blob: 53b0d5c0a61f45b4c25f78326c7aad38ff441c42 [file] [log] [blame]
Linus Torvalds1da177e2005-04-16 15:20:36 -07001/*
2 * sata_svw.c - ServerWorks / Apple K2 SATA
3 *
4 * Maintained by: Benjamin Herrenschmidt <benh@kernel.crashing.org> and
5 * Jeff Garzik <jgarzik@pobox.com>
6 * Please ALWAYS copy linux-ide@vger.kernel.org
7 * on emails.
8 *
9 * Copyright 2003 Benjamin Herrenschmidt <benh@kernel.crashing.org>
10 *
11 * Bits from Jeff Garzik, Copyright RedHat, Inc.
12 *
13 * This driver probably works with non-Apple versions of the
14 * Broadcom chipset...
15 *
Linus Torvalds1da177e2005-04-16 15:20:36 -070016 *
Jeff Garzikaf36d7f2005-08-28 20:18:39 -040017 * This program is free software; you can redistribute it and/or modify
18 * it under the terms of the GNU General Public License as published by
19 * the Free Software Foundation; either version 2, or (at your option)
20 * any later version.
21 *
22 * This program is distributed in the hope that it will be useful,
23 * but WITHOUT ANY WARRANTY; without even the implied warranty of
24 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
25 * GNU General Public License for more details.
26 *
27 * You should have received a copy of the GNU General Public License
28 * along with this program; see the file COPYING. If not, write to
29 * the Free Software Foundation, 675 Mass Ave, Cambridge, MA 02139, USA.
30 *
31 *
32 * libata documentation is available via 'make {ps|pdf}docs',
33 * as Documentation/DocBook/libata.*
34 *
35 * Hardware documentation available under NDA.
Linus Torvalds1da177e2005-04-16 15:20:36 -070036 *
37 */
38
39#include <linux/config.h>
40#include <linux/kernel.h>
41#include <linux/module.h>
42#include <linux/pci.h>
43#include <linux/init.h>
44#include <linux/blkdev.h>
45#include <linux/delay.h>
46#include <linux/interrupt.h>
Jeff Garzika9524a72005-10-30 14:39:11 -050047#include <linux/device.h>
Linus Torvalds1da177e2005-04-16 15:20:36 -070048#include <scsi/scsi_host.h>
49#include <linux/libata.h>
50
51#ifdef CONFIG_PPC_OF
52#include <asm/prom.h>
53#include <asm/pci-bridge.h>
54#endif /* CONFIG_PPC_OF */
55
56#define DRV_NAME "sata_svw"
Jeff Garzik7bdd7202005-11-16 11:06:59 -050057#define DRV_VERSION "1.07"
Linus Torvalds1da177e2005-04-16 15:20:36 -070058
Jeff Garzik55cca652006-03-21 22:14:17 -050059enum {
60 /* Taskfile registers offsets */
61 K2_SATA_TF_CMD_OFFSET = 0x00,
62 K2_SATA_TF_DATA_OFFSET = 0x00,
63 K2_SATA_TF_ERROR_OFFSET = 0x04,
64 K2_SATA_TF_NSECT_OFFSET = 0x08,
65 K2_SATA_TF_LBAL_OFFSET = 0x0c,
66 K2_SATA_TF_LBAM_OFFSET = 0x10,
67 K2_SATA_TF_LBAH_OFFSET = 0x14,
68 K2_SATA_TF_DEVICE_OFFSET = 0x18,
69 K2_SATA_TF_CMDSTAT_OFFSET = 0x1c,
70 K2_SATA_TF_CTL_OFFSET = 0x20,
Linus Torvalds1da177e2005-04-16 15:20:36 -070071
Jeff Garzik55cca652006-03-21 22:14:17 -050072 /* DMA base */
73 K2_SATA_DMA_CMD_OFFSET = 0x30,
Linus Torvalds1da177e2005-04-16 15:20:36 -070074
Jeff Garzik55cca652006-03-21 22:14:17 -050075 /* SCRs base */
76 K2_SATA_SCR_STATUS_OFFSET = 0x40,
77 K2_SATA_SCR_ERROR_OFFSET = 0x44,
78 K2_SATA_SCR_CONTROL_OFFSET = 0x48,
Linus Torvalds1da177e2005-04-16 15:20:36 -070079
Jeff Garzik55cca652006-03-21 22:14:17 -050080 /* Others */
81 K2_SATA_SICR1_OFFSET = 0x80,
82 K2_SATA_SICR2_OFFSET = 0x84,
83 K2_SATA_SIM_OFFSET = 0x88,
Linus Torvalds1da177e2005-04-16 15:20:36 -070084
Jeff Garzik55cca652006-03-21 22:14:17 -050085 /* Port stride */
86 K2_SATA_PORT_OFFSET = 0x100,
87};
Linus Torvalds1da177e2005-04-16 15:20:36 -070088
Jeff Garzikac19bff2005-10-29 13:58:21 -040089static u8 k2_stat_check_status(struct ata_port *ap);
90
Linus Torvalds1da177e2005-04-16 15:20:36 -070091
92static u32 k2_sata_scr_read (struct ata_port *ap, unsigned int sc_reg)
93{
94 if (sc_reg > SCR_CONTROL)
95 return 0xffffffffU;
96 return readl((void *) ap->ioaddr.scr_addr + (sc_reg * 4));
97}
98
99
100static void k2_sata_scr_write (struct ata_port *ap, unsigned int sc_reg,
101 u32 val)
102{
103 if (sc_reg > SCR_CONTROL)
104 return;
105 writel(val, (void *) ap->ioaddr.scr_addr + (sc_reg * 4));
106}
107
108
Jeff Garzik057ace52005-10-22 14:27:05 -0400109static void k2_sata_tf_load(struct ata_port *ap, const struct ata_taskfile *tf)
Linus Torvalds1da177e2005-04-16 15:20:36 -0700110{
111 struct ata_ioports *ioaddr = &ap->ioaddr;
112 unsigned int is_addr = tf->flags & ATA_TFLAG_ISADDR;
113
114 if (tf->ctl != ap->last_ctl) {
115 writeb(tf->ctl, ioaddr->ctl_addr);
116 ap->last_ctl = tf->ctl;
117 ata_wait_idle(ap);
118 }
119 if (is_addr && (tf->flags & ATA_TFLAG_LBA48)) {
120 writew(tf->feature | (((u16)tf->hob_feature) << 8), ioaddr->feature_addr);
121 writew(tf->nsect | (((u16)tf->hob_nsect) << 8), ioaddr->nsect_addr);
122 writew(tf->lbal | (((u16)tf->hob_lbal) << 8), ioaddr->lbal_addr);
123 writew(tf->lbam | (((u16)tf->hob_lbam) << 8), ioaddr->lbam_addr);
124 writew(tf->lbah | (((u16)tf->hob_lbah) << 8), ioaddr->lbah_addr);
125 } else if (is_addr) {
126 writew(tf->feature, ioaddr->feature_addr);
127 writew(tf->nsect, ioaddr->nsect_addr);
128 writew(tf->lbal, ioaddr->lbal_addr);
129 writew(tf->lbam, ioaddr->lbam_addr);
130 writew(tf->lbah, ioaddr->lbah_addr);
131 }
132
133 if (tf->flags & ATA_TFLAG_DEVICE)
134 writeb(tf->device, ioaddr->device_addr);
135
136 ata_wait_idle(ap);
137}
138
139
140static void k2_sata_tf_read(struct ata_port *ap, struct ata_taskfile *tf)
141{
142 struct ata_ioports *ioaddr = &ap->ioaddr;
Jeff Garzikac19bff2005-10-29 13:58:21 -0400143 u16 nsect, lbal, lbam, lbah, feature;
Linus Torvalds1da177e2005-04-16 15:20:36 -0700144
Jeff Garzikac19bff2005-10-29 13:58:21 -0400145 tf->command = k2_stat_check_status(ap);
Linus Torvalds1da177e2005-04-16 15:20:36 -0700146 tf->device = readw(ioaddr->device_addr);
Jeff Garzikac19bff2005-10-29 13:58:21 -0400147 feature = readw(ioaddr->error_addr);
148 nsect = readw(ioaddr->nsect_addr);
149 lbal = readw(ioaddr->lbal_addr);
150 lbam = readw(ioaddr->lbam_addr);
151 lbah = readw(ioaddr->lbah_addr);
152
153 tf->feature = feature;
154 tf->nsect = nsect;
155 tf->lbal = lbal;
156 tf->lbam = lbam;
157 tf->lbah = lbah;
Linus Torvalds1da177e2005-04-16 15:20:36 -0700158
159 if (tf->flags & ATA_TFLAG_LBA48) {
Jeff Garzikac19bff2005-10-29 13:58:21 -0400160 tf->hob_feature = feature >> 8;
Linus Torvalds1da177e2005-04-16 15:20:36 -0700161 tf->hob_nsect = nsect >> 8;
162 tf->hob_lbal = lbal >> 8;
163 tf->hob_lbam = lbam >> 8;
164 tf->hob_lbah = lbah >> 8;
165 }
166}
167
168/**
169 * k2_bmdma_setup_mmio - Set up PCI IDE BMDMA transaction (MMIO)
170 * @qc: Info associated with this ATA transaction.
171 *
172 * LOCKING:
173 * spin_lock_irqsave(host_set lock)
174 */
175
176static void k2_bmdma_setup_mmio (struct ata_queued_cmd *qc)
177{
178 struct ata_port *ap = qc->ap;
179 unsigned int rw = (qc->tf.flags & ATA_TFLAG_WRITE);
180 u8 dmactl;
181 void *mmio = (void *) ap->ioaddr.bmdma_addr;
182 /* load PRD table addr. */
183 mb(); /* make sure PRD table writes are visible to controller */
184 writel(ap->prd_dma, mmio + ATA_DMA_TABLE_OFS);
185
186 /* specify data direction, triple-check start bit is clear */
187 dmactl = readb(mmio + ATA_DMA_CMD);
188 dmactl &= ~(ATA_DMA_WR | ATA_DMA_START);
189 if (!rw)
190 dmactl |= ATA_DMA_WR;
191 writeb(dmactl, mmio + ATA_DMA_CMD);
192
193 /* issue r/w command if this is not a ATA DMA command*/
194 if (qc->tf.protocol != ATA_PROT_DMA)
195 ap->ops->exec_command(ap, &qc->tf);
196}
197
198/**
199 * k2_bmdma_start_mmio - Start a PCI IDE BMDMA transaction (MMIO)
200 * @qc: Info associated with this ATA transaction.
201 *
202 * LOCKING:
203 * spin_lock_irqsave(host_set lock)
204 */
205
206static void k2_bmdma_start_mmio (struct ata_queued_cmd *qc)
207{
208 struct ata_port *ap = qc->ap;
209 void *mmio = (void *) ap->ioaddr.bmdma_addr;
210 u8 dmactl;
211
212 /* start host DMA transaction */
213 dmactl = readb(mmio + ATA_DMA_CMD);
214 writeb(dmactl | ATA_DMA_START, mmio + ATA_DMA_CMD);
Jeff Garzik8a60a072005-07-31 13:13:24 -0400215 /* There is a race condition in certain SATA controllers that can
216 be seen when the r/w command is given to the controller before the
Linus Torvalds1da177e2005-04-16 15:20:36 -0700217 host DMA is started. On a Read command, the controller would initiate
218 the command to the drive even before it sees the DMA start. When there
Jeff Garzik8a60a072005-07-31 13:13:24 -0400219 are very fast drives connected to the controller, or when the data request
Linus Torvalds1da177e2005-04-16 15:20:36 -0700220 hits in the drive cache, there is the possibility that the drive returns a part
221 or all of the requested data to the controller before the DMA start is issued.
222 In this case, the controller would become confused as to what to do with the data.
223 In the worst case when all the data is returned back to the controller, the
224 controller could hang. In other cases it could return partial data returning
225 in data corruption. This problem has been seen in PPC systems and can also appear
Jeff Garzik8a60a072005-07-31 13:13:24 -0400226 on an system with very fast disks, where the SATA controller is sitting behind a
Linus Torvalds1da177e2005-04-16 15:20:36 -0700227 number of bridges, and hence there is significant latency between the r/w command
228 and the start command. */
229 /* issue r/w command if the access is to ATA*/
230 if (qc->tf.protocol == ATA_PROT_DMA)
231 ap->ops->exec_command(ap, &qc->tf);
232}
233
Jeff Garzik8a60a072005-07-31 13:13:24 -0400234
Linus Torvalds1da177e2005-04-16 15:20:36 -0700235static u8 k2_stat_check_status(struct ata_port *ap)
236{
237 return readl((void *) ap->ioaddr.status_addr);
238}
239
240#ifdef CONFIG_PPC_OF
241/*
242 * k2_sata_proc_info
243 * inout : decides on the direction of the dataflow and the meaning of the
244 * variables
245 * buffer: If inout==FALSE data is being written to it else read from it
246 * *start: If inout==FALSE start of the valid data in the buffer
247 * offset: If inout==FALSE offset from the beginning of the imaginary file
248 * from which we start writing into the buffer
249 * length: If inout==FALSE max number of bytes to be written into the buffer
250 * else number of bytes in the buffer
251 */
252static int k2_sata_proc_info(struct Scsi_Host *shost, char *page, char **start,
253 off_t offset, int count, int inout)
254{
255 struct ata_port *ap;
256 struct device_node *np;
257 int len, index;
258
259 /* Find the ata_port */
260 ap = (struct ata_port *) &shost->hostdata[0];
261 if (ap == NULL)
262 return 0;
263
264 /* Find the OF node for the PCI device proper */
265 np = pci_device_to_OF_node(to_pci_dev(ap->host_set->dev));
266 if (np == NULL)
267 return 0;
268
269 /* Match it to a port node */
270 index = (ap == ap->host_set->ports[0]) ? 0 : 1;
271 for (np = np->child; np != NULL; np = np->sibling) {
272 u32 *reg = (u32 *)get_property(np, "reg", NULL);
273 if (!reg)
274 continue;
275 if (index == *reg)
276 break;
277 }
278 if (np == NULL)
279 return 0;
280
281 len = sprintf(page, "devspec: %s\n", np->full_name);
282
283 return len;
284}
285#endif /* CONFIG_PPC_OF */
286
287
Jeff Garzik193515d2005-11-07 00:59:37 -0500288static struct scsi_host_template k2_sata_sht = {
Linus Torvalds1da177e2005-04-16 15:20:36 -0700289 .module = THIS_MODULE,
290 .name = DRV_NAME,
291 .ioctl = ata_scsi_ioctl,
292 .queuecommand = ata_scsi_queuecmd,
Linus Torvalds1da177e2005-04-16 15:20:36 -0700293 .can_queue = ATA_DEF_QUEUE,
294 .this_id = ATA_SHT_THIS_ID,
295 .sg_tablesize = LIBATA_MAX_PRD,
Linus Torvalds1da177e2005-04-16 15:20:36 -0700296 .cmd_per_lun = ATA_SHT_CMD_PER_LUN,
297 .emulated = ATA_SHT_EMULATED,
298 .use_clustering = ATA_SHT_USE_CLUSTERING,
299 .proc_name = DRV_NAME,
300 .dma_boundary = ATA_DMA_BOUNDARY,
301 .slave_configure = ata_scsi_slave_config,
302#ifdef CONFIG_PPC_OF
303 .proc_info = k2_sata_proc_info,
304#endif
305 .bios_param = ata_std_bios_param,
Linus Torvalds1da177e2005-04-16 15:20:36 -0700306};
307
308
Jeff Garzik057ace52005-10-22 14:27:05 -0400309static const struct ata_port_operations k2_sata_ops = {
Linus Torvalds1da177e2005-04-16 15:20:36 -0700310 .port_disable = ata_port_disable,
311 .tf_load = k2_sata_tf_load,
312 .tf_read = k2_sata_tf_read,
313 .check_status = k2_stat_check_status,
314 .exec_command = ata_exec_command,
315 .dev_select = ata_std_dev_select,
316 .phy_reset = sata_phy_reset,
317 .bmdma_setup = k2_bmdma_setup_mmio,
318 .bmdma_start = k2_bmdma_start_mmio,
319 .bmdma_stop = ata_bmdma_stop,
320 .bmdma_status = ata_bmdma_status,
321 .qc_prep = ata_qc_prep,
322 .qc_issue = ata_qc_issue_prot,
323 .eng_timeout = ata_eng_timeout,
324 .irq_handler = ata_interrupt,
325 .irq_clear = ata_bmdma_irq_clear,
326 .scr_read = k2_sata_scr_read,
327 .scr_write = k2_sata_scr_write,
328 .port_start = ata_port_start,
329 .port_stop = ata_port_stop,
Jeff Garzik374b1872005-08-30 05:42:52 -0400330 .host_stop = ata_pci_host_stop,
Linus Torvalds1da177e2005-04-16 15:20:36 -0700331};
332
333static void k2_sata_setup_port(struct ata_ioports *port, unsigned long base)
334{
335 port->cmd_addr = base + K2_SATA_TF_CMD_OFFSET;
336 port->data_addr = base + K2_SATA_TF_DATA_OFFSET;
337 port->feature_addr =
338 port->error_addr = base + K2_SATA_TF_ERROR_OFFSET;
339 port->nsect_addr = base + K2_SATA_TF_NSECT_OFFSET;
340 port->lbal_addr = base + K2_SATA_TF_LBAL_OFFSET;
341 port->lbam_addr = base + K2_SATA_TF_LBAM_OFFSET;
342 port->lbah_addr = base + K2_SATA_TF_LBAH_OFFSET;
343 port->device_addr = base + K2_SATA_TF_DEVICE_OFFSET;
344 port->command_addr =
345 port->status_addr = base + K2_SATA_TF_CMDSTAT_OFFSET;
346 port->altstatus_addr =
347 port->ctl_addr = base + K2_SATA_TF_CTL_OFFSET;
348 port->bmdma_addr = base + K2_SATA_DMA_CMD_OFFSET;
349 port->scr_addr = base + K2_SATA_SCR_STATUS_OFFSET;
350}
351
352
353static int k2_sata_init_one (struct pci_dev *pdev, const struct pci_device_id *ent)
354{
355 static int printed_version;
356 struct ata_probe_ent *probe_ent = NULL;
357 unsigned long base;
Jeff Garzikea6ba102005-08-30 05:18:18 -0400358 void __iomem *mmio_base;
Linus Torvalds1da177e2005-04-16 15:20:36 -0700359 int pci_dev_busy = 0;
360 int rc;
Narendra Sankar60bf09a2005-05-25 16:51:00 -0700361 int i;
Linus Torvalds1da177e2005-04-16 15:20:36 -0700362
363 if (!printed_version++)
Jeff Garzika9524a72005-10-30 14:39:11 -0500364 dev_printk(KERN_DEBUG, &pdev->dev, "version " DRV_VERSION "\n");
Linus Torvalds1da177e2005-04-16 15:20:36 -0700365
366 /*
367 * If this driver happens to only be useful on Apple's K2, then
368 * we should check that here as it has a normal Serverworks ID
369 */
370 rc = pci_enable_device(pdev);
371 if (rc)
372 return rc;
373 /*
374 * Check if we have resources mapped at all (second function may
375 * have been disabled by firmware)
376 */
377 if (pci_resource_len(pdev, 5) == 0)
378 return -ENODEV;
379
380 /* Request PCI regions */
381 rc = pci_request_regions(pdev, DRV_NAME);
382 if (rc) {
383 pci_dev_busy = 1;
384 goto err_out;
385 }
386
387 rc = pci_set_dma_mask(pdev, ATA_DMA_MASK);
388 if (rc)
389 goto err_out_regions;
390 rc = pci_set_consistent_dma_mask(pdev, ATA_DMA_MASK);
391 if (rc)
392 goto err_out_regions;
393
394 probe_ent = kmalloc(sizeof(*probe_ent), GFP_KERNEL);
395 if (probe_ent == NULL) {
396 rc = -ENOMEM;
397 goto err_out_regions;
398 }
399
400 memset(probe_ent, 0, sizeof(*probe_ent));
401 probe_ent->dev = pci_dev_to_dev(pdev);
402 INIT_LIST_HEAD(&probe_ent->node);
403
Jeff Garzik374b1872005-08-30 05:42:52 -0400404 mmio_base = pci_iomap(pdev, 5, 0);
Linus Torvalds1da177e2005-04-16 15:20:36 -0700405 if (mmio_base == NULL) {
406 rc = -ENOMEM;
407 goto err_out_free_ent;
408 }
409 base = (unsigned long) mmio_base;
410
411 /* Clear a magic bit in SCR1 according to Darwin, those help
412 * some funky seagate drives (though so far, those were already
Rolf Eike Beer104e5012005-03-27 08:50:38 -0500413 * set by the firmware on the machines I had access to)
Linus Torvalds1da177e2005-04-16 15:20:36 -0700414 */
415 writel(readl(mmio_base + K2_SATA_SICR1_OFFSET) & ~0x00040000,
416 mmio_base + K2_SATA_SICR1_OFFSET);
417
418 /* Clear SATA error & interrupts we don't use */
419 writel(0xffffffff, mmio_base + K2_SATA_SCR_ERROR_OFFSET);
420 writel(0x0, mmio_base + K2_SATA_SIM_OFFSET);
421
422 probe_ent->sht = &k2_sata_sht;
423 probe_ent->host_flags = ATA_FLAG_SATA | ATA_FLAG_SATA_RESET |
424 ATA_FLAG_NO_LEGACY | ATA_FLAG_MMIO;
425 probe_ent->port_ops = &k2_sata_ops;
426 probe_ent->n_ports = 4;
427 probe_ent->irq = pdev->irq;
428 probe_ent->irq_flags = SA_SHIRQ;
429 probe_ent->mmio_base = mmio_base;
430
431 /* We don't care much about the PIO/UDMA masks, but the core won't like us
432 * if we don't fill these
433 */
434 probe_ent->pio_mask = 0x1f;
435 probe_ent->mwdma_mask = 0x7;
436 probe_ent->udma_mask = 0x7f;
437
Narendra Sankar60bf09a2005-05-25 16:51:00 -0700438 /* different controllers have different number of ports - currently 4 or 8 */
439 /* All ports are on the same function. Multi-function device is no
440 * longer available. This should not be seen in any system. */
441 for (i = 0; i < ent->driver_data; i++)
442 k2_sata_setup_port(&probe_ent->port[i], base + i * K2_SATA_PORT_OFFSET);
Linus Torvalds1da177e2005-04-16 15:20:36 -0700443
444 pci_set_master(pdev);
445
446 /* FIXME: check ata_device_add return value */
447 ata_device_add(probe_ent);
448 kfree(probe_ent);
449
450 return 0;
451
452err_out_free_ent:
453 kfree(probe_ent);
454err_out_regions:
455 pci_release_regions(pdev);
456err_out:
457 if (!pci_dev_busy)
458 pci_disable_device(pdev);
459 return rc;
460}
461
Narendra Sankar60bf09a2005-05-25 16:51:00 -0700462/* 0x240 is device ID for Apple K2 device
463 * 0x241 is device ID for Serverworks Frodo4
464 * 0x242 is device ID for Serverworks Frodo8
465 * 0x24a is device ID for BCM5785 (aka HT1000) HT southbridge integrated SATA
466 * controller
467 * */
Jeff Garzik3b7d6972005-11-10 11:04:11 -0500468static const struct pci_device_id k2_sata_pci_tbl[] = {
Narendra Sankar60bf09a2005-05-25 16:51:00 -0700469 { 0x1166, 0x0240, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 4 },
470 { 0x1166, 0x0241, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 4 },
471 { 0x1166, 0x0242, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 8 },
472 { 0x1166, 0x024a, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 4 },
Oliver Weihe88b52872006-01-17 07:58:42 -0500473 { 0x1166, 0x024b, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 4 },
Linus Torvalds1da177e2005-04-16 15:20:36 -0700474 { }
475};
476
477
478static struct pci_driver k2_sata_pci_driver = {
479 .name = DRV_NAME,
480 .id_table = k2_sata_pci_tbl,
481 .probe = k2_sata_init_one,
482 .remove = ata_pci_remove_one,
483};
484
485
486static int __init k2_sata_init(void)
487{
488 return pci_module_init(&k2_sata_pci_driver);
489}
490
491
492static void __exit k2_sata_exit(void)
493{
494 pci_unregister_driver(&k2_sata_pci_driver);
495}
496
497
498MODULE_AUTHOR("Benjamin Herrenschmidt");
499MODULE_DESCRIPTION("low-level driver for K2 SATA controller");
500MODULE_LICENSE("GPL");
501MODULE_DEVICE_TABLE(pci, k2_sata_pci_tbl);
502MODULE_VERSION(DRV_VERSION);
503
504module_init(k2_sata_init);
505module_exit(k2_sata_exit);