headers/private/drivers/poke.h

   1 /*
   2  * Copyright 2005, Oscar Lesta. All rights reserved.
   3  * Distributed under the terms of the MIT License.
   4  */
   5 #ifndef _POKE_DRIVER_H_
   6 #define _POKE_DRIVER_H_
   7
   8 #include <Drivers.h>
   9 #include <ISA.h>
  10 #include <PCI.h>
  11
  12
  13 #define POKE_DEVICE_NAME                "poke"
  14 #define POKE_DEVICE_FULLNAME    "/dev/misc/poke"
  15 #define POKE_SIGNATURE                  'wltp'  // "We Like To Poke"
  16
  17
  18 enum {
  19         POKE_PORT_READ = B_DEVICE_OP_CODES_END + 1,
  20         POKE_PORT_WRITE,
  21         POKE_PORT_INDEXED_READ,
  22         POKE_PORT_INDEXED_WRITE,
  23         POKE_PCI_READ_CONFIG,
  24         POKE_PCI_WRITE_CONFIG,
  25         POKE_GET_NTH_PCI_INFO,
  26         POKE_GET_PHYSICAL_ADDRESS,
  27         POKE_MAP_MEMORY,
  28         POKE_UNMAP_MEMORY
  29 };
  30
  31
  32 typedef struct {
  33         uint32          signature;
  34         uint8           index;
  35         pci_info*       info;
  36         status_t        status;
  37 } pci_info_args;
  38
  39
  40 typedef struct {
  41         uint32  signature;
  42         uint16  port;
  43         uint8   size;           // == index for POKE_PORT_INDEXED_*
  44         uint32  value;
  45 } port_io_args;
  46
  47
  48 typedef struct {
  49         uint32  signature;
  50         uint8   bus;
  51         uint8   device;
  52         uint8   function;
  53         uint8   size;
  54         uint8   offset;
  55         uint32  value;
  56 } pci_io_args;
  57
  58
  59 typedef struct {
  60         uint32          signature;
  61         area_id         area;
  62         const char*     name;
  63         void*           physical_address;
  64         size_t          size;
  65         uint32          flags;
  66         uint32          protection;
  67         void*           address;
  68 } mem_map_args;
  69
  70 #endif  // _POKE_DRIVER_H_