wwang | 50a6cb9 | 2011-01-14 16:53:34 +0800 | [diff] [blame] | 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> |
wwang | 50a6cb9 | 2011-01-14 16:53:34 +0800 | [diff] [blame] | 27 | #include <linux/kernel.h> |
wwang | 50a6cb9 | 2011-01-14 16:53:34 +0800 | [diff] [blame] | 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 | |
edwin_rong | e931830 | 2011-06-17 19:35:11 +0800 | [diff] [blame] | 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 | |
wwang | 50a6cb9 | 2011-01-14 16:53:34 +0800 | [diff] [blame] | 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 { |
edwin_rong | 151d9fad | 2011-06-17 19:35:09 +0800 | [diff] [blame] | 100 | u16 vendor_id; |
| 101 | u16 product_id; |
| 102 | char max_lun; |
wwang | 50a6cb9 | 2011-01-14 16:53:34 +0800 | [diff] [blame] | 103 | |
edwin_rong | 151d9fad | 2011-06-17 19:35:09 +0800 | [diff] [blame] | 104 | struct rts51x_status *status; |
| 105 | int status_len; |
wwang | 50a6cb9 | 2011-01-14 16:53:34 +0800 | [diff] [blame] | 106 | |
edwin_rong | e931830 | 2011-06-17 19:35:11 +0800 | [diff] [blame] | 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; |
wwang | 50a6cb9 | 2011-01-14 16:53:34 +0800 | [diff] [blame] | 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 | |
edwin_rong | e931830 | 2011-06-17 19:35:11 +0800 | [diff] [blame] | 138 | #define VENDOR_ID(chip) ((chip)->status[0].vid) |
| 139 | #define PRODUCT_ID(chip) ((chip)->status[0].pid) |
wwang | 50a6cb9 | 2011-01-14 16:53:34 +0800 | [diff] [blame] | 140 | #define FW_VERSION(chip) ((chip)->status[0].fw_ver) |
| 141 | #define STATUS_LEN(chip) ((chip)->status_len) |
| 142 | |
edwin_rong | e931830 | 2011-06-17 19:35:11 +0800 | [diff] [blame] | 143 | #define STATUS_SUCCESS 0 |
| 144 | #define STATUS_FAIL 1 |
| 145 | |
wwang | 50a6cb9 | 2011-01-14 16:53:34 +0800 | [diff] [blame] | 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 | |
wwang | 50a6cb9 | 2011-01-14 16:53:34 +0800 | [diff] [blame] | 165 | static int init_realtek_cr(struct us_data *us); |
| 166 | |
| 167 | /* |
| 168 | * The table of devices |
| 169 | */ |
| 170 | #define UNUSUAL_DEV(id_vendor, id_product, bcdDeviceMin, bcdDeviceMax, \ |
| 171 | vendorName, productName, useProtocol, useTransport, \ |
| 172 | initFunction, flags) \ |
| 173 | {\ |
| 174 | USB_DEVICE_VER(id_vendor, id_product, bcdDeviceMin, bcdDeviceMax), \ |
| 175 | .driver_info = (flags)|(USB_US_TYPE_STOR<<24)\ |
| 176 | } |
| 177 | |
wwang | 8a9e658 | 2011-02-15 17:02:47 +0800 | [diff] [blame] | 178 | static const struct usb_device_id realtek_cr_ids[] = { |
wwang | 50a6cb9 | 2011-01-14 16:53:34 +0800 | [diff] [blame] | 179 | # include "unusual_realtek.h" |
edwin_rong | 151d9fad | 2011-06-17 19:35:09 +0800 | [diff] [blame] | 180 | {} /* Terminating entry */ |
wwang | 50a6cb9 | 2011-01-14 16:53:34 +0800 | [diff] [blame] | 181 | }; |
edwin_rong | 151d9fad | 2011-06-17 19:35:09 +0800 | [diff] [blame] | 182 | |
wwang | 50a6cb9 | 2011-01-14 16:53:34 +0800 | [diff] [blame] | 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" |
edwin_rong | 151d9fad | 2011-06-17 19:35:09 +0800 | [diff] [blame] | 203 | {} /* Terminating entry */ |
wwang | 50a6cb9 | 2011-01-14 16:53:34 +0800 | [diff] [blame] | 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 | { |
edwin_rong | 151d9fad | 2011-06-17 19:35:09 +0800 | [diff] [blame] | 212 | struct bulk_cb_wrap *bcb = (struct bulk_cb_wrap *)us->iobuf; |
| 213 | struct bulk_cs_wrap *bcs = (struct bulk_cs_wrap *)us->iobuf; |
wwang | 50a6cb9 | 2011-01-14 16:53:34 +0800 | [diff] [blame] | 214 | int result; |
| 215 | unsigned int residue; |
| 216 | unsigned int cswlen; |
| 217 | unsigned int cbwlen = US_BULK_CB_WRAP_LEN; |
| 218 | |
| 219 | /* set up the command wrapper */ |
| 220 | bcb->Signature = cpu_to_le32(US_BULK_CB_SIGN); |
| 221 | bcb->DataTransferLength = cpu_to_le32(buf_len); |
| 222 | bcb->Flags = (dir == DMA_FROM_DEVICE) ? 1 << 7 : 0; |
| 223 | bcb->Tag = ++us->tag; |
| 224 | bcb->Lun = lun; |
| 225 | bcb->Length = cmd_len; |
| 226 | |
| 227 | /* copy the command payload */ |
| 228 | memset(bcb->CDB, 0, sizeof(bcb->CDB)); |
| 229 | memcpy(bcb->CDB, cmd, bcb->Length); |
| 230 | |
| 231 | /* send it to out endpoint */ |
| 232 | result = usb_stor_bulk_transfer_buf(us, us->send_bulk_pipe, |
edwin_rong | 151d9fad | 2011-06-17 19:35:09 +0800 | [diff] [blame] | 233 | bcb, cbwlen, NULL); |
wwang | 50a6cb9 | 2011-01-14 16:53:34 +0800 | [diff] [blame] | 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) ? |
edwin_rong | 151d9fad | 2011-06-17 19:35:09 +0800 | [diff] [blame] | 242 | us->recv_bulk_pipe : us->send_bulk_pipe; |
wwang | 50a6cb9 | 2011-01-14 16:53:34 +0800 | [diff] [blame] | 243 | result = usb_stor_bulk_transfer_buf(us, pipe, |
edwin_rong | 151d9fad | 2011-06-17 19:35:09 +0800 | [diff] [blame] | 244 | buf, buf_len, NULL); |
wwang | 50a6cb9 | 2011-01-14 16:53:34 +0800 | [diff] [blame] | 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, |
edwin_rong | 151d9fad | 2011-06-17 19:35:09 +0800 | [diff] [blame] | 251 | bcs, US_BULK_CS_WRAP_LEN, &cswlen); |
wwang | 50a6cb9 | 2011-01-14 16:53:34 +0800 | [diff] [blame] | 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", |
edwin_rong | 151d9fad | 2011-06-17 19:35:09 +0800 | [diff] [blame] | 258 | le32_to_cpu(bcs->Signature), US_BULK_CS_SIGN); |
wwang | 50a6cb9 | 2011-01-14 16:53:34 +0800 | [diff] [blame] | 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 |
edwin_rong | 151d9fad | 2011-06-17 19:35:09 +0800 | [diff] [blame] | 286 | * invoked by the invoke_transport() function |
| 287 | */ |
wwang | 50a6cb9 | 2011-01-14 16:53:34 +0800 | [diff] [blame] | 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 | |
edwin_rong | 45e1892 | 2011-09-16 16:53:37 +0800 | [diff] [blame] | 295 | static int rts51x_bulk_transport_special(struct us_data *us, u8 lun, |
| 296 | u8 *cmd, int cmd_len, u8 *buf, int buf_len, |
| 297 | enum dma_data_direction dir, int *act_len) |
| 298 | { |
| 299 | struct bulk_cb_wrap *bcb = (struct bulk_cb_wrap *) us->iobuf; |
| 300 | struct bulk_cs_wrap *bcs = (struct bulk_cs_wrap *) us->iobuf; |
| 301 | int result; |
| 302 | unsigned int cswlen; |
| 303 | unsigned int cbwlen = US_BULK_CB_WRAP_LEN; |
| 304 | |
| 305 | /* set up the command wrapper */ |
| 306 | bcb->Signature = cpu_to_le32(US_BULK_CB_SIGN); |
| 307 | bcb->DataTransferLength = cpu_to_le32(buf_len); |
| 308 | bcb->Flags = (dir == DMA_FROM_DEVICE) ? 1 << 7 : 0; |
| 309 | bcb->Tag = ++us->tag; |
| 310 | bcb->Lun = lun; |
| 311 | bcb->Length = cmd_len; |
| 312 | |
| 313 | /* copy the command payload */ |
| 314 | memset(bcb->CDB, 0, sizeof(bcb->CDB)); |
| 315 | memcpy(bcb->CDB, cmd, bcb->Length); |
| 316 | |
| 317 | /* send it to out endpoint */ |
| 318 | result = usb_stor_bulk_transfer_buf(us, us->send_bulk_pipe, |
| 319 | bcb, cbwlen, NULL); |
| 320 | if (result != USB_STOR_XFER_GOOD) |
| 321 | return USB_STOR_TRANSPORT_ERROR; |
| 322 | |
| 323 | /* DATA STAGE */ |
| 324 | /* send/receive data payload, if there is any */ |
| 325 | |
| 326 | if (buf && buf_len) { |
| 327 | unsigned int pipe = (dir == DMA_FROM_DEVICE) ? |
| 328 | us->recv_bulk_pipe : us->send_bulk_pipe; |
| 329 | result = usb_stor_bulk_transfer_buf(us, pipe, |
| 330 | buf, buf_len, NULL); |
| 331 | if (result == USB_STOR_XFER_ERROR) |
| 332 | return USB_STOR_TRANSPORT_ERROR; |
| 333 | } |
| 334 | |
| 335 | /* get CSW for device status */ |
| 336 | result = usb_bulk_msg(us->pusb_dev, us->recv_bulk_pipe, bcs, |
| 337 | US_BULK_CS_WRAP_LEN, &cswlen, 250); |
| 338 | return result; |
| 339 | } |
| 340 | |
wwang | 50a6cb9 | 2011-01-14 16:53:34 +0800 | [diff] [blame] | 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, |
edwin_rong | 151d9fad | 2011-06-17 19:35:09 +0800 | [diff] [blame] | 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); |
wwang | 50a6cb9 | 2011-01-14 16:53:34 +0800 | [diff] [blame] | 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; |
edwin_rong | 151d9fad | 2011-06-17 19:35:09 +0800 | [diff] [blame] | 367 | u8 cmnd[12] = { 0 }; |
Adam Cozzette | 065e609 | 2011-08-24 12:22:37 -0600 | [diff] [blame] | 368 | u8 *buf; |
| 369 | |
| 370 | buf = kmalloc(len, GFP_NOIO); |
| 371 | if (buf == NULL) |
| 372 | return USB_STOR_TRANSPORT_ERROR; |
wwang | 50a6cb9 | 2011-01-14 16:53:34 +0800 | [diff] [blame] | 373 | |
| 374 | US_DEBUGP("%s, addr = 0x%x, len = %d\n", __func__, addr, len); |
| 375 | |
| 376 | cmnd[0] = 0xF0; |
| 377 | cmnd[1] = 0x0D; |
edwin_rong | 151d9fad | 2011-06-17 19:35:09 +0800 | [diff] [blame] | 378 | cmnd[2] = (u8) (addr >> 8); |
| 379 | cmnd[3] = (u8) addr; |
| 380 | cmnd[4] = (u8) (len >> 8); |
| 381 | cmnd[5] = (u8) len; |
wwang | 50a6cb9 | 2011-01-14 16:53:34 +0800 | [diff] [blame] | 382 | |
| 383 | retval = rts51x_bulk_transport(us, 0, cmnd, 12, |
Adam Cozzette | 065e609 | 2011-08-24 12:22:37 -0600 | [diff] [blame] | 384 | buf, len, DMA_FROM_DEVICE, NULL); |
| 385 | if (retval != USB_STOR_TRANSPORT_GOOD) { |
| 386 | kfree(buf); |
wwang | 50a6cb9 | 2011-01-14 16:53:34 +0800 | [diff] [blame] | 387 | return -EIO; |
Adam Cozzette | 065e609 | 2011-08-24 12:22:37 -0600 | [diff] [blame] | 388 | } |
wwang | 50a6cb9 | 2011-01-14 16:53:34 +0800 | [diff] [blame] | 389 | |
Adam Cozzette | 065e609 | 2011-08-24 12:22:37 -0600 | [diff] [blame] | 390 | memcpy(data, buf, len); |
| 391 | kfree(buf); |
wwang | 50a6cb9 | 2011-01-14 16:53:34 +0800 | [diff] [blame] | 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; |
edwin_rong | 151d9fad | 2011-06-17 19:35:09 +0800 | [diff] [blame] | 398 | u8 cmnd[12] = { 0 }; |
Adam Cozzette | 065e609 | 2011-08-24 12:22:37 -0600 | [diff] [blame] | 399 | u8 *buf; |
| 400 | |
| 401 | buf = kmalloc(len, GFP_NOIO); |
| 402 | if (buf == NULL) |
| 403 | return USB_STOR_TRANSPORT_ERROR; |
| 404 | memcpy(buf, data, len); |
wwang | 50a6cb9 | 2011-01-14 16:53:34 +0800 | [diff] [blame] | 405 | |
| 406 | US_DEBUGP("%s, addr = 0x%x, len = %d\n", __func__, addr, len); |
| 407 | |
| 408 | cmnd[0] = 0xF0; |
| 409 | cmnd[1] = 0x0E; |
edwin_rong | 151d9fad | 2011-06-17 19:35:09 +0800 | [diff] [blame] | 410 | cmnd[2] = (u8) (addr >> 8); |
| 411 | cmnd[3] = (u8) addr; |
| 412 | cmnd[4] = (u8) (len >> 8); |
| 413 | cmnd[5] = (u8) len; |
wwang | 50a6cb9 | 2011-01-14 16:53:34 +0800 | [diff] [blame] | 414 | |
| 415 | retval = rts51x_bulk_transport(us, 0, cmnd, 12, |
Adam Cozzette | 065e609 | 2011-08-24 12:22:37 -0600 | [diff] [blame] | 416 | buf, len, DMA_TO_DEVICE, NULL); |
| 417 | kfree(buf); |
wwang | 50a6cb9 | 2011-01-14 16:53:34 +0800 | [diff] [blame] | 418 | if (retval != USB_STOR_TRANSPORT_GOOD) |
| 419 | return -EIO; |
| 420 | |
| 421 | return 0; |
| 422 | } |
| 423 | |
| 424 | static int rts51x_read_status(struct us_data *us, |
| 425 | u8 lun, u8 *status, int len, int *actlen) |
| 426 | { |
| 427 | int retval; |
edwin_rong | 151d9fad | 2011-06-17 19:35:09 +0800 | [diff] [blame] | 428 | u8 cmnd[12] = { 0 }; |
Adam Cozzette | 065e609 | 2011-08-24 12:22:37 -0600 | [diff] [blame] | 429 | u8 *buf; |
| 430 | |
| 431 | buf = kmalloc(len, GFP_NOIO); |
| 432 | if (buf == NULL) |
| 433 | return USB_STOR_TRANSPORT_ERROR; |
wwang | 50a6cb9 | 2011-01-14 16:53:34 +0800 | [diff] [blame] | 434 | |
| 435 | US_DEBUGP("%s, lun = %d\n", __func__, lun); |
| 436 | |
| 437 | cmnd[0] = 0xF0; |
| 438 | cmnd[1] = 0x09; |
| 439 | |
| 440 | retval = rts51x_bulk_transport(us, lun, cmnd, 12, |
Adam Cozzette | 065e609 | 2011-08-24 12:22:37 -0600 | [diff] [blame] | 441 | buf, len, DMA_FROM_DEVICE, actlen); |
| 442 | if (retval != USB_STOR_TRANSPORT_GOOD) { |
| 443 | kfree(buf); |
wwang | 50a6cb9 | 2011-01-14 16:53:34 +0800 | [diff] [blame] | 444 | return -EIO; |
Adam Cozzette | 065e609 | 2011-08-24 12:22:37 -0600 | [diff] [blame] | 445 | } |
wwang | 50a6cb9 | 2011-01-14 16:53:34 +0800 | [diff] [blame] | 446 | |
Adam Cozzette | 065e609 | 2011-08-24 12:22:37 -0600 | [diff] [blame] | 447 | memcpy(status, buf, len); |
| 448 | kfree(buf); |
wwang | 50a6cb9 | 2011-01-14 16:53:34 +0800 | [diff] [blame] | 449 | return 0; |
| 450 | } |
| 451 | |
| 452 | static int rts51x_check_status(struct us_data *us, u8 lun) |
| 453 | { |
| 454 | struct rts51x_chip *chip = (struct rts51x_chip *)(us->extra); |
| 455 | int retval; |
| 456 | u8 buf[16]; |
| 457 | |
| 458 | retval = rts51x_read_status(us, lun, buf, 16, &(chip->status_len)); |
| 459 | if (retval < 0) |
| 460 | return -EIO; |
| 461 | |
| 462 | US_DEBUGP("chip->status_len = %d\n", chip->status_len); |
| 463 | |
edwin_rong | 151d9fad | 2011-06-17 19:35:09 +0800 | [diff] [blame] | 464 | chip->status[lun].vid = ((u16) buf[0] << 8) | buf[1]; |
| 465 | chip->status[lun].pid = ((u16) buf[2] << 8) | buf[3]; |
wwang | 50a6cb9 | 2011-01-14 16:53:34 +0800 | [diff] [blame] | 466 | chip->status[lun].cur_lun = buf[4]; |
| 467 | chip->status[lun].card_type = buf[5]; |
| 468 | chip->status[lun].total_lun = buf[6]; |
edwin_rong | 151d9fad | 2011-06-17 19:35:09 +0800 | [diff] [blame] | 469 | chip->status[lun].fw_ver = ((u16) buf[7] << 8) | buf[8]; |
wwang | 50a6cb9 | 2011-01-14 16:53:34 +0800 | [diff] [blame] | 470 | chip->status[lun].phy_exist = buf[9]; |
| 471 | chip->status[lun].multi_flag = buf[10]; |
| 472 | chip->status[lun].multi_card = buf[11]; |
| 473 | chip->status[lun].log_exist = buf[12]; |
| 474 | if (chip->status_len == 16) { |
| 475 | chip->status[lun].detailed_type.detailed_type1 = buf[13]; |
| 476 | chip->status[lun].function[0] = buf[14]; |
| 477 | chip->status[lun].function[1] = buf[15]; |
| 478 | } |
| 479 | |
| 480 | return 0; |
| 481 | } |
| 482 | |
| 483 | static int enable_oscillator(struct us_data *us) |
| 484 | { |
| 485 | int retval; |
| 486 | u8 value; |
| 487 | |
| 488 | retval = rts51x_read_mem(us, 0xFE77, &value, 1); |
| 489 | if (retval < 0) |
| 490 | return -EIO; |
| 491 | |
| 492 | value |= 0x04; |
| 493 | retval = rts51x_write_mem(us, 0xFE77, &value, 1); |
| 494 | if (retval < 0) |
| 495 | return -EIO; |
| 496 | |
| 497 | retval = rts51x_read_mem(us, 0xFE77, &value, 1); |
| 498 | if (retval < 0) |
| 499 | return -EIO; |
| 500 | |
| 501 | if (!(value & 0x04)) |
| 502 | return -EIO; |
| 503 | |
| 504 | return 0; |
| 505 | } |
| 506 | |
edwin_rong | 45e1892 | 2011-09-16 16:53:37 +0800 | [diff] [blame] | 507 | static int __do_config_autodelink(struct us_data *us, u8 *data, u16 len) |
| 508 | { |
| 509 | int retval; |
edwin_rong | 45e1892 | 2011-09-16 16:53:37 +0800 | [diff] [blame] | 510 | u8 cmnd[12] = {0}; |
| 511 | |
Felipe Balbi | d762ad4 | 2011-11-15 09:53:37 +0200 | [diff] [blame^] | 512 | US_DEBUGP("%s, addr = 0xfe47, len = %d\n", __FUNCTION__, len); |
edwin_rong | 45e1892 | 2011-09-16 16:53:37 +0800 | [diff] [blame] | 513 | |
| 514 | cmnd[0] = 0xF0; |
| 515 | cmnd[1] = 0x0E; |
Felipe Balbi | d762ad4 | 2011-11-15 09:53:37 +0200 | [diff] [blame^] | 516 | cmnd[2] = 0xfe; |
| 517 | cmnd[3] = 0x47; |
edwin_rong | 45e1892 | 2011-09-16 16:53:37 +0800 | [diff] [blame] | 518 | cmnd[4] = (u8)(len >> 8); |
| 519 | cmnd[5] = (u8)len; |
| 520 | |
| 521 | retval = rts51x_bulk_transport_special(us, 0, cmnd, 12, data, len, DMA_TO_DEVICE, NULL); |
| 522 | if (retval != USB_STOR_TRANSPORT_GOOD) { |
| 523 | return -EIO; |
| 524 | } |
| 525 | |
| 526 | return 0; |
| 527 | } |
| 528 | |
wwang | 50a6cb9 | 2011-01-14 16:53:34 +0800 | [diff] [blame] | 529 | static int do_config_autodelink(struct us_data *us, int enable, int force) |
| 530 | { |
| 531 | int retval; |
| 532 | u8 value; |
| 533 | |
| 534 | retval = rts51x_read_mem(us, 0xFE47, &value, 1); |
| 535 | if (retval < 0) |
| 536 | return -EIO; |
| 537 | |
| 538 | if (enable) { |
| 539 | if (force) |
| 540 | value |= 0x03; |
| 541 | else |
| 542 | value |= 0x01; |
| 543 | } else { |
| 544 | value &= ~0x03; |
| 545 | } |
| 546 | |
| 547 | US_DEBUGP("In %s,set 0xfe47 to 0x%x\n", __func__, value); |
| 548 | |
edwin_rong | 45e1892 | 2011-09-16 16:53:37 +0800 | [diff] [blame] | 549 | /* retval = rts51x_write_mem(us, 0xFE47, &value, 1); */ |
| 550 | retval = __do_config_autodelink(us, &value, 1); |
wwang | 50a6cb9 | 2011-01-14 16:53:34 +0800 | [diff] [blame] | 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 | |
edwin_rong | e931830 | 2011-06-17 19:35:11 +0800 | [diff] [blame] | 563 | US_DEBUGP("%s: <---\n", __func__); |
| 564 | |
wwang | 50a6cb9 | 2011-01-14 16:53:34 +0800 | [diff] [blame] | 565 | if (!CHK_AUTO_DELINK(chip)) |
| 566 | return 0; |
| 567 | |
| 568 | retval = rts51x_read_mem(us, 0xFE47, &value, 1); |
| 569 | if (retval < 0) |
| 570 | return -EIO; |
| 571 | |
| 572 | if (auto_delink_en) { |
| 573 | CLR_BIT(value, 0); |
| 574 | CLR_BIT(value, 1); |
| 575 | SET_BIT(value, 2); |
| 576 | |
| 577 | if (CHECK_ID(chip, 0x0138, 0x3882)) |
| 578 | CLR_BIT(value, 2); |
| 579 | |
| 580 | SET_BIT(value, 7); |
| 581 | |
edwin_rong | 45e1892 | 2011-09-16 16:53:37 +0800 | [diff] [blame] | 582 | /* retval = rts51x_write_mem(us, 0xFE47, &value, 1); */ |
| 583 | retval = __do_config_autodelink(us, &value, 1); |
wwang | 50a6cb9 | 2011-01-14 16:53:34 +0800 | [diff] [blame] | 584 | if (retval < 0) |
| 585 | return -EIO; |
| 586 | |
| 587 | retval = enable_oscillator(us); |
| 588 | if (retval == 0) |
| 589 | (void)do_config_autodelink(us, 1, 0); |
| 590 | } else { |
| 591 | /* Autodelink controlled by firmware */ |
| 592 | |
| 593 | SET_BIT(value, 2); |
| 594 | |
| 595 | if (CHECK_ID(chip, 0x0138, 0x3882)) |
| 596 | CLR_BIT(value, 2); |
| 597 | |
| 598 | if (CHECK_ID(chip, 0x0159, 0x5889) || |
edwin_rong | 151d9fad | 2011-06-17 19:35:09 +0800 | [diff] [blame] | 599 | CHECK_ID(chip, 0x0138, 0x3880)) { |
wwang | 50a6cb9 | 2011-01-14 16:53:34 +0800 | [diff] [blame] | 600 | CLR_BIT(value, 0); |
| 601 | CLR_BIT(value, 7); |
| 602 | } |
| 603 | |
edwin_rong | 45e1892 | 2011-09-16 16:53:37 +0800 | [diff] [blame] | 604 | /* retval = rts51x_write_mem(us, 0xFE47, &value, 1); */ |
| 605 | retval = __do_config_autodelink(us, &value, 1); |
wwang | 50a6cb9 | 2011-01-14 16:53:34 +0800 | [diff] [blame] | 606 | if (retval < 0) |
| 607 | return -EIO; |
| 608 | |
| 609 | if (CHECK_ID(chip, 0x0159, 0x5888)) { |
| 610 | value = 0xFF; |
| 611 | retval = rts51x_write_mem(us, 0xFE79, &value, 1); |
| 612 | if (retval < 0) |
| 613 | return -EIO; |
| 614 | |
| 615 | value = 0x01; |
| 616 | retval = rts51x_write_mem(us, 0x48, &value, 1); |
| 617 | if (retval < 0) |
| 618 | return -EIO; |
| 619 | } |
| 620 | } |
| 621 | |
edwin_rong | e931830 | 2011-06-17 19:35:11 +0800 | [diff] [blame] | 622 | US_DEBUGP("%s: --->\n", __func__); |
| 623 | |
wwang | 50a6cb9 | 2011-01-14 16:53:34 +0800 | [diff] [blame] | 624 | return 0; |
| 625 | } |
| 626 | |
| 627 | static int config_autodelink_before_power_down(struct us_data *us) |
| 628 | { |
| 629 | struct rts51x_chip *chip = (struct rts51x_chip *)(us->extra); |
| 630 | int retval; |
| 631 | u8 value; |
| 632 | |
edwin_rong | e931830 | 2011-06-17 19:35:11 +0800 | [diff] [blame] | 633 | US_DEBUGP("%s: <---\n", __func__); |
| 634 | |
wwang | 50a6cb9 | 2011-01-14 16:53:34 +0800 | [diff] [blame] | 635 | if (!CHK_AUTO_DELINK(chip)) |
| 636 | return 0; |
| 637 | |
| 638 | if (auto_delink_en) { |
| 639 | retval = rts51x_read_mem(us, 0xFE77, &value, 1); |
| 640 | if (retval < 0) |
| 641 | return -EIO; |
| 642 | |
| 643 | SET_BIT(value, 2); |
| 644 | retval = rts51x_write_mem(us, 0xFE77, &value, 1); |
| 645 | if (retval < 0) |
| 646 | return -EIO; |
| 647 | |
| 648 | if (CHECK_ID(chip, 0x0159, 0x5888)) { |
| 649 | value = 0x01; |
| 650 | retval = rts51x_write_mem(us, 0x48, &value, 1); |
| 651 | if (retval < 0) |
| 652 | return -EIO; |
| 653 | } |
| 654 | |
| 655 | retval = rts51x_read_mem(us, 0xFE47, &value, 1); |
| 656 | if (retval < 0) |
| 657 | return -EIO; |
| 658 | |
| 659 | SET_BIT(value, 0); |
| 660 | if (CHECK_ID(chip, 0x0138, 0x3882)) |
| 661 | SET_BIT(value, 2); |
| 662 | retval = rts51x_write_mem(us, 0xFE77, &value, 1); |
| 663 | if (retval < 0) |
| 664 | return -EIO; |
| 665 | } else { |
| 666 | if (CHECK_ID(chip, 0x0159, 0x5889) || |
edwin_rong | 151d9fad | 2011-06-17 19:35:09 +0800 | [diff] [blame] | 667 | CHECK_ID(chip, 0x0138, 0x3880) || |
| 668 | CHECK_ID(chip, 0x0138, 0x3882)) { |
wwang | 50a6cb9 | 2011-01-14 16:53:34 +0800 | [diff] [blame] | 669 | retval = rts51x_read_mem(us, 0xFE47, &value, 1); |
| 670 | if (retval < 0) |
| 671 | return -EIO; |
| 672 | |
| 673 | if (CHECK_ID(chip, 0x0159, 0x5889) || |
edwin_rong | 151d9fad | 2011-06-17 19:35:09 +0800 | [diff] [blame] | 674 | CHECK_ID(chip, 0x0138, 0x3880)) { |
wwang | 50a6cb9 | 2011-01-14 16:53:34 +0800 | [diff] [blame] | 675 | SET_BIT(value, 0); |
| 676 | SET_BIT(value, 7); |
| 677 | } |
| 678 | |
| 679 | if (CHECK_ID(chip, 0x0138, 0x3882)) |
| 680 | SET_BIT(value, 2); |
| 681 | |
edwin_rong | 45e1892 | 2011-09-16 16:53:37 +0800 | [diff] [blame] | 682 | /* retval = rts51x_write_mem(us, 0xFE47, &value, 1); */ |
| 683 | retval = __do_config_autodelink(us, &value, 1); |
wwang | 50a6cb9 | 2011-01-14 16:53:34 +0800 | [diff] [blame] | 684 | if (retval < 0) |
| 685 | return -EIO; |
| 686 | } |
| 687 | |
| 688 | if (CHECK_ID(chip, 0x0159, 0x5888)) { |
| 689 | value = 0x01; |
| 690 | retval = rts51x_write_mem(us, 0x48, &value, 1); |
| 691 | if (retval < 0) |
| 692 | return -EIO; |
| 693 | } |
| 694 | } |
| 695 | |
edwin_rong | e931830 | 2011-06-17 19:35:11 +0800 | [diff] [blame] | 696 | US_DEBUGP("%s: --->\n", __func__); |
| 697 | |
wwang | 50a6cb9 | 2011-01-14 16:53:34 +0800 | [diff] [blame] | 698 | return 0; |
| 699 | } |
| 700 | |
edwin_rong | e931830 | 2011-06-17 19:35:11 +0800 | [diff] [blame] | 701 | static void fw5895_init(struct us_data *us) |
| 702 | { |
| 703 | struct rts51x_chip *chip = (struct rts51x_chip *)(us->extra); |
| 704 | int retval; |
| 705 | u8 val; |
| 706 | |
| 707 | US_DEBUGP("%s: <---\n", __func__); |
| 708 | |
| 709 | if ((PRODUCT_ID(chip) != 0x0158) || (FW_VERSION(chip) != 0x5895)) { |
| 710 | US_DEBUGP("Not the specified device, return immediately!\n"); |
| 711 | } else { |
| 712 | retval = rts51x_read_mem(us, 0xFD6F, &val, 1); |
| 713 | if (retval == STATUS_SUCCESS && (val & 0x1F) == 0) { |
| 714 | val = 0x1F; |
| 715 | retval = rts51x_write_mem(us, 0xFD70, &val, 1); |
| 716 | if (retval != STATUS_SUCCESS) |
| 717 | US_DEBUGP("Write memory fail\n"); |
| 718 | } else { |
| 719 | US_DEBUGP("Read memory fail, OR (val & 0x1F) != 0\n"); |
| 720 | } |
| 721 | } |
| 722 | |
| 723 | US_DEBUGP("%s: --->\n", __func__); |
| 724 | } |
| 725 | |
| 726 | #ifdef CONFIG_REALTEK_AUTOPM |
| 727 | static void fw5895_set_mmc_wp(struct us_data *us) |
| 728 | { |
| 729 | struct rts51x_chip *chip = (struct rts51x_chip *)(us->extra); |
| 730 | int retval; |
| 731 | u8 buf[13]; |
| 732 | |
| 733 | US_DEBUGP("%s: <---\n", __func__); |
| 734 | |
| 735 | if ((PRODUCT_ID(chip) != 0x0158) || (FW_VERSION(chip) != 0x5895)) { |
| 736 | US_DEBUGP("Not the specified device, return immediately!\n"); |
| 737 | } else { |
| 738 | retval = rts51x_read_mem(us, 0xFD6F, buf, 1); |
| 739 | if (retval == STATUS_SUCCESS && (buf[0] & 0x24) == 0x24) { |
| 740 | /* SD Exist and SD WP */ |
| 741 | retval = rts51x_read_mem(us, 0xD04E, buf, 1); |
| 742 | if (retval == STATUS_SUCCESS) { |
| 743 | buf[0] |= 0x04; |
| 744 | retval = rts51x_write_mem(us, 0xFD70, buf, 1); |
| 745 | if (retval != STATUS_SUCCESS) |
| 746 | US_DEBUGP("Write memory fail\n"); |
| 747 | } else { |
| 748 | US_DEBUGP("Read memory fail\n"); |
| 749 | } |
| 750 | } else { |
| 751 | US_DEBUGP("Read memory fail, OR (buf[0]&0x24)!=0x24\n"); |
| 752 | } |
| 753 | } |
| 754 | |
| 755 | US_DEBUGP("%s: --->\n", __func__); |
| 756 | } |
| 757 | |
| 758 | static void rts51x_modi_suspend_timer(struct rts51x_chip *chip) |
| 759 | { |
| 760 | US_DEBUGP("%s: <---, state:%d\n", __func__, rts51x_get_stat(chip)); |
| 761 | |
| 762 | chip->timer_expires = jiffies + msecs_to_jiffies(1000*ss_delay); |
| 763 | mod_timer(&chip->rts51x_suspend_timer, chip->timer_expires); |
| 764 | |
| 765 | US_DEBUGP("%s: --->\n", __func__); |
| 766 | } |
| 767 | |
| 768 | static void rts51x_suspend_timer_fn(unsigned long data) |
| 769 | { |
| 770 | struct rts51x_chip *chip = (struct rts51x_chip *)data; |
| 771 | struct us_data *us = chip->us; |
| 772 | |
| 773 | US_DEBUGP("%s: <---\n", __func__); |
| 774 | |
| 775 | switch (rts51x_get_stat(chip)) { |
| 776 | case RTS51X_STAT_INIT: |
| 777 | case RTS51X_STAT_RUN: |
| 778 | rts51x_modi_suspend_timer(chip); |
| 779 | break; |
| 780 | case RTS51X_STAT_IDLE: |
| 781 | case RTS51X_STAT_SS: |
| 782 | US_DEBUGP("%s: RTS51X_STAT_SS, intf->pm_usage_cnt:%d," |
| 783 | "power.usage:%d\n", __func__, |
| 784 | atomic_read(&us->pusb_intf->pm_usage_cnt), |
| 785 | atomic_read(&us->pusb_intf->dev.power.usage_count)); |
| 786 | |
| 787 | if (atomic_read(&us->pusb_intf->pm_usage_cnt) > 0) { |
| 788 | US_DEBUGP("%s: Ready to enter SS state.\n", |
| 789 | __func__); |
| 790 | rts51x_set_stat(chip, RTS51X_STAT_SS); |
| 791 | /* ignore mass storage interface's children */ |
| 792 | pm_suspend_ignore_children(&us->pusb_intf->dev, true); |
| 793 | usb_autopm_put_interface(us->pusb_intf); |
| 794 | US_DEBUGP("%s: RTS51X_STAT_SS 01," |
| 795 | "intf->pm_usage_cnt:%d, power.usage:%d\n", |
| 796 | __func__, |
| 797 | atomic_read(&us->pusb_intf->pm_usage_cnt), |
| 798 | atomic_read( |
| 799 | &us->pusb_intf->dev.power.usage_count)); |
| 800 | } |
| 801 | break; |
| 802 | default: |
| 803 | US_DEBUGP("%s: Unknonwn state !!!\n", __func__); |
| 804 | break; |
| 805 | } |
| 806 | |
| 807 | US_DEBUGP("%s: --->\n", __func__); |
| 808 | } |
| 809 | |
| 810 | static inline int working_scsi(struct scsi_cmnd *srb) |
| 811 | { |
| 812 | if ((srb->cmnd[0] == TEST_UNIT_READY) || |
| 813 | (srb->cmnd[0] == ALLOW_MEDIUM_REMOVAL)) { |
| 814 | return 0; |
| 815 | } |
| 816 | |
| 817 | return 1; |
| 818 | } |
| 819 | |
Felipe Balbi | d762ad4 | 2011-11-15 09:53:37 +0200 | [diff] [blame^] | 820 | static void rts51x_invoke_transport(struct scsi_cmnd *srb, struct us_data *us) |
edwin_rong | e931830 | 2011-06-17 19:35:11 +0800 | [diff] [blame] | 821 | { |
| 822 | struct rts51x_chip *chip = (struct rts51x_chip *)(us->extra); |
| 823 | static int card_first_show = 1; |
| 824 | static u8 media_not_present[] = { 0x70, 0, 0x02, 0, 0, 0, 0, |
| 825 | 10, 0, 0, 0, 0, 0x3A, 0, 0, 0, 0, 0 |
| 826 | }; |
| 827 | static u8 invalid_cmd_field[] = { 0x70, 0, 0x05, 0, 0, 0, 0, |
| 828 | 10, 0, 0, 0, 0, 0x24, 0, 0, 0, 0, 0 |
| 829 | }; |
| 830 | int ret; |
| 831 | |
| 832 | US_DEBUGP("%s: <---\n", __func__); |
| 833 | |
| 834 | if (working_scsi(srb)) { |
| 835 | US_DEBUGP("%s: working scsi, intf->pm_usage_cnt:%d," |
| 836 | "power.usage:%d\n", __func__, |
| 837 | atomic_read(&us->pusb_intf->pm_usage_cnt), |
| 838 | atomic_read(&us->pusb_intf->dev.power.usage_count)); |
| 839 | |
| 840 | if (atomic_read(&us->pusb_intf->pm_usage_cnt) <= 0) { |
| 841 | ret = usb_autopm_get_interface(us->pusb_intf); |
| 842 | US_DEBUGP("%s: working scsi, ret=%d\n", __func__, ret); |
| 843 | } |
| 844 | if (rts51x_get_stat(chip) != RTS51X_STAT_RUN) |
| 845 | rts51x_set_stat(chip, RTS51X_STAT_RUN); |
| 846 | chip->proto_handler_backup(srb, us); |
| 847 | } else { |
| 848 | if (rts51x_get_stat(chip) == RTS51X_STAT_SS) { |
| 849 | US_DEBUGP("%s: NOT working scsi\n", __func__); |
| 850 | if ((srb->cmnd[0] == TEST_UNIT_READY) && |
| 851 | (chip->pwr_state == US_SUSPEND)) { |
| 852 | if (TST_LUN_READY(chip, srb->device->lun)) { |
| 853 | srb->result = SAM_STAT_GOOD; |
| 854 | } else { |
| 855 | srb->result = SAM_STAT_CHECK_CONDITION; |
| 856 | memcpy(srb->sense_buffer, |
| 857 | media_not_present, |
| 858 | US_SENSE_SIZE); |
| 859 | } |
| 860 | US_DEBUGP("%s: TEST_UNIT_READY--->\n", |
| 861 | __func__); |
| 862 | goto out; |
| 863 | } |
| 864 | if (srb->cmnd[0] == ALLOW_MEDIUM_REMOVAL) { |
| 865 | int prevent = srb->cmnd[4] & 0x1; |
| 866 | if (prevent) { |
| 867 | srb->result = SAM_STAT_CHECK_CONDITION; |
| 868 | memcpy(srb->sense_buffer, |
| 869 | invalid_cmd_field, |
| 870 | US_SENSE_SIZE); |
| 871 | } else { |
| 872 | srb->result = SAM_STAT_GOOD; |
| 873 | } |
| 874 | US_DEBUGP("%s: ALLOW_MEDIUM_REMOVAL--->\n", |
| 875 | __func__); |
| 876 | goto out; |
| 877 | } |
| 878 | } else { |
| 879 | US_DEBUGP("%s: NOT working scsi, not SS\n", __func__); |
| 880 | chip->proto_handler_backup(srb, us); |
| 881 | /* Check wether card is plugged in */ |
| 882 | if (srb->cmnd[0] == TEST_UNIT_READY) { |
| 883 | if (srb->result == SAM_STAT_GOOD) { |
| 884 | SET_LUN_READY(chip, srb->device->lun); |
| 885 | if (card_first_show) { |
| 886 | card_first_show = 0; |
| 887 | fw5895_set_mmc_wp(us); |
| 888 | } |
| 889 | } else { |
| 890 | CLR_LUN_READY(chip, srb->device->lun); |
| 891 | card_first_show = 1; |
| 892 | } |
| 893 | } |
| 894 | if (rts51x_get_stat(chip) != RTS51X_STAT_IDLE) |
| 895 | rts51x_set_stat(chip, RTS51X_STAT_IDLE); |
| 896 | } |
| 897 | } |
| 898 | out: |
| 899 | US_DEBUGP("%s: state:%d\n", __func__, rts51x_get_stat(chip)); |
| 900 | if (rts51x_get_stat(chip) == RTS51X_STAT_RUN) |
| 901 | rts51x_modi_suspend_timer(chip); |
| 902 | |
| 903 | US_DEBUGP("%s: --->\n", __func__); |
| 904 | } |
| 905 | |
| 906 | static int realtek_cr_autosuspend_setup(struct us_data *us) |
| 907 | { |
| 908 | struct rts51x_chip *chip; |
| 909 | struct rts51x_status *status = NULL; |
| 910 | u8 buf[16]; |
| 911 | int retval; |
| 912 | |
| 913 | chip = (struct rts51x_chip *)us->extra; |
| 914 | chip->support_auto_delink = 0; |
| 915 | chip->pwr_state = US_RESUME; |
| 916 | chip->lun_ready = 0; |
| 917 | rts51x_set_stat(chip, RTS51X_STAT_INIT); |
| 918 | |
| 919 | retval = rts51x_read_status(us, 0, buf, 16, &(chip->status_len)); |
| 920 | if (retval != STATUS_SUCCESS) { |
| 921 | US_DEBUGP("Read status fail\n"); |
| 922 | return -EIO; |
| 923 | } |
| 924 | status = chip->status; |
| 925 | status->vid = ((u16) buf[0] << 8) | buf[1]; |
| 926 | status->pid = ((u16) buf[2] << 8) | buf[3]; |
| 927 | status->cur_lun = buf[4]; |
| 928 | status->card_type = buf[5]; |
| 929 | status->total_lun = buf[6]; |
| 930 | status->fw_ver = ((u16) buf[7] << 8) | buf[8]; |
| 931 | status->phy_exist = buf[9]; |
| 932 | status->multi_flag = buf[10]; |
| 933 | status->multi_card = buf[11]; |
| 934 | status->log_exist = buf[12]; |
| 935 | if (chip->status_len == 16) { |
| 936 | status->detailed_type.detailed_type1 = buf[13]; |
| 937 | status->function[0] = buf[14]; |
| 938 | status->function[1] = buf[15]; |
| 939 | } |
| 940 | |
| 941 | /* back up the proto_handler in us->extra */ |
| 942 | chip = (struct rts51x_chip *)(us->extra); |
| 943 | chip->proto_handler_backup = us->proto_handler; |
| 944 | /* Set the autosuspend_delay to 0 */ |
| 945 | pm_runtime_set_autosuspend_delay(&us->pusb_dev->dev, 0); |
| 946 | /* override us->proto_handler setted in get_protocol() */ |
| 947 | us->proto_handler = rts51x_invoke_transport; |
| 948 | |
| 949 | chip->timer_expires = 0; |
| 950 | setup_timer(&chip->rts51x_suspend_timer, rts51x_suspend_timer_fn, |
| 951 | (unsigned long)chip); |
| 952 | fw5895_init(us); |
| 953 | |
| 954 | /* enable autosuspend funciton of the usb device */ |
| 955 | usb_enable_autosuspend(us->pusb_dev); |
| 956 | |
| 957 | return 0; |
| 958 | } |
| 959 | #endif |
| 960 | |
wwang | 50a6cb9 | 2011-01-14 16:53:34 +0800 | [diff] [blame] | 961 | static void realtek_cr_destructor(void *extra) |
| 962 | { |
| 963 | struct rts51x_chip *chip = (struct rts51x_chip *)extra; |
| 964 | |
edwin_rong | e931830 | 2011-06-17 19:35:11 +0800 | [diff] [blame] | 965 | US_DEBUGP("%s: <---\n", __func__); |
| 966 | |
wwang | 50a6cb9 | 2011-01-14 16:53:34 +0800 | [diff] [blame] | 967 | if (!chip) |
| 968 | return; |
edwin_rong | e931830 | 2011-06-17 19:35:11 +0800 | [diff] [blame] | 969 | #ifdef CONFIG_REALTEK_AUTOPM |
| 970 | if (ss_en) { |
| 971 | del_timer(&chip->rts51x_suspend_timer); |
| 972 | chip->timer_expires = 0; |
| 973 | } |
| 974 | #endif |
wwang | 50a6cb9 | 2011-01-14 16:53:34 +0800 | [diff] [blame] | 975 | kfree(chip->status); |
| 976 | } |
| 977 | |
| 978 | #ifdef CONFIG_PM |
Felipe Balbi | d762ad4 | 2011-11-15 09:53:37 +0200 | [diff] [blame^] | 979 | static int realtek_cr_suspend(struct usb_interface *iface, pm_message_t message) |
wwang | 50a6cb9 | 2011-01-14 16:53:34 +0800 | [diff] [blame] | 980 | { |
edwin_rong | e931830 | 2011-06-17 19:35:11 +0800 | [diff] [blame] | 981 | struct us_data *us = usb_get_intfdata(iface); |
| 982 | |
| 983 | US_DEBUGP("%s: <---\n", __func__); |
| 984 | |
| 985 | /* wait until no command is running */ |
| 986 | mutex_lock(&us->dev_mutex); |
| 987 | |
| 988 | config_autodelink_before_power_down(us); |
| 989 | |
| 990 | mutex_unlock(&us->dev_mutex); |
| 991 | |
| 992 | US_DEBUGP("%s: --->\n", __func__); |
| 993 | |
| 994 | return 0; |
wwang | 50a6cb9 | 2011-01-14 16:53:34 +0800 | [diff] [blame] | 995 | } |
edwin_rong | e931830 | 2011-06-17 19:35:11 +0800 | [diff] [blame] | 996 | |
| 997 | static int realtek_cr_resume(struct usb_interface *iface) |
| 998 | { |
| 999 | struct us_data *us = usb_get_intfdata(iface); |
| 1000 | |
| 1001 | US_DEBUGP("%s: <---\n", __func__); |
| 1002 | |
| 1003 | fw5895_init(us); |
| 1004 | config_autodelink_after_power_on(us); |
| 1005 | |
| 1006 | US_DEBUGP("%s: --->\n", __func__); |
| 1007 | |
| 1008 | return 0; |
| 1009 | } |
| 1010 | #else |
| 1011 | #define realtek_cr_suspend NULL |
| 1012 | #define realtek_cr_resume NULL |
wwang | 50a6cb9 | 2011-01-14 16:53:34 +0800 | [diff] [blame] | 1013 | #endif |
| 1014 | |
| 1015 | static int init_realtek_cr(struct us_data *us) |
| 1016 | { |
| 1017 | struct rts51x_chip *chip; |
| 1018 | int size, i, retval; |
| 1019 | |
| 1020 | chip = kzalloc(sizeof(struct rts51x_chip), GFP_KERNEL); |
| 1021 | if (!chip) |
| 1022 | return -ENOMEM; |
| 1023 | |
| 1024 | us->extra = chip; |
| 1025 | us->extra_destructor = realtek_cr_destructor; |
wwang | 50a6cb9 | 2011-01-14 16:53:34 +0800 | [diff] [blame] | 1026 | us->max_lun = chip->max_lun = rts51x_get_max_lun(us); |
| 1027 | |
| 1028 | US_DEBUGP("chip->max_lun = %d\n", chip->max_lun); |
| 1029 | |
| 1030 | size = (chip->max_lun + 1) * sizeof(struct rts51x_status); |
| 1031 | chip->status = kzalloc(size, GFP_KERNEL); |
| 1032 | if (!chip->status) |
| 1033 | goto INIT_FAIL; |
| 1034 | |
| 1035 | for (i = 0; i <= (int)(chip->max_lun); i++) { |
edwin_rong | 151d9fad | 2011-06-17 19:35:09 +0800 | [diff] [blame] | 1036 | retval = rts51x_check_status(us, (u8) i); |
wwang | 50a6cb9 | 2011-01-14 16:53:34 +0800 | [diff] [blame] | 1037 | if (retval < 0) |
| 1038 | goto INIT_FAIL; |
| 1039 | } |
| 1040 | |
| 1041 | if (CHECK_FW_VER(chip, 0x5888) || CHECK_FW_VER(chip, 0x5889) || |
edwin_rong | 151d9fad | 2011-06-17 19:35:09 +0800 | [diff] [blame] | 1042 | CHECK_FW_VER(chip, 0x5901)) |
wwang | 50a6cb9 | 2011-01-14 16:53:34 +0800 | [diff] [blame] | 1043 | SET_AUTO_DELINK(chip); |
| 1044 | if (STATUS_LEN(chip) == 16) { |
| 1045 | if (SUPPORT_AUTO_DELINK(chip)) |
| 1046 | SET_AUTO_DELINK(chip); |
| 1047 | } |
edwin_rong | e931830 | 2011-06-17 19:35:11 +0800 | [diff] [blame] | 1048 | #ifdef CONFIG_REALTEK_AUTOPM |
| 1049 | if (ss_en) { |
| 1050 | chip->us = us; |
| 1051 | realtek_cr_autosuspend_setup(us); |
| 1052 | } |
| 1053 | #endif |
wwang | 50a6cb9 | 2011-01-14 16:53:34 +0800 | [diff] [blame] | 1054 | |
| 1055 | US_DEBUGP("chip->flag = 0x%x\n", chip->flag); |
| 1056 | |
| 1057 | (void)config_autodelink_after_power_on(us); |
| 1058 | |
| 1059 | return 0; |
| 1060 | |
| 1061 | INIT_FAIL: |
| 1062 | if (us->extra) { |
| 1063 | kfree(chip->status); |
| 1064 | kfree(us->extra); |
| 1065 | us->extra = NULL; |
| 1066 | } |
| 1067 | |
| 1068 | return -EIO; |
| 1069 | } |
| 1070 | |
| 1071 | static int realtek_cr_probe(struct usb_interface *intf, |
edwin_rong | 151d9fad | 2011-06-17 19:35:09 +0800 | [diff] [blame] | 1072 | const struct usb_device_id *id) |
wwang | 50a6cb9 | 2011-01-14 16:53:34 +0800 | [diff] [blame] | 1073 | { |
| 1074 | struct us_data *us; |
| 1075 | int result; |
| 1076 | |
| 1077 | US_DEBUGP("Probe Realtek Card Reader!\n"); |
| 1078 | |
| 1079 | result = usb_stor_probe1(&us, intf, id, |
edwin_rong | 151d9fad | 2011-06-17 19:35:09 +0800 | [diff] [blame] | 1080 | (id - realtek_cr_ids) + |
| 1081 | realtek_cr_unusual_dev_list); |
wwang | 50a6cb9 | 2011-01-14 16:53:34 +0800 | [diff] [blame] | 1082 | if (result) |
| 1083 | return result; |
| 1084 | |
| 1085 | result = usb_stor_probe2(us); |
edwin_rong | 151d9fad | 2011-06-17 19:35:09 +0800 | [diff] [blame] | 1086 | |
wwang | 50a6cb9 | 2011-01-14 16:53:34 +0800 | [diff] [blame] | 1087 | return result; |
| 1088 | } |
| 1089 | |
| 1090 | static struct usb_driver realtek_cr_driver = { |
edwin_rong | 151d9fad | 2011-06-17 19:35:09 +0800 | [diff] [blame] | 1091 | .name = "ums-realtek", |
| 1092 | .probe = realtek_cr_probe, |
| 1093 | .disconnect = usb_stor_disconnect, |
edwin_rong | e931830 | 2011-06-17 19:35:11 +0800 | [diff] [blame] | 1094 | /* .suspend = usb_stor_suspend, */ |
| 1095 | /* .resume = usb_stor_resume, */ |
edwin_rong | 151d9fad | 2011-06-17 19:35:09 +0800 | [diff] [blame] | 1096 | .reset_resume = usb_stor_reset_resume, |
edwin_rong | e931830 | 2011-06-17 19:35:11 +0800 | [diff] [blame] | 1097 | .suspend = realtek_cr_suspend, |
| 1098 | .resume = realtek_cr_resume, |
edwin_rong | 151d9fad | 2011-06-17 19:35:09 +0800 | [diff] [blame] | 1099 | .pre_reset = usb_stor_pre_reset, |
| 1100 | .post_reset = usb_stor_post_reset, |
| 1101 | .id_table = realtek_cr_ids, |
| 1102 | .soft_unbind = 1, |
edwin_rong | e931830 | 2011-06-17 19:35:11 +0800 | [diff] [blame] | 1103 | .supports_autosuspend = 1, |
wwang | 50a6cb9 | 2011-01-14 16:53:34 +0800 | [diff] [blame] | 1104 | }; |
| 1105 | |
| 1106 | static int __init realtek_cr_init(void) |
| 1107 | { |
| 1108 | return usb_register(&realtek_cr_driver); |
| 1109 | } |
| 1110 | |
| 1111 | static void __exit realtek_cr_exit(void) |
| 1112 | { |
| 1113 | usb_deregister(&realtek_cr_driver); |
| 1114 | } |
| 1115 | |
| 1116 | module_init(realtek_cr_init); |
| 1117 | module_exit(realtek_cr_exit); |