isa/gus/gus_pcm.c

39 	unsigned char voice_ctrl, ramp_ctrl;
93 	unsigned char voice_ctrl, ramp_ctrl;
110 	voice_ctrl = snd_pcm_format_width(runtime->format) == 16 ? 0x24 : 0x20;
114 		voice_ctrl |= 0x08;	/* loop enable */
128 		snd_gf1_write_addr(gus, SNDRV_GF1_VA_START, begin << 4, voice_ctrl & 4);
129 		snd_gf1_write_addr(gus, SNDRV_GF1_VA_END, end << 4, voice_ctrl & 4);
130 		snd_gf1_write_addr(gus, SNDRV_GF1_VA_CURRENT, curr << 4, voice_ctrl & 4);
147 		snd_gf1_write8(gus, SNDRV_GF1_VB_ADDRESS_CONTROL, voice_ctrl);
148 		voice_ctrl &= ~0x20;
150 	voice_ctrl |= 0x20;
155 			snd_gf1_write8(gus, SNDRV_GF1_VB_ADDRESS_CONTROL, voice_ctrl);
156 			voice_ctrl &= ~0x20;	/* disable IRQ for next voice */
167 	unsigned char voice_ctrl, ramp_ctrl;
187 	voice_ctrl = snd_gf1_read8(gus, SNDRV_GF1_VB_ADDRESS_CONTROL) & ~0x8b;
192 		(snd_gf1_read_addr(gus, SNDRV_GF1_VA_CURRENT, voice_ctrl & 4) >> 4));
195 		(snd_gf1_read_addr(gus, SNDRV_GF1_VA_CURRENT, voice_ctrl & 4) >> 4));
201 		voice_ctrl |= 0x08;	/* enable loop */
206 	end -= voice_ctrl & 4 ? 2 : 1;
208 	voice_ctrl |= 0x20;
215 		snd_gf1_write_addr(gus, SNDRV_GF1_VA_END, end << 4, voice_ctrl & 4);
216 		snd_gf1_write8(gus, SNDRV_GF1_VB_ADDRESS_CONTROL, voice_ctrl);
218 		voice_ctrl &= ~0x20;
222 		voice_ctrl |= 0x20;
225 			snd_gf1_write8(gus, SNDRV_GF1_VB_ADDRESS_CONTROL, voice_ctrl);
227 			voice_ctrl &= ~0x20;
503 	unsigned char voice_ctrl;
509 		voice_ctrl = snd_gf1_read8(gus, SNDRV_GF1_VB_ADDRESS_CONTROL);
510 		pos = (snd_gf1_read_addr(gus, SNDRV_GF1_VA_CURRENT, voice_ctrl & 4) >> 4) - pcmp->memory;