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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), \ | |
f61870ee | 175 | .driver_info = (flags) \ |
50a6cb93 | 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); | |
b8db6d64 | 222 | bcb->Flags = (dir == DMA_FROM_DEVICE) ? US_BULK_FLAG_IN : 0; |
50a6cb93 | 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); | |
b8db6d64 | 308 | bcb->Flags = (dir == DMA_FROM_DEVICE) ? US_BULK_FLAG_IN : 0; |
45e1892e | 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 | ||
eb545522 | 401 | buf = kmemdup(data, len, GFP_NOIO); |
065e6096 AC |
402 | if (buf == NULL) |
403 | return USB_STOR_TRANSPORT_ERROR; | |
50a6cb93 | 404 | |
405 | US_DEBUGP("%s, addr = 0x%x, len = %d\n", __func__, addr, len); | |
406 | ||
407 | cmnd[0] = 0xF0; | |
408 | cmnd[1] = 0x0E; | |
151d9fad | 409 | cmnd[2] = (u8) (addr >> 8); |
410 | cmnd[3] = (u8) addr; | |
411 | cmnd[4] = (u8) (len >> 8); | |
412 | cmnd[5] = (u8) len; | |
50a6cb93 | 413 | |
414 | retval = rts51x_bulk_transport(us, 0, cmnd, 12, | |
065e6096 AC |
415 | buf, len, DMA_TO_DEVICE, NULL); |
416 | kfree(buf); | |
50a6cb93 | 417 | if (retval != USB_STOR_TRANSPORT_GOOD) |
418 | return -EIO; | |
419 | ||
420 | return 0; | |
421 | } | |
422 | ||
423 | static int rts51x_read_status(struct us_data *us, | |
424 | u8 lun, u8 *status, int len, int *actlen) | |
425 | { | |
426 | int retval; | |
151d9fad | 427 | u8 cmnd[12] = { 0 }; |
065e6096 AC |
428 | u8 *buf; |
429 | ||
430 | buf = kmalloc(len, GFP_NOIO); | |
431 | if (buf == NULL) | |
432 | return USB_STOR_TRANSPORT_ERROR; | |
50a6cb93 | 433 | |
434 | US_DEBUGP("%s, lun = %d\n", __func__, lun); | |
435 | ||
436 | cmnd[0] = 0xF0; | |
437 | cmnd[1] = 0x09; | |
438 | ||
439 | retval = rts51x_bulk_transport(us, lun, cmnd, 12, | |
065e6096 AC |
440 | buf, len, DMA_FROM_DEVICE, actlen); |
441 | if (retval != USB_STOR_TRANSPORT_GOOD) { | |
442 | kfree(buf); | |
50a6cb93 | 443 | return -EIO; |
065e6096 | 444 | } |
50a6cb93 | 445 | |
065e6096 AC |
446 | memcpy(status, buf, len); |
447 | kfree(buf); | |
50a6cb93 | 448 | return 0; |
449 | } | |
450 | ||
451 | static int rts51x_check_status(struct us_data *us, u8 lun) | |
452 | { | |
453 | struct rts51x_chip *chip = (struct rts51x_chip *)(us->extra); | |
454 | int retval; | |
455 | u8 buf[16]; | |
456 | ||
457 | retval = rts51x_read_status(us, lun, buf, 16, &(chip->status_len)); | |
458 | if (retval < 0) | |
459 | return -EIO; | |
460 | ||
461 | US_DEBUGP("chip->status_len = %d\n", chip->status_len); | |
462 | ||
151d9fad | 463 | chip->status[lun].vid = ((u16) buf[0] << 8) | buf[1]; |
464 | chip->status[lun].pid = ((u16) buf[2] << 8) | buf[3]; | |
50a6cb93 | 465 | chip->status[lun].cur_lun = buf[4]; |
466 | chip->status[lun].card_type = buf[5]; | |
467 | chip->status[lun].total_lun = buf[6]; | |
151d9fad | 468 | chip->status[lun].fw_ver = ((u16) buf[7] << 8) | buf[8]; |
50a6cb93 | 469 | chip->status[lun].phy_exist = buf[9]; |
470 | chip->status[lun].multi_flag = buf[10]; | |
471 | chip->status[lun].multi_card = buf[11]; | |
472 | chip->status[lun].log_exist = buf[12]; | |
473 | if (chip->status_len == 16) { | |
474 | chip->status[lun].detailed_type.detailed_type1 = buf[13]; | |
475 | chip->status[lun].function[0] = buf[14]; | |
476 | chip->status[lun].function[1] = buf[15]; | |
477 | } | |
478 | ||
479 | return 0; | |
480 | } | |
481 | ||
482 | static int enable_oscillator(struct us_data *us) | |
483 | { | |
484 | int retval; | |
485 | u8 value; | |
486 | ||
487 | retval = rts51x_read_mem(us, 0xFE77, &value, 1); | |
488 | if (retval < 0) | |
489 | return -EIO; | |
490 | ||
491 | value |= 0x04; | |
492 | retval = rts51x_write_mem(us, 0xFE77, &value, 1); | |
493 | if (retval < 0) | |
494 | return -EIO; | |
495 | ||
496 | retval = rts51x_read_mem(us, 0xFE77, &value, 1); | |
497 | if (retval < 0) | |
498 | return -EIO; | |
499 | ||
500 | if (!(value & 0x04)) | |
501 | return -EIO; | |
502 | ||
503 | return 0; | |
504 | } | |
505 | ||
45e1892e | 506 | static int __do_config_autodelink(struct us_data *us, u8 *data, u16 len) |
507 | { | |
508 | int retval; | |
45e1892e | 509 | u8 cmnd[12] = {0}; |
4898e071 | 510 | u8 *buf; |
45e1892e | 511 | |
d762ad47 | 512 | US_DEBUGP("%s, addr = 0xfe47, len = %d\n", __FUNCTION__, len); |
45e1892e | 513 | |
4898e071 | 514 | buf = kmemdup(data, len, GFP_NOIO); |
515 | if (!buf) | |
516 | return USB_STOR_TRANSPORT_ERROR; | |
517 | ||
45e1892e | 518 | cmnd[0] = 0xF0; |
519 | cmnd[1] = 0x0E; | |
d762ad47 FB |
520 | cmnd[2] = 0xfe; |
521 | cmnd[3] = 0x47; | |
45e1892e | 522 | cmnd[4] = (u8)(len >> 8); |
523 | cmnd[5] = (u8)len; | |
524 | ||
4898e071 | 525 | retval = rts51x_bulk_transport_special(us, 0, cmnd, 12, buf, len, DMA_TO_DEVICE, NULL); |
526 | kfree(buf); | |
45e1892e | 527 | if (retval != USB_STOR_TRANSPORT_GOOD) { |
528 | return -EIO; | |
529 | } | |
530 | ||
531 | return 0; | |
532 | } | |
533 | ||
50a6cb93 | 534 | static int do_config_autodelink(struct us_data *us, int enable, int force) |
535 | { | |
536 | int retval; | |
537 | u8 value; | |
538 | ||
539 | retval = rts51x_read_mem(us, 0xFE47, &value, 1); | |
540 | if (retval < 0) | |
541 | return -EIO; | |
542 | ||
543 | if (enable) { | |
544 | if (force) | |
545 | value |= 0x03; | |
546 | else | |
547 | value |= 0x01; | |
548 | } else { | |
549 | value &= ~0x03; | |
550 | } | |
551 | ||
552 | US_DEBUGP("In %s,set 0xfe47 to 0x%x\n", __func__, value); | |
553 | ||
45e1892e | 554 | /* retval = rts51x_write_mem(us, 0xFE47, &value, 1); */ |
555 | retval = __do_config_autodelink(us, &value, 1); | |
50a6cb93 | 556 | if (retval < 0) |
557 | return -EIO; | |
558 | ||
559 | return 0; | |
560 | } | |
561 | ||
562 | static int config_autodelink_after_power_on(struct us_data *us) | |
563 | { | |
564 | struct rts51x_chip *chip = (struct rts51x_chip *)(us->extra); | |
565 | int retval; | |
566 | u8 value; | |
567 | ||
e931830b | 568 | US_DEBUGP("%s: <---\n", __func__); |
569 | ||
50a6cb93 | 570 | if (!CHK_AUTO_DELINK(chip)) |
571 | return 0; | |
572 | ||
573 | retval = rts51x_read_mem(us, 0xFE47, &value, 1); | |
574 | if (retval < 0) | |
575 | return -EIO; | |
576 | ||
577 | if (auto_delink_en) { | |
578 | CLR_BIT(value, 0); | |
579 | CLR_BIT(value, 1); | |
580 | SET_BIT(value, 2); | |
581 | ||
582 | if (CHECK_ID(chip, 0x0138, 0x3882)) | |
583 | CLR_BIT(value, 2); | |
584 | ||
585 | SET_BIT(value, 7); | |
586 | ||
45e1892e | 587 | /* retval = rts51x_write_mem(us, 0xFE47, &value, 1); */ |
588 | retval = __do_config_autodelink(us, &value, 1); | |
50a6cb93 | 589 | if (retval < 0) |
590 | return -EIO; | |
591 | ||
592 | retval = enable_oscillator(us); | |
593 | if (retval == 0) | |
594 | (void)do_config_autodelink(us, 1, 0); | |
595 | } else { | |
596 | /* Autodelink controlled by firmware */ | |
597 | ||
598 | SET_BIT(value, 2); | |
599 | ||
600 | if (CHECK_ID(chip, 0x0138, 0x3882)) | |
601 | CLR_BIT(value, 2); | |
602 | ||
603 | if (CHECK_ID(chip, 0x0159, 0x5889) || | |
151d9fad | 604 | CHECK_ID(chip, 0x0138, 0x3880)) { |
50a6cb93 | 605 | CLR_BIT(value, 0); |
606 | CLR_BIT(value, 7); | |
607 | } | |
608 | ||
45e1892e | 609 | /* retval = rts51x_write_mem(us, 0xFE47, &value, 1); */ |
610 | retval = __do_config_autodelink(us, &value, 1); | |
50a6cb93 | 611 | if (retval < 0) |
612 | return -EIO; | |
613 | ||
614 | if (CHECK_ID(chip, 0x0159, 0x5888)) { | |
615 | value = 0xFF; | |
616 | retval = rts51x_write_mem(us, 0xFE79, &value, 1); | |
617 | if (retval < 0) | |
618 | return -EIO; | |
619 | ||
620 | value = 0x01; | |
621 | retval = rts51x_write_mem(us, 0x48, &value, 1); | |
622 | if (retval < 0) | |
623 | return -EIO; | |
624 | } | |
625 | } | |
626 | ||
e931830b | 627 | US_DEBUGP("%s: --->\n", __func__); |
628 | ||
50a6cb93 | 629 | return 0; |
630 | } | |
631 | ||
632 | static int config_autodelink_before_power_down(struct us_data *us) | |
633 | { | |
634 | struct rts51x_chip *chip = (struct rts51x_chip *)(us->extra); | |
635 | int retval; | |
636 | u8 value; | |
637 | ||
e931830b | 638 | US_DEBUGP("%s: <---\n", __func__); |
639 | ||
50a6cb93 | 640 | if (!CHK_AUTO_DELINK(chip)) |
641 | return 0; | |
642 | ||
643 | if (auto_delink_en) { | |
644 | retval = rts51x_read_mem(us, 0xFE77, &value, 1); | |
645 | if (retval < 0) | |
646 | return -EIO; | |
647 | ||
648 | SET_BIT(value, 2); | |
649 | retval = rts51x_write_mem(us, 0xFE77, &value, 1); | |
650 | if (retval < 0) | |
651 | return -EIO; | |
652 | ||
653 | if (CHECK_ID(chip, 0x0159, 0x5888)) { | |
654 | value = 0x01; | |
655 | retval = rts51x_write_mem(us, 0x48, &value, 1); | |
656 | if (retval < 0) | |
657 | return -EIO; | |
658 | } | |
659 | ||
660 | retval = rts51x_read_mem(us, 0xFE47, &value, 1); | |
661 | if (retval < 0) | |
662 | return -EIO; | |
663 | ||
664 | SET_BIT(value, 0); | |
665 | if (CHECK_ID(chip, 0x0138, 0x3882)) | |
666 | SET_BIT(value, 2); | |
667 | retval = rts51x_write_mem(us, 0xFE77, &value, 1); | |
668 | if (retval < 0) | |
669 | return -EIO; | |
670 | } else { | |
671 | if (CHECK_ID(chip, 0x0159, 0x5889) || | |
151d9fad | 672 | CHECK_ID(chip, 0x0138, 0x3880) || |
673 | CHECK_ID(chip, 0x0138, 0x3882)) { | |
50a6cb93 | 674 | retval = rts51x_read_mem(us, 0xFE47, &value, 1); |
675 | if (retval < 0) | |
676 | return -EIO; | |
677 | ||
678 | if (CHECK_ID(chip, 0x0159, 0x5889) || | |
151d9fad | 679 | CHECK_ID(chip, 0x0138, 0x3880)) { |
50a6cb93 | 680 | SET_BIT(value, 0); |
681 | SET_BIT(value, 7); | |
682 | } | |
683 | ||
684 | if (CHECK_ID(chip, 0x0138, 0x3882)) | |
685 | SET_BIT(value, 2); | |
686 | ||
45e1892e | 687 | /* retval = rts51x_write_mem(us, 0xFE47, &value, 1); */ |
688 | retval = __do_config_autodelink(us, &value, 1); | |
50a6cb93 | 689 | if (retval < 0) |
690 | return -EIO; | |
691 | } | |
692 | ||
693 | if (CHECK_ID(chip, 0x0159, 0x5888)) { | |
694 | value = 0x01; | |
695 | retval = rts51x_write_mem(us, 0x48, &value, 1); | |
696 | if (retval < 0) | |
697 | return -EIO; | |
698 | } | |
699 | } | |
700 | ||
e931830b | 701 | US_DEBUGP("%s: --->\n", __func__); |
702 | ||
703 | return 0; | |
704 | } | |
705 | ||
706 | static void fw5895_init(struct us_data *us) | |
707 | { | |
708 | struct rts51x_chip *chip = (struct rts51x_chip *)(us->extra); | |
709 | int retval; | |
710 | u8 val; | |
711 | ||
712 | US_DEBUGP("%s: <---\n", __func__); | |
713 | ||
714 | if ((PRODUCT_ID(chip) != 0x0158) || (FW_VERSION(chip) != 0x5895)) { | |
715 | US_DEBUGP("Not the specified device, return immediately!\n"); | |
716 | } else { | |
717 | retval = rts51x_read_mem(us, 0xFD6F, &val, 1); | |
718 | if (retval == STATUS_SUCCESS && (val & 0x1F) == 0) { | |
719 | val = 0x1F; | |
720 | retval = rts51x_write_mem(us, 0xFD70, &val, 1); | |
721 | if (retval != STATUS_SUCCESS) | |
722 | US_DEBUGP("Write memory fail\n"); | |
723 | } else { | |
724 | US_DEBUGP("Read memory fail, OR (val & 0x1F) != 0\n"); | |
725 | } | |
726 | } | |
727 | ||
728 | US_DEBUGP("%s: --->\n", __func__); | |
729 | } | |
730 | ||
731 | #ifdef CONFIG_REALTEK_AUTOPM | |
732 | static void fw5895_set_mmc_wp(struct us_data *us) | |
733 | { | |
734 | struct rts51x_chip *chip = (struct rts51x_chip *)(us->extra); | |
735 | int retval; | |
736 | u8 buf[13]; | |
737 | ||
738 | US_DEBUGP("%s: <---\n", __func__); | |
739 | ||
740 | if ((PRODUCT_ID(chip) != 0x0158) || (FW_VERSION(chip) != 0x5895)) { | |
741 | US_DEBUGP("Not the specified device, return immediately!\n"); | |
742 | } else { | |
743 | retval = rts51x_read_mem(us, 0xFD6F, buf, 1); | |
744 | if (retval == STATUS_SUCCESS && (buf[0] & 0x24) == 0x24) { | |
745 | /* SD Exist and SD WP */ | |
746 | retval = rts51x_read_mem(us, 0xD04E, buf, 1); | |
747 | if (retval == STATUS_SUCCESS) { | |
748 | buf[0] |= 0x04; | |
749 | retval = rts51x_write_mem(us, 0xFD70, buf, 1); | |
750 | if (retval != STATUS_SUCCESS) | |
751 | US_DEBUGP("Write memory fail\n"); | |
752 | } else { | |
753 | US_DEBUGP("Read memory fail\n"); | |
754 | } | |
755 | } else { | |
756 | US_DEBUGP("Read memory fail, OR (buf[0]&0x24)!=0x24\n"); | |
757 | } | |
758 | } | |
759 | ||
760 | US_DEBUGP("%s: --->\n", __func__); | |
761 | } | |
762 | ||
763 | static void rts51x_modi_suspend_timer(struct rts51x_chip *chip) | |
764 | { | |
765 | US_DEBUGP("%s: <---, state:%d\n", __func__, rts51x_get_stat(chip)); | |
766 | ||
767 | chip->timer_expires = jiffies + msecs_to_jiffies(1000*ss_delay); | |
768 | mod_timer(&chip->rts51x_suspend_timer, chip->timer_expires); | |
769 | ||
770 | US_DEBUGP("%s: --->\n", __func__); | |
771 | } | |
772 | ||
773 | static void rts51x_suspend_timer_fn(unsigned long data) | |
774 | { | |
775 | struct rts51x_chip *chip = (struct rts51x_chip *)data; | |
776 | struct us_data *us = chip->us; | |
777 | ||
778 | US_DEBUGP("%s: <---\n", __func__); | |
779 | ||
780 | switch (rts51x_get_stat(chip)) { | |
781 | case RTS51X_STAT_INIT: | |
782 | case RTS51X_STAT_RUN: | |
783 | rts51x_modi_suspend_timer(chip); | |
784 | break; | |
785 | case RTS51X_STAT_IDLE: | |
786 | case RTS51X_STAT_SS: | |
787 | US_DEBUGP("%s: RTS51X_STAT_SS, intf->pm_usage_cnt:%d," | |
788 | "power.usage:%d\n", __func__, | |
789 | atomic_read(&us->pusb_intf->pm_usage_cnt), | |
790 | atomic_read(&us->pusb_intf->dev.power.usage_count)); | |
791 | ||
792 | if (atomic_read(&us->pusb_intf->pm_usage_cnt) > 0) { | |
793 | US_DEBUGP("%s: Ready to enter SS state.\n", | |
794 | __func__); | |
795 | rts51x_set_stat(chip, RTS51X_STAT_SS); | |
796 | /* ignore mass storage interface's children */ | |
797 | pm_suspend_ignore_children(&us->pusb_intf->dev, true); | |
b3ef051d | 798 | usb_autopm_put_interface_async(us->pusb_intf); |
e931830b | 799 | US_DEBUGP("%s: RTS51X_STAT_SS 01," |
800 | "intf->pm_usage_cnt:%d, power.usage:%d\n", | |
801 | __func__, | |
802 | atomic_read(&us->pusb_intf->pm_usage_cnt), | |
803 | atomic_read( | |
804 | &us->pusb_intf->dev.power.usage_count)); | |
805 | } | |
806 | break; | |
807 | default: | |
808 | US_DEBUGP("%s: Unknonwn state !!!\n", __func__); | |
809 | break; | |
810 | } | |
811 | ||
812 | US_DEBUGP("%s: --->\n", __func__); | |
813 | } | |
814 | ||
815 | static inline int working_scsi(struct scsi_cmnd *srb) | |
816 | { | |
817 | if ((srb->cmnd[0] == TEST_UNIT_READY) || | |
818 | (srb->cmnd[0] == ALLOW_MEDIUM_REMOVAL)) { | |
819 | return 0; | |
820 | } | |
821 | ||
822 | return 1; | |
823 | } | |
824 | ||
d762ad47 | 825 | static void rts51x_invoke_transport(struct scsi_cmnd *srb, struct us_data *us) |
e931830b | 826 | { |
827 | struct rts51x_chip *chip = (struct rts51x_chip *)(us->extra); | |
828 | static int card_first_show = 1; | |
829 | static u8 media_not_present[] = { 0x70, 0, 0x02, 0, 0, 0, 0, | |
830 | 10, 0, 0, 0, 0, 0x3A, 0, 0, 0, 0, 0 | |
831 | }; | |
832 | static u8 invalid_cmd_field[] = { 0x70, 0, 0x05, 0, 0, 0, 0, | |
833 | 10, 0, 0, 0, 0, 0x24, 0, 0, 0, 0, 0 | |
834 | }; | |
835 | int ret; | |
836 | ||
837 | US_DEBUGP("%s: <---\n", __func__); | |
838 | ||
839 | if (working_scsi(srb)) { | |
840 | US_DEBUGP("%s: working scsi, intf->pm_usage_cnt:%d," | |
841 | "power.usage:%d\n", __func__, | |
842 | atomic_read(&us->pusb_intf->pm_usage_cnt), | |
843 | atomic_read(&us->pusb_intf->dev.power.usage_count)); | |
844 | ||
845 | if (atomic_read(&us->pusb_intf->pm_usage_cnt) <= 0) { | |
846 | ret = usb_autopm_get_interface(us->pusb_intf); | |
847 | US_DEBUGP("%s: working scsi, ret=%d\n", __func__, ret); | |
848 | } | |
849 | if (rts51x_get_stat(chip) != RTS51X_STAT_RUN) | |
850 | rts51x_set_stat(chip, RTS51X_STAT_RUN); | |
851 | chip->proto_handler_backup(srb, us); | |
852 | } else { | |
853 | if (rts51x_get_stat(chip) == RTS51X_STAT_SS) { | |
854 | US_DEBUGP("%s: NOT working scsi\n", __func__); | |
855 | if ((srb->cmnd[0] == TEST_UNIT_READY) && | |
856 | (chip->pwr_state == US_SUSPEND)) { | |
857 | if (TST_LUN_READY(chip, srb->device->lun)) { | |
858 | srb->result = SAM_STAT_GOOD; | |
859 | } else { | |
860 | srb->result = SAM_STAT_CHECK_CONDITION; | |
861 | memcpy(srb->sense_buffer, | |
862 | media_not_present, | |
863 | US_SENSE_SIZE); | |
864 | } | |
865 | US_DEBUGP("%s: TEST_UNIT_READY--->\n", | |
866 | __func__); | |
867 | goto out; | |
868 | } | |
869 | if (srb->cmnd[0] == ALLOW_MEDIUM_REMOVAL) { | |
870 | int prevent = srb->cmnd[4] & 0x1; | |
871 | if (prevent) { | |
872 | srb->result = SAM_STAT_CHECK_CONDITION; | |
873 | memcpy(srb->sense_buffer, | |
874 | invalid_cmd_field, | |
875 | US_SENSE_SIZE); | |
876 | } else { | |
877 | srb->result = SAM_STAT_GOOD; | |
878 | } | |
879 | US_DEBUGP("%s: ALLOW_MEDIUM_REMOVAL--->\n", | |
880 | __func__); | |
881 | goto out; | |
882 | } | |
883 | } else { | |
884 | US_DEBUGP("%s: NOT working scsi, not SS\n", __func__); | |
885 | chip->proto_handler_backup(srb, us); | |
48fc7f7e | 886 | /* Check whether card is plugged in */ |
e931830b | 887 | if (srb->cmnd[0] == TEST_UNIT_READY) { |
888 | if (srb->result == SAM_STAT_GOOD) { | |
889 | SET_LUN_READY(chip, srb->device->lun); | |
890 | if (card_first_show) { | |
891 | card_first_show = 0; | |
892 | fw5895_set_mmc_wp(us); | |
893 | } | |
894 | } else { | |
895 | CLR_LUN_READY(chip, srb->device->lun); | |
896 | card_first_show = 1; | |
897 | } | |
898 | } | |
899 | if (rts51x_get_stat(chip) != RTS51X_STAT_IDLE) | |
900 | rts51x_set_stat(chip, RTS51X_STAT_IDLE); | |
901 | } | |
902 | } | |
903 | out: | |
904 | US_DEBUGP("%s: state:%d\n", __func__, rts51x_get_stat(chip)); | |
905 | if (rts51x_get_stat(chip) == RTS51X_STAT_RUN) | |
906 | rts51x_modi_suspend_timer(chip); | |
907 | ||
908 | US_DEBUGP("%s: --->\n", __func__); | |
909 | } | |
910 | ||
911 | static int realtek_cr_autosuspend_setup(struct us_data *us) | |
912 | { | |
913 | struct rts51x_chip *chip; | |
914 | struct rts51x_status *status = NULL; | |
915 | u8 buf[16]; | |
916 | int retval; | |
917 | ||
918 | chip = (struct rts51x_chip *)us->extra; | |
919 | chip->support_auto_delink = 0; | |
920 | chip->pwr_state = US_RESUME; | |
921 | chip->lun_ready = 0; | |
922 | rts51x_set_stat(chip, RTS51X_STAT_INIT); | |
923 | ||
924 | retval = rts51x_read_status(us, 0, buf, 16, &(chip->status_len)); | |
925 | if (retval != STATUS_SUCCESS) { | |
926 | US_DEBUGP("Read status fail\n"); | |
927 | return -EIO; | |
928 | } | |
929 | status = chip->status; | |
930 | status->vid = ((u16) buf[0] << 8) | buf[1]; | |
931 | status->pid = ((u16) buf[2] << 8) | buf[3]; | |
932 | status->cur_lun = buf[4]; | |
933 | status->card_type = buf[5]; | |
934 | status->total_lun = buf[6]; | |
935 | status->fw_ver = ((u16) buf[7] << 8) | buf[8]; | |
936 | status->phy_exist = buf[9]; | |
937 | status->multi_flag = buf[10]; | |
938 | status->multi_card = buf[11]; | |
939 | status->log_exist = buf[12]; | |
940 | if (chip->status_len == 16) { | |
941 | status->detailed_type.detailed_type1 = buf[13]; | |
942 | status->function[0] = buf[14]; | |
943 | status->function[1] = buf[15]; | |
944 | } | |
945 | ||
946 | /* back up the proto_handler in us->extra */ | |
947 | chip = (struct rts51x_chip *)(us->extra); | |
948 | chip->proto_handler_backup = us->proto_handler; | |
949 | /* Set the autosuspend_delay to 0 */ | |
950 | pm_runtime_set_autosuspend_delay(&us->pusb_dev->dev, 0); | |
951 | /* override us->proto_handler setted in get_protocol() */ | |
952 | us->proto_handler = rts51x_invoke_transport; | |
953 | ||
954 | chip->timer_expires = 0; | |
955 | setup_timer(&chip->rts51x_suspend_timer, rts51x_suspend_timer_fn, | |
956 | (unsigned long)chip); | |
957 | fw5895_init(us); | |
958 | ||
959 | /* enable autosuspend funciton of the usb device */ | |
960 | usb_enable_autosuspend(us->pusb_dev); | |
961 | ||
50a6cb93 | 962 | return 0; |
963 | } | |
e931830b | 964 | #endif |
50a6cb93 | 965 | |
966 | static void realtek_cr_destructor(void *extra) | |
967 | { | |
968 | struct rts51x_chip *chip = (struct rts51x_chip *)extra; | |
969 | ||
e931830b | 970 | US_DEBUGP("%s: <---\n", __func__); |
971 | ||
50a6cb93 | 972 | if (!chip) |
973 | return; | |
e931830b | 974 | #ifdef CONFIG_REALTEK_AUTOPM |
975 | if (ss_en) { | |
976 | del_timer(&chip->rts51x_suspend_timer); | |
977 | chip->timer_expires = 0; | |
978 | } | |
979 | #endif | |
50a6cb93 | 980 | kfree(chip->status); |
981 | } | |
982 | ||
983 | #ifdef CONFIG_PM | |
d762ad47 | 984 | static int realtek_cr_suspend(struct usb_interface *iface, pm_message_t message) |
50a6cb93 | 985 | { |
e931830b | 986 | struct us_data *us = usb_get_intfdata(iface); |
987 | ||
988 | US_DEBUGP("%s: <---\n", __func__); | |
989 | ||
990 | /* wait until no command is running */ | |
991 | mutex_lock(&us->dev_mutex); | |
992 | ||
993 | config_autodelink_before_power_down(us); | |
994 | ||
995 | mutex_unlock(&us->dev_mutex); | |
996 | ||
997 | US_DEBUGP("%s: --->\n", __func__); | |
998 | ||
999 | return 0; | |
50a6cb93 | 1000 | } |
e931830b | 1001 | |
1002 | static int realtek_cr_resume(struct usb_interface *iface) | |
1003 | { | |
1004 | struct us_data *us = usb_get_intfdata(iface); | |
1005 | ||
1006 | US_DEBUGP("%s: <---\n", __func__); | |
1007 | ||
1008 | fw5895_init(us); | |
1009 | config_autodelink_after_power_on(us); | |
1010 | ||
1011 | US_DEBUGP("%s: --->\n", __func__); | |
1012 | ||
1013 | return 0; | |
1014 | } | |
1015 | #else | |
1016 | #define realtek_cr_suspend NULL | |
1017 | #define realtek_cr_resume NULL | |
50a6cb93 | 1018 | #endif |
1019 | ||
1020 | static int init_realtek_cr(struct us_data *us) | |
1021 | { | |
1022 | struct rts51x_chip *chip; | |
1023 | int size, i, retval; | |
1024 | ||
1025 | chip = kzalloc(sizeof(struct rts51x_chip), GFP_KERNEL); | |
1026 | if (!chip) | |
1027 | return -ENOMEM; | |
1028 | ||
1029 | us->extra = chip; | |
1030 | us->extra_destructor = realtek_cr_destructor; | |
50a6cb93 | 1031 | us->max_lun = chip->max_lun = rts51x_get_max_lun(us); |
1032 | ||
1033 | US_DEBUGP("chip->max_lun = %d\n", chip->max_lun); | |
1034 | ||
1035 | size = (chip->max_lun + 1) * sizeof(struct rts51x_status); | |
1036 | chip->status = kzalloc(size, GFP_KERNEL); | |
1037 | if (!chip->status) | |
1038 | goto INIT_FAIL; | |
1039 | ||
1040 | for (i = 0; i <= (int)(chip->max_lun); i++) { | |
151d9fad | 1041 | retval = rts51x_check_status(us, (u8) i); |
50a6cb93 | 1042 | if (retval < 0) |
1043 | goto INIT_FAIL; | |
1044 | } | |
1045 | ||
1046 | if (CHECK_FW_VER(chip, 0x5888) || CHECK_FW_VER(chip, 0x5889) || | |
151d9fad | 1047 | CHECK_FW_VER(chip, 0x5901)) |
50a6cb93 | 1048 | SET_AUTO_DELINK(chip); |
1049 | if (STATUS_LEN(chip) == 16) { | |
1050 | if (SUPPORT_AUTO_DELINK(chip)) | |
1051 | SET_AUTO_DELINK(chip); | |
1052 | } | |
e931830b | 1053 | #ifdef CONFIG_REALTEK_AUTOPM |
1054 | if (ss_en) { | |
1055 | chip->us = us; | |
1056 | realtek_cr_autosuspend_setup(us); | |
1057 | } | |
1058 | #endif | |
50a6cb93 | 1059 | |
1060 | US_DEBUGP("chip->flag = 0x%x\n", chip->flag); | |
1061 | ||
1062 | (void)config_autodelink_after_power_on(us); | |
1063 | ||
1064 | return 0; | |
1065 | ||
1066 | INIT_FAIL: | |
1067 | if (us->extra) { | |
1068 | kfree(chip->status); | |
1069 | kfree(us->extra); | |
1070 | us->extra = NULL; | |
1071 | } | |
1072 | ||
1073 | return -EIO; | |
1074 | } | |
1075 | ||
1076 | static int realtek_cr_probe(struct usb_interface *intf, | |
151d9fad | 1077 | const struct usb_device_id *id) |
50a6cb93 | 1078 | { |
1079 | struct us_data *us; | |
1080 | int result; | |
1081 | ||
1082 | US_DEBUGP("Probe Realtek Card Reader!\n"); | |
1083 | ||
1084 | result = usb_stor_probe1(&us, intf, id, | |
151d9fad | 1085 | (id - realtek_cr_ids) + |
1086 | realtek_cr_unusual_dev_list); | |
50a6cb93 | 1087 | if (result) |
1088 | return result; | |
1089 | ||
1090 | result = usb_stor_probe2(us); | |
151d9fad | 1091 | |
50a6cb93 | 1092 | return result; |
1093 | } | |
1094 | ||
1095 | static struct usb_driver realtek_cr_driver = { | |
151d9fad | 1096 | .name = "ums-realtek", |
1097 | .probe = realtek_cr_probe, | |
1098 | .disconnect = usb_stor_disconnect, | |
e931830b | 1099 | /* .suspend = usb_stor_suspend, */ |
1100 | /* .resume = usb_stor_resume, */ | |
151d9fad | 1101 | .reset_resume = usb_stor_reset_resume, |
e931830b | 1102 | .suspend = realtek_cr_suspend, |
1103 | .resume = realtek_cr_resume, | |
151d9fad | 1104 | .pre_reset = usb_stor_pre_reset, |
1105 | .post_reset = usb_stor_post_reset, | |
1106 | .id_table = realtek_cr_ids, | |
1107 | .soft_unbind = 1, | |
e931830b | 1108 | .supports_autosuspend = 1, |
e73b2db6 | 1109 | .no_dynamic_id = 1, |
50a6cb93 | 1110 | }; |
1111 | ||
65db4305 | 1112 | module_usb_driver(realtek_cr_driver); |