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 "1.05"
53 PDC_PKT_SUBMIT = 0x40, /* Command packet pointer addr */
54 PDC_INT_SEQMASK = 0x40, /* Mask of asserted SEQ INTs */
55 PDC_FLASH_CTL = 0x44, /* Flash control register */
56 PDC_GLOBAL_CTL = 0x48, /* Global control/status (per port) */
57 PDC_CTLSTAT = 0x60, /* IDE control and status (per port) */
58 PDC_SATA_PLUG_CSR = 0x6C, /* SATA Plug control/status reg */
59 PDC2_SATA_PLUG_CSR = 0x60, /* SATAII Plug control/status reg */
60 PDC_TBG_MODE = 0x41C, /* TBG mode (not SATAII) */
61 PDC_SLEW_CTL = 0x470, /* slew rate control reg (not SATAII) */
63 PDC_ERR_MASK = (1<<19) | (1<<20) | (1<<21) | (1<<22) |
64 (1<<8) | (1<<9) | (1<<10),
66 board_2037x = 0, /* FastTrak S150 TX2plus */
67 board_20319 = 1, /* FastTrak S150 TX4 */
68 board_20619 = 2, /* FastTrak TX4000 */
69 board_2057x = 3, /* SATAII150 Tx2plus */
70 board_40518 = 4, /* SATAII150 Tx4 */
72 PDC_HAS_PATA = (1 << 1), /* PDC20375/20575 has PATA */
74 /* PDC_CTLSTAT bit definitions */
75 PDC_DMA_ENABLE = (1 << 7),
76 PDC_IRQ_DISABLE = (1 << 10),
77 PDC_RESET = (1 << 11), /* HDMA reset */
79 PDC_COMMON_FLAGS = ATA_FLAG_NO_LEGACY |
80 ATA_FLAG_MMIO | ATA_FLAG_NO_ATAPI |
84 PDC_FLAG_GEN_II = (1 << 0),
88 struct pdc_port_priv {
93 struct pdc_host_priv {
97 static u32 pdc_sata_scr_read (struct ata_port *ap, unsigned int sc_reg);
98 static void pdc_sata_scr_write (struct ata_port *ap, unsigned int sc_reg, u32 val);
99 static int pdc_ata_init_one (struct pci_dev *pdev, const struct pci_device_id *ent);
100 static irqreturn_t pdc_interrupt (int irq, void *dev_instance);
101 static void pdc_eng_timeout(struct ata_port *ap);
102 static int pdc_port_start(struct ata_port *ap);
103 static void pdc_port_stop(struct ata_port *ap);
104 static void pdc_pata_phy_reset(struct ata_port *ap);
105 static void pdc_qc_prep(struct ata_queued_cmd *qc);
106 static void pdc_tf_load_mmio(struct ata_port *ap, const struct ata_taskfile *tf);
107 static void pdc_exec_command_mmio(struct ata_port *ap, const struct ata_taskfile *tf);
108 static void pdc_irq_clear(struct ata_port *ap);
109 static unsigned int pdc_qc_issue_prot(struct ata_queued_cmd *qc);
110 static void pdc_host_stop(struct ata_host *host);
111 static void pdc_freeze(struct ata_port *ap);
112 static void pdc_thaw(struct ata_port *ap);
113 static void pdc_error_handler(struct ata_port *ap);
114 static void pdc_post_internal_cmd(struct ata_queued_cmd *qc);
117 static struct scsi_host_template pdc_ata_sht = {
118 .module = THIS_MODULE,
120 .ioctl = ata_scsi_ioctl,
121 .queuecommand = ata_scsi_queuecmd,
122 .can_queue = ATA_DEF_QUEUE,
123 .this_id = ATA_SHT_THIS_ID,
124 .sg_tablesize = LIBATA_MAX_PRD,
125 .cmd_per_lun = ATA_SHT_CMD_PER_LUN,
126 .emulated = ATA_SHT_EMULATED,
127 .use_clustering = ATA_SHT_USE_CLUSTERING,
128 .proc_name = DRV_NAME,
129 .dma_boundary = ATA_DMA_BOUNDARY,
130 .slave_configure = ata_scsi_slave_config,
131 .slave_destroy = ata_scsi_slave_destroy,
132 .bios_param = ata_std_bios_param,
135 static const struct ata_port_operations pdc_sata_ops = {
136 .port_disable = ata_port_disable,
137 .tf_load = pdc_tf_load_mmio,
138 .tf_read = ata_tf_read,
139 .check_status = ata_check_status,
140 .exec_command = pdc_exec_command_mmio,
141 .dev_select = ata_std_dev_select,
143 .qc_prep = pdc_qc_prep,
144 .qc_issue = pdc_qc_issue_prot,
145 .freeze = pdc_freeze,
147 .error_handler = pdc_error_handler,
148 .post_internal_cmd = pdc_post_internal_cmd,
149 .data_xfer = ata_mmio_data_xfer,
150 .irq_handler = pdc_interrupt,
151 .irq_clear = pdc_irq_clear,
153 .scr_read = pdc_sata_scr_read,
154 .scr_write = pdc_sata_scr_write,
155 .port_start = pdc_port_start,
156 .port_stop = pdc_port_stop,
157 .host_stop = pdc_host_stop,
160 static const struct ata_port_operations pdc_pata_ops = {
161 .port_disable = ata_port_disable,
162 .tf_load = pdc_tf_load_mmio,
163 .tf_read = ata_tf_read,
164 .check_status = ata_check_status,
165 .exec_command = pdc_exec_command_mmio,
166 .dev_select = ata_std_dev_select,
168 .phy_reset = pdc_pata_phy_reset,
170 .qc_prep = pdc_qc_prep,
171 .qc_issue = pdc_qc_issue_prot,
172 .data_xfer = ata_mmio_data_xfer,
173 .eng_timeout = pdc_eng_timeout,
174 .irq_handler = pdc_interrupt,
175 .irq_clear = pdc_irq_clear,
177 .port_start = pdc_port_start,
178 .port_stop = pdc_port_stop,
179 .host_stop = pdc_host_stop,
182 static const struct ata_port_info pdc_port_info[] = {
186 .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 .flags = PDC_COMMON_FLAGS | ATA_FLAG_SATA,
197 .pio_mask = 0x1f, /* pio0-4 */
198 .mwdma_mask = 0x07, /* mwdma0-2 */
199 .udma_mask = 0x7f, /* udma0-6 ; FIXME */
200 .port_ops = &pdc_sata_ops,
206 .flags = PDC_COMMON_FLAGS | ATA_FLAG_SRST | ATA_FLAG_SLAVE_POSS,
207 .pio_mask = 0x1f, /* pio0-4 */
208 .mwdma_mask = 0x07, /* mwdma0-2 */
209 .udma_mask = 0x7f, /* udma0-6 ; FIXME */
210 .port_ops = &pdc_pata_ops,
216 .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 .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_VDEVICE(PROMISE, 0x3371), board_2037x },
236 { PCI_VDEVICE(PROMISE, 0x3373), board_2037x },
237 { PCI_VDEVICE(PROMISE, 0x3375), board_2037x },
238 { PCI_VDEVICE(PROMISE, 0x3376), board_2037x },
239 { PCI_VDEVICE(PROMISE, 0x3570), board_2057x },
240 { PCI_VDEVICE(PROMISE, 0x3571), board_2057x },
241 { PCI_VDEVICE(PROMISE, 0x3574), board_2057x },
242 { PCI_VDEVICE(PROMISE, 0x3577), board_2057x },
243 { PCI_VDEVICE(PROMISE, 0x3d73), board_2057x },
244 { PCI_VDEVICE(PROMISE, 0x3d75), board_2057x },
246 { PCI_VDEVICE(PROMISE, 0x3318), board_20319 },
247 { PCI_VDEVICE(PROMISE, 0x3319), board_20319 },
248 { PCI_VDEVICE(PROMISE, 0x3515), board_20319 },
249 { PCI_VDEVICE(PROMISE, 0x3519), board_20319 },
250 { PCI_VDEVICE(PROMISE, 0x3d17), board_40518 },
251 { PCI_VDEVICE(PROMISE, 0x3d18), board_40518 },
253 { PCI_VDEVICE(PROMISE, 0x6629), board_20619 },
255 { } /* terminate list */
259 static struct pci_driver pdc_ata_pci_driver = {
261 .id_table = pdc_ata_pci_tbl,
262 .probe = pdc_ata_init_one,
263 .remove = ata_pci_remove_one,
267 static int pdc_port_start(struct ata_port *ap)
269 struct device *dev = ap->host->dev;
270 struct pdc_host_priv *hp = ap->host->private_data;
271 struct pdc_port_priv *pp;
274 rc = ata_port_start(ap);
278 pp = kzalloc(sizeof(*pp), GFP_KERNEL);
284 pp->pkt = dma_alloc_coherent(dev, 128, &pp->pkt_dma, GFP_KERNEL);
290 ap->private_data = pp;
292 /* fix up PHYMODE4 align timing */
293 if ((hp->flags & PDC_FLAG_GEN_II) && sata_scr_valid(ap)) {
294 void __iomem *mmio = (void __iomem *) ap->ioaddr.scr_addr;
297 tmp = readl(mmio + 0x014);
298 tmp = (tmp & ~3) | 1; /* set bits 1:0 = 0:1 */
299 writel(tmp, mmio + 0x014);
312 static void pdc_port_stop(struct ata_port *ap)
314 struct device *dev = ap->host->dev;
315 struct pdc_port_priv *pp = ap->private_data;
317 ap->private_data = NULL;
318 dma_free_coherent(dev, 128, pp->pkt, pp->pkt_dma);
324 static void pdc_host_stop(struct ata_host *host)
326 struct pdc_host_priv *hp = host->private_data;
328 ata_pci_host_stop(host);
334 static void pdc_reset_port(struct ata_port *ap)
336 void __iomem *mmio = (void __iomem *) ap->ioaddr.cmd_addr + PDC_CTLSTAT;
340 for (i = 11; i > 0; i--) {
353 readl(mmio); /* flush */
356 static void pdc_pata_cbl_detect(struct ata_port *ap)
359 void __iomem *mmio = (void __iomem *) ap->ioaddr.cmd_addr + PDC_CTLSTAT + 0x03;
364 ap->cbl = ATA_CBL_PATA40;
365 ap->udma_mask &= ATA_UDMA_MASK_40C;
367 ap->cbl = ATA_CBL_PATA80;
370 static void pdc_pata_phy_reset(struct ata_port *ap)
372 pdc_pata_cbl_detect(ap);
378 static u32 pdc_sata_scr_read (struct ata_port *ap, unsigned int sc_reg)
380 if (sc_reg > SCR_CONTROL)
382 return readl((void __iomem *) ap->ioaddr.scr_addr + (sc_reg * 4));
386 static void pdc_sata_scr_write (struct ata_port *ap, unsigned int sc_reg,
389 if (sc_reg > SCR_CONTROL)
391 writel(val, (void __iomem *) ap->ioaddr.scr_addr + (sc_reg * 4));
394 static void pdc_qc_prep(struct ata_queued_cmd *qc)
396 struct pdc_port_priv *pp = qc->ap->private_data;
401 switch (qc->tf.protocol) {
406 case ATA_PROT_NODATA:
407 i = pdc_pkt_header(&qc->tf, qc->ap->prd_dma,
408 qc->dev->devno, pp->pkt);
410 if (qc->tf.flags & ATA_TFLAG_LBA48)
411 i = pdc_prep_lba48(&qc->tf, pp->pkt, i);
413 i = pdc_prep_lba28(&qc->tf, pp->pkt, i);
415 pdc_pkt_footer(&qc->tf, pp->pkt, i);
423 static void pdc_freeze(struct ata_port *ap)
425 void __iomem *mmio = (void __iomem *) ap->ioaddr.cmd_addr;
428 tmp = readl(mmio + PDC_CTLSTAT);
429 tmp |= PDC_IRQ_DISABLE;
430 tmp &= ~PDC_DMA_ENABLE;
431 writel(tmp, mmio + PDC_CTLSTAT);
432 readl(mmio + PDC_CTLSTAT); /* flush */
435 static void pdc_thaw(struct ata_port *ap)
437 void __iomem *mmio = (void __iomem *) ap->ioaddr.cmd_addr;
441 readl(mmio + PDC_INT_SEQMASK);
443 /* turn IRQ back on */
444 tmp = readl(mmio + PDC_CTLSTAT);
445 tmp &= ~PDC_IRQ_DISABLE;
446 writel(tmp, mmio + PDC_CTLSTAT);
447 readl(mmio + PDC_CTLSTAT); /* flush */
450 static void pdc_error_handler(struct ata_port *ap)
452 ata_reset_fn_t hardreset;
454 if (!(ap->pflags & ATA_PFLAG_FROZEN))
458 if (sata_scr_valid(ap))
459 hardreset = sata_std_hardreset;
461 /* perform recovery */
462 ata_do_eh(ap, ata_std_prereset, ata_std_softreset, hardreset,
466 static void pdc_post_internal_cmd(struct ata_queued_cmd *qc)
468 struct ata_port *ap = qc->ap;
470 if (qc->flags & ATA_QCFLAG_FAILED)
471 qc->err_mask |= AC_ERR_OTHER;
473 /* make DMA engine forget about the failed command */
478 static void pdc_eng_timeout(struct ata_port *ap)
480 struct ata_host *host = ap->host;
482 struct ata_queued_cmd *qc;
487 spin_lock_irqsave(&host->lock, flags);
489 qc = ata_qc_from_tag(ap, ap->active_tag);
491 switch (qc->tf.protocol) {
493 case ATA_PROT_NODATA:
494 ata_port_printk(ap, KERN_ERR, "command timeout\n");
495 drv_stat = ata_wait_idle(ap);
496 qc->err_mask |= __ac_err_mask(drv_stat);
500 drv_stat = ata_busy_wait(ap, ATA_BUSY | ATA_DRQ, 1000);
502 ata_port_printk(ap, KERN_ERR,
503 "unknown timeout, cmd 0x%x stat 0x%x\n",
504 qc->tf.command, drv_stat);
506 qc->err_mask |= ac_err_mask(drv_stat);
510 spin_unlock_irqrestore(&host->lock, flags);
511 ata_eh_qc_complete(qc);
515 static inline unsigned int pdc_host_intr( struct ata_port *ap,
516 struct ata_queued_cmd *qc)
518 unsigned int handled = 0;
520 void __iomem *mmio = (void __iomem *) ap->ioaddr.cmd_addr + PDC_GLOBAL_CTL;
523 if (tmp & PDC_ERR_MASK) {
524 qc->err_mask |= AC_ERR_DEV;
528 switch (qc->tf.protocol) {
530 case ATA_PROT_NODATA:
531 qc->err_mask |= ac_err_mask(ata_wait_idle(ap));
537 ap->stats.idle_irq++;
544 static void pdc_irq_clear(struct ata_port *ap)
546 struct ata_host *host = ap->host;
547 void __iomem *mmio = host->mmio_base;
549 readl(mmio + PDC_INT_SEQMASK);
552 static irqreturn_t pdc_interrupt (int irq, void *dev_instance)
554 struct ata_host *host = dev_instance;
558 unsigned int handled = 0;
559 void __iomem *mmio_base;
563 if (!host || !host->mmio_base) {
564 VPRINTK("QUICK EXIT\n");
568 mmio_base = host->mmio_base;
570 /* reading should also clear interrupts */
571 mask = readl(mmio_base + PDC_INT_SEQMASK);
573 if (mask == 0xffffffff) {
574 VPRINTK("QUICK EXIT 2\n");
578 spin_lock(&host->lock);
580 mask &= 0xffff; /* only 16 tags possible */
582 VPRINTK("QUICK EXIT 3\n");
586 writel(mask, mmio_base + PDC_INT_SEQMASK);
588 for (i = 0; i < host->n_ports; i++) {
589 VPRINTK("port %u\n", i);
591 tmp = mask & (1 << (i + 1));
593 !(ap->flags & ATA_FLAG_DISABLED)) {
594 struct ata_queued_cmd *qc;
596 qc = ata_qc_from_tag(ap, ap->active_tag);
597 if (qc && (!(qc->tf.flags & ATA_TFLAG_POLLING)))
598 handled += pdc_host_intr(ap, qc);
605 spin_unlock(&host->lock);
606 return IRQ_RETVAL(handled);
609 static inline void pdc_packet_start(struct ata_queued_cmd *qc)
611 struct ata_port *ap = qc->ap;
612 struct pdc_port_priv *pp = ap->private_data;
613 unsigned int port_no = ap->port_no;
614 u8 seq = (u8) (port_no + 1);
616 VPRINTK("ENTER, ap %p\n", ap);
618 writel(0x00000001, ap->host->mmio_base + (seq * 4));
619 readl(ap->host->mmio_base + (seq * 4)); /* flush */
622 wmb(); /* flush PRD, pkt writes */
623 writel(pp->pkt_dma, (void __iomem *) ap->ioaddr.cmd_addr + PDC_PKT_SUBMIT);
624 readl((void __iomem *) ap->ioaddr.cmd_addr + PDC_PKT_SUBMIT); /* flush */
627 static unsigned int pdc_qc_issue_prot(struct ata_queued_cmd *qc)
629 switch (qc->tf.protocol) {
631 case ATA_PROT_NODATA:
632 pdc_packet_start(qc);
635 case ATA_PROT_ATAPI_DMA:
643 return ata_qc_issue_prot(qc);
646 static void pdc_tf_load_mmio(struct ata_port *ap, const struct ata_taskfile *tf)
648 WARN_ON (tf->protocol == ATA_PROT_DMA ||
649 tf->protocol == ATA_PROT_NODATA);
654 static void pdc_exec_command_mmio(struct ata_port *ap, const struct ata_taskfile *tf)
656 WARN_ON (tf->protocol == ATA_PROT_DMA ||
657 tf->protocol == ATA_PROT_NODATA);
658 ata_exec_command(ap, tf);
662 static void pdc_ata_setup_port(struct ata_ioports *port, unsigned long base)
664 port->cmd_addr = base;
665 port->data_addr = base;
667 port->error_addr = base + 0x4;
668 port->nsect_addr = base + 0x8;
669 port->lbal_addr = base + 0xc;
670 port->lbam_addr = base + 0x10;
671 port->lbah_addr = base + 0x14;
672 port->device_addr = base + 0x18;
674 port->status_addr = base + 0x1c;
675 port->altstatus_addr =
676 port->ctl_addr = base + 0x38;
680 static void pdc_host_init(unsigned int chip_id, struct ata_probe_ent *pe)
682 void __iomem *mmio = pe->mmio_base;
683 struct pdc_host_priv *hp = pe->private_data;
687 if (hp->flags & PDC_FLAG_GEN_II)
688 hotplug_offset = PDC2_SATA_PLUG_CSR;
690 hotplug_offset = PDC_SATA_PLUG_CSR;
693 * Except for the hotplug stuff, this is voodoo from the
694 * Promise driver. Label this entire section
695 * "TODO: figure out why we do this"
698 /* enable BMR_BURST, maybe change FIFO_SHD to 8 dwords */
699 tmp = readl(mmio + PDC_FLASH_CTL);
700 tmp |= 0x02000; /* bit 13 (enable bmr burst) */
701 if (!(hp->flags & PDC_FLAG_GEN_II))
702 tmp |= 0x10000; /* bit 16 (fifo threshold at 8 dw) */
703 writel(tmp, mmio + PDC_FLASH_CTL);
705 /* clear plug/unplug flags for all ports */
706 tmp = readl(mmio + hotplug_offset);
707 writel(tmp | 0xff, mmio + hotplug_offset);
709 /* mask plug/unplug ints */
710 tmp = readl(mmio + hotplug_offset);
711 writel(tmp | 0xff0000, mmio + hotplug_offset);
713 /* don't initialise TBG or SLEW on 2nd generation chips */
714 if (hp->flags & PDC_FLAG_GEN_II)
717 /* reduce TBG clock to 133 Mhz. */
718 tmp = readl(mmio + PDC_TBG_MODE);
719 tmp &= ~0x30000; /* clear bit 17, 16*/
720 tmp |= 0x10000; /* set bit 17:16 = 0:1 */
721 writel(tmp, mmio + PDC_TBG_MODE);
723 readl(mmio + PDC_TBG_MODE); /* flush */
726 /* adjust slew rate control register. */
727 tmp = readl(mmio + PDC_SLEW_CTL);
728 tmp &= 0xFFFFF03F; /* clear bit 11 ~ 6 */
729 tmp |= 0x00000900; /* set bit 11-9 = 100b , bit 8-6 = 100 */
730 writel(tmp, mmio + PDC_SLEW_CTL);
733 static int pdc_ata_init_one (struct pci_dev *pdev, const struct pci_device_id *ent)
735 static int printed_version;
736 struct ata_probe_ent *probe_ent = NULL;
737 struct pdc_host_priv *hp;
739 void __iomem *mmio_base;
740 unsigned int board_idx = (unsigned int) ent->driver_data;
741 int pci_dev_busy = 0;
744 if (!printed_version++)
745 dev_printk(KERN_DEBUG, &pdev->dev, "version " DRV_VERSION "\n");
747 rc = pci_enable_device(pdev);
751 rc = pci_request_regions(pdev, DRV_NAME);
757 rc = pci_set_dma_mask(pdev, ATA_DMA_MASK);
759 goto err_out_regions;
760 rc = pci_set_consistent_dma_mask(pdev, ATA_DMA_MASK);
762 goto err_out_regions;
764 probe_ent = kzalloc(sizeof(*probe_ent), GFP_KERNEL);
765 if (probe_ent == NULL) {
767 goto err_out_regions;
770 probe_ent->dev = pci_dev_to_dev(pdev);
771 INIT_LIST_HEAD(&probe_ent->node);
773 mmio_base = pci_iomap(pdev, 3, 0);
774 if (mmio_base == NULL) {
776 goto err_out_free_ent;
778 base = (unsigned long) mmio_base;
780 hp = kzalloc(sizeof(*hp), GFP_KERNEL);
783 goto err_out_free_ent;
786 probe_ent->private_data = hp;
788 probe_ent->sht = pdc_port_info[board_idx].sht;
789 probe_ent->port_flags = pdc_port_info[board_idx].flags;
790 probe_ent->pio_mask = pdc_port_info[board_idx].pio_mask;
791 probe_ent->mwdma_mask = pdc_port_info[board_idx].mwdma_mask;
792 probe_ent->udma_mask = pdc_port_info[board_idx].udma_mask;
793 probe_ent->port_ops = pdc_port_info[board_idx].port_ops;
795 probe_ent->irq = pdev->irq;
796 probe_ent->irq_flags = IRQF_SHARED;
797 probe_ent->mmio_base = mmio_base;
799 pdc_ata_setup_port(&probe_ent->port[0], base + 0x200);
800 pdc_ata_setup_port(&probe_ent->port[1], base + 0x280);
802 probe_ent->port[0].scr_addr = base + 0x400;
803 probe_ent->port[1].scr_addr = base + 0x500;
805 /* notice 4-port boards */
808 hp->flags |= PDC_FLAG_GEN_II;
811 probe_ent->n_ports = 4;
813 pdc_ata_setup_port(&probe_ent->port[2], base + 0x300);
814 pdc_ata_setup_port(&probe_ent->port[3], base + 0x380);
816 probe_ent->port[2].scr_addr = base + 0x600;
817 probe_ent->port[3].scr_addr = base + 0x700;
820 hp->flags |= PDC_FLAG_GEN_II;
823 probe_ent->n_ports = 2;
826 probe_ent->n_ports = 4;
828 pdc_ata_setup_port(&probe_ent->port[2], base + 0x300);
829 pdc_ata_setup_port(&probe_ent->port[3], base + 0x380);
831 probe_ent->port[2].scr_addr = base + 0x600;
832 probe_ent->port[3].scr_addr = base + 0x700;
839 pci_set_master(pdev);
841 /* initialize adapter */
842 pdc_host_init(board_idx, probe_ent);
844 /* FIXME: Need any other frees than hp? */
845 if (!ata_device_add(probe_ent))
855 pci_release_regions(pdev);
858 pci_disable_device(pdev);
863 static int __init pdc_ata_init(void)
865 return pci_register_driver(&pdc_ata_pci_driver);
869 static void __exit pdc_ata_exit(void)
871 pci_unregister_driver(&pdc_ata_pci_driver);
875 MODULE_AUTHOR("Jeff Garzik");
876 MODULE_DESCRIPTION("Promise ATA TX2/TX4/TX4000 low-level driver");
877 MODULE_LICENSE("GPL");
878 MODULE_DEVICE_TABLE(pci, pdc_ata_pci_tbl);
879 MODULE_VERSION(DRV_VERSION);
881 module_init(pdc_ata_init);
882 module_exit(pdc_ata_exit);