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Rev | Author | Line No. | Line |
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422 | giacomo | 1 | /*****************************************************************************/ |
2 | |||
3 | /* |
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4 | * sc26198.h -- SC26198 UART hardware info. |
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5 | * |
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6 | * Copyright (C) 1995-1998 Stallion Technologies (support@stallion.oz.au). |
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7 | * |
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8 | * This program is free software; you can redistribute it and/or modify |
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9 | * it under the terms of the GNU General Public License as published by |
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10 | * the Free Software Foundation; either version 2 of the License, or |
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11 | * (at your option) any later version. |
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12 | * |
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13 | * This program is distributed in the hope that it will be useful, |
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14 | * but WITHOUT ANY WARRANTY; without even the implied warranty of |
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15 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
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16 | * GNU General Public License for more details. |
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17 | * |
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18 | * You should have received a copy of the GNU General Public License |
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19 | * along with this program; if not, write to the Free Software |
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20 | * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. |
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21 | */ |
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22 | |||
23 | /*****************************************************************************/ |
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24 | #ifndef _SC26198_H |
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25 | #define _SC26198_H |
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26 | /*****************************************************************************/ |
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27 | |||
28 | /* |
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29 | * Define the number of async ports per sc26198 uart device. |
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30 | */ |
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31 | #define SC26198_PORTS 8 |
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32 | |||
33 | /* |
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34 | * Baud rate timing clocks. All derived from a master 14.7456 MHz clock. |
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35 | */ |
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36 | #define SC26198_MASTERCLOCK 14745600L |
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37 | #define SC26198_DCLK (SC26198_MASTERCLOCK) |
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38 | #define SC26198_CCLK (SC26198_MASTERCLOCK / 2) |
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39 | #define SC26198_BCLK (SC26198_MASTERCLOCK / 4) |
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40 | |||
41 | /* |
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42 | * Define internal FIFO sizes for the 26198 ports. |
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43 | */ |
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44 | #define SC26198_TXFIFOSIZE 16 |
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45 | #define SC26198_RXFIFOSIZE 16 |
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46 | |||
47 | /*****************************************************************************/ |
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48 | |||
49 | /* |
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50 | * Global register definitions. These registers are global to each 26198 |
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51 | * device, not specific ports on it. |
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52 | */ |
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53 | #define TSTR 0x0d |
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54 | #define GCCR 0x0f |
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55 | #define ICR 0x1b |
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56 | #define WDTRCR 0x1d |
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57 | #define IVR 0x1f |
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58 | #define BRGTRUA 0x84 |
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59 | #define GPOSR 0x87 |
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60 | #define GPOC 0x8b |
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61 | #define UCIR 0x8c |
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62 | #define CIR 0x8c |
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63 | #define BRGTRUB 0x8d |
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64 | #define GRXFIFO 0x8e |
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65 | #define GTXFIFO 0x8e |
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66 | #define GCCR2 0x8f |
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67 | #define BRGTRLA 0x94 |
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68 | #define GPOR 0x97 |
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69 | #define GPOD 0x9b |
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70 | #define BRGTCR 0x9c |
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71 | #define GICR 0x9c |
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72 | #define BRGTRLB 0x9d |
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73 | #define GIBCR 0x9d |
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74 | #define GITR 0x9f |
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75 | |||
76 | /* |
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77 | * Per port channel registers. These are the register offsets within |
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78 | * the port address space, so need to have the port address (0 to 7) |
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79 | * inserted in bit positions 4:6. |
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80 | */ |
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81 | #define MR0 0x00 |
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82 | #define MR1 0x01 |
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83 | #define IOPCR 0x02 |
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84 | #define BCRBRK 0x03 |
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85 | #define BCRCOS 0x04 |
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86 | #define BCRX 0x06 |
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87 | #define BCRA 0x07 |
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88 | #define XONCR 0x08 |
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89 | #define XOFFCR 0x09 |
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90 | #define ARCR 0x0a |
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91 | #define RXCSR 0x0c |
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92 | #define TXCSR 0x0e |
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93 | #define MR2 0x80 |
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94 | #define SR 0x81 |
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95 | #define SCCR 0x81 |
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96 | #define ISR 0x82 |
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97 | #define IMR 0x82 |
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98 | #define TXFIFO 0x83 |
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99 | #define RXFIFO 0x83 |
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100 | #define IPR 0x84 |
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101 | #define IOPIOR 0x85 |
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102 | #define XISR 0x86 |
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103 | |||
104 | /* |
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105 | * For any given port calculate the address to use to access a specified |
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106 | * register. This is only used for unusual access, mostly this is done |
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107 | * through the assembler access routines. |
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108 | */ |
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109 | #define SC26198_PORTREG(port,reg) ((((port) & 0x07) << 4) | (reg)) |
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110 | |||
111 | /*****************************************************************************/ |
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112 | |||
113 | /* |
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114 | * Global configuration control register bit definitions. |
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115 | */ |
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116 | #define GCCR_NOACK 0x00 |
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117 | #define GCCR_IVRACK 0x02 |
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118 | #define GCCR_IVRCHANACK 0x04 |
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119 | #define GCCR_IVRTYPCHANACK 0x06 |
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120 | #define GCCR_ASYNCCYCLE 0x00 |
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121 | #define GCCR_SYNCCYCLE 0x40 |
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122 | |||
123 | /*****************************************************************************/ |
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124 | |||
125 | /* |
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126 | * Mode register 0 bit definitions. |
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127 | */ |
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128 | #define MR0_ADDRNONE 0x00 |
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129 | #define MR0_AUTOWAKE 0x01 |
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130 | #define MR0_AUTODOZE 0x02 |
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131 | #define MR0_AUTOWAKEDOZE 0x03 |
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132 | #define MR0_SWFNONE 0x00 |
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133 | #define MR0_SWFTX 0x04 |
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134 | #define MR0_SWFRX 0x08 |
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135 | #define MR0_SWFRXTX 0x0c |
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136 | #define MR0_TXMASK 0x30 |
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137 | #define MR0_TXEMPTY 0x00 |
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138 | #define MR0_TXHIGH 0x10 |
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139 | #define MR0_TXHALF 0x20 |
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140 | #define MR0_TXRDY 0x00 |
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141 | #define MR0_ADDRNT 0x00 |
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142 | #define MR0_ADDRT 0x40 |
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143 | #define MR0_SWFNT 0x00 |
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144 | #define MR0_SWFT 0x80 |
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145 | |||
146 | /* |
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147 | * Mode register 1 bit definitions. |
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148 | */ |
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149 | #define MR1_CS5 0x00 |
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150 | #define MR1_CS6 0x01 |
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151 | #define MR1_CS7 0x02 |
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152 | #define MR1_CS8 0x03 |
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153 | #define MR1_PAREVEN 0x00 |
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154 | #define MR1_PARODD 0x04 |
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155 | #define MR1_PARENB 0x00 |
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156 | #define MR1_PARFORCE 0x08 |
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157 | #define MR1_PARNONE 0x10 |
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158 | #define MR1_PARSPECIAL 0x18 |
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159 | #define MR1_ERRCHAR 0x00 |
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160 | #define MR1_ERRBLOCK 0x20 |
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161 | #define MR1_ISRUNMASKED 0x00 |
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162 | #define MR1_ISRMASKED 0x40 |
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163 | #define MR1_AUTORTS 0x80 |
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164 | |||
165 | /* |
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166 | * Mode register 2 bit definitions. |
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167 | */ |
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168 | #define MR2_STOP1 0x00 |
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169 | #define MR2_STOP15 0x01 |
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170 | #define MR2_STOP2 0x02 |
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171 | #define MR2_STOP916 0x03 |
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172 | #define MR2_RXFIFORDY 0x00 |
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173 | #define MR2_RXFIFOHALF 0x04 |
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174 | #define MR2_RXFIFOHIGH 0x08 |
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175 | #define MR2_RXFIFOFULL 0x0c |
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176 | #define MR2_AUTOCTS 0x10 |
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177 | #define MR2_TXRTS 0x20 |
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178 | #define MR2_MODENORM 0x00 |
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179 | #define MR2_MODEAUTOECHO 0x40 |
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180 | #define MR2_MODELOOP 0x80 |
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181 | #define MR2_MODEREMECHO 0xc0 |
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182 | |||
183 | /*****************************************************************************/ |
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184 | |||
185 | /* |
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186 | * Baud Rate Generator (BRG) selector values. |
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187 | */ |
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188 | #define BRG_50 0x00 |
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189 | #define BRG_75 0x01 |
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190 | #define BRG_150 0x02 |
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191 | #define BRG_200 0x03 |
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192 | #define BRG_300 0x04 |
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193 | #define BRG_450 0x05 |
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194 | #define BRG_600 0x06 |
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195 | #define BRG_900 0x07 |
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196 | #define BRG_1200 0x08 |
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197 | #define BRG_1800 0x09 |
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198 | #define BRG_2400 0x0a |
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199 | #define BRG_3600 0x0b |
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200 | #define BRG_4800 0x0c |
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201 | #define BRG_7200 0x0d |
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202 | #define BRG_9600 0x0e |
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203 | #define BRG_14400 0x0f |
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204 | #define BRG_19200 0x10 |
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205 | #define BRG_28200 0x11 |
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206 | #define BRG_38400 0x12 |
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207 | #define BRG_57600 0x13 |
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208 | #define BRG_115200 0x14 |
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209 | #define BRG_230400 0x15 |
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210 | #define BRG_GIN0 0x16 |
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211 | #define BRG_GIN1 0x17 |
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212 | #define BRG_CT0 0x18 |
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213 | #define BRG_CT1 0x19 |
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214 | #define BRG_RX2TX316 0x1b |
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215 | #define BRG_RX2TX31 0x1c |
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216 | |||
217 | #define SC26198_MAXBAUD 921600 |
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218 | |||
219 | /*****************************************************************************/ |
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220 | |||
221 | /* |
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222 | * Command register command definitions. |
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223 | */ |
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224 | #define CR_NULL 0x04 |
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225 | #define CR_ADDRNORMAL 0x0c |
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226 | #define CR_RXRESET 0x14 |
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227 | #define CR_TXRESET 0x1c |
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228 | #define CR_CLEARRXERR 0x24 |
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229 | #define CR_BREAKRESET 0x2c |
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230 | #define CR_TXSTARTBREAK 0x34 |
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231 | #define CR_TXSTOPBREAK 0x3c |
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232 | #define CR_RTSON 0x44 |
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233 | #define CR_RTSOFF 0x4c |
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234 | #define CR_ADDRINIT 0x5c |
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235 | #define CR_RXERRBLOCK 0x6c |
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236 | #define CR_TXSENDXON 0x84 |
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237 | #define CR_TXSENDXOFF 0x8c |
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238 | #define CR_GANGXONSET 0x94 |
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239 | #define CR_GANGXOFFSET 0x9c |
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240 | #define CR_GANGXONINIT 0xa4 |
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241 | #define CR_GANGXOFFINIT 0xac |
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242 | #define CR_HOSTXON 0xb4 |
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243 | #define CR_HOSTXOFF 0xbc |
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244 | #define CR_CANCELXOFF 0xc4 |
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245 | #define CR_ADDRRESET 0xdc |
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246 | #define CR_RESETALLPORTS 0xf4 |
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247 | #define CR_RESETALL 0xfc |
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248 | |||
249 | #define CR_RXENABLE 0x01 |
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250 | #define CR_TXENABLE 0x02 |
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251 | |||
252 | /*****************************************************************************/ |
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253 | |||
254 | /* |
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255 | * Channel status register. |
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256 | */ |
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257 | #define SR_RXRDY 0x01 |
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258 | #define SR_RXFULL 0x02 |
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259 | #define SR_TXRDY 0x04 |
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260 | #define SR_TXEMPTY 0x08 |
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261 | #define SR_RXOVERRUN 0x10 |
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262 | #define SR_RXPARITY 0x20 |
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263 | #define SR_RXFRAMING 0x40 |
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264 | #define SR_RXBREAK 0x80 |
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265 | |||
266 | #define SR_RXERRS (SR_RXPARITY | SR_RXFRAMING | SR_RXOVERRUN) |
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267 | |||
268 | /*****************************************************************************/ |
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269 | |||
270 | /* |
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271 | * Interrupt status register and interrupt mask register bit definitions. |
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272 | */ |
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273 | #define IR_TXRDY 0x01 |
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274 | #define IR_RXRDY 0x02 |
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275 | #define IR_RXBREAK 0x04 |
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276 | #define IR_XONXOFF 0x10 |
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277 | #define IR_ADDRRECOG 0x20 |
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278 | #define IR_RXWATCHDOG 0x40 |
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279 | #define IR_IOPORT 0x80 |
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280 | |||
281 | /*****************************************************************************/ |
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282 | |||
283 | /* |
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284 | * Interrupt vector register field definitions. |
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285 | */ |
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286 | #define IVR_CHANMASK 0x07 |
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287 | #define IVR_TYPEMASK 0x18 |
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288 | #define IVR_CONSTMASK 0xc0 |
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289 | |||
290 | #define IVR_RXDATA 0x10 |
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291 | #define IVR_RXBADDATA 0x18 |
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292 | #define IVR_TXDATA 0x08 |
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293 | #define IVR_OTHER 0x00 |
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294 | |||
295 | /*****************************************************************************/ |
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296 | |||
297 | /* |
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298 | * BRG timer control register bit definitions. |
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299 | */ |
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300 | #define BRGCTCR_DISABCLK0 0x00 |
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301 | #define BRGCTCR_ENABCLK0 0x08 |
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302 | #define BRGCTCR_DISABCLK1 0x00 |
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303 | #define BRGCTCR_ENABCLK1 0x80 |
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304 | |||
305 | #define BRGCTCR_0SCLK16 0x00 |
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306 | #define BRGCTCR_0SCLK32 0x01 |
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307 | #define BRGCTCR_0SCLK64 0x02 |
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308 | #define BRGCTCR_0SCLK128 0x03 |
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309 | #define BRGCTCR_0X1 0x04 |
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310 | #define BRGCTCR_0X12 0x05 |
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311 | #define BRGCTCR_0IO1A 0x06 |
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312 | #define BRGCTCR_0GIN0 0x07 |
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313 | |||
314 | #define BRGCTCR_1SCLK16 0x00 |
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315 | #define BRGCTCR_1SCLK32 0x10 |
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316 | #define BRGCTCR_1SCLK64 0x20 |
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317 | #define BRGCTCR_1SCLK128 0x30 |
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318 | #define BRGCTCR_1X1 0x40 |
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319 | #define BRGCTCR_1X12 0x50 |
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320 | #define BRGCTCR_1IO1B 0x60 |
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321 | #define BRGCTCR_1GIN1 0x70 |
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322 | |||
323 | /*****************************************************************************/ |
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324 | |||
325 | /* |
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326 | * Watch dog timer enable register. |
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327 | */ |
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328 | #define WDTRCR_ENABALL 0xff |
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329 | |||
330 | /*****************************************************************************/ |
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331 | |||
332 | /* |
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333 | * XON/XOFF interrupt status register. |
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334 | */ |
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335 | #define XISR_TXCHARMASK 0x03 |
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336 | #define XISR_TXCHARNORMAL 0x00 |
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337 | #define XISR_TXWAIT 0x01 |
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338 | #define XISR_TXXOFFPEND 0x02 |
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339 | #define XISR_TXXONPEND 0x03 |
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340 | |||
341 | #define XISR_TXFLOWMASK 0x0c |
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342 | #define XISR_TXNORMAL 0x00 |
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343 | #define XISR_TXSTOPPEND 0x04 |
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344 | #define XISR_TXSTARTED 0x08 |
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345 | #define XISR_TXSTOPPED 0x0c |
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346 | |||
347 | #define XISR_RXFLOWMASK 0x30 |
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348 | #define XISR_RXFLOWNONE 0x00 |
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349 | #define XISR_RXXONSENT 0x10 |
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350 | #define XISR_RXXOFFSENT 0x20 |
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351 | |||
352 | #define XISR_RXXONGOT 0x40 |
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353 | #define XISR_RXXOFFGOT 0x80 |
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354 | |||
355 | /*****************************************************************************/ |
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356 | |||
357 | /* |
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358 | * Current interrupt register. |
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359 | */ |
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360 | #define CIR_TYPEMASK 0xc0 |
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361 | #define CIR_TYPEOTHER 0x00 |
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362 | #define CIR_TYPETX 0x40 |
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363 | #define CIR_TYPERXGOOD 0x80 |
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364 | #define CIR_TYPERXBAD 0xc0 |
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365 | |||
366 | #define CIR_RXDATA 0x80 |
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367 | #define CIR_RXBADDATA 0x40 |
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368 | #define CIR_TXDATA 0x40 |
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369 | |||
370 | #define CIR_CHANMASK 0x07 |
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371 | #define CIR_CNTMASK 0x38 |
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372 | |||
373 | #define CIR_SUBTYPEMASK 0x38 |
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374 | #define CIR_SUBNONE 0x00 |
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375 | #define CIR_SUBCOS 0x08 |
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376 | #define CIR_SUBADDR 0x10 |
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377 | #define CIR_SUBXONXOFF 0x18 |
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378 | #define CIR_SUBBREAK 0x28 |
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379 | |||
380 | /*****************************************************************************/ |
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381 | |||
382 | /* |
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383 | * Global interrupting channel register. |
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384 | */ |
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385 | #define GICR_CHANMASK 0x07 |
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386 | |||
387 | /*****************************************************************************/ |
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388 | |||
389 | /* |
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390 | * Global interrupting byte count register. |
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391 | */ |
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392 | #define GICR_COUNTMASK 0x0f |
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393 | |||
394 | /*****************************************************************************/ |
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395 | |||
396 | /* |
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397 | * Global interrupting type register. |
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398 | */ |
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399 | #define GITR_RXMASK 0xc0 |
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400 | #define GITR_RXNONE 0x00 |
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401 | #define GITR_RXBADDATA 0x80 |
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402 | #define GITR_RXGOODDATA 0xc0 |
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403 | #define GITR_TXDATA 0x20 |
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404 | |||
405 | #define GITR_SUBTYPEMASK 0x07 |
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406 | #define GITR_SUBNONE 0x00 |
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407 | #define GITR_SUBCOS 0x01 |
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408 | #define GITR_SUBADDR 0x02 |
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409 | #define GITR_SUBXONXOFF 0x03 |
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410 | #define GITR_SUBBREAK 0x05 |
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411 | |||
412 | /*****************************************************************************/ |
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413 | |||
414 | /* |
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415 | * Input port change register. |
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416 | */ |
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417 | #define IPR_CTS 0x01 |
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418 | #define IPR_DTR 0x02 |
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419 | #define IPR_RTS 0x04 |
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420 | #define IPR_DCD 0x08 |
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421 | #define IPR_CTSCHANGE 0x10 |
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422 | #define IPR_DTRCHANGE 0x20 |
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423 | #define IPR_RTSCHANGE 0x40 |
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424 | #define IPR_DCDCHANGE 0x80 |
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425 | |||
426 | #define IPR_CHANGEMASK 0xf0 |
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427 | |||
428 | /*****************************************************************************/ |
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429 | |||
430 | /* |
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431 | * IO port interrupt and output register. |
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432 | */ |
||
433 | #define IOPR_CTS 0x01 |
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434 | #define IOPR_DTR 0x02 |
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435 | #define IOPR_RTS 0x04 |
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436 | #define IOPR_DCD 0x08 |
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437 | #define IOPR_CTSCOS 0x10 |
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438 | #define IOPR_DTRCOS 0x20 |
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439 | #define IOPR_RTSCOS 0x40 |
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440 | #define IOPR_DCDCOS 0x80 |
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441 | |||
442 | /*****************************************************************************/ |
||
443 | |||
444 | /* |
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445 | * IO port configuration register. |
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446 | */ |
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447 | #define IOPCR_SETCTS 0x00 |
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448 | #define IOPCR_SETDTR 0x04 |
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449 | #define IOPCR_SETRTS 0x10 |
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450 | #define IOPCR_SETDCD 0x00 |
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451 | |||
452 | #define IOPCR_SETSIGS (IOPCR_SETRTS | IOPCR_SETRTS | IOPCR_SETDTR | IOPCR_SETDCD) |
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453 | |||
454 | /*****************************************************************************/ |
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455 | |||
456 | /* |
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457 | * General purpose output select register. |
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458 | */ |
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459 | #define GPORS_TXC1XA 0x08 |
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460 | #define GPORS_TXC16XA 0x09 |
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461 | #define GPORS_RXC16XA 0x0a |
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462 | #define GPORS_TXC16XB 0x0b |
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463 | #define GPORS_GPOR3 0x0c |
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464 | #define GPORS_GPOR2 0x0d |
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465 | #define GPORS_GPOR1 0x0e |
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466 | #define GPORS_GPOR0 0x0f |
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467 | |||
468 | /*****************************************************************************/ |
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469 | |||
470 | /* |
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471 | * General purpose output register. |
||
472 | */ |
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473 | #define GPOR_0 0x01 |
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474 | #define GPOR_1 0x02 |
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475 | #define GPOR_2 0x04 |
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476 | #define GPOR_3 0x08 |
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477 | |||
478 | /*****************************************************************************/ |
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479 | |||
480 | /* |
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481 | * General purpose output clock register. |
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482 | */ |
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483 | #define GPORC_0NONE 0x00 |
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484 | #define GPORC_0GIN0 0x01 |
||
485 | #define GPORC_0GIN1 0x02 |
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486 | #define GPORC_0IO3A 0x02 |
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487 | |||
488 | #define GPORC_1NONE 0x00 |
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489 | #define GPORC_1GIN0 0x04 |
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490 | #define GPORC_1GIN1 0x08 |
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491 | #define GPORC_1IO3C 0x0c |
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492 | |||
493 | #define GPORC_2NONE 0x00 |
||
494 | #define GPORC_2GIN0 0x10 |
||
495 | #define GPORC_2GIN1 0x20 |
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496 | #define GPORC_2IO3E 0x20 |
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497 | |||
498 | #define GPORC_3NONE 0x00 |
||
499 | #define GPORC_3GIN0 0x40 |
||
500 | #define GPORC_3GIN1 0x80 |
||
501 | #define GPORC_3IO3G 0xc0 |
||
502 | |||
503 | /*****************************************************************************/ |
||
504 | |||
505 | /* |
||
506 | * General purpose output data register. |
||
507 | */ |
||
508 | #define GPOD_0MASK 0x03 |
||
509 | #define GPOD_0SET1 0x00 |
||
510 | #define GPOD_0SET0 0x01 |
||
511 | #define GPOD_0SETR0 0x02 |
||
512 | #define GPOD_0SETIO3B 0x03 |
||
513 | |||
514 | #define GPOD_1MASK 0x0c |
||
515 | #define GPOD_1SET1 0x00 |
||
516 | #define GPOD_1SET0 0x04 |
||
517 | #define GPOD_1SETR0 0x08 |
||
518 | #define GPOD_1SETIO3D 0x0c |
||
519 | |||
520 | #define GPOD_2MASK 0x30 |
||
521 | #define GPOD_2SET1 0x00 |
||
522 | #define GPOD_2SET0 0x10 |
||
523 | #define GPOD_2SETR0 0x20 |
||
524 | #define GPOD_2SETIO3F 0x30 |
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525 | |||
526 | #define GPOD_3MASK 0xc0 |
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527 | #define GPOD_3SET1 0x00 |
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528 | #define GPOD_3SET0 0x40 |
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529 | #define GPOD_3SETR0 0x80 |
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530 | #define GPOD_3SETIO3H 0xc0 |
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531 | |||
532 | /*****************************************************************************/ |
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533 | #endif |