248 lines
6.6 KiB
C
248 lines
6.6 KiB
C
/* $NetBSD: esl_pcmcia.c,v 1.5 2002/06/01 23:51:00 lukem Exp $ */
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/*
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* Copyright (c) 2000 Jared D. McNeill <jmcneill@invisible.yi.org>
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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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* 3. All advertising materials mentioning features or use of this software
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* must display the following acknowledgement:
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* This product includes software developed by Jared D. McNeill.
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* 4. Neither the name of the author nor the names of any contributors may
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* be used to endorse or promote products derived from this software
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* without specific prior written permission.
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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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*/
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#include <sys/cdefs.h>
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__KERNEL_RCSID(0, "$NetBSD: esl_pcmcia.c,v 1.5 2002/06/01 23:51:00 lukem Exp $");
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#include <sys/param.h>
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#include <sys/systm.h>
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#include <sys/device.h>
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#include <sys/buf.h>
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#include <sys/audioio.h>
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#include <machine/bus.h>
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#include <machine/intr.h>
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#include <dev/audio_if.h>
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#include <dev/pcmcia/pcmciareg.h>
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#include <dev/pcmcia/pcmciavar.h>
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#include <dev/pcmcia/pcmciadevs.h>
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#include <dev/isa/essreg.h>
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#include <dev/pcmcia/eslvar.h>
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static const struct esl_pcmcia_product {
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char *name;
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int32_t manufacturer;
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int32_t product;
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char *cis_info[4];
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int function;
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} esl_pcmcia_products[] = {
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{ PCMCIA_STR_EIGERLABS_EPX_AA2000,
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PCMCIA_VENDOR_INVALID, PCMCIA_PRODUCT_INVALID,
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PCMCIA_CIS_EIGERLABS_EPX_AA2000, 0 },
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{ NULL }
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};
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int esl_pcmcia_match(struct device *, struct cfdata *, void *);
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void esl_pcmcia_attach(struct device *, struct device *, void *);
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int esl_pcmcia_detach(struct device *, int);
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int esl_pcmcia_enable(struct esl_pcmcia_softc *);
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void esl_pcmcia_disable(struct esl_pcmcia_softc *);
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struct cfattach esl_pcmcia_ca = {
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sizeof(struct esl_pcmcia_softc), esl_pcmcia_match, esl_pcmcia_attach,
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esl_pcmcia_detach
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};
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#define ESL_NDEVS (sizeof(esl_pcmcia_products) / sizeof(esl_pcmcia_products[0]))
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#define esl_pcmcia_product_lookup(card, fct, n) \
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(((card)->manufacturer != PCMCIA_VENDOR_INVALID) && \
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((card)->product != PCMCIA_PRODUCT_INVALID) && \
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(esl_pcmcia_products[(n)].cis_info[0]) && \
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(esl_pcmcia_products[(n)].cis_info[1]) && \
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(strcmp((card)->cis1_info[0], esl_pcmcia_products[(n)].cis_info[0]) \
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== 0) && \
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(strcmp((card)->cis1_info[1], esl_pcmcia_products[(n)].cis_info[1]) \
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== 0) && \
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((fct) == esl_pcmcia_products[(n)].function) ? \
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&esl_pcmcia_products[(n)] : NULL)
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int
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esl_pcmcia_match(struct device *parent, struct cfdata *match, void *aux)
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{
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struct pcmcia_attach_args *pa = aux;
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int i;
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for (i = 0; i < ESL_NDEVS; i++)
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if (esl_pcmcia_product_lookup(pa->card, pa->pf->number, i))
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return (2);
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return (0);
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}
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void
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esl_pcmcia_attach(struct device *parent, struct device *self, void *aux)
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{
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struct esl_pcmcia_softc *esc = (void *)self;
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struct pcmcia_attach_args *pa = aux;
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struct pcmcia_config_entry *cfe;
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struct pcmcia_function *pf = pa->pf;
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const struct esl_pcmcia_product *pp;
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int i;
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esc->sc_pf = pf;
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SIMPLEQ_FOREACH(cfe, &pf->cfe_head, cfe_list) {
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if (cfe->num_memspace != 0 ||
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cfe->num_iospace != 1)
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continue;
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if (pcmcia_io_alloc(pa->pf, cfe->iospace[0].start,
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cfe->iospace[0].length, 0, &esc->sc_pcioh) == 0)
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break;
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}
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if (cfe == 0) {
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printf(": can't alloc i/o space\n");
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goto no_config_entry;
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}
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/* Setup power management hooks */
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esc->sc_enable = esl_pcmcia_enable;
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esc->sc_disable = esl_pcmcia_disable;
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/* Enable the card. */
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pcmcia_function_init(pf, cfe);
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if (pcmcia_function_enable(pf)) {
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printf(": function enable failed\n");
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goto enable_failed;
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}
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/* Map in the I/O space */
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if (pcmcia_io_map(pa->pf, PCMCIA_WIDTH_AUTO, 0, esc->sc_pcioh.size,
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&esc->sc_pcioh, &esc->sc_io_window)) {
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printf(": can't map i/o space\n");
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goto iomap_failed;
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}
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pp = NULL;
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for (i = 0; i < ESL_NDEVS; i++) {
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pp = esl_pcmcia_product_lookup(pa->card, pa->pf->number, i);
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if (pp != NULL)
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break;
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}
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if (pp == NULL) {
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printf("\n");
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panic("esl_pcmcia_attach: impossible");
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}
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printf(": %s\n", pp->name);
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if (esl_init(esc)) {
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printf("esl_init: failed\n");
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goto init_failed;
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}
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pcmcia_function_disable(esc->sc_pf);
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return;
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init_failed:
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/* Unmap I/O space */
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pcmcia_io_unmap(esc->sc_pf, esc->sc_io_window);
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iomap_failed:
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/* Disable the device. */
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pcmcia_function_disable(esc->sc_pf);
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enable_failed:
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/* Free our I/O space. */
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pcmcia_io_free(esc->sc_pf, &esc->sc_pcioh);
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no_config_entry:
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return;
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}
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int
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esl_pcmcia_detach(struct device *self, int flags)
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{
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struct esl_pcmcia_softc *esc = (void *)self;
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int rv = 0;
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if (esc->sc_io_window == -1)
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/* Nothing to detach */
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return (0);
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if (esc->sc_opldev != NULL)
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config_detach(esc->sc_opldev, flags);
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if (esc->sc_audiodev != NULL)
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rv = config_detach(esc->sc_audiodev, flags);
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if (rv)
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return (rv);
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/* unmap i/o window and i/o space */
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pcmcia_io_unmap(esc->sc_pf, esc->sc_io_window);
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pcmcia_io_free(esc->sc_pf, &esc->sc_pcioh);
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return (rv);
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}
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int
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esl_pcmcia_enable(struct esl_pcmcia_softc *sc)
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{
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/* Establish an interrupt */
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sc->sc_ih = pcmcia_intr_establish(sc->sc_pf, IPL_AUDIO, esl_intr,
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sc);
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if (sc->sc_ih == NULL) {
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printf("%s: couldn't establish interrupt\n",
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sc->sc_esl.sc_dev.dv_xname);
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goto fail_1;
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}
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if (pcmcia_function_enable(sc->sc_pf))
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goto fail_2;
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return (0);
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fail_2:
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pcmcia_intr_disestablish(sc->sc_pf, sc->sc_ih);
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fail_1:
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return (1);
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}
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void
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esl_pcmcia_disable(struct esl_pcmcia_softc *sc)
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{
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pcmcia_function_disable(sc->sc_pf);
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pcmcia_intr_disestablish(sc->sc_pf, sc->sc_ih);
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}
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