forked from rrcarlosr/Jetpack
47 lines
1.5 KiB
C
47 lines
1.5 KiB
C
/*
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* Header file contains constants and structures for tegra PCIe driver.
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*
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* Copyright (c) 2011-2016, NVIDIA CORPORATION. All rights reserved.
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*
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* This software is licensed under the terms of the GNU General Public
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* License version 2, as published by the Free Software Foundation, and
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* may be copied, distributed, and modified under those terms.
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*
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* This program is distributed in the hope that 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 along
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* with this program; if not, write to the Free Software Foundation, Inc.,
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* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
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*/
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#ifndef __PCI_TEGRA_H
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#define __PCI_TEGRA_H
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#include <linux/pci.h>
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#define MAX_PCIE_SUPPORTED_PORTS 2
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struct tegra_pci_platform_data {
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bool has_memtype_lpddr4; /* apply WAR for lpddr4 mem */
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int gpio_hot_plug; /* GPIO num to support hotplug */
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int gpio_wake; /* GPIO num to support WAKE from LP0 */
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int gpio_x1_slot; /* GPIO num to enable x1 slot */
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u32 boot_detect_delay; /* program delay in detection */
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};
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enum tegra_pcie_pm_opt {
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TEGRA_PCIE_SUSPEND,
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TEGRA_PCIE_RESUME_PRE,
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TEGRA_PCIE_RESUME_POST,
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};
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int tegra_pcie_pm_control(enum tegra_pcie_pm_opt pm_opt, void *user);
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void tegra_pcie_port_enable_per_pdev(struct pci_dev *pdev);
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void tegra_pcie_port_disable_per_pdev(struct pci_dev *pdev);
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#endif
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