+#ifdef CONFIG_IDE_PROC_FS
+static sector_t ide_cdrom_capacity(ide_drive_t *drive)
+{
+ unsigned long capacity, sectors_per_frame;
+
+ if (cdrom_read_capacity(drive, &capacity, §ors_per_frame, NULL))
+ return 0;
+
+ return capacity * sectors_per_frame;
+}
+
+static int proc_idecd_read_capacity(char *page, char **start, off_t off,
+ int count, int *eof, void *data)
+{
+ ide_drive_t *drive = data;
+ int len;
+
+ len = sprintf(page, "%llu\n", (long long)ide_cdrom_capacity(drive));
+ PROC_IDE_READ_RETURN(page, start, off, count, eof, len);
+}
+
+static ide_proc_entry_t idecd_proc[] = {
+ { "capacity", S_IFREG|S_IRUGO, proc_idecd_read_capacity, NULL },
+ { NULL, 0, NULL, NULL }
+};
+
+static void ide_cdrom_add_settings(ide_drive_t *drive)
+{
+ ide_add_setting(drive, "dsc_overlap", SETTING_RW, TYPE_BYTE, 0, 1, 1, 1,
+ &drive->dsc_overlap, NULL);
+}
+#else
+static inline void ide_cdrom_add_settings(ide_drive_t *drive) { ; }
+#endif
+