { sysdev = get_cpu_sysdev(pr->id); if (sysfs_create_link(&device->dev.kobj, &sysdev->kobj, "sysdev")) { result = -EFAULT; goto err_remove_fs; } } /* _PDC call should be done before doing anything else (if reqd.). */ arch_acpi_processor_init_pdc(pr); acpi_processor_set_pdc(pr); arch_acpi_processor_cleanup_pdc(pr); #if defined(CONFIG_CPU_FREQ) || defined(CONFIG_PROCESSOR_EXTERNAL_CONTROL) acpi_processor_ppc_has_changed(pr); #endif /* * pr->id may equal to -1 while processor_cntl_external enabled. * throttle and thermal module don't support this case. * Tx only works when dom0 vcpu == pcpu num by far, as we give * control to dom0. */ if (pr->id != -1) { acpi_processor_get_throttling_info(pr); acpi_processor_get_limit_info(pr); } acpi_processor_power_init(pr, device); result = processor_extcntl_prepare(pr); if (result) goto err_power_exit; pr->cdev = thermal_cooling_device_register("Processor", device, &processor_cooling_ops); if (IS_ERR(pr->cdev)) { result = PTR_ERR(pr->cdev); goto err_power_exit; } dev_info(&device->dev, "registered as cooling_device%d\n", pr->cdev->id); result = sysfs_create_link(&device->dev.kobj, &pr->cdev->device.kobj, "thermal_cooling"); if (result) { printk(KERN_ERR PREFIX "Create sysfs link\n"); goto err_thermal_unregister; } result = sysfs_create_link(&pr->cdev->device.kobj, &device->dev.kobj, "device"); if (result) { printk(KERN_ERR PREFIX "Create sysfs link\n"); goto err_remove_sysfs; } return 0; err_remove_sysfs: sysfs_remove_link(&device->dev.kobj, "thermal_cooling"); err_thermal_unregister: thermal_cooling_device_unregister(pr->cdev); err_power_exit: acpi_processor_power_exit(pr, device); err_remove_fs: acpi_processor_remove_fs(device); err_free_cpumask: free_cpumask_var(pr->throttling.shared_cpu_map); return result; } static int acpi_processor_remove(struct acpi_device *device, int type) { struct acpi_processor *pr = NULL; if (!device || !acpi_driver_data(device)) return -EINVAL; pr = acpi_driver_data(device); if (!processor_cntl_external() && pr->id >= nr_cpu_ids) goto free; if (type == ACPI_BUS_REMOVAL_EJECT) { if (acpi_processor_handle_eject(pr)) return -EINVAL; } acpi_processor_power_exit(pr, device); if (pr->id != -1) sysfs_remove_link(&device->dev.kobj, "sysdev"); acpi_processor_remove_fs(device); if (pr->cdev) { sysfs_remove_link(&device->dev.kobj, "thermal_cooling"); sysfs_remove_link(&pr->cdev->device.kobj, "device"); thermal_cooling_device_unregister(pr->cdev); pr->cdev = NULL; } #ifndef CONFIG_XEN per_cpu(processors, pr->id) = NULL; per_cpu(processor_device_array, pr->id) = NULL; #else if (pr->id != -1) per_cpu(processors, pr->id) = NULL; processor_device_array[pr->acpi_id] = NULL; #endif free: free_cpumask_var(pr->throttling.shared_cpu_map); kfree(pr); return 0; } #ifdef CONFIG_ACPI_HOTPLUG_CPU /**************************************************************************** * Acpi processor hotplug support * ****************************************************************************/ static int is_processor_present(acpi_handle handle) { acpi_status status; unsigned long long sta = 0; status = acpi_evaluate_integer(handle, "_STA", NULL, &sta); if (ACPI_SUCCESS(status) && (sta & ACPI_STA_DEVICE_PRESENT)) return 1; /* * _STA is mandatory for a processor that supports hot plug */ if (status == AE_NOT_FOUND) ACPI_DEBUG_PRINT((ACPI_DB_INFO, "Processor does not support hot plug\n")); else ACPI_EXCEPTION((AE_INFO, status, "Processor Device is not present")); return 0; }
/* * Do not put anything in here which needs the core to be online. * For example MSR access or setting up things which check for cpuinfo_x86 * (cpu_data(cpu)) values, like CPU feature flags, family, model, etc. * Such things have to be put in and set up above in acpi_processor_start() */ static int __cpuinit acpi_processor_add(struct acpi_device *device) { struct acpi_processor *pr = NULL; int result = 0; struct device *dev; pr = kzalloc(sizeof(struct acpi_processor), GFP_KERNEL); if (!pr) return -ENOMEM; if (!zalloc_cpumask_var(&pr->throttling.shared_cpu_map, GFP_KERNEL)) { result = -ENOMEM; goto err_free_pr; } pr->handle = device->handle; strcpy(acpi_device_name(device), ACPI_PROCESSOR_DEVICE_NAME); strcpy(acpi_device_class(device), ACPI_PROCESSOR_CLASS); device->driver_data = pr; result = acpi_processor_get_info(device); if (result) { /* Processor is physically not present */ return 0; } #ifdef CONFIG_SMP if (pr->id >= setup_max_cpus && pr->id != 0) return 0; #endif BUG_ON((pr->id >= nr_cpu_ids) || (pr->id < 0)); /* * Buggy BIOS check * ACPI id of processors can be reported wrongly by the BIOS. * Don't trust it blindly */ if (per_cpu(processor_device_array, pr->id) != NULL && per_cpu(processor_device_array, pr->id) != device) { printk(KERN_WARNING "BIOS reported wrong ACPI id " "for the processor\n"); result = -ENODEV; goto err_free_cpumask; } per_cpu(processor_device_array, pr->id) = device; per_cpu(processors, pr->id) = pr; dev = get_cpu_device(pr->id); if (sysfs_create_link(&device->dev.kobj, &dev->kobj, "sysdev")) { result = -EFAULT; goto err_clear_processor; } /* * Do not start hotplugged CPUs now, but when they * are onlined the first time */ if (pr->flags.need_hotplug_init) return 0; result = acpi_processor_start(pr); if (result) goto err_remove_sysfs; return 0; err_remove_sysfs: sysfs_remove_link(&device->dev.kobj, "sysdev"); err_clear_processor: /* * processor_device_array is not cleared to allow checks for buggy BIOS */ per_cpu(processors, pr->id) = NULL; err_free_cpumask: free_cpumask_var(pr->throttling.shared_cpu_map); err_free_pr: kfree(pr); return result; }
static int acpi_system_add ( struct acpi_device *device) { int result = 0; acpi_status status = AE_OK; struct acpi_system *system = NULL; u8 i = 0; ACPI_FUNCTION_TRACE("acpi_system_add"); if (!device) return_VALUE(-EINVAL); system = kmalloc(sizeof(struct acpi_system), GFP_KERNEL); if (!system) return_VALUE(-ENOMEM); memset(system, 0, sizeof(struct acpi_system)); system->handle = device->handle; sprintf(acpi_device_name(device), "%s", ACPI_SYSTEM_DEVICE_NAME); sprintf(acpi_device_class(device), "%s", ACPI_SYSTEM_CLASS); acpi_driver_data(device) = system; result = acpi_system_add_fs(device); if (result) goto end; printk(KERN_INFO PREFIX "%s [%s] (supports", acpi_device_name(device), acpi_device_bid(device)); for (i=0; i<ACPI_S_STATE_COUNT; i++) { u8 type_a, type_b; status = acpi_get_sleep_type_data(i, &type_a, &type_b); switch (i) { case ACPI_STATE_S4: if (acpi_gbl_FACS->S4bios_f && 0 != acpi_gbl_FADT->smi_cmd) { printk(" S4bios"); system->states[i] = 1; } /* no break */ default: if (ACPI_SUCCESS(status)) { system->states[i] = 1; printk(" S%d", i); } } } printk(")\n"); #ifdef CONFIG_PM /* Install the soft-off (S5) handler. */ if (system->states[ACPI_STATE_S5]) { pm_power_off = acpi_power_off; register_sysrq_key('o', &sysrq_acpi_poweroff_op); } #endif end: if (result) kfree(system); return_VALUE(result); }
int acpi_power_add ( struct acpi_device *device) { int result = 0; acpi_status status = AE_OK; struct acpi_power_resource *resource = NULL; union acpi_object acpi_object; struct acpi_buffer buffer = {sizeof(acpi_object), &acpi_object}; ACPI_FUNCTION_TRACE("acpi_power_add"); if (!device) return_VALUE(-EINVAL); resource = kmalloc(sizeof(struct acpi_power_resource), GFP_KERNEL); if (!resource) return_VALUE(-ENOMEM); memset(resource, 0, sizeof(struct acpi_power_resource)); resource->handle = device->handle; sprintf(resource->name, "%s", device->pnp.bus_id); sprintf(acpi_device_name(device), "%s", ACPI_POWER_DEVICE_NAME); sprintf(acpi_device_class(device), "%s", ACPI_POWER_CLASS); acpi_driver_data(device) = resource; /* Evalute the object to get the system level and resource order. */ status = acpi_evaluate_object(resource->handle, NULL, NULL, &buffer); if (ACPI_FAILURE(status)) { result = -ENODEV; goto end; } resource->system_level = acpi_object.power_resource.system_level; resource->order = acpi_object.power_resource.resource_order; result = acpi_power_get_state(resource); if (result) goto end; switch (resource->state) { case ACPI_POWER_RESOURCE_STATE_ON: device->power.state = ACPI_STATE_D0; break; case ACPI_POWER_RESOURCE_STATE_OFF: device->power.state = ACPI_STATE_D3; break; default: device->power.state = ACPI_STATE_UNKNOWN; break; } result = acpi_power_add_fs(device); if (result) goto end; printk(KERN_INFO PREFIX "%s [%s] (%s)\n", acpi_device_name(device), acpi_device_bid(device), resource->state?"on":"off"); end: if (result) kfree(resource); return_VALUE(result); }
static int __cpuinit acpi_processor_add(struct acpi_device *device) { struct acpi_processor *pr = NULL; int result = 0; struct device *dev; pr = kzalloc(sizeof(struct acpi_processor), GFP_KERNEL); if (!pr) return -ENOMEM; if (!zalloc_cpumask_var(&pr->throttling.shared_cpu_map, GFP_KERNEL)) { result = -ENOMEM; goto err_free_pr; } pr->handle = device->handle; strcpy(acpi_device_name(device), ACPI_PROCESSOR_DEVICE_NAME); strcpy(acpi_device_class(device), ACPI_PROCESSOR_CLASS); device->driver_data = pr; result = acpi_processor_get_info(device); if (result) { return 0; } #ifdef CONFIG_SMP if (pr->id >= setup_max_cpus && pr->id != 0) return 0; #endif BUG_ON((pr->id >= nr_cpu_ids) || (pr->id < 0)); if (per_cpu(processor_device_array, pr->id) != NULL && per_cpu(processor_device_array, pr->id) != device) { printk(KERN_WARNING "BIOS reported wrong ACPI id " "for the processor\n"); result = -ENODEV; goto err_free_cpumask; } per_cpu(processor_device_array, pr->id) = device; per_cpu(processors, pr->id) = pr; dev = get_cpu_device(pr->id); if (sysfs_create_link(&device->dev.kobj, &dev->kobj, "sysdev")) { result = -EFAULT; goto err_clear_processor; } if (pr->flags.need_hotplug_init) return 0; result = acpi_processor_start(pr); if (result) goto err_remove_sysfs; return 0; err_remove_sysfs: sysfs_remove_link(&device->dev.kobj, "sysdev"); err_clear_processor: per_cpu(processors, pr->id) = NULL; err_free_cpumask: free_cpumask_var(pr->throttling.shared_cpu_map); err_free_pr: kfree(pr); return result; }
static int __devinit asus_acpi_add(struct acpi_device *device) { struct asus_laptop *asus; int result; pr_notice("Asus Laptop Support version %s\n", ASUS_LAPTOP_VERSION); asus = kzalloc(sizeof(struct asus_laptop), GFP_KERNEL); if (!asus) return -ENOMEM; asus->handle = device->handle; strcpy(acpi_device_name(device), ASUS_LAPTOP_DEVICE_NAME); strcpy(acpi_device_class(device), ASUS_LAPTOP_CLASS); device->driver_data = asus; asus->device = device; result = asus_acpi_init(asus); if (result) goto fail_platform; /* * Register the platform device first. It is used as a parent for the * sub-devices below. */ result = asus_platform_init(asus); if (result) goto fail_platform; if (!acpi_video_backlight_support()) { result = asus_backlight_init(asus); if (result) goto fail_backlight; } else pr_info("Backlight controlled by ACPI video driver\n"); result = asus_input_init(asus); if (result) goto fail_input; result = asus_led_init(asus); if (result) goto fail_led; result = asus_rfkill_init(asus); if (result) goto fail_rfkill; asus_device_present = true; return 0; fail_rfkill: asus_led_exit(asus); fail_led: asus_input_exit(asus); fail_input: asus_backlight_exit(asus); fail_backlight: asus_platform_exit(asus); fail_platform: kfree(asus->name); kfree(asus); return result; }