drivers/media/mdtv/smscoreapi.h

   1 #ifndef __smscoreapi_h__
   2 #define __smscoreapi_h__
   3
   4 #ifndef min
   5 #define min(a,b) (((a) < (b)) ? (a) : (b))
   6 #endif
   7
   8 #define SMS_ALLOC_ALIGNMENT                                     128
   9 #define SMS_DMA_ALIGNMENT                                       16
  10 #define SMS_ALIGN_ADDRESS(addr) ((((u32)(addr)) + (SMS_DMA_ALIGNMENT-1)) & ~(SMS_DMA_ALIGNMENT-1))
  11
  12 #define SMS_DEVICE_FAMILY2                                      1
  13 #define SMS_ROM_NO_RESPONSE                                     2
  14 #define SMS_DEVICE_NOT_READY                            0x8000000
  15
  16 typedef struct _smscore_device smscore_device_t;
  17 typedef struct _smscore_client smscore_client_t;
  18 typedef struct _smscore_buffer smscore_buffer_t;
  19
  20 typedef int (*hotplug_t)(smscore_device_t *coredev, struct device *device, int arrival);
  21
  22 typedef int (*setmode_t)(void *context, int mode);
  23 typedef void (*detectmode_t)(void *context, int *mode);
  24 typedef int (*sendrequest_t)(void *context, void *buffer, size_t size);
  25 typedef int (*loadfirmware_t)(void *context, void *buffer, size_t size);
  26 typedef int (*preload_t)(void *context);
  27 typedef int (*postload_t)(void *context);
  28
  29 typedef int (*onresponse_t)(void *context, smscore_buffer_t *cb);
  30 typedef void (*onremove_t)(void *context);
  31
  32 typedef struct _smscore_buffer
  33 {
  34         // public members, once passed to clients can be changed freely
  35         struct list_head entry;
  36         int                             size;
  37         int                             offset;
  38
  39         // private members, read-only for clients
  40         void                    *p;
  41         dma_addr_t              phys;
  42         unsigned long   offset_in_common;
  43 } *psmscore_buffer_t;
  44
  45 typedef struct _smsdevice_params
  46 {
  47         struct device   *device;
  48
  49         int                             buffer_size;
  50         int                             num_buffers;
  51
  52         char                    devpath[32];
  53         unsigned long   flags;
  54
  55         setmode_t               setmode_handler;
  56         detectmode_t    detectmode_handler;
  57         sendrequest_t   sendrequest_handler;
  58         preload_t               preload_handler;
  59         postload_t              postload_handler;
  60
  61         void                    *context;
  62 } smsdevice_params_t;
  63
  64 typedef struct _smsclient_params
  65 {
  66         int                             initial_id;
  67         int                             data_type;
  68         onresponse_t    onresponse_handler;
  69         onremove_t              onremove_handler;
  70
  71         void                    *context;
  72 } smsclient_params_t;
  73
  74 extern void smscore_registry_setmode(char *devpath, int mode);
  75 extern int smscore_registry_getmode(char *devpath);
  76
  77 extern int smscore_register_hotplug(hotplug_t hotplug);
  78 extern void smscore_unregister_hotplug(hotplug_t hotplug);
  79
  80 extern int smscore_register_device(smsdevice_params_t *params, smscore_device_t **coredev);
  81 extern void smscore_unregister_device(smscore_device_t *coredev);
  82
  83 extern int smscore_start_device(smscore_device_t *coredev);
  84 extern int smscore_load_firmware(smscore_device_t *coredev, char* filename, loadfirmware_t loadfirmware_handler);
  85
  86 extern int smscore_set_device_mode(smscore_device_t *coredev, int mode);
  87 extern int smscore_get_device_mode(smscore_device_t *coredev);
  88
  89 extern int smscore_register_client(smscore_device_t *coredev, smsclient_params_t* params, smscore_client_t **client);
  90 extern void smscore_unregister_client(smscore_client_t *client);
  91
  92 extern int smsclient_sendrequest(smscore_client_t *client, void *buffer, size_t size);
  93 extern void smscore_onresponse(smscore_device_t *coredev, smscore_buffer_t *cb);
  94
  95 extern int smscore_get_common_buffer_size(smscore_device_t *coredev);
  96 extern int smscore_map_common_buffer(smscore_device_t *coredev, struct vm_area_struct * vma);
  97
  98 extern smscore_buffer_t *smscore_getbuffer(smscore_device_t *coredev);
  99 extern void smscore_putbuffer(smscore_device_t *coredev, smscore_buffer_t *cb);
 100
 101 #endif // __smscoreapi_h__