Files
linux-nvgpu/drivers/gpu/nvgpu/hal/fifo/usermode_ga10b_fusa.c
Sagar Kadamati 3e43f92f21 gpu: nvgpu: add ga10b & ga100 sources
Mass copy ga10b & ga100 sources from nvgpu-next repo.
TOP COMMIT-ID: 98f530e6924c844a1bf46816933a7fe015f3cce1

Jira NVGPU-4771

Change-Id: Ibf7102e9208133f8ef3bd3a98381138d5396d831
Signed-off-by: Sagar Kadamati <skadamati@nvidia.com>
Reviewed-on: https://git-master.nvidia.com/r/c/linux-nvgpu/+/2524817
Tested-by: mobile promotions <svcmobile_promotions@nvidia.com>
Reviewed-by: svc_kernel_abi <svc_kernel_abi@nvidia.com>
Reviewed-by: Debarshi Dutta <ddutta@nvidia.com>
Reviewed-by: Vijayakumar Subbu <vsubbu@nvidia.com>
Reviewed-by: Deepak Nibade <dnibade@nvidia.com>
Reviewed-by: mobile promotions <svcmobile_promotions@nvidia.com>
GVS: Gerrit_Virtual_Submit
2021-06-17 12:56:16 -07:00

101 lines
3.7 KiB
C

/*
* Copyright (c) 2020-2021, 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/types.h>
#include <nvgpu/gk20a.h>
#include <nvgpu/io.h>
#include <nvgpu/runlist.h>
#include "usermode_ga10b.h"
#include "hal/fifo/fifo_utils_ga10b.h"
#include <nvgpu/hw/ga10b/hw_runlist_ga10b.h>
#define GFID_INSTANCE_0 0U
/*
* nvgpu_fifo.max_runlists:
* - Maximum runlists supported by hardware.
* nvgpu_fifo.num_runlists:
* - Number of valid runlists detected during device info parsing and
* connected to a valid engine.
* nvgpu_fifo.runlists[]:
* - This is an array of pointers to nvgpu_runlist_info structure.
* - This is indexed by hardware runlist_id from 0 to max_runlists.
* nvgpu_fifo.active_runlists[]:
* - This is an array of nvgpu_runlist_info structure.
* - This is indexed by software [consecutive] runlist_ids from 0 to
* num_runlists.
*
* runlists[] pointers at valid runlist_id indices contain valid
* nvgpu_runlist structures. runlist[] pointers at invalid runlist_id
* indexes point to NULL. This is explained in the example below.
*
* for example: max_runlists = 10, num_runlists = 4
* say valid runlist_ids are = {0, 2, 3, 7}
*
* runlist_info active_runlists
* 0 ________________ 0 ___________________________
* |________________|----------------->|___________________________|
* |________________| |------------->|___________________________|
* |________________|---| |---------->|___________________________|
* |________________|------| |------->|___________________________|
* |________________| | num_runlists
* |________________| |
* |________________| |
* |________________|---------|
* |________________|
* |________________|
* max_runlists
*
*/
void ga10b_usermode_setup_hw(struct gk20a *g)
{
struct nvgpu_runlist *runlist = NULL;
u32 reg_val = 0U;
u32 i = 0U;
u32 max_runlist = g->ops.runlist.count_max(g);
for (i = 0U; i < max_runlist; i++) {
runlist = g->fifo.runlists[i];
if (runlist == NULL) {
continue;
}
/*
* At this moment, we are not supporting multiple GFIDs.
* Only GFID 0 is supported and passed to
* runlist_virtual_channel_cfg_r()
*/
reg_val = nvgpu_runlist_readl(g, runlist,
runlist_virtual_channel_cfg_r(GFID_INSTANCE_0));
reg_val |= runlist_virtual_channel_cfg_mask_hw_mask_hw_init_f();
reg_val |= runlist_virtual_channel_cfg_pending_enable_true_f();
nvgpu_runlist_writel(g, runlist,
runlist_virtual_channel_cfg_r(GFID_INSTANCE_0),
reg_val);
}
}