LXR qemu/include/hw/ssi/xilinx

   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
  31typedef struct XilinxSPIPS XilinxSPIPS;
  32
  33#define XLNX_SPIPS_R_MAX        (0x100 / 4)
  34
  35struct 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 */
  73