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Diffstat (limited to 'meta-egvirt/recipes-kernel/linux/linux-yocto/scmi/0002-firmware-arm_scmi-add-SCMIv3.0-Sensors-descriptors-e.patch')
-rw-r--r--meta-egvirt/recipes-kernel/linux/linux-yocto/scmi/0002-firmware-arm_scmi-add-SCMIv3.0-Sensors-descriptors-e.patch733
1 files changed, 0 insertions, 733 deletions
diff --git a/meta-egvirt/recipes-kernel/linux/linux-yocto/scmi/0002-firmware-arm_scmi-add-SCMIv3.0-Sensors-descriptors-e.patch b/meta-egvirt/recipes-kernel/linux/linux-yocto/scmi/0002-firmware-arm_scmi-add-SCMIv3.0-Sensors-descriptors-e.patch
deleted file mode 100644
index 8a4e3ded..00000000
--- a/meta-egvirt/recipes-kernel/linux/linux-yocto/scmi/0002-firmware-arm_scmi-add-SCMIv3.0-Sensors-descriptors-e.patch
+++ /dev/null
@@ -1,733 +0,0 @@
-From 994102ee967232e7565887d2a5fb83384b550bd8 Mon Sep 17 00:00:00 2001
-From: Cristian Marussi <cristian.marussi@arm.com>
-Date: Thu, 19 Nov 2020 17:49:02 +0000
-Subject: [PATCH] firmware: arm_scmi: add SCMIv3.0 Sensors descriptors
- extensions
-
-Add support for new SCMIv3.0 Sensors extensions related to new sensors'
-features, like multiple axis and update intervals, while keeping
-compatibility with SCMIv2.0 features.
-While at that, refactor and simplify all the internal helpers macros and
-move struct scmi_sensor_info to use only non-fixed-size typing.
-
-Signed-off-by: Cristian Marussi <cristian.marussi@arm.com>
-Signed-off-by: Vasyl Vavrychuk <vasyl.vavrychuk@opensynergy.com>
----
- drivers/firmware/arm_scmi/sensors.c | 390 ++++++++++++++++++++++++++--
- include/linux/scmi_protocol.h | 220 +++++++++++++++-
- 2 files changed, 585 insertions(+), 25 deletions(-)
-
-diff --git a/drivers/firmware/arm_scmi/sensors.c b/drivers/firmware/arm_scmi/sensors.c
-index 6aaff478d032..a85827f60a02 100644
---- a/drivers/firmware/arm_scmi/sensors.c
-+++ b/drivers/firmware/arm_scmi/sensors.c
-@@ -7,16 +7,22 @@
-
- #define pr_fmt(fmt) "SCMI Notifications SENSOR - " fmt
-
-+#include <linux/bitfield.h>
- #include <linux/scmi_protocol.h>
-
- #include "common.h"
- #include "notify.h"
-
-+#define SCMI_MAX_NUM_SENSOR_AXIS 63
-+#define SCMIv2_SENSOR_PROTOCOL 0x10000
-+
- enum scmi_sensor_protocol_cmd {
- SENSOR_DESCRIPTION_GET = 0x3,
- SENSOR_TRIP_POINT_NOTIFY = 0x4,
- SENSOR_TRIP_POINT_CONFIG = 0x5,
- SENSOR_READING_GET = 0x6,
-+ SENSOR_AXIS_DESCRIPTION_GET = 0x7,
-+ SENSOR_LIST_UPDATE_INTERVALS = 0x8,
- };
-
- struct scmi_msg_resp_sensor_attributes {
-@@ -28,23 +34,100 @@ struct scmi_msg_resp_sensor_attributes {
- __le32 reg_size;
- };
-
-+/* v3 attributes_low macros */
-+#define SUPPORTS_UPDATE_NOTIFY(x) FIELD_GET(BIT(30), (x))
-+#define SENSOR_TSTAMP_EXP(x) FIELD_GET(GENMASK(14, 10), (x))
-+#define SUPPORTS_TIMESTAMP(x) FIELD_GET(BIT(9), (x))
-+#define SUPPORTS_EXTEND_ATTRS(x) FIELD_GET(BIT(8), (x))
-+
-+/* v2 attributes_high macros */
-+#define SENSOR_UPDATE_BASE(x) FIELD_GET(GENMASK(31, 27), (x))
-+#define SENSOR_UPDATE_SCALE(x) FIELD_GET(GENMASK(26, 22), (x))
-+
-+/* v3 attributes_high macros */
-+#define SENSOR_AXIS_NUMBER(x) FIELD_GET(GENMASK(21, 16), (x))
-+#define SUPPORTS_AXIS(x) FIELD_GET(BIT(8), (x))
-+
-+/* v3 resolution macros */
-+#define SENSOR_RES(x) FIELD_GET(GENMASK(26, 0), (x))
-+#define SENSOR_RES_EXP(x) FIELD_GET(GENMASK(31, 27), (x))
-+
-+struct scmi_msg_resp_attrs {
-+ __le32 min_range_low;
-+ __le32 min_range_high;
-+ __le32 max_range_low;
-+ __le32 max_range_high;
-+};
-+
- struct scmi_msg_resp_sensor_description {
- __le16 num_returned;
- __le16 num_remaining;
-- struct {
-+ struct scmi_sensor_descriptor {
-+ __le32 id;
-+ __le32 attributes_low;
-+/* Common attributes_low macros */
-+#define SUPPORTS_ASYNC_READ(x) FIELD_GET(BIT(31), (x))
-+#define NUM_TRIP_POINTS(x) FIELD_GET(GENMASK(7, 0), (x))
-+ __le32 attributes_high;
-+/* Common attributes_high macros */
-+#define SENSOR_SCALE(x) FIELD_GET(GENMASK(15, 11), (x))
-+#define SENSOR_SCALE_SIGN BIT(4)
-+#define SENSOR_SCALE_EXTEND GENMASK(31, 5)
-+#define SENSOR_TYPE(x) FIELD_GET(GENMASK(7, 0), (x))
-+ u8 name[SCMI_MAX_STR_SIZE];
-+ /* only for version > 2.0 */
-+ __le32 power;
-+ __le32 resolution;
-+ struct scmi_msg_resp_attrs scalar_attrs;
-+ } desc[];
-+};
-+
-+/* Base scmi_sensor_descriptor size excluding extended attrs after name */
-+#define SCMI_MSG_RESP_SENS_DESCR_BASE_SZ 28
-+
-+/* Sign extend to a full s32 */
-+#define S32_EXT(v) \
-+ ({ \
-+ int __v = (v); \
-+ \
-+ if (__v & SENSOR_SCALE_SIGN) \
-+ __v |= SENSOR_SCALE_EXTEND; \
-+ __v; \
-+ })
-+
-+struct scmi_msg_sensor_axis_description_get {
-+ __le32 id;
-+ __le32 axis_desc_index;
-+};
-+
-+struct scmi_msg_resp_sensor_axis_description {
-+ __le32 num_axis_flags;
-+#define NUM_AXIS_RETURNED(x) FIELD_GET(GENMASK(5, 0), (x))
-+#define NUM_AXIS_REMAINING(x) FIELD_GET(GENMASK(31, 26), (x))
-+ struct scmi_axis_descriptor {
- __le32 id;
- __le32 attributes_low;
--#define SUPPORTS_ASYNC_READ(x) ((x) & BIT(31))
--#define NUM_TRIP_POINTS(x) ((x) & 0xff)
- __le32 attributes_high;
--#define SENSOR_TYPE(x) ((x) & 0xff)
--#define SENSOR_SCALE(x) (((x) >> 11) & 0x1f)
--#define SENSOR_SCALE_SIGN BIT(4)
--#define SENSOR_SCALE_EXTEND GENMASK(7, 5)
--#define SENSOR_UPDATE_SCALE(x) (((x) >> 22) & 0x1f)
--#define SENSOR_UPDATE_BASE(x) (((x) >> 27) & 0x1f)
-- u8 name[SCMI_MAX_STR_SIZE];
-- } desc[0];
-+ u8 name[SCMI_MAX_STR_SIZE];
-+ __le32 resolution;
-+ struct scmi_msg_resp_attrs attrs;
-+ } desc[];
-+};
-+
-+/* Base scmi_axis_descriptor size excluding extended attrs after name */
-+#define SCMI_MSG_RESP_AXIS_DESCR_BASE_SZ 28
-+
-+struct scmi_msg_sensor_list_update_intervals {
-+ __le32 id;
-+ __le32 index;
-+};
-+
-+struct scmi_msg_resp_sensor_list_update_intervals {
-+ __le32 num_intervals_flags;
-+#define NUM_INTERVALS_RETURNED(x) FIELD_GET(GENMASK(11, 0), (x))
-+#define SEGMENTED_INTVL_FORMAT(x) FIELD_GET(BIT(12), (x))
-+#define NUM_INTERVALS_REMAINING(x) FIELD_GET(GENMASK(31, 16), (x))
-+ __le32 intervals[];
- };
-
- struct scmi_msg_sensor_trip_point_notify {
-@@ -114,6 +197,194 @@ static int scmi_sensor_attributes_get(const struct scmi_handle *handle,
- return ret;
- }
-
-+static inline void scmi_parse_range_attrs(struct scmi_range_attrs *out,
-+ struct scmi_msg_resp_attrs *in)
-+{
-+ out->min_range = get_unaligned_le64((void *)&in->min_range_low);
-+ out->max_range = get_unaligned_le64((void *)&in->max_range_low);
-+}
-+
-+static int scmi_sensor_update_intervals(const struct scmi_handle *handle,
-+ struct scmi_sensor_info *s)
-+{
-+ int ret, cnt;
-+ u32 desc_index = 0;
-+ u16 num_returned, num_remaining;
-+ struct scmi_xfer *ti;
-+ struct scmi_msg_resp_sensor_list_update_intervals *buf;
-+ struct scmi_msg_sensor_list_update_intervals *msg;
-+
-+ ret = scmi_xfer_get_init(handle, SENSOR_LIST_UPDATE_INTERVALS,
-+ SCMI_PROTOCOL_SENSOR, sizeof(*msg), 0, &ti);
-+ if (ret)
-+ return ret;
-+
-+ buf = ti->rx.buf;
-+ do {
-+ u32 flags;
-+
-+ msg = ti->tx.buf;
-+ /* Set the number of sensors to be skipped/already read */
-+ msg->id = cpu_to_le32(s->id);
-+ msg->index = cpu_to_le32(desc_index);
-+
-+ ret = scmi_do_xfer(handle, ti);
-+ if (ret)
-+ break;
-+
-+ flags = le32_to_cpu(buf->num_intervals_flags);
-+ num_returned = NUM_INTERVALS_RETURNED(flags);
-+ num_remaining = NUM_INTERVALS_REMAINING(flags);
-+
-+ /*
-+ * Max intervals is not declared previously anywhere so we
-+ * assume it's returned+remaining.
-+ */
-+ if (!s->intervals.count) {
-+ s->intervals.segmented = SEGMENTED_INTVL_FORMAT(flags);
-+ s->intervals.count = num_returned + num_remaining;
-+ /* segmented intervals are reported in one triplet */
-+ if (s->intervals.segmented &&
-+ (num_remaining || num_returned != 3)) {
-+ dev_err(handle->dev,
-+ "Sensor ID:%d advertises an invalid segmented interval (%d)\n",
-+ s->id, s->intervals.count);
-+ s->intervals.segmented = false;
-+ s->intervals.count = 0;
-+ ret = -EINVAL;
-+ break;
-+ }
-+ /* Direct allocation when exceeding pre-allocated */
-+ if (s->intervals.count >= SCMI_MAX_PREALLOC_POOL) {
-+ s->intervals.desc =
-+ devm_kcalloc(handle->dev,
-+ s->intervals.count,
-+ sizeof(*s->intervals.desc),
-+ GFP_KERNEL);
-+ if (!s->intervals.desc) {
-+ s->intervals.segmented = false;
-+ s->intervals.count = 0;
-+ ret = -ENOMEM;
-+ break;
-+ }
-+ }
-+ } else if (desc_index + num_returned > s->intervals.count) {
-+ dev_err(handle->dev,
-+ "No. of update intervals can't exceed %d\n",
-+ s->intervals.count);
-+ ret = -EINVAL;
-+ break;
-+ }
-+
-+ for (cnt = 0; cnt < num_returned; cnt++)
-+ s->intervals.desc[desc_index + cnt] =
-+ le32_to_cpu(buf->intervals[cnt]);
-+
-+ desc_index += num_returned;
-+
-+ scmi_reset_rx_to_maxsz(handle, ti);
-+ /*
-+ * check for both returned and remaining to avoid infinite
-+ * loop due to buggy firmware
-+ */
-+ } while (num_returned && num_remaining);
-+
-+ scmi_xfer_put(handle, ti);
-+ return ret;
-+}
-+
-+static int scmi_sensor_axis_description(const struct scmi_handle *handle,
-+ struct scmi_sensor_info *s)
-+{
-+ int ret, cnt;
-+ u32 desc_index = 0;
-+ u16 num_returned, num_remaining;
-+ struct scmi_xfer *te;
-+ struct scmi_msg_resp_sensor_axis_description *buf;
-+ struct scmi_msg_sensor_axis_description_get *msg;
-+
-+ s->axis = devm_kcalloc(handle->dev, s->num_axis,
-+ sizeof(*s->axis), GFP_KERNEL);
-+ if (!s->axis)
-+ return -ENOMEM;
-+
-+ ret = scmi_xfer_get_init(handle, SENSOR_AXIS_DESCRIPTION_GET,
-+ SCMI_PROTOCOL_SENSOR, sizeof(*msg), 0, &te);
-+ if (ret)
-+ return ret;
-+
-+ buf = te->rx.buf;
-+ do {
-+ u32 flags;
-+ struct scmi_axis_descriptor *adesc;
-+
-+ msg = te->tx.buf;
-+ /* Set the number of sensors to be skipped/already read */
-+ msg->id = cpu_to_le32(s->id);
-+ msg->axis_desc_index = cpu_to_le32(desc_index);
-+
-+ ret = scmi_do_xfer(handle, te);
-+ if (ret)
-+ break;
-+
-+ flags = le32_to_cpu(buf->num_axis_flags);
-+ num_returned = NUM_AXIS_RETURNED(flags);
-+ num_remaining = NUM_AXIS_REMAINING(flags);
-+
-+ if (desc_index + num_returned > s->num_axis) {
-+ dev_err(handle->dev, "No. of axis can't exceed %d\n",
-+ s->num_axis);
-+ break;
-+ }
-+
-+ adesc = &buf->desc[0];
-+ for (cnt = 0; cnt < num_returned; cnt++) {
-+ u32 attrh, attrl;
-+ struct scmi_sensor_axis_info *a;
-+ size_t dsize = SCMI_MSG_RESP_AXIS_DESCR_BASE_SZ;
-+
-+ attrl = le32_to_cpu(adesc->attributes_low);
-+
-+ a = &s->axis[desc_index + cnt];
-+
-+ a->id = le32_to_cpu(adesc->id);
-+ a->extended_attrs = SUPPORTS_EXTEND_ATTRS(attrl);
-+
-+ attrh = le32_to_cpu(adesc->attributes_high);
-+ a->scale = S32_EXT(SENSOR_SCALE(attrh));
-+ a->type = SENSOR_TYPE(attrh);
-+ strlcpy(a->name, adesc->name, SCMI_MAX_STR_SIZE);
-+
-+ if (a->extended_attrs) {
-+ unsigned int ares =
-+ le32_to_cpu(adesc->resolution);
-+
-+ a->resolution = SENSOR_RES(ares);
-+ a->exponent =
-+ S32_EXT(SENSOR_RES_EXP(ares));
-+ dsize += sizeof(adesc->resolution);
-+
-+ scmi_parse_range_attrs(&a->attrs,
-+ &adesc->attrs);
-+ dsize += sizeof(adesc->attrs);
-+ }
-+
-+ adesc = (typeof(adesc))((u8 *)adesc + dsize);
-+ }
-+
-+ desc_index += num_returned;
-+
-+ scmi_reset_rx_to_maxsz(handle, te);
-+ /*
-+ * check for both returned and remaining to avoid infinite
-+ * loop due to buggy firmware
-+ */
-+ } while (num_returned && num_remaining);
-+
-+ scmi_xfer_put(handle, te);
-+ return ret;
-+}
-+
- static int scmi_sensor_description_get(const struct scmi_handle *handle,
- struct sensors_info *si)
- {
-@@ -131,9 +402,10 @@ static int scmi_sensor_description_get(const struct scmi_handle *handle,
- buf = t->rx.buf;
-
- do {
-+ struct scmi_sensor_descriptor *sdesc;
-+
- /* Set the number of sensors to be skipped/already read */
- put_unaligned_le32(desc_index, t->tx.buf);
--
- ret = scmi_do_xfer(handle, t);
- if (ret)
- break;
-@@ -147,22 +419,97 @@ static int scmi_sensor_description_get(const struct scmi_handle *handle,
- break;
- }
-
-+ sdesc = &buf->desc[0];
- for (cnt = 0; cnt < num_returned; cnt++) {
- u32 attrh, attrl;
- struct scmi_sensor_info *s;
-+ size_t dsize = SCMI_MSG_RESP_SENS_DESCR_BASE_SZ;
-
-- attrl = le32_to_cpu(buf->desc[cnt].attributes_low);
-- attrh = le32_to_cpu(buf->desc[cnt].attributes_high);
- s = &si->sensors[desc_index + cnt];
-- s->id = le32_to_cpu(buf->desc[cnt].id);
-- s->type = SENSOR_TYPE(attrh);
-- s->scale = SENSOR_SCALE(attrh);
-- /* Sign extend to a full s8 */
-- if (s->scale & SENSOR_SCALE_SIGN)
-- s->scale |= SENSOR_SCALE_EXTEND;
-+ s->id = le32_to_cpu(sdesc->id);
-+
-+ attrl = le32_to_cpu(sdesc->attributes_low);
-+ /* common bitfields parsing */
- s->async = SUPPORTS_ASYNC_READ(attrl);
- s->num_trip_points = NUM_TRIP_POINTS(attrl);
-- strlcpy(s->name, buf->desc[cnt].name, SCMI_MAX_STR_SIZE);
-+ /**
-+ * only SCMIv3.0 specific bitfield below.
-+ * Such bitfields are assumed to be zeroed on non
-+ * relevant fw versions...assuming fw not buggy !
-+ */
-+ s->update = SUPPORTS_UPDATE_NOTIFY(attrl);
-+ s->timestamped = SUPPORTS_TIMESTAMP(attrl);
-+ if (s->timestamped)
-+ s->tstamp_scale =
-+ S32_EXT(SENSOR_TSTAMP_EXP(attrl));
-+ s->extended_scalar_attrs =
-+ SUPPORTS_EXTEND_ATTRS(attrl);
-+
-+ attrh = le32_to_cpu(sdesc->attributes_high);
-+ /* common bitfields parsing */
-+ s->scale = S32_EXT(SENSOR_SCALE(attrh));
-+ s->type = SENSOR_TYPE(attrh);
-+ /* Use pre-allocated pool wherever possible */
-+ s->intervals.desc = s->intervals.prealloc_pool;
-+ if (si->version == SCMIv2_SENSOR_PROTOCOL) {
-+ s->intervals.segmented = false;
-+ s->intervals.count = 1;
-+ /*
-+ * Convert SCMIv2.0 update interval format to
-+ * SCMIv3.0 to be used as the common exposed
-+ * descriptor, accessible via common macros.
-+ */
-+ s->intervals.desc[0] =
-+ (SENSOR_UPDATE_BASE(attrh) << 5) |
-+ SENSOR_UPDATE_SCALE(attrh);
-+ } else {
-+ /*
-+ * From SCMIv3.0 update intervals are retrieved
-+ * via a dedicated (optional) command.
-+ * Since the command is optional, on error carry
-+ * on without any update interval.
-+ */
-+ if (scmi_sensor_update_intervals(handle, s))
-+ dev_dbg(handle->dev,
-+ "Update Intervals not available for sensor ID:%d\n",
-+ s->id);
-+ }
-+ /**
-+ * only > SCMIv2.0 specific bitfield below.
-+ * Such bitfields are assumed to be zeroed on non
-+ * relevant fw versions...assuming fw not buggy !
-+ */
-+ s->num_axis = min_t(unsigned int,
-+ SUPPORTS_AXIS(attrh) ?
-+ SENSOR_AXIS_NUMBER(attrh) : 0,
-+ SCMI_MAX_NUM_SENSOR_AXIS);
-+ strlcpy(s->name, sdesc->name, SCMI_MAX_STR_SIZE);
-+
-+ if (s->extended_scalar_attrs) {
-+ s->sensor_power = le32_to_cpu(sdesc->power);
-+ dsize += sizeof(sdesc->power);
-+ /* Only for sensors reporting scalar values */
-+ if (s->num_axis == 0) {
-+ unsigned int sres =
-+ le32_to_cpu(sdesc->resolution);
-+
-+ s->resolution = SENSOR_RES(sres);
-+ s->exponent =
-+ S32_EXT(SENSOR_RES_EXP(sres));
-+ dsize += sizeof(sdesc->resolution);
-+
-+ scmi_parse_range_attrs(&s->scalar_attrs,
-+ &sdesc->scalar_attrs);
-+ dsize += sizeof(sdesc->scalar_attrs);
-+ }
-+ }
-+ if (s->num_axis > 0) {
-+ ret = scmi_sensor_axis_description(handle, s);
-+ if (ret)
-+ goto out;
-+ }
-+
-+ sdesc = (typeof(sdesc))((u8 *)sdesc + dsize);
- }
-
- desc_index += num_returned;
-@@ -174,6 +521,7 @@ static int scmi_sensor_description_get(const struct scmi_handle *handle,
- */
- } while (num_returned && num_remaining);
-
-+out:
- scmi_xfer_put(handle, t);
- return ret;
- }
-diff --git a/include/linux/scmi_protocol.h b/include/linux/scmi_protocol.h
-index 9cd312a1ff92..0792b0be25a3 100644
---- a/include/linux/scmi_protocol.h
-+++ b/include/linux/scmi_protocol.h
-@@ -8,6 +8,7 @@
- #ifndef _LINUX_SCMI_PROTOCOL_H
- #define _LINUX_SCMI_PROTOCOL_H
-
-+#include <linux/bitfield.h>
- #include <linux/device.h>
- #include <linux/notifier.h>
- #include <linux/types.h>
-@@ -148,13 +149,135 @@ struct scmi_power_ops {
- u32 *state);
- };
-
-+/**
-+ * scmi_range_attrs - specifies a sensor or axis values' range
-+ * @min_range: The minimum value which can be represented by the sensor/axis.
-+ * @max_range: The maximum value which can be represented by the sensor/axis.
-+ */
-+struct scmi_range_attrs {
-+ long long min_range;
-+ long long max_range;
-+};
-+
-+/**
-+ * scmi_sensor_axis_info - describes one sensor axes
-+ * @id: The axes ID.
-+ * @type: Axes type. Chosen amongst one of @enum scmi_sensor_class.
-+ * @scale: Power-of-10 multiplier applied to the axis unit.
-+ * @name: NULL-terminated string representing axes name as advertised by
-+ * SCMI platform.
-+ * @extended_attrs: Flag to indicate the presence of additional extended
-+ * attributes for this axes.
-+ * @resolution: Extended attribute representing the resolution of the axes.
-+ * Set to 0 if not reported by this axes.
-+ * @exponent: Extended attribute representing the power-of-10 multiplier that
-+ * is applied to the resolution field. Set to 0 if not reported by
-+ * this axes.
-+ * @attrs: Extended attributes representing minimum and maximum values
-+ * measurable by this axes. Set to 0 if not reported by this sensor.
-+ */
-+struct scmi_sensor_axis_info {
-+ unsigned int id;
-+ unsigned int type;
-+ int scale;
-+ char name[SCMI_MAX_STR_SIZE];
-+ bool extended_attrs;
-+ unsigned int resolution;
-+ int exponent;
-+ struct scmi_range_attrs attrs;
-+};
-+
-+/**
-+ * scmi_sensor_intervals_info - describes number and type of available update
-+ * intervals
-+ * @segmented: Flag for segmented intervals' representation. When True there
-+ * will be exactly 3 intervals in @desc, with each entry
-+ * representing a member of a segment in this order:
-+ * {lowest update interval, highest update interval, step size}
-+ * @count: Number of intervals described in @desc.
-+ * @desc: Array of @count interval descriptor bitmask represented as detailed in
-+ * the SCMI specification: it can be accessed using the accompanying
-+ * macros.
-+ * @prealloc_pool: A minimal preallocated pool of desc entries used to avoid
-+ * lesser-than-64-bytes dynamic allocation for small @count
-+ * values.
-+ */
-+struct scmi_sensor_intervals_info {
-+ bool segmented;
-+ unsigned int count;
-+#define SCMI_SENS_INTVL_SEGMENT_LOW 0
-+#define SCMI_SENS_INTVL_SEGMENT_HIGH 1
-+#define SCMI_SENS_INTVL_SEGMENT_STEP 2
-+ unsigned int *desc;
-+#define SCMI_SENS_INTVL_GET_SECS(x) FIELD_GET(GENMASK(20, 5), (x))
-+#define SCMI_SENS_INTVL_GET_EXP(x) \
-+ ({ \
-+ int __signed_exp = FIELD_GET(GENMASK(4, 0), (x)); \
-+ \
-+ if (__signed_exp & BIT(4)) \
-+ __signed_exp |= GENMASK(31, 5); \
-+ __signed_exp; \
-+ })
-+#define SCMI_MAX_PREALLOC_POOL 16
-+ unsigned int prealloc_pool[SCMI_MAX_PREALLOC_POOL];
-+};
-+
-+/**
-+ * struct scmi_sensor_info - represents information related to one of the
-+ * available sensors.
-+ * @id: Sensor ID.
-+ * @type: Sensor type. Chosen amongst one of @enum scmi_sensor_class.
-+ * @scale: Power-of-10 multiplier applied to the sensor unit.
-+ * @num_trip_points: Number of maximum configurable trip points.
-+ * @async: Flag for asynchronous read support.
-+ * @update: Flag for continuouos update notification support.
-+ * @timestamped: Flag for timestamped read support.
-+ * @tstamp_scale: Power-of-10 multiplier applied to the sensor timestamps to
-+ * represent it in seconds.
-+ * @num_axis: Number of supported axis if any. Reported as 0 for scalar sensors.
-+ * @axis: Pointer to an array of @num_axis descriptors.
-+ * @intervals: Descriptor of available update intervals.
-+ * @sensor_config: A bitmask reporting the current sensor configuration as
-+ * detailed in the SCMI specification: it can accessed and
-+ * modified through the accompanying macros.
-+ * @name: NULL-terminated string representing sensor name as advertised by
-+ * SCMI platform.
-+ * @extended_scalar_attrs: Flag to indicate the presence of additional extended
-+ * attributes for this sensor.
-+ * @sensor_power: Extended attribute representing the average power
-+ * consumed by the sensor in microwatts (uW) when it is active.
-+ * Reported here only for scalar sensors.
-+ * Set to 0 if not reported by this sensor.
-+ * @resolution: Extended attribute representing the resolution of the sensor.
-+ * Reported here only for scalar sensors.
-+ * Set to 0 if not reported by this sensor.
-+ * @exponent: Extended attribute representing the power-of-10 multiplier that is
-+ * applied to the resolution field.
-+ * Reported here only for scalar sensors.
-+ * Set to 0 if not reported by this sensor.
-+ * @scalar_attrs: Extended attributes representing minimum and maximum
-+ * measurable values by this sensor.
-+ * Reported here only for scalar sensors.
-+ * Set to 0 if not reported by this sensor.
-+ */
- struct scmi_sensor_info {
-- u32 id;
-- u8 type;
-- s8 scale;
-- u8 num_trip_points;
-+ unsigned int id;
-+ unsigned int type;
-+ int scale;
-+ unsigned int num_trip_points;
- bool async;
-+ bool update;
-+ bool timestamped;
-+ int tstamp_scale;
-+ unsigned int num_axis;
-+ struct scmi_sensor_axis_info *axis;
-+ struct scmi_sensor_intervals_info intervals;
- char name[SCMI_MAX_STR_SIZE];
-+ bool extended_scalar_attrs;
-+ unsigned int sensor_power;
-+ unsigned int resolution;
-+ int exponent;
-+ struct scmi_range_attrs scalar_attrs;
- };
-
- /*
-@@ -163,11 +286,100 @@ struct scmi_sensor_info {
- */
- enum scmi_sensor_class {
- NONE = 0x0,
-+ UNSPEC = 0x1,
- TEMPERATURE_C = 0x2,
-+ TEMPERATURE_F = 0x3,
-+ TEMPERATURE_K = 0x4,
- VOLTAGE = 0x5,
- CURRENT = 0x6,
- POWER = 0x7,
- ENERGY = 0x8,
-+ CHARGE = 0x9,
-+ VOLTAMPERE = 0xA,
-+ NITS = 0xB,
-+ LUMENS = 0xC,
-+ LUX = 0xD,
-+ CANDELAS = 0xE,
-+ KPA = 0xF,
-+ PSI = 0x10,
-+ NEWTON = 0x11,
-+ CFM = 0x12,
-+ RPM = 0x13,
-+ HERTZ = 0x14,
-+ SECS = 0x15,
-+ MINS = 0x16,
-+ HOURS = 0x17,
-+ DAYS = 0x18,
-+ WEEKS = 0x19,
-+ MILS = 0x1A,
-+ INCHES = 0x1B,
-+ FEET = 0x1C,
-+ CUBIC_INCHES = 0x1D,
-+ CUBIC_FEET = 0x1E,
-+ METERS = 0x1F,
-+ CUBIC_CM = 0x20,
-+ CUBIC_METERS = 0x21,
-+ LITERS = 0x22,
-+ FLUID_OUNCES = 0x23,
-+ RADIANS = 0x24,
-+ STERADIANS = 0x25,
-+ REVOLUTIONS = 0x26,
-+ CYCLES = 0x27,
-+ GRAVITIES = 0x28,
-+ OUNCES = 0x29,
-+ POUNDS = 0x2A,
-+ FOOT_POUNDS = 0x2B,
-+ OUNCE_INCHES = 0x2C,
-+ GAUSS = 0x2D,
-+ GILBERTS = 0x2E,
-+ HENRIES = 0x2F,
-+ FARADS = 0x30,
-+ OHMS = 0x31,
-+ SIEMENS = 0x32,
-+ MOLES = 0x33,
-+ BECQUERELS = 0x34,
-+ PPM = 0x35,
-+ DECIBELS = 0x36,
-+ DBA = 0x37,
-+ DBC = 0x38,
-+ GRAYS = 0x39,
-+ SIEVERTS = 0x3A,
-+ COLOR_TEMP_K = 0x3B,
-+ BITS = 0x3C,
-+ BYTES = 0x3D,
-+ WORDS = 0x3E,
-+ DWORDS = 0x3F,
-+ QWORDS = 0x40,
-+ PERCENTAGE = 0x41,
-+ PASCALS = 0x42,
-+ COUNTS = 0x43,
-+ GRAMS = 0x44,
-+ NEWTON_METERS = 0x45,
-+ HITS = 0x46,
-+ MISSES = 0x47,
-+ RETRIES = 0x48,
-+ OVERRUNS = 0x49,
-+ UNDERRUNS = 0x4A,
-+ COLLISIONS = 0x4B,
-+ PACKETS = 0x4C,
-+ MESSAGES = 0x4D,
-+ CHARS = 0x4E,
-+ ERRORS = 0x4F,
-+ CORRECTED_ERRS = 0x50,
-+ UNCORRECTABLE_ERRS = 0x51,
-+ SQ_MILS = 0x52,
-+ SQ_INCHES = 0x53,
-+ SQ_FEET = 0x54,
-+ SQ_CM = 0x55,
-+ SQ_METERS = 0x56,
-+ RADIANS_SEC = 0x57,
-+ BPM = 0x58,
-+ METERS_SEC_SQUARED = 0x59,
-+ METERS_SEC = 0x5A,
-+ CUBIC_METERS_SEC = 0x5B,
-+ MM_MERCURY = 0x5C,
-+ RADIANS_SEC_SQUARED = 0x5D,
-+ OEM_UNIT = 0xFF
- };
-
- /**