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 name##_show(struct device *dev, \ 27 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_RO(name); 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 serial_show(struct device *dev, struct device_attribute *attr, 42 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 static DEVICE_ATTR_RO(serial); 50 51 static ssize_t resource_show(struct device *dev, struct device_attribute *attr, 52 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 static DEVICE_ATTR_RO(resource); 62 63 static ssize_t modalias_show(struct device *dev, struct device_attribute *attr, 64 char *buf) 65 { 66 struct zorro_dev *z = to_zorro_dev(dev); 67 68 return sprintf(buf, ZORRO_DEVICE_MODALIAS_FMT "\n", z->id); 69 } 70 static DEVICE_ATTR_RO(modalias); 71 72 static struct attribute *zorro_device_attrs[] = { 73 &dev_attr_id.attr, 74 &dev_attr_type.attr, 75 &dev_attr_serial.attr, 76 &dev_attr_slotaddr.attr, 77 &dev_attr_slotsize.attr, 78 &dev_attr_resource.attr, 79 &dev_attr_modalias.attr, 80 NULL 81 }; 82 83 static ssize_t zorro_read_config(struct file *filp, struct kobject *kobj, 84 struct bin_attribute *bin_attr, 85 char *buf, loff_t off, size_t count) 86 { 87 struct zorro_dev *z = to_zorro_dev(kobj_to_dev(kobj)); 88 struct ConfigDev cd; 89 90 /* Construct a ConfigDev */ 91 memset(&cd, 0, sizeof(cd)); 92 cd.cd_Rom = z->rom; 93 cd.cd_SlotAddr = cpu_to_be16(z->slotaddr); 94 cd.cd_SlotSize = cpu_to_be16(z->slotsize); 95 cd.cd_BoardAddr = cpu_to_be32(zorro_resource_start(z)); 96 cd.cd_BoardSize = cpu_to_be32(zorro_resource_len(z)); 97 98 return memory_read_from_buffer(buf, count, &off, &cd, sizeof(cd)); 99 } 100 101 static struct bin_attribute zorro_config_attr = { 102 .attr = { 103 .name = "config", 104 .mode = S_IRUGO, 105 }, 106 .size = sizeof(struct ConfigDev), 107 .read = zorro_read_config, 108 }; 109 110 static struct bin_attribute *zorro_device_bin_attrs[] = { 111 &zorro_config_attr, 112 NULL 113 }; 114 115 static const struct attribute_group zorro_device_attr_group = { 116 .attrs = zorro_device_attrs, 117 .bin_attrs = zorro_device_bin_attrs, 118 }; 119 120 const struct attribute_group *zorro_device_attribute_groups[] = { 121 &zorro_device_attr_group, 122 NULL 123 }; 124