1 | /*
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2 | * Copyright (c) 2012 Jan Vesely
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3 | * All rights reserved.
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4 | *
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5 | * Redistribution and use in source and binary forms, with or without
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6 | * modification, are permitted provided that the following conditions
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7 | * are met:
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8 | *
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9 | * - Redistributions of source code must retain the above copyright
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10 | * notice, this list of conditions and the following disclaimer.
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11 | * - Redistributions in binary form must reproduce the above copyright
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12 | * notice, this list of conditions and the following disclaimer in the
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13 | * documentation and/or other materials provided with the distribution.
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14 | * - The name of the author may not be used to endorse or promote products
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15 | * derived from this software without specific prior written permission.
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16 | *
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17 | * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
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18 | * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
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19 | * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
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20 | * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
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21 | * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
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22 | * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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23 | * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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24 | * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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25 | * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
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26 | * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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27 | */
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28 | /** @addtogroup genarch
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29 | * @{
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30 | */
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31 | /**
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32 | * @file
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33 | * @brief Texas Instruments AM/DM37x SDRAM Memory Scheduler.
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34 | */
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35 |
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36 | #ifndef KERN_AMDM37x_DISPC_H_
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37 | #define KERN_AMDM37x_DISPC_H_
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38 |
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39 | /* AMDM37x TRM p. 1813 */
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40 | #define AMDM37x_DISPC_BASE_ADDRESS 0x48050400
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41 | #define AMDM37x_DISPC_SIZE 1024
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42 |
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43 | #define __paddname(line) PADD32_ ## line
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44 | #define _paddname(line) __paddname(line)
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45 | #define PADD32(count) uint32_t _paddname(__LINE__)[count]
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46 |
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47 | #include <typedefs.h>
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48 |
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49 | typedef struct {
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50 | const ioport32_t revision;
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51 | #define AMDM37X_DISPC_REVISION_MASK 0xff
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52 |
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53 | PADD32(3);
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54 | ioport32_t sysconfig;
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55 | #define AMDM37X_DISPC_SYSCONFIG_AUTOIDLE_FLAG (1 << 0)
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56 | #define AMDM37X_DISPC_SYSCONFIG_SOFTRESET_FLAG (1 << 1)
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57 | #define AMDM37X_DISPC_SYSCONFIG_ENWAKEUP_FLAG (1 << 2)
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58 | #define AMDM37X_DISPC_SYSCONFIG_SIDLEMODE_MASK 0x3
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59 | #define AMDM37X_DISPC_SYSCONFIG_SIDLEMODE_SHIFT 3
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60 | #define AMDM37X_DISPC_SYSCONFIG_CLOCKACTIVITY_MASK 0x3
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61 | #define AMDM37X_DISPC_SYSCONFIG_CLOCKACTIVITY_SHIFT 8
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62 | #define AMDM37X_DISPC_SYSCONFIG_MIDLEMODE_MASK 0x3
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63 | #define AMDM37X_DISPC_SYSCONFIG_MIDLEMODE_SHIFT 12
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64 |
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65 | const ioport32_t sysstatus;
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66 | #define AMDM37X_DISPC_SYSSTATUS_RESETDONE_FLAG (1 << 0)
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67 |
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68 | ioport32_t irqstatus;
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69 | ioport32_t irqenable;
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70 | #define AMDM37X_DISPC_IRQ_FRAMEDONE_FLAG (1 << 0)
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71 | #define AMDM37X_DISPC_IRQ_VSYNC_FLAG (1 << 1)
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72 | #define AMDM37X_DISPC_IRQ_EVSYNCEVEN_FLAG (1 << 2)
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73 | #define AMDM37X_DISPC_IRQ_EVSYNCODD_FLAG (1 << 3)
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74 | #define AMDM37X_DISPC_IRQ_ACBIASCOUNTSTATUS_FLAG (1 << 4)
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75 | #define AMDM37X_DISPC_IRQ_PROGRAMMEDLINENUMBER_FLAG (1 << 5)
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76 | #define AMDM37X_DISPC_IRQ_GFXFIFOUNDERFLOW_FLAG (1 << 6)
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77 | #define AMDM37X_DISPC_IRQ_GFXENDWINDOW_FLAG (1 << 7)
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78 | #define AMDM37X_DISPC_IRQ_PALETTEGAMMALOADING_FLAG (1 << 8)
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79 | #define AMDM37X_DISPC_IRQ_OPCERROR_FLAG (1 << 9)
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80 | #define AMDM37X_DISPC_IRQ_VID1FIFOUNDERFLOW_FLAG (1 << 10)
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81 | #define AMDM37X_DISPC_IRQ_VID1ENDWINDOW_FLAG (1 << 11)
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82 | #define AMDM37X_DISPC_IRQ_VID2FIFOUNDERFLOW_FLAG (1 << 12)
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83 | #define AMDM37X_DISPC_IRQ_VID2ENDWINDOW_FLAG (1 << 13)
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84 | #define AMDM37X_DISPC_IRQ_SYNCLOST_FLAG (1 << 14)
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85 | #define AMDM37X_DISPC_IRQ_SYNCLOSTDIGITAL_FLAG (1 << 15)
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86 | #define AMDM37X_DISPC_IRQ_WAKEUP_FLAG (1 << 16)
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87 |
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88 | PADD32(8);
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89 | ioport32_t control;
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90 | #define AMDM37X_DISPC_CONTROL_LCD_ENABLE_FLAG (1 << 0)
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91 | #define AMDM37X_DISPC_CONTROL_DIGITAL_ENABLE_FLAG (1 << 1)
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92 | #define AMDM37X_DISPC_CONTROL_MONOCOLOR_FLAG (1 << 2)
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93 | #define AMDM37X_DISPC_CONTROL_STNTFT_FLAG (1 << 3)
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94 | #define AMDM37X_DISPC_CONTROL_M8B_FLAG (1 << 4)
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95 | #define AMDM37X_DISPC_CONTROL_GOLCD_FLAG (1 << 5)
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96 | #define AMDM37X_DISPC_CONTROL_GODIGITAL_FLAG (1 << 6)
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97 | #define AMDM37X_DISPC_CONTROL_STDITHERENABLE_FLAG (1 << 7)
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98 | #define AMDM37X_DISPC_CONTROL_TFTDATALINES_MASK 0x3
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99 | #define AMDM37X_DISPC_CONTROL_TFTDATALINES_SHIFT 8
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100 | #define AMDM37X_DISPC_CONTROL_TFTDATALINES_12B 0
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101 | #define AMDM37X_DISPC_CONTROL_TFTDATALINES_16B 1
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102 | #define AMDM37X_DISPC_CONTROL_TFTDATALINES_18B 2
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103 | #define AMDM37X_DISPC_CONTROL_TFTDATALINES_24B 3
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104 | #define AMDM37X_DISPC_CONTROL_STALLMODE_FLAG (1 << 11)
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105 | #define AMDM37X_DISPC_CONTROL_OVERLAYOPTIMIZATION_FLAG (1 << 12)
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106 | #define AMDM37X_DISPC_CONTROL_GPIN0_FLAG (1 << 13)
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107 | #define AMDM37X_DISPC_CONTROL_GPIN1_FLAG (1 << 14)
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108 | #define AMDM37X_DISPC_CONTROL_GPOUT0_FLAG (1 << 15)
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109 | #define AMDM37X_DISPC_CONTROL_GPOUT1_FLAG (1 << 16)
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110 | #define AMDM37X_DISPC_CONTROL_HT_MASK 0x7
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111 | #define AMDM37X_DISPC_CONTROL_HT_SHIFT 17
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112 | #define AMDM37X_DISPC_CONTROL_TDMENABLE_FLAG (1 << 20)
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113 | #define AMDM37X_DISPC_CONTROL_TDMPARALLELMODE_MASK 0x3
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114 | #define AMDM37X_DISPC_CONTROL_TDMPARELLELMODE_SHIFT 21
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115 | #define AMDM37X_DISPC_CONTROL_TDMCYCLEFORMAT_MASK 0x3
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116 | #define AMDM37X_DISPC_CONTROL_TDMCYCLEFORMAT_SHIFT 23
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117 | #define AMDM37X_DISPC_CONTROL_TDMUNUSEDBITS_MASK 0x3
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118 | #define AMDM37X_DISPC_CONTROL_TDMUNUSEDBITS_SHIFT 25
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119 | #define AMDM37X_DISPC_CONTROL_PCKFREEENABLE_FLAG (1 << 27)
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120 | #define AMDM37X_DISPC_CONTROL_LCDENABLESIGNAL_FLAG (1 << 28)
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121 | #define AMDM37X_DISPC_CONTROL_KCDENABLEPOL_FLAG (1 << 29)
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122 | #define AMDM37X_DISPC_CONTROL_SPATIALTEMPORALDITHERINGFRAMES_MASK 0x3
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123 | #define AMDM37X_DISPC_CONTROL_SPATIALTEMPORALDITHERINGFRAMES_SHIFT 30
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124 |
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125 | ioport32_t config;
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126 | #define AMDM37X_DISPC_CONFIG_PIXELGATED_FLAG (1 << 0)
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127 | #define AMDM37X_DISPC_CONFIG_LOADMODE_MASK 0x3
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128 | #define AMDM37X_DISPC_CONFIG_LOADMODE_SHIFT 1
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129 | #define AMDM37X_DISPC_CONFIG_LOADMODE_PGDATAEVERYFRAME 0x0
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130 | #define AMDM37X_DISPC_CONFIG_LOADMODE_PGUSER 0x1
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131 | #define AMDM37X_DISPC_CONFIG_LOADMODE_DATAEVERYFRAME 0x2
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132 | #define AMDM37X_DISPC_CONFIG_LOADMODE_PGDFIRSTFRAME 0x3
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133 | #define AMDM37X_DISPC_CONFIG_PALETTEGAMMATABLE_FLAG (1 << 3)
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134 | #define AMDM37X_DISPC_CONFIG_PIXELDATAGATED_FLAG (1 << 4)
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135 | #define AMDM37X_DISPC_CONFIG_PIXELCLOCKGATED_FLAG (1 << 5)
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136 | #define AMDM37X_DISPC_CONFIG_HSYNCGATED_FLAG (1 << 6)
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137 | #define AMDM37X_DISPC_CONFIG_VSYNCGATED_FLAG (1 << 7)
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138 | #define AMDM37X_DISPC_CONFIG_ACBIASGATED_FLAG (1 << 8)
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139 | #define AMDM37X_DISPC_CONFIG_FUNCGATED_FLAG (1 << 9)
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140 | #define AMDM37X_DISPC_CONFIG_TCKLCDENABLE_FLAG (1 << 10)
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141 | #define AMDM37X_DISPC_CONFIG_TCKLCDSELECTION_FLAG (1 << 11)
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142 | #define AMDM37X_DISPC_CONFIG_TCKDIGENABLE_FLAG (1 << 12)
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143 | #define AMDM37X_DISPC_CONFIG_TCKDIGSELECTION_FLAG (1 << 13)
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144 | #define AMDM37X_DISPC_CONFIG_FIFOMERGE_FLAG (1 << 14)
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145 | #define AMDM37X_DISPC_CONFIG_CPR_FLAG (1 << 15)
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146 | #define AMDM37X_DISPC_CONFIG_FIFOHANDCHECK_FLAG (1 << 16)
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147 | #define AMDM37X_DISPC_CONFIG_FIFOFILLING_FLAG (1 << 17)
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148 | #define AMDM37X_DISPC_CONFIG_LCDPALPHABLENDERENABLDE_FLAG (1 << 18)
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149 | #define AMDM37X_DISPC_CONFIG_TVALPHABLENDERENABLE_FLAG (1 << 19)
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150 |
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151 | PADD32(1);
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152 | ioport32_t default_color[2];
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153 | ioport32_t trans_color[2];
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154 | #define AMDM37X_DISPC_COLOR_MASK 0xffffff
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155 |
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156 | const ioport32_t line_status;
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157 | ioport32_t line_number;
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158 | #define AMDM37X_DISPC_LINE_NUMBER_MASK 0x3ff
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159 |
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160 | ioport32_t timing_h;
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161 | #define AMDM37X_DISPC_TIMING_H_HSW_MASK 0xff
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162 | #define AMDM37X_DISPC_TIMING_H_HSW_SHIFT 0
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163 | #define AMDM37X_DISPC_TIMING_H_HFP_MASK 0xfff
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164 | #define AMDM37X_DISPC_TIMING_H_HFP_SHIFT 8
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165 | #define AMDM37X_DISPC_TIMING_H_HBP_MASK 0xfff
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166 | #define AMDM37X_DISPC_TIMING_H_HBP_SHIFT 20
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167 |
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168 | ioport32_t timing_v;
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169 | #define AMDM37X_DISPC_TIMING_V_VSW_MASK 0xff
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170 | #define AMDM37X_DISPC_TIMING_V_VSW_SHIFT 0
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171 | #define AMDM37X_DISPC_TIMING_V_VFP_MASK 0xfff
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172 | #define AMDM37X_DISPC_TIMING_V_VFP_SHIFT 8
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173 | #define AMDM37X_DISPC_TIMING_V_VBP_MASK 0xfff
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174 | #define AMDM37X_DISPC_TIMING_V_VBP_SHIFT 20
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175 |
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176 | ioport32_t pol_freq;
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177 | #define AMDM37X_DISPC_POL_FREQ_ACB_MASK 0xff
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178 | #define AMDM37X_DISPC_POL_FREQ_ACB_SHIFT 0
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179 | #define AMDM37X_DISPC_POL_FREQ_ACBI_MASK 0xf
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180 | #define AMDM37X_DISPC_POL_FREQ_ACBI_SHIFT 8
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181 | #define AMDM37X_DISPC_POL_FREQ_IVS_FLAG (1 << 12)
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182 | #define AMDM37X_DISPC_POL_FREQ_IHS_FLAG (1 << 13)
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183 | #define AMDM37X_DISPC_POL_FREQ_IPC_FLAG (1 << 14)
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184 | #define AMDM37X_DISPC_POL_FREQ_IEO_FLAG (1 << 15)
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185 | #define AMDM37X_DISPC_POL_FREQ_RF_FLAG (1 << 16)
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186 | #define AMDM37X_DISPC_POL_FREQ_ONOFF_FLAG (1 << 17)
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187 |
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188 | ioport32_t divisor;
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189 | #define AMDM37X_DISPC_DIVISOR_PCD_MASK 0xff
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190 | #define AMDM37X_DISPC_DIVISOR_PCD_SHIFT 0
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191 | #define AMDM37X_DISPC_DIVISOR_LCD_MASK 0xff
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192 | #define AMDM37X_DISPC_DIVISOR_LCD_SHIFT 16
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193 |
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194 | ioport32_t global_alpha;
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195 | #define AMDM37X_DISPC_GLOBAL_ALPHA_GFXGLOBALALPHA_MASK 0xff
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196 | #define AMDM37X_DISPC_GLOBAL_ALPHA_GFXGLOBALALPHA_SHIFT 0
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197 | #define AMDM37X_DISPC_GLOBAL_ALPHA_VID2GLOBALALPHA_MASK 0xff
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198 | #define AMDM37X_DISPC_GLOBAL_ALPHA_VID2GLOBALALPHA_SHIFT 16
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199 |
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200 | ioport32_t size_dig;
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201 | ioport32_t size_lcd;
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202 |
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203 | struct {
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204 | ioport32_t ba[2];
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205 | ioport32_t position;
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206 | #define AMDM37X_DISPC_GFX_POSITION_GFXPOSX_MASK 0x7ff
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207 | #define AMDM37X_DISPC_GFX_POSITION_GFXPOSX_SHIFT 0
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208 | #define AMDM37X_DISPC_GFX_POSITION_GFXPOSY_MASK 0x7ff
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209 | #define AMDM37X_DISPC_GFX_POSITION_GFXPOSY_SHIFT 16
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210 |
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211 | ioport32_t size;
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212 | #define AMDM37X_DISPC_SIZE_WIDTH_MASK 0x7ff
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213 | #define AMDM37X_DISPC_SIZE_WIDTH_SHIFT 0
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214 | #define AMDM37X_DISPC_SIZE_HEIGHT_MASK 0x7ff
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215 | #define AMDM37X_DISPC_SIZE_HEIGHT_SHIFT 16
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216 |
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217 | PADD32(4);
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218 | ioport32_t attributes;
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219 | #define AMDM37X_DISPC_GFX_ATTRIBUTES_ENABLE_FLAG (1 << 0)
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220 | #define AMDM37X_DISPC_GFX_ATTRIBUTES_FORMAT_MASK 0xf
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221 | #define AMDM37X_DISPC_GFX_ATTRIBUTES_FORMAT_SHIFT 1
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222 | #define AMDM37X_DISPC_GFX_ATTRIBUTES_FORMAT_ARGB16 0x5
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223 | #define AMDM37X_DISPC_GFX_ATTRIBUTES_FORMAT_RGB16 0x6
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224 | #define AMDM37X_DISPC_GFX_ATTRIBUTES_FORMAT_RGB24_32 0x8
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225 | #define AMDM37X_DISPC_GFX_ATTRIBUTES_FORMAT_RGB24 0x9
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226 | #define AMDM37X_DISPC_GFX_ATTRIBUTES_FORMAT_ARGB 0xc
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227 | #define AMDM37X_DISPC_GFX_ATTRIBUTES_FORMAT_RGBA 0xd
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228 | #define AMDM37X_DISPC_GFX_ATTRIBUTES_FORMAT_RGBX 0xe
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229 | #define AMDM37X_DISPC_GFX_ATTRIBUTES_REPLICATIONENABLE_FLAG (1 << 5)
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230 | #define AMDM37X_DISPC_GFX_ATTRIBUTES_GFXBURSTSIZE_MASK 0x3
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231 | #define AMDM37X_DISPC_GFX_ATTRIBUTES_GFXBURSTSIZE_SHIFT 6
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232 | #define AMDM37X_DISPC_GFX_ATTRIBUTES_GFXCHANNELOUT_FLAG (1 << 8)
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233 | #define AMDM37X_DISPC_GFX_ATTRIBUTES_GFXNIBBLEMODE_FLAG (1 << 9)
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234 | #define AMDM37X_DISPC_GFX_ATTRIBUTES_GFXENDIANNES_FLAG (1 << 10)
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235 | #define AMDM37X_DISPC_GFX_ATTRIBUTES_GFXFIFOPRELOAD_FLAG (1 << 11)
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236 | #define AMDM37X_DISPC_GFX_ATTRIBUTES_GFXROTATION_MASK 0x3
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237 | #define AMDM37X_DISPC_GFX_ATTRIBUTES_GFXROTATION_SHIFT 12
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238 | #define AMDM37X_DISPC_GFX_ATTRIBUTES_GFXARBITRATION_FLAG (1 << 14)
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239 | #define AMDM37X_DISPC_GFX_ATTRIBUTES_GFXSELFREFRESH_FLAG (1 << 15)
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240 | #define AMDM37X_DISPC_GFX_ATTRIBUTES_PREMULTIALPHA_FLAG (1 << 28)
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241 |
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242 |
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243 | ioport32_t fifo_threshold;
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244 | const ioport32_t fifo_size_status;
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245 | ioport32_t row_inc;
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246 | ioport32_t pixel_inc;
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247 | ioport32_t window_skip;
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248 | ioport32_t table_ba;
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249 | } gfx;
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250 |
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251 | struct {
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252 | ioport32_t ba[2];
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253 | ioport32_t position;
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254 | ioport32_t size;
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255 | ioport32_t attributes;
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256 | ioport32_t fifo_threshold;
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257 | const ioport32_t fifo_size_status;
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258 | ioport32_t row_inc;
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259 | ioport32_t pixel_inc;
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260 | ioport32_t fir;
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261 | ioport32_t picture_size;
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262 | ioport32_t accui[2];
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263 | struct {
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264 | ioport32_t hi;
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265 | ioport32_t hvi;
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266 | } fir_coef[8];
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267 | ioport32_t conv_coef[5];
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268 | PADD32(2);
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269 | } vid[2];
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270 | /* 0x1d4 */
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271 | ioport32_t data_cycle[3];
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272 | /* 0x1e0 */
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273 | ioport32_t vid_fir_coef_v[8];
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274 | /* 0x200 */
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275 | PADD32(8);
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276 | /* 0x220 */
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277 | ioport32_t cpr_coef_r;
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278 | ioport32_t cpr_coef_g;
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279 | ioport32_t cpr_coef_b;
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280 | ioport32_t gfx_preload;
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281 |
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282 | /* 0x230 */
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283 | ioport32_t vid_preload[2];
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284 |
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285 | } __attribute__((packed)) amdm37x_dispc_regs_t;
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286 |
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287 |
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288 | static inline void amdm37x_dispc_setup_fb(amdm37x_dispc_regs_t *regs,
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289 | unsigned x, unsigned y, unsigned bpp, uintptr_t pa)
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290 | {
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291 | ASSERT(regs);
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292 | /* Init sequence for dispc is in chapter 7.6.5.1.4 p. 1810,
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293 | * no idea what parts of that work. */
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294 |
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295 | /* Disable all interrupts */
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296 | regs->irqenable = 0;
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297 |
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298 | /* Pixel format specifics*/
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299 | uint32_t attrib_pixel_format = 0;
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300 | uint32_t control_data_lanes = 0;
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301 | switch (bpp)
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302 | {
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303 | case 32:
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304 | attrib_pixel_format = AMDM37X_DISPC_GFX_ATTRIBUTES_FORMAT_RGBX;
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305 | control_data_lanes = AMDM37X_DISPC_CONTROL_TFTDATALINES_24B;
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306 | break;
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307 | case 24:
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308 | attrib_pixel_format = AMDM37X_DISPC_GFX_ATTRIBUTES_FORMAT_RGB24;
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309 | control_data_lanes = AMDM37X_DISPC_CONTROL_TFTDATALINES_24B;
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310 | break;
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311 | case 16:
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312 | attrib_pixel_format = AMDM37X_DISPC_GFX_ATTRIBUTES_FORMAT_RGB16;
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313 | control_data_lanes = AMDM37X_DISPC_CONTROL_TFTDATALINES_16B;
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314 | break;
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315 | default:
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316 | ASSERT(false);
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317 | }
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318 |
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319 | /* Prepare sizes */
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320 | const uint32_t size_reg =
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321 | (((x - 1) & AMDM37X_DISPC_SIZE_WIDTH_MASK)
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322 | << AMDM37X_DISPC_SIZE_WIDTH_SHIFT) |
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323 | (((y - 1) & AMDM37X_DISPC_SIZE_HEIGHT_MASK)
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324 | << AMDM37X_DISPC_SIZE_HEIGHT_SHIFT);
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325 |
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326 | /* modes taken from u-boot */
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327 | // TODO replace magic values with actual correct values
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328 | // regs->timing_h = 0x1a4024c9;
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329 | // regs->timing_v = 0x02c00509;
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330 | // regs->pol_freq = 0x00007028;
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331 | // regs->divisor = 0x00010001;
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332 |
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333 | /* setup output */
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334 | regs->size_lcd = size_reg;
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335 | regs->size_dig = size_reg;
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336 |
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337 | /* Nice blue default color */
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338 | regs->default_color[0] = 0x0000ff;
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339 | regs->default_color[1] = 0x0000ff;
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340 |
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341 | /* Setup control register */
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342 | uint32_t control = 0 |
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343 | AMDM37X_DISPC_CONTROL_PCKFREEENABLE_FLAG |
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344 | (control_data_lanes << AMDM37X_DISPC_CONTROL_TFTDATALINES_SHIFT) |
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345 | AMDM37X_DISPC_CONTROL_GPOUT0_FLAG |
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346 | AMDM37X_DISPC_CONTROL_GPOUT1_FLAG;
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347 | regs->control = control;
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348 |
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349 | /* No gamma stuff only data */
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350 | uint32_t config = (AMDM37X_DISPC_CONFIG_LOADMODE_DATAEVERYFRAME
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351 | << AMDM37X_DISPC_CONFIG_LOADMODE_SHIFT);
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352 | regs->config = config;
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353 |
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354 |
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355 | /* Set framebuffer base address */
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356 | regs->gfx.ba[0] = pa;
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357 | regs->gfx.ba[1] = pa;
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358 | regs->gfx.position = 0;
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359 |
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360 | /* Setup fb size */
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361 | regs->gfx.size = size_reg;
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362 |
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363 | /* Set pixel format */
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364 | uint32_t attribs = 0 |
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365 | (attrib_pixel_format << AMDM37X_DISPC_GFX_ATTRIBUTES_FORMAT_SHIFT);
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366 | regs->gfx.attributes = attribs;
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367 |
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368 | /* 0x03ff03c0 is the default */
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369 | regs->gfx.fifo_threshold = 0x03ff03c0;
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370 | /* This value should be stride - width, 1 means next pixel i.e.
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371 | * stride == width */
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372 | regs->gfx.row_inc = 1;
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373 | /* number of bytes to next pixel in BPP multiples */
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374 | regs->gfx.pixel_inc = 1;
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375 | /* only used if video is played over fb */
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376 | regs->gfx.window_skip = 0;
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377 | /* Gamma and palette table */
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378 | regs->gfx.table_ba = 0;
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379 |
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380 | /* enable frame buffer graphics */
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381 | regs->gfx.attributes |= AMDM37X_DISPC_GFX_ATTRIBUTES_ENABLE_FLAG;
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382 | /* Update register values */
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383 | regs->control |= AMDM37X_DISPC_CONTROL_GOLCD_FLAG;
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384 | regs->control |= AMDM37X_DISPC_CONTROL_GODIGITAL_FLAG;
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385 | /* Enable output */
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386 | regs->control |= AMDM37X_DISPC_CONTROL_LCD_ENABLE_FLAG;
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387 | regs->control |= AMDM37X_DISPC_CONTROL_DIGITAL_ENABLE_FLAG;
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388 | }
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389 |
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390 |
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391 | #endif
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392 | /**
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393 | * @}
|
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394 | */
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