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 DECLARE_INSTANCE_CHECKER(PL011State, PL011,
  27                          TYPE_PL011)
  28
  29 /* This shares the same struct (and cast macro) as the base pl011 device */
  30 #define TYPE_PL011_LUMINARY "pl011_luminary"
  31
  32 struct PL011State {
  33     SysBusDevice parent_obj;
  34
  35     MemoryRegion iomem;
  36     uint32_t readbuff;
  37     uint32_t flags;
  38     uint32_t lcr;
  39     uint32_t rsr;
  40     uint32_t cr;
  41     uint32_t dmacr;
  42     uint32_t int_enabled;
  43     uint32_t int_level;
  44     uint32_t read_fifo[16];
  45     uint32_t ilpr;
  46     uint32_t ibrd;
  47     uint32_t fbrd;
  48     uint32_t ifl;
  49     int read_pos;
  50     int read_count;
  51     int read_trigger;
  52     CharBackend chr;
  53     qemu_irq irq[6];
  54     const unsigned char *id;
  55 };
  56
  57 static 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
  74 static 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