ss.h 7.9 KB

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  1. /*
  2. * ss.h
  3. *
  4. * This program is free software; you can redistribute it and/or modify
  5. * it under the terms of the GNU General Public License version 2 as
  6. * published by the Free Software Foundation.
  7. *
  8. * The initial developer of the original code is David A. Hinds
  9. * <dahinds@users.sourceforge.net>. Portions created by David A. Hinds
  10. * are Copyright (C) 1999 David A. Hinds. All Rights Reserved.
  11. *
  12. * (C) 1999 David A. Hinds
  13. */
  14. #ifndef _LINUX_SS_H
  15. #define _LINUX_SS_H
  16. #include <linux/device.h>
  17. #include <linux/sched.h> /* task_struct, completion */
  18. #include <linux/mutex.h>
  19. #include <pcmcia/cs_types.h>
  20. #include <pcmcia/cs.h>
  21. #include <pcmcia/bulkmem.h>
  22. #ifdef CONFIG_CARDBUS
  23. #include <linux/pci.h>
  24. #endif
  25. /* Definitions for card status flags for GetStatus */
  26. #define SS_WRPROT 0x0001
  27. #define SS_CARDLOCK 0x0002
  28. #define SS_EJECTION 0x0004
  29. #define SS_INSERTION 0x0008
  30. #define SS_BATDEAD 0x0010
  31. #define SS_BATWARN 0x0020
  32. #define SS_READY 0x0040
  33. #define SS_DETECT 0x0080
  34. #define SS_POWERON 0x0100
  35. #define SS_GPI 0x0200
  36. #define SS_STSCHG 0x0400
  37. #define SS_CARDBUS 0x0800
  38. #define SS_3VCARD 0x1000
  39. #define SS_XVCARD 0x2000
  40. #define SS_PENDING 0x4000
  41. #define SS_ZVCARD 0x8000
  42. /* InquireSocket capabilities */
  43. #define SS_CAP_PAGE_REGS 0x0001
  44. #define SS_CAP_VIRTUAL_BUS 0x0002
  45. #define SS_CAP_MEM_ALIGN 0x0004
  46. #define SS_CAP_STATIC_MAP 0x0008
  47. #define SS_CAP_PCCARD 0x4000
  48. #define SS_CAP_CARDBUS 0x8000
  49. /* for GetSocket, SetSocket */
  50. typedef struct socket_state_t {
  51. u_int flags;
  52. u_int csc_mask;
  53. u_char Vcc, Vpp;
  54. u_char io_irq;
  55. } socket_state_t;
  56. extern socket_state_t dead_socket;
  57. /* Socket configuration flags */
  58. #define SS_PWR_AUTO 0x0010
  59. #define SS_IOCARD 0x0020
  60. #define SS_RESET 0x0040
  61. #define SS_DMA_MODE 0x0080
  62. #define SS_SPKR_ENA 0x0100
  63. #define SS_OUTPUT_ENA 0x0200
  64. /* Flags for I/O port and memory windows */
  65. #define MAP_ACTIVE 0x01
  66. #define MAP_16BIT 0x02
  67. #define MAP_AUTOSZ 0x04
  68. #define MAP_0WS 0x08
  69. #define MAP_WRPROT 0x10
  70. #define MAP_ATTRIB 0x20
  71. #define MAP_USE_WAIT 0x40
  72. #define MAP_PREFETCH 0x80
  73. /* Use this just for bridge windows */
  74. #define MAP_IOSPACE 0x20
  75. /* power hook operations */
  76. #define HOOK_POWER_PRE 0x01
  77. #define HOOK_POWER_POST 0x02
  78. typedef struct pccard_io_map {
  79. u_char map;
  80. u_char flags;
  81. u_short speed;
  82. kio_addr_t start, stop;
  83. } pccard_io_map;
  84. typedef struct pccard_mem_map {
  85. u_char map;
  86. u_char flags;
  87. u_short speed;
  88. u_long static_start;
  89. u_int card_start;
  90. struct resource *res;
  91. } pccard_mem_map;
  92. typedef struct cb_bridge_map {
  93. u_char map;
  94. u_char flags;
  95. u_int start, stop;
  96. } cb_bridge_map;
  97. /*
  98. * Socket operations.
  99. */
  100. struct pcmcia_socket;
  101. struct pccard_operations {
  102. int (*init)(struct pcmcia_socket *sock);
  103. int (*suspend)(struct pcmcia_socket *sock);
  104. int (*get_status)(struct pcmcia_socket *sock, u_int *value);
  105. int (*set_socket)(struct pcmcia_socket *sock, socket_state_t *state);
  106. int (*set_io_map)(struct pcmcia_socket *sock, struct pccard_io_map *io);
  107. int (*set_mem_map)(struct pcmcia_socket *sock, struct pccard_mem_map *mem);
  108. };
  109. struct pccard_resource_ops {
  110. int (*validate_mem) (struct pcmcia_socket *s);
  111. int (*adjust_io_region) (struct resource *res,
  112. unsigned long r_start,
  113. unsigned long r_end,
  114. struct pcmcia_socket *s);
  115. struct resource* (*find_io) (unsigned long base, int num,
  116. unsigned long align,
  117. struct pcmcia_socket *s);
  118. struct resource* (*find_mem) (unsigned long base, unsigned long num,
  119. unsigned long align, int low,
  120. struct pcmcia_socket *s);
  121. int (*adjust_resource) (struct pcmcia_socket *s,
  122. adjust_t *adj);
  123. int (*init) (struct pcmcia_socket *s);
  124. void (*exit) (struct pcmcia_socket *s);
  125. };
  126. /* SS_CAP_STATIC_MAP */
  127. extern struct pccard_resource_ops pccard_static_ops;
  128. /* !SS_CAP_STATIC_MAP */
  129. extern struct pccard_resource_ops pccard_nonstatic_ops;
  130. /* static mem, dynamic IO sockets */
  131. extern struct pccard_resource_ops pccard_iodyn_ops;
  132. /*
  133. * Calls to set up low-level "Socket Services" drivers
  134. */
  135. struct pcmcia_socket;
  136. typedef struct io_window_t {
  137. kio_addr_t InUse, Config;
  138. struct resource *res;
  139. } io_window_t;
  140. #define WINDOW_MAGIC 0xB35C
  141. typedef struct window_t {
  142. u_short magic;
  143. u_short index;
  144. struct pcmcia_device *handle;
  145. struct pcmcia_socket *sock;
  146. pccard_mem_map ctl;
  147. } window_t;
  148. /* Maximum number of IO windows per socket */
  149. #define MAX_IO_WIN 2
  150. /* Maximum number of memory windows per socket */
  151. #define MAX_WIN 4
  152. struct config_t;
  153. struct pcmcia_callback;
  154. struct user_info_t;
  155. struct pcmcia_socket {
  156. struct module *owner;
  157. spinlock_t lock;
  158. socket_state_t socket;
  159. u_int state;
  160. u_short functions;
  161. u_short lock_count;
  162. pccard_mem_map cis_mem;
  163. void __iomem *cis_virt;
  164. struct {
  165. u_int AssignedIRQ;
  166. u_int Config;
  167. } irq;
  168. io_window_t io[MAX_IO_WIN];
  169. window_t win[MAX_WIN];
  170. struct list_head cis_cache;
  171. u_int fake_cis_len;
  172. char *fake_cis;
  173. struct list_head socket_list;
  174. struct completion socket_released;
  175. /* deprecated */
  176. unsigned int sock; /* socket number */
  177. /* socket capabilities */
  178. u_int features;
  179. u_int irq_mask;
  180. u_int map_size;
  181. kio_addr_t io_offset;
  182. u_char pci_irq;
  183. struct pci_dev * cb_dev;
  184. /* socket setup is done so resources should be able to be allocated. Only
  185. * if set to 1, calls to find_{io,mem}_region are handled, and insertion
  186. * events are actually managed by the PCMCIA layer.*/
  187. u8 resource_setup_done:1;
  188. /* is set to one if resource setup is done using adjust_resource_info() */
  189. u8 resource_setup_old:1;
  190. u8 resource_setup_new:1;
  191. u8 reserved:5;
  192. /* socket operations */
  193. struct pccard_operations * ops;
  194. struct pccard_resource_ops * resource_ops;
  195. void * resource_data;
  196. /* Zoom video behaviour is so chip specific its not worth adding
  197. this to _ops */
  198. void (*zoom_video)(struct pcmcia_socket *, int);
  199. /* so is power hook */
  200. int (*power_hook)(struct pcmcia_socket *sock, int operation);
  201. #ifdef CONFIG_CARDBUS
  202. /* allows tuning the CB bridge before loading driver for the CB card */
  203. void (*tune_bridge)(struct pcmcia_socket *sock, struct pci_bus *bus);
  204. #endif
  205. /* state thread */
  206. struct mutex skt_mutex; /* protects socket h/w state */
  207. struct task_struct *thread;
  208. struct completion thread_done;
  209. wait_queue_head_t thread_wait;
  210. spinlock_t thread_lock; /* protects thread_events */
  211. unsigned int thread_events;
  212. /* pcmcia (16-bit) */
  213. struct pcmcia_callback *callback;
  214. #if defined(CONFIG_PCMCIA) || defined(CONFIG_PCMCIA_MODULE)
  215. struct list_head devices_list; /* PCMCIA devices */
  216. u8 device_count; /* the number of devices, used
  217. * only internally and subject
  218. * to incorrectness and change */
  219. struct {
  220. u8 present:1, /* PCMCIA card is present in socket */
  221. busy:1, /* "master" ioctl is used */
  222. dead:1, /* pcmcia module is being unloaded */
  223. device_add_pending:1, /* a multifunction-device
  224. * add event is pending */
  225. mfc_pfc:1, /* the pending event adds a mfc (1) or pfc (0) */
  226. reserved:3;
  227. } pcmcia_state;
  228. struct work_struct device_add; /* for adding further pseudo-multifunction
  229. * devices */
  230. #ifdef CONFIG_PCMCIA_IOCTL
  231. struct user_info_t *user;
  232. wait_queue_head_t queue;
  233. #endif
  234. #endif
  235. /* cardbus (32-bit) */
  236. #ifdef CONFIG_CARDBUS
  237. struct resource * cb_cis_res;
  238. void __iomem *cb_cis_virt;
  239. #endif
  240. /* socket device */
  241. struct device dev;
  242. void *driver_data; /* data internal to the socket driver */
  243. };
  244. struct pcmcia_socket * pcmcia_get_socket_by_nr(unsigned int nr);
  245. extern void pcmcia_parse_events(struct pcmcia_socket *socket, unsigned int events);
  246. extern int pcmcia_register_socket(struct pcmcia_socket *socket);
  247. extern void pcmcia_unregister_socket(struct pcmcia_socket *socket);
  248. extern struct class pcmcia_socket_class;
  249. /* socket drivers are expected to use these callbacks in their .drv struct */
  250. extern int pcmcia_socket_dev_suspend(struct device *dev, pm_message_t state);
  251. extern int pcmcia_socket_dev_resume(struct device *dev);
  252. #endif /* _LINUX_SS_H */