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freebsd-dev/sys/dev/sound/pci/emu10k1.c

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/*
* Copyright (c) 1999 Cameron Grant <gandalf@vilnya.demon.co.uk>
* 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.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``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 OR CONTRIBUTORS 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, WHETHERIN 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.
*/
#include <dev/sound/pcm/sound.h>
#include <dev/sound/pcm/ac97.h>
#include <gnu/dev/sound/pci/emu10k1.h>
#include <pci/pcireg.h>
#include <pci/pcivar.h>
#include <sys/queue.h>
SND_DECLARE_FILE("$FreeBSD$");
/* -------------------------------------------------------------------- */
#define EMU10K1_PCI_ID 0x00021102
#define EMU10K2_PCI_ID 0x00041102
#define EMU_DEFAULT_BUFSZ 4096
#define EMU_CHANS 4
#undef EMUDEBUG
struct emu_memblk {
SLIST_ENTRY(emu_memblk) link;
void *buf;
u_int32_t pte_start, pte_size;
};
struct emu_mem {
u_int8_t bmap[MAXPAGES / 8];
u_int32_t *ptb_pages;
void *silent_page;
SLIST_HEAD(, emu_memblk) blocks;
};
struct emu_voice {
int vnum;
int b16:1, stereo:1, busy:1, running:1, ismaster:1;
int speed;
int start, end, vol;
u_int32_t buf;
struct emu_voice *slave;
struct pcm_channel *channel;
};
struct sc_info;
/* channel registers */
struct sc_pchinfo {
int spd, fmt, blksz, run;
struct emu_voice *master, *slave;
struct snd_dbuf *buffer;
struct pcm_channel *channel;
struct sc_info *parent;
};
struct sc_rchinfo {
int spd, fmt, run, blksz, num;
u_int32_t idxreg, basereg, sizereg, setupreg, irqmask;
struct snd_dbuf *buffer;
struct pcm_channel *channel;
struct sc_info *parent;
};
/* device private data */
struct sc_info {
device_t dev;
u_int32_t type, rev;
u_int32_t tos_link:1, APS:1;
bus_space_tag_t st;
bus_space_handle_t sh;
bus_dma_tag_t parent_dmat;
struct resource *reg, *irq;
void *ih;
void *lock;
unsigned int bufsz;
int timer, timerinterval;
int pnum, rnum;
struct emu_mem mem;
struct emu_voice voice[64];
struct sc_pchinfo pch[EMU_CHANS];
struct sc_rchinfo rch[3];
};
/* -------------------------------------------------------------------- */
/*
* prototypes
*/
/* stuff */
static int emu_init(struct sc_info *);
static void emu_intr(void *);
static void *emu_malloc(struct sc_info *sc, u_int32_t sz);
static void *emu_memalloc(struct sc_info *sc, u_int32_t sz);
static int emu_memfree(struct sc_info *sc, void *buf);
static int emu_memstart(struct sc_info *sc, void *buf);
#ifdef EMUDEBUG
static void emu_vdump(struct sc_info *sc, struct emu_voice *v);
#endif
/* talk to the card */
static u_int32_t emu_rd(struct sc_info *, int, int);
static void emu_wr(struct sc_info *, int, u_int32_t, int);
/* -------------------------------------------------------------------- */
static u_int32_t emu_rfmt_ac97[] = {
AFMT_S16_LE,
AFMT_STEREO | AFMT_S16_LE,
0
};
static u_int32_t emu_rfmt_mic[] = {
AFMT_U8,
0
};
static u_int32_t emu_rfmt_efx[] = {
AFMT_STEREO | AFMT_S16_LE,
0
};
static struct pcmchan_caps emu_reccaps[3] = {
{8000, 48000, emu_rfmt_ac97, 0},
{8000, 8000, emu_rfmt_mic, 0},
{48000, 48000, emu_rfmt_efx, 0},
};
static u_int32_t emu_pfmt[] = {
AFMT_U8,
AFMT_STEREO | AFMT_U8,
AFMT_S16_LE,
AFMT_STEREO | AFMT_S16_LE,
0
};
static struct pcmchan_caps emu_playcaps = {4000, 48000, emu_pfmt, 0};
static int adcspeed[8] = {48000, 44100, 32000, 24000, 22050, 16000, 11025, 8000};
/* -------------------------------------------------------------------- */
/* Hardware */
static u_int32_t
emu_rd(struct sc_info *sc, int regno, int size)
{
switch (size) {
case 1:
return bus_space_read_1(sc->st, sc->sh, regno);
case 2:
return bus_space_read_2(sc->st, sc->sh, regno);
case 4:
return bus_space_read_4(sc->st, sc->sh, regno);
default:
return 0xffffffff;
}
}
static void
emu_wr(struct sc_info *sc, int regno, u_int32_t data, int size)
{
switch (size) {
case 1:
bus_space_write_1(sc->st, sc->sh, regno, data);
break;
case 2:
bus_space_write_2(sc->st, sc->sh, regno, data);
break;
case 4:
bus_space_write_4(sc->st, sc->sh, regno, data);
break;
}
}
static u_int32_t
emu_rdptr(struct sc_info *sc, int chn, int reg)
{
u_int32_t ptr, val, mask, size, offset;
ptr = ((reg << 16) & PTR_ADDRESS_MASK) | (chn & PTR_CHANNELNUM_MASK);
emu_wr(sc, PTR, ptr, 4);
val = emu_rd(sc, DATA, 4);
if (reg & 0xff000000) {
size = (reg >> 24) & 0x3f;
offset = (reg >> 16) & 0x1f;
mask = ((1 << size) - 1) << offset;
val &= mask;
val >>= offset;
}
return val;
}
static void
emu_wrptr(struct sc_info *sc, int chn, int reg, u_int32_t data)
{
u_int32_t ptr, mask, size, offset;
ptr = ((reg << 16) & PTR_ADDRESS_MASK) | (chn & PTR_CHANNELNUM_MASK);
emu_wr(sc, PTR, ptr, 4);
if (reg & 0xff000000) {
size = (reg >> 24) & 0x3f;
offset = (reg >> 16) & 0x1f;
mask = ((1 << size) - 1) << offset;
data <<= offset;
data &= mask;
data |= emu_rd(sc, DATA, 4) & ~mask;
}
emu_wr(sc, DATA, data, 4);
}
static void
emu_wrefx(struct sc_info *sc, unsigned int pc, unsigned int data)
{
emu_wrptr(sc, 0, MICROCODEBASE + pc, data);
}
/* -------------------------------------------------------------------- */
/* ac97 codec */
/* no locking needed */
static int
emu_rdcd(kobj_t obj, void *devinfo, int regno)
{
struct sc_info *sc = (struct sc_info *)devinfo;
emu_wr(sc, AC97ADDRESS, regno, 1);
return emu_rd(sc, AC97DATA, 2);
}
static int
emu_wrcd(kobj_t obj, void *devinfo, int regno, u_int32_t data)
{
struct sc_info *sc = (struct sc_info *)devinfo;
emu_wr(sc, AC97ADDRESS, regno, 1);
emu_wr(sc, AC97DATA, data, 2);
return 0;
}
static kobj_method_t emu_ac97_methods[] = {
KOBJMETHOD(ac97_read, emu_rdcd),
KOBJMETHOD(ac97_write, emu_wrcd),
{ 0, 0 }
};
AC97_DECLARE(emu_ac97);
/* -------------------------------------------------------------------- */
/* stuff */
static int
emu_settimer(struct sc_info *sc)
{
struct sc_pchinfo *pch;
struct sc_rchinfo *rch;
int i, tmp, rate;
rate = 0;
for (i = 0; i < EMU_CHANS; i++) {
pch = &sc->pch[i];
if (pch->buffer) {
tmp = (pch->spd * sndbuf_getbps(pch->buffer)) / pch->blksz;
if (tmp > rate)
rate = tmp;
}
}
for (i = 0; i < 3; i++) {
rch = &sc->rch[i];
if (rch->buffer) {
tmp = (rch->spd * sndbuf_getbps(rch->buffer)) / rch->blksz;
if (tmp > rate)
rate = tmp;
}
}
RANGE(rate, 48, 9600);
sc->timerinterval = 48000 / rate;
emu_wr(sc, TIMER, sc->timerinterval & 0x03ff, 2);
return sc->timerinterval;
}
static int
emu_enatimer(struct sc_info *sc, int go)
{
u_int32_t x;
if (go) {
if (sc->timer++ == 0) {
x = emu_rd(sc, INTE, 4);
x |= INTE_INTERVALTIMERENB;
emu_wr(sc, INTE, x, 4);
}
} else {
sc->timer = 0;
x = emu_rd(sc, INTE, 4);
x &= ~INTE_INTERVALTIMERENB;
emu_wr(sc, INTE, x, 4);
}
return 0;
}
static void
emu_enastop(struct sc_info *sc, char channel, int enable)
{
int reg = (channel & 0x20)? SOLEH : SOLEL;
channel &= 0x1f;
reg |= 1 << 24;
reg |= channel << 16;
emu_wrptr(sc, 0, reg, enable);
}
static int
emu_recval(int speed) {
int val;
val = 0;
while (val < 7 && speed < adcspeed[val])
val++;
return val;
}
static u_int32_t
emu_rate_to_pitch(u_int32_t rate)
{
static u_int32_t logMagTable[128] = {
0x00000, 0x02dfc, 0x05b9e, 0x088e6, 0x0b5d6, 0x0e26f, 0x10eb3, 0x13aa2,
0x1663f, 0x1918a, 0x1bc84, 0x1e72e, 0x2118b, 0x23b9a, 0x2655d, 0x28ed5,
0x2b803, 0x2e0e8, 0x30985, 0x331db, 0x359eb, 0x381b6, 0x3a93d, 0x3d081,
0x3f782, 0x41e42, 0x444c1, 0x46b01, 0x49101, 0x4b6c4, 0x4dc49, 0x50191,
0x5269e, 0x54b6f, 0x57006, 0x59463, 0x5b888, 0x5dc74, 0x60029, 0x623a7,
0x646ee, 0x66a00, 0x68cdd, 0x6af86, 0x6d1fa, 0x6f43c, 0x7164b, 0x73829,
0x759d4, 0x77b4f, 0x79c9a, 0x7bdb5, 0x7dea1, 0x7ff5e, 0x81fed, 0x8404e,
0x86082, 0x88089, 0x8a064, 0x8c014, 0x8df98, 0x8fef1, 0x91e20, 0x93d26,
0x95c01, 0x97ab4, 0x9993e, 0x9b79f, 0x9d5d9, 0x9f3ec, 0xa11d8, 0xa2f9d,
0xa4d3c, 0xa6ab5, 0xa8808, 0xaa537, 0xac241, 0xadf26, 0xafbe7, 0xb1885,
0xb3500, 0xb5157, 0xb6d8c, 0xb899f, 0xba58f, 0xbc15e, 0xbdd0c, 0xbf899,
0xc1404, 0xc2f50, 0xc4a7b, 0xc6587, 0xc8073, 0xc9b3f, 0xcb5ed, 0xcd07c,
0xceaec, 0xd053f, 0xd1f73, 0xd398a, 0xd5384, 0xd6d60, 0xd8720, 0xda0c3,
0xdba4a, 0xdd3b4, 0xded03, 0xe0636, 0xe1f4e, 0xe384a, 0xe512c, 0xe69f3,
0xe829f, 0xe9b31, 0xeb3a9, 0xecc08, 0xee44c, 0xefc78, 0xf148a, 0xf2c83,
0xf4463, 0xf5c2a, 0xf73da, 0xf8b71, 0xfa2f0, 0xfba57, 0xfd1a7, 0xfe8df
};
static char logSlopeTable[128] = {
0x5c, 0x5c, 0x5b, 0x5a, 0x5a, 0x59, 0x58, 0x58,
0x57, 0x56, 0x56, 0x55, 0x55, 0x54, 0x53, 0x53,
0x52, 0x52, 0x51, 0x51, 0x50, 0x50, 0x4f, 0x4f,
0x4e, 0x4d, 0x4d, 0x4d, 0x4c, 0x4c, 0x4b, 0x4b,
0x4a, 0x4a, 0x49, 0x49, 0x48, 0x48, 0x47, 0x47,
0x47, 0x46, 0x46, 0x45, 0x45, 0x45, 0x44, 0x44,
0x43, 0x43, 0x43, 0x42, 0x42, 0x42, 0x41, 0x41,
0x41, 0x40, 0x40, 0x40, 0x3f, 0x3f, 0x3f, 0x3e,
0x3e, 0x3e, 0x3d, 0x3d, 0x3d, 0x3c, 0x3c, 0x3c,
0x3b, 0x3b, 0x3b, 0x3b, 0x3a, 0x3a, 0x3a, 0x39,
0x39, 0x39, 0x39, 0x38, 0x38, 0x38, 0x38, 0x37,
0x37, 0x37, 0x37, 0x36, 0x36, 0x36, 0x36, 0x35,
0x35, 0x35, 0x35, 0x34, 0x34, 0x34, 0x34, 0x34,
0x33, 0x33, 0x33, 0x33, 0x32, 0x32, 0x32, 0x32,
0x32, 0x31, 0x31, 0x31, 0x31, 0x31, 0x30, 0x30,
0x30, 0x30, 0x30, 0x2f, 0x2f, 0x2f, 0x2f, 0x2f
};
int i;
if (rate == 0)
return 0; /* Bail out if no leading "1" */
rate *= 11185; /* Scale 48000 to 0x20002380 */
for (i = 31; i > 0; i--) {
if (rate & 0x80000000) { /* Detect leading "1" */
return (((u_int32_t) (i - 15) << 20) +
logMagTable[0x7f & (rate >> 24)] +
(0x7f & (rate >> 17)) *
logSlopeTable[0x7f & (rate >> 24)]);
}
rate <<= 1;
}
return 0; /* Should never reach this point */
}
static u_int32_t
emu_rate_to_linearpitch(u_int32_t rate)
{
rate = (rate << 8) / 375;
return (rate >> 1) + (rate & 1);
}
static struct emu_voice *
emu_valloc(struct sc_info *sc)
{
struct emu_voice *v;
int i;
v = NULL;
for (i = 0; i < 64 && sc->voice[i].busy; i++);
if (i < 64) {
v = &sc->voice[i];
v->busy = 1;
}
return v;
}
static int
emu_vinit(struct sc_info *sc, struct emu_voice *m, struct emu_voice *s,
u_int32_t sz, struct snd_dbuf *b)
{
void *buf;
buf = emu_memalloc(sc, sz);
if (buf == NULL)
return -1;
if (b != NULL)
sndbuf_setup(b, buf, sz);
m->start = emu_memstart(sc, buf) * EMUPAGESIZE;
m->end = m->start + sz;
m->channel = NULL;
m->speed = 0;
m->b16 = 0;
m->stereo = 0;
m->running = 0;
m->ismaster = 1;
m->vol = 0xff;
m->buf = vtophys(buf);
m->slave = s;
if (s != NULL) {
s->start = m->start;
s->end = m->end;
s->channel = NULL;
s->speed = 0;
s->b16 = 0;
s->stereo = 0;
s->running = 0;
s->ismaster = 0;
s->vol = m->vol;
s->buf = m->buf;
s->slave = NULL;
}
return 0;
}
static void
emu_vsetup(struct sc_pchinfo *ch)
{
struct emu_voice *v = ch->master;
if (ch->fmt) {
v->b16 = (ch->fmt & AFMT_16BIT)? 1 : 0;
v->stereo = (ch->fmt & AFMT_STEREO)? 1 : 0;
if (v->slave != NULL) {
v->slave->b16 = v->b16;
v->slave->stereo = v->stereo;
}
}
if (ch->spd) {
v->speed = ch->spd;
if (v->slave != NULL)
v->slave->speed = v->speed;
}
}
static void
emu_vwrite(struct sc_info *sc, struct emu_voice *v)
{
int s;
int l, r, x, y;
u_int32_t sa, ea, start, val, silent_page;
s = (v->stereo? 1 : 0) + (v->b16? 1 : 0);
sa = v->start >> s;
ea = v->end >> s;
l = r = x = y = v->vol;
if (v->stereo) {
l = v->ismaster? l : 0;
r = v->ismaster? 0 : r;
}
emu_wrptr(sc, v->vnum, CPF, v->stereo? CPF_STEREO_MASK : 0);
val = v->stereo? 28 : 30;
val *= v->b16? 1 : 2;
start = sa + val;
emu_wrptr(sc, v->vnum, FXRT, 0xd01c0000);
emu_wrptr(sc, v->vnum, PTRX, (x << 8) | r);
emu_wrptr(sc, v->vnum, DSL, ea | (y << 24));
emu_wrptr(sc, v->vnum, PSST, sa | (l << 24));
emu_wrptr(sc, v->vnum, CCCA, start | (v->b16? 0 : CCCA_8BITSELECT));
emu_wrptr(sc, v->vnum, Z1, 0);
emu_wrptr(sc, v->vnum, Z2, 0);
silent_page = ((u_int32_t)vtophys(sc->mem.silent_page) << 1) | MAP_PTI_MASK;
emu_wrptr(sc, v->vnum, MAPA, silent_page);
emu_wrptr(sc, v->vnum, MAPB, silent_page);
emu_wrptr(sc, v->vnum, CVCF, CVCF_CURRENTFILTER_MASK);
emu_wrptr(sc, v->vnum, VTFT, VTFT_FILTERTARGET_MASK);
emu_wrptr(sc, v->vnum, ATKHLDM, 0);
emu_wrptr(sc, v->vnum, DCYSUSM, DCYSUSM_DECAYTIME_MASK);
emu_wrptr(sc, v->vnum, LFOVAL1, 0x8000);
emu_wrptr(sc, v->vnum, LFOVAL2, 0x8000);
emu_wrptr(sc, v->vnum, FMMOD, 0);
emu_wrptr(sc, v->vnum, TREMFRQ, 0);
emu_wrptr(sc, v->vnum, FM2FRQ2, 0);
emu_wrptr(sc, v->vnum, ENVVAL, 0x8000);
emu_wrptr(sc, v->vnum, ATKHLDV, ATKHLDV_HOLDTIME_MASK | ATKHLDV_ATTACKTIME_MASK);
emu_wrptr(sc, v->vnum, ENVVOL, 0x8000);
emu_wrptr(sc, v->vnum, PEFE_FILTERAMOUNT, 0x7f);
emu_wrptr(sc, v->vnum, PEFE_PITCHAMOUNT, 0);
if (v->slave != NULL)
emu_vwrite(sc, v->slave);
}
static void
emu_vtrigger(struct sc_info *sc, struct emu_voice *v, int go)
{
u_int32_t pitch_target, initial_pitch;
u_int32_t cra, cs, ccis;
u_int32_t sample, i;
if (go) {
cra = 64;
cs = v->stereo? 4 : 2;
ccis = v->stereo? 28 : 30;
ccis *= v->b16? 1 : 2;
sample = v->b16? 0x00000000 : 0x80808080;
for (i = 0; i < cs; i++)
emu_wrptr(sc, v->vnum, CD0 + i, sample);
emu_wrptr(sc, v->vnum, CCR_CACHEINVALIDSIZE, 0);
emu_wrptr(sc, v->vnum, CCR_READADDRESS, cra);
emu_wrptr(sc, v->vnum, CCR_CACHEINVALIDSIZE, ccis);
emu_wrptr(sc, v->vnum, IFATN, 0xff00);
emu_wrptr(sc, v->vnum, VTFT, 0xffffffff);
emu_wrptr(sc, v->vnum, CVCF, 0xffffffff);
emu_wrptr(sc, v->vnum, DCYSUSV, 0x00007f7f);
emu_enastop(sc, v->vnum, 0);
pitch_target = emu_rate_to_linearpitch(v->speed);
initial_pitch = emu_rate_to_pitch(v->speed) >> 8;
emu_wrptr(sc, v->vnum, PTRX_PITCHTARGET, pitch_target);
emu_wrptr(sc, v->vnum, CPF_CURRENTPITCH, pitch_target);
emu_wrptr(sc, v->vnum, IP, initial_pitch);
} else {
emu_wrptr(sc, v->vnum, PTRX_PITCHTARGET, 0);
emu_wrptr(sc, v->vnum, CPF_CURRENTPITCH, 0);
emu_wrptr(sc, v->vnum, IFATN, 0xffff);
emu_wrptr(sc, v->vnum, VTFT, 0x0000ffff);
emu_wrptr(sc, v->vnum, CVCF, 0x0000ffff);
emu_wrptr(sc, v->vnum, IP, 0);
emu_enastop(sc, v->vnum, 1);
}
if (v->slave != NULL)
emu_vtrigger(sc, v->slave, go);
}
static int
emu_vpos(struct sc_info *sc, struct emu_voice *v)
{
int s, ptr;
s = (v->b16? 1 : 0) + (v->stereo? 1 : 0);
ptr = (emu_rdptr(sc, v->vnum, CCCA_CURRADDR) - (v->start >> s)) << s;
return ptr & ~0x0000001f;
}
#ifdef EMUDEBUG
static void
emu_vdump(struct sc_info *sc, struct emu_voice *v)
{
char *regname[] = { "cpf", "ptrx", "cvcf", "vtft", "z2", "z1", "psst", "dsl",
"ccca", "ccr", "clp", "fxrt", "mapa", "mapb", NULL, NULL,
"envvol", "atkhldv", "dcysusv", "lfoval1",
"envval", "atkhldm", "dcysusm", "lfoval2",
"ip", "ifatn", "pefe", "fmmod", "tremfrq", "fmfrq2",
"tempenv" };
int i, x;
printf("voice number %d\n", v->vnum);
for (i = 0, x = 0; i <= 0x1e; i++) {
if (regname[i] == NULL)
continue;
printf("%s\t[%08x]", regname[i], emu_rdptr(sc, v->vnum, i));
printf("%s", (x == 2)? "\n" : "\t");
x++;
if (x > 2)
x = 0;
}
printf("\n\n");
}
#endif
/* channel interface */
static void *
emupchan_init(kobj_t obj, void *devinfo, struct snd_dbuf *b, struct pcm_channel *c, int dir)
{
struct sc_info *sc = devinfo;
struct sc_pchinfo *ch;
void *r;
KASSERT(dir == PCMDIR_PLAY, ("emupchan_init: bad direction"));
ch = &sc->pch[sc->pnum++];
ch->buffer = b;
ch->parent = sc;
ch->channel = c;
ch->blksz = sc->bufsz / 2;
ch->fmt = AFMT_U8;
ch->spd = 8000;
snd_mtxlock(sc->lock);
ch->master = emu_valloc(sc);
ch->slave = emu_valloc(sc);
r = (emu_vinit(sc, ch->master, ch->slave, sc->bufsz, ch->buffer))? NULL : ch;
snd_mtxunlock(sc->lock);
return r;
}
static int
emupchan_free(kobj_t obj, void *data)
{
struct sc_pchinfo *ch = data;
struct sc_info *sc = ch->parent;
int r;
snd_mtxlock(sc->lock);
r = emu_memfree(sc, sndbuf_getbuf(ch->buffer));
snd_mtxunlock(sc->lock);
return r;
}
static int
emupchan_setformat(kobj_t obj, void *data, u_int32_t format)
{
struct sc_pchinfo *ch = data;
ch->fmt = format;
return 0;
}
static int
emupchan_setspeed(kobj_t obj, void *data, u_int32_t speed)
{
struct sc_pchinfo *ch = data;
ch->spd = speed;
return ch->spd;
}
static int
emupchan_setblocksize(kobj_t obj, void *data, u_int32_t blocksize)
{
struct sc_pchinfo *ch = data;
struct sc_info *sc = ch->parent;
int irqrate, blksz;
ch->blksz = blocksize;
snd_mtxlock(sc->lock);
emu_settimer(sc);
irqrate = 48000 / sc->timerinterval;
snd_mtxunlock(sc->lock);
blksz = (ch->spd * sndbuf_getbps(ch->buffer)) / irqrate;
return blocksize;
}
static int
emupchan_trigger(kobj_t obj, void *data, int go)
{
struct sc_pchinfo *ch = data;
struct sc_info *sc = ch->parent;
if (go == PCMTRIG_EMLDMAWR || go == PCMTRIG_EMLDMARD)
return 0;
snd_mtxlock(sc->lock);
if (go == PCMTRIG_START) {
emu_vsetup(ch);
emu_vwrite(sc, ch->master);
emu_settimer(sc);
emu_enatimer(sc, 1);
#ifdef EMUDEBUG
printf("start [%d bit, %s, %d hz]\n",
ch->master->b16? 16 : 8,
ch->master->stereo? "stereo" : "mono",
ch->master->speed);
emu_vdump(sc, ch->master);
emu_vdump(sc, ch->slave);
#endif
}
ch->run = (go == PCMTRIG_START)? 1 : 0;
emu_vtrigger(sc, ch->master, ch->run);
snd_mtxunlock(sc->lock);
return 0;
}
static int
emupchan_getptr(kobj_t obj, void *data)
{
struct sc_pchinfo *ch = data;
struct sc_info *sc = ch->parent;
int r;
snd_mtxlock(sc->lock);
r = emu_vpos(sc, ch->master);
snd_mtxunlock(sc->lock);
return r;
}
static struct pcmchan_caps *
emupchan_getcaps(kobj_t obj, void *data)
{
return &emu_playcaps;
}
static kobj_method_t emupchan_methods[] = {
KOBJMETHOD(channel_init, emupchan_init),
KOBJMETHOD(channel_free, emupchan_free),
KOBJMETHOD(channel_setformat, emupchan_setformat),
KOBJMETHOD(channel_setspeed, emupchan_setspeed),
KOBJMETHOD(channel_setblocksize, emupchan_setblocksize),
KOBJMETHOD(channel_trigger, emupchan_trigger),
KOBJMETHOD(channel_getptr, emupchan_getptr),
KOBJMETHOD(channel_getcaps, emupchan_getcaps),
{ 0, 0 }
};
CHANNEL_DECLARE(emupchan);
/* channel interface */
static void *
emurchan_init(kobj_t obj, void *devinfo, struct snd_dbuf *b, struct pcm_channel *c, int dir)
{
struct sc_info *sc = devinfo;
struct sc_rchinfo *ch;
KASSERT(dir == PCMDIR_REC, ("emurchan_init: bad direction"));
ch = &sc->rch[sc->rnum];
ch->buffer = b;
ch->parent = sc;
ch->channel = c;
ch->blksz = sc->bufsz / 2;
ch->fmt = AFMT_U8;
ch->spd = 8000;
ch->num = sc->rnum;
switch(sc->rnum) {
case 0:
ch->idxreg = ADCIDX;
ch->basereg = ADCBA;
ch->sizereg = ADCBS;
ch->setupreg = ADCCR;
ch->irqmask = INTE_ADCBUFENABLE;
break;
case 1:
ch->idxreg = FXIDX;
ch->basereg = FXBA;
ch->sizereg = FXBS;
ch->setupreg = FXWC;
ch->irqmask = INTE_EFXBUFENABLE;
break;
case 2:
ch->idxreg = MICIDX;
ch->basereg = MICBA;
ch->sizereg = MICBS;
ch->setupreg = 0;
ch->irqmask = INTE_MICBUFENABLE;
break;
}
sc->rnum++;
if (sndbuf_alloc(ch->buffer, sc->parent_dmat, sc->bufsz) == -1)
return NULL;
else {
snd_mtxlock(sc->lock);
emu_wrptr(sc, 0, ch->basereg, vtophys(sndbuf_getbuf(ch->buffer)));
emu_wrptr(sc, 0, ch->sizereg, 0); /* off */
snd_mtxunlock(sc->lock);
return ch;
}
}
static int
emurchan_setformat(kobj_t obj, void *data, u_int32_t format)
{
struct sc_rchinfo *ch = data;
ch->fmt = format;
return 0;
}
static int
emurchan_setspeed(kobj_t obj, void *data, u_int32_t speed)
{
struct sc_rchinfo *ch = data;
if (ch->num == 0)
speed = adcspeed[emu_recval(speed)];
if (ch->num == 1)
speed = 48000;
if (ch->num == 2)
speed = 8000;
ch->spd = speed;
return ch->spd;
}
static int
emurchan_setblocksize(kobj_t obj, void *data, u_int32_t blocksize)
{
struct sc_rchinfo *ch = data;
struct sc_info *sc = ch->parent;
int irqrate, blksz;
ch->blksz = blocksize;
snd_mtxlock(sc->lock);
emu_settimer(sc);
irqrate = 48000 / sc->timerinterval;
snd_mtxunlock(sc->lock);
blksz = (ch->spd * sndbuf_getbps(ch->buffer)) / irqrate;
return blocksize;
}
/* semantic note: must start at beginning of buffer */
static int
emurchan_trigger(kobj_t obj, void *data, int go)
{
struct sc_rchinfo *ch = data;
struct sc_info *sc = ch->parent;
u_int32_t val, sz;
switch(sc->bufsz) {
case 4096:
sz = ADCBS_BUFSIZE_4096;
break;
case 8192:
sz = ADCBS_BUFSIZE_8192;
break;
case 16384:
sz = ADCBS_BUFSIZE_16384;
break;
case 32768:
sz = ADCBS_BUFSIZE_32768;
break;
case 65536:
sz = ADCBS_BUFSIZE_65536;
break;
default:
sz = ADCBS_BUFSIZE_4096;
}
snd_mtxlock(sc->lock);
switch(go) {
case PCMTRIG_START:
ch->run = 1;
emu_wrptr(sc, 0, ch->sizereg, sz);
if (ch->num == 0) {
val = ADCCR_LCHANENABLE;
if (ch->fmt & AFMT_STEREO)
val |= ADCCR_RCHANENABLE;
val |= emu_recval(ch->spd);
emu_wrptr(sc, 0, ch->setupreg, 0);
emu_wrptr(sc, 0, ch->setupreg, val);
}
val = emu_rd(sc, INTE, 4);
val |= ch->irqmask;
emu_wr(sc, INTE, val, 4);
break;
case PCMTRIG_STOP:
case PCMTRIG_ABORT:
ch->run = 0;
emu_wrptr(sc, 0, ch->sizereg, 0);
if (ch->setupreg)
emu_wrptr(sc, 0, ch->setupreg, 0);
val = emu_rd(sc, INTE, 4);
val &= ~ch->irqmask;
emu_wr(sc, INTE, val, 4);
break;
case PCMTRIG_EMLDMAWR:
case PCMTRIG_EMLDMARD:
default:
break;
}
snd_mtxunlock(sc->lock);
return 0;
}
static int
emurchan_getptr(kobj_t obj, void *data)
{
struct sc_rchinfo *ch = data;
struct sc_info *sc = ch->parent;
int r;
snd_mtxlock(sc->lock);
r = emu_rdptr(sc, 0, ch->idxreg) & 0x0000ffff;
snd_mtxunlock(sc->lock);
return r;
}
static struct pcmchan_caps *
emurchan_getcaps(kobj_t obj, void *data)
{
struct sc_rchinfo *ch = data;
return &emu_reccaps[ch->num];
}
static kobj_method_t emurchan_methods[] = {
KOBJMETHOD(channel_init, emurchan_init),
KOBJMETHOD(channel_setformat, emurchan_setformat),
KOBJMETHOD(channel_setspeed, emurchan_setspeed),
KOBJMETHOD(channel_setblocksize, emurchan_setblocksize),
KOBJMETHOD(channel_trigger, emurchan_trigger),
KOBJMETHOD(channel_getptr, emurchan_getptr),
KOBJMETHOD(channel_getcaps, emurchan_getcaps),
{ 0, 0 }
};
CHANNEL_DECLARE(emurchan);
/* -------------------------------------------------------------------- */
/* The interrupt handler */
static void
emu_intr(void *p)
{
struct sc_info *sc = (struct sc_info *)p;
u_int32_t stat, ack, i, x;
while (1) {
stat = emu_rd(sc, IPR, 4);
if (stat == 0)
break;
ack = 0;
/* process irq */
if (stat & IPR_INTERVALTIMER) {
ack |= IPR_INTERVALTIMER;
x = 0;
for (i = 0; i < EMU_CHANS; i++) {
if (sc->pch[i].run) {
x = 1;
chn_intr(sc->pch[i].channel);
}
}
if (x == 0)
emu_enatimer(sc, 0);
}
if (stat & (IPR_ADCBUFFULL | IPR_ADCBUFHALFFULL)) {
ack |= stat & (IPR_ADCBUFFULL | IPR_ADCBUFHALFFULL);
if (sc->rch[0].channel)
chn_intr(sc->rch[0].channel);
}
if (stat & (IPR_EFXBUFFULL | IPR_EFXBUFHALFFULL)) {
ack |= stat & (IPR_EFXBUFFULL | IPR_EFXBUFHALFFULL);
if (sc->rch[1].channel)
chn_intr(sc->rch[1].channel);
}
if (stat & (IPR_MICBUFFULL | IPR_MICBUFHALFFULL)) {
ack |= stat & (IPR_MICBUFFULL | IPR_MICBUFHALFFULL);
if (sc->rch[2].channel)
chn_intr(sc->rch[2].channel);
}
if (stat & IPR_PCIERROR) {
ack |= IPR_PCIERROR;
device_printf(sc->dev, "pci error\n");
/* we still get an nmi with ecc ram even if we ack this */
}
if (stat & IPR_SAMPLERATETRACKER) {
ack |= IPR_SAMPLERATETRACKER;
/* device_printf(sc->dev, "sample rate tracker lock status change\n"); */
}
if (stat & ~ack)
device_printf(sc->dev, "dodgy irq: %x (harmless)\n", stat & ~ack);
emu_wr(sc, IPR, stat, 4);
}
}
/* -------------------------------------------------------------------- */
static void
emu_setmap(void *arg, bus_dma_segment_t *segs, int nseg, int error)
{
void **phys = arg;
*phys = error? 0 : (void *)segs->ds_addr;
if (bootverbose) {
printf("emu: setmap (%lx, %lx), nseg=%d, error=%d\n",
(unsigned long)segs->ds_addr, (unsigned long)segs->ds_len,
nseg, error);
}
}
static void *
emu_malloc(struct sc_info *sc, u_int32_t sz)
{
void *buf, *phys = 0;
bus_dmamap_t map;
if (bus_dmamem_alloc(sc->parent_dmat, &buf, BUS_DMA_NOWAIT, &map))
return NULL;
if (bus_dmamap_load(sc->parent_dmat, map, buf, sz, emu_setmap, &phys, 0)
|| !phys)
return NULL;
return buf;
}
static void
emu_free(struct sc_info *sc, void *buf)
{
bus_dmamem_free(sc->parent_dmat, buf, NULL);
}
static void *
emu_memalloc(struct sc_info *sc, u_int32_t sz)
{
u_int32_t blksz, start, idx, ofs, tmp, found;
struct emu_mem *mem = &sc->mem;
struct emu_memblk *blk;
void *buf;
blksz = sz / EMUPAGESIZE;
if (sz > (blksz * EMUPAGESIZE))
blksz++;
/* find a free block in the bitmap */
found = 0;
start = 1;
while (!found && start + blksz < MAXPAGES) {
found = 1;
for (idx = start; idx < start + blksz; idx++)
if (mem->bmap[idx >> 3] & (1 << (idx & 7)))
found = 0;
if (!found)
start++;
}
if (!found)
return NULL;
blk = malloc(sizeof(*blk), M_DEVBUF, M_NOWAIT);
if (blk == NULL)
return NULL;
buf = emu_malloc(sc, sz);
if (buf == NULL) {
free(blk, M_DEVBUF);
return NULL;
}
blk->buf = buf;
blk->pte_start = start;
blk->pte_size = blksz;
/* printf("buf %p, pte_start %d, pte_size %d\n", blk->buf, blk->pte_start, blk->pte_size); */
ofs = 0;
for (idx = start; idx < start + blksz; idx++) {
mem->bmap[idx >> 3] |= 1 << (idx & 7);
tmp = (u_int32_t)vtophys((u_int8_t *)buf + ofs);
/* printf("pte[%d] -> %x phys, %x virt\n", idx, tmp, ((u_int32_t)buf) + ofs); */
mem->ptb_pages[idx] = (tmp << 1) | idx;
ofs += EMUPAGESIZE;
}
SLIST_INSERT_HEAD(&mem->blocks, blk, link);
return buf;
}
static int
emu_memfree(struct sc_info *sc, void *buf)
{
u_int32_t idx, tmp;
struct emu_mem *mem = &sc->mem;
struct emu_memblk *blk, *i;
blk = NULL;
SLIST_FOREACH(i, &mem->blocks, link) {
if (i->buf == buf)
blk = i;
}
if (blk == NULL)
return EINVAL;
SLIST_REMOVE(&mem->blocks, blk, emu_memblk, link);
emu_free(sc, buf);
tmp = (u_int32_t)vtophys(sc->mem.silent_page) << 1;
for (idx = blk->pte_start; idx < blk->pte_start + blk->pte_size; idx++) {
mem->bmap[idx >> 3] &= ~(1 << (idx & 7));
mem->ptb_pages[idx] = tmp | idx;
}
free(blk, M_DEVBUF);
return 0;
}
static int
emu_memstart(struct sc_info *sc, void *buf)
{
struct emu_mem *mem = &sc->mem;
struct emu_memblk *blk, *i;
blk = NULL;
SLIST_FOREACH(i, &mem->blocks, link) {
if (i->buf == buf)
blk = i;
}
if (blk == NULL)
return -EINVAL;
return blk->pte_start;
}
static void
emu_addefxop(struct sc_info *sc, int op, int z, int w, int x, int y, u_int32_t *pc)
{
emu_wrefx(sc, (*pc) * 2, (x << 10) | y);
emu_wrefx(sc, (*pc) * 2 + 1, (op << 20) | (z << 10) | w);
(*pc)++;
}
static void
emu_initefx(struct sc_info *sc)
{
int i;
u_int32_t pc = 16;
for (i = 0; i < 512; i++) {
emu_wrefx(sc, i * 2, 0x10040);
emu_wrefx(sc, i * 2 + 1, 0x610040);
}
for (i = 0; i < 256; i++)
emu_wrptr(sc, 0, FXGPREGBASE + i, 0);
/* FX-8010 DSP Registers:
FX Bus
0x000-0x00f : 16 registers
Input
0x010/0x011 : AC97 Codec (l/r)
0x012/0x013 : ADC, S/PDIF (l/r)
0x014/0x015 : Mic(left), Zoom (l/r)
0x016/0x017 : APS S/PDIF?? (l/r)
Output
0x020/0x021 : AC97 Output (l/r)
0x022/0x023 : TOS link out (l/r)
0x024/0x025 : ??? (l/r)
0x026/0x027 : LiveDrive Headphone (l/r)
0x028/0x029 : Rear Channel (l/r)
0x02a/0x02b : ADC Recording Buffer (l/r)
Constants
0x040 - 0x044 = 0 - 4
0x045 = 0x8, 0x046 = 0x10, 0x047 = 0x20
0x048 = 0x100, 0x049 = 0x10000, 0x04a = 0x80000
0x04b = 0x10000000, 0x04c = 0x20000000, 0x04d = 0x40000000
0x04e = 0x80000000, 0x04f = 0x7fffffff
Temporary Values
0x056 : Accumulator
0x058 : Noise source?
0x059 : Noise source?
General Purpose Registers
0x100 - 0x1ff
Tank Memory Data Registers
0x200 - 0x2ff
Tank Memory Address Registers
0x300 - 0x3ff
*/
/* Operators:
0 : z := w + (x * y >> 31)
4 : z := w + x * y
6 : z := w + x + y
*/
/* Routing - this will be configurable in later version */
/* GPR[0/1] = FX * 4 + SPDIF-in */
emu_addefxop(sc, 4, 0x100, 0x12, 0, 0x44, &pc);
emu_addefxop(sc, 4, 0x101, 0x13, 1, 0x44, &pc);
/* GPR[0/1] += APS-input */
emu_addefxop(sc, 6, 0x100, 0x100, 0x40, sc->APS ? 0x16 : 0x40, &pc);
emu_addefxop(sc, 6, 0x101, 0x101, 0x40, sc->APS ? 0x17 : 0x40, &pc);
/* FrontOut (AC97) = GPR[0/1] */
emu_addefxop(sc, 6, 0x20, 0x40, 0x40, 0x100, &pc);
emu_addefxop(sc, 6, 0x21, 0x40, 0x41, 0x101, &pc);
/* RearOut = (GPR[0/1] * RearVolume) >> 31 */
/* RearVolume = GRP[0x10/0x11] */
emu_addefxop(sc, 0, 0x28, 0x40, 0x110, 0x100, &pc);
emu_addefxop(sc, 0, 0x29, 0x40, 0x111, 0x101, &pc);
/* TOS out = GPR[0/1] */
emu_addefxop(sc, 6, 0x22, 0x40, 0x40, 0x100, &pc);
emu_addefxop(sc, 6, 0x23, 0x40, 0x40, 0x101, &pc);
/* Mute Out2 */
emu_addefxop(sc, 6, 0x24, 0x40, 0x40, 0x40, &pc);
emu_addefxop(sc, 6, 0x25, 0x40, 0x40, 0x40, &pc);
/* Mute Out3 */
emu_addefxop(sc, 6, 0x26, 0x40, 0x40, 0x40, &pc);
emu_addefxop(sc, 6, 0x27, 0x40, 0x40, 0x40, &pc);
/* Input0 (AC97) -> Record */
emu_addefxop(sc, 6, 0x2a, 0x40, 0x40, 0x10, &pc);
emu_addefxop(sc, 6, 0x2b, 0x40, 0x40, 0x11, &pc);
emu_wrptr(sc, 0, DBG, 0);
}
/* Probe and attach the card */
static int
emu_init(struct sc_info *sc)
{
u_int32_t spcs, ch, tmp, i;
/* disable audio and lock cache */
emu_wr(sc, HCFG, HCFG_LOCKSOUNDCACHE | HCFG_LOCKTANKCACHE | HCFG_MUTEBUTTONENABLE, 4);
/* reset recording buffers */
emu_wrptr(sc, 0, MICBS, ADCBS_BUFSIZE_NONE);
emu_wrptr(sc, 0, MICBA, 0);
emu_wrptr(sc, 0, FXBS, ADCBS_BUFSIZE_NONE);
emu_wrptr(sc, 0, FXBA, 0);
emu_wrptr(sc, 0, ADCBS, ADCBS_BUFSIZE_NONE);
emu_wrptr(sc, 0, ADCBA, 0);
/* disable channel interrupt */
emu_wr(sc, INTE, INTE_INTERVALTIMERENB | INTE_SAMPLERATETRACKER | INTE_PCIERRORENABLE, 4);
emu_wrptr(sc, 0, CLIEL, 0);
emu_wrptr(sc, 0, CLIEH, 0);
emu_wrptr(sc, 0, SOLEL, 0);
emu_wrptr(sc, 0, SOLEH, 0);
/* init envelope engine */
for (ch = 0; ch < NUM_G; ch++) {
emu_wrptr(sc, ch, DCYSUSV, ENV_OFF);
emu_wrptr(sc, ch, IP, 0);
emu_wrptr(sc, ch, VTFT, 0xffff);
emu_wrptr(sc, ch, CVCF, 0xffff);
emu_wrptr(sc, ch, PTRX, 0);
emu_wrptr(sc, ch, CPF, 0);
emu_wrptr(sc, ch, CCR, 0);
emu_wrptr(sc, ch, PSST, 0);
emu_wrptr(sc, ch, DSL, 0x10);
emu_wrptr(sc, ch, CCCA, 0);
emu_wrptr(sc, ch, Z1, 0);
emu_wrptr(sc, ch, Z2, 0);
emu_wrptr(sc, ch, FXRT, 0xd01c0000);
emu_wrptr(sc, ch, ATKHLDM, 0);
emu_wrptr(sc, ch, DCYSUSM, 0);
emu_wrptr(sc, ch, IFATN, 0xffff);
emu_wrptr(sc, ch, PEFE, 0);
emu_wrptr(sc, ch, FMMOD, 0);
emu_wrptr(sc, ch, TREMFRQ, 24); /* 1 Hz */
emu_wrptr(sc, ch, FM2FRQ2, 24); /* 1 Hz */
emu_wrptr(sc, ch, TEMPENV, 0);
/*** these are last so OFF prevents writing ***/
emu_wrptr(sc, ch, LFOVAL2, 0);
emu_wrptr(sc, ch, LFOVAL1, 0);
emu_wrptr(sc, ch, ATKHLDV, 0);
emu_wrptr(sc, ch, ENVVOL, 0);
emu_wrptr(sc, ch, ENVVAL, 0);
sc->voice[ch].vnum = ch;
sc->voice[ch].slave = NULL;
sc->voice[ch].busy = 0;
sc->voice[ch].ismaster = 0;
sc->voice[ch].running = 0;
sc->voice[ch].b16 = 0;
sc->voice[ch].stereo = 0;
sc->voice[ch].speed = 0;
sc->voice[ch].start = 0;
sc->voice[ch].end = 0;
sc->voice[ch].channel = NULL;
}
sc->pnum = sc->rnum = 0;
/*
* Init to 0x02109204 :
* Clock accuracy = 0 (1000ppm)
* Sample Rate = 2 (48kHz)
* Audio Channel = 1 (Left of 2)
* Source Number = 0 (Unspecified)
* Generation Status = 1 (Original for Cat Code 12)
* Cat Code = 12 (Digital Signal Mixer)
* Mode = 0 (Mode 0)
* Emphasis = 0 (None)
* CP = 1 (Copyright unasserted)
* AN = 0 (Audio data)
* P = 0 (Consumer)
*/
spcs = SPCS_CLKACCY_1000PPM | SPCS_SAMPLERATE_48 |
SPCS_CHANNELNUM_LEFT | SPCS_SOURCENUM_UNSPEC |
SPCS_GENERATIONSTATUS | 0x00001200 | 0x00000000 |
SPCS_EMPHASIS_NONE | SPCS_COPYRIGHT;
emu_wrptr(sc, 0, SPCS0, spcs);
emu_wrptr(sc, 0, SPCS1, spcs);
emu_wrptr(sc, 0, SPCS2, spcs);
emu_initefx(sc);
SLIST_INIT(&sc->mem.blocks);
sc->mem.ptb_pages = emu_malloc(sc, MAXPAGES * sizeof(u_int32_t));
if (sc->mem.ptb_pages == NULL)
return -1;
sc->mem.silent_page = emu_malloc(sc, EMUPAGESIZE);
if (sc->mem.silent_page == NULL) {
emu_free(sc, sc->mem.ptb_pages);
return -1;
}
/* Clear page with silence & setup all pointers to this page */
bzero(sc->mem.silent_page, EMUPAGESIZE);
tmp = (u_int32_t)vtophys(sc->mem.silent_page) << 1;
for (i = 0; i < MAXPAGES; i++)
sc->mem.ptb_pages[i] = tmp | i;
emu_wrptr(sc, 0, PTB, vtophys(sc->mem.ptb_pages));
emu_wrptr(sc, 0, TCB, 0); /* taken from original driver */
emu_wrptr(sc, 0, TCBS, 0); /* taken from original driver */
for (ch = 0; ch < NUM_G; ch++) {
emu_wrptr(sc, ch, MAPA, tmp | MAP_PTI_MASK);
emu_wrptr(sc, ch, MAPB, tmp | MAP_PTI_MASK);
}
/* emu_memalloc(sc, EMUPAGESIZE); */
/*
* Hokay, now enable the AUD bit
* Enable Audio = 1
* Mute Disable Audio = 0
* Lock Tank Memory = 1
* Lock Sound Memory = 0
* Auto Mute = 1
*/
tmp = HCFG_AUDIOENABLE | HCFG_LOCKTANKCACHE | HCFG_AUTOMUTE;
if (sc->rev >= 6)
tmp |= HCFG_JOYENABLE;
emu_wr(sc, HCFG, tmp, 4);
/* TOSLink detection */
sc->tos_link = 0;
tmp = emu_rd(sc, HCFG, 4);
if (tmp & (HCFG_GPINPUT0 | HCFG_GPINPUT1)) {
emu_wr(sc, HCFG, tmp | 0x800, 4);
DELAY(50);
if (tmp != (emu_rd(sc, HCFG, 4) & ~0x800)) {
sc->tos_link = 1;
emu_wr(sc, HCFG, tmp, 4);
}
}
return 0;
}
static int
emu_uninit(struct sc_info *sc)
{
u_int32_t ch;
emu_wr(sc, INTE, 0, 4);
for (ch = 0; ch < NUM_G; ch++)
emu_wrptr(sc, ch, DCYSUSV, ENV_OFF);
for (ch = 0; ch < NUM_G; ch++) {
emu_wrptr(sc, ch, VTFT, 0);
emu_wrptr(sc, ch, CVCF, 0);
emu_wrptr(sc, ch, PTRX, 0);
emu_wrptr(sc, ch, CPF, 0);
}
/* disable audio and lock cache */
emu_wr(sc, HCFG, HCFG_LOCKSOUNDCACHE | HCFG_LOCKTANKCACHE | HCFG_MUTEBUTTONENABLE, 4);
emu_wrptr(sc, 0, PTB, 0);
/* reset recording buffers */
emu_wrptr(sc, 0, MICBS, ADCBS_BUFSIZE_NONE);
emu_wrptr(sc, 0, MICBA, 0);
emu_wrptr(sc, 0, FXBS, ADCBS_BUFSIZE_NONE);
emu_wrptr(sc, 0, FXBA, 0);
emu_wrptr(sc, 0, FXWC, 0);
emu_wrptr(sc, 0, ADCBS, ADCBS_BUFSIZE_NONE);
emu_wrptr(sc, 0, ADCBA, 0);
emu_wrptr(sc, 0, TCB, 0);
emu_wrptr(sc, 0, TCBS, 0);
/* disable channel interrupt */
emu_wrptr(sc, 0, CLIEL, 0);
emu_wrptr(sc, 0, CLIEH, 0);
emu_wrptr(sc, 0, SOLEL, 0);
emu_wrptr(sc, 0, SOLEH, 0);
/* init envelope engine */
if (!SLIST_EMPTY(&sc->mem.blocks))
device_printf(sc->dev, "warning: memblock list not empty\n");
emu_free(sc, sc->mem.ptb_pages);
emu_free(sc, sc->mem.silent_page);
return 0;
}
static int
emu_pci_probe(device_t dev)
{
char *s = NULL;
switch (pci_get_devid(dev)) {
case EMU10K1_PCI_ID:
s = "Creative EMU10K1";
break;
/*
case EMU10K2_PCI_ID:
s = "Creative EMU10K2";
break;
*/
default:
return ENXIO;
}
device_set_desc(dev, s);
return 0;
}
static int
emu_pci_attach(device_t dev)
{
struct ac97_info *codec = NULL;
struct sc_info *sc;
u_int32_t data;
int i, gotmic;
char status[SND_STATUSLEN];
if ((sc = malloc(sizeof(*sc), M_DEVBUF, M_WAITOK | M_ZERO)) == NULL) {
device_printf(dev, "cannot allocate softc\n");
return ENXIO;
}
sc->lock = snd_mtxcreate(device_get_nameunit(dev), "sound softc");
sc->dev = dev;
sc->type = pci_get_devid(dev);
sc->rev = pci_get_revid(dev);
data = pci_read_config(dev, PCIR_COMMAND, 2);
data |= (PCIM_CMD_PORTEN | PCIM_CMD_BUSMASTEREN);
pci_write_config(dev, PCIR_COMMAND, data, 2);
data = pci_read_config(dev, PCIR_COMMAND, 2);
i = PCIR_MAPS;
sc->reg = bus_alloc_resource(dev, SYS_RES_IOPORT, &i, 0, ~0, 1, RF_ACTIVE);
if (sc->reg == NULL) {
device_printf(dev, "unable to map register space\n");
goto bad;
}
sc->st = rman_get_bustag(sc->reg);
sc->sh = rman_get_bushandle(sc->reg);
sc->bufsz = pcm_getbuffersize(dev, 4096, EMU_DEFAULT_BUFSZ, 65536);
if (bus_dma_tag_create(/*parent*/NULL, /*alignment*/2, /*boundary*/0,
/*lowaddr*/1 << 31, /* can only access 0-2gb */
/*highaddr*/BUS_SPACE_MAXADDR,
/*filter*/NULL, /*filterarg*/NULL,
/*maxsize*/sc->bufsz, /*nsegments*/1, /*maxsegz*/0x3ffff,
/*flags*/0, &sc->parent_dmat) != 0) {
device_printf(dev, "unable to create dma tag\n");
goto bad;
}
if (emu_init(sc) == -1) {
device_printf(dev, "unable to initialize the card\n");
goto bad;
}
codec = AC97_CREATE(dev, sc, emu_ac97);
if (codec == NULL) goto bad;
gotmic = (ac97_getcaps(codec) & AC97_CAP_MICCHANNEL)? 1 : 0;
if (mixer_init(dev, ac97_getmixerclass(), codec) == -1) goto bad;
i = 0;
sc->irq = bus_alloc_resource(dev, SYS_RES_IRQ, &i, 0, ~0, 1, RF_ACTIVE | RF_SHAREABLE);
if (!sc->irq || snd_setup_intr(dev, sc->irq, INTR_MPSAFE, emu_intr, sc, &sc->ih)) {
device_printf(dev, "unable to map interrupt\n");
goto bad;
}
snprintf(status, SND_STATUSLEN, "at io 0x%lx irq %ld", rman_get_start(sc->reg), rman_get_start(sc->irq));
if (pcm_register(dev, sc, EMU_CHANS, gotmic? 3 : 2)) goto bad;
for (i = 0; i < EMU_CHANS; i++)
pcm_addchan(dev, PCMDIR_PLAY, &emupchan_class, sc);
for (i = 0; i < (gotmic? 3 : 2); i++)
pcm_addchan(dev, PCMDIR_REC, &emurchan_class, sc);
pcm_setstatus(dev, status);
return 0;
bad:
if (codec) ac97_destroy(codec);
if (sc->reg) bus_release_resource(dev, SYS_RES_IOPORT, PCIR_MAPS, sc->reg);
if (sc->ih) bus_teardown_intr(dev, sc->irq, sc->ih);
if (sc->irq) bus_release_resource(dev, SYS_RES_IRQ, 0, sc->irq);
if (sc->parent_dmat) bus_dma_tag_destroy(sc->parent_dmat);
if (sc->lock) snd_mtxfree(sc->lock);
free(sc, M_DEVBUF);
return ENXIO;
}
static int
emu_pci_detach(device_t dev)
{
int r;
struct sc_info *sc;
r = pcm_unregister(dev);
if (r)
return r;
sc = pcm_getdevinfo(dev);
/* shutdown chip */
emu_uninit(sc);
bus_release_resource(dev, SYS_RES_IOPORT, PCIR_MAPS, sc->reg);
bus_teardown_intr(dev, sc->irq, sc->ih);
bus_release_resource(dev, SYS_RES_IRQ, 0, sc->irq);
bus_dma_tag_destroy(sc->parent_dmat);
snd_mtxfree(sc->lock);
free(sc, M_DEVBUF);
return 0;
}
/* add suspend, resume */
static device_method_t emu_methods[] = {
/* Device interface */
DEVMETHOD(device_probe, emu_pci_probe),
DEVMETHOD(device_attach, emu_pci_attach),
DEVMETHOD(device_detach, emu_pci_detach),
{ 0, 0 }
};
static driver_t emu_driver = {
"pcm",
emu_methods,
PCM_SOFTC_SIZE,
};
DRIVER_MODULE(snd_emu10k1, pci, emu_driver, pcm_devclass, 0, 0);
MODULE_DEPEND(snd_emu10k1, snd_pcm, PCM_MINVER, PCM_PREFVER, PCM_MAXVER);
MODULE_VERSION(snd_emu10k1, 1);
/* dummy driver to silence the joystick device */
static int
emujoy_pci_probe(device_t dev)
{
char *s = NULL;
switch (pci_get_devid(dev)) {
case 0x70021102:
s = "Creative EMU10K1 Joystick";
device_quiet(dev);
break;
case 0x70031102:
s = "Creative EMU10K2 Joystick";
device_quiet(dev);
break;
}
if (s) device_set_desc(dev, s);
return s? -1000 : ENXIO;
}
static int
emujoy_pci_attach(device_t dev)
{
return 0;
}
static int
emujoy_pci_detach(device_t dev)
{
return 0;
}
static device_method_t emujoy_methods[] = {
DEVMETHOD(device_probe, emujoy_pci_probe),
DEVMETHOD(device_attach, emujoy_pci_attach),
DEVMETHOD(device_detach, emujoy_pci_detach),
{ 0, 0 }
};
static driver_t emujoy_driver = {
"emujoy",
emujoy_methods,
8,
};
static devclass_t emujoy_devclass;
DRIVER_MODULE(emujoy, pci, emujoy_driver, emujoy_devclass, 0, 0);
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