// SPDX-License-Identifier: GPL-2.0-only /* * Core Source for: * Cypress TrueTouch(TM) Standard Product (TTSP) touchscreen drivers. * For use with Cypress Txx3xx parts. * Supported parts include: * CY8CTST341 * CY8CTMA340 * * Copyright (C) 2009, 2010, 2011 Cypress Semiconductor, Inc. * Copyright (C) 2012 Javier Martinez Canillas <[email protected]> * * Contact Cypress Semiconductor at www.cypress.com <[email protected]> */ #include <linux/delay.h> #include <linux/input.h> #include <linux/input/mt.h> #include <linux/input/touchscreen.h> #include <linux/interrupt.h> #include <linux/slab.h> #include <linux/property.h> #include <linux/gpio/consumer.h> #include <linux/regulator/consumer.h> #include "cyttsp_core.h" /* Bootloader number of command keys */ #define CY_NUM_BL_KEYS … /* helpers */ #define GET_NUM_TOUCHES(x) … #define IS_LARGE_AREA(x) … #define IS_BAD_PKT(x) … #define IS_VALID_APP(x) … #define IS_OPERATIONAL_ERR(x) … #define GET_HSTMODE(reg) … #define GET_BOOTLOADERMODE(reg) … #define CY_REG_BASE … #define CY_REG_ACT_DIST … #define CY_REG_ACT_INTRVL … #define CY_REG_TCH_TMOUT … #define CY_REG_LP_INTRVL … #define CY_MAXZ … #define CY_DELAY_DFLT … #define CY_DELAY_MAX … /* Active distance in pixels for a gesture to be reported */ #define CY_ACT_DIST_DFLT … #define CY_ACT_DIST_MASK … /* Active Power state scanning/processing refresh interval */ #define CY_ACT_INTRVL_DFLT … /* Low Power state scanning/processing refresh interval */ #define CY_LP_INTRVL_DFLT … /* touch timeout for the Active power */ #define CY_TCH_TMOUT_DFLT … #define CY_HNDSHK_BIT … /* device mode bits */ #define CY_OPERATE_MODE … #define CY_SYSINFO_MODE … /* power mode select bits */ #define CY_SOFT_RESET_MODE … #define CY_DEEP_SLEEP_MODE … #define CY_LOW_POWER_MODE … /* Slots management */ #define CY_MAX_FINGER … #define CY_MAX_ID … static const u8 bl_command[] = …; static int ttsp_read_block_data(struct cyttsp *ts, u8 command, u8 length, void *buf) { … } static int ttsp_write_block_data(struct cyttsp *ts, u8 command, u8 length, void *buf) { … } static int ttsp_send_command(struct cyttsp *ts, u8 cmd) { … } static int cyttsp_handshake(struct cyttsp *ts) { … } static int cyttsp_load_bl_regs(struct cyttsp *ts) { … } static int cyttsp_exit_bl_mode(struct cyttsp *ts) { … } static int cyttsp_set_operational_mode(struct cyttsp *ts) { … } static int cyttsp_set_sysinfo_mode(struct cyttsp *ts) { … } static int cyttsp_set_sysinfo_regs(struct cyttsp *ts) { … } static void cyttsp_hard_reset(struct cyttsp *ts) { … } static int cyttsp_soft_reset(struct cyttsp *ts) { … } static int cyttsp_act_dist_setup(struct cyttsp *ts) { … } static void cyttsp_extract_track_ids(struct cyttsp_xydata *xy_data, int *ids) { … } static const struct cyttsp_tch *cyttsp_get_tch(struct cyttsp_xydata *xy_data, int idx) { … } static void cyttsp_report_tchdata(struct cyttsp *ts) { … } static irqreturn_t cyttsp_irq(int irq, void *handle) { … } static int cyttsp_power_on(struct cyttsp *ts) { … } static int cyttsp_enable(struct cyttsp *ts) { … } static int cyttsp_disable(struct cyttsp *ts) { … } static int cyttsp_suspend(struct device *dev) { … } static int cyttsp_resume(struct device *dev) { … } EXPORT_GPL_SIMPLE_DEV_PM_OPS(…); static int cyttsp_open(struct input_dev *dev) { … } static void cyttsp_close(struct input_dev *dev) { … } static int cyttsp_parse_properties(struct cyttsp *ts) { … } struct cyttsp *cyttsp_probe(const struct cyttsp_bus_ops *bus_ops, struct device *dev, int irq, size_t xfer_buf_size) { … } EXPORT_SYMBOL_GPL(…); MODULE_LICENSE(…) …; MODULE_DESCRIPTION(…) …; MODULE_AUTHOR(…) …;
Codebase Browser
linux