11da177e4SLinus Torvalds /* 21da177e4SLinus Torvalds * Copyright (c) by Jaroslav Kysela <perex@suse.cz> 31da177e4SLinus Torvalds * 41da177e4SLinus Torvalds * 51da177e4SLinus Torvalds * This program is free software; you can redistribute it and/or modify 61da177e4SLinus Torvalds * it under the terms of the GNU General Public License as published by 71da177e4SLinus Torvalds * the Free Software Foundation; either version 2 of the License, or 81da177e4SLinus Torvalds * (at your option) any later version. 91da177e4SLinus Torvalds * 101da177e4SLinus Torvalds * This program is distributed in the hope that it will be useful, 111da177e4SLinus Torvalds * but WITHOUT ANY WARRANTY; without even the implied warranty of 121da177e4SLinus Torvalds * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 131da177e4SLinus Torvalds * GNU General Public License for more details. 141da177e4SLinus Torvalds * 151da177e4SLinus Torvalds * You should have received a copy of the GNU General Public License 161da177e4SLinus Torvalds * along with this program; if not, write to the Free Software 171da177e4SLinus Torvalds * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA 181da177e4SLinus Torvalds * 191da177e4SLinus Torvalds */ 201da177e4SLinus Torvalds 211da177e4SLinus Torvalds #include <sound/driver.h> 221da177e4SLinus Torvalds #include <linux/delay.h> 231da177e4SLinus Torvalds #include <linux/interrupt.h> 241da177e4SLinus Torvalds #include <linux/time.h> 251da177e4SLinus Torvalds #include <sound/core.h> 261da177e4SLinus Torvalds #include <sound/gus.h> 271da177e4SLinus Torvalds 281da177e4SLinus Torvalds extern void snd_gf1_timers_init(snd_gus_card_t * gus); 291da177e4SLinus Torvalds extern void snd_gf1_timers_done(snd_gus_card_t * gus); 301da177e4SLinus Torvalds extern int snd_gf1_synth_init(snd_gus_card_t * gus); 311da177e4SLinus Torvalds extern void snd_gf1_synth_done(snd_gus_card_t * gus); 321da177e4SLinus Torvalds 331da177e4SLinus Torvalds /* 341da177e4SLinus Torvalds * ok.. default interrupt handlers... 351da177e4SLinus Torvalds */ 361da177e4SLinus Torvalds 371da177e4SLinus Torvalds static void snd_gf1_default_interrupt_handler_midi_out(snd_gus_card_t * gus) 381da177e4SLinus Torvalds { 391da177e4SLinus Torvalds snd_gf1_uart_cmd(gus, gus->gf1.uart_cmd &= ~0x20); 401da177e4SLinus Torvalds } 411da177e4SLinus Torvalds 421da177e4SLinus Torvalds static void snd_gf1_default_interrupt_handler_midi_in(snd_gus_card_t * gus) 431da177e4SLinus Torvalds { 441da177e4SLinus Torvalds snd_gf1_uart_cmd(gus, gus->gf1.uart_cmd &= ~0x80); 451da177e4SLinus Torvalds } 461da177e4SLinus Torvalds 471da177e4SLinus Torvalds static void snd_gf1_default_interrupt_handler_timer1(snd_gus_card_t * gus) 481da177e4SLinus Torvalds { 491da177e4SLinus Torvalds snd_gf1_i_write8(gus, SNDRV_GF1_GB_SOUND_BLASTER_CONTROL, gus->gf1.timer_enabled &= ~4); 501da177e4SLinus Torvalds } 511da177e4SLinus Torvalds 521da177e4SLinus Torvalds static void snd_gf1_default_interrupt_handler_timer2(snd_gus_card_t * gus) 531da177e4SLinus Torvalds { 541da177e4SLinus Torvalds snd_gf1_i_write8(gus, SNDRV_GF1_GB_SOUND_BLASTER_CONTROL, gus->gf1.timer_enabled &= ~8); 551da177e4SLinus Torvalds } 561da177e4SLinus Torvalds 571da177e4SLinus Torvalds static void snd_gf1_default_interrupt_handler_wave_and_volume(snd_gus_card_t * gus, snd_gus_voice_t * voice) 581da177e4SLinus Torvalds { 591da177e4SLinus Torvalds snd_gf1_i_ctrl_stop(gus, 0x00); 601da177e4SLinus Torvalds snd_gf1_i_ctrl_stop(gus, 0x0d); 611da177e4SLinus Torvalds } 621da177e4SLinus Torvalds 631da177e4SLinus Torvalds static void snd_gf1_default_interrupt_handler_dma_write(snd_gus_card_t * gus) 641da177e4SLinus Torvalds { 651da177e4SLinus Torvalds snd_gf1_i_write8(gus, 0x41, 0x00); 661da177e4SLinus Torvalds } 671da177e4SLinus Torvalds 681da177e4SLinus Torvalds static void snd_gf1_default_interrupt_handler_dma_read(snd_gus_card_t * gus) 691da177e4SLinus Torvalds { 701da177e4SLinus Torvalds snd_gf1_i_write8(gus, 0x49, 0x00); 711da177e4SLinus Torvalds } 721da177e4SLinus Torvalds 731da177e4SLinus Torvalds void snd_gf1_set_default_handlers(snd_gus_card_t * gus, unsigned int what) 741da177e4SLinus Torvalds { 751da177e4SLinus Torvalds if (what & SNDRV_GF1_HANDLER_MIDI_OUT) 761da177e4SLinus Torvalds gus->gf1.interrupt_handler_midi_out = snd_gf1_default_interrupt_handler_midi_out; 771da177e4SLinus Torvalds if (what & SNDRV_GF1_HANDLER_MIDI_IN) 781da177e4SLinus Torvalds gus->gf1.interrupt_handler_midi_in = snd_gf1_default_interrupt_handler_midi_in; 791da177e4SLinus Torvalds if (what & SNDRV_GF1_HANDLER_TIMER1) 801da177e4SLinus Torvalds gus->gf1.interrupt_handler_timer1 = snd_gf1_default_interrupt_handler_timer1; 811da177e4SLinus Torvalds if (what & SNDRV_GF1_HANDLER_TIMER2) 821da177e4SLinus Torvalds gus->gf1.interrupt_handler_timer2 = snd_gf1_default_interrupt_handler_timer2; 831da177e4SLinus Torvalds if (what & SNDRV_GF1_HANDLER_VOICE) { 841da177e4SLinus Torvalds snd_gus_voice_t *voice; 851da177e4SLinus Torvalds 861da177e4SLinus Torvalds voice = &gus->gf1.voices[what & 0xffff]; 871da177e4SLinus Torvalds voice->handler_wave = 881da177e4SLinus Torvalds voice->handler_volume = snd_gf1_default_interrupt_handler_wave_and_volume; 891da177e4SLinus Torvalds voice->handler_effect = NULL; 901da177e4SLinus Torvalds voice->volume_change = NULL; 911da177e4SLinus Torvalds } 921da177e4SLinus Torvalds if (what & SNDRV_GF1_HANDLER_DMA_WRITE) 931da177e4SLinus Torvalds gus->gf1.interrupt_handler_dma_write = snd_gf1_default_interrupt_handler_dma_write; 941da177e4SLinus Torvalds if (what & SNDRV_GF1_HANDLER_DMA_READ) 951da177e4SLinus Torvalds gus->gf1.interrupt_handler_dma_read = snd_gf1_default_interrupt_handler_dma_read; 961da177e4SLinus Torvalds } 971da177e4SLinus Torvalds 981da177e4SLinus Torvalds /* 991da177e4SLinus Torvalds 1001da177e4SLinus Torvalds */ 1011da177e4SLinus Torvalds 1021da177e4SLinus Torvalds static void snd_gf1_clear_regs(snd_gus_card_t * gus) 1031da177e4SLinus Torvalds { 1041da177e4SLinus Torvalds unsigned long flags; 1051da177e4SLinus Torvalds 1061da177e4SLinus Torvalds spin_lock_irqsave(&gus->reg_lock, flags); 1071da177e4SLinus Torvalds inb(GUSP(gus, IRQSTAT)); 1081da177e4SLinus Torvalds snd_gf1_write8(gus, 0x41, 0); /* DRAM DMA Control Register */ 1091da177e4SLinus Torvalds snd_gf1_write8(gus, 0x45, 0); /* Timer Control */ 1101da177e4SLinus Torvalds snd_gf1_write8(gus, 0x49, 0); /* Sampling Control Register */ 1111da177e4SLinus Torvalds spin_unlock_irqrestore(&gus->reg_lock, flags); 1121da177e4SLinus Torvalds } 1131da177e4SLinus Torvalds 1141da177e4SLinus Torvalds static void snd_gf1_look_regs(snd_gus_card_t * gus) 1151da177e4SLinus Torvalds { 1161da177e4SLinus Torvalds unsigned long flags; 1171da177e4SLinus Torvalds 1181da177e4SLinus Torvalds spin_lock_irqsave(&gus->reg_lock, flags); 1191da177e4SLinus Torvalds snd_gf1_look8(gus, 0x41); /* DRAM DMA Control Register */ 1201da177e4SLinus Torvalds snd_gf1_look8(gus, 0x49); /* Sampling Control Register */ 1211da177e4SLinus Torvalds inb(GUSP(gus, IRQSTAT)); 1221da177e4SLinus Torvalds snd_gf1_read8(gus, 0x0f); /* IRQ Source Register */ 1231da177e4SLinus Torvalds spin_unlock_irqrestore(&gus->reg_lock, flags); 1241da177e4SLinus Torvalds } 1251da177e4SLinus Torvalds 1261da177e4SLinus Torvalds /* 1271da177e4SLinus Torvalds * put selected GF1 voices to initial stage... 1281da177e4SLinus Torvalds */ 1291da177e4SLinus Torvalds 1301da177e4SLinus Torvalds void snd_gf1_smart_stop_voice(snd_gus_card_t * gus, unsigned short voice) 1311da177e4SLinus Torvalds { 1321da177e4SLinus Torvalds unsigned long flags; 1331da177e4SLinus Torvalds 1341da177e4SLinus Torvalds spin_lock_irqsave(&gus->reg_lock, flags); 1351da177e4SLinus Torvalds snd_gf1_select_voice(gus, voice); 1361da177e4SLinus Torvalds #if 0 1371da177e4SLinus Torvalds printk(" -%i- smart stop voice - volume = 0x%x\n", voice, snd_gf1_i_read16(gus, SNDRV_GF1_VW_VOLUME)); 1381da177e4SLinus Torvalds #endif 1391da177e4SLinus Torvalds snd_gf1_ctrl_stop(gus, SNDRV_GF1_VB_ADDRESS_CONTROL); 1401da177e4SLinus Torvalds snd_gf1_ctrl_stop(gus, SNDRV_GF1_VB_VOLUME_CONTROL); 1411da177e4SLinus Torvalds spin_unlock_irqrestore(&gus->reg_lock, flags); 1421da177e4SLinus Torvalds } 1431da177e4SLinus Torvalds 1441da177e4SLinus Torvalds void snd_gf1_stop_voice(snd_gus_card_t * gus, unsigned short voice) 1451da177e4SLinus Torvalds { 1461da177e4SLinus Torvalds unsigned long flags; 1471da177e4SLinus Torvalds 1481da177e4SLinus Torvalds spin_lock_irqsave(&gus->reg_lock, flags); 1491da177e4SLinus Torvalds snd_gf1_select_voice(gus, voice); 1501da177e4SLinus Torvalds #if 0 1511da177e4SLinus Torvalds printk(" -%i- stop voice - volume = 0x%x\n", voice, snd_gf1_i_read16(gus, SNDRV_GF1_VW_VOLUME)); 1521da177e4SLinus Torvalds #endif 1531da177e4SLinus Torvalds snd_gf1_ctrl_stop(gus, SNDRV_GF1_VB_ADDRESS_CONTROL); 1541da177e4SLinus Torvalds snd_gf1_ctrl_stop(gus, SNDRV_GF1_VB_VOLUME_CONTROL); 1551da177e4SLinus Torvalds if (gus->gf1.enh_mode) 1561da177e4SLinus Torvalds snd_gf1_write8(gus, SNDRV_GF1_VB_ACCUMULATOR, 0); 1571da177e4SLinus Torvalds spin_unlock_irqrestore(&gus->reg_lock, flags); 1581da177e4SLinus Torvalds #if 0 1591da177e4SLinus Torvalds snd_gf1_lfo_shutdown(gus, voice, ULTRA_LFO_VIBRATO); 1601da177e4SLinus Torvalds snd_gf1_lfo_shutdown(gus, voice, ULTRA_LFO_TREMOLO); 1611da177e4SLinus Torvalds #endif 1621da177e4SLinus Torvalds } 1631da177e4SLinus Torvalds 1641da177e4SLinus Torvalds void snd_gf1_clear_voices(snd_gus_card_t * gus, unsigned short v_min, unsigned short v_max) 1651da177e4SLinus Torvalds { 1661da177e4SLinus Torvalds unsigned long flags; 1671da177e4SLinus Torvalds unsigned int daddr; 1681da177e4SLinus Torvalds unsigned short i, w_16; 1691da177e4SLinus Torvalds 1701da177e4SLinus Torvalds daddr = gus->gf1.default_voice_address << 4; 1711da177e4SLinus Torvalds for (i = v_min; i <= v_max; i++) { 1721da177e4SLinus Torvalds #if 0 1731da177e4SLinus Torvalds if (gus->gf1.syn_voices) 1741da177e4SLinus Torvalds gus->gf1.syn_voices[i].flags = ~VFLG_DYNAMIC; 1751da177e4SLinus Torvalds #endif 1761da177e4SLinus Torvalds spin_lock_irqsave(&gus->reg_lock, flags); 1771da177e4SLinus Torvalds snd_gf1_select_voice(gus, i); 1781da177e4SLinus Torvalds snd_gf1_ctrl_stop(gus, SNDRV_GF1_VB_ADDRESS_CONTROL); /* Voice Control Register = voice stop */ 1791da177e4SLinus Torvalds snd_gf1_ctrl_stop(gus, SNDRV_GF1_VB_VOLUME_CONTROL); /* Volume Ramp Control Register = ramp off */ 1801da177e4SLinus Torvalds if (gus->gf1.enh_mode) 1811da177e4SLinus Torvalds snd_gf1_write8(gus, SNDRV_GF1_VB_MODE, gus->gf1.memory ? 0x02 : 0x82); /* Deactivate voice */ 1821da177e4SLinus Torvalds w_16 = snd_gf1_read8(gus, SNDRV_GF1_VB_ADDRESS_CONTROL) & 0x04; 1831da177e4SLinus Torvalds snd_gf1_write16(gus, SNDRV_GF1_VW_FREQUENCY, 0x400); 1841da177e4SLinus Torvalds snd_gf1_write_addr(gus, SNDRV_GF1_VA_START, daddr, w_16); 1851da177e4SLinus Torvalds snd_gf1_write_addr(gus, SNDRV_GF1_VA_END, daddr, w_16); 1861da177e4SLinus Torvalds snd_gf1_write8(gus, SNDRV_GF1_VB_VOLUME_START, 0); 1871da177e4SLinus Torvalds snd_gf1_write8(gus, SNDRV_GF1_VB_VOLUME_END, 0); 1881da177e4SLinus Torvalds snd_gf1_write8(gus, SNDRV_GF1_VB_VOLUME_RATE, 0); 1891da177e4SLinus Torvalds snd_gf1_write16(gus, SNDRV_GF1_VW_VOLUME, 0); 1901da177e4SLinus Torvalds snd_gf1_write_addr(gus, SNDRV_GF1_VA_CURRENT, daddr, w_16); 1911da177e4SLinus Torvalds snd_gf1_write8(gus, SNDRV_GF1_VB_PAN, 7); 1921da177e4SLinus Torvalds if (gus->gf1.enh_mode) { 1931da177e4SLinus Torvalds snd_gf1_write8(gus, SNDRV_GF1_VB_ACCUMULATOR, 0); 1941da177e4SLinus Torvalds snd_gf1_write16(gus, SNDRV_GF1_VW_EFFECT_VOLUME, 0); 1951da177e4SLinus Torvalds snd_gf1_write16(gus, SNDRV_GF1_VW_EFFECT_VOLUME_FINAL, 0); 1961da177e4SLinus Torvalds } 1971da177e4SLinus Torvalds spin_unlock_irqrestore(&gus->reg_lock, flags); 1981da177e4SLinus Torvalds #if 0 1991da177e4SLinus Torvalds snd_gf1_lfo_shutdown(gus, i, ULTRA_LFO_VIBRATO); 2001da177e4SLinus Torvalds snd_gf1_lfo_shutdown(gus, i, ULTRA_LFO_TREMOLO); 2011da177e4SLinus Torvalds #endif 2021da177e4SLinus Torvalds } 2031da177e4SLinus Torvalds } 2041da177e4SLinus Torvalds 2051da177e4SLinus Torvalds void snd_gf1_stop_voices(snd_gus_card_t * gus, unsigned short v_min, unsigned short v_max) 2061da177e4SLinus Torvalds { 2071da177e4SLinus Torvalds unsigned long flags; 2081da177e4SLinus Torvalds short i, ramp_ok; 2091da177e4SLinus Torvalds unsigned short ramp_end; 2101da177e4SLinus Torvalds 2111da177e4SLinus Torvalds if (!in_interrupt()) { /* this can't be done in interrupt */ 2121da177e4SLinus Torvalds for (i = v_min, ramp_ok = 0; i <= v_max; i++) { 2131da177e4SLinus Torvalds spin_lock_irqsave(&gus->reg_lock, flags); 2141da177e4SLinus Torvalds snd_gf1_select_voice(gus, i); 2151da177e4SLinus Torvalds ramp_end = snd_gf1_read16(gus, 9) >> 8; 2161da177e4SLinus Torvalds if (ramp_end > SNDRV_GF1_MIN_OFFSET) { 2171da177e4SLinus Torvalds ramp_ok++; 2181da177e4SLinus Torvalds snd_gf1_write8(gus, SNDRV_GF1_VB_VOLUME_RATE, 20); /* ramp rate */ 2191da177e4SLinus Torvalds snd_gf1_write8(gus, SNDRV_GF1_VB_VOLUME_START, SNDRV_GF1_MIN_OFFSET); /* ramp start */ 2201da177e4SLinus Torvalds snd_gf1_write8(gus, SNDRV_GF1_VB_VOLUME_END, ramp_end); /* ramp end */ 2211da177e4SLinus Torvalds snd_gf1_write8(gus, SNDRV_GF1_VB_VOLUME_CONTROL, 0x40); /* ramp down */ 2221da177e4SLinus Torvalds if (gus->gf1.enh_mode) { 2231da177e4SLinus Torvalds snd_gf1_delay(gus); 2241da177e4SLinus Torvalds snd_gf1_write8(gus, SNDRV_GF1_VB_VOLUME_CONTROL, 0x40); 2251da177e4SLinus Torvalds } 2261da177e4SLinus Torvalds } 2271da177e4SLinus Torvalds spin_unlock_irqrestore(&gus->reg_lock, flags); 2281da177e4SLinus Torvalds } 2291da177e4SLinus Torvalds msleep_interruptible(50); 2301da177e4SLinus Torvalds } 2311da177e4SLinus Torvalds snd_gf1_clear_voices(gus, v_min, v_max); 2321da177e4SLinus Torvalds } 2331da177e4SLinus Torvalds 2341da177e4SLinus Torvalds static void snd_gf1_alloc_voice_use(snd_gus_card_t * gus, 2351da177e4SLinus Torvalds snd_gus_voice_t * pvoice, 2361da177e4SLinus Torvalds int type, int client, int port) 2371da177e4SLinus Torvalds { 2381da177e4SLinus Torvalds pvoice->use = 1; 2391da177e4SLinus Torvalds switch (type) { 2401da177e4SLinus Torvalds case SNDRV_GF1_VOICE_TYPE_PCM: 2411da177e4SLinus Torvalds gus->gf1.pcm_alloc_voices++; 2421da177e4SLinus Torvalds pvoice->pcm = 1; 2431da177e4SLinus Torvalds break; 2441da177e4SLinus Torvalds case SNDRV_GF1_VOICE_TYPE_SYNTH: 2451da177e4SLinus Torvalds pvoice->synth = 1; 2461da177e4SLinus Torvalds pvoice->client = client; 2471da177e4SLinus Torvalds pvoice->port = port; 2481da177e4SLinus Torvalds break; 2491da177e4SLinus Torvalds case SNDRV_GF1_VOICE_TYPE_MIDI: 2501da177e4SLinus Torvalds pvoice->midi = 1; 2511da177e4SLinus Torvalds pvoice->client = client; 2521da177e4SLinus Torvalds pvoice->port = port; 2531da177e4SLinus Torvalds break; 2541da177e4SLinus Torvalds } 2551da177e4SLinus Torvalds } 2561da177e4SLinus Torvalds 2571da177e4SLinus Torvalds snd_gus_voice_t *snd_gf1_alloc_voice(snd_gus_card_t * gus, int type, int client, int port) 2581da177e4SLinus Torvalds { 2591da177e4SLinus Torvalds snd_gus_voice_t *pvoice; 2601da177e4SLinus Torvalds unsigned long flags; 2611da177e4SLinus Torvalds int idx; 2621da177e4SLinus Torvalds 2631da177e4SLinus Torvalds spin_lock_irqsave(&gus->voice_alloc, flags); 2641da177e4SLinus Torvalds if (type == SNDRV_GF1_VOICE_TYPE_PCM) { 2651da177e4SLinus Torvalds if (gus->gf1.pcm_alloc_voices >= gus->gf1.pcm_channels) { 2661da177e4SLinus Torvalds spin_unlock_irqrestore(&gus->voice_alloc, flags); 2671da177e4SLinus Torvalds return NULL; 2681da177e4SLinus Torvalds } 2691da177e4SLinus Torvalds } 2701da177e4SLinus Torvalds for (idx = 0; idx < 32; idx++) { 2711da177e4SLinus Torvalds pvoice = &gus->gf1.voices[idx]; 2721da177e4SLinus Torvalds if (!pvoice->use) { 2731da177e4SLinus Torvalds snd_gf1_alloc_voice_use(gus, pvoice, type, client, port); 2741da177e4SLinus Torvalds spin_unlock_irqrestore(&gus->voice_alloc, flags); 2751da177e4SLinus Torvalds return pvoice; 2761da177e4SLinus Torvalds } 2771da177e4SLinus Torvalds } 2781da177e4SLinus Torvalds for (idx = 0; idx < 32; idx++) { 2791da177e4SLinus Torvalds pvoice = &gus->gf1.voices[idx]; 2801da177e4SLinus Torvalds if (pvoice->midi && !pvoice->client) { 2811da177e4SLinus Torvalds snd_gf1_clear_voices(gus, pvoice->number, pvoice->number); 2821da177e4SLinus Torvalds snd_gf1_alloc_voice_use(gus, pvoice, type, client, port); 2831da177e4SLinus Torvalds spin_unlock_irqrestore(&gus->voice_alloc, flags); 2841da177e4SLinus Torvalds return pvoice; 2851da177e4SLinus Torvalds } 2861da177e4SLinus Torvalds } 2871da177e4SLinus Torvalds spin_unlock_irqrestore(&gus->voice_alloc, flags); 2881da177e4SLinus Torvalds return NULL; 2891da177e4SLinus Torvalds } 2901da177e4SLinus Torvalds 2911da177e4SLinus Torvalds void snd_gf1_free_voice(snd_gus_card_t * gus, snd_gus_voice_t *voice) 2921da177e4SLinus Torvalds { 2931da177e4SLinus Torvalds unsigned long flags; 2941da177e4SLinus Torvalds void (*private_free)(snd_gus_voice_t *voice); 2951da177e4SLinus Torvalds void *private_data; 2961da177e4SLinus Torvalds 2971da177e4SLinus Torvalds if (voice == NULL || !voice->use) 2981da177e4SLinus Torvalds return; 2991da177e4SLinus Torvalds snd_gf1_set_default_handlers(gus, SNDRV_GF1_HANDLER_VOICE | voice->number); 3001da177e4SLinus Torvalds snd_gf1_clear_voices(gus, voice->number, voice->number); 3011da177e4SLinus Torvalds spin_lock_irqsave(&gus->voice_alloc, flags); 3021da177e4SLinus Torvalds private_free = voice->private_free; 3031da177e4SLinus Torvalds private_data = voice->private_data; 3041da177e4SLinus Torvalds voice->private_free = NULL; 3051da177e4SLinus Torvalds voice->private_data = NULL; 3061da177e4SLinus Torvalds if (voice->pcm) 3071da177e4SLinus Torvalds gus->gf1.pcm_alloc_voices--; 3081da177e4SLinus Torvalds voice->use = voice->pcm = 0; 3091da177e4SLinus Torvalds voice->sample_ops = NULL; 3101da177e4SLinus Torvalds spin_unlock_irqrestore(&gus->voice_alloc, flags); 3111da177e4SLinus Torvalds if (private_free) 3121da177e4SLinus Torvalds private_free(voice); 3131da177e4SLinus Torvalds } 3141da177e4SLinus Torvalds 3151da177e4SLinus Torvalds /* 3161da177e4SLinus Torvalds * call this function only by start of driver 3171da177e4SLinus Torvalds */ 3181da177e4SLinus Torvalds 3191da177e4SLinus Torvalds int snd_gf1_start(snd_gus_card_t * gus) 3201da177e4SLinus Torvalds { 3211da177e4SLinus Torvalds unsigned long flags; 3221da177e4SLinus Torvalds unsigned int i; 3231da177e4SLinus Torvalds 3241da177e4SLinus Torvalds snd_gf1_i_write8(gus, SNDRV_GF1_GB_RESET, 0); /* reset GF1 */ 3251da177e4SLinus Torvalds udelay(160); 3261da177e4SLinus Torvalds snd_gf1_i_write8(gus, SNDRV_GF1_GB_RESET, 1); /* disable IRQ & DAC */ 3271da177e4SLinus Torvalds udelay(160); 3281da177e4SLinus Torvalds snd_gf1_i_write8(gus, SNDRV_GF1_GB_JOYSTICK_DAC_LEVEL, gus->joystick_dac); 3291da177e4SLinus Torvalds 3301da177e4SLinus Torvalds snd_gf1_set_default_handlers(gus, SNDRV_GF1_HANDLER_ALL); 3311da177e4SLinus Torvalds for (i = 0; i < 32; i++) { 3321da177e4SLinus Torvalds gus->gf1.voices[i].number = i; 3331da177e4SLinus Torvalds snd_gf1_set_default_handlers(gus, SNDRV_GF1_HANDLER_VOICE | i); 3341da177e4SLinus Torvalds } 3351da177e4SLinus Torvalds 3361da177e4SLinus Torvalds snd_gf1_uart_cmd(gus, 0x03); /* huh.. this cleanup took me some time... */ 3371da177e4SLinus Torvalds 3381da177e4SLinus Torvalds if (gus->gf1.enh_mode) { /* enhanced mode !!!! */ 3391da177e4SLinus Torvalds snd_gf1_i_write8(gus, SNDRV_GF1_GB_GLOBAL_MODE, snd_gf1_i_look8(gus, SNDRV_GF1_GB_GLOBAL_MODE) | 0x01); 3401da177e4SLinus Torvalds snd_gf1_i_write8(gus, SNDRV_GF1_GB_MEMORY_CONTROL, 0x01); 3411da177e4SLinus Torvalds } 3421da177e4SLinus Torvalds snd_gf1_clear_regs(gus); 3431da177e4SLinus Torvalds snd_gf1_select_active_voices(gus); 3441da177e4SLinus Torvalds snd_gf1_delay(gus); 3451da177e4SLinus Torvalds gus->gf1.default_voice_address = gus->gf1.memory > 0 ? 0 : 512 - 8; 3461da177e4SLinus Torvalds /* initialize LFOs & clear LFOs memory */ 3471da177e4SLinus Torvalds if (gus->gf1.enh_mode && gus->gf1.memory) { 3481da177e4SLinus Torvalds gus->gf1.hw_lfo = 1; 3491da177e4SLinus Torvalds gus->gf1.default_voice_address += 1024; 3501da177e4SLinus Torvalds } else { 3511da177e4SLinus Torvalds gus->gf1.sw_lfo = 1; 3521da177e4SLinus Torvalds } 3531da177e4SLinus Torvalds #if 0 3541da177e4SLinus Torvalds snd_gf1_lfo_init(gus); 3551da177e4SLinus Torvalds #endif 3561da177e4SLinus Torvalds if (gus->gf1.memory > 0) 3571da177e4SLinus Torvalds for (i = 0; i < 4; i++) 3581da177e4SLinus Torvalds snd_gf1_poke(gus, gus->gf1.default_voice_address + i, 0); 3591da177e4SLinus Torvalds snd_gf1_clear_regs(gus); 3601da177e4SLinus Torvalds snd_gf1_clear_voices(gus, 0, 31); 3611da177e4SLinus Torvalds snd_gf1_look_regs(gus); 3621da177e4SLinus Torvalds udelay(160); 3631da177e4SLinus Torvalds snd_gf1_i_write8(gus, SNDRV_GF1_GB_RESET, 7); /* Reset Register = IRQ enable, DAC enable */ 3641da177e4SLinus Torvalds udelay(160); 3651da177e4SLinus Torvalds snd_gf1_i_write8(gus, SNDRV_GF1_GB_RESET, 7); /* Reset Register = IRQ enable, DAC enable */ 3661da177e4SLinus Torvalds if (gus->gf1.enh_mode) { /* enhanced mode !!!! */ 3671da177e4SLinus Torvalds snd_gf1_i_write8(gus, SNDRV_GF1_GB_GLOBAL_MODE, snd_gf1_i_look8(gus, SNDRV_GF1_GB_GLOBAL_MODE) | 0x01); 3681da177e4SLinus Torvalds snd_gf1_i_write8(gus, SNDRV_GF1_GB_MEMORY_CONTROL, 0x01); 3691da177e4SLinus Torvalds } 3701da177e4SLinus Torvalds while ((snd_gf1_i_read8(gus, SNDRV_GF1_GB_VOICES_IRQ) & 0xc0) != 0xc0); 3711da177e4SLinus Torvalds 3721da177e4SLinus Torvalds spin_lock_irqsave(&gus->reg_lock, flags); 3731da177e4SLinus Torvalds outb(gus->gf1.active_voice = 0, GUSP(gus, GF1PAGE)); 3741da177e4SLinus Torvalds outb(gus->mix_cntrl_reg, GUSP(gus, MIXCNTRLREG)); 3751da177e4SLinus Torvalds spin_unlock_irqrestore(&gus->reg_lock, flags); 3761da177e4SLinus Torvalds 3771da177e4SLinus Torvalds snd_gf1_timers_init(gus); 3781da177e4SLinus Torvalds snd_gf1_look_regs(gus); 3791da177e4SLinus Torvalds snd_gf1_mem_init(gus); 3801da177e4SLinus Torvalds snd_gf1_mem_proc_init(gus); 3811da177e4SLinus Torvalds #ifdef CONFIG_SND_DEBUG 3821da177e4SLinus Torvalds snd_gus_irq_profile_init(gus); 3831da177e4SLinus Torvalds #endif 3841da177e4SLinus Torvalds 3851da177e4SLinus Torvalds #if 0 3861da177e4SLinus Torvalds if (gus->pnp_flag) { 3871da177e4SLinus Torvalds if (gus->chip.playback_fifo_size > 0) 3881da177e4SLinus Torvalds snd_gf1_i_write16(gus, SNDRV_GF1_GW_FIFO_RECORD_BASE_ADDR, gus->chip.playback_fifo_block->ptr >> 8); 3891da177e4SLinus Torvalds if (gus->chip.record_fifo_size > 0) 3901da177e4SLinus Torvalds snd_gf1_i_write16(gus, SNDRV_GF1_GW_FIFO_PLAY_BASE_ADDR, gus->chip.record_fifo_block->ptr >> 8); 3911da177e4SLinus Torvalds snd_gf1_i_write16(gus, SNDRV_GF1_GW_FIFO_SIZE, gus->chip.interwave_fifo_reg); 3921da177e4SLinus Torvalds } 3931da177e4SLinus Torvalds #endif 3941da177e4SLinus Torvalds 3951da177e4SLinus Torvalds return 0; 3961da177e4SLinus Torvalds } 3971da177e4SLinus Torvalds 3981da177e4SLinus Torvalds /* 3991da177e4SLinus Torvalds * call this function only by shutdown of driver 4001da177e4SLinus Torvalds */ 4011da177e4SLinus Torvalds 4021da177e4SLinus Torvalds int snd_gf1_stop(snd_gus_card_t * gus) 4031da177e4SLinus Torvalds { 4041da177e4SLinus Torvalds snd_gf1_i_write8(gus, SNDRV_GF1_GB_SOUND_BLASTER_CONTROL, 0); /* stop all timers */ 4051da177e4SLinus Torvalds snd_gf1_stop_voices(gus, 0, 31); /* stop all voices */ 4061da177e4SLinus Torvalds snd_gf1_i_write8(gus, SNDRV_GF1_GB_RESET, 1); /* disable IRQ & DAC */ 4071da177e4SLinus Torvalds snd_gf1_timers_done(gus); 4081da177e4SLinus Torvalds snd_gf1_mem_done(gus); 4091da177e4SLinus Torvalds #if 0 4101da177e4SLinus Torvalds snd_gf1_lfo_done(gus); 4111da177e4SLinus Torvalds #endif 4121da177e4SLinus Torvalds return 0; 4131da177e4SLinus Torvalds } 414