release/src-rt/linux/linux-2.6/sound/soc/bcm947xx/bcm947xx-i2s.h

   1 /*
   2  * ALSA I2S Interface for the Broadcom BCM947XX family of SOCs
   3  *
   4  * Copyright (C) 2009, Broadcom Corporation
   5  * All Rights Reserved.
   6  *
   7  * THIS SOFTWARE IS OFFERED "AS IS", AND BROADCOM GRANTS NO WARRANTIES OF ANY
   8  * KIND, EXPRESS OR IMPLIED, BY STATUTE, COMMUNICATION OR OTHERWISE. BROADCOM
   9  * SPECIFICALLY DISCLAIMS ANY IMPLIED WARRANTIES OF MERCHANTABILITY, FITNESS
  10  * FOR A SPECIFIC PURPOSE OR NONINFRINGEMENT CONCERNING THIS SOFTWARE.
  11  *
  12  * $Id: bcm947xx-i2s.h,v 1.1 2009/10/30 20:46:42 Exp $
  13  */
  14
  15 #ifndef _BCM947XX_I2S_H
  16 #define _BCM947XX_I2S_H
  17
  18 /* bcm947xx DAI ID's */
  19 #define BCM947XX_DAI_I2S                        0
  20
  21 /* I2S clock */
  22 #define BCM947XX_I2S_SYSCLK                     0
  23
  24 extern struct snd_soc_cpu_dai bcm947xx_i2s_dai;
  25
  26 typedef struct bcm947xx_i2s_info bcm947xx_i2s_info_t;
  27 struct bcm947xx_i2s_info {
  28         /* ALSA structs. */
  29         struct snd_card *card;
  30         //      struct snd_pcm *pcm[BCM947XX_PCM_LAST];
  31
  32         //spinlock_t lock;
  33
  34         int             irq;
  35         osl_t           *osh;
  36         void            *regsva;                        /* opaque chip registers virtual address */
  37         i2sregs_t       *regs;                  /* pointer to device registers */
  38         hnddma_t        *di[1];         /* hnddma handles, per fifo */
  39         si_t            *sih;           /* SB handle (cookie for siutils calls) */
  40         uint32          mclk;           /* Frequency of system MCLK */
  41 };
  42
  43 extern bcm947xx_i2s_info_t *snd_bcm;
  44
  45 #endif /* _BCM947XX_I2S_H */