1 | // SPDX-License-Identifier: GPL-2.0-or-later |
2 | /* |
3 | * Driver for Gallant SC-6000 soundcard. This card is also known as |
4 | * Audio Excel DSP 16 or Zoltrix AV302. |
5 | * These cards use CompuMedia ASC-9308 chip + AD1848 codec. |
6 | * SC-6600 and SC-7000 cards are also supported. They are based on |
7 | * CompuMedia ASC-9408 chip and CS4231 codec. |
8 | * |
9 | * Copyright (C) 2007 Krzysztof Helt <krzysztof.h1@wp.pl> |
10 | * |
11 | * I don't have documentation for this card. I used the driver |
12 | * for OSS/Free included in the kernel source as reference. |
13 | */ |
14 | |
15 | #include <linux/module.h> |
16 | #include <linux/delay.h> |
17 | #include <linux/isa.h> |
18 | #include <linux/io.h> |
19 | #include <asm/dma.h> |
20 | #include <sound/core.h> |
21 | #include <sound/wss.h> |
22 | #include <sound/opl3.h> |
23 | #include <sound/mpu401.h> |
24 | #include <sound/control.h> |
25 | #define SNDRV_LEGACY_FIND_FREE_IRQ |
26 | #define SNDRV_LEGACY_FIND_FREE_DMA |
27 | #include <sound/initval.h> |
28 | |
29 | MODULE_AUTHOR("Krzysztof Helt" ); |
30 | MODULE_DESCRIPTION("Gallant SC-6000" ); |
31 | MODULE_LICENSE("GPL" ); |
32 | |
33 | static int index[SNDRV_CARDS] = SNDRV_DEFAULT_IDX; /* Index 0-MAX */ |
34 | static char *id[SNDRV_CARDS] = SNDRV_DEFAULT_STR; /* ID for this card */ |
35 | static bool enable[SNDRV_CARDS] = SNDRV_DEFAULT_ENABLE; /* Enable this card */ |
36 | static long port[SNDRV_CARDS] = SNDRV_DEFAULT_PORT; /* 0x220, 0x240 */ |
37 | static int irq[SNDRV_CARDS] = SNDRV_DEFAULT_IRQ; /* 5, 7, 9, 10, 11 */ |
38 | static long mss_port[SNDRV_CARDS] = SNDRV_DEFAULT_PORT; /* 0x530, 0xe80 */ |
39 | static long mpu_port[SNDRV_CARDS] = SNDRV_DEFAULT_PORT; |
40 | /* 0x300, 0x310, 0x320, 0x330 */ |
41 | static int mpu_irq[SNDRV_CARDS] = SNDRV_DEFAULT_IRQ; /* 5, 7, 9, 10, 0 */ |
42 | static int dma[SNDRV_CARDS] = SNDRV_DEFAULT_DMA; /* 0, 1, 3 */ |
43 | static bool joystick[SNDRV_CARDS] = { [0 ... (SNDRV_CARDS-1)] = false }; |
44 | |
45 | module_param_array(index, int, NULL, 0444); |
46 | MODULE_PARM_DESC(index, "Index value for sc-6000 based soundcard." ); |
47 | module_param_array(id, charp, NULL, 0444); |
48 | MODULE_PARM_DESC(id, "ID string for sc-6000 based soundcard." ); |
49 | module_param_array(enable, bool, NULL, 0444); |
50 | MODULE_PARM_DESC(enable, "Enable sc-6000 based soundcard." ); |
51 | module_param_hw_array(port, long, ioport, NULL, 0444); |
52 | MODULE_PARM_DESC(port, "Port # for sc-6000 driver." ); |
53 | module_param_hw_array(mss_port, long, ioport, NULL, 0444); |
54 | MODULE_PARM_DESC(mss_port, "MSS Port # for sc-6000 driver." ); |
55 | module_param_hw_array(mpu_port, long, ioport, NULL, 0444); |
56 | MODULE_PARM_DESC(mpu_port, "MPU-401 port # for sc-6000 driver." ); |
57 | module_param_hw_array(irq, int, irq, NULL, 0444); |
58 | MODULE_PARM_DESC(irq, "IRQ # for sc-6000 driver." ); |
59 | module_param_hw_array(mpu_irq, int, irq, NULL, 0444); |
60 | MODULE_PARM_DESC(mpu_irq, "MPU-401 IRQ # for sc-6000 driver." ); |
61 | module_param_hw_array(dma, int, dma, NULL, 0444); |
62 | MODULE_PARM_DESC(dma, "DMA # for sc-6000 driver." ); |
63 | module_param_array(joystick, bool, NULL, 0444); |
64 | MODULE_PARM_DESC(joystick, "Enable gameport." ); |
65 | |
66 | /* |
67 | * Commands of SC6000's DSP (SBPRO+special). |
68 | * Some of them are COMMAND_xx, in the future they may change. |
69 | */ |
70 | #define WRITE_MDIRQ_CFG 0x50 /* Set M&I&DRQ mask (the real config) */ |
71 | #define COMMAND_52 0x52 /* */ |
72 | #define READ_HARD_CFG 0x58 /* Read Hardware Config (I/O base etc) */ |
73 | #define COMMAND_5C 0x5c /* */ |
74 | #define COMMAND_60 0x60 /* */ |
75 | #define COMMAND_66 0x66 /* */ |
76 | #define COMMAND_6C 0x6c /* */ |
77 | #define COMMAND_6E 0x6e /* */ |
78 | #define COMMAND_88 0x88 /* Unknown command */ |
79 | #define DSP_INIT_MSS 0x8c /* Enable Microsoft Sound System mode */ |
80 | #define COMMAND_C5 0xc5 /* */ |
81 | #define GET_DSP_VERSION 0xe1 /* Get DSP Version */ |
82 | #define GET_DSP_COPYRIGHT 0xe3 /* Get DSP Copyright */ |
83 | |
84 | /* |
85 | * Offsets of SC6000 DSP I/O ports. The offset is added to base I/O port |
86 | * to have the actual I/O port. |
87 | * Register permissions are: |
88 | * (wo) == Write Only |
89 | * (ro) == Read Only |
90 | * (w-) == Write |
91 | * (r-) == Read |
92 | */ |
93 | #define DSP_RESET 0x06 /* offset of DSP RESET (wo) */ |
94 | #define DSP_READ 0x0a /* offset of DSP READ (ro) */ |
95 | #define DSP_WRITE 0x0c /* offset of DSP WRITE (w-) */ |
96 | #define DSP_COMMAND 0x0c /* offset of DSP COMMAND (w-) */ |
97 | #define DSP_STATUS 0x0c /* offset of DSP STATUS (r-) */ |
98 | #define DSP_DATAVAIL 0x0e /* offset of DSP DATA AVAILABLE (ro) */ |
99 | |
100 | #define PFX "sc6000: " |
101 | #define DRV_NAME "SC-6000" |
102 | |
103 | /* hardware dependent functions */ |
104 | |
105 | /* |
106 | * sc6000_irq_to_softcfg - Decode irq number into cfg code. |
107 | */ |
108 | static unsigned char sc6000_irq_to_softcfg(int irq) |
109 | { |
110 | unsigned char val = 0; |
111 | |
112 | switch (irq) { |
113 | case 5: |
114 | val = 0x28; |
115 | break; |
116 | case 7: |
117 | val = 0x8; |
118 | break; |
119 | case 9: |
120 | val = 0x10; |
121 | break; |
122 | case 10: |
123 | val = 0x18; |
124 | break; |
125 | case 11: |
126 | val = 0x20; |
127 | break; |
128 | default: |
129 | break; |
130 | } |
131 | return val; |
132 | } |
133 | |
134 | /* |
135 | * sc6000_dma_to_softcfg - Decode dma number into cfg code. |
136 | */ |
137 | static unsigned char sc6000_dma_to_softcfg(int dma) |
138 | { |
139 | unsigned char val = 0; |
140 | |
141 | switch (dma) { |
142 | case 0: |
143 | val = 1; |
144 | break; |
145 | case 1: |
146 | val = 2; |
147 | break; |
148 | case 3: |
149 | val = 3; |
150 | break; |
151 | default: |
152 | break; |
153 | } |
154 | return val; |
155 | } |
156 | |
157 | /* |
158 | * sc6000_mpu_irq_to_softcfg - Decode MPU-401 irq number into cfg code. |
159 | */ |
160 | static unsigned char sc6000_mpu_irq_to_softcfg(int mpu_irq) |
161 | { |
162 | unsigned char val = 0; |
163 | |
164 | switch (mpu_irq) { |
165 | case 5: |
166 | val = 4; |
167 | break; |
168 | case 7: |
169 | val = 0x44; |
170 | break; |
171 | case 9: |
172 | val = 0x84; |
173 | break; |
174 | case 10: |
175 | val = 0xc4; |
176 | break; |
177 | default: |
178 | break; |
179 | } |
180 | return val; |
181 | } |
182 | |
183 | static int sc6000_wait_data(char __iomem *vport) |
184 | { |
185 | int loop = 1000; |
186 | unsigned char val = 0; |
187 | |
188 | do { |
189 | val = ioread8(vport + DSP_DATAVAIL); |
190 | if (val & 0x80) |
191 | return 0; |
192 | cpu_relax(); |
193 | } while (loop--); |
194 | |
195 | return -EAGAIN; |
196 | } |
197 | |
198 | static int sc6000_read(char __iomem *vport) |
199 | { |
200 | if (sc6000_wait_data(vport)) |
201 | return -EBUSY; |
202 | |
203 | return ioread8(vport + DSP_READ); |
204 | |
205 | } |
206 | |
207 | static int sc6000_write(char __iomem *vport, int cmd) |
208 | { |
209 | unsigned char val; |
210 | int loop = 500000; |
211 | |
212 | do { |
213 | val = ioread8(vport + DSP_STATUS); |
214 | /* |
215 | * DSP ready to receive data if bit 7 of val == 0 |
216 | */ |
217 | if (!(val & 0x80)) { |
218 | iowrite8(cmd, vport + DSP_COMMAND); |
219 | return 0; |
220 | } |
221 | cpu_relax(); |
222 | } while (loop--); |
223 | |
224 | snd_printk(KERN_ERR "DSP Command (0x%x) timeout.\n" , cmd); |
225 | |
226 | return -EIO; |
227 | } |
228 | |
229 | static int sc6000_dsp_get_answer(char __iomem *vport, int command, |
230 | char *data, int data_len) |
231 | { |
232 | int len = 0; |
233 | |
234 | if (sc6000_write(vport, cmd: command)) { |
235 | snd_printk(KERN_ERR "CMD 0x%x: failed!\n" , command); |
236 | return -EIO; |
237 | } |
238 | |
239 | do { |
240 | int val = sc6000_read(vport); |
241 | |
242 | if (val < 0) |
243 | break; |
244 | |
245 | data[len++] = val; |
246 | |
247 | } while (len < data_len); |
248 | |
249 | /* |
250 | * If no more data available, return to the caller, no error if len>0. |
251 | * We have no other way to know when the string is finished. |
252 | */ |
253 | return len ? len : -EIO; |
254 | } |
255 | |
256 | static int sc6000_dsp_reset(char __iomem *vport) |
257 | { |
258 | iowrite8(1, vport + DSP_RESET); |
259 | udelay(10); |
260 | iowrite8(0, vport + DSP_RESET); |
261 | udelay(20); |
262 | if (sc6000_read(vport) == 0xaa) |
263 | return 0; |
264 | return -ENODEV; |
265 | } |
266 | |
267 | /* detection and initialization */ |
268 | static int sc6000_hw_cfg_write(char __iomem *vport, const int *cfg) |
269 | { |
270 | if (sc6000_write(vport, COMMAND_6C) < 0) { |
271 | snd_printk(KERN_WARNING "CMD 0x%x: failed!\n" , COMMAND_6C); |
272 | return -EIO; |
273 | } |
274 | if (sc6000_write(vport, COMMAND_5C) < 0) { |
275 | snd_printk(KERN_ERR "CMD 0x%x: failed!\n" , COMMAND_5C); |
276 | return -EIO; |
277 | } |
278 | if (sc6000_write(vport, cmd: cfg[0]) < 0) { |
279 | snd_printk(KERN_ERR "DATA 0x%x: failed!\n" , cfg[0]); |
280 | return -EIO; |
281 | } |
282 | if (sc6000_write(vport, cmd: cfg[1]) < 0) { |
283 | snd_printk(KERN_ERR "DATA 0x%x: failed!\n" , cfg[1]); |
284 | return -EIO; |
285 | } |
286 | if (sc6000_write(vport, COMMAND_C5) < 0) { |
287 | snd_printk(KERN_ERR "CMD 0x%x: failed!\n" , COMMAND_C5); |
288 | return -EIO; |
289 | } |
290 | |
291 | return 0; |
292 | } |
293 | |
294 | static int sc6000_cfg_write(char __iomem *vport, unsigned char softcfg) |
295 | { |
296 | |
297 | if (sc6000_write(vport, WRITE_MDIRQ_CFG)) { |
298 | snd_printk(KERN_ERR "CMD 0x%x: failed!\n" , WRITE_MDIRQ_CFG); |
299 | return -EIO; |
300 | } |
301 | if (sc6000_write(vport, cmd: softcfg)) { |
302 | snd_printk(KERN_ERR "sc6000_cfg_write: failed!\n" ); |
303 | return -EIO; |
304 | } |
305 | return 0; |
306 | } |
307 | |
308 | static int sc6000_setup_board(char __iomem *vport, int config) |
309 | { |
310 | int loop = 10; |
311 | |
312 | do { |
313 | if (sc6000_write(vport, COMMAND_88)) { |
314 | snd_printk(KERN_ERR "CMD 0x%x: failed!\n" , |
315 | COMMAND_88); |
316 | return -EIO; |
317 | } |
318 | } while ((sc6000_wait_data(vport) < 0) && loop--); |
319 | |
320 | if (sc6000_read(vport) < 0) { |
321 | snd_printk(KERN_ERR "sc6000_read after CMD 0x%x: failed\n" , |
322 | COMMAND_88); |
323 | return -EIO; |
324 | } |
325 | |
326 | if (sc6000_cfg_write(vport, softcfg: config)) |
327 | return -ENODEV; |
328 | |
329 | return 0; |
330 | } |
331 | |
332 | static int sc6000_init_mss(char __iomem *vport, int config, |
333 | char __iomem *vmss_port, int mss_config) |
334 | { |
335 | if (sc6000_write(vport, DSP_INIT_MSS)) { |
336 | snd_printk(KERN_ERR "sc6000_init_mss [0x%x]: failed!\n" , |
337 | DSP_INIT_MSS); |
338 | return -EIO; |
339 | } |
340 | |
341 | msleep(msecs: 10); |
342 | |
343 | if (sc6000_cfg_write(vport, softcfg: config)) |
344 | return -EIO; |
345 | |
346 | iowrite8(mss_config, vmss_port); |
347 | |
348 | return 0; |
349 | } |
350 | |
351 | static void sc6000_hw_cfg_encode(char __iomem *vport, int *cfg, |
352 | long xport, long xmpu, |
353 | long xmss_port, int joystick) |
354 | { |
355 | cfg[0] = 0; |
356 | cfg[1] = 0; |
357 | if (xport == 0x240) |
358 | cfg[0] |= 1; |
359 | if (xmpu != SNDRV_AUTO_PORT) { |
360 | cfg[0] |= (xmpu & 0x30) >> 2; |
361 | cfg[1] |= 0x20; |
362 | } |
363 | if (xmss_port == 0xe80) |
364 | cfg[0] |= 0x10; |
365 | cfg[0] |= 0x40; /* always set */ |
366 | if (!joystick) |
367 | cfg[0] |= 0x02; |
368 | cfg[1] |= 0x80; /* enable WSS system */ |
369 | cfg[1] &= ~0x40; /* disable IDE */ |
370 | snd_printd("hw cfg %x, %x\n" , cfg[0], cfg[1]); |
371 | } |
372 | |
373 | static int sc6000_init_board(char __iomem *vport, |
374 | char __iomem *vmss_port, int dev) |
375 | { |
376 | char answer[15]; |
377 | char version[2]; |
378 | int mss_config = sc6000_irq_to_softcfg(irq: irq[dev]) | |
379 | sc6000_dma_to_softcfg(dma: dma[dev]); |
380 | int config = mss_config | |
381 | sc6000_mpu_irq_to_softcfg(mpu_irq: mpu_irq[dev]); |
382 | int err; |
383 | int old = 0; |
384 | |
385 | err = sc6000_dsp_reset(vport); |
386 | if (err < 0) { |
387 | snd_printk(KERN_ERR "sc6000_dsp_reset: failed!\n" ); |
388 | return err; |
389 | } |
390 | |
391 | memset(answer, 0, sizeof(answer)); |
392 | err = sc6000_dsp_get_answer(vport, GET_DSP_COPYRIGHT, data: answer, data_len: 15); |
393 | if (err <= 0) { |
394 | snd_printk(KERN_ERR "sc6000_dsp_copyright: failed!\n" ); |
395 | return -ENODEV; |
396 | } |
397 | /* |
398 | * My SC-6000 card return "SC-6000" in DSPCopyright, so |
399 | * if we have something different, we have to be warned. |
400 | */ |
401 | if (strncmp("SC-6000" , answer, 7)) |
402 | snd_printk(KERN_WARNING "Warning: non SC-6000 audio card!\n" ); |
403 | |
404 | if (sc6000_dsp_get_answer(vport, GET_DSP_VERSION, data: version, data_len: 2) < 2) { |
405 | snd_printk(KERN_ERR "sc6000_dsp_version: failed!\n" ); |
406 | return -ENODEV; |
407 | } |
408 | printk(KERN_INFO PFX "Detected model: %s, DSP version %d.%d\n" , |
409 | answer, version[0], version[1]); |
410 | |
411 | /* set configuration */ |
412 | sc6000_write(vport, COMMAND_5C); |
413 | if (sc6000_read(vport) < 0) |
414 | old = 1; |
415 | |
416 | if (!old) { |
417 | int cfg[2]; |
418 | sc6000_hw_cfg_encode(vport, cfg: &cfg[0], xport: port[dev], xmpu: mpu_port[dev], |
419 | xmss_port: mss_port[dev], joystick: joystick[dev]); |
420 | if (sc6000_hw_cfg_write(vport, cfg) < 0) { |
421 | snd_printk(KERN_ERR "sc6000_hw_cfg_write: failed!\n" ); |
422 | return -EIO; |
423 | } |
424 | } |
425 | err = sc6000_setup_board(vport, config); |
426 | if (err < 0) { |
427 | snd_printk(KERN_ERR "sc6000_setup_board: failed!\n" ); |
428 | return -ENODEV; |
429 | } |
430 | |
431 | sc6000_dsp_reset(vport); |
432 | |
433 | if (!old) { |
434 | sc6000_write(vport, COMMAND_60); |
435 | sc6000_write(vport, cmd: 0x02); |
436 | sc6000_dsp_reset(vport); |
437 | } |
438 | |
439 | err = sc6000_setup_board(vport, config); |
440 | if (err < 0) { |
441 | snd_printk(KERN_ERR "sc6000_setup_board: failed!\n" ); |
442 | return -ENODEV; |
443 | } |
444 | err = sc6000_init_mss(vport, config, vmss_port, mss_config); |
445 | if (err < 0) { |
446 | snd_printk(KERN_ERR "Cannot initialize " |
447 | "Microsoft Sound System mode.\n" ); |
448 | return -ENODEV; |
449 | } |
450 | |
451 | return 0; |
452 | } |
453 | |
454 | static int snd_sc6000_mixer(struct snd_wss *chip) |
455 | { |
456 | struct snd_card *card = chip->card; |
457 | struct snd_ctl_elem_id id1, id2; |
458 | int err; |
459 | |
460 | memset(&id1, 0, sizeof(id1)); |
461 | memset(&id2, 0, sizeof(id2)); |
462 | id1.iface = SNDRV_CTL_ELEM_IFACE_MIXER; |
463 | id2.iface = SNDRV_CTL_ELEM_IFACE_MIXER; |
464 | /* reassign AUX0 to FM */ |
465 | strcpy(p: id1.name, q: "Aux Playback Switch" ); |
466 | strcpy(p: id2.name, q: "FM Playback Switch" ); |
467 | err = snd_ctl_rename_id(card, src_id: &id1, dst_id: &id2); |
468 | if (err < 0) |
469 | return err; |
470 | strcpy(p: id1.name, q: "Aux Playback Volume" ); |
471 | strcpy(p: id2.name, q: "FM Playback Volume" ); |
472 | err = snd_ctl_rename_id(card, src_id: &id1, dst_id: &id2); |
473 | if (err < 0) |
474 | return err; |
475 | /* reassign AUX1 to CD */ |
476 | strcpy(p: id1.name, q: "Aux Playback Switch" ); id1.index = 1; |
477 | strcpy(p: id2.name, q: "CD Playback Switch" ); |
478 | err = snd_ctl_rename_id(card, src_id: &id1, dst_id: &id2); |
479 | if (err < 0) |
480 | return err; |
481 | strcpy(p: id1.name, q: "Aux Playback Volume" ); |
482 | strcpy(p: id2.name, q: "CD Playback Volume" ); |
483 | err = snd_ctl_rename_id(card, src_id: &id1, dst_id: &id2); |
484 | if (err < 0) |
485 | return err; |
486 | return 0; |
487 | } |
488 | |
489 | static int snd_sc6000_match(struct device *devptr, unsigned int dev) |
490 | { |
491 | if (!enable[dev]) |
492 | return 0; |
493 | if (port[dev] == SNDRV_AUTO_PORT) { |
494 | printk(KERN_ERR PFX "specify IO port\n" ); |
495 | return 0; |
496 | } |
497 | if (mss_port[dev] == SNDRV_AUTO_PORT) { |
498 | printk(KERN_ERR PFX "specify MSS port\n" ); |
499 | return 0; |
500 | } |
501 | if (port[dev] != 0x220 && port[dev] != 0x240) { |
502 | printk(KERN_ERR PFX "Port must be 0x220 or 0x240\n" ); |
503 | return 0; |
504 | } |
505 | if (mss_port[dev] != 0x530 && mss_port[dev] != 0xe80) { |
506 | printk(KERN_ERR PFX "MSS port must be 0x530 or 0xe80\n" ); |
507 | return 0; |
508 | } |
509 | if (irq[dev] != SNDRV_AUTO_IRQ && !sc6000_irq_to_softcfg(irq: irq[dev])) { |
510 | printk(KERN_ERR PFX "invalid IRQ %d\n" , irq[dev]); |
511 | return 0; |
512 | } |
513 | if (dma[dev] != SNDRV_AUTO_DMA && !sc6000_dma_to_softcfg(dma: dma[dev])) { |
514 | printk(KERN_ERR PFX "invalid DMA %d\n" , dma[dev]); |
515 | return 0; |
516 | } |
517 | if (mpu_port[dev] != SNDRV_AUTO_PORT && |
518 | (mpu_port[dev] & ~0x30L) != 0x300) { |
519 | printk(KERN_ERR PFX "invalid MPU-401 port %lx\n" , |
520 | mpu_port[dev]); |
521 | return 0; |
522 | } |
523 | if (mpu_port[dev] != SNDRV_AUTO_PORT && |
524 | mpu_irq[dev] != SNDRV_AUTO_IRQ && mpu_irq[dev] != 0 && |
525 | !sc6000_mpu_irq_to_softcfg(mpu_irq: mpu_irq[dev])) { |
526 | printk(KERN_ERR PFX "invalid MPU-401 IRQ %d\n" , mpu_irq[dev]); |
527 | return 0; |
528 | } |
529 | return 1; |
530 | } |
531 | |
532 | static void snd_sc6000_free(struct snd_card *card) |
533 | { |
534 | char __iomem *vport = (char __force __iomem *)card->private_data; |
535 | |
536 | if (vport) |
537 | sc6000_setup_board(vport, config: 0); |
538 | } |
539 | |
540 | static int __snd_sc6000_probe(struct device *devptr, unsigned int dev) |
541 | { |
542 | static const int possible_irqs[] = { 5, 7, 9, 10, 11, -1 }; |
543 | static const int possible_dmas[] = { 1, 3, 0, -1 }; |
544 | int err; |
545 | int xirq = irq[dev]; |
546 | int xdma = dma[dev]; |
547 | struct snd_card *card; |
548 | struct snd_wss *chip; |
549 | struct snd_opl3 *opl3; |
550 | char __iomem *vport; |
551 | char __iomem *vmss_port; |
552 | |
553 | err = snd_devm_card_new(parent: devptr, idx: index[dev], xid: id[dev], THIS_MODULE, |
554 | extra_size: 0, card_ret: &card); |
555 | if (err < 0) |
556 | return err; |
557 | |
558 | if (xirq == SNDRV_AUTO_IRQ) { |
559 | xirq = snd_legacy_find_free_irq(irq_table: possible_irqs); |
560 | if (xirq < 0) { |
561 | snd_printk(KERN_ERR PFX "unable to find a free IRQ\n" ); |
562 | return -EBUSY; |
563 | } |
564 | } |
565 | |
566 | if (xdma == SNDRV_AUTO_DMA) { |
567 | xdma = snd_legacy_find_free_dma(dma_table: possible_dmas); |
568 | if (xdma < 0) { |
569 | snd_printk(KERN_ERR PFX "unable to find a free DMA\n" ); |
570 | return -EBUSY; |
571 | } |
572 | } |
573 | |
574 | if (!devm_request_region(devptr, port[dev], 0x10, DRV_NAME)) { |
575 | snd_printk(KERN_ERR PFX |
576 | "I/O port region is already in use.\n" ); |
577 | return -EBUSY; |
578 | } |
579 | vport = devm_ioport_map(dev: devptr, port: port[dev], nr: 0x10); |
580 | if (!vport) { |
581 | snd_printk(KERN_ERR PFX |
582 | "I/O port cannot be iomapped.\n" ); |
583 | return -EBUSY; |
584 | } |
585 | card->private_data = (void __force *)vport; |
586 | |
587 | /* to make it marked as used */ |
588 | if (!devm_request_region(devptr, mss_port[dev], 4, DRV_NAME)) { |
589 | snd_printk(KERN_ERR PFX |
590 | "SC-6000 port I/O port region is already in use.\n" ); |
591 | return -EBUSY; |
592 | } |
593 | vmss_port = devm_ioport_map(dev: devptr, port: mss_port[dev], nr: 4); |
594 | if (!vmss_port) { |
595 | snd_printk(KERN_ERR PFX |
596 | "MSS port I/O cannot be iomapped.\n" ); |
597 | return -EBUSY; |
598 | } |
599 | |
600 | snd_printd("Initializing BASE[0x%lx] IRQ[%d] DMA[%d] MIRQ[%d]\n" , |
601 | port[dev], xirq, xdma, |
602 | mpu_irq[dev] == SNDRV_AUTO_IRQ ? 0 : mpu_irq[dev]); |
603 | |
604 | err = sc6000_init_board(vport, vmss_port, dev); |
605 | if (err < 0) |
606 | return err; |
607 | card->private_free = snd_sc6000_free; |
608 | |
609 | err = snd_wss_create(card, port: mss_port[dev] + 4, cport: -1, irq: xirq, dma1: xdma, dma2: -1, |
610 | WSS_HW_DETECT, hwshare: 0, rchip: &chip); |
611 | if (err < 0) |
612 | return err; |
613 | |
614 | err = snd_wss_pcm(chip, device: 0); |
615 | if (err < 0) { |
616 | snd_printk(KERN_ERR PFX |
617 | "error creating new WSS PCM device\n" ); |
618 | return err; |
619 | } |
620 | err = snd_wss_mixer(chip); |
621 | if (err < 0) { |
622 | snd_printk(KERN_ERR PFX "error creating new WSS mixer\n" ); |
623 | return err; |
624 | } |
625 | err = snd_sc6000_mixer(chip); |
626 | if (err < 0) { |
627 | snd_printk(KERN_ERR PFX "the mixer rewrite failed\n" ); |
628 | return err; |
629 | } |
630 | if (snd_opl3_create(card, |
631 | l_port: 0x388, r_port: 0x388 + 2, |
632 | OPL3_HW_AUTO, integrated: 0, opl3: &opl3) < 0) { |
633 | snd_printk(KERN_ERR PFX "no OPL device at 0x%x-0x%x ?\n" , |
634 | 0x388, 0x388 + 2); |
635 | } else { |
636 | err = snd_opl3_hwdep_new(opl3, device: 0, seq_device: 1, NULL); |
637 | if (err < 0) |
638 | return err; |
639 | } |
640 | |
641 | if (mpu_port[dev] != SNDRV_AUTO_PORT) { |
642 | if (mpu_irq[dev] == SNDRV_AUTO_IRQ) |
643 | mpu_irq[dev] = -1; |
644 | if (snd_mpu401_uart_new(card, device: 0, |
645 | MPU401_HW_MPU401, |
646 | port: mpu_port[dev], info_flags: 0, |
647 | irq: mpu_irq[dev], NULL) < 0) |
648 | snd_printk(KERN_ERR "no MPU-401 device at 0x%lx ?\n" , |
649 | mpu_port[dev]); |
650 | } |
651 | |
652 | strcpy(p: card->driver, DRV_NAME); |
653 | strcpy(p: card->shortname, q: "SC-6000" ); |
654 | sprintf(buf: card->longname, fmt: "Gallant SC-6000 at 0x%lx, irq %d, dma %d" , |
655 | mss_port[dev], xirq, xdma); |
656 | |
657 | err = snd_card_register(card); |
658 | if (err < 0) |
659 | return err; |
660 | |
661 | dev_set_drvdata(dev: devptr, data: card); |
662 | return 0; |
663 | } |
664 | |
665 | static int snd_sc6000_probe(struct device *devptr, unsigned int dev) |
666 | { |
667 | return snd_card_free_on_error(dev: devptr, ret: __snd_sc6000_probe(devptr, dev)); |
668 | } |
669 | |
670 | static struct isa_driver snd_sc6000_driver = { |
671 | .match = snd_sc6000_match, |
672 | .probe = snd_sc6000_probe, |
673 | /* FIXME: suspend/resume */ |
674 | .driver = { |
675 | .name = DRV_NAME, |
676 | }, |
677 | }; |
678 | |
679 | |
680 | module_isa_driver(snd_sc6000_driver, SNDRV_CARDS); |
681 | |