diff options
Diffstat (limited to 'drivers/platform/x86/intel-rst.c')
| -rw-r--r-- | drivers/platform/x86/intel-rst.c | 209 |
1 files changed, 0 insertions, 209 deletions
diff --git a/drivers/platform/x86/intel-rst.c b/drivers/platform/x86/intel-rst.c deleted file mode 100644 index 9385afd9b558..000000000000 --- a/drivers/platform/x86/intel-rst.c +++ /dev/null @@ -1,209 +0,0 @@ -/* - * Copyright 2013 Matthew Garrett <mjg59@srcf.ucam.org> - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License as published by - * the Free Software Foundation; either version 2 of the License, or - * (at your option) any later version. - * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. - * - * You should have received a copy of the GNU General Public License along - * with this program; if not, write to the Free Software Foundation, Inc., - * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA. - */ - - -#include <linux/init.h> -#include <linux/module.h> -#include <linux/slab.h> -#include <acpi/acpi_drivers.h> - -MODULE_LICENSE("GPL"); - -static ssize_t irst_show_wakeup_events(struct device *dev, - struct device_attribute *attr, - char *buf) -{ - struct acpi_device *acpi; - struct acpi_buffer output = { ACPI_ALLOCATE_BUFFER, NULL }; - union acpi_object *result; - acpi_status status; - - acpi = to_acpi_device(dev); - - status = acpi_evaluate_object(acpi->handle, "GFFS", NULL, &output); - if (!ACPI_SUCCESS(status)) - return -EINVAL; - - result = output.pointer; - - if (result->type != ACPI_TYPE_INTEGER) { - kfree(result); - return -EINVAL; - } - - return sprintf(buf, "%lld\n", result->integer.value); -} - -static ssize_t irst_store_wakeup_events(struct device *dev, - struct device_attribute *attr, - const char *buf, size_t count) -{ - struct acpi_device *acpi; - struct acpi_object_list input; - union acpi_object param; - acpi_status status; - unsigned long value; - int error; - - acpi = to_acpi_device(dev); - - error = kstrtoul(buf, 0, &value); - - if (error) - return error; - - param.type = ACPI_TYPE_INTEGER; - param.integer.value = value; - - input.count = 1; - input.pointer = ¶m; - - status = acpi_evaluate_object(acpi->handle, "SFFS", &input, NULL); - - if (!ACPI_SUCCESS(status)) - return -EINVAL; - - return count; -} - -static struct device_attribute irst_wakeup_attr = { - .attr = { .name = "wakeup_events", .mode = 0600 }, - .show = irst_show_wakeup_events, - .store = irst_store_wakeup_events -}; - -static ssize_t irst_show_wakeup_time(struct device *dev, - struct device_attribute *attr, char *buf) -{ - struct acpi_device *acpi; - struct acpi_buffer output = { ACPI_ALLOCATE_BUFFER, NULL }; - union acpi_object *result; - acpi_status status; - - acpi = to_acpi_device(dev); - - status = acpi_evaluate_object(acpi->handle, "GFTV", NULL, &output); - if (!ACPI_SUCCESS(status)) - return -EINVAL; - - result = output.pointer; - - if (result->type != ACPI_TYPE_INTEGER) { - kfree(result); - return -EINVAL; - } - - return sprintf(buf, "%lld\n", result->integer.value); -} - -static ssize_t irst_store_wakeup_time(struct device *dev, - struct device_attribute *attr, - const char *buf, size_t count) -{ - struct acpi_device *acpi; - struct acpi_object_list input; - union acpi_object param; - acpi_status status; - unsigned long value; - int error; - - acpi = to_acpi_device(dev); - - error = kstrtoul(buf, 0, &value); - - if (error) - return error; - - param.type = ACPI_TYPE_INTEGER; - param.integer.value = value; - - input.count = 1; - input.pointer = ¶m; - - status = acpi_evaluate_object(acpi->handle, "SFTV", &input, NULL); - - if (!ACPI_SUCCESS(status)) - return -EINVAL; - - return count; -} - -static struct device_attribute irst_timeout_attr = { - .attr = { .name = "wakeup_time", .mode = 0600 }, - .show = irst_show_wakeup_time, - .store = irst_store_wakeup_time -}; - -static int irst_add(struct acpi_device *acpi) -{ - int error = 0; - - error = device_create_file(&acpi->dev, &irst_timeout_attr); - if (error) - goto out; - - error = device_create_file(&acpi->dev, &irst_wakeup_attr); - if (error) - goto out_timeout; - - return 0; - -out_timeout: - device_remove_file(&acpi->dev, &irst_timeout_attr); -out: - return error; -} - -static int irst_remove(struct acpi_device *acpi) -{ - device_remove_file(&acpi->dev, &irst_wakeup_attr); - device_remove_file(&acpi->dev, &irst_timeout_attr); - - return 0; -} - -static const struct acpi_device_id irst_ids[] = { - {"INT3392", 0}, - {"", 0} -}; - -static struct acpi_driver irst_driver = { - .owner = THIS_MODULE, - .name = "intel_rapid_start", - .class = "intel_rapid_start", - .ids = irst_ids, - .ops = { - .add = irst_add, - .remove = irst_remove, - }, -}; - -static int irst_init(void) -{ - return acpi_bus_register_driver(&irst_driver); -} - -static void irst_exit(void) -{ - acpi_bus_unregister_driver(&irst_driver); -} - -module_init(irst_init); -module_exit(irst_exit); - -MODULE_DEVICE_TABLE(acpi, irst_ids); |