2 * linux/drivers/ide/pci/siimage.c Version 1.07 Nov 30, 2003
4 * Copyright (C) 2001-2002 Andre Hedrick <andre@linux-ide.org>
5 * Copyright (C) 2003 Red Hat <alan@redhat.com>
7 * May be copied or modified under the terms of the GNU General Public License
9 * Documentation for CMD680:
10 * http://gkernel.sourceforge.net/specs/sii/sii-0680a-v1.31.pdf.bz2
12 * Documentation for SiI 3112:
13 * http://gkernel.sourceforge.net/specs/sii/3112A_SiI-DS-0095-B2.pdf.bz2
15 * Errata and other documentation only available under NDA.
19 * If you are using Marvell SATA-IDE adapters with Maxtor drives
20 * ensure the system is set up for ATA100/UDMA5 not UDMA6.
22 * If you are using WD drives with SATA bridges you must set the
23 * drive to "Single". "Master" will hang
25 * If you have strange problems with nVidia chipset systems please
26 * see the SI support documentation and update your system BIOS
30 #include <linux/config.h>
31 #include <linux/types.h>
32 #include <linux/module.h>
33 #include <linux/pci.h>
34 #include <linux/delay.h>
35 #include <linux/hdreg.h>
36 #include <linux/ide.h>
37 #include <linux/init.h>
41 #undef SIIMAGE_VIRTUAL_DMAPIO
42 #undef SIIMAGE_LARGE_DMA
45 * pdev_is_sata - check if device is SATA
46 * @pdev: PCI device to check
48 * Returns true if this is a SATA controller
51 static int pdev_is_sata(struct pci_dev *pdev)
55 case PCI_DEVICE_ID_SII_3112:
56 case PCI_DEVICE_ID_SII_1210SA:
58 case PCI_DEVICE_ID_SII_680:
66 * is_sata - check if hwif is SATA
67 * @hwif: interface to check
69 * Returns true if this is a SATA controller
72 static inline int is_sata(ide_hwif_t *hwif)
74 return pdev_is_sata(hwif->pci_dev);
78 * siimage_selreg - return register base
82 * Turn a config register offset into the right address in either
83 * PCI space or MMIO space to access the control register in question
84 * Thankfully this is a configuration operation so isnt performance
88 static unsigned long siimage_selreg(ide_hwif_t *hwif, int r)
90 unsigned long base = (unsigned long)hwif->hwif_data;
93 base += (hwif->channel << 6);
95 base += (hwif->channel << 4);
100 * siimage_seldev - return register base
104 * Turn a config register offset into the right address in either
105 * PCI space or MMIO space to access the control register in question
106 * including accounting for the unit shift.
109 static inline unsigned long siimage_seldev(ide_drive_t *drive, int r)
111 ide_hwif_t *hwif = HWIF(drive);
112 unsigned long base = (unsigned long)hwif->hwif_data;
115 base += (hwif->channel << 6);
117 base += (hwif->channel << 4);
118 base |= drive->select.b.unit << drive->select.b.unit;
123 * siimage_ratemask - Compute available modes
126 * Compute the available speeds for the devices on the interface.
127 * For the CMD680 this depends on the clocking mode (scsc), for the
128 * SI3312 SATA controller life is a bit simpler. Enforce UDMA33
129 * as a limit if there is no 80pin cable present.
132 static byte siimage_ratemask (ide_drive_t *drive)
134 ide_hwif_t *hwif = HWIF(drive);
135 u8 mode = 0, scsc = 0;
136 unsigned long base = (unsigned long) hwif->hwif_data;
139 scsc = hwif->INB(base + 0x4A);
141 pci_read_config_byte(hwif->pci_dev, 0x8A, &scsc);
145 if(strstr(drive->id->model, "Maxtor"))
150 if ((scsc & 0x30) == 0x10) /* 133 */
152 else if ((scsc & 0x30) == 0x20) /* 2xPCI */
154 else if ((scsc & 0x30) == 0x00) /* 100 */
156 else /* Disabled ? */
159 if (!eighty_ninty_three(drive))
160 mode = min(mode, (u8)1);
165 * siimage_taskfile_timing - turn timing data to a mode
166 * @hwif: interface to query
168 * Read the timing data for the interface and return the
169 * mode that is being used.
172 static byte siimage_taskfile_timing (ide_hwif_t *hwif)
175 unsigned long addr = siimage_selreg(hwif, 2);
178 timing = hwif->INW(addr);
180 pci_read_config_word(hwif->pci_dev, addr, &timing);
183 case 0x10c1: return 4;
184 case 0x10c3: return 3;
186 case 0x1281: return 2;
187 case 0x2283: return 1;
194 * simmage_tuneproc - tune a drive
195 * @drive: drive to tune
196 * @mode_wanted: the target operating mode
198 * Load the timing settings for this device mode into the
199 * controller. If we are in PIO mode 3 or 4 turn on IORDY
200 * monitoring (bit 9). The TF timing is bits 31:16
203 static void siimage_tuneproc (ide_drive_t *drive, byte mode_wanted)
205 ide_hwif_t *hwif = HWIF(drive);
208 unsigned long addr = siimage_seldev(drive, 0x04);
209 unsigned long tfaddr = siimage_selreg(hwif, 0x02);
211 /* cheat for now and use the docs */
212 switch(mode_wanted) {
237 hwif->OUTW(speedt, addr);
238 hwif->OUTW(speedp, tfaddr);
239 /* Now set up IORDY */
240 if(mode_wanted == 3 || mode_wanted == 4)
241 hwif->OUTW(hwif->INW(tfaddr-2)|0x200, tfaddr-2);
243 hwif->OUTW(hwif->INW(tfaddr-2)&~0x200, tfaddr-2);
247 pci_write_config_word(hwif->pci_dev, addr, speedp);
248 pci_write_config_word(hwif->pci_dev, tfaddr, speedt);
249 pci_read_config_word(hwif->pci_dev, tfaddr-2, &speedp);
251 /* Set IORDY for mode 3 or 4 */
252 if(mode_wanted == 3 || mode_wanted == 4)
254 pci_write_config_word(hwif->pci_dev, tfaddr-2, speedp);
259 * config_siimage_chipset_for_pio - set drive timings
260 * @drive: drive to tune
263 * Compute the best pio mode we can for a given device. Also honour
264 * the timings for the driver when dealing with mixed devices. Some
265 * of this is ugly but its all wrapped up here
267 * The SI680 can also do VDMA - we need to start using that
269 * FIXME: we use the BIOS channel timings to avoid driving the task
270 * files too fast at the disk. We need to compute the master/slave
271 * drive PIO mode properly so that we can up the speed on a hotplug
275 static void config_siimage_chipset_for_pio (ide_drive_t *drive, byte set_speed)
277 u8 channel_timings = siimage_taskfile_timing(HWIF(drive));
278 u8 speed = 0, set_pio = ide_get_best_pio_mode(drive, 4, 5, NULL);
280 /* WARNING PIO timing mess is going to happen b/w devices, argh */
281 if ((channel_timings != set_pio) && (set_pio > channel_timings))
282 set_pio = channel_timings;
284 siimage_tuneproc(drive, set_pio);
285 speed = XFER_PIO_0 + set_pio;
287 (void) ide_config_drive_speed(drive, speed);
290 static void config_chipset_for_pio (ide_drive_t *drive, byte set_speed)
292 config_siimage_chipset_for_pio(drive, set_speed);
296 * siimage_tune_chipset - set controller timings
297 * @drive: Drive to set up
298 * @xferspeed: speed we want to achieve
300 * Tune the SII chipset for the desired mode. If we can't achieve
301 * the desired mode then tune for a lower one, but ultimately
302 * make the thing work.
305 static int siimage_tune_chipset (ide_drive_t *drive, byte xferspeed)
307 u8 ultra6[] = { 0x0F, 0x0B, 0x07, 0x05, 0x03, 0x02, 0x01 };
308 u8 ultra5[] = { 0x0C, 0x07, 0x05, 0x04, 0x02, 0x01 };
309 u16 dma[] = { 0x2208, 0x10C2, 0x10C1 };
311 ide_hwif_t *hwif = HWIF(drive);
312 u16 ultra = 0, multi = 0;
313 u8 mode = 0, unit = drive->select.b.unit;
314 u8 speed = ide_rate_filter(siimage_ratemask(drive), xferspeed);
315 unsigned long base = (unsigned long)hwif->hwif_data;
316 u8 scsc = 0, addr_mask = ((hwif->channel) ?
317 ((hwif->mmio) ? 0xF4 : 0x84) :
318 ((hwif->mmio) ? 0xB4 : 0x80));
320 unsigned long ma = siimage_seldev(drive, 0x08);
321 unsigned long ua = siimage_seldev(drive, 0x0C);
324 scsc = hwif->INB(base + 0x4A);
325 mode = hwif->INB(base + addr_mask);
326 multi = hwif->INW(ma);
327 ultra = hwif->INW(ua);
329 pci_read_config_byte(hwif->pci_dev, 0x8A, &scsc);
330 pci_read_config_byte(hwif->pci_dev, addr_mask, &mode);
331 pci_read_config_word(hwif->pci_dev, ma, &multi);
332 pci_read_config_word(hwif->pci_dev, ua, &ultra);
335 mode &= ~((unit) ? 0x30 : 0x03);
337 scsc = ((scsc & 0x30) == 0x00) ? 0 : 1;
339 scsc = is_sata(hwif) ? 1 : scsc;
347 siimage_tuneproc(drive, (speed - XFER_PIO_0));
348 mode |= ((unit) ? 0x10 : 0x01);
353 multi = dma[speed - XFER_MW_DMA_0];
354 mode |= ((unit) ? 0x20 : 0x02);
355 config_siimage_chipset_for_pio(drive, 0);
365 ultra |= ((scsc) ? (ultra6[speed - XFER_UDMA_0]) :
366 (ultra5[speed - XFER_UDMA_0]));
367 mode |= ((unit) ? 0x30 : 0x03);
368 config_siimage_chipset_for_pio(drive, 0);
375 hwif->OUTB(mode, base + addr_mask);
376 hwif->OUTW(multi, ma);
377 hwif->OUTW(ultra, ua);
379 pci_write_config_byte(hwif->pci_dev, addr_mask, mode);
380 pci_write_config_word(hwif->pci_dev, ma, multi);
381 pci_write_config_word(hwif->pci_dev, ua, ultra);
383 return (ide_config_drive_speed(drive, speed));
387 * config_chipset_for_dma - configure for DMA
388 * @drive: drive to configure
390 * Called by the IDE layer when it wants the timings set up.
391 * For the CMD680 we also need to set up the PIO timings and
395 static int config_chipset_for_dma (ide_drive_t *drive)
397 u8 speed = ide_dma_speed(drive, siimage_ratemask(drive));
399 config_chipset_for_pio(drive, !speed);
404 if (ide_set_xfer_rate(drive, speed))
407 if (!drive->init_speed)
408 drive->init_speed = speed;
410 return ide_dma_enable(drive);
414 * siimage_configure_drive_for_dma - set up for DMA transfers
415 * @drive: drive we are going to set up
417 * Set up the drive for DMA, tune the controller and drive as
418 * required. If the drive isn't suitable for DMA or we hit
419 * other problems then we will drop down to PIO and set up
423 static int siimage_config_drive_for_dma (ide_drive_t *drive)
425 ide_hwif_t *hwif = HWIF(drive);
426 struct hd_driveid *id = drive->id;
428 if ((id->capability & 1) != 0 && drive->autodma) {
430 if (ide_use_dma(drive)) {
431 if (config_chipset_for_dma(drive))
432 return hwif->ide_dma_on(drive);
437 } else if ((id->capability & 8) || (id->field_valid & 2)) {
439 config_chipset_for_pio(drive, 1);
440 return hwif->ide_dma_off_quietly(drive);
442 /* IORDY not supported */
446 /* returns 1 if dma irq issued, 0 otherwise */
447 static int siimage_io_ide_dma_test_irq (ide_drive_t *drive)
449 ide_hwif_t *hwif = HWIF(drive);
451 unsigned long addr = siimage_selreg(hwif, 1);
453 /* return 1 if INTR asserted */
454 if ((hwif->INB(hwif->dma_status) & 4) == 4)
457 /* return 1 if Device INTR asserted */
458 pci_read_config_byte(hwif->pci_dev, addr, &dma_altstat);
460 return 0; //return 1;
466 * siimage_mmio_ide_dma_count - DMA bytes done
469 * If we are doing VDMA the CMD680 requires a little bit
470 * of more careful handling and we have to read the counts
471 * off ourselves. For non VDMA life is normal.
474 static int siimage_mmio_ide_dma_count (ide_drive_t *drive)
476 #ifdef SIIMAGE_VIRTUAL_DMAPIO
477 struct request *rq = HWGROUP(drive)->rq;
478 ide_hwif_t *hwif = HWIF(drive);
479 u32 count = (rq->nr_sectors * SECTOR_SIZE);
481 unsigned long addr = siimage_selreg(hwif, 0x1C);
483 hwif->OUTL(count, addr);
484 rcount = hwif->INL(addr);
486 printk("\n%s: count = %d, rcount = %d, nr_sectors = %lu\n",
487 drive->name, count, rcount, rq->nr_sectors);
489 #endif /* SIIMAGE_VIRTUAL_DMAPIO */
490 return __ide_dma_count(drive);
495 * siimage_mmio_ide_dma_test_irq - check we caused an IRQ
496 * @drive: drive we are testing
498 * Check if we caused an IDE DMA interrupt. We may also have caused
499 * SATA status interrupts, if so we clean them up and continue.
502 static int siimage_mmio_ide_dma_test_irq (ide_drive_t *drive)
504 ide_hwif_t *hwif = HWIF(drive);
505 unsigned long base = (unsigned long)hwif->hwif_data;
506 unsigned long addr = siimage_selreg(hwif, 0x1);
508 if (SATA_ERROR_REG) {
509 u32 ext_stat = hwif->INL(base + 0x10);
511 if (ext_stat & ((hwif->channel) ? 0x40 : 0x10)) {
512 u32 sata_error = hwif->INL(SATA_ERROR_REG);
513 hwif->OUTL(sata_error, SATA_ERROR_REG);
514 watchdog = (sata_error & 0x00680000) ? 1 : 0;
516 printk(KERN_WARNING "%s: sata_error = 0x%08x, "
517 "watchdog = %d, %s\n",
518 drive->name, sata_error, watchdog,
523 watchdog = (ext_stat & 0x8000) ? 1 : 0;
527 if (!(ext_stat & 0x0404) && !watchdog)
531 /* return 1 if INTR asserted */
532 if ((hwif->INB(hwif->dma_status) & 0x04) == 0x04)
535 /* return 1 if Device INTR asserted */
536 if ((hwif->INB(addr) & 8) == 8)
537 return 0; //return 1;
543 * siimage_busproc - bus isolation ioctl
544 * @drive: drive to isolate/restore
545 * @state: bus state to set
547 * Used by the SII3112 to handle bus isolation. As this is a
548 * SATA controller the work required is quite limited, we
549 * just have to clean up the statistics
552 static int siimage_busproc (ide_drive_t * drive, int state)
554 ide_hwif_t *hwif = HWIF(drive);
556 unsigned long addr = siimage_selreg(hwif, 0);
559 stat_config = hwif->INL(addr);
561 pci_read_config_dword(hwif->pci_dev, addr, &stat_config);
565 hwif->drives[0].failures = 0;
566 hwif->drives[1].failures = 0;
569 hwif->drives[0].failures = hwif->drives[0].max_failures + 1;
570 hwif->drives[1].failures = hwif->drives[1].max_failures + 1;
572 case BUSSTATE_TRISTATE:
573 hwif->drives[0].failures = hwif->drives[0].max_failures + 1;
574 hwif->drives[1].failures = hwif->drives[1].max_failures + 1;
579 hwif->bus_state = state;
584 * siimage_reset_poll - wait for sata reset
585 * @drive: drive we are resetting
587 * Poll the SATA phy and see whether it has come back from the dead
591 static int siimage_reset_poll (ide_drive_t *drive)
593 if (SATA_STATUS_REG) {
594 ide_hwif_t *hwif = HWIF(drive);
596 if ((hwif->INL(SATA_STATUS_REG) & 0x03) != 0x03) {
597 printk(KERN_WARNING "%s: reset phy dead, status=0x%08x\n",
598 hwif->name, hwif->INL(SATA_STATUS_REG));
599 HWGROUP(drive)->polling = 0;
609 * siimage_pre_reset - reset hook
610 * @drive: IDE device being reset
612 * For the SATA devices we need to handle recalibration/geometry
616 static void siimage_pre_reset (ide_drive_t *drive)
618 if (drive->media != ide_disk)
621 if (is_sata(HWIF(drive)))
623 drive->special.b.set_geometry = 0;
624 drive->special.b.recalibrate = 0;
629 * siimage_reset - reset a device on an siimage controller
630 * @drive: drive to reset
632 * Perform a controller level reset fo the device. For
633 * SATA we must also check the PHY.
636 static void siimage_reset (ide_drive_t *drive)
638 ide_hwif_t *hwif = HWIF(drive);
640 unsigned long addr = siimage_selreg(hwif, 0);
643 reset = hwif->INB(addr);
644 hwif->OUTB((reset|0x03), addr);
647 hwif->OUTB(reset, addr);
648 (void) hwif->INB(addr);
650 pci_read_config_byte(hwif->pci_dev, addr, &reset);
651 pci_write_config_byte(hwif->pci_dev, addr, reset|0x03);
653 pci_write_config_byte(hwif->pci_dev, addr, reset);
654 pci_read_config_byte(hwif->pci_dev, addr, &reset);
657 if (SATA_STATUS_REG) {
658 u32 sata_stat = hwif->INL(SATA_STATUS_REG);
659 printk(KERN_WARNING "%s: reset phy, status=0x%08x, %s\n",
660 hwif->name, sata_stat, __FUNCTION__);
662 printk(KERN_WARNING "%s: reset phy dead, status=0x%08x\n",
663 hwif->name, sata_stat);
671 * proc_reports_siimage - add siimage controller to proc
673 * @clocking: SCSC value
674 * @name: controller name
676 * Report the clocking mode of the controller and add it to
677 * the /proc interface layer
680 static void proc_reports_siimage (struct pci_dev *dev, u8 clocking, const char *name)
682 if (!pdev_is_sata(dev)) {
683 printk(KERN_INFO "%s: BASE CLOCK ", name);
686 case 0x03: printk("DISABLED!\n"); break;
687 case 0x02: printk("== 2X PCI\n"); break;
688 case 0x01: printk("== 133\n"); break;
689 case 0x00: printk("== 100\n"); break;
695 * setup_mmio_siimage - switch an SI controller into MMIO
696 * @dev: PCI device we are configuring
699 * Attempt to put the device into mmio mode. There are some slight
700 * complications here with certain systems where the mmio bar isnt
701 * mapped so we have to be sure we can fall back to I/O.
704 static unsigned int setup_mmio_siimage (struct pci_dev *dev, const char *name)
706 unsigned long bar5 = pci_resource_start(dev, 5);
707 unsigned long barsize = pci_resource_len(dev, 5);
709 void __iomem *ioaddr;
713 * Drop back to PIO if we can't map the mmio. Some
714 * systems seem to get terminally confused in the PCI
718 if(!request_mem_region(bar5, barsize, name))
720 printk(KERN_WARNING "siimage: IDE controller MMIO ports not available.\n");
724 ioaddr = ioremap(bar5, barsize);
728 release_mem_region(bar5, barsize);
733 pci_set_drvdata(dev, (void *) ioaddr);
735 if (pdev_is_sata(dev)) {
736 /* make sure IDE0/1 interrupts are not masked */
737 irq_mask = (1 << 22) | (1 << 23);
738 tmp = readl(ioaddr + 0x48);
739 if (tmp & irq_mask) {
741 writel(tmp, ioaddr + 0x48);
742 readl(ioaddr + 0x48); /* flush */
744 writel(0, ioaddr + 0x148);
745 writel(0, ioaddr + 0x1C8);
748 writeb(0, ioaddr + 0xB4);
749 writeb(0, ioaddr + 0xF4);
750 tmpbyte = readb(ioaddr + 0x4A);
752 switch(tmpbyte & 0x30) {
754 /* In 100 MHz clocking, try and switch to 133 */
755 writeb(tmpbyte|0x10, ioaddr + 0x4A);
758 /* On 133Mhz clocking */
761 /* On PCIx2 clocking */
764 /* Clocking is disabled */
765 /* 133 clock attempt to force it on */
766 writeb(tmpbyte & ~0x20, ioaddr + 0x4A);
770 writeb( 0x72, ioaddr + 0xA1);
771 writew( 0x328A, ioaddr + 0xA2);
772 writel(0x62DD62DD, ioaddr + 0xA4);
773 writel(0x43924392, ioaddr + 0xA8);
774 writel(0x40094009, ioaddr + 0xAC);
775 writeb( 0x72, ioaddr + 0xE1);
776 writew( 0x328A, ioaddr + 0xE2);
777 writel(0x62DD62DD, ioaddr + 0xE4);
778 writel(0x43924392, ioaddr + 0xE8);
779 writel(0x40094009, ioaddr + 0xEC);
781 if (pdev_is_sata(dev)) {
782 writel(0xFFFF0000, ioaddr + 0x108);
783 writel(0xFFFF0000, ioaddr + 0x188);
784 writel(0x00680000, ioaddr + 0x148);
785 writel(0x00680000, ioaddr + 0x1C8);
788 tmpbyte = readb(ioaddr + 0x4A);
790 proc_reports_siimage(dev, (tmpbyte>>4), name);
795 * init_chipset_siimage - set up an SI device
799 * Perform the initial PCI set up for this device. Attempt to switch
800 * to 133MHz clocking if the system isn't already set up to do it.
803 static unsigned int __devinit init_chipset_siimage(struct pci_dev *dev, const char *name)
809 pci_read_config_dword(dev, PCI_CLASS_REVISION, &class_rev);
811 pci_write_config_byte(dev, PCI_CACHE_LINE_SIZE, (class_rev) ? 1 : 255);
813 pci_read_config_byte(dev, 0x8A, &BA5_EN);
814 if ((BA5_EN & 0x01) || (pci_resource_start(dev, 5))) {
815 if (setup_mmio_siimage(dev, name)) {
820 pci_write_config_byte(dev, 0x80, 0x00);
821 pci_write_config_byte(dev, 0x84, 0x00);
822 pci_read_config_byte(dev, 0x8A, &tmpbyte);
823 switch(tmpbyte & 0x30) {
825 /* 133 clock attempt to force it on */
826 pci_write_config_byte(dev, 0x8A, tmpbyte|0x10);
828 /* if clocking is disabled */
829 /* 133 clock attempt to force it on */
830 pci_write_config_byte(dev, 0x8A, tmpbyte & ~0x20);
835 /* BIOS set PCI x2 clocking */
839 pci_read_config_byte(dev, 0x8A, &tmpbyte);
841 pci_write_config_byte(dev, 0xA1, 0x72);
842 pci_write_config_word(dev, 0xA2, 0x328A);
843 pci_write_config_dword(dev, 0xA4, 0x62DD62DD);
844 pci_write_config_dword(dev, 0xA8, 0x43924392);
845 pci_write_config_dword(dev, 0xAC, 0x40094009);
846 pci_write_config_byte(dev, 0xB1, 0x72);
847 pci_write_config_word(dev, 0xB2, 0x328A);
848 pci_write_config_dword(dev, 0xB4, 0x62DD62DD);
849 pci_write_config_dword(dev, 0xB8, 0x43924392);
850 pci_write_config_dword(dev, 0xBC, 0x40094009);
852 proc_reports_siimage(dev, (tmpbyte>>4), name);
857 * init_mmio_iops_siimage - set up the iops for MMIO
858 * @hwif: interface to set up
860 * The basic setup here is fairly simple, we can use standard MMIO
861 * operations. However we do have to set the taskfile register offsets
862 * by hand as there isnt a standard defined layout for them this
865 * The hardware supports buffered taskfiles and also some rather nice
866 * extended PRD tables. Unfortunately right now we don't.
869 static void __devinit init_mmio_iops_siimage(ide_hwif_t *hwif)
871 struct pci_dev *dev = hwif->pci_dev;
872 void *addr = pci_get_drvdata(dev);
873 u8 ch = hwif->channel;
878 * Fill in the basic HWIF bits
881 default_hwif_mmiops(hwif);
882 hwif->hwif_data = addr;
885 * Now set up the hw. We have to do this ourselves as
886 * the MMIO layout isnt the same as the the standard port
890 memset(&hw, 0, sizeof(hw_regs_t));
892 base = (unsigned long)addr;
899 * The buffered task file doesn't have status/control
900 * so we can't currently use it sanely since we want to
904 // hwif->no_lba48 = 1;
906 hw.io_ports[IDE_DATA_OFFSET] = base;
907 hw.io_ports[IDE_ERROR_OFFSET] = base + 1;
908 hw.io_ports[IDE_NSECTOR_OFFSET] = base + 2;
909 hw.io_ports[IDE_SECTOR_OFFSET] = base + 3;
910 hw.io_ports[IDE_LCYL_OFFSET] = base + 4;
911 hw.io_ports[IDE_HCYL_OFFSET] = base + 5;
912 hw.io_ports[IDE_SELECT_OFFSET] = base + 6;
913 hw.io_ports[IDE_STATUS_OFFSET] = base + 7;
914 hw.io_ports[IDE_CONTROL_OFFSET] = base + 10;
916 hw.io_ports[IDE_IRQ_OFFSET] = 0;
918 if (pdev_is_sata(dev)) {
919 base = (unsigned long)addr;
922 hwif->sata_scr[SATA_STATUS_OFFSET] = base + 0x104;
923 hwif->sata_scr[SATA_ERROR_OFFSET] = base + 0x108;
924 hwif->sata_scr[SATA_CONTROL_OFFSET] = base + 0x100;
925 hwif->sata_misc[SATA_MISC_OFFSET] = base + 0x140;
926 hwif->sata_misc[SATA_PHY_OFFSET] = base + 0x144;
927 hwif->sata_misc[SATA_IEN_OFFSET] = base + 0x148;
930 hw.irq = hwif->pci_dev->irq;
932 memcpy(&hwif->hw, &hw, sizeof(hw));
933 memcpy(hwif->io_ports, hwif->hw.io_ports, sizeof(hwif->hw.io_ports));
937 base = (unsigned long) addr;
939 #ifdef SIIMAGE_LARGE_DMA
940 /* Watch the brackets - even Ken and Dennis get some language design wrong */
941 hwif->dma_base = base + (ch ? 0x18 : 0x10);
942 hwif->dma_base2 = base + (ch ? 0x08 : 0x00);
943 hwif->dma_prdtable = hwif->dma_base2 + 4;
944 #else /* ! SIIMAGE_LARGE_DMA */
945 hwif->dma_base = base + (ch ? 0x08 : 0x00);
946 hwif->dma_base2 = base + (ch ? 0x18 : 0x10);
947 #endif /* SIIMAGE_LARGE_DMA */
951 static int is_dev_seagate_sata(ide_drive_t *drive)
953 const char *s = &drive->id->model[0];
959 len = strnlen(s, sizeof(drive->id->model));
961 if ((len > 4) && (!memcmp(s, "ST", 2))) {
962 if ((!memcmp(s + len - 2, "AS", 2)) ||
963 (!memcmp(s + len - 3, "ASL", 3))) {
964 printk(KERN_INFO "%s: applying pessimistic Seagate "
965 "errata fix\n", drive->name);
973 * siimage_fixup - post probe fixups
974 * @hwif: interface to fix up
976 * Called after drive probe we use this to decide whether the
977 * Seagate fixup must be applied. This used to be in init_iops but
978 * that can occur before we know what drives are present.
981 static void __devinit siimage_fixup(ide_hwif_t *hwif)
983 /* Try and raise the rqsize */
984 if (!is_sata(hwif) || !is_dev_seagate_sata(&hwif->drives[0]))
989 * init_iops_siimage - set up iops
990 * @hwif: interface to set up
992 * Do the basic setup for the SIIMAGE hardware interface
993 * and then do the MMIO setup if we can. This is the first
994 * look in we get for setting up the hwif so that we
995 * can get the iops right before using them.
998 static void __devinit init_iops_siimage(ide_hwif_t *hwif)
1000 struct pci_dev *dev = hwif->pci_dev;
1003 pci_read_config_dword(dev, PCI_CLASS_REVISION, &class_rev);
1006 hwif->hwif_data = NULL;
1008 /* Pessimal until we finish probing */
1011 if (pci_get_drvdata(dev) == NULL)
1013 init_mmio_iops_siimage(hwif);
1017 * ata66_siimage - check for 80 pin cable
1018 * @hwif: interface to check
1020 * Check for the presence of an ATA66 capable cable on the
1024 static unsigned int __devinit ata66_siimage(ide_hwif_t *hwif)
1026 unsigned long addr = siimage_selreg(hwif, 0);
1027 if (pci_get_drvdata(hwif->pci_dev) == NULL) {
1029 pci_read_config_byte(hwif->pci_dev, addr, &ata66);
1030 return (ata66 & 0x01) ? 1 : 0;
1033 return (hwif->INB(addr) & 0x01) ? 1 : 0;
1037 * init_hwif_siimage - set up hwif structs
1038 * @hwif: interface to set up
1040 * We do the basic set up of the interface structure. The SIIMAGE
1041 * requires several custom handlers so we override the default
1042 * ide DMA handlers appropriately
1045 static void __devinit init_hwif_siimage(ide_hwif_t *hwif)
1049 hwif->resetproc = &siimage_reset;
1050 hwif->speedproc = &siimage_tune_chipset;
1051 hwif->tuneproc = &siimage_tuneproc;
1052 hwif->reset_poll = &siimage_reset_poll;
1053 hwif->pre_reset = &siimage_pre_reset;
1056 hwif->busproc = &siimage_busproc;
1058 if (!hwif->dma_base) {
1059 hwif->drives[0].autotune = 1;
1060 hwif->drives[1].autotune = 1;
1064 hwif->ultra_mask = 0x7f;
1065 hwif->mwdma_mask = 0x07;
1066 hwif->swdma_mask = 0x07;
1069 hwif->atapi_dma = 1;
1071 hwif->ide_dma_check = &siimage_config_drive_for_dma;
1072 if (!(hwif->udma_four))
1073 hwif->udma_four = ata66_siimage(hwif);
1076 hwif->ide_dma_test_irq = &siimage_mmio_ide_dma_test_irq;
1078 hwif->ide_dma_test_irq = & siimage_io_ide_dma_test_irq;
1082 * The BIOS often doesn't set up DMA on this controller
1083 * so we always do it.
1087 hwif->drives[0].autodma = hwif->autodma;
1088 hwif->drives[1].autodma = hwif->autodma;
1091 #define DECLARE_SII_DEV(name_str) \
1094 .init_chipset = init_chipset_siimage, \
1095 .init_iops = init_iops_siimage, \
1096 .init_hwif = init_hwif_siimage, \
1097 .fixup = siimage_fixup, \
1099 .autodma = AUTODMA, \
1100 .bootable = ON_BOARD, \
1103 static ide_pci_device_t siimage_chipsets[] __devinitdata = {
1104 /* 0 */ DECLARE_SII_DEV("SiI680"),
1105 /* 1 */ DECLARE_SII_DEV("SiI3112 Serial ATA"),
1106 /* 2 */ DECLARE_SII_DEV("Adaptec AAR-1210SA")
1110 * siimage_init_one - pci layer discovery entry
1112 * @id: ident table entry
1114 * Called by the PCI code when it finds an SI680 or SI3112 controller.
1115 * We then use the IDE PCI generic helper to do most of the work.
1118 static int __devinit siimage_init_one(struct pci_dev *dev, const struct pci_device_id *id)
1120 return ide_setup_pci_device(dev, &siimage_chipsets[id->driver_data]);
1123 static struct pci_device_id siimage_pci_tbl[] = {
1124 { PCI_VENDOR_ID_CMD, PCI_DEVICE_ID_SII_680, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 0},
1125 #ifdef CONFIG_BLK_DEV_IDE_SATA
1126 { PCI_VENDOR_ID_CMD, PCI_DEVICE_ID_SII_3112, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 1},
1127 { PCI_VENDOR_ID_CMD, PCI_DEVICE_ID_SII_1210SA, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 2},
1131 MODULE_DEVICE_TABLE(pci, siimage_pci_tbl);
1133 static struct pci_driver driver = {
1135 .id_table = siimage_pci_tbl,
1136 .probe = siimage_init_one,
1139 static int siimage_ide_init(void)
1141 return ide_pci_register_driver(&driver);
1144 module_init(siimage_ide_init);
1146 MODULE_AUTHOR("Andre Hedrick, Alan Cox");
1147 MODULE_DESCRIPTION("PCI driver module for SiI IDE");
1148 MODULE_LICENSE("GPL");