Home Explore Help
Register Sign In
phyus
/
linux-vybrid_public
8
0
Fork 0
Files Issues 0 Pull Requests 0 Wiki
Tree: 09b6b51b0b
Branches Tags
linux-vybrid_pu...
/
drivers
/
usb
/
dwc3
/
debugfs.c

debugfs.c 14 KB
History Raw

123456789101112131415161718192021222324252627282930313233343536373839404142434445464748495051525354555657585960616263646566676869707172737475767778798081828384858687888990919293949596979899100101102103104105106107108109110111112113114115116117118119120121122123124125126127128129130131132133134135136137138139140141142143144145146147148149150151152153154155156157158159160161162163164165166167168169170171172173174175176177178179180181182183184185186187188189190191192193194195196197198199200201202203204205206207208209210211212213214215216217218219220221222223224225226227228229230231232233234235236237238239240241242243244245246247248249250251252253254255256257258259260261262263264265266267268269270271272273274275276277278279280281282283284285286287288289290291292293294295296297298299300301302303304305306307308309310311312313314315316317318319320321322323324325326327328329330331332333334335336337338339340341342343344345346347348349350351352353354355356357358359360361362363364365366367368369370371372373374375376377378379380381382383384385386387388389390391392393394395396397398399400401402403404405406407408409410411412413414415416417418419420421422423424425426427428429430431432433434435436437438439440441442443444445446447448449450451452453454455456457458459460461462463464465466467468469470471472473474475476477478479480481482483484485486487488489490491492493494495496497498499500501502503504505506507508 
  1. /**
    2. 

  2.  * debugfs.c - DesignWare USB3 DRD Controller DebugFS file
    3. 

  3.  *
    4. 

  4.  * Copyright (C) 2010-2011 Texas Instruments Incorporated - http://www.ti.com
    5. 

  5.  *
    6. 

  6.  * Authors: Felipe Balbi <balbi@ti.com>,
    7. 

  7.  *	    Sebastian Andrzej Siewior <bigeasy@linutronix.de>
    8. 

  8.  *
    9. 

  9.  * Redistribution and use in source and binary forms, with or without
    10. 

  10.  * modification, are permitted provided that the following conditions
    11. 

  11.  * are met:
    12. 

  12.  * 1. Redistributions of source code must retain the above copyright
    13. 

  13.  *    notice, this list of conditions, and the following disclaimer,
    14. 

  14.  *    without modification.
    15. 

  15.  * 2. Redistributions in binary form must reproduce the above copyright
    16. 

  16.  *    notice, this list of conditions and the following disclaimer in the
    17. 

  17.  *    documentation and/or other materials provided with the distribution.
    18. 

  18.  * 3. The names of the above-listed copyright holders may not be used
    19. 

  19.  *    to endorse or promote products derived from this software without
    20. 

  20.  *    specific prior written permission.
    21. 

  21.  *
    22. 

  22.  * ALTERNATIVELY, this software may be distributed under the terms of the
    23. 

  23.  * GNU General Public License ("GPL") version 2, as published by the Free
    24. 

  24.  * Software Foundation.
    25. 

  25.  *
    26. 

  26.  * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS
    27. 

  27.  * IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
    28. 

  28.  * THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
    29. 

  29.  * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR
    30. 

  30.  * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
    31. 

  31.  * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
    32. 

  32.  * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
    33. 

  33.  * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
    34. 

  34.  * LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
    35. 

  35.  * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
    36. 

  36.  * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
    37. 

  37.  */
    38. 

  38. 

  39. #include <linux/kernel.h>
    40. 

  40. #include <linux/slab.h>
    41. 

  41. #include <linux/ptrace.h>
    42. 

  42. #include <linux/types.h>
    43. 

  43. #include <linux/spinlock.h>
    44. 

  44. #include <linux/debugfs.h>
    45. 

  45. #include <linux/seq_file.h>
    46. 

  46. #include <linux/delay.h>
    47. 

  47. #include <linux/uaccess.h>
    48. 

  48. 

  49. #include "core.h"
    50. 

  50. #include "gadget.h"
    51. 

  51. #include "io.h"
    52. 

  52. #include "debug.h"
    53. 

  53. 

  54. #define dump_register(nm)				\
    55. 

  55. {							\
    56. 

  56. 	.name	= __stringify(nm),			\
    57. 

  57. 	.offset	= DWC3_ ##nm,				\
    58. 

  58. }
    59. 

  59. 

  60. static const struct debugfs_reg32 dwc3_regs[] = {
    61. 

  61. 	dump_register(GSBUSCFG0),
    62. 

  62. 	dump_register(GSBUSCFG1),
    63. 

  63. 	dump_register(GTXTHRCFG),
    64. 

  64. 	dump_register(GRXTHRCFG),
    65. 

  65. 	dump_register(GCTL),
    66. 

  66. 	dump_register(GEVTEN),
    67. 

  67. 	dump_register(GSTS),
    68. 

  68. 	dump_register(GSNPSID),
    69. 

  69. 	dump_register(GGPIO),
    70. 

  70. 	dump_register(GUID),
    71. 

  71. 	dump_register(GUCTL),
    72. 

  72. 	dump_register(GBUSERRADDR0),
    73. 

  73. 	dump_register(GBUSERRADDR1),
    74. 

  74. 	dump_register(GPRTBIMAP0),
    75. 

  75. 	dump_register(GPRTBIMAP1),
    76. 

  76. 	dump_register(GHWPARAMS0),
    77. 

  77. 	dump_register(GHWPARAMS1),
    78. 

  78. 	dump_register(GHWPARAMS2),
    79. 

  79. 	dump_register(GHWPARAMS3),
    80. 

  80. 	dump_register(GHWPARAMS4),
    81. 

  81. 	dump_register(GHWPARAMS5),
    82. 

  82. 	dump_register(GHWPARAMS6),
    83. 

  83. 	dump_register(GHWPARAMS7),
    84. 

  84. 	dump_register(GDBGFIFOSPACE),
    85. 

  85. 	dump_register(GDBGLTSSM),
    86. 

  86. 	dump_register(GPRTBIMAP_HS0),
    87. 

  87. 	dump_register(GPRTBIMAP_HS1),
    88. 

  88. 	dump_register(GPRTBIMAP_FS0),
    89. 

  89. 	dump_register(GPRTBIMAP_FS1),
    90. 

  90. 

  91. 	dump_register(GUSB2PHYCFG(0)),
    92. 

  92. 	dump_register(GUSB2PHYCFG(1)),
    93. 

  93. 	dump_register(GUSB2PHYCFG(2)),
    94. 

  94. 	dump_register(GUSB2PHYCFG(3)),
    95. 

  95. 	dump_register(GUSB2PHYCFG(4)),
    96. 

  96. 	dump_register(GUSB2PHYCFG(5)),
    97. 

  97. 	dump_register(GUSB2PHYCFG(6)),
    98. 

  98. 	dump_register(GUSB2PHYCFG(7)),
    99. 

  99. 	dump_register(GUSB2PHYCFG(8)),
    100. 

  100. 	dump_register(GUSB2PHYCFG(9)),
    101. 

  101. 	dump_register(GUSB2PHYCFG(10)),
    102. 

  102. 	dump_register(GUSB2PHYCFG(11)),
    103. 

  103. 	dump_register(GUSB2PHYCFG(12)),
    104. 

  104. 	dump_register(GUSB2PHYCFG(13)),
    105. 

  105. 	dump_register(GUSB2PHYCFG(14)),
    106. 

  106. 	dump_register(GUSB2PHYCFG(15)),
    107. 

  107. 

  108. 	dump_register(GUSB2I2CCTL(0)),
    109. 

  109. 	dump_register(GUSB2I2CCTL(1)),
    110. 

  110. 	dump_register(GUSB2I2CCTL(2)),
    111. 

  111. 	dump_register(GUSB2I2CCTL(3)),
    112. 

  112. 	dump_register(GUSB2I2CCTL(4)),
    113. 

  113. 	dump_register(GUSB2I2CCTL(5)),
    114. 

  114. 	dump_register(GUSB2I2CCTL(6)),
    115. 

  115. 	dump_register(GUSB2I2CCTL(7)),
    116. 

  116. 	dump_register(GUSB2I2CCTL(8)),
    117. 

  117. 	dump_register(GUSB2I2CCTL(9)),
    118. 

  118. 	dump_register(GUSB2I2CCTL(10)),
    119. 

  119. 	dump_register(GUSB2I2CCTL(11)),
    120. 

  120. 	dump_register(GUSB2I2CCTL(12)),
    121. 

  121. 	dump_register(GUSB2I2CCTL(13)),
    122. 

  122. 	dump_register(GUSB2I2CCTL(14)),
    123. 

  123. 	dump_register(GUSB2I2CCTL(15)),
    124. 

  124. 

  125. 	dump_register(GUSB2PHYACC(0)),
    126. 

  126. 	dump_register(GUSB2PHYACC(1)),
    127. 

  127. 	dump_register(GUSB2PHYACC(2)),
    128. 

  128. 	dump_register(GUSB2PHYACC(3)),
    129. 

  129. 	dump_register(GUSB2PHYACC(4)),
    130. 

  130. 	dump_register(GUSB2PHYACC(5)),
    131. 

  131. 	dump_register(GUSB2PHYACC(6)),
    132. 

  132. 	dump_register(GUSB2PHYACC(7)),
    133. 

  133. 	dump_register(GUSB2PHYACC(8)),
    134. 

  134. 	dump_register(GUSB2PHYACC(9)),
    135. 

  135. 	dump_register(GUSB2PHYACC(10)),
    136. 

  136. 	dump_register(GUSB2PHYACC(11)),
    137. 

  137. 	dump_register(GUSB2PHYACC(12)),
    138. 

  138. 	dump_register(GUSB2PHYACC(13)),
    139. 

  139. 	dump_register(GUSB2PHYACC(14)),
    140. 

  140. 	dump_register(GUSB2PHYACC(15)),
    141. 

  141. 

  142. 	dump_register(GUSB3PIPECTL(0)),
    143. 

  143. 	dump_register(GUSB3PIPECTL(1)),
    144. 

  144. 	dump_register(GUSB3PIPECTL(2)),
    145. 

  145. 	dump_register(GUSB3PIPECTL(3)),
    146. 

  146. 	dump_register(GUSB3PIPECTL(4)),
    147. 

  147. 	dump_register(GUSB3PIPECTL(5)),
    148. 

  148. 	dump_register(GUSB3PIPECTL(6)),
    149. 

  149. 	dump_register(GUSB3PIPECTL(7)),
    150. 

  150. 	dump_register(GUSB3PIPECTL(8)),
    151. 

  151. 	dump_register(GUSB3PIPECTL(9)),
    152. 

  152. 	dump_register(GUSB3PIPECTL(10)),
    153. 

  153. 	dump_register(GUSB3PIPECTL(11)),
    154. 

  154. 	dump_register(GUSB3PIPECTL(12)),
    155. 

  155. 	dump_register(GUSB3PIPECTL(13)),
    156. 

  156. 	dump_register(GUSB3PIPECTL(14)),
    157. 

  157. 	dump_register(GUSB3PIPECTL(15)),
    158. 

  158. 

  159. 	dump_register(GTXFIFOSIZ(0)),
    160. 

  160. 	dump_register(GTXFIFOSIZ(1)),
    161. 

  161. 	dump_register(GTXFIFOSIZ(2)),
    162. 

  162. 	dump_register(GTXFIFOSIZ(3)),
    163. 

  163. 	dump_register(GTXFIFOSIZ(4)),
    164. 

  164. 	dump_register(GTXFIFOSIZ(5)),
    165. 

  165. 	dump_register(GTXFIFOSIZ(6)),
    166. 

  166. 	dump_register(GTXFIFOSIZ(7)),
    167. 

  167. 	dump_register(GTXFIFOSIZ(8)),
    168. 

  168. 	dump_register(GTXFIFOSIZ(9)),
    169. 

  169. 	dump_register(GTXFIFOSIZ(10)),
    170. 

  170. 	dump_register(GTXFIFOSIZ(11)),
    171. 

  171. 	dump_register(GTXFIFOSIZ(12)),
    172. 

  172. 	dump_register(GTXFIFOSIZ(13)),
    173. 

  173. 	dump_register(GTXFIFOSIZ(14)),
    174. 

  174. 	dump_register(GTXFIFOSIZ(15)),
    175. 

  175. 	dump_register(GTXFIFOSIZ(16)),
    176. 

  176. 	dump_register(GTXFIFOSIZ(17)),
    177. 

  177. 	dump_register(GTXFIFOSIZ(18)),
    178. 

  178. 	dump_register(GTXFIFOSIZ(19)),
    179. 

  179. 	dump_register(GTXFIFOSIZ(20)),
    180. 

  180. 	dump_register(GTXFIFOSIZ(21)),
    181. 

  181. 	dump_register(GTXFIFOSIZ(22)),
    182. 

  182. 	dump_register(GTXFIFOSIZ(23)),
    183. 

  183. 	dump_register(GTXFIFOSIZ(24)),
    184. 

  184. 	dump_register(GTXFIFOSIZ(25)),
    185. 

  185. 	dump_register(GTXFIFOSIZ(26)),
    186. 

  186. 	dump_register(GTXFIFOSIZ(27)),
    187. 

  187. 	dump_register(GTXFIFOSIZ(28)),
    188. 

  188. 	dump_register(GTXFIFOSIZ(29)),
    189. 

  189. 	dump_register(GTXFIFOSIZ(30)),
    190. 

  190. 	dump_register(GTXFIFOSIZ(31)),
    191. 

  191. 

  192. 	dump_register(GRXFIFOSIZ(0)),
    193. 

  193. 	dump_register(GRXFIFOSIZ(1)),
    194. 

  194. 	dump_register(GRXFIFOSIZ(2)),
    195. 

  195. 	dump_register(GRXFIFOSIZ(3)),
    196. 

  196. 	dump_register(GRXFIFOSIZ(4)),
    197. 

  197. 	dump_register(GRXFIFOSIZ(5)),
    198. 

  198. 	dump_register(GRXFIFOSIZ(6)),
    199. 

  199. 	dump_register(GRXFIFOSIZ(7)),
    200. 

  200. 	dump_register(GRXFIFOSIZ(8)),
    201. 

  201. 	dump_register(GRXFIFOSIZ(9)),
    202. 

  202. 	dump_register(GRXFIFOSIZ(10)),
    203. 

  203. 	dump_register(GRXFIFOSIZ(11)),
    204. 

  204. 	dump_register(GRXFIFOSIZ(12)),
    205. 

  205. 	dump_register(GRXFIFOSIZ(13)),
    206. 

  206. 	dump_register(GRXFIFOSIZ(14)),
    207. 

  207. 	dump_register(GRXFIFOSIZ(15)),
    208. 

  208. 	dump_register(GRXFIFOSIZ(16)),
    209. 

  209. 	dump_register(GRXFIFOSIZ(17)),
    210. 

  210. 	dump_register(GRXFIFOSIZ(18)),
    211. 

  211. 	dump_register(GRXFIFOSIZ(19)),
    212. 

  212. 	dump_register(GRXFIFOSIZ(20)),
    213. 

  213. 	dump_register(GRXFIFOSIZ(21)),
    214. 

  214. 	dump_register(GRXFIFOSIZ(22)),
    215. 

  215. 	dump_register(GRXFIFOSIZ(23)),
    216. 

  216. 	dump_register(GRXFIFOSIZ(24)),
    217. 

  217. 	dump_register(GRXFIFOSIZ(25)),
    218. 

  218. 	dump_register(GRXFIFOSIZ(26)),
    219. 

  219. 	dump_register(GRXFIFOSIZ(27)),
    220. 

  220. 	dump_register(GRXFIFOSIZ(28)),
    221. 

  221. 	dump_register(GRXFIFOSIZ(29)),
    222. 

  222. 	dump_register(GRXFIFOSIZ(30)),
    223. 

  223. 	dump_register(GRXFIFOSIZ(31)),
    224. 

  224. 

  225. 	dump_register(GEVNTADRLO(0)),
    226. 

  226. 	dump_register(GEVNTADRHI(0)),
    227. 

  227. 	dump_register(GEVNTSIZ(0)),
    228. 

  228. 	dump_register(GEVNTCOUNT(0)),
    229. 

  229. 

  230. 	dump_register(GHWPARAMS8),
    231. 

  231. 	dump_register(DCFG),
    232. 

  232. 	dump_register(DCTL),
    233. 

  233. 	dump_register(DEVTEN),
    234. 

  234. 	dump_register(DSTS),
    235. 

  235. 	dump_register(DGCMDPAR),
    236. 

  236. 	dump_register(DGCMD),
    237. 

  237. 	dump_register(DALEPENA),
    238. 

  238. 

  239. 	dump_register(DEPCMDPAR2(0)),
    240. 

  240. 	dump_register(DEPCMDPAR2(1)),
    241. 

  241. 	dump_register(DEPCMDPAR2(2)),
    242. 

  242. 	dump_register(DEPCMDPAR2(3)),
    243. 

  243. 	dump_register(DEPCMDPAR2(4)),
    244. 

  244. 	dump_register(DEPCMDPAR2(5)),
    245. 

  245. 	dump_register(DEPCMDPAR2(6)),
    246. 

  246. 	dump_register(DEPCMDPAR2(7)),
    247. 

  247. 	dump_register(DEPCMDPAR2(8)),
    248. 

  248. 	dump_register(DEPCMDPAR2(9)),
    249. 

  249. 	dump_register(DEPCMDPAR2(10)),
    250. 

  250. 	dump_register(DEPCMDPAR2(11)),
    251. 

  251. 	dump_register(DEPCMDPAR2(12)),
    252. 

  252. 	dump_register(DEPCMDPAR2(13)),
    253. 

  253. 	dump_register(DEPCMDPAR2(14)),
    254. 

  254. 	dump_register(DEPCMDPAR2(15)),
    255. 

  255. 	dump_register(DEPCMDPAR2(16)),
    256. 

  256. 	dump_register(DEPCMDPAR2(17)),
    257. 

  257. 	dump_register(DEPCMDPAR2(18)),
    258. 

  258. 	dump_register(DEPCMDPAR2(19)),
    259. 

  259. 	dump_register(DEPCMDPAR2(20)),
    260. 

  260. 	dump_register(DEPCMDPAR2(21)),
    261. 

  261. 	dump_register(DEPCMDPAR2(22)),
    262. 

  262. 	dump_register(DEPCMDPAR2(23)),
    263. 

  263. 	dump_register(DEPCMDPAR2(24)),
    264. 

  264. 	dump_register(DEPCMDPAR2(25)),
    265. 

  265. 	dump_register(DEPCMDPAR2(26)),
    266. 

  266. 	dump_register(DEPCMDPAR2(27)),
    267. 

  267. 	dump_register(DEPCMDPAR2(28)),
    268. 

  268. 	dump_register(DEPCMDPAR2(29)),
    269. 

  269. 	dump_register(DEPCMDPAR2(30)),
    270. 

  270. 	dump_register(DEPCMDPAR2(31)),
    271. 

  271. 

  272. 	dump_register(DEPCMDPAR1(0)),
    273. 

  273. 	dump_register(DEPCMDPAR1(1)),
    274. 

  274. 	dump_register(DEPCMDPAR1(2)),
    275. 

  275. 	dump_register(DEPCMDPAR1(3)),
    276. 

  276. 	dump_register(DEPCMDPAR1(4)),
    277. 

  277. 	dump_register(DEPCMDPAR1(5)),
    278. 

  278. 	dump_register(DEPCMDPAR1(6)),
    279. 

  279. 	dump_register(DEPCMDPAR1(7)),
    280. 

  280. 	dump_register(DEPCMDPAR1(8)),
    281. 

  281. 	dump_register(DEPCMDPAR1(9)),
    282. 

  282. 	dump_register(DEPCMDPAR1(10)),
    283. 

  283. 	dump_register(DEPCMDPAR1(11)),
    284. 

  284. 	dump_register(DEPCMDPAR1(12)),
    285. 

  285. 	dump_register(DEPCMDPAR1(13)),
    286. 

  286. 	dump_register(DEPCMDPAR1(14)),
    287. 

  287. 	dump_register(DEPCMDPAR1(15)),
    288. 

  288. 	dump_register(DEPCMDPAR1(16)),
    289. 

  289. 	dump_register(DEPCMDPAR1(17)),
    290. 

  290. 	dump_register(DEPCMDPAR1(18)),
    291. 

  291. 	dump_register(DEPCMDPAR1(19)),
    292. 

  292. 	dump_register(DEPCMDPAR1(20)),
    293. 

  293. 	dump_register(DEPCMDPAR1(21)),
    294. 

  294. 	dump_register(DEPCMDPAR1(22)),
    295. 

  295. 	dump_register(DEPCMDPAR1(23)),
    296. 

  296. 	dump_register(DEPCMDPAR1(24)),
    297. 

  297. 	dump_register(DEPCMDPAR1(25)),
    298. 

  298. 	dump_register(DEPCMDPAR1(26)),
    299. 

  299. 	dump_register(DEPCMDPAR1(27)),
    300. 

  300. 	dump_register(DEPCMDPAR1(28)),
    301. 

  301. 	dump_register(DEPCMDPAR1(29)),
    302. 

  302. 	dump_register(DEPCMDPAR1(30)),
    303. 

  303. 	dump_register(DEPCMDPAR1(31)),
    304. 

  304. 

  305. 	dump_register(DEPCMDPAR0(0)),
    306. 

  306. 	dump_register(DEPCMDPAR0(1)),
    307. 

  307. 	dump_register(DEPCMDPAR0(2)),
    308. 

  308. 	dump_register(DEPCMDPAR0(3)),
    309. 

  309. 	dump_register(DEPCMDPAR0(4)),
    310. 

  310. 	dump_register(DEPCMDPAR0(5)),
    311. 

  311. 	dump_register(DEPCMDPAR0(6)),
    312. 

  312. 	dump_register(DEPCMDPAR0(7)),
    313. 

  313. 	dump_register(DEPCMDPAR0(8)),
    314. 

  314. 	dump_register(DEPCMDPAR0(9)),
    315. 

  315. 	dump_register(DEPCMDPAR0(10)),
    316. 

  316. 	dump_register(DEPCMDPAR0(11)),
    317. 

  317. 	dump_register(DEPCMDPAR0(12)),
    318. 

  318. 	dump_register(DEPCMDPAR0(13)),
    319. 

  319. 	dump_register(DEPCMDPAR0(14)),
    320. 

  320. 	dump_register(DEPCMDPAR0(15)),
    321. 

  321. 	dump_register(DEPCMDPAR0(16)),
    322. 

  322. 	dump_register(DEPCMDPAR0(17)),
    323. 

  323. 	dump_register(DEPCMDPAR0(18)),
    324. 

  324. 	dump_register(DEPCMDPAR0(19)),
    325. 

  325. 	dump_register(DEPCMDPAR0(20)),
    326. 

  326. 	dump_register(DEPCMDPAR0(21)),
    327. 

  327. 	dump_register(DEPCMDPAR0(22)),
    328. 

  328. 	dump_register(DEPCMDPAR0(23)),
    329. 

  329. 	dump_register(DEPCMDPAR0(24)),
    330. 

  330. 	dump_register(DEPCMDPAR0(25)),
    331. 

  331. 	dump_register(DEPCMDPAR0(26)),
    332. 

  332. 	dump_register(DEPCMDPAR0(27)),
    333. 

  333. 	dump_register(DEPCMDPAR0(28)),
    334. 

  334. 	dump_register(DEPCMDPAR0(29)),
    335. 

  335. 	dump_register(DEPCMDPAR0(30)),
    336. 

  336. 	dump_register(DEPCMDPAR0(31)),
    337. 

  337. 

  338. 	dump_register(DEPCMD(0)),
    339. 

  339. 	dump_register(DEPCMD(1)),
    340. 

  340. 	dump_register(DEPCMD(2)),
    341. 

  341. 	dump_register(DEPCMD(3)),
    342. 

  342. 	dump_register(DEPCMD(4)),
    343. 

  343. 	dump_register(DEPCMD(5)),
    344. 

  344. 	dump_register(DEPCMD(6)),
    345. 

  345. 	dump_register(DEPCMD(7)),
    346. 

  346. 	dump_register(DEPCMD(8)),
    347. 

  347. 	dump_register(DEPCMD(9)),
    348. 

  348. 	dump_register(DEPCMD(10)),
    349. 

  349. 	dump_register(DEPCMD(11)),
    350. 

  350. 	dump_register(DEPCMD(12)),
    351. 

  351. 	dump_register(DEPCMD(13)),
    352. 

  352. 	dump_register(DEPCMD(14)),
    353. 

  353. 	dump_register(DEPCMD(15)),
    354. 

  354. 	dump_register(DEPCMD(16)),
    355. 

  355. 	dump_register(DEPCMD(17)),
    356. 

  356. 	dump_register(DEPCMD(18)),
    357. 

  357. 	dump_register(DEPCMD(19)),
    358. 

  358. 	dump_register(DEPCMD(20)),
    359. 

  359. 	dump_register(DEPCMD(21)),
    360. 

  360. 	dump_register(DEPCMD(22)),
    361. 

  361. 	dump_register(DEPCMD(23)),
    362. 

  362. 	dump_register(DEPCMD(24)),
    363. 

  363. 	dump_register(DEPCMD(25)),
    364. 

  364. 	dump_register(DEPCMD(26)),
    365. 

  365. 	dump_register(DEPCMD(27)),
    366. 

  366. 	dump_register(DEPCMD(28)),
    367. 

  367. 	dump_register(DEPCMD(29)),
    368. 

  368. 	dump_register(DEPCMD(30)),
    369. 

  369. 	dump_register(DEPCMD(31)),
    370. 

  370. 

  371. 	dump_register(OCFG),
    372. 

  372. 	dump_register(OCTL),
    373. 

  373. 	dump_register(OEVTEN),
    374. 

  374. 	dump_register(OSTS),
    375. 

  375. };
    376. 

  376. 

  377. static int dwc3_regdump_show(struct seq_file *s, void *unused)
    378. 

  378. {
    379. 

  379. 	struct dwc3		*dwc = s->private;
    380. 

  380. 

  381. 	seq_printf(s, "DesignWare USB3 Core Register Dump\n");
    382. 

  382. 	debugfs_print_regs32(s, dwc3_regs, ARRAY_SIZE(dwc3_regs),
    383. 

  383. 			     dwc->regs, "");
    384. 

  384. 	return 0;
    385. 

  385. }
    386. 

  386. 

  387. static int dwc3_regdump_open(struct inode *inode, struct file *file)
    388. 

  388. {
    389. 

  389. 	return single_open(file, dwc3_regdump_show, inode->i_private);
    390. 

  390. }
    391. 

  391. 

  392. static const struct file_operations dwc3_regdump_fops = {
    393. 

  393. 	.open			= dwc3_regdump_open,
    394. 

  394. 	.read			= seq_read,
    395. 

  395. 	.release		= single_release,
    396. 

  396. };
    397. 

  397. 

  398. static int dwc3_mode_show(struct seq_file *s, void *unused)
    399. 

  399. {
    400. 

  400. 	struct dwc3		*dwc = s->private;
    401. 

  401. 	unsigned long		flags;
    402. 

  402. 	u32			reg;
    403. 

  403. 

  404. 	spin_lock_irqsave(&dwc->lock, flags);
    405. 

  405. 	reg = dwc3_readl(dwc->regs, DWC3_GCTL);
    406. 

  406. 	spin_unlock_irqrestore(&dwc->lock, flags);
    407. 

  407. 

  408. 	switch (DWC3_GCTL_PRTCAP(reg)) {
    409. 

  409. 	case DWC3_GCTL_PRTCAP_HOST:
    410. 

  410. 		seq_printf(s, "host\n");
    411. 

  411. 		break;
    412. 

  412. 	case DWC3_GCTL_PRTCAP_DEVICE:
    413. 

  413. 		seq_printf(s, "device\n");
    414. 

  414. 		break;
    415. 

  415. 	case DWC3_GCTL_PRTCAP_OTG:
    416. 

  416. 		seq_printf(s, "OTG\n");
    417. 

  417. 		break;
    418. 

  418. 	default:
    419. 

  419. 		seq_printf(s, "UNKNOWN %08x\n", DWC3_GCTL_PRTCAP(reg));
    420. 

  420. 	}
    421. 

  421. 

  422. 	return 0;
    423. 

  423. }
    424. 

  424. 

  425. static int dwc3_mode_open(struct inode *inode, struct file *file)
    426. 

  426. {
    427. 

  427. 	return single_open(file, dwc3_mode_show, inode->i_private);
    428. 

  428. }
    429. 

  429. 

  430. static ssize_t dwc3_mode_write(struct file *file,
    431. 

  431. 		const char __user *ubuf, size_t count, loff_t *ppos)
    432. 

  432. {
    433. 

  433. 	struct seq_file		*s = file->private_data;
    434. 

  434. 	struct dwc3		*dwc = s->private;
    435. 

  435. 	unsigned long		flags;
    436. 

  436. 	u32			mode = 0;
    437. 

  437. 	char			buf[32];
    438. 

  438. 

  439. 	if (copy_from_user(&buf, ubuf, min_t(size_t, sizeof(buf) - 1, count)))
    440. 

  440. 		return -EFAULT;
    441. 

  441. 

  442. 	if (!strncmp(buf, "host", 4))
    443. 

  443. 		mode |= DWC3_GCTL_PRTCAP_HOST;
    444. 

  444. 

  445. 	if (!strncmp(buf, "device", 6))
    446. 

  446. 		mode |= DWC3_GCTL_PRTCAP_DEVICE;
    447. 

  447. 

  448. 	if (!strncmp(buf, "otg", 3))
    449. 

  449. 		mode |= DWC3_GCTL_PRTCAP_OTG;
    450. 

  450. 

  451. 	if (mode) {
    452. 

  452. 		spin_lock_irqsave(&dwc->lock, flags);
    453. 

  453. 		dwc3_set_mode(dwc, mode);
    454. 

  454. 		spin_unlock_irqrestore(&dwc->lock, flags);
    455. 

  455. 	}
    456. 

  456. 	return count;
    457. 

  457. }
    458. 

  458. 

  459. static const struct file_operations dwc3_mode_fops = {
    460. 

  460. 	.open			= dwc3_mode_open,
    461. 

  461. 	.write			= dwc3_mode_write,
    462. 

  462. 	.read			= seq_read,
    463. 

  463. 	.llseek			= seq_lseek,
    464. 

  464. 	.release		= single_release,
    465. 

  465. };
    466. 

  466. 

  467. int __devinit dwc3_debugfs_init(struct dwc3 *dwc)
    468. 

  468. {
    469. 

  469. 	struct dentry		*root;
    470. 

  470. 	struct dentry		*file;
    471. 

  471. 	int			ret;
    472. 

  472. 

  473. 	root = debugfs_create_dir(dev_name(dwc->dev), NULL);
    474. 

  474. 	if (IS_ERR(root)) {
    475. 

  475. 		ret = PTR_ERR(root);
    476. 

  476. 		goto err0;
    477. 

  477. 	}
    478. 

  478. 

  479. 	dwc->root = root;
    480. 

  480. 

  481. 	file = debugfs_create_file("regdump", S_IRUGO, root, dwc,
    482. 

  482. 			&dwc3_regdump_fops);
    483. 

  483. 	if (IS_ERR(file)) {
    484. 

  484. 		ret = PTR_ERR(file);
    485. 

  485. 		goto err1;
    486. 

  486. 	}
    487. 

  487. 

  488. 	file = debugfs_create_file("mode", S_IRUGO | S_IWUSR, root,
    489. 

  489. 			dwc, &dwc3_mode_fops);
    490. 

  490. 	if (IS_ERR(file)) {
    491. 

  491. 		ret = PTR_ERR(file);
    492. 

  492. 		goto err1;
    493. 

  493. 	}
    494. 

  494. 

  495. 	return 0;
    496. 

  496. 

  497. err1:
    498. 

  498. 	debugfs_remove_recursive(root);
    499. 

  499. 

  500. err0:
    501. 

  501. 	return ret;
    502. 

  502. }
    503. 

  503. 

  504. void __devexit dwc3_debugfs_exit(struct dwc3 *dwc)
    505. 

  505. {
    506. 

  506. 	debugfs_remove_recursive(dwc->root);
    507. 

  507. 	dwc->root = NULL;
    508. 

  508. }
    509.