diff options
Diffstat (limited to 'drivers/staging/dgrp/dgrp_sysfs.c')
| -rw-r--r-- | drivers/staging/dgrp/dgrp_sysfs.c | 558 |
1 files changed, 0 insertions, 558 deletions
diff --git a/drivers/staging/dgrp/dgrp_sysfs.c b/drivers/staging/dgrp/dgrp_sysfs.c deleted file mode 100644 index 2f9345ff0abb..000000000000 --- a/drivers/staging/dgrp/dgrp_sysfs.c +++ /dev/null @@ -1,558 +0,0 @@ -/* - * Copyright 2004 Digi International (www.digi.com) - * Scott H Kilau <Scott_Kilau at digi dot com> - * - * 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, or (at your option) - * any later version. - * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY, EXPRESS OR IMPLIED; without even the - * implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR - * PURPOSE. See the GNU General Public License for more details. - * - */ - -#include "dgrp_common.h" - -#include <linux/kernel.h> -#include <linux/module.h> -#include <linux/ctype.h> -#include <linux/string.h> -#include <linux/serial_reg.h> -#include <linux/pci.h> -#include <linux/kdev_t.h> - - -#define PORTSERVER_DIVIDEND 1843200 -#define SERIAL_TYPE_NORMAL 1 -#define SERIAL_TYPE_CALLOUT 2 -#define SERIAL_TYPE_XPRINT 3 - - -static struct class *dgrp_class; -static struct device *dgrp_class_nodes_dev; -static struct device *dgrp_class_global_settings_dev; - - -static ssize_t dgrp_class_version_show(struct class *class, - struct class_attribute *attr, char *buf) -{ - return snprintf(buf, PAGE_SIZE, "%s\n", DIGI_VERSION); -} -static CLASS_ATTR(driver_version, 0400, dgrp_class_version_show, NULL); - - -static ssize_t dgrp_class_register_with_sysfs_show(struct device *c, - struct device_attribute *attr, - char *buf) -{ - return snprintf(buf, PAGE_SIZE, "1\n"); -} -static DEVICE_ATTR(register_with_sysfs, 0400, - dgrp_class_register_with_sysfs_show, NULL); - - -static ssize_t dgrp_class_pollrate_show(struct device *c, - struct device_attribute *attr, - char *buf) -{ - return snprintf(buf, PAGE_SIZE, "%d\n", dgrp_poll_tick); -} - -static ssize_t dgrp_class_pollrate_store(struct device *c, - struct device_attribute *attr, - const char *buf, size_t count) -{ - if (sscanf(buf, "0x%x\n", &dgrp_poll_tick) != 1) - return -EINVAL; - - return count; -} -static DEVICE_ATTR(pollrate, 0600, dgrp_class_pollrate_show, - dgrp_class_pollrate_store); - -static struct attribute *dgrp_sysfs_global_settings_entries[] = { - &dev_attr_pollrate.attr, - &dev_attr_register_with_sysfs.attr, - NULL -}; - - -static struct attribute_group dgrp_global_settings_attribute_group = { - .name = NULL, - .attrs = dgrp_sysfs_global_settings_entries, -}; - - - -int dgrp_create_class_sysfs_files(void) -{ - int ret = 0; - int max_majors = 1U << (32 - MINORBITS); - - dgrp_class = class_create(THIS_MODULE, "digi_realport"); - if (IS_ERR(dgrp_class)) - return PTR_ERR(dgrp_class); - ret = class_create_file(dgrp_class, &class_attr_driver_version); - if (ret) - goto err_class; - - dgrp_class_global_settings_dev = device_create(dgrp_class, NULL, - MKDEV(0, max_majors + 1), NULL, "driver_settings"); - if (IS_ERR(dgrp_class_global_settings_dev)) { - ret = PTR_ERR(dgrp_class_global_settings_dev); - goto err_file; - } - ret = sysfs_create_group(&dgrp_class_global_settings_dev->kobj, - &dgrp_global_settings_attribute_group); - if (ret) { - pr_alert("%s: failed to create sysfs global settings device attributes.\n", - __func__); - goto err_dev1; - } - - dgrp_class_nodes_dev = device_create(dgrp_class, NULL, - MKDEV(0, max_majors + 2), NULL, "nodes"); - if (IS_ERR(dgrp_class_nodes_dev)) { - ret = PTR_ERR(dgrp_class_nodes_dev); - goto err_group; - } - - return 0; -err_group: - sysfs_remove_group(&dgrp_class_global_settings_dev->kobj, - &dgrp_global_settings_attribute_group); -err_dev1: - device_destroy(dgrp_class, MKDEV(0, max_majors + 1)); -err_file: - class_remove_file(dgrp_class, &class_attr_driver_version); -err_class: - class_destroy(dgrp_class); - return ret; -} - - -void dgrp_remove_class_sysfs_files(void) -{ - struct nd_struct *nd; - int max_majors = 1U << (32 - MINORBITS); - - list_for_each_entry(nd, &nd_struct_list, list) - dgrp_remove_node_class_sysfs_files(nd); - - sysfs_remove_group(&dgrp_class_global_settings_dev->kobj, - &dgrp_global_settings_attribute_group); - - class_remove_file(dgrp_class, &class_attr_driver_version); - - device_destroy(dgrp_class, MKDEV(0, max_majors + 1)); - device_destroy(dgrp_class, MKDEV(0, max_majors + 2)); - class_destroy(dgrp_class); -} - -static ssize_t dgrp_node_state_show(struct device *c, - struct device_attribute *attr, char *buf) -{ - struct nd_struct *nd; - - if (!c) - return 0; - nd = dev_get_drvdata(c); - if (!nd) - return 0; - - return snprintf(buf, PAGE_SIZE, "%s\n", ND_STATE_STR(nd->nd_state)); -} - -static DEVICE_ATTR(state, 0600, dgrp_node_state_show, NULL); - -static ssize_t dgrp_node_description_show(struct device *c, - struct device_attribute *attr, - char *buf) -{ - struct nd_struct *nd; - - if (!c) - return 0; - nd = dev_get_drvdata(c); - if (!nd) - return 0; - - if (nd->nd_state == NS_READY) - return snprintf(buf, PAGE_SIZE, "%s\n", nd->nd_ps_desc); - return 0; -} -static DEVICE_ATTR(description_info, 0600, dgrp_node_description_show, NULL); - -static ssize_t dgrp_node_hw_version_show(struct device *c, - struct device_attribute *attr, - char *buf) -{ - struct nd_struct *nd; - - if (!c) - return 0; - nd = dev_get_drvdata(c); - if (!nd) - return 0; - - if (nd->nd_state == NS_READY) - return snprintf(buf, PAGE_SIZE, "%d.%d\n", - (nd->nd_hw_ver >> 8) & 0xff, - nd->nd_hw_ver & 0xff); - - return 0; -} -static DEVICE_ATTR(hw_version_info, 0600, dgrp_node_hw_version_show, NULL); - -static ssize_t dgrp_node_hw_id_show(struct device *c, - struct device_attribute *attr, char *buf) -{ - struct nd_struct *nd; - - if (!c) - return 0; - nd = dev_get_drvdata(c); - if (!nd) - return 0; - - - if (nd->nd_state == NS_READY) - return snprintf(buf, PAGE_SIZE, "%d\n", nd->nd_hw_id); - return 0; -} -static DEVICE_ATTR(hw_id_info, 0600, dgrp_node_hw_id_show, NULL); - -static ssize_t dgrp_node_sw_version_show(struct device *c, - struct device_attribute *attr, - char *buf) -{ - struct nd_struct *nd; - - if (!c) - return 0; - - nd = dev_get_drvdata(c); - if (!nd) - return 0; - - if (nd->nd_state == NS_READY) - return snprintf(buf, PAGE_SIZE, "%d.%d\n", - (nd->nd_sw_ver >> 8) & 0xff, - nd->nd_sw_ver & 0xff); - - return 0; -} -static DEVICE_ATTR(sw_version_info, 0600, dgrp_node_sw_version_show, NULL); - - -static struct attribute *dgrp_sysfs_node_entries[] = { - &dev_attr_state.attr, - &dev_attr_description_info.attr, - &dev_attr_hw_version_info.attr, - &dev_attr_hw_id_info.attr, - &dev_attr_sw_version_info.attr, - NULL -}; - - -static struct attribute_group dgrp_node_attribute_group = { - .name = NULL, - .attrs = dgrp_sysfs_node_entries, -}; - - -void dgrp_create_node_class_sysfs_files(struct nd_struct *nd) -{ - int ret; - char name[10]; - - if (nd->nd_ID) - ID_TO_CHAR(nd->nd_ID, name); - else - sprintf(name, "node%ld", nd->nd_major); - - nd->nd_class_dev = device_create(dgrp_class, dgrp_class_nodes_dev, - MKDEV(0, nd->nd_major), NULL, "%s", name); - - ret = sysfs_create_group(&nd->nd_class_dev->kobj, - &dgrp_node_attribute_group); - - if (ret) { - pr_alert("%s: failed to create sysfs node device attributes.\n", - __func__); - sysfs_remove_group(&nd->nd_class_dev->kobj, - &dgrp_node_attribute_group); - return; - } - - dev_set_drvdata(nd->nd_class_dev, nd); - -} - - -void dgrp_remove_node_class_sysfs_files(struct nd_struct *nd) -{ - if (nd->nd_class_dev) { - sysfs_remove_group(&nd->nd_class_dev->kobj, - &dgrp_node_attribute_group); - - device_destroy(dgrp_class, MKDEV(0, nd->nd_major)); - nd->nd_class_dev = NULL; - } -} - - - -static ssize_t dgrp_tty_state_show(struct device *d, - struct device_attribute *attr, char *buf) -{ - struct un_struct *un; - - if (!d) - return 0; - un = dev_get_drvdata(d); - if (!un) - return 0; - - return snprintf(buf, PAGE_SIZE, "%s\n", - un->un_open_count ? "Open" : "Closed"); -} -static DEVICE_ATTR(state_info, 0600, dgrp_tty_state_show, NULL); - -static ssize_t dgrp_tty_baud_show(struct device *d, - struct device_attribute *attr, char *buf) -{ - struct ch_struct *ch; - struct un_struct *un; - - if (!d) - return 0; - un = dev_get_drvdata(d); - if (!un) - return 0; - ch = un->un_ch; - if (!ch) - return 0; - return snprintf(buf, PAGE_SIZE, "%d\n", - un->un_open_count ? (PORTSERVER_DIVIDEND / ch->ch_s_brate) : 0); -} -static DEVICE_ATTR(baud_info, 0400, dgrp_tty_baud_show, NULL); - - -static ssize_t dgrp_tty_msignals_show(struct device *d, - struct device_attribute *attr, char *buf) -{ - struct ch_struct *ch; - struct un_struct *un; - - if (!d) - return 0; - un = dev_get_drvdata(d); - if (!un) - return 0; - ch = un->un_ch; - if (!ch) - return 0; - - if (ch->ch_open_count) { - return snprintf(buf, PAGE_SIZE, "%s %s %s %s %s %s\n", - (ch->ch_s_mlast & DM_RTS) ? "RTS" : "", - (ch->ch_s_mlast & DM_CTS) ? "CTS" : "", - (ch->ch_s_mlast & DM_DTR) ? "DTR" : "", - (ch->ch_s_mlast & DM_DSR) ? "DSR" : "", - (ch->ch_s_mlast & DM_CD) ? "DCD" : "", - (ch->ch_s_mlast & DM_RI) ? "RI" : ""); - } - return 0; -} -static DEVICE_ATTR(msignals_info, 0400, dgrp_tty_msignals_show, NULL); - - -static ssize_t dgrp_tty_iflag_show(struct device *d, - struct device_attribute *attr, char *buf) -{ - struct ch_struct *ch; - struct un_struct *un; - - if (!d) - return 0; - un = dev_get_drvdata(d); - if (!un) - return 0; - ch = un->un_ch; - if (!ch) - return 0; - return snprintf(buf, PAGE_SIZE, "%x\n", ch->ch_s_iflag); -} -static DEVICE_ATTR(iflag_info, 0600, dgrp_tty_iflag_show, NULL); - - -static ssize_t dgrp_tty_cflag_show(struct device *d, - struct device_attribute *attr, char *buf) -{ - struct ch_struct *ch; - struct un_struct *un; - - if (!d) - return 0; - un = dev_get_drvdata(d); - if (!un) - return 0; - ch = un->un_ch; - if (!ch) - return 0; - return snprintf(buf, PAGE_SIZE, "%x\n", ch->ch_s_cflag); -} -static DEVICE_ATTR(cflag_info, 0600, dgrp_tty_cflag_show, NULL); - - -static ssize_t dgrp_tty_oflag_show(struct device *d, - struct device_attribute *attr, char *buf) -{ - struct ch_struct *ch; - struct un_struct *un; - - if (!d) - return 0; - un = dev_get_drvdata(d); - if (!un) - return 0; - ch = un->un_ch; - if (!ch) - return 0; - return snprintf(buf, PAGE_SIZE, "%x\n", ch->ch_s_oflag); -} -static DEVICE_ATTR(oflag_info, 0600, dgrp_tty_oflag_show, NULL); - - -static ssize_t dgrp_tty_digi_flag_show(struct device *d, - struct device_attribute *attr, char *buf) -{ - struct ch_struct *ch; - struct un_struct *un; - - if (!d) - return 0; - un = dev_get_drvdata(d); - if (!un) - return 0; - ch = un->un_ch; - if (!ch) - return 0; - return snprintf(buf, PAGE_SIZE, "%x\n", ch->ch_digi.digi_flags); -} -static DEVICE_ATTR(digi_flag_info, 0600, dgrp_tty_digi_flag_show, NULL); - - -static ssize_t dgrp_tty_rxcount_show(struct device *d, - struct device_attribute *attr, char *buf) -{ - struct ch_struct *ch; - struct un_struct *un; - - if (!d) - return 0; - un = dev_get_drvdata(d); - if (!un) - return 0; - ch = un->un_ch; - if (!ch) - return 0; - return snprintf(buf, PAGE_SIZE, "%d\n", ch->ch_rxcount); -} -static DEVICE_ATTR(rxcount_info, 0600, dgrp_tty_rxcount_show, NULL); - - -static ssize_t dgrp_tty_txcount_show(struct device *d, - struct device_attribute *attr, char *buf) -{ - struct ch_struct *ch; - struct un_struct *un; - - if (!d) - return 0; - un = dev_get_drvdata(d); - if (!un) - return 0; - ch = un->un_ch; - if (!ch) - return 0; - return snprintf(buf, PAGE_SIZE, "%d\n", ch->ch_txcount); -} -static DEVICE_ATTR(txcount_info, 0600, dgrp_tty_txcount_show, NULL); - - -static ssize_t dgrp_tty_name_show(struct device *d, - struct device_attribute *attr, char *buf) -{ - struct nd_struct *nd; - struct ch_struct *ch; - struct un_struct *un; - char name[10]; - - if (!d) - return 0; - un = dev_get_drvdata(d); - if (!un) - return 0; - ch = un->un_ch; - if (!ch) - return 0; - nd = ch->ch_nd; - if (!nd) - return 0; - - ID_TO_CHAR(nd->nd_ID, name); - - return snprintf(buf, PAGE_SIZE, "%s%s%02d\n", - un->un_type == SERIAL_TYPE_XPRINT ? "pr" : "tty", - name, ch->ch_portnum); -} -static DEVICE_ATTR(custom_name, 0600, dgrp_tty_name_show, NULL); - - -static struct attribute *dgrp_sysfs_tty_entries[] = { - &dev_attr_state_info.attr, - &dev_attr_baud_info.attr, - &dev_attr_msignals_info.attr, - &dev_attr_iflag_info.attr, - &dev_attr_cflag_info.attr, - &dev_attr_oflag_info.attr, - &dev_attr_digi_flag_info.attr, - &dev_attr_rxcount_info.attr, - &dev_attr_txcount_info.attr, - &dev_attr_custom_name.attr, - NULL -}; - - -static struct attribute_group dgrp_tty_attribute_group = { - .name = NULL, - .attrs = dgrp_sysfs_tty_entries, -}; - - -void dgrp_create_tty_sysfs(struct un_struct *un, struct device *c) -{ - int ret; - - ret = sysfs_create_group(&c->kobj, &dgrp_tty_attribute_group); - if (ret) { - pr_alert("%s: failed to create sysfs tty device attributes.\n", - __func__); - sysfs_remove_group(&c->kobj, &dgrp_tty_attribute_group); - return; - } - - dev_set_drvdata(c, un); - -} - - -void dgrp_remove_tty_sysfs(struct device *c) -{ - sysfs_remove_group(&c->kobj, &dgrp_tty_attribute_group); -} |