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 18 #include "zorro.h" 19 20 21 /* show configuration fields */ 22 #define zorro_config_attr(name, field, format_string) \ 23 static ssize_t \ 24 show_##name(struct device *dev, char *buf) \ 25 { \ 26 struct zorro_dev *z; \ 27 \ 28 z = to_zorro_dev(dev); \ 29 return sprintf(buf, format_string, z->field); \ 30 } \ 31 static DEVICE_ATTR(name, S_IRUGO, show_##name, NULL); 32 33 zorro_config_attr(id, id, "0x%08x\n"); 34 zorro_config_attr(type, rom.er_Type, "0x%02x\n"); 35 zorro_config_attr(serial, rom.er_SerialNumber, "0x%08x\n"); 36 zorro_config_attr(slotaddr, slotaddr, "0x%04x\n"); 37 zorro_config_attr(slotsize, slotsize, "0x%04x\n"); 38 39 static ssize_t zorro_show_resource(struct device *dev, char *buf) 40 { 41 struct zorro_dev *z = to_zorro_dev(dev); 42 43 return sprintf(buf, "0x%08lx 0x%08lx 0x%08lx\n", 44 zorro_resource_start(z), zorro_resource_end(z), 45 zorro_resource_flags(z)); 46 } 47 48 static DEVICE_ATTR(resource, S_IRUGO, zorro_show_resource, NULL); 49 50 static ssize_t zorro_read_config(struct kobject *kobj, char *buf, loff_t off, 51 size_t count) 52 { 53 struct zorro_dev *z = to_zorro_dev(container_of(kobj, struct device, 54 kobj)); 55 struct ConfigDev cd; 56 unsigned int size = sizeof(cd); 57 58 if (off > size) 59 return 0; 60 if (off+count > size) 61 count = size-off; 62 63 /* Construct a ConfigDev */ 64 memset(&cd, 0, sizeof(cd)); 65 cd.cd_Rom = z->rom; 66 cd.cd_SlotAddr = z->slotaddr; 67 cd.cd_SlotSize = z->slotsize; 68 cd.cd_BoardAddr = (void *)zorro_resource_start(z); 69 cd.cd_BoardSize = zorro_resource_len(z); 70 71 memcpy(buf, (void *)&cd+off, count); 72 return count; 73 } 74 75 static struct bin_attribute zorro_config_attr = { 76 .attr = { 77 .name = "config", 78 .mode = S_IRUGO | S_IWUSR, 79 .owner = THIS_MODULE 80 }, 81 .size = sizeof(struct ConfigDev), 82 .read = zorro_read_config, 83 }; 84 85 void zorro_create_sysfs_dev_files(struct zorro_dev *z) 86 { 87 struct device *dev = &z->dev; 88 89 /* current configuration's attributes */ 90 device_create_file(dev, &dev_attr_id); 91 device_create_file(dev, &dev_attr_type); 92 device_create_file(dev, &dev_attr_serial); 93 device_create_file(dev, &dev_attr_slotaddr); 94 device_create_file(dev, &dev_attr_slotsize); 95 device_create_file(dev, &dev_attr_resource); 96 sysfs_create_bin_file(&dev->kobj, &zorro_config_attr); 97 } 98 99