Orange Pi5 kernel

Deprecated Linux kernel 5.10.110 for OrangePi 5/5B/5+ boards

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^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300    1) /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300    2)  * Cypress APA trackpad with I2C interface
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300    3)  *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300    4)  * Author: Dudley Du <dudl@cypress.com>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300    5)  *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300    6)  * Copyright (C) 2014-2015 Cypress Semiconductor, Inc.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300    7)  *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300    8)  * This file is subject to the terms and conditions of the GNU General Public
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300    9)  * License.  See the file COPYING in the main directory of this archive for
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   10)  * more details.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   11)  */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   12) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   13) #include <linux/delay.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   14) #include <linux/i2c.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   15) #include <linux/input.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   16) #include <linux/input/mt.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   17) #include <linux/mutex.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   18) #include <linux/completion.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   19) #include <linux/slab.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   20) #include <asm/unaligned.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   21) #include <linux/crc-itu-t.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   22) #include <linux/pm_runtime.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   23) #include "cyapa.h"
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   24) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   25) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   26) /* Macro of TSG firmware image */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   27) #define CYAPA_TSG_FLASH_MAP_BLOCK_SIZE      0x80
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   28) #define CYAPA_TSG_IMG_FW_HDR_SIZE           13
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   29) #define CYAPA_TSG_FW_ROW_SIZE               (CYAPA_TSG_FLASH_MAP_BLOCK_SIZE)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   30) #define CYAPA_TSG_IMG_START_ROW_NUM         0x002e
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   31) #define CYAPA_TSG_IMG_END_ROW_NUM           0x01fe
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   32) #define CYAPA_TSG_IMG_APP_INTEGRITY_ROW_NUM 0x01ff
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   33) #define CYAPA_TSG_IMG_MAX_RECORDS           (CYAPA_TSG_IMG_END_ROW_NUM - \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   34) 				CYAPA_TSG_IMG_START_ROW_NUM + 1 + 1)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   35) #define CYAPA_TSG_IMG_READ_SIZE             (CYAPA_TSG_FLASH_MAP_BLOCK_SIZE / 2)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   36) #define CYAPA_TSG_START_OF_APPLICATION      0x1700
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   37) #define CYAPA_TSG_APP_INTEGRITY_SIZE        60
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   38) #define CYAPA_TSG_FLASH_MAP_METADATA_SIZE   60
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   39) #define CYAPA_TSG_BL_KEY_SIZE               8
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   40) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   41) #define CYAPA_TSG_MAX_CMD_SIZE              256
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   42) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   43) /* Macro of PIP interface */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   44) #define PIP_BL_INITIATE_RESP_LEN            11
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   45) #define PIP_BL_FAIL_EXIT_RESP_LEN           11
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   46) #define PIP_BL_FAIL_EXIT_STATUS_CODE        0x0c
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   47) #define PIP_BL_VERIFY_INTEGRITY_RESP_LEN    12
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   48) #define PIP_BL_INTEGRITY_CHEKC_PASS         0x00
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   49) #define PIP_BL_BLOCK_WRITE_RESP_LEN         11
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   50) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   51) #define PIP_TOUCH_REPORT_ID         0x01
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   52) #define PIP_BTN_REPORT_ID           0x03
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   53) #define PIP_WAKEUP_EVENT_REPORT_ID  0x04
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   54) #define PIP_PUSH_BTN_REPORT_ID      0x06
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   55) #define GEN5_OLD_PUSH_BTN_REPORT_ID 0x05  /* Special for old Gen5 TP. */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   56) #define PIP_PROXIMITY_REPORT_ID     0x07
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   57) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   58) #define PIP_PROXIMITY_REPORT_SIZE	6
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   59) #define PIP_PROXIMITY_DISTANCE_OFFSET	0x05
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   60) #define PIP_PROXIMITY_DISTANCE_MASK	0x01
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   61) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   62) #define PIP_TOUCH_REPORT_HEAD_SIZE     7
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   63) #define PIP_TOUCH_REPORT_MAX_SIZE      127
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   64) #define PIP_BTN_REPORT_HEAD_SIZE       6
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   65) #define PIP_BTN_REPORT_MAX_SIZE        14
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   66) #define PIP_WAKEUP_EVENT_SIZE          4
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   67) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   68) #define PIP_NUMBER_OF_TOUCH_OFFSET  5
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   69) #define PIP_NUMBER_OF_TOUCH_MASK    0x1f
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   70) #define PIP_BUTTONS_OFFSET          5
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   71) #define PIP_BUTTONS_MASK            0x0f
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   72) #define PIP_GET_EVENT_ID(reg)       (((reg) >> 5) & 0x03)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   73) #define PIP_GET_TOUCH_ID(reg)       ((reg) & 0x1f)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   74) #define PIP_TOUCH_TYPE_FINGER	    0x00
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   75) #define PIP_TOUCH_TYPE_PROXIMITY    0x01
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   76) #define PIP_TOUCH_TYPE_HOVER	    0x02
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   77) #define PIP_GET_TOUCH_TYPE(reg)     ((reg) & 0x07)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   78) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   79) #define RECORD_EVENT_NONE        0
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   80) #define RECORD_EVENT_TOUCHDOWN	 1
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   81) #define RECORD_EVENT_DISPLACE    2
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   82) #define RECORD_EVENT_LIFTOFF     3
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   83) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   84) #define PIP_SENSING_MODE_MUTUAL_CAP_FINE   0x00
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   85) #define PIP_SENSING_MODE_SELF_CAP          0x02
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   86) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   87) #define PIP_SET_PROXIMITY	0x49
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   88) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   89) /* Macro of Gen5 */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   90) #define GEN5_BL_MAX_OUTPUT_LENGTH     0x0100
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   91) #define GEN5_APP_MAX_OUTPUT_LENGTH    0x00fe
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   92) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   93) #define GEN5_POWER_STATE_ACTIVE              0x01
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   94) #define GEN5_POWER_STATE_LOOK_FOR_TOUCH      0x02
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   95) #define GEN5_POWER_STATE_READY               0x03
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   96) #define GEN5_POWER_STATE_IDLE                0x04
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   97) #define GEN5_POWER_STATE_BTN_ONLY            0x05
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   98) #define GEN5_POWER_STATE_OFF                 0x06
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   99) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  100) #define GEN5_POWER_READY_MAX_INTRVL_TIME  50   /* Unit: ms */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  101) #define GEN5_POWER_IDLE_MAX_INTRVL_TIME   250  /* Unit: ms */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  102) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  103) #define GEN5_CMD_GET_PARAMETER		     0x05
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  104) #define GEN5_CMD_SET_PARAMETER		     0x06
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  105) #define GEN5_PARAMETER_ACT_INTERVL_ID        0x4d
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  106) #define GEN5_PARAMETER_ACT_INTERVL_SIZE      1
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  107) #define GEN5_PARAMETER_ACT_LFT_INTERVL_ID    0x4f
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  108) #define GEN5_PARAMETER_ACT_LFT_INTERVL_SIZE  2
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  109) #define GEN5_PARAMETER_LP_INTRVL_ID          0x4c
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  110) #define GEN5_PARAMETER_LP_INTRVL_SIZE        2
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  111) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  112) #define GEN5_PARAMETER_DISABLE_PIP_REPORT    0x08
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  113) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  114) #define GEN5_BL_REPORT_DESCRIPTOR_SIZE            0x1d
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  115) #define GEN5_BL_REPORT_DESCRIPTOR_ID              0xfe
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  116) #define GEN5_APP_REPORT_DESCRIPTOR_SIZE           0xee
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  117) #define GEN5_APP_CONTRACT_REPORT_DESCRIPTOR_SIZE  0xfa
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  118) #define GEN5_APP_REPORT_DESCRIPTOR_ID             0xf6
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  119) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  120) #define GEN5_RETRIEVE_MUTUAL_PWC_DATA        0x00
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  121) #define GEN5_RETRIEVE_SELF_CAP_PWC_DATA      0x01
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  122) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  123) #define GEN5_RETRIEVE_DATA_ELEMENT_SIZE_MASK 0x07
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  124) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  125) #define GEN5_CMD_EXECUTE_PANEL_SCAN          0x2a
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  126) #define GEN5_CMD_RETRIEVE_PANEL_SCAN         0x2b
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  127) #define GEN5_PANEL_SCAN_MUTUAL_RAW_DATA      0x00
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  128) #define GEN5_PANEL_SCAN_MUTUAL_BASELINE      0x01
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  129) #define GEN5_PANEL_SCAN_MUTUAL_DIFFCOUNT     0x02
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  130) #define GEN5_PANEL_SCAN_SELF_RAW_DATA        0x03
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  131) #define GEN5_PANEL_SCAN_SELF_BASELINE        0x04
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  132) #define GEN5_PANEL_SCAN_SELF_DIFFCOUNT       0x05
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  133) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  134) /* The offset only valid for retrieve PWC and panel scan commands */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  135) #define GEN5_RESP_DATA_STRUCTURE_OFFSET      10
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  136) #define GEN5_PWC_DATA_ELEMENT_SIZE_MASK      0x07
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  137) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  138) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  139) struct cyapa_pip_touch_record {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  140) 	/*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  141) 	 * Bit 7 - 3: reserved
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  142) 	 * Bit 2 - 0: touch type;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  143) 	 *            0 : standard finger;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  144) 	 *            1 : proximity (Start supported in Gen5 TP).
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  145) 	 *            2 : finger hover (defined, but not used yet.)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  146) 	 *            3 - 15 : reserved.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  147) 	 */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  148) 	u8 touch_type;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  149) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  150) 	/*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  151) 	 * Bit 7: indicates touch liftoff status.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  152) 	 *		0 : touch is currently on the panel.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  153) 	 *		1 : touch record indicates a liftoff.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  154) 	 * Bit 6 - 5: indicates an event associated with this touch instance
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  155) 	 *		0 : no event
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  156) 	 *		1 : touchdown
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  157) 	 *		2 : significant displacement (> active distance)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  158) 	 *		3 : liftoff (record reports last known coordinates)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  159) 	 * Bit 4 - 0: An arbitrary ID tag associated with a finger
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  160) 	 *		to allow tracking a touch as it moves around the panel.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  161) 	 */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  162) 	u8 touch_tip_event_id;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  163) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  164) 	/* Bit 7 - 0 of X-axis coordinate of the touch in pixel. */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  165) 	u8 x_lo;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  166) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  167) 	/* Bit 15 - 8 of X-axis coordinate of the touch in pixel. */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  168) 	u8 x_hi;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  169) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  170) 	/* Bit 7 - 0 of Y-axis coordinate of the touch in pixel. */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  171) 	u8 y_lo;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  172) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  173) 	/* Bit 15 - 8 of Y-axis coordinate of the touch in pixel. */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  174) 	u8 y_hi;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  175) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  176) 	/*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  177) 	 * The meaning of this value is different when touch_type is different.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  178) 	 * For standard finger type:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  179) 	 *	Touch intensity in counts, pressure value.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  180) 	 * For proximity type (Start supported in Gen5 TP):
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  181) 	 *	The distance, in surface units, between the contact and
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  182) 	 *	the surface.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  183) 	 **/
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  184) 	u8 z;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  185) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  186) 	/*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  187) 	 * The length of the major axis of the ellipse of contact between
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  188) 	 * the finger and the panel (ABS_MT_TOUCH_MAJOR).
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  189) 	 */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  190) 	u8 major_axis_len;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  191) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  192) 	/*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  193) 	 * The length of the minor axis of the ellipse of contact between
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  194) 	 * the finger and the panel (ABS_MT_TOUCH_MINOR).
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  195) 	 */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  196) 	u8 minor_axis_len;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  197) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  198) 	/*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  199) 	 * The length of the major axis of the approaching tool.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  200) 	 * (ABS_MT_WIDTH_MAJOR)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  201) 	 */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  202) 	u8 major_tool_len;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  203) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  204) 	/*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  205) 	 * The length of the minor axis of the approaching tool.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  206) 	 * (ABS_MT_WIDTH_MINOR)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  207) 	 */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  208) 	u8 minor_tool_len;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  209) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  210) 	/*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  211) 	 * The angle between the panel vertical axis and
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  212) 	 * the major axis of the contact ellipse. This value is an 8-bit
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  213) 	 * signed integer. The range is -127 to +127 (corresponding to
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  214) 	 * -90 degree and +90 degree respectively).
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  215) 	 * The positive direction is clockwise from the vertical axis.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  216) 	 * If the ellipse of contact degenerates into a circle,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  217) 	 * orientation is reported as 0.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  218) 	 */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  219) 	u8 orientation;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  220) } __packed;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  221) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  222) struct cyapa_pip_report_data {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  223) 	u8 report_head[PIP_TOUCH_REPORT_HEAD_SIZE];
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  224) 	struct cyapa_pip_touch_record touch_records[10];
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  225) } __packed;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  226) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  227) struct cyapa_tsg_bin_image_head {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  228) 	u8 head_size;  /* Unit: bytes, including itself. */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  229) 	u8 ttda_driver_major_version;  /* Reserved as 0. */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  230) 	u8 ttda_driver_minor_version;  /* Reserved as 0. */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  231) 	u8 fw_major_version;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  232) 	u8 fw_minor_version;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  233) 	u8 fw_revision_control_number[8];
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  234) 	u8 silicon_id_hi;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  235) 	u8 silicon_id_lo;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  236) 	u8 chip_revision;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  237) 	u8 family_id;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  238) 	u8 bl_ver_maj;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  239) 	u8 bl_ver_min;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  240) } __packed;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  241) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  242) struct cyapa_tsg_bin_image_data_record {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  243) 	u8 flash_array_id;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  244) 	__be16 row_number;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  245) 	/* The number of bytes of flash data contained in this record. */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  246) 	__be16 record_len;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  247) 	/* The flash program data. */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  248) 	u8 record_data[CYAPA_TSG_FW_ROW_SIZE];
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  249) } __packed;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  250) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  251) struct cyapa_tsg_bin_image {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  252) 	struct cyapa_tsg_bin_image_head image_head;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  253) 	struct cyapa_tsg_bin_image_data_record records[];
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  254) } __packed;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  255) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  256) struct pip_bl_packet_start {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  257) 	u8 sop;  /* Start of packet, must be 01h */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  258) 	u8 cmd_code;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  259) 	__le16 data_length;  /* Size of data parameter start from data[0] */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  260) } __packed;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  261) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  262) struct pip_bl_packet_end {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  263) 	__le16 crc;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  264) 	u8 eop;  /* End of packet, must be 17h */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  265) } __packed;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  266) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  267) struct pip_bl_cmd_head {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  268) 	__le16 addr;   /* Output report register address, must be 0004h */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  269) 	/* Size of packet not including output report register address */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  270) 	__le16 length;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  271) 	u8 report_id;  /* Bootloader output report id, must be 40h */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  272) 	u8 rsvd;  /* Reserved, must be 0 */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  273) 	struct pip_bl_packet_start packet_start;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  274) 	u8 data[];  /* Command data variable based on commands */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  275) } __packed;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  276) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  277) /* Initiate bootload command data structure. */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  278) struct pip_bl_initiate_cmd_data {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  279) 	/* Key must be "A5h 01h 02h 03h FFh FEh FDh 5Ah" */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  280) 	u8 key[CYAPA_TSG_BL_KEY_SIZE];
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  281) 	u8 metadata_raw_parameter[CYAPA_TSG_FLASH_MAP_METADATA_SIZE];
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  282) 	__le16 metadata_crc;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  283) } __packed;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  284) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  285) struct tsg_bl_metadata_row_params {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  286) 	__le16 size;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  287) 	__le16 maximum_size;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  288) 	__le32 app_start;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  289) 	__le16 app_len;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  290) 	__le16 app_crc;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  291) 	__le32 app_entry;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  292) 	__le32 upgrade_start;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  293) 	__le16 upgrade_len;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  294) 	__le16 entry_row_crc;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  295) 	u8 padding[36];  /* Padding data must be 0 */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  296) 	__le16 metadata_crc;  /* CRC starts at offset of 60 */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  297) } __packed;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  298) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  299) /* Bootload program and verify row command data structure */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  300) struct tsg_bl_flash_row_head {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  301) 	u8 flash_array_id;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  302) 	__le16 flash_row_id;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  303) 	u8 flash_data[];
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  304) } __packed;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  305) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  306) struct pip_app_cmd_head {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  307) 	__le16 addr;   /* Output report register address, must be 0004h */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  308) 	/* Size of packet not including output report register address */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  309) 	__le16 length;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  310) 	u8 report_id;  /* Application output report id, must be 2Fh */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  311) 	u8 rsvd;  /* Reserved, must be 0 */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  312) 	/*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  313) 	 * Bit 7: reserved, must be 0.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  314) 	 * Bit 6-0: command code.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  315) 	 */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  316) 	u8 cmd_code;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  317) 	u8 parameter_data[];  /* Parameter data variable based on cmd_code */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  318) } __packed;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  319) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  320) /* Application get/set parameter command data structure */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  321) struct gen5_app_set_parameter_data {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  322) 	u8 parameter_id;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  323) 	u8 parameter_size;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  324) 	__le32 value;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  325) } __packed;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  326) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  327) struct gen5_app_get_parameter_data {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  328) 	u8 parameter_id;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  329) } __packed;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  330) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  331) struct gen5_retrieve_panel_scan_data {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  332) 	__le16 read_offset;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  333) 	__le16 read_elements;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  334) 	u8 data_id;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  335) } __packed;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  336) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  337) u8 pip_read_sys_info[] = { 0x04, 0x00, 0x05, 0x00, 0x2f, 0x00, 0x02 };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  338) u8 pip_bl_read_app_info[] = { 0x04, 0x00, 0x0b, 0x00, 0x40, 0x00,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  339) 		0x01, 0x3c, 0x00, 0x00, 0xb0, 0x42, 0x17
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  340) 	};
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  341) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  342) static u8 cyapa_pip_bl_cmd_key[] = { 0xa5, 0x01, 0x02, 0x03,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  343) 	0xff, 0xfe, 0xfd, 0x5a };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  344) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  345) static int cyapa_pip_event_process(struct cyapa *cyapa,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  346) 				   struct cyapa_pip_report_data *report_data);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  347) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  348) int cyapa_pip_cmd_state_initialize(struct cyapa *cyapa)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  349) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  350) 	struct cyapa_pip_cmd_states *pip = &cyapa->cmd_states.pip;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  351) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  352) 	init_completion(&pip->cmd_ready);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  353) 	atomic_set(&pip->cmd_issued, 0);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  354) 	mutex_init(&pip->cmd_lock);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  355) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  356) 	mutex_init(&pip->pm_stage_lock);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  357) 	pip->pm_stage = CYAPA_PM_DEACTIVE;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  358) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  359) 	pip->resp_sort_func = NULL;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  360) 	pip->in_progress_cmd = PIP_INVALID_CMD;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  361) 	pip->resp_data = NULL;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  362) 	pip->resp_len = NULL;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  363) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  364) 	cyapa->dev_pwr_mode = UNINIT_PWR_MODE;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  365) 	cyapa->dev_sleep_time = UNINIT_SLEEP_TIME;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  366) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  367) 	return 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  368) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  369) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  370) /* Return negative errno, or else the number of bytes read. */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  371) ssize_t cyapa_i2c_pip_read(struct cyapa *cyapa, u8 *buf, size_t size)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  372) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  373) 	int ret;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  374) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  375) 	if (size == 0)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  376) 		return 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  377) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  378) 	if (!buf || size > CYAPA_REG_MAP_SIZE)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  379) 		return -EINVAL;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  380) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  381) 	ret = i2c_master_recv(cyapa->client, buf, size);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  382) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  383) 	if (ret != size)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  384) 		return (ret < 0) ? ret : -EIO;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  385) 	return size;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  386) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  387) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  388) /**
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  389)  * Return a negative errno code else zero on success.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  390)  */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  391) ssize_t cyapa_i2c_pip_write(struct cyapa *cyapa, u8 *buf, size_t size)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  392) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  393) 	int ret;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  394) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  395) 	if (!buf || !size)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  396) 		return -EINVAL;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  397) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  398) 	ret = i2c_master_send(cyapa->client, buf, size);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  399) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  400) 	if (ret != size)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  401) 		return (ret < 0) ? ret : -EIO;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  402) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  403) 	return 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  404) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  405) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  406) static void cyapa_set_pip_pm_state(struct cyapa *cyapa,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  407) 				   enum cyapa_pm_stage pm_stage)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  408) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  409) 	struct cyapa_pip_cmd_states *pip = &cyapa->cmd_states.pip;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  410) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  411) 	mutex_lock(&pip->pm_stage_lock);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  412) 	pip->pm_stage = pm_stage;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  413) 	mutex_unlock(&pip->pm_stage_lock);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  414) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  415) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  416) static void cyapa_reset_pip_pm_state(struct cyapa *cyapa)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  417) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  418) 	struct cyapa_pip_cmd_states *pip = &cyapa->cmd_states.pip;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  419) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  420) 	/* Indicates the pip->pm_stage is not valid. */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  421) 	mutex_lock(&pip->pm_stage_lock);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  422) 	pip->pm_stage = CYAPA_PM_DEACTIVE;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  423) 	mutex_unlock(&pip->pm_stage_lock);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  424) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  425) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  426) static enum cyapa_pm_stage cyapa_get_pip_pm_state(struct cyapa *cyapa)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  427) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  428) 	struct cyapa_pip_cmd_states *pip = &cyapa->cmd_states.pip;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  429) 	enum cyapa_pm_stage pm_stage;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  430) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  431) 	mutex_lock(&pip->pm_stage_lock);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  432) 	pm_stage = pip->pm_stage;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  433) 	mutex_unlock(&pip->pm_stage_lock);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  434) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  435) 	return pm_stage;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  436) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  437) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  438) /**
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  439)  * This function is aimed to dump all not read data in Gen5 trackpad
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  440)  * before send any command, otherwise, the interrupt line will be blocked.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  441)  */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  442) int cyapa_empty_pip_output_data(struct cyapa *cyapa,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  443) 		u8 *buf, int *len, cb_sort func)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  444) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  445) 	struct input_dev *input = cyapa->input;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  446) 	struct cyapa_pip_cmd_states *pip = &cyapa->cmd_states.pip;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  447) 	enum cyapa_pm_stage pm_stage = cyapa_get_pip_pm_state(cyapa);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  448) 	int length;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  449) 	int report_count;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  450) 	int empty_count;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  451) 	int buf_len;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  452) 	int error;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  453) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  454) 	buf_len = 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  455) 	if (len) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  456) 		buf_len = (*len < CYAPA_REG_MAP_SIZE) ?
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  457) 				*len : CYAPA_REG_MAP_SIZE;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  458) 		*len = 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  459) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  460) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  461) 	report_count = 8;  /* max 7 pending data before command response data */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  462) 	empty_count = 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  463) 	do {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  464) 		/*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  465) 		 * Depending on testing in cyapa driver, there are max 5 "02 00"
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  466) 		 * packets between two valid buffered data report in firmware.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  467) 		 * So in order to dump all buffered data out and
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  468) 		 * make interrupt line release for reassert again,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  469) 		 * we must set the empty_count check value bigger than 5 to
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  470) 		 * make it work. Otherwise, in some situation,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  471) 		 * the interrupt line may unable to reactive again,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  472) 		 * which will cause trackpad device unable to
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  473) 		 * report data any more.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  474) 		 * for example, it may happen in EFT and ESD testing.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  475) 		 */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  476) 		if (empty_count > 5)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  477) 			return 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  478) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  479) 		error = cyapa_i2c_pip_read(cyapa, pip->empty_buf,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  480) 				PIP_RESP_LENGTH_SIZE);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  481) 		if (error < 0)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  482) 			return error;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  483) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  484) 		length = get_unaligned_le16(pip->empty_buf);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  485) 		if (length == PIP_RESP_LENGTH_SIZE) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  486) 			empty_count++;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  487) 			continue;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  488) 		} else if (length > CYAPA_REG_MAP_SIZE) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  489) 			/* Should not happen */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  490) 			return -EINVAL;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  491) 		} else if (length == 0) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  492) 			/* Application or bootloader launch data polled out. */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  493) 			length = PIP_RESP_LENGTH_SIZE;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  494) 			if (buf && buf_len && func &&
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  495) 				func(cyapa, pip->empty_buf, length)) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  496) 				length = min(buf_len, length);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  497) 				memcpy(buf, pip->empty_buf, length);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  498) 				*len = length;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  499) 				/* Response found, success. */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  500) 				return 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  501) 			}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  502) 			continue;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  503) 		}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  504) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  505) 		error = cyapa_i2c_pip_read(cyapa, pip->empty_buf, length);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  506) 		if (error < 0)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  507) 			return error;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  508) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  509) 		report_count--;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  510) 		empty_count = 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  511) 		length = get_unaligned_le16(pip->empty_buf);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  512) 		if (length <= PIP_RESP_LENGTH_SIZE) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  513) 			empty_count++;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  514) 		} else if (buf && buf_len && func &&
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  515) 			func(cyapa, pip->empty_buf, length)) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  516) 			length = min(buf_len, length);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  517) 			memcpy(buf, pip->empty_buf, length);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  518) 			*len = length;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  519) 			/* Response found, success. */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  520) 			return 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  521) 		} else if (cyapa->operational && input && input->users &&
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  522) 			   (pm_stage == CYAPA_PM_RUNTIME_RESUME ||
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  523) 			    pm_stage == CYAPA_PM_RUNTIME_SUSPEND)) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  524) 			/* Parse the data and report it if it's valid. */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  525) 			cyapa_pip_event_process(cyapa,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  526) 			       (struct cyapa_pip_report_data *)pip->empty_buf);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  527) 		}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  528) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  529) 		error = -EINVAL;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  530) 	} while (report_count);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  531) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  532) 	return error;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  533) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  534) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  535) static int cyapa_do_i2c_pip_cmd_irq_sync(
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  536) 		struct cyapa *cyapa,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  537) 		u8 *cmd, size_t cmd_len,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  538) 		unsigned long timeout)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  539) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  540) 	struct cyapa_pip_cmd_states *pip = &cyapa->cmd_states.pip;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  541) 	int error;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  542) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  543) 	/* Wait for interrupt to set ready completion */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  544) 	init_completion(&pip->cmd_ready);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  545) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  546) 	atomic_inc(&pip->cmd_issued);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  547) 	error = cyapa_i2c_pip_write(cyapa, cmd, cmd_len);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  548) 	if (error) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  549) 		atomic_dec(&pip->cmd_issued);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  550) 		return (error < 0) ? error : -EIO;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  551) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  552) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  553) 	/* Wait for interrupt to indicate command is completed. */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  554) 	timeout = wait_for_completion_timeout(&pip->cmd_ready,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  555) 				msecs_to_jiffies(timeout));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  556) 	if (timeout == 0) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  557) 		atomic_dec(&pip->cmd_issued);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  558) 		return -ETIMEDOUT;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  559) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  560) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  561) 	return 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  562) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  563) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  564) static int cyapa_do_i2c_pip_cmd_polling(
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  565) 		struct cyapa *cyapa,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  566) 		u8 *cmd, size_t cmd_len,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  567) 		u8 *resp_data, int *resp_len,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  568) 		unsigned long timeout,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  569) 		cb_sort func)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  570) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  571) 	struct cyapa_pip_cmd_states *pip = &cyapa->cmd_states.pip;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  572) 	int tries;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  573) 	int length;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  574) 	int error;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  575) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  576) 	atomic_inc(&pip->cmd_issued);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  577) 	error = cyapa_i2c_pip_write(cyapa, cmd, cmd_len);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  578) 	if (error) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  579) 		atomic_dec(&pip->cmd_issued);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  580) 		return error < 0 ? error : -EIO;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  581) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  582) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  583) 	length = resp_len ? *resp_len : 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  584) 	if (resp_data && resp_len && length != 0 && func) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  585) 		tries = timeout / 5;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  586) 		do {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  587) 			usleep_range(3000, 5000);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  588) 			*resp_len = length;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  589) 			error = cyapa_empty_pip_output_data(cyapa,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  590) 					resp_data, resp_len, func);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  591) 			if (error || *resp_len == 0)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  592) 				continue;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  593) 			else
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  594) 				break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  595) 		} while (--tries > 0);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  596) 		if ((error || *resp_len == 0) || tries <= 0)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  597) 			error = error ? error : -ETIMEDOUT;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  598) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  599) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  600) 	atomic_dec(&pip->cmd_issued);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  601) 	return error;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  602) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  603) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  604) int cyapa_i2c_pip_cmd_irq_sync(
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  605) 		struct cyapa *cyapa,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  606) 		u8 *cmd, int cmd_len,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  607) 		u8 *resp_data, int *resp_len,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  608) 		unsigned long timeout,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  609) 		cb_sort func,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  610) 		bool irq_mode)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  611) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  612) 	struct cyapa_pip_cmd_states *pip = &cyapa->cmd_states.pip;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  613) 	int error;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  614) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  615) 	if (!cmd || !cmd_len)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  616) 		return -EINVAL;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  617) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  618) 	/* Commands must be serialized. */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  619) 	error = mutex_lock_interruptible(&pip->cmd_lock);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  620) 	if (error)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  621) 		return error;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  622) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  623) 	pip->resp_sort_func = func;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  624) 	pip->resp_data = resp_data;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  625) 	pip->resp_len = resp_len;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  626) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  627) 	if (cmd_len >= PIP_MIN_APP_CMD_LENGTH &&
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  628) 			cmd[4] == PIP_APP_CMD_REPORT_ID) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  629) 		/* Application command */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  630) 		pip->in_progress_cmd = cmd[6] & 0x7f;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  631) 	} else if (cmd_len >= PIP_MIN_BL_CMD_LENGTH &&
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  632) 			cmd[4] == PIP_BL_CMD_REPORT_ID) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  633) 		/* Bootloader command */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  634) 		pip->in_progress_cmd = cmd[7];
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  635) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  636) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  637) 	/* Send command data, wait and read output response data's length. */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  638) 	if (irq_mode) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  639) 		pip->is_irq_mode = true;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  640) 		error = cyapa_do_i2c_pip_cmd_irq_sync(cyapa, cmd, cmd_len,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  641) 							timeout);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  642) 		if (error == -ETIMEDOUT && resp_data &&
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  643) 				resp_len && *resp_len != 0 && func) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  644) 			/*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  645) 			 * For some old version, there was no interrupt for
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  646) 			 * the command response data, so need to poll here
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  647) 			 * to try to get the response data.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  648) 			 */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  649) 			error = cyapa_empty_pip_output_data(cyapa,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  650) 					resp_data, resp_len, func);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  651) 			if (error || *resp_len == 0)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  652) 				error = error ? error : -ETIMEDOUT;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  653) 		}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  654) 	} else {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  655) 		pip->is_irq_mode = false;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  656) 		error = cyapa_do_i2c_pip_cmd_polling(cyapa, cmd, cmd_len,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  657) 				resp_data, resp_len, timeout, func);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  658) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  659) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  660) 	pip->resp_sort_func = NULL;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  661) 	pip->resp_data = NULL;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  662) 	pip->resp_len = NULL;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  663) 	pip->in_progress_cmd = PIP_INVALID_CMD;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  664) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  665) 	mutex_unlock(&pip->cmd_lock);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  666) 	return error;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  667) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  668) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  669) bool cyapa_sort_tsg_pip_bl_resp_data(struct cyapa *cyapa,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  670) 		u8 *data, int len)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  671) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  672) 	if (!data || len < PIP_MIN_BL_RESP_LENGTH)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  673) 		return false;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  674) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  675) 	/* Bootloader input report id 30h */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  676) 	if (data[PIP_RESP_REPORT_ID_OFFSET] == PIP_BL_RESP_REPORT_ID &&
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  677) 			data[PIP_RESP_RSVD_OFFSET] == PIP_RESP_RSVD_KEY &&
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  678) 			data[PIP_RESP_BL_SOP_OFFSET] == PIP_SOP_KEY)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  679) 		return true;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  680) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  681) 	return false;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  682) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  683) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  684) bool cyapa_sort_tsg_pip_app_resp_data(struct cyapa *cyapa,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  685) 		u8 *data, int len)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  686) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  687) 	struct cyapa_pip_cmd_states *pip = &cyapa->cmd_states.pip;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  688) 	int resp_len;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  689) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  690) 	if (!data || len < PIP_MIN_APP_RESP_LENGTH)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  691) 		return false;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  692) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  693) 	if (data[PIP_RESP_REPORT_ID_OFFSET] == PIP_APP_RESP_REPORT_ID &&
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  694) 			data[PIP_RESP_RSVD_OFFSET] == PIP_RESP_RSVD_KEY) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  695) 		resp_len = get_unaligned_le16(&data[PIP_RESP_LENGTH_OFFSET]);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  696) 		if (GET_PIP_CMD_CODE(data[PIP_RESP_APP_CMD_OFFSET]) == 0x00 &&
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  697) 			resp_len == PIP_UNSUPPORTED_CMD_RESP_LENGTH &&
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  698) 			data[5] == pip->in_progress_cmd) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  699) 			/* Unsupported command code */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  700) 			return false;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  701) 		} else if (GET_PIP_CMD_CODE(data[PIP_RESP_APP_CMD_OFFSET]) ==
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  702) 				pip->in_progress_cmd) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  703) 			/* Correct command response received */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  704) 			return true;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  705) 		}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  706) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  707) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  708) 	return false;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  709) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  710) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  711) static bool cyapa_sort_pip_application_launch_data(struct cyapa *cyapa,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  712) 		u8 *buf, int len)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  713) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  714) 	if (buf == NULL || len < PIP_RESP_LENGTH_SIZE)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  715) 		return false;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  716) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  717) 	/*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  718) 	 * After reset or power on, trackpad device always sets to 0x00 0x00
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  719) 	 * to indicate a reset or power on event.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  720) 	 */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  721) 	if (buf[0] == 0 && buf[1] == 0)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  722) 		return true;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  723) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  724) 	return false;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  725) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  726) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  727) static bool cyapa_sort_gen5_hid_descriptor_data(struct cyapa *cyapa,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  728) 		u8 *buf, int len)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  729) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  730) 	int resp_len;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  731) 	int max_output_len;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  732) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  733) 	/* Check hid descriptor. */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  734) 	if (len != PIP_HID_DESCRIPTOR_SIZE)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  735) 		return false;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  736) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  737) 	resp_len = get_unaligned_le16(&buf[PIP_RESP_LENGTH_OFFSET]);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  738) 	max_output_len = get_unaligned_le16(&buf[16]);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  739) 	if (resp_len == PIP_HID_DESCRIPTOR_SIZE) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  740) 		if (buf[PIP_RESP_REPORT_ID_OFFSET] == PIP_HID_BL_REPORT_ID &&
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  741) 				max_output_len == GEN5_BL_MAX_OUTPUT_LENGTH) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  742) 			/* BL mode HID Descriptor */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  743) 			return true;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  744) 		} else if ((buf[PIP_RESP_REPORT_ID_OFFSET] ==
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  745) 				PIP_HID_APP_REPORT_ID) &&
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  746) 				max_output_len == GEN5_APP_MAX_OUTPUT_LENGTH) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  747) 			/* APP mode HID Descriptor */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  748) 			return true;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  749) 		}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  750) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  751) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  752) 	return false;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  753) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  754) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  755) static bool cyapa_sort_pip_deep_sleep_data(struct cyapa *cyapa,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  756) 		u8 *buf, int len)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  757) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  758) 	if (len == PIP_DEEP_SLEEP_RESP_LENGTH &&
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  759) 		buf[PIP_RESP_REPORT_ID_OFFSET] ==
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  760) 			PIP_APP_DEEP_SLEEP_REPORT_ID &&
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  761) 		(buf[4] & PIP_DEEP_SLEEP_OPCODE_MASK) ==
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  762) 			PIP_DEEP_SLEEP_OPCODE)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  763) 		return true;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  764) 	return false;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  765) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  766) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  767) static int gen5_idle_state_parse(struct cyapa *cyapa)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  768) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  769) 	u8 resp_data[PIP_HID_DESCRIPTOR_SIZE];
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  770) 	int max_output_len;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  771) 	int length;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  772) 	u8 cmd[2];
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  773) 	int ret;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  774) 	int error;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  775) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  776) 	/*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  777) 	 * Dump all buffered data firstly for the situation
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  778) 	 * when the trackpad is just power on the cyapa go here.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  779) 	 */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  780) 	cyapa_empty_pip_output_data(cyapa, NULL, NULL, NULL);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  781) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  782) 	memset(resp_data, 0, sizeof(resp_data));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  783) 	ret = cyapa_i2c_pip_read(cyapa, resp_data, 3);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  784) 	if (ret != 3)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  785) 		return ret < 0 ? ret : -EIO;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  786) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  787) 	length = get_unaligned_le16(&resp_data[PIP_RESP_LENGTH_OFFSET]);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  788) 	if (length == PIP_RESP_LENGTH_SIZE) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  789) 		/* Normal state of Gen5 with no data to response */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  790) 		cyapa->gen = CYAPA_GEN5;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  791) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  792) 		cyapa_empty_pip_output_data(cyapa, NULL, NULL, NULL);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  793) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  794) 		/* Read description from trackpad device */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  795) 		cmd[0] = 0x01;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  796) 		cmd[1] = 0x00;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  797) 		length = PIP_HID_DESCRIPTOR_SIZE;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  798) 		error = cyapa_i2c_pip_cmd_irq_sync(cyapa,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  799) 				cmd, PIP_RESP_LENGTH_SIZE,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  800) 				resp_data, &length,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  801) 				300,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  802) 				cyapa_sort_gen5_hid_descriptor_data,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  803) 				false);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  804) 		if (error)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  805) 			return error;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  806) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  807) 		length = get_unaligned_le16(
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  808) 				&resp_data[PIP_RESP_LENGTH_OFFSET]);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  809) 		max_output_len = get_unaligned_le16(&resp_data[16]);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  810) 		if ((length == PIP_HID_DESCRIPTOR_SIZE ||
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  811) 				length == PIP_RESP_LENGTH_SIZE) &&
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  812) 			(resp_data[PIP_RESP_REPORT_ID_OFFSET] ==
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  813) 				PIP_HID_BL_REPORT_ID) &&
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  814) 			max_output_len == GEN5_BL_MAX_OUTPUT_LENGTH) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  815) 			/* BL mode HID Description read */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  816) 			cyapa->state = CYAPA_STATE_GEN5_BL;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  817) 		} else if ((length == PIP_HID_DESCRIPTOR_SIZE ||
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  818) 				length == PIP_RESP_LENGTH_SIZE) &&
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  819) 			(resp_data[PIP_RESP_REPORT_ID_OFFSET] ==
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  820) 				PIP_HID_APP_REPORT_ID) &&
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  821) 			max_output_len == GEN5_APP_MAX_OUTPUT_LENGTH) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  822) 			/* APP mode HID Description read */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  823) 			cyapa->state = CYAPA_STATE_GEN5_APP;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  824) 		} else {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  825) 			/* Should not happen!!! */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  826) 			cyapa->state = CYAPA_STATE_NO_DEVICE;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  827) 		}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  828) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  829) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  830) 	return 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  831) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  832) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  833) static int gen5_hid_description_header_parse(struct cyapa *cyapa, u8 *reg_data)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  834) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  835) 	int length;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  836) 	u8 resp_data[32];
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  837) 	int max_output_len;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  838) 	int ret;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  839) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  840) 	/* 0x20 0x00 0xF7 is Gen5 Application HID Description Header;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  841) 	 * 0x20 0x00 0xFF is Gen5 Bootloader HID Description Header.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  842) 	 *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  843) 	 * Must read HID Description content through out,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  844) 	 * otherwise Gen5 trackpad cannot response next command
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  845) 	 * or report any touch or button data.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  846) 	 */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  847) 	ret = cyapa_i2c_pip_read(cyapa, resp_data,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  848) 			PIP_HID_DESCRIPTOR_SIZE);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  849) 	if (ret != PIP_HID_DESCRIPTOR_SIZE)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  850) 		return ret < 0 ? ret : -EIO;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  851) 	length = get_unaligned_le16(&resp_data[PIP_RESP_LENGTH_OFFSET]);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  852) 	max_output_len = get_unaligned_le16(&resp_data[16]);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  853) 	if (length == PIP_RESP_LENGTH_SIZE) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  854) 		if (reg_data[PIP_RESP_REPORT_ID_OFFSET] ==
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  855) 				PIP_HID_BL_REPORT_ID) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  856) 			/*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  857) 			 * BL mode HID Description has been previously
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  858) 			 * read out.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  859) 			 */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  860) 			cyapa->gen = CYAPA_GEN5;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  861) 			cyapa->state = CYAPA_STATE_GEN5_BL;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  862) 		} else {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  863) 			/*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  864) 			 * APP mode HID Description has been previously
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  865) 			 * read out.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  866) 			 */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  867) 			cyapa->gen = CYAPA_GEN5;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  868) 			cyapa->state = CYAPA_STATE_GEN5_APP;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  869) 		}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  870) 	} else if (length == PIP_HID_DESCRIPTOR_SIZE &&
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  871) 			resp_data[2] == PIP_HID_BL_REPORT_ID &&
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  872) 			max_output_len == GEN5_BL_MAX_OUTPUT_LENGTH) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  873) 		/* BL mode HID Description read. */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  874) 		cyapa->gen = CYAPA_GEN5;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  875) 		cyapa->state = CYAPA_STATE_GEN5_BL;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  876) 	} else if (length == PIP_HID_DESCRIPTOR_SIZE &&
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  877) 			(resp_data[PIP_RESP_REPORT_ID_OFFSET] ==
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  878) 				PIP_HID_APP_REPORT_ID) &&
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  879) 			max_output_len == GEN5_APP_MAX_OUTPUT_LENGTH) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  880) 		/* APP mode HID Description read. */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  881) 		cyapa->gen = CYAPA_GEN5;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  882) 		cyapa->state = CYAPA_STATE_GEN5_APP;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  883) 	} else {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  884) 		/* Should not happen!!! */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  885) 		cyapa->state = CYAPA_STATE_NO_DEVICE;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  886) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  887) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  888) 	return 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  889) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  890) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  891) static int gen5_report_data_header_parse(struct cyapa *cyapa, u8 *reg_data)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  892) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  893) 	int length;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  894) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  895) 	length = get_unaligned_le16(&reg_data[PIP_RESP_LENGTH_OFFSET]);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  896) 	switch (reg_data[PIP_RESP_REPORT_ID_OFFSET]) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  897) 	case PIP_TOUCH_REPORT_ID:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  898) 		if (length < PIP_TOUCH_REPORT_HEAD_SIZE ||
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  899) 			length > PIP_TOUCH_REPORT_MAX_SIZE)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  900) 			return -EINVAL;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  901) 		break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  902) 	case PIP_BTN_REPORT_ID:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  903) 	case GEN5_OLD_PUSH_BTN_REPORT_ID:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  904) 	case PIP_PUSH_BTN_REPORT_ID:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  905) 		if (length < PIP_BTN_REPORT_HEAD_SIZE ||
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  906) 			length > PIP_BTN_REPORT_MAX_SIZE)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  907) 			return -EINVAL;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  908) 		break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  909) 	case PIP_WAKEUP_EVENT_REPORT_ID:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  910) 		if (length != PIP_WAKEUP_EVENT_SIZE)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  911) 			return -EINVAL;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  912) 		break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  913) 	default:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  914) 		return -EINVAL;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  915) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  916) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  917) 	cyapa->gen = CYAPA_GEN5;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  918) 	cyapa->state = CYAPA_STATE_GEN5_APP;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  919) 	return 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  920) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  921) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  922) static int gen5_cmd_resp_header_parse(struct cyapa *cyapa, u8 *reg_data)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  923) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  924) 	struct cyapa_pip_cmd_states *pip = &cyapa->cmd_states.pip;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  925) 	int length;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  926) 	int ret;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  927) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  928) 	/*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  929) 	 * Must read report data through out,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  930) 	 * otherwise Gen5 trackpad cannot response next command
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  931) 	 * or report any touch or button data.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  932) 	 */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  933) 	length = get_unaligned_le16(&reg_data[PIP_RESP_LENGTH_OFFSET]);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  934) 	ret = cyapa_i2c_pip_read(cyapa, pip->empty_buf, length);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  935) 	if (ret != length)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  936) 		return ret < 0 ? ret : -EIO;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  937) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  938) 	if (length == PIP_RESP_LENGTH_SIZE) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  939) 		/* Previous command has read the data through out. */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  940) 		if (reg_data[PIP_RESP_REPORT_ID_OFFSET] ==
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  941) 				PIP_BL_RESP_REPORT_ID) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  942) 			/* Gen5 BL command response data detected */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  943) 			cyapa->gen = CYAPA_GEN5;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  944) 			cyapa->state = CYAPA_STATE_GEN5_BL;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  945) 		} else {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  946) 			/* Gen5 APP command response data detected */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  947) 			cyapa->gen = CYAPA_GEN5;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  948) 			cyapa->state = CYAPA_STATE_GEN5_APP;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  949) 		}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  950) 	} else if ((pip->empty_buf[PIP_RESP_REPORT_ID_OFFSET] ==
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  951) 				PIP_BL_RESP_REPORT_ID) &&
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  952) 			(pip->empty_buf[PIP_RESP_RSVD_OFFSET] ==
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  953) 				PIP_RESP_RSVD_KEY) &&
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  954) 			(pip->empty_buf[PIP_RESP_BL_SOP_OFFSET] ==
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  955) 				PIP_SOP_KEY) &&
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  956) 			(pip->empty_buf[length - 1] ==
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  957) 				PIP_EOP_KEY)) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  958) 		/* Gen5 BL command response data detected */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  959) 		cyapa->gen = CYAPA_GEN5;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  960) 		cyapa->state = CYAPA_STATE_GEN5_BL;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  961) 	} else if (pip->empty_buf[PIP_RESP_REPORT_ID_OFFSET] ==
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  962) 				PIP_APP_RESP_REPORT_ID &&
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  963) 			pip->empty_buf[PIP_RESP_RSVD_OFFSET] ==
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  964) 				PIP_RESP_RSVD_KEY) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  965) 		/* Gen5 APP command response data detected */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  966) 		cyapa->gen = CYAPA_GEN5;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  967) 		cyapa->state = CYAPA_STATE_GEN5_APP;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  968) 	} else {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  969) 		/* Should not happen!!! */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  970) 		cyapa->state = CYAPA_STATE_NO_DEVICE;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  971) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  972) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  973) 	return 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  974) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  975) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  976) static int cyapa_gen5_state_parse(struct cyapa *cyapa, u8 *reg_data, int len)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  977) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  978) 	int length;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  979) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  980) 	if (!reg_data || len < 3)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  981) 		return -EINVAL;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  982) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  983) 	cyapa->state = CYAPA_STATE_NO_DEVICE;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  984) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  985) 	/* Parse based on Gen5 characteristic registers and bits */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  986) 	length = get_unaligned_le16(&reg_data[PIP_RESP_LENGTH_OFFSET]);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  987) 	if (length == 0 || length == PIP_RESP_LENGTH_SIZE) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  988) 		gen5_idle_state_parse(cyapa);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  989) 	} else if (length == PIP_HID_DESCRIPTOR_SIZE &&
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  990) 			(reg_data[2] == PIP_HID_BL_REPORT_ID ||
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  991) 				reg_data[2] == PIP_HID_APP_REPORT_ID)) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  992) 		gen5_hid_description_header_parse(cyapa, reg_data);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  993) 	} else if ((length == GEN5_APP_REPORT_DESCRIPTOR_SIZE ||
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  994) 			length == GEN5_APP_CONTRACT_REPORT_DESCRIPTOR_SIZE) &&
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  995) 			reg_data[2] == GEN5_APP_REPORT_DESCRIPTOR_ID) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  996) 		/* 0xEE 0x00 0xF6 is Gen5 APP report description header. */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  997) 		cyapa->gen = CYAPA_GEN5;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  998) 		cyapa->state = CYAPA_STATE_GEN5_APP;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  999) 	} else if (length == GEN5_BL_REPORT_DESCRIPTOR_SIZE &&
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1000) 			reg_data[2] == GEN5_BL_REPORT_DESCRIPTOR_ID) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1001) 		/* 0x1D 0x00 0xFE is Gen5 BL report descriptor header. */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1002) 		cyapa->gen = CYAPA_GEN5;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1003) 		cyapa->state = CYAPA_STATE_GEN5_BL;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1004) 	} else if (reg_data[2] == PIP_TOUCH_REPORT_ID ||
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1005) 			reg_data[2] == PIP_BTN_REPORT_ID ||
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1006) 			reg_data[2] == GEN5_OLD_PUSH_BTN_REPORT_ID ||
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1007) 			reg_data[2] == PIP_PUSH_BTN_REPORT_ID ||
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1008) 			reg_data[2] == PIP_WAKEUP_EVENT_REPORT_ID) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1009) 		gen5_report_data_header_parse(cyapa, reg_data);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1010) 	} else if (reg_data[2] == PIP_BL_RESP_REPORT_ID ||
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1011) 			reg_data[2] == PIP_APP_RESP_REPORT_ID) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1012) 		gen5_cmd_resp_header_parse(cyapa, reg_data);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1013) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1014) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1015) 	if (cyapa->gen == CYAPA_GEN5) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1016) 		/*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1017) 		 * Must read the content (e.g.: report description and so on)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1018) 		 * from trackpad device throughout. Otherwise,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1019) 		 * Gen5 trackpad cannot response to next command or
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1020) 		 * report any touch or button data later.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1021) 		 */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1022) 		cyapa_empty_pip_output_data(cyapa, NULL, NULL, NULL);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1023) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1024) 		if (cyapa->state == CYAPA_STATE_GEN5_APP ||
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1025) 			cyapa->state == CYAPA_STATE_GEN5_BL)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1026) 			return 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1027) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1028) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1029) 	return -EAGAIN;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1030) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1031) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1032) static struct cyapa_tsg_bin_image_data_record *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1033) cyapa_get_image_record_data_num(const struct firmware *fw,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1034) 		int *record_num)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1035) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1036) 	int head_size;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1037) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1038) 	head_size = fw->data[0] + 1;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1039) 	*record_num = (fw->size - head_size) /
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1040) 			sizeof(struct cyapa_tsg_bin_image_data_record);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1041) 	return (struct cyapa_tsg_bin_image_data_record *)&fw->data[head_size];
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1042) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1043) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1044) int cyapa_pip_bl_initiate(struct cyapa *cyapa, const struct firmware *fw)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1045) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1046) 	struct cyapa_tsg_bin_image_data_record *image_records;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1047) 	struct pip_bl_cmd_head *bl_cmd_head;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1048) 	struct pip_bl_packet_start *bl_packet_start;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1049) 	struct pip_bl_initiate_cmd_data *cmd_data;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1050) 	struct pip_bl_packet_end *bl_packet_end;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1051) 	u8 cmd[CYAPA_TSG_MAX_CMD_SIZE];
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1052) 	int cmd_len;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1053) 	u16 cmd_data_len;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1054) 	u16 cmd_crc = 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1055) 	u16 meta_data_crc = 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1056) 	u8 resp_data[11];
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1057) 	int resp_len;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1058) 	int records_num;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1059) 	u8 *data;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1060) 	int error;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1061) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1062) 	/* Try to dump all buffered report data before any send command. */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1063) 	cyapa_empty_pip_output_data(cyapa, NULL, NULL, NULL);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1064) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1065) 	memset(cmd, 0, CYAPA_TSG_MAX_CMD_SIZE);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1066) 	bl_cmd_head = (struct pip_bl_cmd_head *)cmd;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1067) 	cmd_data_len = CYAPA_TSG_BL_KEY_SIZE + CYAPA_TSG_FLASH_MAP_BLOCK_SIZE;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1068) 	cmd_len = sizeof(struct pip_bl_cmd_head) + cmd_data_len +
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1069) 		  sizeof(struct pip_bl_packet_end);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1070) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1071) 	put_unaligned_le16(PIP_OUTPUT_REPORT_ADDR, &bl_cmd_head->addr);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1072) 	put_unaligned_le16(cmd_len - 2, &bl_cmd_head->length);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1073) 	bl_cmd_head->report_id = PIP_BL_CMD_REPORT_ID;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1074) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1075) 	bl_packet_start = &bl_cmd_head->packet_start;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1076) 	bl_packet_start->sop = PIP_SOP_KEY;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1077) 	bl_packet_start->cmd_code = PIP_BL_CMD_INITIATE_BL;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1078) 	/* 8 key bytes and 128 bytes block size */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1079) 	put_unaligned_le16(cmd_data_len, &bl_packet_start->data_length);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1080) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1081) 	cmd_data = (struct pip_bl_initiate_cmd_data *)bl_cmd_head->data;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1082) 	memcpy(cmd_data->key, cyapa_pip_bl_cmd_key, CYAPA_TSG_BL_KEY_SIZE);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1083) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1084) 	image_records = cyapa_get_image_record_data_num(fw, &records_num);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1085) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1086) 	/* APP_INTEGRITY row is always the last row block */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1087) 	data = image_records[records_num - 1].record_data;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1088) 	memcpy(cmd_data->metadata_raw_parameter, data,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1089) 		CYAPA_TSG_FLASH_MAP_METADATA_SIZE);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1090) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1091) 	meta_data_crc = crc_itu_t(0xffff, cmd_data->metadata_raw_parameter,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1092) 				CYAPA_TSG_FLASH_MAP_METADATA_SIZE);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1093) 	put_unaligned_le16(meta_data_crc, &cmd_data->metadata_crc);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1094) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1095) 	bl_packet_end = (struct pip_bl_packet_end *)(bl_cmd_head->data +
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1096) 				cmd_data_len);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1097) 	cmd_crc = crc_itu_t(0xffff, (u8 *)bl_packet_start,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1098) 		sizeof(struct pip_bl_packet_start) + cmd_data_len);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1099) 	put_unaligned_le16(cmd_crc, &bl_packet_end->crc);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1100) 	bl_packet_end->eop = PIP_EOP_KEY;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1101) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1102) 	resp_len = sizeof(resp_data);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1103) 	error = cyapa_i2c_pip_cmd_irq_sync(cyapa,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1104) 			cmd, cmd_len,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1105) 			resp_data, &resp_len, 12000,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1106) 			cyapa_sort_tsg_pip_bl_resp_data, true);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1107) 	if (error || resp_len != PIP_BL_INITIATE_RESP_LEN ||
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1108) 			resp_data[2] != PIP_BL_RESP_REPORT_ID ||
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1109) 			!PIP_CMD_COMPLETE_SUCCESS(resp_data))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1110) 		return error ? error : -EAGAIN;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1111) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1112) 	return 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1113) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1114) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1115) static bool cyapa_sort_pip_bl_exit_data(struct cyapa *cyapa, u8 *buf, int len)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1116) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1117) 	if (buf == NULL || len < PIP_RESP_LENGTH_SIZE)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1118) 		return false;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1119) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1120) 	if (buf[0] == 0 && buf[1] == 0)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1121) 		return true;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1122) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1123) 	/* Exit bootloader failed for some reason. */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1124) 	if (len == PIP_BL_FAIL_EXIT_RESP_LEN &&
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1125) 			buf[PIP_RESP_REPORT_ID_OFFSET] ==
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1126) 				PIP_BL_RESP_REPORT_ID &&
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1127) 			buf[PIP_RESP_RSVD_OFFSET] == PIP_RESP_RSVD_KEY &&
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1128) 			buf[PIP_RESP_BL_SOP_OFFSET] == PIP_SOP_KEY &&
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1129) 			buf[10] == PIP_EOP_KEY)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1130) 		return true;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1131) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1132) 	return false;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1133) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1134) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1135) int cyapa_pip_bl_exit(struct cyapa *cyapa)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1136) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1137) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1138) 	u8 bl_gen5_bl_exit[] = { 0x04, 0x00,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1139) 		0x0B, 0x00, 0x40, 0x00, 0x01, 0x3b, 0x00, 0x00,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1140) 		0x20, 0xc7, 0x17
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1141) 	};
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1142) 	u8 resp_data[11];
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1143) 	int resp_len;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1144) 	int error;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1145) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1146) 	resp_len = sizeof(resp_data);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1147) 	error = cyapa_i2c_pip_cmd_irq_sync(cyapa,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1148) 			bl_gen5_bl_exit, sizeof(bl_gen5_bl_exit),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1149) 			resp_data, &resp_len,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1150) 			5000, cyapa_sort_pip_bl_exit_data, false);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1151) 	if (error)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1152) 		return error;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1153) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1154) 	if (resp_len == PIP_BL_FAIL_EXIT_RESP_LEN ||
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1155) 			resp_data[PIP_RESP_REPORT_ID_OFFSET] ==
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1156) 				PIP_BL_RESP_REPORT_ID)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1157) 		return -EAGAIN;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1158) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1159) 	if (resp_data[0] == 0x00 && resp_data[1] == 0x00)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1160) 		return 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1161) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1162) 	return -ENODEV;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1163) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1164) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1165) int cyapa_pip_bl_enter(struct cyapa *cyapa)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1166) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1167) 	u8 cmd[] = { 0x04, 0x00, 0x05, 0x00, 0x2F, 0x00, 0x01 };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1168) 	u8 resp_data[2];
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1169) 	int resp_len;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1170) 	int error;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1171) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1172) 	error = cyapa_poll_state(cyapa, 500);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1173) 	if (error < 0)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1174) 		return error;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1175) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1176) 	/* Already in bootloader mode, Skipping exit. */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1177) 	if (cyapa_is_pip_bl_mode(cyapa))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1178) 		return 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1179) 	else if (!cyapa_is_pip_app_mode(cyapa))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1180) 		return -EINVAL;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1181) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1182) 	/* Try to dump all buffered report data before any send command. */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1183) 	cyapa_empty_pip_output_data(cyapa, NULL, NULL, NULL);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1184) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1185) 	/*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1186) 	 * Send bootloader enter command to trackpad device,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1187) 	 * after enter bootloader, the response data is two bytes of 0x00 0x00.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1188) 	 */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1189) 	resp_len = sizeof(resp_data);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1190) 	memset(resp_data, 0, resp_len);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1191) 	error = cyapa_i2c_pip_cmd_irq_sync(cyapa,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1192) 			cmd, sizeof(cmd),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1193) 			resp_data, &resp_len,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1194) 			5000, cyapa_sort_pip_application_launch_data,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1195) 			true);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1196) 	if (error || resp_data[0] != 0x00 || resp_data[1] != 0x00)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1197) 		return error < 0 ? error : -EAGAIN;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1198) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1199) 	cyapa->operational = false;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1200) 	if (cyapa->gen == CYAPA_GEN5)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1201) 		cyapa->state = CYAPA_STATE_GEN5_BL;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1202) 	else if (cyapa->gen == CYAPA_GEN6)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1203) 		cyapa->state = CYAPA_STATE_GEN6_BL;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1204) 	return 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1205) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1206) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1207) static int cyapa_pip_fw_head_check(struct cyapa *cyapa,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1208) 		struct cyapa_tsg_bin_image_head *image_head)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1209) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1210) 	if (image_head->head_size != 0x0C && image_head->head_size != 0x12)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1211) 		return -EINVAL;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1212) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1213) 	switch (cyapa->gen) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1214) 	case CYAPA_GEN6:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1215) 		if (image_head->family_id != 0x9B ||
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1216) 		    image_head->silicon_id_hi != 0x0B)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1217) 			return -EINVAL;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1218) 		break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1219) 	case CYAPA_GEN5:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1220) 		/* Gen5 without proximity support. */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1221) 		if (cyapa->platform_ver < 2) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1222) 			if (image_head->head_size == 0x0C)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1223) 				break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1224) 			return -EINVAL;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1225) 		}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1226) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1227) 		if (image_head->family_id != 0x91 ||
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1228) 		    image_head->silicon_id_hi != 0x02)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1229) 			return -EINVAL;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1230) 		break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1231) 	default:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1232) 		return -EINVAL;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1233) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1234) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1235) 	return 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1236) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1237) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1238) int cyapa_pip_check_fw(struct cyapa *cyapa, const struct firmware *fw)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1239) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1240) 	struct device *dev = &cyapa->client->dev;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1241) 	struct cyapa_tsg_bin_image_data_record *image_records;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1242) 	const struct cyapa_tsg_bin_image_data_record *app_integrity;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1243) 	const struct tsg_bl_metadata_row_params *metadata;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1244) 	int flash_records_count;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1245) 	u32 fw_app_start, fw_upgrade_start;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1246) 	u16 fw_app_len, fw_upgrade_len;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1247) 	u16 app_crc;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1248) 	u16 app_integrity_crc;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1249) 	int i;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1250) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1251) 	/* Verify the firmware image not miss-used for Gen5 and Gen6. */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1252) 	if (cyapa_pip_fw_head_check(cyapa,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1253) 		(struct cyapa_tsg_bin_image_head *)fw->data)) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1254) 		dev_err(dev, "%s: firmware image not match TP device.\n",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1255) 			     __func__);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1256) 		return -EINVAL;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1257) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1258) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1259) 	image_records =
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1260) 		cyapa_get_image_record_data_num(fw, &flash_records_count);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1261) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1262) 	/*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1263) 	 * APP_INTEGRITY row is always the last row block,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1264) 	 * and the row id must be 0x01ff.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1265) 	 */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1266) 	app_integrity = &image_records[flash_records_count - 1];
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1267) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1268) 	if (app_integrity->flash_array_id != 0x00 ||
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1269) 	    get_unaligned_be16(&app_integrity->row_number) != 0x01ff) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1270) 		dev_err(dev, "%s: invalid app_integrity data.\n", __func__);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1271) 		return -EINVAL;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1272) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1273) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1274) 	metadata = (const void *)app_integrity->record_data;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1275) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1276) 	/* Verify app_integrity crc */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1277) 	app_integrity_crc = crc_itu_t(0xffff, app_integrity->record_data,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1278) 				      CYAPA_TSG_APP_INTEGRITY_SIZE);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1279) 	if (app_integrity_crc != get_unaligned_le16(&metadata->metadata_crc)) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1280) 		dev_err(dev, "%s: invalid app_integrity crc.\n", __func__);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1281) 		return -EINVAL;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1282) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1283) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1284) 	fw_app_start = get_unaligned_le32(&metadata->app_start);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1285) 	fw_app_len = get_unaligned_le16(&metadata->app_len);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1286) 	fw_upgrade_start = get_unaligned_le32(&metadata->upgrade_start);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1287) 	fw_upgrade_len = get_unaligned_le16(&metadata->upgrade_len);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1288) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1289) 	if (fw_app_start % CYAPA_TSG_FW_ROW_SIZE ||
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1290) 	    fw_app_len % CYAPA_TSG_FW_ROW_SIZE ||
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1291) 	    fw_upgrade_start % CYAPA_TSG_FW_ROW_SIZE ||
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1292) 	    fw_upgrade_len % CYAPA_TSG_FW_ROW_SIZE) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1293) 		dev_err(dev, "%s: invalid image alignment.\n", __func__);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1294) 		return -EINVAL;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1295) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1296) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1297) 	/* Verify application image CRC. */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1298) 	app_crc = 0xffffU;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1299) 	for (i = 0; i < fw_app_len / CYAPA_TSG_FW_ROW_SIZE; i++) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1300) 		const u8 *data = image_records[i].record_data;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1301) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1302) 		app_crc = crc_itu_t(app_crc, data, CYAPA_TSG_FW_ROW_SIZE);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1303) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1304) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1305) 	if (app_crc != get_unaligned_le16(&metadata->app_crc)) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1306) 		dev_err(dev, "%s: invalid firmware app crc check.\n", __func__);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1307) 		return -EINVAL;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1308) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1309) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1310) 	return 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1311) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1312) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1313) static int cyapa_pip_write_fw_block(struct cyapa *cyapa,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1314) 		struct cyapa_tsg_bin_image_data_record *flash_record)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1315) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1316) 	struct pip_bl_cmd_head *bl_cmd_head;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1317) 	struct pip_bl_packet_start *bl_packet_start;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1318) 	struct tsg_bl_flash_row_head *flash_row_head;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1319) 	struct pip_bl_packet_end *bl_packet_end;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1320) 	u8 cmd[CYAPA_TSG_MAX_CMD_SIZE];
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1321) 	u16 cmd_len;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1322) 	u8 flash_array_id;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1323) 	u16 flash_row_id;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1324) 	u16 record_len;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1325) 	u8 *record_data;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1326) 	u16 data_len;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1327) 	u16 crc;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1328) 	u8 resp_data[11];
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1329) 	int resp_len;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1330) 	int error;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1331) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1332) 	flash_array_id = flash_record->flash_array_id;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1333) 	flash_row_id = get_unaligned_be16(&flash_record->row_number);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1334) 	record_len = get_unaligned_be16(&flash_record->record_len);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1335) 	record_data = flash_record->record_data;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1336) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1337) 	memset(cmd, 0, CYAPA_TSG_MAX_CMD_SIZE);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1338) 	bl_cmd_head = (struct pip_bl_cmd_head *)cmd;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1339) 	bl_packet_start = &bl_cmd_head->packet_start;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1340) 	cmd_len = sizeof(struct pip_bl_cmd_head) +
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1341) 		  sizeof(struct tsg_bl_flash_row_head) +
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1342) 		  CYAPA_TSG_FLASH_MAP_BLOCK_SIZE +
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1343) 		  sizeof(struct pip_bl_packet_end);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1344) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1345) 	put_unaligned_le16(PIP_OUTPUT_REPORT_ADDR, &bl_cmd_head->addr);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1346) 	/* Don't include 2 bytes register address */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1347) 	put_unaligned_le16(cmd_len - 2, &bl_cmd_head->length);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1348) 	bl_cmd_head->report_id = PIP_BL_CMD_REPORT_ID;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1349) 	bl_packet_start->sop = PIP_SOP_KEY;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1350) 	bl_packet_start->cmd_code = PIP_BL_CMD_PROGRAM_VERIFY_ROW;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1351) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1352) 	/* 1 (Flash Array ID) + 2 (Flash Row ID) + 128 (flash data) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1353) 	data_len = sizeof(struct tsg_bl_flash_row_head) + record_len;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1354) 	put_unaligned_le16(data_len, &bl_packet_start->data_length);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1355) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1356) 	flash_row_head = (struct tsg_bl_flash_row_head *)bl_cmd_head->data;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1357) 	flash_row_head->flash_array_id = flash_array_id;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1358) 	put_unaligned_le16(flash_row_id, &flash_row_head->flash_row_id);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1359) 	memcpy(flash_row_head->flash_data, record_data, record_len);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1360) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1361) 	bl_packet_end = (struct pip_bl_packet_end *)(bl_cmd_head->data +
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1362) 						      data_len);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1363) 	crc = crc_itu_t(0xffff, (u8 *)bl_packet_start,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1364) 		sizeof(struct pip_bl_packet_start) + data_len);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1365) 	put_unaligned_le16(crc, &bl_packet_end->crc);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1366) 	bl_packet_end->eop = PIP_EOP_KEY;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1367) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1368) 	resp_len = sizeof(resp_data);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1369) 	error = cyapa_i2c_pip_cmd_irq_sync(cyapa, cmd, cmd_len,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1370) 			resp_data, &resp_len,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1371) 			500, cyapa_sort_tsg_pip_bl_resp_data, true);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1372) 	if (error || resp_len != PIP_BL_BLOCK_WRITE_RESP_LEN ||
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1373) 			resp_data[2] != PIP_BL_RESP_REPORT_ID ||
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1374) 			!PIP_CMD_COMPLETE_SUCCESS(resp_data))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1375) 		return error < 0 ? error : -EAGAIN;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1376) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1377) 	return 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1378) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1379) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1380) int cyapa_pip_do_fw_update(struct cyapa *cyapa,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1381) 		const struct firmware *fw)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1382) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1383) 	struct device *dev = &cyapa->client->dev;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1384) 	struct cyapa_tsg_bin_image_data_record *image_records;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1385) 	int flash_records_count;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1386) 	int i;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1387) 	int error;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1388) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1389) 	cyapa_empty_pip_output_data(cyapa, NULL, NULL, NULL);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1390) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1391) 	image_records =
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1392) 		cyapa_get_image_record_data_num(fw, &flash_records_count);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1393) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1394) 	/*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1395) 	 * The last flash row 0x01ff has been written through bl_initiate
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1396) 	 * command, so DO NOT write flash 0x01ff to trackpad device.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1397) 	 */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1398) 	for (i = 0; i < (flash_records_count - 1); i++) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1399) 		error = cyapa_pip_write_fw_block(cyapa, &image_records[i]);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1400) 		if (error) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1401) 			dev_err(dev, "%s: Gen5 FW update aborted: %d\n",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1402) 				__func__, error);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1403) 			return error;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1404) 		}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1405) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1406) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1407) 	return 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1408) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1409) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1410) static int cyapa_gen5_change_power_state(struct cyapa *cyapa, u8 power_state)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1411) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1412) 	u8 cmd[8] = { 0x04, 0x00, 0x06, 0x00, 0x2f, 0x00, 0x08, 0x01 };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1413) 	u8 resp_data[6];
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1414) 	int resp_len;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1415) 	int error;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1416) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1417) 	cmd[7] = power_state;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1418) 	resp_len = sizeof(resp_data);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1419) 	error = cyapa_i2c_pip_cmd_irq_sync(cyapa, cmd, sizeof(cmd),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1420) 			resp_data, &resp_len,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1421) 			500, cyapa_sort_tsg_pip_app_resp_data, false);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1422) 	if (error || !VALID_CMD_RESP_HEADER(resp_data, 0x08) ||
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1423) 			!PIP_CMD_COMPLETE_SUCCESS(resp_data))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1424) 		return error < 0 ? error : -EINVAL;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1425) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1426) 	return 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1427) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1428) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1429) static int cyapa_gen5_set_interval_time(struct cyapa *cyapa,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1430) 		u8 parameter_id, u16 interval_time)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1431) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1432) 	struct pip_app_cmd_head *app_cmd_head;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1433) 	struct gen5_app_set_parameter_data *parameter_data;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1434) 	u8 cmd[CYAPA_TSG_MAX_CMD_SIZE];
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1435) 	int cmd_len;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1436) 	u8 resp_data[7];
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1437) 	int resp_len;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1438) 	u8 parameter_size;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1439) 	int error;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1440) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1441) 	memset(cmd, 0, CYAPA_TSG_MAX_CMD_SIZE);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1442) 	app_cmd_head = (struct pip_app_cmd_head *)cmd;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1443) 	parameter_data = (struct gen5_app_set_parameter_data *)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1444) 			 app_cmd_head->parameter_data;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1445) 	cmd_len = sizeof(struct pip_app_cmd_head) +
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1446) 		  sizeof(struct gen5_app_set_parameter_data);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1447) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1448) 	switch (parameter_id) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1449) 	case GEN5_PARAMETER_ACT_INTERVL_ID:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1450) 		parameter_size = GEN5_PARAMETER_ACT_INTERVL_SIZE;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1451) 		break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1452) 	case GEN5_PARAMETER_ACT_LFT_INTERVL_ID:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1453) 		parameter_size = GEN5_PARAMETER_ACT_LFT_INTERVL_SIZE;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1454) 		break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1455) 	case GEN5_PARAMETER_LP_INTRVL_ID:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1456) 		parameter_size = GEN5_PARAMETER_LP_INTRVL_SIZE;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1457) 		break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1458) 	default:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1459) 		return -EINVAL;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1460) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1461) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1462) 	put_unaligned_le16(PIP_OUTPUT_REPORT_ADDR, &app_cmd_head->addr);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1463) 	/*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1464) 	 * Don't include unused parameter value bytes and
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1465) 	 * 2 bytes register address.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1466) 	 */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1467) 	put_unaligned_le16(cmd_len - (4 - parameter_size) - 2,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1468) 			   &app_cmd_head->length);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1469) 	app_cmd_head->report_id = PIP_APP_CMD_REPORT_ID;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1470) 	app_cmd_head->cmd_code = GEN5_CMD_SET_PARAMETER;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1471) 	parameter_data->parameter_id = parameter_id;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1472) 	parameter_data->parameter_size = parameter_size;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1473) 	put_unaligned_le32((u32)interval_time, &parameter_data->value);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1474) 	resp_len = sizeof(resp_data);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1475) 	error = cyapa_i2c_pip_cmd_irq_sync(cyapa, cmd, cmd_len,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1476) 			resp_data, &resp_len,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1477) 			500, cyapa_sort_tsg_pip_app_resp_data, false);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1478) 	if (error || resp_data[5] != parameter_id ||
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1479) 		resp_data[6] != parameter_size ||
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1480) 		!VALID_CMD_RESP_HEADER(resp_data, GEN5_CMD_SET_PARAMETER))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1481) 		return error < 0 ? error : -EINVAL;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1482) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1483) 	return 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1484) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1485) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1486) static int cyapa_gen5_get_interval_time(struct cyapa *cyapa,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1487) 		u8 parameter_id, u16 *interval_time)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1488) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1489) 	struct pip_app_cmd_head *app_cmd_head;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1490) 	struct gen5_app_get_parameter_data *parameter_data;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1491) 	u8 cmd[CYAPA_TSG_MAX_CMD_SIZE];
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1492) 	int cmd_len;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1493) 	u8 resp_data[11];
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1494) 	int resp_len;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1495) 	u8 parameter_size;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1496) 	u16 mask, i;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1497) 	int error;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1498) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1499) 	memset(cmd, 0, CYAPA_TSG_MAX_CMD_SIZE);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1500) 	app_cmd_head = (struct pip_app_cmd_head *)cmd;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1501) 	parameter_data = (struct gen5_app_get_parameter_data *)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1502) 			 app_cmd_head->parameter_data;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1503) 	cmd_len = sizeof(struct pip_app_cmd_head) +
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1504) 		  sizeof(struct gen5_app_get_parameter_data);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1505) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1506) 	*interval_time = 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1507) 	switch (parameter_id) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1508) 	case GEN5_PARAMETER_ACT_INTERVL_ID:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1509) 		parameter_size = GEN5_PARAMETER_ACT_INTERVL_SIZE;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1510) 		break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1511) 	case GEN5_PARAMETER_ACT_LFT_INTERVL_ID:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1512) 		parameter_size = GEN5_PARAMETER_ACT_LFT_INTERVL_SIZE;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1513) 		break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1514) 	case GEN5_PARAMETER_LP_INTRVL_ID:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1515) 		parameter_size = GEN5_PARAMETER_LP_INTRVL_SIZE;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1516) 		break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1517) 	default:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1518) 		return -EINVAL;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1519) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1520) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1521) 	put_unaligned_le16(PIP_OUTPUT_REPORT_ADDR, &app_cmd_head->addr);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1522) 	/* Don't include 2 bytes register address */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1523) 	put_unaligned_le16(cmd_len - 2, &app_cmd_head->length);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1524) 	app_cmd_head->report_id = PIP_APP_CMD_REPORT_ID;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1525) 	app_cmd_head->cmd_code = GEN5_CMD_GET_PARAMETER;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1526) 	parameter_data->parameter_id = parameter_id;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1527) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1528) 	resp_len = sizeof(resp_data);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1529) 	error = cyapa_i2c_pip_cmd_irq_sync(cyapa, cmd, cmd_len,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1530) 			resp_data, &resp_len,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1531) 			500, cyapa_sort_tsg_pip_app_resp_data, false);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1532) 	if (error || resp_data[5] != parameter_id || resp_data[6] == 0 ||
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1533) 		!VALID_CMD_RESP_HEADER(resp_data, GEN5_CMD_GET_PARAMETER))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1534) 		return error < 0 ? error : -EINVAL;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1535) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1536) 	mask = 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1537) 	for (i = 0; i < parameter_size; i++)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1538) 		mask |= (0xff << (i * 8));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1539) 	*interval_time = get_unaligned_le16(&resp_data[7]) & mask;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1540) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1541) 	return 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1542) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1543) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1544) static int cyapa_gen5_disable_pip_report(struct cyapa *cyapa)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1545) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1546) 	struct pip_app_cmd_head *app_cmd_head;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1547) 	u8 cmd[10];
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1548) 	u8 resp_data[7];
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1549) 	int resp_len;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1550) 	int error;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1551) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1552) 	memset(cmd, 0, sizeof(cmd));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1553) 	app_cmd_head = (struct pip_app_cmd_head *)cmd;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1554) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1555) 	put_unaligned_le16(PIP_OUTPUT_REPORT_ADDR, &app_cmd_head->addr);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1556) 	put_unaligned_le16(sizeof(cmd) - 2, &app_cmd_head->length);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1557) 	app_cmd_head->report_id = PIP_APP_CMD_REPORT_ID;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1558) 	app_cmd_head->cmd_code = GEN5_CMD_SET_PARAMETER;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1559) 	app_cmd_head->parameter_data[0] = GEN5_PARAMETER_DISABLE_PIP_REPORT;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1560) 	app_cmd_head->parameter_data[1] = 0x01;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1561) 	app_cmd_head->parameter_data[2] = 0x01;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1562) 	resp_len = sizeof(resp_data);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1563) 	error = cyapa_i2c_pip_cmd_irq_sync(cyapa, cmd, sizeof(cmd),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1564) 			resp_data, &resp_len,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1565) 			500, cyapa_sort_tsg_pip_app_resp_data, false);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1566) 	if (error || resp_data[5] != GEN5_PARAMETER_DISABLE_PIP_REPORT ||
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1567) 		!VALID_CMD_RESP_HEADER(resp_data, GEN5_CMD_SET_PARAMETER) ||
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1568) 		resp_data[6] != 0x01)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1569) 		return error < 0 ? error : -EINVAL;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1570) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1571) 	return 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1572) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1573) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1574) int cyapa_pip_set_proximity(struct cyapa *cyapa, bool enable)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1575) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1576) 	u8 cmd[] = { 0x04, 0x00, 0x06, 0x00, 0x2f, 0x00, PIP_SET_PROXIMITY,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1577) 		     (u8)!!enable
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1578) 	};
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1579) 	u8 resp_data[6];
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1580) 	int resp_len;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1581) 	int error;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1582) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1583) 	resp_len = sizeof(resp_data);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1584) 	error = cyapa_i2c_pip_cmd_irq_sync(cyapa, cmd, sizeof(cmd),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1585) 			resp_data, &resp_len,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1586) 			500, cyapa_sort_tsg_pip_app_resp_data, false);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1587) 	if (error || !VALID_CMD_RESP_HEADER(resp_data, PIP_SET_PROXIMITY) ||
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1588) 			!PIP_CMD_COMPLETE_SUCCESS(resp_data)) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1589) 		error = (error == -ETIMEDOUT) ? -EOPNOTSUPP : error;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1590) 		return error < 0 ? error : -EINVAL;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1591) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1592) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1593) 	return 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1594) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1595) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1596) int cyapa_pip_deep_sleep(struct cyapa *cyapa, u8 state)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1597) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1598) 	u8 cmd[] = { 0x05, 0x00, 0x00, 0x08};
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1599) 	u8 resp_data[5];
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1600) 	int resp_len;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1601) 	int error;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1602) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1603) 	cmd[2] = state & PIP_DEEP_SLEEP_STATE_MASK;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1604) 	resp_len = sizeof(resp_data);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1605) 	error = cyapa_i2c_pip_cmd_irq_sync(cyapa, cmd, sizeof(cmd),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1606) 			resp_data, &resp_len,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1607) 			500, cyapa_sort_pip_deep_sleep_data, false);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1608) 	if (error || ((resp_data[3] & PIP_DEEP_SLEEP_STATE_MASK) != state))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1609) 		return -EINVAL;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1610) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1611) 	return 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1612) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1613) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1614) static int cyapa_gen5_set_power_mode(struct cyapa *cyapa,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1615) 		u8 power_mode, u16 sleep_time, enum cyapa_pm_stage pm_stage)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1616) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1617) 	struct device *dev = &cyapa->client->dev;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1618) 	u8 power_state;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1619) 	int error = 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1620) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1621) 	if (cyapa->state != CYAPA_STATE_GEN5_APP)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1622) 		return 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1623) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1624) 	cyapa_set_pip_pm_state(cyapa, pm_stage);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1625) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1626) 	if (PIP_DEV_GET_PWR_STATE(cyapa) == UNINIT_PWR_MODE) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1627) 		/*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1628) 		 * Assume TP in deep sleep mode when driver is loaded,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1629) 		 * avoid driver unload and reload command IO issue caused by TP
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1630) 		 * has been set into deep sleep mode when unloading.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1631) 		 */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1632) 		PIP_DEV_SET_PWR_STATE(cyapa, PWR_MODE_OFF);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1633) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1634) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1635) 	if (PIP_DEV_UNINIT_SLEEP_TIME(cyapa) &&
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1636) 			PIP_DEV_GET_PWR_STATE(cyapa) != PWR_MODE_OFF)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1637) 		if (cyapa_gen5_get_interval_time(cyapa,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1638) 				GEN5_PARAMETER_LP_INTRVL_ID,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1639) 				&cyapa->dev_sleep_time) != 0)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1640) 			PIP_DEV_SET_SLEEP_TIME(cyapa, UNINIT_SLEEP_TIME);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1641) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1642) 	if (PIP_DEV_GET_PWR_STATE(cyapa) == power_mode) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1643) 		if (power_mode == PWR_MODE_OFF ||
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1644) 			power_mode == PWR_MODE_FULL_ACTIVE ||
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1645) 			power_mode == PWR_MODE_BTN_ONLY ||
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1646) 			PIP_DEV_GET_SLEEP_TIME(cyapa) == sleep_time) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1647) 			/* Has in correct power mode state, early return. */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1648) 			goto out;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1649) 		}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1650) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1651) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1652) 	if (power_mode == PWR_MODE_OFF) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1653) 		error = cyapa_pip_deep_sleep(cyapa, PIP_DEEP_SLEEP_STATE_OFF);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1654) 		if (error) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1655) 			dev_err(dev, "enter deep sleep fail: %d\n", error);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1656) 			goto out;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1657) 		}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1658) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1659) 		PIP_DEV_SET_PWR_STATE(cyapa, PWR_MODE_OFF);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1660) 		goto out;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1661) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1662) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1663) 	/*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1664) 	 * When trackpad in power off mode, it cannot change to other power
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1665) 	 * state directly, must be wake up from sleep firstly, then
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1666) 	 * continue to do next power sate change.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1667) 	 */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1668) 	if (PIP_DEV_GET_PWR_STATE(cyapa) == PWR_MODE_OFF) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1669) 		error = cyapa_pip_deep_sleep(cyapa, PIP_DEEP_SLEEP_STATE_ON);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1670) 		if (error) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1671) 			dev_err(dev, "deep sleep wake fail: %d\n", error);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1672) 			goto out;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1673) 		}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1674) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1675) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1676) 	if (power_mode == PWR_MODE_FULL_ACTIVE) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1677) 		error = cyapa_gen5_change_power_state(cyapa,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1678) 				GEN5_POWER_STATE_ACTIVE);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1679) 		if (error) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1680) 			dev_err(dev, "change to active fail: %d\n", error);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1681) 			goto out;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1682) 		}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1683) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1684) 		PIP_DEV_SET_PWR_STATE(cyapa, PWR_MODE_FULL_ACTIVE);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1685) 	} else if (power_mode == PWR_MODE_BTN_ONLY) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1686) 		error = cyapa_gen5_change_power_state(cyapa,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1687) 				GEN5_POWER_STATE_BTN_ONLY);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1688) 		if (error) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1689) 			dev_err(dev, "fail to button only mode: %d\n", error);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1690) 			goto out;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1691) 		}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1692) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1693) 		PIP_DEV_SET_PWR_STATE(cyapa, PWR_MODE_BTN_ONLY);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1694) 	} else {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1695) 		/*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1696) 		 * Continue to change power mode even failed to set
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1697) 		 * interval time, it won't affect the power mode change.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1698) 		 * except the sleep interval time is not correct.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1699) 		 */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1700) 		if (PIP_DEV_UNINIT_SLEEP_TIME(cyapa) ||
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1701) 				sleep_time != PIP_DEV_GET_SLEEP_TIME(cyapa))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1702) 			if (cyapa_gen5_set_interval_time(cyapa,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1703) 					GEN5_PARAMETER_LP_INTRVL_ID,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1704) 					sleep_time) == 0)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1705) 				PIP_DEV_SET_SLEEP_TIME(cyapa, sleep_time);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1706) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1707) 		if (sleep_time <= GEN5_POWER_READY_MAX_INTRVL_TIME)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1708) 			power_state = GEN5_POWER_STATE_READY;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1709) 		else
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1710) 			power_state = GEN5_POWER_STATE_IDLE;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1711) 		error = cyapa_gen5_change_power_state(cyapa, power_state);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1712) 		if (error) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1713) 			dev_err(dev, "set power state to 0x%02x failed: %d\n",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1714) 				power_state, error);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1715) 			goto out;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1716) 		}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1717) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1718) 		/*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1719) 		 * Disable pip report for a little time, firmware will
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1720) 		 * re-enable it automatically. It's used to fix the issue
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1721) 		 * that trackpad unable to report signal to wake system up
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1722) 		 * in the special situation that system is in suspending, and
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1723) 		 * at the same time, user touch trackpad to wake system up.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1724) 		 * This function can avoid the data to be buffered when system
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1725) 		 * is suspending which may cause interrupt line unable to be
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1726) 		 * asserted again.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1727) 		 */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1728) 		if (pm_stage == CYAPA_PM_SUSPEND)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1729) 			cyapa_gen5_disable_pip_report(cyapa);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1730) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1731) 		PIP_DEV_SET_PWR_STATE(cyapa,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1732) 			cyapa_sleep_time_to_pwr_cmd(sleep_time));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1733) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1734) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1735) out:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1736) 	cyapa_reset_pip_pm_state(cyapa);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1737) 	return error;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1738) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1739) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1740) int cyapa_pip_resume_scanning(struct cyapa *cyapa)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1741) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1742) 	u8 cmd[] = { 0x04, 0x00, 0x05, 0x00, 0x2f, 0x00, 0x04 };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1743) 	u8 resp_data[6];
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1744) 	int resp_len;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1745) 	int error;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1746) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1747) 	/* Try to dump all buffered data before doing command. */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1748) 	cyapa_empty_pip_output_data(cyapa, NULL, NULL, NULL);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1749) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1750) 	resp_len = sizeof(resp_data);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1751) 	error = cyapa_i2c_pip_cmd_irq_sync(cyapa,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1752) 			cmd, sizeof(cmd),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1753) 			resp_data, &resp_len,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1754) 			500, cyapa_sort_tsg_pip_app_resp_data, true);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1755) 	if (error || !VALID_CMD_RESP_HEADER(resp_data, 0x04))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1756) 		return -EINVAL;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1757) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1758) 	/* Try to dump all buffered data when resuming scanning. */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1759) 	cyapa_empty_pip_output_data(cyapa, NULL, NULL, NULL);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1760) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1761) 	return 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1762) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1763) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1764) int cyapa_pip_suspend_scanning(struct cyapa *cyapa)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1765) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1766) 	u8 cmd[] = { 0x04, 0x00, 0x05, 0x00, 0x2f, 0x00, 0x03 };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1767) 	u8 resp_data[6];
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1768) 	int resp_len;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1769) 	int error;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1770) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1771) 	/* Try to dump all buffered data before doing command. */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1772) 	cyapa_empty_pip_output_data(cyapa, NULL, NULL, NULL);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1773) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1774) 	resp_len = sizeof(resp_data);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1775) 	error = cyapa_i2c_pip_cmd_irq_sync(cyapa,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1776) 			cmd, sizeof(cmd),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1777) 			resp_data, &resp_len,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1778) 			500, cyapa_sort_tsg_pip_app_resp_data, true);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1779) 	if (error || !VALID_CMD_RESP_HEADER(resp_data, 0x03))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1780) 		return -EINVAL;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1781) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1782) 	/* Try to dump all buffered data when suspending scanning. */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1783) 	cyapa_empty_pip_output_data(cyapa, NULL, NULL, NULL);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1784) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1785) 	return 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1786) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1787) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1788) static int cyapa_pip_calibrate_pwcs(struct cyapa *cyapa,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1789) 		u8 calibrate_sensing_mode_type)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1790) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1791) 	struct pip_app_cmd_head *app_cmd_head;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1792) 	u8 cmd[8];
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1793) 	u8 resp_data[6];
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1794) 	int resp_len;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1795) 	int error;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1796) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1797) 	/* Try to dump all buffered data before doing command. */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1798) 	cyapa_empty_pip_output_data(cyapa, NULL, NULL, NULL);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1799) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1800) 	memset(cmd, 0, sizeof(cmd));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1801) 	app_cmd_head = (struct pip_app_cmd_head *)cmd;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1802) 	put_unaligned_le16(PIP_OUTPUT_REPORT_ADDR, &app_cmd_head->addr);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1803) 	put_unaligned_le16(sizeof(cmd) - 2, &app_cmd_head->length);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1804) 	app_cmd_head->report_id = PIP_APP_CMD_REPORT_ID;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1805) 	app_cmd_head->cmd_code = PIP_CMD_CALIBRATE;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1806) 	app_cmd_head->parameter_data[0] = calibrate_sensing_mode_type;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1807) 	resp_len = sizeof(resp_data);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1808) 	error = cyapa_i2c_pip_cmd_irq_sync(cyapa,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1809) 			cmd, sizeof(cmd),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1810) 			resp_data, &resp_len,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1811) 			5000, cyapa_sort_tsg_pip_app_resp_data, true);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1812) 	if (error || !VALID_CMD_RESP_HEADER(resp_data, PIP_CMD_CALIBRATE) ||
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1813) 			!PIP_CMD_COMPLETE_SUCCESS(resp_data))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1814) 		return error < 0 ? error : -EAGAIN;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1815) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1816) 	return 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1817) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1818) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1819) ssize_t cyapa_pip_do_calibrate(struct device *dev,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1820) 				     struct device_attribute *attr,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1821) 				     const char *buf, size_t count)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1822) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1823) 	struct cyapa *cyapa = dev_get_drvdata(dev);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1824) 	int error, calibrate_error;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1825) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1826) 	/* 1. Suspend Scanning*/
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1827) 	error = cyapa_pip_suspend_scanning(cyapa);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1828) 	if (error)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1829) 		return error;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1830) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1831) 	/* 2. Do mutual capacitance fine calibrate. */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1832) 	calibrate_error = cyapa_pip_calibrate_pwcs(cyapa,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1833) 				PIP_SENSING_MODE_MUTUAL_CAP_FINE);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1834) 	if (calibrate_error)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1835) 		goto resume_scanning;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1836) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1837) 	/* 3. Do self capacitance calibrate. */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1838) 	calibrate_error = cyapa_pip_calibrate_pwcs(cyapa,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1839) 				PIP_SENSING_MODE_SELF_CAP);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1840) 	if (calibrate_error)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1841) 		goto resume_scanning;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1842) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1843) resume_scanning:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1844) 	/* 4. Resume Scanning*/
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1845) 	error = cyapa_pip_resume_scanning(cyapa);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1846) 	if (error || calibrate_error)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1847) 		return error ? error : calibrate_error;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1848) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1849) 	return count;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1850) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1851) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1852) static s32 twos_complement_to_s32(s32 value, int num_bits)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1853) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1854) 	if (value >> (num_bits - 1))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1855) 		value |=  -1 << num_bits;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1856) 	return value;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1857) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1858) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1859) static s32 cyapa_parse_structure_data(u8 data_format, u8 *buf, int buf_len)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1860) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1861) 	int data_size;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1862) 	bool big_endian;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1863) 	bool unsigned_type;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1864) 	s32 value;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1865) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1866) 	data_size = (data_format & 0x07);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1867) 	big_endian = ((data_format & 0x10) == 0x00);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1868) 	unsigned_type = ((data_format & 0x20) == 0x00);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1869) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1870) 	if (buf_len < data_size)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1871) 		return 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1872) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1873) 	switch (data_size) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1874) 	case 1:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1875) 		value  = buf[0];
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1876) 		break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1877) 	case 2:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1878) 		if (big_endian)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1879) 			value = get_unaligned_be16(buf);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1880) 		else
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1881) 			value = get_unaligned_le16(buf);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1882) 		break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1883) 	case 4:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1884) 		if (big_endian)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1885) 			value = get_unaligned_be32(buf);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1886) 		else
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1887) 			value = get_unaligned_le32(buf);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1888) 		break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1889) 	default:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1890) 		/* Should not happen, just as default case here. */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1891) 		value = 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1892) 		break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1893) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1894) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1895) 	if (!unsigned_type)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1896) 		value = twos_complement_to_s32(value, data_size * 8);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1897) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1898) 	return value;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1899) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1900) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1901) static void cyapa_gen5_guess_electrodes(struct cyapa *cyapa,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1902) 		int *electrodes_rx, int *electrodes_tx)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1903) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1904) 	if (cyapa->electrodes_rx != 0) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1905) 		*electrodes_rx = cyapa->electrodes_rx;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1906) 		*electrodes_tx = (cyapa->electrodes_x == *electrodes_rx) ?
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1907) 				cyapa->electrodes_y : cyapa->electrodes_x;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1908) 	} else {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1909) 		*electrodes_tx = min(cyapa->electrodes_x, cyapa->electrodes_y);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1910) 		*electrodes_rx = max(cyapa->electrodes_x, cyapa->electrodes_y);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1911) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1912) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1913) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1914) /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1915)  * Read all the global mutual or self idac data or mutual or self local PWC
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1916)  * data based on the @idac_data_type.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1917)  * If the input value of @data_size is 0, then means read global mutual or
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1918)  * self idac data. For read global mutual idac data, @idac_max, @idac_min and
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1919)  * @idac_ave are in order used to return the max value of global mutual idac
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1920)  * data, the min value of global mutual idac and the average value of the
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1921)  * global mutual idac data. For read global self idac data, @idac_max is used
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1922)  * to return the global self cap idac data in Rx direction, @idac_min is used
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1923)  * to return the global self cap idac data in Tx direction. @idac_ave is not
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1924)  * used.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1925)  * If the input value of @data_size is not 0, than means read the mutual or
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1926)  * self local PWC data. The @idac_max, @idac_min and @idac_ave are used to
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1927)  * return the max, min and average value of the mutual or self local PWC data.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1928)  * Note, in order to read mutual local PWC data, must read invoke this function
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1929)  * to read the mutual global idac data firstly to set the correct Rx number
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1930)  * value, otherwise, the read mutual idac and PWC data may not correct.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1931)  */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1932) static int cyapa_gen5_read_idac_data(struct cyapa *cyapa,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1933) 		u8 cmd_code, u8 idac_data_type, int *data_size,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1934) 		int *idac_max, int *idac_min, int *idac_ave)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1935) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1936) 	struct pip_app_cmd_head *cmd_head;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1937) 	u8 cmd[12];
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1938) 	u8 resp_data[256];
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1939) 	int resp_len;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1940) 	int read_len;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1941) 	int value;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1942) 	u16 offset;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1943) 	int read_elements;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1944) 	bool read_global_idac;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1945) 	int sum, count, max_element_cnt;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1946) 	int tmp_max, tmp_min, tmp_ave, tmp_sum, tmp_count;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1947) 	int electrodes_rx, electrodes_tx;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1948) 	int i;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1949) 	int error;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1950) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1951) 	if (cmd_code != PIP_RETRIEVE_DATA_STRUCTURE ||
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1952) 		(idac_data_type != GEN5_RETRIEVE_MUTUAL_PWC_DATA &&
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1953) 		idac_data_type != GEN5_RETRIEVE_SELF_CAP_PWC_DATA) ||
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1954) 		!data_size || !idac_max || !idac_min || !idac_ave)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1955) 		return -EINVAL;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1956) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1957) 	*idac_max = INT_MIN;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1958) 	*idac_min = INT_MAX;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1959) 	sum = count = tmp_count = 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1960) 	electrodes_rx = electrodes_tx = 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1961) 	if (*data_size == 0) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1962) 		/*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1963) 		 * Read global idac values firstly.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1964) 		 * Currently, no idac data exceed 4 bytes.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1965) 		 */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1966) 		read_global_idac = true;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1967) 		offset = 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1968) 		*data_size = 4;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1969) 		tmp_max = INT_MIN;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1970) 		tmp_min = INT_MAX;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1971) 		tmp_ave = tmp_sum = tmp_count = 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1972) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1973) 		if (idac_data_type == GEN5_RETRIEVE_MUTUAL_PWC_DATA) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1974) 			if (cyapa->aligned_electrodes_rx == 0) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1975) 				cyapa_gen5_guess_electrodes(cyapa,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1976) 					&electrodes_rx, &electrodes_tx);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1977) 				cyapa->aligned_electrodes_rx =
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1978) 					(electrodes_rx + 3) & ~3u;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1979) 			}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1980) 			max_element_cnt =
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1981) 				(cyapa->aligned_electrodes_rx + 7) & ~7u;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1982) 		} else {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1983) 			max_element_cnt = 2;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1984) 		}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1985) 	} else {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1986) 		read_global_idac = false;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1987) 		if (*data_size > 4)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1988) 			*data_size = 4;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1989) 		/* Calculate the start offset in bytes of local PWC data. */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1990) 		if (idac_data_type == GEN5_RETRIEVE_MUTUAL_PWC_DATA) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1991) 			offset = cyapa->aligned_electrodes_rx * (*data_size);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1992) 			if (cyapa->electrodes_rx == cyapa->electrodes_x)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1993) 				electrodes_tx = cyapa->electrodes_y;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1994) 			else
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1995) 				electrodes_tx = cyapa->electrodes_x;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1996) 			max_element_cnt = ((cyapa->aligned_electrodes_rx + 7) &
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1997) 						~7u) * electrodes_tx;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1998) 		} else {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1999) 			offset = 2;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2000) 			max_element_cnt = cyapa->electrodes_x +
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2001) 						cyapa->electrodes_y;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2002) 			max_element_cnt = (max_element_cnt + 3) & ~3u;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2003) 		}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2004) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2005) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2006) 	memset(cmd, 0, sizeof(cmd));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2007) 	cmd_head = (struct pip_app_cmd_head *)cmd;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2008) 	put_unaligned_le16(PIP_OUTPUT_REPORT_ADDR, &cmd_head->addr);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2009) 	put_unaligned_le16(sizeof(cmd) - 2, &cmd_head->length);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2010) 	cmd_head->report_id = PIP_APP_CMD_REPORT_ID;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2011) 	cmd_head->cmd_code = cmd_code;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2012) 	do {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2013) 		read_elements = (256 - GEN5_RESP_DATA_STRUCTURE_OFFSET) /
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2014) 				(*data_size);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2015) 		read_elements = min(read_elements, max_element_cnt - count);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2016) 		read_len = read_elements * (*data_size);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2017) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2018) 		put_unaligned_le16(offset, &cmd_head->parameter_data[0]);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2019) 		put_unaligned_le16(read_len, &cmd_head->parameter_data[2]);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2020) 		cmd_head->parameter_data[4] = idac_data_type;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2021) 		resp_len = GEN5_RESP_DATA_STRUCTURE_OFFSET + read_len;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2022) 		error = cyapa_i2c_pip_cmd_irq_sync(cyapa,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2023) 				cmd, sizeof(cmd),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2024) 				resp_data, &resp_len,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2025) 				500, cyapa_sort_tsg_pip_app_resp_data,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2026) 				true);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2027) 		if (error || resp_len < GEN5_RESP_DATA_STRUCTURE_OFFSET ||
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2028) 				!VALID_CMD_RESP_HEADER(resp_data, cmd_code) ||
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2029) 				!PIP_CMD_COMPLETE_SUCCESS(resp_data) ||
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2030) 				resp_data[6] != idac_data_type)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2031) 			return (error < 0) ? error : -EAGAIN;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2032) 		read_len = get_unaligned_le16(&resp_data[7]);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2033) 		if (read_len == 0)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2034) 			break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2035) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2036) 		*data_size = (resp_data[9] & GEN5_PWC_DATA_ELEMENT_SIZE_MASK);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2037) 		if (read_len < *data_size)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2038) 			return -EINVAL;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2039) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2040) 		if (read_global_idac &&
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2041) 			idac_data_type == GEN5_RETRIEVE_SELF_CAP_PWC_DATA) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2042) 			/* Rx's self global idac data. */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2043) 			*idac_max = cyapa_parse_structure_data(
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2044) 				resp_data[9],
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2045) 				&resp_data[GEN5_RESP_DATA_STRUCTURE_OFFSET],
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2046) 				*data_size);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2047) 			/* Tx's self global idac data. */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2048) 			*idac_min = cyapa_parse_structure_data(
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2049) 				resp_data[9],
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2050) 				&resp_data[GEN5_RESP_DATA_STRUCTURE_OFFSET +
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2051) 					   *data_size],
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2052) 				*data_size);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2053) 			break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2054) 		}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2055) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2056) 		/* Read mutual global idac or local mutual/self PWC data. */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2057) 		offset += read_len;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2058) 		for (i = 10; i < (read_len + GEN5_RESP_DATA_STRUCTURE_OFFSET);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2059) 				i += *data_size) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2060) 			value = cyapa_parse_structure_data(resp_data[9],
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2061) 					&resp_data[i], *data_size);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2062) 			*idac_min = min(value, *idac_min);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2063) 			*idac_max = max(value, *idac_max);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2064) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2065) 			if (idac_data_type == GEN5_RETRIEVE_MUTUAL_PWC_DATA &&
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2066) 				tmp_count < cyapa->aligned_electrodes_rx &&
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2067) 				read_global_idac) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2068) 				/*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2069) 				 * The value gap between global and local mutual
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2070) 				 * idac data must bigger than 50%.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2071) 				 * Normally, global value bigger than 50,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2072) 				 * local values less than 10.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2073) 				 */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2074) 				if (!tmp_ave || value > tmp_ave / 2) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2075) 					tmp_min = min(value, tmp_min);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2076) 					tmp_max = max(value, tmp_max);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2077) 					tmp_sum += value;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2078) 					tmp_count++;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2079) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2080) 					tmp_ave = tmp_sum / tmp_count;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2081) 				}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2082) 			}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2083) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2084) 			sum += value;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2085) 			count++;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2086) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2087) 			if (count >= max_element_cnt)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2088) 				goto out;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2089) 		}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2090) 	} while (true);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2091) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2092) out:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2093) 	*idac_ave = count ? (sum / count) : 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2094) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2095) 	if (read_global_idac &&
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2096) 		idac_data_type == GEN5_RETRIEVE_MUTUAL_PWC_DATA) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2097) 		if (tmp_count == 0)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2098) 			return 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2099) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2100) 		if (tmp_count == cyapa->aligned_electrodes_rx) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2101) 			cyapa->electrodes_rx = cyapa->electrodes_rx ?
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2102) 				cyapa->electrodes_rx : electrodes_rx;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2103) 		} else if (tmp_count == electrodes_rx) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2104) 			cyapa->electrodes_rx = cyapa->electrodes_rx ?
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2105) 				cyapa->electrodes_rx : electrodes_rx;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2106) 			cyapa->aligned_electrodes_rx = electrodes_rx;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2107) 		} else {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2108) 			cyapa->electrodes_rx = cyapa->electrodes_rx ?
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2109) 				cyapa->electrodes_rx : electrodes_tx;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2110) 			cyapa->aligned_electrodes_rx = tmp_count;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2111) 		}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2112) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2113) 		*idac_min = tmp_min;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2114) 		*idac_max = tmp_max;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2115) 		*idac_ave = tmp_ave;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2116) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2117) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2118) 	return 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2119) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2120) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2121) static int cyapa_gen5_read_mutual_idac_data(struct cyapa *cyapa,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2122) 	int *gidac_mutual_max, int *gidac_mutual_min, int *gidac_mutual_ave,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2123) 	int *lidac_mutual_max, int *lidac_mutual_min, int *lidac_mutual_ave)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2124) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2125) 	int data_size;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2126) 	int error;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2127) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2128) 	*gidac_mutual_max = *gidac_mutual_min = *gidac_mutual_ave = 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2129) 	*lidac_mutual_max = *lidac_mutual_min = *lidac_mutual_ave = 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2130) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2131) 	data_size = 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2132) 	error = cyapa_gen5_read_idac_data(cyapa,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2133) 		PIP_RETRIEVE_DATA_STRUCTURE,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2134) 		GEN5_RETRIEVE_MUTUAL_PWC_DATA,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2135) 		&data_size,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2136) 		gidac_mutual_max, gidac_mutual_min, gidac_mutual_ave);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2137) 	if (error)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2138) 		return error;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2139) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2140) 	error = cyapa_gen5_read_idac_data(cyapa,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2141) 		PIP_RETRIEVE_DATA_STRUCTURE,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2142) 		GEN5_RETRIEVE_MUTUAL_PWC_DATA,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2143) 		&data_size,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2144) 		lidac_mutual_max, lidac_mutual_min, lidac_mutual_ave);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2145) 	return error;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2146) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2147) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2148) static int cyapa_gen5_read_self_idac_data(struct cyapa *cyapa,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2149) 		int *gidac_self_rx, int *gidac_self_tx,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2150) 		int *lidac_self_max, int *lidac_self_min, int *lidac_self_ave)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2151) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2152) 	int data_size;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2153) 	int error;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2154) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2155) 	*gidac_self_rx = *gidac_self_tx = 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2156) 	*lidac_self_max = *lidac_self_min = *lidac_self_ave = 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2157) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2158) 	data_size = 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2159) 	error = cyapa_gen5_read_idac_data(cyapa,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2160) 		PIP_RETRIEVE_DATA_STRUCTURE,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2161) 		GEN5_RETRIEVE_SELF_CAP_PWC_DATA,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2162) 		&data_size,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2163) 		lidac_self_max, lidac_self_min, lidac_self_ave);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2164) 	if (error)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2165) 		return error;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2166) 	*gidac_self_rx = *lidac_self_max;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2167) 	*gidac_self_tx = *lidac_self_min;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2168) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2169) 	error = cyapa_gen5_read_idac_data(cyapa,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2170) 		PIP_RETRIEVE_DATA_STRUCTURE,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2171) 		GEN5_RETRIEVE_SELF_CAP_PWC_DATA,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2172) 		&data_size,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2173) 		lidac_self_max, lidac_self_min, lidac_self_ave);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2174) 	return error;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2175) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2176) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2177) static ssize_t cyapa_gen5_execute_panel_scan(struct cyapa *cyapa)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2178) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2179) 	struct pip_app_cmd_head *app_cmd_head;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2180) 	u8 cmd[7];
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2181) 	u8 resp_data[6];
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2182) 	int resp_len;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2183) 	int error;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2184) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2185) 	memset(cmd, 0, sizeof(cmd));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2186) 	app_cmd_head = (struct pip_app_cmd_head *)cmd;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2187) 	put_unaligned_le16(PIP_OUTPUT_REPORT_ADDR, &app_cmd_head->addr);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2188) 	put_unaligned_le16(sizeof(cmd) - 2, &app_cmd_head->length);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2189) 	app_cmd_head->report_id = PIP_APP_CMD_REPORT_ID;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2190) 	app_cmd_head->cmd_code = GEN5_CMD_EXECUTE_PANEL_SCAN;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2191) 	resp_len = sizeof(resp_data);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2192) 	error = cyapa_i2c_pip_cmd_irq_sync(cyapa,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2193) 			cmd, sizeof(cmd),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2194) 			resp_data, &resp_len,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2195) 			500, cyapa_sort_tsg_pip_app_resp_data, true);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2196) 	if (error || resp_len != sizeof(resp_data) ||
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2197) 			!VALID_CMD_RESP_HEADER(resp_data,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2198) 				GEN5_CMD_EXECUTE_PANEL_SCAN) ||
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2199) 			!PIP_CMD_COMPLETE_SUCCESS(resp_data))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2200) 		return error ? error : -EAGAIN;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2201) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2202) 	return 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2203) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2204) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2205) static int cyapa_gen5_read_panel_scan_raw_data(struct cyapa *cyapa,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2206) 		u8 cmd_code, u8 raw_data_type, int raw_data_max_num,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2207) 		int *raw_data_max, int *raw_data_min, int *raw_data_ave,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2208) 		u8 *buffer)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2209) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2210) 	struct pip_app_cmd_head *app_cmd_head;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2211) 	struct gen5_retrieve_panel_scan_data *panel_sacn_data;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2212) 	u8 cmd[12];
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2213) 	u8 resp_data[256];  /* Max bytes can transfer one time. */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2214) 	int resp_len;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2215) 	int read_elements;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2216) 	int read_len;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2217) 	u16 offset;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2218) 	s32 value;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2219) 	int sum, count;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2220) 	int data_size;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2221) 	s32 *intp;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2222) 	int i;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2223) 	int error;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2224) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2225) 	if (cmd_code != GEN5_CMD_RETRIEVE_PANEL_SCAN ||
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2226) 		(raw_data_type > GEN5_PANEL_SCAN_SELF_DIFFCOUNT) ||
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2227) 		!raw_data_max || !raw_data_min || !raw_data_ave)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2228) 		return -EINVAL;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2229) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2230) 	intp = (s32 *)buffer;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2231) 	*raw_data_max = INT_MIN;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2232) 	*raw_data_min = INT_MAX;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2233) 	sum = count = 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2234) 	offset = 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2235) 	/* Assume max element size is 4 currently. */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2236) 	read_elements = (256 - GEN5_RESP_DATA_STRUCTURE_OFFSET) / 4;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2237) 	read_len = read_elements * 4;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2238) 	app_cmd_head = (struct pip_app_cmd_head *)cmd;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2239) 	put_unaligned_le16(PIP_OUTPUT_REPORT_ADDR, &app_cmd_head->addr);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2240) 	put_unaligned_le16(sizeof(cmd) - 2, &app_cmd_head->length);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2241) 	app_cmd_head->report_id = PIP_APP_CMD_REPORT_ID;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2242) 	app_cmd_head->cmd_code = cmd_code;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2243) 	panel_sacn_data = (struct gen5_retrieve_panel_scan_data *)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2244) 			app_cmd_head->parameter_data;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2245) 	do {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2246) 		put_unaligned_le16(offset, &panel_sacn_data->read_offset);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2247) 		put_unaligned_le16(read_elements,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2248) 			&panel_sacn_data->read_elements);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2249) 		panel_sacn_data->data_id = raw_data_type;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2250) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2251) 		resp_len = GEN5_RESP_DATA_STRUCTURE_OFFSET + read_len;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2252) 		error = cyapa_i2c_pip_cmd_irq_sync(cyapa,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2253) 			cmd, sizeof(cmd),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2254) 			resp_data, &resp_len,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2255) 			500, cyapa_sort_tsg_pip_app_resp_data, true);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2256) 		if (error || resp_len < GEN5_RESP_DATA_STRUCTURE_OFFSET ||
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2257) 				!VALID_CMD_RESP_HEADER(resp_data, cmd_code) ||
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2258) 				!PIP_CMD_COMPLETE_SUCCESS(resp_data) ||
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2259) 				resp_data[6] != raw_data_type)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2260) 			return error ? error : -EAGAIN;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2261) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2262) 		read_elements = get_unaligned_le16(&resp_data[7]);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2263) 		if (read_elements == 0)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2264) 			break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2265) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2266) 		data_size = (resp_data[9] & GEN5_PWC_DATA_ELEMENT_SIZE_MASK);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2267) 		offset += read_elements;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2268) 		if (read_elements) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2269) 			for (i = GEN5_RESP_DATA_STRUCTURE_OFFSET;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2270) 			     i < (read_elements * data_size +
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2271) 					GEN5_RESP_DATA_STRUCTURE_OFFSET);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2272) 			     i += data_size) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2273) 				value = cyapa_parse_structure_data(resp_data[9],
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2274) 						&resp_data[i], data_size);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2275) 				*raw_data_min = min(value, *raw_data_min);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2276) 				*raw_data_max = max(value, *raw_data_max);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2277) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2278) 				if (intp)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2279) 					put_unaligned_le32(value, &intp[count]);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2280) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2281) 				sum += value;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2282) 				count++;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2283) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2284) 			}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2285) 		}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2286) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2287) 		if (count >= raw_data_max_num)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2288) 			break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2289) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2290) 		read_elements = (sizeof(resp_data) -
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2291) 				GEN5_RESP_DATA_STRUCTURE_OFFSET) / data_size;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2292) 		read_len = read_elements * data_size;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2293) 	} while (true);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2294) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2295) 	*raw_data_ave = count ? (sum / count) : 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2296) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2297) 	return 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2298) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2299) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2300) static ssize_t cyapa_gen5_show_baseline(struct device *dev,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2301) 				   struct device_attribute *attr, char *buf)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2302) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2303) 	struct cyapa *cyapa = dev_get_drvdata(dev);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2304) 	int gidac_mutual_max, gidac_mutual_min, gidac_mutual_ave;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2305) 	int lidac_mutual_max, lidac_mutual_min, lidac_mutual_ave;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2306) 	int gidac_self_rx, gidac_self_tx;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2307) 	int lidac_self_max, lidac_self_min, lidac_self_ave;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2308) 	int raw_cap_mutual_max, raw_cap_mutual_min, raw_cap_mutual_ave;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2309) 	int raw_cap_self_max, raw_cap_self_min, raw_cap_self_ave;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2310) 	int mutual_diffdata_max, mutual_diffdata_min, mutual_diffdata_ave;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2311) 	int self_diffdata_max, self_diffdata_min, self_diffdata_ave;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2312) 	int mutual_baseline_max, mutual_baseline_min, mutual_baseline_ave;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2313) 	int self_baseline_max, self_baseline_min, self_baseline_ave;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2314) 	int error, resume_error;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2315) 	int size;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2316) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2317) 	if (!cyapa_is_pip_app_mode(cyapa))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2318) 		return -EBUSY;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2319) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2320) 	/* 1. Suspend Scanning*/
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2321) 	error = cyapa_pip_suspend_scanning(cyapa);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2322) 	if (error)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2323) 		return error;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2324) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2325) 	/* 2.  Read global and local mutual IDAC data. */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2326) 	gidac_self_rx = gidac_self_tx = 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2327) 	error = cyapa_gen5_read_mutual_idac_data(cyapa,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2328) 				&gidac_mutual_max, &gidac_mutual_min,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2329) 				&gidac_mutual_ave, &lidac_mutual_max,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2330) 				&lidac_mutual_min, &lidac_mutual_ave);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2331) 	if (error)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2332) 		goto resume_scanning;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2333) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2334) 	/* 3.  Read global and local self IDAC data. */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2335) 	error = cyapa_gen5_read_self_idac_data(cyapa,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2336) 				&gidac_self_rx, &gidac_self_tx,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2337) 				&lidac_self_max, &lidac_self_min,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2338) 				&lidac_self_ave);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2339) 	if (error)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2340) 		goto resume_scanning;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2341) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2342) 	/* 4. Execute panel scan. It must be executed before read data. */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2343) 	error = cyapa_gen5_execute_panel_scan(cyapa);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2344) 	if (error)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2345) 		goto resume_scanning;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2346) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2347) 	/* 5. Retrieve panel scan, mutual cap raw data. */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2348) 	error = cyapa_gen5_read_panel_scan_raw_data(cyapa,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2349) 				GEN5_CMD_RETRIEVE_PANEL_SCAN,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2350) 				GEN5_PANEL_SCAN_MUTUAL_RAW_DATA,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2351) 				cyapa->electrodes_x * cyapa->electrodes_y,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2352) 				&raw_cap_mutual_max, &raw_cap_mutual_min,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2353) 				&raw_cap_mutual_ave,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2354) 				NULL);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2355) 	if (error)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2356) 		goto resume_scanning;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2357) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2358) 	/* 6. Retrieve panel scan, self cap raw data. */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2359) 	error = cyapa_gen5_read_panel_scan_raw_data(cyapa,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2360) 				GEN5_CMD_RETRIEVE_PANEL_SCAN,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2361) 				GEN5_PANEL_SCAN_SELF_RAW_DATA,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2362) 				cyapa->electrodes_x + cyapa->electrodes_y,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2363) 				&raw_cap_self_max, &raw_cap_self_min,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2364) 				&raw_cap_self_ave,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2365) 				NULL);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2366) 	if (error)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2367) 		goto resume_scanning;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2368) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2369) 	/* 7. Retrieve panel scan, mutual cap diffcount raw data. */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2370) 	error = cyapa_gen5_read_panel_scan_raw_data(cyapa,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2371) 				GEN5_CMD_RETRIEVE_PANEL_SCAN,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2372) 				GEN5_PANEL_SCAN_MUTUAL_DIFFCOUNT,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2373) 				cyapa->electrodes_x * cyapa->electrodes_y,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2374) 				&mutual_diffdata_max, &mutual_diffdata_min,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2375) 				&mutual_diffdata_ave,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2376) 				NULL);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2377) 	if (error)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2378) 		goto resume_scanning;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2379) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2380) 	/* 8. Retrieve panel scan, self cap diffcount raw data. */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2381) 	error = cyapa_gen5_read_panel_scan_raw_data(cyapa,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2382) 				GEN5_CMD_RETRIEVE_PANEL_SCAN,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2383) 				GEN5_PANEL_SCAN_SELF_DIFFCOUNT,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2384) 				cyapa->electrodes_x + cyapa->electrodes_y,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2385) 				&self_diffdata_max, &self_diffdata_min,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2386) 				&self_diffdata_ave,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2387) 				NULL);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2388) 	if (error)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2389) 		goto resume_scanning;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2390) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2391) 	/* 9. Retrieve panel scan, mutual cap baseline raw data. */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2392) 	error = cyapa_gen5_read_panel_scan_raw_data(cyapa,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2393) 				GEN5_CMD_RETRIEVE_PANEL_SCAN,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2394) 				GEN5_PANEL_SCAN_MUTUAL_BASELINE,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2395) 				cyapa->electrodes_x * cyapa->electrodes_y,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2396) 				&mutual_baseline_max, &mutual_baseline_min,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2397) 				&mutual_baseline_ave,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2398) 				NULL);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2399) 	if (error)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2400) 		goto resume_scanning;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2401) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2402) 	/* 10. Retrieve panel scan, self cap baseline raw data. */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2403) 	error = cyapa_gen5_read_panel_scan_raw_data(cyapa,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2404) 				GEN5_CMD_RETRIEVE_PANEL_SCAN,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2405) 				GEN5_PANEL_SCAN_SELF_BASELINE,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2406) 				cyapa->electrodes_x + cyapa->electrodes_y,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2407) 				&self_baseline_max, &self_baseline_min,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2408) 				&self_baseline_ave,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2409) 				NULL);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2410) 	if (error)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2411) 		goto resume_scanning;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2412) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2413) resume_scanning:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2414) 	/* 11. Resume Scanning*/
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2415) 	resume_error = cyapa_pip_resume_scanning(cyapa);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2416) 	if (resume_error || error)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2417) 		return resume_error ? resume_error : error;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2418) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2419) 	/* 12. Output data strings */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2420) 	size = scnprintf(buf, PAGE_SIZE, "%d %d %d %d %d %d %d %d %d %d %d ",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2421) 		gidac_mutual_min, gidac_mutual_max, gidac_mutual_ave,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2422) 		lidac_mutual_min, lidac_mutual_max, lidac_mutual_ave,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2423) 		gidac_self_rx, gidac_self_tx,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2424) 		lidac_self_min, lidac_self_max, lidac_self_ave);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2425) 	size += scnprintf(buf + size, PAGE_SIZE - size,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2426) 		"%d %d %d %d %d %d %d %d %d %d %d %d %d %d %d %d %d %d\n",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2427) 		raw_cap_mutual_min, raw_cap_mutual_max, raw_cap_mutual_ave,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2428) 		raw_cap_self_min, raw_cap_self_max, raw_cap_self_ave,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2429) 		mutual_diffdata_min, mutual_diffdata_max, mutual_diffdata_ave,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2430) 		self_diffdata_min, self_diffdata_max, self_diffdata_ave,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2431) 		mutual_baseline_min, mutual_baseline_max, mutual_baseline_ave,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2432) 		self_baseline_min, self_baseline_max, self_baseline_ave);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2433) 	return size;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2434) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2435) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2436) bool cyapa_pip_sort_system_info_data(struct cyapa *cyapa,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2437) 		u8 *buf, int len)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2438) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2439) 	/* Check the report id and command code */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2440) 	if (VALID_CMD_RESP_HEADER(buf, 0x02))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2441) 		return true;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2442) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2443) 	return false;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2444) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2445) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2446) static int cyapa_gen5_bl_query_data(struct cyapa *cyapa)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2447) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2448) 	u8 resp_data[PIP_BL_APP_INFO_RESP_LENGTH];
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2449) 	int resp_len;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2450) 	int error;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2451) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2452) 	resp_len = sizeof(resp_data);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2453) 	error = cyapa_i2c_pip_cmd_irq_sync(cyapa,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2454) 			pip_bl_read_app_info, PIP_BL_READ_APP_INFO_CMD_LENGTH,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2455) 			resp_data, &resp_len,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2456) 			500, cyapa_sort_tsg_pip_bl_resp_data, false);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2457) 	if (error || resp_len < PIP_BL_APP_INFO_RESP_LENGTH ||
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2458) 		!PIP_CMD_COMPLETE_SUCCESS(resp_data))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2459) 		return error ? error : -EIO;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2460) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2461) 	memcpy(&cyapa->product_id[0], &resp_data[8], 5);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2462) 	cyapa->product_id[5] = '-';
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2463) 	memcpy(&cyapa->product_id[6], &resp_data[13], 6);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2464) 	cyapa->product_id[12] = '-';
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2465) 	memcpy(&cyapa->product_id[13], &resp_data[19], 2);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2466) 	cyapa->product_id[15] = '\0';
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2467) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2468) 	cyapa->fw_maj_ver = resp_data[22];
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2469) 	cyapa->fw_min_ver = resp_data[23];
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2470) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2471) 	cyapa->platform_ver = (resp_data[26] >> PIP_BL_PLATFORM_VER_SHIFT) &
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2472) 			      PIP_BL_PLATFORM_VER_MASK;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2473) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2474) 	return 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2475) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2476) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2477) static int cyapa_gen5_get_query_data(struct cyapa *cyapa)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2478) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2479) 	u8 resp_data[PIP_READ_SYS_INFO_RESP_LENGTH];
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2480) 	int resp_len;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2481) 	u16 product_family;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2482) 	int error;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2483) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2484) 	resp_len = sizeof(resp_data);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2485) 	error = cyapa_i2c_pip_cmd_irq_sync(cyapa,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2486) 			pip_read_sys_info, PIP_READ_SYS_INFO_CMD_LENGTH,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2487) 			resp_data, &resp_len,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2488) 			2000, cyapa_pip_sort_system_info_data, false);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2489) 	if (error || resp_len < sizeof(resp_data))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2490) 		return error ? error : -EIO;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2491) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2492) 	product_family = get_unaligned_le16(&resp_data[7]);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2493) 	if ((product_family & PIP_PRODUCT_FAMILY_MASK) !=
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2494) 		PIP_PRODUCT_FAMILY_TRACKPAD)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2495) 		return -EINVAL;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2496) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2497) 	cyapa->platform_ver = (resp_data[49] >> PIP_BL_PLATFORM_VER_SHIFT) &
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2498) 			      PIP_BL_PLATFORM_VER_MASK;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2499) 	if (cyapa->gen == CYAPA_GEN5 && cyapa->platform_ver < 2) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2500) 		/* Gen5 firmware that does not support proximity. */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2501) 		cyapa->fw_maj_ver = resp_data[15];
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2502) 		cyapa->fw_min_ver = resp_data[16];
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2503) 	} else {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2504) 		cyapa->fw_maj_ver = resp_data[9];
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2505) 		cyapa->fw_min_ver = resp_data[10];
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2506) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2507) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2508) 	cyapa->electrodes_x = resp_data[52];
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2509) 	cyapa->electrodes_y = resp_data[53];
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2510) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2511) 	cyapa->physical_size_x =  get_unaligned_le16(&resp_data[54]) / 100;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2512) 	cyapa->physical_size_y = get_unaligned_le16(&resp_data[56]) / 100;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2513) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2514) 	cyapa->max_abs_x = get_unaligned_le16(&resp_data[58]);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2515) 	cyapa->max_abs_y = get_unaligned_le16(&resp_data[60]);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2516) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2517) 	cyapa->max_z = get_unaligned_le16(&resp_data[62]);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2518) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2519) 	cyapa->x_origin = resp_data[64] & 0x01;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2520) 	cyapa->y_origin = resp_data[65] & 0x01;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2521) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2522) 	cyapa->btn_capability = (resp_data[70] << 3) & CAPABILITY_BTN_MASK;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2523) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2524) 	memcpy(&cyapa->product_id[0], &resp_data[33], 5);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2525) 	cyapa->product_id[5] = '-';
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2526) 	memcpy(&cyapa->product_id[6], &resp_data[38], 6);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2527) 	cyapa->product_id[12] = '-';
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2528) 	memcpy(&cyapa->product_id[13], &resp_data[44], 2);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2529) 	cyapa->product_id[15] = '\0';
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2530) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2531) 	if (!cyapa->electrodes_x || !cyapa->electrodes_y ||
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2532) 		!cyapa->physical_size_x || !cyapa->physical_size_y ||
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2533) 		!cyapa->max_abs_x || !cyapa->max_abs_y || !cyapa->max_z)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2534) 		return -EINVAL;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2535) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2536) 	return 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2537) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2538) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2539) static int cyapa_gen5_do_operational_check(struct cyapa *cyapa)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2540) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2541) 	struct device *dev = &cyapa->client->dev;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2542) 	int error;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2543) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2544) 	if (cyapa->gen != CYAPA_GEN5)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2545) 		return -ENODEV;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2546) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2547) 	switch (cyapa->state) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2548) 	case CYAPA_STATE_GEN5_BL:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2549) 		error = cyapa_pip_bl_exit(cyapa);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2550) 		if (error) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2551) 			/* Try to update trackpad product information. */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2552) 			cyapa_gen5_bl_query_data(cyapa);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2553) 			goto out;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2554) 		}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2555) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2556) 		cyapa->state = CYAPA_STATE_GEN5_APP;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2557) 		fallthrough;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2558) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2559) 	case CYAPA_STATE_GEN5_APP:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2560) 		/*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2561) 		 * If trackpad device in deep sleep mode,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2562) 		 * the app command will fail.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2563) 		 * So always try to reset trackpad device to full active when
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2564) 		 * the device state is required.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2565) 		 */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2566) 		error = cyapa_gen5_set_power_mode(cyapa,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2567) 				PWR_MODE_FULL_ACTIVE, 0, CYAPA_PM_ACTIVE);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2568) 		if (error)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2569) 			dev_warn(dev, "%s: failed to set power active mode.\n",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2570) 				__func__);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2571) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2572) 		/* By default, the trackpad proximity function is enabled. */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2573) 		if (cyapa->platform_ver >= 2) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2574) 			error = cyapa_pip_set_proximity(cyapa, true);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2575) 			if (error)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2576) 				dev_warn(dev,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2577) 					"%s: failed to enable proximity.\n",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2578) 					__func__);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2579) 		}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2580) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2581) 		/* Get trackpad product information. */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2582) 		error = cyapa_gen5_get_query_data(cyapa);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2583) 		if (error)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2584) 			goto out;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2585) 		/* Only support product ID starting with CYTRA */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2586) 		if (memcmp(cyapa->product_id, product_id,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2587) 				strlen(product_id)) != 0) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2588) 			dev_err(dev, "%s: unknown product ID (%s)\n",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2589) 				__func__, cyapa->product_id);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2590) 			error = -EINVAL;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2591) 		}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2592) 		break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2593) 	default:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2594) 		error = -EINVAL;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2595) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2596) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2597) out:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2598) 	return error;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2599) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2600) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2601) /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2602)  * Return false, do not continue process
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2603)  * Return true, continue process.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2604)  */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2605) bool cyapa_pip_irq_cmd_handler(struct cyapa *cyapa)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2606) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2607) 	struct cyapa_pip_cmd_states *pip = &cyapa->cmd_states.pip;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2608) 	int length;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2609) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2610) 	if (atomic_read(&pip->cmd_issued)) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2611) 		/* Polling command response data. */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2612) 		if (pip->is_irq_mode == false)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2613) 			return false;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2614) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2615) 		/*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2616) 		 * Read out all none command response data.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2617) 		 * these output data may caused by user put finger on
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2618) 		 * trackpad when host waiting the command response.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2619) 		 */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2620) 		cyapa_i2c_pip_read(cyapa, pip->irq_cmd_buf,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2621) 			PIP_RESP_LENGTH_SIZE);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2622) 		length = get_unaligned_le16(pip->irq_cmd_buf);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2623) 		length = (length <= PIP_RESP_LENGTH_SIZE) ?
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2624) 				PIP_RESP_LENGTH_SIZE : length;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2625) 		if (length > PIP_RESP_LENGTH_SIZE)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2626) 			cyapa_i2c_pip_read(cyapa,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2627) 				pip->irq_cmd_buf, length);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2628) 		if (!(pip->resp_sort_func &&
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2629) 			pip->resp_sort_func(cyapa,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2630) 				pip->irq_cmd_buf, length))) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2631) 			/*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2632) 			 * Cover the Gen5 V1 firmware issue.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2633) 			 * The issue is no interrupt would be asserted from
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2634) 			 * trackpad device to host for the command response
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2635) 			 * ready event. Because when there was a finger touch
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2636) 			 * on trackpad device, and the firmware output queue
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2637) 			 * won't be empty (always with touch report data), so
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2638) 			 * the interrupt signal won't be asserted again until
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2639) 			 * the output queue was previous emptied.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2640) 			 * This issue would happen in the scenario that
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2641) 			 * user always has his/her fingers touched on the
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2642) 			 * trackpad device during system booting/rebooting.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2643) 			 */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2644) 			length = 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2645) 			if (pip->resp_len)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2646) 				length = *pip->resp_len;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2647) 			cyapa_empty_pip_output_data(cyapa,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2648) 					pip->resp_data,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2649) 					&length,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2650) 					pip->resp_sort_func);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2651) 			if (pip->resp_len && length != 0) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2652) 				*pip->resp_len = length;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2653) 				atomic_dec(&pip->cmd_issued);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2654) 				complete(&pip->cmd_ready);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2655) 			}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2656) 			return false;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2657) 		}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2658) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2659) 		if (pip->resp_data && pip->resp_len) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2660) 			*pip->resp_len = (*pip->resp_len < length) ?
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2661) 				*pip->resp_len : length;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2662) 			memcpy(pip->resp_data, pip->irq_cmd_buf,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2663) 				*pip->resp_len);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2664) 		}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2665) 		atomic_dec(&pip->cmd_issued);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2666) 		complete(&pip->cmd_ready);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2667) 		return false;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2668) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2669) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2670) 	return true;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2671) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2672) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2673) static void cyapa_pip_report_buttons(struct cyapa *cyapa,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2674) 		const struct cyapa_pip_report_data *report_data)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2675) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2676) 	struct input_dev *input = cyapa->input;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2677) 	u8 buttons = report_data->report_head[PIP_BUTTONS_OFFSET];
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2678) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2679) 	buttons = (buttons << CAPABILITY_BTN_SHIFT) & CAPABILITY_BTN_MASK;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2680) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2681) 	if (cyapa->btn_capability & CAPABILITY_LEFT_BTN_MASK) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2682) 		input_report_key(input, BTN_LEFT,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2683) 			!!(buttons & CAPABILITY_LEFT_BTN_MASK));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2684) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2685) 	if (cyapa->btn_capability & CAPABILITY_MIDDLE_BTN_MASK) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2686) 		input_report_key(input, BTN_MIDDLE,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2687) 			!!(buttons & CAPABILITY_MIDDLE_BTN_MASK));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2688) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2689) 	if (cyapa->btn_capability & CAPABILITY_RIGHT_BTN_MASK) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2690) 		input_report_key(input, BTN_RIGHT,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2691) 			!!(buttons & CAPABILITY_RIGHT_BTN_MASK));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2692) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2693) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2694) 	input_sync(input);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2695) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2696) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2697) static void cyapa_pip_report_proximity(struct cyapa *cyapa,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2698) 		const struct cyapa_pip_report_data *report_data)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2699) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2700) 	struct input_dev *input = cyapa->input;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2701) 	u8 distance = report_data->report_head[PIP_PROXIMITY_DISTANCE_OFFSET] &
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2702) 			PIP_PROXIMITY_DISTANCE_MASK;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2703) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2704) 	input_report_abs(input, ABS_DISTANCE, distance);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2705) 	input_sync(input);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2706) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2707) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2708) static void cyapa_pip_report_slot_data(struct cyapa *cyapa,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2709) 		const struct cyapa_pip_touch_record *touch)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2710) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2711) 	struct input_dev *input = cyapa->input;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2712) 	u8 event_id = PIP_GET_EVENT_ID(touch->touch_tip_event_id);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2713) 	int slot = PIP_GET_TOUCH_ID(touch->touch_tip_event_id);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2714) 	int x, y;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2715) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2716) 	if (event_id == RECORD_EVENT_LIFTOFF)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2717) 		return;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2718) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2719) 	input_mt_slot(input, slot);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2720) 	input_mt_report_slot_state(input, MT_TOOL_FINGER, true);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2721) 	x = (touch->x_hi << 8) | touch->x_lo;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2722) 	if (cyapa->x_origin)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2723) 		x = cyapa->max_abs_x - x;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2724) 	y = (touch->y_hi << 8) | touch->y_lo;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2725) 	if (cyapa->y_origin)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2726) 		y = cyapa->max_abs_y - y;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2727) 	input_report_abs(input, ABS_MT_POSITION_X, x);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2728) 	input_report_abs(input, ABS_MT_POSITION_Y, y);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2729) 	input_report_abs(input, ABS_DISTANCE, 0);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2730) 	input_report_abs(input, ABS_MT_PRESSURE,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2731) 		touch->z);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2732) 	input_report_abs(input, ABS_MT_TOUCH_MAJOR,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2733) 		touch->major_axis_len);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2734) 	input_report_abs(input, ABS_MT_TOUCH_MINOR,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2735) 		touch->minor_axis_len);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2736) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2737) 	input_report_abs(input, ABS_MT_WIDTH_MAJOR,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2738) 		touch->major_tool_len);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2739) 	input_report_abs(input, ABS_MT_WIDTH_MINOR,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2740) 		touch->minor_tool_len);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2741) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2742) 	input_report_abs(input, ABS_MT_ORIENTATION,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2743) 		touch->orientation);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2744) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2745) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2746) static void cyapa_pip_report_touches(struct cyapa *cyapa,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2747) 		const struct cyapa_pip_report_data *report_data)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2748) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2749) 	struct input_dev *input = cyapa->input;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2750) 	unsigned int touch_num;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2751) 	int i;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2752) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2753) 	touch_num = report_data->report_head[PIP_NUMBER_OF_TOUCH_OFFSET] &
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2754) 			PIP_NUMBER_OF_TOUCH_MASK;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2755) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2756) 	for (i = 0; i < touch_num; i++)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2757) 		cyapa_pip_report_slot_data(cyapa,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2758) 			&report_data->touch_records[i]);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2759) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2760) 	input_mt_sync_frame(input);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2761) 	input_sync(input);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2762) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2763) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2764) int cyapa_pip_irq_handler(struct cyapa *cyapa)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2765) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2766) 	struct device *dev = &cyapa->client->dev;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2767) 	struct cyapa_pip_report_data report_data;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2768) 	unsigned int report_len;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2769) 	int ret;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2770) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2771) 	if (!cyapa_is_pip_app_mode(cyapa)) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2772) 		dev_err(dev, "invalid device state, gen=%d, state=0x%02x\n",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2773) 			cyapa->gen, cyapa->state);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2774) 		return -EINVAL;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2775) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2776) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2777) 	ret = cyapa_i2c_pip_read(cyapa, (u8 *)&report_data,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2778) 			PIP_RESP_LENGTH_SIZE);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2779) 	if (ret != PIP_RESP_LENGTH_SIZE) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2780) 		dev_err(dev, "failed to read length bytes, (%d)\n", ret);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2781) 		return -EINVAL;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2782) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2783) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2784) 	report_len = get_unaligned_le16(
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2785) 			&report_data.report_head[PIP_RESP_LENGTH_OFFSET]);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2786) 	if (report_len < PIP_RESP_LENGTH_SIZE) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2787) 		/* Invalid length or internal reset happened. */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2788) 		dev_err(dev, "invalid report_len=%d. bytes: %02x %02x\n",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2789) 			report_len, report_data.report_head[0],
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2790) 			report_data.report_head[1]);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2791) 		return -EINVAL;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2792) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2793) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2794) 	/* Idle, no data for report. */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2795) 	if (report_len == PIP_RESP_LENGTH_SIZE)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2796) 		return 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2797) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2798) 	ret = cyapa_i2c_pip_read(cyapa, (u8 *)&report_data, report_len);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2799) 	if (ret != report_len) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2800) 		dev_err(dev, "failed to read %d bytes report data, (%d)\n",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2801) 			report_len, ret);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2802) 		return -EINVAL;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2803) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2804) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2805) 	return cyapa_pip_event_process(cyapa, &report_data);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2806) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2807) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2808) static int cyapa_pip_event_process(struct cyapa *cyapa,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2809) 				   struct cyapa_pip_report_data *report_data)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2810) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2811) 	struct device *dev = &cyapa->client->dev;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2812) 	unsigned int report_len;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2813) 	u8 report_id;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2814) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2815) 	report_len = get_unaligned_le16(
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2816) 			&report_data->report_head[PIP_RESP_LENGTH_OFFSET]);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2817) 	/* Idle, no data for report. */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2818) 	if (report_len == PIP_RESP_LENGTH_SIZE)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2819) 		return 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2820) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2821) 	report_id = report_data->report_head[PIP_RESP_REPORT_ID_OFFSET];
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2822) 	if (report_id == PIP_WAKEUP_EVENT_REPORT_ID &&
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2823) 			report_len == PIP_WAKEUP_EVENT_SIZE) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2824) 		/*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2825) 		 * Device wake event from deep sleep mode for touch.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2826) 		 * This interrupt event is used to wake system up.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2827) 		 *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2828) 		 * Note:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2829) 		 * It will introduce about 20~40 ms additional delay
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2830) 		 * time in receiving for first valid touch report data.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2831) 		 * The time is used to execute device runtime resume
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2832) 		 * process.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2833) 		 */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2834) 		pm_runtime_get_sync(dev);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2835) 		pm_runtime_mark_last_busy(dev);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2836) 		pm_runtime_put_sync_autosuspend(dev);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2837) 		return 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2838) 	} else if (report_id != PIP_TOUCH_REPORT_ID &&
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2839) 			report_id != PIP_BTN_REPORT_ID &&
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2840) 			report_id != GEN5_OLD_PUSH_BTN_REPORT_ID &&
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2841) 			report_id != PIP_PUSH_BTN_REPORT_ID &&
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2842) 			report_id != PIP_PROXIMITY_REPORT_ID) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2843) 		/* Running in BL mode or unknown response data read. */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2844) 		dev_err(dev, "invalid report_id=0x%02x\n", report_id);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2845) 		return -EINVAL;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2846) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2847) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2848) 	if (report_id == PIP_TOUCH_REPORT_ID &&
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2849) 		(report_len < PIP_TOUCH_REPORT_HEAD_SIZE ||
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2850) 			report_len > PIP_TOUCH_REPORT_MAX_SIZE)) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2851) 		/* Invalid report data length for finger packet. */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2852) 		dev_err(dev, "invalid touch packet length=%d\n", report_len);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2853) 		return 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2854) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2855) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2856) 	if ((report_id == PIP_BTN_REPORT_ID ||
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2857) 			report_id == GEN5_OLD_PUSH_BTN_REPORT_ID ||
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2858) 			report_id == PIP_PUSH_BTN_REPORT_ID) &&
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2859) 		(report_len < PIP_BTN_REPORT_HEAD_SIZE ||
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2860) 			report_len > PIP_BTN_REPORT_MAX_SIZE)) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2861) 		/* Invalid report data length of button packet. */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2862) 		dev_err(dev, "invalid button packet length=%d\n", report_len);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2863) 		return 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2864) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2865) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2866) 	if (report_id == PIP_PROXIMITY_REPORT_ID &&
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2867) 			report_len != PIP_PROXIMITY_REPORT_SIZE) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2868) 		/* Invalid report data length of proximity packet. */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2869) 		dev_err(dev, "invalid proximity data, length=%d\n", report_len);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2870) 		return 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2871) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2872) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2873) 	if (report_id == PIP_TOUCH_REPORT_ID)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2874) 		cyapa_pip_report_touches(cyapa, report_data);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2875) 	else if (report_id == PIP_PROXIMITY_REPORT_ID)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2876) 		cyapa_pip_report_proximity(cyapa, report_data);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2877) 	else
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2878) 		cyapa_pip_report_buttons(cyapa, report_data);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2879) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2880) 	return 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2881) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2882) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2883) int cyapa_pip_bl_activate(struct cyapa *cyapa) { return 0; }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2884) int cyapa_pip_bl_deactivate(struct cyapa *cyapa) { return 0; }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2885) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2886) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2887) const struct cyapa_dev_ops cyapa_gen5_ops = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2888) 	.check_fw = cyapa_pip_check_fw,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2889) 	.bl_enter = cyapa_pip_bl_enter,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2890) 	.bl_initiate = cyapa_pip_bl_initiate,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2891) 	.update_fw = cyapa_pip_do_fw_update,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2892) 	.bl_activate = cyapa_pip_bl_activate,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2893) 	.bl_deactivate = cyapa_pip_bl_deactivate,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2894) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2895) 	.show_baseline = cyapa_gen5_show_baseline,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2896) 	.calibrate_store = cyapa_pip_do_calibrate,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2897) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2898) 	.initialize = cyapa_pip_cmd_state_initialize,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2899) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2900) 	.state_parse = cyapa_gen5_state_parse,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2901) 	.operational_check = cyapa_gen5_do_operational_check,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2902) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2903) 	.irq_handler = cyapa_pip_irq_handler,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2904) 	.irq_cmd_handler = cyapa_pip_irq_cmd_handler,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2905) 	.sort_empty_output_data = cyapa_empty_pip_output_data,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2906) 	.set_power_mode = cyapa_gen5_set_power_mode,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2907) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2908) 	.set_proximity = cyapa_pip_set_proximity,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2909) };