package/lqtapi/src/mps/mps-msg.h

   1 #ifndef __MPS_MSG_H__
   2 #define __MPS_MSG_H__
   3
   4 #include <linux/slab.h>
   5
   6 struct mps_message {
   7         uint32_t header;
   8         uint32_t data[0];
   9 };
  10
  11 #define MPS_MSG_HEADER(_rw, _sc, _bc, _cmd, _chan, _mode, _ecmd, _length) \
  12         (((_rw) << 31) | ((_sc) << 30) | ((_bc) << 29) | ((_cmd) << 24) | \
  13         ((_chan) << 16) | ((_mode) << 13) | ((_ecmd) << 8) | (_length))
  14
  15 #define MPS_MSG_INIT(_msg, _rw, _sc, _bc, _cmd, _chan, _mode, _ecmd, _length) \
  16         do { \
  17                 (_msg)->header = MPS_MSG_HEADER(_rw, _sc, _bc, _cmd, _chan, _mode, \
  18                         _ecmd, _length); \
  19         } while(0)
  20
  21
  22 static inline void mps_msg_init(struct mps_message *msg, uint32_t rw, uint32_t sc,
  23         uint32_t bc, uint32_t cmd, uint32_t chan, uint32_t mode, uint32_t ecmd,
  24         uint32_t length)
  25 {
  26         msg->header = MPS_MSG_HEADER(rw, sc, bc, cmd, chan, mode, ecmd, length);
  27 }
  28
  29 #define DECLARE_MESSAGE(_name, _size) struct mps_message _name; \
  30         uint32_t __mps_msg_data_ ## __FUNCTION__ ## __LINE__[_size]
  31
  32 static inline struct mps_message *mps_message_alloc(size_t size)
  33 {
  34         return kmalloc(sizeof(struct mps_message) + size * sizeof(uint32_t), GFP_KERNEL);
  35 }
  36
  37 static inline size_t mps_message_size(const struct mps_message *msg)
  38 {
  39         return msg->header & 0xff;
  40 }
  41
  42 enum {
  43         MPS_MSG_WRITE = 0,
  44         MPS_MSG_READ = 1,
  45 };
  46
  47 enum {
  48         MPS_CMD_ALI = 1,
  49         MPS_CMD_DECT = 3,
  50         MPS_CMD_SDD = 4,
  51         MPS_CMD_EOP = 6,
  52 };
  53
  54 #define MOD_PCM 0
  55 #define MOD_SDD 0
  56 #define MOD_ALI 1
  57 #define MOD_SIGNALING 2
  58 #define MOD_CODER 3
  59 #define MOD_RESOURCE 6
  60 #define MOD_SYSTEM 7
  61 #define ECMD_SYS_VER 6
  62 #define SYS_CAP_ECMD 7
  63 #define ECMD_CIDS_DATA 9
  64 #define ECMD_DCCTL_DEBUG 0x0a
  65
  66 #define ALI_CHAN_CMD 6
  67 #define ALI_CHAN_ECMD 1
  68
  69 #define MPS_MSG_HEADER_W(_sc, _bc, _cmd, _chan, _mode, _ecmd, _length) \
  70         MPS_MSG_HEADER(MPS_MSG_WRITE, _sc, _bc, _cmd, _chan, _mode, _ecmd, _length)
  71
  72 #define MPS_MSG_HEADER_R(_sc, _bc, _cmd, _chan, _mode, _ecmd, _length) \
  73         MPS_MSG_HEADER(MPS_MSG_READ, _sc, _bc, _cmd, _chan, _mode, _ecmd, _length)
  74
  75 #define MPS_MSG_CMD_EOP(_mode, _ecmd, _length) \
  76         MPS_MSG_HEADER_R(0, 0, MPS_CMD_EOP, 0, _mode, _ecmd, _length)
  77
  78 #define MPS_MSG_CMD_EOP_SYSTEM(_ecmd, _length) \
  79         MPS_MSG_CMD_EOP(MOD_SYSTEM, _ecmd, _length)
  80
  81 #define MPS_CMD_GET_VERSION \
  82         MPS_MSG_CMD_EOP_SYSTEM(ECMD_SYS_VER, 4)
  83
  84 #define MPS_CMD_ALI(_chan) \
  85         MPS_MSG_HEADER_W(0, 0, ALI_CHAN_CMD, _chan, MOD_ALI, ALI_CHAN_ECMD, 12)
  86
  87 #endif