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Linus Torvalds1da177e2005-04-16 15:20:36 -07001/*
Linus Torvalds1da177e2005-04-16 15:20:36 -07002 * SL82C105/Winbond 553 IDE driver
3 *
4 * Maintainer unknown.
5 *
6 * Drive tuning added from Rebel.com's kernel sources
7 * -- Russell King (15/11/98) linux@arm.linux.org.uk
8 *
9 * Merge in Russell's HW workarounds, fix various problems
10 * with the timing registers setup.
11 * -- Benjamin Herrenschmidt (01/11/03) benh@kernel.crashing.org
Sergei Shtylyove93df702007-05-05 22:03:49 +020012 *
13 * Copyright (C) 2006-2007 MontaVista Software, Inc. <source@mvista.com>
Bartlomiej Zolnierkiewicz6ae8b1e2008-01-26 20:12:58 +010014 * Copyright (C) 2007 Bartlomiej Zolnierkiewicz
Linus Torvalds1da177e2005-04-16 15:20:36 -070015 */
16
Linus Torvalds1da177e2005-04-16 15:20:36 -070017#include <linux/types.h>
18#include <linux/module.h>
19#include <linux/kernel.h>
Linus Torvalds1da177e2005-04-16 15:20:36 -070020#include <linux/pci.h>
21#include <linux/ide.h>
22
23#include <asm/io.h>
Linus Torvalds1da177e2005-04-16 15:20:36 -070024
Bartlomiej Zolnierkiewiczced3ec82008-07-24 22:53:32 +020025#define DRV_NAME "sl82c105"
26
Linus Torvalds1da177e2005-04-16 15:20:36 -070027#undef DEBUG
28
29#ifdef DEBUG
30#define DBG(arg) printk arg
31#else
32#define DBG(fmt,...)
33#endif
34/*
35 * SL82C105 PCI config register 0x40 bits.
36 */
37#define CTRL_IDE_IRQB (1 << 30)
38#define CTRL_IDE_IRQA (1 << 28)
39#define CTRL_LEGIRQ (1 << 11)
40#define CTRL_P1F16 (1 << 5)
41#define CTRL_P1EN (1 << 4)
42#define CTRL_P0F16 (1 << 1)
43#define CTRL_P0EN (1 << 0)
44
45/*
Sergei Shtylyove93df702007-05-05 22:03:49 +020046 * Convert a PIO mode and cycle time to the required on/off times
47 * for the interface. This has protection against runaway timings.
Linus Torvalds1da177e2005-04-16 15:20:36 -070048 */
Bartlomiej Zolnierkiewicz7dd00082007-07-20 01:11:56 +020049static unsigned int get_pio_timings(ide_drive_t *drive, u8 pio)
Linus Torvalds1da177e2005-04-16 15:20:36 -070050{
Bartlomiej Zolnierkiewicz3f847572008-07-16 20:33:38 +020051 struct ide_timing *t = ide_timing_find_mode(XFER_PIO_0 + pio);
Sergei Shtylyove93df702007-05-05 22:03:49 +020052 unsigned int cmd_on, cmd_off;
Bartlomiej Zolnierkiewicz22298332007-07-20 01:11:55 +020053 u8 iordy = 0;
Linus Torvalds1da177e2005-04-16 15:20:36 -070054
Bartlomiej Zolnierkiewicz3f847572008-07-16 20:33:38 +020055 cmd_on = (t->active + 29) / 30;
Bartlomiej Zolnierkiewicz7dd00082007-07-20 01:11:56 +020056 cmd_off = (ide_pio_cycle_time(drive, pio) - 30 * cmd_on + 29) / 30;
Linus Torvalds1da177e2005-04-16 15:20:36 -070057
Linus Torvalds1da177e2005-04-16 15:20:36 -070058 if (cmd_on == 0)
59 cmd_on = 1;
60
Linus Torvalds1da177e2005-04-16 15:20:36 -070061 if (cmd_off == 0)
62 cmd_off = 1;
63
Bartlomiej Zolnierkiewicz5d5870f2008-10-10 22:39:29 +020064 if (pio > 2 || ata_id_has_iordy(drive->id))
Bartlomiej Zolnierkiewicz22298332007-07-20 01:11:55 +020065 iordy = 0x40;
66
67 return (cmd_on - 1) << 8 | (cmd_off - 1) | iordy;
Linus Torvalds1da177e2005-04-16 15:20:36 -070068}
69
70/*
Sergei Shtylyove93df702007-05-05 22:03:49 +020071 * Configure the chipset for PIO mode.
Linus Torvalds1da177e2005-04-16 15:20:36 -070072 */
Bartlomiej Zolnierkiewicz88b2b322007-10-13 17:47:51 +020073static void sl82c105_set_pio_mode(ide_drive_t *drive, const u8 pio)
Linus Torvalds1da177e2005-04-16 15:20:36 -070074{
Bartlomiej Zolnierkiewicz36501652008-02-01 23:09:31 +010075 struct pci_dev *dev = to_pci_dev(drive->hwif->dev);
Sergei Shtylyove93df702007-05-05 22:03:49 +020076 int reg = 0x44 + drive->dn * 4;
Sergei Shtylyove93df702007-05-05 22:03:49 +020077 u16 drv_ctrl;
Linus Torvalds1da177e2005-04-16 15:20:36 -070078
Bartlomiej Zolnierkiewicz7dd00082007-07-20 01:11:56 +020079 drv_ctrl = get_pio_timings(drive, pio);
Sergei Shtylyov46cedc92007-05-16 00:51:44 +020080
81 /*
82 * Store the PIO timings so that we can restore them
83 * in case DMA will be turned off...
84 */
85 drive->drive_data &= 0xffff0000;
86 drive->drive_data |= drv_ctrl;
Linus Torvalds1da177e2005-04-16 15:20:36 -070087
Bartlomiej Zolnierkiewicz6ae8b1e2008-01-26 20:12:58 +010088 pci_write_config_word(dev, reg, drv_ctrl);
89 pci_read_config_word (dev, reg, &drv_ctrl);
Sergei Shtylyove93df702007-05-05 22:03:49 +020090
91 printk(KERN_DEBUG "%s: selected %s (%dns) (%04X)\n", drive->name,
Bartlomiej Zolnierkiewicz7dd00082007-07-20 01:11:56 +020092 ide_xfer_verbose(pio + XFER_PIO_0),
93 ide_pio_cycle_time(drive, pio), drv_ctrl);
Linus Torvalds1da177e2005-04-16 15:20:36 -070094}
95
96/*
Bartlomiej Zolnierkiewicz88b2b322007-10-13 17:47:51 +020097 * Configure the chipset for DMA mode.
Sergei Shtylyov46cedc92007-05-16 00:51:44 +020098 */
Bartlomiej Zolnierkiewicz88b2b322007-10-13 17:47:51 +020099static void sl82c105_set_dma_mode(ide_drive_t *drive, const u8 speed)
Sergei Shtylyov46cedc92007-05-16 00:51:44 +0200100{
101 static u16 mwdma_timings[] = {0x0707, 0x0201, 0x0200};
102 u16 drv_ctrl;
103
104 DBG(("sl82c105_tune_chipset(drive:%s, speed:%s)\n",
105 drive->name, ide_xfer_verbose(speed)));
106
Bartlomiej Zolnierkiewicz4db90a12008-01-25 22:17:18 +0100107 drv_ctrl = mwdma_timings[speed - XFER_MW_DMA_0];
Sergei Shtylyov46cedc92007-05-16 00:51:44 +0200108
Bartlomiej Zolnierkiewicz4db90a12008-01-25 22:17:18 +0100109 /*
110 * Store the DMA timings so that we can actually program
111 * them when DMA will be turned on...
112 */
113 drive->drive_data &= 0x0000ffff;
114 drive->drive_data |= (unsigned long)drv_ctrl << 16;
Sergei Shtylyov46cedc92007-05-16 00:51:44 +0200115}
116
117/*
Linus Torvalds1da177e2005-04-16 15:20:36 -0700118 * The SL82C105 holds off all IDE interrupts while in DMA mode until
119 * all DMA activity is completed. Sometimes this causes problems (eg,
120 * when the drive wants to report an error condition).
121 *
122 * 0x7e is a "chip testing" register. Bit 2 resets the DMA controller
123 * state machine. We need to kick this to work around various bugs.
124 */
125static inline void sl82c105_reset_host(struct pci_dev *dev)
126{
127 u16 val;
128
129 pci_read_config_word(dev, 0x7e, &val);
130 pci_write_config_word(dev, 0x7e, val | (1 << 2));
131 pci_write_config_word(dev, 0x7e, val & ~(1 << 2));
132}
133
134/*
135 * If we get an IRQ timeout, it might be that the DMA state machine
136 * got confused. Fix from Todd Inglett. Details from Winbond.
137 *
138 * This function is called when the IDE timer expires, the drive
139 * indicates that it is READY, and we were waiting for DMA to complete.
140 */
Sergei Shtylyov841d2a92007-07-09 23:17:54 +0200141static void sl82c105_dma_lost_irq(ide_drive_t *drive)
Linus Torvalds1da177e2005-04-16 15:20:36 -0700142{
Sergei Shtylyov688a87d2007-05-05 22:03:49 +0200143 ide_hwif_t *hwif = HWIF(drive);
Bartlomiej Zolnierkiewicz36501652008-02-01 23:09:31 +0100144 struct pci_dev *dev = to_pci_dev(hwif->dev);
Sergei Shtylyov688a87d2007-05-05 22:03:49 +0200145 u32 val, mask = hwif->channel ? CTRL_IDE_IRQB : CTRL_IDE_IRQA;
146 u8 dma_cmd;
Linus Torvalds1da177e2005-04-16 15:20:36 -0700147
Sergei Shtylyov688a87d2007-05-05 22:03:49 +0200148 printk("sl82c105: lost IRQ, resetting host\n");
Linus Torvalds1da177e2005-04-16 15:20:36 -0700149
150 /*
151 * Check the raw interrupt from the drive.
152 */
153 pci_read_config_dword(dev, 0x40, &val);
154 if (val & mask)
155 printk("sl82c105: drive was requesting IRQ, but host lost it\n");
156
157 /*
158 * Was DMA enabled? If so, disable it - we're resetting the
159 * host. The IDE layer will be handling the drive for us.
160 */
Bartlomiej Zolnierkiewiczcab7f8e2008-07-23 19:55:51 +0200161 dma_cmd = inb(hwif->dma_base + ATA_DMA_CMD);
Sergei Shtylyov688a87d2007-05-05 22:03:49 +0200162 if (dma_cmd & 1) {
Bartlomiej Zolnierkiewiczcab7f8e2008-07-23 19:55:51 +0200163 outb(dma_cmd & ~1, hwif->dma_base + ATA_DMA_CMD);
Linus Torvalds1da177e2005-04-16 15:20:36 -0700164 printk("sl82c105: DMA was enabled\n");
165 }
166
167 sl82c105_reset_host(dev);
Linus Torvalds1da177e2005-04-16 15:20:36 -0700168}
169
170/*
171 * ATAPI devices can cause the SL82C105 DMA state machine to go gaga.
172 * Winbond recommend that the DMA state machine is reset prior to
173 * setting the bus master DMA enable bit.
174 *
175 * The generic IDE core will have disabled the BMEN bit before this
176 * function is called.
177 */
Sergei Shtylyov688a87d2007-05-05 22:03:49 +0200178static void sl82c105_dma_start(ide_drive_t *drive)
Linus Torvalds1da177e2005-04-16 15:20:36 -0700179{
Sergei Shtylyov688a87d2007-05-05 22:03:49 +0200180 ide_hwif_t *hwif = HWIF(drive);
Bartlomiej Zolnierkiewicz36501652008-02-01 23:09:31 +0100181 struct pci_dev *dev = to_pci_dev(hwif->dev);
Bartlomiej Zolnierkiewicz6ae8b1e2008-01-26 20:12:58 +0100182 int reg = 0x44 + drive->dn * 4;
183
Harvey Harrisoneb639632008-04-26 22:25:20 +0200184 DBG(("%s(drive:%s)\n", __func__, drive->name));
Bartlomiej Zolnierkiewicz6ae8b1e2008-01-26 20:12:58 +0100185
186 pci_write_config_word(dev, reg, drive->drive_data >> 16);
Linus Torvalds1da177e2005-04-16 15:20:36 -0700187
188 sl82c105_reset_host(dev);
189 ide_dma_start(drive);
190}
191
Sergei Shtylyovc283f5d2007-07-09 23:17:54 +0200192static void sl82c105_dma_timeout(ide_drive_t *drive)
Linus Torvalds1da177e2005-04-16 15:20:36 -0700193{
Bartlomiej Zolnierkiewicz36501652008-02-01 23:09:31 +0100194 struct pci_dev *dev = to_pci_dev(drive->hwif->dev);
195
Sergei Shtylyovc283f5d2007-07-09 23:17:54 +0200196 DBG(("sl82c105_dma_timeout(drive:%s)\n", drive->name));
Linus Torvalds1da177e2005-04-16 15:20:36 -0700197
Bartlomiej Zolnierkiewicz36501652008-02-01 23:09:31 +0100198 sl82c105_reset_host(dev);
Sergei Shtylyovc283f5d2007-07-09 23:17:54 +0200199 ide_dma_timeout(drive);
Linus Torvalds1da177e2005-04-16 15:20:36 -0700200}
201
Bartlomiej Zolnierkiewicz6ae8b1e2008-01-26 20:12:58 +0100202static int sl82c105_dma_end(ide_drive_t *drive)
Linus Torvalds1da177e2005-04-16 15:20:36 -0700203{
Bartlomiej Zolnierkiewicz36501652008-02-01 23:09:31 +0100204 struct pci_dev *dev = to_pci_dev(drive->hwif->dev);
Sergei Shtylyove93df702007-05-05 22:03:49 +0200205 int reg = 0x44 + drive->dn * 4;
Bartlomiej Zolnierkiewicz6ae8b1e2008-01-26 20:12:58 +0100206 int ret;
Linus Torvalds1da177e2005-04-16 15:20:36 -0700207
Harvey Harrisoneb639632008-04-26 22:25:20 +0200208 DBG(("%s(drive:%s)\n", __func__, drive->name));
Bartlomiej Zolnierkiewicz6ae8b1e2008-01-26 20:12:58 +0100209
Bartlomiej Zolnierkiewicz653bcf52008-10-13 21:39:46 +0200210 ret = ide_dma_end(drive);
Bartlomiej Zolnierkiewicz7469aaf2007-02-17 02:40:26 +0100211
Sergei Shtylyove93df702007-05-05 22:03:49 +0200212 pci_write_config_word(dev, reg, drive->drive_data);
213
Bartlomiej Zolnierkiewicz6ae8b1e2008-01-26 20:12:58 +0100214 return ret;
Linus Torvalds1da177e2005-04-16 15:20:36 -0700215}
216
217/*
Linus Torvalds1da177e2005-04-16 15:20:36 -0700218 * ATA reset will clear the 16 bits mode in the control
Bartlomiej Zolnierkiewicz08590552008-01-26 20:12:59 +0100219 * register, we need to reprogram it
Linus Torvalds1da177e2005-04-16 15:20:36 -0700220 */
221static void sl82c105_resetproc(ide_drive_t *drive)
222{
Bartlomiej Zolnierkiewicz36501652008-02-01 23:09:31 +0100223 struct pci_dev *dev = to_pci_dev(drive->hwif->dev);
Linus Torvalds1da177e2005-04-16 15:20:36 -0700224 u32 val;
225
226 DBG(("sl82c105_resetproc(drive:%s)\n", drive->name));
227
228 pci_read_config_dword(dev, 0x40, &val);
Bartlomiej Zolnierkiewicz08590552008-01-26 20:12:59 +0100229 val |= (CTRL_P1F16 | CTRL_P0F16);
230 pci_write_config_dword(dev, 0x40, val);
Linus Torvalds1da177e2005-04-16 15:20:36 -0700231}
Linus Torvalds1da177e2005-04-16 15:20:36 -0700232
233/*
234 * Return the revision of the Winbond bridge
235 * which this function is part of.
236 */
Bartlomiej Zolnierkiewicz6c610642008-04-26 22:25:23 +0200237static u8 sl82c105_bridge_revision(struct pci_dev *dev)
Linus Torvalds1da177e2005-04-16 15:20:36 -0700238{
239 struct pci_dev *bridge;
Linus Torvalds1da177e2005-04-16 15:20:36 -0700240
241 /*
242 * The bridge should be part of the same device, but function 0.
243 */
Alan Cox640b31b2007-05-16 00:51:46 +0200244 bridge = pci_get_bus_and_slot(dev->bus->number,
Linus Torvalds1da177e2005-04-16 15:20:36 -0700245 PCI_DEVFN(PCI_SLOT(dev->devfn), 0));
246 if (!bridge)
247 return -1;
248
249 /*
250 * Make sure it is a Winbond 553 and is an ISA bridge.
251 */
252 if (bridge->vendor != PCI_VENDOR_ID_WINBOND ||
253 bridge->device != PCI_DEVICE_ID_WINBOND_83C553 ||
Alan Cox640b31b2007-05-16 00:51:46 +0200254 bridge->class >> 8 != PCI_CLASS_BRIDGE_ISA) {
255 pci_dev_put(bridge);
Linus Torvalds1da177e2005-04-16 15:20:36 -0700256 return -1;
Alan Cox640b31b2007-05-16 00:51:46 +0200257 }
Linus Torvalds1da177e2005-04-16 15:20:36 -0700258 /*
259 * We need to find function 0's revision, not function 1
260 */
Alan Cox640b31b2007-05-16 00:51:46 +0200261 pci_dev_put(bridge);
Linus Torvalds1da177e2005-04-16 15:20:36 -0700262
Auke Kok44c10132007-06-08 15:46:36 -0700263 return bridge->revision;
Linus Torvalds1da177e2005-04-16 15:20:36 -0700264}
265
266/*
267 * Enable the PCI device
268 *
269 * --BenH: It's arch fixup code that should enable channels that
270 * have not been enabled by firmware. I decided we can still enable
271 * channel 0 here at least, but channel 1 has to be enabled by
272 * firmware or arch code. We still set both to 16 bits mode.
273 */
Bartlomiej Zolnierkiewiczfeb22b72008-10-10 22:39:32 +0200274static unsigned int init_chipset_sl82c105(struct pci_dev *dev)
Linus Torvalds1da177e2005-04-16 15:20:36 -0700275{
276 u32 val;
277
278 DBG(("init_chipset_sl82c105()\n"));
279
280 pci_read_config_dword(dev, 0x40, &val);
281 val |= CTRL_P0EN | CTRL_P0F16 | CTRL_P1F16;
282 pci_write_config_dword(dev, 0x40, val);
283
284 return dev->irq;
285}
286
Bartlomiej Zolnierkiewiczac95bee2008-04-26 22:25:14 +0200287static const struct ide_port_ops sl82c105_port_ops = {
288 .set_pio_mode = sl82c105_set_pio_mode,
289 .set_dma_mode = sl82c105_set_dma_mode,
290 .resetproc = sl82c105_resetproc,
291};
292
Bartlomiej Zolnierkiewiczf37afda2008-04-26 22:25:24 +0200293static const struct ide_dma_ops sl82c105_dma_ops = {
294 .dma_host_set = ide_dma_host_set,
295 .dma_setup = ide_dma_setup,
296 .dma_exec_cmd = ide_dma_exec_cmd,
Bartlomiej Zolnierkiewicz5e37bdc2008-04-26 22:25:24 +0200297 .dma_start = sl82c105_dma_start,
298 .dma_end = sl82c105_dma_end,
Bartlomiej Zolnierkiewiczf37afda2008-04-26 22:25:24 +0200299 .dma_test_irq = ide_dma_test_irq,
Bartlomiej Zolnierkiewicz5e37bdc2008-04-26 22:25:24 +0200300 .dma_lost_irq = sl82c105_dma_lost_irq,
301 .dma_timeout = sl82c105_dma_timeout,
302};
303
Bartlomiej Zolnierkiewicz85620432007-10-20 00:32:34 +0200304static const struct ide_port_info sl82c105_chipset __devinitdata = {
Bartlomiej Zolnierkiewiczced3ec82008-07-24 22:53:32 +0200305 .name = DRV_NAME,
Linus Torvalds1da177e2005-04-16 15:20:36 -0700306 .init_chipset = init_chipset_sl82c105,
Linus Torvalds1da177e2005-04-16 15:20:36 -0700307 .enablebits = {{0x40,0x01,0x01}, {0x40,0x10,0x10}},
Bartlomiej Zolnierkiewiczac95bee2008-04-26 22:25:14 +0200308 .port_ops = &sl82c105_port_ops,
Bartlomiej Zolnierkiewicz5e37bdc2008-04-26 22:25:24 +0200309 .dma_ops = &sl82c105_dma_ops,
Bartlomiej Zolnierkiewiczcaea7602007-10-20 00:32:30 +0200310 .host_flags = IDE_HFLAG_IO_32BIT |
311 IDE_HFLAG_UNMASK_IRQS |
Bartlomiej Zolnierkiewicz5510b122008-04-18 00:46:29 +0200312/* FIXME: check for Compatibility mode in generic IDE PCI code */
Bartlomiej Zolnierkiewicz7ef8df82008-04-18 00:46:30 +0200313#if defined(CONFIG_LOPEC) || defined(CONFIG_SANDPOINT)
Bartlomiej Zolnierkiewicz5510b122008-04-18 00:46:29 +0200314 IDE_HFLAG_FORCE_LEGACY_IRQS |
315#endif
Bartlomiej Zolnierkiewicz1fd18902008-04-26 22:25:24 +0200316 IDE_HFLAG_SERIALIZE_DMA |
Bartlomiej Zolnierkiewicz5e71d9c2008-04-26 17:36:35 +0200317 IDE_HFLAG_NO_AUTODMA,
Bartlomiej Zolnierkiewicz4099d142007-07-20 01:11:59 +0200318 .pio_mask = ATA_PIO5,
Bartlomiej Zolnierkiewicz6c610642008-04-26 22:25:23 +0200319 .mwdma_mask = ATA_MWDMA2,
Linus Torvalds1da177e2005-04-16 15:20:36 -0700320};
321
322static int __devinit sl82c105_init_one(struct pci_dev *dev, const struct pci_device_id *id)
323{
Bartlomiej Zolnierkiewicz6c610642008-04-26 22:25:23 +0200324 struct ide_port_info d = sl82c105_chipset;
325 u8 rev = sl82c105_bridge_revision(dev);
326
327 if (rev <= 5) {
328 /*
329 * Never ever EVER under any circumstances enable
330 * DMA when the bridge is this old.
331 */
Bartlomiej Zolnierkiewiczced3ec82008-07-24 22:53:32 +0200332 printk(KERN_INFO DRV_NAME ": Winbond W83C553 bridge "
Bartlomiej Zolnierkiewicz6c610642008-04-26 22:25:23 +0200333 "revision %d, BM-DMA disabled\n", rev);
Bartlomiej Zolnierkiewicz5e37bdc2008-04-26 22:25:24 +0200334 d.dma_ops = NULL;
Bartlomiej Zolnierkiewicz6c610642008-04-26 22:25:23 +0200335 d.mwdma_mask = 0;
Bartlomiej Zolnierkiewicz1fd18902008-04-26 22:25:24 +0200336 d.host_flags &= ~IDE_HFLAG_SERIALIZE_DMA;
Bartlomiej Zolnierkiewicz6c610642008-04-26 22:25:23 +0200337 }
338
Bartlomiej Zolnierkiewicz6cdf6eb2008-07-24 22:53:14 +0200339 return ide_pci_init_one(dev, &d, NULL);
Linus Torvalds1da177e2005-04-16 15:20:36 -0700340}
341
Bartlomiej Zolnierkiewicz9cbcc5e2007-10-16 22:29:56 +0200342static const struct pci_device_id sl82c105_pci_tbl[] = {
343 { PCI_VDEVICE(WINBOND, PCI_DEVICE_ID_WINBOND_82C105), 0 },
Linus Torvalds1da177e2005-04-16 15:20:36 -0700344 { 0, },
345};
346MODULE_DEVICE_TABLE(pci, sl82c105_pci_tbl);
347
Bartlomiej Zolnierkiewicza9ab09e2008-10-13 21:39:41 +0200348static struct pci_driver sl82c105_pci_driver = {
Linus Torvalds1da177e2005-04-16 15:20:36 -0700349 .name = "W82C105_IDE",
350 .id_table = sl82c105_pci_tbl,
351 .probe = sl82c105_init_one,
Bartlomiej Zolnierkiewicz6ce719982008-07-24 22:53:25 +0200352 .remove = ide_pci_remove,
Bartlomiej Zolnierkiewiczfeb22b72008-10-10 22:39:32 +0200353 .suspend = ide_pci_suspend,
354 .resume = ide_pci_resume,
Linus Torvalds1da177e2005-04-16 15:20:36 -0700355};
356
Bartlomiej Zolnierkiewicz82ab1ee2007-01-27 13:46:56 +0100357static int __init sl82c105_ide_init(void)
Linus Torvalds1da177e2005-04-16 15:20:36 -0700358{
Bartlomiej Zolnierkiewicza9ab09e2008-10-13 21:39:41 +0200359 return ide_pci_register_driver(&sl82c105_pci_driver);
Linus Torvalds1da177e2005-04-16 15:20:36 -0700360}
361
Bartlomiej Zolnierkiewicz6ce719982008-07-24 22:53:25 +0200362static void __exit sl82c105_ide_exit(void)
363{
Bartlomiej Zolnierkiewicza9ab09e2008-10-13 21:39:41 +0200364 pci_unregister_driver(&sl82c105_pci_driver);
Bartlomiej Zolnierkiewicz6ce719982008-07-24 22:53:25 +0200365}
366
Linus Torvalds1da177e2005-04-16 15:20:36 -0700367module_init(sl82c105_ide_init);
Bartlomiej Zolnierkiewicz6ce719982008-07-24 22:53:25 +0200368module_exit(sl82c105_ide_exit);
Linus Torvalds1da177e2005-04-16 15:20:36 -0700369
370MODULE_DESCRIPTION("PCI driver module for W82C105 IDE");
371MODULE_LICENSE("GPL");