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freebsd-skq/sys/dev/sound/pci/vibes.c

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/*-
* Copyright (c) 2001 Orion Hodson <O.Hodson@cs.ucl.ac.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, 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.
*
* This card has the annoying habit of "clicking" when attached and
* detached, haven't been able to remedy this with any combination of
* muting.
*/
#include <dev/sound/pcm/sound.h>
#include <dev/sound/pci/vibes.h>
#include <dev/pci/pcireg.h>
#include <dev/pci/pcivar.h>
#include "mixer_if.h"
SND_DECLARE_FILE("$FreeBSD$");
/* ------------------------------------------------------------------------- */
/* Constants */
#define SV_PCI_ID 0xca005333
#define SV_DEFAULT_BUFSZ 16384
#define SV_MIN_BLKSZ 128
#define SV_INTR_PER_BUFFER 2
#ifndef DEB
#define DEB(x) /* (x) */
#endif
/* ------------------------------------------------------------------------- */
/* Structures */
struct sc_info;
struct sc_chinfo {
struct sc_info *parent;
struct pcm_channel *channel;
struct snd_dbuf *buffer;
u_int32_t fmt, spd;
int dir;
int dma_active, dma_was_active;
};
struct sc_info {
device_t dev;
/* DMA buffer allocator */
bus_dma_tag_t parent_dmat;
/* Enhanced register resources */
struct resource *enh_reg;
bus_space_tag_t enh_st;
bus_space_handle_t enh_sh;
int enh_type;
int enh_rid;
/* DMA configuration */
struct resource *dmaa_reg, *dmac_reg;
bus_space_tag_t dmaa_st, dmac_st;
bus_space_handle_t dmaa_sh, dmac_sh;
int dmaa_type, dmac_type;
int dmaa_rid, dmac_rid;
/* Interrupt resources */
struct resource *irq;
int irqid;
void *ih;
/* User configurable buffer size */
unsigned int bufsz;
struct sc_chinfo rch, pch;
u_int8_t rev;
};
static u_int32_t sc_fmt[] = {
AFMT_U8,
AFMT_U8 | AFMT_STEREO,
AFMT_S16_LE,
AFMT_S16_LE | AFMT_STEREO,
0
};
static struct pcmchan_caps sc_caps = {8000, 48000, sc_fmt, 0};
/* ------------------------------------------------------------------------- */
/* Register Manipulations */
#define sv_direct_set(x, y, z) _sv_direct_set(x, y, z, __LINE__)
static u_int8_t
sv_direct_get(struct sc_info *sc, u_int8_t reg)
{
return bus_space_read_1(sc->enh_st, sc->enh_sh, reg);
}
static void
_sv_direct_set(struct sc_info *sc, u_int8_t reg, u_int8_t val, int line)
{
u_int8_t n;
bus_space_write_1(sc->enh_st, sc->enh_sh, reg, val);
n = sv_direct_get(sc, reg);
if (n != val) {
device_printf(sc->dev, "sv_direct_set register 0x%02x %d != %d from line %d\n", reg, n, val, line);
}
}
static u_int8_t
sv_indirect_get(struct sc_info *sc, u_int8_t reg)
{
if (reg == SV_REG_FORMAT || reg == SV_REG_ANALOG_PWR)
reg |= SV_CM_INDEX_MCE;
bus_space_write_1(sc->enh_st, sc->enh_sh, SV_CM_INDEX, reg);
return bus_space_read_1(sc->enh_st, sc->enh_sh, SV_CM_DATA);
}
#define sv_indirect_set(x, y, z) _sv_indirect_set(x, y, z, __LINE__)
static void
_sv_indirect_set(struct sc_info *sc, u_int8_t reg, u_int8_t val, int line)
{
if (reg == SV_REG_FORMAT || reg == SV_REG_ANALOG_PWR)
reg |= SV_CM_INDEX_MCE;
bus_space_write_1(sc->enh_st, sc->enh_sh, SV_CM_INDEX, reg);
bus_space_write_1(sc->enh_st, sc->enh_sh, SV_CM_DATA, val);
reg &= ~SV_CM_INDEX_MCE;
if (reg != SV_REG_ADC_PLLM) {
u_int8_t n;
n = sv_indirect_get(sc, reg);
if (n != val) {
device_printf(sc->dev, "sv_indirect_set register 0x%02x %d != %d line %d\n", reg, n, val, line);
}
}
}
static void
sv_dma_set_config(bus_space_tag_t st, bus_space_handle_t sh,
u_int32_t base, u_int32_t count, u_int8_t mode)
{
bus_space_write_4(st, sh, SV_DMA_ADDR, base);
bus_space_write_4(st, sh, SV_DMA_COUNT, count & 0xffffff);
bus_space_write_1(st, sh, SV_DMA_MODE, mode);
DEB(printf("base 0x%08x count %5d mode 0x%02x\n",
base, count, mode));
}
static u_int32_t
sv_dma_get_count(bus_space_tag_t st, bus_space_handle_t sh)
{
return bus_space_read_4(st, sh, SV_DMA_COUNT) & 0xffffff;
}
/* ------------------------------------------------------------------------- */
/* Play / Record Common Interface */
static void *
svchan_init(kobj_t obj, void *devinfo, struct snd_dbuf *b, struct pcm_channel *c, int dir)
{
struct sc_info *sc = devinfo;
struct sc_chinfo *ch;
ch = (dir == PCMDIR_PLAY) ? &sc->pch : &sc->rch;
ch->parent = sc;
ch->channel = c;
ch->dir = dir;
if (sndbuf_alloc(b, sc->parent_dmat, sc->bufsz) != 0) {
DEB(printf("svchan_init failed\n"));
return NULL;
}
ch->buffer = b;
ch->fmt = AFMT_U8;
ch->spd = DSP_DEFAULT_SPEED;
ch->dma_active = ch->dma_was_active = 0;
return ch;
}
static struct pcmchan_caps *
svchan_getcaps(kobj_t obj, void *data)
{
return &sc_caps;
}
static int
svchan_setblocksize(kobj_t obj, void *data, u_int32_t blocksize)
{
struct sc_chinfo *ch = data;
struct sc_info *sc = ch->parent;
/* user has requested interrupts every blocksize bytes */
RANGE(blocksize, SV_MIN_BLKSZ, sc->bufsz / SV_INTR_PER_BUFFER);
sndbuf_resize(ch->buffer, SV_INTR_PER_BUFFER, blocksize);
DEB(printf("svchan_setblocksize: %d\n", blocksize));
return blocksize;
}
static int
svchan_setformat(kobj_t obj, void *data, u_int32_t format)
{
struct sc_chinfo *ch = data;
/* NB Just note format here as setting format register
* generates noise if dma channel is inactive. */
ch->fmt = (format & AFMT_STEREO) ? SV_AFMT_STEREO : SV_AFMT_MONO;
ch->fmt |= (format & AFMT_16BIT) ? SV_AFMT_S16 : SV_AFMT_U8;
return 0;
}
static int
svchan_setspeed(kobj_t obj, void *data, u_int32_t speed)
{
struct sc_chinfo *ch = data;
RANGE(speed, 8000, 48000);
ch->spd = speed;
return speed;
}
/* ------------------------------------------------------------------------- */
/* Recording interface */
static int
sv_set_recspeed(struct sc_info *sc, u_int32_t speed)
{
u_int32_t f_out, f_actual;
u_int32_t rs, re, r, best_r = 0, r2, t, n, best_n = 0;
int32_t m, best_m = 0, ms, me, err, min_err;
/* This algorithm is a variant described in sonicvibes.pdf
* appendix A. This search is marginally more extensive and
* results in (nominally) better sample rate matching. */
f_out = SV_F_SCALE * speed;
min_err = 0x7fffffff;
/* Find bounds of r to examine, rs <= r <= re */
t = 80000000 / f_out;
for (rs = 1; (1 << rs) < t; rs++);
t = 150000000 / f_out;
for (re = 1; (2 << re) < t; re++);
if (re > 7) re = 7;
/* Search over r, n, m */
for (r = rs; r <= re; r++) {
r2 = (1 << r);
for (n = 3; n < 34; n++) {
m = f_out * n / (SV_F_REF / r2);
ms = (m > 3) ? (m - 1) : 3;
me = (m < 129) ? (m + 1) : 129;
for (m = ms; m <= me; m++) {
f_actual = m * SV_F_REF / (n * r2);
if (f_actual > f_out) {
err = f_actual - f_out;
} else {
err = f_out - f_actual;
}
if (err < min_err) {
best_r = r;
best_m = m - 2;
best_n = n - 2;
min_err = err;
if (err == 0) break;
}
}
}
}
sv_indirect_set(sc, SV_REG_ADC_PLLM, best_m);
sv_indirect_set(sc, SV_REG_ADC_PLLN,
SV_ADC_PLLN(best_n) | SV_ADC_PLLR(best_r));
DEB(printf("svrchan_setspeed: %d -> PLLM 0x%02x PLLNR 0x%08x\n",
speed,
sv_indirect_get(sc, SV_REG_ADC_PLLM),
sv_indirect_get(sc, SV_REG_ADC_PLLN)));
return 0;
}
static int
svrchan_trigger(kobj_t obj, void *data, int go)
{
struct sc_chinfo *ch = data;
struct sc_info *sc = ch->parent;
u_int32_t count, enable;
u_int8_t v;
switch(go) {
case PCMTRIG_START:
/* Set speed */
sv_set_recspeed(sc, ch->spd);
/* Set format */
v = sv_indirect_get(sc, SV_REG_FORMAT) & ~SV_AFMT_DMAC_MSK;
v |= SV_AFMT_DMAC(ch->fmt);
sv_indirect_set(sc, SV_REG_FORMAT, v);
/* Program DMA */
count = sndbuf_getsize(ch->buffer) / 2; /* DMAC uses words */
sv_dma_set_config(sc->dmac_st, sc->dmac_sh,
sndbuf_getbufaddr(ch->buffer),
count - 1,
SV_DMA_MODE_AUTO | SV_DMA_MODE_RD);
count = count / SV_INTR_PER_BUFFER - 1;
sv_indirect_set(sc, SV_REG_DMAC_COUNT_HI, count >> 8);
sv_indirect_set(sc, SV_REG_DMAC_COUNT_LO, count & 0xff);
/* Enable DMA */
enable = sv_indirect_get(sc, SV_REG_ENABLE) | SV_RECORD_ENABLE;
sv_indirect_set(sc, SV_REG_ENABLE, enable);
ch->dma_active = 1;
break;
case PCMTRIG_ABORT:
enable = sv_indirect_get(sc, SV_REG_ENABLE) & ~SV_RECORD_ENABLE;
sv_indirect_set(sc, SV_REG_ENABLE, enable);
ch->dma_active = 0;
break;
}
return 0;
}
static int
svrchan_getptr(kobj_t obj, void *data)
{
struct sc_chinfo *ch = data;
struct sc_info *sc = ch->parent;
u_int32_t sz, remain;
sz = sndbuf_getsize(ch->buffer);
/* DMAC uses words */
remain = (sv_dma_get_count(sc->dmac_st, sc->dmac_sh) + 1) * 2;
return sz - remain;
}
static kobj_method_t svrchan_methods[] = {
KOBJMETHOD(channel_init, svchan_init),
KOBJMETHOD(channel_setformat, svchan_setformat),
KOBJMETHOD(channel_setspeed, svchan_setspeed),
KOBJMETHOD(channel_setblocksize, svchan_setblocksize),
KOBJMETHOD(channel_trigger, svrchan_trigger),
KOBJMETHOD(channel_getptr, svrchan_getptr),
KOBJMETHOD(channel_getcaps, svchan_getcaps),
{ 0, 0 }
};
CHANNEL_DECLARE(svrchan);
/* ------------------------------------------------------------------------- */
/* Playback interface */
static int
svpchan_trigger(kobj_t obj, void *data, int go)
{
struct sc_chinfo *ch = data;
struct sc_info *sc = ch->parent;
u_int32_t count, enable, speed;
u_int8_t v;
switch(go) {
case PCMTRIG_START:
/* Set speed */
speed = (ch->spd * 65536) / 48000;
if (speed > 65535)
speed = 65535;
sv_indirect_set(sc, SV_REG_PCM_SAMPLING_HI, speed >> 8);
sv_indirect_set(sc, SV_REG_PCM_SAMPLING_LO, speed & 0xff);
/* Set format */
v = sv_indirect_get(sc, SV_REG_FORMAT) & ~SV_AFMT_DMAA_MSK;
v |= SV_AFMT_DMAA(ch->fmt);
sv_indirect_set(sc, SV_REG_FORMAT, v);
/* Program DMA */
count = sndbuf_getsize(ch->buffer);
sv_dma_set_config(sc->dmaa_st, sc->dmaa_sh,
sndbuf_getbufaddr(ch->buffer),
count - 1,
SV_DMA_MODE_AUTO | SV_DMA_MODE_WR);
count = count / SV_INTR_PER_BUFFER - 1;
sv_indirect_set(sc, SV_REG_DMAA_COUNT_HI, count >> 8);
sv_indirect_set(sc, SV_REG_DMAA_COUNT_LO, count & 0xff);
/* Enable DMA */
enable = sv_indirect_get(sc, SV_REG_ENABLE);
enable = (enable | SV_PLAY_ENABLE) & ~SV_PLAYBACK_PAUSE;
sv_indirect_set(sc, SV_REG_ENABLE, enable);
ch->dma_active = 1;
break;
case PCMTRIG_ABORT:
enable = sv_indirect_get(sc, SV_REG_ENABLE) & ~SV_PLAY_ENABLE;
sv_indirect_set(sc, SV_REG_ENABLE, enable);
ch->dma_active = 0;
break;
}
return 0;
}
static int
svpchan_getptr(kobj_t obj, void *data)
{
struct sc_chinfo *ch = data;
struct sc_info *sc = ch->parent;
u_int32_t sz, remain;
sz = sndbuf_getsize(ch->buffer);
/* DMAA uses bytes */
remain = sv_dma_get_count(sc->dmaa_st, sc->dmaa_sh) + 1;
return (sz - remain);
}
static kobj_method_t svpchan_methods[] = {
KOBJMETHOD(channel_init, svchan_init),
KOBJMETHOD(channel_setformat, svchan_setformat),
KOBJMETHOD(channel_setspeed, svchan_setspeed),
KOBJMETHOD(channel_setblocksize, svchan_setblocksize),
KOBJMETHOD(channel_trigger, svpchan_trigger),
KOBJMETHOD(channel_getptr, svpchan_getptr),
KOBJMETHOD(channel_getcaps, svchan_getcaps),
{ 0, 0 }
};
CHANNEL_DECLARE(svpchan);
/* ------------------------------------------------------------------------- */
/* Mixer support */
struct sv_mix_props {
u_int8_t reg; /* Register */
u_int8_t stereo:1; /* Supports 2 channels */
u_int8_t mute:1; /* Supports muting */
u_int8_t neg:1; /* Negative gain */
u_int8_t max; /* Max gain */
u_int8_t iselect; /* Input selector */
} static const mt [SOUND_MIXER_NRDEVICES] = {
[SOUND_MIXER_LINE1] = {SV_REG_AUX1, 1, 1, 1, SV_DEFAULT_MAX, SV_INPUT_AUX1},
[SOUND_MIXER_CD] = {SV_REG_CD, 1, 1, 1, SV_DEFAULT_MAX, SV_INPUT_CD},
[SOUND_MIXER_LINE] = {SV_REG_LINE, 1, 1, 1, SV_DEFAULT_MAX, SV_INPUT_LINE},
[SOUND_MIXER_MIC] = {SV_REG_MIC, 0, 1, 1, SV_MIC_MAX, SV_INPUT_MIC},
[SOUND_MIXER_SYNTH] = {SV_REG_SYNTH, 0, 1, 1, SV_DEFAULT_MAX, 0},
[SOUND_MIXER_LINE2] = {SV_REG_AUX2, 1, 1, 1, SV_DEFAULT_MAX, SV_INPUT_AUX2},
[SOUND_MIXER_VOLUME] = {SV_REG_MIX, 1, 1, 1, SV_DEFAULT_MAX, 0},
[SOUND_MIXER_PCM] = {SV_REG_PCM, 1, 1, 1, SV_PCM_MAX, 0},
[SOUND_MIXER_RECLEV] = {SV_REG_ADC_INPUT, 1, 0, 0, SV_ADC_MAX, 0},
};
static void
sv_channel_gain(struct sc_info *sc, u_int32_t dev, u_int32_t gain, u_int32_t channel)
{
u_int8_t v;
int32_t g;
g = mt[dev].max * gain / 100;
if (mt[dev].neg)
g = mt[dev].max - g;
v = sv_indirect_get(sc, mt[dev].reg + channel) & ~mt[dev].max;
v |= g;
if (mt[dev].mute) {
if (gain == 0) {
v |= SV_MUTE;
} else {
v &= ~SV_MUTE;
}
}
sv_indirect_set(sc, mt[dev].reg + channel, v);
}
static int
sv_gain(struct sc_info *sc, u_int32_t dev, u_int32_t left, u_int32_t right)
{
sv_channel_gain(sc, dev, left, 0);
if (mt[dev].stereo)
sv_channel_gain(sc, dev, right, 1);
return 0;
}
static void
sv_mix_mute_all(struct sc_info *sc)
{
int32_t i;
for (i = 0; i < SOUND_MIXER_NRDEVICES; i++) {
if (mt[i].reg) sv_gain(sc, i, 0, 0);
}
}
static int
sv_mix_init(struct snd_mixer *m)
{
u_int32_t i, v;
for(i = v = 0; i < SOUND_MIXER_NRDEVICES; i++) {
if (mt[i].max) v |= (1 << i);
}
mix_setdevs(m, v);
for(i = v = 0; i < SOUND_MIXER_NRDEVICES; i++) {
if (mt[i].iselect) v |= (1 << i);
}
mix_setrecdevs(m, v);
return 0;
}
static int
sv_mix_set(struct snd_mixer *m, u_int32_t dev, u_int32_t left, u_int32_t right)
{
struct sc_info *sc = mix_getdevinfo(m);
return sv_gain(sc, dev, left, right);
}
static int
sv_mix_setrecsrc(struct snd_mixer *m, u_int32_t mask)
{
struct sc_info *sc = mix_getdevinfo(m);
u_int32_t i, v;
v = sv_indirect_get(sc, SV_REG_ADC_INPUT) & SV_INPUT_GAIN_MASK;
for(i = 0; i < SOUND_MIXER_NRDEVICES; i++) {
if ((1 << i) & mask) {
v |= mt[i].iselect;
}
}
DEB(printf("sv_mix_setrecsrc: mask 0x%08x adc_input 0x%02x\n", mask, v));
sv_indirect_set(sc, SV_REG_ADC_INPUT, v);
return mask;
}
static kobj_method_t sv_mixer_methods[] = {
KOBJMETHOD(mixer_init, sv_mix_init),
KOBJMETHOD(mixer_set, sv_mix_set),
KOBJMETHOD(mixer_setrecsrc, sv_mix_setrecsrc),
{ 0, 0 }
};
MIXER_DECLARE(sv_mixer);
/* ------------------------------------------------------------------------- */
/* Power management and reset */
static void
sv_power(struct sc_info *sc, int state)
{
u_int8_t v;
switch (state) {
case 0:
/* power on */
v = sv_indirect_get(sc, SV_REG_ANALOG_PWR) &~ SV_ANALOG_OFF;
v |= SV_ANALOG_OFF_SRS | SV_ANALOG_OFF_SPLL;
sv_indirect_set(sc, SV_REG_ANALOG_PWR, v);
v = sv_indirect_get(sc, SV_REG_DIGITAL_PWR) &~ SV_DIGITAL_OFF;
v |= SV_DIGITAL_OFF_SYN | SV_DIGITAL_OFF_MU | SV_DIGITAL_OFF_GP;
sv_indirect_set(sc, SV_REG_DIGITAL_PWR, v);
break;
default:
/* power off */
v = sv_indirect_get(sc, SV_REG_ANALOG_PWR) | SV_ANALOG_OFF;
sv_indirect_set(sc, SV_REG_ANALOG_PWR, v);
v = sv_indirect_get(sc, SV_REG_DIGITAL_PWR) | SV_DIGITAL_OFF;
sv_indirect_set(sc, SV_REG_DIGITAL_PWR, SV_DIGITAL_OFF);
break;
}
DEB(printf("Power state %d\n", state));
}
static int
sv_init(struct sc_info *sc)
{
u_int8_t v;
/* Effect reset */
v = sv_direct_get(sc, SV_CM_CONTROL) & ~SV_CM_CONTROL_ENHANCED;
v |= SV_CM_CONTROL_RESET;
sv_direct_set(sc, SV_CM_CONTROL, v);
DELAY(50);
v = sv_direct_get(sc, SV_CM_CONTROL) & ~SV_CM_CONTROL_RESET;
sv_direct_set(sc, SV_CM_CONTROL, v);
DELAY(50);
/* Set in enhanced mode */
v = sv_direct_get(sc, SV_CM_CONTROL);
v |= SV_CM_CONTROL_ENHANCED;
sv_direct_set(sc, SV_CM_CONTROL, v);
/* Enable interrupts (UDM and MIDM are superfluous) */
v = sv_direct_get(sc, SV_CM_IMR);
v &= ~(SV_CM_IMR_AMSK | SV_CM_IMR_CMSK | SV_CM_IMR_SMSK);
sv_direct_set(sc, SV_CM_IMR, v);
/* Select ADC PLL for ADC clock */
v = sv_indirect_get(sc, SV_REG_CLOCK_SOURCE) & ~SV_CLOCK_ALTERNATE;
sv_indirect_set(sc, SV_REG_CLOCK_SOURCE, v);
/* Disable loopback - binds ADC and DAC rates */
v = sv_indirect_get(sc, SV_REG_LOOPBACK) & ~SV_LOOPBACK_ENABLE;
sv_indirect_set(sc, SV_REG_LOOPBACK, v);
/* Disable SRS */
v = sv_indirect_get(sc, SV_REG_SRS_SPACE) | SV_SRS_DISABLED;
sv_indirect_set(sc, SV_REG_SRS_SPACE, v);
/* Get revision */
sc->rev = sv_indirect_get(sc, SV_REG_REVISION);
return 0;
}
static int
sv_suspend(device_t dev)
{
struct sc_info *sc = pcm_getdevinfo(dev);
sc->rch.dma_was_active = sc->rch.dma_active;
svrchan_trigger(NULL, &sc->rch, PCMTRIG_ABORT);
sc->pch.dma_was_active = sc->pch.dma_active;
svrchan_trigger(NULL, &sc->pch, PCMTRIG_ABORT);
sv_mix_mute_all(sc);
sv_power(sc, 3);
return 0;
}
static int
sv_resume(device_t dev)
{
struct sc_info *sc = pcm_getdevinfo(dev);
sv_mix_mute_all(sc);
sv_power(sc, 0);
if (sv_init(sc) == -1) {
device_printf(dev, "unable to reinitialize the card\n");
return ENXIO;
}
if (mixer_reinit(dev) == -1) {
device_printf(dev, "unable to reinitialize the mixer\n");
return ENXIO;
}
if (sc->rch.dma_was_active) {
svrchan_trigger(0, &sc->rch, PCMTRIG_START);
}
if (sc->pch.dma_was_active) {
svpchan_trigger(0, &sc->pch, PCMTRIG_START);
}
return 0;
}
/* ------------------------------------------------------------------------- */
/* Resource related */
static void
sv_intr(void *data)
{
struct sc_info *sc = data;
u_int8_t status;
status = sv_direct_get(sc, SV_CM_STATUS);
if (status & SV_CM_STATUS_AINT)
chn_intr(sc->pch.channel);
if (status & SV_CM_STATUS_CINT)
chn_intr(sc->rch.channel);
status &= ~(SV_CM_STATUS_AINT|SV_CM_STATUS_CINT);
DEB(if (status) printf("intr 0x%02x ?\n", status));
return;
}
static int
sv_probe(device_t dev)
{
switch(pci_get_devid(dev)) {
case SV_PCI_ID:
device_set_desc(dev, "S3 Sonicvibes");
return 0;
default:
return ENXIO;
}
}
static int
sv_attach(device_t dev) {
struct snddev_info *d;
struct sc_info *sc;
u_int32_t data;
char status[SND_STATUSLEN];
u_long midi_start, games_start, count, sdmaa, sdmac, ml, mu;
d = device_get_softc(dev);
sc = malloc(sizeof(struct sc_info), M_DEVBUF, M_NOWAIT | M_ZERO);
if (sc == NULL) {
device_printf(dev, "cannot allocate softc");
return ENXIO;
}
sc->dev = 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);
#if __FreeBSD_version > 500000
if (pci_get_powerstate(dev) != PCI_POWERSTATE_D0) {
device_printf(dev, "chip is in D%d power mode "
"-- setting to D0\n", pci_get_powerstate(dev));
pci_set_powerstate(dev, PCI_POWERSTATE_D0);
}
#endif
sc->enh_rid = SV_PCI_ENHANCED;
sc->enh_type = SYS_RES_IOPORT;
sc->enh_reg = bus_alloc_resource(dev, sc->enh_type,
&sc->enh_rid, 0, ~0,
SV_PCI_ENHANCED_SIZE, RF_ACTIVE);
if (sc->enh_reg == NULL) {
device_printf(dev, "sv_attach: cannot allocate enh\n");
return ENXIO;
}
sc->enh_st = rman_get_bustag(sc->enh_reg);
sc->enh_sh = rman_get_bushandle(sc->enh_reg);
data = pci_read_config(dev, SV_PCI_DMAA, 4);
DEB(printf("sv_attach: initial dmaa 0x%08x\n", data));
data = pci_read_config(dev, SV_PCI_DMAC, 4);
DEB(printf("sv_attach: initial dmac 0x%08x\n", data));
/* Initialize DMA_A and DMA_C */
pci_write_config(dev, SV_PCI_DMAA, SV_PCI_DMA_EXTENDED, 4);
pci_write_config(dev, SV_PCI_DMAC, 0, 4);
/* Register IRQ handler */
sc->irqid = 0;
sc->irq = bus_alloc_resource(dev, SYS_RES_IRQ, &sc->irqid,
0, ~0, 1, RF_ACTIVE | RF_SHAREABLE);
if (!sc->irq ||
bus_setup_intr(dev, sc->irq, INTR_TYPE_AV, sv_intr, sc, &sc->ih)) {
device_printf(dev, "sv_attach: Unable to map interrupt\n");
goto fail;
}
sc->bufsz = pcm_getbuffersize(dev, 4096, SV_DEFAULT_BUFSZ, 65536);
if (bus_dma_tag_create(/*parent*/NULL, /*alignment*/2, /*boundary*/0,
/*lowaddr*/BUS_SPACE_MAXADDR_24BIT,
/*highaddr*/BUS_SPACE_MAXADDR,
/*filter*/NULL, /*filterarg*/NULL,
/*maxsize*/sc->bufsz, /*nsegments*/1,
/*maxsegz*/0x3ffff, /*flags*/0,
/*lockfunc*/busdma_lock_mutex,
/*lockarg*/&Giant, &sc->parent_dmat) != 0) {
device_printf(dev, "sv_attach: Unable to create dma tag\n");
goto fail;
}
/* Power up and initialize */
sv_mix_mute_all(sc);
sv_power(sc, 0);
sv_init(sc);
if (mixer_init(dev, &sv_mixer_class, sc) != 0) {
device_printf(dev, "sv_attach: Mixer failed to initialize\n");
goto fail;
}
/* XXX This is a hack, and it's ugly. Okay, the deal is this
* card has two more io regions that available for automatic
* configuration by the pci code. These need to be allocated
* to used as control registers for the DMA engines.
* Unfortunately FBSD has no bus_space_foo() functions so we
* have to grab port space in region of existing resources. Go
* for space between midi and game ports.
*/
bus_get_resource(dev, SYS_RES_IOPORT, SV_PCI_MIDI, &midi_start, &count);
bus_get_resource(dev, SYS_RES_IOPORT, SV_PCI_GAMES, &games_start, &count);
if (games_start < midi_start) {
ml = games_start;
mu = midi_start;
} else {
ml = midi_start;
mu = games_start;
}
/* Check assumptions about space availability and
alignment. How driver loaded can determine whether
games_start > midi_start or vice versa */
if ((mu - ml >= 0x800) ||
((mu - ml) % 0x200)) {
device_printf(dev, "sv_attach: resource assumptions not met "
"(midi 0x%08lx, games 0x%08lx)\n",
midi_start, games_start);
goto fail;
}
sdmaa = ml + 0x40;
sdmac = sdmaa + 0x40;
/* Add resources to list of pci resources for this device - from here on
* they look like normal pci resources. */
bus_set_resource(dev, SYS_RES_IOPORT, SV_PCI_DMAA, sdmaa, SV_PCI_DMAA_SIZE);
bus_set_resource(dev, SYS_RES_IOPORT, SV_PCI_DMAC, sdmac, SV_PCI_DMAC_SIZE);
/* Cache resource short-cuts for dma_a */
sc->dmaa_rid = SV_PCI_DMAA;
sc->dmaa_type = SYS_RES_IOPORT;
sc->dmaa_reg = bus_alloc_resource(dev, sc->dmaa_type,
&sc->dmaa_rid, 0, ~0,
SV_PCI_ENHANCED_SIZE, RF_ACTIVE);
if (sc->dmaa_reg == NULL) {
device_printf(dev, "sv_attach: cannot allocate dmaa\n");
goto fail;
}
sc->dmaa_st = rman_get_bustag(sc->dmaa_reg);
sc->dmaa_sh = rman_get_bushandle(sc->dmaa_reg);
/* Poke port into dma_a configuration, nb bit flags to enable dma */
data = pci_read_config(dev, SV_PCI_DMAA, 4) | SV_PCI_DMA_ENABLE | SV_PCI_DMA_EXTENDED;
data = ((u_int32_t)sdmaa & 0xfffffff0) | (data & 0x0f);
pci_write_config(dev, SV_PCI_DMAA, data, 4);
DEB(printf("dmaa: 0x%x 0x%x\n", data, pci_read_config(dev, SV_PCI_DMAA, 4)));
/* Cache resource short-cuts for dma_c */
sc->dmac_rid = SV_PCI_DMAC;
sc->dmac_type = SYS_RES_IOPORT;
sc->dmac_reg = bus_alloc_resource(dev, sc->dmac_type,
&sc->dmac_rid, 0, ~0,
SV_PCI_ENHANCED_SIZE, RF_ACTIVE);
if (sc->dmac_reg == NULL) {
device_printf(dev, "sv_attach: cannot allocate dmac\n");
goto fail;
}
sc->dmac_st = rman_get_bustag(sc->dmac_reg);
sc->dmac_sh = rman_get_bushandle(sc->dmac_reg);
/* Poke port into dma_c configuration, nb bit flags to enable dma */
data = pci_read_config(dev, SV_PCI_DMAC, 4) | SV_PCI_DMA_ENABLE | SV_PCI_DMA_EXTENDED;
data = ((u_int32_t)sdmac & 0xfffffff0) | (data & 0x0f);
pci_write_config(dev, SV_PCI_DMAC, data, 4);
DEB(printf("dmac: 0x%x 0x%x\n", data, pci_read_config(dev, SV_PCI_DMAC, 4)));
if (bootverbose)
printf("Sonicvibes: revision %d.\n", sc->rev);
if (pcm_register(dev, sc, 1, 1)) {
device_printf(dev, "sv_attach: pcm_register fail\n");
goto fail;
}
pcm_addchan(dev, PCMDIR_PLAY, &svpchan_class, sc);
pcm_addchan(dev, PCMDIR_REC, &svrchan_class, sc);
snprintf(status, SND_STATUSLEN, "at io 0x%lx irq %ld %s",
rman_get_start(sc->enh_reg), rman_get_start(sc->irq),PCM_KLDSTRING(snd_vibes));
pcm_setstatus(dev, status);
DEB(printf("sv_attach: succeeded\n"));
return 0;
fail:
if (sc->parent_dmat)
bus_dma_tag_destroy(sc->parent_dmat);
if (sc->ih)
bus_teardown_intr(dev, sc->irq, sc->ih);
if (sc->irq)
bus_release_resource(dev, SYS_RES_IRQ, sc->irqid, sc->irq);
if (sc->enh_reg)
bus_release_resource(dev, sc->enh_type, sc->enh_rid, sc->enh_reg);
if (sc->dmaa_reg)
bus_release_resource(dev, sc->dmaa_type, sc->dmaa_rid, sc->dmaa_reg);
if (sc->dmac_reg)
bus_release_resource(dev, sc->dmac_type, sc->dmac_rid, sc->dmac_reg);
return ENXIO;
}
static int
sv_detach(device_t dev) {
struct sc_info *sc;
int r;
r = pcm_unregister(dev);
if (r) return r;
sc = pcm_getdevinfo(dev);
sv_mix_mute_all(sc);
sv_power(sc, 3);
bus_dma_tag_destroy(sc->parent_dmat);
bus_teardown_intr(dev, sc->irq, sc->ih);
bus_release_resource(dev, SYS_RES_IRQ, sc->irqid, sc->irq);
bus_release_resource(dev, sc->enh_type, sc->enh_rid, sc->enh_reg);
bus_release_resource(dev, sc->dmaa_type, sc->dmaa_rid, sc->dmaa_reg);
bus_release_resource(dev, sc->dmac_type, sc->dmac_rid, sc->dmac_reg);
free(sc, M_DEVBUF);
return 0;
}
static device_method_t sc_methods[] = {
DEVMETHOD(device_probe, sv_probe),
DEVMETHOD(device_attach, sv_attach),
DEVMETHOD(device_detach, sv_detach),
DEVMETHOD(device_resume, sv_resume),
DEVMETHOD(device_suspend, sv_suspend),
{ 0, 0 }
};
static driver_t sonicvibes_driver = {
"pcm",
sc_methods,
PCM_SOFTC_SIZE
};
DRIVER_MODULE(snd_vibes, pci, sonicvibes_driver, pcm_devclass, 0, 0);
MODULE_DEPEND(snd_vibes, sound, SOUND_MINVER, SOUND_PREFVER, SOUND_MAXVER);
MODULE_VERSION(snd_vibes, 1);
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