summaryrefslogtreecommitdiffstats
path: root/sys/dev/sound/pci/emu10k1.c
diff options
context:
space:
mode:
Diffstat (limited to 'sys/dev/sound/pci/emu10k1.c')
-rw-r--r--sys/dev/sound/pci/emu10k1.c1636
1 files changed, 1636 insertions, 0 deletions
diff --git a/sys/dev/sound/pci/emu10k1.c b/sys/dev/sound/pci/emu10k1.c
new file mode 100644
index 0000000..c847016
--- /dev/null
+++ b/sys/dev/sound/pci/emu10k1.c
@@ -0,0 +1,1636 @@
+/*
+ * 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;
+ bus_addr_t buf_addr;
+ u_int32_t pte_start, pte_size;
+};
+
+struct emu_mem {
+ u_int8_t bmap[MAXPAGES / 8];
+ u_int32_t *ptb_pages;
+ void *silent_page;
+ bus_addr_t silent_page_addr;
+ bus_addr_t ptb_pages_addr;
+ 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;
+ struct mtx *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, bus_addr_t *addr);
+static void *emu_memalloc(struct sc_info *sc, u_int32_t sz, bus_addr_t *addr);
+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;
+ bus_addr_t tmp_addr;
+
+ buf = emu_memalloc(sc, sz, &tmp_addr);
+ 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 = tmp_addr;
+ 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)(sc->mem.silent_page_addr) << 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);
+ snd_mtxunlock(sc->lock);
+ r = (emu_vinit(sc, ch->master, ch->slave, sc->bufsz, ch->buffer)) ? NULL : ch;
+
+ 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, sndbuf_getbufaddr(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)
+{
+ bus_addr_t *phys = arg;
+
+ *phys = error ? 0 : (bus_addr_t)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, bus_addr_t *addr)
+{
+ void *buf;
+ bus_dmamap_t map;
+
+ *addr = 0;
+ 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, addr, 0)
+ || !*addr)
+ 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, bus_addr_t *addr)
+{
+ 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, &blk->buf_addr);
+ *addr = blk->buf_addr;
+ 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)(u_long)((u_int8_t *)blk->buf_addr + 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)(sc->mem.silent_page_addr) << 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_MASK | 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), &sc->mem.ptb_pages_addr);
+ if (sc->mem.ptb_pages == NULL)
+ return -1;
+
+ sc->mem.silent_page = emu_malloc(sc, EMUPAGESIZE, &sc->mem.silent_page_addr);
+ 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)(sc->mem.silent_page_addr) << 1;
+ for (i = 0; i < MAXPAGES; i++)
+ sc->mem.ptb_pages[i] = tmp | i;
+
+ emu_wrptr(sc, 0, PTB, (sc->mem.ptb_pages_addr));
+ 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_MASK | 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_MASK | 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);
+
OpenPOWER on IntegriCloud