| /* |
| * Copyright (C) 2009,2010 Imagination Technologies Limited. |
| * |
| * Quantum TouchScreen Controller driver. |
| */ |
| |
| #ifndef _INPUT_TS_QT5480_H |
| #define _INPUT_TS_QT5480_H |
| |
| #include <linux/ioctl.h> |
| |
| /* Our IOCTL family group */ |
| #define QT5480_IOCTL 'G' |
| |
| /* Send a Calibrate Command */ |
| #define QT5480_CALIBRATE _IOW(QT5480_IOCTL, 1, int) |
| |
| /* Switch ON / OFF the device */ |
| #define QT5480_POWER _IOW(QT5480_IOCTL, 2, int) |
| |
| /* Enable / Disable Debug tracking in the PDP Memory (TFT) */ |
| #define QT5480_DEBUG _IOW(QT5480_IOCTL, 3, int) |
| |
| /* Raw register access - not normally for general use! */ |
| |
| /* Read a single register */ |
| #define QT5480_GETREG _IOWR(QT5480_IOCTL, 4, struct ts_qt5480_frame) |
| /* Write a single register */ |
| #define QT5480_SETREG _IOWR(QT5480_IOCTL, 5, struct ts_qt5480_frame) |
| |
| /* touch-screen mapping data */ |
| typedef struct { |
| unsigned short x_sensor_res; |
| unsigned short x_screen_res; |
| unsigned short x_flip; |
| unsigned short x_sensor_size; |
| unsigned short x_screen_size; |
| short x_sensor_offset; |
| |
| unsigned short y_sensor_res; |
| unsigned short y_screen_res; |
| unsigned short y_flip; |
| unsigned short y_sensor_size; |
| unsigned short y_screen_size; |
| short y_sensor_offset; |
| |
| } ts_qt5480_mapping_t; |
| |
| /* register entry in the QT5480 configuration table */ |
| typedef struct { |
| unsigned char set; |
| unsigned char value; |
| } ts_qt5480_conf_reg_t; |
| |
| /* QT5xx0 registers */ |
| enum { |
| QT_CHIP_ID = 0, |
| QT_CODE_VERSION, |
| QT_CALIBRATE, |
| QT_RESET, |
| QT_BACKUP_REQUEST, |
| QT_ADDRESS_PTR, |
| QT_EEPROM_CHKSUM, |
| QT_KEY_STATUS_0 = 8, |
| QT_KEY_STATUS_4 = 12, |
| QT_GENERAL_STATUS_1 = 14, |
| QT_GENERAL_STATUS_2, |
| QT_TOUCHSCR_0_X, |
| QT_TOUCHSCR_0_Y = 18, |
| QT_TOUCHSCR_1_X = 20, |
| QT_SLIDER_0 = 20, |
| QT_TOUCHSCR_1_Y = 22, |
| QT_SLIDER_4 = 24, |
| QT_FORCE_SNS = 26, |
| QT_KEY_GATE_STATUS, |
| QT_TOUCH_0_GESTURE = 28, |
| QT_TOUCH_1_GESTURE = 32, |
| QT_RESERVED_1, |
| QT_CHAN_1_DELTA = 256, |
| QT_CHAN_1_REF = 352, |
| QT_RESERVED_2 = 448, |
| QT_KEY_CONTROL = 512, |
| QT_THRESHOLD = 560, |
| QT_BL = 608, |
| QT_LP_MODE = 656, |
| QT_MIN_CYC_TIME, |
| QT_AWAKE_TIMEOUT, |
| QT_TRIGGER_CONTROL, |
| QT_GUARD_KEY_ENABLE, |
| QT_TOUCHSCR_SETUP, |
| QT_TOUCHSCR_LEN, |
| QT_SLIDER_1_LEN = 662, |
| QT_TOUCHSCR_HYST = 668, |
| QT_SLIDER_1_HYST = 668, |
| QT_GPO_CONTROL = 674, |
| QT_NDRIFT, |
| QT_PDRIFT, |
| QT_NDIL, |
| QT_SDIL, |
| QT_NRD, |
| QT_DHT, |
| QT_FORCE_THRESH, |
| QT_CLIP_LIMIT_X, |
| QT_CLIP_LIMIT_Y, |
| QT_LIN_OFFSET_X, |
| QT_LIN_TABLE_X = 686, |
| QT_LIN_OFFSET_Y = 702, |
| QT_LIN_TABLE_Y = 704, |
| QT_BURST_CONTROL = 720, |
| QT_STATUS_MASK, |
| QT_POSITION_FILTER, |
| QT_TOUCH_SIZE_RES, |
| QT_TOUCHSCR_PLATEAU, |
| QT_SLEW_RATE, |
| QT_MED_FILT_LEN, |
| QT_SIG_IIR_CONTROL, |
| QT_TOUCHDOWN_POS_HYST, |
| QT_GEST_CONFIG = 734, |
| QT_TAP_TIMEOUT, |
| QT_DRAG_TIMEOUT, |
| QT_FLICK_TIMEOUT, |
| QT_PRESS_SHORT_TIMEOUT, |
| QT_PRESS_LONG_TIMEOUT, |
| QT_PRESS_RPT_TIMEOUT, |
| QT_FLICK_THR_LSB = 742, |
| QT_FLICK_THR_MSB, |
| QT_DRAG_THR_LSB, |
| QT_DRAG_THR_MSB, |
| |
| QT_MAX_REG = 748, |
| }; |
| |
| /* touch-screen frame */ |
| struct ts_qt5480_frame { |
| __le16 addr; |
| unsigned char data[5]; |
| int stat; |
| }; |
| |
| struct qt5480_platform_data { |
| /* Function to poll change status. */ |
| int (*poll_status)(void); |
| /* Physical mapping of the touch sensor. */ |
| ts_qt5480_mapping_t *phy_map; |
| /* Touch screen configuration. */ |
| ts_qt5480_conf_reg_t *config; |
| }; |
| |
| #endif |
