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Commit 7ba31c3f authored by Linus Torvalds's avatar Linus Torvalds
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Merge tag 'staging-5.6-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/staging 

Pull staging and IIO updates from Greg KH:
 "Here is the big staging/iio driver patches for 5.6-rc1

  Included in here are:

   - lots of new IIO drivers and updates for that subsystem

   - the usual huge quantity of minor cleanups for staging drivers

   - removal of the following staging drivers:
       - isdn/avm
       - isdn/gigaset
       - isdn/hysdn
       - octeon-usb
       - octeon ethernet

  Overall we deleted far more lines than we added, removing over 40k of
  old and obsolete driver code.

  All of these changes have been in linux-next for a while with no
  reported issues"

* tag 'staging-5.6-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/staging: (353 commits)
  staging: most: usb: check for NULL device
  staging: next: configfs: fix release link
  staging: most: core: fix logging messages
  staging: most: core: remove container struct
  staging: most: remove struct device core driver
  staging: most: core: drop device reference
  staging: most: remove device from interface structure
  staging: comedi: drivers: fix spelling mistake "to" -> "too"
  staging: exfat: remove fs_func struct.
  staging: wilc1000: avoid mutex unlock without lock in wilc_wlan_handle_txq()
  staging: wilc1000: return zero on success and non-zero on function failure
  staging: axis-fifo: replace spinlock with mutex
  staging: wilc1000: remove unused code prior to throughput enhancement in SPI
  staging: wilc1000: added 'wilc_' prefix for 'struct assoc_resp' name
  staging: wilc1000: move firmware API struct's to separate header file
  staging: wilc1000: remove use of infinite loop conditions
  staging: kpc2000: rename variables with kpc namespace
  staging: vt6656: Remove memory buffer from vnt_download_firmware.
  staging: vt6656: Just check NEWRSR_DECRYPTOK for RX_FLAG_DECRYPTED.
  staging: vt6656: Use vnt_rx_tail struct for tail variables.
  ...
parents ca9b5b62 fc157998
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Documentation/ABI/testing/sysfs-bus-iio
View file @ 7ba31c3f
......@@ -1726,3 +1726,16 @@ Contact: linux-iio@vger.kernel.org
Description:
List of valid periods (in seconds) for which the light intensity
must be above the threshold level before interrupt is asserted.
What: /sys/bus/iio/devices/iio:deviceX/in_filter_notch_center_frequency
KernelVersion: 5.5
Contact: linux-iio@vger.kernel.org
Description:
Center frequency in Hz for a notch filter. Used i.e. for line
noise suppression.
What: /sys/bus/iio/devices/iio:deviceX/in_temp_thermocouple_type
KernelVersion: 5.5
Contact: linux-iio@vger.kernel.org
Description:
One of the following thermocouple types: B, E, J, K, N, R, S, T.
Documentation/ABI/testing/sysfs-bus-iio-dma-buffer 0 → 100644
View file @ 7ba31c3f
What: /sys/bus/iio/devices/iio:deviceX/buffer/length_align_bytes
KernelVersion: 5.4
Contact: linux-iio@vger.kernel.org
Description:
DMA buffers tend to have a alignment requirement for the
buffers. If this alignment requirement is not met samples might
be dropped from the buffer.
This property reports the alignment requirements in bytes.
This means that the buffer size in bytes needs to be a integer
multiple of the number reported by this file.
The alignment requirements in number of sample sets will depend
on the enabled channels and the bytes per channel. This means
that the alignment requirement in samples sets might change
depending on which and how many channels are enabled. Whereas
the alignment requirement reported in bytes by this property
will remain static and does not depend on which channels are
enabled.
Documentation/devicetree/bindings/iio/accel/adi,adis16240.yaml 0 → 100644
View file @ 7ba31c3f
# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
%YAML 1.2
---
$id: http://devicetree.org/schemas/iio/accel/adi,adis16240.yaml#
$schema: http://devicetree.org/meta-schemas/core.yaml#
title: ADIS16240 Programmable Impact Sensor and Recorder driver
maintainers:
- Alexandru Ardelean <alexandru.ardelean@analog.com>
description: |
ADIS16240 Programmable Impact Sensor and Recorder driver that supports
SPI interface.
https://www.analog.com/en/products/adis16240.html
properties:
compatible:
enum:
- adi,adis16240
reg:
maxItems: 1
interrupts:
maxItems: 1
required:
- compatible
- reg
- interrupts
examples:
- |
#include <dt-bindings/gpio/gpio.h>
#include <dt-bindings/interrupt-controller/irq.h>
spi0 {
#address-cells = <1>;
#size-cells = <0>;
/* Example for a SPI device node */
accelerometer@0 {
compatible = "adi,adis16240";
reg = <0>;
spi-max-frequency = <2500000>;
interrupt-parent = <&gpio0>;
interrupts = <0 IRQ_TYPE_LEVEL_HIGH>;
};
};
Documentation/devicetree/bindings/iio/accel/bma180.txt
View file @ 7ba31c3f
* Bosch BMA180 / BMA250 triaxial acceleration sensor
* Bosch BMA180 / BMA25x triaxial acceleration sensor
http://omapworld.com/BMA180_111_1002839.pdf
http://ae-bst.resource.bosch.com/media/products/dokumente/bma250/bst-bma250-ds002-05.pdf
Required properties:
- compatible : should be "bosch,bma180" or "bosch,bma250"
- compatible : should be one of:
"bosch,bma180"
"bosch,bma250"
"bosch,bma254"
- reg : the I2C address of the sensor
Optional properties:
......
Documentation/devicetree/bindings/iio/accel/bosch,bma400.yaml 0 → 100644
View file @ 7ba31c3f
# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
%YAML 1.2
---
$id: http://devicetree.org/schemas/iio/accel/bosch,bma400.yaml#
$schema: http://devicetree.org/meta-schemas/core.yaml#
title: Bosch BMA400 triaxial acceleration sensor
maintainers:
- Dan Robertson <dan@dlrobertson.com>
description: |
Acceleration and temperature iio sensors with an i2c interface
Specifications about the sensor can be found at:
https://ae-bst.resource.bosch.com/media/_tech/media/datasheets/BST-BMA400-DS000.pdf
properties:
compatible:
enum:
- bosch,bma400
reg:
maxItems: 1
vdd-supply:
description: phandle to the regulator that provides power to the accelerometer
vddio-supply:
description: phandle to the regulator that provides power to the sensor's IO
interrupts:
maxItems: 1
required:
- compatible
- reg
examples:
- |
#include <dt-bindings/gpio/gpio.h>
#include <dt-bindings/interrupt-controller/irq.h>
i2c {
#address-cells = <1>;
#size-cells = <0>;
accelerometer@14 {
compatible = "bosch,bma400";
reg = <0x14>;
vdd-supply = <&vdd>;
vddio-supply = <&vddio>;
interrupt-parent = <&gpio0>;
interrupts = <0 IRQ_TYPE_LEVEL_HIGH>;
};
};
Documentation/devicetree/bindings/iio/accel/kionix,kxcjk1013.txt
View file @ 7ba31c3f
......@@ -9,9 +9,16 @@ Required properties:
"kionix,kxtf9"
- reg: i2c slave address
Optional properties:
- mount-matrix: an optional 3x3 mounting rotation matrix
Example:
kxtf9@f {
compatible = "kionix,kxtf9";
reg = <0x0F>;
mount-matrix = "0", "1", "0",
"1", "0", "0",
"0", "0", "1";
};
Documentation/devicetree/bindings/iio/adc/adi,ad7091r5.yaml 0 → 100644
View file @ 7ba31c3f
# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
%YAML 1.2
---
$id: http://devicetree.org/schemas/iio/adc/adi,ad7091r5.yaml#
$schema: http://devicetree.org/meta-schemas/core.yaml#
title: Analog Devices AD7091R5 4-Channel 12-Bit ADC
maintainers:
- Beniamin Bia <beniamin.bia@analog.com>
description: |
Analog Devices AD7091R5 4-Channel 12-Bit ADC
https://www.analog.com/media/en/technical-documentation/data-sheets/ad7091r-5.pdf
properties:
compatible:
enum:
- adi,ad7091r5
reg:
maxItems: 1
vref-supply:
description:
Phandle to the vref power supply
interrupts:
maxItems: 1
required:
- compatible
- reg
additionalProperties: false
examples:
- |
#include <dt-bindings/gpio/gpio.h>
#include <dt-bindings/interrupt-controller/irq.h>
i2c {
#address-cells = <1>;
#size-cells = <0>;
adc@2f {
compatible = "adi,ad7091r5";
reg = <0x2f>;
interrupts = <25 IRQ_TYPE_EDGE_FALLING>;
interrupt-parent = <&gpio>;
};
};
...
Documentation/devicetree/bindings/iio/adc/lltc,ltc2496.yaml 0 → 100644
View file @ 7ba31c3f
# SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause)
%YAML 1.2
---
$id: http://devicetree.org/schemas/iio/adc/lltc,ltc2496.yaml#
$schema: http://devicetree.org/meta-schemas/core.yaml#
title: Linear Technology / Analog Devices LTC2496 ADC
maintainers:
- Lars-Peter Clausen <lars@metafoo.de>
- Michael Hennerich <Michael.Hennerich@analog.com>
- Stefan Popa <stefan.popa@analog.com>
properties:
compatible:
enum:
- lltc,ltc2496
vref-supply:
description: phandle to an external regulator providing the reference voltage
allOf:
- $ref: /schemas/types.yaml#/definitions/phandle
reg:
description: spi chipselect number according to the usual spi bindings
spi-max-frequency:
description: maximal spi bus frequency supported
required:
- compatible
- vref-supply
- reg
examples:
- |
spi {
#address-cells = <1>;
#size-cells = <0>;
adc@0 {
compatible = "lltc,ltc2496";
reg = <0>;
vref-supply = <&ltc2496_reg>;
spi-max-frequency = <2000000>;
};
};
Documentation/devicetree/bindings/iio/adc/sigma-delta-modulator.txt deleted 100644 → 0
View file @ ca9b5b62
Device-Tree bindings for sigma delta modulator
Required properties:
- compatible: should be "ads1201", "sd-modulator". "sd-modulator" can be use
as a generic SD modulator if modulator not specified in compatible list.
- #io-channel-cells = <0>: See the IIO bindings section "IIO consumers".
Example node:
ads1202: adc {
compatible = "sd-modulator";
#io-channel-cells = <0>;
};
Documentation/devicetree/bindings/iio/adc/sigma-delta-modulator.yaml 0 → 100644
View file @ 7ba31c3f
# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
%YAML 1.2
---
$id: http://devicetree.org/schemas/iio/adc/sigma-delta-modulator.yaml#
$schema: http://devicetree.org/meta-schemas/core.yaml#
title: Device-Tree bindings for sigma delta modulator
maintainers:
- Arnaud Pouliquen <arnaud.pouliquen@st.com>
properties:
compatible:
description: |
"sd-modulator" can be used as a generic SD modulator,
if the modulator is not specified in the compatible list.
enum:
- sd-modulator
- ads1201
'#io-channel-cells':
const: 0
required:
- compatible
- '#io-channel-cells'
additionalProperties: false
examples:
- |
ads1202: adc {
compatible = "sd-modulator";
#io-channel-cells = <0>;
};
...
Documentation/devicetree/bindings/iio/imu/adi,adis16480.txt
View file @ 7ba31c3f
......@@ -8,6 +8,7 @@ Required properties for the ADIS16480:
* "adi,adis16480"
* "adi,adis16485"
* "adi,adis16488"
* "adi,adis16490"
* "adi,adis16495-1"
* "adi,adis16495-2"
* "adi,adis16495-3"
......
Documentation/devicetree/bindings/iio/pressure/asc,dlhl60d.yaml 0 → 100644
View file @ 7ba31c3f
# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
%YAML 1.2
---
$id: http://devicetree.org/schemas/iio/pressure/asc,dlhl60d.yaml#
$schema: http://devicetree.org/meta-schemas/core.yaml#
title: All Sensors DLH series low voltage digital pressure sensors
maintainers:
- Tomislav Denis <tomislav.denis@avl.com>
description: |
Bindings for the All Sensors DLH series pressure sensors.
Specifications about the sensors can be found at:
http://www.allsensors.com/cad/DS-0355_Rev_B.PDF
properties:
compatible:
enum:
- asc,dlhl60d
- asc,dlhl60g
reg:
description: I2C device address
maxItems: 1
interrupts:
description: interrupt mapping for EOC(data ready) pin
maxItems: 1
required:
- compatible
- reg
examples:
- |
#include <dt-bindings/interrupt-controller/irq.h>
i2c0 {
#address-cells = <1>;
#size-cells = <0>;
pressure@29 {
compatible = "asc,dlhl60d";
reg = <0x29>;
interrupt-parent = <&gpio0>;
interrupts = <10 IRQ_TYPE_EDGE_RISING>;
};
};
...
Documentation/devicetree/bindings/iio/proximity/parallax-ping.yaml 0 → 100644
View file @ 7ba31c3f
# SPDX-License-Identifier: (GPL-2.0-or-later OR BSD-2-Clause)
%YAML 1.2
---
$id: http://devicetree.org/schemas/iio/proximity/parallax-ping.yaml#
$schema: http://devicetree.org/meta-schemas/core.yaml#
title: Parallax PING))) and LaserPING range finder
maintainers:
- Andreas Klinger <ak@it-klinger.de>
description: |
Bit-banging driver using one GPIO:
- ping-gpios is raised by the driver to start measurement
- direction of ping-gpio is then switched into input with an interrupt
for receiving distance value as PWM signal
Specifications about the devices can be found at:
http://parallax.com/sites/default/files/downloads/28041-LaserPING-2m-Rangefinder-Guide.pdf
http://parallax.com/sites/default/files/downloads/28015-PING-Documentation-v1.6.pdf
properties:
compatible:
enum:
- parallax,ping
- parallax,laserping
ping-gpios:
description:
Definition of the GPIO for the triggering and echo (output and input)
This GPIO is set for about 5 us by the driver to tell the device it
should initiate the measurement cycle. Afterwards the GPIO is switched
to input direction with an interrupt. The device sets it and the
length of the input signal corresponds to the measured distance.
It needs to be an GPIO which is able to deliver an interrupt because
the time between two interrupts is measured in the driver.
See Documentation/devicetree/bindings/gpio/gpio.txt for information
on how to specify a consumer gpio.
maxItems: 1
required:
- compatible
- ping-gpios
examples:
- |
#include <dt-bindings/gpio/gpio.h>
proximity {
compatible = "parallax,laserping";
ping-gpios = <&gpio0 26 GPIO_ACTIVE_HIGH>;
};
Documentation/devicetree/bindings/iio/temperature/maxim_thermocouple.txt
View file @ 7ba31c3f
......@@ -5,7 +5,10 @@ Maxim thermocouple support
Required properties:
- compatible: must be "maxim,max31855" or "maxim,max6675"
- compatible: must be "maxim,max6675" or one of the following:
"maxim,max31855k", "maxim,max31855j", "maxim,max31855n",
"maxim,max31855s", "maxim,max31855t", "maxim,max31855e",
"maxim,max31855r"; the generic "max,max31855" is deprecated.
- reg: SPI chip select number for the device
- spi-max-frequency: must be 4300000
- spi-cpha: must be defined for max6675 to enable SPI mode 1
......@@ -15,7 +18,7 @@ Required properties:
Example:
max31855@0 {
compatible = "maxim,max31855";
compatible = "maxim,max31855k";
reg = <0>;
spi-max-frequency = <4300000>;
};
Documentation/devicetree/bindings/vendor-prefixes.yaml
View file @ 7ba31c3f
......@@ -109,6 +109,8 @@ patternProperties:
description: Artesyn Embedded Technologies Inc.
"^asahi-kasei,.*":
description: Asahi Kasei Corp.
"^asc,.*":
description: All Sensors Corporation
"^aspeed,.*":
description: ASPEED Technology Inc.
"^asus,.*":
......@@ -717,6 +719,8 @@ patternProperties:
description: Panasonic Corporation
"^parade,.*":
description: Parade Technologies Inc.
"^parallax,.*":
description: Parallax Inc.
"^pda,.*":
description: Precision Design Associates, Inc.
"^pericom,.*":
......
Documentation/isdn/avmb1.rst deleted 100644 → 0
View file @ ca9b5b62
================================
Driver for active AVM Controller
================================
The driver provides a kernel capi2.0 Interface (kernelcapi) and
on top of this a User-Level-CAPI2.0-interface (capi)
and a driver to connect isdn4linux with CAPI2.0 (capidrv).
The lowlevel interface can be used to implement a CAPI2.0
also for passive cards since July 1999.
The author can be reached at calle@calle.in-berlin.de.
The command avmcapictrl is part of the isdn4k-utils.
t4-files can be found at ftp://ftp.avm.de/cardware/b1/linux/firmware
Currently supported cards:
- B1 ISA (all versions)
- B1 PCI
- T1/T1B (HEMA card)
- M1
- M2
- B1 PCMCIA
Installing
----------
You need at least /dev/capi20 to load the firmware.
::
mknod /dev/capi20 c 68 0
mknod /dev/capi20.00 c 68 1
mknod /dev/capi20.01 c 68 2
.
.
.
mknod /dev/capi20.19 c 68 20
Running
-------
To use the card you need the t4-files to download the firmware.
AVM GmbH provides several t4-files for the different D-channel
protocols (b1.t4 for Euro-ISDN). Install these file in /lib/isdn.
if you configure as modules load the modules this way::
insmod /lib/modules/current/misc/capiutil.o
insmod /lib/modules/current/misc/b1.o
insmod /lib/modules/current/misc/kernelcapi.o
insmod /lib/modules/current/misc/capidrv.o
insmod /lib/modules/current/misc/capi.o
if you have an B1-PCI card load the module b1pci.o::
insmod /lib/modules/current/misc/b1pci.o
and load the firmware with::
avmcapictrl load /lib/isdn/b1.t4 1
if you have an B1-ISA card load the module b1isa.o
and add the card by calling::
avmcapictrl add 0x150 15
and load the firmware by calling::
avmcapictrl load /lib/isdn/b1.t4 1
if you have an T1-ISA card load the module t1isa.o
and add the card by calling::
avmcapictrl add 0x450 15 T1 0
and load the firmware by calling::
avmcapictrl load /lib/isdn/t1.t4 1
if you have an PCMCIA card (B1/M1/M2) load the module b1pcmcia.o
before you insert the card.
Leased Lines with B1
--------------------
Init card and load firmware.
For an D64S use "FV: 1" as phone number
For an D64S2 use "FV: 1" and "FV: 2" for multilink
or "FV: 1,2" to use CAPI channel bundling.
/proc-Interface
-----------------
/proc/capi::
dr-xr-xr-x 2 root root 0 Jul 1 14:03 .
dr-xr-xr-x 82 root root 0 Jun 30 19:08 ..
-r--r--r-- 1 root root 0 Jul 1 14:03 applications
-r--r--r-- 1 root root 0 Jul 1 14:03 applstats
-r--r--r-- 1 root root 0 Jul 1 14:03 capi20
-r--r--r-- 1 root root 0 Jul 1 14:03 capidrv
-r--r--r-- 1 root root 0 Jul 1 14:03 controller
-r--r--r-- 1 root root 0 Jul 1 14:03 contrstats
-r--r--r-- 1 root root 0 Jul 1 14:03 driver
-r--r--r-- 1 root root 0 Jul 1 14:03 ncci
-r--r--r-- 1 root root 0 Jul 1 14:03 users
/proc/capi/applications:
applid level3cnt datablkcnt datablklen ncci-cnt recvqueuelen
level3cnt:
capi_register parameter
datablkcnt:
capi_register parameter
ncci-cnt:
current number of nccis (connections)
recvqueuelen:
number of messages on receive queue
for example::
1 -2 16 2048 1 0
2 2 7 2048 1 0
/proc/capi/applstats:
applid recvctlmsg nrecvdatamsg nsentctlmsg nsentdatamsg
recvctlmsg:
capi messages received without DATA_B3_IND
recvdatamsg:
capi DATA_B3_IND received
sentctlmsg:
capi messages sent without DATA_B3_REQ
sentdatamsg:
capi DATA_B3_REQ sent
for example::
1 2057 1699 1721 1699
/proc/capi/capi20: statistics of capi.o (/dev/capi20)
minor nopen nrecvdropmsg nrecvctlmsg nrecvdatamsg sentctlmsg sentdatamsg
minor:
minor device number of capi device
nopen:
number of calls to devices open
nrecvdropmsg:
capi messages dropped (messages in recvqueue in close)
nrecvctlmsg:
capi messages received without DATA_B3_IND
nrecvdatamsg:
capi DATA_B3_IND received
nsentctlmsg:
capi messages sent without DATA_B3_REQ
nsentdatamsg:
capi DATA_B3_REQ sent
for example::
1 2 18 0 16 2
/proc/capi/capidrv: statistics of capidrv.o (capi messages)
nrecvctlmsg nrecvdatamsg sentctlmsg sentdatamsg
nrecvctlmsg:
capi messages received without DATA_B3_IND
nrecvdatamsg:
capi DATA_B3_IND received
nsentctlmsg:
capi messages sent without DATA_B3_REQ
nsentdatamsg:
capi DATA_B3_REQ sent
for example:
2780 2226 2256 2226
/proc/capi/controller:
controller drivername state cardname controllerinfo
for example::
1 b1pci running b1pci-e000 B1 3.07-01 0xe000 19
2 t1isa running t1isa-450 B1 3.07-01 0x450 11 0
3 b1pcmcia running m2-150 B1 3.07-01 0x150 5
/proc/capi/contrstats:
controller nrecvctlmsg nrecvdatamsg sentctlmsg sentdatamsg
nrecvctlmsg:
capi messages received without DATA_B3_IND
nrecvdatamsg:
capi DATA_B3_IND received
nsentctlmsg:
capi messages sent without DATA_B3_REQ
nsentdatamsg:
capi DATA_B3_REQ sent
for example::
1 2845 2272 2310 2274
2 2 0 2 0
3 2 0 2 0
/proc/capi/driver:
drivername ncontroller
for example::
b1pci 1
t1isa 1
b1pcmcia 1
b1isa 0
/proc/capi/ncci:
apllid ncci winsize sendwindow
for example::
1 0x10101 8 0
/proc/capi/users: kernelmodules that use the kernelcapi.
name
for example::
capidrv
capi20
Questions
---------
Check out the FAQ (ftp.isdn4linux.de) or subscribe to the
linux-avmb1@calle.in-berlin.de mailing list by sending
a mail to majordomo@calle.in-berlin.de with
subscribe linux-avmb1
in the body.
German documentation and several scripts can be found at
ftp://ftp.avm.de/cardware/b1/linux/
Bugs
----
If you find any please let me know.
Enjoy,
Carsten Paeth (calle@calle.in-berlin.de)
Documentation/isdn/gigaset.rst deleted 100644 → 0
View file @ ca9b5b62
This diff is collapsed.
Documentation/isdn/hysdn.rst deleted 100644 → 0
View file @ ca9b5b62
============
Hysdn Driver
============
The hysdn driver has been written by
Werner Cornelius (werner@isdn4linux.de or werner@titro.de)
for Hypercope GmbH Aachen Germany. Hypercope agreed to publish this driver
under the GNU General Public License.
The CAPI 2.0-support was added by Ulrich Albrecht (ualbrecht@hypercope.de)
for Hypercope GmbH Aachen, Germany.
This program is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 2 of the License, or
(at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program; if not, write to the Free Software
Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
.. Table of contents
1. About the driver
2. Loading/Unloading the driver
3. Entries in the /proc filesystem
4. The /proc/net/hysdn/cardconfX file
5. The /proc/net/hysdn/cardlogX file
6. Where to get additional info and help
1. About the driver
===================
The drivers/isdn/hysdn subdir contains a driver for HYPERCOPEs active
PCI isdn cards Champ, Ergo and Metro. To enable support for this cards
enable ISDN support in the kernel config and support for HYSDN cards in
the active cards submenu. The driver may only be compiled and used if
support for loadable modules and the process filesystem have been enabled.
These cards provide two different interfaces to the kernel. Without the
optional CAPI 2.0 support, they register as ethernet card. IP-routing
to a ISDN-destination is performed on the card itself. All necessary
handlers for various protocols like ppp and others as well as config info
and firmware may be fetched from Hypercopes WWW-Site www.hypercope.de.
With CAPI 2.0 support enabled, the card can also be used as a CAPI 2.0
compliant devices with either CAPI 2.0 applications
(check isdn4k-utils) or -using the capidrv module- as a regular
isdn4linux device. This is done via the same mechanism as with the
active AVM cards and in fact uses the same module.
2. Loading/Unloading the driver
===============================
The module has no command line parameters and auto detects up to 10 cards
in the id-range 0-9.
If a loaded driver shall be unloaded all open files in the /proc/net/hysdn
subdir need to be closed and all ethernet interfaces allocated by this
driver must be shut down. Otherwise the module counter will avoid a module
unload.
If you are using the CAPI 2.0-interface, make sure to load/modprobe the
kernelcapi-module first.
If you plan to use the capidrv-link to isdn4linux, make sure to load
capidrv.o after all modules using this driver (i.e. after hysdn and
any avm-specific modules).
3. Entries in the /proc filesystem
==================================
When the module has been loaded it adds the directory hysdn in the
/proc/net tree. This directory contains exactly 2 file entries for each
card. One is called cardconfX and the other cardlogX, where X is the
card id number from 0 to 9.
The cards are numbered in the order found in the PCI config data.
4. The /proc/net/hysdn/cardconfX file
=====================================
This file may be read to get by everyone to get info about the cards type,
actual state, available features and used resources.
The first 3 entries (id, bus and slot) are PCI info fields, the following
type field gives the information about the cards type:
- 4 -> Ergo card (server card with 2 b-chans)
- 5 -> Metro card (server card with 4 or 8 b-chans)
- 6 -> Champ card (client card with 2 b-chans)
The following 3 fields show the hardware assignments for irq, iobase and the
dual ported memory (dp-mem).
The fields b-chans and fax-chans announce the available card resources of
this types for the user.
The state variable indicates the actual drivers state for this card with the
following assignments.
- 0 -> card has not been booted since driver load
- 1 -> card booting is actually in progess
- 2 -> card is in an error state due to a previous boot failure
- 3 -> card is booted and active
And the last field (device) shows the name of the ethernet device assigned
to this card. Up to the first successful boot this field only shows a -
to tell that no net device has been allocated up to now. Once a net device
has been allocated it remains assigned to this card, even if a card is
rebooted and an boot error occurs.
Writing to the cardconfX file boots the card or transfers config lines to
the cards firmware. The type of data is automatically detected when the
first data is written. Only root has write access to this file.
The firmware boot files are normally called hyclient.pof for client cards
and hyserver.pof for server cards.
After successfully writing the boot file, complete config files or single
config lines may be copied to this file.
If an error occurs the return value given to the writing process has the
following additional codes (decimal):
==== ============================================
1000 Another process is currently bootng the card
1001 Invalid firmware header
1002 Boards dual-port RAM test failed
1003 Internal firmware handler error
1004 Boot image size invalid
1005 First boot stage (bootstrap loader) failed
1006 Second boot stage failure
1007 Timeout waiting for card ready during boot
1008 Operation only allowed in booted state
1009 Config line too long
1010 Invalid channel number
1011 Timeout sending config data
==== ============================================
Additional info about error reasons may be fetched from the log output.
5. The /proc/net/hysdn/cardlogX file
====================================
The cardlogX file entry may be opened multiple for reading by everyone to
get the cards and drivers log data. Card messages always start with the
keyword LOG. All other lines are output from the driver.
The driver log data may be redirected to the syslog by selecting the
appropriate bitmask. The cards log messages will always be send to this
interface but never to the syslog.
A root user may write a decimal or hex (with 0x) value t this file to select
desired output options. As mentioned above the cards log dat is always
written to the cardlog file independent of the following options only used
to check and debug the driver itself:
For example::
echo "0x34560078" > /proc/net/hysdn/cardlog0
to output the hex log mask 34560078 for card 0.
The written value is regarded as an unsigned 32-Bit value, bit ored for
desired output. The following bits are already assigned:
========== ============================================================
0x80000000 All driver log data is alternatively via syslog
0x00000001 Log memory allocation errors
0x00000010 Firmware load start and close are logged
0x00000020 Log firmware record parser
0x00000040 Log every firmware write actions
0x00000080 Log all card related boot messages
0x00000100 Output all config data sent for debugging purposes
0x00000200 Only non comment config lines are shown wth channel
0x00000400 Additional conf log output
0x00001000 Log the asynchronous scheduler actions (config and log)
0x00100000 Log all open and close actions to /proc/net/hysdn/card files
0x00200000 Log all actions from /proc file entries
0x00010000 Log network interface init and deinit
========== ============================================================
6. Where to get additional info and help
========================================
If you have any problems concerning the driver or configuration contact
the Hypercope support team (support@hypercope.de) and or the authors
Werner Cornelius (werner@isdn4linux or cornelius@titro.de) or
Ulrich Albrecht (ualbrecht@hypercope.de).
Documentation/isdn/index.rst
View file @ 7ba31c3f
......@@ -9,9 +9,6 @@ ISDN
interface_capi
avmb1
gigaset
hysdn
m_isdn
credits
......
Documentation/isdn/interface_capi.rst
View file @ 7ba31c3f
......@@ -26,13 +26,6 @@ This standard is freely available from https://www.capi.org.
2. Driver and Device Registration
=================================
CAPI drivers optionally register themselves with Kernel CAPI by calling the
Kernel CAPI function register_capi_driver() with a pointer to a struct
capi_driver. This structure must be filled with the name and revision of the
driver, and optionally a pointer to a callback function, add_card(). The
registration can be revoked by calling the function unregister_capi_driver()
with a pointer to the same struct capi_driver.
CAPI drivers must register each of the ISDN devices they control with Kernel
CAPI by calling the Kernel CAPI function attach_capi_ctr() with a pointer to a
struct capi_ctr before they can be used. This structure must be filled with
......@@ -89,9 +82,6 @@ register_capi_driver():
the name of the driver, as a zero-terminated ASCII string
``char revision[32]``
the revision number of the driver, as a zero-terminated ASCII string
``int (*add_card)(struct capi_driver *driver, capicardparams *data)``
a callback function pointer (may be NULL)
4.2 struct capi_ctr
-------------------
......@@ -178,12 +168,6 @@ to be set by the driver before calling attach_capi_ctr():
pointer to a callback function returning the entry for the device in
the CAPI controller info table, /proc/capi/controller
``const struct file_operations *proc_fops``
pointers to callback functions for the device's proc file
system entry, /proc/capi/controllers/<n>; pointer to the device's
capi_ctr structure is available from struct proc_dir_entry::data
which is available from struct inode.
Note:
Callback functions except send_message() are never called in interrupt
context.
......@@ -267,25 +251,10 @@ _cmstruct alternative representation for CAPI parameters of type 'struct'
_cmsg structure members.
=========== =================================================================
Functions capi_cmsg2message() and capi_message2cmsg() are provided to convert
messages between their transport encoding described in the CAPI 2.0 standard
and their _cmsg structure representation. Note that capi_cmsg2message() does
not know or check the size of its destination buffer. The caller must make
sure it is big enough to accommodate the resulting CAPI message.
5. Lower Layer Interface Functions
==================================
(declared in <linux/isdn/capilli.h>)
::
void register_capi_driver(struct capi_driver *drvr)
void unregister_capi_driver(struct capi_driver *drvr)
register/unregister a driver with Kernel CAPI
::
int attach_capi_ctr(struct capi_ctr *ctrlr)
......@@ -300,13 +269,6 @@ register/unregister a device (controller) with Kernel CAPI
signal controller ready/not ready
::
void capi_ctr_suspend_output(struct capi_ctr *ctrlr)
void capi_ctr_resume_output(struct capi_ctr *ctrlr)
signal suspend/resume
::
void capi_ctr_handle_message(struct capi_ctr * ctrlr, u16 applid,
......@@ -319,21 +281,6 @@ for forwarding to the specified application
6. Helper Functions and Macros
==============================
Library functions (from <linux/isdn/capilli.h>):
::
void capilib_new_ncci(struct list_head *head, u16 applid,
u32 ncci, u32 winsize)
void capilib_free_ncci(struct list_head *head, u16 applid, u32 ncci)
void capilib_release_appl(struct list_head *head, u16 applid)
void capilib_release(struct list_head *head)
void capilib_data_b3_conf(struct list_head *head, u16 applid,
u32 ncci, u16 msgid)
u16 capilib_data_b3_req(struct list_head *head, u16 applid,
u32 ncci, u16 msgid)
Macros to extract/set element values from/in a CAPI message header
(from <linux/isdn/capiutil.h>):
......@@ -357,24 +304,6 @@ CAPIMSG_DATALEN(m) CAPIMSG_SETDATALEN(m, len) Data Length (u16)
Library functions for working with _cmsg structures
(from <linux/isdn/capiutil.h>):
``unsigned capi_cmsg2message(_cmsg *cmsg, u8 *msg)``
Assembles a CAPI 2.0 message from the parameters in ``*cmsg``,
storing the result in ``*msg``.
``unsigned capi_message2cmsg(_cmsg *cmsg, u8 *msg)``
Disassembles the CAPI 2.0 message in ``*msg``, storing the parameters
in ``*cmsg``.
``unsigned capi_cmsg_header(_cmsg *cmsg, u16 ApplId, u8 Command, u8 Subcommand, u16 Messagenumber, u32 Controller)``
Fills the header part and address field of the _cmsg structure ``*cmsg``
with the given values, zeroing the remainder of the structure so only
parameters with non-default values need to be changed before sending
the message.
``void capi_cmsg_answer(_cmsg *cmsg)``
Sets the low bit of the Subcommand field in ``*cmsg``, thereby
converting ``_REQ`` to ``_CONF`` and ``_IND`` to ``_RESP``.
``char *capi_cmd2str(u8 Command, u8 Subcommand)``
Returns the CAPI 2.0 message name corresponding to the given command
and subcommand values, as a static ASCII string. The return value may
......
Documentation/userspace-api/ioctl/ioctl-number.rst
View file @ 7ba31c3f
......@@ -132,7 +132,6 @@ Code Seq# Include File Comments
'F' 80-8F linux/arcfb.h conflict!
'F' DD video/sstfb.h conflict!
'G' 00-3F drivers/misc/sgi-gru/grulib.h conflict!
'G' 00-0F linux/gigaset_dev.h conflict!
'H' 00-7F linux/hiddev.h conflict!
'H' 00-0F linux/hidraw.h conflict!
'H' 01 linux/mei.h conflict!
......
MAINTAINERS
View file @ 7ba31c3f
......@@ -674,6 +674,14 @@ S: Maintained
F: Documentation/i2c/busses/i2c-ali1563.rst
F: drivers/i2c/busses/i2c-ali1563.c
ALL SENSORS DLH SERIES PRESSURE SENSORS DRIVER
M: Tomislav Denis <tomislav.denis@avl.com>
W: http://www.allsensors.com/
S: Maintained
L: linux-iio@vger.kernel.org
F: drivers/iio/pressure/dlhl60d.c
F: Documentation/devicetree/bindings/iio/pressure/asc,dlhl60d.yaml
ALLEGRO DVT VIDEO IP CORE DRIVER
M: Michael Tretter <m.tretter@pengutronix.de>
R: Pengutronix Kernel Team <kernel@pengutronix.de>
......@@ -907,6 +915,14 @@ S: Supported
F: drivers/iio/dac/ad5758.c
F: Documentation/devicetree/bindings/iio/dac/ad5758.txt
ANALOG DEVICES INC AD7091R5 DRIVER
M: Beniamin Bia <beniamin.bia@analog.com>
L: linux-iio@vger.kernel.org
W: http://ez.analog.com/community/linux-device-drivers
S: Supported
F: drivers/iio/adc/ad7091r5.c
F: Documentation/devicetree/bindings/iio/adc/adi,ad7091r5.yaml
ANALOG DEVICES INC AD7124 DRIVER
M: Stefan Popa <stefan.popa@analog.com>
L: linux-iio@vger.kernel.org
......@@ -1061,7 +1077,7 @@ S: Supported
F: Documentation/ABI/testing/sysfs-bus-iio-frequency-ad9523
F: Documentation/ABI/testing/sysfs-bus-iio-frequency-adf4350
F: drivers/iio/*/ad*
F: drivers/iio/adc/ltc2497*
F: drivers/iio/adc/ltc249*
X: drivers/iio/*/adjd*
F: drivers/staging/iio/*/ad*
......@@ -3116,6 +3132,13 @@ S: Supported
F: drivers/net/bonding/
F: include/uapi/linux/if_bonding.h
BOSCH SENSORTEC BMA400 ACCELEROMETER IIO DRIVER
M: Dan Robertson <dan@dlrobertson.com>
L: linux-iio@vger.kernel.org
S: Maintained
F: drivers/iio/accel/bma400*
F: Documentation/devicetree/bindings/iio/accel/bosch,bma400.yaml
BPF (Safe dynamic programs and tools)
M: Alexei Starovoitov <ast@kernel.org>
M: Daniel Borkmann <daniel@iogearbox.net>
......@@ -8862,7 +8885,7 @@ S: Maintained
F: drivers/isdn/mISDN
F: drivers/isdn/hardware
ISDN/CAPI SUBSYSTEM
ISDN/CMTP OVER BLUETOOTH
M: Karsten Keil <isdn@linux-pingi.de>
L: isdn4linux@listserv.isdn4linux.de (subscribers-only)
L: netdev@vger.kernel.org
......@@ -8870,7 +8893,6 @@ W: http://www.isdn4linux.de
S: Odd Fixes
F: Documentation/isdn/
F: drivers/isdn/capi/
F: drivers/staging/isdn/
F: net/bluetooth/cmtp/
F: include/linux/isdn/
F: include/uapi/linux/isdn/
......@@ -12528,6 +12550,13 @@ L: platform-driver-x86@vger.kernel.org
S: Maintained
F: drivers/platform/x86/panasonic-laptop.c
PARALLAX PING IIO SENSOR DRIVER
M: Andreas Klinger <ak@it-klinger.de>
L: linux-iio@vger.kernel.org
S: Maintained
F: Documentation/devicetree/bindings/iio/proximity/parallax-ping.yaml
F: drivers/iio/proximity/ping.c
PARALLEL LCD/KEYPAD PANEL DRIVER
M: Willy Tarreau <willy@haproxy.com>
M: Ksenija Stanojevic <ksenija.stanojevic@gmail.com>
......
drivers/iio/accel/Kconfig
View file @ 7ba31c3f
......@@ -89,13 +89,13 @@ config ADXL372_I2C
module will be called adxl372_i2c.
config BMA180
tristate "Bosch BMA180/BMA250 3-Axis Accelerometer Driver"
tristate "Bosch BMA180/BMA25x 3-Axis Accelerometer Driver"
depends on I2C
select IIO_BUFFER
select IIO_TRIGGERED_BUFFER
help
Say Y here if you want to build a driver for the Bosch BMA180 or
BMA250 triaxial acceleration sensor.
BMA25x triaxial acceleration sensor.
To compile this driver as a module, choose M here: the
module will be called bma180.
......@@ -112,6 +112,22 @@ config BMA220
To compile this driver as a module, choose M here: the
module will be called bma220_spi.
config BMA400
tristate "Bosch BMA400 3-Axis Accelerometer Driver"
select REGMAP
select BMA400_I2C if I2C
help
Say Y here if you want to build a driver for the Bosch BMA400
triaxial acceleration sensor.
To compile this driver as a module, choose M here: the
module will be called bma400_core and you will also get
bma400_i2c if I2C is enabled.
config BMA400_I2C
tristate
depends on BMA400
config BMC150_ACCEL
tristate "Bosch BMC150 Accelerometer Driver"
select IIO_BUFFER
......
drivers/iio/accel/Makefile
View file @ 7ba31c3f
......@@ -14,6 +14,8 @@ obj-$(CONFIG_ADXL372_I2C) += adxl372_i2c.o
obj-$(CONFIG_ADXL372_SPI) += adxl372_spi.o
obj-$(CONFIG_BMA180) += bma180.o
obj-$(CONFIG_BMA220) += bma220_spi.o
obj-$(CONFIG_BMA400) += bma400_core.o
obj-$(CONFIG_BMA400_I2C) += bma400_i2c.o
obj-$(CONFIG_BMC150_ACCEL) += bmc150-accel-core.o
obj-$(CONFIG_BMC150_ACCEL_I2C) += bmc150-accel-i2c.o
obj-$(CONFIG_BMC150_ACCEL_SPI) += bmc150-accel-spi.o
......
drivers/iio/accel/adis16201.c
View file @ 7ba31c3f
......@@ -233,6 +233,12 @@ static const char * const adis16201_status_error_msgs[] = {
[ADIS16201_DIAG_STAT_POWER_LOW_BIT] = "Power supply below 2.975V",
};
static const struct adis_timeout adis16201_timeouts = {
.reset_ms = ADIS16201_STARTUP_DELAY_MS,
.sw_reset_ms = ADIS16201_STARTUP_DELAY_MS,
.self_test_ms = ADIS16201_STARTUP_DELAY_MS,
};
static const struct adis_data adis16201_data = {
.read_delay = 20,
.msc_ctrl_reg = ADIS16201_MSC_CTRL_REG,
......@@ -241,7 +247,7 @@ static const struct adis_data adis16201_data = {
.self_test_mask = ADIS16201_MSC_CTRL_SELF_TEST_EN,
.self_test_no_autoclear = true,
.startup_delay = ADIS16201_STARTUP_DELAY_MS,
.timeouts = &adis16201_timeouts,
.status_error_msgs = adis16201_status_error_msgs,
.status_error_mask = BIT(ADIS16201_DIAG_STAT_SPI_FAIL_BIT) |
......
drivers/iio/accel/adis16209.c
View file @ 7ba31c3f
......@@ -243,6 +243,12 @@ static const char * const adis16209_status_error_msgs[] = {
[ADIS16209_STAT_POWER_LOW_BIT] = "Power supply below 2.975V",
};
static const struct adis_timeout adis16209_timeouts = {
.reset_ms = ADIS16209_STARTUP_DELAY_MS,
.self_test_ms = ADIS16209_STARTUP_DELAY_MS,
.sw_reset_ms = ADIS16209_STARTUP_DELAY_MS,
};
static const struct adis_data adis16209_data = {
.read_delay = 30,
.msc_ctrl_reg = ADIS16209_MSC_CTRL_REG,
......@@ -251,7 +257,7 @@ static const struct adis_data adis16209_data = {
.self_test_mask = ADIS16209_MSC_CTRL_SELF_TEST_EN,
.self_test_no_autoclear = true,
.startup_delay = ADIS16209_STARTUP_DELAY_MS,
.timeouts = &adis16209_timeouts,
.status_error_msgs = adis16209_status_error_msgs,
.status_error_mask = BIT(ADIS16209_STAT_SELFTEST_FAIL_BIT) |
......
drivers/iio/accel/bma180.c
View file @ 7ba31c3f
This diff is collapsed.
drivers/iio/accel/bma400.h 0 → 100644
View file @ 7ba31c3f
/* SPDX-License-Identifier: GPL-2.0-only */
/*
* Register constants and other forward declarations needed by the bma400
* sources.
*
* Copyright 2019 Dan Robertson <dan@dlrobertson.com>
*/
#ifndef _BMA400_H_
#define _BMA400_H_
#include <linux/bits.h>
#include <linux/regmap.h>
/*
* Read-Only Registers
*/
/* Status and ID registers */
#define BMA400_CHIP_ID_REG 0x00
#define BMA400_ERR_REG 0x02
#define BMA400_STATUS_REG 0x03
/* Acceleration registers */
#define BMA400_X_AXIS_LSB_REG 0x04
#define BMA400_X_AXIS_MSB_REG 0x05
#define BMA400_Y_AXIS_LSB_REG 0x06
#define BMA400_Y_AXIS_MSB_REG 0x07
#define BMA400_Z_AXIS_LSB_REG 0x08
#define BMA400_Z_AXIS_MSB_REG 0x09
/* Sensor time registers */
#define BMA400_SENSOR_TIME0 0x0a
#define BMA400_SENSOR_TIME1 0x0b
#define BMA400_SENSOR_TIME2 0x0c
/* Event and interrupt registers */
#define BMA400_EVENT_REG 0x0d
#define BMA400_INT_STAT0_REG 0x0e
#define BMA400_INT_STAT1_REG 0x0f
#define BMA400_INT_STAT2_REG 0x10
/* Temperature register */
#define BMA400_TEMP_DATA_REG 0x11
/* FIFO length and data registers */
#define BMA400_FIFO_LENGTH0_REG 0x12
#define BMA400_FIFO_LENGTH1_REG 0x13
#define BMA400_FIFO_DATA_REG 0x14
/* Step count registers */
#define BMA400_STEP_CNT0_REG 0x15
#define BMA400_STEP_CNT1_REG 0x16
#define BMA400_STEP_CNT3_REG 0x17
#define BMA400_STEP_STAT_REG 0x18
/*
* Read-write configuration registers
*/
#define BMA400_ACC_CONFIG0_REG 0x19
#define BMA400_ACC_CONFIG1_REG 0x1a
#define BMA400_ACC_CONFIG2_REG 0x1b
#define BMA400_CMD_REG 0x7e
/* Chip ID of BMA 400 devices found in the chip ID register. */
#define BMA400_ID_REG_VAL 0x90
#define BMA400_LP_OSR_SHIFT 5
#define BMA400_NP_OSR_SHIFT 4
#define BMA400_SCALE_SHIFT 6
#define BMA400_TWO_BITS_MASK GENMASK(1, 0)
#define BMA400_LP_OSR_MASK GENMASK(6, 5)
#define BMA400_NP_OSR_MASK GENMASK(5, 4)
#define BMA400_ACC_ODR_MASK GENMASK(3, 0)
#define BMA400_ACC_SCALE_MASK GENMASK(7, 6)
#define BMA400_ACC_ODR_MIN_RAW 0x05
#define BMA400_ACC_ODR_LP_RAW 0x06
#define BMA400_ACC_ODR_MAX_RAW 0x0b
#define BMA400_ACC_ODR_MAX_HZ 800
#define BMA400_ACC_ODR_MIN_WHOLE_HZ 25
#define BMA400_ACC_ODR_MIN_HZ 12
#define BMA400_SCALE_MIN 38357
#define BMA400_SCALE_MAX 306864
#define BMA400_NUM_REGULATORS 2
#define BMA400_VDD_REGULATOR 0
#define BMA400_VDDIO_REGULATOR 1
extern const struct regmap_config bma400_regmap_config;
int bma400_probe(struct device *dev, struct regmap *regmap, const char *name);
int bma400_remove(struct device *dev);
#endif
drivers/iio/accel/bma400_core.c 0 → 100644
View file @ 7ba31c3f
This diff is collapsed.
drivers/iio/accel/bma400_i2c.c 0 → 100644
View file @ 7ba31c3f
// SPDX-License-Identifier: GPL-2.0-only
/*
* I2C IIO driver for Bosch BMA400 triaxial acceleration sensor.
*
* Copyright 2019 Dan Robertson <dan@dlrobertson.com>
*
* I2C address is either 0x14 or 0x15 depending on SDO
*/
#include <linux/i2c.h>
#include <linux/mod_devicetable.h>
#include <linux/module.h>
#include <linux/regmap.h>
#include "bma400.h"
static int bma400_i2c_probe(struct i2c_client *client,
const struct i2c_device_id *id)
{
struct regmap *regmap;
regmap = devm_regmap_init_i2c(client, &bma400_regmap_config);
if (IS_ERR(regmap)) {
dev_err(&client->dev, "failed to create regmap\n");
return PTR_ERR(regmap);
}
return bma400_probe(&client->dev, regmap, id->name);
}
static int bma400_i2c_remove(struct i2c_client *client)
{
return bma400_remove(&client->dev);
}
static const struct i2c_device_id bma400_i2c_ids[] = {
{ "bma400", 0 },
{ }
};
MODULE_DEVICE_TABLE(i2c, bma400_i2c_ids);
static const struct of_device_id bma400_of_i2c_match[] = {
{ .compatible = "bosch,bma400" },
{ }
};
MODULE_DEVICE_TABLE(of, bma400_of_i2c_match);
static struct i2c_driver bma400_i2c_driver = {
.driver = {
.name = "bma400",
.of_match_table = bma400_of_i2c_match,
},
.probe = bma400_i2c_probe,
.remove = bma400_i2c_remove,
.id_table = bma400_i2c_ids,
};
module_i2c_driver(bma400_i2c_driver);
MODULE_AUTHOR("Dan Robertson <dan@dlrobertson.com>");
MODULE_DESCRIPTION("Bosch BMA400 triaxial acceleration sensor (I2C)");
MODULE_LICENSE("GPL");
drivers/iio/accel/kxcjk-1013.c
View file @ 7ba31c3f
......@@ -130,6 +130,7 @@ struct kxcjk1013_data {
struct i2c_client *client;
struct iio_trigger *dready_trig;
struct iio_trigger *motion_trig;
struct iio_mount_matrix orientation;
struct mutex mutex;
s16 buffer[8];
u8 odr_bits;
......@@ -983,6 +984,20 @@ static const struct iio_event_spec kxcjk1013_event = {
BIT(IIO_EV_INFO_PERIOD)
};
static const struct iio_mount_matrix *
kxcjk1013_get_mount_matrix(const struct iio_dev *indio_dev,
const struct iio_chan_spec *chan)
{
struct kxcjk1013_data *data = iio_priv(indio_dev);
return &data->orientation;
}
static const struct iio_chan_spec_ext_info kxcjk1013_ext_info[] = {
IIO_MOUNT_MATRIX(IIO_SHARED_BY_TYPE, kxcjk1013_get_mount_matrix),
{ }
};
#define KXCJK1013_CHANNEL(_axis) { \
.type = IIO_ACCEL, \
.modified = 1, \
......@@ -999,6 +1014,7 @@ static const struct iio_event_spec kxcjk1013_event = {
.endianness = IIO_LE, \
}, \
.event_spec = &kxcjk1013_event, \
.ext_info = kxcjk1013_ext_info, \
.num_event_specs = 1 \
}
......@@ -1267,11 +1283,18 @@ static int kxcjk1013_probe(struct i2c_client *client,
data->client = client;
pdata = dev_get_platdata(&client->dev);
if (pdata)
if (pdata) {
data->active_high_intr = pdata->active_high_intr;
else
data->orientation = pdata->orientation;
} else {
data->active_high_intr = true; /* default polarity */
ret = iio_read_mount_matrix(&client->dev, "mount-matrix",
&data->orientation);
if (ret)
return ret;
}
if (id) {
data->chipset = (enum kx_chipset)(id->driver_data);
name = id->name;
......
drivers/iio/accel/st_accel.h
View file @ 7ba31c3f
......@@ -64,7 +64,7 @@ enum st_accel_type {
* struct st_sensors_platform_data - default accel platform data
* @drdy_int_pin: default accel DRDY is available on INT1 pin.
*/
static const struct st_sensors_platform_data default_accel_pdata = {
static __maybe_unused const struct st_sensors_platform_data default_accel_pdata = {
.drdy_int_pin = 1,
};
......
drivers/iio/accel/st_accel_i2c.c
View file @ 7ba31c3f
......@@ -18,7 +18,6 @@
#include <linux/iio/common/st_sensors_i2c.h>
#include "st_accel.h"
#ifdef CONFIG_OF
static const struct of_device_id st_accel_of_match[] = {
{
/* An older compatible */
......@@ -108,9 +107,6 @@ static const struct of_device_id st_accel_of_match[] = {
{},
};
MODULE_DEVICE_TABLE(of, st_accel_of_match);
#else
#define st_accel_of_match NULL
#endif
#ifdef CONFIG_ACPI
static const struct acpi_device_id st_accel_acpi_match[] = {
......@@ -119,8 +115,6 @@ static const struct acpi_device_id st_accel_acpi_match[] = {
{ },
};
MODULE_DEVICE_TABLE(acpi, st_accel_acpi_match);
#else
#define st_accel_acpi_match NULL
#endif
static const struct i2c_device_id st_accel_id_table[] = {
......@@ -195,7 +189,7 @@ static int st_accel_i2c_remove(struct i2c_client *client)
static struct i2c_driver st_accel_driver = {
.driver = {
.name = "st-accel-i2c",
.of_match_table = of_match_ptr(st_accel_of_match),
.of_match_table = st_accel_of_match,
.acpi_match_table = ACPI_PTR(st_accel_acpi_match),
},
.probe_new = st_accel_i2c_probe,
......
drivers/iio/accel/st_accel_spi.c
View file @ 7ba31c3f
......@@ -17,7 +17,6 @@
#include <linux/iio/common/st_sensors_spi.h>
#include "st_accel.h"
#ifdef CONFIG_OF
/*
* For new single-chip sensors use <device_name> as compatible string.
* For old single-chip devices keep <device_name>-accel to maintain
......@@ -96,9 +95,6 @@ static const struct of_device_id st_accel_of_match[] = {
{}
};
MODULE_DEVICE_TABLE(of, st_accel_of_match);
#else
#define st_accel_of_match NULL
#endif
static int st_accel_spi_probe(struct spi_device *spi)
{
......@@ -107,8 +103,7 @@ static int st_accel_spi_probe(struct spi_device *spi)
struct iio_dev *indio_dev;
int err;
st_sensors_of_name_probe(&spi->dev, st_accel_of_match,
spi->modalias, sizeof(spi->modalias));
st_sensors_dev_name_probe(&spi->dev, spi->modalias, sizeof(spi->modalias));
settings = st_accel_get_settings(spi->modalias);
if (!settings) {
......@@ -166,7 +161,7 @@ MODULE_DEVICE_TABLE(spi, st_accel_id_table);
static struct spi_driver st_accel_driver = {
.driver = {
.name = "st-accel-spi",
.of_match_table = of_match_ptr(st_accel_of_match),
.of_match_table = st_accel_of_match,
},
.probe = st_accel_spi_probe,
.remove = st_accel_spi_remove,
......
drivers/iio/adc/Kconfig
View file @ 7ba31c3f
......@@ -21,6 +21,13 @@ config AD_SIGMA_DELTA
select IIO_BUFFER
select IIO_TRIGGERED_BUFFER
config AD7091R5
tristate "Analog Devices AD7091R5 ADC Driver"
depends on I2C
select REGMAP_I2C
help
Say yes here to build support for Analog Devices AD7091R-5 ADC.
config AD7124
tristate "Analog Devices AD7124 and similar sigma-delta ADCs driver"
depends on SPI_MASTER
......@@ -523,6 +530,16 @@ config LTC2485
To compile this driver as a module, choose M here: the module will be
called ltc2485.
config LTC2496
tristate "Linear Technology LTC2496 ADC driver"
depends on SPI
help
Say yes here to build support for Linear Technology LTC2496
16-Bit 8-/16-Channel Delta Sigma ADC.
To compile this driver as a module, choose M here: the module will be
called ltc2496.
config LTC2497
tristate "Linear Technology LTC2497 ADC driver"
depends on I2C
......
drivers/iio/adc/Makefile
View file @ 7ba31c3f
......@@ -6,6 +6,7 @@
# When adding new entries keep the list in alphabetical order
obj-$(CONFIG_AB8500_GPADC) += ab8500-gpadc.o
obj-$(CONFIG_AD_SIGMA_DELTA) += ad_sigma_delta.o
obj-$(CONFIG_AD7091R5) += ad7091r5.o ad7091r-base.o
obj-$(CONFIG_AD7124) += ad7124.o
obj-$(CONFIG_AD7266) += ad7266.o
obj-$(CONFIG_AD7291) += ad7291.o
......@@ -50,7 +51,8 @@ obj-$(CONFIG_LPC18XX_ADC) += lpc18xx_adc.o
obj-$(CONFIG_LPC32XX_ADC) += lpc32xx_adc.o
obj-$(CONFIG_LTC2471) += ltc2471.o
obj-$(CONFIG_LTC2485) += ltc2485.o
obj-$(CONFIG_LTC2497) += ltc2497.o
obj-$(CONFIG_LTC2496) += ltc2496.o ltc2497-core.o
obj-$(CONFIG_LTC2497) += ltc2497.o ltc2497-core.o
obj-$(CONFIG_MAX1027) += max1027.o
obj-$(CONFIG_MAX11100) += max11100.o
obj-$(CONFIG_MAX1118) += max1118.o
......
drivers/iio/adc/ad7091r-base.c 0 → 100644
View file @ 7ba31c3f
// SPDX-License-Identifier: GPL-2.0
/*
* AD7091RX Analog to Digital converter driver
*
* Copyright 2014-2019 Analog Devices Inc.
*/
#include <linux/bitops.h>
#include <linux/iio/events.h>
#include <linux/iio/iio.h>
#include <linux/interrupt.h>
#include <linux/module.h>
#include <linux/regmap.h>
#include <linux/regulator/consumer.h>
#include "ad7091r-base.h"
#define AD7091R_REG_RESULT 0
#define AD7091R_REG_CHANNEL 1
#define AD7091R_REG_CONF 2
#define AD7091R_REG_ALERT 3
#define AD7091R_REG_CH_LOW_LIMIT(ch) ((ch) * 3 + 4)
#define AD7091R_REG_CH_HIGH_LIMIT(ch) ((ch) * 3 + 5)
#define AD7091R_REG_CH_HYSTERESIS(ch) ((ch) * 3 + 6)
/* AD7091R_REG_RESULT */
#define AD7091R_REG_RESULT_CH_ID(x) (((x) >> 13) & 0x3)
#define AD7091R_REG_RESULT_CONV_RESULT(x) ((x) & 0xfff)
/* AD7091R_REG_CONF */
#define AD7091R_REG_CONF_AUTO BIT(8)
#define AD7091R_REG_CONF_CMD BIT(10)
#define AD7091R_REG_CONF_MODE_MASK \
(AD7091R_REG_CONF_AUTO | AD7091R_REG_CONF_CMD)
enum ad7091r_mode {
AD7091R_MODE_SAMPLE,
AD7091R_MODE_COMMAND,
AD7091R_MODE_AUTOCYCLE,
};
struct ad7091r_state {
struct device *dev;
struct regmap *map;
struct regulator *vref;
const struct ad7091r_chip_info *chip_info;
enum ad7091r_mode mode;
struct mutex lock; /*lock to prevent concurent reads */
};
static int ad7091r_set_mode(struct ad7091r_state *st, enum ad7091r_mode mode)
{
int ret, conf;
switch (mode) {
case AD7091R_MODE_SAMPLE:
conf = 0;
break;
case AD7091R_MODE_COMMAND:
conf = AD7091R_REG_CONF_CMD;
break;
case AD7091R_MODE_AUTOCYCLE:
conf = AD7091R_REG_CONF_AUTO;
break;
default:
return -EINVAL;
}
ret = regmap_update_bits(st->map, AD7091R_REG_CONF,
AD7091R_REG_CONF_MODE_MASK, conf);
if (ret)
return ret;
st->mode = mode;
return 0;
}
static int ad7091r_set_channel(struct ad7091r_state *st, unsigned int channel)
{
unsigned int dummy;
int ret;
/* AD7091R_REG_CHANNEL specified which channels to be converted */
ret = regmap_write(st->map, AD7091R_REG_CHANNEL,
BIT(channel) | (BIT(channel) << 8));
if (ret)
return ret;
/*
* There is a latency of one conversion before the channel conversion
* sequence is updated
*/
return regmap_read(st->map, AD7091R_REG_RESULT, &dummy);
}
static int ad7091r_read_one(struct iio_dev *iio_dev,
unsigned int channel, unsigned int *read_val)
{
struct ad7091r_state *st = iio_priv(iio_dev);
unsigned int val;
int ret;
ret = ad7091r_set_channel(st, channel);
if (ret)
return ret;
ret = regmap_read(st->map, AD7091R_REG_RESULT, &val);
if (ret)
return ret;
if (AD7091R_REG_RESULT_CH_ID(val) != channel)
return -EIO;
*read_val = AD7091R_REG_RESULT_CONV_RESULT(val);
return 0;
}
static int ad7091r_read_raw(struct iio_dev *iio_dev,
struct iio_chan_spec const *chan,
int *val, int *val2, long m)
{
struct ad7091r_state *st = iio_priv(iio_dev);
unsigned int read_val;
int ret;
mutex_lock(&st->lock);
switch (m) {
case IIO_CHAN_INFO_RAW:
if (st->mode != AD7091R_MODE_COMMAND) {
ret = -EBUSY;
goto unlock;
}
ret = ad7091r_read_one(iio_dev, chan->channel, &read_val);
if (ret)
goto unlock;
*val = read_val;
ret = IIO_VAL_INT;
break;
case IIO_CHAN_INFO_SCALE:
if (st->vref) {
ret = regulator_get_voltage(st->vref);
if (ret < 0)
goto unlock;
*val = ret / 1000;
} else {
*val = st->chip_info->vref_mV;
}
*val2 = chan->scan_type.realbits;
ret = IIO_VAL_FRACTIONAL_LOG2;
break;
default:
ret = -EINVAL;
break;
}
unlock:
mutex_unlock(&st->lock);
return ret;
}
static const struct iio_info ad7091r_info = {
.read_raw = ad7091r_read_raw,
};
static irqreturn_t ad7091r_event_handler(int irq, void *private)
{
struct ad7091r_state *st = (struct ad7091r_state *) private;
struct iio_dev *iio_dev = dev_get_drvdata(st->dev);
unsigned int i, read_val;
int ret;
s64 timestamp = iio_get_time_ns(iio_dev);
ret = regmap_read(st->map, AD7091R_REG_ALERT, &read_val);
if (ret)
return IRQ_HANDLED;
for (i = 0; i < st->chip_info->num_channels; i++) {
if (read_val & BIT(i * 2))
iio_push_event(iio_dev,
IIO_UNMOD_EVENT_CODE(IIO_VOLTAGE, i,
IIO_EV_TYPE_THRESH,
IIO_EV_DIR_RISING), timestamp);
if (read_val & BIT(i * 2 + 1))
iio_push_event(iio_dev,
IIO_UNMOD_EVENT_CODE(IIO_VOLTAGE, i,
IIO_EV_TYPE_THRESH,
IIO_EV_DIR_FALLING), timestamp);
}
return IRQ_HANDLED;
}
static void ad7091r_remove(void *data)
{
struct ad7091r_state *st = data;
regulator_disable(st->vref);
}
int ad7091r_probe(struct device *dev, const char *name,
const struct ad7091r_chip_info *chip_info,
struct regmap *map, int irq)
{
struct iio_dev *iio_dev;
struct ad7091r_state *st;
int ret;
iio_dev = devm_iio_device_alloc(dev, sizeof(*st));
if (!iio_dev)
return -ENOMEM;
st = iio_priv(iio_dev);
st->dev = dev;
st->chip_info = chip_info;
st->map = map;
iio_dev->dev.parent = dev;
iio_dev->name = name;
iio_dev->info = &ad7091r_info;
iio_dev->modes = INDIO_DIRECT_MODE;
iio_dev->num_channels = chip_info->num_channels;
iio_dev->channels = chip_info->channels;
if (irq) {
ret = devm_request_threaded_irq(dev, irq, NULL,
ad7091r_event_handler,
IRQF_TRIGGER_FALLING | IRQF_ONESHOT, name, st);
if (ret)
return ret;
}
st->vref = devm_regulator_get_optional(dev, "vref");
if (IS_ERR(st->vref)) {
if (PTR_ERR(st->vref) == -EPROBE_DEFER)
return -EPROBE_DEFER;
st->vref = NULL;
} else {
ret = regulator_enable(st->vref);
if (ret)
return ret;
ret = devm_add_action_or_reset(dev, ad7091r_remove, st);
if (ret)
return ret;
}
/* Use command mode by default to convert only desired channels*/
ret = ad7091r_set_mode(st, AD7091R_MODE_COMMAND);
if (ret)
return ret;
return devm_iio_device_register(dev, iio_dev);
}
EXPORT_SYMBOL_GPL(ad7091r_probe);
static bool ad7091r_writeable_reg(struct device *dev, unsigned int reg)
{
switch (reg) {
case AD7091R_REG_RESULT:
case AD7091R_REG_ALERT:
return false;
default:
return true;
}
}
static bool ad7091r_volatile_reg(struct device *dev, unsigned int reg)
{
switch (reg) {
case AD7091R_REG_RESULT:
case AD7091R_REG_ALERT:
return true;
default:
return false;
}
}
const struct regmap_config ad7091r_regmap_config = {
.reg_bits = 8,
.val_bits = 16,
.writeable_reg = ad7091r_writeable_reg,
.volatile_reg = ad7091r_volatile_reg,
};
EXPORT_SYMBOL_GPL(ad7091r_regmap_config);
MODULE_AUTHOR("Beniamin Bia <beniamin.bia@analog.com>");
MODULE_DESCRIPTION("Analog Devices AD7091Rx multi-channel converters");
MODULE_LICENSE("GPL v2");
drivers/iio/adc/ad7091r-base.h 0 → 100644
View file @ 7ba31c3f
/* SPDX-License-Identifier: GPL-2.0 */
/*
* AD7091RX Analog to Digital converter driver
*
* Copyright 2014-2019 Analog Devices Inc.
*/
#ifndef __DRIVERS_IIO_ADC_AD7091R_BASE_H__
#define __DRIVERS_IIO_ADC_AD7091R_BASE_H__
struct device;
struct ad7091r_state;
struct ad7091r_chip_info {
unsigned int num_channels;
const struct iio_chan_spec *channels;
unsigned int vref_mV;
};
extern const struct regmap_config ad7091r_regmap_config;
int ad7091r_probe(struct device *dev, const char *name,
const struct ad7091r_chip_info *chip_info,
struct regmap *map, int irq);
#endif /* __DRIVERS_IIO_ADC_AD7091R_BASE_H__ */
drivers/iio/adc/ad7091r5.c 0 → 100644
View file @ 7ba31c3f
// SPDX-License-Identifier: GPL-2.0
/*
* AD7091R5 Analog to Digital converter driver
*
* Copyright 2014-2019 Analog Devices Inc.
*/
#include <linux/i2c.h>
#include <linux/iio/iio.h>
#include <linux/module.h>
#include <linux/regmap.h>
#include "ad7091r-base.h"
static const struct iio_event_spec ad7091r5_events[] = {
{
.type = IIO_EV_TYPE_THRESH,
.dir = IIO_EV_DIR_RISING,
.mask_separate = BIT(IIO_EV_INFO_VALUE) |
BIT(IIO_EV_INFO_ENABLE),
},
{
.type = IIO_EV_TYPE_THRESH,
.dir = IIO_EV_DIR_FALLING,
.mask_separate = BIT(IIO_EV_INFO_VALUE) |
BIT(IIO_EV_INFO_ENABLE),
},
{
.type = IIO_EV_TYPE_THRESH,
.dir = IIO_EV_DIR_EITHER,
.mask_separate = BIT(IIO_EV_INFO_HYSTERESIS),
},
};
#define AD7091R_CHANNEL(idx, bits, ev, num_ev) { \
.type = IIO_VOLTAGE, \
.info_mask_separate = BIT(IIO_CHAN_INFO_RAW), \
.info_mask_shared_by_type = BIT(IIO_CHAN_INFO_SCALE), \
.indexed = 1, \
.channel = idx, \
.event_spec = ev, \
.num_event_specs = num_ev, \
.scan_type.storagebits = 16, \
.scan_type.realbits = bits, \
}
static const struct iio_chan_spec ad7091r5_channels_irq[] = {
AD7091R_CHANNEL(0, 12, ad7091r5_events, ARRAY_SIZE(ad7091r5_events)),
AD7091R_CHANNEL(1, 12, ad7091r5_events, ARRAY_SIZE(ad7091r5_events)),
AD7091R_CHANNEL(2, 12, ad7091r5_events, ARRAY_SIZE(ad7091r5_events)),
AD7091R_CHANNEL(3, 12, ad7091r5_events, ARRAY_SIZE(ad7091r5_events)),
};
static const struct iio_chan_spec ad7091r5_channels_noirq[] = {
AD7091R_CHANNEL(0, 12, NULL, 0),
AD7091R_CHANNEL(1, 12, NULL, 0),
AD7091R_CHANNEL(2, 12, NULL, 0),
AD7091R_CHANNEL(3, 12, NULL, 0),
};
static const struct ad7091r_chip_info ad7091r5_chip_info_irq = {
.channels = ad7091r5_channels_irq,
.num_channels = ARRAY_SIZE(ad7091r5_channels_irq),
.vref_mV = 2500,
};
static const struct ad7091r_chip_info ad7091r5_chip_info_noirq = {
.channels = ad7091r5_channels_noirq,
.num_channels = ARRAY_SIZE(ad7091r5_channels_noirq),
.vref_mV = 2500,
};
static int ad7091r5_i2c_probe(struct i2c_client *i2c,
const struct i2c_device_id *id)
{
const struct ad7091r_chip_info *chip_info;
struct regmap *map = devm_regmap_init_i2c(i2c, &ad7091r_regmap_config);
if (IS_ERR(map))
return PTR_ERR(map);
if (i2c->irq)
chip_info = &ad7091r5_chip_info_irq;
else
chip_info = &ad7091r5_chip_info_noirq;
return ad7091r_probe(&i2c->dev, id->name, chip_info, map, i2c->irq);
}
static const struct of_device_id ad7091r5_dt_ids[] = {
{ .compatible = "adi,ad7091r5" },
{},
};
MODULE_DEVICE_TABLE(of, ad7091r5_dt_ids);
static const struct i2c_device_id ad7091r5_i2c_ids[] = {
{"ad7091r5", 0},
{}
};
MODULE_DEVICE_TABLE(i2c, ad7091r5_i2c_ids);
static struct i2c_driver ad7091r5_driver = {
.driver = {
.name = "ad7091r5",
.of_match_table = ad7091r5_dt_ids,
},
.probe = ad7091r5_i2c_probe,
.id_table = ad7091r5_i2c_ids,
};
module_i2c_driver(ad7091r5_driver);
MODULE_AUTHOR("Beniamin Bia <beniamin.bia@analog.com>");
MODULE_DESCRIPTION("Analog Devices AD7091R5 multi-channel ADC driver");
MODULE_LICENSE("GPL v2");
drivers/iio/adc/ad7124.c
View file @ 7ba31c3f
......@@ -9,6 +9,7 @@
#include <linux/delay.h>
#include <linux/device.h>
#include <linux/err.h>
#include <linux/interrupt.h>
#include <linux/kernel.h>
#include <linux/module.h>
#include <linux/regulator/consumer.h>
......@@ -224,6 +225,7 @@ static const struct ad_sigma_delta_info ad7124_sigma_delta_info = {
.addr_shift = 0,
.read_mask = BIT(6),
.data_reg = AD7124_DATA,
.irq_flags = IRQF_TRIGGER_FALLING,
};
static int ad7124_set_channel_odr(struct ad7124_state *st,
......
drivers/iio/adc/ad7266.c
View file @ 7ba31c3f
......@@ -11,7 +11,7 @@
#include <linux/spi/spi.h>
#include <linux/regulator/consumer.h>
#include <linux/err.h>
#include <linux/gpio.h>
#include <linux/gpio/consumer.h>
#include <linux/module.h>
#include <linux/interrupt.h>
......@@ -34,7 +34,7 @@ struct ad7266_state {
enum ad7266_range range;
enum ad7266_mode mode;
bool fixed_addr;
struct gpio gpios[3];
struct gpio_desc *gpios[3];
/*
* DMA (thus cache coherency maintenance) requires the
......@@ -117,7 +117,7 @@ static void ad7266_select_input(struct ad7266_state *st, unsigned int nr)
}
for (i = 0; i < 3; ++i)
gpio_set_value(st->gpios[i].gpio, (bool)(nr & BIT(i)));
gpiod_set_value(st->gpios[i], (bool)(nr & BIT(i)));
}
static int ad7266_update_scan_mode(struct iio_dev *indio_dev,
......@@ -376,7 +376,7 @@ static void ad7266_init_channels(struct iio_dev *indio_dev)
}
static const char * const ad7266_gpio_labels[] = {
"AD0", "AD1", "AD2",
"ad0", "ad1", "ad2",
};
static int ad7266_probe(struct spi_device *spi)
......@@ -419,15 +419,15 @@ static int ad7266_probe(struct spi_device *spi)
if (!st->fixed_addr) {
for (i = 0; i < ARRAY_SIZE(st->gpios); ++i) {
st->gpios[i].gpio = pdata->addr_gpios[i];
st->gpios[i].flags = GPIOF_OUT_INIT_LOW;
st->gpios[i].label = ad7266_gpio_labels[i];
}
ret = gpio_request_array(st->gpios,
ARRAY_SIZE(st->gpios));
if (ret)
st->gpios[i] = devm_gpiod_get(&spi->dev,
ad7266_gpio_labels[i],
GPIOD_OUT_LOW);
if (IS_ERR(st->gpios[i])) {
ret = PTR_ERR(st->gpios[i]);
goto error_disable_reg;
}
}
}
} else {
st->fixed_addr = true;
st->range = AD7266_RANGE_VREF;
......@@ -465,7 +465,7 @@ static int ad7266_probe(struct spi_device *spi)
ret = iio_triggered_buffer_setup(indio_dev, &iio_pollfunc_store_time,
&ad7266_trigger_handler, &iio_triggered_buffer_setup_ops);
if (ret)
goto error_free_gpios;
goto error_disable_reg;
ret = iio_device_register(indio_dev);
if (ret)
......@@ -475,9 +475,6 @@ static int ad7266_probe(struct spi_device *spi)
error_buffer_cleanup:
iio_triggered_buffer_cleanup(indio_dev);
error_free_gpios:
if (!st->fixed_addr)
gpio_free_array(st->gpios, ARRAY_SIZE(st->gpios));
error_disable_reg:
if (!IS_ERR(st->reg))
regulator_disable(st->reg);
......@@ -492,8 +489,6 @@ static int ad7266_remove(struct spi_device *spi)
iio_device_unregister(indio_dev);
iio_triggered_buffer_cleanup(indio_dev);
if (!st->fixed_addr)
gpio_free_array(st->gpios, ARRAY_SIZE(st->gpios));
if (!IS_ERR(st->reg))
regulator_disable(st->reg);
......
drivers/iio/adc/ad7780.c
View file @ 7ba31c3f
......@@ -203,6 +203,7 @@ static const struct ad_sigma_delta_info ad7780_sigma_delta_info = {
.set_mode = ad7780_set_mode,
.postprocess_sample = ad7780_postprocess_sample,
.has_registers = false,
.irq_flags = IRQF_TRIGGER_LOW,
};
#define AD7780_CHANNEL(bits, wordsize) \
......
drivers/iio/adc/ad7791.c
View file @ 7ba31c3f
......@@ -205,6 +205,7 @@ static const struct ad_sigma_delta_info ad7791_sigma_delta_info = {
.has_registers = true,
.addr_shift = 4,
.read_mask = BIT(3),
.irq_flags = IRQF_TRIGGER_LOW,
};
static int ad7791_read_raw(struct iio_dev *indio_dev,
......
drivers/iio/adc/ad7793.c
View file @ 7ba31c3f
......@@ -206,6 +206,7 @@ static const struct ad_sigma_delta_info ad7793_sigma_delta_info = {
.has_registers = true,
.addr_shift = 3,
.read_mask = BIT(6),
.irq_flags = IRQF_TRIGGER_LOW,
};
static const struct ad_sd_calib_data ad7793_calib_arr[6] = {
......
drivers/iio/adc/ad7887.c
View file @ 7ba31c3f
......@@ -43,11 +43,17 @@ enum ad7887_channels {
/**
* struct ad7887_chip_info - chip specifc information
* @int_vref_mv: the internal reference voltage
* @channel: channel specification
* @channels: channels specification
* @num_channels: number of channels
* @dual_channels: channels specification in dual mode
* @num_dual_channels: number of channels in dual mode
*/
struct ad7887_chip_info {
u16 int_vref_mv;
struct iio_chan_spec channel[3];
const struct iio_chan_spec *channels;
unsigned int num_channels;
const struct iio_chan_spec *dual_channels;
unsigned int num_dual_channels;
};
struct ad7887_state {
......@@ -183,45 +189,43 @@ static int ad7887_read_raw(struct iio_dev *indio_dev,
return -EINVAL;
}
#define AD7887_CHANNEL(x) { \
.type = IIO_VOLTAGE, \
.indexed = 1, \
.channel = (x), \
.info_mask_separate = BIT(IIO_CHAN_INFO_RAW), \
.info_mask_shared_by_type = BIT(IIO_CHAN_INFO_SCALE), \
.address = (x), \
.scan_index = (x), \
.scan_type = { \
.sign = 'u', \
.realbits = 12, \
.storagebits = 16, \
.shift = 0, \
.endianness = IIO_BE, \
}, \
}
static const struct iio_chan_spec ad7887_channels[] = {
AD7887_CHANNEL(0),
IIO_CHAN_SOFT_TIMESTAMP(1),
};
static const struct iio_chan_spec ad7887_dual_channels[] = {
AD7887_CHANNEL(0),
AD7887_CHANNEL(1),
IIO_CHAN_SOFT_TIMESTAMP(2),
};
static const struct ad7887_chip_info ad7887_chip_info_tbl[] = {
/*
* More devices added in future
*/
[ID_AD7887] = {
.channel[0] = {
.type = IIO_VOLTAGE,
.indexed = 1,
.channel = 1,
.info_mask_separate = BIT(IIO_CHAN_INFO_RAW),
.info_mask_shared_by_type = BIT(IIO_CHAN_INFO_SCALE),
.address = 1,
.scan_index = 1,
.scan_type = {
.sign = 'u',
.realbits = 12,
.storagebits = 16,
.shift = 0,
.endianness = IIO_BE,
},
},
.channel[1] = {
.type = IIO_VOLTAGE,
.indexed = 1,
.channel = 0,
.info_mask_separate = BIT(IIO_CHAN_INFO_RAW),
.info_mask_shared_by_type = BIT(IIO_CHAN_INFO_SCALE),
.address = 0,
.scan_index = 0,
.scan_type = {
.sign = 'u',
.realbits = 12,
.storagebits = 16,
.shift = 0,
.endianness = IIO_BE,
},
},
.channel[2] = IIO_CHAN_SOFT_TIMESTAMP(2),
.channels = ad7887_channels,
.num_channels = ARRAY_SIZE(ad7887_channels),
.dual_channels = ad7887_dual_channels,
.num_dual_channels = ARRAY_SIZE(ad7887_dual_channels),
.int_vref_mv = 2500,
},
};
......@@ -306,11 +310,11 @@ static int ad7887_probe(struct spi_device *spi)
spi_message_init(&st->msg[AD7887_CH1]);
spi_message_add_tail(&st->xfer[3], &st->msg[AD7887_CH1]);
indio_dev->channels = st->chip_info->channel;
indio_dev->num_channels = 3;
indio_dev->channels = st->chip_info->dual_channels;
indio_dev->num_channels = st->chip_info->num_dual_channels;
} else {
indio_dev->channels = &st->chip_info->channel[1];
indio_dev->num_channels = 2;
indio_dev->channels = st->chip_info->channels;
indio_dev->num_channels = st->chip_info->num_channels;
}
ret = iio_triggered_buffer_setup(indio_dev, &iio_pollfunc_store_time,
......
drivers/iio/adc/ad7923.c
View file @ 7ba31c3f
// SPDX-License-Identifier: GPL-2.0-only
/*
* AD7904/AD7914/AD7923/AD7924 SPI ADC driver
* AD7904/AD7914/AD7923/AD7924/AD7908/AD7918/AD7928 SPI ADC driver
*
* Copyright 2011 Analog Devices Inc (from AD7923 Driver)
* Copyright 2012 CS Systemes d'Information
......@@ -29,15 +29,10 @@
#define AD7923_PM_MODE_AS (1) /* auto shutdown */
#define AD7923_PM_MODE_FS (2) /* full shutdown */
#define AD7923_PM_MODE_OPS (3) /* normal operation */
#define AD7923_CHANNEL_0 (0) /* analog input 0 */
#define AD7923_CHANNEL_1 (1) /* analog input 1 */
#define AD7923_CHANNEL_2 (2) /* analog input 2 */
#define AD7923_CHANNEL_3 (3) /* analog input 3 */
#define AD7923_SEQUENCE_OFF (0) /* no sequence fonction */
#define AD7923_SEQUENCE_PROTECT (2) /* no interrupt write cycle */
#define AD7923_SEQUENCE_ON (3) /* continuous sequence */
#define AD7923_MAX_CHAN 4
#define AD7923_PM_MODE_WRITE(mode) ((mode) << 4) /* write mode */
#define AD7923_CHANNEL_WRITE(channel) ((channel) << 6) /* write channel */
......@@ -78,6 +73,9 @@ enum ad7923_id {
AD7904,
AD7914,
AD7924,
AD7908,
AD7918,
AD7928
};
#define AD7923_V_CHAN(index, bits) \
......@@ -106,9 +104,25 @@ const struct iio_chan_spec name ## _channels[] = { \
IIO_CHAN_SOFT_TIMESTAMP(4), \
}
#define DECLARE_AD7908_CHANNELS(name, bits) \
const struct iio_chan_spec name ## _channels[] = { \
AD7923_V_CHAN(0, bits), \
AD7923_V_CHAN(1, bits), \
AD7923_V_CHAN(2, bits), \
AD7923_V_CHAN(3, bits), \
AD7923_V_CHAN(4, bits), \
AD7923_V_CHAN(5, bits), \
AD7923_V_CHAN(6, bits), \
AD7923_V_CHAN(7, bits), \
IIO_CHAN_SOFT_TIMESTAMP(8), \
}
static DECLARE_AD7923_CHANNELS(ad7904, 8);
static DECLARE_AD7923_CHANNELS(ad7914, 10);
static DECLARE_AD7923_CHANNELS(ad7924, 12);
static DECLARE_AD7908_CHANNELS(ad7908, 8);
static DECLARE_AD7908_CHANNELS(ad7918, 10);
static DECLARE_AD7908_CHANNELS(ad7928, 12);
static const struct ad7923_chip_info ad7923_chip_info[] = {
[AD7904] = {
......@@ -123,6 +137,18 @@ static const struct ad7923_chip_info ad7923_chip_info[] = {
.channels = ad7924_channels,
.num_channels = ARRAY_SIZE(ad7924_channels),
},
[AD7908] = {
.channels = ad7908_channels,
.num_channels = ARRAY_SIZE(ad7908_channels),
},
[AD7918] = {
.channels = ad7918_channels,
.num_channels = ARRAY_SIZE(ad7918_channels),
},
[AD7928] = {
.channels = ad7928_channels,
.num_channels = ARRAY_SIZE(ad7928_channels),
},
};
/**
......@@ -135,7 +161,11 @@ static int ad7923_update_scan_mode(struct iio_dev *indio_dev,
int i, cmd, len;
len = 0;
for_each_set_bit(i, active_scan_mask, AD7923_MAX_CHAN) {
/*
* For this driver the last channel is always the software timestamp so
* skip that one.
*/
for_each_set_bit(i, active_scan_mask, indio_dev->num_channels - 1) {
cmd = AD7923_WRITE_CR | AD7923_CHANNEL_WRITE(i) |
AD7923_SEQUENCE_WRITE(AD7923_SEQUENCE_OFF) |
st->settings;
......@@ -188,7 +218,7 @@ static irqreturn_t ad7923_trigger_handler(int irq, void *p)
return IRQ_HANDLED;
}
static int ad7923_scan_direct(struct ad7923_state *st, unsigned ch)
static int ad7923_scan_direct(struct ad7923_state *st, unsigned int ch)
{
int ret, cmd;
......@@ -348,13 +378,29 @@ static const struct spi_device_id ad7923_id[] = {
{"ad7914", AD7914},
{"ad7923", AD7924},
{"ad7924", AD7924},
{"ad7908", AD7908},
{"ad7918", AD7918},
{"ad7928", AD7928},
{}
};
MODULE_DEVICE_TABLE(spi, ad7923_id);
static const struct of_device_id ad7923_of_match[] = {
{ .compatible = "adi,ad7904", },
{ .compatible = "adi,ad7914", },
{ .compatible = "adi,ad7923", },
{ .compatible = "adi,ad7924", },
{ .compatible = "adi,ad7908", },
{ .compatible = "adi,ad7918", },
{ .compatible = "adi,ad7928", },
{ },
};
MODULE_DEVICE_TABLE(of, ad7923_of_match);
static struct spi_driver ad7923_driver = {
.driver = {
.name = "ad7923",
.of_match_table = ad7923_of_match,
},
.probe = ad7923_probe,
.remove = ad7923_remove,
......@@ -364,5 +410,5 @@ module_spi_driver(ad7923_driver);
MODULE_AUTHOR("Michael Hennerich <michael.hennerich@analog.com>");
MODULE_AUTHOR("Patrick Vasseur <patrick.vasseur@c-s.fr>");
MODULE_DESCRIPTION("Analog Devices AD7904/AD7914/AD7923/AD7924 ADC");
MODULE_DESCRIPTION("Analog Devices AD7923 and similar ADC");
MODULE_LICENSE("GPL v2");
drivers/iio/adc/ad799x.c
View file @ 7ba31c3f
......@@ -167,6 +167,21 @@ static int ad799x_read_config(struct ad799x_state *st)
}
}
static int ad799x_update_config(struct ad799x_state *st, u16 config)
{
int ret;
ret = ad799x_write_config(st, config);
if (ret < 0)
return ret;
ret = ad799x_read_config(st);
if (ret < 0)
return ret;
st->config = ret;
return 0;
}
/**
* ad799x_trigger_handler() bh of trigger launched polling to ring buffer
*
......@@ -808,13 +823,9 @@ static int ad799x_probe(struct i2c_client *client,
indio_dev->channels = st->chip_config->channel;
indio_dev->num_channels = chip_info->num_channels;
ret = ad799x_write_config(st, st->chip_config->default_config);
if (ret < 0)
goto error_disable_vref;
ret = ad799x_read_config(st);
if (ret < 0)
ret = ad799x_update_config(st, st->chip_config->default_config);
if (ret)
goto error_disable_vref;
st->config = ret;
ret = iio_triggered_buffer_setup(indio_dev, NULL,
&ad799x_trigger_handler, NULL);
......@@ -864,6 +875,48 @@ static int ad799x_remove(struct i2c_client *client)
return 0;
}
static int __maybe_unused ad799x_suspend(struct device *dev)
{
struct iio_dev *indio_dev = i2c_get_clientdata(to_i2c_client(dev));
struct ad799x_state *st = iio_priv(indio_dev);
regulator_disable(st->vref);
regulator_disable(st->reg);
return 0;
}
static int __maybe_unused ad799x_resume(struct device *dev)
{
struct iio_dev *indio_dev = i2c_get_clientdata(to_i2c_client(dev));
struct ad799x_state *st = iio_priv(indio_dev);
int ret;
ret = regulator_enable(st->reg);
if (ret) {
dev_err(dev, "Unable to enable vcc regulator\n");
return ret;
}
ret = regulator_enable(st->vref);
if (ret) {
regulator_disable(st->reg);
dev_err(dev, "Unable to enable vref regulator\n");
return ret;
}
/* resync config */
ret = ad799x_update_config(st, st->config);
if (ret) {
regulator_disable(st->vref);
regulator_disable(st->reg);
return ret;
}
return 0;
}
static SIMPLE_DEV_PM_OPS(ad799x_pm_ops, ad799x_suspend, ad799x_resume);
static const struct i2c_device_id ad799x_id[] = {
{ "ad7991", ad7991 },
{ "ad7995", ad7995 },
......@@ -881,6 +934,7 @@ MODULE_DEVICE_TABLE(i2c, ad799x_id);
static struct i2c_driver ad799x_driver = {
.driver = {
.name = "ad799x",
.pm = &ad799x_pm_ops,
},
.probe = ad799x_probe,
.remove = ad799x_remove,
......
drivers/iio/adc/ad_sigma_delta.c
View file @ 7ba31c3f
......@@ -500,7 +500,7 @@ static int ad_sd_probe_trigger(struct iio_dev *indio_dev)
ret = request_irq(sigma_delta->spi->irq,
ad_sd_data_rdy_trig_poll,
IRQF_TRIGGER_LOW,
sigma_delta->info->irq_flags,
indio_dev->name,
sigma_delta);
if (ret)
......
drivers/iio/adc/at91-sama5d2_adc.c
View file @ 7ba31c3f
......@@ -1444,10 +1444,10 @@ static void at91_adc_dma_init(struct platform_device *pdev)
if (st->dma_st.dma_chan)
return;
st->dma_st.dma_chan = dma_request_slave_channel(&pdev->dev, "rx");
if (!st->dma_st.dma_chan) {
st->dma_st.dma_chan = dma_request_chan(&pdev->dev, "rx");
if (IS_ERR(st->dma_st.dma_chan)) {
dev_info(&pdev->dev, "can't get DMA channel\n");
st->dma_st.dma_chan = NULL;
goto dma_exit;
}
......
drivers/iio/adc/ltc2496.c 0 → 100644
View file @ 7ba31c3f
// SPDX-License-Identifier: GPL-2.0-only
/*
* ltc2496.c - Driver for Analog Devices/Linear Technology LTC2496 ADC
*
* Based on ltc2497.c which has
* Copyright (C) 2017 Analog Devices Inc.
*
* Licensed under the GPL-2.
*
* Datasheet: https://www.analog.com/media/en/technical-documentation/data-sheets/2496fc.pdf
*/
#include <linux/spi/spi.h>
#include <linux/iio/iio.h>
#include <linux/iio/driver.h>
#include <linux/module.h>
#include <linux/of.h>
#include "ltc2497.h"
struct ltc2496_driverdata {
/* this must be the first member */
struct ltc2497core_driverdata common_ddata;
struct spi_device *spi;
/*
* DMA (thus cache coherency maintenance) requires the
* transfer buffers to live in their own cache lines.
*/
unsigned char rxbuf[3] ____cacheline_aligned;
unsigned char txbuf[3];
};
static int ltc2496_result_and_measure(struct ltc2497core_driverdata *ddata,
u8 address, int *val)
{
struct ltc2496_driverdata *st =
container_of(ddata, struct ltc2496_driverdata, common_ddata);
struct spi_transfer t = {
.tx_buf = st->txbuf,
.rx_buf = st->rxbuf,
.len = sizeof(st->txbuf),
};
int ret;
st->txbuf[0] = LTC2497_ENABLE | address;
ret = spi_sync_transfer(st->spi, &t, 1);
if (ret < 0) {
dev_err(&st->spi->dev, "spi_sync_transfer failed: %pe\n",
ERR_PTR(ret));
return ret;
}
if (val)
*val = ((st->rxbuf[0] & 0x3f) << 12 |
st->rxbuf[1] << 4 | st->rxbuf[2] >> 4) -
(1 << 17);
return 0;
}
static int ltc2496_probe(struct spi_device *spi)
{
struct iio_dev *indio_dev;
struct ltc2496_driverdata *st;
struct device *dev = &spi->dev;
indio_dev = devm_iio_device_alloc(dev, sizeof(*st));
if (!indio_dev)
return -ENOMEM;
st = iio_priv(indio_dev);
spi_set_drvdata(spi, indio_dev);
st->spi = spi;
st->common_ddata.result_and_measure = ltc2496_result_and_measure;
return ltc2497core_probe(dev, indio_dev);
}
static int ltc2496_remove(struct spi_device *spi)
{
struct iio_dev *indio_dev = spi_get_drvdata(spi);
ltc2497core_remove(indio_dev);
return 0;
}
static const struct of_device_id ltc2496_of_match[] = {
{ .compatible = "lltc,ltc2496", },
{},
};
MODULE_DEVICE_TABLE(of, ltc2496_of_match);
static struct spi_driver ltc2496_driver = {
.driver = {
.name = "ltc2496",
.of_match_table = of_match_ptr(ltc2496_of_match),
},
.probe = ltc2496_probe,
.remove = ltc2496_remove,
};
module_spi_driver(ltc2496_driver);
MODULE_AUTHOR("Uwe Kleine-König <u.kleine-könig@pengutronix.de>");
MODULE_DESCRIPTION("Linear Technology LTC2496 ADC driver");
MODULE_LICENSE("GPL v2");
drivers/iio/adc/ltc2497-core.c 0 → 100644
View file @ 7ba31c3f
// SPDX-License-Identifier: GPL-2.0-only
/*
* ltc2497-core.c - Common code for Analog Devices/Linear Technology
* LTC2496 and LTC2497 ADCs
*
* Copyright (C) 2017 Analog Devices Inc.
*/
#include <linux/delay.h>
#include <linux/iio/iio.h>
#include <linux/iio/driver.h>
#include <linux/module.h>
#include <linux/regulator/consumer.h>
#include "ltc2497.h"
#define LTC2497_SGL BIT(4)
#define LTC2497_DIFF 0
#define LTC2497_SIGN BIT(3)
static int ltc2497core_wait_conv(struct ltc2497core_driverdata *ddata)
{
s64 time_elapsed;
time_elapsed = ktime_ms_delta(ktime_get(), ddata->time_prev);
if (time_elapsed < LTC2497_CONVERSION_TIME_MS) {
/* delay if conversion time not passed
* since last read or write
*/
if (msleep_interruptible(
LTC2497_CONVERSION_TIME_MS - time_elapsed))
return -ERESTARTSYS;
return 0;
}
if (time_elapsed - LTC2497_CONVERSION_TIME_MS <= 0) {
/* We're in automatic mode -
* so the last reading is still not outdated
*/
return 0;
}
return 1;
}
static int ltc2497core_read(struct ltc2497core_driverdata *ddata, u8 address, int *val)
{
int ret;
ret = ltc2497core_wait_conv(ddata);
if (ret < 0)
return ret;
if (ret || ddata->addr_prev != address) {
ret = ddata->result_and_measure(ddata, address, NULL);
if (ret < 0)
return ret;
ddata->addr_prev = address;
if (msleep_interruptible(LTC2497_CONVERSION_TIME_MS))
return -ERESTARTSYS;
}
ret = ddata->result_and_measure(ddata, address, val);
if (ret < 0)
return ret;
ddata->time_prev = ktime_get();
return ret;
}
static int ltc2497core_read_raw(struct iio_dev *indio_dev,
struct iio_chan_spec const *chan,
int *val, int *val2, long mask)
{
struct ltc2497core_driverdata *ddata = iio_priv(indio_dev);
int ret;
switch (mask) {
case IIO_CHAN_INFO_RAW:
mutex_lock(&indio_dev->mlock);
ret = ltc2497core_read(ddata, chan->address, val);
mutex_unlock(&indio_dev->mlock);
if (ret < 0)
return ret;
return IIO_VAL_INT;
case IIO_CHAN_INFO_SCALE:
ret = regulator_get_voltage(ddata->ref);
if (ret < 0)
return ret;
*val = ret / 1000;
*val2 = 17;
return IIO_VAL_FRACTIONAL_LOG2;
default:
return -EINVAL;
}
}
#define LTC2497_CHAN(_chan, _addr, _ds_name) { \
.type = IIO_VOLTAGE, \
.indexed = 1, \
.channel = (_chan), \
.address = (_addr | (_chan / 2) | ((_chan & 1) ? LTC2497_SIGN : 0)), \
.info_mask_separate = BIT(IIO_CHAN_INFO_RAW), \
.info_mask_shared_by_type = BIT(IIO_CHAN_INFO_SCALE), \
.datasheet_name = (_ds_name), \
}
#define LTC2497_CHAN_DIFF(_chan, _addr) { \
.type = IIO_VOLTAGE, \
.indexed = 1, \
.channel = (_chan) * 2 + ((_addr) & LTC2497_SIGN ? 1 : 0), \
.channel2 = (_chan) * 2 + ((_addr) & LTC2497_SIGN ? 0 : 1),\
.address = (_addr | _chan), \
.info_mask_separate = BIT(IIO_CHAN_INFO_RAW), \
.info_mask_shared_by_type = BIT(IIO_CHAN_INFO_SCALE), \
.differential = 1, \
}
static const struct iio_chan_spec ltc2497core_channel[] = {
LTC2497_CHAN(0, LTC2497_SGL, "CH0"),
LTC2497_CHAN(1, LTC2497_SGL, "CH1"),
LTC2497_CHAN(2, LTC2497_SGL, "CH2"),
LTC2497_CHAN(3, LTC2497_SGL, "CH3"),
LTC2497_CHAN(4, LTC2497_SGL, "CH4"),
LTC2497_CHAN(5, LTC2497_SGL, "CH5"),
LTC2497_CHAN(6, LTC2497_SGL, "CH6"),
LTC2497_CHAN(7, LTC2497_SGL, "CH7"),
LTC2497_CHAN(8, LTC2497_SGL, "CH8"),
LTC2497_CHAN(9, LTC2497_SGL, "CH9"),
LTC2497_CHAN(10, LTC2497_SGL, "CH10"),
LTC2497_CHAN(11, LTC2497_SGL, "CH11"),
LTC2497_CHAN(12, LTC2497_SGL, "CH12"),
LTC2497_CHAN(13, LTC2497_SGL, "CH13"),
LTC2497_CHAN(14, LTC2497_SGL, "CH14"),
LTC2497_CHAN(15, LTC2497_SGL, "CH15"),
LTC2497_CHAN_DIFF(0, LTC2497_DIFF),
LTC2497_CHAN_DIFF(1, LTC2497_DIFF),
LTC2497_CHAN_DIFF(2, LTC2497_DIFF),
LTC2497_CHAN_DIFF(3, LTC2497_DIFF),
LTC2497_CHAN_DIFF(4, LTC2497_DIFF),
LTC2497_CHAN_DIFF(5, LTC2497_DIFF),
LTC2497_CHAN_DIFF(6, LTC2497_DIFF),
LTC2497_CHAN_DIFF(7, LTC2497_DIFF),
LTC2497_CHAN_DIFF(0, LTC2497_DIFF | LTC2497_SIGN),
LTC2497_CHAN_DIFF(1, LTC2497_DIFF | LTC2497_SIGN),
LTC2497_CHAN_DIFF(2, LTC2497_DIFF | LTC2497_SIGN),
LTC2497_CHAN_DIFF(3, LTC2497_DIFF | LTC2497_SIGN),
LTC2497_CHAN_DIFF(4, LTC2497_DIFF | LTC2497_SIGN),
LTC2497_CHAN_DIFF(5, LTC2497_DIFF | LTC2497_SIGN),
LTC2497_CHAN_DIFF(6, LTC2497_DIFF | LTC2497_SIGN),
LTC2497_CHAN_DIFF(7, LTC2497_DIFF | LTC2497_SIGN),
};
static const struct iio_info ltc2497core_info = {
.read_raw = ltc2497core_read_raw,
};
int ltc2497core_probe(struct device *dev, struct iio_dev *indio_dev)
{
struct ltc2497core_driverdata *ddata = iio_priv(indio_dev);
int ret;
indio_dev->dev.parent = dev;
indio_dev->name = dev_name(dev);
indio_dev->info = &ltc2497core_info;
indio_dev->modes = INDIO_DIRECT_MODE;
indio_dev->channels = ltc2497core_channel;
indio_dev->num_channels = ARRAY_SIZE(ltc2497core_channel);
ret = ddata->result_and_measure(ddata, LTC2497_CONFIG_DEFAULT, NULL);
if (ret < 0)
return ret;
ddata->ref = devm_regulator_get(dev, "vref");
if (IS_ERR(ddata->ref)) {
if (PTR_ERR(ddata->ref) != -EPROBE_DEFER)
dev_err(dev, "Failed to get vref regulator: %pe\n",
ddata->ref);
return PTR_ERR(ddata->ref);
}
ret = regulator_enable(ddata->ref);
if (ret < 0) {
dev_err(dev, "Failed to enable vref regulator: %pe\n",
ERR_PTR(ret));
return ret;
}
if (dev->platform_data) {
struct iio_map *plat_data;
plat_data = (struct iio_map *)dev->platform_data;
ret = iio_map_array_register(indio_dev, plat_data);
if (ret) {
dev_err(&indio_dev->dev, "iio map err: %d\n", ret);
goto err_regulator_disable;
}
}
ddata->addr_prev = LTC2497_CONFIG_DEFAULT;
ddata->time_prev = ktime_get();
ret = iio_device_register(indio_dev);
if (ret < 0)
goto err_array_unregister;
return 0;
err_array_unregister:
iio_map_array_unregister(indio_dev);
err_regulator_disable:
regulator_disable(ddata->ref);
return ret;
}
EXPORT_SYMBOL_NS(ltc2497core_probe, LTC2497);
void ltc2497core_remove(struct iio_dev *indio_dev)
{
struct ltc2497core_driverdata *ddata = iio_priv(indio_dev);
iio_device_unregister(indio_dev);
iio_map_array_unregister(indio_dev);
regulator_disable(ddata->ref);
}
EXPORT_SYMBOL_NS(ltc2497core_remove, LTC2497);
MODULE_DESCRIPTION("common code for LTC2496/LTC2497 drivers");
MODULE_LICENSE("GPL v2");
drivers/iio/adc/ltc2497.c
View file @ 7ba31c3f
......@@ -7,27 +7,18 @@
* Datasheet: http://cds.linear.com/docs/en/datasheet/2497fd.pdf
*/
#include <linux/delay.h>
#include <linux/i2c.h>
#include <linux/iio/iio.h>
#include <linux/iio/driver.h>
#include <linux/iio/sysfs.h>
#include <linux/module.h>
#include <linux/of.h>
#include <linux/regulator/consumer.h>
#define LTC2497_ENABLE 0xA0
#define LTC2497_SGL BIT(4)
#define LTC2497_DIFF 0
#define LTC2497_SIGN BIT(3)
#define LTC2497_CONFIG_DEFAULT LTC2497_ENABLE
#define LTC2497_CONVERSION_TIME_MS 150ULL
#include "ltc2497.h"
struct ltc2497_st {
struct ltc2497_driverdata {
/* this must be the first member */
struct ltc2497core_driverdata common_ddata;
struct i2c_client *client;
struct regulator *ref;
ktime_t time_prev;
u8 addr_prev;
/*
* DMA (thus cache coherency maintenance) requires the
* transfer buffers to live in their own cache lines.
......@@ -35,232 +26,59 @@ struct ltc2497_st {
__be32 buf ____cacheline_aligned;
};
static int ltc2497_wait_conv(struct ltc2497_st *st)
static int ltc2497_result_and_measure(struct ltc2497core_driverdata *ddata,
u8 address, int *val)
{
s64 time_elapsed;
time_elapsed = ktime_ms_delta(ktime_get(), st->time_prev);
if (time_elapsed < LTC2497_CONVERSION_TIME_MS) {
/* delay if conversion time not passed
* since last read or write
*/
if (msleep_interruptible(
LTC2497_CONVERSION_TIME_MS - time_elapsed))
return -ERESTARTSYS;
return 0;
}
if (time_elapsed - LTC2497_CONVERSION_TIME_MS <= 0) {
/* We're in automatic mode -
* so the last reading is stil not outdated
*/
return 0;
}
return 1;
}
static int ltc2497_read(struct ltc2497_st *st, u8 address, int *val)
{
struct i2c_client *client = st->client;
struct ltc2497_driverdata *st =
container_of(ddata, struct ltc2497_driverdata, common_ddata);
int ret;
ret = ltc2497_wait_conv(st);
if (ret < 0)
return ret;
if (ret || st->addr_prev != address) {
ret = i2c_smbus_write_byte(st->client,
LTC2497_ENABLE | address);
if (ret < 0)
return ret;
st->addr_prev = address;
if (msleep_interruptible(LTC2497_CONVERSION_TIME_MS))
return -ERESTARTSYS;
}
ret = i2c_master_recv(client, (char *)&st->buf, 3);
if (val) {
ret = i2c_master_recv(st->client, (char *)&st->buf, 3);
if (ret < 0) {
dev_err(&client->dev, "i2c_master_recv failed\n");
dev_err(&st->client->dev, "i2c_master_recv failed\n");
return ret;
}
st->time_prev = ktime_get();
/* convert and shift the result,
* and finally convert from offset binary to signed integer
*/
*val = (be32_to_cpu(st->buf) >> 14) - (1 << 17);
return ret;
}
static int ltc2497_read_raw(struct iio_dev *indio_dev,
struct iio_chan_spec const *chan,
int *val, int *val2, long mask)
{
struct ltc2497_st *st = iio_priv(indio_dev);
int ret;
switch (mask) {
case IIO_CHAN_INFO_RAW:
mutex_lock(&indio_dev->mlock);
ret = ltc2497_read(st, chan->address, val);
mutex_unlock(&indio_dev->mlock);
if (ret < 0)
return ret;
return IIO_VAL_INT;
case IIO_CHAN_INFO_SCALE:
ret = regulator_get_voltage(st->ref);
if (ret < 0)
return ret;
*val = ret / 1000;
*val2 = 17;
return IIO_VAL_FRACTIONAL_LOG2;
default:
return -EINVAL;
}
}
#define LTC2497_CHAN(_chan, _addr, _ds_name) { \
.type = IIO_VOLTAGE, \
.indexed = 1, \
.channel = (_chan), \
.address = (_addr | (_chan / 2) | ((_chan & 1) ? LTC2497_SIGN : 0)), \
.info_mask_separate = BIT(IIO_CHAN_INFO_RAW), \
.info_mask_shared_by_type = BIT(IIO_CHAN_INFO_SCALE), \
.datasheet_name = (_ds_name), \
}
#define LTC2497_CHAN_DIFF(_chan, _addr) { \
.type = IIO_VOLTAGE, \
.indexed = 1, \
.channel = (_chan) * 2 + ((_addr) & LTC2497_SIGN ? 1 : 0), \
.channel2 = (_chan) * 2 + ((_addr) & LTC2497_SIGN ? 0 : 1),\
.address = (_addr | _chan), \
.info_mask_separate = BIT(IIO_CHAN_INFO_RAW), \
.info_mask_shared_by_type = BIT(IIO_CHAN_INFO_SCALE), \
.differential = 1, \
ret = i2c_smbus_write_byte(st->client,
LTC2497_ENABLE | address);
if (ret)
dev_err(&st->client->dev, "i2c transfer failed: %pe\n",
ERR_PTR(ret));
return ret;
}
static const struct iio_chan_spec ltc2497_channel[] = {
LTC2497_CHAN(0, LTC2497_SGL, "CH0"),
LTC2497_CHAN(1, LTC2497_SGL, "CH1"),
LTC2497_CHAN(2, LTC2497_SGL, "CH2"),
LTC2497_CHAN(3, LTC2497_SGL, "CH3"),
LTC2497_CHAN(4, LTC2497_SGL, "CH4"),
LTC2497_CHAN(5, LTC2497_SGL, "CH5"),
LTC2497_CHAN(6, LTC2497_SGL, "CH6"),
LTC2497_CHAN(7, LTC2497_SGL, "CH7"),
LTC2497_CHAN(8, LTC2497_SGL, "CH8"),
LTC2497_CHAN(9, LTC2497_SGL, "CH9"),
LTC2497_CHAN(10, LTC2497_SGL, "CH10"),
LTC2497_CHAN(11, LTC2497_SGL, "CH11"),
LTC2497_CHAN(12, LTC2497_SGL, "CH12"),
LTC2497_CHAN(13, LTC2497_SGL, "CH13"),
LTC2497_CHAN(14, LTC2497_SGL, "CH14"),
LTC2497_CHAN(15, LTC2497_SGL, "CH15"),
LTC2497_CHAN_DIFF(0, LTC2497_DIFF),
LTC2497_CHAN_DIFF(1, LTC2497_DIFF),
LTC2497_CHAN_DIFF(2, LTC2497_DIFF),
LTC2497_CHAN_DIFF(3, LTC2497_DIFF),
LTC2497_CHAN_DIFF(4, LTC2497_DIFF),
LTC2497_CHAN_DIFF(5, LTC2497_DIFF),
LTC2497_CHAN_DIFF(6, LTC2497_DIFF),
LTC2497_CHAN_DIFF(7, LTC2497_DIFF),
LTC2497_CHAN_DIFF(0, LTC2497_DIFF | LTC2497_SIGN),
LTC2497_CHAN_DIFF(1, LTC2497_DIFF | LTC2497_SIGN),
LTC2497_CHAN_DIFF(2, LTC2497_DIFF | LTC2497_SIGN),
LTC2497_CHAN_DIFF(3, LTC2497_DIFF | LTC2497_SIGN),
LTC2497_CHAN_DIFF(4, LTC2497_DIFF | LTC2497_SIGN),
LTC2497_CHAN_DIFF(5, LTC2497_DIFF | LTC2497_SIGN),
LTC2497_CHAN_DIFF(6, LTC2497_DIFF | LTC2497_SIGN),
LTC2497_CHAN_DIFF(7, LTC2497_DIFF | LTC2497_SIGN),
};
static const struct iio_info ltc2497_info = {
.read_raw = ltc2497_read_raw,
};
static int ltc2497_probe(struct i2c_client *client,
const struct i2c_device_id *id)
{
struct iio_dev *indio_dev;
struct ltc2497_st *st;
struct iio_map *plat_data;
int ret;
struct ltc2497_driverdata *st;
struct device *dev = &client->dev;
if (!i2c_check_functionality(client->adapter, I2C_FUNC_I2C |
I2C_FUNC_SMBUS_WRITE_BYTE))
return -EOPNOTSUPP;
indio_dev = devm_iio_device_alloc(&client->dev, sizeof(*st));
indio_dev = devm_iio_device_alloc(dev, sizeof(*st));
if (!indio_dev)
return -ENOMEM;
st = iio_priv(indio_dev);
i2c_set_clientdata(client, indio_dev);
st->client = client;
st->common_ddata.result_and_measure = ltc2497_result_and_measure;
indio_dev->dev.parent = &client->dev;
indio_dev->name = id->name;
indio_dev->info = &ltc2497_info;
indio_dev->modes = INDIO_DIRECT_MODE;
indio_dev->channels = ltc2497_channel;
indio_dev->num_channels = ARRAY_SIZE(ltc2497_channel);
st->ref = devm_regulator_get(&client->dev, "vref");
if (IS_ERR(st->ref))
return PTR_ERR(st->ref);
ret = regulator_enable(st->ref);
if (ret < 0)
return ret;
if (client->dev.platform_data) {
plat_data = ((struct iio_map *)client->dev.platform_data);
ret = iio_map_array_register(indio_dev, plat_data);
if (ret) {
dev_err(&indio_dev->dev, "iio map err: %d\n", ret);
goto err_regulator_disable;
}
}
ret = i2c_smbus_write_byte(st->client, LTC2497_CONFIG_DEFAULT);
if (ret < 0)
goto err_array_unregister;
st->addr_prev = LTC2497_CONFIG_DEFAULT;
st->time_prev = ktime_get();
ret = iio_device_register(indio_dev);
if (ret < 0)
goto err_array_unregister;
return 0;
err_array_unregister:
iio_map_array_unregister(indio_dev);
err_regulator_disable:
regulator_disable(st->ref);
return ret;
return ltc2497core_probe(dev, indio_dev);
}
static int ltc2497_remove(struct i2c_client *client)
{
struct iio_dev *indio_dev = i2c_get_clientdata(client);
struct ltc2497_st *st = iio_priv(indio_dev);
iio_map_array_unregister(indio_dev);
iio_device_unregister(indio_dev);
regulator_disable(st->ref);
ltc2497core_remove(indio_dev);
return 0;
}
......
drivers/iio/adc/ltc2497.h 0 → 100644
View file @ 7ba31c3f
/* SPDX-License-Identifier: GPL-2.0-only */
#define LTC2497_ENABLE 0xA0
#define LTC2497_CONFIG_DEFAULT LTC2497_ENABLE
#define LTC2497_CONVERSION_TIME_MS 150ULL
struct ltc2497core_driverdata {
struct regulator *ref;
ktime_t time_prev;
u8 addr_prev;
int (*result_and_measure)(struct ltc2497core_driverdata *ddata,
u8 address, int *val);
};
int ltc2497core_probe(struct device *dev, struct iio_dev *indio_dev);
void ltc2497core_remove(struct iio_dev *indio_dev);
MODULE_IMPORT_NS(LTC2497);
drivers/iio/adc/max9611.c
View file @ 7ba31c3f
......@@ -115,22 +115,17 @@ enum max9611_conf_ids {
* where data shall be read from
*/
static const unsigned int max9611_mux_conf[][2] = {
/* CONF_SENSE_1x */
{ MAX9611_MUX_SENSE_1x, MAX9611_REG_CSA_DATA },
/* CONF_SENSE_4x */
{ MAX9611_MUX_SENSE_4x, MAX9611_REG_CSA_DATA },
/* CONF_SENSE_8x */
{ MAX9611_MUX_SENSE_8x, MAX9611_REG_CSA_DATA },
/* CONF_IN_VOLT */
{ MAX9611_INPUT_VOLT, MAX9611_REG_RS_DATA },
/* CONF_TEMP */
{ MAX9611_MUX_TEMP, MAX9611_REG_TEMP_DATA },
[CONF_SENSE_1x] = { MAX9611_MUX_SENSE_1x, MAX9611_REG_CSA_DATA },
[CONF_SENSE_4x] = { MAX9611_MUX_SENSE_4x, MAX9611_REG_CSA_DATA },
[CONF_SENSE_8x] = { MAX9611_MUX_SENSE_8x, MAX9611_REG_CSA_DATA },
[CONF_IN_VOLT] = { MAX9611_INPUT_VOLT, MAX9611_REG_RS_DATA },
[CONF_TEMP] = { MAX9611_MUX_TEMP, MAX9611_REG_TEMP_DATA },
};
enum max9611_csa_gain {
CSA_GAIN_1x,
CSA_GAIN_4x,
CSA_GAIN_8x,
CSA_GAIN_1x = CONF_SENSE_1x,
CSA_GAIN_4x = CONF_SENSE_4x,
CSA_GAIN_8x = CONF_SENSE_8x,
};
enum max9611_csa_gain_params {
......@@ -148,18 +143,9 @@ enum max9611_csa_gain_params {
* value; use this structure to retrieve the correct LSB and offset values.
*/
static const unsigned int max9611_gain_conf[][2] = {
{ /* [0] CSA_GAIN_1x */
MAX9611_CSA_1X_LSB_nV,
MAX9611_CSA_1X_OFFS_RAW,
},
{ /* [1] CSA_GAIN_4x */
MAX9611_CSA_4X_LSB_nV,
MAX9611_CSA_4X_OFFS_RAW,
},
{ /* [2] CSA_GAIN_8x */
MAX9611_CSA_8X_LSB_nV,
MAX9611_CSA_8X_OFFS_RAW,
},
[CSA_GAIN_1x] = { MAX9611_CSA_1X_LSB_nV, MAX9611_CSA_1X_OFFS_RAW, },
[CSA_GAIN_4x] = { MAX9611_CSA_4X_LSB_nV, MAX9611_CSA_4X_OFFS_RAW, },
[CSA_GAIN_8x] = { MAX9611_CSA_8X_LSB_nV, MAX9611_CSA_8X_OFFS_RAW, },
};
enum max9611_chan_addrs {
......
drivers/iio/adc/stm32-adc-core.c
View file @ 7ba31c3f
......@@ -280,21 +280,21 @@ static int stm32h7_adc_clk_sel(struct platform_device *pdev,
static const struct stm32_adc_common_regs stm32f4_adc_common_regs = {
.csr = STM32F4_ADC_CSR,
.ccr = STM32F4_ADC_CCR,
.eoc1_msk = STM32F4_EOC1,
.eoc2_msk = STM32F4_EOC2,
.eoc3_msk = STM32F4_EOC3,
.eoc1_msk = STM32F4_EOC1 | STM32F4_OVR1,
.eoc2_msk = STM32F4_EOC2 | STM32F4_OVR2,
.eoc3_msk = STM32F4_EOC3 | STM32F4_OVR3,
.ier = STM32F4_ADC_CR1,
.eocie_msk = STM32F4_EOCIE,
.eocie_msk = STM32F4_EOCIE | STM32F4_OVRIE,
};
/* STM32H7 common registers definitions */
static const struct stm32_adc_common_regs stm32h7_adc_common_regs = {
.csr = STM32H7_ADC_CSR,
.ccr = STM32H7_ADC_CCR,
.eoc1_msk = STM32H7_EOC_MST,
.eoc2_msk = STM32H7_EOC_SLV,
.eoc1_msk = STM32H7_EOC_MST | STM32H7_OVR_MST,
.eoc2_msk = STM32H7_EOC_SLV | STM32H7_OVR_SLV,
.ier = STM32H7_ADC_IER,
.eocie_msk = STM32H7_EOCIE,
.eocie_msk = STM32H7_EOCIE | STM32H7_OVRIE,
};
static const unsigned int stm32_adc_offset[STM32_ADC_MAX_ADCS] = {
......@@ -688,6 +688,7 @@ static int stm32_adc_probe(struct platform_device *pdev)
priv->vref = devm_regulator_get(&pdev->dev, "vref");
if (IS_ERR(priv->vref)) {
ret = PTR_ERR(priv->vref);
if (ret != -EPROBE_DEFER)
dev_err(&pdev->dev, "vref get failed, %d\n", ret);
return ret;
}
......@@ -696,6 +697,7 @@ static int stm32_adc_probe(struct platform_device *pdev)
if (IS_ERR(priv->aclk)) {
ret = PTR_ERR(priv->aclk);
if (ret != -ENOENT) {
if (ret != -EPROBE_DEFER)
dev_err(&pdev->dev, "Can't get 'adc' clock\n");
return ret;
}
......@@ -706,6 +708,7 @@ static int stm32_adc_probe(struct platform_device *pdev)
if (IS_ERR(priv->bclk)) {
ret = PTR_ERR(priv->bclk);
if (ret != -ENOENT) {
if (ret != -EPROBE_DEFER)
dev_err(&pdev->dev, "Can't get 'bus' clock\n");
return ret;
}
......
drivers/iio/adc/stm32-adc-core.h
View file @ 7ba31c3f
......@@ -51,10 +51,12 @@
#define STM32F4_ADC_CCR (STM32_ADCX_COMN_OFFSET + 0x04)
/* STM32F4_ADC_SR - bit fields */
#define STM32F4_OVR BIT(5)
#define STM32F4_STRT BIT(4)
#define STM32F4_EOC BIT(1)
/* STM32F4_ADC_CR1 - bit fields */
#define STM32F4_OVRIE BIT(26)
#define STM32F4_RES_SHIFT 24
#define STM32F4_RES_MASK GENMASK(25, 24)
#define STM32F4_SCAN BIT(8)
......@@ -72,8 +74,11 @@
#define STM32F4_ADON BIT(0)
/* STM32F4_ADC_CSR - bit fields */
#define STM32F4_OVR3 BIT(21)
#define STM32F4_EOC3 BIT(17)
#define STM32F4_OVR2 BIT(13)
#define STM32F4_EOC2 BIT(9)
#define STM32F4_OVR1 BIT(5)
#define STM32F4_EOC1 BIT(1)
/* STM32F4_ADC_CCR - bit fields */
......@@ -103,10 +108,12 @@
/* STM32H7_ADC_ISR - bit fields */
#define STM32MP1_VREGREADY BIT(12)
#define STM32H7_OVR BIT(4)
#define STM32H7_EOC BIT(2)
#define STM32H7_ADRDY BIT(0)
/* STM32H7_ADC_IER - bit fields */
#define STM32H7_OVRIE STM32H7_OVR
#define STM32H7_EOCIE STM32H7_EOC
/* STM32H7_ADC_CR - bit fields */
......@@ -155,7 +162,9 @@ enum stm32h7_adc_dmngt {
#define STM32H7_LINCALFACT_MASK GENMASK(29, 0)
/* STM32H7_ADC_CSR - bit fields */
#define STM32H7_OVR_SLV BIT(20)
#define STM32H7_EOC_SLV BIT(18)
#define STM32H7_OVR_MST BIT(4)
#define STM32H7_EOC_MST BIT(2)
/* STM32H7_ADC_CCR - bit fields */
......
drivers/iio/adc/stm32-adc.c
View file @ 7ba31c3f
This diff is collapsed.
drivers/iio/adc/stm32-dfsdm-adc.c
View file @ 7ba31c3f
This diff is collapsed.
drivers/iio/adc/ti-ads1015.c
View file @ 7ba31c3f
This diff is collapsed.
drivers/iio/adc/ti-ads7950.c
View file @ 7ba31c3f
......@@ -602,7 +602,7 @@ static int ti_ads7950_probe(struct spi_device *spi)
st->reg = devm_regulator_get(&spi->dev, "vref");
if (IS_ERR(st->reg)) {
dev_err(&spi->dev, "Failed get get regulator \"vref\"\n");
dev_err(&spi->dev, "Failed to get regulator \"vref\"\n");
ret = PTR_ERR(st->reg);
goto error_destroy_mutex;
}
......
drivers/iio/buffer/industrialio-buffer-dma.c
View file @ 7ba31c3f
......@@ -476,7 +476,7 @@ static struct iio_dma_buffer_block *iio_dma_buffer_dequeue(
* @n: Number of bytes to read
* @user_buffer: Userspace buffer to copy the data to
*
* Should be used as the read_first_n callback for iio_buffer_access_ops
* Should be used as the read callback for iio_buffer_access_ops
* struct for DMA buffers.
*/
int iio_dma_buffer_read(struct iio_buffer *buffer, size_t n,
......
drivers/iio/buffer/kfifo_buf.c
View file @ 7ba31c3f
......@@ -98,8 +98,7 @@ static int iio_store_to_kfifo(struct iio_buffer *r,
return 0;
}
static int iio_read_first_n_kfifo(struct iio_buffer *r,
size_t n, char __user *buf)
static int iio_read_kfifo(struct iio_buffer *r, size_t n, char __user *buf)
{
int ret, copied;
struct iio_kfifo *kf = iio_to_kfifo(r);
......@@ -141,7 +140,7 @@ static void iio_kfifo_buffer_release(struct iio_buffer *buffer)
static const struct iio_buffer_access_funcs kfifo_access_funcs = {
.store_to = &iio_store_to_kfifo,
.read_first_n = &iio_read_first_n_kfifo,
.read = &iio_read_kfifo,
.data_available = iio_kfifo_buf_data_available,
.request_update = &iio_request_update_kfifo,
.set_bytes_per_datum = &iio_set_bytes_per_datum_kfifo,
......
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#
# When adding new entries keep the list in alphabetical order
obj-$(CONFIG_ATLAS_PH_SENSOR) += atlas-ph-sensor.o
obj-$(CONFIG_ATLAS_PH_SENSOR) += atlas-sensor.o
obj-$(CONFIG_BME680) += bme680_core.o
obj-$(CONFIG_BME680_I2C) += bme680_i2c.o
obj-$(CONFIG_BME680_SPI) += bme680_spi.o
......
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/**
* st_sensors_new_samples_available() - check if more samples came in
* @indio_dev: IIO device reference.
* @sdata: Sensor data.
*
* returns:
* 0 - no new samples available
* 1 - new samples available
......
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