783 lines
19 KiB
C
783 lines
19 KiB
C
/*
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* Copyright (c) 1999 Seigo Tanimura
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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*
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* THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
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* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
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* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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* SUCH DAMAGE.
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*/
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#include <dev/sound/chip.h>
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#include <dev/sound/pcm/sound.h>
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#include <dev/sound/isa/sb.h>
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SND_DECLARE_FILE("$FreeBSD$");
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#define IO_MAX 3
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#define IRQ_MAX 1
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#define DRQ_MAX 2
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#define INTR_MAX 2
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struct sbc_softc;
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struct sbc_ihl {
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driver_intr_t *intr[INTR_MAX];
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void *intr_arg[INTR_MAX];
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struct sbc_softc *parent;
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};
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/* Here is the parameter structure per a device. */
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struct sbc_softc {
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device_t dev; /* device */
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device_t child_pcm, child_midi1, child_midi2;
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int io_rid[IO_MAX]; /* io port rids */
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struct resource *io[IO_MAX]; /* io port resources */
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int io_alloced[IO_MAX]; /* io port alloc flag */
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int irq_rid[IRQ_MAX]; /* irq rids */
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struct resource *irq[IRQ_MAX]; /* irq resources */
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int irq_alloced[IRQ_MAX]; /* irq alloc flag */
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int drq_rid[DRQ_MAX]; /* drq rids */
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struct resource *drq[DRQ_MAX]; /* drq resources */
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int drq_alloced[DRQ_MAX]; /* drq alloc flag */
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struct sbc_ihl ihl[IRQ_MAX];
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void *ih[IRQ_MAX];
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void *lock;
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u_int32_t bd_ver;
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};
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static int sbc_probe(device_t dev);
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static int sbc_attach(device_t dev);
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static void sbc_intr(void *p);
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static struct resource *sbc_alloc_resource(device_t bus, device_t child, int type, int *rid,
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u_long start, u_long end, u_long count, u_int flags);
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static int sbc_release_resource(device_t bus, device_t child, int type, int rid,
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struct resource *r);
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static int sbc_setup_intr(device_t dev, device_t child, struct resource *irq,
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int flags, driver_intr_t *intr, void *arg,
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void **cookiep);
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static int sbc_teardown_intr(device_t dev, device_t child, struct resource *irq,
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void *cookie);
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static int alloc_resource(struct sbc_softc *scp);
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static int release_resource(struct sbc_softc *scp);
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static devclass_t sbc_devclass;
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static int io_range[3] = {0x10, 0x2, 0x4};
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#ifdef PC98 /* I/O address table for PC98 */
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static bus_addr_t pcm_iat[] = {
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0x000, 0x100, 0x200, 0x300, 0x400, 0x500, 0x600, 0x700,
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0x800, 0x900, 0xa00, 0xb00, 0xc00, 0xd00, 0xe00, 0xf00
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};
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static bus_addr_t midi_iat[] = {
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0x000, 0x100
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};
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static bus_addr_t opl_iat[] = {
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0x000, 0x100, 0x200, 0x300
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};
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static bus_addr_t *sb_iat[] = { pcm_iat, midi_iat, opl_iat };
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#endif
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static int sb_rd(struct resource *io, int reg);
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static void sb_wr(struct resource *io, int reg, u_int8_t val);
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static int sb_dspready(struct resource *io);
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static int sb_cmd(struct resource *io, u_char val);
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static u_int sb_get_byte(struct resource *io);
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static void sb_setmixer(struct resource *io, u_int port, u_int value);
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static void
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sbc_lockinit(struct sbc_softc *scp)
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{
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scp->lock = snd_mtxcreate(device_get_nameunit(scp->dev));
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}
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static void
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sbc_lockdestroy(struct sbc_softc *scp)
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{
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snd_mtxfree(scp->lock);
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}
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void
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sbc_lock(struct sbc_softc *scp)
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{
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snd_mtxlock(scp->lock);
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}
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void
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sbc_unlock(struct sbc_softc *scp)
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{
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snd_mtxunlock(scp->lock);
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}
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static int
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sb_rd(struct resource *io, int reg)
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{
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return bus_space_read_1(rman_get_bustag(io),
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rman_get_bushandle(io),
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reg);
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}
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static void
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sb_wr(struct resource *io, int reg, u_int8_t val)
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{
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return bus_space_write_1(rman_get_bustag(io),
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rman_get_bushandle(io),
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reg, val);
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}
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static int
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sb_dspready(struct resource *io)
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{
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return ((sb_rd(io, SBDSP_STATUS) & 0x80) == 0);
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}
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static int
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sb_dspwr(struct resource *io, u_char val)
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{
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int i;
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for (i = 0; i < 1000; i++) {
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if (sb_dspready(io)) {
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sb_wr(io, SBDSP_CMD, val);
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return 1;
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}
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if (i > 10) DELAY((i > 100)? 1000 : 10);
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}
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printf("sb_dspwr(0x%02x) timed out.\n", val);
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return 0;
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}
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static int
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sb_cmd(struct resource *io, u_char val)
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{
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return sb_dspwr(io, val);
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}
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static void
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sb_setmixer(struct resource *io, u_int port, u_int value)
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{
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u_long flags;
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flags = spltty();
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sb_wr(io, SB_MIX_ADDR, (u_char) (port & 0xff)); /* Select register */
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DELAY(10);
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sb_wr(io, SB_MIX_DATA, (u_char) (value & 0xff));
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DELAY(10);
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splx(flags);
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}
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static u_int
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sb_get_byte(struct resource *io)
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{
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int i;
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for (i = 1000; i > 0; i--) {
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if (sb_rd(io, DSP_DATA_AVAIL) & 0x80)
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return sb_rd(io, DSP_READ);
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else
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DELAY(20);
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}
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return 0xffff;
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}
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static int
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sb_reset_dsp(struct resource *io)
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{
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sb_wr(io, SBDSP_RST, 3);
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DELAY(100);
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sb_wr(io, SBDSP_RST, 0);
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return (sb_get_byte(io) == 0xAA)? 0 : ENXIO;
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}
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static int
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sb_identify_board(struct resource *io)
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{
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int ver, essver, rev;
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sb_cmd(io, DSP_CMD_GETVER); /* Get version */
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ver = (sb_get_byte(io) << 8) | sb_get_byte(io);
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if (ver < 0x100 || ver > 0x4ff) return 0;
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if (ver == 0x0301) {
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/* Try to detect ESS chips. */
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sb_cmd(io, DSP_CMD_GETID); /* Return ident. bytes. */
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essver = (sb_get_byte(io) << 8) | sb_get_byte(io);
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rev = essver & 0x000f;
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essver &= 0xfff0;
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if (essver == 0x4880) ver |= 0x1000;
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else if (essver == 0x6880) ver = 0x0500 | rev;
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}
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return ver;
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}
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static struct isa_pnp_id sbc_ids[] = {
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{0x01008c0e, "Creative ViBRA16C"}, /* CTL0001 */
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{0x31008c0e, "Creative SB16/SB32"}, /* CTL0031 */
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{0x41008c0e, "Creative SB16/SB32"}, /* CTL0041 */
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{0x42008c0e, "Creative SB AWE64"}, /* CTL0042 */
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{0x43008c0e, "Creative ViBRA16X"}, /* CTL0043 */
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{0x44008c0e, "Creative SB AWE64 Gold"}, /* CTL0044 */
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{0x45008c0e, "Creative SB AWE64"}, /* CTL0045 */
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{0x46008c0e, "Creative SB AWE64"}, /* CTL0046 */
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{0x01000000, "Avance Logic ALS100+"}, /* @@@0001 - ViBRA16X clone */
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{0x01100000, "Avance Asound 110"}, /* @@@1001 */
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{0x01200000, "Avance Logic ALS120"}, /* @@@2001 - ViBRA16X clone */
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{0x81167316, "ESS ES1681"}, /* ESS1681 */
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{0x02017316, "ESS ES1688"}, /* ESS1688 */
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{0x68187316, "ESS ES1868"}, /* ESS1868 */
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{0x03007316, "ESS ES1869"}, /* ESS1869 */
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{0x69187316, "ESS ES1869"}, /* ESS1869 */
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{0xabb0110e, "ESS ES1869 (Compaq OEM)"}, /* CPQb0ab */
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{0xacb0110e, "ESS ES1869 (Compaq OEM)"}, /* CPQb0ac */
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{0x78187316, "ESS ES1878"}, /* ESS1878 */
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{0x79187316, "ESS ES1879"}, /* ESS1879 */
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{0x88187316, "ESS ES1888"}, /* ESS1888 */
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{0x07017316, "ESS ES1888 (DEC OEM)"}, /* ESS0107 */
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{0x06017316, "ESS ES1888 (Dell OEM)"}, /* ESS0106 */
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{0}
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};
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static int
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sbc_probe(device_t dev)
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{
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char *s = NULL;
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u_int32_t lid, vid;
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lid = isa_get_logicalid(dev);
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vid = isa_get_vendorid(dev);
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if (lid) {
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if (lid == 0x01000000 && vid != 0x01009305) /* ALS0001 */
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return ENXIO;
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/* Check pnp ids */
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return ISA_PNP_PROBE(device_get_parent(dev), dev, sbc_ids);
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} else {
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int rid = 0, ver;
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struct resource *io;
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#ifdef PC98
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io = isa_alloc_resourcev(dev, SYS_RES_IOPORT, &rid,
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pcm_iat, 16, RF_ACTIVE);
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#else
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io = bus_alloc_resource(dev, SYS_RES_IOPORT, &rid,
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0, ~0, 16, RF_ACTIVE);
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#endif
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if (!io) goto bad;
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#ifdef PC98
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isa_load_resourcev(io, pcm_iat, 16);
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#endif
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if (sb_reset_dsp(io)) goto bad2;
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ver = sb_identify_board(io);
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if (ver == 0) goto bad2;
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switch ((ver & 0x00000f00) >> 8) {
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case 1:
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device_set_desc(dev, "SoundBlaster 1.0 (not supported)");
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s = NULL;
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break;
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case 2:
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s = "SoundBlaster 2.0";
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break;
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case 3:
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s = (ver & 0x0000f000)? "ESS 488" : "SoundBlaster Pro";
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break;
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case 4:
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s = "SoundBlaster 16";
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break;
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case 5:
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s = (ver & 0x00000008)? "ESS 688" : "ESS 1688";
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break;
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}
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if (s) device_set_desc(dev, s);
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bad2: bus_release_resource(dev, SYS_RES_IOPORT, rid, io);
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bad: return s? 0 : ENXIO;
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}
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}
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static int
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sbc_attach(device_t dev)
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{
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char *err = NULL;
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struct sbc_softc *scp;
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struct sndcard_func *func;
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u_int32_t logical_id = isa_get_logicalid(dev);
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int flags = device_get_flags(dev);
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int f, dh, dl, x, irq, i;
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if (!logical_id && (flags & DV_F_DUAL_DMA)) {
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bus_set_resource(dev, SYS_RES_DRQ, 1,
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flags & DV_F_DRQ_MASK, 1);
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}
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scp = device_get_softc(dev);
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bzero(scp, sizeof(*scp));
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scp->dev = dev;
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sbc_lockinit(scp);
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err = "alloc_resource";
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if (alloc_resource(scp)) goto bad;
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err = "sb_reset_dsp";
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if (sb_reset_dsp(scp->io[0])) goto bad;
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err = "sb_identify_board";
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scp->bd_ver = sb_identify_board(scp->io[0]) & 0x00000fff;
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if (scp->bd_ver == 0) goto bad;
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f = 0;
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if (logical_id == 0x01200000 && scp->bd_ver < 0x0400) scp->bd_ver = 0x0499;
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switch ((scp->bd_ver & 0x0f00) >> 8) {
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case 1: /* old sound blaster has nothing... */
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break;
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case 2:
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f |= BD_F_DUP_MIDI;
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if (scp->bd_ver > 0x200) f |= BD_F_MIX_CT1335;
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break;
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case 5:
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f |= BD_F_ESS;
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scp->bd_ver = 0x0301;
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case 3:
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f |= BD_F_DUP_MIDI | BD_F_MIX_CT1345;
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break;
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case 4:
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f |= BD_F_SB16 | BD_F_MIX_CT1745;
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if (scp->drq[0]) dl = rman_get_start(scp->drq[0]); else dl = -1;
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if (scp->drq[1]) dh = rman_get_start(scp->drq[1]); else dh = dl;
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if (!logical_id && (dh < dl)) {
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struct resource *r;
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r = scp->drq[0];
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scp->drq[0] = scp->drq[1];
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scp->drq[1] = r;
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dl = rman_get_start(scp->drq[0]);
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dh = rman_get_start(scp->drq[1]);
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}
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/* soft irq/dma configuration */
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x = -1;
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irq = rman_get_start(scp->irq[0]);
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#ifdef PC98
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/* SB16 in PC98 use different IRQ table */
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if (irq == 3) x = 1;
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else if (irq == 5) x = 8;
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else if (irq == 10) x = 2;
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else if (irq == 12) x = 4;
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if (x == -1) {
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err = "bad irq (3/5/10/12 valid)";
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goto bad;
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}
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else sb_setmixer(scp->io[0], IRQ_NR, x);
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/* SB16 in PC98 use different dma setting */
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sb_setmixer(scp->io[0], DMA_NR, dh == 0 ? 1 : 2);
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#else
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if (irq == 5) x = 2;
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else if (irq == 7) x = 4;
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else if (irq == 9) x = 1;
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else if (irq == 10) x = 8;
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if (x == -1) {
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err = "bad irq (5/7/9/10 valid)";
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goto bad;
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}
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else sb_setmixer(scp->io[0], IRQ_NR, x);
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sb_setmixer(scp->io[0], DMA_NR, (1 << dh) | (1 << dl));
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#endif
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if (bootverbose) {
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device_printf(dev, "setting card to irq %d, drq %d", irq, dl);
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if (dl != dh) printf(", %d", dh);
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printf("\n");
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}
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break;
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}
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switch (logical_id) {
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case 0x43008c0e: /* CTL0043 */
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case 0x01200000:
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case 0x01000000:
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f |= BD_F_SB16X;
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break;
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}
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scp->bd_ver |= f << 16;
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err = "setup_intr";
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for (i = 0; i < IRQ_MAX; i++) {
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scp->ihl[i].parent = scp;
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if (snd_setup_intr(dev, scp->irq[i], INTR_MPSAFE, sbc_intr, &scp->ihl[i], &scp->ih[i]))
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goto bad;
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}
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/* PCM Audio */
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func = malloc(sizeof(struct sndcard_func), M_DEVBUF, M_NOWAIT | M_ZERO);
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if (func == NULL) goto bad;
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func->func = SCF_PCM;
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scp->child_pcm = device_add_child(dev, "pcm", -1);
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device_set_ivars(scp->child_pcm, func);
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/* Midi Interface */
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func = malloc(sizeof(struct sndcard_func), M_DEVBUF, M_NOWAIT | M_ZERO);
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if (func == NULL) goto bad;
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func->func = SCF_MIDI;
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scp->child_midi1 = device_add_child(dev, "midi", -1);
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device_set_ivars(scp->child_midi1, func);
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/* OPL FM Synthesizer */
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func = malloc(sizeof(struct sndcard_func), M_DEVBUF, M_NOWAIT | M_ZERO);
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if (func == NULL) goto bad;
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func->func = SCF_SYNTH;
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scp->child_midi2 = device_add_child(dev, "midi", -1);
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device_set_ivars(scp->child_midi2, func);
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/* probe/attach kids */
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bus_generic_attach(dev);
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return (0);
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bad: if (err) device_printf(dev, "%s\n", err);
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release_resource(scp);
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return (ENXIO);
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}
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static int
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sbc_detach(device_t dev)
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{
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struct sbc_softc *scp = device_get_softc(dev);
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sbc_lock(scp);
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device_delete_child(dev, scp->child_midi2);
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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);
|