root/include/linux/serial_pnx8xxx.h

/*
 * Embedded Alley Solutions, source@embeddedalley.com.
 *
 * This program is free software; you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation; either version 2 of the License, or
 * (at your option) any later version.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with this program; if not, write to the Free Software
 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
 */

#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