312 lines
8.5 KiB
C
312 lines
8.5 KiB
C
/*
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* Copyright 2019 Advanced Micro Devices, Inc.
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*
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* Permission is hereby granted, free of charge, to any person obtaining a
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* copy of this software and associated documentation files (the "Software"),
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* to deal in the Software without restriction, including without limitation
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* the rights to use, copy, modify, merge, publish, distribute, sublicense,
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* and/or sell copies of the Software, and to permit persons to whom the
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* Software is furnished to do so, subject to the following conditions:
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*
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* The above copyright notice and this permission notice shall be included in
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* all copies or substantial portions of the Software.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
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* THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR
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* OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
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* ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
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* OTHER DEALINGS IN THE SOFTWARE.
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*
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* Authors: AMD
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*
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*/
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#include "dc.h"
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#include "dc_dmub_srv.h"
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#include "../dmub/dmub_srv.h"
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#include "dm_helpers.h"
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#define CTX dc_dmub_srv->ctx
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#define DC_LOGGER CTX->logger
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static void dc_dmub_srv_construct(struct dc_dmub_srv *dc_srv, struct dc *dc,
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struct dmub_srv *dmub)
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{
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dc_srv->dmub = dmub;
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dc_srv->ctx = dc->ctx;
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}
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struct dc_dmub_srv *dc_dmub_srv_create(struct dc *dc, struct dmub_srv *dmub)
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{
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struct dc_dmub_srv *dc_srv =
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kzalloc(sizeof(struct dc_dmub_srv), GFP_KERNEL);
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if (dc_srv == NULL) {
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BREAK_TO_DEBUGGER();
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return NULL;
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}
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dc_dmub_srv_construct(dc_srv, dc, dmub);
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return dc_srv;
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}
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void dc_dmub_srv_destroy(struct dc_dmub_srv **dmub_srv)
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{
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if (*dmub_srv) {
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kfree(*dmub_srv);
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*dmub_srv = NULL;
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}
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}
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void dc_dmub_srv_cmd_queue(struct dc_dmub_srv *dc_dmub_srv,
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union dmub_rb_cmd *cmd)
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{
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struct dmub_srv *dmub = dc_dmub_srv->dmub;
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struct dc_context *dc_ctx = dc_dmub_srv->ctx;
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enum dmub_status status;
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status = dmub_srv_cmd_queue(dmub, cmd);
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if (status == DMUB_STATUS_OK)
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return;
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if (status != DMUB_STATUS_QUEUE_FULL)
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goto error;
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/* Execute and wait for queue to become empty again. */
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dc_dmub_srv_cmd_execute(dc_dmub_srv);
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dc_dmub_srv_wait_idle(dc_dmub_srv);
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/* Requeue the command. */
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status = dmub_srv_cmd_queue(dmub, cmd);
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if (status == DMUB_STATUS_OK)
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return;
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error:
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DC_ERROR("Error queuing DMUB command: status=%d\n", status);
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dc_dmub_srv_log_diagnostic_data(dc_dmub_srv);
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}
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void dc_dmub_srv_cmd_execute(struct dc_dmub_srv *dc_dmub_srv)
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{
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struct dmub_srv *dmub = dc_dmub_srv->dmub;
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struct dc_context *dc_ctx = dc_dmub_srv->ctx;
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enum dmub_status status;
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status = dmub_srv_cmd_execute(dmub);
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if (status != DMUB_STATUS_OK) {
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DC_ERROR("Error starting DMUB execution: status=%d\n", status);
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dc_dmub_srv_log_diagnostic_data(dc_dmub_srv);
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}
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}
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void dc_dmub_srv_wait_idle(struct dc_dmub_srv *dc_dmub_srv)
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{
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struct dmub_srv *dmub = dc_dmub_srv->dmub;
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struct dc_context *dc_ctx = dc_dmub_srv->ctx;
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enum dmub_status status;
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status = dmub_srv_wait_for_idle(dmub, 100000);
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if (status != DMUB_STATUS_OK) {
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DC_ERROR("Error waiting for DMUB idle: status=%d\n", status);
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dc_dmub_srv_log_diagnostic_data(dc_dmub_srv);
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}
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}
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void dc_dmub_srv_send_inbox0_cmd(struct dc_dmub_srv *dmub_srv,
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union dmub_inbox0_data_register data)
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{
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struct dmub_srv *dmub = dmub_srv->dmub;
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if (dmub->hw_funcs.send_inbox0_cmd)
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dmub->hw_funcs.send_inbox0_cmd(dmub, data);
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// TODO: Add wait command -- poll register for ACK
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}
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bool dc_dmub_srv_cmd_with_reply_data(struct dc_dmub_srv *dc_dmub_srv, union dmub_rb_cmd *cmd)
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{
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struct dmub_srv *dmub;
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enum dmub_status status;
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if (!dc_dmub_srv || !dc_dmub_srv->dmub)
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return false;
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dmub = dc_dmub_srv->dmub;
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status = dmub_srv_cmd_with_reply_data(dmub, cmd);
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if (status != DMUB_STATUS_OK) {
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DC_LOG_DEBUG("No reply for DMUB command: status=%d\n", status);
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return false;
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}
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return true;
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}
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void dc_dmub_srv_wait_phy_init(struct dc_dmub_srv *dc_dmub_srv)
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{
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struct dmub_srv *dmub = dc_dmub_srv->dmub;
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struct dc_context *dc_ctx = dc_dmub_srv->ctx;
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enum dmub_status status;
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for (;;) {
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/* Wait up to a second for PHY init. */
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status = dmub_srv_wait_for_phy_init(dmub, 1000000);
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if (status == DMUB_STATUS_OK)
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/* Initialization OK */
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break;
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DC_ERROR("DMCUB PHY init failed: status=%d\n", status);
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ASSERT(0);
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if (status != DMUB_STATUS_TIMEOUT)
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/*
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* Server likely initialized or we don't have
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* DMCUB HW support - this won't end.
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*/
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break;
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/* Continue spinning so we don't hang the ASIC. */
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}
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}
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bool dc_dmub_srv_notify_stream_mask(struct dc_dmub_srv *dc_dmub_srv,
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unsigned int stream_mask)
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{
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struct dmub_srv *dmub;
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const uint32_t timeout = 30;
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if (!dc_dmub_srv || !dc_dmub_srv->dmub)
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return false;
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dmub = dc_dmub_srv->dmub;
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return dmub_srv_send_gpint_command(
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dmub, DMUB_GPINT__IDLE_OPT_NOTIFY_STREAM_MASK,
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stream_mask, timeout) == DMUB_STATUS_OK;
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}
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bool dc_dmub_srv_is_restore_required(struct dc_dmub_srv *dc_dmub_srv)
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{
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struct dmub_srv *dmub;
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struct dc_context *dc_ctx;
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union dmub_fw_boot_status boot_status;
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enum dmub_status status;
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if (!dc_dmub_srv || !dc_dmub_srv->dmub)
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return false;
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dmub = dc_dmub_srv->dmub;
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dc_ctx = dc_dmub_srv->ctx;
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status = dmub_srv_get_fw_boot_status(dmub, &boot_status);
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if (status != DMUB_STATUS_OK) {
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DC_ERROR("Error querying DMUB boot status: error=%d\n", status);
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return false;
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}
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return boot_status.bits.restore_required;
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}
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bool dc_dmub_srv_get_dmub_outbox0_msg(const struct dc *dc, struct dmcub_trace_buf_entry *entry)
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{
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struct dmub_srv *dmub = dc->ctx->dmub_srv->dmub;
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return dmub_srv_get_outbox0_msg(dmub, entry);
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}
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void dc_dmub_trace_event_control(struct dc *dc, bool enable)
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{
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dm_helpers_dmub_outbox_interrupt_control(dc->ctx, enable);
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}
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bool dc_dmub_srv_get_diagnostic_data(struct dc_dmub_srv *dc_dmub_srv, struct dmub_diagnostic_data *diag_data)
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{
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if (!dc_dmub_srv || !dc_dmub_srv->dmub || !diag_data)
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return false;
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return dmub_srv_get_diagnostic_data(dc_dmub_srv->dmub, diag_data);
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}
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void dc_dmub_srv_log_diagnostic_data(struct dc_dmub_srv *dc_dmub_srv)
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{
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struct dmub_diagnostic_data diag_data = {0};
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if (!dc_dmub_srv || !dc_dmub_srv->dmub) {
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DC_LOG_ERROR("%s: invalid parameters.", __func__);
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return;
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}
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if (!dc_dmub_srv_get_diagnostic_data(dc_dmub_srv, &diag_data)) {
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DC_LOG_ERROR("%s: dc_dmub_srv_get_diagnostic_data failed.", __func__);
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return;
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}
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DC_LOG_DEBUG(
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"DMCUB STATE\n"
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" dmcub_version : %08x\n"
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" scratch [0] : %08x\n"
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" scratch [1] : %08x\n"
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" scratch [2] : %08x\n"
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" scratch [3] : %08x\n"
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" scratch [4] : %08x\n"
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" scratch [5] : %08x\n"
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" scratch [6] : %08x\n"
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" scratch [7] : %08x\n"
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" scratch [8] : %08x\n"
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" scratch [9] : %08x\n"
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" scratch [10] : %08x\n"
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" scratch [11] : %08x\n"
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" scratch [12] : %08x\n"
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" scratch [13] : %08x\n"
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" scratch [14] : %08x\n"
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" scratch [15] : %08x\n"
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" pc : %08x\n"
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" unk_fault_addr : %08x\n"
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" inst_fault_addr : %08x\n"
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" data_fault_addr : %08x\n"
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" inbox1_rptr : %08x\n"
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" inbox1_wptr : %08x\n"
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" inbox1_size : %08x\n"
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" inbox0_rptr : %08x\n"
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" inbox0_wptr : %08x\n"
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" inbox0_size : %08x\n"
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" is_enabled : %d\n"
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" is_soft_reset : %d\n"
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" is_secure_reset : %d\n"
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" is_traceport_en : %d\n"
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" is_cw0_en : %d\n"
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" is_cw6_en : %d\n",
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diag_data.dmcub_version,
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diag_data.scratch[0],
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diag_data.scratch[1],
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diag_data.scratch[2],
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diag_data.scratch[3],
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diag_data.scratch[4],
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diag_data.scratch[5],
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diag_data.scratch[6],
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diag_data.scratch[7],
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diag_data.scratch[8],
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diag_data.scratch[9],
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diag_data.scratch[10],
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diag_data.scratch[11],
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diag_data.scratch[12],
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diag_data.scratch[13],
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diag_data.scratch[14],
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diag_data.scratch[15],
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diag_data.pc,
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diag_data.undefined_address_fault_addr,
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diag_data.inst_fetch_fault_addr,
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diag_data.data_write_fault_addr,
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diag_data.inbox1_rptr,
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diag_data.inbox1_wptr,
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diag_data.inbox1_size,
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diag_data.inbox0_rptr,
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diag_data.inbox0_wptr,
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diag_data.inbox0_size,
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diag_data.is_dmcub_enabled,
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diag_data.is_dmcub_soft_reset,
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diag_data.is_dmcub_secure_reset,
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diag_data.is_traceport_en,
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diag_data.is_cw0_enabled,
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diag_data.is_cw6_enabled);
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}
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