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)
7 * May be copied or modified under the terms of the GNU General Public License
8 * Copyright (C) 2002 Alan Cox <alan@redhat.com>
9 * ALi (now ULi M5228) support by Clear Zhang <Clear.Zhang@ali.com.tw>
10 * Copyright (C) 2007 MontaVista Software, Inc. <source@mvista.com>
11 * Copyright (C) 2007 Bartlomiej Zolnierkiewicz <bzolnier@gmail.com>
13 * (U)DMA capable version of ali 1533/1543(C), 1535(D)
15 **********************************************************************
16 * 9/7/99 --Parts from the above author are included and need to be
17 * converted into standard interface, once I finish the thought.
20 * Don't use LBA48 mode on ALi <= 0xC4
21 * Don't poke 0x79 with a non ALi northbridge
22 * Don't flip undefined bits on newer chipsets (fix Fujitsu laptop hang)
23 * Allow UDMA6 on revisions > 0xC4
26 * Chipset documentation available under NDA only
30 #include <linux/module.h>
31 #include <linux/types.h>
32 #include <linux/kernel.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>
38 #include <linux/dmi.h>
42 #define DISPLAY_ALI_TIMINGS
45 * ALi devices are not plug in. Otherwise these static values would
46 * need to go. They ought to go away anyway
49 static u8 m5229_revision;
50 static u8 chip_is_1543c_e;
51 static struct pci_dev *isa_dev;
53 #if defined(DISPLAY_ALI_TIMINGS) && defined(CONFIG_IDE_PROC_FS)
54 #include <linux/stat.h>
55 #include <linux/proc_fs.h>
57 static u8 ali_proc = 0;
59 static struct pci_dev *bmide_dev;
61 static char *fifo[4] = {
67 static char *udmaT[8] = {
78 static char *channel_status[8] = {
90 * ali_get_info - generate proc file for ALi IDE
91 * @buffer: buffer to fill
92 * @addr: address of user start in buffer
93 * @offset: offset into 'file'
94 * @count: buffer count
96 * Walks the Ali devices and outputs summary data on the tuning and
97 * anything else that will help with debugging
100 static int ali_get_info (char *buffer, char **addr, off_t offset, int count)
103 u8 reg53h, reg5xh, reg5yh, reg5xh1, reg5yh1, c0, c1, rev, tmp;
104 char *q, *p = buffer;
107 pci_read_config_byte(bmide_dev, 0x08, &rev);
108 if (rev >= 0xc1) /* M1543C or newer */
113 /* first fetch bibma: */
115 bibma = pci_resource_start(bmide_dev, 4);
118 * at that point bibma+0x2 et bibma+0xa are byte
119 * registers to investigate:
121 c0 = inb(bibma + 0x02);
122 c1 = inb(bibma + 0x0a);
125 "\n Ali M15x3 Chipset.\n");
127 " ------------------\n");
128 pci_read_config_byte(bmide_dev, 0x78, ®53h);
129 p += sprintf(p, "PCI Clock: %d.\n", reg53h);
131 pci_read_config_byte(bmide_dev, 0x53, ®53h);
133 "CD_ROM FIFO:%s, CD_ROM DMA:%s\n",
134 (reg53h & 0x02) ? "Yes" : "No ",
135 (reg53h & 0x01) ? "Yes" : "No " );
136 pci_read_config_byte(bmide_dev, 0x74, ®53h);
138 "FIFO Status: contains %d Words, runs%s%s\n\n",
140 (reg53h & 0x40) ? " OVERWR" : "",
141 (reg53h & 0x80) ? " OVERRD." : "." );
144 "-------------------primary channel"
145 "-------------------secondary channel"
148 pci_read_config_byte(bmide_dev, 0x09, ®53h);
152 (reg53h & 0x20) ? "On " : "Off",
153 (reg53h & 0x10) ? "On " : "Off" );
156 "both channels togth: %s"
158 (c0&0x80) ? "No " : "Yes",
159 (c1&0x80) ? "No " : "Yes" );
161 pci_read_config_byte(bmide_dev, 0x76, ®53h);
163 "Channel state: %s %s\n",
164 channel_status[reg53h & 0x07],
165 channel_status[(reg53h & 0x70) >> 4] );
167 pci_read_config_byte(bmide_dev, 0x58, ®5xh);
168 pci_read_config_byte(bmide_dev, 0x5c, ®5yh);
170 "Add. Setup Timing: %dT"
172 (reg5xh & 0x07) ? (reg5xh & 0x07) : 8,
173 (reg5yh & 0x07) ? (reg5yh & 0x07) : 8 );
175 pci_read_config_byte(bmide_dev, 0x59, ®5xh);
176 pci_read_config_byte(bmide_dev, 0x5d, ®5yh);
178 "Command Act. Count: %dT"
180 "Command Rec. Count: %dT"
182 (reg5xh & 0x70) ? ((reg5xh & 0x70) >> 4) : 8,
183 (reg5yh & 0x70) ? ((reg5yh & 0x70) >> 4) : 8,
184 (reg5xh & 0x0f) ? (reg5xh & 0x0f) : 16,
185 (reg5yh & 0x0f) ? (reg5yh & 0x0f) : 16 );
188 "----------------drive0-----------drive1"
189 "------------drive0-----------drive1------\n\n");
193 (c0&0x20) ? "Yes" : "No ",
194 (c0&0x40) ? "Yes" : "No ",
195 (c1&0x20) ? "Yes" : "No ",
196 (c1&0x40) ? "Yes" : "No " );
198 pci_read_config_byte(bmide_dev, 0x54, ®5xh);
199 pci_read_config_byte(bmide_dev, 0x55, ®5yh);
200 q = "FIFO threshold: %2d Words %2d Words"
201 " %2d Words %2d Words\n";
204 (pci_read_config_byte(bmide_dev, 0x4f, &tmp), (tmp &= 0x20))) {
205 p += sprintf(p, q, 8, 8, 8, 8);
208 (reg5xh & 0x03) + 12,
209 ((reg5xh & 0x30)>>4) + 12,
210 (reg5yh & 0x03) + 12,
211 ((reg5yh & 0x30)>>4) + 12 );
214 int t1 = (tmp = (reg5xh & 0x03)) ? (tmp << 3) : 4;
215 int t2 = (tmp = ((reg5xh & 0x30)>>4)) ? (tmp << 3) : 4;
216 int t3 = (tmp = (reg5yh & 0x03)) ? (tmp << 3) : 4;
217 int t4 = (tmp = ((reg5yh & 0x30)>>4)) ? (tmp << 3) : 4;
218 p += sprintf(p, q, t1, t2, t3, t4);
223 "FIFO threshold: %2d Words %2d Words"
224 " %2d Words %2d Words\n",
225 (reg5xh & 0x03) + 12,
226 ((reg5xh & 0x30)>>4) + 12,
227 (reg5yh & 0x03) + 12,
228 ((reg5yh & 0x30)>>4) + 12 );
232 "FIFO mode: %s %s %s %s\n",
233 fifo[((reg5xh & 0x0c) >> 2)],
234 fifo[((reg5xh & 0xc0) >> 6)],
235 fifo[((reg5yh & 0x0c) >> 2)],
236 fifo[((reg5yh & 0xc0) >> 6)] );
238 pci_read_config_byte(bmide_dev, 0x5a, ®5xh);
239 pci_read_config_byte(bmide_dev, 0x5b, ®5xh1);
240 pci_read_config_byte(bmide_dev, 0x5e, ®5yh);
241 pci_read_config_byte(bmide_dev, 0x5f, ®5yh1);
244 "------------------drive0-----------drive1"
245 "------------drive0-----------drive1------\n")*/
246 "Dt RW act. Cnt %2dT %2dT"
248 "Dt RW rec. Cnt %2dT %2dT"
250 (reg5xh & 0x70) ? ((reg5xh & 0x70) >> 4) : 8,
251 (reg5xh1 & 0x70) ? ((reg5xh1 & 0x70) >> 4) : 8,
252 (reg5yh & 0x70) ? ((reg5yh & 0x70) >> 4) : 8,
253 (reg5yh1 & 0x70) ? ((reg5yh1 & 0x70) >> 4) : 8,
254 (reg5xh & 0x0f) ? (reg5xh & 0x0f) : 16,
255 (reg5xh1 & 0x0f) ? (reg5xh1 & 0x0f) : 16,
256 (reg5yh & 0x0f) ? (reg5yh & 0x0f) : 16,
257 (reg5yh1 & 0x0f) ? (reg5yh1 & 0x0f) : 16 );
260 "-----------------------------------UDMA Timings"
261 "--------------------------------\n\n");
263 pci_read_config_byte(bmide_dev, 0x56, ®5xh);
264 pci_read_config_byte(bmide_dev, 0x57, ®5yh);
268 "UDMA timings: %s %s"
270 (reg5xh & 0x08) ? "OK" : "No",
271 (reg5xh & 0x80) ? "OK" : "No",
272 (reg5yh & 0x08) ? "OK" : "No",
273 (reg5yh & 0x80) ? "OK" : "No",
274 udmaT[(reg5xh & 0x07)],
275 udmaT[(reg5xh & 0x70) >> 4],
276 udmaT[reg5yh & 0x07],
277 udmaT[(reg5yh & 0x70) >> 4] );
279 return p-buffer; /* => must be less than 4k! */
281 #endif /* defined(DISPLAY_ALI_TIMINGS) && defined(CONFIG_IDE_PROC_FS) */
284 * ali_set_pio_mode - set host controller for PIO mode
286 * @pio: PIO mode number
288 * Program the controller for the given PIO mode.
291 static void ali_set_pio_mode(ide_drive_t *drive, const u8 pio)
293 ide_hwif_t *hwif = HWIF(drive);
294 struct pci_dev *dev = to_pci_dev(hwif->dev);
295 int s_time, a_time, c_time;
296 u8 s_clc, a_clc, r_clc;
298 int bus_speed = system_bus_clock();
299 int port = hwif->channel ? 0x5c : 0x58;
300 int portFIFO = hwif->channel ? 0x55 : 0x54;
302 int unit = drive->select.b.unit & 1;
304 s_time = ide_pio_timings[pio].setup_time;
305 a_time = ide_pio_timings[pio].active_time;
306 if ((s_clc = (s_time * bus_speed + 999) / 1000) >= 8)
308 if ((a_clc = (a_time * bus_speed + 999) / 1000) >= 8)
310 c_time = ide_pio_timings[pio].cycle_time;
313 if ((r_clc = ((c_time - s_time - a_time) * bus_speed + 999) / 1000) >= 16)
317 if (!(r_clc = (c_time * bus_speed + 999) / 1000 - a_clc - s_clc)) {
323 local_irq_save(flags);
326 * PIO mode => ATA FIFO on, ATAPI FIFO off
328 pci_read_config_byte(dev, portFIFO, &cd_dma_fifo);
329 if (drive->media==ide_disk) {
331 pci_write_config_byte(dev, portFIFO, (cd_dma_fifo & 0x0F) | 0x50);
333 pci_write_config_byte(dev, portFIFO, (cd_dma_fifo & 0xF0) | 0x05);
337 pci_write_config_byte(dev, portFIFO, cd_dma_fifo & 0x0F);
339 pci_write_config_byte(dev, portFIFO, cd_dma_fifo & 0xF0);
343 pci_write_config_byte(dev, port, s_clc);
344 pci_write_config_byte(dev, port+drive->select.b.unit+2, (a_clc << 4) | r_clc);
345 local_irq_restore(flags);
349 * { 70, 165, 365 }, PIO Mode 0
350 * { 50, 125, 208 }, PIO Mode 1
351 * { 30, 100, 110 }, PIO Mode 2
352 * { 30, 80, 70 }, PIO Mode 3 with IORDY
353 * { 25, 70, 25 }, PIO Mode 4 with IORDY ns
354 * { 20, 50, 30 } PIO Mode 5 with IORDY (nonstandard)
359 * ali_udma_filter - compute UDMA mask
362 * Return available UDMA modes.
364 * The actual rules for the ALi are:
365 * No UDMA on revisions <= 0x20
366 * Disk only for revisions < 0xC2
367 * Not WDC drives for revisions < 0xC2
369 * FIXME: WDC ifdef needs to die
372 static u8 ali_udma_filter(ide_drive_t *drive)
374 if (m5229_revision > 0x20 && m5229_revision < 0xC2) {
375 if (drive->media != ide_disk)
377 #ifndef CONFIG_WDC_ALI15X3
378 if (chip_is_1543c_e && strstr(drive->id->model, "WDC "))
383 return drive->hwif->ultra_mask;
387 * ali_set_dma_mode - set host controller for DMA mode
391 * Configure the hardware for the desired IDE transfer mode.
394 static void ali_set_dma_mode(ide_drive_t *drive, const u8 speed)
396 ide_hwif_t *hwif = HWIF(drive);
397 struct pci_dev *dev = to_pci_dev(hwif->dev);
399 u8 unit = (drive->select.b.unit & 0x01);
401 int m5229_udma = (hwif->channel) ? 0x57 : 0x56;
403 if (speed == XFER_UDMA_6)
406 if (speed < XFER_UDMA_0) {
407 u8 ultra_enable = (unit) ? 0x7f : 0xf7;
409 * clear "ultra enable" bit
411 pci_read_config_byte(dev, m5229_udma, &tmpbyte);
412 tmpbyte &= ultra_enable;
413 pci_write_config_byte(dev, m5229_udma, tmpbyte);
416 * FIXME: Oh, my... DMA timings are never set.
419 pci_read_config_byte(dev, m5229_udma, &tmpbyte);
420 tmpbyte &= (0x0f << ((1-unit) << 2));
422 * enable ultra dma and set timing
424 tmpbyte |= ((0x08 | ((4-speed1)&0x07)) << (unit << 2));
425 pci_write_config_byte(dev, m5229_udma, tmpbyte);
426 if (speed >= XFER_UDMA_3) {
427 pci_read_config_byte(dev, 0x4b, &tmpbyte);
429 pci_write_config_byte(dev, 0x4b, tmpbyte);
435 * ali15x3_dma_setup - begin a DMA phase
436 * @drive: target device
438 * Returns 1 if the DMA cannot be performed, zero on success.
441 static int ali15x3_dma_setup(ide_drive_t *drive)
443 if (m5229_revision < 0xC2 && drive->media != ide_disk) {
444 if (rq_data_dir(drive->hwif->hwgroup->rq))
445 return 1; /* try PIO instead of DMA */
447 return ide_dma_setup(drive);
451 * init_chipset_ali15x3 - Initialise an ALi IDE controller
453 * @name: Name of the controller
455 * This function initializes the ALI IDE controller and where
456 * appropriate also sets up the 1533 southbridge.
459 static unsigned int __devinit init_chipset_ali15x3 (struct pci_dev *dev, const char *name)
463 struct pci_dev *north = pci_get_slot(dev->bus, PCI_DEVFN(0,0));
465 m5229_revision = dev->revision;
467 isa_dev = pci_get_device(PCI_VENDOR_ID_AL, PCI_DEVICE_ID_AL_M1533, NULL);
469 #if defined(DISPLAY_ALI_TIMINGS) && defined(CONFIG_IDE_PROC_FS)
473 ide_pci_create_host_proc("ali", ali_get_info);
475 #endif /* defined(DISPLAY_ALI_TIMINGS) && defined(CONFIG_IDE_PROC_FS) */
477 local_irq_save(flags);
479 if (m5229_revision < 0xC2) {
481 * revision 0x20 (1543-E, 1543-F)
482 * revision 0xC0, 0xC1 (1543C-C, 1543C-D, 1543C-E)
483 * clear CD-ROM DMA write bit, m5229, 0x4b, bit 7
485 pci_read_config_byte(dev, 0x4b, &tmpbyte);
489 pci_write_config_byte(dev, 0x4b, tmpbyte & 0x7F);
491 * check m1533, 0x5e, bit 1~4 == 1001 => & 00011110 = 00010010
493 if (m5229_revision >= 0x20 && isa_dev) {
494 pci_read_config_byte(isa_dev, 0x5e, &tmpbyte);
495 chip_is_1543c_e = ((tmpbyte & 0x1e) == 0x12) ? 1: 0;
501 * 1543C-B?, 1535, 1535D, 1553
502 * Note 1: not all "motherboard" support this detection
503 * Note 2: if no udma 66 device, the detection may "error".
504 * but in this case, we will not set the device to
505 * ultra 66, the detection result is not important
509 * enable "Cable Detection", m5229, 0x4b, bit3
511 pci_read_config_byte(dev, 0x4b, &tmpbyte);
512 pci_write_config_byte(dev, 0x4b, tmpbyte | 0x08);
515 * We should only tune the 1533 enable if we are using an ALi
516 * North bridge. We might have no north found on some zany
517 * box without a device at 0:0.0. The ALi bridge will be at
518 * 0:0.0 so if we didn't find one we know what is cooking.
520 if (north && north->vendor != PCI_VENDOR_ID_AL)
523 if (m5229_revision < 0xC5 && isa_dev)
526 * set south-bridge's enable bit, m1533, 0x79
529 pci_read_config_byte(isa_dev, 0x79, &tmpbyte);
530 if (m5229_revision == 0xC2) {
532 * 1543C-B0 (m1533, 0x79, bit 2)
534 pci_write_config_byte(isa_dev, 0x79, tmpbyte | 0x04);
535 } else if (m5229_revision >= 0xC3) {
537 * 1553/1535 (m1533, 0x79, bit 1)
539 pci_write_config_byte(isa_dev, 0x79, tmpbyte | 0x02);
545 * CD_ROM DMA on (m5229, 0x53, bit0)
546 * Enable this bit even if we want to use PIO.
547 * PIO FIFO off (m5229, 0x53, bit1)
548 * The hardware will use 0x54h and 0x55h to control PIO FIFO.
549 * (Not on later devices it seems)
551 * 0x53 changes meaning on later revs - we must no touch
552 * bit 1 on them. Need to check if 0x20 is the right break.
554 if (m5229_revision >= 0x20) {
555 pci_read_config_byte(dev, 0x53, &tmpbyte);
557 if (m5229_revision <= 0x20)
558 tmpbyte = (tmpbyte & (~0x02)) | 0x01;
559 else if (m5229_revision == 0xc7 || m5229_revision == 0xc8)
564 pci_write_config_byte(dev, 0x53, tmpbyte);
567 pci_dev_put(isa_dev);
568 local_irq_restore(flags);
573 * Cable special cases
576 static const struct dmi_system_id cable_dmi_table[] = {
578 .ident = "HP Pavilion N5430",
580 DMI_MATCH(DMI_BOARD_VENDOR, "Hewlett-Packard"),
581 DMI_MATCH(DMI_BOARD_VERSION, "OmniBook N32N-736"),
585 .ident = "Toshiba Satellite S1800-814",
587 DMI_MATCH(DMI_SYS_VENDOR, "TOSHIBA"),
588 DMI_MATCH(DMI_PRODUCT_NAME, "S1800-814"),
594 static int ali_cable_override(struct pci_dev *pdev)
597 if (pdev->subsystem_vendor == 0x10CF &&
598 pdev->subsystem_device == 0x10AF)
601 /* Mitac 8317 (Winbook-A) and relatives */
602 if (pdev->subsystem_vendor == 0x1071 &&
603 pdev->subsystem_device == 0x8317)
607 if (dmi_check_system(cable_dmi_table))
614 * ata66_ali15x3 - check for UDMA 66 support
615 * @hwif: IDE interface
617 * This checks if the controller and the cable are capable
618 * of UDMA66 transfers. It doesn't check the drives.
619 * But see note 2 below!
621 * FIXME: frobs bits that are not defined on newer ALi devicea
624 static u8 __devinit ata66_ali15x3(ide_hwif_t *hwif)
626 struct pci_dev *dev = to_pci_dev(hwif->dev);
628 u8 cbl = ATA_CBL_PATA40, tmpbyte;
630 local_irq_save(flags);
632 if (m5229_revision >= 0xC2) {
634 * m5229 80-pin cable detection (from Host View)
636 * 0x4a bit0 is 0 => primary channel has 80-pin
637 * 0x4a bit1 is 0 => secondary channel has 80-pin
639 * Certain laptops use short but suitable cables
640 * and don't implement the detect logic.
642 if (ali_cable_override(dev))
643 cbl = ATA_CBL_PATA40_SHORT;
645 pci_read_config_byte(dev, 0x4a, &tmpbyte);
646 if ((tmpbyte & (1 << hwif->channel)) == 0)
647 cbl = ATA_CBL_PATA80;
651 local_irq_restore(flags);
657 * init_hwif_common_ali15x3 - Set up ALI IDE hardware
658 * @hwif: IDE interface
660 * Initialize the IDE structure side of the ALi 15x3 driver.
663 static void __devinit init_hwif_common_ali15x3 (ide_hwif_t *hwif)
665 hwif->set_pio_mode = &ali_set_pio_mode;
666 hwif->set_dma_mode = &ali_set_dma_mode;
667 hwif->udma_filter = &ali_udma_filter;
669 if (hwif->dma_base == 0)
672 hwif->dma_setup = &ali15x3_dma_setup;
674 if (hwif->cbl != ATA_CBL_PATA40_SHORT)
675 hwif->cbl = ata66_ali15x3(hwif);
679 * init_hwif_ali15x3 - Initialize the ALI IDE x86 stuff
680 * @hwif: interface to configure
682 * Obtain the IRQ tables for an ALi based IDE solution on the PC
683 * class platforms. This part of the code isn't applicable to the
687 static void __devinit init_hwif_ali15x3 (ide_hwif_t *hwif)
689 struct pci_dev *dev = to_pci_dev(hwif->dev);
691 s8 irq_routing_table[] = { -1, 9, 3, 10, 4, 5, 7, 6,
692 1, 11, 0, 12, 0, 14, 0, 15 };
695 if (dev->device == PCI_DEVICE_ID_AL_M5229)
696 hwif->irq = hwif->channel ? 15 : 14;
700 * read IDE interface control
702 pci_read_config_byte(isa_dev, 0x58, &ideic);
705 ideic = ideic & 0x03;
707 /* get IRQ for IDE Controller */
708 if ((hwif->channel && ideic == 0x03) ||
709 (!hwif->channel && !ideic)) {
711 * get SIRQ1 routing table
713 pci_read_config_byte(isa_dev, 0x44, &inmir);
714 inmir = inmir & 0x0f;
715 irq = irq_routing_table[inmir];
716 } else if (hwif->channel && !(ideic & 0x01)) {
718 * get SIRQ2 routing table
720 pci_read_config_byte(isa_dev, 0x75, &inmir);
721 inmir = inmir & 0x0f;
722 irq = irq_routing_table[inmir];
728 init_hwif_common_ali15x3(hwif);
732 * init_dma_ali15x3 - set up DMA on ALi15x3
733 * @hwif: IDE interface
734 * @dmabase: DMA interface base PCI address
736 * Set up the DMA functionality on the ALi 15x3. For the ALi
737 * controllers this is generic so we can let the generic code do
741 static void __devinit init_dma_ali15x3 (ide_hwif_t *hwif, unsigned long dmabase)
743 if (m5229_revision < 0x20)
746 outb(inb(dmabase + 2) & 0x60, dmabase + 2);
747 ide_setup_dma(hwif, dmabase);
750 static const struct ide_port_info ali15x3_chipset __devinitdata = {
752 .init_chipset = init_chipset_ali15x3,
753 .init_hwif = init_hwif_ali15x3,
754 .init_dma = init_dma_ali15x3,
755 .host_flags = IDE_HFLAG_BOOTABLE,
756 .pio_mask = ATA_PIO5,
757 .swdma_mask = ATA_SWDMA2,
758 .mwdma_mask = ATA_MWDMA2,
762 * alim15x3_init_one - set up an ALi15x3 IDE controller
763 * @dev: PCI device to set up
765 * Perform the actual set up for an ALi15x3 that has been found by the
769 static int __devinit alim15x3_init_one(struct pci_dev *dev, const struct pci_device_id *id)
771 static struct pci_device_id ati_rs100[] = {
772 { PCI_DEVICE(PCI_VENDOR_ID_ATI, PCI_DEVICE_ID_ATI_RS100) },
776 struct ide_port_info d = ali15x3_chipset;
777 u8 rev = dev->revision, idx = id->driver_data;
779 if (pci_dev_present(ati_rs100))
780 printk(KERN_WARNING "alim15x3: ATI Radeon IGP Northbridge is not yet fully tested.\n");
782 /* don't use LBA48 DMA on ALi devices before rev 0xC5 */
784 d.host_flags |= IDE_HFLAG_NO_LBA48_DMA;
788 d.host_flags |= IDE_HFLAG_NO_ATAPI_DMA;
791 d.udma_mask = ATA_UDMA2;
792 else if (rev == 0xC2 || rev == 0xC3)
793 d.udma_mask = ATA_UDMA4;
794 else if (rev == 0xC4)
795 d.udma_mask = ATA_UDMA5;
797 d.udma_mask = ATA_UDMA6;
801 d.host_flags |= IDE_HFLAG_CLEAR_SIMPLEX;
803 #if defined(CONFIG_SPARC64)
804 d.init_hwif = init_hwif_common_ali15x3;
805 #endif /* CONFIG_SPARC64 */
806 return ide_setup_pci_device(dev, &d);
810 static const struct pci_device_id alim15x3_pci_tbl[] = {
811 { PCI_VDEVICE(AL, PCI_DEVICE_ID_AL_M5229), 0 },
812 { PCI_VDEVICE(AL, PCI_DEVICE_ID_AL_M5228), 1 },
815 MODULE_DEVICE_TABLE(pci, alim15x3_pci_tbl);
817 static struct pci_driver driver = {
818 .name = "ALI15x3_IDE",
819 .id_table = alim15x3_pci_tbl,
820 .probe = alim15x3_init_one,
823 static int __init ali15x3_ide_init(void)
825 return ide_pci_register_driver(&driver);
828 module_init(ali15x3_ide_init);
830 MODULE_AUTHOR("Michael Aubry, Andrzej Krzysztofowicz, CJ, Andre Hedrick, Alan Cox");
831 MODULE_DESCRIPTION("PCI driver module for ALi 15x3 IDE");
832 MODULE_LICENSE("GPL");