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