1197 lines
27 KiB
C
1197 lines
27 KiB
C
/* $FreeBSD$ */
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/*
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* This is part of the Driver for Video Capture Cards (Frame grabbers)
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* and TV Tuner cards using the Brooktree Bt848, Bt848A, Bt849A, Bt878, Bt879
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* chipset.
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* Copyright Roger Hardiman and Amancio Hasty.
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*
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* bktr_os : This has all the Operating System dependant code,
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* probe/attach and open/close/ioctl/read/mmap
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* memory allocation
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* PCI bus interfacing
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*
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*
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*/
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/*
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* 1. Redistributions of source code must retain the
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* Copyright (c) 1997 Amancio Hasty, 1999 Roger Hardiman
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* All rights reserved.
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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
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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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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* 3. All advertising materials mentioning features or use of this software
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* must display the following acknowledgement:
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* This product includes software developed by Amancio Hasty and
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* Roger Hardiman
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* 4. The name of the author may not be used to endorse or promote products
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* derived from this software without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
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* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
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* WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
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* DISCLAIMED. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT,
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* INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
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* (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
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* SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
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* STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN
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* ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
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* POSSIBILITY OF SUCH DAMAGE.
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*/
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#ifdef __FreeBSD__
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#include "bktr.h"
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#include "opt_bktr.h"
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#include "opt_devfs.h"
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#endif /* __FreeBSD__ */
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#if defined(__NetBSD__) || defined(__OpenBSD__)
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#include "bktr.h"
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#include "pci.h"
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#endif /* __NetBSD__ || __OpenBSD__ */
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#define FIFO_RISC_DISABLED 0
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#define ALL_INTS_DISABLED 0
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#include <sys/param.h>
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#include <sys/systm.h>
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#include <sys/conf.h>
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#include <sys/uio.h>
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#include <sys/kernel.h>
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#include <sys/signalvar.h>
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#include <sys/mman.h>
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#include <sys/poll.h>
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#include <sys/select.h>
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#include <sys/vnode.h>
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#include <vm/vm.h>
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#include <vm/vm_kern.h>
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#include <vm/pmap.h>
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#include <vm/vm_extern.h>
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/*******************/
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/* *** FreeBSD *** */
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/*******************/
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#ifdef __FreeBSD__
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#if (__FreeBSD_version < 400000)
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#ifdef DEVFS
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#include <sys/devfsext.h>
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#endif /* DEVFS */
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#endif
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#if (__FreeBSD_version >=400000) || (NSMBUS > 0)
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#include <sys/bus.h> /* used by smbus and newbus */
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#endif
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#if (__FreeBSD_version >=400000)
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#include <machine/bus.h> /* used by newbus */
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#include <sys/rman.h> /* used by newbus */
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#include <machine/resource.h> /* used by newbus */
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#endif
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#include <machine/clock.h> /* for DELAY */
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#include <pci/pcivar.h>
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#include <pci/pcireg.h>
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#include <machine/ioctl_meteor.h>
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#include <machine/ioctl_bt848.h> /* extensions to ioctl_meteor.h */
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#include <dev/bktr/bktr_reg.h>
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#include <dev/bktr/bktr_tuner.h>
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#include <dev/bktr/bktr_card.h>
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#include <dev/bktr/bktr_audio.h>
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#include <dev/bktr/bktr_core.h>
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#include <dev/bktr/bktr_os.h>
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#if (NSMBUS > 0)
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#include <dev/bktr/bktr_i2c.h>
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#endif
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#include <sys/sysctl.h>
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int bt848_card = -1;
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int bt848_tuner = -1;
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int bt848_reverse_mute = -1;
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int bt848_format = -1;
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SYSCTL_NODE(_hw, OID_AUTO, bt848, CTLFLAG_RW, 0, "Bt848 Driver mgmt");
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SYSCTL_INT(_hw_bt848, OID_AUTO, card, CTLFLAG_RW, &bt848_card, -1, "");
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SYSCTL_INT(_hw_bt848, OID_AUTO, tuner, CTLFLAG_RW, &bt848_tuner, -1, "");
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SYSCTL_INT(_hw_bt848, OID_AUTO, reverse_mute, CTLFLAG_RW, &bt848_reverse_mute, -1, "");
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SYSCTL_INT(_hw_bt848, OID_AUTO, format, CTLFLAG_RW, &bt848_format, -1, "");
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#if (__FreeBSD_version >= 300000)
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typedef u_long ioctl_cmd_t;
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#endif
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#if (__FreeBSD__ == 2)
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typedef int ioctl_cmd_t;
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#define PCIR_REVID PCI_CLASS_REG
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#endif
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#endif /* __FreeBSD__ */
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/****************/
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/* *** BSDI *** */
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/****************/
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#ifdef __bsdi__
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#endif /* __bsdi__ */
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/**************************/
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/* *** OpenBSD/NetBSD *** */
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/**************************/
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#if defined(__NetBSD__) || defined(__OpenBSD__)
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#endif /* __NetBSD__ || __OpenBSD__ */
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/****************************/
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/* *** FreeBSD 4.x code *** */
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/****************************/
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#if (__FreeBSD_version >= 400000)
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static int bktr_probe( device_t dev );
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static int bktr_attach( device_t dev );
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static int bktr_detach( device_t dev );
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static int bktr_shutdown( device_t dev );
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static void bktr_intr(void *arg) { common_bktr_intr(arg); }
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static device_method_t bktr_methods[] = {
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/* Device interface */
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DEVMETHOD(device_probe, bktr_probe),
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DEVMETHOD(device_attach, bktr_attach),
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DEVMETHOD(device_detach, bktr_detach),
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DEVMETHOD(device_shutdown, bktr_shutdown),
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{ 0, 0 }
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};
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static driver_t bktr_driver = {
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"bktr",
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bktr_methods,
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sizeof(struct bktr_softc),
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};
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static devclass_t bktr_devclass;
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static d_open_t bktr_open;
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static d_close_t bktr_close;
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static d_read_t bktr_read;
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static d_write_t bktr_write;
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static d_ioctl_t bktr_ioctl;
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static d_mmap_t bktr_mmap;
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static d_poll_t bktr_poll;
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#define CDEV_MAJOR 92
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static struct cdevsw bktr_cdevsw = {
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/* open */ bktr_open,
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/* close */ bktr_close,
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/* read */ bktr_read,
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/* write */ bktr_write,
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/* ioctl */ bktr_ioctl,
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/* poll */ bktr_poll,
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/* mmap */ bktr_mmap,
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/* strategy */ nostrategy,
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/* name */ "bktr",
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/* maj */ CDEV_MAJOR,
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/* dump */ nodump,
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/* psize */ nopsize,
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/* flags */ 0,
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/* bmaj */ -1
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};
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DEV_DRIVER_MODULE(bktr, pci, bktr_driver, bktr_devclass, bktr_cdevsw, 0, 0);
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/*
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* the boot time probe routine.
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*/
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static int
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bktr_probe( device_t dev )
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{
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unsigned int type = pci_get_devid(dev);
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unsigned int rev = pci_get_revid(dev);
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switch (type) {
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case BROOKTREE_848_PCI_ID:
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if (rev == 0x12) device_set_desc(dev, "BrookTree 848A");
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else device_set_desc(dev, "BrookTree 848");
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return 0;
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case BROOKTREE_849_PCI_ID:
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device_set_desc(dev, "BrookTree 849A");
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return 0;
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case BROOKTREE_878_PCI_ID:
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device_set_desc(dev, "BrookTree 878");
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return 0;
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case BROOKTREE_879_PCI_ID:
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device_set_desc(dev, "BrookTree 879");
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return 0;
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};
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return ENXIO;
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}
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/*
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* the attach routine.
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*/
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static int
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bktr_attach( device_t dev )
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{
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bt848_ptr_t bt848;
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u_long latency;
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u_long fun;
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u_long val;
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unsigned int rev;
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unsigned int unit;
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int error = 0;
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int rid;
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#ifdef BROOKTREE_IRQ
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u_long old_irq, new_irq;
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#endif
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struct bktr_softc *bktr = device_get_softc(dev);
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unit = device_get_unit(dev);
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/*
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* Enable bus mastering and Memory Mapped device
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*/
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val = pci_read_config(dev, PCIR_COMMAND, 4);
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val |= (PCIM_CMD_MEMEN|PCIM_CMD_BUSMASTEREN);
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pci_write_config(dev, PCIR_COMMAND, val, 4);
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/*
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* Map control/status registers.
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*/
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rid = PCI_MAP_REG_START;
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bktr->res_mem = bus_alloc_resource(dev, SYS_RES_MEMORY, &rid,
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0, ~0, 1, RF_ACTIVE);
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if (!bktr->res_mem) {
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device_printf(dev, "could not map memory\n");
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error = ENXIO;
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goto fail;
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}
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bktr->base = rman_get_virtual(bktr->res_mem); /* XXX use bus_space */
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/*
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* Disable the brooktree device
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*/
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bt848 = bktr->base;
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bt848->int_mask = ALL_INTS_DISABLED;
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bt848->gpio_dma_ctl = FIFO_RISC_DISABLED;
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#ifdef BROOKTREE_IRQ /* from the configuration file */
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old_irq = pci_conf_read(tag, PCI_INTERRUPT_REG);
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pci_conf_write(tag, PCI_INTERRUPT_REG, BROOKTREE_IRQ);
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new_irq = pci_conf_read(tag, PCI_INTERRUPT_REG);
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printf("bktr%d: attach: irq changed from %d to %d\n",
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unit, (old_irq & 0xff), (new_irq & 0xff));
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#endif
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/*
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* Allocate our interrupt.
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*/
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rid = 0;
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bktr->res_irq = bus_alloc_resource(dev, SYS_RES_IRQ, &rid, 0, ~0, 1,
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RF_SHAREABLE | RF_ACTIVE);
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if (bktr->res_irq == NULL) {
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device_printf(dev, "could not map interrupt\n");
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error = ENXIO;
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goto fail;
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}
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error = bus_setup_intr(dev, bktr->res_irq, INTR_TYPE_NET,
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bktr_intr, bktr, &bktr->res_ih);
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if (error) {
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device_printf(dev, "could not setup irq\n");
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goto fail;
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}
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/* Update the Device Control Register */
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/* on Bt878 and Bt879 cards */
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fun = pci_read_config( dev, 0x40, 2);
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fun = fun | 1; /* Enable writes to the sub-system vendor ID */
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#if defined( BKTR_430_FX_MODE )
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if (bootverbose) printf("Using 430 FX chipset compatibilty mode\n");
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fun = fun | 2; /* Enable Intel 430 FX compatibility mode */
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#endif
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#if defined( BKTR_SIS_VIA_MODE )
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if (bootverbose) printf("Using SiS/VIA chipset compatibilty mode\n");
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fun = fun | 4; /* Enable SiS/VIA compatibility mode (usefull for
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OPTi chipset motherboards too */
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#endif
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pci_write_config(dev, 0x40, fun, 2);
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/* XXX call bt848_i2c dependent attach() routine */
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#if (NSMBUS > 0)
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if (bt848_i2c_attach(unit, bktr->base, &bktr->i2c_sc))
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printf("bktr%d: i2c_attach: can't attach\n", unit);
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#endif
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/*
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* PCI latency timer. 32 is a good value for 4 bus mastering slots, if
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* you have more than four, then 16 would probably be a better value.
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*/
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#ifndef BROOKTREE_DEF_LATENCY_VALUE
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#define BROOKTREE_DEF_LATENCY_VALUE 10
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#endif
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latency = pci_read_config(dev, PCI_LATENCY_TIMER, 4);
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latency = (latency >> 8) & 0xff;
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if ( bootverbose ) {
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if (latency)
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printf("brooktree%d: PCI bus latency is", unit);
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else
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printf("brooktree%d: PCI bus latency was 0 changing to",
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unit);
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}
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if ( !latency ) {
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latency = BROOKTREE_DEF_LATENCY_VALUE;
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pci_write_config(dev, PCI_LATENCY_TIMER, latency<<8, 4);
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}
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if ( bootverbose ) {
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printf(" %d.\n", (int) latency);
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}
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/* read the pci device id and revision id */
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fun = pci_get_devid(dev);
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rev = pci_get_revid(dev);
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/* call the common attach code */
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common_bktr_attach( bktr, unit, fun, rev );
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make_dev(&bktr_cdevsw, unit, 0, 0, 0444, "bktr%d", unit);
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make_dev(&bktr_cdevsw, unit+16, 0, 0, 0444, "tuner%d", unit);
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make_dev(&bktr_cdevsw, unit+32, 0, 0, 0444, "vbi%d", unit);
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return 0;
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fail:
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return error;
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}
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/*
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* the detach routine.
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*/
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static int
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bktr_detach( device_t dev )
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{
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struct bktr_softc *bktr = device_get_softc(dev);
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bt848_ptr_t bt848;
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/* Disable the brooktree device */
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bt848 = bktr->base;
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bt848->int_mask = ALL_INTS_DISABLED;
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bt848->gpio_dma_ctl = FIFO_RISC_DISABLED;
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/* FIXME - Free memory for RISC programs, grab buffer, vbi buffers */
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/*
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* Deallocate resources.
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*/
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bus_teardown_intr(dev, bktr->res_irq, bktr->res_ih);
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bus_release_resource(dev, SYS_RES_IRQ, 0, bktr->res_irq);
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bus_release_resource(dev, SYS_RES_MEMORY, PCI_MAP_REG_START, bktr->res_mem);
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return 0;
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}
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/*
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* the shutdown routine.
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*/
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static int
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bktr_shutdown( device_t dev )
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{
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struct bktr_softc *bktr = device_get_softc(dev);
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bt848_ptr_t bt848;
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/* Disable the brooktree device */
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bt848 = bktr->base;
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bt848->int_mask = ALL_INTS_DISABLED;
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bt848->gpio_dma_ctl = FIFO_RISC_DISABLED;
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return 0;
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}
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/*
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* Special Memory Allocation
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*/
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vm_offset_t
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get_bktr_mem( int unit, unsigned size )
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{
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vm_offset_t addr = 0;
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addr = vm_page_alloc_contig(size, 0, 0xffffffff, 1<<24);
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if (addr == 0)
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addr = vm_page_alloc_contig(size, 0, 0xffffffff, PAGE_SIZE);
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if (addr == 0) {
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printf("bktr%d: Unable to allocate %d bytes of memory.\n",
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unit, size);
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}
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return( addr );
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}
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/*---------------------------------------------------------
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**
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** BrookTree 848 character device driver routines
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**
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**---------------------------------------------------------
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*/
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#define VIDEO_DEV 0x00
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#define TUNER_DEV 0x01
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#define VBI_DEV 0x02
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#define UNIT(x) ((x) & 0x0f)
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#define FUNCTION(x) (x >> 4)
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/*
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*
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*/
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int
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bktr_open( dev_t dev, int flags, int fmt, struct proc *p )
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{
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bktr_ptr_t bktr;
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int unit;
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int result;
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unit = UNIT( minor(dev) );
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/* Get the device data */
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bktr = (struct bktr_softc*)devclass_get_softc(bktr_devclass, unit);
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if (bktr == NULL) {
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/* the device is no longer valid/functioning */
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return (ENXIO);
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}
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|
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if (!(bktr->flags & METEOR_INITALIZED)) /* device not found */
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return( ENXIO );
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|
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/* Record that the device is now busy */
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device_busy(devclass_get_device(bktr_devclass, unit));
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|
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if (bt848_card != -1) {
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if ((bt848_card >> 8 == unit ) &&
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( (bt848_card & 0xff) < Bt848_MAX_CARD )) {
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if ( bktr->bt848_card != (bt848_card & 0xff) ) {
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bktr->bt848_card = (bt848_card & 0xff);
|
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probeCard(bktr, FALSE, unit);
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}
|
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}
|
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}
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|
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if (bt848_tuner != -1) {
|
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if ((bt848_tuner >> 8 == unit ) &&
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( (bt848_tuner & 0xff) < Bt848_MAX_TUNER )) {
|
|
if ( bktr->bt848_tuner != (bt848_tuner & 0xff) ) {
|
|
bktr->bt848_tuner = (bt848_tuner & 0xff);
|
|
probeCard(bktr, FALSE, unit);
|
|
}
|
|
}
|
|
}
|
|
|
|
if (bt848_reverse_mute != -1) {
|
|
if (((bt848_reverse_mute >> 8) == unit ) &&
|
|
((bt848_reverse_mute & 0xff) < Bt848_MAX_TUNER) ) {
|
|
bktr->reverse_mute = bt848_reverse_mute & 0xff;
|
|
bt848_reverse_mute = -1;
|
|
}
|
|
}
|
|
|
|
switch ( FUNCTION( minor(dev) ) ) {
|
|
case VIDEO_DEV:
|
|
result = video_open( bktr );
|
|
break;
|
|
case TUNER_DEV:
|
|
result = tuner_open( bktr );
|
|
break;
|
|
case VBI_DEV:
|
|
result = vbi_open( bktr );
|
|
break;
|
|
default:
|
|
result = ENXIO;
|
|
break;
|
|
}
|
|
|
|
/* If there was an error opening the device, undo the busy status */
|
|
if (result != 0)
|
|
device_unbusy(devclass_get_device(bktr_devclass, unit));
|
|
return( result );
|
|
}
|
|
|
|
|
|
/*
|
|
*
|
|
*/
|
|
int
|
|
bktr_close( dev_t dev, int flags, int fmt, struct proc *p )
|
|
{
|
|
bktr_ptr_t bktr;
|
|
int unit;
|
|
int result;
|
|
|
|
unit = UNIT( minor(dev) );
|
|
|
|
/* Get the device data */
|
|
bktr = (struct bktr_softc*)devclass_get_softc(bktr_devclass, unit);
|
|
if (bktr == NULL) {
|
|
/* the device is no longer valid/functioning */
|
|
return (ENXIO);
|
|
}
|
|
|
|
switch ( FUNCTION( minor(dev) ) ) {
|
|
case VIDEO_DEV:
|
|
result = video_close( bktr );
|
|
break;
|
|
case TUNER_DEV:
|
|
result = tuner_close( bktr );
|
|
break;
|
|
case VBI_DEV:
|
|
result = vbi_close( bktr );
|
|
break;
|
|
default:
|
|
return (ENXIO);
|
|
break;
|
|
}
|
|
|
|
device_unbusy(devclass_get_device(bktr_devclass, unit));
|
|
return( result );
|
|
}
|
|
|
|
|
|
/*
|
|
*
|
|
*/
|
|
int
|
|
bktr_read( dev_t dev, struct uio *uio, int ioflag )
|
|
{
|
|
bktr_ptr_t bktr;
|
|
int unit;
|
|
|
|
unit = UNIT(minor(dev));
|
|
|
|
/* Get the device data */
|
|
bktr = (struct bktr_softc*)devclass_get_softc(bktr_devclass, unit);
|
|
if (bktr == NULL) {
|
|
/* the device is no longer valid/functioning */
|
|
return (ENXIO);
|
|
}
|
|
|
|
switch ( FUNCTION( minor(dev) ) ) {
|
|
case VIDEO_DEV:
|
|
return( video_read( bktr, unit, dev, uio ) );
|
|
case VBI_DEV:
|
|
return( vbi_read( bktr, uio, ioflag ) );
|
|
}
|
|
return( ENXIO );
|
|
}
|
|
|
|
|
|
/*
|
|
*
|
|
*/
|
|
int
|
|
bktr_write( dev_t dev, struct uio *uio, int ioflag )
|
|
{
|
|
return( EINVAL ); /* XXX or ENXIO ? */
|
|
}
|
|
|
|
|
|
/*
|
|
*
|
|
*/
|
|
int
|
|
bktr_ioctl( dev_t dev, ioctl_cmd_t cmd, caddr_t arg, int flag, struct proc* pr )
|
|
{
|
|
bktr_ptr_t bktr;
|
|
int unit;
|
|
|
|
unit = UNIT(minor(dev));
|
|
|
|
/* Get the device data */
|
|
bktr = (struct bktr_softc*)devclass_get_softc(bktr_devclass, unit);
|
|
if (bktr == NULL) {
|
|
/* the device is no longer valid/functioning */
|
|
return (ENXIO);
|
|
}
|
|
|
|
if (bktr->bigbuf == 0) /* no frame buffer allocated (ioctl failed) */
|
|
return( ENOMEM );
|
|
|
|
switch ( FUNCTION( minor(dev) ) ) {
|
|
case VIDEO_DEV:
|
|
return( video_ioctl( bktr, unit, cmd, arg, pr ) );
|
|
case TUNER_DEV:
|
|
return( tuner_ioctl( bktr, unit, cmd, arg, pr ) );
|
|
}
|
|
|
|
return( ENXIO );
|
|
}
|
|
|
|
|
|
/*
|
|
*
|
|
*/
|
|
int
|
|
bktr_mmap( dev_t dev, vm_offset_t offset, int nprot )
|
|
{
|
|
int unit;
|
|
bktr_ptr_t bktr;
|
|
|
|
unit = UNIT(minor(dev));
|
|
|
|
if (FUNCTION(minor(dev)) > 0) /* only allow mmap on /dev/bktr[n] */
|
|
return( -1 );
|
|
|
|
/* Get the device data */
|
|
bktr = (struct bktr_softc*)devclass_get_softc(bktr_devclass, unit);
|
|
if (bktr == NULL) {
|
|
/* the device is no longer valid/functioning */
|
|
return (ENXIO);
|
|
}
|
|
|
|
if (nprot & PROT_EXEC)
|
|
return( -1 );
|
|
|
|
if (offset < 0)
|
|
return( -1 );
|
|
|
|
if (offset >= bktr->alloc_pages * PAGE_SIZE)
|
|
return( -1 );
|
|
|
|
return( i386_btop(vtophys(bktr->bigbuf) + offset) );
|
|
}
|
|
|
|
int bktr_poll( dev_t dev, int events, struct proc *p)
|
|
{
|
|
int unit;
|
|
bktr_ptr_t bktr;
|
|
int revents = 0;
|
|
|
|
unit = UNIT(minor(dev));
|
|
|
|
/* Get the device data */
|
|
bktr = (struct bktr_softc*)devclass_get_softc(bktr_devclass, unit);
|
|
if (bktr == NULL) {
|
|
/* the device is no longer valid/functioning */
|
|
return (ENXIO);
|
|
}
|
|
|
|
disable_intr();
|
|
|
|
if (events & (POLLIN | POLLRDNORM)) {
|
|
|
|
switch ( FUNCTION( minor(dev) ) ) {
|
|
case VBI_DEV:
|
|
if(bktr->vbisize == 0)
|
|
selrecord(p, &bktr->vbi_select);
|
|
else
|
|
revents |= events & (POLLIN | POLLRDNORM);
|
|
break;
|
|
}
|
|
}
|
|
|
|
enable_intr();
|
|
|
|
return (revents);
|
|
}
|
|
|
|
#endif /* FreeBSD 4.x specific kernel interface routines */
|
|
|
|
/**********************************/
|
|
/* *** FreeBSD 2.2.x and 3.x *** */
|
|
/**********************************/
|
|
|
|
#if ((__FreeBSD__ == 2) || (__FreeBSD__ == 3))
|
|
|
|
static bktr_reg_t brooktree[ NBKTR ];
|
|
|
|
static const char* bktr_probe( pcici_t tag, pcidi_t type );
|
|
static void bktr_attach( pcici_t tag, int unit );
|
|
static void bktr_intr(void *arg) { common_bktr_intr(arg); }
|
|
|
|
static u_long bktr_count;
|
|
|
|
static struct pci_device bktr_device = {
|
|
"bktr",
|
|
bktr_probe,
|
|
bktr_attach,
|
|
&bktr_count
|
|
};
|
|
|
|
DATA_SET (pcidevice_set, bktr_device);
|
|
|
|
static d_open_t bktr_open;
|
|
static d_close_t bktr_close;
|
|
static d_read_t bktr_read;
|
|
static d_write_t bktr_write;
|
|
static d_ioctl_t bktr_ioctl;
|
|
static d_mmap_t bktr_mmap;
|
|
static d_poll_t bktr_poll;
|
|
|
|
#define CDEV_MAJOR 92
|
|
static struct cdevsw bktr_cdevsw =
|
|
{
|
|
bktr_open, bktr_close, bktr_read, bktr_write,
|
|
bktr_ioctl, nostop, nullreset, nodevtotty,
|
|
bktr_poll, bktr_mmap, NULL, "bktr",
|
|
NULL, -1
|
|
};
|
|
|
|
static int bktr_devsw_installed;
|
|
|
|
static void
|
|
bktr_drvinit( void *unused )
|
|
{
|
|
dev_t dev;
|
|
|
|
if ( ! bktr_devsw_installed ) {
|
|
dev = makedev(CDEV_MAJOR, 0);
|
|
cdevsw_add(&dev,&bktr_cdevsw, NULL);
|
|
bktr_devsw_installed = 1;
|
|
}
|
|
}
|
|
|
|
SYSINIT(bktrdev,SI_SUB_DRIVERS,SI_ORDER_MIDDLE+CDEV_MAJOR,bktr_drvinit,NULL)
|
|
|
|
/*
|
|
* the boot time probe routine.
|
|
*/
|
|
static const char*
|
|
bktr_probe( pcici_t tag, pcidi_t type )
|
|
{
|
|
unsigned int rev = pci_conf_read( tag, PCIR_REVID) & 0x000000ff;
|
|
|
|
switch (type) {
|
|
case BROOKTREE_848_PCI_ID:
|
|
if (rev == 0x12) return("BrookTree 848A");
|
|
else return("BrookTree 848");
|
|
case BROOKTREE_849_PCI_ID:
|
|
return("BrookTree 849A");
|
|
case BROOKTREE_878_PCI_ID:
|
|
return("BrookTree 878");
|
|
case BROOKTREE_879_PCI_ID:
|
|
return("BrookTree 879");
|
|
};
|
|
|
|
return ((char *)0);
|
|
}
|
|
|
|
/*
|
|
* the attach routine.
|
|
*/
|
|
static void
|
|
bktr_attach( pcici_t tag, int unit )
|
|
{
|
|
bktr_ptr_t bktr;
|
|
bt848_ptr_t bt848;
|
|
u_long latency;
|
|
u_long fun;
|
|
unsigned int rev;
|
|
#ifdef BROOKTREE_IRQ
|
|
u_long old_irq, new_irq;
|
|
#endif
|
|
|
|
bktr = &brooktree[unit];
|
|
|
|
if (unit >= NBKTR) {
|
|
printf("brooktree%d: attach: only %d units configured.\n",
|
|
unit, NBKTR);
|
|
printf("brooktree%d: attach: invalid unit number.\n", unit);
|
|
return;
|
|
}
|
|
|
|
/* Enable Memory Mapping */
|
|
fun = pci_conf_read(tag, PCI_COMMAND_STATUS_REG);
|
|
pci_conf_write(tag, PCI_COMMAND_STATUS_REG, fun | 2);
|
|
|
|
/* Enable Bus Mastering */
|
|
fun = pci_conf_read(tag, PCI_COMMAND_STATUS_REG);
|
|
pci_conf_write(tag, PCI_COMMAND_STATUS_REG, fun | 4);
|
|
|
|
bktr->tag = tag;
|
|
|
|
|
|
/*
|
|
* Map control/status registers
|
|
*/
|
|
pci_map_mem( tag, PCI_MAP_REG_START, (vm_offset_t *) &bktr->base,
|
|
&bktr->phys_base );
|
|
|
|
/*
|
|
* Disable the brooktree device
|
|
*/
|
|
bt848 = bktr->base;
|
|
bt848->int_mask = ALL_INTS_DISABLED;
|
|
bt848->gpio_dma_ctl = FIFO_RISC_DISABLED;
|
|
|
|
#ifdef BROOKTREE_IRQ /* from the configuration file */
|
|
old_irq = pci_conf_read(tag, PCI_INTERRUPT_REG);
|
|
pci_conf_write(tag, PCI_INTERRUPT_REG, BROOKTREE_IRQ);
|
|
new_irq = pci_conf_read(tag, PCI_INTERRUPT_REG);
|
|
printf("bktr%d: attach: irq changed from %d to %d\n",
|
|
unit, (old_irq & 0xff), (new_irq & 0xff));
|
|
#endif
|
|
|
|
/*
|
|
* setup the interrupt handling routine
|
|
*/
|
|
pci_map_int(tag, bktr_intr, (void*) bktr, &net_imask);
|
|
|
|
|
|
/* Update the Device Control Register */
|
|
/* on Bt878 and Bt879 cards */
|
|
fun = pci_conf_read(tag, 0x40);
|
|
fun = fun | 1; /* Enable writes to the sub-system vendor ID */
|
|
|
|
#if defined( BKTR_430_FX_MODE )
|
|
if (bootverbose) printf("Using 430 FX chipset compatibilty mode\n");
|
|
fun = fun | 2; /* Enable Intel 430 FX compatibility mode */
|
|
#endif
|
|
|
|
#if defined( BKTR_SIS_VIA_MODE )
|
|
if (bootverbose) printf("Using SiS/VIA chipset compatibilty mode\n");
|
|
fun = fun | 4; /* Enable SiS/VIA compatibility mode (usefull for
|
|
OPTi chipset motherboards too */
|
|
#endif
|
|
pci_conf_write(tag, 0x40, fun);
|
|
|
|
|
|
/* XXX call bt848_i2c dependent attach() routine */
|
|
#if (NSMBUS > 0)
|
|
if (bt848_i2c_attach(unit, bktr->base, &bktr->i2c_sc))
|
|
printf("bktr%d: i2c_attach: can't attach\n", unit);
|
|
#endif
|
|
|
|
|
|
/*
|
|
* PCI latency timer. 32 is a good value for 4 bus mastering slots, if
|
|
* you have more than four, then 16 would probably be a better value.
|
|
*/
|
|
#ifndef BROOKTREE_DEF_LATENCY_VALUE
|
|
#define BROOKTREE_DEF_LATENCY_VALUE 10
|
|
#endif
|
|
latency = pci_conf_read(tag, PCI_LATENCY_TIMER);
|
|
latency = (latency >> 8) & 0xff;
|
|
if ( bootverbose ) {
|
|
if (latency)
|
|
printf("brooktree%d: PCI bus latency is", unit);
|
|
else
|
|
printf("brooktree%d: PCI bus latency was 0 changing to",
|
|
unit);
|
|
}
|
|
if ( !latency ) {
|
|
latency = BROOKTREE_DEF_LATENCY_VALUE;
|
|
pci_conf_write(tag, PCI_LATENCY_TIMER, latency<<8);
|
|
}
|
|
if ( bootverbose ) {
|
|
printf(" %d.\n", (int) latency);
|
|
}
|
|
|
|
|
|
/* read the pci device id and revision id */
|
|
fun = pci_conf_read(tag, PCI_ID_REG);
|
|
rev = pci_conf_read(tag, PCIR_REVID) & 0x000000ff;
|
|
|
|
/* call the common attach code */
|
|
common_bktr_attach( bktr, unit, fun, rev );
|
|
|
|
#ifdef DEVFS
|
|
/* XXX This just throw away the token, which should probably be fixed when
|
|
DEVFS is finally made really operational. */
|
|
devfs_add_devswf(&bktr_cdevsw, unit, DV_CHR, 0, 0, 0444, "bktr%d", unit);
|
|
devfs_add_devswf(&bktr_cdevsw, unit+16, DV_CHR, 0, 0, 0444, "tuner%d", unit);
|
|
devfs_add_devswf(&bktr_cdevsw, unit+32, DV_CHR, 0, 0, 0444, "vbi%d", unit);
|
|
#endif /* DEVFS */
|
|
|
|
}
|
|
|
|
|
|
/*
|
|
* Special Memory Allocation
|
|
*/
|
|
vm_offset_t
|
|
get_bktr_mem( int unit, unsigned size )
|
|
{
|
|
vm_offset_t addr = 0;
|
|
|
|
addr = vm_page_alloc_contig(size, 0x100000, 0xffffffff, 1<<24);
|
|
if (addr == 0)
|
|
addr = vm_page_alloc_contig(size, 0x100000, 0xffffffff,
|
|
PAGE_SIZE);
|
|
if (addr == 0) {
|
|
printf("bktr%d: Unable to allocate %d bytes of memory.\n",
|
|
unit, size);
|
|
}
|
|
|
|
return( addr );
|
|
}
|
|
|
|
/*---------------------------------------------------------
|
|
**
|
|
** BrookTree 848 character device driver routines
|
|
**
|
|
**---------------------------------------------------------
|
|
*/
|
|
|
|
|
|
#define VIDEO_DEV 0x00
|
|
#define TUNER_DEV 0x01
|
|
#define VBI_DEV 0x02
|
|
|
|
#define UNIT(x) ((x) & 0x0f)
|
|
#define FUNCTION(x) ((x >> 4) & 0x0f)
|
|
|
|
|
|
/*
|
|
*
|
|
*/
|
|
int
|
|
bktr_open( dev_t dev, int flags, int fmt, struct proc *p )
|
|
{
|
|
bktr_ptr_t bktr;
|
|
int unit;
|
|
|
|
unit = UNIT( minor(dev) );
|
|
if (unit >= NBKTR) /* unit out of range */
|
|
return( ENXIO );
|
|
|
|
bktr = &(brooktree[ unit ]);
|
|
|
|
if (!(bktr->flags & METEOR_INITALIZED)) /* device not found */
|
|
return( ENXIO );
|
|
|
|
|
|
if (bt848_card != -1) {
|
|
if ((bt848_card >> 8 == unit ) &&
|
|
( (bt848_card & 0xff) < Bt848_MAX_CARD )) {
|
|
if ( bktr->bt848_card != (bt848_card & 0xff) ) {
|
|
bktr->bt848_card = (bt848_card & 0xff);
|
|
probeCard(bktr, FALSE, unit);
|
|
}
|
|
}
|
|
}
|
|
|
|
if (bt848_tuner != -1) {
|
|
if ((bt848_tuner >> 8 == unit ) &&
|
|
( (bt848_tuner & 0xff) < Bt848_MAX_TUNER )) {
|
|
if ( bktr->bt848_tuner != (bt848_tuner & 0xff) ) {
|
|
bktr->bt848_tuner = (bt848_tuner & 0xff);
|
|
probeCard(bktr, FALSE, unit);
|
|
}
|
|
}
|
|
}
|
|
|
|
if (bt848_reverse_mute != -1) {
|
|
if (((bt848_reverse_mute >> 8) == unit ) &&
|
|
((bt848_reverse_mute & 0xff) < Bt848_MAX_TUNER) ) {
|
|
bktr->reverse_mute = bt848_reverse_mute & 0xff;
|
|
bt848_reverse_mute = -1;
|
|
}
|
|
}
|
|
|
|
|
|
switch ( FUNCTION( minor(dev) ) ) {
|
|
case VIDEO_DEV:
|
|
return( video_open( bktr ) );
|
|
case TUNER_DEV:
|
|
return( tuner_open( bktr ) );
|
|
case VBI_DEV:
|
|
return( vbi_open( bktr ) );
|
|
}
|
|
return( ENXIO );
|
|
}
|
|
|
|
|
|
/*
|
|
*
|
|
*/
|
|
int
|
|
bktr_close( dev_t dev, int flags, int fmt, struct proc *p )
|
|
{
|
|
bktr_ptr_t bktr;
|
|
int unit;
|
|
|
|
unit = UNIT( minor(dev) );
|
|
if (unit >= NBKTR) /* unit out of range */
|
|
return( ENXIO );
|
|
|
|
bktr = &(brooktree[ unit ]);
|
|
|
|
switch ( FUNCTION( minor(dev) ) ) {
|
|
case VIDEO_DEV:
|
|
return( video_close( bktr ) );
|
|
case TUNER_DEV:
|
|
return( tuner_close( bktr ) );
|
|
case VBI_DEV:
|
|
return( vbi_close( bktr ) );
|
|
}
|
|
|
|
return( ENXIO );
|
|
}
|
|
|
|
/*
|
|
*
|
|
*/
|
|
int
|
|
bktr_read( dev_t dev, struct uio *uio, int ioflag )
|
|
{
|
|
bktr_ptr_t bktr;
|
|
int unit;
|
|
|
|
unit = UNIT(minor(dev));
|
|
if (unit >= NBKTR) /* unit out of range */
|
|
return( ENXIO );
|
|
|
|
bktr = &(brooktree[unit]);
|
|
|
|
switch ( FUNCTION( minor(dev) ) ) {
|
|
case VIDEO_DEV:
|
|
return( video_read( bktr, unit, dev, uio ) );
|
|
case VBI_DEV:
|
|
return( vbi_read( bktr, uio, ioflag ) );
|
|
}
|
|
return( ENXIO );
|
|
}
|
|
|
|
|
|
/*
|
|
*
|
|
*/
|
|
int
|
|
bktr_write( dev_t dev, struct uio *uio, int ioflag )
|
|
{
|
|
return( EINVAL ); /* XXX or ENXIO ? */
|
|
}
|
|
|
|
/*
|
|
*
|
|
*/
|
|
int
|
|
bktr_ioctl( dev_t dev, ioctl_cmd_t cmd, caddr_t arg, int flag, struct proc* pr )
|
|
{
|
|
bktr_ptr_t bktr;
|
|
int unit;
|
|
|
|
unit = UNIT(minor(dev));
|
|
if (unit >= NBKTR) /* unit out of range */
|
|
return( ENXIO );
|
|
|
|
bktr = &(brooktree[ unit ]);
|
|
|
|
if (bktr->bigbuf == 0) /* no frame buffer allocated (ioctl failed) */
|
|
return( ENOMEM );
|
|
|
|
switch ( FUNCTION( minor(dev) ) ) {
|
|
case VIDEO_DEV:
|
|
return( video_ioctl( bktr, unit, cmd, arg, pr ) );
|
|
case TUNER_DEV:
|
|
return( tuner_ioctl( bktr, unit, cmd, arg, pr ) );
|
|
}
|
|
|
|
return( ENXIO );
|
|
}
|
|
|
|
/*
|
|
* bktr_mmap.
|
|
* Note: 2.2.5/2.2.6/2.2.7/3.0 users must manually
|
|
* edit the following line and change "vm_offset_t" to "int""
|
|
*/
|
|
int bktr_mmap( dev_t dev, vm_offset_t offset, int nprot )
|
|
|
|
{
|
|
int unit;
|
|
bktr_ptr_t bktr;
|
|
|
|
unit = UNIT(minor(dev));
|
|
|
|
if (unit >= NBKTR || FUNCTION(minor(dev)) > 0)
|
|
return( -1 );
|
|
|
|
bktr = &(brooktree[ unit ]);
|
|
|
|
if (nprot & PROT_EXEC)
|
|
return( -1 );
|
|
|
|
if (offset < 0)
|
|
return( -1 );
|
|
|
|
if (offset >= bktr->alloc_pages * PAGE_SIZE)
|
|
return( -1 );
|
|
|
|
return( i386_btop(vtophys(bktr->bigbuf) + offset) );
|
|
}
|
|
|
|
int bktr_poll( dev_t dev, int events, struct proc *p)
|
|
{
|
|
int unit;
|
|
bktr_ptr_t bktr;
|
|
int revents = 0;
|
|
|
|
unit = UNIT(minor(dev));
|
|
|
|
if (unit >= NBKTR)
|
|
return( -1 );
|
|
|
|
bktr = &(brooktree[ unit ]);
|
|
|
|
disable_intr();
|
|
|
|
if (events & (POLLIN | POLLRDNORM)) {
|
|
|
|
switch ( FUNCTION( minor(dev) ) ) {
|
|
case VBI_DEV:
|
|
if(bktr->vbisize == 0)
|
|
selrecord(p, &bktr->vbi_select);
|
|
else
|
|
revents |= events & (POLLIN | POLLRDNORM);
|
|
break;
|
|
}
|
|
}
|
|
|
|
enable_intr();
|
|
|
|
return (revents);
|
|
}
|
|
|
|
|
|
#endif /* FreeBSD 2.2.x and 3.x specific kernel interface routines */
|
|
|
|
|
|
/*****************/
|
|
/* *** BSDI *** */
|
|
/*****************/
|
|
|
|
#if defined(__bsdi__)
|
|
#endif /* __bsdi__ BSDI specific kernel interface routines */
|
|
|
|
|
|
/*****************************/
|
|
/* *** OpenBSD / NetBSD *** */
|
|
/*****************************/
|
|
#if defined(__NetBSD__) || defined(__OpenBSD__)
|
|
#endif /* __NetBSD__ || __OpenBSD__ */
|
|
|