include/asm-arm/ecard.h

   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
  15 #ifndef __ASM_ECARD_H
  16 #define __ASM_ECARD_H
  17
  18 /*
  19  * Currently understood cards (but not necessarily
  20  * supported):
  21  *                        Manufacturer  Product ID
  22  */
  23 #define MANU_ACORN              0x0000
  24 #define PROD_ACORN_SCSI                 0x0002
  25 #define PROD_ACORN_ETHER1               0x0003
  26 #define PROD_ACORN_MFM                  0x000b
  27
  28 #define MANU_ANT2               0x0011
  29 #define PROD_ANT_ETHER3                 0x00a4
  30
  31 #define MANU_ATOMWIDE           0x0017
  32 #define PROD_ATOMWIDE_3PSERIAL          0x0090
  33
  34 #define MANU_IRLAM_INSTRUMENTS  0x001f
  35 #define MANU_IRLAM_INSTRUMENTS_ETHERN   0x5678
  36
  37 #define MANU_OAK                0x0021
  38 #define PROD_OAK_SCSI                   0x0058
  39
  40 #define MANU_MORLEY             0x002b
  41 #define PROD_MORLEY_SCSI_UNCACHED       0x0067
  42
  43 #define MANU_CUMANA             0x003a
  44 #define PROD_CUMANA_SCSI_2              0x003a
  45 #define PROD_CUMANA_SCSI_1              0x00a0
  46
  47 #define MANU_ICS                0x003c
  48 #define PROD_ICS_IDE                    0x00ae
  49
  50 #define MANU_ICS2               0x003d
  51 #define PROD_ICS2_IDE                   0x00ae
  52
  53 #define MANU_SERPORT            0x003f
  54 #define PROD_SERPORT_DSPORT             0x00b9
  55
  56 #define MANU_ARXE               0x0041
  57 #define PROD_ARXE_SCSI                  0x00be
  58
  59 #define MANU_I3                 0x0046
  60 #define PROD_I3_ETHERLAN500             0x00d4
  61 #define PROD_I3_ETHERLAN600             0x00ec
  62 #define PROD_I3_ETHERLAN600A            0x011e
  63
  64 #define MANU_ANT                0x0053
  65 #define PROD_ANT_ETHERM                 0x00d8
  66 #define PROD_ANT_ETHERB                 0x00e4
  67
  68 #define MANU_ALSYSTEMS          0x005b
  69 #define PROD_ALSYS_SCSIATAPI            0x0107
  70
  71 #define MANU_MCS                0x0063
  72 #define PROD_MCS_CONNECT32              0x0125
  73
  74 #define MANU_EESOX              0x0064
  75 #define PROD_EESOX_SCSI2                0x008c
  76
  77 #define MANU_YELLOWSTONE        0x0096
  78 #define PROD_YELLOWSTONE_RAPIDE32       0x0120
  79
  80 #ifdef ECARD_C
  81 #define CONST
  82 #else
  83 #define CONST const
  84 #endif
  85
  86 #define MAX_ECARDS      9
  87
  88 typedef enum {                          /* Cards address space          */
  89         ECARD_IOC,
  90         ECARD_MEMC,
  91         ECARD_EASI
  92 } card_type_t;
  93
  94 typedef enum {                          /* Speed for ECARD_IOC space    */
  95         ECARD_SLOW       = 0,
  96         ECARD_MEDIUM     = 1,
  97         ECARD_FAST       = 2,
  98         ECARD_SYNC       = 3
  99 } card_speed_t;
 100
 101 struct ecard_id {                       /* Card ID structure            */
 102         unsigned short  manufacturer;
 103         unsigned short  product;
 104         void            *data;
 105 };
 106
 107 struct in_ecid {                        /* Packed card ID information   */
 108         unsigned short  product;        /* Product code                 */
 109         unsigned short  manufacturer;   /* Manufacturer code            */
 110         unsigned char   id:4;           /* Simple ID                    */
 111         unsigned char   cd:1;           /* Chunk dir present            */
 112         unsigned char   is:1;           /* Interrupt status pointers    */
 113         unsigned char   w:2;            /* Width                        */
 114         unsigned char   country;        /* Country                      */
 115         unsigned char   irqmask;        /* IRQ mask                     */
 116         unsigned char   fiqmask;        /* FIQ mask                     */
 117         unsigned long   irqoff;         /* IRQ offset                   */
 118         unsigned long   fiqoff;         /* FIQ offset                   */
 119 };
 120
 121 typedef struct expansion_card ecard_t;
 122 typedef unsigned long *loader_t;
 123
 124 typedef struct {                        /* Card handler routines        */
 125         void (*irqenable)(ecard_t *ec, int irqnr);
 126         void (*irqdisable)(ecard_t *ec, int irqnr);
 127         int  (*irqpending)(ecard_t *ec);
 128         void (*fiqenable)(ecard_t *ec, int fiqnr);
 129         void (*fiqdisable)(ecard_t *ec, int fiqnr);
 130         int  (*fiqpending)(ecard_t *ec);
 131 } expansioncard_ops_t;
 132
 133 #define ECARD_NUM_RESOURCES     (6)
 134
 135 #define ECARD_RES_IOCSLOW       (0)
 136 #define ECARD_RES_IOCMEDIUM     (1)
 137 #define ECARD_RES_IOCFAST       (2)
 138 #define ECARD_RES_IOCSYNC       (3)
 139 #define ECARD_RES_MEMC          (4)
 140 #define ECARD_RES_EASI          (5)
 141
 142 #define ecard_resource_start(ec,nr)     ((ec)->resource[nr].start)
 143 #define ecard_resource_end(ec,nr)       ((ec)->resource[nr].end)
 144 #define ecard_resource_len(ec,nr)       ((ec)->resource[nr].end - \
 145                                          (ec)->resource[nr].start + 1)
 146 #define ecard_resource_flags(ec,nr)     ((ec)->resource[nr].flags)
 147
 148 /*
 149  * This contains all the info needed on an expansion card
 150  */
 151 struct expansion_card {
 152         struct expansion_card  *next;
 153
 154         struct device           dev;
 155         struct resource         resource[ECARD_NUM_RESOURCES];
 156
 157         /* Public data */
 158         void __iomem            *irqaddr;       /* address of IRQ register      */
 159         void __iomem            *fiqaddr;       /* address of FIQ register      */
 160         unsigned char           irqmask;        /* IRQ mask                     */
 161         unsigned char           fiqmask;        /* FIQ mask                     */
 162         unsigned char           claimed;        /* Card claimed?                */
 163
 164         void                    *irq_data;      /* Data for use for IRQ by card */
 165         void                    *fiq_data;      /* Data for use for FIQ by card */
 166         const expansioncard_ops_t *ops;         /* Enable/Disable Ops for card  */
 167
 168         CONST unsigned int      slot_no;        /* Slot number                  */
 169         CONST unsigned int      dma;            /* DMA number (for request_dma) */
 170         CONST unsigned int      irq;            /* IRQ number (for request_irq) */
 171         CONST unsigned int      fiq;            /* FIQ number (for request_irq) */
 172         CONST card_type_t       type;           /* Type of card                 */
 173         CONST struct in_ecid    cid;            /* Card Identification          */
 174
 175         /* Private internal data */
 176         const char              *card_desc;     /* Card description             */
 177         CONST unsigned int      podaddr;        /* Base Linux address for card  */
 178         CONST loader_t          loader;         /* loader program */
 179         u64                     dma_mask;
 180 };
 181
 182 struct in_chunk_dir {
 183         unsigned int start_offset;
 184         union {
 185                 unsigned char string[256];
 186                 unsigned char data[1];
 187         } d;
 188 };
 189
 190 /*
 191  * ecard_claim: claim an expansion card entry
 192  */
 193 #define ecard_claim(ec) ((ec)->claimed = 1)
 194
 195 /*
 196  * ecard_release: release an expansion card entry
 197  */
 198 #define ecard_release(ec) ((ec)->claimed = 0)
 199
 200 /*
 201  * Read a chunk from an expansion card
 202  * cd : where to put read data
 203  * ec : expansion card info struct
 204  * id : id number to find
 205  * num: (n+1)'th id to find.
 206  */
 207 extern int ecard_readchunk (struct in_chunk_dir *cd, struct expansion_card *ec, int id, int num);
 208
 209 /*
 210  * Obtain the address of a card.  This returns the "old style" address
 211  * and should no longer be used.
 212  */
 213 static inline unsigned int __deprecated
 214 ecard_address(struct expansion_card *ec, card_type_t type, card_speed_t speed)
 215 {
 216         extern unsigned int __ecard_address(struct expansion_card *,
 217                                             card_type_t, card_speed_t);
 218         return __ecard_address(ec, type, speed);
 219 }
 220
 221 /*
 222  * Request and release ecard resources
 223  */
 224 extern int ecard_request_resources(struct expansion_card *ec);
 225 extern void ecard_release_resources(struct expansion_card *ec);
 226
 227 #ifdef ECARD_C
 228 /* Definitions internal to ecard.c - for it's use only!!
 229  *
 230  * External expansion card header as read from the card
 231  */
 232 struct ex_ecid {
 233         unsigned char   r_irq:1;
 234         unsigned char   r_zero:1;
 235         unsigned char   r_fiq:1;
 236         unsigned char   r_id:4;
 237         unsigned char   r_a:1;
 238
 239         unsigned char   r_cd:1;
 240         unsigned char   r_is:1;
 241         unsigned char   r_w:2;
 242         unsigned char   r_r1:4;
 243
 244         unsigned char   r_r2:8;
 245
 246         unsigned char   r_prod[2];
 247
 248         unsigned char   r_manu[2];
 249
 250         unsigned char   r_country;
 251
 252         unsigned char   r_fiqmask;
 253         unsigned char   r_fiqoff[3];
 254
 255         unsigned char   r_irqmask;
 256         unsigned char   r_irqoff[3];
 257 };
 258
 259 /*
 260  * Chunk directory entry as read from the card
 261  */
 262 struct ex_chunk_dir {
 263         unsigned char r_id;
 264         unsigned char r_len[3];
 265         unsigned long r_start;
 266         union {
 267                 char string[256];
 268                 char data[1];
 269         } d;
 270 #define c_id(x)         ((x)->r_id)
 271 #define c_len(x)        ((x)->r_len[0]|((x)->r_len[1]<<8)|((x)->r_len[2]<<16))
 272 #define c_start(x)      ((x)->r_start)
 273 };
 274
 275 #endif
 276
 277 extern struct bus_type ecard_bus_type;
 278
 279 #define ECARD_DEV(_d)   container_of((_d), struct expansion_card, dev)
 280
 281 struct ecard_driver {
 282         int                     (*probe)(struct expansion_card *, const struct ecard_id *id);
 283         void                    (*remove)(struct expansion_card *);
 284         void                    (*shutdown)(struct expansion_card *);
 285         const struct ecard_id   *id_table;
 286         unsigned int            id;
 287         struct device_driver    drv;
 288 };
 289
 290 #define ECARD_DRV(_d)   container_of((_d), struct ecard_driver, drv)
 291
 292 #define ecard_set_drvdata(ec,data)      dev_set_drvdata(&(ec)->dev, (data))
 293 #define ecard_get_drvdata(ec)           dev_get_drvdata(&(ec)->dev)
 294
 295 int ecard_register_driver(struct ecard_driver *);
 296 void ecard_remove_driver(struct ecard_driver *);
 297
 298 #endif