NetBSD-5.0.2/sys/dev/pci/cs428x.h
/* $NetBSD: cs428x.h,v 1.14 2007/12/09 20:28:07 jmcneill 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;
void *addr; /* real DMA buffer */
void *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 */
/*
* Flags (currently used only for CS4280)
*/
enum cs428x_flags {
CS428X_FLAG_NONE = 0x0,
CS428X_FLAG_INVAC97EAMP = 0x1, /* inverted AC97 external amp */
CS428X_FLAG_CLKRUNHACK = 0x2 /* needs CLKRUN hack */
};
/*
* Software state
*/
struct cs428x_softc {
struct device sc_dev;
pci_chipset_tag_t sc_pc;
pcitag_t sc_pt;
pci_intr_handle_t * sc_ih;
pci_intr_handle_t intrh;
/* 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)(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)(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 these 3 variables are needed only for CS4280.
*/
enum cs428x_flags sc_flags;
uint32_t pctl;
uint32_t cctl;
/* AC97 CODEC */
struct ac97_codec_if *codec_if;
struct ac97_host_if host_if;
/* Power Management */
union {
struct {
uint32_t pctl;
uint32_t pba;
uint32_t pfie;
uint32_t pdtc;
uint32_t cctl;
uint32_t cba;
uint32_t cie;
} cs4280;
struct {
uint32_t dba0;
uint32_t dbc0;
uint32_t dmr0;
uint32_t dcr0;
uint32_t dba1;
uint32_t dbc1;
uint32_t dmr1;
uint32_t dcr1;
} cs4281;
} sc_suspend_state;
/* CLKRUN hack (CS428X_FLAG_CLKRUN), only for CS4280 */
int sc_active;
bus_space_tag_t sc_pm_iot;
bus_space_handle_t sc_pm_ioh;
};
int cs428x_round_blocksize(void *, int, int, const audio_params_t *);
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, struct malloc_type *, int);
size_t cs428x_round_buffersize(void *, int, size_t);
void cs428x_free(void *, void *, struct malloc_type *);
paddr_t cs428x_mappage(void *, void *, off_t, int);
/* internal functions */
int cs428x_allocmem(struct cs428x_softc *, size_t, struct malloc_type *,
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_ */