67 lines
2.3 KiB
C
67 lines
2.3 KiB
C
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/* SPDX-License-Identifier: GPL-2.0 */
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/*
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* Copyright (C) 2010 Samsung Electronics.
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*
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*/
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#ifndef __S51xx_PCIE_H__
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#define __S51xx_PCIE_H__
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#include <linux/exynos-pci-noti.h>
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#define MAX_MSI_NUM (16)
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extern void first_save_s51xx_status(struct pci_dev *pdev);
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extern int s51xx_pcie_init(struct modem_ctl *mc);
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extern int exynos_pcie_host_v1_register_event(struct exynos_pcie_register_event *reg);
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/* not used: extern int exynos_pcie_host_v1_deregister_event(struct exynos_pcie_register_event *reg); */
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extern void exynos_pcie_rc_register_dump(int ch_num);
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extern int exynos_pcie_rc_set_outbound_atu(int ch_num, u32 target_addr, u32 offset, u32 size);
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extern bool exynos_pcie_rc_get_cpl_timeout_state(int ch_num);
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extern void exynos_pcie_rc_set_cpl_timeout_state(int ch_num, bool recovery);
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struct s51xx_pcie {
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unsigned int busdev_num;
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int pcie_channel_num;
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struct pci_dev *s51xx_pdev;
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int irq_num_base;
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u32 __iomem *doorbell_addr;
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u32 __iomem *reg_base;
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u64 dbaddr_base;
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u32 dbaddr_offset;
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u32 link_status;
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bool suspend_try;
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struct exynos_pcie_register_event pcie_event;
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struct exynos_pcie_register_event pcie_cpl_timeout_event;
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struct pci_saved_state *pci_saved_configs;
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};
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//extern struct s51xx_pcie s5100pcie;
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extern int exynos_pcie_host_v1_poweron(int ch_num);
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extern int exynos_pcie_host_v1_poweroff(int ch_num);
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extern void exynos_pcie_set_perst_gpio(int ch_num, bool on);
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extern void exynos_pcie_set_ready_cto_recovery(int ch_num);
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/* not used: extern int exynos_pcie_gpio_onoff(int ch_num, int val); */
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/* not used(comment out): extern void exynos_pcie_msi_init_ext(int ch_num); */
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extern int exynos_pcie_rc_set_affinity(int ch_num, int affinity);
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#define AUTOSUSPEND_TIMEOUT 200
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int s51xx_pcie_request_msi_int(struct pci_dev *pdev, int int_num);
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void __iomem *s51xx_pcie_get_doorbell_address(void);
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int s51xx_pcie_send_doorbell_int(struct pci_dev *pdev, int int_num);
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void s51xx_pcie_save_state(struct pci_dev *pdev);
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void s51xx_pcie_restore_state(struct pci_dev *pdev);
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int s51xx_check_pcie_link_status(int ch_num);
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void s51xx_pcie_l1ss_ctrl(int enable);
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void disable_msi_int(struct pci_dev *pdev);
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void print_msi_register(struct pci_dev *pdev);
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int exynos_pcie_rc_lanechange(int ch_num, int lane);
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int exynos_pcie_rc_speedchange(int ch_num, int spd);
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#endif /* __S51xx_PCIE_H__ */
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