1/* 2 * Copyright 2020 Advanced Micro Devices, Inc. 3 * 4 * Permission is hereby granted, free of charge, to any person obtaining a 5 * copy of this software and associated documentation files (the "Software"), 6 * to deal in the Software without restriction, including without limitation 7 * the rights to use, copy, modify, merge, publish, distribute, sublicense, 8 * and/or sell copies of the Software, and to permit persons to whom the 9 * Software is furnished to do so, subject to the following conditions: 10 * 11 * The above copyright notice and this permission notice shall be included in 12 * all copies or substantial portions of the Software. 13 * 14 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR 15 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, 16 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL 17 * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR 18 * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, 19 * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR 20 * OTHER DEALINGS IN THE SOFTWARE. 21 * 22 * Authors: AMD 23 */ 24 25#include "dc/dc_stat.h" 26#include "dmub/dmub_srv_stat.h" 27#include "dc_dmub_srv.h" 28 29/** 30 * DOC: DC STAT Interface 31 * 32 * These interfaces are called without acquiring DAL and DC locks. 33 * Hence, there is limitations on whese interfaces can access. Only 34 * variables exclusively defined for these interfaces can be modified. 35 */ 36 37/** 38 * dc_stat_get_dmub_notification 39 * 40 * Calls dmub layer to retrieve dmub notification 41 * 42 * @dc: dc structure 43 * @notify: dmub notification structure 44 * 45 * Returns 46 * None 47 */ 48void dc_stat_get_dmub_notification(const struct dc *dc, struct dmub_notification *notify) 49{ 50 /** 51 * This function is called without dal and dc locks, so 52 * we shall not modify any dc, dc_dmub_srv or dmub variables 53 * except variables exclusively accessed by this function 54 */ 55 struct dmub_srv *dmub = dc->ctx->dmub_srv->dmub; 56 enum dmub_status status; 57 58 status = dmub_srv_stat_get_notification(dmub, notify); 59 ASSERT(status == DMUB_STATUS_OK); 60 61 /* For HPD/HPD RX, convert dpia port index into link index */ 62 if (notify->type == DMUB_NOTIFICATION_HPD || 63 notify->type == DMUB_NOTIFICATION_HPD_IRQ || 64 notify->type == DMUB_NOTIFICATION_DPIA_NOTIFICATION || 65 notify->type == DMUB_NOTIFICATION_SET_CONFIG_REPLY) { 66 notify->link_index = 67 get_link_index_from_dpia_port_index(dc, notify->link_index); 68 } 69} 70 71/** 72 * dc_stat_get_dmub_dataout 73 * 74 * Calls dmub layer to retrieve dmub gpint dataout 75 * 76 * @dc: dc structure 77 * @dataout: dmub gpint dataout 78 * 79 * Returns 80 * None 81 */ 82void dc_stat_get_dmub_dataout(const struct dc *dc, uint32_t *dataout) 83{ 84 struct dmub_srv *dmub = dc->ctx->dmub_srv->dmub; 85 enum dmub_status status; 86 87 status = dmub_srv_get_gpint_dataout(dmub, dataout); 88 ASSERT(status == DMUB_STATUS_OK); 89} 90