aboutsummaryrefslogtreecommitdiff
path: root/sound/oss/emu10k1/voicemgr.c
blob: d88b602c07c2cf73909cd953eda40704e33416ca (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
343
344
345
346
347
348
349
350
351
352
353
354
355
356
357
358
359
360
361
362
363
364
365
366
367
368
369
370
371
372
373
374
375
376
377
378
379
380
381
382
383
384
385
386
387
388
389
390
391
392
393
394
395
396
397
398
/*
 **********************************************************************
 *     voicemgr.c - Voice manager for emu10k1 driver
 *     Copyright 1999, 2000 Creative Labs, Inc.
 *
 **********************************************************************
 *
 *     Date                 Author          Summary of changes
 *     ----                 ------          ------------------
 *     October 20, 1999     Bertrand Lee    base code release
 *
 **********************************************************************
 *
 *     This program is free software; you can redistribute it and/or
 *     modify it under the terms of the GNU General Public License as
 *     published by the Free Software Foundation; either version 2 of
 *     the License, or (at your option) any later version.
 *
 *     This program is distributed in the hope that it will be useful,
 *     but WITHOUT ANY WARRANTY; without even the implied warranty of
 *     MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 *     GNU General Public License for more details.
 *
 *     You should have received a copy of the GNU General Public
 *     License along with this program; if not, write to the Free
 *     Software Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139,
 *     USA.
 *
 **********************************************************************
 */

#include "voicemgr.h"
#include "8010.h"

#define PITCH_48000 0x00004000
#define PITCH_96000 0x00008000
#define PITCH_85000 0x00007155
#define PITCH_80726 0x00006ba2
#define PITCH_67882 0x00005a82
#define PITCH_57081 0x00004c1c

static u32 emu10k1_select_interprom(struct emu10k1_card *card,
				    struct emu_voice *voice)
{
	if(voice->pitch_target==PITCH_48000)
		return CCCA_INTERPROM_0;
	else if(voice->pitch_target<PITCH_48000)
		return CCCA_INTERPROM_1;
	else  if(voice->pitch_target>=PITCH_96000)
		return CCCA_INTERPROM_0;
	else  if(voice->pitch_target>=PITCH_85000)
		return CCCA_INTERPROM_6;
	else  if(voice->pitch_target>=PITCH_80726)
		return CCCA_INTERPROM_5;
	else  if(voice->pitch_target>=PITCH_67882)
		return CCCA_INTERPROM_4;
	else  if(voice->pitch_target>=PITCH_57081)
		return CCCA_INTERPROM_3;
	else  
		return CCCA_INTERPROM_2;
}


/**
 * emu10k1_voice_alloc_buffer -
 *
 * allocates the memory buffer for a voice. Two page tables are kept for each buffer.
 * One (dma_handle) keeps track of the host memory pages used and the other (virtualpagetable)
 * is passed to the device so that it can do DMA to host memory.
 *
 */
int emu10k1_voice_alloc_buffer(struct emu10k1_card *card, struct voice_mem *mem, u32 pages)
{
	u32 pageindex, pagecount;
	u32 busaddx;
	int i;

	DPD(2, "requested pages is: %d\n", pages);

	if ((mem->emupageindex = emu10k1_addxmgr_alloc(pages * PAGE_SIZE, card)) < 0)
	{
		DPF(1, "couldn't allocate emu10k1 address space\n");
		return -1;
	}

	/* Fill in virtual memory table */
	for (pagecount = 0; pagecount < pages; pagecount++) {
		if ((mem->addr[pagecount] = pci_alloc_consistent(card->pci_dev, PAGE_SIZE, &mem->dma_handle[pagecount]))
			== NULL) {
			mem->pages = pagecount;
			DPF(1, "couldn't allocate dma memory\n");
			return -1;
		}

		DPD(2, "Virtual Addx: %p\n", mem->addr[pagecount]);

		for (i = 0; i < PAGE_SIZE / EMUPAGESIZE; i++) {
			busaddx = (u32) mem->dma_handle[pagecount] + i * EMUPAGESIZE;

			DPD(3, "Bus Addx: %#x\n", busaddx);

			pageindex = mem->emupageindex + pagecount * PAGE_SIZE / EMUPAGESIZE + i;

			((u32 *) card->virtualpagetable.addr)[pageindex] = cpu_to_le32((busaddx * 2) | pageindex);
		}
	}

	mem->pages = pagecount;

	return 0;
}

/**
 * emu10k1_voice_free_buffer -
 *
 * frees the memory buffer for a voice.
 */
void emu10k1_voice_free_buffer(struct emu10k1_card *card, struct voice_mem *mem)
{
	u32 pagecount, pageindex;
	int i;

	if (mem->emupageindex < 0)
		return;

	for (pagecount = 0; pagecount < mem->pages; pagecount++) {
		pci_free_consistent(card->pci_dev, PAGE_SIZE,
					mem->addr[pagecount],
					mem->dma_handle[pagecount]);

		for (i = 0; i < PAGE_SIZE / EMUPAGESIZE; i++) {
			pageindex = mem->emupageindex + pagecount * PAGE_SIZE / EMUPAGESIZE + i;
			((u32 *) card->virtualpagetable.addr)[pageindex] =
				cpu_to_le32(((u32) card->silentpage.dma_handle * 2) | pageindex);
		}
	}

	emu10k1_addxmgr_free(card, mem->emupageindex);
	mem->emupageindex = -1;
}

int emu10k1_voice_alloc(struct emu10k1_card *card, struct emu_voice *voice)
{
	u8 *voicetable = card->voicetable;
	int i;
	unsigned long flags;

	DPF(2, "emu10k1_voice_alloc()\n");

	spin_lock_irqsave(&card->lock, flags);

	if (voice->flags & VOICE_FLAGS_STEREO) {
		for (i = 0; i < NUM_G; i += 2)
			if ((voicetable[i] == VOICE_USAGE_FREE) && (voicetable[i + 1] == VOICE_USAGE_FREE)) {
				voicetable[i] = voice->usage;
				voicetable[i + 1] = voice->usage;
				break;
			}
	} else {
		for (i = 0; i < NUM_G; i++)
			if (voicetable[i] == VOICE_USAGE_FREE) {
				voicetable[i] = voice->usage;
				break;
			}
	}

	spin_unlock_irqrestore(&card->lock, flags);

	if (i >= NUM_G)
		return -1;

	voice->card = card;
	voice->num = i;

	for (i = 0; i < (voice->flags & VOICE_FLAGS_STEREO ? 2 : 1); i++) {
		DPD(2, " voice allocated -> %d\n", voice->num + i);

		sblive_writeptr_tag(card, voice->num + i, IFATN, 0xffff,
							DCYSUSV, 0,
							VTFT, 0x0000ffff,
							PTRX, 0,
							TAGLIST_END);
	}

	return 0;
}

void emu10k1_voice_free(struct emu_voice *voice)
{
	struct emu10k1_card *card = voice->card;
	int i;
	unsigned long flags;

	DPF(2, "emu10k1_voice_free()\n");

	if (voice->usage == VOICE_USAGE_FREE)
		return;

	for (i = 0; i < (voice->flags & VOICE_FLAGS_STEREO ? 2 : 1); i++) {
		DPD(2, " voice released -> %d\n", voice->num + i);

		sblive_writeptr_tag(card, voice->num + i, DCYSUSV, 0, 
							VTFT, 0x0000ffff,
							PTRX_PITCHTARGET, 0,
							CVCF, 0x0000ffff,
							//CPF, 0,
							TAGLIST_END);
		
		sblive_writeptr(card, CPF, voice->num + i, 0);
	}

	voice->usage = VOICE_USAGE_FREE;

	spin_lock_irqsave(&card->lock, flags);

	card->voicetable[voice->num] = VOICE_USAGE_FREE;

	if (voice->flags & VOICE_FLAGS_STEREO)
		card->voicetable[voice->num + 1] = VOICE_USAGE_FREE;

	spin_unlock_irqrestore(&card->lock, flags);
}

void emu10k1_voice_playback_setup(struct emu_voice *voice)
{
	struct emu10k1_card *card = voice->card;
	u32 start;
	int i;

	DPF(2, "emu10k1_voice_playback_setup()\n");

	if (voice->flags & VOICE_FLAGS_STEREO) {
		/* Set stereo bit */
		start = 28;
		sblive_writeptr(card, CPF, voice->num, CPF_STEREO_MASK);
		sblive_writeptr(card, CPF, voice->num + 1, CPF_STEREO_MASK);
	} else {
		start = 30;
		sblive_writeptr(card, CPF, voice->num, 0);
	}

	if(!(voice->flags & VOICE_FLAGS_16BIT))
		start *= 2;

	voice->start += start;

	for (i = 0; i < (voice->flags & VOICE_FLAGS_STEREO ? 2 : 1); i++) {
		if (card->is_audigy) {
			sblive_writeptr(card, A_FXRT1, voice->num + i, voice->params[i].send_routing);
			sblive_writeptr(card, A_FXRT2, voice->num + i, voice->params[i].send_routing2);
			sblive_writeptr(card,  A_SENDAMOUNTS, voice->num + i, voice->params[i].send_hgfe);
		} else {
			sblive_writeptr(card, FXRT, voice->num + i, voice->params[i].send_routing << 16);
		}

		/* Stop CA */
		/* Assumption that PT is already 0 so no harm overwriting */
		sblive_writeptr(card, PTRX, voice->num + i, ((voice->params[i].send_dcba & 0xff) << 8)
				| ((voice->params[i].send_dcba & 0xff00) >> 8));

		sblive_writeptr_tag(card, voice->num + i,
				/* CSL, ST, CA */
				    DSL, voice->endloop | (voice->params[i].send_dcba & 0xff000000),
				    PSST, voice->startloop | ((voice->params[i].send_dcba & 0x00ff0000) << 8),
				    CCCA, (voice->start) |  emu10k1_select_interprom(card,voice) |
				        ((voice->flags & VOICE_FLAGS_16BIT) ? 0 : CCCA_8BITSELECT),
				    /* Clear filter delay memory */
				    Z1, 0,
				    Z2, 0,
				    /* Invalidate maps */
				    MAPA, MAP_PTI_MASK | ((u32) card->silentpage.dma_handle * 2),
				    MAPB, MAP_PTI_MASK | ((u32) card->silentpage.dma_handle * 2),
				/* modulation envelope */
				    CVCF, 0x0000ffff,
				    VTFT, 0x0000ffff,
				    ATKHLDM, 0,
				    DCYSUSM, 0x007f,
				    LFOVAL1, 0x8000,
				    LFOVAL2, 0x8000,
				    FMMOD, 0,
				    TREMFRQ, 0,
				    FM2FRQ2, 0,
				    ENVVAL, 0x8000,
				/* volume envelope */
				    ATKHLDV, 0x7f7f,
				    ENVVOL, 0x8000,
				/* filter envelope */
				    PEFE_FILTERAMOUNT, 0x7f,
				/* pitch envelope */
				    PEFE_PITCHAMOUNT, 0, TAGLIST_END);

		voice->params[i].fc_target = 0xffff;
	}
}

void emu10k1_voices_start(struct emu_voice *first_voice, unsigned int num_voices, int set)
{
	struct emu10k1_card *card = first_voice->card;
	struct emu_voice *voice;
	unsigned int voicenum;
	int j;

	DPF(2, "emu10k1_voices_start()\n");

	for (voicenum = 0; voicenum < num_voices; voicenum++)
	{
		voice = first_voice + voicenum;

		if (!set) {
			u32 cra, ccis, cs, sample;
			if (voice->flags & VOICE_FLAGS_STEREO) {
				cra = 64;
				ccis = 28;
				cs = 4;
			} else {
				cra = 64;
				ccis = 30;
				cs = 2;
			}

			if(voice->flags & VOICE_FLAGS_16BIT) {
				sample = 0x00000000;
			} else {
				sample = 0x80808080;		
				ccis *= 2;
			}

			for(j = 0; j < cs; j++)
	        	        sblive_writeptr(card, CD0 + j, voice->num, sample);

			/* Reset cache */
			sblive_writeptr(card, CCR_CACHEINVALIDSIZE, voice->num, 0);
			if (voice->flags & VOICE_FLAGS_STEREO)
				sblive_writeptr(card, CCR_CACHEINVALIDSIZE, voice->num + 1, 0);

			sblive_writeptr(card, CCR_READADDRESS, voice->num, cra);

			if (voice->flags & VOICE_FLAGS_STEREO)
				sblive_writeptr(card, CCR_READADDRESS, voice->num + 1, cra);

			/* Fill cache */
			sblive_writeptr(card, CCR_CACHEINVALIDSIZE, voice->num, ccis);
		}

		for (j = 0; j < (voice->flags & VOICE_FLAGS_STEREO ? 2 : 1); j++) {
			sblive_writeptr_tag(card, voice->num + j,
				    IFATN, (voice->params[j].initial_fc << 8) | voice->params[j].initial_attn,
				    VTFT, (voice->params[j].volume_target << 16) | voice->params[j].fc_target,
				    CVCF, (voice->params[j].volume_target << 16) | voice->params[j].fc_target,
				    DCYSUSV, (voice->params[j].byampl_env_sustain << 8) | voice->params[j].byampl_env_decay,
				    TAGLIST_END);
	
			emu10k1_clear_stop_on_loop(card, voice->num + j);
		}
	}


        for (voicenum = 0; voicenum < num_voices; voicenum++)
	{
		voice = first_voice + voicenum;

		for (j = 0; j < (voice->flags & VOICE_FLAGS_STEREO ? 2 : 1); j++) {
			sblive_writeptr(card, PTRX_PITCHTARGET, voice->num + j, voice->pitch_target);

			if (j == 0)
				sblive_writeptr(card, CPF_CURRENTPITCH, voice->num, voice->pitch_target);

			sblive_writeptr(card, IP, voice->num + j, voice->initial_pitch);
		}
	}
}

void emu10k1_voices_stop(struct emu_voice *first_voice, int num_voices)
{
	struct emu10k1_card *card = first_voice->card;
	struct emu_voice *voice;
	unsigned int voice_num;
	int j;

	DPF(2, "emu10k1_voice_stop()\n");

        for (voice_num = 0; voice_num < num_voices; voice_num++)
	{
		voice = first_voice + voice_num;

		for (j = 0; j < (voice->flags & VOICE_FLAGS_STEREO ? 2 : 1); j++) {
			sblive_writeptr_tag(card, voice->num + j,
						PTRX_PITCHTARGET, 0,
						CPF_CURRENTPITCH, 0,
						IFATN, 0xffff,
						VTFT, 0x0000ffff,
						CVCF, 0x0000ffff,
						IP, 0,
						TAGLIST_END);
		}
	}
}