diff options
Diffstat (limited to 'sys/dev/sound/isa/sbc.c')
| -rw-r--r-- | sys/dev/sound/isa/sbc.c | 782 |
1 files changed, 782 insertions, 0 deletions
diff --git a/sys/dev/sound/isa/sbc.c b/sys/dev/sound/isa/sbc.c new file mode 100644 index 0000000..d57ed7e --- /dev/null +++ b/sys/dev/sound/isa/sbc.c @@ -0,0 +1,782 @@ +/* + * Copyright (c) 1999 Seigo Tanimura + * 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. + * + * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``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 OR CONTRIBUTORS 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. + */ + +#include <dev/sound/chip.h> +#include <dev/sound/pcm/sound.h> +#include <dev/sound/isa/sb.h> + +SND_DECLARE_FILE("$FreeBSD$"); + +#define IO_MAX 3 +#define IRQ_MAX 1 +#define DRQ_MAX 2 +#define INTR_MAX 2 + +struct sbc_softc; + +struct sbc_ihl { + driver_intr_t *intr[INTR_MAX]; + void *intr_arg[INTR_MAX]; + struct sbc_softc *parent; +}; + +/* Here is the parameter structure per a device. */ +struct sbc_softc { + device_t dev; /* device */ + device_t child_pcm, child_midi1, child_midi2; + + int io_rid[IO_MAX]; /* io port rids */ + struct resource *io[IO_MAX]; /* io port resources */ + int io_alloced[IO_MAX]; /* io port alloc flag */ + + int irq_rid[IRQ_MAX]; /* irq rids */ + struct resource *irq[IRQ_MAX]; /* irq resources */ + int irq_alloced[IRQ_MAX]; /* irq alloc flag */ + + int drq_rid[DRQ_MAX]; /* drq rids */ + struct resource *drq[DRQ_MAX]; /* drq resources */ + int drq_alloced[DRQ_MAX]; /* drq alloc flag */ + + struct sbc_ihl ihl[IRQ_MAX]; + + void *ih[IRQ_MAX]; + + struct mtx *lock; + + u_int32_t bd_ver; +}; + +static int sbc_probe(device_t dev); +static int sbc_attach(device_t dev); +static void sbc_intr(void *p); + +static struct resource *sbc_alloc_resource(device_t bus, device_t child, int type, int *rid, + u_long start, u_long end, u_long count, u_int flags); +static int sbc_release_resource(device_t bus, device_t child, int type, int rid, + struct resource *r); +static int sbc_setup_intr(device_t dev, device_t child, struct resource *irq, + int flags, driver_intr_t *intr, void *arg, + void **cookiep); +static int sbc_teardown_intr(device_t dev, device_t child, struct resource *irq, + void *cookie); + +static int alloc_resource(struct sbc_softc *scp); +static int release_resource(struct sbc_softc *scp); + +static devclass_t sbc_devclass; + +static int io_range[3] = {0x10, 0x2, 0x4}; + +#ifdef PC98 /* I/O address table for PC98 */ +static bus_addr_t pcm_iat[] = { + 0x000, 0x100, 0x200, 0x300, 0x400, 0x500, 0x600, 0x700, + 0x800, 0x900, 0xa00, 0xb00, 0xc00, 0xd00, 0xe00, 0xf00 +}; +static bus_addr_t midi_iat[] = { + 0x000, 0x100 +}; +static bus_addr_t opl_iat[] = { + 0x000, 0x100, 0x200, 0x300 +}; +static bus_addr_t *sb_iat[] = { pcm_iat, midi_iat, opl_iat }; +#endif + +static int sb_rd(struct resource *io, int reg); +static void sb_wr(struct resource *io, int reg, u_int8_t val); +static int sb_dspready(struct resource *io); +static int sb_cmd(struct resource *io, u_char val); +static u_int sb_get_byte(struct resource *io); +static void sb_setmixer(struct resource *io, u_int port, u_int value); + +static void +sbc_lockinit(struct sbc_softc *scp) +{ + scp->lock = snd_mtxcreate(device_get_nameunit(scp->dev), "sound softc"); +} + +static void +sbc_lockdestroy(struct sbc_softc *scp) +{ + snd_mtxfree(scp->lock); +} + +void +sbc_lock(struct sbc_softc *scp) +{ + snd_mtxlock(scp->lock); +} + +void +sbc_unlock(struct sbc_softc *scp) +{ + snd_mtxunlock(scp->lock); +} + +static int +sb_rd(struct resource *io, int reg) +{ + return bus_space_read_1(rman_get_bustag(io), + rman_get_bushandle(io), + reg); +} + +static void +sb_wr(struct resource *io, int reg, u_int8_t val) +{ + return bus_space_write_1(rman_get_bustag(io), + rman_get_bushandle(io), + reg, val); +} + +static int +sb_dspready(struct resource *io) +{ + return ((sb_rd(io, SBDSP_STATUS) & 0x80) == 0); +} + +static int +sb_dspwr(struct resource *io, u_char val) +{ + int i; + + for (i = 0; i < 1000; i++) { + if (sb_dspready(io)) { + sb_wr(io, SBDSP_CMD, val); + return 1; + } + if (i > 10) DELAY((i > 100)? 1000 : 10); + } + printf("sb_dspwr(0x%02x) timed out.\n", val); + return 0; +} + +static int +sb_cmd(struct resource *io, u_char val) +{ + return sb_dspwr(io, val); +} + +static void +sb_setmixer(struct resource *io, u_int port, u_int value) +{ + u_long flags; + + flags = spltty(); + sb_wr(io, SB_MIX_ADDR, (u_char) (port & 0xff)); /* Select register */ + DELAY(10); + sb_wr(io, SB_MIX_DATA, (u_char) (value & 0xff)); + DELAY(10); + splx(flags); +} + +static u_int +sb_get_byte(struct resource *io) +{ + int i; + + for (i = 1000; i > 0; i--) { + if (sb_rd(io, DSP_DATA_AVAIL) & 0x80) + return sb_rd(io, DSP_READ); + else + DELAY(20); + } + return 0xffff; +} + +static int +sb_reset_dsp(struct resource *io) +{ + sb_wr(io, SBDSP_RST, 3); + DELAY(100); + sb_wr(io, SBDSP_RST, 0); + return (sb_get_byte(io) == 0xAA)? 0 : ENXIO; +} + +static int +sb_identify_board(struct resource *io) +{ + int ver, essver, rev; + + sb_cmd(io, DSP_CMD_GETVER); /* Get version */ + ver = (sb_get_byte(io) << 8) | sb_get_byte(io); + if (ver < 0x100 || ver > 0x4ff) return 0; + if (ver == 0x0301) { + /* Try to detect ESS chips. */ + sb_cmd(io, DSP_CMD_GETID); /* Return ident. bytes. */ + essver = (sb_get_byte(io) << 8) | sb_get_byte(io); + rev = essver & 0x000f; + essver &= 0xfff0; + if (essver == 0x4880) ver |= 0x1000; + else if (essver == 0x6880) ver = 0x0500 | rev; + } + return ver; +} + +static struct isa_pnp_id sbc_ids[] = { + {0x01008c0e, "Creative ViBRA16C"}, /* CTL0001 */ + {0x31008c0e, "Creative SB16/SB32"}, /* CTL0031 */ + {0x41008c0e, "Creative SB16/SB32"}, /* CTL0041 */ + {0x42008c0e, "Creative SB AWE64"}, /* CTL0042 */ + {0x43008c0e, "Creative ViBRA16X"}, /* CTL0043 */ + {0x44008c0e, "Creative SB AWE64 Gold"}, /* CTL0044 */ + {0x45008c0e, "Creative SB AWE64"}, /* CTL0045 */ + {0x46008c0e, "Creative SB AWE64"}, /* CTL0046 */ + + {0x01000000, "Avance Logic ALS100+"}, /* @@@0001 - ViBRA16X clone */ + {0x01100000, "Avance Asound 110"}, /* @@@1001 */ + {0x01200000, "Avance Logic ALS120"}, /* @@@2001 - ViBRA16X clone */ + + {0x81167316, "ESS ES1681"}, /* ESS1681 */ + {0x02017316, "ESS ES1688"}, /* ESS1688 */ + {0x68187316, "ESS ES1868"}, /* ESS1868 */ + {0x03007316, "ESS ES1869"}, /* ESS1869 */ + {0x69187316, "ESS ES1869"}, /* ESS1869 */ + {0xabb0110e, "ESS ES1869 (Compaq OEM)"}, /* CPQb0ab */ + {0xacb0110e, "ESS ES1869 (Compaq OEM)"}, /* CPQb0ac */ + {0x78187316, "ESS ES1878"}, /* ESS1878 */ + {0x79187316, "ESS ES1879"}, /* ESS1879 */ + {0x88187316, "ESS ES1888"}, /* ESS1888 */ + {0x07017316, "ESS ES1888 (DEC OEM)"}, /* ESS0107 */ + {0x06017316, "ESS ES1888 (Dell OEM)"}, /* ESS0106 */ + {0} +}; + +static int +sbc_probe(device_t dev) +{ + char *s = NULL; + u_int32_t lid, vid; + + lid = isa_get_logicalid(dev); + vid = isa_get_vendorid(dev); + if (lid) { + if (lid == 0x01000000 && vid != 0x01009305) /* ALS0001 */ + return ENXIO; + /* Check pnp ids */ + return ISA_PNP_PROBE(device_get_parent(dev), dev, sbc_ids); + } else { + int rid = 0, ver; + struct resource *io; + +#ifdef PC98 + io = isa_alloc_resourcev(dev, SYS_RES_IOPORT, &rid, + pcm_iat, 16, RF_ACTIVE); +#else + io = bus_alloc_resource(dev, SYS_RES_IOPORT, &rid, + 0, ~0, 16, RF_ACTIVE); +#endif + if (!io) goto bad; +#ifdef PC98 + isa_load_resourcev(io, pcm_iat, 16); +#endif + if (sb_reset_dsp(io)) goto bad2; + ver = sb_identify_board(io); + if (ver == 0) goto bad2; + switch ((ver & 0x00000f00) >> 8) { + case 1: + device_set_desc(dev, "SoundBlaster 1.0 (not supported)"); + s = NULL; + break; + + case 2: + s = "SoundBlaster 2.0"; + break; + + case 3: + s = (ver & 0x0000f000)? "ESS 488" : "SoundBlaster Pro"; + break; + + case 4: + s = "SoundBlaster 16"; + break; + + case 5: + s = (ver & 0x00000008)? "ESS 688" : "ESS 1688"; + break; + } + if (s) device_set_desc(dev, s); +bad2: bus_release_resource(dev, SYS_RES_IOPORT, rid, io); +bad: return s? 0 : ENXIO; + } +} + +static int +sbc_attach(device_t dev) +{ + char *err = NULL; + struct sbc_softc *scp; + struct sndcard_func *func; + u_int32_t logical_id = isa_get_logicalid(dev); + int flags = device_get_flags(dev); + int f, dh, dl, x, irq, i; + + if (!logical_id && (flags & DV_F_DUAL_DMA)) { + bus_set_resource(dev, SYS_RES_DRQ, 1, + flags & DV_F_DRQ_MASK, 1); + } + + scp = device_get_softc(dev); + bzero(scp, sizeof(*scp)); + scp->dev = dev; + sbc_lockinit(scp); + err = "alloc_resource"; + if (alloc_resource(scp)) goto bad; + + err = "sb_reset_dsp"; + if (sb_reset_dsp(scp->io[0])) goto bad; + err = "sb_identify_board"; + scp->bd_ver = sb_identify_board(scp->io[0]) & 0x00000fff; + if (scp->bd_ver == 0) goto bad; + f = 0; + if (logical_id == 0x01200000 && scp->bd_ver < 0x0400) scp->bd_ver = 0x0499; + switch ((scp->bd_ver & 0x0f00) >> 8) { + case 1: /* old sound blaster has nothing... */ + break; + + case 2: + f |= BD_F_DUP_MIDI; + if (scp->bd_ver > 0x200) f |= BD_F_MIX_CT1335; + break; + + case 5: + f |= BD_F_ESS; + scp->bd_ver = 0x0301; + case 3: + f |= BD_F_DUP_MIDI | BD_F_MIX_CT1345; + break; + + case 4: + f |= BD_F_SB16 | BD_F_MIX_CT1745; + if (scp->drq[0]) dl = rman_get_start(scp->drq[0]); else dl = -1; + if (scp->drq[1]) dh = rman_get_start(scp->drq[1]); else dh = dl; + if (!logical_id && (dh < dl)) { + struct resource *r; + r = scp->drq[0]; + scp->drq[0] = scp->drq[1]; + scp->drq[1] = r; + dl = rman_get_start(scp->drq[0]); + dh = rman_get_start(scp->drq[1]); + } + /* soft irq/dma configuration */ + x = -1; + irq = rman_get_start(scp->irq[0]); +#ifdef PC98 + /* SB16 in PC98 use different IRQ table */ + if (irq == 3) x = 1; + else if (irq == 5) x = 8; + else if (irq == 10) x = 2; + else if (irq == 12) x = 4; + if (x == -1) { + err = "bad irq (3/5/10/12 valid)"; + goto bad; + } + else sb_setmixer(scp->io[0], IRQ_NR, x); + /* SB16 in PC98 use different dma setting */ + sb_setmixer(scp->io[0], DMA_NR, dh == 0 ? 1 : 2); +#else + if (irq == 5) x = 2; + else if (irq == 7) x = 4; + else if (irq == 9) x = 1; + else if (irq == 10) x = 8; + if (x == -1) { + err = "bad irq (5/7/9/10 valid)"; + goto bad; + } + else sb_setmixer(scp->io[0], IRQ_NR, x); + sb_setmixer(scp->io[0], DMA_NR, (1 << dh) | (1 << dl)); +#endif + if (bootverbose) { + device_printf(dev, "setting card to irq %d, drq %d", irq, dl); + if (dl != dh) printf(", %d", dh); + printf("\n"); + } + break; + } + + switch (logical_id) { + case 0x43008c0e: /* CTL0043 */ + case 0x01200000: + case 0x01000000: + f |= BD_F_SB16X; + break; + } + scp->bd_ver |= f << 16; + + err = "setup_intr"; + for (i = 0; i < IRQ_MAX; i++) { + scp->ihl[i].parent = scp; + if (snd_setup_intr(dev, scp->irq[i], INTR_MPSAFE, sbc_intr, &scp->ihl[i], &scp->ih[i])) + goto bad; + } + + /* PCM Audio */ + func = malloc(sizeof(struct sndcard_func), M_DEVBUF, M_NOWAIT | M_ZERO); + if (func == NULL) goto bad; + func->func = SCF_PCM; + scp->child_pcm = device_add_child(dev, "pcm", -1); + device_set_ivars(scp->child_pcm, func); + + /* Midi Interface */ + func = malloc(sizeof(struct sndcard_func), M_DEVBUF, M_NOWAIT | M_ZERO); + if (func == NULL) goto bad; + func->func = SCF_MIDI; + scp->child_midi1 = device_add_child(dev, "midi", -1); + device_set_ivars(scp->child_midi1, func); + + /* OPL FM Synthesizer */ + func = malloc(sizeof(struct sndcard_func), M_DEVBUF, M_NOWAIT | M_ZERO); + if (func == NULL) goto bad; + func->func = SCF_SYNTH; + scp->child_midi2 = device_add_child(dev, "midi", -1); + device_set_ivars(scp->child_midi2, func); + + /* probe/attach kids */ + bus_generic_attach(dev); + + return (0); + +bad: if (err) device_printf(dev, "%s\n", err); + release_resource(scp); + return (ENXIO); +} + +static int +sbc_detach(device_t dev) +{ + struct sbc_softc *scp = device_get_softc(dev); + + sbc_lock(scp); + device_delete_child(dev, scp->child_midi2); + device_delete_child(dev, scp->child_midi1); + device_delete_child(dev, scp->child_pcm); + release_resource(scp); + sbc_lockdestroy(scp); + return bus_generic_detach(dev); +} + +static void +sbc_intr(void *p) +{ + struct sbc_ihl *ihl = p; + int i; + + /* sbc_lock(ihl->parent); */ + i = 0; + while (i < INTR_MAX) { + if (ihl->intr[i] != NULL) ihl->intr[i](ihl->intr_arg[i]); + i++; + } + /* sbc_unlock(ihl->parent); */ +} + +static int +sbc_setup_intr(device_t dev, device_t child, struct resource *irq, + int flags, driver_intr_t *intr, void *arg, + void **cookiep) +{ + struct sbc_softc *scp = device_get_softc(dev); + struct sbc_ihl *ihl = NULL; + int i, ret; + + sbc_lock(scp); + i = 0; + while (i < IRQ_MAX) { + if (irq == scp->irq[i]) ihl = &scp->ihl[i]; + i++; + } + ret = 0; + if (ihl == NULL) ret = EINVAL; + i = 0; + while ((ret == 0) && (i < INTR_MAX)) { + if (ihl->intr[i] == NULL) { + ihl->intr[i] = intr; + ihl->intr_arg[i] = arg; + *cookiep = &ihl->intr[i]; + ret = -1; + } else i++; + } + sbc_unlock(scp); + return (ret > 0)? EINVAL : 0; +} + +static int +sbc_teardown_intr(device_t dev, device_t child, struct resource *irq, + void *cookie) +{ + struct sbc_softc *scp = device_get_softc(dev); + struct sbc_ihl *ihl = NULL; + int i, ret; + + sbc_lock(scp); + i = 0; + while (i < IRQ_MAX) { + if (irq == scp->irq[i]) ihl = &scp->ihl[i]; + i++; + } + ret = 0; + if (ihl == NULL) ret = EINVAL; + i = 0; + while ((ret == 0) && (i < INTR_MAX)) { + if (cookie == &ihl->intr[i]) { + ihl->intr[i] = NULL; + ihl->intr_arg[i] = NULL; + return 0; + } else i++; + } + sbc_unlock(scp); + return (ret > 0)? EINVAL : 0; +} + +static struct resource * +sbc_alloc_resource(device_t bus, device_t child, int type, int *rid, + u_long start, u_long end, u_long count, u_int flags) +{ + struct sbc_softc *scp; + int *alloced, rid_max, alloced_max; + struct resource **res; +#ifdef PC98 + int i; +#endif + + scp = device_get_softc(bus); + switch (type) { + case SYS_RES_IOPORT: + alloced = scp->io_alloced; + res = scp->io; +#ifdef PC98 + rid_max = 0; + for (i = 0; i < IO_MAX; i++) + rid_max += io_range[i]; +#else + rid_max = IO_MAX - 1; +#endif + alloced_max = 1; + break; + case SYS_RES_DRQ: + alloced = scp->drq_alloced; + res = scp->drq; + rid_max = DRQ_MAX - 1; + alloced_max = 1; + break; + case SYS_RES_IRQ: + alloced = scp->irq_alloced; + res = scp->irq; + rid_max = IRQ_MAX - 1; + alloced_max = INTR_MAX; /* pcm and mpu may share the irq. */ + break; + default: + return (NULL); + } + + if (*rid > rid_max || alloced[*rid] == alloced_max) + return (NULL); + + alloced[*rid]++; + return (res[*rid]); +} + +static int +sbc_release_resource(device_t bus, device_t child, int type, int rid, + struct resource *r) +{ + struct sbc_softc *scp; + int *alloced, rid_max; + + scp = device_get_softc(bus); + switch (type) { + case SYS_RES_IOPORT: + alloced = scp->io_alloced; + rid_max = IO_MAX - 1; + break; + case SYS_RES_DRQ: + alloced = scp->drq_alloced; + rid_max = DRQ_MAX - 1; + break; + case SYS_RES_IRQ: + alloced = scp->irq_alloced; + rid_max = IRQ_MAX - 1; + break; + default: + return (1); + } + + if (rid > rid_max || alloced[rid] == 0) + return (1); + + alloced[rid]--; + return (0); +} + +static int +sbc_read_ivar(device_t bus, device_t dev, int index, uintptr_t * result) +{ + struct sbc_softc *scp = device_get_softc(bus); + struct sndcard_func *func = device_get_ivars(dev); + + switch (index) { + case 0: + *result = func->func; + break; + + case 1: + *result = scp->bd_ver; + break; + + default: + return ENOENT; + } + + return 0; +} + +static int +sbc_write_ivar(device_t bus, device_t dev, + int index, uintptr_t value) +{ + switch (index) { + case 0: + case 1: + return EINVAL; + + default: + return (ENOENT); + } +} + +static int +alloc_resource(struct sbc_softc *scp) +{ + int i; + + for (i = 0 ; i < IO_MAX ; i++) { + if (scp->io[i] == NULL) { +#ifdef PC98 + scp->io_rid[i] = i > 0 ? + scp->io_rid[i - 1] + io_range[i - 1] : 0; + scp->io[i] = isa_alloc_resourcev(scp->dev, + SYS_RES_IOPORT, + &scp->io_rid[i], + sb_iat[i], + io_range[i], + RF_ACTIVE); + if (scp->io[i] != NULL) + isa_load_resourcev(scp->io[i], sb_iat[i], + io_range[i]); +#else + scp->io_rid[i] = i; + scp->io[i] = bus_alloc_resource(scp->dev, SYS_RES_IOPORT, &scp->io_rid[i], + 0, ~0, io_range[i], RF_ACTIVE); +#endif + if (i == 0 && scp->io[i] == NULL) + return (1); + scp->io_alloced[i] = 0; + } + } + for (i = 0 ; i < DRQ_MAX ; i++) { + if (scp->drq[i] == NULL) { + scp->drq_rid[i] = i; + scp->drq[i] = bus_alloc_resource(scp->dev, SYS_RES_DRQ, &scp->drq_rid[i], + 0, ~0, 1, RF_ACTIVE); + if (i == 0 && scp->drq[i] == NULL) + return (1); + scp->drq_alloced[i] = 0; + } + } + for (i = 0 ; i < IRQ_MAX ; i++) { + if (scp->irq[i] == NULL) { + scp->irq_rid[i] = i; + scp->irq[i] = bus_alloc_resource(scp->dev, SYS_RES_IRQ, &scp->irq_rid[i], + 0, ~0, 1, RF_ACTIVE); + if (i == 0 && scp->irq[i] == NULL) + return (1); + scp->irq_alloced[i] = 0; + } + } + return (0); +} + +static int +release_resource(struct sbc_softc *scp) +{ + int i; + + for (i = 0 ; i < IO_MAX ; i++) { + if (scp->io[i] != NULL) { + bus_release_resource(scp->dev, SYS_RES_IOPORT, scp->io_rid[i], scp->io[i]); + scp->io[i] = NULL; + } + } + for (i = 0 ; i < DRQ_MAX ; i++) { + if (scp->drq[i] != NULL) { + bus_release_resource(scp->dev, SYS_RES_DRQ, scp->drq_rid[i], scp->drq[i]); + scp->drq[i] = NULL; + } + } + for (i = 0 ; i < IRQ_MAX ; i++) { + if (scp->irq[i] != NULL) { + if (scp->ih[i] != NULL) + bus_teardown_intr(scp->dev, scp->irq[i], scp->ih[i]); + scp->ih[i] = NULL; + bus_release_resource(scp->dev, SYS_RES_IRQ, scp->irq_rid[i], scp->irq[i]); + scp->irq[i] = NULL; + } + } + return (0); +} + +static device_method_t sbc_methods[] = { + /* Device interface */ + DEVMETHOD(device_probe, sbc_probe), + DEVMETHOD(device_attach, sbc_attach), + DEVMETHOD(device_detach, sbc_detach), + DEVMETHOD(device_shutdown, bus_generic_shutdown), + DEVMETHOD(device_suspend, bus_generic_suspend), + DEVMETHOD(device_resume, bus_generic_resume), + + /* Bus interface */ + DEVMETHOD(bus_read_ivar, sbc_read_ivar), + DEVMETHOD(bus_write_ivar, sbc_write_ivar), + DEVMETHOD(bus_print_child, bus_generic_print_child), + DEVMETHOD(bus_alloc_resource, sbc_alloc_resource), + DEVMETHOD(bus_release_resource, sbc_release_resource), + DEVMETHOD(bus_activate_resource, bus_generic_activate_resource), + DEVMETHOD(bus_deactivate_resource, bus_generic_deactivate_resource), + DEVMETHOD(bus_setup_intr, sbc_setup_intr), + DEVMETHOD(bus_teardown_intr, sbc_teardown_intr), + + { 0, 0 } +}; + +static driver_t sbc_driver = { + "sbc", + sbc_methods, + sizeof(struct sbc_softc), +}; + +/* sbc can be attached to an isa bus. */ +DRIVER_MODULE(snd_sbc, isa, sbc_driver, sbc_devclass, 0, 0); +MODULE_DEPEND(snd_sbc, snd_pcm, PCM_MINVER, PCM_PREFVER, PCM_MAXVER); +MODULE_VERSION(snd_sbc, 1); |
