Orange Pi5 kernel

^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   1) // SPDX-License-Identifier: GPL-2.0-or-later
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   2) /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   3)  *  synth callback routines for Emu10k1
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   4)  *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   5)  *  Copyright (C) 2000 Takashi Iwai <tiwai@suse.de>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   6)  */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   7) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   8) #include <linux/export.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   9) #include "emu10k1_synth_local.h"
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  10) #include <sound/asoundef.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  11) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  12) /* voice status */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  13) enum {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  14) 	V_FREE=0, V_OFF, V_RELEASED, V_PLAYING, V_END
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  15) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  16) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  17) /* Keeps track of what we are finding */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  18) struct best_voice {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  19) 	unsigned int time;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  20) 	int voice;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  21) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  22) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  23) /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  24)  * prototypes
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  25)  */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  26) static void lookup_voices(struct snd_emux *emux, struct snd_emu10k1 *hw,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  27) 			  struct best_voice *best, int active_only);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  28) static struct snd_emux_voice *get_voice(struct snd_emux *emux,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  29) 					struct snd_emux_port *port);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  30) static int start_voice(struct snd_emux_voice *vp);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  31) static void trigger_voice(struct snd_emux_voice *vp);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  32) static void release_voice(struct snd_emux_voice *vp);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  33) static void update_voice(struct snd_emux_voice *vp, int update);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  34) static void terminate_voice(struct snd_emux_voice *vp);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  35) static void free_voice(struct snd_emux_voice *vp);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  36) static void set_fmmod(struct snd_emu10k1 *hw, struct snd_emux_voice *vp);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  37) static void set_fm2frq2(struct snd_emu10k1 *hw, struct snd_emux_voice *vp);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  38) static void set_filterQ(struct snd_emu10k1 *hw, struct snd_emux_voice *vp);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  39) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  40) /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  41)  * Ensure a value is between two points
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  42)  * macro evaluates its args more than once, so changed to upper-case.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  43)  */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  44) #define LIMITVALUE(x, a, b) do { if ((x) < (a)) (x) = (a); else if ((x) > (b)) (x) = (b); } while (0)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  45) #define LIMITMAX(x, a) do {if ((x) > (a)) (x) = (a); } while (0)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  46) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  47) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  48) /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  49)  * set up operators
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  50)  */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  51) static const struct snd_emux_operators emu10k1_ops = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  52) 	.owner =	THIS_MODULE,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  53) 	.get_voice =	get_voice,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  54) 	.prepare =	start_voice,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  55) 	.trigger =	trigger_voice,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  56) 	.release =	release_voice,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  57) 	.update =	update_voice,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  58) 	.terminate =	terminate_voice,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  59) 	.free_voice =	free_voice,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  60) 	.sample_new =	snd_emu10k1_sample_new,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  61) 	.sample_free =	snd_emu10k1_sample_free,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  62) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  63) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  64) void
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  65) snd_emu10k1_ops_setup(struct snd_emux *emux)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  66) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  67) 	emux->ops = emu10k1_ops;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  68) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  69) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  70) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  71) /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  72)  * get more voice for pcm
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  73)  *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  74)  * terminate most inactive voice and give it as a pcm voice.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  75)  *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  76)  * voice_lock is already held.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  77)  */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  78) int
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  79) snd_emu10k1_synth_get_voice(struct snd_emu10k1 *hw)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  80) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  81) 	struct snd_emux *emu;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  82) 	struct snd_emux_voice *vp;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  83) 	struct best_voice best[V_END];
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  84) 	int i;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  85) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  86) 	emu = hw->synth;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  87) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  88) 	lookup_voices(emu, hw, best, 1); /* no OFF voices */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  89) 	for (i = 0; i < V_END; i++) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  90) 		if (best[i].voice >= 0) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  91) 			int ch;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  92) 			vp = &emu->voices[best[i].voice];
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  93) 			if ((ch = vp->ch) < 0) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  94) 				/*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  95) 				dev_warn(emu->card->dev,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  96) 				       "synth_get_voice: ch < 0 (%d) ??", i);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  97) 				*/
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  98) 				continue;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  99) 			}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 100) 			vp->emu->num_voices--;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 101) 			vp->ch = -1;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 102) 			vp->state = SNDRV_EMUX_ST_OFF;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 103) 			return ch;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 104) 		}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 105) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 106) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 107) 	/* not found */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 108) 	return -ENOMEM;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 109) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 110) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 111) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 112) /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 113)  * turn off the voice (not terminated)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 114)  */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 115) static void
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 116) release_voice(struct snd_emux_voice *vp)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 117) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 118) 	int dcysusv;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 119) 	struct snd_emu10k1 *hw;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 120) 	
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 121) 	hw = vp->hw;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 122) 	dcysusv = 0x8000 | (unsigned char)vp->reg.parm.modrelease;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 123) 	snd_emu10k1_ptr_write(hw, DCYSUSM, vp->ch, dcysusv);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 124) 	dcysusv = 0x8000 | (unsigned char)vp->reg.parm.volrelease | DCYSUSV_CHANNELENABLE_MASK;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 125) 	snd_emu10k1_ptr_write(hw, DCYSUSV, vp->ch, dcysusv);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 126) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 127) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 128) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 129) /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 130)  * terminate the voice
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 131)  */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 132) static void
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 133) terminate_voice(struct snd_emux_voice *vp)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 134) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 135) 	struct snd_emu10k1 *hw;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 136) 	
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 137) 	if (snd_BUG_ON(!vp))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 138) 		return;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 139) 	hw = vp->hw;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 140) 	snd_emu10k1_ptr_write(hw, DCYSUSV, vp->ch, 0x807f | DCYSUSV_CHANNELENABLE_MASK);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 141) 	if (vp->block) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 142) 		struct snd_emu10k1_memblk *emem;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 143) 		emem = (struct snd_emu10k1_memblk *)vp->block;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 144) 		if (emem->map_locked > 0)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 145) 			emem->map_locked--;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 146) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 147) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 148) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 149) /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 150)  * release the voice to system
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 151)  */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 152) static void
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 153) free_voice(struct snd_emux_voice *vp)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 154) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 155) 	struct snd_emu10k1 *hw;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 156) 	
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 157) 	hw = vp->hw;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 158) 	/* FIXME: emu10k1_synth is broken. */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 159) 	/* This can get called with hw == 0 */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 160) 	/* Problem apparent on plug, unplug then plug */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 161) 	/* on the Audigy 2 ZS Notebook. */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 162) 	if (hw && (vp->ch >= 0)) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 163) 		snd_emu10k1_ptr_write(hw, IFATN, vp->ch, 0xff00);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 164) 		snd_emu10k1_ptr_write(hw, DCYSUSV, vp->ch, 0x807f | DCYSUSV_CHANNELENABLE_MASK);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 165) 		// snd_emu10k1_ptr_write(hw, DCYSUSV, vp->ch, 0);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 166) 		snd_emu10k1_ptr_write(hw, VTFT, vp->ch, 0xffff);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 167) 		snd_emu10k1_ptr_write(hw, CVCF, vp->ch, 0xffff);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 168) 		snd_emu10k1_voice_free(hw, &hw->voices[vp->ch]);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 169) 		vp->emu->num_voices--;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 170) 		vp->ch = -1;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 171) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 172) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 173) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 174) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 175) /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 176)  * update registers
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 177)  */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 178) static void
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 179) update_voice(struct snd_emux_voice *vp, int update)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 180) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 181) 	struct snd_emu10k1 *hw;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 182) 	
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 183) 	hw = vp->hw;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 184) 	if (update & SNDRV_EMUX_UPDATE_VOLUME)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 185) 		snd_emu10k1_ptr_write(hw, IFATN_ATTENUATION, vp->ch, vp->avol);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 186) 	if (update & SNDRV_EMUX_UPDATE_PITCH)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 187) 		snd_emu10k1_ptr_write(hw, IP, vp->ch, vp->apitch);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 188) 	if (update & SNDRV_EMUX_UPDATE_PAN) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 189) 		snd_emu10k1_ptr_write(hw, PTRX_FXSENDAMOUNT_A, vp->ch, vp->apan);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 190) 		snd_emu10k1_ptr_write(hw, PTRX_FXSENDAMOUNT_B, vp->ch, vp->aaux);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 191) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 192) 	if (update & SNDRV_EMUX_UPDATE_FMMOD)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 193) 		set_fmmod(hw, vp);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 194) 	if (update & SNDRV_EMUX_UPDATE_TREMFREQ)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 195) 		snd_emu10k1_ptr_write(hw, TREMFRQ, vp->ch, vp->reg.parm.tremfrq);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 196) 	if (update & SNDRV_EMUX_UPDATE_FM2FRQ2)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 197) 		set_fm2frq2(hw, vp);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 198) 	if (update & SNDRV_EMUX_UPDATE_Q)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 199) 		set_filterQ(hw, vp);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 200) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 201) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 202) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 203) /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 204)  * look up voice table - get the best voice in order of preference
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 205)  */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 206) /* spinlock held! */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 207) static void
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 208) lookup_voices(struct snd_emux *emu, struct snd_emu10k1 *hw,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 209) 	      struct best_voice *best, int active_only)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 210) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 211) 	struct snd_emux_voice *vp;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 212) 	struct best_voice *bp;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 213) 	int  i;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 214) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 215) 	for (i = 0; i < V_END; i++) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 216) 		best[i].time = (unsigned int)-1; /* XXX MAX_?INT really */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 217) 		best[i].voice = -1;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 218) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 219) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 220) 	/*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 221) 	 * Go through them all and get a best one to use.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 222) 	 * NOTE: could also look at volume and pick the quietest one.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 223) 	 */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 224) 	for (i = 0; i < emu->max_voices; i++) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 225) 		int state, val;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 226) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 227) 		vp = &emu->voices[i];
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 228) 		state = vp->state;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 229) 		if (state == SNDRV_EMUX_ST_OFF) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 230) 			if (vp->ch < 0) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 231) 				if (active_only)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 232) 					continue;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 233) 				bp = best + V_FREE;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 234) 			} else
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 235) 				bp = best + V_OFF;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 236) 		}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 237) 		else if (state == SNDRV_EMUX_ST_RELEASED ||
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 238) 			 state == SNDRV_EMUX_ST_PENDING) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 239) 			bp = best + V_RELEASED;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 240) #if 1
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 241) 			val = snd_emu10k1_ptr_read(hw, CVCF_CURRENTVOL, vp->ch);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 242) 			if (! val)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 243) 				bp = best + V_OFF;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 244) #endif
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 245) 		}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 246) 		else if (state == SNDRV_EMUX_ST_STANDBY)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 247) 			continue;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 248) 		else if (state & SNDRV_EMUX_ST_ON)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 249) 			bp = best + V_PLAYING;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 250) 		else
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 251) 			continue;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 252) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 253) 		/* check if sample is finished playing (non-looping only) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 254) 		if (bp != best + V_OFF && bp != best + V_FREE &&
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 255) 		    (vp->reg.sample_mode & SNDRV_SFNT_SAMPLE_SINGLESHOT)) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 256) 			val = snd_emu10k1_ptr_read(hw, CCCA_CURRADDR, vp->ch);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 257) 			if (val >= vp->reg.loopstart)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 258) 				bp = best + V_OFF;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 259) 		}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 260) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 261) 		if (vp->time < bp->time) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 262) 			bp->time = vp->time;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 263) 			bp->voice = i;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 264) 		}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 265) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 266) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 267) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 268) /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 269)  * get an empty voice
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 270)  *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 271)  * emu->voice_lock is already held.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 272)  */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 273) static struct snd_emux_voice *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 274) get_voice(struct snd_emux *emu, struct snd_emux_port *port)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 275) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 276) 	struct snd_emu10k1 *hw;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 277) 	struct snd_emux_voice *vp;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 278) 	struct best_voice best[V_END];
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 279) 	int i;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 280) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 281) 	hw = emu->hw;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 282) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 283) 	lookup_voices(emu, hw, best, 0);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 284) 	for (i = 0; i < V_END; i++) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 285) 		if (best[i].voice >= 0) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 286) 			vp = &emu->voices[best[i].voice];
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 287) 			if (vp->ch < 0) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 288) 				/* allocate a voice */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 289) 				struct snd_emu10k1_voice *hwvoice;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 290) 				if (snd_emu10k1_voice_alloc(hw, EMU10K1_SYNTH, 1, &hwvoice) < 0 || hwvoice == NULL)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 291) 					continue;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 292) 				vp->ch = hwvoice->number;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 293) 				emu->num_voices++;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 294) 			}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 295) 			return vp;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 296) 		}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 297) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 298) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 299) 	/* not found */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 300) 	return NULL;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 301) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 302) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 303) /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 304)  * prepare envelopes and LFOs
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 305)  */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 306) static int
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 307) start_voice(struct snd_emux_voice *vp)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 308) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 309) 	unsigned int temp;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 310) 	int ch;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 311) 	unsigned int addr, mapped_offset;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 312) 	struct snd_midi_channel *chan;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 313) 	struct snd_emu10k1 *hw;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 314) 	struct snd_emu10k1_memblk *emem;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 315) 	
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 316) 	hw = vp->hw;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 317) 	ch = vp->ch;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 318) 	if (snd_BUG_ON(ch < 0))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 319) 		return -EINVAL;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 320) 	chan = vp->chan;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 321) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 322) 	emem = (struct snd_emu10k1_memblk *)vp->block;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 323) 	if (emem == NULL)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 324) 		return -EINVAL;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 325) 	emem->map_locked++;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 326) 	if (snd_emu10k1_memblk_map(hw, emem) < 0) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 327) 		/* dev_err(hw->card->devK, "emu: cannot map!\n"); */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 328) 		return -ENOMEM;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 329) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 330) 	mapped_offset = snd_emu10k1_memblk_offset(emem) >> 1;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 331) 	vp->reg.start += mapped_offset;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 332) 	vp->reg.end += mapped_offset;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 333) 	vp->reg.loopstart += mapped_offset;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 334) 	vp->reg.loopend += mapped_offset;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 335) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 336) 	/* set channel routing */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 337) 	/* A = left(0), B = right(1), C = reverb(c), D = chorus(d) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 338) 	if (hw->audigy) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 339) 		temp = FXBUS_MIDI_LEFT | (FXBUS_MIDI_RIGHT << 8) | 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 340) 			(FXBUS_MIDI_REVERB << 16) | (FXBUS_MIDI_CHORUS << 24);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 341) 		snd_emu10k1_ptr_write(hw, A_FXRT1, ch, temp);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 342) 	} else {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 343) 		temp = (FXBUS_MIDI_LEFT << 16) | (FXBUS_MIDI_RIGHT << 20) | 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 344) 			(FXBUS_MIDI_REVERB << 24) | (FXBUS_MIDI_CHORUS << 28);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 345) 		snd_emu10k1_ptr_write(hw, FXRT, ch, temp);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 346) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 347) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 348) 	/* channel to be silent and idle */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 349) 	snd_emu10k1_ptr_write(hw, DCYSUSV, ch, 0x0000);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 350) 	snd_emu10k1_ptr_write(hw, VTFT, ch, 0x0000FFFF);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 351) 	snd_emu10k1_ptr_write(hw, CVCF, ch, 0x0000FFFF);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 352) 	snd_emu10k1_ptr_write(hw, PTRX, ch, 0);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 353) 	snd_emu10k1_ptr_write(hw, CPF, ch, 0);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 354) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 355) 	/* set pitch offset */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 356) 	snd_emu10k1_ptr_write(hw, IP, vp->ch, vp->apitch);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 357) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 358) 	/* set envelope parameters */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 359) 	snd_emu10k1_ptr_write(hw, ENVVAL, ch, vp->reg.parm.moddelay);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 360) 	snd_emu10k1_ptr_write(hw, ATKHLDM, ch, vp->reg.parm.modatkhld);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 361) 	snd_emu10k1_ptr_write(hw, DCYSUSM, ch, vp->reg.parm.moddcysus);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 362) 	snd_emu10k1_ptr_write(hw, ENVVOL, ch, vp->reg.parm.voldelay);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 363) 	snd_emu10k1_ptr_write(hw, ATKHLDV, ch, vp->reg.parm.volatkhld);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 364) 	/* decay/sustain parameter for volume envelope is used
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 365) 	   for triggerg the voice */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 366) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 367) 	/* cutoff and volume */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 368) 	temp = (unsigned int)vp->acutoff << 8 | (unsigned char)vp->avol;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 369) 	snd_emu10k1_ptr_write(hw, IFATN, vp->ch, temp);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 370) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 371) 	/* modulation envelope heights */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 372) 	snd_emu10k1_ptr_write(hw, PEFE, ch, vp->reg.parm.pefe);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 373) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 374) 	/* lfo1/2 delay */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 375) 	snd_emu10k1_ptr_write(hw, LFOVAL1, ch, vp->reg.parm.lfo1delay);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 376) 	snd_emu10k1_ptr_write(hw, LFOVAL2, ch, vp->reg.parm.lfo2delay);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 377) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 378) 	/* lfo1 pitch & cutoff shift */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 379) 	set_fmmod(hw, vp);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 380) 	/* lfo1 volume & freq */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 381) 	snd_emu10k1_ptr_write(hw, TREMFRQ, vp->ch, vp->reg.parm.tremfrq);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 382) 	/* lfo2 pitch & freq */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 383) 	set_fm2frq2(hw, vp);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 384) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 385) 	/* reverb and loop start (reverb 8bit, MSB) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 386) 	temp = vp->reg.parm.reverb;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 387) 	temp += (int)vp->chan->control[MIDI_CTL_E1_REVERB_DEPTH] * 9 / 10;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 388) 	LIMITMAX(temp, 255);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 389) 	addr = vp->reg.loopstart;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 390) 	snd_emu10k1_ptr_write(hw, PSST, vp->ch, (temp << 24) | addr);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 391) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 392) 	/* chorus & loop end (chorus 8bit, MSB) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 393) 	addr = vp->reg.loopend;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 394) 	temp = vp->reg.parm.chorus;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 395) 	temp += (int)chan->control[MIDI_CTL_E3_CHORUS_DEPTH] * 9 / 10;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 396) 	LIMITMAX(temp, 255);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 397) 	temp = (temp <<24) | addr;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 398) 	snd_emu10k1_ptr_write(hw, DSL, ch, temp);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 399) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 400) 	/* clear filter delay memory */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 401) 	snd_emu10k1_ptr_write(hw, Z1, ch, 0);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 402) 	snd_emu10k1_ptr_write(hw, Z2, ch, 0);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 403) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 404) 	/* invalidate maps */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 405) 	temp = (hw->silent_page.addr << hw->address_mode) | (hw->address_mode ? MAP_PTI_MASK1 : MAP_PTI_MASK0);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 406) 	snd_emu10k1_ptr_write(hw, MAPA, ch, temp);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 407) 	snd_emu10k1_ptr_write(hw, MAPB, ch, temp);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 408) #if 0
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 409) 	/* cache */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 410) 	{
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 411) 		unsigned int val, sample;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 412) 		val = 32;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 413) 		if (vp->reg.sample_mode & SNDRV_SFNT_SAMPLE_8BITS)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 414) 			sample = 0x80808080;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 415) 		else {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 416) 			sample = 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 417) 			val *= 2;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 418) 		}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 419) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 420) 		/* cache */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 421) 		snd_emu10k1_ptr_write(hw, CCR, ch, 0x1c << 16);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 422) 		snd_emu10k1_ptr_write(hw, CDE, ch, sample);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 423) 		snd_emu10k1_ptr_write(hw, CDF, ch, sample);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 424) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 425) 		/* invalidate maps */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 426) 		temp = ((unsigned int)hw->silent_page.addr << hw_address_mode) | (hw->address_mode ? MAP_PTI_MASK1 : MAP_PTI_MASK0);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 427) 		snd_emu10k1_ptr_write(hw, MAPA, ch, temp);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 428) 		snd_emu10k1_ptr_write(hw, MAPB, ch, temp);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 429) 		
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 430) 		/* fill cache */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 431) 		val -= 4;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 432) 		val <<= 25;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 433) 		val |= 0x1c << 16;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 434) 		snd_emu10k1_ptr_write(hw, CCR, ch, val);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 435) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 436) #endif
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 437) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 438) 	/* Q & current address (Q 4bit value, MSB) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 439) 	addr = vp->reg.start;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 440) 	temp = vp->reg.parm.filterQ;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 441) 	temp = (temp<<28) | addr;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 442) 	if (vp->apitch < 0xe400)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 443) 		temp |= CCCA_INTERPROM_0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 444) 	else {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 445) 		unsigned int shift = (vp->apitch - 0xe000) >> 10;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 446) 		temp |= shift << 25;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 447) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 448) 	if (vp->reg.sample_mode & SNDRV_SFNT_SAMPLE_8BITS)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 449) 		temp |= CCCA_8BITSELECT;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 450) 	snd_emu10k1_ptr_write(hw, CCCA, ch, temp);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 451) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 452) 	/* reset volume */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 453) 	temp = (unsigned int)vp->vtarget << 16;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 454) 	snd_emu10k1_ptr_write(hw, VTFT, ch, temp | vp->ftarget);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 455) 	snd_emu10k1_ptr_write(hw, CVCF, ch, temp | 0xff00);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 456) 	return 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 457) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 458) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 459) /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 460)  * Start envelope
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 461)  */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 462) static void
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 463) trigger_voice(struct snd_emux_voice *vp)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 464) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 465) 	unsigned int temp, ptarget;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 466) 	struct snd_emu10k1 *hw;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 467) 	struct snd_emu10k1_memblk *emem;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 468) 	
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 469) 	hw = vp->hw;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 470) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 471) 	emem = (struct snd_emu10k1_memblk *)vp->block;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 472) 	if (! emem || emem->mapped_page < 0)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 473) 		return; /* not mapped */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 474) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 475) #if 0
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 476) 	ptarget = (unsigned int)vp->ptarget << 16;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 477) #else
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 478) 	ptarget = IP_TO_CP(vp->apitch);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 479) #endif
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 480) 	/* set pitch target and pan (volume) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 481) 	temp = ptarget | (vp->apan << 8) | vp->aaux;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 482) 	snd_emu10k1_ptr_write(hw, PTRX, vp->ch, temp);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 483) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 484) 	/* pitch target */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 485) 	snd_emu10k1_ptr_write(hw, CPF, vp->ch, ptarget);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 486) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 487) 	/* trigger voice */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 488) 	snd_emu10k1_ptr_write(hw, DCYSUSV, vp->ch, vp->reg.parm.voldcysus|DCYSUSV_CHANNELENABLE_MASK);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 489) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 490) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 491) #define MOD_SENSE 18
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 492) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 493) /* set lfo1 modulation height and cutoff */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 494) static void
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 495) set_fmmod(struct snd_emu10k1 *hw, struct snd_emux_voice *vp)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 496) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 497) 	unsigned short fmmod;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 498) 	short pitch;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 499) 	unsigned char cutoff;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 500) 	int modulation;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 501) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 502) 	pitch = (char)(vp->reg.parm.fmmod>>8);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 503) 	cutoff = (vp->reg.parm.fmmod & 0xff);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 504) 	modulation = vp->chan->gm_modulation + vp->chan->midi_pressure;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 505) 	pitch += (MOD_SENSE * modulation) / 1200;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 506) 	LIMITVALUE(pitch, -128, 127);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 507) 	fmmod = ((unsigned char)pitch<<8) | cutoff;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 508) 	snd_emu10k1_ptr_write(hw, FMMOD, vp->ch, fmmod);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 509) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 510) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 511) /* set lfo2 pitch & frequency */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 512) static void
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 513) set_fm2frq2(struct snd_emu10k1 *hw, struct snd_emux_voice *vp)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 514) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 515) 	unsigned short fm2frq2;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 516) 	short pitch;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 517) 	unsigned char freq;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 518) 	int modulation;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 519) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 520) 	pitch = (char)(vp->reg.parm.fm2frq2>>8);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 521) 	freq = vp->reg.parm.fm2frq2 & 0xff;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 522) 	modulation = vp->chan->gm_modulation + vp->chan->midi_pressure;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 523) 	pitch += (MOD_SENSE * modulation) / 1200;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 524) 	LIMITVALUE(pitch, -128, 127);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 525) 	fm2frq2 = ((unsigned char)pitch<<8) | freq;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 526) 	snd_emu10k1_ptr_write(hw, FM2FRQ2, vp->ch, fm2frq2);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 527) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 528) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 529) /* set filterQ */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 530) static void
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 531) set_filterQ(struct snd_emu10k1 *hw, struct snd_emux_voice *vp)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 532) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 533) 	unsigned int val;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 534) 	val = snd_emu10k1_ptr_read(hw, CCCA, vp->ch) & ~CCCA_RESONANCE;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 535) 	val |= (vp->reg.parm.filterQ << 28);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 536) 	snd_emu10k1_ptr_write(hw, CCCA, vp->ch, val);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 537) }