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Diffstat (limited to 'sound/oss/emu10k1/efxmgr.c')
-rw-r--r--sound/oss/emu10k1/efxmgr.c220
1 files changed, 0 insertions, 220 deletions
diff --git a/sound/oss/emu10k1/efxmgr.c b/sound/oss/emu10k1/efxmgr.c
deleted file mode 100644
index 7d5865de4c2..00000000000
--- a/sound/oss/emu10k1/efxmgr.c
+++ /dev/null
@@ -1,220 +0,0 @@
-/*
- **********************************************************************
- * efxmgr.c
- * 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 <linux/bitops.h>
-#include "hwaccess.h"
-#include "efxmgr.h"
-
-int emu10k1_find_control_gpr(struct patch_manager *mgr, const char *patch_name, const char *gpr_name)
-{
- struct dsp_patch *patch;
- struct dsp_rpatch *rpatch;
- char s[PATCH_NAME_SIZE + 4];
- unsigned long *gpr_used;
- int i;
-
- DPD(2, "emu10k1_find_control_gpr(): %s %s\n", patch_name, gpr_name);
-
- rpatch = &mgr->rpatch;
- if (!strcmp(rpatch->name, patch_name)) {
- gpr_used = rpatch->gpr_used;
- goto match;
- }
-
- for (i = 0; i < mgr->current_pages * PATCHES_PER_PAGE; i++) {
- patch = PATCH(mgr, i);
- sprintf(s,"%s", patch->name);
-
- if (!strcmp(s, patch_name)) {
- gpr_used = patch->gpr_used;
- goto match;
- }
- }
-
- return -1;
-
- match:
- for (i = 0; i < NUM_GPRS; i++)
- if (mgr->gpr[i].type == GPR_TYPE_CONTROL &&
- test_bit(i, gpr_used) &&
- !strcmp(mgr->gpr[i].name, gpr_name))
- return i;
-
- return -1;
-}
-
-void emu10k1_set_control_gpr(struct emu10k1_card *card, int addr, s32 val, int flag)
-{
- struct patch_manager *mgr = &card->mgr;
-
- DPD(2, "emu10k1_set_control_gpr(): %d %x\n", addr, val);
-
- if (addr < 0 || addr >= NUM_GPRS)
- return;
-
- //fixme: once patch manager is up, remember to fix this for the audigy
- if (card->is_audigy) {
- sblive_writeptr(card, A_GPR_BASE + addr, 0, val);
- } else {
- if (flag)
- val += sblive_readptr(card, GPR_BASE + addr, 0);
- if (val > mgr->gpr[addr].max)
- val = mgr->gpr[addr].max;
- else if (val < mgr->gpr[addr].min)
- val = mgr->gpr[addr].min;
- sblive_writeptr(card, GPR_BASE + addr, 0, val);
- }
-
-
-}
-
-//TODO: make this configurable:
-#define VOLCTRL_CHANNEL SOUND_MIXER_VOLUME
-#define VOLCTRL_STEP_SIZE 5
-
-//An internal function for setting OSS mixer controls.
-static void emu10k1_set_oss_vol(struct emu10k1_card *card, int oss_mixer,
- unsigned int left, unsigned int right)
-{
- extern char volume_params[SOUND_MIXER_NRDEVICES];
-
- card->ac97->mixer_state[oss_mixer] = (right << 8) | left;
-
- if (!card->is_aps)
- card->ac97->write_mixer(card->ac97, oss_mixer, left, right);
-
- emu10k1_set_volume_gpr(card, card->mgr.ctrl_gpr[oss_mixer][0], left,
- volume_params[oss_mixer]);
-
- emu10k1_set_volume_gpr(card, card->mgr.ctrl_gpr[oss_mixer][1], right,
- volume_params[oss_mixer]);
-}
-
-//FIXME: mute should unmute when pressed a second time
-void emu10k1_mute_irqhandler(struct emu10k1_card *card)
-{
- int oss_channel = VOLCTRL_CHANNEL;
- int left, right;
- static int val;
-
- if (val) {
- left = val & 0xff;
- right = (val >> 8) & 0xff;
- val = 0;
- } else {
- val = card->ac97->mixer_state[oss_channel];
- left = 0;
- right = 0;
- }
-
- emu10k1_set_oss_vol(card, oss_channel, left, right);
-}
-
-void emu10k1_volincr_irqhandler(struct emu10k1_card *card)
-{
- int oss_channel = VOLCTRL_CHANNEL;
- int left, right;
-
- left = card->ac97->mixer_state[oss_channel] & 0xff;
- right = (card->ac97->mixer_state[oss_channel] >> 8) & 0xff;
-
- if ((left += VOLCTRL_STEP_SIZE) > 100)
- left = 100;
-
- if ((right += VOLCTRL_STEP_SIZE) > 100)
- right = 100;
-
- emu10k1_set_oss_vol(card, oss_channel, left, right);
-}
-
-void emu10k1_voldecr_irqhandler(struct emu10k1_card *card)
-{
- int oss_channel = VOLCTRL_CHANNEL;
- int left, right;
-
- left = card->ac97->mixer_state[oss_channel] & 0xff;
- right = (card->ac97->mixer_state[oss_channel] >> 8) & 0xff;
-
- if ((left -= VOLCTRL_STEP_SIZE) < 0)
- left = 0;
-
- if ((right -= VOLCTRL_STEP_SIZE) < 0)
- right = 0;
-
- emu10k1_set_oss_vol(card, oss_channel, left, right);
-}
-
-void emu10k1_set_volume_gpr(struct emu10k1_card *card, int addr, s32 vol, int scale)
-{
- struct patch_manager *mgr = &card->mgr;
- unsigned long flags;
-
- static const s32 log2lin[4] ={ // attenuation (dB)
- 0x7fffffff, // 0.0
- 0x7fffffff * 0.840896415253715 , // 1.5
- 0x7fffffff * 0.707106781186548, // 3.0
- 0x7fffffff * 0.594603557501361 , // 4.5
- };
-
- if (addr < 0)
- return;
-
- vol = (100 - vol ) * scale / 100;
-
- // Thanks to the comp.dsp newsgroup for this neat trick:
- vol = (vol >= scale) ? 0 : (log2lin[vol & 3] >> (vol >> 2));
-
- spin_lock_irqsave(&mgr->lock, flags);
- emu10k1_set_control_gpr(card, addr, vol, 0);
- spin_unlock_irqrestore(&mgr->lock, flags);
-}
-
-void emu10k1_dsp_irqhandler(struct emu10k1_card *card)
-{
- unsigned long flags;
-
- if (card->pt.state != PT_STATE_INACTIVE) {
- u32 bc;
- bc = sblive_readptr(card, GPR_BASE + card->pt.intr_gpr, 0);
- if (bc != 0) {
- DPD(3, "pt interrupt, bc = %d\n", bc);
- spin_lock_irqsave(&card->pt.lock, flags);
- card->pt.blocks_played = bc;
- if (card->pt.blocks_played >= card->pt.blocks_copied) {
- DPF(1, "buffer underrun in passthrough playback\n");
- emu10k1_pt_stop(card);
- }
- wake_up_interruptible(&card->pt.wait);
- spin_unlock_irqrestore(&card->pt.lock, flags);
- }
- }
-}
-
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