dma.h

手机GSM TI 平台 dma 驱动 源代码

/******************************************************************************
            TEXAS INSTRUMENTS INCORPORATED PROPRIETARY INFORMATION

   Property of Texas Instruments -- For  Unrestricted  Internal  Use  Only
   Unauthorized reproduction and/or distribution is strictly prohibited.  This
   product  is  protected  under  copyright  law  and  trade  secret law as an
   unpublished work.  Created 1987, (C) Copyright 1997 Texas Instruments.  All
   rights reserved.


   Filename         : dma.h

   Description      : DMA 

   Project          : drivers

   Author           : [e-mail]  Patrice Monteil.

   Version number   : 1.12

   Date             : 05/23/03

   Previous delta   : 12/08/00 11:22:15

   SCCS file        : /db/gsm_asp/db_ht96/dsp_0/gsw/rel_0/mcu_l1/release_gprs/RELEASE_GPRS/drivers1/common/SCCS/s.dma.h

   Sccs Id  (SID)       : '@(#) dma.h 1.6 01/30/01 10:22:23 '


*****************************************************************************/

#include "chipset.cfg"
 
/**** DMA configuration register ****/

#if (CHIPSET != 12)

// CONTROLLER_CONFIG register
//---------------------------
#if ((CHIPSET == 4) || (CHIPSET == 7) || (CHIPSET == 8) || (CHIPSET == 10) || (CHIPSET == 11))
  #define DMA_CONFIG_ADDR    MEM_DMA_ADDR
#else
  #define DMA_CONFIG_ADDR    (MEM_DMA_ADDR + 0x20)
#endif
#define DMA_CONFIG_BURST     0x1c  /* length of burst */

// ALLOC_CONFIG register
//---------------------------
#if ((CHIPSET == 4) || (CHIPSET == 7) || (CHIPSET == 8) || (CHIPSET == 10) || (CHIPSET == 11))
  #define DMA_ALLOC_CONFIG_ADDR (MEM_DMA_ADDR + 0x02)
#endif
#define DMA_CONFIG_ALLOC1     0x01  /* allocation for channel 1 */
#define DMA_CONFIG_ALLOC2     0x02  /* allocation for channel 2 */

// DMA Channel 1 configuration
//---------------------------

// DMA1_RAD register
//---------------------------
#if ((CHIPSET == 4) || (CHIPSET == 7) || (CHIPSET == 8) || (CHIPSET == 10) || (CHIPSET == 11))
  #define DMA1_RAD_ADDR   (MEM_DMA_ADDR + 0x10)
#else
  #define DMA1_RAD_ADDR   MEM_DMA_ADDR
#endif
#define DMA_RHEA_ADDR     0x07ff  /* rhea start address */
#define DMA_RHEA_CS       0xf800  /* rhea chip select */

// DMA1_RDPTH register
//---------------------------
#if ((CHIPSET == 4) || (CHIPSET == 7) || (CHIPSET == 8) || (CHIPSET == 10) || (CHIPSET == 11))
  #define DMA1_RDPTH_ADDR    (MEM_DMA_ADDR + 0x12)
#else
  #define DMA1_RDPTH_ADDR    (MEM_DMA_ADDR + 0x02)
#endif
#define DMA_RHEA_LENGTH       0x07ff    /* rhea buffer length */

// DMA1_AAD register
//---------------------------
#if ((CHIPSET == 4) || (CHIPSET == 7) || (CHIPSET == 8) || (CHIPSET == 10) || (CHIPSET == 11))
  #define DMA1_AAD_ADDR    (MEM_DMA_ADDR + 0x14)
#else
  #define DMA1_AAD_ADDR    (MEM_DMA_ADDR + 0x04)
#endif
#define DMA_API_ADDR       0x0fff  /* API start address */

// DMA1_ALGTH register
//---------------------------
#if ((CHIPSET == 4) || (CHIPSET == 7) || (CHIPSET == 8) || (CHIPSET == 10) || (CHIPSET == 11))
  #define DMA1_ALGTH_ADDR  (MEM_DMA_ADDR + 0x16)
#else
  #define DMA1_ALGTH_ADDR  (MEM_DMA_ADDR + 0x06)
#endif
#define DMA_API_LENGTH     0x0fff  /* API page length */

// DMA1_CTRL register
//---------------------------
#if ((CHIPSET == 4) || (CHIPSET == 7) || (CHIPSET == 8) || (CHIPSET == 10) || (CHIPSET == 11))
  #define DMA1_CTRL_ADDR   (MEM_DMA_ADDR + 0x18)
#else
  #define DMA1_CTRL_ADDR   (MEM_DMA_ADDR + 0x08)
#endif
#define DMA_CTRL_ENABLE     0x0001  /* DMA enable */
#define DMA_CTRL_IDLE       0x0002  /* idle */
#define DMA_CTRL_ONE_SHOT   0x0004
#define DMA_CTRL_FIFO_MODE  0x0008
#define DMA_CTRL_CUR_PAGE   0x0010  /* current page # */
#define DMA_CTRL_MAS        0x0020
#define DMA_CTRL_START      0x0040  /* DMA start */
#define DMA_CTRL_IRQ_MODE   0x0080
#define DMA_CTRL_IRQ_STATE  0x0100
#define DMA_CTRL_RHEA_ABORT 0x0200
#if ((CHIPSET == 4) || (CHIPSET == 7) || (CHIPSET == 8) || (CHIPSET == 10) || (CHIPSET == 11))
  #define DMA_CTRL_PRIORITY     0x1800  /* Number of additional reading on the bus */
#endif

// DMA1_CUR_OFFSET_API register
//---------------------------
#if ((CHIPSET == 4) || (CHIPSET == 7) || (CHIPSET == 8) || (CHIPSET == 10) || (CHIPSET == 11))
  #define DMA1_OFFSET_ADDR (MEM_DMA_ADDR + 0x1A)
#else
  #define DMA1_OFFSET_ADDR (MEM_DMA_ADDR + 0x0A)
#endif

 
// DMA Channel 2 configuration
//---------------------------
 
#if ((CHIPSET == 4) || (CHIPSET == 7) || (CHIPSET == 8) || (CHIPSET == 10) || (CHIPSET == 11))
  #define DMA2_RAD_ADDR         (MEM_DMA_ADDR + 0x20)
  #define DMA2_RDPTH_ADDR       (MEM_DMA_ADDR + 0x22)
  #define DMA2_AAD_ADDR         (MEM_DMA_ADDR + 0x24)
  #define DMA2_ALGTH_ADDR       (MEM_DMA_ADDR + 0x26)
  #define DMA2_CTRL_ADDR        (MEM_DMA_ADDR + 0x28)
  #define DMA2_OFFSET_ADDR      (MEM_DMA_ADDR + 0x2A)
#else
  #define DMA2_RAD_ADDR         (MEM_DMA_ADDR + 0x10)
  #define DMA2_RDPTH_ADDR       (MEM_DMA_ADDR + 0x12)
  #define DMA2_AAD_ADDR         (MEM_DMA_ADDR + 0x14)
  #define DMA2_ALGTH_ADDR       (MEM_DMA_ADDR + 0x16)
  #define DMA2_CTRL_ADDR        (MEM_DMA_ADDR + 0x18)
  #define DMA2_OFFSET_ADDR      (MEM_DMA_ADDR + 0x1A)
#endif

#if ((CHIPSET == 4) || (CHIPSET == 7) || (CHIPSET == 8) || (CHIPSET == 10) || (CHIPSET == 11))
  // DMA Channel 3 configuration
  //---------------------------

  #define DMA3_RAD_ADDR     (MEM_DMA_ADDR + 0x30)
  #define DMA3_RDPTH_ADDR   (MEM_DMA_ADDR + 0x32)
  #define DMA3_AAD_ADDR     (MEM_DMA_ADDR + 0x34)
  #define DMA3_ALGTH_ADDR   (MEM_DMA_ADDR + 0x36)
  #define DMA3_CTRL_ADDR    (MEM_DMA_ADDR + 0x38)
  #define DMA3_OFFSET_ADDR  (MEM_DMA_ADDR + 0x3A)

  // DMA Channel 4 configuration
  //---------------------------

  #define DMA4_RAD_ADDR     (MEM_DMA_ADDR + 0x40)
  #define DMA4_RDPTH_ADDR   (MEM_DMA_ADDR + 0x42)
  #define DMA4_AAD_ADDR     (MEM_DMA_ADDR + 0x44)
  #define DMA4_ALGTH_ADDR   (MEM_DMA_ADDR + 0x46)
  #define DMA4_CTRL_ADDR    (MEM_DMA_ADDR + 0x48)
  #define DMA4_OFFSET_ADDR  (MEM_DMA_ADDR + 0x4A)
#endif

/*--------------------------------------------------------------*/
/* DMA_ALLOCDMA()                                               */
/*--------------------------------------------------------------*/
/* Parameters : none                                            */
/* Return     : none                                            */
/* Functionality : alloc DMA channel                            */
/*--------------------------------------------------------------*/

#if ((CHIPSET == 4) || (CHIPSET == 7) || (CHIPSET == 8) || (CHIPSET == 10) || (CHIPSET == 11))
  // WARNING :
  // Only the first two channels can be configured and the last two channels are forced to be controlled by the ARM
  #define DMA_ALLOCDMA(channel0, channel1, dma_burst,priority) { \
    * (volatile unsigned short *) DMA_CONFIG_ADDR = (dma_burst << 2) | (priority << 5); \
    * (volatile unsigned short *) DMA_ALLOC_CONFIG_ADDR = channel0 | (channel1 << 1) | 0x000C; \
    }
#else
  #define DMA_ALLOCDMA(channel0, channel1,dma_burst,priority) (* (volatile unsigned short *) DMA_CONFIG_ADDR = channel0 | channel1 << 1 | dma_burst << 2 | priority << 5)
#endif

#endif /* (CHIPSET != 12)*/