X-Git-Url: http://git.onelab.eu/?a=blobdiff_plain;f=drivers%2Fpcmcia%2Fsocket_sysfs.c;h=c5d7476da4712fca78e185be6a6dff74a7b948c2;hb=43bc926fffd92024b46cafaf7350d669ba9ca884;hp=8eed0393821471e1807ba6040bb950e0f24f8571;hpb=cee37fe97739d85991964371c1f3a745c00dd236;p=linux-2.6.git diff --git a/drivers/pcmcia/socket_sysfs.c b/drivers/pcmcia/socket_sysfs.c index 8eed03938..c5d7476da 100644 --- a/drivers/pcmcia/socket_sysfs.c +++ b/drivers/pcmcia/socket_sysfs.c @@ -12,7 +12,6 @@ #include #include #include -#include #include #include #include @@ -25,11 +24,11 @@ #include #include #include +#include #include #include #define IN_CARD_SERVICES -#include #include #include #include @@ -43,35 +42,28 @@ static ssize_t pccard_show_type(struct class_device *dev, char *buf) { - int val; struct pcmcia_socket *s = to_socket(dev); if (!(s->state & SOCKET_PRESENT)) return -ENODEV; - s->ops->get_status(s, &val); - if (val & SS_CARDBUS) + if (s->state & SOCKET_CARDBUS) return sprintf(buf, "32-bit\n"); - if (val & SS_DETECT) - return sprintf(buf, "16-bit\n"); - return sprintf(buf, "invalid\n"); + return sprintf(buf, "16-bit\n"); } -static CLASS_DEVICE_ATTR(card_type, 0400, pccard_show_type, NULL); +static CLASS_DEVICE_ATTR(card_type, 0444, pccard_show_type, NULL); static ssize_t pccard_show_voltage(struct class_device *dev, char *buf) { - int val; struct pcmcia_socket *s = to_socket(dev); if (!(s->state & SOCKET_PRESENT)) return -ENODEV; - s->ops->get_status(s, &val); - if (val & SS_3VCARD) - return sprintf(buf, "3.3V\n"); - if (val & SS_XVCARD) - return sprintf(buf, "X.XV\n"); - return sprintf(buf, "5.0V\n"); + 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 CLASS_DEVICE_ATTR(card_voltage, 0400, pccard_show_voltage, NULL); +static CLASS_DEVICE_ATTR(card_voltage, 0444, pccard_show_voltage, NULL); static ssize_t pccard_show_vpp(struct class_device *dev, char *buf) { @@ -80,7 +72,7 @@ static ssize_t pccard_show_vpp(struct class_device *dev, char *buf) return -ENODEV; return sprintf(buf, "%d.%dV\n", s->socket.Vpp / 10, s->socket.Vpp % 10); } -static CLASS_DEVICE_ATTR(card_vpp, 0400, pccard_show_vpp, NULL); +static CLASS_DEVICE_ATTR(card_vpp, 0444, pccard_show_vpp, NULL); static ssize_t pccard_show_vcc(struct class_device *dev, char *buf) { @@ -89,7 +81,7 @@ static ssize_t pccard_show_vcc(struct class_device *dev, char *buf) return -ENODEV; return sprintf(buf, "%d.%dV\n", s->socket.Vcc / 10, s->socket.Vcc % 10); } -static CLASS_DEVICE_ATTR(card_vcc, 0400, pccard_show_vcc, NULL); +static CLASS_DEVICE_ATTR(card_vcc, 0444, pccard_show_vcc, NULL); static ssize_t pccard_store_insert(struct class_device *dev, const char *buf, size_t count) @@ -106,6 +98,30 @@ static ssize_t pccard_store_insert(struct class_device *dev, const char *buf, si } static CLASS_DEVICE_ATTR(card_insert, 0200, NULL, pccard_store_insert); + +static ssize_t pccard_show_card_pm_state(struct class_device *dev, 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 class_device *dev, const char *buf, size_t count) +{ + ssize_t ret = -EINVAL; + struct pcmcia_socket *s = to_socket(dev); + + if (!count) + return -EINVAL; + + if (!(s->state & SOCKET_SUSPEND) && !strncmp(buf, "off", 3)) + ret = pcmcia_suspend_card(s); + else if ((s->state & SOCKET_SUSPEND) && !strncmp(buf, "on", 2)) + ret = pcmcia_resume_card(s); + + return ret ? -ENODEV : count; +} +static CLASS_DEVICE_ATTR(card_pm_state, 0644, pccard_show_card_pm_state, pccard_store_card_pm_state); + static ssize_t pccard_store_eject(struct class_device *dev, const char *buf, size_t count) { ssize_t ret; @@ -163,28 +179,163 @@ static ssize_t pccard_store_resource(struct class_device *dev, const char *buf, return -EINVAL; spin_lock_irqsave(&s->lock, flags); - if (!s->resource_setup_done) { + if (!s->resource_setup_done) s->resource_setup_done = 1; - spin_unlock_irqrestore(&s->lock, flags); + spin_unlock_irqrestore(&s->lock, flags); + + mutex_lock(&s->skt_mutex); + if ((s->callback) && + (s->state & SOCKET_PRESENT) && + !(s->state & SOCKET_CARDBUS)) { + if (try_module_get(s->callback->owner)) { + s->callback->requery(s); + module_put(s->callback->owner); + } + } + mutex_unlock(&s->skt_mutex); + + return count; +} +static CLASS_DEVICE_ATTR(available_resources_setup_done, 0600, pccard_show_resource, pccard_store_resource); + + +static ssize_t pccard_extract_cis(struct pcmcia_socket *s, char *buf, loff_t off, size_t count) +{ + tuple_t tuple; + int status, i; + loff_t pointer = 0; + ssize_t ret = 0; + u_char *tuplebuffer; + u_char *tempbuffer; + + tuplebuffer = kmalloc(sizeof(u_char) * 256, GFP_KERNEL); + if (!tuplebuffer) + return -ENOMEM; + + tempbuffer = kmalloc(sizeof(u_char) * 258, GFP_KERNEL); + if (!tempbuffer) { + ret = -ENOMEM; + goto free_tuple; + } + + memset(&tuple, 0, sizeof(tuple_t)); + + tuple.Attributes = TUPLE_RETURN_LINK | TUPLE_RETURN_COMMON; + tuple.DesiredTuple = RETURN_FIRST_TUPLE; + tuple.TupleOffset = 0; + + status = pccard_get_first_tuple(s, BIND_FN_ALL, &tuple); + while (!status) { + tuple.TupleData = tuplebuffer; + tuple.TupleDataMax = 255; + memset(tuplebuffer, 0, sizeof(u_char) * 255); + + status = pccard_get_tuple_data(s, &tuple); + if (status) + break; + + if (off < (pointer + 2 + tuple.TupleDataLen)) { + tempbuffer[0] = tuple.TupleCode & 0xff; + tempbuffer[1] = tuple.TupleLink & 0xff; + for (i = 0; i < tuple.TupleDataLen; i++) + tempbuffer[i + 2] = tuplebuffer[i] & 0xff; + + for (i = 0; i < (2 + tuple.TupleDataLen); i++) { + if (((i + pointer) >= off) && + (i + pointer) < (off + count)) { + buf[ret] = tempbuffer[i]; + ret++; + } + } + } + + pointer += 2 + tuple.TupleDataLen; + + if (pointer >= (off + count)) + break; - down(&s->skt_sem); - if ((s->callback) && - (s->state & SOCKET_PRESENT) && + if (tuple.TupleCode == CISTPL_END) + break; + status = pccard_get_next_tuple(s, BIND_FN_ALL, &tuple); + } + + kfree(tempbuffer); + free_tuple: + kfree(tuplebuffer); + + return (ret); +} + +static ssize_t pccard_show_cis(struct kobject *kobj, char *buf, loff_t off, size_t count) +{ + unsigned int size = 0x200; + + if (off >= size) + count = 0; + else { + struct pcmcia_socket *s; + cisinfo_t cisinfo; + + if (off + count > size) + count = size - off; + + s = to_socket(container_of(kobj, struct class_device, kobj)); + + if (!(s->state & SOCKET_PRESENT)) + return -ENODEV; + if (pccard_validate_cis(s, BIND_FN_ALL, &cisinfo)) + return -EIO; + if (!cisinfo.Chains) + return -ENODATA; + + count = pccard_extract_cis(s, buf, off, count); + } + + return (count); +} + +static ssize_t pccard_store_cis(struct kobject *kobj, char *buf, loff_t off, size_t count) +{ + struct pcmcia_socket *s = to_socket(container_of(kobj, struct class_device, kobj)); + cisdump_t *cis; + ssize_t ret = count; + + if (off) + return -EINVAL; + + if (count >= 0x200) + return -EINVAL; + + if (!(s->state & SOCKET_PRESENT)) + return -ENODEV; + + cis = kzalloc(sizeof(cisdump_t), GFP_KERNEL); + if (!cis) + return -ENOMEM; + + cis->Length = count + 1; + memcpy(cis->Data, buf, count); + + if (pcmcia_replace_cis(s, cis)) + ret = -EIO; + + kfree(cis); + + if (!ret) { + mutex_lock(&s->skt_mutex); + if ((s->callback) && (s->state & SOCKET_PRESENT) && !(s->state & SOCKET_CARDBUS)) { if (try_module_get(s->callback->owner)) { - s->callback->resources_done(s); + s->callback->requery(s); module_put(s->callback->owner); } } - up(&s->skt_sem); - - return count; + mutex_unlock(&s->skt_mutex); } - spin_unlock_irqrestore(&s->lock, flags); - return count; + + return (ret); } -static CLASS_DEVICE_ATTR(available_resources_setup_done, 0600, pccard_show_resource, pccard_store_resource); static struct class_device_attribute *pccard_socket_attributes[] = { @@ -193,13 +344,22 @@ static struct class_device_attribute *pccard_socket_attributes[] = { &class_device_attr_card_vpp, &class_device_attr_card_vcc, &class_device_attr_card_insert, + &class_device_attr_card_pm_state, &class_device_attr_card_eject, &class_device_attr_card_irq_mask, &class_device_attr_available_resources_setup_done, NULL, }; -static int __devinit pccard_sysfs_add_socket(struct class_device *class_dev) +static struct bin_attribute pccard_cis_attr = { + .attr = { .name = "cis", .mode = S_IRUGO | S_IWUSR, .owner = THIS_MODULE}, + .size = 0x200, + .read = pccard_show_cis, + .write = pccard_store_cis, +}; + +static int __devinit pccard_sysfs_add_socket(struct class_device *class_dev, + struct class_interface *class_intf) { struct class_device_attribute **attr; int ret = 0; @@ -209,14 +369,18 @@ static int __devinit pccard_sysfs_add_socket(struct class_device *class_dev) if (ret) break; } + if (!ret) + ret = sysfs_create_bin_file(&class_dev->kobj, &pccard_cis_attr); return ret; } -static void __devexit pccard_sysfs_remove_socket(struct class_device *class_dev) +static void __devexit pccard_sysfs_remove_socket(struct class_device *class_dev, + struct class_interface *class_intf) { struct class_device_attribute **attr; + sysfs_remove_bin_file(&class_dev->kobj, &pccard_cis_attr); for (attr = pccard_socket_attributes; *attr; attr++) class_device_remove_file(class_dev, *attr); }