1/*
2 * Embedded Alley Solutions, source@embeddedalley.com.
3 *
4 * This program is free software; you can redistribute it and/or modify
5 * it under the terms of the GNU General Public License as published by
6 * the Free Software Foundation; either version 2 of the License, or
7 * (at your option) any later version.
8 *
9 * This program is distributed in the hope that it will be useful,
10 * but WITHOUT ANY WARRANTY; without even the implied warranty of
11 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
12 * GNU General Public License for more details.
13 *
14 * You should have received a copy of the GNU General Public License
15 * along with this program; if not, write to the Free Software
16 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
17 */
18
19#ifndef _LINUX_SERIAL_PNX8XXX_H
20#define _LINUX_SERIAL_PNX8XXX_H
21
22#include <linux/serial_core.h>
23
24#define PNX8XXX_NR_PORTS	2
25
26struct pnx8xxx_port {
27	struct uart_port	port;
28	struct timer_list	timer;
29	unsigned int		old_status;
30};
31
32/* register offsets */
33#define PNX8XXX_LCR		0
34#define PNX8XXX_MCR		0x004
35#define PNX8XXX_BAUD		0x008
36#define PNX8XXX_CFG		0x00c
37#define PNX8XXX_FIFO		0x028
38#define PNX8XXX_ISTAT		0xfe0
39#define PNX8XXX_IEN		0xfe4
40#define PNX8XXX_ICLR		0xfe8
41#define PNX8XXX_ISET		0xfec
42#define PNX8XXX_PD		0xff4
43#define PNX8XXX_MID		0xffc
44
45#define PNX8XXX_UART_LCR_TXBREAK	(1<<30)
46#define PNX8XXX_UART_LCR_PAREVN		0x10000000
47#define PNX8XXX_UART_LCR_PAREN		0x08000000
48#define PNX8XXX_UART_LCR_2STOPB		0x04000000
49#define PNX8XXX_UART_LCR_8BIT		0x01000000
50#define PNX8XXX_UART_LCR_TX_RST		0x00040000
51#define PNX8XXX_UART_LCR_RX_RST		0x00020000
52#define PNX8XXX_UART_LCR_RX_NEXT	0x00010000
53
54#define PNX8XXX_UART_MCR_SCR		0xFF000000
55#define PNX8XXX_UART_MCR_DCD		0x00800000
56#define PNX8XXX_UART_MCR_CTS		0x00100000
57#define PNX8XXX_UART_MCR_LOOP		0x00000010
58#define PNX8XXX_UART_MCR_RTS		0x00000002
59#define PNX8XXX_UART_MCR_DTR		0x00000001
60
61#define PNX8XXX_UART_INT_TX		0x00000080
62#define PNX8XXX_UART_INT_EMPTY		0x00000040
63#define PNX8XXX_UART_INT_RCVTO		0x00000020
64#define PNX8XXX_UART_INT_RX		0x00000010
65#define PNX8XXX_UART_INT_RXOVRN		0x00000008
66#define PNX8XXX_UART_INT_FRERR		0x00000004
67#define PNX8XXX_UART_INT_BREAK		0x00000002
68#define PNX8XXX_UART_INT_PARITY		0x00000001
69#define PNX8XXX_UART_INT_ALLRX		0x0000003F
70#define PNX8XXX_UART_INT_ALLTX		0x000000C0
71
72#define PNX8XXX_UART_FIFO_TXFIFO	0x001F0000
73#define PNX8XXX_UART_FIFO_TXFIFO_STA	(0x1f<<16)
74#define PNX8XXX_UART_FIFO_RXBRK		0x00008000
75#define PNX8XXX_UART_FIFO_RXFE		0x00004000
76#define PNX8XXX_UART_FIFO_RXPAR		0x00002000
77#define PNX8XXX_UART_FIFO_RXFIFO	0x00001F00
78#define PNX8XXX_UART_FIFO_RBRTHR	0x000000FF
79
80#endif
81