summaryrefslogtreecommitdiff
path: root/hw/serial.h
diff options
context:
space:
mode:
Diffstat (limited to 'hw/serial.h')
-rw-r--r--hw/serial.h101
1 files changed, 0 insertions, 101 deletions
diff --git a/hw/serial.h b/hw/serial.h
deleted file mode 100644
index e884499607..0000000000
--- a/hw/serial.h
+++ /dev/null
@@ -1,101 +0,0 @@
-/*
- * QEMU 16550A UART emulation
- *
- * Copyright (c) 2003-2004 Fabrice Bellard
- * Copyright (c) 2008 Citrix Systems, Inc.
- *
- * Permission is hereby granted, free of charge, to any person obtaining a copy
- * of this software and associated documentation files (the "Software"), to deal
- * in the Software without restriction, including without limitation the rights
- * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
- * copies of the Software, and to permit persons to whom the Software is
- * furnished to do so, subject to the following conditions:
- *
- * The above copyright notice and this permission notice shall be included in
- * all copies or substantial portions of the Software.
- *
- * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
- * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
- * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
- * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
- * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
- * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
- * THE SOFTWARE.
- */
-#ifndef HW_SERIAL_H
-#define HW_SERIAL_H 1
-
-#include "hw/hw.h"
-#include "sysemu/sysemu.h"
-#include "exec/memory.h"
-
-#define UART_FIFO_LENGTH 16 /* 16550A Fifo Length */
-
-typedef struct SerialFIFO {
- uint8_t data[UART_FIFO_LENGTH];
- uint8_t count;
- uint8_t itl; /* Interrupt Trigger Level */
- uint8_t tail;
- uint8_t head;
-} SerialFIFO;
-
-struct SerialState {
- uint16_t divider;
- uint8_t rbr; /* receive register */
- uint8_t thr; /* transmit holding register */
- uint8_t tsr; /* transmit shift register */
- uint8_t ier;
- uint8_t iir; /* read only */
- uint8_t lcr;
- uint8_t mcr;
- uint8_t lsr; /* read only */
- uint8_t msr; /* read only */
- uint8_t scr;
- uint8_t fcr;
- uint8_t fcr_vmstate; /* we can't write directly this value
- it has side effects */
- /* NOTE: this hidden state is necessary for tx irq generation as
- it can be reset while reading iir */
- int thr_ipending;
- qemu_irq irq;
- CharDriverState *chr;
- int last_break_enable;
- int it_shift;
- int baudbase;
- int tsr_retry;
- uint32_t wakeup;
-
- /* Time when the last byte was successfully sent out of the tsr */
- uint64_t last_xmit_ts;
- SerialFIFO recv_fifo;
- SerialFIFO xmit_fifo;
-
- struct QEMUTimer *fifo_timeout_timer;
- int timeout_ipending; /* timeout interrupt pending state */
-
- uint64_t char_transmit_time; /* time to transmit a char in ticks */
- int poll_msl;
-
- struct QEMUTimer *modem_status_poll;
- MemoryRegion io;
-};
-
-extern const VMStateDescription vmstate_serial;
-extern const MemoryRegionOps serial_io_ops;
-
-void serial_init_core(SerialState *s);
-void serial_exit_core(SerialState *s);
-void serial_set_frequency(SerialState *s, uint32_t frequency);
-
-/* legacy pre qom */
-SerialState *serial_init(int base, qemu_irq irq, int baudbase,
- CharDriverState *chr, MemoryRegion *system_io);
-SerialState *serial_mm_init(MemoryRegion *address_space,
- hwaddr base, int it_shift,
- qemu_irq irq, int baudbase,
- CharDriverState *chr, enum device_endian end);
-
-/* serial-isa.c */
-bool serial_isa_init(ISABus *bus, int index, CharDriverState *chr);
-
-#endif