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50a6cb93 | 1 | /* Driver for Realtek RTS51xx USB card reader |
2 | * | |
3 | * Copyright(c) 2009 Realtek Semiconductor Corp. All rights reserved. | |
4 | * | |
5 | * This program is free software; you can redistribute it and/or modify it | |
6 | * under the terms of the GNU General Public License as published by the | |
7 | * Free Software Foundation; either version 2, or (at your option) any | |
8 | * later version. | |
9 | * | |
10 | * This program is distributed in the hope that it will be useful, but | |
11 | * WITHOUT ANY WARRANTY; without even the implied warranty of | |
12 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU | |
13 | * General Public License for more details. | |
14 | * | |
15 | * You should have received a copy of the GNU General Public License along | |
16 | * with this program; if not, see <http://www.gnu.org/licenses/>. | |
17 | * | |
18 | * Author: | |
19 | * wwang (wei_wang@realsil.com.cn) | |
20 | * No. 450, Shenhu Road, Suzhou Industry Park, Suzhou, China | |
21 | */ | |
22 | ||
23 | #include <linux/module.h> | |
24 | #include <linux/blkdev.h> | |
25 | #include <linux/kthread.h> | |
26 | #include <linux/sched.h> | |
50a6cb93 | 27 | #include <linux/kernel.h> |
50a6cb93 | 28 | |
29 | #include <scsi/scsi.h> | |
30 | #include <scsi/scsi_cmnd.h> | |
31 | #include <scsi/scsi_device.h> | |
32 | #include <linux/cdrom.h> | |
33 | ||
34 | #include <linux/usb.h> | |
35 | #include <linux/slab.h> | |
36 | #include <linux/usb_usual.h> | |
37 | ||
38 | #include "usb.h" | |
39 | #include "transport.h" | |
40 | #include "protocol.h" | |
41 | #include "debug.h" | |
42 | ||
43 | MODULE_DESCRIPTION("Driver for Realtek USB Card Reader"); | |
44 | MODULE_AUTHOR("wwang <wei_wang@realsil.com.cn>"); | |
45 | MODULE_LICENSE("GPL"); | |
46 | MODULE_VERSION("1.03"); | |
47 | ||
48 | static int auto_delink_en = 1; | |
49 | module_param(auto_delink_en, int, S_IRUGO | S_IWUSR); | |
50 | MODULE_PARM_DESC(auto_delink_en, "enable auto delink"); | |
51 | ||
e931830b | 52 | #ifdef CONFIG_REALTEK_AUTOPM |
53 | static int ss_en = 1; | |
54 | module_param(ss_en, int, S_IRUGO | S_IWUSR); | |
55 | MODULE_PARM_DESC(ss_en, "enable selective suspend"); | |
56 | ||
57 | static int ss_delay = 50; | |
58 | module_param(ss_delay, int, S_IRUGO | S_IWUSR); | |
59 | MODULE_PARM_DESC(ss_delay, | |
60 | "seconds to delay before entering selective suspend"); | |
61 | ||
62 | enum RTS51X_STAT { | |
63 | RTS51X_STAT_INIT, | |
64 | RTS51X_STAT_IDLE, | |
65 | RTS51X_STAT_RUN, | |
66 | RTS51X_STAT_SS | |
67 | }; | |
68 | ||
69 | #define POLLING_INTERVAL 50 | |
70 | ||
71 | #define rts51x_set_stat(chip, stat) \ | |
72 | ((chip)->state = (enum RTS51X_STAT)(stat)) | |
73 | #define rts51x_get_stat(chip) ((chip)->state) | |
74 | ||
75 | #define SET_LUN_READY(chip, lun) ((chip)->lun_ready |= ((u8)1 << (lun))) | |
76 | #define CLR_LUN_READY(chip, lun) ((chip)->lun_ready &= ~((u8)1 << (lun))) | |
77 | #define TST_LUN_READY(chip, lun) ((chip)->lun_ready & ((u8)1 << (lun))) | |
78 | ||
79 | #endif | |
80 | ||
50a6cb93 | 81 | struct rts51x_status { |
82 | u16 vid; | |
83 | u16 pid; | |
84 | u8 cur_lun; | |
85 | u8 card_type; | |
86 | u8 total_lun; | |
87 | u16 fw_ver; | |
88 | u8 phy_exist; | |
89 | u8 multi_flag; | |
90 | u8 multi_card; | |
91 | u8 log_exist; | |
92 | union { | |
93 | u8 detailed_type1; | |
94 | u8 detailed_type2; | |
95 | } detailed_type; | |
96 | u8 function[2]; | |
97 | }; | |
98 | ||
99 | struct rts51x_chip { | |
151d9fad | 100 | u16 vendor_id; |
101 | u16 product_id; | |
102 | char max_lun; | |
50a6cb93 | 103 | |
151d9fad | 104 | struct rts51x_status *status; |
105 | int status_len; | |
50a6cb93 | 106 | |
e931830b | 107 | u32 flag; |
108 | #ifdef CONFIG_REALTEK_AUTOPM | |
109 | struct us_data *us; | |
110 | struct timer_list rts51x_suspend_timer; | |
111 | unsigned long timer_expires; | |
112 | int pwr_state; | |
113 | u8 lun_ready; | |
114 | enum RTS51X_STAT state; | |
115 | int support_auto_delink; | |
116 | #endif | |
117 | /* used to back up the protocal choosen in probe1 phase */ | |
118 | proto_cmnd proto_handler_backup; | |
50a6cb93 | 119 | }; |
120 | ||
121 | /* flag definition */ | |
122 | #define FLIDX_AUTO_DELINK 0x01 | |
123 | ||
124 | #define SCSI_LUN(srb) ((srb)->device->lun) | |
125 | ||
126 | /* Bit Operation */ | |
127 | #define SET_BIT(data, idx) ((data) |= 1 << (idx)) | |
128 | #define CLR_BIT(data, idx) ((data) &= ~(1 << (idx))) | |
129 | #define CHK_BIT(data, idx) ((data) & (1 << (idx))) | |
130 | ||
131 | #define SET_AUTO_DELINK(chip) ((chip)->flag |= FLIDX_AUTO_DELINK) | |
132 | #define CLR_AUTO_DELINK(chip) ((chip)->flag &= ~FLIDX_AUTO_DELINK) | |
133 | #define CHK_AUTO_DELINK(chip) ((chip)->flag & FLIDX_AUTO_DELINK) | |
134 | ||
135 | #define RTS51X_GET_VID(chip) ((chip)->vendor_id) | |
136 | #define RTS51X_GET_PID(chip) ((chip)->product_id) | |
137 | ||
e931830b | 138 | #define VENDOR_ID(chip) ((chip)->status[0].vid) |
139 | #define PRODUCT_ID(chip) ((chip)->status[0].pid) | |
50a6cb93 | 140 | #define FW_VERSION(chip) ((chip)->status[0].fw_ver) |
141 | #define STATUS_LEN(chip) ((chip)->status_len) | |
142 | ||
e931830b | 143 | #define STATUS_SUCCESS 0 |
144 | #define STATUS_FAIL 1 | |
145 | ||
50a6cb93 | 146 | /* Check card reader function */ |
147 | #define SUPPORT_DETAILED_TYPE1(chip) \ | |
148 | CHK_BIT((chip)->status[0].function[0], 1) | |
149 | #define SUPPORT_OT(chip) \ | |
150 | CHK_BIT((chip)->status[0].function[0], 2) | |
151 | #define SUPPORT_OC(chip) \ | |
152 | CHK_BIT((chip)->status[0].function[0], 3) | |
153 | #define SUPPORT_AUTO_DELINK(chip) \ | |
154 | CHK_BIT((chip)->status[0].function[0], 4) | |
155 | #define SUPPORT_SDIO(chip) \ | |
156 | CHK_BIT((chip)->status[0].function[1], 0) | |
157 | #define SUPPORT_DETAILED_TYPE2(chip) \ | |
158 | CHK_BIT((chip)->status[0].function[1], 1) | |
159 | ||
160 | #define CHECK_PID(chip, pid) (RTS51X_GET_PID(chip) == (pid)) | |
161 | #define CHECK_FW_VER(chip, fw_ver) (FW_VERSION(chip) == (fw_ver)) | |
162 | #define CHECK_ID(chip, pid, fw_ver) \ | |
163 | (CHECK_PID((chip), (pid)) && CHECK_FW_VER((chip), (fw_ver))) | |
164 | ||
50a6cb93 | 165 | static int init_realtek_cr(struct us_data *us); |
166 | ||
167 | /* | |
168 | * The table of devices | |
169 | */ | |
170 | #define UNUSUAL_DEV(id_vendor, id_product, bcdDeviceMin, bcdDeviceMax, \ | |
171 | vendorName, productName, useProtocol, useTransport, \ | |
172 | initFunction, flags) \ | |
173 | {\ | |
174 | USB_DEVICE_VER(id_vendor, id_product, bcdDeviceMin, bcdDeviceMax), \ | |
175 | .driver_info = (flags)|(USB_US_TYPE_STOR<<24)\ | |
176 | } | |
177 | ||
8a9e658a | 178 | static const struct usb_device_id realtek_cr_ids[] = { |
50a6cb93 | 179 | # include "unusual_realtek.h" |
151d9fad | 180 | {} /* Terminating entry */ |
50a6cb93 | 181 | }; |
151d9fad | 182 | |
50a6cb93 | 183 | MODULE_DEVICE_TABLE(usb, realtek_cr_ids); |
184 | ||
185 | #undef UNUSUAL_DEV | |
186 | ||
187 | /* | |
188 | * The flags table | |
189 | */ | |
190 | #define UNUSUAL_DEV(idVendor, idProduct, bcdDeviceMin, bcdDeviceMax, \ | |
191 | vendor_name, product_name, use_protocol, use_transport, \ | |
192 | init_function, Flags) \ | |
193 | { \ | |
194 | .vendorName = vendor_name, \ | |
195 | .productName = product_name, \ | |
196 | .useProtocol = use_protocol, \ | |
197 | .useTransport = use_transport, \ | |
198 | .initFunction = init_function, \ | |
199 | } | |
200 | ||
201 | static struct us_unusual_dev realtek_cr_unusual_dev_list[] = { | |
202 | # include "unusual_realtek.h" | |
151d9fad | 203 | {} /* Terminating entry */ |
50a6cb93 | 204 | }; |
205 | ||
206 | #undef UNUSUAL_DEV | |
207 | ||
208 | static int rts51x_bulk_transport(struct us_data *us, u8 lun, | |
209 | u8 *cmd, int cmd_len, u8 *buf, int buf_len, | |
210 | enum dma_data_direction dir, int *act_len) | |
211 | { | |
151d9fad | 212 | struct bulk_cb_wrap *bcb = (struct bulk_cb_wrap *)us->iobuf; |
213 | struct bulk_cs_wrap *bcs = (struct bulk_cs_wrap *)us->iobuf; | |
50a6cb93 | 214 | int result; |
215 | unsigned int residue; | |
216 | unsigned int cswlen; | |
217 | unsigned int cbwlen = US_BULK_CB_WRAP_LEN; | |
218 | ||
219 | /* set up the command wrapper */ | |
220 | bcb->Signature = cpu_to_le32(US_BULK_CB_SIGN); | |
221 | bcb->DataTransferLength = cpu_to_le32(buf_len); | |
222 | bcb->Flags = (dir == DMA_FROM_DEVICE) ? 1 << 7 : 0; | |
223 | bcb->Tag = ++us->tag; | |
224 | bcb->Lun = lun; | |
225 | bcb->Length = cmd_len; | |
226 | ||
227 | /* copy the command payload */ | |
228 | memset(bcb->CDB, 0, sizeof(bcb->CDB)); | |
229 | memcpy(bcb->CDB, cmd, bcb->Length); | |
230 | ||
231 | /* send it to out endpoint */ | |
232 | result = usb_stor_bulk_transfer_buf(us, us->send_bulk_pipe, | |
151d9fad | 233 | bcb, cbwlen, NULL); |
50a6cb93 | 234 | if (result != USB_STOR_XFER_GOOD) |
235 | return USB_STOR_TRANSPORT_ERROR; | |
236 | ||
237 | /* DATA STAGE */ | |
238 | /* send/receive data payload, if there is any */ | |
239 | ||
240 | if (buf && buf_len) { | |
241 | unsigned int pipe = (dir == DMA_FROM_DEVICE) ? | |
151d9fad | 242 | us->recv_bulk_pipe : us->send_bulk_pipe; |
50a6cb93 | 243 | result = usb_stor_bulk_transfer_buf(us, pipe, |
151d9fad | 244 | buf, buf_len, NULL); |
50a6cb93 | 245 | if (result == USB_STOR_XFER_ERROR) |
246 | return USB_STOR_TRANSPORT_ERROR; | |
247 | } | |
248 | ||
249 | /* get CSW for device status */ | |
250 | result = usb_stor_bulk_transfer_buf(us, us->recv_bulk_pipe, | |
151d9fad | 251 | bcs, US_BULK_CS_WRAP_LEN, &cswlen); |
50a6cb93 | 252 | if (result != USB_STOR_XFER_GOOD) |
253 | return USB_STOR_TRANSPORT_ERROR; | |
254 | ||
255 | /* check bulk status */ | |
256 | if (bcs->Signature != cpu_to_le32(US_BULK_CS_SIGN)) { | |
257 | US_DEBUGP("Signature mismatch: got %08X, expecting %08X\n", | |
151d9fad | 258 | le32_to_cpu(bcs->Signature), US_BULK_CS_SIGN); |
50a6cb93 | 259 | return USB_STOR_TRANSPORT_ERROR; |
260 | } | |
261 | ||
262 | residue = bcs->Residue; | |
263 | if (bcs->Tag != us->tag) | |
264 | return USB_STOR_TRANSPORT_ERROR; | |
265 | ||
266 | /* try to compute the actual residue, based on how much data | |
267 | * was really transferred and what the device tells us */ | |
268 | if (residue) | |
269 | residue = residue < buf_len ? residue : buf_len; | |
270 | ||
271 | if (act_len) | |
272 | *act_len = buf_len - residue; | |
273 | ||
274 | /* based on the status code, we report good or bad */ | |
275 | switch (bcs->Status) { | |
276 | case US_BULK_STAT_OK: | |
277 | /* command good -- note that data could be short */ | |
278 | return USB_STOR_TRANSPORT_GOOD; | |
279 | ||
280 | case US_BULK_STAT_FAIL: | |
281 | /* command failed */ | |
282 | return USB_STOR_TRANSPORT_FAILED; | |
283 | ||
284 | case US_BULK_STAT_PHASE: | |
285 | /* phase error -- note that a transport reset will be | |
151d9fad | 286 | * invoked by the invoke_transport() function |
287 | */ | |
50a6cb93 | 288 | return USB_STOR_TRANSPORT_ERROR; |
289 | } | |
290 | ||
291 | /* we should never get here, but if we do, we're in trouble */ | |
292 | return USB_STOR_TRANSPORT_ERROR; | |
293 | } | |
294 | ||
45e1892e | 295 | static int rts51x_bulk_transport_special(struct us_data *us, u8 lun, |
296 | u8 *cmd, int cmd_len, u8 *buf, int buf_len, | |
297 | enum dma_data_direction dir, int *act_len) | |
298 | { | |
299 | struct bulk_cb_wrap *bcb = (struct bulk_cb_wrap *) us->iobuf; | |
300 | struct bulk_cs_wrap *bcs = (struct bulk_cs_wrap *) us->iobuf; | |
301 | int result; | |
302 | unsigned int cswlen; | |
303 | unsigned int cbwlen = US_BULK_CB_WRAP_LEN; | |
304 | ||
305 | /* set up the command wrapper */ | |
306 | bcb->Signature = cpu_to_le32(US_BULK_CB_SIGN); | |
307 | bcb->DataTransferLength = cpu_to_le32(buf_len); | |
308 | bcb->Flags = (dir == DMA_FROM_DEVICE) ? 1 << 7 : 0; | |
309 | bcb->Tag = ++us->tag; | |
310 | bcb->Lun = lun; | |
311 | bcb->Length = cmd_len; | |
312 | ||
313 | /* copy the command payload */ | |
314 | memset(bcb->CDB, 0, sizeof(bcb->CDB)); | |
315 | memcpy(bcb->CDB, cmd, bcb->Length); | |
316 | ||
317 | /* send it to out endpoint */ | |
318 | result = usb_stor_bulk_transfer_buf(us, us->send_bulk_pipe, | |
319 | bcb, cbwlen, NULL); | |
320 | if (result != USB_STOR_XFER_GOOD) | |
321 | return USB_STOR_TRANSPORT_ERROR; | |
322 | ||
323 | /* DATA STAGE */ | |
324 | /* send/receive data payload, if there is any */ | |
325 | ||
326 | if (buf && buf_len) { | |
327 | unsigned int pipe = (dir == DMA_FROM_DEVICE) ? | |
328 | us->recv_bulk_pipe : us->send_bulk_pipe; | |
329 | result = usb_stor_bulk_transfer_buf(us, pipe, | |
330 | buf, buf_len, NULL); | |
331 | if (result == USB_STOR_XFER_ERROR) | |
332 | return USB_STOR_TRANSPORT_ERROR; | |
333 | } | |
334 | ||
335 | /* get CSW for device status */ | |
336 | result = usb_bulk_msg(us->pusb_dev, us->recv_bulk_pipe, bcs, | |
337 | US_BULK_CS_WRAP_LEN, &cswlen, 250); | |
338 | return result; | |
339 | } | |
340 | ||
50a6cb93 | 341 | /* Determine what the maximum LUN supported is */ |
342 | static int rts51x_get_max_lun(struct us_data *us) | |
343 | { | |
344 | int result; | |
345 | ||
346 | /* issue the command */ | |
347 | us->iobuf[0] = 0; | |
348 | result = usb_stor_control_msg(us, us->recv_ctrl_pipe, | |
151d9fad | 349 | US_BULK_GET_MAX_LUN, |
350 | USB_DIR_IN | USB_TYPE_CLASS | | |
351 | USB_RECIP_INTERFACE, | |
352 | 0, us->ifnum, us->iobuf, 1, 10 * HZ); | |
50a6cb93 | 353 | |
354 | US_DEBUGP("GetMaxLUN command result is %d, data is %d\n", | |
355 | result, us->iobuf[0]); | |
356 | ||
357 | /* if we have a successful request, return the result */ | |
358 | if (result > 0) | |
359 | return us->iobuf[0]; | |
360 | ||
361 | return 0; | |
362 | } | |
363 | ||
364 | static int rts51x_read_mem(struct us_data *us, u16 addr, u8 *data, u16 len) | |
365 | { | |
366 | int retval; | |
151d9fad | 367 | u8 cmnd[12] = { 0 }; |
065e6096 AC |
368 | u8 *buf; |
369 | ||
370 | buf = kmalloc(len, GFP_NOIO); | |
371 | if (buf == NULL) | |
372 | return USB_STOR_TRANSPORT_ERROR; | |
50a6cb93 | 373 | |
374 | US_DEBUGP("%s, addr = 0x%x, len = %d\n", __func__, addr, len); | |
375 | ||
376 | cmnd[0] = 0xF0; | |
377 | cmnd[1] = 0x0D; | |
151d9fad | 378 | cmnd[2] = (u8) (addr >> 8); |
379 | cmnd[3] = (u8) addr; | |
380 | cmnd[4] = (u8) (len >> 8); | |
381 | cmnd[5] = (u8) len; | |
50a6cb93 | 382 | |
383 | retval = rts51x_bulk_transport(us, 0, cmnd, 12, | |
065e6096 AC |
384 | buf, len, DMA_FROM_DEVICE, NULL); |
385 | if (retval != USB_STOR_TRANSPORT_GOOD) { | |
386 | kfree(buf); | |
50a6cb93 | 387 | return -EIO; |
065e6096 | 388 | } |
50a6cb93 | 389 | |
065e6096 AC |
390 | memcpy(data, buf, len); |
391 | kfree(buf); | |
50a6cb93 | 392 | return 0; |
393 | } | |
394 | ||
395 | static int rts51x_write_mem(struct us_data *us, u16 addr, u8 *data, u16 len) | |
396 | { | |
397 | int retval; | |
151d9fad | 398 | u8 cmnd[12] = { 0 }; |
065e6096 AC |
399 | u8 *buf; |
400 | ||
401 | buf = kmalloc(len, GFP_NOIO); | |
402 | if (buf == NULL) | |
403 | return USB_STOR_TRANSPORT_ERROR; | |
404 | memcpy(buf, data, len); | |
50a6cb93 | 405 | |
406 | US_DEBUGP("%s, addr = 0x%x, len = %d\n", __func__, addr, len); | |
407 | ||
408 | cmnd[0] = 0xF0; | |
409 | cmnd[1] = 0x0E; | |
151d9fad | 410 | cmnd[2] = (u8) (addr >> 8); |
411 | cmnd[3] = (u8) addr; | |
412 | cmnd[4] = (u8) (len >> 8); | |
413 | cmnd[5] = (u8) len; | |
50a6cb93 | 414 | |
415 | retval = rts51x_bulk_transport(us, 0, cmnd, 12, | |
065e6096 AC |
416 | buf, len, DMA_TO_DEVICE, NULL); |
417 | kfree(buf); | |
50a6cb93 | 418 | if (retval != USB_STOR_TRANSPORT_GOOD) |
419 | return -EIO; | |
420 | ||
421 | return 0; | |
422 | } | |
423 | ||
424 | static int rts51x_read_status(struct us_data *us, | |
425 | u8 lun, u8 *status, int len, int *actlen) | |
426 | { | |
427 | int retval; | |
151d9fad | 428 | u8 cmnd[12] = { 0 }; |
065e6096 AC |
429 | u8 *buf; |
430 | ||
431 | buf = kmalloc(len, GFP_NOIO); | |
432 | if (buf == NULL) | |
433 | return USB_STOR_TRANSPORT_ERROR; | |
50a6cb93 | 434 | |
435 | US_DEBUGP("%s, lun = %d\n", __func__, lun); | |
436 | ||
437 | cmnd[0] = 0xF0; | |
438 | cmnd[1] = 0x09; | |
439 | ||
440 | retval = rts51x_bulk_transport(us, lun, cmnd, 12, | |
065e6096 AC |
441 | buf, len, DMA_FROM_DEVICE, actlen); |
442 | if (retval != USB_STOR_TRANSPORT_GOOD) { | |
443 | kfree(buf); | |
50a6cb93 | 444 | return -EIO; |
065e6096 | 445 | } |
50a6cb93 | 446 | |
065e6096 AC |
447 | memcpy(status, buf, len); |
448 | kfree(buf); | |
50a6cb93 | 449 | return 0; |
450 | } | |
451 | ||
452 | static int rts51x_check_status(struct us_data *us, u8 lun) | |
453 | { | |
454 | struct rts51x_chip *chip = (struct rts51x_chip *)(us->extra); | |
455 | int retval; | |
456 | u8 buf[16]; | |
457 | ||
458 | retval = rts51x_read_status(us, lun, buf, 16, &(chip->status_len)); | |
459 | if (retval < 0) | |
460 | return -EIO; | |
461 | ||
462 | US_DEBUGP("chip->status_len = %d\n", chip->status_len); | |
463 | ||
151d9fad | 464 | chip->status[lun].vid = ((u16) buf[0] << 8) | buf[1]; |
465 | chip->status[lun].pid = ((u16) buf[2] << 8) | buf[3]; | |
50a6cb93 | 466 | chip->status[lun].cur_lun = buf[4]; |
467 | chip->status[lun].card_type = buf[5]; | |
468 | chip->status[lun].total_lun = buf[6]; | |
151d9fad | 469 | chip->status[lun].fw_ver = ((u16) buf[7] << 8) | buf[8]; |
50a6cb93 | 470 | chip->status[lun].phy_exist = buf[9]; |
471 | chip->status[lun].multi_flag = buf[10]; | |
472 | chip->status[lun].multi_card = buf[11]; | |
473 | chip->status[lun].log_exist = buf[12]; | |
474 | if (chip->status_len == 16) { | |
475 | chip->status[lun].detailed_type.detailed_type1 = buf[13]; | |
476 | chip->status[lun].function[0] = buf[14]; | |
477 | chip->status[lun].function[1] = buf[15]; | |
478 | } | |
479 | ||
480 | return 0; | |
481 | } | |
482 | ||
483 | static int enable_oscillator(struct us_data *us) | |
484 | { | |
485 | int retval; | |
486 | u8 value; | |
487 | ||
488 | retval = rts51x_read_mem(us, 0xFE77, &value, 1); | |
489 | if (retval < 0) | |
490 | return -EIO; | |
491 | ||
492 | value |= 0x04; | |
493 | retval = rts51x_write_mem(us, 0xFE77, &value, 1); | |
494 | if (retval < 0) | |
495 | return -EIO; | |
496 | ||
497 | retval = rts51x_read_mem(us, 0xFE77, &value, 1); | |
498 | if (retval < 0) | |
499 | return -EIO; | |
500 | ||
501 | if (!(value & 0x04)) | |
502 | return -EIO; | |
503 | ||
504 | return 0; | |
505 | } | |
506 | ||
45e1892e | 507 | static int __do_config_autodelink(struct us_data *us, u8 *data, u16 len) |
508 | { | |
509 | int retval; | |
45e1892e | 510 | u8 cmnd[12] = {0}; |
511 | ||
d762ad47 | 512 | US_DEBUGP("%s, addr = 0xfe47, len = %d\n", __FUNCTION__, len); |
45e1892e | 513 | |
514 | cmnd[0] = 0xF0; | |
515 | cmnd[1] = 0x0E; | |
d762ad47 FB |
516 | cmnd[2] = 0xfe; |
517 | cmnd[3] = 0x47; | |
45e1892e | 518 | cmnd[4] = (u8)(len >> 8); |
519 | cmnd[5] = (u8)len; | |
520 | ||
521 | retval = rts51x_bulk_transport_special(us, 0, cmnd, 12, data, len, DMA_TO_DEVICE, NULL); | |
522 | if (retval != USB_STOR_TRANSPORT_GOOD) { | |
523 | return -EIO; | |
524 | } | |
525 | ||
526 | return 0; | |
527 | } | |
528 | ||
50a6cb93 | 529 | static int do_config_autodelink(struct us_data *us, int enable, int force) |
530 | { | |
531 | int retval; | |
532 | u8 value; | |
533 | ||
534 | retval = rts51x_read_mem(us, 0xFE47, &value, 1); | |
535 | if (retval < 0) | |
536 | return -EIO; | |
537 | ||
538 | if (enable) { | |
539 | if (force) | |
540 | value |= 0x03; | |
541 | else | |
542 | value |= 0x01; | |
543 | } else { | |
544 | value &= ~0x03; | |
545 | } | |
546 | ||
547 | US_DEBUGP("In %s,set 0xfe47 to 0x%x\n", __func__, value); | |
548 | ||
45e1892e | 549 | /* retval = rts51x_write_mem(us, 0xFE47, &value, 1); */ |
550 | retval = __do_config_autodelink(us, &value, 1); | |
50a6cb93 | 551 | if (retval < 0) |
552 | return -EIO; | |
553 | ||
554 | return 0; | |
555 | } | |
556 | ||
557 | static int config_autodelink_after_power_on(struct us_data *us) | |
558 | { | |
559 | struct rts51x_chip *chip = (struct rts51x_chip *)(us->extra); | |
560 | int retval; | |
561 | u8 value; | |
562 | ||
e931830b | 563 | US_DEBUGP("%s: <---\n", __func__); |
564 | ||
50a6cb93 | 565 | if (!CHK_AUTO_DELINK(chip)) |
566 | return 0; | |
567 | ||
568 | retval = rts51x_read_mem(us, 0xFE47, &value, 1); | |
569 | if (retval < 0) | |
570 | return -EIO; | |
571 | ||
572 | if (auto_delink_en) { | |
573 | CLR_BIT(value, 0); | |
574 | CLR_BIT(value, 1); | |
575 | SET_BIT(value, 2); | |
576 | ||
577 | if (CHECK_ID(chip, 0x0138, 0x3882)) | |
578 | CLR_BIT(value, 2); | |
579 | ||
580 | SET_BIT(value, 7); | |
581 | ||
45e1892e | 582 | /* retval = rts51x_write_mem(us, 0xFE47, &value, 1); */ |
583 | retval = __do_config_autodelink(us, &value, 1); | |
50a6cb93 | 584 | if (retval < 0) |
585 | return -EIO; | |
586 | ||
587 | retval = enable_oscillator(us); | |
588 | if (retval == 0) | |
589 | (void)do_config_autodelink(us, 1, 0); | |
590 | } else { | |
591 | /* Autodelink controlled by firmware */ | |
592 | ||
593 | SET_BIT(value, 2); | |
594 | ||
595 | if (CHECK_ID(chip, 0x0138, 0x3882)) | |
596 | CLR_BIT(value, 2); | |
597 | ||
598 | if (CHECK_ID(chip, 0x0159, 0x5889) || | |
151d9fad | 599 | CHECK_ID(chip, 0x0138, 0x3880)) { |
50a6cb93 | 600 | CLR_BIT(value, 0); |
601 | CLR_BIT(value, 7); | |
602 | } | |
603 | ||
45e1892e | 604 | /* retval = rts51x_write_mem(us, 0xFE47, &value, 1); */ |
605 | retval = __do_config_autodelink(us, &value, 1); | |
50a6cb93 | 606 | if (retval < 0) |
607 | return -EIO; | |
608 | ||
609 | if (CHECK_ID(chip, 0x0159, 0x5888)) { | |
610 | value = 0xFF; | |
611 | retval = rts51x_write_mem(us, 0xFE79, &value, 1); | |
612 | if (retval < 0) | |
613 | return -EIO; | |
614 | ||
615 | value = 0x01; | |
616 | retval = rts51x_write_mem(us, 0x48, &value, 1); | |
617 | if (retval < 0) | |
618 | return -EIO; | |
619 | } | |
620 | } | |
621 | ||
e931830b | 622 | US_DEBUGP("%s: --->\n", __func__); |
623 | ||
50a6cb93 | 624 | return 0; |
625 | } | |
626 | ||
627 | static int config_autodelink_before_power_down(struct us_data *us) | |
628 | { | |
629 | struct rts51x_chip *chip = (struct rts51x_chip *)(us->extra); | |
630 | int retval; | |
631 | u8 value; | |
632 | ||
e931830b | 633 | US_DEBUGP("%s: <---\n", __func__); |
634 | ||
50a6cb93 | 635 | if (!CHK_AUTO_DELINK(chip)) |
636 | return 0; | |
637 | ||
638 | if (auto_delink_en) { | |
639 | retval = rts51x_read_mem(us, 0xFE77, &value, 1); | |
640 | if (retval < 0) | |
641 | return -EIO; | |
642 | ||
643 | SET_BIT(value, 2); | |
644 | retval = rts51x_write_mem(us, 0xFE77, &value, 1); | |
645 | if (retval < 0) | |
646 | return -EIO; | |
647 | ||
648 | if (CHECK_ID(chip, 0x0159, 0x5888)) { | |
649 | value = 0x01; | |
650 | retval = rts51x_write_mem(us, 0x48, &value, 1); | |
651 | if (retval < 0) | |
652 | return -EIO; | |
653 | } | |
654 | ||
655 | retval = rts51x_read_mem(us, 0xFE47, &value, 1); | |
656 | if (retval < 0) | |
657 | return -EIO; | |
658 | ||
659 | SET_BIT(value, 0); | |
660 | if (CHECK_ID(chip, 0x0138, 0x3882)) | |
661 | SET_BIT(value, 2); | |
662 | retval = rts51x_write_mem(us, 0xFE77, &value, 1); | |
663 | if (retval < 0) | |
664 | return -EIO; | |
665 | } else { | |
666 | if (CHECK_ID(chip, 0x0159, 0x5889) || | |
151d9fad | 667 | CHECK_ID(chip, 0x0138, 0x3880) || |
668 | CHECK_ID(chip, 0x0138, 0x3882)) { | |
50a6cb93 | 669 | retval = rts51x_read_mem(us, 0xFE47, &value, 1); |
670 | if (retval < 0) | |
671 | return -EIO; | |
672 | ||
673 | if (CHECK_ID(chip, 0x0159, 0x5889) || | |
151d9fad | 674 | CHECK_ID(chip, 0x0138, 0x3880)) { |
50a6cb93 | 675 | SET_BIT(value, 0); |
676 | SET_BIT(value, 7); | |
677 | } | |
678 | ||
679 | if (CHECK_ID(chip, 0x0138, 0x3882)) | |
680 | SET_BIT(value, 2); | |
681 | ||
45e1892e | 682 | /* retval = rts51x_write_mem(us, 0xFE47, &value, 1); */ |
683 | retval = __do_config_autodelink(us, &value, 1); | |
50a6cb93 | 684 | if (retval < 0) |
685 | return -EIO; | |
686 | } | |
687 | ||
688 | if (CHECK_ID(chip, 0x0159, 0x5888)) { | |
689 | value = 0x01; | |
690 | retval = rts51x_write_mem(us, 0x48, &value, 1); | |
691 | if (retval < 0) | |
692 | return -EIO; | |
693 | } | |
694 | } | |
695 | ||
e931830b | 696 | US_DEBUGP("%s: --->\n", __func__); |
697 | ||
698 | return 0; | |
699 | } | |
700 | ||
701 | static void fw5895_init(struct us_data *us) | |
702 | { | |
703 | struct rts51x_chip *chip = (struct rts51x_chip *)(us->extra); | |
704 | int retval; | |
705 | u8 val; | |
706 | ||
707 | US_DEBUGP("%s: <---\n", __func__); | |
708 | ||
709 | if ((PRODUCT_ID(chip) != 0x0158) || (FW_VERSION(chip) != 0x5895)) { | |
710 | US_DEBUGP("Not the specified device, return immediately!\n"); | |
711 | } else { | |
712 | retval = rts51x_read_mem(us, 0xFD6F, &val, 1); | |
713 | if (retval == STATUS_SUCCESS && (val & 0x1F) == 0) { | |
714 | val = 0x1F; | |
715 | retval = rts51x_write_mem(us, 0xFD70, &val, 1); | |
716 | if (retval != STATUS_SUCCESS) | |
717 | US_DEBUGP("Write memory fail\n"); | |
718 | } else { | |
719 | US_DEBUGP("Read memory fail, OR (val & 0x1F) != 0\n"); | |
720 | } | |
721 | } | |
722 | ||
723 | US_DEBUGP("%s: --->\n", __func__); | |
724 | } | |
725 | ||
726 | #ifdef CONFIG_REALTEK_AUTOPM | |
727 | static void fw5895_set_mmc_wp(struct us_data *us) | |
728 | { | |
729 | struct rts51x_chip *chip = (struct rts51x_chip *)(us->extra); | |
730 | int retval; | |
731 | u8 buf[13]; | |
732 | ||
733 | US_DEBUGP("%s: <---\n", __func__); | |
734 | ||
735 | if ((PRODUCT_ID(chip) != 0x0158) || (FW_VERSION(chip) != 0x5895)) { | |
736 | US_DEBUGP("Not the specified device, return immediately!\n"); | |
737 | } else { | |
738 | retval = rts51x_read_mem(us, 0xFD6F, buf, 1); | |
739 | if (retval == STATUS_SUCCESS && (buf[0] & 0x24) == 0x24) { | |
740 | /* SD Exist and SD WP */ | |
741 | retval = rts51x_read_mem(us, 0xD04E, buf, 1); | |
742 | if (retval == STATUS_SUCCESS) { | |
743 | buf[0] |= 0x04; | |
744 | retval = rts51x_write_mem(us, 0xFD70, buf, 1); | |
745 | if (retval != STATUS_SUCCESS) | |
746 | US_DEBUGP("Write memory fail\n"); | |
747 | } else { | |
748 | US_DEBUGP("Read memory fail\n"); | |
749 | } | |
750 | } else { | |
751 | US_DEBUGP("Read memory fail, OR (buf[0]&0x24)!=0x24\n"); | |
752 | } | |
753 | } | |
754 | ||
755 | US_DEBUGP("%s: --->\n", __func__); | |
756 | } | |
757 | ||
758 | static void rts51x_modi_suspend_timer(struct rts51x_chip *chip) | |
759 | { | |
760 | US_DEBUGP("%s: <---, state:%d\n", __func__, rts51x_get_stat(chip)); | |
761 | ||
762 | chip->timer_expires = jiffies + msecs_to_jiffies(1000*ss_delay); | |
763 | mod_timer(&chip->rts51x_suspend_timer, chip->timer_expires); | |
764 | ||
765 | US_DEBUGP("%s: --->\n", __func__); | |
766 | } | |
767 | ||
768 | static void rts51x_suspend_timer_fn(unsigned long data) | |
769 | { | |
770 | struct rts51x_chip *chip = (struct rts51x_chip *)data; | |
771 | struct us_data *us = chip->us; | |
772 | ||
773 | US_DEBUGP("%s: <---\n", __func__); | |
774 | ||
775 | switch (rts51x_get_stat(chip)) { | |
776 | case RTS51X_STAT_INIT: | |
777 | case RTS51X_STAT_RUN: | |
778 | rts51x_modi_suspend_timer(chip); | |
779 | break; | |
780 | case RTS51X_STAT_IDLE: | |
781 | case RTS51X_STAT_SS: | |
782 | US_DEBUGP("%s: RTS51X_STAT_SS, intf->pm_usage_cnt:%d," | |
783 | "power.usage:%d\n", __func__, | |
784 | atomic_read(&us->pusb_intf->pm_usage_cnt), | |
785 | atomic_read(&us->pusb_intf->dev.power.usage_count)); | |
786 | ||
787 | if (atomic_read(&us->pusb_intf->pm_usage_cnt) > 0) { | |
788 | US_DEBUGP("%s: Ready to enter SS state.\n", | |
789 | __func__); | |
790 | rts51x_set_stat(chip, RTS51X_STAT_SS); | |
791 | /* ignore mass storage interface's children */ | |
792 | pm_suspend_ignore_children(&us->pusb_intf->dev, true); | |
793 | usb_autopm_put_interface(us->pusb_intf); | |
794 | US_DEBUGP("%s: RTS51X_STAT_SS 01," | |
795 | "intf->pm_usage_cnt:%d, power.usage:%d\n", | |
796 | __func__, | |
797 | atomic_read(&us->pusb_intf->pm_usage_cnt), | |
798 | atomic_read( | |
799 | &us->pusb_intf->dev.power.usage_count)); | |
800 | } | |
801 | break; | |
802 | default: | |
803 | US_DEBUGP("%s: Unknonwn state !!!\n", __func__); | |
804 | break; | |
805 | } | |
806 | ||
807 | US_DEBUGP("%s: --->\n", __func__); | |
808 | } | |
809 | ||
810 | static inline int working_scsi(struct scsi_cmnd *srb) | |
811 | { | |
812 | if ((srb->cmnd[0] == TEST_UNIT_READY) || | |
813 | (srb->cmnd[0] == ALLOW_MEDIUM_REMOVAL)) { | |
814 | return 0; | |
815 | } | |
816 | ||
817 | return 1; | |
818 | } | |
819 | ||
d762ad47 | 820 | static void rts51x_invoke_transport(struct scsi_cmnd *srb, struct us_data *us) |
e931830b | 821 | { |
822 | struct rts51x_chip *chip = (struct rts51x_chip *)(us->extra); | |
823 | static int card_first_show = 1; | |
824 | static u8 media_not_present[] = { 0x70, 0, 0x02, 0, 0, 0, 0, | |
825 | 10, 0, 0, 0, 0, 0x3A, 0, 0, 0, 0, 0 | |
826 | }; | |
827 | static u8 invalid_cmd_field[] = { 0x70, 0, 0x05, 0, 0, 0, 0, | |
828 | 10, 0, 0, 0, 0, 0x24, 0, 0, 0, 0, 0 | |
829 | }; | |
830 | int ret; | |
831 | ||
832 | US_DEBUGP("%s: <---\n", __func__); | |
833 | ||
834 | if (working_scsi(srb)) { | |
835 | US_DEBUGP("%s: working scsi, intf->pm_usage_cnt:%d," | |
836 | "power.usage:%d\n", __func__, | |
837 | atomic_read(&us->pusb_intf->pm_usage_cnt), | |
838 | atomic_read(&us->pusb_intf->dev.power.usage_count)); | |
839 | ||
840 | if (atomic_read(&us->pusb_intf->pm_usage_cnt) <= 0) { | |
841 | ret = usb_autopm_get_interface(us->pusb_intf); | |
842 | US_DEBUGP("%s: working scsi, ret=%d\n", __func__, ret); | |
843 | } | |
844 | if (rts51x_get_stat(chip) != RTS51X_STAT_RUN) | |
845 | rts51x_set_stat(chip, RTS51X_STAT_RUN); | |
846 | chip->proto_handler_backup(srb, us); | |
847 | } else { | |
848 | if (rts51x_get_stat(chip) == RTS51X_STAT_SS) { | |
849 | US_DEBUGP("%s: NOT working scsi\n", __func__); | |
850 | if ((srb->cmnd[0] == TEST_UNIT_READY) && | |
851 | (chip->pwr_state == US_SUSPEND)) { | |
852 | if (TST_LUN_READY(chip, srb->device->lun)) { | |
853 | srb->result = SAM_STAT_GOOD; | |
854 | } else { | |
855 | srb->result = SAM_STAT_CHECK_CONDITION; | |
856 | memcpy(srb->sense_buffer, | |
857 | media_not_present, | |
858 | US_SENSE_SIZE); | |
859 | } | |
860 | US_DEBUGP("%s: TEST_UNIT_READY--->\n", | |
861 | __func__); | |
862 | goto out; | |
863 | } | |
864 | if (srb->cmnd[0] == ALLOW_MEDIUM_REMOVAL) { | |
865 | int prevent = srb->cmnd[4] & 0x1; | |
866 | if (prevent) { | |
867 | srb->result = SAM_STAT_CHECK_CONDITION; | |
868 | memcpy(srb->sense_buffer, | |
869 | invalid_cmd_field, | |
870 | US_SENSE_SIZE); | |
871 | } else { | |
872 | srb->result = SAM_STAT_GOOD; | |
873 | } | |
874 | US_DEBUGP("%s: ALLOW_MEDIUM_REMOVAL--->\n", | |
875 | __func__); | |
876 | goto out; | |
877 | } | |
878 | } else { | |
879 | US_DEBUGP("%s: NOT working scsi, not SS\n", __func__); | |
880 | chip->proto_handler_backup(srb, us); | |
881 | /* Check wether card is plugged in */ | |
882 | if (srb->cmnd[0] == TEST_UNIT_READY) { | |
883 | if (srb->result == SAM_STAT_GOOD) { | |
884 | SET_LUN_READY(chip, srb->device->lun); | |
885 | if (card_first_show) { | |
886 | card_first_show = 0; | |
887 | fw5895_set_mmc_wp(us); | |
888 | } | |
889 | } else { | |
890 | CLR_LUN_READY(chip, srb->device->lun); | |
891 | card_first_show = 1; | |
892 | } | |
893 | } | |
894 | if (rts51x_get_stat(chip) != RTS51X_STAT_IDLE) | |
895 | rts51x_set_stat(chip, RTS51X_STAT_IDLE); | |
896 | } | |
897 | } | |
898 | out: | |
899 | US_DEBUGP("%s: state:%d\n", __func__, rts51x_get_stat(chip)); | |
900 | if (rts51x_get_stat(chip) == RTS51X_STAT_RUN) | |
901 | rts51x_modi_suspend_timer(chip); | |
902 | ||
903 | US_DEBUGP("%s: --->\n", __func__); | |
904 | } | |
905 | ||
906 | static int realtek_cr_autosuspend_setup(struct us_data *us) | |
907 | { | |
908 | struct rts51x_chip *chip; | |
909 | struct rts51x_status *status = NULL; | |
910 | u8 buf[16]; | |
911 | int retval; | |
912 | ||
913 | chip = (struct rts51x_chip *)us->extra; | |
914 | chip->support_auto_delink = 0; | |
915 | chip->pwr_state = US_RESUME; | |
916 | chip->lun_ready = 0; | |
917 | rts51x_set_stat(chip, RTS51X_STAT_INIT); | |
918 | ||
919 | retval = rts51x_read_status(us, 0, buf, 16, &(chip->status_len)); | |
920 | if (retval != STATUS_SUCCESS) { | |
921 | US_DEBUGP("Read status fail\n"); | |
922 | return -EIO; | |
923 | } | |
924 | status = chip->status; | |
925 | status->vid = ((u16) buf[0] << 8) | buf[1]; | |
926 | status->pid = ((u16) buf[2] << 8) | buf[3]; | |
927 | status->cur_lun = buf[4]; | |
928 | status->card_type = buf[5]; | |
929 | status->total_lun = buf[6]; | |
930 | status->fw_ver = ((u16) buf[7] << 8) | buf[8]; | |
931 | status->phy_exist = buf[9]; | |
932 | status->multi_flag = buf[10]; | |
933 | status->multi_card = buf[11]; | |
934 | status->log_exist = buf[12]; | |
935 | if (chip->status_len == 16) { | |
936 | status->detailed_type.detailed_type1 = buf[13]; | |
937 | status->function[0] = buf[14]; | |
938 | status->function[1] = buf[15]; | |
939 | } | |
940 | ||
941 | /* back up the proto_handler in us->extra */ | |
942 | chip = (struct rts51x_chip *)(us->extra); | |
943 | chip->proto_handler_backup = us->proto_handler; | |
944 | /* Set the autosuspend_delay to 0 */ | |
945 | pm_runtime_set_autosuspend_delay(&us->pusb_dev->dev, 0); | |
946 | /* override us->proto_handler setted in get_protocol() */ | |
947 | us->proto_handler = rts51x_invoke_transport; | |
948 | ||
949 | chip->timer_expires = 0; | |
950 | setup_timer(&chip->rts51x_suspend_timer, rts51x_suspend_timer_fn, | |
951 | (unsigned long)chip); | |
952 | fw5895_init(us); | |
953 | ||
954 | /* enable autosuspend funciton of the usb device */ | |
955 | usb_enable_autosuspend(us->pusb_dev); | |
956 | ||
50a6cb93 | 957 | return 0; |
958 | } | |
e931830b | 959 | #endif |
50a6cb93 | 960 | |
961 | static void realtek_cr_destructor(void *extra) | |
962 | { | |
963 | struct rts51x_chip *chip = (struct rts51x_chip *)extra; | |
964 | ||
e931830b | 965 | US_DEBUGP("%s: <---\n", __func__); |
966 | ||
50a6cb93 | 967 | if (!chip) |
968 | return; | |
e931830b | 969 | #ifdef CONFIG_REALTEK_AUTOPM |
970 | if (ss_en) { | |
971 | del_timer(&chip->rts51x_suspend_timer); | |
972 | chip->timer_expires = 0; | |
973 | } | |
974 | #endif | |
50a6cb93 | 975 | kfree(chip->status); |
976 | } | |
977 | ||
978 | #ifdef CONFIG_PM | |
d762ad47 | 979 | static int realtek_cr_suspend(struct usb_interface *iface, pm_message_t message) |
50a6cb93 | 980 | { |
e931830b | 981 | struct us_data *us = usb_get_intfdata(iface); |
982 | ||
983 | US_DEBUGP("%s: <---\n", __func__); | |
984 | ||
985 | /* wait until no command is running */ | |
986 | mutex_lock(&us->dev_mutex); | |
987 | ||
988 | config_autodelink_before_power_down(us); | |
989 | ||
990 | mutex_unlock(&us->dev_mutex); | |
991 | ||
992 | US_DEBUGP("%s: --->\n", __func__); | |
993 | ||
994 | return 0; | |
50a6cb93 | 995 | } |
e931830b | 996 | |
997 | static int realtek_cr_resume(struct usb_interface *iface) | |
998 | { | |
999 | struct us_data *us = usb_get_intfdata(iface); | |
1000 | ||
1001 | US_DEBUGP("%s: <---\n", __func__); | |
1002 | ||
1003 | fw5895_init(us); | |
1004 | config_autodelink_after_power_on(us); | |
1005 | ||
1006 | US_DEBUGP("%s: --->\n", __func__); | |
1007 | ||
1008 | return 0; | |
1009 | } | |
1010 | #else | |
1011 | #define realtek_cr_suspend NULL | |
1012 | #define realtek_cr_resume NULL | |
50a6cb93 | 1013 | #endif |
1014 | ||
1015 | static int init_realtek_cr(struct us_data *us) | |
1016 | { | |
1017 | struct rts51x_chip *chip; | |
1018 | int size, i, retval; | |
1019 | ||
1020 | chip = kzalloc(sizeof(struct rts51x_chip), GFP_KERNEL); | |
1021 | if (!chip) | |
1022 | return -ENOMEM; | |
1023 | ||
1024 | us->extra = chip; | |
1025 | us->extra_destructor = realtek_cr_destructor; | |
50a6cb93 | 1026 | us->max_lun = chip->max_lun = rts51x_get_max_lun(us); |
1027 | ||
1028 | US_DEBUGP("chip->max_lun = %d\n", chip->max_lun); | |
1029 | ||
1030 | size = (chip->max_lun + 1) * sizeof(struct rts51x_status); | |
1031 | chip->status = kzalloc(size, GFP_KERNEL); | |
1032 | if (!chip->status) | |
1033 | goto INIT_FAIL; | |
1034 | ||
1035 | for (i = 0; i <= (int)(chip->max_lun); i++) { | |
151d9fad | 1036 | retval = rts51x_check_status(us, (u8) i); |
50a6cb93 | 1037 | if (retval < 0) |
1038 | goto INIT_FAIL; | |
1039 | } | |
1040 | ||
1041 | if (CHECK_FW_VER(chip, 0x5888) || CHECK_FW_VER(chip, 0x5889) || | |
151d9fad | 1042 | CHECK_FW_VER(chip, 0x5901)) |
50a6cb93 | 1043 | SET_AUTO_DELINK(chip); |
1044 | if (STATUS_LEN(chip) == 16) { | |
1045 | if (SUPPORT_AUTO_DELINK(chip)) | |
1046 | SET_AUTO_DELINK(chip); | |
1047 | } | |
e931830b | 1048 | #ifdef CONFIG_REALTEK_AUTOPM |
1049 | if (ss_en) { | |
1050 | chip->us = us; | |
1051 | realtek_cr_autosuspend_setup(us); | |
1052 | } | |
1053 | #endif | |
50a6cb93 | 1054 | |
1055 | US_DEBUGP("chip->flag = 0x%x\n", chip->flag); | |
1056 | ||
1057 | (void)config_autodelink_after_power_on(us); | |
1058 | ||
1059 | return 0; | |
1060 | ||
1061 | INIT_FAIL: | |
1062 | if (us->extra) { | |
1063 | kfree(chip->status); | |
1064 | kfree(us->extra); | |
1065 | us->extra = NULL; | |
1066 | } | |
1067 | ||
1068 | return -EIO; | |
1069 | } | |
1070 | ||
1071 | static int realtek_cr_probe(struct usb_interface *intf, | |
151d9fad | 1072 | const struct usb_device_id *id) |
50a6cb93 | 1073 | { |
1074 | struct us_data *us; | |
1075 | int result; | |
1076 | ||
1077 | US_DEBUGP("Probe Realtek Card Reader!\n"); | |
1078 | ||
1079 | result = usb_stor_probe1(&us, intf, id, | |
151d9fad | 1080 | (id - realtek_cr_ids) + |
1081 | realtek_cr_unusual_dev_list); | |
50a6cb93 | 1082 | if (result) |
1083 | return result; | |
1084 | ||
1085 | result = usb_stor_probe2(us); | |
151d9fad | 1086 | |
50a6cb93 | 1087 | return result; |
1088 | } | |
1089 | ||
1090 | static struct usb_driver realtek_cr_driver = { | |
151d9fad | 1091 | .name = "ums-realtek", |
1092 | .probe = realtek_cr_probe, | |
1093 | .disconnect = usb_stor_disconnect, | |
e931830b | 1094 | /* .suspend = usb_stor_suspend, */ |
1095 | /* .resume = usb_stor_resume, */ | |
151d9fad | 1096 | .reset_resume = usb_stor_reset_resume, |
e931830b | 1097 | .suspend = realtek_cr_suspend, |
1098 | .resume = realtek_cr_resume, | |
151d9fad | 1099 | .pre_reset = usb_stor_pre_reset, |
1100 | .post_reset = usb_stor_post_reset, | |
1101 | .id_table = realtek_cr_ids, | |
1102 | .soft_unbind = 1, | |
e931830b | 1103 | .supports_autosuspend = 1, |
50a6cb93 | 1104 | }; |
1105 | ||
1106 | static int __init realtek_cr_init(void) | |
1107 | { | |
1108 | return usb_register(&realtek_cr_driver); | |
1109 | } | |
1110 | ||
1111 | static void __exit realtek_cr_exit(void) | |
1112 | { | |
1113 | usb_deregister(&realtek_cr_driver); | |
1114 | } | |
1115 | ||
1116 | module_init(realtek_cr_init); | |
1117 | module_exit(realtek_cr_exit); |