LXR qemu/include/hw/display/xlnx

   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
  46struct PixmanPlane {
  47    pixman_format_code_t format;
  48    DisplaySurface *surface;
  49};
  50
  51typedef 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
 110