4 * Low level driver for the MediaTrix AudioTrix Pro
5 * (MT-0002-PC Control Chip)
8 * Copyright (C) by Hannu Savolainen 1993-1997
10 * OSS/Free for Linux is distributed under the GNU GENERAL PUBLIC LICENSE (GPL)
11 * Version 2 (June 1991). See the "COPYING" file distributed with this software
15 * Alan Cox Modularisation, cleanup.
16 * Christoph Hellwig Adapted to module_init/module_exit
17 * Arnaldo C. de Melo Got rid of attach_uart401
20 #include <linux/init.h>
21 #include <linux/module.h>
23 #include "sound_config.h"
25 #include "sound_firmware.h"
30 #include "trix_boot.h"
32 static int kilroy_was_here; /* Don't detect twice */
33 static int sb_initialized;
34 static int mpu_initialized;
42 static unsigned char trix_read(int addr)
44 outb(((unsigned char) addr), 0x390); /* MT-0002-PC ASIC address */
45 return inb(0x391); /* MT-0002-PC ASIC data */
48 static void trix_write(int addr, int data)
50 outb(((unsigned char) addr), 0x390); /* MT-0002-PC ASIC address */
51 outb(((unsigned char) data), 0x391); /* MT-0002-PC ASIC data */
54 static void download_boot(int base)
56 int i = 0, n = trix_boot_len;
58 if (trix_boot_len == 0)
61 trix_write(0xf8, 0x00); /* ??????? */
62 outb((0x01), base + 6); /* Clear the internal data pointer */
63 outb((0x00), base + 6); /* Restart */
66 * Write the boot code to the RAM upload/download register.
67 * Each write increments the internal data pointer.
69 outb((0x01), base + 6); /* Clear the internal data pointer */
70 outb((0x1A), 0x390); /* Select RAM download/upload port */
72 for (i = 0; i < n; i++)
73 outb((trix_boot[i]), 0x391);
74 for (i = n; i < 10016; i++) /* Clear up to first 16 bytes of data RAM */
76 outb((0x00), base + 6); /* Reset */
77 outb((0x50), 0x390); /* ?????? */
81 static int trix_set_wss_port(struct address_info *hw_config)
83 unsigned char addr_bits;
85 if (check_region(0x390, 2))
87 printk(KERN_ERR "AudioTrix: Config port I/O conflict\n");
90 if (kilroy_was_here) /* Already initialized */
93 if (trix_read(0x15) != 0x71) /* No ASIC signature */
95 MDB(printk(KERN_ERR "No AudioTrix ASIC signature found\n"));
101 * Reset some registers.
108 * Configure the ASIC to place the codec to the proper I/O location
111 switch (hw_config->io_base)
129 trix_write(0x19, (trix_read(0x19) & 0x03) | addr_bits);
134 * Probe and attach routines for the Windows Sound System mode of
138 static int __init probe_trix_wss(struct address_info *hw_config)
143 * Check if the IO port returns valid signature. The original MS Sound
144 * system returns 0x04 while some cards (AudioTrix Pro for example)
147 if (check_region(hw_config->io_base, 8))
149 printk(KERN_ERR "AudioTrix: MSS I/O port conflict (%x)\n", hw_config->io_base);
152 trix_osp = hw_config->osp;
154 if (!trix_set_wss_port(hw_config))
157 if ((inb(hw_config->io_base + 3) & 0x3f) != 0x00)
159 MDB(printk(KERN_ERR "No MSS signature detected on port 0x%x\n", hw_config->io_base));
162 if (hw_config->irq > 11)
164 printk(KERN_ERR "AudioTrix: Bad WSS IRQ %d\n", hw_config->irq);
167 if (hw_config->dma != 0 && hw_config->dma != 1 && hw_config->dma != 3)
169 printk(KERN_ERR "AudioTrix: Bad WSS DMA %d\n", hw_config->dma);
172 if (hw_config->dma2 != -1 && hw_config->dma2 != hw_config->dma)
173 if (hw_config->dma2 != 0 && hw_config->dma2 != 1 && hw_config->dma2 != 3)
175 printk(KERN_ERR "AudioTrix: Bad capture DMA %d\n", hw_config->dma2);
179 * Check that DMA0 is not in use with a 8 bit board.
182 if (hw_config->dma == 0 && inb(hw_config->io_base + 3) & 0x80)
184 printk(KERN_ERR "AudioTrix: Can't use DMA0 with a 8 bit card slot\n");
187 if (hw_config->irq > 7 && hw_config->irq != 9 && inb(hw_config->io_base + 3) & 0x80)
189 printk(KERN_ERR "AudioTrix: Can't use IRQ%d with a 8 bit card slot\n", hw_config->irq);
192 ret = ad1848_detect(hw_config->io_base + 4, NULL, hw_config->osp);
197 trix_write(0x15, 0x80);
198 request_region(0x390, 2, "AudioTrix");
203 static void __init attach_trix_wss(struct address_info *hw_config)
205 static unsigned char interrupt_bits[12] = {
206 0, 0, 0, 0, 0, 0, 0, 0x08, 0, 0x10, 0x18, 0x20
210 static unsigned char dma_bits[4] = {
214 int config_port = hw_config->io_base + 0;
215 int dma1 = hw_config->dma, dma2 = hw_config->dma2;
216 int old_num_mixers = num_mixers;
218 trix_osp = hw_config->osp;
220 if (!kilroy_was_here)
222 DDB(printk("AudioTrix: Attach called but not probed yet???\n"));
227 * Set the IRQ and DMA addresses.
230 bits = interrupt_bits[hw_config->irq];
233 printk("AudioTrix: Bad IRQ (%d)\n", hw_config->irq);
236 outb((bits | 0x40), config_port);
238 if (hw_config->dma2 == -1 || hw_config->dma2 == hw_config->dma)
240 bits |= dma_bits[dma1];
247 tmp = trix_read(0x13) & ~30;
248 trix_write(0x13, tmp | 0x80 | (dma1 << 4));
250 tmp = trix_read(0x14) & ~30;
251 trix_write(0x14, tmp | 0x80 | (dma2 << 4));
254 outb((bits), config_port); /* Write IRQ+DMA setup */
256 hw_config->slots[0] = ad1848_init("AudioTrix Pro", hw_config->io_base + 4,
263 request_region(hw_config->io_base, 4, "MSS config");
265 if (num_mixers > old_num_mixers) /* Mixer got installed */
267 AD1848_REROUTE(SOUND_MIXER_LINE1, SOUND_MIXER_LINE); /* Line in */
268 AD1848_REROUTE(SOUND_MIXER_LINE2, SOUND_MIXER_CD);
269 AD1848_REROUTE(SOUND_MIXER_LINE3, SOUND_MIXER_SYNTH); /* OPL4 */
270 AD1848_REROUTE(SOUND_MIXER_SPEAKER, SOUND_MIXER_ALTPCM); /* SB */
274 static int __init probe_trix_sb(struct address_info *hw_config)
279 static signed char irq_translate[] = {
280 -1, -1, -1, 0, 1, 2, -1, 3
283 if (trix_boot_len == 0)
284 return 0; /* No boot code -> no fun */
286 if (!kilroy_was_here)
287 return 0; /* AudioTrix Pro has not been detected earlier */
292 if (check_region(hw_config->io_base, 16))
294 printk(KERN_ERR "AudioTrix: SB I/O port conflict (%x)\n", hw_config->io_base);
297 if ((hw_config->io_base & 0xffffff8f) != 0x200)
300 tmp = hw_config->irq;
303 if (irq_translate[tmp] == -1)
306 tmp = hw_config->dma;
307 if (tmp != 1 && tmp != 3)
310 conf = 0x84; /* DMA and IRQ enable */
311 conf |= hw_config->io_base & 0x70; /* I/O address bits */
312 conf |= irq_translate[hw_config->irq];
313 if (hw_config->dma == 3)
315 trix_write(0x1b, conf);
317 download_boot(hw_config->io_base);
320 hw_config->name = "AudioTrix SB";
321 return sb_dsp_detect(hw_config, 0, 0, NULL);
324 static void __init attach_trix_sb(struct address_info *hw_config)
326 extern int sb_be_quiet;
329 hw_config->driver_use_1 = SB_NO_MIDI | SB_NO_MIXER | SB_NO_RECORDING;
331 /* Prevent false alarms */
332 old_quiet = sb_be_quiet;
335 sb_dsp_init(hw_config, THIS_MODULE);
337 sb_be_quiet = old_quiet;
340 static int __init probe_trix_mpu(struct address_info *hw_config)
343 static int irq_bits[] = {
344 -1, -1, -1, 1, 2, 3, -1, 4, -1, 5
347 if (!kilroy_was_here)
349 DDB(printk("Trix: WSS and SB modes must be initialized before MPU\n"));
350 return 0; /* AudioTrix Pro has not been detected earlier */
354 DDB(printk("Trix: SB mode must be initialized before MPU\n"));
359 DDB(printk("Trix: MPU mode already initialized\n"));
362 if (hw_config->irq > 9)
364 printk(KERN_ERR "AudioTrix: Bad MPU IRQ %d\n", hw_config->irq);
367 if (irq_bits[hw_config->irq] == -1)
369 printk(KERN_ERR "AudioTrix: Bad MPU IRQ %d\n", hw_config->irq);
372 switch (hw_config->io_base)
387 return 0; /* Invalid port */
390 conf |= irq_bits[hw_config->irq] << 4;
391 trix_write(0x19, (trix_read(0x19) & 0x83) | conf);
393 hw_config->name = "AudioTrix Pro";
394 return probe_uart401(hw_config, THIS_MODULE);
397 static void __exit unload_trix_wss(struct address_info *hw_config)
399 int dma2 = hw_config->dma2;
402 dma2 = hw_config->dma;
404 release_region(0x390, 2);
405 release_region(hw_config->io_base, 4);
407 ad1848_unload(hw_config->io_base + 4,
412 sound_unload_audiodev(hw_config->slots[0]);
415 static inline void __exit unload_trix_mpu(struct address_info *hw_config)
417 unload_uart401(hw_config);
420 static inline void __exit unload_trix_sb(struct address_info *hw_config)
422 sb_dsp_unload(hw_config, mpu);
425 static struct address_info cfg;
426 static struct address_info cfg2;
427 static struct address_info cfg_mpu;
432 static int __initdata io = -1;
433 static int __initdata irq = -1;
434 static int __initdata dma = -1;
435 static int __initdata dma2 = -1; /* Set this for modules that need it */
436 static int __initdata sb_io = -1;
437 static int __initdata sb_dma = -1;
438 static int __initdata sb_irq = -1;
439 static int __initdata mpu_io = -1;
440 static int __initdata mpu_irq = -1;
443 MODULE_PARM(irq,"i");
444 MODULE_PARM(dma,"i");
445 MODULE_PARM(dma2,"i");
446 MODULE_PARM(sb_io,"i");
447 MODULE_PARM(sb_dma,"i");
448 MODULE_PARM(sb_irq,"i");
449 MODULE_PARM(mpu_io,"i");
450 MODULE_PARM(mpu_irq,"i");
451 MODULE_PARM(joystick, "i");
453 static int __init init_trix(void)
455 printk(KERN_INFO "MediaTrix audio driver Copyright (C) by Hannu Savolainen 1993-1996\n");
462 cfg2.io_base = sb_io;
466 cfg_mpu.io_base = mpu_io;
467 cfg_mpu.irq = mpu_irq;
469 if (cfg.io_base == -1 || cfg.dma == -1 || cfg.irq == -1) {
470 printk(KERN_INFO "I/O, IRQ, DMA and type are mandatory\n");
474 if (cfg2.io_base != -1 && (cfg2.irq == -1 || cfg2.dma == -1)) {
475 printk(KERN_INFO "CONFIG_SB_IRQ and CONFIG_SB_DMA must be specified if SB_IO is set.\n");
478 if (cfg_mpu.io_base != -1 && cfg_mpu.irq == -1) {
479 printk(KERN_INFO "CONFIG_MPU_IRQ must be specified if MPU_IO is set.\n");
485 trix_boot_len = mod_firmware_load("/etc/sound/trxpro.bin",
486 (char **) &trix_boot);
488 if (!probe_trix_wss(&cfg))
490 attach_trix_wss(&cfg);
493 * We must attach in the right order to get the firmware
497 if (cfg2.io_base != -1) {
498 sb = probe_trix_sb(&cfg2);
500 attach_trix_sb(&cfg2);
503 if (cfg_mpu.io_base != -1)
504 mpu = probe_trix_mpu(&cfg_mpu);
509 static void __exit cleanup_trix(void)
511 if (fw_load && trix_boot)
514 unload_trix_sb(&cfg2);
516 unload_trix_mpu(&cfg_mpu);
517 unload_trix_wss(&cfg);
520 module_init(init_trix);
521 module_exit(cleanup_trix);
524 static int __init setup_trix (char *str)
526 /* io, irq, dma, dma2, sb_io, sb_irq, sb_dma, mpu_io, mpu_irq */
529 str = get_options(str, ARRAY_SIZE(ints), ints);
544 __setup("trix=", setup_trix);
546 MODULE_LICENSE("GPL");