mirror of
https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git
synced 2024-08-23 09:19:51 +00:00
![Takashi Sakamoto](/assets/img/avatar_default.png)
Some variables were declared without static even if they're not referred to from external files. This commit make them local symbols for better information-hiding by file unit. Signed-off-by: Takashi Sakamoto <o-takashi@sakamocchi.jp> Signed-off-by: Takashi Iwai <tiwai@suse.de>
279 lines
6.8 KiB
C
279 lines
6.8 KiB
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
|
|
|
|
/* '1' is absent, why... */
|
|
#define SAFFIREPRO_CLOCK_SOURCE_INTERNAL 0
|
|
#define SAFFIREPRO_CLOCK_SOURCE_SPDIF 2
|
|
#define SAFFIREPRO_CLOCK_SOURCE_ADAT1 3
|
|
#define SAFFIREPRO_CLOCK_SOURCE_ADAT2 4
|
|
#define SAFFIREPRO_CLOCK_SOURCE_WORDCLOCK 5
|
|
|
|
/* 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 char *const saffirepro_26_clk_src_labels[] = {
|
|
SND_BEBOB_CLOCK_INTERNAL, "S/PDIF", "ADAT1", "ADAT2", "Word Clock"
|
|
};
|
|
|
|
static char *const saffirepro_10_clk_src_labels[] = {
|
|
SND_BEBOB_CLOCK_INTERNAL, "S/PDIF", "Word Clock"
|
|
};
|
|
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);
|
|
}
|
|
static int
|
|
saffirepro_both_clk_src_get(struct snd_bebob *bebob, unsigned int *id)
|
|
{
|
|
int err;
|
|
u32 value;
|
|
|
|
err = saffire_read_quad(bebob, SAFFIREPRO_OFFSET_CLOCK_SOURCE, &value);
|
|
if (err < 0)
|
|
goto end;
|
|
|
|
if (bebob->spec->clock->labels == saffirepro_10_clk_src_labels) {
|
|
if (value == SAFFIREPRO_CLOCK_SOURCE_WORDCLOCK)
|
|
*id = 2;
|
|
else if (value == SAFFIREPRO_CLOCK_SOURCE_SPDIF)
|
|
*id = 1;
|
|
} else if (value > 1) {
|
|
*id = value - 1;
|
|
}
|
|
end:
|
|
return err;
|
|
}
|
|
|
|
struct snd_bebob_spec saffire_le_spec;
|
|
static char *const saffire_both_clk_src_labels[] = {
|
|
SND_BEBOB_CLOCK_INTERNAL, "S/PDIF"
|
|
};
|
|
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 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 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)
|
|
{
|
|
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 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 struct snd_bebob_clock_spec saffirepro_26_clk_spec = {
|
|
.num = ARRAY_SIZE(saffirepro_26_clk_src_labels),
|
|
.labels = saffirepro_26_clk_src_labels,
|
|
.get = &saffirepro_both_clk_src_get,
|
|
};
|
|
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 struct snd_bebob_clock_spec saffirepro_10_clk_spec = {
|
|
.num = ARRAY_SIZE(saffirepro_10_clk_src_labels),
|
|
.labels = saffirepro_10_clk_src_labels,
|
|
.get = &saffirepro_both_clk_src_get,
|
|
};
|
|
struct snd_bebob_spec saffirepro_10_spec = {
|
|
.clock = &saffirepro_10_clk_spec,
|
|
.rate = &saffirepro_both_rate_spec,
|
|
.meter = NULL
|
|
};
|
|
|
|
static struct snd_bebob_rate_spec saffire_both_rate_spec = {
|
|
.get = &snd_bebob_stream_get_rate,
|
|
.set = &snd_bebob_stream_set_rate,
|
|
};
|
|
static struct snd_bebob_clock_spec saffire_both_clk_spec = {
|
|
.num = ARRAY_SIZE(saffire_both_clk_src_labels),
|
|
.labels = saffire_both_clk_src_labels,
|
|
.get = &saffire_both_clk_src_get,
|
|
};
|
|
/* Saffire LE */
|
|
static 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,
|
|
};
|
|
struct snd_bebob_spec saffire_le_spec = {
|
|
.clock = &saffire_both_clk_spec,
|
|
.rate = &saffire_both_rate_spec,
|
|
.meter = &saffire_le_meter_spec
|
|
};
|
|
/* Saffire */
|
|
static struct snd_bebob_meter_spec saffire_meter_spec = {
|
|
.num = ARRAY_SIZE(saffire_meter_labels),
|
|
.labels = saffire_meter_labels,
|
|
.get = &saffire_meter_get,
|
|
};
|
|
struct snd_bebob_spec saffire_spec = {
|
|
.clock = &saffire_both_clk_spec,
|
|
.rate = &saffire_both_rate_spec,
|
|
.meter = &saffire_meter_spec
|
|
};
|