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ae28ee13b4
Amancio. There is some SoundSource support here that is primitive and probably doesn't work, but I'll let the two submitters let me know how my integration of that was since I don't have this card to test. I've only tested this on my GUS MAX since it's all I have. This all probably needs to be re-done anyway since we're widely variant from the original VOXWARE source in the current layout. Submitted by: Amancio Hasty and Jim Lowe Obtained from: Hannu Savolainen
324 lines
7.7 KiB
C
324 lines
7.7 KiB
C
/*
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* sound/trix.c
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*
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* Low level driver for the MediaTriX AudioTriX Pro
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* (MT-0002-PC Control Chip)
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*
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* Copyright by Hannu Savolainen 1995
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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 are
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* met: 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer. 2.
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* Redistributions in binary form must reproduce the above copyright notice,
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* this list of conditions and the following disclaimer in the documentation
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* 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 ANY
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* EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
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* WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
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* DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE FOR
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* ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
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* SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
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* 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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*/
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#include "sound_config.h"
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#if defined(CONFIGURE_SOUNDCARD) && !defined(EXCLUDE_TRIX)
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#ifdef INCLUDE_TRIX_BOOT
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#include "trix_boot.h"
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#endif
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static int kilroy_was_here = 0; /* Don't detect twice */
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static int sb_initialized = 0;
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static int mpu_initialized = 0;
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static unsigned char
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trix_read (int addr)
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{
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OUTB ((unsigned char) addr, 0x390); /* MT-0002-PC ASIC address */
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return INB (0x391); /* MT-0002-PC ASIC data */
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}
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static void
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trix_write (int addr, int data)
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{
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OUTB ((unsigned char) addr, 0x390); /* MT-0002-PC ASIC address */
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OUTB ((unsigned char) data, 0x391); /* MT-0002-PC ASIC data */
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}
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static void
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download_boot (int base)
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{
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int i = 0, n = sizeof (trix_boot);
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trix_write (0xf8, 0x00); /* ??????? */
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OUTB (0x01, base + 6); /* Clear the internal data pointer */
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OUTB (0x00, base + 6); /* Restart */
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/*
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* Write the boot code to the RAM upload/download register.
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* Each write increments the internal data pointer.
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*/
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OUTB (0x01, base + 6); /* Clear the internal data pointer */
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OUTB (0x1A, 0x390); /* Select RAM download/upload port */
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for (i = 0; i < n; i++)
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OUTB (trix_boot[i], 0x391);
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for (i = n; i < 10016; i++) /* Clear up to first 16 bytes of data RAM */
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OUTB (0x00, 0x391);
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OUTB (0x00, base + 6); /* Reset */
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OUTB (0x50, 0x390); /* ?????? */
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}
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static int
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trix_set_wss_port (struct address_info *hw_config)
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{
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unsigned char addr_bits;
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if (kilroy_was_here) /* Already initialized */
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return 0;
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kilroy_was_here = 1;
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if (trix_read (0x15) != 0x71) /* No asic signature */
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return 0;
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/*
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* Disable separate wave playback and recording DMA channels since
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* the driver doesn't support duplex mode yet.
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*/
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trix_write (0x13, trix_read (0x13) & ~0x80);
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trix_write (0x14, trix_read (0x14) & ~0x80);
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/*
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* Configure the ASIC to place the codec to the proper I/O location
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*/
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switch (hw_config->io_base)
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{
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case 0x530:
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addr_bits = 0;
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break;
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case 0x604:
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addr_bits = 1;
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break;
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case 0xE80:
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addr_bits = 2;
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break;
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case 0xF40:
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addr_bits = 3;
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break;
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default:
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return 0;
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}
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trix_write (0x19, (trix_read (0x19) & 0x03) | addr_bits);
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return 1;
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}
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/*
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* Probe and attach routines for the Windows Sound System mode of
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* AudioTriX Pro
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*/
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int
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probe_trix_wss (struct address_info *hw_config)
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{
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/*
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* Check if the IO port returns valid signature. The original MS Sound
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* system returns 0x04 while some cards (AudioTriX Pro for example)
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* return 0x00.
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*/
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if (!trix_set_wss_port (hw_config))
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return 0;
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if ((INB (hw_config->io_base + 3) & 0x3f) != 0x00)
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{
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DDB (printk ("No MSS signature detected on port 0x%x\n", hw_config->io_base));
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return 0;
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}
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if (hw_config->irq > 11)
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{
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printk ("AudioTriX: Bad WSS IRQ %d\n", hw_config->irq);
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return 0;
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}
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if (hw_config->dma != 0 && hw_config->dma != 1 && hw_config->dma != 3)
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{
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printk ("AudioTriX: Bad WSS DMA %d\n", hw_config->dma);
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return 0;
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}
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/*
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* Check that DMA0 is not in use with a 8 bit board.
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*/
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if (hw_config->dma == 0 && INB (hw_config->io_base + 3) & 0x80)
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{
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printk ("AudioTriX: Can't use DMA0 with a 8 bit card\n");
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return 0;
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}
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if (hw_config->irq > 7 && hw_config->irq != 9 && INB (hw_config->io_base + 3) & 0x80)
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{
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printk ("AudioTriX: Can't use IRQ%d with a 8 bit card\n", hw_config->irq);
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return 0;
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}
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return ad1848_detect (hw_config->io_base + 4);
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}
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long
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attach_trix_wss (long mem_start, struct address_info *hw_config)
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{
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static unsigned char interrupt_bits[12] =
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{-1, -1, -1, -1, -1, -1, -1, 0x08, -1, 0x10, 0x18, 0x20};
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char bits;
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static unsigned char dma_bits[4] =
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{1, 2, 0, 3};
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int config_port = hw_config->io_base + 0, version_port = hw_config->io_base + 3;
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if (!kilroy_was_here)
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return mem_start;
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/*
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* Set the IRQ and DMA addresses.
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*/
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bits = interrupt_bits[hw_config->irq];
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if (bits == -1)
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return mem_start;
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OUTB (bits | 0x40, config_port);
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if ((INB (version_port) & 0x40) == 0)
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printk ("[IRQ Conflict?]");
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OUTB (bits | dma_bits[hw_config->dma], config_port); /* Write IRQ+DMA setup */
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ad1848_init ("AudioTriX Pro", hw_config->io_base + 4,
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hw_config->irq,
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hw_config->dma,
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hw_config->dma);
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return mem_start;
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}
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int
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probe_trix_sb (struct address_info *hw_config)
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{
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int tmp;
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unsigned char conf;
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static char irq_translate[] =
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{-1, -1, -1, 0, 1, 2, -1, 3};
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#ifndef INCLUDE_TRIX_BOOT
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return 0; /* No boot code -> no fun */
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#endif
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if (!kilroy_was_here)
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return 0; /* AudioTriX Pro has not been detected earlier */
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if (sb_initialized)
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return 0;
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if (hw_config->io_base & 0xffffff8f != 0x200)
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return 0;
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tmp = hw_config->irq;
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if (tmp > 7)
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return 0;
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if (irq_translate[tmp] == -1)
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return 0;
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tmp = hw_config->dma;
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if (tmp != 1 && tmp != 3)
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return 0;
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conf = 0x84; /* DMA and IRQ enable */
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conf |= hw_config->io_base & 0x70; /* I/O address bits */
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conf |= irq_translate[hw_config->irq];
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if (hw_config->dma == 3)
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conf |= 0x08;
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trix_write (0x1b, conf);
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download_boot (hw_config->io_base);
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sb_initialized = 1;
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return 1;
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}
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long
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attach_trix_sb (long mem_start, struct address_info *hw_config)
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{
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printk (" <AudioTriX>");
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return mem_start;
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}
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long
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attach_trix_mpu (long mem_start, struct address_info *hw_config)
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{
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return attach_mpu401 (mem_start, hw_config);
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}
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int
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probe_trix_mpu (struct address_info *hw_config)
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{
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unsigned char conf;
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static char irq_bits[] =
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{-1, -1, -1, 1, 2, 3, -1, 4, -1, 5};
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if (!kilroy_was_here)
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return 0; /* AudioTriX Pro has not been detected earlier */
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if (!sb_initialized)
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return 0;
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if (mpu_initialized)
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return 0;
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if (hw_config->irq > 9)
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return 0;
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if (irq_bits[hw_config->irq] == -1)
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return 0;
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switch (hw_config->io_base)
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{
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case 0x330:
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conf = 0x00;
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break;
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case 0x370:
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conf = 0x04;
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break;
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case 0x3b0:
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conf = 0x08;
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break;
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case 0x3f0:
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conf = 0x0c;
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break;
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default:
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return 0; /* Invalid port */
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}
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conf |= irq_bits[hw_config->irq] << 4;
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trix_write (0x19, (trix_read (0x19) & 0x83) | conf);
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mpu_initialized = 1;
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return probe_mpu401 (hw_config);
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}
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#endif
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