341 lines
8.6 KiB
C
341 lines
8.6 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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* $FreeBSD$
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*/
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#include "sbc.h"
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#include "isa.h"
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#include "pnp.h"
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#include <sys/param.h>
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#include <sys/systm.h>
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#include <sys/kernel.h>
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#include <sys/bus.h>
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#include <sys/malloc.h>
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#include <sys/module.h>
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#include <machine/resource.h>
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#include <machine/bus.h>
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#include <sys/rman.h>
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#include <sys/soundcard.h>
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#include <dev/sound/chip.h>
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#if NISA > 0
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#include <isa/isavar.h>
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#include <isa/isa_common.h>
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#ifdef __alpha__ /* XXX workaround a stupid warning */
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#include <alpha/isa/isavar.h>
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#endif
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#endif /* NISA > 0 */
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#if NSBC > 0
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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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int io_rid[3]; /* io port rids */
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struct resource *io[3]; /* io port resources */
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int io_alloced[3]; /* io port alloc flag */
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int irq_rid; /* irq rids */
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struct resource *irq; /* irq resources */
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int irq_alloced; /* irq alloc flag */
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int drq_rid[2]; /* drq rids */
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struct resource *drq[2]; /* drq resources */
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int drq_alloced[2]; /* drq alloc flag */
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};
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typedef struct sbc_softc *sc_p;
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#if NISA > 0 && NPNP > 0
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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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#endif /* NISA > 0 && NPNP > 0 */
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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 alloc_resource(sc_p scp);
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static int release_resource(sc_p scp);
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static devclass_t sbc_devclass;
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#if NISA > 0 && NPNP > 0
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static struct isa_pnp_id sbc_ids[] = {
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#if notdef
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{0x0000630e, "CS423x"},
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#endif
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{0x01008c0e, "Creative ViBRA16C PnP"},
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{0x41008c0e, "Creative ViBRA16CL PnP"},
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{0x43008c0e, "Creative ViBRA16X PnP"},
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{0x31008c0e, "Creative SB16 PnP/SB32"},
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{0x42008c0e, "Creative SB AWE64"}, /* CTL00c1 */
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{0x45008c0e, "Creative SB AWE64"}, /* CTL0045 */
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#if notdef
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{0x01200001, "Avance Logic ALS120"},
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{0x01100001, "Avance Asound 110"},
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{0x68187316, "ESS ES1868 Plug and Play AudioDrive"}, /* ESS1868 */
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{0x79187316, "ESS ES1879 Plug and Play AudioDrive"}, /* ESS1879 */
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{0x2100a865, "Yamaha OPL3-SA2/SAX Sound Board"},
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{0x80719304, "Terratec Soundsystem Base 1"},
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#endif
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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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int error;
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/* Check pnp ids */
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error = ISA_PNP_PROBE(device_get_parent(dev), dev, sbc_ids);
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if (error)
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return error;
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else
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return -100;
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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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sc_p scp;
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device_t child;
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int unit;
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struct sndcard_func *func;
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scp = device_get_softc(dev);
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unit = device_get_unit(dev);
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bzero(scp, sizeof(*scp));
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scp->dev = dev;
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if (alloc_resource(scp)) {
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release_resource(scp);
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return (ENXIO);
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}
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/* PCM Audio */
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func = malloc(sizeof(struct sndcard_func), M_DEVBUF, M_NOWAIT);
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if (func == NULL)
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return (ENOMEM);
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bzero(func, sizeof(*func));
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func->func = SCF_PCM;
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child = device_add_child(dev, "pcm", -1);
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device_set_ivars(child, func);
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#if notyet
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/* Midi Interface */
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func = malloc(sizeof(struct sndcard_func), M_DEVBUF, M_NOWAIT);
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if (func == NULL)
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return (ENOMEM);
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bzero(func, sizeof(*func));
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func->func = SCF_MIDI;
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child = device_add_child(dev, "midi", -1);
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device_set_ivars(child, func);
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/* OPL FM Synthesizer */
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func = malloc(sizeof(struct sndcard_func), M_DEVBUF, M_NOWAIT);
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if (func == NULL)
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return (ENOMEM);
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bzero(func, sizeof(*func));
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func->func = SCF_SYNTH;
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child = device_add_child(dev, "midi", -1);
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device_set_ivars(child, func);
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#endif /* notyet */
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bus_generic_attach(dev);
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return (0);
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}
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#endif /* NISA > 0 && NPNP > 0 */
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static struct resource *
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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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{
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sc_p scp;
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int *alloced, rid_max, alloced_max;
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struct resource **res;
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scp = device_get_softc(bus);
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switch (type) {
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case SYS_RES_IOPORT:
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alloced = scp->io_alloced;
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res = scp->io;
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rid_max = 2;
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alloced_max = 1;
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break;
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case SYS_RES_IRQ:
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alloced = &scp->irq_alloced;
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res = &scp->irq;
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rid_max = 0;
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alloced_max = 2; /* pcm and mpu may share the irq. */
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break;
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case SYS_RES_DRQ:
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alloced = scp->drq_alloced;
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res = scp->drq;
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rid_max = 1;
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alloced_max = 1;
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break;
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default:
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return (NULL);
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}
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if (*rid > rid_max || alloced[*rid] == alloced_max)
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return (NULL);
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alloced[*rid]++;
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return (res[*rid]);
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}
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static int
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sbc_release_resource(device_t bus, device_t child, int type, int rid,
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struct resource *r)
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{
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sc_p scp;
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int *alloced, rid_max;
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scp = device_get_softc(bus);
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switch (type) {
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case SYS_RES_IOPORT:
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alloced = scp->io_alloced;
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rid_max = 2;
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break;
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case SYS_RES_IRQ:
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alloced = &scp->irq_alloced;
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rid_max = 0;
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break;
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case SYS_RES_DRQ:
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alloced = scp->drq_alloced;
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rid_max = 1;
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break;
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default:
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return (1);
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}
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if (rid > rid_max || alloced[rid] == 0)
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return (1);
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alloced[rid]--;
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return (0);
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}
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static int io_range[3] = {0x10, 0x4, 0x4};
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static int
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alloc_resource(sc_p scp)
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{
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int i;
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for (i = 0 ; i < sizeof(scp->io) / sizeof(*scp->io) ; i++) {
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if (scp->io[i] == NULL) {
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scp->io_rid[i] = i;
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scp->io[i] = bus_alloc_resource(scp->dev, SYS_RES_IOPORT, &scp->io_rid[i],
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0, ~0, io_range[i], RF_ACTIVE);
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if (scp->io[i] == NULL)
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return (1);
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scp->io_alloced[i] = 0;
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}
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}
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if (scp->irq == NULL) {
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scp->irq_rid = 0;
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scp->irq = bus_alloc_resource(scp->dev, SYS_RES_IRQ, &scp->irq_rid,
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0, ~0, 1, RF_ACTIVE | RF_SHAREABLE);
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if (scp->irq == NULL)
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return (1);
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scp->irq_alloced = 0;
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}
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for (i = 0 ; i < sizeof(scp->drq) / sizeof(*scp->drq) ; i++) {
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if (scp->drq[i] == NULL) {
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scp->drq_rid[i] = i;
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scp->drq[i] = bus_alloc_resource(scp->dev, SYS_RES_DRQ, &scp->drq_rid[i],
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0, ~0, 1, RF_ACTIVE);
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if (scp->drq[i] == NULL)
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return (1);
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scp->drq_alloced[i] = 0;
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}
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}
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return (0);
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}
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static int
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release_resource(sc_p scp)
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{
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int i;
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for (i = 0 ; i < sizeof(scp->io) / sizeof(*scp->io) ; i++) {
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if (scp->io[i] != NULL) {
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bus_release_resource(scp->dev, SYS_RES_IOPORT, scp->io_rid[i], scp->io[i]);
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scp->io[i] = NULL;
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}
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}
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if (scp->irq != NULL) {
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bus_release_resource(scp->dev, SYS_RES_IRQ, scp->irq_rid, scp->irq);
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scp->irq = NULL;
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}
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for (i = 0 ; i < sizeof(scp->drq) / sizeof(*scp->drq) ; i++) {
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if (scp->drq[i] != NULL) {
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bus_release_resource(scp->dev, SYS_RES_DRQ, scp->drq_rid[i], scp->drq[i]);
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scp->drq[i] = NULL;
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}
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}
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return (0);
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}
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#if NISA > 0 && NPNP > 0
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static device_method_t sbc_methods[] = {
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/* Device interface */
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DEVMETHOD(device_probe, sbc_probe),
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DEVMETHOD(device_attach, sbc_attach),
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DEVMETHOD(device_detach, bus_generic_detach),
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DEVMETHOD(device_shutdown, bus_generic_shutdown),
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DEVMETHOD(device_suspend, bus_generic_suspend),
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DEVMETHOD(device_resume, bus_generic_resume),
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/* Bus interface */
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DEVMETHOD(bus_print_child, bus_generic_print_child),
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DEVMETHOD(bus_alloc_resource, sbc_alloc_resource),
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DEVMETHOD(bus_release_resource, sbc_release_resource),
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DEVMETHOD(bus_activate_resource, bus_generic_activate_resource),
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DEVMETHOD(bus_deactivate_resource, bus_generic_deactivate_resource),
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DEVMETHOD(bus_setup_intr, bus_generic_setup_intr),
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DEVMETHOD(bus_teardown_intr, bus_generic_teardown_intr),
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{ 0, 0 }
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};
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static driver_t sbc_driver = {
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"sbc",
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sbc_methods,
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sizeof(struct sbc_softc),
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};
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/*
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* sbc can be attached to an isa bus.
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*/
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DRIVER_MODULE(sbc, isa, sbc_driver, sbc_devclass, 0, 0);
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#endif /* NISA > 0 && NPNP > 0 */
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#endif /* NSBC > 0 */
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