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[src/netbsd-1-5]: src/sys/dev/pci Pull up revisions 1.1-1.2 (new, requested b...



details:   https://anonhg.NetBSD.org/src/rev/d8ca58c23d84
branches:  netbsd-1-5
changeset: 491654:d8ca58c23d84
user:      he <he%NetBSD.org@localhost>
date:      Sun May 06 15:11:14 2001 +0000

description:
Pull up revisions 1.1-1.2 (new, requested by he):
  Add driver for Cirrus Logic CrystalClear PCI Audio CS4281.

diffstat:

 sys/dev/pci/cs428x.c |  387 +++++++++++++++++++++++++++++++++++++++++++++++++++
 1 files changed, 387 insertions(+), 0 deletions(-)

diffs (truncated from 391 to 300 lines):

diff -r 1bb6d6845f25 -r d8ca58c23d84 sys/dev/pci/cs428x.c
--- /dev/null   Thu Jan 01 00:00:00 1970 +0000
+++ b/sys/dev/pci/cs428x.c      Sun May 06 15:11:14 2001 +0000
@@ -0,0 +1,387 @@
+/*     $NetBSD: cs428x.c,v 1.2.2.2 2001/05/06 15:11:14 he Exp $        */
+
+/*
+ * Copyright (c) 2000 Tatoku Ogaito.  All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ *    notice, this list of conditions and the following disclaimer in the
+ *    documentation and/or other materials provided with the distribution.
+ * 3. All advertising materials mentioning features or use of this software
+ *    must display the following acknowledgement:
+ *      This product includes software developed by Tatoku Ogaito
+ *     for the NetBSD Project.
+ * 4. The name of the author may not be used to endorse or promote products
+ *    derived from this software without specific prior written permission
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
+ * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
+ * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
+ * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
+ * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
+ * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+ * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+ * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+ * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
+ * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ */
+
+/* Common functions for CS4280 and CS4281 */
+
+#include <sys/param.h>
+#include <sys/systm.h>
+#include <sys/types.h>
+#include <sys/kernel.h>
+#include <sys/malloc.h>
+#include <sys/device.h>
+
+#include <dev/pci/pcidevs.h>
+#include <dev/pci/pcivar.h>
+
+#include <sys/audioio.h>
+#include <dev/audio_if.h>
+#include <dev/midi_if.h>
+#include <dev/mulaw.h>
+#include <dev/auconv.h>
+
+#include <dev/ic/ac97reg.h>
+#include <dev/ic/ac97var.h>
+
+#include <machine/bus.h>
+
+#include <dev/pci/cs428xreg.h>
+#include <dev/pci/cs428x.h>
+
+#if defined(CS4280_DEBUG) || defined(CS4281_DEBUG)
+int cs428x_debug = 0;
+#endif
+
+int
+cs428x_open(void *addr, int flags)
+{
+       return 0;
+}
+
+void
+cs428x_close(void *addr)
+{
+       struct cs428x_softc *sc;
+
+       sc = addr;
+
+       (*sc->halt_output)(sc);
+       (*sc->halt_input)(sc);
+       
+       sc->sc_pintr = 0;
+       sc->sc_rintr = 0;
+}
+
+int
+cs428x_round_blocksize(void *addr, int blk)
+{
+       struct cs428x_softc *sc;
+       int retval;
+       
+       DPRINTFN(5,("cs428x_round_blocksize blk=%d -> ", blk));
+       
+       sc = addr;
+       if (blk < sc->hw_blocksize)
+               retval = sc->hw_blocksize;
+       else
+               retval = blk & -(sc->hw_blocksize);
+
+       DPRINTFN(5,("%d\n", retval));
+
+       return retval;
+}
+
+int
+cs428x_mixer_set_port(void *addr, mixer_ctrl_t *cp)
+{
+       struct cs428x_softc *sc;
+       int val;
+
+       sc = addr;
+       val = sc->codec_if->vtbl->mixer_set_port(sc->codec_if, cp);
+       DPRINTFN(3,("mixer_set_port: val=%d\n", val));
+       return (val);
+}
+
+int
+cs428x_mixer_get_port(void *addr, mixer_ctrl_t *cp)
+{
+       struct cs428x_softc *sc;
+
+       sc = addr;
+       return (sc->codec_if->vtbl->mixer_get_port(sc->codec_if, cp));
+}
+
+int
+cs428x_query_devinfo(void *addr, mixer_devinfo_t *dip)
+{
+       struct cs428x_softc *sc;
+
+       sc = addr;
+       return (sc->codec_if->vtbl->query_devinfo(sc->codec_if, dip));
+}
+
+void *
+cs428x_malloc(void *addr, int direction, size_t size, int pool, int flags)
+{
+       struct cs428x_softc *sc;
+       struct cs428x_dma   *p;
+       int error;
+
+       sc = addr;
+
+       p = malloc(sizeof(*p), pool, flags);
+       if (p == NULL)
+               return 0;
+
+       error = cs428x_allocmem(sc, size, pool, flags, p);
+
+       if (error) {
+               free(p, pool);
+               return 0;
+       }
+
+       p->next = sc->sc_dmas;
+       sc->sc_dmas = p;
+       return BUFADDR(p);
+}
+
+void
+cs428x_free(void *addr, void *ptr, int pool)
+{
+       struct cs428x_softc *sc;
+       struct cs428x_dma **pp, *p;
+
+       sc = addr;
+       for (pp = &sc->sc_dmas; (p = *pp) != NULL; pp = &p->next) {
+               if (BUFADDR(p) == ptr) {
+                       bus_dmamap_unload(sc->sc_dmatag, p->map);
+                       bus_dmamap_destroy(sc->sc_dmatag, p->map);
+                       bus_dmamem_unmap(sc->sc_dmatag, p->addr, p->size);
+                       bus_dmamem_free(sc->sc_dmatag, p->segs, p->nsegs);
+                       free(p->dum, pool);
+                       *pp = p->next;
+                       free(p, pool);
+                       return;
+               }
+       }
+}
+
+size_t
+cs428x_round_buffersize(void *addr, int direction, size_t size)
+{
+       /* The real dma buffersize are 4KB for CS4280
+        * and 64kB/MAX_CHANNELS for CS4281.
+        * But they are too small for high quality audio,
+        * let the upper layer(audio) use a larger buffer.
+        * (originally suggested by Lennart Augustsson.)
+        */
+       return size;
+}
+
+paddr_t
+cs428x_mappage(void *addr, void *mem, off_t off, int prot)
+{
+       struct cs428x_softc *sc;
+       struct cs428x_dma *p;
+
+       sc = addr;
+
+       if (off < 0)
+               return -1;
+
+       for (p = sc->sc_dmas; p && BUFADDR(p) != mem; p = p->next)
+               ;
+
+       if (p == NULL) {
+               DPRINTF(("cs428x_mappage: bad buffer address\n"));
+               return -1;
+       }
+
+       return (bus_dmamem_mmap(sc->sc_dmatag, p->segs, p->nsegs,
+           off, prot, BUS_DMA_WAITOK));
+}
+
+int
+cs428x_get_props(void *addr)
+{
+       int retval;
+
+       retval = AUDIO_PROP_INDEPENDENT | AUDIO_PROP_FULLDUPLEX;
+#ifdef MMAP_READY
+       /* How can I mmap ? */
+       retval |= AUDIO_PROP_MMAP;
+#endif
+       return retval;
+}
+
+/* AC97 */
+int
+cs428x_attach_codec(void *addr, struct ac97_codec_if *codec_if)
+{
+       struct cs428x_softc *sc;
+
+       DPRINTF(("cs428x_attach_codec:\n"));
+       sc = addr;
+       sc->codec_if = codec_if;
+       return 0;
+}
+
+int
+cs428x_read_codec(void *addr, u_int8_t ac97_addr, u_int16_t *ac97_data)
+{
+       struct cs428x_softc *sc;
+       u_int32_t acctl;
+       int n;
+
+       sc = addr;
+
+       DPRINTFN(5,("read_codec: add=0x%02x ", ac97_addr));
+       /*
+        * Make sure that there is not data sitting around from a preivous
+        * uncompleted access.
+        */
+       BA0READ4(sc, CS428X_ACSDA);
+
+       /* Set up AC97 control registers. */
+       BA0WRITE4(sc, CS428X_ACCAD, ac97_addr);
+       BA0WRITE4(sc, CS428X_ACCDA, 0);
+
+       acctl = ACCTL_ESYN | ACCTL_VFRM | ACCTL_CRW  | ACCTL_DCV;
+       if (sc->type == TYPE_CS4280)
+               acctl |= ACCTL_RSTN;
+       BA0WRITE4(sc, CS428X_ACCTL, acctl);
+
+       if (cs428x_src_wait(sc) < 0) {
+               printf("%s: AC97 read prob. (DCV!=0) for add=0x%0x\n",
+                      sc->sc_dev.dv_xname, ac97_addr);
+               return 1;
+       }
+
+       /* wait for valid status bit is active */
+       n = 0;
+       while ((BA0READ4(sc, CS428X_ACSTS) & ACSTS_VSTS) == 0) {
+               delay(1);
+               while (++n > 1000) {
+                       printf("%s: AC97 read fail (VSTS==0) for add=0x%0x\n",
+                              sc->sc_dev.dv_xname, ac97_addr);
+                       return 1;
+               }
+       }
+       *ac97_data = BA0READ4(sc, CS428X_ACSDA);
+       DPRINTFN(5,("data=0x%04x\n", *ac97_data));
+       return 0;
+}
+
+int
+cs428x_write_codec(void *addr, u_int8_t ac97_addr, u_int16_t ac97_data)
+{
+       struct cs428x_softc *sc;
+       u_int32_t acctl;
+
+       sc = addr;
+
+       DPRINTFN(5,("write_codec: add=0x%02x  data=0x%04x\n", ac97_addr, ac97_data));
+       BA0WRITE4(sc, CS428X_ACCAD, ac97_addr);
+       BA0WRITE4(sc, CS428X_ACCDA, ac97_data);
+
+       acctl = ACCTL_ESYN | ACCTL_VFRM | ACCTL_DCV;



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