/* * 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) { #ifdef INCLUDE_TRIX_BOOT 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); /* ?????? */ #endif } static int trix_set_wss_port (struct address_info *hw_config) { unsigned char addr_bits; if (kilroy_was_here) /* Already initialized */ return 0; if (trix_read (0x15) != 0x71) /* No asic signature */ return 0; kilroy_was_here = 1; /* * 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) { #ifndef EXCLUDE_SB extern int sb_no_recording; sb_dsp_disable_midi (); sb_no_recording = 1; #endif printk (" "); return mem_start; } long attach_trix_mpu (long mem_start, struct address_info *hw_config) { #if (!defined(EXCLUDE_MPU401) || !defined(EXCLUDE_MPU_EMU)) && !defined(EXCLUDE_MIDI) return attach_mpu401 (mem_start, hw_config); #else return mem_start; #endif } int probe_trix_mpu (struct address_info *hw_config) { #if (!defined(EXCLUDE_MPU401) || !defined(EXCLUDE_MPU_EMU)) && !defined(EXCLUDE_MIDI) 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); #else return 0; #endif } #endif