Annotation of sys/dev/pci/bktr/bktr_core.h, Revision 1.1
1.1 ! nbrk 1: /* $OpenBSD: bktr_core.h,v 1.3 2004/06/29 12:24:57 mickey Exp $ */
! 2: /* $FreeBSD: src/sys/dev/bktr/bktr_core.h,v 1.4 2000/06/26 09:41:32 roger Exp $ */
! 3:
! 4: /*
! 5: * This is part of the Driver for Video Capture Cards (Frame grabbers)
! 6: * and TV Tuner cards using the Brooktree Bt848, Bt848A, Bt849A, Bt878, Bt879
! 7: * chipset.
! 8: * Copyright Roger Hardiman and Amancio Hasty.
! 9: *
! 10: * bktr_core : This deals with the Bt848/849/878/879 PCI Frame Grabber,
! 11: * Handles all the open, close, ioctl and read userland calls.
! 12: * Sets the Bt848 registers and generates RISC pograms.
! 13: * Controls the i2c bus and GPIO interface.
! 14: * Contains the interface to the kernel.
! 15: * (eg probe/attach and open/close/ioctl)
! 16: *
! 17: */
! 18:
! 19: /*
! 20: * 1. Redistributions of source code must retain the
! 21: * Copyright (c) 1997 Amancio Hasty, 1999 Roger Hardiman
! 22: * All rights reserved.
! 23: *
! 24: * Redistribution and use in source and binary forms, with or without
! 25: * modification, are permitted provided that the following conditions
! 26: * are met:
! 27: * 1. Redistributions of source code must retain the above copyright
! 28: * notice, this list of conditions and the following disclaimer.
! 29: * 2. Redistributions in binary form must reproduce the above copyright
! 30: * notice, this list of conditions and the following disclaimer in the
! 31: * documentation and/or other materials provided with the distribution.
! 32: * 3. All advertising materials mentioning features or use of this software
! 33: * must display the following acknowledgement:
! 34: * This product includes software developed by Amancio Hasty and
! 35: * Roger Hardiman
! 36: * 4. The name of the author may not be used to endorse or promote products
! 37: * derived from this software without specific prior written permission.
! 38: *
! 39: * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
! 40: * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
! 41: * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
! 42: * DISCLAIMED. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT,
! 43: * INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
! 44: * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
! 45: * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
! 46: * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
! 47: * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN
! 48: * ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
! 49: * POSSIBILITY OF SUCH DAMAGE.
! 50: */
! 51:
! 52:
! 53: int i2cWrite( bktr_ptr_t bktr, int addr, int byte1, int byte2 );
! 54: int i2cRead( bktr_ptr_t bktr, int addr );
! 55:
! 56: void msp_dpl_reset( bktr_ptr_t bktr, int i2d_addr );
! 57: unsigned int msp_dpl_read( bktr_ptr_t bktr, int i2c_addr, unsigned char dev, unsigned int addr );
! 58: void msp_dpl_write( bktr_ptr_t bktr, int i2c_addr, unsigned char dev,
! 59: unsigned int addr, unsigned int data );
! 60:
! 61:
! 62: /*
! 63: * Defines for userland processes blocked in this driver
! 64: * For /dev/bktr[n] use memory address of bktr structure
! 65: * For /dev/vbi[n] use memory address of bktr structure + 1
! 66: * this is ok as the bktr structure is > 1 byte
! 67: */
! 68: #define BKTR_SLEEP ((caddr_t)bktr )
! 69: #define VBI_SLEEP ((caddr_t)bktr + 1)
! 70:
! 71:
! 72: /* device name for printf */
! 73: const char *bktr_name(bktr_ptr_t bktr);
! 74:
! 75: /* Prototypes for attatch and interrupt functions */
! 76: void common_bktr_attach( bktr_ptr_t bktr, int unit,
! 77: u_int pci_id, u_int rev );
! 78: int common_bktr_intr( void *arg );
! 79:
! 80:
! 81: /* Prototypes for open, close, read, mmap and ioctl calls */
! 82: int video_open( bktr_ptr_t bktr );
! 83: int video_close( bktr_ptr_t bktr );
! 84: int video_read( bktr_ptr_t bktr, int unit, dev_t dev, struct uio *uio );
! 85: int video_ioctl( bktr_ptr_t bktr, int unit,
! 86: ioctl_cmd_t cmd, caddr_t arg, struct proc* pr );
! 87:
! 88:
! 89: int tuner_open( bktr_ptr_t bktr );
! 90: int tuner_close( bktr_ptr_t bktr );
! 91: int tuner_ioctl( bktr_ptr_t bktr, int unit,
! 92: ioctl_cmd_t cmd, caddr_t arg, struct proc* pr );
! 93:
! 94: int vbi_open( bktr_ptr_t bktr );
! 95: int vbi_close( bktr_ptr_t bktr );
! 96: int vbi_read( bktr_ptr_t bktr, struct uio *uio, int ioflag );
! 97:
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