diff options
Diffstat (limited to 'drivers/zorro/zorro-sysfs.c')
-rw-r--r-- | drivers/zorro/zorro-sysfs.c | 98 |
1 files changed, 98 insertions, 0 deletions
diff --git a/drivers/zorro/zorro-sysfs.c b/drivers/zorro/zorro-sysfs.c new file mode 100644 index 000000000000..dad03fc33a44 --- /dev/null +++ b/drivers/zorro/zorro-sysfs.c @@ -0,0 +1,98 @@ +/* + * File Attributes for Zorro Devices + * + * Copyright (C) 2003 Geert Uytterhoeven + * + * Loosely based on drivers/pci/pci-sysfs.c + * + * This file is subject to the terms and conditions of the GNU General Public + * License. See the file COPYING in the main directory of this archive + * for more details. + */ + + +#include <linux/kernel.h> +#include <linux/zorro.h> +#include <linux/stat.h> + +#include "zorro.h" + + +/* show configuration fields */ +#define zorro_config_attr(name, field, format_string) \ +static ssize_t \ +show_##name(struct device *dev, char *buf) \ +{ \ + struct zorro_dev *z; \ + \ + z = to_zorro_dev(dev); \ + return sprintf(buf, format_string, z->field); \ +} \ +static DEVICE_ATTR(name, S_IRUGO, show_##name, NULL); + +zorro_config_attr(id, id, "0x%08x\n"); +zorro_config_attr(type, rom.er_Type, "0x%02x\n"); +zorro_config_attr(serial, rom.er_SerialNumber, "0x%08x\n"); +zorro_config_attr(slotaddr, slotaddr, "0x%04x\n"); +zorro_config_attr(slotsize, slotsize, "0x%04x\n"); + +static ssize_t zorro_show_resource(struct device *dev, char *buf) +{ + struct zorro_dev *z = to_zorro_dev(dev); + + return sprintf(buf, "0x%08lx 0x%08lx 0x%08lx\n", + zorro_resource_start(z), zorro_resource_end(z), + zorro_resource_flags(z)); +} + +static DEVICE_ATTR(resource, S_IRUGO, zorro_show_resource, NULL); + +static ssize_t zorro_read_config(struct kobject *kobj, char *buf, loff_t off, + size_t count) +{ + struct zorro_dev *z = to_zorro_dev(container_of(kobj, struct device, + kobj)); + struct ConfigDev cd; + unsigned int size = sizeof(cd); + + if (off > size) + return 0; + if (off+count > size) + count = size-off; + + /* Construct a ConfigDev */ + memset(&cd, 0, sizeof(cd)); + cd.cd_Rom = z->rom; + cd.cd_SlotAddr = z->slotaddr; + cd.cd_SlotSize = z->slotsize; + cd.cd_BoardAddr = (void *)zorro_resource_start(z); + cd.cd_BoardSize = zorro_resource_len(z); + + memcpy(buf, (void *)&cd+off, count); + return count; +} + +static struct bin_attribute zorro_config_attr = { + .attr = { + .name = "config", + .mode = S_IRUGO | S_IWUSR, + .owner = THIS_MODULE + }, + .size = sizeof(struct ConfigDev), + .read = zorro_read_config, +}; + +void zorro_create_sysfs_dev_files(struct zorro_dev *z) +{ + struct device *dev = &z->dev; + + /* current configuration's attributes */ + device_create_file(dev, &dev_attr_id); + device_create_file(dev, &dev_attr_type); + device_create_file(dev, &dev_attr_serial); + device_create_file(dev, &dev_attr_slotaddr); + device_create_file(dev, &dev_attr_slotsize); + device_create_file(dev, &dev_attr_resource); + sysfs_create_bin_file(&dev->kobj, &zorro_config_attr); +} + |