rsserial.c 13 KB

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  1. /*******************************************************************************
  2. *
  3. * Module Name: rsserial - GPIO/serial_bus resource descriptors
  4. *
  5. ******************************************************************************/
  6. /*
  7. * Copyright (C) 2000 - 2012, Intel Corp.
  8. * All rights reserved.
  9. *
  10. * Redistribution and use in source and binary forms, with or without
  11. * modification, are permitted provided that the following conditions
  12. * are met:
  13. * 1. Redistributions of source code must retain the above copyright
  14. * notice, this list of conditions, and the following disclaimer,
  15. * without modification.
  16. * 2. Redistributions in binary form must reproduce at minimum a disclaimer
  17. * substantially similar to the "NO WARRANTY" disclaimer below
  18. * ("Disclaimer") and any redistribution must be conditioned upon
  19. * including a substantially similar Disclaimer requirement for further
  20. * binary redistribution.
  21. * 3. Neither the names of the above-listed copyright holders nor the names
  22. * of any contributors may be used to endorse or promote products derived
  23. * from this software without specific prior written permission.
  24. *
  25. * Alternatively, this software may be distributed under the terms of the
  26. * GNU General Public License ("GPL") version 2 as published by the Free
  27. * Software Foundation.
  28. *
  29. * NO WARRANTY
  30. * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
  31. * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
  32. * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTIBILITY AND FITNESS FOR
  33. * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
  34. * HOLDERS OR CONTRIBUTORS BE LIABLE FOR SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
  35. * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
  36. * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
  37. * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
  38. * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING
  39. * IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
  40. * POSSIBILITY OF SUCH DAMAGES.
  41. */
  42. #include <acpi/acpi.h>
  43. #include "accommon.h"
  44. #include "acresrc.h"
  45. #define _COMPONENT ACPI_RESOURCES
  46. ACPI_MODULE_NAME("rsserial")
  47. /*******************************************************************************
  48. *
  49. * acpi_rs_convert_gpio
  50. *
  51. ******************************************************************************/
  52. struct acpi_rsconvert_info acpi_rs_convert_gpio[17] = {
  53. {ACPI_RSC_INITGET, ACPI_RESOURCE_TYPE_GPIO,
  54. ACPI_RS_SIZE(struct acpi_resource_gpio),
  55. ACPI_RSC_TABLE_SIZE(acpi_rs_convert_gpio)},
  56. {ACPI_RSC_INITSET, ACPI_RESOURCE_NAME_GPIO,
  57. sizeof(struct aml_resource_gpio),
  58. 0},
  59. /*
  60. * These fields are contiguous in both the source and destination:
  61. * revision_id
  62. * connection_type
  63. */
  64. {ACPI_RSC_MOVE8, ACPI_RS_OFFSET(data.gpio.revision_id),
  65. AML_OFFSET(gpio.revision_id),
  66. 2},
  67. {ACPI_RSC_1BITFLAG, ACPI_RS_OFFSET(data.gpio.producer_consumer),
  68. AML_OFFSET(gpio.flags),
  69. 0},
  70. {ACPI_RSC_2BITFLAG, ACPI_RS_OFFSET(data.gpio.sharable),
  71. AML_OFFSET(gpio.int_flags),
  72. 3},
  73. {ACPI_RSC_2BITFLAG, ACPI_RS_OFFSET(data.gpio.io_restriction),
  74. AML_OFFSET(gpio.int_flags),
  75. 0},
  76. {ACPI_RSC_1BITFLAG, ACPI_RS_OFFSET(data.gpio.triggering),
  77. AML_OFFSET(gpio.int_flags),
  78. 0},
  79. {ACPI_RSC_2BITFLAG, ACPI_RS_OFFSET(data.gpio.polarity),
  80. AML_OFFSET(gpio.int_flags),
  81. 1},
  82. {ACPI_RSC_MOVE8, ACPI_RS_OFFSET(data.gpio.pin_config),
  83. AML_OFFSET(gpio.pin_config),
  84. 1},
  85. /*
  86. * These fields are contiguous in both the source and destination:
  87. * drive_strength
  88. * debounce_timeout
  89. */
  90. {ACPI_RSC_MOVE16, ACPI_RS_OFFSET(data.gpio.drive_strength),
  91. AML_OFFSET(gpio.drive_strength),
  92. 2},
  93. /* Pin Table */
  94. {ACPI_RSC_COUNT_GPIO_PIN, ACPI_RS_OFFSET(data.gpio.pin_table_length),
  95. AML_OFFSET(gpio.pin_table_offset),
  96. AML_OFFSET(gpio.res_source_offset)},
  97. {ACPI_RSC_MOVE_GPIO_PIN, ACPI_RS_OFFSET(data.gpio.pin_table),
  98. AML_OFFSET(gpio.pin_table_offset),
  99. 0},
  100. /* Resource Source */
  101. {ACPI_RSC_MOVE8, ACPI_RS_OFFSET(data.gpio.resource_source.index),
  102. AML_OFFSET(gpio.res_source_index),
  103. 1},
  104. {ACPI_RSC_COUNT_GPIO_RES,
  105. ACPI_RS_OFFSET(data.gpio.resource_source.string_length),
  106. AML_OFFSET(gpio.res_source_offset),
  107. AML_OFFSET(gpio.vendor_offset)},
  108. {ACPI_RSC_MOVE_GPIO_RES,
  109. ACPI_RS_OFFSET(data.gpio.resource_source.string_ptr),
  110. AML_OFFSET(gpio.res_source_offset),
  111. 0},
  112. /* Vendor Data */
  113. {ACPI_RSC_COUNT_GPIO_VEN, ACPI_RS_OFFSET(data.gpio.vendor_length),
  114. AML_OFFSET(gpio.vendor_length),
  115. 1},
  116. {ACPI_RSC_MOVE_GPIO_RES, ACPI_RS_OFFSET(data.gpio.vendor_data),
  117. AML_OFFSET(gpio.vendor_offset),
  118. 0},
  119. };
  120. /*******************************************************************************
  121. *
  122. * acpi_rs_convert_i2c_serial_bus
  123. *
  124. ******************************************************************************/
  125. struct acpi_rsconvert_info acpi_rs_convert_i2c_serial_bus[16] = {
  126. {ACPI_RSC_INITGET, ACPI_RESOURCE_TYPE_SERIAL_BUS,
  127. ACPI_RS_SIZE(struct acpi_resource_i2c_serialbus),
  128. ACPI_RSC_TABLE_SIZE(acpi_rs_convert_i2c_serial_bus)},
  129. {ACPI_RSC_INITSET, ACPI_RESOURCE_NAME_SERIAL_BUS,
  130. sizeof(struct aml_resource_i2c_serialbus),
  131. 0},
  132. {ACPI_RSC_MOVE8, ACPI_RS_OFFSET(data.common_serial_bus.revision_id),
  133. AML_OFFSET(common_serial_bus.revision_id),
  134. 1},
  135. {ACPI_RSC_MOVE8, ACPI_RS_OFFSET(data.common_serial_bus.type),
  136. AML_OFFSET(common_serial_bus.type),
  137. 1},
  138. {ACPI_RSC_1BITFLAG, ACPI_RS_OFFSET(data.common_serial_bus.slave_mode),
  139. AML_OFFSET(common_serial_bus.flags),
  140. 0},
  141. {ACPI_RSC_1BITFLAG,
  142. ACPI_RS_OFFSET(data.common_serial_bus.producer_consumer),
  143. AML_OFFSET(common_serial_bus.flags),
  144. 1},
  145. {ACPI_RSC_MOVE8,
  146. ACPI_RS_OFFSET(data.common_serial_bus.type_revision_id),
  147. AML_OFFSET(common_serial_bus.type_revision_id),
  148. 1},
  149. {ACPI_RSC_MOVE16,
  150. ACPI_RS_OFFSET(data.common_serial_bus.type_data_length),
  151. AML_OFFSET(common_serial_bus.type_data_length),
  152. 1},
  153. /* Vendor data */
  154. {ACPI_RSC_COUNT_SERIAL_VEN,
  155. ACPI_RS_OFFSET(data.common_serial_bus.vendor_length),
  156. AML_OFFSET(common_serial_bus.type_data_length),
  157. AML_RESOURCE_I2C_MIN_DATA_LEN},
  158. {ACPI_RSC_MOVE_SERIAL_VEN,
  159. ACPI_RS_OFFSET(data.common_serial_bus.vendor_data),
  160. 0,
  161. sizeof(struct aml_resource_i2c_serialbus)},
  162. /* Resource Source */
  163. {ACPI_RSC_MOVE8,
  164. ACPI_RS_OFFSET(data.common_serial_bus.resource_source.index),
  165. AML_OFFSET(common_serial_bus.res_source_index),
  166. 1},
  167. {ACPI_RSC_COUNT_SERIAL_RES,
  168. ACPI_RS_OFFSET(data.common_serial_bus.resource_source.string_length),
  169. AML_OFFSET(common_serial_bus.type_data_length),
  170. sizeof(struct aml_resource_common_serialbus)},
  171. {ACPI_RSC_MOVE_SERIAL_RES,
  172. ACPI_RS_OFFSET(data.common_serial_bus.resource_source.string_ptr),
  173. AML_OFFSET(common_serial_bus.type_data_length),
  174. sizeof(struct aml_resource_common_serialbus)},
  175. /* I2C bus type specific */
  176. {ACPI_RSC_1BITFLAG, ACPI_RS_OFFSET(data.i2c_serial_bus.access_mode),
  177. AML_OFFSET(i2c_serial_bus.type_specific_flags),
  178. 0},
  179. {ACPI_RSC_MOVE32, ACPI_RS_OFFSET(data.i2c_serial_bus.connection_speed),
  180. AML_OFFSET(i2c_serial_bus.connection_speed),
  181. 1},
  182. {ACPI_RSC_MOVE16, ACPI_RS_OFFSET(data.i2c_serial_bus.slave_address),
  183. AML_OFFSET(i2c_serial_bus.slave_address),
  184. 1},
  185. };
  186. /*******************************************************************************
  187. *
  188. * acpi_rs_convert_spi_serial_bus
  189. *
  190. ******************************************************************************/
  191. struct acpi_rsconvert_info acpi_rs_convert_spi_serial_bus[20] = {
  192. {ACPI_RSC_INITGET, ACPI_RESOURCE_TYPE_SERIAL_BUS,
  193. ACPI_RS_SIZE(struct acpi_resource_spi_serialbus),
  194. ACPI_RSC_TABLE_SIZE(acpi_rs_convert_spi_serial_bus)},
  195. {ACPI_RSC_INITSET, ACPI_RESOURCE_NAME_SERIAL_BUS,
  196. sizeof(struct aml_resource_spi_serialbus),
  197. 0},
  198. {ACPI_RSC_MOVE8, ACPI_RS_OFFSET(data.common_serial_bus.revision_id),
  199. AML_OFFSET(common_serial_bus.revision_id),
  200. 1},
  201. {ACPI_RSC_MOVE8, ACPI_RS_OFFSET(data.common_serial_bus.type),
  202. AML_OFFSET(common_serial_bus.type),
  203. 1},
  204. {ACPI_RSC_1BITFLAG, ACPI_RS_OFFSET(data.common_serial_bus.slave_mode),
  205. AML_OFFSET(common_serial_bus.flags),
  206. 0},
  207. {ACPI_RSC_1BITFLAG,
  208. ACPI_RS_OFFSET(data.common_serial_bus.producer_consumer),
  209. AML_OFFSET(common_serial_bus.flags),
  210. 1},
  211. {ACPI_RSC_MOVE8,
  212. ACPI_RS_OFFSET(data.common_serial_bus.type_revision_id),
  213. AML_OFFSET(common_serial_bus.type_revision_id),
  214. 1},
  215. {ACPI_RSC_MOVE16,
  216. ACPI_RS_OFFSET(data.common_serial_bus.type_data_length),
  217. AML_OFFSET(common_serial_bus.type_data_length),
  218. 1},
  219. /* Vendor data */
  220. {ACPI_RSC_COUNT_SERIAL_VEN,
  221. ACPI_RS_OFFSET(data.common_serial_bus.vendor_length),
  222. AML_OFFSET(common_serial_bus.type_data_length),
  223. AML_RESOURCE_SPI_MIN_DATA_LEN},
  224. {ACPI_RSC_MOVE_SERIAL_VEN,
  225. ACPI_RS_OFFSET(data.common_serial_bus.vendor_data),
  226. 0,
  227. sizeof(struct aml_resource_spi_serialbus)},
  228. /* Resource Source */
  229. {ACPI_RSC_MOVE8,
  230. ACPI_RS_OFFSET(data.common_serial_bus.resource_source.index),
  231. AML_OFFSET(common_serial_bus.res_source_index),
  232. 1},
  233. {ACPI_RSC_COUNT_SERIAL_RES,
  234. ACPI_RS_OFFSET(data.common_serial_bus.resource_source.string_length),
  235. AML_OFFSET(common_serial_bus.type_data_length),
  236. sizeof(struct aml_resource_common_serialbus)},
  237. {ACPI_RSC_MOVE_SERIAL_RES,
  238. ACPI_RS_OFFSET(data.common_serial_bus.resource_source.string_ptr),
  239. AML_OFFSET(common_serial_bus.type_data_length),
  240. sizeof(struct aml_resource_common_serialbus)},
  241. /* Spi bus type specific */
  242. {ACPI_RSC_1BITFLAG, ACPI_RS_OFFSET(data.spi_serial_bus.wire_mode),
  243. AML_OFFSET(spi_serial_bus.type_specific_flags),
  244. 0},
  245. {ACPI_RSC_1BITFLAG, ACPI_RS_OFFSET(data.spi_serial_bus.device_polarity),
  246. AML_OFFSET(spi_serial_bus.type_specific_flags),
  247. 1},
  248. {ACPI_RSC_MOVE8, ACPI_RS_OFFSET(data.spi_serial_bus.data_bit_length),
  249. AML_OFFSET(spi_serial_bus.data_bit_length),
  250. 1},
  251. {ACPI_RSC_MOVE8, ACPI_RS_OFFSET(data.spi_serial_bus.clock_phase),
  252. AML_OFFSET(spi_serial_bus.clock_phase),
  253. 1},
  254. {ACPI_RSC_MOVE8, ACPI_RS_OFFSET(data.spi_serial_bus.clock_polarity),
  255. AML_OFFSET(spi_serial_bus.clock_polarity),
  256. 1},
  257. {ACPI_RSC_MOVE16, ACPI_RS_OFFSET(data.spi_serial_bus.device_selection),
  258. AML_OFFSET(spi_serial_bus.device_selection),
  259. 1},
  260. {ACPI_RSC_MOVE32, ACPI_RS_OFFSET(data.spi_serial_bus.connection_speed),
  261. AML_OFFSET(spi_serial_bus.connection_speed),
  262. 1},
  263. };
  264. /*******************************************************************************
  265. *
  266. * acpi_rs_convert_uart_serial_bus
  267. *
  268. ******************************************************************************/
  269. struct acpi_rsconvert_info acpi_rs_convert_uart_serial_bus[22] = {
  270. {ACPI_RSC_INITGET, ACPI_RESOURCE_TYPE_SERIAL_BUS,
  271. ACPI_RS_SIZE(struct acpi_resource_uart_serialbus),
  272. ACPI_RSC_TABLE_SIZE(acpi_rs_convert_uart_serial_bus)},
  273. {ACPI_RSC_INITSET, ACPI_RESOURCE_NAME_SERIAL_BUS,
  274. sizeof(struct aml_resource_uart_serialbus),
  275. 0},
  276. {ACPI_RSC_MOVE8, ACPI_RS_OFFSET(data.common_serial_bus.revision_id),
  277. AML_OFFSET(common_serial_bus.revision_id),
  278. 1},
  279. {ACPI_RSC_MOVE8, ACPI_RS_OFFSET(data.common_serial_bus.type),
  280. AML_OFFSET(common_serial_bus.type),
  281. 1},
  282. {ACPI_RSC_1BITFLAG, ACPI_RS_OFFSET(data.common_serial_bus.slave_mode),
  283. AML_OFFSET(common_serial_bus.flags),
  284. 0},
  285. {ACPI_RSC_1BITFLAG,
  286. ACPI_RS_OFFSET(data.common_serial_bus.producer_consumer),
  287. AML_OFFSET(common_serial_bus.flags),
  288. 1},
  289. {ACPI_RSC_MOVE8,
  290. ACPI_RS_OFFSET(data.common_serial_bus.type_revision_id),
  291. AML_OFFSET(common_serial_bus.type_revision_id),
  292. 1},
  293. {ACPI_RSC_MOVE16,
  294. ACPI_RS_OFFSET(data.common_serial_bus.type_data_length),
  295. AML_OFFSET(common_serial_bus.type_data_length),
  296. 1},
  297. /* Vendor data */
  298. {ACPI_RSC_COUNT_SERIAL_VEN,
  299. ACPI_RS_OFFSET(data.common_serial_bus.vendor_length),
  300. AML_OFFSET(common_serial_bus.type_data_length),
  301. AML_RESOURCE_UART_MIN_DATA_LEN},
  302. {ACPI_RSC_MOVE_SERIAL_VEN,
  303. ACPI_RS_OFFSET(data.common_serial_bus.vendor_data),
  304. 0,
  305. sizeof(struct aml_resource_uart_serialbus)},
  306. /* Resource Source */
  307. {ACPI_RSC_MOVE8,
  308. ACPI_RS_OFFSET(data.common_serial_bus.resource_source.index),
  309. AML_OFFSET(common_serial_bus.res_source_index),
  310. 1},
  311. {ACPI_RSC_COUNT_SERIAL_RES,
  312. ACPI_RS_OFFSET(data.common_serial_bus.resource_source.string_length),
  313. AML_OFFSET(common_serial_bus.type_data_length),
  314. sizeof(struct aml_resource_common_serialbus)},
  315. {ACPI_RSC_MOVE_SERIAL_RES,
  316. ACPI_RS_OFFSET(data.common_serial_bus.resource_source.string_ptr),
  317. AML_OFFSET(common_serial_bus.type_data_length),
  318. sizeof(struct aml_resource_common_serialbus)},
  319. /* Uart bus type specific */
  320. {ACPI_RSC_2BITFLAG, ACPI_RS_OFFSET(data.uart_serial_bus.flow_control),
  321. AML_OFFSET(uart_serial_bus.type_specific_flags),
  322. 0},
  323. {ACPI_RSC_2BITFLAG, ACPI_RS_OFFSET(data.uart_serial_bus.stop_bits),
  324. AML_OFFSET(uart_serial_bus.type_specific_flags),
  325. 2},
  326. {ACPI_RSC_3BITFLAG, ACPI_RS_OFFSET(data.uart_serial_bus.data_bits),
  327. AML_OFFSET(uart_serial_bus.type_specific_flags),
  328. 4},
  329. {ACPI_RSC_1BITFLAG, ACPI_RS_OFFSET(data.uart_serial_bus.endian),
  330. AML_OFFSET(uart_serial_bus.type_specific_flags),
  331. 7},
  332. {ACPI_RSC_MOVE8, ACPI_RS_OFFSET(data.uart_serial_bus.parity),
  333. AML_OFFSET(uart_serial_bus.parity),
  334. 1},
  335. {ACPI_RSC_MOVE8, ACPI_RS_OFFSET(data.uart_serial_bus.lines_enabled),
  336. AML_OFFSET(uart_serial_bus.lines_enabled),
  337. 1},
  338. {ACPI_RSC_MOVE16, ACPI_RS_OFFSET(data.uart_serial_bus.rx_fifo_size),
  339. AML_OFFSET(uart_serial_bus.rx_fifo_size),
  340. 1},
  341. {ACPI_RSC_MOVE16, ACPI_RS_OFFSET(data.uart_serial_bus.tx_fifo_size),
  342. AML_OFFSET(uart_serial_bus.tx_fifo_size),
  343. 1},
  344. {ACPI_RSC_MOVE32,
  345. ACPI_RS_OFFSET(data.uart_serial_bus.default_baud_rate),
  346. AML_OFFSET(uart_serial_bus.default_baud_rate),
  347. 1},
  348. };