diff options
Diffstat (limited to 'drivers/input/touchscreen/atmxt.h')
| -rw-r--r-- | drivers/input/touchscreen/atmxt.h | 186 |
1 files changed, 186 insertions, 0 deletions
diff --git a/drivers/input/touchscreen/atmxt.h b/drivers/input/touchscreen/atmxt.h new file mode 100644 index 00000000000..3711ef5180f --- /dev/null +++ b/drivers/input/touchscreen/atmxt.h @@ -0,0 +1,186 @@ +/* + * Copyright (C) 2010-2012 Motorola Mobility, Inc. + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License 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. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA + * 02111-1307, USA + */ + +/* Local header for Atmel maXTouch touchscreens that uses tdat files */ +#ifndef _LINUX_ATMXT_H +#define _LINUX_ATMXT_H + +#include <linux/types.h> +#include <linux/input/touch_platform.h> +#include <linux/i2c.h> +#include <linux/input.h> +#include <linux/mutex.h> +#ifdef CONFIG_HAS_EARLYSUSPEND +#include <linux/earlysuspend.h> +#endif + +#define ATMXT_DRIVER_VERSION "YN-04-01" +#define ATMXT_DRIVER_DATE "2012-06-28" + +#ifdef CONFIG_TOUCHSCREEN_DEBUG +#define atmxt_dbg(dd, level, format, args...) \ +{\ + if ((dd->dbg->dbg_lvl) >= level) \ + printk(KERN_INFO format, ## args); \ +} +#else +#define atmxt_dbg(dd, level, format, args...) {} +#endif + +#define ATMXT_DBG0 0 +#define ATMXT_DBG1 1 +#define ATMXT_DBG2 2 +#define ATMXT_DBG3 3 + +#define ATMXT_IRQ_ENABLED_FLAG 0 +#define ATMXT_WAITING_FOR_TDAT 1 +#define ATMXT_CHECKSUM_FAILED 2 +#define ATMXT_IGNORE_CHECKSUM 3 +#define ATMXT_REPORT_TOUCHES 4 +#define ATMXT_FIXING_CALIBRATION 5 +#define ATMXT_RECEIVED_CALIBRATION 6 +#define ATMXT_RESTART_REQUIRED 7 +#define ATMXT_SET_MESSAGE_POINTER 8 + +#define ATMXT_I2C_ATTEMPTS 10 +#define ATMXT_I2C_WAIT_TIME 50 +#define ATMXT_MAX_TOUCHES 10 +#define ATMXT_ABS_RESERVED 0xFFFF +#define ATMXT_IC_RESET_HOLD_TIME 1000 + + +enum atmxt_driver_state { + ATMXT_DRV_ACTIVE, + ATMXT_DRV_IDLE, + ATMXT_DRV_REFLASH, + ATMXT_DRV_INIT, +}; +static const char * const atmxt_driver_state_string[] = { + "ACTIVE", + "IDLE", + "REFLASH", + "INIT", +}; + +enum atmxt_ic_state { + ATMXT_IC_ACTIVE, + ATMXT_IC_SLEEP, + ATMXT_IC_UNKNOWN, + ATMXT_IC_BOOTLOADER, + ATMXT_IC_PRESENT, +}; +static const char * const atmxt_ic_state_string[] = { + "ACTIVE", + "SLEEP", + "UNKNOWN", + "BOOTLOADER", + "PRESENT", +}; + + +struct atmxt_util_data { + uint8_t *data; + size_t size; + uint8_t *tsett; + uint32_t tsett_size; + uint8_t *fw; + uint32_t fw_size; + uint8_t addr[2]; +} __packed; + +struct atmxt_nvm { + uint8_t *data; + uint16_t size; + uint8_t addr[2]; + uint8_t chksum[3]; +} __packed; + +struct atmxt_info_block { + uint8_t header[7]; + uint8_t *data; + uint8_t size; + uint8_t *msg_id; + uint8_t id_size; +} __packed; + +struct atmxt_addr { + uint8_t msg[2]; + uint8_t pwr[2]; + uint8_t rst[2]; + uint8_t nvm[2]; + uint8_t cal[2]; + uint8_t acq[2]; +} __packed; + +struct atmxt_data { + uint8_t pwr[2]; + uint8_t max_msg_size; + uint8_t touch_id_offset; + bool res[2]; + uint8_t acq[6]; + unsigned long timer; + uint8_t last_stat; +} __packed; + +struct atmxt_touch_data { + bool active; + uint16_t x; + uint16_t y; + uint8_t p; + uint8_t w; + uint8_t id; +} __packed; + +struct atmxt_report_data { + uint16_t axis[5]; + uint8_t active_touches; + struct atmxt_touch_data tchdat[ATMXT_MAX_TOUCHES]; +} __packed; + +struct atmxt_debug { + uint8_t dbg_lvl; + uint8_t grp_num; + uint8_t grp_off; +} __packed; + + +struct atmxt_driver_data { + struct touch_platform_data *pdata; + struct atmxt_util_data *util; + struct i2c_client *client; + struct mutex *mutex; + struct input_dev *in_dev; +#ifdef CONFIG_HAS_EARLYSUSPEND + struct early_suspend es; +#endif + + enum atmxt_driver_state drv_stat; + enum atmxt_ic_state ic_stat; + + struct atmxt_info_block *info_blk; + struct atmxt_nvm *nvm; + struct atmxt_addr *addr; + struct atmxt_data *data; + struct atmxt_report_data *rdat; + struct atmxt_debug *dbg; + + uint16_t status; + uint16_t settings; +} __packed; + +#endif /* _LINUX_ATMXT_H */ |