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/* -*- mode: C; c-file-style: "k&r"; tab-width 4; indent-tabs-mode: t; -*- */
/*
* Copyright (C) 2013 Rob Clark <robclark@freedesktop.org>
*
* Permission is hereby granted, free of charge, to any person obtaining a
* copy of this software and associated documentation files (the "Software"),
* to deal in the Software without restriction, including without limitation
* the rights to use, copy, modify, merge, publish, distribute, sublicense,
* and/or sell copies of the Software, and to permit persons to whom the
* Software is furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice (including the next
* paragraph) shall be included in all copies or substantial portions of the
* Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
* THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
* SOFTWARE.
*
* Authors:
* Rob Clark <robclark@freedesktop.org>
*/
#include "msm_priv.h"
static int msm_pipe_get_param(struct fd_pipe *pipe,
enum fd_param_id param, uint64_t *value)
{
struct msm_pipe *msm_pipe = to_msm_pipe(pipe);
switch(param) {
case FD_DEVICE_ID: // XXX probably get rid of this..
case FD_GPU_ID:
*value = msm_pipe->gpu_id;
return 0;
case FD_GMEM_SIZE:
*value = msm_pipe->gmem;
return 0;
default:
ERROR_MSG("invalid param id: %d", param);
return -1;
}
}
static int msm_pipe_wait(struct fd_pipe *pipe, uint32_t timestamp)
{
struct fd_device *dev = pipe->dev;
struct drm_msm_wait_fence req = {
.fence = timestamp,
};
int ret;
get_abs_timeout(&req.timeout, 5000);
ret = drmCommandWrite(dev->fd, DRM_MSM_WAIT_FENCE, &req, sizeof(req));
if (ret) {
ERROR_MSG("wait-fence failed! %d (%s)", ret, strerror(errno));
return ret;
}
return 0;
}
static void msm_pipe_destroy(struct fd_pipe *pipe)
{
struct msm_pipe *msm_pipe = to_msm_pipe(pipe);
free(msm_pipe);
}
static struct fd_pipe_funcs funcs = {
.ringbuffer_new = msm_ringbuffer_new,
.get_param = msm_pipe_get_param,
.wait = msm_pipe_wait,
.destroy = msm_pipe_destroy,
};
static uint64_t get_param(struct fd_device *dev, uint32_t pipe, uint32_t param)
{
struct drm_msm_param req = {
.pipe = pipe,
.param = param,
};
int ret;
ret = drmCommandWriteRead(dev->fd, DRM_MSM_GET_PARAM, &req, sizeof(req));
if (ret) {
ERROR_MSG("get-param failed! %d (%s)", ret, strerror(errno));
return 0;
}
return req.value;
}
struct fd_pipe * msm_pipe_new(struct fd_device *dev, enum fd_pipe_id id)
{
static const uint32_t pipe_id[] = {
[FD_PIPE_3D] = MSM_PIPE_3D0,
[FD_PIPE_2D] = MSM_PIPE_2D0,
};
struct msm_pipe *msm_pipe = NULL;
struct fd_pipe *pipe = NULL;
msm_pipe = calloc(1, sizeof(*msm_pipe));
if (!msm_pipe) {
ERROR_MSG("allocation failed");
goto fail;
}
pipe = &msm_pipe->base;
pipe->funcs = &funcs;
msm_pipe->pipe = pipe_id[id];
msm_pipe->gpu_id = get_param(dev, pipe_id[id], MSM_PARAM_GPU_ID);
msm_pipe->gmem = get_param(dev, pipe_id[id], MSM_PARAM_GMEM_SIZE);
if (! msm_pipe->gpu_id)
goto fail;
INFO_MSG("Pipe Info:");
INFO_MSG(" GPU-id: %d", msm_pipe->gpu_id);
INFO_MSG(" GMEM size: 0x%08x", msm_pipe->gmem);
return pipe;
fail:
if (pipe)
fd_pipe_del(pipe);
return NULL;
}
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