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 ***************************************************************************** 39 * Function: dc_stat_get_dmub_notification 40 * 41 * @brief 42 * Calls dmub layer to retrieve dmub notification 43 * 44 * @param 45 * [in] dc: dc structure 46 * [in] notify: dmub notification structure 47 * 48 * @return 49 * None 50 ***************************************************************************** 51 */ 52 void dc_stat_get_dmub_notification(const struct dc *dc, struct dmub_notification *notify) 53 { 54 /** 55 * This function is called without dal and dc locks, so 56 * we shall not modify any dc, dc_dmub_srv or dmub variables 57 * except variables exclusively accessed by this function 58 */ 59 struct dmub_srv *dmub = dc->ctx->dmub_srv->dmub; 60 enum dmub_status status; 61 62 status = dmub_srv_stat_get_notification(dmub, notify); 63 ASSERT(status == DMUB_STATUS_OK); 64 65 /* For HPD/HPD RX, convert dpia port index into link index */ 66 if (notify->type == DMUB_NOTIFICATION_HPD || 67 notify->type == DMUB_NOTIFICATION_HPD_IRQ || 68 notify->type == DMUB_NOTIFICATION_DPIA_NOTIFICATION || 69 notify->type == DMUB_NOTIFICATION_SET_CONFIG_REPLY) { 70 notify->link_index = 71 get_link_index_from_dpia_port_index(dc, notify->link_index); 72 } 73 } 74 75 /** 76 ***************************************************************************** 77 * Function: dc_stat_get_dmub_dataout 78 * 79 * @brief 80 * Calls dmub layer to retrieve dmub gpint dataout 81 * 82 * @param 83 * [in] dc: dc structure 84 * [in] dataout: dmub gpint dataout 85 * 86 * @return 87 * None 88 ***************************************************************************** 89 */ 90 void dc_stat_get_dmub_dataout(const struct dc *dc, uint32_t *dataout) 91 { 92 struct dmub_srv *dmub = dc->ctx->dmub_srv->dmub; 93 enum dmub_status status; 94 95 status = dmub_srv_get_gpint_dataout(dmub, dataout); 96 ASSERT(status == DMUB_STATUS_OK); 97 } 98