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 #include "qom/object.h"
  38 #include "hw/ptimer.h"
  39
  40 #define AUD_CHBUF_MAX_DEPTH                 (32 * KiB)
  41 #define MAX_QEMU_BUFFER_SIZE                (4 * KiB)
  42
  43 #define DP_CORE_REG_OFFSET                  (0x0000)
  44 #define DP_CORE_REG_ARRAY_SIZE              (0x3B0 >> 2)
  45 #define DP_AVBUF_REG_OFFSET                 (0xB000)
  46 #define DP_AVBUF_REG_ARRAY_SIZE             (0x238 >> 2)
  47 #define DP_VBLEND_REG_OFFSET                (0xA000)
  48 #define DP_VBLEND_REG_ARRAY_SIZE            (0x1E0 >> 2)
  49 #define DP_AUDIO_REG_OFFSET                 (0xC000)
  50 #define DP_AUDIO_REG_ARRAY_SIZE             (0x50 >> 2)
  51 #define DP_CONTAINER_SIZE                   (0xC050)
  52
  53 struct PixmanPlane {
  54     pixman_format_code_t format;
  55     DisplaySurface *surface;
  56 };
  57
  58 struct XlnxDPState {
  59     /*< private >*/
  60     SysBusDevice parent_obj;
  61
  62     /* < public >*/
  63     MemoryRegion container;
  64
  65     uint32_t core_registers[DP_CORE_REG_ARRAY_SIZE];
  66     MemoryRegion core_iomem;
  67
  68     uint32_t avbufm_registers[DP_AVBUF_REG_ARRAY_SIZE];
  69     MemoryRegion avbufm_iomem;
  70
  71     uint32_t vblend_registers[DP_VBLEND_REG_ARRAY_SIZE];
  72     MemoryRegion vblend_iomem;
  73
  74     uint32_t audio_registers[DP_AUDIO_REG_ARRAY_SIZE];
  75     MemoryRegion audio_iomem;
  76
  77     QemuConsole *console;
  78
  79     /*
  80      * This is the planes used to display in console. When the blending is
  81      * enabled bout_plane is displayed in console else it's g_plane.
  82      */
  83     struct PixmanPlane g_plane;
  84     struct PixmanPlane v_plane;
  85     struct PixmanPlane bout_plane;
  86
  87     QEMUSoundCard aud_card;
  88     SWVoiceOut *amixer_output_stream;
  89     int16_t audio_buffer_0[AUD_CHBUF_MAX_DEPTH];
  90     int16_t audio_buffer_1[AUD_CHBUF_MAX_DEPTH];
  91     size_t audio_data_available[2];
  92     int64_t temp_buffer[AUD_CHBUF_MAX_DEPTH];
  93     int16_t out_buffer[AUD_CHBUF_MAX_DEPTH];
  94     size_t byte_left; /* byte available in out_buffer. */
  95     size_t data_ptr;  /* next byte to be sent to QEMU. */
  96
  97     /* Associated DPDMA controller. */
  98     XlnxDPDMAState *dpdma;
  99
 100     qemu_irq irq;
 101
 102     AUXBus *aux_bus;
 103     Fifo8 rx_fifo;
 104     Fifo8 tx_fifo;
 105
 106     /*
 107      * XXX: This should be in an other module.
 108      */
 109     DPCDState *dpcd;
 110     I2CDDCState *edid;
 111
 112     ptimer_state *vblank;
 113 };
 114
 115 #define TYPE_XLNX_DP "xlnx.v-dp"
 116 OBJECT_DECLARE_SIMPLE_TYPE(XlnxDPState, XLNX_DP)
 117
 118 #endif