xref: /linux/arch/parisc/include/asm/parisc-device.h (revision a3a02a52bcfcbcc4a637d4b68bf1bc391c9fad02)
1 /* SPDX-License-Identifier: GPL-2.0 */
2 #ifndef _ASM_PARISC_PARISC_DEVICE_H_
3 #define _ASM_PARISC_PARISC_DEVICE_H_
4 
5 #include <linux/device.h>
6 
7 struct parisc_device {
8 	struct resource hpa;		/* Hard Physical Address */
9 	struct parisc_device_id id;
10 	struct parisc_driver *driver;	/* Driver for this device */
11 	char		name[80];	/* The hardware description */
12 	int		irq;
13 	int		aux_irq;	/* Some devices have a second IRQ */
14 
15 	char		hw_path;        /* The module number on this bus */
16 	unsigned int	num_addrs;	/* some devices have additional address ranges. */
17 	unsigned long	*addr;          /* which will be stored here */
18 
19 #ifdef CONFIG_64BIT
20 	/* parms for pdc_pat_cell_module() call */
21 	unsigned long	pcell_loc;	/* Physical Cell location */
22 	unsigned long	mod_index;	/* PAT specific - Misc Module info */
23 
24 	/* generic info returned from pdc_pat_cell_module() */
25 	unsigned long	mod_info;	/* PAT specific - Misc Module info */
26 	unsigned long	pmod_loc;	/* physical Module location */
27 	unsigned long	mod0;
28 #endif
29 	u64		dma_mask;	/* DMA mask for I/O */
30 	struct device 	dev;
31 };
32 
33 struct parisc_driver {
34 	struct parisc_driver *next;
35 	char *name;
36 	const struct parisc_device_id *id_table;
37 	int (*probe)(struct parisc_device *dev); /* New device discovered */
38 	void (*remove)(struct parisc_device *dev);
39 	struct device_driver drv;
40 };
41 
42 
43 #define to_parisc_device(d)	container_of(d, struct parisc_device, dev)
44 #define to_parisc_driver(d)	container_of_const(d, struct parisc_driver, drv)
45 #define parisc_parent(d)	to_parisc_device(d->dev.parent)
46 
47 static inline const char *parisc_pathname(struct parisc_device *d)
48 {
49 	return dev_name(&d->dev);
50 }
51 
52 static inline void
53 parisc_set_drvdata(struct parisc_device *d, void *p)
54 {
55 	dev_set_drvdata(&d->dev, p);
56 }
57 
58 static inline void *
59 parisc_get_drvdata(struct parisc_device *d)
60 {
61 	return dev_get_drvdata(&d->dev);
62 }
63 
64 extern const struct bus_type parisc_bus_type;
65 
66 int iosapic_serial_irq(struct parisc_device *dev);
67 
68 #endif /*_ASM_PARISC_PARISC_DEVICE_H_*/
69