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1 | /* |
2 | * Copyright (C) 2008 Hewlett-Packard Development Company, L.P. |
3 | * Bjorn Helgaas <bjorn.helgaas@hp.com> |
4 | */ |
5 | |
6 | extern spinlock_t pnp_lock; |
7 | extern struct device_attribute pnp_interface_attrs[]; |
8 | void *pnp_alloc(long size); |
9 | |
10 | int pnp_register_protocol(struct pnp_protocol *protocol); |
11 | void pnp_unregister_protocol(struct pnp_protocol *protocol); |
12 | |
13 | #define PNP_EISA_ID_MASK 0x7fffffff |
14 | void pnp_eisa_id_to_string(u32 id, char *str); |
15 | struct pnp_dev *pnp_alloc_dev(struct pnp_protocol *, int id, char *pnpid); |
16 | struct pnp_card *pnp_alloc_card(struct pnp_protocol *, int id, char *pnpid); |
17 | |
18 | int pnp_add_device(struct pnp_dev *dev); |
19 | struct pnp_id *pnp_add_id(struct pnp_dev *dev, char *id); |
20 | |
21 | int pnp_add_card(struct pnp_card *card); |
22 | void pnp_remove_card(struct pnp_card *card); |
23 | int pnp_add_card_device(struct pnp_card *card, struct pnp_dev *dev); |
24 | void pnp_remove_card_device(struct pnp_dev *dev); |
25 | |
26 | struct pnp_port { |
27 | resource_size_t min; /* min base number */ |
28 | resource_size_t max; /* max base number */ |
29 | resource_size_t align; /* align boundary */ |
30 | resource_size_t size; /* size of range */ |
31 | unsigned char flags; /* port flags */ |
32 | }; |
33 | |
34 | #define PNP_IRQ_NR 256 |
35 | typedef struct { DECLARE_BITMAP(bits, PNP_IRQ_NR); } pnp_irq_mask_t; |
36 | |
37 | struct pnp_irq { |
38 | pnp_irq_mask_t map; /* bitmap for IRQ lines */ |
39 | unsigned char flags; /* IRQ flags */ |
40 | }; |
41 | |
42 | struct pnp_dma { |
43 | unsigned char map; /* bitmask for DMA channels */ |
44 | unsigned char flags; /* DMA flags */ |
45 | }; |
46 | |
47 | struct pnp_mem { |
48 | resource_size_t min; /* min base number */ |
49 | resource_size_t max; /* max base number */ |
50 | resource_size_t align; /* align boundary */ |
51 | resource_size_t size; /* size of range */ |
52 | unsigned char flags; /* memory flags */ |
53 | }; |
54 | |
55 | #define PNP_OPTION_DEPENDENT 0x80000000 |
56 | #define PNP_OPTION_SET_MASK 0xffff |
57 | #define PNP_OPTION_SET_SHIFT 12 |
58 | #define PNP_OPTION_PRIORITY_MASK 0xfff |
59 | #define PNP_OPTION_PRIORITY_SHIFT 0 |
60 | |
61 | #define PNP_RES_PRIORITY_PREFERRED 0 |
62 | #define PNP_RES_PRIORITY_ACCEPTABLE 1 |
63 | #define PNP_RES_PRIORITY_FUNCTIONAL 2 |
64 | #define PNP_RES_PRIORITY_INVALID PNP_OPTION_PRIORITY_MASK |
65 | |
66 | struct pnp_option { |
67 | struct list_head list; |
68 | unsigned int flags; /* independent/dependent, set, priority */ |
69 | |
70 | unsigned long type; /* IORESOURCE_{IO,MEM,IRQ,DMA} */ |
71 | union { |
72 | struct pnp_port port; |
73 | struct pnp_irq irq; |
74 | struct pnp_dma dma; |
75 | struct pnp_mem mem; |
76 | } u; |
77 | }; |
78 | |
79 | int pnp_register_irq_resource(struct pnp_dev *dev, unsigned int option_flags, |
80 | pnp_irq_mask_t *map, unsigned char flags); |
81 | int pnp_register_dma_resource(struct pnp_dev *dev, unsigned int option_flags, |
82 | unsigned char map, unsigned char flags); |
83 | int pnp_register_port_resource(struct pnp_dev *dev, unsigned int option_flags, |
84 | resource_size_t min, resource_size_t max, |
85 | resource_size_t align, resource_size_t size, |
86 | unsigned char flags); |
87 | int pnp_register_mem_resource(struct pnp_dev *dev, unsigned int option_flags, |
88 | resource_size_t min, resource_size_t max, |
89 | resource_size_t align, resource_size_t size, |
90 | unsigned char flags); |
91 | |
92 | static inline int pnp_option_is_dependent(struct pnp_option *option) |
93 | { |
94 | return option->flags & PNP_OPTION_DEPENDENT ? 1 : 0; |
95 | } |
96 | |
97 | static inline unsigned int pnp_option_set(struct pnp_option *option) |
98 | { |
99 | return (option->flags >> PNP_OPTION_SET_SHIFT) & PNP_OPTION_SET_MASK; |
100 | } |
101 | |
102 | static inline unsigned int pnp_option_priority(struct pnp_option *option) |
103 | { |
104 | return (option->flags >> PNP_OPTION_PRIORITY_SHIFT) & |
105 | PNP_OPTION_PRIORITY_MASK; |
106 | } |
107 | |
108 | static inline unsigned int pnp_new_dependent_set(struct pnp_dev *dev, |
109 | int priority) |
110 | { |
111 | unsigned int flags; |
112 | |
113 | if (priority > PNP_RES_PRIORITY_FUNCTIONAL) { |
114 | dev_warn(&dev->dev, "invalid dependent option priority %d " |
115 | "clipped to %d", priority, |
116 | PNP_RES_PRIORITY_INVALID); |
117 | priority = PNP_RES_PRIORITY_INVALID; |
118 | } |
119 | |
120 | flags = PNP_OPTION_DEPENDENT | |
121 | ((dev->num_dependent_sets & PNP_OPTION_SET_MASK) << |
122 | PNP_OPTION_SET_SHIFT) | |
123 | ((priority & PNP_OPTION_PRIORITY_MASK) << |
124 | PNP_OPTION_PRIORITY_SHIFT); |
125 | |
126 | dev->num_dependent_sets++; |
127 | |
128 | return flags; |
129 | } |
130 | |
131 | char *pnp_option_priority_name(struct pnp_option *option); |
132 | void dbg_pnp_show_option(struct pnp_dev *dev, struct pnp_option *option); |
133 | |
134 | void pnp_init_resources(struct pnp_dev *dev); |
135 | |
136 | void pnp_fixup_device(struct pnp_dev *dev); |
137 | void pnp_free_options(struct pnp_dev *dev); |
138 | int __pnp_add_device(struct pnp_dev *dev); |
139 | void __pnp_remove_device(struct pnp_dev *dev); |
140 | |
141 | int pnp_check_port(struct pnp_dev *dev, struct resource *res); |
142 | int pnp_check_mem(struct pnp_dev *dev, struct resource *res); |
143 | int pnp_check_irq(struct pnp_dev *dev, struct resource *res); |
144 | int pnp_check_dma(struct pnp_dev *dev, struct resource *res); |
145 | |
146 | char *pnp_resource_type_name(struct resource *res); |
147 | void dbg_pnp_show_resources(struct pnp_dev *dev, char *desc); |
148 | |
149 | void pnp_free_resources(struct pnp_dev *dev); |
150 | unsigned long pnp_resource_type(struct resource *res); |
151 | |
152 | struct pnp_resource { |
153 | struct list_head list; |
154 | struct resource res; |
155 | }; |
156 | |
157 | void pnp_free_resource(struct pnp_resource *pnp_res); |
158 | |
159 | struct pnp_resource *pnp_add_irq_resource(struct pnp_dev *dev, int irq, |
160 | int flags); |
161 | struct pnp_resource *pnp_add_dma_resource(struct pnp_dev *dev, int dma, |
162 | int flags); |
163 | struct pnp_resource *pnp_add_io_resource(struct pnp_dev *dev, |
164 | resource_size_t start, |
165 | resource_size_t end, int flags); |
166 | struct pnp_resource *pnp_add_mem_resource(struct pnp_dev *dev, |
167 | resource_size_t start, |
168 | resource_size_t end, int flags); |
169 | |
170 | extern int pnp_debug; |
171 | |
172 | #if defined(CONFIG_PNP_DEBUG_MESSAGES) |
173 | #define pnp_dbg(dev, format, arg...) \ |
174 | ({ if (pnp_debug) dev_printk(KERN_DEBUG, dev, format, ## arg); 0; }) |
175 | #else |
176 | #define pnp_dbg(dev, format, arg...) \ |
177 | ({ if (0) dev_printk(KERN_DEBUG, dev, format, ## arg); 0; }) |
178 | #endif |
179 |
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od-2011-09-04
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