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  1. /******************************************************************************
  2.  *
  3.  * Name: acrestyp.h - Defines, types, and structures for resource descriptors
  4.  *
  5.  *****************************************************************************/
  6.  
  7. /*
  8.  * Copyright (C) 2000 - 2016, Intel Corp.
  9.  * All rights reserved.
  10.  *
  11.  * Redistribution and use in source and binary forms, with or without
  12.  * modification, are permitted provided that the following conditions
  13.  * are met:
  14.  * 1. Redistributions of source code must retain the above copyright
  15.  *    notice, this list of conditions, and the following disclaimer,
  16.  *    without modification.
  17.  * 2. Redistributions in binary form must reproduce at minimum a disclaimer
  18.  *    substantially similar to the "NO WARRANTY" disclaimer below
  19.  *    ("Disclaimer") and any redistribution must be conditioned upon
  20.  *    including a substantially similar Disclaimer requirement for further
  21.  *    binary redistribution.
  22.  * 3. Neither the names of the above-listed copyright holders nor the names
  23.  *    of any contributors may be used to endorse or promote products derived
  24.  *    from this software without specific prior written permission.
  25.  *
  26.  * Alternatively, this software may be distributed under the terms of the
  27.  * GNU General Public License ("GPL") version 2 as published by the Free
  28.  * Software Foundation.
  29.  *
  30.  * NO WARRANTY
  31.  * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
  32.  * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
  33.  * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTIBILITY AND FITNESS FOR
  34.  * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
  35.  * HOLDERS OR CONTRIBUTORS BE LIABLE FOR SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
  36.  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
  37.  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
  38.  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
  39.  * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING
  40.  * IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
  41.  * POSSIBILITY OF SUCH DAMAGES.
  42.  */
  43.  
  44. #ifndef __ACRESTYP_H__
  45. #define __ACRESTYP_H__
  46.  
  47. /*
  48.  * Definitions for Resource Attributes
  49.  */
  50. typedef u16 acpi_rs_length;     /* Resource Length field is fixed at 16 bits */
  51. typedef u32 acpi_rsdesc_size;   /* Max Resource Descriptor size is (Length+3) = (64K-1)+3 */
  52.  
  53. /*
  54.  * Memory Attributes
  55.  */
  56. #define ACPI_READ_ONLY_MEMORY           (u8) 0x00
  57. #define ACPI_READ_WRITE_MEMORY          (u8) 0x01
  58.  
  59. #define ACPI_NON_CACHEABLE_MEMORY       (u8) 0x00
  60. #define ACPI_CACHABLE_MEMORY            (u8) 0x01
  61. #define ACPI_WRITE_COMBINING_MEMORY     (u8) 0x02
  62. #define ACPI_PREFETCHABLE_MEMORY        (u8) 0x03
  63.  
  64. /*! [Begin] no source code translation */
  65. /*
  66.  * IO Attributes
  67.  * The ISA IO ranges are:     n000-n0FFh,  n400-n4FFh, n800-n8FFh, nC00-nCFFh.
  68.  * The non-ISA IO ranges are: n100-n3FFh,  n500-n7FFh, n900-nBFFh, nCD0-nFFFh.
  69.  */
  70. /*! [End] no source code translation !*/
  71.  
  72. #define ACPI_NON_ISA_ONLY_RANGES        (u8) 0x01
  73. #define ACPI_ISA_ONLY_RANGES            (u8) 0x02
  74. #define ACPI_ENTIRE_RANGE               (ACPI_NON_ISA_ONLY_RANGES | ACPI_ISA_ONLY_RANGES)
  75.  
  76. /* Type of translation - 1=Sparse, 0=Dense */
  77.  
  78. #define ACPI_SPARSE_TRANSLATION         (u8) 0x01
  79.  
  80. /*
  81.  * IO Port Descriptor Decode
  82.  */
  83. #define ACPI_DECODE_10                  (u8) 0x00       /* 10-bit IO address decode */
  84. #define ACPI_DECODE_16                  (u8) 0x01       /* 16-bit IO address decode */
  85.  
  86. /*
  87.  * Interrupt attributes - used in multiple descriptors
  88.  */
  89.  
  90. /* Triggering */
  91.  
  92. #define ACPI_LEVEL_SENSITIVE            (u8) 0x00
  93. #define ACPI_EDGE_SENSITIVE             (u8) 0x01
  94.  
  95. /* Polarity */
  96.  
  97. #define ACPI_ACTIVE_HIGH                (u8) 0x00
  98. #define ACPI_ACTIVE_LOW                 (u8) 0x01
  99. #define ACPI_ACTIVE_BOTH                (u8) 0x02
  100.  
  101. /* Sharing */
  102.  
  103. #define ACPI_EXCLUSIVE                  (u8) 0x00
  104. #define ACPI_SHARED                     (u8) 0x01
  105.  
  106. /* Wake */
  107.  
  108. #define ACPI_NOT_WAKE_CAPABLE           (u8) 0x00
  109. #define ACPI_WAKE_CAPABLE               (u8) 0x01
  110.  
  111. /*
  112.  * DMA Attributes
  113.  */
  114. #define ACPI_COMPATIBILITY              (u8) 0x00
  115. #define ACPI_TYPE_A                     (u8) 0x01
  116. #define ACPI_TYPE_B                     (u8) 0x02
  117. #define ACPI_TYPE_F                     (u8) 0x03
  118.  
  119. #define ACPI_NOT_BUS_MASTER             (u8) 0x00
  120. #define ACPI_BUS_MASTER                 (u8) 0x01
  121.  
  122. #define ACPI_TRANSFER_8                 (u8) 0x00
  123. #define ACPI_TRANSFER_8_16              (u8) 0x01
  124. #define ACPI_TRANSFER_16                (u8) 0x02
  125.  
  126. /*
  127.  * Start Dependent Functions Priority definitions
  128.  */
  129. #define ACPI_GOOD_CONFIGURATION         (u8) 0x00
  130. #define ACPI_ACCEPTABLE_CONFIGURATION   (u8) 0x01
  131. #define ACPI_SUB_OPTIMAL_CONFIGURATION  (u8) 0x02
  132.  
  133. /*
  134.  * 16, 32 and 64-bit Address Descriptor resource types
  135.  */
  136. #define ACPI_MEMORY_RANGE               (u8) 0x00
  137. #define ACPI_IO_RANGE                   (u8) 0x01
  138. #define ACPI_BUS_NUMBER_RANGE           (u8) 0x02
  139.  
  140. #define ACPI_ADDRESS_NOT_FIXED          (u8) 0x00
  141. #define ACPI_ADDRESS_FIXED              (u8) 0x01
  142.  
  143. #define ACPI_POS_DECODE                 (u8) 0x00
  144. #define ACPI_SUB_DECODE                 (u8) 0x01
  145.  
  146. /* Producer/Consumer */
  147.  
  148. #define ACPI_PRODUCER                   (u8) 0x00
  149. #define ACPI_CONSUMER                   (u8) 0x01
  150.  
  151. /*
  152.  * If possible, pack the following structures to byte alignment
  153.  */
  154. #ifndef ACPI_MISALIGNMENT_NOT_SUPPORTED
  155. #pragma pack(1)
  156. #endif
  157.  
  158. /* UUID data structures for use in vendor-defined resource descriptors */
  159.  
  160. struct acpi_uuid {
  161.         u8 data[ACPI_UUID_LENGTH];
  162. };
  163.  
  164. struct acpi_vendor_uuid {
  165.         u8 subtype;
  166.         u8 data[ACPI_UUID_LENGTH];
  167. };
  168.  
  169. /*
  170.  * Structures used to describe device resources
  171.  */
  172. struct acpi_resource_irq {
  173.         u8 descriptor_length;
  174.         u8 triggering;
  175.         u8 polarity;
  176.         u8 sharable;
  177.         u8 wake_capable;
  178.         u8 interrupt_count;
  179.         u8 interrupts[1];
  180. };
  181.  
  182. struct acpi_resource_dma {
  183.         u8 type;
  184.         u8 bus_master;
  185.         u8 transfer;
  186.         u8 channel_count;
  187.         u8 channels[1];
  188. };
  189.  
  190. struct acpi_resource_start_dependent {
  191.         u8 descriptor_length;
  192.         u8 compatibility_priority;
  193.         u8 performance_robustness;
  194. };
  195.  
  196. /*
  197.  * The END_DEPENDENT_FUNCTIONS_RESOURCE struct is not
  198.  * needed because it has no fields
  199.  */
  200.  
  201. struct acpi_resource_io {
  202.         u8 io_decode;
  203.         u8 alignment;
  204.         u8 address_length;
  205.         u16 minimum;
  206.         u16 maximum;
  207. };
  208.  
  209. struct acpi_resource_fixed_io {
  210.         u16 address;
  211.         u8 address_length;
  212. };
  213.  
  214. struct acpi_resource_fixed_dma {
  215.         u16 request_lines;
  216.         u16 channels;
  217.         u8 width;
  218. };
  219.  
  220. /* Values for Width field above */
  221.  
  222. #define ACPI_DMA_WIDTH8                         0
  223. #define ACPI_DMA_WIDTH16                        1
  224. #define ACPI_DMA_WIDTH32                        2
  225. #define ACPI_DMA_WIDTH64                        3
  226. #define ACPI_DMA_WIDTH128                       4
  227. #define ACPI_DMA_WIDTH256                       5
  228.  
  229. struct acpi_resource_vendor {
  230.         u16 byte_length;
  231.         u8 byte_data[1];
  232. };
  233.  
  234. /* Vendor resource with UUID info (introduced in ACPI 3.0) */
  235.  
  236. struct acpi_resource_vendor_typed {
  237.         u16 byte_length;
  238.         u8 uuid_subtype;
  239.         u8 uuid[ACPI_UUID_LENGTH];
  240.         u8 byte_data[1];
  241. };
  242.  
  243. struct acpi_resource_end_tag {
  244.         u8 checksum;
  245. };
  246.  
  247. struct acpi_resource_memory24 {
  248.         u8 write_protect;
  249.         u16 minimum;
  250.         u16 maximum;
  251.         u16 alignment;
  252.         u16 address_length;
  253. };
  254.  
  255. struct acpi_resource_memory32 {
  256.         u8 write_protect;
  257.         u32 minimum;
  258.         u32 maximum;
  259.         u32 alignment;
  260.         u32 address_length;
  261. };
  262.  
  263. struct acpi_resource_fixed_memory32 {
  264.         u8 write_protect;
  265.         u32 address;
  266.         u32 address_length;
  267. };
  268.  
  269. struct acpi_memory_attribute {
  270.         u8 write_protect;
  271.         u8 caching;
  272.         u8 range_type;
  273.         u8 translation;
  274. };
  275.  
  276. struct acpi_io_attribute {
  277.         u8 range_type;
  278.         u8 translation;
  279.         u8 translation_type;
  280.         u8 reserved1;
  281. };
  282.  
  283. union acpi_resource_attribute {
  284.         struct acpi_memory_attribute mem;
  285.         struct acpi_io_attribute io;
  286.  
  287.         /* Used for the *word_space macros */
  288.  
  289.         u8 type_specific;
  290. };
  291.  
  292. struct acpi_resource_source {
  293.         u8 index;
  294.         u16 string_length;
  295.         char *string_ptr;
  296. };
  297.  
  298. /* Fields common to all address descriptors, 16/32/64 bit */
  299.  
  300. #define ACPI_RESOURCE_ADDRESS_COMMON \
  301.         u8                                      resource_type; \
  302.         u8                                      producer_consumer; \
  303.         u8                                      decode; \
  304.         u8                                      min_address_fixed; \
  305.         u8                                      max_address_fixed; \
  306.         union acpi_resource_attribute           info;
  307.  
  308. struct acpi_address16_attribute {
  309.         u16 granularity;
  310.         u16 minimum;
  311.         u16 maximum;
  312.         u16 translation_offset;
  313.         u16 address_length;
  314. };
  315.  
  316. struct acpi_address32_attribute {
  317.         u32 granularity;
  318.         u32 minimum;
  319.         u32 maximum;
  320.         u32 translation_offset;
  321.         u32 address_length;
  322. };
  323.  
  324. struct acpi_address64_attribute {
  325.         u64 granularity;
  326.         u64 minimum;
  327.         u64 maximum;
  328.         u64 translation_offset;
  329.         u64 address_length;
  330. };
  331.  
  332. struct acpi_resource_address {
  333. ACPI_RESOURCE_ADDRESS_COMMON};
  334.  
  335. struct acpi_resource_address16 {
  336.         ACPI_RESOURCE_ADDRESS_COMMON struct acpi_address16_attribute address;
  337.         struct acpi_resource_source resource_source;
  338. };
  339.  
  340. struct acpi_resource_address32 {
  341.         ACPI_RESOURCE_ADDRESS_COMMON struct acpi_address32_attribute address;
  342.         struct acpi_resource_source resource_source;
  343. };
  344.  
  345. struct acpi_resource_address64 {
  346.         ACPI_RESOURCE_ADDRESS_COMMON struct acpi_address64_attribute address;
  347.         struct acpi_resource_source resource_source;
  348. };
  349.  
  350. struct acpi_resource_extended_address64 {
  351.         ACPI_RESOURCE_ADDRESS_COMMON u8 revision_ID;
  352.         struct acpi_address64_attribute address;
  353.         u64 type_specific;
  354. };
  355.  
  356. struct acpi_resource_extended_irq {
  357.         u8 producer_consumer;
  358.         u8 triggering;
  359.         u8 polarity;
  360.         u8 sharable;
  361.         u8 wake_capable;
  362.         u8 interrupt_count;
  363.         struct acpi_resource_source resource_source;
  364.         u32 interrupts[1];
  365. };
  366.  
  367. struct acpi_resource_generic_register {
  368.         u8 space_id;
  369.         u8 bit_width;
  370.         u8 bit_offset;
  371.         u8 access_size;
  372.         u64 address;
  373. };
  374.  
  375. struct acpi_resource_gpio {
  376.         u8 revision_id;
  377.         u8 connection_type;
  378.         u8 producer_consumer;   /* For values, see Producer/Consumer above */
  379.         u8 pin_config;
  380.         u8 sharable;            /* For values, see Interrupt Attributes above */
  381.         u8 wake_capable;        /* For values, see Interrupt Attributes above */
  382.         u8 io_restriction;
  383.         u8 triggering;          /* For values, see Interrupt Attributes above */
  384.         u8 polarity;            /* For values, see Interrupt Attributes above */
  385.         u16 drive_strength;
  386.         u16 debounce_timeout;
  387.         u16 pin_table_length;
  388.         u16 vendor_length;
  389.         struct acpi_resource_source resource_source;
  390.         u16 *pin_table;
  391.         u8 *vendor_data;
  392. };
  393.  
  394. /* Values for GPIO connection_type field above */
  395.  
  396. #define ACPI_RESOURCE_GPIO_TYPE_INT             0
  397. #define ACPI_RESOURCE_GPIO_TYPE_IO              1
  398.  
  399. /* Values for pin_config field above */
  400.  
  401. #define ACPI_PIN_CONFIG_DEFAULT                 0
  402. #define ACPI_PIN_CONFIG_PULLUP                  1
  403. #define ACPI_PIN_CONFIG_PULLDOWN                2
  404. #define ACPI_PIN_CONFIG_NOPULL                  3
  405.  
  406. /* Values for io_restriction field above */
  407.  
  408. #define ACPI_IO_RESTRICT_NONE                   0
  409. #define ACPI_IO_RESTRICT_INPUT                  1
  410. #define ACPI_IO_RESTRICT_OUTPUT                 2
  411. #define ACPI_IO_RESTRICT_NONE_PRESERVE          3
  412.  
  413. /* Common structure for I2C, SPI, and UART serial descriptors */
  414.  
  415. #define ACPI_RESOURCE_SERIAL_COMMON \
  416.         u8                                      revision_id; \
  417.         u8                                      type; \
  418.         u8                                      producer_consumer;   /* For values, see Producer/Consumer above */\
  419.         u8                                      slave_mode; \
  420.         u8                                      type_revision_id; \
  421.         u16                                     type_data_length; \
  422.         u16                                     vendor_length; \
  423.         struct acpi_resource_source             resource_source; \
  424.         u8                                      *vendor_data;
  425.  
  426. struct acpi_resource_common_serialbus {
  427. ACPI_RESOURCE_SERIAL_COMMON};
  428.  
  429. /* Values for the Type field above */
  430.  
  431. #define ACPI_RESOURCE_SERIAL_TYPE_I2C           1
  432. #define ACPI_RESOURCE_SERIAL_TYPE_SPI           2
  433. #define ACPI_RESOURCE_SERIAL_TYPE_UART          3
  434.  
  435. /* Values for slave_mode field above */
  436.  
  437. #define ACPI_CONTROLLER_INITIATED               0
  438. #define ACPI_DEVICE_INITIATED                   1
  439.  
  440. struct acpi_resource_i2c_serialbus {
  441.         ACPI_RESOURCE_SERIAL_COMMON u8 access_mode;
  442.         u16 slave_address;
  443.         u32 connection_speed;
  444. };
  445.  
  446. /* Values for access_mode field above */
  447.  
  448. #define ACPI_I2C_7BIT_MODE                      0
  449. #define ACPI_I2C_10BIT_MODE                     1
  450.  
  451. struct acpi_resource_spi_serialbus {
  452.         ACPI_RESOURCE_SERIAL_COMMON u8 wire_mode;
  453.         u8 device_polarity;
  454.         u8 data_bit_length;
  455.         u8 clock_phase;
  456.         u8 clock_polarity;
  457.         u16 device_selection;
  458.         u32 connection_speed;
  459. };
  460.  
  461. /* Values for wire_mode field above */
  462.  
  463. #define ACPI_SPI_4WIRE_MODE                     0
  464. #define ACPI_SPI_3WIRE_MODE                     1
  465.  
  466. /* Values for device_polarity field above */
  467.  
  468. #define ACPI_SPI_ACTIVE_LOW                     0
  469. #define ACPI_SPI_ACTIVE_HIGH                    1
  470.  
  471. /* Values for clock_phase field above */
  472.  
  473. #define ACPI_SPI_FIRST_PHASE                    0
  474. #define ACPI_SPI_SECOND_PHASE                   1
  475.  
  476. /* Values for clock_polarity field above */
  477.  
  478. #define ACPI_SPI_START_LOW                      0
  479. #define ACPI_SPI_START_HIGH                     1
  480.  
  481. struct acpi_resource_uart_serialbus {
  482.         ACPI_RESOURCE_SERIAL_COMMON u8 endian;
  483.         u8 data_bits;
  484.         u8 stop_bits;
  485.         u8 flow_control;
  486.         u8 parity;
  487.         u8 lines_enabled;
  488.         u16 rx_fifo_size;
  489.         u16 tx_fifo_size;
  490.         u32 default_baud_rate;
  491. };
  492.  
  493. /* Values for Endian field above */
  494.  
  495. #define ACPI_UART_LITTLE_ENDIAN                 0
  496. #define ACPI_UART_BIG_ENDIAN                    1
  497.  
  498. /* Values for data_bits field above */
  499.  
  500. #define ACPI_UART_5_DATA_BITS                   0
  501. #define ACPI_UART_6_DATA_BITS                   1
  502. #define ACPI_UART_7_DATA_BITS                   2
  503. #define ACPI_UART_8_DATA_BITS                   3
  504. #define ACPI_UART_9_DATA_BITS                   4
  505.  
  506. /* Values for stop_bits field above */
  507.  
  508. #define ACPI_UART_NO_STOP_BITS                  0
  509. #define ACPI_UART_1_STOP_BIT                    1
  510. #define ACPI_UART_1P5_STOP_BITS                 2
  511. #define ACPI_UART_2_STOP_BITS                   3
  512.  
  513. /* Values for flow_control field above */
  514.  
  515. #define ACPI_UART_FLOW_CONTROL_NONE             0
  516. #define ACPI_UART_FLOW_CONTROL_HW               1
  517. #define ACPI_UART_FLOW_CONTROL_XON_XOFF         2
  518.  
  519. /* Values for Parity field above */
  520.  
  521. #define ACPI_UART_PARITY_NONE                   0
  522. #define ACPI_UART_PARITY_EVEN                   1
  523. #define ACPI_UART_PARITY_ODD                    2
  524. #define ACPI_UART_PARITY_MARK                   3
  525. #define ACPI_UART_PARITY_SPACE                  4
  526.  
  527. /* Values for lines_enabled bitfield above */
  528.  
  529. #define ACPI_UART_CARRIER_DETECT                (1<<2)
  530. #define ACPI_UART_RING_INDICATOR                (1<<3)
  531. #define ACPI_UART_DATA_SET_READY                (1<<4)
  532. #define ACPI_UART_DATA_TERMINAL_READY           (1<<5)
  533. #define ACPI_UART_CLEAR_TO_SEND                 (1<<6)
  534. #define ACPI_UART_REQUEST_TO_SEND               (1<<7)
  535.  
  536. /* ACPI_RESOURCE_TYPEs */
  537.  
  538. #define ACPI_RESOURCE_TYPE_IRQ                  0
  539. #define ACPI_RESOURCE_TYPE_DMA                  1
  540. #define ACPI_RESOURCE_TYPE_START_DEPENDENT      2
  541. #define ACPI_RESOURCE_TYPE_END_DEPENDENT        3
  542. #define ACPI_RESOURCE_TYPE_IO                   4
  543. #define ACPI_RESOURCE_TYPE_FIXED_IO             5
  544. #define ACPI_RESOURCE_TYPE_VENDOR               6
  545. #define ACPI_RESOURCE_TYPE_END_TAG              7
  546. #define ACPI_RESOURCE_TYPE_MEMORY24             8
  547. #define ACPI_RESOURCE_TYPE_MEMORY32             9
  548. #define ACPI_RESOURCE_TYPE_FIXED_MEMORY32       10
  549. #define ACPI_RESOURCE_TYPE_ADDRESS16            11
  550. #define ACPI_RESOURCE_TYPE_ADDRESS32            12
  551. #define ACPI_RESOURCE_TYPE_ADDRESS64            13
  552. #define ACPI_RESOURCE_TYPE_EXTENDED_ADDRESS64   14      /* ACPI 3.0 */
  553. #define ACPI_RESOURCE_TYPE_EXTENDED_IRQ         15
  554. #define ACPI_RESOURCE_TYPE_GENERIC_REGISTER     16
  555. #define ACPI_RESOURCE_TYPE_GPIO                 17      /* ACPI 5.0 */
  556. #define ACPI_RESOURCE_TYPE_FIXED_DMA            18      /* ACPI 5.0 */
  557. #define ACPI_RESOURCE_TYPE_SERIAL_BUS           19      /* ACPI 5.0 */
  558. #define ACPI_RESOURCE_TYPE_MAX                  19
  559.  
  560. /* Master union for resource descriptors */
  561.  
  562. union acpi_resource_data {
  563.         struct acpi_resource_irq irq;
  564.         struct acpi_resource_dma dma;
  565.         struct acpi_resource_start_dependent start_dpf;
  566.         struct acpi_resource_io io;
  567.         struct acpi_resource_fixed_io fixed_io;
  568.         struct acpi_resource_fixed_dma fixed_dma;
  569.         struct acpi_resource_vendor vendor;
  570.         struct acpi_resource_vendor_typed vendor_typed;
  571.         struct acpi_resource_end_tag end_tag;
  572.         struct acpi_resource_memory24 memory24;
  573.         struct acpi_resource_memory32 memory32;
  574.         struct acpi_resource_fixed_memory32 fixed_memory32;
  575.         struct acpi_resource_address16 address16;
  576.         struct acpi_resource_address32 address32;
  577.         struct acpi_resource_address64 address64;
  578.         struct acpi_resource_extended_address64 ext_address64;
  579.         struct acpi_resource_extended_irq extended_irq;
  580.         struct acpi_resource_generic_register generic_reg;
  581.         struct acpi_resource_gpio gpio;
  582.         struct acpi_resource_i2c_serialbus i2c_serial_bus;
  583.         struct acpi_resource_spi_serialbus spi_serial_bus;
  584.         struct acpi_resource_uart_serialbus uart_serial_bus;
  585.         struct acpi_resource_common_serialbus common_serial_bus;
  586.  
  587.         /* Common fields */
  588.  
  589.         struct acpi_resource_address address;   /* Common 16/32/64 address fields */
  590. };
  591.  
  592. /* Common resource header */
  593.  
  594. struct acpi_resource {
  595.         u32 type;
  596.         u32 length;
  597.         union acpi_resource_data data;
  598. };
  599.  
  600. /* restore default alignment */
  601.  
  602. #pragma pack()
  603.  
  604. #define ACPI_RS_SIZE_NO_DATA                8   /* Id + Length fields */
  605. #define ACPI_RS_SIZE_MIN                    (u32) ACPI_ROUND_UP_TO_NATIVE_WORD (12)
  606. #define ACPI_RS_SIZE(type)                  (u32) (ACPI_RS_SIZE_NO_DATA + sizeof (type))
  607.  
  608. /* Macro for walking resource templates with multiple descriptors */
  609.  
  610. #define ACPI_NEXT_RESOURCE(res) \
  611.         ACPI_ADD_PTR (struct acpi_resource, (res), (res)->length)
  612.  
  613. struct acpi_pci_routing_table {
  614.         u32 length;
  615.         u32 pin;
  616.         u64 address;            /* here for 64-bit alignment */
  617.         u32 source_index;
  618.         char source[4];         /* pad to 64 bits so sizeof() works in all cases */
  619. };
  620.  
  621. #endif                          /* __ACRESTYP_H__ */
  622.