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git.proxmox.com Git - mirror_ubuntu-zesty-kernel.git/blob - sound/oss/trix.c
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"
36 static unsigned char trix_read(int addr
)
38 outb(((unsigned char) addr
), 0x390); /* MT-0002-PC ASIC address */
39 return inb(0x391); /* MT-0002-PC ASIC data */
42 static void trix_write(int addr
, int data
)
44 outb(((unsigned char) addr
), 0x390); /* MT-0002-PC ASIC address */
45 outb(((unsigned char) data
), 0x391); /* MT-0002-PC ASIC data */
48 static void download_boot(int base
)
50 int i
= 0, n
= trix_boot_len
;
52 if (trix_boot_len
== 0)
55 trix_write(0xf8, 0x00); /* ??????? */
56 outb((0x01), base
+ 6); /* Clear the internal data pointer */
57 outb((0x00), base
+ 6); /* Restart */
60 * Write the boot code to the RAM upload/download register.
61 * Each write increments the internal data pointer.
63 outb((0x01), base
+ 6); /* Clear the internal data pointer */
64 outb((0x1A), 0x390); /* Select RAM download/upload port */
66 for (i
= 0; i
< n
; i
++)
67 outb((trix_boot
[i
]), 0x391);
68 for (i
= n
; i
< 10016; i
++) /* Clear up to first 16 bytes of data RAM */
70 outb((0x00), base
+ 6); /* Reset */
71 outb((0x50), 0x390); /* ?????? */
75 static int trix_set_wss_port(struct address_info
*hw_config
)
77 unsigned char addr_bits
;
79 if (trix_read(0x15) != 0x71) /* No ASIC signature */
81 MDB(printk(KERN_ERR
"No AudioTrix ASIC signature found\n"));
86 * Reset some registers.
93 * Configure the ASIC to place the codec to the proper I/O location
96 switch (hw_config
->io_base
)
114 trix_write(0x19, (trix_read(0x19) & 0x03) | addr_bits
);
119 * Probe and attach routines for the Windows Sound System mode of
123 static int __init
init_trix_wss(struct address_info
*hw_config
)
125 static unsigned char dma_bits
[4] = {
128 struct resource
*ports
;
129 int config_port
= hw_config
->io_base
+ 0;
130 int dma1
= hw_config
->dma
, dma2
= hw_config
->dma2
;
131 int old_num_mixers
= num_mixers
;
135 switch(hw_config
->irq
) {
149 printk(KERN_ERR
"AudioTrix: Bad WSS IRQ %d\n", hw_config
->irq
);
159 printk(KERN_ERR
"AudioTrix: Bad WSS DMA %d\n", dma1
);
170 printk(KERN_ERR
"AudioTrix: Bad capture DMA %d\n", dma2
);
175 * Check if the IO port returns valid signature. The original MS Sound
176 * system returns 0x04 while some cards (AudioTrix Pro for example)
179 ports
= request_region(hw_config
->io_base
+ 4, 4, "ad1848");
181 printk(KERN_ERR
"AudioTrix: MSS I/O port conflict (%x)\n", hw_config
->io_base
);
185 if (!request_region(hw_config
->io_base
, 4, "MSS config")) {
186 printk(KERN_ERR
"AudioTrix: MSS I/O port conflict (%x)\n", hw_config
->io_base
);
187 release_region(hw_config
->io_base
+ 4, 4);
191 if (!trix_set_wss_port(hw_config
))
194 config
= inb(hw_config
->io_base
+ 3);
196 if ((config
& 0x3f) != 0x00)
198 MDB(printk(KERN_ERR
"No MSS signature detected on port 0x%x\n", hw_config
->io_base
));
203 * Check that DMA0 is not in use with a 8 bit board.
206 if (dma1
== 0 && config
& 0x80)
208 printk(KERN_ERR
"AudioTrix: Can't use DMA0 with a 8 bit card slot\n");
211 if (hw_config
->irq
> 9 && config
& 0x80)
213 printk(KERN_ERR
"AudioTrix: Can't use IRQ%d with a 8 bit card slot\n", hw_config
->irq
);
217 ret
= ad1848_detect(ports
, NULL
, hw_config
->osp
);
222 trix_write(0x15, 0x80);
225 * Set the IRQ and DMA addresses.
228 outb((bits
| 0x40), config_port
);
230 if (dma2
== -1 || dma2
== dma1
)
232 bits
|= dma_bits
[dma1
];
239 tmp
= trix_read(0x13) & ~30;
240 trix_write(0x13, tmp
| 0x80 | (dma1
<< 4));
242 tmp
= trix_read(0x14) & ~30;
243 trix_write(0x14, tmp
| 0x80 | (dma2
<< 4));
246 outb((bits
), config_port
); /* Write IRQ+DMA setup */
248 hw_config
->slots
[0] = ad1848_init("AudioTrix Pro", ports
,
256 if (num_mixers
> old_num_mixers
) /* Mixer got installed */
258 AD1848_REROUTE(SOUND_MIXER_LINE1
, SOUND_MIXER_LINE
); /* Line in */
259 AD1848_REROUTE(SOUND_MIXER_LINE2
, SOUND_MIXER_CD
);
260 AD1848_REROUTE(SOUND_MIXER_LINE3
, SOUND_MIXER_SYNTH
); /* OPL4 */
261 AD1848_REROUTE(SOUND_MIXER_SPEAKER
, SOUND_MIXER_ALTPCM
); /* SB */
266 release_region(hw_config
->io_base
, 4);
267 release_region(hw_config
->io_base
+ 4, 4);
271 static int __init
probe_trix_sb(struct address_info
*hw_config
)
276 extern int sb_be_quiet
;
278 static signed char irq_translate
[] = {
279 -1, -1, -1, 0, 1, 2, -1, 3
282 if (trix_boot_len
== 0)
283 return 0; /* No boot code -> no fun */
285 if ((hw_config
->io_base
& 0xffffff8f) != 0x200)
288 tmp
= hw_config
->irq
;
291 if (irq_translate
[tmp
] == -1)
294 tmp
= hw_config
->dma
;
295 if (tmp
!= 1 && tmp
!= 3)
298 if (!request_region(hw_config
->io_base
, 16, "soundblaster")) {
299 printk(KERN_ERR
"AudioTrix: SB I/O port conflict (%x)\n", hw_config
->io_base
);
303 conf
= 0x84; /* DMA and IRQ enable */
304 conf
|= hw_config
->io_base
& 0x70; /* I/O address bits */
305 conf
|= irq_translate
[hw_config
->irq
];
306 if (hw_config
->dma
== 3)
308 trix_write(0x1b, conf
);
310 download_boot(hw_config
->io_base
);
312 hw_config
->name
= "AudioTrix SB";
313 if (!sb_dsp_detect(hw_config
, 0, 0, NULL
)) {
314 release_region(hw_config
->io_base
, 16);
318 hw_config
->driver_use_1
= SB_NO_MIDI
| SB_NO_MIXER
| SB_NO_RECORDING
;
320 /* Prevent false alarms */
321 old_quiet
= sb_be_quiet
;
324 sb_dsp_init(hw_config
, THIS_MODULE
);
326 sb_be_quiet
= old_quiet
;
330 static int __init
probe_trix_mpu(struct address_info
*hw_config
)
333 static int irq_bits
[] = {
334 -1, -1, -1, 1, 2, 3, -1, 4, -1, 5
337 if (hw_config
->irq
> 9)
339 printk(KERN_ERR
"AudioTrix: Bad MPU IRQ %d\n", hw_config
->irq
);
342 if (irq_bits
[hw_config
->irq
] == -1)
344 printk(KERN_ERR
"AudioTrix: Bad MPU IRQ %d\n", hw_config
->irq
);
347 switch (hw_config
->io_base
)
362 return 0; /* Invalid port */
365 conf
|= irq_bits
[hw_config
->irq
] << 4;
366 trix_write(0x19, (trix_read(0x19) & 0x83) | conf
);
367 hw_config
->name
= "AudioTrix Pro";
368 return probe_uart401(hw_config
, THIS_MODULE
);
371 static void __exit
unload_trix_wss(struct address_info
*hw_config
)
373 int dma2
= hw_config
->dma2
;
376 dma2
= hw_config
->dma
;
378 release_region(0x390, 2);
379 release_region(hw_config
->io_base
, 4);
381 ad1848_unload(hw_config
->io_base
+ 4,
386 sound_unload_audiodev(hw_config
->slots
[0]);
389 static inline void __exit
unload_trix_mpu(struct address_info
*hw_config
)
391 unload_uart401(hw_config
);
394 static inline void __exit
unload_trix_sb(struct address_info
*hw_config
)
396 sb_dsp_unload(hw_config
, mpu
);
399 static struct address_info cfg
;
400 static struct address_info cfg2
;
401 static struct address_info cfg_mpu
;
406 static int __initdata io
= -1;
407 static int __initdata irq
= -1;
408 static int __initdata dma
= -1;
409 static int __initdata dma2
= -1; /* Set this for modules that need it */
410 static int __initdata sb_io
= -1;
411 static int __initdata sb_dma
= -1;
412 static int __initdata sb_irq
= -1;
413 static int __initdata mpu_io
= -1;
414 static int __initdata mpu_irq
= -1;
416 module_param(io
, int, 0);
417 module_param(irq
, int, 0);
418 module_param(dma
, int, 0);
419 module_param(dma2
, int, 0);
420 module_param(sb_io
, int, 0);
421 module_param(sb_dma
, int, 0);
422 module_param(sb_irq
, int, 0);
423 module_param(mpu_io
, int, 0);
424 module_param(mpu_irq
, int, 0);
425 module_param(joystick
, bool, 0);
427 static int __init
init_trix(void)
429 printk(KERN_INFO
"MediaTrix audio driver Copyright (C) by Hannu Savolainen 1993-1996\n");
436 cfg2
.io_base
= sb_io
;
440 cfg_mpu
.io_base
= mpu_io
;
441 cfg_mpu
.irq
= mpu_irq
;
443 if (cfg
.io_base
== -1 || cfg
.dma
== -1 || cfg
.irq
== -1) {
444 printk(KERN_INFO
"I/O, IRQ, DMA and type are mandatory\n");
448 if (cfg2
.io_base
!= -1 && (cfg2
.irq
== -1 || cfg2
.dma
== -1)) {
449 printk(KERN_INFO
"CONFIG_SB_IRQ and CONFIG_SB_DMA must be specified if SB_IO is set.\n");
452 if (cfg_mpu
.io_base
!= -1 && cfg_mpu
.irq
== -1) {
453 printk(KERN_INFO
"CONFIG_MPU_IRQ must be specified if MPU_IO is set.\n");
459 trix_boot_len
= mod_firmware_load("/etc/sound/trxpro.bin",
460 (char **) &trix_boot
);
463 if (!request_region(0x390, 2, "AudioTrix")) {
464 printk(KERN_ERR
"AudioTrix: Config port I/O conflict\n");
468 if (!init_trix_wss(&cfg
)) {
469 release_region(0x390, 2);
474 * We must attach in the right order to get the firmware
478 if (cfg2
.io_base
!= -1) {
479 sb
= probe_trix_sb(&cfg2
);
482 if (cfg_mpu
.io_base
!= -1)
483 mpu
= probe_trix_mpu(&cfg_mpu
);
488 static void __exit
cleanup_trix(void)
490 if (fw_load
&& trix_boot
)
493 unload_trix_sb(&cfg2
);
495 unload_trix_mpu(&cfg_mpu
);
496 unload_trix_wss(&cfg
);
499 module_init(init_trix
);
500 module_exit(cleanup_trix
);
503 static int __init
setup_trix (char *str
)
505 /* io, irq, dma, dma2, sb_io, sb_irq, sb_dma, mpu_io, mpu_irq */
508 str
= get_options(str
, ARRAY_SIZE(ints
), ints
);
523 __setup("trix=", setup_trix
);
525 MODULE_LICENSE("GPL");