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kernel/linux-rt-4.4.41/drivers/acpi/acpica/rsserial.c 13.4 KB
5113f6f70   김현기   kernel add
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  /*******************************************************************************
   *
   * Module Name: rsserial - GPIO/serial_bus resource descriptors
   *
   ******************************************************************************/
  
  /*
   * Copyright (C) 2000 - 2015, Intel Corp.
   * All rights reserved.
   *
   * Redistribution and use in source and binary forms, with or without
   * modification, are permitted provided that the following conditions
   * are met:
   * 1. Redistributions of source code must retain the above copyright
   *    notice, this list of conditions, and the following disclaimer,
   *    without modification.
   * 2. Redistributions in binary form must reproduce at minimum a disclaimer
   *    substantially similar to the "NO WARRANTY" disclaimer below
   *    ("Disclaimer") and any redistribution must be conditioned upon
   *    including a substantially similar Disclaimer requirement for further
   *    binary redistribution.
   * 3. Neither the names of the above-listed copyright holders nor the names
   *    of any contributors may be used to endorse or promote products derived
   *    from this software without specific prior written permission.
   *
   * Alternatively, this software may be distributed under the terms of the
   * GNU General Public License ("GPL") version 2 as published by the Free
   * Software Foundation.
   *
   * NO WARRANTY
   * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
   * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
   * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTIBILITY AND FITNESS FOR
   * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
   * HOLDERS OR CONTRIBUTORS BE LIABLE FOR SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
   * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
   * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
   * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
   * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING
   * IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
   * POSSIBILITY OF SUCH DAMAGES.
   */
  
  #include <acpi/acpi.h>
  #include "accommon.h"
  #include "acresrc.h"
  
  #define _COMPONENT          ACPI_RESOURCES
  ACPI_MODULE_NAME("rsserial")
  
  /*******************************************************************************
   *
   * acpi_rs_convert_gpio
   *
   ******************************************************************************/
  struct acpi_rsconvert_info acpi_rs_convert_gpio[18] = {
  	{ACPI_RSC_INITGET, ACPI_RESOURCE_TYPE_GPIO,
  	 ACPI_RS_SIZE(struct acpi_resource_gpio),
  	 ACPI_RSC_TABLE_SIZE(acpi_rs_convert_gpio)},
  
  	{ACPI_RSC_INITSET, ACPI_RESOURCE_NAME_GPIO,
  	 sizeof(struct aml_resource_gpio),
  	 0},
  
  	/*
  	 * These fields are contiguous in both the source and destination:
  	 * revision_id
  	 * connection_type
  	 */
  	{ACPI_RSC_MOVE8, ACPI_RS_OFFSET(data.gpio.revision_id),
  	 AML_OFFSET(gpio.revision_id),
  	 2},
  
  	{ACPI_RSC_1BITFLAG, ACPI_RS_OFFSET(data.gpio.producer_consumer),
  	 AML_OFFSET(gpio.flags),
  	 0},
  
  	{ACPI_RSC_1BITFLAG, ACPI_RS_OFFSET(data.gpio.sharable),
  	 AML_OFFSET(gpio.int_flags),
  	 3},
  
  	{ACPI_RSC_1BITFLAG, ACPI_RS_OFFSET(data.gpio.wake_capable),
  	 AML_OFFSET(gpio.int_flags),
  	 4},
  
  	{ACPI_RSC_2BITFLAG, ACPI_RS_OFFSET(data.gpio.io_restriction),
  	 AML_OFFSET(gpio.int_flags),
  	 0},
  
  	{ACPI_RSC_1BITFLAG, ACPI_RS_OFFSET(data.gpio.triggering),
  	 AML_OFFSET(gpio.int_flags),
  	 0},
  
  	{ACPI_RSC_2BITFLAG, ACPI_RS_OFFSET(data.gpio.polarity),
  	 AML_OFFSET(gpio.int_flags),
  	 1},
  
  	{ACPI_RSC_MOVE8, ACPI_RS_OFFSET(data.gpio.pin_config),
  	 AML_OFFSET(gpio.pin_config),
  	 1},
  
  	/*
  	 * These fields are contiguous in both the source and destination:
  	 * drive_strength
  	 * debounce_timeout
  	 */
  	{ACPI_RSC_MOVE16, ACPI_RS_OFFSET(data.gpio.drive_strength),
  	 AML_OFFSET(gpio.drive_strength),
  	 2},
  
  	/* Pin Table */
  
  	{ACPI_RSC_COUNT_GPIO_PIN, ACPI_RS_OFFSET(data.gpio.pin_table_length),
  	 AML_OFFSET(gpio.pin_table_offset),
  	 AML_OFFSET(gpio.res_source_offset)},
  
  	{ACPI_RSC_MOVE_GPIO_PIN, ACPI_RS_OFFSET(data.gpio.pin_table),
  	 AML_OFFSET(gpio.pin_table_offset),
  	 0},
  
  	/* Resource Source */
  
  	{ACPI_RSC_MOVE8, ACPI_RS_OFFSET(data.gpio.resource_source.index),
  	 AML_OFFSET(gpio.res_source_index),
  	 1},
  
  	{ACPI_RSC_COUNT_GPIO_RES,
  	 ACPI_RS_OFFSET(data.gpio.resource_source.string_length),
  	 AML_OFFSET(gpio.res_source_offset),
  	 AML_OFFSET(gpio.vendor_offset)},
  
  	{ACPI_RSC_MOVE_GPIO_RES,
  	 ACPI_RS_OFFSET(data.gpio.resource_source.string_ptr),
  	 AML_OFFSET(gpio.res_source_offset),
  	 0},
  
  	/* Vendor Data */
  
  	{ACPI_RSC_COUNT_GPIO_VEN, ACPI_RS_OFFSET(data.gpio.vendor_length),
  	 AML_OFFSET(gpio.vendor_length),
  	 1},
  
  	{ACPI_RSC_MOVE_GPIO_RES, ACPI_RS_OFFSET(data.gpio.vendor_data),
  	 AML_OFFSET(gpio.vendor_offset),
  	 0},
  };
  
  /*******************************************************************************
   *
   * acpi_rs_convert_i2c_serial_bus
   *
   ******************************************************************************/
  
  struct acpi_rsconvert_info acpi_rs_convert_i2c_serial_bus[16] = {
  	{ACPI_RSC_INITGET, ACPI_RESOURCE_TYPE_SERIAL_BUS,
  	 ACPI_RS_SIZE(struct acpi_resource_i2c_serialbus),
  	 ACPI_RSC_TABLE_SIZE(acpi_rs_convert_i2c_serial_bus)},
  
  	{ACPI_RSC_INITSET, ACPI_RESOURCE_NAME_SERIAL_BUS,
  	 sizeof(struct aml_resource_i2c_serialbus),
  	 0},
  
  	{ACPI_RSC_MOVE8, ACPI_RS_OFFSET(data.common_serial_bus.revision_id),
  	 AML_OFFSET(common_serial_bus.revision_id),
  	 1},
  
  	{ACPI_RSC_MOVE8, ACPI_RS_OFFSET(data.common_serial_bus.type),
  	 AML_OFFSET(common_serial_bus.type),
  	 1},
  
  	{ACPI_RSC_1BITFLAG, ACPI_RS_OFFSET(data.common_serial_bus.slave_mode),
  	 AML_OFFSET(common_serial_bus.flags),
  	 0},
  
  	{ACPI_RSC_1BITFLAG,
  	 ACPI_RS_OFFSET(data.common_serial_bus.producer_consumer),
  	 AML_OFFSET(common_serial_bus.flags),
  	 1},
  
  	{ACPI_RSC_MOVE8,
  	 ACPI_RS_OFFSET(data.common_serial_bus.type_revision_id),
  	 AML_OFFSET(common_serial_bus.type_revision_id),
  	 1},
  
  	{ACPI_RSC_MOVE16,
  	 ACPI_RS_OFFSET(data.common_serial_bus.type_data_length),
  	 AML_OFFSET(common_serial_bus.type_data_length),
  	 1},
  
  	/* Vendor data */
  
  	{ACPI_RSC_COUNT_SERIAL_VEN,
  	 ACPI_RS_OFFSET(data.common_serial_bus.vendor_length),
  	 AML_OFFSET(common_serial_bus.type_data_length),
  	 AML_RESOURCE_I2C_MIN_DATA_LEN},
  
  	{ACPI_RSC_MOVE_SERIAL_VEN,
  	 ACPI_RS_OFFSET(data.common_serial_bus.vendor_data),
  	 0,
  	 sizeof(struct aml_resource_i2c_serialbus)},
  
  	/* Resource Source */
  
  	{ACPI_RSC_MOVE8,
  	 ACPI_RS_OFFSET(data.common_serial_bus.resource_source.index),
  	 AML_OFFSET(common_serial_bus.res_source_index),
  	 1},
  
  	{ACPI_RSC_COUNT_SERIAL_RES,
  	 ACPI_RS_OFFSET(data.common_serial_bus.resource_source.string_length),
  	 AML_OFFSET(common_serial_bus.type_data_length),
  	 sizeof(struct aml_resource_common_serialbus)},
  
  	{ACPI_RSC_MOVE_SERIAL_RES,
  	 ACPI_RS_OFFSET(data.common_serial_bus.resource_source.string_ptr),
  	 AML_OFFSET(common_serial_bus.type_data_length),
  	 sizeof(struct aml_resource_common_serialbus)},
  
  	/* I2C bus type specific */
  
  	{ACPI_RSC_1BITFLAG, ACPI_RS_OFFSET(data.i2c_serial_bus.access_mode),
  	 AML_OFFSET(i2c_serial_bus.type_specific_flags),
  	 0},
  
  	{ACPI_RSC_MOVE32, ACPI_RS_OFFSET(data.i2c_serial_bus.connection_speed),
  	 AML_OFFSET(i2c_serial_bus.connection_speed),
  	 1},
  
  	{ACPI_RSC_MOVE16, ACPI_RS_OFFSET(data.i2c_serial_bus.slave_address),
  	 AML_OFFSET(i2c_serial_bus.slave_address),
  	 1},
  };
  
  /*******************************************************************************
   *
   * acpi_rs_convert_spi_serial_bus
   *
   ******************************************************************************/
  
  struct acpi_rsconvert_info acpi_rs_convert_spi_serial_bus[20] = {
  	{ACPI_RSC_INITGET, ACPI_RESOURCE_TYPE_SERIAL_BUS,
  	 ACPI_RS_SIZE(struct acpi_resource_spi_serialbus),
  	 ACPI_RSC_TABLE_SIZE(acpi_rs_convert_spi_serial_bus)},
  
  	{ACPI_RSC_INITSET, ACPI_RESOURCE_NAME_SERIAL_BUS,
  	 sizeof(struct aml_resource_spi_serialbus),
  	 0},
  
  	{ACPI_RSC_MOVE8, ACPI_RS_OFFSET(data.common_serial_bus.revision_id),
  	 AML_OFFSET(common_serial_bus.revision_id),
  	 1},
  
  	{ACPI_RSC_MOVE8, ACPI_RS_OFFSET(data.common_serial_bus.type),
  	 AML_OFFSET(common_serial_bus.type),
  	 1},
  
  	{ACPI_RSC_1BITFLAG, ACPI_RS_OFFSET(data.common_serial_bus.slave_mode),
  	 AML_OFFSET(common_serial_bus.flags),
  	 0},
  
  	{ACPI_RSC_1BITFLAG,
  	 ACPI_RS_OFFSET(data.common_serial_bus.producer_consumer),
  	 AML_OFFSET(common_serial_bus.flags),
  	 1},
  
  	{ACPI_RSC_MOVE8,
  	 ACPI_RS_OFFSET(data.common_serial_bus.type_revision_id),
  	 AML_OFFSET(common_serial_bus.type_revision_id),
  	 1},
  
  	{ACPI_RSC_MOVE16,
  	 ACPI_RS_OFFSET(data.common_serial_bus.type_data_length),
  	 AML_OFFSET(common_serial_bus.type_data_length),
  	 1},
  
  	/* Vendor data */
  
  	{ACPI_RSC_COUNT_SERIAL_VEN,
  	 ACPI_RS_OFFSET(data.common_serial_bus.vendor_length),
  	 AML_OFFSET(common_serial_bus.type_data_length),
  	 AML_RESOURCE_SPI_MIN_DATA_LEN},
  
  	{ACPI_RSC_MOVE_SERIAL_VEN,
  	 ACPI_RS_OFFSET(data.common_serial_bus.vendor_data),
  	 0,
  	 sizeof(struct aml_resource_spi_serialbus)},
  
  	/* Resource Source */
  
  	{ACPI_RSC_MOVE8,
  	 ACPI_RS_OFFSET(data.common_serial_bus.resource_source.index),
  	 AML_OFFSET(common_serial_bus.res_source_index),
  	 1},
  
  	{ACPI_RSC_COUNT_SERIAL_RES,
  	 ACPI_RS_OFFSET(data.common_serial_bus.resource_source.string_length),
  	 AML_OFFSET(common_serial_bus.type_data_length),
  	 sizeof(struct aml_resource_common_serialbus)},
  
  	{ACPI_RSC_MOVE_SERIAL_RES,
  	 ACPI_RS_OFFSET(data.common_serial_bus.resource_source.string_ptr),
  	 AML_OFFSET(common_serial_bus.type_data_length),
  	 sizeof(struct aml_resource_common_serialbus)},
  
  	/* Spi bus type specific  */
  
  	{ACPI_RSC_1BITFLAG, ACPI_RS_OFFSET(data.spi_serial_bus.wire_mode),
  	 AML_OFFSET(spi_serial_bus.type_specific_flags),
  	 0},
  
  	{ACPI_RSC_1BITFLAG, ACPI_RS_OFFSET(data.spi_serial_bus.device_polarity),
  	 AML_OFFSET(spi_serial_bus.type_specific_flags),
  	 1},
  
  	{ACPI_RSC_MOVE8, ACPI_RS_OFFSET(data.spi_serial_bus.data_bit_length),
  	 AML_OFFSET(spi_serial_bus.data_bit_length),
  	 1},
  
  	{ACPI_RSC_MOVE8, ACPI_RS_OFFSET(data.spi_serial_bus.clock_phase),
  	 AML_OFFSET(spi_serial_bus.clock_phase),
  	 1},
  
  	{ACPI_RSC_MOVE8, ACPI_RS_OFFSET(data.spi_serial_bus.clock_polarity),
  	 AML_OFFSET(spi_serial_bus.clock_polarity),
  	 1},
  
  	{ACPI_RSC_MOVE16, ACPI_RS_OFFSET(data.spi_serial_bus.device_selection),
  	 AML_OFFSET(spi_serial_bus.device_selection),
  	 1},
  
  	{ACPI_RSC_MOVE32, ACPI_RS_OFFSET(data.spi_serial_bus.connection_speed),
  	 AML_OFFSET(spi_serial_bus.connection_speed),
  	 1},
  };
  
  /*******************************************************************************
   *
   * acpi_rs_convert_uart_serial_bus
   *
   ******************************************************************************/
  
  struct acpi_rsconvert_info acpi_rs_convert_uart_serial_bus[22] = {
  	{ACPI_RSC_INITGET, ACPI_RESOURCE_TYPE_SERIAL_BUS,
  	 ACPI_RS_SIZE(struct acpi_resource_uart_serialbus),
  	 ACPI_RSC_TABLE_SIZE(acpi_rs_convert_uart_serial_bus)},
  
  	{ACPI_RSC_INITSET, ACPI_RESOURCE_NAME_SERIAL_BUS,
  	 sizeof(struct aml_resource_uart_serialbus),
  	 0},
  
  	{ACPI_RSC_MOVE8, ACPI_RS_OFFSET(data.common_serial_bus.revision_id),
  	 AML_OFFSET(common_serial_bus.revision_id),
  	 1},
  
  	{ACPI_RSC_MOVE8, ACPI_RS_OFFSET(data.common_serial_bus.type),
  	 AML_OFFSET(common_serial_bus.type),
  	 1},
  
  	{ACPI_RSC_1BITFLAG, ACPI_RS_OFFSET(data.common_serial_bus.slave_mode),
  	 AML_OFFSET(common_serial_bus.flags),
  	 0},
  
  	{ACPI_RSC_1BITFLAG,
  	 ACPI_RS_OFFSET(data.common_serial_bus.producer_consumer),
  	 AML_OFFSET(common_serial_bus.flags),
  	 1},
  
  	{ACPI_RSC_MOVE8,
  	 ACPI_RS_OFFSET(data.common_serial_bus.type_revision_id),
  	 AML_OFFSET(common_serial_bus.type_revision_id),
  	 1},
  
  	{ACPI_RSC_MOVE16,
  	 ACPI_RS_OFFSET(data.common_serial_bus.type_data_length),
  	 AML_OFFSET(common_serial_bus.type_data_length),
  	 1},
  
  	/* Vendor data */
  
  	{ACPI_RSC_COUNT_SERIAL_VEN,
  	 ACPI_RS_OFFSET(data.common_serial_bus.vendor_length),
  	 AML_OFFSET(common_serial_bus.type_data_length),
  	 AML_RESOURCE_UART_MIN_DATA_LEN},
  
  	{ACPI_RSC_MOVE_SERIAL_VEN,
  	 ACPI_RS_OFFSET(data.common_serial_bus.vendor_data),
  	 0,
  	 sizeof(struct aml_resource_uart_serialbus)},
  
  	/* Resource Source */
  
  	{ACPI_RSC_MOVE8,
  	 ACPI_RS_OFFSET(data.common_serial_bus.resource_source.index),
  	 AML_OFFSET(common_serial_bus.res_source_index),
  	 1},
  
  	{ACPI_RSC_COUNT_SERIAL_RES,
  	 ACPI_RS_OFFSET(data.common_serial_bus.resource_source.string_length),
  	 AML_OFFSET(common_serial_bus.type_data_length),
  	 sizeof(struct aml_resource_common_serialbus)},
  
  	{ACPI_RSC_MOVE_SERIAL_RES,
  	 ACPI_RS_OFFSET(data.common_serial_bus.resource_source.string_ptr),
  	 AML_OFFSET(common_serial_bus.type_data_length),
  	 sizeof(struct aml_resource_common_serialbus)},
  
  	/* Uart bus type specific  */
  
  	{ACPI_RSC_2BITFLAG, ACPI_RS_OFFSET(data.uart_serial_bus.flow_control),
  	 AML_OFFSET(uart_serial_bus.type_specific_flags),
  	 0},
  
  	{ACPI_RSC_2BITFLAG, ACPI_RS_OFFSET(data.uart_serial_bus.stop_bits),
  	 AML_OFFSET(uart_serial_bus.type_specific_flags),
  	 2},
  
  	{ACPI_RSC_3BITFLAG, ACPI_RS_OFFSET(data.uart_serial_bus.data_bits),
  	 AML_OFFSET(uart_serial_bus.type_specific_flags),
  	 4},
  
  	{ACPI_RSC_1BITFLAG, ACPI_RS_OFFSET(data.uart_serial_bus.endian),
  	 AML_OFFSET(uart_serial_bus.type_specific_flags),
  	 7},
  
  	{ACPI_RSC_MOVE8, ACPI_RS_OFFSET(data.uart_serial_bus.parity),
  	 AML_OFFSET(uart_serial_bus.parity),
  	 1},
  
  	{ACPI_RSC_MOVE8, ACPI_RS_OFFSET(data.uart_serial_bus.lines_enabled),
  	 AML_OFFSET(uart_serial_bus.lines_enabled),
  	 1},
  
  	{ACPI_RSC_MOVE16, ACPI_RS_OFFSET(data.uart_serial_bus.rx_fifo_size),
  	 AML_OFFSET(uart_serial_bus.rx_fifo_size),
  	 1},
  
  	{ACPI_RSC_MOVE16, ACPI_RS_OFFSET(data.uart_serial_bus.tx_fifo_size),
  	 AML_OFFSET(uart_serial_bus.tx_fifo_size),
  	 1},
  
  	{ACPI_RSC_MOVE32,
  	 ACPI_RS_OFFSET(data.uart_serial_bus.default_baud_rate),
  	 AML_OFFSET(uart_serial_bus.default_baud_rate),
  	 1},
  };