diff options
Diffstat (limited to 'sound/oss/emu10k1/voicemgr.c')
| -rw-r--r-- | sound/oss/emu10k1/voicemgr.c | 398 |
1 files changed, 0 insertions, 398 deletions
diff --git a/sound/oss/emu10k1/voicemgr.c b/sound/oss/emu10k1/voicemgr.c deleted file mode 100644 index d88b602..0000000 --- a/sound/oss/emu10k1/voicemgr.c +++ /dev/null @@ -1,398 +0,0 @@ -/* - ********************************************************************** - * 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); - } - } -} - |
