ecard.h 7.4 KB

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  1. /*
  2. * linux/include/asm-arm/ecard.h
  3. *
  4. * definitions for expansion cards
  5. *
  6. * This is a new system as from Linux 1.2.3
  7. *
  8. * Changelog:
  9. * 11-12-1996 RMK Further minor improvements
  10. * 12-09-1997 RMK Added interrupt enable/disable for card level
  11. *
  12. * Reference: Acorns Risc OS 3 Programmers Reference Manuals.
  13. */
  14. #ifndef __ASM_ECARD_H
  15. #define __ASM_ECARD_H
  16. /*
  17. * Currently understood cards (but not necessarily
  18. * supported):
  19. * Manufacturer Product ID
  20. */
  21. #define MANU_ACORN 0x0000
  22. #define PROD_ACORN_SCSI 0x0002
  23. #define PROD_ACORN_ETHER1 0x0003
  24. #define PROD_ACORN_MFM 0x000b
  25. #define MANU_ANT2 0x0011
  26. #define PROD_ANT_ETHER3 0x00a4
  27. #define MANU_ATOMWIDE 0x0017
  28. #define PROD_ATOMWIDE_3PSERIAL 0x0090
  29. #define MANU_IRLAM_INSTRUMENTS 0x001f
  30. #define MANU_IRLAM_INSTRUMENTS_ETHERN 0x5678
  31. #define MANU_OAK 0x0021
  32. #define PROD_OAK_SCSI 0x0058
  33. #define MANU_MORLEY 0x002b
  34. #define PROD_MORLEY_SCSI_UNCACHED 0x0067
  35. #define MANU_CUMANA 0x003a
  36. #define PROD_CUMANA_SCSI_2 0x003a
  37. #define PROD_CUMANA_SCSI_1 0x00a0
  38. #define MANU_ICS 0x003c
  39. #define PROD_ICS_IDE 0x00ae
  40. #define MANU_ICS2 0x003d
  41. #define PROD_ICS2_IDE 0x00ae
  42. #define MANU_SERPORT 0x003f
  43. #define PROD_SERPORT_DSPORT 0x00b9
  44. #define MANU_ARXE 0x0041
  45. #define PROD_ARXE_SCSI 0x00be
  46. #define MANU_I3 0x0046
  47. #define PROD_I3_ETHERLAN500 0x00d4
  48. #define PROD_I3_ETHERLAN600 0x00ec
  49. #define PROD_I3_ETHERLAN600A 0x011e
  50. #define MANU_ANT 0x0053
  51. #define PROD_ANT_ETHERM 0x00d8
  52. #define PROD_ANT_ETHERB 0x00e4
  53. #define MANU_ALSYSTEMS 0x005b
  54. #define PROD_ALSYS_SCSIATAPI 0x0107
  55. #define MANU_MCS 0x0063
  56. #define PROD_MCS_CONNECT32 0x0125
  57. #define MANU_EESOX 0x0064
  58. #define PROD_EESOX_SCSI2 0x008c
  59. #define MANU_YELLOWSTONE 0x0096
  60. #define PROD_YELLOWSTONE_RAPIDE32 0x0120
  61. #ifdef ECARD_C
  62. #define CONST
  63. #else
  64. #define CONST const
  65. #endif
  66. #define MAX_ECARDS 9
  67. typedef enum { /* Cards address space */
  68. ECARD_IOC,
  69. ECARD_MEMC,
  70. ECARD_EASI
  71. } card_type_t;
  72. typedef enum { /* Speed for ECARD_IOC space */
  73. ECARD_SLOW = 0,
  74. ECARD_MEDIUM = 1,
  75. ECARD_FAST = 2,
  76. ECARD_SYNC = 3
  77. } card_speed_t;
  78. struct ecard_id { /* Card ID structure */
  79. unsigned short manufacturer;
  80. unsigned short product;
  81. void *data;
  82. };
  83. struct in_ecid { /* Packed card ID information */
  84. unsigned short product; /* Product code */
  85. unsigned short manufacturer; /* Manufacturer code */
  86. unsigned char id:4; /* Simple ID */
  87. unsigned char cd:1; /* Chunk dir present */
  88. unsigned char is:1; /* Interrupt status pointers */
  89. unsigned char w:2; /* Width */
  90. unsigned char country; /* Country */
  91. unsigned char irqmask; /* IRQ mask */
  92. unsigned char fiqmask; /* FIQ mask */
  93. unsigned long irqoff; /* IRQ offset */
  94. unsigned long fiqoff; /* FIQ offset */
  95. };
  96. typedef struct expansion_card ecard_t;
  97. typedef unsigned long *loader_t;
  98. typedef struct { /* Card handler routines */
  99. void (*irqenable)(ecard_t *ec, int irqnr);
  100. void (*irqdisable)(ecard_t *ec, int irqnr);
  101. int (*irqpending)(ecard_t *ec);
  102. void (*fiqenable)(ecard_t *ec, int fiqnr);
  103. void (*fiqdisable)(ecard_t *ec, int fiqnr);
  104. int (*fiqpending)(ecard_t *ec);
  105. } expansioncard_ops_t;
  106. #define ECARD_NUM_RESOURCES (6)
  107. #define ECARD_RES_IOCSLOW (0)
  108. #define ECARD_RES_IOCMEDIUM (1)
  109. #define ECARD_RES_IOCFAST (2)
  110. #define ECARD_RES_IOCSYNC (3)
  111. #define ECARD_RES_MEMC (4)
  112. #define ECARD_RES_EASI (5)
  113. #define ecard_resource_start(ec,nr) ((ec)->resource[nr].start)
  114. #define ecard_resource_end(ec,nr) ((ec)->resource[nr].end)
  115. #define ecard_resource_len(ec,nr) ((ec)->resource[nr].end - \
  116. (ec)->resource[nr].start + 1)
  117. #define ecard_resource_flags(ec,nr) ((ec)->resource[nr].flags)
  118. /*
  119. * This contains all the info needed on an expansion card
  120. */
  121. struct expansion_card {
  122. struct expansion_card *next;
  123. struct device dev;
  124. struct resource resource[ECARD_NUM_RESOURCES];
  125. /* Public data */
  126. void __iomem *irqaddr; /* address of IRQ register */
  127. void __iomem *fiqaddr; /* address of FIQ register */
  128. unsigned char irqmask; /* IRQ mask */
  129. unsigned char fiqmask; /* FIQ mask */
  130. unsigned char claimed; /* Card claimed? */
  131. void *irq_data; /* Data for use for IRQ by card */
  132. void *fiq_data; /* Data for use for FIQ by card */
  133. const expansioncard_ops_t *ops; /* Enable/Disable Ops for card */
  134. CONST unsigned int slot_no; /* Slot number */
  135. CONST unsigned int dma; /* DMA number (for request_dma) */
  136. CONST unsigned int irq; /* IRQ number (for request_irq) */
  137. CONST unsigned int fiq; /* FIQ number (for request_irq) */
  138. CONST card_type_t type; /* Type of card */
  139. CONST struct in_ecid cid; /* Card Identification */
  140. /* Private internal data */
  141. const char *card_desc; /* Card description */
  142. CONST unsigned int podaddr; /* Base Linux address for card */
  143. CONST loader_t loader; /* loader program */
  144. u64 dma_mask;
  145. };
  146. struct in_chunk_dir {
  147. unsigned int start_offset;
  148. union {
  149. unsigned char string[256];
  150. unsigned char data[1];
  151. } d;
  152. };
  153. /*
  154. * ecard_claim: claim an expansion card entry
  155. */
  156. #define ecard_claim(ec) ((ec)->claimed = 1)
  157. /*
  158. * ecard_release: release an expansion card entry
  159. */
  160. #define ecard_release(ec) ((ec)->claimed = 0)
  161. /*
  162. * Read a chunk from an expansion card
  163. * cd : where to put read data
  164. * ec : expansion card info struct
  165. * id : id number to find
  166. * num: (n+1)'th id to find.
  167. */
  168. extern int ecard_readchunk (struct in_chunk_dir *cd, struct expansion_card *ec, int id, int num);
  169. /*
  170. * Obtain the address of a card. This returns the "old style" address
  171. * and should no longer be used.
  172. */
  173. static inline unsigned int __deprecated
  174. ecard_address(struct expansion_card *ec, card_type_t type, card_speed_t speed)
  175. {
  176. extern unsigned int __ecard_address(struct expansion_card *,
  177. card_type_t, card_speed_t);
  178. return __ecard_address(ec, type, speed);
  179. }
  180. /*
  181. * Request and release ecard resources
  182. */
  183. extern int ecard_request_resources(struct expansion_card *ec);
  184. extern void ecard_release_resources(struct expansion_card *ec);
  185. #ifdef ECARD_C
  186. /* Definitions internal to ecard.c - for it's use only!!
  187. *
  188. * External expansion card header as read from the card
  189. */
  190. struct ex_ecid {
  191. unsigned char r_irq:1;
  192. unsigned char r_zero:1;
  193. unsigned char r_fiq:1;
  194. unsigned char r_id:4;
  195. unsigned char r_a:1;
  196. unsigned char r_cd:1;
  197. unsigned char r_is:1;
  198. unsigned char r_w:2;
  199. unsigned char r_r1:4;
  200. unsigned char r_r2:8;
  201. unsigned char r_prod[2];
  202. unsigned char r_manu[2];
  203. unsigned char r_country;
  204. unsigned char r_fiqmask;
  205. unsigned char r_fiqoff[3];
  206. unsigned char r_irqmask;
  207. unsigned char r_irqoff[3];
  208. };
  209. /*
  210. * Chunk directory entry as read from the card
  211. */
  212. struct ex_chunk_dir {
  213. unsigned char r_id;
  214. unsigned char r_len[3];
  215. unsigned long r_start;
  216. union {
  217. char string[256];
  218. char data[1];
  219. } d;
  220. #define c_id(x) ((x)->r_id)
  221. #define c_len(x) ((x)->r_len[0]|((x)->r_len[1]<<8)|((x)->r_len[2]<<16))
  222. #define c_start(x) ((x)->r_start)
  223. };
  224. #endif
  225. extern struct bus_type ecard_bus_type;
  226. #define ECARD_DEV(_d) container_of((_d), struct expansion_card, dev)
  227. struct ecard_driver {
  228. int (*probe)(struct expansion_card *, const struct ecard_id *id);
  229. void (*remove)(struct expansion_card *);
  230. void (*shutdown)(struct expansion_card *);
  231. const struct ecard_id *id_table;
  232. unsigned int id;
  233. struct device_driver drv;
  234. };
  235. #define ECARD_DRV(_d) container_of((_d), struct ecard_driver, drv)
  236. #define ecard_set_drvdata(ec,data) dev_set_drvdata(&(ec)->dev, (data))
  237. #define ecard_get_drvdata(ec) dev_get_drvdata(&(ec)->dev)
  238. int ecard_register_driver(struct ecard_driver *);
  239. void ecard_remove_driver(struct ecard_driver *);
  240. #endif