-/*
- * Obtain the list of formattable capacities.
- * Very similar to ide_floppy_get_capacity, except that we push the capacity
- * descriptors to userland, instead of our own structures.
- *
- * Userland gives us the following structure:
- *
- * struct idefloppy_format_capacities {
- * int nformats;
- * struct {
- * int nblocks;
- * int blocksize;
- * } formats[];
- * };
- *
- * userland initializes nformats to the number of allocated formats[] records.
- * On exit we set nformats to the number of records we've actually initialized.
- */
-
-static int ide_floppy_get_format_capacities(ide_drive_t *drive, int __user *arg)
-{
- struct ide_atapi_pc pc;
- u8 header_len, desc_cnt;
- int i, blocks, length, u_array_size, u_index;
- int __user *argp;
-
- if (get_user(u_array_size, arg))
- return (-EFAULT);
-
- if (u_array_size <= 0)
- return (-EINVAL);
-
- idefloppy_create_read_capacity_cmd(&pc);
- if (idefloppy_queue_pc_tail(drive, &pc)) {
- printk(KERN_ERR "ide-floppy: Can't get floppy parameters\n");
- return (-EIO);
- }
- header_len = pc.buf[3];
- desc_cnt = header_len / 8; /* capacity descriptor of 8 bytes */
-
- u_index = 0;
- argp = arg + 1;
-
- /*
- * We always skip the first capacity descriptor. That's the current
- * capacity. We are interested in the remaining descriptors, the
- * formattable capacities.
- */
- for (i = 1; i < desc_cnt; i++) {
- unsigned int desc_start = 4 + i*8;
-
- if (u_index >= u_array_size)
- break; /* User-supplied buffer too small */
-
- blocks = be32_to_cpup((__be32 *)&pc.buf[desc_start]);
- length = be16_to_cpup((__be16 *)&pc.buf[desc_start + 6]);
-
- if (put_user(blocks, argp))
- return(-EFAULT);
- ++argp;
-
- if (put_user(length, argp))
- return (-EFAULT);
- ++argp;
-
- ++u_index;
- }
-
- if (put_user(u_index, arg))
- return (-EFAULT);
- return (0);
-}
-
-/*
- * Get ATAPI_FORMAT_UNIT progress indication.
- *
- * Userland gives a pointer to an int. The int is set to a progress
- * indicator 0-65536, with 65536=100%.
- *
- * If the drive does not support format progress indication, we just check
- * the dsc bit, and return either 0 or 65536.
- */
-
-static int idefloppy_get_format_progress(ide_drive_t *drive, int __user *arg)
-{
- idefloppy_floppy_t *floppy = drive->driver_data;
- struct ide_atapi_pc pc;
- int progress_indication = 0x10000;
-
- if (floppy->srfp) {
- idefloppy_create_request_sense_cmd(&pc);
- if (idefloppy_queue_pc_tail(drive, &pc))
- return (-EIO);
-
- if (floppy->sense_key == 2 &&
- floppy->asc == 4 &&
- floppy->ascq == 4)
- progress_indication = floppy->progress_indication;
-
- /* Else assume format_unit has finished, and we're at 0x10000 */
- } else {
- ide_hwif_t *hwif = drive->hwif;
- unsigned long flags;
- u8 stat;
-
- local_irq_save(flags);
- stat = hwif->tp_ops->read_status(hwif);
- local_irq_restore(flags);
-
- progress_indication = ((stat & ATA_DSC) == 0) ? 0 : 0x10000;
- }
- if (put_user(progress_indication, arg))
- return (-EFAULT);
-
- return (0);
-}
-
-static sector_t idefloppy_capacity(ide_drive_t *drive)
-{
- idefloppy_floppy_t *floppy = drive->driver_data;
- unsigned long capacity = floppy->blocks * floppy->bs_factor;
-
- return capacity;
-}
-
-/*
- * Check whether we can support a drive, based on the ATAPI IDENTIFY command
- * results.
- */
-static int idefloppy_identify_device(ide_drive_t *drive, u16 *id)
-{
- u8 gcw[2];
- u8 device_type, protocol, removable, drq_type, packet_size;
-
- *((u16 *)&gcw) = id[ATA_ID_CONFIG];
-
- device_type = gcw[1] & 0x1F;
- removable = (gcw[0] & 0x80) >> 7;
- protocol = (gcw[1] & 0xC0) >> 6;
- drq_type = (gcw[0] & 0x60) >> 5;
- packet_size = gcw[0] & 0x03;
-
-#ifdef CONFIG_PPC
- /* kludge for Apple PowerBook internal zip */
- if (device_type == 5 &&
- !strstr((char *)&id[ATA_ID_PROD], "CD-ROM") &&
- strstr((char *)&id[ATA_ID_PROD], "ZIP"))
- device_type = 0;
-#endif
-
- if (protocol != 2)
- printk(KERN_ERR "ide-floppy: Protocol (0x%02x) is not ATAPI\n",
- protocol);
- else if (device_type != 0)
- printk(KERN_ERR "ide-floppy: Device type (0x%02x) is not set "
- "to floppy\n", device_type);
- else if (!removable)
- printk(KERN_ERR "ide-floppy: The removable flag is not set\n");
- else if (drq_type == 3)
- printk(KERN_ERR "ide-floppy: Sorry, DRQ type (0x%02x) not "
- "supported\n", drq_type);
- else if (packet_size != 0)
- printk(KERN_ERR "ide-floppy: Packet size (0x%02x) is not 12 "
- "bytes\n", packet_size);
- else
- return 1;
- return 0;
-}
-
-#ifdef CONFIG_IDE_PROC_FS
-static void idefloppy_add_settings(ide_drive_t *drive)
-{
- idefloppy_floppy_t *floppy = drive->driver_data;
-
- ide_add_setting(drive, "bios_cyl", SETTING_RW, TYPE_INT, 0, 1023, 1, 1,
- &drive->bios_cyl, NULL);
- ide_add_setting(drive, "bios_head", SETTING_RW, TYPE_BYTE, 0, 255, 1, 1,
- &drive->bios_head, NULL);
- ide_add_setting(drive, "bios_sect", SETTING_RW, TYPE_BYTE, 0, 63, 1, 1,
- &drive->bios_sect, NULL);
- ide_add_setting(drive, "ticks", SETTING_RW, TYPE_BYTE, 0, 255, 1, 1,
- &floppy->ticks, NULL);
-}
-#else
-static inline void idefloppy_add_settings(ide_drive_t *drive) { ; }
-#endif
-
-static void idefloppy_setup(ide_drive_t *drive, idefloppy_floppy_t *floppy)