/*
- * w1_smem.c
+ * w1_smem.c
*
* Copyright (c) 2004 Evgeniy Polyakov <johnpol@2ka.mipt.ru>
- *
+ *
*
* This program is free software; you can redistribute it and/or modify
* it under the smems of the GNU General Public License as published by
MODULE_AUTHOR("Evgeniy Polyakov <johnpol@2ka.mipt.ru>");
MODULE_DESCRIPTION("Driver for 1-wire Dallas network protocol, 64bit memory family.");
-static ssize_t w1_smem_read_name(struct device *, char *);
-static ssize_t w1_smem_read_val(struct device *, char *);
-static ssize_t w1_smem_read_bin(struct kobject *, char *, loff_t, size_t);
+static struct w1_family w1_smem_family_01 = {
+ .fid = W1_FAMILY_SMEM_01,
+};
-static struct w1_family_ops w1_smem_fops = {
- .rname = &w1_smem_read_name,
- .rbin = &w1_smem_read_bin,
- .rval = &w1_smem_read_val,
- .rvalname = "id",
+static struct w1_family w1_smem_family_81 = {
+ .fid = W1_FAMILY_SMEM_81,
};
-static ssize_t w1_smem_read_name(struct device *dev, char *buf)
+static int __init w1_smem_init(void)
{
- struct w1_slave *sl = container_of(dev, struct w1_slave, dev);
+ int err;
- return sprintf(buf, "%s\n", sl->name);
-}
-
-static ssize_t w1_smem_read_val(struct device *dev, char *buf)
-{
- struct w1_slave *sl = container_of(dev, struct w1_slave, dev);
- int i;
- ssize_t count = 0;
+ err = w1_register_family(&w1_smem_family_01);
+ if (err)
+ return err;
- for (i = 0; i < 8; ++i)
- count += sprintf(buf + count, "%02x ", ((u8 *)&sl->reg_num)[i]);
- count += sprintf(buf + count, "\n");
-
- return count;
-}
-
-static ssize_t w1_smem_read_bin(struct kobject *kobj, char *buf, loff_t off, size_t count)
-{
- struct w1_slave *sl = container_of(container_of(kobj, struct device, kobj),
- struct w1_slave, dev);
- int i;
-
- atomic_inc(&sl->refcnt);
- if (down_interruptible(&sl->master->mutex)) {
- count = 0;
- goto out_dec;
+ err = w1_register_family(&w1_smem_family_81);
+ if (err) {
+ w1_unregister_family(&w1_smem_family_01);
+ return err;
}
- if (off > W1_SLAVE_DATA_SIZE) {
- count = 0;
- goto out;
- }
- if (off + count > W1_SLAVE_DATA_SIZE) {
- count = 0;
- goto out;
- }
- for (i = 0; i < 8; ++i)
- count += sprintf(buf + count, "%02x ", ((u8 *)&sl->reg_num)[i]);
- count += sprintf(buf + count, "\n");
-
-out:
- up(&sl->master->mutex);
-out_dec:
- atomic_dec(&sl->refcnt);
-
- return count;
-}
-
-static struct w1_family w1_smem_family = {
- .fid = W1_FAMILY_SMEM,
- .fops = &w1_smem_fops,
-};
-
-static int __init w1_smem_init(void)
-{
- return w1_register_family(&w1_smem_family);
+ return 0;
}
static void __exit w1_smem_fini(void)
{
- w1_unregister_family(&w1_smem_family);
+ w1_unregister_family(&w1_smem_family_01);
+ w1_unregister_family(&w1_smem_family_81);
}
module_init(w1_smem_init);