include/linux/maple.h

   1 /* SPDX-License-Identifier: GPL-2.0 */
   2 #ifndef __LINUX_MAPLE_H
   3 #define __LINUX_MAPLE_H
   4
   5 #include <mach/maple.h>
   6
   7 struct device;
   8 extern struct bus_type maple_bus_type;
   9
  10 /* Maple Bus command and response codes */
  11 enum maple_code {
  12         MAPLE_RESPONSE_FILEERR =        -5,
  13         MAPLE_RESPONSE_AGAIN,   /* retransmit */
  14         MAPLE_RESPONSE_BADCMD,
  15         MAPLE_RESPONSE_BADFUNC,
  16         MAPLE_RESPONSE_NONE,    /* unit didn't respond*/
  17         MAPLE_COMMAND_DEVINFO =         1,
  18         MAPLE_COMMAND_ALLINFO,
  19         MAPLE_COMMAND_RESET,
  20         MAPLE_COMMAND_KILL,
  21         MAPLE_RESPONSE_DEVINFO,
  22         MAPLE_RESPONSE_ALLINFO,
  23         MAPLE_RESPONSE_OK,
  24         MAPLE_RESPONSE_DATATRF,
  25         MAPLE_COMMAND_GETCOND,
  26         MAPLE_COMMAND_GETMINFO,
  27         MAPLE_COMMAND_BREAD,
  28         MAPLE_COMMAND_BWRITE,
  29         MAPLE_COMMAND_BSYNC,
  30         MAPLE_COMMAND_SETCOND,
  31         MAPLE_COMMAND_MICCONTROL
  32 };
  33
  34 enum maple_file_errors {
  35         MAPLE_FILEERR_INVALID_PARTITION =       0x01000000,
  36         MAPLE_FILEERR_PHASE_ERROR =             0x02000000,
  37         MAPLE_FILEERR_INVALID_BLOCK =           0x04000000,
  38         MAPLE_FILEERR_WRITE_ERROR =             0x08000000,
  39         MAPLE_FILEERR_INVALID_WRITE_LENGTH =    0x10000000,
  40         MAPLE_FILEERR_BAD_CRC =                 0x20000000
  41 };
  42
  43 struct maple_buffer {
  44         char bufx[0x400];
  45         void *buf;
  46 };
  47
  48 struct mapleq {
  49         struct list_head list;
  50         struct maple_device *dev;
  51         struct maple_buffer *recvbuf;
  52         void *sendbuf, *recvbuf_p2;
  53         unsigned char length;
  54         enum maple_code command;
  55 };
  56
  57 struct maple_devinfo {
  58         unsigned long function;
  59         unsigned long function_data[3];
  60         unsigned char area_code;
  61         unsigned char connector_direction;
  62         char product_name[31];
  63         char product_licence[61];
  64         unsigned short standby_power;
  65         unsigned short max_power;
  66 };
  67
  68 struct maple_device {
  69         struct maple_driver *driver;
  70         struct mapleq *mq;
  71         void (*callback) (struct mapleq * mq);
  72         void (*fileerr_handler)(struct maple_device *mdev, void *recvbuf);
  73         int (*can_unload)(struct maple_device *mdev);
  74         unsigned long when, interval, function;
  75         struct maple_devinfo devinfo;
  76         unsigned char port, unit;
  77         char product_name[32];
  78         char product_licence[64];
  79         atomic_t busy;
  80         wait_queue_head_t maple_wait;
  81         struct device dev;
  82 };
  83
  84 struct maple_driver {
  85         unsigned long function;
  86         struct device_driver drv;
  87 };
  88
  89 void maple_getcond_callback(struct maple_device *dev,
  90                             void (*callback) (struct mapleq * mq),
  91                             unsigned long interval,
  92                             unsigned long function);
  93 int maple_driver_register(struct maple_driver *);
  94 void maple_driver_unregister(struct maple_driver *);
  95
  96 int maple_add_packet(struct maple_device *mdev, u32 function,
  97         u32 command, u32 length, void *data);
  98 void maple_clear_dev(struct maple_device *mdev);
  99
 100 #define to_maple_dev(n) container_of(n, struct maple_device, dev)
 101 #define to_maple_driver(n) container_of(n, struct maple_driver, drv)
 102
 103 #define maple_get_drvdata(d)            dev_get_drvdata(&(d)->dev)
 104 #define maple_set_drvdata(d,p)          dev_set_drvdata(&(d)->dev, (p))
 105
 106 #endif                          /* __LINUX_MAPLE_H */