| 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/core/sysbus.h" |
| 19 | #include "chardev/char-fe.h" |
| 20 | #include "qom/object.h" |
| 21 | |
| 22 | #define TYPE_PL011 "pl011" |
| 23 | OBJECT_DECLARE_SIMPLE_TYPE(PL011State, PL011) |
| 24 | |
| 25 | /* This shares the same struct (and cast macro) as the base pl011 device */ |
| 26 | #define TYPE_PL011_LUMINARY "pl011_luminary" |
| 27 | |
| 28 | /* Depth of UART FIFO in bytes, when FIFO mode is enabled (else depth == 1) */ |
| 29 | #define PL011_FIFO_DEPTH 16 |
| 30 | |
| 31 | struct PL011State { |
| 32 | SysBusDevice parent_obj; |
| 33 | |
| 34 | MemoryRegion iomem; |
| 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[PL011_FIFO_DEPTH]; |
| 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 | CharFrontend chr; |
| 51 | qemu_irq irq[6]; |
| 52 | Clock *clk; |
| 53 | bool migrate_clk; |
| 54 | bool logged_disabled_uart; |
| 55 | const unsigned char *id; |
| 56 | /* |
| 57 | * Since some users embed this struct directly, we must |
| 58 | * ensure that the C struct is at least as big as the Rust one. |
| 59 | */ |
| 60 | uint8_t padding_for_rust[16]; |
| 61 | }; |
| 62 | |
| 63 | DeviceState *pl011_create(hwaddr addr, qemu_irq irq, Chardev *chr); |
| 64 | |
| 65 | #endif |