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95 lines
3.1 KiB
C
95 lines
3.1 KiB
C
/*
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Copyright (c) 2016, Raspberry Pi (Trading) Ltd
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All rights reserved.
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Redistribution and use in source and binary forms, with or without
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modification, are permitted provided that the following conditions are met:
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* Redistributions of source code must retain the above copyright
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notice, this list of conditions and the following disclaimer.
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* Redistributions in binary form must reproduce the above copyright
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notice, this list of conditions and the following disclaimer in the
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documentation and/or other materials provided with the distribution.
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* Neither the name of the copyright holder nor the
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names of its contributors may be used to endorse or promote products
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derived from this software without specific prior written permission.
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THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND
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ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
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WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
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DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY
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DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
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(INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
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LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
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ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
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SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*/
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#ifndef VC_VCHI_GPUSERV_H
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#define VC_VCHI_GPUSERV_H
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#include "interface/vchiq_arm/vchiq.h"
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// these go in command word of gpu_job_s
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// EXECUTE_VPU and EXECUTE_QPU are valid from host
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enum { EXECUTE_NONE, EXECUTE_VPU, EXECUTE_QPU, EXECUTE_SYNC, LAUNCH_VPU1 };
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struct vpu_job_s {
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// these are function address and parameters for vpu job
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uint32_t q[7];
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uint32_t dummy[21];
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};
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struct qpu_job_s {
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// parameters for qpu job
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uint32_t jobs;
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uint32_t noflush;
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uint32_t timeout;
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uint32_t dummy;
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uint32_t control[12][2];
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};
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struct sync_job_s {
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// parameters for syncjob
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// bit 0 set means wait for preceding vpu jobs to complete
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// bit 1 set means wait for preceding qpu jobs to complete
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uint32_t mask;
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uint32_t dummy[27];
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};
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struct gpu_callback_s {
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// callback to call when complete (can be NULL)
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void (*func)();
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void *cookie;
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};
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struct gpu_internal_s {
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void *message;
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int refcount;
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};
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struct gpu_job_s {
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// from enum above
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uint32_t command;
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// qpu or vpu jobs
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union {
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struct vpu_job_s v;
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struct qpu_job_s q;
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struct sync_job_s s;
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} u;
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// callback function to call when complete
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struct gpu_callback_s callback;
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// for internal use - leave as zero
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struct gpu_internal_s internal;
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};
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/* Initialise gpu service. Returns its interface number. This initialises
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the host side of the interface, it does not send anything to VideoCore. */
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VCHPRE_ int32_t VCHPOST_ vc_gpuserv_init(void);
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VCHPRE_ void VCHPOST_ vc_gpuserv_deinit(void);
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VCHPRE_ int32_t VCHPOST_ vc_gpuserv_execute_code(int num_jobs, struct gpu_job_s jobs[]);
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#endif
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