From f17d417e28143176cb36b64e1b6a5818897e8154 Mon Sep 17 00:00:00 2001 From: Rob Clark Date: Sat, 20 Jul 2013 20:35:31 -0400 Subject: freedreno: add support for msm drm This adds support for the "msm" backend, using the upstream msm drm/kms driver. Signed-off-by: Rob Clark --- freedreno/msm/msm_pipe.c | 133 +++++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 133 insertions(+) create mode 100644 freedreno/msm/msm_pipe.c (limited to 'freedreno/msm/msm_pipe.c') diff --git a/freedreno/msm/msm_pipe.c b/freedreno/msm/msm_pipe.c new file mode 100644 index 00000000..ece4de5a --- /dev/null +++ b/freedreno/msm/msm_pipe.c @@ -0,0 +1,133 @@ +/* -*- mode: C; c-file-style: "k&r"; tab-width 4; indent-tabs-mode: t; -*- */ + +/* + * Copyright (C) 2013 Rob Clark + * + * 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 + */ + +#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; +} -- cgit v1.2.3