Lidza Louina | 0b99d58 | 2013-08-01 17:00:20 -0400 | [diff] [blame] | 1 | /* |
| 2 | * Copyright 2004 Digi International (www.digi.com) |
| 3 | * Scott H Kilau <Scott_Kilau at digi dot com> |
Lidza Louina | 7a97deb | 2013-08-21 11:08:08 -0400 | [diff] [blame] | 4 | * |
Lidza Louina | 0b99d58 | 2013-08-01 17:00:20 -0400 | [diff] [blame] | 5 | * This program is free software; you can redistribute it and/or modify |
| 6 | * it under the terms of the GNU General Public License as published by |
| 7 | * the Free Software Foundation; either version 2, or (at your option) |
| 8 | * any later version. |
| 9 | * |
| 10 | * This program is distributed in the hope that it will be useful, |
| 11 | * but WITHOUT ANY WARRANTY, EXPRESS OR IMPLIED; without even the |
Lidza Louina | 7a97deb | 2013-08-21 11:08:08 -0400 | [diff] [blame] | 12 | * implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR |
Lidza Louina | 0b99d58 | 2013-08-01 17:00:20 -0400 | [diff] [blame] | 13 | * PURPOSE. See the GNU General Public License for more details. |
Lidza Louina | 0b99d58 | 2013-08-01 17:00:20 -0400 | [diff] [blame] | 14 | */ |
| 15 | |
Lidza Louina | 0b99d58 | 2013-08-01 17:00:20 -0400 | [diff] [blame] | 16 | #include <linux/kernel.h> |
Lidza Louina | 0b99d58 | 2013-08-01 17:00:20 -0400 | [diff] [blame] | 17 | #include <linux/module.h> |
| 18 | #include <linux/ctype.h> |
| 19 | #include <linux/string.h> |
| 20 | #include <linux/serial_reg.h> |
| 21 | #include <linux/device.h> |
| 22 | #include <linux/pci.h> |
| 23 | #include <linux/kdev_t.h> |
Lidza Louina | 7a97deb | 2013-08-21 11:08:08 -0400 | [diff] [blame] | 24 | |
Lidza Louina | 0b99d58 | 2013-08-01 17:00:20 -0400 | [diff] [blame] | 25 | #include "dgnc_driver.h" |
Lidza Louina | 0b99d58 | 2013-08-01 17:00:20 -0400 | [diff] [blame] | 26 | #include "dgnc_mgmt.h" |
| 27 | |
Matias Mucciolo | 0c8de4c | 2016-09-09 12:42:33 -0300 | [diff] [blame] | 28 | static ssize_t version_show(struct device_driver *ddp, char *buf) |
Lidza Louina | 0b99d58 | 2013-08-01 17:00:20 -0400 | [diff] [blame] | 29 | { |
| 30 | return snprintf(buf, PAGE_SIZE, "%s\n", DG_PART); |
| 31 | } |
Matias Mucciolo | 0c8de4c | 2016-09-09 12:42:33 -0300 | [diff] [blame] | 32 | static DRIVER_ATTR_RO(version); |
Lidza Louina | 0b99d58 | 2013-08-01 17:00:20 -0400 | [diff] [blame] | 33 | |
Matias Mucciolo | 0c8de4c | 2016-09-09 12:42:33 -0300 | [diff] [blame] | 34 | static ssize_t boards_show(struct device_driver *ddp, char *buf) |
Lidza Louina | 0b99d58 | 2013-08-01 17:00:20 -0400 | [diff] [blame] | 35 | { |
Daeseok Youn | 80e3e24 | 2016-03-23 20:54:36 +0900 | [diff] [blame] | 36 | return snprintf(buf, PAGE_SIZE, "%d\n", dgnc_num_boards); |
Lidza Louina | 0b99d58 | 2013-08-01 17:00:20 -0400 | [diff] [blame] | 37 | } |
Matias Mucciolo | 0c8de4c | 2016-09-09 12:42:33 -0300 | [diff] [blame] | 38 | static DRIVER_ATTR_RO(boards); |
Lidza Louina | 0b99d58 | 2013-08-01 17:00:20 -0400 | [diff] [blame] | 39 | |
Matias Mucciolo | 0c8de4c | 2016-09-09 12:42:33 -0300 | [diff] [blame] | 40 | static ssize_t maxboards_show(struct device_driver *ddp, char *buf) |
Lidza Louina | 0b99d58 | 2013-08-01 17:00:20 -0400 | [diff] [blame] | 41 | { |
| 42 | return snprintf(buf, PAGE_SIZE, "%d\n", MAXBOARDS); |
| 43 | } |
Matias Mucciolo | 0c8de4c | 2016-09-09 12:42:33 -0300 | [diff] [blame] | 44 | static DRIVER_ATTR_RO(maxboards); |
Lidza Louina | 0b99d58 | 2013-08-01 17:00:20 -0400 | [diff] [blame] | 45 | |
Matias Mucciolo | 0c8de4c | 2016-09-09 12:42:33 -0300 | [diff] [blame] | 46 | static ssize_t pollrate_show(struct device_driver *ddp, char *buf) |
Lidza Louina | 0b99d58 | 2013-08-01 17:00:20 -0400 | [diff] [blame] | 47 | { |
| 48 | return snprintf(buf, PAGE_SIZE, "%dms\n", dgnc_poll_tick); |
| 49 | } |
| 50 | |
Matias Mucciolo | 0c8de4c | 2016-09-09 12:42:33 -0300 | [diff] [blame] | 51 | static ssize_t pollrate_store(struct device_driver *ddp, |
| 52 | const char *buf, size_t count) |
Lidza Louina | 0b99d58 | 2013-08-01 17:00:20 -0400 | [diff] [blame] | 53 | { |
Salah Triki | 51abf45c | 2015-10-04 02:49:48 +0100 | [diff] [blame] | 54 | unsigned long flags; |
| 55 | int tick; |
Roberta Dobrescu | fb33aa4 | 2014-09-20 00:01:39 +0300 | [diff] [blame] | 56 | int ret; |
| 57 | |
Salah Triki | 51abf45c | 2015-10-04 02:49:48 +0100 | [diff] [blame] | 58 | ret = sscanf(buf, "%d\n", &tick); |
Roberta Dobrescu | fb33aa4 | 2014-09-20 00:01:39 +0300 | [diff] [blame] | 59 | if (ret != 1) |
| 60 | return -EINVAL; |
Salah Triki | 51abf45c | 2015-10-04 02:49:48 +0100 | [diff] [blame] | 61 | |
| 62 | spin_lock_irqsave(&dgnc_poll_lock, flags); |
| 63 | dgnc_poll_tick = tick; |
| 64 | spin_unlock_irqrestore(&dgnc_poll_lock, flags); |
| 65 | |
Lidza Louina | 0b99d58 | 2013-08-01 17:00:20 -0400 | [diff] [blame] | 66 | return count; |
| 67 | } |
Matias Mucciolo | 0c8de4c | 2016-09-09 12:42:33 -0300 | [diff] [blame] | 68 | static DRIVER_ATTR_RW(pollrate); |
Lidza Louina | 0b99d58 | 2013-08-01 17:00:20 -0400 | [diff] [blame] | 69 | |
Lidza Louina | 0b99d58 | 2013-08-01 17:00:20 -0400 | [diff] [blame] | 70 | void dgnc_create_driver_sysfiles(struct pci_driver *dgnc_driver) |
| 71 | { |
| 72 | int rc = 0; |
| 73 | struct device_driver *driverfs = &dgnc_driver->driver; |
| 74 | |
| 75 | rc |= driver_create_file(driverfs, &driver_attr_version); |
| 76 | rc |= driver_create_file(driverfs, &driver_attr_boards); |
| 77 | rc |= driver_create_file(driverfs, &driver_attr_maxboards); |
Lidza Louina | 0b99d58 | 2013-08-01 17:00:20 -0400 | [diff] [blame] | 78 | rc |= driver_create_file(driverfs, &driver_attr_pollrate); |
Gulsah Kose | 77b55d8 | 2014-09-21 22:56:15 +0300 | [diff] [blame] | 79 | if (rc) |
Ioana Ciornei | c471c98 | 2015-03-31 02:29:35 +0300 | [diff] [blame] | 80 | pr_err("DGNC: sysfs driver_create_file failed!\n"); |
Lidza Louina | 0b99d58 | 2013-08-01 17:00:20 -0400 | [diff] [blame] | 81 | } |
| 82 | |
Lidza Louina | 0b99d58 | 2013-08-01 17:00:20 -0400 | [diff] [blame] | 83 | void dgnc_remove_driver_sysfiles(struct pci_driver *dgnc_driver) |
| 84 | { |
| 85 | struct device_driver *driverfs = &dgnc_driver->driver; |
Gulsah Kose | e8756d4 | 2014-09-20 19:31:15 +0300 | [diff] [blame] | 86 | |
Lidza Louina | 0b99d58 | 2013-08-01 17:00:20 -0400 | [diff] [blame] | 87 | driver_remove_file(driverfs, &driver_attr_version); |
| 88 | driver_remove_file(driverfs, &driver_attr_boards); |
| 89 | driver_remove_file(driverfs, &driver_attr_maxboards); |
Lidza Louina | 0b99d58 | 2013-08-01 17:00:20 -0400 | [diff] [blame] | 90 | driver_remove_file(driverfs, &driver_attr_pollrate); |
Lidza Louina | 0b99d58 | 2013-08-01 17:00:20 -0400 | [diff] [blame] | 91 | } |
| 92 | |
Jeremiah Mahler | 635c4ef | 2014-07-12 18:26:39 -0700 | [diff] [blame] | 93 | #define DGNC_VERIFY_BOARD(p, bd) \ |
| 94 | do { \ |
| 95 | if (!p) \ |
| 96 | return 0; \ |
| 97 | \ |
| 98 | bd = dev_get_drvdata(p); \ |
| 99 | if (!bd || bd->magic != DGNC_BOARD_MAGIC) \ |
| 100 | return 0; \ |
| 101 | if (bd->state != BOARD_READY) \ |
| 102 | return 0; \ |
| 103 | } while (0) |
Lidza Louina | 0b99d58 | 2013-08-01 17:00:20 -0400 | [diff] [blame] | 104 | |
Matias Mucciolo | 0c8de4c | 2016-09-09 12:42:33 -0300 | [diff] [blame] | 105 | static ssize_t vpd_show(struct device *p, struct device_attribute *attr, |
| 106 | char *buf) |
Lidza Louina | 0b99d58 | 2013-08-01 17:00:20 -0400 | [diff] [blame] | 107 | { |
Lidza Louina | 03425f5 | 2013-09-09 15:01:22 -0400 | [diff] [blame] | 108 | struct dgnc_board *bd; |
Lidza Louina | 0b99d58 | 2013-08-01 17:00:20 -0400 | [diff] [blame] | 109 | int count = 0; |
| 110 | int i = 0; |
| 111 | |
| 112 | DGNC_VERIFY_BOARD(p, bd); |
| 113 | |
Wim de With | 8ad524f | 2015-05-20 14:27:39 +0200 | [diff] [blame] | 114 | count += sprintf(buf + count, |
| 115 | "\n 0 1 2 3 4 5 6 7 8 9 A B C D E F"); |
Lidza Louina | 0b99d58 | 2013-08-01 17:00:20 -0400 | [diff] [blame] | 116 | for (i = 0; i < 0x40 * 2; i++) { |
| 117 | if (!(i % 16)) |
| 118 | count += sprintf(buf + count, "\n%04X ", i * 2); |
| 119 | count += sprintf(buf + count, "%02X ", bd->vpd[i]); |
| 120 | } |
| 121 | count += sprintf(buf + count, "\n"); |
| 122 | |
| 123 | return count; |
| 124 | } |
Matias Mucciolo | 0c8de4c | 2016-09-09 12:42:33 -0300 | [diff] [blame] | 125 | static DEVICE_ATTR_RO(vpd); |
Lidza Louina | 0b99d58 | 2013-08-01 17:00:20 -0400 | [diff] [blame] | 126 | |
Matias Mucciolo | 0c8de4c | 2016-09-09 12:42:33 -0300 | [diff] [blame] | 127 | static ssize_t serial_number_show(struct device *p, |
| 128 | struct device_attribute *attr, char *buf) |
Lidza Louina | 0b99d58 | 2013-08-01 17:00:20 -0400 | [diff] [blame] | 129 | { |
Lidza Louina | 03425f5 | 2013-09-09 15:01:22 -0400 | [diff] [blame] | 130 | struct dgnc_board *bd; |
Lidza Louina | 0b99d58 | 2013-08-01 17:00:20 -0400 | [diff] [blame] | 131 | int count = 0; |
| 132 | |
| 133 | DGNC_VERIFY_BOARD(p, bd); |
| 134 | |
| 135 | if (bd->serial_num[0] == '\0') |
| 136 | count += sprintf(buf + count, "<UNKNOWN>\n"); |
| 137 | else |
| 138 | count += sprintf(buf + count, "%s\n", bd->serial_num); |
| 139 | |
| 140 | return count; |
| 141 | } |
Matias Mucciolo | 0c8de4c | 2016-09-09 12:42:33 -0300 | [diff] [blame] | 142 | static DEVICE_ATTR_RO(serial_number); |
Lidza Louina | 0b99d58 | 2013-08-01 17:00:20 -0400 | [diff] [blame] | 143 | |
Matias Mucciolo | 0c8de4c | 2016-09-09 12:42:33 -0300 | [diff] [blame] | 144 | static ssize_t ports_state_show(struct device *p, |
| 145 | struct device_attribute *attr, char *buf) |
Lidza Louina | 0b99d58 | 2013-08-01 17:00:20 -0400 | [diff] [blame] | 146 | { |
Lidza Louina | 03425f5 | 2013-09-09 15:01:22 -0400 | [diff] [blame] | 147 | struct dgnc_board *bd; |
Lidza Louina | 0b99d58 | 2013-08-01 17:00:20 -0400 | [diff] [blame] | 148 | int count = 0; |
| 149 | int i = 0; |
| 150 | |
| 151 | DGNC_VERIFY_BOARD(p, bd); |
| 152 | |
| 153 | for (i = 0; i < bd->nasync; i++) { |
| 154 | count += snprintf(buf + count, PAGE_SIZE - count, |
| 155 | "%d %s\n", bd->channels[i]->ch_portnum, |
| 156 | bd->channels[i]->ch_open_count ? "Open" : "Closed"); |
| 157 | } |
| 158 | return count; |
| 159 | } |
Matias Mucciolo | 0c8de4c | 2016-09-09 12:42:33 -0300 | [diff] [blame] | 160 | static DEVICE_ATTR_RO(ports_state); |
Lidza Louina | 0b99d58 | 2013-08-01 17:00:20 -0400 | [diff] [blame] | 161 | |
Matias Mucciolo | 0c8de4c | 2016-09-09 12:42:33 -0300 | [diff] [blame] | 162 | static ssize_t ports_baud_show(struct device *p, |
| 163 | struct device_attribute *attr, char *buf) |
Lidza Louina | 0b99d58 | 2013-08-01 17:00:20 -0400 | [diff] [blame] | 164 | { |
Lidza Louina | 03425f5 | 2013-09-09 15:01:22 -0400 | [diff] [blame] | 165 | struct dgnc_board *bd; |
Lidza Louina | 0b99d58 | 2013-08-01 17:00:20 -0400 | [diff] [blame] | 166 | int count = 0; |
| 167 | int i = 0; |
| 168 | |
| 169 | DGNC_VERIFY_BOARD(p, bd); |
| 170 | |
| 171 | for (i = 0; i < bd->nasync; i++) { |
| 172 | count += snprintf(buf + count, PAGE_SIZE - count, |
Wim de With | 8ad524f | 2015-05-20 14:27:39 +0200 | [diff] [blame] | 173 | "%d %d\n", bd->channels[i]->ch_portnum, |
| 174 | bd->channels[i]->ch_old_baud); |
Lidza Louina | 0b99d58 | 2013-08-01 17:00:20 -0400 | [diff] [blame] | 175 | } |
| 176 | return count; |
| 177 | } |
Matias Mucciolo | 0c8de4c | 2016-09-09 12:42:33 -0300 | [diff] [blame] | 178 | static DEVICE_ATTR_RO(ports_baud); |
Lidza Louina | 0b99d58 | 2013-08-01 17:00:20 -0400 | [diff] [blame] | 179 | |
Matias Mucciolo | 0c8de4c | 2016-09-09 12:42:33 -0300 | [diff] [blame] | 180 | static ssize_t ports_msignals_show(struct device *p, |
| 181 | struct device_attribute *attr, char *buf) |
Lidza Louina | 0b99d58 | 2013-08-01 17:00:20 -0400 | [diff] [blame] | 182 | { |
Lidza Louina | 03425f5 | 2013-09-09 15:01:22 -0400 | [diff] [blame] | 183 | struct dgnc_board *bd; |
Lidza Louina | 0b99d58 | 2013-08-01 17:00:20 -0400 | [diff] [blame] | 184 | int count = 0; |
| 185 | int i = 0; |
| 186 | |
| 187 | DGNC_VERIFY_BOARD(p, bd); |
| 188 | |
| 189 | for (i = 0; i < bd->nasync; i++) { |
Daeseok Youn | edd19a2 | 2016-05-09 11:46:50 +0900 | [diff] [blame] | 190 | struct channel_t *ch = bd->channels[i]; |
| 191 | |
| 192 | if (ch->ch_open_count) { |
Lidza Louina | 0b99d58 | 2013-08-01 17:00:20 -0400 | [diff] [blame] | 193 | count += snprintf(buf + count, PAGE_SIZE - count, |
Wim de With | 8ad524f | 2015-05-20 14:27:39 +0200 | [diff] [blame] | 194 | "%d %s %s %s %s %s %s\n", |
Daeseok Youn | edd19a2 | 2016-05-09 11:46:50 +0900 | [diff] [blame] | 195 | ch->ch_portnum, |
| 196 | (ch->ch_mostat & UART_MCR_RTS) ? "RTS" : "", |
| 197 | (ch->ch_mistat & UART_MSR_CTS) ? "CTS" : "", |
| 198 | (ch->ch_mostat & UART_MCR_DTR) ? "DTR" : "", |
| 199 | (ch->ch_mistat & UART_MSR_DSR) ? "DSR" : "", |
| 200 | (ch->ch_mistat & UART_MSR_DCD) ? "DCD" : "", |
| 201 | (ch->ch_mistat & UART_MSR_RI) ? "RI" : ""); |
Lidza Louina | 0b99d58 | 2013-08-01 17:00:20 -0400 | [diff] [blame] | 202 | } else { |
| 203 | count += snprintf(buf + count, PAGE_SIZE - count, |
Daeseok Youn | edd19a2 | 2016-05-09 11:46:50 +0900 | [diff] [blame] | 204 | "%d\n", ch->ch_portnum); |
Lidza Louina | 0b99d58 | 2013-08-01 17:00:20 -0400 | [diff] [blame] | 205 | } |
| 206 | } |
| 207 | return count; |
| 208 | } |
Matias Mucciolo | 0c8de4c | 2016-09-09 12:42:33 -0300 | [diff] [blame] | 209 | static DEVICE_ATTR_RO(ports_msignals); |
Lidza Louina | 0b99d58 | 2013-08-01 17:00:20 -0400 | [diff] [blame] | 210 | |
Matias Mucciolo | 0c8de4c | 2016-09-09 12:42:33 -0300 | [diff] [blame] | 211 | static ssize_t ports_iflag_show(struct device *p, |
| 212 | struct device_attribute *attr, char *buf) |
Lidza Louina | 0b99d58 | 2013-08-01 17:00:20 -0400 | [diff] [blame] | 213 | { |
Lidza Louina | 03425f5 | 2013-09-09 15:01:22 -0400 | [diff] [blame] | 214 | struct dgnc_board *bd; |
Lidza Louina | 0b99d58 | 2013-08-01 17:00:20 -0400 | [diff] [blame] | 215 | int count = 0; |
| 216 | int i = 0; |
| 217 | |
| 218 | DGNC_VERIFY_BOARD(p, bd); |
| 219 | |
| 220 | for (i = 0; i < bd->nasync; i++) { |
| 221 | count += snprintf(buf + count, PAGE_SIZE - count, "%d %x\n", |
Wim de With | 8ad524f | 2015-05-20 14:27:39 +0200 | [diff] [blame] | 222 | bd->channels[i]->ch_portnum, |
| 223 | bd->channels[i]->ch_c_iflag); |
Lidza Louina | 0b99d58 | 2013-08-01 17:00:20 -0400 | [diff] [blame] | 224 | } |
| 225 | return count; |
| 226 | } |
Matias Mucciolo | 0c8de4c | 2016-09-09 12:42:33 -0300 | [diff] [blame] | 227 | static DEVICE_ATTR_RO(ports_iflag); |
Lidza Louina | 0b99d58 | 2013-08-01 17:00:20 -0400 | [diff] [blame] | 228 | |
Matias Mucciolo | 0c8de4c | 2016-09-09 12:42:33 -0300 | [diff] [blame] | 229 | static ssize_t ports_cflag_show(struct device *p, |
| 230 | struct device_attribute *attr, char *buf) |
Lidza Louina | 0b99d58 | 2013-08-01 17:00:20 -0400 | [diff] [blame] | 231 | { |
Lidza Louina | 03425f5 | 2013-09-09 15:01:22 -0400 | [diff] [blame] | 232 | struct dgnc_board *bd; |
Lidza Louina | 0b99d58 | 2013-08-01 17:00:20 -0400 | [diff] [blame] | 233 | int count = 0; |
| 234 | int i = 0; |
| 235 | |
| 236 | DGNC_VERIFY_BOARD(p, bd); |
| 237 | |
| 238 | for (i = 0; i < bd->nasync; i++) { |
| 239 | count += snprintf(buf + count, PAGE_SIZE - count, "%d %x\n", |
Wim de With | 8ad524f | 2015-05-20 14:27:39 +0200 | [diff] [blame] | 240 | bd->channels[i]->ch_portnum, |
| 241 | bd->channels[i]->ch_c_cflag); |
Lidza Louina | 0b99d58 | 2013-08-01 17:00:20 -0400 | [diff] [blame] | 242 | } |
| 243 | return count; |
| 244 | } |
Matias Mucciolo | 0c8de4c | 2016-09-09 12:42:33 -0300 | [diff] [blame] | 245 | static DEVICE_ATTR_RO(ports_cflag); |
Lidza Louina | 0b99d58 | 2013-08-01 17:00:20 -0400 | [diff] [blame] | 246 | |
Matias Mucciolo | 0c8de4c | 2016-09-09 12:42:33 -0300 | [diff] [blame] | 247 | static ssize_t ports_oflag_show(struct device *p, |
| 248 | struct device_attribute *attr, char *buf) |
Lidza Louina | 0b99d58 | 2013-08-01 17:00:20 -0400 | [diff] [blame] | 249 | { |
Lidza Louina | 03425f5 | 2013-09-09 15:01:22 -0400 | [diff] [blame] | 250 | struct dgnc_board *bd; |
Lidza Louina | 0b99d58 | 2013-08-01 17:00:20 -0400 | [diff] [blame] | 251 | int count = 0; |
| 252 | int i = 0; |
| 253 | |
| 254 | DGNC_VERIFY_BOARD(p, bd); |
| 255 | |
| 256 | for (i = 0; i < bd->nasync; i++) { |
| 257 | count += snprintf(buf + count, PAGE_SIZE - count, "%d %x\n", |
Wim de With | 8ad524f | 2015-05-20 14:27:39 +0200 | [diff] [blame] | 258 | bd->channels[i]->ch_portnum, |
| 259 | bd->channels[i]->ch_c_oflag); |
Lidza Louina | 0b99d58 | 2013-08-01 17:00:20 -0400 | [diff] [blame] | 260 | } |
| 261 | return count; |
| 262 | } |
Matias Mucciolo | 0c8de4c | 2016-09-09 12:42:33 -0300 | [diff] [blame] | 263 | static DEVICE_ATTR_RO(ports_oflag); |
Lidza Louina | 0b99d58 | 2013-08-01 17:00:20 -0400 | [diff] [blame] | 264 | |
Matias Mucciolo | 0c8de4c | 2016-09-09 12:42:33 -0300 | [diff] [blame] | 265 | static ssize_t ports_lflag_show(struct device *p, |
| 266 | struct device_attribute *attr, char *buf) |
Lidza Louina | 0b99d58 | 2013-08-01 17:00:20 -0400 | [diff] [blame] | 267 | { |
Lidza Louina | 03425f5 | 2013-09-09 15:01:22 -0400 | [diff] [blame] | 268 | struct dgnc_board *bd; |
Lidza Louina | 0b99d58 | 2013-08-01 17:00:20 -0400 | [diff] [blame] | 269 | int count = 0; |
| 270 | int i = 0; |
| 271 | |
| 272 | DGNC_VERIFY_BOARD(p, bd); |
| 273 | |
| 274 | for (i = 0; i < bd->nasync; i++) { |
| 275 | count += snprintf(buf + count, PAGE_SIZE - count, "%d %x\n", |
Wim de With | 8ad524f | 2015-05-20 14:27:39 +0200 | [diff] [blame] | 276 | bd->channels[i]->ch_portnum, |
| 277 | bd->channels[i]->ch_c_lflag); |
Lidza Louina | 0b99d58 | 2013-08-01 17:00:20 -0400 | [diff] [blame] | 278 | } |
| 279 | return count; |
| 280 | } |
Matias Mucciolo | 0c8de4c | 2016-09-09 12:42:33 -0300 | [diff] [blame] | 281 | static DEVICE_ATTR_RO(ports_lflag); |
Lidza Louina | 0b99d58 | 2013-08-01 17:00:20 -0400 | [diff] [blame] | 282 | |
Matias Mucciolo | 0c8de4c | 2016-09-09 12:42:33 -0300 | [diff] [blame] | 283 | static ssize_t ports_digi_flag_show(struct device *p, |
| 284 | struct device_attribute *attr, char *buf) |
Lidza Louina | 0b99d58 | 2013-08-01 17:00:20 -0400 | [diff] [blame] | 285 | { |
Lidza Louina | 03425f5 | 2013-09-09 15:01:22 -0400 | [diff] [blame] | 286 | struct dgnc_board *bd; |
Lidza Louina | 0b99d58 | 2013-08-01 17:00:20 -0400 | [diff] [blame] | 287 | int count = 0; |
| 288 | int i = 0; |
| 289 | |
| 290 | DGNC_VERIFY_BOARD(p, bd); |
| 291 | |
| 292 | for (i = 0; i < bd->nasync; i++) { |
| 293 | count += snprintf(buf + count, PAGE_SIZE - count, "%d %x\n", |
Wim de With | 8ad524f | 2015-05-20 14:27:39 +0200 | [diff] [blame] | 294 | bd->channels[i]->ch_portnum, |
| 295 | bd->channels[i]->ch_digi.digi_flags); |
Lidza Louina | 0b99d58 | 2013-08-01 17:00:20 -0400 | [diff] [blame] | 296 | } |
| 297 | return count; |
| 298 | } |
Matias Mucciolo | 0c8de4c | 2016-09-09 12:42:33 -0300 | [diff] [blame] | 299 | static DEVICE_ATTR_RO(ports_digi_flag); |
Lidza Louina | 0b99d58 | 2013-08-01 17:00:20 -0400 | [diff] [blame] | 300 | |
Matias Mucciolo | 0c8de4c | 2016-09-09 12:42:33 -0300 | [diff] [blame] | 301 | static ssize_t ports_rxcount_show(struct device *p, |
| 302 | struct device_attribute *attr, char *buf) |
Lidza Louina | 0b99d58 | 2013-08-01 17:00:20 -0400 | [diff] [blame] | 303 | { |
Lidza Louina | 03425f5 | 2013-09-09 15:01:22 -0400 | [diff] [blame] | 304 | struct dgnc_board *bd; |
Lidza Louina | 0b99d58 | 2013-08-01 17:00:20 -0400 | [diff] [blame] | 305 | int count = 0; |
| 306 | int i = 0; |
| 307 | |
| 308 | DGNC_VERIFY_BOARD(p, bd); |
| 309 | |
| 310 | for (i = 0; i < bd->nasync; i++) { |
| 311 | count += snprintf(buf + count, PAGE_SIZE - count, "%d %ld\n", |
Wim de With | 8ad524f | 2015-05-20 14:27:39 +0200 | [diff] [blame] | 312 | bd->channels[i]->ch_portnum, |
| 313 | bd->channels[i]->ch_rxcount); |
Lidza Louina | 0b99d58 | 2013-08-01 17:00:20 -0400 | [diff] [blame] | 314 | } |
| 315 | return count; |
| 316 | } |
Matias Mucciolo | 0c8de4c | 2016-09-09 12:42:33 -0300 | [diff] [blame] | 317 | static DEVICE_ATTR_RO(ports_rxcount); |
Lidza Louina | 0b99d58 | 2013-08-01 17:00:20 -0400 | [diff] [blame] | 318 | |
Matias Mucciolo | 0c8de4c | 2016-09-09 12:42:33 -0300 | [diff] [blame] | 319 | static ssize_t ports_txcount_show(struct device *p, |
| 320 | struct device_attribute *attr, char *buf) |
Lidza Louina | 0b99d58 | 2013-08-01 17:00:20 -0400 | [diff] [blame] | 321 | { |
Lidza Louina | 03425f5 | 2013-09-09 15:01:22 -0400 | [diff] [blame] | 322 | struct dgnc_board *bd; |
Lidza Louina | 0b99d58 | 2013-08-01 17:00:20 -0400 | [diff] [blame] | 323 | int count = 0; |
| 324 | int i = 0; |
| 325 | |
| 326 | DGNC_VERIFY_BOARD(p, bd); |
| 327 | |
| 328 | for (i = 0; i < bd->nasync; i++) { |
| 329 | count += snprintf(buf + count, PAGE_SIZE - count, "%d %ld\n", |
Wim de With | 8ad524f | 2015-05-20 14:27:39 +0200 | [diff] [blame] | 330 | bd->channels[i]->ch_portnum, |
| 331 | bd->channels[i]->ch_txcount); |
Lidza Louina | 0b99d58 | 2013-08-01 17:00:20 -0400 | [diff] [blame] | 332 | } |
| 333 | return count; |
| 334 | } |
Matias Mucciolo | 0c8de4c | 2016-09-09 12:42:33 -0300 | [diff] [blame] | 335 | static DEVICE_ATTR_RO(ports_txcount); |
Lidza Louina | 0b99d58 | 2013-08-01 17:00:20 -0400 | [diff] [blame] | 336 | |
Lidza Louina | 0b99d58 | 2013-08-01 17:00:20 -0400 | [diff] [blame] | 337 | /* this function creates the sys files that will export each signal status |
| 338 | * to sysfs each value will be put in a separate filename |
| 339 | */ |
Lidza Louina | 03425f5 | 2013-09-09 15:01:22 -0400 | [diff] [blame] | 340 | void dgnc_create_ports_sysfiles(struct dgnc_board *bd) |
Lidza Louina | 0b99d58 | 2013-08-01 17:00:20 -0400 | [diff] [blame] | 341 | { |
| 342 | int rc = 0; |
| 343 | |
| 344 | dev_set_drvdata(&bd->pdev->dev, bd); |
Sudip Mukherjee | 7df227c | 2015-10-04 19:50:15 +0530 | [diff] [blame] | 345 | rc |= device_create_file(&bd->pdev->dev, &dev_attr_ports_state); |
| 346 | rc |= device_create_file(&bd->pdev->dev, &dev_attr_ports_baud); |
| 347 | rc |= device_create_file(&bd->pdev->dev, &dev_attr_ports_msignals); |
| 348 | rc |= device_create_file(&bd->pdev->dev, &dev_attr_ports_iflag); |
| 349 | rc |= device_create_file(&bd->pdev->dev, &dev_attr_ports_cflag); |
| 350 | rc |= device_create_file(&bd->pdev->dev, &dev_attr_ports_oflag); |
| 351 | rc |= device_create_file(&bd->pdev->dev, &dev_attr_ports_lflag); |
| 352 | rc |= device_create_file(&bd->pdev->dev, &dev_attr_ports_digi_flag); |
| 353 | rc |= device_create_file(&bd->pdev->dev, &dev_attr_ports_rxcount); |
| 354 | rc |= device_create_file(&bd->pdev->dev, &dev_attr_ports_txcount); |
| 355 | rc |= device_create_file(&bd->pdev->dev, &dev_attr_vpd); |
| 356 | rc |= device_create_file(&bd->pdev->dev, &dev_attr_serial_number); |
Gulsah Kose | 77b55d8 | 2014-09-21 22:56:15 +0300 | [diff] [blame] | 357 | if (rc) |
Cristina Opriceana | c28645e | 2015-02-27 14:10:36 +0200 | [diff] [blame] | 358 | dev_err(&bd->pdev->dev, "dgnc: sysfs device_create_file failed!\n"); |
Lidza Louina | 0b99d58 | 2013-08-01 17:00:20 -0400 | [diff] [blame] | 359 | } |
| 360 | |
Lidza Louina | 0b99d58 | 2013-08-01 17:00:20 -0400 | [diff] [blame] | 361 | /* removes all the sys files created for that port */ |
Lidza Louina | 03425f5 | 2013-09-09 15:01:22 -0400 | [diff] [blame] | 362 | void dgnc_remove_ports_sysfiles(struct dgnc_board *bd) |
Lidza Louina | 0b99d58 | 2013-08-01 17:00:20 -0400 | [diff] [blame] | 363 | { |
Sudip Mukherjee | 7df227c | 2015-10-04 19:50:15 +0530 | [diff] [blame] | 364 | device_remove_file(&bd->pdev->dev, &dev_attr_ports_state); |
| 365 | device_remove_file(&bd->pdev->dev, &dev_attr_ports_baud); |
| 366 | device_remove_file(&bd->pdev->dev, &dev_attr_ports_msignals); |
| 367 | device_remove_file(&bd->pdev->dev, &dev_attr_ports_iflag); |
| 368 | device_remove_file(&bd->pdev->dev, &dev_attr_ports_cflag); |
| 369 | device_remove_file(&bd->pdev->dev, &dev_attr_ports_oflag); |
| 370 | device_remove_file(&bd->pdev->dev, &dev_attr_ports_lflag); |
| 371 | device_remove_file(&bd->pdev->dev, &dev_attr_ports_digi_flag); |
| 372 | device_remove_file(&bd->pdev->dev, &dev_attr_ports_rxcount); |
| 373 | device_remove_file(&bd->pdev->dev, &dev_attr_ports_txcount); |
| 374 | device_remove_file(&bd->pdev->dev, &dev_attr_vpd); |
| 375 | device_remove_file(&bd->pdev->dev, &dev_attr_serial_number); |
Lidza Louina | 0b99d58 | 2013-08-01 17:00:20 -0400 | [diff] [blame] | 376 | } |
| 377 | |
Matias Mucciolo | 0c8de4c | 2016-09-09 12:42:33 -0300 | [diff] [blame] | 378 | static ssize_t tty_state_show(struct device *d, |
| 379 | struct device_attribute *attr, char *buf) |
Lidza Louina | 0b99d58 | 2013-08-01 17:00:20 -0400 | [diff] [blame] | 380 | { |
Lidza Louina | 03425f5 | 2013-09-09 15:01:22 -0400 | [diff] [blame] | 381 | struct dgnc_board *bd; |
Lidza Louina | 0b99d58 | 2013-08-01 17:00:20 -0400 | [diff] [blame] | 382 | struct channel_t *ch; |
| 383 | struct un_t *un; |
| 384 | |
| 385 | if (!d) |
Lidza Louina | 8f90ef8 | 2013-09-09 15:01:23 -0400 | [diff] [blame] | 386 | return 0; |
Jingoo Han | 0e4f66b | 2013-09-26 08:35:49 +0900 | [diff] [blame] | 387 | un = dev_get_drvdata(d); |
Lidza Louina | 0b99d58 | 2013-08-01 17:00:20 -0400 | [diff] [blame] | 388 | if (!un || un->magic != DGNC_UNIT_MAGIC) |
Lidza Louina | 8f90ef8 | 2013-09-09 15:01:23 -0400 | [diff] [blame] | 389 | return 0; |
Lidza Louina | 0b99d58 | 2013-08-01 17:00:20 -0400 | [diff] [blame] | 390 | ch = un->un_ch; |
| 391 | if (!ch || ch->magic != DGNC_CHANNEL_MAGIC) |
Lidza Louina | 8f90ef8 | 2013-09-09 15:01:23 -0400 | [diff] [blame] | 392 | return 0; |
Lidza Louina | 0b99d58 | 2013-08-01 17:00:20 -0400 | [diff] [blame] | 393 | bd = ch->ch_bd; |
| 394 | if (!bd || bd->magic != DGNC_BOARD_MAGIC) |
Lidza Louina | 8f90ef8 | 2013-09-09 15:01:23 -0400 | [diff] [blame] | 395 | return 0; |
Lidza Louina | 0b99d58 | 2013-08-01 17:00:20 -0400 | [diff] [blame] | 396 | if (bd->state != BOARD_READY) |
Lidza Louina | 8f90ef8 | 2013-09-09 15:01:23 -0400 | [diff] [blame] | 397 | return 0; |
Lidza Louina | 0b99d58 | 2013-08-01 17:00:20 -0400 | [diff] [blame] | 398 | |
Wim de With | 8ad524f | 2015-05-20 14:27:39 +0200 | [diff] [blame] | 399 | return snprintf(buf, PAGE_SIZE, "%s", |
| 400 | un->un_open_count ? "Open" : "Closed"); |
Lidza Louina | 0b99d58 | 2013-08-01 17:00:20 -0400 | [diff] [blame] | 401 | } |
Matias Mucciolo | 0c8de4c | 2016-09-09 12:42:33 -0300 | [diff] [blame] | 402 | static DEVICE_ATTR_RO(tty_state); |
Lidza Louina | 0b99d58 | 2013-08-01 17:00:20 -0400 | [diff] [blame] | 403 | |
Matias Mucciolo | 0c8de4c | 2016-09-09 12:42:33 -0300 | [diff] [blame] | 404 | static ssize_t tty_baud_show(struct device *d, |
| 405 | struct device_attribute *attr, char *buf) |
Lidza Louina | 0b99d58 | 2013-08-01 17:00:20 -0400 | [diff] [blame] | 406 | { |
Lidza Louina | 03425f5 | 2013-09-09 15:01:22 -0400 | [diff] [blame] | 407 | struct dgnc_board *bd; |
Lidza Louina | 0b99d58 | 2013-08-01 17:00:20 -0400 | [diff] [blame] | 408 | struct channel_t *ch; |
| 409 | struct un_t *un; |
| 410 | |
| 411 | if (!d) |
Lidza Louina | 8f90ef8 | 2013-09-09 15:01:23 -0400 | [diff] [blame] | 412 | return 0; |
Jingoo Han | 0e4f66b | 2013-09-26 08:35:49 +0900 | [diff] [blame] | 413 | un = dev_get_drvdata(d); |
Lidza Louina | 0b99d58 | 2013-08-01 17:00:20 -0400 | [diff] [blame] | 414 | if (!un || un->magic != DGNC_UNIT_MAGIC) |
Lidza Louina | 8f90ef8 | 2013-09-09 15:01:23 -0400 | [diff] [blame] | 415 | return 0; |
Lidza Louina | 0b99d58 | 2013-08-01 17:00:20 -0400 | [diff] [blame] | 416 | ch = un->un_ch; |
| 417 | if (!ch || ch->magic != DGNC_CHANNEL_MAGIC) |
Lidza Louina | 8f90ef8 | 2013-09-09 15:01:23 -0400 | [diff] [blame] | 418 | return 0; |
Lidza Louina | 0b99d58 | 2013-08-01 17:00:20 -0400 | [diff] [blame] | 419 | bd = ch->ch_bd; |
| 420 | if (!bd || bd->magic != DGNC_BOARD_MAGIC) |
Lidza Louina | 8f90ef8 | 2013-09-09 15:01:23 -0400 | [diff] [blame] | 421 | return 0; |
Lidza Louina | 0b99d58 | 2013-08-01 17:00:20 -0400 | [diff] [blame] | 422 | if (bd->state != BOARD_READY) |
Lidza Louina | 8f90ef8 | 2013-09-09 15:01:23 -0400 | [diff] [blame] | 423 | return 0; |
Lidza Louina | 0b99d58 | 2013-08-01 17:00:20 -0400 | [diff] [blame] | 424 | |
| 425 | return snprintf(buf, PAGE_SIZE, "%d\n", ch->ch_old_baud); |
| 426 | } |
Matias Mucciolo | 0c8de4c | 2016-09-09 12:42:33 -0300 | [diff] [blame] | 427 | static DEVICE_ATTR_RO(tty_baud); |
Lidza Louina | 0b99d58 | 2013-08-01 17:00:20 -0400 | [diff] [blame] | 428 | |
Matias Mucciolo | 0c8de4c | 2016-09-09 12:42:33 -0300 | [diff] [blame] | 429 | static ssize_t tty_msignals_show(struct device *d, |
| 430 | struct device_attribute *attr, char *buf) |
Lidza Louina | 0b99d58 | 2013-08-01 17:00:20 -0400 | [diff] [blame] | 431 | { |
Lidza Louina | 03425f5 | 2013-09-09 15:01:22 -0400 | [diff] [blame] | 432 | struct dgnc_board *bd; |
Lidza Louina | 0b99d58 | 2013-08-01 17:00:20 -0400 | [diff] [blame] | 433 | struct channel_t *ch; |
| 434 | struct un_t *un; |
| 435 | |
| 436 | if (!d) |
Lidza Louina | 8f90ef8 | 2013-09-09 15:01:23 -0400 | [diff] [blame] | 437 | return 0; |
Jingoo Han | 0e4f66b | 2013-09-26 08:35:49 +0900 | [diff] [blame] | 438 | un = dev_get_drvdata(d); |
Lidza Louina | 0b99d58 | 2013-08-01 17:00:20 -0400 | [diff] [blame] | 439 | if (!un || un->magic != DGNC_UNIT_MAGIC) |
Lidza Louina | 8f90ef8 | 2013-09-09 15:01:23 -0400 | [diff] [blame] | 440 | return 0; |
Lidza Louina | 0b99d58 | 2013-08-01 17:00:20 -0400 | [diff] [blame] | 441 | ch = un->un_ch; |
| 442 | if (!ch || ch->magic != DGNC_CHANNEL_MAGIC) |
Lidza Louina | 8f90ef8 | 2013-09-09 15:01:23 -0400 | [diff] [blame] | 443 | return 0; |
Lidza Louina | 0b99d58 | 2013-08-01 17:00:20 -0400 | [diff] [blame] | 444 | bd = ch->ch_bd; |
| 445 | if (!bd || bd->magic != DGNC_BOARD_MAGIC) |
Lidza Louina | 8f90ef8 | 2013-09-09 15:01:23 -0400 | [diff] [blame] | 446 | return 0; |
Lidza Louina | 0b99d58 | 2013-08-01 17:00:20 -0400 | [diff] [blame] | 447 | if (bd->state != BOARD_READY) |
Lidza Louina | 8f90ef8 | 2013-09-09 15:01:23 -0400 | [diff] [blame] | 448 | return 0; |
Lidza Louina | 0b99d58 | 2013-08-01 17:00:20 -0400 | [diff] [blame] | 449 | |
| 450 | if (ch->ch_open_count) { |
| 451 | return snprintf(buf, PAGE_SIZE, "%s %s %s %s %s %s\n", |
| 452 | (ch->ch_mostat & UART_MCR_RTS) ? "RTS" : "", |
| 453 | (ch->ch_mistat & UART_MSR_CTS) ? "CTS" : "", |
| 454 | (ch->ch_mostat & UART_MCR_DTR) ? "DTR" : "", |
| 455 | (ch->ch_mistat & UART_MSR_DSR) ? "DSR" : "", |
| 456 | (ch->ch_mistat & UART_MSR_DCD) ? "DCD" : "", |
| 457 | (ch->ch_mistat & UART_MSR_RI) ? "RI" : ""); |
| 458 | } |
| 459 | return 0; |
| 460 | } |
Matias Mucciolo | 0c8de4c | 2016-09-09 12:42:33 -0300 | [diff] [blame] | 461 | static DEVICE_ATTR_RO(tty_msignals); |
Lidza Louina | 0b99d58 | 2013-08-01 17:00:20 -0400 | [diff] [blame] | 462 | |
Matias Mucciolo | 0c8de4c | 2016-09-09 12:42:33 -0300 | [diff] [blame] | 463 | static ssize_t tty_iflag_show(struct device *d, |
| 464 | struct device_attribute *attr, char *buf) |
Lidza Louina | 0b99d58 | 2013-08-01 17:00:20 -0400 | [diff] [blame] | 465 | { |
Lidza Louina | 03425f5 | 2013-09-09 15:01:22 -0400 | [diff] [blame] | 466 | struct dgnc_board *bd; |
Lidza Louina | 0b99d58 | 2013-08-01 17:00:20 -0400 | [diff] [blame] | 467 | struct channel_t *ch; |
| 468 | struct un_t *un; |
| 469 | |
| 470 | if (!d) |
Lidza Louina | 8f90ef8 | 2013-09-09 15:01:23 -0400 | [diff] [blame] | 471 | return 0; |
Jingoo Han | 0e4f66b | 2013-09-26 08:35:49 +0900 | [diff] [blame] | 472 | un = dev_get_drvdata(d); |
Lidza Louina | 0b99d58 | 2013-08-01 17:00:20 -0400 | [diff] [blame] | 473 | if (!un || un->magic != DGNC_UNIT_MAGIC) |
Lidza Louina | 8f90ef8 | 2013-09-09 15:01:23 -0400 | [diff] [blame] | 474 | return 0; |
Lidza Louina | 0b99d58 | 2013-08-01 17:00:20 -0400 | [diff] [blame] | 475 | ch = un->un_ch; |
| 476 | if (!ch || ch->magic != DGNC_CHANNEL_MAGIC) |
Lidza Louina | 8f90ef8 | 2013-09-09 15:01:23 -0400 | [diff] [blame] | 477 | return 0; |
Lidza Louina | 0b99d58 | 2013-08-01 17:00:20 -0400 | [diff] [blame] | 478 | bd = ch->ch_bd; |
| 479 | if (!bd || bd->magic != DGNC_BOARD_MAGIC) |
Lidza Louina | 8f90ef8 | 2013-09-09 15:01:23 -0400 | [diff] [blame] | 480 | return 0; |
Lidza Louina | 0b99d58 | 2013-08-01 17:00:20 -0400 | [diff] [blame] | 481 | if (bd->state != BOARD_READY) |
Lidza Louina | 8f90ef8 | 2013-09-09 15:01:23 -0400 | [diff] [blame] | 482 | return 0; |
Lidza Louina | 0b99d58 | 2013-08-01 17:00:20 -0400 | [diff] [blame] | 483 | |
| 484 | return snprintf(buf, PAGE_SIZE, "%x\n", ch->ch_c_iflag); |
| 485 | } |
Matias Mucciolo | 0c8de4c | 2016-09-09 12:42:33 -0300 | [diff] [blame] | 486 | static DEVICE_ATTR_RO(tty_iflag); |
Lidza Louina | 0b99d58 | 2013-08-01 17:00:20 -0400 | [diff] [blame] | 487 | |
Matias Mucciolo | 0c8de4c | 2016-09-09 12:42:33 -0300 | [diff] [blame] | 488 | static ssize_t tty_cflag_show(struct device *d, |
| 489 | struct device_attribute *attr, char *buf) |
Lidza Louina | 0b99d58 | 2013-08-01 17:00:20 -0400 | [diff] [blame] | 490 | { |
Lidza Louina | 03425f5 | 2013-09-09 15:01:22 -0400 | [diff] [blame] | 491 | struct dgnc_board *bd; |
Lidza Louina | 0b99d58 | 2013-08-01 17:00:20 -0400 | [diff] [blame] | 492 | struct channel_t *ch; |
| 493 | struct un_t *un; |
| 494 | |
| 495 | if (!d) |
Lidza Louina | 8f90ef8 | 2013-09-09 15:01:23 -0400 | [diff] [blame] | 496 | return 0; |
Jingoo Han | 0e4f66b | 2013-09-26 08:35:49 +0900 | [diff] [blame] | 497 | un = dev_get_drvdata(d); |
Lidza Louina | 0b99d58 | 2013-08-01 17:00:20 -0400 | [diff] [blame] | 498 | if (!un || un->magic != DGNC_UNIT_MAGIC) |
Lidza Louina | 8f90ef8 | 2013-09-09 15:01:23 -0400 | [diff] [blame] | 499 | return 0; |
Lidza Louina | 0b99d58 | 2013-08-01 17:00:20 -0400 | [diff] [blame] | 500 | ch = un->un_ch; |
| 501 | if (!ch || ch->magic != DGNC_CHANNEL_MAGIC) |
Lidza Louina | 8f90ef8 | 2013-09-09 15:01:23 -0400 | [diff] [blame] | 502 | return 0; |
Lidza Louina | 0b99d58 | 2013-08-01 17:00:20 -0400 | [diff] [blame] | 503 | bd = ch->ch_bd; |
| 504 | if (!bd || bd->magic != DGNC_BOARD_MAGIC) |
Lidza Louina | 8f90ef8 | 2013-09-09 15:01:23 -0400 | [diff] [blame] | 505 | return 0; |
Lidza Louina | 0b99d58 | 2013-08-01 17:00:20 -0400 | [diff] [blame] | 506 | if (bd->state != BOARD_READY) |
Lidza Louina | 8f90ef8 | 2013-09-09 15:01:23 -0400 | [diff] [blame] | 507 | return 0; |
Lidza Louina | 0b99d58 | 2013-08-01 17:00:20 -0400 | [diff] [blame] | 508 | |
| 509 | return snprintf(buf, PAGE_SIZE, "%x\n", ch->ch_c_cflag); |
| 510 | } |
Matias Mucciolo | 0c8de4c | 2016-09-09 12:42:33 -0300 | [diff] [blame] | 511 | static DEVICE_ATTR_RO(tty_cflag); |
Lidza Louina | 0b99d58 | 2013-08-01 17:00:20 -0400 | [diff] [blame] | 512 | |
Matias Mucciolo | 0c8de4c | 2016-09-09 12:42:33 -0300 | [diff] [blame] | 513 | static ssize_t tty_oflag_show(struct device *d, |
| 514 | struct device_attribute *attr, char *buf) |
Lidza Louina | 0b99d58 | 2013-08-01 17:00:20 -0400 | [diff] [blame] | 515 | { |
Lidza Louina | 03425f5 | 2013-09-09 15:01:22 -0400 | [diff] [blame] | 516 | struct dgnc_board *bd; |
Lidza Louina | 0b99d58 | 2013-08-01 17:00:20 -0400 | [diff] [blame] | 517 | struct channel_t *ch; |
| 518 | struct un_t *un; |
| 519 | |
| 520 | if (!d) |
Lidza Louina | 8f90ef8 | 2013-09-09 15:01:23 -0400 | [diff] [blame] | 521 | return 0; |
Jingoo Han | 0e4f66b | 2013-09-26 08:35:49 +0900 | [diff] [blame] | 522 | un = dev_get_drvdata(d); |
Lidza Louina | 0b99d58 | 2013-08-01 17:00:20 -0400 | [diff] [blame] | 523 | if (!un || un->magic != DGNC_UNIT_MAGIC) |
Lidza Louina | 8f90ef8 | 2013-09-09 15:01:23 -0400 | [diff] [blame] | 524 | return 0; |
Lidza Louina | 0b99d58 | 2013-08-01 17:00:20 -0400 | [diff] [blame] | 525 | ch = un->un_ch; |
| 526 | if (!ch || ch->magic != DGNC_CHANNEL_MAGIC) |
Lidza Louina | 8f90ef8 | 2013-09-09 15:01:23 -0400 | [diff] [blame] | 527 | return 0; |
Lidza Louina | 0b99d58 | 2013-08-01 17:00:20 -0400 | [diff] [blame] | 528 | bd = ch->ch_bd; |
| 529 | if (!bd || bd->magic != DGNC_BOARD_MAGIC) |
Lidza Louina | 8f90ef8 | 2013-09-09 15:01:23 -0400 | [diff] [blame] | 530 | return 0; |
Lidza Louina | 0b99d58 | 2013-08-01 17:00:20 -0400 | [diff] [blame] | 531 | if (bd->state != BOARD_READY) |
Lidza Louina | 8f90ef8 | 2013-09-09 15:01:23 -0400 | [diff] [blame] | 532 | return 0; |
Lidza Louina | 0b99d58 | 2013-08-01 17:00:20 -0400 | [diff] [blame] | 533 | |
| 534 | return snprintf(buf, PAGE_SIZE, "%x\n", ch->ch_c_oflag); |
| 535 | } |
Matias Mucciolo | 0c8de4c | 2016-09-09 12:42:33 -0300 | [diff] [blame] | 536 | static DEVICE_ATTR_RO(tty_oflag); |
Lidza Louina | 0b99d58 | 2013-08-01 17:00:20 -0400 | [diff] [blame] | 537 | |
Matias Mucciolo | 0c8de4c | 2016-09-09 12:42:33 -0300 | [diff] [blame] | 538 | static ssize_t tty_lflag_show(struct device *d, |
| 539 | struct device_attribute *attr, char *buf) |
Lidza Louina | 0b99d58 | 2013-08-01 17:00:20 -0400 | [diff] [blame] | 540 | { |
Lidza Louina | 03425f5 | 2013-09-09 15:01:22 -0400 | [diff] [blame] | 541 | struct dgnc_board *bd; |
Lidza Louina | 0b99d58 | 2013-08-01 17:00:20 -0400 | [diff] [blame] | 542 | struct channel_t *ch; |
| 543 | struct un_t *un; |
| 544 | |
| 545 | if (!d) |
Lidza Louina | 8f90ef8 | 2013-09-09 15:01:23 -0400 | [diff] [blame] | 546 | return 0; |
Jingoo Han | 0e4f66b | 2013-09-26 08:35:49 +0900 | [diff] [blame] | 547 | un = dev_get_drvdata(d); |
Lidza Louina | 0b99d58 | 2013-08-01 17:00:20 -0400 | [diff] [blame] | 548 | if (!un || un->magic != DGNC_UNIT_MAGIC) |
Lidza Louina | 8f90ef8 | 2013-09-09 15:01:23 -0400 | [diff] [blame] | 549 | return 0; |
Lidza Louina | 0b99d58 | 2013-08-01 17:00:20 -0400 | [diff] [blame] | 550 | ch = un->un_ch; |
| 551 | if (!ch || ch->magic != DGNC_CHANNEL_MAGIC) |
Lidza Louina | 8f90ef8 | 2013-09-09 15:01:23 -0400 | [diff] [blame] | 552 | return 0; |
Lidza Louina | 0b99d58 | 2013-08-01 17:00:20 -0400 | [diff] [blame] | 553 | bd = ch->ch_bd; |
| 554 | if (!bd || bd->magic != DGNC_BOARD_MAGIC) |
Lidza Louina | 8f90ef8 | 2013-09-09 15:01:23 -0400 | [diff] [blame] | 555 | return 0; |
Lidza Louina | 0b99d58 | 2013-08-01 17:00:20 -0400 | [diff] [blame] | 556 | if (bd->state != BOARD_READY) |
Lidza Louina | 8f90ef8 | 2013-09-09 15:01:23 -0400 | [diff] [blame] | 557 | return 0; |
Lidza Louina | 0b99d58 | 2013-08-01 17:00:20 -0400 | [diff] [blame] | 558 | |
| 559 | return snprintf(buf, PAGE_SIZE, "%x\n", ch->ch_c_lflag); |
| 560 | } |
Matias Mucciolo | 0c8de4c | 2016-09-09 12:42:33 -0300 | [diff] [blame] | 561 | static DEVICE_ATTR_RO(tty_lflag); |
Lidza Louina | 0b99d58 | 2013-08-01 17:00:20 -0400 | [diff] [blame] | 562 | |
Matias Mucciolo | 0c8de4c | 2016-09-09 12:42:33 -0300 | [diff] [blame] | 563 | static ssize_t tty_digi_flag_show(struct device *d, |
| 564 | struct device_attribute *attr, char *buf) |
Lidza Louina | 0b99d58 | 2013-08-01 17:00:20 -0400 | [diff] [blame] | 565 | { |
Lidza Louina | 03425f5 | 2013-09-09 15:01:22 -0400 | [diff] [blame] | 566 | struct dgnc_board *bd; |
Lidza Louina | 0b99d58 | 2013-08-01 17:00:20 -0400 | [diff] [blame] | 567 | struct channel_t *ch; |
| 568 | struct un_t *un; |
| 569 | |
| 570 | if (!d) |
Lidza Louina | 8f90ef8 | 2013-09-09 15:01:23 -0400 | [diff] [blame] | 571 | return 0; |
Jingoo Han | 0e4f66b | 2013-09-26 08:35:49 +0900 | [diff] [blame] | 572 | un = dev_get_drvdata(d); |
Lidza Louina | 0b99d58 | 2013-08-01 17:00:20 -0400 | [diff] [blame] | 573 | if (!un || un->magic != DGNC_UNIT_MAGIC) |
Lidza Louina | 8f90ef8 | 2013-09-09 15:01:23 -0400 | [diff] [blame] | 574 | return 0; |
Lidza Louina | 0b99d58 | 2013-08-01 17:00:20 -0400 | [diff] [blame] | 575 | ch = un->un_ch; |
| 576 | if (!ch || ch->magic != DGNC_CHANNEL_MAGIC) |
Lidza Louina | 8f90ef8 | 2013-09-09 15:01:23 -0400 | [diff] [blame] | 577 | return 0; |
Lidza Louina | 0b99d58 | 2013-08-01 17:00:20 -0400 | [diff] [blame] | 578 | bd = ch->ch_bd; |
| 579 | if (!bd || bd->magic != DGNC_BOARD_MAGIC) |
Lidza Louina | 8f90ef8 | 2013-09-09 15:01:23 -0400 | [diff] [blame] | 580 | return 0; |
Lidza Louina | 0b99d58 | 2013-08-01 17:00:20 -0400 | [diff] [blame] | 581 | if (bd->state != BOARD_READY) |
Lidza Louina | 8f90ef8 | 2013-09-09 15:01:23 -0400 | [diff] [blame] | 582 | return 0; |
Lidza Louina | 0b99d58 | 2013-08-01 17:00:20 -0400 | [diff] [blame] | 583 | |
| 584 | return snprintf(buf, PAGE_SIZE, "%x\n", ch->ch_digi.digi_flags); |
| 585 | } |
Matias Mucciolo | 0c8de4c | 2016-09-09 12:42:33 -0300 | [diff] [blame] | 586 | static DEVICE_ATTR_RO(tty_digi_flag); |
Lidza Louina | 0b99d58 | 2013-08-01 17:00:20 -0400 | [diff] [blame] | 587 | |
Matias Mucciolo | 0c8de4c | 2016-09-09 12:42:33 -0300 | [diff] [blame] | 588 | static ssize_t tty_rxcount_show(struct device *d, |
| 589 | struct device_attribute *attr, char *buf) |
Lidza Louina | 0b99d58 | 2013-08-01 17:00:20 -0400 | [diff] [blame] | 590 | { |
Lidza Louina | 03425f5 | 2013-09-09 15:01:22 -0400 | [diff] [blame] | 591 | struct dgnc_board *bd; |
Lidza Louina | 0b99d58 | 2013-08-01 17:00:20 -0400 | [diff] [blame] | 592 | struct channel_t *ch; |
| 593 | struct un_t *un; |
| 594 | |
| 595 | if (!d) |
Lidza Louina | 8f90ef8 | 2013-09-09 15:01:23 -0400 | [diff] [blame] | 596 | return 0; |
Jingoo Han | 0e4f66b | 2013-09-26 08:35:49 +0900 | [diff] [blame] | 597 | un = dev_get_drvdata(d); |
Lidza Louina | 0b99d58 | 2013-08-01 17:00:20 -0400 | [diff] [blame] | 598 | if (!un || un->magic != DGNC_UNIT_MAGIC) |
Lidza Louina | 8f90ef8 | 2013-09-09 15:01:23 -0400 | [diff] [blame] | 599 | return 0; |
Lidza Louina | 0b99d58 | 2013-08-01 17:00:20 -0400 | [diff] [blame] | 600 | ch = un->un_ch; |
| 601 | if (!ch || ch->magic != DGNC_CHANNEL_MAGIC) |
Lidza Louina | 8f90ef8 | 2013-09-09 15:01:23 -0400 | [diff] [blame] | 602 | return 0; |
Lidza Louina | 0b99d58 | 2013-08-01 17:00:20 -0400 | [diff] [blame] | 603 | bd = ch->ch_bd; |
| 604 | if (!bd || bd->magic != DGNC_BOARD_MAGIC) |
Lidza Louina | 8f90ef8 | 2013-09-09 15:01:23 -0400 | [diff] [blame] | 605 | return 0; |
Lidza Louina | 0b99d58 | 2013-08-01 17:00:20 -0400 | [diff] [blame] | 606 | if (bd->state != BOARD_READY) |
Lidza Louina | 8f90ef8 | 2013-09-09 15:01:23 -0400 | [diff] [blame] | 607 | return 0; |
Lidza Louina | 0b99d58 | 2013-08-01 17:00:20 -0400 | [diff] [blame] | 608 | |
| 609 | return snprintf(buf, PAGE_SIZE, "%ld\n", ch->ch_rxcount); |
| 610 | } |
Matias Mucciolo | 0c8de4c | 2016-09-09 12:42:33 -0300 | [diff] [blame] | 611 | static DEVICE_ATTR_RO(tty_rxcount); |
Lidza Louina | 0b99d58 | 2013-08-01 17:00:20 -0400 | [diff] [blame] | 612 | |
Matias Mucciolo | 0c8de4c | 2016-09-09 12:42:33 -0300 | [diff] [blame] | 613 | static ssize_t tty_txcount_show(struct device *d, |
| 614 | struct device_attribute *attr, char *buf) |
Lidza Louina | 0b99d58 | 2013-08-01 17:00:20 -0400 | [diff] [blame] | 615 | { |
Lidza Louina | 03425f5 | 2013-09-09 15:01:22 -0400 | [diff] [blame] | 616 | struct dgnc_board *bd; |
Lidza Louina | 0b99d58 | 2013-08-01 17:00:20 -0400 | [diff] [blame] | 617 | struct channel_t *ch; |
| 618 | struct un_t *un; |
| 619 | |
| 620 | if (!d) |
Lidza Louina | 8f90ef8 | 2013-09-09 15:01:23 -0400 | [diff] [blame] | 621 | return 0; |
Jingoo Han | 0e4f66b | 2013-09-26 08:35:49 +0900 | [diff] [blame] | 622 | un = dev_get_drvdata(d); |
Lidza Louina | 0b99d58 | 2013-08-01 17:00:20 -0400 | [diff] [blame] | 623 | if (!un || un->magic != DGNC_UNIT_MAGIC) |
Lidza Louina | 8f90ef8 | 2013-09-09 15:01:23 -0400 | [diff] [blame] | 624 | return 0; |
Lidza Louina | 0b99d58 | 2013-08-01 17:00:20 -0400 | [diff] [blame] | 625 | ch = un->un_ch; |
| 626 | if (!ch || ch->magic != DGNC_CHANNEL_MAGIC) |
Lidza Louina | 8f90ef8 | 2013-09-09 15:01:23 -0400 | [diff] [blame] | 627 | return 0; |
Lidza Louina | 0b99d58 | 2013-08-01 17:00:20 -0400 | [diff] [blame] | 628 | bd = ch->ch_bd; |
| 629 | if (!bd || bd->magic != DGNC_BOARD_MAGIC) |
Lidza Louina | 8f90ef8 | 2013-09-09 15:01:23 -0400 | [diff] [blame] | 630 | return 0; |
Lidza Louina | 0b99d58 | 2013-08-01 17:00:20 -0400 | [diff] [blame] | 631 | if (bd->state != BOARD_READY) |
Lidza Louina | 8f90ef8 | 2013-09-09 15:01:23 -0400 | [diff] [blame] | 632 | return 0; |
Lidza Louina | 0b99d58 | 2013-08-01 17:00:20 -0400 | [diff] [blame] | 633 | |
| 634 | return snprintf(buf, PAGE_SIZE, "%ld\n", ch->ch_txcount); |
| 635 | } |
Matias Mucciolo | 0c8de4c | 2016-09-09 12:42:33 -0300 | [diff] [blame] | 636 | static DEVICE_ATTR_RO(tty_txcount); |
Lidza Louina | 0b99d58 | 2013-08-01 17:00:20 -0400 | [diff] [blame] | 637 | |
Matias Mucciolo | 0c8de4c | 2016-09-09 12:42:33 -0300 | [diff] [blame] | 638 | static ssize_t tty_custom_name_show(struct device *d, |
| 639 | struct device_attribute *attr, char *buf) |
Lidza Louina | 0b99d58 | 2013-08-01 17:00:20 -0400 | [diff] [blame] | 640 | { |
Lidza Louina | 03425f5 | 2013-09-09 15:01:22 -0400 | [diff] [blame] | 641 | struct dgnc_board *bd; |
Lidza Louina | 0b99d58 | 2013-08-01 17:00:20 -0400 | [diff] [blame] | 642 | struct channel_t *ch; |
| 643 | struct un_t *un; |
| 644 | |
| 645 | if (!d) |
Lidza Louina | 8f90ef8 | 2013-09-09 15:01:23 -0400 | [diff] [blame] | 646 | return 0; |
Jingoo Han | 0e4f66b | 2013-09-26 08:35:49 +0900 | [diff] [blame] | 647 | un = dev_get_drvdata(d); |
Lidza Louina | 0b99d58 | 2013-08-01 17:00:20 -0400 | [diff] [blame] | 648 | if (!un || un->magic != DGNC_UNIT_MAGIC) |
Lidza Louina | 8f90ef8 | 2013-09-09 15:01:23 -0400 | [diff] [blame] | 649 | return 0; |
Lidza Louina | 0b99d58 | 2013-08-01 17:00:20 -0400 | [diff] [blame] | 650 | ch = un->un_ch; |
| 651 | if (!ch || ch->magic != DGNC_CHANNEL_MAGIC) |
Lidza Louina | 8f90ef8 | 2013-09-09 15:01:23 -0400 | [diff] [blame] | 652 | return 0; |
Lidza Louina | 0b99d58 | 2013-08-01 17:00:20 -0400 | [diff] [blame] | 653 | bd = ch->ch_bd; |
| 654 | if (!bd || bd->magic != DGNC_BOARD_MAGIC) |
Lidza Louina | 8f90ef8 | 2013-09-09 15:01:23 -0400 | [diff] [blame] | 655 | return 0; |
Lidza Louina | 0b99d58 | 2013-08-01 17:00:20 -0400 | [diff] [blame] | 656 | if (bd->state != BOARD_READY) |
Lidza Louina | 8f90ef8 | 2013-09-09 15:01:23 -0400 | [diff] [blame] | 657 | return 0; |
Lidza Louina | 0b99d58 | 2013-08-01 17:00:20 -0400 | [diff] [blame] | 658 | |
| 659 | return snprintf(buf, PAGE_SIZE, "%sn%d%c\n", |
| 660 | (un->un_type == DGNC_PRINT) ? "pr" : "tty", |
| 661 | bd->boardnum + 1, 'a' + ch->ch_portnum); |
| 662 | } |
Matias Mucciolo | 0c8de4c | 2016-09-09 12:42:33 -0300 | [diff] [blame] | 663 | static DEVICE_ATTR_RO(tty_custom_name); |
Lidza Louina | 0b99d58 | 2013-08-01 17:00:20 -0400 | [diff] [blame] | 664 | |
Lidza Louina | 0b99d58 | 2013-08-01 17:00:20 -0400 | [diff] [blame] | 665 | static struct attribute *dgnc_sysfs_tty_entries[] = { |
Matias Mucciolo | 0c8de4c | 2016-09-09 12:42:33 -0300 | [diff] [blame] | 666 | &dev_attr_tty_state.attr, |
| 667 | &dev_attr_tty_baud.attr, |
| 668 | &dev_attr_tty_msignals.attr, |
| 669 | &dev_attr_tty_iflag.attr, |
| 670 | &dev_attr_tty_cflag.attr, |
| 671 | &dev_attr_tty_oflag.attr, |
| 672 | &dev_attr_tty_lflag.attr, |
| 673 | &dev_attr_tty_digi_flag.attr, |
| 674 | &dev_attr_tty_rxcount.attr, |
| 675 | &dev_attr_tty_txcount.attr, |
| 676 | &dev_attr_tty_custom_name.attr, |
Lidza Louina | 0b99d58 | 2013-08-01 17:00:20 -0400 | [diff] [blame] | 677 | NULL |
| 678 | }; |
| 679 | |
Bhumika Goyal | 7b346da | 2016-09-29 20:18:54 +0530 | [diff] [blame] | 680 | static const struct attribute_group dgnc_tty_attribute_group = { |
Lidza Louina | 0a60eb3 | 2013-08-21 13:30:10 -0400 | [diff] [blame] | 681 | .name = NULL, |
| 682 | .attrs = dgnc_sysfs_tty_entries, |
Lidza Louina | 0b99d58 | 2013-08-01 17:00:20 -0400 | [diff] [blame] | 683 | }; |
| 684 | |
Lidza Louina | 0b99d58 | 2013-08-01 17:00:20 -0400 | [diff] [blame] | 685 | void dgnc_create_tty_sysfs(struct un_t *un, struct device *c) |
| 686 | { |
| 687 | int ret; |
| 688 | |
| 689 | ret = sysfs_create_group(&c->kobj, &dgnc_tty_attribute_group); |
| 690 | if (ret) { |
Martin Kepplinger | 0f33ae1 | 2014-04-29 11:43:08 +0200 | [diff] [blame] | 691 | dev_err(c, "dgnc: failed to create sysfs tty device attributes.\n"); |
Lidza Louina | 0b99d58 | 2013-08-01 17:00:20 -0400 | [diff] [blame] | 692 | sysfs_remove_group(&c->kobj, &dgnc_tty_attribute_group); |
| 693 | return; |
| 694 | } |
| 695 | |
| 696 | dev_set_drvdata(c, un); |
Lidza Louina | 0b99d58 | 2013-08-01 17:00:20 -0400 | [diff] [blame] | 697 | } |
| 698 | |
Lidza Louina | 0b99d58 | 2013-08-01 17:00:20 -0400 | [diff] [blame] | 699 | void dgnc_remove_tty_sysfs(struct device *c) |
| 700 | { |
| 701 | sysfs_remove_group(&c->kobj, &dgnc_tty_attribute_group); |
| 702 | } |
| 703 | |