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04874299
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04874299
编写于
12月 10, 2012
作者:
M
Mark Brown
浏览文件
操作
浏览文件
下载
差异文件
Merge remote-tracking branch 'asoc/topic/wm8770' into asoc-next
上级
95dd6d90
c6300bb8
变更
1
隐藏空白更改
内联
并排
Showing
1 changed file
with
107 addition
and
110 deletion
+107
-110
sound/soc/codecs/wm8770.c
sound/soc/codecs/wm8770.c
+107
-110
未找到文件。
sound/soc/codecs/wm8770.c
浏览文件 @
04874299
...
...
@@ -17,6 +17,7 @@
#include <linux/of_device.h>
#include <linux/pm.h>
#include <linux/spi/spi.h>
#include <linux/regmap.h>
#include <linux/regulator/consumer.h>
#include <linux/slab.h>
#include <sound/core.h>
...
...
@@ -35,19 +36,52 @@ static const char *wm8770_supply_names[WM8770_NUM_SUPPLIES] = {
"DVDD"
};
static
const
u16
wm8770_reg_defs
[
WM8770_CACHEREGNUM
]
=
{
0x7f
,
0x7f
,
0x7f
,
0x7f
,
0x7f
,
0x7f
,
0x7f
,
0x7f
,
0x7f
,
0xff
,
0xff
,
0xff
,
0xff
,
0xff
,
0xff
,
0xff
,
0xff
,
0xff
,
0
,
0x90
,
0
,
0
,
0x22
,
0x22
,
0x3e
,
0xc
,
0xc
,
0x100
,
0x189
,
0x189
,
0x8770
static
const
struct
reg_default
wm8770_reg_defaults
[]
=
{
{
0
,
0x7f
},
{
1
,
0x7f
},
{
2
,
0x7f
},
{
3
,
0x7f
},
{
4
,
0x7f
},
{
5
,
0x7f
},
{
6
,
0x7f
},
{
7
,
0x7f
},
{
8
,
0x7f
},
{
9
,
0xff
},
{
10
,
0xff
},
{
11
,
0xff
},
{
12
,
0xff
},
{
13
,
0xff
},
{
14
,
0xff
},
{
15
,
0xff
},
{
16
,
0xff
},
{
17
,
0xff
},
{
18
,
0
},
{
19
,
0x90
},
{
20
,
0
},
{
21
,
0
},
{
22
,
0x22
},
{
23
,
0x22
},
{
24
,
0x3e
},
{
25
,
0xc
},
{
26
,
0xc
},
{
27
,
0x100
},
{
28
,
0x189
},
{
29
,
0x189
},
{
30
,
0x8770
},
};
static
bool
wm8770_volatile_reg
(
struct
device
*
dev
,
unsigned
int
reg
)
{
switch
(
reg
)
{
case
WM8770_RESET
:
return
true
;
default:
return
false
;
}
}
struct
wm8770_priv
{
enum
snd_soc_control_type
control_type
;
struct
regmap
*
regmap
;
struct
regulator_bulk_data
supplies
[
WM8770_NUM_SUPPLIES
];
struct
notifier_block
disable_nb
[
WM8770_NUM_SUPPLIES
];
struct
snd_soc_codec
*
codec
;
...
...
@@ -71,7 +105,7 @@ static int wm8770_regulator_event_##n(struct notifier_block *nb, \
struct wm8770_priv *wm8770 = container_of(nb, struct wm8770_priv, \
disable_nb[n]); \
if (event & REGULATOR_EVENT_DISABLE) { \
wm8770->codec->cache_sync = 1;
\
regcache_mark_dirty(wm8770->regmap);
\
} \
return 0; \
}
...
...
@@ -466,24 +500,6 @@ static int wm8770_set_sysclk(struct snd_soc_dai *dai,
return
0
;
}
static
void
wm8770_sync_cache
(
struct
snd_soc_codec
*
codec
)
{
int
i
;
u16
*
cache
;
if
(
!
codec
->
cache_sync
)
return
;
codec
->
cache_only
=
0
;
cache
=
codec
->
reg_cache
;
for
(
i
=
0
;
i
<
codec
->
driver
->
reg_cache_size
;
i
++
)
{
if
(
i
==
WM8770_RESET
||
cache
[
i
]
==
wm8770_reg_defs
[
i
])
continue
;
snd_soc_write
(
codec
,
i
,
cache
[
i
]);
}
codec
->
cache_sync
=
0
;
}
static
int
wm8770_set_bias_level
(
struct
snd_soc_codec
*
codec
,
enum
snd_soc_bias_level
level
)
{
...
...
@@ -507,7 +523,9 @@ static int wm8770_set_bias_level(struct snd_soc_codec *codec,
ret
);
return
ret
;
}
wm8770_sync_cache
(
codec
);
regcache_sync
(
wm8770
->
regmap
);
/* global powerup */
snd_soc_write
(
codec
,
WM8770_PWDNCTRL
,
0
);
}
...
...
@@ -554,68 +572,25 @@ static struct snd_soc_dai_driver wm8770_dai = {
.
symmetric_rates
=
1
};
#ifdef CONFIG_PM
static
int
wm8770_suspend
(
struct
snd_soc_codec
*
codec
)
{
wm8770_set_bias_level
(
codec
,
SND_SOC_BIAS_OFF
);
return
0
;
}
static
int
wm8770_resume
(
struct
snd_soc_codec
*
codec
)
{
wm8770_set_bias_level
(
codec
,
SND_SOC_BIAS_STANDBY
);
return
0
;
}
#else
#define wm8770_suspend NULL
#define wm8770_resume NULL
#endif
static
int
wm8770_probe
(
struct
snd_soc_codec
*
codec
)
{
struct
wm8770_priv
*
wm8770
;
int
ret
;
int
i
;
wm8770
=
snd_soc_codec_get_drvdata
(
codec
);
wm8770
->
codec
=
codec
;
ret
=
snd_soc_codec_set_cache_io
(
codec
,
7
,
9
,
wm8770
->
control_type
);
ret
=
snd_soc_codec_set_cache_io
(
codec
,
7
,
9
,
SND_SOC_REGMAP
);
if
(
ret
<
0
)
{
dev_err
(
codec
->
dev
,
"Failed to set cache I/O: %d
\n
"
,
ret
);
return
ret
;
}
for
(
i
=
0
;
i
<
ARRAY_SIZE
(
wm8770
->
supplies
);
i
++
)
wm8770
->
supplies
[
i
].
supply
=
wm8770_supply_names
[
i
];
ret
=
regulator_bulk_get
(
codec
->
dev
,
ARRAY_SIZE
(
wm8770
->
supplies
),
wm8770
->
supplies
);
if
(
ret
)
{
dev_err
(
codec
->
dev
,
"Failed to request supplies: %d
\n
"
,
ret
);
return
ret
;
}
wm8770
->
disable_nb
[
0
].
notifier_call
=
wm8770_regulator_event_0
;
wm8770
->
disable_nb
[
1
].
notifier_call
=
wm8770_regulator_event_1
;
wm8770
->
disable_nb
[
2
].
notifier_call
=
wm8770_regulator_event_2
;
/* This should really be moved into the regulator core */
for
(
i
=
0
;
i
<
ARRAY_SIZE
(
wm8770
->
supplies
);
i
++
)
{
ret
=
regulator_register_notifier
(
wm8770
->
supplies
[
i
].
consumer
,
&
wm8770
->
disable_nb
[
i
]);
if
(
ret
)
{
dev_err
(
codec
->
dev
,
"Failed to register regulator notifier: %d
\n
"
,
ret
);
}
}
ret
=
regulator_bulk_enable
(
ARRAY_SIZE
(
wm8770
->
supplies
),
wm8770
->
supplies
);
if
(
ret
)
{
dev_err
(
codec
->
dev
,
"Failed to enable supplies: %d
\n
"
,
ret
);
goto
err_reg_g
et
;
return
r
et
;
}
ret
=
wm8770_reset
(
codec
);
...
...
@@ -624,8 +599,6 @@ static int wm8770_probe(struct snd_soc_codec *codec)
goto
err_reg_enable
;
}
wm8770_set_bias_level
(
codec
,
SND_SOC_BIAS_STANDBY
);
/* latch the volume update bits */
snd_soc_update_bits
(
codec
,
WM8770_MSDIGVOL
,
0x100
,
0x100
);
snd_soc_update_bits
(
codec
,
WM8770_MSALGVOL
,
0x100
,
0x100
);
...
...
@@ -641,46 +614,22 @@ static int wm8770_probe(struct snd_soc_codec *codec)
/* mute all DACs */
snd_soc_update_bits
(
codec
,
WM8770_DACMUTE
,
0x10
,
0x10
);
snd_soc_add_codec_controls
(
codec
,
wm8770_snd_controls
,
ARRAY_SIZE
(
wm8770_snd_controls
));
snd_soc_dapm_new_controls
(
&
codec
->
dapm
,
wm8770_dapm_widgets
,
ARRAY_SIZE
(
wm8770_dapm_widgets
));
snd_soc_dapm_add_routes
(
&
codec
->
dapm
,
wm8770_intercon
,
ARRAY_SIZE
(
wm8770_intercon
));
return
0
;
err_reg_enable:
regulator_bulk_disable
(
ARRAY_SIZE
(
wm8770
->
supplies
),
wm8770
->
supplies
);
err_reg_get:
regulator_bulk_free
(
ARRAY_SIZE
(
wm8770
->
supplies
),
wm8770
->
supplies
);
return
ret
;
}
static
int
wm8770_remove
(
struct
snd_soc_codec
*
codec
)
{
struct
wm8770_priv
*
wm8770
;
int
i
;
wm8770
=
snd_soc_codec_get_drvdata
(
codec
);
wm8770_set_bias_level
(
codec
,
SND_SOC_BIAS_OFF
);
for
(
i
=
0
;
i
<
ARRAY_SIZE
(
wm8770
->
supplies
);
++
i
)
regulator_unregister_notifier
(
wm8770
->
supplies
[
i
].
consumer
,
&
wm8770
->
disable_nb
[
i
]);
regulator_bulk_free
(
ARRAY_SIZE
(
wm8770
->
supplies
),
wm8770
->
supplies
);
return
0
;
}
static
struct
snd_soc_codec_driver
soc_codec_dev_wm8770
=
{
.
probe
=
wm8770_probe
,
.
remove
=
wm8770_remove
,
.
suspend
=
wm8770_suspend
,
.
resume
=
wm8770_resume
,
.
set_bias_level
=
wm8770_set_bias_level
,
.
idle_bias_off
=
true
,
.
reg_cache_size
=
ARRAY_SIZE
(
wm8770_reg_defs
),
.
reg_word_size
=
sizeof
(
u16
),
.
reg_cache_default
=
wm8770_reg_defs
.
controls
=
wm8770_snd_controls
,
.
num_controls
=
ARRAY_SIZE
(
wm8770_snd_controls
),
.
dapm_widgets
=
wm8770_dapm_widgets
,
.
num_dapm_widgets
=
ARRAY_SIZE
(
wm8770_dapm_widgets
),
.
dapm_routes
=
wm8770_intercon
,
.
num_dapm_routes
=
ARRAY_SIZE
(
wm8770_intercon
),
};
static
const
struct
of_device_id
wm8770_of_match
[]
=
{
...
...
@@ -689,17 +638,57 @@ static const struct of_device_id wm8770_of_match[] = {
};
MODULE_DEVICE_TABLE
(
of
,
wm8770_of_match
);
static
const
struct
regmap_config
wm8770_regmap
=
{
.
reg_bits
=
7
,
.
val_bits
=
9
,
.
max_register
=
WM8770_RESET
,
.
reg_defaults
=
wm8770_reg_defaults
,
.
num_reg_defaults
=
ARRAY_SIZE
(
wm8770_reg_defaults
),
.
cache_type
=
REGCACHE_RBTREE
,
.
volatile_reg
=
wm8770_volatile_reg
,
};
static
int
__devinit
wm8770_spi_probe
(
struct
spi_device
*
spi
)
{
struct
wm8770_priv
*
wm8770
;
int
ret
;
int
ret
,
i
;
wm8770
=
devm_kzalloc
(
&
spi
->
dev
,
sizeof
(
struct
wm8770_priv
),
GFP_KERNEL
);
if
(
!
wm8770
)
return
-
ENOMEM
;
wm8770
->
control_type
=
SND_SOC_SPI
;
for
(
i
=
0
;
i
<
ARRAY_SIZE
(
wm8770
->
supplies
);
i
++
)
wm8770
->
supplies
[
i
].
supply
=
wm8770_supply_names
[
i
];
ret
=
devm_regulator_bulk_get
(
&
spi
->
dev
,
ARRAY_SIZE
(
wm8770
->
supplies
),
wm8770
->
supplies
);
if
(
ret
)
{
dev_err
(
&
spi
->
dev
,
"Failed to request supplies: %d
\n
"
,
ret
);
return
ret
;
}
wm8770
->
disable_nb
[
0
].
notifier_call
=
wm8770_regulator_event_0
;
wm8770
->
disable_nb
[
1
].
notifier_call
=
wm8770_regulator_event_1
;
wm8770
->
disable_nb
[
2
].
notifier_call
=
wm8770_regulator_event_2
;
/* This should really be moved into the regulator core */
for
(
i
=
0
;
i
<
ARRAY_SIZE
(
wm8770
->
supplies
);
i
++
)
{
ret
=
regulator_register_notifier
(
wm8770
->
supplies
[
i
].
consumer
,
&
wm8770
->
disable_nb
[
i
]);
if
(
ret
)
{
dev_err
(
&
spi
->
dev
,
"Failed to register regulator notifier: %d
\n
"
,
ret
);
}
}
wm8770
->
regmap
=
devm_regmap_init_spi
(
spi
,
&
wm8770_regmap
);
if
(
IS_ERR
(
wm8770
->
regmap
))
return
PTR_ERR
(
wm8770
->
regmap
);
spi_set_drvdata
(
spi
,
wm8770
);
ret
=
snd_soc_register_codec
(
&
spi
->
dev
,
...
...
@@ -710,7 +699,15 @@ static int __devinit wm8770_spi_probe(struct spi_device *spi)
static
int
__devexit
wm8770_spi_remove
(
struct
spi_device
*
spi
)
{
struct
wm8770_priv
*
wm8770
=
spi_get_drvdata
(
spi
);
int
i
;
for
(
i
=
0
;
i
<
ARRAY_SIZE
(
wm8770
->
supplies
);
++
i
)
regulator_unregister_notifier
(
wm8770
->
supplies
[
i
].
consumer
,
&
wm8770
->
disable_nb
[
i
]);
snd_soc_unregister_codec
(
&
spi
->
dev
);
return
0
;
}
...
...
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