47 lines
		
	
	
		
			1.3 KiB
		
	
	
	
		
			C
		
	
	
	
	
	
			
		
		
	
	
			47 lines
		
	
	
		
			1.3 KiB
		
	
	
	
		
			C
		
	
	
	
	
	
| // SPDX-License-Identifier: GPL-2.0
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| /*
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|  * dice-mytek.c - a part of driver for DICE based devices
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|  *
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|  * Copyright (c) 2018 Melvin Vermeeren
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|  */
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| 
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| #include "dice.h"
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| 
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| struct dice_mytek_spec {
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| 	unsigned int tx_pcm_chs[MAX_STREAMS][SND_DICE_RATE_MODE_COUNT];
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| 	unsigned int rx_pcm_chs[MAX_STREAMS][SND_DICE_RATE_MODE_COUNT];
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| };
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| 
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| static const struct dice_mytek_spec stereo_192_dsd_dac = {
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| 	/* AES, TOSLINK, SPDIF, ADAT inputs on device */
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| 	.tx_pcm_chs = {{8, 8, 8}, {0, 0, 0} },
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| 	/* PCM 44.1-192, native DSD64/DSD128 to device */
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| 	.rx_pcm_chs = {{4, 4, 4}, {0, 0, 0} }
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| };
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| 
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| /*
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|  * Mytek has a few other firewire-capable devices, though newer models appear
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|  * to lack the port more often than not. As I don't have access to any of them
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|  * they are missing here. An example is the Mytek 8x192 ADDA, which is DICE.
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|  */
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| 
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| int snd_dice_detect_mytek_formats(struct snd_dice *dice)
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| {
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| 	int i;
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| 	const struct dice_mytek_spec *dev;
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| 
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| 	dev = &stereo_192_dsd_dac;
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| 
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| 	memcpy(dice->tx_pcm_chs, dev->tx_pcm_chs,
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| 	       MAX_STREAMS * SND_DICE_RATE_MODE_COUNT * sizeof(unsigned int));
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| 	memcpy(dice->rx_pcm_chs, dev->rx_pcm_chs,
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| 	       MAX_STREAMS * SND_DICE_RATE_MODE_COUNT * sizeof(unsigned int));
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| 
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| 	for (i = 0; i < MAX_STREAMS; ++i) {
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| 		dice->tx_midi_ports[i] = 0;
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| 		dice->rx_midi_ports[i] = 0;
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| 	}
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| 
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| 	return 0;
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| }
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