mirror of
https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git
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d69f0a43c6
Use the newly added helper in relevant input drivers. Signed-off-by: Andrzej Pietrasiewicz <andrzej.p@collabora.com> Link: https://lore.kernel.org/r/20200608112211.12125-3-andrzej.p@collabora.com Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
2910 lines
83 KiB
C
2910 lines
83 KiB
C
/*
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* Cypress APA trackpad with I2C interface
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*
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* Author: Dudley Du <dudl@cypress.com>
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*
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* Copyright (C) 2014-2015 Cypress Semiconductor, Inc.
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*
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* This file is subject to the terms and conditions of the GNU General Public
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* License. See the file COPYING in the main directory of this archive for
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* more details.
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*/
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#include <linux/delay.h>
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#include <linux/i2c.h>
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#include <linux/input.h>
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#include <linux/input/mt.h>
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#include <linux/mutex.h>
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#include <linux/completion.h>
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#include <linux/slab.h>
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#include <asm/unaligned.h>
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#include <linux/crc-itu-t.h>
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#include <linux/pm_runtime.h>
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#include "cyapa.h"
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/* Macro of TSG firmware image */
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#define CYAPA_TSG_FLASH_MAP_BLOCK_SIZE 0x80
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#define CYAPA_TSG_IMG_FW_HDR_SIZE 13
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#define CYAPA_TSG_FW_ROW_SIZE (CYAPA_TSG_FLASH_MAP_BLOCK_SIZE)
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#define CYAPA_TSG_IMG_START_ROW_NUM 0x002e
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#define CYAPA_TSG_IMG_END_ROW_NUM 0x01fe
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#define CYAPA_TSG_IMG_APP_INTEGRITY_ROW_NUM 0x01ff
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#define CYAPA_TSG_IMG_MAX_RECORDS (CYAPA_TSG_IMG_END_ROW_NUM - \
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CYAPA_TSG_IMG_START_ROW_NUM + 1 + 1)
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#define CYAPA_TSG_IMG_READ_SIZE (CYAPA_TSG_FLASH_MAP_BLOCK_SIZE / 2)
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#define CYAPA_TSG_START_OF_APPLICATION 0x1700
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#define CYAPA_TSG_APP_INTEGRITY_SIZE 60
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#define CYAPA_TSG_FLASH_MAP_METADATA_SIZE 60
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#define CYAPA_TSG_BL_KEY_SIZE 8
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#define CYAPA_TSG_MAX_CMD_SIZE 256
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/* Macro of PIP interface */
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#define PIP_BL_INITIATE_RESP_LEN 11
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#define PIP_BL_FAIL_EXIT_RESP_LEN 11
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#define PIP_BL_FAIL_EXIT_STATUS_CODE 0x0c
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#define PIP_BL_VERIFY_INTEGRITY_RESP_LEN 12
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#define PIP_BL_INTEGRITY_CHEKC_PASS 0x00
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#define PIP_BL_BLOCK_WRITE_RESP_LEN 11
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#define PIP_TOUCH_REPORT_ID 0x01
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#define PIP_BTN_REPORT_ID 0x03
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#define PIP_WAKEUP_EVENT_REPORT_ID 0x04
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#define PIP_PUSH_BTN_REPORT_ID 0x06
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#define GEN5_OLD_PUSH_BTN_REPORT_ID 0x05 /* Special for old Gen5 TP. */
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#define PIP_PROXIMITY_REPORT_ID 0x07
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#define PIP_PROXIMITY_REPORT_SIZE 6
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#define PIP_PROXIMITY_DISTANCE_OFFSET 0x05
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#define PIP_PROXIMITY_DISTANCE_MASK 0x01
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#define PIP_TOUCH_REPORT_HEAD_SIZE 7
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#define PIP_TOUCH_REPORT_MAX_SIZE 127
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#define PIP_BTN_REPORT_HEAD_SIZE 6
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#define PIP_BTN_REPORT_MAX_SIZE 14
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#define PIP_WAKEUP_EVENT_SIZE 4
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#define PIP_NUMBER_OF_TOUCH_OFFSET 5
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#define PIP_NUMBER_OF_TOUCH_MASK 0x1f
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#define PIP_BUTTONS_OFFSET 5
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#define PIP_BUTTONS_MASK 0x0f
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#define PIP_GET_EVENT_ID(reg) (((reg) >> 5) & 0x03)
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#define PIP_GET_TOUCH_ID(reg) ((reg) & 0x1f)
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#define PIP_TOUCH_TYPE_FINGER 0x00
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#define PIP_TOUCH_TYPE_PROXIMITY 0x01
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#define PIP_TOUCH_TYPE_HOVER 0x02
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#define PIP_GET_TOUCH_TYPE(reg) ((reg) & 0x07)
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#define RECORD_EVENT_NONE 0
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#define RECORD_EVENT_TOUCHDOWN 1
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#define RECORD_EVENT_DISPLACE 2
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#define RECORD_EVENT_LIFTOFF 3
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#define PIP_SENSING_MODE_MUTUAL_CAP_FINE 0x00
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#define PIP_SENSING_MODE_SELF_CAP 0x02
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#define PIP_SET_PROXIMITY 0x49
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/* Macro of Gen5 */
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#define GEN5_BL_MAX_OUTPUT_LENGTH 0x0100
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#define GEN5_APP_MAX_OUTPUT_LENGTH 0x00fe
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#define GEN5_POWER_STATE_ACTIVE 0x01
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#define GEN5_POWER_STATE_LOOK_FOR_TOUCH 0x02
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#define GEN5_POWER_STATE_READY 0x03
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#define GEN5_POWER_STATE_IDLE 0x04
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#define GEN5_POWER_STATE_BTN_ONLY 0x05
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#define GEN5_POWER_STATE_OFF 0x06
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#define GEN5_POWER_READY_MAX_INTRVL_TIME 50 /* Unit: ms */
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#define GEN5_POWER_IDLE_MAX_INTRVL_TIME 250 /* Unit: ms */
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#define GEN5_CMD_GET_PARAMETER 0x05
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#define GEN5_CMD_SET_PARAMETER 0x06
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#define GEN5_PARAMETER_ACT_INTERVL_ID 0x4d
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#define GEN5_PARAMETER_ACT_INTERVL_SIZE 1
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#define GEN5_PARAMETER_ACT_LFT_INTERVL_ID 0x4f
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#define GEN5_PARAMETER_ACT_LFT_INTERVL_SIZE 2
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#define GEN5_PARAMETER_LP_INTRVL_ID 0x4c
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#define GEN5_PARAMETER_LP_INTRVL_SIZE 2
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#define GEN5_PARAMETER_DISABLE_PIP_REPORT 0x08
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#define GEN5_BL_REPORT_DESCRIPTOR_SIZE 0x1d
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#define GEN5_BL_REPORT_DESCRIPTOR_ID 0xfe
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#define GEN5_APP_REPORT_DESCRIPTOR_SIZE 0xee
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#define GEN5_APP_CONTRACT_REPORT_DESCRIPTOR_SIZE 0xfa
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#define GEN5_APP_REPORT_DESCRIPTOR_ID 0xf6
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#define GEN5_RETRIEVE_MUTUAL_PWC_DATA 0x00
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#define GEN5_RETRIEVE_SELF_CAP_PWC_DATA 0x01
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#define GEN5_RETRIEVE_DATA_ELEMENT_SIZE_MASK 0x07
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#define GEN5_CMD_EXECUTE_PANEL_SCAN 0x2a
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#define GEN5_CMD_RETRIEVE_PANEL_SCAN 0x2b
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#define GEN5_PANEL_SCAN_MUTUAL_RAW_DATA 0x00
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#define GEN5_PANEL_SCAN_MUTUAL_BASELINE 0x01
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#define GEN5_PANEL_SCAN_MUTUAL_DIFFCOUNT 0x02
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#define GEN5_PANEL_SCAN_SELF_RAW_DATA 0x03
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#define GEN5_PANEL_SCAN_SELF_BASELINE 0x04
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#define GEN5_PANEL_SCAN_SELF_DIFFCOUNT 0x05
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/* The offset only valid for retrieve PWC and panel scan commands */
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#define GEN5_RESP_DATA_STRUCTURE_OFFSET 10
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#define GEN5_PWC_DATA_ELEMENT_SIZE_MASK 0x07
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struct cyapa_pip_touch_record {
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/*
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* Bit 7 - 3: reserved
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* Bit 2 - 0: touch type;
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* 0 : standard finger;
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* 1 : proximity (Start supported in Gen5 TP).
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* 2 : finger hover (defined, but not used yet.)
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* 3 - 15 : reserved.
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*/
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u8 touch_type;
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/*
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* Bit 7: indicates touch liftoff status.
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* 0 : touch is currently on the panel.
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* 1 : touch record indicates a liftoff.
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* Bit 6 - 5: indicates an event associated with this touch instance
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* 0 : no event
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* 1 : touchdown
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* 2 : significant displacement (> active distance)
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* 3 : liftoff (record reports last known coordinates)
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* Bit 4 - 0: An arbitrary ID tag associated with a finger
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* to allow tracking a touch as it moves around the panel.
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*/
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u8 touch_tip_event_id;
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/* Bit 7 - 0 of X-axis coordinate of the touch in pixel. */
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u8 x_lo;
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/* Bit 15 - 8 of X-axis coordinate of the touch in pixel. */
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u8 x_hi;
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/* Bit 7 - 0 of Y-axis coordinate of the touch in pixel. */
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u8 y_lo;
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/* Bit 15 - 8 of Y-axis coordinate of the touch in pixel. */
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u8 y_hi;
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/*
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* The meaning of this value is different when touch_type is different.
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* For standard finger type:
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* Touch intensity in counts, pressure value.
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* For proximity type (Start supported in Gen5 TP):
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* The distance, in surface units, between the contact and
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* the surface.
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**/
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u8 z;
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/*
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* The length of the major axis of the ellipse of contact between
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* the finger and the panel (ABS_MT_TOUCH_MAJOR).
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*/
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u8 major_axis_len;
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/*
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* The length of the minor axis of the ellipse of contact between
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* the finger and the panel (ABS_MT_TOUCH_MINOR).
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*/
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u8 minor_axis_len;
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/*
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* The length of the major axis of the approaching tool.
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* (ABS_MT_WIDTH_MAJOR)
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*/
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u8 major_tool_len;
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/*
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* The length of the minor axis of the approaching tool.
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* (ABS_MT_WIDTH_MINOR)
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*/
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u8 minor_tool_len;
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/*
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* The angle between the panel vertical axis and
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* the major axis of the contact ellipse. This value is an 8-bit
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* signed integer. The range is -127 to +127 (corresponding to
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* -90 degree and +90 degree respectively).
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* The positive direction is clockwise from the vertical axis.
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* If the ellipse of contact degenerates into a circle,
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* orientation is reported as 0.
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*/
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u8 orientation;
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} __packed;
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struct cyapa_pip_report_data {
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u8 report_head[PIP_TOUCH_REPORT_HEAD_SIZE];
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struct cyapa_pip_touch_record touch_records[10];
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} __packed;
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struct cyapa_tsg_bin_image_head {
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u8 head_size; /* Unit: bytes, including itself. */
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u8 ttda_driver_major_version; /* Reserved as 0. */
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u8 ttda_driver_minor_version; /* Reserved as 0. */
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u8 fw_major_version;
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u8 fw_minor_version;
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u8 fw_revision_control_number[8];
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u8 silicon_id_hi;
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u8 silicon_id_lo;
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u8 chip_revision;
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u8 family_id;
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u8 bl_ver_maj;
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u8 bl_ver_min;
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} __packed;
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struct cyapa_tsg_bin_image_data_record {
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u8 flash_array_id;
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__be16 row_number;
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/* The number of bytes of flash data contained in this record. */
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__be16 record_len;
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/* The flash program data. */
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u8 record_data[CYAPA_TSG_FW_ROW_SIZE];
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} __packed;
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struct cyapa_tsg_bin_image {
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struct cyapa_tsg_bin_image_head image_head;
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struct cyapa_tsg_bin_image_data_record records[];
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} __packed;
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struct pip_bl_packet_start {
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u8 sop; /* Start of packet, must be 01h */
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u8 cmd_code;
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__le16 data_length; /* Size of data parameter start from data[0] */
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} __packed;
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struct pip_bl_packet_end {
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__le16 crc;
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u8 eop; /* End of packet, must be 17h */
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} __packed;
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struct pip_bl_cmd_head {
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__le16 addr; /* Output report register address, must be 0004h */
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/* Size of packet not including output report register address */
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__le16 length;
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u8 report_id; /* Bootloader output report id, must be 40h */
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u8 rsvd; /* Reserved, must be 0 */
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struct pip_bl_packet_start packet_start;
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u8 data[]; /* Command data variable based on commands */
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} __packed;
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/* Initiate bootload command data structure. */
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struct pip_bl_initiate_cmd_data {
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/* Key must be "A5h 01h 02h 03h FFh FEh FDh 5Ah" */
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u8 key[CYAPA_TSG_BL_KEY_SIZE];
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u8 metadata_raw_parameter[CYAPA_TSG_FLASH_MAP_METADATA_SIZE];
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__le16 metadata_crc;
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} __packed;
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struct tsg_bl_metadata_row_params {
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__le16 size;
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__le16 maximum_size;
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__le32 app_start;
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__le16 app_len;
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__le16 app_crc;
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__le32 app_entry;
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__le32 upgrade_start;
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__le16 upgrade_len;
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__le16 entry_row_crc;
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u8 padding[36]; /* Padding data must be 0 */
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__le16 metadata_crc; /* CRC starts at offset of 60 */
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} __packed;
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/* Bootload program and verify row command data structure */
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struct tsg_bl_flash_row_head {
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u8 flash_array_id;
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__le16 flash_row_id;
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u8 flash_data[];
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} __packed;
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struct pip_app_cmd_head {
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__le16 addr; /* Output report register address, must be 0004h */
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/* Size of packet not including output report register address */
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__le16 length;
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u8 report_id; /* Application output report id, must be 2Fh */
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u8 rsvd; /* Reserved, must be 0 */
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/*
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* Bit 7: reserved, must be 0.
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* Bit 6-0: command code.
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*/
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u8 cmd_code;
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u8 parameter_data[]; /* Parameter data variable based on cmd_code */
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} __packed;
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/* Application get/set parameter command data structure */
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struct gen5_app_set_parameter_data {
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u8 parameter_id;
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u8 parameter_size;
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__le32 value;
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} __packed;
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struct gen5_app_get_parameter_data {
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u8 parameter_id;
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} __packed;
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struct gen5_retrieve_panel_scan_data {
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__le16 read_offset;
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__le16 read_elements;
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u8 data_id;
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} __packed;
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u8 pip_read_sys_info[] = { 0x04, 0x00, 0x05, 0x00, 0x2f, 0x00, 0x02 };
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u8 pip_bl_read_app_info[] = { 0x04, 0x00, 0x0b, 0x00, 0x40, 0x00,
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0x01, 0x3c, 0x00, 0x00, 0xb0, 0x42, 0x17
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};
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static u8 cyapa_pip_bl_cmd_key[] = { 0xa5, 0x01, 0x02, 0x03,
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0xff, 0xfe, 0xfd, 0x5a };
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static int cyapa_pip_event_process(struct cyapa *cyapa,
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struct cyapa_pip_report_data *report_data);
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int cyapa_pip_cmd_state_initialize(struct cyapa *cyapa)
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{
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struct cyapa_pip_cmd_states *pip = &cyapa->cmd_states.pip;
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init_completion(&pip->cmd_ready);
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atomic_set(&pip->cmd_issued, 0);
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mutex_init(&pip->cmd_lock);
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mutex_init(&pip->pm_stage_lock);
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pip->pm_stage = CYAPA_PM_DEACTIVE;
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pip->resp_sort_func = NULL;
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pip->in_progress_cmd = PIP_INVALID_CMD;
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pip->resp_data = NULL;
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pip->resp_len = NULL;
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cyapa->dev_pwr_mode = UNINIT_PWR_MODE;
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cyapa->dev_sleep_time = UNINIT_SLEEP_TIME;
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return 0;
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}
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/* Return negative errno, or else the number of bytes read. */
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ssize_t cyapa_i2c_pip_read(struct cyapa *cyapa, u8 *buf, size_t size)
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{
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int ret;
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if (size == 0)
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return 0;
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if (!buf || size > CYAPA_REG_MAP_SIZE)
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return -EINVAL;
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ret = i2c_master_recv(cyapa->client, buf, size);
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if (ret != size)
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return (ret < 0) ? ret : -EIO;
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return size;
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}
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/*
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* Return a negative errno code else zero on success.
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*/
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ssize_t cyapa_i2c_pip_write(struct cyapa *cyapa, u8 *buf, size_t size)
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{
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int ret;
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if (!buf || !size)
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return -EINVAL;
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ret = i2c_master_send(cyapa->client, buf, size);
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if (ret != size)
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return (ret < 0) ? ret : -EIO;
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return 0;
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}
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static void cyapa_set_pip_pm_state(struct cyapa *cyapa,
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enum cyapa_pm_stage pm_stage)
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{
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struct cyapa_pip_cmd_states *pip = &cyapa->cmd_states.pip;
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mutex_lock(&pip->pm_stage_lock);
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pip->pm_stage = pm_stage;
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mutex_unlock(&pip->pm_stage_lock);
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}
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static void cyapa_reset_pip_pm_state(struct cyapa *cyapa)
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{
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struct cyapa_pip_cmd_states *pip = &cyapa->cmd_states.pip;
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/* Indicates the pip->pm_stage is not valid. */
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mutex_lock(&pip->pm_stage_lock);
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pip->pm_stage = CYAPA_PM_DEACTIVE;
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mutex_unlock(&pip->pm_stage_lock);
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}
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static enum cyapa_pm_stage cyapa_get_pip_pm_state(struct cyapa *cyapa)
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{
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struct cyapa_pip_cmd_states *pip = &cyapa->cmd_states.pip;
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enum cyapa_pm_stage pm_stage;
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mutex_lock(&pip->pm_stage_lock);
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pm_stage = pip->pm_stage;
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mutex_unlock(&pip->pm_stage_lock);
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return pm_stage;
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}
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/*
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* This function is aimed to dump all not read data in Gen5 trackpad
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* before send any command, otherwise, the interrupt line will be blocked.
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*/
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int cyapa_empty_pip_output_data(struct cyapa *cyapa,
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u8 *buf, int *len, cb_sort func)
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{
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struct input_dev *input = cyapa->input;
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struct cyapa_pip_cmd_states *pip = &cyapa->cmd_states.pip;
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enum cyapa_pm_stage pm_stage = cyapa_get_pip_pm_state(cyapa);
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int length;
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int report_count;
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int empty_count;
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int buf_len;
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int error;
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buf_len = 0;
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if (len) {
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buf_len = (*len < CYAPA_REG_MAP_SIZE) ?
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*len : CYAPA_REG_MAP_SIZE;
|
|
*len = 0;
|
|
}
|
|
|
|
report_count = 8; /* max 7 pending data before command response data */
|
|
empty_count = 0;
|
|
do {
|
|
/*
|
|
* Depending on testing in cyapa driver, there are max 5 "02 00"
|
|
* packets between two valid buffered data report in firmware.
|
|
* So in order to dump all buffered data out and
|
|
* make interrupt line release for reassert again,
|
|
* we must set the empty_count check value bigger than 5 to
|
|
* make it work. Otherwise, in some situation,
|
|
* the interrupt line may unable to reactive again,
|
|
* which will cause trackpad device unable to
|
|
* report data any more.
|
|
* for example, it may happen in EFT and ESD testing.
|
|
*/
|
|
if (empty_count > 5)
|
|
return 0;
|
|
|
|
error = cyapa_i2c_pip_read(cyapa, pip->empty_buf,
|
|
PIP_RESP_LENGTH_SIZE);
|
|
if (error < 0)
|
|
return error;
|
|
|
|
length = get_unaligned_le16(pip->empty_buf);
|
|
if (length == PIP_RESP_LENGTH_SIZE) {
|
|
empty_count++;
|
|
continue;
|
|
} else if (length > CYAPA_REG_MAP_SIZE) {
|
|
/* Should not happen */
|
|
return -EINVAL;
|
|
} else if (length == 0) {
|
|
/* Application or bootloader launch data polled out. */
|
|
length = PIP_RESP_LENGTH_SIZE;
|
|
if (buf && buf_len && func &&
|
|
func(cyapa, pip->empty_buf, length)) {
|
|
length = min(buf_len, length);
|
|
memcpy(buf, pip->empty_buf, length);
|
|
*len = length;
|
|
/* Response found, success. */
|
|
return 0;
|
|
}
|
|
continue;
|
|
}
|
|
|
|
error = cyapa_i2c_pip_read(cyapa, pip->empty_buf, length);
|
|
if (error < 0)
|
|
return error;
|
|
|
|
report_count--;
|
|
empty_count = 0;
|
|
length = get_unaligned_le16(pip->empty_buf);
|
|
if (length <= PIP_RESP_LENGTH_SIZE) {
|
|
empty_count++;
|
|
} else if (buf && buf_len && func &&
|
|
func(cyapa, pip->empty_buf, length)) {
|
|
length = min(buf_len, length);
|
|
memcpy(buf, pip->empty_buf, length);
|
|
*len = length;
|
|
/* Response found, success. */
|
|
return 0;
|
|
} else if (cyapa->operational &&
|
|
input && input_device_enabled(input) &&
|
|
(pm_stage == CYAPA_PM_RUNTIME_RESUME ||
|
|
pm_stage == CYAPA_PM_RUNTIME_SUSPEND)) {
|
|
/* Parse the data and report it if it's valid. */
|
|
cyapa_pip_event_process(cyapa,
|
|
(struct cyapa_pip_report_data *)pip->empty_buf);
|
|
}
|
|
|
|
error = -EINVAL;
|
|
} while (report_count);
|
|
|
|
return error;
|
|
}
|
|
|
|
static int cyapa_do_i2c_pip_cmd_irq_sync(
|
|
struct cyapa *cyapa,
|
|
u8 *cmd, size_t cmd_len,
|
|
unsigned long timeout)
|
|
{
|
|
struct cyapa_pip_cmd_states *pip = &cyapa->cmd_states.pip;
|
|
int error;
|
|
|
|
/* Wait for interrupt to set ready completion */
|
|
init_completion(&pip->cmd_ready);
|
|
|
|
atomic_inc(&pip->cmd_issued);
|
|
error = cyapa_i2c_pip_write(cyapa, cmd, cmd_len);
|
|
if (error) {
|
|
atomic_dec(&pip->cmd_issued);
|
|
return (error < 0) ? error : -EIO;
|
|
}
|
|
|
|
/* Wait for interrupt to indicate command is completed. */
|
|
timeout = wait_for_completion_timeout(&pip->cmd_ready,
|
|
msecs_to_jiffies(timeout));
|
|
if (timeout == 0) {
|
|
atomic_dec(&pip->cmd_issued);
|
|
return -ETIMEDOUT;
|
|
}
|
|
|
|
return 0;
|
|
}
|
|
|
|
static int cyapa_do_i2c_pip_cmd_polling(
|
|
struct cyapa *cyapa,
|
|
u8 *cmd, size_t cmd_len,
|
|
u8 *resp_data, int *resp_len,
|
|
unsigned long timeout,
|
|
cb_sort func)
|
|
{
|
|
struct cyapa_pip_cmd_states *pip = &cyapa->cmd_states.pip;
|
|
int tries;
|
|
int length;
|
|
int error;
|
|
|
|
atomic_inc(&pip->cmd_issued);
|
|
error = cyapa_i2c_pip_write(cyapa, cmd, cmd_len);
|
|
if (error) {
|
|
atomic_dec(&pip->cmd_issued);
|
|
return error < 0 ? error : -EIO;
|
|
}
|
|
|
|
length = resp_len ? *resp_len : 0;
|
|
if (resp_data && resp_len && length != 0 && func) {
|
|
tries = timeout / 5;
|
|
do {
|
|
usleep_range(3000, 5000);
|
|
*resp_len = length;
|
|
error = cyapa_empty_pip_output_data(cyapa,
|
|
resp_data, resp_len, func);
|
|
if (error || *resp_len == 0)
|
|
continue;
|
|
else
|
|
break;
|
|
} while (--tries > 0);
|
|
if ((error || *resp_len == 0) || tries <= 0)
|
|
error = error ? error : -ETIMEDOUT;
|
|
}
|
|
|
|
atomic_dec(&pip->cmd_issued);
|
|
return error;
|
|
}
|
|
|
|
int cyapa_i2c_pip_cmd_irq_sync(
|
|
struct cyapa *cyapa,
|
|
u8 *cmd, int cmd_len,
|
|
u8 *resp_data, int *resp_len,
|
|
unsigned long timeout,
|
|
cb_sort func,
|
|
bool irq_mode)
|
|
{
|
|
struct cyapa_pip_cmd_states *pip = &cyapa->cmd_states.pip;
|
|
int error;
|
|
|
|
if (!cmd || !cmd_len)
|
|
return -EINVAL;
|
|
|
|
/* Commands must be serialized. */
|
|
error = mutex_lock_interruptible(&pip->cmd_lock);
|
|
if (error)
|
|
return error;
|
|
|
|
pip->resp_sort_func = func;
|
|
pip->resp_data = resp_data;
|
|
pip->resp_len = resp_len;
|
|
|
|
if (cmd_len >= PIP_MIN_APP_CMD_LENGTH &&
|
|
cmd[4] == PIP_APP_CMD_REPORT_ID) {
|
|
/* Application command */
|
|
pip->in_progress_cmd = cmd[6] & 0x7f;
|
|
} else if (cmd_len >= PIP_MIN_BL_CMD_LENGTH &&
|
|
cmd[4] == PIP_BL_CMD_REPORT_ID) {
|
|
/* Bootloader command */
|
|
pip->in_progress_cmd = cmd[7];
|
|
}
|
|
|
|
/* Send command data, wait and read output response data's length. */
|
|
if (irq_mode) {
|
|
pip->is_irq_mode = true;
|
|
error = cyapa_do_i2c_pip_cmd_irq_sync(cyapa, cmd, cmd_len,
|
|
timeout);
|
|
if (error == -ETIMEDOUT && resp_data &&
|
|
resp_len && *resp_len != 0 && func) {
|
|
/*
|
|
* For some old version, there was no interrupt for
|
|
* the command response data, so need to poll here
|
|
* to try to get the response data.
|
|
*/
|
|
error = cyapa_empty_pip_output_data(cyapa,
|
|
resp_data, resp_len, func);
|
|
if (error || *resp_len == 0)
|
|
error = error ? error : -ETIMEDOUT;
|
|
}
|
|
} else {
|
|
pip->is_irq_mode = false;
|
|
error = cyapa_do_i2c_pip_cmd_polling(cyapa, cmd, cmd_len,
|
|
resp_data, resp_len, timeout, func);
|
|
}
|
|
|
|
pip->resp_sort_func = NULL;
|
|
pip->resp_data = NULL;
|
|
pip->resp_len = NULL;
|
|
pip->in_progress_cmd = PIP_INVALID_CMD;
|
|
|
|
mutex_unlock(&pip->cmd_lock);
|
|
return error;
|
|
}
|
|
|
|
bool cyapa_sort_tsg_pip_bl_resp_data(struct cyapa *cyapa,
|
|
u8 *data, int len)
|
|
{
|
|
if (!data || len < PIP_MIN_BL_RESP_LENGTH)
|
|
return false;
|
|
|
|
/* Bootloader input report id 30h */
|
|
if (data[PIP_RESP_REPORT_ID_OFFSET] == PIP_BL_RESP_REPORT_ID &&
|
|
data[PIP_RESP_RSVD_OFFSET] == PIP_RESP_RSVD_KEY &&
|
|
data[PIP_RESP_BL_SOP_OFFSET] == PIP_SOP_KEY)
|
|
return true;
|
|
|
|
return false;
|
|
}
|
|
|
|
bool cyapa_sort_tsg_pip_app_resp_data(struct cyapa *cyapa,
|
|
u8 *data, int len)
|
|
{
|
|
struct cyapa_pip_cmd_states *pip = &cyapa->cmd_states.pip;
|
|
int resp_len;
|
|
|
|
if (!data || len < PIP_MIN_APP_RESP_LENGTH)
|
|
return false;
|
|
|
|
if (data[PIP_RESP_REPORT_ID_OFFSET] == PIP_APP_RESP_REPORT_ID &&
|
|
data[PIP_RESP_RSVD_OFFSET] == PIP_RESP_RSVD_KEY) {
|
|
resp_len = get_unaligned_le16(&data[PIP_RESP_LENGTH_OFFSET]);
|
|
if (GET_PIP_CMD_CODE(data[PIP_RESP_APP_CMD_OFFSET]) == 0x00 &&
|
|
resp_len == PIP_UNSUPPORTED_CMD_RESP_LENGTH &&
|
|
data[5] == pip->in_progress_cmd) {
|
|
/* Unsupported command code */
|
|
return false;
|
|
} else if (GET_PIP_CMD_CODE(data[PIP_RESP_APP_CMD_OFFSET]) ==
|
|
pip->in_progress_cmd) {
|
|
/* Correct command response received */
|
|
return true;
|
|
}
|
|
}
|
|
|
|
return false;
|
|
}
|
|
|
|
static bool cyapa_sort_pip_application_launch_data(struct cyapa *cyapa,
|
|
u8 *buf, int len)
|
|
{
|
|
if (buf == NULL || len < PIP_RESP_LENGTH_SIZE)
|
|
return false;
|
|
|
|
/*
|
|
* After reset or power on, trackpad device always sets to 0x00 0x00
|
|
* to indicate a reset or power on event.
|
|
*/
|
|
if (buf[0] == 0 && buf[1] == 0)
|
|
return true;
|
|
|
|
return false;
|
|
}
|
|
|
|
static bool cyapa_sort_gen5_hid_descriptor_data(struct cyapa *cyapa,
|
|
u8 *buf, int len)
|
|
{
|
|
int resp_len;
|
|
int max_output_len;
|
|
|
|
/* Check hid descriptor. */
|
|
if (len != PIP_HID_DESCRIPTOR_SIZE)
|
|
return false;
|
|
|
|
resp_len = get_unaligned_le16(&buf[PIP_RESP_LENGTH_OFFSET]);
|
|
max_output_len = get_unaligned_le16(&buf[16]);
|
|
if (resp_len == PIP_HID_DESCRIPTOR_SIZE) {
|
|
if (buf[PIP_RESP_REPORT_ID_OFFSET] == PIP_HID_BL_REPORT_ID &&
|
|
max_output_len == GEN5_BL_MAX_OUTPUT_LENGTH) {
|
|
/* BL mode HID Descriptor */
|
|
return true;
|
|
} else if ((buf[PIP_RESP_REPORT_ID_OFFSET] ==
|
|
PIP_HID_APP_REPORT_ID) &&
|
|
max_output_len == GEN5_APP_MAX_OUTPUT_LENGTH) {
|
|
/* APP mode HID Descriptor */
|
|
return true;
|
|
}
|
|
}
|
|
|
|
return false;
|
|
}
|
|
|
|
static bool cyapa_sort_pip_deep_sleep_data(struct cyapa *cyapa,
|
|
u8 *buf, int len)
|
|
{
|
|
if (len == PIP_DEEP_SLEEP_RESP_LENGTH &&
|
|
buf[PIP_RESP_REPORT_ID_OFFSET] ==
|
|
PIP_APP_DEEP_SLEEP_REPORT_ID &&
|
|
(buf[4] & PIP_DEEP_SLEEP_OPCODE_MASK) ==
|
|
PIP_DEEP_SLEEP_OPCODE)
|
|
return true;
|
|
return false;
|
|
}
|
|
|
|
static int gen5_idle_state_parse(struct cyapa *cyapa)
|
|
{
|
|
u8 resp_data[PIP_HID_DESCRIPTOR_SIZE];
|
|
int max_output_len;
|
|
int length;
|
|
u8 cmd[2];
|
|
int ret;
|
|
int error;
|
|
|
|
/*
|
|
* Dump all buffered data firstly for the situation
|
|
* when the trackpad is just power on the cyapa go here.
|
|
*/
|
|
cyapa_empty_pip_output_data(cyapa, NULL, NULL, NULL);
|
|
|
|
memset(resp_data, 0, sizeof(resp_data));
|
|
ret = cyapa_i2c_pip_read(cyapa, resp_data, 3);
|
|
if (ret != 3)
|
|
return ret < 0 ? ret : -EIO;
|
|
|
|
length = get_unaligned_le16(&resp_data[PIP_RESP_LENGTH_OFFSET]);
|
|
if (length == PIP_RESP_LENGTH_SIZE) {
|
|
/* Normal state of Gen5 with no data to response */
|
|
cyapa->gen = CYAPA_GEN5;
|
|
|
|
cyapa_empty_pip_output_data(cyapa, NULL, NULL, NULL);
|
|
|
|
/* Read description from trackpad device */
|
|
cmd[0] = 0x01;
|
|
cmd[1] = 0x00;
|
|
length = PIP_HID_DESCRIPTOR_SIZE;
|
|
error = cyapa_i2c_pip_cmd_irq_sync(cyapa,
|
|
cmd, PIP_RESP_LENGTH_SIZE,
|
|
resp_data, &length,
|
|
300,
|
|
cyapa_sort_gen5_hid_descriptor_data,
|
|
false);
|
|
if (error)
|
|
return error;
|
|
|
|
length = get_unaligned_le16(
|
|
&resp_data[PIP_RESP_LENGTH_OFFSET]);
|
|
max_output_len = get_unaligned_le16(&resp_data[16]);
|
|
if ((length == PIP_HID_DESCRIPTOR_SIZE ||
|
|
length == PIP_RESP_LENGTH_SIZE) &&
|
|
(resp_data[PIP_RESP_REPORT_ID_OFFSET] ==
|
|
PIP_HID_BL_REPORT_ID) &&
|
|
max_output_len == GEN5_BL_MAX_OUTPUT_LENGTH) {
|
|
/* BL mode HID Description read */
|
|
cyapa->state = CYAPA_STATE_GEN5_BL;
|
|
} else if ((length == PIP_HID_DESCRIPTOR_SIZE ||
|
|
length == PIP_RESP_LENGTH_SIZE) &&
|
|
(resp_data[PIP_RESP_REPORT_ID_OFFSET] ==
|
|
PIP_HID_APP_REPORT_ID) &&
|
|
max_output_len == GEN5_APP_MAX_OUTPUT_LENGTH) {
|
|
/* APP mode HID Description read */
|
|
cyapa->state = CYAPA_STATE_GEN5_APP;
|
|
} else {
|
|
/* Should not happen!!! */
|
|
cyapa->state = CYAPA_STATE_NO_DEVICE;
|
|
}
|
|
}
|
|
|
|
return 0;
|
|
}
|
|
|
|
static int gen5_hid_description_header_parse(struct cyapa *cyapa, u8 *reg_data)
|
|
{
|
|
int length;
|
|
u8 resp_data[32];
|
|
int max_output_len;
|
|
int ret;
|
|
|
|
/* 0x20 0x00 0xF7 is Gen5 Application HID Description Header;
|
|
* 0x20 0x00 0xFF is Gen5 Bootloader HID Description Header.
|
|
*
|
|
* Must read HID Description content through out,
|
|
* otherwise Gen5 trackpad cannot response next command
|
|
* or report any touch or button data.
|
|
*/
|
|
ret = cyapa_i2c_pip_read(cyapa, resp_data,
|
|
PIP_HID_DESCRIPTOR_SIZE);
|
|
if (ret != PIP_HID_DESCRIPTOR_SIZE)
|
|
return ret < 0 ? ret : -EIO;
|
|
length = get_unaligned_le16(&resp_data[PIP_RESP_LENGTH_OFFSET]);
|
|
max_output_len = get_unaligned_le16(&resp_data[16]);
|
|
if (length == PIP_RESP_LENGTH_SIZE) {
|
|
if (reg_data[PIP_RESP_REPORT_ID_OFFSET] ==
|
|
PIP_HID_BL_REPORT_ID) {
|
|
/*
|
|
* BL mode HID Description has been previously
|
|
* read out.
|
|
*/
|
|
cyapa->gen = CYAPA_GEN5;
|
|
cyapa->state = CYAPA_STATE_GEN5_BL;
|
|
} else {
|
|
/*
|
|
* APP mode HID Description has been previously
|
|
* read out.
|
|
*/
|
|
cyapa->gen = CYAPA_GEN5;
|
|
cyapa->state = CYAPA_STATE_GEN5_APP;
|
|
}
|
|
} else if (length == PIP_HID_DESCRIPTOR_SIZE &&
|
|
resp_data[2] == PIP_HID_BL_REPORT_ID &&
|
|
max_output_len == GEN5_BL_MAX_OUTPUT_LENGTH) {
|
|
/* BL mode HID Description read. */
|
|
cyapa->gen = CYAPA_GEN5;
|
|
cyapa->state = CYAPA_STATE_GEN5_BL;
|
|
} else if (length == PIP_HID_DESCRIPTOR_SIZE &&
|
|
(resp_data[PIP_RESP_REPORT_ID_OFFSET] ==
|
|
PIP_HID_APP_REPORT_ID) &&
|
|
max_output_len == GEN5_APP_MAX_OUTPUT_LENGTH) {
|
|
/* APP mode HID Description read. */
|
|
cyapa->gen = CYAPA_GEN5;
|
|
cyapa->state = CYAPA_STATE_GEN5_APP;
|
|
} else {
|
|
/* Should not happen!!! */
|
|
cyapa->state = CYAPA_STATE_NO_DEVICE;
|
|
}
|
|
|
|
return 0;
|
|
}
|
|
|
|
static int gen5_report_data_header_parse(struct cyapa *cyapa, u8 *reg_data)
|
|
{
|
|
int length;
|
|
|
|
length = get_unaligned_le16(®_data[PIP_RESP_LENGTH_OFFSET]);
|
|
switch (reg_data[PIP_RESP_REPORT_ID_OFFSET]) {
|
|
case PIP_TOUCH_REPORT_ID:
|
|
if (length < PIP_TOUCH_REPORT_HEAD_SIZE ||
|
|
length > PIP_TOUCH_REPORT_MAX_SIZE)
|
|
return -EINVAL;
|
|
break;
|
|
case PIP_BTN_REPORT_ID:
|
|
case GEN5_OLD_PUSH_BTN_REPORT_ID:
|
|
case PIP_PUSH_BTN_REPORT_ID:
|
|
if (length < PIP_BTN_REPORT_HEAD_SIZE ||
|
|
length > PIP_BTN_REPORT_MAX_SIZE)
|
|
return -EINVAL;
|
|
break;
|
|
case PIP_WAKEUP_EVENT_REPORT_ID:
|
|
if (length != PIP_WAKEUP_EVENT_SIZE)
|
|
return -EINVAL;
|
|
break;
|
|
default:
|
|
return -EINVAL;
|
|
}
|
|
|
|
cyapa->gen = CYAPA_GEN5;
|
|
cyapa->state = CYAPA_STATE_GEN5_APP;
|
|
return 0;
|
|
}
|
|
|
|
static int gen5_cmd_resp_header_parse(struct cyapa *cyapa, u8 *reg_data)
|
|
{
|
|
struct cyapa_pip_cmd_states *pip = &cyapa->cmd_states.pip;
|
|
int length;
|
|
int ret;
|
|
|
|
/*
|
|
* Must read report data through out,
|
|
* otherwise Gen5 trackpad cannot response next command
|
|
* or report any touch or button data.
|
|
*/
|
|
length = get_unaligned_le16(®_data[PIP_RESP_LENGTH_OFFSET]);
|
|
ret = cyapa_i2c_pip_read(cyapa, pip->empty_buf, length);
|
|
if (ret != length)
|
|
return ret < 0 ? ret : -EIO;
|
|
|
|
if (length == PIP_RESP_LENGTH_SIZE) {
|
|
/* Previous command has read the data through out. */
|
|
if (reg_data[PIP_RESP_REPORT_ID_OFFSET] ==
|
|
PIP_BL_RESP_REPORT_ID) {
|
|
/* Gen5 BL command response data detected */
|
|
cyapa->gen = CYAPA_GEN5;
|
|
cyapa->state = CYAPA_STATE_GEN5_BL;
|
|
} else {
|
|
/* Gen5 APP command response data detected */
|
|
cyapa->gen = CYAPA_GEN5;
|
|
cyapa->state = CYAPA_STATE_GEN5_APP;
|
|
}
|
|
} else if ((pip->empty_buf[PIP_RESP_REPORT_ID_OFFSET] ==
|
|
PIP_BL_RESP_REPORT_ID) &&
|
|
(pip->empty_buf[PIP_RESP_RSVD_OFFSET] ==
|
|
PIP_RESP_RSVD_KEY) &&
|
|
(pip->empty_buf[PIP_RESP_BL_SOP_OFFSET] ==
|
|
PIP_SOP_KEY) &&
|
|
(pip->empty_buf[length - 1] ==
|
|
PIP_EOP_KEY)) {
|
|
/* Gen5 BL command response data detected */
|
|
cyapa->gen = CYAPA_GEN5;
|
|
cyapa->state = CYAPA_STATE_GEN5_BL;
|
|
} else if (pip->empty_buf[PIP_RESP_REPORT_ID_OFFSET] ==
|
|
PIP_APP_RESP_REPORT_ID &&
|
|
pip->empty_buf[PIP_RESP_RSVD_OFFSET] ==
|
|
PIP_RESP_RSVD_KEY) {
|
|
/* Gen5 APP command response data detected */
|
|
cyapa->gen = CYAPA_GEN5;
|
|
cyapa->state = CYAPA_STATE_GEN5_APP;
|
|
} else {
|
|
/* Should not happen!!! */
|
|
cyapa->state = CYAPA_STATE_NO_DEVICE;
|
|
}
|
|
|
|
return 0;
|
|
}
|
|
|
|
static int cyapa_gen5_state_parse(struct cyapa *cyapa, u8 *reg_data, int len)
|
|
{
|
|
int length;
|
|
|
|
if (!reg_data || len < 3)
|
|
return -EINVAL;
|
|
|
|
cyapa->state = CYAPA_STATE_NO_DEVICE;
|
|
|
|
/* Parse based on Gen5 characteristic registers and bits */
|
|
length = get_unaligned_le16(®_data[PIP_RESP_LENGTH_OFFSET]);
|
|
if (length == 0 || length == PIP_RESP_LENGTH_SIZE) {
|
|
gen5_idle_state_parse(cyapa);
|
|
} else if (length == PIP_HID_DESCRIPTOR_SIZE &&
|
|
(reg_data[2] == PIP_HID_BL_REPORT_ID ||
|
|
reg_data[2] == PIP_HID_APP_REPORT_ID)) {
|
|
gen5_hid_description_header_parse(cyapa, reg_data);
|
|
} else if ((length == GEN5_APP_REPORT_DESCRIPTOR_SIZE ||
|
|
length == GEN5_APP_CONTRACT_REPORT_DESCRIPTOR_SIZE) &&
|
|
reg_data[2] == GEN5_APP_REPORT_DESCRIPTOR_ID) {
|
|
/* 0xEE 0x00 0xF6 is Gen5 APP report description header. */
|
|
cyapa->gen = CYAPA_GEN5;
|
|
cyapa->state = CYAPA_STATE_GEN5_APP;
|
|
} else if (length == GEN5_BL_REPORT_DESCRIPTOR_SIZE &&
|
|
reg_data[2] == GEN5_BL_REPORT_DESCRIPTOR_ID) {
|
|
/* 0x1D 0x00 0xFE is Gen5 BL report descriptor header. */
|
|
cyapa->gen = CYAPA_GEN5;
|
|
cyapa->state = CYAPA_STATE_GEN5_BL;
|
|
} else if (reg_data[2] == PIP_TOUCH_REPORT_ID ||
|
|
reg_data[2] == PIP_BTN_REPORT_ID ||
|
|
reg_data[2] == GEN5_OLD_PUSH_BTN_REPORT_ID ||
|
|
reg_data[2] == PIP_PUSH_BTN_REPORT_ID ||
|
|
reg_data[2] == PIP_WAKEUP_EVENT_REPORT_ID) {
|
|
gen5_report_data_header_parse(cyapa, reg_data);
|
|
} else if (reg_data[2] == PIP_BL_RESP_REPORT_ID ||
|
|
reg_data[2] == PIP_APP_RESP_REPORT_ID) {
|
|
gen5_cmd_resp_header_parse(cyapa, reg_data);
|
|
}
|
|
|
|
if (cyapa->gen == CYAPA_GEN5) {
|
|
/*
|
|
* Must read the content (e.g.: report description and so on)
|
|
* from trackpad device throughout. Otherwise,
|
|
* Gen5 trackpad cannot response to next command or
|
|
* report any touch or button data later.
|
|
*/
|
|
cyapa_empty_pip_output_data(cyapa, NULL, NULL, NULL);
|
|
|
|
if (cyapa->state == CYAPA_STATE_GEN5_APP ||
|
|
cyapa->state == CYAPA_STATE_GEN5_BL)
|
|
return 0;
|
|
}
|
|
|
|
return -EAGAIN;
|
|
}
|
|
|
|
static struct cyapa_tsg_bin_image_data_record *
|
|
cyapa_get_image_record_data_num(const struct firmware *fw,
|
|
int *record_num)
|
|
{
|
|
int head_size;
|
|
|
|
head_size = fw->data[0] + 1;
|
|
*record_num = (fw->size - head_size) /
|
|
sizeof(struct cyapa_tsg_bin_image_data_record);
|
|
return (struct cyapa_tsg_bin_image_data_record *)&fw->data[head_size];
|
|
}
|
|
|
|
int cyapa_pip_bl_initiate(struct cyapa *cyapa, const struct firmware *fw)
|
|
{
|
|
struct cyapa_tsg_bin_image_data_record *image_records;
|
|
struct pip_bl_cmd_head *bl_cmd_head;
|
|
struct pip_bl_packet_start *bl_packet_start;
|
|
struct pip_bl_initiate_cmd_data *cmd_data;
|
|
struct pip_bl_packet_end *bl_packet_end;
|
|
u8 cmd[CYAPA_TSG_MAX_CMD_SIZE];
|
|
int cmd_len;
|
|
u16 cmd_data_len;
|
|
u16 cmd_crc = 0;
|
|
u16 meta_data_crc = 0;
|
|
u8 resp_data[11];
|
|
int resp_len;
|
|
int records_num;
|
|
u8 *data;
|
|
int error;
|
|
|
|
/* Try to dump all buffered report data before any send command. */
|
|
cyapa_empty_pip_output_data(cyapa, NULL, NULL, NULL);
|
|
|
|
memset(cmd, 0, CYAPA_TSG_MAX_CMD_SIZE);
|
|
bl_cmd_head = (struct pip_bl_cmd_head *)cmd;
|
|
cmd_data_len = CYAPA_TSG_BL_KEY_SIZE + CYAPA_TSG_FLASH_MAP_BLOCK_SIZE;
|
|
cmd_len = sizeof(struct pip_bl_cmd_head) + cmd_data_len +
|
|
sizeof(struct pip_bl_packet_end);
|
|
|
|
put_unaligned_le16(PIP_OUTPUT_REPORT_ADDR, &bl_cmd_head->addr);
|
|
put_unaligned_le16(cmd_len - 2, &bl_cmd_head->length);
|
|
bl_cmd_head->report_id = PIP_BL_CMD_REPORT_ID;
|
|
|
|
bl_packet_start = &bl_cmd_head->packet_start;
|
|
bl_packet_start->sop = PIP_SOP_KEY;
|
|
bl_packet_start->cmd_code = PIP_BL_CMD_INITIATE_BL;
|
|
/* 8 key bytes and 128 bytes block size */
|
|
put_unaligned_le16(cmd_data_len, &bl_packet_start->data_length);
|
|
|
|
cmd_data = (struct pip_bl_initiate_cmd_data *)bl_cmd_head->data;
|
|
memcpy(cmd_data->key, cyapa_pip_bl_cmd_key, CYAPA_TSG_BL_KEY_SIZE);
|
|
|
|
image_records = cyapa_get_image_record_data_num(fw, &records_num);
|
|
|
|
/* APP_INTEGRITY row is always the last row block */
|
|
data = image_records[records_num - 1].record_data;
|
|
memcpy(cmd_data->metadata_raw_parameter, data,
|
|
CYAPA_TSG_FLASH_MAP_METADATA_SIZE);
|
|
|
|
meta_data_crc = crc_itu_t(0xffff, cmd_data->metadata_raw_parameter,
|
|
CYAPA_TSG_FLASH_MAP_METADATA_SIZE);
|
|
put_unaligned_le16(meta_data_crc, &cmd_data->metadata_crc);
|
|
|
|
bl_packet_end = (struct pip_bl_packet_end *)(bl_cmd_head->data +
|
|
cmd_data_len);
|
|
cmd_crc = crc_itu_t(0xffff, (u8 *)bl_packet_start,
|
|
sizeof(struct pip_bl_packet_start) + cmd_data_len);
|
|
put_unaligned_le16(cmd_crc, &bl_packet_end->crc);
|
|
bl_packet_end->eop = PIP_EOP_KEY;
|
|
|
|
resp_len = sizeof(resp_data);
|
|
error = cyapa_i2c_pip_cmd_irq_sync(cyapa,
|
|
cmd, cmd_len,
|
|
resp_data, &resp_len, 12000,
|
|
cyapa_sort_tsg_pip_bl_resp_data, true);
|
|
if (error || resp_len != PIP_BL_INITIATE_RESP_LEN ||
|
|
resp_data[2] != PIP_BL_RESP_REPORT_ID ||
|
|
!PIP_CMD_COMPLETE_SUCCESS(resp_data))
|
|
return error ? error : -EAGAIN;
|
|
|
|
return 0;
|
|
}
|
|
|
|
static bool cyapa_sort_pip_bl_exit_data(struct cyapa *cyapa, u8 *buf, int len)
|
|
{
|
|
if (buf == NULL || len < PIP_RESP_LENGTH_SIZE)
|
|
return false;
|
|
|
|
if (buf[0] == 0 && buf[1] == 0)
|
|
return true;
|
|
|
|
/* Exit bootloader failed for some reason. */
|
|
if (len == PIP_BL_FAIL_EXIT_RESP_LEN &&
|
|
buf[PIP_RESP_REPORT_ID_OFFSET] ==
|
|
PIP_BL_RESP_REPORT_ID &&
|
|
buf[PIP_RESP_RSVD_OFFSET] == PIP_RESP_RSVD_KEY &&
|
|
buf[PIP_RESP_BL_SOP_OFFSET] == PIP_SOP_KEY &&
|
|
buf[10] == PIP_EOP_KEY)
|
|
return true;
|
|
|
|
return false;
|
|
}
|
|
|
|
int cyapa_pip_bl_exit(struct cyapa *cyapa)
|
|
{
|
|
|
|
u8 bl_gen5_bl_exit[] = { 0x04, 0x00,
|
|
0x0B, 0x00, 0x40, 0x00, 0x01, 0x3b, 0x00, 0x00,
|
|
0x20, 0xc7, 0x17
|
|
};
|
|
u8 resp_data[11];
|
|
int resp_len;
|
|
int error;
|
|
|
|
resp_len = sizeof(resp_data);
|
|
error = cyapa_i2c_pip_cmd_irq_sync(cyapa,
|
|
bl_gen5_bl_exit, sizeof(bl_gen5_bl_exit),
|
|
resp_data, &resp_len,
|
|
5000, cyapa_sort_pip_bl_exit_data, false);
|
|
if (error)
|
|
return error;
|
|
|
|
if (resp_len == PIP_BL_FAIL_EXIT_RESP_LEN ||
|
|
resp_data[PIP_RESP_REPORT_ID_OFFSET] ==
|
|
PIP_BL_RESP_REPORT_ID)
|
|
return -EAGAIN;
|
|
|
|
if (resp_data[0] == 0x00 && resp_data[1] == 0x00)
|
|
return 0;
|
|
|
|
return -ENODEV;
|
|
}
|
|
|
|
int cyapa_pip_bl_enter(struct cyapa *cyapa)
|
|
{
|
|
u8 cmd[] = { 0x04, 0x00, 0x05, 0x00, 0x2F, 0x00, 0x01 };
|
|
u8 resp_data[2];
|
|
int resp_len;
|
|
int error;
|
|
|
|
error = cyapa_poll_state(cyapa, 500);
|
|
if (error < 0)
|
|
return error;
|
|
|
|
/* Already in bootloader mode, Skipping exit. */
|
|
if (cyapa_is_pip_bl_mode(cyapa))
|
|
return 0;
|
|
else if (!cyapa_is_pip_app_mode(cyapa))
|
|
return -EINVAL;
|
|
|
|
/* Try to dump all buffered report data before any send command. */
|
|
cyapa_empty_pip_output_data(cyapa, NULL, NULL, NULL);
|
|
|
|
/*
|
|
* Send bootloader enter command to trackpad device,
|
|
* after enter bootloader, the response data is two bytes of 0x00 0x00.
|
|
*/
|
|
resp_len = sizeof(resp_data);
|
|
memset(resp_data, 0, resp_len);
|
|
error = cyapa_i2c_pip_cmd_irq_sync(cyapa,
|
|
cmd, sizeof(cmd),
|
|
resp_data, &resp_len,
|
|
5000, cyapa_sort_pip_application_launch_data,
|
|
true);
|
|
if (error || resp_data[0] != 0x00 || resp_data[1] != 0x00)
|
|
return error < 0 ? error : -EAGAIN;
|
|
|
|
cyapa->operational = false;
|
|
if (cyapa->gen == CYAPA_GEN5)
|
|
cyapa->state = CYAPA_STATE_GEN5_BL;
|
|
else if (cyapa->gen == CYAPA_GEN6)
|
|
cyapa->state = CYAPA_STATE_GEN6_BL;
|
|
return 0;
|
|
}
|
|
|
|
static int cyapa_pip_fw_head_check(struct cyapa *cyapa,
|
|
struct cyapa_tsg_bin_image_head *image_head)
|
|
{
|
|
if (image_head->head_size != 0x0C && image_head->head_size != 0x12)
|
|
return -EINVAL;
|
|
|
|
switch (cyapa->gen) {
|
|
case CYAPA_GEN6:
|
|
if (image_head->family_id != 0x9B ||
|
|
image_head->silicon_id_hi != 0x0B)
|
|
return -EINVAL;
|
|
break;
|
|
case CYAPA_GEN5:
|
|
/* Gen5 without proximity support. */
|
|
if (cyapa->platform_ver < 2) {
|
|
if (image_head->head_size == 0x0C)
|
|
break;
|
|
return -EINVAL;
|
|
}
|
|
|
|
if (image_head->family_id != 0x91 ||
|
|
image_head->silicon_id_hi != 0x02)
|
|
return -EINVAL;
|
|
break;
|
|
default:
|
|
return -EINVAL;
|
|
}
|
|
|
|
return 0;
|
|
}
|
|
|
|
int cyapa_pip_check_fw(struct cyapa *cyapa, const struct firmware *fw)
|
|
{
|
|
struct device *dev = &cyapa->client->dev;
|
|
struct cyapa_tsg_bin_image_data_record *image_records;
|
|
const struct cyapa_tsg_bin_image_data_record *app_integrity;
|
|
const struct tsg_bl_metadata_row_params *metadata;
|
|
int flash_records_count;
|
|
u32 fw_app_start, fw_upgrade_start;
|
|
u16 fw_app_len, fw_upgrade_len;
|
|
u16 app_crc;
|
|
u16 app_integrity_crc;
|
|
int i;
|
|
|
|
/* Verify the firmware image not miss-used for Gen5 and Gen6. */
|
|
if (cyapa_pip_fw_head_check(cyapa,
|
|
(struct cyapa_tsg_bin_image_head *)fw->data)) {
|
|
dev_err(dev, "%s: firmware image not match TP device.\n",
|
|
__func__);
|
|
return -EINVAL;
|
|
}
|
|
|
|
image_records =
|
|
cyapa_get_image_record_data_num(fw, &flash_records_count);
|
|
|
|
/*
|
|
* APP_INTEGRITY row is always the last row block,
|
|
* and the row id must be 0x01ff.
|
|
*/
|
|
app_integrity = &image_records[flash_records_count - 1];
|
|
|
|
if (app_integrity->flash_array_id != 0x00 ||
|
|
get_unaligned_be16(&app_integrity->row_number) != 0x01ff) {
|
|
dev_err(dev, "%s: invalid app_integrity data.\n", __func__);
|
|
return -EINVAL;
|
|
}
|
|
|
|
metadata = (const void *)app_integrity->record_data;
|
|
|
|
/* Verify app_integrity crc */
|
|
app_integrity_crc = crc_itu_t(0xffff, app_integrity->record_data,
|
|
CYAPA_TSG_APP_INTEGRITY_SIZE);
|
|
if (app_integrity_crc != get_unaligned_le16(&metadata->metadata_crc)) {
|
|
dev_err(dev, "%s: invalid app_integrity crc.\n", __func__);
|
|
return -EINVAL;
|
|
}
|
|
|
|
fw_app_start = get_unaligned_le32(&metadata->app_start);
|
|
fw_app_len = get_unaligned_le16(&metadata->app_len);
|
|
fw_upgrade_start = get_unaligned_le32(&metadata->upgrade_start);
|
|
fw_upgrade_len = get_unaligned_le16(&metadata->upgrade_len);
|
|
|
|
if (fw_app_start % CYAPA_TSG_FW_ROW_SIZE ||
|
|
fw_app_len % CYAPA_TSG_FW_ROW_SIZE ||
|
|
fw_upgrade_start % CYAPA_TSG_FW_ROW_SIZE ||
|
|
fw_upgrade_len % CYAPA_TSG_FW_ROW_SIZE) {
|
|
dev_err(dev, "%s: invalid image alignment.\n", __func__);
|
|
return -EINVAL;
|
|
}
|
|
|
|
/* Verify application image CRC. */
|
|
app_crc = 0xffffU;
|
|
for (i = 0; i < fw_app_len / CYAPA_TSG_FW_ROW_SIZE; i++) {
|
|
const u8 *data = image_records[i].record_data;
|
|
|
|
app_crc = crc_itu_t(app_crc, data, CYAPA_TSG_FW_ROW_SIZE);
|
|
}
|
|
|
|
if (app_crc != get_unaligned_le16(&metadata->app_crc)) {
|
|
dev_err(dev, "%s: invalid firmware app crc check.\n", __func__);
|
|
return -EINVAL;
|
|
}
|
|
|
|
return 0;
|
|
}
|
|
|
|
static int cyapa_pip_write_fw_block(struct cyapa *cyapa,
|
|
struct cyapa_tsg_bin_image_data_record *flash_record)
|
|
{
|
|
struct pip_bl_cmd_head *bl_cmd_head;
|
|
struct pip_bl_packet_start *bl_packet_start;
|
|
struct tsg_bl_flash_row_head *flash_row_head;
|
|
struct pip_bl_packet_end *bl_packet_end;
|
|
u8 cmd[CYAPA_TSG_MAX_CMD_SIZE];
|
|
u16 cmd_len;
|
|
u8 flash_array_id;
|
|
u16 flash_row_id;
|
|
u16 record_len;
|
|
u8 *record_data;
|
|
u16 data_len;
|
|
u16 crc;
|
|
u8 resp_data[11];
|
|
int resp_len;
|
|
int error;
|
|
|
|
flash_array_id = flash_record->flash_array_id;
|
|
flash_row_id = get_unaligned_be16(&flash_record->row_number);
|
|
record_len = get_unaligned_be16(&flash_record->record_len);
|
|
record_data = flash_record->record_data;
|
|
|
|
memset(cmd, 0, CYAPA_TSG_MAX_CMD_SIZE);
|
|
bl_cmd_head = (struct pip_bl_cmd_head *)cmd;
|
|
bl_packet_start = &bl_cmd_head->packet_start;
|
|
cmd_len = sizeof(struct pip_bl_cmd_head) +
|
|
sizeof(struct tsg_bl_flash_row_head) +
|
|
CYAPA_TSG_FLASH_MAP_BLOCK_SIZE +
|
|
sizeof(struct pip_bl_packet_end);
|
|
|
|
put_unaligned_le16(PIP_OUTPUT_REPORT_ADDR, &bl_cmd_head->addr);
|
|
/* Don't include 2 bytes register address */
|
|
put_unaligned_le16(cmd_len - 2, &bl_cmd_head->length);
|
|
bl_cmd_head->report_id = PIP_BL_CMD_REPORT_ID;
|
|
bl_packet_start->sop = PIP_SOP_KEY;
|
|
bl_packet_start->cmd_code = PIP_BL_CMD_PROGRAM_VERIFY_ROW;
|
|
|
|
/* 1 (Flash Array ID) + 2 (Flash Row ID) + 128 (flash data) */
|
|
data_len = sizeof(struct tsg_bl_flash_row_head) + record_len;
|
|
put_unaligned_le16(data_len, &bl_packet_start->data_length);
|
|
|
|
flash_row_head = (struct tsg_bl_flash_row_head *)bl_cmd_head->data;
|
|
flash_row_head->flash_array_id = flash_array_id;
|
|
put_unaligned_le16(flash_row_id, &flash_row_head->flash_row_id);
|
|
memcpy(flash_row_head->flash_data, record_data, record_len);
|
|
|
|
bl_packet_end = (struct pip_bl_packet_end *)(bl_cmd_head->data +
|
|
data_len);
|
|
crc = crc_itu_t(0xffff, (u8 *)bl_packet_start,
|
|
sizeof(struct pip_bl_packet_start) + data_len);
|
|
put_unaligned_le16(crc, &bl_packet_end->crc);
|
|
bl_packet_end->eop = PIP_EOP_KEY;
|
|
|
|
resp_len = sizeof(resp_data);
|
|
error = cyapa_i2c_pip_cmd_irq_sync(cyapa, cmd, cmd_len,
|
|
resp_data, &resp_len,
|
|
500, cyapa_sort_tsg_pip_bl_resp_data, true);
|
|
if (error || resp_len != PIP_BL_BLOCK_WRITE_RESP_LEN ||
|
|
resp_data[2] != PIP_BL_RESP_REPORT_ID ||
|
|
!PIP_CMD_COMPLETE_SUCCESS(resp_data))
|
|
return error < 0 ? error : -EAGAIN;
|
|
|
|
return 0;
|
|
}
|
|
|
|
int cyapa_pip_do_fw_update(struct cyapa *cyapa,
|
|
const struct firmware *fw)
|
|
{
|
|
struct device *dev = &cyapa->client->dev;
|
|
struct cyapa_tsg_bin_image_data_record *image_records;
|
|
int flash_records_count;
|
|
int i;
|
|
int error;
|
|
|
|
cyapa_empty_pip_output_data(cyapa, NULL, NULL, NULL);
|
|
|
|
image_records =
|
|
cyapa_get_image_record_data_num(fw, &flash_records_count);
|
|
|
|
/*
|
|
* The last flash row 0x01ff has been written through bl_initiate
|
|
* command, so DO NOT write flash 0x01ff to trackpad device.
|
|
*/
|
|
for (i = 0; i < (flash_records_count - 1); i++) {
|
|
error = cyapa_pip_write_fw_block(cyapa, &image_records[i]);
|
|
if (error) {
|
|
dev_err(dev, "%s: Gen5 FW update aborted: %d\n",
|
|
__func__, error);
|
|
return error;
|
|
}
|
|
}
|
|
|
|
return 0;
|
|
}
|
|
|
|
static int cyapa_gen5_change_power_state(struct cyapa *cyapa, u8 power_state)
|
|
{
|
|
u8 cmd[8] = { 0x04, 0x00, 0x06, 0x00, 0x2f, 0x00, 0x08, 0x01 };
|
|
u8 resp_data[6];
|
|
int resp_len;
|
|
int error;
|
|
|
|
cmd[7] = power_state;
|
|
resp_len = sizeof(resp_data);
|
|
error = cyapa_i2c_pip_cmd_irq_sync(cyapa, cmd, sizeof(cmd),
|
|
resp_data, &resp_len,
|
|
500, cyapa_sort_tsg_pip_app_resp_data, false);
|
|
if (error || !VALID_CMD_RESP_HEADER(resp_data, 0x08) ||
|
|
!PIP_CMD_COMPLETE_SUCCESS(resp_data))
|
|
return error < 0 ? error : -EINVAL;
|
|
|
|
return 0;
|
|
}
|
|
|
|
static int cyapa_gen5_set_interval_time(struct cyapa *cyapa,
|
|
u8 parameter_id, u16 interval_time)
|
|
{
|
|
struct pip_app_cmd_head *app_cmd_head;
|
|
struct gen5_app_set_parameter_data *parameter_data;
|
|
u8 cmd[CYAPA_TSG_MAX_CMD_SIZE];
|
|
int cmd_len;
|
|
u8 resp_data[7];
|
|
int resp_len;
|
|
u8 parameter_size;
|
|
int error;
|
|
|
|
memset(cmd, 0, CYAPA_TSG_MAX_CMD_SIZE);
|
|
app_cmd_head = (struct pip_app_cmd_head *)cmd;
|
|
parameter_data = (struct gen5_app_set_parameter_data *)
|
|
app_cmd_head->parameter_data;
|
|
cmd_len = sizeof(struct pip_app_cmd_head) +
|
|
sizeof(struct gen5_app_set_parameter_data);
|
|
|
|
switch (parameter_id) {
|
|
case GEN5_PARAMETER_ACT_INTERVL_ID:
|
|
parameter_size = GEN5_PARAMETER_ACT_INTERVL_SIZE;
|
|
break;
|
|
case GEN5_PARAMETER_ACT_LFT_INTERVL_ID:
|
|
parameter_size = GEN5_PARAMETER_ACT_LFT_INTERVL_SIZE;
|
|
break;
|
|
case GEN5_PARAMETER_LP_INTRVL_ID:
|
|
parameter_size = GEN5_PARAMETER_LP_INTRVL_SIZE;
|
|
break;
|
|
default:
|
|
return -EINVAL;
|
|
}
|
|
|
|
put_unaligned_le16(PIP_OUTPUT_REPORT_ADDR, &app_cmd_head->addr);
|
|
/*
|
|
* Don't include unused parameter value bytes and
|
|
* 2 bytes register address.
|
|
*/
|
|
put_unaligned_le16(cmd_len - (4 - parameter_size) - 2,
|
|
&app_cmd_head->length);
|
|
app_cmd_head->report_id = PIP_APP_CMD_REPORT_ID;
|
|
app_cmd_head->cmd_code = GEN5_CMD_SET_PARAMETER;
|
|
parameter_data->parameter_id = parameter_id;
|
|
parameter_data->parameter_size = parameter_size;
|
|
put_unaligned_le32((u32)interval_time, ¶meter_data->value);
|
|
resp_len = sizeof(resp_data);
|
|
error = cyapa_i2c_pip_cmd_irq_sync(cyapa, cmd, cmd_len,
|
|
resp_data, &resp_len,
|
|
500, cyapa_sort_tsg_pip_app_resp_data, false);
|
|
if (error || resp_data[5] != parameter_id ||
|
|
resp_data[6] != parameter_size ||
|
|
!VALID_CMD_RESP_HEADER(resp_data, GEN5_CMD_SET_PARAMETER))
|
|
return error < 0 ? error : -EINVAL;
|
|
|
|
return 0;
|
|
}
|
|
|
|
static int cyapa_gen5_get_interval_time(struct cyapa *cyapa,
|
|
u8 parameter_id, u16 *interval_time)
|
|
{
|
|
struct pip_app_cmd_head *app_cmd_head;
|
|
struct gen5_app_get_parameter_data *parameter_data;
|
|
u8 cmd[CYAPA_TSG_MAX_CMD_SIZE];
|
|
int cmd_len;
|
|
u8 resp_data[11];
|
|
int resp_len;
|
|
u8 parameter_size;
|
|
u16 mask, i;
|
|
int error;
|
|
|
|
memset(cmd, 0, CYAPA_TSG_MAX_CMD_SIZE);
|
|
app_cmd_head = (struct pip_app_cmd_head *)cmd;
|
|
parameter_data = (struct gen5_app_get_parameter_data *)
|
|
app_cmd_head->parameter_data;
|
|
cmd_len = sizeof(struct pip_app_cmd_head) +
|
|
sizeof(struct gen5_app_get_parameter_data);
|
|
|
|
*interval_time = 0;
|
|
switch (parameter_id) {
|
|
case GEN5_PARAMETER_ACT_INTERVL_ID:
|
|
parameter_size = GEN5_PARAMETER_ACT_INTERVL_SIZE;
|
|
break;
|
|
case GEN5_PARAMETER_ACT_LFT_INTERVL_ID:
|
|
parameter_size = GEN5_PARAMETER_ACT_LFT_INTERVL_SIZE;
|
|
break;
|
|
case GEN5_PARAMETER_LP_INTRVL_ID:
|
|
parameter_size = GEN5_PARAMETER_LP_INTRVL_SIZE;
|
|
break;
|
|
default:
|
|
return -EINVAL;
|
|
}
|
|
|
|
put_unaligned_le16(PIP_OUTPUT_REPORT_ADDR, &app_cmd_head->addr);
|
|
/* Don't include 2 bytes register address */
|
|
put_unaligned_le16(cmd_len - 2, &app_cmd_head->length);
|
|
app_cmd_head->report_id = PIP_APP_CMD_REPORT_ID;
|
|
app_cmd_head->cmd_code = GEN5_CMD_GET_PARAMETER;
|
|
parameter_data->parameter_id = parameter_id;
|
|
|
|
resp_len = sizeof(resp_data);
|
|
error = cyapa_i2c_pip_cmd_irq_sync(cyapa, cmd, cmd_len,
|
|
resp_data, &resp_len,
|
|
500, cyapa_sort_tsg_pip_app_resp_data, false);
|
|
if (error || resp_data[5] != parameter_id || resp_data[6] == 0 ||
|
|
!VALID_CMD_RESP_HEADER(resp_data, GEN5_CMD_GET_PARAMETER))
|
|
return error < 0 ? error : -EINVAL;
|
|
|
|
mask = 0;
|
|
for (i = 0; i < parameter_size; i++)
|
|
mask |= (0xff << (i * 8));
|
|
*interval_time = get_unaligned_le16(&resp_data[7]) & mask;
|
|
|
|
return 0;
|
|
}
|
|
|
|
static int cyapa_gen5_disable_pip_report(struct cyapa *cyapa)
|
|
{
|
|
struct pip_app_cmd_head *app_cmd_head;
|
|
u8 cmd[10];
|
|
u8 resp_data[7];
|
|
int resp_len;
|
|
int error;
|
|
|
|
memset(cmd, 0, sizeof(cmd));
|
|
app_cmd_head = (struct pip_app_cmd_head *)cmd;
|
|
|
|
put_unaligned_le16(PIP_OUTPUT_REPORT_ADDR, &app_cmd_head->addr);
|
|
put_unaligned_le16(sizeof(cmd) - 2, &app_cmd_head->length);
|
|
app_cmd_head->report_id = PIP_APP_CMD_REPORT_ID;
|
|
app_cmd_head->cmd_code = GEN5_CMD_SET_PARAMETER;
|
|
app_cmd_head->parameter_data[0] = GEN5_PARAMETER_DISABLE_PIP_REPORT;
|
|
app_cmd_head->parameter_data[1] = 0x01;
|
|
app_cmd_head->parameter_data[2] = 0x01;
|
|
resp_len = sizeof(resp_data);
|
|
error = cyapa_i2c_pip_cmd_irq_sync(cyapa, cmd, sizeof(cmd),
|
|
resp_data, &resp_len,
|
|
500, cyapa_sort_tsg_pip_app_resp_data, false);
|
|
if (error || resp_data[5] != GEN5_PARAMETER_DISABLE_PIP_REPORT ||
|
|
!VALID_CMD_RESP_HEADER(resp_data, GEN5_CMD_SET_PARAMETER) ||
|
|
resp_data[6] != 0x01)
|
|
return error < 0 ? error : -EINVAL;
|
|
|
|
return 0;
|
|
}
|
|
|
|
int cyapa_pip_set_proximity(struct cyapa *cyapa, bool enable)
|
|
{
|
|
u8 cmd[] = { 0x04, 0x00, 0x06, 0x00, 0x2f, 0x00, PIP_SET_PROXIMITY,
|
|
(u8)!!enable
|
|
};
|
|
u8 resp_data[6];
|
|
int resp_len;
|
|
int error;
|
|
|
|
resp_len = sizeof(resp_data);
|
|
error = cyapa_i2c_pip_cmd_irq_sync(cyapa, cmd, sizeof(cmd),
|
|
resp_data, &resp_len,
|
|
500, cyapa_sort_tsg_pip_app_resp_data, false);
|
|
if (error || !VALID_CMD_RESP_HEADER(resp_data, PIP_SET_PROXIMITY) ||
|
|
!PIP_CMD_COMPLETE_SUCCESS(resp_data)) {
|
|
error = (error == -ETIMEDOUT) ? -EOPNOTSUPP : error;
|
|
return error < 0 ? error : -EINVAL;
|
|
}
|
|
|
|
return 0;
|
|
}
|
|
|
|
int cyapa_pip_deep_sleep(struct cyapa *cyapa, u8 state)
|
|
{
|
|
u8 cmd[] = { 0x05, 0x00, 0x00, 0x08};
|
|
u8 resp_data[5];
|
|
int resp_len;
|
|
int error;
|
|
|
|
cmd[2] = state & PIP_DEEP_SLEEP_STATE_MASK;
|
|
resp_len = sizeof(resp_data);
|
|
error = cyapa_i2c_pip_cmd_irq_sync(cyapa, cmd, sizeof(cmd),
|
|
resp_data, &resp_len,
|
|
500, cyapa_sort_pip_deep_sleep_data, false);
|
|
if (error || ((resp_data[3] & PIP_DEEP_SLEEP_STATE_MASK) != state))
|
|
return -EINVAL;
|
|
|
|
return 0;
|
|
}
|
|
|
|
static int cyapa_gen5_set_power_mode(struct cyapa *cyapa,
|
|
u8 power_mode, u16 sleep_time, enum cyapa_pm_stage pm_stage)
|
|
{
|
|
struct device *dev = &cyapa->client->dev;
|
|
u8 power_state;
|
|
int error = 0;
|
|
|
|
if (cyapa->state != CYAPA_STATE_GEN5_APP)
|
|
return 0;
|
|
|
|
cyapa_set_pip_pm_state(cyapa, pm_stage);
|
|
|
|
if (PIP_DEV_GET_PWR_STATE(cyapa) == UNINIT_PWR_MODE) {
|
|
/*
|
|
* Assume TP in deep sleep mode when driver is loaded,
|
|
* avoid driver unload and reload command IO issue caused by TP
|
|
* has been set into deep sleep mode when unloading.
|
|
*/
|
|
PIP_DEV_SET_PWR_STATE(cyapa, PWR_MODE_OFF);
|
|
}
|
|
|
|
if (PIP_DEV_UNINIT_SLEEP_TIME(cyapa) &&
|
|
PIP_DEV_GET_PWR_STATE(cyapa) != PWR_MODE_OFF)
|
|
if (cyapa_gen5_get_interval_time(cyapa,
|
|
GEN5_PARAMETER_LP_INTRVL_ID,
|
|
&cyapa->dev_sleep_time) != 0)
|
|
PIP_DEV_SET_SLEEP_TIME(cyapa, UNINIT_SLEEP_TIME);
|
|
|
|
if (PIP_DEV_GET_PWR_STATE(cyapa) == power_mode) {
|
|
if (power_mode == PWR_MODE_OFF ||
|
|
power_mode == PWR_MODE_FULL_ACTIVE ||
|
|
power_mode == PWR_MODE_BTN_ONLY ||
|
|
PIP_DEV_GET_SLEEP_TIME(cyapa) == sleep_time) {
|
|
/* Has in correct power mode state, early return. */
|
|
goto out;
|
|
}
|
|
}
|
|
|
|
if (power_mode == PWR_MODE_OFF) {
|
|
error = cyapa_pip_deep_sleep(cyapa, PIP_DEEP_SLEEP_STATE_OFF);
|
|
if (error) {
|
|
dev_err(dev, "enter deep sleep fail: %d\n", error);
|
|
goto out;
|
|
}
|
|
|
|
PIP_DEV_SET_PWR_STATE(cyapa, PWR_MODE_OFF);
|
|
goto out;
|
|
}
|
|
|
|
/*
|
|
* When trackpad in power off mode, it cannot change to other power
|
|
* state directly, must be wake up from sleep firstly, then
|
|
* continue to do next power sate change.
|
|
*/
|
|
if (PIP_DEV_GET_PWR_STATE(cyapa) == PWR_MODE_OFF) {
|
|
error = cyapa_pip_deep_sleep(cyapa, PIP_DEEP_SLEEP_STATE_ON);
|
|
if (error) {
|
|
dev_err(dev, "deep sleep wake fail: %d\n", error);
|
|
goto out;
|
|
}
|
|
}
|
|
|
|
if (power_mode == PWR_MODE_FULL_ACTIVE) {
|
|
error = cyapa_gen5_change_power_state(cyapa,
|
|
GEN5_POWER_STATE_ACTIVE);
|
|
if (error) {
|
|
dev_err(dev, "change to active fail: %d\n", error);
|
|
goto out;
|
|
}
|
|
|
|
PIP_DEV_SET_PWR_STATE(cyapa, PWR_MODE_FULL_ACTIVE);
|
|
} else if (power_mode == PWR_MODE_BTN_ONLY) {
|
|
error = cyapa_gen5_change_power_state(cyapa,
|
|
GEN5_POWER_STATE_BTN_ONLY);
|
|
if (error) {
|
|
dev_err(dev, "fail to button only mode: %d\n", error);
|
|
goto out;
|
|
}
|
|
|
|
PIP_DEV_SET_PWR_STATE(cyapa, PWR_MODE_BTN_ONLY);
|
|
} else {
|
|
/*
|
|
* Continue to change power mode even failed to set
|
|
* interval time, it won't affect the power mode change.
|
|
* except the sleep interval time is not correct.
|
|
*/
|
|
if (PIP_DEV_UNINIT_SLEEP_TIME(cyapa) ||
|
|
sleep_time != PIP_DEV_GET_SLEEP_TIME(cyapa))
|
|
if (cyapa_gen5_set_interval_time(cyapa,
|
|
GEN5_PARAMETER_LP_INTRVL_ID,
|
|
sleep_time) == 0)
|
|
PIP_DEV_SET_SLEEP_TIME(cyapa, sleep_time);
|
|
|
|
if (sleep_time <= GEN5_POWER_READY_MAX_INTRVL_TIME)
|
|
power_state = GEN5_POWER_STATE_READY;
|
|
else
|
|
power_state = GEN5_POWER_STATE_IDLE;
|
|
error = cyapa_gen5_change_power_state(cyapa, power_state);
|
|
if (error) {
|
|
dev_err(dev, "set power state to 0x%02x failed: %d\n",
|
|
power_state, error);
|
|
goto out;
|
|
}
|
|
|
|
/*
|
|
* Disable pip report for a little time, firmware will
|
|
* re-enable it automatically. It's used to fix the issue
|
|
* that trackpad unable to report signal to wake system up
|
|
* in the special situation that system is in suspending, and
|
|
* at the same time, user touch trackpad to wake system up.
|
|
* This function can avoid the data to be buffered when system
|
|
* is suspending which may cause interrupt line unable to be
|
|
* asserted again.
|
|
*/
|
|
if (pm_stage == CYAPA_PM_SUSPEND)
|
|
cyapa_gen5_disable_pip_report(cyapa);
|
|
|
|
PIP_DEV_SET_PWR_STATE(cyapa,
|
|
cyapa_sleep_time_to_pwr_cmd(sleep_time));
|
|
}
|
|
|
|
out:
|
|
cyapa_reset_pip_pm_state(cyapa);
|
|
return error;
|
|
}
|
|
|
|
int cyapa_pip_resume_scanning(struct cyapa *cyapa)
|
|
{
|
|
u8 cmd[] = { 0x04, 0x00, 0x05, 0x00, 0x2f, 0x00, 0x04 };
|
|
u8 resp_data[6];
|
|
int resp_len;
|
|
int error;
|
|
|
|
/* Try to dump all buffered data before doing command. */
|
|
cyapa_empty_pip_output_data(cyapa, NULL, NULL, NULL);
|
|
|
|
resp_len = sizeof(resp_data);
|
|
error = cyapa_i2c_pip_cmd_irq_sync(cyapa,
|
|
cmd, sizeof(cmd),
|
|
resp_data, &resp_len,
|
|
500, cyapa_sort_tsg_pip_app_resp_data, true);
|
|
if (error || !VALID_CMD_RESP_HEADER(resp_data, 0x04))
|
|
return -EINVAL;
|
|
|
|
/* Try to dump all buffered data when resuming scanning. */
|
|
cyapa_empty_pip_output_data(cyapa, NULL, NULL, NULL);
|
|
|
|
return 0;
|
|
}
|
|
|
|
int cyapa_pip_suspend_scanning(struct cyapa *cyapa)
|
|
{
|
|
u8 cmd[] = { 0x04, 0x00, 0x05, 0x00, 0x2f, 0x00, 0x03 };
|
|
u8 resp_data[6];
|
|
int resp_len;
|
|
int error;
|
|
|
|
/* Try to dump all buffered data before doing command. */
|
|
cyapa_empty_pip_output_data(cyapa, NULL, NULL, NULL);
|
|
|
|
resp_len = sizeof(resp_data);
|
|
error = cyapa_i2c_pip_cmd_irq_sync(cyapa,
|
|
cmd, sizeof(cmd),
|
|
resp_data, &resp_len,
|
|
500, cyapa_sort_tsg_pip_app_resp_data, true);
|
|
if (error || !VALID_CMD_RESP_HEADER(resp_data, 0x03))
|
|
return -EINVAL;
|
|
|
|
/* Try to dump all buffered data when suspending scanning. */
|
|
cyapa_empty_pip_output_data(cyapa, NULL, NULL, NULL);
|
|
|
|
return 0;
|
|
}
|
|
|
|
static int cyapa_pip_calibrate_pwcs(struct cyapa *cyapa,
|
|
u8 calibrate_sensing_mode_type)
|
|
{
|
|
struct pip_app_cmd_head *app_cmd_head;
|
|
u8 cmd[8];
|
|
u8 resp_data[6];
|
|
int resp_len;
|
|
int error;
|
|
|
|
/* Try to dump all buffered data before doing command. */
|
|
cyapa_empty_pip_output_data(cyapa, NULL, NULL, NULL);
|
|
|
|
memset(cmd, 0, sizeof(cmd));
|
|
app_cmd_head = (struct pip_app_cmd_head *)cmd;
|
|
put_unaligned_le16(PIP_OUTPUT_REPORT_ADDR, &app_cmd_head->addr);
|
|
put_unaligned_le16(sizeof(cmd) - 2, &app_cmd_head->length);
|
|
app_cmd_head->report_id = PIP_APP_CMD_REPORT_ID;
|
|
app_cmd_head->cmd_code = PIP_CMD_CALIBRATE;
|
|
app_cmd_head->parameter_data[0] = calibrate_sensing_mode_type;
|
|
resp_len = sizeof(resp_data);
|
|
error = cyapa_i2c_pip_cmd_irq_sync(cyapa,
|
|
cmd, sizeof(cmd),
|
|
resp_data, &resp_len,
|
|
5000, cyapa_sort_tsg_pip_app_resp_data, true);
|
|
if (error || !VALID_CMD_RESP_HEADER(resp_data, PIP_CMD_CALIBRATE) ||
|
|
!PIP_CMD_COMPLETE_SUCCESS(resp_data))
|
|
return error < 0 ? error : -EAGAIN;
|
|
|
|
return 0;
|
|
}
|
|
|
|
ssize_t cyapa_pip_do_calibrate(struct device *dev,
|
|
struct device_attribute *attr,
|
|
const char *buf, size_t count)
|
|
{
|
|
struct cyapa *cyapa = dev_get_drvdata(dev);
|
|
int error, calibrate_error;
|
|
|
|
/* 1. Suspend Scanning*/
|
|
error = cyapa_pip_suspend_scanning(cyapa);
|
|
if (error)
|
|
return error;
|
|
|
|
/* 2. Do mutual capacitance fine calibrate. */
|
|
calibrate_error = cyapa_pip_calibrate_pwcs(cyapa,
|
|
PIP_SENSING_MODE_MUTUAL_CAP_FINE);
|
|
if (calibrate_error)
|
|
goto resume_scanning;
|
|
|
|
/* 3. Do self capacitance calibrate. */
|
|
calibrate_error = cyapa_pip_calibrate_pwcs(cyapa,
|
|
PIP_SENSING_MODE_SELF_CAP);
|
|
if (calibrate_error)
|
|
goto resume_scanning;
|
|
|
|
resume_scanning:
|
|
/* 4. Resume Scanning*/
|
|
error = cyapa_pip_resume_scanning(cyapa);
|
|
if (error || calibrate_error)
|
|
return error ? error : calibrate_error;
|
|
|
|
return count;
|
|
}
|
|
|
|
static s32 twos_complement_to_s32(s32 value, int num_bits)
|
|
{
|
|
if (value >> (num_bits - 1))
|
|
value |= -1 << num_bits;
|
|
return value;
|
|
}
|
|
|
|
static s32 cyapa_parse_structure_data(u8 data_format, u8 *buf, int buf_len)
|
|
{
|
|
int data_size;
|
|
bool big_endian;
|
|
bool unsigned_type;
|
|
s32 value;
|
|
|
|
data_size = (data_format & 0x07);
|
|
big_endian = ((data_format & 0x10) == 0x00);
|
|
unsigned_type = ((data_format & 0x20) == 0x00);
|
|
|
|
if (buf_len < data_size)
|
|
return 0;
|
|
|
|
switch (data_size) {
|
|
case 1:
|
|
value = buf[0];
|
|
break;
|
|
case 2:
|
|
if (big_endian)
|
|
value = get_unaligned_be16(buf);
|
|
else
|
|
value = get_unaligned_le16(buf);
|
|
break;
|
|
case 4:
|
|
if (big_endian)
|
|
value = get_unaligned_be32(buf);
|
|
else
|
|
value = get_unaligned_le32(buf);
|
|
break;
|
|
default:
|
|
/* Should not happen, just as default case here. */
|
|
value = 0;
|
|
break;
|
|
}
|
|
|
|
if (!unsigned_type)
|
|
value = twos_complement_to_s32(value, data_size * 8);
|
|
|
|
return value;
|
|
}
|
|
|
|
static void cyapa_gen5_guess_electrodes(struct cyapa *cyapa,
|
|
int *electrodes_rx, int *electrodes_tx)
|
|
{
|
|
if (cyapa->electrodes_rx != 0) {
|
|
*electrodes_rx = cyapa->electrodes_rx;
|
|
*electrodes_tx = (cyapa->electrodes_x == *electrodes_rx) ?
|
|
cyapa->electrodes_y : cyapa->electrodes_x;
|
|
} else {
|
|
*electrodes_tx = min(cyapa->electrodes_x, cyapa->electrodes_y);
|
|
*electrodes_rx = max(cyapa->electrodes_x, cyapa->electrodes_y);
|
|
}
|
|
}
|
|
|
|
/*
|
|
* Read all the global mutual or self idac data or mutual or self local PWC
|
|
* data based on the @idac_data_type.
|
|
* If the input value of @data_size is 0, then means read global mutual or
|
|
* self idac data. For read global mutual idac data, @idac_max, @idac_min and
|
|
* @idac_ave are in order used to return the max value of global mutual idac
|
|
* data, the min value of global mutual idac and the average value of the
|
|
* global mutual idac data. For read global self idac data, @idac_max is used
|
|
* to return the global self cap idac data in Rx direction, @idac_min is used
|
|
* to return the global self cap idac data in Tx direction. @idac_ave is not
|
|
* used.
|
|
* If the input value of @data_size is not 0, than means read the mutual or
|
|
* self local PWC data. The @idac_max, @idac_min and @idac_ave are used to
|
|
* return the max, min and average value of the mutual or self local PWC data.
|
|
* Note, in order to read mutual local PWC data, must read invoke this function
|
|
* to read the mutual global idac data firstly to set the correct Rx number
|
|
* value, otherwise, the read mutual idac and PWC data may not correct.
|
|
*/
|
|
static int cyapa_gen5_read_idac_data(struct cyapa *cyapa,
|
|
u8 cmd_code, u8 idac_data_type, int *data_size,
|
|
int *idac_max, int *idac_min, int *idac_ave)
|
|
{
|
|
struct pip_app_cmd_head *cmd_head;
|
|
u8 cmd[12];
|
|
u8 resp_data[256];
|
|
int resp_len;
|
|
int read_len;
|
|
int value;
|
|
u16 offset;
|
|
int read_elements;
|
|
bool read_global_idac;
|
|
int sum, count, max_element_cnt;
|
|
int tmp_max, tmp_min, tmp_ave, tmp_sum, tmp_count;
|
|
int electrodes_rx, electrodes_tx;
|
|
int i;
|
|
int error;
|
|
|
|
if (cmd_code != PIP_RETRIEVE_DATA_STRUCTURE ||
|
|
(idac_data_type != GEN5_RETRIEVE_MUTUAL_PWC_DATA &&
|
|
idac_data_type != GEN5_RETRIEVE_SELF_CAP_PWC_DATA) ||
|
|
!data_size || !idac_max || !idac_min || !idac_ave)
|
|
return -EINVAL;
|
|
|
|
*idac_max = INT_MIN;
|
|
*idac_min = INT_MAX;
|
|
sum = count = tmp_count = 0;
|
|
electrodes_rx = electrodes_tx = 0;
|
|
if (*data_size == 0) {
|
|
/*
|
|
* Read global idac values firstly.
|
|
* Currently, no idac data exceed 4 bytes.
|
|
*/
|
|
read_global_idac = true;
|
|
offset = 0;
|
|
*data_size = 4;
|
|
tmp_max = INT_MIN;
|
|
tmp_min = INT_MAX;
|
|
tmp_ave = tmp_sum = tmp_count = 0;
|
|
|
|
if (idac_data_type == GEN5_RETRIEVE_MUTUAL_PWC_DATA) {
|
|
if (cyapa->aligned_electrodes_rx == 0) {
|
|
cyapa_gen5_guess_electrodes(cyapa,
|
|
&electrodes_rx, &electrodes_tx);
|
|
cyapa->aligned_electrodes_rx =
|
|
(electrodes_rx + 3) & ~3u;
|
|
}
|
|
max_element_cnt =
|
|
(cyapa->aligned_electrodes_rx + 7) & ~7u;
|
|
} else {
|
|
max_element_cnt = 2;
|
|
}
|
|
} else {
|
|
read_global_idac = false;
|
|
if (*data_size > 4)
|
|
*data_size = 4;
|
|
/* Calculate the start offset in bytes of local PWC data. */
|
|
if (idac_data_type == GEN5_RETRIEVE_MUTUAL_PWC_DATA) {
|
|
offset = cyapa->aligned_electrodes_rx * (*data_size);
|
|
if (cyapa->electrodes_rx == cyapa->electrodes_x)
|
|
electrodes_tx = cyapa->electrodes_y;
|
|
else
|
|
electrodes_tx = cyapa->electrodes_x;
|
|
max_element_cnt = ((cyapa->aligned_electrodes_rx + 7) &
|
|
~7u) * electrodes_tx;
|
|
} else {
|
|
offset = 2;
|
|
max_element_cnt = cyapa->electrodes_x +
|
|
cyapa->electrodes_y;
|
|
max_element_cnt = (max_element_cnt + 3) & ~3u;
|
|
}
|
|
}
|
|
|
|
memset(cmd, 0, sizeof(cmd));
|
|
cmd_head = (struct pip_app_cmd_head *)cmd;
|
|
put_unaligned_le16(PIP_OUTPUT_REPORT_ADDR, &cmd_head->addr);
|
|
put_unaligned_le16(sizeof(cmd) - 2, &cmd_head->length);
|
|
cmd_head->report_id = PIP_APP_CMD_REPORT_ID;
|
|
cmd_head->cmd_code = cmd_code;
|
|
do {
|
|
read_elements = (256 - GEN5_RESP_DATA_STRUCTURE_OFFSET) /
|
|
(*data_size);
|
|
read_elements = min(read_elements, max_element_cnt - count);
|
|
read_len = read_elements * (*data_size);
|
|
|
|
put_unaligned_le16(offset, &cmd_head->parameter_data[0]);
|
|
put_unaligned_le16(read_len, &cmd_head->parameter_data[2]);
|
|
cmd_head->parameter_data[4] = idac_data_type;
|
|
resp_len = GEN5_RESP_DATA_STRUCTURE_OFFSET + read_len;
|
|
error = cyapa_i2c_pip_cmd_irq_sync(cyapa,
|
|
cmd, sizeof(cmd),
|
|
resp_data, &resp_len,
|
|
500, cyapa_sort_tsg_pip_app_resp_data,
|
|
true);
|
|
if (error || resp_len < GEN5_RESP_DATA_STRUCTURE_OFFSET ||
|
|
!VALID_CMD_RESP_HEADER(resp_data, cmd_code) ||
|
|
!PIP_CMD_COMPLETE_SUCCESS(resp_data) ||
|
|
resp_data[6] != idac_data_type)
|
|
return (error < 0) ? error : -EAGAIN;
|
|
read_len = get_unaligned_le16(&resp_data[7]);
|
|
if (read_len == 0)
|
|
break;
|
|
|
|
*data_size = (resp_data[9] & GEN5_PWC_DATA_ELEMENT_SIZE_MASK);
|
|
if (read_len < *data_size)
|
|
return -EINVAL;
|
|
|
|
if (read_global_idac &&
|
|
idac_data_type == GEN5_RETRIEVE_SELF_CAP_PWC_DATA) {
|
|
/* Rx's self global idac data. */
|
|
*idac_max = cyapa_parse_structure_data(
|
|
resp_data[9],
|
|
&resp_data[GEN5_RESP_DATA_STRUCTURE_OFFSET],
|
|
*data_size);
|
|
/* Tx's self global idac data. */
|
|
*idac_min = cyapa_parse_structure_data(
|
|
resp_data[9],
|
|
&resp_data[GEN5_RESP_DATA_STRUCTURE_OFFSET +
|
|
*data_size],
|
|
*data_size);
|
|
break;
|
|
}
|
|
|
|
/* Read mutual global idac or local mutual/self PWC data. */
|
|
offset += read_len;
|
|
for (i = 10; i < (read_len + GEN5_RESP_DATA_STRUCTURE_OFFSET);
|
|
i += *data_size) {
|
|
value = cyapa_parse_structure_data(resp_data[9],
|
|
&resp_data[i], *data_size);
|
|
*idac_min = min(value, *idac_min);
|
|
*idac_max = max(value, *idac_max);
|
|
|
|
if (idac_data_type == GEN5_RETRIEVE_MUTUAL_PWC_DATA &&
|
|
tmp_count < cyapa->aligned_electrodes_rx &&
|
|
read_global_idac) {
|
|
/*
|
|
* The value gap between global and local mutual
|
|
* idac data must bigger than 50%.
|
|
* Normally, global value bigger than 50,
|
|
* local values less than 10.
|
|
*/
|
|
if (!tmp_ave || value > tmp_ave / 2) {
|
|
tmp_min = min(value, tmp_min);
|
|
tmp_max = max(value, tmp_max);
|
|
tmp_sum += value;
|
|
tmp_count++;
|
|
|
|
tmp_ave = tmp_sum / tmp_count;
|
|
}
|
|
}
|
|
|
|
sum += value;
|
|
count++;
|
|
|
|
if (count >= max_element_cnt)
|
|
goto out;
|
|
}
|
|
} while (true);
|
|
|
|
out:
|
|
*idac_ave = count ? (sum / count) : 0;
|
|
|
|
if (read_global_idac &&
|
|
idac_data_type == GEN5_RETRIEVE_MUTUAL_PWC_DATA) {
|
|
if (tmp_count == 0)
|
|
return 0;
|
|
|
|
if (tmp_count == cyapa->aligned_electrodes_rx) {
|
|
cyapa->electrodes_rx = cyapa->electrodes_rx ?
|
|
cyapa->electrodes_rx : electrodes_rx;
|
|
} else if (tmp_count == electrodes_rx) {
|
|
cyapa->electrodes_rx = cyapa->electrodes_rx ?
|
|
cyapa->electrodes_rx : electrodes_rx;
|
|
cyapa->aligned_electrodes_rx = electrodes_rx;
|
|
} else {
|
|
cyapa->electrodes_rx = cyapa->electrodes_rx ?
|
|
cyapa->electrodes_rx : electrodes_tx;
|
|
cyapa->aligned_electrodes_rx = tmp_count;
|
|
}
|
|
|
|
*idac_min = tmp_min;
|
|
*idac_max = tmp_max;
|
|
*idac_ave = tmp_ave;
|
|
}
|
|
|
|
return 0;
|
|
}
|
|
|
|
static int cyapa_gen5_read_mutual_idac_data(struct cyapa *cyapa,
|
|
int *gidac_mutual_max, int *gidac_mutual_min, int *gidac_mutual_ave,
|
|
int *lidac_mutual_max, int *lidac_mutual_min, int *lidac_mutual_ave)
|
|
{
|
|
int data_size;
|
|
int error;
|
|
|
|
*gidac_mutual_max = *gidac_mutual_min = *gidac_mutual_ave = 0;
|
|
*lidac_mutual_max = *lidac_mutual_min = *lidac_mutual_ave = 0;
|
|
|
|
data_size = 0;
|
|
error = cyapa_gen5_read_idac_data(cyapa,
|
|
PIP_RETRIEVE_DATA_STRUCTURE,
|
|
GEN5_RETRIEVE_MUTUAL_PWC_DATA,
|
|
&data_size,
|
|
gidac_mutual_max, gidac_mutual_min, gidac_mutual_ave);
|
|
if (error)
|
|
return error;
|
|
|
|
error = cyapa_gen5_read_idac_data(cyapa,
|
|
PIP_RETRIEVE_DATA_STRUCTURE,
|
|
GEN5_RETRIEVE_MUTUAL_PWC_DATA,
|
|
&data_size,
|
|
lidac_mutual_max, lidac_mutual_min, lidac_mutual_ave);
|
|
return error;
|
|
}
|
|
|
|
static int cyapa_gen5_read_self_idac_data(struct cyapa *cyapa,
|
|
int *gidac_self_rx, int *gidac_self_tx,
|
|
int *lidac_self_max, int *lidac_self_min, int *lidac_self_ave)
|
|
{
|
|
int data_size;
|
|
int error;
|
|
|
|
*gidac_self_rx = *gidac_self_tx = 0;
|
|
*lidac_self_max = *lidac_self_min = *lidac_self_ave = 0;
|
|
|
|
data_size = 0;
|
|
error = cyapa_gen5_read_idac_data(cyapa,
|
|
PIP_RETRIEVE_DATA_STRUCTURE,
|
|
GEN5_RETRIEVE_SELF_CAP_PWC_DATA,
|
|
&data_size,
|
|
lidac_self_max, lidac_self_min, lidac_self_ave);
|
|
if (error)
|
|
return error;
|
|
*gidac_self_rx = *lidac_self_max;
|
|
*gidac_self_tx = *lidac_self_min;
|
|
|
|
error = cyapa_gen5_read_idac_data(cyapa,
|
|
PIP_RETRIEVE_DATA_STRUCTURE,
|
|
GEN5_RETRIEVE_SELF_CAP_PWC_DATA,
|
|
&data_size,
|
|
lidac_self_max, lidac_self_min, lidac_self_ave);
|
|
return error;
|
|
}
|
|
|
|
static ssize_t cyapa_gen5_execute_panel_scan(struct cyapa *cyapa)
|
|
{
|
|
struct pip_app_cmd_head *app_cmd_head;
|
|
u8 cmd[7];
|
|
u8 resp_data[6];
|
|
int resp_len;
|
|
int error;
|
|
|
|
memset(cmd, 0, sizeof(cmd));
|
|
app_cmd_head = (struct pip_app_cmd_head *)cmd;
|
|
put_unaligned_le16(PIP_OUTPUT_REPORT_ADDR, &app_cmd_head->addr);
|
|
put_unaligned_le16(sizeof(cmd) - 2, &app_cmd_head->length);
|
|
app_cmd_head->report_id = PIP_APP_CMD_REPORT_ID;
|
|
app_cmd_head->cmd_code = GEN5_CMD_EXECUTE_PANEL_SCAN;
|
|
resp_len = sizeof(resp_data);
|
|
error = cyapa_i2c_pip_cmd_irq_sync(cyapa,
|
|
cmd, sizeof(cmd),
|
|
resp_data, &resp_len,
|
|
500, cyapa_sort_tsg_pip_app_resp_data, true);
|
|
if (error || resp_len != sizeof(resp_data) ||
|
|
!VALID_CMD_RESP_HEADER(resp_data,
|
|
GEN5_CMD_EXECUTE_PANEL_SCAN) ||
|
|
!PIP_CMD_COMPLETE_SUCCESS(resp_data))
|
|
return error ? error : -EAGAIN;
|
|
|
|
return 0;
|
|
}
|
|
|
|
static int cyapa_gen5_read_panel_scan_raw_data(struct cyapa *cyapa,
|
|
u8 cmd_code, u8 raw_data_type, int raw_data_max_num,
|
|
int *raw_data_max, int *raw_data_min, int *raw_data_ave,
|
|
u8 *buffer)
|
|
{
|
|
struct pip_app_cmd_head *app_cmd_head;
|
|
struct gen5_retrieve_panel_scan_data *panel_sacn_data;
|
|
u8 cmd[12];
|
|
u8 resp_data[256]; /* Max bytes can transfer one time. */
|
|
int resp_len;
|
|
int read_elements;
|
|
int read_len;
|
|
u16 offset;
|
|
s32 value;
|
|
int sum, count;
|
|
int data_size;
|
|
s32 *intp;
|
|
int i;
|
|
int error;
|
|
|
|
if (cmd_code != GEN5_CMD_RETRIEVE_PANEL_SCAN ||
|
|
(raw_data_type > GEN5_PANEL_SCAN_SELF_DIFFCOUNT) ||
|
|
!raw_data_max || !raw_data_min || !raw_data_ave)
|
|
return -EINVAL;
|
|
|
|
intp = (s32 *)buffer;
|
|
*raw_data_max = INT_MIN;
|
|
*raw_data_min = INT_MAX;
|
|
sum = count = 0;
|
|
offset = 0;
|
|
/* Assume max element size is 4 currently. */
|
|
read_elements = (256 - GEN5_RESP_DATA_STRUCTURE_OFFSET) / 4;
|
|
read_len = read_elements * 4;
|
|
app_cmd_head = (struct pip_app_cmd_head *)cmd;
|
|
put_unaligned_le16(PIP_OUTPUT_REPORT_ADDR, &app_cmd_head->addr);
|
|
put_unaligned_le16(sizeof(cmd) - 2, &app_cmd_head->length);
|
|
app_cmd_head->report_id = PIP_APP_CMD_REPORT_ID;
|
|
app_cmd_head->cmd_code = cmd_code;
|
|
panel_sacn_data = (struct gen5_retrieve_panel_scan_data *)
|
|
app_cmd_head->parameter_data;
|
|
do {
|
|
put_unaligned_le16(offset, &panel_sacn_data->read_offset);
|
|
put_unaligned_le16(read_elements,
|
|
&panel_sacn_data->read_elements);
|
|
panel_sacn_data->data_id = raw_data_type;
|
|
|
|
resp_len = GEN5_RESP_DATA_STRUCTURE_OFFSET + read_len;
|
|
error = cyapa_i2c_pip_cmd_irq_sync(cyapa,
|
|
cmd, sizeof(cmd),
|
|
resp_data, &resp_len,
|
|
500, cyapa_sort_tsg_pip_app_resp_data, true);
|
|
if (error || resp_len < GEN5_RESP_DATA_STRUCTURE_OFFSET ||
|
|
!VALID_CMD_RESP_HEADER(resp_data, cmd_code) ||
|
|
!PIP_CMD_COMPLETE_SUCCESS(resp_data) ||
|
|
resp_data[6] != raw_data_type)
|
|
return error ? error : -EAGAIN;
|
|
|
|
read_elements = get_unaligned_le16(&resp_data[7]);
|
|
if (read_elements == 0)
|
|
break;
|
|
|
|
data_size = (resp_data[9] & GEN5_PWC_DATA_ELEMENT_SIZE_MASK);
|
|
offset += read_elements;
|
|
if (read_elements) {
|
|
for (i = GEN5_RESP_DATA_STRUCTURE_OFFSET;
|
|
i < (read_elements * data_size +
|
|
GEN5_RESP_DATA_STRUCTURE_OFFSET);
|
|
i += data_size) {
|
|
value = cyapa_parse_structure_data(resp_data[9],
|
|
&resp_data[i], data_size);
|
|
*raw_data_min = min(value, *raw_data_min);
|
|
*raw_data_max = max(value, *raw_data_max);
|
|
|
|
if (intp)
|
|
put_unaligned_le32(value, &intp[count]);
|
|
|
|
sum += value;
|
|
count++;
|
|
|
|
}
|
|
}
|
|
|
|
if (count >= raw_data_max_num)
|
|
break;
|
|
|
|
read_elements = (sizeof(resp_data) -
|
|
GEN5_RESP_DATA_STRUCTURE_OFFSET) / data_size;
|
|
read_len = read_elements * data_size;
|
|
} while (true);
|
|
|
|
*raw_data_ave = count ? (sum / count) : 0;
|
|
|
|
return 0;
|
|
}
|
|
|
|
static ssize_t cyapa_gen5_show_baseline(struct device *dev,
|
|
struct device_attribute *attr, char *buf)
|
|
{
|
|
struct cyapa *cyapa = dev_get_drvdata(dev);
|
|
int gidac_mutual_max, gidac_mutual_min, gidac_mutual_ave;
|
|
int lidac_mutual_max, lidac_mutual_min, lidac_mutual_ave;
|
|
int gidac_self_rx, gidac_self_tx;
|
|
int lidac_self_max, lidac_self_min, lidac_self_ave;
|
|
int raw_cap_mutual_max, raw_cap_mutual_min, raw_cap_mutual_ave;
|
|
int raw_cap_self_max, raw_cap_self_min, raw_cap_self_ave;
|
|
int mutual_diffdata_max, mutual_diffdata_min, mutual_diffdata_ave;
|
|
int self_diffdata_max, self_diffdata_min, self_diffdata_ave;
|
|
int mutual_baseline_max, mutual_baseline_min, mutual_baseline_ave;
|
|
int self_baseline_max, self_baseline_min, self_baseline_ave;
|
|
int error, resume_error;
|
|
int size;
|
|
|
|
if (!cyapa_is_pip_app_mode(cyapa))
|
|
return -EBUSY;
|
|
|
|
/* 1. Suspend Scanning*/
|
|
error = cyapa_pip_suspend_scanning(cyapa);
|
|
if (error)
|
|
return error;
|
|
|
|
/* 2. Read global and local mutual IDAC data. */
|
|
gidac_self_rx = gidac_self_tx = 0;
|
|
error = cyapa_gen5_read_mutual_idac_data(cyapa,
|
|
&gidac_mutual_max, &gidac_mutual_min,
|
|
&gidac_mutual_ave, &lidac_mutual_max,
|
|
&lidac_mutual_min, &lidac_mutual_ave);
|
|
if (error)
|
|
goto resume_scanning;
|
|
|
|
/* 3. Read global and local self IDAC data. */
|
|
error = cyapa_gen5_read_self_idac_data(cyapa,
|
|
&gidac_self_rx, &gidac_self_tx,
|
|
&lidac_self_max, &lidac_self_min,
|
|
&lidac_self_ave);
|
|
if (error)
|
|
goto resume_scanning;
|
|
|
|
/* 4. Execute panel scan. It must be executed before read data. */
|
|
error = cyapa_gen5_execute_panel_scan(cyapa);
|
|
if (error)
|
|
goto resume_scanning;
|
|
|
|
/* 5. Retrieve panel scan, mutual cap raw data. */
|
|
error = cyapa_gen5_read_panel_scan_raw_data(cyapa,
|
|
GEN5_CMD_RETRIEVE_PANEL_SCAN,
|
|
GEN5_PANEL_SCAN_MUTUAL_RAW_DATA,
|
|
cyapa->electrodes_x * cyapa->electrodes_y,
|
|
&raw_cap_mutual_max, &raw_cap_mutual_min,
|
|
&raw_cap_mutual_ave,
|
|
NULL);
|
|
if (error)
|
|
goto resume_scanning;
|
|
|
|
/* 6. Retrieve panel scan, self cap raw data. */
|
|
error = cyapa_gen5_read_panel_scan_raw_data(cyapa,
|
|
GEN5_CMD_RETRIEVE_PANEL_SCAN,
|
|
GEN5_PANEL_SCAN_SELF_RAW_DATA,
|
|
cyapa->electrodes_x + cyapa->electrodes_y,
|
|
&raw_cap_self_max, &raw_cap_self_min,
|
|
&raw_cap_self_ave,
|
|
NULL);
|
|
if (error)
|
|
goto resume_scanning;
|
|
|
|
/* 7. Retrieve panel scan, mutual cap diffcount raw data. */
|
|
error = cyapa_gen5_read_panel_scan_raw_data(cyapa,
|
|
GEN5_CMD_RETRIEVE_PANEL_SCAN,
|
|
GEN5_PANEL_SCAN_MUTUAL_DIFFCOUNT,
|
|
cyapa->electrodes_x * cyapa->electrodes_y,
|
|
&mutual_diffdata_max, &mutual_diffdata_min,
|
|
&mutual_diffdata_ave,
|
|
NULL);
|
|
if (error)
|
|
goto resume_scanning;
|
|
|
|
/* 8. Retrieve panel scan, self cap diffcount raw data. */
|
|
error = cyapa_gen5_read_panel_scan_raw_data(cyapa,
|
|
GEN5_CMD_RETRIEVE_PANEL_SCAN,
|
|
GEN5_PANEL_SCAN_SELF_DIFFCOUNT,
|
|
cyapa->electrodes_x + cyapa->electrodes_y,
|
|
&self_diffdata_max, &self_diffdata_min,
|
|
&self_diffdata_ave,
|
|
NULL);
|
|
if (error)
|
|
goto resume_scanning;
|
|
|
|
/* 9. Retrieve panel scan, mutual cap baseline raw data. */
|
|
error = cyapa_gen5_read_panel_scan_raw_data(cyapa,
|
|
GEN5_CMD_RETRIEVE_PANEL_SCAN,
|
|
GEN5_PANEL_SCAN_MUTUAL_BASELINE,
|
|
cyapa->electrodes_x * cyapa->electrodes_y,
|
|
&mutual_baseline_max, &mutual_baseline_min,
|
|
&mutual_baseline_ave,
|
|
NULL);
|
|
if (error)
|
|
goto resume_scanning;
|
|
|
|
/* 10. Retrieve panel scan, self cap baseline raw data. */
|
|
error = cyapa_gen5_read_panel_scan_raw_data(cyapa,
|
|
GEN5_CMD_RETRIEVE_PANEL_SCAN,
|
|
GEN5_PANEL_SCAN_SELF_BASELINE,
|
|
cyapa->electrodes_x + cyapa->electrodes_y,
|
|
&self_baseline_max, &self_baseline_min,
|
|
&self_baseline_ave,
|
|
NULL);
|
|
if (error)
|
|
goto resume_scanning;
|
|
|
|
resume_scanning:
|
|
/* 11. Resume Scanning*/
|
|
resume_error = cyapa_pip_resume_scanning(cyapa);
|
|
if (resume_error || error)
|
|
return resume_error ? resume_error : error;
|
|
|
|
/* 12. Output data strings */
|
|
size = scnprintf(buf, PAGE_SIZE, "%d %d %d %d %d %d %d %d %d %d %d ",
|
|
gidac_mutual_min, gidac_mutual_max, gidac_mutual_ave,
|
|
lidac_mutual_min, lidac_mutual_max, lidac_mutual_ave,
|
|
gidac_self_rx, gidac_self_tx,
|
|
lidac_self_min, lidac_self_max, lidac_self_ave);
|
|
size += scnprintf(buf + size, PAGE_SIZE - size,
|
|
"%d %d %d %d %d %d %d %d %d %d %d %d %d %d %d %d %d %d\n",
|
|
raw_cap_mutual_min, raw_cap_mutual_max, raw_cap_mutual_ave,
|
|
raw_cap_self_min, raw_cap_self_max, raw_cap_self_ave,
|
|
mutual_diffdata_min, mutual_diffdata_max, mutual_diffdata_ave,
|
|
self_diffdata_min, self_diffdata_max, self_diffdata_ave,
|
|
mutual_baseline_min, mutual_baseline_max, mutual_baseline_ave,
|
|
self_baseline_min, self_baseline_max, self_baseline_ave);
|
|
return size;
|
|
}
|
|
|
|
bool cyapa_pip_sort_system_info_data(struct cyapa *cyapa,
|
|
u8 *buf, int len)
|
|
{
|
|
/* Check the report id and command code */
|
|
if (VALID_CMD_RESP_HEADER(buf, 0x02))
|
|
return true;
|
|
|
|
return false;
|
|
}
|
|
|
|
static int cyapa_gen5_bl_query_data(struct cyapa *cyapa)
|
|
{
|
|
u8 resp_data[PIP_BL_APP_INFO_RESP_LENGTH];
|
|
int resp_len;
|
|
int error;
|
|
|
|
resp_len = sizeof(resp_data);
|
|
error = cyapa_i2c_pip_cmd_irq_sync(cyapa,
|
|
pip_bl_read_app_info, PIP_BL_READ_APP_INFO_CMD_LENGTH,
|
|
resp_data, &resp_len,
|
|
500, cyapa_sort_tsg_pip_bl_resp_data, false);
|
|
if (error || resp_len < PIP_BL_APP_INFO_RESP_LENGTH ||
|
|
!PIP_CMD_COMPLETE_SUCCESS(resp_data))
|
|
return error ? error : -EIO;
|
|
|
|
memcpy(&cyapa->product_id[0], &resp_data[8], 5);
|
|
cyapa->product_id[5] = '-';
|
|
memcpy(&cyapa->product_id[6], &resp_data[13], 6);
|
|
cyapa->product_id[12] = '-';
|
|
memcpy(&cyapa->product_id[13], &resp_data[19], 2);
|
|
cyapa->product_id[15] = '\0';
|
|
|
|
cyapa->fw_maj_ver = resp_data[22];
|
|
cyapa->fw_min_ver = resp_data[23];
|
|
|
|
cyapa->platform_ver = (resp_data[26] >> PIP_BL_PLATFORM_VER_SHIFT) &
|
|
PIP_BL_PLATFORM_VER_MASK;
|
|
|
|
return 0;
|
|
}
|
|
|
|
static int cyapa_gen5_get_query_data(struct cyapa *cyapa)
|
|
{
|
|
u8 resp_data[PIP_READ_SYS_INFO_RESP_LENGTH];
|
|
int resp_len;
|
|
u16 product_family;
|
|
int error;
|
|
|
|
resp_len = sizeof(resp_data);
|
|
error = cyapa_i2c_pip_cmd_irq_sync(cyapa,
|
|
pip_read_sys_info, PIP_READ_SYS_INFO_CMD_LENGTH,
|
|
resp_data, &resp_len,
|
|
2000, cyapa_pip_sort_system_info_data, false);
|
|
if (error || resp_len < sizeof(resp_data))
|
|
return error ? error : -EIO;
|
|
|
|
product_family = get_unaligned_le16(&resp_data[7]);
|
|
if ((product_family & PIP_PRODUCT_FAMILY_MASK) !=
|
|
PIP_PRODUCT_FAMILY_TRACKPAD)
|
|
return -EINVAL;
|
|
|
|
cyapa->platform_ver = (resp_data[49] >> PIP_BL_PLATFORM_VER_SHIFT) &
|
|
PIP_BL_PLATFORM_VER_MASK;
|
|
if (cyapa->gen == CYAPA_GEN5 && cyapa->platform_ver < 2) {
|
|
/* Gen5 firmware that does not support proximity. */
|
|
cyapa->fw_maj_ver = resp_data[15];
|
|
cyapa->fw_min_ver = resp_data[16];
|
|
} else {
|
|
cyapa->fw_maj_ver = resp_data[9];
|
|
cyapa->fw_min_ver = resp_data[10];
|
|
}
|
|
|
|
cyapa->electrodes_x = resp_data[52];
|
|
cyapa->electrodes_y = resp_data[53];
|
|
|
|
cyapa->physical_size_x = get_unaligned_le16(&resp_data[54]) / 100;
|
|
cyapa->physical_size_y = get_unaligned_le16(&resp_data[56]) / 100;
|
|
|
|
cyapa->max_abs_x = get_unaligned_le16(&resp_data[58]);
|
|
cyapa->max_abs_y = get_unaligned_le16(&resp_data[60]);
|
|
|
|
cyapa->max_z = get_unaligned_le16(&resp_data[62]);
|
|
|
|
cyapa->x_origin = resp_data[64] & 0x01;
|
|
cyapa->y_origin = resp_data[65] & 0x01;
|
|
|
|
cyapa->btn_capability = (resp_data[70] << 3) & CAPABILITY_BTN_MASK;
|
|
|
|
memcpy(&cyapa->product_id[0], &resp_data[33], 5);
|
|
cyapa->product_id[5] = '-';
|
|
memcpy(&cyapa->product_id[6], &resp_data[38], 6);
|
|
cyapa->product_id[12] = '-';
|
|
memcpy(&cyapa->product_id[13], &resp_data[44], 2);
|
|
cyapa->product_id[15] = '\0';
|
|
|
|
if (!cyapa->electrodes_x || !cyapa->electrodes_y ||
|
|
!cyapa->physical_size_x || !cyapa->physical_size_y ||
|
|
!cyapa->max_abs_x || !cyapa->max_abs_y || !cyapa->max_z)
|
|
return -EINVAL;
|
|
|
|
return 0;
|
|
}
|
|
|
|
static int cyapa_gen5_do_operational_check(struct cyapa *cyapa)
|
|
{
|
|
struct device *dev = &cyapa->client->dev;
|
|
int error;
|
|
|
|
if (cyapa->gen != CYAPA_GEN5)
|
|
return -ENODEV;
|
|
|
|
switch (cyapa->state) {
|
|
case CYAPA_STATE_GEN5_BL:
|
|
error = cyapa_pip_bl_exit(cyapa);
|
|
if (error) {
|
|
/* Try to update trackpad product information. */
|
|
cyapa_gen5_bl_query_data(cyapa);
|
|
goto out;
|
|
}
|
|
|
|
cyapa->state = CYAPA_STATE_GEN5_APP;
|
|
fallthrough;
|
|
|
|
case CYAPA_STATE_GEN5_APP:
|
|
/*
|
|
* If trackpad device in deep sleep mode,
|
|
* the app command will fail.
|
|
* So always try to reset trackpad device to full active when
|
|
* the device state is required.
|
|
*/
|
|
error = cyapa_gen5_set_power_mode(cyapa,
|
|
PWR_MODE_FULL_ACTIVE, 0, CYAPA_PM_ACTIVE);
|
|
if (error)
|
|
dev_warn(dev, "%s: failed to set power active mode.\n",
|
|
__func__);
|
|
|
|
/* By default, the trackpad proximity function is enabled. */
|
|
if (cyapa->platform_ver >= 2) {
|
|
error = cyapa_pip_set_proximity(cyapa, true);
|
|
if (error)
|
|
dev_warn(dev,
|
|
"%s: failed to enable proximity.\n",
|
|
__func__);
|
|
}
|
|
|
|
/* Get trackpad product information. */
|
|
error = cyapa_gen5_get_query_data(cyapa);
|
|
if (error)
|
|
goto out;
|
|
/* Only support product ID starting with CYTRA */
|
|
if (memcmp(cyapa->product_id, product_id,
|
|
strlen(product_id)) != 0) {
|
|
dev_err(dev, "%s: unknown product ID (%s)\n",
|
|
__func__, cyapa->product_id);
|
|
error = -EINVAL;
|
|
}
|
|
break;
|
|
default:
|
|
error = -EINVAL;
|
|
}
|
|
|
|
out:
|
|
return error;
|
|
}
|
|
|
|
/*
|
|
* Return false, do not continue process
|
|
* Return true, continue process.
|
|
*/
|
|
bool cyapa_pip_irq_cmd_handler(struct cyapa *cyapa)
|
|
{
|
|
struct cyapa_pip_cmd_states *pip = &cyapa->cmd_states.pip;
|
|
int length;
|
|
|
|
if (atomic_read(&pip->cmd_issued)) {
|
|
/* Polling command response data. */
|
|
if (pip->is_irq_mode == false)
|
|
return false;
|
|
|
|
/*
|
|
* Read out all none command response data.
|
|
* these output data may caused by user put finger on
|
|
* trackpad when host waiting the command response.
|
|
*/
|
|
cyapa_i2c_pip_read(cyapa, pip->irq_cmd_buf,
|
|
PIP_RESP_LENGTH_SIZE);
|
|
length = get_unaligned_le16(pip->irq_cmd_buf);
|
|
length = (length <= PIP_RESP_LENGTH_SIZE) ?
|
|
PIP_RESP_LENGTH_SIZE : length;
|
|
if (length > PIP_RESP_LENGTH_SIZE)
|
|
cyapa_i2c_pip_read(cyapa,
|
|
pip->irq_cmd_buf, length);
|
|
if (!(pip->resp_sort_func &&
|
|
pip->resp_sort_func(cyapa,
|
|
pip->irq_cmd_buf, length))) {
|
|
/*
|
|
* Cover the Gen5 V1 firmware issue.
|
|
* The issue is no interrupt would be asserted from
|
|
* trackpad device to host for the command response
|
|
* ready event. Because when there was a finger touch
|
|
* on trackpad device, and the firmware output queue
|
|
* won't be empty (always with touch report data), so
|
|
* the interrupt signal won't be asserted again until
|
|
* the output queue was previous emptied.
|
|
* This issue would happen in the scenario that
|
|
* user always has his/her fingers touched on the
|
|
* trackpad device during system booting/rebooting.
|
|
*/
|
|
length = 0;
|
|
if (pip->resp_len)
|
|
length = *pip->resp_len;
|
|
cyapa_empty_pip_output_data(cyapa,
|
|
pip->resp_data,
|
|
&length,
|
|
pip->resp_sort_func);
|
|
if (pip->resp_len && length != 0) {
|
|
*pip->resp_len = length;
|
|
atomic_dec(&pip->cmd_issued);
|
|
complete(&pip->cmd_ready);
|
|
}
|
|
return false;
|
|
}
|
|
|
|
if (pip->resp_data && pip->resp_len) {
|
|
*pip->resp_len = (*pip->resp_len < length) ?
|
|
*pip->resp_len : length;
|
|
memcpy(pip->resp_data, pip->irq_cmd_buf,
|
|
*pip->resp_len);
|
|
}
|
|
atomic_dec(&pip->cmd_issued);
|
|
complete(&pip->cmd_ready);
|
|
return false;
|
|
}
|
|
|
|
return true;
|
|
}
|
|
|
|
static void cyapa_pip_report_buttons(struct cyapa *cyapa,
|
|
const struct cyapa_pip_report_data *report_data)
|
|
{
|
|
struct input_dev *input = cyapa->input;
|
|
u8 buttons = report_data->report_head[PIP_BUTTONS_OFFSET];
|
|
|
|
buttons = (buttons << CAPABILITY_BTN_SHIFT) & CAPABILITY_BTN_MASK;
|
|
|
|
if (cyapa->btn_capability & CAPABILITY_LEFT_BTN_MASK) {
|
|
input_report_key(input, BTN_LEFT,
|
|
!!(buttons & CAPABILITY_LEFT_BTN_MASK));
|
|
}
|
|
if (cyapa->btn_capability & CAPABILITY_MIDDLE_BTN_MASK) {
|
|
input_report_key(input, BTN_MIDDLE,
|
|
!!(buttons & CAPABILITY_MIDDLE_BTN_MASK));
|
|
}
|
|
if (cyapa->btn_capability & CAPABILITY_RIGHT_BTN_MASK) {
|
|
input_report_key(input, BTN_RIGHT,
|
|
!!(buttons & CAPABILITY_RIGHT_BTN_MASK));
|
|
}
|
|
|
|
input_sync(input);
|
|
}
|
|
|
|
static void cyapa_pip_report_proximity(struct cyapa *cyapa,
|
|
const struct cyapa_pip_report_data *report_data)
|
|
{
|
|
struct input_dev *input = cyapa->input;
|
|
u8 distance = report_data->report_head[PIP_PROXIMITY_DISTANCE_OFFSET] &
|
|
PIP_PROXIMITY_DISTANCE_MASK;
|
|
|
|
input_report_abs(input, ABS_DISTANCE, distance);
|
|
input_sync(input);
|
|
}
|
|
|
|
static void cyapa_pip_report_slot_data(struct cyapa *cyapa,
|
|
const struct cyapa_pip_touch_record *touch)
|
|
{
|
|
struct input_dev *input = cyapa->input;
|
|
u8 event_id = PIP_GET_EVENT_ID(touch->touch_tip_event_id);
|
|
int slot = PIP_GET_TOUCH_ID(touch->touch_tip_event_id);
|
|
int x, y;
|
|
|
|
if (event_id == RECORD_EVENT_LIFTOFF)
|
|
return;
|
|
|
|
input_mt_slot(input, slot);
|
|
input_mt_report_slot_state(input, MT_TOOL_FINGER, true);
|
|
x = (touch->x_hi << 8) | touch->x_lo;
|
|
if (cyapa->x_origin)
|
|
x = cyapa->max_abs_x - x;
|
|
y = (touch->y_hi << 8) | touch->y_lo;
|
|
if (cyapa->y_origin)
|
|
y = cyapa->max_abs_y - y;
|
|
input_report_abs(input, ABS_MT_POSITION_X, x);
|
|
input_report_abs(input, ABS_MT_POSITION_Y, y);
|
|
input_report_abs(input, ABS_DISTANCE, 0);
|
|
input_report_abs(input, ABS_MT_PRESSURE,
|
|
touch->z);
|
|
input_report_abs(input, ABS_MT_TOUCH_MAJOR,
|
|
touch->major_axis_len);
|
|
input_report_abs(input, ABS_MT_TOUCH_MINOR,
|
|
touch->minor_axis_len);
|
|
|
|
input_report_abs(input, ABS_MT_WIDTH_MAJOR,
|
|
touch->major_tool_len);
|
|
input_report_abs(input, ABS_MT_WIDTH_MINOR,
|
|
touch->minor_tool_len);
|
|
|
|
input_report_abs(input, ABS_MT_ORIENTATION,
|
|
touch->orientation);
|
|
}
|
|
|
|
static void cyapa_pip_report_touches(struct cyapa *cyapa,
|
|
const struct cyapa_pip_report_data *report_data)
|
|
{
|
|
struct input_dev *input = cyapa->input;
|
|
unsigned int touch_num;
|
|
int i;
|
|
|
|
touch_num = report_data->report_head[PIP_NUMBER_OF_TOUCH_OFFSET] &
|
|
PIP_NUMBER_OF_TOUCH_MASK;
|
|
|
|
for (i = 0; i < touch_num; i++)
|
|
cyapa_pip_report_slot_data(cyapa,
|
|
&report_data->touch_records[i]);
|
|
|
|
input_mt_sync_frame(input);
|
|
input_sync(input);
|
|
}
|
|
|
|
int cyapa_pip_irq_handler(struct cyapa *cyapa)
|
|
{
|
|
struct device *dev = &cyapa->client->dev;
|
|
struct cyapa_pip_report_data report_data;
|
|
unsigned int report_len;
|
|
int ret;
|
|
|
|
if (!cyapa_is_pip_app_mode(cyapa)) {
|
|
dev_err(dev, "invalid device state, gen=%d, state=0x%02x\n",
|
|
cyapa->gen, cyapa->state);
|
|
return -EINVAL;
|
|
}
|
|
|
|
ret = cyapa_i2c_pip_read(cyapa, (u8 *)&report_data,
|
|
PIP_RESP_LENGTH_SIZE);
|
|
if (ret != PIP_RESP_LENGTH_SIZE) {
|
|
dev_err(dev, "failed to read length bytes, (%d)\n", ret);
|
|
return -EINVAL;
|
|
}
|
|
|
|
report_len = get_unaligned_le16(
|
|
&report_data.report_head[PIP_RESP_LENGTH_OFFSET]);
|
|
if (report_len < PIP_RESP_LENGTH_SIZE) {
|
|
/* Invalid length or internal reset happened. */
|
|
dev_err(dev, "invalid report_len=%d. bytes: %02x %02x\n",
|
|
report_len, report_data.report_head[0],
|
|
report_data.report_head[1]);
|
|
return -EINVAL;
|
|
}
|
|
|
|
/* Idle, no data for report. */
|
|
if (report_len == PIP_RESP_LENGTH_SIZE)
|
|
return 0;
|
|
|
|
ret = cyapa_i2c_pip_read(cyapa, (u8 *)&report_data, report_len);
|
|
if (ret != report_len) {
|
|
dev_err(dev, "failed to read %d bytes report data, (%d)\n",
|
|
report_len, ret);
|
|
return -EINVAL;
|
|
}
|
|
|
|
return cyapa_pip_event_process(cyapa, &report_data);
|
|
}
|
|
|
|
static int cyapa_pip_event_process(struct cyapa *cyapa,
|
|
struct cyapa_pip_report_data *report_data)
|
|
{
|
|
struct device *dev = &cyapa->client->dev;
|
|
unsigned int report_len;
|
|
u8 report_id;
|
|
|
|
report_len = get_unaligned_le16(
|
|
&report_data->report_head[PIP_RESP_LENGTH_OFFSET]);
|
|
/* Idle, no data for report. */
|
|
if (report_len == PIP_RESP_LENGTH_SIZE)
|
|
return 0;
|
|
|
|
report_id = report_data->report_head[PIP_RESP_REPORT_ID_OFFSET];
|
|
if (report_id == PIP_WAKEUP_EVENT_REPORT_ID &&
|
|
report_len == PIP_WAKEUP_EVENT_SIZE) {
|
|
/*
|
|
* Device wake event from deep sleep mode for touch.
|
|
* This interrupt event is used to wake system up.
|
|
*
|
|
* Note:
|
|
* It will introduce about 20~40 ms additional delay
|
|
* time in receiving for first valid touch report data.
|
|
* The time is used to execute device runtime resume
|
|
* process.
|
|
*/
|
|
pm_runtime_get_sync(dev);
|
|
pm_runtime_mark_last_busy(dev);
|
|
pm_runtime_put_sync_autosuspend(dev);
|
|
return 0;
|
|
} else if (report_id != PIP_TOUCH_REPORT_ID &&
|
|
report_id != PIP_BTN_REPORT_ID &&
|
|
report_id != GEN5_OLD_PUSH_BTN_REPORT_ID &&
|
|
report_id != PIP_PUSH_BTN_REPORT_ID &&
|
|
report_id != PIP_PROXIMITY_REPORT_ID) {
|
|
/* Running in BL mode or unknown response data read. */
|
|
dev_err(dev, "invalid report_id=0x%02x\n", report_id);
|
|
return -EINVAL;
|
|
}
|
|
|
|
if (report_id == PIP_TOUCH_REPORT_ID &&
|
|
(report_len < PIP_TOUCH_REPORT_HEAD_SIZE ||
|
|
report_len > PIP_TOUCH_REPORT_MAX_SIZE)) {
|
|
/* Invalid report data length for finger packet. */
|
|
dev_err(dev, "invalid touch packet length=%d\n", report_len);
|
|
return 0;
|
|
}
|
|
|
|
if ((report_id == PIP_BTN_REPORT_ID ||
|
|
report_id == GEN5_OLD_PUSH_BTN_REPORT_ID ||
|
|
report_id == PIP_PUSH_BTN_REPORT_ID) &&
|
|
(report_len < PIP_BTN_REPORT_HEAD_SIZE ||
|
|
report_len > PIP_BTN_REPORT_MAX_SIZE)) {
|
|
/* Invalid report data length of button packet. */
|
|
dev_err(dev, "invalid button packet length=%d\n", report_len);
|
|
return 0;
|
|
}
|
|
|
|
if (report_id == PIP_PROXIMITY_REPORT_ID &&
|
|
report_len != PIP_PROXIMITY_REPORT_SIZE) {
|
|
/* Invalid report data length of proximity packet. */
|
|
dev_err(dev, "invalid proximity data, length=%d\n", report_len);
|
|
return 0;
|
|
}
|
|
|
|
if (report_id == PIP_TOUCH_REPORT_ID)
|
|
cyapa_pip_report_touches(cyapa, report_data);
|
|
else if (report_id == PIP_PROXIMITY_REPORT_ID)
|
|
cyapa_pip_report_proximity(cyapa, report_data);
|
|
else
|
|
cyapa_pip_report_buttons(cyapa, report_data);
|
|
|
|
return 0;
|
|
}
|
|
|
|
int cyapa_pip_bl_activate(struct cyapa *cyapa) { return 0; }
|
|
int cyapa_pip_bl_deactivate(struct cyapa *cyapa) { return 0; }
|
|
|
|
|
|
const struct cyapa_dev_ops cyapa_gen5_ops = {
|
|
.check_fw = cyapa_pip_check_fw,
|
|
.bl_enter = cyapa_pip_bl_enter,
|
|
.bl_initiate = cyapa_pip_bl_initiate,
|
|
.update_fw = cyapa_pip_do_fw_update,
|
|
.bl_activate = cyapa_pip_bl_activate,
|
|
.bl_deactivate = cyapa_pip_bl_deactivate,
|
|
|
|
.show_baseline = cyapa_gen5_show_baseline,
|
|
.calibrate_store = cyapa_pip_do_calibrate,
|
|
|
|
.initialize = cyapa_pip_cmd_state_initialize,
|
|
|
|
.state_parse = cyapa_gen5_state_parse,
|
|
.operational_check = cyapa_gen5_do_operational_check,
|
|
|
|
.irq_handler = cyapa_pip_irq_handler,
|
|
.irq_cmd_handler = cyapa_pip_irq_cmd_handler,
|
|
.sort_empty_output_data = cyapa_empty_pip_output_data,
|
|
.set_power_mode = cyapa_gen5_set_power_mode,
|
|
|
|
.set_proximity = cyapa_pip_set_proximity,
|
|
};
|