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 #include <linux/device.h> 24 25 #define PNX8XXX_NR_PORTS 2 26 27 struct pnx8xxx_port { 28 struct uart_port port; 29 struct timer_list timer; 30 unsigned int old_status; 31 }; 32 33 /* register offsets */ 34 #define PNX8XXX_LCR 0 35 #define PNX8XXX_MCR 0x004 36 #define PNX8XXX_BAUD 0x008 37 #define PNX8XXX_CFG 0x00c 38 #define PNX8XXX_FIFO 0x028 39 #define PNX8XXX_ISTAT 0xfe0 40 #define PNX8XXX_IEN 0xfe4 41 #define PNX8XXX_ICLR 0xfe8 42 #define PNX8XXX_ISET 0xfec 43 #define PNX8XXX_PD 0xff4 44 #define PNX8XXX_MID 0xffc 45 46 #define PNX8XXX_UART_LCR_TXBREAK (1<<30) 47 #define PNX8XXX_UART_LCR_PAREVN 0x10000000 48 #define PNX8XXX_UART_LCR_PAREN 0x08000000 49 #define PNX8XXX_UART_LCR_2STOPB 0x04000000 50 #define PNX8XXX_UART_LCR_8BIT 0x01000000 51 #define PNX8XXX_UART_LCR_TX_RST 0x00040000 52 #define PNX8XXX_UART_LCR_RX_RST 0x00020000 53 #define PNX8XXX_UART_LCR_RX_NEXT 0x00010000 54 55 #define PNX8XXX_UART_MCR_SCR 0xFF000000 56 #define PNX8XXX_UART_MCR_DCD 0x00800000 57 #define PNX8XXX_UART_MCR_CTS 0x00100000 58 #define PNX8XXX_UART_MCR_LOOP 0x00000010 59 #define PNX8XXX_UART_MCR_RTS 0x00000002 60 #define PNX8XXX_UART_MCR_DTR 0x00000001 61 62 #define PNX8XXX_UART_INT_TX 0x00000080 63 #define PNX8XXX_UART_INT_EMPTY 0x00000040 64 #define PNX8XXX_UART_INT_RCVTO 0x00000020 65 #define PNX8XXX_UART_INT_RX 0x00000010 66 #define PNX8XXX_UART_INT_RXOVRN 0x00000008 67 #define PNX8XXX_UART_INT_FRERR 0x00000004 68 #define PNX8XXX_UART_INT_BREAK 0x00000002 69 #define PNX8XXX_UART_INT_PARITY 0x00000001 70 #define PNX8XXX_UART_INT_ALLRX 0x0000003F 71 #define PNX8XXX_UART_INT_ALLTX 0x000000C0 72 73 #define PNX8XXX_UART_FIFO_TXFIFO 0x001F0000 74 #define PNX8XXX_UART_FIFO_TXFIFO_STA (0x1f<<16) 75 #define PNX8XXX_UART_FIFO_RXBRK 0x00008000 76 #define PNX8XXX_UART_FIFO_RXFE 0x00004000 77 #define PNX8XXX_UART_FIFO_RXPAR 0x00002000 78 #define PNX8XXX_UART_FIFO_RXFIFO 0x00001F00 79 #define PNX8XXX_UART_FIFO_RBRTHR 0x000000FF 80 81 #endif 82