1/*
2 *  pdc_adma.c - Pacific Digital Corporation ADMA
3 *
4 *  Maintained by:  Tejun Heo <tj@kernel.org>
5 *
6 *  Copyright 2005 Mark Lord
7 *
8 *  This program is free software; you can redistribute it and/or modify
9 *  it under the terms of the GNU General Public License as published by
10 *  the Free Software Foundation; either version 2, or (at your option)
11 *  any later version.
12 *
13 *  This program is distributed in the hope that it will be useful,
14 *  but WITHOUT ANY WARRANTY; without even the implied warranty of
15 *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
16 *  GNU General Public License for more details.
17 *
18 *  You should have received a copy of the GNU General Public License
19 *  along with this program; see the file COPYING.  If not, write to
20 *  the Free Software Foundation, 675 Mass Ave, Cambridge, MA 02139, USA.
21 *
22 *
23 *  libata documentation is available via 'make {ps|pdf}docs',
24 *  as Documentation/DocBook/libata.*
25 *
26 *
27 *  Supports ATA disks in single-packet ADMA mode.
28 *  Uses PIO for everything else.
29 *
30 *  TODO:  Use ADMA transfers for ATAPI devices, when possible.
31 *  This requires careful attention to a number of quirks of the chip.
32 *
33 */
34
35#include <linux/kernel.h>
36#include <linux/module.h>
37#include <linux/gfp.h>
38#include <linux/pci.h>
39#include <linux/blkdev.h>
40#include <linux/delay.h>
41#include <linux/interrupt.h>
42#include <linux/device.h>
43#include <scsi/scsi_host.h>
44#include <linux/libata.h>
45
46#define DRV_NAME	"pdc_adma"
47#define DRV_VERSION	"1.0"
48
49/* macro to calculate base address for ATA regs */
50#define ADMA_ATA_REGS(base, port_no)	((base) + ((port_no) * 0x40))
51
52/* macro to calculate base address for ADMA regs */
53#define ADMA_REGS(base, port_no)	((base) + 0x80 + ((port_no) * 0x20))
54
55/* macro to obtain addresses from ata_port */
56#define ADMA_PORT_REGS(ap) \
57	ADMA_REGS((ap)->host->iomap[ADMA_MMIO_BAR], ap->port_no)
58
59enum {
60	ADMA_MMIO_BAR		= 4,
61
62	ADMA_PORTS		= 2,
63	ADMA_CPB_BYTES		= 40,
64	ADMA_PRD_BYTES		= LIBATA_MAX_PRD * 16,
65	ADMA_PKT_BYTES		= ADMA_CPB_BYTES + ADMA_PRD_BYTES,
66
67	ADMA_DMA_BOUNDARY	= 0xffffffff,
68
69	/* global register offsets */
70	ADMA_MODE_LOCK		= 0x00c7,
71
72	/* per-channel register offsets */
73	ADMA_CONTROL		= 0x0000, /* ADMA control */
74	ADMA_STATUS		= 0x0002, /* ADMA status */
75	ADMA_CPB_COUNT		= 0x0004, /* CPB count */
76	ADMA_CPB_CURRENT	= 0x000c, /* current CPB address */
77	ADMA_CPB_NEXT		= 0x000c, /* next CPB address */
78	ADMA_CPB_LOOKUP		= 0x0010, /* CPB lookup table */
79	ADMA_FIFO_IN		= 0x0014, /* input FIFO threshold */
80	ADMA_FIFO_OUT		= 0x0016, /* output FIFO threshold */
81
82	/* ADMA_CONTROL register bits */
83	aNIEN			= (1 << 8), /* irq mask: 1==masked */
84	aGO			= (1 << 7), /* packet trigger ("Go!") */
85	aRSTADM			= (1 << 5), /* ADMA logic reset */
86	aPIOMD4			= 0x0003,   /* PIO mode 4 */
87
88	/* ADMA_STATUS register bits */
89	aPSD			= (1 << 6),
90	aUIRQ			= (1 << 4),
91	aPERR			= (1 << 0),
92
93	/* CPB bits */
94	cDONE			= (1 << 0),
95	cATERR			= (1 << 3),
96
97	cVLD			= (1 << 0),
98	cDAT			= (1 << 2),
99	cIEN			= (1 << 3),
100
101	/* PRD bits */
102	pORD			= (1 << 4),
103	pDIRO			= (1 << 5),
104	pEND			= (1 << 7),
105
106	/* ATA register flags */
107	rIGN			= (1 << 5),
108	rEND			= (1 << 7),
109
110	/* ATA register addresses */
111	ADMA_REGS_CONTROL	= 0x0e,
112	ADMA_REGS_SECTOR_COUNT	= 0x12,
113	ADMA_REGS_LBA_LOW	= 0x13,
114	ADMA_REGS_LBA_MID	= 0x14,
115	ADMA_REGS_LBA_HIGH	= 0x15,
116	ADMA_REGS_DEVICE	= 0x16,
117	ADMA_REGS_COMMAND	= 0x17,
118
119	/* PCI device IDs */
120	board_1841_idx		= 0,	/* ADMA 2-port controller */
121};
122
123typedef enum { adma_state_idle, adma_state_pkt, adma_state_mmio } adma_state_t;
124
125struct adma_port_priv {
126	u8			*pkt;
127	dma_addr_t		pkt_dma;
128	adma_state_t		state;
129};
130
131static int adma_ata_init_one(struct pci_dev *pdev,
132				const struct pci_device_id *ent);
133static int adma_port_start(struct ata_port *ap);
134static void adma_port_stop(struct ata_port *ap);
135static void adma_qc_prep(struct ata_queued_cmd *qc);
136static unsigned int adma_qc_issue(struct ata_queued_cmd *qc);
137static int adma_check_atapi_dma(struct ata_queued_cmd *qc);
138static void adma_freeze(struct ata_port *ap);
139static void adma_thaw(struct ata_port *ap);
140static int adma_prereset(struct ata_link *link, unsigned long deadline);
141
142static struct scsi_host_template adma_ata_sht = {
143	ATA_BASE_SHT(DRV_NAME),
144	.sg_tablesize		= LIBATA_MAX_PRD,
145	.dma_boundary		= ADMA_DMA_BOUNDARY,
146};
147
148static struct ata_port_operations adma_ata_ops = {
149	.inherits		= &ata_sff_port_ops,
150
151	.lost_interrupt		= ATA_OP_NULL,
152
153	.check_atapi_dma	= adma_check_atapi_dma,
154	.qc_prep		= adma_qc_prep,
155	.qc_issue		= adma_qc_issue,
156
157	.freeze			= adma_freeze,
158	.thaw			= adma_thaw,
159	.prereset		= adma_prereset,
160
161	.port_start		= adma_port_start,
162	.port_stop		= adma_port_stop,
163};
164
165static struct ata_port_info adma_port_info[] = {
166	/* board_1841_idx */
167	{
168		.flags		= ATA_FLAG_SLAVE_POSS | ATA_FLAG_PIO_POLLING,
169		.pio_mask	= ATA_PIO4_ONLY,
170		.udma_mask	= ATA_UDMA4,
171		.port_ops	= &adma_ata_ops,
172	},
173};
174
175static const struct pci_device_id adma_ata_pci_tbl[] = {
176	{ PCI_VDEVICE(PDC, 0x1841), board_1841_idx },
177
178	{ }	/* terminate list */
179};
180
181static struct pci_driver adma_ata_pci_driver = {
182	.name			= DRV_NAME,
183	.id_table		= adma_ata_pci_tbl,
184	.probe			= adma_ata_init_one,
185	.remove			= ata_pci_remove_one,
186};
187
188static int adma_check_atapi_dma(struct ata_queued_cmd *qc)
189{
190	return 1;	/* ATAPI DMA not yet supported */
191}
192
193static void adma_reset_engine(struct ata_port *ap)
194{
195	void __iomem *chan = ADMA_PORT_REGS(ap);
196
197	/* reset ADMA to idle state */
198	writew(aPIOMD4 | aNIEN | aRSTADM, chan + ADMA_CONTROL);
199	udelay(2);
200	writew(aPIOMD4, chan + ADMA_CONTROL);
201	udelay(2);
202}
203
204static void adma_reinit_engine(struct ata_port *ap)
205{
206	struct adma_port_priv *pp = ap->private_data;
207	void __iomem *chan = ADMA_PORT_REGS(ap);
208
209	/* mask/clear ATA interrupts */
210	writeb(ATA_NIEN, ap->ioaddr.ctl_addr);
211	ata_sff_check_status(ap);
212
213	/* reset the ADMA engine */
214	adma_reset_engine(ap);
215
216	/* set in-FIFO threshold to 0x100 */
217	writew(0x100, chan + ADMA_FIFO_IN);
218
219	/* set CPB pointer */
220	writel((u32)pp->pkt_dma, chan + ADMA_CPB_NEXT);
221
222	/* set out-FIFO threshold to 0x100 */
223	writew(0x100, chan + ADMA_FIFO_OUT);
224
225	/* set CPB count */
226	writew(1, chan + ADMA_CPB_COUNT);
227
228	/* read/discard ADMA status */
229	readb(chan + ADMA_STATUS);
230}
231
232static inline void adma_enter_reg_mode(struct ata_port *ap)
233{
234	void __iomem *chan = ADMA_PORT_REGS(ap);
235
236	writew(aPIOMD4, chan + ADMA_CONTROL);
237	readb(chan + ADMA_STATUS);	/* flush */
238}
239
240static void adma_freeze(struct ata_port *ap)
241{
242	void __iomem *chan = ADMA_PORT_REGS(ap);
243
244	/* mask/clear ATA interrupts */
245	writeb(ATA_NIEN, ap->ioaddr.ctl_addr);
246	ata_sff_check_status(ap);
247
248	/* reset ADMA to idle state */
249	writew(aPIOMD4 | aNIEN | aRSTADM, chan + ADMA_CONTROL);
250	udelay(2);
251	writew(aPIOMD4 | aNIEN, chan + ADMA_CONTROL);
252	udelay(2);
253}
254
255static void adma_thaw(struct ata_port *ap)
256{
257	adma_reinit_engine(ap);
258}
259
260static int adma_prereset(struct ata_link *link, unsigned long deadline)
261{
262	struct ata_port *ap = link->ap;
263	struct adma_port_priv *pp = ap->private_data;
264
265	if (pp->state != adma_state_idle) /* healthy paranoia */
266		pp->state = adma_state_mmio;
267	adma_reinit_engine(ap);
268
269	return ata_sff_prereset(link, deadline);
270}
271
272static int adma_fill_sg(struct ata_queued_cmd *qc)
273{
274	struct scatterlist *sg;
275	struct ata_port *ap = qc->ap;
276	struct adma_port_priv *pp = ap->private_data;
277	u8  *buf = pp->pkt, *last_buf = NULL;
278	int i = (2 + buf[3]) * 8;
279	u8 pFLAGS = pORD | ((qc->tf.flags & ATA_TFLAG_WRITE) ? pDIRO : 0);
280	unsigned int si;
281
282	for_each_sg(qc->sg, sg, qc->n_elem, si) {
283		u32 addr;
284		u32 len;
285
286		addr = (u32)sg_dma_address(sg);
287		*(__le32 *)(buf + i) = cpu_to_le32(addr);
288		i += 4;
289
290		len = sg_dma_len(sg) >> 3;
291		*(__le32 *)(buf + i) = cpu_to_le32(len);
292		i += 4;
293
294		last_buf = &buf[i];
295		buf[i++] = pFLAGS;
296		buf[i++] = qc->dev->dma_mode & 0xf;
297		buf[i++] = 0;	/* pPKLW */
298		buf[i++] = 0;	/* reserved */
299
300		*(__le32 *)(buf + i) =
301			(pFLAGS & pEND) ? 0 : cpu_to_le32(pp->pkt_dma + i + 4);
302		i += 4;
303
304		VPRINTK("PRD[%u] = (0x%lX, 0x%X)\n", i/4,
305					(unsigned long)addr, len);
306	}
307
308	if (likely(last_buf))
309		*last_buf |= pEND;
310
311	return i;
312}
313
314static void adma_qc_prep(struct ata_queued_cmd *qc)
315{
316	struct adma_port_priv *pp = qc->ap->private_data;
317	u8  *buf = pp->pkt;
318	u32 pkt_dma = (u32)pp->pkt_dma;
319	int i = 0;
320
321	VPRINTK("ENTER\n");
322
323	adma_enter_reg_mode(qc->ap);
324	if (qc->tf.protocol != ATA_PROT_DMA)
325		return;
326
327	buf[i++] = 0;	/* Response flags */
328	buf[i++] = 0;	/* reserved */
329	buf[i++] = cVLD | cDAT | cIEN;
330	i++;		/* cLEN, gets filled in below */
331
332	*(__le32 *)(buf+i) = cpu_to_le32(pkt_dma);	/* cNCPB */
333	i += 4;		/* cNCPB */
334	i += 4;		/* cPRD, gets filled in below */
335
336	buf[i++] = 0;	/* reserved */
337	buf[i++] = 0;	/* reserved */
338	buf[i++] = 0;	/* reserved */
339	buf[i++] = 0;	/* reserved */
340
341	/* ATA registers; must be a multiple of 4 */
342	buf[i++] = qc->tf.device;
343	buf[i++] = ADMA_REGS_DEVICE;
344	if ((qc->tf.flags & ATA_TFLAG_LBA48)) {
345		buf[i++] = qc->tf.hob_nsect;
346		buf[i++] = ADMA_REGS_SECTOR_COUNT;
347		buf[i++] = qc->tf.hob_lbal;
348		buf[i++] = ADMA_REGS_LBA_LOW;
349		buf[i++] = qc->tf.hob_lbam;
350		buf[i++] = ADMA_REGS_LBA_MID;
351		buf[i++] = qc->tf.hob_lbah;
352		buf[i++] = ADMA_REGS_LBA_HIGH;
353	}
354	buf[i++] = qc->tf.nsect;
355	buf[i++] = ADMA_REGS_SECTOR_COUNT;
356	buf[i++] = qc->tf.lbal;
357	buf[i++] = ADMA_REGS_LBA_LOW;
358	buf[i++] = qc->tf.lbam;
359	buf[i++] = ADMA_REGS_LBA_MID;
360	buf[i++] = qc->tf.lbah;
361	buf[i++] = ADMA_REGS_LBA_HIGH;
362	buf[i++] = 0;
363	buf[i++] = ADMA_REGS_CONTROL;
364	buf[i++] = rIGN;
365	buf[i++] = 0;
366	buf[i++] = qc->tf.command;
367	buf[i++] = ADMA_REGS_COMMAND | rEND;
368
369	buf[3] = (i >> 3) - 2;				/* cLEN */
370	*(__le32 *)(buf+8) = cpu_to_le32(pkt_dma + i);	/* cPRD */
371
372	i = adma_fill_sg(qc);
373	wmb();	/* flush PRDs and pkt to memory */
374#if 0
375	/* dump out CPB + PRDs for debug */
376	{
377		int j, len = 0;
378		static char obuf[2048];
379		for (j = 0; j < i; ++j) {
380			len += sprintf(obuf+len, "%02x ", buf[j]);
381			if ((j & 7) == 7) {
382				printk("%s\n", obuf);
383				len = 0;
384			}
385		}
386		if (len)
387			printk("%s\n", obuf);
388	}
389#endif
390}
391
392static inline void adma_packet_start(struct ata_queued_cmd *qc)
393{
394	struct ata_port *ap = qc->ap;
395	void __iomem *chan = ADMA_PORT_REGS(ap);
396
397	VPRINTK("ENTER, ap %p\n", ap);
398
399	/* fire up the ADMA engine */
400	writew(aPIOMD4 | aGO, chan + ADMA_CONTROL);
401}
402
403static unsigned int adma_qc_issue(struct ata_queued_cmd *qc)
404{
405	struct adma_port_priv *pp = qc->ap->private_data;
406
407	switch (qc->tf.protocol) {
408	case ATA_PROT_DMA:
409		pp->state = adma_state_pkt;
410		adma_packet_start(qc);
411		return 0;
412
413	case ATAPI_PROT_DMA:
414		BUG();
415		break;
416
417	default:
418		break;
419	}
420
421	pp->state = adma_state_mmio;
422	return ata_sff_qc_issue(qc);
423}
424
425static inline unsigned int adma_intr_pkt(struct ata_host *host)
426{
427	unsigned int handled = 0, port_no;
428
429	for (port_no = 0; port_no < host->n_ports; ++port_no) {
430		struct ata_port *ap = host->ports[port_no];
431		struct adma_port_priv *pp;
432		struct ata_queued_cmd *qc;
433		void __iomem *chan = ADMA_PORT_REGS(ap);
434		u8 status = readb(chan + ADMA_STATUS);
435
436		if (status == 0)
437			continue;
438		handled = 1;
439		adma_enter_reg_mode(ap);
440		pp = ap->private_data;
441		if (!pp || pp->state != adma_state_pkt)
442			continue;
443		qc = ata_qc_from_tag(ap, ap->link.active_tag);
444		if (qc && (!(qc->tf.flags & ATA_TFLAG_POLLING))) {
445			if (status & aPERR)
446				qc->err_mask |= AC_ERR_HOST_BUS;
447			else if ((status & (aPSD | aUIRQ)))
448				qc->err_mask |= AC_ERR_OTHER;
449
450			if (pp->pkt[0] & cATERR)
451				qc->err_mask |= AC_ERR_DEV;
452			else if (pp->pkt[0] != cDONE)
453				qc->err_mask |= AC_ERR_OTHER;
454
455			if (!qc->err_mask)
456				ata_qc_complete(qc);
457			else {
458				struct ata_eh_info *ehi = &ap->link.eh_info;
459				ata_ehi_clear_desc(ehi);
460				ata_ehi_push_desc(ehi,
461					"ADMA-status 0x%02X", status);
462				ata_ehi_push_desc(ehi,
463					"pkt[0] 0x%02X", pp->pkt[0]);
464
465				if (qc->err_mask == AC_ERR_DEV)
466					ata_port_abort(ap);
467				else
468					ata_port_freeze(ap);
469			}
470		}
471	}
472	return handled;
473}
474
475static inline unsigned int adma_intr_mmio(struct ata_host *host)
476{
477	unsigned int handled = 0, port_no;
478
479	for (port_no = 0; port_no < host->n_ports; ++port_no) {
480		struct ata_port *ap = host->ports[port_no];
481		struct adma_port_priv *pp = ap->private_data;
482		struct ata_queued_cmd *qc;
483
484		if (!pp || pp->state != adma_state_mmio)
485			continue;
486		qc = ata_qc_from_tag(ap, ap->link.active_tag);
487		if (qc && (!(qc->tf.flags & ATA_TFLAG_POLLING))) {
488
489			/* check main status, clearing INTRQ */
490			u8 status = ata_sff_check_status(ap);
491			if ((status & ATA_BUSY))
492				continue;
493			DPRINTK("ata%u: protocol %d (dev_stat 0x%X)\n",
494				ap->print_id, qc->tf.protocol, status);
495
496			/* complete taskfile transaction */
497			pp->state = adma_state_idle;
498			qc->err_mask |= ac_err_mask(status);
499			if (!qc->err_mask)
500				ata_qc_complete(qc);
501			else {
502				struct ata_eh_info *ehi = &ap->link.eh_info;
503				ata_ehi_clear_desc(ehi);
504				ata_ehi_push_desc(ehi, "status 0x%02X", status);
505
506				if (qc->err_mask == AC_ERR_DEV)
507					ata_port_abort(ap);
508				else
509					ata_port_freeze(ap);
510			}
511			handled = 1;
512		}
513	}
514	return handled;
515}
516
517static irqreturn_t adma_intr(int irq, void *dev_instance)
518{
519	struct ata_host *host = dev_instance;
520	unsigned int handled = 0;
521
522	VPRINTK("ENTER\n");
523
524	spin_lock(&host->lock);
525	handled  = adma_intr_pkt(host) | adma_intr_mmio(host);
526	spin_unlock(&host->lock);
527
528	VPRINTK("EXIT\n");
529
530	return IRQ_RETVAL(handled);
531}
532
533static void adma_ata_setup_port(struct ata_ioports *port, void __iomem *base)
534{
535	port->cmd_addr		=
536	port->data_addr		= base + 0x000;
537	port->error_addr	=
538	port->feature_addr	= base + 0x004;
539	port->nsect_addr	= base + 0x008;
540	port->lbal_addr		= base + 0x00c;
541	port->lbam_addr		= base + 0x010;
542	port->lbah_addr		= base + 0x014;
543	port->device_addr	= base + 0x018;
544	port->status_addr	=
545	port->command_addr	= base + 0x01c;
546	port->altstatus_addr	=
547	port->ctl_addr		= base + 0x038;
548}
549
550static int adma_port_start(struct ata_port *ap)
551{
552	struct device *dev = ap->host->dev;
553	struct adma_port_priv *pp;
554
555	adma_enter_reg_mode(ap);
556	pp = devm_kzalloc(dev, sizeof(*pp), GFP_KERNEL);
557	if (!pp)
558		return -ENOMEM;
559	pp->pkt = dmam_alloc_coherent(dev, ADMA_PKT_BYTES, &pp->pkt_dma,
560				      GFP_KERNEL);
561	if (!pp->pkt)
562		return -ENOMEM;
563	/* paranoia? */
564	if ((pp->pkt_dma & 7) != 0) {
565		printk(KERN_ERR "bad alignment for pp->pkt_dma: %08x\n",
566						(u32)pp->pkt_dma);
567		return -ENOMEM;
568	}
569	memset(pp->pkt, 0, ADMA_PKT_BYTES);
570	ap->private_data = pp;
571	adma_reinit_engine(ap);
572	return 0;
573}
574
575static void adma_port_stop(struct ata_port *ap)
576{
577	adma_reset_engine(ap);
578}
579
580static void adma_host_init(struct ata_host *host, unsigned int chip_id)
581{
582	unsigned int port_no;
583
584	/* enable/lock aGO operation */
585	writeb(7, host->iomap[ADMA_MMIO_BAR] + ADMA_MODE_LOCK);
586
587	/* reset the ADMA logic */
588	for (port_no = 0; port_no < ADMA_PORTS; ++port_no)
589		adma_reset_engine(host->ports[port_no]);
590}
591
592static int adma_set_dma_masks(struct pci_dev *pdev, void __iomem *mmio_base)
593{
594	int rc;
595
596	rc = dma_set_mask(&pdev->dev, DMA_BIT_MASK(32));
597	if (rc) {
598		dev_err(&pdev->dev, "32-bit DMA enable failed\n");
599		return rc;
600	}
601	rc = dma_set_coherent_mask(&pdev->dev, DMA_BIT_MASK(32));
602	if (rc) {
603		dev_err(&pdev->dev, "32-bit consistent DMA enable failed\n");
604		return rc;
605	}
606	return 0;
607}
608
609static int adma_ata_init_one(struct pci_dev *pdev,
610			     const struct pci_device_id *ent)
611{
612	unsigned int board_idx = (unsigned int) ent->driver_data;
613	const struct ata_port_info *ppi[] = { &adma_port_info[board_idx], NULL };
614	struct ata_host *host;
615	void __iomem *mmio_base;
616	int rc, port_no;
617
618	ata_print_version_once(&pdev->dev, DRV_VERSION);
619
620	/* alloc host */
621	host = ata_host_alloc_pinfo(&pdev->dev, ppi, ADMA_PORTS);
622	if (!host)
623		return -ENOMEM;
624
625	/* acquire resources and fill host */
626	rc = pcim_enable_device(pdev);
627	if (rc)
628		return rc;
629
630	if ((pci_resource_flags(pdev, 4) & IORESOURCE_MEM) == 0)
631		return -ENODEV;
632
633	rc = pcim_iomap_regions(pdev, 1 << ADMA_MMIO_BAR, DRV_NAME);
634	if (rc)
635		return rc;
636	host->iomap = pcim_iomap_table(pdev);
637	mmio_base = host->iomap[ADMA_MMIO_BAR];
638
639	rc = adma_set_dma_masks(pdev, mmio_base);
640	if (rc)
641		return rc;
642
643	for (port_no = 0; port_no < ADMA_PORTS; ++port_no) {
644		struct ata_port *ap = host->ports[port_no];
645		void __iomem *port_base = ADMA_ATA_REGS(mmio_base, port_no);
646		unsigned int offset = port_base - mmio_base;
647
648		adma_ata_setup_port(&ap->ioaddr, port_base);
649
650		ata_port_pbar_desc(ap, ADMA_MMIO_BAR, -1, "mmio");
651		ata_port_pbar_desc(ap, ADMA_MMIO_BAR, offset, "port");
652	}
653
654	/* initialize adapter */
655	adma_host_init(host, board_idx);
656
657	pci_set_master(pdev);
658	return ata_host_activate(host, pdev->irq, adma_intr, IRQF_SHARED,
659				 &adma_ata_sht);
660}
661
662module_pci_driver(adma_ata_pci_driver);
663
664MODULE_AUTHOR("Mark Lord");
665MODULE_DESCRIPTION("Pacific Digital Corporation ADMA low-level driver");
666MODULE_LICENSE("GPL");
667MODULE_DEVICE_TABLE(pci, adma_ata_pci_tbl);
668MODULE_VERSION(DRV_VERSION);
669