LXR qemu/include/hw/char/pl011.h

   1/*
   2 * This program is free software; you can redistribute it and/or modify it
   3 * under the terms and conditions of the GNU General Public License,
   4 * version 2 or later, as published by the Free Software Foundation.
   5 *
   6 * This program is distributed in the hope it will be useful, but WITHOUT
   7 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
   8 * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License for
   9 * more details.
  10 *
  11 * You should have received a copy of the GNU General Public License along with
  12 * this program.  If not, see <http://www.gnu.org/licenses/>.
  13 */
  14
  15#ifndef HW_PL011_H
  16#define HW_PL011_H
  17
  18#include "hw/sysbus.h"
  19#include "chardev/char-fe.h"
  20
  21#define TYPE_PL011 "pl011"
  22#define PL011(obj) OBJECT_CHECK(PL011State, (obj), TYPE_PL011)
  23
  24/* This shares the same struct (and cast macro) as the base pl011 device */
  25#define TYPE_PL011_LUMINARY "pl011_luminary"
  26
  27typedef struct PL011State {
  28    SysBusDevice parent_obj;
  29
  30    MemoryRegion iomem;
  31    uint32_t readbuff;
  32    uint32_t flags;
  33    uint32_t lcr;
  34    uint32_t rsr;
  35    uint32_t cr;
  36    uint32_t dmacr;
  37    uint32_t int_enabled;
  38    uint32_t int_level;
  39    uint32_t read_fifo[16];
  40    uint32_t ilpr;
  41    uint32_t ibrd;
  42    uint32_t fbrd;
  43    uint32_t ifl;
  44    int read_pos;
  45    int read_count;
  46    int read_trigger;
  47    CharBackend chr;
  48    qemu_irq irq[6];
  49    const unsigned char *id;
  50} PL011State;
  51
  52static inline DeviceState *pl011_create(hwaddr addr,
  53                                        qemu_irq irq,
  54                                        Chardev *chr)
  55{
  56    DeviceState *dev;
  57    SysBusDevice *s;
  58
  59    dev = qdev_create(NULL, "pl011");
  60    s = SYS_BUS_DEVICE(dev);
  61    qdev_prop_set_chr(dev, "chardev", chr);
  62    qdev_init_nofail(dev);
  63    sysbus_mmio_map(s, 0, addr);
  64    sysbus_connect_irq(s, 0, irq);
  65
  66    return dev;
  67}
  68
  69static inline DeviceState *pl011_luminary_create(hwaddr addr,
  70                                                 qemu_irq irq,
  71                                                 Chardev *chr)
  72{
  73    DeviceState *dev;
  74    SysBusDevice *s;
  75
  76    dev = qdev_create(NULL, "pl011_luminary");
  77    s = SYS_BUS_DEVICE(dev);
  78    qdev_prop_set_chr(dev, "chardev", chr);
  79    qdev_init_nofail(dev);
  80    sysbus_mmio_map(s, 0, addr);
  81    sysbus_connect_irq(s, 0, irq);
  82
  83    return dev;
  84}
  85
  86#endif
  87