diff options
Diffstat (limited to 'target/linux/mvebu/patches-5.10/902-drivers-mfd-Add-a-driver-for-IEI-WT61P803-PUZZLE-MCU.patch')
| -rw-r--r-- | target/linux/mvebu/patches-5.10/902-drivers-mfd-Add-a-driver-for-IEI-WT61P803-PUZZLE-MCU.patch | 1034 |
1 files changed, 0 insertions, 1034 deletions
diff --git a/target/linux/mvebu/patches-5.10/902-drivers-mfd-Add-a-driver-for-IEI-WT61P803-PUZZLE-MCU.patch b/target/linux/mvebu/patches-5.10/902-drivers-mfd-Add-a-driver-for-IEI-WT61P803-PUZZLE-MCU.patch deleted file mode 100644 index 01c2ecce0d..0000000000 --- a/target/linux/mvebu/patches-5.10/902-drivers-mfd-Add-a-driver-for-IEI-WT61P803-PUZZLE-MCU.patch +++ /dev/null @@ -1,1034 +0,0 @@ -From 692cfa85272dd12995b427c0a7a585ced5d54f32 Mon Sep 17 00:00:00 2001 -From: Luka Kovacic <luka.kovacic () sartura ! hr> -Date: Tue, 24 Aug 2021 12:44:33 +0000 -Subject: [PATCH 2/7] drivers: mfd: Add a driver for IEI WT61P803 PUZZLE MCU - -Add a driver for the IEI WT61P803 PUZZLE microcontroller, used in some -IEI Puzzle series devices. The microcontroller controls system power, -temperature sensors, fans and LEDs. - -This driver implements the core functionality for device communication -over the system serial (serdev bus). It handles MCU messages and the -internal MCU properties. Some properties can be managed over sysfs. - -Signed-off-by: Luka Kovacic <luka.kovacic@sartura.hr> -Signed-off-by: Pavo Banicevic <pavo.banicevic@sartura.hr> -Cc: Luka Perkov <luka.perkov@sartura.hr> -Cc: Robert Marko <robert.marko@sartura.hr> ---- - drivers/mfd/Kconfig | 8 + - drivers/mfd/Makefile | 1 + - drivers/mfd/iei-wt61p803-puzzle.c | 908 ++++++++++++++++++++++++ - include/linux/mfd/iei-wt61p803-puzzle.h | 66 ++ - 4 files changed, 983 insertions(+) - create mode 100644 drivers/mfd/iei-wt61p803-puzzle.c - create mode 100644 include/linux/mfd/iei-wt61p803-puzzle.h - ---- a/drivers/mfd/Kconfig -+++ b/drivers/mfd/Kconfig -@@ -2155,6 +2155,15 @@ config SGI_MFD_IOC3 - If you have an SGI Origin, Octane, or a PCI IOC3 card, - then say Y. Otherwise say N. - -+config MFD_IEI_WT61P803_PUZZLE -+ tristate "IEI WT61P803 PUZZLE MCU driver" -+ depends on SERIAL_DEV_BUS -+ select MFD_CORE -+ help -+ IEI WT61P803 PUZZLE is a system power management microcontroller -+ used for fan control, temperature sensor reading, LED control -+ and system identification. -+ - config MFD_INTEL_M10_BMC - tristate "Intel MAX 10 Board Management Controller" - depends on SPI_MASTER ---- a/drivers/mfd/Makefile -+++ b/drivers/mfd/Makefile -@@ -237,6 +237,7 @@ obj-$(CONFIG_MFD_HI655X_PMIC) += hi655 - obj-$(CONFIG_MFD_DLN2) += dln2.o - obj-$(CONFIG_MFD_RT5033) += rt5033.o - obj-$(CONFIG_MFD_SKY81452) += sky81452.o -+obj-$(CONFIG_MFD_IEI_WT61P803_PUZZLE) += iei-wt61p803-puzzle.o - - intel-soc-pmic-objs := intel_soc_pmic_core.o intel_soc_pmic_crc.o - obj-$(CONFIG_INTEL_SOC_PMIC) += intel-soc-pmic.o ---- /dev/null -+++ b/drivers/mfd/iei-wt61p803-puzzle.c -@@ -0,0 +1,908 @@ -+// SPDX-License-Identifier: GPL-2.0-only -+/* IEI WT61P803 PUZZLE MCU Driver -+ * System management microcontroller for fan control, temperature sensor reading, -+ * LED control and system identification on IEI Puzzle series ARM-based appliances. -+ * -+ * Copyright (C) 2020 Sartura Ltd. -+ * Author: Luka Kovacic <luka.kovacic@sartura.hr> -+ */ -+ -+#include <linux/atomic.h> -+#include <linux/delay.h> -+#include <linux/export.h> -+#include <linux/init.h> -+#include <linux/kernel.h> -+#include <linux/mfd/core.h> -+#include <linux/mfd/iei-wt61p803-puzzle.h> -+#include <linux/mod_devicetable.h> -+#include <linux/module.h> -+#include <linux/of_platform.h> -+#include <linux/property.h> -+#include <linux/sched.h> -+#include <linux/serdev.h> -+#include <linux/slab.h> -+#include <linux/sysfs.h> -+#include <asm/unaligned.h> -+ -+/* start, payload and XOR checksum at end */ -+#define IEI_WT61P803_PUZZLE_MAX_COMMAND_LENGTH (1 + 20 + 1) -+#define IEI_WT61P803_PUZZLE_RESP_BUF_SIZE 512 -+ -+#define IEI_WT61P803_PUZZLE_MAC_LENGTH 17 -+#define IEI_WT61P803_PUZZLE_SN_LENGTH 36 -+#define IEI_WT61P803_PUZZLE_VERSION_LENGTH 6 -+#define IEI_WT61P803_PUZZLE_BUILD_INFO_LENGTH 16 -+#define IEI_WT61P803_PUZZLE_PROTOCOL_VERSION_LENGTH 8 -+#define IEI_WT61P803_PUZZLE_NB_MAC 8 -+ -+/* Use HZ as a timeout value throughout the driver */ -+#define IEI_WT61P803_PUZZLE_GENERAL_TIMEOUT HZ -+ -+enum iei_wt61p803_puzzle_attribute_type { -+ IEI_WT61P803_PUZZLE_VERSION, -+ IEI_WT61P803_PUZZLE_BUILD_INFO, -+ IEI_WT61P803_PUZZLE_BOOTLOADER_MODE, -+ IEI_WT61P803_PUZZLE_PROTOCOL_VERSION, -+ IEI_WT61P803_PUZZLE_SERIAL_NUMBER, -+ IEI_WT61P803_PUZZLE_MAC_ADDRESS, -+ IEI_WT61P803_PUZZLE_AC_RECOVERY_STATUS, -+ IEI_WT61P803_PUZZLE_POWER_LOSS_RECOVERY, -+ IEI_WT61P803_PUZZLE_POWER_STATUS, -+}; -+ -+struct iei_wt61p803_puzzle_device_attribute { -+ struct device_attribute dev_attr; -+ enum iei_wt61p803_puzzle_attribute_type type; -+ u8 index; -+}; -+ -+/** -+ * struct iei_wt61p803_puzzle_mcu_status - MCU flags state -+ * @ac_recovery_status_flag: AC Recovery Status Flag -+ * @power_loss_recovery: System recovery after power loss -+ * @power_status: System Power-on Method -+ */ -+struct iei_wt61p803_puzzle_mcu_status { -+ u8 ac_recovery_status_flag; -+ u8 power_loss_recovery; -+ u8 power_status; -+}; -+ -+/** -+ * struct iei_wt61p803_puzzle_reply - MCU reply -+ * @size: Size of the MCU reply -+ * @data: Full MCU reply buffer -+ * @state: Current state of the packet -+ * @received: Was the response fullfilled -+ */ -+struct iei_wt61p803_puzzle_reply { -+ size_t size; -+ unsigned char data[IEI_WT61P803_PUZZLE_RESP_BUF_SIZE]; -+ struct completion received; -+}; -+ -+/** -+ * struct iei_wt61p803_puzzle_mcu_version - MCU version status -+ * @version: Primary firmware version -+ * @build_info: Build date and time -+ * @bootloader_mode: Status of the MCU operation -+ * @protocol_version: MCU communication protocol version -+ * @serial_number: Device factory serial number -+ * @mac_address: Device factory MAC addresses -+ * -+ * Last element of arrays is reserved for '\0'. -+ */ -+struct iei_wt61p803_puzzle_mcu_version { -+ char version[IEI_WT61P803_PUZZLE_VERSION_LENGTH + 1]; -+ char build_info[IEI_WT61P803_PUZZLE_BUILD_INFO_LENGTH + 1]; -+ bool bootloader_mode; -+ char protocol_version[IEI_WT61P803_PUZZLE_PROTOCOL_VERSION_LENGTH + 1]; -+ char serial_number[IEI_WT61P803_PUZZLE_SN_LENGTH + 1]; -+ char mac_address[IEI_WT61P803_PUZZLE_NB_MAC][IEI_WT61P803_PUZZLE_MAC_LENGTH + 1]; -+}; -+ -+/** -+ * struct iei_wt61p803_puzzle - IEI WT61P803 PUZZLE MCU Driver -+ * @serdev: Pointer to underlying serdev device -+ * @dev: Pointer to underlying dev device -+ * @reply_lock: Reply mutex lock -+ * @reply: Pointer to the iei_wt61p803_puzzle_reply struct -+ * @version: MCU version related data -+ * @status: MCU status related data -+ * @response_buffer Command response buffer allocation -+ * @lock General member mutex lock -+ */ -+struct iei_wt61p803_puzzle { -+ struct serdev_device *serdev; -+ struct device *dev; -+ struct mutex reply_lock; /* lock to prevent multiple firmware calls */ -+ struct iei_wt61p803_puzzle_reply *reply; -+ struct iei_wt61p803_puzzle_mcu_version version; -+ struct iei_wt61p803_puzzle_mcu_status status; -+ unsigned char response_buffer[IEI_WT61P803_PUZZLE_BUF_SIZE]; -+ struct mutex lock; /* lock to protect response buffer */ -+}; -+ -+static unsigned char iei_wt61p803_puzzle_checksum(unsigned char *buf, size_t len) -+{ -+ unsigned char checksum = 0; -+ size_t i; -+ -+ for (i = 0; i < len; i++) -+ checksum ^= buf[i]; -+ return checksum; -+} -+ -+static int iei_wt61p803_puzzle_process_resp(struct iei_wt61p803_puzzle *mcu, -+ const unsigned char *raw_resp_data, size_t size) -+{ -+ unsigned char checksum; -+ -+ /* Check the incoming frame header */ -+ if (!(raw_resp_data[0] == IEI_WT61P803_PUZZLE_CMD_HEADER_START || -+ raw_resp_data[0] == IEI_WT61P803_PUZZLE_CMD_HEADER_START_OTHER || -+ (raw_resp_data[0] == IEI_WT61P803_PUZZLE_CMD_HEADER_EEPROM && -+ raw_resp_data[1] == IEI_WT61P803_PUZZLE_CMD_EEPROM_READ))) { -+ if (mcu->reply->size + size >= sizeof(mcu->reply->data)) -+ return -EIO; -+ -+ /* Append the frame to existing data */ -+ memcpy(mcu->reply->data + mcu->reply->size, raw_resp_data, size); -+ mcu->reply->size += size; -+ } else { -+ if (size >= sizeof(mcu->reply->data)) -+ return -EIO; -+ -+ /* Start processing a new frame */ -+ memcpy(mcu->reply->data, raw_resp_data, size); -+ mcu->reply->size = size; -+ } -+ -+ checksum = iei_wt61p803_puzzle_checksum(mcu->reply->data, mcu->reply->size - 1); -+ if (checksum != mcu->reply->data[mcu->reply->size - 1]) { -+ /* The checksum isn't matched yet, wait for new frames */ -+ return size; -+ } -+ -+ /* Received all the data */ -+ complete(&mcu->reply->received); -+ -+ return size; -+} -+ -+static int iei_wt61p803_puzzle_recv_buf(struct serdev_device *serdev, -+ const unsigned char *data, size_t size) -+{ -+ struct iei_wt61p803_puzzle *mcu = serdev_device_get_drvdata(serdev); -+ int ret; -+ -+ ret = iei_wt61p803_puzzle_process_resp(mcu, data, size); -+ /* Return the number of processed bytes if function returns error, -+ * discard the remaining incoming data, since the frame this data -+ * belongs to is broken anyway -+ */ -+ if (ret < 0) -+ return size; -+ -+ return ret; -+} -+ -+static const struct serdev_device_ops iei_wt61p803_puzzle_serdev_device_ops = { -+ .receive_buf = iei_wt61p803_puzzle_recv_buf, -+ .write_wakeup = serdev_device_write_wakeup, -+}; -+ -+/** -+ * iei_wt61p803_puzzle_write_command_watchdog() - Watchdog of the normal cmd -+ * @mcu: Pointer to the iei_wt61p803_puzzle core MFD struct -+ * @cmd: Pointer to the char array to send (size should be content + 1 (xor)) -+ * @size: Size of the cmd char array -+ * @reply_data: Pointer to the reply/response data array (should be allocated) -+ * @reply_size: Pointer to size_t (size of reply_data) -+ * @retry_count: Number of times to retry sending the command to the MCU -+ */ -+int iei_wt61p803_puzzle_write_command_watchdog(struct iei_wt61p803_puzzle *mcu, -+ unsigned char *cmd, size_t size, -+ unsigned char *reply_data, -+ size_t *reply_size, int retry_count) -+{ -+ struct device *dev = &mcu->serdev->dev; -+ int ret, i; -+ -+ for (i = 0; i < retry_count; i++) { -+ ret = iei_wt61p803_puzzle_write_command(mcu, cmd, size, -+ reply_data, reply_size); -+ if (ret != -ETIMEDOUT) -+ return ret; -+ } -+ -+ dev_err(dev, "Command response timed out. Retries: %d\n", retry_count); -+ -+ return -ETIMEDOUT; -+} -+EXPORT_SYMBOL_GPL(iei_wt61p803_puzzle_write_command_watchdog); -+ -+/** -+ * iei_wt61p803_puzzle_write_command() - Send a structured command to the MCU -+ * @mcu: Pointer to the iei_wt61p803_puzzle core MFD struct -+ * @cmd: Pointer to the char array to send (size should be content + 1 (xor)) -+ * @size: Size of the cmd char array -+ * @reply_data: Pointer to the reply/response data array (should be allocated) -+ * -+ * Sends a structured command to the MCU. -+ */ -+int iei_wt61p803_puzzle_write_command(struct iei_wt61p803_puzzle *mcu, -+ unsigned char *cmd, size_t size, -+ unsigned char *reply_data, -+ size_t *reply_size) -+{ -+ struct device *dev = &mcu->serdev->dev; -+ int ret; -+ -+ if (size <= 1 || size > IEI_WT61P803_PUZZLE_MAX_COMMAND_LENGTH) -+ return -EINVAL; -+ -+ mutex_lock(&mcu->reply_lock); -+ -+ cmd[size - 1] = iei_wt61p803_puzzle_checksum(cmd, size - 1); -+ -+ /* Initialize reply struct */ -+ reinit_completion(&mcu->reply->received); -+ mcu->reply->size = 0; -+ usleep_range(2000, 10000); -+ serdev_device_write_flush(mcu->serdev); -+ ret = serdev_device_write_buf(mcu->serdev, cmd, size); -+ if (ret < 0) -+ goto exit; -+ -+ serdev_device_wait_until_sent(mcu->serdev, IEI_WT61P803_PUZZLE_GENERAL_TIMEOUT); -+ ret = wait_for_completion_timeout(&mcu->reply->received, -+ IEI_WT61P803_PUZZLE_GENERAL_TIMEOUT); -+ if (ret == 0) { -+ dev_err(dev, "Command reply receive timeout\n"); -+ ret = -ETIMEDOUT; -+ goto exit; -+ } -+ -+ *reply_size = mcu->reply->size; -+ /* Copy the received data, as it will not be available after a new frame is received */ -+ memcpy(reply_data, mcu->reply->data, mcu->reply->size); -+ ret = 0; -+exit: -+ mutex_unlock(&mcu->reply_lock); -+ return ret; -+} -+EXPORT_SYMBOL_GPL(iei_wt61p803_puzzle_write_command); -+ -+static int iei_wt61p803_puzzle_buzzer(struct iei_wt61p803_puzzle *mcu, bool long_beep) -+{ -+ unsigned char *resp_buf = mcu->response_buffer; -+ unsigned char buzzer_cmd[4] = {}; -+ size_t reply_size; -+ int ret; -+ -+ buzzer_cmd[0] = IEI_WT61P803_PUZZLE_CMD_HEADER_START; -+ buzzer_cmd[1] = IEI_WT61P803_PUZZLE_CMD_FUNCTION_SINGLE; -+ buzzer_cmd[2] = long_beep ? '3' : '2'; /* Buzzer 1.5 / 0.5 second beep */ -+ -+ mutex_lock(&mcu->lock); -+ ret = iei_wt61p803_puzzle_write_command(mcu, buzzer_cmd, sizeof(buzzer_cmd), -+ resp_buf, &reply_size); -+ if (ret) -+ goto exit; -+ -+ if (reply_size != 3) { -+ ret = -EIO; -+ goto exit; -+ } -+ -+ if (!(resp_buf[0] == IEI_WT61P803_PUZZLE_CMD_HEADER_START && -+ resp_buf[1] == IEI_WT61P803_PUZZLE_CMD_RESPONSE_OK && -+ resp_buf[2] == IEI_WT61P803_PUZZLE_CHECKSUM_RESPONSE_OK)) { -+ ret = -EPROTO; -+ goto exit; -+ } -+exit: -+ mutex_unlock(&mcu->lock); -+ return ret; -+} -+ -+static int iei_wt61p803_puzzle_get_version(struct iei_wt61p803_puzzle *mcu) -+{ -+ unsigned char version_cmd[3] = { -+ IEI_WT61P803_PUZZLE_CMD_HEADER_START_OTHER, -+ IEI_WT61P803_PUZZLE_CMD_OTHER_VERSION, -+ }; -+ unsigned char build_info_cmd[3] = { -+ IEI_WT61P803_PUZZLE_CMD_HEADER_START_OTHER, -+ IEI_WT61P803_PUZZLE_CMD_OTHER_BUILD, -+ }; -+ unsigned char bootloader_mode_cmd[3] = { -+ IEI_WT61P803_PUZZLE_CMD_HEADER_START_OTHER, -+ IEI_WT61P803_PUZZLE_CMD_OTHER_BOOTLOADER_MODE, -+ }; -+ unsigned char protocol_version_cmd[3] = { -+ IEI_WT61P803_PUZZLE_CMD_HEADER_START_OTHER, -+ IEI_WT61P803_PUZZLE_CMD_OTHER_PROTOCOL_VERSION, -+ }; -+ unsigned char *rb = mcu->response_buffer; -+ size_t reply_size; -+ int ret; -+ -+ mutex_lock(&mcu->lock); -+ -+ ret = iei_wt61p803_puzzle_write_command(mcu, version_cmd, sizeof(version_cmd), -+ rb, &reply_size); -+ if (ret) -+ goto err; -+ if (reply_size < 7) { -+ ret = -EIO; -+ goto err; -+ } -+ sprintf(mcu->version.version, "v%c.%.3s", rb[2], &rb[3]); -+ -+ ret = iei_wt61p803_puzzle_write_command(mcu, build_info_cmd, -+ sizeof(build_info_cmd), rb, -+ &reply_size); -+ if (ret) -+ goto err; -+ if (reply_size < 15) { -+ ret = -EIO; -+ goto err; -+ } -+ sprintf(mcu->version.build_info, "%c%c/%c%c/%.4s %c%c:%c%c", -+ rb[8], rb[9], rb[6], rb[7], &rb[2], rb[10], rb[11], -+ rb[12], rb[13]); -+ -+ ret = iei_wt61p803_puzzle_write_command(mcu, bootloader_mode_cmd, -+ sizeof(bootloader_mode_cmd), rb, -+ &reply_size); -+ if (ret) -+ goto err; -+ if (reply_size < 4) { -+ ret = -EIO; -+ goto err; -+ } -+ if (rb[2] == IEI_WT61P803_PUZZLE_CMD_OTHER_MODE_APPS) -+ mcu->version.bootloader_mode = false; -+ else if (rb[2] == IEI_WT61P803_PUZZLE_CMD_OTHER_MODE_BOOTLOADER) -+ mcu->version.bootloader_mode = true; -+ -+ ret = iei_wt61p803_puzzle_write_command(mcu, protocol_version_cmd, -+ sizeof(protocol_version_cmd), rb, -+ &reply_size); -+ if (ret) -+ goto err; -+ if (reply_size < 9) { -+ ret = -EIO; -+ goto err; -+ } -+ sprintf(mcu->version.protocol_version, "v%c.%c%c%c%c%c", -+ rb[7], rb[6], rb[5], rb[4], rb[3], rb[2]); -+err: -+ mutex_unlock(&mcu->lock); -+ return ret; -+} -+ -+static int iei_wt61p803_puzzle_get_mcu_status(struct iei_wt61p803_puzzle *mcu) -+{ -+ unsigned char mcu_status_cmd[5] = { -+ IEI_WT61P803_PUZZLE_CMD_HEADER_START, -+ IEI_WT61P803_PUZZLE_CMD_FUNCTION_OTHER, -+ IEI_WT61P803_PUZZLE_CMD_FUNCTION_OTHER_STATUS, -+ IEI_WT61P803_PUZZLE_CMD_FUNCTION_OTHER_STATUS, -+ }; -+ unsigned char *resp_buf = mcu->response_buffer; -+ size_t reply_size; -+ int ret; -+ -+ mutex_lock(&mcu->lock); -+ ret = iei_wt61p803_puzzle_write_command(mcu, mcu_status_cmd, sizeof(mcu_status_cmd), -+ resp_buf, &reply_size); -+ if (ret) -+ goto exit; -+ if (reply_size < 20) { -+ ret = -EIO; -+ goto exit; -+ } -+ -+ /* Response format: -+ * (IDX RESPONSE) -+ * 0 @ -+ * 1 O -+ * 2 S -+ * 3 S -+ * ... -+ * 5 AC Recovery Status Flag -+ * ... -+ * 10 Power Loss Recovery -+ * ... -+ * 19 Power Status (system power on method) -+ * 20 XOR checksum -+ */ -+ if (resp_buf[0] == IEI_WT61P803_PUZZLE_CMD_HEADER_START && -+ resp_buf[1] == IEI_WT61P803_PUZZLE_CMD_FUNCTION_OTHER && -+ resp_buf[2] == IEI_WT61P803_PUZZLE_CMD_FUNCTION_OTHER_STATUS && -+ resp_buf[3] == IEI_WT61P803_PUZZLE_CMD_FUNCTION_OTHER_STATUS) { -+ mcu->status.ac_recovery_status_flag = resp_buf[5]; -+ mcu->status.power_loss_recovery = resp_buf[10]; -+ mcu->status.power_status = resp_buf[19]; -+ } -+exit: -+ mutex_unlock(&mcu->lock); -+ return ret; -+} -+ -+static int iei_wt61p803_puzzle_get_serial_number(struct iei_wt61p803_puzzle *mcu) -+{ -+ unsigned char *resp_buf = mcu->response_buffer; -+ unsigned char serial_number_cmd[5] = { -+ IEI_WT61P803_PUZZLE_CMD_HEADER_EEPROM, -+ IEI_WT61P803_PUZZLE_CMD_EEPROM_READ, -+ 0x00, /* EEPROM read address */ -+ 0x24, /* Data length */ -+ }; -+ size_t reply_size; -+ int ret; -+ -+ mutex_lock(&mcu->lock); -+ ret = iei_wt61p803_puzzle_write_command(mcu, serial_number_cmd, -+ sizeof(serial_number_cmd), -+ resp_buf, &reply_size); -+ if (ret) -+ goto err; -+ -+ if (reply_size < IEI_WT61P803_PUZZLE_SN_LENGTH + 4) { -+ ret = -EIO; -+ goto err; -+ } -+ -+ sprintf(mcu->version.serial_number, "%.*s", -+ IEI_WT61P803_PUZZLE_SN_LENGTH, resp_buf + 4); -+err: -+ mutex_unlock(&mcu->lock); -+ return ret; -+} -+ -+static int iei_wt61p803_puzzle_write_serial_number(struct iei_wt61p803_puzzle *mcu, -+ unsigned char serial_number[36]) -+{ -+ unsigned char *resp_buf = mcu->response_buffer; -+ unsigned char serial_number_header[4] = { -+ IEI_WT61P803_PUZZLE_CMD_HEADER_EEPROM, -+ IEI_WT61P803_PUZZLE_CMD_EEPROM_WRITE, -+ 0x00, /* EEPROM write address */ -+ 0xC, /* Data length */ -+ }; -+ unsigned char serial_number_cmd[4 + 12 + 1]; /* header, serial number, XOR checksum */ -+ int ret, sn_counter; -+ size_t reply_size; -+ -+ /* The MCU can only handle 22 byte messages, send the S/N in 12 byte chunks */ -+ mutex_lock(&mcu->lock); -+ for (sn_counter = 0; sn_counter < 3; sn_counter++) { -+ serial_number_header[2] = 0x0 + 0xC * sn_counter; -+ -+ memcpy(serial_number_cmd, serial_number_header, sizeof(serial_number_header)); -+ memcpy(serial_number_cmd + sizeof(serial_number_header), -+ serial_number + 0xC * sn_counter, 0xC); -+ -+ ret = iei_wt61p803_puzzle_write_command(mcu, serial_number_cmd, -+ sizeof(serial_number_cmd), -+ resp_buf, &reply_size); -+ if (ret) -+ goto err; -+ if (reply_size != 3) { -+ ret = -EIO; -+ goto err; -+ } -+ if (!(resp_buf[0] == IEI_WT61P803_PUZZLE_CMD_HEADER_START && -+ resp_buf[1] == IEI_WT61P803_PUZZLE_CMD_RESPONSE_OK && -+ resp_buf[2] == IEI_WT61P803_PUZZLE_CHECKSUM_RESPONSE_OK)) { -+ ret = -EPROTO; -+ goto err; -+ } -+ } -+ -+ sprintf(mcu->version.serial_number, "%.*s", -+ IEI_WT61P803_PUZZLE_SN_LENGTH, serial_number); -+err: -+ mutex_unlock(&mcu->lock); -+ return ret; -+} -+ -+static int iei_wt61p803_puzzle_get_mac_address(struct iei_wt61p803_puzzle *mcu, int index) -+{ -+ unsigned char *resp_buf = mcu->response_buffer; -+ unsigned char mac_address_cmd[5] = { -+ IEI_WT61P803_PUZZLE_CMD_HEADER_EEPROM, -+ IEI_WT61P803_PUZZLE_CMD_EEPROM_READ, -+ 0x00, /* EEPROM read address */ -+ 0x11, /* Data length */ -+ }; -+ size_t reply_size; -+ int ret; -+ -+ mutex_lock(&mcu->lock); -+ mac_address_cmd[2] = 0x24 + 0x11 * index; -+ -+ ret = iei_wt61p803_puzzle_write_command(mcu, mac_address_cmd, -+ sizeof(mac_address_cmd), -+ resp_buf, &reply_size); -+ if (ret) -+ goto err; -+ -+ if (reply_size < 22) { -+ ret = -EIO; -+ goto err; -+ } -+ -+ sprintf(mcu->version.mac_address[index], "%.*s", -+ IEI_WT61P803_PUZZLE_MAC_LENGTH, resp_buf + 4); -+err: -+ mutex_unlock(&mcu->lock); -+ return ret; -+} -+ -+static int -+iei_wt61p803_puzzle_write_mac_address(struct iei_wt61p803_puzzle *mcu, -+ unsigned char mac_address[IEI_WT61P803_PUZZLE_MAC_LENGTH], -+ int mac_address_idx) -+{ -+ unsigned char mac_address_cmd[4 + IEI_WT61P803_PUZZLE_MAC_LENGTH + 1]; -+ unsigned char *resp_buf = mcu->response_buffer; -+ unsigned char mac_address_header[4] = { -+ IEI_WT61P803_PUZZLE_CMD_HEADER_EEPROM, -+ IEI_WT61P803_PUZZLE_CMD_EEPROM_WRITE, -+ 0x00, /* EEPROM write address */ -+ 0x11, /* Data length */ -+ }; -+ size_t reply_size; -+ int ret; -+ -+ if (mac_address_idx < 0 || mac_address_idx >= IEI_WT61P803_PUZZLE_NB_MAC) -+ return -EINVAL; -+ -+ mac_address_header[2] = 0x24 + 0x11 * mac_address_idx; -+ -+ /* Concat mac_address_header, mac_address to mac_address_cmd */ -+ memcpy(mac_address_cmd, mac_address_header, sizeof(mac_address_header)); -+ memcpy(mac_address_cmd + sizeof(mac_address_header), mac_address, -+ IEI_WT61P803_PUZZLE_MAC_LENGTH); -+ -+ mutex_lock(&mcu->lock); -+ ret = iei_wt61p803_puzzle_write_command(mcu, mac_address_cmd, -+ sizeof(mac_address_cmd), -+ resp_buf, &reply_size); -+ if (ret) -+ goto err; -+ if (reply_size != 3) { -+ ret = -EIO; -+ goto err; -+ } -+ if (!(resp_buf[0] == IEI_WT61P803_PUZZLE_CMD_HEADER_START && -+ resp_buf[1] == IEI_WT61P803_PUZZLE_CMD_RESPONSE_OK && -+ resp_buf[2] == IEI_WT61P803_PUZZLE_CHECKSUM_RESPONSE_OK)) { -+ ret = -EPROTO; -+ goto err; -+ } -+ -+ sprintf(mcu->version.mac_address[mac_address_idx], "%.*s", -+ IEI_WT61P803_PUZZLE_MAC_LENGTH, mac_address); -+err: -+ mutex_unlock(&mcu->lock); -+ return ret; -+} -+ -+static int iei_wt61p803_puzzle_write_power_loss_recovery(struct iei_wt61p803_puzzle *mcu, -+ int power_loss_recovery_action) -+{ -+ unsigned char *resp_buf = mcu->response_buffer; -+ unsigned char power_loss_recovery_cmd[5] = {}; -+ size_t reply_size; -+ int ret; -+ -+ if (power_loss_recovery_action < 0 || power_loss_recovery_action > 4) -+ return -EINVAL; -+ -+ power_loss_recovery_cmd[0] = IEI_WT61P803_PUZZLE_CMD_HEADER_START; -+ power_loss_recovery_cmd[1] = IEI_WT61P803_PUZZLE_CMD_FUNCTION_OTHER; -+ power_loss_recovery_cmd[2] = IEI_WT61P803_PUZZLE_CMD_FUNCTION_OTHER_POWER_LOSS; -+ power_loss_recovery_cmd[3] = hex_asc[power_loss_recovery_action]; -+ -+ mutex_lock(&mcu->lock); -+ ret = iei_wt61p803_puzzle_write_command(mcu, power_loss_recovery_cmd, -+ sizeof(power_loss_recovery_cmd), -+ resp_buf, &reply_size); -+ if (ret) -+ goto exit; -+ mcu->status.power_loss_recovery = power_loss_recovery_action; -+exit: -+ mutex_unlock(&mcu->lock); -+ return ret; -+} -+ -+#define to_puzzle_dev_attr(_attr) \ -+ container_of(_attr, struct iei_wt61p803_puzzle_device_attribute, dev_attr) -+ -+static ssize_t show_output(struct device *dev, -+ struct device_attribute *attr, char *buf) -+{ -+ struct iei_wt61p803_puzzle *mcu = dev_get_drvdata(dev); -+ struct iei_wt61p803_puzzle_device_attribute *pattr = to_puzzle_dev_attr(attr); -+ int ret; -+ -+ switch (pattr->type) { -+ case IEI_WT61P803_PUZZLE_VERSION: -+ return scnprintf(buf, PAGE_SIZE, "%s\n", mcu->version.version); -+ case IEI_WT61P803_PUZZLE_BUILD_INFO: -+ return scnprintf(buf, PAGE_SIZE, "%s\n", mcu->version.build_info); -+ case IEI_WT61P803_PUZZLE_BOOTLOADER_MODE: -+ return scnprintf(buf, PAGE_SIZE, "%d\n", mcu->version.bootloader_mode); -+ case IEI_WT61P803_PUZZLE_PROTOCOL_VERSION: -+ return scnprintf(buf, PAGE_SIZE, "%s\n", mcu->version.protocol_version); -+ case IEI_WT61P803_PUZZLE_SERIAL_NUMBER: -+ ret = iei_wt61p803_puzzle_get_serial_number(mcu); -+ if (!ret) -+ ret = scnprintf(buf, PAGE_SIZE, "%s\n", mcu->version.serial_number); -+ else -+ ret = 0; -+ return ret; -+ case IEI_WT61P803_PUZZLE_MAC_ADDRESS: -+ ret = iei_wt61p803_puzzle_get_mac_address(mcu, pattr->index); -+ if (!ret) -+ ret = scnprintf(buf, PAGE_SIZE, "%s\n", -+ mcu->version.mac_address[pattr->index]); -+ else -+ ret = 0; -+ return ret; -+ case IEI_WT61P803_PUZZLE_AC_RECOVERY_STATUS: -+ case IEI_WT61P803_PUZZLE_POWER_LOSS_RECOVERY: -+ case IEI_WT61P803_PUZZLE_POWER_STATUS: -+ ret = iei_wt61p803_puzzle_get_mcu_status(mcu); -+ if (ret) -+ return ret; -+ -+ mutex_lock(&mcu->lock); -+ switch (pattr->type) { -+ case IEI_WT61P803_PUZZLE_AC_RECOVERY_STATUS: -+ ret = scnprintf(buf, PAGE_SIZE, "%x\n", -+ mcu->status.ac_recovery_status_flag); -+ break; -+ case IEI_WT61P803_PUZZLE_POWER_LOSS_RECOVERY: -+ ret = scnprintf(buf, PAGE_SIZE, "%x\n", mcu->status.power_loss_recovery); -+ break; -+ case IEI_WT61P803_PUZZLE_POWER_STATUS: -+ ret = scnprintf(buf, PAGE_SIZE, "%x\n", mcu->status.power_status); -+ break; -+ default: -+ ret = 0; -+ break; -+ } -+ mutex_unlock(&mcu->lock); -+ return ret; -+ default: -+ return 0; -+ } -+ -+ return 0; -+} -+ -+static ssize_t store_output(struct device *dev, -+ struct device_attribute *attr, -+ const char *buf, size_t len) -+{ -+ unsigned char serial_number[IEI_WT61P803_PUZZLE_SN_LENGTH]; -+ unsigned char mac_address[IEI_WT61P803_PUZZLE_MAC_LENGTH]; -+ struct iei_wt61p803_puzzle *mcu = dev_get_drvdata(dev); -+ struct iei_wt61p803_puzzle_device_attribute *pattr = to_puzzle_dev_attr(attr); -+ int power_loss_recovery_action = 0; -+ int ret; -+ -+ switch (pattr->type) { -+ case IEI_WT61P803_PUZZLE_SERIAL_NUMBER: -+ if (len != (size_t)(IEI_WT61P803_PUZZLE_SN_LENGTH + 1)) -+ return -EINVAL; -+ memcpy(serial_number, buf, sizeof(serial_number)); -+ ret = iei_wt61p803_puzzle_write_serial_number(mcu, serial_number); -+ if (ret) -+ return ret; -+ return len; -+ case IEI_WT61P803_PUZZLE_MAC_ADDRESS: -+ if (len != (size_t)(IEI_WT61P803_PUZZLE_MAC_LENGTH + 1)) -+ return -EINVAL; -+ -+ memcpy(mac_address, buf, sizeof(mac_address)); -+ -+ if (strlen(attr->attr.name) != 13) -+ return -EIO; -+ -+ ret = iei_wt61p803_puzzle_write_mac_address(mcu, mac_address, pattr->index); -+ if (ret) -+ return ret; -+ return len; -+ case IEI_WT61P803_PUZZLE_POWER_LOSS_RECOVERY: -+ ret = kstrtoint(buf, 10, &power_loss_recovery_action); -+ if (ret) -+ return ret; -+ ret = iei_wt61p803_puzzle_write_power_loss_recovery(mcu, -+ power_loss_recovery_action); -+ if (ret) -+ return ret; -+ return len; -+ default: -+ return -EINVAL; -+ } -+ -+ return 0; -+} -+ -+#define IEI_WT61P803_PUZZLE_ATTR(_name, _mode, _show, _store, _type, _index) \ -+ struct iei_wt61p803_puzzle_device_attribute dev_attr_##_name = \ -+ { .dev_attr = __ATTR(_name, _mode, _show, _store), \ -+ .type = _type, \ -+ .index = _index } -+ -+#define IEI_WT61P803_PUZZLE_ATTR_RO(_name, _type, _id) \ -+ IEI_WT61P803_PUZZLE_ATTR(_name, 0444, show_output, NULL, _type, _id) -+ -+#define IEI_WT61P803_PUZZLE_ATTR_RW(_name, _type, _id) \ -+ IEI_WT61P803_PUZZLE_ATTR(_name, 0644, show_output, store_output, _type, _id) -+ -+static IEI_WT61P803_PUZZLE_ATTR_RO(version, IEI_WT61P803_PUZZLE_VERSION, 0); -+static IEI_WT61P803_PUZZLE_ATTR_RO(build_info, IEI_WT61P803_PUZZLE_BUILD_INFO, 0); -+static IEI_WT61P803_PUZZLE_ATTR_RO(bootloader_mode, IEI_WT61P803_PUZZLE_BOOTLOADER_MODE, 0); -+static IEI_WT61P803_PUZZLE_ATTR_RO(protocol_version, IEI_WT61P803_PUZZLE_PROTOCOL_VERSION, 0); -+static IEI_WT61P803_PUZZLE_ATTR_RW(serial_number, IEI_WT61P803_PUZZLE_SERIAL_NUMBER, 0); -+static IEI_WT61P803_PUZZLE_ATTR_RW(mac_address_0, IEI_WT61P803_PUZZLE_MAC_ADDRESS, 0); -+static IEI_WT61P803_PUZZLE_ATTR_RW(mac_address_1, IEI_WT61P803_PUZZLE_MAC_ADDRESS, 1); -+static IEI_WT61P803_PUZZLE_ATTR_RW(mac_address_2, IEI_WT61P803_PUZZLE_MAC_ADDRESS, 2); -+static IEI_WT61P803_PUZZLE_ATTR_RW(mac_address_3, IEI_WT61P803_PUZZLE_MAC_ADDRESS, 3); -+static IEI_WT61P803_PUZZLE_ATTR_RW(mac_address_4, IEI_WT61P803_PUZZLE_MAC_ADDRESS, 4); -+static IEI_WT61P803_PUZZLE_ATTR_RW(mac_address_5, IEI_WT61P803_PUZZLE_MAC_ADDRESS, 5); -+static IEI_WT61P803_PUZZLE_ATTR_RW(mac_address_6, IEI_WT61P803_PUZZLE_MAC_ADDRESS, 6); -+static IEI_WT61P803_PUZZLE_ATTR_RW(mac_address_7, IEI_WT61P803_PUZZLE_MAC_ADDRESS, 7); -+static IEI_WT61P803_PUZZLE_ATTR_RO(ac_recovery_status, IEI_WT61P803_PUZZLE_AC_RECOVERY_STATUS, 0); -+static IEI_WT61P803_PUZZLE_ATTR_RW(power_loss_recovery, IEI_WT61P803_PUZZLE_POWER_LOSS_RECOVERY, 0); -+static IEI_WT61P803_PUZZLE_ATTR_RO(power_status, IEI_WT61P803_PUZZLE_POWER_STATUS, 0); -+ -+static struct attribute *iei_wt61p803_puzzle_attrs[] = { -+ &dev_attr_version.dev_attr.attr, -+ &dev_attr_build_info.dev_attr.attr, -+ &dev_attr_bootloader_mode.dev_attr.attr, -+ &dev_attr_protocol_version.dev_attr.attr, -+ &dev_attr_serial_number.dev_attr.attr, -+ &dev_attr_mac_address_0.dev_attr.attr, -+ &dev_attr_mac_address_1.dev_attr.attr, -+ &dev_attr_mac_address_2.dev_attr.attr, -+ &dev_attr_mac_address_3.dev_attr.attr, -+ &dev_attr_mac_address_4.dev_attr.attr, -+ &dev_attr_mac_address_5.dev_attr.attr, -+ &dev_attr_mac_address_6.dev_attr.attr, -+ &dev_attr_mac_address_7.dev_attr.attr, -+ &dev_attr_ac_recovery_status.dev_attr.attr, -+ &dev_attr_power_loss_recovery.dev_attr.attr, -+ &dev_attr_power_status.dev_attr.attr, -+ NULL -+}; -+ATTRIBUTE_GROUPS(iei_wt61p803_puzzle); -+ -+static int iei_wt61p803_puzzle_sysfs_create(struct device *dev, -+ struct iei_wt61p803_puzzle *mcu) -+{ -+ int ret; -+ -+ ret = sysfs_create_groups(&mcu->dev->kobj, iei_wt61p803_puzzle_groups); -+ if (ret) -+ mfd_remove_devices(mcu->dev); -+ -+ return ret; -+} -+ -+static int iei_wt61p803_puzzle_sysfs_remove(struct device *dev, -+ struct iei_wt61p803_puzzle *mcu) -+{ -+ /* Remove sysfs groups */ -+ sysfs_remove_groups(&mcu->dev->kobj, iei_wt61p803_puzzle_groups); -+ mfd_remove_devices(mcu->dev); -+ -+ return 0; -+} -+ -+static int iei_wt61p803_puzzle_probe(struct serdev_device *serdev) -+{ -+ struct device *dev = &serdev->dev; -+ struct iei_wt61p803_puzzle *mcu; -+ u32 baud; -+ int ret; -+ -+ /* Read the baud rate from 'current-speed', because the MCU supports different rates */ -+ if (device_property_read_u32(dev, "current-speed", &baud)) { -+ dev_err(dev, -+ "'current-speed' is not specified in device node\n"); -+ return -EINVAL; -+ } -+ dev_dbg(dev, "Driver baud rate: %d\n", baud); -+ -+ /* Allocate the memory */ -+ mcu = devm_kzalloc(dev, sizeof(*mcu), GFP_KERNEL); -+ if (!mcu) -+ return -ENOMEM; -+ -+ mcu->reply = devm_kzalloc(dev, sizeof(*mcu->reply), GFP_KERNEL); -+ if (!mcu->reply) -+ return -ENOMEM; -+ -+ /* Initialize device struct data */ -+ mcu->serdev = serdev; -+ mcu->dev = dev; -+ init_completion(&mcu->reply->received); -+ mutex_init(&mcu->reply_lock); -+ mutex_init(&mcu->lock); -+ -+ /* Setup UART interface */ -+ serdev_device_set_drvdata(serdev, mcu); -+ serdev_device_set_client_ops(serdev, &iei_wt61p803_puzzle_serdev_device_ops); -+ ret = devm_serdev_device_open(dev, serdev); -+ if (ret) -+ return ret; -+ serdev_device_set_baudrate(serdev, baud); -+ serdev_device_set_flow_control(serdev, false); -+ ret = serdev_device_set_parity(serdev, SERDEV_PARITY_NONE); -+ if (ret) { -+ dev_err(dev, "Failed to set parity\n"); -+ return ret; -+ } -+ -+ ret = iei_wt61p803_puzzle_get_version(mcu); -+ if (ret) -+ return ret; -+ -+ dev_dbg(dev, "MCU version: %s\n", mcu->version.version); -+ dev_dbg(dev, "MCU firmware build info: %s\n", mcu->version.build_info); -+ dev_dbg(dev, "MCU in bootloader mode: %s\n", -+ mcu->version.bootloader_mode ? "true" : "false"); -+ dev_dbg(dev, "MCU protocol version: %s\n", mcu->version.protocol_version); -+ -+ if (device_property_read_bool(dev, "enable-beep")) { -+ ret = iei_wt61p803_puzzle_buzzer(mcu, false); -+ if (ret) -+ return ret; -+ } -+ -+ ret = iei_wt61p803_puzzle_sysfs_create(dev, mcu); -+ if (ret) -+ return ret; -+ -+ return devm_of_platform_populate(dev); -+} -+ -+static void iei_wt61p803_puzzle_remove(struct serdev_device *serdev) -+{ -+ struct device *dev = &serdev->dev; -+ struct iei_wt61p803_puzzle *mcu = dev_get_drvdata(dev); -+ -+ iei_wt61p803_puzzle_sysfs_remove(dev, mcu); -+} -+ -+static const struct of_device_id iei_wt61p803_puzzle_dt_ids[] = { -+ { .compatible = "iei,wt61p803-puzzle" }, -+ { } -+}; -+ -+MODULE_DEVICE_TABLE(of, iei_wt61p803_puzzle_dt_ids); -+ -+static struct serdev_device_driver iei_wt61p803_puzzle_drv = { -+ .probe = iei_wt61p803_puzzle_probe, -+ .remove = iei_wt61p803_puzzle_remove, -+ .driver = { -+ .name = "iei-wt61p803-puzzle", -+ .of_match_table = iei_wt61p803_puzzle_dt_ids, -+ }, -+}; -+ -+module_serdev_device_driver(iei_wt61p803_puzzle_drv); -+ -+MODULE_LICENSE("GPL v2"); -+MODULE_AUTHOR("Luka Kovacic <luka.kovacic@sartura.hr>"); -+MODULE_DESCRIPTION("IEI WT61P803 PUZZLE MCU Driver"); ---- /dev/null -+++ b/include/linux/mfd/iei-wt61p803-puzzle.h -@@ -0,0 +1,66 @@ -+/* SPDX-License-Identifier: GPL-2.0-only */ -+/* IEI WT61P803 PUZZLE MCU Driver -+ * System management microcontroller for fan control, temperature sensor reading, -+ * LED control and system identification on IEI Puzzle series ARM-based appliances. -+ * -+ * Copyright (C) 2020 Sartura Ltd. -+ * Author: Luka Kovacic <luka.kovacic@sartura.hr> -+ */ -+ -+#ifndef _MFD_IEI_WT61P803_PUZZLE_H_ -+#define _MFD_IEI_WT61P803_PUZZLE_H_ -+ -+#define IEI_WT61P803_PUZZLE_BUF_SIZE 512 -+ -+/* Command magic numbers */ -+#define IEI_WT61P803_PUZZLE_CMD_HEADER_START 0x40 /* @ */ -+#define IEI_WT61P803_PUZZLE_CMD_HEADER_START_OTHER 0x25 /* % */ -+#define IEI_WT61P803_PUZZLE_CMD_HEADER_EEPROM 0xF7 -+ -+#define IEI_WT61P803_PUZZLE_CMD_RESPONSE_OK 0x30 /* 0 */ -+#define IEI_WT61P803_PUZZLE_CHECKSUM_RESPONSE_OK 0x70 -+ -+#define IEI_WT61P803_PUZZLE_CMD_EEPROM_READ 0xA1 -+#define IEI_WT61P803_PUZZLE_CMD_EEPROM_WRITE 0xA0 -+ -+#define IEI_WT61P803_PUZZLE_CMD_OTHER_VERSION 0x56 /* V */ -+#define IEI_WT61P803_PUZZLE_CMD_OTHER_BUILD 0x42 /* B */ -+#define IEI_WT61P803_PUZZLE_CMD_OTHER_BOOTLOADER_MODE 0x4D /* M */ -+#define IEI_WT61P803_PUZZLE_CMD_OTHER_MODE_BOOTLOADER 0x30 -+#define IEI_WT61P803_PUZZLE_CMD_OTHER_MODE_APPS 0x31 -+#define IEI_WT61P803_PUZZLE_CMD_OTHER_PROTOCOL_VERSION 0x50 /* P */ -+ -+#define IEI_WT61P803_PUZZLE_CMD_FUNCTION_SINGLE 0x43 /* C */ -+#define IEI_WT61P803_PUZZLE_CMD_FUNCTION_OTHER 0x4F /* O */ -+#define IEI_WT61P803_PUZZLE_CMD_FUNCTION_OTHER_STATUS 0x53 /* S */ -+#define IEI_WT61P803_PUZZLE_CMD_FUNCTION_OTHER_POWER_LOSS 0x41 /* A */ -+ -+#define IEI_WT61P803_PUZZLE_CMD_LED 0x52 /* R */ -+#define IEI_WT61P803_PUZZLE_CMD_LED_POWER 0x31 /* 1 */ -+ -+#define IEI_WT61P803_PUZZLE_CMD_TEMP 0x54 /* T */ -+#define IEI_WT61P803_PUZZLE_CMD_TEMP_ALL 0x41 /* A */ -+ -+#define IEI_WT61P803_PUZZLE_CMD_FAN 0x46 /* F */ -+#define IEI_WT61P803_PUZZLE_CMD_FAN_PWM_READ 0x5A /* Z */ -+#define IEI_WT61P803_PUZZLE_CMD_FAN_PWM_WRITE 0x57 /* W */ -+#define IEI_WT61P803_PUZZLE_CMD_FAN_PWM_BASE 0x30 -+#define IEI_WT61P803_PUZZLE_CMD_FAN_RPM_BASE 0x41 /* A */ -+ -+#define IEI_WT61P803_PUZZLE_CMD_FAN_PWM(x) (IEI_WT61P803_PUZZLE_CMD_FAN_PWM_BASE + (x)) /* 0 - 1 */ -+#define IEI_WT61P803_PUZZLE_CMD_FAN_RPM(x) (IEI_WT61P803_PUZZLE_CMD_FAN_RPM_BASE + (x)) /* 0 - 5 */ -+ -+struct iei_wt61p803_puzzle_mcu_version; -+struct iei_wt61p803_puzzle_reply; -+struct iei_wt61p803_puzzle; -+ -+int iei_wt61p803_puzzle_write_command_watchdog(struct iei_wt61p803_puzzle *mcu, -+ unsigned char *cmd, size_t size, -+ unsigned char *reply_data, size_t *reply_size, -+ int retry_count); -+ -+int iei_wt61p803_puzzle_write_command(struct iei_wt61p803_puzzle *mcu, -+ unsigned char *cmd, size_t size, -+ unsigned char *reply_data, size_t *reply_size); -+ -+#endif /* _MFD_IEI_WT61P803_PUZZLE_H_ */ |