include/linux/isicom.h

   1 #ifndef _LINUX_ISICOM_H
   2 #define _LINUX_ISICOM_H
   3
   4 /*#define               ISICOM_DEBUG*/
   5 /*#define               ISICOM_DEBUG_DTR_RTS*/
   6
   7
   8 /*
   9  *      Firmware Loader definitions ...
  10  */
  11
  12 #define         __MultiTech             ('M'<<8)
  13 #define         MIOCTL_LOAD_FIRMWARE    (__MultiTech | 0x01)
  14 #define         MIOCTL_READ_FIRMWARE    (__MultiTech | 0x02)
  15 #define         MIOCTL_XFER_CTRL        (__MultiTech | 0x03)
  16 #define         MIOCTL_RESET_CARD       (__MultiTech | 0x04)
  17
  18 #define         DATA_SIZE       16
  19
  20 typedef struct  {
  21                 unsigned short  exec_segment;
  22                 unsigned short  exec_addr;
  23 }       exec_record;
  24
  25 typedef struct  {
  26                 int             board;          /* Board to load */
  27                 unsigned short  addr;
  28                 unsigned short  count;
  29 }       bin_header;
  30
  31 typedef struct  {
  32                 int             board;          /* Board to load */
  33                 unsigned short  addr;
  34                 unsigned short  count;
  35                 unsigned short  segment;
  36                 unsigned char   bin_data[DATA_SIZE];
  37 }       bin_frame;
  38
  39 #ifdef __KERNEL__
  40
  41 #define         YES     1
  42 #define         NO      0
  43
  44 #define         ISILOAD_MISC_MINOR      155     /* /dev/isctl */
  45 #define         ISILOAD_NAME            "ISILoad"
  46
  47 /*
  48  *  ISICOM Driver definitions ...
  49  *
  50  */
  51
  52 #define         ISICOM_NAME     "ISICom"
  53
  54 /*
  55  *      PCI definitions
  56  */
  57
  58  #define        DEVID_COUNT     9
  59  #define        VENDOR_ID       0x10b5
  60
  61 /*
  62  *      These are now officially allocated numbers
  63  */
  64
  65 #define         ISICOM_NMAJOR   112     /* normal  */
  66 #define         ISICOM_CMAJOR   113     /* callout */
  67 #define         ISICOM_MAGIC    (('M' << 8) | 'T')
  68
  69 #define         WAKEUP_CHARS    256     /* hard coded for now   */
  70 #define         TX_SIZE         254
  71
  72 #define         BOARD_COUNT     4
  73 #define         PORT_COUNT      (BOARD_COUNT*16)
  74
  75 #define         SERIAL_TYPE_NORMAL      1
  76
  77 /*   character sizes  */
  78
  79 #define         ISICOM_CS5              0x0000
  80 #define         ISICOM_CS6              0x0001
  81 #define         ISICOM_CS7              0x0002
  82 #define         ISICOM_CS8              0x0003
  83
  84 /* stop bits */
  85
  86 #define         ISICOM_1SB              0x0000
  87 #define         ISICOM_2SB              0x0004
  88
  89 /* parity */
  90
  91 #define         ISICOM_NOPAR            0x0000
  92 #define         ISICOM_ODPAR            0x0008
  93 #define         ISICOM_EVPAR            0x0018
  94
  95 /* flow control */
  96
  97 #define         ISICOM_CTSRTS           0x03
  98 #define         ISICOM_INITIATE_XONXOFF 0x04
  99 #define         ISICOM_RESPOND_XONXOFF  0x08
 100
 101 #define InterruptTheCard(base) (outw(0,(base)+0xc))
 102 #define ClearInterrupt(base) (inw((base)+0x0a))
 103
 104 #define BOARD(line)  (((line) >> 4) & 0x3)
 105 #define MIN(a, b) ( (a) < (b) ? (a) : (b) )
 106
 107         /*      isi kill queue bitmap   */
 108
 109 #define         ISICOM_KILLTX           0x01
 110 #define         ISICOM_KILLRX           0x02
 111
 112         /* isi_board status bitmap */
 113
 114 #define         FIRMWARE_LOADED         0x0001
 115 #define         BOARD_ACTIVE            0x0002
 116
 117         /* isi_port status bitmap  */
 118
 119 #define         ISI_CTS                 0x1000
 120 #define         ISI_DSR                 0x2000
 121 #define         ISI_RI                  0x4000
 122 #define         ISI_DCD                 0x8000
 123 #define         ISI_DTR                 0x0100
 124 #define         ISI_RTS                 0x0200
 125
 126
 127 #define         ISI_TXOK                0x0001
 128
 129 struct  isi_board {
 130         unsigned short          base;
 131         unsigned char           irq;
 132         unsigned char           port_count;
 133         unsigned short          status;
 134         unsigned short          port_status; /* each bit represents a single port */
 135         unsigned short          shift_count;
 136         struct isi_port         * ports;
 137         signed char             count;
 138         unsigned char           isa;
 139 };
 140
 141 struct  isi_port {
 142         unsigned short          magic;
 143         unsigned int            flags;
 144         int                     count;
 145         int                     blocked_open;
 146         int                     close_delay;
 147         unsigned short          channel;
 148         unsigned short          status;
 149         unsigned short          closing_wait;
 150         struct isi_board        * card;
 151         struct tty_struct       * tty;
 152         wait_queue_head_t       close_wait;
 153         wait_queue_head_t       open_wait;
 154         struct work_struct      hangup_tq;
 155         struct work_struct      bh_tqueue;
 156         unsigned char           * xmit_buf;
 157         int                     xmit_head;
 158         int                     xmit_tail;
 159         int                     xmit_cnt;
 160 };
 161
 162
 163 /*
 164  *  ISI Card specific ops ...
 165  */
 166
 167 static inline void raise_dtr(struct isi_port * port)
 168 {
 169         struct isi_board * card = port->card;
 170         unsigned short base = card->base;
 171         unsigned char channel = port->channel;
 172         short wait=400;
 173         while(((inw(base+0x0e) & 0x01) == 0) && (wait-- > 0));
 174         if (wait <= 0) {
 175                 printk(KERN_WARNING "ISICOM: Card found busy in raise_dtr.\n");
 176                 return;
 177         }
 178 #ifdef ISICOM_DEBUG_DTR_RTS
 179         printk(KERN_DEBUG "ISICOM: raise_dtr.\n");
 180 #endif
 181         outw(0x8000 | (channel << card->shift_count) | 0x02 , base);
 182         outw(0x0504, base);
 183         InterruptTheCard(base);
 184         port->status |= ISI_DTR;
 185 }
 186
 187 static inline void drop_dtr(struct isi_port * port)
 188 {
 189         struct isi_board * card = port->card;
 190         unsigned short base = card->base;
 191         unsigned char channel = port->channel;
 192         short wait=400;
 193         while(((inw(base+0x0e) & 0x01) == 0) && (wait-- > 0));
 194         if (wait <= 0) {
 195                 printk(KERN_WARNING "ISICOM: Card found busy in drop_dtr.\n");
 196                 return;
 197         }
 198 #ifdef ISICOM_DEBUG_DTR_RTS
 199         printk(KERN_DEBUG "ISICOM: drop_dtr.\n");
 200 #endif
 201         outw(0x8000 | (channel << card->shift_count) | 0x02 , base);
 202         outw(0x0404, base);
 203         InterruptTheCard(base);
 204         port->status &= ~ISI_DTR;
 205 }
 206 static inline void raise_rts(struct isi_port * port)
 207 {
 208         struct isi_board * card = port->card;
 209         unsigned short base = card->base;
 210         unsigned char channel = port->channel;
 211         short wait=400;
 212         while(((inw(base+0x0e) & 0x01) == 0) && (wait-- > 0));
 213         if (wait <= 0) {
 214                 printk(KERN_WARNING "ISICOM: Card found busy in raise_rts.\n");
 215                 return;
 216         }
 217 #ifdef ISICOM_DEBUG_DTR_RTS
 218         printk(KERN_DEBUG "ISICOM: raise_rts.\n");
 219 #endif
 220         outw(0x8000 | (channel << card->shift_count) | 0x02 , base);
 221         outw(0x0a04, base);
 222         InterruptTheCard(base);
 223         port->status |= ISI_RTS;
 224 }
 225 static inline void drop_rts(struct isi_port * port)
 226 {
 227         struct isi_board * card = port->card;
 228         unsigned short base = card->base;
 229         unsigned char channel = port->channel;
 230         short wait=400;
 231         while(((inw(base+0x0e) & 0x01) == 0) && (wait-- > 0));
 232         if (wait <= 0) {
 233                 printk(KERN_WARNING "ISICOM: Card found busy in drop_rts.\n");
 234                 return;
 235         }
 236 #ifdef ISICOM_DEBUG_DTR_RTS
 237         printk(KERN_DEBUG "ISICOM: drop_rts.\n");
 238 #endif
 239         outw(0x8000 | (channel << card->shift_count) | 0x02 , base);
 240         outw(0x0804, base);
 241         InterruptTheCard(base);
 242         port->status &= ~ISI_RTS;
 243 }
 244 static inline void raise_dtr_rts(struct isi_port * port)
 245 {
 246         struct isi_board * card = port->card;
 247         unsigned short base = card->base;
 248         unsigned char channel = port->channel;
 249         short wait=400;
 250         while(((inw(base+0x0e) & 0x01) == 0) && (wait-- > 0));
 251         if (wait <= 0) {
 252                 printk(KERN_WARNING "ISICOM: Card found busy in raise_dtr_rts.\n");
 253                 return;
 254         }
 255 #ifdef ISICOM_DEBUG_DTR_RTS
 256         printk(KERN_DEBUG "ISICOM: raise_dtr_rts.\n");
 257 #endif
 258         outw(0x8000 | (channel << card->shift_count) | 0x02 , base);
 259         outw(0x0f04, base);
 260         InterruptTheCard(base);
 261         port->status |= (ISI_DTR | ISI_RTS);
 262 }
 263 static inline void drop_dtr_rts(struct isi_port * port)
 264 {
 265         struct isi_board * card = port->card;
 266         unsigned short base = card->base;
 267         unsigned char channel = port->channel;
 268         short wait=400;
 269         while(((inw(base+0x0e) & 0x01) == 0) && (wait-- > 0));
 270         if (wait <= 0) {
 271                 printk(KERN_WARNING "ISICOM: Card found busy in drop_dtr_rts.\n");
 272                 return;
 273         }
 274 #ifdef ISICOM_DEBUG_DTR_RTS
 275         printk(KERN_DEBUG "ISICOM: drop_dtr_rts.\n");
 276 #endif
 277         outw(0x8000 | (channel << card->shift_count) | 0x02 , base);
 278         outw(0x0c04, base);
 279         InterruptTheCard(base);
 280         port->status &= ~(ISI_RTS | ISI_DTR);
 281 }
 282
 283 static inline void kill_queue(struct isi_port * port, short queue)
 284 {
 285         struct isi_board * card = port->card;
 286         unsigned short base = card->base;
 287         unsigned char channel = port->channel;
 288         short wait=400;
 289         while(((inw(base+0x0e) & 0x01) == 0) && (wait-- > 0));
 290         if (wait <= 0) {
 291                 printk(KERN_WARNING "ISICOM: Card found busy in kill_queue.\n");
 292                 return;
 293         }
 294 #ifdef ISICOM_DEBUG
 295         printk(KERN_DEBUG "ISICOM: kill_queue 0x%x.\n", queue);
 296 #endif
 297         outw(0x8000 | (channel << card->shift_count) | 0x02 , base);
 298         outw((queue << 8) | 0x06, base);
 299         InterruptTheCard(base);
 300 }
 301
 302 #endif  /*      __KERNEL__      */
 303
 304 #endif  /*      ISICOM_H        */
 305