1 // SPDX-License-Identifier: GPL-2.0-only
11  *		     - added versioning
12  *		     - put in and populated the hardware_afmts field.
13  *             [0.2] - put in SNDCTL_DSP_GETCAPS value.
14  *	       [0.3] - put in constraint on state buffer usage.
15  *	       [0.4] - put in default hard/soft settings
65      *  Helper pointers for 16(14)-bit sound
92      *  Heartbeat interferes with sound since the 7 kHz low-pass filter and the
167 			return -EFAULT;  in ami_ct_s8()
172 		used = count*2;  in ami_ct_s8()
176 				return -EFAULT;  in ami_ct_s8()
177 			count--;  in ami_ct_s8()
203 				return -EFAULT;				\
205 			count--;					\
211 		used = count*2;						\
215 				return -EFAULT;				\
218 				return -EFAULT;				\
220 			count--;					\
253 		used = count*2;						\
256 				return -EFAULT;				\
259 			*low++ = (data>>2) & 0x3f;			\
260 			count--;					\
263 		u_char *lefth = &frame[*frameUsed>>2];			\
267 		count = min_t(size_t, userCount, frameLeft)>>2 & ~1;	\
271 				return -EFAULT;				\
274 			*leftl++ = (data>>2) & 0x3f;			\
276 				return -EFAULT;				\
279 			*rightl++ = (data>>2) & 0x3f;			\
280 			count--;					\
314 	custom.aud[2].audvol = custom.aud[3].audvol = 0;  in StopDMA()
365 		period = amiga_colorclock/dmasound.soft.speed-1;  in AmiInit()
406 	default: /* :-) */  in AmiSetFormat()
435 			custom.aud[2].audvol = 1;  in AmiSetVolume()
438 			custom.aud[2].audvol = 0;  in AmiSetVolume()
458 #define AMI_PLAY_PLAYING	2
464 	u_char *start, *ch0, *ch1, *ch2, *ch3;  in AmiPlayNextFrame()  local
475 		ch0 = start;  in AmiPlayNextFrame()
479 		ch0 = start;  in AmiPlayNextFrame()
487 		custom.aud[0].audlc = (u_short *)ZTWO_PADDR(ch0);  in AmiPlayNextFrame()
494 		custom.aud[0].audlc = (u_short *)ZTWO_PADDR(ch0);  in AmiPlayNextFrame()
499 			/* We can play pseudo 14-bit only with the maximum volume */  in AmiPlayNextFrame()
500 			ch3 = ch0+write_sq_block_size_quarter;  in AmiPlayNextFrame()
502 			custom.aud[2].audvol = 1;  /* we are being affected by the beeps */  in AmiPlayNextFrame()
504 			custom.aud[2].audlc = (u_short *)ZTWO_PADDR(ch2);  in AmiPlayNextFrame()
505 			custom.aud[2].audlen = size;  in AmiPlayNextFrame()
510 			custom.aud[2].audvol = 0;  in AmiPlayNextFrame()
534 		minframes = 2;  in AmiPlay()
573 		write_sq.count--;  in AmiInterrupt()
579 		minframes = 2;  in AmiInterrupt()
615 	custom.aud[2].audvol = 1;	/* For pseudo 14bit */  in AmiMixerInit()
642 	return -EINVAL;  in AmiMixerIoctl()
707 	.hardware_afmts	= (AFMT_S8 | AFMT_S16_BE), /* h'ware-supported formats *only* here */
737 		.name	= "amiga-audio",
745 MODULE_ALIAS("platform:amiga-audio");