47 lines
1015 B
C
47 lines
1015 B
C
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/* SPDX-License-Identifier: GPL-2.0-or-later */
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/*
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Mantis PCI bridge driver
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Copyright (C) Manu Abraham (abraham.manu@gmail.com)
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*/
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#ifndef __MANTIS_UART_H
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#define __MANTIS_UART_H
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#define MANTIS_UART_CTL 0xe0
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#define MANTIS_UART_RXINT (1 << 4)
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#define MANTIS_UART_RXFLUSH (1 << 2)
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#define MANTIS_UART_RXD 0xe8
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#define MANTIS_UART_BAUD 0xec
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#define MANTIS_UART_STAT 0xf0
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#define MANTIS_UART_RXFIFO_DATA (1 << 7)
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#define MANTIS_UART_RXFIFO_EMPTY (1 << 6)
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#define MANTIS_UART_RXFIFO_FULL (1 << 3)
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#define MANTIS_UART_FRAME_ERR (1 << 2)
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#define MANTIS_UART_PARITY_ERR (1 << 1)
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#define MANTIS_UART_RXTHRESH_INT (1 << 0)
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enum mantis_baud {
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MANTIS_BAUD_9600 = 0,
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MANTIS_BAUD_19200,
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MANTIS_BAUD_38400,
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MANTIS_BAUD_57600,
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MANTIS_BAUD_115200
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};
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enum mantis_parity {
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MANTIS_PARITY_NONE = 0,
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MANTIS_PARITY_EVEN,
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MANTIS_PARITY_ODD,
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};
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struct mantis_pci;
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extern int mantis_uart_init(struct mantis_pci *mantis);
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extern void mantis_uart_exit(struct mantis_pci *mantis);
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#endif /* __MANTIS_UART_H */
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