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      1 /* -*- mode: C; c-file-style: "k&r"; tab-width 4; indent-tabs-mode: t; -*- */
      2 
      3 /*
      4  * Copyright (C) 2012 Rob Clark <robclark (at) freedesktop.org>
      5  *
      6  * Permission is hereby granted, free of charge, to any person obtaining a
      7  * copy of this software and associated documentation files (the "Software"),
      8  * to deal in the Software without restriction, including without limitation
      9  * the rights to use, copy, modify, merge, publish, distribute, sublicense,
     10  * and/or sell copies of the Software, and to permit persons to whom the
     11  * Software is furnished to do so, subject to the following conditions:
     12  *
     13  * The above copyright notice and this permission notice (including the next
     14  * paragraph) shall be included in all copies or substantial portions of the
     15  * Software.
     16  *
     17  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
     18  * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
     19  * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
     20  * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
     21  * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
     22  * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
     23  * SOFTWARE.
     24  *
     25  * Authors:
     26  *    Rob Clark <robclark (at) freedesktop.org>
     27  */
     28 
     29 #include "freedreno_drmif.h"
     30 #include "freedreno_priv.h"
     31 
     32 /**
     33  * priority of zero is highest priority, and higher numeric values are
     34  * lower priorities
     35  */
     36 struct fd_pipe *
     37 fd_pipe_new2(struct fd_device *dev, enum fd_pipe_id id, uint32_t prio)
     38 {
     39 	struct fd_pipe *pipe;
     40 	uint64_t val;
     41 
     42 	if (id > FD_PIPE_MAX) {
     43 		ERROR_MSG("invalid pipe id: %d", id);
     44 		return NULL;
     45 	}
     46 
     47 	if ((prio != 1) && (fd_device_version(dev) < FD_VERSION_SUBMIT_QUEUES)) {
     48 		ERROR_MSG("invalid priority!");
     49 		return NULL;
     50 	}
     51 
     52 	pipe = dev->funcs->pipe_new(dev, id, prio);
     53 	if (!pipe) {
     54 		ERROR_MSG("allocation failed");
     55 		return NULL;
     56 	}
     57 
     58 	pipe->dev = dev;
     59 	pipe->id = id;
     60 
     61 	fd_pipe_get_param(pipe, FD_GPU_ID, &val);
     62 	pipe->gpu_id = val;
     63 
     64 	return pipe;
     65 }
     66 
     67 struct fd_pipe *
     68 fd_pipe_new(struct fd_device *dev, enum fd_pipe_id id)
     69 {
     70 	return fd_pipe_new2(dev, id, 1);
     71 }
     72 
     73 void fd_pipe_del(struct fd_pipe *pipe)
     74 {
     75 	pipe->funcs->destroy(pipe);
     76 }
     77 
     78 int fd_pipe_get_param(struct fd_pipe *pipe,
     79 				 enum fd_param_id param, uint64_t *value)
     80 {
     81 	return pipe->funcs->get_param(pipe, param, value);
     82 }
     83 
     84 int fd_pipe_wait(struct fd_pipe *pipe, uint32_t timestamp)
     85 {
     86 	return fd_pipe_wait_timeout(pipe, timestamp, ~0);
     87 }
     88 
     89 int fd_pipe_wait_timeout(struct fd_pipe *pipe, uint32_t timestamp,
     90 		uint64_t timeout)
     91 {
     92 	return pipe->funcs->wait(pipe, timestamp, timeout);
     93 }
     94