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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 "thrmchannel.h"
#include "include/bios.h"
#include "boardobj/boardobjgrp.h"
#include "boardobj/boardobjgrp_e32.h"
#include <nvgpu/pmuif/nvgpu_gpmu_cmdif.h>
#include "gm206/bios_gm206.h"
#include "gk20a/pmu_gk20a.h"
static u32 _therm_channel_pmudatainit_device(struct gk20a *g,
struct boardobj *board_obj_ptr,
struct nv_pmu_boardobj *ppmudata)
{
u32 status = 0;
struct therm_channel *pchannel;
struct therm_channel_device *ptherm_channel;
struct nv_pmu_therm_therm_channel_device_boardobj_set *pset;
status = boardobj_pmudatainit_super(g, board_obj_ptr, ppmudata);
if (status) {
gk20a_err(dev_from_gk20a(g),
"error updating pmu boardobjgrp for therm channel 0x%x",
status);
status = -ENOMEM;
goto done;
}
pchannel = (struct therm_channel *)board_obj_ptr;
pset = (struct nv_pmu_therm_therm_channel_device_boardobj_set *)ppmudata;
ptherm_channel = (struct therm_channel_device *)board_obj_ptr;
pset->super.scaling = pchannel->scaling;
pset->super.offset = pchannel->offset;
pset->super.temp_min = pchannel->temp_min;
pset->super.temp_max = pchannel->temp_max;
pset->therm_dev_idx = ptherm_channel->therm_dev_idx;
pset->therm_dev_prov_idx = ptherm_channel->therm_dev_prov_idx;
done:
return status;
}
static struct boardobj *construct_channel_device(struct gk20a *g,
void *pargs, u16 pargs_size, u8 type)
{
struct boardobj *board_obj_ptr = NULL;
struct therm_channel *pchannel;
struct therm_channel_device *pchannel_device;
u32 status;
struct therm_channel_device *therm_device = (struct therm_channel_device*)pargs;
status = boardobj_construct_super(g, &board_obj_ptr,
pargs_size, pargs);
if (status)
return NULL;
/* Set Super class interfaces */
board_obj_ptr->pmudatainit = _therm_channel_pmudatainit_device;
pchannel = (struct therm_channel *)board_obj_ptr;
pchannel_device = (struct therm_channel_device *)board_obj_ptr;
g->ops.therm.get_internal_sensor_limits(&pchannel->temp_max,
&pchannel->temp_min);
pchannel->scaling = (1 << 8);
pchannel->offset = 0;
pchannel_device->therm_dev_idx = therm_device->therm_dev_idx;
pchannel_device->therm_dev_prov_idx = therm_device->therm_dev_prov_idx;
gk20a_dbg_info(" Done");
return board_obj_ptr;
}
static u32 _therm_channel_pmudata_instget(struct gk20a *g,
struct nv_pmu_boardobjgrp *pmuboardobjgrp,
struct nv_pmu_boardobj **ppboardobjpmudata,
u8 idx)
{
struct nv_pmu_therm_therm_channel_boardobj_grp_set *pgrp_set =
(struct nv_pmu_therm_therm_channel_boardobj_grp_set *)
pmuboardobjgrp;
gk20a_dbg_info("");
/*check whether pmuboardobjgrp has a valid boardobj in index*/
if (((u32)BIT(idx) &
pgrp_set->hdr.data.super.obj_mask.super.data[0]) == 0)
return -EINVAL;
*ppboardobjpmudata = (struct nv_pmu_boardobj *)
&pgrp_set->objects[idx].data.board_obj;
gk20a_dbg_info(" Done");
return 0;
}
static u32 devinit_get_therm_channel_table(struct gk20a *g,
struct therm_channels *pthermchannelobjs)
{
u32 status = 0;
u8 *therm_channel_table_ptr = NULL;
u8 *curr_therm_channel_table_ptr = NULL;
struct boardobj *boardobj;
struct therm_channel_1x_header therm_channel_table_header = { 0 };
struct therm_channel_1x_entry *therm_channel_table_entry = NULL;
u32 index;
u32 obj_index = 0;
u16 therm_channel_size = 0;
union {
struct boardobj boardobj;
struct therm_channel therm_channel;
struct therm_channel_device device;
} therm_channel_data;
gk20a_dbg_info("");
if (!g->ops.bios.get_perf_table_ptrs)
return -EINVAL;
therm_channel_table_ptr = (u8 *)g->ops.bios.get_perf_table_ptrs(g,
g->bios.perf_token, THERMAL_CHANNEL_TABLE);
if (therm_channel_table_ptr == NULL) {
status = -EINVAL;
goto done;
}
memcpy(&therm_channel_table_header, therm_channel_table_ptr,
VBIOS_THERM_CHANNEL_1X_HEADER_SIZE_09);
if (therm_channel_table_header.version !=
VBIOS_THERM_CHANNEL_VERSION_1X) {
status = -EINVAL;
goto done;
}
if (therm_channel_table_header.header_size <
VBIOS_THERM_CHANNEL_1X_HEADER_SIZE_09) {
status = -EINVAL;
goto done;
}
curr_therm_channel_table_ptr = (therm_channel_table_ptr +
VBIOS_THERM_CHANNEL_1X_HEADER_SIZE_09);
for (index = 0; index < therm_channel_table_header.num_table_entries;
index++) {
therm_channel_table_entry = (struct therm_channel_1x_entry *)
(curr_therm_channel_table_ptr +
(therm_channel_table_header.table_entry_size * index));
if (therm_channel_table_entry->class_id !=
NV_VBIOS_THERM_CHANNEL_1X_ENTRY_CLASS_DEVICE) {
continue;
}
therm_channel_data.device.therm_dev_idx = therm_channel_table_entry->param0;
therm_channel_data.device.therm_dev_prov_idx = therm_channel_table_entry->param1;
therm_channel_size = sizeof(struct therm_channel_device);
therm_channel_data.boardobj.type = CTRL_THERMAL_THERM_CHANNEL_CLASS_DEVICE;
boardobj = construct_channel_device(g, &therm_channel_data,
therm_channel_size, therm_channel_data.boardobj.type);
if (!boardobj) {
gk20a_err(dev_from_gk20a(g),
"unable to create thermal device for %d type %d",
index, therm_channel_data.boardobj.type);
status = -EINVAL;
goto done;
}
status = boardobjgrp_objinsert(&pthermchannelobjs->super.super,
boardobj, obj_index);
if (status) {
gk20a_err(dev_from_gk20a(g),
"unable to insert thermal device boardobj for %d", index);
status = -EINVAL;
goto done;
}
++obj_index;
}
done:
gk20a_dbg_info(" done status %x", status);
return status;
}
u32 therm_channel_sw_setup(struct gk20a *g)
{
u32 status;
struct boardobjgrp *pboardobjgrp = NULL;
struct therm_channels *pthermchannelobjs;
/* Construct the Super Class and override the Interfaces */
status = boardobjgrpconstruct_e32(&g->therm_pmu.therm_channelobjs.super);
if (status) {
gk20a_err(dev_from_gk20a(g),
"error creating boardobjgrp for therm devices, status - 0x%x",
status);
goto done;
}
pboardobjgrp = &g->therm_pmu.therm_channelobjs.super.super;
pthermchannelobjs = &(g->therm_pmu.therm_channelobjs);
/* Override the Interfaces */
pboardobjgrp->pmudatainstget = _therm_channel_pmudata_instget;
status = devinit_get_therm_channel_table(g, pthermchannelobjs);
if (status)
goto done;
BOARDOBJGRP_PMU_CONSTRUCT(pboardobjgrp, THERM, THERM_CHANNEL);
status = BOARDOBJGRP_PMU_CMD_GRP_SET_CONSTRUCT(g, pboardobjgrp,
therm, THERM, therm_channel, THERM_CHANNEL);
if (status) {
gk20a_err(dev_from_gk20a(g),
"error constructing PMU_BOARDOBJ_CMD_GRP_SET interface - 0x%x",
status);
goto done;
}
done:
gk20a_dbg_info(" done status %x", status);
return status;
}
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