Lines Matching refs:gus
25 #include <sound/gus.h>
27 extern void snd_gf1_timers_init(struct snd_gus_card * gus);
28 extern void snd_gf1_timers_done(struct snd_gus_card * gus);
29 extern int snd_gf1_synth_init(struct snd_gus_card * gus);
30 extern void snd_gf1_synth_done(struct snd_gus_card * gus);
36 static void snd_gf1_default_interrupt_handler_midi_out(struct snd_gus_card * gus)
38 snd_gf1_uart_cmd(gus, gus->gf1.uart_cmd &= ~0x20);
41 static void snd_gf1_default_interrupt_handler_midi_in(struct snd_gus_card * gus)
43 snd_gf1_uart_cmd(gus, gus->gf1.uart_cmd &= ~0x80);
46 static void snd_gf1_default_interrupt_handler_timer1(struct snd_gus_card * gus)
48 snd_gf1_i_write8(gus, SNDRV_GF1_GB_SOUND_BLASTER_CONTROL, gus->gf1.timer_enabled &= ~4);
51 static void snd_gf1_default_interrupt_handler_timer2(struct snd_gus_card * gus)
53 snd_gf1_i_write8(gus, SNDRV_GF1_GB_SOUND_BLASTER_CONTROL, gus->gf1.timer_enabled &= ~8);
56 static void snd_gf1_default_interrupt_handler_wave_and_volume(struct snd_gus_card * gus, struct snd_gus_voice * voice)
58 snd_gf1_i_ctrl_stop(gus, 0x00);
59 snd_gf1_i_ctrl_stop(gus, 0x0d);
62 static void snd_gf1_default_interrupt_handler_dma_write(struct snd_gus_card * gus)
64 snd_gf1_i_write8(gus, 0x41, 0x00);
67 static void snd_gf1_default_interrupt_handler_dma_read(struct snd_gus_card * gus)
69 snd_gf1_i_write8(gus, 0x49, 0x00);
72 void snd_gf1_set_default_handlers(struct snd_gus_card * gus, unsigned int what)
75 gus->gf1.interrupt_handler_midi_out = snd_gf1_default_interrupt_handler_midi_out;
77 gus->gf1.interrupt_handler_midi_in = snd_gf1_default_interrupt_handler_midi_in;
79 gus->gf1.interrupt_handler_timer1 = snd_gf1_default_interrupt_handler_timer1;
81 gus->gf1.interrupt_handler_timer2 = snd_gf1_default_interrupt_handler_timer2;
85 voice = &gus->gf1.voices[what & 0xffff];
92 gus->gf1.interrupt_handler_dma_write = snd_gf1_default_interrupt_handler_dma_write;
94 gus->gf1.interrupt_handler_dma_read = snd_gf1_default_interrupt_handler_dma_read;
101 static void snd_gf1_clear_regs(struct snd_gus_card * gus)
105 spin_lock_irqsave(&gus->reg_lock, flags);
106 inb(GUSP(gus, IRQSTAT));
107 snd_gf1_write8(gus, 0x41, 0); /* DRAM DMA Control Register */
108 snd_gf1_write8(gus, 0x45, 0); /* Timer Control */
109 snd_gf1_write8(gus, 0x49, 0); /* Sampling Control Register */
110 spin_unlock_irqrestore(&gus->reg_lock, flags);
113 static void snd_gf1_look_regs(struct snd_gus_card * gus)
117 spin_lock_irqsave(&gus->reg_lock, flags);
118 snd_gf1_look8(gus, 0x41); /* DRAM DMA Control Register */
119 snd_gf1_look8(gus, 0x49); /* Sampling Control Register */
120 inb(GUSP(gus, IRQSTAT));
121 snd_gf1_read8(gus, 0x0f); /* IRQ Source Register */
122 spin_unlock_irqrestore(&gus->reg_lock, flags);
129 void snd_gf1_smart_stop_voice(struct snd_gus_card * gus, unsigned short voice)
133 spin_lock_irqsave(&gus->reg_lock, flags);
134 snd_gf1_select_voice(gus, voice);
135 snd_gf1_ctrl_stop(gus, SNDRV_GF1_VB_ADDRESS_CONTROL);
136 snd_gf1_ctrl_stop(gus, SNDRV_GF1_VB_VOLUME_CONTROL);
137 spin_unlock_irqrestore(&gus->reg_lock, flags);
140 void snd_gf1_stop_voice(struct snd_gus_card * gus, unsigned short voice)
144 spin_lock_irqsave(&gus->reg_lock, flags);
145 snd_gf1_select_voice(gus, voice);
146 snd_gf1_ctrl_stop(gus, SNDRV_GF1_VB_ADDRESS_CONTROL);
147 snd_gf1_ctrl_stop(gus, SNDRV_GF1_VB_VOLUME_CONTROL);
148 if (gus->gf1.enh_mode)
149 snd_gf1_write8(gus, SNDRV_GF1_VB_ACCUMULATOR, 0);
150 spin_unlock_irqrestore(&gus->reg_lock, flags);
153 static void snd_gf1_clear_voices(struct snd_gus_card * gus, unsigned short v_min,
160 daddr = gus->gf1.default_voice_address << 4;
162 spin_lock_irqsave(&gus->reg_lock, flags);
163 snd_gf1_select_voice(gus, i);
164 snd_gf1_ctrl_stop(gus, SNDRV_GF1_VB_ADDRESS_CONTROL); /* Voice Control Register = voice stop */
165 snd_gf1_ctrl_stop(gus, SNDRV_GF1_VB_VOLUME_CONTROL); /* Volume Ramp Control Register = ramp off */
166 if (gus->gf1.enh_mode)
167 snd_gf1_write8(gus, SNDRV_GF1_VB_MODE, gus->gf1.memory ? 0x02 : 0x82); /* Deactivate voice */
168 w_16 = snd_gf1_read8(gus, SNDRV_GF1_VB_ADDRESS_CONTROL) & 0x04;
169 snd_gf1_write16(gus, SNDRV_GF1_VW_FREQUENCY, 0x400);
170 snd_gf1_write_addr(gus, SNDRV_GF1_VA_START, daddr, w_16);
171 snd_gf1_write_addr(gus, SNDRV_GF1_VA_END, daddr, w_16);
172 snd_gf1_write8(gus, SNDRV_GF1_VB_VOLUME_START, 0);
173 snd_gf1_write8(gus, SNDRV_GF1_VB_VOLUME_END, 0);
174 snd_gf1_write8(gus, SNDRV_GF1_VB_VOLUME_RATE, 0);
175 snd_gf1_write16(gus, SNDRV_GF1_VW_VOLUME, 0);
176 snd_gf1_write_addr(gus, SNDRV_GF1_VA_CURRENT, daddr, w_16);
177 snd_gf1_write8(gus, SNDRV_GF1_VB_PAN, 7);
178 if (gus->gf1.enh_mode) {
179 snd_gf1_write8(gus, SNDRV_GF1_VB_ACCUMULATOR, 0);
180 snd_gf1_write16(gus, SNDRV_GF1_VW_EFFECT_VOLUME, 0);
181 snd_gf1_write16(gus, SNDRV_GF1_VW_EFFECT_VOLUME_FINAL, 0);
183 spin_unlock_irqrestore(&gus->reg_lock, flags);
187 void snd_gf1_stop_voices(struct snd_gus_card * gus, unsigned short v_min, unsigned short v_max)
195 spin_lock_irqsave(&gus->reg_lock, flags);
196 snd_gf1_select_voice(gus, i);
197 ramp_end = snd_gf1_read16(gus, 9) >> 8;
200 snd_gf1_write8(gus, SNDRV_GF1_VB_VOLUME_RATE, 20); /* ramp rate */
201 snd_gf1_write8(gus, SNDRV_GF1_VB_VOLUME_START, SNDRV_GF1_MIN_OFFSET); /* ramp start */
202 snd_gf1_write8(gus, SNDRV_GF1_VB_VOLUME_END, ramp_end); /* ramp end */
203 snd_gf1_write8(gus, SNDRV_GF1_VB_VOLUME_CONTROL, 0x40); /* ramp down */
204 if (gus->gf1.enh_mode) {
205 snd_gf1_delay(gus);
206 snd_gf1_write8(gus, SNDRV_GF1_VB_VOLUME_CONTROL, 0x40);
209 spin_unlock_irqrestore(&gus->reg_lock, flags);
213 snd_gf1_clear_voices(gus, v_min, v_max);
216 static void snd_gf1_alloc_voice_use(struct snd_gus_card * gus,
223 gus->gf1.pcm_alloc_voices++;
239 struct snd_gus_voice *snd_gf1_alloc_voice(struct snd_gus_card * gus, int type, int client, int port)
245 spin_lock_irqsave(&gus->voice_alloc, flags);
247 if (gus->gf1.pcm_alloc_voices >= gus->gf1.pcm_channels) {
248 spin_unlock_irqrestore(&gus->voice_alloc, flags);
253 pvoice = &gus->gf1.voices[idx];
255 snd_gf1_alloc_voice_use(gus, pvoice, type, client, port);
256 spin_unlock_irqrestore(&gus->voice_alloc, flags);
261 pvoice = &gus->gf1.voices[idx];
263 snd_gf1_clear_voices(gus, pvoice->number, pvoice->number);
264 snd_gf1_alloc_voice_use(gus, pvoice, type, client, port);
265 spin_unlock_irqrestore(&gus->voice_alloc, flags);
269 spin_unlock_irqrestore(&gus->voice_alloc, flags);
273 void snd_gf1_free_voice(struct snd_gus_card * gus, struct snd_gus_voice *voice)
281 snd_gf1_set_default_handlers(gus, SNDRV_GF1_HANDLER_VOICE | voice->number);
282 snd_gf1_clear_voices(gus, voice->number, voice->number);
283 spin_lock_irqsave(&gus->voice_alloc, flags);
289 gus->gf1.pcm_alloc_voices--;
292 spin_unlock_irqrestore(&gus->voice_alloc, flags);
301 int snd_gf1_start(struct snd_gus_card * gus)
306 snd_gf1_i_write8(gus, SNDRV_GF1_GB_RESET, 0); /* reset GF1 */
308 snd_gf1_i_write8(gus, SNDRV_GF1_GB_RESET, 1); /* disable IRQ & DAC */
310 snd_gf1_i_write8(gus, SNDRV_GF1_GB_JOYSTICK_DAC_LEVEL, gus->joystick_dac);
312 snd_gf1_set_default_handlers(gus, SNDRV_GF1_HANDLER_ALL);
314 gus->gf1.voices[i].number = i;
315 snd_gf1_set_default_handlers(gus, SNDRV_GF1_HANDLER_VOICE | i);
318 snd_gf1_uart_cmd(gus, 0x03); /* huh.. this cleanup took me some time... */
320 if (gus->gf1.enh_mode) { /* enhanced mode !!!! */
321 snd_gf1_i_write8(gus, SNDRV_GF1_GB_GLOBAL_MODE, snd_gf1_i_look8(gus, SNDRV_GF1_GB_GLOBAL_MODE) | 0x01);
322 snd_gf1_i_write8(gus, SNDRV_GF1_GB_MEMORY_CONTROL, 0x01);
324 snd_gf1_clear_regs(gus);
325 snd_gf1_select_active_voices(gus);
326 snd_gf1_delay(gus);
327 gus->gf1.default_voice_address = gus->gf1.memory > 0 ? 0 : 512 - 8;
329 if (gus->gf1.enh_mode && gus->gf1.memory) {
330 gus->gf1.hw_lfo = 1;
331 gus->gf1.default_voice_address += 1024;
333 gus->gf1.sw_lfo = 1;
335 if (gus->gf1.memory > 0)
337 snd_gf1_poke(gus, gus->gf1.default_voice_address + i, 0);
338 snd_gf1_clear_regs(gus);
339 snd_gf1_clear_voices(gus, 0, 31);
340 snd_gf1_look_regs(gus);
342 snd_gf1_i_write8(gus, SNDRV_GF1_GB_RESET, 7); /* Reset Register = IRQ enable, DAC enable */
344 snd_gf1_i_write8(gus, SNDRV_GF1_GB_RESET, 7); /* Reset Register = IRQ enable, DAC enable */
345 if (gus->gf1.enh_mode) { /* enhanced mode !!!! */
346 snd_gf1_i_write8(gus, SNDRV_GF1_GB_GLOBAL_MODE, snd_gf1_i_look8(gus, SNDRV_GF1_GB_GLOBAL_MODE) | 0x01);
347 snd_gf1_i_write8(gus, SNDRV_GF1_GB_MEMORY_CONTROL, 0x01);
349 while ((snd_gf1_i_read8(gus, SNDRV_GF1_GB_VOICES_IRQ) & 0xc0) != 0xc0);
351 spin_lock_irqsave(&gus->reg_lock, flags);
352 outb(gus->gf1.active_voice = 0, GUSP(gus, GF1PAGE));
353 outb(gus->mix_cntrl_reg, GUSP(gus, MIXCNTRLREG));
354 spin_unlock_irqrestore(&gus->reg_lock, flags);
356 snd_gf1_timers_init(gus);
357 snd_gf1_look_regs(gus);
358 snd_gf1_mem_init(gus);
359 snd_gf1_mem_proc_init(gus);
361 snd_gus_irq_profile_init(gus);
372 int snd_gf1_stop(struct snd_gus_card * gus)
374 snd_gf1_i_write8(gus, SNDRV_GF1_GB_SOUND_BLASTER_CONTROL, 0); /* stop all timers */
375 snd_gf1_stop_voices(gus, 0, 31); /* stop all voices */
376 snd_gf1_i_write8(gus, SNDRV_GF1_GB_RESET, 1); /* disable IRQ & DAC */
377 snd_gf1_timers_done(gus);
378 snd_gf1_mem_done(gus);