1 /* $FreeBSD: src/sys/dev/bktr/bktr_os.c,v 1.4.2.3 2000/10/27 00:46:09 jhb Exp $ */
2 /* $DragonFly: src/sys/dev/video/bktr/bktr_os.c,v 1.2 2003/06/17 04:28:23 dillon Exp $ */
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
8 * Copyright Roger Hardiman and Amancio Hasty.
10 * bktr_os : This has all the Operating System dependant code,
11 * probe/attach and open/close/ioctl/read/mmap
19 * 1. Redistributions of source code must retain the
20 * Copyright (c) 1997 Amancio Hasty, 1999 Roger Hardiman
21 * All rights reserved.
23 * Redistribution and use in source and binary forms, with or without
24 * modification, are permitted provided that the following conditions
26 * 1. Redistributions of source code must retain the above copyright
27 * notice, this list of conditions and the following disclaimer.
28 * 2. Redistributions in binary form must reproduce the above copyright
29 * notice, this list of conditions and the following disclaimer in the
30 * documentation and/or other materials provided with the distribution.
31 * 3. All advertising materials mentioning features or use of this software
32 * must display the following acknowledgement:
33 * This product includes software developed by Amancio Hasty and
35 * 4. The name of the author may not be used to endorse or promote products
36 * derived from this software without specific prior written permission.
38 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
39 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
40 * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
41 * DISCLAIMED. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT,
42 * INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
43 * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
44 * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
45 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
46 * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN
47 * ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
48 * POSSIBILITY OF SUCH DAMAGE.
54 #endif /* __FreeBSD__ */
56 #include "opt_bktr.h" /* include any kernel config options */
58 #define FIFO_RISC_DISABLED 0
59 #define ALL_INTS_DISABLED 0
67 #include <sys/param.h>
68 #include <sys/systm.h>
71 #include <sys/kernel.h>
72 #include <sys/signalvar.h>
75 #include <sys/select.h>
76 #include <sys/vnode.h>
79 #include <vm/vm_kern.h>
81 #include <vm/vm_extern.h>
83 #if (__FreeBSD_version >=400000) || (NSMBUS > 0)
84 #include <sys/bus.h> /* used by smbus and newbus */
87 #if (__FreeBSD_version >=300000)
88 #include <machine/bus_memio.h> /* used by bus space */
89 #include <machine/bus.h> /* used by bus space and newbus */
93 #if (__FreeBSD_version >=400000)
94 #include <sys/rman.h> /* used by newbus */
95 #include <machine/resource.h> /* used by newbus */
98 #if (__FreeBSD_version < 500000)
99 #include <machine/clock.h> /* for DELAY */
102 #include <pci/pcivar.h>
103 #include <pci/pcireg.h>
105 #include <sys/sysctl.h>
107 int bt848_tuner = -1;
108 int bt848_reverse_mute = -1;
109 int bt848_format = -1;
110 int bt848_slow_msp_audio = -1;
112 SYSCTL_NODE(_hw, OID_AUTO, bt848, CTLFLAG_RW, 0, "Bt848 Driver mgmt");
113 SYSCTL_INT(_hw_bt848, OID_AUTO, card, CTLFLAG_RW, &bt848_card, -1, "");
114 SYSCTL_INT(_hw_bt848, OID_AUTO, tuner, CTLFLAG_RW, &bt848_tuner, -1, "");
115 SYSCTL_INT(_hw_bt848, OID_AUTO, reverse_mute, CTLFLAG_RW, &bt848_reverse_mute, -1, "");
116 SYSCTL_INT(_hw_bt848, OID_AUTO, format, CTLFLAG_RW, &bt848_format, -1, "");
117 SYSCTL_INT(_hw_bt848, OID_AUTO, slow_msp_audio, CTLFLAG_RW, &bt848_slow_msp_audio, -1, "");
119 #if (__FreeBSD__ == 2)
120 #define PCIR_REVID PCI_CLASS_REG
123 #endif /* end freebsd section */
131 #endif /* __bsdi__ */
134 /**************************/
135 /* *** OpenBSD/NetBSD *** */
136 /**************************/
137 #if defined(__NetBSD__) || defined(__OpenBSD__)
139 #include <sys/param.h>
140 #include <sys/systm.h>
141 #include <sys/conf.h>
143 #include <sys/kernel.h>
144 #include <sys/signalvar.h>
145 #include <sys/mman.h>
146 #include <sys/poll.h>
147 #include <sys/select.h>
148 #include <sys/vnode.h>
153 #include <vm/vm_kern.h>
155 #include <vm/vm_extern.h>
158 #include <sys/device.h>
159 #include <dev/pci/pcivar.h>
160 #include <dev/pci/pcireg.h>
161 #include <dev/pci/pcidevs.h>
166 #define DPR(x) (bktr_debug ? printf x : 0)
170 #endif /* __NetBSD__ || __OpenBSD__ */
174 #include <dev/ic/bt8xx.h> /* NetBSD location for .h files */
175 #include <dev/pci/bktr/bktr_reg.h>
176 #include <dev/pci/bktr/bktr_tuner.h>
177 #include <dev/pci/bktr/bktr_card.h>
178 #include <dev/pci/bktr/bktr_audio.h>
179 #include <dev/pci/bktr/bktr_core.h>
180 #include <dev/pci/bktr/bktr_os.h>
181 #else /* Traditional location for .h files */
182 #include <machine/ioctl_meteor.h>
183 #include <machine/ioctl_bt848.h> /* extensions to ioctl_meteor.h */
184 #include <dev/bktr/bktr_reg.h>
185 #include <dev/bktr/bktr_tuner.h>
186 #include <dev/bktr/bktr_card.h>
187 #include <dev/bktr/bktr_audio.h>
188 #include <dev/bktr/bktr_core.h>
189 #include <dev/bktr/bktr_os.h>
190 #if defined(BKTR_USE_FREEBSD_SMBUS)
191 #include <dev/bktr/bktr_i2c.h>
197 /****************************/
198 /* *** FreeBSD 4.x code *** */
199 /****************************/
200 #if (__FreeBSD_version >= 400000)
202 static int bktr_probe( device_t dev );
203 static int bktr_attach( device_t dev );
204 static int bktr_detach( device_t dev );
205 static int bktr_shutdown( device_t dev );
206 static void bktr_intr(void *arg) { common_bktr_intr(arg); }
208 static device_method_t bktr_methods[] = {
209 /* Device interface */
210 DEVMETHOD(device_probe, bktr_probe),
211 DEVMETHOD(device_attach, bktr_attach),
212 DEVMETHOD(device_detach, bktr_detach),
213 DEVMETHOD(device_shutdown, bktr_shutdown),
218 static driver_t bktr_driver = {
221 sizeof(struct bktr_softc),
224 static devclass_t bktr_devclass;
226 static d_open_t bktr_open;
227 static d_close_t bktr_close;
228 static d_read_t bktr_read;
229 static d_write_t bktr_write;
230 static d_ioctl_t bktr_ioctl;
231 static d_mmap_t bktr_mmap;
232 static d_poll_t bktr_poll;
234 #define CDEV_MAJOR 92
235 static struct cdevsw bktr_cdevsw = {
236 /* open */ bktr_open,
237 /* close */ bktr_close,
238 /* read */ bktr_read,
239 /* write */ bktr_write,
240 /* ioctl */ bktr_ioctl,
241 /* poll */ bktr_poll,
242 /* mmap */ bktr_mmap,
243 /* strategy */ nostrategy,
245 /* maj */ CDEV_MAJOR,
252 DRIVER_MODULE(bktr, pci, bktr_driver, bktr_devclass, 0, 0);
253 #if (__FreeBSD_version > 410000)
254 MODULE_DEPEND(bktr, bktr_mem, 1,1,1);
255 MODULE_VERSION(bktr, 1);
260 * the boot time probe routine.
263 bktr_probe( device_t dev )
265 unsigned int type = pci_get_devid(dev);
266 unsigned int rev = pci_get_revid(dev);
268 if (PCI_VENDOR(type) == PCI_VENDOR_BROOKTREE)
270 switch (PCI_PRODUCT(type)) {
271 case PCI_PRODUCT_BROOKTREE_BT848:
273 device_set_desc(dev, "BrookTree 848A");
275 device_set_desc(dev, "BrookTree 848");
277 case PCI_PRODUCT_BROOKTREE_BT849:
278 device_set_desc(dev, "BrookTree 849A");
280 case PCI_PRODUCT_BROOKTREE_BT878:
281 device_set_desc(dev, "BrookTree 878");
283 case PCI_PRODUCT_BROOKTREE_BT879:
284 device_set_desc(dev, "BrookTree 879");
294 * the attach routine.
297 bktr_attach( device_t dev )
306 u_long old_irq, new_irq;
309 struct bktr_softc *bktr = device_get_softc(dev);
311 unit = device_get_unit(dev);
313 /* build the device name for bktr_name() */
314 snprintf(bktr->bktr_xname, sizeof(bktr->bktr_xname), "bktr%d",unit);
317 * Enable bus mastering and Memory Mapped device
319 val = pci_read_config(dev, PCIR_COMMAND, 4);
320 val |= (PCIM_CMD_MEMEN|PCIM_CMD_BUSMASTEREN);
321 pci_write_config(dev, PCIR_COMMAND, val, 4);
324 * Map control/status registers.
326 bktr->mem_rid = PCIR_MAPS;
327 bktr->res_mem = bus_alloc_resource(dev, SYS_RES_MEMORY, &bktr->mem_rid,
328 0, ~0, 1, RF_ACTIVE);
331 if (!bktr->res_mem) {
332 device_printf(dev, "could not map memory\n");
336 bktr->memt = rman_get_bustag(bktr->res_mem);
337 bktr->memh = rman_get_bushandle(bktr->res_mem);
341 * Disable the brooktree device
343 OUTL(bktr, BKTR_INT_MASK, ALL_INTS_DISABLED);
344 OUTW(bktr, BKTR_GPIO_DMA_CTL, FIFO_RISC_DISABLED);
347 #ifdef BROOKTREE_IRQ /* from the configuration file */
348 old_irq = pci_conf_read(tag, PCI_INTERRUPT_REG);
349 pci_conf_write(tag, PCI_INTERRUPT_REG, BROOKTREE_IRQ);
350 new_irq = pci_conf_read(tag, PCI_INTERRUPT_REG);
351 printf("bktr%d: attach: irq changed from %d to %d\n",
352 unit, (old_irq & 0xff), (new_irq & 0xff));
356 * Allocate our interrupt.
359 bktr->res_irq = bus_alloc_resource(dev, SYS_RES_IRQ, &bktr->irq_rid,
360 0, ~0, 1, RF_SHAREABLE | RF_ACTIVE);
361 if (bktr->res_irq == NULL) {
362 device_printf(dev, "could not map interrupt\n");
367 error = bus_setup_intr(dev, bktr->res_irq, INTR_TYPE_TTY,
368 bktr_intr, bktr, &bktr->res_ih);
370 device_printf(dev, "could not setup irq\n");
376 /* Update the Device Control Register */
377 /* on Bt878 and Bt879 cards */
378 fun = pci_read_config( dev, 0x40, 2);
379 fun = fun | 1; /* Enable writes to the sub-system vendor ID */
381 #if defined( BKTR_430_FX_MODE )
382 if (bootverbose) printf("Using 430 FX chipset compatibilty mode\n");
383 fun = fun | 2; /* Enable Intel 430 FX compatibility mode */
386 #if defined( BKTR_SIS_VIA_MODE )
387 if (bootverbose) printf("Using SiS/VIA chipset compatibilty mode\n");
388 fun = fun | 4; /* Enable SiS/VIA compatibility mode (usefull for
389 OPTi chipset motherboards too */
391 pci_write_config(dev, 0x40, fun, 2);
394 /* XXX call bt848_i2c dependent attach() routine */
395 #if defined(BKTR_USE_FREEBSD_SMBUS)
396 if (bt848_i2c_attach(unit, bktr, &bktr->i2c_sc))
397 printf("bktr%d: i2c_attach: can't attach\n", unit);
402 * PCI latency timer. 32 is a good value for 4 bus mastering slots, if
403 * you have more than four, then 16 would probably be a better value.
405 #ifndef BROOKTREE_DEF_LATENCY_VALUE
406 #define BROOKTREE_DEF_LATENCY_VALUE 10
408 latency = pci_read_config(dev, PCI_LATENCY_TIMER, 4);
409 latency = (latency >> 8) & 0xff;
412 printf("brooktree%d: PCI bus latency is", unit);
414 printf("brooktree%d: PCI bus latency was 0 changing to",
418 latency = BROOKTREE_DEF_LATENCY_VALUE;
419 pci_write_config(dev, PCI_LATENCY_TIMER, latency<<8, 4);
422 printf(" %d.\n", (int) latency);
425 /* read the pci device id and revision id */
426 fun = pci_get_devid(dev);
427 rev = pci_get_revid(dev);
429 /* call the common attach code */
430 common_bktr_attach( bktr, unit, fun, rev );
432 /* make the device entries */
433 bktr->bktrdev = make_dev(&bktr_cdevsw, unit,
434 0, 0, 0444, "bktr%d", unit);
435 bktr->tunerdev= make_dev(&bktr_cdevsw, unit+16,
436 0, 0, 0444, "tuner%d", unit);
437 bktr->vbidev = make_dev(&bktr_cdevsw, unit+32,
438 0, 0, 0444, "vbi%d" , unit);
441 /* if this is unit 0 (/dev/bktr0, /dev/tuner0, /dev/vbi0) then make */
442 /* alias entries to /dev/bktr /dev/tuner and /dev/vbi */
443 #if (__FreeBSD_version >=500000)
445 bktr->bktrdev_alias = make_dev_alias(bktr->bktrdev, "bktr");
446 bktr->tunerdev_alias= make_dev_alias(bktr->tunerdev, "tuner");
447 bktr->vbidev_alias = make_dev_alias(bktr->vbidev, "vbi");
455 bus_release_resource(dev, SYS_RES_IRQ, bktr->irq_rid, bktr->res_irq);
457 bus_release_resource(dev, SYS_RES_IRQ, bktr->mem_rid, bktr->res_mem);
463 * the detach routine.
466 bktr_detach( device_t dev )
470 struct bktr_softc *bktr = device_get_softc(dev);
472 unit = device_get_unit(dev);
474 /* Disable the brooktree device */
475 OUTL(bktr, BKTR_INT_MASK, ALL_INTS_DISABLED);
476 OUTW(bktr, BKTR_GPIO_DMA_CTL, FIFO_RISC_DISABLED);
478 /* Note: We do not free memory for RISC programs, grab buffer, vbi buffers */
479 /* The memory is retained by the bktr_mem module so we can unload and */
480 /* then reload the main bktr driver module */
482 /* Unregister the /dev/bktrN, tunerN and vbiN devices */
483 destroy_dev(bktr->vbidev);
484 destroy_dev(bktr->tunerdev);
485 destroy_dev(bktr->bktrdev);
487 /* If this is unit 0, then destroy the alias entries too */
488 #if (__FreeBSD_version >=500000)
490 destroy_dev(bktr->vbidev_alias);
491 destroy_dev(bktr->tunerdev_alias);
492 destroy_dev(bktr->bktrdev_alias);
497 * Deallocate resources.
499 bus_teardown_intr(dev, bktr->res_irq, bktr->res_ih);
500 bus_release_resource(dev, SYS_RES_IRQ, bktr->irq_rid, bktr->res_irq);
501 bus_release_resource(dev, SYS_RES_MEMORY, bktr->mem_rid, bktr->res_mem);
507 * the shutdown routine.
510 bktr_shutdown( device_t dev )
512 struct bktr_softc *bktr = device_get_softc(dev);
514 /* Disable the brooktree device */
515 OUTL(bktr, BKTR_INT_MASK, ALL_INTS_DISABLED);
516 OUTW(bktr, BKTR_GPIO_DMA_CTL, FIFO_RISC_DISABLED);
523 * Special Memory Allocation
526 get_bktr_mem( int unit, unsigned size )
528 vm_offset_t addr = 0;
530 addr = vm_page_alloc_contig(size, 0, 0xffffffff, 1<<24);
532 addr = vm_page_alloc_contig(size, 0, 0xffffffff, PAGE_SIZE);
534 printf("bktr%d: Unable to allocate %d bytes of memory.\n",
542 /*---------------------------------------------------------
544 ** BrookTree 848 character device driver routines
546 **---------------------------------------------------------
549 #define VIDEO_DEV 0x00
550 #define TUNER_DEV 0x01
553 #define UNIT(x) ((x) & 0x0f)
554 #define FUNCTION(x) (x >> 4)
560 bktr_open( dev_t dev, int flags, int fmt, struct proc *p )
566 unit = UNIT( minor(dev) );
568 /* Get the device data */
569 bktr = (struct bktr_softc*)devclass_get_softc(bktr_devclass, unit);
571 /* the device is no longer valid/functioning */
575 if (!(bktr->flags & METEOR_INITALIZED)) /* device not found */
578 /* Record that the device is now busy */
579 device_busy(devclass_get_device(bktr_devclass, unit));
582 if (bt848_card != -1) {
583 if ((bt848_card >> 8 == unit ) &&
584 ( (bt848_card & 0xff) < Bt848_MAX_CARD )) {
585 if ( bktr->bt848_card != (bt848_card & 0xff) ) {
586 bktr->bt848_card = (bt848_card & 0xff);
587 probeCard(bktr, FALSE, unit);
592 if (bt848_tuner != -1) {
593 if ((bt848_tuner >> 8 == unit ) &&
594 ( (bt848_tuner & 0xff) < Bt848_MAX_TUNER )) {
595 if ( bktr->bt848_tuner != (bt848_tuner & 0xff) ) {
596 bktr->bt848_tuner = (bt848_tuner & 0xff);
597 probeCard(bktr, FALSE, unit);
602 if (bt848_reverse_mute != -1) {
603 if ((bt848_reverse_mute >> 8) == unit ) {
604 bktr->reverse_mute = bt848_reverse_mute & 0xff;
608 if (bt848_slow_msp_audio != -1) {
609 if ((bt848_slow_msp_audio >> 8) == unit ) {
610 bktr->slow_msp_audio = (bt848_slow_msp_audio & 0xff);
614 switch ( FUNCTION( minor(dev) ) ) {
616 result = video_open( bktr );
619 result = tuner_open( bktr );
622 result = vbi_open( bktr );
629 /* If there was an error opening the device, undo the busy status */
631 device_unbusy(devclass_get_device(bktr_devclass, unit));
640 bktr_close( dev_t dev, int flags, int fmt, struct proc *p )
646 unit = UNIT( minor(dev) );
648 /* Get the device data */
649 bktr = (struct bktr_softc*)devclass_get_softc(bktr_devclass, unit);
651 /* the device is no longer valid/functioning */
655 switch ( FUNCTION( minor(dev) ) ) {
657 result = video_close( bktr );
660 result = tuner_close( bktr );
663 result = vbi_close( bktr );
670 device_unbusy(devclass_get_device(bktr_devclass, unit));
679 bktr_read( dev_t dev, struct uio *uio, int ioflag )
684 unit = UNIT(minor(dev));
686 /* Get the device data */
687 bktr = (struct bktr_softc*)devclass_get_softc(bktr_devclass, unit);
689 /* the device is no longer valid/functioning */
693 switch ( FUNCTION( minor(dev) ) ) {
695 return( video_read( bktr, unit, dev, uio ) );
697 return( vbi_read( bktr, uio, ioflag ) );
707 bktr_write( dev_t dev, struct uio *uio, int ioflag )
709 return( EINVAL ); /* XXX or ENXIO ? */
717 bktr_ioctl( dev_t dev, ioctl_cmd_t cmd, caddr_t arg, int flag, struct proc* pr )
722 unit = UNIT(minor(dev));
724 /* Get the device data */
725 bktr = (struct bktr_softc*)devclass_get_softc(bktr_devclass, unit);
727 /* the device is no longer valid/functioning */
731 if (bktr->bigbuf == 0) /* no frame buffer allocated (ioctl failed) */
734 switch ( FUNCTION( minor(dev) ) ) {
736 return( video_ioctl( bktr, unit, cmd, arg, pr ) );
738 return( tuner_ioctl( bktr, unit, cmd, arg, pr ) );
749 bktr_mmap( dev_t dev, vm_offset_t offset, int nprot )
754 unit = UNIT(minor(dev));
756 if (FUNCTION(minor(dev)) > 0) /* only allow mmap on /dev/bktr[n] */
759 /* Get the device data */
760 bktr = (struct bktr_softc*)devclass_get_softc(bktr_devclass, unit);
762 /* the device is no longer valid/functioning */
766 if (nprot & PROT_EXEC)
772 if (offset >= bktr->alloc_pages * PAGE_SIZE)
775 return( atop(vtophys(bktr->bigbuf) + offset) );
778 int bktr_poll( dev_t dev, int events, struct proc *p)
783 DECLARE_INTR_MASK(s);
785 unit = UNIT(minor(dev));
787 /* Get the device data */
788 bktr = (struct bktr_softc*)devclass_get_softc(bktr_devclass, unit);
790 /* the device is no longer valid/functioning */
796 if (events & (POLLIN | POLLRDNORM)) {
798 switch ( FUNCTION( minor(dev) ) ) {
800 if(bktr->vbisize == 0)
801 selrecord(p, &bktr->vbi_select);
803 revents |= events & (POLLIN | POLLRDNORM);
813 #endif /* FreeBSD 4.x specific kernel interface routines */
815 /**********************************/
816 /* *** FreeBSD 2.2.x and 3.x *** */
817 /**********************************/
819 #if ((__FreeBSD__ == 2) || (__FreeBSD__ == 3))
821 static bktr_reg_t brooktree[ NBKTR ];
823 static const char* bktr_probe( pcici_t tag, pcidi_t type );
824 static void bktr_attach( pcici_t tag, int unit );
825 static void bktr_intr(void *arg) { common_bktr_intr(arg); }
827 static u_long bktr_count;
829 static struct pci_device bktr_device = {
836 DATA_SET (pcidevice_set, bktr_device);
838 static d_open_t bktr_open;
839 static d_close_t bktr_close;
840 static d_read_t bktr_read;
841 static d_write_t bktr_write;
842 static d_ioctl_t bktr_ioctl;
843 static d_mmap_t bktr_mmap;
844 static d_poll_t bktr_poll;
846 #define CDEV_MAJOR 92
847 static struct cdevsw bktr_cdevsw =
849 bktr_open, bktr_close, bktr_read, bktr_write,
850 bktr_ioctl, nostop, nullreset, nodevtotty,
851 bktr_poll, bktr_mmap, NULL, "bktr",
855 static int bktr_devsw_installed;
858 bktr_drvinit( void *unused )
862 if ( ! bktr_devsw_installed ) {
863 dev = makedev(CDEV_MAJOR, 0);
864 cdevsw_add(&dev,&bktr_cdevsw, NULL);
865 bktr_devsw_installed = 1;
869 SYSINIT(bktrdev,SI_SUB_DRIVERS,SI_ORDER_MIDDLE+CDEV_MAJOR,bktr_drvinit,NULL)
872 * the boot time probe routine.
875 bktr_probe( pcici_t tag, pcidi_t type )
877 unsigned int rev = pci_conf_read( tag, PCIR_REVID) & 0x000000ff;
879 if (PCI_VENDOR(type) == PCI_VENDOR_BROOKTREE)
881 switch (PCI_PRODUCT(type)) {
882 case PCI_PRODUCT_BROOKTREE_BT848:
883 if (rev == 0x12) return("BrookTree 848A");
884 else return("BrookTree 848");
885 case PCI_PRODUCT_BROOKTREE_BT849:
886 return("BrookTree 849A");
887 case PCI_PRODUCT_BROOKTREE_BT878:
888 return("BrookTree 878");
889 case PCI_PRODUCT_BROOKTREE_BT879:
890 return("BrookTree 879");
898 * the attach routine.
901 bktr_attach( pcici_t tag, int unit )
909 u_long old_irq, new_irq;
912 bktr = &brooktree[unit];
915 printf("brooktree%d: attach: only %d units configured.\n",
917 printf("brooktree%d: attach: invalid unit number.\n", unit);
921 /* build the device name for bktr_name() */
922 snprintf(bktr->bktr_xname, sizeof(bktr->bktr_xname), "bktr%d",unit);
924 /* Enable Memory Mapping */
925 fun = pci_conf_read(tag, PCI_COMMAND_STATUS_REG);
926 pci_conf_write(tag, PCI_COMMAND_STATUS_REG, fun | 2);
928 /* Enable Bus Mastering */
929 fun = pci_conf_read(tag, PCI_COMMAND_STATUS_REG);
930 pci_conf_write(tag, PCI_COMMAND_STATUS_REG, fun | 4);
936 * Map control/status registers
938 pci_map_mem( tag, PCI_MAP_REG_START, (vm_offset_t *) &base,
940 #if (__FreeBSD_version >= 300000)
941 bktr->memt = I386_BUS_SPACE_MEM; /* XXX should use proper bus space */
942 bktr->memh = (bus_space_handle_t)base; /* XXX functions here */
946 * Disable the brooktree device
948 OUTL(bktr, BKTR_INT_MASK, ALL_INTS_DISABLED);
949 OUTW(bktr, BKTR_GPIO_DMA_CTL, FIFO_RISC_DISABLED);
951 #ifdef BROOKTREE_IRQ /* from the configuration file */
952 old_irq = pci_conf_read(tag, PCI_INTERRUPT_REG);
953 pci_conf_write(tag, PCI_INTERRUPT_REG, BROOKTREE_IRQ);
954 new_irq = pci_conf_read(tag, PCI_INTERRUPT_REG);
955 printf("bktr%d: attach: irq changed from %d to %d\n",
956 unit, (old_irq & 0xff), (new_irq & 0xff));
960 * setup the interrupt handling routine
962 pci_map_int(tag, bktr_intr, (void*) bktr, &tty_imask);
965 /* Update the Device Control Register */
966 /* on Bt878 and Bt879 cards */
967 fun = pci_conf_read(tag, 0x40);
968 fun = fun | 1; /* Enable writes to the sub-system vendor ID */
970 #if defined( BKTR_430_FX_MODE )
971 if (bootverbose) printf("Using 430 FX chipset compatibilty mode\n");
972 fun = fun | 2; /* Enable Intel 430 FX compatibility mode */
975 #if defined( BKTR_SIS_VIA_MODE )
976 if (bootverbose) printf("Using SiS/VIA chipset compatibilty mode\n");
977 fun = fun | 4; /* Enable SiS/VIA compatibility mode (usefull for
978 OPTi chipset motherboards too */
980 pci_conf_write(tag, 0x40, fun);
983 /* XXX call bt848_i2c dependent attach() routine */
984 #if defined(BKTR_USE_FREEBSD_SMBUS)
985 if (bt848_i2c_attach(unit, bktr, &bktr->i2c_sc))
986 printf("bktr%d: i2c_attach: can't attach\n", unit);
991 * PCI latency timer. 32 is a good value for 4 bus mastering slots, if
992 * you have more than four, then 16 would probably be a better value.
994 #ifndef BROOKTREE_DEF_LATENCY_VALUE
995 #define BROOKTREE_DEF_LATENCY_VALUE 10
997 latency = pci_conf_read(tag, PCI_LATENCY_TIMER);
998 latency = (latency >> 8) & 0xff;
1001 printf("brooktree%d: PCI bus latency is", unit);
1003 printf("brooktree%d: PCI bus latency was 0 changing to",
1007 latency = BROOKTREE_DEF_LATENCY_VALUE;
1008 pci_conf_write(tag, PCI_LATENCY_TIMER, latency<<8);
1010 if ( bootverbose ) {
1011 printf(" %d.\n", (int) latency);
1015 /* read the pci device id and revision id */
1016 fun = pci_conf_read(tag, PCI_ID_REG);
1017 rev = pci_conf_read(tag, PCIR_REVID) & 0x000000ff;
1019 /* call the common attach code */
1020 common_bktr_attach( bktr, unit, fun, rev );
1026 * Special Memory Allocation
1029 get_bktr_mem( int unit, unsigned size )
1031 vm_offset_t addr = 0;
1033 addr = vm_page_alloc_contig(size, 0x100000, 0xffffffff, 1<<24);
1035 addr = vm_page_alloc_contig(size, 0x100000, 0xffffffff,
1038 printf("bktr%d: Unable to allocate %d bytes of memory.\n",
1045 /*---------------------------------------------------------
1047 ** BrookTree 848 character device driver routines
1049 **---------------------------------------------------------
1053 #define VIDEO_DEV 0x00
1054 #define TUNER_DEV 0x01
1055 #define VBI_DEV 0x02
1057 #define UNIT(x) ((x) & 0x0f)
1058 #define FUNCTION(x) ((x >> 4) & 0x0f)
1065 bktr_open( dev_t dev, int flags, int fmt, struct proc *p )
1070 unit = UNIT( minor(dev) );
1071 if (unit >= NBKTR) /* unit out of range */
1074 bktr = &(brooktree[ unit ]);
1076 if (!(bktr->flags & METEOR_INITALIZED)) /* device not found */
1080 if (bt848_card != -1) {
1081 if ((bt848_card >> 8 == unit ) &&
1082 ( (bt848_card & 0xff) < Bt848_MAX_CARD )) {
1083 if ( bktr->bt848_card != (bt848_card & 0xff) ) {
1084 bktr->bt848_card = (bt848_card & 0xff);
1085 probeCard(bktr, FALSE, unit);
1090 if (bt848_tuner != -1) {
1091 if ((bt848_tuner >> 8 == unit ) &&
1092 ( (bt848_tuner & 0xff) < Bt848_MAX_TUNER )) {
1093 if ( bktr->bt848_tuner != (bt848_tuner & 0xff) ) {
1094 bktr->bt848_tuner = (bt848_tuner & 0xff);
1095 probeCard(bktr, FALSE, unit);
1100 if (bt848_reverse_mute != -1) {
1101 if ((bt848_reverse_mute >> 8) == unit ) {
1102 bktr->reverse_mute = bt848_reverse_mute & 0xff;
1106 if (bt848_slow_msp_audio != -1) {
1107 if ((bt848_slow_msp_audio >> 8) == unit ) {
1108 bktr->slow_msp_audio = (bt848_slow_msp_audio & 0xff);
1112 switch ( FUNCTION( minor(dev) ) ) {
1114 return( video_open( bktr ) );
1116 return( tuner_open( bktr ) );
1118 return( vbi_open( bktr ) );
1128 bktr_close( dev_t dev, int flags, int fmt, struct proc *p )
1133 unit = UNIT( minor(dev) );
1134 if (unit >= NBKTR) /* unit out of range */
1137 bktr = &(brooktree[ unit ]);
1139 switch ( FUNCTION( minor(dev) ) ) {
1141 return( video_close( bktr ) );
1143 return( tuner_close( bktr ) );
1145 return( vbi_close( bktr ) );
1155 bktr_read( dev_t dev, struct uio *uio, int ioflag )
1160 unit = UNIT(minor(dev));
1161 if (unit >= NBKTR) /* unit out of range */
1164 bktr = &(brooktree[unit]);
1166 switch ( FUNCTION( minor(dev) ) ) {
1168 return( video_read( bktr, unit, dev, uio ) );
1170 return( vbi_read( bktr, uio, ioflag ) );
1180 bktr_write( dev_t dev, struct uio *uio, int ioflag )
1182 return( EINVAL ); /* XXX or ENXIO ? */
1189 bktr_ioctl( dev_t dev, ioctl_cmd_t cmd, caddr_t arg, int flag, struct proc* pr )
1194 unit = UNIT(minor(dev));
1195 if (unit >= NBKTR) /* unit out of range */
1198 bktr = &(brooktree[ unit ]);
1200 if (bktr->bigbuf == 0) /* no frame buffer allocated (ioctl failed) */
1203 switch ( FUNCTION( minor(dev) ) ) {
1205 return( video_ioctl( bktr, unit, cmd, arg, pr ) );
1207 return( tuner_ioctl( bktr, unit, cmd, arg, pr ) );
1215 * Note: 2.2.5/2.2.6/2.2.7/3.0 users must manually
1216 * edit the line below and change "vm_offset_t" to "int"
1218 int bktr_mmap( dev_t dev, vm_offset_t offset, int nprot )
1224 unit = UNIT(minor(dev));
1226 if (unit >= NBKTR || FUNCTION(minor(dev)) > 0)
1229 bktr = &(brooktree[ unit ]);
1231 if (nprot & PROT_EXEC)
1237 if (offset >= bktr->alloc_pages * PAGE_SIZE)
1240 return( i386_btop(vtophys(bktr->bigbuf) + offset) );
1243 int bktr_poll( dev_t dev, int events, struct proc *p)
1249 unit = UNIT(minor(dev));
1254 bktr = &(brooktree[ unit ]);
1258 if (events & (POLLIN | POLLRDNORM)) {
1260 switch ( FUNCTION( minor(dev) ) ) {
1262 if(bktr->vbisize == 0)
1263 selrecord(p, &bktr->vbi_select);
1265 revents |= events & (POLLIN | POLLRDNORM);
1276 #endif /* FreeBSD 2.2.x and 3.x specific kernel interface routines */
1283 #if defined(__bsdi__)
1284 #endif /* __bsdi__ BSDI specific kernel interface routines */
1287 /*****************************/
1288 /* *** OpenBSD / NetBSD *** */
1289 /*****************************/
1290 #if defined(__NetBSD__) || defined(__OpenBSD__)
1292 #define IPL_VIDEO IPL_BIO /* XXX */
1294 static int bktr_intr(void *arg) { return common_bktr_intr(arg); }
1296 #define bktr_open bktropen
1297 #define bktr_close bktrclose
1298 #define bktr_read bktrread
1299 #define bktr_write bktrwrite
1300 #define bktr_ioctl bktrioctl
1301 #define bktr_mmap bktrmmap
1303 vm_offset_t vm_page_alloc_contig(vm_offset_t, vm_offset_t,
1304 vm_offset_t, vm_offset_t);
1306 #if defined(__OpenBSD__)
1307 static int bktr_probe __P((struct device *, void *, void *));
1309 static int bktr_probe __P((struct device *, struct cfdata *, void *));
1311 static void bktr_attach __P((struct device *, struct device *, void *));
1313 struct cfattach bktr_ca = {
1314 sizeof(struct bktr_softc), bktr_probe, bktr_attach
1317 #if defined(__NetBSD__)
1318 extern struct cfdriver bktr_cd;
1320 struct cfdriver bktr_cd = {
1321 NULL, "bktr", DV_DULL
1326 bktr_probe(parent, match, aux)
1327 struct device *parent;
1328 #if defined(__OpenBSD__)
1331 struct cfdata *match;
1335 struct pci_attach_args *pa = aux;
1337 if (PCI_VENDOR(pa->pa_id) == PCI_VENDOR_BROOKTREE &&
1338 (PCI_PRODUCT(pa->pa_id) == PCI_PRODUCT_BROOKTREE_BT848 ||
1339 PCI_PRODUCT(pa->pa_id) == PCI_PRODUCT_BROOKTREE_BT849 ||
1340 PCI_PRODUCT(pa->pa_id) == PCI_PRODUCT_BROOKTREE_BT878 ||
1341 PCI_PRODUCT(pa->pa_id) == PCI_PRODUCT_BROOKTREE_BT879))
1349 * the attach routine.
1352 bktr_attach(struct device *parent, struct device *self, void *aux)
1359 #if defined(__OpenBSD__)
1360 struct pci_attach_args *pa = aux;
1361 pci_chipset_tag_t pc = pa->pa_pc;
1363 pci_intr_handle_t ih;
1364 const char *intrstr;
1368 bktr = (bktr_ptr_t)self;
1369 unit = bktr->bktr_dev.dv_unit;
1371 bktr->pc = pa->pa_pc;
1372 bktr->tag = pa->pa_tag;
1373 bktr->dmat = pa->pa_dmat;
1378 bktr->memt = pa->pa_memt;
1379 retval = pci_mem_find(pc, pa->pa_tag, PCI_MAPREG_START,
1380 &bktr->phys_base, &bktr->obmemsz, NULL);
1382 retval = bus_space_map(pa->pa_memt, bktr->phys_base,
1383 bktr->obmemsz, 0, &bktr->memh);
1385 printf(": couldn't map memory\n");
1393 if (pci_intr_map(pa->pa_pc, pa->pa_intrtag, pa->pa_intrpin,
1394 pa->pa_intrline, &ih)) {
1395 printf(": couldn't map interrupt\n");
1398 intrstr = pci_intr_string(pa->pa_pc, ih);
1400 bktr->ih = pci_intr_establish(pa->pa_pc, ih, IPL_VIDEO,
1401 bktr_intr, bktr, bktr->bktr_dev.dv_xname);
1402 if (bktr->ih == NULL) {
1403 printf(": couldn't establish interrupt");
1404 if (intrstr != NULL)
1405 printf(" at %s", intrstr);
1410 if (intrstr != NULL)
1411 printf(": %s\n", intrstr);
1412 #endif /* __OpenBSD__ */
1414 #if defined(__NetBSD__)
1415 struct pci_attach_args *pa = aux;
1416 pci_intr_handle_t ih;
1417 const char *intrstr;
1421 bktr = (bktr_ptr_t)self;
1422 unit = bktr->bktr_dev.dv_unit;
1423 bktr->dmat = pa->pa_dmat;
1430 retval = pci_mapreg_map(pa, PCI_MAPREG_START,
1432 | PCI_MAPREG_MEM_TYPE_32BIT, 0,
1433 &bktr->memt, &bktr->memh, NULL,
1435 DPR(("pci_mapreg_map: memt %x, memh %x, size %x\n",
1436 bktr->memt, (u_int)bktr->memh, (u_int)bktr->obmemsz));
1438 printf("%s: couldn't map memory\n", bktr_name(bktr));
1443 * Disable the brooktree device
1445 OUTL(bktr, BKTR_INT_MASK, ALL_INTS_DISABLED);
1446 OUTW(bktr, BKTR_GPIO_DMA_CTL, FIFO_RISC_DISABLED);
1451 if (pci_intr_map(pa->pa_pc, pa->pa_intrtag, pa->pa_intrpin,
1452 pa->pa_intrline, &ih)) {
1453 printf("%s: couldn't map interrupt\n",
1457 intrstr = pci_intr_string(pa->pa_pc, ih);
1458 bktr->ih = pci_intr_establish(pa->pa_pc, ih, IPL_VIDEO,
1460 if (bktr->ih == NULL) {
1461 printf("%s: couldn't establish interrupt",
1463 if (intrstr != NULL)
1464 printf(" at %s", intrstr);
1468 if (intrstr != NULL)
1469 printf("%s: interrupting at %s\n", bktr_name(bktr),
1471 #endif /* __NetBSD__ */
1474 * PCI latency timer. 32 is a good value for 4 bus mastering slots, if
1475 * you have more than four, then 16 would probably be a better value.
1477 #ifndef BROOKTREE_DEF_LATENCY_VALUE
1478 #define BROOKTREE_DEF_LATENCY_VALUE 10
1480 latency = pci_conf_read(pa->pa_pc, pa->pa_tag, PCI_LATENCY_TIMER);
1481 latency = (latency >> 8) & 0xff;
1485 printf("%s: PCI bus latency was 0 changing to %d",
1486 bktr_name(bktr), BROOKTREE_DEF_LATENCY_VALUE);
1488 latency = BROOKTREE_DEF_LATENCY_VALUE;
1489 pci_conf_write(pa->pa_pc, pa->pa_tag,
1490 PCI_LATENCY_TIMER, latency<<8);
1494 /* Enabled Bus Master
1495 XXX: check if all old DMA is stopped first (e.g. after warm
1497 fun = pci_conf_read(pa->pa_pc, pa->pa_tag, PCI_COMMAND_STATUS_REG);
1498 pci_conf_write(pa->pa_pc, pa->pa_tag, PCI_COMMAND_STATUS_REG,
1499 fun | PCI_COMMAND_MASTER_ENABLE);
1501 /* read the pci id and determine the card type */
1502 fun = pci_conf_read(pa->pa_pc, pa->pa_tag, PCI_ID_REG);
1503 rev = pci_conf_read(pa->pa_pc, pa->pa_tag, PCI_CLASS_REG) & 0x000000ff;
1505 common_bktr_attach(bktr, unit, fun, rev);
1510 * Special Memory Allocation
1513 get_bktr_mem(bktr, dmapp, size)
1515 bus_dmamap_t *dmapp;
1518 bus_dma_tag_t dmat = bktr->dmat;
1519 bus_dma_segment_t seg;
1525 * Allocate a DMA area
1528 if (bus_dmamem_alloc(dmat, size, align, 0, &seg, 1,
1529 &rseg, BUS_DMA_NOWAIT)) {
1531 if (bus_dmamem_alloc(dmat, size, align, 0, &seg, 1,
1532 &rseg, BUS_DMA_NOWAIT)) {
1533 printf("%s: Unable to dmamem_alloc of %d bytes\n",
1534 bktr_name(bktr), size);
1538 if (bus_dmamem_map(dmat, &seg, rseg, size,
1539 &kva, BUS_DMA_NOWAIT|BUS_DMA_COHERENT)) {
1540 printf("%s: Unable to dmamem_map of %d bytes\n",
1541 bktr_name(bktr), size);
1542 bus_dmamem_free(dmat, &seg, rseg);
1546 bktr->dm_mapsize = size;
1549 * Create and locd the DMA map for the DMA area
1551 if (bus_dmamap_create(dmat, size, 1, size, 0, BUS_DMA_NOWAIT, dmapp)) {
1552 printf("%s: Unable to dmamap_create of %d bytes\n",
1553 bktr_name(bktr), size);
1554 bus_dmamem_unmap(dmat, kva, size);
1555 bus_dmamem_free(dmat, &seg, rseg);
1558 if (bus_dmamap_load(dmat, *dmapp, kva, size, NULL, BUS_DMA_NOWAIT)) {
1559 printf("%s: Unable to dmamap_load of %d bytes\n",
1560 bktr_name(bktr), size);
1561 bus_dmamem_unmap(dmat, kva, size);
1562 bus_dmamem_free(dmat, &seg, rseg);
1563 bus_dmamap_destroy(dmat, *dmapp);
1566 return (vm_offset_t)kva;
1570 free_bktr_mem(bktr, dmap, kva)
1575 bus_dma_tag_t dmat = bktr->dmat;
1578 bus_dmamem_unmap(dmat, (caddr_t)kva, dmap->dm_mapsize);
1580 bus_dmamem_unmap(dmat, (caddr_t)kva, bktr->dm_mapsize);
1582 bus_dmamem_free(dmat, dmap->dm_segs, 1);
1583 bus_dmamap_destroy(dmat, dmap);
1587 /*---------------------------------------------------------
1589 ** BrookTree 848 character device driver routines
1591 **---------------------------------------------------------
1595 #define VIDEO_DEV 0x00
1596 #define TUNER_DEV 0x01
1597 #define VBI_DEV 0x02
1599 #define UNIT(x) (minor((x) & 0x0f))
1600 #define FUNCTION(x) (minor((x >> 4) & 0x0f))
1606 bktr_open(dev_t dev, int flags, int fmt, struct proc *p)
1613 /* unit out of range */
1614 if ((unit > bktr_cd.cd_ndevs) || (bktr_cd.cd_devs[unit] == NULL))
1617 bktr = bktr_cd.cd_devs[unit];
1619 if (!(bktr->flags & METEOR_INITALIZED)) /* device not found */
1622 switch (FUNCTION(dev)) {
1624 return(video_open(bktr));
1626 return(tuner_open(bktr));
1628 return(vbi_open(bktr));
1639 bktr_close(dev_t dev, int flags, int fmt, struct proc *p)
1646 bktr = bktr_cd.cd_devs[unit];
1648 switch (FUNCTION(dev)) {
1650 return(video_close(bktr));
1652 return(tuner_close(bktr));
1654 return(vbi_close(bktr));
1664 bktr_read(dev_t dev, struct uio *uio, int ioflag)
1671 bktr = bktr_cd.cd_devs[unit];
1673 switch (FUNCTION(dev)) {
1675 return(video_read(bktr, unit, dev, uio));
1677 return(vbi_read(bktr, uio, ioflag));
1688 bktr_write(dev_t dev, struct uio *uio, int ioflag)
1690 /* operation not supported */
1698 bktr_ioctl(dev_t dev, ioctl_cmd_t cmd, caddr_t arg, int flag, struct proc* pr)
1705 bktr = bktr_cd.cd_devs[unit];
1707 if (bktr->bigbuf == 0) /* no frame buffer allocated (ioctl failed) */
1710 switch (FUNCTION(dev)) {
1712 return(video_ioctl(bktr, unit, cmd, arg, pr));
1714 return(tuner_ioctl(bktr, unit, cmd, arg, pr));
1724 bktr_mmap(dev_t dev, off_t offset, int nprot)
1731 if (FUNCTION(dev) > 0) /* only allow mmap on /dev/bktr[n] */
1734 bktr = bktr_cd.cd_devs[unit];
1736 if ((vaddr_t)offset < 0)
1739 if ((vaddr_t)offset >= bktr->alloc_pages * PAGE_SIZE)
1743 return (bus_dmamem_mmap(bktr->dmat, bktr->dm_mem->dm_segs, 1,
1744 (vaddr_t)offset, nprot, BUS_DMA_WAITOK));
1746 return(i386_btop(vtophys(bktr->bigbuf) + offset));
1750 #endif /* __NetBSD__ || __OpenBSD__ */