| 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, for 1024x768 */
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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 */
|
|---|
| 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
|
|---|
| 392 | /**
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|---|
| 393 | * @}
|
|---|
| 394 | */
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