/* $OpenBSD: bktr_os.c,v 1.19 2004/06/29 12:24:57 mickey Exp $ */ /* $FreeBSD: src/sys/dev/bktr/bktr_os.c,v 1.20 2000/10/20 08:16:53 roger Exp $ */ /* * This is part of the Driver for Video Capture Cards (Frame grabbers) * and TV Tuner cards using the Brooktree Bt848, Bt848A, Bt849A, Bt878, Bt879 * chipset. * Copyright Roger Hardiman and Amancio Hasty. * * bktr_os : This has all the Operating System dependant code, * probe/attach and open/close/ioctl/read/mmap * memory allocation * PCI bus interfacing * * */ /* * 1. Redistributions of source code must retain the * Copyright (c) 1997 Amancio Hasty, 1999 Roger Hardiman * All rights reserved. * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions * are met: * 1. Redistributions of source code must retain the above copyright * notice, this list of conditions and the following disclaimer. * 2. Redistributions in binary form must reproduce the above copyright * notice, this list of conditions and the following disclaimer in the * documentation and/or other materials provided with the distribution. * 3. All advertising materials mentioning features or use of this software * must display the following acknowledgement: * This product includes software developed by Amancio Hasty and * Roger Hardiman * 4. The name of the author may not be used to endorse or promote products * derived from this software without specific prior written permission. * * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE * DISCLAIMED. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, * INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN * ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE * POSSIBILITY OF SUCH DAMAGE. */ #ifdef __FreeBSD__ #include "bktr.h" #endif /* __FreeBSD__ */ #ifndef __OpenBSD__ #include "opt_bktr.h" /* include any kernel config options */ #endif #define FIFO_RISC_DISABLED 0 #define ALL_INTS_DISABLED 0 /*******************/ /* *** FreeBSD *** */ /*******************/ #ifdef __FreeBSD__ #include #include #include #include #include #include #include #include #include #include #include #include #include #if (__FreeBSD_version >=400000) || (NSMBUS > 0) #include /* used by smbus and newbus */ #endif #if (__FreeBSD_version >=300000) #include /* used by bus space */ #include /* used by bus space and newbus */ #include #endif #if (__FreeBSD_version >=400000) #include /* used by newbus */ #include /* used by newbus */ #endif #if (__FreeBSD_version < 500000) #include /* for DELAY */ #endif #include #include #include int bt848_card = -1; int bt848_tuner = -1; int bt848_reverse_mute = -1; int bt848_format = -1; int bt848_slow_msp_audio = -1; SYSCTL_NODE(_hw, OID_AUTO, bt848, CTLFLAG_RW, 0, "Bt848 Driver mgmt"); SYSCTL_INT(_hw_bt848, OID_AUTO, card, CTLFLAG_RW, &bt848_card, -1, ""); SYSCTL_INT(_hw_bt848, OID_AUTO, tuner, CTLFLAG_RW, &bt848_tuner, -1, ""); SYSCTL_INT(_hw_bt848, OID_AUTO, reverse_mute, CTLFLAG_RW, &bt848_reverse_mute, -1, ""); SYSCTL_INT(_hw_bt848, OID_AUTO, format, CTLFLAG_RW, &bt848_format, -1, ""); SYSCTL_INT(_hw_bt848, OID_AUTO, slow_msp_audio, CTLFLAG_RW, &bt848_slow_msp_audio, -1, ""); #if (__FreeBSD__ == 2) #define PCIR_REVID PCI_CLASS_REG #endif #endif /* end freebsd section */ /****************/ /* *** BSDI *** */ /****************/ #ifdef __bsdi__ #endif /* __bsdi__ */ /**************************/ /* *** OpenBSD/NetBSD *** */ /**************************/ #if defined(__NetBSD__) || defined(__OpenBSD__) #include "radio.h" #include #include #include #include #include #include #include #include #include #include #if NRADIO > 0 #include #include #endif #include #include #include #include #include #ifdef BKTR_DEBUG int bktr_debug = 1; #define DPR(x) (bktr_debug ? printf x : 0) #else #define DPR(x) #endif #endif /* __NetBSD__ || __OpenBSD__ */ #if defined(__NetBSD__) || defined(__OpenBSD__) #include /* NetBSD location for .h files */ #include #include #include #include #include #include #else /* Traditional location for .h files */ #include #include /* extensions to ioctl_meteor.h */ #include #include #include #include #include #include #if defined(BKTR_USE_FREEBSD_SMBUS) #include #endif #endif /****************************/ /* *** FreeBSD 4.x code *** */ /****************************/ #if (__FreeBSD_version >= 400000) static int bktr_probe( device_t dev ); static int bktr_attach( device_t dev ); static int bktr_detach( device_t dev ); static int bktr_shutdown( device_t dev ); static void bktr_intr(void *arg) { common_bktr_intr(arg); } static device_method_t bktr_methods[] = { /* Device interface */ DEVMETHOD(device_probe, bktr_probe), DEVMETHOD(device_attach, bktr_attach), DEVMETHOD(device_detach, bktr_detach), DEVMETHOD(device_shutdown, bktr_shutdown), { 0, 0 } }; static driver_t bktr_driver = { "bktr", bktr_methods, sizeof(struct bktr_softc), }; static devclass_t bktr_devclass; 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 = { /* open */ bktr_open, /* close */ bktr_close, /* read */ bktr_read, /* write */ bktr_write, /* ioctl */ bktr_ioctl, /* poll */ bktr_poll, /* mmap */ bktr_mmap, /* strategy */ nostrategy, /* name */ "bktr", /* maj */ CDEV_MAJOR, /* dump */ nodump, /* psize */ nopsize, /* flags */ 0, /* bmaj */ -1 }; DRIVER_MODULE(bktr, pci, bktr_driver, bktr_devclass, 0, 0); #if (__FreeBSD_version > 410000) MODULE_DEPEND(bktr, bktr_mem, 1,1,1); MODULE_VERSION(bktr, 1); #endif /* * the boot time probe routine. */ static int bktr_probe( device_t dev ) { unsigned int type = pci_get_devid(dev); unsigned int rev = pci_get_revid(dev); if (PCI_VENDOR(type) == PCI_VENDOR_BROOKTREE) { switch (PCI_PRODUCT(type)) { case PCI_PRODUCT_BROOKTREE_BT848: if (rev == 0x12) device_set_desc(dev, "BrookTree 848A"); else device_set_desc(dev, "BrookTree 848"); return 0; case PCI_PRODUCT_BROOKTREE_BT849: device_set_desc(dev, "BrookTree 849A"); return 0; case PCI_PRODUCT_BROOKTREE_BT878: device_set_desc(dev, "BrookTree 878"); return 0; case PCI_PRODUCT_BROOKTREE_BT879: device_set_desc(dev, "BrookTree 879"); return 0; } } return ENXIO; } /* * the attach routine. */ static int bktr_attach( device_t dev ) { u_int latency; u_int fun; u_int val; unsigned int rev; unsigned int unit; int error = 0; #ifdef BROOKTREE_IRQ u_int old_irq, new_irq; #endif struct bktr_softc *bktr = device_get_softc(dev); unit = device_get_unit(dev); /* build the device name for bktr_name() */ snprintf(bktr->bktr_xname, sizeof(bktr->bktr_xname), "bktr%d",unit); /* * Enable bus mastering and Memory Mapped device */ val = pci_read_config(dev, PCIR_COMMAND, 4); val |= (PCIM_CMD_MEMEN|PCIM_CMD_BUSMASTEREN); pci_write_config(dev, PCIR_COMMAND, val, 4); /* * Map control/status registers. */ bktr->mem_rid = PCIR_MAPS; bktr->res_mem = bus_alloc_resource(dev, SYS_RES_MEMORY, &bktr->mem_rid, 0, ~0, 1, RF_ACTIVE); if (!bktr->res_mem) { device_printf(dev, "could not map memory\n"); error = ENXIO; goto fail; } bktr->memt = rman_get_bustag(bktr->res_mem); bktr->memh = rman_get_bushandle(bktr->res_mem); /* * Disable the brooktree device */ OUTL(bktr, BKTR_INT_MASK, ALL_INTS_DISABLED); OUTW(bktr, BKTR_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 /* * Allocate our interrupt. */ bktr->irq_rid = 0; bktr->res_irq = bus_alloc_resource(dev, SYS_RES_IRQ, &bktr->irq_rid, 0, ~0, 1, RF_SHAREABLE | RF_ACTIVE); if (bktr->res_irq == NULL) { device_printf(dev, "could not map interrupt\n"); error = ENXIO; goto fail; } error = bus_setup_intr(dev, bktr->res_irq, INTR_TYPE_TTY, bktr_intr, bktr, &bktr->res_ih); if (error) { device_printf(dev, "could not setup irq\n"); goto fail; } /* Update the Device Control Register */ /* on Bt878 and Bt879 cards */ fun = pci_read_config( dev, 0x40, 2); fun = fun | 1; /* Enable writes to the sub-system vendor ID */ #if defined( BKTR_430_FX_MODE ) if (bootverbose) printf("Using 430 FX chipset compatibility 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 compatibility mode\n"); fun = fun | 4; /* Enable SiS/VIA compatibility mode (usefull for OPTi chipset motherboards too */ #endif pci_write_config(dev, 0x40, fun, 2); /* XXX call bt848_i2c dependent attach() routine */ #if defined(BKTR_USE_FREEBSD_SMBUS) if (bt848_i2c_attach(unit, bktr, &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_read_config(dev, PCI_LATENCY_TIMER, 4); 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_write_config(dev, PCI_LATENCY_TIMER, latency<<8, 4); } if ( bootverbose ) { printf(" %d.\n", (int) latency); } /* read the pci device id and revision id */ fun = pci_get_devid(dev); rev = pci_get_revid(dev); /* call the common attach code */ common_bktr_attach( bktr, unit, fun, rev ); /* make the device entries */ bktr->bktrdev = make_dev(&bktr_cdevsw, unit, 0, 0, 0444, "bktr%d", unit); bktr->tunerdev= make_dev(&bktr_cdevsw, unit+16, 0, 0, 0444, "tuner%d", unit); bktr->vbidev = make_dev(&bktr_cdevsw, unit+32, 0, 0, 0444, "vbi%d" , unit); /* if this is unit 0 (/dev/bktr0, /dev/tuner0, /dev/vbi0) then make */ /* alias entries to /dev/bktr /dev/tuner and /dev/vbi */ #if (__FreeBSD_version >=500000) if (unit == 0) { bktr->bktrdev_alias = make_dev_alias(bktr->bktrdev, "bktr"); bktr->tunerdev_alias= make_dev_alias(bktr->tunerdev, "tuner"); bktr->vbidev_alias = make_dev_alias(bktr->vbidev, "vbi"); } #endif return 0; fail: if (bktr->res_irq) bus_release_resource(dev, SYS_RES_IRQ, bktr->irq_rid, bktr->res_irq); if (bktr->res_mem) bus_release_resource(dev, SYS_RES_IRQ, bktr->mem_rid, bktr->res_mem); return error; } /* * the detach routine. */ static int bktr_detach( device_t dev ) { unsigned int unit; struct bktr_softc *bktr = device_get_softc(dev); unit = device_get_unit(dev); /* Disable the brooktree device */ OUTL(bktr, BKTR_INT_MASK, ALL_INTS_DISABLED); OUTW(bktr, BKTR_GPIO_DMA_CTL, FIFO_RISC_DISABLED); /* Note: We do not free memory for RISC programs, grab buffer, vbi buffers */ /* The memory is retained by the bktr_mem module so we can unload and */ /* then reload the main bktr driver module */ /* Unregister the /dev/bktrN, tunerN and vbiN devices */ destroy_dev(bktr->vbidev); destroy_dev(bktr->tunerdev); destroy_dev(bktr->bktrdev); /* If this is unit 0, then destroy the alias entries too */ #if (__FreeBSD_version >=500000) if (unit == 0) { destroy_dev(bktr->vbidev_alias); destroy_dev(bktr->tunerdev_alias); destroy_dev(bktr->bktrdev_alias); } #endif /* * Deallocate resources. */ bus_teardown_intr(dev, bktr->res_irq, bktr->res_ih); bus_release_resource(dev, SYS_RES_IRQ, bktr->irq_rid, bktr->res_irq); bus_release_resource(dev, SYS_RES_MEMORY, bktr->mem_rid, bktr->res_mem); return 0; } /* * the shutdown routine. */ static int bktr_shutdown( device_t dev ) { struct bktr_softc *bktr = device_get_softc(dev); /* Disable the brooktree device */ OUTL(bktr, BKTR_INT_MASK, ALL_INTS_DISABLED); OUTW(bktr, BKTR_GPIO_DMA_CTL, FIFO_RISC_DISABLED); return 0; } /* * Special Memory Allocation */ vm_offset_t get_bktr_mem( int unit, unsigned size ) { vm_offset_t addr = 0; addr = vm_page_alloc_contig(size, 0, 0xffffffff, 1<<24); if (addr == 0) addr = vm_page_alloc_contig(size, 0, 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) /* * */ static int bktr_open( 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); } if (!(bktr->flags & METEOR_INITALIZED)) /* device not found */ return( ENXIO ); /* Record that the device is now busy */ device_busy(devclass_get_device(bktr_devclass, unit)); 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 ) { bktr->reverse_mute = bt848_reverse_mute & 0xff; } } if (bt848_slow_msp_audio != -1) { if ((bt848_slow_msp_audio >> 8) == unit ) { bktr->slow_msp_audio = (bt848_slow_msp_audio & 0xff); } } 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 ); } /* * */ static 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 ); } /* * */ static 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 ); } /* * */ static int bktr_write( dev_t dev, struct uio *uio, int ioflag ) { return( EINVAL ); /* XXX or ENXIO ? */ } /* * */ static 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 ); } /* * */ static 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( atop(vtophys(bktr->bigbuf) + offset) ); } static int bktr_poll( dev_t dev, int events, struct proc *p) { int unit; bktr_ptr_t bktr; int revents = 0; DECLARE_INTR_MASK(s); 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(s); 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(s); return (revents); } #endif /* FreeBSD 4.x specific kernel interface routines */ /*****************/ /* *** BSDI *** */ /*****************/ #if defined(__bsdi__) #endif /* __bsdi__ BSDI specific kernel interface routines */ /*****************************/ /* *** OpenBSD / NetBSD *** */ /*****************************/ #if defined(__NetBSD__) || defined(__OpenBSD__) #define IPL_VIDEO IPL_BIO /* XXX */ static int bktr_intr(void *arg) { return common_bktr_intr(arg); } #define bktr_open bktropen #define bktr_close bktrclose #define bktr_read bktrread #define bktr_write bktrwrite #define bktr_ioctl bktrioctl #define bktr_mmap bktrmmap #ifdef __OpenBSD__ int bktr_open(dev_t, int, int, struct proc *); int bktr_close(dev_t, int, int, struct proc *); int bktr_read(dev_t, struct uio *, int); int bktr_write(dev_t, struct uio *, int); int bktr_ioctl(dev_t, ioctl_cmd_t, caddr_t, int, struct proc *); paddr_t bktr_mmap(dev_t, off_t, int); #endif #if defined(__OpenBSD__) static int bktr_probe(struct device *, void *, void *); #else vm_offset_t vm_page_alloc_contig(vm_offset_t, vm_offset_t, vm_offset_t, vm_offset_t); static int bktr_probe(struct device *, struct cfdata *, void *); #endif static void bktr_attach(struct device *, struct device *, void *); struct cfattach bktr_ca = { sizeof(struct bktr_softc), bktr_probe, bktr_attach }; #if defined(__NetBSD__) extern struct cfdriver bktr_cd; #else struct cfdriver bktr_cd = { NULL, "bktr", DV_DULL }; #endif #if NRADIO > 0 /* for radio(4) */ int bktr_get_info(void *, struct radio_info *); int bktr_set_info(void *, struct radio_info *); struct radio_hw_if bktr_hw_if = { NULL, /* open */ NULL, /* close */ bktr_get_info, bktr_set_info, NULL /* search */ }; #endif int bktr_probe(parent, match, aux) struct device *parent; #if defined(__OpenBSD__) void *match; #else struct cfdata *match; #endif void *aux; { struct pci_attach_args *pa = aux; if (PCI_VENDOR(pa->pa_id) == PCI_VENDOR_BROOKTREE && (PCI_PRODUCT(pa->pa_id) == PCI_PRODUCT_BROOKTREE_BT848 || PCI_PRODUCT(pa->pa_id) == PCI_PRODUCT_BROOKTREE_BT849 || PCI_PRODUCT(pa->pa_id) == PCI_PRODUCT_BROOKTREE_BT878 || PCI_PRODUCT(pa->pa_id) == PCI_PRODUCT_BROOKTREE_BT879)) return 1; return 0; } /* * the attach routine. */ static void bktr_attach(struct device *parent, struct device *self, void *aux) { bktr_ptr_t bktr; u_int latency; u_int fun; unsigned int rev; struct pci_attach_args *pa = aux; pci_intr_handle_t ih; const char *intrstr; int retval; int unit; bktr = (bktr_ptr_t)self; unit = bktr->bktr_dev.dv_unit; bktr->dmat = pa->pa_dmat; /* Enabled Bus Master XXX: check if all old DMA is stopped first (e.g. after warm boot) */ fun = pci_conf_read(pa->pa_pc, pa->pa_tag, PCI_COMMAND_STATUS_REG); DPR((" fun=%b", fun, PCI_COMMAND_STATUS_BITS)); pci_conf_write(pa->pa_pc, pa->pa_tag, PCI_COMMAND_STATUS_REG, fun | PCI_COMMAND_MEM_ENABLE | PCI_COMMAND_MASTER_ENABLE | PCI_COMMAND_BACKTOBACK_ENABLE); #ifndef __OpenBSD__ printf("\n"); #endif /* * map memory */ retval = pci_mapreg_map(pa, PCI_MAPREG_START, PCI_MAPREG_TYPE_MEM | PCI_MAPREG_MEM_TYPE_32BIT, 0, &bktr->memt, &bktr->memh, NULL, &bktr->obmemsz, 0); DPR(("pci_mapreg_map: memt %lx, memh %lx, size %x\n", bktr->memt, bktr->memh, bktr->obmemsz)); if (retval) { printf("%s: couldn't map memory\n", bktr_name(bktr)); return; } /* * Disable the brooktree device */ OUTL(bktr, BKTR_INT_MASK, ALL_INTS_DISABLED); OUTW(bktr, BKTR_GPIO_DMA_CTL, FIFO_RISC_DISABLED); /* * map interrupt */ if (pci_intr_map(pa, &ih)) { printf("%s: couldn't map interrupt\n", bktr_name(bktr)); return; } intrstr = pci_intr_string(pa->pa_pc, ih); #ifdef __OpenBSD__ bktr->ih = pci_intr_establish(pa->pa_pc, ih, IPL_VIDEO, bktr_intr, bktr, bktr->bktr_dev.dv_xname); #else bktr->ih = pci_intr_establish(pa->pa_pc, ih, IPL_VIDEO, bktr_intr, bktr); #endif if (bktr->ih == NULL) { printf("%s: couldn't establish interrupt", bktr_name(bktr)); if (intrstr != NULL) printf(" at %s", intrstr); printf("\n"); return; } if (intrstr != NULL) #ifdef __NetBSD__ printf("%s: interrupting at %s\n", bktr_name(bktr), intrstr); #else printf(": %s\n", intrstr); #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 0x10 #endif latency = pci_conf_read(pa->pa_pc, pa->pa_tag, PCI_LATENCY_TIMER); latency = (latency >> 8) & 0xff; if (!latency) { if (bootverbose) { printf("%s: PCI bus latency was 0 changing to %d", bktr_name(bktr), BROOKTREE_DEF_LATENCY_VALUE); } latency = BROOKTREE_DEF_LATENCY_VALUE; pci_conf_write(pa->pa_pc, pa->pa_tag, PCI_LATENCY_TIMER, latency<<8); } /* read the pci id and determine the card type */ fun = pci_conf_read(pa->pa_pc, pa->pa_tag, PCI_ID_REG); rev = PCI_REVISION(pci_conf_read(pa->pa_pc, pa->pa_tag, PCI_CLASS_REG)); common_bktr_attach(bktr, unit, fun, rev); #if NRADIO > 0 if (bktr->card.tuner->pllControl[3] != 0x00) radio_attach_mi(&bktr_hw_if, bktr, &bktr->bktr_dev); #endif } /* * Special Memory Allocation */ vaddr_t get_bktr_mem(bktr, dmapp, size) bktr_ptr_t bktr; bus_dmamap_t *dmapp; unsigned int size; { bus_dma_tag_t dmat = bktr->dmat; bus_dma_segment_t seg; bus_size_t align; int rseg; caddr_t kva; /* * Allocate a DMA area */ align = 1 << 24; if (bus_dmamem_alloc(dmat, size, align, 0, &seg, 1, &rseg, BUS_DMA_NOWAIT)) { align = PAGE_SIZE; if (bus_dmamem_alloc(dmat, size, align, 0, &seg, 1, &rseg, BUS_DMA_NOWAIT)) { printf("%s: Unable to dmamem_alloc of %d bytes\n", bktr_name(bktr), size); return 0; } } if (bus_dmamem_map(dmat, &seg, rseg, size, &kva, BUS_DMA_NOWAIT|BUS_DMA_COHERENT)) { printf("%s: Unable to dmamem_map of %d bytes\n", bktr_name(bktr), size); bus_dmamem_free(dmat, &seg, rseg); return 0; } /* * Create and locd the DMA map for the DMA area */ if (bus_dmamap_create(dmat, size, 1, size, 0, BUS_DMA_NOWAIT, dmapp)) { printf("%s: Unable to dmamap_create of %d bytes\n", bktr_name(bktr), size); bus_dmamem_unmap(dmat, kva, size); bus_dmamem_free(dmat, &seg, rseg); return 0; } if (bus_dmamap_load(dmat, *dmapp, kva, size, NULL, BUS_DMA_NOWAIT)) { printf("%s: Unable to dmamap_load of %d bytes\n", bktr_name(bktr), size); bus_dmamem_unmap(dmat, kva, size); bus_dmamem_free(dmat, &seg, rseg); bus_dmamap_destroy(dmat, *dmapp); return 0; } return (vaddr_t)kva; } void free_bktr_mem(bktr, dmap, kva) bktr_ptr_t bktr; bus_dmamap_t dmap; vaddr_t kva; { bus_dma_tag_t dmat = bktr->dmat; bus_dmamem_unmap(dmat, (caddr_t)kva, dmap->dm_mapsize); bus_dmamem_free(dmat, dmap->dm_segs, 1); bus_dmamap_destroy(dmat, dmap); } /*--------------------------------------------------------- ** ** BrookTree 848 character device driver routines ** **--------------------------------------------------------- */ #define VIDEO_DEV 0x00 #define TUNER_DEV 0x01 #define VBI_DEV 0x02 #define UNIT(x) (minor((x) & 0x0f)) #define FUNCTION(x) (minor((x >> 4) & 0x0f)) /* * */ int bktr_open(dev_t dev, int flags, int fmt, struct proc *p) { bktr_ptr_t bktr; int unit; unit = UNIT(dev); /* unit out of range */ if ((unit >= bktr_cd.cd_ndevs) || (bktr_cd.cd_devs[unit] == NULL)) return(ENXIO); bktr = bktr_cd.cd_devs[unit]; if (!(bktr->flags & METEOR_INITALIZED)) /* device not found */ return(ENXIO); switch (FUNCTION(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(dev); bktr = bktr_cd.cd_devs[unit]; switch (FUNCTION(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(dev); bktr = bktr_cd.cd_devs[unit]; switch (FUNCTION(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) { /* operation not supported */ return(EOPNOTSUPP); } /* * */ 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(dev); bktr = bktr_cd.cd_devs[unit]; if (bktr->bigbuf == 0) /* no frame buffer allocated (ioctl failed) */ return(ENOMEM); switch (FUNCTION(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); } /* * */ paddr_t bktr_mmap(dev_t dev, off_t offset, int nprot) { int unit; bktr_ptr_t bktr; unit = UNIT(dev); if (FUNCTION(dev) > 0) /* only allow mmap on /dev/bktr[n] */ return(-1); bktr = bktr_cd.cd_devs[unit]; if ((vaddr_t)offset < 0) return(-1); if ((vaddr_t)offset >= bktr->alloc_pages * PAGE_SIZE) return(-1); return (bus_dmamem_mmap(bktr->dmat, bktr->dm_mem->dm_segs, 1, (vaddr_t)offset, nprot, BUS_DMA_WAITOK)); } #if NRADIO > 0 int bktr_set_info(void *v, struct radio_info *ri) { struct bktr_softc *sc = v; u_int32_t freq; if (ri->mute) { /* mute the audio stream by switching the mux */ set_audio(sc, AUDIO_MUTE); /* disable drivers on the GPIO port that controls the MUXes */ OUTL(sc, BKTR_GPIO_OUT_EN, INL(sc, BKTR_GPIO_OUT_EN) & ~sc->card.gpio_mux_bits); } else { /* enable drivers on the GPIO port that controls the MUXes */ OUTL(sc, BKTR_GPIO_OUT_EN, INL(sc, BKTR_GPIO_OUT_EN) | sc->card.gpio_mux_bits); /* unmute the audio stream */ set_audio(sc, AUDIO_UNMUTE); init_audio_devices(sc); } freq = ri->freq / 10; set_audio(sc, AUDIO_INTERN); /* use internal audio */ temp_mute(sc, TRUE); ri->freq = tv_freq(sc, freq, FM_RADIO_FREQUENCY) * 10; temp_mute(sc, FALSE); return (0); } int bktr_get_info(void *v, struct radio_info *ri) { struct bktr_softc *sc = v; struct TVTUNER *tv = &sc->tuner; int status; status = get_tuner_status(sc); #define STATUSBIT_STEREO 0x10 ri->mute = (int)sc->audio_mute_state ? 1 : 0; ri->caps = RADIO_CAPS_DETECT_STEREO | RADIO_CAPS_HW_AFC; ri->freq = tv->frequency * 10; ri->info = (status & STATUSBIT_STEREO) ? RADIO_INFO_STEREO : 0; /* not yet supported */ ri->volume = ri->rfreq = ri->lock = 0; /* * The field ri->stereo is used to forcible switch to * mono/stereo, not as an indicator of received signal quality. * The ri->info is for that purpose. */ ri->stereo = 1; /* Can't switch to mono, always stereo */ return (0); } #endif /* NRADIO */ #endif /* __NetBSD__ || __OpenBSD__ */