Skip to content
Projects
Groups
Snippets
Help
Loading...
Help
Support
Keyboard shortcuts
?
Submit feedback
Contribute to GitLab
Sign in / Register
Toggle navigation
L
linux
Project overview
Project overview
Details
Activity
Releases
Repository
Repository
Files
Commits
Branches
Tags
Contributors
Graph
Compare
Issues
0
Issues
0
List
Boards
Labels
Milestones
Merge Requests
0
Merge Requests
0
Analytics
Analytics
Repository
Value Stream
Wiki
Wiki
Snippets
Snippets
Members
Members
Collapse sidebar
Close sidebar
Activity
Graph
Create a new issue
Commits
Issue Boards
Open sidebar
Kirill Smelkov
linux
Commits
1ecf4450
Commit
1ecf4450
authored
Jun 03, 2014
by
Mark Brown
Browse files
Options
Browse Files
Download
Plain Diff
Merge remote-tracking branch 'asoc/topic/fsl-ssi' into asoc-next
parents
641783ac
287d414e
Changes
3
Hide whitespace changes
Inline
Side-by-side
Showing
3 changed files
with
363 additions
and
271 deletions
+363
-271
sound/soc/fsl/Kconfig
sound/soc/fsl/Kconfig
+2
-6
sound/soc/fsl/fsl_ssi.c
sound/soc/fsl/fsl_ssi.c
+337
-239
sound/soc/fsl/fsl_ssi.h
sound/soc/fsl/fsl_ssi.h
+24
-26
No files found.
sound/soc/fsl/Kconfig
View file @
1ecf4450
...
@@ -16,6 +16,7 @@ config SND_SOC_FSL_SSI
...
@@ -16,6 +16,7 @@ config SND_SOC_FSL_SSI
tristate "Synchronous Serial Interface module support"
tristate "Synchronous Serial Interface module support"
select SND_SOC_IMX_PCM_DMA if SND_IMX_SOC != n
select SND_SOC_IMX_PCM_DMA if SND_IMX_SOC != n
select SND_SOC_IMX_PCM_FIQ if SND_IMX_SOC != n && ARCH_MXC
select SND_SOC_IMX_PCM_FIQ if SND_IMX_SOC != n && ARCH_MXC
select REGMAP_MMIO
help
help
Say Y if you want to add Synchronous Serial Interface (SSI)
Say Y if you want to add Synchronous Serial Interface (SSI)
support for the Freescale CPUs.
support for the Freescale CPUs.
...
@@ -207,12 +208,7 @@ config SND_SOC_PHYCORE_AC97
...
@@ -207,12 +208,7 @@ config SND_SOC_PHYCORE_AC97
config SND_SOC_EUKREA_TLV320
config SND_SOC_EUKREA_TLV320
tristate "Eukrea TLV320"
tristate "Eukrea TLV320"
depends on MACH_EUKREA_MBIMX27_BASEBOARD \
depends on ARCH_MXC && I2C
|| MACH_EUKREA_MBIMXSD25_BASEBOARD \
|| MACH_EUKREA_MBIMXSD35_BASEBOARD \
|| MACH_EUKREA_MBIMXSD51_BASEBOARD \
|| (OF && ARM)
depends on I2C
select SND_SOC_TLV320AIC23_I2C
select SND_SOC_TLV320AIC23_I2C
select SND_SOC_IMX_AUDMUX
select SND_SOC_IMX_AUDMUX
select SND_SOC_IMX_SSI
select SND_SOC_IMX_SSI
...
...
sound/soc/fsl/fsl_ssi.c
View file @
1ecf4450
...
@@ -54,25 +54,6 @@
...
@@ -54,25 +54,6 @@
#include "fsl_ssi.h"
#include "fsl_ssi.h"
#include "imx-pcm.h"
#include "imx-pcm.h"
#ifdef PPC
#define read_ssi(addr) in_be32(addr)
#define write_ssi(val, addr) out_be32(addr, val)
#define write_ssi_mask(addr, clear, set) clrsetbits_be32(addr, clear, set)
#else
#define read_ssi(addr) readl(addr)
#define write_ssi(val, addr) writel(val, addr)
/*
* FIXME: Proper locking should be added at write_ssi_mask caller level
* to ensure this register read/modify/write sequence is race free.
*/
static
inline
void
write_ssi_mask
(
u32
__iomem
*
addr
,
u32
clear
,
u32
set
)
{
u32
val
=
readl
(
addr
);
val
=
(
val
&
~
clear
)
|
set
;
writel
(
val
,
addr
);
}
#endif
/**
/**
* FSLSSI_I2S_RATES: sample rates supported by the I2S
* FSLSSI_I2S_RATES: sample rates supported by the I2S
*
*
...
@@ -132,72 +113,86 @@ struct fsl_ssi_rxtx_reg_val {
...
@@ -132,72 +113,86 @@ struct fsl_ssi_rxtx_reg_val {
struct
fsl_ssi_reg_val
rx
;
struct
fsl_ssi_reg_val
rx
;
struct
fsl_ssi_reg_val
tx
;
struct
fsl_ssi_reg_val
tx
;
};
};
static
const
struct
regmap_config
fsl_ssi_regconfig
=
{
.
max_register
=
CCSR_SSI_SACCDIS
,
.
reg_bits
=
32
,
.
val_bits
=
32
,
.
reg_stride
=
4
,
.
val_format_endian
=
REGMAP_ENDIAN_NATIVE
,
};
struct
fsl_ssi_soc_data
{
bool
imx
;
bool
offline_config
;
u32
sisr_write_mask
;
};
/**
/**
* fsl_ssi_private: per-SSI private data
* fsl_ssi_private: per-SSI private data
*
*
* @ssi: pointer to the SSI's registers
* @reg: Pointer to the regmap registers
* @ssi_phys: physical address of the SSI registers
* @irq: IRQ of this SSI
* @irq: IRQ of this SSI
* @playback: the number of playback streams opened
* @cpu_dai_drv: CPU DAI driver for this device
* @capture: the number of capture streams opened
*
* @cpu_dai: the CPU DAI for this device
* @dai_fmt: DAI configuration this device is currently used with
* @dev_attr: the sysfs device attribute structure
* @i2s_mode: i2s and network mode configuration of the device. Is used to
* @stats: SSI statistics
* switch between normal and i2s/network mode
* mode depending on the number of channels
* @use_dma: DMA is used or FIQ with stream filter
* @use_dual_fifo: DMA with support for both FIFOs used
* @fifo_deph: Depth of the SSI FIFOs
* @rxtx_reg_val: Specific register settings for receive/transmit configuration
*
* @clk: SSI clock
* @baudclk: SSI baud clock for master mode
* @baudclk_streams: Active streams that are using baudclk
* @bitclk_freq: bitclock frequency set by .set_dai_sysclk
*
* @dma_params_tx: DMA transmit parameters
* @dma_params_rx: DMA receive parameters
* @ssi_phys: physical address of the SSI registers
*
* @fiq_params: FIQ stream filtering parameters
*
* @pdev: Pointer to pdev used for deprecated fsl-ssi sound card
*
* @dbg_stats: Debugging statistics
*
* @soc: SoC specifc data
*/
*/
struct
fsl_ssi_private
{
struct
fsl_ssi_private
{
struct
ccsr_ssi
__iomem
*
ssi
;
struct
regmap
*
regs
;
dma_addr_t
ssi_phys
;
unsigned
int
irq
;
unsigned
int
irq
;
unsigned
int
fifo_depth
;
struct
snd_soc_dai_driver
cpu_dai_drv
;
struct
snd_soc_dai_driver
cpu_dai_drv
;
struct
platform_device
*
pdev
;
unsigned
int
dai_fmt
;
enum
fsl_ssi_type
hw_type
;
unsigned
int
dai_fmt
;
u8
i2s_mode
;
bool
use_dma
;
bool
use_dma
;
bool
baudclk_locked
;
bool
use_dual_fifo
;
bool
use_dual_fifo
;
u
8
i2s_mode
;
u
nsigned
int
fifo_depth
;
s
pinlock_t
baudclk_lock
;
s
truct
fsl_ssi_rxtx_reg_val
rxtx_reg_val
;
struct
clk
*
baudclk
;
struct
clk
*
clk
;
struct
clk
*
clk
;
struct
clk
*
baudclk
;
unsigned
int
baudclk_streams
;
unsigned
int
bitclk_freq
;
/* DMA params */
struct
snd_dmaengine_dai_dma_data
dma_params_tx
;
struct
snd_dmaengine_dai_dma_data
dma_params_tx
;
struct
snd_dmaengine_dai_dma_data
dma_params_rx
;
struct
snd_dmaengine_dai_dma_data
dma_params_rx
;
dma_addr_t
ssi_phys
;
/* params for non-dma FIQ stream filtered mode */
struct
imx_pcm_fiq_params
fiq_params
;
struct
imx_pcm_fiq_params
fiq_params
;
/* Register values for rx/tx configuration */
struct
fsl_ssi_rxtx_reg_val
rxtx_reg_val
;
/* Used when using fsl-ssi as sound-card. This is only used by ppc and
* should be replaced with simple-sound-card. */
struct
platform_device
*
pdev
;
struct
fsl_ssi_dbg
dbg_stats
;
struct
fsl_ssi_dbg
dbg_stats
;
};
static
const
struct
of_device_id
fsl_ssi_ids
[]
=
{
const
struct
fsl_ssi_soc_data
*
soc
;
{
.
compatible
=
"fsl,mpc8610-ssi"
,
.
data
=
(
void
*
)
FSL_SSI_MCP8610
},
{
.
compatible
=
"fsl,imx51-ssi"
,
.
data
=
(
void
*
)
FSL_SSI_MX51
},
{
.
compatible
=
"fsl,imx35-ssi"
,
.
data
=
(
void
*
)
FSL_SSI_MX35
},
{
.
compatible
=
"fsl,imx21-ssi"
,
.
data
=
(
void
*
)
FSL_SSI_MX21
},
{}
};
};
MODULE_DEVICE_TABLE
(
of
,
fsl_ssi_ids
);
static
bool
fsl_ssi_is_ac97
(
struct
fsl_ssi_private
*
ssi_private
)
{
return
!!
(
ssi_private
->
dai_fmt
&
SND_SOC_DAIFMT_AC97
);
}
static
bool
fsl_ssi_on_imx
(
struct
fsl_ssi_private
*
ssi_private
)
{
switch
(
ssi_private
->
hw_type
)
{
case
FSL_SSI_MX21
:
case
FSL_SSI_MX35
:
case
FSL_SSI_MX51
:
return
true
;
case
FSL_SSI_MCP8610
:
return
false
;
}
return
false
;
}
/*
/*
* imx51 and later SoCs have a slightly different IP that allows the
* imx51 and later SoCs have a slightly different IP that allows the
...
@@ -214,18 +209,54 @@ static bool fsl_ssi_on_imx(struct fsl_ssi_private *ssi_private)
...
@@ -214,18 +209,54 @@ static bool fsl_ssi_on_imx(struct fsl_ssi_private *ssi_private)
* while the SSI unit is running (SSIEN). So we support the necessary
* while the SSI unit is running (SSIEN). So we support the necessary
* online configuration of fsl-ssi starting at imx51.
* online configuration of fsl-ssi starting at imx51.
*/
*/
static
bool
fsl_ssi_offline_config
(
struct
fsl_ssi_private
*
ssi_private
)
static
struct
fsl_ssi_soc_data
fsl_ssi_mpc8610
=
{
.
imx
=
false
,
.
offline_config
=
true
,
.
sisr_write_mask
=
CCSR_SSI_SISR_RFRC
|
CCSR_SSI_SISR_TFRC
|
CCSR_SSI_SISR_ROE0
|
CCSR_SSI_SISR_ROE1
|
CCSR_SSI_SISR_TUE0
|
CCSR_SSI_SISR_TUE1
,
};
static
struct
fsl_ssi_soc_data
fsl_ssi_imx21
=
{
.
imx
=
true
,
.
offline_config
=
true
,
.
sisr_write_mask
=
0
,
};
static
struct
fsl_ssi_soc_data
fsl_ssi_imx35
=
{
.
imx
=
true
,
.
offline_config
=
true
,
.
sisr_write_mask
=
CCSR_SSI_SISR_RFRC
|
CCSR_SSI_SISR_TFRC
|
CCSR_SSI_SISR_ROE0
|
CCSR_SSI_SISR_ROE1
|
CCSR_SSI_SISR_TUE0
|
CCSR_SSI_SISR_TUE1
,
};
static
struct
fsl_ssi_soc_data
fsl_ssi_imx51
=
{
.
imx
=
true
,
.
offline_config
=
false
,
.
sisr_write_mask
=
CCSR_SSI_SISR_ROE0
|
CCSR_SSI_SISR_ROE1
|
CCSR_SSI_SISR_TUE0
|
CCSR_SSI_SISR_TUE1
,
};
static
const
struct
of_device_id
fsl_ssi_ids
[]
=
{
{
.
compatible
=
"fsl,mpc8610-ssi"
,
.
data
=
&
fsl_ssi_mpc8610
},
{
.
compatible
=
"fsl,imx51-ssi"
,
.
data
=
&
fsl_ssi_imx51
},
{
.
compatible
=
"fsl,imx35-ssi"
,
.
data
=
&
fsl_ssi_imx35
},
{
.
compatible
=
"fsl,imx21-ssi"
,
.
data
=
&
fsl_ssi_imx21
},
{}
};
MODULE_DEVICE_TABLE
(
of
,
fsl_ssi_ids
);
static
bool
fsl_ssi_is_ac97
(
struct
fsl_ssi_private
*
ssi_private
)
{
{
switch
(
ssi_private
->
hw_type
)
{
return
!!
(
ssi_private
->
dai_fmt
&
SND_SOC_DAIFMT_AC97
);
case
FSL_SSI_MCP8610
:
}
case
FSL_SSI_MX21
:
case
FSL_SSI_MX35
:
return
true
;
case
FSL_SSI_MX51
:
return
false
;
}
return
true
;
static
bool
fsl_ssi_is_i2s_master
(
struct
fsl_ssi_private
*
ssi_private
)
{
return
(
ssi_private
->
dai_fmt
&
SND_SOC_DAIFMT_MASTER_MASK
)
==
SND_SOC_DAIFMT_CBS_CFS
;
}
}
/**
/**
...
@@ -243,39 +274,20 @@ static bool fsl_ssi_offline_config(struct fsl_ssi_private *ssi_private)
...
@@ -243,39 +274,20 @@ static bool fsl_ssi_offline_config(struct fsl_ssi_private *ssi_private)
static
irqreturn_t
fsl_ssi_isr
(
int
irq
,
void
*
dev_id
)
static
irqreturn_t
fsl_ssi_isr
(
int
irq
,
void
*
dev_id
)
{
{
struct
fsl_ssi_private
*
ssi_private
=
dev_id
;
struct
fsl_ssi_private
*
ssi_private
=
dev_id
;
struct
ccsr_ssi
__iomem
*
ssi
=
ssi_private
->
ssi
;
struct
regmap
*
regs
=
ssi_private
->
regs
;
__be32
sisr
;
__be32
sisr
;
__be32
sisr2
;
__be32
sisr2
;
__be32
sisr_write_mask
=
0
;
switch
(
ssi_private
->
hw_type
)
{
case
FSL_SSI_MX21
:
sisr_write_mask
=
0
;
break
;
case
FSL_SSI_MCP8610
:
case
FSL_SSI_MX35
:
sisr_write_mask
=
CCSR_SSI_SISR_RFRC
|
CCSR_SSI_SISR_TFRC
|
CCSR_SSI_SISR_ROE0
|
CCSR_SSI_SISR_ROE1
|
CCSR_SSI_SISR_TUE0
|
CCSR_SSI_SISR_TUE1
;
break
;
case
FSL_SSI_MX51
:
sisr_write_mask
=
CCSR_SSI_SISR_ROE0
|
CCSR_SSI_SISR_ROE1
|
CCSR_SSI_SISR_TUE0
|
CCSR_SSI_SISR_TUE1
;
break
;
}
/* We got an interrupt, so read the status register to see what we
/* We got an interrupt, so read the status register to see what we
were interrupted for. We mask it with the Interrupt Enable register
were interrupted for. We mask it with the Interrupt Enable register
so that we only check for events that we're interested in.
so that we only check for events that we're interested in.
*/
*/
sisr
=
read_ssi
(
&
ssi
->
sisr
);
regmap_read
(
regs
,
CCSR_SSI_SISR
,
&
sisr
);
sisr2
=
sisr
&
sisr_write_mask
;
sisr2
=
sisr
&
s
si_private
->
soc
->
s
isr_write_mask
;
/* Clear the bits that we set */
/* Clear the bits that we set */
if
(
sisr2
)
if
(
sisr2
)
write_ssi
(
sisr2
,
&
ssi
->
sisr
);
regmap_write
(
regs
,
CCSR_SSI_SISR
,
sisr2
);
fsl_ssi_dbg_isr
(
&
ssi_private
->
dbg_stats
,
sisr
);
fsl_ssi_dbg_isr
(
&
ssi_private
->
dbg_stats
,
sisr
);
...
@@ -288,17 +300,26 @@ static irqreturn_t fsl_ssi_isr(int irq, void *dev_id)
...
@@ -288,17 +300,26 @@ static irqreturn_t fsl_ssi_isr(int irq, void *dev_id)
static
void
fsl_ssi_rxtx_config
(
struct
fsl_ssi_private
*
ssi_private
,
static
void
fsl_ssi_rxtx_config
(
struct
fsl_ssi_private
*
ssi_private
,
bool
enable
)
bool
enable
)
{
{
struct
ccsr_ssi
__iomem
*
ssi
=
ssi_private
->
ssi
;
struct
regmap
*
regs
=
ssi_private
->
regs
;
struct
fsl_ssi_rxtx_reg_val
*
vals
=
&
ssi_private
->
rxtx_reg_val
;
struct
fsl_ssi_rxtx_reg_val
*
vals
=
&
ssi_private
->
rxtx_reg_val
;
if
(
enable
)
{
if
(
enable
)
{
write_ssi_mask
(
&
ssi
->
sier
,
0
,
vals
->
rx
.
sier
|
vals
->
tx
.
sier
);
regmap_update_bits
(
regs
,
CCSR_SSI_SIER
,
write_ssi_mask
(
&
ssi
->
srcr
,
0
,
vals
->
rx
.
srcr
|
vals
->
tx
.
srcr
);
vals
->
rx
.
sier
|
vals
->
tx
.
sier
,
write_ssi_mask
(
&
ssi
->
stcr
,
0
,
vals
->
rx
.
stcr
|
vals
->
tx
.
stcr
);
vals
->
rx
.
sier
|
vals
->
tx
.
sier
);
regmap_update_bits
(
regs
,
CCSR_SSI_SRCR
,
vals
->
rx
.
srcr
|
vals
->
tx
.
srcr
,
vals
->
rx
.
srcr
|
vals
->
tx
.
srcr
);
regmap_update_bits
(
regs
,
CCSR_SSI_STCR
,
vals
->
rx
.
stcr
|
vals
->
tx
.
stcr
,
vals
->
rx
.
stcr
|
vals
->
tx
.
stcr
);
}
else
{
}
else
{
write_ssi_mask
(
&
ssi
->
srcr
,
vals
->
rx
.
srcr
|
vals
->
tx
.
srcr
,
0
);
regmap_update_bits
(
regs
,
CCSR_SSI_SRCR
,
write_ssi_mask
(
&
ssi
->
stcr
,
vals
->
rx
.
stcr
|
vals
->
tx
.
stcr
,
0
);
vals
->
rx
.
srcr
|
vals
->
tx
.
srcr
,
0
);
write_ssi_mask
(
&
ssi
->
sier
,
vals
->
rx
.
sier
|
vals
->
tx
.
sier
,
0
);
regmap_update_bits
(
regs
,
CCSR_SSI_STCR
,
vals
->
rx
.
stcr
|
vals
->
tx
.
stcr
,
0
);
regmap_update_bits
(
regs
,
CCSR_SSI_SIER
,
vals
->
rx
.
sier
|
vals
->
tx
.
sier
,
0
);
}
}
}
}
...
@@ -329,13 +350,17 @@ static void fsl_ssi_rxtx_config(struct fsl_ssi_private *ssi_private,
...
@@ -329,13 +350,17 @@ static void fsl_ssi_rxtx_config(struct fsl_ssi_private *ssi_private,
static
void
fsl_ssi_config
(
struct
fsl_ssi_private
*
ssi_private
,
bool
enable
,
static
void
fsl_ssi_config
(
struct
fsl_ssi_private
*
ssi_private
,
bool
enable
,
struct
fsl_ssi_reg_val
*
vals
)
struct
fsl_ssi_reg_val
*
vals
)
{
{
struct
ccsr_ssi
__iomem
*
ssi
=
ssi_private
->
ssi
;
struct
regmap
*
regs
=
ssi_private
->
regs
;
struct
fsl_ssi_reg_val
*
avals
;
struct
fsl_ssi_reg_val
*
avals
;
u32
scr_val
=
read_ssi
(
&
ssi
->
scr
);
int
nr_active_streams
;
int
nr_active_streams
=
!!
(
scr_val
&
CCSR_SSI_SCR_TE
)
+
u32
scr_val
;
!!
(
scr_val
&
CCSR_SSI_SCR_RE
);
int
keep_active
;
int
keep_active
;
regmap_read
(
regs
,
CCSR_SSI_SCR
,
&
scr_val
);
nr_active_streams
=
!!
(
scr_val
&
CCSR_SSI_SCR_TE
)
+
!!
(
scr_val
&
CCSR_SSI_SCR_RE
);
if
(
nr_active_streams
-
1
>
0
)
if
(
nr_active_streams
-
1
>
0
)
keep_active
=
1
;
keep_active
=
1
;
else
else
...
@@ -352,7 +377,7 @@ static void fsl_ssi_config(struct fsl_ssi_private *ssi_private, bool enable,
...
@@ -352,7 +377,7 @@ static void fsl_ssi_config(struct fsl_ssi_private *ssi_private, bool enable,
if
(
!
enable
)
{
if
(
!
enable
)
{
u32
scr
=
fsl_ssi_disable_val
(
vals
->
scr
,
avals
->
scr
,
u32
scr
=
fsl_ssi_disable_val
(
vals
->
scr
,
avals
->
scr
,
keep_active
);
keep_active
);
write_ssi_mask
(
&
ssi
->
scr
,
scr
,
0
);
regmap_update_bits
(
regs
,
CCSR_SSI_SCR
,
scr
,
0
);
}
}
/*
/*
...
@@ -360,7 +385,7 @@ static void fsl_ssi_config(struct fsl_ssi_private *ssi_private, bool enable,
...
@@ -360,7 +385,7 @@ static void fsl_ssi_config(struct fsl_ssi_private *ssi_private, bool enable,
* reconfiguration, so we have to enable all necessary flags at once
* reconfiguration, so we have to enable all necessary flags at once
* even if we do not use them later (capture and playback configuration)
* even if we do not use them later (capture and playback configuration)
*/
*/
if
(
fsl_ssi_offline_config
(
ssi_private
)
)
{
if
(
ssi_private
->
soc
->
offline_config
)
{
if
((
enable
&&
!
nr_active_streams
)
||
if
((
enable
&&
!
nr_active_streams
)
||
(
!
enable
&&
!
keep_active
))
(
!
enable
&&
!
keep_active
))
fsl_ssi_rxtx_config
(
ssi_private
,
enable
);
fsl_ssi_rxtx_config
(
ssi_private
,
enable
);
...
@@ -373,9 +398,9 @@ static void fsl_ssi_config(struct fsl_ssi_private *ssi_private, bool enable,
...
@@ -373,9 +398,9 @@ static void fsl_ssi_config(struct fsl_ssi_private *ssi_private, bool enable,
* (online configuration)
* (online configuration)
*/
*/
if
(
enable
)
{
if
(
enable
)
{
write_ssi_mask
(
&
ssi
->
sier
,
0
,
vals
->
sier
);
regmap_update_bits
(
regs
,
CCSR_SSI_SIER
,
vals
->
sier
,
vals
->
sier
);
write_ssi_mask
(
&
ssi
->
srcr
,
0
,
vals
->
srcr
);
regmap_update_bits
(
regs
,
CCSR_SSI_SRCR
,
vals
->
srcr
,
vals
->
srcr
);
write_ssi_mask
(
&
ssi
->
stcr
,
0
,
vals
->
stcr
);
regmap_update_bits
(
regs
,
CCSR_SSI_STCR
,
vals
->
stcr
,
vals
->
stcr
);
}
else
{
}
else
{
u32
sier
;
u32
sier
;
u32
srcr
;
u32
srcr
;
...
@@ -398,15 +423,15 @@ static void fsl_ssi_config(struct fsl_ssi_private *ssi_private, bool enable,
...
@@ -398,15 +423,15 @@ static void fsl_ssi_config(struct fsl_ssi_private *ssi_private, bool enable,
stcr
=
fsl_ssi_disable_val
(
vals
->
stcr
,
avals
->
stcr
,
stcr
=
fsl_ssi_disable_val
(
vals
->
stcr
,
avals
->
stcr
,
keep_active
);
keep_active
);
write_ssi_mask
(
&
ssi
->
srcr
,
srcr
,
0
);
regmap_update_bits
(
regs
,
CCSR_SSI_SRCR
,
srcr
,
0
);
write_ssi_mask
(
&
ssi
->
stcr
,
stcr
,
0
);
regmap_update_bits
(
regs
,
CCSR_SSI_STCR
,
stcr
,
0
);
write_ssi_mask
(
&
ssi
->
sier
,
sier
,
0
);
regmap_update_bits
(
regs
,
CCSR_SSI_SIER
,
sier
,
0
);
}
}
config_done:
config_done:
/* Enabling of subunits is done after configuration */
/* Enabling of subunits is done after configuration */
if
(
enable
)
if
(
enable
)
write_ssi_mask
(
&
ssi
->
scr
,
0
,
vals
->
scr
);
regmap_update_bits
(
regs
,
CCSR_SSI_SCR
,
vals
->
scr
,
vals
->
scr
);
}
}
...
@@ -457,32 +482,33 @@ static void fsl_ssi_setup_reg_vals(struct fsl_ssi_private *ssi_private)
...
@@ -457,32 +482,33 @@ static void fsl_ssi_setup_reg_vals(struct fsl_ssi_private *ssi_private)
static
void
fsl_ssi_setup_ac97
(
struct
fsl_ssi_private
*
ssi_private
)
static
void
fsl_ssi_setup_ac97
(
struct
fsl_ssi_private
*
ssi_private
)
{
{
struct
ccsr_ssi
__iomem
*
ssi
=
ssi_private
->
ssi
;
struct
regmap
*
regs
=
ssi_private
->
regs
;
/*
/*
* Setup the clock control register
* Setup the clock control register
*/
*/
write_ssi
(
CCSR_SSI_SxCCR_WL
(
17
)
|
CCSR_SSI_SxCCR_DC
(
13
)
,
regmap_write
(
regs
,
CCSR_SSI_STCCR
,
&
ssi
->
stccr
);
CCSR_SSI_SxCCR_WL
(
17
)
|
CCSR_SSI_SxCCR_DC
(
13
)
);
write_ssi
(
CCSR_SSI_SxCCR_WL
(
17
)
|
CCSR_SSI_SxCCR_DC
(
13
)
,
regmap_write
(
regs
,
CCSR_SSI_SRCCR
,
&
ssi
->
srccr
);
CCSR_SSI_SxCCR_WL
(
17
)
|
CCSR_SSI_SxCCR_DC
(
13
)
);
/*
/*
* Enable AC97 mode and startup the SSI
* Enable AC97 mode and startup the SSI
*/
*/
write_ssi
(
CCSR_SSI_SACNT_AC97EN
|
CCSR_SSI_SACNT_FV
,
regmap_write
(
regs
,
CCSR_SSI_SACNT
,
&
ssi
->
sacnt
);
CCSR_SSI_SACNT_AC97EN
|
CCSR_SSI_SACNT_FV
);
write_ssi
(
0xff
,
&
ssi
->
saccdis
);
regmap_write
(
regs
,
CCSR_SSI_SACCDIS
,
0xff
);
write_ssi
(
0x300
,
&
ssi
->
saccen
);
regmap_write
(
regs
,
CCSR_SSI_SACCEN
,
0x300
);
/*
/*
* Enable SSI, Transmit and Receive. AC97 has to communicate with the
* Enable SSI, Transmit and Receive. AC97 has to communicate with the
* codec before a stream is started.
* codec before a stream is started.
*/
*/
write_ssi_mask
(
&
ssi
->
scr
,
0
,
CCSR_SSI_SCR_SSIEN
|
regmap_update_bits
(
regs
,
CCSR_SSI_SCR
,
CCSR_SSI_SCR_TE
|
CCSR_SSI_SCR_RE
);
CCSR_SSI_SCR_SSIEN
|
CCSR_SSI_SCR_TE
|
CCSR_SSI_SCR_RE
,
CCSR_SSI_SCR_SSIEN
|
CCSR_SSI_SCR_TE
|
CCSR_SSI_SCR_RE
);
write_ssi
(
CCSR_SSI_SOR_WAIT
(
3
),
&
ssi
->
sor
);
regmap_write
(
regs
,
CCSR_SSI_SOR
,
CCSR_SSI_SOR_WAIT
(
3
)
);
}
}
/**
/**
...
@@ -499,13 +525,6 @@ static int fsl_ssi_startup(struct snd_pcm_substream *substream,
...
@@ -499,13 +525,6 @@ static int fsl_ssi_startup(struct snd_pcm_substream *substream,
struct
snd_soc_pcm_runtime
*
rtd
=
substream
->
private_data
;
struct
snd_soc_pcm_runtime
*
rtd
=
substream
->
private_data
;
struct
fsl_ssi_private
*
ssi_private
=
struct
fsl_ssi_private
*
ssi_private
=
snd_soc_dai_get_drvdata
(
rtd
->
cpu_dai
);
snd_soc_dai_get_drvdata
(
rtd
->
cpu_dai
);
unsigned
long
flags
;
if
(
!
dai
->
active
&&
!
fsl_ssi_is_ac97
(
ssi_private
))
{
spin_lock_irqsave
(
&
ssi_private
->
baudclk_lock
,
flags
);
ssi_private
->
baudclk_locked
=
false
;
spin_unlock_irqrestore
(
&
ssi_private
->
baudclk_lock
,
flags
);
}
/* When using dual fifo mode, it is safer to ensure an even period
/* When using dual fifo mode, it is safer to ensure an even period
* size. If appearing to an odd number while DMA always starts its
* size. If appearing to an odd number while DMA always starts its
...
@@ -520,7 +539,7 @@ static int fsl_ssi_startup(struct snd_pcm_substream *substream,
...
@@ -520,7 +539,7 @@ static int fsl_ssi_startup(struct snd_pcm_substream *substream,
}
}
/**
/**
* fsl_ssi_set_
dai_sys
clk - configure Digital Audio Interface bit clock
* fsl_ssi_set_
b
clk - configure Digital Audio Interface bit clock
*
*
* Note: This function can be only called when using SSI as DAI master
* Note: This function can be only called when using SSI as DAI master
*
*
...
@@ -528,20 +547,31 @@ static int fsl_ssi_startup(struct snd_pcm_substream *substream,
...
@@ -528,20 +547,31 @@ static int fsl_ssi_startup(struct snd_pcm_substream *substream,
* freq: Output BCLK frequency = samplerate * 32 (fixed) * channels
* freq: Output BCLK frequency = samplerate * 32 (fixed) * channels
* dir: SND_SOC_CLOCK_OUT -> TxBCLK, SND_SOC_CLOCK_IN -> RxBCLK.
* dir: SND_SOC_CLOCK_OUT -> TxBCLK, SND_SOC_CLOCK_IN -> RxBCLK.
*/
*/
static
int
fsl_ssi_set_dai_sysclk
(
struct
snd_soc_dai
*
cpu_dai
,
static
int
fsl_ssi_set_bclk
(
struct
snd_pcm_substream
*
substream
,
int
clk_id
,
unsigned
int
freq
,
int
dir
)
struct
snd_soc_dai
*
cpu_dai
,
struct
snd_pcm_hw_params
*
hw_params
)
{
{
struct
fsl_ssi_private
*
ssi_private
=
snd_soc_dai_get_drvdata
(
cpu_dai
);
struct
fsl_ssi_private
*
ssi_private
=
snd_soc_dai_get_drvdata
(
cpu_dai
);
struct
ccsr_ssi
__iomem
*
ssi
=
ssi_private
->
ssi
;
struct
regmap
*
regs
=
ssi_private
->
regs
;
int
synchronous
=
ssi_private
->
cpu_dai_drv
.
symmetric_rates
,
ret
;
int
synchronous
=
ssi_private
->
cpu_dai_drv
.
symmetric_rates
,
ret
;
u32
pm
=
999
,
div2
,
psr
,
stccr
,
mask
,
afreq
,
factor
,
i
;
u32
pm
=
999
,
div2
,
psr
,
stccr
,
mask
,
afreq
,
factor
,
i
;
unsigned
long
flags
,
clkrate
,
baudrate
,
tmprate
;
unsigned
long
clkrate
,
baudrate
,
tmprate
;
u64
sub
,
savesub
=
100000
;
u64
sub
,
savesub
=
100000
;
unsigned
int
freq
;
bool
baudclk_is_used
;
/* Prefer the explicitly set bitclock frequency */
if
(
ssi_private
->
bitclk_freq
)
freq
=
ssi_private
->
bitclk_freq
;
else
freq
=
params_channels
(
hw_params
)
*
32
*
params_rate
(
hw_params
);
/* Don't apply it to any non-baudclk circumstance */
/* Don't apply it to any non-baudclk circumstance */
if
(
IS_ERR
(
ssi_private
->
baudclk
))
if
(
IS_ERR
(
ssi_private
->
baudclk
))
return
-
EINVAL
;
return
-
EINVAL
;
baudclk_is_used
=
ssi_private
->
baudclk_streams
&
~
(
BIT
(
substream
->
stream
));
/* It should be already enough to divide clock by setting pm alone */
/* It should be already enough to divide clock by setting pm alone */
psr
=
0
;
psr
=
0
;
div2
=
0
;
div2
=
0
;
...
@@ -554,7 +584,11 @@ static int fsl_ssi_set_dai_sysclk(struct snd_soc_dai *cpu_dai,
...
@@ -554,7 +584,11 @@ static int fsl_ssi_set_dai_sysclk(struct snd_soc_dai *cpu_dai,
continue
;
continue
;
tmprate
=
freq
*
factor
*
(
i
+
2
);
tmprate
=
freq
*
factor
*
(
i
+
2
);
clkrate
=
clk_round_rate
(
ssi_private
->
baudclk
,
tmprate
);
if
(
baudclk_is_used
)
clkrate
=
clk_get_rate
(
ssi_private
->
baudclk
);
else
clkrate
=
clk_round_rate
(
ssi_private
->
baudclk
,
tmprate
);
do_div
(
clkrate
,
factor
);
do_div
(
clkrate
,
factor
);
afreq
=
(
u32
)
clkrate
/
(
i
+
1
);
afreq
=
(
u32
)
clkrate
/
(
i
+
1
);
...
@@ -594,23 +628,28 @@ static int fsl_ssi_set_dai_sysclk(struct snd_soc_dai *cpu_dai,
...
@@ -594,23 +628,28 @@ static int fsl_ssi_set_dai_sysclk(struct snd_soc_dai *cpu_dai,
mask
=
CCSR_SSI_SxCCR_PM_MASK
|
CCSR_SSI_SxCCR_DIV2
|
mask
=
CCSR_SSI_SxCCR_PM_MASK
|
CCSR_SSI_SxCCR_DIV2
|
CCSR_SSI_SxCCR_PSR
;
CCSR_SSI_SxCCR_PSR
;
if
(
dir
==
SND_SOC_CLOCK_OUT
||
synchronous
)
if
(
substream
->
stream
==
SNDRV_PCM_STREAM_PLAYBACK
||
synchronous
)
write_ssi_mask
(
&
ssi
->
stccr
,
mask
,
stccr
);
regmap_update_bits
(
regs
,
CCSR_SSI_STCCR
,
mask
,
stccr
);
else
else
write_ssi_mask
(
&
ssi
->
srccr
,
mask
,
stccr
);
regmap_update_bits
(
regs
,
CCSR_SSI_SRCCR
,
mask
,
stccr
);
spin_lock_irqsave
(
&
ssi_private
->
baudclk_lock
,
flags
);
if
(
!
baudclk_is_used
)
{
if
(
!
ssi_private
->
baudclk_locked
)
{
ret
=
clk_set_rate
(
ssi_private
->
baudclk
,
baudrate
);
ret
=
clk_set_rate
(
ssi_private
->
baudclk
,
baudrate
);
if
(
ret
)
{
if
(
ret
)
{
spin_unlock_irqrestore
(
&
ssi_private
->
baudclk_lock
,
flags
);
dev_err
(
cpu_dai
->
dev
,
"failed to set baudclk rate
\n
"
);
dev_err
(
cpu_dai
->
dev
,
"failed to set baudclk rate
\n
"
);
return
-
EINVAL
;
return
-
EINVAL
;
}
}
ssi_private
->
baudclk_locked
=
true
;
}
}
spin_unlock_irqrestore
(
&
ssi_private
->
baudclk_lock
,
flags
);
return
0
;
}
static
int
fsl_ssi_set_dai_sysclk
(
struct
snd_soc_dai
*
cpu_dai
,
int
clk_id
,
unsigned
int
freq
,
int
dir
)
{
struct
fsl_ssi_private
*
ssi_private
=
snd_soc_dai_get_drvdata
(
cpu_dai
);
ssi_private
->
bitclk_freq
=
freq
;
return
0
;
return
0
;
}
}
...
@@ -632,12 +671,17 @@ static int fsl_ssi_hw_params(struct snd_pcm_substream *substream,
...
@@ -632,12 +671,17 @@ static int fsl_ssi_hw_params(struct snd_pcm_substream *substream,
struct
snd_pcm_hw_params
*
hw_params
,
struct
snd_soc_dai
*
cpu_dai
)
struct
snd_pcm_hw_params
*
hw_params
,
struct
snd_soc_dai
*
cpu_dai
)
{
{
struct
fsl_ssi_private
*
ssi_private
=
snd_soc_dai_get_drvdata
(
cpu_dai
);
struct
fsl_ssi_private
*
ssi_private
=
snd_soc_dai_get_drvdata
(
cpu_dai
);
struct
ccsr_ssi
__iomem
*
ssi
=
ssi_private
->
ssi
;
struct
regmap
*
regs
=
ssi_private
->
regs
;
unsigned
int
channels
=
params_channels
(
hw_params
);
unsigned
int
channels
=
params_channels
(
hw_params
);
unsigned
int
sample_size
=
unsigned
int
sample_size
=
snd_pcm_format_width
(
params_format
(
hw_params
));
snd_pcm_format_width
(
params_format
(
hw_params
));
u32
wl
=
CCSR_SSI_SxCCR_WL
(
sample_size
);
u32
wl
=
CCSR_SSI_SxCCR_WL
(
sample_size
);
int
enabled
=
read_ssi
(
&
ssi
->
scr
)
&
CCSR_SSI_SCR_SSIEN
;
int
ret
;
u32
scr_val
;
int
enabled
;
regmap_read
(
regs
,
CCSR_SSI_SCR
,
&
scr_val
);
enabled
=
scr_val
&
CCSR_SSI_SCR_SSIEN
;
/*
/*
* If we're in synchronous mode, and the SSI is already enabled,
* If we're in synchronous mode, and the SSI is already enabled,
...
@@ -646,6 +690,21 @@ static int fsl_ssi_hw_params(struct snd_pcm_substream *substream,
...
@@ -646,6 +690,21 @@ static int fsl_ssi_hw_params(struct snd_pcm_substream *substream,
if
(
enabled
&&
ssi_private
->
cpu_dai_drv
.
symmetric_rates
)
if
(
enabled
&&
ssi_private
->
cpu_dai_drv
.
symmetric_rates
)
return
0
;
return
0
;
if
(
fsl_ssi_is_i2s_master
(
ssi_private
))
{
ret
=
fsl_ssi_set_bclk
(
substream
,
cpu_dai
,
hw_params
);
if
(
ret
)
return
ret
;
/* Do not enable the clock if it is already enabled */
if
(
!
(
ssi_private
->
baudclk_streams
&
BIT
(
substream
->
stream
)))
{
ret
=
clk_prepare_enable
(
ssi_private
->
baudclk
);
if
(
ret
)
return
ret
;
ssi_private
->
baudclk_streams
|=
BIT
(
substream
->
stream
);
}
}
/*
/*
* FIXME: The documentation says that SxCCR[WL] should not be
* FIXME: The documentation says that SxCCR[WL] should not be
* modified while the SSI is enabled. The only time this can
* modified while the SSI is enabled. The only time this can
...
@@ -659,40 +718,63 @@ static int fsl_ssi_hw_params(struct snd_pcm_substream *substream,
...
@@ -659,40 +718,63 @@ static int fsl_ssi_hw_params(struct snd_pcm_substream *substream,
/* In synchronous mode, the SSI uses STCCR for capture */
/* In synchronous mode, the SSI uses STCCR for capture */
if
((
substream
->
stream
==
SNDRV_PCM_STREAM_PLAYBACK
)
||
if
((
substream
->
stream
==
SNDRV_PCM_STREAM_PLAYBACK
)
||
ssi_private
->
cpu_dai_drv
.
symmetric_rates
)
ssi_private
->
cpu_dai_drv
.
symmetric_rates
)
write_ssi_mask
(
&
ssi
->
stccr
,
CCSR_SSI_SxCCR_WL_MASK
,
wl
);
regmap_update_bits
(
regs
,
CCSR_SSI_STCCR
,
CCSR_SSI_SxCCR_WL_MASK
,
wl
);
else
else
write_ssi_mask
(
&
ssi
->
srccr
,
CCSR_SSI_SxCCR_WL_MASK
,
wl
);
regmap_update_bits
(
regs
,
CCSR_SSI_SRCCR
,
CCSR_SSI_SxCCR_WL_MASK
,
wl
);
if
(
!
fsl_ssi_is_ac97
(
ssi_private
))
if
(
!
fsl_ssi_is_ac97
(
ssi_private
))
write_ssi_mask
(
&
ssi
->
scr
,
regmap_update_bits
(
regs
,
CCSR_SSI_SCR
,
CCSR_SSI_SCR_NET
|
CCSR_SSI_SCR_I2S_MODE_MASK
,
CCSR_SSI_SCR_NET
|
CCSR_SSI_SCR_I2S_MODE_MASK
,
channels
==
1
?
0
:
ssi_private
->
i2s_mode
);
channels
==
1
?
0
:
ssi_private
->
i2s_mode
);
return
0
;
return
0
;
}
}
/**
static
int
fsl_ssi_hw_free
(
struct
snd_pcm_substream
*
substream
,
* fsl_ssi_set_dai_fmt - configure Digital Audio Interface Format.
struct
snd_soc_dai
*
cpu_dai
)
*/
static
int
fsl_ssi_set_dai_fmt
(
struct
snd_soc_dai
*
cpu_dai
,
unsigned
int
fmt
)
{
{
struct
fsl_ssi_private
*
ssi_private
=
snd_soc_dai_get_drvdata
(
cpu_dai
);
struct
snd_soc_pcm_runtime
*
rtd
=
substream
->
private_data
;
struct
ccsr_ssi
__iomem
*
ssi
=
ssi_private
->
ssi
;
struct
fsl_ssi_private
*
ssi_private
=
snd_soc_dai_get_drvdata
(
rtd
->
cpu_dai
);
if
(
fsl_ssi_is_i2s_master
(
ssi_private
)
&&
ssi_private
->
baudclk_streams
&
BIT
(
substream
->
stream
))
{
clk_disable_unprepare
(
ssi_private
->
baudclk
);
ssi_private
->
baudclk_streams
&=
~
BIT
(
substream
->
stream
);
}
return
0
;
}
static
int
_fsl_ssi_set_dai_fmt
(
struct
fsl_ssi_private
*
ssi_private
,
unsigned
int
fmt
)
{
struct
regmap
*
regs
=
ssi_private
->
regs
;
u32
strcr
=
0
,
stcr
,
srcr
,
scr
,
mask
;
u32
strcr
=
0
,
stcr
,
srcr
,
scr
,
mask
;
u8
wm
;
u8
wm
;
ssi_private
->
dai_fmt
=
fmt
;
ssi_private
->
dai_fmt
=
fmt
;
if
(
fsl_ssi_is_i2s_master
(
ssi_private
)
&&
IS_ERR
(
ssi_private
->
baudclk
))
{
dev_err
(
&
ssi_private
->
pdev
->
dev
,
"baudclk is missing which is necessary for master mode
\n
"
);
return
-
EINVAL
;
}
fsl_ssi_setup_reg_vals
(
ssi_private
);
fsl_ssi_setup_reg_vals
(
ssi_private
);
scr
=
read_ssi
(
&
ssi
->
scr
)
&
~
(
CCSR_SSI_SCR_SYN
|
CCSR_SSI_SCR_I2S_MODE_MASK
);
regmap_read
(
regs
,
CCSR_SSI_SCR
,
&
scr
);
scr
&=
~
(
CCSR_SSI_SCR_SYN
|
CCSR_SSI_SCR_I2S_MODE_MASK
);
scr
|=
CCSR_SSI_SCR_SYNC_TX_FS
;
scr
|=
CCSR_SSI_SCR_SYNC_TX_FS
;
mask
=
CCSR_SSI_STCR_TXBIT0
|
CCSR_SSI_STCR_TFDIR
|
CCSR_SSI_STCR_TXDIR
|
mask
=
CCSR_SSI_STCR_TXBIT0
|
CCSR_SSI_STCR_TFDIR
|
CCSR_SSI_STCR_TXDIR
|
CCSR_SSI_STCR_TSCKP
|
CCSR_SSI_STCR_TFSI
|
CCSR_SSI_STCR_TFSL
|
CCSR_SSI_STCR_TSCKP
|
CCSR_SSI_STCR_TFSI
|
CCSR_SSI_STCR_TFSL
|
CCSR_SSI_STCR_TEFS
;
CCSR_SSI_STCR_TEFS
;
stcr
=
read_ssi
(
&
ssi
->
stcr
)
&
~
mask
;
regmap_read
(
regs
,
CCSR_SSI_STCR
,
&
stcr
);
srcr
=
read_ssi
(
&
ssi
->
srcr
)
&
~
mask
;
regmap_read
(
regs
,
CCSR_SSI_SRCR
,
&
srcr
);
stcr
&=
~
mask
;
srcr
&=
~
mask
;
ssi_private
->
i2s_mode
=
CCSR_SSI_SCR_NET
;
ssi_private
->
i2s_mode
=
CCSR_SSI_SCR_NET
;
switch
(
fmt
&
SND_SOC_DAIFMT_FORMAT_MASK
)
{
switch
(
fmt
&
SND_SOC_DAIFMT_FORMAT_MASK
)
{
...
@@ -700,6 +782,12 @@ static int fsl_ssi_set_dai_fmt(struct snd_soc_dai *cpu_dai, unsigned int fmt)
...
@@ -700,6 +782,12 @@ static int fsl_ssi_set_dai_fmt(struct snd_soc_dai *cpu_dai, unsigned int fmt)
switch
(
fmt
&
SND_SOC_DAIFMT_MASTER_MASK
)
{
switch
(
fmt
&
SND_SOC_DAIFMT_MASTER_MASK
)
{
case
SND_SOC_DAIFMT_CBS_CFS
:
case
SND_SOC_DAIFMT_CBS_CFS
:
ssi_private
->
i2s_mode
|=
CCSR_SSI_SCR_I2S_MODE_MASTER
;
ssi_private
->
i2s_mode
|=
CCSR_SSI_SCR_I2S_MODE_MASTER
;
regmap_update_bits
(
regs
,
CCSR_SSI_STCCR
,
CCSR_SSI_SxCCR_DC_MASK
,
CCSR_SSI_SxCCR_DC
(
2
));
regmap_update_bits
(
regs
,
CCSR_SSI_SRCCR
,
CCSR_SSI_SxCCR_DC_MASK
,
CCSR_SSI_SxCCR_DC
(
2
));
break
;
break
;
case
SND_SOC_DAIFMT_CBM_CFM
:
case
SND_SOC_DAIFMT_CBM_CFM
:
ssi_private
->
i2s_mode
|=
CCSR_SSI_SCR_I2S_MODE_SLAVE
;
ssi_private
->
i2s_mode
|=
CCSR_SSI_SCR_I2S_MODE_SLAVE
;
...
@@ -778,9 +866,9 @@ static int fsl_ssi_set_dai_fmt(struct snd_soc_dai *cpu_dai, unsigned int fmt)
...
@@ -778,9 +866,9 @@ static int fsl_ssi_set_dai_fmt(struct snd_soc_dai *cpu_dai, unsigned int fmt)
scr
|=
CCSR_SSI_SCR_SYN
;
scr
|=
CCSR_SSI_SCR_SYN
;
}
}
write_ssi
(
stcr
,
&
ssi
->
stcr
);
regmap_write
(
regs
,
CCSR_SSI_STCR
,
stcr
);
write_ssi
(
srcr
,
&
ssi
->
srcr
);
regmap_write
(
regs
,
CCSR_SSI_SRCR
,
srcr
);
write_ssi
(
scr
,
&
ssi
->
scr
);
regmap_write
(
regs
,
CCSR_SSI_SCR
,
scr
);
/*
/*
* Set the watermark for transmit FIFI 0 and receive FIFO 0. We don't
* Set the watermark for transmit FIFI 0 and receive FIFO 0. We don't
...
@@ -798,16 +886,16 @@ static int fsl_ssi_set_dai_fmt(struct snd_soc_dai *cpu_dai, unsigned int fmt)
...
@@ -798,16 +886,16 @@ static int fsl_ssi_set_dai_fmt(struct snd_soc_dai *cpu_dai, unsigned int fmt)
else
else
wm
=
ssi_private
->
fifo_depth
;
wm
=
ssi_private
->
fifo_depth
;
write_ssi
(
CCSR_SSI_SFCSR_TFWM0
(
wm
)
|
CCSR_SSI_SFCSR_RFWM0
(
wm
)
|
regmap_write
(
regs
,
CCSR_SSI_SFCSR
,
CCSR_SSI_SFCSR_TFWM
1
(
wm
)
|
CCSR_SSI_SFCSR_RFWM1
(
wm
),
CCSR_SSI_SFCSR_TFWM
0
(
wm
)
|
CCSR_SSI_SFCSR_RFWM0
(
wm
)
|
&
ssi
->
sfcsr
);
CCSR_SSI_SFCSR_TFWM1
(
wm
)
|
CCSR_SSI_SFCSR_RFWM1
(
wm
)
);
if
(
ssi_private
->
use_dual_fifo
)
{
if
(
ssi_private
->
use_dual_fifo
)
{
write_ssi_mask
(
&
ssi
->
srcr
,
CCSR_SSI_SRCR_RFEN1
,
regmap_update_bits
(
regs
,
CCSR_SSI_SRCR
,
CCSR_SSI_SRCR_RFEN1
,
CCSR_SSI_SRCR_RFEN1
);
CCSR_SSI_SRCR_RFEN1
);
write_ssi_mask
(
&
ssi
->
stcr
,
CCSR_SSI_STCR_TFEN1
,
regmap_update_bits
(
regs
,
CCSR_SSI_STCR
,
CCSR_SSI_STCR_TFEN1
,
CCSR_SSI_STCR_TFEN1
);
CCSR_SSI_STCR_TFEN1
);
write_ssi_mask
(
&
ssi
->
scr
,
CCSR_SSI_SCR_TCH_EN
,
regmap_update_bits
(
regs
,
CCSR_SSI_SCR
,
CCSR_SSI_SCR_TCH_EN
,
CCSR_SSI_SCR_TCH_EN
);
CCSR_SSI_SCR_TCH_EN
);
}
}
...
@@ -815,6 +903,17 @@ static int fsl_ssi_set_dai_fmt(struct snd_soc_dai *cpu_dai, unsigned int fmt)
...
@@ -815,6 +903,17 @@ static int fsl_ssi_set_dai_fmt(struct snd_soc_dai *cpu_dai, unsigned int fmt)
fsl_ssi_setup_ac97
(
ssi_private
);
fsl_ssi_setup_ac97
(
ssi_private
);
return
0
;
return
0
;
}
/**
* fsl_ssi_set_dai_fmt - configure Digital Audio Interface Format.
*/
static
int
fsl_ssi_set_dai_fmt
(
struct
snd_soc_dai
*
cpu_dai
,
unsigned
int
fmt
)
{
struct
fsl_ssi_private
*
ssi_private
=
snd_soc_dai_get_drvdata
(
cpu_dai
);
return
_fsl_ssi_set_dai_fmt
(
ssi_private
,
fmt
);
}
}
/**
/**
...
@@ -826,31 +925,34 @@ static int fsl_ssi_set_dai_tdm_slot(struct snd_soc_dai *cpu_dai, u32 tx_mask,
...
@@ -826,31 +925,34 @@ static int fsl_ssi_set_dai_tdm_slot(struct snd_soc_dai *cpu_dai, u32 tx_mask,
u32
rx_mask
,
int
slots
,
int
slot_width
)
u32
rx_mask
,
int
slots
,
int
slot_width
)
{
{
struct
fsl_ssi_private
*
ssi_private
=
snd_soc_dai_get_drvdata
(
cpu_dai
);
struct
fsl_ssi_private
*
ssi_private
=
snd_soc_dai_get_drvdata
(
cpu_dai
);
struct
ccsr_ssi
__iomem
*
ssi
=
ssi_private
->
ssi
;
struct
regmap
*
regs
=
ssi_private
->
regs
;
u32
val
;
u32
val
;
/* The slot number should be >= 2 if using Network mode or I2S mode */
/* The slot number should be >= 2 if using Network mode or I2S mode */
val
=
read_ssi
(
&
ssi
->
scr
)
&
(
CCSR_SSI_SCR_I2S_MODE_MASK
|
CCSR_SSI_SCR_NET
);
regmap_read
(
regs
,
CCSR_SSI_SCR
,
&
val
);
val
&=
CCSR_SSI_SCR_I2S_MODE_MASK
|
CCSR_SSI_SCR_NET
;
if
(
val
&&
slots
<
2
)
{
if
(
val
&&
slots
<
2
)
{
dev_err
(
cpu_dai
->
dev
,
"slot number should be >= 2 in I2S or NET
\n
"
);
dev_err
(
cpu_dai
->
dev
,
"slot number should be >= 2 in I2S or NET
\n
"
);
return
-
EINVAL
;
return
-
EINVAL
;
}
}
write_ssi_mask
(
&
ssi
->
stccr
,
CCSR_SSI_SxCCR_DC_MASK
,
regmap_update_bits
(
regs
,
CCSR_SSI_STCCR
,
CCSR_SSI_SxCCR_DC_MASK
,
CCSR_SSI_SxCCR_DC
(
slots
));
CCSR_SSI_SxCCR_DC
(
slots
));
write_ssi_mask
(
&
ssi
->
srccr
,
CCSR_SSI_SxCCR_DC_MASK
,
regmap_update_bits
(
regs
,
CCSR_SSI_SRCCR
,
CCSR_SSI_SxCCR_DC_MASK
,
CCSR_SSI_SxCCR_DC
(
slots
));
CCSR_SSI_SxCCR_DC
(
slots
));
/* The register SxMSKs needs SSI to provide essential clock due to
/* The register SxMSKs needs SSI to provide essential clock due to
* hardware design. So we here temporarily enable SSI to set them.
* hardware design. So we here temporarily enable SSI to set them.
*/
*/
val
=
read_ssi
(
&
ssi
->
scr
)
&
CCSR_SSI_SCR_SSIEN
;
regmap_read
(
regs
,
CCSR_SSI_SCR
,
&
val
);
write_ssi_mask
(
&
ssi
->
scr
,
0
,
CCSR_SSI_SCR_SSIEN
);
val
&=
CCSR_SSI_SCR_SSIEN
;
regmap_update_bits
(
regs
,
CCSR_SSI_SCR
,
CCSR_SSI_SCR_SSIEN
,
CCSR_SSI_SCR_SSIEN
);
write_ssi
(
tx_mask
,
&
ssi
->
stm
sk
);
regmap_write
(
regs
,
CCSR_SSI_STMSK
,
tx_ma
sk
);
write_ssi
(
rx_mask
,
&
ssi
->
srm
sk
);
regmap_write
(
regs
,
CCSR_SSI_SRMSK
,
rx_ma
sk
);
write_ssi_mask
(
&
ssi
->
scr
,
CCSR_SSI_SCR_SSIEN
,
val
);
regmap_update_bits
(
regs
,
CCSR_SSI_SCR
,
CCSR_SSI_SCR_SSIEN
,
val
);
return
0
;
return
0
;
}
}
...
@@ -869,11 +971,11 @@ static int fsl_ssi_trigger(struct snd_pcm_substream *substream, int cmd,
...
@@ -869,11 +971,11 @@ static int fsl_ssi_trigger(struct snd_pcm_substream *substream, int cmd,
{
{
struct
snd_soc_pcm_runtime
*
rtd
=
substream
->
private_data
;
struct
snd_soc_pcm_runtime
*
rtd
=
substream
->
private_data
;
struct
fsl_ssi_private
*
ssi_private
=
snd_soc_dai_get_drvdata
(
rtd
->
cpu_dai
);
struct
fsl_ssi_private
*
ssi_private
=
snd_soc_dai_get_drvdata
(
rtd
->
cpu_dai
);
struct
ccsr_ssi
__iomem
*
ssi
=
ssi_private
->
ssi
;
struct
regmap
*
regs
=
ssi_private
->
regs
;
unsigned
long
flags
;
switch
(
cmd
)
{
switch
(
cmd
)
{
case
SNDRV_PCM_TRIGGER_START
:
case
SNDRV_PCM_TRIGGER_START
:
case
SNDRV_PCM_TRIGGER_RESUME
:
case
SNDRV_PCM_TRIGGER_PAUSE_RELEASE
:
case
SNDRV_PCM_TRIGGER_PAUSE_RELEASE
:
if
(
substream
->
stream
==
SNDRV_PCM_STREAM_PLAYBACK
)
if
(
substream
->
stream
==
SNDRV_PCM_STREAM_PLAYBACK
)
fsl_ssi_tx_config
(
ssi_private
,
true
);
fsl_ssi_tx_config
(
ssi_private
,
true
);
...
@@ -882,18 +984,12 @@ static int fsl_ssi_trigger(struct snd_pcm_substream *substream, int cmd,
...
@@ -882,18 +984,12 @@ static int fsl_ssi_trigger(struct snd_pcm_substream *substream, int cmd,
break
;
break
;
case
SNDRV_PCM_TRIGGER_STOP
:
case
SNDRV_PCM_TRIGGER_STOP
:
case
SNDRV_PCM_TRIGGER_SUSPEND
:
case
SNDRV_PCM_TRIGGER_PAUSE_PUSH
:
case
SNDRV_PCM_TRIGGER_PAUSE_PUSH
:
if
(
substream
->
stream
==
SNDRV_PCM_STREAM_PLAYBACK
)
if
(
substream
->
stream
==
SNDRV_PCM_STREAM_PLAYBACK
)
fsl_ssi_tx_config
(
ssi_private
,
false
);
fsl_ssi_tx_config
(
ssi_private
,
false
);
else
else
fsl_ssi_rx_config
(
ssi_private
,
false
);
fsl_ssi_rx_config
(
ssi_private
,
false
);
if
(
!
fsl_ssi_is_ac97
(
ssi_private
)
&&
(
read_ssi
(
&
ssi
->
scr
)
&
(
CCSR_SSI_SCR_TE
|
CCSR_SSI_SCR_RE
))
==
0
)
{
spin_lock_irqsave
(
&
ssi_private
->
baudclk_lock
,
flags
);
ssi_private
->
baudclk_locked
=
false
;
spin_unlock_irqrestore
(
&
ssi_private
->
baudclk_lock
,
flags
);
}
break
;
break
;
default:
default:
...
@@ -902,9 +998,9 @@ static int fsl_ssi_trigger(struct snd_pcm_substream *substream, int cmd,
...
@@ -902,9 +998,9 @@ static int fsl_ssi_trigger(struct snd_pcm_substream *substream, int cmd,
if
(
fsl_ssi_is_ac97
(
ssi_private
))
{
if
(
fsl_ssi_is_ac97
(
ssi_private
))
{
if
(
substream
->
stream
==
SNDRV_PCM_STREAM_PLAYBACK
)
if
(
substream
->
stream
==
SNDRV_PCM_STREAM_PLAYBACK
)
write_ssi
(
CCSR_SSI_SOR_TX_CLR
,
&
ssi
->
sor
);
regmap_write
(
regs
,
CCSR_SSI_SOR
,
CCSR_SSI_SOR_TX_CLR
);
else
else
write_ssi
(
CCSR_SSI_SOR_RX_CLR
,
&
ssi
->
sor
);
regmap_write
(
regs
,
CCSR_SSI_SOR
,
CCSR_SSI_SOR_RX_CLR
);
}
}
return
0
;
return
0
;
...
@@ -914,7 +1010,7 @@ static int fsl_ssi_dai_probe(struct snd_soc_dai *dai)
...
@@ -914,7 +1010,7 @@ static int fsl_ssi_dai_probe(struct snd_soc_dai *dai)
{
{
struct
fsl_ssi_private
*
ssi_private
=
snd_soc_dai_get_drvdata
(
dai
);
struct
fsl_ssi_private
*
ssi_private
=
snd_soc_dai_get_drvdata
(
dai
);
if
(
fsl_ssi_on_imx
(
ssi_private
)
&&
ssi_private
->
use_dma
)
{
if
(
ssi_private
->
soc
->
imx
&&
ssi_private
->
use_dma
)
{
dai
->
playback_dma_data
=
&
ssi_private
->
dma_params_tx
;
dai
->
playback_dma_data
=
&
ssi_private
->
dma_params_tx
;
dai
->
capture_dma_data
=
&
ssi_private
->
dma_params_rx
;
dai
->
capture_dma_data
=
&
ssi_private
->
dma_params_rx
;
}
}
...
@@ -925,6 +1021,7 @@ static int fsl_ssi_dai_probe(struct snd_soc_dai *dai)
...
@@ -925,6 +1021,7 @@ static int fsl_ssi_dai_probe(struct snd_soc_dai *dai)
static
const
struct
snd_soc_dai_ops
fsl_ssi_dai_ops
=
{
static
const
struct
snd_soc_dai_ops
fsl_ssi_dai_ops
=
{
.
startup
=
fsl_ssi_startup
,
.
startup
=
fsl_ssi_startup
,
.
hw_params
=
fsl_ssi_hw_params
,
.
hw_params
=
fsl_ssi_hw_params
,
.
hw_free
=
fsl_ssi_hw_free
,
.
set_fmt
=
fsl_ssi_set_dai_fmt
,
.
set_fmt
=
fsl_ssi_set_dai_fmt
,
.
set_sysclk
=
fsl_ssi_set_dai_sysclk
,
.
set_sysclk
=
fsl_ssi_set_dai_sysclk
,
.
set_tdm_slot
=
fsl_ssi_set_dai_tdm_slot
,
.
set_tdm_slot
=
fsl_ssi_set_dai_tdm_slot
,
...
@@ -978,7 +1075,7 @@ static struct fsl_ssi_private *fsl_ac97_data;
...
@@ -978,7 +1075,7 @@ static struct fsl_ssi_private *fsl_ac97_data;
static
void
fsl_ssi_ac97_write
(
struct
snd_ac97
*
ac97
,
unsigned
short
reg
,
static
void
fsl_ssi_ac97_write
(
struct
snd_ac97
*
ac97
,
unsigned
short
reg
,
unsigned
short
val
)
unsigned
short
val
)
{
{
struct
ccsr_ssi
*
ssi
=
fsl_ac97_data
->
ssi
;
struct
regmap
*
regs
=
fsl_ac97_data
->
regs
;
unsigned
int
lreg
;
unsigned
int
lreg
;
unsigned
int
lval
;
unsigned
int
lval
;
...
@@ -987,12 +1084,12 @@ static void fsl_ssi_ac97_write(struct snd_ac97 *ac97, unsigned short reg,
...
@@ -987,12 +1084,12 @@ static void fsl_ssi_ac97_write(struct snd_ac97 *ac97, unsigned short reg,
lreg
=
reg
<<
12
;
lreg
=
reg
<<
12
;
write_ssi
(
lreg
,
&
ssi
->
sacadd
);
regmap_write
(
regs
,
CCSR_SSI_SACADD
,
lreg
);
lval
=
val
<<
4
;
lval
=
val
<<
4
;
write_ssi
(
lval
,
&
ssi
->
sacdat
);
regmap_write
(
regs
,
CCSR_SSI_SACDAT
,
lval
);
write_ssi_mask
(
&
ssi
->
sacnt
,
CCSR_SSI_SACNT_RDWR_MASK
,
regmap_update_bits
(
regs
,
CCSR_SSI_SACNT
,
CCSR_SSI_SACNT_RDWR_MASK
,
CCSR_SSI_SACNT_WR
);
CCSR_SSI_SACNT_WR
);
udelay
(
100
);
udelay
(
100
);
}
}
...
@@ -1000,19 +1097,21 @@ static void fsl_ssi_ac97_write(struct snd_ac97 *ac97, unsigned short reg,
...
@@ -1000,19 +1097,21 @@ static void fsl_ssi_ac97_write(struct snd_ac97 *ac97, unsigned short reg,
static
unsigned
short
fsl_ssi_ac97_read
(
struct
snd_ac97
*
ac97
,
static
unsigned
short
fsl_ssi_ac97_read
(
struct
snd_ac97
*
ac97
,
unsigned
short
reg
)
unsigned
short
reg
)
{
{
struct
ccsr_ssi
*
ssi
=
fsl_ac97_data
->
ssi
;
struct
regmap
*
regs
=
fsl_ac97_data
->
regs
;
unsigned
short
val
=
-
1
;
unsigned
short
val
=
-
1
;
u32
reg_val
;
unsigned
int
lreg
;
unsigned
int
lreg
;
lreg
=
(
reg
&
0x7f
)
<<
12
;
lreg
=
(
reg
&
0x7f
)
<<
12
;
write_ssi
(
lreg
,
&
ssi
->
sacadd
);
regmap_write
(
regs
,
CCSR_SSI_SACADD
,
lreg
);
write_ssi_mask
(
&
ssi
->
sacnt
,
CCSR_SSI_SACNT_RDWR_MASK
,
regmap_update_bits
(
regs
,
CCSR_SSI_SACNT
,
CCSR_SSI_SACNT_RDWR_MASK
,
CCSR_SSI_SACNT_RD
);
CCSR_SSI_SACNT_RD
);
udelay
(
100
);
udelay
(
100
);
val
=
(
read_ssi
(
&
ssi
->
sacdat
)
>>
4
)
&
0xffff
;
regmap_read
(
regs
,
CCSR_SSI_SACDAT
,
&
reg_val
);
val
=
(
reg_val
>>
4
)
&
0xffff
;
return
val
;
return
val
;
}
}
...
@@ -1064,8 +1163,6 @@ static int fsl_ssi_imx_probe(struct platform_device *pdev,
...
@@ -1064,8 +1163,6 @@ static int fsl_ssi_imx_probe(struct platform_device *pdev,
if
(
IS_ERR
(
ssi_private
->
baudclk
))
if
(
IS_ERR
(
ssi_private
->
baudclk
))
dev_dbg
(
&
pdev
->
dev
,
"could not get baud clock: %ld
\n
"
,
dev_dbg
(
&
pdev
->
dev
,
"could not get baud clock: %ld
\n
"
,
PTR_ERR
(
ssi_private
->
baudclk
));
PTR_ERR
(
ssi_private
->
baudclk
));
else
clk_prepare_enable
(
ssi_private
->
baudclk
);
/*
/*
* We have burstsize be "fifo_depth - 2" to match the SSI
* We have burstsize be "fifo_depth - 2" to match the SSI
...
@@ -1073,10 +1170,8 @@ static int fsl_ssi_imx_probe(struct platform_device *pdev,
...
@@ -1073,10 +1170,8 @@ static int fsl_ssi_imx_probe(struct platform_device *pdev,
*/
*/
ssi_private
->
dma_params_tx
.
maxburst
=
ssi_private
->
fifo_depth
-
2
;
ssi_private
->
dma_params_tx
.
maxburst
=
ssi_private
->
fifo_depth
-
2
;
ssi_private
->
dma_params_rx
.
maxburst
=
ssi_private
->
fifo_depth
-
2
;
ssi_private
->
dma_params_rx
.
maxburst
=
ssi_private
->
fifo_depth
-
2
;
ssi_private
->
dma_params_tx
.
addr
=
ssi_private
->
ssi_phys
+
ssi_private
->
dma_params_tx
.
addr
=
ssi_private
->
ssi_phys
+
CCSR_SSI_STX0
;
offsetof
(
struct
ccsr_ssi
,
stx0
);
ssi_private
->
dma_params_rx
.
addr
=
ssi_private
->
ssi_phys
+
CCSR_SSI_SRX0
;
ssi_private
->
dma_params_rx
.
addr
=
ssi_private
->
ssi_phys
+
offsetof
(
struct
ccsr_ssi
,
srx0
);
ret
=
!
of_property_read_u32_array
(
np
,
"dmas"
,
dmas
,
4
);
ret
=
!
of_property_read_u32_array
(
np
,
"dmas"
,
dmas
,
4
);
if
(
ssi_private
->
use_dma
&&
!
ret
&&
dmas
[
2
]
==
IMX_DMATYPE_SSI_DUAL
)
{
if
(
ssi_private
->
use_dma
&&
!
ret
&&
dmas
[
2
]
==
IMX_DMATYPE_SSI_DUAL
)
{
...
@@ -1116,9 +1211,6 @@ static int fsl_ssi_imx_probe(struct platform_device *pdev,
...
@@ -1116,9 +1211,6 @@ static int fsl_ssi_imx_probe(struct platform_device *pdev,
return
0
;
return
0
;
error_pcm:
error_pcm:
if
(
!
IS_ERR
(
ssi_private
->
baudclk
))
clk_disable_unprepare
(
ssi_private
->
baudclk
);
clk_disable_unprepare
(
ssi_private
->
clk
);
clk_disable_unprepare
(
ssi_private
->
clk
);
return
ret
;
return
ret
;
...
@@ -1129,8 +1221,6 @@ static void fsl_ssi_imx_clean(struct platform_device *pdev,
...
@@ -1129,8 +1221,6 @@ static void fsl_ssi_imx_clean(struct platform_device *pdev,
{
{
if
(
!
ssi_private
->
use_dma
)
if
(
!
ssi_private
->
use_dma
)
imx_pcm_fiq_exit
(
pdev
);
imx_pcm_fiq_exit
(
pdev
);
if
(
!
IS_ERR
(
ssi_private
->
baudclk
))
clk_disable_unprepare
(
ssi_private
->
baudclk
);
clk_disable_unprepare
(
ssi_private
->
clk
);
clk_disable_unprepare
(
ssi_private
->
clk
);
}
}
...
@@ -1140,12 +1230,11 @@ static int fsl_ssi_probe(struct platform_device *pdev)
...
@@ -1140,12 +1230,11 @@ static int fsl_ssi_probe(struct platform_device *pdev)
int
ret
=
0
;
int
ret
=
0
;
struct
device_node
*
np
=
pdev
->
dev
.
of_node
;
struct
device_node
*
np
=
pdev
->
dev
.
of_node
;
const
struct
of_device_id
*
of_id
;
const
struct
of_device_id
*
of_id
;
enum
fsl_ssi_type
hw_type
;
const
char
*
p
,
*
sprop
;
const
char
*
p
,
*
sprop
;
const
uint32_t
*
iprop
;
const
uint32_t
*
iprop
;
struct
resource
res
;
struct
resource
res
;
void
__iomem
*
iomem
;
char
name
[
64
];
char
name
[
64
];
bool
ac97
=
false
;
/* SSIs that are not connected on the board should have a
/* SSIs that are not connected on the board should have a
* status = "disabled"
* status = "disabled"
...
@@ -1155,17 +1244,8 @@ static int fsl_ssi_probe(struct platform_device *pdev)
...
@@ -1155,17 +1244,8 @@ static int fsl_ssi_probe(struct platform_device *pdev)
return
-
ENODEV
;
return
-
ENODEV
;
of_id
=
of_match_device
(
fsl_ssi_ids
,
&
pdev
->
dev
);
of_id
=
of_match_device
(
fsl_ssi_ids
,
&
pdev
->
dev
);
if
(
!
of_id
)
if
(
!
of_id
||
!
of_id
->
data
)
return
-
EINVAL
;
hw_type
=
(
enum
fsl_ssi_type
)
of_id
->
data
;
sprop
=
of_get_property
(
np
,
"fsl,mode"
,
NULL
);
if
(
!
sprop
)
{
dev_err
(
&
pdev
->
dev
,
"fsl,mode property is necessary
\n
"
);
return
-
EINVAL
;
return
-
EINVAL
;
}
if
(
!
strcmp
(
sprop
,
"ac97-slave"
))
ac97
=
true
;
ssi_private
=
devm_kzalloc
(
&
pdev
->
dev
,
sizeof
(
*
ssi_private
),
ssi_private
=
devm_kzalloc
(
&
pdev
->
dev
,
sizeof
(
*
ssi_private
),
GFP_KERNEL
);
GFP_KERNEL
);
...
@@ -1174,11 +1254,21 @@ static int fsl_ssi_probe(struct platform_device *pdev)
...
@@ -1174,11 +1254,21 @@ static int fsl_ssi_probe(struct platform_device *pdev)
return
-
ENOMEM
;
return
-
ENOMEM
;
}
}
ssi_private
->
soc
=
of_id
->
data
;
sprop
=
of_get_property
(
np
,
"fsl,mode"
,
NULL
);
if
(
sprop
)
{
if
(
!
strcmp
(
sprop
,
"ac97-slave"
))
ssi_private
->
dai_fmt
=
SND_SOC_DAIFMT_AC97
;
else
if
(
!
strcmp
(
sprop
,
"i2s-slave"
))
ssi_private
->
dai_fmt
=
SND_SOC_DAIFMT_I2S
|
SND_SOC_DAIFMT_CBM_CFM
;
}
ssi_private
->
use_dma
=
!
of_property_read_bool
(
np
,
ssi_private
->
use_dma
=
!
of_property_read_bool
(
np
,
"fsl,fiq-stream-filter"
);
"fsl,fiq-stream-filter"
);
ssi_private
->
hw_type
=
hw_type
;
if
(
ac97
)
{
if
(
fsl_ssi_is_ac97
(
ssi_private
)
)
{
memcpy
(
&
ssi_private
->
cpu_dai_drv
,
&
fsl_ssi_ac97_dai
,
memcpy
(
&
ssi_private
->
cpu_dai_drv
,
&
fsl_ssi_ac97_dai
,
sizeof
(
fsl_ssi_ac97_dai
));
sizeof
(
fsl_ssi_ac97_dai
));
...
@@ -1198,12 +1288,20 @@ static int fsl_ssi_probe(struct platform_device *pdev)
...
@@ -1198,12 +1288,20 @@ static int fsl_ssi_probe(struct platform_device *pdev)
dev_err
(
&
pdev
->
dev
,
"could not determine device resources
\n
"
);
dev_err
(
&
pdev
->
dev
,
"could not determine device resources
\n
"
);
return
ret
;
return
ret
;
}
}
ssi_private
->
ssi
=
of_iomap
(
np
,
0
);
ssi_private
->
ssi_phys
=
res
.
start
;
if
(
!
ssi_private
->
ssi
)
{
iomem
=
devm_ioremap
(
&
pdev
->
dev
,
res
.
start
,
resource_size
(
&
res
));
if
(
!
iomem
)
{
dev_err
(
&
pdev
->
dev
,
"could not map device resources
\n
"
);
dev_err
(
&
pdev
->
dev
,
"could not map device resources
\n
"
);
return
-
ENOMEM
;
return
-
ENOMEM
;
}
}
ssi_private
->
ssi_phys
=
res
.
start
;
ssi_private
->
regs
=
devm_regmap_init_mmio
(
&
pdev
->
dev
,
iomem
,
&
fsl_ssi_regconfig
);
if
(
IS_ERR
(
ssi_private
->
regs
))
{
dev_err
(
&
pdev
->
dev
,
"Failed to init register map
\n
"
);
return
PTR_ERR
(
ssi_private
->
regs
);
}
ssi_private
->
irq
=
irq_of_parse_and_map
(
np
,
0
);
ssi_private
->
irq
=
irq_of_parse_and_map
(
np
,
0
);
if
(
!
ssi_private
->
irq
)
{
if
(
!
ssi_private
->
irq
)
{
...
@@ -1226,13 +1324,10 @@ static int fsl_ssi_probe(struct platform_device *pdev)
...
@@ -1226,13 +1324,10 @@ static int fsl_ssi_probe(struct platform_device *pdev)
/* Older 8610 DTs didn't have the fifo-depth property */
/* Older 8610 DTs didn't have the fifo-depth property */
ssi_private
->
fifo_depth
=
8
;
ssi_private
->
fifo_depth
=
8
;
ssi_private
->
baudclk_locked
=
false
;
spin_lock_init
(
&
ssi_private
->
baudclk_lock
);
dev_set_drvdata
(
&
pdev
->
dev
,
ssi_private
);
dev_set_drvdata
(
&
pdev
->
dev
,
ssi_private
);
if
(
fsl_ssi_on_imx
(
ssi_private
)
)
{
if
(
ssi_private
->
soc
->
imx
)
{
ret
=
fsl_ssi_imx_probe
(
pdev
,
ssi_private
,
ssi_private
->
ssi
);
ret
=
fsl_ssi_imx_probe
(
pdev
,
ssi_private
,
iomem
);
if
(
ret
)
if
(
ret
)
goto
error_irqmap
;
goto
error_irqmap
;
}
}
...
@@ -1289,6 +1384,9 @@ static int fsl_ssi_probe(struct platform_device *pdev)
...
@@ -1289,6 +1384,9 @@ static int fsl_ssi_probe(struct platform_device *pdev)
}
}
done:
done:
if
(
ssi_private
->
dai_fmt
)
_fsl_ssi_set_dai_fmt
(
ssi_private
,
ssi_private
->
dai_fmt
);
return
0
;
return
0
;
error_sound_card:
error_sound_card:
...
@@ -1298,7 +1396,7 @@ static int fsl_ssi_probe(struct platform_device *pdev)
...
@@ -1298,7 +1396,7 @@ static int fsl_ssi_probe(struct platform_device *pdev)
snd_soc_unregister_component
(
&
pdev
->
dev
);
snd_soc_unregister_component
(
&
pdev
->
dev
);
error_asoc_register:
error_asoc_register:
if
(
fsl_ssi_on_imx
(
ssi_private
)
)
if
(
ssi_private
->
soc
->
imx
)
fsl_ssi_imx_clean
(
pdev
,
ssi_private
);
fsl_ssi_imx_clean
(
pdev
,
ssi_private
);
error_irqmap:
error_irqmap:
...
@@ -1318,7 +1416,7 @@ static int fsl_ssi_remove(struct platform_device *pdev)
...
@@ -1318,7 +1416,7 @@ static int fsl_ssi_remove(struct platform_device *pdev)
platform_device_unregister
(
ssi_private
->
pdev
);
platform_device_unregister
(
ssi_private
->
pdev
);
snd_soc_unregister_component
(
&
pdev
->
dev
);
snd_soc_unregister_component
(
&
pdev
->
dev
);
if
(
fsl_ssi_on_imx
(
ssi_private
)
)
if
(
ssi_private
->
soc
->
imx
)
fsl_ssi_imx_clean
(
pdev
,
ssi_private
);
fsl_ssi_imx_clean
(
pdev
,
ssi_private
);
if
(
ssi_private
->
use_dma
)
if
(
ssi_private
->
use_dma
)
...
...
sound/soc/fsl/fsl_ssi.h
View file @
1ecf4450
...
@@ -12,32 +12,30 @@
...
@@ -12,32 +12,30 @@
#ifndef _MPC8610_I2S_H
#ifndef _MPC8610_I2S_H
#define _MPC8610_I2S_H
#define _MPC8610_I2S_H
/* SSI Register Map */
/* SSI registers */
struct
ccsr_ssi
{
#define CCSR_SSI_STX0 0x00
__be32
stx0
;
/* 0x.0000 - SSI Transmit Data Register 0 */
#define CCSR_SSI_STX1 0x04
__be32
stx1
;
/* 0x.0004 - SSI Transmit Data Register 1 */
#define CCSR_SSI_SRX0 0x08
__be32
srx0
;
/* 0x.0008 - SSI Receive Data Register 0 */
#define CCSR_SSI_SRX1 0x0c
__be32
srx1
;
/* 0x.000C - SSI Receive Data Register 1 */
#define CCSR_SSI_SCR 0x10
__be32
scr
;
/* 0x.0010 - SSI Control Register */
#define CCSR_SSI_SISR 0x14
__be32
sisr
;
/* 0x.0014 - SSI Interrupt Status Register Mixed */
#define CCSR_SSI_SIER 0x18
__be32
sier
;
/* 0x.0018 - SSI Interrupt Enable Register */
#define CCSR_SSI_STCR 0x1c
__be32
stcr
;
/* 0x.001C - SSI Transmit Configuration Register */
#define CCSR_SSI_SRCR 0x20
__be32
srcr
;
/* 0x.0020 - SSI Receive Configuration Register */
#define CCSR_SSI_STCCR 0x24
__be32
stccr
;
/* 0x.0024 - SSI Transmit Clock Control Register */
#define CCSR_SSI_SRCCR 0x28
__be32
srccr
;
/* 0x.0028 - SSI Receive Clock Control Register */
#define CCSR_SSI_SFCSR 0x2c
__be32
sfcsr
;
/* 0x.002C - SSI FIFO Control/Status Register */
#define CCSR_SSI_STR 0x30
__be32
str
;
/* 0x.0030 - SSI Test Register */
#define CCSR_SSI_SOR 0x34
__be32
sor
;
/* 0x.0034 - SSI Option Register */
#define CCSR_SSI_SACNT 0x38
__be32
sacnt
;
/* 0x.0038 - SSI AC97 Control Register */
#define CCSR_SSI_SACADD 0x3c
__be32
sacadd
;
/* 0x.003C - SSI AC97 Command Address Register */
#define CCSR_SSI_SACDAT 0x40
__be32
sacdat
;
/* 0x.0040 - SSI AC97 Command Data Register */
#define CCSR_SSI_SATAG 0x44
__be32
satag
;
/* 0x.0044 - SSI AC97 Tag Register */
#define CCSR_SSI_STMSK 0x48
__be32
stmsk
;
/* 0x.0048 - SSI Transmit Time Slot Mask Register */
#define CCSR_SSI_SRMSK 0x4c
__be32
srmsk
;
/* 0x.004C - SSI Receive Time Slot Mask Register */
#define CCSR_SSI_SACCST 0x50
__be32
saccst
;
/* 0x.0050 - SSI AC97 Channel Status Register */
#define CCSR_SSI_SACCEN 0x54
__be32
saccen
;
/* 0x.0054 - SSI AC97 Channel Enable Register */
#define CCSR_SSI_SACCDIS 0x58
__be32
saccdis
;
/* 0x.0058 - SSI AC97 Channel Disable Register */
};
#define CCSR_SSI_SCR_SYNC_TX_FS 0x00001000
#define CCSR_SSI_SCR_SYNC_TX_FS 0x00001000
#define CCSR_SSI_SCR_RFR_CLK_DIS 0x00000800
#define CCSR_SSI_SCR_RFR_CLK_DIS 0x00000800
...
...
Write
Preview
Markdown
is supported
0%
Try again
or
attach a new file
Attach a file
Cancel
You are about to add
0
people
to the discussion. Proceed with caution.
Finish editing this message first!
Cancel
Please
register
or
sign in
to comment