]>
Commit | Line | Data |
---|---|---|
d15d6e6c JJIL |
1 | /* |
2 | * pata_atp867x.c - ARTOP 867X 64bit 4-channel UDMA133 ATA controller driver | |
3 | * | |
4 | * (C) 2009 Google Inc. John(Jung-Ik) Lee <jilee@google.com> | |
5 | * | |
6 | * Per Atp867 data sheet rev 1.2, Acard. | |
7 | * Based in part on early ide code from | |
8 | * 2003-2004 by Eric Uhrhane, Google, Inc. | |
9 | * | |
10 | * This program is free software; you can redistribute it and/or modify | |
11 | * it under the terms of the GNU General Public License as published by | |
12 | * the Free Software Foundation; either version 2 of the License, or | |
13 | * (at your option) any later version. | |
14 | * | |
15 | * This program is distributed in the hope that it will be useful, | |
16 | * but WITHOUT ANY WARRANTY; without even the implied warranty of | |
17 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
18 | * GNU General Public License for more details. | |
19 | * | |
20 | * You should have received a copy of the GNU General Public License | |
21 | * along with this program; if not, write to the Free Software | |
22 | * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA | |
23 | * | |
24 | * | |
25 | * TODO: | |
26 | * 1. RAID features [comparison, XOR, striping, mirroring, etc.] | |
27 | */ | |
28 | ||
29 | #include <linux/kernel.h> | |
30 | #include <linux/module.h> | |
31 | #include <linux/pci.h> | |
32 | #include <linux/init.h> | |
33 | #include <linux/blkdev.h> | |
34 | #include <linux/delay.h> | |
35 | #include <linux/device.h> | |
36 | #include <scsi/scsi_host.h> | |
37 | #include <linux/libata.h> | |
38 | ||
39 | #define DRV_NAME "pata_atp867x" | |
40 | #define DRV_VERSION "0.7.5" | |
41 | ||
42 | /* | |
43 | * IO Registers | |
44 | * Note that all runtime hot priv ports are cached in ap private_data | |
45 | */ | |
46 | ||
47 | enum { | |
48 | ATP867X_IO_CHANNEL_OFFSET = 0x10, | |
49 | ||
50 | /* | |
51 | * IO Register Bitfields | |
52 | */ | |
53 | ||
54 | ATP867X_IO_PIOSPD_ACTIVE_SHIFT = 4, | |
55 | ATP867X_IO_PIOSPD_RECOVER_SHIFT = 0, | |
56 | ||
57 | ATP867X_IO_DMAMODE_MSTR_SHIFT = 0, | |
58 | ATP867X_IO_DMAMODE_MSTR_MASK = 0x07, | |
59 | ATP867X_IO_DMAMODE_SLAVE_SHIFT = 4, | |
60 | ATP867X_IO_DMAMODE_SLAVE_MASK = 0x70, | |
61 | ||
62 | ATP867X_IO_DMAMODE_UDMA_6 = 0x07, | |
63 | ATP867X_IO_DMAMODE_UDMA_5 = 0x06, | |
64 | ATP867X_IO_DMAMODE_UDMA_4 = 0x05, | |
65 | ATP867X_IO_DMAMODE_UDMA_3 = 0x04, | |
66 | ATP867X_IO_DMAMODE_UDMA_2 = 0x03, | |
67 | ATP867X_IO_DMAMODE_UDMA_1 = 0x02, | |
68 | ATP867X_IO_DMAMODE_UDMA_0 = 0x01, | |
69 | ATP867X_IO_DMAMODE_DISABLE = 0x00, | |
70 | ||
71 | ATP867X_IO_SYS_INFO_66MHZ = 0x04, | |
72 | ATP867X_IO_SYS_INFO_SLOW_UDMA5 = 0x02, | |
73 | ATP867X_IO_SYS_MASK_RESERVED = (~0xf1), | |
74 | ||
75 | ATP867X_IO_PORTSPD_VAL = 0x1143, | |
76 | ATP867X_PREREAD_VAL = 0x0200, | |
77 | ||
78 | ATP867X_NUM_PORTS = 4, | |
79 | ATP867X_BAR_IOBASE = 0, | |
80 | ATP867X_BAR_ROMBASE = 6, | |
81 | }; | |
82 | ||
83 | #define ATP867X_IOBASE(ap) ((ap)->host->iomap[0]) | |
84 | #define ATP867X_SYS_INFO(ap) (0x3F + ATP867X_IOBASE(ap)) | |
85 | ||
86 | #define ATP867X_IO_PORTBASE(ap, port) (0x00 + ATP867X_IOBASE(ap) + \ | |
87 | (port) * ATP867X_IO_CHANNEL_OFFSET) | |
88 | #define ATP867X_IO_DMABASE(ap, port) (0x40 + \ | |
89 | ATP867X_IO_PORTBASE((ap), (port))) | |
90 | ||
91 | #define ATP867X_IO_STATUS(ap, port) (0x07 + \ | |
92 | ATP867X_IO_PORTBASE((ap), (port))) | |
93 | #define ATP867X_IO_ALTSTATUS(ap, port) (0x0E + \ | |
94 | ATP867X_IO_PORTBASE((ap), (port))) | |
95 | ||
96 | /* | |
97 | * hot priv ports | |
98 | */ | |
99 | #define ATP867X_IO_MSTRPIOSPD(ap, port) (0x08 + \ | |
100 | ATP867X_IO_DMABASE((ap), (port))) | |
101 | #define ATP867X_IO_SLAVPIOSPD(ap, port) (0x09 + \ | |
102 | ATP867X_IO_DMABASE((ap), (port))) | |
103 | #define ATP867X_IO_8BPIOSPD(ap, port) (0x0A + \ | |
104 | ATP867X_IO_DMABASE((ap), (port))) | |
105 | #define ATP867X_IO_DMAMODE(ap, port) (0x0B + \ | |
106 | ATP867X_IO_DMABASE((ap), (port))) | |
107 | ||
108 | #define ATP867X_IO_PORTSPD(ap, port) (0x4A + \ | |
109 | ATP867X_IO_PORTBASE((ap), (port))) | |
110 | #define ATP867X_IO_PREREAD(ap, port) (0x4C + \ | |
111 | ATP867X_IO_PORTBASE((ap), (port))) | |
112 | ||
113 | struct atp867x_priv { | |
114 | void __iomem *dma_mode; | |
115 | void __iomem *mstr_piospd; | |
116 | void __iomem *slave_piospd; | |
117 | void __iomem *eightb_piospd; | |
118 | int pci66mhz; | |
119 | }; | |
120 | ||
121 | static inline u8 atp867x_speed_to_mode(u8 speed) | |
122 | { | |
123 | return speed - XFER_UDMA_0 + 1; | |
124 | } | |
125 | ||
126 | static void atp867x_set_dmamode(struct ata_port *ap, struct ata_device *adev) | |
127 | { | |
128 | struct pci_dev *pdev = to_pci_dev(ap->host->dev); | |
129 | struct atp867x_priv *dp = ap->private_data; | |
130 | u8 speed = adev->dma_mode; | |
131 | u8 b; | |
132 | u8 mode; | |
133 | ||
134 | mode = atp867x_speed_to_mode(speed); | |
135 | ||
136 | /* | |
137 | * Doc 6.6.9: decrease the udma mode value by 1 for safer UDMA speed | |
138 | * on 66MHz bus | |
139 | * rev-A: UDMA_1~4 (5, 6 no change) | |
140 | * rev-B: all UDMA modes | |
141 | * UDMA_0 stays not to disable UDMA | |
142 | */ | |
143 | if (dp->pci66mhz && mode > ATP867X_IO_DMAMODE_UDMA_0 && | |
144 | (pdev->device == PCI_DEVICE_ID_ARTOP_ATP867B || | |
145 | mode < ATP867X_IO_DMAMODE_UDMA_5)) | |
146 | mode--; | |
147 | ||
148 | b = ioread8(dp->dma_mode); | |
149 | if (adev->devno & 1) { | |
150 | b = (b & ~ATP867X_IO_DMAMODE_SLAVE_MASK) | | |
151 | (mode << ATP867X_IO_DMAMODE_SLAVE_SHIFT); | |
152 | } else { | |
153 | b = (b & ~ATP867X_IO_DMAMODE_MSTR_MASK) | | |
154 | (mode << ATP867X_IO_DMAMODE_MSTR_SHIFT); | |
155 | } | |
156 | iowrite8(b, dp->dma_mode); | |
157 | } | |
158 | ||
159 | static int atp867x_get_active_clocks_shifted(unsigned int clk) | |
160 | { | |
161 | unsigned char clocks = clk; | |
162 | ||
163 | switch (clocks) { | |
164 | case 0: | |
165 | clocks = 1; | |
166 | break; | |
167 | case 1 ... 7: | |
168 | break; | |
169 | case 8 ... 12: | |
170 | clocks = 7; | |
171 | break; | |
172 | default: | |
173 | printk(KERN_WARNING "ATP867X: active %dclk is invalid. " | |
174 | "Using default 8clk.\n", clk); | |
175 | clocks = 0; /* 8 clk */ | |
176 | break; | |
177 | } | |
178 | return clocks << ATP867X_IO_PIOSPD_ACTIVE_SHIFT; | |
179 | } | |
180 | ||
181 | static int atp867x_get_recover_clocks_shifted(unsigned int clk) | |
182 | { | |
183 | unsigned char clocks = clk; | |
184 | ||
185 | switch (clocks) { | |
186 | case 0: | |
187 | clocks = 1; | |
188 | break; | |
189 | case 1 ... 11: | |
190 | break; | |
191 | case 12: | |
192 | clocks = 0; | |
193 | break; | |
194 | case 13: case 14: | |
195 | --clocks; | |
196 | break; | |
197 | case 15: | |
198 | break; | |
199 | default: | |
200 | printk(KERN_WARNING "ATP867X: recover %dclk is invalid. " | |
201 | "Using default 15clk.\n", clk); | |
202 | clocks = 0; /* 12 clk */ | |
203 | break; | |
204 | } | |
205 | return clocks << ATP867X_IO_PIOSPD_RECOVER_SHIFT; | |
206 | } | |
207 | ||
208 | static void atp867x_set_piomode(struct ata_port *ap, struct ata_device *adev) | |
209 | { | |
210 | struct ata_device *peer = ata_dev_pair(adev); | |
211 | struct atp867x_priv *dp = ap->private_data; | |
212 | u8 speed = adev->pio_mode; | |
213 | struct ata_timing t, p; | |
214 | int T, UT; | |
215 | u8 b; | |
216 | ||
217 | T = 1000000000 / 33333; | |
218 | UT = T / 4; | |
219 | ||
220 | ata_timing_compute(adev, speed, &t, T, UT); | |
221 | if (peer && peer->pio_mode) { | |
222 | ata_timing_compute(peer, peer->pio_mode, &p, T, UT); | |
223 | ata_timing_merge(&p, &t, &t, ATA_TIMING_8BIT); | |
224 | } | |
225 | ||
226 | b = ioread8(dp->dma_mode); | |
227 | if (adev->devno & 1) | |
228 | b = (b & ~ATP867X_IO_DMAMODE_SLAVE_MASK); | |
229 | else | |
230 | b = (b & ~ATP867X_IO_DMAMODE_MSTR_MASK); | |
231 | iowrite8(b, dp->dma_mode); | |
232 | ||
233 | b = atp867x_get_active_clocks_shifted(t.active) | | |
234 | atp867x_get_recover_clocks_shifted(t.recover); | |
235 | if (dp->pci66mhz) | |
236 | b += 0x10; | |
237 | ||
238 | if (adev->devno & 1) | |
239 | iowrite8(b, dp->slave_piospd); | |
240 | else | |
241 | iowrite8(b, dp->mstr_piospd); | |
242 | ||
243 | /* | |
244 | * use the same value for comand timing as for PIO timimg | |
245 | */ | |
246 | iowrite8(b, dp->eightb_piospd); | |
247 | } | |
248 | ||
249 | static int atp867x_cable_detect(struct ata_port *ap) | |
250 | { | |
251 | return ATA_CBL_PATA40_SHORT; | |
252 | } | |
253 | ||
254 | static struct scsi_host_template atp867x_sht = { | |
255 | ATA_BMDMA_SHT(DRV_NAME), | |
256 | }; | |
257 | ||
258 | static struct ata_port_operations atp867x_ops = { | |
259 | .inherits = &ata_bmdma_port_ops, | |
260 | .cable_detect = atp867x_cable_detect, | |
261 | .set_piomode = atp867x_set_piomode, | |
262 | .set_dmamode = atp867x_set_dmamode, | |
263 | }; | |
264 | ||
265 | ||
266 | #ifdef ATP867X_DEBUG | |
267 | static void atp867x_check_res(struct pci_dev *pdev) | |
268 | { | |
269 | int i; | |
270 | unsigned long start, len; | |
271 | ||
272 | /* Check the PCI resources for this channel are enabled */ | |
273 | for (i = 0; i < DEVICE_COUNT_RESOURCE; i++) { | |
274 | start = pci_resource_start(pdev, i); | |
275 | len = pci_resource_len(pdev, i); | |
276 | printk(KERN_DEBUG "ATP867X: resource start:len=%lx:%lx\n", | |
277 | start, len); | |
278 | } | |
279 | } | |
280 | ||
281 | static void atp867x_check_ports(struct ata_port *ap, int port) | |
282 | { | |
283 | struct ata_ioports *ioaddr = &ap->ioaddr; | |
284 | struct atp867x_priv *dp = ap->private_data; | |
285 | ||
286 | printk(KERN_DEBUG "ATP867X: port[%d] addresses\n" | |
287 | " cmd_addr =0x%llx, 0x%llx\n" | |
288 | " ctl_addr =0x%llx, 0x%llx\n" | |
289 | " bmdma_addr =0x%llx, 0x%llx\n" | |
290 | " data_addr =0x%llx\n" | |
291 | " error_addr =0x%llx\n" | |
292 | " feature_addr =0x%llx\n" | |
293 | " nsect_addr =0x%llx\n" | |
294 | " lbal_addr =0x%llx\n" | |
295 | " lbam_addr =0x%llx\n" | |
296 | " lbah_addr =0x%llx\n" | |
297 | " device_addr =0x%llx\n" | |
298 | " status_addr =0x%llx\n" | |
299 | " command_addr =0x%llx\n" | |
300 | " dp->dma_mode =0x%llx\n" | |
301 | " dp->mstr_piospd =0x%llx\n" | |
302 | " dp->slave_piospd =0x%llx\n" | |
303 | " dp->eightb_piospd =0x%llx\n" | |
304 | " dp->pci66mhz =0x%lx\n", | |
305 | port, | |
306 | (unsigned long long)ioaddr->cmd_addr, | |
307 | (unsigned long long)ATP867X_IO_PORTBASE(ap, port), | |
308 | (unsigned long long)ioaddr->ctl_addr, | |
309 | (unsigned long long)ATP867X_IO_ALTSTATUS(ap, port), | |
310 | (unsigned long long)ioaddr->bmdma_addr, | |
311 | (unsigned long long)ATP867X_IO_DMABASE(ap, port), | |
312 | (unsigned long long)ioaddr->data_addr, | |
313 | (unsigned long long)ioaddr->error_addr, | |
314 | (unsigned long long)ioaddr->feature_addr, | |
315 | (unsigned long long)ioaddr->nsect_addr, | |
316 | (unsigned long long)ioaddr->lbal_addr, | |
317 | (unsigned long long)ioaddr->lbam_addr, | |
318 | (unsigned long long)ioaddr->lbah_addr, | |
319 | (unsigned long long)ioaddr->device_addr, | |
320 | (unsigned long long)ioaddr->status_addr, | |
321 | (unsigned long long)ioaddr->command_addr, | |
322 | (unsigned long long)dp->dma_mode, | |
323 | (unsigned long long)dp->mstr_piospd, | |
324 | (unsigned long long)dp->slave_piospd, | |
325 | (unsigned long long)dp->eightb_piospd, | |
326 | (unsigned long)dp->pci66mhz); | |
327 | } | |
328 | #endif | |
329 | ||
330 | static int atp867x_set_priv(struct ata_port *ap) | |
331 | { | |
332 | struct pci_dev *pdev = to_pci_dev(ap->host->dev); | |
333 | struct atp867x_priv *dp; | |
334 | int port = ap->port_no; | |
335 | ||
336 | dp = ap->private_data = | |
337 | devm_kzalloc(&pdev->dev, sizeof(*dp), GFP_KERNEL); | |
338 | if (dp == NULL) | |
339 | return -ENOMEM; | |
340 | ||
341 | dp->dma_mode = ATP867X_IO_DMAMODE(ap, port); | |
342 | dp->mstr_piospd = ATP867X_IO_MSTRPIOSPD(ap, port); | |
343 | dp->slave_piospd = ATP867X_IO_SLAVPIOSPD(ap, port); | |
344 | dp->eightb_piospd = ATP867X_IO_8BPIOSPD(ap, port); | |
345 | ||
346 | dp->pci66mhz = | |
347 | ioread8(ATP867X_SYS_INFO(ap)) & ATP867X_IO_SYS_INFO_66MHZ; | |
348 | ||
349 | return 0; | |
350 | } | |
351 | ||
352 | static void atp867x_fixup(struct ata_host *host) | |
353 | { | |
354 | struct pci_dev *pdev = to_pci_dev(host->dev); | |
355 | struct ata_port *ap = host->ports[0]; | |
356 | int i; | |
357 | u8 v; | |
358 | ||
359 | /* | |
360 | * Broken BIOS might not set latency high enough | |
361 | */ | |
362 | pci_read_config_byte(pdev, PCI_LATENCY_TIMER, &v); | |
363 | if (v < 0x80) { | |
364 | v = 0x80; | |
365 | pci_write_config_byte(pdev, PCI_LATENCY_TIMER, v); | |
366 | printk(KERN_DEBUG "ATP867X: set latency timer of device %s" | |
367 | " to %d\n", pci_name(pdev), v); | |
368 | } | |
369 | ||
370 | /* | |
371 | * init 8bit io ports speed(0aaarrrr) to 43h and | |
372 | * init udma modes of master/slave to 0/0(11h) | |
373 | */ | |
374 | for (i = 0; i < ATP867X_NUM_PORTS; i++) | |
375 | iowrite16(ATP867X_IO_PORTSPD_VAL, ATP867X_IO_PORTSPD(ap, i)); | |
376 | ||
377 | /* | |
378 | * init PreREAD counts | |
379 | */ | |
380 | for (i = 0; i < ATP867X_NUM_PORTS; i++) | |
381 | iowrite16(ATP867X_PREREAD_VAL, ATP867X_IO_PREREAD(ap, i)); | |
382 | ||
383 | v = ioread8(ATP867X_IOBASE(ap) + 0x28); | |
384 | v &= 0xcf; /* Enable INTA#: bit4=0 means enable */ | |
385 | v |= 0xc0; /* Enable PCI burst, MRM & not immediate interrupts */ | |
386 | iowrite8(v, ATP867X_IOBASE(ap) + 0x28); | |
387 | ||
388 | /* | |
389 | * Turn off the over clocked udma5 mode, only for Rev-B | |
390 | */ | |
391 | v = ioread8(ATP867X_SYS_INFO(ap)); | |
392 | v &= ATP867X_IO_SYS_MASK_RESERVED; | |
393 | if (pdev->device == PCI_DEVICE_ID_ARTOP_ATP867B) | |
394 | v |= ATP867X_IO_SYS_INFO_SLOW_UDMA5; | |
395 | iowrite8(v, ATP867X_SYS_INFO(ap)); | |
396 | } | |
397 | ||
398 | static int atp867x_ata_pci_sff_init_host(struct ata_host *host) | |
399 | { | |
400 | struct device *gdev = host->dev; | |
401 | struct pci_dev *pdev = to_pci_dev(gdev); | |
402 | unsigned int mask = 0; | |
403 | int i, rc; | |
404 | ||
405 | /* | |
406 | * do not map rombase | |
407 | */ | |
408 | rc = pcim_iomap_regions(pdev, 1 << ATP867X_BAR_IOBASE, DRV_NAME); | |
409 | if (rc == -EBUSY) | |
410 | pcim_pin_device(pdev); | |
411 | if (rc) | |
412 | return rc; | |
413 | host->iomap = pcim_iomap_table(pdev); | |
414 | ||
415 | #ifdef ATP867X_DEBUG | |
416 | atp867x_check_res(pdev); | |
417 | ||
418 | for (i = 0; i < PCI_ROM_RESOURCE; i++) | |
419 | printk(KERN_DEBUG "ATP867X: iomap[%d]=0x%llx\n", i, | |
420 | (unsigned long long)(host->iomap[i])); | |
421 | #endif | |
422 | ||
423 | /* | |
424 | * request, iomap BARs and init port addresses accordingly | |
425 | */ | |
426 | for (i = 0; i < host->n_ports; i++) { | |
427 | struct ata_port *ap = host->ports[i]; | |
428 | struct ata_ioports *ioaddr = &ap->ioaddr; | |
429 | ||
430 | ioaddr->cmd_addr = ATP867X_IO_PORTBASE(ap, i); | |
431 | ioaddr->ctl_addr = ioaddr->altstatus_addr | |
432 | = ATP867X_IO_ALTSTATUS(ap, i); | |
433 | ioaddr->bmdma_addr = ATP867X_IO_DMABASE(ap, i); | |
434 | ||
435 | ata_sff_std_ports(ioaddr); | |
436 | rc = atp867x_set_priv(ap); | |
437 | if (rc) | |
438 | return rc; | |
439 | ||
440 | #ifdef ATP867X_DEBUG | |
441 | atp867x_check_ports(ap, i); | |
442 | #endif | |
443 | ata_port_desc(ap, "cmd 0x%lx ctl 0x%lx", | |
444 | (unsigned long)ioaddr->cmd_addr, | |
445 | (unsigned long)ioaddr->ctl_addr); | |
446 | ata_port_desc(ap, "bmdma 0x%lx", | |
447 | (unsigned long)ioaddr->bmdma_addr); | |
448 | ||
449 | mask |= 1 << i; | |
450 | } | |
451 | ||
452 | if (!mask) { | |
453 | dev_printk(KERN_ERR, gdev, "no available native port\n"); | |
454 | return -ENODEV; | |
455 | } | |
456 | ||
457 | atp867x_fixup(host); | |
458 | ||
459 | rc = pci_set_dma_mask(pdev, ATA_DMA_MASK); | |
460 | if (rc) | |
461 | return rc; | |
462 | ||
463 | rc = pci_set_consistent_dma_mask(pdev, ATA_DMA_MASK); | |
464 | return rc; | |
465 | } | |
466 | ||
467 | static int atp867x_init_one(struct pci_dev *pdev, | |
468 | const struct pci_device_id *id) | |
469 | { | |
470 | static int printed_version; | |
471 | static const struct ata_port_info info_867x = { | |
472 | .flags = ATA_FLAG_SLAVE_POSS, | |
473 | .pio_mask = ATA_PIO4, | |
474 | .mwdma_mask = ATA_MWDMA2, | |
475 | .udma_mask = ATA_UDMA6, | |
476 | .port_ops = &atp867x_ops, | |
477 | }; | |
478 | ||
479 | struct ata_host *host; | |
480 | const struct ata_port_info *ppi[] = { &info_867x, NULL }; | |
481 | int rc; | |
482 | ||
483 | if (!printed_version++) | |
484 | dev_printk(KERN_INFO, &pdev->dev, "version " DRV_VERSION "\n"); | |
485 | ||
486 | rc = pcim_enable_device(pdev); | |
487 | if (rc) | |
488 | return rc; | |
489 | ||
490 | printk(KERN_INFO "ATP867X: ATP867 ATA UDMA133 controller (rev %02X)", | |
491 | pdev->device); | |
492 | ||
493 | host = ata_host_alloc_pinfo(&pdev->dev, ppi, ATP867X_NUM_PORTS); | |
494 | if (!host) { | |
495 | dev_printk(KERN_ERR, &pdev->dev, | |
496 | "failed to allocate ATA host\n"); | |
497 | rc = -ENOMEM; | |
498 | goto err_out; | |
499 | } | |
500 | ||
501 | rc = atp867x_ata_pci_sff_init_host(host); | |
502 | if (rc) { | |
503 | dev_printk(KERN_ERR, &pdev->dev, "failed to init host\n"); | |
504 | goto err_out; | |
505 | } | |
506 | ||
507 | pci_set_master(pdev); | |
508 | ||
509 | rc = ata_host_activate(host, pdev->irq, ata_sff_interrupt, | |
510 | IRQF_SHARED, &atp867x_sht); | |
511 | if (rc) | |
512 | dev_printk(KERN_ERR, &pdev->dev, "failed to activate host\n"); | |
513 | ||
514 | err_out: | |
515 | return rc; | |
516 | } | |
517 | ||
518 | static struct pci_device_id atp867x_pci_tbl[] = { | |
519 | { PCI_VDEVICE(ARTOP, PCI_DEVICE_ID_ARTOP_ATP867A), 0 }, | |
520 | { PCI_VDEVICE(ARTOP, PCI_DEVICE_ID_ARTOP_ATP867B), 0 }, | |
521 | { }, | |
522 | }; | |
523 | ||
524 | static struct pci_driver atp867x_driver = { | |
525 | .name = DRV_NAME, | |
526 | .id_table = atp867x_pci_tbl, | |
527 | .probe = atp867x_init_one, | |
528 | .remove = ata_pci_remove_one, | |
529 | }; | |
530 | ||
531 | static int __init atp867x_init(void) | |
532 | { | |
533 | return pci_register_driver(&atp867x_driver); | |
534 | } | |
535 | ||
536 | static void __exit atp867x_exit(void) | |
537 | { | |
538 | pci_unregister_driver(&atp867x_driver); | |
539 | } | |
540 | ||
541 | MODULE_AUTHOR("John(Jung-Ik) Lee, Google Inc."); | |
542 | MODULE_DESCRIPTION("low level driver for Artop/Acard 867x ATA controller"); | |
543 | MODULE_LICENSE("GPL"); | |
544 | MODULE_DEVICE_TABLE(pci, atp867x_pci_tbl); | |
545 | MODULE_VERSION(DRV_VERSION); | |
546 | ||
547 | module_init(atp867x_init); | |
548 | module_exit(atp867x_exit); |