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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; |
e931830b | 108 | struct us_data *us; |
1c9e55cd WW |
109 | |
110 | #ifdef CONFIG_REALTEK_AUTOPM | |
e931830b | 111 | struct timer_list rts51x_suspend_timer; |
112 | unsigned long timer_expires; | |
113 | int pwr_state; | |
114 | u8 lun_ready; | |
115 | enum RTS51X_STAT state; | |
116 | int support_auto_delink; | |
117 | #endif | |
118 | /* used to back up the protocal choosen in probe1 phase */ | |
119 | proto_cmnd proto_handler_backup; | |
50a6cb93 | 120 | }; |
121 | ||
122 | /* flag definition */ | |
123 | #define FLIDX_AUTO_DELINK 0x01 | |
124 | ||
125 | #define SCSI_LUN(srb) ((srb)->device->lun) | |
126 | ||
127 | /* Bit Operation */ | |
128 | #define SET_BIT(data, idx) ((data) |= 1 << (idx)) | |
129 | #define CLR_BIT(data, idx) ((data) &= ~(1 << (idx))) | |
130 | #define CHK_BIT(data, idx) ((data) & (1 << (idx))) | |
131 | ||
132 | #define SET_AUTO_DELINK(chip) ((chip)->flag |= FLIDX_AUTO_DELINK) | |
133 | #define CLR_AUTO_DELINK(chip) ((chip)->flag &= ~FLIDX_AUTO_DELINK) | |
134 | #define CHK_AUTO_DELINK(chip) ((chip)->flag & FLIDX_AUTO_DELINK) | |
135 | ||
136 | #define RTS51X_GET_VID(chip) ((chip)->vendor_id) | |
137 | #define RTS51X_GET_PID(chip) ((chip)->product_id) | |
138 | ||
e931830b | 139 | #define VENDOR_ID(chip) ((chip)->status[0].vid) |
140 | #define PRODUCT_ID(chip) ((chip)->status[0].pid) | |
50a6cb93 | 141 | #define FW_VERSION(chip) ((chip)->status[0].fw_ver) |
142 | #define STATUS_LEN(chip) ((chip)->status_len) | |
143 | ||
e931830b | 144 | #define STATUS_SUCCESS 0 |
145 | #define STATUS_FAIL 1 | |
146 | ||
50a6cb93 | 147 | /* Check card reader function */ |
148 | #define SUPPORT_DETAILED_TYPE1(chip) \ | |
149 | CHK_BIT((chip)->status[0].function[0], 1) | |
150 | #define SUPPORT_OT(chip) \ | |
151 | CHK_BIT((chip)->status[0].function[0], 2) | |
152 | #define SUPPORT_OC(chip) \ | |
153 | CHK_BIT((chip)->status[0].function[0], 3) | |
154 | #define SUPPORT_AUTO_DELINK(chip) \ | |
155 | CHK_BIT((chip)->status[0].function[0], 4) | |
156 | #define SUPPORT_SDIO(chip) \ | |
157 | CHK_BIT((chip)->status[0].function[1], 0) | |
158 | #define SUPPORT_DETAILED_TYPE2(chip) \ | |
159 | CHK_BIT((chip)->status[0].function[1], 1) | |
160 | ||
161 | #define CHECK_PID(chip, pid) (RTS51X_GET_PID(chip) == (pid)) | |
162 | #define CHECK_FW_VER(chip, fw_ver) (FW_VERSION(chip) == (fw_ver)) | |
163 | #define CHECK_ID(chip, pid, fw_ver) \ | |
164 | (CHECK_PID((chip), (pid)) && CHECK_FW_VER((chip), (fw_ver))) | |
165 | ||
50a6cb93 | 166 | static int init_realtek_cr(struct us_data *us); |
167 | ||
168 | /* | |
169 | * The table of devices | |
170 | */ | |
171 | #define UNUSUAL_DEV(id_vendor, id_product, bcdDeviceMin, bcdDeviceMax, \ | |
172 | vendorName, productName, useProtocol, useTransport, \ | |
173 | initFunction, flags) \ | |
174 | {\ | |
175 | USB_DEVICE_VER(id_vendor, id_product, bcdDeviceMin, bcdDeviceMax), \ | |
f61870ee | 176 | .driver_info = (flags) \ |
50a6cb93 | 177 | } |
178 | ||
8a9e658a | 179 | static const struct usb_device_id realtek_cr_ids[] = { |
50a6cb93 | 180 | # include "unusual_realtek.h" |
151d9fad | 181 | {} /* Terminating entry */ |
50a6cb93 | 182 | }; |
151d9fad | 183 | |
50a6cb93 | 184 | MODULE_DEVICE_TABLE(usb, realtek_cr_ids); |
185 | ||
186 | #undef UNUSUAL_DEV | |
187 | ||
188 | /* | |
189 | * The flags table | |
190 | */ | |
191 | #define UNUSUAL_DEV(idVendor, idProduct, bcdDeviceMin, bcdDeviceMax, \ | |
192 | vendor_name, product_name, use_protocol, use_transport, \ | |
193 | init_function, Flags) \ | |
194 | { \ | |
195 | .vendorName = vendor_name, \ | |
196 | .productName = product_name, \ | |
197 | .useProtocol = use_protocol, \ | |
198 | .useTransport = use_transport, \ | |
199 | .initFunction = init_function, \ | |
200 | } | |
201 | ||
202 | static struct us_unusual_dev realtek_cr_unusual_dev_list[] = { | |
203 | # include "unusual_realtek.h" | |
151d9fad | 204 | {} /* Terminating entry */ |
50a6cb93 | 205 | }; |
206 | ||
207 | #undef UNUSUAL_DEV | |
208 | ||
209 | static int rts51x_bulk_transport(struct us_data *us, u8 lun, | |
210 | u8 *cmd, int cmd_len, u8 *buf, int buf_len, | |
211 | enum dma_data_direction dir, int *act_len) | |
212 | { | |
151d9fad | 213 | struct bulk_cb_wrap *bcb = (struct bulk_cb_wrap *)us->iobuf; |
214 | struct bulk_cs_wrap *bcs = (struct bulk_cs_wrap *)us->iobuf; | |
50a6cb93 | 215 | int result; |
216 | unsigned int residue; | |
217 | unsigned int cswlen; | |
218 | unsigned int cbwlen = US_BULK_CB_WRAP_LEN; | |
219 | ||
220 | /* set up the command wrapper */ | |
221 | bcb->Signature = cpu_to_le32(US_BULK_CB_SIGN); | |
222 | bcb->DataTransferLength = cpu_to_le32(buf_len); | |
b8db6d64 | 223 | bcb->Flags = (dir == DMA_FROM_DEVICE) ? US_BULK_FLAG_IN : 0; |
50a6cb93 | 224 | bcb->Tag = ++us->tag; |
225 | bcb->Lun = lun; | |
226 | bcb->Length = cmd_len; | |
227 | ||
228 | /* copy the command payload */ | |
229 | memset(bcb->CDB, 0, sizeof(bcb->CDB)); | |
230 | memcpy(bcb->CDB, cmd, bcb->Length); | |
231 | ||
232 | /* send it to out endpoint */ | |
233 | result = usb_stor_bulk_transfer_buf(us, us->send_bulk_pipe, | |
151d9fad | 234 | bcb, cbwlen, NULL); |
50a6cb93 | 235 | if (result != USB_STOR_XFER_GOOD) |
236 | return USB_STOR_TRANSPORT_ERROR; | |
237 | ||
238 | /* DATA STAGE */ | |
239 | /* send/receive data payload, if there is any */ | |
240 | ||
241 | if (buf && buf_len) { | |
242 | unsigned int pipe = (dir == DMA_FROM_DEVICE) ? | |
151d9fad | 243 | us->recv_bulk_pipe : us->send_bulk_pipe; |
50a6cb93 | 244 | result = usb_stor_bulk_transfer_buf(us, pipe, |
151d9fad | 245 | buf, buf_len, NULL); |
50a6cb93 | 246 | if (result == USB_STOR_XFER_ERROR) |
247 | return USB_STOR_TRANSPORT_ERROR; | |
248 | } | |
249 | ||
250 | /* get CSW for device status */ | |
251 | result = usb_stor_bulk_transfer_buf(us, us->recv_bulk_pipe, | |
151d9fad | 252 | bcs, US_BULK_CS_WRAP_LEN, &cswlen); |
50a6cb93 | 253 | if (result != USB_STOR_XFER_GOOD) |
254 | return USB_STOR_TRANSPORT_ERROR; | |
255 | ||
256 | /* check bulk status */ | |
257 | if (bcs->Signature != cpu_to_le32(US_BULK_CS_SIGN)) { | |
191648d0 JP |
258 | usb_stor_dbg(us, "Signature mismatch: got %08X, expecting %08X\n", |
259 | le32_to_cpu(bcs->Signature), US_BULK_CS_SIGN); | |
50a6cb93 | 260 | return USB_STOR_TRANSPORT_ERROR; |
261 | } | |
262 | ||
263 | residue = bcs->Residue; | |
264 | if (bcs->Tag != us->tag) | |
265 | return USB_STOR_TRANSPORT_ERROR; | |
266 | ||
267 | /* try to compute the actual residue, based on how much data | |
268 | * was really transferred and what the device tells us */ | |
269 | if (residue) | |
270 | residue = residue < buf_len ? residue : buf_len; | |
271 | ||
272 | if (act_len) | |
273 | *act_len = buf_len - residue; | |
274 | ||
275 | /* based on the status code, we report good or bad */ | |
276 | switch (bcs->Status) { | |
277 | case US_BULK_STAT_OK: | |
278 | /* command good -- note that data could be short */ | |
279 | return USB_STOR_TRANSPORT_GOOD; | |
280 | ||
281 | case US_BULK_STAT_FAIL: | |
282 | /* command failed */ | |
283 | return USB_STOR_TRANSPORT_FAILED; | |
284 | ||
285 | case US_BULK_STAT_PHASE: | |
286 | /* phase error -- note that a transport reset will be | |
151d9fad | 287 | * invoked by the invoke_transport() function |
288 | */ | |
50a6cb93 | 289 | return USB_STOR_TRANSPORT_ERROR; |
290 | } | |
291 | ||
292 | /* we should never get here, but if we do, we're in trouble */ | |
293 | return USB_STOR_TRANSPORT_ERROR; | |
294 | } | |
295 | ||
45e1892e | 296 | static int rts51x_bulk_transport_special(struct us_data *us, u8 lun, |
297 | u8 *cmd, int cmd_len, u8 *buf, int buf_len, | |
298 | enum dma_data_direction dir, int *act_len) | |
299 | { | |
300 | struct bulk_cb_wrap *bcb = (struct bulk_cb_wrap *) us->iobuf; | |
301 | struct bulk_cs_wrap *bcs = (struct bulk_cs_wrap *) us->iobuf; | |
302 | int result; | |
303 | unsigned int cswlen; | |
304 | unsigned int cbwlen = US_BULK_CB_WRAP_LEN; | |
305 | ||
306 | /* set up the command wrapper */ | |
307 | bcb->Signature = cpu_to_le32(US_BULK_CB_SIGN); | |
308 | bcb->DataTransferLength = cpu_to_le32(buf_len); | |
b8db6d64 | 309 | bcb->Flags = (dir == DMA_FROM_DEVICE) ? US_BULK_FLAG_IN : 0; |
45e1892e | 310 | bcb->Tag = ++us->tag; |
311 | bcb->Lun = lun; | |
312 | bcb->Length = cmd_len; | |
313 | ||
314 | /* copy the command payload */ | |
315 | memset(bcb->CDB, 0, sizeof(bcb->CDB)); | |
316 | memcpy(bcb->CDB, cmd, bcb->Length); | |
317 | ||
318 | /* send it to out endpoint */ | |
319 | result = usb_stor_bulk_transfer_buf(us, us->send_bulk_pipe, | |
320 | bcb, cbwlen, NULL); | |
321 | if (result != USB_STOR_XFER_GOOD) | |
322 | return USB_STOR_TRANSPORT_ERROR; | |
323 | ||
324 | /* DATA STAGE */ | |
325 | /* send/receive data payload, if there is any */ | |
326 | ||
327 | if (buf && buf_len) { | |
328 | unsigned int pipe = (dir == DMA_FROM_DEVICE) ? | |
329 | us->recv_bulk_pipe : us->send_bulk_pipe; | |
330 | result = usb_stor_bulk_transfer_buf(us, pipe, | |
331 | buf, buf_len, NULL); | |
332 | if (result == USB_STOR_XFER_ERROR) | |
333 | return USB_STOR_TRANSPORT_ERROR; | |
334 | } | |
335 | ||
336 | /* get CSW for device status */ | |
337 | result = usb_bulk_msg(us->pusb_dev, us->recv_bulk_pipe, bcs, | |
338 | US_BULK_CS_WRAP_LEN, &cswlen, 250); | |
339 | return result; | |
340 | } | |
341 | ||
50a6cb93 | 342 | /* Determine what the maximum LUN supported is */ |
343 | static int rts51x_get_max_lun(struct us_data *us) | |
344 | { | |
345 | int result; | |
346 | ||
347 | /* issue the command */ | |
348 | us->iobuf[0] = 0; | |
349 | result = usb_stor_control_msg(us, us->recv_ctrl_pipe, | |
151d9fad | 350 | US_BULK_GET_MAX_LUN, |
351 | USB_DIR_IN | USB_TYPE_CLASS | | |
352 | USB_RECIP_INTERFACE, | |
353 | 0, us->ifnum, us->iobuf, 1, 10 * HZ); | |
50a6cb93 | 354 | |
191648d0 JP |
355 | usb_stor_dbg(us, "GetMaxLUN command result is %d, data is %d\n", |
356 | result, us->iobuf[0]); | |
50a6cb93 | 357 | |
358 | /* if we have a successful request, return the result */ | |
359 | if (result > 0) | |
360 | return us->iobuf[0]; | |
361 | ||
362 | return 0; | |
363 | } | |
364 | ||
365 | static int rts51x_read_mem(struct us_data *us, u16 addr, u8 *data, u16 len) | |
366 | { | |
367 | int retval; | |
151d9fad | 368 | u8 cmnd[12] = { 0 }; |
065e6096 AC |
369 | u8 *buf; |
370 | ||
371 | buf = kmalloc(len, GFP_NOIO); | |
372 | if (buf == NULL) | |
373 | return USB_STOR_TRANSPORT_ERROR; | |
50a6cb93 | 374 | |
191648d0 | 375 | usb_stor_dbg(us, "addr = 0x%x, len = %d\n", addr, len); |
50a6cb93 | 376 | |
377 | cmnd[0] = 0xF0; | |
378 | cmnd[1] = 0x0D; | |
151d9fad | 379 | cmnd[2] = (u8) (addr >> 8); |
380 | cmnd[3] = (u8) addr; | |
381 | cmnd[4] = (u8) (len >> 8); | |
382 | cmnd[5] = (u8) len; | |
50a6cb93 | 383 | |
384 | retval = rts51x_bulk_transport(us, 0, cmnd, 12, | |
065e6096 AC |
385 | buf, len, DMA_FROM_DEVICE, NULL); |
386 | if (retval != USB_STOR_TRANSPORT_GOOD) { | |
387 | kfree(buf); | |
50a6cb93 | 388 | return -EIO; |
065e6096 | 389 | } |
50a6cb93 | 390 | |
065e6096 AC |
391 | memcpy(data, buf, len); |
392 | kfree(buf); | |
50a6cb93 | 393 | return 0; |
394 | } | |
395 | ||
396 | static int rts51x_write_mem(struct us_data *us, u16 addr, u8 *data, u16 len) | |
397 | { | |
398 | int retval; | |
151d9fad | 399 | u8 cmnd[12] = { 0 }; |
065e6096 AC |
400 | u8 *buf; |
401 | ||
eb545522 | 402 | buf = kmemdup(data, len, GFP_NOIO); |
065e6096 AC |
403 | if (buf == NULL) |
404 | return USB_STOR_TRANSPORT_ERROR; | |
50a6cb93 | 405 | |
191648d0 | 406 | usb_stor_dbg(us, "addr = 0x%x, len = %d\n", addr, len); |
50a6cb93 | 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 | |
191648d0 | 435 | usb_stor_dbg(us, "lun = %d\n", lun); |
50a6cb93 | 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)); | |
806df3ac | 459 | if (retval != STATUS_SUCCESS) |
50a6cb93 | 460 | return -EIO; |
461 | ||
191648d0 | 462 | usb_stor_dbg(us, "chip->status_len = %d\n", chip->status_len); |
50a6cb93 | 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}; |
4898e071 | 511 | u8 *buf; |
45e1892e | 512 | |
191648d0 | 513 | usb_stor_dbg(us, "addr = 0xfe47, len = %d\n", len); |
45e1892e | 514 | |
4898e071 | 515 | buf = kmemdup(data, len, GFP_NOIO); |
516 | if (!buf) | |
517 | return USB_STOR_TRANSPORT_ERROR; | |
518 | ||
45e1892e | 519 | cmnd[0] = 0xF0; |
520 | cmnd[1] = 0x0E; | |
d762ad47 FB |
521 | cmnd[2] = 0xfe; |
522 | cmnd[3] = 0x47; | |
45e1892e | 523 | cmnd[4] = (u8)(len >> 8); |
524 | cmnd[5] = (u8)len; | |
525 | ||
4898e071 | 526 | retval = rts51x_bulk_transport_special(us, 0, cmnd, 12, buf, len, DMA_TO_DEVICE, NULL); |
527 | kfree(buf); | |
45e1892e | 528 | if (retval != USB_STOR_TRANSPORT_GOOD) { |
529 | return -EIO; | |
530 | } | |
531 | ||
532 | return 0; | |
533 | } | |
534 | ||
50a6cb93 | 535 | static int do_config_autodelink(struct us_data *us, int enable, int force) |
536 | { | |
537 | int retval; | |
538 | u8 value; | |
539 | ||
540 | retval = rts51x_read_mem(us, 0xFE47, &value, 1); | |
541 | if (retval < 0) | |
542 | return -EIO; | |
543 | ||
544 | if (enable) { | |
545 | if (force) | |
546 | value |= 0x03; | |
547 | else | |
548 | value |= 0x01; | |
549 | } else { | |
550 | value &= ~0x03; | |
551 | } | |
552 | ||
191648d0 | 553 | usb_stor_dbg(us, "set 0xfe47 to 0x%x\n", value); |
50a6cb93 | 554 | |
45e1892e | 555 | /* retval = rts51x_write_mem(us, 0xFE47, &value, 1); */ |
556 | retval = __do_config_autodelink(us, &value, 1); | |
50a6cb93 | 557 | if (retval < 0) |
558 | return -EIO; | |
559 | ||
560 | return 0; | |
561 | } | |
562 | ||
563 | static int config_autodelink_after_power_on(struct us_data *us) | |
564 | { | |
565 | struct rts51x_chip *chip = (struct rts51x_chip *)(us->extra); | |
566 | int retval; | |
567 | u8 value; | |
568 | ||
569 | if (!CHK_AUTO_DELINK(chip)) | |
570 | return 0; | |
571 | ||
572 | retval = rts51x_read_mem(us, 0xFE47, &value, 1); | |
573 | if (retval < 0) | |
574 | return -EIO; | |
575 | ||
576 | if (auto_delink_en) { | |
577 | CLR_BIT(value, 0); | |
578 | CLR_BIT(value, 1); | |
579 | SET_BIT(value, 2); | |
580 | ||
581 | if (CHECK_ID(chip, 0x0138, 0x3882)) | |
582 | CLR_BIT(value, 2); | |
583 | ||
584 | SET_BIT(value, 7); | |
585 | ||
45e1892e | 586 | /* retval = rts51x_write_mem(us, 0xFE47, &value, 1); */ |
587 | retval = __do_config_autodelink(us, &value, 1); | |
50a6cb93 | 588 | if (retval < 0) |
589 | return -EIO; | |
590 | ||
591 | retval = enable_oscillator(us); | |
592 | if (retval == 0) | |
593 | (void)do_config_autodelink(us, 1, 0); | |
594 | } else { | |
595 | /* Autodelink controlled by firmware */ | |
596 | ||
597 | SET_BIT(value, 2); | |
598 | ||
599 | if (CHECK_ID(chip, 0x0138, 0x3882)) | |
600 | CLR_BIT(value, 2); | |
601 | ||
602 | if (CHECK_ID(chip, 0x0159, 0x5889) || | |
151d9fad | 603 | CHECK_ID(chip, 0x0138, 0x3880)) { |
50a6cb93 | 604 | CLR_BIT(value, 0); |
605 | CLR_BIT(value, 7); | |
606 | } | |
607 | ||
45e1892e | 608 | /* retval = rts51x_write_mem(us, 0xFE47, &value, 1); */ |
609 | retval = __do_config_autodelink(us, &value, 1); | |
50a6cb93 | 610 | if (retval < 0) |
611 | return -EIO; | |
612 | ||
613 | if (CHECK_ID(chip, 0x0159, 0x5888)) { | |
614 | value = 0xFF; | |
615 | retval = rts51x_write_mem(us, 0xFE79, &value, 1); | |
616 | if (retval < 0) | |
617 | return -EIO; | |
618 | ||
619 | value = 0x01; | |
620 | retval = rts51x_write_mem(us, 0x48, &value, 1); | |
621 | if (retval < 0) | |
622 | return -EIO; | |
623 | } | |
624 | } | |
625 | ||
626 | return 0; | |
627 | } | |
628 | ||
629 | static int config_autodelink_before_power_down(struct us_data *us) | |
630 | { | |
631 | struct rts51x_chip *chip = (struct rts51x_chip *)(us->extra); | |
632 | int retval; | |
633 | u8 value; | |
634 | ||
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 | return 0; |
697 | } | |
698 | ||
699 | static void fw5895_init(struct us_data *us) | |
700 | { | |
701 | struct rts51x_chip *chip = (struct rts51x_chip *)(us->extra); | |
702 | int retval; | |
703 | u8 val; | |
704 | ||
e931830b | 705 | if ((PRODUCT_ID(chip) != 0x0158) || (FW_VERSION(chip) != 0x5895)) { |
191648d0 | 706 | usb_stor_dbg(us, "Not the specified device, return immediately!\n"); |
e931830b | 707 | } else { |
708 | retval = rts51x_read_mem(us, 0xFD6F, &val, 1); | |
709 | if (retval == STATUS_SUCCESS && (val & 0x1F) == 0) { | |
710 | val = 0x1F; | |
711 | retval = rts51x_write_mem(us, 0xFD70, &val, 1); | |
712 | if (retval != STATUS_SUCCESS) | |
191648d0 | 713 | usb_stor_dbg(us, "Write memory fail\n"); |
e931830b | 714 | } else { |
191648d0 | 715 | usb_stor_dbg(us, "Read memory fail, OR (val & 0x1F) != 0\n"); |
e931830b | 716 | } |
717 | } | |
e931830b | 718 | } |
719 | ||
720 | #ifdef CONFIG_REALTEK_AUTOPM | |
721 | static void fw5895_set_mmc_wp(struct us_data *us) | |
722 | { | |
723 | struct rts51x_chip *chip = (struct rts51x_chip *)(us->extra); | |
724 | int retval; | |
725 | u8 buf[13]; | |
726 | ||
e931830b | 727 | if ((PRODUCT_ID(chip) != 0x0158) || (FW_VERSION(chip) != 0x5895)) { |
191648d0 | 728 | usb_stor_dbg(us, "Not the specified device, return immediately!\n"); |
e931830b | 729 | } else { |
730 | retval = rts51x_read_mem(us, 0xFD6F, buf, 1); | |
731 | if (retval == STATUS_SUCCESS && (buf[0] & 0x24) == 0x24) { | |
732 | /* SD Exist and SD WP */ | |
733 | retval = rts51x_read_mem(us, 0xD04E, buf, 1); | |
734 | if (retval == STATUS_SUCCESS) { | |
735 | buf[0] |= 0x04; | |
736 | retval = rts51x_write_mem(us, 0xFD70, buf, 1); | |
737 | if (retval != STATUS_SUCCESS) | |
191648d0 | 738 | usb_stor_dbg(us, "Write memory fail\n"); |
e931830b | 739 | } else { |
191648d0 | 740 | usb_stor_dbg(us, "Read memory fail\n"); |
e931830b | 741 | } |
742 | } else { | |
191648d0 | 743 | usb_stor_dbg(us, "Read memory fail, OR (buf[0]&0x24)!=0x24\n"); |
e931830b | 744 | } |
745 | } | |
e931830b | 746 | } |
747 | ||
748 | static void rts51x_modi_suspend_timer(struct rts51x_chip *chip) | |
749 | { | |
191648d0 JP |
750 | struct us_data *us = chip->us; |
751 | ||
752 | usb_stor_dbg(us, "state:%d\n", rts51x_get_stat(chip)); | |
e931830b | 753 | |
754 | chip->timer_expires = jiffies + msecs_to_jiffies(1000*ss_delay); | |
755 | mod_timer(&chip->rts51x_suspend_timer, chip->timer_expires); | |
e931830b | 756 | } |
757 | ||
758 | static void rts51x_suspend_timer_fn(unsigned long data) | |
759 | { | |
760 | struct rts51x_chip *chip = (struct rts51x_chip *)data; | |
761 | struct us_data *us = chip->us; | |
762 | ||
e931830b | 763 | switch (rts51x_get_stat(chip)) { |
764 | case RTS51X_STAT_INIT: | |
765 | case RTS51X_STAT_RUN: | |
766 | rts51x_modi_suspend_timer(chip); | |
767 | break; | |
768 | case RTS51X_STAT_IDLE: | |
769 | case RTS51X_STAT_SS: | |
191648d0 JP |
770 | usb_stor_dbg(us, "RTS51X_STAT_SS, intf->pm_usage_cnt:%d, power.usage:%d\n", |
771 | atomic_read(&us->pusb_intf->pm_usage_cnt), | |
772 | atomic_read(&us->pusb_intf->dev.power.usage_count)); | |
e931830b | 773 | |
774 | if (atomic_read(&us->pusb_intf->pm_usage_cnt) > 0) { | |
191648d0 | 775 | usb_stor_dbg(us, "Ready to enter SS state\n"); |
e931830b | 776 | rts51x_set_stat(chip, RTS51X_STAT_SS); |
777 | /* ignore mass storage interface's children */ | |
778 | pm_suspend_ignore_children(&us->pusb_intf->dev, true); | |
b3ef051d | 779 | usb_autopm_put_interface_async(us->pusb_intf); |
191648d0 JP |
780 | usb_stor_dbg(us, "RTS51X_STAT_SS 01, intf->pm_usage_cnt:%d, power.usage:%d\n", |
781 | atomic_read(&us->pusb_intf->pm_usage_cnt), | |
782 | atomic_read(&us->pusb_intf->dev.power.usage_count)); | |
e931830b | 783 | } |
784 | break; | |
785 | default: | |
191648d0 | 786 | usb_stor_dbg(us, "Unknown state !!!\n"); |
e931830b | 787 | break; |
788 | } | |
e931830b | 789 | } |
790 | ||
791 | static inline int working_scsi(struct scsi_cmnd *srb) | |
792 | { | |
793 | if ((srb->cmnd[0] == TEST_UNIT_READY) || | |
794 | (srb->cmnd[0] == ALLOW_MEDIUM_REMOVAL)) { | |
795 | return 0; | |
796 | } | |
797 | ||
798 | return 1; | |
799 | } | |
800 | ||
d762ad47 | 801 | static void rts51x_invoke_transport(struct scsi_cmnd *srb, struct us_data *us) |
e931830b | 802 | { |
803 | struct rts51x_chip *chip = (struct rts51x_chip *)(us->extra); | |
804 | static int card_first_show = 1; | |
805 | static u8 media_not_present[] = { 0x70, 0, 0x02, 0, 0, 0, 0, | |
806 | 10, 0, 0, 0, 0, 0x3A, 0, 0, 0, 0, 0 | |
807 | }; | |
808 | static u8 invalid_cmd_field[] = { 0x70, 0, 0x05, 0, 0, 0, 0, | |
809 | 10, 0, 0, 0, 0, 0x24, 0, 0, 0, 0, 0 | |
810 | }; | |
811 | int ret; | |
812 | ||
e931830b | 813 | if (working_scsi(srb)) { |
191648d0 JP |
814 | usb_stor_dbg(us, "working scsi, intf->pm_usage_cnt:%d, power.usage:%d\n", |
815 | atomic_read(&us->pusb_intf->pm_usage_cnt), | |
816 | atomic_read(&us->pusb_intf->dev.power.usage_count)); | |
e931830b | 817 | |
818 | if (atomic_read(&us->pusb_intf->pm_usage_cnt) <= 0) { | |
819 | ret = usb_autopm_get_interface(us->pusb_intf); | |
191648d0 | 820 | usb_stor_dbg(us, "working scsi, ret=%d\n", ret); |
e931830b | 821 | } |
822 | if (rts51x_get_stat(chip) != RTS51X_STAT_RUN) | |
823 | rts51x_set_stat(chip, RTS51X_STAT_RUN); | |
824 | chip->proto_handler_backup(srb, us); | |
825 | } else { | |
826 | if (rts51x_get_stat(chip) == RTS51X_STAT_SS) { | |
191648d0 | 827 | usb_stor_dbg(us, "NOT working scsi\n"); |
e931830b | 828 | if ((srb->cmnd[0] == TEST_UNIT_READY) && |
829 | (chip->pwr_state == US_SUSPEND)) { | |
830 | if (TST_LUN_READY(chip, srb->device->lun)) { | |
831 | srb->result = SAM_STAT_GOOD; | |
832 | } else { | |
833 | srb->result = SAM_STAT_CHECK_CONDITION; | |
834 | memcpy(srb->sense_buffer, | |
835 | media_not_present, | |
836 | US_SENSE_SIZE); | |
837 | } | |
191648d0 | 838 | usb_stor_dbg(us, "TEST_UNIT_READY\n"); |
e931830b | 839 | goto out; |
840 | } | |
841 | if (srb->cmnd[0] == ALLOW_MEDIUM_REMOVAL) { | |
842 | int prevent = srb->cmnd[4] & 0x1; | |
843 | if (prevent) { | |
844 | srb->result = SAM_STAT_CHECK_CONDITION; | |
845 | memcpy(srb->sense_buffer, | |
846 | invalid_cmd_field, | |
847 | US_SENSE_SIZE); | |
848 | } else { | |
849 | srb->result = SAM_STAT_GOOD; | |
850 | } | |
191648d0 | 851 | usb_stor_dbg(us, "ALLOW_MEDIUM_REMOVAL\n"); |
e931830b | 852 | goto out; |
853 | } | |
854 | } else { | |
191648d0 | 855 | usb_stor_dbg(us, "NOT working scsi, not SS\n"); |
e931830b | 856 | chip->proto_handler_backup(srb, us); |
48fc7f7e | 857 | /* Check whether card is plugged in */ |
e931830b | 858 | if (srb->cmnd[0] == TEST_UNIT_READY) { |
859 | if (srb->result == SAM_STAT_GOOD) { | |
860 | SET_LUN_READY(chip, srb->device->lun); | |
861 | if (card_first_show) { | |
862 | card_first_show = 0; | |
863 | fw5895_set_mmc_wp(us); | |
864 | } | |
865 | } else { | |
866 | CLR_LUN_READY(chip, srb->device->lun); | |
867 | card_first_show = 1; | |
868 | } | |
869 | } | |
870 | if (rts51x_get_stat(chip) != RTS51X_STAT_IDLE) | |
871 | rts51x_set_stat(chip, RTS51X_STAT_IDLE); | |
872 | } | |
873 | } | |
874 | out: | |
191648d0 | 875 | usb_stor_dbg(us, "state:%d\n", rts51x_get_stat(chip)); |
e931830b | 876 | if (rts51x_get_stat(chip) == RTS51X_STAT_RUN) |
877 | rts51x_modi_suspend_timer(chip); | |
e931830b | 878 | } |
879 | ||
880 | static int realtek_cr_autosuspend_setup(struct us_data *us) | |
881 | { | |
882 | struct rts51x_chip *chip; | |
883 | struct rts51x_status *status = NULL; | |
884 | u8 buf[16]; | |
885 | int retval; | |
886 | ||
887 | chip = (struct rts51x_chip *)us->extra; | |
888 | chip->support_auto_delink = 0; | |
889 | chip->pwr_state = US_RESUME; | |
890 | chip->lun_ready = 0; | |
891 | rts51x_set_stat(chip, RTS51X_STAT_INIT); | |
892 | ||
893 | retval = rts51x_read_status(us, 0, buf, 16, &(chip->status_len)); | |
894 | if (retval != STATUS_SUCCESS) { | |
191648d0 | 895 | usb_stor_dbg(us, "Read status fail\n"); |
e931830b | 896 | return -EIO; |
897 | } | |
898 | status = chip->status; | |
899 | status->vid = ((u16) buf[0] << 8) | buf[1]; | |
900 | status->pid = ((u16) buf[2] << 8) | buf[3]; | |
901 | status->cur_lun = buf[4]; | |
902 | status->card_type = buf[5]; | |
903 | status->total_lun = buf[6]; | |
904 | status->fw_ver = ((u16) buf[7] << 8) | buf[8]; | |
905 | status->phy_exist = buf[9]; | |
906 | status->multi_flag = buf[10]; | |
907 | status->multi_card = buf[11]; | |
908 | status->log_exist = buf[12]; | |
909 | if (chip->status_len == 16) { | |
910 | status->detailed_type.detailed_type1 = buf[13]; | |
911 | status->function[0] = buf[14]; | |
912 | status->function[1] = buf[15]; | |
913 | } | |
914 | ||
915 | /* back up the proto_handler in us->extra */ | |
916 | chip = (struct rts51x_chip *)(us->extra); | |
917 | chip->proto_handler_backup = us->proto_handler; | |
918 | /* Set the autosuspend_delay to 0 */ | |
919 | pm_runtime_set_autosuspend_delay(&us->pusb_dev->dev, 0); | |
920 | /* override us->proto_handler setted in get_protocol() */ | |
921 | us->proto_handler = rts51x_invoke_transport; | |
922 | ||
923 | chip->timer_expires = 0; | |
924 | setup_timer(&chip->rts51x_suspend_timer, rts51x_suspend_timer_fn, | |
925 | (unsigned long)chip); | |
926 | fw5895_init(us); | |
927 | ||
928 | /* enable autosuspend funciton of the usb device */ | |
929 | usb_enable_autosuspend(us->pusb_dev); | |
930 | ||
50a6cb93 | 931 | return 0; |
932 | } | |
e931830b | 933 | #endif |
50a6cb93 | 934 | |
935 | static void realtek_cr_destructor(void *extra) | |
936 | { | |
677a0b5a | 937 | struct rts51x_chip *chip = extra; |
e931830b | 938 | |
50a6cb93 | 939 | if (!chip) |
940 | return; | |
191648d0 | 941 | |
e931830b | 942 | #ifdef CONFIG_REALTEK_AUTOPM |
943 | if (ss_en) { | |
944 | del_timer(&chip->rts51x_suspend_timer); | |
945 | chip->timer_expires = 0; | |
946 | } | |
947 | #endif | |
50a6cb93 | 948 | kfree(chip->status); |
949 | } | |
950 | ||
951 | #ifdef CONFIG_PM | |
d762ad47 | 952 | static int realtek_cr_suspend(struct usb_interface *iface, pm_message_t message) |
50a6cb93 | 953 | { |
e931830b | 954 | struct us_data *us = usb_get_intfdata(iface); |
955 | ||
e931830b | 956 | /* wait until no command is running */ |
957 | mutex_lock(&us->dev_mutex); | |
958 | ||
959 | config_autodelink_before_power_down(us); | |
960 | ||
961 | mutex_unlock(&us->dev_mutex); | |
962 | ||
e931830b | 963 | return 0; |
50a6cb93 | 964 | } |
e931830b | 965 | |
966 | static int realtek_cr_resume(struct usb_interface *iface) | |
967 | { | |
968 | struct us_data *us = usb_get_intfdata(iface); | |
969 | ||
e931830b | 970 | fw5895_init(us); |
971 | config_autodelink_after_power_on(us); | |
972 | ||
e931830b | 973 | return 0; |
974 | } | |
975 | #else | |
976 | #define realtek_cr_suspend NULL | |
977 | #define realtek_cr_resume NULL | |
50a6cb93 | 978 | #endif |
979 | ||
980 | static int init_realtek_cr(struct us_data *us) | |
981 | { | |
982 | struct rts51x_chip *chip; | |
983 | int size, i, retval; | |
984 | ||
985 | chip = kzalloc(sizeof(struct rts51x_chip), GFP_KERNEL); | |
986 | if (!chip) | |
987 | return -ENOMEM; | |
988 | ||
989 | us->extra = chip; | |
990 | us->extra_destructor = realtek_cr_destructor; | |
50a6cb93 | 991 | us->max_lun = chip->max_lun = rts51x_get_max_lun(us); |
1c9e55cd | 992 | chip->us = us; |
50a6cb93 | 993 | |
191648d0 | 994 | usb_stor_dbg(us, "chip->max_lun = %d\n", chip->max_lun); |
50a6cb93 | 995 | |
996 | size = (chip->max_lun + 1) * sizeof(struct rts51x_status); | |
997 | chip->status = kzalloc(size, GFP_KERNEL); | |
998 | if (!chip->status) | |
999 | goto INIT_FAIL; | |
1000 | ||
1001 | for (i = 0; i <= (int)(chip->max_lun); i++) { | |
151d9fad | 1002 | retval = rts51x_check_status(us, (u8) i); |
50a6cb93 | 1003 | if (retval < 0) |
1004 | goto INIT_FAIL; | |
1005 | } | |
1006 | ||
1007 | if (CHECK_FW_VER(chip, 0x5888) || CHECK_FW_VER(chip, 0x5889) || | |
151d9fad | 1008 | CHECK_FW_VER(chip, 0x5901)) |
50a6cb93 | 1009 | SET_AUTO_DELINK(chip); |
1010 | if (STATUS_LEN(chip) == 16) { | |
1011 | if (SUPPORT_AUTO_DELINK(chip)) | |
1012 | SET_AUTO_DELINK(chip); | |
1013 | } | |
e931830b | 1014 | #ifdef CONFIG_REALTEK_AUTOPM |
1c9e55cd | 1015 | if (ss_en) |
e931830b | 1016 | realtek_cr_autosuspend_setup(us); |
e931830b | 1017 | #endif |
50a6cb93 | 1018 | |
191648d0 | 1019 | usb_stor_dbg(us, "chip->flag = 0x%x\n", chip->flag); |
50a6cb93 | 1020 | |
1021 | (void)config_autodelink_after_power_on(us); | |
1022 | ||
1023 | return 0; | |
1024 | ||
1025 | INIT_FAIL: | |
1026 | if (us->extra) { | |
1027 | kfree(chip->status); | |
1028 | kfree(us->extra); | |
1029 | us->extra = NULL; | |
1030 | } | |
1031 | ||
1032 | return -EIO; | |
1033 | } | |
1034 | ||
1035 | static int realtek_cr_probe(struct usb_interface *intf, | |
151d9fad | 1036 | const struct usb_device_id *id) |
50a6cb93 | 1037 | { |
1038 | struct us_data *us; | |
1039 | int result; | |
1040 | ||
191648d0 | 1041 | dev_dbg(&intf->dev, "Probe Realtek Card Reader!\n"); |
50a6cb93 | 1042 | |
1043 | result = usb_stor_probe1(&us, intf, id, | |
151d9fad | 1044 | (id - realtek_cr_ids) + |
1045 | realtek_cr_unusual_dev_list); | |
50a6cb93 | 1046 | if (result) |
1047 | return result; | |
1048 | ||
1049 | result = usb_stor_probe2(us); | |
151d9fad | 1050 | |
50a6cb93 | 1051 | return result; |
1052 | } | |
1053 | ||
1054 | static struct usb_driver realtek_cr_driver = { | |
151d9fad | 1055 | .name = "ums-realtek", |
1056 | .probe = realtek_cr_probe, | |
1057 | .disconnect = usb_stor_disconnect, | |
e931830b | 1058 | /* .suspend = usb_stor_suspend, */ |
1059 | /* .resume = usb_stor_resume, */ | |
151d9fad | 1060 | .reset_resume = usb_stor_reset_resume, |
e931830b | 1061 | .suspend = realtek_cr_suspend, |
1062 | .resume = realtek_cr_resume, | |
151d9fad | 1063 | .pre_reset = usb_stor_pre_reset, |
1064 | .post_reset = usb_stor_post_reset, | |
1065 | .id_table = realtek_cr_ids, | |
1066 | .soft_unbind = 1, | |
e931830b | 1067 | .supports_autosuspend = 1, |
e73b2db6 | 1068 | .no_dynamic_id = 1, |
50a6cb93 | 1069 | }; |
1070 | ||
65db4305 | 1071 | module_usb_driver(realtek_cr_driver); |