835 lines
20 KiB
C
835 lines
20 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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#include <dev/sound/isa/sb.h>
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#include <dev/sound/chip.h>
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#include "mixer_if.h"
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#define SB16_BUFFSIZE 4096
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#define PLAIN_SB16(x) ((((x)->bd_flags) & (BD_F_SB16|BD_F_SB16X)) == BD_F_SB16)
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static u_int32_t sb16_fmt8[] = {
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AFMT_U8,
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AFMT_STEREO | AFMT_U8,
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0
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};
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static pcmchan_caps sb16_caps8 = {5000, 45000, sb16_fmt8, 0};
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static u_int32_t sb16_fmt16[] = {
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AFMT_S16_LE,
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AFMT_STEREO | AFMT_S16_LE,
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0
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};
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static pcmchan_caps sb16_caps16 = {5000, 45000, sb16_fmt16, 0};
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static u_int32_t sb16x_fmt[] = {
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AFMT_U8,
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AFMT_STEREO | AFMT_U8,
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AFMT_S16_LE,
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AFMT_STEREO | AFMT_S16_LE,
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0
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};
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static pcmchan_caps sb16x_caps = {5000, 49000, sb16x_fmt, 0};
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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, run, dch;
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u_int32_t fmt, spd, blksz;
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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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void *ih;
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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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int prio, prio16;
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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_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 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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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), rman_get_bushandle(port), 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), rman_get_bushandle(port), 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_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_rd(sb, SBDSP_STATUS) & 0x80))
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DELAY((i > 100)? 1000 : 10);
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else {
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sb_wr(sb, SBDSP_CMD, val);
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return 1;
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}
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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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/*
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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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*/
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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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return 0;
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}
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/************************************************************/
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struct sb16_mixent {
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int reg;
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int bits;
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int ofs;
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int stereo;
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};
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static const struct sb16_mixent sb16_mixtab[32] = {
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[SOUND_MIXER_VOLUME] = { 0x30, 5, 3, 1 },
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[SOUND_MIXER_PCM] = { 0x32, 5, 3, 1 },
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[SOUND_MIXER_SYNTH] = { 0x34, 5, 3, 1 },
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[SOUND_MIXER_CD] = { 0x36, 5, 3, 1 },
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[SOUND_MIXER_LINE] = { 0x38, 5, 3, 1 },
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[SOUND_MIXER_MIC] = { 0x3a, 5, 3, 0 },
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[SOUND_MIXER_SPEAKER] = { 0x3b, 5, 3, 0 },
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[SOUND_MIXER_IGAIN] = { 0x3f, 2, 6, 1 },
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[SOUND_MIXER_OGAIN] = { 0x41, 2, 6, 1 },
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[SOUND_MIXER_TREBLE] = { 0x44, 4, 4, 1 },
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[SOUND_MIXER_BASS] = { 0x46, 4, 4, 1 },
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};
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static int
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sb16mix_init(snd_mixer *m)
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{
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struct sb_info *sb = mix_getdevinfo(m);
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mix_setdevs(m, SOUND_MASK_SYNTH | SOUND_MASK_PCM | SOUND_MASK_SPEAKER |
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SOUND_MASK_LINE | SOUND_MASK_MIC | SOUND_MASK_CD |
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SOUND_MASK_IGAIN | SOUND_MASK_OGAIN |
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SOUND_MASK_VOLUME | SOUND_MASK_BASS | SOUND_MASK_TREBLE);
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mix_setrecdevs(m, SOUND_MASK_SYNTH | SOUND_MASK_LINE |
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SOUND_MASK_MIC | SOUND_MASK_CD);
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sb_setmixer(sb, 0x3c, 0x1f); /* make all output active */
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sb_setmixer(sb, 0x3d, 0); /* make all inputs-l off */
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sb_setmixer(sb, 0x3e, 0); /* make all inputs-r off */
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return 0;
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}
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static int
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sb16mix_set(snd_mixer *m, unsigned dev, unsigned left, unsigned right)
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{
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struct sb_info *sb = mix_getdevinfo(m);
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const struct sb16_mixent *e;
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int max;
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e = &sb16_mixtab[dev];
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max = (1 << e->bits) - 1;
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left = (left * max) / 100;
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right = (right * max) / 100;
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sb_setmixer(sb, e->reg, left << e->ofs);
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if (e->stereo)
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sb_setmixer(sb, e->reg + 1, right << e->ofs);
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else
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right = left;
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left = (left * 100) / max;
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right = (right * 100) / max;
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return left | (right << 8);
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}
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static int
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sb16mix_setrecsrc(snd_mixer *m, u_int32_t src)
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{
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struct sb_info *sb = mix_getdevinfo(m);
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u_char recdev;
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recdev = 0;
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if (src & SOUND_MASK_MIC)
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recdev |= 0x01; /* mono mic */
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if (src & SOUND_MASK_CD)
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recdev |= 0x06; /* l+r cd */
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if (src & SOUND_MASK_LINE)
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recdev |= 0x18; /* l+r line */
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if (src & SOUND_MASK_SYNTH)
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recdev |= 0x60; /* l+r midi */
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sb_setmixer(sb, SB16_IMASK_L, recdev);
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sb_setmixer(sb, SB16_IMASK_R, recdev);
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/*
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* since the same volume controls apply to the input and
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* output sections, the best approach to have a consistent
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* behaviour among cards would be to disable the output path
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* on devices which are used to record.
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* However, since users like to have feedback, we only disable
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* the mic -- permanently.
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*/
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sb_setmixer(sb, SB16_OMASK, 0x1f & ~1);
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return src;
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}
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static kobj_method_t sb16mix_mixer_methods[] = {
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KOBJMETHOD(mixer_init, sb16mix_init),
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KOBJMETHOD(mixer_set, sb16mix_set),
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KOBJMETHOD(mixer_setrecsrc, sb16mix_setrecsrc),
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{ 0, 0 }
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};
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MIXER_DECLARE(sb16mix_mixer);
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/************************************************************/
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static void
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sb16_release_resources(struct sb_info *sb, device_t dev)
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{
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if (sb->irq) {
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if (sb->ih)
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bus_teardown_intr(dev, sb->irq, sb->ih);
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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->drq2 && (sb->drq2 != sb->drq1)) {
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isa_dma_release(rman_get_start(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->drq1) {
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isa_dma_release(rman_get_start(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->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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if (sb->parent_dmat) {
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bus_dma_tag_destroy(sb->parent_dmat);
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sb->parent_dmat = 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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sb16_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, &rid, 0, ~0, 1, 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, &rid, 0, ~0, 1, 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, &rid, 0, ~0, 1, 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, &rid, 0, ~0, 1, RF_ACTIVE);
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if (sb->io_base && sb->drq1 && sb->irq) {
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int bs = SB16_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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} else {
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sb->drq2 = sb->drq1;
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pcm_setflags(dev, pcm_getflags(dev) | SD_F_SIMPLEX);
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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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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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* 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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reason = 0;
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c = sb_getmixer(sb, IRQ_STAT);
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/*
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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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if (sb->bd_flags & BD_F_SB16X) {
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if (c & 1) { /* 8-bit format */
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if (sb->pch.fmt & AFMT_8BIT)
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reason |= 1;
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if (sb->rch.fmt & AFMT_8BIT)
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reason |= 2;
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}
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if (c & 2) { /* 16-bit format */
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if (sb->pch.fmt & AFMT_16BIT)
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reason |= 1;
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if (sb->rch.fmt & AFMT_16BIT)
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reason |= 2;
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}
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} else {
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if (c & 1) { /* 8-bit dma */
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if (sb->pch.dch == 1)
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reason |= 1;
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if (sb->rch.dch == 1)
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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.dch == 2)
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reason |= 1;
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if (sb->rch.dch == 2)
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reason |= 2;
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}
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}
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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.run))
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chn_intr(sb->pch.channel);
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if ((reason & 2) && (sb->rch.run))
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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_setup(struct sb_info *sb)
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{
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struct sb_chinfo *ch;
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u_int8_t v;
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int l, pprio;
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if (sb->bd_flags & BD_F_DMARUN)
|
|
sndbuf_isadma(sb->pch.buffer, PCMTRIG_STOP);
|
|
if (sb->bd_flags & BD_F_DMARUN2)
|
|
sndbuf_isadma(sb->rch.buffer, PCMTRIG_STOP);
|
|
sb->bd_flags &= ~(BD_F_DMARUN | BD_F_DMARUN2);
|
|
|
|
sb_reset_dsp(sb);
|
|
|
|
if (sb->bd_flags & BD_F_SB16X) {
|
|
pprio = sb->pch.run? 1 : 0;
|
|
sndbuf_isadmasetup(sb->pch.buffer, pprio? sb->drq1 : NULL);
|
|
sb->pch.dch = pprio? 1 : 0;
|
|
sndbuf_isadmasetup(sb->rch.buffer, pprio? sb->drq2 : sb->drq1);
|
|
sb->rch.dch = pprio? 2 : 1;
|
|
} else {
|
|
if (sb->pch.run && sb->rch.run) {
|
|
pprio = (sb->rch.fmt & AFMT_16BIT)? 0 : 1;
|
|
sndbuf_isadmasetup(sb->pch.buffer, pprio? sb->drq2 : sb->drq1);
|
|
sb->pch.dch = pprio? 2 : 1;
|
|
sndbuf_isadmasetup(sb->rch.buffer, pprio? sb->drq1 : sb->drq2);
|
|
sb->rch.dch = pprio? 1 : 2;
|
|
} else {
|
|
if (sb->pch.run) {
|
|
sndbuf_isadmasetup(sb->pch.buffer, (sb->pch.fmt & AFMT_16BIT)? sb->drq2 : sb->drq1);
|
|
sb->pch.dch = (sb->pch.fmt & AFMT_16BIT)? 2 : 1;
|
|
sndbuf_isadmasetup(sb->rch.buffer, (sb->pch.fmt & AFMT_16BIT)? sb->drq1 : sb->drq2);
|
|
sb->rch.dch = (sb->pch.fmt & AFMT_16BIT)? 1 : 2;
|
|
} else if (sb->rch.run) {
|
|
sndbuf_isadmasetup(sb->pch.buffer, (sb->rch.fmt & AFMT_16BIT)? sb->drq1 : sb->drq2);
|
|
sb->pch.dch = (sb->rch.fmt & AFMT_16BIT)? 1 : 2;
|
|
sndbuf_isadmasetup(sb->rch.buffer, (sb->rch.fmt & AFMT_16BIT)? sb->drq2 : sb->drq1);
|
|
sb->rch.dch = (sb->rch.fmt & AFMT_16BIT)? 2 : 1;
|
|
}
|
|
}
|
|
}
|
|
|
|
sndbuf_isadmasetdir(sb->pch.buffer, PCMDIR_PLAY);
|
|
sndbuf_isadmasetdir(sb->rch.buffer, PCMDIR_REC);
|
|
|
|
/*
|
|
printf("setup: [pch = %d, pfmt = %d, pgo = %d] [rch = %d, rfmt = %d, rgo = %d]\n",
|
|
sb->pch.dch, sb->pch.fmt, sb->pch.run, sb->rch.dch, sb->rch.fmt, sb->rch.run);
|
|
*/
|
|
|
|
ch = &sb->pch;
|
|
if (ch->run) {
|
|
l = ch->blksz;
|
|
if (ch->fmt & AFMT_16BIT)
|
|
l >>= 1;
|
|
l--;
|
|
|
|
/* play speed */
|
|
RANGE(ch->spd, 5000, 45000);
|
|
sb_cmd(sb, DSP_CMD_OUT16);
|
|
sb_cmd(sb, ch->spd >> 8);
|
|
sb_cmd(sb, ch->spd & 0xff);
|
|
|
|
/* play format, length */
|
|
v = DSP_F16_AUTO | DSP_F16_FIFO_ON | DSP_F16_DAC;
|
|
v |= (ch->fmt & AFMT_16BIT)? DSP_DMA16 : DSP_DMA8;
|
|
sb_cmd(sb, v);
|
|
|
|
v = (ch->fmt & AFMT_STEREO)? DSP_F16_STEREO : 0;
|
|
v |= (ch->fmt & AFMT_SIGNED)? DSP_F16_SIGNED : 0;
|
|
sb_cmd2(sb, v, l);
|
|
sndbuf_isadma(ch->buffer, PCMTRIG_START);
|
|
sb->bd_flags |= BD_F_DMARUN;
|
|
}
|
|
|
|
ch = &sb->rch;
|
|
if (ch->run) {
|
|
l = ch->blksz;
|
|
if (ch->fmt & AFMT_16BIT)
|
|
l >>= 1;
|
|
l--;
|
|
|
|
/* record speed */
|
|
RANGE(ch->spd, 5000, 45000);
|
|
sb_cmd(sb, DSP_CMD_IN16);
|
|
sb_cmd(sb, ch->spd >> 8);
|
|
sb_cmd(sb, ch->spd & 0xff);
|
|
|
|
/* record format, length */
|
|
v = DSP_F16_AUTO | DSP_F16_FIFO_ON | DSP_F16_ADC;
|
|
v |= (ch->fmt & AFMT_16BIT)? DSP_DMA16 : DSP_DMA8;
|
|
sb_cmd(sb, v);
|
|
|
|
v = (ch->fmt & AFMT_STEREO)? DSP_F16_STEREO : 0;
|
|
v |= (ch->fmt & AFMT_SIGNED)? DSP_F16_SIGNED : 0;
|
|
sb_cmd2(sb, v, l);
|
|
sndbuf_isadma(ch->buffer, PCMTRIG_START);
|
|
sb->bd_flags |= BD_F_DMARUN2;
|
|
}
|
|
|
|
return 0;
|
|
}
|
|
|
|
/* channel interface */
|
|
static void *
|
|
sb16chan_init(kobj_t obj, 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->dir = dir;
|
|
|
|
if (sndbuf_alloc(ch->buffer, sb->parent_dmat, SB16_BUFFSIZE) == -1)
|
|
return NULL;
|
|
|
|
return ch;
|
|
}
|
|
|
|
static int
|
|
sb16chan_setformat(kobj_t obj, void *data, u_int32_t format)
|
|
{
|
|
struct sb_chinfo *ch = data;
|
|
struct sb_info *sb = ch->parent;
|
|
|
|
ch->fmt = format;
|
|
sb->prio = ch->dir;
|
|
sb->prio16 = (ch->fmt & AFMT_16BIT)? 1 : 0;
|
|
|
|
return 0;
|
|
}
|
|
|
|
static int
|
|
sb16chan_setspeed(kobj_t obj, void *data, u_int32_t speed)
|
|
{
|
|
struct sb_chinfo *ch = data;
|
|
|
|
ch->spd = speed;
|
|
return speed;
|
|
}
|
|
|
|
static int
|
|
sb16chan_setblocksize(kobj_t obj, void *data, u_int32_t blocksize)
|
|
{
|
|
struct sb_chinfo *ch = data;
|
|
|
|
ch->blksz = blocksize;
|
|
return ch->blksz;
|
|
}
|
|
|
|
static int
|
|
sb16chan_trigger(kobj_t obj, void *data, int go)
|
|
{
|
|
struct sb_chinfo *ch = data;
|
|
struct sb_info *sb = ch->parent;
|
|
|
|
if (go == PCMTRIG_EMLDMAWR || go == PCMTRIG_EMLDMARD)
|
|
return 0;
|
|
|
|
if (go == PCMTRIG_START)
|
|
ch->run = 1;
|
|
else
|
|
ch->run = 0;
|
|
|
|
sb_setup(sb);
|
|
|
|
return 0;
|
|
}
|
|
|
|
static int
|
|
sb16chan_getptr(kobj_t obj, void *data)
|
|
{
|
|
struct sb_chinfo *ch = data;
|
|
|
|
return sndbuf_isadmaptr(ch->buffer);
|
|
}
|
|
|
|
static pcmchan_caps *
|
|
sb16chan_getcaps(kobj_t obj, void *data)
|
|
{
|
|
struct sb_chinfo *ch = data;
|
|
struct sb_info *sb = ch->parent;
|
|
|
|
if ((sb->prio == 0) || (sb->prio == ch->dir))
|
|
return &sb16x_caps;
|
|
else
|
|
return sb->prio16? &sb16_caps8 : &sb16_caps16;
|
|
}
|
|
|
|
static int
|
|
sb16chan_resetdone(kobj_t obj, void *data)
|
|
{
|
|
struct sb_chinfo *ch = data;
|
|
struct sb_info *sb = ch->parent;
|
|
|
|
sb->prio = 0;
|
|
|
|
return 0;
|
|
}
|
|
|
|
static kobj_method_t sb16chan_methods[] = {
|
|
KOBJMETHOD(channel_init, sb16chan_init),
|
|
KOBJMETHOD(channel_resetdone, sb16chan_resetdone),
|
|
KOBJMETHOD(channel_setformat, sb16chan_setformat),
|
|
KOBJMETHOD(channel_setspeed, sb16chan_setspeed),
|
|
KOBJMETHOD(channel_setblocksize, sb16chan_setblocksize),
|
|
KOBJMETHOD(channel_trigger, sb16chan_trigger),
|
|
KOBJMETHOD(channel_getptr, sb16chan_getptr),
|
|
KOBJMETHOD(channel_getcaps, sb16chan_getcaps),
|
|
{ 0, 0 }
|
|
};
|
|
CHANNEL_DECLARE(sb16chan);
|
|
|
|
/************************************************************/
|
|
|
|
static int
|
|
sb16_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_SB16) {
|
|
snprintf(buf, sizeof buf, "SB16 DSP %d.%02d%s", (int) ver >> 8, (int) ver & 0xff,
|
|
(f & BD_F_SB16X)? " (ViBRA16X)" : "");
|
|
device_set_desc_copy(dev, buf);
|
|
return 0;
|
|
} else
|
|
return (ENXIO);
|
|
}
|
|
|
|
static int
|
|
sb16_attach(device_t dev)
|
|
{
|
|
struct sb_info *sb;
|
|
uintptr_t ver;
|
|
char status[SND_STATUSLEN];
|
|
int bs = SB16_BUFFSIZE;
|
|
|
|
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;
|
|
|
|
if (sb16_alloc_resources(sb, dev))
|
|
goto no;
|
|
if (sb_reset_dsp(sb))
|
|
goto no;
|
|
if (mixer_init(dev, &sb16mix_mixer_class, sb))
|
|
goto no;
|
|
if (bus_setup_intr(dev, sb->irq, INTR_TYPE_TTY, sb_intr, sb, &sb->ih))
|
|
goto no;
|
|
|
|
if (sb->bd_flags & BD_F_SB16X)
|
|
pcm_setflags(dev, pcm_getflags(dev) | SD_F_SIMPLEX);
|
|
|
|
sb->prio = 0;
|
|
|
|
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 (!(pcm_getflags(dev) & SD_F_SIMPLEX))
|
|
snprintf(status + strlen(status), SND_STATUSLEN - strlen(status),
|
|
":%ld", rman_get_start(sb->drq2));
|
|
|
|
if (pcm_register(dev, sb, 1, 1))
|
|
goto no;
|
|
pcm_addchan(dev, PCMDIR_REC, &sb16chan_class, sb);
|
|
pcm_addchan(dev, PCMDIR_PLAY, &sb16chan_class, sb);
|
|
|
|
pcm_setstatus(dev, status);
|
|
|
|
return 0;
|
|
|
|
no:
|
|
sb16_release_resources(sb, dev);
|
|
return ENXIO;
|
|
}
|
|
|
|
static int
|
|
sb16_detach(device_t dev)
|
|
{
|
|
int r;
|
|
struct sb_info *sb;
|
|
|
|
r = pcm_unregister(dev);
|
|
if (r)
|
|
return r;
|
|
|
|
sb = pcm_getdevinfo(dev);
|
|
sb16_release_resources(sb, dev);
|
|
return 0;
|
|
}
|
|
|
|
static device_method_t sb16_methods[] = {
|
|
/* Device interface */
|
|
DEVMETHOD(device_probe, sb16_probe),
|
|
DEVMETHOD(device_attach, sb16_attach),
|
|
DEVMETHOD(device_detach, sb16_detach),
|
|
|
|
{ 0, 0 }
|
|
};
|
|
|
|
static driver_t sb16_driver = {
|
|
"pcm",
|
|
sb16_methods,
|
|
sizeof(snddev_info),
|
|
};
|
|
|
|
DRIVER_MODULE(snd_sb16, sbc, sb16_driver, pcm_devclass, 0, 0);
|
|
MODULE_DEPEND(snd_sb16, snd_pcm, PCM_MINVER, PCM_PREFVER, PCM_MAXVER);
|
|
MODULE_VERSION(snd_sb16, 1);
|
|
|
|
|
|
|
|
|