1 /* 2 * File Attributes for Zorro Devices 3 * 4 * Copyright (C) 2003 Geert Uytterhoeven 5 * 6 * Loosely based on drivers/pci/pci-sysfs.c 7 * 8 * This file is subject to the terms and conditions of the GNU General Public 9 * License. See the file COPYING in the main directory of this archive 10 * for more details. 11 */ 12 13 14 #include <linux/kernel.h> 15 #include <linux/zorro.h> 16 #include <linux/stat.h> 17 #include <linux/string.h> 18 19 #include "zorro.h" 20 21 22 /* show configuration fields */ 23 #define zorro_config_attr(name, field, format_string) \ 24 static ssize_t \ 25 show_##name(struct device *dev, struct device_attribute *attr, char *buf) \ 26 { \ 27 struct zorro_dev *z; \ 28 \ 29 z = to_zorro_dev(dev); \ 30 return sprintf(buf, format_string, z->field); \ 31 } \ 32 static DEVICE_ATTR(name, S_IRUGO, show_##name, NULL); 33 34 zorro_config_attr(id, id, "0x%08x\n"); 35 zorro_config_attr(type, rom.er_Type, "0x%02x\n"); 36 zorro_config_attr(serial, rom.er_SerialNumber, "0x%08x\n"); 37 zorro_config_attr(slotaddr, slotaddr, "0x%04x\n"); 38 zorro_config_attr(slotsize, slotsize, "0x%04x\n"); 39 40 static ssize_t zorro_show_resource(struct device *dev, struct device_attribute *attr, char *buf) 41 { 42 struct zorro_dev *z = to_zorro_dev(dev); 43 44 return sprintf(buf, "0x%08lx 0x%08lx 0x%08lx\n", 45 zorro_resource_start(z), zorro_resource_end(z), 46 zorro_resource_flags(z)); 47 } 48 49 static DEVICE_ATTR(resource, S_IRUGO, zorro_show_resource, NULL); 50 51 static ssize_t zorro_read_config(struct kobject *kobj, char *buf, loff_t off, 52 size_t count) 53 { 54 struct zorro_dev *z = to_zorro_dev(container_of(kobj, struct device, 55 kobj)); 56 struct ConfigDev cd; 57 unsigned int size = sizeof(cd); 58 59 if (off > size) 60 return 0; 61 if (off+count > size) 62 count = size-off; 63 64 /* Construct a ConfigDev */ 65 memset(&cd, 0, sizeof(cd)); 66 cd.cd_Rom = z->rom; 67 cd.cd_SlotAddr = z->slotaddr; 68 cd.cd_SlotSize = z->slotsize; 69 cd.cd_BoardAddr = (void *)zorro_resource_start(z); 70 cd.cd_BoardSize = zorro_resource_len(z); 71 72 memcpy(buf, (void *)&cd+off, count); 73 return count; 74 } 75 76 static struct bin_attribute zorro_config_attr = { 77 .attr = { 78 .name = "config", 79 .mode = S_IRUGO | S_IWUSR, 80 .owner = THIS_MODULE 81 }, 82 .size = sizeof(struct ConfigDev), 83 .read = zorro_read_config, 84 }; 85 86 void zorro_create_sysfs_dev_files(struct zorro_dev *z) 87 { 88 struct device *dev = &z->dev; 89 90 /* current configuration's attributes */ 91 device_create_file(dev, &dev_attr_id); 92 device_create_file(dev, &dev_attr_type); 93 device_create_file(dev, &dev_attr_serial); 94 device_create_file(dev, &dev_attr_slotaddr); 95 device_create_file(dev, &dev_attr_slotsize); 96 device_create_file(dev, &dev_attr_resource); 97 sysfs_create_bin_file(&dev->kobj, &zorro_config_attr); 98 } 99 100