R_BSP_SpdifDef.h

00001 /*******************************************************************************
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00022 *******************************************************************************/
00023 /**************************************************************************//**
00024 * @file          R_BSP_SpdifDef.h
00025 * @brief         SPDIF defines
00026 ******************************************************************************/
00027 
00028 #ifndef R_BSP_SPDIF_DEF_H
00029 #define R_BSP_SPDIF_DEF_H
00030 
00031 /******************************************************************************
00032 Includes <System Includes> , "Project Includes"
00033 ******************************************************************************/
00034 
00035 #ifdef __cplusplus
00036 extern "C"
00037 {
00038 #endif /* __cplusplus */
00039 
00040 /******************************************************************************
00041  Defines
00042  *****************************************************************************/
00043 
00044 /******************************************************************************
00045  Constant Macros
00046  *****************************************************************************/
00047 #define SPDIF_NUM_CHANS       (1u)    /**< Number of SPDIF channels */
00048 
00049 /* ==== SPDIF Buffer ==== */
00050 #define SPDIF_NUMOF_FRM   (192)
00051 #define SPDIF_NUMOF_CH    (2)
00052 #define SPDIF_AUDIO_BUFFSIZE (SPDIF_NUMOF_FRM * SPDIF_NUMOF_CH)
00053 #define SPDIF_USER_BUFFSIZE  ((SPDIF_NUMOF_FRM * SPDIF_NUMOF_CH) / 32)
00054 
00055 /******************************************************************************
00056  Function Macros
00057  *****************************************************************************/
00058 
00059 /******************************************************************************
00060  Enumerated Types
00061  *****************************************************************************/
00062 /** CTRL:CKS(Clock source for oversampling) */
00063 typedef enum
00064 {
00065     SPDIF_CFG_CKS_AUDIO_X1  = 0,  /**< select AUDIO_X1   */
00066     SPDIF_CFG_CKS_AUDIO_CLK = 1   /**< select AUIDIO_CLK */
00067 } spdif_chcfg_cks_t; 
00068 
00069 /** CTRL:RASS,TASS(Audio bit length) */
00070 typedef enum
00071 {
00072     SPDIF_CFG_AUDIO_BIT_16 = 0,   /**< Audio bit length 16 */
00073     SPDIF_CFG_AUDIO_BIT_20 = 1,   /**< Audio bit length 20 */
00074     SPDIF_CFG_AUDIO_BIT_24 = 2    /**< Audio bit length 24 */
00075 } spdif_chcfg_audio_bit_t;
00076 
00077 /******************************************************************************
00078  Structures
00079  *****************************************************************************/
00080 
00081 /** This structure contains the configuration settings */
00082 typedef struct
00083 {
00084     bool                            enabled;             /**< The enable flag for the channel       */
00085     uint8_t                         int_level;           /**< Interrupt priority for the channel    */
00086     spdif_chcfg_cks_t               clk_select;          /**< CTRL-CKS : Audio clock select         */
00087     spdif_chcfg_audio_bit_t         audio_bit_tx;        /**< CTRL-TASS : Audio bit length          */
00088     spdif_chcfg_audio_bit_t         audio_bit_rx;        /**< CTRL-RASS : Audio bit length          */
00089     bool                            tx_u_data_enabled;   /**< CTRL-RASS : Audio bit length          */
00090 } spdif_channel_cfg_t;
00091 
00092 typedef struct
00093 {
00094     uint32_t                        Lch;                 /**< Channel Status bit Lch    */
00095     uint32_t                        Rch;                 /**< Channel Status bit Rch    */
00096 } spdif_channel_status_t;
00097 
00098 typedef struct
00099 {
00100     uint32_t a_buff[SPDIF_AUDIO_BUFFSIZE];               /**< Audio Buffer */
00101     uint32_t u_buff[SPDIF_USER_BUFFSIZE];                /**< User Buffer */
00102     uint32_t s_buff[SPDIF_NUMOF_CH];                     /**< Channel Status Buffer */
00103 } spdif_t;
00104 
00105 /******************************************************************************
00106  IOCTLS
00107  *****************************************************************************/
00108 
00109 #define SPDIF_CONFIG_CHANNEL        (0)
00110 #define SPDIF_SET_CHANNEL_STATUS    (1)
00111 #define SPDIF_GET_CHANNEL_STATUS    (2)
00112 #define SPDIF_SET_TRANS_AUDIO_BIT   (3)
00113 #define SPDIF_SET_RECV_AUDIO_BIT    (4)
00114 
00115 #ifdef __cplusplus
00116 }
00117 #endif /* __cplusplus */
00118 
00119 #endif /* R_BSP_SPDIF_DEF_H */