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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" | |
aa519be3 AM |
42 | #include "scsiglue.h" |
43 | ||
44 | #define DRV_NAME "ums-realtek" | |
50a6cb93 | 45 | |
46 | MODULE_DESCRIPTION("Driver for Realtek USB Card Reader"); | |
47 | MODULE_AUTHOR("wwang <wei_wang@realsil.com.cn>"); | |
48 | MODULE_LICENSE("GPL"); | |
49 | MODULE_VERSION("1.03"); | |
50 | ||
51 | static int auto_delink_en = 1; | |
52 | module_param(auto_delink_en, int, S_IRUGO | S_IWUSR); | |
53 | MODULE_PARM_DESC(auto_delink_en, "enable auto delink"); | |
54 | ||
e931830b | 55 | #ifdef CONFIG_REALTEK_AUTOPM |
56 | static int ss_en = 1; | |
57 | module_param(ss_en, int, S_IRUGO | S_IWUSR); | |
58 | MODULE_PARM_DESC(ss_en, "enable selective suspend"); | |
59 | ||
60 | static int ss_delay = 50; | |
61 | module_param(ss_delay, int, S_IRUGO | S_IWUSR); | |
62 | MODULE_PARM_DESC(ss_delay, | |
63 | "seconds to delay before entering selective suspend"); | |
64 | ||
65 | enum RTS51X_STAT { | |
66 | RTS51X_STAT_INIT, | |
67 | RTS51X_STAT_IDLE, | |
68 | RTS51X_STAT_RUN, | |
69 | RTS51X_STAT_SS | |
70 | }; | |
71 | ||
72 | #define POLLING_INTERVAL 50 | |
73 | ||
74 | #define rts51x_set_stat(chip, stat) \ | |
75 | ((chip)->state = (enum RTS51X_STAT)(stat)) | |
76 | #define rts51x_get_stat(chip) ((chip)->state) | |
77 | ||
78 | #define SET_LUN_READY(chip, lun) ((chip)->lun_ready |= ((u8)1 << (lun))) | |
79 | #define CLR_LUN_READY(chip, lun) ((chip)->lun_ready &= ~((u8)1 << (lun))) | |
80 | #define TST_LUN_READY(chip, lun) ((chip)->lun_ready & ((u8)1 << (lun))) | |
81 | ||
82 | #endif | |
83 | ||
50a6cb93 | 84 | struct rts51x_status { |
85 | u16 vid; | |
86 | u16 pid; | |
87 | u8 cur_lun; | |
88 | u8 card_type; | |
89 | u8 total_lun; | |
90 | u16 fw_ver; | |
91 | u8 phy_exist; | |
92 | u8 multi_flag; | |
93 | u8 multi_card; | |
94 | u8 log_exist; | |
95 | union { | |
96 | u8 detailed_type1; | |
97 | u8 detailed_type2; | |
98 | } detailed_type; | |
99 | u8 function[2]; | |
100 | }; | |
101 | ||
102 | struct rts51x_chip { | |
151d9fad | 103 | u16 vendor_id; |
104 | u16 product_id; | |
105 | char max_lun; | |
50a6cb93 | 106 | |
151d9fad | 107 | struct rts51x_status *status; |
108 | int status_len; | |
50a6cb93 | 109 | |
e931830b | 110 | u32 flag; |
e931830b | 111 | struct us_data *us; |
1c9e55cd WW |
112 | |
113 | #ifdef CONFIG_REALTEK_AUTOPM | |
e931830b | 114 | struct timer_list rts51x_suspend_timer; |
115 | unsigned long timer_expires; | |
116 | int pwr_state; | |
117 | u8 lun_ready; | |
118 | enum RTS51X_STAT state; | |
119 | int support_auto_delink; | |
120 | #endif | |
a6cd244b | 121 | /* used to back up the protocol chosen in probe1 phase */ |
e931830b | 122 | proto_cmnd proto_handler_backup; |
50a6cb93 | 123 | }; |
124 | ||
125 | /* flag definition */ | |
126 | #define FLIDX_AUTO_DELINK 0x01 | |
127 | ||
128 | #define SCSI_LUN(srb) ((srb)->device->lun) | |
129 | ||
130 | /* Bit Operation */ | |
131 | #define SET_BIT(data, idx) ((data) |= 1 << (idx)) | |
132 | #define CLR_BIT(data, idx) ((data) &= ~(1 << (idx))) | |
133 | #define CHK_BIT(data, idx) ((data) & (1 << (idx))) | |
134 | ||
135 | #define SET_AUTO_DELINK(chip) ((chip)->flag |= FLIDX_AUTO_DELINK) | |
136 | #define CLR_AUTO_DELINK(chip) ((chip)->flag &= ~FLIDX_AUTO_DELINK) | |
137 | #define CHK_AUTO_DELINK(chip) ((chip)->flag & FLIDX_AUTO_DELINK) | |
138 | ||
139 | #define RTS51X_GET_VID(chip) ((chip)->vendor_id) | |
140 | #define RTS51X_GET_PID(chip) ((chip)->product_id) | |
141 | ||
e931830b | 142 | #define VENDOR_ID(chip) ((chip)->status[0].vid) |
143 | #define PRODUCT_ID(chip) ((chip)->status[0].pid) | |
50a6cb93 | 144 | #define FW_VERSION(chip) ((chip)->status[0].fw_ver) |
145 | #define STATUS_LEN(chip) ((chip)->status_len) | |
146 | ||
e931830b | 147 | #define STATUS_SUCCESS 0 |
148 | #define STATUS_FAIL 1 | |
149 | ||
50a6cb93 | 150 | /* Check card reader function */ |
151 | #define SUPPORT_DETAILED_TYPE1(chip) \ | |
152 | CHK_BIT((chip)->status[0].function[0], 1) | |
153 | #define SUPPORT_OT(chip) \ | |
154 | CHK_BIT((chip)->status[0].function[0], 2) | |
155 | #define SUPPORT_OC(chip) \ | |
156 | CHK_BIT((chip)->status[0].function[0], 3) | |
157 | #define SUPPORT_AUTO_DELINK(chip) \ | |
158 | CHK_BIT((chip)->status[0].function[0], 4) | |
159 | #define SUPPORT_SDIO(chip) \ | |
160 | CHK_BIT((chip)->status[0].function[1], 0) | |
161 | #define SUPPORT_DETAILED_TYPE2(chip) \ | |
162 | CHK_BIT((chip)->status[0].function[1], 1) | |
163 | ||
164 | #define CHECK_PID(chip, pid) (RTS51X_GET_PID(chip) == (pid)) | |
165 | #define CHECK_FW_VER(chip, fw_ver) (FW_VERSION(chip) == (fw_ver)) | |
166 | #define CHECK_ID(chip, pid, fw_ver) \ | |
167 | (CHECK_PID((chip), (pid)) && CHECK_FW_VER((chip), (fw_ver))) | |
168 | ||
50a6cb93 | 169 | static int init_realtek_cr(struct us_data *us); |
170 | ||
171 | /* | |
172 | * The table of devices | |
173 | */ | |
174 | #define UNUSUAL_DEV(id_vendor, id_product, bcdDeviceMin, bcdDeviceMax, \ | |
175 | vendorName, productName, useProtocol, useTransport, \ | |
176 | initFunction, flags) \ | |
177 | {\ | |
178 | USB_DEVICE_VER(id_vendor, id_product, bcdDeviceMin, bcdDeviceMax), \ | |
f61870ee | 179 | .driver_info = (flags) \ |
50a6cb93 | 180 | } |
181 | ||
8a9e658a | 182 | static const struct usb_device_id realtek_cr_ids[] = { |
50a6cb93 | 183 | # include "unusual_realtek.h" |
151d9fad | 184 | {} /* Terminating entry */ |
50a6cb93 | 185 | }; |
151d9fad | 186 | |
50a6cb93 | 187 | MODULE_DEVICE_TABLE(usb, realtek_cr_ids); |
188 | ||
189 | #undef UNUSUAL_DEV | |
190 | ||
191 | /* | |
192 | * The flags table | |
193 | */ | |
194 | #define UNUSUAL_DEV(idVendor, idProduct, bcdDeviceMin, bcdDeviceMax, \ | |
195 | vendor_name, product_name, use_protocol, use_transport, \ | |
196 | init_function, Flags) \ | |
197 | { \ | |
198 | .vendorName = vendor_name, \ | |
199 | .productName = product_name, \ | |
200 | .useProtocol = use_protocol, \ | |
201 | .useTransport = use_transport, \ | |
202 | .initFunction = init_function, \ | |
203 | } | |
204 | ||
205 | static struct us_unusual_dev realtek_cr_unusual_dev_list[] = { | |
206 | # include "unusual_realtek.h" | |
151d9fad | 207 | {} /* Terminating entry */ |
50a6cb93 | 208 | }; |
209 | ||
210 | #undef UNUSUAL_DEV | |
211 | ||
212 | static int rts51x_bulk_transport(struct us_data *us, u8 lun, | |
213 | u8 *cmd, int cmd_len, u8 *buf, int buf_len, | |
214 | enum dma_data_direction dir, int *act_len) | |
215 | { | |
151d9fad | 216 | struct bulk_cb_wrap *bcb = (struct bulk_cb_wrap *)us->iobuf; |
217 | struct bulk_cs_wrap *bcs = (struct bulk_cs_wrap *)us->iobuf; | |
50a6cb93 | 218 | int result; |
219 | unsigned int residue; | |
220 | unsigned int cswlen; | |
221 | unsigned int cbwlen = US_BULK_CB_WRAP_LEN; | |
222 | ||
223 | /* set up the command wrapper */ | |
224 | bcb->Signature = cpu_to_le32(US_BULK_CB_SIGN); | |
225 | bcb->DataTransferLength = cpu_to_le32(buf_len); | |
b8db6d64 | 226 | bcb->Flags = (dir == DMA_FROM_DEVICE) ? US_BULK_FLAG_IN : 0; |
50a6cb93 | 227 | bcb->Tag = ++us->tag; |
228 | bcb->Lun = lun; | |
229 | bcb->Length = cmd_len; | |
230 | ||
231 | /* copy the command payload */ | |
232 | memset(bcb->CDB, 0, sizeof(bcb->CDB)); | |
233 | memcpy(bcb->CDB, cmd, bcb->Length); | |
234 | ||
235 | /* send it to out endpoint */ | |
236 | result = usb_stor_bulk_transfer_buf(us, us->send_bulk_pipe, | |
151d9fad | 237 | bcb, cbwlen, NULL); |
50a6cb93 | 238 | if (result != USB_STOR_XFER_GOOD) |
239 | return USB_STOR_TRANSPORT_ERROR; | |
240 | ||
241 | /* DATA STAGE */ | |
242 | /* send/receive data payload, if there is any */ | |
243 | ||
244 | if (buf && buf_len) { | |
245 | unsigned int pipe = (dir == DMA_FROM_DEVICE) ? | |
151d9fad | 246 | us->recv_bulk_pipe : us->send_bulk_pipe; |
50a6cb93 | 247 | result = usb_stor_bulk_transfer_buf(us, pipe, |
151d9fad | 248 | buf, buf_len, NULL); |
50a6cb93 | 249 | if (result == USB_STOR_XFER_ERROR) |
250 | return USB_STOR_TRANSPORT_ERROR; | |
251 | } | |
252 | ||
253 | /* get CSW for device status */ | |
254 | result = usb_stor_bulk_transfer_buf(us, us->recv_bulk_pipe, | |
151d9fad | 255 | bcs, US_BULK_CS_WRAP_LEN, &cswlen); |
50a6cb93 | 256 | if (result != USB_STOR_XFER_GOOD) |
257 | return USB_STOR_TRANSPORT_ERROR; | |
258 | ||
259 | /* check bulk status */ | |
260 | if (bcs->Signature != cpu_to_le32(US_BULK_CS_SIGN)) { | |
191648d0 JP |
261 | usb_stor_dbg(us, "Signature mismatch: got %08X, expecting %08X\n", |
262 | le32_to_cpu(bcs->Signature), US_BULK_CS_SIGN); | |
50a6cb93 | 263 | return USB_STOR_TRANSPORT_ERROR; |
264 | } | |
265 | ||
266 | residue = bcs->Residue; | |
267 | if (bcs->Tag != us->tag) | |
268 | return USB_STOR_TRANSPORT_ERROR; | |
269 | ||
270 | /* try to compute the actual residue, based on how much data | |
271 | * was really transferred and what the device tells us */ | |
272 | if (residue) | |
273 | residue = residue < buf_len ? residue : buf_len; | |
274 | ||
275 | if (act_len) | |
276 | *act_len = buf_len - residue; | |
277 | ||
278 | /* based on the status code, we report good or bad */ | |
279 | switch (bcs->Status) { | |
280 | case US_BULK_STAT_OK: | |
281 | /* command good -- note that data could be short */ | |
282 | return USB_STOR_TRANSPORT_GOOD; | |
283 | ||
284 | case US_BULK_STAT_FAIL: | |
285 | /* command failed */ | |
286 | return USB_STOR_TRANSPORT_FAILED; | |
287 | ||
288 | case US_BULK_STAT_PHASE: | |
289 | /* phase error -- note that a transport reset will be | |
151d9fad | 290 | * invoked by the invoke_transport() function |
291 | */ | |
50a6cb93 | 292 | return USB_STOR_TRANSPORT_ERROR; |
293 | } | |
294 | ||
295 | /* we should never get here, but if we do, we're in trouble */ | |
296 | return USB_STOR_TRANSPORT_ERROR; | |
297 | } | |
298 | ||
45e1892e | 299 | static int rts51x_bulk_transport_special(struct us_data *us, u8 lun, |
300 | u8 *cmd, int cmd_len, u8 *buf, int buf_len, | |
301 | enum dma_data_direction dir, int *act_len) | |
302 | { | |
303 | struct bulk_cb_wrap *bcb = (struct bulk_cb_wrap *) us->iobuf; | |
304 | struct bulk_cs_wrap *bcs = (struct bulk_cs_wrap *) us->iobuf; | |
305 | int result; | |
306 | unsigned int cswlen; | |
307 | unsigned int cbwlen = US_BULK_CB_WRAP_LEN; | |
308 | ||
309 | /* set up the command wrapper */ | |
310 | bcb->Signature = cpu_to_le32(US_BULK_CB_SIGN); | |
311 | bcb->DataTransferLength = cpu_to_le32(buf_len); | |
b8db6d64 | 312 | bcb->Flags = (dir == DMA_FROM_DEVICE) ? US_BULK_FLAG_IN : 0; |
45e1892e | 313 | bcb->Tag = ++us->tag; |
314 | bcb->Lun = lun; | |
315 | bcb->Length = cmd_len; | |
316 | ||
317 | /* copy the command payload */ | |
318 | memset(bcb->CDB, 0, sizeof(bcb->CDB)); | |
319 | memcpy(bcb->CDB, cmd, bcb->Length); | |
320 | ||
321 | /* send it to out endpoint */ | |
322 | result = usb_stor_bulk_transfer_buf(us, us->send_bulk_pipe, | |
323 | bcb, cbwlen, NULL); | |
324 | if (result != USB_STOR_XFER_GOOD) | |
325 | return USB_STOR_TRANSPORT_ERROR; | |
326 | ||
327 | /* DATA STAGE */ | |
328 | /* send/receive data payload, if there is any */ | |
329 | ||
330 | if (buf && buf_len) { | |
331 | unsigned int pipe = (dir == DMA_FROM_DEVICE) ? | |
332 | us->recv_bulk_pipe : us->send_bulk_pipe; | |
333 | result = usb_stor_bulk_transfer_buf(us, pipe, | |
334 | buf, buf_len, NULL); | |
335 | if (result == USB_STOR_XFER_ERROR) | |
336 | return USB_STOR_TRANSPORT_ERROR; | |
337 | } | |
338 | ||
339 | /* get CSW for device status */ | |
340 | result = usb_bulk_msg(us->pusb_dev, us->recv_bulk_pipe, bcs, | |
341 | US_BULK_CS_WRAP_LEN, &cswlen, 250); | |
342 | return result; | |
343 | } | |
344 | ||
50a6cb93 | 345 | /* Determine what the maximum LUN supported is */ |
346 | static int rts51x_get_max_lun(struct us_data *us) | |
347 | { | |
348 | int result; | |
349 | ||
350 | /* issue the command */ | |
351 | us->iobuf[0] = 0; | |
352 | result = usb_stor_control_msg(us, us->recv_ctrl_pipe, | |
151d9fad | 353 | US_BULK_GET_MAX_LUN, |
354 | USB_DIR_IN | USB_TYPE_CLASS | | |
355 | USB_RECIP_INTERFACE, | |
356 | 0, us->ifnum, us->iobuf, 1, 10 * HZ); | |
50a6cb93 | 357 | |
191648d0 JP |
358 | usb_stor_dbg(us, "GetMaxLUN command result is %d, data is %d\n", |
359 | result, us->iobuf[0]); | |
50a6cb93 | 360 | |
361 | /* if we have a successful request, return the result */ | |
362 | if (result > 0) | |
363 | return us->iobuf[0]; | |
364 | ||
365 | return 0; | |
366 | } | |
367 | ||
368 | static int rts51x_read_mem(struct us_data *us, u16 addr, u8 *data, u16 len) | |
369 | { | |
370 | int retval; | |
151d9fad | 371 | u8 cmnd[12] = { 0 }; |
065e6096 AC |
372 | u8 *buf; |
373 | ||
374 | buf = kmalloc(len, GFP_NOIO); | |
375 | if (buf == NULL) | |
376 | return USB_STOR_TRANSPORT_ERROR; | |
50a6cb93 | 377 | |
191648d0 | 378 | usb_stor_dbg(us, "addr = 0x%x, len = %d\n", addr, len); |
50a6cb93 | 379 | |
380 | cmnd[0] = 0xF0; | |
381 | cmnd[1] = 0x0D; | |
151d9fad | 382 | cmnd[2] = (u8) (addr >> 8); |
383 | cmnd[3] = (u8) addr; | |
384 | cmnd[4] = (u8) (len >> 8); | |
385 | cmnd[5] = (u8) len; | |
50a6cb93 | 386 | |
387 | retval = rts51x_bulk_transport(us, 0, cmnd, 12, | |
065e6096 AC |
388 | buf, len, DMA_FROM_DEVICE, NULL); |
389 | if (retval != USB_STOR_TRANSPORT_GOOD) { | |
390 | kfree(buf); | |
50a6cb93 | 391 | return -EIO; |
065e6096 | 392 | } |
50a6cb93 | 393 | |
065e6096 AC |
394 | memcpy(data, buf, len); |
395 | kfree(buf); | |
50a6cb93 | 396 | return 0; |
397 | } | |
398 | ||
399 | static int rts51x_write_mem(struct us_data *us, u16 addr, u8 *data, u16 len) | |
400 | { | |
401 | int retval; | |
151d9fad | 402 | u8 cmnd[12] = { 0 }; |
065e6096 AC |
403 | u8 *buf; |
404 | ||
eb545522 | 405 | buf = kmemdup(data, len, GFP_NOIO); |
065e6096 AC |
406 | if (buf == NULL) |
407 | return USB_STOR_TRANSPORT_ERROR; | |
50a6cb93 | 408 | |
191648d0 | 409 | usb_stor_dbg(us, "addr = 0x%x, len = %d\n", addr, len); |
50a6cb93 | 410 | |
411 | cmnd[0] = 0xF0; | |
412 | cmnd[1] = 0x0E; | |
151d9fad | 413 | cmnd[2] = (u8) (addr >> 8); |
414 | cmnd[3] = (u8) addr; | |
415 | cmnd[4] = (u8) (len >> 8); | |
416 | cmnd[5] = (u8) len; | |
50a6cb93 | 417 | |
418 | retval = rts51x_bulk_transport(us, 0, cmnd, 12, | |
065e6096 AC |
419 | buf, len, DMA_TO_DEVICE, NULL); |
420 | kfree(buf); | |
50a6cb93 | 421 | if (retval != USB_STOR_TRANSPORT_GOOD) |
422 | return -EIO; | |
423 | ||
424 | return 0; | |
425 | } | |
426 | ||
427 | static int rts51x_read_status(struct us_data *us, | |
428 | u8 lun, u8 *status, int len, int *actlen) | |
429 | { | |
430 | int retval; | |
151d9fad | 431 | u8 cmnd[12] = { 0 }; |
065e6096 AC |
432 | u8 *buf; |
433 | ||
434 | buf = kmalloc(len, GFP_NOIO); | |
435 | if (buf == NULL) | |
436 | return USB_STOR_TRANSPORT_ERROR; | |
50a6cb93 | 437 | |
191648d0 | 438 | usb_stor_dbg(us, "lun = %d\n", lun); |
50a6cb93 | 439 | |
440 | cmnd[0] = 0xF0; | |
441 | cmnd[1] = 0x09; | |
442 | ||
443 | retval = rts51x_bulk_transport(us, lun, cmnd, 12, | |
065e6096 AC |
444 | buf, len, DMA_FROM_DEVICE, actlen); |
445 | if (retval != USB_STOR_TRANSPORT_GOOD) { | |
446 | kfree(buf); | |
50a6cb93 | 447 | return -EIO; |
065e6096 | 448 | } |
50a6cb93 | 449 | |
065e6096 AC |
450 | memcpy(status, buf, len); |
451 | kfree(buf); | |
50a6cb93 | 452 | return 0; |
453 | } | |
454 | ||
455 | static int rts51x_check_status(struct us_data *us, u8 lun) | |
456 | { | |
457 | struct rts51x_chip *chip = (struct rts51x_chip *)(us->extra); | |
458 | int retval; | |
459 | u8 buf[16]; | |
460 | ||
461 | retval = rts51x_read_status(us, lun, buf, 16, &(chip->status_len)); | |
806df3ac | 462 | if (retval != STATUS_SUCCESS) |
50a6cb93 | 463 | return -EIO; |
464 | ||
191648d0 | 465 | usb_stor_dbg(us, "chip->status_len = %d\n", chip->status_len); |
50a6cb93 | 466 | |
151d9fad | 467 | chip->status[lun].vid = ((u16) buf[0] << 8) | buf[1]; |
468 | chip->status[lun].pid = ((u16) buf[2] << 8) | buf[3]; | |
50a6cb93 | 469 | chip->status[lun].cur_lun = buf[4]; |
470 | chip->status[lun].card_type = buf[5]; | |
471 | chip->status[lun].total_lun = buf[6]; | |
151d9fad | 472 | chip->status[lun].fw_ver = ((u16) buf[7] << 8) | buf[8]; |
50a6cb93 | 473 | chip->status[lun].phy_exist = buf[9]; |
474 | chip->status[lun].multi_flag = buf[10]; | |
475 | chip->status[lun].multi_card = buf[11]; | |
476 | chip->status[lun].log_exist = buf[12]; | |
477 | if (chip->status_len == 16) { | |
478 | chip->status[lun].detailed_type.detailed_type1 = buf[13]; | |
479 | chip->status[lun].function[0] = buf[14]; | |
480 | chip->status[lun].function[1] = buf[15]; | |
481 | } | |
482 | ||
483 | return 0; | |
484 | } | |
485 | ||
486 | static int enable_oscillator(struct us_data *us) | |
487 | { | |
488 | int retval; | |
489 | u8 value; | |
490 | ||
491 | retval = rts51x_read_mem(us, 0xFE77, &value, 1); | |
492 | if (retval < 0) | |
493 | return -EIO; | |
494 | ||
495 | value |= 0x04; | |
496 | retval = rts51x_write_mem(us, 0xFE77, &value, 1); | |
497 | if (retval < 0) | |
498 | return -EIO; | |
499 | ||
500 | retval = rts51x_read_mem(us, 0xFE77, &value, 1); | |
501 | if (retval < 0) | |
502 | return -EIO; | |
503 | ||
504 | if (!(value & 0x04)) | |
505 | return -EIO; | |
506 | ||
507 | return 0; | |
508 | } | |
509 | ||
45e1892e | 510 | static int __do_config_autodelink(struct us_data *us, u8 *data, u16 len) |
511 | { | |
512 | int retval; | |
45e1892e | 513 | u8 cmnd[12] = {0}; |
4898e071 | 514 | u8 *buf; |
45e1892e | 515 | |
191648d0 | 516 | usb_stor_dbg(us, "addr = 0xfe47, len = %d\n", len); |
45e1892e | 517 | |
4898e071 | 518 | buf = kmemdup(data, len, GFP_NOIO); |
519 | if (!buf) | |
520 | return USB_STOR_TRANSPORT_ERROR; | |
521 | ||
45e1892e | 522 | cmnd[0] = 0xF0; |
523 | cmnd[1] = 0x0E; | |
d762ad47 FB |
524 | cmnd[2] = 0xfe; |
525 | cmnd[3] = 0x47; | |
45e1892e | 526 | cmnd[4] = (u8)(len >> 8); |
527 | cmnd[5] = (u8)len; | |
528 | ||
4898e071 | 529 | retval = rts51x_bulk_transport_special(us, 0, cmnd, 12, buf, len, DMA_TO_DEVICE, NULL); |
530 | kfree(buf); | |
45e1892e | 531 | if (retval != USB_STOR_TRANSPORT_GOOD) { |
532 | return -EIO; | |
533 | } | |
534 | ||
535 | return 0; | |
536 | } | |
537 | ||
50a6cb93 | 538 | static int do_config_autodelink(struct us_data *us, int enable, int force) |
539 | { | |
540 | int retval; | |
541 | u8 value; | |
542 | ||
543 | retval = rts51x_read_mem(us, 0xFE47, &value, 1); | |
544 | if (retval < 0) | |
545 | return -EIO; | |
546 | ||
547 | if (enable) { | |
548 | if (force) | |
549 | value |= 0x03; | |
550 | else | |
551 | value |= 0x01; | |
552 | } else { | |
553 | value &= ~0x03; | |
554 | } | |
555 | ||
191648d0 | 556 | usb_stor_dbg(us, "set 0xfe47 to 0x%x\n", value); |
50a6cb93 | 557 | |
45e1892e | 558 | /* retval = rts51x_write_mem(us, 0xFE47, &value, 1); */ |
559 | retval = __do_config_autodelink(us, &value, 1); | |
50a6cb93 | 560 | if (retval < 0) |
561 | return -EIO; | |
562 | ||
563 | return 0; | |
564 | } | |
565 | ||
566 | static int config_autodelink_after_power_on(struct us_data *us) | |
567 | { | |
568 | struct rts51x_chip *chip = (struct rts51x_chip *)(us->extra); | |
569 | int retval; | |
570 | u8 value; | |
571 | ||
572 | if (!CHK_AUTO_DELINK(chip)) | |
573 | return 0; | |
574 | ||
575 | retval = rts51x_read_mem(us, 0xFE47, &value, 1); | |
576 | if (retval < 0) | |
577 | return -EIO; | |
578 | ||
579 | if (auto_delink_en) { | |
580 | CLR_BIT(value, 0); | |
581 | CLR_BIT(value, 1); | |
582 | SET_BIT(value, 2); | |
583 | ||
584 | if (CHECK_ID(chip, 0x0138, 0x3882)) | |
585 | CLR_BIT(value, 2); | |
586 | ||
587 | SET_BIT(value, 7); | |
588 | ||
45e1892e | 589 | /* retval = rts51x_write_mem(us, 0xFE47, &value, 1); */ |
590 | retval = __do_config_autodelink(us, &value, 1); | |
50a6cb93 | 591 | if (retval < 0) |
592 | return -EIO; | |
593 | ||
594 | retval = enable_oscillator(us); | |
595 | if (retval == 0) | |
596 | (void)do_config_autodelink(us, 1, 0); | |
597 | } else { | |
598 | /* Autodelink controlled by firmware */ | |
599 | ||
600 | SET_BIT(value, 2); | |
601 | ||
602 | if (CHECK_ID(chip, 0x0138, 0x3882)) | |
603 | CLR_BIT(value, 2); | |
604 | ||
605 | if (CHECK_ID(chip, 0x0159, 0x5889) || | |
151d9fad | 606 | CHECK_ID(chip, 0x0138, 0x3880)) { |
50a6cb93 | 607 | CLR_BIT(value, 0); |
608 | CLR_BIT(value, 7); | |
609 | } | |
610 | ||
45e1892e | 611 | /* retval = rts51x_write_mem(us, 0xFE47, &value, 1); */ |
612 | retval = __do_config_autodelink(us, &value, 1); | |
50a6cb93 | 613 | if (retval < 0) |
614 | return -EIO; | |
615 | ||
616 | if (CHECK_ID(chip, 0x0159, 0x5888)) { | |
617 | value = 0xFF; | |
618 | retval = rts51x_write_mem(us, 0xFE79, &value, 1); | |
619 | if (retval < 0) | |
620 | return -EIO; | |
621 | ||
622 | value = 0x01; | |
623 | retval = rts51x_write_mem(us, 0x48, &value, 1); | |
624 | if (retval < 0) | |
625 | return -EIO; | |
626 | } | |
627 | } | |
628 | ||
629 | return 0; | |
630 | } | |
631 | ||
ec5633ba | 632 | #ifdef CONFIG_PM |
50a6cb93 | 633 | static int config_autodelink_before_power_down(struct us_data *us) |
634 | { | |
635 | struct rts51x_chip *chip = (struct rts51x_chip *)(us->extra); | |
636 | int retval; | |
637 | u8 value; | |
638 | ||
639 | if (!CHK_AUTO_DELINK(chip)) | |
640 | return 0; | |
641 | ||
642 | if (auto_delink_en) { | |
643 | retval = rts51x_read_mem(us, 0xFE77, &value, 1); | |
644 | if (retval < 0) | |
645 | return -EIO; | |
646 | ||
647 | SET_BIT(value, 2); | |
648 | retval = rts51x_write_mem(us, 0xFE77, &value, 1); | |
649 | if (retval < 0) | |
650 | return -EIO; | |
651 | ||
652 | if (CHECK_ID(chip, 0x0159, 0x5888)) { | |
653 | value = 0x01; | |
654 | retval = rts51x_write_mem(us, 0x48, &value, 1); | |
655 | if (retval < 0) | |
656 | return -EIO; | |
657 | } | |
658 | ||
659 | retval = rts51x_read_mem(us, 0xFE47, &value, 1); | |
660 | if (retval < 0) | |
661 | return -EIO; | |
662 | ||
663 | SET_BIT(value, 0); | |
664 | if (CHECK_ID(chip, 0x0138, 0x3882)) | |
665 | SET_BIT(value, 2); | |
666 | retval = rts51x_write_mem(us, 0xFE77, &value, 1); | |
667 | if (retval < 0) | |
668 | return -EIO; | |
669 | } else { | |
670 | if (CHECK_ID(chip, 0x0159, 0x5889) || | |
151d9fad | 671 | CHECK_ID(chip, 0x0138, 0x3880) || |
672 | CHECK_ID(chip, 0x0138, 0x3882)) { | |
50a6cb93 | 673 | retval = rts51x_read_mem(us, 0xFE47, &value, 1); |
674 | if (retval < 0) | |
675 | return -EIO; | |
676 | ||
677 | if (CHECK_ID(chip, 0x0159, 0x5889) || | |
151d9fad | 678 | CHECK_ID(chip, 0x0138, 0x3880)) { |
50a6cb93 | 679 | SET_BIT(value, 0); |
680 | SET_BIT(value, 7); | |
681 | } | |
682 | ||
683 | if (CHECK_ID(chip, 0x0138, 0x3882)) | |
684 | SET_BIT(value, 2); | |
685 | ||
45e1892e | 686 | /* retval = rts51x_write_mem(us, 0xFE47, &value, 1); */ |
687 | retval = __do_config_autodelink(us, &value, 1); | |
50a6cb93 | 688 | if (retval < 0) |
689 | return -EIO; | |
690 | } | |
691 | ||
692 | if (CHECK_ID(chip, 0x0159, 0x5888)) { | |
693 | value = 0x01; | |
694 | retval = rts51x_write_mem(us, 0x48, &value, 1); | |
695 | if (retval < 0) | |
696 | return -EIO; | |
697 | } | |
698 | } | |
699 | ||
e931830b | 700 | return 0; |
701 | } | |
702 | ||
703 | static void fw5895_init(struct us_data *us) | |
704 | { | |
705 | struct rts51x_chip *chip = (struct rts51x_chip *)(us->extra); | |
706 | int retval; | |
707 | u8 val; | |
708 | ||
e931830b | 709 | if ((PRODUCT_ID(chip) != 0x0158) || (FW_VERSION(chip) != 0x5895)) { |
191648d0 | 710 | usb_stor_dbg(us, "Not the specified device, return immediately!\n"); |
e931830b | 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) | |
191648d0 | 717 | usb_stor_dbg(us, "Write memory fail\n"); |
e931830b | 718 | } else { |
191648d0 | 719 | usb_stor_dbg(us, "Read memory fail, OR (val & 0x1F) != 0\n"); |
e931830b | 720 | } |
721 | } | |
e931830b | 722 | } |
ec5633ba | 723 | #endif |
e931830b | 724 | |
725 | #ifdef CONFIG_REALTEK_AUTOPM | |
726 | static void fw5895_set_mmc_wp(struct us_data *us) | |
727 | { | |
728 | struct rts51x_chip *chip = (struct rts51x_chip *)(us->extra); | |
729 | int retval; | |
730 | u8 buf[13]; | |
731 | ||
e931830b | 732 | if ((PRODUCT_ID(chip) != 0x0158) || (FW_VERSION(chip) != 0x5895)) { |
191648d0 | 733 | usb_stor_dbg(us, "Not the specified device, return immediately!\n"); |
e931830b | 734 | } else { |
735 | retval = rts51x_read_mem(us, 0xFD6F, buf, 1); | |
736 | if (retval == STATUS_SUCCESS && (buf[0] & 0x24) == 0x24) { | |
737 | /* SD Exist and SD WP */ | |
738 | retval = rts51x_read_mem(us, 0xD04E, buf, 1); | |
739 | if (retval == STATUS_SUCCESS) { | |
740 | buf[0] |= 0x04; | |
741 | retval = rts51x_write_mem(us, 0xFD70, buf, 1); | |
742 | if (retval != STATUS_SUCCESS) | |
191648d0 | 743 | usb_stor_dbg(us, "Write memory fail\n"); |
e931830b | 744 | } else { |
191648d0 | 745 | usb_stor_dbg(us, "Read memory fail\n"); |
e931830b | 746 | } |
747 | } else { | |
191648d0 | 748 | usb_stor_dbg(us, "Read memory fail, OR (buf[0]&0x24)!=0x24\n"); |
e931830b | 749 | } |
750 | } | |
e931830b | 751 | } |
752 | ||
753 | static void rts51x_modi_suspend_timer(struct rts51x_chip *chip) | |
754 | { | |
191648d0 JP |
755 | struct us_data *us = chip->us; |
756 | ||
757 | usb_stor_dbg(us, "state:%d\n", rts51x_get_stat(chip)); | |
e931830b | 758 | |
759 | chip->timer_expires = jiffies + msecs_to_jiffies(1000*ss_delay); | |
760 | mod_timer(&chip->rts51x_suspend_timer, chip->timer_expires); | |
e931830b | 761 | } |
762 | ||
763 | static void rts51x_suspend_timer_fn(unsigned long data) | |
764 | { | |
765 | struct rts51x_chip *chip = (struct rts51x_chip *)data; | |
766 | struct us_data *us = chip->us; | |
767 | ||
e931830b | 768 | switch (rts51x_get_stat(chip)) { |
769 | case RTS51X_STAT_INIT: | |
770 | case RTS51X_STAT_RUN: | |
771 | rts51x_modi_suspend_timer(chip); | |
772 | break; | |
773 | case RTS51X_STAT_IDLE: | |
774 | case RTS51X_STAT_SS: | |
191648d0 JP |
775 | usb_stor_dbg(us, "RTS51X_STAT_SS, intf->pm_usage_cnt:%d, power.usage:%d\n", |
776 | atomic_read(&us->pusb_intf->pm_usage_cnt), | |
777 | atomic_read(&us->pusb_intf->dev.power.usage_count)); | |
e931830b | 778 | |
779 | if (atomic_read(&us->pusb_intf->pm_usage_cnt) > 0) { | |
191648d0 | 780 | usb_stor_dbg(us, "Ready to enter SS state\n"); |
e931830b | 781 | rts51x_set_stat(chip, RTS51X_STAT_SS); |
782 | /* ignore mass storage interface's children */ | |
783 | pm_suspend_ignore_children(&us->pusb_intf->dev, true); | |
b3ef051d | 784 | usb_autopm_put_interface_async(us->pusb_intf); |
191648d0 JP |
785 | usb_stor_dbg(us, "RTS51X_STAT_SS 01, intf->pm_usage_cnt:%d, power.usage:%d\n", |
786 | atomic_read(&us->pusb_intf->pm_usage_cnt), | |
787 | atomic_read(&us->pusb_intf->dev.power.usage_count)); | |
e931830b | 788 | } |
789 | break; | |
790 | default: | |
191648d0 | 791 | usb_stor_dbg(us, "Unknown state !!!\n"); |
e931830b | 792 | break; |
793 | } | |
e931830b | 794 | } |
795 | ||
796 | static inline int working_scsi(struct scsi_cmnd *srb) | |
797 | { | |
798 | if ((srb->cmnd[0] == TEST_UNIT_READY) || | |
799 | (srb->cmnd[0] == ALLOW_MEDIUM_REMOVAL)) { | |
800 | return 0; | |
801 | } | |
802 | ||
803 | return 1; | |
804 | } | |
805 | ||
d762ad47 | 806 | static void rts51x_invoke_transport(struct scsi_cmnd *srb, struct us_data *us) |
e931830b | 807 | { |
808 | struct rts51x_chip *chip = (struct rts51x_chip *)(us->extra); | |
809 | static int card_first_show = 1; | |
810 | static u8 media_not_present[] = { 0x70, 0, 0x02, 0, 0, 0, 0, | |
811 | 10, 0, 0, 0, 0, 0x3A, 0, 0, 0, 0, 0 | |
812 | }; | |
813 | static u8 invalid_cmd_field[] = { 0x70, 0, 0x05, 0, 0, 0, 0, | |
814 | 10, 0, 0, 0, 0, 0x24, 0, 0, 0, 0, 0 | |
815 | }; | |
816 | int ret; | |
817 | ||
e931830b | 818 | if (working_scsi(srb)) { |
191648d0 JP |
819 | usb_stor_dbg(us, "working scsi, intf->pm_usage_cnt:%d, power.usage:%d\n", |
820 | atomic_read(&us->pusb_intf->pm_usage_cnt), | |
821 | atomic_read(&us->pusb_intf->dev.power.usage_count)); | |
e931830b | 822 | |
823 | if (atomic_read(&us->pusb_intf->pm_usage_cnt) <= 0) { | |
824 | ret = usb_autopm_get_interface(us->pusb_intf); | |
191648d0 | 825 | usb_stor_dbg(us, "working scsi, ret=%d\n", ret); |
e931830b | 826 | } |
827 | if (rts51x_get_stat(chip) != RTS51X_STAT_RUN) | |
828 | rts51x_set_stat(chip, RTS51X_STAT_RUN); | |
829 | chip->proto_handler_backup(srb, us); | |
830 | } else { | |
831 | if (rts51x_get_stat(chip) == RTS51X_STAT_SS) { | |
191648d0 | 832 | usb_stor_dbg(us, "NOT working scsi\n"); |
e931830b | 833 | if ((srb->cmnd[0] == TEST_UNIT_READY) && |
834 | (chip->pwr_state == US_SUSPEND)) { | |
835 | if (TST_LUN_READY(chip, srb->device->lun)) { | |
836 | srb->result = SAM_STAT_GOOD; | |
837 | } else { | |
838 | srb->result = SAM_STAT_CHECK_CONDITION; | |
839 | memcpy(srb->sense_buffer, | |
840 | media_not_present, | |
841 | US_SENSE_SIZE); | |
842 | } | |
191648d0 | 843 | usb_stor_dbg(us, "TEST_UNIT_READY\n"); |
e931830b | 844 | goto out; |
845 | } | |
846 | if (srb->cmnd[0] == ALLOW_MEDIUM_REMOVAL) { | |
847 | int prevent = srb->cmnd[4] & 0x1; | |
848 | if (prevent) { | |
849 | srb->result = SAM_STAT_CHECK_CONDITION; | |
850 | memcpy(srb->sense_buffer, | |
851 | invalid_cmd_field, | |
852 | US_SENSE_SIZE); | |
853 | } else { | |
854 | srb->result = SAM_STAT_GOOD; | |
855 | } | |
191648d0 | 856 | usb_stor_dbg(us, "ALLOW_MEDIUM_REMOVAL\n"); |
e931830b | 857 | goto out; |
858 | } | |
859 | } else { | |
191648d0 | 860 | usb_stor_dbg(us, "NOT working scsi, not SS\n"); |
e931830b | 861 | chip->proto_handler_backup(srb, us); |
48fc7f7e | 862 | /* Check whether card is plugged in */ |
e931830b | 863 | if (srb->cmnd[0] == TEST_UNIT_READY) { |
864 | if (srb->result == SAM_STAT_GOOD) { | |
865 | SET_LUN_READY(chip, srb->device->lun); | |
866 | if (card_first_show) { | |
867 | card_first_show = 0; | |
868 | fw5895_set_mmc_wp(us); | |
869 | } | |
870 | } else { | |
871 | CLR_LUN_READY(chip, srb->device->lun); | |
872 | card_first_show = 1; | |
873 | } | |
874 | } | |
875 | if (rts51x_get_stat(chip) != RTS51X_STAT_IDLE) | |
876 | rts51x_set_stat(chip, RTS51X_STAT_IDLE); | |
877 | } | |
878 | } | |
879 | out: | |
191648d0 | 880 | usb_stor_dbg(us, "state:%d\n", rts51x_get_stat(chip)); |
e931830b | 881 | if (rts51x_get_stat(chip) == RTS51X_STAT_RUN) |
882 | rts51x_modi_suspend_timer(chip); | |
e931830b | 883 | } |
884 | ||
885 | static int realtek_cr_autosuspend_setup(struct us_data *us) | |
886 | { | |
887 | struct rts51x_chip *chip; | |
888 | struct rts51x_status *status = NULL; | |
889 | u8 buf[16]; | |
890 | int retval; | |
891 | ||
892 | chip = (struct rts51x_chip *)us->extra; | |
893 | chip->support_auto_delink = 0; | |
894 | chip->pwr_state = US_RESUME; | |
895 | chip->lun_ready = 0; | |
896 | rts51x_set_stat(chip, RTS51X_STAT_INIT); | |
897 | ||
898 | retval = rts51x_read_status(us, 0, buf, 16, &(chip->status_len)); | |
899 | if (retval != STATUS_SUCCESS) { | |
191648d0 | 900 | usb_stor_dbg(us, "Read status fail\n"); |
e931830b | 901 | return -EIO; |
902 | } | |
903 | status = chip->status; | |
904 | status->vid = ((u16) buf[0] << 8) | buf[1]; | |
905 | status->pid = ((u16) buf[2] << 8) | buf[3]; | |
906 | status->cur_lun = buf[4]; | |
907 | status->card_type = buf[5]; | |
908 | status->total_lun = buf[6]; | |
909 | status->fw_ver = ((u16) buf[7] << 8) | buf[8]; | |
910 | status->phy_exist = buf[9]; | |
911 | status->multi_flag = buf[10]; | |
912 | status->multi_card = buf[11]; | |
913 | status->log_exist = buf[12]; | |
914 | if (chip->status_len == 16) { | |
915 | status->detailed_type.detailed_type1 = buf[13]; | |
916 | status->function[0] = buf[14]; | |
917 | status->function[1] = buf[15]; | |
918 | } | |
919 | ||
920 | /* back up the proto_handler in us->extra */ | |
921 | chip = (struct rts51x_chip *)(us->extra); | |
922 | chip->proto_handler_backup = us->proto_handler; | |
923 | /* Set the autosuspend_delay to 0 */ | |
924 | pm_runtime_set_autosuspend_delay(&us->pusb_dev->dev, 0); | |
925 | /* override us->proto_handler setted in get_protocol() */ | |
926 | us->proto_handler = rts51x_invoke_transport; | |
927 | ||
928 | chip->timer_expires = 0; | |
929 | setup_timer(&chip->rts51x_suspend_timer, rts51x_suspend_timer_fn, | |
930 | (unsigned long)chip); | |
931 | fw5895_init(us); | |
932 | ||
a6cd244b | 933 | /* enable autosuspend function of the usb device */ |
e931830b | 934 | usb_enable_autosuspend(us->pusb_dev); |
935 | ||
50a6cb93 | 936 | return 0; |
937 | } | |
e931830b | 938 | #endif |
50a6cb93 | 939 | |
940 | static void realtek_cr_destructor(void *extra) | |
941 | { | |
677a0b5a | 942 | struct rts51x_chip *chip = extra; |
e931830b | 943 | |
50a6cb93 | 944 | if (!chip) |
945 | return; | |
191648d0 | 946 | |
e931830b | 947 | #ifdef CONFIG_REALTEK_AUTOPM |
948 | if (ss_en) { | |
949 | del_timer(&chip->rts51x_suspend_timer); | |
950 | chip->timer_expires = 0; | |
951 | } | |
952 | #endif | |
50a6cb93 | 953 | kfree(chip->status); |
954 | } | |
955 | ||
956 | #ifdef CONFIG_PM | |
d762ad47 | 957 | static int realtek_cr_suspend(struct usb_interface *iface, pm_message_t message) |
50a6cb93 | 958 | { |
e931830b | 959 | struct us_data *us = usb_get_intfdata(iface); |
960 | ||
e931830b | 961 | /* wait until no command is running */ |
962 | mutex_lock(&us->dev_mutex); | |
963 | ||
964 | config_autodelink_before_power_down(us); | |
965 | ||
966 | mutex_unlock(&us->dev_mutex); | |
967 | ||
e931830b | 968 | return 0; |
50a6cb93 | 969 | } |
e931830b | 970 | |
971 | static int realtek_cr_resume(struct usb_interface *iface) | |
972 | { | |
973 | struct us_data *us = usb_get_intfdata(iface); | |
974 | ||
e931830b | 975 | fw5895_init(us); |
976 | config_autodelink_after_power_on(us); | |
977 | ||
e931830b | 978 | return 0; |
979 | } | |
980 | #else | |
981 | #define realtek_cr_suspend NULL | |
982 | #define realtek_cr_resume NULL | |
50a6cb93 | 983 | #endif |
984 | ||
985 | static int init_realtek_cr(struct us_data *us) | |
986 | { | |
987 | struct rts51x_chip *chip; | |
988 | int size, i, retval; | |
989 | ||
990 | chip = kzalloc(sizeof(struct rts51x_chip), GFP_KERNEL); | |
991 | if (!chip) | |
992 | return -ENOMEM; | |
993 | ||
994 | us->extra = chip; | |
995 | us->extra_destructor = realtek_cr_destructor; | |
50a6cb93 | 996 | us->max_lun = chip->max_lun = rts51x_get_max_lun(us); |
1c9e55cd | 997 | chip->us = us; |
50a6cb93 | 998 | |
191648d0 | 999 | usb_stor_dbg(us, "chip->max_lun = %d\n", chip->max_lun); |
50a6cb93 | 1000 | |
1001 | size = (chip->max_lun + 1) * sizeof(struct rts51x_status); | |
1002 | chip->status = kzalloc(size, GFP_KERNEL); | |
1003 | if (!chip->status) | |
1004 | goto INIT_FAIL; | |
1005 | ||
1006 | for (i = 0; i <= (int)(chip->max_lun); i++) { | |
151d9fad | 1007 | retval = rts51x_check_status(us, (u8) i); |
50a6cb93 | 1008 | if (retval < 0) |
1009 | goto INIT_FAIL; | |
1010 | } | |
1011 | ||
1012 | if (CHECK_FW_VER(chip, 0x5888) || CHECK_FW_VER(chip, 0x5889) || | |
151d9fad | 1013 | CHECK_FW_VER(chip, 0x5901)) |
50a6cb93 | 1014 | SET_AUTO_DELINK(chip); |
1015 | if (STATUS_LEN(chip) == 16) { | |
1016 | if (SUPPORT_AUTO_DELINK(chip)) | |
1017 | SET_AUTO_DELINK(chip); | |
1018 | } | |
e931830b | 1019 | #ifdef CONFIG_REALTEK_AUTOPM |
1c9e55cd | 1020 | if (ss_en) |
e931830b | 1021 | realtek_cr_autosuspend_setup(us); |
e931830b | 1022 | #endif |
50a6cb93 | 1023 | |
191648d0 | 1024 | usb_stor_dbg(us, "chip->flag = 0x%x\n", chip->flag); |
50a6cb93 | 1025 | |
1026 | (void)config_autodelink_after_power_on(us); | |
1027 | ||
1028 | return 0; | |
1029 | ||
1030 | INIT_FAIL: | |
1031 | if (us->extra) { | |
1032 | kfree(chip->status); | |
1033 | kfree(us->extra); | |
1034 | us->extra = NULL; | |
1035 | } | |
1036 | ||
1037 | return -EIO; | |
1038 | } | |
1039 | ||
aa519be3 AM |
1040 | static struct scsi_host_template realtek_cr_host_template; |
1041 | ||
50a6cb93 | 1042 | static int realtek_cr_probe(struct usb_interface *intf, |
151d9fad | 1043 | const struct usb_device_id *id) |
50a6cb93 | 1044 | { |
1045 | struct us_data *us; | |
1046 | int result; | |
1047 | ||
191648d0 | 1048 | dev_dbg(&intf->dev, "Probe Realtek Card Reader!\n"); |
50a6cb93 | 1049 | |
1050 | result = usb_stor_probe1(&us, intf, id, | |
151d9fad | 1051 | (id - realtek_cr_ids) + |
aa519be3 AM |
1052 | realtek_cr_unusual_dev_list, |
1053 | &realtek_cr_host_template); | |
50a6cb93 | 1054 | if (result) |
1055 | return result; | |
1056 | ||
1057 | result = usb_stor_probe2(us); | |
151d9fad | 1058 | |
50a6cb93 | 1059 | return result; |
1060 | } | |
1061 | ||
1062 | static struct usb_driver realtek_cr_driver = { | |
aa519be3 | 1063 | .name = DRV_NAME, |
151d9fad | 1064 | .probe = realtek_cr_probe, |
1065 | .disconnect = usb_stor_disconnect, | |
e931830b | 1066 | /* .suspend = usb_stor_suspend, */ |
1067 | /* .resume = usb_stor_resume, */ | |
151d9fad | 1068 | .reset_resume = usb_stor_reset_resume, |
e931830b | 1069 | .suspend = realtek_cr_suspend, |
1070 | .resume = realtek_cr_resume, | |
151d9fad | 1071 | .pre_reset = usb_stor_pre_reset, |
1072 | .post_reset = usb_stor_post_reset, | |
1073 | .id_table = realtek_cr_ids, | |
1074 | .soft_unbind = 1, | |
e931830b | 1075 | .supports_autosuspend = 1, |
e73b2db6 | 1076 | .no_dynamic_id = 1, |
50a6cb93 | 1077 | }; |
1078 | ||
aa519be3 | 1079 | module_usb_stor_driver(realtek_cr_driver, realtek_cr_host_template, DRV_NAME); |