| 1 | /*************************************************************************** |
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| 2 | * Copyright (c) 2006-2012, Broadcom Corporation |
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| 3 | * All Rights Reserved |
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| 4 | * Confidential Property of Broadcom Corporation |
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| 5 | * |
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| 6 | * THIS SOFTWARE MAY ONLY BE USED SUBJECT TO AN EXECUTED SOFTWARE LICENSE |
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| 7 | * AGREEMENT BETWEEN THE USER AND BROADCOM. YOU HAVE NO RIGHT TO USE OR |
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| 8 | * EXPLOIT THIS MATERIAL EXCEPT SUBJECT TO THE TERMS OF SUCH AN AGREEMENT. |
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| 9 | * |
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| 10 | * $brcm_Workfile: bape_nco.c $ |
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| 11 | * $brcm_Revision: Hydra_Software_Devel/5 $ |
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| 12 | * $brcm_Date: 1/27/12 4:50p $ |
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| 13 | * |
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| 14 | * Module Description: Audio Decoder Interface |
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| 15 | * |
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| 16 | * Revision History: |
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| 17 | * |
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| 18 | * $brcm_Log: /magnum/portinginterface/ape/7422/bape_nco.c $ |
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| 19 | * |
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| 20 | * Hydra_Software_Devel/5 1/27/12 4:50p jgarrett |
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| 21 | * SW7429-55: Updating MCLK of all connected outputs when a new mixer is |
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| 22 | * attached |
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| 23 | * |
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| 24 | * Hydra_Software_Devel/4 11/14/11 3:16p gskerl |
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| 25 | * SW7429-18: Merging 7429 changes back to main branch. |
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| 26 | * |
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| 27 | * Hydra_Software_Devel/SW7429-18/2 10/26/11 12:44p jgarrett |
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| 28 | * SW7429-18: Merging latest changes from main branch |
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| 29 | * |
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| 30 | * Hydra_Software_Devel/SW7429-18/1 10/25/11 10:15a jgarrett |
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| 31 | * SW7429-18: Adding NCO support for 7429 |
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| 32 | * |
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| 33 | * Hydra_Software_Devel/3 10/25/11 1:30p gskerl |
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| 34 | * SW7231-129: Added support for recovering hardware state after power |
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| 35 | * standby/resume. |
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| 36 | * |
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| 37 | * Hydra_Software_Devel/2 7/11/11 2:29p jgarrett |
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| 38 | * SW7552-72: Removing 35230 compiler warning |
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| 39 | * |
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| 40 | * Hydra_Software_Devel/1 7/8/11 4:29p gskerl |
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| 41 | * SW7552-72: Added support for NCO/Mclkgen audio clock sources |
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| 42 | * |
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| 43 | * |
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| 44 | ***************************************************************************/ |
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| 45 | |
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| 46 | #include "bstd.h" |
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| 47 | #include "bkni.h" |
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| 48 | #include "bape.h" |
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| 49 | #include "bape_priv.h" |
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| 50 | |
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| 51 | #if BCHP_CLKGEN_REG_START |
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| 52 | #include "bchp_clkgen.h" |
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| 53 | #endif |
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| 54 | |
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| 55 | BDBG_MODULE(bape_nco); |
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| 56 | |
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| 57 | #if BAPE_CHIP_MAX_NCOS > 0 /* If no NCOs on this chip, then skip all of this. None of these functions are ever called. */ |
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| 58 | |
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| 59 | #ifdef BCHP_AUD_FMM_IOP_NCO_0_REG_START |
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| 60 | #include "bchp_aud_fmm_iop_nco_0.h" |
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| 61 | #ifdef BCHP_AUD_FMM_IOP_NCO_1_REG_START |
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| 62 | #include "bchp_aud_fmm_iop_nco_1.h" |
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| 63 | #define BAPE_NCO_STRIDE (BCHP_AUD_FMM_IOP_NCO_1_REG_START - BCHP_AUD_FMM_IOP_NCO_0_REG_START) |
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| 64 | #else |
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| 65 | #define BAPE_NCO_STRIDE 0 |
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| 66 | #endif |
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| 67 | #endif |
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| 68 | |
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| 69 | #ifdef BCHP_AUD_FMM_OP_MCLKGEN_REG_START |
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| 70 | #include "bchp_aud_fmm_op_mclkgen.h" |
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| 71 | #if BAPE_CHIP_MAX_NCOS > 1 |
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| 72 | #define BAPE_NCO_STRIDE (BCHP_AUD_FMM_OP_MCLKGEN_MCLK_GEN_1_SAMPLE_INC - BCHP_AUD_FMM_OP_MCLKGEN_MCLK_GEN_0_SAMPLE_INC) |
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| 73 | #else |
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| 74 | #define BAPE_NCO_STRIDE 0 |
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| 75 | #endif |
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| 76 | #endif |
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| 77 | |
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| 78 | #if defined BCHP_AUD_FMM_OP_MCLKGEN_REG_START |
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| 79 | static void BAPE_Nco_UpdateDividers_isr(BAPE_Handle handle, BAPE_Nco nco, uint32_t sampleInc, uint32_t numerator, uint32_t denominator, uint32_t phaseInc, BAVC_Timebase outputTimebase) |
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| 80 | { |
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| 81 | uint32_t regAddr, regVal; |
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| 82 | |
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| 83 | regAddr = BCHP_AUD_FMM_OP_MCLKGEN_MCLK_GEN_0_CONTROL + (BAPE_NCO_STRIDE * nco); |
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| 84 | regVal = BREG_Read32_isr(handle->regHandle, regAddr); |
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| 85 | regVal &= ~BCHP_MASK(AUD_FMM_OP_MCLKGEN_MCLK_GEN_0_CONTROL, TIMEBASE); |
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| 86 | switch ( outputTimebase ) |
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| 87 | { |
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| 88 | case BAVC_Timebase_e0: |
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| 89 | regVal |= BCHP_FIELD_ENUM(AUD_FMM_OP_MCLKGEN_MCLK_GEN_0_CONTROL, TIMEBASE, TIMEBASE_0); |
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| 90 | break; |
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| 91 | case BAVC_Timebase_e1: |
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| 92 | regVal |= BCHP_FIELD_ENUM(AUD_FMM_OP_MCLKGEN_MCLK_GEN_0_CONTROL, TIMEBASE, TIMEBASE_1); |
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| 93 | break; |
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| 94 | case BAVC_Timebase_e2: |
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| 95 | regVal |= BCHP_FIELD_ENUM(AUD_FMM_OP_MCLKGEN_MCLK_GEN_0_CONTROL, TIMEBASE, TIMEBASE_2); |
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| 96 | break; |
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| 97 | case BAVC_Timebase_e3: |
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| 98 | regVal |= BCHP_FIELD_ENUM(AUD_FMM_OP_MCLKGEN_MCLK_GEN_0_CONTROL, TIMEBASE, TIMEBASE_3); |
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| 99 | break; |
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| 100 | } |
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| 101 | BREG_Write32_isr(handle->regHandle, regAddr, regVal); |
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| 102 | |
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| 103 | regAddr = BCHP_AUD_FMM_OP_MCLKGEN_MCLK_GEN_0_RATE_RATIO + (BAPE_NCO_STRIDE * nco); |
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| 104 | regVal = BREG_Read32_isr(handle->regHandle, regAddr); |
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| 105 | regVal &= ~BCHP_MASK(AUD_FMM_OP_MCLKGEN_MCLK_GEN_0_RATE_RATIO, DENOMINATOR); |
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| 106 | regVal |= BCHP_FIELD_DATA(AUD_FMM_OP_MCLKGEN_MCLK_GEN_0_RATE_RATIO, DENOMINATOR, denominator); |
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| 107 | BREG_Write32_isr(handle->regHandle, regAddr, regVal); |
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| 108 | |
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| 109 | regAddr = BCHP_AUD_FMM_OP_MCLKGEN_MCLK_GEN_0_SAMPLE_INC + (BAPE_NCO_STRIDE * nco); |
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| 110 | regVal = BREG_Read32_isr(handle->regHandle, regAddr); |
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| 111 | regVal &= ~(BCHP_MASK(AUD_FMM_OP_MCLKGEN_MCLK_GEN_0_SAMPLE_INC, SAMPLE_INC) | BCHP_MASK(AUD_FMM_OP_MCLKGEN_MCLK_GEN_0_SAMPLE_INC, NUMERATOR)); |
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| 112 | regVal |= BCHP_FIELD_DATA(AUD_FMM_OP_MCLKGEN_MCLK_GEN_0_SAMPLE_INC, NUMERATOR, numerator); |
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| 113 | regVal |= BCHP_FIELD_DATA(AUD_FMM_OP_MCLKGEN_MCLK_GEN_0_SAMPLE_INC, SAMPLE_INC, sampleInc); |
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| 114 | BREG_Write32_isr(handle->regHandle, regAddr, regVal); |
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| 115 | |
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| 116 | regAddr = BCHP_AUD_FMM_OP_MCLKGEN_MCLK_GEN_0_PHASE_INC + (BAPE_NCO_STRIDE * nco); |
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| 117 | regVal = BREG_Read32_isr(handle->regHandle, regAddr); |
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| 118 | regVal &= ~BCHP_MASK(AUD_FMM_OP_MCLKGEN_MCLK_GEN_0_PHASE_INC, PHASE_INC); |
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| 119 | regVal |= BCHP_FIELD_DATA(AUD_FMM_OP_MCLKGEN_MCLK_GEN_0_PHASE_INC, PHASE_INC, phaseInc); |
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| 120 | BREG_Write32_isr(handle->regHandle, regAddr, regVal); |
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| 121 | } |
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| 122 | #elif defined BCHP_AUD_FMM_IOP_NCO_0_REG_START |
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| 123 | static void BAPE_Nco_UpdateDividers_isr(BAPE_Handle handle, BAPE_Nco nco, uint32_t sampleInc, uint32_t numerator, uint32_t denominator, uint32_t phaseInc, BAVC_Timebase outputTimebase) |
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| 124 | { |
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| 125 | uint32_t regAddr, regVal; |
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| 126 | |
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| 127 | regAddr = BCHP_AUD_FMM_IOP_NCO_0_MCLK_GEN_0_CONTROL + (BAPE_NCO_STRIDE * nco); |
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| 128 | regVal = BREG_Read32_isr(handle->regHandle, regAddr); |
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| 129 | regVal &= ~BCHP_MASK(AUD_FMM_IOP_NCO_0_MCLK_GEN_0_CONTROL, TIMEBASE); |
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| 130 | switch ( outputTimebase ) |
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| 131 | { |
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| 132 | case BAVC_Timebase_e0: |
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| 133 | regVal |= BCHP_FIELD_ENUM(AUD_FMM_IOP_NCO_0_MCLK_GEN_0_CONTROL, TIMEBASE, TIMEBASE_0); |
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| 134 | break; |
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| 135 | case BAVC_Timebase_e1: |
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| 136 | regVal |= BCHP_FIELD_ENUM(AUD_FMM_IOP_NCO_0_MCLK_GEN_0_CONTROL, TIMEBASE, TIMEBASE_1); |
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| 137 | break; |
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| 138 | case BAVC_Timebase_e2: |
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| 139 | regVal |= BCHP_FIELD_ENUM(AUD_FMM_IOP_NCO_0_MCLK_GEN_0_CONTROL, TIMEBASE, TIMEBASE_2); |
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| 140 | break; |
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| 141 | case BAVC_Timebase_e3: |
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| 142 | regVal |= BCHP_FIELD_ENUM(AUD_FMM_IOP_NCO_0_MCLK_GEN_0_CONTROL, TIMEBASE, TIMEBASE_3); |
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| 143 | break; |
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| 144 | } |
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| 145 | BREG_Write32_isr(handle->regHandle, regAddr, regVal); |
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| 146 | |
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| 147 | regAddr = BCHP_AUD_FMM_IOP_NCO_0_MCLK_GEN_0_RATE_RATIO + (BAPE_NCO_STRIDE * nco); |
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| 148 | regVal = BREG_Read32_isr(handle->regHandle, regAddr); |
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| 149 | regVal &= ~BCHP_MASK(AUD_FMM_IOP_NCO_0_MCLK_GEN_0_RATE_RATIO, DENOMINATOR); |
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| 150 | regVal |= BCHP_FIELD_DATA(AUD_FMM_IOP_NCO_0_MCLK_GEN_0_RATE_RATIO, DENOMINATOR, denominator); |
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| 151 | BREG_Write32_isr(handle->regHandle, regAddr, regVal); |
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| 152 | |
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| 153 | regAddr = BCHP_AUD_FMM_IOP_NCO_0_MCLK_GEN_0_SAMPLE_INC + (BAPE_NCO_STRIDE * nco); |
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| 154 | regVal = BREG_Read32_isr(handle->regHandle, regAddr); |
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| 155 | regVal &= ~(BCHP_MASK(AUD_FMM_IOP_NCO_0_MCLK_GEN_0_SAMPLE_INC, SAMPLE_INC) | BCHP_MASK(AUD_FMM_IOP_NCO_0_MCLK_GEN_0_SAMPLE_INC, NUMERATOR)); |
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| 156 | regVal |= BCHP_FIELD_DATA(AUD_FMM_IOP_NCO_0_MCLK_GEN_0_SAMPLE_INC, NUMERATOR, numerator); |
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| 157 | regVal |= BCHP_FIELD_DATA(AUD_FMM_IOP_NCO_0_MCLK_GEN_0_SAMPLE_INC, SAMPLE_INC, sampleInc); |
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| 158 | BREG_Write32_isr(handle->regHandle, regAddr, regVal); |
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| 159 | |
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| 160 | regAddr = BCHP_AUD_FMM_IOP_NCO_0_MCLK_GEN_0_PHASE_INC + (BAPE_NCO_STRIDE * nco); |
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| 161 | regVal = BREG_Read32_isr(handle->regHandle, regAddr); |
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| 162 | regVal &= ~BCHP_MASK(AUD_FMM_IOP_NCO_0_MCLK_GEN_0_PHASE_INC, PHASE_INC); |
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| 163 | regVal |= BCHP_FIELD_DATA(AUD_FMM_IOP_NCO_0_MCLK_GEN_0_PHASE_INC, PHASE_INC, phaseInc); |
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| 164 | BREG_Write32_isr(handle->regHandle, regAddr, regVal); |
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| 165 | } |
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| 166 | #else |
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| 167 | #error Unknown NCO register layout |
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| 168 | #endif |
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| 169 | |
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| 170 | |
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| 171 | |
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| 172 | void BAPE_P_AttachMixerToNco(BAPE_MixerHandle mixer, BAPE_Nco nco) |
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| 173 | { |
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| 174 | unsigned ncoIndex = nco - BAPE_Nco_e0; |
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| 175 | |
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| 176 | BDBG_OBJECT_ASSERT(mixer, BAPE_Mixer); |
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| 177 | BDBG_ASSERT(ncoIndex < BAPE_CHIP_MAX_NCOS); |
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| 178 | BDBG_MSG(("Attaching mixer %p to NCO:%u", mixer, ncoIndex )); |
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| 179 | BLST_S_INSERT_HEAD(&mixer->deviceHandle->audioNcos[ncoIndex].mixerList, mixer, ncoNode); |
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| 180 | /* Update MCLK source for attached outputs */ |
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| 181 | BKNI_EnterCriticalSection(); |
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| 182 | BAPE_P_UpdateNco_isr(mixer->deviceHandle, nco); |
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| 183 | BKNI_LeaveCriticalSection(); |
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| 184 | } |
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| 185 | |
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| 186 | void BAPE_P_DetachMixerFromNco(BAPE_MixerHandle mixer, BAPE_Nco nco) |
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| 187 | { |
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| 188 | unsigned ncoIndex = nco - BAPE_Nco_e0; |
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| 189 | |
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| 190 | BDBG_OBJECT_ASSERT(mixer, BAPE_Mixer); |
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| 191 | BDBG_ASSERT(ncoIndex < BAPE_CHIP_MAX_NCOS); |
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| 192 | BDBG_MSG(("Detaching mixer %p from NCO:%u", mixer, ncoIndex )); |
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| 193 | BLST_S_REMOVE(&mixer->deviceHandle->audioNcos[ncoIndex].mixerList, mixer, BAPE_Mixer, ncoNode); |
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| 194 | } |
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| 195 | |
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| 196 | static BERR_Code BAPE_P_SetNcoFreq_isr( BAPE_Handle handle, BAPE_Nco nco, unsigned baseRate, unsigned *pOversample, BAVC_Timebase outputTimebase ) |
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| 197 | { |
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| 198 | int i; |
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| 199 | |
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| 200 | struct ncoInfo { |
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| 201 | unsigned baseFs; int oversample; long ncoFreq; int sampleInc; long numerator; int denominator; int phaseInc; |
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| 202 | } ncoInfo[] = |
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| 203 | { /* Multiples of 32 KHz */ |
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| 204 | { 32000, 256, 8192000, 3, 303, 1024, 0x09b583 }, |
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| 205 | { 64000, 128, 8192000, 3, 303, 1024, 0x09b583 }, |
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| 206 | { 64000, 256, 16384000, 1, 1327, 2048, 0x136B06 }, |
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| 207 | { 128000, 128, 16384000, 1, 1327, 2048, 0x136B06 }, |
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| 208 | { 128000, 256, 32768000, 0, 3375, 4096, 0x26D60D }, |
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| 209 | |
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| 210 | /* Multiples of 44.1 KHz */ |
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| 211 | { 44100, 256, 11289600, 2, 307, 784, 0x0d6159 }, |
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| 212 | { 88200, 128, 11289600, 2, 307, 784, 0x0d6159 }, |
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| 213 | { 88200, 256, 22579200, 1, 307, 1568, 0x1AC2B2 }, |
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| 214 | { 176400, 128, 22579200, 1, 307, 1568, 0x1AC2B2 }, |
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| 215 | { 176400, 256, 45158400, 0, 1875, 3136, 0x358564 }, |
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| 216 | |
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| 217 | /* Multiples of 48 KHz */ |
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| 218 | { 48000, 256, 12288000, 2, 101, 512, 0x0e9045 }, |
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| 219 | { 96000, 128, 12288000, 2, 101, 512, 0x0e9045 }, |
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| 220 | { 96000, 256, 24576000, 1, 101, 1024, 0x1D208A }, |
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| 221 | { 192000, 128, 24576000, 1, 101, 1024, 0x1D208A }, |
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| 222 | { 192000, 256, 49152000, 0, 1125, 2048, 0x3A4114 }, |
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| 223 | }; |
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| 224 | int numElems = sizeof ncoInfo/sizeof ncoInfo[0]; |
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| 225 | |
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| 226 | if (pOversample ) *pOversample = 0; /* set to zero in case of early return */ |
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| 227 | |
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| 228 | /* Search the table above to find the first entry for our baseRate. There may be several entries for |
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| 229 | * the baseRate, but for now, just use the first one we find. */ |
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| 230 | for ( i=0 ; i<numElems ; i++ ) |
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| 231 | { |
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| 232 | if ( ncoInfo[i].baseFs == baseRate ) |
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| 233 | { |
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| 234 | break; |
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| 235 | } |
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| 236 | } |
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| 237 | |
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| 238 | if ( i >= numElems ) |
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| 239 | { |
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| 240 | BDBG_ERR(("Can't find ncoInfo for sampling rate %u", baseRate)); |
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| 241 | return BERR_TRACE(BERR_INVALID_PARAMETER); |
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| 242 | } |
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| 243 | |
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| 244 | BDBG_ASSERT(ncoInfo[i].baseFs == baseRate); |
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| 245 | |
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| 246 | BDBG_MSG(("Setting NCO %u frequency to %u Hz (%u * %u)", nco, ncoInfo[i].ncoFreq, ncoInfo[i].oversample, ncoInfo[i].baseFs)); |
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| 247 | |
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| 248 | BAPE_Nco_UpdateDividers_isr(handle, nco, ncoInfo[i].sampleInc, ncoInfo[i].numerator, ncoInfo[i].denominator, ncoInfo[i].phaseInc, outputTimebase); |
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| 249 | handle->audioNcos[nco].baseSampleRate = baseRate; |
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| 250 | handle->audioNcos[nco].ncoFreq = ncoInfo[i].ncoFreq; |
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| 251 | handle->audioNcos[nco].timebase = outputTimebase; |
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| 252 | |
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| 253 | if (pOversample ) *pOversample = ncoInfo[i].oversample; /* pass oversample factor back to caller. */ |
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| 254 | |
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| 255 | return BERR_SUCCESS; |
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| 256 | } |
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| 257 | |
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| 258 | BERR_Code BAPE_P_UpdateNco_isr(BAPE_Handle handle, BAPE_Nco nco) |
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| 259 | { |
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| 260 | unsigned baseRate = 0; |
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| 261 | unsigned idleRate = 0; |
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| 262 | BAVC_Timebase outputTimebase = (unsigned) -1; |
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| 263 | bool gotTimebase = false; |
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| 264 | BAPE_Mixer *pMixer; |
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| 265 | BERR_Code errCode; |
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| 266 | |
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| 267 | BDBG_OBJECT_ASSERT(handle, BAPE_Device); |
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| 268 | BDBG_ASSERT(nco < BAPE_CHIP_MAX_NCOS); |
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| 269 | |
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| 270 | /* Walk through each mixer and make sure we have no conflicts */ |
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| 271 | for ( pMixer = BLST_S_FIRST(&handle->audioNcos[nco].mixerList); |
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| 272 | pMixer != NULL; |
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| 273 | pMixer = BLST_S_NEXT(pMixer, ncoNode) ) |
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| 274 | { |
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| 275 | unsigned mixerRate; |
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| 276 | |
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| 277 | if ( pMixer->sampleRate == 0 ) |
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| 278 | { |
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| 279 | continue; |
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| 280 | } |
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| 281 | |
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| 282 | if ( ! gotTimebase ) |
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| 283 | { |
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| 284 | outputTimebase = pMixer->settings.outputTimebase; |
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| 285 | gotTimebase = true; |
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| 286 | } |
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| 287 | else if (pMixer->settings.outputTimebase != outputTimebase ) |
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| 288 | { |
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| 289 | BDBG_WRN(("Timebase conflict on NCO %d. One mixer requests timebase %u another requests timebase %u", nco, outputTimebase, pMixer->settings.outputTimebase)); |
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| 290 | } |
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| 291 | |
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| 292 | mixerRate = pMixer->sampleRate; |
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| 293 | |
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| 294 | if ( pMixer->running ) |
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| 295 | { |
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| 296 | if ( baseRate == 0 ) |
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| 297 | { |
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| 298 | baseRate = mixerRate; |
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| 299 | } |
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| 300 | else if ( baseRate != mixerRate ) |
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| 301 | { |
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| 302 | BDBG_WRN(("Sample rate conflict on NCO %d. One mixer requests %u another requests %u", nco, baseRate, mixerRate)); |
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| 303 | } |
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| 304 | } |
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| 305 | else if ( idleRate == 0 ) |
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| 306 | { |
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| 307 | idleRate = mixerRate; |
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| 308 | } |
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| 309 | } |
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| 310 | |
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| 311 | if ( baseRate == 0 ) |
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| 312 | { |
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| 313 | baseRate = idleRate; |
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| 314 | } |
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| 315 | |
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| 316 | if ( baseRate != 0 ) |
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| 317 | { |
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| 318 | uint32_t oversample; |
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| 319 | |
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| 320 | BDBG_MSG(("Updating NCO %u for base sample rate of %u Hz", nco, baseRate)); |
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| 321 | errCode = BAPE_P_SetNcoFreq_isr( handle, nco, baseRate, &oversample, outputTimebase ); |
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| 322 | if ( errCode ) |
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| 323 | { |
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| 324 | BDBG_ERR(("Failed to set NCO %u for sample rate of %u Hz", nco, baseRate)); |
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| 325 | return BERR_TRACE(errCode); |
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| 326 | } |
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| 327 | |
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| 328 | /* For each output, set it's mclk appropriately */ |
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| 329 | for ( pMixer = BLST_S_FIRST(&handle->audioNcos[nco].mixerList); |
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| 330 | pMixer != NULL; |
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| 331 | pMixer = BLST_S_NEXT(pMixer, ncoNode) ) |
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| 332 | { |
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| 333 | BAPE_OutputPort output; |
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| 334 | BAPE_MclkSource mclkSource; |
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| 335 | |
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| 336 | BDBG_ASSERT( BAPE_MCLKSOURCE_IS_NCO(pMixer->mclkSource)); |
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| 337 | |
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| 338 | if ( pMixer->sampleRate == 0 ) |
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| 339 | { |
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| 340 | /* Skip this mixer if it doesn't have a sample rate yet */ |
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| 341 | continue; |
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| 342 | } |
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| 343 | |
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| 344 | switch ( nco ) |
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| 345 | { |
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| 346 | default: |
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| 347 | case BAPE_Nco_e0: |
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| 348 | mclkSource = BAPE_MclkSource_eNco0; |
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| 349 | break; |
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| 350 | case BAPE_Nco_e1: |
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| 351 | mclkSource = BAPE_MclkSource_eNco1; |
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| 352 | break; |
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| 353 | case BAPE_Nco_e2: |
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| 354 | mclkSource = BAPE_MclkSource_eNco2; |
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| 355 | break; |
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| 356 | } |
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| 357 | BDBG_ASSERT( mclkSource == pMixer->mclkSource); |
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| 358 | |
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| 359 | for ( output = BLST_S_FIRST(&pMixer->outputList); |
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| 360 | output != NULL; |
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| 361 | output = BLST_S_NEXT(output, node) ) |
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| 362 | { |
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| 363 | if ( output->setMclk_isr ) |
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| 364 | { |
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| 365 | BDBG_MSG(("Setting output mclk for '%s' to source:%s ratio:%u", |
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| 366 | output->pName, BAPE_Mixer_P_MclkSourceToText(mclkSource), oversample)); |
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| 367 | output->setMclk_isr(output, mclkSource, 0, oversample); |
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| 368 | } |
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| 369 | } |
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| 370 | if ( pMixer->fs != BAPE_FS_INVALID ) |
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| 371 | { |
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| 372 | BDBG_MSG(("Setting FS mclk for FS %u to source:%s ratio:%u", |
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| 373 | pMixer->fs, BAPE_Mixer_P_MclkSourceToText(mclkSource), oversample)); |
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| 374 | BAPE_P_SetFsTiming_isr(handle, pMixer->fs, mclkSource, 0, oversample); |
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| 375 | } |
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| 376 | } |
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| 377 | } |
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| 378 | else |
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| 379 | { |
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| 380 | BDBG_MSG(("Not updating NCO %u rate (unknown)", nco)); |
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| 381 | } |
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| 382 | |
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| 383 | return BERR_SUCCESS; |
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| 384 | } |
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| 385 | |
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| 386 | |
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| 387 | BERR_Code BAPE_Nco_P_ResumeFromStandby(BAPE_Handle bapeHandle) |
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| 388 | { |
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| 389 | BERR_Code errCode = BERR_SUCCESS; |
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| 390 | unsigned ncoIndex; |
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| 391 | |
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| 392 | BDBG_OBJECT_ASSERT(bapeHandle, BAPE_Device); |
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| 393 | |
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| 394 | /* For each nco, call the functions necessary to restore the hardware to it's appropriate state. */ |
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| 395 | for ( ncoIndex=0 ; ncoIndex<BAPE_CHIP_MAX_NCOS ; ncoIndex++ ) |
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| 396 | { |
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| 397 | BAPE_AudioNco *pNco = &bapeHandle->audioNcos[ncoIndex]; |
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| 398 | |
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| 399 | /* Now apply changes for the settings struct. */ |
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| 400 | /* Nothing to do here. NCOs don't have a SetSettings function to call. */ |
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| 401 | |
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| 402 | /* Now restore the dynamic stuff from the values saved in the device struct. */ |
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| 403 | if (pNco->baseSampleRate != 0) |
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| 404 | { |
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| 405 | BKNI_EnterCriticalSection(); |
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| 406 | errCode = BAPE_P_SetNcoFreq_isr( bapeHandle, ncoIndex, pNco->baseSampleRate, NULL, pNco->timebase ); |
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| 407 | BKNI_LeaveCriticalSection(); |
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| 408 | if ( errCode ) return BERR_TRACE(errCode); |
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| 409 | } |
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| 410 | } |
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| 411 | return errCode; |
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| 412 | } |
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| 413 | |
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| 414 | |
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| 415 | /*************************************************************************** |
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| 416 | Define stub functions for when there are no NCOs. |
|---|
| 417 | ***************************************************************************/ |
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| 418 | #else /* BAPE_CHIP_MAX_NCOS > 0 */ |
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| 419 | /* No NCOs, just use stubbed out functions. */ |
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| 420 | |
|---|
| 421 | /**************************************************************************/ |
|---|
| 422 | |
|---|
| 423 | BERR_Code BAPE_Nco_P_ResumeFromStandby(BAPE_Handle bapeHandle) |
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| 424 | { |
|---|
| 425 | BSTD_UNUSED(bapeHandle); |
|---|
| 426 | return BERR_SUCCESS; |
|---|
| 427 | } |
|---|
| 428 | |
|---|
| 429 | #endif /* BAPE_CHIP_MAX_NCOS > 0 */ |
|---|
| 430 | |
|---|
| 431 | |
|---|
| 432 | |
|---|