[src/netbsd-1-5]: src/sys/dev/pci Pull up revisions 1.1-1.4 (new, requested b...

[he <he%NetBSD.org@localhost>]

details:   https://anonhg.NetBSD.org/src/rev/9b33f0487b70
branches:  netbsd-1-5
changeset: 491657:9b33f0487b70
user:      he <he%NetBSD.org@localhost>
date:      Sun May 06 15:12:48 2001 +0000

description:
Pull up revisions 1.1-1.4 (new, requested by he):
  Add driver for Cirrus Logic CrystalClear PCI Audio CS4281.

diffstat:

 sys/dev/pci/cs428x.h |  174 +++++++++++++++++++++++++++++++++++++++++++++++++++
 1 files changed, 174 insertions(+), 0 deletions(-)

diffs (178 lines):

diff -r 03f6abdd6396 -r 9b33f0487b70 sys/dev/pci/cs428x.h
--- /dev/null   Thu Jan 01 00:00:00 1970 +0000
+++ b/sys/dev/pci/cs428x.h      Sun May 06 15:12:48 2001 +0000
@@ -0,0 +1,174 @@
+/*     $NetBSD: cs428x.h,v 1.4.2.2 2001/05/06 15:12:48 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 and variables for CS4280 and CS4281 */
+
+#ifndef _CS428X_H_
+#define _CS428X_H_
+
+#define PCI_BA0               (0x10)
+#define PCI_BA1               (0x14)
+
+#define CS428X_SAVE_REG_MAX   (0x10)
+#define TYPE_CS4280           (0x4280)
+#define TYPE_CS4281           (0x4281)
+
+#define BA0READ4(sc, r) bus_space_read_4((sc)->ba0t, (sc)->ba0h, (r))
+#define BA0WRITE4(sc, r, x) bus_space_write_4((sc)->ba0t, (sc)->ba0h, (r), (x))
+
+/* DMA */
+struct cs428x_dma {
+       bus_dmamap_t map;
+       caddr_t addr;           /* real dma buffer */
+       caddr_t dum;            /* dummy buffer for audio driver */
+       bus_dma_segment_t segs[1];
+       int nsegs;
+       size_t size;
+       struct cs428x_dma *next;
+};
+#define DMAADDR(p) ((p)->map->dm_segs[0].ds_addr)
+#define KERNADDR(p) ((void *)((p)->addr)) /* buffer for real dma */
+#define BUFADDR(p)  ((void *)((p)->dum))  /* buffer for audio driver */
+
+/*
+ * Software state
+ */
+struct cs428x_softc {
+       struct device         sc_dev;
+
+       pci_intr_handle_t *   sc_ih;
+
+       /* I/O (BA0) */
+       bus_space_tag_t       ba0t;
+       bus_space_handle_t    ba0h;
+       
+       /* BA1 */
+       bus_space_tag_t       ba1t;
+       bus_space_handle_t    ba1h;
+       
+       /* DMA */
+       bus_dma_tag_t    sc_dmatag;
+       struct cs428x_dma *sc_dmas;
+       size_t dma_size;
+       size_t dma_align;
+
+       int     hw_blocksize;
+       int     type;
+
+       /* playback */
+       void    (*sc_pintr)(void *);    /* dma completion intr handler */
+       void    *sc_parg;               /* arg for sc_intr() */
+       char    *sc_ps, *sc_pe, *sc_pn;
+       int     sc_pcount;
+       int     sc_pi;
+       struct  cs428x_dma *sc_pdma;
+       char    *sc_pbuf;
+       int     (*halt_output)__P((void *));
+       char    sc_prun;                /* playback status */
+       int     sc_prate;               /* playback sample rate */
+
+       /* capturing */
+       void    (*sc_rintr)(void *);    /* dma completion intr handler */
+       void    *sc_rarg;               /* arg for sc_intr() */
+       char    *sc_rs, *sc_re, *sc_rn;
+       int     sc_rcount;
+       int     sc_ri;
+       struct  cs428x_dma *sc_rdma;
+       char    *sc_rbuf;
+       int     sc_rparam;              /* record format */
+       int     (*halt_input)__P((void *));
+       char    sc_rrun;                /* recording status */
+       int     sc_rrate;               /* recording sample rate */
+
+       /* Although cs4281 does not support midi (yet),
+        * don't remove these definition.
+        */
+       void    (*sc_iintr)(void *, int); /* midi input ready handler */
+       void    (*sc_ointr)(void *);      /* midi output ready handler */
+       void    *sc_arg;
+
+       /*
+        * XXX
+        * Actually thease 2 variables are needed only for CS4280.
+        */
+       u_int32_t pctl;
+       u_int32_t cctl;
+
+       /* AC97 CODEC */
+       struct ac97_codec_if *codec_if;
+       struct ac97_host_if host_if;    
+
+       /* Power Management */
+       char    sc_suspend;
+       void   *sc_powerhook;           /* Power Hook */
+};
+
+
+int  cs428x_open(void *, int);
+void cs428x_close(void *);
+int  cs428x_round_blocksize(void *, int);
+int  cs428x_get_props(void *);
+int  cs428x_attach_codec(void *, struct ac97_codec_if *);
+int  cs428x_read_codec(void *, u_int8_t, u_int16_t *);
+int  cs428x_write_codec(void *, u_int8_t, u_int16_t);
+
+int  cs428x_mixer_set_port(void *, mixer_ctrl_t *);
+int  cs428x_mixer_get_port(void *, mixer_ctrl_t *);
+int  cs428x_query_devinfo(void *, mixer_devinfo_t *);
+void *cs428x_malloc(void *, int, size_t, int, int);
+size_t cs428x_round_buffersize(void *, int, size_t);
+void cs428x_free(void *, void *, int);
+paddr_t cs428x_mappage(void *, void *, off_t, int);
+
+/* internal functions */
+int cs428x_allocmem(struct cs428x_softc *, size_t, int, int, struct cs428x_dma *);
+int cs428x_src_wait(struct cs428x_softc *);
+
+
+/* DEBUG */
+/* #define CS4280_DEBUG */
+/* #define CS4281_DEBUG */
+
+#if defined(CS4280_DEBUG) || defined(CS4281_DEBUG)
+#define DPRINTF(x)         if (cs428x_debug) printf x
+#define DPRINTFN(n,x)      if (cs428x_debug>(n)) printf x
+extern int cs428x_debug;
+#if CS4280_DEBUG + 0 == 0
+#undef CS4280_DEBUG
+#define CS4280_DEBUG 0
+#endif
+#else
+#define DPRINTF(x)
+#define DPRINTFN(n,x)
+#endif
+
+#endif /* _CS428X_H_ */