isa/sb/emu8000_pcm.c

171 static inline int emu8k_get_curpos(struct snd_emu8k_pcm *rec, int ch)
173 	int val = EMU8000_CCCA_READ(rec->emu, ch) & 0xfffffff;
174 	val -= rec->loop_start[ch] - 1;
269 static void setup_voice(struct snd_emu8k_pcm *rec, int ch)
275 	EMU8000_DCYSUSV_WRITE(hw, ch, 0x0080);
276 	EMU8000_VTFT_WRITE(hw, ch, 0x0000FFFF);
277 	EMU8000_CVCF_WRITE(hw, ch, 0x0000FFFF);
278 	EMU8000_PTRX_WRITE(hw, ch, 0);
279 	EMU8000_CPF_WRITE(hw, ch, 0);
282 	EMU8000_IP_WRITE(hw, ch, rec->pitch);
284 	EMU8000_ENVVAL_WRITE(hw, ch, 0x8000);
285 	EMU8000_ATKHLD_WRITE(hw, ch, 0x7f7f);
286 	EMU8000_DCYSUS_WRITE(hw, ch, 0x7f7f);
287 	EMU8000_ENVVOL_WRITE(hw, ch, 0x8000);
288 	EMU8000_ATKHLDV_WRITE(hw, ch, 0x7f7f);
292 	EMU8000_PEFE_WRITE(hw, ch, 0x0);
294 	EMU8000_LFO1VAL_WRITE(hw, ch, 0x8000);
295 	EMU8000_LFO2VAL_WRITE(hw, ch, 0x8000);
297 	EMU8000_FMMOD_WRITE(hw, ch, 0);
299 	EMU8000_TREMFRQ_WRITE(hw, ch, 0);
301 	EMU8000_FM2FRQ2_WRITE(hw, ch, 0);
303 	temp = rec->panning[ch];
304 	temp = (temp <<24) | ((unsigned int)rec->loop_start[ch] - 1);
305 	EMU8000_PSST_WRITE(hw, ch, temp);
308 	temp = (temp << 24) | ((unsigned int)rec->loop_start[ch] + rec->buf_size - 1);
309 	EMU8000_CSL_WRITE(hw, ch, temp);
312 	temp = (temp << 28) | ((unsigned int)rec->loop_start[ch] - 1);
313 	EMU8000_CCCA_WRITE(hw, ch, temp);
315 	EMU8000_00A0_WRITE(hw, ch, 0);
316 	EMU8000_0080_WRITE(hw, ch, 0);
322 static void start_voice(struct snd_emu8k_pcm *rec, int ch)
330 	EMU8000_IFATN_WRITE(hw, ch, 0xff00);
331 	EMU8000_VTFT_WRITE(hw, ch, 0xffff);
332 	EMU8000_CVCF_WRITE(hw, ch, 0xffff);
334 	EMU8000_DCYSUSV_WRITE(hw, ch, 0x7f7f);
337 	if (rec->panning[ch] == 0)
340 		aux = (-rec->panning[ch]) & 0xff;
342 	EMU8000_PTRX_WRITE(hw, ch, temp);
343 	EMU8000_CPF_WRITE(hw, ch, pt << 16);
357 static void stop_voice(struct snd_emu8k_pcm *rec, int ch)
362 	EMU8000_DCYSUSV_WRITE(hw, ch, 0x807F);
376 	int ch;
380 		for (ch = 0; ch < rec->voices; ch++)
381 			start_voice(rec, ch);
386 		for (ch = 0; ch < rec->voices; ch++)
387 			stop_voice(rec, ch);
551 		int ch;
552 		for (ch = 0; ch < rec->voices; ch++)
553 			stop_voice(rec, ch); // to be sure
585 		int err, i, ch;
598 		for (ch = 0; ch < rec->voices; ch++) {
599 			EMU8000_SMALW_WRITE(rec->emu, rec->loop_start[ch] + rec->buf_size);