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-rw-r--r--sys/i386/isa/sound/trix.c368
1 files changed, 368 insertions, 0 deletions
diff --git a/sys/i386/isa/sound/trix.c b/sys/i386/isa/sound/trix.c
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+++ 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 <i386/isa/sound/sound_config.h>
+
+#if NTRIX > 0
+
+#ifdef INCLUDE_TRIX_BOOT
+#include <i386/isa/sound/trix_boot.h>
+#endif
+
+#if (NSB > 0)
+extern int sb_no_recording;
+#endif
+
+static int kilroy_was_here = 0; /* Don't detect twice */
+static int sb_initialized = 0;
+
+static sound_os_info *trix_osp = NULL;
+
+static u_char
+trix_read(int addr)
+{
+ outb(0x390, (u_char) addr); /* MT-0002-PC ASIC address */
+ return inb(0x391); /* MT-0002-PC ASIC data */
+}
+
+static void
+trix_write(int addr, int data)
+{
+ outb(0x390, (u_char) addr); /* MT-0002-PC ASIC address */
+ outb(0x391, (u_char) data); /* MT-0002-PC ASIC data */
+}
+
+static void
+download_boot(int base)
+{
+#ifdef INCLUDE_TRIX_BOOT
+ int i = 0, n = sizeof(trix_boot);
+
+ trix_write(0xf8, 0x00); /* ??????? */
+ outb(base + 6, 0x01); /* Clear the internal data pointer */
+ outb(base + 6, 0x00); /* Restart */
+
+ /*
+ * Write the boot code to the RAM upload/download register. Each
+ * write increments the internal data pointer.
+ */
+ outb(base + 6, 0x01); /* Clear the internal data pointer */
+ outb(0x390, 0x1A); /* Select RAM download/upload port */
+
+ for (i = 0; i < n; i++)
+ outb(0x391, trix_boot[i]);
+ for (i = n; i < 10016; i++) /* Clear up to first 16 bytes of data RAM */
+ outb(0x391, 0x00);
+ outb(base + 6, 0x00); /* Reset */
+ outb(0x390, 0x50); /* ?????? */
+#endif
+
+}
+
+static int
+trix_set_wss_port(struct address_info * hw_config)
+{
+ u_char addr_bits;
+
+ if (0) {
+ printf("AudioTriX: Config port I/O conflict\n");
+ return 0;
+ }
+ if (kilroy_was_here) /* Already initialized */
+ return 0;
+
+ if (trix_read(0x15) != 0x71) { /* No asic signature */
+ DDB(printf("No AudioTriX ASIC signature found\n"));
+ return 0;
+ }
+
+ kilroy_was_here = 1;
+
+ /*
+ * Reset some registers.
+ */
+
+ trix_write(0x13, 0);
+ trix_write(0x14, 0);
+
+ /*
+ * 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 (0) {
+ printf("AudioTriX: MSS I/O port conflict\n");
+ return 0;
+ }
+ trix_osp = hw_config->osp;
+
+ if (!trix_set_wss_port(hw_config))
+ return 0;
+
+ if ((inb(hw_config->io_base + 3) & 0x3f) != 0x00) {
+ DDB(printf("No MSS signature detected on port 0x%x\n",
+ hw_config->io_base));
+ return 0;
+ }
+ if (hw_config->irq > 11) {
+ printf("AudioTriX: Bad WSS IRQ %d\n", hw_config->irq);
+ return 0;
+ }
+ if (hw_config->dma != 0 && hw_config->dma != 1 && hw_config->dma != 3) {
+ printf("AudioTriX: Bad WSS DMA %d\n", hw_config->dma);
+ return 0;
+ }
+ if (hw_config->dma2 != -1)
+ if (hw_config->dma2 != 0 && hw_config->dma2 != 1 && hw_config->dma2 != 3) {
+ printf("AudioTriX: Bad capture DMA %d\n", hw_config->dma2);
+ 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) {
+ printf("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) {
+ printf("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, NULL, hw_config->osp);
+}
+
+void
+attach_trix_wss(struct address_info * hw_config)
+{
+ static u_char interrupt_bits[12] =
+ {-1, -1, -1, -1, -1, -1, -1, 0x08, -1, 0x10, 0x18, 0x20};
+ char bits;
+
+ static u_char dma_bits[4] =
+ {1, 2, 0, 3};
+
+ int config_port = hw_config->io_base + 0,
+ version_port = hw_config->io_base + 3;
+ int dma1 = hw_config->dma, dma2 = hw_config->dma2;
+
+ trix_osp = hw_config->osp;
+
+ if (!kilroy_was_here) {
+ DDB(printf("AudioTriX: Attach called but not probed yet???\n"));
+ return ;
+ }
+ /*
+ * Set the IRQ and DMA addresses.
+ */
+
+ bits = interrupt_bits[hw_config->irq];
+ if (bits == -1) {
+ printf("AudioTriX: Bad IRQ (%d)\n", hw_config->irq);
+ return ;
+ }
+ outb(config_port, bits | 0x40);
+ if ((inb(version_port) & 0x40) == 0)
+ printf("[IRQ Conflict?]");
+
+ if (hw_config->dma2 == -1) { /* Single DMA mode */
+ bits |= dma_bits[dma1];
+ dma2 = dma1;
+ } else {
+ u_char tmp;
+
+ tmp = trix_read(0x13) & ~30;
+ trix_write(0x13, tmp | 0x80 | (dma1 << 4));
+
+ tmp = trix_read(0x14) & ~30;
+ trix_write(0x14, tmp | 0x80 | (dma2 << 4));
+ }
+
+ outb(config_port, bits);/* Write IRQ+DMA setup */
+
+ ad1848_init("AudioTriX Pro", hw_config->io_base + 4,
+ hw_config->irq,
+ dma1,
+ dma2,
+ 0,
+ hw_config->osp);
+ return ;
+}
+
+int
+probe_trix_sb(struct address_info * hw_config)
+{
+ int tmp;
+ u_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;
+}
+
+void
+attach_trix_sb(struct address_info * hw_config)
+{
+#if (NSB > 0)
+ sb_dsp_disable_midi();
+ sb_no_recording = 1;
+#endif
+ conf_printf("AudioTriX (SB)", hw_config);
+}
+
+void
+attach_trix_mpu(struct address_info * hw_config)
+{
+#if (defined(CONFIG_MPU401) || defined(CONFIG_MPU_EMU)) && defined(CONFIG_MIDI)
+ attach_mpu401(hw_config);
+#endif
+}
+
+int
+probe_trix_mpu(struct address_info * hw_config)
+{
+#if (defined(CONFIG_MPU401) || defined(CONFIG_MPU_EMU)) && defined(CONFIG_MIDI)
+ u_char conf;
+ static char irq_bits[] = {-1, -1, -1, 1, 2, 3, -1, 4, -1, 5};
+
+ if (!kilroy_was_here) {
+ DDB(printf("Trix: WSS and SB modes must be initialized before MPU\n"));
+ return 0; /* AudioTriX Pro has not been detected earlier */
+ }
+ if (!sb_initialized) {
+ DDB(printf("Trix: SB mode must be initialized before MPU\n"));
+ return 0;
+ }
+ if (mpu_initialized) {
+ DDB(printf("Trix: MPU mode already initialized\n"));
+ return 0;
+ }
+ if (hw_config->irq > 9) {
+ printf("AudioTriX: Bad MPU IRQ %d\n", hw_config->irq);
+ return 0;
+ }
+ if (irq_bits[hw_config->irq] == -1) {
+ printf("AudioTriX: Bad MPU IRQ %d\n", hw_config->irq);
+ 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);
+#else
+ return 0;
+#endif
+}
+
+#endif
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