83 	u16	udma[2];		/* Cached UDMA values (per drive) */
105  *	@drive: drive to tune
112 static void it821x_program(ide_drive_t *drive, u16 timing)  in it821x_program()  argument
114 	ide_hwif_t *hwif = drive->hwif;  in it821x_program()
131  *	@drive: drive to tune
134  *	Program the UDMA timing for this drive according to the
138 static void it821x_program_udma(ide_drive_t *drive, u16 timing)  in it821x_program_udma()  argument
140 	ide_hwif_t *hwif = drive->hwif;  in it821x_program_udma()
144 	u8 unit = drive->dn & 1, conf;  in it821x_program_udma()
162  *	@drive: drive to set up
168 static void it821x_clock_strategy(ide_drive_t *drive)  in it821x_clock_strategy()  argument
170 	ide_hwif_t *hwif = drive->hwif;  in it821x_clock_strategy()
173 	ide_drive_t *pair = ide_get_pair_dev(drive);  in it821x_clock_strategy()
175 	u8 unit = drive->dn & 1, v;  in it821x_clock_strategy()
213 	 *	Reprogram the UDMA/PIO of the pair drive for the switch  in it821x_clock_strategy()
221 	 *	Reprogram the UDMA/PIO of our drive for the switch.  in it821x_clock_strategy()
225 		it821x_program_udma(drive, itdev->udma[unit]);  in it821x_clock_strategy()
226 		it821x_program(drive, itdev->pio[unit]);  in it821x_clock_strategy()
233  *	@drive: drive
239 static void it821x_set_pio_mode(ide_hwif_t *hwif, ide_drive_t *drive)  in it821x_set_pio_mode()  argument
242 	ide_drive_t *pair = ide_get_pair_dev(drive);  in it821x_set_pio_mode()
243 	const u8 pio = drive->pio_mode - XFER_PIO_0;  in it821x_set_pio_mode()
244 	u8 unit = drive->dn & 1, set_pio = pio;  in it821x_set_pio_mode()
266 	it821x_clock_strategy(drive);  in it821x_set_pio_mode()
267 	it821x_program(drive, itdev->pio[unit]);  in it821x_set_pio_mode()
272  *	@drive: drive to set up
281 static void it821x_tune_mwdma(ide_drive_t *drive, u8 mode_wanted)  in it821x_tune_mwdma()  argument
283 	ide_hwif_t *hwif = drive->hwif;  in it821x_tune_mwdma()
286 	u8 unit = drive->dn & 1, channel = hwif->channel, conf;  in it821x_tune_mwdma()
304 	it821x_clock_strategy(drive);  in it821x_tune_mwdma()
306 	/* it821x_program(drive, itdev->mwdma[unit]); */  in it821x_tune_mwdma()
311  *	@drive: drive to set up
318 static void it821x_tune_udma(ide_drive_t *drive, u8 mode_wanted)  in it821x_tune_udma()  argument
320 	ide_hwif_t *hwif = drive->hwif;  in it821x_tune_udma()
323 	u8 unit = drive->dn & 1, channel = hwif->channel, conf;  in it821x_tune_udma()
343 	it821x_clock_strategy(drive);  in it821x_tune_udma()
344 	it821x_program_udma(drive, itdev->udma[unit]);  in it821x_tune_udma()
350  *	@drive: drive for DMA
361 static void it821x_dma_start(ide_drive_t *drive)  in it821x_dma_start()  argument
363 	ide_hwif_t *hwif = drive->hwif;  in it821x_dma_start()
365 	u8 unit = drive->dn & 1;  in it821x_dma_start()
368 		it821x_program(drive, itdev->mwdma[unit]);  in it821x_dma_start()
370 		it821x_program_udma(drive, itdev->udma[unit]);  in it821x_dma_start()
371 	ide_dma_start(drive);  in it821x_dma_start()
376  *	@drive: drive for DMA stop
383 static int it821x_dma_end(ide_drive_t *drive)  in it821x_dma_end()  argument
385 	ide_hwif_t *hwif = drive->hwif;  in it821x_dma_end()
387 	int ret = ide_dma_end(drive);  in it821x_dma_end()
388 	u8 unit = drive->dn & 1;  in it821x_dma_end()
391 		it821x_program(drive, itdev->pio[unit]);  in it821x_dma_end()
398  *	@drive: drive
403 static void it821x_set_dma_mode(ide_hwif_t *hwif, ide_drive_t *drive)  in it821x_set_dma_mode()  argument
405 	const u8 speed = drive->dma_mode;  in it821x_set_dma_mode()
413 		it821x_tune_udma(drive, speed - XFER_UDMA_0);  in it821x_set_dma_mode()
415 		it821x_tune_mwdma(drive, speed - XFER_MW_DMA_0);  in it821x_set_dma_mode()
435  *	@drive: drive
437  *	This callback is run after the drive has been probed but
442 static void it821x_quirkproc(ide_drive_t *drive)  in it821x_quirkproc()  argument
444 	struct it821x_dev *itdev = ide_get_hwifdata(drive->hwif);  in it821x_quirkproc()
445 	u16 *id = drive->id;  in it821x_quirkproc()
454 		drive->dev_flags |= IDE_DFLAG_UNMASK;  in it821x_quirkproc()
474 				drive->name, id[147] ? "Bootable " : "",  in it821x_quirkproc()
495 				drive->name);  in it821x_quirkproc()
505 			drive->current_speed = XFER_MW_DMA_0;  in it821x_quirkproc()