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 1.6 2003/08/27 06:48:15 rob 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 <bus/pci/pcivar.h>
103 #include <bus/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 "bktr_reg.h"
185 #include "bktr_tuner.h"
186 #include "bktr_card.h"
187 #include "bktr_audio.h"
188 #include "bktr_core.h"
190 #if defined(BKTR_USE_FREEBSD_SMBUS)
191 #include "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 = {
237 /* maj */ CDEV_MAJOR,
242 /* open */ bktr_open,
243 /* close */ bktr_close,
244 /* read */ bktr_read,
245 /* write */ bktr_write,
246 /* ioctl */ bktr_ioctl,
247 /* poll */ bktr_poll,
248 /* mmap */ bktr_mmap,
249 /* strategy */ nostrategy,
254 DRIVER_MODULE(bktr, pci, bktr_driver, bktr_devclass, 0, 0);
255 #if (__FreeBSD_version > 410000)
256 MODULE_DEPEND(bktr, bktr_mem, 1,1,1);
257 MODULE_VERSION(bktr, 1);
262 * the boot time probe routine.
265 bktr_probe( device_t dev )
267 unsigned int type = pci_get_devid(dev);
268 unsigned int rev = pci_get_revid(dev);
270 if (PCI_VENDOR(type) == PCI_VENDOR_BROOKTREE)
272 switch (PCI_PRODUCT(type)) {
273 case PCI_PRODUCT_BROOKTREE_BT848:
275 device_set_desc(dev, "BrookTree 848A");
277 device_set_desc(dev, "BrookTree 848");
279 case PCI_PRODUCT_BROOKTREE_BT849:
280 device_set_desc(dev, "BrookTree 849A");
282 case PCI_PRODUCT_BROOKTREE_BT878:
283 device_set_desc(dev, "BrookTree 878");
285 case PCI_PRODUCT_BROOKTREE_BT879:
286 device_set_desc(dev, "BrookTree 879");
296 * the attach routine.
299 bktr_attach( device_t dev )
308 u_long old_irq, new_irq;
311 struct bktr_softc *bktr = device_get_softc(dev);
313 unit = device_get_unit(dev);
315 /* build the device name for bktr_name() */
316 snprintf(bktr->bktr_xname, sizeof(bktr->bktr_xname), "bktr%d",unit);
319 * Enable bus mastering and Memory Mapped device
321 val = pci_read_config(dev, PCIR_COMMAND, 4);
322 val |= (PCIM_CMD_MEMEN|PCIM_CMD_BUSMASTEREN);
323 pci_write_config(dev, PCIR_COMMAND, val, 4);
326 * Map control/status registers.
328 bktr->mem_rid = PCIR_MAPS;
329 bktr->res_mem = bus_alloc_resource(dev, SYS_RES_MEMORY, &bktr->mem_rid,
330 0, ~0, 1, RF_ACTIVE);
333 if (!bktr->res_mem) {
334 device_printf(dev, "could not map memory\n");
338 bktr->memt = rman_get_bustag(bktr->res_mem);
339 bktr->memh = rman_get_bushandle(bktr->res_mem);
343 * Disable the brooktree device
345 OUTL(bktr, BKTR_INT_MASK, ALL_INTS_DISABLED);
346 OUTW(bktr, BKTR_GPIO_DMA_CTL, FIFO_RISC_DISABLED);
349 #ifdef BROOKTREE_IRQ /* from the configuration file */
350 old_irq = pci_conf_read(tag, PCI_INTERRUPT_REG);
351 pci_conf_write(tag, PCI_INTERRUPT_REG, BROOKTREE_IRQ);
352 new_irq = pci_conf_read(tag, PCI_INTERRUPT_REG);
353 printf("bktr%d: attach: irq changed from %d to %d\n",
354 unit, (old_irq & 0xff), (new_irq & 0xff));
358 * Allocate our interrupt.
361 bktr->res_irq = bus_alloc_resource(dev, SYS_RES_IRQ, &bktr->irq_rid,
362 0, ~0, 1, RF_SHAREABLE | RF_ACTIVE);
363 if (bktr->res_irq == NULL) {
364 device_printf(dev, "could not map interrupt\n");
369 error = bus_setup_intr(dev, bktr->res_irq, INTR_TYPE_TTY,
370 bktr_intr, bktr, &bktr->res_ih);
372 device_printf(dev, "could not setup irq\n");
378 /* Update the Device Control Register */
379 /* on Bt878 and Bt879 cards */
380 fun = pci_read_config( dev, 0x40, 2);
381 fun = fun | 1; /* Enable writes to the sub-system vendor ID */
383 #if defined( BKTR_430_FX_MODE )
384 if (bootverbose) printf("Using 430 FX chipset compatibilty mode\n");
385 fun = fun | 2; /* Enable Intel 430 FX compatibility mode */
388 #if defined( BKTR_SIS_VIA_MODE )
389 if (bootverbose) printf("Using SiS/VIA chipset compatibilty mode\n");
390 fun = fun | 4; /* Enable SiS/VIA compatibility mode (usefull for
391 OPTi chipset motherboards too */
393 pci_write_config(dev, 0x40, fun, 2);
396 /* XXX call bt848_i2c dependent attach() routine */
397 #if defined(BKTR_USE_FREEBSD_SMBUS)
398 if (bt848_i2c_attach(unit, bktr, &bktr->i2c_sc))
399 printf("bktr%d: i2c_attach: can't attach\n", unit);
404 * PCI latency timer. 32 is a good value for 4 bus mastering slots, if
405 * you have more than four, then 16 would probably be a better value.
407 #ifndef BROOKTREE_DEF_LATENCY_VALUE
408 #define BROOKTREE_DEF_LATENCY_VALUE 10
410 latency = pci_read_config(dev, PCI_LATENCY_TIMER, 4);
411 latency = (latency >> 8) & 0xff;
414 printf("brooktree%d: PCI bus latency is", unit);
416 printf("brooktree%d: PCI bus latency was 0 changing to",
420 latency = BROOKTREE_DEF_LATENCY_VALUE;
421 pci_write_config(dev, PCI_LATENCY_TIMER, latency<<8, 4);
424 printf(" %d.\n", (int) latency);
427 /* read the pci device id and revision id */
428 fun = pci_get_devid(dev);
429 rev = pci_get_revid(dev);
431 /* call the common attach code */
432 common_bktr_attach( bktr, unit, fun, rev );
434 /* make the device entries */
435 bktr->bktrdev = make_dev(&bktr_cdevsw, unit,
436 0, 0, 0444, "bktr%d", unit);
437 bktr->tunerdev= make_dev(&bktr_cdevsw, unit+16,
438 0, 0, 0444, "tuner%d", unit);
439 bktr->vbidev = make_dev(&bktr_cdevsw, unit+32,
440 0, 0, 0444, "vbi%d" , unit);
443 /* if this is unit 0 (/dev/bktr0, /dev/tuner0, /dev/vbi0) then make */
444 /* alias entries to /dev/bktr /dev/tuner and /dev/vbi */
445 #if (__FreeBSD_version >=500000)
447 bktr->bktrdev_alias = make_dev_alias(bktr->bktrdev, "bktr");
448 bktr->tunerdev_alias= make_dev_alias(bktr->tunerdev, "tuner");
449 bktr->vbidev_alias = make_dev_alias(bktr->vbidev, "vbi");
457 bus_release_resource(dev, SYS_RES_IRQ, bktr->irq_rid, bktr->res_irq);
459 bus_release_resource(dev, SYS_RES_IRQ, bktr->mem_rid, bktr->res_mem);
465 * the detach routine.
468 bktr_detach( device_t dev )
472 struct bktr_softc *bktr = device_get_softc(dev);
474 unit = device_get_unit(dev);
476 /* Disable the brooktree device */
477 OUTL(bktr, BKTR_INT_MASK, ALL_INTS_DISABLED);
478 OUTW(bktr, BKTR_GPIO_DMA_CTL, FIFO_RISC_DISABLED);
480 /* Note: We do not free memory for RISC programs, grab buffer, vbi buffers */
481 /* The memory is retained by the bktr_mem module so we can unload and */
482 /* then reload the main bktr driver module */
484 /* Unregister the /dev/bktrN, tunerN and vbiN devices */
485 destroy_dev(bktr->vbidev);
486 destroy_dev(bktr->tunerdev);
487 destroy_dev(bktr->bktrdev);
489 /* If this is unit 0, then destroy the alias entries too */
490 #if (__FreeBSD_version >=500000)
492 destroy_dev(bktr->vbidev_alias);
493 destroy_dev(bktr->tunerdev_alias);
494 destroy_dev(bktr->bktrdev_alias);
499 * Deallocate resources.
501 bus_teardown_intr(dev, bktr->res_irq, bktr->res_ih);
502 bus_release_resource(dev, SYS_RES_IRQ, bktr->irq_rid, bktr->res_irq);
503 bus_release_resource(dev, SYS_RES_MEMORY, bktr->mem_rid, bktr->res_mem);
509 * the shutdown routine.
512 bktr_shutdown( device_t dev )
514 struct bktr_softc *bktr = device_get_softc(dev);
516 /* Disable the brooktree device */
517 OUTL(bktr, BKTR_INT_MASK, ALL_INTS_DISABLED);
518 OUTW(bktr, BKTR_GPIO_DMA_CTL, FIFO_RISC_DISABLED);
525 * Special Memory Allocation
528 get_bktr_mem( int unit, unsigned size )
530 vm_offset_t addr = 0;
532 addr = vm_page_alloc_contig(size, 0, 0xffffffff, 1<<24);
534 addr = vm_page_alloc_contig(size, 0, 0xffffffff, PAGE_SIZE);
536 printf("bktr%d: Unable to allocate %d bytes of memory.\n",
544 /*---------------------------------------------------------
546 ** BrookTree 848 character device driver routines
548 **---------------------------------------------------------
551 #define VIDEO_DEV 0x00
552 #define TUNER_DEV 0x01
555 #define UNIT(x) ((x) & 0x0f)
556 #define FUNCTION(x) (x >> 4)
562 bktr_open( dev_t dev, int flags, int fmt, d_thread_t *td)
568 unit = UNIT( minor(dev) );
570 /* Get the device data */
571 bktr = (struct bktr_softc*)devclass_get_softc(bktr_devclass, unit);
573 /* the device is no longer valid/functioning */
577 if (!(bktr->flags & METEOR_INITALIZED)) /* device not found */
580 /* Record that the device is now busy */
581 device_busy(devclass_get_device(bktr_devclass, unit));
584 if (bt848_card != -1) {
585 if ((bt848_card >> 8 == unit ) &&
586 ( (bt848_card & 0xff) < Bt848_MAX_CARD )) {
587 if ( bktr->bt848_card != (bt848_card & 0xff) ) {
588 bktr->bt848_card = (bt848_card & 0xff);
589 probeCard(bktr, FALSE, unit);
594 if (bt848_tuner != -1) {
595 if ((bt848_tuner >> 8 == unit ) &&
596 ( (bt848_tuner & 0xff) < Bt848_MAX_TUNER )) {
597 if ( bktr->bt848_tuner != (bt848_tuner & 0xff) ) {
598 bktr->bt848_tuner = (bt848_tuner & 0xff);
599 probeCard(bktr, FALSE, unit);
604 if (bt848_reverse_mute != -1) {
605 if ((bt848_reverse_mute >> 8) == unit ) {
606 bktr->reverse_mute = bt848_reverse_mute & 0xff;
610 if (bt848_slow_msp_audio != -1) {
611 if ((bt848_slow_msp_audio >> 8) == unit ) {
612 bktr->slow_msp_audio = (bt848_slow_msp_audio & 0xff);
616 switch ( FUNCTION( minor(dev) ) ) {
618 result = video_open( bktr );
621 result = tuner_open( bktr );
624 result = vbi_open( bktr );
631 /* If there was an error opening the device, undo the busy status */
633 device_unbusy(devclass_get_device(bktr_devclass, unit));
642 bktr_close( dev_t dev, int flags, int fmt, d_thread_t *td)
648 unit = UNIT( minor(dev) );
650 /* Get the device data */
651 bktr = (struct bktr_softc*)devclass_get_softc(bktr_devclass, unit);
653 /* the device is no longer valid/functioning */
657 switch ( FUNCTION( minor(dev) ) ) {
659 result = video_close( bktr );
662 result = tuner_close( bktr );
665 result = vbi_close( bktr );
672 device_unbusy(devclass_get_device(bktr_devclass, unit));
681 bktr_read( dev_t dev, struct uio *uio, int ioflag )
686 unit = UNIT(minor(dev));
688 /* Get the device data */
689 bktr = (struct bktr_softc*)devclass_get_softc(bktr_devclass, unit);
691 /* the device is no longer valid/functioning */
695 switch ( FUNCTION( minor(dev) ) ) {
697 return( video_read( bktr, unit, dev, uio ) );
699 return( vbi_read( bktr, uio, ioflag ) );
709 bktr_write( dev_t dev, struct uio *uio, int ioflag )
711 return( EINVAL ); /* XXX or ENXIO ? */
719 bktr_ioctl( dev_t dev, ioctl_cmd_t cmd, caddr_t arg, int flag, d_thread_t *td)
724 unit = UNIT(minor(dev));
726 /* Get the device data */
727 bktr = (struct bktr_softc*)devclass_get_softc(bktr_devclass, unit);
729 /* the device is no longer valid/functioning */
733 if (bktr->bigbuf == 0) /* no frame buffer allocated (ioctl failed) */
736 switch ( FUNCTION( minor(dev) ) ) {
738 return( video_ioctl( bktr, unit, cmd, arg, td ) );
740 return( tuner_ioctl( bktr, unit, cmd, arg, td ) );
751 bktr_mmap( dev_t dev, vm_offset_t offset, int nprot )
756 unit = UNIT(minor(dev));
758 if (FUNCTION(minor(dev)) > 0) /* only allow mmap on /dev/bktr[n] */
761 /* Get the device data */
762 bktr = (struct bktr_softc*)devclass_get_softc(bktr_devclass, unit);
764 /* the device is no longer valid/functioning */
768 if (nprot & PROT_EXEC)
774 if (offset >= bktr->alloc_pages * PAGE_SIZE)
777 return( atop(vtophys(bktr->bigbuf) + offset) );
780 int bktr_poll( dev_t dev, int events, d_thread_t *td)
785 DECLARE_INTR_MASK(s);
787 unit = UNIT(minor(dev));
789 /* Get the device data */
790 bktr = (struct bktr_softc*)devclass_get_softc(bktr_devclass, unit);
792 /* the device is no longer valid/functioning */
798 if (events & (POLLIN | POLLRDNORM)) {
800 switch ( FUNCTION( minor(dev) ) ) {
802 if(bktr->vbisize == 0)
803 selrecord(td, &bktr->vbi_select);
805 revents |= events & (POLLIN | POLLRDNORM);
815 #endif /* FreeBSD 4.x specific kernel interface routines */
817 /**********************************/
818 /* *** FreeBSD 2.2.x and 3.x *** */
819 /**********************************/
821 #if ((__FreeBSD__ == 2) || (__FreeBSD__ == 3))
823 static bktr_reg_t brooktree[ NBKTR ];
825 static const char* bktr_probe( pcici_t tag, pcidi_t type );
826 static void bktr_attach( pcici_t tag, int unit );
827 static void bktr_intr(void *arg) { common_bktr_intr(arg); }
829 static u_long bktr_count;
831 static struct pci_device bktr_device = {
838 DATA_SET (pcidevice_set, bktr_device);
840 static d_open_t bktr_open;
841 static d_close_t bktr_close;
842 static d_read_t bktr_read;
843 static d_write_t bktr_write;
844 static d_ioctl_t bktr_ioctl;
845 static d_mmap_t bktr_mmap;
846 static d_poll_t bktr_poll;
848 #define CDEV_MAJOR 92
849 static struct cdevsw bktr_cdevsw =
851 bktr_open, bktr_close, bktr_read, bktr_write,
852 bktr_ioctl, nostop, nullreset, nodevtotty,
853 bktr_poll, bktr_mmap, NULL, "bktr",
857 static int bktr_devsw_installed;
860 bktr_drvinit( void *unused )
864 if ( ! bktr_devsw_installed ) {
865 dev = makedev(CDEV_MAJOR, 0);
866 cdevsw_add(&dev,&bktr_cdevsw, NULL);
867 bktr_devsw_installed = 1;
871 SYSINIT(bktrdev,SI_SUB_DRIVERS,SI_ORDER_MIDDLE+CDEV_MAJOR,bktr_drvinit,NULL)
874 * the boot time probe routine.
877 bktr_probe( pcici_t tag, pcidi_t type )
879 unsigned int rev = pci_conf_read( tag, PCIR_REVID) & 0x000000ff;
881 if (PCI_VENDOR(type) == PCI_VENDOR_BROOKTREE)
883 switch (PCI_PRODUCT(type)) {
884 case PCI_PRODUCT_BROOKTREE_BT848:
885 if (rev == 0x12) return("BrookTree 848A");
886 else return("BrookTree 848");
887 case PCI_PRODUCT_BROOKTREE_BT849:
888 return("BrookTree 849A");
889 case PCI_PRODUCT_BROOKTREE_BT878:
890 return("BrookTree 878");
891 case PCI_PRODUCT_BROOKTREE_BT879:
892 return("BrookTree 879");
900 * the attach routine.
903 bktr_attach( pcici_t tag, int unit )
911 u_long old_irq, new_irq;
914 bktr = &brooktree[unit];
917 printf("brooktree%d: attach: only %d units configured.\n",
919 printf("brooktree%d: attach: invalid unit number.\n", unit);
923 /* build the device name for bktr_name() */
924 snprintf(bktr->bktr_xname, sizeof(bktr->bktr_xname), "bktr%d",unit);
926 /* Enable Memory Mapping */
927 fun = pci_conf_read(tag, PCI_COMMAND_STATUS_REG);
928 pci_conf_write(tag, PCI_COMMAND_STATUS_REG, fun | 2);
930 /* Enable Bus Mastering */
931 fun = pci_conf_read(tag, PCI_COMMAND_STATUS_REG);
932 pci_conf_write(tag, PCI_COMMAND_STATUS_REG, fun | 4);
938 * Map control/status registers
940 pci_map_mem( tag, PCI_MAP_REG_START, (vm_offset_t *) &base,
942 #if (__FreeBSD_version >= 300000)
943 bktr->memt = I386_BUS_SPACE_MEM; /* XXX should use proper bus space */
944 bktr->memh = (bus_space_handle_t)base; /* XXX functions here */
948 * Disable the brooktree device
950 OUTL(bktr, BKTR_INT_MASK, ALL_INTS_DISABLED);
951 OUTW(bktr, BKTR_GPIO_DMA_CTL, FIFO_RISC_DISABLED);
953 #ifdef BROOKTREE_IRQ /* from the configuration file */
954 old_irq = pci_conf_read(tag, PCI_INTERRUPT_REG);
955 pci_conf_write(tag, PCI_INTERRUPT_REG, BROOKTREE_IRQ);
956 new_irq = pci_conf_read(tag, PCI_INTERRUPT_REG);
957 printf("bktr%d: attach: irq changed from %d to %d\n",
958 unit, (old_irq & 0xff), (new_irq & 0xff));
962 * setup the interrupt handling routine
964 pci_map_int(tag, bktr_intr, (void*) bktr, &tty_imask);
967 /* Update the Device Control Register */
968 /* on Bt878 and Bt879 cards */
969 fun = pci_conf_read(tag, 0x40);
970 fun = fun | 1; /* Enable writes to the sub-system vendor ID */
972 #if defined( BKTR_430_FX_MODE )
973 if (bootverbose) printf("Using 430 FX chipset compatibilty mode\n");
974 fun = fun | 2; /* Enable Intel 430 FX compatibility mode */
977 #if defined( BKTR_SIS_VIA_MODE )
978 if (bootverbose) printf("Using SiS/VIA chipset compatibilty mode\n");
979 fun = fun | 4; /* Enable SiS/VIA compatibility mode (usefull for
980 OPTi chipset motherboards too */
982 pci_conf_write(tag, 0x40, fun);
985 /* XXX call bt848_i2c dependent attach() routine */
986 #if defined(BKTR_USE_FREEBSD_SMBUS)
987 if (bt848_i2c_attach(unit, bktr, &bktr->i2c_sc))
988 printf("bktr%d: i2c_attach: can't attach\n", unit);
993 * PCI latency timer. 32 is a good value for 4 bus mastering slots, if
994 * you have more than four, then 16 would probably be a better value.
996 #ifndef BROOKTREE_DEF_LATENCY_VALUE
997 #define BROOKTREE_DEF_LATENCY_VALUE 10
999 latency = pci_conf_read(tag, PCI_LATENCY_TIMER);
1000 latency = (latency >> 8) & 0xff;
1001 if ( bootverbose ) {
1003 printf("brooktree%d: PCI bus latency is", unit);
1005 printf("brooktree%d: PCI bus latency was 0 changing to",
1009 latency = BROOKTREE_DEF_LATENCY_VALUE;
1010 pci_conf_write(tag, PCI_LATENCY_TIMER, latency<<8);
1012 if ( bootverbose ) {
1013 printf(" %d.\n", (int) latency);
1017 /* read the pci device id and revision id */
1018 fun = pci_conf_read(tag, PCI_ID_REG);
1019 rev = pci_conf_read(tag, PCIR_REVID) & 0x000000ff;
1021 /* call the common attach code */
1022 common_bktr_attach( bktr, unit, fun, rev );
1028 * Special Memory Allocation
1031 get_bktr_mem( int unit, unsigned size )
1033 vm_offset_t addr = 0;
1035 addr = vm_page_alloc_contig(size, 0x100000, 0xffffffff, 1<<24);
1037 addr = vm_page_alloc_contig(size, 0x100000, 0xffffffff,
1040 printf("bktr%d: Unable to allocate %d bytes of memory.\n",
1047 /*---------------------------------------------------------
1049 ** BrookTree 848 character device driver routines
1051 **---------------------------------------------------------
1055 #define VIDEO_DEV 0x00
1056 #define TUNER_DEV 0x01
1057 #define VBI_DEV 0x02
1059 #define UNIT(x) ((x) & 0x0f)
1060 #define FUNCTION(x) ((x >> 4) & 0x0f)
1067 bktr_open( dev_t dev, int flags, int fmt, d_thread_t *td)
1072 unit = UNIT( minor(dev) );
1073 if (unit >= NBKTR) /* unit out of range */
1076 bktr = &(brooktree[ unit ]);
1078 if (!(bktr->flags & METEOR_INITALIZED)) /* device not found */
1082 if (bt848_card != -1) {
1083 if ((bt848_card >> 8 == unit ) &&
1084 ( (bt848_card & 0xff) < Bt848_MAX_CARD )) {
1085 if ( bktr->bt848_card != (bt848_card & 0xff) ) {
1086 bktr->bt848_card = (bt848_card & 0xff);
1087 probeCard(bktr, FALSE, unit);
1092 if (bt848_tuner != -1) {
1093 if ((bt848_tuner >> 8 == unit ) &&
1094 ( (bt848_tuner & 0xff) < Bt848_MAX_TUNER )) {
1095 if ( bktr->bt848_tuner != (bt848_tuner & 0xff) ) {
1096 bktr->bt848_tuner = (bt848_tuner & 0xff);
1097 probeCard(bktr, FALSE, unit);
1102 if (bt848_reverse_mute != -1) {
1103 if ((bt848_reverse_mute >> 8) == unit ) {
1104 bktr->reverse_mute = bt848_reverse_mute & 0xff;
1108 if (bt848_slow_msp_audio != -1) {
1109 if ((bt848_slow_msp_audio >> 8) == unit ) {
1110 bktr->slow_msp_audio = (bt848_slow_msp_audio & 0xff);
1114 switch ( FUNCTION( minor(dev) ) ) {
1116 return( video_open( bktr ) );
1118 return( tuner_open( bktr ) );
1120 return( vbi_open( bktr ) );
1130 bktr_close( dev_t dev, int flags, int fmt, d_thread_t *td)
1135 unit = UNIT( minor(dev) );
1136 if (unit >= NBKTR) /* unit out of range */
1139 bktr = &(brooktree[ unit ]);
1141 switch ( FUNCTION( minor(dev) ) ) {
1143 return( video_close( bktr ) );
1145 return( tuner_close( bktr ) );
1147 return( vbi_close( bktr ) );
1157 bktr_read( dev_t dev, struct uio *uio, int ioflag )
1162 unit = UNIT(minor(dev));
1163 if (unit >= NBKTR) /* unit out of range */
1166 bktr = &(brooktree[unit]);
1168 switch ( FUNCTION( minor(dev) ) ) {
1170 return( video_read( bktr, unit, dev, uio ) );
1172 return( vbi_read( bktr, uio, ioflag ) );
1182 bktr_write( dev_t dev, struct uio *uio, int ioflag )
1184 return( EINVAL ); /* XXX or ENXIO ? */
1191 bktr_ioctl( dev_t dev, ioctl_cmd_t cmd, caddr_t arg, int flag, d_thread_t *td)
1196 unit = UNIT(minor(dev));
1197 if (unit >= NBKTR) /* unit out of range */
1200 bktr = &(brooktree[ unit ]);
1202 if (bktr->bigbuf == 0) /* no frame buffer allocated (ioctl failed) */
1205 switch ( FUNCTION( minor(dev) ) ) {
1207 return( video_ioctl( bktr, unit, cmd, arg, td ) );
1209 return( tuner_ioctl( bktr, unit, cmd, arg, td ) );
1217 * Note: 2.2.5/2.2.6/2.2.7/3.0 users must manually
1218 * edit the line below and change "vm_offset_t" to "int"
1220 int bktr_mmap( dev_t dev, vm_offset_t offset, int nprot )
1226 unit = UNIT(minor(dev));
1228 if (unit >= NBKTR || FUNCTION(minor(dev)) > 0)
1231 bktr = &(brooktree[ unit ]);
1233 if (nprot & PROT_EXEC)
1239 if (offset >= bktr->alloc_pages * PAGE_SIZE)
1242 return( i386_btop(vtophys(bktr->bigbuf) + offset) );
1245 int bktr_poll( dev_t dev, int events, d_thread_t *td)
1251 unit = UNIT(minor(dev));
1256 bktr = &(brooktree[ unit ]);
1260 if (events & (POLLIN | POLLRDNORM)) {
1262 switch ( FUNCTION( minor(dev) ) ) {
1264 if(bktr->vbisize == 0)
1265 selrecord(p, &bktr->vbi_select);
1267 revents |= events & (POLLIN | POLLRDNORM);
1278 #endif /* FreeBSD 2.2.x and 3.x specific kernel interface routines */
1285 #if defined(__bsdi__)
1286 #endif /* __bsdi__ BSDI specific kernel interface routines */
1289 /*****************************/
1290 /* *** OpenBSD / NetBSD *** */
1291 /*****************************/
1292 #if defined(__NetBSD__) || defined(__OpenBSD__)
1294 #define IPL_VIDEO IPL_BIO /* XXX */
1296 static int bktr_intr(void *arg) { return common_bktr_intr(arg); }
1298 #define bktr_open bktropen
1299 #define bktr_close bktrclose
1300 #define bktr_read bktrread
1301 #define bktr_write bktrwrite
1302 #define bktr_ioctl bktrioctl
1303 #define bktr_mmap bktrmmap
1305 vm_offset_t vm_page_alloc_contig(vm_offset_t, vm_offset_t,
1306 vm_offset_t, vm_offset_t);
1308 #if defined(__OpenBSD__)
1309 static int bktr_probe (struct device *, void *, void *);
1311 static int bktr_probe (struct device *, struct cfdata *, void *);
1313 static void bktr_attach (struct device *, struct device *, void *);
1315 struct cfattach bktr_ca = {
1316 sizeof(struct bktr_softc), bktr_probe, bktr_attach
1319 #if defined(__NetBSD__)
1320 extern struct cfdriver bktr_cd;
1322 struct cfdriver bktr_cd = {
1323 NULL, "bktr", DV_DULL
1328 bktr_probe(parent, match, aux)
1329 struct device *parent;
1330 #if defined(__OpenBSD__)
1333 struct cfdata *match;
1337 struct pci_attach_args *pa = aux;
1339 if (PCI_VENDOR(pa->pa_id) == PCI_VENDOR_BROOKTREE &&
1340 (PCI_PRODUCT(pa->pa_id) == PCI_PRODUCT_BROOKTREE_BT848 ||
1341 PCI_PRODUCT(pa->pa_id) == PCI_PRODUCT_BROOKTREE_BT849 ||
1342 PCI_PRODUCT(pa->pa_id) == PCI_PRODUCT_BROOKTREE_BT878 ||
1343 PCI_PRODUCT(pa->pa_id) == PCI_PRODUCT_BROOKTREE_BT879))
1351 * the attach routine.
1354 bktr_attach(struct device *parent, struct device *self, void *aux)
1361 #if defined(__OpenBSD__)
1362 struct pci_attach_args *pa = aux;
1363 pci_chipset_tag_t pc = pa->pa_pc;
1365 pci_intr_handle_t ih;
1366 const char *intrstr;
1370 bktr = (bktr_ptr_t)self;
1371 unit = bktr->bktr_dev.dv_unit;
1373 bktr->pc = pa->pa_pc;
1374 bktr->tag = pa->pa_tag;
1375 bktr->dmat = pa->pa_dmat;
1380 bktr->memt = pa->pa_memt;
1381 retval = pci_mem_find(pc, pa->pa_tag, PCI_MAPREG_START,
1382 &bktr->phys_base, &bktr->obmemsz, NULL);
1384 retval = bus_space_map(pa->pa_memt, bktr->phys_base,
1385 bktr->obmemsz, 0, &bktr->memh);
1387 printf(": couldn't map memory\n");
1395 if (pci_intr_map(pa->pa_pc, pa->pa_intrtag, pa->pa_intrpin,
1396 pa->pa_intrline, &ih)) {
1397 printf(": couldn't map interrupt\n");
1400 intrstr = pci_intr_string(pa->pa_pc, ih);
1402 bktr->ih = pci_intr_establish(pa->pa_pc, ih, IPL_VIDEO,
1403 bktr_intr, bktr, bktr->bktr_dev.dv_xname);
1404 if (bktr->ih == NULL) {
1405 printf(": couldn't establish interrupt");
1406 if (intrstr != NULL)
1407 printf(" at %s", intrstr);
1412 if (intrstr != NULL)
1413 printf(": %s\n", intrstr);
1414 #endif /* __OpenBSD__ */
1416 #if defined(__NetBSD__)
1417 struct pci_attach_args *pa = aux;
1418 pci_intr_handle_t ih;
1419 const char *intrstr;
1423 bktr = (bktr_ptr_t)self;
1424 unit = bktr->bktr_dev.dv_unit;
1425 bktr->dmat = pa->pa_dmat;
1432 retval = pci_mapreg_map(pa, PCI_MAPREG_START,
1434 | PCI_MAPREG_MEM_TYPE_32BIT, 0,
1435 &bktr->memt, &bktr->memh, NULL,
1437 DPR(("pci_mapreg_map: memt %x, memh %x, size %x\n",
1438 bktr->memt, (u_int)bktr->memh, (u_int)bktr->obmemsz));
1440 printf("%s: couldn't map memory\n", bktr_name(bktr));
1445 * Disable the brooktree device
1447 OUTL(bktr, BKTR_INT_MASK, ALL_INTS_DISABLED);
1448 OUTW(bktr, BKTR_GPIO_DMA_CTL, FIFO_RISC_DISABLED);
1453 if (pci_intr_map(pa->pa_pc, pa->pa_intrtag, pa->pa_intrpin,
1454 pa->pa_intrline, &ih)) {
1455 printf("%s: couldn't map interrupt\n",
1459 intrstr = pci_intr_string(pa->pa_pc, ih);
1460 bktr->ih = pci_intr_establish(pa->pa_pc, ih, IPL_VIDEO,
1462 if (bktr->ih == NULL) {
1463 printf("%s: couldn't establish interrupt",
1465 if (intrstr != NULL)
1466 printf(" at %s", intrstr);
1470 if (intrstr != NULL)
1471 printf("%s: interrupting at %s\n", bktr_name(bktr),
1473 #endif /* __NetBSD__ */
1476 * PCI latency timer. 32 is a good value for 4 bus mastering slots, if
1477 * you have more than four, then 16 would probably be a better value.
1479 #ifndef BROOKTREE_DEF_LATENCY_VALUE
1480 #define BROOKTREE_DEF_LATENCY_VALUE 10
1482 latency = pci_conf_read(pa->pa_pc, pa->pa_tag, PCI_LATENCY_TIMER);
1483 latency = (latency >> 8) & 0xff;
1487 printf("%s: PCI bus latency was 0 changing to %d",
1488 bktr_name(bktr), BROOKTREE_DEF_LATENCY_VALUE);
1490 latency = BROOKTREE_DEF_LATENCY_VALUE;
1491 pci_conf_write(pa->pa_pc, pa->pa_tag,
1492 PCI_LATENCY_TIMER, latency<<8);
1496 /* Enabled Bus Master
1497 XXX: check if all old DMA is stopped first (e.g. after warm
1499 fun = pci_conf_read(pa->pa_pc, pa->pa_tag, PCI_COMMAND_STATUS_REG);
1500 pci_conf_write(pa->pa_pc, pa->pa_tag, PCI_COMMAND_STATUS_REG,
1501 fun | PCI_COMMAND_MASTER_ENABLE);
1503 /* read the pci id and determine the card type */
1504 fun = pci_conf_read(pa->pa_pc, pa->pa_tag, PCI_ID_REG);
1505 rev = pci_conf_read(pa->pa_pc, pa->pa_tag, PCI_CLASS_REG) & 0x000000ff;
1507 common_bktr_attach(bktr, unit, fun, rev);
1512 * Special Memory Allocation
1515 get_bktr_mem(bktr, dmapp, size)
1517 bus_dmamap_t *dmapp;
1520 bus_dma_tag_t dmat = bktr->dmat;
1521 bus_dma_segment_t seg;
1527 * Allocate a DMA area
1530 if (bus_dmamem_alloc(dmat, size, align, 0, &seg, 1,
1531 &rseg, BUS_DMA_NOWAIT)) {
1533 if (bus_dmamem_alloc(dmat, size, align, 0, &seg, 1,
1534 &rseg, BUS_DMA_NOWAIT)) {
1535 printf("%s: Unable to dmamem_alloc of %d bytes\n",
1536 bktr_name(bktr), size);
1540 if (bus_dmamem_map(dmat, &seg, rseg, size,
1541 &kva, BUS_DMA_NOWAIT|BUS_DMA_COHERENT)) {
1542 printf("%s: Unable to dmamem_map of %d bytes\n",
1543 bktr_name(bktr), size);
1544 bus_dmamem_free(dmat, &seg, rseg);
1548 bktr->dm_mapsize = size;
1551 * Create and locd the DMA map for the DMA area
1553 if (bus_dmamap_create(dmat, size, 1, size, 0, BUS_DMA_NOWAIT, dmapp)) {
1554 printf("%s: Unable to dmamap_create of %d bytes\n",
1555 bktr_name(bktr), size);
1556 bus_dmamem_unmap(dmat, kva, size);
1557 bus_dmamem_free(dmat, &seg, rseg);
1560 if (bus_dmamap_load(dmat, *dmapp, kva, size, NULL, BUS_DMA_NOWAIT)) {
1561 printf("%s: Unable to dmamap_load of %d bytes\n",
1562 bktr_name(bktr), size);
1563 bus_dmamem_unmap(dmat, kva, size);
1564 bus_dmamem_free(dmat, &seg, rseg);
1565 bus_dmamap_destroy(dmat, *dmapp);
1568 return (vm_offset_t)kva;
1572 free_bktr_mem(bktr, dmap, kva)
1577 bus_dma_tag_t dmat = bktr->dmat;
1580 bus_dmamem_unmap(dmat, (caddr_t)kva, dmap->dm_mapsize);
1582 bus_dmamem_unmap(dmat, (caddr_t)kva, bktr->dm_mapsize);
1584 bus_dmamem_free(dmat, dmap->dm_segs, 1);
1585 bus_dmamap_destroy(dmat, dmap);
1589 /*---------------------------------------------------------
1591 ** BrookTree 848 character device driver routines
1593 **---------------------------------------------------------
1597 #define VIDEO_DEV 0x00
1598 #define TUNER_DEV 0x01
1599 #define VBI_DEV 0x02
1601 #define UNIT(x) (minor((x) & 0x0f))
1602 #define FUNCTION(x) (minor((x >> 4) & 0x0f))
1608 bktr_open(dev_t dev, int flags, int fmt, d_thread_t *td)
1615 /* unit out of range */
1616 if ((unit > bktr_cd.cd_ndevs) || (bktr_cd.cd_devs[unit] == NULL))
1619 bktr = bktr_cd.cd_devs[unit];
1621 if (!(bktr->flags & METEOR_INITALIZED)) /* device not found */
1624 switch (FUNCTION(dev)) {
1626 return(video_open(bktr));
1628 return(tuner_open(bktr));
1630 return(vbi_open(bktr));
1641 bktr_close(dev_t dev, int flags, int fmt, d_thread_t *td)
1648 bktr = bktr_cd.cd_devs[unit];
1650 switch (FUNCTION(dev)) {
1652 return(video_close(bktr));
1654 return(tuner_close(bktr));
1656 return(vbi_close(bktr));
1666 bktr_read(dev_t dev, struct uio *uio, int ioflag)
1673 bktr = bktr_cd.cd_devs[unit];
1675 switch (FUNCTION(dev)) {
1677 return(video_read(bktr, unit, dev, uio));
1679 return(vbi_read(bktr, uio, ioflag));
1690 bktr_write(dev_t dev, struct uio *uio, int ioflag)
1692 /* operation not supported */
1700 bktr_ioctl(dev_t dev, ioctl_cmd_t cmd, caddr_t arg, int flag, d_thread_t *td)
1707 bktr = bktr_cd.cd_devs[unit];
1709 if (bktr->bigbuf == 0) /* no frame buffer allocated (ioctl failed) */
1712 switch (FUNCTION(dev)) {
1714 return(video_ioctl(bktr, unit, cmd, arg, td));
1716 return(tuner_ioctl(bktr, unit, cmd, arg, td));
1726 bktr_mmap(dev_t dev, off_t offset, int nprot)
1733 if (FUNCTION(dev) > 0) /* only allow mmap on /dev/bktr[n] */
1736 bktr = bktr_cd.cd_devs[unit];
1738 if ((vaddr_t)offset < 0)
1741 if ((vaddr_t)offset >= bktr->alloc_pages * PAGE_SIZE)
1745 return (bus_dmamem_mmap(bktr->dmat, bktr->dm_mem->dm_segs, 1,
1746 (vaddr_t)offset, nprot, BUS_DMA_WAITOK));
1748 return(i386_btop(vtophys(bktr->bigbuf) + offset));
1752 #endif /* __NetBSD__ || __OpenBSD__ */