316 lines
7.6 KiB
C
316 lines
7.6 KiB
C
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#ifndef _LINUX_WACOM_I2C_H
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#define _LINUX_WACOM_I2C_H
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#include <linux/module.h>
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#include <linux/init.h>
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#include <linux/kernel.h>
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#include <linux/input.h>
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#include <linux/i2c.h>
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#include <linux/interrupt.h>
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#include <linux/slab.h>
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#include <linux/hrtimer.h>
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#include <linux/gpio.h>
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#include <linux/irq.h>
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#include <linux/delay.h>
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#include <linux/wakelock.h>
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#include <linux/uaccess.h>
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#include <linux/of_gpio.h>
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#ifdef CONFIG_HAS_EARLYSUSPEND
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#include <linux/earlysuspend.h>
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#endif
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#ifdef CONFIG_INPUT_BOOSTER
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#include <linux/input/input_booster.h>
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#endif
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#include <linux/regulator/consumer.h>
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/*
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* Wacom Interrupt Name
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*/
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#define WACOM_DEVICE_NAME "wacom_i2c"
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#define WACOM_INTERRUPT_NAME "wacom_irq"
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#define WACOM_PDCT_NAME "wacom_pdct"
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#define WACOM_PEN_INSERT_NAME "wacom_pen_insert"
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/*
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* Support feature for THIS Module
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*/
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#define WACOM_PDCT_WORK_AROUND
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#define WACOM_HAVE_FWE_PIN
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#define WACOM_USE_SOFTKEY
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#define COOR_WORK_AROUND
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#define WACOM_UMS_UPDATE
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#define WACOM_USE_GAIN
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#define BATTERY_SAVING_MODE
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#define WACOM_CONNECTION_CHECK
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/*#define WACOM_PEN_DETECT*/
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/*#define WACOM_MAINSCREEN_DISABLE*/
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/*
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#ifdef BATTERY_SAVING_MODE
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#ifndef WACOM_PEN_DETECT
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#define WACOM_PEN_DETECT
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#endif
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#endif
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*/
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/* wacom region : touch region, touchkey region,
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* HW team request : block touchkey event between touch release ~ 100msec.
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*/
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#define USE_WACOM_BLOCK_KEYEVENT
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#ifdef CONFIG_WACOM_LCD_FREQ_COMPENSATE
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/* NOISE from LDI. read Vsync at wacom firmware. */
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#define USE_WACOM_LCD_WORKAROUND
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#endif
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/* Report Tilt X, Tilt Y for calculate degree and orientation
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* Report Hover Height for using SPEN SDK
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*/
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#define USE_WACOM_TILT_HEIGH
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/* for reduce query waiting time.
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* before : send QUERY command, delay 100 msec, receive QUERY data(14 byte).
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* after : receive 24 or 26 byte data, upper 12~14 data is garbage or coordinate data,
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* lower 14 byte is QUERY data.
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*/
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#undef USE_REDUCE_QUERY_TIME
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/* Wacom Firmware Update Path, Firmware name */
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#define WACOM_MAX_FW_PATH 64
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#define WACOM_FW_NAME_NONE NULL
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#define WACOM_UMS_FW_PATH "/sdcard/firmware/wacom_firm.bin"
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/* { 0x1F, 0xAA, 0xBB, 0xCC, 0xDD} : 0x1F is fixed value. */
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#ifdef CONFIG_SEC_TRLTE_PROJECT
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#if defined(CONFIG_MACH_TRLTE_ATT) || defined(CONFIG_MACH_TRLTE_TMO)
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#define WACOM_FW_NAME_W9012 "epen/W9012_tr.bin"
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#define WACOM_FW_CHECKSUM { 0x1F, 0xEE, 0x3C, 0x80, 0x41, } /* ver 0x0237 */
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#else
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#define WACOM_FW_NAME_W9012 "epen/W9012_tr_239.bin"
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#define WACOM_FW_CHECKSUM { 0x1F, 0x76, 0x4E, 0x9B, 0x88, } /* ver 0x0239 */
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#endif
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#undef USE_REDUCE_QUERY_TIME
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#else // CONFIG_SEC_TBLTE_PROJECT
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#define WACOM_FW_NAME_W9012 "epen/W9012_tb.bin"
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#define WACOM_FW_CHECKSUM { 0x1F, 0x0C, 0xF6, 0x6C, 0x4A, } /* ver 0x024B */
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#undef USE_REDUCE_QUERY_TIME
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#endif
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/* Wacom Command */
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#define COM_READ_ALL_DATA_LENGTH 28
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#define NUM_OF_UNNECESSARY_DATA 14
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#define COM_COORD_NUM 12
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#define COM_QUERY_NUM 14
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#define COM_SAMPLERATE_STOP 0x30
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#define COM_SAMPLERATE_40 0x33
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#define COM_SAMPLERATE_80 0x32
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#define COM_SAMPLERATE_133 0x31
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#define COM_SURVEYSCAN 0x2B
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#define COM_QUERY 0x2A
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#define COM_FLASH 0xff
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#define COM_CHECKSUM 0x63
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/* Wacom coord information size in device tree */
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#define WACOM_COORDS_ARR_SIZE 9
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/* Wacom I2C address for digitizer and its boot loader */
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#define WACOM_I2C_ADDR 0x56
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#define WACOM_I2C_BOOT 0x09
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#define WACOM_I2C_9001_BOOT 0x57
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#define WACOM_I2C_STOP 0x30
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#define WACOM_I2C_START 0x31
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#define WACOM_I2C_GRID_CHECK 0xC9
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#define WACOM_STATUS 0xD8
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/* Wacom PDCT Signal */
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#define PDCT_NOSIGNAL 1
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#define PDCT_DETECT_PEN 0
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/* Wacom origin offset : This will be removed. Firmware supported */
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#define EPEN_B660_ORG_X 456
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#define EPEN_B660_ORG_Y 504
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#define EPEN_B713_ORG_X 676
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#define EPEN_B713_ORG_Y 724
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/*HWID to distinguish Detect Switch*/
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#define WACOM_DETECT_SWITCH_HWID 0xFFFF
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/*HWID to distinguish FWE1*/
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#define WACOM_FWE1_HWID 0xFFFF
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/*HWID to distinguish B911 Digitizer*/
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#define WACOM_DTYPE_B911_HWID 1
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/* Sampling Rate / Report rate */
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#define SAMPLING_RATE_120HZ 0x31
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#define SAMPLING_RATE_80HZ 0x32
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#define SAMPLING_RATE_40HZ 0x33
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#define SAMPLING_RATE_NOT_DEFINED 0
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/* Wacom data read from QUERY */
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struct wacom_query_data {
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int x_max;
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int y_max;
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int pressure_max;
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char comstat;
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u8 data[COM_COORD_NUM];
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unsigned int fw_version_ic;
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unsigned int fw_version_bin;
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int firm_update_status;
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int tiltx_max;
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int tilty_max;
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int height_max;
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unsigned char mpu_type;
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unsigned char bootloader_ver;
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};
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/* Wacom data read from DEVICETREE */
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struct wacom_devicetree_data {
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/* using dts feature */
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const char *basic_model;
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bool i2c_pull_up;
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int gpio_int;
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u32 irq_gpio_flags;
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int gpio_sda;
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u32 sda_gpio_flags;
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int gpio_scl;
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u32 scl_gpio_flags;
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int vdd_en;
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int gpio_pen_reset_n;
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u32 pen_reset_n_gpio_flags;
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int gpio_pen_fwe1;
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u32 pen_fwe1_gpio_flags;
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int gpio_pen_pdct;
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u32 pen_pdct_gpio_flags;
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int x_invert;
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int y_invert;
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int xy_switch;
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int min_x;
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int max_x;
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int min_y;
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int max_y;
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int max_pressure;
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int min_pressure;
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int gpio_pendct;
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u32 ic_mpu_ver;
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u32 irq_flags;
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u32 wacom_firmup_flag;
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/* using dts feature */
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int gpio_pen_insert;
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};
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/*Parameters for i2c driver*/
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struct wacom_i2c {
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struct i2c_client *client;
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struct i2c_client *client_boot;
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struct input_dev *input_dev;
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#ifdef CONFIG_HAS_EARLYSUSPEND
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struct early_suspend early_suspend;
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#endif
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struct mutex lock;
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struct mutex irq_lock;
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#ifdef WACOM_BOOSTER
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struct input_booster *wacom_booster;
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#endif
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unsigned char * fw_data;
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bool ums_binary;
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struct device *dev;
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int irq;
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#ifdef WACOM_PDCT_WORK_AROUND
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int irq_pdct;
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#endif
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int pen_pdct;
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int gpio;
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int irq_flag;
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int pen_prox;
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int pen_pressed;
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int side_pressed;
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int tool;
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s16 last_x;
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s16 last_y;
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unsigned char sampling_rate;
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#ifdef WACOM_PEN_DETECT
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int irq_pen_insert;
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struct delayed_work pen_insert_dwork;
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bool pen_insert;
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int gpio_pen_insert;
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#endif
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int invert_pen_insert;
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#ifdef WACOM_HAVE_FWE_PIN
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int gpio_fwe;
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bool have_fwe_pin;
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#endif
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bool checksum_result;
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struct wacom_query_data *wac_query_data;
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struct wacom_devicetree_data *wac_dt_data;
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int (*power)(int on);
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struct delayed_work resume_work;
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#ifdef BATTERY_SAVING_MODE
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bool battery_saving_mode;
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#endif
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bool power_enable;
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bool boot_mode;
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bool query_status;
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int ic_mpu_ver;
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int boot_ver;
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bool init_fail;
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#ifdef USE_WACOM_LCD_WORKAROUND
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unsigned int vsync;
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struct delayed_work read_vsync_work;
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struct delayed_work boot_done_work;
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bool wait_done;
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bool boot_done;
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unsigned int delay_time;
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#endif
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#ifdef USE_WACOM_BLOCK_KEYEVENT
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struct delayed_work touch_pressed_work;
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unsigned int key_delay_time;
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bool touchkey_skipped;
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bool touch_pressed;
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#endif
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bool enabled;
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#ifdef WACOM_HAVE_FWE_PIN
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void (*compulsory_flash_mode)(struct wacom_i2c *, bool);
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#endif
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int (*reset_platform_hw)(struct wacom_i2c *);
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int (*wacom_start)(struct wacom_i2c *);
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int (*wacom_stop)(struct wacom_i2c *);
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int (*wacom_i2c_send)(struct wacom_i2c *,
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const char *, int , bool);
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int (*wacom_i2c_recv)(struct wacom_i2c *,
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char *, int, bool);
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int (*wacom_i2c_query)(struct wacom_i2c *);
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void (*wacom_i2c_disable)(struct wacom_i2c *);
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void (*wacom_i2c_enable)(struct wacom_i2c *);
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void (*wacom_enable_irq)(struct wacom_i2c *, bool);
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struct wake_lock wakelock_pen_insert;
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struct wake_lock wakelock;
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};
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extern struct class *sec_class;
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/*extern unsigned int system_rev;*/
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extern int boot_mode_recovery;
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#ifdef CONFIG_SAMSUNG_LPM_MODE
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extern int poweroff_charging;
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#endif
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#ifdef USE_WACOM_LCD_WORKAROUND
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extern int ldi_fps(unsigned int input_fps);
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#endif
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extern int wacom_factory_probe(struct device *dev);
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extern void wacom_factory_release(struct device *dev);
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extern int get_lcd_attached(void);
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extern int wacom_i2c_modecheck(struct wacom_i2c *wac_i2c);
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#endif /* _LINUX_WACOM_I2C_H */
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