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9e5f172190
We cap bitrate at YAM_MAXBITRATE in yam_ioctl(), but it could also be negative. I don't know the impact of using a negative bitrate but let's prevent it. Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com> Signed-off-by: David S. Miller <davem@davemloft.net>
83 lines
2.8 KiB
C
83 lines
2.8 KiB
C
/*****************************************************************************/
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/*
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* yam.h -- YAM radio modem driver.
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*
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* Copyright (C) 1998 Frederic Rible F1OAT (frible@teaser.fr)
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* Adapted from baycom.c driver written by Thomas Sailer (sailer@ife.ee.ethz.ch)
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
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*
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* Please note that the GPL allows you to use the driver, NOT the radio.
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* In order to use the radio, you need a license from the communications
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* authority of your country.
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*
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*
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*/
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/*****************************************************************************/
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#define SIOCYAMRESERVED (0)
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#define SIOCYAMSCFG (1) /* Set configuration */
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#define SIOCYAMGCFG (2) /* Get configuration */
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#define SIOCYAMSMCS (3) /* Set mcs data */
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#define YAM_IOBASE (1 << 0)
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#define YAM_IRQ (1 << 1)
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#define YAM_BITRATE (1 << 2) /* Bit rate of radio port ->57600 */
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#define YAM_MODE (1 << 3) /* 0=simplex 1=duplex 2=duplex+tempo */
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#define YAM_HOLDDLY (1 << 4) /* duplex tempo (sec) */
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#define YAM_TXDELAY (1 << 5) /* Tx Delay (ms) */
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#define YAM_TXTAIL (1 << 6) /* Tx Tail (ms) */
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#define YAM_PERSIST (1 << 7) /* Persist (ms) */
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#define YAM_SLOTTIME (1 << 8) /* Slottime (ms) */
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#define YAM_BAUDRATE (1 << 9) /* Baud rate of rs232 port ->115200 */
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#define YAM_MAXBITRATE 57600
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#define YAM_MAXBAUDRATE 115200
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#define YAM_MAXMODE 2
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#define YAM_MAXHOLDDLY 99
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#define YAM_MAXTXDELAY 999
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#define YAM_MAXTXTAIL 999
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#define YAM_MAXPERSIST 255
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#define YAM_MAXSLOTTIME 999
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#define YAM_FPGA_SIZE 5302
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struct yamcfg {
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unsigned int mask; /* Mask of commands */
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unsigned int iobase; /* IO Base of COM port */
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unsigned int irq; /* IRQ of COM port */
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unsigned int bitrate; /* Bit rate of radio port */
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unsigned int baudrate; /* Baud rate of the RS232 port */
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unsigned int txdelay; /* TxDelay */
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unsigned int txtail; /* TxTail */
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unsigned int persist; /* Persistence */
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unsigned int slottime; /* Slottime */
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unsigned int mode; /* mode 0 (simp), 1(Dupl), 2(Dupl+delay) */
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unsigned int holddly; /* PTT delay in FullDuplex 2 mode */
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};
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struct yamdrv_ioctl_cfg {
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int cmd;
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struct yamcfg cfg;
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};
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struct yamdrv_ioctl_mcs {
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int cmd;
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unsigned int bitrate;
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unsigned char bits[YAM_FPGA_SIZE];
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};
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