2  * pata_serverworks.c 	- Serverworks PATA for new ATA layer
10  * Copyright (C) 1998-2000 Michel Aubry
11  * Copyright (C) 1998-2000 Andrzej Krzysztofowicz
12  * Copyright (C) 1998-2000 Andre Hedrick <andre@linux-ide.org>
26  *         *** to detect 80-conductor cable presence. ***
60  *	oem_cable	-	Dell/Sun serverworks cable detection
69 	struct pci_dev *pdev = to_pci_dev(ap->host->dev);  in oem_cable()
71 	if (pdev->subsystem_device & (1 << (ap->port_no + 14)))  in oem_cable()
95  *	serverworks_cable_detect	-	cable detection
104 	struct pci_dev *pdev = to_pci_dev(ap->host->dev);  in serverworks_cable_detect()
107 	while(cb->device) {  in serverworks_cable_detect()
108 		if (cb->device == pdev->device &&  in serverworks_cable_detect()
109 		    (cb->subvendor == pdev->subsystem_vendor ||  in serverworks_cable_detect()
110 		      cb->subvendor == PCI_ANY_ID)) {  in serverworks_cable_detect()
111 			return cb->cable_detect(ap);  in serverworks_cable_detect()
117 	return -1;	/* kill compiler warning */  in serverworks_cable_detect()
121  *	serverworks_is_csb	-	Check for CSB or OSB
130 	switch (pdev->device) {  in serverworks_is_csb()
143  *	serverworks_osb4_filter	-	mode selection filter
154 	if (adev->class == ATA_DEV_ATA)  in serverworks_osb4_filter()
161  *	serverworks_csb_filter	-	mode selection filter
175 	if (adev->class != ATA_DEV_ATA)  in serverworks_csb_filter()
179 	ata_id_c_string(adev->id, model_num, ATA_ID_PROD, sizeof(model_num));  in serverworks_csb_filter()
189  *	serverworks_set_piomode	-	set initial PIO mode data
199 	int offset = 1 + 2 * ap->port_no - adev->devno;  in serverworks_set_piomode()
200 	int devbits = (2 * ap->port_no + adev->devno) * 4;  in serverworks_set_piomode()
202 	struct pci_dev *pdev = to_pci_dev(ap->host->dev);  in serverworks_set_piomode()
203 	int pio = adev->pio_mode - XFER_PIO_0;  in serverworks_set_piomode()
217  *	serverworks_set_dmamode	-	set initial DMA mode data
229 	int offset = 1 + 2 * ap->port_no - adev->devno;  in serverworks_set_dmamode()
230 	int devbits = 2 * ap->port_no + adev->devno;  in serverworks_set_dmamode()
231 	u8 ultra;  in serverworks_set_dmamode()  local
233 	struct pci_dev *pdev = to_pci_dev(ap->host->dev);  in serverworks_set_dmamode()
236 	pci_read_config_byte(pdev, 0x56 + ap->port_no, &ultra);  in serverworks_set_dmamode()
237 	ultra &= ~(0x0F << (adev->devno * 4));  in serverworks_set_dmamode()
239 	if (adev->dma_mode >= XFER_UDMA_0) {  in serverworks_set_dmamode()
242 		ultra |= (adev->dma_mode - XFER_UDMA_0)  in serverworks_set_dmamode()
243 					<< (adev->devno * 4);  in serverworks_set_dmamode()
247 			dma_mode[adev->dma_mode - XFER_MW_DMA_0]);  in serverworks_set_dmamode()
250 	pci_write_config_byte(pdev, 0x56 + ap->port_no, ultra);  in serverworks_set_dmamode()
294 	return -ENODEV;  in serverworks_fixup_osb4()
302 	if (!(PCI_FUNC(pdev->devfn) & 1)) {  in serverworks_fixup_csb()
331 	 * 2. enable DMA modes with bits 0-1  in serverworks_fixup_csb()
339 	if (!(PCI_FUNC(pdev->devfn) & 1))  in serverworks_fixup_csb()
342 		btr |= (pdev->revision >= SVWKS_CSB5_REVISION_NEW) ? 0x3 : 0x2;  in serverworks_fixup_csb()
351 	/* Setup HT1000 SouthBridge Controller - Single Channel Only */  in serverworks_fixup_ht1000()
365 	switch (pdev->device) {  in serverworks_fixup()
405 		}, { /* CSB5 - later revisions*/  in serverworks_init_one()
413 	const struct ata_port_info *ppi[] = { &info[id->driver_data], NULL };  in serverworks_init_one()
424 	if (pdev->device == PCI_DEVICE_ID_SERVERWORKS_OSB4IDE) {  in serverworks_init_one()
431 	else if ((pdev->device == PCI_DEVICE_ID_SERVERWORKS_CSB5IDE) ||  in serverworks_init_one()
432 		 (pdev->device == PCI_DEVICE_ID_SERVERWORKS_CSB6IDE) ||  in serverworks_init_one()
433 		 (pdev->device == PCI_DEVICE_ID_SERVERWORKS_CSB6IDE2)) {  in serverworks_init_one()
441 		if (pdev->device == PCI_DEVICE_ID_SERVERWORKS_CSB6IDE2)  in serverworks_init_one()
489 MODULE_DESCRIPTION("low-level driver for Serverworks OSB4/CSB5/CSB6");