drivers/isdn/hisax/hisax_fcpcipnp.h

   1 /* SPDX-License-Identifier: GPL-2.0 */
   2 #include "hisax_if.h"
   3 #include "hisax_isac.h"
   4 #include <linux/pci.h>
   5
   6 #define HSCX_BUFMAX     4096
   7
   8 enum {
   9         AVM_FRITZ_PCI,
  10         AVM_FRITZ_PNP,
  11         AVM_FRITZ_PCIV2,
  12 };
  13
  14 struct hdlc_stat_reg {
  15 #ifdef __BIG_ENDIAN
  16         u_char fill;
  17         u_char mode;
  18         u_char xml;
  19         u_char cmd;
  20 #else
  21         u_char cmd;
  22         u_char xml;
  23         u_char mode;
  24         u_char fill;
  25 #endif
  26 } __attribute__((packed));
  27
  28 struct fritz_bcs {
  29         struct hisax_b_if b_if;
  30         struct fritz_adapter *adapter;
  31         int mode;
  32         int channel;
  33
  34         union {
  35                 u_int ctrl;
  36                 struct hdlc_stat_reg sr;
  37         } ctrl;
  38         u_int stat;
  39         int rcvidx;
  40         int fifo_size;
  41         u_char rcvbuf[HSCX_BUFMAX]; /* B-Channel receive Buffer */
  42
  43         int tx_cnt;                 /* B-Channel transmit counter */
  44         struct sk_buff *tx_skb;     /* B-Channel transmit Buffer */
  45 };
  46
  47 struct fritz_adapter {
  48         int type;
  49         spinlock_t hw_lock;
  50         unsigned int io;
  51         unsigned int irq;
  52         struct isac isac;
  53
  54         struct fritz_bcs bcs[2];
  55
  56         u32  (*read_hdlc_status) (struct fritz_adapter *adapter, int nr);
  57         void (*write_ctrl) (struct fritz_bcs *bcs, int which);
  58 };