mm: Don't pin ZERO_PAGE in pin_user_pages()
[linux-block.git] / include / linux / ahci_platform.h
1 /* SPDX-License-Identifier: GPL-2.0-or-later */
2 /*
3  * AHCI SATA platform driver
4  *
5  * Copyright 2004-2005  Red Hat, Inc.
6  *   Jeff Garzik <jgarzik@pobox.com>
7  * Copyright 2010  MontaVista Software, LLC.
8  *   Anton Vorontsov <avorontsov@ru.mvista.com>
9  */
10
11 #ifndef _AHCI_PLATFORM_H
12 #define _AHCI_PLATFORM_H
13
14 #include <linux/compiler.h>
15
16 struct clk;
17 struct device;
18 struct ata_port_info;
19 struct ahci_host_priv;
20 struct platform_device;
21 struct scsi_host_template;
22
23 int ahci_platform_enable_phys(struct ahci_host_priv *hpriv);
24 void ahci_platform_disable_phys(struct ahci_host_priv *hpriv);
25 struct clk *ahci_platform_find_clk(struct ahci_host_priv *hpriv,
26                                    const char *con_id);
27 int ahci_platform_enable_clks(struct ahci_host_priv *hpriv);
28 void ahci_platform_disable_clks(struct ahci_host_priv *hpriv);
29 int ahci_platform_deassert_rsts(struct ahci_host_priv *hpriv);
30 int ahci_platform_assert_rsts(struct ahci_host_priv *hpriv);
31 int ahci_platform_enable_regulators(struct ahci_host_priv *hpriv);
32 void ahci_platform_disable_regulators(struct ahci_host_priv *hpriv);
33 int ahci_platform_enable_resources(struct ahci_host_priv *hpriv);
34 void ahci_platform_disable_resources(struct ahci_host_priv *hpriv);
35 struct ahci_host_priv *ahci_platform_get_resources(
36         struct platform_device *pdev, unsigned int flags);
37 int ahci_platform_init_host(struct platform_device *pdev,
38                             struct ahci_host_priv *hpriv,
39                             const struct ata_port_info *pi_template,
40                             const struct scsi_host_template *sht);
41
42 void ahci_platform_shutdown(struct platform_device *pdev);
43
44 int ahci_platform_suspend_host(struct device *dev);
45 int ahci_platform_resume_host(struct device *dev);
46 int ahci_platform_suspend(struct device *dev);
47 int ahci_platform_resume(struct device *dev);
48
49 #define AHCI_PLATFORM_GET_RESETS        BIT(0)
50 #define AHCI_PLATFORM_RST_TRIGGER       BIT(1)
51
52 #endif /* _AHCI_PLATFORM_H */