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/* SPDX-License-Identifier: GPL-2.0-or-later */
/*
* Embedded Alley Solutions, source@embeddedalley.com.
*/
#ifndef _LINUX_SERIAL_PNX8XXX_H
#define _LINUX_SERIAL_PNX8XXX_H
#include <linux/serial_core.h>
#define PNX8XXX_NR_PORTS 2
struct pnx8xxx_port {
struct uart_port port;
struct timer_list timer;
unsigned int old_status;
};
/* register offsets */
#define PNX8XXX_LCR 0
#define PNX8XXX_MCR 0x004
#define PNX8XXX_BAUD 0x008
#define PNX8XXX_CFG 0x00c
#define PNX8XXX_FIFO 0x028
#define PNX8XXX_ISTAT 0xfe0
#define PNX8XXX_IEN 0xfe4
#define PNX8XXX_ICLR 0xfe8
#define PNX8XXX_ISET 0xfec
#define PNX8XXX_PD 0xff4
#define PNX8XXX_MID 0xffc
#define PNX8XXX_UART_LCR_TXBREAK (1<<30)
#define PNX8XXX_UART_LCR_PAREVN 0x10000000
#define PNX8XXX_UART_LCR_PAREN 0x08000000
#define PNX8XXX_UART_LCR_2STOPB 0x04000000
#define PNX8XXX_UART_LCR_8BIT 0x01000000
#define PNX8XXX_UART_LCR_TX_RST 0x00040000
#define PNX8XXX_UART_LCR_RX_RST 0x00020000
#define PNX8XXX_UART_LCR_RX_NEXT 0x00010000
#define PNX8XXX_UART_MCR_SCR 0xFF000000
#define PNX8XXX_UART_MCR_DCD 0x00800000
#define PNX8XXX_UART_MCR_CTS 0x00100000
#define PNX8XXX_UART_MCR_LOOP 0x00000010
#define PNX8XXX_UART_MCR_RTS 0x00000002
#define PNX8XXX_UART_MCR_DTR 0x00000001
#define PNX8XXX_UART_INT_TX 0x00000080
#define PNX8XXX_UART_INT_EMPTY 0x00000040
#define PNX8XXX_UART_INT_RCVTO 0x00000020
#define PNX8XXX_UART_INT_RX 0x00000010
#define PNX8XXX_UART_INT_RXOVRN 0x00000008
#define PNX8XXX_UART_INT_FRERR 0x00000004
#define PNX8XXX_UART_INT_BREAK 0x00000002
#define PNX8XXX_UART_INT_PARITY 0x00000001
#define PNX8XXX_UART_INT_ALLRX 0x0000003F
#define PNX8XXX_UART_INT_ALLTX 0x000000C0
#define PNX8XXX_UART_FIFO_TXFIFO 0x001F0000
#define PNX8XXX_UART_FIFO_TXFIFO_STA (0x1f<<16)
#define PNX8XXX_UART_FIFO_RXBRK 0x00008000
#define PNX8XXX_UART_FIFO_RXFE 0x00004000
#define PNX8XXX_UART_FIFO_RXPAR 0x00002000
#define PNX8XXX_UART_FIFO_RXFIFO 0x00001F00
#define PNX8XXX_UART_FIFO_RBRTHR 0x000000FF
#endif
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