am_event_handler_mdi.cc

Motorola synergy audio component

/* (c) Copyright Motorola 1995-2001 All rights reserved.
   Motorola Confidential Proprietary
   Contains confidential proprietary information of Motorola, Inc.
   Reverse engineering is prohibited.
   The copyright notice does not imply publication.

   DESCRIPTION: 
      This module handles 

 *************** REVISION HISTORY *********************************************
  
   Date       Author             Reference
   ========   ========           ==========================
   2004-12-04 w16355             CR -LIBff37755
              Fiji draws more than 5mA in standby mode.

   08/14/03   w13738             LIBdd27679 - MIDI Progress Bar doesn't work on
                                              Triplets
   09/12/01   L Haegele w18944   LIBbb03971 - Initial file creation
   03-08-26   Sajeev    a19436   LIBdd33122 - Handling DECODE_FINISHED reply 
                                              from the DSP
*/
/************** INCLUDES ******************************************************/
#include <audio/AM_Event_Handler.H>
#include <ENGINE_HAPI/hapi_mdi_queue.h>
#include <ENGINE_AUDIO/am_mdi_queue_controller.h>
#include <ENGINE_AUDIO/td_dsp_aud_reply_buff.h>
#include <ENGINE_HAPI/hapi_mdi_message_ids.h>
#include <MME/mme_avio_mdi.h>
#include <audio/AM_HW_Primitive_Builder.H>
#include <audio/AM_Tone_Sequence_Handler.H>
#if (MAKE_NEPTUNE_CHIPSET == TRUE)
#include <mme_fw/mme_fw_mdi.h>
#endif


/************** LOCAL CONSTANTS ***********************************************/

/************** LOCAL STRUCTURES, ENUMS, AND TYPEDEFS *************************/

/************** LOCAL FUNCTION PROTOTYPES *************************************/

/************** LOCAL MACROS **************************************************/

/************** LOCAL VARIABLES ***********************************************/
extern BOOL dsp_awake;

/************** FUNCTION DEFINITIONS ******************************************/
/* DESCRIPTION:
       Function handles a request for the mdi audio command queue.

   INPUTS:
       generic primitive

   OUTPUTS:
       None

   IMPORTANT NOTES:
       None
*/

void AM_Event_Handler::handle_am_mdi_q_command(void *msg)
{
     AM_MDI_Q_MSG_T * am_mdi_q_msg = (AM_MDI_Q_MSG_T*) msg;
     HAPI_MDI_QUEUE_write(MCU_DSP_AUDIO_COMMAND, am_mdi_q_msg->data,
          (UINT16)am_mdi_q_msg->num_words, TRUE);

     if (!eventqueuehandler.Exists())
     {
         //  Put the DSP into low power mode.
         AM_HW_Primitive_Builder :: put_dsp_in_low_power_mode();

         dsp_awake = FALSE;
     }
}

/* DESCRIPTION:
       Function handles a dsp reply external to the audio manager.

   INPUTS:
       generic primitive

   OUTPUTS:
       None

   IMPORTANT NOTES:
       None
*/
void AM_Event_Handler::handle_am_mdi_q_external_reply(void *msg)
{
    UINT16 *mdi_msg = (UINT16*)msg;
    UINT8 len;

    len = (UINT8)(mdi_msg[1]&0xFF) + 2; /* get the length of the DSP reply
                                           in 16bit words, including the 2 (16bit)
                                           word header. */
    /* call the appropriate callback function, depending on the DSP reply msg id */
    switch (mdi_msg[0])
    {
       case DSP_MCU_AUDIO_MM_SESSION_START:
       case DSP_MCU_AUDIO_MM_SESSION_END:
       case DSP_MCU_AUDIO_MM_TOKEN_INFO:
#if (MAKE_NEPTUNE_CHIPSET && MAKE_HDW_BB_IC == MAKE_HDW_NEPTUNE_LTS) /* only for TRIPLETS */
       case DSP_MCU_AUDIO_MM_DECODE_FINISHED:
#endif
#if (AUDIO_RAINBOW == TRUE)
       case DSP_MCU_AUDIO_MM_VIDEO_INFO:
       case DSP_MCU_AUDIO_MM_DECODE_FINISHED:
#endif
          MME_FW_MDI_avio_callback(mdi_msg, len);
          break;
       case DSP_MCU_AUDIO_MIDI_EVENT:
#if (AUDIO_RAINBOW == TRUE)
       case DSP_MCU_DEBUG_ERROR_REPLY:  
       case DSP_MCU_AUDIO_MIDI_OFF:
#endif
          MME_FW_MDI_mo_callback(mdi_msg, len);
          break;
#if (AUDIO_RAINBOW == TRUE)
       case DSP_MCU_AUDIO_DMP_REQUEST:
       case DSP_MCU_AUDIO_DMP_INFO_REQUEST:
       case DSP_MCU_AUDIO_DMP_MRAM_REQUEST:
          MME_FW_MDI_dmmgr_callback(mdi_msg);
#endif
       default:
          break;
    }
}