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/*
* Copyright (c) 2018, NVIDIA CORPORATION. All rights reserved.
*
* This program is free software; you can redistribute it and/or modify it
* under the terms and conditions of the GNU General Public License,
* version 2, as published by the Free Software Foundation.
*
* This program is distributed in the hope it will be useful, but WITHOUT
* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
* more details.
*
* You should have received a copy of the GNU General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
#include <linux/io.h>
#include <linux/highmem.h>
#include <linux/platform_device.h>
#include <nvgpu/log.h>
#include <nvgpu/linux/vm.h>
#include <nvgpu/bitops.h>
#include <nvgpu/nvgpu_mem.h>
#include <nvgpu/dma.h>
#include <nvgpu/soc.h>
#include <nvgpu/hw_sim.h>
#include <nvgpu/sim.h>
#include <nvgpu/gk20a.h>
#include "platform_gk20a.h"
#include "os_linux.h"
#include "module.h"
void sim_writel(struct sim_nvgpu *sim, u32 r, u32 v)
{
struct sim_nvgpu_linux *sim_linux =
container_of(sim, struct sim_nvgpu_linux, sim);
writel(v, sim_linux->regs + r);
}
u32 sim_readl(struct sim_nvgpu *sim, u32 r)
{
struct sim_nvgpu_linux *sim_linux =
container_of(sim, struct sim_nvgpu_linux, sim);
return readl(sim_linux->regs + r);
}
void nvgpu_remove_sim_support_linux(struct gk20a *g)
{
struct sim_nvgpu_linux *sim_linux;
if (!g->sim)
return;
sim_linux = container_of(g->sim, struct sim_nvgpu_linux, sim);
if (sim_linux->regs) {
sim_writel(g->sim, sim_config_r(), sim_config_mode_disabled_v());
iounmap(sim_linux->regs);
sim_linux->regs = NULL;
}
nvgpu_kfree(g, sim_linux);
g->sim = NULL;
}
int nvgpu_init_sim_support_linux(struct gk20a *g,
struct platform_device *dev)
{
struct sim_nvgpu_linux *sim_linux;
int err = -ENOMEM;
if (!nvgpu_platform_is_simulation(g))
return 0;
sim_linux = nvgpu_kzalloc(g, sizeof(*sim_linux));
if (!sim_linux)
return err;
g->sim = &sim_linux->sim;
g->sim->g = g;
sim_linux->regs = nvgpu_devm_ioremap_resource(dev,
GK20A_SIM_IORESOURCE_MEM,
&sim_linux->reg_mem);
if (IS_ERR(sim_linux->regs)) {
nvgpu_err(g, "failed to remap gk20a sim regs");
err = PTR_ERR(sim_linux->regs);
goto fail;
}
sim_linux->remove_support_linux = nvgpu_remove_sim_support_linux;
return 0;
fail:
nvgpu_remove_sim_support_linux(g);
return err;
}
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