diff options
Diffstat (limited to 'meta-agl-bsp/virtualization-layer/recipes-kernel/linux/linux-yocto/virtio-kmeta')
6 files changed, 178 insertions, 0 deletions
diff --git a/meta-agl-bsp/virtualization-layer/recipes-kernel/linux/linux-yocto/virtio-kmeta/bsp/virtio/virtio-scmi/0001-iio-core-Introduce-IIO_VAL_INT_64.patch b/meta-agl-bsp/virtualization-layer/recipes-kernel/linux/linux-yocto/virtio-kmeta/bsp/virtio/virtio-scmi/0001-iio-core-Introduce-IIO_VAL_INT_64.patch new file mode 100644 index 000000000..2a18a04d3 --- /dev/null +++ b/meta-agl-bsp/virtualization-layer/recipes-kernel/linux/linux-yocto/virtio-kmeta/bsp/virtio/virtio-scmi/0001-iio-core-Introduce-IIO_VAL_INT_64.patch @@ -0,0 +1,45 @@ +From 3698bab1b1856a8146c8f8a83c888bd9cefcdde0 Mon Sep 17 00:00:00 2001 +From: Andriy Tryshnivskyy <andriy.tryshnivskyy@opensynergy.com> +Date: Sun, 24 Oct 2021 12:16:26 +0300 +Subject: [PATCH] iio: core: Introduce IIO_VAL_INT_64. + +Introduce IIO_VAL_INT_64 to read 64-bit value for +channel attribute. Val is used as lower 32 bits. + +Signed-off-by: Andriy Tryshnivskyy <andriy.tryshnivskyy@opensynergy.com> +Link: https://lore.kernel.org/r/20211024091627.28031-2-andriy.tryshnivskyy@opensynergy.com +Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com> +--- + drivers/iio/industrialio-core.c | 3 +++ + include/linux/iio/types.h | 1 + + 2 files changed, 4 insertions(+) + +diff --git a/drivers/iio/industrialio-core.c b/drivers/iio/industrialio-core.c +index 3e1e86d987cc..3f21e6b49a4a 100644 +--- a/drivers/iio/industrialio-core.c ++++ b/drivers/iio/industrialio-core.c +@@ -702,6 +702,9 @@ static ssize_t __iio_format_value(char *buf, size_t offset, unsigned int type, + } + case IIO_VAL_CHAR: + return sysfs_emit_at(buf, offset, "%c", (char)vals[0]); ++ case IIO_VAL_INT_64: ++ tmp2 = (s64)((((u64)vals[1]) << 32) | (u32)vals[0]); ++ return sysfs_emit_at(buf, offset, "%lld", tmp2); + default: + return 0; + } +diff --git a/include/linux/iio/types.h b/include/linux/iio/types.h +index 84b3f8175cc6..a7aa91f3a8dc 100644 +--- a/include/linux/iio/types.h ++++ b/include/linux/iio/types.h +@@ -24,6 +24,7 @@ enum iio_event_info { + #define IIO_VAL_INT_PLUS_NANO 3 + #define IIO_VAL_INT_PLUS_MICRO_DB 4 + #define IIO_VAL_INT_MULTIPLE 5 ++#define IIO_VAL_INT_64 6 /* 64-bit data, val is lower 32 bits */ + #define IIO_VAL_FRACTIONAL 10 + #define IIO_VAL_FRACTIONAL_LOG2 11 + #define IIO_VAL_CHAR 12 +-- +2.17.1 + diff --git a/meta-agl-bsp/virtualization-layer/recipes-kernel/linux/linux-yocto/virtio-kmeta/bsp/virtio/virtio-scmi/0002-iio-scmi-Add-reading-raw-attribute.patch b/meta-agl-bsp/virtualization-layer/recipes-kernel/linux/linux-yocto/virtio-kmeta/bsp/virtio/virtio-scmi/0002-iio-scmi-Add-reading-raw-attribute.patch new file mode 100644 index 000000000..a11e5e2ff --- /dev/null +++ b/meta-agl-bsp/virtualization-layer/recipes-kernel/linux/linux-yocto/virtio-kmeta/bsp/virtio/virtio-scmi/0002-iio-scmi-Add-reading-raw-attribute.patch @@ -0,0 +1,101 @@ +From a58a59fa0d626990f32e84bd35e1326cf0532c4a Mon Sep 17 00:00:00 2001 +From: Andriy Tryshnivskyy <andriy.tryshnivskyy@opensynergy.com> +Date: Sun, 24 Oct 2021 12:16:27 +0300 +Subject: [PATCH] iio/scmi: Add reading "raw" attribute. + +Add IIO_CHAN_INFO_RAW to the mask and implement corresponding +reading "raw" attribute in scmi_iio_read_raw. + +Signed-off-by: Andriy Tryshnivskyy <andriy.tryshnivskyy@opensynergy.com> +Acked-by: Jyoti Bhayana <jbhayana@google.com> +Link: https://lore.kernel.org/r/20211024091627.28031-3-andriy.tryshnivskyy@opensynergy.com +Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com> +--- + drivers/iio/common/scmi_sensors/scmi_iio.c | 57 +++++++++++++++++++++- + 1 file changed, 56 insertions(+), 1 deletion(-) + +diff --git a/drivers/iio/common/scmi_sensors/scmi_iio.c b/drivers/iio/common/scmi_sensors/scmi_iio.c +index 7cf2bf282cef..d538bf3ab1ef 100644 +--- a/drivers/iio/common/scmi_sensors/scmi_iio.c ++++ b/drivers/iio/common/scmi_sensors/scmi_iio.c +@@ -279,6 +279,52 @@ static int scmi_iio_get_odr_val(struct iio_dev *iio_dev, int *val, int *val2) + return 0; + } + ++static int scmi_iio_read_channel_data(struct iio_dev *iio_dev, ++ struct iio_chan_spec const *ch, int *val, int *val2) ++{ ++ struct scmi_iio_priv *sensor = iio_priv(iio_dev); ++ u32 sensor_config; ++ struct scmi_sensor_reading readings[SCMI_IIO_NUM_OF_AXIS]; ++ int err; ++ ++ sensor_config = FIELD_PREP(SCMI_SENS_CFG_SENSOR_ENABLED_MASK, ++ SCMI_SENS_CFG_SENSOR_ENABLE); ++ err = sensor->sensor_ops->config_set( ++ sensor->ph, sensor->sensor_info->id, sensor_config); ++ if (err) { ++ dev_err(&iio_dev->dev, ++ "Error in enabling sensor %s err %d", ++ sensor->sensor_info->name, err); ++ return err; ++ } ++ ++ err = sensor->sensor_ops->reading_get_timestamped( ++ sensor->ph, sensor->sensor_info->id, ++ sensor->sensor_info->num_axis, readings); ++ if (err) { ++ dev_err(&iio_dev->dev, ++ "Error in reading raw attribute for sensor %s err %d", ++ sensor->sensor_info->name, err); ++ return err; ++ } ++ ++ sensor_config = FIELD_PREP(SCMI_SENS_CFG_SENSOR_ENABLED_MASK, ++ SCMI_SENS_CFG_SENSOR_DISABLE); ++ err = sensor->sensor_ops->config_set( ++ sensor->ph, sensor->sensor_info->id, sensor_config); ++ if (err) { ++ dev_err(&iio_dev->dev, ++ "Error in disabling sensor %s err %d", ++ sensor->sensor_info->name, err); ++ return err; ++ } ++ ++ *val = lower_32_bits(readings[ch->scan_index].value); ++ *val2 = upper_32_bits(readings[ch->scan_index].value); ++ ++ return IIO_VAL_INT_64; ++} ++ + static int scmi_iio_read_raw(struct iio_dev *iio_dev, + struct iio_chan_spec const *ch, int *val, + int *val2, long mask) +@@ -300,6 +346,14 @@ static int scmi_iio_read_raw(struct iio_dev *iio_dev, + case IIO_CHAN_INFO_SAMP_FREQ: + ret = scmi_iio_get_odr_val(iio_dev, val, val2); + return ret ? ret : IIO_VAL_INT_PLUS_MICRO; ++ case IIO_CHAN_INFO_RAW: ++ ret = iio_device_claim_direct_mode(iio_dev); ++ if (ret) ++ return ret; ++ ++ ret = scmi_iio_read_channel_data(iio_dev, ch, val, val2); ++ iio_device_release_direct_mode(iio_dev); ++ return ret; + default: + return -EINVAL; + } +@@ -381,7 +435,8 @@ static void scmi_iio_set_data_channel(struct iio_chan_spec *iio_chan, + iio_chan->type = type; + iio_chan->modified = 1; + iio_chan->channel2 = mod; +- iio_chan->info_mask_separate = BIT(IIO_CHAN_INFO_SCALE); ++ iio_chan->info_mask_separate = ++ BIT(IIO_CHAN_INFO_SCALE) | BIT(IIO_CHAN_INFO_RAW); + iio_chan->info_mask_shared_by_type = BIT(IIO_CHAN_INFO_SAMP_FREQ); + iio_chan->info_mask_shared_by_type_available = + BIT(IIO_CHAN_INFO_SAMP_FREQ); +-- +2.17.1 + diff --git a/meta-agl-bsp/virtualization-layer/recipes-kernel/linux/linux-yocto/virtio-kmeta/bsp/virtio/virtio-scmi/iio-scmi.cfg b/meta-agl-bsp/virtualization-layer/recipes-kernel/linux/linux-yocto/virtio-kmeta/bsp/virtio/virtio-scmi/iio-scmi.cfg new file mode 100644 index 000000000..858d20657 --- /dev/null +++ b/meta-agl-bsp/virtualization-layer/recipes-kernel/linux/linux-yocto/virtio-kmeta/bsp/virtio/virtio-scmi/iio-scmi.cfg @@ -0,0 +1 @@ +CONFIG_IIO_SCMI=y diff --git a/meta-agl-bsp/virtualization-layer/recipes-kernel/linux/linux-yocto/virtio-kmeta/bsp/virtio/virtio-scmi/virtio-scmi.cfg b/meta-agl-bsp/virtualization-layer/recipes-kernel/linux/linux-yocto/virtio-kmeta/bsp/virtio/virtio-scmi/virtio-scmi.cfg new file mode 100644 index 000000000..b698e64ad --- /dev/null +++ b/meta-agl-bsp/virtualization-layer/recipes-kernel/linux/linux-yocto/virtio-kmeta/bsp/virtio/virtio-scmi/virtio-scmi.cfg @@ -0,0 +1,25 @@ +# Enable ARM_SCMI_PROTOCOL ("ARM System Control and Management Interface (SCMI) +# Message Protocol") config located in menu +# +# -> Device Drivers +# -> Firmware Drivers +# -> ARM System Control and Management Interface Protocol +# +# After that, in the same menu enabled: +# +# * ARM_SCMI_TRANSPORT_VIRTIO ("SCMI transport based on VirtIO") +# +# and disabled not used features: +# +# * ARM_SCMI_TRANSPORT_SMC ("SCMI transport based on SMC") +# * ARM_SCMI_POWER_DOMAIN ("SCMI power domain driver") + +CONFIG_ARM_SCMI_PROTOCOL=y +CONFIG_ARM_SCMI_HAVE_TRANSPORT=y +CONFIG_ARM_SCMI_HAVE_MSG=y +# CONFIG_ARM_SCMI_TRANSPORT_SMC is not set +CONFIG_ARM_SCMI_TRANSPORT_VIRTIO=y +# CONFIG_ARM_SCMI_POWER_DOMAIN is not set +# CONFIG_SENSORS_ARM_SCMI is not set +# CONFIG_COMMON_CLK_SCMI is not set +# CONFIG_IIO_SCMI is not set diff --git a/meta-agl-bsp/virtualization-layer/recipes-kernel/linux/linux-yocto/virtio-kmeta/bsp/virtio/virtio-scmi/virtio-scmi.scc b/meta-agl-bsp/virtualization-layer/recipes-kernel/linux/linux-yocto/virtio-kmeta/bsp/virtio/virtio-scmi/virtio-scmi.scc new file mode 100644 index 000000000..dea7dec73 --- /dev/null +++ b/meta-agl-bsp/virtualization-layer/recipes-kernel/linux/linux-yocto/virtio-kmeta/bsp/virtio/virtio-scmi/virtio-scmi.scc @@ -0,0 +1,5 @@ +# SPDX-License-Identifier: MIT +kconf hardware virtio-scmi.cfg +kconf hardware iio-scmi.cfg +patch 0001-iio-core-Introduce-IIO_VAL_INT_64.patch +patch 0002-iio-scmi-Add-reading-raw-attribute.patch diff --git a/meta-agl-bsp/virtualization-layer/recipes-kernel/linux/linux-yocto/virtio-kmeta/bsp/virtio/virtio.scc b/meta-agl-bsp/virtualization-layer/recipes-kernel/linux/linux-yocto/virtio-kmeta/bsp/virtio/virtio.scc index c48cadbd9..a29955dd8 100644 --- a/meta-agl-bsp/virtualization-layer/recipes-kernel/linux/linux-yocto/virtio-kmeta/bsp/virtio/virtio.scc +++ b/meta-agl-bsp/virtualization-layer/recipes-kernel/linux/linux-yocto/virtio-kmeta/bsp/virtio/virtio.scc @@ -2,3 +2,4 @@ kconf hardware virtio.cfg include virtio-snd/virtio-snd.scc +include virtio-scmi/virtio-scmi.scc |