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/* -*- mode: C; c-file-style: "k&r"; tab-width 4; indent-tabs-mode: t; -*- */
/*
* Copyright (C) 2012 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 "freedreno_drmif.h"
#include "freedreno_priv.h"
static int getprop(int fd, enum kgsl_property_type type,
void *value, int sizebytes)
{
struct kgsl_device_getproperty req = {
.type = type,
.value = value,
.sizebytes = sizebytes,
};
return ioctl(fd, IOCTL_KGSL_DEVICE_GETPROPERTY, &req);
}
#define GETPROP(fd, prop, x) do { \
if (getprop((fd), KGSL_PROP_##prop, &(x), sizeof(x))) { \
ERROR_MSG("failed to get property: " #prop); \
goto fail; \
} } while (0)
struct fd_pipe * fd_pipe_new(struct fd_device *dev, enum fd_pipe_id id)
{
static const char *paths[] = {
[FD_PIPE_3D] = "/dev/kgsl-3d0",
[FD_PIPE_2D] = "/dev/kgsl-2d0",
};
struct kgsl_drawctxt_create req = {
.flags = 0x2000, /* ??? */
};
struct fd_pipe *pipe = NULL;
int ret, fd;
if (id > FD_PIPE_MAX) {
ERROR_MSG("invalid pipe id: %d", id);
goto fail;
}
fd = open(paths[id], O_RDWR);
if (fd < 0) {
ERROR_MSG("could not open %s device: %d (%s)",
paths[id], fd, strerror(errno));
goto fail;
}
ret = ioctl(fd, IOCTL_KGSL_DRAWCTXT_CREATE, &req);
if (ret) {
ERROR_MSG("failed to allocate context: %d (%s)",
ret, strerror(errno));
goto fail;
}
pipe = calloc(1, sizeof(*pipe));
if (!pipe) {
ERROR_MSG("allocation failed");
goto fail;
}
pipe->dev = dev;
pipe->id = id;
pipe->fd = fd;
pipe->drawctxt_id = req.drawctxt_id;
list_inithead(&pipe->submit_list);
list_inithead(&pipe->pending_list);
GETPROP(fd, VERSION, pipe->version);
GETPROP(fd, DEVICE_INFO, pipe->devinfo);
INFO_MSG("Pipe Info:");
INFO_MSG(" Device: %s", paths[id]);
INFO_MSG(" Chip-id: %d.%d.%d.%d",
(pipe->devinfo.chip_id >> 24) & 0xff,
(pipe->devinfo.chip_id >> 16) & 0xff,
(pipe->devinfo.chip_id >> 8) & 0xff,
(pipe->devinfo.chip_id >> 0) & 0xff);
INFO_MSG(" Device-id: %d", pipe->devinfo.device_id);
INFO_MSG(" GPU-id: %d", pipe->devinfo.gpu_id);
INFO_MSG(" MMU enabled: %d", pipe->devinfo.mmu_enabled);
INFO_MSG(" GMEM Base addr: 0x%08x", pipe->devinfo.gmem_gpubaseaddr);
INFO_MSG(" GMEM size: 0x%08x", pipe->devinfo.gmem_sizebytes);
INFO_MSG(" Driver version: %d.%d",
pipe->version.drv_major, pipe->version.drv_minor);
INFO_MSG(" Device version: %d.%d",
pipe->version.dev_major, pipe->version.dev_minor);
return pipe;
fail:
if (pipe)
fd_pipe_del(pipe);
return NULL;
}
void fd_pipe_del(struct fd_pipe *pipe)
{
struct kgsl_drawctxt_destroy req = {
.drawctxt_id = pipe->drawctxt_id,
};
if (pipe->drawctxt_id)
ioctl(pipe->fd, IOCTL_KGSL_DRAWCTXT_DESTROY, &req);
if (pipe->fd)
close(pipe->fd);
free(pipe);
}
int fd_pipe_get_param(struct fd_pipe *pipe, enum fd_param_id param,
uint64_t *value)
{
switch (param) {
case FD_DEVICE_ID:
*value = pipe->devinfo.device_id;
return 0;
case FD_GMEM_SIZE:
*value = pipe->devinfo.gmem_sizebytes;
return 0;
default:
ERROR_MSG("invalid param id: %d", param);
return -1;
}
}
int fd_pipe_wait(struct fd_pipe *pipe, uint32_t timestamp)
{
struct kgsl_device_waittimestamp req = {
.timestamp = timestamp,
.timeout = 5000,
};
int ret;
do {
ret = ioctl(pipe->fd, IOCTL_KGSL_DEVICE_WAITTIMESTAMP, &req);
} while ((ret == -1) && ((errno == EINTR) || (errno == EAGAIN)));
if (ret)
ERROR_MSG("waittimestamp failed! %d (%s)", ret, strerror(errno));
else
fd_pipe_process_pending(pipe, timestamp);
return ret;
}
int fd_pipe_timestamp(struct fd_pipe *pipe, uint32_t *timestamp)
{
struct kgsl_cmdstream_readtimestamp req = {
.type = KGSL_TIMESTAMP_RETIRED
};
int ret = ioctl(pipe->fd, IOCTL_KGSL_CMDSTREAM_READTIMESTAMP, &req);
if (ret) {
ERROR_MSG("readtimestamp failed! %d (%s)",
ret, strerror(errno));
return ret;
}
*timestamp = req.timestamp;
return 0;
}
/* add buffer to submit list when it is referenced in cmdstream: */
void fd_pipe_add_submit(struct fd_pipe *pipe, struct fd_bo *bo)
{
struct list_head *list = &bo->list[pipe->id];
if (LIST_IS_EMPTY(list)) {
fd_bo_ref(bo);
} else {
list_del(list);
}
list_addtail(list, &pipe->submit_list);
}
/* process buffers on submit list after flush: */
void fd_pipe_process_submit(struct fd_pipe *pipe, uint32_t timestamp)
{
struct fd_bo *bo, *tmp;
LIST_FOR_EACH_ENTRY_SAFE(bo, tmp, &pipe->submit_list, list[pipe->id]) {
struct list_head *list = &bo->list[pipe->id];
list_del(list);
bo->timestamp[pipe->id] = timestamp;
list_addtail(list, &pipe->pending_list);
}
if (!fd_pipe_timestamp(pipe, ×tamp))
fd_pipe_process_pending(pipe, timestamp);
}
void fd_pipe_process_pending(struct fd_pipe *pipe, uint32_t timestamp)
{
struct fd_bo *bo, *tmp;
LIST_FOR_EACH_ENTRY_SAFE(bo, tmp, &pipe->pending_list, list[pipe->id]) {
struct list_head *list = &bo->list[pipe->id];
if (bo->timestamp[pipe->id] > timestamp)
return;
list_delinit(list);
bo->timestamp[pipe->id] = 0;
fd_bo_del(bo);
}
}
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