2  * Copyright (C) 2000-2002		Mark Lord <mlord@pobox.com>
54 		// the clock is in bits 8 and 9 of this word  in sc1200_get_pci_clock()
66  * Here are the standard PIO mode 0-4 timings for each "format".
67  * Format-0 uses fast data reg timings, with slower command reg timings.
68  * Format-1 uses fast timings for all registers, but won't work with all drives.
71 	{{0x00009172, 0x00012171, 0x00020080, 0x00032010, 0x00040010},	// format0  33Mhz
72 	 {0xd1329172, 0x71212171, 0x30200080, 0x20102010, 0x00100010},	// format1, 33Mhz
83 	ide_hwif_t *hwif = drive->hwif;  in sc1200_tunepio()
84 	struct pci_dev *pdev = to_pci_dev(hwif->dev);  in sc1200_tunepio()
85 	unsigned int basereg = hwif->channel ? 0x50 : 0x40, format = 0;  in sc1200_tunepio()
91 	pci_write_config_dword(pdev, basereg + ((drive->dn & 1) << 3),  in sc1200_tunepio()
99  *	set the appropriate timing bits on the fly, but that might be
106 	ide_hwif_t *hwif = drive->hwif;  in sc1200_udma_filter()
109 	u8 mask = hwif->ultra_mask;  in sc1200_udma_filter()
113 	mateid = mate->id;  in sc1200_udma_filter()
128 	struct pci_dev		*dev = to_pci_dev(hwif->dev);  in sc1200_set_dma_mode()
131 	unsigned int		basereg = hwif->channel ? 0x50 : 0x40;  in sc1200_set_dma_mode()
132 	const u8		mode = drive->dma_mode;  in sc1200_set_dma_mode()
149 	 * Note that each DMA mode has several timings associated with it.  in sc1200_set_dma_mode()
154 		timings =  udma_timing[pci_clock][mode - XFER_UDMA_0];  in sc1200_set_dma_mode()
156 		timings = mwdma_timing[pci_clock][mode - XFER_MW_DMA_0];  in sc1200_set_dma_mode()
158 	if ((drive->dn & 1) == 0) {  in sc1200_set_dma_mode()
173 	ide_hwif_t *hwif = drive->hwif;  in sc1200_dma_end()
174 	unsigned long dma_base = hwif->dma_base;  in sc1200_dma_end()
177 	dma_stat = inb(dma_base+2);		/* get DMA status */  in sc1200_dma_end()
183 	outb(dma_stat|0x1b, dma_base+2);	/* clear the INTR & ERROR bits */  in sc1200_dma_end()
184 	outb(inb(dma_base)&~1, dma_base);	/* !! DO THIS HERE !! stop DMA */  in sc1200_dma_end()
186 	return (dma_stat & 7) != 4;		/* verify good DMA status */  in sc1200_dma_end()
199 	int		mode = -1;  in sc1200_set_pio_mode()
200 	const u8	pio = drive->pio_mode - XFER_PIO_0;  in sc1200_set_pio_mode()
203 	 * bad abuse of ->set_pio_mode interface  in sc1200_set_pio_mode()
213 	if (mode != -1) {  in sc1200_set_pio_mode()
214 		printk("SC1200: %s: changing (U)DMA mode\n", drive->name);  in sc1200_set_pio_mode()
217 		    (drive->dev_flags & IDE_DFLAG_USING_DMA))  in sc1200_set_pio_mode()
218 			hwif->dma_ops->dma_host_set(drive, 1);  in sc1200_set_pio_mode()
239 		struct sc1200_saved_state *ss = host->host_priv;  in sc1200_suspend()
247 			pci_read_config_dword(dev, 0x40 + r * 4, &ss->regs[r]);  in sc1200_suspend()
258 	struct sc1200_saved_state *ss = host->host_priv;  in sc1200_resume()
271 		pci_write_config_dword(dev, 0x40 + r * 4, ss->regs[r]);  in sc1200_resume()
314 		return -ENOMEM;  in sc1200_init_one()