mirror of
git://nv-tegra.nvidia.com/linux-nvgpu.git
synced 2025-12-22 17:36:20 +03:00
2a2c16af5f
Move all Linux source code files to drivers/gpu/nvgpu/os/linux from drivers/gpu/nvgpu/common/linux. This changes the meaning of common to be OS independent. JIRA NVGPU-598 JIRA NVGPU-601 Change-Id: Ib7f2a43d3688bb0d0b7dcc48469a6783fd988ce9 Signed-off-by: Terje Bergstrom <tbergstrom@nvidia.com> Reviewed-on: https://git-master.nvidia.com/r/1747714 Reviewed-by: mobile promotions <svcmobile_promotions@nvidia.com> Tested-by: mobile promotions <svcmobile_promotions@nvidia.com>
96 lines
2.4 KiB
C
96 lines
2.4 KiB
C
/*
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* Copyright (c) 2018, NVIDIA CORPORATION. All rights reserved.
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*
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* This program is free software; you can redistribute it and/or modify it
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* under the terms and conditions of the GNU General Public License,
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* version 2, as published by the Free Software Foundation.
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*
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* This program is distributed in the hope it will be useful, but WITHOUT
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* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
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* more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program. If not, see <http://www.gnu.org/licenses/>.
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*/
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#include <linux/io.h>
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#include <linux/highmem.h>
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#include <linux/platform_device.h>
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#include <nvgpu/log.h>
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#include <nvgpu/linux/vm.h>
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#include <nvgpu/bitops.h>
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#include <nvgpu/nvgpu_mem.h>
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#include <nvgpu/dma.h>
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#include <nvgpu/soc.h>
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#include <nvgpu/hw_sim.h>
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#include <nvgpu/sim.h>
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#include "gk20a/gk20a.h"
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#include "platform_gk20a.h"
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#include "os_linux.h"
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#include "module.h"
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void sim_writel(struct sim_nvgpu *sim, u32 r, u32 v)
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{
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struct sim_nvgpu_linux *sim_linux =
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container_of(sim, struct sim_nvgpu_linux, sim);
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writel(v, sim_linux->regs + r);
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}
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u32 sim_readl(struct sim_nvgpu *sim, u32 r)
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{
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struct sim_nvgpu_linux *sim_linux =
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container_of(sim, struct sim_nvgpu_linux, sim);
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return readl(sim_linux->regs + r);
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}
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void nvgpu_remove_sim_support_linux(struct gk20a *g)
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{
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struct sim_nvgpu_linux *sim_linux;
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if (!g->sim)
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return;
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sim_linux = container_of(g->sim, struct sim_nvgpu_linux, sim);
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if (sim_linux->regs) {
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sim_writel(g->sim, sim_config_r(), sim_config_mode_disabled_v());
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iounmap(sim_linux->regs);
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sim_linux->regs = NULL;
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}
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nvgpu_kfree(g, sim_linux);
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g->sim = NULL;
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}
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int nvgpu_init_sim_support_linux(struct gk20a *g,
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struct platform_device *dev)
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{
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struct sim_nvgpu_linux *sim_linux;
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int err = -ENOMEM;
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if (!nvgpu_platform_is_simulation(g))
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return 0;
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sim_linux = nvgpu_kzalloc(g, sizeof(*sim_linux));
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if (!sim_linux)
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return err;
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g->sim = &sim_linux->sim;
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g->sim->g = g;
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sim_linux->regs = nvgpu_ioremap_resource(dev,
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GK20A_SIM_IORESOURCE_MEM,
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&sim_linux->reg_mem);
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if (IS_ERR(sim_linux->regs)) {
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nvgpu_err(g, "failed to remap gk20a sim regs");
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err = PTR_ERR(sim_linux->regs);
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goto fail;
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}
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sim_linux->remove_support_linux = nvgpu_remove_sim_support_linux;
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return 0;
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fail:
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nvgpu_remove_sim_support_linux(g);
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return err;
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}
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