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-rw-r--r--sys/i386/isa/sound/trix.c323
1 files changed, 323 insertions, 0 deletions
diff --git a/sys/i386/isa/sound/trix.c b/sys/i386/isa/sound/trix.c
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+/*
+ * sound/trix.c
+ *
+ * Low level driver for the MediaTriX AudioTriX Pro
+ * (MT-0002-PC Control Chip)
+ *
+ * Copyright by Hannu Savolainen 1995
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are
+ * met: 1. Redistributions of source code must retain the above copyright
+ * notice, this list of conditions and the following disclaimer. 2.
+ * Redistributions in binary form must reproduce the above copyright notice,
+ * this list of conditions and the following disclaimer in the documentation
+ * and/or other materials provided with the distribution.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND ANY
+ * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
+ * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
+ * DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE FOR
+ * ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+ * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
+ * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
+ * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
+ * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
+ * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
+ * SUCH DAMAGE.
+ *
+ */
+
+#include "sound_config.h"
+
+#if defined(CONFIGURE_SOUNDCARD) && !defined(EXCLUDE_TRIX)
+
+#ifdef INCLUDE_TRIX_BOOT
+#include "trix_boot.h"
+#endif
+
+static int kilroy_was_here = 0; /* Don't detect twice */
+static int sb_initialized = 0;
+static int mpu_initialized = 0;
+
+static unsigned char
+trix_read (int addr)
+{
+ OUTB ((unsigned char) addr, 0x390); /* MT-0002-PC ASIC address */
+ return INB (0x391); /* MT-0002-PC ASIC data */
+}
+
+static void
+trix_write (int addr, int data)
+{
+ OUTB ((unsigned char) addr, 0x390); /* MT-0002-PC ASIC address */
+ OUTB ((unsigned char) data, 0x391); /* MT-0002-PC ASIC data */
+}
+
+static void
+download_boot (int base)
+{
+ int i = 0, n = sizeof (trix_boot);
+
+ trix_write (0xf8, 0x00); /* ??????? */
+ OUTB (0x01, base + 6); /* Clear the internal data pointer */
+ OUTB (0x00, base + 6); /* Restart */
+
+ /*
+ * Write the boot code to the RAM upload/download register.
+ * Each write increments the internal data pointer.
+ */
+ OUTB (0x01, base + 6); /* Clear the internal data pointer */
+ OUTB (0x1A, 0x390); /* Select RAM download/upload port */
+
+ for (i = 0; i < n; i++)
+ OUTB (trix_boot[i], 0x391);
+ for (i = n; i < 10016; i++) /* Clear up to first 16 bytes of data RAM */
+ OUTB (0x00, 0x391);
+ OUTB (0x00, base + 6); /* Reset */
+ OUTB (0x50, 0x390); /* ?????? */
+}
+
+static int
+trix_set_wss_port (struct address_info *hw_config)
+{
+ unsigned char addr_bits;
+
+ if (kilroy_was_here) /* Already initialized */
+ return 0;
+
+ kilroy_was_here = 1;
+
+ if (trix_read (0x15) != 0x71) /* No asic signature */
+ return 0;
+
+ /*
+ * Disable separate wave playback and recording DMA channels since
+ * the driver doesn't support duplex mode yet.
+ */
+
+ trix_write (0x13, trix_read (0x13) & ~0x80);
+ trix_write (0x14, trix_read (0x14) & ~0x80);
+
+ /*
+ * Configure the ASIC to place the codec to the proper I/O location
+ */
+
+ switch (hw_config->io_base)
+ {
+ case 0x530:
+ addr_bits = 0;
+ break;
+ case 0x604:
+ addr_bits = 1;
+ break;
+ case 0xE80:
+ addr_bits = 2;
+ break;
+ case 0xF40:
+ addr_bits = 3;
+ break;
+ default:
+ return 0;
+ }
+
+ trix_write (0x19, (trix_read (0x19) & 0x03) | addr_bits);
+ return 1;
+}
+
+/*
+ * Probe and attach routines for the Windows Sound System mode of
+ * AudioTriX Pro
+ */
+
+int
+probe_trix_wss (struct address_info *hw_config)
+{
+ /*
+ * Check if the IO port returns valid signature. The original MS Sound
+ * system returns 0x04 while some cards (AudioTriX Pro for example)
+ * return 0x00.
+ */
+ if (!trix_set_wss_port (hw_config))
+ return 0;
+
+ if ((INB (hw_config->io_base + 3) & 0x3f) != 0x00)
+ {
+ DDB (printk ("No MSS signature detected on port 0x%x\n", hw_config->io_base));
+ return 0;
+ }
+
+ if (hw_config->irq > 11)
+ {
+ printk ("AudioTriX: Bad WSS IRQ %d\n", hw_config->irq);
+ return 0;
+ }
+
+ if (hw_config->dma != 0 && hw_config->dma != 1 && hw_config->dma != 3)
+ {
+ printk ("AudioTriX: Bad WSS DMA %d\n", hw_config->dma);
+ return 0;
+ }
+
+ /*
+ * Check that DMA0 is not in use with a 8 bit board.
+ */
+
+ if (hw_config->dma == 0 && INB (hw_config->io_base + 3) & 0x80)
+ {
+ printk ("AudioTriX: Can't use DMA0 with a 8 bit card\n");
+ return 0;
+ }
+
+ if (hw_config->irq > 7 && hw_config->irq != 9 && INB (hw_config->io_base + 3) & 0x80)
+ {
+ printk ("AudioTriX: Can't use IRQ%d with a 8 bit card\n", hw_config->irq);
+ return 0;
+ }
+
+ return ad1848_detect (hw_config->io_base + 4);
+}
+
+long
+attach_trix_wss (long mem_start, struct address_info *hw_config)
+{
+ static unsigned char interrupt_bits[12] =
+ {-1, -1, -1, -1, -1, -1, -1, 0x08, -1, 0x10, 0x18, 0x20};
+ char bits;
+
+ static unsigned char dma_bits[4] =
+ {1, 2, 0, 3};
+
+ int config_port = hw_config->io_base + 0, version_port = hw_config->io_base + 3;
+
+ if (!kilroy_was_here)
+ return mem_start;
+
+ /*
+ * Set the IRQ and DMA addresses.
+ */
+
+ bits = interrupt_bits[hw_config->irq];
+ if (bits == -1)
+ return mem_start;
+
+ OUTB (bits | 0x40, config_port);
+ if ((INB (version_port) & 0x40) == 0)
+ printk ("[IRQ Conflict?]");
+
+ OUTB (bits | dma_bits[hw_config->dma], config_port); /* Write IRQ+DMA setup */
+
+ ad1848_init ("AudioTriX Pro", hw_config->io_base + 4,
+ hw_config->irq,
+ hw_config->dma,
+ hw_config->dma);
+ return mem_start;
+}
+
+int
+probe_trix_sb (struct address_info *hw_config)
+{
+
+ int tmp;
+ unsigned char conf;
+ static char irq_translate[] =
+ {-1, -1, -1, 0, 1, 2, -1, 3};
+
+#ifndef INCLUDE_TRIX_BOOT
+ return 0; /* No boot code -> no fun */
+#endif
+ if (!kilroy_was_here)
+ return 0; /* AudioTriX Pro has not been detected earlier */
+
+ if (sb_initialized)
+ return 0;
+
+ if (hw_config->io_base & 0xffffff8f != 0x200)
+ return 0;
+
+ tmp = hw_config->irq;
+ if (tmp > 7)
+ return 0;
+ if (irq_translate[tmp] == -1)
+ return 0;
+
+ tmp = hw_config->dma;
+ if (tmp != 1 && tmp != 3)
+ return 0;
+
+ conf = 0x84; /* DMA and IRQ enable */
+ conf |= hw_config->io_base & 0x70; /* I/O address bits */
+ conf |= irq_translate[hw_config->irq];
+ if (hw_config->dma == 3)
+ conf |= 0x08;
+ trix_write (0x1b, conf);
+
+ download_boot (hw_config->io_base);
+ sb_initialized = 1;
+
+ return 1;
+}
+
+long
+attach_trix_sb (long mem_start, struct address_info *hw_config)
+{
+ printk (" <AudioTriX>");
+ return mem_start;
+}
+
+long
+attach_trix_mpu (long mem_start, struct address_info *hw_config)
+{
+ return attach_mpu401 (mem_start, hw_config);
+}
+
+int
+probe_trix_mpu (struct address_info *hw_config)
+{
+ unsigned char conf;
+ static char irq_bits[] =
+ {-1, -1, -1, 1, 2, 3, -1, 4, -1, 5};
+
+ if (!kilroy_was_here)
+ return 0; /* AudioTriX Pro has not been detected earlier */
+
+ if (!sb_initialized)
+ return 0;
+
+ if (mpu_initialized)
+ return 0;
+
+ if (hw_config->irq > 9)
+ return 0;
+
+ if (irq_bits[hw_config->irq] == -1)
+ return 0;
+
+ switch (hw_config->io_base)
+ {
+ case 0x330:
+ conf = 0x00;
+ break;
+ case 0x370:
+ conf = 0x04;
+ break;
+ case 0x3b0:
+ conf = 0x08;
+ break;
+ case 0x3f0:
+ conf = 0x0c;
+ break;
+ default:
+ return 0; /* Invalid port */
+ }
+
+ conf |= irq_bits[hw_config->irq] << 4;
+
+ trix_write (0x19, (trix_read (0x19) & 0x83) | conf);
+
+ mpu_initialized = 1;
+
+ return probe_mpu401 (hw_config);
+}
+
+#endif
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