add device file interface for UCB1200

This commit is contained in:
uch 2000-03-03 19:54:34 +00:00
parent 40b13c16c0
commit 630279a800
6 changed files with 518 additions and 60 deletions

View File

@ -1,4 +1,4 @@
# $NetBSD: files.hpcmips,v 1.22 2000/02/27 16:34:14 uch Exp $
# $NetBSD: files.hpcmips,v 1.23 2000/03/03 19:54:37 uch Exp $
# maxpartitions must be first item in files.${ARCH}.
maxpartitions 8
@ -230,7 +230,7 @@ file arch/hpcmips/dev/ucbtp.c ucbtp
device ucbsnd
attach ucbsnd at ucbif
file arch/hpcmips/dev/ucbsnd.c ucbsnd
file arch/hpcmips/dev/ucbsnd.c ucbsnd needs-flag
device ucbio: newgpbusif
attach ucbio at ucbif

View File

@ -1,4 +1,4 @@
/* $NetBSD: ucb1200reg.h,v 1.3 2000/02/27 16:37:51 uch Exp $ */
/* $NetBSD: ucb1200reg.h,v 1.4 2000/03/03 19:54:35 uch Exp $ */
/*
* Copyright (c) 2000, by UCHIYAMA Yasushi
@ -111,11 +111,14 @@
#define UCB1200_AUDIOCTRLB_ATT_MAX 0x1f
#define UCB1200_AUDIOCTRLB_ATT_SHIFT 0
#define UCB1200_AUDIOCTRLB_ATT_MASK 0x1f
#define UCB1200_AUDIOCTRLB_ATT(cr) \
(((cr) >> UCB1200_AUDIOCTRLB_ATT_SHIFT) & \
#define UCB1200_AUDIOCTRLB_ATT(cr) \
(((cr) >> UCB1200_AUDIOCTRLB_ATT_SHIFT) & \
UCB1200_AUDIOCTRLB_ATT_MASK)
#define UCB1200_AUDIOCTRLB_ATT_SET(cr, val) \
((cr) | (((val) << UCB1200_AUDIOCTRLB_ATT_SHIFT) & \
#define UCB1200_AUDIOCTRLB_ATT_CLR(cr) \
((cr) & ~(UCB1200_AUDIOCTRLB_ATT_MASK << \
UCB1200_AUDIOCTRLB_ATT_SHIFT))
#define UCB1200_AUDIOCTRLB_ATT_SET(cr, val) \
((cr) | (((val) << UCB1200_AUDIOCTRLB_ATT_SHIFT) & \
(UCB1200_AUDIOCTRLB_ATT_MASK << UCB1200_AUDIOCTRLB_ATT_SHIFT)))
#define UCB1200_AUDIOCTRLB_CLIPSTATCLR 0x0040

View File

@ -1,4 +1,4 @@
/* $NetBSD: ucbsnd.c,v 1.2 2000/01/16 21:47:01 uch Exp $ */
/* $NetBSD: ucbsnd.c,v 1.3 2000/03/03 19:54:34 uch Exp $ */
/*
* Copyright (c) 2000, by UCHIYAMA Yasushi
@ -29,6 +29,8 @@
/*
* Device driver for PHILIPS UCB1200 Advanced modem/audio analog front-end
* Audio codec part.
*
* /dev/ucbsnd0 : sampling rate 22.154kHz monoral 16bit straight PCM device.
*/
#define UCBSNDDEBUG
@ -37,7 +39,11 @@
#include <sys/param.h>
#include <sys/systm.h>
#include <sys/conf.h>
#include <sys/malloc.h>
#include <sys/device.h>
#include <sys/proc.h>
#include <sys/endian.h>
#include <machine/bus.h>
#include <machine/intr.h>
@ -51,6 +57,9 @@
#include <hpcmips/dev/ucb1200var.h>
#include <hpcmips/dev/ucb1200reg.h>
#define AUDIOUNIT(x) (minor(x)&0x0f)
#define AUDIODEV(x) (minor(x)&0xf0)
#ifdef UCBSNDDEBUG
int ucbsnd_debug = 1;
#define DPRINTF(arg) if (ucbsnd_debug) printf arg;
@ -60,11 +69,19 @@ int ucbsnd_debug = 1;
#define DPRINTFN(n, arg)
#endif
#define UCBSND_BUFBLOCK 5
/*
* XXX temporary DMA buffer
*/
static u_int8_t dmabuf_static[TX39_SIBDMA_SIZE * UCBSND_BUFBLOCK] __attribute__((__aligned__(16))); /* XXX */
static size_t dmabufcnt_static[UCBSND_BUFBLOCK]; /* XXX */
enum ucbsnd_state {
/* 0 */ UCBSND_IDLE,
/* 1 */ UCBSND_INIT,
/* 2 */ UCBSND_ENABLE_SAMPLERATE,
/* 3 */ UCBSND_ENABLE_OUTPUTPATH,
/* 4 */ UCBSND_ENABLE_SETVOLUME,
/* 5 */ UCBSND_ENABLE_SPEAKER0,
/* 6 */ UCBSND_ENABLE_SPEAKER1,
/* 7 */ UCBSND_TRANSITION_PIO,
@ -73,7 +90,21 @@ enum ucbsnd_state {
/*10 */ UCBSND_DISABLE_OUTPUTPATH,
/*11 */ UCBSND_DISABLE_SPEAKER0,
/*12 */ UCBSND_DISABLE_SPEAKER1,
/*13 */ UCBSND_DISABLE_SIB
/*13 */ UCBSND_DISABLE_SIB,
/*14 */ UCBSND_DMASTART,
/*15 */ UCBSND_DMAEND,
};
struct ring_buf {
u_int32_t rb_buf; /* buffer start address */
size_t *rb_bufcnt; /* effective data count (max rb_blksize)*/
size_t rb_bufsize; /* total amount of buffer */
int rb_blksize; /* DMA block size */
int rb_maxblks; /* # of blocks in ring */
int rb_inp; /* start of input (to buffer) */
int rb_outp; /* output pointer */
};
struct ucbsnd_softc {
@ -82,14 +113,18 @@ struct ucbsnd_softc {
struct device *sc_ucb; /* parent (UCB1200 module) */
tx_chipset_tag_t sc_tc;
struct tx_sound_tag sc_tag;
int sc_mute;
struct tx_sound_tag sc_tag;
int sc_mute;
/*
* audio codec state machine
*/
int sa_transfer_mode;
#define UCBSND_TRANSFERMODE_DMA 0
#define UCBSND_TRANSFERMODE_PIO 1
enum ucbsnd_state sa_state;
int sa_snd_attenuation;
#define UCBSND_DEFAULT_ATTENUATION 0 /* Full volume */
int sa_snd_rate; /* passed down from SIB module */
int sa_tel_rate;
int sa_enabled;
@ -97,19 +132,38 @@ struct ucbsnd_softc {
void* sa_sndih;
int sa_retry;
int sa_cnt; /* misc counter */
/*
* input buffer
*/
size_t sa_dmacnt;
struct ring_buf sc_rb;
};
cdev_decl(ucbsnd);
int ucbsnd_match __P((struct device*, struct cfdata*, void*));
void ucbsnd_attach __P((struct device*, struct device*, void*));
int ucbsnd_exec_output __P((void*));
int ucbsnd_busy __P((void*));
int ucbsnd_busy __P((void*));
void ucbsnd_sound_init __P((struct ucbsnd_softc*));
void __ucbsnd_sound_click __P((tx_sound_tag_t));
void __ucbsnd_sound_mute __P((tx_sound_tag_t, int));
int ucbsndwrite_subr __P((struct ucbsnd_softc *, u_int32_t *, size_t,
struct uio *));
int ringbuf_allocate __P((struct ring_buf*, size_t, int));
void ringbuf_deallocate __P((struct ring_buf*));
void ringbuf_reset __P((struct ring_buf*));
int ringbuf_full __P((struct ring_buf*));
void *ringbuf_producer_get __P((struct ring_buf*));
void ringbuf_producer_return __P((struct ring_buf*, size_t));
void *ringbuf_consumer_get __P((struct ring_buf*, size_t*));
void ringbuf_consumer_return __P((struct ring_buf*));
struct cfattach ucbsnd_ca = {
sizeof(struct ucbsnd_softc), ucbsnd_match, ucbsnd_attach
};
@ -143,6 +197,7 @@ ucbsnd_attach(parent, self, aux)
sc->sa_snd_rate = ucba->ucba_snd_rate;
sc->sa_tel_rate = ucba->ucba_tel_rate;
sc->sa_snd_attenuation = UCBSND_DEFAULT_ATTENUATION;
#define KHZ(a) ((a) / 1000), (((a) % 1000))
printf(": audio %d.%03d kHz telecom %d.%03d kHz",
KHZ((tx39sib_clock(sc->sc_sib) * 2) /
@ -153,6 +208,8 @@ ucbsnd_attach(parent, self, aux)
ucb1200_state_install(parent, ucbsnd_busy, self,
UCB1200_SND_MODULE);
ringbuf_allocate(&sc->sc_rb, TX39_SIBDMA_SIZE, UCBSND_BUFBLOCK);
printf("\n");
}
@ -172,6 +229,8 @@ ucbsnd_exec_output(arg)
struct ucbsnd_softc *sc = arg;
tx_chipset_tag_t tc = sc->sc_tc;
txreg_t reg;
u_int32_t *buf;
size_t bufcnt;
switch (sc->sa_state) {
default:
@ -197,15 +256,15 @@ ucbsnd_exec_output(arg)
reg = TX39_SIBSF0_REGADDR_SET(reg, UCB1200_AUDIOCTRLA_REG);
reg = TX39_SIBSF0_REGDATA_SET(reg, sc->sa_snd_rate);
tx_conf_write(tc, TX39_SIBSF0CTRL_REG, reg);
sc->sa_state = UCBSND_ENABLE_OUTPUTPATH;
return 0;
case UCBSND_ENABLE_OUTPUTPATH:
/* Enable UCB1200 side */
reg = TX39_SIBSF0_WRITE;
reg = TX39_SIBSF0_REGADDR_SET(reg, UCB1200_AUDIOCTRLB_REG);
reg = TX39_SIBSF0_REGDATA_SET(reg,
reg = TX39_SIBSF0_REGDATA_SET(reg, sc->sa_snd_attenuation |
UCB1200_AUDIOCTRLB_OUTEN);
tx_conf_write(tc, TX39_SIBSF0CTRL_REG, reg);
@ -217,7 +276,6 @@ ucbsnd_exec_output(arg)
sc->sa_state = UCBSND_ENABLE_SPEAKER0;
sc->sa_retry = 10;
return 0;
case UCBSND_ENABLE_SPEAKER0:
/* Speaker on */
@ -247,13 +305,72 @@ ucbsnd_exec_output(arg)
reg |= UCB1200_IO_DATA_SPEAKER;
tx_conf_write(tc, TX39_SIBSF0CTRL_REG, reg);
sc->sa_state = UCBSND_TRANSITION_PIO;
return 0;
/*
* Begin to transfer.
*/
switch (sc->sa_transfer_mode) {
case UCBSND_TRANSFERMODE_DMA:
sc->sa_state = UCBSND_DMASTART;
sc->sa_dmacnt = 0;
break;
case UCBSND_TRANSFERMODE_PIO:
sc->sa_state = UCBSND_TRANSITION_PIO;
break;
}
return 0;
case UCBSND_DMASTART:
/* get data */
if (sc->sa_dmacnt) /* return previous buffer */
ringbuf_consumer_return(&sc->sc_rb);
buf = ringbuf_consumer_get(&sc->sc_rb, &bufcnt);
if (buf == 0) {
sc->sa_state = UCBSND_DMAEND;
return 0;
}
if (sc->sa_dmacnt == 0) {
/* change interrupt source */
if (sc->sa_sf0ih) {
tx_intr_disestablish(tc, sc->sa_sf0ih);
sc->sa_sf0ih = 0;
}
sc->sa_sndih = tx_intr_establish(
tc, MAKEINTR(1, TX39_INTRSTATUS1_SND1_0INT),
IST_EDGE, IPL_TTY, ucbsnd_exec_output, sc);
} else {
wakeup(&sc->sc_rb);
}
/* set DMA buffer address */
tx_conf_write(tc, TX39_SIBSNDTXSTART_REG,
MIPS_KSEG0_TO_PHYS(buf));
/* set DMA buffer size */
tx_conf_write(tc, TX39_SIBSIZE_REG,
TX39_SIBSIZE_SNDSIZE_SET(0, bufcnt));
tx_conf_write(tc, TX39_SIBSF0CTRL_REG, TX39_SIBSF0_SNDVALID);
/* kick DMA */
reg = tx_conf_read(tc, TX39_SIBDMACTRL_REG);
reg |= TX39_SIBDMACTRL_ENDMATXSND;
tx_conf_write(tc, TX39_SIBDMACTRL_REG, reg);
/* set next */
sc->sa_dmacnt += bufcnt;
break;
case UCBSND_DMAEND:
sc->sa_state = UCBSND_TRANSITION_DISABLE;
break;
case UCBSND_TRANSITION_PIO:
/* change interrupt source */
tx_intr_disestablish(tc, sc->sa_sf0ih);
if (sc->sa_sf0ih) {
tx_intr_disestablish(tc, sc->sa_sf0ih);
sc->sa_sf0ih = 0;
}
sc->sa_sndih = tx_intr_establish(
tc, MAKEINTR(1, TX39_INTRSTATUS1_SNDININT),
IST_EDGE, IPL_TTY, ucbsnd_exec_output, sc);
@ -264,24 +381,24 @@ ucbsnd_exec_output(arg)
return 0;
case UCBSND_PIO:
sc->sa_cnt++;
if ((sc->sa_cnt % 20) == 0)
tx_conf_write(tc, TX39_SIBSNDHOLD_REG, sc->sa_cnt + 5000);
else
tx_conf_write(tc, TX39_SIBSNDHOLD_REG, 0);
{
/* PIO test routine */
int dummy_data = sc->sa_cnt * 3;
tx_conf_write(tc, TX39_SIBSNDHOLD_REG,
dummy_data << 16 | dummy_data);
tx_conf_write(tc, TX39_SIBSF0CTRL_REG, TX39_SIBSF0_SNDVALID);
if (sc->sa_cnt > 50)
if (sc->sa_cnt++ > 50) {
sc->sa_state = UCBSND_TRANSITION_DISABLE;
}
return 0;
}
case UCBSND_TRANSITION_DISABLE:
/* change interrupt source */
sc->sa_enabled = 0;
tx_intr_disestablish(tc, sc->sa_sndih);
if (sc->sa_sndih) {
tx_intr_disestablish(tc, sc->sa_sndih);
sc->sa_sndih = 0;
}
sc->sa_sf0ih = tx_intr_establish(
tc, MAKEINTR(1, TX39_INTRSTATUS1_SIBSF0INT),
IST_EDGE, IPL_TTY, ucbsnd_exec_output, sc);
@ -338,7 +455,10 @@ ucbsnd_exec_output(arg)
tx_conf_write(tc, TX39_SIBCTRL_REG, reg);
/* end audio disable sequence */
tx_intr_disestablish(tc, sc->sa_sf0ih);
if (sc->sa_sf0ih) {
tx_intr_disestablish(tc, sc->sa_sf0ih);
sc->sa_sf0ih = 0;
}
sc->sa_state = UCBSND_IDLE;
return 0;
@ -371,6 +491,7 @@ __ucbsnd_sound_click(arg)
struct ucbsnd_softc *sc = (void*)arg;
if (!sc->sc_mute && sc->sa_state == UCBSND_IDLE) {
sc->sa_transfer_mode = UCBSND_TRANSFERMODE_PIO;
sc->sa_state = UCBSND_INIT;
ucbsnd_exec_output((void*)sc);
}
@ -384,3 +505,302 @@ __ucbsnd_sound_mute(arg, onoff)
struct ucbsnd_softc *sc = (void*)arg;
sc->sc_mute = onoff;
}
/*
* device access
*/
extern struct cfdriver ucbsnd_cd;
int
ucbsndopen(dev, flags, ifmt, p)
dev_t dev;
int flags, ifmt;
struct proc *p;
{
int unit = AUDIOUNIT(dev);
struct ucbsnd_softc *sc;
if (unit >= ucbsnd_cd.cd_ndevs ||
(sc = ucbsnd_cd.cd_devs[unit]) == NULL)
return (ENXIO);
return (0);
}
int
ucbsndclose(dev, flags, ifmt, p)
dev_t dev;
int flags, ifmt;
struct proc *p;
{
int unit = AUDIOUNIT(dev);
struct ucbsnd_softc *sc;
if (unit >= ucbsnd_cd.cd_ndevs ||
(sc = ucbsnd_cd.cd_devs[unit]) == NULL)
return (ENXIO);
DPRINTF(("ucbsndclose\n"));
return (0);
}
int
ucbsndread(dev, uio, ioflag)
dev_t dev;
struct uio *uio;
int ioflag;
{
int unit = AUDIOUNIT(dev);
struct ucbsnd_softc *sc;
int error = 0;
if (unit >= ucbsnd_cd.cd_ndevs ||
(sc = ucbsnd_cd.cd_devs[unit]) == NULL)
return (ENXIO);
/* not supported yet */
return (error);
}
int
ucbsndwrite_subr(sc, buf, bufsize, uio)
struct ucbsnd_softc *sc;
u_int32_t *buf;
size_t bufsize;
struct uio *uio;
{
int i, s, error;
error = uiomove(buf, bufsize, uio);
/*
* inverse endian for UCB1200
*/
for (i = 0; i < bufsize / sizeof(int); i++)
buf[i] = htobe32(buf[i]);
MachFlushCache();
ringbuf_producer_return(&sc->sc_rb, bufsize);
s = splhigh();
if (sc->sa_state == UCBSND_IDLE && ringbuf_full(&sc->sc_rb)) {
sc->sa_transfer_mode = UCBSND_TRANSFERMODE_DMA;
sc->sa_state = UCBSND_INIT;
ucbsnd_exec_output((void*)sc);
}
splx(s);
return error;
}
int
ucbsndwrite(dev, uio, ioflag)
dev_t dev;
struct uio *uio;
int ioflag;
{
int unit = AUDIOUNIT(dev);
struct ucbsnd_softc *sc;
int len, error = 0;
int i, n, rest;
void *buf;
if (unit >= ucbsnd_cd.cd_ndevs ||
(sc = ucbsnd_cd.cd_devs[unit]) == NULL)
return (ENXIO);
len = uio->uio_resid;
n = (len + TX39_SIBDMA_SIZE - 1) / TX39_SIBDMA_SIZE;
rest = len % TX39_SIBDMA_SIZE;
if (rest)
--n;
for (i = 0; i < n; i++) {
while (!(buf = ringbuf_producer_get(&sc->sc_rb)))
tsleep(&sc->sc_rb, PRIBIO, "ucbsnd", 0);
error = ucbsndwrite_subr(sc, buf, TX39_SIBDMA_SIZE, uio);
if (error)
goto out;
}
if (rest) {
while (!(buf = ringbuf_producer_get(&sc->sc_rb)))
tsleep(&sc->sc_rb, PRIBIO, "ucbsnd", 0);
error = ucbsndwrite_subr(sc, buf, rest, uio);
}
out:
return (error);
}
int
ucbsndioctl(dev, cmd, addr, flag, p)
dev_t dev;
u_long cmd;
caddr_t addr;
int flag;
struct proc *p;
{
int error = 0;
/* not coded yet */
return (error);
}
int
ucbsndpoll(dev, events, p)
dev_t dev;
int events;
struct proc *p;
{
int error = 0;
/* not coded yet */
return (error);
}
int
ucbsndmmap(dev, off, prot)
dev_t dev;
int off, prot;
{
int error = 0;
/* not coded yet */
return (error);
}
/*
* Ring buffer.
*/
int
ringbuf_allocate(rb, blksize, maxblk)
struct ring_buf *rb;
size_t blksize;
int maxblk;
{
rb->rb_bufsize = blksize * maxblk;
rb->rb_blksize = blksize;
rb->rb_maxblks = maxblk;
#if notyet
rb->rb_buf = (u_int32_t)malloc(rb->rb_bufsize, M_DEVBUF, M_WAITOK);
#else
rb->rb_buf = (u_int32_t)dmabuf_static;
#endif
if (rb->rb_buf == 0) {
printf("ringbuf_allocate: can't allocate buffer\n");
return 1;
}
memset((char*)rb->rb_buf, 0, rb->rb_bufsize);
#if notyet
rb->rb_bufcnt = malloc(rb->rb_maxblks * sizeof(size_t), M_DEVBUF,
M_WAITOK);
#else
rb->rb_bufcnt = dmabufcnt_static;
#endif
if (rb->rb_bufcnt == 0) {
printf("ringbuf_allocate: can't allocate buffer\n");
return 1;
}
memset((char*)rb->rb_bufcnt, 0, rb->rb_maxblks * sizeof(size_t));
ringbuf_reset(rb);
return 0;
}
void
ringbuf_deallocate(rb)
struct ring_buf *rb;
{
#if notyet
free((void*)rb->rb_buf, M_DEVBUF);
free(rb->rb_bufcnt, M_DEVBUF);
#endif
}
void
ringbuf_reset(rb)
struct ring_buf *rb;
{
rb->rb_outp = 0;
rb->rb_inp = 0;
}
int
ringbuf_full(rb)
struct ring_buf *rb;
{
int ret;
ret = rb->rb_outp == rb->rb_maxblks;
return ret;
}
void*
ringbuf_producer_get(rb)
struct ring_buf *rb;
{
u_int32_t ret;
int s;
s = splhigh();
ret = ringbuf_full(rb) ? 0 :
rb->rb_buf + rb->rb_inp * rb->rb_blksize;
splx(s);
return (void*)ret;
}
void
ringbuf_producer_return(rb, cnt)
struct ring_buf *rb;
size_t cnt;
{
int s;
assert(cnt <= rb->rb_blksize);
s = splhigh();
rb->rb_outp++;
rb->rb_bufcnt[rb->rb_inp] = cnt;
rb->rb_inp = (rb->rb_inp + 1) % rb->rb_maxblks;
splx(s);
}
void*
ringbuf_consumer_get(rb, cntp)
struct ring_buf *rb;
size_t *cntp;
{
u_int32_t p;
int idx;
if (rb->rb_outp == 0)
return 0;
idx = (rb->rb_inp - rb->rb_outp + rb->rb_maxblks) % rb->rb_maxblks;
p = rb->rb_buf + idx * rb->rb_blksize;
*cntp = rb->rb_bufcnt[idx];
return (void*)p;
}
void
ringbuf_consumer_return(rb)
struct ring_buf *rb;
{
if (rb->rb_outp > 0)
rb->rb_outp--;
}

View File

@ -1,4 +1,4 @@
/* $NetBSD: conf.c,v 1.3 2000/02/29 19:08:54 augustss Exp $ */
/* $NetBSD: conf.c,v 1.4 2000/03/03 19:54:40 uch Exp $ */
/*
* Copyright (c) 1992, 1993
@ -129,6 +129,8 @@ cdev_decl(ipl);
cdev_decl(com);
#include "tx39uart.h"
cdev_decl(txcom);
#include "ucbsnd.h"
cdev_decl(ucbsnd);
#if notyet
#include "lpt.h"
cdev_decl(lpt);
@ -226,8 +228,13 @@ struct cdevsw cdevsw[] =
#else
cdev_notdef(),
#endif
#if NUCBSND > 0
cdev_audio_init(NUCBSND,ucbsnd),/* 36: UCB1200 Codec (TX39 companion chip) */
#else
cdev_notdef(),
#endif
#if notyet
cdev_tty_init(NUCOM, ucom), /* 36: USB tty */
cdev_tty_init(NUCOM, ucom), /* 37: USB tty */
#endif
};
@ -294,6 +301,8 @@ static int chrtoblktbl[] = {
/* 33 */ NODEV,
/* 34 */ NODEV,
/* 35 */ NODEV,
/* 36 */ NODEV,
/* 37 */ NODEV,
};
/*

View File

@ -1,4 +1,4 @@
/* $NetBSD: tx39sib.c,v 1.3 2000/01/16 21:47:01 uch Exp $ */
/* $NetBSD: tx39sib.c,v 1.4 2000/03/03 19:54:36 uch Exp $ */
/*
* Copyright (c) 2000, by UCHIYAMA Yasushi
@ -47,8 +47,8 @@
#include "locators.h"
#ifdef TX39SIBDEBUG
int tx39sib_debug = 0;
#define DPRINTF(arg) if (tx39sib_debug) printf arg;
int tx39sibdebug = 0;
#define DPRINTF(arg) if (tx39sibdebug) printf arg;
#else
#define DPRINTF(arg)
#endif
@ -83,7 +83,7 @@ struct tx39sib_param {
int sp_snd_rate; /* SNDFSDIV + 1 */
int sp_tel_rate; /* TELFSDIV + 1 */
/*
* Fs = (SIBSCLK * 2) / ((FSDIV + 1) * 64
* Fs = (SIBSCLK * 2) / ((FSDIV + 1) * 64)
* FSDIV + 1 sampling rate
* 15 19.2k (1.6% error vs. CD-XA)
* 13 22.154k (0.47% error vs. CD-Audio)
@ -94,9 +94,22 @@ struct tx39sib_param {
int sp_sf0telmode;
};
struct tx39sib_param tx39sib_param_default = {
struct tx39sib_param tx39sib_param_default_3912 = {
0, /* SIBSCLK = 9.216MHz */
13, /* audio: CD-Audio */
#if 0 /* setting sample */
40, /* audio: 7.2kHz */
26, /* audio: CD-Audio(/4) 11.077kHz*/
6, /* audio: 48kHz */
#endif
13, /* audio: CD-Audio(/2 = 22.050) 22.154kHz*/
40, /* telecom: 7.2kHz */
TX39_SIBCTRL_SND16, /* Audio 16bit mono */
TX39_SIBCTRL_TEL16 /* Telecom 16bit mono */
};
struct tx39sib_param tx39sib_param_default_3922 = {
0, /* SIBSCLK = 9.216MHz */
13, /* audio: CD-Audio(/4) 11.077kHz */
40, /* telecom: 7.2kHz */
TX39_SIBCTRL_SND16, /* Audio 16bit mono */
TX39_SIBCTRL_TEL16 /* Telecom 16bit mono */
@ -111,7 +124,9 @@ struct tx39sib_softc {
};
__inline int __txsibsf0_ready __P((tx_chipset_tag_t));
#ifdef TX39SIBDEBUG
void tx39sib_dump __P((struct tx39sib_softc*));
#endif
struct cfattach tx39sib_ca = {
sizeof(struct tx39sib_softc), tx39sib_match, tx39sib_attach
@ -139,13 +154,20 @@ tx39sib_attach(parent, self, aux)
sc->sc_tc = tc = ta->ta_tc;
/* set default param */
sc->sc_param = tx39sib_param_default;
#ifdef TX391X
sc->sc_param = tx39sib_param_default_3912;
#endif /* TX391X */
#ifdef TX392X
sc->sc_param = tx39sib_param_default_3922;
#endif /* TX392X */
#define MHZ(a) ((a) / 1000000), (((a) % 1000000) / 1000)
printf(": %d.%03d MHz", MHZ(tx39sib_clock(self)));
printf("\n");
#ifdef TX39SIBDEBUG
tx39sib_dump(sc);
if (tx39sibdebug)
tx39sib_dump(sc);
#endif
/* enable subframe0 */
tx39sib_enable1(self);
@ -153,7 +175,8 @@ tx39sib_attach(parent, self, aux)
tx39sib_enable2(self);
#ifdef TX39SIBDEBUG
tx39sib_dump(sc);
if (tx39sibdebug)
tx39sib_dump(sc);
#endif
config_search(tx39sib_search, self, tx39sib_print);
@ -304,12 +327,12 @@ __txsibsf0_ready(tc)
tx_conf_write(tc, TX39_INTRSTATUS1_REG, TX39_INTRSTATUS1_SIBSF0INT);
for (i = 0; (!(tx_conf_read(tc, TX39_INTRSTATUS1_REG) &
TX39_INTRSTATUS1_SIBSF0INT)) && i < 100; i++)
TX39_INTRSTATUS1_SIBSF0INT)) && i < 200; i++)
;
if (i == 100) {
if (i >= 200) {
printf("sf0 busy\n");
return 0;
} else if (i > 50) {
} else if (i > 100) {
printf("sf0 busy loop:%d\n", i);
return 0;
}
@ -366,10 +389,7 @@ txsibsf0_read(tc, addr)
return reg;
}
/*
* debug functions.
*/
#ifdef TX39SIBDEBUG
#define ISSETPRINT_CTRL(r, m) \
__is_set_print(r, TX39_SIBCTRL_##m, #m)
#define ISSETPRINT_DMACTRL(r, m) \
@ -417,3 +437,4 @@ tx39sib_dump(sc)
printf("TELDMAPTR %d\n", TX39_SIBDMACTRL_SNDDMAPTR(reg));
}
#endif /* TX39SIBDEBUG */

View File

@ -1,4 +1,4 @@
/* $NetBSD: tx39sibreg.h,v 1.1 2000/01/08 21:07:03 uch Exp $ */
/* $NetBSD: tx39sibreg.h,v 1.2 2000/03/03 19:54:37 uch Exp $ */
/*
* Copyright (c) 2000, by UCHIYAMA Yasushi
@ -43,6 +43,11 @@
#define TX39_SIBSF1STAT_REG 0x08c /* R */
#define TX39_SIBDMACTRL_REG 0x090 /* R/W */
/*
* SIB DMA
*/
#define TX39_SIBDMA_SIZE 16384
/*
* SIB Size Register
*/
@ -50,12 +55,12 @@
#define TX39_SIBSIZE_TEL_SHIFT 2
#define TX39_SIBSIZE_MASK 0xfff
#define TX39_SIBSIZE_SNDSIZE_SET(val) \
(((((val) >> 2) - 1) << TX39_SIBSIZE_SND_SHIFT) & \
(TX39_SIBSIZE_MASK << TX39_SIBSIZE_SND_SHIFT))
#define TX39_SIBSIZE_TELSIZE_SET(val) \
(((((val) >> 2) - 1) << TX39_SIBSIZE_TEL_SHIFT) & \
(TX39_SIBSIZE_MASK << TX39_SIBSIZE_TEL_SHIFT))
#define TX39_SIBSIZE_SNDSIZE_SET(cr, val) \
((cr) | (((((val) >> 2) - 1) << TX39_SIBSIZE_SND_SHIFT) & \
(TX39_SIBSIZE_MASK << TX39_SIBSIZE_SND_SHIFT)))
#define TX39_SIBSIZE_TELSIZE_SET(cr, val) \
((cr) | (((((val) >> 2) - 1) << TX39_SIBSIZE_TEL_SHIFT) & \
(TX39_SIBSIZE_MASK << TX39_SIBSIZE_TEL_SHIFT)))
/*
* SIB Sound RX Start Register