2 * Driver for Gallant SC-6000 soundcard. This card is also known as
3 * Audio Excel DSP 16 or Zoltrix AV302.
4 * These cards use CompuMedia ASC-9308 chip + AD1848 codec.
6 * Copyright (C) 2007 Krzysztof Helt <krzysztof.h1@wp.pl>
8 * I don't have documentation for this card. I used the driver
9 * for OSS/Free included in the kernel source as reference.
11 * This program is free software; you can redistribute it and/or modify
12 * it under the terms of the GNU General Public License as published by
13 * the Free Software Foundation; either version 2 of the License, or
14 * (at your option) any later version.
16 * This program is distributed in the hope that it will be useful,
17 * but WITHOUT ANY WARRANTY; without even the implied warranty of
18 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
19 * GNU General Public License for more details.
21 * You should have received a copy of the GNU General Public License
22 * along with this program; if not, write to the Free Software
23 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
26 #include <linux/module.h>
27 #include <linux/delay.h>
28 #include <linux/isa.h>
31 #include <sound/core.h>
32 #include <sound/ad1848.h>
33 #include <sound/opl3.h>
34 #include <sound/mpu401.h>
35 #include <sound/control.h>
36 #define SNDRV_LEGACY_FIND_FREE_IRQ
37 #define SNDRV_LEGACY_FIND_FREE_DMA
38 #include <sound/initval.h>
40 MODULE_AUTHOR("Krzysztof Helt");
41 MODULE_DESCRIPTION("Gallant SC-6000");
42 MODULE_LICENSE("GPL");
43 MODULE_SUPPORTED_DEVICE("{{Gallant, SC-6000},"
44 "{AudioExcel, Audio Excel DSP 16},"
47 static int index[SNDRV_CARDS] = SNDRV_DEFAULT_IDX; /* Index 0-MAX */
48 static char *id[SNDRV_CARDS] = SNDRV_DEFAULT_STR; /* ID for this card */
49 static int enable[SNDRV_CARDS] = SNDRV_DEFAULT_ENABLE; /* Enable this card */
50 static long port[SNDRV_CARDS] = SNDRV_DEFAULT_PORT; /* 0x220, 0x240 */
51 static int irq[SNDRV_CARDS] = SNDRV_DEFAULT_IRQ; /* 5, 7, 9, 10, 11 */
52 static long mss_port[SNDRV_CARDS] = SNDRV_DEFAULT_PORT; /* 0x530, 0xe80 */
53 static long mpu_port[SNDRV_CARDS] = SNDRV_DEFAULT_PORT;
54 /* 0x300, 0x310, 0x320, 0x330 */
55 static int mpu_irq[SNDRV_CARDS] = SNDRV_DEFAULT_IRQ; /* 5, 7, 9, 10, 0 */
56 static int dma[SNDRV_CARDS] = SNDRV_DEFAULT_DMA; /* 0, 1, 3 */
58 module_param_array(index, int, NULL, 0444);
59 MODULE_PARM_DESC(index, "Index value for sc-6000 based soundcard.");
60 module_param_array(id, charp, NULL, 0444);
61 MODULE_PARM_DESC(id, "ID string for sc-6000 based soundcard.");
62 module_param_array(enable, bool, NULL, 0444);
63 MODULE_PARM_DESC(enable, "Enable sc-6000 based soundcard.");
64 module_param_array(port, long, NULL, 0444);
65 MODULE_PARM_DESC(port, "Port # for sc-6000 driver.");
66 module_param_array(mss_port, long, NULL, 0444);
67 MODULE_PARM_DESC(mss_port, "MSS Port # for sc-6000 driver.");
68 module_param_array(mpu_port, long, NULL, 0444);
69 MODULE_PARM_DESC(mpu_port, "MPU-401 port # for sc-6000 driver.");
70 module_param_array(irq, int, NULL, 0444);
71 MODULE_PARM_DESC(irq, "IRQ # for sc-6000 driver.");
72 module_param_array(mpu_irq, int, NULL, 0444);
73 MODULE_PARM_DESC(mpu_irq, "MPU-401 IRQ # for sc-6000 driver.");
74 module_param_array(dma, int, NULL, 0444);
75 MODULE_PARM_DESC(dma, "DMA # for sc-6000 driver.");
78 * Commands of SC6000's DSP (SBPRO+special).
79 * Some of them are COMMAND_xx, in the future they may change.
81 #define WRITE_MDIRQ_CFG 0x50 /* Set M&I&DRQ mask (the real config) */
82 #define COMMAND_52 0x52 /* */
83 #define READ_HARD_CFG 0x58 /* Read Hardware Config (I/O base etc) */
84 #define COMMAND_5C 0x5c /* */
85 #define COMMAND_60 0x60 /* */
86 #define COMMAND_66 0x66 /* */
87 #define COMMAND_6C 0x6c /* */
88 #define COMMAND_6E 0x6e /* */
89 #define COMMAND_88 0x88 /* Unknown command */
90 #define DSP_INIT_MSS 0x8c /* Enable Microsoft Sound System mode */
91 #define COMMAND_C5 0xc5 /* */
92 #define GET_DSP_VERSION 0xe1 /* Get DSP Version */
93 #define GET_DSP_COPYRIGHT 0xe3 /* Get DSP Copyright */
96 * Offsets of SC6000 DSP I/O ports. The offset is added to base I/O port
97 * to have the actual I/O port.
98 * Register permissions are:
104 #define DSP_RESET 0x06 /* offset of DSP RESET (wo) */
105 #define DSP_READ 0x0a /* offset of DSP READ (ro) */
106 #define DSP_WRITE 0x0c /* offset of DSP WRITE (w-) */
107 #define DSP_COMMAND 0x0c /* offset of DSP COMMAND (w-) */
108 #define DSP_STATUS 0x0c /* offset of DSP STATUS (r-) */
109 #define DSP_DATAVAIL 0x0e /* offset of DSP DATA AVAILABLE (ro) */
111 #define PFX "sc6000: "
112 #define DRV_NAME "SC-6000"
114 /* hardware dependent functions */
117 * sc6000_irq_to_softcfg - Decode irq number into cfg code.
119 static __devinit unsigned char sc6000_irq_to_softcfg(int irq)
121 unsigned char val = 0;
146 * sc6000_dma_to_softcfg - Decode dma number into cfg code.
148 static __devinit unsigned char sc6000_dma_to_softcfg(int dma)
150 unsigned char val = 0;
169 * sc6000_mpu_irq_to_softcfg - Decode MPU-401 irq number into cfg code.
171 static __devinit unsigned char sc6000_mpu_irq_to_softcfg(int mpu_irq)
173 unsigned char val = 0;
194 static __devinit int sc6000_wait_data(char __iomem *vport)
197 unsigned char val = 0;
200 val = ioread8(vport + DSP_DATAVAIL);
209 static __devinit int sc6000_read(char __iomem *vport)
211 if (sc6000_wait_data(vport))
214 return ioread8(vport + DSP_READ);
218 static __devinit int sc6000_write(char __iomem *vport, int cmd)
224 val = ioread8(vport + DSP_STATUS);
226 * DSP ready to receive data if bit 7 of val == 0
229 iowrite8(cmd, vport + DSP_COMMAND);
235 snd_printk(KERN_ERR "DSP Command (0x%x) timeout.\n", cmd);
240 static int __devinit sc6000_dsp_get_answer(char __iomem *vport, int command,
241 char *data, int data_len)
245 if (sc6000_write(vport, command)) {
246 snd_printk(KERN_ERR "CMD 0x%x: failed!\n", command);
251 int val = sc6000_read(vport);
258 } while (len < data_len);
261 * If no more data available, return to the caller, no error if len>0.
262 * We have no other way to know when the string is finished.
264 return len ? len : -EIO;
267 static int __devinit sc6000_dsp_reset(char __iomem *vport)
269 iowrite8(1, vport + DSP_RESET);
271 iowrite8(0, vport + DSP_RESET);
273 if (sc6000_read(vport) == 0xaa)
278 /* detection and initialization */
279 static int __devinit sc6000_cfg_write(char __iomem *vport,
280 unsigned char softcfg)
283 if (sc6000_write(vport, WRITE_MDIRQ_CFG)) {
284 snd_printk(KERN_ERR "CMD 0x%x: failed!\n", WRITE_MDIRQ_CFG);
287 if (sc6000_write(vport, softcfg)) {
288 snd_printk(KERN_ERR "sc6000_cfg_write: failed!\n");
294 static int __devinit sc6000_setup_board(char __iomem *vport, int config)
299 if (sc6000_write(vport, COMMAND_88)) {
300 snd_printk(KERN_ERR "CMD 0x%x: failed!\n",
304 } while ((sc6000_wait_data(vport) < 0) && loop--);
306 if (sc6000_read(vport) < 0) {
307 snd_printk(KERN_ERR "sc6000_read after CMD 0x%x: failed\n",
312 if (sc6000_cfg_write(vport, config))
318 static int __devinit sc6000_init_mss(char __iomem *vport, int config,
319 char __iomem *vmss_port, int mss_config)
321 if (sc6000_write(vport, DSP_INIT_MSS)) {
322 snd_printk(KERN_ERR "sc6000_init_mss [0x%x]: failed!\n",
329 if (sc6000_cfg_write(vport, config))
332 iowrite8(mss_config, vmss_port);
337 static int __devinit sc6000_init_board(char __iomem *vport, int irq, int dma,
338 char __iomem *vmss_port, int mpu_irq)
342 int mss_config = sc6000_irq_to_softcfg(irq) |
343 sc6000_dma_to_softcfg(dma);
344 int config = mss_config |
345 sc6000_mpu_irq_to_softcfg(mpu_irq);
348 err = sc6000_dsp_reset(vport);
350 snd_printk(KERN_ERR "sc6000_dsp_reset: failed!\n");
354 memset(answer, 0, sizeof(answer));
355 err = sc6000_dsp_get_answer(vport, GET_DSP_COPYRIGHT, answer, 15);
357 snd_printk(KERN_ERR "sc6000_dsp_copyright: failed!\n");
361 * My SC-6000 card return "SC-6000" in DSPCopyright, so
362 * if we have something different, we have to be warned.
363 * Mine returns "SC-6000A " - KH
365 if (strncmp("SC-6000", answer, 7))
366 snd_printk(KERN_WARNING "Warning: non SC-6000 audio card!\n");
368 if (sc6000_dsp_get_answer(vport, GET_DSP_VERSION, version, 2) < 2) {
369 snd_printk(KERN_ERR "sc6000_dsp_version: failed!\n");
372 printk(KERN_INFO PFX "Detected model: %s, DSP version %d.%d\n",
373 answer, version[0], version[1]);
376 * 0x0A == (IRQ 7, DMA 1, MIRQ 0)
378 err = sc6000_cfg_write(vport, 0x0a);
380 snd_printk(KERN_ERR "sc6000_cfg_write: failed!\n");
384 err = sc6000_setup_board(vport, config);
386 snd_printk(KERN_ERR "sc6000_setup_board: failed!\n");
390 err = sc6000_init_mss(vport, config, vmss_port, mss_config);
392 snd_printk(KERN_ERR "Can not initialize "
393 "Microsoft Sound System mode.\n");
400 static int __devinit snd_sc6000_mixer(struct snd_ad1848 *chip)
402 struct snd_card *card = chip->card;
403 struct snd_ctl_elem_id id1, id2;
406 memset(&id1, 0, sizeof(id1));
407 memset(&id2, 0, sizeof(id2));
408 id1.iface = SNDRV_CTL_ELEM_IFACE_MIXER;
409 id2.iface = SNDRV_CTL_ELEM_IFACE_MIXER;
410 /* reassign AUX0 to FM */
411 strcpy(id1.name, "Aux Playback Switch");
412 strcpy(id2.name, "FM Playback Switch");
413 err = snd_ctl_rename_id(card, &id1, &id2);
416 strcpy(id1.name, "Aux Playback Volume");
417 strcpy(id2.name, "FM Playback Volume");
418 err = snd_ctl_rename_id(card, &id1, &id2);
421 /* reassign AUX1 to CD */
422 strcpy(id1.name, "Aux Playback Switch"); id1.index = 1;
423 strcpy(id2.name, "CD Playback Switch");
424 err = snd_ctl_rename_id(card, &id1, &id2);
427 strcpy(id1.name, "Aux Playback Volume");
428 strcpy(id2.name, "CD Playback Volume");
429 err = snd_ctl_rename_id(card, &id1, &id2);
435 static int __devinit snd_sc6000_match(struct device *devptr, unsigned int dev)
439 if (port[dev] == SNDRV_AUTO_PORT) {
440 printk(KERN_ERR PFX "specify IO port\n");
443 if (mss_port[dev] == SNDRV_AUTO_PORT) {
444 printk(KERN_ERR PFX "specify MSS port\n");
447 if (port[dev] != 0x220 && port[dev] != 0x240) {
448 printk(KERN_ERR PFX "Port must be 0x220 or 0x240\n");
451 if (mss_port[dev] != 0x530 && mss_port[dev] != 0xe80) {
452 printk(KERN_ERR PFX "MSS port must be 0x530 or 0xe80\n");
455 if (irq[dev] != SNDRV_AUTO_IRQ && !sc6000_irq_to_softcfg(irq[dev])) {
456 printk(KERN_ERR PFX "invalid IRQ %d\n", irq[dev]);
459 if (dma[dev] != SNDRV_AUTO_DMA && !sc6000_dma_to_softcfg(dma[dev])) {
460 printk(KERN_ERR PFX "invalid DMA %d\n", dma[dev]);
463 if (mpu_port[dev] != SNDRV_AUTO_PORT &&
464 (mpu_port[dev] & ~0x30L) != 0x300) {
465 printk(KERN_ERR PFX "invalid MPU-401 port %lx\n",
469 if (mpu_port[dev] != SNDRV_AUTO_PORT &&
470 mpu_irq[dev] != SNDRV_AUTO_IRQ && mpu_irq[dev] != 0 &&
471 !sc6000_mpu_irq_to_softcfg(mpu_irq[dev])) {
472 printk(KERN_ERR PFX "invalid MPU-401 IRQ %d\n", mpu_irq[dev]);
478 static int __devinit snd_sc6000_probe(struct device *devptr, unsigned int dev)
480 static int possible_irqs[] = { 5, 7, 9, 10, 11, -1 };
481 static int possible_dmas[] = { 1, 3, 0, -1 };
485 struct snd_card *card;
486 struct snd_ad1848 *chip;
487 struct snd_opl3 *opl3;
489 char __iomem *vmss_port;
492 card = snd_card_new(index[dev], id[dev], THIS_MODULE, 0);
496 if (xirq == SNDRV_AUTO_IRQ) {
497 xirq = snd_legacy_find_free_irq(possible_irqs);
499 snd_printk(KERN_ERR PFX "unable to find a free IRQ\n");
505 if (xdma == SNDRV_AUTO_DMA) {
506 xdma = snd_legacy_find_free_dma(possible_dmas);
508 snd_printk(KERN_ERR PFX "unable to find a free DMA\n");
514 if (!request_region(port[dev], 0x10, DRV_NAME)) {
515 snd_printk(KERN_ERR PFX
516 "I/O port region is already in use.\n");
520 vport = devm_ioport_map(devptr, port[dev], 0x10);
522 snd_printk(KERN_ERR PFX
523 "I/O port cannot be iomaped.\n");
528 /* to make it marked as used */
529 if (!request_region(mss_port[dev], 4, DRV_NAME)) {
530 snd_printk(KERN_ERR PFX
531 "SC-6000 port I/O port region is already in use.\n");
535 vmss_port = devm_ioport_map(devptr, mss_port[dev], 4);
537 snd_printk(KERN_ERR PFX
538 "MSS port I/O cannot be iomaped.\n");
543 snd_printd("Initializing BASE[0x%lx] IRQ[%d] DMA[%d] MIRQ[%d]\n",
544 port[dev], xirq, xdma,
545 mpu_irq[dev] == SNDRV_AUTO_IRQ ? 0 : mpu_irq[dev]);
547 err = sc6000_init_board(vport, xirq, xdma, vmss_port, mpu_irq[dev]);
551 err = snd_ad1848_create(card, mss_port[dev] + 4, xirq, xdma,
552 AD1848_HW_DETECT, &chip);
555 card->private_data = chip;
557 err = snd_ad1848_pcm(chip, 0, NULL);
559 snd_printk(KERN_ERR PFX
560 "error creating new ad1848 PCM device\n");
563 err = snd_ad1848_mixer(chip);
565 snd_printk(KERN_ERR PFX "error creating new ad1848 mixer\n");
568 err = snd_sc6000_mixer(chip);
570 snd_printk(KERN_ERR PFX "the mixer rewrite failed\n");
573 if (snd_opl3_create(card,
575 OPL3_HW_AUTO, 0, &opl3) < 0) {
576 snd_printk(KERN_ERR PFX "no OPL device at 0x%x-0x%x ?\n",
579 err = snd_opl3_timer_new(opl3, 0, 1);
583 err = snd_opl3_hwdep_new(opl3, 0, 1, NULL);
588 if (mpu_port[dev] != SNDRV_AUTO_PORT) {
589 if (mpu_irq[dev] == SNDRV_AUTO_IRQ)
591 if (snd_mpu401_uart_new(card, 0,
594 mpu_irq[dev], IRQF_DISABLED,
596 snd_printk(KERN_ERR "no MPU-401 device at 0x%lx ?\n",
600 strcpy(card->driver, DRV_NAME);
601 strcpy(card->shortname, "SC-6000");
602 sprintf(card->longname, "Gallant SC-6000 at 0x%lx, irq %d, dma %d",
603 mss_port[dev], xirq, xdma);
605 snd_card_set_dev(card, devptr);
607 err = snd_card_register(card);
611 dev_set_drvdata(devptr, card);
615 release_region(mss_port[dev], 4);
617 release_region(port[dev], 0x10);
623 static int __devexit snd_sc6000_remove(struct device *devptr, unsigned int dev)
625 release_region(port[dev], 0x10);
626 release_region(mss_port[dev], 4);
628 snd_card_free(dev_get_drvdata(devptr));
629 dev_set_drvdata(devptr, NULL);
633 static struct isa_driver snd_sc6000_driver = {
634 .match = snd_sc6000_match,
635 .probe = snd_sc6000_probe,
636 .remove = __devexit_p(snd_sc6000_remove),
637 /* FIXME: suspend/resume */
644 static int __init alsa_card_sc6000_init(void)
646 return isa_register_driver(&snd_sc6000_driver, SNDRV_CARDS);
649 static void __exit alsa_card_sc6000_exit(void)
651 isa_unregister_driver(&snd_sc6000_driver);
654 module_init(alsa_card_sc6000_init)
655 module_exit(alsa_card_sc6000_exit)