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 (unsigned long)zorro_resource_start(z), 46 (unsigned long)zorro_resource_end(z), 47 zorro_resource_flags(z)); 48 } 49 50 static DEVICE_ATTR(resource, S_IRUGO, zorro_show_resource, NULL); 51 52 static ssize_t zorro_read_config(struct file *filp, struct kobject *kobj, 53 struct bin_attribute *bin_attr, 54 char *buf, loff_t off, size_t count) 55 { 56 struct zorro_dev *z = to_zorro_dev(container_of(kobj, struct device, 57 kobj)); 58 struct ConfigDev cd; 59 60 /* Construct a ConfigDev */ 61 memset(&cd, 0, sizeof(cd)); 62 cd.cd_Rom = z->rom; 63 cd.cd_SlotAddr = z->slotaddr; 64 cd.cd_SlotSize = z->slotsize; 65 cd.cd_BoardAddr = (void *)zorro_resource_start(z); 66 cd.cd_BoardSize = zorro_resource_len(z); 67 68 return memory_read_from_buffer(buf, count, &off, &cd, sizeof(cd)); 69 } 70 71 static struct bin_attribute zorro_config_attr = { 72 .attr = { 73 .name = "config", 74 .mode = S_IRUGO, 75 }, 76 .size = sizeof(struct ConfigDev), 77 .read = zorro_read_config, 78 }; 79 80 static ssize_t modalias_show(struct device *dev, struct device_attribute *attr, 81 char *buf) 82 { 83 struct zorro_dev *z = to_zorro_dev(dev); 84 85 return sprintf(buf, ZORRO_DEVICE_MODALIAS_FMT "\n", z->id); 86 } 87 88 static DEVICE_ATTR(modalias, S_IRUGO, modalias_show, NULL); 89 90 int zorro_create_sysfs_dev_files(struct zorro_dev *z) 91 { 92 struct device *dev = &z->dev; 93 int error; 94 95 /* current configuration's attributes */ 96 if ((error = device_create_file(dev, &dev_attr_id)) || 97 (error = device_create_file(dev, &dev_attr_type)) || 98 (error = device_create_file(dev, &dev_attr_serial)) || 99 (error = device_create_file(dev, &dev_attr_slotaddr)) || 100 (error = device_create_file(dev, &dev_attr_slotsize)) || 101 (error = device_create_file(dev, &dev_attr_resource)) || 102 (error = device_create_file(dev, &dev_attr_modalias)) || 103 (error = sysfs_create_bin_file(&dev->kobj, &zorro_config_attr))) 104 return error; 105 106 return 0; 107 } 108 109