^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) 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 "cyapa.h"
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 23)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 24)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 25) #define GEN6_ENABLE_CMD_IRQ 0x41
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 26) #define GEN6_DISABLE_CMD_IRQ 0x42
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 27) #define GEN6_ENABLE_DEV_IRQ 0x43
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 28) #define GEN6_DISABLE_DEV_IRQ 0x44
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 29)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 30) #define GEN6_POWER_MODE_ACTIVE 0x01
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 31) #define GEN6_POWER_MODE_LP_MODE1 0x02
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 32) #define GEN6_POWER_MODE_LP_MODE2 0x03
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 33) #define GEN6_POWER_MODE_BTN_ONLY 0x04
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 34)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 35) #define GEN6_SET_POWER_MODE_INTERVAL 0x47
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 36) #define GEN6_GET_POWER_MODE_INTERVAL 0x48
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 37)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 38) #define GEN6_MAX_RX_NUM 14
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 39) #define GEN6_RETRIEVE_DATA_ID_RX_ATTENURATOR_IDAC 0x00
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 40) #define GEN6_RETRIEVE_DATA_ID_ATTENURATOR_TRIM 0x12
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 41)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 42)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 43) struct pip_app_cmd_head {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 44) __le16 addr;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 45) __le16 length;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 46) u8 report_id;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 47) u8 resv; /* Reserved, must be 0 */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 48) u8 cmd_code; /* bit7: resv, set to 0; bit6~0: command code.*/
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 49) } __packed;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 50)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 51) struct pip_app_resp_head {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 52) __le16 length;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 53) u8 report_id;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 54) u8 resv; /* Reserved, must be 0 */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 55) u8 cmd_code; /* bit7: TGL; bit6~0: command code.*/
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 56) /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 57) * The value of data_status can be the first byte of data or
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 58) * the command status or the unsupported command code depending on the
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 59) * requested command code.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 60) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 61) u8 data_status;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 62) } __packed;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 63)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 64) struct pip_fixed_info {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 65) u8 silicon_id_high;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 66) u8 silicon_id_low;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 67) u8 family_id;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 68) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 69)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 70) static u8 pip_get_bl_info[] = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 71) 0x04, 0x00, 0x0B, 0x00, 0x40, 0x00, 0x01, 0x38,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 72) 0x00, 0x00, 0x70, 0x9E, 0x17
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 73) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 74)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 75) static bool cyapa_sort_pip_hid_descriptor_data(struct cyapa *cyapa,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 76) u8 *buf, int len)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 77) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 78) if (len != PIP_HID_DESCRIPTOR_SIZE)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 79) return false;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 80)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 81) if (buf[PIP_RESP_REPORT_ID_OFFSET] == PIP_HID_APP_REPORT_ID ||
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 82) buf[PIP_RESP_REPORT_ID_OFFSET] == PIP_HID_BL_REPORT_ID)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 83) return true;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 84)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 85) return false;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 86) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 87)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 88) static int cyapa_get_pip_fixed_info(struct cyapa *cyapa,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 89) struct pip_fixed_info *pip_info, bool is_bootloader)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 90) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 91) u8 resp_data[PIP_READ_SYS_INFO_RESP_LENGTH];
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 92) int resp_len;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 93) u16 product_family;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 94) int error;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 95)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 96) if (is_bootloader) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 97) /* Read Bootloader Information to determine Gen5 or Gen6. */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 98) resp_len = sizeof(resp_data);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 99) error = cyapa_i2c_pip_cmd_irq_sync(cyapa,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 100) pip_get_bl_info, sizeof(pip_get_bl_info),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 101) resp_data, &resp_len,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 102) 2000, cyapa_sort_tsg_pip_bl_resp_data,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 103) false);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 104) if (error || resp_len < PIP_BL_GET_INFO_RESP_LENGTH)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 105) return error ? error : -EIO;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 106)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 107) pip_info->family_id = resp_data[8];
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 108) pip_info->silicon_id_low = resp_data[10];
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 109) pip_info->silicon_id_high = resp_data[11];
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 110)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 111) return 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 112) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 113)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 114) /* Get App System Information to determine Gen5 or Gen6. */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 115) resp_len = sizeof(resp_data);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 116) error = cyapa_i2c_pip_cmd_irq_sync(cyapa,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 117) pip_read_sys_info, PIP_READ_SYS_INFO_CMD_LENGTH,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 118) resp_data, &resp_len,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 119) 2000, cyapa_pip_sort_system_info_data, false);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 120) if (error || resp_len < PIP_READ_SYS_INFO_RESP_LENGTH)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 121) return error ? error : -EIO;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 122)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 123) product_family = get_unaligned_le16(&resp_data[7]);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 124) if ((product_family & PIP_PRODUCT_FAMILY_MASK) !=
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 125) PIP_PRODUCT_FAMILY_TRACKPAD)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 126) return -EINVAL;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 127)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 128) pip_info->family_id = resp_data[19];
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 129) pip_info->silicon_id_low = resp_data[21];
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 130) pip_info->silicon_id_high = resp_data[22];
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 131)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 132) return 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 133)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 134) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 135)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 136) int cyapa_pip_state_parse(struct cyapa *cyapa, u8 *reg_data, int len)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 137) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 138) u8 cmd[] = { 0x01, 0x00};
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 139) struct pip_fixed_info pip_info;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 140) u8 resp_data[PIP_HID_DESCRIPTOR_SIZE];
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 141) int resp_len;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 142) bool is_bootloader;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 143) int error;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 144)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 145) cyapa->state = CYAPA_STATE_NO_DEVICE;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 146)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 147) /* Try to wake from it deep sleep state if it is. */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 148) cyapa_pip_deep_sleep(cyapa, PIP_DEEP_SLEEP_STATE_ON);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 149)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 150) /* Empty the buffer queue to get fresh data with later commands. */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 151) cyapa_empty_pip_output_data(cyapa, NULL, NULL, NULL);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 152)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 153) /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 154) * Read description info from trackpad device to determine running in
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 155) * APP mode or Bootloader mode.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 156) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 157) resp_len = PIP_HID_DESCRIPTOR_SIZE;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 158) error = cyapa_i2c_pip_cmd_irq_sync(cyapa,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 159) cmd, sizeof(cmd),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 160) resp_data, &resp_len,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 161) 300,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 162) cyapa_sort_pip_hid_descriptor_data,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 163) false);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 164) if (error)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 165) return error;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 166)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 167) if (resp_data[PIP_RESP_REPORT_ID_OFFSET] == PIP_HID_BL_REPORT_ID)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 168) is_bootloader = true;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 169) else if (resp_data[PIP_RESP_REPORT_ID_OFFSET] == PIP_HID_APP_REPORT_ID)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 170) is_bootloader = false;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 171) else
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 172) return -EAGAIN;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 173)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 174) /* Get PIP fixed information to determine Gen5 or Gen6. */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 175) memset(&pip_info, 0, sizeof(struct pip_fixed_info));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 176) error = cyapa_get_pip_fixed_info(cyapa, &pip_info, is_bootloader);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 177) if (error)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 178) return error;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 179)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 180) if (pip_info.family_id == 0x9B && pip_info.silicon_id_high == 0x0B) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 181) cyapa->gen = CYAPA_GEN6;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 182) cyapa->state = is_bootloader ? CYAPA_STATE_GEN6_BL
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 183) : CYAPA_STATE_GEN6_APP;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 184) } else if (pip_info.family_id == 0x91 &&
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 185) pip_info.silicon_id_high == 0x02) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 186) cyapa->gen = CYAPA_GEN5;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 187) cyapa->state = is_bootloader ? CYAPA_STATE_GEN5_BL
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 188) : CYAPA_STATE_GEN5_APP;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 189) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 190)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 191) return 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 192) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 193)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 194) static int cyapa_gen6_read_sys_info(struct cyapa *cyapa)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 195) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 196) u8 resp_data[PIP_READ_SYS_INFO_RESP_LENGTH];
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 197) int resp_len;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 198) u16 product_family;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 199) u8 rotat_align;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 200) int error;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 201)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 202) /* Get App System Information to determine Gen5 or Gen6. */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 203) resp_len = sizeof(resp_data);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 204) error = cyapa_i2c_pip_cmd_irq_sync(cyapa,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 205) pip_read_sys_info, PIP_READ_SYS_INFO_CMD_LENGTH,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 206) resp_data, &resp_len,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 207) 2000, cyapa_pip_sort_system_info_data, false);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 208) if (error || resp_len < sizeof(resp_data))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 209) return error ? error : -EIO;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 210)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 211) product_family = get_unaligned_le16(&resp_data[7]);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 212) if ((product_family & PIP_PRODUCT_FAMILY_MASK) !=
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 213) PIP_PRODUCT_FAMILY_TRACKPAD)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 214) return -EINVAL;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 215)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 216) cyapa->platform_ver = (resp_data[67] >> PIP_BL_PLATFORM_VER_SHIFT) &
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 217) PIP_BL_PLATFORM_VER_MASK;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 218) cyapa->fw_maj_ver = resp_data[9];
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 219) cyapa->fw_min_ver = resp_data[10];
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 220)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 221) cyapa->electrodes_x = resp_data[33];
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 222) cyapa->electrodes_y = resp_data[34];
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 223)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 224) cyapa->physical_size_x = get_unaligned_le16(&resp_data[35]) / 100;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 225) cyapa->physical_size_y = get_unaligned_le16(&resp_data[37]) / 100;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 226)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 227) cyapa->max_abs_x = get_unaligned_le16(&resp_data[39]);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 228) cyapa->max_abs_y = get_unaligned_le16(&resp_data[41]);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 229)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 230) cyapa->max_z = get_unaligned_le16(&resp_data[43]);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 231)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 232) cyapa->x_origin = resp_data[45] & 0x01;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 233) cyapa->y_origin = resp_data[46] & 0x01;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 234)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 235) cyapa->btn_capability = (resp_data[70] << 3) & CAPABILITY_BTN_MASK;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 236)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 237) memcpy(&cyapa->product_id[0], &resp_data[51], 5);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 238) cyapa->product_id[5] = '-';
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 239) memcpy(&cyapa->product_id[6], &resp_data[56], 6);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 240) cyapa->product_id[12] = '-';
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 241) memcpy(&cyapa->product_id[13], &resp_data[62], 2);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 242) cyapa->product_id[15] = '\0';
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 243)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 244) /* Get the number of Rx electrodes. */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 245) rotat_align = resp_data[68];
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 246) cyapa->electrodes_rx =
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 247) rotat_align ? cyapa->electrodes_y : cyapa->electrodes_x;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 248) cyapa->aligned_electrodes_rx = (cyapa->electrodes_rx + 3) & ~3u;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 249)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 250) if (!cyapa->electrodes_x || !cyapa->electrodes_y ||
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 251) !cyapa->physical_size_x || !cyapa->physical_size_y ||
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 252) !cyapa->max_abs_x || !cyapa->max_abs_y || !cyapa->max_z)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 253) return -EINVAL;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 254)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 255) return 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 256) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 257)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 258) static int cyapa_gen6_bl_read_app_info(struct cyapa *cyapa)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 259) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 260) u8 resp_data[PIP_BL_APP_INFO_RESP_LENGTH];
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 261) int resp_len;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 262) int error;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 263)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 264) resp_len = sizeof(resp_data);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 265) error = cyapa_i2c_pip_cmd_irq_sync(cyapa,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 266) pip_bl_read_app_info, PIP_BL_READ_APP_INFO_CMD_LENGTH,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 267) resp_data, &resp_len,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 268) 500, cyapa_sort_tsg_pip_bl_resp_data, false);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 269) if (error || resp_len < PIP_BL_APP_INFO_RESP_LENGTH ||
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 270) !PIP_CMD_COMPLETE_SUCCESS(resp_data))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 271) return error ? error : -EIO;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 272)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 273) cyapa->fw_maj_ver = resp_data[8];
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 274) cyapa->fw_min_ver = resp_data[9];
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 275)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 276) cyapa->platform_ver = (resp_data[12] >> PIP_BL_PLATFORM_VER_SHIFT) &
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 277) PIP_BL_PLATFORM_VER_MASK;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 278)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 279) memcpy(&cyapa->product_id[0], &resp_data[13], 5);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 280) cyapa->product_id[5] = '-';
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 281) memcpy(&cyapa->product_id[6], &resp_data[18], 6);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 282) cyapa->product_id[12] = '-';
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 283) memcpy(&cyapa->product_id[13], &resp_data[24], 2);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 284) cyapa->product_id[15] = '\0';
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 285)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 286) return 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 287)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 288) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 289)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 290) static int cyapa_gen6_config_dev_irq(struct cyapa *cyapa, u8 cmd_code)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 291) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 292) u8 cmd[] = { 0x04, 0x00, 0x05, 0x00, 0x2f, 0x00, cmd_code };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 293) u8 resp_data[6];
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 294) int resp_len;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 295) int error;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 296)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 297) resp_len = sizeof(resp_data);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 298) error = cyapa_i2c_pip_cmd_irq_sync(cyapa, cmd, sizeof(cmd),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 299) resp_data, &resp_len,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 300) 500, cyapa_sort_tsg_pip_app_resp_data, false);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 301) if (error || !VALID_CMD_RESP_HEADER(resp_data, cmd_code) ||
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 302) !PIP_CMD_COMPLETE_SUCCESS(resp_data)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 303) )
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 304) return error < 0 ? error : -EINVAL;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 305)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 306) return 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 307) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 308)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 309) static int cyapa_gen6_set_proximity(struct cyapa *cyapa, bool enable)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 310) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 311) int error;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 312)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 313) cyapa_gen6_config_dev_irq(cyapa, GEN6_DISABLE_CMD_IRQ);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 314) error = cyapa_pip_set_proximity(cyapa, enable);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 315) cyapa_gen6_config_dev_irq(cyapa, GEN6_ENABLE_CMD_IRQ);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 316)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 317) return error;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 318) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 319)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 320) static int cyapa_gen6_change_power_state(struct cyapa *cyapa, u8 power_mode)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 321) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 322) u8 cmd[] = { 0x04, 0x00, 0x06, 0x00, 0x2f, 0x00, 0x46, power_mode };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 323) u8 resp_data[6];
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 324) int resp_len;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 325) int error;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 326)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 327) resp_len = sizeof(resp_data);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 328) error = cyapa_i2c_pip_cmd_irq_sync(cyapa, cmd, sizeof(cmd),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 329) resp_data, &resp_len,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 330) 500, cyapa_sort_tsg_pip_app_resp_data, false);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 331) if (error || !VALID_CMD_RESP_HEADER(resp_data, 0x46))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 332) return error < 0 ? error : -EINVAL;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 333)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 334) /* New power state applied in device not match the set power state. */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 335) if (resp_data[5] != power_mode)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 336) return -EAGAIN;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 337)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 338) return 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 339) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 340)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 341) static int cyapa_gen6_set_interval_setting(struct cyapa *cyapa,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 342) struct gen6_interval_setting *interval_setting)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 343) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 344) struct gen6_set_interval_cmd {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 345) __le16 addr;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 346) __le16 length;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 347) u8 report_id;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 348) u8 rsvd; /* Reserved, must be 0 */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 349) u8 cmd_code;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 350) __le16 active_interval;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 351) __le16 lp1_interval;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 352) __le16 lp2_interval;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 353) } __packed set_interval_cmd;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 354) u8 resp_data[11];
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 355) int resp_len;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 356) int error;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 357)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 358) memset(&set_interval_cmd, 0, sizeof(set_interval_cmd));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 359) put_unaligned_le16(PIP_OUTPUT_REPORT_ADDR, &set_interval_cmd.addr);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 360) put_unaligned_le16(sizeof(set_interval_cmd) - 2,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 361) &set_interval_cmd.length);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 362) set_interval_cmd.report_id = PIP_APP_CMD_REPORT_ID;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 363) set_interval_cmd.cmd_code = GEN6_SET_POWER_MODE_INTERVAL;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 364) put_unaligned_le16(interval_setting->active_interval,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 365) &set_interval_cmd.active_interval);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 366) put_unaligned_le16(interval_setting->lp1_interval,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 367) &set_interval_cmd.lp1_interval);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 368) put_unaligned_le16(interval_setting->lp2_interval,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 369) &set_interval_cmd.lp2_interval);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 370)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 371) resp_len = sizeof(resp_data);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 372) error = cyapa_i2c_pip_cmd_irq_sync(cyapa,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 373) (u8 *)&set_interval_cmd, sizeof(set_interval_cmd),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 374) resp_data, &resp_len,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 375) 500, cyapa_sort_tsg_pip_app_resp_data, false);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 376) if (error ||
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 377) !VALID_CMD_RESP_HEADER(resp_data, GEN6_SET_POWER_MODE_INTERVAL))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 378) return error < 0 ? error : -EINVAL;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 379)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 380) /* Get the real set intervals from response. */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 381) interval_setting->active_interval = get_unaligned_le16(&resp_data[5]);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 382) interval_setting->lp1_interval = get_unaligned_le16(&resp_data[7]);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 383) interval_setting->lp2_interval = get_unaligned_le16(&resp_data[9]);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 384)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 385) return 0;
^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) static int cyapa_gen6_get_interval_setting(struct cyapa *cyapa,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 389) struct gen6_interval_setting *interval_setting)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 390) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 391) u8 cmd[] = { 0x04, 0x00, 0x05, 0x00, 0x2f, 0x00,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 392) GEN6_GET_POWER_MODE_INTERVAL };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 393) u8 resp_data[11];
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 394) int resp_len;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 395) int error;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 396)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 397) resp_len = sizeof(resp_data);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 398) error = cyapa_i2c_pip_cmd_irq_sync(cyapa, cmd, sizeof(cmd),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 399) resp_data, &resp_len,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 400) 500, cyapa_sort_tsg_pip_app_resp_data, false);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 401) if (error ||
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 402) !VALID_CMD_RESP_HEADER(resp_data, GEN6_GET_POWER_MODE_INTERVAL))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 403) return error < 0 ? error : -EINVAL;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 404)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 405) interval_setting->active_interval = get_unaligned_le16(&resp_data[5]);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 406) interval_setting->lp1_interval = get_unaligned_le16(&resp_data[7]);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 407) interval_setting->lp2_interval = get_unaligned_le16(&resp_data[9]);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 408)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 409) return 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 410) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 411)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 412) static int cyapa_gen6_deep_sleep(struct cyapa *cyapa, u8 state)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 413) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 414) u8 ping[] = { 0x04, 0x00, 0x05, 0x00, 0x2f, 0x00, 0x00 };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 415)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 416) if (state == PIP_DEEP_SLEEP_STATE_ON)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 417) /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 418) * Send ping command to notify device prepare for wake up
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 419) * when it's in deep sleep mode. At this time, device will
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 420) * response nothing except an I2C NAK.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 421) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 422) cyapa_i2c_pip_write(cyapa, ping, sizeof(ping));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 423)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 424) return cyapa_pip_deep_sleep(cyapa, state);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 425) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 426)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 427) static int cyapa_gen6_set_power_mode(struct cyapa *cyapa,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 428) u8 power_mode, u16 sleep_time, enum cyapa_pm_stage pm_stage)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 429) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 430) struct device *dev = &cyapa->client->dev;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 431) struct gen6_interval_setting *interval_setting =
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 432) &cyapa->gen6_interval_setting;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 433) u8 lp_mode;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 434) int error;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 435)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 436) if (cyapa->state != CYAPA_STATE_GEN6_APP)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 437) return 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 438)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 439) if (PIP_DEV_GET_PWR_STATE(cyapa) == UNINIT_PWR_MODE) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 440) /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 441) * Assume TP in deep sleep mode when driver is loaded,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 442) * avoid driver unload and reload command IO issue caused by TP
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 443) * has been set into deep sleep mode when unloading.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 444) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 445) PIP_DEV_SET_PWR_STATE(cyapa, PWR_MODE_OFF);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 446) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 447)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 448) if (PIP_DEV_UNINIT_SLEEP_TIME(cyapa) &&
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 449) PIP_DEV_GET_PWR_STATE(cyapa) != PWR_MODE_OFF)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 450) PIP_DEV_SET_SLEEP_TIME(cyapa, UNINIT_SLEEP_TIME);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 451)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 452) if (PIP_DEV_GET_PWR_STATE(cyapa) == power_mode) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 453) if (power_mode == PWR_MODE_OFF ||
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 454) power_mode == PWR_MODE_FULL_ACTIVE ||
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 455) power_mode == PWR_MODE_BTN_ONLY ||
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 456) PIP_DEV_GET_SLEEP_TIME(cyapa) == sleep_time) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 457) /* Has in correct power mode state, early return. */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 458) return 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)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 462) if (power_mode == PWR_MODE_OFF) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 463) cyapa_gen6_config_dev_irq(cyapa, GEN6_DISABLE_CMD_IRQ);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 464)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 465) error = cyapa_gen6_deep_sleep(cyapa, PIP_DEEP_SLEEP_STATE_OFF);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 466) if (error) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 467) dev_err(dev, "enter deep sleep fail: %d\n", error);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 468) return error;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 469) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 470)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 471) PIP_DEV_SET_PWR_STATE(cyapa, PWR_MODE_OFF);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 472) return 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 473) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 474)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 475) /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 476) * When trackpad in power off mode, it cannot change to other power
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 477) * state directly, must be wake up from sleep firstly, then
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 478) * continue to do next power sate change.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 479) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 480) if (PIP_DEV_GET_PWR_STATE(cyapa) == PWR_MODE_OFF) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 481) error = cyapa_gen6_deep_sleep(cyapa, PIP_DEEP_SLEEP_STATE_ON);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 482) if (error) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 483) dev_err(dev, "deep sleep wake fail: %d\n", error);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 484) return error;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 485) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 486) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 487)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 488) /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 489) * Disable device assert interrupts for command response to avoid
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 490) * disturbing system suspending or hibernating process.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 491) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 492) cyapa_gen6_config_dev_irq(cyapa, GEN6_DISABLE_CMD_IRQ);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 493)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 494) if (power_mode == PWR_MODE_FULL_ACTIVE) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 495) error = cyapa_gen6_change_power_state(cyapa,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 496) GEN6_POWER_MODE_ACTIVE);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 497) if (error) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 498) dev_err(dev, "change to active fail: %d\n", error);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 499) goto out;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 500) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 501)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 502) PIP_DEV_SET_PWR_STATE(cyapa, PWR_MODE_FULL_ACTIVE);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 503)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 504) /* Sync the interval setting from device. */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 505) cyapa_gen6_get_interval_setting(cyapa, interval_setting);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 506)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 507) } else if (power_mode == PWR_MODE_BTN_ONLY) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 508) error = cyapa_gen6_change_power_state(cyapa,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 509) GEN6_POWER_MODE_BTN_ONLY);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 510) if (error) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 511) dev_err(dev, "fail to button only mode: %d\n", error);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 512) goto out;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 513) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 514)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 515) PIP_DEV_SET_PWR_STATE(cyapa, PWR_MODE_BTN_ONLY);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 516) } else {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 517) /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 518) * Gen6 internally supports to 2 low power scan interval time,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 519) * so can help to switch power mode quickly.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 520) * such as runtime suspend and system suspend.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 521) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 522) if (interval_setting->lp1_interval == sleep_time) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 523) lp_mode = GEN6_POWER_MODE_LP_MODE1;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 524) } else if (interval_setting->lp2_interval == sleep_time) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 525) lp_mode = GEN6_POWER_MODE_LP_MODE2;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 526) } else {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 527) if (interval_setting->lp1_interval == 0) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 528) interval_setting->lp1_interval = sleep_time;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 529) lp_mode = GEN6_POWER_MODE_LP_MODE1;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 530) } else {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 531) interval_setting->lp2_interval = sleep_time;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 532) lp_mode = GEN6_POWER_MODE_LP_MODE2;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 533) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 534) cyapa_gen6_set_interval_setting(cyapa,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 535) interval_setting);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 536) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 537)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 538) error = cyapa_gen6_change_power_state(cyapa, lp_mode);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 539) if (error) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 540) dev_err(dev, "set power state to 0x%02x failed: %d\n",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 541) lp_mode, error);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 542) goto out;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 543) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 544)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 545) PIP_DEV_SET_SLEEP_TIME(cyapa, sleep_time);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 546) PIP_DEV_SET_PWR_STATE(cyapa,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 547) cyapa_sleep_time_to_pwr_cmd(sleep_time));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 548) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 549)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 550) out:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 551) cyapa_gen6_config_dev_irq(cyapa, GEN6_ENABLE_CMD_IRQ);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 552) return error;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 553) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 554)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 555) static int cyapa_gen6_initialize(struct cyapa *cyapa)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 556) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 557) return 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 558) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 559)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 560) static int cyapa_pip_retrieve_data_structure(struct cyapa *cyapa,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 561) u16 read_offset, u16 read_len, u8 data_id,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 562) u8 *data, int *data_buf_lens)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 563) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 564) struct retrieve_data_struct_cmd {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 565) struct pip_app_cmd_head head;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 566) __le16 read_offset;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 567) __le16 read_length;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 568) u8 data_id;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 569) } __packed cmd;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 570) u8 resp_data[GEN6_MAX_RX_NUM + 10];
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 571) int resp_len;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 572) int error;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 573)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 574) memset(&cmd, 0, sizeof(cmd));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 575) put_unaligned_le16(PIP_OUTPUT_REPORT_ADDR, &cmd.head.addr);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 576) put_unaligned_le16(sizeof(cmd) - 2, &cmd.head.length);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 577) cmd.head.report_id = PIP_APP_CMD_REPORT_ID;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 578) cmd.head.cmd_code = PIP_RETRIEVE_DATA_STRUCTURE;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 579) put_unaligned_le16(read_offset, &cmd.read_offset);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 580) put_unaligned_le16(read_len, &cmd.read_length);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 581) cmd.data_id = data_id;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 582)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 583) resp_len = sizeof(resp_data);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 584) error = cyapa_i2c_pip_cmd_irq_sync(cyapa,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 585) (u8 *)&cmd, sizeof(cmd),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 586) resp_data, &resp_len,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 587) 500, cyapa_sort_tsg_pip_app_resp_data,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 588) true);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 589) if (error || !PIP_CMD_COMPLETE_SUCCESS(resp_data) ||
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 590) resp_data[6] != data_id ||
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 591) !VALID_CMD_RESP_HEADER(resp_data, PIP_RETRIEVE_DATA_STRUCTURE))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 592) return (error < 0) ? error : -EAGAIN;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 593)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 594) read_len = get_unaligned_le16(&resp_data[7]);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 595) if (*data_buf_lens < read_len) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 596) *data_buf_lens = read_len;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 597) return -ENOBUFS;
^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) memcpy(data, &resp_data[10], read_len);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 601) *data_buf_lens = read_len;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 602) return 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 603) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 604)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 605) static ssize_t cyapa_gen6_show_baseline(struct device *dev,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 606) struct device_attribute *attr, char *buf)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 607) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 608) struct cyapa *cyapa = dev_get_drvdata(dev);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 609) u8 data[GEN6_MAX_RX_NUM];
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 610) int data_len;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 611) int size = 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 612) int i;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 613) int error;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 614) int resume_error;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 615)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 616) if (!cyapa_is_pip_app_mode(cyapa))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 617) return -EBUSY;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 618)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 619) /* 1. Suspend Scanning*/
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 620) error = cyapa_pip_suspend_scanning(cyapa);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 621) if (error)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 622) return error;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 623)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 624) /* 2. IDAC and RX Attenuator Calibration Data (Center Frequency). */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 625) data_len = sizeof(data);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 626) error = cyapa_pip_retrieve_data_structure(cyapa, 0, data_len,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 627) GEN6_RETRIEVE_DATA_ID_RX_ATTENURATOR_IDAC,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 628) data, &data_len);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 629) if (error)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 630) goto resume_scanning;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 631)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 632) size = scnprintf(buf, PAGE_SIZE, "%d %d %d %d %d %d ",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 633) data[0], /* RX Attenuator Mutual */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 634) data[1], /* IDAC Mutual */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 635) data[2], /* RX Attenuator Self RX */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 636) data[3], /* IDAC Self RX */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 637) data[4], /* RX Attenuator Self TX */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 638) data[5] /* IDAC Self TX */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 639) );
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 640)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 641) /* 3. Read Attenuator Trim. */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 642) data_len = sizeof(data);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 643) error = cyapa_pip_retrieve_data_structure(cyapa, 0, data_len,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 644) GEN6_RETRIEVE_DATA_ID_ATTENURATOR_TRIM,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 645) data, &data_len);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 646) if (error)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 647) goto resume_scanning;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 648)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 649) /* set attenuator trim values. */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 650) for (i = 0; i < data_len; i++)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 651) size += scnprintf(buf + size, PAGE_SIZE - size, "%d ", data[i]);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 652) size += scnprintf(buf + size, PAGE_SIZE - size, "\n");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 653)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 654) resume_scanning:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 655) /* 4. Resume Scanning*/
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 656) resume_error = cyapa_pip_resume_scanning(cyapa);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 657) if (resume_error || error) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 658) memset(buf, 0, PAGE_SIZE);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 659) return resume_error ? resume_error : error;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 660) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 661)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 662) return size;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 663) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 664)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 665) static int cyapa_gen6_operational_check(struct cyapa *cyapa)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 666) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 667) struct device *dev = &cyapa->client->dev;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 668) int error;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 669)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 670) if (cyapa->gen != CYAPA_GEN6)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 671) return -ENODEV;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 672)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 673) switch (cyapa->state) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 674) case CYAPA_STATE_GEN6_BL:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 675) error = cyapa_pip_bl_exit(cyapa);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 676) if (error) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 677) /* Try to update trackpad product information. */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 678) cyapa_gen6_bl_read_app_info(cyapa);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 679) goto out;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 680) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 681)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 682) cyapa->state = CYAPA_STATE_GEN6_APP;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 683) fallthrough;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 684)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 685) case CYAPA_STATE_GEN6_APP:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 686) /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 687) * If trackpad device in deep sleep mode,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 688) * the app command will fail.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 689) * So always try to reset trackpad device to full active when
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 690) * the device state is required.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 691) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 692) error = cyapa_gen6_set_power_mode(cyapa,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 693) PWR_MODE_FULL_ACTIVE, 0, CYAPA_PM_ACTIVE);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 694) if (error)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 695) dev_warn(dev, "%s: failed to set power active mode.\n",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 696) __func__);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 697)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 698) /* By default, the trackpad proximity function is enabled. */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 699) error = cyapa_pip_set_proximity(cyapa, true);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 700) if (error)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 701) dev_warn(dev, "%s: failed to enable proximity.\n",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 702) __func__);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 703)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 704) /* Get trackpad product information. */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 705) error = cyapa_gen6_read_sys_info(cyapa);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 706) if (error)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 707) goto out;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 708) /* Only support product ID starting with CYTRA */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 709) if (memcmp(cyapa->product_id, product_id,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 710) strlen(product_id)) != 0) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 711) dev_err(dev, "%s: unknown product ID (%s)\n",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 712) __func__, cyapa->product_id);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 713) error = -EINVAL;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 714) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 715) break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 716) default:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 717) error = -EINVAL;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 718) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 719)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 720) out:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 721) return error;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 722) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 723)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 724) const struct cyapa_dev_ops cyapa_gen6_ops = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 725) .check_fw = cyapa_pip_check_fw,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 726) .bl_enter = cyapa_pip_bl_enter,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 727) .bl_initiate = cyapa_pip_bl_initiate,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 728) .update_fw = cyapa_pip_do_fw_update,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 729) .bl_activate = cyapa_pip_bl_activate,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 730) .bl_deactivate = cyapa_pip_bl_deactivate,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 731)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 732) .show_baseline = cyapa_gen6_show_baseline,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 733) .calibrate_store = cyapa_pip_do_calibrate,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 734)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 735) .initialize = cyapa_gen6_initialize,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 736)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 737) .state_parse = cyapa_pip_state_parse,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 738) .operational_check = cyapa_gen6_operational_check,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 739)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 740) .irq_handler = cyapa_pip_irq_handler,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 741) .irq_cmd_handler = cyapa_pip_irq_cmd_handler,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 742) .sort_empty_output_data = cyapa_empty_pip_output_data,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 743) .set_power_mode = cyapa_gen6_set_power_mode,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 744)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 745) .set_proximity = cyapa_gen6_set_proximity,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 746) };
Orange Pi5 kernel
Deprecated Linux kernel 5.10.110 for OrangePi 5/5B/5+ boards
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