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415d4cb37a
This corresponds to Voxware 3.5-alpha-<something> and Amancio's guspnp21. There was a bit of a FUBAR during the commmit, so not all files are mentioned in this commit's mail. X-rant: I have just started to _*HATE*_ CVS...
369 lines
8.8 KiB
C
369 lines
8.8 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 (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 <i386/isa/sound/sound_config.h>
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#if NTRIX > 0
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#ifdef INCLUDE_TRIX_BOOT
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#include <i386/isa/sound/trix_boot.h>
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#endif
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#if (NSB > 0)
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extern int sb_no_recording;
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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 sound_os_info *trix_osp = NULL;
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static u_char
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trix_read(int addr)
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{
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outb(0x390, (u_char) addr); /* 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(0x390, (u_char) addr); /* MT-0002-PC ASIC address */
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outb(0x391, (u_char) data); /* 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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#ifdef INCLUDE_TRIX_BOOT
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int i = 0, n = sizeof(trix_boot);
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trix_write(0xf8, 0x00); /* ??????? */
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outb(base + 6, 0x01); /* Clear the internal data pointer */
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outb(base + 6, 0x00); /* Restart */
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/*
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* Write the boot code to the RAM upload/download register. Each
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* write increments the internal data pointer.
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*/
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outb(base + 6, 0x01); /* Clear the internal data pointer */
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outb(0x390, 0x1A); /* Select RAM download/upload port */
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for (i = 0; i < n; i++)
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outb(0x391, trix_boot[i]);
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for (i = n; i < 10016; i++) /* Clear up to first 16 bytes of data RAM */
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outb(0x391, 0x00);
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outb(base + 6, 0x00); /* Reset */
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outb(0x390, 0x50); /* ?????? */
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#endif
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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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u_char addr_bits;
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if (0) {
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printf("AudioTriX: Config port I/O conflict\n");
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return 0;
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}
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if (kilroy_was_here) /* Already initialized */
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return 0;
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if (trix_read(0x15) != 0x71) { /* No asic signature */
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DDB(printf("No AudioTriX ASIC signature found\n"));
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return 0;
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}
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kilroy_was_here = 1;
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/*
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* Reset some registers.
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*/
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trix_write(0x13, 0);
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trix_write(0x14, 0);
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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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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 AudioTriX
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* 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
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* Sound system returns 0x04 while some cards (AudioTriX Pro for
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* example) return 0x00.
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*/
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if (0) {
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printf("AudioTriX: MSS I/O port conflict\n");
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return 0;
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}
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trix_osp = hw_config->osp;
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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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DDB(printf("No MSS signature detected on port 0x%x\n",
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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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printf("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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printf("AudioTriX: Bad WSS DMA %d\n", hw_config->dma);
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return 0;
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}
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if (hw_config->dma2 != -1)
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if (hw_config->dma2 != 0 && hw_config->dma2 != 1 && hw_config->dma2 != 3) {
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printf("AudioTriX: Bad capture DMA %d\n", hw_config->dma2);
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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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printf("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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printf("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, NULL, hw_config->osp);
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}
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void
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attach_trix_wss(struct address_info * hw_config)
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{
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static u_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 u_char dma_bits[4] =
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{1, 2, 0, 3};
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int config_port = hw_config->io_base + 0,
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version_port = hw_config->io_base + 3;
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int dma1 = hw_config->dma, dma2 = hw_config->dma2;
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trix_osp = hw_config->osp;
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if (!kilroy_was_here) {
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DDB(printf("AudioTriX: Attach called but not probed yet???\n"));
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return ;
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}
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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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printf("AudioTriX: Bad IRQ (%d)\n", hw_config->irq);
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return ;
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}
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outb(config_port, bits | 0x40);
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if ((inb(version_port) & 0x40) == 0)
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printf("[IRQ Conflict?]");
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if (hw_config->dma2 == -1) { /* Single DMA mode */
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bits |= dma_bits[dma1];
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dma2 = dma1;
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} else {
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u_char tmp;
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tmp = trix_read(0x13) & ~30;
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trix_write(0x13, tmp | 0x80 | (dma1 << 4));
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tmp = trix_read(0x14) & ~30;
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trix_write(0x14, tmp | 0x80 | (dma2 << 4));
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}
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outb(config_port, bits);/* 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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dma1,
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dma2,
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0,
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hw_config->osp);
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return ;
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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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u_char conf;
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static char irq_translate[] = {-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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void
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attach_trix_sb(struct address_info * hw_config)
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{
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#if (NSB > 0)
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sb_dsp_disable_midi();
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sb_no_recording = 1;
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#endif
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conf_printf("AudioTriX (SB)", hw_config);
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}
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void
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attach_trix_mpu(struct address_info * hw_config)
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{
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#if (defined(CONFIG_MPU401) || defined(CONFIG_MPU_EMU)) && defined(CONFIG_MIDI)
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attach_mpu401(hw_config);
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#endif
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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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#if (defined(CONFIG_MPU401) || defined(CONFIG_MPU_EMU)) && defined(CONFIG_MIDI)
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u_char conf;
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static char irq_bits[] = {-1, -1, -1, 1, 2, 3, -1, 4, -1, 5};
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if (!kilroy_was_here) {
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DDB(printf("Trix: WSS and SB modes must be initialized before MPU\n"));
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return 0; /* AudioTriX Pro has not been detected earlier */
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}
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if (!sb_initialized) {
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DDB(printf("Trix: SB mode must be initialized before MPU\n"));
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return 0;
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}
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if (mpu_initialized) {
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DDB(printf("Trix: MPU mode already initialized\n"));
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return 0;
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}
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if (hw_config->irq > 9) {
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printf("AudioTriX: Bad MPU IRQ %d\n", hw_config->irq);
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return 0;
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}
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if (irq_bits[hw_config->irq] == -1) {
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printf("AudioTriX: Bad MPU IRQ %d\n", hw_config->irq);
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return 0;
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}
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switch (hw_config->io_base) {
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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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#else
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return 0;
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#endif
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}
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#endif
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