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git://nv-tegra.nvidia.com/linux-nvgpu.git
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2c23d1066f
Some kernel APIs rely on user space knowing class numbers. Allow querying the numbers from kernel. Bug 1567274 Change-Id: Idec2fe8ee983ee74bcbf9dfc98f71bbcc1492cfb Signed-off-by: Terje Bergstrom <tbergstrom@nvidia.com> Reviewed-on: http://git-master/r/594402
50 lines
1.2 KiB
C
50 lines
1.2 KiB
C
/*
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* NVIDIA GPU HAL interface.
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*
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* Copyright (c) 2014, 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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#include "gk20a.h"
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#include "hal_gk20a.h"
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#include "gm20b/hal_gm20b.h"
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#ifdef CONFIG_ARCH_TEGRA_18x_SOC
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#include "nvgpu_gpuid_t18x.h"
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#endif
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int gpu_init_hal(struct gk20a *g)
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{
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u32 ver = g->gpu_characteristics.arch + g->gpu_characteristics.impl;
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switch (ver) {
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case GK20A_GPUID_GK20A:
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gk20a_dbg_info("gk20a detected");
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gk20a_init_hal(g);
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break;
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case GK20A_GPUID_GM20B:
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gk20a_dbg_info("gm20b detected");
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if (gm20b_init_hal(g))
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return -ENODEV;
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break;
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#if defined(CONFIG_ARCH_TEGRA_18x_SOC)
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case TEGRA_18x_GPUID:
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if (TEGRA_18x_GPUID_HAL(g))
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return -ENODEV;
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break;
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#endif
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default:
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gk20a_err(&g->dev->dev, "no support for %x", ver);
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return -ENODEV;
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}
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return 0;
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}
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