2008-06-05 20:49:32 +08:00
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/*
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* wm8510.c -- WM8510 ALSA Soc Audio driver
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*
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* Copyright 2006 Wolfson Microelectronics PLC.
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*
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2008-10-12 20:17:36 +08:00
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* Author: Liam Girdwood <lrg@slimlogic.co.uk>
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2008-06-05 20:49:32 +08:00
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License version 2 as
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* published by the Free Software Foundation.
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*/
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#include <linux/module.h>
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#include <linux/moduleparam.h>
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#include <linux/kernel.h>
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#include <linux/init.h>
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#include <linux/delay.h>
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#include <linux/pm.h>
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#include <linux/i2c.h>
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2008-10-07 18:56:20 +08:00
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#include <linux/spi/spi.h>
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include cleanup: Update gfp.h and slab.h includes to prepare for breaking implicit slab.h inclusion from percpu.h
percpu.h is included by sched.h and module.h and thus ends up being
included when building most .c files. percpu.h includes slab.h which
in turn includes gfp.h making everything defined by the two files
universally available and complicating inclusion dependencies.
percpu.h -> slab.h dependency is about to be removed. Prepare for
this change by updating users of gfp and slab facilities include those
headers directly instead of assuming availability. As this conversion
needs to touch large number of source files, the following script is
used as the basis of conversion.
http://userweb.kernel.org/~tj/misc/slabh-sweep.py
The script does the followings.
* Scan files for gfp and slab usages and update includes such that
only the necessary includes are there. ie. if only gfp is used,
gfp.h, if slab is used, slab.h.
* When the script inserts a new include, it looks at the include
blocks and try to put the new include such that its order conforms
to its surrounding. It's put in the include block which contains
core kernel includes, in the same order that the rest are ordered -
alphabetical, Christmas tree, rev-Xmas-tree or at the end if there
doesn't seem to be any matching order.
* If the script can't find a place to put a new include (mostly
because the file doesn't have fitting include block), it prints out
an error message indicating which .h file needs to be added to the
file.
The conversion was done in the following steps.
1. The initial automatic conversion of all .c files updated slightly
over 4000 files, deleting around 700 includes and adding ~480 gfp.h
and ~3000 slab.h inclusions. The script emitted errors for ~400
files.
2. Each error was manually checked. Some didn't need the inclusion,
some needed manual addition while adding it to implementation .h or
embedding .c file was more appropriate for others. This step added
inclusions to around 150 files.
3. The script was run again and the output was compared to the edits
from #2 to make sure no file was left behind.
4. Several build tests were done and a couple of problems were fixed.
e.g. lib/decompress_*.c used malloc/free() wrappers around slab
APIs requiring slab.h to be added manually.
5. The script was run on all .h files but without automatically
editing them as sprinkling gfp.h and slab.h inclusions around .h
files could easily lead to inclusion dependency hell. Most gfp.h
inclusion directives were ignored as stuff from gfp.h was usually
wildly available and often used in preprocessor macros. Each
slab.h inclusion directive was examined and added manually as
necessary.
6. percpu.h was updated not to include slab.h.
7. Build test were done on the following configurations and failures
were fixed. CONFIG_GCOV_KERNEL was turned off for all tests (as my
distributed build env didn't work with gcov compiles) and a few
more options had to be turned off depending on archs to make things
build (like ipr on powerpc/64 which failed due to missing writeq).
* x86 and x86_64 UP and SMP allmodconfig and a custom test config.
* powerpc and powerpc64 SMP allmodconfig
* sparc and sparc64 SMP allmodconfig
* ia64 SMP allmodconfig
* s390 SMP allmodconfig
* alpha SMP allmodconfig
* um on x86_64 SMP allmodconfig
8. percpu.h modifications were reverted so that it could be applied as
a separate patch and serve as bisection point.
Given the fact that I had only a couple of failures from tests on step
6, I'm fairly confident about the coverage of this conversion patch.
If there is a breakage, it's likely to be something in one of the arch
headers which should be easily discoverable easily on most builds of
the specific arch.
Signed-off-by: Tejun Heo <tj@kernel.org>
Guess-its-ok-by: Christoph Lameter <cl@linux-foundation.org>
Cc: Ingo Molnar <mingo@redhat.com>
Cc: Lee Schermerhorn <Lee.Schermerhorn@hp.com>
2010-03-24 16:04:11 +08:00
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#include <linux/slab.h>
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2011-08-02 12:03:04 +08:00
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#include <linux/of_device.h>
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2012-09-12 11:43:44 +08:00
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#include <linux/regmap.h>
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2008-06-05 20:49:32 +08:00
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#include <sound/core.h>
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#include <sound/pcm.h>
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#include <sound/pcm_params.h>
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#include <sound/soc.h>
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#include <sound/initval.h>
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#include "wm8510.h"
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/*
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* wm8510 register cache
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* We can't read the WM8510 register space when we are
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* using 2 wire for device control, so we cache them instead.
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*/
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2012-09-12 11:43:44 +08:00
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static const struct reg_default wm8510_reg_defaults[] = {
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{ 1, 0x0000 },
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{ 2, 0x0000 },
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{ 3, 0x0000 },
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{ 4, 0x0050 },
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{ 5, 0x0000 },
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{ 6, 0x0140 },
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{ 7, 0x0000 },
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{ 8, 0x0000 },
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{ 9, 0x0000 },
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{ 10, 0x0000 },
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{ 11, 0x00ff },
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{ 12, 0x0000 },
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{ 13, 0x0000 },
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{ 14, 0x0100 },
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{ 15, 0x00ff },
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{ 16, 0x0000 },
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{ 17, 0x0000 },
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{ 18, 0x012c },
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{ 19, 0x002c },
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{ 20, 0x002c },
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{ 21, 0x002c },
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{ 22, 0x002c },
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{ 23, 0x0000 },
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{ 24, 0x0032 },
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{ 25, 0x0000 },
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{ 26, 0x0000 },
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{ 27, 0x0000 },
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{ 28, 0x0000 },
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{ 29, 0x0000 },
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{ 30, 0x0000 },
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{ 31, 0x0000 },
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{ 32, 0x0038 },
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{ 33, 0x000b },
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{ 34, 0x0032 },
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{ 35, 0x0000 },
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{ 36, 0x0008 },
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{ 37, 0x000c },
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{ 38, 0x0093 },
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{ 39, 0x00e9 },
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{ 40, 0x0000 },
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{ 41, 0x0000 },
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{ 42, 0x0000 },
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{ 43, 0x0000 },
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{ 44, 0x0003 },
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{ 45, 0x0010 },
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{ 46, 0x0000 },
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{ 47, 0x0000 },
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{ 48, 0x0000 },
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{ 49, 0x0002 },
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{ 50, 0x0001 },
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{ 51, 0x0000 },
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{ 52, 0x0000 },
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{ 53, 0x0000 },
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{ 54, 0x0039 },
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{ 55, 0x0000 },
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{ 56, 0x0001 },
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2008-06-05 20:49:32 +08:00
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};
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2012-09-12 11:43:44 +08:00
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static bool wm8510_volatile(struct device *dev, unsigned int reg)
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{
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switch (reg) {
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case WM8510_RESET:
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return true;
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default:
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return false;
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}
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}
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2008-10-07 20:04:58 +08:00
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#define WM8510_POWER1_BIASEN 0x08
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#define WM8510_POWER1_BUFIOEN 0x10
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2009-07-06 00:24:50 +08:00
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#define wm8510_reset(c) snd_soc_write(c, WM8510_RESET, 0)
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2008-06-05 20:49:32 +08:00
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2010-03-18 04:15:21 +08:00
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/* codec private data */
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struct wm8510_priv {
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2012-09-12 11:43:44 +08:00
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struct regmap *regmap;
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2010-03-18 04:15:21 +08:00
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};
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2008-06-05 20:49:32 +08:00
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static const char *wm8510_companding[] = { "Off", "NC", "u-law", "A-law" };
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static const char *wm8510_deemp[] = { "None", "32kHz", "44.1kHz", "48kHz" };
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static const char *wm8510_alc[] = { "ALC", "Limiter" };
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static const struct soc_enum wm8510_enum[] = {
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SOC_ENUM_SINGLE(WM8510_COMP, 1, 4, wm8510_companding), /* adc */
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SOC_ENUM_SINGLE(WM8510_COMP, 3, 4, wm8510_companding), /* dac */
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SOC_ENUM_SINGLE(WM8510_DAC, 4, 4, wm8510_deemp),
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SOC_ENUM_SINGLE(WM8510_ALC3, 8, 2, wm8510_alc),
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};
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static const struct snd_kcontrol_new wm8510_snd_controls[] = {
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SOC_SINGLE("Digital Loopback Switch", WM8510_COMP, 0, 1, 0),
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SOC_ENUM("DAC Companding", wm8510_enum[1]),
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SOC_ENUM("ADC Companding", wm8510_enum[0]),
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SOC_ENUM("Playback De-emphasis", wm8510_enum[2]),
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SOC_SINGLE("DAC Inversion Switch", WM8510_DAC, 0, 1, 0),
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SOC_SINGLE("Master Playback Volume", WM8510_DACVOL, 0, 127, 0),
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SOC_SINGLE("High Pass Filter Switch", WM8510_ADC, 8, 1, 0),
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SOC_SINGLE("High Pass Cut Off", WM8510_ADC, 4, 7, 0),
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SOC_SINGLE("ADC Inversion Switch", WM8510_COMP, 0, 1, 0),
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SOC_SINGLE("Capture Volume", WM8510_ADCVOL, 0, 127, 0),
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SOC_SINGLE("DAC Playback Limiter Switch", WM8510_DACLIM1, 8, 1, 0),
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SOC_SINGLE("DAC Playback Limiter Decay", WM8510_DACLIM1, 4, 15, 0),
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SOC_SINGLE("DAC Playback Limiter Attack", WM8510_DACLIM1, 0, 15, 0),
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SOC_SINGLE("DAC Playback Limiter Threshold", WM8510_DACLIM2, 4, 7, 0),
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SOC_SINGLE("DAC Playback Limiter Boost", WM8510_DACLIM2, 0, 15, 0),
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SOC_SINGLE("ALC Enable Switch", WM8510_ALC1, 8, 1, 0),
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SOC_SINGLE("ALC Capture Max Gain", WM8510_ALC1, 3, 7, 0),
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SOC_SINGLE("ALC Capture Min Gain", WM8510_ALC1, 0, 7, 0),
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SOC_SINGLE("ALC Capture ZC Switch", WM8510_ALC2, 8, 1, 0),
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SOC_SINGLE("ALC Capture Hold", WM8510_ALC2, 4, 7, 0),
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SOC_SINGLE("ALC Capture Target", WM8510_ALC2, 0, 15, 0),
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SOC_ENUM("ALC Capture Mode", wm8510_enum[3]),
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SOC_SINGLE("ALC Capture Decay", WM8510_ALC3, 4, 15, 0),
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SOC_SINGLE("ALC Capture Attack", WM8510_ALC3, 0, 15, 0),
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SOC_SINGLE("ALC Capture Noise Gate Switch", WM8510_NGATE, 3, 1, 0),
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SOC_SINGLE("ALC Capture Noise Gate Threshold", WM8510_NGATE, 0, 7, 0),
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SOC_SINGLE("Capture PGA ZC Switch", WM8510_INPPGA, 7, 1, 0),
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SOC_SINGLE("Capture PGA Volume", WM8510_INPPGA, 0, 63, 0),
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SOC_SINGLE("Speaker Playback ZC Switch", WM8510_SPKVOL, 7, 1, 0),
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SOC_SINGLE("Speaker Playback Switch", WM8510_SPKVOL, 6, 1, 1),
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SOC_SINGLE("Speaker Playback Volume", WM8510_SPKVOL, 0, 63, 0),
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SOC_SINGLE("Speaker Boost", WM8510_OUTPUT, 2, 1, 0),
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SOC_SINGLE("Capture Boost(+20dB)", WM8510_ADCBOOST, 8, 1, 0),
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SOC_SINGLE("Mono Playback Switch", WM8510_MONOMIX, 6, 1, 1),
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};
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/* Speaker Output Mixer */
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static const struct snd_kcontrol_new wm8510_speaker_mixer_controls[] = {
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SOC_DAPM_SINGLE("Line Bypass Switch", WM8510_SPKMIX, 1, 1, 0),
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SOC_DAPM_SINGLE("Aux Playback Switch", WM8510_SPKMIX, 5, 1, 0),
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SOC_DAPM_SINGLE("PCM Playback Switch", WM8510_SPKMIX, 0, 1, 0),
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};
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/* Mono Output Mixer */
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static const struct snd_kcontrol_new wm8510_mono_mixer_controls[] = {
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SOC_DAPM_SINGLE("Line Bypass Switch", WM8510_MONOMIX, 1, 1, 0),
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SOC_DAPM_SINGLE("Aux Playback Switch", WM8510_MONOMIX, 2, 1, 0),
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SOC_DAPM_SINGLE("PCM Playback Switch", WM8510_MONOMIX, 0, 1, 0),
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};
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static const struct snd_kcontrol_new wm8510_boost_controls[] = {
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2008-10-06 18:33:21 +08:00
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SOC_DAPM_SINGLE("Mic PGA Switch", WM8510_INPPGA, 6, 1, 1),
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2008-06-05 20:49:32 +08:00
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SOC_DAPM_SINGLE("Aux Volume", WM8510_ADCBOOST, 0, 7, 0),
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SOC_DAPM_SINGLE("Mic Volume", WM8510_ADCBOOST, 4, 7, 0),
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};
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static const struct snd_kcontrol_new wm8510_micpga_controls[] = {
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SOC_DAPM_SINGLE("MICP Switch", WM8510_INPUT, 0, 1, 0),
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SOC_DAPM_SINGLE("MICN Switch", WM8510_INPUT, 1, 1, 0),
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SOC_DAPM_SINGLE("AUX Switch", WM8510_INPUT, 2, 1, 0),
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};
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static const struct snd_soc_dapm_widget wm8510_dapm_widgets[] = {
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SND_SOC_DAPM_MIXER("Speaker Mixer", WM8510_POWER3, 2, 0,
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&wm8510_speaker_mixer_controls[0],
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ARRAY_SIZE(wm8510_speaker_mixer_controls)),
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SND_SOC_DAPM_MIXER("Mono Mixer", WM8510_POWER3, 3, 0,
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&wm8510_mono_mixer_controls[0],
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ARRAY_SIZE(wm8510_mono_mixer_controls)),
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SND_SOC_DAPM_DAC("DAC", "HiFi Playback", WM8510_POWER3, 0, 0),
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SND_SOC_DAPM_ADC("ADC", "HiFi Capture", WM8510_POWER2, 0, 0),
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SND_SOC_DAPM_PGA("Aux Input", WM8510_POWER1, 6, 0, NULL, 0),
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SND_SOC_DAPM_PGA("SpkN Out", WM8510_POWER3, 5, 0, NULL, 0),
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SND_SOC_DAPM_PGA("SpkP Out", WM8510_POWER3, 6, 0, NULL, 0),
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SND_SOC_DAPM_PGA("Mono Out", WM8510_POWER3, 7, 0, NULL, 0),
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2008-10-07 23:13:50 +08:00
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SND_SOC_DAPM_MIXER("Mic PGA", WM8510_POWER2, 2, 0,
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&wm8510_micpga_controls[0],
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ARRAY_SIZE(wm8510_micpga_controls)),
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2008-06-05 20:49:32 +08:00
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SND_SOC_DAPM_MIXER("Boost Mixer", WM8510_POWER2, 4, 0,
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&wm8510_boost_controls[0],
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ARRAY_SIZE(wm8510_boost_controls)),
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SND_SOC_DAPM_MICBIAS("Mic Bias", WM8510_POWER1, 4, 0),
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SND_SOC_DAPM_INPUT("MICN"),
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SND_SOC_DAPM_INPUT("MICP"),
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SND_SOC_DAPM_INPUT("AUX"),
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SND_SOC_DAPM_OUTPUT("MONOOUT"),
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SND_SOC_DAPM_OUTPUT("SPKOUTP"),
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SND_SOC_DAPM_OUTPUT("SPKOUTN"),
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};
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|
2011-12-03 19:41:45 +08:00
|
|
|
static const struct snd_soc_dapm_route wm8510_dapm_routes[] = {
|
2008-06-05 20:49:32 +08:00
|
|
|
/* Mono output mixer */
|
|
|
|
|
{"Mono Mixer", "PCM Playback Switch", "DAC"},
|
|
|
|
|
{"Mono Mixer", "Aux Playback Switch", "Aux Input"},
|
|
|
|
|
{"Mono Mixer", "Line Bypass Switch", "Boost Mixer"},
|
|
|
|
|
|
|
|
|
|
/* Speaker output mixer */
|
|
|
|
|
{"Speaker Mixer", "PCM Playback Switch", "DAC"},
|
|
|
|
|
{"Speaker Mixer", "Aux Playback Switch", "Aux Input"},
|
|
|
|
|
{"Speaker Mixer", "Line Bypass Switch", "Boost Mixer"},
|
|
|
|
|
|
|
|
|
|
/* Outputs */
|
|
|
|
|
{"Mono Out", NULL, "Mono Mixer"},
|
|
|
|
|
{"MONOOUT", NULL, "Mono Out"},
|
|
|
|
|
{"SpkN Out", NULL, "Speaker Mixer"},
|
|
|
|
|
{"SpkP Out", NULL, "Speaker Mixer"},
|
|
|
|
|
{"SPKOUTN", NULL, "SpkN Out"},
|
|
|
|
|
{"SPKOUTP", NULL, "SpkP Out"},
|
|
|
|
|
|
|
|
|
|
/* Microphone PGA */
|
|
|
|
|
{"Mic PGA", "MICN Switch", "MICN"},
|
|
|
|
|
{"Mic PGA", "MICP Switch", "MICP"},
|
|
|
|
|
{ "Mic PGA", "AUX Switch", "Aux Input" },
|
|
|
|
|
|
|
|
|
|
/* Boost Mixer */
|
|
|
|
|
{"Boost Mixer", "Mic PGA Switch", "Mic PGA"},
|
|
|
|
|
{"Boost Mixer", "Mic Volume", "MICP"},
|
|
|
|
|
{"Boost Mixer", "Aux Volume", "Aux Input"},
|
|
|
|
|
|
|
|
|
|
{"ADC", NULL, "Boost Mixer"},
|
|
|
|
|
};
|
|
|
|
|
|
|
|
|
|
struct pll_ {
|
|
|
|
|
unsigned int pre_div:4; /* prescale - 1 */
|
|
|
|
|
unsigned int n:4;
|
|
|
|
|
unsigned int k;
|
|
|
|
|
};
|
|
|
|
|
|
|
|
|
|
static struct pll_ pll_div;
|
|
|
|
|
|
|
|
|
|
/* The size in bits of the pll divide multiplied by 10
|
|
|
|
|
* to allow rounding later */
|
|
|
|
|
#define FIXED_PLL_SIZE ((1 << 24) * 10)
|
|
|
|
|
|
|
|
|
|
static void pll_factors(unsigned int target, unsigned int source)
|
|
|
|
|
{
|
|
|
|
|
unsigned long long Kpart;
|
|
|
|
|
unsigned int K, Ndiv, Nmod;
|
|
|
|
|
|
|
|
|
|
Ndiv = target / source;
|
|
|
|
|
if (Ndiv < 6) {
|
|
|
|
|
source >>= 1;
|
|
|
|
|
pll_div.pre_div = 1;
|
|
|
|
|
Ndiv = target / source;
|
|
|
|
|
} else
|
|
|
|
|
pll_div.pre_div = 0;
|
|
|
|
|
|
|
|
|
|
if ((Ndiv < 6) || (Ndiv > 12))
|
|
|
|
|
printk(KERN_WARNING
|
2009-05-28 08:08:39 +08:00
|
|
|
"WM8510 N value %u outwith recommended range!d\n",
|
2008-06-05 20:49:32 +08:00
|
|
|
Ndiv);
|
|
|
|
|
|
|
|
|
|
pll_div.n = Ndiv;
|
|
|
|
|
Nmod = target % source;
|
|
|
|
|
Kpart = FIXED_PLL_SIZE * (long long)Nmod;
|
|
|
|
|
|
|
|
|
|
do_div(Kpart, source);
|
|
|
|
|
|
|
|
|
|
K = Kpart & 0xFFFFFFFF;
|
|
|
|
|
|
|
|
|
|
/* Check if we need to round */
|
|
|
|
|
if ((K % 10) >= 5)
|
|
|
|
|
K += 5;
|
|
|
|
|
|
|
|
|
|
/* Move down to proper range now rounding is done */
|
|
|
|
|
K /= 10;
|
|
|
|
|
|
|
|
|
|
pll_div.k = K;
|
|
|
|
|
}
|
|
|
|
|
|
2009-09-06 01:52:16 +08:00
|
|
|
static int wm8510_set_dai_pll(struct snd_soc_dai *codec_dai, int pll_id,
|
|
|
|
|
int source, unsigned int freq_in, unsigned int freq_out)
|
2008-06-05 20:49:32 +08:00
|
|
|
{
|
|
|
|
|
struct snd_soc_codec *codec = codec_dai->codec;
|
|
|
|
|
u16 reg;
|
|
|
|
|
|
|
|
|
|
if (freq_in == 0 || freq_out == 0) {
|
|
|
|
|
/* Clock CODEC directly from MCLK */
|
2009-07-06 00:24:50 +08:00
|
|
|
reg = snd_soc_read(codec, WM8510_CLOCK);
|
|
|
|
|
snd_soc_write(codec, WM8510_CLOCK, reg & 0x0ff);
|
2008-06-05 20:49:32 +08:00
|
|
|
|
|
|
|
|
/* Turn off PLL */
|
2009-07-06 00:24:50 +08:00
|
|
|
reg = snd_soc_read(codec, WM8510_POWER1);
|
|
|
|
|
snd_soc_write(codec, WM8510_POWER1, reg & 0x1df);
|
2008-06-05 20:49:32 +08:00
|
|
|
return 0;
|
|
|
|
|
}
|
|
|
|
|
|
2009-03-04 15:24:26 +08:00
|
|
|
pll_factors(freq_out*4, freq_in);
|
2008-06-05 20:49:32 +08:00
|
|
|
|
2009-07-06 00:24:50 +08:00
|
|
|
snd_soc_write(codec, WM8510_PLLN, (pll_div.pre_div << 4) | pll_div.n);
|
|
|
|
|
snd_soc_write(codec, WM8510_PLLK1, pll_div.k >> 18);
|
|
|
|
|
snd_soc_write(codec, WM8510_PLLK2, (pll_div.k >> 9) & 0x1ff);
|
|
|
|
|
snd_soc_write(codec, WM8510_PLLK3, pll_div.k & 0x1ff);
|
|
|
|
|
reg = snd_soc_read(codec, WM8510_POWER1);
|
|
|
|
|
snd_soc_write(codec, WM8510_POWER1, reg | 0x020);
|
2008-06-05 20:49:32 +08:00
|
|
|
|
|
|
|
|
/* Run CODEC from PLL instead of MCLK */
|
2009-07-06 00:24:50 +08:00
|
|
|
reg = snd_soc_read(codec, WM8510_CLOCK);
|
|
|
|
|
snd_soc_write(codec, WM8510_CLOCK, reg | 0x100);
|
2008-06-05 20:49:32 +08:00
|
|
|
|
|
|
|
|
return 0;
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
/*
|
|
|
|
|
* Configure WM8510 clock dividers.
|
|
|
|
|
*/
|
2008-07-07 23:07:52 +08:00
|
|
|
static int wm8510_set_dai_clkdiv(struct snd_soc_dai *codec_dai,
|
2008-06-05 20:49:32 +08:00
|
|
|
int div_id, int div)
|
|
|
|
|
{
|
|
|
|
|
struct snd_soc_codec *codec = codec_dai->codec;
|
|
|
|
|
u16 reg;
|
|
|
|
|
|
|
|
|
|
switch (div_id) {
|
|
|
|
|
case WM8510_OPCLKDIV:
|
2009-07-06 00:24:50 +08:00
|
|
|
reg = snd_soc_read(codec, WM8510_GPIO) & 0x1cf;
|
|
|
|
|
snd_soc_write(codec, WM8510_GPIO, reg | div);
|
2008-06-05 20:49:32 +08:00
|
|
|
break;
|
|
|
|
|
case WM8510_MCLKDIV:
|
2009-07-06 00:24:50 +08:00
|
|
|
reg = snd_soc_read(codec, WM8510_CLOCK) & 0x11f;
|
|
|
|
|
snd_soc_write(codec, WM8510_CLOCK, reg | div);
|
2008-06-05 20:49:32 +08:00
|
|
|
break;
|
|
|
|
|
case WM8510_ADCCLK:
|
2009-07-06 00:24:50 +08:00
|
|
|
reg = snd_soc_read(codec, WM8510_ADC) & 0x1f7;
|
|
|
|
|
snd_soc_write(codec, WM8510_ADC, reg | div);
|
2008-06-05 20:49:32 +08:00
|
|
|
break;
|
|
|
|
|
case WM8510_DACCLK:
|
2009-07-06 00:24:50 +08:00
|
|
|
reg = snd_soc_read(codec, WM8510_DAC) & 0x1f7;
|
|
|
|
|
snd_soc_write(codec, WM8510_DAC, reg | div);
|
2008-06-05 20:49:32 +08:00
|
|
|
break;
|
|
|
|
|
case WM8510_BCLKDIV:
|
2009-07-06 00:24:50 +08:00
|
|
|
reg = snd_soc_read(codec, WM8510_CLOCK) & 0x1e3;
|
|
|
|
|
snd_soc_write(codec, WM8510_CLOCK, reg | div);
|
2008-06-05 20:49:32 +08:00
|
|
|
break;
|
|
|
|
|
default:
|
|
|
|
|
return -EINVAL;
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
return 0;
|
|
|
|
|
}
|
|
|
|
|
|
2008-07-07 23:07:52 +08:00
|
|
|
static int wm8510_set_dai_fmt(struct snd_soc_dai *codec_dai,
|
2008-06-05 20:49:32 +08:00
|
|
|
unsigned int fmt)
|
|
|
|
|
{
|
|
|
|
|
struct snd_soc_codec *codec = codec_dai->codec;
|
|
|
|
|
u16 iface = 0;
|
2009-07-06 00:24:50 +08:00
|
|
|
u16 clk = snd_soc_read(codec, WM8510_CLOCK) & 0x1fe;
|
2008-06-05 20:49:32 +08:00
|
|
|
|
|
|
|
|
/* set master/slave audio interface */
|
|
|
|
|
switch (fmt & SND_SOC_DAIFMT_MASTER_MASK) {
|
|
|
|
|
case SND_SOC_DAIFMT_CBM_CFM:
|
|
|
|
|
clk |= 0x0001;
|
|
|
|
|
break;
|
|
|
|
|
case SND_SOC_DAIFMT_CBS_CFS:
|
|
|
|
|
break;
|
|
|
|
|
default:
|
|
|
|
|
return -EINVAL;
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
/* interface format */
|
|
|
|
|
switch (fmt & SND_SOC_DAIFMT_FORMAT_MASK) {
|
|
|
|
|
case SND_SOC_DAIFMT_I2S:
|
|
|
|
|
iface |= 0x0010;
|
|
|
|
|
break;
|
|
|
|
|
case SND_SOC_DAIFMT_RIGHT_J:
|
|
|
|
|
break;
|
|
|
|
|
case SND_SOC_DAIFMT_LEFT_J:
|
|
|
|
|
iface |= 0x0008;
|
|
|
|
|
break;
|
|
|
|
|
case SND_SOC_DAIFMT_DSP_A:
|
|
|
|
|
iface |= 0x00018;
|
|
|
|
|
break;
|
|
|
|
|
default:
|
|
|
|
|
return -EINVAL;
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
/* clock inversion */
|
|
|
|
|
switch (fmt & SND_SOC_DAIFMT_INV_MASK) {
|
|
|
|
|
case SND_SOC_DAIFMT_NB_NF:
|
|
|
|
|
break;
|
|
|
|
|
case SND_SOC_DAIFMT_IB_IF:
|
|
|
|
|
iface |= 0x0180;
|
|
|
|
|
break;
|
|
|
|
|
case SND_SOC_DAIFMT_IB_NF:
|
|
|
|
|
iface |= 0x0100;
|
|
|
|
|
break;
|
|
|
|
|
case SND_SOC_DAIFMT_NB_IF:
|
|
|
|
|
iface |= 0x0080;
|
|
|
|
|
break;
|
|
|
|
|
default:
|
|
|
|
|
return -EINVAL;
|
|
|
|
|
}
|
|
|
|
|
|
2009-07-06 00:24:50 +08:00
|
|
|
snd_soc_write(codec, WM8510_IFACE, iface);
|
|
|
|
|
snd_soc_write(codec, WM8510_CLOCK, clk);
|
2008-06-05 20:49:32 +08:00
|
|
|
return 0;
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
static int wm8510_pcm_hw_params(struct snd_pcm_substream *substream,
|
2008-11-19 06:11:38 +08:00
|
|
|
struct snd_pcm_hw_params *params,
|
|
|
|
|
struct snd_soc_dai *dai)
|
2008-06-05 20:49:32 +08:00
|
|
|
{
|
2012-04-04 22:58:16 +08:00
|
|
|
struct snd_soc_codec *codec = dai->codec;
|
2009-07-06 00:24:50 +08:00
|
|
|
u16 iface = snd_soc_read(codec, WM8510_IFACE) & 0x19f;
|
|
|
|
|
u16 adn = snd_soc_read(codec, WM8510_ADD) & 0x1f1;
|
2008-06-05 20:49:32 +08:00
|
|
|
|
|
|
|
|
/* bit size */
|
|
|
|
|
switch (params_format(params)) {
|
|
|
|
|
case SNDRV_PCM_FORMAT_S16_LE:
|
|
|
|
|
break;
|
|
|
|
|
case SNDRV_PCM_FORMAT_S20_3LE:
|
|
|
|
|
iface |= 0x0020;
|
|
|
|
|
break;
|
|
|
|
|
case SNDRV_PCM_FORMAT_S24_LE:
|
|
|
|
|
iface |= 0x0040;
|
|
|
|
|
break;
|
|
|
|
|
case SNDRV_PCM_FORMAT_S32_LE:
|
|
|
|
|
iface |= 0x0060;
|
|
|
|
|
break;
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
/* filter coefficient */
|
|
|
|
|
switch (params_rate(params)) {
|
2009-12-24 08:13:51 +08:00
|
|
|
case 8000:
|
2008-06-05 20:49:32 +08:00
|
|
|
adn |= 0x5 << 1;
|
|
|
|
|
break;
|
2009-12-24 08:13:51 +08:00
|
|
|
case 11025:
|
2008-06-05 20:49:32 +08:00
|
|
|
adn |= 0x4 << 1;
|
|
|
|
|
break;
|
2009-12-24 08:13:51 +08:00
|
|
|
case 16000:
|
2008-06-05 20:49:32 +08:00
|
|
|
adn |= 0x3 << 1;
|
|
|
|
|
break;
|
2009-12-24 08:13:51 +08:00
|
|
|
case 22050:
|
2008-06-05 20:49:32 +08:00
|
|
|
adn |= 0x2 << 1;
|
|
|
|
|
break;
|
2009-12-24 08:13:51 +08:00
|
|
|
case 32000:
|
2008-06-05 20:49:32 +08:00
|
|
|
adn |= 0x1 << 1;
|
|
|
|
|
break;
|
2009-12-24 08:13:51 +08:00
|
|
|
case 44100:
|
|
|
|
|
case 48000:
|
2008-06-05 20:49:32 +08:00
|
|
|
break;
|
|
|
|
|
}
|
|
|
|
|
|
2009-07-06 00:24:50 +08:00
|
|
|
snd_soc_write(codec, WM8510_IFACE, iface);
|
|
|
|
|
snd_soc_write(codec, WM8510_ADD, adn);
|
2008-06-05 20:49:32 +08:00
|
|
|
return 0;
|
|
|
|
|
}
|
|
|
|
|
|
2008-07-07 23:07:52 +08:00
|
|
|
static int wm8510_mute(struct snd_soc_dai *dai, int mute)
|
2008-06-05 20:49:32 +08:00
|
|
|
{
|
|
|
|
|
struct snd_soc_codec *codec = dai->codec;
|
2009-07-06 00:24:50 +08:00
|
|
|
u16 mute_reg = snd_soc_read(codec, WM8510_DAC) & 0xffbf;
|
2008-06-05 20:49:32 +08:00
|
|
|
|
|
|
|
|
if (mute)
|
2009-07-06 00:24:50 +08:00
|
|
|
snd_soc_write(codec, WM8510_DAC, mute_reg | 0x40);
|
2008-06-05 20:49:32 +08:00
|
|
|
else
|
2009-07-06 00:24:50 +08:00
|
|
|
snd_soc_write(codec, WM8510_DAC, mute_reg);
|
2008-06-05 20:49:32 +08:00
|
|
|
return 0;
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
/* liam need to make this lower power with dapm */
|
|
|
|
|
static int wm8510_set_bias_level(struct snd_soc_codec *codec,
|
|
|
|
|
enum snd_soc_bias_level level)
|
|
|
|
|
{
|
2012-09-12 11:43:44 +08:00
|
|
|
struct wm8510_priv *wm8510 = snd_soc_codec_get_drvdata(codec);
|
2009-07-06 00:24:50 +08:00
|
|
|
u16 power1 = snd_soc_read(codec, WM8510_POWER1) & ~0x3;
|
2008-06-05 20:49:32 +08:00
|
|
|
|
|
|
|
|
switch (level) {
|
|
|
|
|
case SND_SOC_BIAS_ON:
|
|
|
|
|
case SND_SOC_BIAS_PREPARE:
|
2008-10-07 20:04:58 +08:00
|
|
|
power1 |= 0x1; /* VMID 50k */
|
2009-07-06 00:24:50 +08:00
|
|
|
snd_soc_write(codec, WM8510_POWER1, power1);
|
2008-10-07 20:04:58 +08:00
|
|
|
break;
|
|
|
|
|
|
2008-06-05 20:49:32 +08:00
|
|
|
case SND_SOC_BIAS_STANDBY:
|
2008-10-07 20:04:58 +08:00
|
|
|
power1 |= WM8510_POWER1_BIASEN | WM8510_POWER1_BUFIOEN;
|
|
|
|
|
|
2010-11-05 21:53:46 +08:00
|
|
|
if (codec->dapm.bias_level == SND_SOC_BIAS_OFF) {
|
2012-09-12 11:43:44 +08:00
|
|
|
regcache_sync(wm8510->regmap);
|
2011-10-07 21:36:27 +08:00
|
|
|
|
2008-10-07 20:04:58 +08:00
|
|
|
/* Initial cap charge at VMID 5k */
|
2009-07-06 00:24:50 +08:00
|
|
|
snd_soc_write(codec, WM8510_POWER1, power1 | 0x3);
|
2008-10-07 20:04:58 +08:00
|
|
|
mdelay(100);
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
power1 |= 0x2; /* VMID 500k */
|
2009-07-06 00:24:50 +08:00
|
|
|
snd_soc_write(codec, WM8510_POWER1, power1);
|
2008-06-05 20:49:32 +08:00
|
|
|
break;
|
2008-10-07 20:04:58 +08:00
|
|
|
|
2008-06-05 20:49:32 +08:00
|
|
|
case SND_SOC_BIAS_OFF:
|
2009-07-06 00:24:50 +08:00
|
|
|
snd_soc_write(codec, WM8510_POWER1, 0);
|
|
|
|
|
snd_soc_write(codec, WM8510_POWER2, 0);
|
|
|
|
|
snd_soc_write(codec, WM8510_POWER3, 0);
|
2008-06-05 20:49:32 +08:00
|
|
|
break;
|
|
|
|
|
}
|
2008-10-07 20:04:58 +08:00
|
|
|
|
2010-11-05 21:53:46 +08:00
|
|
|
codec->dapm.bias_level = level;
|
2008-06-05 20:49:32 +08:00
|
|
|
return 0;
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
#define WM8510_RATES (SNDRV_PCM_RATE_8000 | SNDRV_PCM_RATE_11025 |\
|
|
|
|
|
SNDRV_PCM_RATE_16000 | SNDRV_PCM_RATE_22050 |\
|
|
|
|
|
SNDRV_PCM_RATE_44100 | SNDRV_PCM_RATE_48000)
|
|
|
|
|
|
|
|
|
|
#define WM8510_FORMATS (SNDRV_PCM_FMTBIT_S16_LE | SNDRV_PCM_FMTBIT_S20_3LE |\
|
|
|
|
|
SNDRV_PCM_FMTBIT_S24_LE | SNDRV_PCM_FMTBIT_S32_LE)
|
|
|
|
|
|
2011-11-23 18:40:40 +08:00
|
|
|
static const struct snd_soc_dai_ops wm8510_dai_ops = {
|
2009-03-03 09:41:00 +08:00
|
|
|
.hw_params = wm8510_pcm_hw_params,
|
|
|
|
|
.digital_mute = wm8510_mute,
|
|
|
|
|
.set_fmt = wm8510_set_dai_fmt,
|
|
|
|
|
.set_clkdiv = wm8510_set_dai_clkdiv,
|
|
|
|
|
.set_pll = wm8510_set_dai_pll,
|
|
|
|
|
};
|
|
|
|
|
|
2010-03-18 04:15:21 +08:00
|
|
|
static struct snd_soc_dai_driver wm8510_dai = {
|
|
|
|
|
.name = "wm8510-hifi",
|
2008-06-05 20:49:32 +08:00
|
|
|
.playback = {
|
|
|
|
|
.stream_name = "Playback",
|
|
|
|
|
.channels_min = 2,
|
|
|
|
|
.channels_max = 2,
|
|
|
|
|
.rates = WM8510_RATES,
|
|
|
|
|
.formats = WM8510_FORMATS,},
|
|
|
|
|
.capture = {
|
|
|
|
|
.stream_name = "Capture",
|
|
|
|
|
.channels_min = 2,
|
|
|
|
|
.channels_max = 2,
|
|
|
|
|
.rates = WM8510_RATES,
|
|
|
|
|
.formats = WM8510_FORMATS,},
|
2009-03-03 09:41:00 +08:00
|
|
|
.ops = &wm8510_dai_ops,
|
2009-07-09 18:28:07 +08:00
|
|
|
.symmetric_rates = 1,
|
2008-06-05 20:49:32 +08:00
|
|
|
};
|
|
|
|
|
|
2011-12-02 17:18:28 +08:00
|
|
|
static int wm8510_suspend(struct snd_soc_codec *codec)
|
2008-06-05 20:49:32 +08:00
|
|
|
{
|
|
|
|
|
wm8510_set_bias_level(codec, SND_SOC_BIAS_OFF);
|
|
|
|
|
return 0;
|
|
|
|
|
}
|
|
|
|
|
|
2010-03-18 04:15:21 +08:00
|
|
|
static int wm8510_resume(struct snd_soc_codec *codec)
|
2008-06-05 20:49:32 +08:00
|
|
|
{
|
|
|
|
|
wm8510_set_bias_level(codec, SND_SOC_BIAS_STANDBY);
|
|
|
|
|
return 0;
|
|
|
|
|
}
|
|
|
|
|
|
2010-03-18 04:15:21 +08:00
|
|
|
static int wm8510_probe(struct snd_soc_codec *codec)
|
2008-06-05 20:49:32 +08:00
|
|
|
{
|
2010-03-18 04:15:21 +08:00
|
|
|
int ret;
|
2008-06-05 20:49:32 +08:00
|
|
|
|
2012-09-12 11:43:44 +08:00
|
|
|
ret = snd_soc_codec_set_cache_io(codec, 7, 9, SND_SOC_REGMAP);
|
2009-07-06 00:24:50 +08:00
|
|
|
if (ret < 0) {
|
2010-03-18 04:15:21 +08:00
|
|
|
printk(KERN_ERR "wm8510: failed to set cache I/O: %d\n", ret);
|
|
|
|
|
return ret;
|
2009-07-06 00:24:50 +08:00
|
|
|
}
|
|
|
|
|
|
2008-06-05 20:49:32 +08:00
|
|
|
wm8510_reset(codec);
|
|
|
|
|
|
|
|
|
|
/* power on device */
|
|
|
|
|
wm8510_set_bias_level(codec, SND_SOC_BIAS_STANDBY);
|
2009-11-04 06:13:13 +08:00
|
|
|
|
2008-06-05 20:49:32 +08:00
|
|
|
return ret;
|
|
|
|
|
}
|
|
|
|
|
|
2010-03-18 04:15:21 +08:00
|
|
|
/* power down chip */
|
|
|
|
|
static int wm8510_remove(struct snd_soc_codec *codec)
|
2008-06-05 20:49:32 +08:00
|
|
|
{
|
2010-03-18 04:15:21 +08:00
|
|
|
wm8510_set_bias_level(codec, SND_SOC_BIAS_OFF);
|
2008-06-05 20:49:32 +08:00
|
|
|
return 0;
|
|
|
|
|
}
|
|
|
|
|
|
2010-03-18 04:15:21 +08:00
|
|
|
static struct snd_soc_codec_driver soc_codec_dev_wm8510 = {
|
|
|
|
|
.probe = wm8510_probe,
|
|
|
|
|
.remove = wm8510_remove,
|
|
|
|
|
.suspend = wm8510_suspend,
|
|
|
|
|
.resume = wm8510_resume,
|
|
|
|
|
.set_bias_level = wm8510_set_bias_level,
|
2011-12-03 19:41:45 +08:00
|
|
|
|
|
|
|
|
.controls = wm8510_snd_controls,
|
|
|
|
|
.num_controls = ARRAY_SIZE(wm8510_snd_controls),
|
|
|
|
|
.dapm_widgets = wm8510_dapm_widgets,
|
|
|
|
|
.num_dapm_widgets = ARRAY_SIZE(wm8510_dapm_widgets),
|
|
|
|
|
.dapm_routes = wm8510_dapm_routes,
|
|
|
|
|
.num_dapm_routes = ARRAY_SIZE(wm8510_dapm_routes),
|
2008-06-05 20:49:32 +08:00
|
|
|
};
|
|
|
|
|
|
2011-08-02 12:03:04 +08:00
|
|
|
static const struct of_device_id wm8510_of_match[] = {
|
|
|
|
|
{ .compatible = "wlf,wm8510" },
|
|
|
|
|
{ },
|
|
|
|
|
};
|
|
|
|
|
|
2012-09-12 11:43:44 +08:00
|
|
|
static const struct regmap_config wm8510_regmap = {
|
|
|
|
|
.reg_bits = 7,
|
|
|
|
|
.val_bits = 9,
|
|
|
|
|
.max_register = WM8510_MONOMIX,
|
|
|
|
|
|
|
|
|
|
.reg_defaults = wm8510_reg_defaults,
|
|
|
|
|
.num_reg_defaults = ARRAY_SIZE(wm8510_reg_defaults),
|
|
|
|
|
.cache_type = REGCACHE_RBTREE,
|
|
|
|
|
|
|
|
|
|
.volatile_reg = wm8510_volatile,
|
|
|
|
|
};
|
|
|
|
|
|
2008-10-07 18:56:20 +08:00
|
|
|
#if defined(CONFIG_SPI_MASTER)
|
|
|
|
|
static int __devinit wm8510_spi_probe(struct spi_device *spi)
|
|
|
|
|
{
|
2010-03-18 04:15:21 +08:00
|
|
|
struct wm8510_priv *wm8510;
|
2008-10-07 18:56:20 +08:00
|
|
|
int ret;
|
|
|
|
|
|
2012-09-12 09:24:12 +08:00
|
|
|
wm8510 = devm_kzalloc(&spi->dev, sizeof(struct wm8510_priv),
|
|
|
|
|
GFP_KERNEL);
|
2010-03-18 04:15:21 +08:00
|
|
|
if (wm8510 == NULL)
|
|
|
|
|
return -ENOMEM;
|
|
|
|
|
|
2012-09-12 11:43:44 +08:00
|
|
|
wm8510->regmap = devm_regmap_init_spi(spi, &wm8510_regmap);
|
|
|
|
|
if (IS_ERR(wm8510->regmap))
|
|
|
|
|
return PTR_ERR(wm8510->regmap);
|
|
|
|
|
|
2010-03-18 04:15:21 +08:00
|
|
|
spi_set_drvdata(spi, wm8510);
|
2008-10-07 18:56:20 +08:00
|
|
|
|
2010-03-18 04:15:21 +08:00
|
|
|
ret = snd_soc_register_codec(&spi->dev,
|
|
|
|
|
&soc_codec_dev_wm8510, &wm8510_dai, 1);
|
2012-09-12 09:24:12 +08:00
|
|
|
|
2008-10-07 18:56:20 +08:00
|
|
|
return ret;
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
static int __devexit wm8510_spi_remove(struct spi_device *spi)
|
|
|
|
|
{
|
2010-03-18 04:15:21 +08:00
|
|
|
snd_soc_unregister_codec(&spi->dev);
|
2008-10-07 18:56:20 +08:00
|
|
|
return 0;
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
static struct spi_driver wm8510_spi_driver = {
|
|
|
|
|
.driver = {
|
|
|
|
|
.name = "wm8510",
|
|
|
|
|
.owner = THIS_MODULE,
|
2011-08-02 12:03:04 +08:00
|
|
|
.of_match_table = wm8510_of_match,
|
2008-10-07 18:56:20 +08:00
|
|
|
},
|
|
|
|
|
.probe = wm8510_spi_probe,
|
|
|
|
|
.remove = __devexit_p(wm8510_spi_remove),
|
|
|
|
|
};
|
|
|
|
|
#endif /* CONFIG_SPI_MASTER */
|
|
|
|
|
|
2010-03-18 04:15:21 +08:00
|
|
|
#if defined(CONFIG_I2C) || defined(CONFIG_I2C_MODULE)
|
|
|
|
|
static __devinit int wm8510_i2c_probe(struct i2c_client *i2c,
|
|
|
|
|
const struct i2c_device_id *id)
|
2008-06-05 20:49:32 +08:00
|
|
|
{
|
2010-03-18 04:15:21 +08:00
|
|
|
struct wm8510_priv *wm8510;
|
|
|
|
|
int ret;
|
2008-06-05 20:49:32 +08:00
|
|
|
|
2012-09-12 09:24:12 +08:00
|
|
|
wm8510 = devm_kzalloc(&i2c->dev, sizeof(struct wm8510_priv),
|
|
|
|
|
GFP_KERNEL);
|
2010-03-18 04:15:21 +08:00
|
|
|
if (wm8510 == NULL)
|
2008-06-05 20:49:32 +08:00
|
|
|
return -ENOMEM;
|
|
|
|
|
|
2012-09-12 11:43:44 +08:00
|
|
|
wm8510->regmap = devm_regmap_init_i2c(i2c, &wm8510_regmap);
|
|
|
|
|
if (IS_ERR(wm8510->regmap))
|
|
|
|
|
return PTR_ERR(wm8510->regmap);
|
|
|
|
|
|
2010-03-18 04:15:21 +08:00
|
|
|
i2c_set_clientdata(i2c, wm8510);
|
2008-06-05 20:49:32 +08:00
|
|
|
|
2010-03-18 04:15:21 +08:00
|
|
|
ret = snd_soc_register_codec(&i2c->dev,
|
|
|
|
|
&soc_codec_dev_wm8510, &wm8510_dai, 1);
|
2012-09-12 09:24:12 +08:00
|
|
|
|
2008-06-05 20:49:32 +08:00
|
|
|
return ret;
|
|
|
|
|
}
|
|
|
|
|
|
2010-03-18 04:15:21 +08:00
|
|
|
static __devexit int wm8510_i2c_remove(struct i2c_client *client)
|
2008-06-05 20:49:32 +08:00
|
|
|
{
|
2010-03-18 04:15:21 +08:00
|
|
|
snd_soc_unregister_codec(&client->dev);
|
2008-06-05 20:49:32 +08:00
|
|
|
return 0;
|
|
|
|
|
}
|
|
|
|
|
|
2010-03-18 04:15:21 +08:00
|
|
|
static const struct i2c_device_id wm8510_i2c_id[] = {
|
|
|
|
|
{ "wm8510", 0 },
|
|
|
|
|
{ }
|
|
|
|
|
};
|
|
|
|
|
MODULE_DEVICE_TABLE(i2c, wm8510_i2c_id);
|
|
|
|
|
|
|
|
|
|
static struct i2c_driver wm8510_i2c_driver = {
|
|
|
|
|
.driver = {
|
2011-12-03 06:08:49 +08:00
|
|
|
.name = "wm8510",
|
2010-03-18 04:15:21 +08:00
|
|
|
.owner = THIS_MODULE,
|
2011-08-02 12:03:04 +08:00
|
|
|
.of_match_table = wm8510_of_match,
|
2010-03-18 04:15:21 +08:00
|
|
|
},
|
|
|
|
|
.probe = wm8510_i2c_probe,
|
|
|
|
|
.remove = __devexit_p(wm8510_i2c_remove),
|
|
|
|
|
.id_table = wm8510_i2c_id,
|
2008-06-05 20:49:32 +08:00
|
|
|
};
|
2010-03-18 04:15:21 +08:00
|
|
|
#endif
|
2008-06-05 20:49:32 +08:00
|
|
|
|
2008-12-10 14:47:22 +08:00
|
|
|
static int __init wm8510_modinit(void)
|
2008-12-09 03:17:58 +08:00
|
|
|
{
|
2010-03-18 04:15:21 +08:00
|
|
|
int ret = 0;
|
|
|
|
|
#if defined(CONFIG_I2C) || defined(CONFIG_I2C_MODULE)
|
|
|
|
|
ret = i2c_add_driver(&wm8510_i2c_driver);
|
|
|
|
|
if (ret != 0) {
|
|
|
|
|
printk(KERN_ERR "Failed to register WM8510 I2C driver: %d\n",
|
|
|
|
|
ret);
|
|
|
|
|
}
|
|
|
|
|
#endif
|
|
|
|
|
#if defined(CONFIG_SPI_MASTER)
|
|
|
|
|
ret = spi_register_driver(&wm8510_spi_driver);
|
|
|
|
|
if (ret != 0) {
|
|
|
|
|
printk(KERN_ERR "Failed to register WM8510 SPI driver: %d\n",
|
|
|
|
|
ret);
|
|
|
|
|
}
|
|
|
|
|
#endif
|
|
|
|
|
return ret;
|
2008-12-09 03:17:58 +08:00
|
|
|
}
|
|
|
|
|
module_init(wm8510_modinit);
|
|
|
|
|
|
|
|
|
|
static void __exit wm8510_exit(void)
|
|
|
|
|
{
|
2010-03-18 04:15:21 +08:00
|
|
|
#if defined(CONFIG_I2C) || defined(CONFIG_I2C_MODULE)
|
|
|
|
|
i2c_del_driver(&wm8510_i2c_driver);
|
|
|
|
|
#endif
|
|
|
|
|
#if defined(CONFIG_SPI_MASTER)
|
|
|
|
|
spi_unregister_driver(&wm8510_spi_driver);
|
|
|
|
|
#endif
|
2008-12-09 03:17:58 +08:00
|
|
|
}
|
|
|
|
|
module_exit(wm8510_exit);
|
|
|
|
|
|
2008-06-05 20:49:32 +08:00
|
|
|
MODULE_DESCRIPTION("ASoC WM8510 driver");
|
|
|
|
|
MODULE_AUTHOR("Liam Girdwood");
|
|
|
|
|
MODULE_LICENSE("GPL");
|