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 #define         SERIAL_TYPE_CALLOUT     2
  77
  78 /*   character sizes  */
  79
  80 #define         ISICOM_CS5              0x0000
  81 #define         ISICOM_CS6              0x0001
  82 #define         ISICOM_CS7              0x0002
  83 #define         ISICOM_CS8              0x0003
  84
  85 /* stop bits */
  86
  87 #define         ISICOM_1SB              0x0000
  88 #define         ISICOM_2SB              0x0004
  89
  90 /* parity */
  91
  92 #define         ISICOM_NOPAR            0x0000
  93 #define         ISICOM_ODPAR            0x0008
  94 #define         ISICOM_EVPAR            0x0018
  95
  96 /* flow control */
  97
  98 #define         ISICOM_CTSRTS           0x03
  99 #define         ISICOM_INITIATE_XONXOFF 0x04
 100 #define         ISICOM_RESPOND_XONXOFF  0x08
 101
 102 #define InterruptTheCard(base) (outw(0,(base)+0xc))
 103 #define ClearInterrupt(base) (inw((base)+0x0a))
 104
 105 #define BOARD(line)  (((line) >> 4) & 0x3)
 106 #define MIN(a, b) ( (a) < (b) ? (a) : (b) )
 107
 108         /*      isi kill queue bitmap   */
 109
 110 #define         ISICOM_KILLTX           0x01
 111 #define         ISICOM_KILLRX           0x02
 112
 113         /* isi_board status bitmap */
 114
 115 #define         FIRMWARE_LOADED         0x0001
 116 #define         BOARD_ACTIVE            0x0002
 117
 118         /* isi_port status bitmap  */
 119
 120 #define         ISI_CTS                 0x1000
 121 #define         ISI_DSR                 0x2000
 122 #define         ISI_RI                  0x4000
 123 #define         ISI_DCD                 0x8000
 124 #define         ISI_DTR                 0x0100
 125 #define         ISI_RTS                 0x0200
 126
 127
 128 #define         ISI_TXOK                0x0001
 129
 130 struct  isi_board {
 131         unsigned short          base;
 132         unsigned char           irq;
 133         unsigned char           port_count;
 134         unsigned short          status;
 135         unsigned short          port_status; /* each bit represents a single port */
 136         unsigned short          shift_count;
 137         struct isi_port         * ports;
 138         signed char             count;
 139         unsigned char           isa;
 140 };
 141
 142 struct  isi_port {
 143         unsigned short          magic;
 144         unsigned int            flags;
 145         int                     count;
 146         int                     blocked_open;
 147         int                     close_delay;
 148         unsigned short          channel;
 149         unsigned short          status;
 150         unsigned short          closing_wait;
 151         struct isi_board        * card;
 152         struct tty_struct       * tty;
 153         wait_queue_head_t       close_wait;
 154         wait_queue_head_t       open_wait;
 155         struct work_struct      hangup_tq;
 156         struct work_struct      bh_tqueue;
 157         unsigned char           * xmit_buf;
 158         int                     xmit_head;
 159         int                     xmit_tail;
 160         int                     xmit_cnt;
 161 };
 162
 163
 164 /*
 165  *  ISI Card specific ops ...
 166  */
 167
 168 static inline void raise_dtr(struct isi_port * port)
 169 {
 170         struct isi_board * card = port->card;
 171         unsigned short base = card->base;
 172         unsigned char channel = port->channel;
 173         short wait=400;
 174         while(((inw(base+0x0e) & 0x01) == 0) && (wait-- > 0));
 175         if (wait <= 0) {
 176                 printk(KERN_WARNING "ISICOM: Card found busy in raise_dtr.\n");
 177                 return;
 178         }
 179 #ifdef ISICOM_DEBUG_DTR_RTS
 180         printk(KERN_DEBUG "ISICOM: raise_dtr.\n");
 181 #endif
 182         outw(0x8000 | (channel << card->shift_count) | 0x02 , base);
 183         outw(0x0504, base);
 184         InterruptTheCard(base);
 185         port->status |= ISI_DTR;
 186 }
 187
 188 static inline void drop_dtr(struct isi_port * port)
 189 {
 190         struct isi_board * card = port->card;
 191         unsigned short base = card->base;
 192         unsigned char channel = port->channel;
 193         short wait=400;
 194         while(((inw(base+0x0e) & 0x01) == 0) && (wait-- > 0));
 195         if (wait <= 0) {
 196                 printk(KERN_WARNING "ISICOM: Card found busy in drop_dtr.\n");
 197                 return;
 198         }
 199 #ifdef ISICOM_DEBUG_DTR_RTS
 200         printk(KERN_DEBUG "ISICOM: drop_dtr.\n");
 201 #endif
 202         outw(0x8000 | (channel << card->shift_count) | 0x02 , base);
 203         outw(0x0404, base);
 204         InterruptTheCard(base);
 205         port->status &= ~ISI_DTR;
 206 }
 207 static inline void raise_rts(struct isi_port * port)
 208 {
 209         struct isi_board * card = port->card;
 210         unsigned short base = card->base;
 211         unsigned char channel = port->channel;
 212         short wait=400;
 213         while(((inw(base+0x0e) & 0x01) == 0) && (wait-- > 0));
 214         if (wait <= 0) {
 215                 printk(KERN_WARNING "ISICOM: Card found busy in raise_rts.\n");
 216                 return;
 217         }
 218 #ifdef ISICOM_DEBUG_DTR_RTS
 219         printk(KERN_DEBUG "ISICOM: raise_rts.\n");
 220 #endif
 221         outw(0x8000 | (channel << card->shift_count) | 0x02 , base);
 222         outw(0x0a04, base);
 223         InterruptTheCard(base);
 224         port->status |= ISI_RTS;
 225 }
 226 static inline void drop_rts(struct isi_port * port)
 227 {
 228         struct isi_board * card = port->card;
 229         unsigned short base = card->base;
 230         unsigned char channel = port->channel;
 231         short wait=400;
 232         while(((inw(base+0x0e) & 0x01) == 0) && (wait-- > 0));
 233         if (wait <= 0) {
 234                 printk(KERN_WARNING "ISICOM: Card found busy in drop_rts.\n");
 235                 return;
 236         }
 237 #ifdef ISICOM_DEBUG_DTR_RTS
 238         printk(KERN_DEBUG "ISICOM: drop_rts.\n");
 239 #endif
 240         outw(0x8000 | (channel << card->shift_count) | 0x02 , base);
 241         outw(0x0804, base);
 242         InterruptTheCard(base);
 243         port->status &= ~ISI_RTS;
 244 }
 245 static inline void raise_dtr_rts(struct isi_port * port)
 246 {
 247         struct isi_board * card = port->card;
 248         unsigned short base = card->base;
 249         unsigned char channel = port->channel;
 250         short wait=400;
 251         while(((inw(base+0x0e) & 0x01) == 0) && (wait-- > 0));
 252         if (wait <= 0) {
 253                 printk(KERN_WARNING "ISICOM: Card found busy in raise_dtr_rts.\n");
 254                 return;
 255         }
 256 #ifdef ISICOM_DEBUG_DTR_RTS
 257         printk(KERN_DEBUG "ISICOM: raise_dtr_rts.\n");
 258 #endif
 259         outw(0x8000 | (channel << card->shift_count) | 0x02 , base);
 260         outw(0x0f04, base);
 261         InterruptTheCard(base);
 262         port->status |= (ISI_DTR | ISI_RTS);
 263 }
 264 static inline void drop_dtr_rts(struct isi_port * port)
 265 {
 266         struct isi_board * card = port->card;
 267         unsigned short base = card->base;
 268         unsigned char channel = port->channel;
 269         short wait=400;
 270         while(((inw(base+0x0e) & 0x01) == 0) && (wait-- > 0));
 271         if (wait <= 0) {
 272                 printk(KERN_WARNING "ISICOM: Card found busy in drop_dtr_rts.\n");
 273                 return;
 274         }
 275 #ifdef ISICOM_DEBUG_DTR_RTS
 276         printk(KERN_DEBUG "ISICOM: drop_dtr_rts.\n");
 277 #endif
 278         outw(0x8000 | (channel << card->shift_count) | 0x02 , base);
 279         outw(0x0c04, base);
 280         InterruptTheCard(base);
 281         port->status &= ~(ISI_RTS | ISI_DTR);
 282 }
 283
 284 static inline void kill_queue(struct isi_port * port, short queue)
 285 {
 286         struct isi_board * card = port->card;
 287         unsigned short base = card->base;
 288         unsigned char channel = port->channel;
 289         short wait=400;
 290         while(((inw(base+0x0e) & 0x01) == 0) && (wait-- > 0));
 291         if (wait <= 0) {
 292                 printk(KERN_WARNING "ISICOM: Card found busy in kill_queue.\n");
 293                 return;
 294         }
 295 #ifdef ISICOM_DEBUG
 296         printk(KERN_DEBUG "ISICOM: kill_queue 0x%x.\n", queue);
 297 #endif
 298         outw(0x8000 | (channel << card->shift_count) | 0x02 , base);
 299         outw((queue << 8) | 0x06, base);
 300         InterruptTheCard(base);
 301 }
 302
 303 #endif  /*      __KERNEL__      */
 304
 305 #endif  /*      ISICOM_H        */
 306