]>
Commit | Line | Data |
---|---|---|
5fd54ace | 1 | // SPDX-License-Identifier: GPL-2.0+ |
f0183a33 FB |
2 | /* |
3 | * Driver for Realtek RTS51xx USB card reader | |
50a6cb93 | 4 | * |
5 | * Copyright(c) 2009 Realtek Semiconductor Corp. All rights reserved. | |
6 | * | |
50a6cb93 | 7 | * Author: |
8 | * wwang (wei_wang@realsil.com.cn) | |
9 | * No. 450, Shenhu Road, Suzhou Industry Park, Suzhou, China | |
10 | */ | |
11 | ||
12 | #include <linux/module.h> | |
13 | #include <linux/blkdev.h> | |
14 | #include <linux/kthread.h> | |
15 | #include <linux/sched.h> | |
50a6cb93 | 16 | #include <linux/kernel.h> |
50a6cb93 | 17 | |
18 | #include <scsi/scsi.h> | |
19 | #include <scsi/scsi_cmnd.h> | |
20 | #include <scsi/scsi_device.h> | |
21 | #include <linux/cdrom.h> | |
22 | ||
23 | #include <linux/usb.h> | |
24 | #include <linux/slab.h> | |
25 | #include <linux/usb_usual.h> | |
26 | ||
27 | #include "usb.h" | |
28 | #include "transport.h" | |
29 | #include "protocol.h" | |
30 | #include "debug.h" | |
aa519be3 AM |
31 | #include "scsiglue.h" |
32 | ||
33 | #define DRV_NAME "ums-realtek" | |
50a6cb93 | 34 | |
35 | MODULE_DESCRIPTION("Driver for Realtek USB Card Reader"); | |
36 | MODULE_AUTHOR("wwang <wei_wang@realsil.com.cn>"); | |
37 | MODULE_LICENSE("GPL"); | |
50a6cb93 | 38 | |
39 | static int auto_delink_en = 1; | |
40 | module_param(auto_delink_en, int, S_IRUGO | S_IWUSR); | |
41 | MODULE_PARM_DESC(auto_delink_en, "enable auto delink"); | |
42 | ||
e931830b | 43 | #ifdef CONFIG_REALTEK_AUTOPM |
44 | static int ss_en = 1; | |
45 | module_param(ss_en, int, S_IRUGO | S_IWUSR); | |
46 | MODULE_PARM_DESC(ss_en, "enable selective suspend"); | |
47 | ||
48 | static int ss_delay = 50; | |
49 | module_param(ss_delay, int, S_IRUGO | S_IWUSR); | |
50 | MODULE_PARM_DESC(ss_delay, | |
51 | "seconds to delay before entering selective suspend"); | |
52 | ||
53 | enum RTS51X_STAT { | |
54 | RTS51X_STAT_INIT, | |
55 | RTS51X_STAT_IDLE, | |
56 | RTS51X_STAT_RUN, | |
57 | RTS51X_STAT_SS | |
58 | }; | |
59 | ||
60 | #define POLLING_INTERVAL 50 | |
61 | ||
62 | #define rts51x_set_stat(chip, stat) \ | |
63 | ((chip)->state = (enum RTS51X_STAT)(stat)) | |
64 | #define rts51x_get_stat(chip) ((chip)->state) | |
65 | ||
66 | #define SET_LUN_READY(chip, lun) ((chip)->lun_ready |= ((u8)1 << (lun))) | |
67 | #define CLR_LUN_READY(chip, lun) ((chip)->lun_ready &= ~((u8)1 << (lun))) | |
68 | #define TST_LUN_READY(chip, lun) ((chip)->lun_ready & ((u8)1 << (lun))) | |
69 | ||
70 | #endif | |
71 | ||
50a6cb93 | 72 | struct rts51x_status { |
73 | u16 vid; | |
74 | u16 pid; | |
75 | u8 cur_lun; | |
76 | u8 card_type; | |
77 | u8 total_lun; | |
78 | u16 fw_ver; | |
79 | u8 phy_exist; | |
80 | u8 multi_flag; | |
81 | u8 multi_card; | |
82 | u8 log_exist; | |
83 | union { | |
84 | u8 detailed_type1; | |
85 | u8 detailed_type2; | |
86 | } detailed_type; | |
87 | u8 function[2]; | |
88 | }; | |
89 | ||
90 | struct rts51x_chip { | |
151d9fad | 91 | u16 vendor_id; |
92 | u16 product_id; | |
93 | char max_lun; | |
50a6cb93 | 94 | |
151d9fad | 95 | struct rts51x_status *status; |
96 | int status_len; | |
50a6cb93 | 97 | |
e931830b | 98 | u32 flag; |
e931830b | 99 | struct us_data *us; |
1c9e55cd WW |
100 | |
101 | #ifdef CONFIG_REALTEK_AUTOPM | |
e931830b | 102 | struct timer_list rts51x_suspend_timer; |
103 | unsigned long timer_expires; | |
104 | int pwr_state; | |
105 | u8 lun_ready; | |
106 | enum RTS51X_STAT state; | |
107 | int support_auto_delink; | |
108 | #endif | |
a6cd244b | 109 | /* used to back up the protocol chosen in probe1 phase */ |
e931830b | 110 | proto_cmnd proto_handler_backup; |
50a6cb93 | 111 | }; |
112 | ||
113 | /* flag definition */ | |
114 | #define FLIDX_AUTO_DELINK 0x01 | |
115 | ||
116 | #define SCSI_LUN(srb) ((srb)->device->lun) | |
117 | ||
118 | /* Bit Operation */ | |
119 | #define SET_BIT(data, idx) ((data) |= 1 << (idx)) | |
120 | #define CLR_BIT(data, idx) ((data) &= ~(1 << (idx))) | |
121 | #define CHK_BIT(data, idx) ((data) & (1 << (idx))) | |
122 | ||
123 | #define SET_AUTO_DELINK(chip) ((chip)->flag |= FLIDX_AUTO_DELINK) | |
124 | #define CLR_AUTO_DELINK(chip) ((chip)->flag &= ~FLIDX_AUTO_DELINK) | |
125 | #define CHK_AUTO_DELINK(chip) ((chip)->flag & FLIDX_AUTO_DELINK) | |
126 | ||
127 | #define RTS51X_GET_VID(chip) ((chip)->vendor_id) | |
128 | #define RTS51X_GET_PID(chip) ((chip)->product_id) | |
129 | ||
e931830b | 130 | #define VENDOR_ID(chip) ((chip)->status[0].vid) |
131 | #define PRODUCT_ID(chip) ((chip)->status[0].pid) | |
50a6cb93 | 132 | #define FW_VERSION(chip) ((chip)->status[0].fw_ver) |
133 | #define STATUS_LEN(chip) ((chip)->status_len) | |
134 | ||
e931830b | 135 | #define STATUS_SUCCESS 0 |
136 | #define STATUS_FAIL 1 | |
137 | ||
50a6cb93 | 138 | /* Check card reader function */ |
139 | #define SUPPORT_DETAILED_TYPE1(chip) \ | |
140 | CHK_BIT((chip)->status[0].function[0], 1) | |
141 | #define SUPPORT_OT(chip) \ | |
142 | CHK_BIT((chip)->status[0].function[0], 2) | |
143 | #define SUPPORT_OC(chip) \ | |
144 | CHK_BIT((chip)->status[0].function[0], 3) | |
145 | #define SUPPORT_AUTO_DELINK(chip) \ | |
146 | CHK_BIT((chip)->status[0].function[0], 4) | |
147 | #define SUPPORT_SDIO(chip) \ | |
148 | CHK_BIT((chip)->status[0].function[1], 0) | |
149 | #define SUPPORT_DETAILED_TYPE2(chip) \ | |
150 | CHK_BIT((chip)->status[0].function[1], 1) | |
151 | ||
152 | #define CHECK_PID(chip, pid) (RTS51X_GET_PID(chip) == (pid)) | |
153 | #define CHECK_FW_VER(chip, fw_ver) (FW_VERSION(chip) == (fw_ver)) | |
154 | #define CHECK_ID(chip, pid, fw_ver) \ | |
155 | (CHECK_PID((chip), (pid)) && CHECK_FW_VER((chip), (fw_ver))) | |
156 | ||
50a6cb93 | 157 | static int init_realtek_cr(struct us_data *us); |
158 | ||
159 | /* | |
160 | * The table of devices | |
161 | */ | |
162 | #define UNUSUAL_DEV(id_vendor, id_product, bcdDeviceMin, bcdDeviceMax, \ | |
163 | vendorName, productName, useProtocol, useTransport, \ | |
164 | initFunction, flags) \ | |
165 | {\ | |
166 | USB_DEVICE_VER(id_vendor, id_product, bcdDeviceMin, bcdDeviceMax), \ | |
f61870ee | 167 | .driver_info = (flags) \ |
50a6cb93 | 168 | } |
169 | ||
8a9e658a | 170 | static const struct usb_device_id realtek_cr_ids[] = { |
50a6cb93 | 171 | # include "unusual_realtek.h" |
151d9fad | 172 | {} /* Terminating entry */ |
50a6cb93 | 173 | }; |
151d9fad | 174 | |
50a6cb93 | 175 | MODULE_DEVICE_TABLE(usb, realtek_cr_ids); |
176 | ||
177 | #undef UNUSUAL_DEV | |
178 | ||
179 | /* | |
180 | * The flags table | |
181 | */ | |
182 | #define UNUSUAL_DEV(idVendor, idProduct, bcdDeviceMin, bcdDeviceMax, \ | |
183 | vendor_name, product_name, use_protocol, use_transport, \ | |
184 | init_function, Flags) \ | |
185 | { \ | |
186 | .vendorName = vendor_name, \ | |
187 | .productName = product_name, \ | |
188 | .useProtocol = use_protocol, \ | |
189 | .useTransport = use_transport, \ | |
190 | .initFunction = init_function, \ | |
191 | } | |
192 | ||
193 | static struct us_unusual_dev realtek_cr_unusual_dev_list[] = { | |
194 | # include "unusual_realtek.h" | |
151d9fad | 195 | {} /* Terminating entry */ |
50a6cb93 | 196 | }; |
197 | ||
198 | #undef UNUSUAL_DEV | |
199 | ||
200 | static int rts51x_bulk_transport(struct us_data *us, u8 lun, | |
201 | u8 *cmd, int cmd_len, u8 *buf, int buf_len, | |
202 | enum dma_data_direction dir, int *act_len) | |
203 | { | |
151d9fad | 204 | struct bulk_cb_wrap *bcb = (struct bulk_cb_wrap *)us->iobuf; |
205 | struct bulk_cs_wrap *bcs = (struct bulk_cs_wrap *)us->iobuf; | |
50a6cb93 | 206 | int result; |
207 | unsigned int residue; | |
208 | unsigned int cswlen; | |
209 | unsigned int cbwlen = US_BULK_CB_WRAP_LEN; | |
210 | ||
211 | /* set up the command wrapper */ | |
212 | bcb->Signature = cpu_to_le32(US_BULK_CB_SIGN); | |
213 | bcb->DataTransferLength = cpu_to_le32(buf_len); | |
b8db6d64 | 214 | bcb->Flags = (dir == DMA_FROM_DEVICE) ? US_BULK_FLAG_IN : 0; |
50a6cb93 | 215 | bcb->Tag = ++us->tag; |
216 | bcb->Lun = lun; | |
217 | bcb->Length = cmd_len; | |
218 | ||
219 | /* copy the command payload */ | |
220 | memset(bcb->CDB, 0, sizeof(bcb->CDB)); | |
221 | memcpy(bcb->CDB, cmd, bcb->Length); | |
222 | ||
223 | /* send it to out endpoint */ | |
224 | result = usb_stor_bulk_transfer_buf(us, us->send_bulk_pipe, | |
151d9fad | 225 | bcb, cbwlen, NULL); |
50a6cb93 | 226 | if (result != USB_STOR_XFER_GOOD) |
227 | return USB_STOR_TRANSPORT_ERROR; | |
228 | ||
229 | /* DATA STAGE */ | |
230 | /* send/receive data payload, if there is any */ | |
231 | ||
232 | if (buf && buf_len) { | |
233 | unsigned int pipe = (dir == DMA_FROM_DEVICE) ? | |
151d9fad | 234 | us->recv_bulk_pipe : us->send_bulk_pipe; |
50a6cb93 | 235 | result = usb_stor_bulk_transfer_buf(us, pipe, |
151d9fad | 236 | buf, buf_len, NULL); |
50a6cb93 | 237 | if (result == USB_STOR_XFER_ERROR) |
238 | return USB_STOR_TRANSPORT_ERROR; | |
239 | } | |
240 | ||
241 | /* get CSW for device status */ | |
242 | result = usb_stor_bulk_transfer_buf(us, us->recv_bulk_pipe, | |
151d9fad | 243 | bcs, US_BULK_CS_WRAP_LEN, &cswlen); |
50a6cb93 | 244 | if (result != USB_STOR_XFER_GOOD) |
245 | return USB_STOR_TRANSPORT_ERROR; | |
246 | ||
247 | /* check bulk status */ | |
248 | if (bcs->Signature != cpu_to_le32(US_BULK_CS_SIGN)) { | |
191648d0 JP |
249 | usb_stor_dbg(us, "Signature mismatch: got %08X, expecting %08X\n", |
250 | le32_to_cpu(bcs->Signature), US_BULK_CS_SIGN); | |
50a6cb93 | 251 | return USB_STOR_TRANSPORT_ERROR; |
252 | } | |
253 | ||
254 | residue = bcs->Residue; | |
255 | if (bcs->Tag != us->tag) | |
256 | return USB_STOR_TRANSPORT_ERROR; | |
257 | ||
f0183a33 FB |
258 | /* |
259 | * try to compute the actual residue, based on how much data | |
260 | * was really transferred and what the device tells us | |
261 | */ | |
50a6cb93 | 262 | if (residue) |
263 | residue = residue < buf_len ? residue : buf_len; | |
264 | ||
265 | if (act_len) | |
266 | *act_len = buf_len - residue; | |
267 | ||
268 | /* based on the status code, we report good or bad */ | |
269 | switch (bcs->Status) { | |
270 | case US_BULK_STAT_OK: | |
271 | /* command good -- note that data could be short */ | |
272 | return USB_STOR_TRANSPORT_GOOD; | |
273 | ||
274 | case US_BULK_STAT_FAIL: | |
275 | /* command failed */ | |
276 | return USB_STOR_TRANSPORT_FAILED; | |
277 | ||
278 | case US_BULK_STAT_PHASE: | |
f0183a33 FB |
279 | /* |
280 | * phase error -- note that a transport reset will be | |
151d9fad | 281 | * invoked by the invoke_transport() function |
282 | */ | |
50a6cb93 | 283 | return USB_STOR_TRANSPORT_ERROR; |
284 | } | |
285 | ||
286 | /* we should never get here, but if we do, we're in trouble */ | |
287 | return USB_STOR_TRANSPORT_ERROR; | |
288 | } | |
289 | ||
45e1892e | 290 | static int rts51x_bulk_transport_special(struct us_data *us, u8 lun, |
291 | u8 *cmd, int cmd_len, u8 *buf, int buf_len, | |
292 | enum dma_data_direction dir, int *act_len) | |
293 | { | |
294 | struct bulk_cb_wrap *bcb = (struct bulk_cb_wrap *) us->iobuf; | |
295 | struct bulk_cs_wrap *bcs = (struct bulk_cs_wrap *) us->iobuf; | |
296 | int result; | |
297 | unsigned int cswlen; | |
298 | unsigned int cbwlen = US_BULK_CB_WRAP_LEN; | |
299 | ||
300 | /* set up the command wrapper */ | |
301 | bcb->Signature = cpu_to_le32(US_BULK_CB_SIGN); | |
302 | bcb->DataTransferLength = cpu_to_le32(buf_len); | |
b8db6d64 | 303 | bcb->Flags = (dir == DMA_FROM_DEVICE) ? US_BULK_FLAG_IN : 0; |
45e1892e | 304 | bcb->Tag = ++us->tag; |
305 | bcb->Lun = lun; | |
306 | bcb->Length = cmd_len; | |
307 | ||
308 | /* copy the command payload */ | |
309 | memset(bcb->CDB, 0, sizeof(bcb->CDB)); | |
310 | memcpy(bcb->CDB, cmd, bcb->Length); | |
311 | ||
312 | /* send it to out endpoint */ | |
313 | result = usb_stor_bulk_transfer_buf(us, us->send_bulk_pipe, | |
314 | bcb, cbwlen, NULL); | |
315 | if (result != USB_STOR_XFER_GOOD) | |
316 | return USB_STOR_TRANSPORT_ERROR; | |
317 | ||
318 | /* DATA STAGE */ | |
319 | /* send/receive data payload, if there is any */ | |
320 | ||
321 | if (buf && buf_len) { | |
322 | unsigned int pipe = (dir == DMA_FROM_DEVICE) ? | |
323 | us->recv_bulk_pipe : us->send_bulk_pipe; | |
324 | result = usb_stor_bulk_transfer_buf(us, pipe, | |
325 | buf, buf_len, NULL); | |
326 | if (result == USB_STOR_XFER_ERROR) | |
327 | return USB_STOR_TRANSPORT_ERROR; | |
328 | } | |
329 | ||
330 | /* get CSW for device status */ | |
331 | result = usb_bulk_msg(us->pusb_dev, us->recv_bulk_pipe, bcs, | |
332 | US_BULK_CS_WRAP_LEN, &cswlen, 250); | |
333 | return result; | |
334 | } | |
335 | ||
50a6cb93 | 336 | /* Determine what the maximum LUN supported is */ |
337 | static int rts51x_get_max_lun(struct us_data *us) | |
338 | { | |
339 | int result; | |
340 | ||
341 | /* issue the command */ | |
342 | us->iobuf[0] = 0; | |
343 | result = usb_stor_control_msg(us, us->recv_ctrl_pipe, | |
151d9fad | 344 | US_BULK_GET_MAX_LUN, |
345 | USB_DIR_IN | USB_TYPE_CLASS | | |
346 | USB_RECIP_INTERFACE, | |
347 | 0, us->ifnum, us->iobuf, 1, 10 * HZ); | |
50a6cb93 | 348 | |
191648d0 JP |
349 | usb_stor_dbg(us, "GetMaxLUN command result is %d, data is %d\n", |
350 | result, us->iobuf[0]); | |
50a6cb93 | 351 | |
352 | /* if we have a successful request, return the result */ | |
353 | if (result > 0) | |
354 | return us->iobuf[0]; | |
355 | ||
356 | return 0; | |
357 | } | |
358 | ||
359 | static int rts51x_read_mem(struct us_data *us, u16 addr, u8 *data, u16 len) | |
360 | { | |
361 | int retval; | |
151d9fad | 362 | u8 cmnd[12] = { 0 }; |
065e6096 AC |
363 | u8 *buf; |
364 | ||
365 | buf = kmalloc(len, GFP_NOIO); | |
366 | if (buf == NULL) | |
367 | return USB_STOR_TRANSPORT_ERROR; | |
50a6cb93 | 368 | |
191648d0 | 369 | usb_stor_dbg(us, "addr = 0x%x, len = %d\n", addr, len); |
50a6cb93 | 370 | |
371 | cmnd[0] = 0xF0; | |
372 | cmnd[1] = 0x0D; | |
151d9fad | 373 | cmnd[2] = (u8) (addr >> 8); |
374 | cmnd[3] = (u8) addr; | |
375 | cmnd[4] = (u8) (len >> 8); | |
376 | cmnd[5] = (u8) len; | |
50a6cb93 | 377 | |
378 | retval = rts51x_bulk_transport(us, 0, cmnd, 12, | |
065e6096 AC |
379 | buf, len, DMA_FROM_DEVICE, NULL); |
380 | if (retval != USB_STOR_TRANSPORT_GOOD) { | |
381 | kfree(buf); | |
50a6cb93 | 382 | return -EIO; |
065e6096 | 383 | } |
50a6cb93 | 384 | |
065e6096 AC |
385 | memcpy(data, buf, len); |
386 | kfree(buf); | |
50a6cb93 | 387 | return 0; |
388 | } | |
389 | ||
390 | static int rts51x_write_mem(struct us_data *us, u16 addr, u8 *data, u16 len) | |
391 | { | |
392 | int retval; | |
151d9fad | 393 | u8 cmnd[12] = { 0 }; |
065e6096 AC |
394 | u8 *buf; |
395 | ||
eb545522 | 396 | buf = kmemdup(data, len, GFP_NOIO); |
065e6096 AC |
397 | if (buf == NULL) |
398 | return USB_STOR_TRANSPORT_ERROR; | |
50a6cb93 | 399 | |
191648d0 | 400 | usb_stor_dbg(us, "addr = 0x%x, len = %d\n", addr, len); |
50a6cb93 | 401 | |
402 | cmnd[0] = 0xF0; | |
403 | cmnd[1] = 0x0E; | |
151d9fad | 404 | cmnd[2] = (u8) (addr >> 8); |
405 | cmnd[3] = (u8) addr; | |
406 | cmnd[4] = (u8) (len >> 8); | |
407 | cmnd[5] = (u8) len; | |
50a6cb93 | 408 | |
409 | retval = rts51x_bulk_transport(us, 0, cmnd, 12, | |
065e6096 AC |
410 | buf, len, DMA_TO_DEVICE, NULL); |
411 | kfree(buf); | |
50a6cb93 | 412 | if (retval != USB_STOR_TRANSPORT_GOOD) |
413 | return -EIO; | |
414 | ||
415 | return 0; | |
416 | } | |
417 | ||
418 | static int rts51x_read_status(struct us_data *us, | |
419 | u8 lun, u8 *status, int len, int *actlen) | |
420 | { | |
421 | int retval; | |
151d9fad | 422 | u8 cmnd[12] = { 0 }; |
065e6096 AC |
423 | u8 *buf; |
424 | ||
425 | buf = kmalloc(len, GFP_NOIO); | |
426 | if (buf == NULL) | |
427 | return USB_STOR_TRANSPORT_ERROR; | |
50a6cb93 | 428 | |
191648d0 | 429 | usb_stor_dbg(us, "lun = %d\n", lun); |
50a6cb93 | 430 | |
431 | cmnd[0] = 0xF0; | |
432 | cmnd[1] = 0x09; | |
433 | ||
434 | retval = rts51x_bulk_transport(us, lun, cmnd, 12, | |
065e6096 AC |
435 | buf, len, DMA_FROM_DEVICE, actlen); |
436 | if (retval != USB_STOR_TRANSPORT_GOOD) { | |
437 | kfree(buf); | |
50a6cb93 | 438 | return -EIO; |
065e6096 | 439 | } |
50a6cb93 | 440 | |
065e6096 AC |
441 | memcpy(status, buf, len); |
442 | kfree(buf); | |
50a6cb93 | 443 | return 0; |
444 | } | |
445 | ||
446 | static int rts51x_check_status(struct us_data *us, u8 lun) | |
447 | { | |
448 | struct rts51x_chip *chip = (struct rts51x_chip *)(us->extra); | |
449 | int retval; | |
450 | u8 buf[16]; | |
451 | ||
452 | retval = rts51x_read_status(us, lun, buf, 16, &(chip->status_len)); | |
806df3ac | 453 | if (retval != STATUS_SUCCESS) |
50a6cb93 | 454 | return -EIO; |
455 | ||
191648d0 | 456 | usb_stor_dbg(us, "chip->status_len = %d\n", chip->status_len); |
50a6cb93 | 457 | |
151d9fad | 458 | chip->status[lun].vid = ((u16) buf[0] << 8) | buf[1]; |
459 | chip->status[lun].pid = ((u16) buf[2] << 8) | buf[3]; | |
50a6cb93 | 460 | chip->status[lun].cur_lun = buf[4]; |
461 | chip->status[lun].card_type = buf[5]; | |
462 | chip->status[lun].total_lun = buf[6]; | |
151d9fad | 463 | chip->status[lun].fw_ver = ((u16) buf[7] << 8) | buf[8]; |
50a6cb93 | 464 | chip->status[lun].phy_exist = buf[9]; |
465 | chip->status[lun].multi_flag = buf[10]; | |
466 | chip->status[lun].multi_card = buf[11]; | |
467 | chip->status[lun].log_exist = buf[12]; | |
468 | if (chip->status_len == 16) { | |
469 | chip->status[lun].detailed_type.detailed_type1 = buf[13]; | |
470 | chip->status[lun].function[0] = buf[14]; | |
471 | chip->status[lun].function[1] = buf[15]; | |
472 | } | |
473 | ||
474 | return 0; | |
475 | } | |
476 | ||
477 | static int enable_oscillator(struct us_data *us) | |
478 | { | |
479 | int retval; | |
480 | u8 value; | |
481 | ||
482 | retval = rts51x_read_mem(us, 0xFE77, &value, 1); | |
483 | if (retval < 0) | |
484 | return -EIO; | |
485 | ||
486 | value |= 0x04; | |
487 | retval = rts51x_write_mem(us, 0xFE77, &value, 1); | |
488 | if (retval < 0) | |
489 | return -EIO; | |
490 | ||
491 | retval = rts51x_read_mem(us, 0xFE77, &value, 1); | |
492 | if (retval < 0) | |
493 | return -EIO; | |
494 | ||
495 | if (!(value & 0x04)) | |
496 | return -EIO; | |
497 | ||
498 | return 0; | |
499 | } | |
500 | ||
45e1892e | 501 | static int __do_config_autodelink(struct us_data *us, u8 *data, u16 len) |
502 | { | |
503 | int retval; | |
45e1892e | 504 | u8 cmnd[12] = {0}; |
4898e071 | 505 | u8 *buf; |
45e1892e | 506 | |
191648d0 | 507 | usb_stor_dbg(us, "addr = 0xfe47, len = %d\n", len); |
45e1892e | 508 | |
4898e071 | 509 | buf = kmemdup(data, len, GFP_NOIO); |
510 | if (!buf) | |
511 | return USB_STOR_TRANSPORT_ERROR; | |
512 | ||
45e1892e | 513 | cmnd[0] = 0xF0; |
514 | cmnd[1] = 0x0E; | |
d762ad47 FB |
515 | cmnd[2] = 0xfe; |
516 | cmnd[3] = 0x47; | |
45e1892e | 517 | cmnd[4] = (u8)(len >> 8); |
518 | cmnd[5] = (u8)len; | |
519 | ||
4898e071 | 520 | retval = rts51x_bulk_transport_special(us, 0, cmnd, 12, buf, len, DMA_TO_DEVICE, NULL); |
521 | kfree(buf); | |
45e1892e | 522 | if (retval != USB_STOR_TRANSPORT_GOOD) { |
523 | return -EIO; | |
524 | } | |
525 | ||
526 | return 0; | |
527 | } | |
528 | ||
50a6cb93 | 529 | static int do_config_autodelink(struct us_data *us, int enable, int force) |
530 | { | |
531 | int retval; | |
532 | u8 value; | |
533 | ||
534 | retval = rts51x_read_mem(us, 0xFE47, &value, 1); | |
535 | if (retval < 0) | |
536 | return -EIO; | |
537 | ||
538 | if (enable) { | |
539 | if (force) | |
540 | value |= 0x03; | |
541 | else | |
542 | value |= 0x01; | |
543 | } else { | |
544 | value &= ~0x03; | |
545 | } | |
546 | ||
191648d0 | 547 | usb_stor_dbg(us, "set 0xfe47 to 0x%x\n", value); |
50a6cb93 | 548 | |
45e1892e | 549 | /* retval = rts51x_write_mem(us, 0xFE47, &value, 1); */ |
550 | retval = __do_config_autodelink(us, &value, 1); | |
50a6cb93 | 551 | if (retval < 0) |
552 | return -EIO; | |
553 | ||
554 | return 0; | |
555 | } | |
556 | ||
557 | static int config_autodelink_after_power_on(struct us_data *us) | |
558 | { | |
559 | struct rts51x_chip *chip = (struct rts51x_chip *)(us->extra); | |
560 | int retval; | |
561 | u8 value; | |
562 | ||
563 | if (!CHK_AUTO_DELINK(chip)) | |
564 | return 0; | |
565 | ||
566 | retval = rts51x_read_mem(us, 0xFE47, &value, 1); | |
567 | if (retval < 0) | |
568 | return -EIO; | |
569 | ||
570 | if (auto_delink_en) { | |
571 | CLR_BIT(value, 0); | |
572 | CLR_BIT(value, 1); | |
573 | SET_BIT(value, 2); | |
574 | ||
575 | if (CHECK_ID(chip, 0x0138, 0x3882)) | |
576 | CLR_BIT(value, 2); | |
577 | ||
578 | SET_BIT(value, 7); | |
579 | ||
45e1892e | 580 | /* retval = rts51x_write_mem(us, 0xFE47, &value, 1); */ |
581 | retval = __do_config_autodelink(us, &value, 1); | |
50a6cb93 | 582 | if (retval < 0) |
583 | return -EIO; | |
584 | ||
585 | retval = enable_oscillator(us); | |
586 | if (retval == 0) | |
587 | (void)do_config_autodelink(us, 1, 0); | |
588 | } else { | |
589 | /* Autodelink controlled by firmware */ | |
590 | ||
591 | SET_BIT(value, 2); | |
592 | ||
593 | if (CHECK_ID(chip, 0x0138, 0x3882)) | |
594 | CLR_BIT(value, 2); | |
595 | ||
596 | if (CHECK_ID(chip, 0x0159, 0x5889) || | |
151d9fad | 597 | CHECK_ID(chip, 0x0138, 0x3880)) { |
50a6cb93 | 598 | CLR_BIT(value, 0); |
599 | CLR_BIT(value, 7); | |
600 | } | |
601 | ||
45e1892e | 602 | /* retval = rts51x_write_mem(us, 0xFE47, &value, 1); */ |
603 | retval = __do_config_autodelink(us, &value, 1); | |
50a6cb93 | 604 | if (retval < 0) |
605 | return -EIO; | |
606 | ||
607 | if (CHECK_ID(chip, 0x0159, 0x5888)) { | |
608 | value = 0xFF; | |
609 | retval = rts51x_write_mem(us, 0xFE79, &value, 1); | |
610 | if (retval < 0) | |
611 | return -EIO; | |
612 | ||
613 | value = 0x01; | |
614 | retval = rts51x_write_mem(us, 0x48, &value, 1); | |
615 | if (retval < 0) | |
616 | return -EIO; | |
617 | } | |
618 | } | |
619 | ||
620 | return 0; | |
621 | } | |
622 | ||
ec5633ba | 623 | #ifdef CONFIG_PM |
50a6cb93 | 624 | static int config_autodelink_before_power_down(struct us_data *us) |
625 | { | |
626 | struct rts51x_chip *chip = (struct rts51x_chip *)(us->extra); | |
627 | int retval; | |
628 | u8 value; | |
629 | ||
630 | if (!CHK_AUTO_DELINK(chip)) | |
631 | return 0; | |
632 | ||
633 | if (auto_delink_en) { | |
634 | retval = rts51x_read_mem(us, 0xFE77, &value, 1); | |
635 | if (retval < 0) | |
636 | return -EIO; | |
637 | ||
638 | SET_BIT(value, 2); | |
639 | retval = rts51x_write_mem(us, 0xFE77, &value, 1); | |
640 | if (retval < 0) | |
641 | return -EIO; | |
642 | ||
643 | if (CHECK_ID(chip, 0x0159, 0x5888)) { | |
644 | value = 0x01; | |
645 | retval = rts51x_write_mem(us, 0x48, &value, 1); | |
646 | if (retval < 0) | |
647 | return -EIO; | |
648 | } | |
649 | ||
650 | retval = rts51x_read_mem(us, 0xFE47, &value, 1); | |
651 | if (retval < 0) | |
652 | return -EIO; | |
653 | ||
654 | SET_BIT(value, 0); | |
655 | if (CHECK_ID(chip, 0x0138, 0x3882)) | |
656 | SET_BIT(value, 2); | |
657 | retval = rts51x_write_mem(us, 0xFE77, &value, 1); | |
658 | if (retval < 0) | |
659 | return -EIO; | |
660 | } else { | |
661 | if (CHECK_ID(chip, 0x0159, 0x5889) || | |
151d9fad | 662 | CHECK_ID(chip, 0x0138, 0x3880) || |
663 | CHECK_ID(chip, 0x0138, 0x3882)) { | |
50a6cb93 | 664 | retval = rts51x_read_mem(us, 0xFE47, &value, 1); |
665 | if (retval < 0) | |
666 | return -EIO; | |
667 | ||
668 | if (CHECK_ID(chip, 0x0159, 0x5889) || | |
151d9fad | 669 | CHECK_ID(chip, 0x0138, 0x3880)) { |
50a6cb93 | 670 | SET_BIT(value, 0); |
671 | SET_BIT(value, 7); | |
672 | } | |
673 | ||
674 | if (CHECK_ID(chip, 0x0138, 0x3882)) | |
675 | SET_BIT(value, 2); | |
676 | ||
45e1892e | 677 | /* retval = rts51x_write_mem(us, 0xFE47, &value, 1); */ |
678 | retval = __do_config_autodelink(us, &value, 1); | |
50a6cb93 | 679 | if (retval < 0) |
680 | return -EIO; | |
681 | } | |
682 | ||
683 | if (CHECK_ID(chip, 0x0159, 0x5888)) { | |
684 | value = 0x01; | |
685 | retval = rts51x_write_mem(us, 0x48, &value, 1); | |
686 | if (retval < 0) | |
687 | return -EIO; | |
688 | } | |
689 | } | |
690 | ||
e931830b | 691 | return 0; |
692 | } | |
693 | ||
694 | static void fw5895_init(struct us_data *us) | |
695 | { | |
696 | struct rts51x_chip *chip = (struct rts51x_chip *)(us->extra); | |
697 | int retval; | |
698 | u8 val; | |
699 | ||
e931830b | 700 | if ((PRODUCT_ID(chip) != 0x0158) || (FW_VERSION(chip) != 0x5895)) { |
191648d0 | 701 | usb_stor_dbg(us, "Not the specified device, return immediately!\n"); |
e931830b | 702 | } else { |
703 | retval = rts51x_read_mem(us, 0xFD6F, &val, 1); | |
704 | if (retval == STATUS_SUCCESS && (val & 0x1F) == 0) { | |
705 | val = 0x1F; | |
706 | retval = rts51x_write_mem(us, 0xFD70, &val, 1); | |
707 | if (retval != STATUS_SUCCESS) | |
191648d0 | 708 | usb_stor_dbg(us, "Write memory fail\n"); |
e931830b | 709 | } else { |
191648d0 | 710 | usb_stor_dbg(us, "Read memory fail, OR (val & 0x1F) != 0\n"); |
e931830b | 711 | } |
712 | } | |
e931830b | 713 | } |
ec5633ba | 714 | #endif |
e931830b | 715 | |
716 | #ifdef CONFIG_REALTEK_AUTOPM | |
717 | static void fw5895_set_mmc_wp(struct us_data *us) | |
718 | { | |
719 | struct rts51x_chip *chip = (struct rts51x_chip *)(us->extra); | |
720 | int retval; | |
721 | u8 buf[13]; | |
722 | ||
e931830b | 723 | if ((PRODUCT_ID(chip) != 0x0158) || (FW_VERSION(chip) != 0x5895)) { |
191648d0 | 724 | usb_stor_dbg(us, "Not the specified device, return immediately!\n"); |
e931830b | 725 | } else { |
726 | retval = rts51x_read_mem(us, 0xFD6F, buf, 1); | |
727 | if (retval == STATUS_SUCCESS && (buf[0] & 0x24) == 0x24) { | |
728 | /* SD Exist and SD WP */ | |
729 | retval = rts51x_read_mem(us, 0xD04E, buf, 1); | |
730 | if (retval == STATUS_SUCCESS) { | |
731 | buf[0] |= 0x04; | |
732 | retval = rts51x_write_mem(us, 0xFD70, buf, 1); | |
733 | if (retval != STATUS_SUCCESS) | |
191648d0 | 734 | usb_stor_dbg(us, "Write memory fail\n"); |
e931830b | 735 | } else { |
191648d0 | 736 | usb_stor_dbg(us, "Read memory fail\n"); |
e931830b | 737 | } |
738 | } else { | |
191648d0 | 739 | usb_stor_dbg(us, "Read memory fail, OR (buf[0]&0x24)!=0x24\n"); |
e931830b | 740 | } |
741 | } | |
e931830b | 742 | } |
743 | ||
744 | static void rts51x_modi_suspend_timer(struct rts51x_chip *chip) | |
745 | { | |
191648d0 JP |
746 | struct us_data *us = chip->us; |
747 | ||
748 | usb_stor_dbg(us, "state:%d\n", rts51x_get_stat(chip)); | |
e931830b | 749 | |
750 | chip->timer_expires = jiffies + msecs_to_jiffies(1000*ss_delay); | |
751 | mod_timer(&chip->rts51x_suspend_timer, chip->timer_expires); | |
e931830b | 752 | } |
753 | ||
e99e88a9 | 754 | static void rts51x_suspend_timer_fn(struct timer_list *t) |
e931830b | 755 | { |
e99e88a9 | 756 | struct rts51x_chip *chip = from_timer(chip, t, rts51x_suspend_timer); |
e931830b | 757 | struct us_data *us = chip->us; |
758 | ||
e931830b | 759 | switch (rts51x_get_stat(chip)) { |
760 | case RTS51X_STAT_INIT: | |
761 | case RTS51X_STAT_RUN: | |
762 | rts51x_modi_suspend_timer(chip); | |
763 | break; | |
764 | case RTS51X_STAT_IDLE: | |
765 | case RTS51X_STAT_SS: | |
191648d0 JP |
766 | usb_stor_dbg(us, "RTS51X_STAT_SS, intf->pm_usage_cnt:%d, power.usage:%d\n", |
767 | atomic_read(&us->pusb_intf->pm_usage_cnt), | |
768 | atomic_read(&us->pusb_intf->dev.power.usage_count)); | |
e931830b | 769 | |
770 | if (atomic_read(&us->pusb_intf->pm_usage_cnt) > 0) { | |
191648d0 | 771 | usb_stor_dbg(us, "Ready to enter SS state\n"); |
e931830b | 772 | rts51x_set_stat(chip, RTS51X_STAT_SS); |
773 | /* ignore mass storage interface's children */ | |
774 | pm_suspend_ignore_children(&us->pusb_intf->dev, true); | |
b3ef051d | 775 | usb_autopm_put_interface_async(us->pusb_intf); |
191648d0 JP |
776 | usb_stor_dbg(us, "RTS51X_STAT_SS 01, intf->pm_usage_cnt:%d, power.usage:%d\n", |
777 | atomic_read(&us->pusb_intf->pm_usage_cnt), | |
778 | atomic_read(&us->pusb_intf->dev.power.usage_count)); | |
e931830b | 779 | } |
780 | break; | |
781 | default: | |
191648d0 | 782 | usb_stor_dbg(us, "Unknown state !!!\n"); |
e931830b | 783 | break; |
784 | } | |
e931830b | 785 | } |
786 | ||
787 | static inline int working_scsi(struct scsi_cmnd *srb) | |
788 | { | |
789 | if ((srb->cmnd[0] == TEST_UNIT_READY) || | |
790 | (srb->cmnd[0] == ALLOW_MEDIUM_REMOVAL)) { | |
791 | return 0; | |
792 | } | |
793 | ||
794 | return 1; | |
795 | } | |
796 | ||
d762ad47 | 797 | static void rts51x_invoke_transport(struct scsi_cmnd *srb, struct us_data *us) |
e931830b | 798 | { |
799 | struct rts51x_chip *chip = (struct rts51x_chip *)(us->extra); | |
800 | static int card_first_show = 1; | |
801 | static u8 media_not_present[] = { 0x70, 0, 0x02, 0, 0, 0, 0, | |
802 | 10, 0, 0, 0, 0, 0x3A, 0, 0, 0, 0, 0 | |
803 | }; | |
804 | static u8 invalid_cmd_field[] = { 0x70, 0, 0x05, 0, 0, 0, 0, | |
805 | 10, 0, 0, 0, 0, 0x24, 0, 0, 0, 0, 0 | |
806 | }; | |
807 | int ret; | |
808 | ||
e931830b | 809 | if (working_scsi(srb)) { |
191648d0 JP |
810 | usb_stor_dbg(us, "working scsi, intf->pm_usage_cnt:%d, power.usage:%d\n", |
811 | atomic_read(&us->pusb_intf->pm_usage_cnt), | |
812 | atomic_read(&us->pusb_intf->dev.power.usage_count)); | |
e931830b | 813 | |
814 | if (atomic_read(&us->pusb_intf->pm_usage_cnt) <= 0) { | |
815 | ret = usb_autopm_get_interface(us->pusb_intf); | |
191648d0 | 816 | usb_stor_dbg(us, "working scsi, ret=%d\n", ret); |
e931830b | 817 | } |
818 | if (rts51x_get_stat(chip) != RTS51X_STAT_RUN) | |
819 | rts51x_set_stat(chip, RTS51X_STAT_RUN); | |
820 | chip->proto_handler_backup(srb, us); | |
821 | } else { | |
822 | if (rts51x_get_stat(chip) == RTS51X_STAT_SS) { | |
191648d0 | 823 | usb_stor_dbg(us, "NOT working scsi\n"); |
e931830b | 824 | if ((srb->cmnd[0] == TEST_UNIT_READY) && |
825 | (chip->pwr_state == US_SUSPEND)) { | |
826 | if (TST_LUN_READY(chip, srb->device->lun)) { | |
827 | srb->result = SAM_STAT_GOOD; | |
828 | } else { | |
829 | srb->result = SAM_STAT_CHECK_CONDITION; | |
830 | memcpy(srb->sense_buffer, | |
831 | media_not_present, | |
832 | US_SENSE_SIZE); | |
833 | } | |
191648d0 | 834 | usb_stor_dbg(us, "TEST_UNIT_READY\n"); |
e931830b | 835 | goto out; |
836 | } | |
837 | if (srb->cmnd[0] == ALLOW_MEDIUM_REMOVAL) { | |
838 | int prevent = srb->cmnd[4] & 0x1; | |
839 | if (prevent) { | |
840 | srb->result = SAM_STAT_CHECK_CONDITION; | |
841 | memcpy(srb->sense_buffer, | |
842 | invalid_cmd_field, | |
843 | US_SENSE_SIZE); | |
844 | } else { | |
845 | srb->result = SAM_STAT_GOOD; | |
846 | } | |
191648d0 | 847 | usb_stor_dbg(us, "ALLOW_MEDIUM_REMOVAL\n"); |
e931830b | 848 | goto out; |
849 | } | |
850 | } else { | |
191648d0 | 851 | usb_stor_dbg(us, "NOT working scsi, not SS\n"); |
e931830b | 852 | chip->proto_handler_backup(srb, us); |
48fc7f7e | 853 | /* Check whether card is plugged in */ |
e931830b | 854 | if (srb->cmnd[0] == TEST_UNIT_READY) { |
855 | if (srb->result == SAM_STAT_GOOD) { | |
856 | SET_LUN_READY(chip, srb->device->lun); | |
857 | if (card_first_show) { | |
858 | card_first_show = 0; | |
859 | fw5895_set_mmc_wp(us); | |
860 | } | |
861 | } else { | |
862 | CLR_LUN_READY(chip, srb->device->lun); | |
863 | card_first_show = 1; | |
864 | } | |
865 | } | |
866 | if (rts51x_get_stat(chip) != RTS51X_STAT_IDLE) | |
867 | rts51x_set_stat(chip, RTS51X_STAT_IDLE); | |
868 | } | |
869 | } | |
870 | out: | |
191648d0 | 871 | usb_stor_dbg(us, "state:%d\n", rts51x_get_stat(chip)); |
e931830b | 872 | if (rts51x_get_stat(chip) == RTS51X_STAT_RUN) |
873 | rts51x_modi_suspend_timer(chip); | |
e931830b | 874 | } |
875 | ||
876 | static int realtek_cr_autosuspend_setup(struct us_data *us) | |
877 | { | |
878 | struct rts51x_chip *chip; | |
879 | struct rts51x_status *status = NULL; | |
880 | u8 buf[16]; | |
881 | int retval; | |
882 | ||
883 | chip = (struct rts51x_chip *)us->extra; | |
884 | chip->support_auto_delink = 0; | |
885 | chip->pwr_state = US_RESUME; | |
886 | chip->lun_ready = 0; | |
887 | rts51x_set_stat(chip, RTS51X_STAT_INIT); | |
888 | ||
889 | retval = rts51x_read_status(us, 0, buf, 16, &(chip->status_len)); | |
890 | if (retval != STATUS_SUCCESS) { | |
191648d0 | 891 | usb_stor_dbg(us, "Read status fail\n"); |
e931830b | 892 | return -EIO; |
893 | } | |
894 | status = chip->status; | |
895 | status->vid = ((u16) buf[0] << 8) | buf[1]; | |
896 | status->pid = ((u16) buf[2] << 8) | buf[3]; | |
897 | status->cur_lun = buf[4]; | |
898 | status->card_type = buf[5]; | |
899 | status->total_lun = buf[6]; | |
900 | status->fw_ver = ((u16) buf[7] << 8) | buf[8]; | |
901 | status->phy_exist = buf[9]; | |
902 | status->multi_flag = buf[10]; | |
903 | status->multi_card = buf[11]; | |
904 | status->log_exist = buf[12]; | |
905 | if (chip->status_len == 16) { | |
906 | status->detailed_type.detailed_type1 = buf[13]; | |
907 | status->function[0] = buf[14]; | |
908 | status->function[1] = buf[15]; | |
909 | } | |
910 | ||
911 | /* back up the proto_handler in us->extra */ | |
912 | chip = (struct rts51x_chip *)(us->extra); | |
913 | chip->proto_handler_backup = us->proto_handler; | |
914 | /* Set the autosuspend_delay to 0 */ | |
915 | pm_runtime_set_autosuspend_delay(&us->pusb_dev->dev, 0); | |
916 | /* override us->proto_handler setted in get_protocol() */ | |
917 | us->proto_handler = rts51x_invoke_transport; | |
918 | ||
919 | chip->timer_expires = 0; | |
e99e88a9 | 920 | timer_setup(&chip->rts51x_suspend_timer, rts51x_suspend_timer_fn, 0); |
e931830b | 921 | fw5895_init(us); |
922 | ||
a6cd244b | 923 | /* enable autosuspend function of the usb device */ |
e931830b | 924 | usb_enable_autosuspend(us->pusb_dev); |
925 | ||
50a6cb93 | 926 | return 0; |
927 | } | |
e931830b | 928 | #endif |
50a6cb93 | 929 | |
930 | static void realtek_cr_destructor(void *extra) | |
931 | { | |
677a0b5a | 932 | struct rts51x_chip *chip = extra; |
e931830b | 933 | |
50a6cb93 | 934 | if (!chip) |
935 | return; | |
191648d0 | 936 | |
e931830b | 937 | #ifdef CONFIG_REALTEK_AUTOPM |
938 | if (ss_en) { | |
939 | del_timer(&chip->rts51x_suspend_timer); | |
940 | chip->timer_expires = 0; | |
941 | } | |
942 | #endif | |
50a6cb93 | 943 | kfree(chip->status); |
944 | } | |
945 | ||
946 | #ifdef CONFIG_PM | |
d762ad47 | 947 | static int realtek_cr_suspend(struct usb_interface *iface, pm_message_t message) |
50a6cb93 | 948 | { |
e931830b | 949 | struct us_data *us = usb_get_intfdata(iface); |
950 | ||
e931830b | 951 | /* wait until no command is running */ |
952 | mutex_lock(&us->dev_mutex); | |
953 | ||
954 | config_autodelink_before_power_down(us); | |
955 | ||
956 | mutex_unlock(&us->dev_mutex); | |
957 | ||
e931830b | 958 | return 0; |
50a6cb93 | 959 | } |
e931830b | 960 | |
961 | static int realtek_cr_resume(struct usb_interface *iface) | |
962 | { | |
963 | struct us_data *us = usb_get_intfdata(iface); | |
964 | ||
e931830b | 965 | fw5895_init(us); |
966 | config_autodelink_after_power_on(us); | |
967 | ||
e931830b | 968 | return 0; |
969 | } | |
970 | #else | |
971 | #define realtek_cr_suspend NULL | |
972 | #define realtek_cr_resume NULL | |
50a6cb93 | 973 | #endif |
974 | ||
975 | static int init_realtek_cr(struct us_data *us) | |
976 | { | |
977 | struct rts51x_chip *chip; | |
978 | int size, i, retval; | |
979 | ||
980 | chip = kzalloc(sizeof(struct rts51x_chip), GFP_KERNEL); | |
981 | if (!chip) | |
982 | return -ENOMEM; | |
983 | ||
984 | us->extra = chip; | |
985 | us->extra_destructor = realtek_cr_destructor; | |
50a6cb93 | 986 | us->max_lun = chip->max_lun = rts51x_get_max_lun(us); |
1c9e55cd | 987 | chip->us = us; |
50a6cb93 | 988 | |
191648d0 | 989 | usb_stor_dbg(us, "chip->max_lun = %d\n", chip->max_lun); |
50a6cb93 | 990 | |
991 | size = (chip->max_lun + 1) * sizeof(struct rts51x_status); | |
992 | chip->status = kzalloc(size, GFP_KERNEL); | |
993 | if (!chip->status) | |
994 | goto INIT_FAIL; | |
995 | ||
996 | for (i = 0; i <= (int)(chip->max_lun); i++) { | |
151d9fad | 997 | retval = rts51x_check_status(us, (u8) i); |
50a6cb93 | 998 | if (retval < 0) |
999 | goto INIT_FAIL; | |
1000 | } | |
1001 | ||
1002 | if (CHECK_FW_VER(chip, 0x5888) || CHECK_FW_VER(chip, 0x5889) || | |
151d9fad | 1003 | CHECK_FW_VER(chip, 0x5901)) |
50a6cb93 | 1004 | SET_AUTO_DELINK(chip); |
1005 | if (STATUS_LEN(chip) == 16) { | |
1006 | if (SUPPORT_AUTO_DELINK(chip)) | |
1007 | SET_AUTO_DELINK(chip); | |
1008 | } | |
e931830b | 1009 | #ifdef CONFIG_REALTEK_AUTOPM |
1c9e55cd | 1010 | if (ss_en) |
e931830b | 1011 | realtek_cr_autosuspend_setup(us); |
e931830b | 1012 | #endif |
50a6cb93 | 1013 | |
191648d0 | 1014 | usb_stor_dbg(us, "chip->flag = 0x%x\n", chip->flag); |
50a6cb93 | 1015 | |
1016 | (void)config_autodelink_after_power_on(us); | |
1017 | ||
1018 | return 0; | |
1019 | ||
1020 | INIT_FAIL: | |
1021 | if (us->extra) { | |
1022 | kfree(chip->status); | |
1023 | kfree(us->extra); | |
1024 | us->extra = NULL; | |
1025 | } | |
1026 | ||
1027 | return -EIO; | |
1028 | } | |
1029 | ||
aa519be3 AM |
1030 | static struct scsi_host_template realtek_cr_host_template; |
1031 | ||
50a6cb93 | 1032 | static int realtek_cr_probe(struct usb_interface *intf, |
151d9fad | 1033 | const struct usb_device_id *id) |
50a6cb93 | 1034 | { |
1035 | struct us_data *us; | |
1036 | int result; | |
1037 | ||
191648d0 | 1038 | dev_dbg(&intf->dev, "Probe Realtek Card Reader!\n"); |
50a6cb93 | 1039 | |
1040 | result = usb_stor_probe1(&us, intf, id, | |
151d9fad | 1041 | (id - realtek_cr_ids) + |
aa519be3 AM |
1042 | realtek_cr_unusual_dev_list, |
1043 | &realtek_cr_host_template); | |
50a6cb93 | 1044 | if (result) |
1045 | return result; | |
1046 | ||
1047 | result = usb_stor_probe2(us); | |
151d9fad | 1048 | |
50a6cb93 | 1049 | return result; |
1050 | } | |
1051 | ||
1052 | static struct usb_driver realtek_cr_driver = { | |
aa519be3 | 1053 | .name = DRV_NAME, |
151d9fad | 1054 | .probe = realtek_cr_probe, |
1055 | .disconnect = usb_stor_disconnect, | |
e931830b | 1056 | /* .suspend = usb_stor_suspend, */ |
1057 | /* .resume = usb_stor_resume, */ | |
151d9fad | 1058 | .reset_resume = usb_stor_reset_resume, |
e931830b | 1059 | .suspend = realtek_cr_suspend, |
1060 | .resume = realtek_cr_resume, | |
151d9fad | 1061 | .pre_reset = usb_stor_pre_reset, |
1062 | .post_reset = usb_stor_post_reset, | |
1063 | .id_table = realtek_cr_ids, | |
1064 | .soft_unbind = 1, | |
e931830b | 1065 | .supports_autosuspend = 1, |
e73b2db6 | 1066 | .no_dynamic_id = 1, |
50a6cb93 | 1067 | }; |
1068 | ||
aa519be3 | 1069 | module_usb_stor_driver(realtek_cr_driver, realtek_cr_host_template, DRV_NAME); |