mirror of
git://nv-tegra.nvidia.com/linux-nvgpu.git
synced 2025-12-23 18:16:01 +03:00
4cc1fa1a0b
This patch constructs the initial setup for sync unit. There are three simple tests currently. The first test inits the environment necessary such as regspace init, hal init. The second step simply fails the creation of the sync and the last test is meant as a deinit step. JIRA NVGPU-913 Change-Id: I1db72d9833c3c4bc3c3903a7d81cce06e9983509 Signed-off-by: Debarshi Dutta <ddutta@nvidia.com> Reviewed-on: https://git-master.nvidia.com/r/2248493 Reviewed-by: mobile promotions <svcmobile_promotions@nvidia.com> Tested-by: mobile promotions <svcmobile_promotions@nvidia.com>
115 lines
3.0 KiB
C
115 lines
3.0 KiB
C
/*
|
|
* Copyright (c) 2019, NVIDIA CORPORATION. All rights reserved.
|
|
*
|
|
* 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 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.
|
|
*/
|
|
|
|
#include <nvgpu/gk20a.h>
|
|
#include <nvgpu/bug.h>
|
|
#include <nvgpu/posix/posix-nvhost.h>
|
|
|
|
static inline u32 nvgpu_nvhost_syncpt_nb_hw_pts(
|
|
struct nvgpu_nvhost_dev *nvgpu_syncpt_dev)
|
|
{
|
|
return nvgpu_syncpt_dev->nb_hw_pts;
|
|
}
|
|
|
|
void nvgpu_free_nvhost_dev(struct gk20a *g) {
|
|
|
|
if (g->nvhost_dev != NULL) {
|
|
nvgpu_kfree(g, g->nvhost_dev);
|
|
g->nvhost_dev = NULL;
|
|
}
|
|
}
|
|
|
|
int nvgpu_get_nvhost_dev(struct gk20a *g)
|
|
{
|
|
int ret = 0;
|
|
|
|
g->nvhost_dev = nvgpu_kzalloc(g, sizeof(struct nvgpu_nvhost_dev));
|
|
if (g->nvhost_dev == NULL) {
|
|
return -ENOMEM;
|
|
}
|
|
|
|
g->nvhost_dev->host1x_sp_base = 0x60000000;
|
|
g->nvhost_dev->host1x_sp_size = 0x400000;
|
|
g->nvhost_dev->nb_hw_pts = 704U;
|
|
ret = nvgpu_nvhost_syncpt_unit_interface_get_aperture(
|
|
g->nvhost_dev, &g->syncpt_unit_base,
|
|
&g->syncpt_unit_size);
|
|
if (ret != 0) {
|
|
nvgpu_err(g, "Failed to get syncpt interface");
|
|
goto fail_nvgpu_get_nvhost_dev;
|
|
}
|
|
g->syncpt_size =
|
|
nvgpu_nvhost_syncpt_unit_interface_get_byte_offset(1);
|
|
|
|
return 0;
|
|
|
|
fail_nvgpu_get_nvhost_dev:
|
|
nvgpu_free_nvhost_dev(g);
|
|
|
|
return ret;
|
|
}
|
|
|
|
int nvgpu_nvhost_syncpt_unit_interface_get_aperture(
|
|
struct nvgpu_nvhost_dev *nvgpu_syncpt_dev,
|
|
u64 *base, size_t *size)
|
|
{
|
|
if (nvgpu_syncpt_dev == NULL || base == NULL || size == NULL) {
|
|
return -ENOSYS;
|
|
}
|
|
|
|
*base = (u64)nvgpu_syncpt_dev->host1x_sp_base;
|
|
*size = nvgpu_syncpt_dev->host1x_sp_size;
|
|
|
|
return 0;
|
|
|
|
}
|
|
|
|
u32 nvgpu_nvhost_syncpt_unit_interface_get_byte_offset(u32 syncpt_id)
|
|
{
|
|
return nvgpu_safe_mult_u32(syncpt_id, 0x1000U);
|
|
}
|
|
|
|
void nvgpu_nvhost_syncpt_set_min_eq_max_ext(
|
|
struct nvgpu_nvhost_dev *nvhost_dev, u32 id)
|
|
{
|
|
BUG();
|
|
}
|
|
|
|
void nvgpu_nvhost_syncpt_put_ref_ext(
|
|
struct nvgpu_nvhost_dev *nvhost_dev, u32 id)
|
|
{
|
|
BUG();
|
|
}
|
|
|
|
u32 nvgpu_nvhost_get_syncpt_client_managed(
|
|
struct nvgpu_nvhost_dev *nvhost_dev,
|
|
const char *syncpt_name)
|
|
{
|
|
return 0U;
|
|
}
|
|
|
|
void nvgpu_nvhost_syncpt_set_safe_state(
|
|
struct nvgpu_nvhost_dev *nvhost_dev, u32 id)
|
|
{
|
|
BUG();
|
|
}
|