include/hw/ssi/xilinx_spips.h

   1 /*
   2  * Header file for the Xilinx Zynq SPI controller
   3  *
   4  * Copyright (C) 2015 Xilinx Inc
   5  *
   6  * Permission is hereby granted, free of charge, to any person obtaining a copy
   7  * of this software and associated documentation files (the "Software"), to deal
   8  * in the Software without restriction, including without limitation the rights
   9  * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
  10  * copies of the Software, and to permit persons to whom the Software is
  11  * furnished to do so, subject to the following conditions:
  12  *
  13  * The above copyright notice and this permission notice shall be included in
  14  * all copies or substantial portions of the Software.
  15  *
  16  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
  17  * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
  18  * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
  19  * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
  20  * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
  21  * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
  22  * THE SOFTWARE.
  23  */
  24
  25 #ifndef XILINX_SPIPS_H
  26 #define XILINX_SPIPS_H
  27
  28 #include "hw/ssi/ssi.h"
  29 #include "qemu/fifo8.h"
  30
  31 typedef struct XilinxSPIPS XilinxSPIPS;
  32
  33 #define XLNX_SPIPS_R_MAX        (0x100 / 4)
  34
  35 struct XilinxSPIPS {
  36     SysBusDevice parent_obj;
  37
  38     MemoryRegion iomem;
  39     MemoryRegion mmlqspi;
  40
  41     qemu_irq irq;
  42     int irqline;
  43
  44     uint8_t num_cs;
  45     uint8_t num_busses;
  46
  47     uint8_t snoop_state;
  48     qemu_irq *cs_lines;
  49     SSIBus **spi;
  50
  51     Fifo8 rx_fifo;
  52     Fifo8 tx_fifo;
  53
  54     uint8_t num_txrx_bytes;
  55
  56     uint32_t regs[XLNX_SPIPS_R_MAX];
  57 };
  58
  59 #define TYPE_XILINX_SPIPS "xlnx.ps7-spi"
  60 #define TYPE_XILINX_QSPIPS "xlnx.ps7-qspi"
  61
  62 #define XILINX_SPIPS(obj) \
  63      OBJECT_CHECK(XilinxSPIPS, (obj), TYPE_XILINX_SPIPS)
  64 #define XILINX_SPIPS_CLASS(klass) \
  65      OBJECT_CLASS_CHECK(XilinxSPIPSClass, (klass), TYPE_XILINX_SPIPS)
  66 #define XILINX_SPIPS_GET_CLASS(obj) \
  67      OBJECT_GET_CLASS(XilinxSPIPSClass, (obj), TYPE_XILINX_SPIPS)
  68
  69 #define XILINX_QSPIPS(obj) \
  70      OBJECT_CHECK(XilinxQSPIPS, (obj), TYPE_XILINX_QSPIPS)
  71
  72 #endif /* XILINX_SPIPS_H */