| Current Path : /sys/dev/bktr/ |
FreeBSD hs32.drive.ne.jp 9.1-RELEASE FreeBSD 9.1-RELEASE #1: Wed Jan 14 12:18:08 JST 2015 root@hs32.drive.ne.jp:/sys/amd64/compile/hs32 amd64 |
| Current File : //sys/dev/bktr/bktr_core.h |
/* $FreeBSD: release/9.1.0/sys/dev/bktr/bktr_core.h 139749 2005-01-06 01:43:34Z imp $ */ /* * This is part of the Driver for Video Capture Cards (Frame grabbers) * and TV Tuner cards using the Brooktree Bt848, Bt848A, Bt849A, Bt878, Bt879 * chipset. * Copyright Roger Hardiman and Amancio Hasty. * * bktr_core : This deals with the Bt848/849/878/879 PCI Frame Grabber, * Handles all the open, close, ioctl and read userland calls. * Sets the Bt848 registers and generates RISC pograms. * Controls the i2c bus and GPIO interface. * Contains the interface to the kernel. * (eg probe/attach and open/close/ioctl) * */ /*- * 1. Redistributions of source code must retain the * Copyright (c) 1997 Amancio Hasty, 1999 Roger Hardiman * All rights reserved. * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions * are met: * 1. Redistributions of source code must retain the above copyright * notice, this list of conditions and the following disclaimer. * 2. Redistributions in binary form must reproduce the above copyright * notice, this list of conditions and the following disclaimer in the * documentation and/or other materials provided with the distribution. * 3. All advertising materials mentioning features or use of this software * must display the following acknowledgement: * This product includes software developed by Amancio Hasty and * Roger Hardiman * 4. The name of the author may not be used to endorse or promote products * derived from this software without specific prior written permission. * * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE * DISCLAIMED. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, * INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN * ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE * POSSIBILITY OF SUCH DAMAGE. */ int i2cWrite( bktr_ptr_t bktr, int addr, int byte1, int byte2 ); int i2cRead( bktr_ptr_t bktr, int addr ); void msp_dpl_reset( bktr_ptr_t bktr, int i2d_addr ); unsigned int msp_dpl_read( bktr_ptr_t bktr, int i2c_addr, unsigned char dev, unsigned int addr ); void msp_dpl_write( bktr_ptr_t bktr, int i2c_addr, unsigned char dev, unsigned int addr, unsigned int data ); /* * Defines for userland processes blocked in this driver * For /dev/bktr[n] use memory address of bktr structure * For /dev/vbi[n] use memory address of bktr structure + 1 * this is ok as the bktr structure is > 1 byte */ #define BKTR_SLEEP ((caddr_t)bktr ) #define VBI_SLEEP ((caddr_t)bktr + 1) /* device name for printf */ const char *bktr_name(bktr_ptr_t bktr); /* Prototypes for attatch and interrupt functions */ void common_bktr_attach( bktr_ptr_t bktr, int unit, u_long pci_id, u_int rev ); int common_bktr_intr( void *arg ); /* Prototypes for open, close, read, mmap and ioctl calls */ int video_open( bktr_ptr_t bktr ); int video_close( bktr_ptr_t bktr ); int video_read( bktr_ptr_t bktr, int unit, struct cdev *dev, struct uio *uio ); int video_ioctl( bktr_ptr_t bktr, int unit, ioctl_cmd_t cmd, caddr_t arg, struct thread* pr ); int tuner_open( bktr_ptr_t bktr ); int tuner_close( bktr_ptr_t bktr ); int tuner_ioctl( bktr_ptr_t bktr, int unit, ioctl_cmd_t cmd, caddr_t arg, struct thread* pr ); int vbi_open( bktr_ptr_t bktr ); int vbi_close( bktr_ptr_t bktr ); int vbi_read( bktr_ptr_t bktr, struct uio *uio, int ioflag );