include/hw/display/xlnx_dp.h

   1 /*
   2  * xlnx_dp.h
   3  *
   4  *  Copyright (C) 2015 : GreenSocs Ltd
   5  *      http://www.greensocs.com/ , email: info@greensocs.com
   6  *
   7  *  Developed by :
   8  *  Frederic Konrad   <fred.konrad@greensocs.com>
   9  *
  10  * This program is free software; you can redistribute it and/or modify
  11  * it under the terms of the GNU General Public License as published by
  12  * the Free Software Foundation, either version 2 of the License, or
  13  * (at your option) any later version.
  14  *
  15  * This program is distributed in the hope that it will be useful,
  16  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  17  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  18  * GNU General Public License for more details.
  19  *
  20  * You should have received a copy of the GNU General Public License along
  21  * with this program; if not, see <http://www.gnu.org/licenses/>.
  22  */
  23
  24 #ifndef XLNX_DP_H
  25 #define XLNX_DP_H
  26
  27 #include "hw/sysbus.h"
  28 #include "ui/console.h"
  29 #include "hw/misc/auxbus.h"
  30 #include "hw/i2c/i2c.h"
  31 #include "hw/display/dpcd.h"
  32 #include "hw/display/i2c-ddc.h"
  33 #include "qemu/fifo8.h"
  34 #include "qemu/units.h"
  35 #include "hw/dma/xlnx_dpdma.h"
  36 #include "audio/audio.h"
  37
  38 #define AUD_CHBUF_MAX_DEPTH                 (32 * KiB)
  39 #define MAX_QEMU_BUFFER_SIZE                (4 * KiB)
  40
  41 #define DP_CORE_REG_ARRAY_SIZE              (0x3AF >> 2)
  42 #define DP_AVBUF_REG_ARRAY_SIZE             (0x238 >> 2)
  43 #define DP_VBLEND_REG_ARRAY_SIZE            (0x1DF >> 2)
  44 #define DP_AUDIO_REG_ARRAY_SIZE             (0x50 >> 2)
  45
  46 struct PixmanPlane {
  47     pixman_format_code_t format;
  48     DisplaySurface *surface;
  49 };
  50
  51 typedef struct XlnxDPState {
  52     /*< private >*/
  53     SysBusDevice parent_obj;
  54
  55     /* < public >*/
  56     MemoryRegion container;
  57
  58     uint32_t core_registers[DP_CORE_REG_ARRAY_SIZE];
  59     MemoryRegion core_iomem;
  60
  61     uint32_t avbufm_registers[DP_AVBUF_REG_ARRAY_SIZE];
  62     MemoryRegion avbufm_iomem;
  63
  64     uint32_t vblend_registers[DP_VBLEND_REG_ARRAY_SIZE];
  65     MemoryRegion vblend_iomem;
  66
  67     uint32_t audio_registers[DP_AUDIO_REG_ARRAY_SIZE];
  68     MemoryRegion audio_iomem;
  69
  70     QemuConsole *console;
  71
  72     /*
  73      * This is the planes used to display in console. When the blending is
  74      * enabled bout_plane is displayed in console else it's g_plane.
  75      */
  76     struct PixmanPlane g_plane;
  77     struct PixmanPlane v_plane;
  78     struct PixmanPlane bout_plane;
  79
  80     QEMUSoundCard aud_card;
  81     SWVoiceOut *amixer_output_stream;
  82     int16_t audio_buffer_0[AUD_CHBUF_MAX_DEPTH];
  83     int16_t audio_buffer_1[AUD_CHBUF_MAX_DEPTH];
  84     size_t audio_data_available[2];
  85     int64_t temp_buffer[AUD_CHBUF_MAX_DEPTH];
  86     int16_t out_buffer[AUD_CHBUF_MAX_DEPTH];
  87     size_t byte_left; /* byte available in out_buffer. */
  88     size_t data_ptr;  /* next byte to be sent to QEMU. */
  89
  90     /* Associated DPDMA controller. */
  91     XlnxDPDMAState *dpdma;
  92
  93     qemu_irq irq;
  94
  95     AUXBus *aux_bus;
  96     Fifo8 rx_fifo;
  97     Fifo8 tx_fifo;
  98
  99     /*
 100      * XXX: This should be in an other module.
 101      */
 102     DPCDState *dpcd;
 103     I2CDDCState *edid;
 104 } XlnxDPState;
 105
 106 #define TYPE_XLNX_DP "xlnx.v-dp"
 107 #define XLNX_DP(obj) OBJECT_CHECK(XlnxDPState, (obj), TYPE_XLNX_DP)
 108
 109 #endif