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annotate src/cs/drivers/drv_core/dma/dma.h @ 11:b493d3857f4e

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helpers: initial import from Magnetite (pruned)
author Mychaela Falconia <falcon@freecalypso.org>
date Sun, 15 Jul 2018 21:24:44 +0000
parents b6a5e36de839
children
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1 /******************************************************************************
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2 TEXAS INSTRUMENTS INCORPORATED PROPRIETARY INFORMATION
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3
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4 Property of Texas Instruments -- For Unrestricted Internal Use Only
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5 Unauthorized reproduction and/or distribution is strictly prohibited. This
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6 product is protected under copyright law and trade secret law as an
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7 unpublished work. Created 1987, (C) Copyright 1997 Texas Instruments. All
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8 rights reserved.
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9
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10
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11 Filename : dma.h
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12
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13 Description : DMA
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14
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15 Project : drivers
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16
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17 Author : pmonteil@tif.ti.com Patrice Monteil.
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18
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19 Version number : 1.12
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20
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21 Date : 05/23/03
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22
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23 Previous delta : 12/08/00 11:22:15
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24
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25 SCCS file : /db/gsm_asp/db_ht96/dsp_0/gsw/rel_0/mcu_l1/release_gprs/RELEASE_GPRS/drivers1/common/SCCS/s.dma.h
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26
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27 Sccs Id (SID) : '@(#) dma.h 1.6 01/30/01 10:22:23 '
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28
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29
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30 *****************************************************************************/
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31
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32 #include "chipset.cfg"
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33
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34 /**** DMA configuration register ****/
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35
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36 #if (CHIPSET != 12)
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37
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38 // CONTROLLER_CONFIG register
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39 //---------------------------
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40 #if ((CHIPSET == 4) || (CHIPSET == 7) || (CHIPSET == 8) || (CHIPSET == 10) || (CHIPSET == 11))
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41 #define DMA_CONFIG_ADDR MEM_DMA_ADDR
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42 #else
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43 #define DMA_CONFIG_ADDR (MEM_DMA_ADDR + 0x20)
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44 #endif
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45 #define DMA_CONFIG_BURST 0x1c /* length of burst */
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46
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47 // ALLOC_CONFIG register
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48 //---------------------------
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49 #if ((CHIPSET == 4) || (CHIPSET == 7) || (CHIPSET == 8) || (CHIPSET == 10) || (CHIPSET == 11))
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50 #define DMA_ALLOC_CONFIG_ADDR (MEM_DMA_ADDR + 0x02)
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51 #endif
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52 #define DMA_CONFIG_ALLOC1 0x01 /* allocation for channel 1 */
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53 #define DMA_CONFIG_ALLOC2 0x02 /* allocation for channel 2 */
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54
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55 // DMA Channel 1 configuration
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56 //---------------------------
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57
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58 // DMA1_RAD register
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59 //---------------------------
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60 #if ((CHIPSET == 4) || (CHIPSET == 7) || (CHIPSET == 8) || (CHIPSET == 10) || (CHIPSET == 11))
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61 #define DMA1_RAD_ADDR (MEM_DMA_ADDR + 0x10)
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62 #else
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63 #define DMA1_RAD_ADDR MEM_DMA_ADDR
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64 #endif
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65 #define DMA_RHEA_ADDR 0x07ff /* rhea start address */
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66 #define DMA_RHEA_CS 0xf800 /* rhea chip select */
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67
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68 // DMA1_RDPTH register
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69 //---------------------------
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70 #if ((CHIPSET == 4) || (CHIPSET == 7) || (CHIPSET == 8) || (CHIPSET == 10) || (CHIPSET == 11))
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71 #define DMA1_RDPTH_ADDR (MEM_DMA_ADDR + 0x12)
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72 #else
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73 #define DMA1_RDPTH_ADDR (MEM_DMA_ADDR + 0x02)
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74 #endif
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75 #define DMA_RHEA_LENGTH 0x07ff /* rhea buffer length */
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76
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77 // DMA1_AAD register
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78 //---------------------------
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79 #if ((CHIPSET == 4) || (CHIPSET == 7) || (CHIPSET == 8) || (CHIPSET == 10) || (CHIPSET == 11))
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80 #define DMA1_AAD_ADDR (MEM_DMA_ADDR + 0x14)
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81 #else
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82 #define DMA1_AAD_ADDR (MEM_DMA_ADDR + 0x04)
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83 #endif
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84 #define DMA_API_ADDR 0x0fff /* API start address */
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85
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86 // DMA1_ALGTH register
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87 //---------------------------
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88 #if ((CHIPSET == 4) || (CHIPSET == 7) || (CHIPSET == 8) || (CHIPSET == 10) || (CHIPSET == 11))
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89 #define DMA1_ALGTH_ADDR (MEM_DMA_ADDR + 0x16)
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90 #else
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91 #define DMA1_ALGTH_ADDR (MEM_DMA_ADDR + 0x06)
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92 #endif
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93 #define DMA_API_LENGTH 0x0fff /* API page length */
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94
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95 // DMA1_CTRL register
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96 //---------------------------
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97 #if ((CHIPSET == 4) || (CHIPSET == 7) || (CHIPSET == 8) || (CHIPSET == 10) || (CHIPSET == 11))
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98 #define DMA1_CTRL_ADDR (MEM_DMA_ADDR + 0x18)
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99 #else
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100 #define DMA1_CTRL_ADDR (MEM_DMA_ADDR + 0x08)
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101 #endif
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102 #define DMA_CTRL_ENABLE 0x0001 /* DMA enable */
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103 #define DMA_CTRL_IDLE 0x0002 /* idle */
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104 #define DMA_CTRL_ONE_SHOT 0x0004
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105 #define DMA_CTRL_FIFO_MODE 0x0008
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106 #define DMA_CTRL_CUR_PAGE 0x0010 /* current page # */
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107 #define DMA_CTRL_MAS 0x0020
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108 #define DMA_CTRL_START 0x0040 /* DMA start */
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109 #define DMA_CTRL_IRQ_MODE 0x0080
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110 #define DMA_CTRL_IRQ_STATE 0x0100
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111 #define DMA_CTRL_RHEA_ABORT 0x0200
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112 #if ((CHIPSET == 4) || (CHIPSET == 7) || (CHIPSET == 8) || (CHIPSET == 10) || (CHIPSET == 11))
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113 #define DMA_CTRL_PRIORITY 0x1800 /* Number of additional reading on the bus */
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114 #endif
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115
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116 // DMA1_CUR_OFFSET_API register
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117 //---------------------------
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118 #if ((CHIPSET == 4) || (CHIPSET == 7) || (CHIPSET == 8) || (CHIPSET == 10) || (CHIPSET == 11))
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119 #define DMA1_OFFSET_ADDR (MEM_DMA_ADDR + 0x1A)
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120 #else
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121 #define DMA1_OFFSET_ADDR (MEM_DMA_ADDR + 0x0A)
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122 #endif
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123
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124
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125 // DMA Channel 2 configuration
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126 //---------------------------
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127
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128 #if ((CHIPSET == 4) || (CHIPSET == 7) || (CHIPSET == 8) || (CHIPSET == 10) || (CHIPSET == 11))
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129 #define DMA2_RAD_ADDR (MEM_DMA_ADDR + 0x20)
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130 #define DMA2_RDPTH_ADDR (MEM_DMA_ADDR + 0x22)
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131 #define DMA2_AAD_ADDR (MEM_DMA_ADDR + 0x24)
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132 #define DMA2_ALGTH_ADDR (MEM_DMA_ADDR + 0x26)
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133 #define DMA2_CTRL_ADDR (MEM_DMA_ADDR + 0x28)
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134 #define DMA2_OFFSET_ADDR (MEM_DMA_ADDR + 0x2A)
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135 #else
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136 #define DMA2_RAD_ADDR (MEM_DMA_ADDR + 0x10)
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137 #define DMA2_RDPTH_ADDR (MEM_DMA_ADDR + 0x12)
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138 #define DMA2_AAD_ADDR (MEM_DMA_ADDR + 0x14)
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139 #define DMA2_ALGTH_ADDR (MEM_DMA_ADDR + 0x16)
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140 #define DMA2_CTRL_ADDR (MEM_DMA_ADDR + 0x18)
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141 #define DMA2_OFFSET_ADDR (MEM_DMA_ADDR + 0x1A)
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142 #endif
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143
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144 #if ((CHIPSET == 4) || (CHIPSET == 7) || (CHIPSET == 8) || (CHIPSET == 10) || (CHIPSET == 11))
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145 // DMA Channel 3 configuration
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146 //---------------------------
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147
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148 #define DMA3_RAD_ADDR (MEM_DMA_ADDR + 0x30)
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149 #define DMA3_RDPTH_ADDR (MEM_DMA_ADDR + 0x32)
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150 #define DMA3_AAD_ADDR (MEM_DMA_ADDR + 0x34)
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151 #define DMA3_ALGTH_ADDR (MEM_DMA_ADDR + 0x36)
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152 #define DMA3_CTRL_ADDR (MEM_DMA_ADDR + 0x38)
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153 #define DMA3_OFFSET_ADDR (MEM_DMA_ADDR + 0x3A)
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154
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155 // DMA Channel 4 configuration
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156 //---------------------------
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157
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158 #define DMA4_RAD_ADDR (MEM_DMA_ADDR + 0x40)
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159 #define DMA4_RDPTH_ADDR (MEM_DMA_ADDR + 0x42)
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160 #define DMA4_AAD_ADDR (MEM_DMA_ADDR + 0x44)
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161 #define DMA4_ALGTH_ADDR (MEM_DMA_ADDR + 0x46)
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162 #define DMA4_CTRL_ADDR (MEM_DMA_ADDR + 0x48)
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163 #define DMA4_OFFSET_ADDR (MEM_DMA_ADDR + 0x4A)
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164 #endif
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165
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166 /*--------------------------------------------------------------
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167 * DMA_ALLOCDMA()
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168 *--------------------------------------------------------------
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169 * Parameters : none
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170 * Return : none
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171 * Functionality : alloc DMA channel
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172 *--------------------------------------------------------------*/
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173
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174 #if ((CHIPSET == 4) || (CHIPSET == 7) || (CHIPSET == 8) || (CHIPSET == 10) || (CHIPSET == 11))
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175 // WARNING :
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176 // Only the first two channels can be configured and the last two channels are forced to be controlled by the ARM
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177 #define DMA_ALLOCDMA(channel0, channel1, dma_burst,priority) { \
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178 * (volatile unsigned short *) DMA_CONFIG_ADDR = (dma_burst << 2) | (priority << 5); \
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179 * (volatile unsigned short *) DMA_ALLOC_CONFIG_ADDR = channel0 | (channel1 << 1) | 0x000C; \
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180 }
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181 #else
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182 #define DMA_ALLOCDMA(channel0, channel1,dma_burst,priority) (* (volatile unsigned short *) DMA_CONFIG_ADDR = channel0 | channel1 << 1 | dma_burst << 2 | priority << 5)
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183 #endif
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184
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185 #endif /* (CHIPSET != 12)*/
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186