/* * HP Compaq TC1100 Tablet WMI Extras Driver * * Copyright (C) 2007 Carlos Corbacho * Copyright (C) 2004 Jamey Hicks * Copyright (C) 2001, 2002 Andy Grover * Copyright (C) 2001, 2002 Paul Diefenbaugh * * ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ * * 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., * 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA. * * ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ */ #define pr_fmt(fmt) KBUILD_MODNAME ": " fmt #include #include #include #include #include #include #include #include #include #define GUID "C364AC71-36DB-495A-8494-B439D472A505" #define TC1100_INSTANCE_WIRELESS 1 #define TC1100_INSTANCE_JOGDIAL 2 MODULE_AUTHOR("Jamey Hicks, Carlos Corbacho"); MODULE_DESCRIPTION("HP Compaq TC1100 Tablet WMI Extras"); MODULE_LICENSE("GPL"); MODULE_ALIAS("wmi:C364AC71-36DB-495A-8494-B439D472A505"); static struct platform_device *tc1100_device; struct tc1100_data { u32 wireless; u32 jogdial; }; static struct tc1100_data suspend_data; /* -------------------------------------------------------------------------- Device Management -------------------------------------------------------------------------- */ static int get_state(u32 *out, u8 instance) { u32 tmp; acpi_status status; struct acpi_buffer result = { ACPI_ALLOCATE_BUFFER, NULL }; union acpi_object *obj; if (!out) return -EINVAL; if (instance > 2) return -ENODEV; status = wmi_query_block(GUID, instance, &result); if (ACPI_FAILURE(status)) return -ENODEV; obj = (union acpi_object *) result.pointer; if (obj && obj->type == ACPI_TYPE_INTEGER) { tmp = obj->integer.value; } else { tmp = 0; } if (result.length > 0 && result.pointer) kfree(result.pointer); switch (instance) { case TC1100_INSTANCE_WIRELESS: *out = (tmp == 3) ? 1 : 0; return 0; case TC1100_INSTANCE_JOGDIAL: *out = (tmp == 1) ? 0 : 1; return 0; default: return -ENODEV; } } static int set_state(u32 *in, u8 instance) { u32 value; acpi_status status; struct acpi_buffer input; if (!in) return -EINVAL; if (instance > 2) return -ENODEV; switch (instance) { case TC1100_INSTANCE_WIRELESS: value = (*in) ? 1 : 2; break; case TC1100_INSTANCE_JOGDIAL: value = (*in) ? 0 : 1; break; default: return -ENODEV; } input.length = sizeof(u32); input.pointer = &value; status = wmi_set_block(GUID, instance, &input); if (ACPI_FAILURE(status)) return -ENODEV; return 0; } /* -------------------------------------------------------------------------- FS Interface (/sys) -------------------------------------------------------------------------- */ /* * Read/ write bool sysfs macro */ #define show_set_bool(value, instance) \ static ssize_t \ show_bool_##value(struct device *dev, struct device_attribute *attr, \ char *buf) \ { \ u32 result; \ acpi_status status = get_state(&result, instance); \ if (ACPI_SUCCESS(status)) \ return sprintf(buf, "%d\n", result); \ return sprintf(buf, "Read error\n"); \ } \ \ static ssize_t \ set_bool_##value(struct device *dev, struct device_attribute *attr, \ const char *buf, size_t count) \ { \ u32 tmp = simple_strtoul(buf, NULL, 10); \ acpi_status status = set_state(&tmp, instance); \ if (ACPI_FAILURE(status)) \ return -EINVAL; \ return count; \ } \ static DEVICE_ATTR(value, S_IRUGO | S_IWUSR, \ show_bool_##value, set_bool_##value); show_set_bool(wireless, TC1100_INSTANCE_WIRELESS); show_set_bool(jogdial, TC1100_INSTANCE_JOGDIAL); static struct attribute *tc1100_attributes[] = { &dev_attr_wireless.attr, &dev_attr_jogdial.attr, NULL }; static struct attribute_group tc1100_attribute_group = { .attrs = tc1100_attributes, }; /* -------------------------------------------------------------------------- Driver Model -------------------------------------------------------------------------- */ static int __init tc1100_probe(struct platform_device *device) { return sysfs_create_group(&device->dev.kobj, &tc1100_attribute_group); } static int __devexit tc1100_remove(struct platform_device *device) { sysfs_remove_group(&device->dev.kobj, &tc1100_attribute_group); return 0; } #ifdef CONFIG_PM static int tc1100_suspend(struct device *dev) { int ret; ret = get_state(&suspend_data.wireless, TC1100_INSTANCE_WIRELESS); if (ret) return ret; ret = get_state(&suspend_data.jogdial, TC1100_INSTANCE_JOGDIAL); if (ret) return ret; return 0; } static int tc1100_resume(struct device *dev) { int ret; ret = set_state(&suspend_data.wireless, TC1100_INSTANCE_WIRELESS); if (ret) return ret; ret = set_state(&suspend_data.jogdial, TC1100_INSTANCE_JOGDIAL); if (ret) return ret; return 0; } static const struct dev_pm_ops tc1100_pm_ops = { .suspend = tc1100_suspend, .resume = tc1100_resume, .freeze = tc1100_suspend, .restore = tc1100_resume, }; #endif static struct platform_driver tc1100_driver = { .driver = { .name = "tc1100-wmi", .owner = THIS_MODULE, #ifdef CONFIG_PM .pm = &tc1100_pm_ops, #endif }, .remove = __devexit_p(tc1100_remove), }; static int __init tc1100_init(void) { int error; if (!wmi_has_guid(GUID)) return -ENODEV; tc1100_device = platform_device_alloc("tc1100-wmi", -1); if (!tc1100_device) return -ENOMEM; error = platform_device_add(tc1100_device); if (error) goto err_device_put; error = platform_driver_probe(&tc1100_driver, tc1100_probe); if (error) goto err_device_del; pr_info("HP Compaq TC1100 Tablet WMI Extras loaded\n"); return 0; err_device_del: platform_device_del(tc1100_device); err_device_put: platform_device_put(tc1100_device); return error; } static void __exit tc1100_exit(void) { platform_dev
#ifndef __LINUX_GEN_STATS_H
#define __LINUX_GEN_STATS_H

#include <linux/types.h>

enum {
	TCA_STATS_UNSPEC,
	TCA_STATS_BASIC,
	TCA_STATS_RATE_EST,
	TCA_STATS_QUEUE,
	TCA_STATS_APP,
	__TCA_STATS_MAX,
};
#define TCA_STATS_MAX (__TCA_STATS_MAX - 1)

/**
 * struct gnet_stats_basic - byte/packet throughput statistics
 * @bytes: number of seen bytes
 * @packets: number of seen packets
 */
struct gnet_stats_basic
{
	__u64	bytes;
	__u32	packets;
};

/**
 * struct gnet_stats_rate_est - rate estimator
 * @bps: current byte rate
 * @pps: current packet rate
 */
struct gnet_stats_rate_est
{
	__u32	bps;
	__u32	pps;
};

/**
 * struct gnet_stats_queue - queuing statistics
 * @qlen: queue length
 * @backlog: backlog size of queue
 * @drops: number of dropped packets
 * @requeues: number of requeues
 * @overlimits: number of enqueues over the limit
 */
struct gnet_stats_queue
{
	__u32	qlen;
	__u32	backlog;
	__u32	drops;
	__u32	requeues;
	__u32	overlimits;
};

/**
 * struct gnet_estimator - rate estimator configuration
 * @interval: sampling period
 * @ewma_log: the log of measurement window weight
 */
struct gnet_estimator
{
	signed char	interval;
	unsigned char	ewma_log;
};


#endif /* __LINUX_GEN_STATS_H */
generated by cgit v1.2.3 (git 2.25.1) at 2026-02-10 03:59:33 +0000