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255 lines
10 KiB
C
255 lines
10 KiB
C
/* asi.h
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*
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* Shared header file for the Linux user-space API for
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* Linear Systems Ltd. DVB Master ASI interface boards.
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*
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* Copyright (C) 1999 Tony Bolger <d7v@indigo.ie>
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* Copyright (C) 2000-2009 Linear Systems Ltd.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions are met:
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*
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* 1. Redistributions of source code must retain the above copyright notice,
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* this list of conditions and the following disclaimer.
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*
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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*
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* 3. Neither the name of Linear Systems Ltd. nor the names of its
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* contributors may be used to endorse or promote products derived from
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* this software without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY LINEAR SYSTEMS LTD. "AS IS" AND ANY
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* EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL LINEAR SYSTEMS LTD. OR CONTRIBUTORS
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* BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY,
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* OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
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* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR
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* BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
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* WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
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* OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE,
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* EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*
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* Linear Systems can be contacted at <http://www.linsys.ca/>.
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*
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*/
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#ifndef _ASI_H
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#define _ASI_H
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/* Driver info */
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#define ASI_DRIVER_NAME "asi"
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#define ASI_MAJOR 61 /* Set to 0 for dynamic allocation.
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* Otherwise, 61 is available.
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* See /usr/src/linux/Documentation/devices.txt */
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#define ASI_TX_BUFFERS_MIN 2 /* This must be at least 2 */
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/* The minimum transmit buffer size must be positive, divisible by 8,
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* and large enough that the buffers aren't transferred to the onboard FIFOs
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* too quickly for the machine to handle the interrupts.
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* This is especially a problem at startup, when the FIFOs are empty.
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* Relevant factors include onboard FIFO size, PCI bus throughput,
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* processor speed, and interrupt latency. */
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#define ASI_TX_BUFSIZE_MIN 1024
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#define ASI_RX_BUFFERS_MIN 2 /* This must be at least 2 */
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#define ASI_RX_BUFSIZE_MIN 8 /* This must be positive and divisible by 8 */
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#define ASI_TX_BUFFERS 54 /* This must be at least 2 */
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#define ASI_TX_BUFSIZE 38352 /* This must be positive and divisible by 8 */
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#define ASI_RX_BUFFERS 54 /* This must be at least 2 */
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#define ASI_RX_BUFSIZE 38352 /* This must be positive and divisible by 8 */
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/* Ioctl () definitions */
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#define ASI_IOC_MAGIC '?' /* This ioctl magic number is currently free. See
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* /usr/src/linux/Documentation/ioctl-number.txt */
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#define ASI_IOC_TXGETCAP _IOR(ASI_IOC_MAGIC, 1, unsigned int)
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#define ASI_IOC_TXGETEVENTS _IOR(ASI_IOC_MAGIC, 2, unsigned int)
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#define ASI_IOC_TXGETBUFLEVEL _IOR(ASI_IOC_MAGIC, 3, unsigned int)
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#define ASI_IOC_TXSETSTUFFING _IOW(ASI_IOC_MAGIC, 4, struct asi_txstuffing)
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#define ASI_IOC_TXGETBYTECOUNT _IOR(ASI_IOC_MAGIC, 5, unsigned int)
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/* #define ASI_IOC_TXGETFIFO _IOR(ASI_IOC_MAGIC, 6, int) */
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#define ASI_IOC_TXGETTXD _IOR(ASI_IOC_MAGIC, 7, int)
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#define ASI_IOC_TXGET27COUNT _IOR(ASI_IOC_MAGIC, 8, unsigned int)
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/* Provide compatibility with applications compiled for older API */
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#define ASI_IOC_TXSETPID_DEPRECATED _IOR(ASI_IOC_MAGIC, 9, unsigned int)
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#define ASI_IOC_TXSETPID _IOW(ASI_IOC_MAGIC, 9, unsigned int)
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#define ASI_IOC_TXGETPCRSTAMP _IOR(ASI_IOC_MAGIC, 10, struct asi_pcrstamp)
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/* Provide compatibility with applications compiled for older API */
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#define ASI_IOC_TXCHANGENEXTIP_DEPRECATED _IOR(ASI_IOC_MAGIC, 11, int)
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#define ASI_IOC_TXCHANGENEXTIP _IOW(ASI_IOC_MAGIC, 11, int)
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#define ASI_IOC_RXGETCAP _IOR(ASI_IOC_MAGIC, 65, unsigned int)
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#define ASI_IOC_RXGETEVENTS _IOR(ASI_IOC_MAGIC, 66, unsigned int)
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#define ASI_IOC_RXGETBUFLEVEL _IOR(ASI_IOC_MAGIC, 67, unsigned int)
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/* #define ASI_IOC_RXSETREFRAME _IOW(ASI_IOC_MAGIC, 68, int) */
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#define ASI_IOC_RXGETSTATUS _IOR(ASI_IOC_MAGIC, 69, int)
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#define ASI_IOC_RXGETBYTECOUNT _IOR(ASI_IOC_MAGIC, 70, unsigned int)
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/* #define ASI_IOC_RXGETFIFO _IOR(ASI_IOC_MAGIC, 71, int) */
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#define ASI_IOC_RXSETINVSYNC _IOW(ASI_IOC_MAGIC, 72, int)
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#define ASI_IOC_RXGETCARRIER _IOR(ASI_IOC_MAGIC, 73, int)
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#define ASI_IOC_RXSETDSYNC _IOW(ASI_IOC_MAGIC, 74, int)
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#define ASI_IOC_RXGETRXD _IOR(ASI_IOC_MAGIC, 75, int)
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#define ASI_IOC_RXSETPF _IOW(ASI_IOC_MAGIC, 76, unsigned int [256])
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/* #define ASI_IOC_RXSETPFE _IOW(ASI_IOC_MAGIC, 77, int) */
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#define ASI_IOC_RXSETPID0 _IOW(ASI_IOC_MAGIC, 78, int)
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#define ASI_IOC_RXGETPID0COUNT _IOR(ASI_IOC_MAGIC, 79, unsigned int)
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#define ASI_IOC_RXSETPID1 _IOW(ASI_IOC_MAGIC, 80, int)
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#define ASI_IOC_RXGETPID1COUNT _IOR(ASI_IOC_MAGIC, 81, unsigned int)
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#define ASI_IOC_RXSETPID2 _IOW(ASI_IOC_MAGIC, 82, int)
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#define ASI_IOC_RXGETPID2COUNT _IOR(ASI_IOC_MAGIC, 83, unsigned int)
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#define ASI_IOC_RXSETPID3 _IOW(ASI_IOC_MAGIC, 84, int)
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#define ASI_IOC_RXGETPID3COUNT _IOR(ASI_IOC_MAGIC, 85, unsigned int)
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/* #define ASI_IOC_RXGETSTAMP _IOR(ASI_IOC_MAGIC, 86, unsigned int) */
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#define ASI_IOC_RXGET27COUNT _IOR(ASI_IOC_MAGIC, 87, unsigned int)
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#define ASI_IOC_RXGETSTATUS2 _IOR(ASI_IOC_MAGIC, 88, int)
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/* Provide compatibility with applications compiled for older API */
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#define ASI_IOC_RXSETINPUT_DEPRECATED _IOR(ASI_IOC_MAGIC, 89, int)
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#define ASI_IOC_RXSETINPUT _IOW(ASI_IOC_MAGIC, 89, int)
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#define ASI_IOC_RXGETRXD2 _IOR(ASI_IOC_MAGIC, 90, int)
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#define ASI_IOC_GETID _IOR(ASI_IOC_MAGIC, 129, unsigned int)
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#define ASI_IOC_GETVERSION _IOR(ASI_IOC_MAGIC, 130, unsigned int)
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/* Transmitter event flag bit locations */
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#define ASI_EVENT_TX_BUFFER_ORDER 0
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#define ASI_EVENT_TX_BUFFER (1 << ASI_EVENT_TX_BUFFER_ORDER)
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#define ASI_EVENT_TX_FIFO_ORDER 1
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#define ASI_EVENT_TX_FIFO (1 << ASI_EVENT_TX_FIFO_ORDER)
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#define ASI_EVENT_TX_DATA_ORDER 2
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#define ASI_EVENT_TX_DATA (1 << ASI_EVENT_TX_DATA_ORDER)
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/* Receiver event flag bit locations */
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#define ASI_EVENT_RX_BUFFER_ORDER 0
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#define ASI_EVENT_RX_BUFFER (1 << ASI_EVENT_RX_BUFFER_ORDER)
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#define ASI_EVENT_RX_FIFO_ORDER 1
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#define ASI_EVENT_RX_FIFO (1 << ASI_EVENT_RX_FIFO_ORDER)
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#define ASI_EVENT_RX_CARRIER_ORDER 2
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#define ASI_EVENT_RX_CARRIER (1 << ASI_EVENT_RX_CARRIER_ORDER)
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#define ASI_EVENT_RX_AOS_ORDER 3
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#define ASI_EVENT_RX_AOS (1 << ASI_EVENT_RX_AOS_ORDER)
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#define ASI_EVENT_RX_LOS_ORDER 4
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#define ASI_EVENT_RX_LOS (1 << ASI_EVENT_RX_LOS_ORDER)
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#define ASI_EVENT_RX_DATA_ORDER 5
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#define ASI_EVENT_RX_DATA (1 << ASI_EVENT_RX_DATA_ORDER)
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/**
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* asi_txstuffing - Transmitter stuffing parameters
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* @ib: interbyte stuffing
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* @ip: interpacket stuffing
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* @normal_ip: FT0
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* @big_ip: FT1
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* @il_normal: IL0
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* @il_big: IL1
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**/
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struct asi_txstuffing {
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/* Number of K28.5 characters to insert between packet bytes */
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unsigned int ib;
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/* Base number of K28.5 characters to insert between packets,
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* not including the two required by ASI */
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unsigned int ip;
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/* Number of packets with (ip) bytes of interpacket stuffing
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* per finetuning cycle */
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unsigned int normal_ip;
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/* Number of packets with (ip + 1) bytes of interpacket stuffing
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* per finetuning cycle */
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unsigned int big_ip;
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/* Number of packets with (ip) bytes of interpacket stuffing
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* per interleaved finetuning cycle */
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unsigned int il_normal;
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/* Number of packets with (ip + 1) bytes of interpacket stuffing
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* per interleaved finetuning cycle */
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unsigned int il_big;
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};
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/**
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* asi_pcrstamp - PCR - departure time pair
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* @adaptation_field_length: adaptation field length
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* @adaptation_field_flags: adaptation field flags
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* @PCR: a program clock reference
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* @count: departure time of this PCR, in 1 / 27 MHz
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**/
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struct asi_pcrstamp {
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unsigned char adaptation_field_length;
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unsigned char adaptation_field_flags;
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unsigned char PCR[6];
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long long int count;
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};
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/* Interface capabilities */
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#define ASI_CAP_TX_MAKE204 0x00000004
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#define ASI_CAP_TX_FINETUNING 0x00000008
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#define ASI_CAP_TX_BYTECOUNTER 0x00000010
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#define ASI_CAP_TX_SETCLKSRC 0x00000020
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#define ASI_CAP_TX_FIFOUNDERRUN 0x00000040
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#define ASI_CAP_TX_LARGEIB 0x00000080
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#define ASI_CAP_TX_INTERLEAVING 0x00000100
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#define ASI_CAP_TX_DATA 0x00000200
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#define ASI_CAP_TX_RXCLKSRC 0x00000400
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/* #define ASI_CAP_TX_COMPOSITEREF 0x00000800 */
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#define ASI_CAP_TX_PCRSTAMP 0x00001000
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#define ASI_CAP_TX_CHANGENEXTIP 0x00002000
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#define ASI_CAP_TX_27COUNTER 0x00004000
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#define ASI_CAP_TX_BYTESOR27 0x00008000
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#define ASI_CAP_TX_TIMESTAMPS 0x00010000
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#define ASI_CAP_TX_PTIMESTAMPS 0x00020000
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#define ASI_CAP_TX_NULLPACKETS 0x00040000
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#define ASI_CAP_RX_SYNC 0x00000004
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#define ASI_CAP_RX_MAKE188 0x00000008
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#define ASI_CAP_RX_BYTECOUNTER 0x00000010
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/* #define ASI_CAP_RX_FIFOSTATUS 0x00000020 */
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#define ASI_CAP_RX_INVSYNC 0x00000040
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#define ASI_CAP_RX_CD 0x00000080
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#define ASI_CAP_RX_DSYNC 0x00000100
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#define ASI_CAP_RX_DATA 0x00000200
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#define ASI_CAP_RX_PIDFILTER 0x00000400
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#define ASI_CAP_RX_PIDCOUNTER 0x00000800
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#define ASI_CAP_RX_4PIDCOUNTER 0x00001000
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#define ASI_CAP_RX_FORCEDMA 0x00002000
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#define ASI_CAP_RX_27COUNTER 0x00004000
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#define ASI_CAP_RX_BYTESOR27 0x00008000
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#define ASI_CAP_RX_TIMESTAMPS 0x00010000
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#define ASI_CAP_RX_PTIMESTAMPS 0x00020000
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#define ASI_CAP_RX_NULLPACKETS 0x00040000
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#define ASI_CAP_RX_REDUNDANT 0x00080000
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#define ASI_CAP_RX_DATA2 0x00100000
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/* Transmitter clock source settings */
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#define ASI_CTL_TX_CLKSRC_ONBOARD 0
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#define ASI_CTL_TX_CLKSRC_EXT 1
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#define ASI_CTL_TX_CLKSRC_RX 2
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/* #define ASI_CTL_TX_CLKSRC_EXT_PAL 3 */
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/* Transmitter mode settings */
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#define ASI_CTL_TX_MODE_188 0
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#define ASI_CTL_TX_MODE_204 1
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#define ASI_CTL_TX_MODE_MAKE204 2
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/* Receiver mode settings */
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#define ASI_CTL_RX_MODE_RAW 0
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#define ASI_CTL_RX_MODE_188 1
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#define ASI_CTL_RX_MODE_204 2
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#define ASI_CTL_RX_MODE_AUTO 3
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#define ASI_CTL_RX_MODE_AUTOMAKE188 4
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#define ASI_CTL_RX_MODE_204MAKE188 5
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/* Timestamping settings */
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#define ASI_CTL_TSTAMP_NONE 0
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#define ASI_CTL_TSTAMP_APPEND 1
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#define ASI_CTL_TSTAMP_PREPEND 2
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/* Transport settings */
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#define ASI_CTL_TRANSPORT_DVB_ASI 0
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#define ASI_CTL_TRANSPORT_SMPTE_310M 1
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#endif
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