qemu

FORK: QEMU emulator
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xlnx_dp.h (3417B)

      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