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
|
This page was automatically generated by the
LXR engine.
|