473 lines
11 KiB
C
473 lines
11 KiB
C
/*
|
|
* 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 */
|