3  * Copyright (C) 2005-2006 MontaVista Software, Inc. <source@mvista.com>
17 static void tc86c001_set_mode(ide_hwif_t *hwif, ide_drive_t *drive)  in tc86c001_set_mode()  argument
19 	unsigned long scr_port	= hwif->config_data + (drive->dn ? 0x02 : 0x00);  in tc86c001_set_mode()
20 	u16 mode, scr		= inw(scr_port);  in tc86c001_set_mode()  local
21 	const u8 speed		= drive->dma_mode;  in tc86c001_set_mode()
24 	case XFER_UDMA_4:	mode = 0x00c0; break;  in tc86c001_set_mode()
25 	case XFER_UDMA_3:	mode = 0x00b0; break;  in tc86c001_set_mode()
26 	case XFER_UDMA_2:	mode = 0x00a0; break;  in tc86c001_set_mode()
27 	case XFER_UDMA_1:	mode = 0x0090; break;  in tc86c001_set_mode()
28 	case XFER_UDMA_0:	mode = 0x0080; break;  in tc86c001_set_mode()
29 	case XFER_MW_DMA_2:	mode = 0x0070; break;  in tc86c001_set_mode()
30 	case XFER_MW_DMA_1:	mode = 0x0060; break;  in tc86c001_set_mode()
31 	case XFER_MW_DMA_0:	mode = 0x0050; break;  in tc86c001_set_mode()
32 	case XFER_PIO_4:	mode = 0x0400; break;  in tc86c001_set_mode()
33 	case XFER_PIO_3:	mode = 0x0300; break;  in tc86c001_set_mode()
34 	case XFER_PIO_2:	mode = 0x0200; break;  in tc86c001_set_mode()
35 	case XFER_PIO_1:	mode = 0x0100; break;  in tc86c001_set_mode()
37 	default:		mode = 0x0000; break;  in tc86c001_set_mode()
41 	scr |= mode;  in tc86c001_set_mode()
45 static void tc86c001_set_pio_mode(ide_hwif_t *hwif, ide_drive_t *drive)  in tc86c001_set_pio_mode()  argument
47 	drive->dma_mode = drive->pio_mode;  in tc86c001_set_pio_mode()
48 	tc86c001_set_mode(hwif, drive);  in tc86c001_set_pio_mode()
60  * We work around this by initiating dummy, zero-length DMA transfer on
65 static int tc86c001_timer_expiry(ide_drive_t *drive)  in tc86c001_timer_expiry()  argument
67 	ide_hwif_t *hwif	= drive->hwif;  in tc86c001_timer_expiry()
69 	u8 dma_stat		= inb(hwif->dma_base + ATA_DMA_STATUS);  in tc86c001_timer_expiry()
72 	hwif->expiry = expiry;  in tc86c001_timer_expiry()
75 		unsigned long sc_base	= hwif->config_data;  in tc86c001_timer_expiry()
76 		unsigned long twcr_port	= sc_base + (drive->dn ? 0x06 : 0x04);  in tc86c001_timer_expiry()
77 		u8 dma_cmd		= inb(hwif->dma_base + ATA_DMA_CMD);  in tc86c001_timer_expiry()
80 		       "attempting recovery...\n", drive->name);  in tc86c001_timer_expiry()
83 		outb(dma_cmd & ~0x01, hwif->dma_base + ATA_DMA_CMD);  in tc86c001_timer_expiry()
92 		outb(0x00, hwif->dma_base + ATA_DMA_CMD);  in tc86c001_timer_expiry()
94 		outb(0x01, hwif->dma_base + ATA_DMA_CMD);  in tc86c001_timer_expiry()
106 		return expiry(drive);  in tc86c001_timer_expiry()
109 	return -1;  in tc86c001_timer_expiry()
112 static void tc86c001_dma_start(ide_drive_t *drive)  in tc86c001_dma_start()  argument
114 	ide_hwif_t *hwif	= drive->hwif;  in tc86c001_dma_start()
115 	unsigned long sc_base	= hwif->config_data;  in tc86c001_dma_start()
116 	unsigned long twcr_port	= sc_base + (drive->dn ? 0x06 : 0x04);  in tc86c001_dma_start()
117 	unsigned long nsectors	= blk_rq_sectors(hwif->rq);  in tc86c001_dma_start()
128 	ide_set_hwifdata(hwif, hwif->expiry);  in tc86c001_dma_start()
129 	hwif->expiry = &tc86c001_timer_expiry;  in tc86c001_dma_start()
131 	ide_dma_start(drive);  in tc86c001_dma_start()
136 	struct pci_dev *dev = to_pci_dev(hwif->dev);  in tc86c001_cable_detect()
142 	 * 0=80-pin cable, 1=40-pin cable  in tc86c001_cable_detect()
149 	struct pci_dev *dev	= to_pci_dev(hwif->dev);  in init_hwif_tc86c001()
163 	hwif->config_data = sc_base;  in init_hwif_tc86c001()
165 	if (!hwif->dma_base)  in init_hwif_tc86c001()
175 	hwif->rqsize	 = 0xffff;  in init_hwif_tc86c001()