LXR linux/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
   7struct device;
   8extern struct bus_type maple_bus_type;
   9
  10/* Maple Bus command and response codes */
  11enum 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
  34enum 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
  43struct maple_buffer {
  44        char bufx[0x400];
  45        void *buf;
  46};
  47
  48struct 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
  57struct 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
  68struct 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
  84struct maple_driver {
  85        unsigned long function;
  86        struct device_driver drv;
  87};
  88
  89void maple_getcond_callback(struct maple_device *dev,
  90                            void (*callback) (struct mapleq * mq),
  91                            unsigned long interval,
  92                            unsigned long function);
  93int maple_driver_register(struct maple_driver *);
  94void maple_driver_unregister(struct maple_driver *);
  95
  96int maple_add_packet(struct maple_device *mdev, u32 function,
  97        u32 command, u32 length, void *data);
  98void 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 */
 107