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263 lines
7.1 KiB
C
263 lines
7.1 KiB
C
/*
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* sound/clones.c
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*
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* init code for enabling clone cards to work in sb/mss emulation.
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*
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* Note -- this code is currently unused!
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*
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* Copyright by Luigi Rizzo - 1997
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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: 1. Redistributions of source code must retain the above
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* copyright notice, this list of conditions and the following
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* disclaimer. 2. Redistributions in binary form must reproduce the
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* above copyright notice, this list of conditions and the following
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* disclaimer in the documentation and/or other materials provided
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* with the distribution.
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*
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* THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS''
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* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
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* TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A
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* PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR
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* OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
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* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
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* LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF
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* USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
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* AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN
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* ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
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* POSSIBILITY OF SUCH DAMAGE.
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*
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* This file has been written using information from various sources
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* in the Voxware 3.5 distribution.
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*/
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#include <i386/isa/snd/sound.h>
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#if NPCM > 0
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/*
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* Known clones card include:
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*
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* Trix (emulating MSS)
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* MAD16 (emulating MSS)
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* OPTi930 -- same as the OPTi931, but no PnP ?
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*/
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#ifdef JAZZ16
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/*
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* Initialization of a Media Vision ProSonic 16 Soundcard. The function
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* initializes a ProSonic 16 like PROS.EXE does for DOS. It sets the base
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* address, the DMA-channels, interrupts and enables the joystickport.
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*
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* Also used by Jazz 16 (same card, different name)
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*
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* written 1994 by Rainer Vranken E-Mail:
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* rvranken@polaris.informatik.uni-essen.de
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*/
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#ifdef SM_WAVE
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/*
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* Logitech Soundman Wave detection and initialization by Hannu Savolainen.
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*
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* There is a microcontroller (8031) in the SM Wave card for MIDI emulation.
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* it's located at address MPU_BASE+4. MPU_BASE+7 is a SM Wave specific
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* control register for MC reset, SCSI, OPL4 and DSP (future expansion)
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* address decoding. Otherwise the SM Wave is just a ordinary MV Jazz16 based
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* soundcard.
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*/
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static void
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smw_putmem(int base, int addr, u_char val)
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{
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u_long s;
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s = spltty();
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outb(base + 1, addr & 0xff); /* Low address bits */
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outb(base + 2, addr >> 8); /* High address bits */
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outb(base, val); /* Data */
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splx(s);
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}
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static u_char
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smw_getmem(int base, int addr)
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{
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u_long s;
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u_char val;
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s = spltty();
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outb(base + 1, addr & 0xff); /* Low address bits */
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outb(base + 2, addr >> 8); /* High address bits */
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val = inb(base); /* Data */
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splx(s);
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return val;
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}
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#ifdef SMW_MIDI0001_INCLUDED
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#include </sys/i386/isa/snd/smw-midi0001.h>
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#else
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u_char *smw_ucode = NULL;
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int smw_ucodeLen = 0;
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#endif /* SWM_MIDI0001_INCLUDED */
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static int
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initialize_smw(int mpu_base)
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{
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int i, mp_base = mpu_base + 4; /* Microcontroller base */
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u_char control;
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/*
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* Reset the microcontroller so that the RAM can be accessed
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*/
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control = inb(mpu_base + 7);
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outb(mpu_base + 7, control | 3); /* Set last two bits to 1 (?) */
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outb(mpu_base + 7, (control & 0xfe) | 2); /* xxxxxxx0 resets the mc */
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DELAY(3000); /* Wait at least 1ms */
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outb(mpu_base + 7, control & 0xfc); /* xxxxxx00 enables RAM */
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/*
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* Detect microcontroller by probing the 8k RAM area
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*/
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smw_putmem(mp_base, 0, 0x00);
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smw_putmem(mp_base, 1, 0xff);
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DELAY(10);
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if (smw_getmem(mp_base, 0) != 0x00 || smw_getmem(mp_base, 1) != 0xff) {
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printf("\nSM Wave: No microcontroller RAM detected (%02x, %02x)\n",
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smw_getmem(mp_base, 0), smw_getmem(mp_base, 1));
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return 0; /* No RAM */
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}
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/*
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* There is RAM so assume it's really a SM Wave
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*/
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if (smw_ucodeLen > 0) {
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if (smw_ucodeLen != 8192) {
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printf("\nSM Wave: Invalid microcode (MIDI0001.BIN) length\n");
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return 1;
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}
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/*
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* Download microcode
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*/
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for (i = 0; i < 8192; i++)
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smw_putmem(mp_base, i, smw_ucode[i]);
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/*
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* Verify microcode
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*/
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for (i = 0; i < 8192; i++)
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if (smw_getmem(mp_base, i) != smw_ucode[i]) {
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printf("SM Wave: Microcode verification failed\n");
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return 0;
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}
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}
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control = 0;
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#ifdef SMW_SCSI_IRQ
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/*
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* Set the SCSI interrupt (IRQ2/9, IRQ3 or IRQ10). The SCSI interrupt
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* is disabled by default.
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*
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* Btw the Zilog 5380 SCSI controller is located at MPU base + 0x10.
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*/
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{
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static u_char scsi_irq_bits[] =
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{0, 0, 3, 1, 0, 0, 0, 0, 0, 3, 2, 0, 0, 0, 0, 0};
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control |= scsi_irq_bits[SMW_SCSI_IRQ] << 6;
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}
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#endif
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#ifdef SMW_OPL4_ENABLE
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/*
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* Make the OPL4 chip visible on the PC bus at 0x380.
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*
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* There is no need to enable this feature since VoxWare doesn't support
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* OPL4 yet. Also there is no RAM in SM Wave so enabling OPL4 is
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* pretty useless.
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*/
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control |= 0x10; /* Uses IRQ12 if bit 0x20 == 0 */
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/* control |= 0x20; Uncomment this if you want to use IRQ7 */
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#endif
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outb(mpu_base + 7, control | 0x03); /* xxxxxx11 restarts */
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return 1;
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}
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#endif
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/*
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* this is only called during the probe. Variables are found in
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* sb_probed.
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*/
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static sbdev_info sb_probed ;
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static int
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initialize_ProSonic16(snddev_info *d)
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{
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int x;
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static u_char int_translat[16] =
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{0, 0, 2, 3, 0, 1, 0, 4, 0, 2, 5, 0, 0, 0, 0, 6},
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dma_translat[8] =
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{0, 1, 0, 2, 0, 3, 0, 4};
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struct address_info *mpu_config;
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int mpu_base, mpu_irq;
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if ((mpu_config = NULL)) {
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mpu_base = mpu_config->io_base;
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mpu_irq = mpu_config->irq;
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} else {
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mpu_base = mpu_irq = 0;
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}
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outb(0x201, 0xAF); /* ProSonic/Jazz16 wakeup */
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DELAY(15000); /* wait at least 10 milliseconds */
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outb(0x201, 0x50);
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outb(0x201, (sb_probed.io_base & 0x70) | ((mpu_base & 0x30) >> 4));
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if (sb_reset_dsp(sb_probed.io_base)) { /* OK. We have at least a SB */
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/* Check the version number of ProSonic (I guess) */
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if (!sb_cmd(sb_probed.io_base, 0xFA))
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return 1;
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if (sb_get_byte(sb_probed.io_base) != 0x12)
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return 1;
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if (sb_cmd(sb_probed.io_base, 0xFB) && /* set DMA and irq */
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sb_cmd(sb_probed.io_base,
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(dma_translat[JAZZ_DMA16]<<4)|dma_translat[sb_probed.dbuf_out.chan]) &&
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sb_cmd(sb_probed.io_base,
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(int_translat[mpu_irq]<<4)|int_translat[sb_probed.irq])) {
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d->bf_flags |= BD_F_JAZZ16 ;
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if (mpu_base == 0)
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printf("Jazz16: No MPU401 devices configured "
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"- MIDI port not initialized\n");
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#ifdef SM_WAVE
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if (mpu_base != 0)
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if (initialize_smw(mpu_base))
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d->bf_flags |= BD_F_JAZZ16_2 ;
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#endif
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/* sb_dsp_disable_midi(); */
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}
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return 1; /* There was at least a SB */
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}
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return 0; /* No SB or ProSonic16 detected */
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}
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#endif /* ifdef JAZZ16 */
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#endif /* NPCM */
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