include/linux/maple.h

   1 #ifndef __LINUX_MAPLE_H
   2 #define __LINUX_MAPLE_H
   3
   4 #include <linux/device.h>
   5 #include <mach/maple.h>
   6
   7 extern struct bus_type maple_bus_type;
   8
   9 /* Maple Bus command and response codes */
  10 enum maple_code {
  11         MAPLE_RESPONSE_FILEERR =        -5,
  12         MAPLE_RESPONSE_AGAIN,   /* retransmit */
  13         MAPLE_RESPONSE_BADCMD,
  14         MAPLE_RESPONSE_BADFUNC,
  15         MAPLE_RESPONSE_NONE,    /* unit didn't respond*/
  16         MAPLE_COMMAND_DEVINFO =         1,
  17         MAPLE_COMMAND_ALLINFO,
  18         MAPLE_COMMAND_RESET,
  19         MAPLE_COMMAND_KILL,
  20         MAPLE_RESPONSE_DEVINFO,
  21         MAPLE_RESPONSE_ALLINFO,
  22         MAPLE_RESPONSE_OK,
  23         MAPLE_RESPONSE_DATATRF,
  24         MAPLE_COMMAND_GETCOND,
  25         MAPLE_COMMAND_GETMINFO,
  26         MAPLE_COMMAND_BREAD,
  27         MAPLE_COMMAND_BWRITE,
  28         MAPLE_COMMAND_BSYNC,
  29         MAPLE_COMMAND_SETCOND,
  30         MAPLE_COMMAND_MICCONTROL
  31 };
  32
  33 enum maple_file_errors {
  34         MAPLE_FILEERR_INVALID_PARTITION =       0x01000000,
  35         MAPLE_FILEERR_PHASE_ERROR =             0x02000000,
  36         MAPLE_FILEERR_INVALID_BLOCK =           0x04000000,
  37         MAPLE_FILEERR_WRITE_ERROR =             0x08000000,
  38         MAPLE_FILEERR_INVALID_WRITE_LENGTH =    0x10000000,
  39         MAPLE_FILEERR_BAD_CRC =                 0x20000000
  40 };
  41
  42 struct maple_buffer {
  43         char bufx[0x400];
  44         void *buf;
  45 };
  46
  47 struct mapleq {
  48         struct list_head list;
  49         struct maple_device *dev;
  50         struct maple_buffer *recvbuf;
  51         void *sendbuf, *recvbuf_p2;
  52         unsigned char length;
  53         enum maple_code command;
  54 };
  55
  56 struct maple_devinfo {
  57         unsigned long function;
  58         unsigned long function_data[3];
  59         unsigned char area_code;
  60         unsigned char connector_direction;
  61         char product_name[31];
  62         char product_licence[61];
  63         unsigned short standby_power;
  64         unsigned short max_power;
  65 };
  66
  67 struct maple_device {
  68         struct maple_driver *driver;
  69         struct mapleq *mq;
  70         void (*callback) (struct mapleq * mq);
  71         void (*fileerr_handler)(struct maple_device *mdev, void *recvbuf);
  72         int (*can_unload)(struct maple_device *mdev);
  73         unsigned long when, interval, function;
  74         struct maple_devinfo devinfo;
  75         unsigned char port, unit;
  76         char product_name[32];
  77         char product_licence[64];
  78         atomic_t busy;
  79         wait_queue_head_t maple_wait;
  80         struct device dev;
  81 };
  82
  83 struct maple_driver {
  84         unsigned long function;
  85         struct device_driver drv;
  86 };
  87
  88 void maple_getcond_callback(struct maple_device *dev,
  89                             void (*callback) (struct mapleq * mq),
  90                             unsigned long interval,
  91                             unsigned long function);
  92 int maple_driver_register(struct maple_driver *);
  93 void maple_driver_unregister(struct maple_driver *);
  94
  95 int maple_add_packet(struct maple_device *mdev, u32 function,
  96         u32 command, u32 length, void *data);
  97 void maple_clear_dev(struct maple_device *mdev);
  98
  99 #define to_maple_dev(n) container_of(n, struct maple_device, dev)
 100 #define to_maple_driver(n) container_of(n, struct maple_driver, drv)
 101
 102 #define maple_get_drvdata(d)            dev_get_drvdata(&(d)->dev)
 103 #define maple_set_drvdata(d,p)          dev_set_drvdata(&(d)->dev, (p))
 104
 105 #endif                          /* __LINUX_MAPLE_H */