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-rw-r--r--include/linux/pnp.h212
1 files changed, 110 insertions, 102 deletions
diff --git a/include/linux/pnp.h b/include/linux/pnp.h
index b2f05c230f4b..63b128d512fb 100644
--- a/include/linux/pnp.h
+++ b/include/linux/pnp.h
@@ -6,66 +6,127 @@
6#ifndef _LINUX_PNP_H 6#ifndef _LINUX_PNP_H
7#define _LINUX_PNP_H 7#define _LINUX_PNP_H
8 8
9#ifdef __KERNEL__
10
11#include <linux/device.h> 9#include <linux/device.h>
12#include <linux/list.h> 10#include <linux/list.h>
13#include <linux/errno.h> 11#include <linux/errno.h>
14#include <linux/mod_devicetable.h> 12#include <linux/mod_devicetable.h>
15 13
16#define PNP_MAX_PORT 40
17#define PNP_MAX_MEM 24
18#define PNP_MAX_IRQ 2
19#define PNP_MAX_DMA 2
20#define PNP_NAME_LEN 50 14#define PNP_NAME_LEN 50
21 15
22struct pnp_protocol; 16struct pnp_protocol;
23struct pnp_dev; 17struct pnp_dev;
18struct pnp_resource_table;
24 19
25/* 20/*
26 * Resource Management 21 * Resource Management
27 */ 22 */
23struct resource *pnp_get_resource(struct pnp_dev *, unsigned int, unsigned int);
24
25static inline int pnp_resource_valid(struct resource *res)
26{
27 if (res && !(res->flags & IORESOURCE_UNSET))
28 return 1;
29 return 0;
30}
31
32static inline resource_size_t pnp_resource_len(struct resource *res)
33{
34 if (res->start == 0 && res->end == 0)
35 return 0;
36 return res->end - res->start + 1;
37}
38
39
40static inline resource_size_t pnp_port_start(struct pnp_dev *dev,
41 unsigned int bar)
42{
43 return pnp_get_resource(dev, IORESOURCE_IO, bar)->start;
44}
45
46static inline resource_size_t pnp_port_end(struct pnp_dev *dev,
47 unsigned int bar)
48{
49 return pnp_get_resource(dev, IORESOURCE_IO, bar)->end;
50}
51
52static inline unsigned long pnp_port_flags(struct pnp_dev *dev,
53 unsigned int bar)
54{
55 return pnp_get_resource(dev, IORESOURCE_IO, bar)->flags;
56}
57
58static inline int pnp_port_valid(struct pnp_dev *dev, unsigned int bar)
59{
60 return pnp_resource_valid(pnp_get_resource(dev, IORESOURCE_IO, bar));
61}
62
63static inline resource_size_t pnp_port_len(struct pnp_dev *dev,
64 unsigned int bar)
65{
66 return pnp_resource_len(pnp_get_resource(dev, IORESOURCE_IO, bar));
67}
68
69
70static inline resource_size_t pnp_mem_start(struct pnp_dev *dev,
71 unsigned int bar)
72{
73 return pnp_get_resource(dev, IORESOURCE_MEM, bar)->start;
74}
75
76static inline resource_size_t pnp_mem_end(struct pnp_dev *dev,
77 unsigned int bar)
78{
79 return pnp_get_resource(dev, IORESOURCE_MEM, bar)->end;
80}
81
82static inline unsigned long pnp_mem_flags(struct pnp_dev *dev, unsigned int bar)
83{
84 return pnp_get_resource(dev, IORESOURCE_MEM, bar)->flags;
85}
86
87static inline int pnp_mem_valid(struct pnp_dev *dev, unsigned int bar)
88{
89 return pnp_resource_valid(pnp_get_resource(dev, IORESOURCE_MEM, bar));
90}
91
92static inline resource_size_t pnp_mem_len(struct pnp_dev *dev,
93 unsigned int bar)
94{
95 return pnp_resource_len(pnp_get_resource(dev, IORESOURCE_MEM, bar));
96}
97
98
99static inline resource_size_t pnp_irq(struct pnp_dev *dev, unsigned int bar)
100{
101 return pnp_get_resource(dev, IORESOURCE_IRQ, bar)->start;
102}
103
104static inline unsigned long pnp_irq_flags(struct pnp_dev *dev, unsigned int bar)
105{
106 return pnp_get_resource(dev, IORESOURCE_IRQ, bar)->flags;
107}
108
109static inline int pnp_irq_valid(struct pnp_dev *dev, unsigned int bar)
110{
111 return pnp_resource_valid(pnp_get_resource(dev, IORESOURCE_IRQ, bar));
112}
113
114
115static inline resource_size_t pnp_dma(struct pnp_dev *dev, unsigned int bar)
116{
117 return pnp_get_resource(dev, IORESOURCE_DMA, bar)->start;
118}
119
120static inline unsigned long pnp_dma_flags(struct pnp_dev *dev, unsigned int bar)
121{
122 return pnp_get_resource(dev, IORESOURCE_DMA, bar)->flags;
123}
124
125static inline int pnp_dma_valid(struct pnp_dev *dev, unsigned int bar)
126{
127 return pnp_resource_valid(pnp_get_resource(dev, IORESOURCE_DMA, bar));
128}
28 129
29/* Use these instead of directly reading pnp_dev to get resource information */
30#define pnp_port_start(dev,bar) ((dev)->res.port_resource[(bar)].start)
31#define pnp_port_end(dev,bar) ((dev)->res.port_resource[(bar)].end)
32#define pnp_port_flags(dev,bar) ((dev)->res.port_resource[(bar)].flags)
33#define pnp_port_valid(dev,bar) \
34 ((pnp_port_flags((dev),(bar)) & (IORESOURCE_IO | IORESOURCE_UNSET)) \
35 == IORESOURCE_IO)
36#define pnp_port_len(dev,bar) \
37 ((pnp_port_start((dev),(bar)) == 0 && \
38 pnp_port_end((dev),(bar)) == \
39 pnp_port_start((dev),(bar))) ? 0 : \
40 \
41 (pnp_port_end((dev),(bar)) - \
42 pnp_port_start((dev),(bar)) + 1))
43
44#define pnp_mem_start(dev,bar) ((dev)->res.mem_resource[(bar)].start)
45#define pnp_mem_end(dev,bar) ((dev)->res.mem_resource[(bar)].end)
46#define pnp_mem_flags(dev,bar) ((dev)->res.mem_resource[(bar)].flags)
47#define pnp_mem_valid(dev,bar) \
48 ((pnp_mem_flags((dev),(bar)) & (IORESOURCE_MEM | IORESOURCE_UNSET)) \
49 == IORESOURCE_MEM)
50#define pnp_mem_len(dev,bar) \
51 ((pnp_mem_start((dev),(bar)) == 0 && \
52 pnp_mem_end((dev),(bar)) == \
53 pnp_mem_start((dev),(bar))) ? 0 : \
54 \
55 (pnp_mem_end((dev),(bar)) - \
56 pnp_mem_start((dev),(bar)) + 1))
57
58#define pnp_irq(dev,bar) ((dev)->res.irq_resource[(bar)].start)
59#define pnp_irq_flags(dev,bar) ((dev)->res.irq_resource[(bar)].flags)
60#define pnp_irq_valid(dev,bar) \
61 ((pnp_irq_flags((dev),(bar)) & (IORESOURCE_IRQ | IORESOURCE_UNSET)) \
62 == IORESOURCE_IRQ)
63
64#define pnp_dma(dev,bar) ((dev)->res.dma_resource[(bar)].start)
65#define pnp_dma_flags(dev,bar) ((dev)->res.dma_resource[(bar)].flags)
66#define pnp_dma_valid(dev,bar) \
67 ((pnp_dma_flags((dev),(bar)) & (IORESOURCE_DMA | IORESOURCE_UNSET)) \
68 == IORESOURCE_DMA)
69 130
70#define PNP_PORT_FLAG_16BITADDR (1<<0) 131#define PNP_PORT_FLAG_16BITADDR (1<<0)
71#define PNP_PORT_FLAG_FIXED (1<<1) 132#define PNP_PORT_FLAG_FIXED (1<<1)
@@ -118,13 +179,6 @@ struct pnp_option {
118 struct pnp_option *next; /* used to chain dependent resources */ 179 struct pnp_option *next; /* used to chain dependent resources */
119}; 180};
120 181
121struct pnp_resource_table {
122 struct resource port_resource[PNP_MAX_PORT];
123 struct resource mem_resource[PNP_MAX_MEM];
124 struct resource dma_resource[PNP_MAX_DMA];
125 struct resource irq_resource[PNP_MAX_IRQ];
126};
127
128/* 182/*
129 * Device Management 183 * Device Management
130 */ 184 */
@@ -194,10 +248,9 @@ struct pnp_dev {
194 int capabilities; 248 int capabilities;
195 struct pnp_option *independent; 249 struct pnp_option *independent;
196 struct pnp_option *dependent; 250 struct pnp_option *dependent;
197 struct pnp_resource_table res; 251 struct pnp_resource_table *res;
198 252
199 char name[PNP_NAME_LEN]; /* contains a human-readable name */ 253 char name[PNP_NAME_LEN]; /* contains a human-readable name */
200 unsigned short regs; /* ISAPnP: supported registers */
201 int flags; /* used by protocols */ 254 int flags; /* used by protocols */
202 struct proc_dir_entry *procent; /* device entry in /proc/bus/isapnp */ 255 struct proc_dir_entry *procent; /* device entry in /proc/bus/isapnp */
203 void *data; 256 void *data;
@@ -328,8 +381,8 @@ struct pnp_protocol {
328 char *name; 381 char *name;
329 382
330 /* resource control functions */ 383 /* resource control functions */
331 int (*get) (struct pnp_dev *dev, struct pnp_resource_table *res); 384 int (*get) (struct pnp_dev *dev);
332 int (*set) (struct pnp_dev *dev, struct pnp_resource_table *res); 385 int (*set) (struct pnp_dev *dev);
333 int (*disable) (struct pnp_dev *dev); 386 int (*disable) (struct pnp_dev *dev);
334 387
335 /* protocol specific suspend/resume */ 388 /* protocol specific suspend/resume */
@@ -358,20 +411,12 @@ extern struct bus_type pnp_bus_type;
358#if defined(CONFIG_PNP) 411#if defined(CONFIG_PNP)
359 412
360/* device management */ 413/* device management */
361int pnp_register_protocol(struct pnp_protocol *protocol);
362void pnp_unregister_protocol(struct pnp_protocol *protocol);
363int pnp_add_device(struct pnp_dev *dev);
364int pnp_device_attach(struct pnp_dev *pnp_dev); 414int pnp_device_attach(struct pnp_dev *pnp_dev);
365void pnp_device_detach(struct pnp_dev *pnp_dev); 415void pnp_device_detach(struct pnp_dev *pnp_dev);
366extern struct list_head pnp_global; 416extern struct list_head pnp_global;
367extern int pnp_platform_devices; 417extern int pnp_platform_devices;
368 418
369/* multidevice card support */ 419/* multidevice card support */
370int pnp_add_card(struct pnp_card *card);
371void pnp_remove_card(struct pnp_card *card);
372int pnp_add_card_device(struct pnp_card *card, struct pnp_dev *dev);
373void pnp_remove_card_device(struct pnp_dev *dev);
374int pnp_add_card_id(struct pnp_id *id, struct pnp_card *card);
375struct pnp_dev *pnp_request_card_device(struct pnp_card_link *clink, 420struct pnp_dev *pnp_request_card_device(struct pnp_card_link *clink,
376 const char *id, struct pnp_dev *from); 421 const char *id, struct pnp_dev *from);
377void pnp_release_card_device(struct pnp_dev *dev); 422void pnp_release_card_device(struct pnp_dev *dev);
@@ -380,77 +425,42 @@ void pnp_unregister_card_driver(struct pnp_card_driver *drv);
380extern struct list_head pnp_cards; 425extern struct list_head pnp_cards;
381 426
382/* resource management */ 427/* resource management */
383struct pnp_option *pnp_register_independent_option(struct pnp_dev *dev);
384struct pnp_option *pnp_register_dependent_option(struct pnp_dev *dev,
385 int priority);
386int pnp_register_irq_resource(struct pnp_option *option, struct pnp_irq *data);
387int pnp_register_dma_resource(struct pnp_option *option, struct pnp_dma *data);
388int pnp_register_port_resource(struct pnp_option *option,
389 struct pnp_port *data);
390int pnp_register_mem_resource(struct pnp_option *option, struct pnp_mem *data);
391void pnp_init_resource_table(struct pnp_resource_table *table);
392int pnp_manual_config_dev(struct pnp_dev *dev, struct pnp_resource_table *res,
393 int mode);
394int pnp_auto_config_dev(struct pnp_dev *dev); 428int pnp_auto_config_dev(struct pnp_dev *dev);
395int pnp_validate_config(struct pnp_dev *dev);
396int pnp_start_dev(struct pnp_dev *dev); 429int pnp_start_dev(struct pnp_dev *dev);
397int pnp_stop_dev(struct pnp_dev *dev); 430int pnp_stop_dev(struct pnp_dev *dev);
398int pnp_activate_dev(struct pnp_dev *dev); 431int pnp_activate_dev(struct pnp_dev *dev);
399int pnp_disable_dev(struct pnp_dev *dev); 432int pnp_disable_dev(struct pnp_dev *dev);
400void pnp_resource_change(struct resource *resource, resource_size_t start,
401 resource_size_t size);
402 433
403/* protocol helpers */ 434/* protocol helpers */
404int pnp_is_active(struct pnp_dev *dev); 435int pnp_is_active(struct pnp_dev *dev);
405int compare_pnp_id(struct pnp_id *pos, const char *id); 436int compare_pnp_id(struct pnp_id *pos, const char *id);
406int pnp_add_id(struct pnp_id *id, struct pnp_dev *dev);
407int pnp_register_driver(struct pnp_driver *drv); 437int pnp_register_driver(struct pnp_driver *drv);
408void pnp_unregister_driver(struct pnp_driver *drv); 438void pnp_unregister_driver(struct pnp_driver *drv);
409 439
410#else 440#else
411 441
412/* device management */ 442/* device management */
413static inline int pnp_register_protocol(struct pnp_protocol *protocol) { return -ENODEV; }
414static inline void pnp_unregister_protocol(struct pnp_protocol *protocol) { }
415static inline int pnp_init_device(struct pnp_dev *dev) { return -ENODEV; }
416static inline int pnp_add_device(struct pnp_dev *dev) { return -ENODEV; }
417static inline int pnp_device_attach(struct pnp_dev *pnp_dev) { return -ENODEV; } 443static inline int pnp_device_attach(struct pnp_dev *pnp_dev) { return -ENODEV; }
418static inline void pnp_device_detach(struct pnp_dev *pnp_dev) { } 444static inline void pnp_device_detach(struct pnp_dev *pnp_dev) { }
419 445
420#define pnp_platform_devices 0 446#define pnp_platform_devices 0
421 447
422/* multidevice card support */ 448/* multidevice card support */
423static inline int pnp_add_card(struct pnp_card *card) { return -ENODEV; }
424static inline void pnp_remove_card(struct pnp_card *card) { }
425static inline int pnp_add_card_device(struct pnp_card *card, struct pnp_dev *dev) { return -ENODEV; }
426static inline void pnp_remove_card_device(struct pnp_dev *dev) { }
427static inline int pnp_add_card_id(struct pnp_id *id, struct pnp_card *card) { return -ENODEV; }
428static inline struct pnp_dev *pnp_request_card_device(struct pnp_card_link *clink, const char *id, struct pnp_dev *from) { return NULL; } 449static inline struct pnp_dev *pnp_request_card_device(struct pnp_card_link *clink, const char *id, struct pnp_dev *from) { return NULL; }
429static inline void pnp_release_card_device(struct pnp_dev *dev) { } 450static inline void pnp_release_card_device(struct pnp_dev *dev) { }
430static inline int pnp_register_card_driver(struct pnp_card_driver *drv) { return -ENODEV; } 451static inline int pnp_register_card_driver(struct pnp_card_driver *drv) { return -ENODEV; }
431static inline void pnp_unregister_card_driver(struct pnp_card_driver *drv) { } 452static inline void pnp_unregister_card_driver(struct pnp_card_driver *drv) { }
432 453
433/* resource management */ 454/* resource management */
434static inline struct pnp_option *pnp_register_independent_option(struct pnp_dev *dev) { return NULL; }
435static inline struct pnp_option *pnp_register_dependent_option(struct pnp_dev *dev, int priority) { return NULL; }
436static inline int pnp_register_irq_resource(struct pnp_option *option, struct pnp_irq *data) { return -ENODEV; }
437static inline int pnp_register_dma_resource(struct pnp_option *option, struct pnp_dma *data) { return -ENODEV; }
438static inline int pnp_register_port_resource(struct pnp_option *option, struct pnp_port *data) { return -ENODEV; }
439static inline int pnp_register_mem_resource(struct pnp_option *option, struct pnp_mem *data) { return -ENODEV; }
440static inline void pnp_init_resource_table(struct pnp_resource_table *table) { }
441static inline int pnp_manual_config_dev(struct pnp_dev *dev, struct pnp_resource_table *res, int mode) { return -ENODEV; }
442static inline int pnp_auto_config_dev(struct pnp_dev *dev) { return -ENODEV; } 455static inline int pnp_auto_config_dev(struct pnp_dev *dev) { return -ENODEV; }
443static inline int pnp_validate_config(struct pnp_dev *dev) { return -ENODEV; }
444static inline int pnp_start_dev(struct pnp_dev *dev) { return -ENODEV; } 456static inline int pnp_start_dev(struct pnp_dev *dev) { return -ENODEV; }
445static inline int pnp_stop_dev(struct pnp_dev *dev) { return -ENODEV; } 457static inline int pnp_stop_dev(struct pnp_dev *dev) { return -ENODEV; }
446static inline int pnp_activate_dev(struct pnp_dev *dev) { return -ENODEV; } 458static inline int pnp_activate_dev(struct pnp_dev *dev) { return -ENODEV; }
447static inline int pnp_disable_dev(struct pnp_dev *dev) { return -ENODEV; } 459static inline int pnp_disable_dev(struct pnp_dev *dev) { return -ENODEV; }
448static inline void pnp_resource_change(struct resource *resource, resource_size_t start, resource_size_t size) { }
449 460
450/* protocol helpers */ 461/* protocol helpers */
451static inline int pnp_is_active(struct pnp_dev *dev) { return 0; } 462static inline int pnp_is_active(struct pnp_dev *dev) { return 0; }
452static inline int compare_pnp_id(struct pnp_id *pos, const char *id) { return -ENODEV; } 463static inline int compare_pnp_id(struct pnp_id *pos, const char *id) { return -ENODEV; }
453static inline int pnp_add_id(struct pnp_id *id, struct pnp_dev *dev) { return -ENODEV; }
454static inline int pnp_register_driver(struct pnp_driver *drv) { return -ENODEV; } 464static inline int pnp_register_driver(struct pnp_driver *drv) { return -ENODEV; }
455static inline void pnp_unregister_driver(struct pnp_driver *drv) { } 465static inline void pnp_unregister_driver(struct pnp_driver *drv) { }
456 466
@@ -466,6 +476,4 @@ static inline void pnp_unregister_driver(struct pnp_driver *drv) { }
466#define pnp_dbg(format, arg...) do {} while (0) 476#define pnp_dbg(format, arg...) do {} while (0)
467#endif 477#endif
468 478
469#endif /* __KERNEL__ */
470
471#endif /* _LINUX_PNP_H */ 479#endif /* _LINUX_PNP_H */