1 // SPDX-License-Identifier: GPL-2.0-only
45  *	atiixp_set_pio_mode	-	set host controller for PIO mode
47  *	@drive: drive
49  *	Set the interface PIO mode.
52 static void atiixp_set_pio_mode(ide_hwif_t *hwif, ide_drive_t *drive)  in atiixp_set_pio_mode()  argument
54 	struct pci_dev *dev = to_pci_dev(hwif->dev);  in atiixp_set_pio_mode()
56 	int timing_shift = (drive->dn ^ 1) * 8;  in atiixp_set_pio_mode()
59 	const u8 pio = drive->pio_mode - XFER_PIO_0;  in atiixp_set_pio_mode()
64 	pio_mode_data &= ~(0x07 << (drive->dn * 4));  in atiixp_set_pio_mode()
65 	pio_mode_data |= (pio << (drive->dn * 4));  in atiixp_set_pio_mode()
78  *	atiixp_set_dma_mode	-	set host controller for DMA mode
80  *	@drive: drive
82  *	Set a ATIIXP host controller to the desired DMA mode.  This involves
86 static void atiixp_set_dma_mode(ide_hwif_t *hwif, ide_drive_t *drive)  in atiixp_set_dma_mode()  argument
88 	struct pci_dev *dev = to_pci_dev(hwif->dev);  in atiixp_set_dma_mode()
90 	int timing_shift = (drive->dn ^ 1) * 8;  in atiixp_set_dma_mode()
94 	const u8 speed = drive->dma_mode;  in atiixp_set_dma_mode()
102 		tmp16 &= ~(0x07 << (drive->dn * 4));  in atiixp_set_dma_mode()
103 		tmp16 |= ((speed & 0x07) << (drive->dn * 4));  in atiixp_set_dma_mode()
106 		udma_ctl |= (1 << drive->dn);  in atiixp_set_dma_mode()
116 		udma_ctl &= ~(1 << drive->dn);  in atiixp_set_dma_mode()
126 	struct pci_dev *pdev = to_pci_dev(hwif->dev);  in atiixp_cable_detect()
127 	u8 udma_mode = 0, ch = hwif->channel;  in atiixp_cable_detect()
164  *	atiixp_init_one	-	called when a ATIIXP is found
174 	return ide_pci_init_one(dev, &atiixp_pci_info[id->driver_data], NULL);  in atiixp_init_one()