| 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(container_of(kobj, struct device, |
| 69 | kobj)); |
| 70 | struct ConfigDev cd; |
| 71 | |
| 72 | /* Construct a ConfigDev */ |
| 73 | memset(&cd, 0, sizeof(cd)); |
| 74 | cd.cd_Rom = z->rom; |
| 75 | cd.cd_SlotAddr = cpu_to_be16(z->slotaddr); |
| 76 | cd.cd_SlotSize = cpu_to_be16(z->slotsize); |
| 77 | cd.cd_BoardAddr = cpu_to_be32(zorro_resource_start(z)); |
| 78 | cd.cd_BoardSize = cpu_to_be32(zorro_resource_len(z)); |
| 79 | |
| 80 | return memory_read_from_buffer(buf, count, &off, &cd, sizeof(cd)); |
| 81 | } |
| 82 | |
| 83 | static struct bin_attribute zorro_config_attr = { |
| 84 | .attr = { |
| 85 | .name = "config", |
| 86 | .mode = S_IRUGO, |
| 87 | }, |
| 88 | .size = sizeof(struct ConfigDev), |
| 89 | .read = zorro_read_config, |
| 90 | }; |
| 91 | |
| 92 | static ssize_t modalias_show(struct device *dev, struct device_attribute *attr, |
| 93 | char *buf) |
| 94 | { |
| 95 | struct zorro_dev *z = to_zorro_dev(dev); |
| 96 | |
| 97 | return sprintf(buf, ZORRO_DEVICE_MODALIAS_FMT "\n", z->id); |
| 98 | } |
| 99 | |
| 100 | static DEVICE_ATTR(modalias, S_IRUGO, modalias_show, NULL); |
| 101 | |
| 102 | int zorro_create_sysfs_dev_files(struct zorro_dev *z) |
| 103 | { |
| 104 | struct device *dev = &z->dev; |
| 105 | int error; |
| 106 | |
| 107 | /* current configuration's attributes */ |
| 108 | if ((error = device_create_file(dev, &dev_attr_id)) || |
| 109 | (error = device_create_file(dev, &dev_attr_type)) || |
| 110 | (error = device_create_file(dev, &dev_attr_serial)) || |
| 111 | (error = device_create_file(dev, &dev_attr_slotaddr)) || |
| 112 | (error = device_create_file(dev, &dev_attr_slotsize)) || |
| 113 | (error = device_create_file(dev, &dev_attr_resource)) || |
| 114 | (error = device_create_file(dev, &dev_attr_modalias)) || |
| 115 | (error = sysfs_create_bin_file(&dev->kobj, &zorro_config_attr))) |
| 116 | return error; |
| 117 | |
| 118 | return 0; |
| 119 | } |
| 120 | |