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/*
* Copyright (c) 2016-2017, NVIDIA CORPORATION. All rights reserved.
*
* This program is free software; you can redistribute it and/or modify it
* under the terms and conditions of the GNU General Public License,
* version 2, as published by the Free Software Foundation.
*
* This program is distributed in the hope it will be useful, but WITHOUT
* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
* more details.
*/
#include "gk20a/gk20a.h"
#include "boardobj/boardobjgrp.h"
#include "boardobj/boardobjgrp_e32.h"
#include "thrmpmu.h"
#include <nvgpu/pmuif/nvgpu_gpmu_cmdif.h>
struct therm_pmucmdhandler_params {
struct nv_pmu_therm_rpc *prpccall;
u32 success;
};
static void therm_pmucmdhandler(struct gk20a *g, struct pmu_msg *msg,
void *param, u32 handle, u32 status)
{
struct therm_pmucmdhandler_params *phandlerparams =
(struct therm_pmucmdhandler_params *)param;
if (msg->msg.therm.msg_type != NV_PMU_THERM_MSG_ID_RPC) {
nvgpu_err(g, "unknow msg %x",
msg->msg.pmgr.msg_type);
return;
}
if (!phandlerparams->prpccall->b_supported)
nvgpu_err(g, "RPC msg %x failed",
msg->msg.pmgr.msg_type);
else
phandlerparams->success = 1;
}
u32 therm_send_pmgr_tables_to_pmu(struct gk20a *g)
{
u32 status = 0;
struct boardobjgrp *pboardobjgrp = NULL;
if (!BOARDOBJGRP_IS_EMPTY(&g->therm_pmu.therm_deviceobjs.super.super)) {
pboardobjgrp = &g->therm_pmu.therm_deviceobjs.super.super;
status = pboardobjgrp->pmuinithandle(g, pboardobjgrp);
if (status) {
nvgpu_err(g,
"therm_send_pmgr_tables_to_pmu - therm_device failed %x",
status);
goto exit;
}
}
if (!BOARDOBJGRP_IS_EMPTY(
&g->therm_pmu.therm_channelobjs.super.super)) {
pboardobjgrp = &g->therm_pmu.therm_channelobjs.super.super;
status = pboardobjgrp->pmuinithandle(g, pboardobjgrp);
if (status) {
nvgpu_err(g,
"therm_send_pmgr_tables_to_pmu - therm_channel failed %x",
status);
goto exit;
}
}
exit:
return status;
}
static u32 therm_pmu_cmd_post(struct gk20a *g, struct pmu_cmd *cmd,
struct pmu_msg *msg, struct pmu_payload *payload,
u32 queue_id, pmu_callback callback, void* cb_param,
u32 *seq_desc, unsigned long timeout)
{
u32 status;
struct therm_pmucmdhandler_params *handlerparams = NULL;
status = gk20a_pmu_cmd_post(g, cmd, msg, payload,
queue_id,
callback,
cb_param,
seq_desc,
timeout);
if (status) {
nvgpu_err(g,
"unable to post therm cmd for unit %x cmd id %x size %x",
cmd->hdr.unit_id, cmd->cmd.therm.cmd_type, cmd->hdr.size);
goto exit;
}
if (cb_param) {
handlerparams = (struct therm_pmucmdhandler_params*)cb_param;
pmu_wait_message_cond(&g->pmu,
gk20a_get_gr_idle_timeout(g),
&handlerparams->success, 1);
if (handlerparams->success == 0) {
nvgpu_err(g, "could not process cmd\n");
status = -ETIMEDOUT;
goto exit;
}
}
exit:
return status;
}
static u32 therm_set_warn_temp_limit(struct gk20a *g)
{
u32 seqdesc = 0;
struct pmu_cmd cmd;
struct pmu_msg msg;
struct pmu_payload payload;
struct nv_pmu_therm_rpc rpccall;
struct therm_pmucmdhandler_params handlerparams;
memset(&payload, 0, sizeof(struct pmu_payload));
memset(&cmd, 0, sizeof(struct pmu_cmd));
memset(&msg, 0, sizeof(struct pmu_msg));
memset(&rpccall, 0, sizeof(struct nv_pmu_therm_rpc));
memset(&handlerparams, 0, sizeof(struct therm_pmucmdhandler_params));
rpccall.function = NV_PMU_THERM_RPC_ID_SLCT_EVENT_TEMP_TH_SET;
rpccall.params.slct_event_temp_th_set.event_id =
NV_PMU_THERM_EVENT_THERMAL_1;
rpccall.params.slct_event_temp_th_set.temp_threshold = g->curr_warn_temp;
rpccall.b_supported = 0;
cmd.hdr.unit_id = PMU_UNIT_THERM;
cmd.hdr.size = ((u32)sizeof(struct nv_pmu_therm_cmd_rpc) +
(u32)sizeof(struct pmu_hdr));
cmd.cmd.therm.cmd_type = NV_PMU_THERM_CMD_ID_RPC;
msg.hdr.size = sizeof(struct pmu_msg);
payload.in.buf = (u8 *)&rpccall;
payload.in.size = (u32)sizeof(struct nv_pmu_therm_rpc);
payload.in.fb_size = PMU_CMD_SUBMIT_PAYLOAD_PARAMS_FB_SIZE_UNUSED;
payload.in.offset = NV_PMU_THERM_CMD_RPC_ALLOC_OFFSET;
payload.out.buf = (u8 *)&rpccall;
payload.out.size = (u32)sizeof(struct nv_pmu_therm_rpc);
payload.out.fb_size = PMU_CMD_SUBMIT_PAYLOAD_PARAMS_FB_SIZE_UNUSED;
payload.out.offset = NV_PMU_CLK_MSG_RPC_ALLOC_OFFSET;
/* Setup the handler params to communicate back results.*/
handlerparams.success = 0;
handlerparams.prpccall = &rpccall;
return therm_pmu_cmd_post(g, &cmd, NULL, &payload,
PMU_COMMAND_QUEUE_LPQ,
therm_pmucmdhandler,
(void *)&handlerparams,
&seqdesc, ~0);
}
static u32 therm_enable_slct_notification_request(struct gk20a *g)
{
u32 seqdesc = 0;
struct pmu_cmd cmd = { {0} };
cmd.hdr.unit_id = PMU_UNIT_THERM;
cmd.hdr.size = ((u32)sizeof(struct nv_pmu_therm_cmd_hw_slowdown_notification) +
(u32)sizeof(struct pmu_hdr));
cmd.cmd.therm.cmd_type = NV_PMU_THERM_CMD_ID_HW_SLOWDOWN_NOTIFICATION;
cmd.cmd.therm.hw_slct_notification.request =
NV_RM_PMU_THERM_HW_SLOWDOWN_NOTIFICATION_REQUEST_ENABLE;
return therm_pmu_cmd_post(g, &cmd, NULL, NULL,
PMU_COMMAND_QUEUE_LPQ,
NULL,
NULL,
&seqdesc, ~0);
}
static u32 therm_send_slct_configuration_to_pmu(struct gk20a *g)
{
u32 seqdesc = 0;
struct pmu_cmd cmd;
struct pmu_msg msg;
struct pmu_payload payload;
struct nv_pmu_therm_rpc rpccall;
struct therm_pmucmdhandler_params handlerparams;
memset(&payload, 0, sizeof(struct pmu_payload));
memset(&cmd, 0, sizeof(struct pmu_cmd));
memset(&msg, 0, sizeof(struct pmu_msg));
memset(&rpccall, 0, sizeof(struct nv_pmu_therm_rpc));
memset(&handlerparams, 0, sizeof(struct therm_pmucmdhandler_params));
rpccall.function = NV_PMU_THERM_RPC_ID_SLCT;
rpccall.params.slct.mask_enabled =
(1 << NV_PMU_THERM_EVENT_THERMAL_1);
rpccall.b_supported = 0;
cmd.hdr.unit_id = PMU_UNIT_THERM;
cmd.hdr.size = ((u32)sizeof(struct nv_pmu_therm_cmd_rpc) +
(u32)sizeof(struct pmu_hdr));
cmd.cmd.therm.cmd_type = NV_PMU_THERM_CMD_ID_RPC;
msg.hdr.size = sizeof(struct pmu_msg);
payload.in.buf = (u8 *)&rpccall;
payload.in.size = (u32)sizeof(struct nv_pmu_therm_rpc);
payload.in.fb_size = PMU_CMD_SUBMIT_PAYLOAD_PARAMS_FB_SIZE_UNUSED;
payload.in.offset = NV_PMU_THERM_CMD_RPC_ALLOC_OFFSET;
payload.out.buf = (u8 *)&rpccall;
payload.out.size = (u32)sizeof(struct nv_pmu_therm_rpc);
payload.out.fb_size = PMU_CMD_SUBMIT_PAYLOAD_PARAMS_FB_SIZE_UNUSED;
payload.out.offset = NV_PMU_CLK_MSG_RPC_ALLOC_OFFSET;
/* Setup the handler params to communicate back results.*/
handlerparams.success = 0;
handlerparams.prpccall = &rpccall;
return therm_pmu_cmd_post(g, &cmd, NULL, &payload,
PMU_COMMAND_QUEUE_LPQ,
therm_pmucmdhandler,
(void *)&handlerparams,
&seqdesc, ~0);
}
u32 therm_configure_therm_alert(struct gk20a *g)
{
u32 status;
status = therm_enable_slct_notification_request(g);
if (status) {
nvgpu_err(g,
"therm_enable_slct_notification_request-failed %d",
status);
goto exit;
}
status = therm_send_slct_configuration_to_pmu(g);
if (status) {
nvgpu_err(g,
"therm_send_slct_configuration_to_pmu-failed %d",
status);
goto exit;
}
status = therm_set_warn_temp_limit(g);
if (status) {
nvgpu_err(g,
"therm_set_warn_temp_limit-failed %d",
status);
goto exit;
}
exit:
return status;
}
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