| Commit message (Collapse) | Author | Age |
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Sometimes we need the uncached reads, e.g. for refreshing the tree.
This patch provides the helper function for that and uses it for
refreshing widgets, reading subtrees and the whole proc reads.
Signed-off-by: Takashi Iwai <tiwai@suse.de>
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Let's start converting the access functions to regmap.
The first one is the simplest, just converting the codec parameter
read helper function snd_hda_param_read().
Signed-off-by: Takashi Iwai <tiwai@suse.de>
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This patch adds an infrastructure to support regmap-based verb
accesses. Because o the asymmetric nature of HD-audio verbs,
especially the amp verbs, we need to translate the verbs as a sort of
pseudo registers to be mapped uniquely in regmap.
In this patch, a pseudo register is built from the NID, the
AC_VERB_GET_* and 8bit parameters, i.e. almost in the form to be sent
to HD-audio bus but without codec address field. OTOH, for writing,
the same pseudo register is translated to AC_VERB_SET_* automatically.
The AC_VERB_SET_AMP_* verb is re-encoded from the corresponding
AC_VERB_GET_AMP_* verb and parameter at writing.
Some verbs has a single command for read but multiple for writes. A
write for such a verb is split automatically to multiple verbs.
The patch provides also a few handy helper functions. They are
designed to be accessible even without regmap. When no regmap is set
up (e.g. before the codec device instantiation), the direct hardware
access is used. Also, it tries to avoid the unnecessary power-up.
The power up/down sequence is performed only on demand.
The codec driver needs to call snd_hdac_regmap_exit() and
snd_hdac_regmap_exit() at probe and remove if it wants the regmap
access.
There is one flag added to hdac_device. When the flag lazy_cache is
set, regmap helper ignores a write for a suspended device and returns
as if it was actually written. It reduces the hardware access pretty
much, e.g. when adjusting the mixer volume while in idle. This
assumes that the driver will sync the cache later at resume properly,
so use it carefully.
Signed-off-by: Takashi Iwai <tiwai@suse.de>
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This will be used by the regmap support.
Signed-off-by: Takashi Iwai <tiwai@suse.de>
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A regression was introduced in 7639a06c23c7d4cda3: if AC_PAR_SUBSYSTEM_ID
reads as zero, one should retry using AC_VERB_GET_SUBSYSTEM_ID.
This seems to hit many codecs (my own laptop included), and causes
quirks for some machines not to apply correctly.
Reported-by: TienFu Chen <tienfu.chen@canonical.com>
Signed-off-by: David Henningsson <david.henningsson@canonical.com>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
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My codec has a beep-generating node:
$ cat /proc/asound/card1/codec#0
Codec: VIA VT1802
...
Vendor Id: 0x11068446
Subsystem Id: 0x15587410
Revision Id: 0x100000
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Node 0x22 [Beep Generator Widget] wcaps 0x70040c: Mono Amp-Out
Amp-Out caps: ofs=0x0a, nsteps=0x12, stepsize=0x05, mute=1
Amp-Out vals: [0x0a]
Power states: D0 D1 D2 D3
Power: setting=D0, actual=D0
...
But I was missing the:
Control: name=...
entries that I need to manage this widget from alsamixer. With this
patch (based on the similar Mono Amp-Out handling in
patch_conexant.c), I get a new:
input: HDA Digital PCBeep as /devices/pci0000:00/0000:00:1b.0/sound/card1/hdaudioC1D0/input15
entry in dmesg and controls to manage that beep:
$ cat /proc/asound/card1/codec#0 | grep -A5 Beep
Node 0x22 [Beep Generator Widget] wcaps 0x70040c: Mono Amp-Out
Control: name="Beep Playback Volume", index=0, device=0
ControlAmp: chs=1, dir=Out, idx=0, ofs=0
Control: name="Beep Playback Switch", index=0, device=0
ControlAmp: chs=1, dir=Out, idx=0, ofs=0
Amp-Out caps: ofs=0x0a, nsteps=0x12, stepsize=0x05, mute=1
Amp-Out vals: [0x12]
Power states: D0 D1 D2 D3
Power: setting=D0, actual=D0
[rebased and modified for the latest tree by tiwai]
Signed-off-by: W. Trevor King <wking@tremily.us>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
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Just forgotten to remove. It's now in sound/hdaudio.h.
Reported-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
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Replace duplicated const keyword for 'sampleclock_sources' with proper
array of const pointers to const strings.
Signed-off-by: Krzysztof Kozlowski <k.kozlowski@samsung.com>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
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Make the returns a bit more kernel standard style.
Signed-off-by: Joe Perches <joe@perches.com>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
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We need to cap "ucontrol->id.index / num_busses_in(chip)" so the we
don't read beyond the end of the array.
I also adding a check on "in" and changing the type in
snd_echo_mixer_put() from short to unsigned int. Those changes are done
for symmetry and are cosmetic.
Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
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"err" is always a negative error code here, so there is no point in
checking. Removing the check silences a static checker warning and
makes the code a bit more clear. Also we don't need to initialize "err".
Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
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Now let's take the basic tracepoints back to the HD-audio driver.
The three bus tracepoints, hda_send_cmd, hda_get_response and
hda_unsol_event are revived but in a slightly different form.
Since we don't assign the card number there, print the bus device name
instead.
Signed-off-by: Takashi Iwai <tiwai@suse.de>
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When the driver is unloaded before the codec is bound, it still keeps
the runtime PM refcount up, and results in the unbalance. This patch
covers these cases by introducing a flag indicating the runtime PM
initialization and handling the codec registration procedure more
properly. It also fixes the missing input beep device as a gratis,
too.
Signed-off-by: Takashi Iwai <tiwai@suse.de>
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Add an overriding exec_verb op to struct hdac_device so that the call
via snd_hdac_exec_verb() can switch to a different route depending on
the setup. The codec driver sets this field so that it can handle the
errors or applying quirks appropriately. Furthermore, this mechanism
will be used for smooth transition for the regmap support in later
patches.
Signed-off-by: Takashi Iwai <tiwai@suse.de>
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This patch changes the sysfs files assigned to the codec device on the
bus which were formerly identical with hwdep sysfs files. Now it
shows only a few core parameter, vendor_id, subsystem_id, revision_id,
afg, mfg, vendor_name and chip_name.
In addition, now a widget tree is added to the bus device sysfs
directory for showing the widget topology and attributes. It's just a
flat tree consisting of subdirectories named as the widget NID
including various attributes like widget capability bits. The AFG
(usually NID 0x01) is always found there, and it contains always
amp_in_caps, amp_out_caps and power_caps files. Each of these
attributes show a single value. The rest are the widget nodes
belonging to that AFG. Note that the child node might not start from
0x02 but from another value like 0x0a.
Each child node may contain caps, pin_caps, amp_in_caps, amp_out_caps,
power_caps and connections files. The caps (representing the widget
capability bits) always contain a value. The rest may contain
value(s) if the attribute exists on the node. Only connections file
show multiple values while other attributes have zero or one single
value.
An example of ls -R output is like below:
% ls -R /sys/bus/hdaudio/devices/hdaudioC0D0/
/sys/bus/hdaudio/devices/hdaudioC0D0/widgets/:
01/ 04/ 07/ 0a/ 0d/ 10/ 13/ 16/ 19/ 1c/ 1f/ 22/
02/ 05/ 08/ 0b/ 0e/ 11/ 14/ 17/ 1a/ 1d/ 20/ 23/
03/ 06/ 09/ 0c/ 0f/ 12/ 15/ 18/ 1b/ 1e/ 21/
/sys/bus/hdaudio/devices/hdaudioC0D0/widgets/01:
amp_in_caps amp_out_caps power_caps
/sys/bus/hdaudio/devices/hdaudioC0D0/widgets/02:
amp_in_caps amp_out_caps caps connections pin_caps pin_cfg
power_caps
/sys/bus/hdaudio/devices/hdaudioC0D0/widgets/03:
.....
Signed-off-by: Takashi Iwai <tiwai@suse.de>
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Now some codes and functionalities of hda_codec struct are moved to
hdac_device struct. A few basic attributes like the codec address,
vendor ID number, FG numbers, etc are moved to hdac_device, and they
are accessed like codec->core.addr. The basic verb exec functions are
moved, too.
Signed-off-by: Takashi Iwai <tiwai@suse.de>
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A few basic codes for communicating over HD-audio bus are moved to
struct hdac_bus now. It has only command and get_response ops in
addition to the unsolicited event handling.
Note that the codec-side tracing support is disabled temporarily
during this transition due to the code shuffling. It will be
re-enabled later once when all pieces are settled down.
Signed-off-by: Takashi Iwai <tiwai@suse.de>
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Define the common hd-audio driver and device types to bind over
snd_hda_bus_type publicly. This allows to implement other type of
device and driver code over hd-audio bus.
Now both struct hda_codec and struct hda_codec_driver inherit these
new struct hdac_device and struct hdac_driver, respectively.
The bus registration is done in subsys_initcall() to assure it
before any other driver registrations.
Signed-off-by: Takashi Iwai <tiwai@suse.de>
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David suggested that the name "power_mgmt" is too ambiguous. Rename
the flag with a bit clearer one "power_save_node".
Also, add the corresponding description to HD-Audio.txt, too.
Reported-by: David Henningsson <david.henningsson@canonical.com>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
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Some pins are used for controlling the LED with the VREF value.
This patch changes the power behavior of such pins to be constantly
up. A new state, pin_fixed, is introduced to nid_path to indicate
that the path contains the fixed pin. This improves also the
readability a bit for other static routes, too.
Then a helper function snd_hda_gen_fix_pin_power() is called from the
codec driver for such fixed pins, and it will create fake paths
containing only these pins with pin_fixed=1 flag.
Reported-by: David Henningsson <david.henningsson@canonical.com>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
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As the widget PM may turn off the pins, this might lead to the silent
output for beep when no explicit paths are given. This patch adds
fake output paths for the beep widget so that the output pins are
dynamically powered upon beep on/off.
Signed-off-by: Takashi Iwai <tiwai@suse.de>
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VIA codecs used to have the own power controls but they were disabled
at transition to the generic parser due to the coding assuming the
fixed routes. Now we get the proper support of equivalently fine
power management in the generic parser, and the old kludges can be
replaced with it. This results in the reduction of lots of dead
codes.
The advanced PM feature is disabled as default like before for keeping
the compatible behavior. It's enabled via "Dynamic Power-Control"
mixer element.
Signed-off-by: Takashi Iwai <tiwai@suse.de>
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This patch enables the finer power state control of each widget
depending on the jack plug state and streaming state in addition to
the existing power_down_unused power optimization. The new feature is
enabled only when codec->power_mgmt flag is set.
Two new flags, pin_enabled and stream_enabled, are introduced in
nid_path struct for marking the two individual power states: the pin
plug/unplug and DAC/ADC stream, respectively. They can be set
statically in case they are static routes (e.g. some mixer paths),
too.
The power up and down events for each pin are triggered via the
standard hda_jack table. The call order is hard-coded, relying on the
current implementation of jack event chain (a la FILO/stack order).
One point to be dealt carefully is that DAC/ADC cannot be powered
on/off while streaming. They are pinned as long as the stream is
running. For controlling the power of DAC/ADC, a new patch_ops is
added. The generic parser provides the default callback for that.
As of this patch, only IDT/Sigmatel codec driver enables the flag.
The support on other codecs will follow.
An assumption we made in this code is that the widget state (e.g. amp,
pinctl, connections) remains after the widget power transition (not
about FG power transition). This is true for IDT codecs, at least.
But if the widget state is lost at widget power transition, we'd need
to implement additional code to sync the cached amp/verbs for the
specific NID.
Signed-off-by: Takashi Iwai <tiwai@suse.de>
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This patch does two things:
- code refactoring with a local helper function,
- allow codec drivers to provide the specific PCM stream info pointers
only for overriding the non-NULL entries, instead of copying the
whole.
This simplifies the codec driver side (currently the only user is
alc269's 44kHz fixed rate).
Signed-off-by: Takashi Iwai <tiwai@suse.de>
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of_device_id is always used as const.
(See driver.of_match_table and open firmware functions)
Signed-off-by: Fabian Frederick <fabf@skynet.be>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
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Add sampling rate control for ADC/DAC for ESI W192M.
Allow to switch between 48K/96K/192K sampling rate.
All DAC need to be mute when changing samplerate.
Signed-off-by: Clément Guedez <klem.dev@gmail.com>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
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Add text Line in/Mic for selecting input gain state in mixer for ESI W192M.
Signed-off-by: Clément Guedez <klem.dev@gmail.com>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
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Add TLV support to control volume using dB scale for input and ouput on ESI W192M.
Signed-off-by: Clément Guedez <klem.dev@gmail.com>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
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Enable midi i/o port of envy24 chip as their are available on ESI W192M soundcard.
Signed-off-by: Clément Guedez <klem.dev@gmail.com>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
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Update eeprom structure to C99 standard to be compliant with change in alsa.
It's just a notation change, no configuration change.
Signed-off-by: Clément Guedez <klem.dev@gmail.com>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
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Correct copy/paste name from prodigy driver, no behaviour change, only name.
Signed-off-by: Clément Guedez <klem.dev@gmail.com>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
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The driver shutdown ops is simpler than registering reboot notifier
manually. There should be no functional change by this -- the codec
driver calls its own callback while the bus driver just calls
azx_stop() like before.
Signed-off-by: Takashi Iwai <tiwai@suse.de>
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Move the destructor code to device release callback for the codec
object instead. This is a safer place to release the resources than
dev_free callback in general.
Signed-off-by: Takashi Iwai <tiwai@suse.de>
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The events that are handled by HD-audio drivers are no frequent and
urgent ones, so we can use the standard workqueue without any problem
nowadays.
Signed-off-by: Takashi Iwai <tiwai@suse.de>
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This makes the code flow easier -- instead of the controller driver
calling snd_hda_build_pcms() and snd_hda_build_controls() explicitly,
the codec driver itself builds PCMs and controls at probe time. Then
the controller driver only needs to call snd_card_register().
Also, this allows us the full bind/unbind control, too. Even when a
codec driver is bound later, it automatically registers the new PCM
and controls by itself.
Signed-off-by: Takashi Iwai <tiwai@suse.de>
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Now we have all pieces ready, and put them into places:
- add the hda_pcm refcount to azx_pcm_open() and azx_pcm_close(),
- call the most of cleanup code in hda_codec_reset() from the codec
driver remove,
- call the same code also from the hda_codec object free.
Then the codec driver can be unbound more safely now.
Signed-off-by: Takashi Iwai <tiwai@suse.de>
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Revive snd_device_disconnect() again so that it can be called from the
individual driver. This time, HD-audio will need it.
Signed-off-by: Takashi Iwai <tiwai@suse.de>
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The PCM ops might be set NULL, or cleared to NULL when the driver is
unbound. Give a proper NULL check at each place to be more robust.
Signed-off-by: Takashi Iwai <tiwai@suse.de>
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So far, the hda_codec object kept the hda_pcm list in an array, and
the codec driver was expected to assign the array. However, this
makes the object life cycle management harder, because the assigned
array is freed at the codec driver detach while it might be still
accessed by the opened streams.
In this patch, we allocate each hda_pcm object dynamically and manage
it as a linked list. Each object has a kref refcount, and both the
codec driver binder and the PCM open/close touches it, so that the
object won't be freed while in use.
Signed-off-by: Takashi Iwai <tiwai@suse.de>
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The memory allocators should have already given the kernel warning
messages, thus we don't have to annoy again.
Signed-off-by: Takashi Iwai <tiwai@suse.de>
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Allow the codec object to have an individual card pointer. Not only
this simplifies the redirections in many places, also this will allow
us to make each codec assigned to a different card object.
Signed-off-by: Takashi Iwai <tiwai@suse.de>
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snd_hda_build_pcms() does actually three things: let the codec driver
build up hda_pcm list, set the PCM default values, and call the
attach_pcm bus ops for each hda_pcm instance. The former two are
basically independent from the bus implementation, so it'd make the
code a bit more readable.
Signed-off-by: Takashi Iwai <tiwai@suse.de>
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We leave the pcm field of struct hda_pcm at removal of each device, so
far. This hasn't been a problem since unbinding the codec driver
isn't supposed to happen and another route via snd_hda_codec_reset()
clears all the once. However, for a proper unbind implementation, we
need to care about it.
This patch does the thing above properly:
- Include struct hda_pcm pointer instead of struct hda_pcm_stream
pointers in struct azx_dev. This allows us to point the hda_pcm
object at dev_free callback.
- Introduce to_hda_pcm_stream() macro for better readability.
Signed-off-by: Takashi Iwai <tiwai@suse.de>
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They are no longer used, let's kill them.
Signed-off-by: Takashi Iwai <tiwai@suse.de>
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Set the card device as the parent like other sound devices instead of
leaving it empty.
Signed-off-by: Takashi Iwai <tiwai@suse.de>
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So far, we let the controller driver power down the all codecs at the
end of probe. But this can be done better in the codec's dev_register
callback. This results in the reduction of duplicated codes in each
control driver.
Signed-off-by: Takashi Iwai <tiwai@suse.de>
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