^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: evgpeblk - GPE block creation and initialization.
^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) #include <acpi/acpi.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 11) #include "accommon.h"
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 12) #include "acevents.h"
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 13) #include "acnamesp.h"
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 14)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 15) #define _COMPONENT ACPI_EVENTS
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 16) ACPI_MODULE_NAME("evgpeblk")
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 17) #if (!ACPI_REDUCED_HARDWARE) /* Entire module */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 18) /* Local prototypes */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 19) static acpi_status
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 20) acpi_ev_install_gpe_block(struct acpi_gpe_block_info *gpe_block,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 21) u32 interrupt_number);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 22)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 23) static acpi_status
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 24) acpi_ev_create_gpe_info_blocks(struct acpi_gpe_block_info *gpe_block);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 25)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 26) /*******************************************************************************
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 27) *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 28) * FUNCTION: acpi_ev_install_gpe_block
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 29) *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 30) * PARAMETERS: gpe_block - New GPE block
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 31) * interrupt_number - Xrupt to be associated with this
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 32) * GPE block
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 33) *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 34) * RETURN: Status
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 35) *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 36) * DESCRIPTION: Install new GPE block with mutex support
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 37) *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 38) ******************************************************************************/
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 39)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 40) static acpi_status
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 41) acpi_ev_install_gpe_block(struct acpi_gpe_block_info *gpe_block,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 42) u32 interrupt_number)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 43) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 44) struct acpi_gpe_block_info *next_gpe_block;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 45) struct acpi_gpe_xrupt_info *gpe_xrupt_block;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 46) acpi_status status;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 47) acpi_cpu_flags flags;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 48)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 49) ACPI_FUNCTION_TRACE(ev_install_gpe_block);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 50)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 51) status = acpi_ut_acquire_mutex(ACPI_MTX_EVENTS);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 52) if (ACPI_FAILURE(status)) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 53) return_ACPI_STATUS(status);
^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) status =
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 57) acpi_ev_get_gpe_xrupt_block(interrupt_number, &gpe_xrupt_block);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 58) if (ACPI_FAILURE(status)) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 59) goto unlock_and_exit;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 60) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 61)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 62) /* Install the new block at the end of the list with lock */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 63)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 64) flags = acpi_os_acquire_lock(acpi_gbl_gpe_lock);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 65) if (gpe_xrupt_block->gpe_block_list_head) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 66) next_gpe_block = gpe_xrupt_block->gpe_block_list_head;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 67) while (next_gpe_block->next) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 68) next_gpe_block = next_gpe_block->next;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 69) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 70)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 71) next_gpe_block->next = gpe_block;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 72) gpe_block->previous = next_gpe_block;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 73) } else {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 74) gpe_xrupt_block->gpe_block_list_head = gpe_block;
^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) gpe_block->xrupt_block = gpe_xrupt_block;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 78) acpi_os_release_lock(acpi_gbl_gpe_lock, flags);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 79)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 80) unlock_and_exit:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 81) (void)acpi_ut_release_mutex(ACPI_MTX_EVENTS);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 82) return_ACPI_STATUS(status);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 83) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 84)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 85) /*******************************************************************************
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 86) *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 87) * FUNCTION: acpi_ev_delete_gpe_block
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 88) *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 89) * PARAMETERS: gpe_block - Existing GPE block
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 90) *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 91) * RETURN: Status
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 92) *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 93) * DESCRIPTION: Remove a GPE block
^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)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 97) acpi_status acpi_ev_delete_gpe_block(struct acpi_gpe_block_info *gpe_block)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 98) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 99) acpi_status status;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 100) acpi_cpu_flags flags;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 101)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 102) ACPI_FUNCTION_TRACE(ev_install_gpe_block);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 103)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 104) status = acpi_ut_acquire_mutex(ACPI_MTX_EVENTS);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 105) if (ACPI_FAILURE(status)) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 106) return_ACPI_STATUS(status);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 107) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 108)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 109) /* Disable all GPEs in this block */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 110)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 111) status =
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 112) acpi_hw_disable_gpe_block(gpe_block->xrupt_block, gpe_block, NULL);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 113) if (ACPI_FAILURE(status)) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 114) return_ACPI_STATUS(status);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 115) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 116)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 117) if (!gpe_block->previous && !gpe_block->next) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 118)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 119) /* This is the last gpe_block on this interrupt */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 120)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 121) status = acpi_ev_delete_gpe_xrupt(gpe_block->xrupt_block);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 122) if (ACPI_FAILURE(status)) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 123) goto unlock_and_exit;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 124) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 125) } else {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 126) /* Remove the block on this interrupt with lock */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 127)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 128) flags = acpi_os_acquire_lock(acpi_gbl_gpe_lock);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 129) if (gpe_block->previous) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 130) gpe_block->previous->next = gpe_block->next;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 131) } else {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 132) gpe_block->xrupt_block->gpe_block_list_head =
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 133) gpe_block->next;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 134) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 135)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 136) if (gpe_block->next) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 137) gpe_block->next->previous = gpe_block->previous;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 138) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 139)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 140) acpi_os_release_lock(acpi_gbl_gpe_lock, flags);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 141) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 142)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 143) acpi_current_gpe_count -= gpe_block->gpe_count;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 144)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 145) /* Free the gpe_block */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 146)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 147) ACPI_FREE(gpe_block->register_info);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 148) ACPI_FREE(gpe_block->event_info);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 149) ACPI_FREE(gpe_block);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 150)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 151) unlock_and_exit:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 152) status = acpi_ut_release_mutex(ACPI_MTX_EVENTS);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 153) return_ACPI_STATUS(status);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 154) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 155)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 156) /*******************************************************************************
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 157) *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 158) * FUNCTION: acpi_ev_create_gpe_info_blocks
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 159) *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 160) * PARAMETERS: gpe_block - New GPE block
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 161) *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 162) * RETURN: Status
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 163) *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 164) * DESCRIPTION: Create the register_info and event_info blocks for this GPE block
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 165) *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 166) ******************************************************************************/
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 167)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 168) static acpi_status
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 169) acpi_ev_create_gpe_info_blocks(struct acpi_gpe_block_info *gpe_block)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 170) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 171) struct acpi_gpe_register_info *gpe_register_info = NULL;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 172) struct acpi_gpe_event_info *gpe_event_info = NULL;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 173) struct acpi_gpe_event_info *this_event;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 174) struct acpi_gpe_register_info *this_register;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 175) u32 i;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 176) u32 j;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 177) acpi_status status;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 178)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 179) ACPI_FUNCTION_TRACE(ev_create_gpe_info_blocks);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 180)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 181) /* Allocate the GPE register information block */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 182)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 183) gpe_register_info = ACPI_ALLOCATE_ZEROED((acpi_size)gpe_block->
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 184) register_count *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 185) sizeof(struct
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 186) acpi_gpe_register_info));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 187) if (!gpe_register_info) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 188) ACPI_ERROR((AE_INFO,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 189) "Could not allocate the GpeRegisterInfo table"));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 190) return_ACPI_STATUS(AE_NO_MEMORY);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 191) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 192)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 193) /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 194) * Allocate the GPE event_info block. There are eight distinct GPEs
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 195) * per register. Initialization to zeros is sufficient.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 196) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 197) gpe_event_info = ACPI_ALLOCATE_ZEROED((acpi_size)gpe_block->gpe_count *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 198) sizeof(struct
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 199) acpi_gpe_event_info));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 200) if (!gpe_event_info) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 201) ACPI_ERROR((AE_INFO,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 202) "Could not allocate the GpeEventInfo table"));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 203) status = AE_NO_MEMORY;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 204) goto error_exit;
^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) /* Save the new Info arrays in the GPE block */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 208)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 209) gpe_block->register_info = gpe_register_info;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 210) gpe_block->event_info = gpe_event_info;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 211)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 212) /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 213) * Initialize the GPE Register and Event structures. A goal of these
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 214) * tables is to hide the fact that there are two separate GPE register
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 215) * sets in a given GPE hardware block, the status registers occupy the
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 216) * first half, and the enable registers occupy the second half.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 217) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 218) this_register = gpe_register_info;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 219) this_event = gpe_event_info;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 220)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 221) for (i = 0; i < gpe_block->register_count; i++) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 222)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 223) /* Init the register_info for this GPE register (8 GPEs) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 224)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 225) this_register->base_gpe_number = (u16)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 226) (gpe_block->block_base_number +
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 227) (i * ACPI_GPE_REGISTER_WIDTH));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 228)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 229) this_register->status_address.address = gpe_block->address + i;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 230)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 231) this_register->enable_address.address =
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 232) gpe_block->address + i + gpe_block->register_count;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 233)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 234) this_register->status_address.space_id = gpe_block->space_id;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 235) this_register->enable_address.space_id = gpe_block->space_id;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 236)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 237) /* Init the event_info for each GPE within this register */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 238)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 239) for (j = 0; j < ACPI_GPE_REGISTER_WIDTH; j++) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 240) this_event->gpe_number =
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 241) (u8) (this_register->base_gpe_number + j);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 242) this_event->register_info = this_register;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 243) this_event++;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 244) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 245)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 246) /* Disable all GPEs within this register */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 247)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 248) status = acpi_hw_gpe_write(0x00, &this_register->enable_address);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 249) if (ACPI_FAILURE(status)) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 250) goto error_exit;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 251) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 252)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 253) /* Clear any pending GPE events within this register */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 254)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 255) status = acpi_hw_gpe_write(0xFF, &this_register->status_address);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 256) if (ACPI_FAILURE(status)) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 257) goto error_exit;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 258) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 259)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 260) this_register++;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 261) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 262)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 263) return_ACPI_STATUS(AE_OK);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 264)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 265) error_exit:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 266) if (gpe_register_info) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 267) ACPI_FREE(gpe_register_info);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 268) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 269) if (gpe_event_info) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 270) ACPI_FREE(gpe_event_info);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 271) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 272)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 273) return_ACPI_STATUS(status);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 274) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 275)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 276) /*******************************************************************************
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 277) *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 278) * FUNCTION: acpi_ev_create_gpe_block
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 279) *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 280) * PARAMETERS: gpe_device - Handle to the parent GPE block
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 281) * gpe_block_address - Address and space_ID
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 282) * register_count - Number of GPE register pairs in the block
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 283) * gpe_block_base_number - Starting GPE number for the block
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 284) * interrupt_number - H/W interrupt for the block
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 285) * return_gpe_block - Where the new block descriptor is returned
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 286) *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 287) * RETURN: Status
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 288) *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 289) * DESCRIPTION: Create and Install a block of GPE registers. All GPEs within
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 290) * the block are disabled at exit.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 291) * Note: Assumes namespace is locked.
^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)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 295) acpi_status
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 296) acpi_ev_create_gpe_block(struct acpi_namespace_node *gpe_device,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 297) u64 address,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 298) u8 space_id,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 299) u32 register_count,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 300) u16 gpe_block_base_number,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 301) u32 interrupt_number,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 302) struct acpi_gpe_block_info **return_gpe_block)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 303) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 304) acpi_status status;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 305) struct acpi_gpe_block_info *gpe_block;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 306) struct acpi_gpe_walk_info walk_info;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 307)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 308) ACPI_FUNCTION_TRACE(ev_create_gpe_block);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 309)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 310) if (!register_count) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 311) return_ACPI_STATUS(AE_OK);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 312) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 313)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 314) /* Validate the space_ID */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 315)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 316) if ((space_id != ACPI_ADR_SPACE_SYSTEM_MEMORY) &&
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 317) (space_id != ACPI_ADR_SPACE_SYSTEM_IO)) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 318) ACPI_ERROR((AE_INFO,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 319) "Unsupported address space: 0x%X", space_id));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 320) return_ACPI_STATUS(AE_SUPPORT);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 321) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 322)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 323) if (space_id == ACPI_ADR_SPACE_SYSTEM_IO) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 324) status = acpi_hw_validate_io_block(address,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 325) ACPI_GPE_REGISTER_WIDTH,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 326) register_count);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 327) if (ACPI_FAILURE(status))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 328) return_ACPI_STATUS(status);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 329) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 330)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 331) /* Allocate a new GPE block */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 332)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 333) gpe_block = ACPI_ALLOCATE_ZEROED(sizeof(struct acpi_gpe_block_info));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 334) if (!gpe_block) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 335) return_ACPI_STATUS(AE_NO_MEMORY);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 336) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 337)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 338) /* Initialize the new GPE block */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 339)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 340) gpe_block->address = address;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 341) gpe_block->space_id = space_id;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 342) gpe_block->node = gpe_device;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 343) gpe_block->gpe_count = (u16)(register_count * ACPI_GPE_REGISTER_WIDTH);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 344) gpe_block->initialized = FALSE;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 345) gpe_block->register_count = register_count;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 346) gpe_block->block_base_number = gpe_block_base_number;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 347)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 348) /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 349) * Create the register_info and event_info sub-structures
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 350) * Note: disables and clears all GPEs in the block
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 351) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 352) status = acpi_ev_create_gpe_info_blocks(gpe_block);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 353) if (ACPI_FAILURE(status)) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 354) ACPI_FREE(gpe_block);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 355) return_ACPI_STATUS(status);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 356) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 357)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 358) /* Install the new block in the global lists */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 359)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 360) status = acpi_ev_install_gpe_block(gpe_block, interrupt_number);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 361) if (ACPI_FAILURE(status)) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 362) ACPI_FREE(gpe_block->register_info);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 363) ACPI_FREE(gpe_block->event_info);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 364) ACPI_FREE(gpe_block);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 365) return_ACPI_STATUS(status);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 366) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 367)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 368) acpi_gbl_all_gpes_initialized = FALSE;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 369)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 370) /* Find all GPE methods (_Lxx or_Exx) for this block */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 371)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 372) walk_info.gpe_block = gpe_block;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 373) walk_info.gpe_device = gpe_device;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 374) walk_info.execute_by_owner_id = FALSE;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 375)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 376) (void)acpi_ns_walk_namespace(ACPI_TYPE_METHOD, gpe_device,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 377) ACPI_UINT32_MAX, ACPI_NS_WALK_NO_UNLOCK,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 378) acpi_ev_match_gpe_method, NULL, &walk_info,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 379) NULL);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 380)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 381) /* Return the new block */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 382)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 383) if (return_gpe_block) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 384) (*return_gpe_block) = gpe_block;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 385) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 386)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 387) ACPI_DEBUG_PRINT_RAW((ACPI_DB_INIT,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 388) " Initialized GPE %02X to %02X [%4.4s] %u regs on interrupt 0x%X%s\n",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 389) (u32)gpe_block->block_base_number,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 390) (u32)(gpe_block->block_base_number +
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 391) (gpe_block->gpe_count - 1)),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 392) gpe_device->name.ascii, gpe_block->register_count,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 393) interrupt_number,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 394) interrupt_number ==
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 395) acpi_gbl_FADT.sci_interrupt ? " (SCI)" : ""));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 396)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 397) /* Update global count of currently available GPEs */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 398)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 399) acpi_current_gpe_count += gpe_block->gpe_count;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 400) return_ACPI_STATUS(AE_OK);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 401) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 402)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 403) /*******************************************************************************
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 404) *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 405) * FUNCTION: acpi_ev_initialize_gpe_block
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 406) *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 407) * PARAMETERS: acpi_gpe_callback
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 408) *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 409) * RETURN: Status
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 410) *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 411) * DESCRIPTION: Initialize and enable a GPE block. Enable GPEs that have
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 412) * associated methods.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 413) * Note: Assumes namespace is locked.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 414) *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 415) ******************************************************************************/
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 416)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 417) acpi_status
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 418) acpi_ev_initialize_gpe_block(struct acpi_gpe_xrupt_info *gpe_xrupt_info,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 419) struct acpi_gpe_block_info *gpe_block,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 420) void *context)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 421) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 422) acpi_status status;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 423) struct acpi_gpe_event_info *gpe_event_info;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 424) u32 gpe_enabled_count;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 425) u32 gpe_index;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 426) u32 i;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 427) u32 j;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 428) u8 *is_polling_needed = context;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 429) ACPI_ERROR_ONLY(u32 gpe_number);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 430)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 431) ACPI_FUNCTION_TRACE(ev_initialize_gpe_block);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 432)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 433) /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 434) * Ignore a null GPE block (e.g., if no GPE block 1 exists), and
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 435) * any GPE blocks that have been initialized already.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 436) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 437) if (!gpe_block || gpe_block->initialized) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 438) return_ACPI_STATUS(AE_OK);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 439) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 440)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 441) /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 442) * Enable all GPEs that have a corresponding method and have the
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 443) * ACPI_GPE_CAN_WAKE flag unset. Any other GPEs within this block
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 444) * must be enabled via the acpi_enable_gpe() interface.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 445) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 446) gpe_enabled_count = 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 447)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 448) for (i = 0; i < gpe_block->register_count; i++) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 449) for (j = 0; j < ACPI_GPE_REGISTER_WIDTH; j++) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 450)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 451) /* Get the info block for this particular GPE */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 452)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 453) gpe_index = (i * ACPI_GPE_REGISTER_WIDTH) + j;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 454) gpe_event_info = &gpe_block->event_info[gpe_index];
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 455) ACPI_ERROR_ONLY(gpe_number =
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 456) gpe_block->block_base_number +
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 457) gpe_index);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 458) gpe_event_info->flags |= ACPI_GPE_INITIALIZED;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 459)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 460) /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 461) * Ignore GPEs that have no corresponding _Lxx/_Exx method
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 462) * and GPEs that are used for wakeup
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 463) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 464) if ((ACPI_GPE_DISPATCH_TYPE(gpe_event_info->flags) !=
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 465) ACPI_GPE_DISPATCH_METHOD)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 466) || (gpe_event_info->flags & ACPI_GPE_CAN_WAKE)) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 467) continue;
^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) status = acpi_ev_add_gpe_reference(gpe_event_info, FALSE);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 471) if (ACPI_FAILURE(status)) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 472) ACPI_EXCEPTION((AE_INFO, status,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 473) "Could not enable GPE 0x%02X",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 474) gpe_number));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 475) continue;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 476) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 477)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 478) gpe_event_info->flags |= ACPI_GPE_AUTO_ENABLED;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 479)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 480) if (is_polling_needed &&
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 481) ACPI_GPE_IS_POLLING_NEEDED(gpe_event_info)) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 482) *is_polling_needed = TRUE;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 483) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 484)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 485) gpe_enabled_count++;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 486) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 487) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 488)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 489) if (gpe_enabled_count) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 490) ACPI_INFO(("Enabled %u GPEs in block %02X to %02X",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 491) gpe_enabled_count, (u32)gpe_block->block_base_number,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 492) (u32)(gpe_block->block_base_number +
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 493) (gpe_block->gpe_count - 1))));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 494) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 495)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 496) gpe_block->initialized = TRUE;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 497)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 498) return_ACPI_STATUS(AE_OK);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 499) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 500)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 501) #endif /* !ACPI_REDUCED_HARDWARE */
Orange Pi5 kernel
Deprecated Linux kernel 5.10.110 for OrangePi 5/5B/5+ boards
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