From d2ccde1c8e90d38cee87a1b0309ad2827f3fd30d Mon Sep 17 00:00:00 2001
From: hc <hc@nodka.com>
Date: Mon, 11 Dec 2023 02:45:28 +0000
Subject: [PATCH] add boot partition size
---
kernel/include/linux/iio/common/st_sensors.h | 87 +++++++++++++------------------------------
1 files changed, 26 insertions(+), 61 deletions(-)
diff --git a/kernel/include/linux/iio/common/st_sensors.h b/kernel/include/linux/iio/common/st_sensors.h
index f9bd6e8..c16a9dd 100644
--- a/kernel/include/linux/iio/common/st_sensors.h
+++ b/kernel/include/linux/iio/common/st_sensors.h
@@ -1,11 +1,10 @@
+/* SPDX-License-Identifier: GPL-2.0-only */
/*
* STMicroelectronics sensors library driver
*
* Copyright 2012-2013 STMicroelectronics Inc.
*
* Denis Ciocca <denis.ciocca@st.com>
- *
- * Licensed under the GPL-2.
*/
#ifndef ST_SENSORS_H
@@ -17,11 +16,16 @@
#include <linux/iio/trigger.h>
#include <linux/bitops.h>
#include <linux/regulator/consumer.h>
+#include <linux/regmap.h>
#include <linux/platform_data/st_sensors_pdata.h>
-#define ST_SENSORS_TX_MAX_LENGTH 2
-#define ST_SENSORS_RX_MAX_LENGTH 6
+/*
+ * Buffer size max case: 2bytes per channel, 3 channels in total +
+ * 8bytes timestamp channel (s64)
+ */
+#define ST_SENSORS_MAX_BUFFER_SIZE (ALIGN(2 * 3, sizeof(s64)) + \
+ sizeof(s64))
#define ST_SENSORS_ODR_LIST_MAX 10
#define ST_SENSORS_FULLSCALE_AVL_MAX 10
@@ -40,7 +44,7 @@
#define ST_SENSORS_DEFAULT_STAT_ADDR 0x27
#define ST_SENSORS_MAX_NAME 17
-#define ST_SENSORS_MAX_4WAI 7
+#define ST_SENSORS_MAX_4WAI 8
#define ST_SENSORS_LSM_CHANNELS(device_type, mask, index, mod, \
ch2, s, endian, rbits, sbits, addr) \
@@ -171,36 +175,6 @@
};
/**
- * struct st_sensor_transfer_buffer - ST sensor device I/O buffer
- * @buf_lock: Mutex to protect rx and tx buffers.
- * @tx_buf: Buffer used by SPI transfer function to send data to the sensors.
- * This buffer is used to avoid DMA not-aligned issue.
- * @rx_buf: Buffer used by SPI transfer to receive data from sensors.
- * This buffer is used to avoid DMA not-aligned issue.
- */
-struct st_sensor_transfer_buffer {
- struct mutex buf_lock;
- u8 rx_buf[ST_SENSORS_RX_MAX_LENGTH];
- u8 tx_buf[ST_SENSORS_TX_MAX_LENGTH] ____cacheline_aligned;
-};
-
-/**
- * struct st_sensor_transfer_function - ST sensor device I/O function
- * @read_byte: Function used to read one byte.
- * @write_byte: Function used to write one byte.
- * @read_multiple_byte: Function used to read multiple byte.
- */
-struct st_sensor_transfer_function {
- int (*read_byte) (struct st_sensor_transfer_buffer *tb,
- struct device *dev, u8 reg_addr, u8 *res_byte);
- int (*write_byte) (struct st_sensor_transfer_buffer *tb,
- struct device *dev, u8 reg_addr, u8 data);
- int (*read_multiple_byte) (struct st_sensor_transfer_buffer *tb,
- struct device *dev, u8 reg_addr, int len, u8 *data,
- bool multiread_bit);
-};
-
-/**
* struct st_sensor_settings - ST specific sensor settings
* @wai: Contents of WhoAmI register.
* @wai_addr: The address of WhoAmI register.
@@ -243,47 +217,45 @@
* @current_fullscale: Maximum range of measure by the sensor.
* @vdd: Pointer to sensor's Vdd power supply
* @vdd_io: Pointer to sensor's Vdd-IO power supply
+ * @regmap: Pointer to specific sensor regmap configuration.
* @enabled: Status of the sensor (false->off, true->on).
- * @multiread_bit: Use or not particular bit for [I2C/SPI] multiread.
- * @buffer_data: Data used by buffer part.
* @odr: Output data rate of the sensor [Hz].
* num_data_channels: Number of data channels used in buffer.
* @drdy_int_pin: Redirect DRDY on pin 1 (1) or pin 2 (2).
* @int_pin_open_drain: Set the interrupt/DRDY to open drain.
- * @get_irq_data_ready: Function to get the IRQ used for data ready signal.
- * @tf: Transfer function structure used by I/O operations.
- * @tb: Transfer buffers and mutex used by I/O operations.
+ * @irq: the IRQ number.
* @edge_irq: the IRQ triggers on edges and need special handling.
* @hw_irq_trigger: if we're using the hardware interrupt on the sensor.
* @hw_timestamp: Latest timestamp from the interrupt handler, when in use.
+ * @buffer_data: Data used by buffer part.
+ * @odr_lock: Local lock for preventing concurrent ODR accesses/changes
*/
struct st_sensor_data {
struct device *dev;
struct iio_trigger *trig;
+ struct iio_mount_matrix *mount_matrix;
struct st_sensor_settings *sensor_settings;
struct st_sensor_fullscale_avl *current_fullscale;
struct regulator *vdd;
struct regulator *vdd_io;
+ struct regmap *regmap;
bool enabled;
- bool multiread_bit;
-
- char *buffer_data;
unsigned int odr;
unsigned int num_data_channels;
u8 drdy_int_pin;
bool int_pin_open_drain;
-
- unsigned int (*get_irq_data_ready) (struct iio_dev *indio_dev);
-
- const struct st_sensor_transfer_function *tf;
- struct st_sensor_transfer_buffer tb;
+ int irq;
bool edge_irq;
bool hw_irq_trigger;
s64 hw_timestamp;
+
+ char buffer_data[ST_SENSORS_MAX_BUFFER_SIZE] ____cacheline_aligned;
+
+ struct mutex odr_lock;
};
#ifdef CONFIG_IIO_BUFFER
@@ -334,8 +306,11 @@
int st_sensors_read_info_raw(struct iio_dev *indio_dev,
struct iio_chan_spec const *ch, int *val);
-int st_sensors_check_device_support(struct iio_dev *indio_dev,
- int num_sensors_list, const struct st_sensor_settings *sensor_settings);
+int st_sensors_get_settings_index(const char *name,
+ const struct st_sensor_settings *list,
+ const int list_length);
+
+int st_sensors_verify_id(struct iio_dev *indio_dev);
ssize_t st_sensors_sysfs_sampling_frequency_avail(struct device *dev,
struct device_attribute *attr, char *buf);
@@ -343,16 +318,6 @@
ssize_t st_sensors_sysfs_scale_avail(struct device *dev,
struct device_attribute *attr, char *buf);
-#ifdef CONFIG_OF
-void st_sensors_of_name_probe(struct device *dev,
- const struct of_device_id *match,
- char *name, int len);
-#else
-static inline void st_sensors_of_name_probe(struct device *dev,
- const struct of_device_id *match,
- char *name, int len)
-{
-}
-#endif
+void st_sensors_dev_name_probe(struct device *dev, char *name, int len);
#endif /* ST_SENSORS_H */
--
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