144 lines
3.8 KiB
C
144 lines
3.8 KiB
C
/* -*- mode: C; c-file-style: "k&r"; tab-width 4; indent-tabs-mode: t; -*- */
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/*
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* Copyright (C) 2013 Rob Clark <robclark@freedesktop.org>
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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 (including the next
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* paragraph) shall be included in all copies or substantial portions of the
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* 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 FROM,
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* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
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* SOFTWARE.
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*
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* Authors:
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* Rob Clark <robclark@freedesktop.org>
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*/
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#ifdef HAVE_CONFIG_H
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# include <config.h>
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#endif
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#include "msm_priv.h"
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static int msm_pipe_get_param(struct fd_pipe *pipe,
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enum fd_param_id param, uint64_t *value)
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{
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struct msm_pipe *msm_pipe = to_msm_pipe(pipe);
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switch(param) {
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case FD_DEVICE_ID: // XXX probably get rid of this..
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case FD_GPU_ID:
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*value = msm_pipe->gpu_id;
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return 0;
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case FD_GMEM_SIZE:
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*value = msm_pipe->gmem;
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return 0;
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case FD_CHIP_ID:
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*value = msm_pipe->chip_id;
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return 0;
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default:
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ERROR_MSG("invalid param id: %d", param);
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return -1;
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}
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}
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static int msm_pipe_wait(struct fd_pipe *pipe, uint32_t timestamp)
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{
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struct fd_device *dev = pipe->dev;
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struct drm_msm_wait_fence req = {
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.fence = timestamp,
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};
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int ret;
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get_abs_timeout(&req.timeout, 5000);
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ret = drmCommandWrite(dev->fd, DRM_MSM_WAIT_FENCE, &req, sizeof(req));
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if (ret) {
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ERROR_MSG("wait-fence failed! %d (%s)", ret, strerror(errno));
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return ret;
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}
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return 0;
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}
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static void msm_pipe_destroy(struct fd_pipe *pipe)
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{
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struct msm_pipe *msm_pipe = to_msm_pipe(pipe);
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free(msm_pipe);
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}
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static struct fd_pipe_funcs funcs = {
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.ringbuffer_new = msm_ringbuffer_new,
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.get_param = msm_pipe_get_param,
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.wait = msm_pipe_wait,
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.destroy = msm_pipe_destroy,
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};
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static uint64_t get_param(struct fd_device *dev, uint32_t pipe, uint32_t param)
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{
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struct drm_msm_param req = {
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.pipe = pipe,
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.param = param,
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};
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int ret;
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ret = drmCommandWriteRead(dev->fd, DRM_MSM_GET_PARAM, &req, sizeof(req));
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if (ret) {
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ERROR_MSG("get-param failed! %d (%s)", ret, strerror(errno));
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return 0;
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}
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return req.value;
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}
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drm_private struct fd_pipe * msm_pipe_new(struct fd_device *dev,
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enum fd_pipe_id id)
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{
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static const uint32_t pipe_id[] = {
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[FD_PIPE_3D] = MSM_PIPE_3D0,
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[FD_PIPE_2D] = MSM_PIPE_2D0,
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};
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struct msm_pipe *msm_pipe = NULL;
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struct fd_pipe *pipe = NULL;
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msm_pipe = calloc(1, sizeof(*msm_pipe));
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if (!msm_pipe) {
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ERROR_MSG("allocation failed");
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goto fail;
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}
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pipe = &msm_pipe->base;
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pipe->funcs = &funcs;
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msm_pipe->pipe = pipe_id[id];
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msm_pipe->gpu_id = get_param(dev, pipe_id[id], MSM_PARAM_GPU_ID);
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msm_pipe->gmem = get_param(dev, pipe_id[id], MSM_PARAM_GMEM_SIZE);
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msm_pipe->chip_id = get_param(dev, pipe_id[id], MSM_PARAM_CHIP_ID);
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if (! msm_pipe->gpu_id)
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goto fail;
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INFO_MSG("Pipe Info:");
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INFO_MSG(" GPU-id: %d", msm_pipe->gpu_id);
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INFO_MSG(" Chip-id: 0x%08x", msm_pipe->chip_id);
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INFO_MSG(" GMEM size: 0x%08x", msm_pipe->gmem);
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return pipe;
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fail:
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if (pipe)
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fd_pipe_del(pipe);
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return NULL;
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}
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