1 | // SPDX-License-Identifier: GPL-2.0-or-later |
2 | /* |
3 | * pata_atp867x.c - ARTOP 867X 64bit 4-channel UDMA133 ATA controller driver |
4 | * |
5 | * (C) 2009 Google Inc. John(Jung-Ik) Lee <jilee@google.com> |
6 | * |
7 | * Per Atp867 data sheet rev 1.2, Acard. |
8 | * Based in part on early ide code from |
9 | * 2003-2004 by Eric Uhrhane, Google, Inc. |
10 | * |
11 | * TODO: |
12 | * 1. RAID features [comparison, XOR, striping, mirroring, etc.] |
13 | */ |
14 | |
15 | #include <linux/kernel.h> |
16 | #include <linux/module.h> |
17 | #include <linux/pci.h> |
18 | #include <linux/blkdev.h> |
19 | #include <linux/delay.h> |
20 | #include <linux/device.h> |
21 | #include <linux/gfp.h> |
22 | #include <scsi/scsi_host.h> |
23 | #include <linux/libata.h> |
24 | |
25 | #define DRV_NAME "pata_atp867x" |
26 | #define DRV_VERSION "0.7.5" |
27 | |
28 | /* |
29 | * IO Registers |
30 | * Note that all runtime hot priv ports are cached in ap private_data |
31 | */ |
32 | |
33 | enum { |
34 | ATP867X_IO_CHANNEL_OFFSET = 0x10, |
35 | |
36 | /* |
37 | * IO Register Bitfields |
38 | */ |
39 | |
40 | ATP867X_IO_PIOSPD_ACTIVE_SHIFT = 4, |
41 | ATP867X_IO_PIOSPD_RECOVER_SHIFT = 0, |
42 | |
43 | ATP867X_IO_DMAMODE_MSTR_SHIFT = 0, |
44 | ATP867X_IO_DMAMODE_MSTR_MASK = 0x07, |
45 | ATP867X_IO_DMAMODE_SLAVE_SHIFT = 4, |
46 | ATP867X_IO_DMAMODE_SLAVE_MASK = 0x70, |
47 | |
48 | ATP867X_IO_DMAMODE_UDMA_6 = 0x07, |
49 | ATP867X_IO_DMAMODE_UDMA_5 = 0x06, |
50 | ATP867X_IO_DMAMODE_UDMA_4 = 0x05, |
51 | ATP867X_IO_DMAMODE_UDMA_3 = 0x04, |
52 | ATP867X_IO_DMAMODE_UDMA_2 = 0x03, |
53 | ATP867X_IO_DMAMODE_UDMA_1 = 0x02, |
54 | ATP867X_IO_DMAMODE_UDMA_0 = 0x01, |
55 | ATP867X_IO_DMAMODE_DISABLE = 0x00, |
56 | |
57 | ATP867X_IO_SYS_INFO_66MHZ = 0x04, |
58 | ATP867X_IO_SYS_INFO_SLOW_UDMA5 = 0x02, |
59 | ATP867X_IO_SYS_MASK_RESERVED = (~0xf1), |
60 | |
61 | ATP867X_IO_PORTSPD_VAL = 0x1143, |
62 | ATP867X_PREREAD_VAL = 0x0200, |
63 | |
64 | ATP867X_NUM_PORTS = 4, |
65 | ATP867X_BAR_IOBASE = 0, |
66 | ATP867X_BAR_ROMBASE = 6, |
67 | }; |
68 | |
69 | #define ATP867X_IOBASE(ap) ((ap)->host->iomap[0]) |
70 | #define ATP867X_SYS_INFO(ap) (0x3F + ATP867X_IOBASE(ap)) |
71 | |
72 | #define ATP867X_IO_PORTBASE(ap, port) (0x00 + ATP867X_IOBASE(ap) + \ |
73 | (port) * ATP867X_IO_CHANNEL_OFFSET) |
74 | #define ATP867X_IO_DMABASE(ap, port) (0x40 + \ |
75 | ATP867X_IO_PORTBASE((ap), (port))) |
76 | |
77 | #define ATP867X_IO_STATUS(ap, port) (0x07 + \ |
78 | ATP867X_IO_PORTBASE((ap), (port))) |
79 | #define ATP867X_IO_ALTSTATUS(ap, port) (0x0E + \ |
80 | ATP867X_IO_PORTBASE((ap), (port))) |
81 | |
82 | /* |
83 | * hot priv ports |
84 | */ |
85 | #define ATP867X_IO_MSTRPIOSPD(ap, port) (0x08 + \ |
86 | ATP867X_IO_DMABASE((ap), (port))) |
87 | #define ATP867X_IO_SLAVPIOSPD(ap, port) (0x09 + \ |
88 | ATP867X_IO_DMABASE((ap), (port))) |
89 | #define ATP867X_IO_8BPIOSPD(ap, port) (0x0A + \ |
90 | ATP867X_IO_DMABASE((ap), (port))) |
91 | #define ATP867X_IO_DMAMODE(ap, port) (0x0B + \ |
92 | ATP867X_IO_DMABASE((ap), (port))) |
93 | |
94 | #define ATP867X_IO_PORTSPD(ap, port) (0x4A + \ |
95 | ATP867X_IO_PORTBASE((ap), (port))) |
96 | #define ATP867X_IO_PREREAD(ap, port) (0x4C + \ |
97 | ATP867X_IO_PORTBASE((ap), (port))) |
98 | |
99 | struct atp867x_priv { |
100 | void __iomem *dma_mode; |
101 | void __iomem *mstr_piospd; |
102 | void __iomem *slave_piospd; |
103 | void __iomem *eightb_piospd; |
104 | int pci66mhz; |
105 | }; |
106 | |
107 | static void atp867x_set_dmamode(struct ata_port *ap, struct ata_device *adev) |
108 | { |
109 | struct pci_dev *pdev = to_pci_dev(ap->host->dev); |
110 | struct atp867x_priv *dp = ap->private_data; |
111 | u8 speed = adev->dma_mode; |
112 | u8 b; |
113 | u8 mode = speed - XFER_UDMA_0 + 1; |
114 | |
115 | /* |
116 | * Doc 6.6.9: decrease the udma mode value by 1 for safer UDMA speed |
117 | * on 66MHz bus |
118 | * rev-A: UDMA_1~4 (5, 6 no change) |
119 | * rev-B: all UDMA modes |
120 | * UDMA_0 stays not to disable UDMA |
121 | */ |
122 | if (dp->pci66mhz && mode > ATP867X_IO_DMAMODE_UDMA_0 && |
123 | (pdev->device == PCI_DEVICE_ID_ARTOP_ATP867B || |
124 | mode < ATP867X_IO_DMAMODE_UDMA_5)) |
125 | mode--; |
126 | |
127 | b = ioread8(dp->dma_mode); |
128 | if (adev->devno & 1) { |
129 | b = (b & ~ATP867X_IO_DMAMODE_SLAVE_MASK) | |
130 | (mode << ATP867X_IO_DMAMODE_SLAVE_SHIFT); |
131 | } else { |
132 | b = (b & ~ATP867X_IO_DMAMODE_MSTR_MASK) | |
133 | (mode << ATP867X_IO_DMAMODE_MSTR_SHIFT); |
134 | } |
135 | iowrite8(b, dp->dma_mode); |
136 | } |
137 | |
138 | static int atp867x_get_active_clocks_shifted(struct ata_port *ap, |
139 | unsigned int clk) |
140 | { |
141 | struct atp867x_priv *dp = ap->private_data; |
142 | unsigned char clocks = clk; |
143 | |
144 | /* |
145 | * Doc 6.6.9: increase the clock value by 1 for safer PIO speed |
146 | * on 66MHz bus |
147 | */ |
148 | if (dp->pci66mhz) |
149 | clocks++; |
150 | |
151 | switch (clocks) { |
152 | case 0: |
153 | clocks = 1; |
154 | break; |
155 | case 1 ... 6: |
156 | break; |
157 | default: |
158 | ata_port_warn(ap, "ATP867X: active %dclk is invalid. " |
159 | "Using 12clk.\n" , clk); |
160 | fallthrough; |
161 | case 9 ... 12: |
162 | clocks = 7; /* 12 clk */ |
163 | break; |
164 | case 7: |
165 | case 8: /* default 8 clk */ |
166 | clocks = 0; |
167 | goto active_clock_shift_done; |
168 | } |
169 | |
170 | active_clock_shift_done: |
171 | return clocks << ATP867X_IO_PIOSPD_ACTIVE_SHIFT; |
172 | } |
173 | |
174 | static int atp867x_get_recover_clocks_shifted(struct ata_port *ap, |
175 | unsigned int clk) |
176 | { |
177 | unsigned char clocks = clk; |
178 | |
179 | switch (clocks) { |
180 | case 0: |
181 | clocks = 1; |
182 | break; |
183 | case 1 ... 11: |
184 | break; |
185 | case 13: |
186 | case 14: |
187 | --clocks; /* by the spec */ |
188 | break; |
189 | case 15: |
190 | break; |
191 | default: |
192 | ata_port_warn(ap, "ATP867X: recover %dclk is invalid. " |
193 | "Using default 12clk.\n" , clk); |
194 | fallthrough; |
195 | case 12: /* default 12 clk */ |
196 | clocks = 0; |
197 | break; |
198 | } |
199 | |
200 | return clocks << ATP867X_IO_PIOSPD_RECOVER_SHIFT; |
201 | } |
202 | |
203 | static void atp867x_set_piomode(struct ata_port *ap, struct ata_device *adev) |
204 | { |
205 | struct ata_device *peer = ata_dev_pair(adev); |
206 | struct atp867x_priv *dp = ap->private_data; |
207 | u8 speed = adev->pio_mode; |
208 | struct ata_timing t, p; |
209 | int T, UT; |
210 | u8 b; |
211 | |
212 | T = 1000000000 / 33333; |
213 | UT = T / 4; |
214 | |
215 | ata_timing_compute(adev, speed, &t, T, UT); |
216 | if (peer && peer->pio_mode) { |
217 | ata_timing_compute(peer, peer->pio_mode, &p, T, UT); |
218 | ata_timing_merge(&p, &t, &t, ATA_TIMING_8BIT); |
219 | } |
220 | |
221 | b = ioread8(dp->dma_mode); |
222 | if (adev->devno & 1) |
223 | b = (b & ~ATP867X_IO_DMAMODE_SLAVE_MASK); |
224 | else |
225 | b = (b & ~ATP867X_IO_DMAMODE_MSTR_MASK); |
226 | iowrite8(b, dp->dma_mode); |
227 | |
228 | b = atp867x_get_active_clocks_shifted(ap, clk: t.active) | |
229 | atp867x_get_recover_clocks_shifted(ap, clk: t.recover); |
230 | |
231 | if (adev->devno & 1) |
232 | iowrite8(b, dp->slave_piospd); |
233 | else |
234 | iowrite8(b, dp->mstr_piospd); |
235 | |
236 | b = atp867x_get_active_clocks_shifted(ap, clk: t.act8b) | |
237 | atp867x_get_recover_clocks_shifted(ap, clk: t.rec8b); |
238 | |
239 | iowrite8(b, dp->eightb_piospd); |
240 | } |
241 | |
242 | static int atp867x_cable_override(struct pci_dev *pdev) |
243 | { |
244 | if (pdev->subsystem_vendor == PCI_VENDOR_ID_ARTOP && |
245 | (pdev->subsystem_device == PCI_DEVICE_ID_ARTOP_ATP867A || |
246 | pdev->subsystem_device == PCI_DEVICE_ID_ARTOP_ATP867B)) { |
247 | return 1; |
248 | } |
249 | return 0; |
250 | } |
251 | |
252 | static int atp867x_cable_detect(struct ata_port *ap) |
253 | { |
254 | struct pci_dev *pdev = to_pci_dev(ap->host->dev); |
255 | |
256 | if (atp867x_cable_override(pdev)) |
257 | return ATA_CBL_PATA40_SHORT; |
258 | |
259 | return ATA_CBL_PATA_UNK; |
260 | } |
261 | |
262 | static const struct scsi_host_template atp867x_sht = { |
263 | ATA_BMDMA_SHT(DRV_NAME), |
264 | }; |
265 | |
266 | static struct ata_port_operations atp867x_ops = { |
267 | .inherits = &ata_bmdma_port_ops, |
268 | .cable_detect = atp867x_cable_detect, |
269 | .set_piomode = atp867x_set_piomode, |
270 | .set_dmamode = atp867x_set_dmamode, |
271 | }; |
272 | |
273 | |
274 | static void atp867x_check_res(struct pci_dev *pdev) |
275 | { |
276 | int i; |
277 | unsigned long start, len; |
278 | |
279 | /* Check the PCI resources for this channel are enabled */ |
280 | for (i = 0; i < DEVICE_COUNT_RESOURCE; i++) { |
281 | start = pci_resource_start(pdev, i); |
282 | len = pci_resource_len(pdev, i); |
283 | dev_dbg(&pdev->dev, "ATP867X: resource start:len=%lx:%lx\n" , |
284 | start, len); |
285 | } |
286 | } |
287 | |
288 | static void atp867x_check_ports(struct ata_port *ap, int port) |
289 | { |
290 | struct ata_ioports *ioaddr = &ap->ioaddr; |
291 | struct atp867x_priv *dp = ap->private_data; |
292 | |
293 | ata_port_dbg(ap, "ATP867X: port[%d] addresses\n" |
294 | " cmd_addr =0x%lx, 0x%lx\n" |
295 | " ctl_addr =0x%lx, 0x%lx\n" |
296 | " bmdma_addr =0x%lx, 0x%lx\n" |
297 | " data_addr =0x%lx\n" |
298 | " error_addr =0x%lx\n" |
299 | " feature_addr =0x%lx\n" |
300 | " nsect_addr =0x%lx\n" |
301 | " lbal_addr =0x%lx\n" |
302 | " lbam_addr =0x%lx\n" |
303 | " lbah_addr =0x%lx\n" |
304 | " device_addr =0x%lx\n" |
305 | " status_addr =0x%lx\n" |
306 | " command_addr =0x%lx\n" |
307 | " dp->dma_mode =0x%lx\n" |
308 | " dp->mstr_piospd =0x%lx\n" |
309 | " dp->slave_piospd =0x%lx\n" |
310 | " dp->eightb_piospd =0x%lx\n" |
311 | " dp->pci66mhz =0x%lx\n" , |
312 | port, |
313 | (unsigned long)ioaddr->cmd_addr, |
314 | (unsigned long)ATP867X_IO_PORTBASE(ap, port), |
315 | (unsigned long)ioaddr->ctl_addr, |
316 | (unsigned long)ATP867X_IO_ALTSTATUS(ap, port), |
317 | (unsigned long)ioaddr->bmdma_addr, |
318 | (unsigned long)ATP867X_IO_DMABASE(ap, port), |
319 | (unsigned long)ioaddr->data_addr, |
320 | (unsigned long)ioaddr->error_addr, |
321 | (unsigned long)ioaddr->feature_addr, |
322 | (unsigned long)ioaddr->nsect_addr, |
323 | (unsigned long)ioaddr->lbal_addr, |
324 | (unsigned long)ioaddr->lbam_addr, |
325 | (unsigned long)ioaddr->lbah_addr, |
326 | (unsigned long)ioaddr->device_addr, |
327 | (unsigned long)ioaddr->status_addr, |
328 | (unsigned long)ioaddr->command_addr, |
329 | (unsigned long)dp->dma_mode, |
330 | (unsigned long)dp->mstr_piospd, |
331 | (unsigned long)dp->slave_piospd, |
332 | (unsigned long)dp->eightb_piospd, |
333 | (unsigned long)dp->pci66mhz); |
334 | } |
335 | |
336 | static int atp867x_set_priv(struct ata_port *ap) |
337 | { |
338 | struct pci_dev *pdev = to_pci_dev(ap->host->dev); |
339 | struct atp867x_priv *dp; |
340 | int port = ap->port_no; |
341 | |
342 | dp = ap->private_data = |
343 | devm_kzalloc(dev: &pdev->dev, size: sizeof(*dp), GFP_KERNEL); |
344 | if (dp == NULL) |
345 | return -ENOMEM; |
346 | |
347 | dp->dma_mode = ATP867X_IO_DMAMODE(ap, port); |
348 | dp->mstr_piospd = ATP867X_IO_MSTRPIOSPD(ap, port); |
349 | dp->slave_piospd = ATP867X_IO_SLAVPIOSPD(ap, port); |
350 | dp->eightb_piospd = ATP867X_IO_8BPIOSPD(ap, port); |
351 | |
352 | dp->pci66mhz = |
353 | ioread8(ATP867X_SYS_INFO(ap)) & ATP867X_IO_SYS_INFO_66MHZ; |
354 | |
355 | return 0; |
356 | } |
357 | |
358 | static void atp867x_fixup(struct ata_host *host) |
359 | { |
360 | struct pci_dev *pdev = to_pci_dev(host->dev); |
361 | struct ata_port *ap = host->ports[0]; |
362 | int i; |
363 | u8 v; |
364 | |
365 | /* |
366 | * Broken BIOS might not set latency high enough |
367 | */ |
368 | pci_read_config_byte(dev: pdev, PCI_LATENCY_TIMER, val: &v); |
369 | if (v < 0x80) { |
370 | v = 0x80; |
371 | pci_write_config_byte(dev: pdev, PCI_LATENCY_TIMER, val: v); |
372 | dev_dbg(&pdev->dev, "ATP867X: set latency timer to %d\n" , v); |
373 | } |
374 | |
375 | /* |
376 | * init 8bit io ports speed(0aaarrrr) to 43h and |
377 | * init udma modes of master/slave to 0/0(11h) |
378 | */ |
379 | for (i = 0; i < ATP867X_NUM_PORTS; i++) |
380 | iowrite16(ATP867X_IO_PORTSPD_VAL, ATP867X_IO_PORTSPD(ap, i)); |
381 | |
382 | /* |
383 | * init PreREAD counts |
384 | */ |
385 | for (i = 0; i < ATP867X_NUM_PORTS; i++) |
386 | iowrite16(ATP867X_PREREAD_VAL, ATP867X_IO_PREREAD(ap, i)); |
387 | |
388 | v = ioread8(ATP867X_IOBASE(ap) + 0x28); |
389 | v &= 0xcf; /* Enable INTA#: bit4=0 means enable */ |
390 | v |= 0xc0; /* Enable PCI burst, MRM & not immediate interrupts */ |
391 | iowrite8(v, ATP867X_IOBASE(ap) + 0x28); |
392 | |
393 | /* |
394 | * Turn off the over clocked udma5 mode, only for Rev-B |
395 | */ |
396 | v = ioread8(ATP867X_SYS_INFO(ap)); |
397 | v &= ATP867X_IO_SYS_MASK_RESERVED; |
398 | if (pdev->device == PCI_DEVICE_ID_ARTOP_ATP867B) |
399 | v |= ATP867X_IO_SYS_INFO_SLOW_UDMA5; |
400 | iowrite8(v, ATP867X_SYS_INFO(ap)); |
401 | } |
402 | |
403 | static int atp867x_ata_pci_sff_init_host(struct ata_host *host) |
404 | { |
405 | struct device *gdev = host->dev; |
406 | struct pci_dev *pdev = to_pci_dev(gdev); |
407 | unsigned int mask = 0; |
408 | int i, rc; |
409 | |
410 | /* |
411 | * do not map rombase |
412 | */ |
413 | rc = pcim_iomap_regions(pdev, mask: 1 << ATP867X_BAR_IOBASE, DRV_NAME); |
414 | if (rc == -EBUSY) |
415 | pcim_pin_device(pdev); |
416 | if (rc) |
417 | return rc; |
418 | host->iomap = pcim_iomap_table(pdev); |
419 | |
420 | atp867x_check_res(pdev); |
421 | |
422 | for (i = 0; i < PCI_STD_NUM_BARS; i++) |
423 | dev_dbg(gdev, "ATP867X: iomap[%d]=0x%p\n" , i, |
424 | host->iomap[i]); |
425 | |
426 | /* |
427 | * request, iomap BARs and init port addresses accordingly |
428 | */ |
429 | for (i = 0; i < host->n_ports; i++) { |
430 | struct ata_port *ap = host->ports[i]; |
431 | struct ata_ioports *ioaddr = &ap->ioaddr; |
432 | |
433 | ioaddr->cmd_addr = ATP867X_IO_PORTBASE(ap, i); |
434 | ioaddr->ctl_addr = ioaddr->altstatus_addr |
435 | = ATP867X_IO_ALTSTATUS(ap, i); |
436 | ioaddr->bmdma_addr = ATP867X_IO_DMABASE(ap, i); |
437 | |
438 | ata_sff_std_ports(ioaddr); |
439 | rc = atp867x_set_priv(ap); |
440 | if (rc) |
441 | return rc; |
442 | |
443 | atp867x_check_ports(ap, port: i); |
444 | |
445 | ata_port_desc(ap, fmt: "cmd 0x%lx ctl 0x%lx" , |
446 | (unsigned long)ioaddr->cmd_addr, |
447 | (unsigned long)ioaddr->ctl_addr); |
448 | ata_port_desc(ap, fmt: "bmdma 0x%lx" , |
449 | (unsigned long)ioaddr->bmdma_addr); |
450 | |
451 | mask |= 1 << i; |
452 | } |
453 | |
454 | if (!mask) { |
455 | dev_err(gdev, "no available native port\n" ); |
456 | return -ENODEV; |
457 | } |
458 | |
459 | atp867x_fixup(host); |
460 | |
461 | return dma_set_mask_and_coherent(dev: &pdev->dev, ATA_DMA_MASK); |
462 | } |
463 | |
464 | static int atp867x_init_one(struct pci_dev *pdev, |
465 | const struct pci_device_id *id) |
466 | { |
467 | static const struct ata_port_info info_867x = { |
468 | .flags = ATA_FLAG_SLAVE_POSS, |
469 | .pio_mask = ATA_PIO4, |
470 | .udma_mask = ATA_UDMA6, |
471 | .port_ops = &atp867x_ops, |
472 | }; |
473 | |
474 | struct ata_host *host; |
475 | const struct ata_port_info *ppi[] = { &info_867x, NULL }; |
476 | int rc; |
477 | |
478 | ata_print_version_once(&pdev->dev, DRV_VERSION); |
479 | |
480 | rc = pcim_enable_device(pdev); |
481 | if (rc) |
482 | return rc; |
483 | |
484 | dev_info(&pdev->dev, "ATP867X: ATP867 ATA UDMA133 controller (rev %02X)" , |
485 | pdev->device); |
486 | |
487 | host = ata_host_alloc_pinfo(dev: &pdev->dev, ppi, n_ports: ATP867X_NUM_PORTS); |
488 | if (!host) { |
489 | dev_err(&pdev->dev, "failed to allocate ATA host\n" ); |
490 | rc = -ENOMEM; |
491 | goto err_out; |
492 | } |
493 | |
494 | rc = atp867x_ata_pci_sff_init_host(host); |
495 | if (rc) { |
496 | dev_err(&pdev->dev, "failed to init host\n" ); |
497 | goto err_out; |
498 | } |
499 | |
500 | pci_set_master(dev: pdev); |
501 | |
502 | rc = ata_host_activate(host, irq: pdev->irq, irq_handler: ata_bmdma_interrupt, |
503 | IRQF_SHARED, sht: &atp867x_sht); |
504 | if (rc) |
505 | dev_err(&pdev->dev, "failed to activate host\n" ); |
506 | |
507 | err_out: |
508 | return rc; |
509 | } |
510 | |
511 | #ifdef CONFIG_PM_SLEEP |
512 | static int atp867x_reinit_one(struct pci_dev *pdev) |
513 | { |
514 | struct ata_host *host = pci_get_drvdata(pdev); |
515 | int rc; |
516 | |
517 | rc = ata_pci_device_do_resume(pdev); |
518 | if (rc) |
519 | return rc; |
520 | |
521 | atp867x_fixup(host); |
522 | |
523 | ata_host_resume(host); |
524 | return 0; |
525 | } |
526 | #endif |
527 | |
528 | static struct pci_device_id atp867x_pci_tbl[] = { |
529 | { PCI_VDEVICE(ARTOP, PCI_DEVICE_ID_ARTOP_ATP867A), 0 }, |
530 | { PCI_VDEVICE(ARTOP, PCI_DEVICE_ID_ARTOP_ATP867B), 0 }, |
531 | { }, |
532 | }; |
533 | |
534 | static struct pci_driver atp867x_driver = { |
535 | .name = DRV_NAME, |
536 | .id_table = atp867x_pci_tbl, |
537 | .probe = atp867x_init_one, |
538 | .remove = ata_pci_remove_one, |
539 | #ifdef CONFIG_PM_SLEEP |
540 | .suspend = ata_pci_device_suspend, |
541 | .resume = atp867x_reinit_one, |
542 | #endif |
543 | }; |
544 | |
545 | module_pci_driver(atp867x_driver); |
546 | |
547 | MODULE_AUTHOR("John(Jung-Ik) Lee, Google Inc." ); |
548 | MODULE_DESCRIPTION("low level driver for Artop/Acard 867x ATA controller" ); |
549 | MODULE_LICENSE("GPL" ); |
550 | MODULE_DEVICE_TABLE(pci, atp867x_pci_tbl); |
551 | MODULE_VERSION(DRV_VERSION); |
552 | |