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https://github.com/apache/nuttx.git
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feat: touch: bring up novatek nt38350 touch panel
CHAMPION-95 bring up novatek nt38350 touch panel Change-Id: Ia890518620a00df0bd9e51aface1bb019034ec94 Signed-off-by: futerigele <futerigele@xiaomi.com>
This commit is contained in:
futerigele
@@ -81,6 +81,38 @@ config INPUT_FT5X06
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Enable support for the FocalTech FT5x06 multi-touch, capacitive
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touch panel controller
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config INPUT_NT38350
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bool "NovaTek NT38350 multi-touch, capacitive touch panel controller"
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default n
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select I2C
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select INPUT_TOUCHSCREEN
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depends on SCHED_WORKQUEUE
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---help---
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Enable support for the Novatek NT38350 multi-touch, capacitive
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touch panel controller
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if INPUT_NT38350
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config NT38350_FW_PATH
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string "NovaTek NT38350 Firmware path"
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default "/mnt/data/nt38350_fw.bin"
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---help---
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Set up the NT38350 Firmare path
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config NT38350_NEED_UPGRADE_FW
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bool "NovaTek NT38350 Firmware Need Upgrade"
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default n
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---help---
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Say yes here to enable firmware upgrade
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config nt38350_NPOLLWAITERS
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int "Number NT38350 poll waiters"
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default 4
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---help---
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Maximum number of threads that can be waiting on poll()
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endif # INPUT_NT38350
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config INPUT_FT5336
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bool "FocalTech FT5336 multi-touch, capacitive touch panel controller"
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default n
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@@ -32,6 +32,10 @@ ifeq ($(CONFIG_INPUT_FT5X06),y)
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CSRCS += ft5x06.c
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endif
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ifeq ($(CONFIG_INPUT_NT38350),y)
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CSRCS += nt38350.c
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endif
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ifeq ($(CONFIG_INPUT_ADS7843E),y)
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CSRCS += ads7843e.c
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endif
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File diff suppressed because it is too large
Load Diff
@@ -0,0 +1,139 @@
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/****************************************************************************
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* include/nuttx/input/nt38350.h
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*
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* Licensed to the Apache Software Foundation (ASF) under one or more
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* contributor license agreements. See the NOTICE file distributed with
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* this work for additional information regarding copyright ownership. The
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* ASF licenses this file to you under the Apache License, Version 2.0 (the
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* "License"); you may not use this file except in compliance with the
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* License. You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
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* WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
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* License for the specific language governing permissions and limitations
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* under the License.
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*
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****************************************************************************/
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#ifndef __INCLUDE_NUTTX_INPUT_NT38350_H
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#define __INCLUDE_NUTTX_INPUT_NT38350_H
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/****************************************************************************
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* Included Files
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****************************************************************************/
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#include <nuttx/config.h>
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#include <nuttx/irq.h>
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#include <nuttx/i2c/i2c_master.h>
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#include <nuttx/fs/ioctl.h>
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#include <nuttx/ioexpander/ioexpander.h>
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#ifdef CONFIG_INPUT_NT38350
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/****************************************************************************
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* Pre-processor Definitions
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****************************************************************************/
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/* Specific IOCTL commands for NT38350 */
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#define TSIOC_GETNVTDIFF _TSIOC(0x0006) /* arg: Pointer to get struct nvt_diff_s */
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#define TSIOC_SELFTEST _TSIOC(0x0007) /* arg: Pointer to int self test value */
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/****************************************************************************
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* Public Types
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****************************************************************************/
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/* A reference to a structure of this type must be passed to the NT38350
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* driver. This structure provides information about the configuration
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* of the NT38350 and provides some board-specific hooks.
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*
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* Memory for this structure is provided by the caller. It is not copied
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* by the driver and is presumed to persist while the driver is active. The
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* memory must be writeable because, under certain circumstances, the driver
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* may modify frequency or X plate resistance values.
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*/
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struct nt38350_config_s
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{
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/* Device characterization */
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uint8_t address; /* 7-bit I2C address (only bits 0-6 used) */
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uint16_t rxplate; /* Calibrated X plate resistance */
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uint32_t frequency; /* Default I2C frequency */
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int gpio_irq_pin; /* IRQ pin */
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int gpio_rst_pin; /* Reset pin */
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ioe_callback_t handler; /* The nt38350 interrupt handler */
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FAR void *arg; /* Interrupt handler argument */
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FAR struct ioexpander_dev_s *ioe_dev; /* Ioexpander device. */
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FAR struct i2c_master_s *i2c;
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/* IRQ/GPIO access callbacks. These operations all hidden behind
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* callbacks to isolate the NT38350 driver from differences in GPIO
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* interrupt handling by varying boards and MCUs.
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*
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* attach - Attach an NT38350 interrupt handler to a GPIO interrupt
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* enable - Enable or disable a GPIO interrupt
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* clear - Acknowledge/clear any pending GPIO interrupt
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* wakeup - Issue WAKE interrupt to NT38350 to change the NT38350 from
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* Hibernate to Active mode.
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* nreset - Control the chip reset pin (active low)
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*/
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#ifndef CONFIG_NT38350_POLLMODE
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int (*attach)(FAR struct nt38350_config_s *config,
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ioe_callback_t isr, FAR void *arg);
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void (*enable)(FAR const struct nt38350_config_s *config, bool enable);
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void (*clear)(FAR const struct nt38350_config_s *config);
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int (*detach)(FAR struct nt38350_config_s *config,
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ioe_callback_t isr);
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#endif
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void (*wakeup)(FAR const struct nt38350_config_s *config);
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void (*nreset)(FAR const struct nt38350_config_s *config,
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bool state);
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};
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/****************************************************************************
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* Public Function Prototypes
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****************************************************************************/
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#ifdef __cplusplus
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#define EXTERN extern "C"
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extern "C"
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{
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#else
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#define EXTERN extern
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#endif
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/****************************************************************************
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* Name: nt38350_register
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*
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* Description:
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* Configure the nt38350 to use the provided I2C device instance. This
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* will register the driver as /dev/inputN where N is the minor device
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* number
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*
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* Input Parameters:
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* config - Persistent board configuration data
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* minor - The input device minor number
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*
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* Returned Value:
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* Zero is returned on success. Otherwise, a negated errno value is
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* returned to indicate the nature of the failure.
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*
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****************************************************************************/
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int nt38350_register(FAR struct nt38350_config_s *config,
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FAR const char *devname);
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#undef EXTERN
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#ifdef __cplusplus
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}
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#endif
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#endif /* CONFIG_INPUT_NT38350 */
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#endif /* __INCLUDE_NUTTX_INPUT_NT38350_H */
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