Commit | Line | Data |
---|---|---|
1da177e4 | 1 | /* |
c1017a4c | 2 | * Copyright (c) by Jaroslav Kysela <perex@perex.cz> |
1da177e4 LT |
3 | * Routines for control of GF1 chip (PCM things) |
4 | * | |
5 | * InterWave chips supports interleaved DMA, but this feature isn't used in | |
6 | * this code. | |
7 | * | |
8 | * This code emulates autoinit DMA transfer for playback, recording by GF1 | |
9 | * chip doesn't support autoinit DMA. | |
10 | * | |
11 | * | |
12 | * This program is free software; you can redistribute it and/or modify | |
13 | * it under the terms of the GNU General Public License as published by | |
14 | * the Free Software Foundation; either version 2 of the License, or | |
15 | * (at your option) any later version. | |
16 | * | |
17 | * This program is distributed in the hope that it will be useful, | |
18 | * but WITHOUT ANY WARRANTY; without even the implied warranty of | |
19 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
20 | * GNU General Public License for more details. | |
21 | * | |
22 | * You should have received a copy of the GNU General Public License | |
23 | * along with this program; if not, write to the Free Software | |
24 | * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA | |
25 | * | |
26 | */ | |
27 | ||
1da177e4 LT |
28 | #include <asm/dma.h> |
29 | #include <linux/slab.h> | |
174cd4b1 IM |
30 | #include <linux/sched/signal.h> |
31 | ||
1da177e4 LT |
32 | #include <sound/core.h> |
33 | #include <sound/control.h> | |
34 | #include <sound/gus.h> | |
35 | #include <sound/pcm_params.h> | |
36 | #include "gus_tables.h" | |
37 | ||
38 | /* maximum rate */ | |
39 | ||
40 | #define SNDRV_GF1_PCM_RATE 48000 | |
41 | ||
42 | #define SNDRV_GF1_PCM_PFLG_NONE 0 | |
43 | #define SNDRV_GF1_PCM_PFLG_ACTIVE (1<<0) | |
44 | #define SNDRV_GF1_PCM_PFLG_NEUTRAL (2<<0) | |
45 | ||
5e2da206 TI |
46 | struct gus_pcm_private { |
47 | struct snd_gus_card * gus; | |
48 | struct snd_pcm_substream *substream; | |
1da177e4 LT |
49 | spinlock_t lock; |
50 | unsigned int voices; | |
5e2da206 | 51 | struct snd_gus_voice *pvoices[2]; |
1da177e4 LT |
52 | unsigned int memory; |
53 | unsigned short flags; | |
54 | unsigned char voice_ctrl, ramp_ctrl; | |
55 | unsigned int bpos; | |
56 | unsigned int blocks; | |
57 | unsigned int block_size; | |
58 | unsigned int dma_size; | |
59 | wait_queue_head_t sleep; | |
60 | atomic_t dma_count; | |
61 | int final_volume; | |
5e2da206 | 62 | }; |
1da177e4 LT |
63 | |
64 | static int snd_gf1_pcm_use_dma = 1; | |
65 | ||
5e2da206 | 66 | static void snd_gf1_pcm_block_change_ack(struct snd_gus_card * gus, void *private_data) |
1da177e4 | 67 | { |
5e2da206 | 68 | struct gus_pcm_private *pcmp = private_data; |
1da177e4 LT |
69 | |
70 | if (pcmp) { | |
71 | atomic_dec(&pcmp->dma_count); | |
72 | wake_up(&pcmp->sleep); | |
73 | } | |
74 | } | |
75 | ||
5e2da206 | 76 | static int snd_gf1_pcm_block_change(struct snd_pcm_substream *substream, |
1da177e4 LT |
77 | unsigned int offset, |
78 | unsigned int addr, | |
79 | unsigned int count) | |
80 | { | |
5e2da206 TI |
81 | struct snd_gf1_dma_block block; |
82 | struct snd_pcm_runtime *runtime = substream->runtime; | |
83 | struct gus_pcm_private *pcmp = runtime->private_data; | |
1da177e4 LT |
84 | |
85 | count += offset & 31; | |
86 | offset &= ~31; | |
91f05060 TI |
87 | /* |
88 | snd_printk(KERN_DEBUG "block change - offset = 0x%x, count = 0x%x\n", | |
89 | offset, count); | |
90 | */ | |
1da177e4 LT |
91 | memset(&block, 0, sizeof(block)); |
92 | block.cmd = SNDRV_GF1_DMA_IRQ; | |
93 | if (snd_pcm_format_unsigned(runtime->format)) | |
94 | block.cmd |= SNDRV_GF1_DMA_UNSIGNED; | |
95 | if (snd_pcm_format_width(runtime->format) == 16) | |
96 | block.cmd |= SNDRV_GF1_DMA_16BIT; | |
97 | block.addr = addr & ~31; | |
98 | block.buffer = runtime->dma_area + offset; | |
99 | block.buf_addr = runtime->dma_addr + offset; | |
100 | block.count = count; | |
101 | block.private_data = pcmp; | |
102 | block.ack = snd_gf1_pcm_block_change_ack; | |
103 | if (!snd_gf1_dma_transfer_block(pcmp->gus, &block, 0, 0)) | |
104 | atomic_inc(&pcmp->dma_count); | |
105 | return 0; | |
106 | } | |
107 | ||
5e2da206 | 108 | static void snd_gf1_pcm_trigger_up(struct snd_pcm_substream *substream) |
1da177e4 | 109 | { |
5e2da206 TI |
110 | struct snd_pcm_runtime *runtime = substream->runtime; |
111 | struct gus_pcm_private *pcmp = runtime->private_data; | |
112 | struct snd_gus_card * gus = pcmp->gus; | |
1da177e4 LT |
113 | unsigned long flags; |
114 | unsigned char voice_ctrl, ramp_ctrl; | |
115 | unsigned short rate; | |
116 | unsigned int curr, begin, end; | |
117 | unsigned short vol; | |
118 | unsigned char pan; | |
119 | unsigned int voice; | |
120 | ||
1da177e4 LT |
121 | spin_lock_irqsave(&pcmp->lock, flags); |
122 | if (pcmp->flags & SNDRV_GF1_PCM_PFLG_ACTIVE) { | |
123 | spin_unlock_irqrestore(&pcmp->lock, flags); | |
124 | return; | |
125 | } | |
126 | pcmp->flags |= SNDRV_GF1_PCM_PFLG_ACTIVE; | |
127 | pcmp->final_volume = 0; | |
128 | spin_unlock_irqrestore(&pcmp->lock, flags); | |
129 | rate = snd_gf1_translate_freq(gus, runtime->rate << 4); | |
130 | /* enable WAVE IRQ */ | |
131 | voice_ctrl = snd_pcm_format_width(runtime->format) == 16 ? 0x24 : 0x20; | |
132 | /* enable RAMP IRQ + rollover */ | |
133 | ramp_ctrl = 0x24; | |
134 | if (pcmp->blocks == 1) { | |
135 | voice_ctrl |= 0x08; /* loop enable */ | |
136 | ramp_ctrl &= ~0x04; /* disable rollover */ | |
137 | } | |
138 | for (voice = 0; voice < pcmp->voices; voice++) { | |
139 | begin = pcmp->memory + voice * (pcmp->dma_size / runtime->channels); | |
140 | curr = begin + (pcmp->bpos * pcmp->block_size) / runtime->channels; | |
141 | end = curr + (pcmp->block_size / runtime->channels); | |
142 | end -= snd_pcm_format_width(runtime->format) == 16 ? 2 : 1; | |
91f05060 TI |
143 | /* |
144 | snd_printk(KERN_DEBUG "init: curr=0x%x, begin=0x%x, end=0x%x, " | |
145 | "ctrl=0x%x, ramp=0x%x, rate=0x%x\n", | |
146 | curr, begin, end, voice_ctrl, ramp_ctrl, rate); | |
147 | */ | |
1da177e4 LT |
148 | pan = runtime->channels == 2 ? (!voice ? 1 : 14) : 8; |
149 | vol = !voice ? gus->gf1.pcm_volume_level_left : gus->gf1.pcm_volume_level_right; | |
150 | spin_lock_irqsave(&gus->reg_lock, flags); | |
151 | snd_gf1_select_voice(gus, pcmp->pvoices[voice]->number); | |
152 | snd_gf1_write8(gus, SNDRV_GF1_VB_PAN, pan); | |
153 | snd_gf1_write16(gus, SNDRV_GF1_VW_FREQUENCY, rate); | |
154 | snd_gf1_write_addr(gus, SNDRV_GF1_VA_START, begin << 4, voice_ctrl & 4); | |
155 | snd_gf1_write_addr(gus, SNDRV_GF1_VA_END, end << 4, voice_ctrl & 4); | |
156 | snd_gf1_write_addr(gus, SNDRV_GF1_VA_CURRENT, curr << 4, voice_ctrl & 4); | |
157 | snd_gf1_write16(gus, SNDRV_GF1_VW_VOLUME, SNDRV_GF1_MIN_VOLUME << 4); | |
158 | snd_gf1_write8(gus, SNDRV_GF1_VB_VOLUME_RATE, 0x2f); | |
159 | snd_gf1_write8(gus, SNDRV_GF1_VB_VOLUME_START, SNDRV_GF1_MIN_OFFSET); | |
160 | snd_gf1_write8(gus, SNDRV_GF1_VB_VOLUME_END, vol >> 8); | |
161 | snd_gf1_write8(gus, SNDRV_GF1_VB_VOLUME_CONTROL, ramp_ctrl); | |
162 | if (!gus->gf1.enh_mode) { | |
163 | snd_gf1_delay(gus); | |
164 | snd_gf1_write8(gus, SNDRV_GF1_VB_VOLUME_CONTROL, ramp_ctrl); | |
165 | } | |
166 | spin_unlock_irqrestore(&gus->reg_lock, flags); | |
167 | } | |
168 | spin_lock_irqsave(&gus->reg_lock, flags); | |
169 | for (voice = 0; voice < pcmp->voices; voice++) { | |
170 | snd_gf1_select_voice(gus, pcmp->pvoices[voice]->number); | |
171 | if (gus->gf1.enh_mode) | |
172 | snd_gf1_write8(gus, SNDRV_GF1_VB_MODE, 0x00); /* deactivate voice */ | |
173 | snd_gf1_write8(gus, SNDRV_GF1_VB_ADDRESS_CONTROL, voice_ctrl); | |
174 | voice_ctrl &= ~0x20; | |
175 | } | |
176 | voice_ctrl |= 0x20; | |
177 | if (!gus->gf1.enh_mode) { | |
178 | snd_gf1_delay(gus); | |
179 | for (voice = 0; voice < pcmp->voices; voice++) { | |
180 | snd_gf1_select_voice(gus, pcmp->pvoices[voice]->number); | |
181 | snd_gf1_write8(gus, SNDRV_GF1_VB_ADDRESS_CONTROL, voice_ctrl); | |
182 | voice_ctrl &= ~0x20; /* disable IRQ for next voice */ | |
183 | } | |
184 | } | |
185 | spin_unlock_irqrestore(&gus->reg_lock, flags); | |
186 | } | |
187 | ||
5e2da206 TI |
188 | static void snd_gf1_pcm_interrupt_wave(struct snd_gus_card * gus, |
189 | struct snd_gus_voice *pvoice) | |
1da177e4 | 190 | { |
5e2da206 TI |
191 | struct gus_pcm_private * pcmp; |
192 | struct snd_pcm_runtime *runtime; | |
1da177e4 LT |
193 | unsigned char voice_ctrl, ramp_ctrl; |
194 | unsigned int idx; | |
195 | unsigned int end, step; | |
196 | ||
197 | if (!pvoice->private_data) { | |
198 | snd_printd("snd_gf1_pcm: unknown wave irq?\n"); | |
199 | snd_gf1_smart_stop_voice(gus, pvoice->number); | |
200 | return; | |
201 | } | |
202 | pcmp = pvoice->private_data; | |
203 | if (pcmp == NULL) { | |
204 | snd_printd("snd_gf1_pcm: unknown wave irq?\n"); | |
205 | snd_gf1_smart_stop_voice(gus, pvoice->number); | |
206 | return; | |
207 | } | |
208 | gus = pcmp->gus; | |
209 | runtime = pcmp->substream->runtime; | |
210 | ||
211 | spin_lock(&gus->reg_lock); | |
212 | snd_gf1_select_voice(gus, pvoice->number); | |
213 | voice_ctrl = snd_gf1_read8(gus, SNDRV_GF1_VB_ADDRESS_CONTROL) & ~0x8b; | |
214 | ramp_ctrl = (snd_gf1_read8(gus, SNDRV_GF1_VB_VOLUME_CONTROL) & ~0xa4) | 0x03; | |
215 | #if 0 | |
216 | snd_gf1_select_voice(gus, pvoice->number); | |
91f05060 TI |
217 | printk(KERN_DEBUG "position = 0x%x\n", |
218 | (snd_gf1_read_addr(gus, SNDRV_GF1_VA_CURRENT, voice_ctrl & 4) >> 4)); | |
1da177e4 | 219 | snd_gf1_select_voice(gus, pcmp->pvoices[1]->number); |
91f05060 TI |
220 | printk(KERN_DEBUG "position = 0x%x\n", |
221 | (snd_gf1_read_addr(gus, SNDRV_GF1_VA_CURRENT, voice_ctrl & 4) >> 4)); | |
1da177e4 LT |
222 | snd_gf1_select_voice(gus, pvoice->number); |
223 | #endif | |
224 | pcmp->bpos++; | |
225 | pcmp->bpos %= pcmp->blocks; | |
226 | if (pcmp->bpos + 1 >= pcmp->blocks) { /* last block? */ | |
227 | voice_ctrl |= 0x08; /* enable loop */ | |
228 | } else { | |
229 | ramp_ctrl |= 0x04; /* enable rollover */ | |
230 | } | |
231 | end = pcmp->memory + (((pcmp->bpos + 1) * pcmp->block_size) / runtime->channels); | |
232 | end -= voice_ctrl & 4 ? 2 : 1; | |
233 | step = pcmp->dma_size / runtime->channels; | |
234 | voice_ctrl |= 0x20; | |
235 | if (!pcmp->final_volume) { | |
236 | ramp_ctrl |= 0x20; | |
237 | ramp_ctrl &= ~0x03; | |
238 | } | |
239 | for (idx = 0; idx < pcmp->voices; idx++, end += step) { | |
240 | snd_gf1_select_voice(gus, pcmp->pvoices[idx]->number); | |
241 | snd_gf1_write_addr(gus, SNDRV_GF1_VA_END, end << 4, voice_ctrl & 4); | |
242 | snd_gf1_write8(gus, SNDRV_GF1_VB_ADDRESS_CONTROL, voice_ctrl); | |
243 | snd_gf1_write8(gus, SNDRV_GF1_VB_VOLUME_CONTROL, ramp_ctrl); | |
244 | voice_ctrl &= ~0x20; | |
245 | } | |
246 | if (!gus->gf1.enh_mode) { | |
247 | snd_gf1_delay(gus); | |
248 | voice_ctrl |= 0x20; | |
249 | for (idx = 0; idx < pcmp->voices; idx++) { | |
250 | snd_gf1_select_voice(gus, pcmp->pvoices[idx]->number); | |
251 | snd_gf1_write8(gus, SNDRV_GF1_VB_ADDRESS_CONTROL, voice_ctrl); | |
252 | snd_gf1_write8(gus, SNDRV_GF1_VB_VOLUME_CONTROL, ramp_ctrl); | |
253 | voice_ctrl &= ~0x20; | |
254 | } | |
255 | } | |
256 | spin_unlock(&gus->reg_lock); | |
257 | ||
258 | snd_pcm_period_elapsed(pcmp->substream); | |
259 | #if 0 | |
260 | if ((runtime->flags & SNDRV_PCM_FLG_MMAP) && | |
261 | *runtime->state == SNDRV_PCM_STATE_RUNNING) { | |
262 | end = pcmp->bpos * pcmp->block_size; | |
263 | if (runtime->channels > 1) { | |
264 | snd_gf1_pcm_block_change(pcmp->substream, end, pcmp->memory + (end / 2), pcmp->block_size / 2); | |
265 | snd_gf1_pcm_block_change(pcmp->substream, end + (pcmp->block_size / 2), pcmp->memory + (pcmp->dma_size / 2) + (end / 2), pcmp->block_size / 2); | |
266 | } else { | |
267 | snd_gf1_pcm_block_change(pcmp->substream, end, pcmp->memory + end, pcmp->block_size); | |
268 | } | |
269 | } | |
270 | #endif | |
271 | } | |
272 | ||
5e2da206 TI |
273 | static void snd_gf1_pcm_interrupt_volume(struct snd_gus_card * gus, |
274 | struct snd_gus_voice * pvoice) | |
1da177e4 LT |
275 | { |
276 | unsigned short vol; | |
277 | int cvoice; | |
5e2da206 | 278 | struct gus_pcm_private *pcmp = pvoice->private_data; |
1da177e4 LT |
279 | |
280 | /* stop ramp, but leave rollover bit untouched */ | |
281 | spin_lock(&gus->reg_lock); | |
282 | snd_gf1_select_voice(gus, pvoice->number); | |
283 | snd_gf1_ctrl_stop(gus, SNDRV_GF1_VB_VOLUME_CONTROL); | |
284 | spin_unlock(&gus->reg_lock); | |
285 | if (pcmp == NULL) | |
286 | return; | |
287 | /* are we active? */ | |
288 | if (!(pcmp->flags & SNDRV_GF1_PCM_PFLG_ACTIVE)) | |
289 | return; | |
290 | /* load real volume - better precision */ | |
291 | cvoice = pcmp->pvoices[0] == pvoice ? 0 : 1; | |
292 | if (pcmp->substream == NULL) | |
293 | return; | |
294 | vol = !cvoice ? gus->gf1.pcm_volume_level_left : gus->gf1.pcm_volume_level_right; | |
295 | spin_lock(&gus->reg_lock); | |
296 | snd_gf1_select_voice(gus, pvoice->number); | |
297 | snd_gf1_write16(gus, SNDRV_GF1_VW_VOLUME, vol); | |
298 | pcmp->final_volume = 1; | |
299 | spin_unlock(&gus->reg_lock); | |
300 | } | |
301 | ||
5e2da206 | 302 | static void snd_gf1_pcm_volume_change(struct snd_gus_card * gus) |
1da177e4 LT |
303 | { |
304 | } | |
305 | ||
5e2da206 | 306 | static int snd_gf1_pcm_poke_block(struct snd_gus_card *gus, unsigned char *buf, |
1da177e4 LT |
307 | unsigned int pos, unsigned int count, |
308 | int w16, int invert) | |
309 | { | |
310 | unsigned int len; | |
311 | unsigned long flags; | |
312 | ||
91f05060 TI |
313 | /* |
314 | printk(KERN_DEBUG | |
315 | "poke block; buf = 0x%x, pos = %i, count = %i, port = 0x%x\n", | |
316 | (int)buf, pos, count, gus->gf1.port); | |
317 | */ | |
1da177e4 LT |
318 | while (count > 0) { |
319 | len = count; | |
320 | if (len > 512) /* limit, to allow IRQ */ | |
321 | len = 512; | |
322 | count -= len; | |
323 | if (gus->interwave) { | |
324 | spin_lock_irqsave(&gus->reg_lock, flags); | |
325 | snd_gf1_write8(gus, SNDRV_GF1_GB_MEMORY_CONTROL, 0x01 | (invert ? 0x08 : 0x00)); | |
326 | snd_gf1_dram_addr(gus, pos); | |
327 | if (w16) { | |
328 | outb(SNDRV_GF1_GW_DRAM_IO16, GUSP(gus, GF1REGSEL)); | |
329 | outsw(GUSP(gus, GF1DATALOW), buf, len >> 1); | |
330 | } else { | |
331 | outsb(GUSP(gus, DRAM), buf, len); | |
332 | } | |
333 | spin_unlock_irqrestore(&gus->reg_lock, flags); | |
334 | buf += 512; | |
335 | pos += 512; | |
336 | } else { | |
337 | invert = invert ? 0x80 : 0x00; | |
338 | if (w16) { | |
339 | len >>= 1; | |
340 | while (len--) { | |
341 | snd_gf1_poke(gus, pos++, *buf++); | |
342 | snd_gf1_poke(gus, pos++, *buf++ ^ invert); | |
343 | } | |
344 | } else { | |
345 | while (len--) | |
346 | snd_gf1_poke(gus, pos++, *buf++ ^ invert); | |
347 | } | |
348 | } | |
349 | if (count > 0 && !in_interrupt()) { | |
8433a509 | 350 | schedule_timeout_interruptible(1); |
1da177e4 LT |
351 | if (signal_pending(current)) |
352 | return -EAGAIN; | |
353 | } | |
354 | } | |
355 | return 0; | |
356 | } | |
357 | ||
5e2da206 | 358 | static int snd_gf1_pcm_playback_copy(struct snd_pcm_substream *substream, |
1da177e4 LT |
359 | int voice, |
360 | snd_pcm_uframes_t pos, | |
361 | void __user *src, | |
362 | snd_pcm_uframes_t count) | |
363 | { | |
5e2da206 TI |
364 | struct snd_pcm_runtime *runtime = substream->runtime; |
365 | struct gus_pcm_private *pcmp = runtime->private_data; | |
1da177e4 LT |
366 | unsigned int bpos, len; |
367 | ||
368 | bpos = samples_to_bytes(runtime, pos) + (voice * (pcmp->dma_size / 2)); | |
369 | len = samples_to_bytes(runtime, count); | |
622207dc TI |
370 | if (snd_BUG_ON(bpos > pcmp->dma_size)) |
371 | return -EIO; | |
372 | if (snd_BUG_ON(bpos + len > pcmp->dma_size)) | |
373 | return -EIO; | |
1da177e4 LT |
374 | if (copy_from_user(runtime->dma_area + bpos, src, len)) |
375 | return -EFAULT; | |
376 | if (snd_gf1_pcm_use_dma && len > 32) { | |
377 | return snd_gf1_pcm_block_change(substream, bpos, pcmp->memory + bpos, len); | |
378 | } else { | |
5e2da206 | 379 | struct snd_gus_card *gus = pcmp->gus; |
1da177e4 LT |
380 | int err, w16, invert; |
381 | ||
382 | w16 = (snd_pcm_format_width(runtime->format) == 16); | |
383 | invert = snd_pcm_format_unsigned(runtime->format); | |
384 | if ((err = snd_gf1_pcm_poke_block(gus, runtime->dma_area + bpos, pcmp->memory + bpos, len, w16, invert)) < 0) | |
385 | return err; | |
386 | } | |
387 | return 0; | |
388 | } | |
389 | ||
5e2da206 | 390 | static int snd_gf1_pcm_playback_silence(struct snd_pcm_substream *substream, |
1da177e4 LT |
391 | int voice, |
392 | snd_pcm_uframes_t pos, | |
393 | snd_pcm_uframes_t count) | |
394 | { | |
5e2da206 TI |
395 | struct snd_pcm_runtime *runtime = substream->runtime; |
396 | struct gus_pcm_private *pcmp = runtime->private_data; | |
1da177e4 LT |
397 | unsigned int bpos, len; |
398 | ||
399 | bpos = samples_to_bytes(runtime, pos) + (voice * (pcmp->dma_size / 2)); | |
400 | len = samples_to_bytes(runtime, count); | |
622207dc TI |
401 | if (snd_BUG_ON(bpos > pcmp->dma_size)) |
402 | return -EIO; | |
403 | if (snd_BUG_ON(bpos + len > pcmp->dma_size)) | |
404 | return -EIO; | |
1da177e4 LT |
405 | snd_pcm_format_set_silence(runtime->format, runtime->dma_area + bpos, count); |
406 | if (snd_gf1_pcm_use_dma && len > 32) { | |
407 | return snd_gf1_pcm_block_change(substream, bpos, pcmp->memory + bpos, len); | |
408 | } else { | |
5e2da206 | 409 | struct snd_gus_card *gus = pcmp->gus; |
1da177e4 LT |
410 | int err, w16, invert; |
411 | ||
412 | w16 = (snd_pcm_format_width(runtime->format) == 16); | |
413 | invert = snd_pcm_format_unsigned(runtime->format); | |
414 | if ((err = snd_gf1_pcm_poke_block(gus, runtime->dma_area + bpos, pcmp->memory + bpos, len, w16, invert)) < 0) | |
415 | return err; | |
416 | } | |
417 | return 0; | |
418 | } | |
419 | ||
5e2da206 TI |
420 | static int snd_gf1_pcm_playback_hw_params(struct snd_pcm_substream *substream, |
421 | struct snd_pcm_hw_params *hw_params) | |
1da177e4 | 422 | { |
5e2da206 TI |
423 | struct snd_gus_card *gus = snd_pcm_substream_chip(substream); |
424 | struct snd_pcm_runtime *runtime = substream->runtime; | |
425 | struct gus_pcm_private *pcmp = runtime->private_data; | |
1da177e4 LT |
426 | int err; |
427 | ||
428 | if ((err = snd_pcm_lib_malloc_pages(substream, params_buffer_bytes(hw_params))) < 0) | |
429 | return err; | |
430 | if (err > 0) { /* change */ | |
5e2da206 | 431 | struct snd_gf1_mem_block *block; |
1da177e4 LT |
432 | if (pcmp->memory > 0) { |
433 | snd_gf1_mem_free(&gus->gf1.mem_alloc, pcmp->memory); | |
434 | pcmp->memory = 0; | |
435 | } | |
436 | if ((block = snd_gf1_mem_alloc(&gus->gf1.mem_alloc, | |
437 | SNDRV_GF1_MEM_OWNER_DRIVER, | |
438 | "GF1 PCM", | |
439 | runtime->dma_bytes, 1, 32, | |
440 | NULL)) == NULL) | |
441 | return -ENOMEM; | |
442 | pcmp->memory = block->ptr; | |
443 | } | |
444 | pcmp->voices = params_channels(hw_params); | |
445 | if (pcmp->pvoices[0] == NULL) { | |
446 | if ((pcmp->pvoices[0] = snd_gf1_alloc_voice(pcmp->gus, SNDRV_GF1_VOICE_TYPE_PCM, 0, 0)) == NULL) | |
447 | return -ENOMEM; | |
448 | pcmp->pvoices[0]->handler_wave = snd_gf1_pcm_interrupt_wave; | |
449 | pcmp->pvoices[0]->handler_volume = snd_gf1_pcm_interrupt_volume; | |
450 | pcmp->pvoices[0]->volume_change = snd_gf1_pcm_volume_change; | |
451 | pcmp->pvoices[0]->private_data = pcmp; | |
452 | } | |
453 | if (pcmp->voices > 1 && pcmp->pvoices[1] == NULL) { | |
454 | if ((pcmp->pvoices[1] = snd_gf1_alloc_voice(pcmp->gus, SNDRV_GF1_VOICE_TYPE_PCM, 0, 0)) == NULL) | |
455 | return -ENOMEM; | |
456 | pcmp->pvoices[1]->handler_wave = snd_gf1_pcm_interrupt_wave; | |
457 | pcmp->pvoices[1]->handler_volume = snd_gf1_pcm_interrupt_volume; | |
458 | pcmp->pvoices[1]->volume_change = snd_gf1_pcm_volume_change; | |
459 | pcmp->pvoices[1]->private_data = pcmp; | |
460 | } else if (pcmp->voices == 1) { | |
461 | if (pcmp->pvoices[1]) { | |
462 | snd_gf1_free_voice(pcmp->gus, pcmp->pvoices[1]); | |
463 | pcmp->pvoices[1] = NULL; | |
464 | } | |
465 | } | |
466 | return 0; | |
467 | } | |
468 | ||
5e2da206 | 469 | static int snd_gf1_pcm_playback_hw_free(struct snd_pcm_substream *substream) |
1da177e4 | 470 | { |
5e2da206 TI |
471 | struct snd_pcm_runtime *runtime = substream->runtime; |
472 | struct gus_pcm_private *pcmp = runtime->private_data; | |
1da177e4 LT |
473 | |
474 | snd_pcm_lib_free_pages(substream); | |
475 | if (pcmp->pvoices[0]) { | |
476 | snd_gf1_free_voice(pcmp->gus, pcmp->pvoices[0]); | |
477 | pcmp->pvoices[0] = NULL; | |
478 | } | |
479 | if (pcmp->pvoices[1]) { | |
480 | snd_gf1_free_voice(pcmp->gus, pcmp->pvoices[1]); | |
481 | pcmp->pvoices[1] = NULL; | |
482 | } | |
483 | if (pcmp->memory > 0) { | |
484 | snd_gf1_mem_free(&pcmp->gus->gf1.mem_alloc, pcmp->memory); | |
485 | pcmp->memory = 0; | |
486 | } | |
487 | return 0; | |
488 | } | |
489 | ||
5e2da206 | 490 | static int snd_gf1_pcm_playback_prepare(struct snd_pcm_substream *substream) |
1da177e4 | 491 | { |
5e2da206 TI |
492 | struct snd_pcm_runtime *runtime = substream->runtime; |
493 | struct gus_pcm_private *pcmp = runtime->private_data; | |
1da177e4 LT |
494 | |
495 | pcmp->bpos = 0; | |
496 | pcmp->dma_size = snd_pcm_lib_buffer_bytes(substream); | |
497 | pcmp->block_size = snd_pcm_lib_period_bytes(substream); | |
498 | pcmp->blocks = pcmp->dma_size / pcmp->block_size; | |
499 | return 0; | |
500 | } | |
501 | ||
5e2da206 | 502 | static int snd_gf1_pcm_playback_trigger(struct snd_pcm_substream *substream, |
1da177e4 LT |
503 | int cmd) |
504 | { | |
5e2da206 TI |
505 | struct snd_gus_card *gus = snd_pcm_substream_chip(substream); |
506 | struct snd_pcm_runtime *runtime = substream->runtime; | |
507 | struct gus_pcm_private *pcmp = runtime->private_data; | |
1da177e4 LT |
508 | int voice; |
509 | ||
510 | if (cmd == SNDRV_PCM_TRIGGER_START) { | |
511 | snd_gf1_pcm_trigger_up(substream); | |
512 | } else if (cmd == SNDRV_PCM_TRIGGER_STOP) { | |
513 | spin_lock(&pcmp->lock); | |
514 | pcmp->flags &= ~SNDRV_GF1_PCM_PFLG_ACTIVE; | |
515 | spin_unlock(&pcmp->lock); | |
516 | voice = pcmp->pvoices[0]->number; | |
517 | snd_gf1_stop_voices(gus, voice, voice); | |
518 | if (pcmp->pvoices[1]) { | |
519 | voice = pcmp->pvoices[1]->number; | |
520 | snd_gf1_stop_voices(gus, voice, voice); | |
521 | } | |
522 | } else { | |
523 | return -EINVAL; | |
524 | } | |
525 | return 0; | |
526 | } | |
527 | ||
5e2da206 | 528 | static snd_pcm_uframes_t snd_gf1_pcm_playback_pointer(struct snd_pcm_substream *substream) |
1da177e4 | 529 | { |
5e2da206 TI |
530 | struct snd_gus_card *gus = snd_pcm_substream_chip(substream); |
531 | struct snd_pcm_runtime *runtime = substream->runtime; | |
532 | struct gus_pcm_private *pcmp = runtime->private_data; | |
1da177e4 LT |
533 | unsigned int pos; |
534 | unsigned char voice_ctrl; | |
535 | ||
536 | pos = 0; | |
537 | spin_lock(&gus->reg_lock); | |
538 | if (pcmp->flags & SNDRV_GF1_PCM_PFLG_ACTIVE) { | |
539 | snd_gf1_select_voice(gus, pcmp->pvoices[0]->number); | |
540 | voice_ctrl = snd_gf1_read8(gus, SNDRV_GF1_VB_ADDRESS_CONTROL); | |
541 | pos = (snd_gf1_read_addr(gus, SNDRV_GF1_VA_CURRENT, voice_ctrl & 4) >> 4) - pcmp->memory; | |
542 | if (substream->runtime->channels > 1) | |
543 | pos <<= 1; | |
544 | pos = bytes_to_frames(runtime, pos); | |
545 | } | |
546 | spin_unlock(&gus->reg_lock); | |
547 | return pos; | |
548 | } | |
549 | ||
5e2da206 | 550 | static struct snd_ratnum clock = { |
1da177e4 LT |
551 | .num = 9878400/16, |
552 | .den_min = 2, | |
553 | .den_max = 257, | |
554 | .den_step = 1, | |
555 | }; | |
556 | ||
5e2da206 | 557 | static struct snd_pcm_hw_constraint_ratnums hw_constraints_clocks = { |
1da177e4 LT |
558 | .nrats = 1, |
559 | .rats = &clock, | |
560 | }; | |
561 | ||
5e2da206 TI |
562 | static int snd_gf1_pcm_capture_hw_params(struct snd_pcm_substream *substream, |
563 | struct snd_pcm_hw_params *hw_params) | |
1da177e4 | 564 | { |
5e2da206 | 565 | struct snd_gus_card *gus = snd_pcm_substream_chip(substream); |
1da177e4 LT |
566 | |
567 | gus->c_dma_size = params_buffer_bytes(hw_params); | |
568 | gus->c_period_size = params_period_bytes(hw_params); | |
569 | gus->c_pos = 0; | |
570 | gus->gf1.pcm_rcntrl_reg = 0x21; /* IRQ at end, enable & start */ | |
571 | if (params_channels(hw_params) > 1) | |
572 | gus->gf1.pcm_rcntrl_reg |= 2; | |
573 | if (gus->gf1.dma2 > 3) | |
574 | gus->gf1.pcm_rcntrl_reg |= 4; | |
575 | if (snd_pcm_format_unsigned(params_format(hw_params))) | |
576 | gus->gf1.pcm_rcntrl_reg |= 0x80; | |
577 | return snd_pcm_lib_malloc_pages(substream, params_buffer_bytes(hw_params)); | |
578 | } | |
579 | ||
5e2da206 | 580 | static int snd_gf1_pcm_capture_hw_free(struct snd_pcm_substream *substream) |
1da177e4 LT |
581 | { |
582 | return snd_pcm_lib_free_pages(substream); | |
583 | } | |
584 | ||
5e2da206 | 585 | static int snd_gf1_pcm_capture_prepare(struct snd_pcm_substream *substream) |
1da177e4 | 586 | { |
5e2da206 TI |
587 | struct snd_gus_card *gus = snd_pcm_substream_chip(substream); |
588 | struct snd_pcm_runtime *runtime = substream->runtime; | |
1da177e4 LT |
589 | |
590 | snd_gf1_i_write8(gus, SNDRV_GF1_GB_RECORD_RATE, runtime->rate_den - 2); | |
591 | snd_gf1_i_write8(gus, SNDRV_GF1_GB_REC_DMA_CONTROL, 0); /* disable sampling */ | |
592 | snd_gf1_i_look8(gus, SNDRV_GF1_GB_REC_DMA_CONTROL); /* Sampling Control Register */ | |
593 | snd_dma_program(gus->gf1.dma2, runtime->dma_addr, gus->c_period_size, DMA_MODE_READ); | |
594 | return 0; | |
595 | } | |
596 | ||
5e2da206 | 597 | static int snd_gf1_pcm_capture_trigger(struct snd_pcm_substream *substream, |
1da177e4 LT |
598 | int cmd) |
599 | { | |
5e2da206 | 600 | struct snd_gus_card *gus = snd_pcm_substream_chip(substream); |
1da177e4 LT |
601 | int val; |
602 | ||
603 | if (cmd == SNDRV_PCM_TRIGGER_START) { | |
604 | val = gus->gf1.pcm_rcntrl_reg; | |
605 | } else if (cmd == SNDRV_PCM_TRIGGER_STOP) { | |
606 | val = 0; | |
607 | } else { | |
608 | return -EINVAL; | |
609 | } | |
610 | ||
611 | spin_lock(&gus->reg_lock); | |
612 | snd_gf1_write8(gus, SNDRV_GF1_GB_REC_DMA_CONTROL, val); | |
613 | snd_gf1_look8(gus, SNDRV_GF1_GB_REC_DMA_CONTROL); | |
614 | spin_unlock(&gus->reg_lock); | |
615 | return 0; | |
616 | } | |
617 | ||
5e2da206 | 618 | static snd_pcm_uframes_t snd_gf1_pcm_capture_pointer(struct snd_pcm_substream *substream) |
1da177e4 | 619 | { |
5e2da206 | 620 | struct snd_gus_card *gus = snd_pcm_substream_chip(substream); |
1da177e4 LT |
621 | int pos = snd_dma_pointer(gus->gf1.dma2, gus->c_period_size); |
622 | pos = bytes_to_frames(substream->runtime, (gus->c_pos + pos) % gus->c_dma_size); | |
623 | return pos; | |
624 | } | |
625 | ||
5e2da206 | 626 | static void snd_gf1_pcm_interrupt_dma_read(struct snd_gus_card * gus) |
1da177e4 LT |
627 | { |
628 | snd_gf1_i_write8(gus, SNDRV_GF1_GB_REC_DMA_CONTROL, 0); /* disable sampling */ | |
629 | snd_gf1_i_look8(gus, SNDRV_GF1_GB_REC_DMA_CONTROL); /* Sampling Control Register */ | |
630 | if (gus->pcm_cap_substream != NULL) { | |
631 | snd_gf1_pcm_capture_prepare(gus->pcm_cap_substream); | |
632 | snd_gf1_pcm_capture_trigger(gus->pcm_cap_substream, SNDRV_PCM_TRIGGER_START); | |
633 | gus->c_pos += gus->c_period_size; | |
634 | snd_pcm_period_elapsed(gus->pcm_cap_substream); | |
635 | } | |
636 | } | |
637 | ||
5e2da206 | 638 | static struct snd_pcm_hardware snd_gf1_pcm_playback = |
1da177e4 LT |
639 | { |
640 | .info = SNDRV_PCM_INFO_NONINTERLEAVED, | |
641 | .formats = (SNDRV_PCM_FMTBIT_S8 | SNDRV_PCM_FMTBIT_U8 | | |
642 | SNDRV_PCM_FMTBIT_S16_LE | SNDRV_PCM_FMTBIT_U16_LE), | |
643 | .rates = SNDRV_PCM_RATE_CONTINUOUS | SNDRV_PCM_RATE_8000_48000, | |
644 | .rate_min = 5510, | |
645 | .rate_max = 48000, | |
646 | .channels_min = 1, | |
647 | .channels_max = 2, | |
648 | .buffer_bytes_max = (128*1024), | |
649 | .period_bytes_min = 64, | |
650 | .period_bytes_max = (128*1024), | |
651 | .periods_min = 1, | |
652 | .periods_max = 1024, | |
653 | .fifo_size = 0, | |
654 | }; | |
655 | ||
5e2da206 | 656 | static struct snd_pcm_hardware snd_gf1_pcm_capture = |
1da177e4 LT |
657 | { |
658 | .info = (SNDRV_PCM_INFO_MMAP | SNDRV_PCM_INFO_INTERLEAVED | | |
659 | SNDRV_PCM_INFO_MMAP_VALID), | |
660 | .formats = SNDRV_PCM_FMTBIT_S8 | SNDRV_PCM_FMTBIT_U8, | |
661 | .rates = SNDRV_PCM_RATE_CONTINUOUS | SNDRV_PCM_RATE_8000_44100, | |
662 | .rate_min = 5510, | |
663 | .rate_max = 44100, | |
664 | .channels_min = 1, | |
665 | .channels_max = 2, | |
666 | .buffer_bytes_max = (128*1024), | |
667 | .period_bytes_min = 64, | |
668 | .period_bytes_max = (128*1024), | |
669 | .periods_min = 1, | |
670 | .periods_max = 1024, | |
671 | .fifo_size = 0, | |
672 | }; | |
673 | ||
5e2da206 | 674 | static void snd_gf1_pcm_playback_free(struct snd_pcm_runtime *runtime) |
1da177e4 | 675 | { |
4d572776 | 676 | kfree(runtime->private_data); |
1da177e4 LT |
677 | } |
678 | ||
5e2da206 | 679 | static int snd_gf1_pcm_playback_open(struct snd_pcm_substream *substream) |
1da177e4 | 680 | { |
5e2da206 TI |
681 | struct gus_pcm_private *pcmp; |
682 | struct snd_gus_card *gus = snd_pcm_substream_chip(substream); | |
683 | struct snd_pcm_runtime *runtime = substream->runtime; | |
1da177e4 LT |
684 | int err; |
685 | ||
9e76a76e | 686 | pcmp = kzalloc(sizeof(*pcmp), GFP_KERNEL); |
1da177e4 LT |
687 | if (pcmp == NULL) |
688 | return -ENOMEM; | |
689 | pcmp->gus = gus; | |
690 | spin_lock_init(&pcmp->lock); | |
691 | init_waitqueue_head(&pcmp->sleep); | |
692 | atomic_set(&pcmp->dma_count, 0); | |
693 | ||
694 | runtime->private_data = pcmp; | |
695 | runtime->private_free = snd_gf1_pcm_playback_free; | |
696 | ||
697 | #if 0 | |
91f05060 TI |
698 | printk(KERN_DEBUG "playback.buffer = 0x%lx, gf1.pcm_buffer = 0x%lx\n", |
699 | (long) pcm->playback.buffer, (long) gus->gf1.pcm_buffer); | |
1da177e4 LT |
700 | #endif |
701 | if ((err = snd_gf1_dma_init(gus)) < 0) | |
702 | return err; | |
703 | pcmp->flags = SNDRV_GF1_PCM_PFLG_NONE; | |
704 | pcmp->substream = substream; | |
705 | runtime->hw = snd_gf1_pcm_playback; | |
706 | snd_pcm_limit_isa_dma_size(gus->gf1.dma1, &runtime->hw.buffer_bytes_max); | |
707 | snd_pcm_limit_isa_dma_size(gus->gf1.dma1, &runtime->hw.period_bytes_max); | |
708 | snd_pcm_hw_constraint_step(runtime, 0, SNDRV_PCM_HW_PARAM_PERIOD_BYTES, 64); | |
709 | return 0; | |
710 | } | |
711 | ||
5e2da206 | 712 | static int snd_gf1_pcm_playback_close(struct snd_pcm_substream *substream) |
1da177e4 | 713 | { |
5e2da206 TI |
714 | struct snd_gus_card *gus = snd_pcm_substream_chip(substream); |
715 | struct snd_pcm_runtime *runtime = substream->runtime; | |
716 | struct gus_pcm_private *pcmp = runtime->private_data; | |
1da177e4 LT |
717 | |
718 | if (!wait_event_timeout(pcmp->sleep, (atomic_read(&pcmp->dma_count) <= 0), 2*HZ)) | |
99b359ba | 719 | snd_printk(KERN_ERR "gf1 pcm - serious DMA problem\n"); |
1da177e4 LT |
720 | |
721 | snd_gf1_dma_done(gus); | |
722 | return 0; | |
723 | } | |
724 | ||
5e2da206 | 725 | static int snd_gf1_pcm_capture_open(struct snd_pcm_substream *substream) |
1da177e4 | 726 | { |
5e2da206 TI |
727 | struct snd_pcm_runtime *runtime = substream->runtime; |
728 | struct snd_gus_card *gus = snd_pcm_substream_chip(substream); | |
1da177e4 LT |
729 | |
730 | gus->gf1.interrupt_handler_dma_read = snd_gf1_pcm_interrupt_dma_read; | |
731 | gus->pcm_cap_substream = substream; | |
732 | substream->runtime->hw = snd_gf1_pcm_capture; | |
733 | snd_pcm_limit_isa_dma_size(gus->gf1.dma2, &runtime->hw.buffer_bytes_max); | |
734 | snd_pcm_limit_isa_dma_size(gus->gf1.dma2, &runtime->hw.period_bytes_max); | |
735 | snd_pcm_hw_constraint_ratnums(runtime, 0, SNDRV_PCM_HW_PARAM_RATE, | |
736 | &hw_constraints_clocks); | |
737 | return 0; | |
738 | } | |
739 | ||
5e2da206 | 740 | static int snd_gf1_pcm_capture_close(struct snd_pcm_substream *substream) |
1da177e4 | 741 | { |
5e2da206 | 742 | struct snd_gus_card *gus = snd_pcm_substream_chip(substream); |
1da177e4 LT |
743 | |
744 | gus->pcm_cap_substream = NULL; | |
745 | snd_gf1_set_default_handlers(gus, SNDRV_GF1_HANDLER_DMA_READ); | |
746 | return 0; | |
747 | } | |
748 | ||
5e2da206 | 749 | static int snd_gf1_pcm_volume_info(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_info *uinfo) |
1da177e4 LT |
750 | { |
751 | uinfo->type = SNDRV_CTL_ELEM_TYPE_INTEGER; | |
752 | uinfo->count = 2; | |
753 | uinfo->value.integer.min = 0; | |
754 | uinfo->value.integer.max = 127; | |
755 | return 0; | |
756 | } | |
757 | ||
5e2da206 | 758 | static int snd_gf1_pcm_volume_get(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol) |
1da177e4 | 759 | { |
5e2da206 | 760 | struct snd_gus_card *gus = snd_kcontrol_chip(kcontrol); |
1da177e4 LT |
761 | unsigned long flags; |
762 | ||
763 | spin_lock_irqsave(&gus->pcm_volume_level_lock, flags); | |
764 | ucontrol->value.integer.value[0] = gus->gf1.pcm_volume_level_left1; | |
765 | ucontrol->value.integer.value[1] = gus->gf1.pcm_volume_level_right1; | |
766 | spin_unlock_irqrestore(&gus->pcm_volume_level_lock, flags); | |
767 | return 0; | |
768 | } | |
769 | ||
5e2da206 | 770 | static int snd_gf1_pcm_volume_put(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol) |
1da177e4 | 771 | { |
5e2da206 | 772 | struct snd_gus_card *gus = snd_kcontrol_chip(kcontrol); |
1da177e4 LT |
773 | unsigned long flags; |
774 | int change; | |
775 | unsigned int idx; | |
776 | unsigned short val1, val2, vol; | |
5e2da206 TI |
777 | struct gus_pcm_private *pcmp; |
778 | struct snd_gus_voice *pvoice; | |
1da177e4 LT |
779 | |
780 | val1 = ucontrol->value.integer.value[0] & 127; | |
781 | val2 = ucontrol->value.integer.value[1] & 127; | |
782 | spin_lock_irqsave(&gus->pcm_volume_level_lock, flags); | |
783 | change = val1 != gus->gf1.pcm_volume_level_left1 || | |
784 | val2 != gus->gf1.pcm_volume_level_right1; | |
785 | gus->gf1.pcm_volume_level_left1 = val1; | |
786 | gus->gf1.pcm_volume_level_right1 = val2; | |
787 | gus->gf1.pcm_volume_level_left = snd_gf1_lvol_to_gvol_raw(val1 << 9) << 4; | |
788 | gus->gf1.pcm_volume_level_right = snd_gf1_lvol_to_gvol_raw(val2 << 9) << 4; | |
789 | spin_unlock_irqrestore(&gus->pcm_volume_level_lock, flags); | |
790 | /* are we active? */ | |
791 | spin_lock_irqsave(&gus->voice_alloc, flags); | |
792 | for (idx = 0; idx < 32; idx++) { | |
793 | pvoice = &gus->gf1.voices[idx]; | |
794 | if (!pvoice->pcm) | |
795 | continue; | |
796 | pcmp = pvoice->private_data; | |
797 | if (!(pcmp->flags & SNDRV_GF1_PCM_PFLG_ACTIVE)) | |
798 | continue; | |
799 | /* load real volume - better precision */ | |
fcb2954b | 800 | spin_lock(&gus->reg_lock); |
1da177e4 LT |
801 | snd_gf1_select_voice(gus, pvoice->number); |
802 | snd_gf1_ctrl_stop(gus, SNDRV_GF1_VB_VOLUME_CONTROL); | |
803 | vol = pvoice == pcmp->pvoices[0] ? gus->gf1.pcm_volume_level_left : gus->gf1.pcm_volume_level_right; | |
804 | snd_gf1_write16(gus, SNDRV_GF1_VW_VOLUME, vol); | |
805 | pcmp->final_volume = 1; | |
fcb2954b | 806 | spin_unlock(&gus->reg_lock); |
1da177e4 LT |
807 | } |
808 | spin_unlock_irqrestore(&gus->voice_alloc, flags); | |
809 | return change; | |
810 | } | |
811 | ||
5e2da206 | 812 | static struct snd_kcontrol_new snd_gf1_pcm_volume_control = |
1da177e4 LT |
813 | { |
814 | .iface = SNDRV_CTL_ELEM_IFACE_MIXER, | |
815 | .name = "PCM Playback Volume", | |
816 | .info = snd_gf1_pcm_volume_info, | |
817 | .get = snd_gf1_pcm_volume_get, | |
818 | .put = snd_gf1_pcm_volume_put | |
819 | }; | |
820 | ||
5e2da206 | 821 | static struct snd_kcontrol_new snd_gf1_pcm_volume_control1 = |
1da177e4 LT |
822 | { |
823 | .iface = SNDRV_CTL_ELEM_IFACE_MIXER, | |
824 | .name = "GPCM Playback Volume", | |
825 | .info = snd_gf1_pcm_volume_info, | |
826 | .get = snd_gf1_pcm_volume_get, | |
827 | .put = snd_gf1_pcm_volume_put | |
828 | }; | |
829 | ||
5e2da206 | 830 | static struct snd_pcm_ops snd_gf1_pcm_playback_ops = { |
1da177e4 LT |
831 | .open = snd_gf1_pcm_playback_open, |
832 | .close = snd_gf1_pcm_playback_close, | |
833 | .ioctl = snd_pcm_lib_ioctl, | |
834 | .hw_params = snd_gf1_pcm_playback_hw_params, | |
835 | .hw_free = snd_gf1_pcm_playback_hw_free, | |
836 | .prepare = snd_gf1_pcm_playback_prepare, | |
837 | .trigger = snd_gf1_pcm_playback_trigger, | |
838 | .pointer = snd_gf1_pcm_playback_pointer, | |
839 | .copy = snd_gf1_pcm_playback_copy, | |
840 | .silence = snd_gf1_pcm_playback_silence, | |
841 | }; | |
842 | ||
5e2da206 | 843 | static struct snd_pcm_ops snd_gf1_pcm_capture_ops = { |
1da177e4 LT |
844 | .open = snd_gf1_pcm_capture_open, |
845 | .close = snd_gf1_pcm_capture_close, | |
846 | .ioctl = snd_pcm_lib_ioctl, | |
847 | .hw_params = snd_gf1_pcm_capture_hw_params, | |
848 | .hw_free = snd_gf1_pcm_capture_hw_free, | |
849 | .prepare = snd_gf1_pcm_capture_prepare, | |
850 | .trigger = snd_gf1_pcm_capture_trigger, | |
851 | .pointer = snd_gf1_pcm_capture_pointer, | |
852 | }; | |
853 | ||
db5abb3c | 854 | int snd_gf1_pcm_new(struct snd_gus_card *gus, int pcm_dev, int control_index) |
1da177e4 | 855 | { |
5e2da206 TI |
856 | struct snd_card *card; |
857 | struct snd_kcontrol *kctl; | |
858 | struct snd_pcm *pcm; | |
859 | struct snd_pcm_substream *substream; | |
1da177e4 LT |
860 | int capture, err; |
861 | ||
1da177e4 LT |
862 | card = gus->card; |
863 | capture = !gus->interwave && !gus->ess_flag && !gus->ace_flag ? 1 : 0; | |
864 | err = snd_pcm_new(card, | |
865 | gus->interwave ? "AMD InterWave" : "GF1", | |
866 | pcm_dev, | |
867 | gus->gf1.pcm_channels / 2, | |
868 | capture, | |
869 | &pcm); | |
870 | if (err < 0) | |
871 | return err; | |
872 | pcm->private_data = gus; | |
1da177e4 LT |
873 | /* playback setup */ |
874 | snd_pcm_set_ops(pcm, SNDRV_PCM_STREAM_PLAYBACK, &snd_gf1_pcm_playback_ops); | |
875 | ||
876 | for (substream = pcm->streams[SNDRV_PCM_STREAM_PLAYBACK].substream; substream; substream = substream->next) | |
877 | snd_pcm_lib_preallocate_pages(substream, SNDRV_DMA_TYPE_DEV, | |
878 | snd_dma_isa_data(), | |
879 | 64*1024, gus->gf1.dma1 > 3 ? 128*1024 : 64*1024); | |
880 | ||
881 | pcm->info_flags = 0; | |
882 | pcm->dev_subclass = SNDRV_PCM_SUBCLASS_GENERIC_MIX; | |
883 | if (capture) { | |
884 | snd_pcm_set_ops(pcm, SNDRV_PCM_STREAM_CAPTURE, &snd_gf1_pcm_capture_ops); | |
885 | if (gus->gf1.dma2 == gus->gf1.dma1) | |
886 | pcm->info_flags |= SNDRV_PCM_INFO_HALF_DUPLEX; | |
887 | snd_pcm_lib_preallocate_pages(pcm->streams[SNDRV_PCM_STREAM_CAPTURE].substream, | |
888 | SNDRV_DMA_TYPE_DEV, snd_dma_isa_data(), | |
889 | 64*1024, gus->gf1.dma2 > 3 ? 128*1024 : 64*1024); | |
890 | } | |
891 | strcpy(pcm->name, pcm->id); | |
892 | if (gus->interwave) { | |
893 | sprintf(pcm->name + strlen(pcm->name), " rev %c", gus->revision + 'A'); | |
894 | } | |
895 | strcat(pcm->name, " (synth)"); | |
896 | gus->pcm = pcm; | |
897 | ||
898 | if (gus->codec_flag) | |
899 | kctl = snd_ctl_new1(&snd_gf1_pcm_volume_control1, gus); | |
900 | else | |
901 | kctl = snd_ctl_new1(&snd_gf1_pcm_volume_control, gus); | |
902 | if ((err = snd_ctl_add(card, kctl)) < 0) | |
903 | return err; | |
904 | kctl->id.index = control_index; | |
905 | ||
1da177e4 LT |
906 | return 0; |
907 | } | |
908 |