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1da177e4 LT |
1 | /* |
2 | * Copyright 1999 Jaroslav Kysela <perex@suse.cz> | |
3 | * Copyright 2000 Alan Cox <alan@redhat.com> | |
4 | * Copyright 2001 Kai Germaschewski <kai@tp1.ruhr-uni-bochum.de> | |
5 | * Copyright 2002 Pete Zaitcev <zaitcev@yahoo.com> | |
6 | * | |
7 | * Yamaha YMF7xx driver. | |
8 | * | |
9 | * This code is a result of high-speed collision | |
10 | * between ymfpci.c of ALSA and cs46xx.c of Linux. | |
11 | * -- Pete Zaitcev <zaitcev@yahoo.com>; 2000/09/18 | |
12 | * | |
13 | * This program is free software; you can redistribute it and/or modify | |
14 | * it under the terms of the GNU General Public License as published by | |
15 | * the Free Software Foundation; either version 2 of the License, or | |
16 | * (at your option) any later version. | |
17 | * | |
18 | * This program is distributed in the hope that it will be useful, | |
19 | * but WITHOUT ANY WARRANTY; without even the implied warranty of | |
20 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
21 | * GNU General Public License for more details. | |
22 | * | |
23 | * You should have received a copy of the GNU General Public License | |
24 | * along with this program; if not, write to the Free Software | |
25 | * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. | |
26 | * | |
27 | * TODO: | |
28 | * - Use P44Slot for 44.1 playback (beware of idle buzzing in P44Slot). | |
29 | * - 96KHz playback for DVD - use pitch of 2.0. | |
30 | * - Retain DMA buffer on close, do not wait the end of frame. | |
31 | * - Resolve XXX tagged questions. | |
32 | * - Cannot play 5133Hz. | |
33 | * - 2001/01/07 Consider if we can remove voice_lock, like so: | |
34 | * : Allocate/deallocate voices in open/close under semafore. | |
35 | * : We access voices in interrupt, that only for pcms that open. | |
36 | * voice_lock around playback_prepare closes interrupts for insane duration. | |
37 | * - Revisit the way voice_alloc is done - too confusing, overcomplicated. | |
38 | * Should support various channel types, however. | |
39 | * - Remove prog_dmabuf from read/write, leave it in open. | |
40 | * - 2001/01/07 Replace the OPL3 part of CONFIG_SOUND_YMFPCI_LEGACY code with | |
41 | * native synthesizer through a playback slot. | |
42 | * - 2001/11/29 ac97_save_state | |
43 | * Talk to Kai to remove ac97_save_state before it's too late! | |
44 | * - Second AC97 | |
45 | * - Restore S/PDIF - Toshibas have it. | |
46 | * | |
47 | * Kai used pci_alloc_consistent for DMA buffer, which sounds a little | |
48 | * unconventional. However, given how small our fragments can be, | |
49 | * a little uncached access is perhaps better than endless flushing. | |
50 | * On i386 and other I/O-coherent architectures pci_alloc_consistent | |
51 | * is entirely harmless. | |
52 | */ | |
53 | ||
54 | #include <linux/config.h> | |
55 | #include <linux/module.h> | |
56 | #include <linux/init.h> | |
57 | #include <linux/interrupt.h> | |
58 | #include <linux/ioport.h> | |
59 | #include <linux/delay.h> | |
60 | #include <linux/pci.h> | |
61 | #include <linux/slab.h> | |
62 | #include <linux/poll.h> | |
63 | #include <linux/soundcard.h> | |
64 | #include <linux/ac97_codec.h> | |
65 | #include <linux/sound.h> | |
66 | ||
67 | #include <asm/io.h> | |
68 | #include <asm/dma.h> | |
69 | #include <asm/uaccess.h> | |
70 | ||
71 | #ifdef CONFIG_SOUND_YMFPCI_LEGACY | |
72 | # include "sound_config.h" | |
73 | # include "mpu401.h" | |
74 | #endif | |
75 | #include "ymfpci.h" | |
76 | ||
77 | /* | |
78 | * I do not believe in debug levels as I never can guess what | |
79 | * part of the code is going to be problematic in the future. | |
80 | * Don't forget to run your klogd with -c 8. | |
81 | * | |
82 | * Example (do not remove): | |
83 | * #define YMFDBG(fmt, arg...) do{ printk(KERN_DEBUG fmt, ##arg); }while(0) | |
84 | */ | |
85 | #define YMFDBGW(fmt, arg...) /* */ /* write counts */ | |
86 | #define YMFDBGI(fmt, arg...) /* */ /* interrupts */ | |
87 | #define YMFDBGX(fmt, arg...) /* */ /* ioctl */ | |
88 | ||
89 | static int ymf_playback_trigger(ymfpci_t *unit, struct ymf_pcm *ypcm, int cmd); | |
90 | static void ymf_capture_trigger(ymfpci_t *unit, struct ymf_pcm *ypcm, int cmd); | |
91 | static void ymfpci_voice_free(ymfpci_t *unit, ymfpci_voice_t *pvoice); | |
92 | static int ymf_capture_alloc(struct ymf_unit *unit, int *pbank); | |
93 | static int ymf_playback_prepare(struct ymf_state *state); | |
94 | static int ymf_capture_prepare(struct ymf_state *state); | |
95 | static struct ymf_state *ymf_state_alloc(ymfpci_t *unit); | |
96 | ||
97 | static void ymfpci_aclink_reset(struct pci_dev * pci); | |
98 | static void ymfpci_disable_dsp(ymfpci_t *unit); | |
99 | static void ymfpci_download_image(ymfpci_t *codec); | |
100 | static void ymf_memload(ymfpci_t *unit); | |
101 | ||
102 | static DEFINE_SPINLOCK(ymf_devs_lock); | |
103 | static LIST_HEAD(ymf_devs); | |
104 | ||
105 | /* | |
106 | * constants | |
107 | */ | |
108 | ||
109 | static struct pci_device_id ymf_id_tbl[] = { | |
110 | #define DEV(v, d, data) \ | |
111 | { PCI_VENDOR_ID_##v, PCI_DEVICE_ID_##v##_##d, PCI_ANY_ID, PCI_ANY_ID, 0, 0, (unsigned long)data } | |
112 | DEV (YAMAHA, 724, "YMF724"), | |
113 | DEV (YAMAHA, 724F, "YMF724F"), | |
114 | DEV (YAMAHA, 740, "YMF740"), | |
115 | DEV (YAMAHA, 740C, "YMF740C"), | |
116 | DEV (YAMAHA, 744, "YMF744"), | |
117 | DEV (YAMAHA, 754, "YMF754"), | |
118 | #undef DEV | |
119 | { } | |
120 | }; | |
121 | MODULE_DEVICE_TABLE(pci, ymf_id_tbl); | |
122 | ||
123 | /* | |
124 | * common I/O routines | |
125 | */ | |
126 | ||
127 | static inline void ymfpci_writeb(ymfpci_t *codec, u32 offset, u8 val) | |
128 | { | |
129 | writeb(val, codec->reg_area_virt + offset); | |
130 | } | |
131 | ||
132 | static inline u16 ymfpci_readw(ymfpci_t *codec, u32 offset) | |
133 | { | |
134 | return readw(codec->reg_area_virt + offset); | |
135 | } | |
136 | ||
137 | static inline void ymfpci_writew(ymfpci_t *codec, u32 offset, u16 val) | |
138 | { | |
139 | writew(val, codec->reg_area_virt + offset); | |
140 | } | |
141 | ||
142 | static inline u32 ymfpci_readl(ymfpci_t *codec, u32 offset) | |
143 | { | |
144 | return readl(codec->reg_area_virt + offset); | |
145 | } | |
146 | ||
147 | static inline void ymfpci_writel(ymfpci_t *codec, u32 offset, u32 val) | |
148 | { | |
149 | writel(val, codec->reg_area_virt + offset); | |
150 | } | |
151 | ||
152 | static int ymfpci_codec_ready(ymfpci_t *codec, int secondary, int sched) | |
153 | { | |
154 | signed long end_time; | |
155 | u32 reg = secondary ? YDSXGR_SECSTATUSADR : YDSXGR_PRISTATUSADR; | |
156 | ||
157 | end_time = jiffies + 3 * (HZ / 4); | |
158 | do { | |
159 | if ((ymfpci_readw(codec, reg) & 0x8000) == 0) | |
160 | return 0; | |
161 | if (sched) { | |
162 | set_current_state(TASK_UNINTERRUPTIBLE); | |
163 | schedule_timeout(1); | |
164 | } | |
165 | } while (end_time - (signed long)jiffies >= 0); | |
166 | printk(KERN_ERR "ymfpci_codec_ready: codec %i is not ready [0x%x]\n", | |
167 | secondary, ymfpci_readw(codec, reg)); | |
168 | return -EBUSY; | |
169 | } | |
170 | ||
171 | static void ymfpci_codec_write(struct ac97_codec *dev, u8 reg, u16 val) | |
172 | { | |
173 | ymfpci_t *codec = dev->private_data; | |
174 | u32 cmd; | |
175 | ||
176 | spin_lock(&codec->ac97_lock); | |
177 | /* XXX Do make use of dev->id */ | |
178 | ymfpci_codec_ready(codec, 0, 0); | |
179 | cmd = ((YDSXG_AC97WRITECMD | reg) << 16) | val; | |
180 | ymfpci_writel(codec, YDSXGR_AC97CMDDATA, cmd); | |
181 | spin_unlock(&codec->ac97_lock); | |
182 | } | |
183 | ||
184 | static u16 _ymfpci_codec_read(ymfpci_t *unit, u8 reg) | |
185 | { | |
186 | int i; | |
187 | ||
188 | if (ymfpci_codec_ready(unit, 0, 0)) | |
189 | return ~0; | |
190 | ymfpci_writew(unit, YDSXGR_AC97CMDADR, YDSXG_AC97READCMD | reg); | |
191 | if (ymfpci_codec_ready(unit, 0, 0)) | |
192 | return ~0; | |
193 | if (unit->pci->device == PCI_DEVICE_ID_YAMAHA_744 && unit->rev < 2) { | |
194 | for (i = 0; i < 600; i++) | |
195 | ymfpci_readw(unit, YDSXGR_PRISTATUSDATA); | |
196 | } | |
197 | return ymfpci_readw(unit, YDSXGR_PRISTATUSDATA); | |
198 | } | |
199 | ||
200 | static u16 ymfpci_codec_read(struct ac97_codec *dev, u8 reg) | |
201 | { | |
202 | ymfpci_t *unit = dev->private_data; | |
203 | u16 ret; | |
204 | ||
205 | spin_lock(&unit->ac97_lock); | |
206 | ret = _ymfpci_codec_read(unit, reg); | |
207 | spin_unlock(&unit->ac97_lock); | |
208 | ||
209 | return ret; | |
210 | } | |
211 | ||
212 | /* | |
213 | * Misc routines | |
214 | */ | |
215 | ||
216 | /* | |
217 | * Calculate the actual sampling rate relatetively to the base clock (48kHz). | |
218 | */ | |
219 | static u32 ymfpci_calc_delta(u32 rate) | |
220 | { | |
221 | switch (rate) { | |
222 | case 8000: return 0x02aaab00; | |
223 | case 11025: return 0x03accd00; | |
224 | case 16000: return 0x05555500; | |
225 | case 22050: return 0x07599a00; | |
226 | case 32000: return 0x0aaaab00; | |
227 | case 44100: return 0x0eb33300; | |
228 | default: return ((rate << 16) / 48000) << 12; | |
229 | } | |
230 | } | |
231 | ||
232 | static u32 def_rate[8] = { | |
233 | 100, 2000, 8000, 11025, 16000, 22050, 32000, 48000 | |
234 | }; | |
235 | ||
236 | static u32 ymfpci_calc_lpfK(u32 rate) | |
237 | { | |
238 | u32 i; | |
239 | static u32 val[8] = { | |
240 | 0x00570000, 0x06AA0000, 0x18B20000, 0x20930000, | |
241 | 0x2B9A0000, 0x35A10000, 0x3EAA0000, 0x40000000 | |
242 | }; | |
243 | ||
244 | if (rate == 44100) | |
245 | return 0x40000000; /* FIXME: What's the right value? */ | |
246 | for (i = 0; i < 8; i++) | |
247 | if (rate <= def_rate[i]) | |
248 | return val[i]; | |
249 | return val[0]; | |
250 | } | |
251 | ||
252 | static u32 ymfpci_calc_lpfQ(u32 rate) | |
253 | { | |
254 | u32 i; | |
255 | static u32 val[8] = { | |
256 | 0x35280000, 0x34A70000, 0x32020000, 0x31770000, | |
257 | 0x31390000, 0x31C90000, 0x33D00000, 0x40000000 | |
258 | }; | |
259 | ||
260 | if (rate == 44100) | |
261 | return 0x370A0000; | |
262 | for (i = 0; i < 8; i++) | |
263 | if (rate <= def_rate[i]) | |
264 | return val[i]; | |
265 | return val[0]; | |
266 | } | |
267 | ||
268 | static u32 ymf_calc_lend(u32 rate) | |
269 | { | |
270 | return (rate * YMF_SAMPF) / 48000; | |
271 | } | |
272 | ||
273 | /* | |
274 | * We ever allow only a few formats, but let's be generic, for smaller surprise. | |
275 | */ | |
276 | static int ymf_pcm_format_width(int format) | |
277 | { | |
278 | static int mask16 = AFMT_S16_LE|AFMT_S16_BE|AFMT_U16_LE|AFMT_U16_BE; | |
279 | ||
280 | if ((format & (format-1)) != 0) { | |
281 | printk(KERN_ERR "ymfpci: format 0x%x is not a power of 2\n", format); | |
282 | return 8; | |
283 | } | |
284 | ||
285 | if (format == AFMT_IMA_ADPCM) return 4; | |
286 | if ((format & mask16) != 0) return 16; | |
287 | return 8; | |
288 | } | |
289 | ||
290 | static void ymf_pcm_update_shift(struct ymf_pcm_format *f) | |
291 | { | |
292 | f->shift = 0; | |
293 | if (f->voices == 2) | |
294 | f->shift++; | |
295 | if (ymf_pcm_format_width(f->format) == 16) | |
296 | f->shift++; | |
297 | } | |
298 | ||
299 | /* Are you sure 32K is not too much? See if mpg123 skips on loaded systems. */ | |
300 | #define DMABUF_DEFAULTORDER (15-PAGE_SHIFT) | |
301 | #define DMABUF_MINORDER 1 | |
302 | ||
303 | /* | |
304 | * Allocate DMA buffer | |
305 | */ | |
306 | static int alloc_dmabuf(ymfpci_t *unit, struct ymf_dmabuf *dmabuf) | |
307 | { | |
308 | void *rawbuf = NULL; | |
309 | dma_addr_t dma_addr; | |
310 | int order; | |
311 | struct page *map, *mapend; | |
312 | ||
313 | /* alloc as big a chunk as we can */ | |
314 | for (order = DMABUF_DEFAULTORDER; order >= DMABUF_MINORDER; order--) { | |
315 | rawbuf = pci_alloc_consistent(unit->pci, PAGE_SIZE << order, &dma_addr); | |
316 | if (rawbuf) | |
317 | break; | |
318 | } | |
319 | if (!rawbuf) | |
320 | return -ENOMEM; | |
321 | ||
322 | #if 0 | |
323 | printk(KERN_DEBUG "ymfpci: allocated %ld (order = %d) bytes at %p\n", | |
324 | PAGE_SIZE << order, order, rawbuf); | |
325 | #endif | |
326 | ||
327 | dmabuf->ready = dmabuf->mapped = 0; | |
328 | dmabuf->rawbuf = rawbuf; | |
329 | dmabuf->dma_addr = dma_addr; | |
330 | dmabuf->buforder = order; | |
331 | ||
332 | /* now mark the pages as reserved; otherwise remap_pfn_range doesn't do what we want */ | |
333 | mapend = virt_to_page(rawbuf + (PAGE_SIZE << order) - 1); | |
334 | for (map = virt_to_page(rawbuf); map <= mapend; map++) | |
335 | set_bit(PG_reserved, &map->flags); | |
336 | ||
337 | return 0; | |
338 | } | |
339 | ||
340 | /* | |
341 | * Free DMA buffer | |
342 | */ | |
343 | static void dealloc_dmabuf(ymfpci_t *unit, struct ymf_dmabuf *dmabuf) | |
344 | { | |
345 | struct page *map, *mapend; | |
346 | ||
347 | if (dmabuf->rawbuf) { | |
348 | /* undo marking the pages as reserved */ | |
349 | mapend = virt_to_page(dmabuf->rawbuf + (PAGE_SIZE << dmabuf->buforder) - 1); | |
350 | for (map = virt_to_page(dmabuf->rawbuf); map <= mapend; map++) | |
351 | clear_bit(PG_reserved, &map->flags); | |
352 | ||
353 | pci_free_consistent(unit->pci, PAGE_SIZE << dmabuf->buforder, | |
354 | dmabuf->rawbuf, dmabuf->dma_addr); | |
355 | } | |
356 | dmabuf->rawbuf = NULL; | |
357 | dmabuf->mapped = dmabuf->ready = 0; | |
358 | } | |
359 | ||
360 | static int prog_dmabuf(struct ymf_state *state, int rec) | |
361 | { | |
362 | struct ymf_dmabuf *dmabuf; | |
363 | int w_16; | |
364 | unsigned bufsize; | |
365 | unsigned long flags; | |
366 | int redzone, redfrags; | |
367 | int ret; | |
368 | ||
369 | w_16 = ymf_pcm_format_width(state->format.format) == 16; | |
370 | dmabuf = rec ? &state->rpcm.dmabuf : &state->wpcm.dmabuf; | |
371 | ||
372 | spin_lock_irqsave(&state->unit->reg_lock, flags); | |
373 | dmabuf->hwptr = dmabuf->swptr = 0; | |
374 | dmabuf->total_bytes = 0; | |
375 | dmabuf->count = 0; | |
376 | spin_unlock_irqrestore(&state->unit->reg_lock, flags); | |
377 | ||
378 | /* allocate DMA buffer if not allocated yet */ | |
379 | if (!dmabuf->rawbuf) | |
380 | if ((ret = alloc_dmabuf(state->unit, dmabuf))) | |
381 | return ret; | |
382 | ||
383 | /* | |
384 | * Create fake fragment sizes and numbers for OSS ioctls. | |
385 | * Import what Doom might have set with SNDCTL_DSP_SETFRAGMENT. | |
386 | */ | |
387 | bufsize = PAGE_SIZE << dmabuf->buforder; | |
388 | /* By default we give 4 big buffers. */ | |
389 | dmabuf->fragshift = (dmabuf->buforder + PAGE_SHIFT - 2); | |
390 | if (dmabuf->ossfragshift > 3 && | |
391 | dmabuf->ossfragshift < dmabuf->fragshift) { | |
392 | /* If OSS set smaller fragments, give more smaller buffers. */ | |
393 | dmabuf->fragshift = dmabuf->ossfragshift; | |
394 | } | |
395 | dmabuf->fragsize = 1 << dmabuf->fragshift; | |
396 | ||
397 | dmabuf->numfrag = bufsize >> dmabuf->fragshift; | |
398 | dmabuf->dmasize = dmabuf->numfrag << dmabuf->fragshift; | |
399 | ||
400 | if (dmabuf->ossmaxfrags >= 2) { | |
401 | redzone = ymf_calc_lend(state->format.rate); | |
402 | redzone <<= state->format.shift; | |
403 | redzone *= 3; | |
404 | redfrags = (redzone + dmabuf->fragsize-1) >> dmabuf->fragshift; | |
405 | ||
406 | if (dmabuf->ossmaxfrags + redfrags < dmabuf->numfrag) { | |
407 | dmabuf->numfrag = dmabuf->ossmaxfrags + redfrags; | |
408 | dmabuf->dmasize = dmabuf->numfrag << dmabuf->fragshift; | |
409 | } | |
410 | } | |
411 | ||
412 | memset(dmabuf->rawbuf, w_16 ? 0 : 0x80, dmabuf->dmasize); | |
413 | ||
414 | /* | |
415 | * Now set up the ring | |
416 | */ | |
417 | ||
418 | /* XXX ret = rec? cap_pre(): pbk_pre(); */ | |
419 | spin_lock_irqsave(&state->unit->voice_lock, flags); | |
420 | if (rec) { | |
421 | if ((ret = ymf_capture_prepare(state)) != 0) { | |
422 | spin_unlock_irqrestore(&state->unit->voice_lock, flags); | |
423 | return ret; | |
424 | } | |
425 | } else { | |
426 | if ((ret = ymf_playback_prepare(state)) != 0) { | |
427 | spin_unlock_irqrestore(&state->unit->voice_lock, flags); | |
428 | return ret; | |
429 | } | |
430 | } | |
431 | spin_unlock_irqrestore(&state->unit->voice_lock, flags); | |
432 | ||
433 | /* set the ready flag for the dma buffer (this comment is not stupid) */ | |
434 | dmabuf->ready = 1; | |
435 | ||
436 | #if 0 | |
437 | printk(KERN_DEBUG "prog_dmabuf: rate %d format 0x%x," | |
438 | " numfrag %d fragsize %d dmasize %d\n", | |
439 | state->format.rate, state->format.format, dmabuf->numfrag, | |
440 | dmabuf->fragsize, dmabuf->dmasize); | |
441 | #endif | |
442 | ||
443 | return 0; | |
444 | } | |
445 | ||
446 | static void ymf_start_dac(struct ymf_state *state) | |
447 | { | |
448 | ymf_playback_trigger(state->unit, &state->wpcm, 1); | |
449 | } | |
450 | ||
451 | // static void ymf_start_adc(struct ymf_state *state) | |
452 | // { | |
453 | // ymf_capture_trigger(state->unit, &state->rpcm, 1); | |
454 | // } | |
455 | ||
456 | /* | |
457 | * Wait until output is drained. | |
458 | * This does not kill the hardware for the sake of ioctls. | |
459 | */ | |
460 | static void ymf_wait_dac(struct ymf_state *state) | |
461 | { | |
462 | struct ymf_unit *unit = state->unit; | |
463 | struct ymf_pcm *ypcm = &state->wpcm; | |
464 | DECLARE_WAITQUEUE(waita, current); | |
465 | unsigned long flags; | |
466 | ||
467 | add_wait_queue(&ypcm->dmabuf.wait, &waita); | |
468 | ||
469 | spin_lock_irqsave(&unit->reg_lock, flags); | |
470 | if (ypcm->dmabuf.count != 0 && !ypcm->running) { | |
471 | ymf_playback_trigger(unit, ypcm, 1); | |
472 | } | |
473 | ||
474 | #if 0 | |
475 | if (file->f_flags & O_NONBLOCK) { | |
476 | /* | |
477 | * XXX Our mistake is to attach DMA buffer to state | |
478 | * rather than to some per-device structure. | |
479 | * Cannot skip waiting, can only make it shorter. | |
480 | */ | |
481 | } | |
482 | #endif | |
483 | ||
484 | set_current_state(TASK_UNINTERRUPTIBLE); | |
485 | while (ypcm->running) { | |
486 | spin_unlock_irqrestore(&unit->reg_lock, flags); | |
487 | schedule(); | |
488 | spin_lock_irqsave(&unit->reg_lock, flags); | |
489 | set_current_state(TASK_UNINTERRUPTIBLE); | |
490 | } | |
491 | spin_unlock_irqrestore(&unit->reg_lock, flags); | |
492 | ||
493 | set_current_state(TASK_RUNNING); | |
494 | remove_wait_queue(&ypcm->dmabuf.wait, &waita); | |
495 | ||
496 | /* | |
497 | * This function may take up to 4 seconds to reach this point | |
498 | * (32K circular buffer, 8000 Hz). User notices. | |
499 | */ | |
500 | } | |
501 | ||
502 | /* Can just stop, without wait. Or can we? */ | |
503 | static void ymf_stop_adc(struct ymf_state *state) | |
504 | { | |
505 | struct ymf_unit *unit = state->unit; | |
506 | unsigned long flags; | |
507 | ||
508 | spin_lock_irqsave(&unit->reg_lock, flags); | |
509 | ymf_capture_trigger(unit, &state->rpcm, 0); | |
510 | spin_unlock_irqrestore(&unit->reg_lock, flags); | |
511 | } | |
512 | ||
513 | /* | |
514 | * Hardware start management | |
515 | */ | |
516 | ||
517 | static void ymfpci_hw_start(ymfpci_t *unit) | |
518 | { | |
519 | unsigned long flags; | |
520 | ||
521 | spin_lock_irqsave(&unit->reg_lock, flags); | |
522 | if (unit->start_count++ == 0) { | |
523 | ymfpci_writel(unit, YDSXGR_MODE, | |
524 | ymfpci_readl(unit, YDSXGR_MODE) | 3); | |
525 | unit->active_bank = ymfpci_readl(unit, YDSXGR_CTRLSELECT) & 1; | |
526 | } | |
527 | spin_unlock_irqrestore(&unit->reg_lock, flags); | |
528 | } | |
529 | ||
530 | static void ymfpci_hw_stop(ymfpci_t *unit) | |
531 | { | |
532 | unsigned long flags; | |
533 | long timeout = 1000; | |
534 | ||
535 | spin_lock_irqsave(&unit->reg_lock, flags); | |
536 | if (--unit->start_count == 0) { | |
537 | ymfpci_writel(unit, YDSXGR_MODE, | |
538 | ymfpci_readl(unit, YDSXGR_MODE) & ~3); | |
539 | while (timeout-- > 0) { | |
540 | if ((ymfpci_readl(unit, YDSXGR_STATUS) & 2) == 0) | |
541 | break; | |
542 | } | |
543 | } | |
544 | spin_unlock_irqrestore(&unit->reg_lock, flags); | |
545 | } | |
546 | ||
547 | /* | |
548 | * Playback voice management | |
549 | */ | |
550 | ||
551 | static int voice_alloc(ymfpci_t *codec, ymfpci_voice_type_t type, int pair, ymfpci_voice_t *rvoice[]) | |
552 | { | |
553 | ymfpci_voice_t *voice, *voice2; | |
554 | int idx; | |
555 | ||
556 | for (idx = 0; idx < YDSXG_PLAYBACK_VOICES; idx += pair ? 2 : 1) { | |
557 | voice = &codec->voices[idx]; | |
558 | voice2 = pair ? &codec->voices[idx+1] : NULL; | |
559 | if (voice->use || (voice2 && voice2->use)) | |
560 | continue; | |
561 | voice->use = 1; | |
562 | if (voice2) | |
563 | voice2->use = 1; | |
564 | switch (type) { | |
565 | case YMFPCI_PCM: | |
566 | voice->pcm = 1; | |
567 | if (voice2) | |
568 | voice2->pcm = 1; | |
569 | break; | |
570 | case YMFPCI_SYNTH: | |
571 | voice->synth = 1; | |
572 | break; | |
573 | case YMFPCI_MIDI: | |
574 | voice->midi = 1; | |
575 | break; | |
576 | } | |
577 | ymfpci_hw_start(codec); | |
578 | rvoice[0] = voice; | |
579 | if (voice2) { | |
580 | ymfpci_hw_start(codec); | |
581 | rvoice[1] = voice2; | |
582 | } | |
583 | return 0; | |
584 | } | |
585 | return -EBUSY; /* Your audio channel is open by someone else. */ | |
586 | } | |
587 | ||
588 | static void ymfpci_voice_free(ymfpci_t *unit, ymfpci_voice_t *pvoice) | |
589 | { | |
590 | ymfpci_hw_stop(unit); | |
591 | pvoice->use = pvoice->pcm = pvoice->synth = pvoice->midi = 0; | |
592 | pvoice->ypcm = NULL; | |
593 | } | |
594 | ||
595 | /* | |
596 | */ | |
597 | ||
598 | static void ymf_pcm_interrupt(ymfpci_t *codec, ymfpci_voice_t *voice) | |
599 | { | |
600 | struct ymf_pcm *ypcm; | |
601 | int redzone; | |
602 | int pos, delta, swptr; | |
603 | int played, distance; | |
604 | struct ymf_state *state; | |
605 | struct ymf_dmabuf *dmabuf; | |
606 | char silence; | |
607 | ||
608 | if ((ypcm = voice->ypcm) == NULL) { | |
609 | return; | |
610 | } | |
611 | if ((state = ypcm->state) == NULL) { | |
612 | ypcm->running = 0; // lock it | |
613 | return; | |
614 | } | |
615 | dmabuf = &ypcm->dmabuf; | |
616 | spin_lock(&codec->reg_lock); | |
617 | if (ypcm->running) { | |
618 | YMFDBGI("ymfpci: %d, intr bank %d count %d start 0x%x:%x\n", | |
619 | voice->number, codec->active_bank, dmabuf->count, | |
620 | le32_to_cpu(voice->bank[0].start), | |
621 | le32_to_cpu(voice->bank[1].start)); | |
622 | silence = (ymf_pcm_format_width(state->format.format) == 16) ? | |
623 | 0 : 0x80; | |
624 | /* We need actual left-hand-side redzone size here. */ | |
625 | redzone = ymf_calc_lend(state->format.rate); | |
626 | redzone <<= (state->format.shift + 1); | |
627 | swptr = dmabuf->swptr; | |
628 | ||
629 | pos = le32_to_cpu(voice->bank[codec->active_bank].start); | |
630 | pos <<= state->format.shift; | |
631 | if (pos < 0 || pos >= dmabuf->dmasize) { /* ucode bug */ | |
632 | printk(KERN_ERR "ymfpci%d: runaway voice %d: hwptr %d=>%d dmasize %d\n", | |
633 | codec->dev_audio, voice->number, | |
634 | dmabuf->hwptr, pos, dmabuf->dmasize); | |
635 | pos = 0; | |
636 | } | |
637 | if (pos < dmabuf->hwptr) { | |
638 | delta = dmabuf->dmasize - dmabuf->hwptr; | |
639 | memset(dmabuf->rawbuf + dmabuf->hwptr, silence, delta); | |
640 | delta += pos; | |
641 | memset(dmabuf->rawbuf, silence, pos); | |
642 | } else { | |
643 | delta = pos - dmabuf->hwptr; | |
644 | memset(dmabuf->rawbuf + dmabuf->hwptr, silence, delta); | |
645 | } | |
646 | dmabuf->hwptr = pos; | |
647 | ||
648 | if (dmabuf->count == 0) { | |
649 | printk(KERN_ERR "ymfpci%d: %d: strain: hwptr %d\n", | |
650 | codec->dev_audio, voice->number, dmabuf->hwptr); | |
651 | ymf_playback_trigger(codec, ypcm, 0); | |
652 | } | |
653 | ||
654 | if (swptr <= pos) { | |
655 | distance = pos - swptr; | |
656 | } else { | |
657 | distance = dmabuf->dmasize - (swptr - pos); | |
658 | } | |
659 | if (distance < redzone) { | |
660 | /* | |
661 | * hwptr inside redzone => DMA ran out of samples. | |
662 | */ | |
663 | if (delta < dmabuf->count) { | |
664 | /* | |
665 | * Lost interrupt or other screwage. | |
666 | */ | |
667 | printk(KERN_ERR "ymfpci%d: %d: lost: delta %d" | |
668 | " hwptr %d swptr %d distance %d count %d\n", | |
669 | codec->dev_audio, voice->number, delta, | |
670 | dmabuf->hwptr, swptr, distance, dmabuf->count); | |
671 | } else { | |
672 | /* | |
673 | * Normal end of DMA. | |
674 | */ | |
675 | YMFDBGI("ymfpci%d: %d: done: delta %d" | |
676 | " hwptr %d swptr %d distance %d count %d\n", | |
677 | codec->dev_audio, voice->number, delta, | |
678 | dmabuf->hwptr, swptr, distance, dmabuf->count); | |
679 | } | |
680 | played = dmabuf->count; | |
681 | if (ypcm->running) { | |
682 | ymf_playback_trigger(codec, ypcm, 0); | |
683 | } | |
684 | } else { | |
685 | /* | |
686 | * hwptr is chipping away towards a remote swptr. | |
687 | * Calculate other distance and apply it to count. | |
688 | */ | |
689 | if (swptr >= pos) { | |
690 | distance = swptr - pos; | |
691 | } else { | |
692 | distance = dmabuf->dmasize - (pos - swptr); | |
693 | } | |
694 | if (distance < dmabuf->count) { | |
695 | played = dmabuf->count - distance; | |
696 | } else { | |
697 | played = 0; | |
698 | } | |
699 | } | |
700 | ||
701 | dmabuf->total_bytes += played; | |
702 | dmabuf->count -= played; | |
703 | if (dmabuf->count < dmabuf->dmasize / 2) { | |
704 | wake_up(&dmabuf->wait); | |
705 | } | |
706 | } | |
707 | spin_unlock(&codec->reg_lock); | |
708 | } | |
709 | ||
710 | static void ymf_cap_interrupt(ymfpci_t *unit, struct ymf_capture *cap) | |
711 | { | |
712 | struct ymf_pcm *ypcm; | |
713 | int redzone; | |
714 | struct ymf_state *state; | |
715 | struct ymf_dmabuf *dmabuf; | |
716 | int pos, delta; | |
717 | int cnt; | |
718 | ||
719 | if ((ypcm = cap->ypcm) == NULL) { | |
720 | return; | |
721 | } | |
722 | if ((state = ypcm->state) == NULL) { | |
723 | ypcm->running = 0; // lock it | |
724 | return; | |
725 | } | |
726 | dmabuf = &ypcm->dmabuf; | |
727 | spin_lock(&unit->reg_lock); | |
728 | if (ypcm->running) { | |
729 | redzone = ymf_calc_lend(state->format.rate); | |
730 | redzone <<= (state->format.shift + 1); | |
731 | ||
732 | pos = le32_to_cpu(cap->bank[unit->active_bank].start); | |
733 | // pos <<= state->format.shift; | |
734 | if (pos < 0 || pos >= dmabuf->dmasize) { /* ucode bug */ | |
735 | printk(KERN_ERR "ymfpci%d: runaway capture %d: hwptr %d=>%d dmasize %d\n", | |
736 | unit->dev_audio, ypcm->capture_bank_number, | |
737 | dmabuf->hwptr, pos, dmabuf->dmasize); | |
738 | pos = 0; | |
739 | } | |
740 | if (pos < dmabuf->hwptr) { | |
741 | delta = dmabuf->dmasize - dmabuf->hwptr; | |
742 | delta += pos; | |
743 | } else { | |
744 | delta = pos - dmabuf->hwptr; | |
745 | } | |
746 | dmabuf->hwptr = pos; | |
747 | ||
748 | cnt = dmabuf->count; | |
749 | cnt += delta; | |
750 | if (cnt + redzone > dmabuf->dmasize) { | |
751 | /* Overflow - bump swptr */ | |
752 | dmabuf->count = dmabuf->dmasize - redzone; | |
753 | dmabuf->swptr = dmabuf->hwptr + redzone; | |
754 | if (dmabuf->swptr >= dmabuf->dmasize) { | |
755 | dmabuf->swptr -= dmabuf->dmasize; | |
756 | } | |
757 | } else { | |
758 | dmabuf->count = cnt; | |
759 | } | |
760 | ||
761 | dmabuf->total_bytes += delta; | |
762 | if (dmabuf->count) { /* && is_sleeping XXX */ | |
763 | wake_up(&dmabuf->wait); | |
764 | } | |
765 | } | |
766 | spin_unlock(&unit->reg_lock); | |
767 | } | |
768 | ||
769 | static int ymf_playback_trigger(ymfpci_t *codec, struct ymf_pcm *ypcm, int cmd) | |
770 | { | |
771 | ||
772 | if (ypcm->voices[0] == NULL) { | |
773 | return -EINVAL; | |
774 | } | |
775 | if (cmd != 0) { | |
776 | codec->ctrl_playback[ypcm->voices[0]->number + 1] = | |
777 | cpu_to_le32(ypcm->voices[0]->bank_ba); | |
778 | if (ypcm->voices[1] != NULL) | |
779 | codec->ctrl_playback[ypcm->voices[1]->number + 1] = | |
780 | cpu_to_le32(ypcm->voices[1]->bank_ba); | |
781 | ypcm->running = 1; | |
782 | } else { | |
783 | codec->ctrl_playback[ypcm->voices[0]->number + 1] = 0; | |
784 | if (ypcm->voices[1] != NULL) | |
785 | codec->ctrl_playback[ypcm->voices[1]->number + 1] = 0; | |
786 | ypcm->running = 0; | |
787 | } | |
788 | return 0; | |
789 | } | |
790 | ||
791 | static void ymf_capture_trigger(ymfpci_t *codec, struct ymf_pcm *ypcm, int cmd) | |
792 | { | |
793 | u32 tmp; | |
794 | ||
795 | if (cmd != 0) { | |
796 | tmp = ymfpci_readl(codec, YDSXGR_MAPOFREC) | (1 << ypcm->capture_bank_number); | |
797 | ymfpci_writel(codec, YDSXGR_MAPOFREC, tmp); | |
798 | ypcm->running = 1; | |
799 | } else { | |
800 | tmp = ymfpci_readl(codec, YDSXGR_MAPOFREC) & ~(1 << ypcm->capture_bank_number); | |
801 | ymfpci_writel(codec, YDSXGR_MAPOFREC, tmp); | |
802 | ypcm->running = 0; | |
803 | } | |
804 | } | |
805 | ||
806 | static int ymfpci_pcm_voice_alloc(struct ymf_pcm *ypcm, int voices) | |
807 | { | |
808 | struct ymf_unit *unit; | |
809 | int err; | |
810 | ||
811 | unit = ypcm->state->unit; | |
812 | if (ypcm->voices[1] != NULL && voices < 2) { | |
813 | ymfpci_voice_free(unit, ypcm->voices[1]); | |
814 | ypcm->voices[1] = NULL; | |
815 | } | |
816 | if (voices == 1 && ypcm->voices[0] != NULL) | |
817 | return 0; /* already allocated */ | |
818 | if (voices == 2 && ypcm->voices[0] != NULL && ypcm->voices[1] != NULL) | |
819 | return 0; /* already allocated */ | |
820 | if (voices > 1) { | |
821 | if (ypcm->voices[0] != NULL && ypcm->voices[1] == NULL) { | |
822 | ymfpci_voice_free(unit, ypcm->voices[0]); | |
823 | ypcm->voices[0] = NULL; | |
824 | } | |
825 | if ((err = voice_alloc(unit, YMFPCI_PCM, 1, ypcm->voices)) < 0) | |
826 | return err; | |
827 | ypcm->voices[0]->ypcm = ypcm; | |
828 | ypcm->voices[1]->ypcm = ypcm; | |
829 | } else { | |
830 | if ((err = voice_alloc(unit, YMFPCI_PCM, 0, ypcm->voices)) < 0) | |
831 | return err; | |
832 | ypcm->voices[0]->ypcm = ypcm; | |
833 | } | |
834 | return 0; | |
835 | } | |
836 | ||
837 | static void ymf_pcm_init_voice(ymfpci_voice_t *voice, int stereo, | |
838 | int rate, int w_16, unsigned long addr, unsigned int end, int spdif) | |
839 | { | |
840 | u32 format; | |
841 | u32 delta = ymfpci_calc_delta(rate); | |
842 | u32 lpfQ = ymfpci_calc_lpfQ(rate); | |
843 | u32 lpfK = ymfpci_calc_lpfK(rate); | |
844 | ymfpci_playback_bank_t *bank; | |
845 | int nbank; | |
846 | ||
847 | /* | |
848 | * The gain is a floating point number. According to the manual, | |
849 | * bit 31 indicates a sign bit, bit 30 indicates an integer part, | |
850 | * and bits [29:15] indicate a decimal fraction part. Thus, | |
851 | * for a gain of 1.0 the constant of 0x40000000 is loaded. | |
852 | */ | |
853 | unsigned default_gain = cpu_to_le32(0x40000000); | |
854 | ||
855 | format = (stereo ? 0x00010000 : 0) | (w_16 ? 0 : 0x80000000); | |
856 | if (stereo) | |
857 | end >>= 1; | |
858 | if (w_16) | |
859 | end >>= 1; | |
860 | for (nbank = 0; nbank < 2; nbank++) { | |
861 | bank = &voice->bank[nbank]; | |
862 | bank->format = cpu_to_le32(format); | |
863 | bank->loop_default = 0; /* 0-loops forever, otherwise count */ | |
864 | bank->base = cpu_to_le32(addr); | |
865 | bank->loop_start = 0; | |
866 | bank->loop_end = cpu_to_le32(end); | |
867 | bank->loop_frac = 0; | |
868 | bank->eg_gain_end = default_gain; | |
869 | bank->lpfQ = cpu_to_le32(lpfQ); | |
870 | bank->status = 0; | |
871 | bank->num_of_frames = 0; | |
872 | bank->loop_count = 0; | |
873 | bank->start = 0; | |
874 | bank->start_frac = 0; | |
875 | bank->delta = | |
876 | bank->delta_end = cpu_to_le32(delta); | |
877 | bank->lpfK = | |
878 | bank->lpfK_end = cpu_to_le32(lpfK); | |
879 | bank->eg_gain = default_gain; | |
880 | bank->lpfD1 = | |
881 | bank->lpfD2 = 0; | |
882 | ||
883 | bank->left_gain = | |
884 | bank->right_gain = | |
885 | bank->left_gain_end = | |
886 | bank->right_gain_end = | |
887 | bank->eff1_gain = | |
888 | bank->eff2_gain = | |
889 | bank->eff3_gain = | |
890 | bank->eff1_gain_end = | |
891 | bank->eff2_gain_end = | |
892 | bank->eff3_gain_end = 0; | |
893 | ||
894 | if (!stereo) { | |
895 | if (!spdif) { | |
896 | bank->left_gain = | |
897 | bank->right_gain = | |
898 | bank->left_gain_end = | |
899 | bank->right_gain_end = default_gain; | |
900 | } else { | |
901 | bank->eff2_gain = | |
902 | bank->eff2_gain_end = | |
903 | bank->eff3_gain = | |
904 | bank->eff3_gain_end = default_gain; | |
905 | } | |
906 | } else { | |
907 | if (!spdif) { | |
908 | if ((voice->number & 1) == 0) { | |
909 | bank->left_gain = | |
910 | bank->left_gain_end = default_gain; | |
911 | } else { | |
912 | bank->format |= cpu_to_le32(1); | |
913 | bank->right_gain = | |
914 | bank->right_gain_end = default_gain; | |
915 | } | |
916 | } else { | |
917 | if ((voice->number & 1) == 0) { | |
918 | bank->eff2_gain = | |
919 | bank->eff2_gain_end = default_gain; | |
920 | } else { | |
921 | bank->format |= cpu_to_le32(1); | |
922 | bank->eff3_gain = | |
923 | bank->eff3_gain_end = default_gain; | |
924 | } | |
925 | } | |
926 | } | |
927 | } | |
928 | } | |
929 | ||
930 | /* | |
931 | * XXX Capture channel allocation is entirely fake at the moment. | |
932 | * We use only one channel and mark it busy as required. | |
933 | */ | |
934 | static int ymf_capture_alloc(struct ymf_unit *unit, int *pbank) | |
935 | { | |
936 | struct ymf_capture *cap; | |
937 | int cbank; | |
938 | ||
939 | cbank = 1; /* Only ADC slot is used for now. */ | |
940 | cap = &unit->capture[cbank]; | |
941 | if (cap->use) | |
942 | return -EBUSY; | |
943 | cap->use = 1; | |
944 | *pbank = cbank; | |
945 | return 0; | |
946 | } | |
947 | ||
948 | static int ymf_playback_prepare(struct ymf_state *state) | |
949 | { | |
950 | struct ymf_pcm *ypcm = &state->wpcm; | |
951 | int err, nvoice; | |
952 | ||
953 | if ((err = ymfpci_pcm_voice_alloc(ypcm, state->format.voices)) < 0) { | |
954 | /* Somebody started 32 mpg123's in parallel? */ | |
955 | printk(KERN_INFO "ymfpci%d: cannot allocate voice\n", | |
956 | state->unit->dev_audio); | |
957 | return err; | |
958 | } | |
959 | ||
960 | for (nvoice = 0; nvoice < state->format.voices; nvoice++) { | |
961 | ymf_pcm_init_voice(ypcm->voices[nvoice], | |
962 | state->format.voices == 2, state->format.rate, | |
963 | ymf_pcm_format_width(state->format.format) == 16, | |
964 | ypcm->dmabuf.dma_addr, ypcm->dmabuf.dmasize, | |
965 | ypcm->spdif); | |
966 | } | |
967 | return 0; | |
968 | } | |
969 | ||
970 | static int ymf_capture_prepare(struct ymf_state *state) | |
971 | { | |
972 | ymfpci_t *unit = state->unit; | |
973 | struct ymf_pcm *ypcm = &state->rpcm; | |
974 | ymfpci_capture_bank_t * bank; | |
975 | /* XXX This is confusing, gotta rename one of them banks... */ | |
976 | int nbank; /* flip-flop bank */ | |
977 | int cbank; /* input [super-]bank */ | |
978 | struct ymf_capture *cap; | |
979 | u32 rate, format; | |
980 | ||
981 | if (ypcm->capture_bank_number == -1) { | |
982 | if (ymf_capture_alloc(unit, &cbank) != 0) | |
983 | return -EBUSY; | |
984 | ||
985 | ypcm->capture_bank_number = cbank; | |
986 | ||
987 | cap = &unit->capture[cbank]; | |
988 | cap->bank = unit->bank_capture[cbank][0]; | |
989 | cap->ypcm = ypcm; | |
990 | ymfpci_hw_start(unit); | |
991 | } | |
992 | ||
993 | // ypcm->frag_size = snd_pcm_lib_transfer_fragment(substream); | |
994 | // frag_size is replaced with nonfragged byte-aligned rolling buffer | |
995 | rate = ((48000 * 4096) / state->format.rate) - 1; | |
996 | format = 0; | |
997 | if (state->format.voices == 2) | |
998 | format |= 2; | |
999 | if (ymf_pcm_format_width(state->format.format) == 8) | |
1000 | format |= 1; | |
1001 | switch (ypcm->capture_bank_number) { | |
1002 | case 0: | |
1003 | ymfpci_writel(unit, YDSXGR_RECFORMAT, format); | |
1004 | ymfpci_writel(unit, YDSXGR_RECSLOTSR, rate); | |
1005 | break; | |
1006 | case 1: | |
1007 | ymfpci_writel(unit, YDSXGR_ADCFORMAT, format); | |
1008 | ymfpci_writel(unit, YDSXGR_ADCSLOTSR, rate); | |
1009 | break; | |
1010 | } | |
1011 | for (nbank = 0; nbank < 2; nbank++) { | |
1012 | bank = unit->bank_capture[ypcm->capture_bank_number][nbank]; | |
1013 | bank->base = cpu_to_le32(ypcm->dmabuf.dma_addr); | |
1014 | // bank->loop_end = ypcm->dmabuf.dmasize >> state->format.shift; | |
1015 | bank->loop_end = cpu_to_le32(ypcm->dmabuf.dmasize); | |
1016 | bank->start = 0; | |
1017 | bank->num_of_loops = 0; | |
1018 | } | |
1019 | #if 0 /* s/pdif */ | |
1020 | if (state->digital.dig_valid) | |
1021 | /*state->digital.type == SND_PCM_DIG_AES_IEC958*/ | |
1022 | ymfpci_writew(codec, YDSXGR_SPDIFOUTSTATUS, | |
1023 | state->digital.dig_status[0] | (state->digital.dig_status[1] << 8)); | |
1024 | #endif | |
1025 | return 0; | |
1026 | } | |
1027 | ||
1028 | static irqreturn_t ymf_interrupt(int irq, void *dev_id, struct pt_regs *regs) | |
1029 | { | |
1030 | ymfpci_t *codec = dev_id; | |
1031 | u32 status, nvoice, mode; | |
1032 | struct ymf_voice *voice; | |
1033 | struct ymf_capture *cap; | |
1034 | ||
1035 | status = ymfpci_readl(codec, YDSXGR_STATUS); | |
1036 | if (status & 0x80000000) { | |
1037 | codec->active_bank = ymfpci_readl(codec, YDSXGR_CTRLSELECT) & 1; | |
1038 | spin_lock(&codec->voice_lock); | |
1039 | for (nvoice = 0; nvoice < YDSXG_PLAYBACK_VOICES; nvoice++) { | |
1040 | voice = &codec->voices[nvoice]; | |
1041 | if (voice->use) | |
1042 | ymf_pcm_interrupt(codec, voice); | |
1043 | } | |
1044 | for (nvoice = 0; nvoice < YDSXG_CAPTURE_VOICES; nvoice++) { | |
1045 | cap = &codec->capture[nvoice]; | |
1046 | if (cap->use) | |
1047 | ymf_cap_interrupt(codec, cap); | |
1048 | } | |
1049 | spin_unlock(&codec->voice_lock); | |
1050 | spin_lock(&codec->reg_lock); | |
1051 | ymfpci_writel(codec, YDSXGR_STATUS, 0x80000000); | |
1052 | mode = ymfpci_readl(codec, YDSXGR_MODE) | 2; | |
1053 | ymfpci_writel(codec, YDSXGR_MODE, mode); | |
1054 | spin_unlock(&codec->reg_lock); | |
1055 | } | |
1056 | ||
1057 | status = ymfpci_readl(codec, YDSXGR_INTFLAG); | |
1058 | if (status & 1) { | |
1059 | /* timer handler */ | |
1060 | ymfpci_writel(codec, YDSXGR_INTFLAG, ~0); | |
1061 | } | |
1062 | return IRQ_HANDLED; | |
1063 | } | |
1064 | ||
1065 | static void ymf_pcm_free_substream(struct ymf_pcm *ypcm) | |
1066 | { | |
1067 | unsigned long flags; | |
1068 | struct ymf_unit *unit; | |
1069 | ||
1070 | unit = ypcm->state->unit; | |
1071 | ||
1072 | if (ypcm->type == PLAYBACK_VOICE) { | |
1073 | spin_lock_irqsave(&unit->voice_lock, flags); | |
1074 | if (ypcm->voices[1]) | |
1075 | ymfpci_voice_free(unit, ypcm->voices[1]); | |
1076 | if (ypcm->voices[0]) | |
1077 | ymfpci_voice_free(unit, ypcm->voices[0]); | |
1078 | spin_unlock_irqrestore(&unit->voice_lock, flags); | |
1079 | } else { | |
1080 | if (ypcm->capture_bank_number != -1) { | |
1081 | unit->capture[ypcm->capture_bank_number].use = 0; | |
1082 | ypcm->capture_bank_number = -1; | |
1083 | ymfpci_hw_stop(unit); | |
1084 | } | |
1085 | } | |
1086 | } | |
1087 | ||
1088 | static struct ymf_state *ymf_state_alloc(ymfpci_t *unit) | |
1089 | { | |
1090 | struct ymf_pcm *ypcm; | |
1091 | struct ymf_state *state; | |
1092 | ||
1093 | if ((state = kmalloc(sizeof(struct ymf_state), GFP_KERNEL)) == NULL) { | |
1094 | goto out0; | |
1095 | } | |
1096 | memset(state, 0, sizeof(struct ymf_state)); | |
1097 | ||
1098 | ypcm = &state->wpcm; | |
1099 | ypcm->state = state; | |
1100 | ypcm->type = PLAYBACK_VOICE; | |
1101 | ypcm->capture_bank_number = -1; | |
1102 | init_waitqueue_head(&ypcm->dmabuf.wait); | |
1103 | ||
1104 | ypcm = &state->rpcm; | |
1105 | ypcm->state = state; | |
1106 | ypcm->type = CAPTURE_AC97; | |
1107 | ypcm->capture_bank_number = -1; | |
1108 | init_waitqueue_head(&ypcm->dmabuf.wait); | |
1109 | ||
1110 | state->unit = unit; | |
1111 | ||
1112 | state->format.format = AFMT_U8; | |
1113 | state->format.rate = 8000; | |
1114 | state->format.voices = 1; | |
1115 | ymf_pcm_update_shift(&state->format); | |
1116 | ||
1117 | return state; | |
1118 | ||
1119 | out0: | |
1120 | return NULL; | |
1121 | } | |
1122 | ||
1123 | /* AES/IEC958 channel status bits */ | |
1124 | #define SND_PCM_AES0_PROFESSIONAL (1<<0) /* 0 = consumer, 1 = professional */ | |
1125 | #define SND_PCM_AES0_NONAUDIO (1<<1) /* 0 = audio, 1 = non-audio */ | |
1126 | #define SND_PCM_AES0_PRO_EMPHASIS (7<<2) /* mask - emphasis */ | |
1127 | #define SND_PCM_AES0_PRO_EMPHASIS_NOTID (0<<2) /* emphasis not indicated */ | |
1128 | #define SND_PCM_AES0_PRO_EMPHASIS_NONE (1<<2) /* none emphasis */ | |
1129 | #define SND_PCM_AES0_PRO_EMPHASIS_5015 (3<<2) /* 50/15us emphasis */ | |
1130 | #define SND_PCM_AES0_PRO_EMPHASIS_CCITT (7<<2) /* CCITT J.17 emphasis */ | |
1131 | #define SND_PCM_AES0_PRO_FREQ_UNLOCKED (1<<5) /* source sample frequency: 0 = locked, 1 = unlocked */ | |
1132 | #define SND_PCM_AES0_PRO_FS (3<<6) /* mask - sample frequency */ | |
1133 | #define SND_PCM_AES0_PRO_FS_NOTID (0<<6) /* fs not indicated */ | |
1134 | #define SND_PCM_AES0_PRO_FS_44100 (1<<6) /* 44.1kHz */ | |
1135 | #define SND_PCM_AES0_PRO_FS_48000 (2<<6) /* 48kHz */ | |
1136 | #define SND_PCM_AES0_PRO_FS_32000 (3<<6) /* 32kHz */ | |
1137 | #define SND_PCM_AES0_CON_NOT_COPYRIGHT (1<<2) /* 0 = copyright, 1 = not copyright */ | |
1138 | #define SND_PCM_AES0_CON_EMPHASIS (7<<3) /* mask - emphasis */ | |
1139 | #define SND_PCM_AES0_CON_EMPHASIS_NONE (0<<3) /* none emphasis */ | |
1140 | #define SND_PCM_AES0_CON_EMPHASIS_5015 (1<<3) /* 50/15us emphasis */ | |
1141 | #define SND_PCM_AES0_CON_MODE (3<<6) /* mask - mode */ | |
1142 | #define SND_PCM_AES1_PRO_MODE (15<<0) /* mask - channel mode */ | |
1143 | #define SND_PCM_AES1_PRO_MODE_NOTID (0<<0) /* not indicated */ | |
1144 | #define SND_PCM_AES1_PRO_MODE_STEREOPHONIC (2<<0) /* stereophonic - ch A is left */ | |
1145 | #define SND_PCM_AES1_PRO_MODE_SINGLE (4<<0) /* single channel */ | |
1146 | #define SND_PCM_AES1_PRO_MODE_TWO (8<<0) /* two channels */ | |
1147 | #define SND_PCM_AES1_PRO_MODE_PRIMARY (12<<0) /* primary/secondary */ | |
1148 | #define SND_PCM_AES1_PRO_MODE_BYTE3 (15<<0) /* vector to byte 3 */ | |
1149 | #define SND_PCM_AES1_PRO_USERBITS (15<<4) /* mask - user bits */ | |
1150 | #define SND_PCM_AES1_PRO_USERBITS_NOTID (0<<4) /* not indicated */ | |
1151 | #define SND_PCM_AES1_PRO_USERBITS_192 (8<<4) /* 192-bit structure */ | |
1152 | #define SND_PCM_AES1_PRO_USERBITS_UDEF (12<<4) /* user defined application */ | |
1153 | #define SND_PCM_AES1_CON_CATEGORY 0x7f | |
1154 | #define SND_PCM_AES1_CON_GENERAL 0x00 | |
1155 | #define SND_PCM_AES1_CON_EXPERIMENTAL 0x40 | |
1156 | #define SND_PCM_AES1_CON_SOLIDMEM_MASK 0x0f | |
1157 | #define SND_PCM_AES1_CON_SOLIDMEM_ID 0x08 | |
1158 | #define SND_PCM_AES1_CON_BROADCAST1_MASK 0x07 | |
1159 | #define SND_PCM_AES1_CON_BROADCAST1_ID 0x04 | |
1160 | #define SND_PCM_AES1_CON_DIGDIGCONV_MASK 0x07 | |
1161 | #define SND_PCM_AES1_CON_DIGDIGCONV_ID 0x02 | |
1162 | #define SND_PCM_AES1_CON_ADC_COPYRIGHT_MASK 0x1f | |
1163 | #define SND_PCM_AES1_CON_ADC_COPYRIGHT_ID 0x06 | |
1164 | #define SND_PCM_AES1_CON_ADC_MASK 0x1f | |
1165 | #define SND_PCM_AES1_CON_ADC_ID 0x16 | |
1166 | #define SND_PCM_AES1_CON_BROADCAST2_MASK 0x0f | |
1167 | #define SND_PCM_AES1_CON_BROADCAST2_ID 0x0e | |
1168 | #define SND_PCM_AES1_CON_LASEROPT_MASK 0x07 | |
1169 | #define SND_PCM_AES1_CON_LASEROPT_ID 0x01 | |
1170 | #define SND_PCM_AES1_CON_MUSICAL_MASK 0x07 | |
1171 | #define SND_PCM_AES1_CON_MUSICAL_ID 0x05 | |
1172 | #define SND_PCM_AES1_CON_MAGNETIC_MASK 0x07 | |
1173 | #define SND_PCM_AES1_CON_MAGNETIC_ID 0x03 | |
1174 | #define SND_PCM_AES1_CON_IEC908_CD (SND_PCM_AES1_CON_LASEROPT_ID|0x00) | |
1175 | #define SND_PCM_AES1_CON_NON_IEC908_CD (SND_PCM_AES1_CON_LASEROPT_ID|0x08) | |
1176 | #define SND_PCM_AES1_CON_PCM_CODER (SND_PCM_AES1_CON_DIGDIGCONV_ID|0x00) | |
1177 | #define SND_PCM_AES1_CON_SAMPLER (SND_PCM_AES1_CON_DIGDIGCONV_ID|0x20) | |
1178 | #define SND_PCM_AES1_CON_MIXER (SND_PCM_AES1_CON_DIGDIGCONV_ID|0x10) | |
1179 | #define SND_PCM_AES1_CON_RATE_CONVERTER (SND_PCM_AES1_CON_DIGDIGCONV_ID|0x18) | |
1180 | #define SND_PCM_AES1_CON_SYNTHESIZER (SND_PCM_AES1_CON_MUSICAL_ID|0x00) | |
1181 | #define SND_PCM_AES1_CON_MICROPHONE (SND_PCM_AES1_CON_MUSICAL_ID|0x08) | |
1182 | #define SND_PCM_AES1_CON_DAT (SND_PCM_AES1_CON_MAGNETIC_ID|0x00) | |
1183 | #define SND_PCM_AES1_CON_VCR (SND_PCM_AES1_CON_MAGNETIC_ID|0x08) | |
1184 | #define SND_PCM_AES1_CON_ORIGINAL (1<<7) /* this bits depends on the category code */ | |
1185 | #define SND_PCM_AES2_PRO_SBITS (7<<0) /* mask - sample bits */ | |
1186 | #define SND_PCM_AES2_PRO_SBITS_20 (2<<0) /* 20-bit - coordination */ | |
1187 | #define SND_PCM_AES2_PRO_SBITS_24 (4<<0) /* 24-bit - main audio */ | |
1188 | #define SND_PCM_AES2_PRO_SBITS_UDEF (6<<0) /* user defined application */ | |
1189 | #define SND_PCM_AES2_PRO_WORDLEN (7<<3) /* mask - source word length */ | |
1190 | #define SND_PCM_AES2_PRO_WORDLEN_NOTID (0<<3) /* not indicated */ | |
1191 | #define SND_PCM_AES2_PRO_WORDLEN_22_18 (2<<3) /* 22-bit or 18-bit */ | |
1192 | #define SND_PCM_AES2_PRO_WORDLEN_23_19 (4<<3) /* 23-bit or 19-bit */ | |
1193 | #define SND_PCM_AES2_PRO_WORDLEN_24_20 (5<<3) /* 24-bit or 20-bit */ | |
1194 | #define SND_PCM_AES2_PRO_WORDLEN_20_16 (6<<3) /* 20-bit or 16-bit */ | |
1195 | #define SND_PCM_AES2_CON_SOURCE (15<<0) /* mask - source number */ | |
1196 | #define SND_PCM_AES2_CON_SOURCE_UNSPEC (0<<0) /* unspecified */ | |
1197 | #define SND_PCM_AES2_CON_CHANNEL (15<<4) /* mask - channel number */ | |
1198 | #define SND_PCM_AES2_CON_CHANNEL_UNSPEC (0<<4) /* unspecified */ | |
1199 | #define SND_PCM_AES3_CON_FS (15<<0) /* mask - sample frequency */ | |
1200 | #define SND_PCM_AES3_CON_FS_44100 (0<<0) /* 44.1kHz */ | |
1201 | #define SND_PCM_AES3_CON_FS_48000 (2<<0) /* 48kHz */ | |
1202 | #define SND_PCM_AES3_CON_FS_32000 (3<<0) /* 32kHz */ | |
1203 | #define SND_PCM_AES3_CON_CLOCK (3<<4) /* mask - clock accuracy */ | |
1204 | #define SND_PCM_AES3_CON_CLOCK_1000PPM (0<<4) /* 1000 ppm */ | |
1205 | #define SND_PCM_AES3_CON_CLOCK_50PPM (1<<4) /* 50 ppm */ | |
1206 | #define SND_PCM_AES3_CON_CLOCK_VARIABLE (2<<4) /* variable pitch */ | |
1207 | ||
1208 | /* | |
1209 | * User interface | |
1210 | */ | |
1211 | ||
1212 | /* | |
1213 | * in this loop, dmabuf.count signifies the amount of data that is | |
1214 | * waiting to be copied to the user's buffer. it is filled by the dma | |
1215 | * machine and drained by this loop. | |
1216 | */ | |
1217 | static ssize_t | |
1218 | ymf_read(struct file *file, char __user *buffer, size_t count, loff_t *ppos) | |
1219 | { | |
1220 | struct ymf_state *state = (struct ymf_state *)file->private_data; | |
1221 | struct ymf_dmabuf *dmabuf = &state->rpcm.dmabuf; | |
1222 | struct ymf_unit *unit = state->unit; | |
1223 | DECLARE_WAITQUEUE(waita, current); | |
1224 | ssize_t ret; | |
1225 | unsigned long flags; | |
1226 | unsigned int swptr; | |
1227 | int cnt; /* This many to go in this revolution */ | |
1228 | ||
1229 | if (dmabuf->mapped) | |
1230 | return -ENXIO; | |
1231 | if (!dmabuf->ready && (ret = prog_dmabuf(state, 1))) | |
1232 | return ret; | |
1233 | ret = 0; | |
1234 | ||
1235 | add_wait_queue(&dmabuf->wait, &waita); | |
1236 | set_current_state(TASK_INTERRUPTIBLE); | |
1237 | while (count > 0) { | |
1238 | spin_lock_irqsave(&unit->reg_lock, flags); | |
1239 | if (unit->suspended) { | |
1240 | spin_unlock_irqrestore(&unit->reg_lock, flags); | |
1241 | schedule(); | |
1242 | set_current_state(TASK_INTERRUPTIBLE); | |
1243 | if (signal_pending(current)) { | |
1244 | if (!ret) ret = -EAGAIN; | |
1245 | break; | |
1246 | } | |
1247 | continue; | |
1248 | } | |
1249 | swptr = dmabuf->swptr; | |
1250 | cnt = dmabuf->dmasize - swptr; | |
1251 | if (dmabuf->count < cnt) | |
1252 | cnt = dmabuf->count; | |
1253 | spin_unlock_irqrestore(&unit->reg_lock, flags); | |
1254 | ||
1255 | if (cnt > count) | |
1256 | cnt = count; | |
1257 | if (cnt <= 0) { | |
1258 | unsigned long tmo; | |
1259 | /* buffer is empty, start the dma machine and wait for data to be | |
1260 | recorded */ | |
1261 | spin_lock_irqsave(&state->unit->reg_lock, flags); | |
1262 | if (!state->rpcm.running) { | |
1263 | ymf_capture_trigger(state->unit, &state->rpcm, 1); | |
1264 | } | |
1265 | spin_unlock_irqrestore(&state->unit->reg_lock, flags); | |
1266 | if (file->f_flags & O_NONBLOCK) { | |
1267 | if (!ret) ret = -EAGAIN; | |
1268 | break; | |
1269 | } | |
1270 | /* This isnt strictly right for the 810 but it'll do */ | |
1271 | tmo = (dmabuf->dmasize * HZ) / (state->format.rate * 2); | |
1272 | tmo >>= state->format.shift; | |
1273 | /* There are two situations when sleep_on_timeout returns, one is when | |
1274 | the interrupt is serviced correctly and the process is waked up by | |
1275 | ISR ON TIME. Another is when timeout is expired, which means that | |
1276 | either interrupt is NOT serviced correctly (pending interrupt) or it | |
1277 | is TOO LATE for the process to be scheduled to run (scheduler latency) | |
1278 | which results in a (potential) buffer overrun. And worse, there is | |
1279 | NOTHING we can do to prevent it. */ | |
1280 | tmo = schedule_timeout(tmo); | |
1281 | spin_lock_irqsave(&state->unit->reg_lock, flags); | |
1282 | set_current_state(TASK_INTERRUPTIBLE); | |
1283 | if (tmo == 0 && dmabuf->count == 0) { | |
1284 | printk(KERN_ERR "ymfpci%d: recording schedule timeout, " | |
1285 | "dmasz %u fragsz %u count %i hwptr %u swptr %u\n", | |
1286 | state->unit->dev_audio, | |
1287 | dmabuf->dmasize, dmabuf->fragsize, dmabuf->count, | |
1288 | dmabuf->hwptr, dmabuf->swptr); | |
1289 | } | |
1290 | spin_unlock_irqrestore(&state->unit->reg_lock, flags); | |
1291 | if (signal_pending(current)) { | |
1292 | if (!ret) ret = -ERESTARTSYS; | |
1293 | break; | |
1294 | } | |
1295 | continue; | |
1296 | } | |
1297 | ||
1298 | if (copy_to_user(buffer, dmabuf->rawbuf + swptr, cnt)) { | |
1299 | if (!ret) ret = -EFAULT; | |
1300 | break; | |
1301 | } | |
1302 | ||
1303 | swptr = (swptr + cnt) % dmabuf->dmasize; | |
1304 | ||
1305 | spin_lock_irqsave(&unit->reg_lock, flags); | |
1306 | if (unit->suspended) { | |
1307 | spin_unlock_irqrestore(&unit->reg_lock, flags); | |
1308 | continue; | |
1309 | } | |
1310 | ||
1311 | dmabuf->swptr = swptr; | |
1312 | dmabuf->count -= cnt; | |
1313 | // spin_unlock_irqrestore(&unit->reg_lock, flags); | |
1314 | ||
1315 | count -= cnt; | |
1316 | buffer += cnt; | |
1317 | ret += cnt; | |
1318 | // spin_lock_irqsave(&unit->reg_lock, flags); | |
1319 | if (!state->rpcm.running) { | |
1320 | ymf_capture_trigger(unit, &state->rpcm, 1); | |
1321 | } | |
1322 | spin_unlock_irqrestore(&unit->reg_lock, flags); | |
1323 | } | |
1324 | set_current_state(TASK_RUNNING); | |
1325 | remove_wait_queue(&dmabuf->wait, &waita); | |
1326 | ||
1327 | return ret; | |
1328 | } | |
1329 | ||
1330 | static ssize_t | |
1331 | ymf_write(struct file *file, const char __user *buffer, size_t count, loff_t *ppos) | |
1332 | { | |
1333 | struct ymf_state *state = (struct ymf_state *)file->private_data; | |
1334 | struct ymf_dmabuf *dmabuf = &state->wpcm.dmabuf; | |
1335 | struct ymf_unit *unit = state->unit; | |
1336 | DECLARE_WAITQUEUE(waita, current); | |
1337 | ssize_t ret; | |
1338 | unsigned long flags; | |
1339 | unsigned int swptr; | |
1340 | int cnt; /* This many to go in this revolution */ | |
1341 | int redzone; | |
1342 | int delay; | |
1343 | ||
1344 | YMFDBGW("ymf_write: count %d\n", count); | |
1345 | ||
1346 | if (dmabuf->mapped) | |
1347 | return -ENXIO; | |
1348 | if (!dmabuf->ready && (ret = prog_dmabuf(state, 0))) | |
1349 | return ret; | |
1350 | ret = 0; | |
1351 | ||
1352 | /* | |
1353 | * Alan's cs46xx works without a red zone - marvel of ingenuity. | |
1354 | * We are not so brilliant... Red zone does two things: | |
1355 | * 1. allows for safe start after a pause as we have no way | |
1356 | * to know what the actual, relentlessly advancing, hwptr is. | |
1357 | * 2. makes computations in ymf_pcm_interrupt simpler. | |
1358 | */ | |
1359 | redzone = ymf_calc_lend(state->format.rate) << state->format.shift; | |
1360 | redzone *= 3; /* 2 redzone + 1 possible uncertainty reserve. */ | |
1361 | ||
1362 | add_wait_queue(&dmabuf->wait, &waita); | |
1363 | set_current_state(TASK_INTERRUPTIBLE); | |
1364 | while (count > 0) { | |
1365 | spin_lock_irqsave(&unit->reg_lock, flags); | |
1366 | if (unit->suspended) { | |
1367 | spin_unlock_irqrestore(&unit->reg_lock, flags); | |
1368 | schedule(); | |
1369 | set_current_state(TASK_INTERRUPTIBLE); | |
1370 | if (signal_pending(current)) { | |
1371 | if (!ret) ret = -EAGAIN; | |
1372 | break; | |
1373 | } | |
1374 | continue; | |
1375 | } | |
1376 | if (dmabuf->count < 0) { | |
1377 | printk(KERN_ERR | |
1378 | "ymf_write: count %d, was legal in cs46xx\n", | |
1379 | dmabuf->count); | |
1380 | dmabuf->count = 0; | |
1381 | } | |
1382 | if (dmabuf->count == 0) { | |
1383 | swptr = dmabuf->hwptr; | |
1384 | if (state->wpcm.running) { | |
1385 | /* | |
1386 | * Add uncertainty reserve. | |
1387 | */ | |
1388 | cnt = ymf_calc_lend(state->format.rate); | |
1389 | cnt <<= state->format.shift; | |
1390 | if ((swptr += cnt) >= dmabuf->dmasize) { | |
1391 | swptr -= dmabuf->dmasize; | |
1392 | } | |
1393 | } | |
1394 | dmabuf->swptr = swptr; | |
1395 | } else { | |
1396 | /* | |
1397 | * XXX This is not right if dmabuf->count is small - | |
1398 | * about 2*x frame size or less. We cannot count on | |
1399 | * on appending and not causing an artefact. | |
1400 | * Should use a variation of the count==0 case above. | |
1401 | */ | |
1402 | swptr = dmabuf->swptr; | |
1403 | } | |
1404 | cnt = dmabuf->dmasize - swptr; | |
1405 | if (dmabuf->count + cnt > dmabuf->dmasize - redzone) | |
1406 | cnt = (dmabuf->dmasize - redzone) - dmabuf->count; | |
1407 | spin_unlock_irqrestore(&unit->reg_lock, flags); | |
1408 | ||
1409 | if (cnt > count) | |
1410 | cnt = count; | |
1411 | if (cnt <= 0) { | |
1412 | YMFDBGW("ymf_write: full, count %d swptr %d\n", | |
1413 | dmabuf->count, dmabuf->swptr); | |
1414 | /* | |
1415 | * buffer is full, start the dma machine and | |
1416 | * wait for data to be played | |
1417 | */ | |
1418 | spin_lock_irqsave(&unit->reg_lock, flags); | |
1419 | if (!state->wpcm.running) { | |
1420 | ymf_playback_trigger(unit, &state->wpcm, 1); | |
1421 | } | |
1422 | spin_unlock_irqrestore(&unit->reg_lock, flags); | |
1423 | if (file->f_flags & O_NONBLOCK) { | |
1424 | if (!ret) ret = -EAGAIN; | |
1425 | break; | |
1426 | } | |
1427 | schedule(); | |
1428 | set_current_state(TASK_INTERRUPTIBLE); | |
1429 | if (signal_pending(current)) { | |
1430 | if (!ret) ret = -ERESTARTSYS; | |
1431 | break; | |
1432 | } | |
1433 | continue; | |
1434 | } | |
1435 | if (copy_from_user(dmabuf->rawbuf + swptr, buffer, cnt)) { | |
1436 | if (!ret) ret = -EFAULT; | |
1437 | break; | |
1438 | } | |
1439 | ||
1440 | if ((swptr += cnt) >= dmabuf->dmasize) { | |
1441 | swptr -= dmabuf->dmasize; | |
1442 | } | |
1443 | ||
1444 | spin_lock_irqsave(&unit->reg_lock, flags); | |
1445 | if (unit->suspended) { | |
1446 | spin_unlock_irqrestore(&unit->reg_lock, flags); | |
1447 | continue; | |
1448 | } | |
1449 | dmabuf->swptr = swptr; | |
1450 | dmabuf->count += cnt; | |
1451 | ||
1452 | /* | |
1453 | * Start here is a bad idea - may cause startup click | |
1454 | * in /bin/play when dmabuf is not full yet. | |
1455 | * However, some broken applications do not make | |
1456 | * any use of SNDCTL_DSP_SYNC (Doom is the worst). | |
1457 | * One frame is about 5.3ms, Doom write size is 46ms. | |
1458 | */ | |
1459 | delay = state->format.rate / 20; /* 50ms */ | |
1460 | delay <<= state->format.shift; | |
1461 | if (dmabuf->count >= delay && !state->wpcm.running) { | |
1462 | ymf_playback_trigger(unit, &state->wpcm, 1); | |
1463 | } | |
1464 | ||
1465 | spin_unlock_irqrestore(&unit->reg_lock, flags); | |
1466 | ||
1467 | count -= cnt; | |
1468 | buffer += cnt; | |
1469 | ret += cnt; | |
1470 | } | |
1471 | ||
1472 | set_current_state(TASK_RUNNING); | |
1473 | remove_wait_queue(&dmabuf->wait, &waita); | |
1474 | ||
1475 | YMFDBGW("ymf_write: ret %d dmabuf.count %d\n", ret, dmabuf->count); | |
1476 | return ret; | |
1477 | } | |
1478 | ||
1479 | static unsigned int ymf_poll(struct file *file, struct poll_table_struct *wait) | |
1480 | { | |
1481 | struct ymf_state *state = (struct ymf_state *)file->private_data; | |
1482 | struct ymf_dmabuf *dmabuf; | |
1483 | int redzone; | |
1484 | unsigned long flags; | |
1485 | unsigned int mask = 0; | |
1486 | ||
1487 | if (file->f_mode & FMODE_WRITE) | |
1488 | poll_wait(file, &state->wpcm.dmabuf.wait, wait); | |
1489 | if (file->f_mode & FMODE_READ) | |
1490 | poll_wait(file, &state->rpcm.dmabuf.wait, wait); | |
1491 | ||
1492 | spin_lock_irqsave(&state->unit->reg_lock, flags); | |
1493 | if (file->f_mode & FMODE_READ) { | |
1494 | dmabuf = &state->rpcm.dmabuf; | |
1495 | if (dmabuf->count >= (signed)dmabuf->fragsize) | |
1496 | mask |= POLLIN | POLLRDNORM; | |
1497 | } | |
1498 | if (file->f_mode & FMODE_WRITE) { | |
1499 | redzone = ymf_calc_lend(state->format.rate); | |
1500 | redzone <<= state->format.shift; | |
1501 | redzone *= 3; | |
1502 | ||
1503 | dmabuf = &state->wpcm.dmabuf; | |
1504 | if (dmabuf->mapped) { | |
1505 | if (dmabuf->count >= (signed)dmabuf->fragsize) | |
1506 | mask |= POLLOUT | POLLWRNORM; | |
1507 | } else { | |
1508 | /* | |
1509 | * Don't select unless a full fragment is available. | |
1510 | * Otherwise artsd does GETOSPACE, sees 0, and loops. | |
1511 | */ | |
1512 | if (dmabuf->count + redzone + dmabuf->fragsize | |
1513 | <= dmabuf->dmasize) | |
1514 | mask |= POLLOUT | POLLWRNORM; | |
1515 | } | |
1516 | } | |
1517 | spin_unlock_irqrestore(&state->unit->reg_lock, flags); | |
1518 | ||
1519 | return mask; | |
1520 | } | |
1521 | ||
1522 | static int ymf_mmap(struct file *file, struct vm_area_struct *vma) | |
1523 | { | |
1524 | struct ymf_state *state = (struct ymf_state *)file->private_data; | |
1525 | struct ymf_dmabuf *dmabuf = &state->wpcm.dmabuf; | |
1526 | int ret; | |
1527 | unsigned long size; | |
1528 | ||
1529 | if (vma->vm_flags & VM_WRITE) { | |
1530 | if ((ret = prog_dmabuf(state, 0)) != 0) | |
1531 | return ret; | |
1532 | } else if (vma->vm_flags & VM_READ) { | |
1533 | if ((ret = prog_dmabuf(state, 1)) != 0) | |
1534 | return ret; | |
1535 | } else | |
1536 | return -EINVAL; | |
1537 | ||
1538 | if (vma->vm_pgoff != 0) | |
1539 | return -EINVAL; | |
1540 | size = vma->vm_end - vma->vm_start; | |
1541 | if (size > (PAGE_SIZE << dmabuf->buforder)) | |
1542 | return -EINVAL; | |
1543 | if (remap_pfn_range(vma, vma->vm_start, | |
1544 | virt_to_phys(dmabuf->rawbuf) >> PAGE_SHIFT, | |
1545 | size, vma->vm_page_prot)) | |
1546 | return -EAGAIN; | |
1547 | dmabuf->mapped = 1; | |
1548 | ||
1549 | /* P3 */ printk(KERN_INFO "ymfpci: using memory mapped sound, untested!\n"); | |
1550 | return 0; | |
1551 | } | |
1552 | ||
1553 | static int ymf_ioctl(struct inode *inode, struct file *file, | |
1554 | unsigned int cmd, unsigned long arg) | |
1555 | { | |
1556 | struct ymf_state *state = (struct ymf_state *)file->private_data; | |
1557 | struct ymf_dmabuf *dmabuf; | |
1558 | unsigned long flags; | |
1559 | audio_buf_info abinfo; | |
1560 | count_info cinfo; | |
1561 | int redzone; | |
1562 | int val; | |
1563 | void __user *argp = (void __user *)arg; | |
1564 | int __user *p = argp; | |
1565 | ||
1566 | switch (cmd) { | |
1567 | case OSS_GETVERSION: | |
1568 | YMFDBGX("ymf_ioctl: cmd 0x%x(GETVER) arg 0x%lx\n", cmd, arg); | |
1569 | return put_user(SOUND_VERSION, p); | |
1570 | ||
1571 | case SNDCTL_DSP_RESET: | |
1572 | YMFDBGX("ymf_ioctl: cmd 0x%x(RESET)\n", cmd); | |
1573 | if (file->f_mode & FMODE_WRITE) { | |
1574 | ymf_wait_dac(state); | |
1575 | dmabuf = &state->wpcm.dmabuf; | |
1576 | spin_lock_irqsave(&state->unit->reg_lock, flags); | |
1577 | dmabuf->ready = 0; | |
1578 | dmabuf->swptr = dmabuf->hwptr; | |
1579 | dmabuf->count = dmabuf->total_bytes = 0; | |
1580 | spin_unlock_irqrestore(&state->unit->reg_lock, flags); | |
1581 | } | |
1582 | if (file->f_mode & FMODE_READ) { | |
1583 | ymf_stop_adc(state); | |
1584 | dmabuf = &state->rpcm.dmabuf; | |
1585 | spin_lock_irqsave(&state->unit->reg_lock, flags); | |
1586 | dmabuf->ready = 0; | |
1587 | dmabuf->swptr = dmabuf->hwptr; | |
1588 | dmabuf->count = dmabuf->total_bytes = 0; | |
1589 | spin_unlock_irqrestore(&state->unit->reg_lock, flags); | |
1590 | } | |
1591 | return 0; | |
1592 | ||
1593 | case SNDCTL_DSP_SYNC: | |
1594 | YMFDBGX("ymf_ioctl: cmd 0x%x(SYNC)\n", cmd); | |
1595 | if (file->f_mode & FMODE_WRITE) { | |
1596 | dmabuf = &state->wpcm.dmabuf; | |
1597 | if (file->f_flags & O_NONBLOCK) { | |
1598 | spin_lock_irqsave(&state->unit->reg_lock, flags); | |
1599 | if (dmabuf->count != 0 && !state->wpcm.running) { | |
1600 | ymf_start_dac(state); | |
1601 | } | |
1602 | spin_unlock_irqrestore(&state->unit->reg_lock, flags); | |
1603 | } else { | |
1604 | ymf_wait_dac(state); | |
1605 | } | |
1606 | } | |
1607 | /* XXX What does this do for reading? dmabuf->count=0; ? */ | |
1608 | return 0; | |
1609 | ||
1610 | case SNDCTL_DSP_SPEED: /* set smaple rate */ | |
1611 | if (get_user(val, p)) | |
1612 | return -EFAULT; | |
1613 | YMFDBGX("ymf_ioctl: cmd 0x%x(SPEED) sp %d\n", cmd, val); | |
1614 | if (val >= 8000 && val <= 48000) { | |
1615 | if (file->f_mode & FMODE_WRITE) { | |
1616 | ymf_wait_dac(state); | |
1617 | dmabuf = &state->wpcm.dmabuf; | |
1618 | spin_lock_irqsave(&state->unit->reg_lock, flags); | |
1619 | dmabuf->ready = 0; | |
1620 | state->format.rate = val; | |
1621 | ymf_pcm_update_shift(&state->format); | |
1622 | spin_unlock_irqrestore(&state->unit->reg_lock, flags); | |
1623 | } | |
1624 | if (file->f_mode & FMODE_READ) { | |
1625 | ymf_stop_adc(state); | |
1626 | dmabuf = &state->rpcm.dmabuf; | |
1627 | spin_lock_irqsave(&state->unit->reg_lock, flags); | |
1628 | dmabuf->ready = 0; | |
1629 | state->format.rate = val; | |
1630 | ymf_pcm_update_shift(&state->format); | |
1631 | spin_unlock_irqrestore(&state->unit->reg_lock, flags); | |
1632 | } | |
1633 | } | |
1634 | return put_user(state->format.rate, p); | |
1635 | ||
1636 | /* | |
1637 | * OSS manual does not mention SNDCTL_DSP_STEREO at all. | |
1638 | * All channels are mono and if you want stereo, you | |
1639 | * play into two channels with SNDCTL_DSP_CHANNELS. | |
1640 | * However, mpg123 calls it. I wonder, why Michael Hipp used it. | |
1641 | */ | |
1642 | case SNDCTL_DSP_STEREO: /* set stereo or mono channel */ | |
1643 | if (get_user(val, p)) | |
1644 | return -EFAULT; | |
1645 | YMFDBGX("ymf_ioctl: cmd 0x%x(STEREO) st %d\n", cmd, val); | |
1646 | if (file->f_mode & FMODE_WRITE) { | |
1647 | ymf_wait_dac(state); | |
1648 | dmabuf = &state->wpcm.dmabuf; | |
1649 | spin_lock_irqsave(&state->unit->reg_lock, flags); | |
1650 | dmabuf->ready = 0; | |
1651 | state->format.voices = val ? 2 : 1; | |
1652 | ymf_pcm_update_shift(&state->format); | |
1653 | spin_unlock_irqrestore(&state->unit->reg_lock, flags); | |
1654 | } | |
1655 | if (file->f_mode & FMODE_READ) { | |
1656 | ymf_stop_adc(state); | |
1657 | dmabuf = &state->rpcm.dmabuf; | |
1658 | spin_lock_irqsave(&state->unit->reg_lock, flags); | |
1659 | dmabuf->ready = 0; | |
1660 | state->format.voices = val ? 2 : 1; | |
1661 | ymf_pcm_update_shift(&state->format); | |
1662 | spin_unlock_irqrestore(&state->unit->reg_lock, flags); | |
1663 | } | |
1664 | return 0; | |
1665 | ||
1666 | case SNDCTL_DSP_GETBLKSIZE: | |
1667 | YMFDBGX("ymf_ioctl: cmd 0x%x(GETBLK)\n", cmd); | |
1668 | if (file->f_mode & FMODE_WRITE) { | |
1669 | if ((val = prog_dmabuf(state, 0))) | |
1670 | return val; | |
1671 | val = state->wpcm.dmabuf.fragsize; | |
1672 | YMFDBGX("ymf_ioctl: GETBLK w %d\n", val); | |
1673 | return put_user(val, p); | |
1674 | } | |
1675 | if (file->f_mode & FMODE_READ) { | |
1676 | if ((val = prog_dmabuf(state, 1))) | |
1677 | return val; | |
1678 | val = state->rpcm.dmabuf.fragsize; | |
1679 | YMFDBGX("ymf_ioctl: GETBLK r %d\n", val); | |
1680 | return put_user(val, p); | |
1681 | } | |
1682 | return -EINVAL; | |
1683 | ||
1684 | case SNDCTL_DSP_GETFMTS: /* Returns a mask of supported sample format*/ | |
1685 | YMFDBGX("ymf_ioctl: cmd 0x%x(GETFMTS)\n", cmd); | |
1686 | return put_user(AFMT_S16_LE|AFMT_U8, p); | |
1687 | ||
1688 | case SNDCTL_DSP_SETFMT: /* Select sample format */ | |
1689 | if (get_user(val, p)) | |
1690 | return -EFAULT; | |
1691 | YMFDBGX("ymf_ioctl: cmd 0x%x(SETFMT) fmt %d\n", cmd, val); | |
1692 | if (val == AFMT_S16_LE || val == AFMT_U8) { | |
1693 | if (file->f_mode & FMODE_WRITE) { | |
1694 | ymf_wait_dac(state); | |
1695 | dmabuf = &state->wpcm.dmabuf; | |
1696 | spin_lock_irqsave(&state->unit->reg_lock, flags); | |
1697 | dmabuf->ready = 0; | |
1698 | state->format.format = val; | |
1699 | ymf_pcm_update_shift(&state->format); | |
1700 | spin_unlock_irqrestore(&state->unit->reg_lock, flags); | |
1701 | } | |
1702 | if (file->f_mode & FMODE_READ) { | |
1703 | ymf_stop_adc(state); | |
1704 | dmabuf = &state->rpcm.dmabuf; | |
1705 | spin_lock_irqsave(&state->unit->reg_lock, flags); | |
1706 | dmabuf->ready = 0; | |
1707 | state->format.format = val; | |
1708 | ymf_pcm_update_shift(&state->format); | |
1709 | spin_unlock_irqrestore(&state->unit->reg_lock, flags); | |
1710 | } | |
1711 | } | |
1712 | return put_user(state->format.format, p); | |
1713 | ||
1714 | case SNDCTL_DSP_CHANNELS: | |
1715 | if (get_user(val, p)) | |
1716 | return -EFAULT; | |
1717 | YMFDBGX("ymf_ioctl: cmd 0x%x(CHAN) ch %d\n", cmd, val); | |
1718 | if (val != 0) { | |
1719 | if (file->f_mode & FMODE_WRITE) { | |
1720 | ymf_wait_dac(state); | |
1721 | if (val == 1 || val == 2) { | |
1722 | spin_lock_irqsave(&state->unit->reg_lock, flags); | |
1723 | dmabuf = &state->wpcm.dmabuf; | |
1724 | dmabuf->ready = 0; | |
1725 | state->format.voices = val; | |
1726 | ymf_pcm_update_shift(&state->format); | |
1727 | spin_unlock_irqrestore(&state->unit->reg_lock, flags); | |
1728 | } | |
1729 | } | |
1730 | if (file->f_mode & FMODE_READ) { | |
1731 | ymf_stop_adc(state); | |
1732 | if (val == 1 || val == 2) { | |
1733 | spin_lock_irqsave(&state->unit->reg_lock, flags); | |
1734 | dmabuf = &state->rpcm.dmabuf; | |
1735 | dmabuf->ready = 0; | |
1736 | state->format.voices = val; | |
1737 | ymf_pcm_update_shift(&state->format); | |
1738 | spin_unlock_irqrestore(&state->unit->reg_lock, flags); | |
1739 | } | |
1740 | } | |
1741 | } | |
1742 | return put_user(state->format.voices, p); | |
1743 | ||
1744 | case SNDCTL_DSP_POST: | |
1745 | YMFDBGX("ymf_ioctl: cmd 0x%x(POST)\n", cmd); | |
1746 | /* | |
1747 | * Quoting OSS PG: | |
1748 | * The ioctl SNDCTL_DSP_POST is a lightweight version of | |
1749 | * SNDCTL_DSP_SYNC. It just tells to the driver that there | |
1750 | * is likely to be a pause in the output. This makes it | |
1751 | * possible for the device to handle the pause more | |
1752 | * intelligently. This ioctl doesn't block the application. | |
1753 | * | |
1754 | * The paragraph above is a clumsy way to say "flush ioctl". | |
1755 | * This ioctl is used by mpg123. | |
1756 | */ | |
1757 | spin_lock_irqsave(&state->unit->reg_lock, flags); | |
1758 | if (state->wpcm.dmabuf.count != 0 && !state->wpcm.running) { | |
1759 | ymf_start_dac(state); | |
1760 | } | |
1761 | spin_unlock_irqrestore(&state->unit->reg_lock, flags); | |
1762 | return 0; | |
1763 | ||
1764 | case SNDCTL_DSP_SETFRAGMENT: | |
1765 | if (get_user(val, p)) | |
1766 | return -EFAULT; | |
1767 | YMFDBGX("ymf_ioctl: cmd 0x%x(SETFRAG) fr 0x%04x:%04x(%d:%d)\n", | |
1768 | cmd, | |
1769 | (val >> 16) & 0xFFFF, val & 0xFFFF, | |
1770 | (val >> 16) & 0xFFFF, val & 0xFFFF); | |
1771 | dmabuf = &state->wpcm.dmabuf; | |
1772 | dmabuf->ossfragshift = val & 0xffff; | |
1773 | dmabuf->ossmaxfrags = (val >> 16) & 0xffff; | |
1774 | if (dmabuf->ossfragshift < 4) | |
1775 | dmabuf->ossfragshift = 4; | |
1776 | if (dmabuf->ossfragshift > 15) | |
1777 | dmabuf->ossfragshift = 15; | |
1778 | return 0; | |
1779 | ||
1780 | case SNDCTL_DSP_GETOSPACE: | |
1781 | YMFDBGX("ymf_ioctl: cmd 0x%x(GETOSPACE)\n", cmd); | |
1782 | if (!(file->f_mode & FMODE_WRITE)) | |
1783 | return -EINVAL; | |
1784 | dmabuf = &state->wpcm.dmabuf; | |
1785 | if (!dmabuf->ready && (val = prog_dmabuf(state, 0)) != 0) | |
1786 | return val; | |
1787 | redzone = ymf_calc_lend(state->format.rate); | |
1788 | redzone <<= state->format.shift; | |
1789 | redzone *= 3; | |
1790 | spin_lock_irqsave(&state->unit->reg_lock, flags); | |
1791 | abinfo.fragsize = dmabuf->fragsize; | |
1792 | abinfo.bytes = dmabuf->dmasize - dmabuf->count - redzone; | |
1793 | abinfo.fragstotal = dmabuf->numfrag; | |
1794 | abinfo.fragments = abinfo.bytes >> dmabuf->fragshift; | |
1795 | spin_unlock_irqrestore(&state->unit->reg_lock, flags); | |
1796 | return copy_to_user(argp, &abinfo, sizeof(abinfo)) ? -EFAULT : 0; | |
1797 | ||
1798 | case SNDCTL_DSP_GETISPACE: | |
1799 | YMFDBGX("ymf_ioctl: cmd 0x%x(GETISPACE)\n", cmd); | |
1800 | if (!(file->f_mode & FMODE_READ)) | |
1801 | return -EINVAL; | |
1802 | dmabuf = &state->rpcm.dmabuf; | |
1803 | if (!dmabuf->ready && (val = prog_dmabuf(state, 1)) != 0) | |
1804 | return val; | |
1805 | spin_lock_irqsave(&state->unit->reg_lock, flags); | |
1806 | abinfo.fragsize = dmabuf->fragsize; | |
1807 | abinfo.bytes = dmabuf->count; | |
1808 | abinfo.fragstotal = dmabuf->numfrag; | |
1809 | abinfo.fragments = abinfo.bytes >> dmabuf->fragshift; | |
1810 | spin_unlock_irqrestore(&state->unit->reg_lock, flags); | |
1811 | return copy_to_user(argp, &abinfo, sizeof(abinfo)) ? -EFAULT : 0; | |
1812 | ||
1813 | case SNDCTL_DSP_NONBLOCK: | |
1814 | YMFDBGX("ymf_ioctl: cmd 0x%x(NONBLOCK)\n", cmd); | |
1815 | file->f_flags |= O_NONBLOCK; | |
1816 | return 0; | |
1817 | ||
1818 | case SNDCTL_DSP_GETCAPS: | |
1819 | YMFDBGX("ymf_ioctl: cmd 0x%x(GETCAPS)\n", cmd); | |
1820 | /* return put_user(DSP_CAP_REALTIME|DSP_CAP_TRIGGER|DSP_CAP_MMAP, | |
1821 | p); */ | |
1822 | return put_user(0, p); | |
1823 | ||
1824 | case SNDCTL_DSP_GETIPTR: | |
1825 | YMFDBGX("ymf_ioctl: cmd 0x%x(GETIPTR)\n", cmd); | |
1826 | if (!(file->f_mode & FMODE_READ)) | |
1827 | return -EINVAL; | |
1828 | dmabuf = &state->rpcm.dmabuf; | |
1829 | spin_lock_irqsave(&state->unit->reg_lock, flags); | |
1830 | cinfo.bytes = dmabuf->total_bytes; | |
1831 | cinfo.blocks = dmabuf->count >> dmabuf->fragshift; | |
1832 | cinfo.ptr = dmabuf->hwptr; | |
1833 | spin_unlock_irqrestore(&state->unit->reg_lock, flags); | |
1834 | YMFDBGX("ymf_ioctl: GETIPTR ptr %d bytes %d\n", | |
1835 | cinfo.ptr, cinfo.bytes); | |
1836 | return copy_to_user(argp, &cinfo, sizeof(cinfo)) ? -EFAULT : 0; | |
1837 | ||
1838 | case SNDCTL_DSP_GETOPTR: | |
1839 | YMFDBGX("ymf_ioctl: cmd 0x%x(GETOPTR)\n", cmd); | |
1840 | if (!(file->f_mode & FMODE_WRITE)) | |
1841 | return -EINVAL; | |
1842 | dmabuf = &state->wpcm.dmabuf; | |
1843 | spin_lock_irqsave(&state->unit->reg_lock, flags); | |
1844 | cinfo.bytes = dmabuf->total_bytes; | |
1845 | cinfo.blocks = dmabuf->count >> dmabuf->fragshift; | |
1846 | cinfo.ptr = dmabuf->hwptr; | |
1847 | spin_unlock_irqrestore(&state->unit->reg_lock, flags); | |
1848 | YMFDBGX("ymf_ioctl: GETOPTR ptr %d bytes %d\n", | |
1849 | cinfo.ptr, cinfo.bytes); | |
1850 | return copy_to_user(argp, &cinfo, sizeof(cinfo)) ? -EFAULT : 0; | |
1851 | ||
1852 | case SNDCTL_DSP_SETDUPLEX: | |
1853 | YMFDBGX("ymf_ioctl: cmd 0x%x(SETDUPLEX)\n", cmd); | |
1854 | return 0; /* Always duplex */ | |
1855 | ||
1856 | case SOUND_PCM_READ_RATE: | |
1857 | YMFDBGX("ymf_ioctl: cmd 0x%x(READ_RATE)\n", cmd); | |
1858 | return put_user(state->format.rate, p); | |
1859 | ||
1860 | case SOUND_PCM_READ_CHANNELS: | |
1861 | YMFDBGX("ymf_ioctl: cmd 0x%x(READ_CH)\n", cmd); | |
1862 | return put_user(state->format.voices, p); | |
1863 | ||
1864 | case SOUND_PCM_READ_BITS: | |
1865 | YMFDBGX("ymf_ioctl: cmd 0x%x(READ_BITS)\n", cmd); | |
1866 | return put_user(AFMT_S16_LE, p); | |
1867 | ||
1868 | case SNDCTL_DSP_MAPINBUF: | |
1869 | case SNDCTL_DSP_MAPOUTBUF: | |
1870 | case SNDCTL_DSP_SETSYNCRO: | |
1871 | case SOUND_PCM_WRITE_FILTER: | |
1872 | case SOUND_PCM_READ_FILTER: | |
1873 | YMFDBGX("ymf_ioctl: cmd 0x%x unsupported\n", cmd); | |
1874 | return -ENOTTY; | |
1875 | ||
1876 | default: | |
1877 | /* | |
1878 | * Some programs mix up audio devices and ioctls | |
1879 | * or perhaps they expect "universal" ioctls, | |
1880 | * for instance we get SNDCTL_TMR_CONTINUE here. | |
1881 | * (mpg123 -g 100 ends here too - to be fixed.) | |
1882 | */ | |
1883 | YMFDBGX("ymf_ioctl: cmd 0x%x unknown\n", cmd); | |
1884 | break; | |
1885 | } | |
1886 | return -ENOTTY; | |
1887 | } | |
1888 | ||
1889 | /* | |
1890 | * open(2) | |
1891 | * We use upper part of the minor to distinguish between soundcards. | |
1892 | * Channels are opened with a clone open. | |
1893 | */ | |
1894 | static int ymf_open(struct inode *inode, struct file *file) | |
1895 | { | |
1896 | struct list_head *list; | |
1897 | ymfpci_t *unit = NULL; | |
1898 | int minor; | |
1899 | struct ymf_state *state; | |
1900 | int err; | |
1901 | ||
1902 | minor = iminor(inode); | |
1903 | if ((minor & 0x0F) == 3) { /* /dev/dspN */ | |
1904 | ; | |
1905 | } else { | |
1906 | return -ENXIO; | |
1907 | } | |
1908 | ||
1909 | unit = NULL; /* gcc warns */ | |
1910 | spin_lock(&ymf_devs_lock); | |
1911 | list_for_each(list, &ymf_devs) { | |
1912 | unit = list_entry(list, ymfpci_t, ymf_devs); | |
1913 | if (((unit->dev_audio ^ minor) & ~0x0F) == 0) | |
1914 | break; | |
1915 | } | |
1916 | spin_unlock(&ymf_devs_lock); | |
1917 | if (unit == NULL) | |
1918 | return -ENODEV; | |
1919 | ||
1920 | down(&unit->open_sem); | |
1921 | ||
1922 | if ((state = ymf_state_alloc(unit)) == NULL) { | |
1923 | up(&unit->open_sem); | |
1924 | return -ENOMEM; | |
1925 | } | |
1926 | list_add_tail(&state->chain, &unit->states); | |
1927 | ||
1928 | file->private_data = state; | |
1929 | ||
1930 | /* | |
1931 | * ymf_read and ymf_write that we borrowed from cs46xx | |
1932 | * allocate buffers with prog_dmabuf(). We call prog_dmabuf | |
1933 | * here so that in case of DMA memory exhaustion open | |
1934 | * fails rather than write. | |
1935 | * | |
1936 | * XXX prog_dmabuf allocates voice. Should allocate explicitly, above. | |
1937 | */ | |
1938 | if (file->f_mode & FMODE_WRITE) { | |
1939 | if (!state->wpcm.dmabuf.ready) { | |
1940 | if ((err = prog_dmabuf(state, 0)) != 0) { | |
1941 | goto out_nodma; | |
1942 | } | |
1943 | } | |
1944 | } | |
1945 | if (file->f_mode & FMODE_READ) { | |
1946 | if (!state->rpcm.dmabuf.ready) { | |
1947 | if ((err = prog_dmabuf(state, 1)) != 0) { | |
1948 | goto out_nodma; | |
1949 | } | |
1950 | } | |
1951 | } | |
1952 | ||
1953 | #if 0 /* test if interrupts work */ | |
1954 | ymfpci_writew(unit, YDSXGR_TIMERCOUNT, 0xfffe); /* ~ 680ms */ | |
1955 | ymfpci_writeb(unit, YDSXGR_TIMERCTRL, | |
1956 | (YDSXGR_TIMERCTRL_TEN|YDSXGR_TIMERCTRL_TIEN)); | |
1957 | #endif | |
1958 | up(&unit->open_sem); | |
1959 | ||
1960 | return nonseekable_open(inode, file); | |
1961 | ||
1962 | out_nodma: | |
1963 | /* | |
1964 | * XXX Broken custom: "goto out_xxx" in other place is | |
1965 | * a nestable exception, but here it is not nestable due to semaphore. | |
1966 | * XXX Doubtful technique of self-describing objects.... | |
1967 | */ | |
1968 | dealloc_dmabuf(unit, &state->wpcm.dmabuf); | |
1969 | dealloc_dmabuf(unit, &state->rpcm.dmabuf); | |
1970 | ymf_pcm_free_substream(&state->wpcm); | |
1971 | ymf_pcm_free_substream(&state->rpcm); | |
1972 | ||
1973 | list_del(&state->chain); | |
1974 | kfree(state); | |
1975 | ||
1976 | up(&unit->open_sem); | |
1977 | return err; | |
1978 | } | |
1979 | ||
1980 | static int ymf_release(struct inode *inode, struct file *file) | |
1981 | { | |
1982 | struct ymf_state *state = (struct ymf_state *)file->private_data; | |
1983 | ymfpci_t *unit = state->unit; | |
1984 | ||
1985 | #if 0 /* test if interrupts work */ | |
1986 | ymfpci_writeb(unit, YDSXGR_TIMERCTRL, 0); | |
1987 | #endif | |
1988 | ||
1989 | down(&unit->open_sem); | |
1990 | ||
1991 | /* | |
1992 | * XXX Solve the case of O_NONBLOCK close - don't deallocate here. | |
1993 | * Deallocate when unloading the driver and we can wait. | |
1994 | */ | |
1995 | ymf_wait_dac(state); | |
1996 | ymf_stop_adc(state); /* fortunately, it's immediate */ | |
1997 | dealloc_dmabuf(unit, &state->wpcm.dmabuf); | |
1998 | dealloc_dmabuf(unit, &state->rpcm.dmabuf); | |
1999 | ymf_pcm_free_substream(&state->wpcm); | |
2000 | ymf_pcm_free_substream(&state->rpcm); | |
2001 | ||
2002 | list_del(&state->chain); | |
2003 | file->private_data = NULL; /* Can you tell I programmed Solaris */ | |
2004 | kfree(state); | |
2005 | ||
2006 | up(&unit->open_sem); | |
2007 | ||
2008 | return 0; | |
2009 | } | |
2010 | ||
2011 | /* | |
2012 | * Mixer operations are based on cs46xx. | |
2013 | */ | |
2014 | static int ymf_open_mixdev(struct inode *inode, struct file *file) | |
2015 | { | |
2016 | int minor = iminor(inode); | |
2017 | struct list_head *list; | |
2018 | ymfpci_t *unit; | |
2019 | int i; | |
2020 | ||
2021 | spin_lock(&ymf_devs_lock); | |
2022 | list_for_each(list, &ymf_devs) { | |
2023 | unit = list_entry(list, ymfpci_t, ymf_devs); | |
2024 | for (i = 0; i < NR_AC97; i++) { | |
2025 | if (unit->ac97_codec[i] != NULL && | |
2026 | unit->ac97_codec[i]->dev_mixer == minor) { | |
2027 | spin_unlock(&ymf_devs_lock); | |
2028 | goto match; | |
2029 | } | |
2030 | } | |
2031 | } | |
2032 | spin_unlock(&ymf_devs_lock); | |
2033 | return -ENODEV; | |
2034 | ||
2035 | match: | |
2036 | file->private_data = unit->ac97_codec[i]; | |
2037 | ||
2038 | return nonseekable_open(inode, file); | |
2039 | } | |
2040 | ||
2041 | static int ymf_ioctl_mixdev(struct inode *inode, struct file *file, | |
2042 | unsigned int cmd, unsigned long arg) | |
2043 | { | |
2044 | struct ac97_codec *codec = (struct ac97_codec *)file->private_data; | |
2045 | ||
2046 | return codec->mixer_ioctl(codec, cmd, arg); | |
2047 | } | |
2048 | ||
2049 | static int ymf_release_mixdev(struct inode *inode, struct file *file) | |
2050 | { | |
2051 | return 0; | |
2052 | } | |
2053 | ||
2054 | static /*const*/ struct file_operations ymf_fops = { | |
2055 | .owner = THIS_MODULE, | |
2056 | .llseek = no_llseek, | |
2057 | .read = ymf_read, | |
2058 | .write = ymf_write, | |
2059 | .poll = ymf_poll, | |
2060 | .ioctl = ymf_ioctl, | |
2061 | .mmap = ymf_mmap, | |
2062 | .open = ymf_open, | |
2063 | .release = ymf_release, | |
2064 | }; | |
2065 | ||
2066 | static /*const*/ struct file_operations ymf_mixer_fops = { | |
2067 | .owner = THIS_MODULE, | |
2068 | .llseek = no_llseek, | |
2069 | .ioctl = ymf_ioctl_mixdev, | |
2070 | .open = ymf_open_mixdev, | |
2071 | .release = ymf_release_mixdev, | |
2072 | }; | |
2073 | ||
2074 | /* | |
2075 | */ | |
2076 | ||
2077 | static int ymf_suspend(struct pci_dev *pcidev, pm_message_t unused) | |
2078 | { | |
2079 | struct ymf_unit *unit = pci_get_drvdata(pcidev); | |
2080 | unsigned long flags; | |
2081 | struct ymf_dmabuf *dmabuf; | |
2082 | struct list_head *p; | |
2083 | struct ymf_state *state; | |
2084 | struct ac97_codec *codec; | |
2085 | int i; | |
2086 | ||
2087 | spin_lock_irqsave(&unit->reg_lock, flags); | |
2088 | ||
2089 | unit->suspended = 1; | |
2090 | ||
2091 | for (i = 0; i < NR_AC97; i++) { | |
2092 | if ((codec = unit->ac97_codec[i]) != NULL) | |
2093 | ac97_save_state(codec); | |
2094 | } | |
2095 | ||
2096 | list_for_each(p, &unit->states) { | |
2097 | state = list_entry(p, struct ymf_state, chain); | |
2098 | ||
2099 | dmabuf = &state->wpcm.dmabuf; | |
2100 | dmabuf->hwptr = dmabuf->swptr = 0; | |
2101 | dmabuf->total_bytes = 0; | |
2102 | dmabuf->count = 0; | |
2103 | ||
2104 | dmabuf = &state->rpcm.dmabuf; | |
2105 | dmabuf->hwptr = dmabuf->swptr = 0; | |
2106 | dmabuf->total_bytes = 0; | |
2107 | dmabuf->count = 0; | |
2108 | } | |
2109 | ||
2110 | ymfpci_writel(unit, YDSXGR_NATIVEDACOUTVOL, 0); | |
2111 | ymfpci_disable_dsp(unit); | |
2112 | ||
2113 | spin_unlock_irqrestore(&unit->reg_lock, flags); | |
2114 | ||
2115 | return 0; | |
2116 | } | |
2117 | ||
2118 | static int ymf_resume(struct pci_dev *pcidev) | |
2119 | { | |
2120 | struct ymf_unit *unit = pci_get_drvdata(pcidev); | |
2121 | unsigned long flags; | |
2122 | struct list_head *p; | |
2123 | struct ymf_state *state; | |
2124 | struct ac97_codec *codec; | |
2125 | int i; | |
2126 | ||
2127 | ymfpci_aclink_reset(unit->pci); | |
2128 | ymfpci_codec_ready(unit, 0, 1); /* prints diag if not ready. */ | |
2129 | ||
2130 | #ifdef CONFIG_SOUND_YMFPCI_LEGACY | |
2131 | /* XXX At this time the legacy registers are probably deprogrammed. */ | |
2132 | #endif | |
2133 | ||
2134 | ymfpci_download_image(unit); | |
2135 | ||
2136 | ymf_memload(unit); | |
2137 | ||
2138 | spin_lock_irqsave(&unit->reg_lock, flags); | |
2139 | ||
2140 | if (unit->start_count) { | |
2141 | ymfpci_writel(unit, YDSXGR_MODE, 3); | |
2142 | unit->active_bank = ymfpci_readl(unit, YDSXGR_CTRLSELECT) & 1; | |
2143 | } | |
2144 | ||
2145 | for (i = 0; i < NR_AC97; i++) { | |
2146 | if ((codec = unit->ac97_codec[i]) != NULL) | |
2147 | ac97_restore_state(codec); | |
2148 | } | |
2149 | ||
2150 | unit->suspended = 0; | |
2151 | list_for_each(p, &unit->states) { | |
2152 | state = list_entry(p, struct ymf_state, chain); | |
2153 | wake_up(&state->wpcm.dmabuf.wait); | |
2154 | wake_up(&state->rpcm.dmabuf.wait); | |
2155 | } | |
2156 | ||
2157 | spin_unlock_irqrestore(&unit->reg_lock, flags); | |
2158 | return 0; | |
2159 | } | |
2160 | ||
2161 | /* | |
2162 | * initialization routines | |
2163 | */ | |
2164 | ||
2165 | #ifdef CONFIG_SOUND_YMFPCI_LEGACY | |
2166 | ||
2167 | static int ymfpci_setup_legacy(ymfpci_t *unit, struct pci_dev *pcidev) | |
2168 | { | |
2169 | int v; | |
2170 | int mpuio = -1, oplio = -1; | |
2171 | ||
2172 | switch (unit->iomidi) { | |
2173 | case 0x330: | |
2174 | mpuio = 0; | |
2175 | break; | |
2176 | case 0x300: | |
2177 | mpuio = 1; | |
2178 | break; | |
2179 | case 0x332: | |
2180 | mpuio = 2; | |
2181 | break; | |
2182 | case 0x334: | |
2183 | mpuio = 3; | |
2184 | break; | |
2185 | default: ; | |
2186 | } | |
2187 | ||
2188 | switch (unit->iosynth) { | |
2189 | case 0x388: | |
2190 | oplio = 0; | |
2191 | break; | |
2192 | case 0x398: | |
2193 | oplio = 1; | |
2194 | break; | |
2195 | case 0x3a0: | |
2196 | oplio = 2; | |
2197 | break; | |
2198 | case 0x3a8: | |
2199 | oplio = 3; | |
2200 | break; | |
2201 | default: ; | |
2202 | } | |
2203 | ||
2204 | if (mpuio >= 0 || oplio >= 0) { | |
2205 | /* 0x0020: 1 - 10 bits of I/O address decoded, 0 - 16 bits. */ | |
2206 | v = 0x001e; | |
2207 | pci_write_config_word(pcidev, PCIR_LEGCTRL, v); | |
2208 | ||
2209 | switch (pcidev->device) { | |
2210 | case PCI_DEVICE_ID_YAMAHA_724: | |
2211 | case PCI_DEVICE_ID_YAMAHA_740: | |
2212 | case PCI_DEVICE_ID_YAMAHA_724F: | |
2213 | case PCI_DEVICE_ID_YAMAHA_740C: | |
2214 | v = 0x8800; | |
2215 | if (mpuio >= 0) { v |= mpuio<<4; } | |
2216 | if (oplio >= 0) { v |= oplio; } | |
2217 | pci_write_config_word(pcidev, PCIR_ELEGCTRL, v); | |
2218 | break; | |
2219 | ||
2220 | case PCI_DEVICE_ID_YAMAHA_744: | |
2221 | case PCI_DEVICE_ID_YAMAHA_754: | |
2222 | v = 0x8800; | |
2223 | pci_write_config_word(pcidev, PCIR_ELEGCTRL, v); | |
2224 | if (oplio >= 0) { | |
2225 | pci_write_config_word(pcidev, PCIR_OPLADR, unit->iosynth); | |
2226 | } | |
2227 | if (mpuio >= 0) { | |
2228 | pci_write_config_word(pcidev, PCIR_MPUADR, unit->iomidi); | |
2229 | } | |
2230 | break; | |
2231 | ||
2232 | default: | |
2233 | printk(KERN_ERR "ymfpci: Unknown device ID: 0x%x\n", | |
2234 | pcidev->device); | |
2235 | return -EINVAL; | |
2236 | } | |
2237 | } | |
2238 | ||
2239 | return 0; | |
2240 | } | |
2241 | #endif /* CONFIG_SOUND_YMFPCI_LEGACY */ | |
2242 | ||
2243 | static void ymfpci_aclink_reset(struct pci_dev * pci) | |
2244 | { | |
2245 | u8 cmd; | |
2246 | ||
2247 | /* | |
2248 | * In the 744, 754 only 0x01 exists, 0x02 is undefined. | |
2249 | * It does not seem to hurt to trip both regardless of revision. | |
2250 | */ | |
2251 | pci_read_config_byte(pci, PCIR_DSXGCTRL, &cmd); | |
2252 | pci_write_config_byte(pci, PCIR_DSXGCTRL, cmd & 0xfc); | |
2253 | pci_write_config_byte(pci, PCIR_DSXGCTRL, cmd | 0x03); | |
2254 | pci_write_config_byte(pci, PCIR_DSXGCTRL, cmd & 0xfc); | |
2255 | ||
2256 | pci_write_config_word(pci, PCIR_DSXPWRCTRL1, 0); | |
2257 | pci_write_config_word(pci, PCIR_DSXPWRCTRL2, 0); | |
2258 | } | |
2259 | ||
2260 | static void ymfpci_enable_dsp(ymfpci_t *codec) | |
2261 | { | |
2262 | ymfpci_writel(codec, YDSXGR_CONFIG, 0x00000001); | |
2263 | } | |
2264 | ||
2265 | static void ymfpci_disable_dsp(ymfpci_t *codec) | |
2266 | { | |
2267 | u32 val; | |
2268 | int timeout = 1000; | |
2269 | ||
2270 | val = ymfpci_readl(codec, YDSXGR_CONFIG); | |
2271 | if (val) | |
2272 | ymfpci_writel(codec, YDSXGR_CONFIG, 0x00000000); | |
2273 | while (timeout-- > 0) { | |
2274 | val = ymfpci_readl(codec, YDSXGR_STATUS); | |
2275 | if ((val & 0x00000002) == 0) | |
2276 | break; | |
2277 | } | |
2278 | } | |
2279 | ||
2280 | #include "ymfpci_image.h" | |
2281 | ||
2282 | static void ymfpci_download_image(ymfpci_t *codec) | |
2283 | { | |
2284 | int i, ver_1e; | |
2285 | u16 ctrl; | |
2286 | ||
2287 | ymfpci_writel(codec, YDSXGR_NATIVEDACOUTVOL, 0x00000000); | |
2288 | ymfpci_disable_dsp(codec); | |
2289 | ymfpci_writel(codec, YDSXGR_MODE, 0x00010000); | |
2290 | ymfpci_writel(codec, YDSXGR_MODE, 0x00000000); | |
2291 | ymfpci_writel(codec, YDSXGR_MAPOFREC, 0x00000000); | |
2292 | ymfpci_writel(codec, YDSXGR_MAPOFEFFECT, 0x00000000); | |
2293 | ymfpci_writel(codec, YDSXGR_PLAYCTRLBASE, 0x00000000); | |
2294 | ymfpci_writel(codec, YDSXGR_RECCTRLBASE, 0x00000000); | |
2295 | ymfpci_writel(codec, YDSXGR_EFFCTRLBASE, 0x00000000); | |
2296 | ctrl = ymfpci_readw(codec, YDSXGR_GLOBALCTRL); | |
2297 | ymfpci_writew(codec, YDSXGR_GLOBALCTRL, ctrl & ~0x0007); | |
2298 | ||
2299 | /* setup DSP instruction code */ | |
2300 | for (i = 0; i < YDSXG_DSPLENGTH / 4; i++) | |
2301 | ymfpci_writel(codec, YDSXGR_DSPINSTRAM + (i << 2), DspInst[i]); | |
2302 | ||
2303 | switch (codec->pci->device) { | |
2304 | case PCI_DEVICE_ID_YAMAHA_724F: | |
2305 | case PCI_DEVICE_ID_YAMAHA_740C: | |
2306 | case PCI_DEVICE_ID_YAMAHA_744: | |
2307 | case PCI_DEVICE_ID_YAMAHA_754: | |
2308 | ver_1e = 1; | |
2309 | break; | |
2310 | default: | |
2311 | ver_1e = 0; | |
2312 | } | |
2313 | ||
2314 | if (ver_1e) { | |
2315 | /* setup control instruction code */ | |
2316 | for (i = 0; i < YDSXG_CTRLLENGTH / 4; i++) | |
2317 | ymfpci_writel(codec, YDSXGR_CTRLINSTRAM + (i << 2), CntrlInst1E[i]); | |
2318 | } else { | |
2319 | for (i = 0; i < YDSXG_CTRLLENGTH / 4; i++) | |
2320 | ymfpci_writel(codec, YDSXGR_CTRLINSTRAM + (i << 2), CntrlInst[i]); | |
2321 | } | |
2322 | ||
2323 | ymfpci_enable_dsp(codec); | |
2324 | ||
2325 | /* 0.02s sounds not too bad, we may do schedule_timeout() later. */ | |
2326 | mdelay(20); /* seems we need some delay after downloading image.. */ | |
2327 | } | |
2328 | ||
2329 | static int ymfpci_memalloc(ymfpci_t *codec) | |
2330 | { | |
2331 | unsigned int playback_ctrl_size; | |
2332 | unsigned int bank_size_playback; | |
2333 | unsigned int bank_size_capture; | |
2334 | unsigned int bank_size_effect; | |
2335 | unsigned int size; | |
2336 | unsigned int off; | |
2337 | char *ptr; | |
2338 | dma_addr_t pba; | |
2339 | int voice, bank; | |
2340 | ||
2341 | playback_ctrl_size = 4 + 4 * YDSXG_PLAYBACK_VOICES; | |
2342 | bank_size_playback = ymfpci_readl(codec, YDSXGR_PLAYCTRLSIZE) << 2; | |
2343 | bank_size_capture = ymfpci_readl(codec, YDSXGR_RECCTRLSIZE) << 2; | |
2344 | bank_size_effect = ymfpci_readl(codec, YDSXGR_EFFCTRLSIZE) << 2; | |
2345 | codec->work_size = YDSXG_DEFAULT_WORK_SIZE; | |
2346 | ||
2347 | size = ((playback_ctrl_size + 0x00ff) & ~0x00ff) + | |
2348 | ((bank_size_playback * 2 * YDSXG_PLAYBACK_VOICES + 0xff) & ~0xff) + | |
2349 | ((bank_size_capture * 2 * YDSXG_CAPTURE_VOICES + 0xff) & ~0xff) + | |
2350 | ((bank_size_effect * 2 * YDSXG_EFFECT_VOICES + 0xff) & ~0xff) + | |
2351 | codec->work_size; | |
2352 | ||
2353 | ptr = pci_alloc_consistent(codec->pci, size + 0xff, &pba); | |
2354 | if (ptr == NULL) | |
2355 | return -ENOMEM; | |
2356 | codec->dma_area_va = ptr; | |
2357 | codec->dma_area_ba = pba; | |
2358 | codec->dma_area_size = size + 0xff; | |
2359 | ||
2360 | off = (unsigned long)ptr & 0xff; | |
2361 | if (off) { | |
2362 | ptr += 0x100 - off; | |
2363 | pba += 0x100 - off; | |
2364 | } | |
2365 | ||
2366 | /* | |
2367 | * Hardware requires only ptr[playback_ctrl_size] zeroed, | |
2368 | * but in our judgement it is a wrong kind of savings, so clear it all. | |
2369 | */ | |
2370 | memset(ptr, 0, size); | |
2371 | ||
2372 | codec->ctrl_playback = (u32 *)ptr; | |
2373 | codec->ctrl_playback_ba = pba; | |
2374 | codec->ctrl_playback[0] = cpu_to_le32(YDSXG_PLAYBACK_VOICES); | |
2375 | ptr += (playback_ctrl_size + 0x00ff) & ~0x00ff; | |
2376 | pba += (playback_ctrl_size + 0x00ff) & ~0x00ff; | |
2377 | ||
2378 | off = 0; | |
2379 | for (voice = 0; voice < YDSXG_PLAYBACK_VOICES; voice++) { | |
2380 | codec->voices[voice].number = voice; | |
2381 | codec->voices[voice].bank = | |
2382 | (ymfpci_playback_bank_t *) (ptr + off); | |
2383 | codec->voices[voice].bank_ba = pba + off; | |
2384 | off += 2 * bank_size_playback; /* 2 banks */ | |
2385 | } | |
2386 | off = (off + 0xff) & ~0xff; | |
2387 | ptr += off; | |
2388 | pba += off; | |
2389 | ||
2390 | off = 0; | |
2391 | codec->bank_base_capture = pba; | |
2392 | for (voice = 0; voice < YDSXG_CAPTURE_VOICES; voice++) | |
2393 | for (bank = 0; bank < 2; bank++) { | |
2394 | codec->bank_capture[voice][bank] = | |
2395 | (ymfpci_capture_bank_t *) (ptr + off); | |
2396 | off += bank_size_capture; | |
2397 | } | |
2398 | off = (off + 0xff) & ~0xff; | |
2399 | ptr += off; | |
2400 | pba += off; | |
2401 | ||
2402 | off = 0; | |
2403 | codec->bank_base_effect = pba; | |
2404 | for (voice = 0; voice < YDSXG_EFFECT_VOICES; voice++) | |
2405 | for (bank = 0; bank < 2; bank++) { | |
2406 | codec->bank_effect[voice][bank] = | |
2407 | (ymfpci_effect_bank_t *) (ptr + off); | |
2408 | off += bank_size_effect; | |
2409 | } | |
2410 | off = (off + 0xff) & ~0xff; | |
2411 | ptr += off; | |
2412 | pba += off; | |
2413 | ||
2414 | codec->work_base = pba; | |
2415 | ||
2416 | return 0; | |
2417 | } | |
2418 | ||
2419 | static void ymfpci_memfree(ymfpci_t *codec) | |
2420 | { | |
2421 | ymfpci_writel(codec, YDSXGR_PLAYCTRLBASE, 0); | |
2422 | ymfpci_writel(codec, YDSXGR_RECCTRLBASE, 0); | |
2423 | ymfpci_writel(codec, YDSXGR_EFFCTRLBASE, 0); | |
2424 | ymfpci_writel(codec, YDSXGR_WORKBASE, 0); | |
2425 | ymfpci_writel(codec, YDSXGR_WORKSIZE, 0); | |
2426 | pci_free_consistent(codec->pci, | |
2427 | codec->dma_area_size, codec->dma_area_va, codec->dma_area_ba); | |
2428 | } | |
2429 | ||
2430 | static void ymf_memload(ymfpci_t *unit) | |
2431 | { | |
2432 | ||
2433 | ymfpci_writel(unit, YDSXGR_PLAYCTRLBASE, unit->ctrl_playback_ba); | |
2434 | ymfpci_writel(unit, YDSXGR_RECCTRLBASE, unit->bank_base_capture); | |
2435 | ymfpci_writel(unit, YDSXGR_EFFCTRLBASE, unit->bank_base_effect); | |
2436 | ymfpci_writel(unit, YDSXGR_WORKBASE, unit->work_base); | |
2437 | ymfpci_writel(unit, YDSXGR_WORKSIZE, unit->work_size >> 2); | |
2438 | ||
2439 | /* S/PDIF output initialization */ | |
2440 | ymfpci_writew(unit, YDSXGR_SPDIFOUTCTRL, 0); | |
2441 | ymfpci_writew(unit, YDSXGR_SPDIFOUTSTATUS, | |
2442 | SND_PCM_AES0_CON_EMPHASIS_NONE | | |
2443 | (SND_PCM_AES1_CON_ORIGINAL << 8) | | |
2444 | (SND_PCM_AES1_CON_PCM_CODER << 8)); | |
2445 | ||
2446 | /* S/PDIF input initialization */ | |
2447 | ymfpci_writew(unit, YDSXGR_SPDIFINCTRL, 0); | |
2448 | ||
2449 | /* move this volume setup to mixer */ | |
2450 | ymfpci_writel(unit, YDSXGR_NATIVEDACOUTVOL, 0x3fff3fff); | |
2451 | ymfpci_writel(unit, YDSXGR_BUF441OUTVOL, 0); | |
2452 | ymfpci_writel(unit, YDSXGR_NATIVEADCINVOL, 0x3fff3fff); | |
2453 | ymfpci_writel(unit, YDSXGR_NATIVEDACINVOL, 0x3fff3fff); | |
2454 | } | |
2455 | ||
2456 | static int ymf_ac97_init(ymfpci_t *unit, int num_ac97) | |
2457 | { | |
2458 | struct ac97_codec *codec; | |
2459 | u16 eid; | |
2460 | ||
2461 | if ((codec = ac97_alloc_codec()) == NULL) | |
2462 | return -ENOMEM; | |
2463 | ||
2464 | /* initialize some basic codec information, other fields will be filled | |
2465 | in ac97_probe_codec */ | |
2466 | codec->private_data = unit; | |
2467 | codec->id = num_ac97; | |
2468 | ||
2469 | codec->codec_read = ymfpci_codec_read; | |
2470 | codec->codec_write = ymfpci_codec_write; | |
2471 | ||
2472 | if (ac97_probe_codec(codec) == 0) { | |
2473 | printk(KERN_ERR "ymfpci: ac97_probe_codec failed\n"); | |
2474 | goto out_kfree; | |
2475 | } | |
2476 | ||
2477 | eid = ymfpci_codec_read(codec, AC97_EXTENDED_ID); | |
2478 | if (eid==0xFFFF) { | |
2479 | printk(KERN_WARNING "ymfpci: no codec attached ?\n"); | |
2480 | goto out_kfree; | |
2481 | } | |
2482 | ||
2483 | unit->ac97_features = eid; | |
2484 | ||
2485 | if ((codec->dev_mixer = register_sound_mixer(&ymf_mixer_fops, -1)) < 0) { | |
2486 | printk(KERN_ERR "ymfpci: couldn't register mixer!\n"); | |
2487 | goto out_kfree; | |
2488 | } | |
2489 | ||
2490 | unit->ac97_codec[num_ac97] = codec; | |
2491 | ||
2492 | return 0; | |
2493 | out_kfree: | |
2494 | ac97_release_codec(codec); | |
2495 | return -ENODEV; | |
2496 | } | |
2497 | ||
2498 | #ifdef CONFIG_SOUND_YMFPCI_LEGACY | |
2499 | # ifdef MODULE | |
2500 | static int mpu_io; | |
2501 | static int synth_io; | |
2502 | module_param(mpu_io, int, 0); | |
2503 | module_param(synth_io, int, 0); | |
2504 | # else | |
2505 | static int mpu_io = 0x330; | |
2506 | static int synth_io = 0x388; | |
2507 | # endif | |
2508 | static int assigned; | |
2509 | #endif /* CONFIG_SOUND_YMFPCI_LEGACY */ | |
2510 | ||
2511 | static int __devinit ymf_probe_one(struct pci_dev *pcidev, const struct pci_device_id *ent) | |
2512 | { | |
2513 | u16 ctrl; | |
2514 | unsigned long base; | |
2515 | ymfpci_t *codec; | |
2516 | ||
2517 | int err; | |
2518 | ||
2519 | if ((err = pci_enable_device(pcidev)) != 0) { | |
2520 | printk(KERN_ERR "ymfpci: pci_enable_device failed\n"); | |
2521 | return err; | |
2522 | } | |
2523 | base = pci_resource_start(pcidev, 0); | |
2524 | ||
2525 | if ((codec = kmalloc(sizeof(ymfpci_t), GFP_KERNEL)) == NULL) { | |
2526 | printk(KERN_ERR "ymfpci: no core\n"); | |
2527 | return -ENOMEM; | |
2528 | } | |
2529 | memset(codec, 0, sizeof(*codec)); | |
2530 | ||
2531 | spin_lock_init(&codec->reg_lock); | |
2532 | spin_lock_init(&codec->voice_lock); | |
2533 | spin_lock_init(&codec->ac97_lock); | |
2534 | init_MUTEX(&codec->open_sem); | |
2535 | INIT_LIST_HEAD(&codec->states); | |
2536 | codec->pci = pcidev; | |
2537 | ||
2538 | pci_read_config_byte(pcidev, PCI_REVISION_ID, &codec->rev); | |
2539 | ||
2540 | if (request_mem_region(base, 0x8000, "ymfpci") == NULL) { | |
2541 | printk(KERN_ERR "ymfpci: unable to request mem region\n"); | |
2542 | goto out_free; | |
2543 | } | |
2544 | ||
2545 | if ((codec->reg_area_virt = ioremap(base, 0x8000)) == NULL) { | |
2546 | printk(KERN_ERR "ymfpci: unable to map registers\n"); | |
2547 | goto out_release_region; | |
2548 | } | |
2549 | ||
2550 | pci_set_master(pcidev); | |
2551 | ||
2552 | printk(KERN_INFO "ymfpci: %s at 0x%lx IRQ %d\n", | |
2553 | (char *)ent->driver_data, base, pcidev->irq); | |
2554 | ||
2555 | ymfpci_aclink_reset(pcidev); | |
2556 | if (ymfpci_codec_ready(codec, 0, 1) < 0) | |
2557 | goto out_unmap; | |
2558 | ||
2559 | #ifdef CONFIG_SOUND_YMFPCI_LEGACY | |
2560 | if (assigned == 0) { | |
2561 | codec->iomidi = mpu_io; | |
2562 | codec->iosynth = synth_io; | |
2563 | if (ymfpci_setup_legacy(codec, pcidev) < 0) | |
2564 | goto out_unmap; | |
2565 | assigned = 1; | |
2566 | } | |
2567 | #endif | |
2568 | ||
2569 | ymfpci_download_image(codec); | |
2570 | ||
2571 | if (ymfpci_memalloc(codec) < 0) | |
2572 | goto out_disable_dsp; | |
2573 | ymf_memload(codec); | |
2574 | ||
2575 | if (request_irq(pcidev->irq, ymf_interrupt, SA_SHIRQ, "ymfpci", codec) != 0) { | |
2576 | printk(KERN_ERR "ymfpci: unable to request IRQ %d\n", | |
2577 | pcidev->irq); | |
2578 | goto out_memfree; | |
2579 | } | |
2580 | ||
2581 | /* register /dev/dsp */ | |
2582 | if ((codec->dev_audio = register_sound_dsp(&ymf_fops, -1)) < 0) { | |
2583 | printk(KERN_ERR "ymfpci: unable to register dsp\n"); | |
2584 | goto out_free_irq; | |
2585 | } | |
2586 | ||
2587 | /* | |
2588 | * Poke just the primary for the moment. | |
2589 | */ | |
2590 | if ((err = ymf_ac97_init(codec, 0)) != 0) | |
2591 | goto out_unregister_sound_dsp; | |
2592 | ||
2593 | #ifdef CONFIG_SOUND_YMFPCI_LEGACY | |
2594 | codec->opl3_data.name = "ymfpci"; | |
2595 | codec->mpu_data.name = "ymfpci"; | |
2596 | ||
2597 | codec->opl3_data.io_base = codec->iosynth; | |
2598 | codec->opl3_data.irq = -1; | |
2599 | ||
2600 | codec->mpu_data.io_base = codec->iomidi; | |
2601 | codec->mpu_data.irq = -1; /* May be different from our PCI IRQ. */ | |
2602 | ||
2603 | if (codec->iomidi) { | |
2604 | if (!probe_uart401(&codec->mpu_data, THIS_MODULE)) { | |
2605 | codec->iomidi = 0; /* XXX kludge */ | |
2606 | } | |
2607 | } | |
2608 | #endif /* CONFIG_SOUND_YMFPCI_LEGACY */ | |
2609 | ||
2610 | /* put it into driver list */ | |
2611 | spin_lock(&ymf_devs_lock); | |
2612 | list_add_tail(&codec->ymf_devs, &ymf_devs); | |
2613 | spin_unlock(&ymf_devs_lock); | |
2614 | pci_set_drvdata(pcidev, codec); | |
2615 | ||
2616 | return 0; | |
2617 | ||
2618 | out_unregister_sound_dsp: | |
2619 | unregister_sound_dsp(codec->dev_audio); | |
2620 | out_free_irq: | |
2621 | free_irq(pcidev->irq, codec); | |
2622 | out_memfree: | |
2623 | ymfpci_memfree(codec); | |
2624 | out_disable_dsp: | |
2625 | ymfpci_disable_dsp(codec); | |
2626 | ctrl = ymfpci_readw(codec, YDSXGR_GLOBALCTRL); | |
2627 | ymfpci_writew(codec, YDSXGR_GLOBALCTRL, ctrl & ~0x0007); | |
2628 | ymfpci_writel(codec, YDSXGR_STATUS, ~0); | |
2629 | out_unmap: | |
2630 | iounmap(codec->reg_area_virt); | |
2631 | out_release_region: | |
2632 | release_mem_region(pci_resource_start(pcidev, 0), 0x8000); | |
2633 | out_free: | |
2634 | if (codec->ac97_codec[0]) | |
2635 | ac97_release_codec(codec->ac97_codec[0]); | |
2636 | return -ENODEV; | |
2637 | } | |
2638 | ||
2639 | static void __devexit ymf_remove_one(struct pci_dev *pcidev) | |
2640 | { | |
2641 | __u16 ctrl; | |
2642 | ymfpci_t *codec = pci_get_drvdata(pcidev); | |
2643 | ||
2644 | /* remove from list of devices */ | |
2645 | spin_lock(&ymf_devs_lock); | |
2646 | list_del(&codec->ymf_devs); | |
2647 | spin_unlock(&ymf_devs_lock); | |
2648 | ||
2649 | unregister_sound_mixer(codec->ac97_codec[0]->dev_mixer); | |
2650 | ac97_release_codec(codec->ac97_codec[0]); | |
2651 | unregister_sound_dsp(codec->dev_audio); | |
2652 | free_irq(pcidev->irq, codec); | |
2653 | ymfpci_memfree(codec); | |
2654 | ymfpci_writel(codec, YDSXGR_STATUS, ~0); | |
2655 | ymfpci_disable_dsp(codec); | |
2656 | ctrl = ymfpci_readw(codec, YDSXGR_GLOBALCTRL); | |
2657 | ymfpci_writew(codec, YDSXGR_GLOBALCTRL, ctrl & ~0x0007); | |
2658 | iounmap(codec->reg_area_virt); | |
2659 | release_mem_region(pci_resource_start(pcidev, 0), 0x8000); | |
2660 | #ifdef CONFIG_SOUND_YMFPCI_LEGACY | |
2661 | if (codec->iomidi) { | |
2662 | unload_uart401(&codec->mpu_data); | |
2663 | } | |
2664 | #endif /* CONFIG_SOUND_YMFPCI_LEGACY */ | |
2665 | } | |
2666 | ||
2667 | MODULE_AUTHOR("Jaroslav Kysela"); | |
2668 | MODULE_DESCRIPTION("Yamaha YMF7xx PCI Audio"); | |
2669 | MODULE_LICENSE("GPL"); | |
2670 | ||
2671 | static struct pci_driver ymfpci_driver = { | |
2672 | .name = "ymfpci", | |
2673 | .id_table = ymf_id_tbl, | |
2674 | .probe = ymf_probe_one, | |
2675 | .remove = __devexit_p(ymf_remove_one), | |
2676 | .suspend = ymf_suspend, | |
2677 | .resume = ymf_resume | |
2678 | }; | |
2679 | ||
2680 | static int __init ymf_init_module(void) | |
2681 | { | |
2682 | return pci_module_init(&ymfpci_driver); | |
2683 | } | |
2684 | ||
2685 | static void __exit ymf_cleanup_module (void) | |
2686 | { | |
2687 | pci_unregister_driver(&ymfpci_driver); | |
2688 | } | |
2689 | ||
2690 | module_init(ymf_init_module); | |
2691 | module_exit(ymf_cleanup_module); |