114 lines
2.6 KiB
C
114 lines
2.6 KiB
C
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/*
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* Copyright (C) 2017 Etnaviv Project
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* Copyright (C) 2017 Zodiac Inflight Innovations
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*
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* This program is free software; you can redistribute it and/or modify it
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* under the terms of the GNU General Public License version 2 as published by
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* the Free Software Foundation.
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*
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* This program is distributed in the hope that it will be useful, but WITHOUT
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* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
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* more details.
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*
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* You should have received a copy of the GNU General Public License along with
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* this program. If not, see <http://www.gnu.org/licenses/>.
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*/
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#include "etnaviv_gpu.h"
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struct etnaviv_pm_domain;
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struct etnaviv_pm_signal {
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char name[64];
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u32 data;
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u32 (*sample)(struct etnaviv_gpu *gpu,
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const struct etnaviv_pm_domain *domain,
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const struct etnaviv_pm_signal *signal);
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};
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struct etnaviv_pm_domain {
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char name[64];
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u8 nr_signals;
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const struct etnaviv_pm_signal *signal;
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};
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struct etnaviv_pm_domain_meta {
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const struct etnaviv_pm_domain *domains;
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u32 nr_domains;
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};
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static const struct etnaviv_pm_domain doms_3d[] = {
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};
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static const struct etnaviv_pm_domain doms_2d[] = {
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};
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static const struct etnaviv_pm_domain doms_vg[] = {
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};
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static const struct etnaviv_pm_domain_meta doms_meta[] = {
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{
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.nr_domains = ARRAY_SIZE(doms_3d),
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.domains = &doms_3d[0]
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},
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{
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.nr_domains = ARRAY_SIZE(doms_2d),
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.domains = &doms_2d[0]
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},
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{
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.nr_domains = ARRAY_SIZE(doms_vg),
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.domains = &doms_vg[0]
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}
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};
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int etnaviv_pm_query_dom(struct etnaviv_gpu *gpu,
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struct drm_etnaviv_pm_domain *domain)
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{
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const struct etnaviv_pm_domain_meta *meta = &doms_meta[domain->pipe];
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const struct etnaviv_pm_domain *dom;
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if (domain->iter >= meta->nr_domains)
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return -EINVAL;
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dom = meta->domains + domain->iter;
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domain->id = domain->iter;
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domain->nr_signals = dom->nr_signals;
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strncpy(domain->name, dom->name, sizeof(domain->name));
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domain->iter++;
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if (domain->iter == meta->nr_domains)
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domain->iter = 0xff;
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return 0;
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}
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int etnaviv_pm_query_sig(struct etnaviv_gpu *gpu,
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struct drm_etnaviv_pm_signal *signal)
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{
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const struct etnaviv_pm_domain_meta *meta = &doms_meta[signal->pipe];
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const struct etnaviv_pm_domain *dom;
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const struct etnaviv_pm_signal *sig;
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if (signal->domain >= meta->nr_domains)
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return -EINVAL;
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dom = meta->domains + signal->domain;
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if (signal->iter > dom->nr_signals)
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return -EINVAL;
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sig = &dom->signal[signal->iter];
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signal->id = signal->iter;
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strncpy(signal->name, sig->name, sizeof(signal->name));
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signal->iter++;
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if (signal->iter == dom->nr_signals)
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signal->iter = 0xffff;
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return 0;
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}
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