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1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 171 172 173 174 175 176 177 178 179 180 181 182 183 184 185 186 187 188 189 190 191 192 193 194 195 196 197 198 199 200 201 202 203 204 205 206 207 208 209 210 211 212 213 214 215 216 217 218 219 220 221 222 223 224 225 226 227 228 229 230 231 | /* * socket_sysfs.c -- most of socket-related sysfs output * * This program is free software; you can redistribute it and/or modify * it under the terms of the GNU General Public License version 2 as * published by the Free Software Foundation. * * (C) 2003 - 2004 Dominik Brodowski */ #include <linux/module.h> #include <linux/moduleparam.h> #include <linux/init.h> #include <linux/kernel.h> #include <linux/string.h> #include <linux/major.h> #include <linux/errno.h> #include <linux/mm.h> #include <linux/interrupt.h> #include <linux/timer.h> #include <linux/ioport.h> #include <linux/delay.h> #include <linux/pm.h> #include <linux/device.h> #include <linux/mutex.h> #include <asm/irq.h> #include <pcmcia/ss.h> #include <pcmcia/cistpl.h> #include <pcmcia/cisreg.h> #include <pcmcia/ds.h> #include "cs_internal.h" #define to_socket(_dev) container_of(_dev, struct pcmcia_socket, dev) static ssize_t pccard_show_type(struct device *dev, struct device_attribute *attr, char *buf) { struct pcmcia_socket *s = to_socket(dev); if (!(s->state & SOCKET_PRESENT)) return -ENODEV; if (s->state & SOCKET_CARDBUS) return sprintf(buf, "32-bit\n"); return sprintf(buf, "16-bit\n"); } static DEVICE_ATTR(card_type, 0444, pccard_show_type, NULL); static ssize_t pccard_show_voltage(struct device *dev, struct device_attribute *attr, char *buf) { struct pcmcia_socket *s = to_socket(dev); if (!(s->state & SOCKET_PRESENT)) return -ENODEV; if (s->socket.Vcc) return sprintf(buf, "%d.%dV\n", s->socket.Vcc / 10, s->socket.Vcc % 10); return sprintf(buf, "X.XV\n"); } static DEVICE_ATTR(card_voltage, 0444, pccard_show_voltage, NULL); static ssize_t pccard_show_vpp(struct device *dev, struct device_attribute *attr, char *buf) { struct pcmcia_socket *s = to_socket(dev); if (!(s->state & SOCKET_PRESENT)) return -ENODEV; return sprintf(buf, "%d.%dV\n", s->socket.Vpp / 10, s->socket.Vpp % 10); } static DEVICE_ATTR(card_vpp, 0444, pccard_show_vpp, NULL); static ssize_t pccard_show_vcc(struct device *dev, struct device_attribute *attr, char *buf) { struct pcmcia_socket *s = to_socket(dev); if (!(s->state & SOCKET_PRESENT)) return -ENODEV; return sprintf(buf, "%d.%dV\n", s->socket.Vcc / 10, s->socket.Vcc % 10); } static DEVICE_ATTR(card_vcc, 0444, pccard_show_vcc, NULL); static ssize_t pccard_store_insert(struct device *dev, struct device_attribute *attr, const char *buf, size_t count) { struct pcmcia_socket *s = to_socket(dev); if (!count) return -EINVAL; pcmcia_parse_uevents(s, PCMCIA_UEVENT_INSERT); return count; } static DEVICE_ATTR(card_insert, 0200, NULL, pccard_store_insert); static ssize_t pccard_show_card_pm_state(struct device *dev, struct device_attribute *attr, char *buf) { struct pcmcia_socket *s = to_socket(dev); return sprintf(buf, "%s\n", s->state & SOCKET_SUSPEND ? "off" : "on"); } static ssize_t pccard_store_card_pm_state(struct device *dev, struct device_attribute *attr, const char *buf, size_t count) { struct pcmcia_socket *s = to_socket(dev); ssize_t ret = count; if (!count) return -EINVAL; if (!strncmp(buf, "off", 3)) pcmcia_parse_uevents(s, PCMCIA_UEVENT_SUSPEND); else { if (!strncmp(buf, "on", 2)) pcmcia_parse_uevents(s, PCMCIA_UEVENT_RESUME); else ret = -EINVAL; } return ret; } static DEVICE_ATTR(card_pm_state, 0644, pccard_show_card_pm_state, pccard_store_card_pm_state); static ssize_t pccard_store_eject(struct device *dev, struct device_attribute *attr, const char *buf, size_t count) { struct pcmcia_socket *s = to_socket(dev); if (!count) return -EINVAL; pcmcia_parse_uevents(s, PCMCIA_UEVENT_EJECT); return count; } static DEVICE_ATTR(card_eject, 0200, NULL, pccard_store_eject); static ssize_t pccard_show_irq_mask(struct device *dev, struct device_attribute *attr, char *buf) { struct pcmcia_socket *s = to_socket(dev); return sprintf(buf, "0x%04x\n", s->irq_mask); } static ssize_t pccard_store_irq_mask(struct device *dev, struct device_attribute *attr, const char *buf, size_t count) { ssize_t ret; struct pcmcia_socket *s = to_socket(dev); u32 mask; if (!count) return -EINVAL; ret = sscanf(buf, "0x%x\n", &mask); if (ret == 1) { mutex_lock(&s->ops_mutex); s->irq_mask &= mask; mutex_unlock(&s->ops_mutex); ret = 0; } return ret ? ret : count; } static DEVICE_ATTR(card_irq_mask, 0600, pccard_show_irq_mask, pccard_store_irq_mask); static ssize_t pccard_show_resource(struct device *dev, struct device_attribute *attr, char *buf) { struct pcmcia_socket *s = to_socket(dev); return sprintf(buf, "%s\n", s->resource_setup_done ? "yes" : "no"); } static ssize_t pccard_store_resource(struct device *dev, struct device_attribute *attr, const char *buf, size_t count) { struct pcmcia_socket *s = to_socket(dev); if (!count) return -EINVAL; mutex_lock(&s->ops_mutex); if (!s->resource_setup_done) s->resource_setup_done = 1; mutex_unlock(&s->ops_mutex); pcmcia_parse_uevents(s, PCMCIA_UEVENT_REQUERY); return count; } static DEVICE_ATTR(available_resources_setup_done, 0600, pccard_show_resource, pccard_store_resource); static struct attribute *pccard_socket_attributes[] = { &dev_attr_card_type.attr, &dev_attr_card_voltage.attr, &dev_attr_card_vpp.attr, &dev_attr_card_vcc.attr, &dev_attr_card_insert.attr, &dev_attr_card_pm_state.attr, &dev_attr_card_eject.attr, &dev_attr_card_irq_mask.attr, &dev_attr_available_resources_setup_done.attr, NULL, }; static const struct attribute_group socket_attrs = { .attrs = pccard_socket_attributes, }; int pccard_sysfs_add_socket(struct device *dev) { return sysfs_create_group(&dev->kobj, &socket_attrs); } void pccard_sysfs_remove_socket(struct device *dev) { sysfs_remove_group(&dev->kobj, &socket_attrs); } |