diff options
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.patch | 733 |
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 - }; - - /** |