diff options
Diffstat (limited to 'sound/pci/trident/trident_synth.c')
| -rw-r--r-- | sound/pci/trident/trident_synth.c | 1024 |
1 files changed, 0 insertions, 1024 deletions
diff --git a/sound/pci/trident/trident_synth.c b/sound/pci/trident/trident_synth.c deleted file mode 100644 index 9b7dee84743..00000000000 --- a/sound/pci/trident/trident_synth.c +++ /dev/null @@ -1,1024 +0,0 @@ -/* - * Routines for Trident 4DWave NX/DX soundcards - Synthesizer - * Copyright (c) by Scott McNab <jedi@tartarus.uwa.edu.au> - * - * - * 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., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA - * - */ - -#include <sound/driver.h> -#include <asm/io.h> -#include <linux/init.h> -#include <linux/slab.h> -#include <linux/pci.h> -#include <sound/core.h> -#include <sound/trident.h> -#include <sound/seq_device.h> - -MODULE_AUTHOR("Scott McNab <jedi@tartarus.uwa.edu.au>"); -MODULE_DESCRIPTION("Routines for Trident 4DWave NX/DX soundcards - Synthesizer"); -MODULE_LICENSE("GPL"); - -/* linear to log pan conversion table (4.2 channel attenuation format) */ -static unsigned int pan_table[63] = { - 7959, 7733, 7514, 7301, 7093, 6892, 6697, 6507, - 6322, 6143, 5968, 5799, 5634, 5475, 5319, 5168, - 5022, 4879, 4741, 4606, 4475, 4349, 4225, 4105, - 3989, 3876, 3766, 3659, 3555, 3454, 3356, 3261, - 3168, 3078, 2991, 2906, 2824, 2744, 2666, 2590, - 2517, 2445, 2376, 2308, 2243, 2179, 2117, 2057, - 1999, 1942, 1887, 1833, 1781, 1731, 1682, 1634, - 1588, 1543, 1499, 1456, 1415, 1375, 1336 -}; - -#define LOG_TABLE_SIZE 386 - -/* Linear half-attenuation to log conversion table in the format: - * {linear volume, logarithmic attenuation equivalent}, ... - * - * Provides conversion from a linear half-volume value in the range - * [0,8192] to a logarithmic attenuation value in the range 0 to 6.02dB. - * Halving the linear volume is equivalent to an additional 6dB of - * logarithmic attenuation. The algorithm used in log_from_linear() - * therefore uses this table as follows: - * - * - loop and for every time the volume is less than half the maximum - * volume (16384), add another 6dB and halve the maximum value used - * for this comparison. - * - when the volume is greater than half the maximum volume, take - * the difference of the volume to half volume (in the range [0,8192]) - * and look up the log_table[] to find the nearest entry. - * - take the logarithic component of this entry and add it to the - * resulting attenuation. - * - * Thus this routine provides a linear->log conversion for a range of - * [0,16384] using only 386 table entries - * - * Note: although this table stores log attenuation in 8.8 format, values - * were only calculated for 6 bits fractional precision, since that is - * the most precision offered by the trident hardware. - */ - -static unsigned short log_table[LOG_TABLE_SIZE*2] = -{ - 4, 0x0604, 19, 0x0600, 34, 0x05fc, - 49, 0x05f8, 63, 0x05f4, 78, 0x05f0, 93, 0x05ec, 108, 0x05e8, - 123, 0x05e4, 138, 0x05e0, 153, 0x05dc, 168, 0x05d8, 183, 0x05d4, - 198, 0x05d0, 213, 0x05cc, 228, 0x05c8, 244, 0x05c4, 259, 0x05c0, - 274, 0x05bc, 289, 0x05b8, 304, 0x05b4, 320, 0x05b0, 335, 0x05ac, - 350, 0x05a8, 366, 0x05a4, 381, 0x05a0, 397, 0x059c, 412, 0x0598, - 428, 0x0594, 443, 0x0590, 459, 0x058c, 474, 0x0588, 490, 0x0584, - 506, 0x0580, 521, 0x057c, 537, 0x0578, 553, 0x0574, 568, 0x0570, - 584, 0x056c, 600, 0x0568, 616, 0x0564, 632, 0x0560, 647, 0x055c, - 663, 0x0558, 679, 0x0554, 695, 0x0550, 711, 0x054c, 727, 0x0548, - 743, 0x0544, 759, 0x0540, 776, 0x053c, 792, 0x0538, 808, 0x0534, - 824, 0x0530, 840, 0x052c, 857, 0x0528, 873, 0x0524, 889, 0x0520, - 906, 0x051c, 922, 0x0518, 938, 0x0514, 955, 0x0510, 971, 0x050c, - 988, 0x0508, 1004, 0x0504, 1021, 0x0500, 1037, 0x04fc, 1054, 0x04f8, - 1071, 0x04f4, 1087, 0x04f0, 1104, 0x04ec, 1121, 0x04e8, 1138, 0x04e4, - 1154, 0x04e0, 1171, 0x04dc, 1188, 0x04d8, 1205, 0x04d4, 1222, 0x04d0, - 1239, 0x04cc, 1256, 0x04c8, 1273, 0x04c4, 1290, 0x04c0, 1307, 0x04bc, - 1324, 0x04b8, 1341, 0x04b4, 1358, 0x04b0, 1376, 0x04ac, 1393, 0x04a8, - 1410, 0x04a4, 1427, 0x04a0, 1445, 0x049c, 1462, 0x0498, 1479, 0x0494, - 1497, 0x0490, 1514, 0x048c, 1532, 0x0488, 1549, 0x0484, 1567, 0x0480, - 1584, 0x047c, 1602, 0x0478, 1620, 0x0474, 1637, 0x0470, 1655, 0x046c, - 1673, 0x0468, 1690, 0x0464, 1708, 0x0460, 1726, 0x045c, 1744, 0x0458, - 1762, 0x0454, 1780, 0x0450, 1798, 0x044c, 1816, 0x0448, 1834, 0x0444, - 1852, 0x0440, 1870, 0x043c, 1888, 0x0438, 1906, 0x0434, 1924, 0x0430, - 1943, 0x042c, 1961, 0x0428, 1979, 0x0424, 1997, 0x0420, 2016, 0x041c, - 2034, 0x0418, 2053, 0x0414, 2071, 0x0410, 2089, 0x040c, 2108, 0x0408, - 2127, 0x0404, 2145, 0x0400, 2164, 0x03fc, 2182, 0x03f8, 2201, 0x03f4, - 2220, 0x03f0, 2239, 0x03ec, 2257, 0x03e8, 2276, 0x03e4, 2295, 0x03e0, - 2314, 0x03dc, 2333, 0x03d8, 2352, 0x03d4, 2371, 0x03d0, 2390, 0x03cc, - 2409, 0x03c8, 2428, 0x03c4, 2447, 0x03c0, 2466, 0x03bc, 2485, 0x03b8, - 2505, 0x03b4, 2524, 0x03b0, 2543, 0x03ac, 2562, 0x03a8, 2582, 0x03a4, - 2601, 0x03a0, 2621, 0x039c, 2640, 0x0398, 2660, 0x0394, 2679, 0x0390, - 2699, 0x038c, 2718, 0x0388, 2738, 0x0384, 2758, 0x0380, 2777, 0x037c, - 2797, 0x0378, 2817, 0x0374, 2837, 0x0370, 2857, 0x036c, 2876, 0x0368, - 2896, 0x0364, 2916, 0x0360, 2936, 0x035c, 2956, 0x0358, 2976, 0x0354, - 2997, 0x0350, 3017, 0x034c, 3037, 0x0348, 3057, 0x0344, 3077, 0x0340, - 3098, 0x033c, 3118, 0x0338, 3138, 0x0334, 3159, 0x0330, 3179, 0x032c, - 3200, 0x0328, 3220, 0x0324, 3241, 0x0320, 3261, 0x031c, 3282, 0x0318, - 3303, 0x0314, 3323, 0x0310, 3344, 0x030c, 3365, 0x0308, 3386, 0x0304, - 3406, 0x0300, 3427, 0x02fc, 3448, 0x02f8, 3469, 0x02f4, 3490, 0x02f0, - 3511, 0x02ec, 3532, 0x02e8, 3553, 0x02e4, 3575, 0x02e0, 3596, 0x02dc, - 3617, 0x02d8, 3638, 0x02d4, 3660, 0x02d0, 3681, 0x02cc, 3702, 0x02c8, - 3724, 0x02c4, 3745, 0x02c0, 3767, 0x02bc, 3788, 0x02b8, 3810, 0x02b4, - 3831, 0x02b0, 3853, 0x02ac, 3875, 0x02a8, 3896, 0x02a4, 3918, 0x02a0, - 3940, 0x029c, 3962, 0x0298, 3984, 0x0294, 4006, 0x0290, 4028, 0x028c, - 4050, 0x0288, 4072, 0x0284, 4094, 0x0280, 4116, 0x027c, 4138, 0x0278, - 4160, 0x0274, 4182, 0x0270, 4205, 0x026c, 4227, 0x0268, 4249, 0x0264, - 4272, 0x0260, 4294, 0x025c, 4317, 0x0258, 4339, 0x0254, 4362, 0x0250, - 4384, 0x024c, 4407, 0x0248, 4430, 0x0244, 4453, 0x0240, 4475, 0x023c, - 4498, 0x0238, 4521, 0x0234, 4544, 0x0230, 4567, 0x022c, 4590, 0x0228, - 4613, 0x0224, 4636, 0x0220, 4659, 0x021c, 4682, 0x0218, 4705, 0x0214, - 4728, 0x0210, 4752, 0x020c, 4775, 0x0208, 4798, 0x0204, 4822, 0x0200, - 4845, 0x01fc, 4869, 0x01f8, 4892, 0x01f4, 4916, 0x01f0, 4939, 0x01ec, - 4963, 0x01e8, 4987, 0x01e4, 5010, 0x01e0, 5034, 0x01dc, 5058, 0x01d8, - 5082, 0x01d4, 5106, 0x01d0, 5130, 0x01cc, 5154, 0x01c8, 5178, 0x01c4, - 5202, 0x01c0, 5226, 0x01bc, 5250, 0x01b8, 5274, 0x01b4, 5299, 0x01b0, - 5323, 0x01ac, 5347, 0x01a8, 5372, 0x01a4, 5396, 0x01a0, 5420, 0x019c, - 5445, 0x0198, 5469, 0x0194, 5494, 0x0190, 5519, 0x018c, 5543, 0x0188, - 5568, 0x0184, 5593, 0x0180, 5618, 0x017c, 5643, 0x0178, 5668, 0x0174, - 5692, 0x0170, 5717, 0x016c, 5743, 0x0168, 5768, 0x0164, 5793, 0x0160, - 5818, 0x015c, 5843, 0x0158, 5868, 0x0154, 5894, 0x0150, 5919, 0x014c, - 5945, 0x0148, 5970, 0x0144, 5995, 0x0140, 6021, 0x013c, 6047, 0x0138, - 6072, 0x0134, 6098, 0x0130, 6124, 0x012c, 6149, 0x0128, 6175, 0x0124, - 6201, 0x0120, 6227, 0x011c, 6253, 0x0118, 6279, 0x0114, 6305, 0x0110, - 6331, 0x010c, 6357, 0x0108, 6384, 0x0104, 6410, 0x0100, 6436, 0x00fc, - 6462, 0x00f8, 6489, 0x00f4, 6515, 0x00f0, 6542, 0x00ec, 6568, 0x00e8, - 6595, 0x00e4, 6621, 0x00e0, 6648, 0x00dc, 6675, 0x00d8, 6702, 0x00d4, - 6728, 0x00d0, 6755, 0x00cc, 6782, 0x00c8, 6809, 0x00c4, 6836, 0x00c0, - 6863, 0x00bc, 6890, 0x00b8, 6917, 0x00b4, 6945, 0x00b0, 6972, 0x00ac, - 6999, 0x00a8, 7027, 0x00a4, 7054, 0x00a0, 7081, 0x009c, 7109, 0x0098, - 7136, 0x0094, 7164, 0x0090, 7192, 0x008c, 7219, 0x0088, 7247, 0x0084, - 7275, 0x0080, 7303, 0x007c, 7331, 0x0078, 7359, 0x0074, 7387, 0x0070, - 7415, 0x006c, 7443, 0x0068, 7471, 0x0064, 7499, 0x0060, 7527, 0x005c, - 7556, 0x0058, 7584, 0x0054, 7613, 0x0050, 7641, 0x004c, 7669, 0x0048, - 7698, 0x0044, 7727, 0x0040, 7755, 0x003c, 7784, 0x0038, 7813, 0x0034, - 7842, 0x0030, 7870, 0x002c, 7899, 0x0028, 7928, 0x0024, 7957, 0x0020, - 7986, 0x001c, 8016, 0x0018, 8045, 0x0014, 8074, 0x0010, 8103, 0x000c, - 8133, 0x0008, 8162, 0x0004, 8192, 0x0000 -}; - -static unsigned short lookup_volume_table( unsigned short value ) -{ - /* This code is an optimised version of: - * int i = 0; - * while( volume_table[i*2] < value ) - * i++; - * return volume_table[i*2+1]; - */ - unsigned short *ptr = log_table; - while( *ptr < value ) - ptr += 2; - return *(ptr+1); -} - -/* this function calculates a 8.8 fixed point logarithmic attenuation - * value from a linear volume value in the range 0 to 16384 */ -static unsigned short log_from_linear( unsigned short value ) -{ - if (value >= 16384) - return 0x0000; - if (value) { - unsigned short result = 0; - int v, c; - for( c = 0, v = 8192; c < 14; c++, v >>= 1 ) { - if( value >= v ) { - result += lookup_volume_table( (value - v) << c ); - return result; - } - result += 0x0605; /* 6.0205 (result of -20*log10(0.5)) */ - } - } - return 0xffff; -} - -/* - * Sample handling operations - */ - -static void sample_start(struct snd_trident * trident, struct snd_trident_voice * voice, snd_seq_position_t position); -static void sample_stop(struct snd_trident * trident, struct snd_trident_voice * voice, int mode); -static void sample_freq(struct snd_trident * trident, struct snd_trident_voice * voice, snd_seq_frequency_t freq); -static void sample_volume(struct snd_trident * trident, struct snd_trident_voice * voice, struct snd_seq_ev_volume * volume); -static void sample_loop(struct snd_trident * trident, struct snd_trident_voice * voice, struct snd_seq_ev_loop * loop); -static void sample_pos(struct snd_trident * trident, struct snd_trident_voice * voice, snd_seq_position_t position); -static void sample_private1(struct snd_trident * trident, struct snd_trident_voice * voice, unsigned char *data); - -static struct snd_trident_sample_ops sample_ops = -{ - sample_start, - sample_stop, - sample_freq, - sample_volume, - sample_loop, - sample_pos, - sample_private1 -}; - -static void snd_trident_simple_init(struct snd_trident_voice * voice) -{ - //voice->handler_wave = interrupt_wave; - //voice->handler_volume = interrupt_volume; - //voice->handler_effect = interrupt_effect; - //voice->volume_change = NULL; - voice->sample_ops = &sample_ops; -} - -static void sample_start(struct snd_trident * trident, struct snd_trident_voice * voice, snd_seq_position_t position) -{ - struct simple_instrument *simple; - struct snd_seq_kinstr *instr; - unsigned long flags; - unsigned int loop_start, loop_end, sample_start, sample_end, start_offset; - unsigned int value; - unsigned int shift = 0; - - instr = snd_seq_instr_find(trident->synth.ilist, &voice->instr, 0, 1); - if (instr == NULL) - return; - voice->instr = instr->instr; /* copy ID to speedup aliases */ - simple = KINSTR_DATA(instr); - - spin_lock_irqsave(&trident->reg_lock, flags); - - if (trident->device == TRIDENT_DEVICE_ID_SI7018) - voice->GVSel = 1; /* route to Wave volume */ - - voice->CTRL = 0; - voice->Alpha = 0; - voice->FMS = 0; - - loop_start = simple->loop_start >> 4; - loop_end = simple->loop_end >> 4; - sample_start = (simple->start + position) >> 4; - if( sample_start >= simple->size ) - sample_start = simple->start >> 4; - sample_end = simple->size; - start_offset = position >> 4; - - if (simple->format & SIMPLE_WAVE_16BIT) { - voice->CTRL |= 8; - shift++; - } - if (simple->format & SIMPLE_WAVE_STEREO) { - voice->CTRL |= 4; - shift++; - } - if (!(simple->format & SIMPLE_WAVE_UNSIGNED)) - voice->CTRL |= 2; - - voice->LBA = simple->address.memory; - - if (simple->format & SIMPLE_WAVE_LOOP) { - voice->CTRL |= 1; - voice->LBA += loop_start << shift; - if( start_offset >= loop_start ) { - voice->CSO = start_offset - loop_start; - voice->negCSO = 0; - } else { - voice->CSO = loop_start - start_offset; - voice->negCSO = 1; - } - voice->ESO = loop_end - loop_start - 1; - } else { - voice->LBA += start_offset << shift; - voice->CSO = sample_start; - voice->ESO = sample_end - 1; - voice->negCSO = 0; - } - - if (voice->flags & SNDRV_TRIDENT_VFLG_RUNNING) { - snd_trident_stop_voice(trident, voice->number); - voice->flags &= ~SNDRV_TRIDENT_VFLG_RUNNING; - } - - /* set CSO sign */ - value = inl(TRID_REG(trident, T4D_SIGN_CSO_A)); - if( voice->negCSO ) { - value |= 1 << (voice->number&31); - } else { - value &= ~(1 << (voice->number&31)); - } - outl(value,TRID_REG(trident, T4D_SIGN_CSO_A)); - - voice->Attribute = 0; - snd_trident_write_voice_regs(trident, voice); - snd_trident_start_voice(trident, voice->number); - voice->flags |= SNDRV_TRIDENT_VFLG_RUNNING; - spin_unlock_irqrestore(&trident->reg_lock, flags); - snd_seq_instr_free_use(trident->synth.ilist, instr); -} - -static void sample_stop(struct snd_trident * trident, struct snd_trident_voice * voice, int mode) -{ - unsigned long flags; - - if (!(voice->flags & SNDRV_TRIDENT_VFLG_RUNNING)) - return; - - switch (mode) { - default: - spin_lock_irqsave(&trident->reg_lock, flags); - snd_trident_stop_voice(trident, voice->number); - voice->flags &= ~SNDRV_TRIDENT_VFLG_RUNNING; - spin_unlock_irqrestore(&trident->reg_lock, flags); - break; - case SAMPLE_STOP_LOOP: /* disable loop only */ - voice->CTRL &= ~1; - spin_lock_irqsave(&trident->reg_lock, flags); - outb((unsigned char) voice->number, TRID_REG(trident, T4D_LFO_GC_CIR)); - outw((((voice->CTRL << 12) | (voice->EC & 0x0fff)) & 0xffff), CH_GVSEL_PAN_VOL_CTRL_EC); - spin_unlock_irqrestore(&trident->reg_lock, flags); - break; - } -} - -static void sample_freq(struct snd_trident * trident, struct snd_trident_voice * voice, snd_seq_frequency_t freq) -{ - unsigned long flags; - freq >>= 4; - - spin_lock_irqsave(&trident->reg_lock, flags); - if (freq == 44100) - voice->Delta = 0xeb3; - else if (freq == 8000) - voice->Delta = 0x2ab; - else if (freq == 48000) - voice->Delta = 0x1000; - else - voice->Delta = (((freq << 12) + freq) / 48000) & 0x0000ffff; - - outb((unsigned char) voice->number, TRID_REG(trident, T4D_LFO_GC_CIR)); - if (trident->device == TRIDENT_DEVICE_ID_NX) { - outb((unsigned char) voice->Delta, TRID_REG(trident, CH_NX_DELTA_CSO + 3)); - outb((unsigned char) (voice->Delta >> 8), TRID_REG(trident, CH_NX_DELTA_ESO + 3)); - } else { - outw((unsigned short) voice->Delta, TRID_REG(trident, CH_DX_ESO_DELTA)); - } - - spin_unlock_irqrestore(&trident->reg_lock, flags); -} - -static void sample_volume(struct snd_trident * trident, struct snd_trident_voice * voice, struct snd_seq_ev_volume * volume) -{ - unsigned long flags; - unsigned short value; - - spin_lock_irqsave(&trident->reg_lock, flags); - voice->GVSel = 0; /* use global music volume */ - voice->FMC = 0x03; /* fixme: can we do something useful with FMC? */ - if (volume->volume >= 0) { - volume->volume &= 0x3fff; - /* linear volume -> logarithmic attenuation conversion - * uses EC register for greater resolution (6.6 bits) than Vol register (5.3 bits) - * Vol register used when additional attenuation is required */ - voice->RVol = 0; - voice->CVol = 0; - value = log_from_linear( volume->volume ); - voice->Vol = 0; - voice->EC = (value & 0x3fff) >> 2; - if (value > 0x3fff) { - voice->EC |= 0xfc0; - if (value < 0x5f00 ) - voice->Vol = ((value >> 8) - 0x3f) << 5; - else { - voice->Vol = 0x3ff; - voice->EC = 0xfff; - } - } - } - if (volume->lr >= 0) { - volume->lr &= 0x3fff; - /* approximate linear pan by attenuating channels */ - if (volume->lr >= 0x2000) { /* attenuate left (pan right) */ - value = 0x3fff - volume->lr; - for (voice->Pan = 0; voice->Pan < 63; voice->Pan++ ) - if (value >= pan_table[voice->Pan] ) - break; - } else { /* attenuate right (pan left) */ - for (voice->Pan = 0; voice->Pan < 63; voice->Pan++ ) - if ((unsigned int)volume->lr >= pan_table[voice->Pan] ) - break; - voice->Pan |= 0x40; - } - } - outb((unsigned char) voice->number, TRID_REG(trident, T4D_LFO_GC_CIR)); - outl((voice->GVSel << 31) | ((voice->Pan & 0x0000007f) << 24) | - ((voice->Vol & 0x000000ff) << 16) | ((voice->CTRL & 0x0000000f) << 12) | - (voice->EC & 0x00000fff), TRID_REG(trident, CH_GVSEL_PAN_VOL_CTRL_EC)); - value = ((voice->FMC & 0x03) << 14) | ((voice->RVol & 0x7f) << 7) | (voice->CVol & 0x7f); - outw(value, TRID_REG(trident, CH_DX_FMC_RVOL_CVOL)); - spin_unlock_irqrestore(&trident->reg_lock, flags); -} - -static void sample_loop(struct snd_trident * trident, struct snd_trident_voice * voice, struct snd_seq_ev_loop * loop) -{ - unsigned long flags; - struct simple_instrument *simple; - struct snd_seq_kinstr *instr; - unsigned int loop_start, loop_end; - - instr = snd_seq_instr_find(trident->synth.ilist, &voice->instr, 0, 1); - if (instr == NULL) - return; - voice->instr = instr->instr; /* copy ID to speedup aliases */ - simple = KINSTR_DATA(instr); - - loop_start = loop->start >> 4; - loop_end = loop->end >> 4; - - spin_lock_irqsave(&trident->reg_lock, flags); - - voice->LBA = simple->address.memory + loop_start; - voice->CSO = 0; - voice->ESO = loop_end - loop_start - 1; - - outb((unsigned char) voice->number, TRID_REG(trident, T4D_LFO_GC_CIR)); - outb((voice->LBA >> 16), TRID_REG(trident, CH_LBA + 2)); - outw((voice->LBA & 0xffff), TRID_REG(trident, CH_LBA)); - if (trident->device == TRIDENT_DEVICE_ID_NX) { - outb((voice->ESO >> 16), TRID_REG(trident, CH_NX_DELTA_ESO + 2)); - outw((voice->ESO & 0xffff), TRID_REG(trident, CH_NX_DELTA_ESO)); - outb((voice->CSO >> 16), TRID_REG(trident, CH_NX_DELTA_CSO + 2)); - outw((voice->CSO & 0xffff), TRID_REG(trident, CH_NX_DELTA_CSO)); - } else { - outw((voice->ESO & 0xffff), TRID_REG(trident, CH_DX_ESO_DELTA + 2)); - outw((voice->CSO & 0xffff), TRID_REG(trident, CH_DX_CSO_ALPHA_FMS + 2)); - } - - spin_unlock_irqrestore(&trident->reg_lock, flags); - snd_seq_instr_free_use(trident->synth.ilist, instr); -} - -static void sample_pos(struct snd_trident * trident, struct snd_trident_voice * voice, snd_seq_position_t position) -{ - unsigned long flags; - struct simple_instrument *simple; - struct snd_seq_kinstr *instr; - unsigned int value; - - instr = snd_seq_instr_find(trident->synth.ilist, &voice->instr, 0, 1); - if (instr == NULL) - return; - voice->instr = instr->instr; /* copy ID to speedup aliases */ - simple = KINSTR_DATA(instr); - - spin_lock_irqsave(&trident->reg_lock, flags); - - if (simple->format & SIMPLE_WAVE_LOOP) { - if( position >= simple->loop_start ) { - voice->CSO = (position - simple->loop_start) >> 4; - voice->negCSO = 0; - } else { - voice->CSO = (simple->loop_start - position) >> 4; - voice->negCSO = 1; - } - } else { - voice->CSO = position >> 4; - voice->negCSO = 0; - } - - /* set CSO sign */ - value = inl(TRID_REG(trident, T4D_SIGN_CSO_A)); - if( voice->negCSO ) { - value |= 1 << (voice->number&31); - } else { - value &= ~(1 << (voice->number&31)); - } - outl(value,TRID_REG(trident, T4D_SIGN_CSO_A)); - - - outb((unsigned char) voice->number, TRID_REG(trident, T4D_LFO_GC_CIR)); - if (trident->device == TRIDENT_DEVICE_ID_NX) { - outw((voice->CSO & 0xffff), TRID_REG(trident, CH_NX_DELTA_CSO)); - outb((voice->CSO >> 16), TRID_REG(trident, CH_NX_DELTA_CSO + 2)); - } else { - outw((voice->CSO & 0xffff), TRID_REG(trident, CH_DX_CSO_ALPHA_FMS) + 2); - } - - spin_unlock_irqrestore(&trident->reg_lock, flags); - snd_seq_instr_free_use(trident->synth.ilist, instr); -} - -static void sample_private1(struct snd_trident * trident, struct snd_trident_voice * voice, unsigned char *data) -{ -} - -/* - * Memory management / sample loading - */ - -static int snd_trident_simple_put_sample(void *private_data, - struct simple_instrument * instr, - char __user *data, long len, int atomic) -{ - struct snd_trident *trident = private_data; - int size = instr->size; - int shift = 0; - - if (instr->format & SIMPLE_WAVE_BACKWARD || - instr->format & SIMPLE_WAVE_BIDIR || - instr->format & SIMPLE_WAVE_ULAW) - return -EINVAL; /* not supported */ - - if (instr->format & SIMPLE_WAVE_16BIT) - shift++; - if (instr->format & SIMPLE_WAVE_STEREO) - shift++; - size <<= shift; - - if (trident->synth.current_size + size > trident->synth.max_size) - return -ENOMEM; - - if (!access_ok(VERIFY_READ, data, size)) - return -EFAULT; - - if (trident->tlb.entries) { - struct snd_util_memblk *memblk; - memblk = snd_trident_synth_alloc(trident, size); - if (memblk == NULL) - return -ENOMEM; - if (snd_trident_synth_copy_from_user(trident, memblk, 0, data, size) ) { - snd_trident_synth_free(trident, memblk); - return -EFAULT; - } - instr->address.ptr = (unsigned char*)memblk; - instr->address.memory = memblk->offset; - } else { - struct snd_dma_buffer dmab; - if (snd_dma_alloc_pages(SNDRV_DMA_TYPE_DEV, snd_dma_pci_data(trident->pci), - size, &dmab) < 0) - return -ENOMEM; - - if (copy_from_user(dmab.area, data, size)) { - snd_dma_free_pages(&dmab); - return -EFAULT; - } - instr->address.ptr = dmab.area; - instr->address.memory = dmab.addr; - } - - trident->synth.current_size += size; - return 0; -} - -static int snd_trident_simple_get_sample(void *private_data, - struct simple_instrument * instr, - char __user *data, long len, int atomic) -{ - //struct snd_trident *trident = private_data; - int size = instr->size; - int shift = 0; - - if (instr->format & SIMPLE_WAVE_16BIT) - shift++; - if (instr->format & SIMPLE_WAVE_STEREO) - shift++; - size <<= shift; - - if (!access_ok(VERIFY_WRITE, data, size)) - return -EFAULT; - - /* FIXME: not implemented yet */ - - return -EBUSY; -} - -static int snd_trident_simple_remove_sample(void *private_data, - struct simple_instrument * instr, - int atomic) -{ - struct snd_trident *trident = private_data; - int size = instr->size; - - if (instr->format & SIMPLE_WAVE_16BIT) - size <<= 1; - if (instr->format & SIMPLE_WAVE_STEREO) - size <<= 1; - - if (trident->tlb.entries) { - struct snd_util_memblk *memblk = (struct snd_util_memblk *)instr->address.ptr; - if (memblk) - snd_trident_synth_free(trident, memblk); - else - return -EFAULT; - } else { - struct snd_dma_buffer dmab; - dmab.dev.type = SNDRV_DMA_TYPE_DEV; - dmab.dev.dev = snd_dma_pci_data(trident->pci); - dmab.area = instr->address.ptr; - dmab.addr = instr->address.memory; - dmab.bytes = size; - snd_dma_free_pages(&dmab); - } - - trident->synth.current_size -= size; - if (trident->synth.current_size < 0) /* shouldn't need this check... */ - trident->synth.current_size = 0; - - return 0; -} - -static void select_instrument(struct snd_trident * trident, struct snd_trident_voice * v) -{ - struct snd_seq_kinstr *instr; - instr = snd_seq_instr_find(trident->synth.ilist, &v->instr, 0, 1); - if (instr != NULL) { - if (instr->ops) { - if (!strcmp(instr->ops->instr_type, SNDRV_SEQ_INSTR_ID_SIMPLE)) - snd_trident_simple_init(v); - } - snd_seq_instr_free_use(trident->synth.ilist, instr); - } -} - -/* - - */ - -static void event_sample(struct snd_seq_event * ev, struct snd_trident_port * p, struct snd_trident_voice * v) -{ - if (v->sample_ops && v->sample_ops->sample_stop) - v->sample_ops->sample_stop(p->trident, v, SAMPLE_STOP_IMMEDIATELY); - v->instr.std = ev->data.sample.param.sample.std; - if (v->instr.std & 0xff000000) { /* private instrument */ - v->instr.std &= 0x00ffffff; - v->instr.std |= (unsigned int)ev->source.client << 24; - } - v->instr.bank = ev->data.sample.param.sample.bank; - v->instr.prg = ev->data.sample.param.sample.prg; - select_instrument(p->trident, v); -} - -static void event_cluster(struct snd_seq_event * ev, struct snd_trident_port * p, struct snd_trident_voice * v) -{ - if (v->sample_ops && v->sample_ops->sample_stop) - v->sample_ops->sample_stop(p->trident, v, SAMPLE_STOP_IMMEDIATELY); - v->instr.cluster = ev->data.sample.param.cluster.cluster; - select_instrument(p->trident, v); -} - -static void event_start(struct snd_seq_event * ev, struct snd_trident_port * p, struct snd_trident_voice * v) -{ - if (v->sample_ops && v->sample_ops->sample_start) - v->sample_ops->sample_start(p->trident, v, ev->data.sample.param.position); -} - -static void event_stop(struct snd_seq_event * ev, struct snd_trident_port * p, struct snd_trident_voice * v) -{ - if (v->sample_ops && v->sample_ops->sample_stop) - v->sample_ops->sample_stop(p->trident, v, ev->data.sample.param.stop_mode); -} - -static void event_freq(struct snd_seq_event * ev, struct snd_trident_port * p, struct snd_trident_voice * v) -{ - if (v->sample_ops && v->sample_ops->sample_freq) - v->sample_ops->sample_freq(p->trident, v, ev->data.sample.param.frequency); -} - -static void event_volume(struct snd_seq_event * ev, struct snd_trident_port * p, struct snd_trident_voice * v) -{ - if (v->sample_ops && v->sample_ops->sample_volume) - v->sample_ops->sample_volume(p->trident, v, &ev->data.sample.param.volume); -} - -static void event_loop(struct snd_seq_event * ev, struct snd_trident_port * p, struct snd_trident_voice * v) -{ - if (v->sample_ops && v->sample_ops->sample_loop) - v->sample_ops->sample_loop(p->trident, v, &ev->data.sample.param.loop); -} - -static void event_position(struct snd_seq_event * ev, struct snd_trident_port * p, struct snd_trident_voice * v) -{ - if (v->sample_ops && v->sample_ops->sample_pos) - v->sample_ops->sample_pos(p->trident, v, ev->data.sample.param.position); -} - -static void event_private1(struct snd_seq_event * ev, struct snd_trident_port * p, struct snd_trident_voice * v) -{ - if (v->sample_ops && v->sample_ops->sample_private1) - v->sample_ops->sample_private1(p->trident, v, (unsigned char *) &ev->data.sample.param.raw8); -} - -typedef void (trident_sample_event_handler_t) (struct snd_seq_event * ev, struct snd_trident_port * p, struct snd_trident_voice * v); - -static trident_sample_event_handler_t *trident_sample_event_handlers[9] = -{ - event_sample, - event_cluster, - event_start, - event_stop, - event_freq, - event_volume, - event_loop, - event_position, - event_private1 -}; - -static void snd_trident_sample_event(struct snd_seq_event * ev, struct snd_trident_port * p) -{ - int idx, voice; - struct snd_trident *trident = p->trident; - struct snd_trident_voice *v; - unsigned long flags; - - idx = ev->type - SNDRV_SEQ_EVENT_SAMPLE; - if (idx < 0 || idx > 8) - return; - for (voice = 0; voice < 64; voice++) { - v = &trident->synth.voices[voice]; - if (v->use && v->client == ev->source.client && - v->port == ev->source.port && - v->index == ev->data.sample.channel) { - spin_lock_irqsave(&trident->event_lock, flags); - trident_sample_event_handlers[idx] (ev, p, v); - spin_unlock_irqrestore(&trident->event_lock, flags); - return; - } - } -} - -/* - - */ - -static void snd_trident_synth_free_voices(struct snd_trident * trident, int client, int port) -{ - int idx; - struct snd_trident_voice *voice; - - for (idx = 0; idx < 32; idx++) { - voice = &trident->synth.voices[idx]; - if (voice->use && voice->client == client && voice->port == port) - snd_trident_free_voice(trident, voice); - } -} - -static int snd_trident_synth_use(void *private_data, struct snd_seq_port_subscribe * info) -{ - struct snd_trident_port *port = private_data; - struct snd_trident *trident = port->trident; - struct snd_trident_voice *voice; - unsigned int idx; - unsigned long flags; - - if (info->voices > 32) - return -EINVAL; - spin_lock_irqsave(&trident->reg_lock, flags); - for (idx = 0; idx < info->voices; idx++) { - voice = snd_trident_alloc_voice(trident, SNDRV_TRIDENT_VOICE_TYPE_SYNTH, info->sender.client, info->sender.port); - if (voice == NULL) { - snd_trident_synth_free_voices(trident, info->sender.client, info->sender.port); - spin_unlock_irqrestore(&trident->reg_lock, flags); - return -EBUSY; - } - voice->index = idx; - voice->Vol = 0x3ff; - voice->EC = 0x0fff; - } -#if 0 - for (idx = 0; idx < info->midi_voices; idx++) { - port->midi_has_voices = 1; - voice = snd_trident_alloc_voice(trident, SNDRV_TRIDENT_VOICE_TYPE_MIDI, info->sender.client, info->sender.port); - if (voice == NULL) { - snd_trident_synth_free_voices(trident, info->sender.client, info->sender.port); - spin_unlock_irqrestore(&trident->reg_lock, flags); - return -EBUSY; - } - voice->Vol = 0x3ff; - voice->EC = 0x0fff; - } -#endif - spin_unlock_irqrestore(&trident->reg_lock, flags); - return 0; -} - -static int snd_trident_synth_unuse(void *private_data, struct snd_seq_port_subscribe * info) -{ - struct snd_trident_port *port = private_data; - struct snd_trident *trident = port->trident; - unsigned long flags; - - spin_lock_irqsave(&trident->reg_lock, flags); - snd_trident_synth_free_voices(trident, info->sender.client, info->sender.port); - spin_unlock_irqrestore(&trident->reg_lock, flags); - return 0; -} - -/* - - */ - -static void snd_trident_synth_free_private_instruments(struct snd_trident_port * p, int client) -{ - struct snd_seq_instr_header ifree; - - memset(&ifree, 0, sizeof(ifree)); - ifree.cmd = SNDRV_SEQ_INSTR_FREE_CMD_PRIVATE; - snd_seq_instr_list_free_cond(p->trident->synth.ilist, &ifree, client, 0); -} - -static int snd_trident_synth_event_input(struct snd_seq_event * ev, int direct, void *private_data, int atomic, int hop) -{ - struct snd_trident_port *p = (struct snd_trident_port *) private_data; - - if (p == NULL) - return -EINVAL; - if (ev->type >= SNDRV_SEQ_EVENT_SAMPLE && - ev->type <= SNDRV_SEQ_EVENT_SAMPLE_PRIVATE1) { - snd_trident_sample_event(ev, p); - return 0; - } - if (ev->source.client == SNDRV_SEQ_CLIENT_SYSTEM && - ev->source.port == SNDRV_SEQ_PORT_SYSTEM_ANNOUNCE) { - if (ev->type == SNDRV_SEQ_EVENT_CLIENT_EXIT) { - snd_trident_synth_free_private_instruments(p, ev->data.addr.client); - return 0; - } - } - if (direct) { - if (ev->type >= SNDRV_SEQ_EVENT_INSTR_BEGIN) { - snd_seq_instr_event(&p->trident->synth.simple_ops.kops, - p->trident->synth.ilist, ev, - p->trident->synth.seq_client, atomic, hop); - return 0; - } - } - return 0; -} - -static void snd_trident_synth_instr_notify(void *private_data, - struct snd_seq_kinstr * instr, - int what) -{ - int idx; - struct snd_trident *trident = private_data; - struct snd_trident_voice *pvoice; - unsigned long flags; - - spin_lock_irqsave(&trident->event_lock, flags); - for (idx = 0; idx < 64; idx++) { - pvoice = &trident->synth.voices[idx]; - if (pvoice->use && !memcmp(&pvoice->instr, &instr->instr, sizeof(pvoice->instr))) { - if (pvoice->sample_ops && pvoice->sample_ops->sample_stop) { - pvoice->sample_ops->sample_stop(trident, pvoice, SAMPLE_STOP_IMMEDIATELY); - } else { - snd_trident_stop_voice(trident, pvoice->number); - pvoice->flags &= ~SNDRV_TRIDENT_VFLG_RUNNING; - } - } - } - spin_unlock_irqrestore(&trident->event_lock, flags); -} - -/* - - */ - -static void snd_trident_synth_free_port(void *private_data) -{ - struct snd_trident_port *p = (struct snd_trident_port *) private_data; - - if (p) - snd_midi_channel_free_set(p->chset); -} - -static int snd_trident_synth_create_port(struct snd_trident * trident, int idx) -{ - struct snd_trident_port *p; - struct snd_seq_port_callback callbacks; - char name[32]; - char *str; - int result; - - p = &trident->synth.seq_ports[idx]; - p->chset = snd_midi_channel_alloc_set(16); - if (p->chset == NULL) - return -ENOMEM; - p->chset->private_data = p; - p->trident = trident; - p->client = trident->synth.seq_client; - - memset(&callbacks, 0, sizeof(callbacks)); - callbacks.owner = THIS_MODULE; - callbacks.use = snd_trident_synth_use; - callbacks.unuse = snd_trident_synth_unuse; - callbacks.event_input = snd_trident_synth_event_input; - callbacks.private_free = snd_trident_synth_free_port; - callbacks.private_data = p; - - str = "???"; - switch (trident->device) { - case TRIDENT_DEVICE_ID_DX: str = "Trident 4DWave-DX"; break; - case TRIDENT_DEVICE_ID_NX: str = "Trident 4DWave-NX"; break; - case TRIDENT_DEVICE_ID_SI7018: str = "SiS 7018"; break; - } - sprintf(name, "%s port %i", str, idx); - p->chset->port = snd_seq_event_port_attach(trident->synth.seq_client, - &callbacks, - SNDRV_SEQ_PORT_CAP_WRITE | SNDRV_SEQ_PORT_CAP_SUBS_WRITE, - SNDRV_SEQ_PORT_TYPE_DIRECT_SAMPLE | - SNDRV_SEQ_PORT_TYPE_SYNTH | - SNDRV_SEQ_PORT_TYPE_HARDWARE | - SNDRV_SEQ_PORT_TYPE_SYNTHESIZER, - 16, 0, - name); - if (p->chset->port < 0) { - result = p->chset->port; - snd_trident_synth_free_port(p); - return result; - } - p->port = p->chset->port; - return 0; -} - -/* - - */ - -static int snd_trident_synth_new_device(struct snd_seq_device *dev) -{ - struct snd_trident *trident; - int client, i; - struct snd_seq_port_subscribe sub; - struct snd_simple_ops *simpleops; - char *str; - - trident = *(struct snd_trident **)SNDRV_SEQ_DEVICE_ARGPTR(dev); - if (trident == NULL) - return -EINVAL; - - trident->synth.seq_client = -1; - - /* allocate new client */ - str = "???"; - switch (trident->device) { - case TRIDENT_DEVICE_ID_DX: str = "Trident 4DWave-DX"; break; - case TRIDENT_DEVICE_ID_NX: str = "Trident 4DWave-NX"; break; - case TRIDENT_DEVICE_ID_SI7018: str = "SiS 7018"; break; - } - client = trident->synth.seq_client = - snd_seq_create_kernel_client(trident->card, 1, str); - if (client < 0) - return client; - - for (i = 0; i < 4; i++) - snd_trident_synth_create_port(trident, i); - - trident->synth.ilist = snd_seq_instr_list_new(); - if (trident->synth.ilist == NULL) { - snd_seq_delete_kernel_client(client); - trident->synth.seq_client = -1; - return -ENOMEM; - } - trident->synth.ilist->flags = SNDRV_SEQ_INSTR_FLG_DIRECT; - - simpleops = &trident->synth.simple_ops; - snd_seq_simple_init(simpleops, trident, NULL); - simpleops->put_sample = snd_trident_simple_put_sample; - simpleops->get_sample = snd_trident_simple_get_sample; - simpleops->remove_sample = snd_trident_simple_remove_sample; - simpleops->notify = snd_trident_synth_instr_notify; - - memset(&sub, 0, sizeof(sub)); - sub.sender.client = SNDRV_SEQ_CLIENT_SYSTEM; - sub.sender.port = SNDRV_SEQ_PORT_SYSTEM_ANNOUNCE; - sub.dest.client = client; - sub.dest.port = 0; - snd_seq_kernel_client_ctl(client, SNDRV_SEQ_IOCTL_SUBSCRIBE_PORT, &sub); - - return 0; -} - -static int snd_trident_synth_delete_device(struct snd_seq_device *dev) -{ - struct snd_trident *trident; - - trident = *(struct snd_trident **)SNDRV_SEQ_DEVICE_ARGPTR(dev); - if (trident == NULL) - return -EINVAL; - - if (trident->synth.seq_client >= 0) { - snd_seq_delete_kernel_client(trident->synth.seq_client); - trident->synth.seq_client = -1; - } - if (trident->synth.ilist) - snd_seq_instr_list_free(&trident->synth.ilist); - return 0; -} - -static int __init alsa_trident_synth_init(void) -{ - static struct snd_seq_dev_ops ops = - { - snd_trident_synth_new_device, - snd_trident_synth_delete_device - }; - - return snd_seq_device_register_driver(SNDRV_SEQ_DEV_ID_TRIDENT, &ops, - sizeof(struct snd_trident *)); -} - -static void __exit alsa_trident_synth_exit(void) -{ - snd_seq_device_unregister_driver(SNDRV_SEQ_DEV_ID_TRIDENT); -} - -module_init(alsa_trident_synth_init) -module_exit(alsa_trident_synth_exit) |