1
2#ifndef __MACIO_ASIC_H__
3#define __MACIO_ASIC_H__
4#ifdef __KERNEL__
5
6#include <linux/of_device.h>
7
8extern struct bus_type macio_bus_type;
9
10
11struct macio_driver;
12struct macio_chip;
13
14#define MACIO_DEV_COUNT_RESOURCES 8
15#define MACIO_DEV_COUNT_IRQS 8
16
17
18
19
20
21
22
23
24
25struct macio_bus
26{
27 struct macio_chip *chip;
28 int index;
29#ifdef CONFIG_PCI
30 struct pci_dev *pdev;
31#endif
32};
33
34
35
36
37
38struct macio_dev
39{
40 struct macio_bus *bus;
41 struct macio_dev *media_bay;
42 struct platform_device ofdev;
43 struct device_dma_parameters dma_parms;
44 int n_resources;
45 struct resource resource[MACIO_DEV_COUNT_RESOURCES];
46 int n_interrupts;
47 struct resource interrupt[MACIO_DEV_COUNT_IRQS];
48};
49#define to_macio_device(d) container_of(d, struct macio_dev, ofdev.dev)
50#define of_to_macio_device(d) container_of(d, struct macio_dev, ofdev)
51
52extern struct macio_dev *macio_dev_get(struct macio_dev *dev);
53extern void macio_dev_put(struct macio_dev *dev);
54
55
56
57
58
59
60static inline int macio_resource_count(struct macio_dev *dev)
61{
62 return dev->n_resources;
63}
64
65static inline unsigned long macio_resource_start(struct macio_dev *dev, int resource_no)
66{
67 return dev->resource[resource_no].start;
68}
69
70static inline unsigned long macio_resource_end(struct macio_dev *dev, int resource_no)
71{
72 return dev->resource[resource_no].end;
73}
74
75static inline unsigned long macio_resource_len(struct macio_dev *dev, int resource_no)
76{
77 struct resource *res = &dev->resource[resource_no];
78 if (res->start == 0 || res->end == 0 || res->end < res->start)
79 return 0;
80 return resource_size(res);
81}
82
83extern int macio_enable_devres(struct macio_dev *dev);
84
85extern int macio_request_resource(struct macio_dev *dev, int resource_no, const char *name);
86extern void macio_release_resource(struct macio_dev *dev, int resource_no);
87extern int macio_request_resources(struct macio_dev *dev, const char *name);
88extern void macio_release_resources(struct macio_dev *dev);
89
90static inline int macio_irq_count(struct macio_dev *dev)
91{
92 return dev->n_interrupts;
93}
94
95static inline int macio_irq(struct macio_dev *dev, int irq_no)
96{
97 return dev->interrupt[irq_no].start;
98}
99
100static inline void macio_set_drvdata(struct macio_dev *dev, void *data)
101{
102 dev_set_drvdata(&dev->ofdev.dev, data);
103}
104
105static inline void* macio_get_drvdata(struct macio_dev *dev)
106{
107 return dev_get_drvdata(&dev->ofdev.dev);
108}
109
110static inline struct device_node *macio_get_of_node(struct macio_dev *mdev)
111{
112 return mdev->ofdev.dev.of_node;
113}
114
115#ifdef CONFIG_PCI
116static inline struct pci_dev *macio_get_pci_dev(struct macio_dev *mdev)
117{
118 return mdev->bus->pdev;
119}
120#endif
121
122
123
124
125struct macio_driver
126{
127 int (*probe)(struct macio_dev* dev, const struct of_device_id *match);
128 int (*remove)(struct macio_dev* dev);
129
130 int (*suspend)(struct macio_dev* dev, pm_message_t state);
131 int (*resume)(struct macio_dev* dev);
132 int (*shutdown)(struct macio_dev* dev);
133
134#ifdef CONFIG_PMAC_MEDIABAY
135 void (*mediabay_event)(struct macio_dev* dev, int mb_state);
136#endif
137 struct device_driver driver;
138};
139#define to_macio_driver(drv) container_of(drv,struct macio_driver, driver)
140
141extern int macio_register_driver(struct macio_driver *);
142extern void macio_unregister_driver(struct macio_driver *);
143
144#endif
145#endif
146