[mirror_ubuntu-bionic-kernel.git] / sound / firewire / bebob / bebob_focusrite.c

/*
 * bebob_focusrite.c - a part of driver for BeBoB based devices
 *
 * Copyright (c) 2013-2014 Takashi Sakamoto
 *
 * Licensed under the terms of the GNU General Public License, version 2.
 */

#include "./bebob.h"

#define ANA_IN	"Analog In"
#define DIG_IN	"Digital In"
#define ANA_OUT	"Analog Out"
#define DIG_OUT	"Digital Out"
#define STM_IN	"Stream In"

#define SAFFIRE_ADDRESS_BASE			0x000100000000ULL

#define SAFFIRE_OFFSET_CLOCK_SOURCE		0x00f8
#define SAFFIREPRO_OFFSET_CLOCK_SOURCE		0x0174

/* whether sync to external device or not */
#define SAFFIRE_OFFSET_CLOCK_SYNC_EXT		0x013c
#define SAFFIRE_LE_OFFSET_CLOCK_SYNC_EXT	0x0432
#define SAFFIREPRO_OFFSET_CLOCK_SYNC_EXT	0x0164

#define SAFFIRE_CLOCK_SOURCE_INTERNAL		0
#define SAFFIRE_CLOCK_SOURCE_SPDIF		1

/* clock sources as returned from register of Saffire Pro 10 and 26 */
#define SAFFIREPRO_CLOCK_SOURCE_SELECT_MASK	0x000000ff
#define SAFFIREPRO_CLOCK_SOURCE_DETECT_MASK	0x0000ff00
#define SAFFIREPRO_CLOCK_SOURCE_INTERNAL	0
#define SAFFIREPRO_CLOCK_SOURCE_SKIP		1 /* never used on hardware */
#define SAFFIREPRO_CLOCK_SOURCE_SPDIF		2
#define SAFFIREPRO_CLOCK_SOURCE_ADAT1		3 /* not used on s.pro. 10 */
#define SAFFIREPRO_CLOCK_SOURCE_ADAT2		4 /* not used on s.pro. 10 */
#define SAFFIREPRO_CLOCK_SOURCE_WORDCLOCK	5
#define SAFFIREPRO_CLOCK_SOURCE_COUNT		6

/* S/PDIF, ADAT1, ADAT2 is enabled or not. three quadlets */
#define SAFFIREPRO_ENABLE_DIG_IFACES		0x01a4

/* saffirepro has its own parameter for sampling frequency */
#define SAFFIREPRO_RATE_NOREBOOT		0x01cc
/* index is the value for this register */
static const unsigned int rates[] = {
	[0] = 0,
	[1] = 44100,
	[2] = 48000,
	[3] = 88200,
	[4] = 96000,
	[5] = 176400,
	[6] = 192000
};

/* saffire(no label)/saffire LE has metering */
#define SAFFIRE_OFFSET_METER			0x0100
#define SAFFIRE_LE_OFFSET_METER			0x0168

static inline int
saffire_read_block(struct snd_bebob *bebob, u64 offset,
		   u32 *buf, unsigned int size)
{
	unsigned int i;
	int err;
	__be32 *tmp = (__be32 *)buf;

	err =  snd_fw_transaction(bebob->unit, TCODE_READ_BLOCK_REQUEST,
				  SAFFIRE_ADDRESS_BASE + offset,
				  tmp, size, 0);
	if (err < 0)
		goto end;

	for (i = 0; i < size / sizeof(u32); i++)
		buf[i] = be32_to_cpu(tmp[i]);
end:
	return err;
}

static inline int
saffire_read_quad(struct snd_bebob *bebob, u64 offset, u32 *value)
{
	int err;
	__be32 tmp;

	err = snd_fw_transaction(bebob->unit, TCODE_READ_QUADLET_REQUEST,
				 SAFFIRE_ADDRESS_BASE + offset,
				 &tmp, sizeof(__be32), 0);
	if (err < 0)
		goto end;

	*value = be32_to_cpu(tmp);
end:
	return err;
}

static inline int
saffire_write_quad(struct snd_bebob *bebob, u64 offset, u32 value)
{
	__be32 data = cpu_to_be32(value);

	return snd_fw_transaction(bebob->unit, TCODE_WRITE_QUADLET_REQUEST,
				  SAFFIRE_ADDRESS_BASE + offset,
				  &data, sizeof(__be32), 0);
}

static const enum snd_bebob_clock_type saffirepro_10_clk_src_types[] = {
	SND_BEBOB_CLOCK_TYPE_INTERNAL,
	SND_BEBOB_CLOCK_TYPE_EXTERNAL,	/* S/PDIF */
	SND_BEBOB_CLOCK_TYPE_EXTERNAL,	/* Word Clock */
};
static const enum snd_bebob_clock_type saffirepro_26_clk_src_types[] = {
	SND_BEBOB_CLOCK_TYPE_INTERNAL,
	SND_BEBOB_CLOCK_TYPE_EXTERNAL,	/* S/PDIF */
	SND_BEBOB_CLOCK_TYPE_EXTERNAL,	/* ADAT1 */
	SND_BEBOB_CLOCK_TYPE_EXTERNAL,	/* ADAT2 */
	SND_BEBOB_CLOCK_TYPE_EXTERNAL,	/* Word Clock */
};
/* Value maps between registers and labels for SaffirePro 10/26. */
static const signed char saffirepro_clk_maps[][SAFFIREPRO_CLOCK_SOURCE_COUNT] = {
	/* SaffirePro 10 */
	[0] = {
		[SAFFIREPRO_CLOCK_SOURCE_INTERNAL]  =  0,
		[SAFFIREPRO_CLOCK_SOURCE_SKIP]      = -1, /* not supported */
		[SAFFIREPRO_CLOCK_SOURCE_SPDIF]     =  1,
		[SAFFIREPRO_CLOCK_SOURCE_ADAT1]     = -1, /* not supported */
		[SAFFIREPRO_CLOCK_SOURCE_ADAT2]     = -1, /* not supported */
		[SAFFIREPRO_CLOCK_SOURCE_WORDCLOCK] =  2,
	},
	/* SaffirePro 26 */
	[1] = {
		[SAFFIREPRO_CLOCK_SOURCE_INTERNAL]  =  0,
		[SAFFIREPRO_CLOCK_SOURCE_SKIP]      = -1, /* not supported */
		[SAFFIREPRO_CLOCK_SOURCE_SPDIF]     =  1,
		[SAFFIREPRO_CLOCK_SOURCE_ADAT1]     =  2,
		[SAFFIREPRO_CLOCK_SOURCE_ADAT2]     =  3,
		[SAFFIREPRO_CLOCK_SOURCE_WORDCLOCK] =  4,
	}
};

static int
saffirepro_both_clk_freq_get(struct snd_bebob *bebob, unsigned int *rate)
{
	u32 id;
	int err;

	err = saffire_read_quad(bebob, SAFFIREPRO_RATE_NOREBOOT, &id);
	if (err < 0)
		goto end;
	if (id >= ARRAY_SIZE(rates))
		err = -EIO;
	else
		*rate = rates[id];
end:
	return err;
}
static int
saffirepro_both_clk_freq_set(struct snd_bebob *bebob, unsigned int rate)
{
	u32 id;

	for (id = 0; id < ARRAY_SIZE(rates); id++) {
		if (rates[id] == rate)
			break;
	}
	if (id == ARRAY_SIZE(rates))
		return -EINVAL;

	return saffire_write_quad(bebob, SAFFIREPRO_RATE_NOREBOOT, id);
}

/*
 * query hardware for current clock source, return our internally
 * used clock index in *id, depending on hardware.
 */
static int
saffirepro_both_clk_src_get(struct snd_bebob *bebob, unsigned int *id)
{
	int err;
	u32 value;       /* clock source read from hw register */
	const signed char *map;

	err = saffire_read_quad(bebob, SAFFIREPRO_OFFSET_CLOCK_SOURCE, &value);
	if (err < 0)
		goto end;

	/* depending on hardware, use a different mapping */
	if (bebob->spec->clock->types == saffirepro_10_clk_src_types)
		map = saffirepro_clk_maps[0];
	else
		map = saffirepro_clk_maps[1];

	/* In a case that this driver cannot handle the value of register. */
	value &= SAFFIREPRO_CLOCK_SOURCE_SELECT_MASK;
	if (value >= SAFFIREPRO_CLOCK_SOURCE_COUNT || map[value] < 0) {
		err = -EIO;
		goto end;
	}

	*id = (unsigned int)map[value];
end:
	return err;
}

const struct snd_bebob_spec saffire_le_spec;
static const enum snd_bebob_clock_type saffire_both_clk_src_types[] = {
	SND_BEBOB_CLOCK_TYPE_INTERNAL,
	SND_BEBOB_CLOCK_TYPE_EXTERNAL,
};
static int
saffire_both_clk_src_get(struct snd_bebob *bebob, unsigned int *id)
{
	int err;
	u32 value;

	err = saffire_read_quad(bebob, SAFFIRE_OFFSET_CLOCK_SOURCE, &value);
	if (err >= 0)
		*id = 0xff & value;

	return err;
};
static const char *const saffire_le_meter_labels[] = {
	ANA_IN, ANA_IN, DIG_IN,
	ANA_OUT, ANA_OUT, ANA_OUT, ANA_OUT,
	STM_IN, STM_IN
};
static const char *const saffire_meter_labels[] = {
	ANA_IN, ANA_IN,
	STM_IN, STM_IN, STM_IN, STM_IN, STM_IN,
};
static int
saffire_meter_get(struct snd_bebob *bebob, u32 *buf, unsigned int size)
{
	const struct snd_bebob_meter_spec *spec = bebob->spec->meter;
	unsigned int channels;
	u64 offset;
	int err;

	if (spec->labels == saffire_le_meter_labels)
		offset = SAFFIRE_LE_OFFSET_METER;
	else
		offset = SAFFIRE_OFFSET_METER;

	channels = spec->num * 2;
	if (size < channels * sizeof(u32))
		return -EIO;

	err = saffire_read_block(bebob, offset, buf, size);
	if (err >= 0 && spec->labels == saffire_le_meter_labels) {
		swap(buf[1], buf[3]);
		swap(buf[2], buf[3]);
		swap(buf[3], buf[4]);

		swap(buf[7], buf[10]);
		swap(buf[8], buf[10]);
		swap(buf[9], buf[11]);
		swap(buf[11], buf[12]);

		swap(buf[15], buf[16]);
	}

	return err;
}

static const struct snd_bebob_rate_spec saffirepro_both_rate_spec = {
	.get	= &saffirepro_both_clk_freq_get,
	.set	= &saffirepro_both_clk_freq_set,
};
/* Saffire Pro 26 I/O  */
static const struct snd_bebob_clock_spec saffirepro_26_clk_spec = {
	.num	= ARRAY_SIZE(saffirepro_26_clk_src_types),
	.types	= saffirepro_26_clk_src_types,
	.get	= &saffirepro_both_clk_src_get,
};
const struct snd_bebob_spec saffirepro_26_spec = {
	.clock	= &saffirepro_26_clk_spec,
	.rate	= &saffirepro_both_rate_spec,
	.meter	= NULL
};
/* Saffire Pro 10 I/O */
static const struct snd_bebob_clock_spec saffirepro_10_clk_spec = {
	.num	= ARRAY_SIZE(saffirepro_10_clk_src_types),
	.types	= saffirepro_10_clk_src_types,
	.get	= &saffirepro_both_clk_src_get,
};
const struct snd_bebob_spec saffirepro_10_spec = {
	.clock	= &saffirepro_10_clk_spec,
	.rate	= &saffirepro_both_rate_spec,
	.meter	= NULL
};

static const struct snd_bebob_rate_spec saffire_both_rate_spec = {
	.get	= &snd_bebob_stream_get_rate,
	.set	= &snd_bebob_stream_set_rate,
};
static const struct snd_bebob_clock_spec saffire_both_clk_spec = {
	.num	= ARRAY_SIZE(saffire_both_clk_src_types),
	.types	= saffire_both_clk_src_types,
	.get	= &saffire_both_clk_src_get,
};
/* Saffire LE */
static const struct snd_bebob_meter_spec saffire_le_meter_spec = {
	.num	= ARRAY_SIZE(saffire_le_meter_labels),
	.labels	= saffire_le_meter_labels,
	.get	= &saffire_meter_get,
};
const struct snd_bebob_spec saffire_le_spec = {
	.clock	= &saffire_both_clk_spec,
	.rate	= &saffire_both_rate_spec,
	.meter	= &saffire_le_meter_spec
};
/* Saffire */
static const struct snd_bebob_meter_spec saffire_meter_spec = {
	.num	= ARRAY_SIZE(saffire_meter_labels),
	.labels	= saffire_meter_labels,
	.get	= &saffire_meter_get,
};
const struct snd_bebob_spec saffire_spec = {
	.clock	= &saffire_both_clk_spec,
	.rate	= &saffire_both_rate_spec,
	.meter	= &saffire_meter_spec
};
Commit	Line	Data
25784ec2 TS	1	/*
	2	* bebob_focusrite.c - a part of driver for BeBoB based devices
	3	*
	4	* Copyright (c) 2013-2014 Takashi Sakamoto
	5	*
	6	* Licensed under the terms of the GNU General Public License, version 2.
	7	*/
	8
	9	#include "./bebob.h"
	10
	11	#define ANA_IN "Analog In"
	12	#define DIG_IN "Digital In"
	13	#define ANA_OUT "Analog Out"
	14	#define DIG_OUT "Digital Out"
	15	#define STM_IN "Stream In"
	16
9b5f0edf	17	#define SAFFIRE_ADDRESS_BASE 0x000100000000ULL
25784ec2	18
9b5f0edf TS	19	#define SAFFIRE_OFFSET_CLOCK_SOURCE 0x00f8
9b5f0edf TS	20	#define SAFFIREPRO_OFFSET_CLOCK_SOURCE 0x0174
25784ec2 TS	21
25784ec2 TS	22	/* whether sync to external device or not */
9b5f0edf TS	23	#define SAFFIRE_OFFSET_CLOCK_SYNC_EXT 0x013c
	24	#define SAFFIRE_LE_OFFSET_CLOCK_SYNC_EXT 0x0432
	25	#define SAFFIREPRO_OFFSET_CLOCK_SYNC_EXT 0x0164
25784ec2 TS	26
	27	#define SAFFIRE_CLOCK_SOURCE_INTERNAL 0
	28	#define SAFFIRE_CLOCK_SOURCE_SPDIF 1
	29
d1d0b6b6	30	/* clock sources as returned from register of Saffire Pro 10 and 26 */
05bfb543 TS	31	#define SAFFIREPRO_CLOCK_SOURCE_SELECT_MASK 0x000000ff
05bfb543 TS	32	#define SAFFIREPRO_CLOCK_SOURCE_DETECT_MASK 0x0000ff00
25784ec2	33	#define SAFFIREPRO_CLOCK_SOURCE_INTERNAL 0
d1d0b6b6	34	#define SAFFIREPRO_CLOCK_SOURCE_SKIP 1 /* never used on hardware */
25784ec2	35	#define SAFFIREPRO_CLOCK_SOURCE_SPDIF 2
d1d0b6b6 CV	36	#define SAFFIREPRO_CLOCK_SOURCE_ADAT1 3 /* not used on s.pro. 10 */
d1d0b6b6 CV	37	#define SAFFIREPRO_CLOCK_SOURCE_ADAT2 4 /* not used on s.pro. 10 */
25784ec2	38	#define SAFFIREPRO_CLOCK_SOURCE_WORDCLOCK 5
d1d0b6b6	39	#define SAFFIREPRO_CLOCK_SOURCE_COUNT 6
25784ec2 TS	40
25784ec2 TS	41	/* S/PDIF, ADAT1, ADAT2 is enabled or not. three quadlets */
9b5f0edf	42	#define SAFFIREPRO_ENABLE_DIG_IFACES 0x01a4
25784ec2 TS	43
25784ec2 TS	44	/* saffirepro has its own parameter for sampling frequency */
9b5f0edf	45	#define SAFFIREPRO_RATE_NOREBOOT 0x01cc
25784ec2 TS	46	/* index is the value for this register */
	47	static const unsigned int rates[] = {
	48	[0] = 0,
	49	[1] = 44100,
	50	[2] = 48000,
	51	[3] = 88200,
	52	[4] = 96000,
	53	[5] = 176400,
	54	[6] = 192000
	55	};
	56
	57	/* saffire(no label)/saffire LE has metering */
9b5f0edf TS	58	#define SAFFIRE_OFFSET_METER 0x0100
9b5f0edf TS	59	#define SAFFIRE_LE_OFFSET_METER 0x0168
25784ec2 TS	60
	61	static inline int
	62	saffire_read_block(struct snd_bebob *bebob, u64 offset,
	63	u32 *buf, unsigned int size)
	64	{
	65	unsigned int i;
	66	int err;
	67	__be32 tmp = (__be32 )buf;
	68
	69	err = snd_fw_transaction(bebob->unit, TCODE_READ_BLOCK_REQUEST,
	70	SAFFIRE_ADDRESS_BASE + offset,
	71	tmp, size, 0);
	72	if (err < 0)
	73	goto end;
	74
	75	for (i = 0; i < size / sizeof(u32); i++)
	76	buf[i] = be32_to_cpu(tmp[i]);
	77	end:
	78	return err;
	79	}
	80
	81	static inline int
	82	saffire_read_quad(struct snd_bebob bebob, u64 offset, u32 value)
	83	{
	84	int err;
	85	__be32 tmp;
	86
	87	err = snd_fw_transaction(bebob->unit, TCODE_READ_QUADLET_REQUEST,
	88	SAFFIRE_ADDRESS_BASE + offset,
	89	&tmp, sizeof(__be32), 0);
	90	if (err < 0)
	91	goto end;
	92
	93	*value = be32_to_cpu(tmp);
	94	end:
	95	return err;
	96	}
	97
	98	static inline int
	99	saffire_write_quad(struct snd_bebob *bebob, u64 offset, u32 value)
	100	{
	101	__be32 data = cpu_to_be32(value);
	102
	103	return snd_fw_transaction(bebob->unit, TCODE_WRITE_QUADLET_REQUEST,
	104	SAFFIRE_ADDRESS_BASE + offset,
	105	&data, sizeof(__be32), 0);
	106	}
	107
782fbec7	108	static const enum snd_bebob_clock_type saffirepro_10_clk_src_types[] = {
ba517713 TS	109	SND_BEBOB_CLOCK_TYPE_INTERNAL,
	110	SND_BEBOB_CLOCK_TYPE_EXTERNAL, /* S/PDIF */
	111	SND_BEBOB_CLOCK_TYPE_EXTERNAL, /* Word Clock */
	112	};
782fbec7	113	static const enum snd_bebob_clock_type saffirepro_26_clk_src_types[] = {
ba517713 TS	114	SND_BEBOB_CLOCK_TYPE_INTERNAL,
	115	SND_BEBOB_CLOCK_TYPE_EXTERNAL, /* S/PDIF */
	116	SND_BEBOB_CLOCK_TYPE_EXTERNAL, /* ADAT1 */
	117	SND_BEBOB_CLOCK_TYPE_EXTERNAL, /* ADAT2 */
	118	SND_BEBOB_CLOCK_TYPE_EXTERNAL, /* Word Clock */
	119	};
d1d0b6b6 CV	120	/* Value maps between registers and labels for SaffirePro 10/26. */
	121	static const signed char saffirepro_clk_maps[][SAFFIREPRO_CLOCK_SOURCE_COUNT] = {
	122	/* SaffirePro 10 */
	123	[0] = {
	124	[SAFFIREPRO_CLOCK_SOURCE_INTERNAL] = 0,
	125	[SAFFIREPRO_CLOCK_SOURCE_SKIP] = -1, /* not supported */
	126	[SAFFIREPRO_CLOCK_SOURCE_SPDIF] = 1,
	127	[SAFFIREPRO_CLOCK_SOURCE_ADAT1] = -1, /* not supported */
	128	[SAFFIREPRO_CLOCK_SOURCE_ADAT2] = -1, /* not supported */
	129	[SAFFIREPRO_CLOCK_SOURCE_WORDCLOCK] = 2,
	130	},
	131	/* SaffirePro 26 */
	132	[1] = {
	133	[SAFFIREPRO_CLOCK_SOURCE_INTERNAL] = 0,
	134	[SAFFIREPRO_CLOCK_SOURCE_SKIP] = -1, /* not supported */
	135	[SAFFIREPRO_CLOCK_SOURCE_SPDIF] = 1,
	136	[SAFFIREPRO_CLOCK_SOURCE_ADAT1] = 2,
	137	[SAFFIREPRO_CLOCK_SOURCE_ADAT2] = 3,
	138	[SAFFIREPRO_CLOCK_SOURCE_WORDCLOCK] = 4,
	139	}
25784ec2	140	};
d1d0b6b6	141
25784ec2 TS	142	static int
	143	saffirepro_both_clk_freq_get(struct snd_bebob bebob, unsigned int rate)
	144	{
	145	u32 id;
	146	int err;
	147
	148	err = saffire_read_quad(bebob, SAFFIREPRO_RATE_NOREBOOT, &id);
	149	if (err < 0)
	150	goto end;
	151	if (id >= ARRAY_SIZE(rates))
	152	err = -EIO;
	153	else
	154	*rate = rates[id];
	155	end:
	156	return err;
	157	}
	158	static int
	159	saffirepro_both_clk_freq_set(struct snd_bebob *bebob, unsigned int rate)
	160	{
	161	u32 id;
	162
	163	for (id = 0; id < ARRAY_SIZE(rates); id++) {
	164	if (rates[id] == rate)
	165	break;
	166	}
	167	if (id == ARRAY_SIZE(rates))
	168	return -EINVAL;
	169
	170	return saffire_write_quad(bebob, SAFFIREPRO_RATE_NOREBOOT, id);
	171	}
d1d0b6b6 CV	172
	173	/*
	174	* query hardware for current clock source, return our internally
	175	* used clock index in *id, depending on hardware.
	176	*/
25784ec2 TS	177	static int
	178	saffirepro_both_clk_src_get(struct snd_bebob bebob, unsigned int id)
	179	{
	180	int err;
d1d0b6b6 CV	181	u32 value; /* clock source read from hw register */
d1d0b6b6 CV	182	const signed char *map;
25784ec2 TS	183
	184	err = saffire_read_quad(bebob, SAFFIREPRO_OFFSET_CLOCK_SOURCE, &value);
	185	if (err < 0)
	186	goto end;
	187
d1d0b6b6	188	/* depending on hardware, use a different mapping */
ba517713	189	if (bebob->spec->clock->types == saffirepro_10_clk_src_types)
d1d0b6b6 CV	190	map = saffirepro_clk_maps[0];
	191	else
	192	map = saffirepro_clk_maps[1];
	193
	194	/* In a case that this driver cannot handle the value of register. */
05bfb543	195	value &= SAFFIREPRO_CLOCK_SOURCE_SELECT_MASK;
d1d0b6b6 CV	196	if (value >= SAFFIREPRO_CLOCK_SOURCE_COUNT \|\| map[value] < 0) {
	197	err = -EIO;
	198	goto end;
25784ec2	199	}
d1d0b6b6 CV	200
d1d0b6b6 CV	201	*id = (unsigned int)map[value];
25784ec2 TS	202	end:
	203	return err;
	204	}
	205
6b9866c8	206	const struct snd_bebob_spec saffire_le_spec;
782fbec7	207	static const enum snd_bebob_clock_type saffire_both_clk_src_types[] = {
ba517713 TS	208	SND_BEBOB_CLOCK_TYPE_INTERNAL,
	209	SND_BEBOB_CLOCK_TYPE_EXTERNAL,
	210	};
25784ec2 TS	211	static int
	212	saffire_both_clk_src_get(struct snd_bebob bebob, unsigned int id)
	213	{
	214	int err;
	215	u32 value;
	216
	217	err = saffire_read_quad(bebob, SAFFIRE_OFFSET_CLOCK_SOURCE, &value);
	218	if (err >= 0)
	219	*id = 0xff & value;
	220
	221	return err;
	222	};
e7ced413	223	static const char *const saffire_le_meter_labels[] = {
25784ec2 TS	224	ANA_IN, ANA_IN, DIG_IN,
	225	ANA_OUT, ANA_OUT, ANA_OUT, ANA_OUT,
	226	STM_IN, STM_IN
	227	};
e7ced413	228	static const char *const saffire_meter_labels[] = {
25784ec2 TS	229	ANA_IN, ANA_IN,
	230	STM_IN, STM_IN, STM_IN, STM_IN, STM_IN,
	231	};
	232	static int
	233	saffire_meter_get(struct snd_bebob bebob, u32 buf, unsigned int size)
	234	{
6b9866c8	235	const struct snd_bebob_meter_spec *spec = bebob->spec->meter;
25784ec2 TS	236	unsigned int channels;
	237	u64 offset;
	238	int err;
	239
	240	if (spec->labels == saffire_le_meter_labels)
	241	offset = SAFFIRE_LE_OFFSET_METER;
	242	else
	243	offset = SAFFIRE_OFFSET_METER;
	244
	245	channels = spec->num * 2;
	246	if (size < channels * sizeof(u32))
	247	return -EIO;
	248
	249	err = saffire_read_block(bebob, offset, buf, size);
	250	if (err >= 0 && spec->labels == saffire_le_meter_labels) {
	251	swap(buf[1], buf[3]);
	252	swap(buf[2], buf[3]);
	253	swap(buf[3], buf[4]);
	254
	255	swap(buf[7], buf[10]);
	256	swap(buf[8], buf[10]);
	257	swap(buf[9], buf[11]);
	258	swap(buf[11], buf[12]);
	259
	260	swap(buf[15], buf[16]);
	261	}
	262
	263	return err;
	264	}
	265
6b9866c8	266	static const struct snd_bebob_rate_spec saffirepro_both_rate_spec = {
25784ec2 TS	267	.get = &saffirepro_both_clk_freq_get,
	268	.set = &saffirepro_both_clk_freq_set,
	269	};
	270	/* Saffire Pro 26 I/O */
6b9866c8	271	static const struct snd_bebob_clock_spec saffirepro_26_clk_spec = {
ba517713	272	.num = ARRAY_SIZE(saffirepro_26_clk_src_types),
ba517713	273	.types = saffirepro_26_clk_src_types,
25784ec2 TS	274	.get = &saffirepro_both_clk_src_get,
25784ec2 TS	275	};
6b9866c8	276	const struct snd_bebob_spec saffirepro_26_spec = {
25784ec2 TS	277	.clock = &saffirepro_26_clk_spec,
	278	.rate = &saffirepro_both_rate_spec,
	279	.meter = NULL
	280	};
	281	/* Saffire Pro 10 I/O */
6b9866c8	282	static const struct snd_bebob_clock_spec saffirepro_10_clk_spec = {
ba517713	283	.num = ARRAY_SIZE(saffirepro_10_clk_src_types),
ba517713	284	.types = saffirepro_10_clk_src_types,
25784ec2 TS	285	.get = &saffirepro_both_clk_src_get,
25784ec2 TS	286	};
6b9866c8	287	const struct snd_bebob_spec saffirepro_10_spec = {
25784ec2 TS	288	.clock = &saffirepro_10_clk_spec,
	289	.rate = &saffirepro_both_rate_spec,
	290	.meter = NULL
	291	};
	292
6b9866c8	293	static const struct snd_bebob_rate_spec saffire_both_rate_spec = {
25784ec2 TS	294	.get = &snd_bebob_stream_get_rate,
	295	.set = &snd_bebob_stream_set_rate,
	296	};
6b9866c8	297	static const struct snd_bebob_clock_spec saffire_both_clk_spec = {
ba517713	298	.num = ARRAY_SIZE(saffire_both_clk_src_types),
ba517713	299	.types = saffire_both_clk_src_types,
25784ec2 TS	300	.get = &saffire_both_clk_src_get,
	301	};
	302	/* Saffire LE */
6b9866c8	303	static const struct snd_bebob_meter_spec saffire_le_meter_spec = {
25784ec2 TS	304	.num = ARRAY_SIZE(saffire_le_meter_labels),
	305	.labels = saffire_le_meter_labels,
	306	.get = &saffire_meter_get,
	307	};
6b9866c8	308	const struct snd_bebob_spec saffire_le_spec = {
25784ec2 TS	309	.clock = &saffire_both_clk_spec,
	310	.rate = &saffire_both_rate_spec,
	311	.meter = &saffire_le_meter_spec
	312	};
	313	/* Saffire */
6b9866c8	314	static const struct snd_bebob_meter_spec saffire_meter_spec = {
25784ec2 TS	315	.num = ARRAY_SIZE(saffire_meter_labels),
	316	.labels = saffire_meter_labels,
	317	.get = &saffire_meter_get,
	318	};
6b9866c8	319	const struct snd_bebob_spec saffire_spec = {
25784ec2 TS	320	.clock = &saffire_both_clk_spec,
	321	.rate = &saffire_both_rate_spec,
	322	.meter = &saffire_meter_spec
	323	};