2  *  Copyright (C) 1998-2000 Michel Aubry, Maintainer
3  *  Copyright (C) 1998-2000 Andrzej Krzysztofowicz, Maintainer
4  *  Copyright (C) 1999-2000 CJ, cjtsai@ali.com.tw, Maintainer
6  *  Copyright (C) 1998-2000 Andre Hedrick (andre@linux-ide.org)
11  *  Copyright (C) 2007-2010 Bartlomiej Zolnierkiewicz
16  *  9/7/99 --Parts from the above author are included and need to be
34 #include <linux/ide.h>
53 	struct pci_dev *pdev = to_pci_dev(hwif->dev);  in ali_fifo_control()
54 	int pio_fifo = 0x54 + hwif->channel;  in ali_fifo_control()
56 	int shift = 4 * (drive->dn & 1);  in ali_fifo_control()
67 	struct pci_dev *dev = to_pci_dev(hwif->dev);  in ali_program_timings()
68 	int port = hwif->channel ? 0x5c : 0x58;  in ali_program_timings()  local
69 	int udmat = 0x56 + hwif->channel;  in ali_program_timings()
70 	u8 unit = drive->dn & 1, udma;  in ali_program_timings()
82 	t->setup = clamp_val(t->setup, 1, 8) & 7;  in ali_program_timings()
83 	t->act8b = clamp_val(t->act8b, 1, 8) & 7;  in ali_program_timings()
84 	t->rec8b = clamp_val(t->rec8b, 1, 16) & 15;  in ali_program_timings()
85 	t->active = clamp_val(t->active, 1, 8) & 7;  in ali_program_timings()
86 	t->recover = clamp_val(t->recover, 1, 16) & 15;  in ali_program_timings()
88 	pci_write_config_byte(dev, port, t->setup);  in ali_program_timings()
89 	pci_write_config_byte(dev, port + 1, (t->act8b << 4) | t->rec8b);  in ali_program_timings()
90 	pci_write_config_byte(dev, port + unit + 2,  in ali_program_timings()
91 			      (t->active << 4) | t->recover);  in ali_program_timings()
95  *	ali_set_pio_mode	-	set host controller for PIO mode
96  *	@hwif: port
109 	ide_timing_compute(drive, drive->pio_mode, &t, T, 1);  in ali_set_pio_mode()
113 		ide_timing_compute(pair, pair->pio_mode, &p, T, 1);  in ali_set_pio_mode()
116 		if (pair->dma_mode) {  in ali_set_pio_mode()
117 			ide_timing_compute(pair, pair->dma_mode, &p, T, 1);  in ali_set_pio_mode()
126 	ali_fifo_control(hwif, drive, (drive->media == ide_disk) ? 0x05 : 0x00);  in ali_set_pio_mode()
132  *	ali_udma_filter		-	compute UDMA mask
133  *	@drive: IDE device
140  *		Not WDC drives on M1543C-E (?)
146 		if (drive->media != ide_disk)  in ali_udma_filter()
149 		    strstr((char *)&drive->id[ATA_ID_PROD], "WDC "))  in ali_udma_filter()
153 	return drive->hwif->ultra_mask;  in ali_udma_filter()
157  *	ali_set_dma_mode	-	set host controller for DMA mode
158  *	@hwif: port
161  *	Configure the hardware for the desired IDE transfer mode.
167 	struct pci_dev *dev	= to_pci_dev(hwif->dev);  in ali_set_dma_mode()
171 	const u8 speed		= drive->dma_mode;  in ali_set_dma_mode()
176 		ide_timing_compute(drive, drive->dma_mode, &t, T, 1);  in ali_set_dma_mode()
180 			ide_timing_compute(pair, pair->pio_mode, &p, T, 1);  in ali_set_dma_mode()
183 			if (pair->dma_mode) {  in ali_set_dma_mode()
184 				ide_timing_compute(pair, pair->dma_mode,  in ali_set_dma_mode()
193 				udma_timing[speed - XFER_UDMA_0]);  in ali_set_dma_mode()
203  *	ali_dma_check	-	DMA check
212 	if (m5229_revision < 0xC2 && drive->media != ide_disk) {  in ali_dma_check()
213 		if (cmd->tf_flags & IDE_TFLAG_WRITE)  in ali_dma_check()
220  *	init_chipset_ali15x3	-	Initialise an ALi IDE controller
223  *	This function initializes the ALI IDE controller and where 
231 	struct pci_dev *north = pci_get_slot(dev->bus, PCI_DEVFN(0,0));  in init_chipset_ali15x3()
233 	m5229_revision = dev->revision;  in init_chipset_ali15x3()
241 		 * revision 0x20 (1543-E, 1543-F)  in init_chipset_ali15x3()
242 		 * revision 0xC0, 0xC1 (1543C-C, 1543C-D, 1543C-E)  in init_chipset_ali15x3()
243 		 * clear CD-ROM DMA write bit, m5229, 0x4b, bit 7  in init_chipset_ali15x3()
261 	 * 1543C-B?, 1535, 1535D, 1553  in init_chipset_ali15x3()
280 	if (north && north->vendor != PCI_VENDOR_ID_AL)  in init_chipset_ali15x3()
286 		 * set south-bridge's enable bit, m1533, 0x79  in init_chipset_ali15x3()
292 			 * 1543C-B0 (m1533, 0x79, bit 2)  in init_chipset_ali15x3()
311 	 *	0x53 changes meaning on later revs - we must no touch  in init_chipset_ali15x3()
340 			DMI_MATCH(DMI_BOARD_VENDOR, "Hewlett-Packard"),
341 			DMI_MATCH(DMI_BOARD_VERSION, "OmniBook N32N-736"),
345 		.ident = "Toshiba Satellite S1800-814",
348 			DMI_MATCH(DMI_PRODUCT_NAME, "S1800-814"),
357 	if (pdev->subsystem_vendor == 0x10CF &&  in ali_cable_override()
358 	    pdev->subsystem_device == 0x10AF)  in ali_cable_override()
361 	/* Mitac 8317 (Winbook-A) and relatives */  in ali_cable_override()
362 	if (pdev->subsystem_vendor == 0x1071 &&  in ali_cable_override()
363 	    pdev->subsystem_device == 0x8317)  in ali_cable_override()
374  *	ali_cable_detect	-	cable detection
375  *	@hwif: IDE interface
383 	struct pci_dev *dev = to_pci_dev(hwif->dev);  in ali_cable_detect()
388 		 * m5229 80-pin cable detection (from Host View)  in ali_cable_detect()
390 		 * 0x4a bit0 is 0 => primary channel has 80-pin  in ali_cable_detect()
391 		 * 0x4a bit1 is 0 => secondary channel has 80-pin  in ali_cable_detect()
400 			if ((tmpbyte & (1 << hwif->channel)) == 0)  in ali_cable_detect()
410  *	init_hwif_ali15x3	-	Initialize the ALI IDE x86 stuff
413  *	Obtain the IRQ tables for an ALi based IDE solution on the PC
421 	s8 irq_routing_table[] = { -1,  9, 3, 10, 4,  5, 7,  6,  in init_hwif_ali15x3()
423 	int irq = -1;  in init_hwif_ali15x3()
427 		 * read IDE interface control  in init_hwif_ali15x3()
434 		/* get IRQ for IDE Controller */  in init_hwif_ali15x3()
435 		if ((hwif->channel && ideic == 0x03) ||  in init_hwif_ali15x3()
436 		    (!hwif->channel && !ideic)) {  in init_hwif_ali15x3()
443 		} else if (hwif->channel && !(ideic & 0x01)) {  in init_hwif_ali15x3()
452 			hwif->irq = irq;  in init_hwif_ali15x3()
460  *	init_dma_ali15x3	-	set up DMA on ALi15x3
461  *	@hwif: IDE interface
462  *	@d: IDE port info
469 	struct pci_dev *dev = to_pci_dev(hwif->dev);  in init_dma_ali15x3()
473 		return -1;  in init_dma_ali15x3()
475 	hwif->dma_base = base;  in init_dma_ali15x3()
478 		return -1;  in init_dma_ali15x3()
480 	if (ide_pci_set_master(dev, d->name) < 0)  in init_dma_ali15x3()
481 		return -1;  in init_dma_ali15x3()
483 	if (!hwif->channel)  in init_dma_ali15x3()
486 	printk(KERN_INFO "    %s: BM-DMA at 0x%04lx-0x%04lx\n",  in init_dma_ali15x3()
487 			 hwif->name, base, base + 7);  in init_dma_ali15x3()
490 		return -1;  in init_dma_ali15x3()
527  *	alim15x3_init_one	-	set up an ALi15x3 IDE controller
538 	u8 rev = dev->revision, idx = id->driver_data;  in alim15x3_init_one()
601 MODULE_DESCRIPTION("PCI driver module for ALi 15x3 IDE");