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![Linus Torvalds](/assets/img/avatar_default.png)
Pull input updates from Dmitry Torokhov: - a new driver for ADC driven joysticks - a new Zintix touchscreen driver - enhancements to Intel SoC button array driver - support for F3A "function" in Synaptics RMI4 driver - assorted driver fixups * 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/dtor/input: (29 commits) Input: Add MAINTAINERS entry for SiS i2c touch input driver Input: evdev - per-client waitgroups Input: synaptics - enable InterTouch for ThinkPad T14 Gen 1 Input: synaptics - enable InterTouch for ThinkPad P1/X1E gen 2 Input: synaptics-rmi4 - support bootloader v8 in f34v7 Input: synaptics-rmi4 - add support for F3A Input: synaptics-rmi4 - rename f30_data to gpio_data Input: add zinitix touchscreen driver dt-bindings: input/touchscreen: add bindings for zinitix Input: joystick - add ADC attached joystick driver. dt-bindings: input: Add docs for ADC driven joystick Input: sun4i-ps2 - fix handling of platform_get_irq() error Input: twl4030_keypad - fix handling of platform_get_irq() error Input: omap4-keypad - fix handling of platform_get_irq() error Input: ep93xx_keypad - fix handling of platform_get_irq() error Input: stmfts - fix a & vs && typo Input: imx6ul_tsc - unify open/close and PM paths Input: imx6ul_tsc - clean up some errors in imx6ul_tsc_resume() Input: elants_i2c - fix typo for an attribute to show calibration count Input: elants_i2c - report resolution of ABS_MT_TOUCH_MAJOR by FW information. ...
788 lines
19 KiB
C
788 lines
19 KiB
C
// SPDX-License-Identifier: GPL-2.0-or-later
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/*
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* Copyright (c) 2013 Andrew Duggan <aduggan@synaptics.com>
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* Copyright (c) 2013 Synaptics Incorporated
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* Copyright (c) 2014 Benjamin Tissoires <benjamin.tissoires@gmail.com>
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* Copyright (c) 2014 Red Hat, Inc
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*/
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#include <linux/kernel.h>
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#include <linux/hid.h>
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#include <linux/input.h>
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#include <linux/input/mt.h>
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#include <linux/irq.h>
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#include <linux/irqdomain.h>
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#include <linux/module.h>
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#include <linux/pm.h>
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#include <linux/slab.h>
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#include <linux/wait.h>
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#include <linux/sched.h>
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#include <linux/rmi.h>
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#include "hid-ids.h"
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#define RMI_MOUSE_REPORT_ID 0x01 /* Mouse emulation Report */
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#define RMI_WRITE_REPORT_ID 0x09 /* Output Report */
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#define RMI_READ_ADDR_REPORT_ID 0x0a /* Output Report */
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#define RMI_READ_DATA_REPORT_ID 0x0b /* Input Report */
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#define RMI_ATTN_REPORT_ID 0x0c /* Input Report */
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#define RMI_SET_RMI_MODE_REPORT_ID 0x0f /* Feature Report */
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/* flags */
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#define RMI_READ_REQUEST_PENDING 0
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#define RMI_READ_DATA_PENDING 1
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#define RMI_STARTED 2
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/* device flags */
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#define RMI_DEVICE BIT(0)
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#define RMI_DEVICE_HAS_PHYS_BUTTONS BIT(1)
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#define RMI_DEVICE_OUTPUT_SET_REPORT BIT(2)
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/*
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* retrieve the ctrl registers
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* the ctrl register has a size of 20 but a fw bug split it into 16 + 4,
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* and there is no way to know if the first 20 bytes are here or not.
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* We use only the first 12 bytes, so get only them.
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*/
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#define RMI_F11_CTRL_REG_COUNT 12
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enum rmi_mode_type {
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RMI_MODE_OFF = 0,
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RMI_MODE_ATTN_REPORTS = 1,
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RMI_MODE_NO_PACKED_ATTN_REPORTS = 2,
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};
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/**
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* struct rmi_data - stores information for hid communication
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*
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* @page_mutex: Locks current page to avoid changing pages in unexpected ways.
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* @page: Keeps track of the current virtual page
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* @xport: transport device to be registered with the RMI4 core.
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*
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* @wait: Used for waiting for read data
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*
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* @writeReport: output buffer when writing RMI registers
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* @readReport: input buffer when reading RMI registers
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*
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* @input_report_size: size of an input report (advertised by HID)
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* @output_report_size: size of an output report (advertised by HID)
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*
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* @flags: flags for the current device (started, reading, etc...)
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*
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* @reset_work: worker which will be called in case of a mouse report
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* @hdev: pointer to the struct hid_device
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*
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* @device_flags: flags which describe the device
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*
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* @domain: the IRQ domain allocated for this RMI4 device
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* @rmi_irq: the irq that will be used to generate events to rmi-core
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*/
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struct rmi_data {
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struct mutex page_mutex;
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int page;
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struct rmi_transport_dev xport;
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wait_queue_head_t wait;
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u8 *writeReport;
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u8 *readReport;
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u32 input_report_size;
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u32 output_report_size;
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unsigned long flags;
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struct work_struct reset_work;
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struct hid_device *hdev;
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unsigned long device_flags;
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struct irq_domain *domain;
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int rmi_irq;
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};
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#define RMI_PAGE(addr) (((addr) >> 8) & 0xff)
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static int rmi_write_report(struct hid_device *hdev, u8 *report, int len);
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/**
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* rmi_set_page - Set RMI page
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* @hdev: The pointer to the hid_device struct
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* @page: The new page address.
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*
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* RMI devices have 16-bit addressing, but some of the physical
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* implementations (like SMBus) only have 8-bit addressing. So RMI implements
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* a page address at 0xff of every page so we can reliable page addresses
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* every 256 registers.
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*
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* The page_mutex lock must be held when this function is entered.
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*
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* Returns zero on success, non-zero on failure.
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*/
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static int rmi_set_page(struct hid_device *hdev, u8 page)
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{
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struct rmi_data *data = hid_get_drvdata(hdev);
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int retval;
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data->writeReport[0] = RMI_WRITE_REPORT_ID;
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data->writeReport[1] = 1;
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data->writeReport[2] = 0xFF;
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data->writeReport[4] = page;
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retval = rmi_write_report(hdev, data->writeReport,
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data->output_report_size);
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if (retval != data->output_report_size) {
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dev_err(&hdev->dev,
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"%s: set page failed: %d.", __func__, retval);
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return retval;
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}
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data->page = page;
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return 0;
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}
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static int rmi_set_mode(struct hid_device *hdev, u8 mode)
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{
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int ret;
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const u8 txbuf[2] = {RMI_SET_RMI_MODE_REPORT_ID, mode};
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u8 *buf;
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buf = kmemdup(txbuf, sizeof(txbuf), GFP_KERNEL);
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if (!buf)
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return -ENOMEM;
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ret = hid_hw_raw_request(hdev, RMI_SET_RMI_MODE_REPORT_ID, buf,
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sizeof(txbuf), HID_FEATURE_REPORT, HID_REQ_SET_REPORT);
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kfree(buf);
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if (ret < 0) {
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dev_err(&hdev->dev, "unable to set rmi mode to %d (%d)\n", mode,
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ret);
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return ret;
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}
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return 0;
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}
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static int rmi_write_report(struct hid_device *hdev, u8 *report, int len)
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{
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struct rmi_data *data = hid_get_drvdata(hdev);
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int ret;
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if (data->device_flags & RMI_DEVICE_OUTPUT_SET_REPORT) {
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/*
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* Talk to device by using SET_REPORT requests instead.
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*/
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ret = hid_hw_raw_request(hdev, report[0], report,
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len, HID_OUTPUT_REPORT, HID_REQ_SET_REPORT);
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} else {
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ret = hid_hw_output_report(hdev, (void *)report, len);
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}
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if (ret < 0) {
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dev_err(&hdev->dev, "failed to write hid report (%d)\n", ret);
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return ret;
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}
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return ret;
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}
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static int rmi_hid_read_block(struct rmi_transport_dev *xport, u16 addr,
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void *buf, size_t len)
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{
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struct rmi_data *data = container_of(xport, struct rmi_data, xport);
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struct hid_device *hdev = data->hdev;
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int ret;
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int bytes_read;
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int bytes_needed;
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int retries;
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int read_input_count;
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mutex_lock(&data->page_mutex);
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if (RMI_PAGE(addr) != data->page) {
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ret = rmi_set_page(hdev, RMI_PAGE(addr));
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if (ret < 0)
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goto exit;
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}
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for (retries = 5; retries > 0; retries--) {
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data->writeReport[0] = RMI_READ_ADDR_REPORT_ID;
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data->writeReport[1] = 0; /* old 1 byte read count */
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data->writeReport[2] = addr & 0xFF;
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data->writeReport[3] = (addr >> 8) & 0xFF;
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data->writeReport[4] = len & 0xFF;
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data->writeReport[5] = (len >> 8) & 0xFF;
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set_bit(RMI_READ_REQUEST_PENDING, &data->flags);
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ret = rmi_write_report(hdev, data->writeReport,
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data->output_report_size);
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if (ret != data->output_report_size) {
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dev_err(&hdev->dev,
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"failed to write request output report (%d)\n",
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ret);
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goto exit;
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}
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bytes_read = 0;
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bytes_needed = len;
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while (bytes_read < len) {
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if (!wait_event_timeout(data->wait,
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test_bit(RMI_READ_DATA_PENDING, &data->flags),
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msecs_to_jiffies(1000))) {
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hid_warn(hdev, "%s: timeout elapsed\n",
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__func__);
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ret = -EAGAIN;
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break;
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}
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read_input_count = data->readReport[1];
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memcpy(buf + bytes_read, &data->readReport[2],
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read_input_count < bytes_needed ?
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read_input_count : bytes_needed);
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bytes_read += read_input_count;
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bytes_needed -= read_input_count;
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clear_bit(RMI_READ_DATA_PENDING, &data->flags);
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}
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if (ret >= 0) {
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ret = 0;
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break;
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}
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}
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exit:
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clear_bit(RMI_READ_REQUEST_PENDING, &data->flags);
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mutex_unlock(&data->page_mutex);
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return ret;
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}
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static int rmi_hid_write_block(struct rmi_transport_dev *xport, u16 addr,
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const void *buf, size_t len)
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{
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struct rmi_data *data = container_of(xport, struct rmi_data, xport);
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struct hid_device *hdev = data->hdev;
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int ret;
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mutex_lock(&data->page_mutex);
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if (RMI_PAGE(addr) != data->page) {
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ret = rmi_set_page(hdev, RMI_PAGE(addr));
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if (ret < 0)
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goto exit;
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}
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data->writeReport[0] = RMI_WRITE_REPORT_ID;
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data->writeReport[1] = len;
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data->writeReport[2] = addr & 0xFF;
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data->writeReport[3] = (addr >> 8) & 0xFF;
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memcpy(&data->writeReport[4], buf, len);
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ret = rmi_write_report(hdev, data->writeReport,
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data->output_report_size);
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if (ret < 0) {
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dev_err(&hdev->dev,
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"failed to write request output report (%d)\n",
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ret);
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goto exit;
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}
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ret = 0;
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exit:
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mutex_unlock(&data->page_mutex);
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return ret;
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}
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static int rmi_reset_attn_mode(struct hid_device *hdev)
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{
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struct rmi_data *data = hid_get_drvdata(hdev);
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struct rmi_device *rmi_dev = data->xport.rmi_dev;
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int ret;
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ret = rmi_set_mode(hdev, RMI_MODE_ATTN_REPORTS);
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if (ret)
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return ret;
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if (test_bit(RMI_STARTED, &data->flags))
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ret = rmi_dev->driver->reset_handler(rmi_dev);
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return ret;
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}
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static void rmi_reset_work(struct work_struct *work)
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{
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struct rmi_data *hdata = container_of(work, struct rmi_data,
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reset_work);
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/* switch the device to RMI if we receive a generic mouse report */
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rmi_reset_attn_mode(hdata->hdev);
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}
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static int rmi_input_event(struct hid_device *hdev, u8 *data, int size)
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{
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struct rmi_data *hdata = hid_get_drvdata(hdev);
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struct rmi_device *rmi_dev = hdata->xport.rmi_dev;
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unsigned long flags;
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if (!(test_bit(RMI_STARTED, &hdata->flags)))
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return 0;
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local_irq_save(flags);
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rmi_set_attn_data(rmi_dev, data[1], &data[2], size - 2);
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generic_handle_irq(hdata->rmi_irq);
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local_irq_restore(flags);
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return 1;
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}
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static int rmi_read_data_event(struct hid_device *hdev, u8 *data, int size)
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{
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struct rmi_data *hdata = hid_get_drvdata(hdev);
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if (!test_bit(RMI_READ_REQUEST_PENDING, &hdata->flags)) {
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hid_dbg(hdev, "no read request pending\n");
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return 0;
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}
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memcpy(hdata->readReport, data, size < hdata->input_report_size ?
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size : hdata->input_report_size);
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set_bit(RMI_READ_DATA_PENDING, &hdata->flags);
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wake_up(&hdata->wait);
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return 1;
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}
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static int rmi_check_sanity(struct hid_device *hdev, u8 *data, int size)
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{
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int valid_size = size;
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/*
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* On the Dell XPS 13 9333, the bus sometimes get confused and fills
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* the report with a sentinel value "ff". Synaptics told us that such
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* behavior does not comes from the touchpad itself, so we filter out
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* such reports here.
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*/
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while ((data[valid_size - 1] == 0xff) && valid_size > 0)
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valid_size--;
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return valid_size;
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}
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static int rmi_raw_event(struct hid_device *hdev,
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struct hid_report *report, u8 *data, int size)
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{
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struct rmi_data *hdata = hid_get_drvdata(hdev);
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if (!(hdata->device_flags & RMI_DEVICE))
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return 0;
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size = rmi_check_sanity(hdev, data, size);
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if (size < 2)
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return 0;
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switch (data[0]) {
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case RMI_READ_DATA_REPORT_ID:
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return rmi_read_data_event(hdev, data, size);
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case RMI_ATTN_REPORT_ID:
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return rmi_input_event(hdev, data, size);
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default:
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return 1;
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}
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return 0;
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}
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|
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static int rmi_event(struct hid_device *hdev, struct hid_field *field,
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struct hid_usage *usage, __s32 value)
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{
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struct rmi_data *data = hid_get_drvdata(hdev);
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if ((data->device_flags & RMI_DEVICE) &&
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(field->application == HID_GD_POINTER ||
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field->application == HID_GD_MOUSE)) {
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if (data->device_flags & RMI_DEVICE_HAS_PHYS_BUTTONS) {
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if ((usage->hid & HID_USAGE_PAGE) == HID_UP_BUTTON)
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return 0;
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if ((usage->hid == HID_GD_X || usage->hid == HID_GD_Y)
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&& !value)
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return 1;
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}
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|
|
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schedule_work(&data->reset_work);
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return 1;
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}
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|
|
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return 0;
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}
|
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|
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static void rmi_report(struct hid_device *hid, struct hid_report *report)
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{
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struct hid_field *field = report->field[0];
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|
|
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if (!(hid->claimed & HID_CLAIMED_INPUT))
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return;
|
|
|
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switch (report->id) {
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case RMI_READ_DATA_REPORT_ID:
|
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case RMI_ATTN_REPORT_ID:
|
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return;
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}
|
|
|
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if (field && field->hidinput && field->hidinput->input)
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input_sync(field->hidinput->input);
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}
|
|
|
|
#ifdef CONFIG_PM
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static int rmi_suspend(struct hid_device *hdev, pm_message_t message)
|
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{
|
|
struct rmi_data *data = hid_get_drvdata(hdev);
|
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struct rmi_device *rmi_dev = data->xport.rmi_dev;
|
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int ret;
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|
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if (!(data->device_flags & RMI_DEVICE))
|
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return 0;
|
|
|
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ret = rmi_driver_suspend(rmi_dev, false);
|
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if (ret) {
|
|
hid_warn(hdev, "Failed to suspend device: %d\n", ret);
|
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return ret;
|
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}
|
|
|
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return 0;
|
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}
|
|
|
|
static int rmi_post_resume(struct hid_device *hdev)
|
|
{
|
|
struct rmi_data *data = hid_get_drvdata(hdev);
|
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struct rmi_device *rmi_dev = data->xport.rmi_dev;
|
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int ret;
|
|
|
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if (!(data->device_flags & RMI_DEVICE))
|
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return 0;
|
|
|
|
/* Make sure the HID device is ready to receive events */
|
|
ret = hid_hw_open(hdev);
|
|
if (ret)
|
|
return ret;
|
|
|
|
ret = rmi_reset_attn_mode(hdev);
|
|
if (ret)
|
|
goto out;
|
|
|
|
ret = rmi_driver_resume(rmi_dev, false);
|
|
if (ret) {
|
|
hid_warn(hdev, "Failed to resume device: %d\n", ret);
|
|
goto out;
|
|
}
|
|
|
|
out:
|
|
hid_hw_close(hdev);
|
|
return ret;
|
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}
|
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#endif /* CONFIG_PM */
|
|
|
|
static int rmi_hid_reset(struct rmi_transport_dev *xport, u16 reset_addr)
|
|
{
|
|
struct rmi_data *data = container_of(xport, struct rmi_data, xport);
|
|
struct hid_device *hdev = data->hdev;
|
|
|
|
return rmi_reset_attn_mode(hdev);
|
|
}
|
|
|
|
static int rmi_input_configured(struct hid_device *hdev, struct hid_input *hi)
|
|
{
|
|
struct rmi_data *data = hid_get_drvdata(hdev);
|
|
struct input_dev *input = hi->input;
|
|
int ret = 0;
|
|
|
|
if (!(data->device_flags & RMI_DEVICE))
|
|
return 0;
|
|
|
|
data->xport.input = input;
|
|
|
|
hid_dbg(hdev, "Opening low level driver\n");
|
|
ret = hid_hw_open(hdev);
|
|
if (ret)
|
|
return ret;
|
|
|
|
/* Allow incoming hid reports */
|
|
hid_device_io_start(hdev);
|
|
|
|
ret = rmi_set_mode(hdev, RMI_MODE_ATTN_REPORTS);
|
|
if (ret < 0) {
|
|
dev_err(&hdev->dev, "failed to set rmi mode\n");
|
|
goto exit;
|
|
}
|
|
|
|
ret = rmi_set_page(hdev, 0);
|
|
if (ret < 0) {
|
|
dev_err(&hdev->dev, "failed to set page select to 0.\n");
|
|
goto exit;
|
|
}
|
|
|
|
ret = rmi_register_transport_device(&data->xport);
|
|
if (ret < 0) {
|
|
dev_err(&hdev->dev, "failed to register transport driver\n");
|
|
goto exit;
|
|
}
|
|
|
|
set_bit(RMI_STARTED, &data->flags);
|
|
|
|
exit:
|
|
hid_device_io_stop(hdev);
|
|
hid_hw_close(hdev);
|
|
return ret;
|
|
}
|
|
|
|
static int rmi_input_mapping(struct hid_device *hdev,
|
|
struct hid_input *hi, struct hid_field *field,
|
|
struct hid_usage *usage, unsigned long **bit, int *max)
|
|
{
|
|
struct rmi_data *data = hid_get_drvdata(hdev);
|
|
|
|
/*
|
|
* we want to make HID ignore the advertised HID collection
|
|
* for RMI deivces
|
|
*/
|
|
if (data->device_flags & RMI_DEVICE) {
|
|
if ((data->device_flags & RMI_DEVICE_HAS_PHYS_BUTTONS) &&
|
|
((usage->hid & HID_USAGE_PAGE) == HID_UP_BUTTON))
|
|
return 0;
|
|
|
|
return -1;
|
|
}
|
|
|
|
return 0;
|
|
}
|
|
|
|
static int rmi_check_valid_report_id(struct hid_device *hdev, unsigned type,
|
|
unsigned id, struct hid_report **report)
|
|
{
|
|
int i;
|
|
|
|
*report = hdev->report_enum[type].report_id_hash[id];
|
|
if (*report) {
|
|
for (i = 0; i < (*report)->maxfield; i++) {
|
|
unsigned app = (*report)->field[i]->application;
|
|
if ((app & HID_USAGE_PAGE) >= HID_UP_MSVENDOR)
|
|
return 1;
|
|
}
|
|
}
|
|
|
|
return 0;
|
|
}
|
|
|
|
static struct rmi_device_platform_data rmi_hid_pdata = {
|
|
.sensor_pdata = {
|
|
.sensor_type = rmi_sensor_touchpad,
|
|
.axis_align.flip_y = true,
|
|
.dribble = RMI_REG_STATE_ON,
|
|
.palm_detect = RMI_REG_STATE_OFF,
|
|
},
|
|
};
|
|
|
|
static const struct rmi_transport_ops hid_rmi_ops = {
|
|
.write_block = rmi_hid_write_block,
|
|
.read_block = rmi_hid_read_block,
|
|
.reset = rmi_hid_reset,
|
|
};
|
|
|
|
static void rmi_irq_teardown(void *data)
|
|
{
|
|
struct rmi_data *hdata = data;
|
|
struct irq_domain *domain = hdata->domain;
|
|
|
|
if (!domain)
|
|
return;
|
|
|
|
irq_dispose_mapping(irq_find_mapping(domain, 0));
|
|
|
|
irq_domain_remove(domain);
|
|
hdata->domain = NULL;
|
|
hdata->rmi_irq = 0;
|
|
}
|
|
|
|
static int rmi_irq_map(struct irq_domain *h, unsigned int virq,
|
|
irq_hw_number_t hw_irq_num)
|
|
{
|
|
irq_set_chip_and_handler(virq, &dummy_irq_chip, handle_simple_irq);
|
|
|
|
return 0;
|
|
}
|
|
|
|
static const struct irq_domain_ops rmi_irq_ops = {
|
|
.map = rmi_irq_map,
|
|
};
|
|
|
|
static int rmi_setup_irq_domain(struct hid_device *hdev)
|
|
{
|
|
struct rmi_data *hdata = hid_get_drvdata(hdev);
|
|
int ret;
|
|
|
|
hdata->domain = irq_domain_create_linear(hdev->dev.fwnode, 1,
|
|
&rmi_irq_ops, hdata);
|
|
if (!hdata->domain)
|
|
return -ENOMEM;
|
|
|
|
ret = devm_add_action_or_reset(&hdev->dev, &rmi_irq_teardown, hdata);
|
|
if (ret)
|
|
return ret;
|
|
|
|
hdata->rmi_irq = irq_create_mapping(hdata->domain, 0);
|
|
if (hdata->rmi_irq <= 0) {
|
|
hid_err(hdev, "Can't allocate an IRQ\n");
|
|
return hdata->rmi_irq < 0 ? hdata->rmi_irq : -ENXIO;
|
|
}
|
|
|
|
return 0;
|
|
}
|
|
|
|
static int rmi_probe(struct hid_device *hdev, const struct hid_device_id *id)
|
|
{
|
|
struct rmi_data *data = NULL;
|
|
int ret;
|
|
size_t alloc_size;
|
|
struct hid_report *input_report;
|
|
struct hid_report *output_report;
|
|
struct hid_report *feature_report;
|
|
|
|
data = devm_kzalloc(&hdev->dev, sizeof(struct rmi_data), GFP_KERNEL);
|
|
if (!data)
|
|
return -ENOMEM;
|
|
|
|
INIT_WORK(&data->reset_work, rmi_reset_work);
|
|
data->hdev = hdev;
|
|
|
|
hid_set_drvdata(hdev, data);
|
|
|
|
hdev->quirks |= HID_QUIRK_NO_INIT_REPORTS;
|
|
hdev->quirks |= HID_QUIRK_NO_INPUT_SYNC;
|
|
|
|
ret = hid_parse(hdev);
|
|
if (ret) {
|
|
hid_err(hdev, "parse failed\n");
|
|
return ret;
|
|
}
|
|
|
|
if (id->driver_data)
|
|
data->device_flags = id->driver_data;
|
|
|
|
/*
|
|
* Check for the RMI specific report ids. If they are misisng
|
|
* simply return and let the events be processed by hid-input
|
|
*/
|
|
if (!rmi_check_valid_report_id(hdev, HID_FEATURE_REPORT,
|
|
RMI_SET_RMI_MODE_REPORT_ID, &feature_report)) {
|
|
hid_dbg(hdev, "device does not have set mode feature report\n");
|
|
goto start;
|
|
}
|
|
|
|
if (!rmi_check_valid_report_id(hdev, HID_INPUT_REPORT,
|
|
RMI_ATTN_REPORT_ID, &input_report)) {
|
|
hid_dbg(hdev, "device does not have attention input report\n");
|
|
goto start;
|
|
}
|
|
|
|
data->input_report_size = hid_report_len(input_report);
|
|
|
|
if (!rmi_check_valid_report_id(hdev, HID_OUTPUT_REPORT,
|
|
RMI_WRITE_REPORT_ID, &output_report)) {
|
|
hid_dbg(hdev,
|
|
"device does not have rmi write output report\n");
|
|
goto start;
|
|
}
|
|
|
|
data->output_report_size = hid_report_len(output_report);
|
|
|
|
data->device_flags |= RMI_DEVICE;
|
|
alloc_size = data->output_report_size + data->input_report_size;
|
|
|
|
data->writeReport = devm_kzalloc(&hdev->dev, alloc_size, GFP_KERNEL);
|
|
if (!data->writeReport) {
|
|
hid_err(hdev, "failed to allocate buffer for HID reports\n");
|
|
return -ENOMEM;
|
|
}
|
|
|
|
data->readReport = data->writeReport + data->output_report_size;
|
|
|
|
init_waitqueue_head(&data->wait);
|
|
|
|
mutex_init(&data->page_mutex);
|
|
|
|
ret = rmi_setup_irq_domain(hdev);
|
|
if (ret) {
|
|
hid_err(hdev, "failed to allocate IRQ domain\n");
|
|
return ret;
|
|
}
|
|
|
|
if (data->device_flags & RMI_DEVICE_HAS_PHYS_BUTTONS)
|
|
rmi_hid_pdata.gpio_data.disable = true;
|
|
|
|
data->xport.dev = hdev->dev.parent;
|
|
data->xport.pdata = rmi_hid_pdata;
|
|
data->xport.pdata.irq = data->rmi_irq;
|
|
data->xport.proto_name = "hid";
|
|
data->xport.ops = &hid_rmi_ops;
|
|
|
|
start:
|
|
ret = hid_hw_start(hdev, HID_CONNECT_DEFAULT);
|
|
if (ret) {
|
|
hid_err(hdev, "hw start failed\n");
|
|
return ret;
|
|
}
|
|
|
|
return 0;
|
|
}
|
|
|
|
static void rmi_remove(struct hid_device *hdev)
|
|
{
|
|
struct rmi_data *hdata = hid_get_drvdata(hdev);
|
|
|
|
if ((hdata->device_flags & RMI_DEVICE)
|
|
&& test_bit(RMI_STARTED, &hdata->flags)) {
|
|
clear_bit(RMI_STARTED, &hdata->flags);
|
|
cancel_work_sync(&hdata->reset_work);
|
|
rmi_unregister_transport_device(&hdata->xport);
|
|
}
|
|
|
|
hid_hw_stop(hdev);
|
|
}
|
|
|
|
static const struct hid_device_id rmi_id[] = {
|
|
{ HID_USB_DEVICE(USB_VENDOR_ID_RAZER, USB_DEVICE_ID_RAZER_BLADE_14),
|
|
.driver_data = RMI_DEVICE_HAS_PHYS_BUTTONS },
|
|
{ HID_USB_DEVICE(USB_VENDOR_ID_LENOVO, USB_DEVICE_ID_LENOVO_X1_COVER) },
|
|
{ HID_USB_DEVICE(USB_VENDOR_ID_PRIMAX, USB_DEVICE_ID_PRIMAX_REZEL) },
|
|
{ HID_USB_DEVICE(USB_VENDOR_ID_SYNAPTICS, USB_DEVICE_ID_SYNAPTICS_ACER_SWITCH5),
|
|
.driver_data = RMI_DEVICE_OUTPUT_SET_REPORT },
|
|
{ HID_DEVICE(HID_BUS_ANY, HID_GROUP_RMI, HID_ANY_ID, HID_ANY_ID) },
|
|
{ }
|
|
};
|
|
MODULE_DEVICE_TABLE(hid, rmi_id);
|
|
|
|
static struct hid_driver rmi_driver = {
|
|
.name = "hid-rmi",
|
|
.id_table = rmi_id,
|
|
.probe = rmi_probe,
|
|
.remove = rmi_remove,
|
|
.event = rmi_event,
|
|
.raw_event = rmi_raw_event,
|
|
.report = rmi_report,
|
|
.input_mapping = rmi_input_mapping,
|
|
.input_configured = rmi_input_configured,
|
|
#ifdef CONFIG_PM
|
|
.suspend = rmi_suspend,
|
|
.resume = rmi_post_resume,
|
|
.reset_resume = rmi_post_resume,
|
|
#endif
|
|
};
|
|
|
|
module_hid_driver(rmi_driver);
|
|
|
|
MODULE_AUTHOR("Andrew Duggan <aduggan@synaptics.com>");
|
|
MODULE_DESCRIPTION("RMI HID driver");
|
|
MODULE_LICENSE("GPL");
|