[mirror_ubuntu-bionic-kernel.git] / include / linux / of_pci.h

#ifndef __OF_PCI_H
#define __OF_PCI_H

#include <linux/pci.h>
#include <linux/msi.h>

struct pci_dev;
struct of_phandle_args;
struct device_node;

#ifdef CONFIG_OF_PCI
int of_irq_parse_pci(const struct pci_dev *pdev, struct of_phandle_args *out_irq);
struct device_node *of_pci_find_child_device(struct device_node *parent,
					     unsigned int devfn);
int of_pci_get_devfn(struct device_node *np);
int of_irq_parse_and_map_pci(const struct pci_dev *dev, u8 slot, u8 pin);
int of_pci_parse_bus_range(struct device_node *node, struct resource *res);
int of_get_pci_domain_nr(struct device_node *node);
void of_pci_check_probe_only(void);
int of_pci_map_rid(struct device_node *np, u32 rid,
		   const char *map_name, const char *map_mask_name,
		   struct device_node **target, u32 *id_out);
#else
static inline int of_irq_parse_pci(const struct pci_dev *pdev, struct of_phandle_args *out_irq)
{
	return 0;
}

static inline struct device_node *of_pci_find_child_device(struct device_node *parent,
					     unsigned int devfn)
{
	return NULL;
}

static inline int of_pci_get_devfn(struct device_node *np)
{
	return -EINVAL;
}

static inline int
of_irq_parse_and_map_pci(const struct pci_dev *dev, u8 slot, u8 pin)
{
	return 0;
}

static inline int
of_pci_parse_bus_range(struct device_node *node, struct resource *res)
{
	return -EINVAL;
}

static inline int
of_get_pci_domain_nr(struct device_node *node)
{
	return -1;
}

static inline int of_pci_map_rid(struct device_node *np, u32 rid,
			const char *map_name, const char *map_mask_name,
			struct device_node **target, u32 *id_out)
{
	return -EINVAL;
}

static inline void of_pci_check_probe_only(void) { }
#endif

#if defined(CONFIG_OF_ADDRESS)
int of_pci_get_host_bridge_resources(struct device_node *dev,
			unsigned char busno, unsigned char bus_max,
			struct list_head *resources, resource_size_t *io_base);
#else
static inline int of_pci_get_host_bridge_resources(struct device_node *dev,
			unsigned char busno, unsigned char bus_max,
			struct list_head *resources, resource_size_t *io_base)
{
	return -EINVAL;
}
#endif

#if defined(CONFIG_OF) && defined(CONFIG_PCI_MSI)
int of_pci_msi_chip_add(struct msi_controller *chip);
void of_pci_msi_chip_remove(struct msi_controller *chip);
struct msi_controller *of_pci_find_msi_chip_by_node(struct device_node *of_node);
#else
static inline int of_pci_msi_chip_add(struct msi_controller *chip) { return -EINVAL; }
static inline void of_pci_msi_chip_remove(struct msi_controller *chip) { }
static inline struct msi_controller *
of_pci_find_msi_chip_by_node(struct device_node *of_node) { return NULL; }
#endif

#endif
Commit	Line	Data
04bea68b SAS	1	#ifndef __OF_PCI_H
	2	#define __OF_PCI_H
	3
	4	#include <linux/pci.h>
0d5a6db3	5	#include <linux/msi.h>
04bea68b SAS	6
04bea68b SAS	7	struct pci_dev;
530210c7	8	struct of_phandle_args;
98d9f30c	9	struct device_node;
64c5c759	10
5c1d3310	11	#ifdef CONFIG_OF_PCI
64c5c759	12	int of_irq_parse_pci(const struct pci_dev pdev, struct of_phandle_args out_irq);
98d9f30c BH	13	struct device_node of_pci_find_child_device(struct device_node parent,
98d9f30c BH	14	unsigned int devfn);
45ab9702	15	int of_pci_get_devfn(struct device_node *np);
64c5c759	16	int of_irq_parse_and_map_pci(const struct pci_dev *dev, u8 slot, u8 pin);
4e23d3f5	17	int of_pci_parse_bus_range(struct device_node node, struct resource res);
41e5c0f8	18	int of_get_pci_domain_nr(struct device_node *node);
f81c11af	19	void of_pci_check_probe_only(void);
987068fc RM	20	int of_pci_map_rid(struct device_node *np, u32 rid,
	21	const char map_name, const char map_mask_name,
	22	struct device_node *target, u32 id_out);
64c5c759 AB	23	#else
	24	static inline int of_irq_parse_pci(const struct pci_dev pdev, struct of_phandle_args out_irq)
	25	{
	26	return 0;
	27	}
	28
	29	static inline struct device_node of_pci_find_child_device(struct device_node parent,
	30	unsigned int devfn)
	31	{
	32	return NULL;
	33	}
	34
	35	static inline int of_pci_get_devfn(struct device_node *np)
	36	{
	37	return -EINVAL;
	38	}
	39
	40	static inline int
	41	of_irq_parse_and_map_pci(const struct pci_dev *dev, u8 slot, u8 pin)
	42	{
	43	return 0;
	44	}
	45
	46	static inline int
	47	of_pci_parse_bus_range(struct device_node node, struct resource res)
	48	{
	49	return -EINVAL;
	50	}
41e5c0f8 LD	51
	52	static inline int
	53	of_get_pci_domain_nr(struct device_node *node)
	54	{
	55	return -1;
	56	}
c49b8fc2	57
987068fc RM	58	static inline int of_pci_map_rid(struct device_node *np, u32 rid,
	59	const char map_name, const char map_mask_name,
	60	struct device_node *target, u32 id_out)
	61	{
	62	return -EINVAL;
	63	}
	64
f81c11af	65	static inline void of_pci_check_probe_only(void) { }
64c5c759	66	#endif
98d9f30c	67
cbe4097f LD	68	#if defined(CONFIG_OF_ADDRESS)
	69	int of_pci_get_host_bridge_resources(struct device_node *dev,
	70	unsigned char busno, unsigned char bus_max,
	71	struct list_head resources, resource_size_t io_base);
40704b12 AB	72	#else
	73	static inline int of_pci_get_host_bridge_resources(struct device_node *dev,
	74	unsigned char busno, unsigned char bus_max,
	75	struct list_head resources, resource_size_t io_base)
	76	{
	77	return -EINVAL;
	78	}
cbe4097f LD	79	#endif
cbe4097f LD	80
0d5a6db3	81	#if defined(CONFIG_OF) && defined(CONFIG_PCI_MSI)
c2791b80 YW	82	int of_pci_msi_chip_add(struct msi_controller *chip);
	83	void of_pci_msi_chip_remove(struct msi_controller *chip);
	84	struct msi_controller of_pci_find_msi_chip_by_node(struct device_node of_node);
0d5a6db3	85	#else
c2791b80 YW	86	static inline int of_pci_msi_chip_add(struct msi_controller *chip) { return -EINVAL; }
	87	static inline void of_pci_msi_chip_remove(struct msi_controller *chip) { }
	88	static inline struct msi_controller *
0d5a6db3 TP	89	of_pci_find_msi_chip_by_node(struct device_node *of_node) { return NULL; }
	90	#endif
	91
04bea68b	92	#endif