cs_internal.h 5.0 KB

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  1. /* SPDX-License-Identifier: GPL-2.0-only */
  2. /*
  3. * cs_internal.h -- definitions internal to the PCMCIA core modules
  4. *
  5. * The initial developer of the original code is David A. Hinds
  6. * <dahinds@users.sourceforge.net>. Portions created by David A. Hinds
  7. * are Copyright (C) 1999 David A. Hinds. All Rights Reserved.
  8. *
  9. * (C) 1999 David A. Hinds
  10. * (C) 2003 - 2010 Dominik Brodowski
  11. *
  12. * This file contains definitions _only_ needed by the PCMCIA core modules.
  13. * It must not be included by PCMCIA socket drivers or by PCMCIA device
  14. * drivers.
  15. */
  16. #ifndef _LINUX_CS_INTERNAL_H
  17. #define _LINUX_CS_INTERNAL_H
  18. #include <linux/kref.h>
  19. /* Flags in client state */
  20. #define CLIENT_WIN_REQ(i) (0x1<<(i))
  21. /* Flag to access all functions */
  22. #define BIND_FN_ALL 0xff
  23. /* Each card function gets one of these guys */
  24. typedef struct config_t {
  25. struct kref ref;
  26. unsigned int state;
  27. struct resource io[MAX_IO_WIN]; /* io ports */
  28. struct resource mem[MAX_WIN]; /* mem areas */
  29. } config_t;
  30. struct cis_cache_entry {
  31. struct list_head node;
  32. unsigned int addr;
  33. unsigned int len;
  34. unsigned int attr;
  35. unsigned char cache[];
  36. };
  37. struct pccard_resource_ops {
  38. int (*validate_mem) (struct pcmcia_socket *s);
  39. int (*find_io) (struct pcmcia_socket *s,
  40. unsigned int attr,
  41. unsigned int *base,
  42. unsigned int num,
  43. unsigned int align,
  44. struct resource **parent);
  45. struct resource* (*find_mem) (unsigned long base, unsigned long num,
  46. unsigned long align, int low,
  47. struct pcmcia_socket *s);
  48. int (*init) (struct pcmcia_socket *s);
  49. void (*exit) (struct pcmcia_socket *s);
  50. };
  51. /* Flags in config state */
  52. #define CONFIG_LOCKED 0x01
  53. #define CONFIG_IRQ_REQ 0x02
  54. #define CONFIG_IO_REQ 0x04
  55. /* Flags in socket state */
  56. #define SOCKET_PRESENT 0x0008
  57. #define SOCKET_INUSE 0x0010
  58. #define SOCKET_IN_RESUME 0x0040
  59. #define SOCKET_SUSPEND 0x0080
  60. #define SOCKET_WIN_REQ(i) (0x0100<<(i))
  61. #define SOCKET_CARDBUS 0x8000
  62. #define SOCKET_CARDBUS_CONFIG 0x10000
  63. /*
  64. * Stuff internal to module "pcmcia_rsrc":
  65. */
  66. extern int static_init(struct pcmcia_socket *s);
  67. extern struct resource *pcmcia_make_resource(resource_size_t start,
  68. resource_size_t end,
  69. unsigned long flags, const char *name);
  70. /*
  71. * Stuff internal to module "pcmcia_core":
  72. */
  73. /* socket_sysfs.c */
  74. extern int pccard_sysfs_add_socket(struct device *dev);
  75. extern void pccard_sysfs_remove_socket(struct device *dev);
  76. /* cardbus.c */
  77. int cb_alloc(struct pcmcia_socket *s);
  78. void cb_free(struct pcmcia_socket *s);
  79. /*
  80. * Stuff exported by module "pcmcia_core" to module "pcmcia"
  81. */
  82. struct pcmcia_callback{
  83. struct module *owner;
  84. int (*add) (struct pcmcia_socket *s);
  85. int (*remove) (struct pcmcia_socket *s);
  86. void (*requery) (struct pcmcia_socket *s);
  87. int (*validate) (struct pcmcia_socket *s, unsigned int *i);
  88. int (*suspend) (struct pcmcia_socket *s);
  89. int (*early_resume) (struct pcmcia_socket *s);
  90. int (*resume) (struct pcmcia_socket *s);
  91. };
  92. /* cs.c */
  93. extern struct rw_semaphore pcmcia_socket_list_rwsem;
  94. extern struct list_head pcmcia_socket_list;
  95. extern struct class pcmcia_socket_class;
  96. int pccard_register_pcmcia(struct pcmcia_socket *s, struct pcmcia_callback *c);
  97. struct pcmcia_socket *pcmcia_get_socket_by_nr(unsigned int nr);
  98. void pcmcia_parse_uevents(struct pcmcia_socket *socket, unsigned int events);
  99. #define PCMCIA_UEVENT_EJECT 0x0001
  100. #define PCMCIA_UEVENT_INSERT 0x0002
  101. #define PCMCIA_UEVENT_SUSPEND 0x0004
  102. #define PCMCIA_UEVENT_RESUME 0x0008
  103. #define PCMCIA_UEVENT_REQUERY 0x0010
  104. struct pcmcia_socket *pcmcia_get_socket(struct pcmcia_socket *skt);
  105. void pcmcia_put_socket(struct pcmcia_socket *skt);
  106. /*
  107. * Stuff internal to module "pcmcia".
  108. */
  109. /* ds.c */
  110. extern struct bus_type pcmcia_bus_type;
  111. struct pcmcia_device;
  112. /* pcmcia_resource.c */
  113. extern int pcmcia_release_configuration(struct pcmcia_device *p_dev);
  114. extern int pcmcia_validate_mem(struct pcmcia_socket *s);
  115. extern struct resource *pcmcia_find_mem_region(u_long base,
  116. u_long num,
  117. u_long align,
  118. int low,
  119. struct pcmcia_socket *s);
  120. void pcmcia_cleanup_irq(struct pcmcia_socket *s);
  121. int pcmcia_setup_irq(struct pcmcia_device *p_dev);
  122. /* cistpl.c */
  123. extern const struct bin_attribute pccard_cis_attr;
  124. int pcmcia_read_cis_mem(struct pcmcia_socket *s, int attr,
  125. u_int addr, u_int len, void *ptr);
  126. int pcmcia_write_cis_mem(struct pcmcia_socket *s, int attr,
  127. u_int addr, u_int len, void *ptr);
  128. void release_cis_mem(struct pcmcia_socket *s);
  129. void destroy_cis_cache(struct pcmcia_socket *s);
  130. int pccard_read_tuple(struct pcmcia_socket *s, unsigned int function,
  131. cisdata_t code, void *parse);
  132. int pcmcia_replace_cis(struct pcmcia_socket *s,
  133. const u8 *data, const size_t len);
  134. int pccard_validate_cis(struct pcmcia_socket *s, unsigned int *count);
  135. int verify_cis_cache(struct pcmcia_socket *s);
  136. int pccard_get_first_tuple(struct pcmcia_socket *s, unsigned int function,
  137. tuple_t *tuple);
  138. int pccard_get_next_tuple(struct pcmcia_socket *s, unsigned int function,
  139. tuple_t *tuple);
  140. int pccard_get_tuple_data(struct pcmcia_socket *s, tuple_t *tuple);
  141. #endif /* _LINUX_CS_INTERNAL_H */