annotate src/cs/drivers/drv_core/dma/sys_dma.c @ 46:559a8b3ef10b

FFS code: first attempt at non-invasive gcc support
author Mychaela Falconia <falcon@freecalypso.org>
date Thu, 19 Jul 2018 00:35:33 +0000
parents b6a5e36de839
children
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1 /* @(#) nom : sys_dma.c SID: 1.2 date : 05/23/03 */
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2 /* Filename: sys_dma.c */
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3 /* Version: 1.2 */
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4 /******************************************************************************
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5 * WIRELESS COMMUNICATION SYSTEM DEVELOPMENT
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6 *
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7 * (C) 2002 Texas Instruments France. All rights reserved
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8 *
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9 * Author : Guillaume Leterrier
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10 * Francois Amand
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11 *
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12 *
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13 * Important Note
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14 * --------------
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15 *
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16 * This S/W is a preliminary version. It contains information on a product
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17 * under development and is issued for evaluation purposes only. Features
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18 * characteristics, data and other information are subject to change.
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19 *
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20 * The S/W is furnished under Non Disclosure Agreement and may be used or
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21 * copied only in accordance with the terms of the agreement. It is an offence
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22 * to copy the software in any way except as specifically set out in the
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23 * agreement. No part of this document may be reproduced or transmitted in any
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24 * form or by any means, electronic or mechanical, including photocopying and
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25 * recording, for any purpose without the express written permission of Texas
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26 * Instruments Inc.
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27 *
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28 ******************************************************************************
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29 *
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30 * FILE NAME: sys_dma.c
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31 *
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32 *
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33 * PURPOSE: DMA drivers for CALYPSO PLUS.
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34 * The drivers allows DMA module configuration and control.
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35 *
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36 *
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37 * FILE REFERENCES:
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38 *
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39 * Name IO Description
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40 * ------------- -- ---------------------------------------------
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41 *
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42 *
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43 *
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44 * EXTERNAL VARIABLES:
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45 *
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46 * Source:
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47 *
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48 * Name Type IO Description
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49 * ------------- --------------- -- ------------------------------
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50 *
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51 *
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52 *
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53 * EXTERNAL REFERENCES:
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54 *
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55 * Name Description
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56 * ------------------ -------------------------------------------------------
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57 *
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58 *
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59 *
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60 * ABNORMAL TERMINATION CONDITIONS, ERROR AND WARNING MESSAGES:
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61 *
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62 *
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63 *
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64 * ASSUMPTION, CONSTRAINTS, RESTRICTIONS:
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65 *
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66 *
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67 *
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68 * NOTES:
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69 *
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70 *
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71 *
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72 * REQUIREMENTS/FUNCTIONAL SPECIFICATION REFERENCES:
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73 *
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74 *
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75 *
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76 *
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77 * DEVELOPMENT HISTORY:
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78 *
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79 * Date Name(s) Version Description
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80 * ----------- -------------- ------- -------------------------------------
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81 * 23-Oct-2002 G.Leterrier 0.0.1 First implementation
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82 * 6-Feb-2003 G.Leterrier 0.0.2 Reset HW request to 0, before new setup in function "f_dma_channel_parameter_set"
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83 * 20-Feb-2003 G.Leterrier 0.0.3 f_dma_global_parameter_set correction on API priority bit
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84 * disable and clear status register channel before re-configuration
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85 * ALGORITHM:
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86 *
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87 *
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88 *****************************************************************************/
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89
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90 #include "chipset.cfg"
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91
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92 #if (CHIPSET == 12)
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93
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94 #include "sys_dma.h"
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95
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96
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97 /***************************************************************************/
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98 /* global variable
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99 *****************************************************************************/
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100
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101 extern T_DMA_CALL_BACK pf_dma_call_back_address[C_DMA_NUMBER_OF_CHANNEL];
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102
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103 /******************************************************************************
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104 *
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105 * FUNCTION NAME: f_dma_get_version_driver
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106 * This functionis used to get to DMA driver software version.
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107 *
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108 * ARGUMENT LIST:
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109 *
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110 * Argument Type IO Description
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111 * ---------- ---------- -- -------------------------------------------
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112 * none
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113 *
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114 *
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115 * RETURN VALUE: SYS_UWORD16
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116 *
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117 *****************************************************************************/
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118 SYS_UWORD16 f_dma_get_version_driver(void)
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119 {
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120 return(C_DMA_VERSION_DRIVER);
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121 } /*f_dma_get_version_driver()*/
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122
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123 /******************************************************************************
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124 *
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125 * FUNCTION NAME:f_dma_global_parameter_set
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126 * The function is used to setup the DMA global configuration.
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127 *
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128 *
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129 * ARGUMENT LIST:
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130 *
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131 * Argument Type IO Description
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132 * ---------- ---------- -- -------------------------------------------
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133 * p_dma_global_parameter T_DMA_TYPE_GLOBAL_PARAMETER* I Pointer on data structure containing all global parameter of DMA configuration
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134 *
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135 *
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136 *
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137 * RETURN VALUE: None
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138 *
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139 *****************************************************************************/
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
140 void f_dma_global_parameter_set(T_DMA_TYPE_GLOBAL_PARAMETER *p_dma_global_parameter)
b6a5e36de839 src/cs: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
141 {
b6a5e36de839 src/cs: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
142 if (p_dma_global_parameter->d_dma_global_auto_gate==C_DMA_AUTO_GATE_ON)
b6a5e36de839 src/cs: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
143 {
b6a5e36de839 src/cs: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
144 C_DMA_GCR_REG |= (C_DMA_AUTO_GATE_ON << C_DMA_GCR_AUTO_GATE_POS );
b6a5e36de839 src/cs: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
145 }
b6a5e36de839 src/cs: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
146
b6a5e36de839 src/cs: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
147 else
b6a5e36de839 src/cs: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
148 {
b6a5e36de839 src/cs: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
149 C_DMA_GCR_REG &= ~( C_DMA_GCR_AUTO_GATE_MASK << C_DMA_GCR_AUTO_GATE_POS );
b6a5e36de839 src/cs: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
150 }
b6a5e36de839 src/cs: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
151
b6a5e36de839 src/cs: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
152 C_DMA_AR_REG = (
b6a5e36de839 src/cs: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
153 (p_dma_global_parameter->d_dma_global_api_prio << C_DMA_AR_API_PRIO_POS)
b6a5e36de839 src/cs: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
154 | (p_dma_global_parameter->d_dma_global_rhea_prio << C_DMA_AR_RHEA_PRIO_POS)
b6a5e36de839 src/cs: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
155 | (p_dma_global_parameter->d_dma_global_imif_prio << C_DMA_AR_IMIF_PRIO_POS)
b6a5e36de839 src/cs: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
156 );
b6a5e36de839 src/cs: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
157 } /*f_dma_global_parameter_set() */
b6a5e36de839 src/cs: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
158
b6a5e36de839 src/cs: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
159 /******************************************************************************
b6a5e36de839 src/cs: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
160 *
b6a5e36de839 src/cs: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
161 * FUNCTION NAME: f_dma_channel_allocation_set
b6a5e36de839 src/cs: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
162 * This function defines the allocation of a channel.
b6a5e36de839 src/cs: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
163 * This function is used to set which channel can be configured through the ARM and which one can be configured through the DSP.
b6a5e36de839 src/cs: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
164 *
b6a5e36de839 src/cs: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
165 *
b6a5e36de839 src/cs: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
166 *
b6a5e36de839 src/cs: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
167 * ARGUMENT LIST:
b6a5e36de839 src/cs: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
168 *
b6a5e36de839 src/cs: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
169 * Argument Type IO Description
b6a5e36de839 src/cs: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
170 * ---------- ---------- -- -------------------------------------------
b6a5e36de839 src/cs: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
171 * d_dma_channel_number T_DMA_TYPE_CHANNEL_NUMBER I Variable providing the channel number
b6a5e36de839 src/cs: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
172 * d_dma_channel_allocation T_DMA_TYPE_CHANNEL_ALLOCATION I Variable defining if the channel allocated to the ARM or the DSP.
b6a5e36de839 src/cs: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
173 *
b6a5e36de839 src/cs: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
174 *
b6a5e36de839 src/cs: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
175 *
b6a5e36de839 src/cs: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
176 * RETURN VALUE: None
b6a5e36de839 src/cs: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
177 *
b6a5e36de839 src/cs: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
178 *****************************************************************************/
b6a5e36de839 src/cs: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
179 void f_dma_channel_allocation_set(T_DMA_TYPE_CHANNEL_NUMBER d_dma_channel_number, T_DMA_TYPE_CHANNEL_ALLOCATION d_dma_channel_allocation)
b6a5e36de839 src/cs: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
180 {
b6a5e36de839 src/cs: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
181 if (d_dma_channel_allocation==C_DMA_CHANNEL_DSP)
b6a5e36de839 src/cs: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
182 {
b6a5e36de839 src/cs: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
183 C_DMA_CAR_REG |= (C_DMA_CHANNEL_DSP << d_dma_channel_number);
b6a5e36de839 src/cs: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
184 }
b6a5e36de839 src/cs: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
185
b6a5e36de839 src/cs: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
186 else
b6a5e36de839 src/cs: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
187 {
b6a5e36de839 src/cs: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
188 C_DMA_CAR_REG &= ~( C_DMA_CHANNEL_DSP << d_dma_channel_number );
b6a5e36de839 src/cs: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
189 }
b6a5e36de839 src/cs: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
190
b6a5e36de839 src/cs: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
191
b6a5e36de839 src/cs: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
192 } /*f_dma_channel_allocation_set */
b6a5e36de839 src/cs: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
193
b6a5e36de839 src/cs: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
194 /******************************************************************************
b6a5e36de839 src/cs: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
195 *
b6a5e36de839 src/cs: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
196 * FUNCTION NAME: f_dma_channel_parameter_set
b6a5e36de839 src/cs: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
197 * The function is used to setup a DMA channel configuration.
b6a5e36de839 src/cs: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
198 *
b6a5e36de839 src/cs: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
199 *
b6a5e36de839 src/cs: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
200 * ARGUMENT LIST:
b6a5e36de839 src/cs: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
201 *
b6a5e36de839 src/cs: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
202 * Argument Type IO Description
b6a5e36de839 src/cs: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
203 * ---------- ---------- -- -------------------------------------------
b6a5e36de839 src/cs: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
204 * p_dma_channel_parameter T_DMA_TYPE_CHANNEL_PARAMETER * I Pointer on data structure containing all the parameter to setup a channel
b6a5e36de839 src/cs: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
205 *
b6a5e36de839 src/cs: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
206 *
b6a5e36de839 src/cs: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
207 *
b6a5e36de839 src/cs: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
208 * RETURN VALUE: None
b6a5e36de839 src/cs: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
209 *
b6a5e36de839 src/cs: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
210 *****************************************************************************/
b6a5e36de839 src/cs: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
211 void f_dma_channel_parameter_set(T_DMA_TYPE_CHANNEL_PARAMETER *p_dma_channel_parameter)
b6a5e36de839 src/cs: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
212 {
b6a5e36de839 src/cs: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
213 SYS_UWORD16 d_temp_register;
b6a5e36de839 src/cs: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
214
b6a5e36de839 src/cs: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
215 F_DMA_CHANNEL_DISABLE(p_dma_channel_parameter->d_dma_channel_number);
b6a5e36de839 src/cs: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
216
b6a5e36de839 src/cs: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
217 d_temp_register=F_DMA_GET_CHANNEL_IT_STATUS(p_dma_channel_parameter->d_dma_channel_number);
b6a5e36de839 src/cs: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
218
b6a5e36de839 src/cs: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
219 pf_dma_call_back_address[p_dma_channel_parameter->d_dma_channel_number]=p_dma_channel_parameter->pf_dma_call_back_address;
b6a5e36de839 src/cs: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
220
b6a5e36de839 src/cs: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
221
b6a5e36de839 src/cs: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
222
b6a5e36de839 src/cs: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
223 if (p_dma_channel_parameter->d_dma_channel_secured==C_DMA_CHANNEL_SECURED)
b6a5e36de839 src/cs: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
224 {
b6a5e36de839 src/cs: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
225 C_DMA_SCR_REG |= (C_DMA_CHANNEL_SECURED << p_dma_channel_parameter->d_dma_channel_number);
b6a5e36de839 src/cs: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
226 }
b6a5e36de839 src/cs: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
227
b6a5e36de839 src/cs: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
228 else
b6a5e36de839 src/cs: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
229 {
b6a5e36de839 src/cs: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
230 C_DMA_SCR_REG &= ~( C_DMA_CHANNEL_SECURED << p_dma_channel_parameter->d_dma_channel_number );
b6a5e36de839 src/cs: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
231 }
b6a5e36de839 src/cs: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
232
b6a5e36de839 src/cs: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
233 C_DMA_CSDP_REG(p_dma_channel_parameter->d_dma_channel_number) = (
b6a5e36de839 src/cs: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
234
b6a5e36de839 src/cs: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
235 (p_dma_channel_parameter->d_dma_channel_data_type << C_DMA_CSDP_DATA_TYPE_POS )
b6a5e36de839 src/cs: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
236 | (p_dma_channel_parameter->d_dma_channel_src_port << C_DMA_CSDP_SRC_POS )
b6a5e36de839 src/cs: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
237 | (p_dma_channel_parameter->d_dma_src_channel_packed << C_DMA_CSDP_SRC_PACK_POS )
b6a5e36de839 src/cs: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
238 | (p_dma_channel_parameter->d_dma_src_channel_burst_en << C_DMA_CSDP_SRC_BURST_EN_POS )
b6a5e36de839 src/cs: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
239 | (p_dma_channel_parameter->d_dma_channel_dst_port << C_DMA_CSDP_DST_POS )
b6a5e36de839 src/cs: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
240 | (p_dma_channel_parameter->d_dma_dst_channel_packed << C_DMA_CSDP_DST_PACK_POS )
b6a5e36de839 src/cs: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
241 | (p_dma_channel_parameter->d_dma_dst_channel_burst_en << C_DMA_CSDP_DST_BURST_EN_POS )
b6a5e36de839 src/cs: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
242 );
b6a5e36de839 src/cs: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
243
b6a5e36de839 src/cs: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
244 C_DMA_CCR_REG(p_dma_channel_parameter->d_dma_channel_number) &= ~C_DMA_CCR_SYNC_MASK;
b6a5e36de839 src/cs: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
245
b6a5e36de839 src/cs: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
246
b6a5e36de839 src/cs: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
247
b6a5e36de839 src/cs: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
248 C_DMA_CCR_REG(p_dma_channel_parameter->d_dma_channel_number) = (
b6a5e36de839 src/cs: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
249
b6a5e36de839 src/cs: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
250 (p_dma_channel_parameter->d_dma_channel_hw_synch << C_DMA_CCR_SYNC_POS )
b6a5e36de839 src/cs: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
251 | (p_dma_channel_parameter->d_dma_channel_priority << C_DMA_CCR_PRIO_POS )
b6a5e36de839 src/cs: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
252 | (p_dma_channel_parameter->d_dma_channel_auto_init << C_DMA_CCR_AUTO_INIT_POS )
b6a5e36de839 src/cs: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
253 | (p_dma_channel_parameter->d_dma_channel_fifo_flush << C_DMA_CCR_FIFO_FLUSH_POS )
b6a5e36de839 src/cs: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
254 | (p_dma_channel_parameter->d_dma_src_channel_addr_mode << C_DMA_CCR_SRC_AMODE_POS )
b6a5e36de839 src/cs: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
255 | (p_dma_channel_parameter->d_dma_dst_channel_addr_mode << C_DMA_CCR_DST_AMODE_POS )
b6a5e36de839 src/cs: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
256 );
b6a5e36de839 src/cs: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
257
b6a5e36de839 src/cs: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
258 C_DMA_CICR_REG(p_dma_channel_parameter->d_dma_channel_number) = (
b6a5e36de839 src/cs: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
259
b6a5e36de839 src/cs: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
260 (p_dma_channel_parameter->d_dma_channel_it_time_out << C_DMA_CICR_TOUT_IE_POS )
b6a5e36de839 src/cs: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
261 | (p_dma_channel_parameter->d_dma_channel_it_drop << C_DMA_CICR_DROP_IE_POS )
b6a5e36de839 src/cs: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
262 | (p_dma_channel_parameter->d_dma_channel_it_frame <<C_DMA_CICR_FRAME_IE_POS )
b6a5e36de839 src/cs: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
263 | (p_dma_channel_parameter->d_dma_channel_it_block << C_DMA_CICR_BLOCK_IE_POS )
b6a5e36de839 src/cs: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
264 | (p_dma_channel_parameter->d_dma_channel_it_half_block << C_DMA_CICR_HALF_BLOCK_IE_POS )
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
265 );
b6a5e36de839 src/cs: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
266
b6a5e36de839 src/cs: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
267 C_DMA_CSSA_L_REG(p_dma_channel_parameter->d_dma_channel_number)= (p_dma_channel_parameter->d_dma_channel_src_address ); /* is a mask requested ? */
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parents:
diff changeset
268
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parents:
diff changeset
269
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parents:
diff changeset
270 C_DMA_CSSA_U_REG(p_dma_channel_parameter->d_dma_channel_number)= (p_dma_channel_parameter->d_dma_channel_src_address >> 16 ); /* is a mask requested ? */
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parents:
diff changeset
271
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parents:
diff changeset
272
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parents:
diff changeset
273 C_DMA_CDSA_L_REG(p_dma_channel_parameter->d_dma_channel_number)= (p_dma_channel_parameter->d_dma_channel_dst_address); /* is a mask requested ? */
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parents:
diff changeset
274
b6a5e36de839 src/cs: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
275
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
276 C_DMA_CDSA_U_REG(p_dma_channel_parameter->d_dma_channel_number)= (p_dma_channel_parameter->d_dma_channel_dst_address >> 16 ); /* is a mask requested ? */
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parents:
diff changeset
277
b6a5e36de839 src/cs: initial import from Magnetite
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parents:
diff changeset
278 C_DMA_CEN_REG(p_dma_channel_parameter->d_dma_channel_number) = (p_dma_channel_parameter->d_dma_channel_element_number );
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parents:
diff changeset
279
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
280 C_DMA_CFN_REG(p_dma_channel_parameter->d_dma_channel_number) = (p_dma_channel_parameter->d_dma_channel_frame_number );
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parents:
diff changeset
281
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parents:
diff changeset
282
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parents:
diff changeset
283 } /*f_dma_channel_parameter_set() */
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diff changeset
284
b6a5e36de839 src/cs: initial import from Magnetite
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parents:
diff changeset
285 /******************************************************************************
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parents:
diff changeset
286 *
b6a5e36de839 src/cs: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
287 * FUNCTION NAME: f_dma_channel_enable
b6a5e36de839 src/cs: initial import from Magnetite
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parents:
diff changeset
288 * This function is used to enable a DMA transfer of a channel which could be depending on a hardware request.
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parents:
diff changeset
289 * If there is no hardware request, the transfer starts immediately.
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parents:
diff changeset
290 *
b6a5e36de839 src/cs: initial import from Magnetite
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parents:
diff changeset
291 * ARGUMENT LIST:
b6a5e36de839 src/cs: initial import from Magnetite
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parents:
diff changeset
292 *
b6a5e36de839 src/cs: initial import from Magnetite
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parents:
diff changeset
293 * Argument Type IO Description
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parents:
diff changeset
294 * ---------- ---------- -- -------------------------------------------
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diff changeset
295 * d_dma_channel_number T_DMA_TYPE_CHANNEL_NUMBER I Variable to define which channel is enabled.
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parents:
diff changeset
296 *
b6a5e36de839 src/cs: initial import from Magnetite
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parents:
diff changeset
297 *
b6a5e36de839 src/cs: initial import from Magnetite
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parents:
diff changeset
298 *
b6a5e36de839 src/cs: initial import from Magnetite
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parents:
diff changeset
299 * RETURN VALUE: None
b6a5e36de839 src/cs: initial import from Magnetite
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parents:
diff changeset
300 *
b6a5e36de839 src/cs: initial import from Magnetite
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parents:
diff changeset
301 *****************************************************************************/
b6a5e36de839 src/cs: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
302 void f_dma_channel_enable (T_DMA_TYPE_CHANNEL_NUMBER d_dma_channel_number)
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parents:
diff changeset
303 {
b6a5e36de839 src/cs: initial import from Magnetite
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parents:
diff changeset
304 F_DMA_CHANNEL_ENABLE(d_dma_channel_number);
b6a5e36de839 src/cs: initial import from Magnetite
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parents:
diff changeset
305 }/* f_dma_channel_enable() */
b6a5e36de839 src/cs: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
306
b6a5e36de839 src/cs: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
307 /******************************************************************************
b6a5e36de839 src/cs: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
308 *
b6a5e36de839 src/cs: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
309 * FUNCTION NAME: f_dma_channel_disable
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
310 * This function is used to disable a DMA transfer of a channel
b6a5e36de839 src/cs: initial import from Magnetite
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parents:
diff changeset
311 *
b6a5e36de839 src/cs: initial import from Magnetite
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parents:
diff changeset
312 *
b6a5e36de839 src/cs: initial import from Magnetite
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parents:
diff changeset
313 * ARGUMENT LIST:
b6a5e36de839 src/cs: initial import from Magnetite
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parents:
diff changeset
314 *
b6a5e36de839 src/cs: initial import from Magnetite
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parents:
diff changeset
315 * Argument Type IO Description
b6a5e36de839 src/cs: initial import from Magnetite
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parents:
diff changeset
316 * ---------- ---------- -- -------------------------------------------
b6a5e36de839 src/cs: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
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317 * d_dma_channel_number T_DMA_TYPE_CHANNEL_NUMBER I Variable to define which channel is disabled.
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parents:
diff changeset
318 *
b6a5e36de839 src/cs: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
319 *
b6a5e36de839 src/cs: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
320 *
b6a5e36de839 src/cs: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
321 * RETURN VALUE: None
b6a5e36de839 src/cs: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
322 *
b6a5e36de839 src/cs: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
323 *****************************************************************************/
b6a5e36de839 src/cs: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
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diff changeset
324 void f_dma_channel_disable(T_DMA_TYPE_CHANNEL_NUMBER d_dma_channel_number)
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parents:
diff changeset
325 {
b6a5e36de839 src/cs: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
326 F_DMA_CHANNEL_DISABLE(d_dma_channel_number);
b6a5e36de839 src/cs: initial import from Magnetite
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parents:
diff changeset
327 } /*f_dma_channel_disable() */
b6a5e36de839 src/cs: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
328
b6a5e36de839 src/cs: initial import from Magnetite
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parents:
diff changeset
329 /******************************************************************************
b6a5e36de839 src/cs: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
330 *
b6a5e36de839 src/cs: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
331 * FUNCTION NAME: f_dma_channel_auto_init_disable
b6a5e36de839 src/cs: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
332 * This function is disabling the auto-initialization mode of the channel.
b6a5e36de839 src/cs: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
333 * The channel completes the current transfer and stops.
b6a5e36de839 src/cs: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
334 *
b6a5e36de839 src/cs: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
335 * ARGUMENT LIST:
b6a5e36de839 src/cs: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
336 *
b6a5e36de839 src/cs: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
337 * Argument Type IO Description
b6a5e36de839 src/cs: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
338 * ---------- ---------- -- -------------------------------------------
b6a5e36de839 src/cs: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
339 * d_dma_channel_number T_DMA_TYPE_CHANNEL_NUMBER I Variable to define which channel is disabled from auto-init mode.
b6a5e36de839 src/cs: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
340 *
b6a5e36de839 src/cs: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
341 *
b6a5e36de839 src/cs: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
342 * RETURN VALUE: None
b6a5e36de839 src/cs: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
343 *
b6a5e36de839 src/cs: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
344 *****************************************************************************/
b6a5e36de839 src/cs: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
345 void f_dma_channel_auto_init_disable(T_DMA_TYPE_CHANNEL_NUMBER d_dma_channel_number)
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
346 {
b6a5e36de839 src/cs: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
347 F_DMA_CHANNEL_AUTO_INIT_DISABLE(d_dma_channel_number);
b6a5e36de839 src/cs: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
348 } /* f_dma_channel_auto_init_disable */
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
349
b6a5e36de839 src/cs: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
350 /******************************************************************************
b6a5e36de839 src/cs: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
351 *
b6a5e36de839 src/cs: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
352 * FUNCTION NAME: f_dma_get_channel_counter
b6a5e36de839 src/cs: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
353 * This function can be used to monitor address
b6a5e36de839 src/cs: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
354 * where the last data of a frame has been written.
b6a5e36de839 src/cs: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
355 * This function provides only the lowest16 bits of the address.
b6a5e36de839 src/cs: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
356 *
b6a5e36de839 src/cs: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
357 *
b6a5e36de839 src/cs: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
358 * ARGUMENT LIST:
b6a5e36de839 src/cs: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
359 *
b6a5e36de839 src/cs: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
360 * Argument Type IO Description
b6a5e36de839 src/cs: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
361 * ---------- ---------- -- -------------------------------------------
b6a5e36de839 src/cs: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
362 * d_dma_channel_number T_DMA_TYPE_CHANNEL_NUMBER I Variable to define from which channel, we get the counter.
b6a5e36de839 src/cs: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
363 *
b6a5e36de839 src/cs: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
364 * RETURN VALUE: None
b6a5e36de839 src/cs: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
365 *
b6a5e36de839 src/cs: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
366 *****************************************************************************/
b6a5e36de839 src/cs: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
367 SYS_UWORD16 f_dma_get_channel_counter(T_DMA_TYPE_CHANNEL_NUMBER d_dma_channel_number)
b6a5e36de839 src/cs: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
368 {
b6a5e36de839 src/cs: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
369 return(F_DMA_GET_CHANNEL_COUNTER(d_dma_channel_number));
b6a5e36de839 src/cs: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
370 } /*f_dma_get_channel_counter() */
b6a5e36de839 src/cs: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
371
b6a5e36de839 src/cs: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
372 /******************************************************************************
b6a5e36de839 src/cs: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
373 *
b6a5e36de839 src/cs: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
374 * FUNCTION NAME: f_dma_channel_soft_reset
b6a5e36de839 src/cs: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
375 * perform a soft reset of the following parameter of the channel :
b6a5e36de839 src/cs: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
376 * Source address,Destination address,Element number,Frame number,Channel counter
b6a5e36de839 src/cs: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
377 *
b6a5e36de839 src/cs: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
378 *
b6a5e36de839 src/cs: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
379 *
b6a5e36de839 src/cs: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
380 * ARGUMENT LIST:
b6a5e36de839 src/cs: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
381 *
b6a5e36de839 src/cs: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
382 * Argument Type IO Description
b6a5e36de839 src/cs: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
383 * ---------- ---------- -- -------------------------------------------
b6a5e36de839 src/cs: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
384 * d_dma_channel_number T_DMA_TYPE_CHANNEL_NUMBER I Variable to define which channel is soft reset.
b6a5e36de839 src/cs: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
385 *
b6a5e36de839 src/cs: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
386 *
b6a5e36de839 src/cs: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
387 * RETURN VALUE: None
b6a5e36de839 src/cs: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
388 *
b6a5e36de839 src/cs: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
389 *****************************************************************************/
b6a5e36de839 src/cs: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
390 void f_dma_channel_soft_reset(T_DMA_TYPE_CHANNEL_NUMBER d_dma_channel_number)
b6a5e36de839 src/cs: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
391 {
b6a5e36de839 src/cs: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
392 C_DMA_SRR_REG |= ( 0x1 << d_dma_channel_number);
b6a5e36de839 src/cs: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
393
b6a5e36de839 src/cs: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
394 while (C_DMA_SRR_REG & ( 0x1 << d_dma_channel_number)) /* wait for the reset is completed */
b6a5e36de839 src/cs: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
395 {
b6a5e36de839 src/cs: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
396 }
b6a5e36de839 src/cs: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
397
b6a5e36de839 src/cs: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
398 } /*f_dma_channel_soft_reset() */
b6a5e36de839 src/cs: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
399 #endif /* (CHIPSET == 12) */