/* * Copyright (c) 1999 Cameron Grant * Copyright 1997,1998 Luigi Rizzo. * * Derived from files in the Voxware 3.5 distribution, * Copyright by Hannu Savolainen 1994, under the same copyright * conditions. * 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. * * $FreeBSD$ */ #include #include "sbc.h" #define __SB_MIXER_C__ /* XXX warning... */ #include #include #define ESS_BUFFSIZE (65536 - 256) #define PLAIN_SB16(x) ((((x)->bd_flags) & (BD_F_SB16|BD_F_SB16X)) == BD_F_SB16) /* channel interface */ static void *sbchan_init(void *devinfo, snd_dbuf *b, pcm_channel *c, int dir); static int sbchan_setdir(void *data, int dir); static int sbchan_setformat(void *data, u_int32_t format); static int sbchan_setspeed(void *data, u_int32_t speed); static int sbchan_setblocksize(void *data, u_int32_t blocksize); static int sbchan_trigger(void *data, int go); static int sbchan_getptr(void *data); static pcmchan_caps *sbchan_getcaps(void *data); /* channel interface for ESS */ static void *esschan_init(void *devinfo, snd_dbuf *b, pcm_channel *c, int dir); static int esschan_setdir(void *data, int dir); static int esschan_setformat(void *data, u_int32_t format); static int esschan_setspeed(void *data, u_int32_t speed); static int esschan_setblocksize(void *data, u_int32_t blocksize); static int esschan_trigger(void *data, int go); static int esschan_getptr(void *data); static pcmchan_caps *esschan_getcaps(void *data); static pcmchan_caps sb_playcaps = { 4000, 22050, AFMT_U8, AFMT_U8 }; static pcmchan_caps sb_reccaps = { 4000, 13000, AFMT_U8, AFMT_U8 }; static pcmchan_caps sbpro_playcaps = { 4000, 45000, AFMT_STEREO | AFMT_U8, AFMT_STEREO | AFMT_U8 }; static pcmchan_caps sbpro_reccaps = { 4000, 15000, AFMT_STEREO | AFMT_U8, AFMT_STEREO | AFMT_U8 }; static pcmchan_caps sb16_hcaps = { 5000, 45000, AFMT_STEREO | AFMT_S16_LE, AFMT_STEREO | AFMT_S16_LE }; static pcmchan_caps sb16_lcaps = { 5000, 45000, AFMT_STEREO | AFMT_U8, AFMT_STEREO | AFMT_U8 }; static pcmchan_caps sb16x_caps = { 5000, 49000, AFMT_STEREO | AFMT_U8 | AFMT_S16_LE, AFMT_STEREO | AFMT_S16_LE }; static pcmchan_caps ess_playcaps = { 5000, 49000, AFMT_STEREO | AFMT_U8 | AFMT_S16_LE, AFMT_STEREO | AFMT_S16_LE }; static pcmchan_caps ess_reccaps = { 5000, 49000, AFMT_STEREO | AFMT_U8 | AFMT_S16_LE, AFMT_STEREO | AFMT_S16_LE }; static pcm_channel sb_chantemplate = { sbchan_init, sbchan_setdir, sbchan_setformat, sbchan_setspeed, sbchan_setblocksize, sbchan_trigger, sbchan_getptr, sbchan_getcaps, }; static pcm_channel ess_chantemplate = { esschan_init, esschan_setdir, esschan_setformat, esschan_setspeed, esschan_setblocksize, esschan_trigger, esschan_getptr, esschan_getcaps, }; struct sb_info; struct sb_chinfo { struct sb_info *parent; pcm_channel *channel; snd_dbuf *buffer; int dir; u_int32_t fmt, spd; int ess_dma_started; }; struct sb_info { struct resource *io_base; /* I/O address for the board */ struct resource *irq; struct resource *drq1; struct resource *drq2; bus_dma_tag_t parent_dmat; int bd_id; u_long bd_flags; /* board-specific flags */ struct sb_chinfo pch, rch; }; static int sb_rd(struct sb_info *sb, int reg); static void sb_wr(struct sb_info *sb, int reg, u_int8_t val); static int sb_dspready(struct sb_info *sb); static int sb_cmd(struct sb_info *sb, u_char val); static int sb_cmd1(struct sb_info *sb, u_char cmd, int val); static int sb_cmd2(struct sb_info *sb, u_char cmd, int val); static u_int sb_get_byte(struct sb_info *sb); static void sb_setmixer(struct sb_info *sb, u_int port, u_int value); static int sb_getmixer(struct sb_info *sb, u_int port); static int sb_reset_dsp(struct sb_info *sb); static void sb_intr(void *arg); static int sb_speed(struct sb_chinfo *ch); static int sb_start(struct sb_chinfo *ch); static int sb_stop(struct sb_chinfo *ch); static int ess_write(struct sb_info *sb, u_char reg, int val); static int ess_read(struct sb_info *sb, u_char reg); static void ess_intr(void *arg); static int ess_format(struct sb_chinfo *ch, u_int32_t format); static int ess_speed(struct sb_chinfo *ch, int speed); static int ess_start(struct sb_chinfo *ch); static int ess_stop(struct sb_chinfo *ch); static int ess_abort(struct sb_chinfo *ch); static int sbmix_init(snd_mixer *m); static int sbmix_set(snd_mixer *m, unsigned dev, unsigned left, unsigned right); static int sbmix_setrecsrc(snd_mixer *m, u_int32_t src); static snd_mixer sb_mixer = { "SoundBlaster mixer", sbmix_init, sbmix_set, sbmix_setrecsrc, }; static devclass_t pcm_devclass; /* * Common code for the midi and pcm functions * * sb_cmd write a single byte to the CMD port. * sb_cmd1 write a CMD + 1 byte arg * sb_cmd2 write a CMD + 2 byte arg * sb_get_byte returns a single byte from the DSP data port * * ess_write is actually sb_cmd1 * ess_read access ext. regs via sb_cmd(0xc0, reg) followed by sb_get_byte */ static int port_rd(struct resource *port, int off) { return bus_space_read_1(rman_get_bustag(port), rman_get_bushandle(port), off); } static void port_wr(struct resource *port, int off, u_int8_t data) { return bus_space_write_1(rman_get_bustag(port), rman_get_bushandle(port), off, data); } static int sb_rd(struct sb_info *sb, int reg) { return port_rd(sb->io_base, reg); } static void sb_wr(struct sb_info *sb, int reg, u_int8_t val) { port_wr(sb->io_base, reg, val); } static int sb_dspready(struct sb_info *sb) { return ((sb_rd(sb, SBDSP_STATUS) & 0x80) == 0); } static int sb_dspwr(struct sb_info *sb, u_char val) { int i; for (i = 0; i < 1000; i++) { if (sb_dspready(sb)) { sb_wr(sb, SBDSP_CMD, val); return 1; } if (i > 10) DELAY((i > 100)? 1000 : 10); } printf("sb_dspwr(0x%02x) timed out.\n", val); return 0; } static int sb_cmd(struct sb_info *sb, u_char val) { #if 0 printf("sb_cmd: %x\n", val); #endif return sb_dspwr(sb, val); } static int sb_cmd1(struct sb_info *sb, u_char cmd, int val) { #if 0 printf("sb_cmd1: %x, %x\n", cmd, val); #endif if (sb_dspwr(sb, cmd)) { return sb_dspwr(sb, val & 0xff); } else return 0; } static int sb_cmd2(struct sb_info *sb, u_char cmd, int val) { #if 0 printf("sb_cmd2: %x, %x\n", cmd, val); #endif if (sb_dspwr(sb, cmd)) { return sb_dspwr(sb, val & 0xff) && sb_dspwr(sb, (val >> 8) & 0xff); } else return 0; } /* * in the SB, there is a set of indirect "mixer" registers with * address at offset 4, data at offset 5 */ static void sb_setmixer(struct sb_info *sb, u_int port, u_int value) { u_long flags; flags = spltty(); sb_wr(sb, SB_MIX_ADDR, (u_char) (port & 0xff)); /* Select register */ DELAY(10); sb_wr(sb, SB_MIX_DATA, (u_char) (value & 0xff)); DELAY(10); splx(flags); } static int sb_getmixer(struct sb_info *sb, u_int port) { int val; u_long flags; flags = spltty(); sb_wr(sb, SB_MIX_ADDR, (u_char) (port & 0xff)); /* Select register */ DELAY(10); val = sb_rd(sb, SB_MIX_DATA); DELAY(10); splx(flags); return val; } static u_int sb_get_byte(struct sb_info *sb) { int i; for (i = 1000; i > 0; i--) { if (sb_rd(sb, DSP_DATA_AVAIL) & 0x80) return sb_rd(sb, DSP_READ); else DELAY(20); } return 0xffff; } static int ess_write(struct sb_info *sb, u_char reg, int val) { return sb_cmd1(sb, reg, val); } static int ess_read(struct sb_info *sb, u_char reg) { return (sb_cmd(sb, 0xc0) && sb_cmd(sb, reg))? sb_get_byte(sb) : 0xffff; } static int sb_reset_dsp(struct sb_info *sb) { sb_wr(sb, SBDSP_RST, 3); DELAY(100); sb_wr(sb, SBDSP_RST, 0); if (sb_get_byte(sb) != 0xAA) { DEB(printf("sb_reset_dsp 0x%lx failed\n", rman_get_start(d->io_base))); return ENXIO; /* Sorry */ } if (sb->bd_flags & BD_F_ESS) sb_cmd(sb, 0xc6); return 0; } static void sb_release_resources(struct sb_info *sb, device_t dev) { /* should we bus_teardown_intr here? */ if (sb->irq) { bus_release_resource(dev, SYS_RES_IRQ, 0, sb->irq); sb->irq = 0; } if (sb->drq1) { bus_release_resource(dev, SYS_RES_DRQ, 0, sb->drq1); sb->drq1 = 0; } if (sb->drq2) { bus_release_resource(dev, SYS_RES_DRQ, 1, sb->drq2); sb->drq2 = 0; } if (sb->io_base) { bus_release_resource(dev, SYS_RES_IOPORT, 0, sb->io_base); sb->io_base = 0; } free(sb, M_DEVBUF); } static int sb_alloc_resources(struct sb_info *sb, device_t dev) { int rid; rid = 0; if (!sb->io_base) sb->io_base = bus_alloc_resource(dev, SYS_RES_IOPORT, &rid, 0, ~0, 1, RF_ACTIVE); rid = 0; if (!sb->irq) sb->irq = bus_alloc_resource(dev, SYS_RES_IRQ, &rid, 0, ~0, 1, RF_ACTIVE); rid = 0; if (!sb->drq1) sb->drq1 = bus_alloc_resource(dev, SYS_RES_DRQ, &rid, 0, ~0, 1, RF_ACTIVE); rid = 1; if (!sb->drq2 && !(sb->bd_flags & BD_F_ESS)) sb->drq2 = bus_alloc_resource(dev, SYS_RES_DRQ, &rid, 0, ~0, 1, RF_ACTIVE); if (sb->io_base && sb->drq1 && sb->irq) { int bs = (sb->bd_flags & BD_F_ESS)? ESS_BUFFSIZE : DSP_BUFFSIZE; isa_dma_acquire(rman_get_start(sb->drq1)); isa_dmainit(rman_get_start(sb->drq1), bs); if (sb->drq2) { isa_dma_acquire(rman_get_start(sb->drq2)); isa_dmainit(rman_get_start(sb->drq2), bs); } return 0; } else return ENXIO; } static void sb16_swap(void *v, int dir) { struct sb_info *sb = v; int pb = sb->pch.buffer->dl; int rb = sb->rch.buffer->dl; int pc = sb->pch.buffer->chan; int rc = sb->rch.buffer->chan; int swp = 0; if (!pb && !rb) { if (dir == PCMDIR_PLAY && pc < 4) swp = 1; else if (dir == PCMDIR_REC && rc < 4) swp = 1; if (sb->bd_flags & BD_F_SB16X) swp = !swp; if (swp) { int t; t = sb->pch.buffer->chan; sb->pch.buffer->chan = sb->rch.buffer->chan; sb->rch.buffer->chan = t; sb->pch.buffer->dir = ISADMA_WRITE; sb->rch.buffer->dir = ISADMA_READ; } } } static int sb_doattach(device_t dev, struct sb_info *sb) { snddev_info *d = device_get_softc(dev); void *ih; char status[SND_STATUSLEN]; int bs = (sb->bd_flags & BD_F_ESS)? ESS_BUFFSIZE : DSP_BUFFSIZE; if (sb_alloc_resources(sb, dev)) goto no; if (sb_reset_dsp(sb)) goto no; mixer_init(d, &sb_mixer, sb); if (sb->bd_flags & BD_F_ESS) bus_setup_intr(dev, sb->irq, INTR_TYPE_TTY, ess_intr, sb, &ih); else bus_setup_intr(dev, sb->irq, INTR_TYPE_TTY, sb_intr, sb, &ih); if ((sb->bd_flags & BD_F_SB16) && !(sb->bd_flags & BD_F_SB16X)) pcm_setswap(dev, sb16_swap); if (!sb->drq2) pcm_setflags(dev, pcm_getflags(dev) | SD_F_SIMPLEX); 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*/bs, /*nsegments*/1, /*maxsegz*/0x3ffff, /*flags*/0, &sb->parent_dmat) != 0) { device_printf(dev, "unable to create dma tag\n"); goto no; } snprintf(status, SND_STATUSLEN, "at io 0x%lx irq %ld drq %ld", rman_get_start(sb->io_base), rman_get_start(sb->irq), rman_get_start(sb->drq1)); if (sb->drq2) snprintf(status + strlen(status), SND_STATUSLEN - strlen(status), ":%ld", rman_get_start(sb->drq2)); if (pcm_register(dev, sb, 1, 1)) goto no; if (sb->bd_flags & BD_F_ESS) { pcm_addchan(dev, PCMDIR_REC, &ess_chantemplate, sb); pcm_addchan(dev, PCMDIR_PLAY, &ess_chantemplate, sb); } else { pcm_addchan(dev, PCMDIR_REC, &sb_chantemplate, sb); pcm_addchan(dev, PCMDIR_PLAY, &sb_chantemplate, sb); } pcm_setstatus(dev, status); return 0; no: sb_release_resources(sb, dev); return ENXIO; } static void sb_intr(void *arg) { struct sb_info *sb = (struct sb_info *)arg; int reason = 3, c; /* * SB < 4.0 is half duplex and has only 1 bit for int source, * so we fake it. SB 4.x (SB16) has the int source in a separate * register. * The Vibra16X has separate flags for 8 and 16 bit transfers, but * I have no idea how to tell capture from playback interrupts... */ if (sb->bd_flags & BD_F_SB16) { c = sb_getmixer(sb, IRQ_STAT); /* this tells us if the source is 8-bit or 16-bit dma. We * have to check the io channel to map it to read or write... */ reason = 0; if (c & 1) { /* 8-bit dma */ if (sb->pch.fmt & AFMT_U8) reason |= 1; if (sb->rch.fmt & AFMT_U8) reason |= 2; } if (c & 2) { /* 16-bit dma */ if (sb->pch.fmt & AFMT_S16_LE) reason |= 1; if (sb->rch.fmt & AFMT_S16_LE) reason |= 2; } } else c = 1; #if 0 printf("sb_intr: reason=%d c=0x%x\n", reason, c); #endif if ((reason & 1) && (sb->pch.buffer->dl > 0)) chn_intr(sb->pch.channel); if ((reason & 2) && (sb->rch.buffer->dl > 0)) chn_intr(sb->rch.channel); if (c & 1) sb_rd(sb, DSP_DATA_AVAIL); /* 8-bit int ack */ if (c & 2) sb_rd(sb, DSP_DATA_AVL16); /* 16-bit int ack */ } static void ess_intr(void *arg) { struct sb_info *sb = (struct sb_info *)arg; sb_rd(sb, DSP_DATA_AVAIL); /* int ack */ #ifdef notyet /* * XXX * for full-duplex mode: * should read port 0x6 to identify where interrupt came from. */ #endif /* * We are transferring data in DSP normal mode, * so clear the dl to indicate the DMA is stopped. */ if (sb->pch.buffer->dl > 0) chn_intr(sb->pch.channel); if (sb->rch.buffer->dl > 0) chn_intr(sb->rch.channel); } static int sb_speed(struct sb_chinfo *ch) { struct sb_info *sb = ch->parent; int play = (ch->dir == PCMDIR_PLAY)? 1 : 0; int stereo = (ch->fmt & AFMT_STEREO)? 1 : 0; int speed = ch->spd; if (sb->bd_flags & BD_F_SB16) { RANGE(speed, 5000, 45000); sb_cmd(sb, 0x42 - play); sb_cmd(sb, speed >> 8); sb_cmd(sb, speed & 0xff); } else { u_char tconst; int max_speed = 45000, tmp; u_long flags; /* here enforce speed limitations - max 22050 on sb 1.x*/ if (sb->bd_id <= 0x200) max_speed = 22050; /* * SB models earlier than SB Pro have low limit for the * input rate. Note that this is only for input, but since * we do not support separate values for rec & play.... */ if (!play) { if (sb->bd_id <= 0x200) max_speed = 13000; else if (sb->bd_id < 0x300) max_speed = 15000; } RANGE(speed, 4000, max_speed); if (stereo) speed <<= 1; /* * Now the speed should be valid. Compute the value to be * programmed into the board. */ if (speed > 22050) { /* High speed mode on 2.01/3.xx */ tconst = (u_char) ((65536 - ((256000000 + speed / 2) / speed)) >> 8); sb->bd_flags |= BD_F_HISPEED; tmp = 65536 - (tconst << 8); speed = (256000000 + tmp / 2) / tmp; } else { sb->bd_flags &= ~BD_F_HISPEED; tconst = (256 - ((1000000 + speed / 2) / speed)) & 0xff; tmp = 256 - tconst; speed = (1000000 + tmp / 2) / tmp; } flags = spltty(); sb_cmd1(sb, 0x40, tconst); /* set time constant */ splx(flags); if (stereo) speed >>= 1; } ch->spd = speed; return speed; } static int sb_start(struct sb_chinfo *ch) { struct sb_info *sb = ch->parent; int play = (ch->dir == PCMDIR_PLAY)? 1 : 0; int b16 = (ch->fmt & AFMT_S16_LE)? 1 : 0; int stereo = (ch->fmt & AFMT_STEREO)? 1 : 0; int l = ch->buffer->dl; int dh = ch->buffer->chan > 3; u_char i1, i2; if (b16 || dh) l >>= 1; l--; if (play) sb_cmd(sb, DSP_CMD_SPKON); if (sb->bd_flags & BD_F_SB16) { i1 = DSP_F16_AUTO | DSP_F16_FIFO_ON; i1 |= play? DSP_F16_DAC : DSP_F16_ADC; i1 |= (b16 || dh)? DSP_DMA16 : DSP_DMA8; i2 = (stereo? DSP_F16_STEREO : 0) | (b16? DSP_F16_SIGNED : 0); sb_cmd(sb, i1); sb_cmd2(sb, i2, l); } else { if (sb->bd_flags & BD_F_HISPEED) i1 = play? 0x90 : 0x98; else i1 = play? 0x1c : 0x2c; sb_setmixer(sb, 0x0e, stereo? 2 : 0); sb_cmd2(sb, 0x48, l); sb_cmd(sb, i1); } sb->bd_flags |= BD_F_DMARUN << b16; return 0; } static int sb_stop(struct sb_chinfo *ch) { struct sb_info *sb = ch->parent; int play = (ch->dir == PCMDIR_PLAY)? 1 : 0; int b16 = (ch->fmt & AFMT_S16_LE)? 1 : 0; if (sb->bd_flags & BD_F_HISPEED) sb_reset_dsp(sb); else { sb_cmd(sb, b16? DSP_CMD_DMAPAUSE_16 : DSP_CMD_DMAPAUSE_8); /* * The above seems to have the undocumented side effect of * blocking the other side as well. If the other * channel was active (SB16) I have to re-enable it :( */ if (sb->bd_flags & (BD_F_DMARUN << (1 - b16))) sb_cmd(sb, b16? 0xd4 : 0xd6 ); } if (play) sb_cmd(sb, DSP_CMD_SPKOFF); /* speaker off */ sb->bd_flags &= ~(BD_F_DMARUN << b16); return 0; } /* channel interface */ static void * sbchan_init(void *devinfo, snd_dbuf *b, pcm_channel *c, int dir) { struct sb_info *sb = devinfo; struct sb_chinfo *ch = (dir == PCMDIR_PLAY)? &sb->pch : &sb->rch; int dch, dl, dh; ch->parent = sb; ch->channel = c; ch->buffer = b; ch->buffer->bufsize = DSP_BUFFSIZE; if (chn_allocbuf(ch->buffer, sb->parent_dmat) == -1) return NULL; dch = (dir == PCMDIR_PLAY)? 1 : 0; if (sb->bd_flags & BD_F_SB16X) dch = !dch; dl = rman_get_start(sb->drq1); dh = sb->drq2? rman_get_start(sb->drq2) : dl; ch->buffer->chan = dch? dh : dl; return ch; } static int sbchan_setdir(void *data, int dir) { struct sb_chinfo *ch = data; ch->dir = dir; return 0; } static int sbchan_setformat(void *data, u_int32_t format) { struct sb_chinfo *ch = data; ch->fmt = format; return 0; } static int sbchan_setspeed(void *data, u_int32_t speed) { struct sb_chinfo *ch = data; ch->spd = speed; return sb_speed(ch); } static int sbchan_setblocksize(void *data, u_int32_t blocksize) { return blocksize; } static int sbchan_trigger(void *data, int go) { struct sb_chinfo *ch = data; if (go == PCMTRIG_EMLDMAWR) return 0; buf_isadma(ch->buffer, go); if (go == PCMTRIG_START) sb_start(ch); else sb_stop(ch); return 0; } static int sbchan_getptr(void *data) { struct sb_chinfo *ch = data; return buf_isadmaptr(ch->buffer); } static pcmchan_caps * sbchan_getcaps(void *data) { struct sb_chinfo *ch = data; int p = (ch->dir == PCMDIR_PLAY)? 1 : 0; if (ch->parent->bd_id < 0x300) return p? &sb_playcaps : &sb_reccaps; else if (ch->parent->bd_id < 0x400) return p? &sbpro_playcaps : &sbpro_reccaps; else if (ch->parent->bd_flags & BD_F_SB16X) return &sb16x_caps; else return (ch->buffer->chan >= 4)? &sb16_hcaps : &sb16_lcaps; } /* utility functions for ESS */ static int ess_format(struct sb_chinfo *ch, u_int32_t format) { struct sb_info *sb = ch->parent; int play = (ch->dir == PCMDIR_PLAY)? 1 : 0; int b16 = (format & AFMT_S16_LE)? 1 : 0; int stereo = (format & AFMT_STEREO)? 1 : 0; u_char c; ch->fmt = format; sb_reset_dsp(sb); /* auto-init DMA mode */ ess_write(sb, 0xb8, play ? 0x04 : 0x0e); /* mono/stereo */ c = (ess_read(sb, 0xa8) & ~0x03) | 1; if (!stereo) c++; ess_write(sb, 0xa8, c); /* demand mode, 4 bytes/xfer */ ess_write(sb, 0xb9, 2); /* setup dac/adc */ if (play) ess_write(sb, 0xb6, b16? 0x00 : 0x80); ess_write(sb, 0xb7, 0x51 | (b16? 0x20 : 0x00)); ess_write(sb, 0xb7, 0x98 + (b16? 0x24 : 0x00) + (stereo? 0x00 : 0x38)); /* irq/drq control */ ess_write(sb, 0xb1, (ess_read(sb, 0xb1) & 0x0f) | 0x50); ess_write(sb, 0xb2, (ess_read(sb, 0xb2) & 0x0f) | 0x50); return 0; } static int ess_speed(struct sb_chinfo *ch, int speed) { struct sb_info *sb = ch->parent; int t; RANGE (speed, 5000, 49000); if (speed > 22000) { t = (795500 + speed / 2) / speed; speed = (795500 + t / 2) / t; t = (256 - t ) | 0x80; } else { t = (397700 + speed / 2) / speed; speed = (397700 + t / 2) / t; t = 128 - t; } ess_write(sb, 0xa1, t); /* set time constant */ #if 0 d->play_speed = d->rec_speed = speed; speed = (speed * 9 ) / 20; #endif t = 256 - 7160000 / ((speed * 9 / 20) * 82); ess_write(sb, 0xa2, t); return speed; } static int ess_start(struct sb_chinfo *ch) { struct sb_info *sb = ch->parent; int play = (ch->dir == PCMDIR_PLAY)? 1 : 0; short c = - ch->buffer->dl; u_char c1; /* * clear bit 0 of register B8h */ #if 1 c1 = play ? 0x04 : 0x0e; ess_write(sb, 0xb8, c1++); #else c1 = ess_read(sb, 0xb8) & 0xfe; ess_write(sb, 0xb8, c1++); #endif /* * update ESS Transfer Count Register */ ess_write(sb, 0xa4, (u_char)((u_short)c & 0xff)); ess_write(sb, 0xa5, (u_char)(((u_short)c >> 8) & 0xff)); /* * set bit 0 of register B8h */ ess_write(sb, 0xb8, c1); if (play) sb_cmd(sb, DSP_CMD_SPKON); return 0; } static int ess_stop(struct sb_chinfo *ch) { struct sb_info *sb = ch->parent; /* * no need to send a stop command if the DMA has already stopped. */ if (ch->buffer->dl > 0) { sb_cmd(sb, DSP_CMD_DMAPAUSE_8); /* pause dma. */ } return 0; } static int ess_abort(struct sb_chinfo *ch) { struct sb_info *sb = ch->parent; int play = (ch->dir == PCMDIR_PLAY)? 1 : 0; if (play) sb_cmd(sb, DSP_CMD_SPKOFF); /* speaker off */ sb_reset_dsp(sb); ess_format(ch, ch->fmt); ess_speed(ch, ch->channel->speed); return 0; } /* channel interface for ESS18xx */ static void * esschan_init(void *devinfo, snd_dbuf *b, pcm_channel *c, int dir) { struct sb_info *sb = devinfo; struct sb_chinfo *ch = (dir == PCMDIR_PLAY)? &sb->pch : &sb->rch; ch->parent = sb; ch->channel = c; ch->buffer = b; ch->buffer->bufsize = ESS_BUFFSIZE; if (chn_allocbuf(ch->buffer, sb->parent_dmat) == -1) return NULL; ch->buffer->chan = rman_get_start(sb->drq1); return ch; } static int esschan_setdir(void *data, int dir) { struct sb_chinfo *ch = data; ch->dir = dir; return 0; } static int esschan_setformat(void *data, u_int32_t format) { struct sb_chinfo *ch = data; ess_format(ch, format); return 0; } static int esschan_setspeed(void *data, u_int32_t speed) { struct sb_chinfo *ch = data; return ess_speed(ch, speed); } static int esschan_setblocksize(void *data, u_int32_t blocksize) { return blocksize; } static int esschan_trigger(void *data, int go) { struct sb_chinfo *ch = data; if (go == PCMTRIG_EMLDMAWR) return 0; switch (go) { case PCMTRIG_START: if (!ch->ess_dma_started) buf_isadma(ch->buffer, go); ch->ess_dma_started = 1; ess_start(ch); break; case PCMTRIG_STOP: if (ch->buffer->dl >= 0) { buf_isadma(ch->buffer, go); ch->ess_dma_started = 0; ess_stop(ch); } break; case PCMTRIG_ABORT: default: ch->ess_dma_started = 0; ess_abort(ch); buf_isadma(ch->buffer, go); break; } return 0; } static int esschan_getptr(void *data) { struct sb_chinfo *ch = data; return buf_isadmaptr(ch->buffer); } static pcmchan_caps * esschan_getcaps(void *data) { struct sb_chinfo *ch = data; return (ch->dir == PCMDIR_PLAY)? &ess_playcaps : &ess_reccaps; } /************************************************************/ static int sbmix_init(snd_mixer *m) { struct sb_info *sb = mix_getdevinfo(m); switch (sb->bd_flags & BD_F_MIX_MASK) { case BD_F_MIX_CT1345: /* SB 3.0 has 1345 mixer */ mix_setdevs(m, SBPRO_MIXER_DEVICES); mix_setrecdevs(m, SBPRO_RECORDING_DEVICES); sb_setmixer(sb, 0, 1); /* reset mixer */ if (!(sb->bd_flags & BD_F_ESS)) sb_setmixer(sb, MIC_VOL, 0x6); /* mic volume max */ sb_setmixer(sb, RECORD_SRC, 0x0); /* mic source */ sb_setmixer(sb, FM_VOL, 0x0); /* no midi */ break; case BD_F_MIX_CT1745: /* SB16 mixer ... */ mix_setdevs(m, SB16_MIXER_DEVICES); mix_setrecdevs(m, SB16_RECORDING_DEVICES); sb_setmixer(sb, 0x3c, 0x1f); /* make all output active */ sb_setmixer(sb, 0x3d, 0); /* make all inputs-l off */ sb_setmixer(sb, 0x3e, 0); /* make all inputs-r off */ } return 0; } static int sbmix_set(snd_mixer *m, unsigned dev, unsigned left, unsigned right) { struct sb_info *sb = mix_getdevinfo(m); int regoffs; u_char val; mixer_tab *iomap; switch (sb->bd_flags & BD_F_MIX_MASK) { case BD_F_MIX_CT1345: if (sb->bd_flags & BD_F_ESS) iomap = &ess_mix; else iomap = &sbpro_mix; break; case BD_F_MIX_CT1745: iomap = &sb16_mix; break; default: return -1; } /* Change left channel */ regoffs = (*iomap)[dev][LEFT_CHN].regno; if (regoffs != 0) { val = sb_getmixer(sb, regoffs); change_bits(iomap, &val, dev, LEFT_CHN, left); sb_setmixer(sb, regoffs, val); } /* Change right channel */ regoffs = (*iomap)[dev][RIGHT_CHN].regno; if (regoffs != 0) { val = sb_getmixer(sb, regoffs); /* Read the new one */ change_bits(iomap, &val, dev, RIGHT_CHN, right); sb_setmixer(sb, regoffs, val); } else right = left; return left | (right << 8); } static int sbmix_setrecsrc(snd_mixer *m, u_int32_t src) { struct sb_info *sb = mix_getdevinfo(m); u_char recdev; switch (sb->bd_flags & BD_F_MIX_MASK) { case BD_F_MIX_CT1345: if (src == SOUND_MASK_LINE) recdev = 0x06; else if (src == SOUND_MASK_CD) recdev = 0x02; else { /* default: mic */ src = SOUND_MASK_MIC; recdev = 0; } sb_setmixer(sb, RECORD_SRC, recdev | (sb_getmixer(sb, RECORD_SRC) & ~0x07)); break; case BD_F_MIX_CT1745: /* sb16 */ recdev = 0; if (src & SOUND_MASK_MIC) recdev |= 0x01; /* mono mic */ if (src & SOUND_MASK_CD) recdev |= 0x06; /* l+r cd */ if (src & SOUND_MASK_LINE) recdev |= 0x18; /* l+r line */ if (src & SOUND_MASK_SYNTH) recdev |= 0x60; /* l+r midi */ sb_setmixer(sb, SB16_IMASK_L, recdev); sb_setmixer(sb, SB16_IMASK_R, recdev); /* * since the same volume controls apply to the input and * output sections, the best approach to have a consistent * behaviour among cards would be to disable the output path * on devices which are used to record. * However, since users like to have feedback, we only disable * the mic -- permanently. */ sb_setmixer(sb, SB16_OMASK, 0x1f & ~1); break; } return src; } static int sbsbc_probe(device_t dev) { char buf[64]; uintptr_t func, ver, r, f; /* The parent device has already been probed. */ r = BUS_READ_IVAR(device_get_parent(dev), dev, 0, &func); if (func != SCF_PCM) return (ENXIO); r = BUS_READ_IVAR(device_get_parent(dev), dev, 1, &ver); f = (ver & 0xffff0000) >> 16; ver &= 0x0000ffff; snprintf(buf, sizeof buf, "SB DSP %d.%02d%s%s", (int) ver >> 8, (int) ver & 0xff, (f & BD_F_ESS)? " (ESS mode)" : "", (f & BD_F_SB16X)? " (ViBRA16X)" : ""); device_set_desc_copy(dev, buf); return 0; } static int sbsbc_attach(device_t dev) { struct sb_info *sb; uintptr_t ver; sb = (struct sb_info *)malloc(sizeof *sb, M_DEVBUF, M_NOWAIT); if (!sb) return ENXIO; bzero(sb, sizeof *sb); BUS_READ_IVAR(device_get_parent(dev), dev, 1, &ver); sb->bd_id = ver & 0x0000ffff; sb->bd_flags = (ver & 0xffff0000) >> 16; return sb_doattach(dev, sb); } static device_method_t sbsbc_methods[] = { /* Device interface */ DEVMETHOD(device_probe, sbsbc_probe), DEVMETHOD(device_attach, sbsbc_attach), { 0, 0 } }; static driver_t sbsbc_driver = { "pcm", sbsbc_methods, sizeof(snddev_info), }; DRIVER_MODULE(sbsbc, sbc, sbsbc_driver, pcm_devclass, 0, 0);