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 <asm/byteorder.h> 20 21 #include "zorro.h" 22 23 24 /* show configuration fields */ 25 #define zorro_config_attr(name, field, format_string) \ 26 static ssize_t \ 27 show_##name(struct device *dev, struct device_attribute *attr, char *buf) \ 28 { \ 29 struct zorro_dev *z; \ 30 \ 31 z = to_zorro_dev(dev); \ 32 return sprintf(buf, format_string, z->field); \ 33 } \ 34 static DEVICE_ATTR(name, S_IRUGO, show_##name, NULL); 35 36 zorro_config_attr(id, id, "0x%08x\n"); 37 zorro_config_attr(type, rom.er_Type, "0x%02x\n"); 38 zorro_config_attr(slotaddr, slotaddr, "0x%04x\n"); 39 zorro_config_attr(slotsize, slotsize, "0x%04x\n"); 40 41 static ssize_t 42 show_serial(struct device *dev, struct device_attribute *attr, char *buf) 43 { 44 struct zorro_dev *z; 45 46 z = to_zorro_dev(dev); 47 return sprintf(buf, "0x%08x\n", be32_to_cpu(z->rom.er_SerialNumber)); 48 } 49 50 static DEVICE_ATTR(serial, S_IRUGO, show_serial, NULL); 51 52 static ssize_t zorro_show_resource(struct device *dev, struct device_attribute *attr, char *buf) 53 { 54 struct zorro_dev *z = to_zorro_dev(dev); 55 56 return sprintf(buf, "0x%08lx 0x%08lx 0x%08lx\n", 57 (unsigned long)zorro_resource_start(z), 58 (unsigned long)zorro_resource_end(z), 59 zorro_resource_flags(z)); 60 } 61 62 static DEVICE_ATTR(resource, S_IRUGO, zorro_show_resource, NULL); 63 64 static ssize_t zorro_read_config(struct file *filp, struct kobject *kobj, 65 struct bin_attribute *bin_attr, 66 char *buf, loff_t off, size_t count) 67 { 68 struct zorro_dev *z = to_zorro_dev(kobj_to_dev(kobj)); 69 struct ConfigDev cd; 70 71 /* Construct a ConfigDev */ 72 memset(&cd, 0, sizeof(cd)); 73 cd.cd_Rom = z->rom; 74 cd.cd_SlotAddr = cpu_to_be16(z->slotaddr); 75 cd.cd_SlotSize = cpu_to_be16(z->slotsize); 76 cd.cd_BoardAddr = cpu_to_be32(zorro_resource_start(z)); 77 cd.cd_BoardSize = cpu_to_be32(zorro_resource_len(z)); 78 79 return memory_read_from_buffer(buf, count, &off, &cd, sizeof(cd)); 80 } 81 82 static struct bin_attribute zorro_config_attr = { 83 .attr = { 84 .name = "config", 85 .mode = S_IRUGO, 86 }, 87 .size = sizeof(struct ConfigDev), 88 .read = zorro_read_config, 89 }; 90 91 static ssize_t modalias_show(struct device *dev, struct device_attribute *attr, 92 char *buf) 93 { 94 struct zorro_dev *z = to_zorro_dev(dev); 95 96 return sprintf(buf, ZORRO_DEVICE_MODALIAS_FMT "\n", z->id); 97 } 98 99 static DEVICE_ATTR(modalias, S_IRUGO, modalias_show, NULL); 100 101 int zorro_create_sysfs_dev_files(struct zorro_dev *z) 102 { 103 struct device *dev = &z->dev; 104 int error; 105 106 /* current configuration's attributes */ 107 if ((error = device_create_file(dev, &dev_attr_id)) || 108 (error = device_create_file(dev, &dev_attr_type)) || 109 (error = device_create_file(dev, &dev_attr_serial)) || 110 (error = device_create_file(dev, &dev_attr_slotaddr)) || 111 (error = device_create_file(dev, &dev_attr_slotsize)) || 112 (error = device_create_file(dev, &dev_attr_resource)) || 113 (error = device_create_file(dev, &dev_attr_modalias)) || 114 (error = sysfs_create_bin_file(&dev->kobj, &zorro_config_attr))) 115 return error; 116 117 return 0; 118 } 119 120