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staging: cptm1217: blow it all away
We have a drivers/input layer for Synaptics products and nothing should now be using the staging driver. Signed-off-by: Alan Cox <alan@linux.intel.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
parent
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commit
b5d78b7f81
7 changed files with 0 additions and 701 deletions
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@ -68,8 +68,6 @@ source "drivers/staging/ft1000/Kconfig"
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source "drivers/staging/speakup/Kconfig"
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source "drivers/staging/cptm1217/Kconfig"
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source "drivers/staging/ste_rmi4/Kconfig"
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source "drivers/staging/nvec/Kconfig"
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@ -28,7 +28,6 @@ obj-$(CONFIG_FB_XGI) += xgifb/
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obj-$(CONFIG_USB_EMXX) += emxx_udc/
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obj-$(CONFIG_FT1000) += ft1000/
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obj-$(CONFIG_SPEAKUP) += speakup/
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obj-$(CONFIG_TOUCHSCREEN_CLEARPAD_TM1217) += cptm1217/
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obj-$(CONFIG_TOUCHSCREEN_SYNAPTICS_I2C_RMI4) += ste_rmi4/
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obj-$(CONFIG_MFD_NVEC) += nvec/
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obj-$(CONFIG_ANDROID) += android/
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@ -1,12 +0,0 @@
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config TOUCHSCREEN_CLEARPAD_TM1217
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tristate "Synaptics Clearpad TM1217"
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depends on I2C
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depends on GPIOLIB
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depends on INPUT
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help
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Say Y here if you have a Synaptics Clearpad TM1217 Controller
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If unsure, say N.
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To compile this driver as a module, choose M here: the
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module will be called clearpad_tm1217.
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@ -1,2 +0,0 @@
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obj-$(CONFIG_TOUCHSCREEN_CLEARPAD_TM1217) += clearpad_tm1217.o
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@ -1,5 +0,0 @@
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- Wait for the official upstream general clearpad drivers as promised over
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the past few months
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- Merge any device support needed from this driver into it
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- Delete this driver
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@ -1,671 +0,0 @@
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/*
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* clearpad_tm1217.c - Touch Screen driver for Synaptics Clearpad
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* TM1217 controller
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*
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* Copyright (C) 2008 Intel Corp
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*
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* ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; version 2 of the License.
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*
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* This program is distributed in the hope that it will be useful, but
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* WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License along
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* with this program; ifnot, write to the Free Software Foundation, Inc.,
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* 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA.
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*
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* Questions/Comments/Bug fixes to Ramesh Agarwal (ramesh.agarwal@intel.com)
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* ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
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*/
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#include <linux/module.h>
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#include <linux/kernel.h>
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#include <linux/input.h>
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#include <linux/interrupt.h>
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#include <linux/io.h>
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#include <linux/i2c.h>
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#include <linux/timer.h>
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#include <linux/gpio.h>
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#include <linux/hrtimer.h>
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#include <linux/kthread.h>
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#include <linux/delay.h>
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#include <linux/slab.h>
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#include "cp_tm1217.h"
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#define CPTM1217_DEVICE_NAME "cptm1217"
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#define CPTM1217_DRIVER_NAME CPTM1217_DEVICE_NAME
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#define MAX_TOUCH_SUPPORTED 2
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#define TOUCH_SUPPORTED 1
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#define SAMPLING_FREQ 80 /* Frequency in HZ */
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#define DELAY_BTWIN_SAMPLE (1000 / SAMPLING_FREQ)
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#define WAIT_FOR_RESPONSE 5 /* 5msec just works */
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#define MAX_RETRIES 5 /* As above */
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#define INCREMENTAL_DELAY 5 /* As above */
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/* Regster Definitions */
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#define TMA1217_DEV_STATUS 0x13 /* Device Status */
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#define TMA1217_INT_STATUS 0x14 /* Interrupt Status */
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/* Controller can detect up to 2 possible finger touches.
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* Each finger touch provides 12 bit X Y co-ordinates, the values are split
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* across 2 registers, and an 8 bit Z value */
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#define TMA1217_FINGER_STATE 0x18 /* Finger State */
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#define TMA1217_FINGER1_X_HIGHER8 0x19 /* Higher 8 bit of X coordinate */
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#define TMA1217_FINGER1_Y_HIGHER8 0x1A /* Higher 8 bit of Y coordinate */
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#define TMA1217_FINGER1_XY_LOWER4 0x1B /* Lower 4 bits of X and Y */
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#define TMA1217_FINGER1_Z_VALUE 0x1D /* 8 bit Z value for finger 1 */
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#define TMA1217_FINGER2_X_HIGHER8 0x1E /* Higher 8 bit of X coordinate */
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#define TMA1217_FINGER2_Y_HIGHER8 0x1F /* Higher 8 bit of Y coordinate */
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#define TMA1217_FINGER2_XY_LOWER4 0x20 /* Lower 4 bits of X and Y */
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#define TMA1217_FINGER2_Z_VALUE 0x22 /* 8 bit Z value for finger 2 */
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#define TMA1217_DEVICE_CTRL 0x23 /* Device Control */
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#define TMA1217_INTERRUPT_ENABLE 0x24 /* Interrupt Enable */
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#define TMA1217_REPORT_MODE 0x2B /* Reporting Mode */
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#define TMA1217_MAX_X_LOWER8 0x31 /* Bit 0-7 for Max X */
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#define TMA1217_MAX_X_HIGHER4 0x32 /* Bit 8-11 for Max X */
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#define TMA1217_MAX_Y_LOWER8 0x33 /* Bit 0-7 for Max Y */
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#define TMA1217_MAX_Y_HIGHER4 0x34 /* Bit 8-11 for Max Y */
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#define TMA1217_DEVICE_CMD_RESET 0x67 /* Device CMD reg for reset */
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#define TMA1217_DEVICE_CMD_REZERO 0x69 /* Device CMD reg for rezero */
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#define TMA1217_MANUFACTURER_ID 0x73 /* Manufacturer Id */
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#define TMA1217_PRODUCT_FAMILY 0x75 /* Product Family */
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#define TMA1217_FIRMWARE_REVISION 0x76 /* Firmware Revision */
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#define TMA1217_SERIAL_NO_HIGH 0x7C /* Bit 8-15 of device serial no. */
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#define TMA1217_SERIAL_NO_LOW 0x7D /* Bit 0-7 of device serial no. */
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#define TMA1217_PRODUCT_ID_START 0x7E /* Start address for 10 byte ID */
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#define TMA1217_DEVICE_CAPABILITY 0x8B /* Reporting capability */
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/*
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* The touch position structure.
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*/
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struct touch_state {
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int x;
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int y;
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bool button;
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};
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/* Device Specific info given by the controller */
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struct cp_dev_info {
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u16 maxX;
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u16 maxY;
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};
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/* Vendor related info given by the controller */
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struct cp_vendor_info {
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u8 vendor_id;
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u8 product_family;
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u8 firmware_rev;
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u16 serial_no;
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};
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/*
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* Private structure to store the device details
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*/
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struct cp_tm1217_device {
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struct i2c_client *client;
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struct device *dev;
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struct cp_vendor_info vinfo;
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struct cp_dev_info dinfo;
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struct input_dev_info {
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char phys[32];
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char name[128];
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struct input_dev *input;
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struct touch_state touch;
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} cp_input_info[MAX_TOUCH_SUPPORTED];
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int thread_running;
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struct mutex thread_mutex;
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int gpio;
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};
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/* The following functions are used to read/write registers on the device
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* as per the RMI prorocol. Technically, a page select should be written
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* before doing read/write but since the register offsets are below 0xFF
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* we can use the default value of page which is 0x00
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*/
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static int cp_tm1217_read(struct cp_tm1217_device *ts,
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u8 *req, int size)
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{
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int i, retval;
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/* Send the address */
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retval = i2c_master_send(ts->client, &req[0], 1);
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if (retval != 1) {
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dev_err(ts->dev, "cp_tm1217: I2C send failed\n");
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return retval;
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}
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msleep(WAIT_FOR_RESPONSE);
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for (i = 0; i < MAX_RETRIES; i++) {
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retval = i2c_master_recv(ts->client, &req[1], size);
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if (retval == size)
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break;
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msleep(INCREMENTAL_DELAY);
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dev_dbg(ts->dev, "cp_tm1217: Retry count is %d\n", i);
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}
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if (retval != size)
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dev_err(ts->dev, "cp_tm1217: Read from device failed\n");
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return retval;
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}
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static int cp_tm1217_write(struct cp_tm1217_device *ts,
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u8 *req, int size)
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{
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int retval;
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/* Send the address and the data to be written */
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retval = i2c_master_send(ts->client, &req[0], size + 1);
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if (retval != size + 1) {
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dev_err(ts->dev, "cp_tm1217: I2C write failed: %d\n", retval);
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return retval;
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}
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/* Wait for the write to complete. TBD why this is required */
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msleep(WAIT_FOR_RESPONSE);
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return size;
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}
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static int cp_tm1217_mask_interrupt(struct cp_tm1217_device *ts)
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{
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u8 req[2];
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int retval;
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req[0] = TMA1217_INTERRUPT_ENABLE;
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req[1] = 0x0;
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retval = cp_tm1217_write(ts, req, 1);
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if (retval != 1)
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return -EIO;
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return 0;
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}
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static int cp_tm1217_unmask_interrupt(struct cp_tm1217_device *ts)
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{
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u8 req[2];
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int retval;
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req[0] = TMA1217_INTERRUPT_ENABLE;
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req[1] = 0xa;
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retval = cp_tm1217_write(ts, req, 1);
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if (retval != 1)
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return -EIO;
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return 0;
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}
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static void process_touch(struct cp_tm1217_device *ts, int index)
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{
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int retval;
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struct input_dev_info *input_info =
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(struct input_dev_info *)&ts->cp_input_info[index];
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u8 xy_data[6];
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if (index == 0)
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xy_data[0] = TMA1217_FINGER1_X_HIGHER8;
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else
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xy_data[0] = TMA1217_FINGER2_X_HIGHER8;
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retval = cp_tm1217_read(ts, xy_data, 5);
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if (retval < 5) {
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dev_err(ts->dev, "cp_tm1217: XY read from device failed\n");
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return;
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}
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/* Note: Currently not using the Z values but may be requried in
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the future. */
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input_info->touch.x = (xy_data[1] << 4)
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| (xy_data[3] & 0x0F);
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input_info->touch.y = (xy_data[2] << 4)
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| ((xy_data[3] & 0xF0) >> 4);
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input_report_abs(input_info->input, ABS_X, input_info->touch.x);
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input_report_abs(input_info->input, ABS_Y, input_info->touch.y);
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input_sync(input_info->input);
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}
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static void cp_tm1217_get_data(struct cp_tm1217_device *ts)
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{
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u8 req[2];
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int retval, i, finger_touched = 0;
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do {
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req[0] = TMA1217_FINGER_STATE;
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retval = cp_tm1217_read(ts, req, 1);
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if (retval != 1) {
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dev_err(ts->dev,
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"cp_tm1217: Read from device failed\n");
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continue;
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}
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finger_touched = 0;
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/* Start sampling until the pressure is below
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threshold */
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for (i = 0; i < TOUCH_SUPPORTED; i++) {
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if (req[1] & 0x3) {
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finger_touched++;
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if (ts->cp_input_info[i].touch.button == 0) {
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/* send the button touch event */
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input_report_key(
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ts->cp_input_info[i].input,
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BTN_TOUCH, 1);
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ts->cp_input_info[i].touch.button = 1;
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}
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process_touch(ts, i);
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} else {
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if (ts->cp_input_info[i].touch.button == 1) {
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/* send the button release event */
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input_report_key(
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ts->cp_input_info[i].input,
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BTN_TOUCH, 0);
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input_sync(ts->cp_input_info[i].input);
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ts->cp_input_info[i].touch.button = 0;
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}
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}
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req[1] = req[1] >> 2;
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}
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msleep(DELAY_BTWIN_SAMPLE);
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} while (finger_touched > 0);
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}
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static irqreturn_t cp_tm1217_sample_thread(int irq, void *handle)
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{
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struct cp_tm1217_device *ts = handle;
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u8 req[2];
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int retval;
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/* Chedk if another thread is already running */
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mutex_lock(&ts->thread_mutex);
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if (ts->thread_running == 1) {
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mutex_unlock(&ts->thread_mutex);
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return IRQ_HANDLED;
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}
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ts->thread_running = 1;
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mutex_unlock(&ts->thread_mutex);
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/* Mask the interrupts */
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retval = cp_tm1217_mask_interrupt(ts);
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/* Read the Interrupt Status register to find the cause of the
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Interrupt */
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req[0] = TMA1217_INT_STATUS;
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retval = cp_tm1217_read(ts, req, 1);
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if (retval != 1)
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goto exit_thread;
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if (!(req[1] & 0x8))
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goto exit_thread;
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cp_tm1217_get_data(ts);
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exit_thread:
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/* Unmask the interrupts before going to sleep */
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retval = cp_tm1217_unmask_interrupt(ts);
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mutex_lock(&ts->thread_mutex);
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ts->thread_running = 0;
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mutex_unlock(&ts->thread_mutex);
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return IRQ_HANDLED;
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}
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static int cp_tm1217_init_data(struct cp_tm1217_device *ts)
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{
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int retval;
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u8 req[2];
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/* Read the vendor id/ fw revision etc. Ignoring return check as this
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is non critical info */
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req[0] = TMA1217_MANUFACTURER_ID;
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retval = cp_tm1217_read(ts, req, 1);
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ts->vinfo.vendor_id = req[1];
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req[0] = TMA1217_PRODUCT_FAMILY;
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retval = cp_tm1217_read(ts, req, 1);
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ts->vinfo.product_family = req[1];
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req[0] = TMA1217_FIRMWARE_REVISION;
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retval = cp_tm1217_read(ts, req, 1);
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ts->vinfo.firmware_rev = req[1];
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req[0] = TMA1217_SERIAL_NO_HIGH;
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retval = cp_tm1217_read(ts, req, 1);
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ts->vinfo.serial_no = (req[1] << 8);
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req[0] = TMA1217_SERIAL_NO_LOW;
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retval = cp_tm1217_read(ts, req, 1);
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ts->vinfo.serial_no = ts->vinfo.serial_no | req[1];
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req[0] = TMA1217_MAX_X_HIGHER4;
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retval = cp_tm1217_read(ts, req, 1);
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ts->dinfo.maxX = (req[1] & 0xF) << 8;
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req[0] = TMA1217_MAX_X_LOWER8;
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retval = cp_tm1217_read(ts, req, 1);
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ts->dinfo.maxX = ts->dinfo.maxX | req[1];
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req[0] = TMA1217_MAX_Y_HIGHER4;
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retval = cp_tm1217_read(ts, req, 1);
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ts->dinfo.maxY = (req[1] & 0xF) << 8;
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req[0] = TMA1217_MAX_Y_LOWER8;
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retval = cp_tm1217_read(ts, req, 1);
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ts->dinfo.maxY = ts->dinfo.maxY | req[1];
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return 0;
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}
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/*
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* Set up a GPIO for use as the interrupt. We can't simply do this at
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* boot time because the GPIO drivers themselves may not be around at
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* boot/firmware set up time to do the work. Instead defer it to driver
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* detection.
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*/
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static int cp_tm1217_setup_gpio_irq(struct cp_tm1217_device *ts)
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{
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int retval;
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/* Hook up the irq handler */
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retval = gpio_request(ts->gpio, "cp_tm1217_touch");
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if (retval < 0) {
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dev_err(ts->dev, "cp_tm1217: GPIO request failed error %d\n",
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retval);
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return retval;
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}
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retval = gpio_direction_input(ts->gpio);
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if (retval < 0) {
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dev_err(ts->dev,
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"cp_tm1217: GPIO direction configuration failed, error %d\n",
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retval);
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gpio_free(ts->gpio);
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return retval;
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}
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retval = gpio_to_irq(ts->gpio);
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if (retval < 0) {
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dev_err(ts->dev,
|
||||
"cp_tm1217: GPIO to IRQ failed, error %d\n", retval);
|
||||
gpio_free(ts->gpio);
|
||||
}
|
||||
dev_dbg(ts->dev,
|
||||
"cp_tm1217: Got IRQ number is %d for GPIO %d\n",
|
||||
retval, ts->gpio);
|
||||
return retval;
|
||||
}
|
||||
|
||||
static int cp_tm1217_probe(struct i2c_client *client,
|
||||
const struct i2c_device_id *id)
|
||||
{
|
||||
struct cp_tm1217_device *ts;
|
||||
struct input_dev *input_dev;
|
||||
struct input_dev_info *input_info;
|
||||
struct cp_tm1217_platform_data *pdata;
|
||||
u8 req[2];
|
||||
int i, retval;
|
||||
|
||||
/* No pdata is fine - we then use "normal" IRQ mode */
|
||||
|
||||
pdata = client->dev.platform_data;
|
||||
|
||||
ts = kzalloc(sizeof(struct cp_tm1217_device), GFP_KERNEL);
|
||||
if (!ts)
|
||||
return -ENOMEM;
|
||||
|
||||
ts->client = client;
|
||||
ts->dev = &client->dev;
|
||||
i2c_set_clientdata(client, ts);
|
||||
|
||||
ts->thread_running = 0;
|
||||
mutex_init(&ts->thread_mutex);
|
||||
|
||||
/* Reset the Controller */
|
||||
req[0] = TMA1217_DEVICE_CMD_RESET;
|
||||
req[1] = 0x1;
|
||||
retval = cp_tm1217_write(ts, req, 1);
|
||||
if (retval != 1) {
|
||||
dev_err(ts->dev, "cp_tm1217: Controller reset failed\n");
|
||||
kfree(ts);
|
||||
return -EIO;
|
||||
}
|
||||
|
||||
/* Clear up the interrupt status from reset. */
|
||||
req[0] = TMA1217_INT_STATUS;
|
||||
retval = cp_tm1217_read(ts, req, 1);
|
||||
|
||||
/* Mask all the interrupts */
|
||||
retval = cp_tm1217_mask_interrupt(ts);
|
||||
if (retval) {
|
||||
dev_err(ts->dev, "failed to mask interrupts, error: %d\n",
|
||||
retval);
|
||||
kfree(ts);
|
||||
return retval;
|
||||
}
|
||||
|
||||
/* Read the controller information */
|
||||
cp_tm1217_init_data(ts);
|
||||
|
||||
/* The following code will register multiple event devices when
|
||||
multi-pointer is enabled, the code has not been tested
|
||||
with MPX */
|
||||
for (i = 0; i < TOUCH_SUPPORTED; i++) {
|
||||
input_dev = input_allocate_device();
|
||||
if (input_dev == NULL) {
|
||||
retval = -ENOMEM;
|
||||
goto fail;
|
||||
}
|
||||
input_info = &ts->cp_input_info[i];
|
||||
snprintf(input_info->name, sizeof(input_info->name),
|
||||
"cp_tm1217_touchscreen_%d", i);
|
||||
input_dev->name = input_info->name;
|
||||
snprintf(input_info->phys, sizeof(input_info->phys),
|
||||
"%s/input%d", dev_name(&client->dev), i);
|
||||
|
||||
input_dev->phys = input_info->phys;
|
||||
input_dev->id.bustype = BUS_I2C;
|
||||
|
||||
input_dev->evbit[0] = BIT_MASK(EV_KEY) | BIT_MASK(EV_ABS);
|
||||
input_dev->keybit[BIT_WORD(BTN_TOUCH)] = BIT_MASK(BTN_TOUCH);
|
||||
|
||||
input_set_abs_params(input_dev, ABS_X, 0, ts->dinfo.maxX, 0, 0);
|
||||
input_set_abs_params(input_dev, ABS_Y, 0, ts->dinfo.maxY, 0, 0);
|
||||
|
||||
retval = input_register_device(input_dev);
|
||||
if (retval) {
|
||||
dev_err(ts->dev,
|
||||
"Input dev registration failed for %s\n",
|
||||
input_dev->name);
|
||||
input_free_device(input_dev);
|
||||
goto fail;
|
||||
}
|
||||
input_info->input = input_dev;
|
||||
}
|
||||
|
||||
/* Setup the reporting mode to send an interrupt only when
|
||||
finger arrives or departs. */
|
||||
req[0] = TMA1217_REPORT_MODE;
|
||||
req[1] = 0x02;
|
||||
retval = cp_tm1217_write(ts, req, 1);
|
||||
|
||||
/* Setup the device to no sleep mode for now and make it configured */
|
||||
req[0] = TMA1217_DEVICE_CTRL;
|
||||
req[1] = 0x84;
|
||||
retval = cp_tm1217_write(ts, req, 1);
|
||||
|
||||
/* Check for the status of the device */
|
||||
req[0] = TMA1217_DEV_STATUS;
|
||||
retval = cp_tm1217_read(ts, req, 1);
|
||||
if (req[1] != 0) {
|
||||
dev_err(ts->dev,
|
||||
"cp_tm1217: Device Status 0x%x != 0: config failed\n",
|
||||
req[1]);
|
||||
|
||||
retval = -EIO;
|
||||
goto fail;
|
||||
}
|
||||
|
||||
if (pdata && pdata->gpio) {
|
||||
ts->gpio = pdata->gpio;
|
||||
retval = cp_tm1217_setup_gpio_irq(ts);
|
||||
} else
|
||||
retval = client->irq;
|
||||
|
||||
if (retval < 0) {
|
||||
dev_err(ts->dev, "cp_tm1217: GPIO request failed error %d\n",
|
||||
retval);
|
||||
goto fail;
|
||||
}
|
||||
|
||||
client->irq = retval;
|
||||
|
||||
|
||||
retval = request_threaded_irq(client->irq,
|
||||
NULL, cp_tm1217_sample_thread,
|
||||
IRQF_TRIGGER_FALLING, "cp_tm1217_touch", ts);
|
||||
if (retval < 0) {
|
||||
dev_err(ts->dev, "cp_tm1217: Request IRQ error %d\n", retval);
|
||||
goto fail_gpio;
|
||||
}
|
||||
|
||||
/* Unmask the interrupts */
|
||||
retval = cp_tm1217_unmask_interrupt(ts);
|
||||
if (retval == 0)
|
||||
return 0;
|
||||
|
||||
free_irq(client->irq, ts);
|
||||
fail_gpio:
|
||||
if (ts->gpio)
|
||||
gpio_free(ts->gpio);
|
||||
fail:
|
||||
/* Clean up before returning failure */
|
||||
for (i = 0; i < TOUCH_SUPPORTED; i++) {
|
||||
if (ts->cp_input_info[i].input)
|
||||
input_unregister_device(ts->cp_input_info[i].input);
|
||||
}
|
||||
kfree(ts);
|
||||
return retval;
|
||||
|
||||
}
|
||||
|
||||
#ifdef CONFIG_PM_SLEEP
|
||||
|
||||
/*
|
||||
* cp_tm1217 suspend
|
||||
*
|
||||
*/
|
||||
static int cp_tm1217_suspend(struct device *dev)
|
||||
{
|
||||
struct i2c_client *client = to_i2c_client(dev);
|
||||
struct cp_tm1217_device *ts = i2c_get_clientdata(client);
|
||||
u8 req[2];
|
||||
int retval;
|
||||
|
||||
/* Put the controller to sleep */
|
||||
req[0] = TMA1217_DEVICE_CTRL;
|
||||
retval = cp_tm1217_read(ts, req, 1);
|
||||
req[1] = (req[1] & 0xF8) | 0x1;
|
||||
retval = cp_tm1217_write(ts, req, 1);
|
||||
|
||||
if (device_may_wakeup(&client->dev))
|
||||
enable_irq_wake(client->irq);
|
||||
|
||||
return 0;
|
||||
}
|
||||
|
||||
/*
|
||||
* cp_tm1217_resume
|
||||
*
|
||||
*/
|
||||
static int cp_tm1217_resume(struct device *dev)
|
||||
{
|
||||
struct i2c_client *client = to_i2c_client(dev);
|
||||
struct cp_tm1217_device *ts = i2c_get_clientdata(client);
|
||||
u8 req[2];
|
||||
int retval;
|
||||
|
||||
/* Take the controller out of sleep */
|
||||
req[0] = TMA1217_DEVICE_CTRL;
|
||||
retval = cp_tm1217_read(ts, req, 1);
|
||||
req[1] = (req[1] & 0xF8) | 0x4;
|
||||
retval = cp_tm1217_write(ts, req, 1);
|
||||
|
||||
/* Restore the register settings sinc the power to the
|
||||
could have been cut off */
|
||||
|
||||
/* Setup the reporting mode to send an interrupt only when
|
||||
finger arrives or departs. */
|
||||
req[0] = TMA1217_REPORT_MODE;
|
||||
req[1] = 0x02;
|
||||
retval = cp_tm1217_write(ts, req, 1);
|
||||
|
||||
/* Setup the device to no sleep mode for now and make it configured */
|
||||
req[0] = TMA1217_DEVICE_CTRL;
|
||||
req[1] = 0x84;
|
||||
retval = cp_tm1217_write(ts, req, 1);
|
||||
|
||||
/* Setup the interrupt mask */
|
||||
retval = cp_tm1217_unmask_interrupt(ts);
|
||||
|
||||
if (device_may_wakeup(&client->dev))
|
||||
disable_irq_wake(client->irq);
|
||||
|
||||
return 0;
|
||||
}
|
||||
|
||||
#endif
|
||||
|
||||
static SIMPLE_DEV_PM_OPS(cp_tm1217_pm_ops, cp_tm1217_suspend,
|
||||
cp_tm1217_resume);
|
||||
|
||||
/*
|
||||
* cp_tm1217_remove
|
||||
*
|
||||
*/
|
||||
static int cp_tm1217_remove(struct i2c_client *client)
|
||||
{
|
||||
struct cp_tm1217_device *ts = i2c_get_clientdata(client);
|
||||
int i;
|
||||
|
||||
free_irq(client->irq, ts);
|
||||
if (ts->gpio)
|
||||
gpio_free(ts->gpio);
|
||||
for (i = 0; i < TOUCH_SUPPORTED; i++)
|
||||
input_unregister_device(ts->cp_input_info[i].input);
|
||||
kfree(ts);
|
||||
return 0;
|
||||
}
|
||||
|
||||
static struct i2c_device_id cp_tm1217_idtable[] = {
|
||||
{ CPTM1217_DEVICE_NAME, 0 },
|
||||
{ }
|
||||
};
|
||||
|
||||
MODULE_DEVICE_TABLE(i2c, cp_tm1217_idtable);
|
||||
|
||||
static struct i2c_driver cp_tm1217_driver = {
|
||||
.driver = {
|
||||
.owner = THIS_MODULE,
|
||||
.name = CPTM1217_DRIVER_NAME,
|
||||
.pm = &cp_tm1217_pm_ops,
|
||||
},
|
||||
.id_table = cp_tm1217_idtable,
|
||||
.probe = cp_tm1217_probe,
|
||||
.remove = cp_tm1217_remove,
|
||||
};
|
||||
|
||||
module_i2c_driver(cp_tm1217_driver);
|
||||
|
||||
MODULE_AUTHOR("Ramesh Agarwal <ramesh.agarwal@intel.com>");
|
||||
MODULE_DESCRIPTION("Synaptics TM1217 TouchScreen Driver");
|
||||
MODULE_LICENSE("GPL v2");
|
|
@ -1,8 +0,0 @@
|
|||
#ifndef __LINUX_I2C_CP_TM1217_H
|
||||
#define __LINUX_I2C_CP_TM1217_H
|
||||
|
||||
struct cp_tm1217_platform_data {
|
||||
int gpio; /* If not set uses the IRQ resource 0 */
|
||||
};
|
||||
|
||||
#endif
|
Loading…
Reference in a new issue