include/asm-arm26/ecard.h

   1 /*
   2  * linux/include/asm-arm26/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  *  18-05-2003  IM      Adjusted for ARM26
  12  *
  13  * Reference: Acorns Risc OS 3 Programmers Reference Manuals.
  14  */
  15
  16 #ifndef __ASM_ECARD_H
  17 #define __ASM_ECARD_H
  18
  19 /*
  20  * Currently understood cards (but not necessarily
  21  * supported):
  22  *                        Manufacturer  Product ID
  23  */
  24 #define MANU_ACORN              0x0000
  25 #define PROD_ACORN_SCSI                 0x0002
  26 #define PROD_ACORN_ETHER1               0x0003
  27 #define PROD_ACORN_MFM                  0x000b
  28
  29 #define MANU_CCONCEPTS          0x0009
  30 #define PROD_CCONCEPTS_COLOURCARD       0x0050
  31
  32 #define MANU_ANT2               0x0011
  33 #define PROD_ANT_ETHER3                 0x00a4
  34
  35 #define MANU_ATOMWIDE           0x0017
  36 #define PROD_ATOMWIDE_3PSERIAL          0x0090
  37
  38 #define MANU_IRLAM_INSTRUMENTS  0x001f
  39 #define MANU_IRLAM_INSTRUMENTS_ETHERN   0x5678
  40
  41 #define MANU_OAK                0x0021
  42 #define PROD_OAK_SCSI                   0x0058
  43
  44 #define MANU_MORLEY             0x002b
  45 #define PROD_MORLEY_SCSI_UNCACHED       0x0067
  46
  47 #define MANU_CUMANA             0x003a
  48 #define PROD_CUMANA_SCSI_2              0x003a
  49 #define PROD_CUMANA_SCSI_1              0x00a0
  50
  51 #define MANU_ICS                0x003c
  52 #define PROD_ICS_IDE                    0x00ae
  53
  54 #define MANU_ICS2               0x003d
  55 #define PROD_ICS2_IDE                   0x00ae
  56
  57 #define MANU_SERPORT            0x003f
  58 #define PROD_SERPORT_DSPORT             0x00b9
  59
  60 #define MANU_ARXE               0x0041
  61 #define PROD_ARXE_SCSI                  0x00be
  62
  63 #define MANU_I3                 0x0046
  64 #define PROD_I3_ETHERLAN500             0x00d4
  65 #define PROD_I3_ETHERLAN600             0x00ec
  66 #define PROD_I3_ETHERLAN600A            0x011e
  67
  68 #define MANU_ANT                0x0053
  69 #define PROD_ANT_ETHERM                 0x00d8
  70 #define PROD_ANT_ETHERB                 0x00e4
  71
  72 #define MANU_ALSYSTEMS          0x005b
  73 #define PROD_ALSYS_SCSIATAPI            0x0107
  74
  75 #define MANU_MCS                0x0063
  76 #define PROD_MCS_CONNECT32              0x0125
  77
  78 #define MANU_EESOX              0x0064
  79 #define PROD_EESOX_SCSI2                0x008c
  80
  81 #define MANU_YELLOWSTONE        0x0096
  82 #define PROD_YELLOWSTONE_RAPIDE32       0x0120
  83
  84 #define MANU_SIMTEC             0x005f
  85 #define PROD_SIMTEC_IDE8                0x0130
  86 #define PROD_SIMTEC_IDE16               0x0131
  87
  88
  89 #ifdef ECARD_C
  90 #define CONST
  91 #else
  92 #define CONST const
  93 #endif
  94
  95 #define MAX_ECARDS      4
  96
  97 typedef enum {                          /* Cards address space          */
  98         ECARD_IOC,
  99         ECARD_MEMC,
 100         ECARD_EASI
 101 } card_type_t;
 102
 103 typedef enum {                          /* Speed for ECARD_IOC space    */
 104         ECARD_SLOW       = 0,
 105         ECARD_MEDIUM     = 1,
 106         ECARD_FAST       = 2,
 107         ECARD_SYNC       = 3
 108 } card_speed_t;
 109
 110 struct ecard_id {                       /* Card ID structure            */
 111         unsigned short  manufacturer;
 112         unsigned short  product;
 113         void            *data;
 114 };
 115
 116 struct in_ecid {                        /* Packed card ID information   */
 117         unsigned short  product;        /* Product code                 */
 118         unsigned short  manufacturer;   /* Manufacturer code            */
 119         unsigned char   id:4;           /* Simple ID                    */
 120         unsigned char   cd:1;           /* Chunk dir present            */
 121         unsigned char   is:1;           /* Interrupt status pointers    */
 122         unsigned char   w:2;            /* Width                        */
 123         unsigned char   country;        /* Country                      */
 124         unsigned char   irqmask;        /* IRQ mask                     */
 125         unsigned char   fiqmask;        /* FIQ mask                     */
 126         unsigned long   irqoff;         /* IRQ offset                   */
 127         unsigned long   fiqoff;         /* FIQ offset                   */
 128 };
 129
 130 typedef struct expansion_card ecard_t;
 131 typedef unsigned long *loader_t;
 132
 133 typedef struct {                        /* Card handler routines        */
 134         void (*irqenable)(ecard_t *ec, int irqnr);
 135         void (*irqdisable)(ecard_t *ec, int irqnr);
 136         int  (*irqpending)(ecard_t *ec);
 137         void (*fiqenable)(ecard_t *ec, int fiqnr);
 138         void (*fiqdisable)(ecard_t *ec, int fiqnr);
 139         int  (*fiqpending)(ecard_t *ec);
 140 } expansioncard_ops_t;
 141
 142 #define ECARD_NUM_RESOURCES     (6)
 143
 144 #define ECARD_RES_IOCSLOW       (0)
 145 #define ECARD_RES_IOCMEDIUM     (1)
 146 #define ECARD_RES_IOCFAST       (2)
 147 #define ECARD_RES_IOCSYNC       (3)
 148 #define ECARD_RES_MEMC          (4)
 149 #define ECARD_RES_EASI          (5)
 150
 151 #define ecard_resource_start(ec,nr)     ((ec)->resource[nr].start)
 152 #define ecard_resource_end(ec,nr)       ((ec)->resource[nr].end)
 153 #define ecard_resource_len(ec,nr)       ((ec)->resource[nr].end - \
 154                                          (ec)->resource[nr].start + 1)
 155
 156 /*
 157  * This contains all the info needed on an expansion card
 158  */
 159 struct expansion_card {
 160         struct expansion_card  *next;
 161
 162         struct device           dev;
 163         struct resource         resource[ECARD_NUM_RESOURCES];
 164
 165         /* Public data */
 166         volatile unsigned char *irqaddr;     /* address of IRQ register */
 167         volatile unsigned char *fiqaddr;     /* address of FIQ register */
 168         unsigned char           irqmask;     /* IRQ mask */
 169         unsigned char           fiqmask;     /* FIQ mask */
 170         unsigned char           claimed;     /* Card claimed? */
 171
 172         void                    *irq_data;   /* Data for use for IRQ by card */
 173         void                    *fiq_data;   /* Data for use for FIQ by card */
 174         const expansioncard_ops_t *ops;      /* Enable/Disable Ops for card */
 175
 176         CONST unsigned int      slot_no;     /* Slot number */
 177         CONST unsigned int      dma;         /* DMA number (for request_dma) */
 178         CONST unsigned int      irq;         /* IRQ number (for request_irq) */
 179         CONST unsigned int      fiq;         /* FIQ number (for request_irq) */
 180         CONST card_type_t       type;        /* Type of card */
 181         CONST struct in_ecid    cid;         /* Card Identification */
 182
 183         /* Private internal data */
 184         const char              *card_desc;  /* Card description */
 185         CONST unsigned int      podaddr;     /* Base Linux address for card */
 186         CONST loader_t          loader;      /* loader program */
 187         u64                     dma_mask;
 188 };
 189
 190 struct in_chunk_dir {
 191         unsigned int start_offset;
 192         union {
 193                 unsigned char string[256];
 194                 unsigned char data[1];
 195         } d;
 196 };
 197
 198 /*
 199  * ecard_claim: claim an expansion card entry
 200  * FIXME - are these atomic / called with interrupts off ?
 201  */
 202 #define ecard_claim(ec) ((ec)->claimed = 1)
 203
 204 /*
 205  * ecard_release: release an expansion card entry
 206  */
 207 #define ecard_release(ec) ((ec)->claimed = 0)
 208
 209 /*
 210  * Read a chunk from an expansion card
 211  * cd : where to put read data
 212  * ec : expansion card info struct
 213  * id : id number to find
 214  * num: (n+1)'th id to find.
 215  */
 216 extern int ecard_readchunk (struct in_chunk_dir *cd, struct expansion_card *ec, int id, int num);
 217
 218 /*
 219  * Obtain the address of a card
 220  */
 221 extern unsigned int ecard_address (struct expansion_card *ec, card_type_t card_type, card_speed_t speed);
 222
 223 #ifdef ECARD_C
 224 /* Definitions internal to ecard.c - for it's use only!!
 225  *
 226  * External expansion card header as read from the card
 227  */
 228 struct ex_ecid {
 229         unsigned char   r_irq:1;
 230         unsigned char   r_zero:1;
 231         unsigned char   r_fiq:1;
 232         unsigned char   r_id:4;
 233         unsigned char   r_a:1;
 234
 235         unsigned char   r_cd:1;
 236         unsigned char   r_is:1;
 237         unsigned char   r_w:2;
 238         unsigned char   r_r1:4;
 239
 240         unsigned char   r_r2:8;
 241
 242         unsigned char   r_prod[2];
 243
 244         unsigned char   r_manu[2];
 245
 246         unsigned char   r_country;
 247
 248         unsigned char   r_irqmask;
 249         unsigned char   r_irqoff[3];
 250
 251         unsigned char   r_fiqmask;
 252         unsigned char   r_fiqoff[3];
 253 };
 254
 255 /*
 256  * Chunk directory entry as read from the card
 257  */
 258 struct ex_chunk_dir {
 259         unsigned char r_id;
 260         unsigned char r_len[3];
 261         unsigned long r_start;
 262         union {
 263                 char string[256];
 264                 char data[1];
 265         } d;
 266 #define c_id(x)         ((x)->r_id)
 267 #define c_len(x)        ((x)->r_len[0]|((x)->r_len[1]<<8)|((x)->r_len[2]<<16))
 268 #define c_start(x)      ((x)->r_start)
 269 };
 270
 271 #endif
 272
 273 extern struct bus_type ecard_bus_type;
 274
 275 #define ECARD_DEV(_d)   container_of((_d), struct expansion_card, dev)
 276
 277 struct ecard_driver {
 278         int                     (*probe)(struct expansion_card *, const struct ecard_id *id);
 279         void                    (*remove)(struct expansion_card *);
 280         void                    (*shutdown)(struct expansion_card *);
 281         const struct ecard_id   *id_table;
 282         unsigned int            id;
 283         struct device_driver    drv;
 284 };
 285
 286 #define ECARD_DRV(_d)   container_of((_d), struct ecard_driver, drv)
 287
 288 #define ecard_set_drvdata(ec,data)      dev_set_drvdata(&(ec)->dev, (data))
 289 #define ecard_get_drvdata(ec)           dev_get_drvdata(&(ec)->dev)
 290
 291 int ecard_register_driver(struct ecard_driver *);
 292 void ecard_remove_driver(struct ecard_driver *);
 293
 294 #endif