/*
* cyttsp4_core.h
* Cypress TrueTouch(TM) Standard Product V4 Core driver module.
* For use with Cypress Txx4xx parts.
* Supported parts include:
* TMA4XX
* TMA1036
*
* Copyright (C) 2012 Cypress Semiconductor
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License
* version 2, and only version 2, as published by the
* Free Software Foundation.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* Contact Cypress Semiconductor at www.cypress.com <ttdrivers@cypress.com>
*
*/
#ifndef _LINUX_CYTTSP4_CORE_H
#define _LINUX_CYTTSP4_CORE_H
#include <linux/device.h>
#include <linux/err.h>
#include <linux/input.h>
#include <linux/kernel.h>
#include <linux/limits.h>
#include <linux/module.h>
#include <linux/stringify.h>
#include <linux/types.h>
#include <linux/platform_data/cyttsp4.h>
#define CY_REG_BASE 0x00
#define CY_POST_CODEL_WDG_RST 0x01
#define CY_POST_CODEL_CFG_DATA_CRC_FAIL 0x02
#define CY_POST_CODEL_PANEL_TEST_FAIL 0x04
#define CY_NUM_BTN_PER_REG 4
/* touch record system information offset masks and shifts */
#define CY_BYTE_OFS_MASK 0x1F
#define CY_BOFS_MASK 0xE0
#define CY_BOFS_SHIFT 5
#define CY_TMA1036_TCH_REC_SIZE 6
#define CY_TMA4XX_TCH_REC_SIZE 9
#define CY_TMA1036_MAX_TCH 0x0E
#define CY_TMA4XX_MAX_TCH 0x1E
#define CY_NORMAL_ORIGIN 0 /* upper, left corner */
#define CY_INVERT_ORIGIN 1 /* lower, right corner */
/* helpers */
#define GET_NUM_TOUCHES(x) ((x) & 0x1F)
#define IS_LARGE_AREA(x) ((x) & 0x20)
#define IS_BAD_PKT(x) ((x) & 0x20)
#define IS_BOOTLOADER(hst_mode, reset_detect) \
((hst_mode) & 0x01 || (reset_detect) != 0)
#define IS_TMO(t) ((t) == 0)
enum cyttsp_cmd_bits {
CY_CMD_COMPLETE = (1 << 6),
};
/* Timeout in ms. */
#define CY_WATCHDOG_TIMEOUT 1000
#define CY_MAX_PRINT_SIZE 512
#ifdef VERBOSE_DEBUG
#define CY_MAX_PRBUF_SIZE PIPE_BUF
#define CY_PR_TRUNCATED " truncated..."
#endif
enum cyttsp4_ic_grpnum {
CY_IC_GRPNUM_RESERVED,
CY_IC_GRPNUM_CMD_REGS,
CY_IC_GRPNUM_TCH_REP,
CY_IC_GRPNUM_DATA_REC,
CY_IC_GRPNUM_TEST_REC,
CY_IC_GRPNUM_PCFG_REC,
CY_IC_GRPNUM_TCH_PARM_VAL,
CY_IC_GRPNUM_TCH_PARM_SIZE,
CY_IC_GRPNUM_RESERVED1,
CY_IC_GRPNUM_RESERVED2,
CY_IC_GRPNUM_OPCFG_REC,
CY_IC_GRPNUM_DDATA_REC,
CY_IC_GRPNUM_MDATA_REC,
CY_IC_GRPNUM_TEST_REGS,
CY_IC_GRPNUM_BTN_KEYS,
CY_IC_GRPNUM_TTHE_REGS,
CY_IC_GRPNUM_NUM
};
enum cyttsp4_int_state {
CY_INT_NONE,
CY_INT_IGNORE = (1 << 0),
CY_INT_MODE_CHANGE = (1 << 1),
CY_INT_EXEC_CMD = (1 << 2),
CY_INT_AWAKE = (1 << 3),
};
enum cyttsp4_mode {
CY_MODE_UNKNOWN,
CY_MODE_BOOTLOADER = (1 << 1),
CY_MODE_OPERATIONAL = (1 << 2),
CY_MODE_SYSINFO = (1 << 3),
CY_MODE_CAT = (1 << 4),
CY_MODE_STARTUP = (1 << 5),
CY_MODE_LOADER = (1 << 6),
CY_MODE_CHANGE_MODE = (1 << 7),
CY_MODE_CHANGED = (1 << 8),
CY_MODE_CMD_COMPLETE = (1 << 9),
};
enum cyttsp4_sleep_state {
SS_SLEEP_OFF,
SS_SLEEP_ON,
SS_SLEEPING,
SS_WAKING,
};
enum cyttsp4_startup_state {
STARTUP_NONE,
STARTUP_QUEUED,
STARTUP_RUNNING,
};
#define CY_NUM_REVCTRL 8
struct cyttsp4_cydata {
u8 ttpidh;
u8 ttpidl;
u8 fw_ver_major;
u8 fw_ver_minor;
u8 revctrl[CY_NUM_REVCTRL];
u8 blver_major;
u8 blver_minor;
u8 jtag_si_id3;
u8 jtag_si_id2;
u8 jtag_si_id1;
u8 jtag_si_id0;
u8 mfgid_sz;
u8 cyito_idh;
u8 cyito_idl;
u8 cyito_verh;
u8 cyito_verl;
u8 ttsp_ver_major;
u8 ttsp_ver_minor;
u8 device_info;
u8 mfg_id[];
} __packed;
struct cyttsp4_test {
u8 post_codeh;
u8 post_codel;
} __packed;
struct cyttsp4_pcfg {
u8 electrodes_x;
u8 electrodes_y;
u8 len_xh;
u8 len_xl;
u8 len_yh;
u8 len_yl;
u8 res_xh;
u8 res_xl;
u8 res_yh;
u8 res_yl;
u8 max_zh;
u8 max_zl;
u8 panel_info0;
} __packed;
struct cyttsp4_tch_rec_params {
u8 loc;
u8 size;
} __packed;
#define CY_NUM_TCH_FIELDS 7
#define CY_NUM_EXT_TCH_FIELDS 3
struct cyttsp4_opcfg {
u8 cmd_ofs;
u8 rep_ofs;
u8 rep_szh;
u8 rep_szl;
u8 num_btns;
u8 tt_stat_ofs;
u8 obj_cfg0;
u8 max_tchs;
u8 tch_rec_size;
struct cyttsp4_tch_rec_params tch_rec_old[CY_NUM_TCH_FIELDS];
u8 btn_rec_size; /* btn record size (in bytes) */
u8 btn_diff_ofs; /* btn data loc, diff counts */
u8 btn_diff_size; /* btn size of diff counts (in bits) */
struct cyttsp4_tch_rec_params tch_rec_new[CY_NUM_EXT_TCH_FIELDS];
} __packed;
struct cyttsp4_sysinfo_ptr {
struct cyttsp4_cydata *cydata;
struct cyttsp4_test *test;
struct cyttsp4_pcfg *pcfg;
struct cyttsp4_opcfg *opcfg;
struct cyttsp4_ddata *ddata;
struct cyttsp4_mdata *mdata;
} __packed;
struct cyttsp4_sysinfo_data {
u8 hst_mode;
u8 reserved;
u8 map_szh;
u8 map_szl;
u8 cydata_ofsh;
u8 cydata_ofsl;
u8 test_ofsh;
u8 test_ofsl;
u8 pcfg_ofsh;
u8 pcfg_ofsl;
u8 opcfg_ofsh;
u8 opcfg_ofsl;
u8 ddata_ofsh;
u8 ddata_ofsl;
u8 mdata_ofsh;
u8 mdata_ofsl;
} __packed;
enum cyttsp4_tch_abs { /* for ordering within the extracted touch data array */
CY_TCH_X, /* X */
CY_TCH_Y, /* Y */
CY_TCH_P, /* P (Z) */
CY_TCH_T, /* TOUCH ID */
CY_TCH_E, /* EVENT ID */
CY_TCH_O, /* OBJECT ID */
CY_TCH_W, /* SIZE */
CY_TCH_MAJ, /* TOUCH_MAJOR */
CY_TCH_MIN, /* TOUCH_MINOR */
CY_TCH_OR, /* ORIENTATION */
CY_TCH_NUM_ABS
};
static const char * const cyttsp4_tch_abs_string[] = {
[CY_TCH_X] = "X",
[CY_TCH_Y] = "Y",
[CY_TCH_P] = "P",
[CY_TCH_T] = "T",
[CY_TCH_E] = "E",
[CY_TCH_O] = "O",
[CY_TCH_W] = "W",
[CY_TCH_MAJ] = "MAJ",
[CY_TCH_MIN] = "MIN",
[CY_TCH_OR] = "OR",
[CY_TCH_NUM_ABS] = "INVALID"
};
struct cyttsp4_touch {
int abs[CY_TCH_NUM_ABS];
};
struct cyttsp4_tch_abs_params {
size_t ofs; /* abs byte offset */
size_t size; /* size in bits */
size_t max; /* max value */
size_t bofs; /* bit offset */
};
struct cyttsp4_sysinfo_ofs {
size_t chip_type;
size_t cmd_ofs;
size_t rep_ofs;
size_t rep_sz;
size_t num_btns;
size_t num_btn_regs; /* ceil(num_btns/4) */
size_t tt_stat_ofs;
size_t tch_rec_size;
size_t obj_cfg0;
size_t max_tchs;
size_t mode_size;
size_t data_size;
size_t map_sz;
size_t max_x;
size_t x_origin; /* left or right corner */
size_t max_y;
size_t y_origin; /* upper or lower corner */
size_t max_p;
size_t cydata_ofs;
size_t test_ofs;
size_t pcfg_ofs;
size_t opcfg_ofs;
size_t ddata_ofs;
size_t mdata_ofs;
size_t cydata_size;
size_t test_size;
size_t pcfg_size;
size_t opcfg_size;
size_t ddata_size;
size_t mdata_size;
size_t btn_keys_size;
struct cyttsp4_tch_abs_params tch_abs[CY_TCH_NUM_ABS];
size_t btn_rec_size; /* btn record size (in bytes) */
size_t btn_diff_ofs;/* btn data loc ,diff counts, (Op-Mode byte ofs) */
size_t btn_diff_size;/* btn size of diff counts (in bits) */
};
enum cyttsp4_btn_state {
CY_BTN_RELEASED,
CY_BTN_PRESSED,
CY_BTN_NUM_STATE
};
struct cyttsp4_btn {
bool enabled;
int state; /* CY_BTN_PRESSED, CY_BTN_RELEASED */
int key_code;
};
struct cyttsp4_sysinfo {
bool ready;
struct cyttsp4_sysinfo_data si_data;
struct cyttsp4_sysinfo_ptr si_ptrs;
struct cyttsp4_sysinfo_ofs si_ofs;
struct cyttsp4_btn *btn; /* button states */
u8 *btn_rec_data; /* button diff count data */
u8 *xy_mode; /* operational mode and status regs */
u8 *xy_data; /* operational touch regs */
};
struct cyttsp4_mt_data {
struct cyttsp4_mt_platform_data *pdata;
struct cyttsp4_sysinfo *si;
struct input_dev *input;
struct mutex report_lock;
bool is_suspended;
char phys[NAME_MAX];
int num_prv_tch;
};
struct cyttsp4 {
struct device *dev;
struct mutex system_lock;
struct mutex adap_lock;
enum cyttsp4_mode mode;
enum cyttsp4_sleep_state sleep_state;
enum cyttsp4_startup_state startup_state;
int int_status;
wait_queue_head_t wait_q;
int irq;
struct work_struct startup_work;
struct work_struct watchdog_work;
struct timer_list watchdog_timer;
struct cyttsp4_sysinfo sysinfo;
void *exclusive_dev;
int exclusive_waits;
atomic_t ignore_irq;
bool invalid_touch_app;
struct cyttsp4_mt_data md;
struct cyttsp4_platform_data *pdata;
struct cyttsp4_core_platform_data *cpdata;
const struct cyttsp4_bus_ops *bus_ops;
u8 *xfer_buf;
#ifdef VERBOSE_DEBUG
u8 pr_buf[CY_MAX_PRBUF_SIZE];
#endif
};
struct cyttsp4_bus_ops {
u16 bustype;
int (*write)(struct device *dev, u8 *xfer_buf, u16 addr, u8 length,
const void *values);
int (*read)(struct device *dev, u8 *xfer_buf, u16 addr, u8 length,
void *values);
};
enum cyttsp4_hst_mode_bits {
CY_HST_TOGGLE = (1 << 7),
CY_HST_MODE_CHANGE = (1 << 3),
CY_HST_MODE = (7 << 4),
CY_HST_OPERATE = (0 << 4),
CY_HST_SYSINFO = (1 << 4),
CY_HST_CAT = (2 << 4),
CY_HST_LOWPOW = (1 << 2),
CY_HST_SLEEP = (1 << 1),
CY_HST_RESET = (1 << 0),
};
/* abs settings */
#define CY_IGNORE_VALUE 0xFFFF
/* abs signal capabilities offsets in the frameworks array */
enum cyttsp4_sig_caps {
CY_SIGNAL_OST,
CY_MIN_OST,
CY_MAX_OST,
CY_FUZZ_OST,
CY_FLAT_OST,
CY_NUM_ABS_SET /* number of signal capability fields */
};
/* abs axis signal offsets in the framworks array */
enum cyttsp4_sig_ost {
CY_ABS_X_OST,
CY_ABS_Y_OST,
CY_ABS_P_OST,
CY_ABS_W_OST,
CY_ABS_ID_OST,
CY_ABS_MAJ_OST,
CY_ABS_MIN_OST,
CY_ABS_OR_OST,
CY_NUM_ABS_OST /* number of abs signals */
};
enum cyttsp4_flags {
CY_FLAG_NONE = 0x00,
CY_FLAG_HOVER = 0x04,
CY_FLAG_FLIP = 0x08,
CY_FLAG_INV_X = 0x10,
CY_FLAG_INV_Y = 0x20,
CY_FLAG_VKEYS = 0x40,
};
enum cyttsp4_object_id {
CY_OBJ_STANDARD_FINGER,
CY_OBJ_LARGE_OBJECT,
CY_OBJ_STYLUS,
CY_OBJ_HOVER,
};
enum cyttsp4_event_id {
CY_EV_NO_EVENT,
CY_EV_TOUCHDOWN,
CY_EV_MOVE, /* significant displacement (> act dist) */
CY_EV_LIFTOFF, /* record reports last position */
};
/* x-axis resolution of panel in pixels */
#define CY_PCFG_RESOLUTION_X_MASK 0x7F
/* y-axis resolution of panel in pixels */
#define CY_PCFG_RESOLUTION_Y_MASK 0x7F
/* x-axis, 0:origin is on left side of panel, 1: right */
#define CY_PCFG_ORIGIN_X_MASK 0x80
/* y-axis, 0:origin is on top side of panel, 1: bottom */
#define CY_PCFG_ORIGIN_Y_MASK 0x80
static inline int cyttsp4_adap_read(struct cyttsp4 *ts, u16 addr, int size,
void *buf)
{
return ts->bus_ops->read(ts->dev, ts->xfer_buf, addr, size, buf);
}
static inline int cyttsp4_adap_write(struct cyttsp4 *ts, u16 addr, int size,
const void *buf)
{
return ts->bus_ops->write(ts->dev, ts->xfer_buf, addr, size, buf);
}
extern struct cyttsp4 *cyttsp4_probe(const struct cyttsp4_bus_ops *ops,
struct device *dev, u16 irq, size_t xfer_buf_size);
extern int cyttsp4_remove(struct cyttsp4 *ts);
int cyttsp_i2c_write_block_data(struct device *dev, u8 *xfer_buf, u16 addr,
u8 length, const void *values);
int cyttsp_i2c_read_block_data(struct device *dev, u8 *xfer_buf, u16 addr,
u8 length, void *values);
extern const struct dev_pm_ops cyttsp4_pm_ops;
#endif /* _LINUX_CYTTSP4_CORE_H */
