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/qdev-properties.h"
  19#include "hw/sysbus.h"
  20#include "chardev/char-fe.h"
  21#include "qapi/error.h"
  22#include "qom/object.h"
  23
  24#define TYPE_PL011 "pl011"
  25OBJECT_DECLARE_SIMPLE_TYPE(PL011State, PL011)
  26
  27/* This shares the same struct (and cast macro) as the base pl011 device */
  28#define TYPE_PL011_LUMINARY "pl011_luminary"
  29
  30struct PL011State {
  31    SysBusDevice parent_obj;
  32
  33    MemoryRegion iomem;
  34    uint32_t readbuff;
  35    uint32_t flags;
  36    uint32_t lcr;
  37    uint32_t rsr;
  38    uint32_t cr;
  39    uint32_t dmacr;
  40    uint32_t int_enabled;
  41    uint32_t int_level;
  42    uint32_t read_fifo[16];
  43    uint32_t ilpr;
  44    uint32_t ibrd;
  45    uint32_t fbrd;
  46    uint32_t ifl;
  47    int read_pos;
  48    int read_count;
  49    int read_trigger;
  50    CharBackend chr;
  51    qemu_irq irq[6];
  52    Clock *clk;
  53    bool migrate_clk;
  54    const unsigned char *id;
  55};
  56
  57static inline DeviceState *pl011_create(hwaddr addr,
  58                                        qemu_irq irq,
  59                                        Chardev *chr)
  60{
  61    DeviceState *dev;
  62    SysBusDevice *s;
  63
  64    dev = qdev_new("pl011");
  65    s = SYS_BUS_DEVICE(dev);
  66    qdev_prop_set_chr(dev, "chardev", chr);
  67    sysbus_realize_and_unref(s, &error_fatal);
  68    sysbus_mmio_map(s, 0, addr);
  69    sysbus_connect_irq(s, 0, irq);
  70
  71    return dev;
  72}
  73
  74static inline DeviceState *pl011_luminary_create(hwaddr addr,
  75                                                 qemu_irq irq,
  76                                                 Chardev *chr)
  77{
  78    DeviceState *dev;
  79    SysBusDevice *s;
  80
  81    dev = qdev_new("pl011_luminary");
  82    s = SYS_BUS_DEVICE(dev);
  83    qdev_prop_set_chr(dev, "chardev", chr);
  84    sysbus_realize_and_unref(s, &error_fatal);
  85    sysbus_mmio_map(s, 0, addr);
  86    sysbus_connect_irq(s, 0, irq);
  87
  88    return dev;
  89}
  90
  91#endif
  92