^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1) // SPDX-License-Identifier: BSD-3-Clause OR GPL-2.0
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2) /******************************************************************************
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3) *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4) * Module Name: utxface - External interfaces, miscellaneous utility functions
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5) *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6) * Copyright (C) 2000 - 2020, Intel Corp.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 7) *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 8) *****************************************************************************/
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 9)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 10) #define EXPORT_ACPI_INTERFACES
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 11)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 12) #include <acpi/acpi.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 13) #include "accommon.h"
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 14) #include "acdebug.h"
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 15)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 16) #define _COMPONENT ACPI_UTILITIES
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 17) ACPI_MODULE_NAME("utxface")
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 18)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 19) /*******************************************************************************
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 20) *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 21) * FUNCTION: acpi_terminate
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 22) *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 23) * PARAMETERS: None
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 24) *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 25) * RETURN: Status
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 26) *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 27) * DESCRIPTION: Shutdown the ACPICA subsystem and release all resources.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 28) *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 29) ******************************************************************************/
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 30) acpi_status ACPI_INIT_FUNCTION acpi_terminate(void)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 31) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 32) acpi_status status;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 33)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 34) ACPI_FUNCTION_TRACE(acpi_terminate);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 35)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 36) /* Shutdown and free all resources */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 37)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 38) acpi_ut_subsystem_shutdown();
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 39)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 40) /* Free the mutex objects */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 41)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 42) acpi_ut_mutex_terminate();
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 43)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 44) /* Now we can shutdown the OS-dependent layer */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 45)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 46) status = acpi_os_terminate();
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 47) return_ACPI_STATUS(status);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 48) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 49)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 50) ACPI_EXPORT_SYMBOL_INIT(acpi_terminate)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 51)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 52) #ifndef ACPI_ASL_COMPILER
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 53) #ifdef ACPI_FUTURE_USAGE
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 54) /*******************************************************************************
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 55) *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 56) * FUNCTION: acpi_subsystem_status
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 57) *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 58) * PARAMETERS: None
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 59) *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 60) * RETURN: Status of the ACPI subsystem
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 61) *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 62) * DESCRIPTION: Other drivers that use the ACPI subsystem should call this
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 63) * before making any other calls, to ensure the subsystem
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 64) * initialized successfully.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 65) *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 66) ******************************************************************************/
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 67) acpi_status acpi_subsystem_status(void)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 68) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 69)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 70) if (acpi_gbl_startup_flags & ACPI_INITIALIZED_OK) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 71) return (AE_OK);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 72) } else {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 73) return (AE_ERROR);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 74) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 75) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 76)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 77) ACPI_EXPORT_SYMBOL(acpi_subsystem_status)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 78)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 79) /*******************************************************************************
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 80) *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 81) * FUNCTION: acpi_get_system_info
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 82) *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 83) * PARAMETERS: out_buffer - A buffer to receive the resources for the
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 84) * device
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 85) *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 86) * RETURN: status - the status of the call
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 87) *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 88) * DESCRIPTION: This function is called to get information about the current
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 89) * state of the ACPI subsystem. It will return system information
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 90) * in the out_buffer.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 91) *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 92) * If the function fails an appropriate status will be returned
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 93) * and the value of out_buffer is undefined.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 94) *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 95) ******************************************************************************/
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 96) acpi_status acpi_get_system_info(struct acpi_buffer *out_buffer)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 97) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 98) struct acpi_system_info *info_ptr;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 99) acpi_status status;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 100)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 101) ACPI_FUNCTION_TRACE(acpi_get_system_info);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 102)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 103) /* Parameter validation */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 104)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 105) status = acpi_ut_validate_buffer(out_buffer);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 106) if (ACPI_FAILURE(status)) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 107) return_ACPI_STATUS(status);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 108) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 109)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 110) /* Validate/Allocate/Clear caller buffer */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 111)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 112) status =
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 113) acpi_ut_initialize_buffer(out_buffer,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 114) sizeof(struct acpi_system_info));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 115) if (ACPI_FAILURE(status)) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 116) return_ACPI_STATUS(status);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 117) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 118)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 119) /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 120) * Populate the return buffer
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 121) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 122) info_ptr = (struct acpi_system_info *)out_buffer->pointer;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 123) info_ptr->acpi_ca_version = ACPI_CA_VERSION;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 124)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 125) /* System flags (ACPI capabilities) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 126)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 127) info_ptr->flags = ACPI_SYS_MODE_ACPI;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 128)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 129) /* Timer resolution - 24 or 32 bits */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 130)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 131) if (acpi_gbl_FADT.flags & ACPI_FADT_32BIT_TIMER) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 132) info_ptr->timer_resolution = 24;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 133) } else {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 134) info_ptr->timer_resolution = 32;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 135) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 136)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 137) /* Clear the reserved fields */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 138)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 139) info_ptr->reserved1 = 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 140) info_ptr->reserved2 = 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 141)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 142) /* Current debug levels */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 143)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 144) info_ptr->debug_layer = acpi_dbg_layer;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 145) info_ptr->debug_level = acpi_dbg_level;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 146)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 147) return_ACPI_STATUS(AE_OK);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 148) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 149)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 150) ACPI_EXPORT_SYMBOL(acpi_get_system_info)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 151)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 152) /*******************************************************************************
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 153) *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 154) * FUNCTION: acpi_get_statistics
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 155) *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 156) * PARAMETERS: stats - Where the statistics are returned
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 157) *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 158) * RETURN: status - the status of the call
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 159) *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 160) * DESCRIPTION: Get the contents of the various system counters
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 161) *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 162) ******************************************************************************/
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 163) acpi_status acpi_get_statistics(struct acpi_statistics *stats)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 164) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 165) ACPI_FUNCTION_TRACE(acpi_get_statistics);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 166)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 167) /* Parameter validation */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 168)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 169) if (!stats) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 170) return_ACPI_STATUS(AE_BAD_PARAMETER);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 171) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 172)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 173) /* Various interrupt-based event counters */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 174)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 175) stats->sci_count = acpi_sci_count;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 176) stats->gpe_count = acpi_gpe_count;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 177)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 178) memcpy(stats->fixed_event_count, acpi_fixed_event_count,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 179) sizeof(acpi_fixed_event_count));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 180)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 181) /* Other counters */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 182)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 183) stats->method_count = acpi_method_count;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 184) return_ACPI_STATUS(AE_OK);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 185) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 186)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 187) ACPI_EXPORT_SYMBOL(acpi_get_statistics)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 188)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 189) /*****************************************************************************
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 190) *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 191) * FUNCTION: acpi_install_initialization_handler
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 192) *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 193) * PARAMETERS: handler - Callback procedure
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 194) * function - Not (currently) used, see below
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 195) *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 196) * RETURN: Status
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 197) *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 198) * DESCRIPTION: Install an initialization handler
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 199) *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 200) * TBD: When a second function is added, must save the Function also.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 201) *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 202) ****************************************************************************/
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 203) acpi_status
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 204) acpi_install_initialization_handler(acpi_init_handler handler, u32 function)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 205) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 206)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 207) if (!handler) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 208) return (AE_BAD_PARAMETER);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 209) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 210)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 211) if (acpi_gbl_init_handler) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 212) return (AE_ALREADY_EXISTS);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 213) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 214)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 215) acpi_gbl_init_handler = handler;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 216) return (AE_OK);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 217) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 218)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 219) ACPI_EXPORT_SYMBOL(acpi_install_initialization_handler)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 220) #endif
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 221)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 222) /*****************************************************************************
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 223) *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 224) * FUNCTION: acpi_purge_cached_objects
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 225) *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 226) * PARAMETERS: None
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 227) *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 228) * RETURN: Status
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 229) *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 230) * DESCRIPTION: Empty all caches (delete the cached objects)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 231) *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 232) ****************************************************************************/
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 233) acpi_status acpi_purge_cached_objects(void)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 234) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 235) ACPI_FUNCTION_TRACE(acpi_purge_cached_objects);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 236)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 237) (void)acpi_os_purge_cache(acpi_gbl_state_cache);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 238) (void)acpi_os_purge_cache(acpi_gbl_operand_cache);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 239) (void)acpi_os_purge_cache(acpi_gbl_ps_node_cache);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 240) (void)acpi_os_purge_cache(acpi_gbl_ps_node_ext_cache);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 241)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 242) return_ACPI_STATUS(AE_OK);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 243) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 244)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 245) ACPI_EXPORT_SYMBOL(acpi_purge_cached_objects)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 246)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 247) /*****************************************************************************
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 248) *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 249) * FUNCTION: acpi_install_interface
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 250) *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 251) * PARAMETERS: interface_name - The interface to install
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 252) *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 253) * RETURN: Status
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 254) *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 255) * DESCRIPTION: Install an _OSI interface to the global list
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 256) *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 257) ****************************************************************************/
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 258) acpi_status acpi_install_interface(acpi_string interface_name)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 259) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 260) acpi_status status;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 261) struct acpi_interface_info *interface_info;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 262)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 263) /* Parameter validation */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 264)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 265) if (!interface_name || (strlen(interface_name) == 0)) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 266) return (AE_BAD_PARAMETER);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 267) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 268)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 269) status = acpi_os_acquire_mutex(acpi_gbl_osi_mutex, ACPI_WAIT_FOREVER);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 270) if (ACPI_FAILURE(status)) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 271) return (status);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 272) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 273)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 274) /* Check if the interface name is already in the global list */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 275)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 276) interface_info = acpi_ut_get_interface(interface_name);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 277) if (interface_info) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 278) /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 279) * The interface already exists in the list. This is OK if the
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 280) * interface has been marked invalid -- just clear the bit.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 281) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 282) if (interface_info->flags & ACPI_OSI_INVALID) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 283) interface_info->flags &= ~ACPI_OSI_INVALID;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 284) status = AE_OK;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 285) } else {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 286) status = AE_ALREADY_EXISTS;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 287) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 288) } else {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 289) /* New interface name, install into the global list */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 290)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 291) status = acpi_ut_install_interface(interface_name);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 292) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 293)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 294) acpi_os_release_mutex(acpi_gbl_osi_mutex);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 295) return (status);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 296) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 297)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 298) ACPI_EXPORT_SYMBOL(acpi_install_interface)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 299)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 300) /*****************************************************************************
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 301) *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 302) * FUNCTION: acpi_remove_interface
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 303) *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 304) * PARAMETERS: interface_name - The interface to remove
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 305) *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 306) * RETURN: Status
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 307) *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 308) * DESCRIPTION: Remove an _OSI interface from the global list
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 309) *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 310) ****************************************************************************/
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 311) acpi_status acpi_remove_interface(acpi_string interface_name)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 312) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 313) acpi_status status;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 314)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 315) /* Parameter validation */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 316)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 317) if (!interface_name || (strlen(interface_name) == 0)) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 318) return (AE_BAD_PARAMETER);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 319) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 320)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 321) status = acpi_os_acquire_mutex(acpi_gbl_osi_mutex, ACPI_WAIT_FOREVER);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 322) if (ACPI_FAILURE(status)) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 323) return (status);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 324) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 325)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 326) status = acpi_ut_remove_interface(interface_name);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 327)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 328) acpi_os_release_mutex(acpi_gbl_osi_mutex);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 329) return (status);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 330) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 331)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 332) ACPI_EXPORT_SYMBOL(acpi_remove_interface)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 333)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 334) /*****************************************************************************
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 335) *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 336) * FUNCTION: acpi_install_interface_handler
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 337) *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 338) * PARAMETERS: handler - The _OSI interface handler to install
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 339) * NULL means "remove existing handler"
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 340) *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 341) * RETURN: Status
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 342) *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 343) * DESCRIPTION: Install a handler for the predefined _OSI ACPI method.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 344) * invoked during execution of the internal implementation of
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 345) * _OSI. A NULL handler simply removes any existing handler.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 346) *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 347) ****************************************************************************/
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 348) acpi_status acpi_install_interface_handler(acpi_interface_handler handler)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 349) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 350) acpi_status status;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 351)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 352) status = acpi_os_acquire_mutex(acpi_gbl_osi_mutex, ACPI_WAIT_FOREVER);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 353) if (ACPI_FAILURE(status)) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 354) return (status);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 355) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 356)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 357) if (handler && acpi_gbl_interface_handler) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 358) status = AE_ALREADY_EXISTS;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 359) } else {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 360) acpi_gbl_interface_handler = handler;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 361) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 362)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 363) acpi_os_release_mutex(acpi_gbl_osi_mutex);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 364) return (status);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 365) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 366)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 367) ACPI_EXPORT_SYMBOL(acpi_install_interface_handler)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 368)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 369) /*****************************************************************************
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 370) *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 371) * FUNCTION: acpi_update_interfaces
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 372) *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 373) * PARAMETERS: action - Actions to be performed during the
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 374) * update
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 375) *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 376) * RETURN: Status
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 377) *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 378) * DESCRIPTION: Update _OSI interface strings, disabling or enabling OS vendor
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 379) * string or/and feature group strings.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 380) *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 381) ****************************************************************************/
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 382) acpi_status acpi_update_interfaces(u8 action)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 383) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 384) acpi_status status;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 385)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 386) status = acpi_os_acquire_mutex(acpi_gbl_osi_mutex, ACPI_WAIT_FOREVER);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 387) if (ACPI_FAILURE(status)) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 388) return (status);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 389) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 390)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 391) status = acpi_ut_update_interfaces(action);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 392)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 393) acpi_os_release_mutex(acpi_gbl_osi_mutex);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 394) return (status);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 395) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 396)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 397) /*****************************************************************************
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 398) *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 399) * FUNCTION: acpi_check_address_range
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 400) *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 401) * PARAMETERS: space_id - Address space ID
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 402) * address - Start address
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 403) * length - Length
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 404) * warn - TRUE if warning on overlap desired
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 405) *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 406) * RETURN: Count of the number of conflicts detected.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 407) *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 408) * DESCRIPTION: Check if the input address range overlaps any of the
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 409) * ASL operation region address ranges.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 410) *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 411) ****************************************************************************/
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 412)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 413) u32
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 414) acpi_check_address_range(acpi_adr_space_type space_id,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 415) acpi_physical_address address,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 416) acpi_size length, u8 warn)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 417) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 418) u32 overlaps;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 419) acpi_status status;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 420)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 421) status = acpi_ut_acquire_mutex(ACPI_MTX_NAMESPACE);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 422) if (ACPI_FAILURE(status)) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 423) return (0);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 424) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 425)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 426) overlaps = acpi_ut_check_address_range(space_id, address,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 427) (u32)length, warn);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 428)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 429) (void)acpi_ut_release_mutex(ACPI_MTX_NAMESPACE);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 430) return (overlaps);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 431) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 432)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 433) ACPI_EXPORT_SYMBOL(acpi_check_address_range)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 434) #endif /* !ACPI_ASL_COMPILER */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 435) /*******************************************************************************
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 436) *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 437) * FUNCTION: acpi_decode_pld_buffer
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 438) *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 439) * PARAMETERS: in_buffer - Buffer returned by _PLD method
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 440) * length - Length of the in_buffer
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 441) * return_buffer - Where the decode buffer is returned
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 442) *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 443) * RETURN: Status and the decoded _PLD buffer. User must deallocate
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 444) * the buffer via ACPI_FREE.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 445) *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 446) * DESCRIPTION: Decode the bit-packed buffer returned by the _PLD method into
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 447) * a local struct that is much more useful to an ACPI driver.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 448) *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 449) ******************************************************************************/
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 450) acpi_status
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 451) acpi_decode_pld_buffer(u8 *in_buffer,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 452) acpi_size length, struct acpi_pld_info **return_buffer)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 453) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 454) struct acpi_pld_info *pld_info;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 455) u32 *buffer = ACPI_CAST_PTR(u32, in_buffer);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 456) u32 dword;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 457)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 458) /* Parameter validation */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 459)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 460) if (!in_buffer || !return_buffer
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 461) || (length < ACPI_PLD_REV1_BUFFER_SIZE)) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 462) return (AE_BAD_PARAMETER);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 463) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 464)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 465) pld_info = ACPI_ALLOCATE_ZEROED(sizeof(struct acpi_pld_info));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 466) if (!pld_info) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 467) return (AE_NO_MEMORY);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 468) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 469)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 470) /* First 32-bit DWord */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 471)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 472) ACPI_MOVE_32_TO_32(&dword, &buffer[0]);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 473) pld_info->revision = ACPI_PLD_GET_REVISION(&dword);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 474) pld_info->ignore_color = ACPI_PLD_GET_IGNORE_COLOR(&dword);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 475) pld_info->red = ACPI_PLD_GET_RED(&dword);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 476) pld_info->green = ACPI_PLD_GET_GREEN(&dword);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 477) pld_info->blue = ACPI_PLD_GET_BLUE(&dword);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 478)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 479) /* Second 32-bit DWord */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 480)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 481) ACPI_MOVE_32_TO_32(&dword, &buffer[1]);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 482) pld_info->width = ACPI_PLD_GET_WIDTH(&dword);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 483) pld_info->height = ACPI_PLD_GET_HEIGHT(&dword);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 484)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 485) /* Third 32-bit DWord */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 486)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 487) ACPI_MOVE_32_TO_32(&dword, &buffer[2]);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 488) pld_info->user_visible = ACPI_PLD_GET_USER_VISIBLE(&dword);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 489) pld_info->dock = ACPI_PLD_GET_DOCK(&dword);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 490) pld_info->lid = ACPI_PLD_GET_LID(&dword);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 491) pld_info->panel = ACPI_PLD_GET_PANEL(&dword);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 492) pld_info->vertical_position = ACPI_PLD_GET_VERTICAL(&dword);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 493) pld_info->horizontal_position = ACPI_PLD_GET_HORIZONTAL(&dword);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 494) pld_info->shape = ACPI_PLD_GET_SHAPE(&dword);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 495) pld_info->group_orientation = ACPI_PLD_GET_ORIENTATION(&dword);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 496) pld_info->group_token = ACPI_PLD_GET_TOKEN(&dword);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 497) pld_info->group_position = ACPI_PLD_GET_POSITION(&dword);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 498) pld_info->bay = ACPI_PLD_GET_BAY(&dword);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 499)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 500) /* Fourth 32-bit DWord */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 501)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 502) ACPI_MOVE_32_TO_32(&dword, &buffer[3]);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 503) pld_info->ejectable = ACPI_PLD_GET_EJECTABLE(&dword);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 504) pld_info->ospm_eject_required = ACPI_PLD_GET_OSPM_EJECT(&dword);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 505) pld_info->cabinet_number = ACPI_PLD_GET_CABINET(&dword);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 506) pld_info->card_cage_number = ACPI_PLD_GET_CARD_CAGE(&dword);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 507) pld_info->reference = ACPI_PLD_GET_REFERENCE(&dword);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 508) pld_info->rotation = ACPI_PLD_GET_ROTATION(&dword);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 509) pld_info->order = ACPI_PLD_GET_ORDER(&dword);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 510)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 511) if (length >= ACPI_PLD_REV2_BUFFER_SIZE) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 512)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 513) /* Fifth 32-bit DWord (Revision 2 of _PLD) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 514)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 515) ACPI_MOVE_32_TO_32(&dword, &buffer[4]);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 516) pld_info->vertical_offset = ACPI_PLD_GET_VERT_OFFSET(&dword);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 517) pld_info->horizontal_offset = ACPI_PLD_GET_HORIZ_OFFSET(&dword);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 518) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 519)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 520) *return_buffer = pld_info;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 521) return (AE_OK);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 522) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 523)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 524) ACPI_EXPORT_SYMBOL(acpi_decode_pld_buffer)
Orange Pi5 kernel
Deprecated Linux kernel 5.10.110 for OrangePi 5/5B/5+ boards
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