1 // SPDX-License-Identifier: GPL-2.0-only
6  * Copyright (c) 2000-2002 Vojtech Pavlik
7  * Copyright (c) 2007-2010 Bartlomiej Zolnierkiewicz
39 	return (dev->vendor == PCI_VENDOR_ID_NVIDIA) ? 0x10 : 0;  in amd_offset()
52 	t = (t & ~(3 << ((3 - dn) << 1))) | ((clamp_val(timing->setup, 1, 4) - 1) << ((3 - dn) << 1));  in amd_set_speed()
55 	pci_write_config_byte(dev, AMD_8BIT_TIMING + offset + (1 - (dn >> 1)),  in amd_set_speed()
56 		((clamp_val(timing->act8b, 1, 16) - 1) << 4) | (clamp_val(timing->rec8b, 1, 16) - 1));  in amd_set_speed()
58 	pci_write_config_byte(dev, AMD_DRIVE_TIMING + offset + (3 - dn),  in amd_set_speed()
59 		((clamp_val(timing->active, 1, 16) - 1) << 4) | (clamp_val(timing->recover, 1, 16) - 1));  in amd_set_speed()
62 	case ATA_UDMA2: t = timing->udma ? (0xc0 | (clamp_val(timing->udma, 2, 5) - 2)) : 0x03; break;  in amd_set_speed()
63 …case ATA_UDMA4: t = timing->udma ? (0xc0 | amd_cyc2udma[clamp_val(timing->udma, 2, 10)]) : 0x03; b…  in amd_set_speed()
64 …case ATA_UDMA5: t = timing->udma ? (0xc0 | amd_cyc2udma[clamp_val(timing->udma, 1, 10)]) : 0x03; b…  in amd_set_speed()
65 …case ATA_UDMA6: t = timing->udma ? (0xc0 | amd_cyc2udma[clamp_val(timing->udma, 1, 15)]) : 0x03; b…  in amd_set_speed()
69 	if (timing->udma)  in amd_set_speed()
70 		pci_write_config_byte(dev, AMD_UDMA_TIMING + offset + 3 - dn, t);  in amd_set_speed()
80 	struct pci_dev *dev = to_pci_dev(hwif->dev);  in amd_set_drive()
84 	u8 udma_mask = hwif->ultra_mask;  in amd_set_drive()
85 	const u8 speed = drive->dma_mode;  in amd_set_drive()
93 		ide_timing_compute(peer, peer->pio_mode, &p, T, UT);  in amd_set_drive()
97 	if (speed == XFER_UDMA_5 && amd_clock <= 33333) t.udma = 1;  in amd_set_drive()
98 	if (speed == XFER_UDMA_6 && amd_clock <= 33333) t.udma = 15;  in amd_set_drive()
100 	amd_set_speed(dev, drive->dn, udma_mask, &t);  in amd_set_drive()
104  * amd_set_pio_mode() is a callback from upper layers for PIO-only tuning.
109 	drive->dma_mode = drive->pio_mode;  in amd_set_pio_mode()
128 	for (i = 24; i >= 0; i -= 8)  in amd7411_cable_detect()
129 		if (((u >> i) & 4) && !(amd_80w & (1 << (1 - (i >> 4))))) {  in amd7411_cable_detect()
133 			amd_80w |= (1 << (1 - (i >> 4)));  in amd7411_cable_detect()
146  * Check 80-wire cable presence.  in init_chipset_amd74xx()
149 	if (dev->vendor == PCI_VENDOR_ID_AMD &&  in init_chipset_amd74xx()
150 	    dev->device == PCI_DEVICE_ID_AMD_COBRA_7401)  in init_chipset_amd74xx()
151 		; /* no UDMA > 2 */  in init_chipset_amd74xx()
152 	else if (dev->vendor == PCI_VENDOR_ID_AMD &&  in init_chipset_amd74xx()
153 		 dev->device == PCI_DEVICE_ID_AMD_VIPER_7409)  in init_chipset_amd74xx()
166 	if (dev->vendor == PCI_VENDOR_ID_AMD &&  in init_chipset_amd74xx()
167 	    dev->device == PCI_DEVICE_ID_AMD_VIPER_7411)  in init_chipset_amd74xx()
178 	if ((amd_80w >> hwif->channel) & 1)  in amd_cable_detect()
196 #define DECLARE_AMD_DEV(swdma, udma)				\  argument
206 		.udma_mask	= udma,					\
209 #define DECLARE_NV_DEV(udma)					\  argument
219 		.udma_mask	= udma,					\
237 	u8 idx = id->driver_data;  in amd74xx_probe()
245 		if (dev->revision <= 7)  in amd74xx_probe()
249 		if (dev->subsystem_vendor == PCI_VENDOR_ID_AMD &&  in amd74xx_probe()
250 		    dev->subsystem_device == PCI_DEVICE_ID_AMD_SERENADE)  in amd74xx_probe()
259 	if (dev->vendor == PCI_VENDOR_ID_NVIDIA &&  in amd74xx_probe()
263 	printk(KERN_INFO "%s %s: UDMA%s controller\n",  in amd74xx_probe()
264 		d.name, pci_name(dev), amd_dma[fls(d.udma_mask) - 1]);  in amd74xx_probe()