blob: c14071be4f55f2f5222f5599b7570bba6de4d430 [file] [log] [blame]
Jeff Garzik669a5db2006-08-29 18:12:40 -04001/*
2 * pata_sil680.c - SIL680 PATA for new ATA layer
3 * (C) 2005 Red Hat Inc
Jeff Garzik669a5db2006-08-29 18:12:40 -04004 *
5 * based upon
6 *
7 * linux/drivers/ide/pci/siimage.c Version 1.07 Nov 30, 2003
8 *
9 * Copyright (C) 2001-2002 Andre Hedrick <andre@linux-ide.org>
10 * Copyright (C) 2003 Red Hat <alan@redhat.com>
11 *
12 * May be copied or modified under the terms of the GNU General Public License
13 *
Lucas De Marchi25985ed2011-03-30 22:57:33 -030014 * Documentation publicly available.
Jeff Garzik669a5db2006-08-29 18:12:40 -040015 *
16 * If you have strange problems with nVidia chipset systems please
17 * see the SI support documentation and update your system BIOS
Robert P. J. Day3a4fa0a2007-10-19 23:10:43 +020018 * if necessary
Jeff Garzik669a5db2006-08-29 18:12:40 -040019 *
20 * TODO
21 * If we know all our devices are LBA28 (or LBA28 sized) we could use
22 * the command fifo mode.
23 */
24
25#include <linux/kernel.h>
26#include <linux/module.h>
27#include <linux/pci.h>
Jeff Garzik669a5db2006-08-29 18:12:40 -040028#include <linux/blkdev.h>
29#include <linux/delay.h>
30#include <scsi/scsi_host.h>
31#include <linux/libata.h>
32
33#define DRV_NAME "pata_sil680"
Alan Cox871af122009-01-05 14:16:39 +000034#define DRV_VERSION "0.4.9"
Jeff Garzik669a5db2006-08-29 18:12:40 -040035
Jeff Garzik79b0bde12007-05-28 07:22:30 -040036#define SIL680_MMIO_BAR 5
37
Jeff Garzik669a5db2006-08-29 18:12:40 -040038/**
39 * sil680_selreg - return register base
Bartlomiej Zolnierkiewicz63521872011-10-11 20:17:05 +020040 * @ap: ATA interface
Jeff Garzik669a5db2006-08-29 18:12:40 -040041 * @r: config offset
42 *
Bartlomiej Zolnierkiewicz63521872011-10-11 20:17:05 +020043 * Turn a config register offset into the right address in PCI space
44 * to access the control register in question.
45 *
Lucas De Marchi25985ed2011-03-30 22:57:33 -030046 * Thankfully this is a configuration operation so isn't performance
Jeff Garzik669a5db2006-08-29 18:12:40 -040047 * criticial.
48 */
49
50static unsigned long sil680_selreg(struct ata_port *ap, int r)
51{
52 unsigned long base = 0xA0 + r;
53 base += (ap->port_no << 4);
54 return base;
55}
56
57/**
58 * sil680_seldev - return register base
Bartlomiej Zolnierkiewicz63521872011-10-11 20:17:05 +020059 * @ap: ATA interface
Jeff Garzik669a5db2006-08-29 18:12:40 -040060 * @r: config offset
61 *
Bartlomiej Zolnierkiewicz63521872011-10-11 20:17:05 +020062 * Turn a config register offset into the right address in PCI space
63 * to access the control register in question including accounting for
64 * the unit shift.
Jeff Garzik669a5db2006-08-29 18:12:40 -040065 */
66
67static unsigned long sil680_seldev(struct ata_port *ap, struct ata_device *adev, int r)
68{
69 unsigned long base = 0xA0 + r;
70 base += (ap->port_no << 4);
71 base |= adev->devno ? 2 : 0;
72 return base;
73}
74
75
76/**
77 * sil680_cable_detect - cable detection
78 * @ap: ATA port
79 *
80 * Perform cable detection. The SIL680 stores this in PCI config
81 * space for us.
82 */
83
Bartlomiej Zolnierkiewicz7a113d32011-10-11 20:21:50 +020084static int sil680_cable_detect(struct ata_port *ap)
85{
Jeff Garzik669a5db2006-08-29 18:12:40 -040086 struct pci_dev *pdev = to_pci_dev(ap->host->dev);
87 unsigned long addr = sil680_selreg(ap, 0);
88 u8 ata66;
89 pci_read_config_byte(pdev, addr, &ata66);
90 if (ata66 & 1)
91 return ATA_CBL_PATA80;
92 else
93 return ATA_CBL_PATA40;
94}
95
Jeff Garzik669a5db2006-08-29 18:12:40 -040096/**
Bartlomiej Zolnierkiewicz63521872011-10-11 20:17:05 +020097 * sil680_set_piomode - set PIO mode data
Jeff Garzik669a5db2006-08-29 18:12:40 -040098 * @ap: ATA interface
99 * @adev: ATA device
100 *
101 * Program the SIL680 registers for PIO mode. Note that the task speed
102 * registers are shared between the devices so we must pick the lowest
103 * mode for command work.
104 */
105
106static void sil680_set_piomode(struct ata_port *ap, struct ata_device *adev)
107{
Bartlomiej Zolnierkiewicz9b8ad4a2011-10-11 20:20:28 +0200108 static const u16 speed_p[5] = {
109 0x328A, 0x2283, 0x1104, 0x10C3, 0x10C1
110 };
111 static const u16 speed_t[5] = {
112 0x328A, 0x2283, 0x1281, 0x10C3, 0x10C1
113 };
Jeff Garzik669a5db2006-08-29 18:12:40 -0400114
115 unsigned long tfaddr = sil680_selreg(ap, 0x02);
116 unsigned long addr = sil680_seldev(ap, adev, 0x04);
Alancb0e34b2007-02-20 17:49:25 +0000117 unsigned long addr_mask = 0x80 + 4 * ap->port_no;
Jeff Garzik669a5db2006-08-29 18:12:40 -0400118 struct pci_dev *pdev = to_pci_dev(ap->host->dev);
119 int pio = adev->pio_mode - XFER_PIO_0;
120 int lowest_pio = pio;
Alancb0e34b2007-02-20 17:49:25 +0000121 int port_shift = 4 * adev->devno;
Jeff Garzik669a5db2006-08-29 18:12:40 -0400122 u16 reg;
Alancb0e34b2007-02-20 17:49:25 +0000123 u8 mode;
Jeff Garzik669a5db2006-08-29 18:12:40 -0400124
125 struct ata_device *pair = ata_dev_pair(adev);
126
127 if (pair != NULL && adev->pio_mode > pair->pio_mode)
128 lowest_pio = pair->pio_mode - XFER_PIO_0;
129
130 pci_write_config_word(pdev, addr, speed_p[pio]);
131 pci_write_config_word(pdev, tfaddr, speed_t[lowest_pio]);
132
133 pci_read_config_word(pdev, tfaddr-2, &reg);
Alancb0e34b2007-02-20 17:49:25 +0000134 pci_read_config_byte(pdev, addr_mask, &mode);
Jeff Garzika84471f2007-02-26 05:51:33 -0500135
Jeff Garzik669a5db2006-08-29 18:12:40 -0400136 reg &= ~0x0200; /* Clear IORDY */
Alancb0e34b2007-02-20 17:49:25 +0000137 mode &= ~(3 << port_shift); /* Clear IORDY and DMA bits */
Jeff Garzika84471f2007-02-26 05:51:33 -0500138
Alancb0e34b2007-02-20 17:49:25 +0000139 if (ata_pio_need_iordy(adev)) {
Jeff Garzik669a5db2006-08-29 18:12:40 -0400140 reg |= 0x0200; /* Enable IORDY */
Alancb0e34b2007-02-20 17:49:25 +0000141 mode |= 1 << port_shift;
142 }
Jeff Garzik669a5db2006-08-29 18:12:40 -0400143 pci_write_config_word(pdev, tfaddr-2, reg);
Alancb0e34b2007-02-20 17:49:25 +0000144 pci_write_config_byte(pdev, addr_mask, mode);
Jeff Garzik669a5db2006-08-29 18:12:40 -0400145}
146
147/**
Bartlomiej Zolnierkiewicz63521872011-10-11 20:17:05 +0200148 * sil680_set_dmamode - set DMA mode data
Jeff Garzik669a5db2006-08-29 18:12:40 -0400149 * @ap: ATA interface
150 * @adev: ATA device
151 *
Bartlomiej Zolnierkiewicz63521872011-10-11 20:17:05 +0200152 * Program the MWDMA/UDMA modes for the sil680 chipset.
153 *
154 * The MWDMA mode values are pulled from a lookup table
Jeff Garzik669a5db2006-08-29 18:12:40 -0400155 * while the chipset uses mode number for UDMA.
156 */
157
158static void sil680_set_dmamode(struct ata_port *ap, struct ata_device *adev)
159{
Bartlomiej Zolnierkiewicz9b8ad4a2011-10-11 20:20:28 +0200160 static const u8 ultra_table[2][7] = {
Jeff Garzik669a5db2006-08-29 18:12:40 -0400161 { 0x0C, 0x07, 0x05, 0x04, 0x02, 0x01, 0xFF }, /* 100MHz */
162 { 0x0F, 0x0B, 0x07, 0x05, 0x03, 0x02, 0x01 }, /* 133Mhz */
163 };
Bartlomiej Zolnierkiewicz9b8ad4a2011-10-11 20:20:28 +0200164 static const u16 dma_table[3] = { 0x2208, 0x10C2, 0x10C1 };
Jeff Garzik669a5db2006-08-29 18:12:40 -0400165
166 struct pci_dev *pdev = to_pci_dev(ap->host->dev);
167 unsigned long ma = sil680_seldev(ap, adev, 0x08);
168 unsigned long ua = sil680_seldev(ap, adev, 0x0C);
169 unsigned long addr_mask = 0x80 + 4 * ap->port_no;
170 int port_shift = adev->devno * 4;
171 u8 scsc, mode;
172 u16 multi, ultra;
173
174 pci_read_config_byte(pdev, 0x8A, &scsc);
175 pci_read_config_byte(pdev, addr_mask, &mode);
176 pci_read_config_word(pdev, ma, &multi);
177 pci_read_config_word(pdev, ua, &ultra);
178
179 /* Mask timing bits */
180 ultra &= ~0x3F;
181 mode &= ~(0x03 << port_shift);
182
183 /* Extract scsc */
Bartlomiej Zolnierkiewicz7a113d32011-10-11 20:21:50 +0200184 scsc = (scsc & 0x30) ? 1 : 0;
Jeff Garzik669a5db2006-08-29 18:12:40 -0400185
186 if (adev->dma_mode >= XFER_UDMA_0) {
187 multi = 0x10C1;
188 ultra |= ultra_table[scsc][adev->dma_mode - XFER_UDMA_0];
189 mode |= (0x03 << port_shift);
190 } else {
191 multi = dma_table[adev->dma_mode - XFER_MW_DMA_0];
192 mode |= (0x02 << port_shift);
193 }
194 pci_write_config_byte(pdev, addr_mask, mode);
195 pci_write_config_word(pdev, ma, multi);
196 pci_write_config_word(pdev, ua, ultra);
197}
198
Alan Coxc4acf992010-05-05 10:25:58 +0100199/**
200 * sil680_sff_exec_command - issue ATA command to host controller
201 * @ap: port to which command is being issued
202 * @tf: ATA taskfile register set
203 *
204 * Issues ATA command, with proper synchronization with interrupt
205 * handler / other threads. Use our MMIO space for PCI posting to avoid
206 * a hideously slow cycle all the way to the device.
207 *
208 * LOCKING:
209 * spin_lock_irqsave(host lock)
210 */
Sergei Shtylyovada5b122010-10-05 20:31:47 +0400211static void sil680_sff_exec_command(struct ata_port *ap,
212 const struct ata_taskfile *tf)
Alan Coxc4acf992010-05-05 10:25:58 +0100213{
214 DPRINTK("ata%u: cmd 0x%X\n", ap->print_id, tf->command);
215 iowrite8(tf->command, ap->ioaddr.command_addr);
216 ioread8(ap->ioaddr.bmdma_addr + ATA_DMA_CMD);
217}
218
Sergei Shtylyov9b980e12010-10-08 19:01:08 +0400219static bool sil680_sff_irq_check(struct ata_port *ap)
220{
221 struct pci_dev *pdev = to_pci_dev(ap->host->dev);
222 unsigned long addr = sil680_selreg(ap, 1);
223 u8 val;
224
225 pci_read_config_byte(pdev, addr, &val);
226
227 return val & 0x08;
228}
229
Jeff Garzik669a5db2006-08-29 18:12:40 -0400230static struct scsi_host_template sil680_sht = {
Tejun Heo68d1d072008-03-25 12:22:49 +0900231 ATA_BMDMA_SHT(DRV_NAME),
Jeff Garzik669a5db2006-08-29 18:12:40 -0400232};
233
Alan Coxc4acf992010-05-05 10:25:58 +0100234
Jeff Garzik669a5db2006-08-29 18:12:40 -0400235static struct ata_port_operations sil680_port_ops = {
Alan Coxc4acf992010-05-05 10:25:58 +0100236 .inherits = &ata_bmdma32_port_ops,
237 .sff_exec_command = sil680_sff_exec_command,
Sergei Shtylyov9b980e12010-10-08 19:01:08 +0400238 .sff_irq_check = sil680_sff_irq_check,
Alan Coxc4acf992010-05-05 10:25:58 +0100239 .cable_detect = sil680_cable_detect,
240 .set_piomode = sil680_set_piomode,
241 .set_dmamode = sil680_set_dmamode,
Jeff Garzik669a5db2006-08-29 18:12:40 -0400242};
243
Alan8550c162006-11-22 17:28:41 +0000244/**
245 * sil680_init_chip - chip setup
246 * @pdev: PCI device
247 *
248 * Perform all the chip setup which must be done both when the device
249 * is powered up on boot and when we resume in case we resumed from RAM.
250 * Returns the final clock settings.
251 */
Jeff Garzikf20b16f2006-12-11 11:14:06 -0500252
Benjamin Herrenschmidt2b9e68f2007-07-06 19:21:22 -0400253static u8 sil680_init_chip(struct pci_dev *pdev, int *try_mmio)
Jeff Garzik669a5db2006-08-29 18:12:40 -0400254{
Jeff Garzik669a5db2006-08-29 18:12:40 -0400255 u8 tmpbyte = 0;
256
Bartlomiej Zolnierkiewicz7a113d32011-10-11 20:21:50 +0200257 /* FIXME: double check */
Sergei Shtylyov89d3b362009-11-24 22:54:49 +0400258 pci_write_config_byte(pdev, PCI_CACHE_LINE_SIZE,
259 pdev->revision ? 1 : 255);
Jeff Garzik669a5db2006-08-29 18:12:40 -0400260
261 pci_write_config_byte(pdev, 0x80, 0x00);
262 pci_write_config_byte(pdev, 0x84, 0x00);
263
264 pci_read_config_byte(pdev, 0x8A, &tmpbyte);
265
Jeff Garzik79b0bde12007-05-28 07:22:30 -0400266 dev_dbg(&pdev->dev, "sil680: BA5_EN = %d clock = %02X\n",
267 tmpbyte & 1, tmpbyte & 0x30);
Jeff Garzik669a5db2006-08-29 18:12:40 -0400268
Benjamin Herrenschmidt0f436ef2008-03-28 14:52:29 -0700269 *try_mmio = 0;
Kumar Gala47d692a2008-09-22 14:47:33 -0700270#ifdef CONFIG_PPC
Benjamin Herrenschmidt0f436ef2008-03-28 14:52:29 -0700271 if (machine_is(cell))
272 *try_mmio = (tmpbyte & 1) || pci_resource_start(pdev, 5);
273#endif
Benjamin Herrenschmidt2b9e68f2007-07-06 19:21:22 -0400274
Bartlomiej Zolnierkiewicz7a113d32011-10-11 20:21:50 +0200275 switch (tmpbyte & 0x30) {
276 case 0x00:
277 /* 133 clock attempt to force it on */
278 pci_write_config_byte(pdev, 0x8A, tmpbyte|0x10);
279 break;
280 case 0x30:
281 /* if clocking is disabled */
282 /* 133 clock attempt to force it on */
283 pci_write_config_byte(pdev, 0x8A, tmpbyte & ~0x20);
284 break;
285 case 0x10:
286 /* 133 already */
287 break;
288 case 0x20:
289 /* BIOS set PCI x2 clocking */
290 break;
Jeff Garzik669a5db2006-08-29 18:12:40 -0400291 }
292
293 pci_read_config_byte(pdev, 0x8A, &tmpbyte);
Jeff Garzik79b0bde12007-05-28 07:22:30 -0400294 dev_dbg(&pdev->dev, "sil680: BA5_EN = %d clock = %02X\n",
295 tmpbyte & 1, tmpbyte & 0x30);
Jeff Garzik669a5db2006-08-29 18:12:40 -0400296
297 pci_write_config_byte(pdev, 0xA1, 0x72);
298 pci_write_config_word(pdev, 0xA2, 0x328A);
299 pci_write_config_dword(pdev, 0xA4, 0x62DD62DD);
300 pci_write_config_dword(pdev, 0xA8, 0x43924392);
301 pci_write_config_dword(pdev, 0xAC, 0x40094009);
302 pci_write_config_byte(pdev, 0xB1, 0x72);
303 pci_write_config_word(pdev, 0xB2, 0x328A);
304 pci_write_config_dword(pdev, 0xB4, 0x62DD62DD);
305 pci_write_config_dword(pdev, 0xB8, 0x43924392);
306 pci_write_config_dword(pdev, 0xBC, 0x40094009);
307
Bartlomiej Zolnierkiewicz7a113d32011-10-11 20:21:50 +0200308 switch (tmpbyte & 0x30) {
309 case 0x00:
310 printk(KERN_INFO "sil680: 100MHz clock.\n");
311 break;
312 case 0x10:
313 printk(KERN_INFO "sil680: 133MHz clock.\n");
314 break;
315 case 0x20:
316 printk(KERN_INFO "sil680: Using PCI clock.\n");
317 break;
318 /* This last case is _NOT_ ok */
319 case 0x30:
320 printk(KERN_ERR "sil680: Clock disabled ?\n");
Alan8550c162006-11-22 17:28:41 +0000321 }
322 return tmpbyte & 0x30;
323}
324
Greg Kroah-Hartman0ec24912012-12-21 13:19:58 -0800325static int sil680_init_one(struct pci_dev *pdev, const struct pci_device_id *id)
Alan8550c162006-11-22 17:28:41 +0000326{
Tejun Heo1626aeb2007-05-04 12:43:58 +0200327 static const struct ata_port_info info = {
Jeff Garzik1d2808f2007-05-28 06:59:48 -0400328 .flags = ATA_FLAG_SLAVE_POSS,
Erik Inge Bolsø14bdef92009-03-14 21:38:24 +0100329 .pio_mask = ATA_PIO4,
330 .mwdma_mask = ATA_MWDMA2,
Jeff Garzikbf6263a2007-07-09 12:16:50 -0400331 .udma_mask = ATA_UDMA6,
Alan8550c162006-11-22 17:28:41 +0000332 .port_ops = &sil680_port_ops
333 };
Tejun Heo1626aeb2007-05-04 12:43:58 +0200334 static const struct ata_port_info info_slow = {
Jeff Garzik1d2808f2007-05-28 06:59:48 -0400335 .flags = ATA_FLAG_SLAVE_POSS,
Erik Inge Bolsø14bdef92009-03-14 21:38:24 +0100336 .pio_mask = ATA_PIO4,
337 .mwdma_mask = ATA_MWDMA2,
Jeff Garzikbf6263a2007-07-09 12:16:50 -0400338 .udma_mask = ATA_UDMA5,
Alan8550c162006-11-22 17:28:41 +0000339 .port_ops = &sil680_port_ops
340 };
Tejun Heo1626aeb2007-05-04 12:43:58 +0200341 const struct ata_port_info *ppi[] = { &info, NULL };
Benjamin Herrenschmidt2b9e68f2007-07-06 19:21:22 -0400342 struct ata_host *host;
343 void __iomem *mmio_base;
344 int rc, try_mmio;
Alan8550c162006-11-22 17:28:41 +0000345
Joe Perches06296a12011-04-15 15:52:00 -0700346 ata_print_version_once(&pdev->dev, DRV_VERSION);
Alan8550c162006-11-22 17:28:41 +0000347
Tejun Heof08048e2008-03-25 12:22:47 +0900348 rc = pcim_enable_device(pdev);
349 if (rc)
350 return rc;
351
Benjamin Herrenschmidt2b9e68f2007-07-06 19:21:22 -0400352 switch (sil680_init_chip(pdev, &try_mmio)) {
Alan8550c162006-11-22 17:28:41 +0000353 case 0:
Tejun Heo1626aeb2007-05-04 12:43:58 +0200354 ppi[0] = &info_slow;
Alan8550c162006-11-22 17:28:41 +0000355 break;
356 case 0x30:
357 return -ENODEV;
Jeff Garzik669a5db2006-08-29 18:12:40 -0400358 }
Benjamin Herrenschmidt2b9e68f2007-07-06 19:21:22 -0400359
360 if (!try_mmio)
361 goto use_ioports;
362
363 /* Try to acquire MMIO resources and fallback to PIO if
364 * that fails
365 */
Benjamin Herrenschmidt2b9e68f2007-07-06 19:21:22 -0400366 rc = pcim_iomap_regions(pdev, 1 << SIL680_MMIO_BAR, DRV_NAME);
367 if (rc)
368 goto use_ioports;
369
370 /* Allocate host and set it up */
371 host = ata_host_alloc_pinfo(&pdev->dev, ppi, 2);
372 if (!host)
373 return -ENOMEM;
374 host->iomap = pcim_iomap_table(pdev);
375
376 /* Setup DMA masks */
Quentin Lambertc54c7192015-04-08 14:34:10 +0200377 rc = dma_set_mask(&pdev->dev, ATA_DMA_MASK);
Benjamin Herrenschmidt2b9e68f2007-07-06 19:21:22 -0400378 if (rc)
379 return rc;
Quentin Lambertc54c7192015-04-08 14:34:10 +0200380 rc = dma_set_coherent_mask(&pdev->dev, ATA_DMA_MASK);
Benjamin Herrenschmidt2b9e68f2007-07-06 19:21:22 -0400381 if (rc)
382 return rc;
383 pci_set_master(pdev);
384
385 /* Get MMIO base and initialize port addresses */
386 mmio_base = host->iomap[SIL680_MMIO_BAR];
387 host->ports[0]->ioaddr.bmdma_addr = mmio_base + 0x00;
388 host->ports[0]->ioaddr.cmd_addr = mmio_base + 0x80;
389 host->ports[0]->ioaddr.ctl_addr = mmio_base + 0x8a;
390 host->ports[0]->ioaddr.altstatus_addr = mmio_base + 0x8a;
Tejun Heo9363c382008-04-07 22:47:16 +0900391 ata_sff_std_ports(&host->ports[0]->ioaddr);
Benjamin Herrenschmidt2b9e68f2007-07-06 19:21:22 -0400392 host->ports[1]->ioaddr.bmdma_addr = mmio_base + 0x08;
393 host->ports[1]->ioaddr.cmd_addr = mmio_base + 0xc0;
394 host->ports[1]->ioaddr.ctl_addr = mmio_base + 0xca;
395 host->ports[1]->ioaddr.altstatus_addr = mmio_base + 0xca;
Tejun Heo9363c382008-04-07 22:47:16 +0900396 ata_sff_std_ports(&host->ports[1]->ioaddr);
Benjamin Herrenschmidt2b9e68f2007-07-06 19:21:22 -0400397
398 /* Register & activate */
Tejun Heoc3b28892010-05-19 22:10:21 +0200399 return ata_host_activate(host, pdev->irq, ata_bmdma_interrupt,
Tejun Heo9363c382008-04-07 22:47:16 +0900400 IRQF_SHARED, &sil680_sht);
Benjamin Herrenschmidt2b9e68f2007-07-06 19:21:22 -0400401
402use_ioports:
Tejun Heo1c5afdf2010-05-19 22:10:22 +0200403 return ata_pci_bmdma_init_one(pdev, ppi, &sil680_sht, NULL, 0);
Jeff Garzik669a5db2006-08-29 18:12:40 -0400404}
405
Bartlomiej Zolnierkiewicz58eb8cd2014-05-07 17:17:44 +0200406#ifdef CONFIG_PM_SLEEP
Alan8550c162006-11-22 17:28:41 +0000407static int sil680_reinit_one(struct pci_dev *pdev)
408{
Jingoo Han0a86e1c2013-06-03 14:05:36 +0900409 struct ata_host *host = pci_get_drvdata(pdev);
Tejun Heof08048e2008-03-25 12:22:47 +0900410 int try_mmio, rc;
Benjamin Herrenschmidt2b9e68f2007-07-06 19:21:22 -0400411
Tejun Heof08048e2008-03-25 12:22:47 +0900412 rc = ata_pci_device_do_resume(pdev);
413 if (rc)
414 return rc;
Benjamin Herrenschmidt2b9e68f2007-07-06 19:21:22 -0400415 sil680_init_chip(pdev, &try_mmio);
Tejun Heof08048e2008-03-25 12:22:47 +0900416 ata_host_resume(host);
417 return 0;
Alan8550c162006-11-22 17:28:41 +0000418}
Tejun Heo438ac6d2007-03-02 17:31:26 +0900419#endif
Alan8550c162006-11-22 17:28:41 +0000420
Jeff Garzik669a5db2006-08-29 18:12:40 -0400421static const struct pci_device_id sil680[] = {
Jeff Garzik2d2744f2006-09-28 20:21:59 -0400422 { PCI_VDEVICE(CMD, PCI_DEVICE_ID_SII_680), },
423
424 { },
Jeff Garzik669a5db2006-08-29 18:12:40 -0400425};
426
427static struct pci_driver sil680_pci_driver = {
Jeff Garzik2d2744f2006-09-28 20:21:59 -0400428 .name = DRV_NAME,
Jeff Garzik669a5db2006-08-29 18:12:40 -0400429 .id_table = sil680,
430 .probe = sil680_init_one,
Alan8550c162006-11-22 17:28:41 +0000431 .remove = ata_pci_remove_one,
Bartlomiej Zolnierkiewicz58eb8cd2014-05-07 17:17:44 +0200432#ifdef CONFIG_PM_SLEEP
Alan8550c162006-11-22 17:28:41 +0000433 .suspend = ata_pci_device_suspend,
434 .resume = sil680_reinit_one,
Tejun Heo438ac6d2007-03-02 17:31:26 +0900435#endif
Jeff Garzik669a5db2006-08-29 18:12:40 -0400436};
437
Axel Lin2fc75da2012-04-19 13:43:05 +0800438module_pci_driver(sil680_pci_driver);
Jeff Garzik669a5db2006-08-29 18:12:40 -0400439
Jeff Garzik669a5db2006-08-29 18:12:40 -0400440MODULE_AUTHOR("Alan Cox");
441MODULE_DESCRIPTION("low-level driver for SI680 PATA");
442MODULE_LICENSE("GPL");
443MODULE_DEVICE_TABLE(pci, sil680);
444MODULE_VERSION(DRV_VERSION);