51  *	ide_get_best_pio_mode	-	get PIO mode from drive
52  *	@drive: drive to consider
56  *	This routine returns the recommended PIO settings for a given drive,
57  *	based on the drive->id information and the ide_pio_blacklist[].
59  *	Drive PIO mode is auto-selected if 255 is passed as mode_wanted.
63 static u8 ide_get_best_pio_mode(ide_drive_t *drive, u8 mode_wanted, u8 max_mode)  in ide_get_best_pio_mode()  argument
65 	u16 *id = drive->id;  in ide_get_best_pio_mode()
71 	if ((drive->hwif->host_flags & IDE_HFLAG_PIO_NO_BLACKLIST) == 0)  in ide_get_best_pio_mode()
75 		printk(KERN_INFO "%s: is on PIO blacklist\n", drive->name);  in ide_get_best_pio_mode()
102 					 drive->name);  in ide_get_best_pio_mode()
111 int ide_pio_need_iordy(ide_drive_t *drive, const u8 pio)  in ide_pio_need_iordy()  argument
117 	if (pio == 0 && (drive->hwif->port_flags & IDE_PFLAG_PROBING))  in ide_pio_need_iordy()
119 	return ata_id_pio_need_iordy(drive->id, pio);  in ide_pio_need_iordy()
123 int ide_set_pio_mode(ide_drive_t *drive, const u8 mode)  in ide_set_pio_mode()  argument
125 	ide_hwif_t *hwif = drive->hwif;  in ide_set_pio_mode()
139 		drive->pio_mode = mode;  in ide_set_pio_mode()
140 		port_ops->set_pio_mode(hwif, drive);  in ide_set_pio_mode()
145 		if (ide_config_drive_speed(drive, mode))  in ide_set_pio_mode()
147 		drive->pio_mode = mode;  in ide_set_pio_mode()
148 		port_ops->set_pio_mode(hwif, drive);  in ide_set_pio_mode()
151 		drive->pio_mode = mode;  in ide_set_pio_mode()
152 		port_ops->set_pio_mode(hwif, drive);  in ide_set_pio_mode()
153 		return ide_config_drive_speed(drive, mode);  in ide_set_pio_mode()
157 int ide_set_dma_mode(ide_drive_t *drive, const u8 mode)  in ide_set_dma_mode()  argument
159 	ide_hwif_t *hwif = drive->hwif;  in ide_set_dma_mode()
169 		if (ide_config_drive_speed(drive, mode))  in ide_set_dma_mode()
171 		drive->dma_mode = mode;  in ide_set_dma_mode()
172 		port_ops->set_dma_mode(hwif, drive);  in ide_set_dma_mode()
175 		drive->dma_mode = mode;  in ide_set_dma_mode()
176 		port_ops->set_dma_mode(hwif, drive);  in ide_set_dma_mode()
177 		return ide_config_drive_speed(drive, mode);  in ide_set_dma_mode()
183 void ide_set_pio(ide_drive_t *drive, u8 req_pio)  in ide_set_pio()  argument
185 	ide_hwif_t *hwif = drive->hwif;  in ide_set_pio()
197 	pio = ide_get_best_pio_mode(drive, req_pio, host_pio);  in ide_set_pio()
205 			  drive->name, host_pio, req_pio,  in ide_set_pio()
208 	(void)ide_set_pio_mode(drive, XFER_PIO_0 + pio);  in ide_set_pio()
214  *	@drive: IDE device
223 static u8 ide_rate_filter(ide_drive_t *drive, u8 speed)  in ide_rate_filter()  argument
225 	ide_hwif_t *hwif = drive->hwif;  in ide_rate_filter()
226 	u8 mode = ide_find_dma_mode(drive, speed);  in ide_rate_filter()
242  *	@drive: drive to set
250 int ide_set_xfer_rate(ide_drive_t *drive, u8 rate)  in ide_set_xfer_rate()  argument
252 	ide_hwif_t *hwif = drive->hwif;  in ide_set_xfer_rate()
259 	rate = ide_rate_filter(drive, rate);  in ide_set_xfer_rate()
264 		return ide_set_pio_mode(drive, rate);  in ide_set_xfer_rate()
266 	return ide_set_dma_mode(drive, rate);  in ide_set_xfer_rate()