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
  27 typedef 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
  52 static 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
  69 static 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