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 available under NDA only
13 * If you are using Marvell SATA-IDE adapters with Maxtor drives
14 * ensure the system is set up for ATA100/UDMA5 not UDMA6.
16 * If you are using WD drives with SATA bridges you must set the
17 * drive to "Single". "Master" will hang
19 * If you have strange problems with nVidia chipset systems please
20 * see the SI support documentation and update your system BIOS
24 #include <linux/config.h>
25 #include <linux/types.h>
26 #include <linux/module.h>
27 #include <linux/pci.h>
28 #include <linux/delay.h>
29 #include <linux/hdreg.h>
30 #include <linux/ide.h>
31 #include <linux/init.h>
35 #undef SIIMAGE_VIRTUAL_DMAPIO
36 #undef SIIMAGE_LARGE_DMA
39 * pdev_is_sata - check if device is SATA
40 * @pdev: PCI device to check
42 * Returns true if this is a SATA controller
45 static int pdev_is_sata(struct pci_dev *pdev)
49 case PCI_DEVICE_ID_SII_3112:
50 case PCI_DEVICE_ID_SII_1210SA:
52 case PCI_DEVICE_ID_SII_680:
60 * is_sata - check if hwif is SATA
61 * @hwif: interface to check
63 * Returns true if this is a SATA controller
66 static inline int is_sata(ide_hwif_t *hwif)
68 return pdev_is_sata(hwif->pci_dev);
72 * siimage_selreg - return register base
76 * Turn a config register offset into the right address in either
77 * PCI space or MMIO space to access the control register in question
78 * Thankfully this is a configuration operation so isnt performance
82 static unsigned long siimage_selreg(ide_hwif_t *hwif, int r)
84 unsigned long base = (unsigned long)hwif->hwif_data;
87 base += (hwif->channel << 6);
89 base += (hwif->channel << 4);
94 * siimage_seldev - return register base
98 * Turn a config register offset into the right address in either
99 * PCI space or MMIO space to access the control register in question
100 * including accounting for the unit shift.
103 static inline unsigned long siimage_seldev(ide_drive_t *drive, int r)
105 ide_hwif_t *hwif = HWIF(drive);
106 unsigned long base = (unsigned long)hwif->hwif_data;
109 base += (hwif->channel << 6);
111 base += (hwif->channel << 4);
112 base |= drive->select.b.unit << drive->select.b.unit;
117 * siimage_ratemask - Compute available modes
120 * Compute the available speeds for the devices on the interface.
121 * For the CMD680 this depends on the clocking mode (scsc), for the
122 * SI3312 SATA controller life is a bit simpler. Enforce UDMA33
123 * as a limit if there is no 80pin cable present.
126 static byte siimage_ratemask (ide_drive_t *drive)
128 ide_hwif_t *hwif = HWIF(drive);
129 u8 mode = 0, scsc = 0;
130 unsigned long base = (unsigned long) hwif->hwif_data;
133 scsc = hwif->INB(base + 0x4A);
135 pci_read_config_byte(hwif->pci_dev, 0x8A, &scsc);
139 if(strstr(drive->id->model, "Maxtor"))
144 if ((scsc & 0x30) == 0x10) /* 133 */
146 else if ((scsc & 0x30) == 0x20) /* 2xPCI */
148 else if ((scsc & 0x30) == 0x00) /* 100 */
150 else /* Disabled ? */
153 if (!eighty_ninty_three(drive))
154 mode = min(mode, (u8)1);
159 * siimage_taskfile_timing - turn timing data to a mode
160 * @hwif: interface to query
162 * Read the timing data for the interface and return the
163 * mode that is being used.
166 static byte siimage_taskfile_timing (ide_hwif_t *hwif)
169 unsigned long addr = siimage_selreg(hwif, 2);
172 timing = hwif->INW(addr);
174 pci_read_config_word(hwif->pci_dev, addr, &timing);
177 case 0x10c1: return 4;
178 case 0x10c3: return 3;
180 case 0x1281: return 2;
181 case 0x2283: return 1;
188 * simmage_tuneproc - tune a drive
189 * @drive: drive to tune
190 * @mode_wanted: the target operating mode
192 * Load the timing settings for this device mode into the
193 * controller. If we are in PIO mode 3 or 4 turn on IORDY
194 * monitoring (bit 9). The TF timing is bits 31:16
197 static void siimage_tuneproc (ide_drive_t *drive, byte mode_wanted)
199 ide_hwif_t *hwif = HWIF(drive);
202 unsigned long addr = siimage_seldev(drive, 0x04);
203 unsigned long tfaddr = siimage_selreg(hwif, 0x02);
205 /* cheat for now and use the docs */
206 switch(mode_wanted) {
231 hwif->OUTW(speedt, addr);
232 hwif->OUTW(speedp, tfaddr);
233 /* Now set up IORDY */
234 if(mode_wanted == 3 || mode_wanted == 4)
235 hwif->OUTW(hwif->INW(tfaddr-2)|0x200, tfaddr-2);
237 hwif->OUTW(hwif->INW(tfaddr-2)&~0x200, tfaddr-2);
241 pci_write_config_word(hwif->pci_dev, addr, speedp);
242 pci_write_config_word(hwif->pci_dev, tfaddr, speedt);
243 pci_read_config_word(hwif->pci_dev, tfaddr-2, &speedp);
245 /* Set IORDY for mode 3 or 4 */
246 if(mode_wanted == 3 || mode_wanted == 4)
248 pci_write_config_word(hwif->pci_dev, tfaddr-2, speedp);
253 * config_siimage_chipset_for_pio - set drive timings
254 * @drive: drive to tune
257 * Compute the best pio mode we can for a given device. Also honour
258 * the timings for the driver when dealing with mixed devices. Some
259 * of this is ugly but its all wrapped up here
261 * The SI680 can also do VDMA - we need to start using that
263 * FIXME: we use the BIOS channel timings to avoid driving the task
264 * files too fast at the disk. We need to compute the master/slave
265 * drive PIO mode properly so that we can up the speed on a hotplug
269 static void config_siimage_chipset_for_pio (ide_drive_t *drive, byte set_speed)
271 u8 channel_timings = siimage_taskfile_timing(HWIF(drive));
272 u8 speed = 0, set_pio = ide_get_best_pio_mode(drive, 4, 5, NULL);
274 /* WARNING PIO timing mess is going to happen b/w devices, argh */
275 if ((channel_timings != set_pio) && (set_pio > channel_timings))
276 set_pio = channel_timings;
278 siimage_tuneproc(drive, set_pio);
279 speed = XFER_PIO_0 + set_pio;
281 (void) ide_config_drive_speed(drive, speed);
284 static void config_chipset_for_pio (ide_drive_t *drive, byte set_speed)
286 config_siimage_chipset_for_pio(drive, set_speed);
290 * siimage_tune_chipset - set controller timings
291 * @drive: Drive to set up
292 * @xferspeed: speed we want to achieve
294 * Tune the SII chipset for the desired mode. If we can't achieve
295 * the desired mode then tune for a lower one, but ultimately
296 * make the thing work.
299 static int siimage_tune_chipset (ide_drive_t *drive, byte xferspeed)
301 u8 ultra6[] = { 0x0F, 0x0B, 0x07, 0x05, 0x03, 0x02, 0x01 };
302 u8 ultra5[] = { 0x0C, 0x07, 0x05, 0x04, 0x02, 0x01 };
303 u16 dma[] = { 0x2208, 0x10C2, 0x10C1 };
305 ide_hwif_t *hwif = HWIF(drive);
306 u16 ultra = 0, multi = 0;
307 u8 mode = 0, unit = drive->select.b.unit;
308 u8 speed = ide_rate_filter(siimage_ratemask(drive), xferspeed);
309 unsigned long base = (unsigned long)hwif->hwif_data;
310 u8 scsc = 0, addr_mask = ((hwif->channel) ?
311 ((hwif->mmio) ? 0xF4 : 0x84) :
312 ((hwif->mmio) ? 0xB4 : 0x80));
314 unsigned long ma = siimage_seldev(drive, 0x08);
315 unsigned long ua = siimage_seldev(drive, 0x0C);
318 scsc = hwif->INB(base + 0x4A);
319 mode = hwif->INB(base + addr_mask);
320 multi = hwif->INW(ma);
321 ultra = hwif->INW(ua);
323 pci_read_config_byte(hwif->pci_dev, 0x8A, &scsc);
324 pci_read_config_byte(hwif->pci_dev, addr_mask, &mode);
325 pci_read_config_word(hwif->pci_dev, ma, &multi);
326 pci_read_config_word(hwif->pci_dev, ua, &ultra);
329 mode &= ~((unit) ? 0x30 : 0x03);
331 scsc = ((scsc & 0x30) == 0x00) ? 0 : 1;
333 scsc = is_sata(hwif) ? 1 : scsc;
341 siimage_tuneproc(drive, (speed - XFER_PIO_0));
342 mode |= ((unit) ? 0x10 : 0x01);
347 multi = dma[speed - XFER_MW_DMA_0];
348 mode |= ((unit) ? 0x20 : 0x02);
349 config_siimage_chipset_for_pio(drive, 0);
359 ultra |= ((scsc) ? (ultra6[speed - XFER_UDMA_0]) :
360 (ultra5[speed - XFER_UDMA_0]));
361 mode |= ((unit) ? 0x30 : 0x03);
362 config_siimage_chipset_for_pio(drive, 0);
369 hwif->OUTB(mode, base + addr_mask);
370 hwif->OUTW(multi, ma);
371 hwif->OUTW(ultra, ua);
373 pci_write_config_byte(hwif->pci_dev, addr_mask, mode);
374 pci_write_config_word(hwif->pci_dev, ma, multi);
375 pci_write_config_word(hwif->pci_dev, ua, ultra);
377 return (ide_config_drive_speed(drive, speed));
381 * config_chipset_for_dma - configure for DMA
382 * @drive: drive to configure
384 * Called by the IDE layer when it wants the timings set up.
385 * For the CMD680 we also need to set up the PIO timings and
389 static int config_chipset_for_dma (ide_drive_t *drive)
391 u8 speed = ide_dma_speed(drive, siimage_ratemask(drive));
393 config_chipset_for_pio(drive, !speed);
398 if (ide_set_xfer_rate(drive, speed))
401 if (!drive->init_speed)
402 drive->init_speed = speed;
404 return ide_dma_enable(drive);
408 * siimage_configure_drive_for_dma - set up for DMA transfers
409 * @drive: drive we are going to set up
411 * Set up the drive for DMA, tune the controller and drive as
412 * required. If the drive isn't suitable for DMA or we hit
413 * other problems then we will drop down to PIO and set up
417 static int siimage_config_drive_for_dma (ide_drive_t *drive)
419 ide_hwif_t *hwif = HWIF(drive);
420 struct hd_driveid *id = drive->id;
422 if ((id->capability & 1) != 0 && drive->autodma) {
424 if (ide_use_dma(drive)) {
425 if (config_chipset_for_dma(drive))
426 return hwif->ide_dma_on(drive);
431 } else if ((id->capability & 8) || (id->field_valid & 2)) {
433 config_chipset_for_pio(drive, 1);
434 return hwif->ide_dma_off_quietly(drive);
436 /* IORDY not supported */
440 /* returns 1 if dma irq issued, 0 otherwise */
441 static int siimage_io_ide_dma_test_irq (ide_drive_t *drive)
443 ide_hwif_t *hwif = HWIF(drive);
445 unsigned long addr = siimage_selreg(hwif, 1);
447 /* return 1 if INTR asserted */
448 if ((hwif->INB(hwif->dma_status) & 4) == 4)
451 /* return 1 if Device INTR asserted */
452 pci_read_config_byte(hwif->pci_dev, addr, &dma_altstat);
454 return 0; //return 1;
460 * siimage_mmio_ide_dma_count - DMA bytes done
463 * If we are doing VDMA the CMD680 requires a little bit
464 * of more careful handling and we have to read the counts
465 * off ourselves. For non VDMA life is normal.
468 static int siimage_mmio_ide_dma_count (ide_drive_t *drive)
470 #ifdef SIIMAGE_VIRTUAL_DMAPIO
471 struct request *rq = HWGROUP(drive)->rq;
472 ide_hwif_t *hwif = HWIF(drive);
473 u32 count = (rq->nr_sectors * SECTOR_SIZE);
475 unsigned long addr = siimage_selreg(hwif, 0x1C);
477 hwif->OUTL(count, addr);
478 rcount = hwif->INL(addr);
480 printk("\n%s: count = %d, rcount = %d, nr_sectors = %lu\n",
481 drive->name, count, rcount, rq->nr_sectors);
483 #endif /* SIIMAGE_VIRTUAL_DMAPIO */
484 return __ide_dma_count(drive);
489 * siimage_mmio_ide_dma_test_irq - check we caused an IRQ
490 * @drive: drive we are testing
492 * Check if we caused an IDE DMA interrupt. We may also have caused
493 * SATA status interrupts, if so we clean them up and continue.
496 static int siimage_mmio_ide_dma_test_irq (ide_drive_t *drive)
498 ide_hwif_t *hwif = HWIF(drive);
499 unsigned long base = (unsigned long)hwif->hwif_data;
500 unsigned long addr = siimage_selreg(hwif, 0x1);
502 if (SATA_ERROR_REG) {
503 u32 ext_stat = hwif->INL(base + 0x10);
505 if (ext_stat & ((hwif->channel) ? 0x40 : 0x10)) {
506 u32 sata_error = hwif->INL(SATA_ERROR_REG);
507 hwif->OUTL(sata_error, SATA_ERROR_REG);
508 watchdog = (sata_error & 0x00680000) ? 1 : 0;
510 printk(KERN_WARNING "%s: sata_error = 0x%08x, "
511 "watchdog = %d, %s\n",
512 drive->name, sata_error, watchdog,
517 watchdog = (ext_stat & 0x8000) ? 1 : 0;
521 if (!(ext_stat & 0x0404) && !watchdog)
525 /* return 1 if INTR asserted */
526 if ((hwif->INB(hwif->dma_status) & 0x04) == 0x04)
529 /* return 1 if Device INTR asserted */
530 if ((hwif->INB(addr) & 8) == 8)
531 return 0; //return 1;
537 * siimage_busproc - bus isolation ioctl
538 * @drive: drive to isolate/restore
539 * @state: bus state to set
541 * Used by the SII3112 to handle bus isolation. As this is a
542 * SATA controller the work required is quite limited, we
543 * just have to clean up the statistics
546 static int siimage_busproc (ide_drive_t * drive, int state)
548 ide_hwif_t *hwif = HWIF(drive);
550 unsigned long addr = siimage_selreg(hwif, 0);
553 stat_config = hwif->INL(addr);
555 pci_read_config_dword(hwif->pci_dev, addr, &stat_config);
559 hwif->drives[0].failures = 0;
560 hwif->drives[1].failures = 0;
563 hwif->drives[0].failures = hwif->drives[0].max_failures + 1;
564 hwif->drives[1].failures = hwif->drives[1].max_failures + 1;
566 case BUSSTATE_TRISTATE:
567 hwif->drives[0].failures = hwif->drives[0].max_failures + 1;
568 hwif->drives[1].failures = hwif->drives[1].max_failures + 1;
573 hwif->bus_state = state;
578 * siimage_reset_poll - wait for sata reset
579 * @drive: drive we are resetting
581 * Poll the SATA phy and see whether it has come back from the dead
585 static int siimage_reset_poll (ide_drive_t *drive)
587 if (SATA_STATUS_REG) {
588 ide_hwif_t *hwif = HWIF(drive);
590 if ((hwif->INL(SATA_STATUS_REG) & 0x03) != 0x03) {
591 printk(KERN_WARNING "%s: reset phy dead, status=0x%08x\n",
592 hwif->name, hwif->INL(SATA_STATUS_REG));
593 HWGROUP(drive)->polling = 0;
603 * siimage_pre_reset - reset hook
604 * @drive: IDE device being reset
606 * For the SATA devices we need to handle recalibration/geometry
610 static void siimage_pre_reset (ide_drive_t *drive)
612 if (drive->media != ide_disk)
615 if (is_sata(HWIF(drive)))
617 drive->special.b.set_geometry = 0;
618 drive->special.b.recalibrate = 0;
623 * siimage_reset - reset a device on an siimage controller
624 * @drive: drive to reset
626 * Perform a controller level reset fo the device. For
627 * SATA we must also check the PHY.
630 static void siimage_reset (ide_drive_t *drive)
632 ide_hwif_t *hwif = HWIF(drive);
634 unsigned long addr = siimage_selreg(hwif, 0);
637 reset = hwif->INB(addr);
638 hwif->OUTB((reset|0x03), addr);
641 hwif->OUTB(reset, addr);
642 (void) hwif->INB(addr);
644 pci_read_config_byte(hwif->pci_dev, addr, &reset);
645 pci_write_config_byte(hwif->pci_dev, addr, reset|0x03);
647 pci_write_config_byte(hwif->pci_dev, addr, reset);
648 pci_read_config_byte(hwif->pci_dev, addr, &reset);
651 if (SATA_STATUS_REG) {
652 u32 sata_stat = hwif->INL(SATA_STATUS_REG);
653 printk(KERN_WARNING "%s: reset phy, status=0x%08x, %s\n",
654 hwif->name, sata_stat, __FUNCTION__);
656 printk(KERN_WARNING "%s: reset phy dead, status=0x%08x\n",
657 hwif->name, sata_stat);
665 * proc_reports_siimage - add siimage controller to proc
667 * @clocking: SCSC value
668 * @name: controller name
670 * Report the clocking mode of the controller and add it to
671 * the /proc interface layer
674 static void proc_reports_siimage (struct pci_dev *dev, u8 clocking, const char *name)
676 if (!pdev_is_sata(dev)) {
677 printk(KERN_INFO "%s: BASE CLOCK ", name);
680 case 0x03: printk("DISABLED!\n"); break;
681 case 0x02: printk("== 2X PCI\n"); break;
682 case 0x01: printk("== 133\n"); break;
683 case 0x00: printk("== 100\n"); break;
689 * setup_mmio_siimage - switch an SI controller into MMIO
690 * @dev: PCI device we are configuring
693 * Attempt to put the device into mmio mode. There are some slight
694 * complications here with certain systems where the mmio bar isnt
695 * mapped so we have to be sure we can fall back to I/O.
698 static unsigned int setup_mmio_siimage (struct pci_dev *dev, const char *name)
700 unsigned long bar5 = pci_resource_start(dev, 5);
701 unsigned long barsize = pci_resource_len(dev, 5);
703 void __iomem *ioaddr;
707 * Drop back to PIO if we can't map the mmio. Some
708 * systems seem to get terminally confused in the PCI
712 if(!request_mem_region(bar5, barsize, name))
714 printk(KERN_WARNING "siimage: IDE controller MMIO ports not available.\n");
718 ioaddr = ioremap(bar5, barsize);
722 release_mem_region(bar5, barsize);
727 pci_set_drvdata(dev, (void *) ioaddr);
729 if (pdev_is_sata(dev)) {
730 /* make sure IDE0/1 interrupts are not masked */
731 irq_mask = (1 << 22) | (1 << 23);
732 tmp = readl(ioaddr + 0x48);
733 if (tmp & irq_mask) {
735 writel(tmp, ioaddr + 0x48);
736 readl(ioaddr + 0x48); /* flush */
738 writel(0, ioaddr + 0x148);
739 writel(0, ioaddr + 0x1C8);
742 writeb(0, ioaddr + 0xB4);
743 writeb(0, ioaddr + 0xF4);
744 tmpbyte = readb(ioaddr + 0x4A);
746 switch(tmpbyte & 0x30) {
748 /* In 100 MHz clocking, try and switch to 133 */
749 writeb(tmpbyte|0x10, ioaddr + 0x4A);
752 /* On 133Mhz clocking */
755 /* On PCIx2 clocking */
758 /* Clocking is disabled */
759 /* 133 clock attempt to force it on */
760 writeb(tmpbyte & ~0x20, ioaddr + 0x4A);
764 writeb( 0x72, ioaddr + 0xA1);
765 writew( 0x328A, ioaddr + 0xA2);
766 writel(0x62DD62DD, ioaddr + 0xA4);
767 writel(0x43924392, ioaddr + 0xA8);
768 writel(0x40094009, ioaddr + 0xAC);
769 writeb( 0x72, ioaddr + 0xE1);
770 writew( 0x328A, ioaddr + 0xE2);
771 writel(0x62DD62DD, ioaddr + 0xE4);
772 writel(0x43924392, ioaddr + 0xE8);
773 writel(0x40094009, ioaddr + 0xEC);
775 if (pdev_is_sata(dev)) {
776 writel(0xFFFF0000, ioaddr + 0x108);
777 writel(0xFFFF0000, ioaddr + 0x188);
778 writel(0x00680000, ioaddr + 0x148);
779 writel(0x00680000, ioaddr + 0x1C8);
782 tmpbyte = readb(ioaddr + 0x4A);
784 proc_reports_siimage(dev, (tmpbyte>>4), name);
789 * init_chipset_siimage - set up an SI device
793 * Perform the initial PCI set up for this device. Attempt to switch
794 * to 133MHz clocking if the system isn't already set up to do it.
797 static unsigned int __devinit init_chipset_siimage(struct pci_dev *dev, const char *name)
803 pci_read_config_dword(dev, PCI_CLASS_REVISION, &class_rev);
805 pci_write_config_byte(dev, PCI_CACHE_LINE_SIZE, (class_rev) ? 1 : 255);
807 pci_read_config_byte(dev, 0x8A, &BA5_EN);
808 if ((BA5_EN & 0x01) || (pci_resource_start(dev, 5))) {
809 if (setup_mmio_siimage(dev, name)) {
814 pci_write_config_byte(dev, 0x80, 0x00);
815 pci_write_config_byte(dev, 0x84, 0x00);
816 pci_read_config_byte(dev, 0x8A, &tmpbyte);
817 switch(tmpbyte & 0x30) {
819 /* 133 clock attempt to force it on */
820 pci_write_config_byte(dev, 0x8A, tmpbyte|0x10);
822 /* if clocking is disabled */
823 /* 133 clock attempt to force it on */
824 pci_write_config_byte(dev, 0x8A, tmpbyte & ~0x20);
829 /* BIOS set PCI x2 clocking */
833 pci_read_config_byte(dev, 0x8A, &tmpbyte);
835 pci_write_config_byte(dev, 0xA1, 0x72);
836 pci_write_config_word(dev, 0xA2, 0x328A);
837 pci_write_config_dword(dev, 0xA4, 0x62DD62DD);
838 pci_write_config_dword(dev, 0xA8, 0x43924392);
839 pci_write_config_dword(dev, 0xAC, 0x40094009);
840 pci_write_config_byte(dev, 0xB1, 0x72);
841 pci_write_config_word(dev, 0xB2, 0x328A);
842 pci_write_config_dword(dev, 0xB4, 0x62DD62DD);
843 pci_write_config_dword(dev, 0xB8, 0x43924392);
844 pci_write_config_dword(dev, 0xBC, 0x40094009);
846 proc_reports_siimage(dev, (tmpbyte>>4), name);
851 * init_mmio_iops_siimage - set up the iops for MMIO
852 * @hwif: interface to set up
854 * The basic setup here is fairly simple, we can use standard MMIO
855 * operations. However we do have to set the taskfile register offsets
856 * by hand as there isnt a standard defined layout for them this
859 * The hardware supports buffered taskfiles and also some rather nice
860 * extended PRD tables. Unfortunately right now we don't.
863 static void __devinit init_mmio_iops_siimage(ide_hwif_t *hwif)
865 struct pci_dev *dev = hwif->pci_dev;
866 void *addr = pci_get_drvdata(dev);
867 u8 ch = hwif->channel;
872 * Fill in the basic HWIF bits
875 default_hwif_mmiops(hwif);
876 hwif->hwif_data = addr;
879 * Now set up the hw. We have to do this ourselves as
880 * the MMIO layout isnt the same as the the standard port
884 memset(&hw, 0, sizeof(hw_regs_t));
886 base = (unsigned long)addr;
893 * The buffered task file doesn't have status/control
894 * so we can't currently use it sanely since we want to
898 // hwif->no_lba48 = 1;
900 hw.io_ports[IDE_DATA_OFFSET] = base;
901 hw.io_ports[IDE_ERROR_OFFSET] = base + 1;
902 hw.io_ports[IDE_NSECTOR_OFFSET] = base + 2;
903 hw.io_ports[IDE_SECTOR_OFFSET] = base + 3;
904 hw.io_ports[IDE_LCYL_OFFSET] = base + 4;
905 hw.io_ports[IDE_HCYL_OFFSET] = base + 5;
906 hw.io_ports[IDE_SELECT_OFFSET] = base + 6;
907 hw.io_ports[IDE_STATUS_OFFSET] = base + 7;
908 hw.io_ports[IDE_CONTROL_OFFSET] = base + 10;
910 hw.io_ports[IDE_IRQ_OFFSET] = 0;
912 if (pdev_is_sata(dev)) {
913 base = (unsigned long)addr;
916 hwif->sata_scr[SATA_STATUS_OFFSET] = base + 0x104;
917 hwif->sata_scr[SATA_ERROR_OFFSET] = base + 0x108;
918 hwif->sata_scr[SATA_CONTROL_OFFSET] = base + 0x100;
919 hwif->sata_misc[SATA_MISC_OFFSET] = base + 0x140;
920 hwif->sata_misc[SATA_PHY_OFFSET] = base + 0x144;
921 hwif->sata_misc[SATA_IEN_OFFSET] = base + 0x148;
924 hw.irq = hwif->pci_dev->irq;
926 memcpy(&hwif->hw, &hw, sizeof(hw));
927 memcpy(hwif->io_ports, hwif->hw.io_ports, sizeof(hwif->hw.io_ports));
931 base = (unsigned long) addr;
933 #ifdef SIIMAGE_LARGE_DMA
934 /* Watch the brackets - even Ken and Dennis get some language design wrong */
935 hwif->dma_base = base + (ch ? 0x18 : 0x10);
936 hwif->dma_base2 = base + (ch ? 0x08 : 0x00);
937 hwif->dma_prdtable = hwif->dma_base2 + 4;
938 #else /* ! SIIMAGE_LARGE_DMA */
939 hwif->dma_base = base + (ch ? 0x08 : 0x00);
940 hwif->dma_base2 = base + (ch ? 0x18 : 0x10);
941 #endif /* SIIMAGE_LARGE_DMA */
945 static int is_dev_seagate_sata(ide_drive_t *drive)
947 const char *s = &drive->id->model[0];
953 len = strnlen(s, sizeof(drive->id->model));
955 if ((len > 4) && (!memcmp(s, "ST", 2))) {
956 if ((!memcmp(s + len - 2, "AS", 2)) ||
957 (!memcmp(s + len - 3, "ASL", 3))) {
958 printk(KERN_INFO "%s: applying pessimistic Seagate "
959 "errata fix\n", drive->name);
967 * siimage_fixup - post probe fixups
968 * @hwif: interface to fix up
970 * Called after drive probe we use this to decide whether the
971 * Seagate fixup must be applied. This used to be in init_iops but
972 * that can occur before we know what drives are present.
975 static void __devinit siimage_fixup(ide_hwif_t *hwif)
977 /* Try and raise the rqsize */
978 if (!is_sata(hwif) || !is_dev_seagate_sata(&hwif->drives[0]))
983 * init_iops_siimage - set up iops
984 * @hwif: interface to set up
986 * Do the basic setup for the SIIMAGE hardware interface
987 * and then do the MMIO setup if we can. This is the first
988 * look in we get for setting up the hwif so that we
989 * can get the iops right before using them.
992 static void __devinit init_iops_siimage(ide_hwif_t *hwif)
994 struct pci_dev *dev = hwif->pci_dev;
997 pci_read_config_dword(dev, PCI_CLASS_REVISION, &class_rev);
1000 hwif->hwif_data = NULL;
1002 /* Pessimal until we finish probing */
1005 if (pci_get_drvdata(dev) == NULL)
1007 init_mmio_iops_siimage(hwif);
1011 * ata66_siimage - check for 80 pin cable
1012 * @hwif: interface to check
1014 * Check for the presence of an ATA66 capable cable on the
1018 static unsigned int __devinit ata66_siimage(ide_hwif_t *hwif)
1020 unsigned long addr = siimage_selreg(hwif, 0);
1021 if (pci_get_drvdata(hwif->pci_dev) == NULL) {
1023 pci_read_config_byte(hwif->pci_dev, addr, &ata66);
1024 return (ata66 & 0x01) ? 1 : 0;
1027 return (hwif->INB(addr) & 0x01) ? 1 : 0;
1031 * init_hwif_siimage - set up hwif structs
1032 * @hwif: interface to set up
1034 * We do the basic set up of the interface structure. The SIIMAGE
1035 * requires several custom handlers so we override the default
1036 * ide DMA handlers appropriately
1039 static void __devinit init_hwif_siimage(ide_hwif_t *hwif)
1043 hwif->resetproc = &siimage_reset;
1044 hwif->speedproc = &siimage_tune_chipset;
1045 hwif->tuneproc = &siimage_tuneproc;
1046 hwif->reset_poll = &siimage_reset_poll;
1047 hwif->pre_reset = &siimage_pre_reset;
1050 hwif->busproc = &siimage_busproc;
1052 if (!hwif->dma_base) {
1053 hwif->drives[0].autotune = 1;
1054 hwif->drives[1].autotune = 1;
1058 hwif->ultra_mask = 0x7f;
1059 hwif->mwdma_mask = 0x07;
1060 hwif->swdma_mask = 0x07;
1063 hwif->atapi_dma = 1;
1065 hwif->ide_dma_check = &siimage_config_drive_for_dma;
1066 if (!(hwif->udma_four))
1067 hwif->udma_four = ata66_siimage(hwif);
1070 hwif->ide_dma_test_irq = &siimage_mmio_ide_dma_test_irq;
1072 hwif->ide_dma_test_irq = & siimage_io_ide_dma_test_irq;
1076 * The BIOS often doesn't set up DMA on this controller
1077 * so we always do it.
1081 hwif->drives[0].autodma = hwif->autodma;
1082 hwif->drives[1].autodma = hwif->autodma;
1085 #define DECLARE_SII_DEV(name_str) \
1088 .init_chipset = init_chipset_siimage, \
1089 .init_iops = init_iops_siimage, \
1090 .init_hwif = init_hwif_siimage, \
1091 .fixup = siimage_fixup, \
1093 .autodma = AUTODMA, \
1094 .bootable = ON_BOARD, \
1097 static ide_pci_device_t siimage_chipsets[] __devinitdata = {
1098 /* 0 */ DECLARE_SII_DEV("SiI680"),
1099 /* 1 */ DECLARE_SII_DEV("SiI3112 Serial ATA"),
1100 /* 2 */ DECLARE_SII_DEV("Adaptec AAR-1210SA")
1104 * siimage_init_one - pci layer discovery entry
1106 * @id: ident table entry
1108 * Called by the PCI code when it finds an SI680 or SI3112 controller.
1109 * We then use the IDE PCI generic helper to do most of the work.
1112 static int __devinit siimage_init_one(struct pci_dev *dev, const struct pci_device_id *id)
1114 return ide_setup_pci_device(dev, &siimage_chipsets[id->driver_data]);
1117 static struct pci_device_id siimage_pci_tbl[] = {
1118 { PCI_VENDOR_ID_CMD, PCI_DEVICE_ID_SII_680, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 0},
1119 #ifdef CONFIG_BLK_DEV_IDE_SATA
1120 { PCI_VENDOR_ID_CMD, PCI_DEVICE_ID_SII_3112, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 1},
1121 { PCI_VENDOR_ID_CMD, PCI_DEVICE_ID_SII_1210SA, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 2},
1125 MODULE_DEVICE_TABLE(pci, siimage_pci_tbl);
1127 static struct pci_driver driver = {
1129 .id_table = siimage_pci_tbl,
1130 .probe = siimage_init_one,
1133 static int siimage_ide_init(void)
1135 return ide_pci_register_driver(&driver);
1138 module_init(siimage_ide_init);
1140 MODULE_AUTHOR("Andre Hedrick, Alan Cox");
1141 MODULE_DESCRIPTION("PCI driver module for SiI IDE");
1142 MODULE_LICENSE("GPL");