3  *	ACPI PATA driver
15 #include <linux/acpi.h>
40 	struct pata_acpi *acpi = ap->private_data;  in pacpi_pre_reset()  local
41 	if (ACPI_HANDLE(&ap->tdev) == NULL || ata_acpi_gtm(ap, &acpi->gtm) < 0)  in pacpi_pre_reset()
56 	struct pata_acpi *acpi = ap->private_data;  in pacpi_cable_detect()  local
58 	if ((acpi->mask[0] | acpi->mask[1]) & (0xF8 << ATA_SHIFT_UDMA))  in pacpi_cable_detect()
65  *	pacpi_discover_modes	-	filter non ACPI modes
69  *	Try the modes available and see which ones the ACPI method will
70  *	set up sensibly. From this we get a mask of ACPI modes we can use
75 	struct pata_acpi *acpi = ap->private_data;  in pacpi_discover_modes()  local
79 	probe = acpi->gtm;  in pacpi_discover_modes()
92  *	pacpi_mode_filter	-	mode filter for ACPI
97  *	this case the list of discovered valid modes obtained by ACPI probing
102 	struct pata_acpi *acpi = adev->link->ap->private_data;  in pacpi_mode_filter()  local
103 	return mask & acpi->mask[adev->devno];  in pacpi_mode_filter()
115 	struct pata_acpi *acpi = ap->private_data;  in pacpi_set_piomode()  local
118 	if (!(acpi->gtm.flags & 0x10))  in pacpi_set_piomode()
123 	acpi->gtm.drive[unit].pio = t->cycle;  in pacpi_set_piomode()
124 	ata_acpi_stm(ap, &acpi->gtm);  in pacpi_set_piomode()
126 	ata_acpi_gtm(ap, &acpi->gtm);  in pacpi_set_piomode()
138 	struct pata_acpi *acpi = ap->private_data;  in pacpi_set_dmamode()  local
141 	if (!(acpi->gtm.flags & 0x10))  in pacpi_set_dmamode()
147 		acpi->gtm.drive[unit].dma = t->udma;  in pacpi_set_dmamode()
148 		acpi->gtm.flags |= (1 << (2 * unit));  in pacpi_set_dmamode()
150 		acpi->gtm.drive[unit].dma = t->cycle;  in pacpi_set_dmamode()
151 		acpi->gtm.flags &= ~(1 << (2 * unit));  in pacpi_set_dmamode()
153 	ata_acpi_stm(ap, &acpi->gtm);  in pacpi_set_dmamode()
155 	ata_acpi_gtm(ap, &acpi->gtm);  in pacpi_set_dmamode()
171 	struct pata_acpi *acpi = ap->private_data;  in pacpi_qc_issue()  local
173 	if (acpi->gtm.flags & 0x10)  in pacpi_qc_issue()
176 	if (adev != acpi->last) {  in pacpi_qc_issue()
180 		acpi->last = adev;  in pacpi_qc_issue()
195 	struct pata_acpi *acpi;  in pacpi_port_start()  local
200 	acpi = ap->private_data = devm_kzalloc(&pdev->dev, sizeof(struct pata_acpi), GFP_KERNEL);  in pacpi_port_start()
203 	acpi->mask[0] = pacpi_discover_modes(ap, &ap->link.device[0]);  in pacpi_port_start()
204 	acpi->mask[1] = pacpi_discover_modes(ap, &ap->link.device[1]);  in pacpi_port_start()
225  *	pacpi_init_one - Register ACPI ATA PCI device with kernel services
278 MODULE_DESCRIPTION("SCSI low-level driver for ATA in ACPI mode");