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60 lines
2.0 KiB
C
60 lines
2.0 KiB
C
/*
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* Copyright (c) 2015-2019, NVIDIA CORPORATION. All rights reserved.
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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 AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
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* FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
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* DEALINGS IN THE SOFTWARE.
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*/
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#include <nvgpu/log.h>
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#include <nvgpu/io_usermode.h>
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#include <nvgpu/gk20a.h>
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#include <nvgpu/channel.h>
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#include <nvgpu/fifo.h>
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#include <nvgpu/static_analysis.h>
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#include "usermode_gv11b.h"
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#include <nvgpu/hw/gv11b/hw_usermode_gv11b.h>
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u64 gv11b_usermode_base(struct gk20a *g)
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{
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return usermode_cfg0_r();
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}
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u64 gv11b_usermode_bus_base(struct gk20a *g)
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{
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return usermode_cfg0_r();
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}
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u32 gv11b_usermode_doorbell_token(struct nvgpu_channel *ch)
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{
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struct gk20a *g = ch->g;
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struct nvgpu_fifo *f = &g->fifo;
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u32 hw_chid = nvgpu_safe_add_u32(f->channel_base, ch->chid);
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return usermode_notify_channel_pending_id_f(hw_chid);
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}
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void gv11b_usermode_ring_doorbell(struct nvgpu_channel *ch)
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{
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nvgpu_log_info(ch->g, "channel ring door bell %d", ch->chid);
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nvgpu_usermode_writel(ch->g, usermode_notify_channel_pending_r(),
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gv11b_usermode_doorbell_token(ch));
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}
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