2 * sata_promise.c - Promise SATA
4 * Maintained by: Jeff Garzik <jgarzik@pobox.com>
5 * Please ALWAYS copy linux-ide@vger.kernel.org
8 * Copyright 2003-2004 Red Hat, Inc.
11 * This program is free software; you can redistribute it and/or modify
12 * it under the terms of the GNU General Public License as published by
13 * the Free Software Foundation; either version 2, or (at your option)
16 * This program is distributed in the hope that it will be useful,
17 * but WITHOUT ANY WARRANTY; without even the implied warranty of
18 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
19 * GNU General Public License for more details.
21 * You should have received a copy of the GNU General Public License
22 * along with this program; see the file COPYING. If not, write to
23 * the Free Software Foundation, 675 Mass Ave, Cambridge, MA 02139, USA.
26 * libata documentation is available via 'make {ps|pdf}docs',
27 * as Documentation/DocBook/libata.*
29 * Hardware information only available under NDA.
33 #include <linux/kernel.h>
34 #include <linux/module.h>
35 #include <linux/pci.h>
36 #include <linux/init.h>
37 #include <linux/blkdev.h>
38 #include <linux/delay.h>
39 #include <linux/interrupt.h>
40 #include <linux/sched.h>
41 #include <linux/device.h>
42 #include <scsi/scsi_host.h>
43 #include <scsi/scsi_cmnd.h>
44 #include <linux/libata.h>
46 #include "sata_promise.h"
48 #define DRV_NAME "sata_promise"
49 #define DRV_VERSION "1.04"
53 PDC_PKT_SUBMIT = 0x40, /* Command packet pointer addr */
54 PDC_INT_SEQMASK = 0x40, /* Mask of asserted SEQ INTs */
55 PDC_TBG_MODE = 0x41, /* TBG mode */
56 PDC_FLASH_CTL = 0x44, /* Flash control register */
57 PDC_PCI_CTL = 0x48, /* PCI control and status register */
58 PDC_GLOBAL_CTL = 0x48, /* Global control/status (per port) */
59 PDC_CTLSTAT = 0x60, /* IDE control and status (per port) */
60 PDC_SATA_PLUG_CSR = 0x6C, /* SATA Plug control/status reg */
61 PDC2_SATA_PLUG_CSR = 0x60, /* SATAII Plug control/status reg */
62 PDC_SLEW_CTL = 0x470, /* slew rate control reg */
64 PDC_ERR_MASK = (1<<19) | (1<<20) | (1<<21) | (1<<22) |
65 (1<<8) | (1<<9) | (1<<10),
67 board_2037x = 0, /* FastTrak S150 TX2plus */
68 board_20319 = 1, /* FastTrak S150 TX4 */
69 board_20619 = 2, /* FastTrak TX4000 */
70 board_20771 = 3, /* FastTrak TX2300 */
71 board_2057x = 4, /* SATAII150 Tx2plus */
72 board_40518 = 5, /* SATAII150 Tx4 */
74 PDC_HAS_PATA = (1 << 1), /* PDC20375/20575 has PATA */
76 PDC_RESET = (1 << 11), /* HDMA reset */
78 PDC_COMMON_FLAGS = ATA_FLAG_NO_LEGACY | ATA_FLAG_SRST |
79 ATA_FLAG_MMIO | ATA_FLAG_NO_ATAPI,
83 struct pdc_port_priv {
88 struct pdc_host_priv {
92 static u32 pdc_sata_scr_read (struct ata_port *ap, unsigned int sc_reg);
93 static void pdc_sata_scr_write (struct ata_port *ap, unsigned int sc_reg, u32 val);
94 static int pdc_ata_init_one (struct pci_dev *pdev, const struct pci_device_id *ent);
95 static irqreturn_t pdc_interrupt (int irq, void *dev_instance, struct pt_regs *regs);
96 static void pdc_eng_timeout(struct ata_port *ap);
97 static int pdc_port_start(struct ata_port *ap);
98 static void pdc_port_stop(struct ata_port *ap);
99 static void pdc_pata_phy_reset(struct ata_port *ap);
100 static void pdc_sata_phy_reset(struct ata_port *ap);
101 static void pdc_qc_prep(struct ata_queued_cmd *qc);
102 static void pdc_tf_load_mmio(struct ata_port *ap, const struct ata_taskfile *tf);
103 static void pdc_exec_command_mmio(struct ata_port *ap, const struct ata_taskfile *tf);
104 static void pdc_irq_clear(struct ata_port *ap);
105 static unsigned int pdc_qc_issue_prot(struct ata_queued_cmd *qc);
106 static void pdc_host_stop(struct ata_host_set *host_set);
109 static struct scsi_host_template pdc_ata_sht = {
110 .module = THIS_MODULE,
112 .ioctl = ata_scsi_ioctl,
113 .queuecommand = ata_scsi_queuecmd,
114 .eh_strategy_handler = ata_scsi_error,
115 .can_queue = ATA_DEF_QUEUE,
116 .this_id = ATA_SHT_THIS_ID,
117 .sg_tablesize = LIBATA_MAX_PRD,
118 .max_sectors = ATA_MAX_SECTORS,
119 .cmd_per_lun = ATA_SHT_CMD_PER_LUN,
120 .emulated = ATA_SHT_EMULATED,
121 .use_clustering = ATA_SHT_USE_CLUSTERING,
122 .proc_name = DRV_NAME,
123 .dma_boundary = ATA_DMA_BOUNDARY,
124 .slave_configure = ata_scsi_slave_config,
125 .bios_param = ata_std_bios_param,
128 static const struct ata_port_operations pdc_sata_ops = {
129 .port_disable = ata_port_disable,
130 .tf_load = pdc_tf_load_mmio,
131 .tf_read = ata_tf_read,
132 .check_status = ata_check_status,
133 .exec_command = pdc_exec_command_mmio,
134 .dev_select = ata_std_dev_select,
136 .phy_reset = pdc_sata_phy_reset,
138 .qc_prep = pdc_qc_prep,
139 .qc_issue = pdc_qc_issue_prot,
140 .eng_timeout = pdc_eng_timeout,
141 .irq_handler = pdc_interrupt,
142 .irq_clear = pdc_irq_clear,
144 .scr_read = pdc_sata_scr_read,
145 .scr_write = pdc_sata_scr_write,
146 .port_start = pdc_port_start,
147 .port_stop = pdc_port_stop,
148 .host_stop = pdc_host_stop,
151 static const struct ata_port_operations pdc_pata_ops = {
152 .port_disable = ata_port_disable,
153 .tf_load = pdc_tf_load_mmio,
154 .tf_read = ata_tf_read,
155 .check_status = ata_check_status,
156 .exec_command = pdc_exec_command_mmio,
157 .dev_select = ata_std_dev_select,
159 .phy_reset = pdc_pata_phy_reset,
161 .qc_prep = pdc_qc_prep,
162 .qc_issue = pdc_qc_issue_prot,
163 .eng_timeout = pdc_eng_timeout,
164 .irq_handler = pdc_interrupt,
165 .irq_clear = pdc_irq_clear,
167 .port_start = pdc_port_start,
168 .port_stop = pdc_port_stop,
169 .host_stop = pdc_host_stop,
172 static const struct ata_port_info pdc_port_info[] = {
176 .host_flags = PDC_COMMON_FLAGS | ATA_FLAG_SATA,
177 .pio_mask = 0x1f, /* pio0-4 */
178 .mwdma_mask = 0x07, /* mwdma0-2 */
179 .udma_mask = 0x7f, /* udma0-6 ; FIXME */
180 .port_ops = &pdc_sata_ops,
186 .host_flags = PDC_COMMON_FLAGS | ATA_FLAG_SATA,
187 .pio_mask = 0x1f, /* pio0-4 */
188 .mwdma_mask = 0x07, /* mwdma0-2 */
189 .udma_mask = 0x7f, /* udma0-6 ; FIXME */
190 .port_ops = &pdc_sata_ops,
196 .host_flags = PDC_COMMON_FLAGS | ATA_FLAG_SLAVE_POSS,
197 .pio_mask = 0x1f, /* pio0-4 */
198 .mwdma_mask = 0x07, /* mwdma0-2 */
199 .udma_mask = 0x7f, /* udma0-6 ; FIXME */
200 .port_ops = &pdc_pata_ops,
206 .host_flags = PDC_COMMON_FLAGS | ATA_FLAG_SATA,
207 .pio_mask = 0x1f, /* pio0-4 */
208 .mwdma_mask = 0x07, /* mwdma0-2 */
209 .udma_mask = 0x7f, /* udma0-6 ; FIXME */
210 .port_ops = &pdc_sata_ops,
216 .host_flags = PDC_COMMON_FLAGS | ATA_FLAG_SATA,
217 .pio_mask = 0x1f, /* pio0-4 */
218 .mwdma_mask = 0x07, /* mwdma0-2 */
219 .udma_mask = 0x7f, /* udma0-6 ; FIXME */
220 .port_ops = &pdc_sata_ops,
226 .host_flags = PDC_COMMON_FLAGS | ATA_FLAG_SATA,
227 .pio_mask = 0x1f, /* pio0-4 */
228 .mwdma_mask = 0x07, /* mwdma0-2 */
229 .udma_mask = 0x7f, /* udma0-6 ; FIXME */
230 .port_ops = &pdc_sata_ops,
234 static const struct pci_device_id pdc_ata_pci_tbl[] = {
235 { PCI_VENDOR_ID_PROMISE, 0x3371, PCI_ANY_ID, PCI_ANY_ID, 0, 0,
237 { PCI_VENDOR_ID_PROMISE, 0x3570, PCI_ANY_ID, PCI_ANY_ID, 0, 0,
239 { PCI_VENDOR_ID_PROMISE, 0x3571, PCI_ANY_ID, PCI_ANY_ID, 0, 0,
241 { PCI_VENDOR_ID_PROMISE, 0x3373, PCI_ANY_ID, PCI_ANY_ID, 0, 0,
243 { PCI_VENDOR_ID_PROMISE, 0x3375, PCI_ANY_ID, PCI_ANY_ID, 0, 0,
245 { PCI_VENDOR_ID_PROMISE, 0x3376, PCI_ANY_ID, PCI_ANY_ID, 0, 0,
247 { PCI_VENDOR_ID_PROMISE, 0x3574, PCI_ANY_ID, PCI_ANY_ID, 0, 0,
249 { PCI_VENDOR_ID_PROMISE, 0x3d75, PCI_ANY_ID, PCI_ANY_ID, 0, 0,
251 { PCI_VENDOR_ID_PROMISE, 0x3d73, PCI_ANY_ID, PCI_ANY_ID, 0, 0,
254 { PCI_VENDOR_ID_PROMISE, 0x3318, PCI_ANY_ID, PCI_ANY_ID, 0, 0,
256 { PCI_VENDOR_ID_PROMISE, 0x3319, PCI_ANY_ID, PCI_ANY_ID, 0, 0,
258 { PCI_VENDOR_ID_PROMISE, 0x3519, PCI_ANY_ID, PCI_ANY_ID, 0, 0,
260 { PCI_VENDOR_ID_PROMISE, 0x3d17, PCI_ANY_ID, PCI_ANY_ID, 0, 0,
262 { PCI_VENDOR_ID_PROMISE, 0x3d18, PCI_ANY_ID, PCI_ANY_ID, 0, 0,
265 { PCI_VENDOR_ID_PROMISE, 0x6629, PCI_ANY_ID, PCI_ANY_ID, 0, 0,
268 { PCI_VENDOR_ID_PROMISE, 0x3570, PCI_ANY_ID, PCI_ANY_ID, 0, 0,
270 { } /* terminate list */
274 static struct pci_driver pdc_ata_pci_driver = {
276 .id_table = pdc_ata_pci_tbl,
277 .probe = pdc_ata_init_one,
278 .remove = ata_pci_remove_one,
282 static int pdc_port_start(struct ata_port *ap)
284 struct device *dev = ap->host_set->dev;
285 struct pdc_port_priv *pp;
288 rc = ata_port_start(ap);
292 pp = kzalloc(sizeof(*pp), GFP_KERNEL);
298 pp->pkt = dma_alloc_coherent(dev, 128, &pp->pkt_dma, GFP_KERNEL);
304 ap->private_data = pp;
316 static void pdc_port_stop(struct ata_port *ap)
318 struct device *dev = ap->host_set->dev;
319 struct pdc_port_priv *pp = ap->private_data;
321 ap->private_data = NULL;
322 dma_free_coherent(dev, 128, pp->pkt, pp->pkt_dma);
328 static void pdc_host_stop(struct ata_host_set *host_set)
330 struct pdc_host_priv *hp = host_set->private_data;
332 ata_pci_host_stop(host_set);
338 static void pdc_reset_port(struct ata_port *ap)
340 void __iomem *mmio = (void __iomem *) ap->ioaddr.cmd_addr + PDC_CTLSTAT;
344 for (i = 11; i > 0; i--) {
357 readl(mmio); /* flush */
360 static void pdc_sata_phy_reset(struct ata_port *ap)
366 static void pdc_pata_phy_reset(struct ata_port *ap)
368 /* FIXME: add cable detect. Don't assume 40-pin cable */
369 ap->cbl = ATA_CBL_PATA40;
370 ap->udma_mask &= ATA_UDMA_MASK_40C;
377 static u32 pdc_sata_scr_read (struct ata_port *ap, unsigned int sc_reg)
379 if (sc_reg > SCR_CONTROL)
381 return readl((void __iomem *) ap->ioaddr.scr_addr + (sc_reg * 4));
385 static void pdc_sata_scr_write (struct ata_port *ap, unsigned int sc_reg,
388 if (sc_reg > SCR_CONTROL)
390 writel(val, (void __iomem *) ap->ioaddr.scr_addr + (sc_reg * 4));
393 static void pdc_qc_prep(struct ata_queued_cmd *qc)
395 struct pdc_port_priv *pp = qc->ap->private_data;
400 switch (qc->tf.protocol) {
405 case ATA_PROT_NODATA:
406 i = pdc_pkt_header(&qc->tf, qc->ap->prd_dma,
407 qc->dev->devno, pp->pkt);
409 if (qc->tf.flags & ATA_TFLAG_LBA48)
410 i = pdc_prep_lba48(&qc->tf, pp->pkt, i);
412 i = pdc_prep_lba28(&qc->tf, pp->pkt, i);
414 pdc_pkt_footer(&qc->tf, pp->pkt, i);
422 static void pdc_eng_timeout(struct ata_port *ap)
424 struct ata_host_set *host_set = ap->host_set;
426 struct ata_queued_cmd *qc;
431 spin_lock_irqsave(&host_set->lock, flags);
433 qc = ata_qc_from_tag(ap, ap->active_tag);
435 printk(KERN_ERR "ata%u: BUG: timeout without command\n",
440 switch (qc->tf.protocol) {
442 case ATA_PROT_NODATA:
443 printk(KERN_ERR "ata%u: command timeout\n", ap->id);
444 drv_stat = ata_wait_idle(ap);
445 qc->err_mask |= __ac_err_mask(drv_stat);
449 drv_stat = ata_busy_wait(ap, ATA_BUSY | ATA_DRQ, 1000);
451 printk(KERN_ERR "ata%u: unknown timeout, cmd 0x%x stat 0x%x\n",
452 ap->id, qc->tf.command, drv_stat);
454 qc->err_mask |= ac_err_mask(drv_stat);
459 spin_unlock_irqrestore(&host_set->lock, flags);
461 ata_eh_qc_complete(qc);
465 static inline unsigned int pdc_host_intr( struct ata_port *ap,
466 struct ata_queued_cmd *qc)
468 unsigned int handled = 0;
470 void __iomem *mmio = (void __iomem *) ap->ioaddr.cmd_addr + PDC_GLOBAL_CTL;
473 if (tmp & PDC_ERR_MASK) {
474 qc->err_mask |= AC_ERR_DEV;
478 switch (qc->tf.protocol) {
480 case ATA_PROT_NODATA:
481 qc->err_mask |= ac_err_mask(ata_wait_idle(ap));
487 ap->stats.idle_irq++;
494 static void pdc_irq_clear(struct ata_port *ap)
496 struct ata_host_set *host_set = ap->host_set;
497 void __iomem *mmio = host_set->mmio_base;
499 readl(mmio + PDC_INT_SEQMASK);
502 static irqreturn_t pdc_interrupt (int irq, void *dev_instance, struct pt_regs *regs)
504 struct ata_host_set *host_set = dev_instance;
508 unsigned int handled = 0;
509 void __iomem *mmio_base;
513 if (!host_set || !host_set->mmio_base) {
514 VPRINTK("QUICK EXIT\n");
518 mmio_base = host_set->mmio_base;
520 /* reading should also clear interrupts */
521 mask = readl(mmio_base + PDC_INT_SEQMASK);
523 if (mask == 0xffffffff) {
524 VPRINTK("QUICK EXIT 2\n");
528 spin_lock(&host_set->lock);
530 mask &= 0xffff; /* only 16 tags possible */
532 VPRINTK("QUICK EXIT 3\n");
536 writel(mask, mmio_base + PDC_INT_SEQMASK);
538 for (i = 0; i < host_set->n_ports; i++) {
539 VPRINTK("port %u\n", i);
540 ap = host_set->ports[i];
541 tmp = mask & (1 << (i + 1));
543 !(ap->flags & (ATA_FLAG_PORT_DISABLED | ATA_FLAG_NOINTR))) {
544 struct ata_queued_cmd *qc;
546 qc = ata_qc_from_tag(ap, ap->active_tag);
547 if (qc && (!(qc->tf.ctl & ATA_NIEN)))
548 handled += pdc_host_intr(ap, qc);
555 spin_unlock(&host_set->lock);
556 return IRQ_RETVAL(handled);
559 static inline void pdc_packet_start(struct ata_queued_cmd *qc)
561 struct ata_port *ap = qc->ap;
562 struct pdc_port_priv *pp = ap->private_data;
563 unsigned int port_no = ap->port_no;
564 u8 seq = (u8) (port_no + 1);
566 VPRINTK("ENTER, ap %p\n", ap);
568 writel(0x00000001, ap->host_set->mmio_base + (seq * 4));
569 readl(ap->host_set->mmio_base + (seq * 4)); /* flush */
572 wmb(); /* flush PRD, pkt writes */
573 writel(pp->pkt_dma, (void __iomem *) ap->ioaddr.cmd_addr + PDC_PKT_SUBMIT);
574 readl((void __iomem *) ap->ioaddr.cmd_addr + PDC_PKT_SUBMIT); /* flush */
577 static unsigned int pdc_qc_issue_prot(struct ata_queued_cmd *qc)
579 switch (qc->tf.protocol) {
581 case ATA_PROT_NODATA:
582 pdc_packet_start(qc);
585 case ATA_PROT_ATAPI_DMA:
593 return ata_qc_issue_prot(qc);
596 static void pdc_tf_load_mmio(struct ata_port *ap, const struct ata_taskfile *tf)
598 WARN_ON (tf->protocol == ATA_PROT_DMA ||
599 tf->protocol == ATA_PROT_NODATA);
604 static void pdc_exec_command_mmio(struct ata_port *ap, const struct ata_taskfile *tf)
606 WARN_ON (tf->protocol == ATA_PROT_DMA ||
607 tf->protocol == ATA_PROT_NODATA);
608 ata_exec_command(ap, tf);
612 static void pdc_ata_setup_port(struct ata_ioports *port, unsigned long base)
614 port->cmd_addr = base;
615 port->data_addr = base;
617 port->error_addr = base + 0x4;
618 port->nsect_addr = base + 0x8;
619 port->lbal_addr = base + 0xc;
620 port->lbam_addr = base + 0x10;
621 port->lbah_addr = base + 0x14;
622 port->device_addr = base + 0x18;
624 port->status_addr = base + 0x1c;
625 port->altstatus_addr =
626 port->ctl_addr = base + 0x38;
630 static void pdc_host_init(unsigned int chip_id, struct ata_probe_ent *pe)
632 void __iomem *mmio = pe->mmio_base;
633 struct pdc_host_priv *hp = pe->private_data;
634 int hotplug_offset = hp->hotplug_offset;
638 * Except for the hotplug stuff, this is voodoo from the
639 * Promise driver. Label this entire section
640 * "TODO: figure out why we do this"
643 /* change FIFO_SHD to 8 dwords, enable BMR_BURST */
644 tmp = readl(mmio + PDC_FLASH_CTL);
645 tmp |= 0x12000; /* bit 16 (fifo 8 dw) and 13 (bmr burst?) */
646 writel(tmp, mmio + PDC_FLASH_CTL);
648 /* clear plug/unplug flags for all ports */
649 tmp = readl(mmio + hotplug_offset);
650 writel(tmp | 0xff, mmio + hotplug_offset);
652 /* mask plug/unplug ints */
653 tmp = readl(mmio + hotplug_offset);
654 writel(tmp | 0xff0000, mmio + hotplug_offset);
656 /* reduce TBG clock to 133 Mhz. */
657 tmp = readl(mmio + PDC_TBG_MODE);
658 tmp &= ~0x30000; /* clear bit 17, 16*/
659 tmp |= 0x10000; /* set bit 17:16 = 0:1 */
660 writel(tmp, mmio + PDC_TBG_MODE);
662 readl(mmio + PDC_TBG_MODE); /* flush */
665 /* adjust slew rate control register. */
666 tmp = readl(mmio + PDC_SLEW_CTL);
667 tmp &= 0xFFFFF03F; /* clear bit 11 ~ 6 */
668 tmp |= 0x00000900; /* set bit 11-9 = 100b , bit 8-6 = 100 */
669 writel(tmp, mmio + PDC_SLEW_CTL);
672 static int pdc_ata_init_one (struct pci_dev *pdev, const struct pci_device_id *ent)
674 static int printed_version;
675 struct ata_probe_ent *probe_ent = NULL;
676 struct pdc_host_priv *hp;
678 void __iomem *mmio_base;
679 unsigned int board_idx = (unsigned int) ent->driver_data;
680 int pci_dev_busy = 0;
683 if (!printed_version++)
684 dev_printk(KERN_DEBUG, &pdev->dev, "version " DRV_VERSION "\n");
687 * If this driver happens to only be useful on Apple's K2, then
688 * we should check that here as it has a normal Serverworks ID
690 rc = pci_enable_device(pdev);
694 rc = pci_request_regions(pdev, DRV_NAME);
700 rc = pci_set_dma_mask(pdev, ATA_DMA_MASK);
702 goto err_out_regions;
703 rc = pci_set_consistent_dma_mask(pdev, ATA_DMA_MASK);
705 goto err_out_regions;
707 probe_ent = kzalloc(sizeof(*probe_ent), GFP_KERNEL);
708 if (probe_ent == NULL) {
710 goto err_out_regions;
713 probe_ent->dev = pci_dev_to_dev(pdev);
714 INIT_LIST_HEAD(&probe_ent->node);
716 mmio_base = pci_iomap(pdev, 3, 0);
717 if (mmio_base == NULL) {
719 goto err_out_free_ent;
721 base = (unsigned long) mmio_base;
723 hp = kzalloc(sizeof(*hp), GFP_KERNEL);
726 goto err_out_free_ent;
729 /* Set default hotplug offset */
730 hp->hotplug_offset = PDC_SATA_PLUG_CSR;
731 probe_ent->private_data = hp;
733 probe_ent->sht = pdc_port_info[board_idx].sht;
734 probe_ent->host_flags = pdc_port_info[board_idx].host_flags;
735 probe_ent->pio_mask = pdc_port_info[board_idx].pio_mask;
736 probe_ent->mwdma_mask = pdc_port_info[board_idx].mwdma_mask;
737 probe_ent->udma_mask = pdc_port_info[board_idx].udma_mask;
738 probe_ent->port_ops = pdc_port_info[board_idx].port_ops;
740 probe_ent->irq = pdev->irq;
741 probe_ent->irq_flags = SA_SHIRQ;
742 probe_ent->mmio_base = mmio_base;
744 pdc_ata_setup_port(&probe_ent->port[0], base + 0x200);
745 pdc_ata_setup_port(&probe_ent->port[1], base + 0x280);
747 probe_ent->port[0].scr_addr = base + 0x400;
748 probe_ent->port[1].scr_addr = base + 0x500;
750 /* notice 4-port boards */
753 /* Override hotplug offset for SATAII150 */
754 hp->hotplug_offset = PDC2_SATA_PLUG_CSR;
757 probe_ent->n_ports = 4;
759 pdc_ata_setup_port(&probe_ent->port[2], base + 0x300);
760 pdc_ata_setup_port(&probe_ent->port[3], base + 0x380);
762 probe_ent->port[2].scr_addr = base + 0x600;
763 probe_ent->port[3].scr_addr = base + 0x700;
766 /* Override hotplug offset for SATAII150 */
767 hp->hotplug_offset = PDC2_SATA_PLUG_CSR;
770 probe_ent->n_ports = 2;
773 probe_ent->n_ports = 2;
776 probe_ent->n_ports = 4;
778 pdc_ata_setup_port(&probe_ent->port[2], base + 0x300);
779 pdc_ata_setup_port(&probe_ent->port[3], base + 0x380);
781 probe_ent->port[2].scr_addr = base + 0x600;
782 probe_ent->port[3].scr_addr = base + 0x700;
789 pci_set_master(pdev);
791 /* initialize adapter */
792 pdc_host_init(board_idx, probe_ent);
794 /* FIXME: Need any other frees than hp? */
795 if (!ata_device_add(probe_ent))
805 pci_release_regions(pdev);
808 pci_disable_device(pdev);
813 static int __init pdc_ata_init(void)
815 return pci_module_init(&pdc_ata_pci_driver);
819 static void __exit pdc_ata_exit(void)
821 pci_unregister_driver(&pdc_ata_pci_driver);
825 MODULE_AUTHOR("Jeff Garzik");
826 MODULE_DESCRIPTION("Promise ATA TX2/TX4/TX4000 low-level driver");
827 MODULE_LICENSE("GPL");
828 MODULE_DEVICE_TABLE(pci, pdc_ata_pci_tbl);
829 MODULE_VERSION(DRV_VERSION);
831 module_init(pdc_ata_init);
832 module_exit(pdc_ata_exit);