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drivers
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usb
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dwc3
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debugfs.c

debugfs.c 15 KB
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  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.  * All rights reserved.
    6. 

  6.  *
    7. 

  7.  * Authors: Felipe Balbi <balbi@ti.com>,
    8. 

  8.  *	    Sebastian Andrzej Siewior <bigeasy@linutronix.de>
    9. 

  9.  *
    10. 

  10.  * Redistribution and use in source and binary forms, with or without
    11. 

  11.  * modification, are permitted provided that the following conditions
    12. 

  12.  * are met:
    13. 

  13.  * 1. Redistributions of source code must retain the above copyright
    14. 

  14.  *    notice, this list of conditions, and the following disclaimer,
    15. 

  15.  *    without modification.
    16. 

  16.  * 2. Redistributions in binary form must reproduce the above copyright
    17. 

  17.  *    notice, this list of conditions and the following disclaimer in the
    18. 

  18.  *    documentation and/or other materials provided with the distribution.
    19. 

  19.  * 3. The names of the above-listed copyright holders may not be used
    20. 

  20.  *    to endorse or promote products derived from this software without
    21. 

  21.  *    specific prior written permission.
    22. 

  22.  *
    23. 

  23.  * ALTERNATIVELY, this software may be distributed under the terms of the
    24. 

  24.  * GNU General Public License ("GPL") version 2, as published by the Free
    25. 

  25.  * Software Foundation.
    26. 

  26.  *
    27. 

  27.  * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS
    28. 

  28.  * IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
    29. 

  29.  * THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
    30. 

  30.  * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR
    31. 

  31.  * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
    32. 

  32.  * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
    33. 

  33.  * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
    34. 

  34.  * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
    35. 

  35.  * LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
    36. 

  36.  * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
    37. 

  37.  * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
    38. 

  38.  */
    39. 

  39. 

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

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

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

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

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

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

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

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

  48. 

  49. #include <asm/uaccess.h>
    50. 

  50. 

  51. #include "core.h"
    52. 

  52. #include "gadget.h"
    53. 

  53. #include "io.h"
    54. 

  54. 

  55. struct dwc3_register {
    56. 

  56. 	const char	*name;
    57. 

  57. 	u32		offset;
    58. 

  58. };
    59. 

  59. 

  60. #define dump_register(nm)				\
    61. 

  61. {							\
    62. 

  62. 	.name	= __stringify(nm),			\
    63. 

  63. 	.offset	= DWC3_ ##nm,				\
    64. 

  64. }
    65. 

  65. 

  66. static const struct dwc3_register dwc3_regs[] = {
    67. 

  67. 	dump_register(GSBUSCFG0),
    68. 

  68. 	dump_register(GSBUSCFG1),
    69. 

  69. 	dump_register(GTXTHRCFG),
    70. 

  70. 	dump_register(GRXTHRCFG),
    71. 

  71. 	dump_register(GCTL),
    72. 

  72. 	dump_register(GEVTEN),
    73. 

  73. 	dump_register(GSTS),
    74. 

  74. 	dump_register(GSNPSID),
    75. 

  75. 	dump_register(GGPIO),
    76. 

  76. 	dump_register(GUID),
    77. 

  77. 	dump_register(GUCTL),
    78. 

  78. 	dump_register(GBUSERRADDR0),
    79. 

  79. 	dump_register(GBUSERRADDR1),
    80. 

  80. 	dump_register(GPRTBIMAP0),
    81. 

  81. 	dump_register(GPRTBIMAP1),
    82. 

  82. 	dump_register(GHWPARAMS0),
    83. 

  83. 	dump_register(GHWPARAMS1),
    84. 

  84. 	dump_register(GHWPARAMS2),
    85. 

  85. 	dump_register(GHWPARAMS3),
    86. 

  86. 	dump_register(GHWPARAMS4),
    87. 

  87. 	dump_register(GHWPARAMS5),
    88. 

  88. 	dump_register(GHWPARAMS6),
    89. 

  89. 	dump_register(GHWPARAMS7),
    90. 

  90. 	dump_register(GDBGFIFOSPACE),
    91. 

  91. 	dump_register(GDBGLTSSM),
    92. 

  92. 	dump_register(GPRTBIMAP_HS0),
    93. 

  93. 	dump_register(GPRTBIMAP_HS1),
    94. 

  94. 	dump_register(GPRTBIMAP_FS0),
    95. 

  95. 	dump_register(GPRTBIMAP_FS1),
    96. 

  96. 

  97. 	dump_register(GUSB2PHYCFG(0)),
    98. 

  98. 	dump_register(GUSB2PHYCFG(1)),
    99. 

  99. 	dump_register(GUSB2PHYCFG(2)),
    100. 

  100. 	dump_register(GUSB2PHYCFG(3)),
    101. 

  101. 	dump_register(GUSB2PHYCFG(4)),
    102. 

  102. 	dump_register(GUSB2PHYCFG(5)),
    103. 

  103. 	dump_register(GUSB2PHYCFG(6)),
    104. 

  104. 	dump_register(GUSB2PHYCFG(7)),
    105. 

  105. 	dump_register(GUSB2PHYCFG(8)),
    106. 

  106. 	dump_register(GUSB2PHYCFG(9)),
    107. 

  107. 	dump_register(GUSB2PHYCFG(10)),
    108. 

  108. 	dump_register(GUSB2PHYCFG(11)),
    109. 

  109. 	dump_register(GUSB2PHYCFG(12)),
    110. 

  110. 	dump_register(GUSB2PHYCFG(13)),
    111. 

  111. 	dump_register(GUSB2PHYCFG(14)),
    112. 

  112. 	dump_register(GUSB2PHYCFG(15)),
    113. 

  113. 

  114. 	dump_register(GUSB2I2CCTL(0)),
    115. 

  115. 	dump_register(GUSB2I2CCTL(1)),
    116. 

  116. 	dump_register(GUSB2I2CCTL(2)),
    117. 

  117. 	dump_register(GUSB2I2CCTL(3)),
    118. 

  118. 	dump_register(GUSB2I2CCTL(4)),
    119. 

  119. 	dump_register(GUSB2I2CCTL(5)),
    120. 

  120. 	dump_register(GUSB2I2CCTL(6)),
    121. 

  121. 	dump_register(GUSB2I2CCTL(7)),
    122. 

  122. 	dump_register(GUSB2I2CCTL(8)),
    123. 

  123. 	dump_register(GUSB2I2CCTL(9)),
    124. 

  124. 	dump_register(GUSB2I2CCTL(10)),
    125. 

  125. 	dump_register(GUSB2I2CCTL(11)),
    126. 

  126. 	dump_register(GUSB2I2CCTL(12)),
    127. 

  127. 	dump_register(GUSB2I2CCTL(13)),
    128. 

  128. 	dump_register(GUSB2I2CCTL(14)),
    129. 

  129. 	dump_register(GUSB2I2CCTL(15)),
    130. 

  130. 

  131. 	dump_register(GUSB2PHYACC(0)),
    132. 

  132. 	dump_register(GUSB2PHYACC(1)),
    133. 

  133. 	dump_register(GUSB2PHYACC(2)),
    134. 

  134. 	dump_register(GUSB2PHYACC(3)),
    135. 

  135. 	dump_register(GUSB2PHYACC(4)),
    136. 

  136. 	dump_register(GUSB2PHYACC(5)),
    137. 

  137. 	dump_register(GUSB2PHYACC(6)),
    138. 

  138. 	dump_register(GUSB2PHYACC(7)),
    139. 

  139. 	dump_register(GUSB2PHYACC(8)),
    140. 

  140. 	dump_register(GUSB2PHYACC(9)),
    141. 

  141. 	dump_register(GUSB2PHYACC(10)),
    142. 

  142. 	dump_register(GUSB2PHYACC(11)),
    143. 

  143. 	dump_register(GUSB2PHYACC(12)),
    144. 

  144. 	dump_register(GUSB2PHYACC(13)),
    145. 

  145. 	dump_register(GUSB2PHYACC(14)),
    146. 

  146. 	dump_register(GUSB2PHYACC(15)),
    147. 

  147. 

  148. 	dump_register(GUSB3PIPECTL(0)),
    149. 

  149. 	dump_register(GUSB3PIPECTL(1)),
    150. 

  150. 	dump_register(GUSB3PIPECTL(2)),
    151. 

  151. 	dump_register(GUSB3PIPECTL(3)),
    152. 

  152. 	dump_register(GUSB3PIPECTL(4)),
    153. 

  153. 	dump_register(GUSB3PIPECTL(5)),
    154. 

  154. 	dump_register(GUSB3PIPECTL(6)),
    155. 

  155. 	dump_register(GUSB3PIPECTL(7)),
    156. 

  156. 	dump_register(GUSB3PIPECTL(8)),
    157. 

  157. 	dump_register(GUSB3PIPECTL(9)),
    158. 

  158. 	dump_register(GUSB3PIPECTL(10)),
    159. 

  159. 	dump_register(GUSB3PIPECTL(11)),
    160. 

  160. 	dump_register(GUSB3PIPECTL(12)),
    161. 

  161. 	dump_register(GUSB3PIPECTL(13)),
    162. 

  162. 	dump_register(GUSB3PIPECTL(14)),
    163. 

  163. 	dump_register(GUSB3PIPECTL(15)),
    164. 

  164. 

  165. 	dump_register(GTXFIFOSIZ(0)),
    166. 

  166. 	dump_register(GTXFIFOSIZ(1)),
    167. 

  167. 	dump_register(GTXFIFOSIZ(2)),
    168. 

  168. 	dump_register(GTXFIFOSIZ(3)),
    169. 

  169. 	dump_register(GTXFIFOSIZ(4)),
    170. 

  170. 	dump_register(GTXFIFOSIZ(5)),
    171. 

  171. 	dump_register(GTXFIFOSIZ(6)),
    172. 

  172. 	dump_register(GTXFIFOSIZ(7)),
    173. 

  173. 	dump_register(GTXFIFOSIZ(8)),
    174. 

  174. 	dump_register(GTXFIFOSIZ(9)),
    175. 

  175. 	dump_register(GTXFIFOSIZ(10)),
    176. 

  176. 	dump_register(GTXFIFOSIZ(11)),
    177. 

  177. 	dump_register(GTXFIFOSIZ(12)),
    178. 

  178. 	dump_register(GTXFIFOSIZ(13)),
    179. 

  179. 	dump_register(GTXFIFOSIZ(14)),
    180. 

  180. 	dump_register(GTXFIFOSIZ(15)),
    181. 

  181. 	dump_register(GTXFIFOSIZ(16)),
    182. 

  182. 	dump_register(GTXFIFOSIZ(17)),
    183. 

  183. 	dump_register(GTXFIFOSIZ(18)),
    184. 

  184. 	dump_register(GTXFIFOSIZ(19)),
    185. 

  185. 	dump_register(GTXFIFOSIZ(20)),
    186. 

  186. 	dump_register(GTXFIFOSIZ(21)),
    187. 

  187. 	dump_register(GTXFIFOSIZ(22)),
    188. 

  188. 	dump_register(GTXFIFOSIZ(23)),
    189. 

  189. 	dump_register(GTXFIFOSIZ(24)),
    190. 

  190. 	dump_register(GTXFIFOSIZ(25)),
    191. 

  191. 	dump_register(GTXFIFOSIZ(26)),
    192. 

  192. 	dump_register(GTXFIFOSIZ(27)),
    193. 

  193. 	dump_register(GTXFIFOSIZ(28)),
    194. 

  194. 	dump_register(GTXFIFOSIZ(29)),
    195. 

  195. 	dump_register(GTXFIFOSIZ(30)),
    196. 

  196. 	dump_register(GTXFIFOSIZ(31)),
    197. 

  197. 

  198. 	dump_register(GRXFIFOSIZ(0)),
    199. 

  199. 	dump_register(GRXFIFOSIZ(1)),
    200. 

  200. 	dump_register(GRXFIFOSIZ(2)),
    201. 

  201. 	dump_register(GRXFIFOSIZ(3)),
    202. 

  202. 	dump_register(GRXFIFOSIZ(4)),
    203. 

  203. 	dump_register(GRXFIFOSIZ(5)),
    204. 

  204. 	dump_register(GRXFIFOSIZ(6)),
    205. 

  205. 	dump_register(GRXFIFOSIZ(7)),
    206. 

  206. 	dump_register(GRXFIFOSIZ(8)),
    207. 

  207. 	dump_register(GRXFIFOSIZ(9)),
    208. 

  208. 	dump_register(GRXFIFOSIZ(10)),
    209. 

  209. 	dump_register(GRXFIFOSIZ(11)),
    210. 

  210. 	dump_register(GRXFIFOSIZ(12)),
    211. 

  211. 	dump_register(GRXFIFOSIZ(13)),
    212. 

  212. 	dump_register(GRXFIFOSIZ(14)),
    213. 

  213. 	dump_register(GRXFIFOSIZ(15)),
    214. 

  214. 	dump_register(GRXFIFOSIZ(16)),
    215. 

  215. 	dump_register(GRXFIFOSIZ(17)),
    216. 

  216. 	dump_register(GRXFIFOSIZ(18)),
    217. 

  217. 	dump_register(GRXFIFOSIZ(19)),
    218. 

  218. 	dump_register(GRXFIFOSIZ(20)),
    219. 

  219. 	dump_register(GRXFIFOSIZ(21)),
    220. 

  220. 	dump_register(GRXFIFOSIZ(22)),
    221. 

  221. 	dump_register(GRXFIFOSIZ(23)),
    222. 

  222. 	dump_register(GRXFIFOSIZ(24)),
    223. 

  223. 	dump_register(GRXFIFOSIZ(25)),
    224. 

  224. 	dump_register(GRXFIFOSIZ(26)),
    225. 

  225. 	dump_register(GRXFIFOSIZ(27)),
    226. 

  226. 	dump_register(GRXFIFOSIZ(28)),
    227. 

  227. 	dump_register(GRXFIFOSIZ(29)),
    228. 

  228. 	dump_register(GRXFIFOSIZ(30)),
    229. 

  229. 	dump_register(GRXFIFOSIZ(31)),
    230. 

  230. 

  231. 	dump_register(GEVNTADRLO(0)),
    232. 

  232. 	dump_register(GEVNTADRHI(0)),
    233. 

  233. 	dump_register(GEVNTSIZ(0)),
    234. 

  234. 	dump_register(GEVNTCOUNT(0)),
    235. 

  235. 

  236. 	dump_register(GHWPARAMS8),
    237. 

  237. 	dump_register(DCFG),
    238. 

  238. 	dump_register(DCTL),
    239. 

  239. 	dump_register(DEVTEN),
    240. 

  240. 	dump_register(DSTS),
    241. 

  241. 	dump_register(DGCMDPAR),
    242. 

  242. 	dump_register(DGCMD),
    243. 

  243. 	dump_register(DALEPENA),
    244. 

  244. 

  245. 	dump_register(DEPCMDPAR2(0)),
    246. 

  246. 	dump_register(DEPCMDPAR2(1)),
    247. 

  247. 	dump_register(DEPCMDPAR2(2)),
    248. 

  248. 	dump_register(DEPCMDPAR2(3)),
    249. 

  249. 	dump_register(DEPCMDPAR2(4)),
    250. 

  250. 	dump_register(DEPCMDPAR2(5)),
    251. 

  251. 	dump_register(DEPCMDPAR2(6)),
    252. 

  252. 	dump_register(DEPCMDPAR2(7)),
    253. 

  253. 	dump_register(DEPCMDPAR2(8)),
    254. 

  254. 	dump_register(DEPCMDPAR2(9)),
    255. 

  255. 	dump_register(DEPCMDPAR2(10)),
    256. 

  256. 	dump_register(DEPCMDPAR2(11)),
    257. 

  257. 	dump_register(DEPCMDPAR2(12)),
    258. 

  258. 	dump_register(DEPCMDPAR2(13)),
    259. 

  259. 	dump_register(DEPCMDPAR2(14)),
    260. 

  260. 	dump_register(DEPCMDPAR2(15)),
    261. 

  261. 	dump_register(DEPCMDPAR2(16)),
    262. 

  262. 	dump_register(DEPCMDPAR2(17)),
    263. 

  263. 	dump_register(DEPCMDPAR2(18)),
    264. 

  264. 	dump_register(DEPCMDPAR2(19)),
    265. 

  265. 	dump_register(DEPCMDPAR2(20)),
    266. 

  266. 	dump_register(DEPCMDPAR2(21)),
    267. 

  267. 	dump_register(DEPCMDPAR2(22)),
    268. 

  268. 	dump_register(DEPCMDPAR2(23)),
    269. 

  269. 	dump_register(DEPCMDPAR2(24)),
    270. 

  270. 	dump_register(DEPCMDPAR2(25)),
    271. 

  271. 	dump_register(DEPCMDPAR2(26)),
    272. 

  272. 	dump_register(DEPCMDPAR2(27)),
    273. 

  273. 	dump_register(DEPCMDPAR2(28)),
    274. 

  274. 	dump_register(DEPCMDPAR2(29)),
    275. 

  275. 	dump_register(DEPCMDPAR2(30)),
    276. 

  276. 	dump_register(DEPCMDPAR2(31)),
    277. 

  277. 

  278. 	dump_register(DEPCMDPAR1(0)),
    279. 

  279. 	dump_register(DEPCMDPAR1(1)),
    280. 

  280. 	dump_register(DEPCMDPAR1(2)),
    281. 

  281. 	dump_register(DEPCMDPAR1(3)),
    282. 

  282. 	dump_register(DEPCMDPAR1(4)),
    283. 

  283. 	dump_register(DEPCMDPAR1(5)),
    284. 

  284. 	dump_register(DEPCMDPAR1(6)),
    285. 

  285. 	dump_register(DEPCMDPAR1(7)),
    286. 

  286. 	dump_register(DEPCMDPAR1(8)),
    287. 

  287. 	dump_register(DEPCMDPAR1(9)),
    288. 

  288. 	dump_register(DEPCMDPAR1(10)),
    289. 

  289. 	dump_register(DEPCMDPAR1(11)),
    290. 

  290. 	dump_register(DEPCMDPAR1(12)),
    291. 

  291. 	dump_register(DEPCMDPAR1(13)),
    292. 

  292. 	dump_register(DEPCMDPAR1(14)),
    293. 

  293. 	dump_register(DEPCMDPAR1(15)),
    294. 

  294. 	dump_register(DEPCMDPAR1(16)),
    295. 

  295. 	dump_register(DEPCMDPAR1(17)),
    296. 

  296. 	dump_register(DEPCMDPAR1(18)),
    297. 

  297. 	dump_register(DEPCMDPAR1(19)),
    298. 

  298. 	dump_register(DEPCMDPAR1(20)),
    299. 

  299. 	dump_register(DEPCMDPAR1(21)),
    300. 

  300. 	dump_register(DEPCMDPAR1(22)),
    301. 

  301. 	dump_register(DEPCMDPAR1(23)),
    302. 

  302. 	dump_register(DEPCMDPAR1(24)),
    303. 

  303. 	dump_register(DEPCMDPAR1(25)),
    304. 

  304. 	dump_register(DEPCMDPAR1(26)),
    305. 

  305. 	dump_register(DEPCMDPAR1(27)),
    306. 

  306. 	dump_register(DEPCMDPAR1(28)),
    307. 

  307. 	dump_register(DEPCMDPAR1(29)),
    308. 

  308. 	dump_register(DEPCMDPAR1(30)),
    309. 

  309. 	dump_register(DEPCMDPAR1(31)),
    310. 

  310. 

  311. 	dump_register(DEPCMDPAR0(0)),
    312. 

  312. 	dump_register(DEPCMDPAR0(1)),
    313. 

  313. 	dump_register(DEPCMDPAR0(2)),
    314. 

  314. 	dump_register(DEPCMDPAR0(3)),
    315. 

  315. 	dump_register(DEPCMDPAR0(4)),
    316. 

  316. 	dump_register(DEPCMDPAR0(5)),
    317. 

  317. 	dump_register(DEPCMDPAR0(6)),
    318. 

  318. 	dump_register(DEPCMDPAR0(7)),
    319. 

  319. 	dump_register(DEPCMDPAR0(8)),
    320. 

  320. 	dump_register(DEPCMDPAR0(9)),
    321. 

  321. 	dump_register(DEPCMDPAR0(10)),
    322. 

  322. 	dump_register(DEPCMDPAR0(11)),
    323. 

  323. 	dump_register(DEPCMDPAR0(12)),
    324. 

  324. 	dump_register(DEPCMDPAR0(13)),
    325. 

  325. 	dump_register(DEPCMDPAR0(14)),
    326. 

  326. 	dump_register(DEPCMDPAR0(15)),
    327. 

  327. 	dump_register(DEPCMDPAR0(16)),
    328. 

  328. 	dump_register(DEPCMDPAR0(17)),
    329. 

  329. 	dump_register(DEPCMDPAR0(18)),
    330. 

  330. 	dump_register(DEPCMDPAR0(19)),
    331. 

  331. 	dump_register(DEPCMDPAR0(20)),
    332. 

  332. 	dump_register(DEPCMDPAR0(21)),
    333. 

  333. 	dump_register(DEPCMDPAR0(22)),
    334. 

  334. 	dump_register(DEPCMDPAR0(23)),
    335. 

  335. 	dump_register(DEPCMDPAR0(24)),
    336. 

  336. 	dump_register(DEPCMDPAR0(25)),
    337. 

  337. 	dump_register(DEPCMDPAR0(26)),
    338. 

  338. 	dump_register(DEPCMDPAR0(27)),
    339. 

  339. 	dump_register(DEPCMDPAR0(28)),
    340. 

  340. 	dump_register(DEPCMDPAR0(29)),
    341. 

  341. 	dump_register(DEPCMDPAR0(30)),
    342. 

  342. 	dump_register(DEPCMDPAR0(31)),
    343. 

  343. 

  344. 	dump_register(DEPCMD(0)),
    345. 

  345. 	dump_register(DEPCMD(1)),
    346. 

  346. 	dump_register(DEPCMD(2)),
    347. 

  347. 	dump_register(DEPCMD(3)),
    348. 

  348. 	dump_register(DEPCMD(4)),
    349. 

  349. 	dump_register(DEPCMD(5)),
    350. 

  350. 	dump_register(DEPCMD(6)),
    351. 

  351. 	dump_register(DEPCMD(7)),
    352. 

  352. 	dump_register(DEPCMD(8)),
    353. 

  353. 	dump_register(DEPCMD(9)),
    354. 

  354. 	dump_register(DEPCMD(10)),
    355. 

  355. 	dump_register(DEPCMD(11)),
    356. 

  356. 	dump_register(DEPCMD(12)),
    357. 

  357. 	dump_register(DEPCMD(13)),
    358. 

  358. 	dump_register(DEPCMD(14)),
    359. 

  359. 	dump_register(DEPCMD(15)),
    360. 

  360. 	dump_register(DEPCMD(16)),
    361. 

  361. 	dump_register(DEPCMD(17)),
    362. 

  362. 	dump_register(DEPCMD(18)),
    363. 

  363. 	dump_register(DEPCMD(19)),
    364. 

  364. 	dump_register(DEPCMD(20)),
    365. 

  365. 	dump_register(DEPCMD(21)),
    366. 

  366. 	dump_register(DEPCMD(22)),
    367. 

  367. 	dump_register(DEPCMD(23)),
    368. 

  368. 	dump_register(DEPCMD(24)),
    369. 

  369. 	dump_register(DEPCMD(25)),
    370. 

  370. 	dump_register(DEPCMD(26)),
    371. 

  371. 	dump_register(DEPCMD(27)),
    372. 

  372. 	dump_register(DEPCMD(28)),
    373. 

  373. 	dump_register(DEPCMD(29)),
    374. 

  374. 	dump_register(DEPCMD(30)),
    375. 

  375. 	dump_register(DEPCMD(31)),
    376. 

  376. 

  377. 	dump_register(OCFG),
    378. 

  378. 	dump_register(OCTL),
    379. 

  379. 	dump_register(OEVTEN),
    380. 

  380. 	dump_register(OSTS),
    381. 

  381. };
    382. 

  382. 

  383. static int dwc3_regdump_show(struct seq_file *s, void *unused)
    384. 

  384. {
    385. 

  385. 	struct dwc3		*dwc = s->private;
    386. 

  386. 	int			i;
    387. 

  387. 

  388. 	seq_printf(s, "DesignWare USB3 Core Register Dump\n");
    389. 

  389. 

  390. 	for (i = 0; i < ARRAY_SIZE(dwc3_regs); i++) {
    391. 

  391. 		seq_printf(s, "%-20s :    %08x\n", dwc3_regs[i].name,
    392. 

  392. 				dwc3_readl(dwc->regs, dwc3_regs[i].offset));
    393. 

  393. 	}
    394. 

  394. 

  395. 	return 0;
    396. 

  396. }
    397. 

  397. 

  398. static int dwc3_regdump_open(struct inode *inode, struct file *file)
    399. 

  399. {
    400. 

  400. 	return single_open(file, dwc3_regdump_show, inode->i_private);
    401. 

  401. }
    402. 

  402. 

  403. static const struct file_operations dwc3_regdump_fops = {
    404. 

  404. 	.open			= dwc3_regdump_open,
    405. 

  405. 	.read			= seq_read,
    406. 

  406. 	.release		= single_release,
    407. 

  407. };
    408. 

  408. 

  409. 

  410. static int dwc3_send_testmode_cmd(struct dwc3 *dwc, int mode)
    411. 

  411. {
    412. 

  412. 	u32 timeout = 250;
    413. 

  413. 

  414. 	dwc3_writel(dwc->regs, DWC3_DGCMDPAR, mode);
    415. 

  415. 	dwc3_writel(dwc->regs, DWC3_DGCMD, DWC3_DGCMD_RUN_SOC_BUS_LOOPBACK |
    416. 

  416. 			DWC3_DEPCMD_CMDACT);
    417. 

  417. 	do {
    418. 

  418. 		u32 reg;
    419. 

  419. 

  420. 		reg = dwc3_readl(dwc->regs, DWC3_DGCMD);
    421. 

  421. 		if (!(reg & DWC3_DEPCMD_CMDACT))
    422. 

  422. 			return 0;
    423. 

  423. 		timeout--;
    424. 

  424. 		if (!timeout)
    425. 

  425. 			return -ETIMEDOUT;
    426. 

  426. 		mdelay(1);
    427. 

  427. 	} while (1);
    428. 

  428. }
    429. 

  429. 

  430. static struct dwc3_trb_hw trb_0 __aligned(16);
    431. 

  431. static struct dwc3_trb_hw trb_1 __aligned(16);
    432. 

  432. 

  433. #define BUF_SIZE	4096
    434. 

  434. static int dwc3_testmode_open(struct inode *inode, struct file *file)
    435. 

  435. {
    436. 

  436. 	struct dwc3 *dwc = inode->i_private;
    437. 

  437. 	struct dwc3_gadget_ep_cmd_params par0;
    438. 

  438. 	struct dwc3_gadget_ep_cmd_params par1;
    439. 

  439. 	struct dwc3_trb         trb;
    440. 

  440. 	int ret;
    441. 

  441. 	u8 *buf0;
    442. 

  442. 	u8 *buf1;
    443. 

  443. 

  444. 	buf0 = kmalloc(BUF_SIZE, GFP_KERNEL);
    445. 

  445. 	if (!buf0)
    446. 

  446. 		return -ENOMEM;
    447. 

  447. 	buf1 = kmalloc(BUF_SIZE, GFP_KERNEL);
    448. 

  448. 	if (!buf1)
    449. 

  449. 		return -ENOMEM;
    450. 

  450. 

  451. 	memset(buf0, 0xaa, BUF_SIZE);
    452. 

  452. 	memset(buf1, 0x33, BUF_SIZE);
    453. 

  453. 

  454. 	memset(&trb, 0, sizeof(trb));
    455. 

  455. 	memset(&par0, 0, sizeof(par0));
    456. 

  456. 	memset(&par1, 0, sizeof(par1));
    457. 

  457. 

  458. 	trb.lst = 1;
    459. 

  459. 	trb.trbctl = DWC3_TRBCTL_NORMAL;
    460. 

  460. 	trb.length = BUF_SIZE;
    461. 

  461. 	trb.hwo = 1;
    462. 

  462. 

  463. 	trb.bplh = virt_to_phys(buf0);
    464. 

  464. 	dwc3_trb_to_hw(&trb, &trb_0);
    465. 

  465. 

  466. 	trb.bplh = virt_to_phys(buf1);
    467. 

  467. 	dwc3_trb_to_hw(&trb, &trb_1);
    468. 

  468. 

  469. 	par0.param0.depstrtxfer.transfer_desc_addr_high =
    470. 

  470. 		upper_32_bits(virt_to_phys(&trb_0));
    471. 

  471. 	par0.param1.depstrtxfer.transfer_desc_addr_low =
    472. 

  472. 		lower_32_bits(virt_to_phys(&trb_0));
    473. 

  473. 

  474. 	par1.param0.depstrtxfer.transfer_desc_addr_high =
    475. 

  475. 		upper_32_bits(virt_to_phys(&trb_1));
    476. 

  476. 	par1.param1.depstrtxfer.transfer_desc_addr_low =
    477. 

  477. 		lower_32_bits(virt_to_phys(&trb_1));
    478. 

  478. 

  479. 	dwc3_send_testmode_cmd(dwc, 1);
    480. 

  480. 

  481. 	ret = dwc3_send_gadget_ep_cmd(dwc, 0, DWC3_DEPCMD_STARTTRANSFER, &par0);
    482. 

  482. 	ret = dwc3_send_gadget_ep_cmd(dwc, 1, DWC3_DEPCMD_STARTTRANSFER, &par1);
    483. 

  483. 

  484. 	dwc3_send_testmode_cmd(dwc, 0);
    485. 

  485. 	return -EBUSY;
    486. 

  486. }
    487. 

  487. 

  488. static const struct file_operations dwc3_testmode_fops = {
    489. 

  489. 	.open			= dwc3_testmode_open,
    490. 

  490. 	.read			= seq_read,
    491. 

  491. 	.release		= single_release,
    492. 

  492. };
    493. 

  493. 

  494. int __devinit dwc3_debugfs_init(struct dwc3 *dwc)
    495. 

  495. {
    496. 

  496. 	struct dentry		*root;
    497. 

  497. 	struct dentry		*file;
    498. 

  498. 	int			ret;
    499. 

  499. 

  500. 	root = debugfs_create_dir(dev_name(dwc->dev), NULL);
    501. 

  501. 	if (IS_ERR(root)){
    502. 

  502. 		ret = PTR_ERR(root);
    503. 

  503. 		goto err0;
    504. 

  504. 	}
    505. 

  505. 

  506. 	dwc->root = root;
    507. 

  507. 

  508. 	file = debugfs_create_file("regdump", S_IRUGO, root, dwc,
    509. 

  509. 			&dwc3_regdump_fops);
    510. 

  510. 	if (IS_ERR(file)) {
    511. 

  511. 		ret = PTR_ERR(file);
    512. 

  512. 		goto err1;
    513. 

  513. 	}
    514. 

  514. 	file = debugfs_create_file("testmode", S_IRUGO, root, dwc,
    515. 

  515. 			&dwc3_testmode_fops);
    516. 

  516. 	if (IS_ERR(file)) {
    517. 

  517. 		ret = PTR_ERR(file);
    518. 

  518. 		goto err1;
    519. 

  519. 	}
    520. 

  520. 

  521. 	return 0;
    522. 

  522. 

  523. err1:
    524. 

  524. 	debugfs_remove_recursive(root);
    525. 

  525. 

  526. err0:
    527. 

  527. 	return ret;
    528. 

  528. }
    529. 

  529. 

  530. void __devexit dwc3_debugfs_exit(struct dwc3 *dwc)
    531. 

  531. {
    532. 

  532. 	debugfs_remove_recursive(dwc->root);
    533. 

  533. 	dwc->root = NULL;
    534. 

  534. }
    535.