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c8sectpfe-debugfs.c

c8sectpfe-debugfs.c 8.5 KB
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  1. /*
    2. 

  2.  * c8sectpfe-debugfs.c - C8SECTPFE STi DVB driver
    3. 

  3.  *
    4. 

  4.  * Copyright (c) STMicroelectronics 2015
    5. 

  5.  *
    6. 

  6.  * Author: Peter Griffin <peter.griffin@linaro.org>
    7. 

  7.  *
    8. 

  8.  * This program is free software: you can redistribute it and/or modify
    9. 

  9.  * it under the terms of the GNU General Public License version 2  of
    10. 

  10.  * the License as published by the Free Software Foundation.
    11. 

  11.  *
    12. 

  12.  * This program is distributed in the hope that it will be useful,
    13. 

  13.  * but WITHOUT ANY WARRANTY; without even the implied warranty of
    14. 

  14.  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
    15. 

  15.  * GNU General Public License for more details.
    16. 

  16.  */
    17. 

  17. #include <linux/debugfs.h>
    18. 

  18. #include <linux/device.h>
    19. 

  19. #include <linux/interrupt.h>
    20. 

  20. #include <linux/io.h>
    21. 

  21. #include <linux/kernel.h>
    22. 

  22. #include <linux/seq_file.h>
    23. 

  23. #include <linux/slab.h>
    24. 

  24. #include <linux/types.h>
    25. 

  25. 

  26. #include "c8sectpfe-debugfs.h"
    27. 

  27. 

  28. #define dump_register(nm ...)			\
    29. 

  29. {						\
    30. 

  30. 	.name	= #nm,				\
    31. 

  31. 	.offset	= nm,				\
    32. 

  32. }
    33. 

  33. 

  34. static const struct debugfs_reg32 fei_sys_regs[] = {
    35. 

  35. 	dump_register(SYS_INPUT_ERR_STATUS),
    36. 

  36. 	dump_register(SYS_OTHER_ERR_STATUS),
    37. 

  37. 	dump_register(SYS_INPUT_ERR_MASK),
    38. 

  38. 	dump_register(SYS_DMA_ROUTE),
    39. 

  39. 	dump_register(SYS_INPUT_CLKEN),
    40. 

  40. 	dump_register(IBENABLE_MASK),
    41. 

  41. 	dump_register(SYS_OTHER_CLKEN),
    42. 

  42. 	dump_register(SYS_CFG_NUM_IB),
    43. 

  43. 	dump_register(SYS_CFG_NUM_MIB),
    44. 

  44. 	dump_register(SYS_CFG_NUM_SWTS),
    45. 

  45. 	dump_register(SYS_CFG_NUM_TSOUT),
    46. 

  46. 	dump_register(SYS_CFG_NUM_CCSC),
    47. 

  47. 	dump_register(SYS_CFG_NUM_RAM),
    48. 

  48. 	dump_register(SYS_CFG_NUM_TP),
    49. 

  49. 

  50. 	dump_register(C8SECTPFE_IB_IP_FMT_CFG(0)),
    51. 

  51. 	dump_register(C8SECTPFE_IB_TAGBYTES_CFG(0)),
    52. 

  52. 	dump_register(C8SECTPFE_IB_PID_SET(0)),
    53. 

  53. 	dump_register(C8SECTPFE_IB_PKT_LEN(0)),
    54. 

  54. 	dump_register(C8SECTPFE_IB_BUFF_STRT(0)),
    55. 

  55. 	dump_register(C8SECTPFE_IB_BUFF_END(0)),
    56. 

  56. 	dump_register(C8SECTPFE_IB_READ_PNT(0)),
    57. 

  57. 	dump_register(C8SECTPFE_IB_WRT_PNT(0)),
    58. 

  58. 	dump_register(C8SECTPFE_IB_PRI_THRLD(0)),
    59. 

  59. 	dump_register(C8SECTPFE_IB_STAT(0)),
    60. 

  60. 	dump_register(C8SECTPFE_IB_MASK(0)),
    61. 

  61. 	dump_register(C8SECTPFE_IB_SYS(0)),
    62. 

  62. 

  63. 	dump_register(C8SECTPFE_IB_IP_FMT_CFG(1)),
    64. 

  64. 	dump_register(C8SECTPFE_IB_TAGBYTES_CFG(1)),
    65. 

  65. 	dump_register(C8SECTPFE_IB_PID_SET(1)),
    66. 

  66. 	dump_register(C8SECTPFE_IB_PKT_LEN(1)),
    67. 

  67. 	dump_register(C8SECTPFE_IB_BUFF_STRT(1)),
    68. 

  68. 	dump_register(C8SECTPFE_IB_BUFF_END(1)),
    69. 

  69. 	dump_register(C8SECTPFE_IB_READ_PNT(1)),
    70. 

  70. 	dump_register(C8SECTPFE_IB_WRT_PNT(1)),
    71. 

  71. 	dump_register(C8SECTPFE_IB_PRI_THRLD(1)),
    72. 

  72. 	dump_register(C8SECTPFE_IB_STAT(1)),
    73. 

  73. 	dump_register(C8SECTPFE_IB_MASK(1)),
    74. 

  74. 	dump_register(C8SECTPFE_IB_SYS(1)),
    75. 

  75. 

  76. 	dump_register(C8SECTPFE_IB_IP_FMT_CFG(2)),
    77. 

  77. 	dump_register(C8SECTPFE_IB_TAGBYTES_CFG(2)),
    78. 

  78. 	dump_register(C8SECTPFE_IB_PID_SET(2)),
    79. 

  79. 	dump_register(C8SECTPFE_IB_PKT_LEN(2)),
    80. 

  80. 	dump_register(C8SECTPFE_IB_BUFF_STRT(2)),
    81. 

  81. 	dump_register(C8SECTPFE_IB_BUFF_END(2)),
    82. 

  82. 	dump_register(C8SECTPFE_IB_READ_PNT(2)),
    83. 

  83. 	dump_register(C8SECTPFE_IB_WRT_PNT(2)),
    84. 

  84. 	dump_register(C8SECTPFE_IB_PRI_THRLD(2)),
    85. 

  85. 	dump_register(C8SECTPFE_IB_STAT(2)),
    86. 

  86. 	dump_register(C8SECTPFE_IB_MASK(2)),
    87. 

  87. 	dump_register(C8SECTPFE_IB_SYS(2)),
    88. 

  88. 

  89. 	dump_register(C8SECTPFE_IB_IP_FMT_CFG(3)),
    90. 

  90. 	dump_register(C8SECTPFE_IB_TAGBYTES_CFG(3)),
    91. 

  91. 	dump_register(C8SECTPFE_IB_PID_SET(3)),
    92. 

  92. 	dump_register(C8SECTPFE_IB_PKT_LEN(3)),
    93. 

  93. 	dump_register(C8SECTPFE_IB_BUFF_STRT(3)),
    94. 

  94. 	dump_register(C8SECTPFE_IB_BUFF_END(3)),
    95. 

  95. 	dump_register(C8SECTPFE_IB_READ_PNT(3)),
    96. 

  96. 	dump_register(C8SECTPFE_IB_WRT_PNT(3)),
    97. 

  97. 	dump_register(C8SECTPFE_IB_PRI_THRLD(3)),
    98. 

  98. 	dump_register(C8SECTPFE_IB_STAT(3)),
    99. 

  99. 	dump_register(C8SECTPFE_IB_MASK(3)),
    100. 

  100. 	dump_register(C8SECTPFE_IB_SYS(3)),
    101. 

  101. 

  102. 	dump_register(C8SECTPFE_IB_IP_FMT_CFG(4)),
    103. 

  103. 	dump_register(C8SECTPFE_IB_TAGBYTES_CFG(4)),
    104. 

  104. 	dump_register(C8SECTPFE_IB_PID_SET(4)),
    105. 

  105. 	dump_register(C8SECTPFE_IB_PKT_LEN(4)),
    106. 

  106. 	dump_register(C8SECTPFE_IB_BUFF_STRT(4)),
    107. 

  107. 	dump_register(C8SECTPFE_IB_BUFF_END(4)),
    108. 

  108. 	dump_register(C8SECTPFE_IB_READ_PNT(4)),
    109. 

  109. 	dump_register(C8SECTPFE_IB_WRT_PNT(4)),
    110. 

  110. 	dump_register(C8SECTPFE_IB_PRI_THRLD(4)),
    111. 

  111. 	dump_register(C8SECTPFE_IB_STAT(4)),
    112. 

  112. 	dump_register(C8SECTPFE_IB_MASK(4)),
    113. 

  113. 	dump_register(C8SECTPFE_IB_SYS(4)),
    114. 

  114. 

  115. 	dump_register(C8SECTPFE_IB_IP_FMT_CFG(5)),
    116. 

  116. 	dump_register(C8SECTPFE_IB_TAGBYTES_CFG(5)),
    117. 

  117. 	dump_register(C8SECTPFE_IB_PID_SET(5)),
    118. 

  118. 	dump_register(C8SECTPFE_IB_PKT_LEN(5)),
    119. 

  119. 	dump_register(C8SECTPFE_IB_BUFF_STRT(5)),
    120. 

  120. 	dump_register(C8SECTPFE_IB_BUFF_END(5)),
    121. 

  121. 	dump_register(C8SECTPFE_IB_READ_PNT(5)),
    122. 

  122. 	dump_register(C8SECTPFE_IB_WRT_PNT(5)),
    123. 

  123. 	dump_register(C8SECTPFE_IB_PRI_THRLD(5)),
    124. 

  124. 	dump_register(C8SECTPFE_IB_STAT(5)),
    125. 

  125. 	dump_register(C8SECTPFE_IB_MASK(5)),
    126. 

  126. 	dump_register(C8SECTPFE_IB_SYS(5)),
    127. 

  127. 

  128. 	dump_register(C8SECTPFE_IB_IP_FMT_CFG(6)),
    129. 

  129. 	dump_register(C8SECTPFE_IB_TAGBYTES_CFG(6)),
    130. 

  130. 	dump_register(C8SECTPFE_IB_PID_SET(6)),
    131. 

  131. 	dump_register(C8SECTPFE_IB_PKT_LEN(6)),
    132. 

  132. 	dump_register(C8SECTPFE_IB_BUFF_STRT(6)),
    133. 

  133. 	dump_register(C8SECTPFE_IB_BUFF_END(6)),
    134. 

  134. 	dump_register(C8SECTPFE_IB_READ_PNT(6)),
    135. 

  135. 	dump_register(C8SECTPFE_IB_WRT_PNT(6)),
    136. 

  136. 	dump_register(C8SECTPFE_IB_PRI_THRLD(6)),
    137. 

  137. 	dump_register(C8SECTPFE_IB_STAT(6)),
    138. 

  138. 	dump_register(C8SECTPFE_IB_MASK(6)),
    139. 

  139. 	dump_register(C8SECTPFE_IB_SYS(6)),
    140. 

  140. 

  141. 	dump_register(DMA_CPU_ID),
    142. 

  142. 	dump_register(DMA_CPU_VCR),
    143. 

  143. 	dump_register(DMA_CPU_RUN),
    144. 

  144. 	dump_register(DMA_CPU_PC),
    145. 

  145. 

  146. 	dump_register(DMA_PER_TPn_DREQ_MASK),
    147. 

  147. 	dump_register(DMA_PER_TPn_DACK_SET),
    148. 

  148. 	dump_register(DMA_PER_TPn_DREQ),
    149. 

  149. 	dump_register(DMA_PER_TPn_DACK),
    150. 

  150. 	dump_register(DMA_PER_DREQ_MODE),
    151. 

  151. 	dump_register(DMA_PER_STBUS_SYNC),
    152. 

  152. 	dump_register(DMA_PER_STBUS_ACCESS),
    153. 

  153. 	dump_register(DMA_PER_STBUS_ADDRESS),
    154. 

  154. 	dump_register(DMA_PER_IDLE_INT),
    155. 

  155. 	dump_register(DMA_PER_PRIORITY),
    156. 

  156. 	dump_register(DMA_PER_MAX_OPCODE),
    157. 

  157. 	dump_register(DMA_PER_MAX_CHUNK),
    158. 

  158. 	dump_register(DMA_PER_PAGE_SIZE),
    159. 

  159. 	dump_register(DMA_PER_MBOX_STATUS),
    160. 

  160. 	dump_register(DMA_PER_MBOX_SET),
    161. 

  161. 	dump_register(DMA_PER_MBOX_CLEAR),
    162. 

  162. 	dump_register(DMA_PER_MBOX_MASK),
    163. 

  163. 	dump_register(DMA_PER_INJECT_PKT_SRC),
    164. 

  164. 	dump_register(DMA_PER_INJECT_PKT_DEST),
    165. 

  165. 	dump_register(DMA_PER_INJECT_PKT_ADDR),
    166. 

  166. 	dump_register(DMA_PER_INJECT_PKT),
    167. 

  167. 	dump_register(DMA_PER_PAT_PTR_INIT),
    168. 

  168. 	dump_register(DMA_PER_PAT_PTR),
    169. 

  169. 	dump_register(DMA_PER_SLEEP_MASK),
    170. 

  170. 	dump_register(DMA_PER_SLEEP_COUNTER),
    171. 

  171. 

  172. 	dump_register(DMA_FIRMWARE_VERSION),
    173. 

  173. 	dump_register(DMA_PTRREC_BASE),
    174. 

  174. 	dump_register(DMA_PTRREC_INPUT_OFFSET),
    175. 

  175. 	dump_register(DMA_ERRREC_BASE),
    176. 

  176. 

  177. 	dump_register(DMA_ERROR_RECORD(0)),
    178. 

  178. 	dump_register(DMA_ERROR_RECORD(1)),
    179. 

  179. 	dump_register(DMA_ERROR_RECORD(2)),
    180. 

  180. 	dump_register(DMA_ERROR_RECORD(3)),
    181. 

  181. 	dump_register(DMA_ERROR_RECORD(4)),
    182. 

  182. 	dump_register(DMA_ERROR_RECORD(5)),
    183. 

  183. 	dump_register(DMA_ERROR_RECORD(6)),
    184. 

  184. 	dump_register(DMA_ERROR_RECORD(7)),
    185. 

  185. 	dump_register(DMA_ERROR_RECORD(8)),
    186. 

  186. 	dump_register(DMA_ERROR_RECORD(9)),
    187. 

  187. 	dump_register(DMA_ERROR_RECORD(10)),
    188. 

  188. 	dump_register(DMA_ERROR_RECORD(11)),
    189. 

  189. 	dump_register(DMA_ERROR_RECORD(12)),
    190. 

  190. 	dump_register(DMA_ERROR_RECORD(13)),
    191. 

  191. 	dump_register(DMA_ERROR_RECORD(14)),
    192. 

  192. 	dump_register(DMA_ERROR_RECORD(15)),
    193. 

  193. 	dump_register(DMA_ERROR_RECORD(16)),
    194. 

  194. 	dump_register(DMA_ERROR_RECORD(17)),
    195. 

  195. 	dump_register(DMA_ERROR_RECORD(18)),
    196. 

  196. 	dump_register(DMA_ERROR_RECORD(19)),
    197. 

  197. 	dump_register(DMA_ERROR_RECORD(20)),
    198. 

  198. 	dump_register(DMA_ERROR_RECORD(21)),
    199. 

  199. 	dump_register(DMA_ERROR_RECORD(22)),
    200. 

  200. 

  201. 	dump_register(DMA_IDLE_REQ),
    202. 

  202. 	dump_register(DMA_FIRMWARE_CONFIG),
    203. 

  203. 

  204. 	dump_register(PIDF_BASE(0)),
    205. 

  205. 	dump_register(PIDF_BASE(1)),
    206. 

  206. 	dump_register(PIDF_BASE(2)),
    207. 

  207. 	dump_register(PIDF_BASE(3)),
    208. 

  208. 	dump_register(PIDF_BASE(4)),
    209. 

  209. 	dump_register(PIDF_BASE(5)),
    210. 

  210. 	dump_register(PIDF_BASE(6)),
    211. 

  211. 	dump_register(PIDF_BASE(7)),
    212. 

  212. 	dump_register(PIDF_BASE(8)),
    213. 

  213. 	dump_register(PIDF_BASE(9)),
    214. 

  214. 	dump_register(PIDF_BASE(10)),
    215. 

  215. 	dump_register(PIDF_BASE(11)),
    216. 

  216. 	dump_register(PIDF_BASE(12)),
    217. 

  217. 	dump_register(PIDF_BASE(13)),
    218. 

  218. 	dump_register(PIDF_BASE(14)),
    219. 

  219. 	dump_register(PIDF_BASE(15)),
    220. 

  220. 	dump_register(PIDF_BASE(16)),
    221. 

  221. 	dump_register(PIDF_BASE(17)),
    222. 

  222. 	dump_register(PIDF_BASE(18)),
    223. 

  223. 	dump_register(PIDF_BASE(19)),
    224. 

  224. 	dump_register(PIDF_BASE(20)),
    225. 

  225. 	dump_register(PIDF_BASE(21)),
    226. 

  226. 	dump_register(PIDF_BASE(22)),
    227. 

  227. 	dump_register(PIDF_LEAK_ENABLE),
    228. 

  228. 	dump_register(PIDF_LEAK_STATUS),
    229. 

  229. 	dump_register(PIDF_LEAK_COUNT_RESET),
    230. 

  230. 	dump_register(PIDF_LEAK_COUNTER),
    231. 

  231. };
    232. 

  232. 

  233. void c8sectpfe_debugfs_init(struct c8sectpfei *fei)
    234. 

  234. {
    235. 

  235. 	struct dentry		*root;
    236. 

  236. 	struct dentry		*file;
    237. 

  237. 

  238. 	root = debugfs_create_dir("c8sectpfe", NULL);
    239. 

  239. 	if (!root)
    240. 

  240. 		goto err;
    241. 

  241. 

  242. 	fei->root = root;
    243. 

  243. 

  244. 	fei->regset =  devm_kzalloc(fei->dev, sizeof(*fei->regset), GFP_KERNEL);
    245. 

  245. 	if (!fei->regset)
    246. 

  246. 		goto err;
    247. 

  247. 

  248. 	fei->regset->regs = fei_sys_regs;
    249. 

  249. 	fei->regset->nregs = ARRAY_SIZE(fei_sys_regs);
    250. 

  250. 	fei->regset->base = fei->io;
    251. 

  251. 

  252. 	file = debugfs_create_regset32("registers", S_IRUGO, root,
    253. 

  253. 				fei->regset);
    254. 

  254. 	if (!file) {
    255. 

  255. 		dev_err(fei->dev,
    256. 

  256. 			"%s not able to create 'registers' debugfs\n"
    257. 

  257. 			, __func__);
    258. 

  258. 		goto err;
    259. 

  259. 	}
    260. 

  260. 

  261. 	return;
    262. 

  262. 

  263. err:
    264. 

  264. 	debugfs_remove_recursive(root);
    265. 

  265. }
    266. 

  266. 

  267. void c8sectpfe_debugfs_exit(struct c8sectpfei *fei)
    268. 

  268. {
    269. 

  269. 	debugfs_remove_recursive(fei->root);
    270. 

  270. 	fei->root = NULL;
    271. 

  271. }
    272.