902 lines
22 KiB
C
902 lines
22 KiB
C
/*
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* Copyright (c) 1999 Cameron Grant <gandalf@vilnya.demon.co.uk>
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* Copyright 1997,1998 Luigi Rizzo.
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*
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* Derived from files in the Voxware 3.5 distribution,
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* Copyright by Hannu Savolainen 1994, under the same copyright
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* conditions.
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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*
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* THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
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* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
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* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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* SUCH DAMAGE.
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*
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* $FreeBSD$
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*/
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#include <dev/sound/pcm/sound.h>
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#define __SB_MIXER_C__ /* XXX warning... */
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#include <dev/sound/isa/sb.h>
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#include <dev/sound/chip.h>
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#define PLAIN_SB16(x) ((((x)->bd_flags) & (BD_F_SB16|BD_F_SB16X)) == BD_F_SB16)
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/* channel interface */
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static void *sbchan_init(void *devinfo, snd_dbuf *b, pcm_channel *c, int dir);
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static int sbchan_setdir(void *data, int dir);
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static int sbchan_setformat(void *data, u_int32_t format);
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static int sbchan_setspeed(void *data, u_int32_t speed);
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static int sbchan_setblocksize(void *data, u_int32_t blocksize);
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static int sbchan_trigger(void *data, int go);
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static int sbchan_getptr(void *data);
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static pcmchan_caps *sbchan_getcaps(void *data);
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static pcmchan_caps sb_playcaps = {
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4000, 22050,
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AFMT_U8,
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AFMT_U8
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};
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static pcmchan_caps sb_reccaps = {
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4000, 13000,
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AFMT_U8,
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AFMT_U8
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};
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static pcmchan_caps sbpro_playcaps = {
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4000, 45000,
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AFMT_STEREO | AFMT_U8,
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AFMT_STEREO | AFMT_U8
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};
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static pcmchan_caps sbpro_reccaps = {
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4000, 15000,
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AFMT_STEREO | AFMT_U8,
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AFMT_STEREO | AFMT_U8
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};
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static pcmchan_caps sb16_hcaps = {
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5000, 45000,
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AFMT_STEREO | AFMT_S16_LE,
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AFMT_STEREO | AFMT_S16_LE
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};
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static pcmchan_caps sb16_lcaps = {
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5000, 45000,
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AFMT_STEREO | AFMT_U8,
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AFMT_STEREO | AFMT_U8
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};
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static pcmchan_caps sb16x_caps = {
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5000, 49000,
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AFMT_STEREO | AFMT_U8 | AFMT_S16_LE,
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AFMT_STEREO | AFMT_S16_LE
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};
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static pcm_channel sb_chantemplate = {
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sbchan_init,
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sbchan_setdir,
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sbchan_setformat,
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sbchan_setspeed,
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sbchan_setblocksize,
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sbchan_trigger,
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sbchan_getptr,
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sbchan_getcaps,
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};
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struct sb_info;
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struct sb_chinfo {
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struct sb_info *parent;
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pcm_channel *channel;
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snd_dbuf *buffer;
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int dir;
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u_int32_t fmt, spd;
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};
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struct sb_info {
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struct resource *io_base; /* I/O address for the board */
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struct resource *irq;
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struct resource *drq1;
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struct resource *drq2;
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bus_dma_tag_t parent_dmat;
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int bd_id;
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u_long bd_flags; /* board-specific flags */
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struct sb_chinfo pch, rch;
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};
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static int sb_rd(struct sb_info *sb, int reg);
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static void sb_wr(struct sb_info *sb, int reg, u_int8_t val);
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static int sb_dspready(struct sb_info *sb);
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static int sb_cmd(struct sb_info *sb, u_char val);
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static int sb_cmd1(struct sb_info *sb, u_char cmd, int val);
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static int sb_cmd2(struct sb_info *sb, u_char cmd, int val);
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static u_int sb_get_byte(struct sb_info *sb);
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static void sb_setmixer(struct sb_info *sb, u_int port, u_int value);
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static int sb_getmixer(struct sb_info *sb, u_int port);
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static int sb_reset_dsp(struct sb_info *sb);
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static void sb_intr(void *arg);
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static int sb_speed(struct sb_chinfo *ch);
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static int sb_start(struct sb_chinfo *ch);
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static int sb_stop(struct sb_chinfo *ch);
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static int sbmix_init(snd_mixer *m);
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static int sbmix_set(snd_mixer *m, unsigned dev, unsigned left, unsigned right);
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static int sbmix_setrecsrc(snd_mixer *m, u_int32_t src);
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static snd_mixer sb_mixer = {
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"SoundBlaster mixer",
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sbmix_init,
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sbmix_set,
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sbmix_setrecsrc,
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};
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static devclass_t pcm_devclass;
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/*
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* Common code for the midi and pcm functions
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*
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* sb_cmd write a single byte to the CMD port.
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* sb_cmd1 write a CMD + 1 byte arg
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* sb_cmd2 write a CMD + 2 byte arg
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* sb_get_byte returns a single byte from the DSP data port
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*
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* ess_write is actually sb_cmd1
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* ess_read access ext. regs via sb_cmd(0xc0, reg) followed by sb_get_byte
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*/
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static int
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port_rd(struct resource *port, int off)
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{
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return bus_space_read_1(rman_get_bustag(port),
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rman_get_bushandle(port),
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off);
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}
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static void
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port_wr(struct resource *port, int off, u_int8_t data)
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{
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return bus_space_write_1(rman_get_bustag(port),
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rman_get_bushandle(port),
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off, data);
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}
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static int
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sb_rd(struct sb_info *sb, int reg)
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{
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return port_rd(sb->io_base, reg);
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}
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static void
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sb_wr(struct sb_info *sb, int reg, u_int8_t val)
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{
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port_wr(sb->io_base, reg, val);
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}
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static int
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sb_dspready(struct sb_info *sb)
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{
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return ((sb_rd(sb, SBDSP_STATUS) & 0x80) == 0);
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}
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static int
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sb_dspwr(struct sb_info *sb, u_char val)
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{
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int i;
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for (i = 0; i < 1000; i++) {
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if (sb_dspready(sb)) {
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sb_wr(sb, SBDSP_CMD, val);
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return 1;
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}
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if (i > 10) DELAY((i > 100)? 1000 : 10);
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}
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printf("sb_dspwr(0x%02x) timed out.\n", val);
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return 0;
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}
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static int
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sb_cmd(struct sb_info *sb, u_char val)
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{
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#if 0
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printf("sb_cmd: %x\n", val);
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#endif
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return sb_dspwr(sb, val);
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}
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static int
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sb_cmd1(struct sb_info *sb, u_char cmd, int val)
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{
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#if 0
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printf("sb_cmd1: %x, %x\n", cmd, val);
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#endif
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if (sb_dspwr(sb, cmd)) {
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return sb_dspwr(sb, val & 0xff);
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} else return 0;
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}
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static int
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sb_cmd2(struct sb_info *sb, u_char cmd, int val)
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{
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#if 0
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printf("sb_cmd2: %x, %x\n", cmd, val);
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#endif
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if (sb_dspwr(sb, cmd)) {
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return sb_dspwr(sb, val & 0xff) &&
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sb_dspwr(sb, (val >> 8) & 0xff);
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} else return 0;
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}
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/*
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* in the SB, there is a set of indirect "mixer" registers with
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* address at offset 4, data at offset 5
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*/
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static void
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sb_setmixer(struct sb_info *sb, u_int port, u_int value)
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{
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u_long flags;
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flags = spltty();
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sb_wr(sb, SB_MIX_ADDR, (u_char) (port & 0xff)); /* Select register */
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DELAY(10);
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sb_wr(sb, SB_MIX_DATA, (u_char) (value & 0xff));
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DELAY(10);
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splx(flags);
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}
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static int
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sb_getmixer(struct sb_info *sb, u_int port)
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{
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int val;
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u_long flags;
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flags = spltty();
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sb_wr(sb, SB_MIX_ADDR, (u_char) (port & 0xff)); /* Select register */
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DELAY(10);
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val = sb_rd(sb, SB_MIX_DATA);
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DELAY(10);
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splx(flags);
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return val;
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}
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static u_int
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sb_get_byte(struct sb_info *sb)
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{
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int i;
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for (i = 1000; i > 0; i--) {
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if (sb_rd(sb, DSP_DATA_AVAIL) & 0x80)
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return sb_rd(sb, DSP_READ);
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else
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DELAY(20);
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}
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return 0xffff;
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}
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static int
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sb_reset_dsp(struct sb_info *sb)
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{
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sb_wr(sb, SBDSP_RST, 3);
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DELAY(100);
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sb_wr(sb, SBDSP_RST, 0);
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if (sb_get_byte(sb) != 0xAA) {
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DEB(printf("sb_reset_dsp 0x%lx failed\n",
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rman_get_start(d->io_base)));
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return ENXIO; /* Sorry */
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}
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if (sb->bd_flags & BD_F_ESS)
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sb_cmd(sb, 0xc6);
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return 0;
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}
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static void
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sb_release_resources(struct sb_info *sb, device_t dev)
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{
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/* should we bus_teardown_intr here? */
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if (sb->irq) {
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bus_release_resource(dev, SYS_RES_IRQ, 0, sb->irq);
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sb->irq = 0;
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}
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if (sb->drq1) {
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bus_release_resource(dev, SYS_RES_DRQ, 0, sb->drq1);
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sb->drq1 = 0;
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}
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if (sb->drq2) {
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bus_release_resource(dev, SYS_RES_DRQ, 1, sb->drq2);
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sb->drq2 = 0;
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}
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if (sb->io_base) {
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bus_release_resource(dev, SYS_RES_IOPORT, 0, sb->io_base);
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sb->io_base = 0;
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}
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free(sb, M_DEVBUF);
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}
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static int
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sb_alloc_resources(struct sb_info *sb, device_t dev)
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{
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int rid;
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rid = 0;
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if (!sb->io_base)
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sb->io_base = bus_alloc_resource(dev, SYS_RES_IOPORT,
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&rid, 0, ~0, 1,
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RF_ACTIVE);
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rid = 0;
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if (!sb->irq)
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sb->irq = bus_alloc_resource(dev, SYS_RES_IRQ,
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&rid, 0, ~0, 1,
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RF_ACTIVE);
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rid = 0;
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if (!sb->drq1)
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sb->drq1 = bus_alloc_resource(dev, SYS_RES_DRQ,
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&rid, 0, ~0, 1,
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RF_ACTIVE);
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rid = 1;
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if (!sb->drq2)
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sb->drq2 = bus_alloc_resource(dev, SYS_RES_DRQ,
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&rid, 0, ~0, 1,
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RF_ACTIVE);
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if (sb->io_base && sb->drq1 && sb->irq) {
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int bs = DSP_BUFFSIZE;
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isa_dma_acquire(rman_get_start(sb->drq1));
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isa_dmainit(rman_get_start(sb->drq1), bs);
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if (sb->drq2) {
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isa_dma_acquire(rman_get_start(sb->drq2));
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isa_dmainit(rman_get_start(sb->drq2), bs);
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}
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return 0;
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} else return ENXIO;
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}
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static void
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sb16_swap(void *v, int dir)
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{
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struct sb_info *sb = v;
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int pb = sb->pch.buffer->dl;
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int rb = sb->rch.buffer->dl;
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int pc = sb->pch.buffer->chan;
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int rc = sb->rch.buffer->chan;
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int swp = 0;
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if (!pb && !rb) {
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if (dir == PCMDIR_PLAY && pc < 4)
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swp = 1;
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else
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if (dir == PCMDIR_REC && rc < 4)
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swp = 1;
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if (swp) {
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int t;
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t = sb->pch.buffer->chan;
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sb->pch.buffer->chan = sb->rch.buffer->chan;
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sb->rch.buffer->chan = t;
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sb->pch.buffer->dir = ISADMA_WRITE;
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sb->rch.buffer->dir = ISADMA_READ;
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}
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}
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}
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static int
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sb_doattach(device_t dev, struct sb_info *sb)
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{
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snddev_info *d = device_get_softc(dev);
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void *ih;
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char status[SND_STATUSLEN];
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int bs = DSP_BUFFSIZE;
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if (sb_alloc_resources(sb, dev))
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goto no;
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if (sb_reset_dsp(sb))
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goto no;
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mixer_init(d, &sb_mixer, sb);
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bus_setup_intr(dev, sb->irq, INTR_TYPE_TTY, sb_intr, sb, &ih);
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if ((sb->bd_flags & BD_F_SB16) && !(sb->bd_flags & BD_F_SB16X))
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pcm_setswap(dev, sb16_swap);
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if (!sb->drq2)
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pcm_setflags(dev, pcm_getflags(dev) | SD_F_SIMPLEX);
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if (bus_dma_tag_create(/*parent*/NULL, /*alignment*/2, /*boundary*/0,
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/*lowaddr*/BUS_SPACE_MAXADDR_24BIT,
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/*highaddr*/BUS_SPACE_MAXADDR,
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/*filter*/NULL, /*filterarg*/NULL,
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/*maxsize*/bs, /*nsegments*/1,
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/*maxsegz*/0x3ffff,
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/*flags*/0, &sb->parent_dmat) != 0) {
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device_printf(dev, "unable to create dma tag\n");
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goto no;
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}
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snprintf(status, SND_STATUSLEN, "at io 0x%lx irq %ld drq %ld",
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rman_get_start(sb->io_base), rman_get_start(sb->irq),
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rman_get_start(sb->drq1));
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if (sb->drq2)
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snprintf(status + strlen(status), SND_STATUSLEN - strlen(status),
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":%ld", rman_get_start(sb->drq2));
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if (pcm_register(dev, sb, 1, 1))
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goto no;
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pcm_addchan(dev, PCMDIR_REC, &sb_chantemplate, sb);
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pcm_addchan(dev, PCMDIR_PLAY, &sb_chantemplate, sb);
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pcm_setstatus(dev, status);
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return 0;
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no:
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sb_release_resources(sb, dev);
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return ENXIO;
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}
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static void
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sb_intr(void *arg)
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{
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struct sb_info *sb = (struct sb_info *)arg;
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int reason = 3, c;
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/*
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* SB < 4.0 is half duplex and has only 1 bit for int source,
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* so we fake it. SB 4.x (SB16) has the int source in a separate
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* register.
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* The Vibra16X has separate flags for 8 and 16 bit transfers, but
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* I have no idea how to tell capture from playback interrupts...
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*/
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if (sb->bd_flags & BD_F_SB16) {
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c = sb_getmixer(sb, IRQ_STAT);
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/* this tells us if the source is 8-bit or 16-bit dma. We
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* have to check the io channel to map it to read or write...
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*/
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reason = 0;
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if (c & 1) { /* 8-bit dma */
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if (sb->pch.fmt & AFMT_U8)
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reason |= 1;
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if (sb->rch.fmt & AFMT_U8)
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reason |= 2;
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}
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if (c & 2) { /* 16-bit dma */
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if (sb->pch.fmt & AFMT_S16_LE)
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reason |= 1;
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if (sb->rch.fmt & AFMT_S16_LE)
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reason |= 2;
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}
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} else c = 1;
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#if 0
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printf("sb_intr: reason=%d c=0x%x\n", reason, c);
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#endif
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if ((reason & 1) && (sb->pch.buffer->dl > 0))
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chn_intr(sb->pch.channel);
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if ((reason & 2) && (sb->rch.buffer->dl > 0))
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chn_intr(sb->rch.channel);
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if (c & 1)
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sb_rd(sb, DSP_DATA_AVAIL); /* 8-bit int ack */
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if (c & 2)
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sb_rd(sb, DSP_DATA_AVL16); /* 16-bit int ack */
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}
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static int
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|
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 || go == PCMTRIG_EMLDMARD)
|
|
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;
|
|
}
|
|
|
|
/************************************************************/
|
|
|
|
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 */
|
|
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:
|
|
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;
|
|
if (f & BD_F_ESS)
|
|
return (ENXIO);
|
|
|
|
snprintf(buf, sizeof buf, "SB DSP %d.%02d%s", (int) ver >> 8, (int) ver & 0xff,
|
|
(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(snd_sb, sbc, sbsbc_driver, pcm_devclass, 0, 0);
|
|
MODULE_DEPEND(snd_sb, snd_pcm, PCM_MINVER, PCM_PREFVER, PCM_MAXVER);
|
|
MODULE_VERSION(snd_sb, 1);
|
|
|
|
|
|
|
|
|