Dudley Du | 6972a85 | 2015-01-17 18:49:37 -0800 | [diff] [blame] | 1 | /* |
| 2 | * Cypress APA trackpad with I2C interface |
| 3 | * |
| 4 | * Author: Dudley Du <dudl@cypress.com> |
| 5 | * |
Dudley Du | 9489761 | 2015-07-20 16:49:06 -0700 | [diff] [blame] | 6 | * Copyright (C) 2014-2015 Cypress Semiconductor, Inc. |
Dudley Du | 6972a85 | 2015-01-17 18:49:37 -0800 | [diff] [blame] | 7 | * |
| 8 | * This file is subject to the terms and conditions of the GNU General Public |
| 9 | * License. See the file COPYING in the main directory of this archive for |
| 10 | * more details. |
| 11 | */ |
| 12 | |
| 13 | #include <linux/delay.h> |
| 14 | #include <linux/i2c.h> |
| 15 | #include <linux/input.h> |
| 16 | #include <linux/input/mt.h> |
| 17 | #include <linux/mutex.h> |
| 18 | #include <linux/completion.h> |
| 19 | #include <linux/slab.h> |
Dudley Du | 17a2805 | 2015-03-02 09:37:59 -0800 | [diff] [blame] | 20 | #include <asm/unaligned.h> |
Dudley Du | 5812d30 | 2015-01-17 22:14:48 -0800 | [diff] [blame] | 21 | #include <linux/crc-itu-t.h> |
Dudley Du | 757cae5 | 2015-07-20 17:09:59 -0700 | [diff] [blame] | 22 | #include <linux/pm_runtime.h> |
Dudley Du | 6972a85 | 2015-01-17 18:49:37 -0800 | [diff] [blame] | 23 | #include "cyapa.h" |
| 24 | |
| 25 | |
Dudley Du | 9489761 | 2015-07-20 16:49:06 -0700 | [diff] [blame] | 26 | /* Macro of TSG firmware image */ |
Dudley Du | 6972a85 | 2015-01-17 18:49:37 -0800 | [diff] [blame] | 27 | #define CYAPA_TSG_FLASH_MAP_BLOCK_SIZE 0x80 |
| 28 | #define CYAPA_TSG_IMG_FW_HDR_SIZE 13 |
| 29 | #define CYAPA_TSG_FW_ROW_SIZE (CYAPA_TSG_FLASH_MAP_BLOCK_SIZE) |
| 30 | #define CYAPA_TSG_IMG_START_ROW_NUM 0x002e |
| 31 | #define CYAPA_TSG_IMG_END_ROW_NUM 0x01fe |
| 32 | #define CYAPA_TSG_IMG_APP_INTEGRITY_ROW_NUM 0x01ff |
| 33 | #define CYAPA_TSG_IMG_MAX_RECORDS (CYAPA_TSG_IMG_END_ROW_NUM - \ |
| 34 | CYAPA_TSG_IMG_START_ROW_NUM + 1 + 1) |
| 35 | #define CYAPA_TSG_IMG_READ_SIZE (CYAPA_TSG_FLASH_MAP_BLOCK_SIZE / 2) |
| 36 | #define CYAPA_TSG_START_OF_APPLICATION 0x1700 |
| 37 | #define CYAPA_TSG_APP_INTEGRITY_SIZE 60 |
| 38 | #define CYAPA_TSG_FLASH_MAP_METADATA_SIZE 60 |
| 39 | #define CYAPA_TSG_BL_KEY_SIZE 8 |
| 40 | |
| 41 | #define CYAPA_TSG_MAX_CMD_SIZE 256 |
| 42 | |
Dudley Du | 9489761 | 2015-07-20 16:49:06 -0700 | [diff] [blame] | 43 | /* Macro of PIP interface */ |
| 44 | #define PIP_BL_INITIATE_RESP_LEN 11 |
| 45 | #define PIP_BL_FAIL_EXIT_RESP_LEN 11 |
| 46 | #define PIP_BL_FAIL_EXIT_STATUS_CODE 0x0c |
| 47 | #define PIP_BL_VERIFY_INTEGRITY_RESP_LEN 12 |
| 48 | #define PIP_BL_INTEGRITY_CHEKC_PASS 0x00 |
| 49 | #define PIP_BL_BLOCK_WRITE_RESP_LEN 11 |
Dudley Du | 6972a85 | 2015-01-17 18:49:37 -0800 | [diff] [blame] | 50 | |
Dudley Du | 9489761 | 2015-07-20 16:49:06 -0700 | [diff] [blame] | 51 | #define PIP_TOUCH_REPORT_ID 0x01 |
| 52 | #define PIP_BTN_REPORT_ID 0x03 |
| 53 | #define PIP_WAKEUP_EVENT_REPORT_ID 0x04 |
| 54 | #define PIP_PUSH_BTN_REPORT_ID 0x06 |
| 55 | #define GEN5_OLD_PUSH_BTN_REPORT_ID 0x05 /* Special for old Gen5 TP. */ |
Dudley Du | 945525e | 2015-07-20 16:57:53 -0700 | [diff] [blame] | 56 | #define PIP_PROXIMITY_REPORT_ID 0x07 |
| 57 | |
| 58 | #define PIP_PROXIMITY_REPORT_SIZE 6 |
| 59 | #define PIP_PROXIMITY_DISTANCE_OFFSET 0x05 |
| 60 | #define PIP_PROXIMITY_DISTANCE_MASK 0x01 |
Dudley Du | 6972a85 | 2015-01-17 18:49:37 -0800 | [diff] [blame] | 61 | |
Dudley Du | 9489761 | 2015-07-20 16:49:06 -0700 | [diff] [blame] | 62 | #define PIP_TOUCH_REPORT_HEAD_SIZE 7 |
| 63 | #define PIP_TOUCH_REPORT_MAX_SIZE 127 |
| 64 | #define PIP_BTN_REPORT_HEAD_SIZE 6 |
| 65 | #define PIP_BTN_REPORT_MAX_SIZE 14 |
| 66 | #define PIP_WAKEUP_EVENT_SIZE 4 |
Dudley Du | 6972a85 | 2015-01-17 18:49:37 -0800 | [diff] [blame] | 67 | |
Dudley Du | 9489761 | 2015-07-20 16:49:06 -0700 | [diff] [blame] | 68 | #define PIP_NUMBER_OF_TOUCH_OFFSET 5 |
| 69 | #define PIP_NUMBER_OF_TOUCH_MASK 0x1f |
| 70 | #define PIP_BUTTONS_OFFSET 5 |
| 71 | #define PIP_BUTTONS_MASK 0x0f |
| 72 | #define PIP_GET_EVENT_ID(reg) (((reg) >> 5) & 0x03) |
| 73 | #define PIP_GET_TOUCH_ID(reg) ((reg) & 0x1f) |
| 74 | #define PIP_TOUCH_TYPE_FINGER 0x00 |
| 75 | #define PIP_TOUCH_TYPE_PROXIMITY 0x01 |
| 76 | #define PIP_TOUCH_TYPE_HOVER 0x02 |
| 77 | #define PIP_GET_TOUCH_TYPE(reg) ((reg) & 0x07) |
Dudley Du | 6972a85 | 2015-01-17 18:49:37 -0800 | [diff] [blame] | 78 | |
Dudley Du | 9489761 | 2015-07-20 16:49:06 -0700 | [diff] [blame] | 79 | #define RECORD_EVENT_NONE 0 |
| 80 | #define RECORD_EVENT_TOUCHDOWN 1 |
| 81 | #define RECORD_EVENT_DISPLACE 2 |
| 82 | #define RECORD_EVENT_LIFTOFF 3 |
| 83 | |
| 84 | #define PIP_SENSING_MODE_MUTUAL_CAP_FINE 0x00 |
| 85 | #define PIP_SENSING_MODE_SELF_CAP 0x02 |
| 86 | |
Dudley Du | 945525e | 2015-07-20 16:57:53 -0700 | [diff] [blame] | 87 | #define PIP_SET_PROXIMITY 0x49 |
| 88 | |
Dudley Du | 9489761 | 2015-07-20 16:49:06 -0700 | [diff] [blame] | 89 | /* Macro of Gen5 */ |
| 90 | #define GEN5_BL_MAX_OUTPUT_LENGTH 0x0100 |
| 91 | #define GEN5_APP_MAX_OUTPUT_LENGTH 0x00fe |
| 92 | |
| 93 | #define GEN5_POWER_STATE_ACTIVE 0x01 |
| 94 | #define GEN5_POWER_STATE_LOOK_FOR_TOUCH 0x02 |
| 95 | #define GEN5_POWER_STATE_READY 0x03 |
| 96 | #define GEN5_POWER_STATE_IDLE 0x04 |
| 97 | #define GEN5_POWER_STATE_BTN_ONLY 0x05 |
| 98 | #define GEN5_POWER_STATE_OFF 0x06 |
| 99 | |
| 100 | #define GEN5_POWER_READY_MAX_INTRVL_TIME 50 /* Unit: ms */ |
| 101 | #define GEN5_POWER_IDLE_MAX_INTRVL_TIME 250 /* Unit: ms */ |
Dudley Du | 6972a85 | 2015-01-17 18:49:37 -0800 | [diff] [blame] | 102 | |
| 103 | #define GEN5_CMD_GET_PARAMETER 0x05 |
| 104 | #define GEN5_CMD_SET_PARAMETER 0x06 |
| 105 | #define GEN5_PARAMETER_ACT_INTERVL_ID 0x4d |
| 106 | #define GEN5_PARAMETER_ACT_INTERVL_SIZE 1 |
| 107 | #define GEN5_PARAMETER_ACT_LFT_INTERVL_ID 0x4f |
| 108 | #define GEN5_PARAMETER_ACT_LFT_INTERVL_SIZE 2 |
| 109 | #define GEN5_PARAMETER_LP_INTRVL_ID 0x4c |
| 110 | #define GEN5_PARAMETER_LP_INTRVL_SIZE 2 |
| 111 | |
| 112 | #define GEN5_PARAMETER_DISABLE_PIP_REPORT 0x08 |
| 113 | |
Dudley Du | 6972a85 | 2015-01-17 18:49:37 -0800 | [diff] [blame] | 114 | #define GEN5_BL_REPORT_DESCRIPTOR_SIZE 0x1d |
| 115 | #define GEN5_BL_REPORT_DESCRIPTOR_ID 0xfe |
| 116 | #define GEN5_APP_REPORT_DESCRIPTOR_SIZE 0xee |
| 117 | #define GEN5_APP_CONTRACT_REPORT_DESCRIPTOR_SIZE 0xfa |
| 118 | #define GEN5_APP_REPORT_DESCRIPTOR_ID 0xf6 |
| 119 | |
Dudley Du | 6972a85 | 2015-01-17 18:49:37 -0800 | [diff] [blame] | 120 | #define GEN5_RETRIEVE_MUTUAL_PWC_DATA 0x00 |
| 121 | #define GEN5_RETRIEVE_SELF_CAP_PWC_DATA 0x01 |
| 122 | |
| 123 | #define GEN5_RETRIEVE_DATA_ELEMENT_SIZE_MASK 0x07 |
| 124 | |
| 125 | #define GEN5_CMD_EXECUTE_PANEL_SCAN 0x2a |
| 126 | #define GEN5_CMD_RETRIEVE_PANEL_SCAN 0x2b |
| 127 | #define GEN5_PANEL_SCAN_MUTUAL_RAW_DATA 0x00 |
| 128 | #define GEN5_PANEL_SCAN_MUTUAL_BASELINE 0x01 |
| 129 | #define GEN5_PANEL_SCAN_MUTUAL_DIFFCOUNT 0x02 |
| 130 | #define GEN5_PANEL_SCAN_SELF_RAW_DATA 0x03 |
| 131 | #define GEN5_PANEL_SCAN_SELF_BASELINE 0x04 |
| 132 | #define GEN5_PANEL_SCAN_SELF_DIFFCOUNT 0x05 |
| 133 | |
Dudley Du | 9489761 | 2015-07-20 16:49:06 -0700 | [diff] [blame] | 134 | /* The offset only valid for retrieve PWC and panel scan commands */ |
Dudley Du | 6972a85 | 2015-01-17 18:49:37 -0800 | [diff] [blame] | 135 | #define GEN5_RESP_DATA_STRUCTURE_OFFSET 10 |
| 136 | #define GEN5_PWC_DATA_ELEMENT_SIZE_MASK 0x07 |
| 137 | |
Dudley Du | 6972a85 | 2015-01-17 18:49:37 -0800 | [diff] [blame] | 138 | |
Dudley Du | 9489761 | 2015-07-20 16:49:06 -0700 | [diff] [blame] | 139 | struct cyapa_pip_touch_record { |
Dudley Du | 6972a85 | 2015-01-17 18:49:37 -0800 | [diff] [blame] | 140 | /* |
| 141 | * Bit 7 - 3: reserved |
| 142 | * Bit 2 - 0: touch type; |
| 143 | * 0 : standard finger; |
Dudley Du | c2c06c4 | 2015-07-20 16:53:30 -0700 | [diff] [blame] | 144 | * 1 : proximity (Start supported in Gen5 TP). |
| 145 | * 2 : finger hover (defined, but not used yet.) |
| 146 | * 3 - 15 : reserved. |
Dudley Du | 6972a85 | 2015-01-17 18:49:37 -0800 | [diff] [blame] | 147 | */ |
| 148 | u8 touch_type; |
| 149 | |
| 150 | /* |
| 151 | * Bit 7: indicates touch liftoff status. |
| 152 | * 0 : touch is currently on the panel. |
| 153 | * 1 : touch record indicates a liftoff. |
| 154 | * Bit 6 - 5: indicates an event associated with this touch instance |
| 155 | * 0 : no event |
| 156 | * 1 : touchdown |
| 157 | * 2 : significant displacement (> active distance) |
| 158 | * 3 : liftoff (record reports last known coordinates) |
| 159 | * Bit 4 - 0: An arbitrary ID tag associated with a finger |
| 160 | * to allow tracking a touch as it moves around the panel. |
| 161 | */ |
| 162 | u8 touch_tip_event_id; |
| 163 | |
| 164 | /* Bit 7 - 0 of X-axis coordinate of the touch in pixel. */ |
| 165 | u8 x_lo; |
| 166 | |
| 167 | /* Bit 15 - 8 of X-axis coordinate of the touch in pixel. */ |
| 168 | u8 x_hi; |
| 169 | |
| 170 | /* Bit 7 - 0 of Y-axis coordinate of the touch in pixel. */ |
| 171 | u8 y_lo; |
| 172 | |
| 173 | /* Bit 15 - 8 of Y-axis coordinate of the touch in pixel. */ |
| 174 | u8 y_hi; |
| 175 | |
Dudley Du | 9489761 | 2015-07-20 16:49:06 -0700 | [diff] [blame] | 176 | /* |
| 177 | * The meaning of this value is different when touch_type is different. |
| 178 | * For standard finger type: |
| 179 | * Touch intensity in counts, pressure value. |
Dudley Du | c2c06c4 | 2015-07-20 16:53:30 -0700 | [diff] [blame] | 180 | * For proximity type (Start supported in Gen5 TP): |
| 181 | * The distance, in surface units, between the contact and |
| 182 | * the surface. |
Dudley Du | 9489761 | 2015-07-20 16:49:06 -0700 | [diff] [blame] | 183 | **/ |
Dudley Du | 6972a85 | 2015-01-17 18:49:37 -0800 | [diff] [blame] | 184 | u8 z; |
| 185 | |
| 186 | /* |
| 187 | * The length of the major axis of the ellipse of contact between |
| 188 | * the finger and the panel (ABS_MT_TOUCH_MAJOR). |
| 189 | */ |
| 190 | u8 major_axis_len; |
| 191 | |
| 192 | /* |
| 193 | * The length of the minor axis of the ellipse of contact between |
| 194 | * the finger and the panel (ABS_MT_TOUCH_MINOR). |
| 195 | */ |
| 196 | u8 minor_axis_len; |
| 197 | |
| 198 | /* |
| 199 | * The length of the major axis of the approaching tool. |
| 200 | * (ABS_MT_WIDTH_MAJOR) |
| 201 | */ |
| 202 | u8 major_tool_len; |
| 203 | |
| 204 | /* |
| 205 | * The length of the minor axis of the approaching tool. |
| 206 | * (ABS_MT_WIDTH_MINOR) |
| 207 | */ |
| 208 | u8 minor_tool_len; |
| 209 | |
| 210 | /* |
| 211 | * The angle between the panel vertical axis and |
| 212 | * the major axis of the contact ellipse. This value is an 8-bit |
| 213 | * signed integer. The range is -127 to +127 (corresponding to |
| 214 | * -90 degree and +90 degree respectively). |
| 215 | * The positive direction is clockwise from the vertical axis. |
| 216 | * If the ellipse of contact degenerates into a circle, |
| 217 | * orientation is reported as 0. |
| 218 | */ |
| 219 | u8 orientation; |
| 220 | } __packed; |
| 221 | |
Dudley Du | 9489761 | 2015-07-20 16:49:06 -0700 | [diff] [blame] | 222 | struct cyapa_pip_report_data { |
| 223 | u8 report_head[PIP_TOUCH_REPORT_HEAD_SIZE]; |
| 224 | struct cyapa_pip_touch_record touch_records[10]; |
Dudley Du | 6972a85 | 2015-01-17 18:49:37 -0800 | [diff] [blame] | 225 | } __packed; |
| 226 | |
Dudley Du | 5812d30 | 2015-01-17 22:14:48 -0800 | [diff] [blame] | 227 | struct cyapa_tsg_bin_image_head { |
| 228 | u8 head_size; /* Unit: bytes, including itself. */ |
| 229 | u8 ttda_driver_major_version; /* Reserved as 0. */ |
| 230 | u8 ttda_driver_minor_version; /* Reserved as 0. */ |
| 231 | u8 fw_major_version; |
| 232 | u8 fw_minor_version; |
| 233 | u8 fw_revision_control_number[8]; |
Dudley Du | c2c06c4 | 2015-07-20 16:53:30 -0700 | [diff] [blame] | 234 | u8 silicon_id_hi; |
| 235 | u8 silicon_id_lo; |
| 236 | u8 chip_revision; |
| 237 | u8 family_id; |
| 238 | u8 bl_ver_maj; |
| 239 | u8 bl_ver_min; |
Dudley Du | 5812d30 | 2015-01-17 22:14:48 -0800 | [diff] [blame] | 240 | } __packed; |
| 241 | |
| 242 | struct cyapa_tsg_bin_image_data_record { |
| 243 | u8 flash_array_id; |
| 244 | __be16 row_number; |
| 245 | /* The number of bytes of flash data contained in this record. */ |
| 246 | __be16 record_len; |
| 247 | /* The flash program data. */ |
| 248 | u8 record_data[CYAPA_TSG_FW_ROW_SIZE]; |
| 249 | } __packed; |
| 250 | |
| 251 | struct cyapa_tsg_bin_image { |
| 252 | struct cyapa_tsg_bin_image_head image_head; |
| 253 | struct cyapa_tsg_bin_image_data_record records[0]; |
| 254 | } __packed; |
| 255 | |
Dudley Du | 9489761 | 2015-07-20 16:49:06 -0700 | [diff] [blame] | 256 | struct pip_bl_packet_start { |
Dudley Du | 5812d30 | 2015-01-17 22:14:48 -0800 | [diff] [blame] | 257 | u8 sop; /* Start of packet, must be 01h */ |
| 258 | u8 cmd_code; |
| 259 | __le16 data_length; /* Size of data parameter start from data[0] */ |
| 260 | } __packed; |
| 261 | |
Dudley Du | 9489761 | 2015-07-20 16:49:06 -0700 | [diff] [blame] | 262 | struct pip_bl_packet_end { |
Dudley Du | 5812d30 | 2015-01-17 22:14:48 -0800 | [diff] [blame] | 263 | __le16 crc; |
| 264 | u8 eop; /* End of packet, must be 17h */ |
| 265 | } __packed; |
| 266 | |
Dudley Du | 9489761 | 2015-07-20 16:49:06 -0700 | [diff] [blame] | 267 | struct pip_bl_cmd_head { |
Dudley Du | 5812d30 | 2015-01-17 22:14:48 -0800 | [diff] [blame] | 268 | __le16 addr; /* Output report register address, must be 0004h */ |
| 269 | /* Size of packet not including output report register address */ |
| 270 | __le16 length; |
| 271 | u8 report_id; /* Bootloader output report id, must be 40h */ |
| 272 | u8 rsvd; /* Reserved, must be 0 */ |
Dudley Du | 9489761 | 2015-07-20 16:49:06 -0700 | [diff] [blame] | 273 | struct pip_bl_packet_start packet_start; |
Dudley Du | 5812d30 | 2015-01-17 22:14:48 -0800 | [diff] [blame] | 274 | u8 data[0]; /* Command data variable based on commands */ |
| 275 | } __packed; |
| 276 | |
| 277 | /* Initiate bootload command data structure. */ |
Dudley Du | 9489761 | 2015-07-20 16:49:06 -0700 | [diff] [blame] | 278 | struct pip_bl_initiate_cmd_data { |
Dudley Du | 5812d30 | 2015-01-17 22:14:48 -0800 | [diff] [blame] | 279 | /* Key must be "A5h 01h 02h 03h FFh FEh FDh 5Ah" */ |
| 280 | u8 key[CYAPA_TSG_BL_KEY_SIZE]; |
| 281 | u8 metadata_raw_parameter[CYAPA_TSG_FLASH_MAP_METADATA_SIZE]; |
| 282 | __le16 metadata_crc; |
| 283 | } __packed; |
| 284 | |
Dudley Du | 9489761 | 2015-07-20 16:49:06 -0700 | [diff] [blame] | 285 | struct tsg_bl_metadata_row_params { |
Dudley Du | 5812d30 | 2015-01-17 22:14:48 -0800 | [diff] [blame] | 286 | __le16 size; |
Dmitry Torokhov | 2be7256 | 2015-01-19 15:59:31 -0800 | [diff] [blame] | 287 | __le16 maximum_size; |
Dudley Du | 5812d30 | 2015-01-17 22:14:48 -0800 | [diff] [blame] | 288 | __le32 app_start; |
| 289 | __le16 app_len; |
| 290 | __le16 app_crc; |
| 291 | __le32 app_entry; |
| 292 | __le32 upgrade_start; |
| 293 | __le16 upgrade_len; |
| 294 | __le16 entry_row_crc; |
| 295 | u8 padding[36]; /* Padding data must be 0 */ |
| 296 | __le16 metadata_crc; /* CRC starts at offset of 60 */ |
| 297 | } __packed; |
| 298 | |
| 299 | /* Bootload program and verify row command data structure */ |
Dudley Du | 9489761 | 2015-07-20 16:49:06 -0700 | [diff] [blame] | 300 | struct tsg_bl_flash_row_head { |
Dudley Du | 5812d30 | 2015-01-17 22:14:48 -0800 | [diff] [blame] | 301 | u8 flash_array_id; |
| 302 | __le16 flash_row_id; |
| 303 | u8 flash_data[0]; |
| 304 | } __packed; |
| 305 | |
Dudley Du | 9489761 | 2015-07-20 16:49:06 -0700 | [diff] [blame] | 306 | struct pip_app_cmd_head { |
Dudley Du | 6972a85 | 2015-01-17 18:49:37 -0800 | [diff] [blame] | 307 | __le16 addr; /* Output report register address, must be 0004h */ |
| 308 | /* Size of packet not including output report register address */ |
| 309 | __le16 length; |
| 310 | u8 report_id; /* Application output report id, must be 2Fh */ |
| 311 | u8 rsvd; /* Reserved, must be 0 */ |
| 312 | /* |
| 313 | * Bit 7: reserved, must be 0. |
| 314 | * Bit 6-0: command code. |
| 315 | */ |
| 316 | u8 cmd_code; |
| 317 | u8 parameter_data[0]; /* Parameter data variable based on cmd_code */ |
| 318 | } __packed; |
| 319 | |
Shailendra Verma | 7debcbb | 2015-05-26 13:44:06 -0700 | [diff] [blame] | 320 | /* Application get/set parameter command data structure */ |
Dudley Du | 6972a85 | 2015-01-17 18:49:37 -0800 | [diff] [blame] | 321 | struct gen5_app_set_parameter_data { |
| 322 | u8 parameter_id; |
| 323 | u8 parameter_size; |
| 324 | __le32 value; |
| 325 | } __packed; |
| 326 | |
| 327 | struct gen5_app_get_parameter_data { |
| 328 | u8 parameter_id; |
| 329 | } __packed; |
| 330 | |
Dudley Du | 6499d39 | 2015-01-17 22:16:01 -0800 | [diff] [blame] | 331 | struct gen5_retrieve_panel_scan_data { |
| 332 | __le16 read_offset; |
| 333 | __le16 read_elements; |
| 334 | u8 data_id; |
| 335 | } __packed; |
| 336 | |
Dudley Du | 9489761 | 2015-07-20 16:49:06 -0700 | [diff] [blame] | 337 | u8 pip_read_sys_info[] = { 0x04, 0x00, 0x05, 0x00, 0x2f, 0x00, 0x02 }; |
| 338 | u8 pip_bl_read_app_info[] = { 0x04, 0x00, 0x0b, 0x00, 0x40, 0x00, |
| 339 | 0x01, 0x3c, 0x00, 0x00, 0xb0, 0x42, 0x17 |
| 340 | }; |
Dudley Du | 6972a85 | 2015-01-17 18:49:37 -0800 | [diff] [blame] | 341 | |
Dudley Du | 9489761 | 2015-07-20 16:49:06 -0700 | [diff] [blame] | 342 | static u8 cyapa_pip_bl_cmd_key[] = { 0xa5, 0x01, 0x02, 0x03, |
Dudley Du | 5812d30 | 2015-01-17 22:14:48 -0800 | [diff] [blame] | 343 | 0xff, 0xfe, 0xfd, 0x5a }; |
| 344 | |
Dudley Du | 3cd4786 | 2016-03-04 11:23:09 -0800 | [diff] [blame] | 345 | static int cyapa_pip_event_process(struct cyapa *cyapa, |
| 346 | struct cyapa_pip_report_data *report_data); |
| 347 | |
Dudley Du | 9489761 | 2015-07-20 16:49:06 -0700 | [diff] [blame] | 348 | int cyapa_pip_cmd_state_initialize(struct cyapa *cyapa) |
Dudley Du | 6972a85 | 2015-01-17 18:49:37 -0800 | [diff] [blame] | 349 | { |
Dudley Du | 9489761 | 2015-07-20 16:49:06 -0700 | [diff] [blame] | 350 | struct cyapa_pip_cmd_states *pip = &cyapa->cmd_states.pip; |
Dudley Du | 6972a85 | 2015-01-17 18:49:37 -0800 | [diff] [blame] | 351 | |
Dudley Du | 9489761 | 2015-07-20 16:49:06 -0700 | [diff] [blame] | 352 | init_completion(&pip->cmd_ready); |
| 353 | atomic_set(&pip->cmd_issued, 0); |
| 354 | mutex_init(&pip->cmd_lock); |
Dudley Du | 6972a85 | 2015-01-17 18:49:37 -0800 | [diff] [blame] | 355 | |
Dudley Du | 3cd4786 | 2016-03-04 11:23:09 -0800 | [diff] [blame] | 356 | mutex_init(&pip->pm_stage_lock); |
| 357 | pip->pm_stage = CYAPA_PM_DEACTIVE; |
| 358 | |
Dudley Du | 9489761 | 2015-07-20 16:49:06 -0700 | [diff] [blame] | 359 | pip->resp_sort_func = NULL; |
| 360 | pip->in_progress_cmd = PIP_INVALID_CMD; |
| 361 | pip->resp_data = NULL; |
| 362 | pip->resp_len = NULL; |
Dudley Du | 6972a85 | 2015-01-17 18:49:37 -0800 | [diff] [blame] | 363 | |
| 364 | cyapa->dev_pwr_mode = UNINIT_PWR_MODE; |
| 365 | cyapa->dev_sleep_time = UNINIT_SLEEP_TIME; |
| 366 | |
| 367 | return 0; |
| 368 | } |
| 369 | |
| 370 | /* Return negative errno, or else the number of bytes read. */ |
Dudley Du | 9489761 | 2015-07-20 16:49:06 -0700 | [diff] [blame] | 371 | ssize_t cyapa_i2c_pip_read(struct cyapa *cyapa, u8 *buf, size_t size) |
Dudley Du | 6972a85 | 2015-01-17 18:49:37 -0800 | [diff] [blame] | 372 | { |
| 373 | int ret; |
| 374 | |
| 375 | if (size == 0) |
| 376 | return 0; |
| 377 | |
| 378 | if (!buf || size > CYAPA_REG_MAP_SIZE) |
| 379 | return -EINVAL; |
| 380 | |
| 381 | ret = i2c_master_recv(cyapa->client, buf, size); |
| 382 | |
| 383 | if (ret != size) |
| 384 | return (ret < 0) ? ret : -EIO; |
Dudley Du | 6972a85 | 2015-01-17 18:49:37 -0800 | [diff] [blame] | 385 | return size; |
| 386 | } |
| 387 | |
| 388 | /** |
| 389 | * Return a negative errno code else zero on success. |
| 390 | */ |
Dudley Du | 9489761 | 2015-07-20 16:49:06 -0700 | [diff] [blame] | 391 | ssize_t cyapa_i2c_pip_write(struct cyapa *cyapa, u8 *buf, size_t size) |
Dudley Du | 6972a85 | 2015-01-17 18:49:37 -0800 | [diff] [blame] | 392 | { |
| 393 | int ret; |
| 394 | |
| 395 | if (!buf || !size) |
| 396 | return -EINVAL; |
| 397 | |
| 398 | ret = i2c_master_send(cyapa->client, buf, size); |
| 399 | |
| 400 | if (ret != size) |
| 401 | return (ret < 0) ? ret : -EIO; |
| 402 | |
| 403 | return 0; |
| 404 | } |
| 405 | |
Dudley Du | 3cd4786 | 2016-03-04 11:23:09 -0800 | [diff] [blame] | 406 | static void cyapa_set_pip_pm_state(struct cyapa *cyapa, |
| 407 | enum cyapa_pm_stage pm_stage) |
| 408 | { |
| 409 | struct cyapa_pip_cmd_states *pip = &cyapa->cmd_states.pip; |
| 410 | |
| 411 | mutex_lock(&pip->pm_stage_lock); |
| 412 | pip->pm_stage = pm_stage; |
| 413 | mutex_unlock(&pip->pm_stage_lock); |
| 414 | } |
| 415 | |
| 416 | static void cyapa_reset_pip_pm_state(struct cyapa *cyapa) |
| 417 | { |
| 418 | struct cyapa_pip_cmd_states *pip = &cyapa->cmd_states.pip; |
| 419 | |
| 420 | /* Indicates the pip->pm_stage is not valid. */ |
| 421 | mutex_lock(&pip->pm_stage_lock); |
| 422 | pip->pm_stage = CYAPA_PM_DEACTIVE; |
| 423 | mutex_unlock(&pip->pm_stage_lock); |
| 424 | } |
| 425 | |
| 426 | static enum cyapa_pm_stage cyapa_get_pip_pm_state(struct cyapa *cyapa) |
| 427 | { |
| 428 | struct cyapa_pip_cmd_states *pip = &cyapa->cmd_states.pip; |
| 429 | enum cyapa_pm_stage pm_stage; |
| 430 | |
| 431 | mutex_lock(&pip->pm_stage_lock); |
| 432 | pm_stage = pip->pm_stage; |
| 433 | mutex_unlock(&pip->pm_stage_lock); |
| 434 | |
| 435 | return pm_stage; |
| 436 | } |
| 437 | |
Dudley Du | 6972a85 | 2015-01-17 18:49:37 -0800 | [diff] [blame] | 438 | /** |
| 439 | * This function is aimed to dump all not read data in Gen5 trackpad |
| 440 | * before send any command, otherwise, the interrupt line will be blocked. |
| 441 | */ |
Dudley Du | 9489761 | 2015-07-20 16:49:06 -0700 | [diff] [blame] | 442 | int cyapa_empty_pip_output_data(struct cyapa *cyapa, |
Dudley Du | 6972a85 | 2015-01-17 18:49:37 -0800 | [diff] [blame] | 443 | u8 *buf, int *len, cb_sort func) |
| 444 | { |
Dudley Du | 3cd4786 | 2016-03-04 11:23:09 -0800 | [diff] [blame] | 445 | struct input_dev *input = cyapa->input; |
Dudley Du | 9489761 | 2015-07-20 16:49:06 -0700 | [diff] [blame] | 446 | struct cyapa_pip_cmd_states *pip = &cyapa->cmd_states.pip; |
Dudley Du | 3cd4786 | 2016-03-04 11:23:09 -0800 | [diff] [blame] | 447 | enum cyapa_pm_stage pm_stage = cyapa_get_pip_pm_state(cyapa); |
Dudley Du | 6972a85 | 2015-01-17 18:49:37 -0800 | [diff] [blame] | 448 | int length; |
| 449 | int report_count; |
| 450 | int empty_count; |
| 451 | int buf_len; |
| 452 | int error; |
| 453 | |
| 454 | buf_len = 0; |
| 455 | if (len) { |
| 456 | buf_len = (*len < CYAPA_REG_MAP_SIZE) ? |
| 457 | *len : CYAPA_REG_MAP_SIZE; |
| 458 | *len = 0; |
| 459 | } |
| 460 | |
| 461 | report_count = 8; /* max 7 pending data before command response data */ |
| 462 | empty_count = 0; |
| 463 | do { |
| 464 | /* |
| 465 | * Depending on testing in cyapa driver, there are max 5 "02 00" |
| 466 | * packets between two valid buffered data report in firmware. |
| 467 | * So in order to dump all buffered data out and |
| 468 | * make interrupt line release for reassert again, |
| 469 | * we must set the empty_count check value bigger than 5 to |
| 470 | * make it work. Otherwise, in some situation, |
| 471 | * the interrupt line may unable to reactive again, |
| 472 | * which will cause trackpad device unable to |
| 473 | * report data any more. |
| 474 | * for example, it may happen in EFT and ESD testing. |
| 475 | */ |
| 476 | if (empty_count > 5) |
| 477 | return 0; |
| 478 | |
Dudley Du | 9489761 | 2015-07-20 16:49:06 -0700 | [diff] [blame] | 479 | error = cyapa_i2c_pip_read(cyapa, pip->empty_buf, |
| 480 | PIP_RESP_LENGTH_SIZE); |
Dudley Du | 6972a85 | 2015-01-17 18:49:37 -0800 | [diff] [blame] | 481 | if (error < 0) |
| 482 | return error; |
| 483 | |
Dudley Du | 9489761 | 2015-07-20 16:49:06 -0700 | [diff] [blame] | 484 | length = get_unaligned_le16(pip->empty_buf); |
| 485 | if (length == PIP_RESP_LENGTH_SIZE) { |
Dudley Du | 6972a85 | 2015-01-17 18:49:37 -0800 | [diff] [blame] | 486 | empty_count++; |
| 487 | continue; |
| 488 | } else if (length > CYAPA_REG_MAP_SIZE) { |
| 489 | /* Should not happen */ |
| 490 | return -EINVAL; |
| 491 | } else if (length == 0) { |
| 492 | /* Application or bootloader launch data polled out. */ |
Dudley Du | 9489761 | 2015-07-20 16:49:06 -0700 | [diff] [blame] | 493 | length = PIP_RESP_LENGTH_SIZE; |
Dudley Du | 6972a85 | 2015-01-17 18:49:37 -0800 | [diff] [blame] | 494 | if (buf && buf_len && func && |
Dudley Du | 9489761 | 2015-07-20 16:49:06 -0700 | [diff] [blame] | 495 | func(cyapa, pip->empty_buf, length)) { |
Dudley Du | 6972a85 | 2015-01-17 18:49:37 -0800 | [diff] [blame] | 496 | length = min(buf_len, length); |
Dudley Du | 9489761 | 2015-07-20 16:49:06 -0700 | [diff] [blame] | 497 | memcpy(buf, pip->empty_buf, length); |
Dudley Du | 6972a85 | 2015-01-17 18:49:37 -0800 | [diff] [blame] | 498 | *len = length; |
| 499 | /* Response found, success. */ |
| 500 | return 0; |
| 501 | } |
| 502 | continue; |
| 503 | } |
| 504 | |
Dudley Du | 9489761 | 2015-07-20 16:49:06 -0700 | [diff] [blame] | 505 | error = cyapa_i2c_pip_read(cyapa, pip->empty_buf, length); |
Dudley Du | 6972a85 | 2015-01-17 18:49:37 -0800 | [diff] [blame] | 506 | if (error < 0) |
| 507 | return error; |
| 508 | |
| 509 | report_count--; |
| 510 | empty_count = 0; |
Dudley Du | 9489761 | 2015-07-20 16:49:06 -0700 | [diff] [blame] | 511 | length = get_unaligned_le16(pip->empty_buf); |
| 512 | if (length <= PIP_RESP_LENGTH_SIZE) { |
Dudley Du | 6972a85 | 2015-01-17 18:49:37 -0800 | [diff] [blame] | 513 | empty_count++; |
| 514 | } else if (buf && buf_len && func && |
Dudley Du | 9489761 | 2015-07-20 16:49:06 -0700 | [diff] [blame] | 515 | func(cyapa, pip->empty_buf, length)) { |
Dudley Du | 6972a85 | 2015-01-17 18:49:37 -0800 | [diff] [blame] | 516 | length = min(buf_len, length); |
Dudley Du | 9489761 | 2015-07-20 16:49:06 -0700 | [diff] [blame] | 517 | memcpy(buf, pip->empty_buf, length); |
Dudley Du | 6972a85 | 2015-01-17 18:49:37 -0800 | [diff] [blame] | 518 | *len = length; |
| 519 | /* Response found, success. */ |
| 520 | return 0; |
Dudley Du | 3cd4786 | 2016-03-04 11:23:09 -0800 | [diff] [blame] | 521 | } else if (cyapa->operational && input && input->users && |
| 522 | (pm_stage == CYAPA_PM_RUNTIME_RESUME || |
| 523 | pm_stage == CYAPA_PM_RUNTIME_SUSPEND)) { |
| 524 | /* Parse the data and report it if it's valid. */ |
| 525 | cyapa_pip_event_process(cyapa, |
| 526 | (struct cyapa_pip_report_data *)pip->empty_buf); |
Dudley Du | 6972a85 | 2015-01-17 18:49:37 -0800 | [diff] [blame] | 527 | } |
| 528 | |
| 529 | error = -EINVAL; |
| 530 | } while (report_count); |
| 531 | |
| 532 | return error; |
| 533 | } |
| 534 | |
| 535 | static int cyapa_do_i2c_pip_cmd_irq_sync( |
| 536 | struct cyapa *cyapa, |
| 537 | u8 *cmd, size_t cmd_len, |
| 538 | unsigned long timeout) |
| 539 | { |
Dudley Du | 9489761 | 2015-07-20 16:49:06 -0700 | [diff] [blame] | 540 | struct cyapa_pip_cmd_states *pip = &cyapa->cmd_states.pip; |
Dudley Du | 6972a85 | 2015-01-17 18:49:37 -0800 | [diff] [blame] | 541 | int error; |
| 542 | |
| 543 | /* Wait for interrupt to set ready completion */ |
Dudley Du | 9489761 | 2015-07-20 16:49:06 -0700 | [diff] [blame] | 544 | init_completion(&pip->cmd_ready); |
Dudley Du | 6972a85 | 2015-01-17 18:49:37 -0800 | [diff] [blame] | 545 | |
Dudley Du | 9489761 | 2015-07-20 16:49:06 -0700 | [diff] [blame] | 546 | atomic_inc(&pip->cmd_issued); |
Dudley Du | 6972a85 | 2015-01-17 18:49:37 -0800 | [diff] [blame] | 547 | error = cyapa_i2c_pip_write(cyapa, cmd, cmd_len); |
| 548 | if (error) { |
Dudley Du | 9489761 | 2015-07-20 16:49:06 -0700 | [diff] [blame] | 549 | atomic_dec(&pip->cmd_issued); |
Dudley Du | 6972a85 | 2015-01-17 18:49:37 -0800 | [diff] [blame] | 550 | return (error < 0) ? error : -EIO; |
| 551 | } |
| 552 | |
| 553 | /* Wait for interrupt to indicate command is completed. */ |
Dudley Du | 9489761 | 2015-07-20 16:49:06 -0700 | [diff] [blame] | 554 | timeout = wait_for_completion_timeout(&pip->cmd_ready, |
Dudley Du | 6972a85 | 2015-01-17 18:49:37 -0800 | [diff] [blame] | 555 | msecs_to_jiffies(timeout)); |
| 556 | if (timeout == 0) { |
Dudley Du | 9489761 | 2015-07-20 16:49:06 -0700 | [diff] [blame] | 557 | atomic_dec(&pip->cmd_issued); |
Dudley Du | 6972a85 | 2015-01-17 18:49:37 -0800 | [diff] [blame] | 558 | return -ETIMEDOUT; |
| 559 | } |
| 560 | |
| 561 | return 0; |
| 562 | } |
| 563 | |
| 564 | static int cyapa_do_i2c_pip_cmd_polling( |
| 565 | struct cyapa *cyapa, |
| 566 | u8 *cmd, size_t cmd_len, |
| 567 | u8 *resp_data, int *resp_len, |
| 568 | unsigned long timeout, |
| 569 | cb_sort func) |
| 570 | { |
Dudley Du | 9489761 | 2015-07-20 16:49:06 -0700 | [diff] [blame] | 571 | struct cyapa_pip_cmd_states *pip = &cyapa->cmd_states.pip; |
Dudley Du | 6972a85 | 2015-01-17 18:49:37 -0800 | [diff] [blame] | 572 | int tries; |
| 573 | int length; |
| 574 | int error; |
| 575 | |
Dudley Du | 9489761 | 2015-07-20 16:49:06 -0700 | [diff] [blame] | 576 | atomic_inc(&pip->cmd_issued); |
Dudley Du | 6972a85 | 2015-01-17 18:49:37 -0800 | [diff] [blame] | 577 | error = cyapa_i2c_pip_write(cyapa, cmd, cmd_len); |
| 578 | if (error) { |
Dudley Du | 9489761 | 2015-07-20 16:49:06 -0700 | [diff] [blame] | 579 | atomic_dec(&pip->cmd_issued); |
Dudley Du | 6972a85 | 2015-01-17 18:49:37 -0800 | [diff] [blame] | 580 | return error < 0 ? error : -EIO; |
| 581 | } |
| 582 | |
| 583 | length = resp_len ? *resp_len : 0; |
| 584 | if (resp_data && resp_len && length != 0 && func) { |
| 585 | tries = timeout / 5; |
| 586 | do { |
| 587 | usleep_range(3000, 5000); |
| 588 | *resp_len = length; |
| 589 | error = cyapa_empty_pip_output_data(cyapa, |
| 590 | resp_data, resp_len, func); |
| 591 | if (error || *resp_len == 0) |
| 592 | continue; |
| 593 | else |
| 594 | break; |
| 595 | } while (--tries > 0); |
| 596 | if ((error || *resp_len == 0) || tries <= 0) |
| 597 | error = error ? error : -ETIMEDOUT; |
| 598 | } |
| 599 | |
Dudley Du | 9489761 | 2015-07-20 16:49:06 -0700 | [diff] [blame] | 600 | atomic_dec(&pip->cmd_issued); |
Dudley Du | 6972a85 | 2015-01-17 18:49:37 -0800 | [diff] [blame] | 601 | return error; |
| 602 | } |
| 603 | |
Dudley Du | 9489761 | 2015-07-20 16:49:06 -0700 | [diff] [blame] | 604 | int cyapa_i2c_pip_cmd_irq_sync( |
Dudley Du | 6972a85 | 2015-01-17 18:49:37 -0800 | [diff] [blame] | 605 | struct cyapa *cyapa, |
| 606 | u8 *cmd, int cmd_len, |
| 607 | u8 *resp_data, int *resp_len, |
| 608 | unsigned long timeout, |
| 609 | cb_sort func, |
| 610 | bool irq_mode) |
| 611 | { |
Dudley Du | 9489761 | 2015-07-20 16:49:06 -0700 | [diff] [blame] | 612 | struct cyapa_pip_cmd_states *pip = &cyapa->cmd_states.pip; |
Dudley Du | 6972a85 | 2015-01-17 18:49:37 -0800 | [diff] [blame] | 613 | int error; |
| 614 | |
| 615 | if (!cmd || !cmd_len) |
| 616 | return -EINVAL; |
| 617 | |
| 618 | /* Commands must be serialized. */ |
Dudley Du | 9489761 | 2015-07-20 16:49:06 -0700 | [diff] [blame] | 619 | error = mutex_lock_interruptible(&pip->cmd_lock); |
Dudley Du | 6972a85 | 2015-01-17 18:49:37 -0800 | [diff] [blame] | 620 | if (error) |
| 621 | return error; |
| 622 | |
Dudley Du | 9489761 | 2015-07-20 16:49:06 -0700 | [diff] [blame] | 623 | pip->resp_sort_func = func; |
| 624 | pip->resp_data = resp_data; |
| 625 | pip->resp_len = resp_len; |
Dudley Du | 6972a85 | 2015-01-17 18:49:37 -0800 | [diff] [blame] | 626 | |
Dudley Du | 9489761 | 2015-07-20 16:49:06 -0700 | [diff] [blame] | 627 | if (cmd_len >= PIP_MIN_APP_CMD_LENGTH && |
| 628 | cmd[4] == PIP_APP_CMD_REPORT_ID) { |
Dudley Du | 6972a85 | 2015-01-17 18:49:37 -0800 | [diff] [blame] | 629 | /* Application command */ |
Dudley Du | 9489761 | 2015-07-20 16:49:06 -0700 | [diff] [blame] | 630 | pip->in_progress_cmd = cmd[6] & 0x7f; |
| 631 | } else if (cmd_len >= PIP_MIN_BL_CMD_LENGTH && |
| 632 | cmd[4] == PIP_BL_CMD_REPORT_ID) { |
Dudley Du | 6972a85 | 2015-01-17 18:49:37 -0800 | [diff] [blame] | 633 | /* Bootloader command */ |
Dudley Du | 9489761 | 2015-07-20 16:49:06 -0700 | [diff] [blame] | 634 | pip->in_progress_cmd = cmd[7]; |
Dudley Du | 6972a85 | 2015-01-17 18:49:37 -0800 | [diff] [blame] | 635 | } |
| 636 | |
| 637 | /* Send command data, wait and read output response data's length. */ |
| 638 | if (irq_mode) { |
Dudley Du | 9489761 | 2015-07-20 16:49:06 -0700 | [diff] [blame] | 639 | pip->is_irq_mode = true; |
Dudley Du | 6972a85 | 2015-01-17 18:49:37 -0800 | [diff] [blame] | 640 | error = cyapa_do_i2c_pip_cmd_irq_sync(cyapa, cmd, cmd_len, |
| 641 | timeout); |
| 642 | if (error == -ETIMEDOUT && resp_data && |
| 643 | resp_len && *resp_len != 0 && func) { |
| 644 | /* |
| 645 | * For some old version, there was no interrupt for |
| 646 | * the command response data, so need to poll here |
| 647 | * to try to get the response data. |
| 648 | */ |
| 649 | error = cyapa_empty_pip_output_data(cyapa, |
| 650 | resp_data, resp_len, func); |
| 651 | if (error || *resp_len == 0) |
| 652 | error = error ? error : -ETIMEDOUT; |
| 653 | } |
| 654 | } else { |
Dudley Du | 9489761 | 2015-07-20 16:49:06 -0700 | [diff] [blame] | 655 | pip->is_irq_mode = false; |
Dudley Du | 6972a85 | 2015-01-17 18:49:37 -0800 | [diff] [blame] | 656 | error = cyapa_do_i2c_pip_cmd_polling(cyapa, cmd, cmd_len, |
| 657 | resp_data, resp_len, timeout, func); |
| 658 | } |
| 659 | |
Dudley Du | 9489761 | 2015-07-20 16:49:06 -0700 | [diff] [blame] | 660 | pip->resp_sort_func = NULL; |
| 661 | pip->resp_data = NULL; |
| 662 | pip->resp_len = NULL; |
| 663 | pip->in_progress_cmd = PIP_INVALID_CMD; |
Dudley Du | 6972a85 | 2015-01-17 18:49:37 -0800 | [diff] [blame] | 664 | |
Dudley Du | 9489761 | 2015-07-20 16:49:06 -0700 | [diff] [blame] | 665 | mutex_unlock(&pip->cmd_lock); |
Dudley Du | 6972a85 | 2015-01-17 18:49:37 -0800 | [diff] [blame] | 666 | return error; |
| 667 | } |
| 668 | |
Dudley Du | 9489761 | 2015-07-20 16:49:06 -0700 | [diff] [blame] | 669 | bool cyapa_sort_tsg_pip_bl_resp_data(struct cyapa *cyapa, |
Dudley Du | 6972a85 | 2015-01-17 18:49:37 -0800 | [diff] [blame] | 670 | u8 *data, int len) |
| 671 | { |
Dudley Du | 9489761 | 2015-07-20 16:49:06 -0700 | [diff] [blame] | 672 | if (!data || len < PIP_MIN_BL_RESP_LENGTH) |
Dudley Du | 6972a85 | 2015-01-17 18:49:37 -0800 | [diff] [blame] | 673 | return false; |
| 674 | |
| 675 | /* Bootloader input report id 30h */ |
Dudley Du | 9489761 | 2015-07-20 16:49:06 -0700 | [diff] [blame] | 676 | if (data[PIP_RESP_REPORT_ID_OFFSET] == PIP_BL_RESP_REPORT_ID && |
| 677 | data[PIP_RESP_RSVD_OFFSET] == PIP_RESP_RSVD_KEY && |
| 678 | data[PIP_RESP_BL_SOP_OFFSET] == PIP_SOP_KEY) |
Dudley Du | 6972a85 | 2015-01-17 18:49:37 -0800 | [diff] [blame] | 679 | return true; |
| 680 | |
| 681 | return false; |
| 682 | } |
| 683 | |
Dudley Du | 9489761 | 2015-07-20 16:49:06 -0700 | [diff] [blame] | 684 | bool cyapa_sort_tsg_pip_app_resp_data(struct cyapa *cyapa, |
Dudley Du | 6972a85 | 2015-01-17 18:49:37 -0800 | [diff] [blame] | 685 | u8 *data, int len) |
| 686 | { |
Dudley Du | 9489761 | 2015-07-20 16:49:06 -0700 | [diff] [blame] | 687 | struct cyapa_pip_cmd_states *pip = &cyapa->cmd_states.pip; |
Dudley Du | 6972a85 | 2015-01-17 18:49:37 -0800 | [diff] [blame] | 688 | int resp_len; |
| 689 | |
Dudley Du | 9489761 | 2015-07-20 16:49:06 -0700 | [diff] [blame] | 690 | if (!data || len < PIP_MIN_APP_RESP_LENGTH) |
Dudley Du | 6972a85 | 2015-01-17 18:49:37 -0800 | [diff] [blame] | 691 | return false; |
| 692 | |
Dudley Du | 9489761 | 2015-07-20 16:49:06 -0700 | [diff] [blame] | 693 | if (data[PIP_RESP_REPORT_ID_OFFSET] == PIP_APP_RESP_REPORT_ID && |
| 694 | data[PIP_RESP_RSVD_OFFSET] == PIP_RESP_RSVD_KEY) { |
| 695 | resp_len = get_unaligned_le16(&data[PIP_RESP_LENGTH_OFFSET]); |
| 696 | if (GET_PIP_CMD_CODE(data[PIP_RESP_APP_CMD_OFFSET]) == 0x00 && |
| 697 | resp_len == PIP_UNSUPPORTED_CMD_RESP_LENGTH && |
| 698 | data[5] == pip->in_progress_cmd) { |
Dudley Du | 6972a85 | 2015-01-17 18:49:37 -0800 | [diff] [blame] | 699 | /* Unsupported command code */ |
| 700 | return false; |
Dudley Du | 9489761 | 2015-07-20 16:49:06 -0700 | [diff] [blame] | 701 | } else if (GET_PIP_CMD_CODE(data[PIP_RESP_APP_CMD_OFFSET]) == |
| 702 | pip->in_progress_cmd) { |
Dudley Du | 6972a85 | 2015-01-17 18:49:37 -0800 | [diff] [blame] | 703 | /* Correct command response received */ |
| 704 | return true; |
| 705 | } |
| 706 | } |
| 707 | |
| 708 | return false; |
| 709 | } |
| 710 | |
Dudley Du | 9489761 | 2015-07-20 16:49:06 -0700 | [diff] [blame] | 711 | static bool cyapa_sort_pip_application_launch_data(struct cyapa *cyapa, |
Dudley Du | 5812d30 | 2015-01-17 22:14:48 -0800 | [diff] [blame] | 712 | u8 *buf, int len) |
| 713 | { |
Dudley Du | 9489761 | 2015-07-20 16:49:06 -0700 | [diff] [blame] | 714 | if (buf == NULL || len < PIP_RESP_LENGTH_SIZE) |
Dudley Du | 5812d30 | 2015-01-17 22:14:48 -0800 | [diff] [blame] | 715 | return false; |
| 716 | |
| 717 | /* |
| 718 | * After reset or power on, trackpad device always sets to 0x00 0x00 |
| 719 | * to indicate a reset or power on event. |
| 720 | */ |
| 721 | if (buf[0] == 0 && buf[1] == 0) |
| 722 | return true; |
| 723 | |
| 724 | return false; |
| 725 | } |
| 726 | |
Dudley Du | 9489761 | 2015-07-20 16:49:06 -0700 | [diff] [blame] | 727 | static bool cyapa_sort_gen5_hid_descriptor_data(struct cyapa *cyapa, |
Dudley Du | 6972a85 | 2015-01-17 18:49:37 -0800 | [diff] [blame] | 728 | u8 *buf, int len) |
| 729 | { |
| 730 | int resp_len; |
| 731 | int max_output_len; |
| 732 | |
| 733 | /* Check hid descriptor. */ |
Dudley Du | 9489761 | 2015-07-20 16:49:06 -0700 | [diff] [blame] | 734 | if (len != PIP_HID_DESCRIPTOR_SIZE) |
Dudley Du | 6972a85 | 2015-01-17 18:49:37 -0800 | [diff] [blame] | 735 | return false; |
| 736 | |
Dudley Du | 9489761 | 2015-07-20 16:49:06 -0700 | [diff] [blame] | 737 | resp_len = get_unaligned_le16(&buf[PIP_RESP_LENGTH_OFFSET]); |
Dudley Du | 6972a85 | 2015-01-17 18:49:37 -0800 | [diff] [blame] | 738 | max_output_len = get_unaligned_le16(&buf[16]); |
Dudley Du | 9489761 | 2015-07-20 16:49:06 -0700 | [diff] [blame] | 739 | if (resp_len == PIP_HID_DESCRIPTOR_SIZE) { |
| 740 | if (buf[PIP_RESP_REPORT_ID_OFFSET] == PIP_HID_BL_REPORT_ID && |
Dudley Du | 6972a85 | 2015-01-17 18:49:37 -0800 | [diff] [blame] | 741 | max_output_len == GEN5_BL_MAX_OUTPUT_LENGTH) { |
| 742 | /* BL mode HID Descriptor */ |
| 743 | return true; |
Dudley Du | 9489761 | 2015-07-20 16:49:06 -0700 | [diff] [blame] | 744 | } else if ((buf[PIP_RESP_REPORT_ID_OFFSET] == |
| 745 | PIP_HID_APP_REPORT_ID) && |
Dudley Du | 6972a85 | 2015-01-17 18:49:37 -0800 | [diff] [blame] | 746 | max_output_len == GEN5_APP_MAX_OUTPUT_LENGTH) { |
| 747 | /* APP mode HID Descriptor */ |
| 748 | return true; |
| 749 | } |
| 750 | } |
| 751 | |
| 752 | return false; |
| 753 | } |
| 754 | |
Dudley Du | 9489761 | 2015-07-20 16:49:06 -0700 | [diff] [blame] | 755 | static bool cyapa_sort_pip_deep_sleep_data(struct cyapa *cyapa, |
Dudley Du | 6972a85 | 2015-01-17 18:49:37 -0800 | [diff] [blame] | 756 | u8 *buf, int len) |
| 757 | { |
Dudley Du | 9489761 | 2015-07-20 16:49:06 -0700 | [diff] [blame] | 758 | if (len == PIP_DEEP_SLEEP_RESP_LENGTH && |
| 759 | buf[PIP_RESP_REPORT_ID_OFFSET] == |
| 760 | PIP_APP_DEEP_SLEEP_REPORT_ID && |
| 761 | (buf[4] & PIP_DEEP_SLEEP_OPCODE_MASK) == |
| 762 | PIP_DEEP_SLEEP_OPCODE) |
Dudley Du | 6972a85 | 2015-01-17 18:49:37 -0800 | [diff] [blame] | 763 | return true; |
| 764 | return false; |
| 765 | } |
| 766 | |
| 767 | static int gen5_idle_state_parse(struct cyapa *cyapa) |
| 768 | { |
Dudley Du | 9489761 | 2015-07-20 16:49:06 -0700 | [diff] [blame] | 769 | u8 resp_data[PIP_HID_DESCRIPTOR_SIZE]; |
Dudley Du | 6972a85 | 2015-01-17 18:49:37 -0800 | [diff] [blame] | 770 | int max_output_len; |
| 771 | int length; |
| 772 | u8 cmd[2]; |
| 773 | int ret; |
| 774 | int error; |
| 775 | |
| 776 | /* |
| 777 | * Dump all buffered data firstly for the situation |
| 778 | * when the trackpad is just power on the cyapa go here. |
| 779 | */ |
| 780 | cyapa_empty_pip_output_data(cyapa, NULL, NULL, NULL); |
| 781 | |
| 782 | memset(resp_data, 0, sizeof(resp_data)); |
| 783 | ret = cyapa_i2c_pip_read(cyapa, resp_data, 3); |
| 784 | if (ret != 3) |
| 785 | return ret < 0 ? ret : -EIO; |
| 786 | |
Dudley Du | 9489761 | 2015-07-20 16:49:06 -0700 | [diff] [blame] | 787 | length = get_unaligned_le16(&resp_data[PIP_RESP_LENGTH_OFFSET]); |
| 788 | if (length == PIP_RESP_LENGTH_SIZE) { |
| 789 | /* Normal state of Gen5 with no data to response */ |
Dudley Du | 6972a85 | 2015-01-17 18:49:37 -0800 | [diff] [blame] | 790 | cyapa->gen = CYAPA_GEN5; |
| 791 | |
| 792 | cyapa_empty_pip_output_data(cyapa, NULL, NULL, NULL); |
| 793 | |
| 794 | /* Read description from trackpad device */ |
| 795 | cmd[0] = 0x01; |
| 796 | cmd[1] = 0x00; |
Dudley Du | 9489761 | 2015-07-20 16:49:06 -0700 | [diff] [blame] | 797 | length = PIP_HID_DESCRIPTOR_SIZE; |
Dudley Du | 6972a85 | 2015-01-17 18:49:37 -0800 | [diff] [blame] | 798 | error = cyapa_i2c_pip_cmd_irq_sync(cyapa, |
Dudley Du | 9489761 | 2015-07-20 16:49:06 -0700 | [diff] [blame] | 799 | cmd, PIP_RESP_LENGTH_SIZE, |
Dudley Du | 6972a85 | 2015-01-17 18:49:37 -0800 | [diff] [blame] | 800 | resp_data, &length, |
| 801 | 300, |
Dudley Du | 9489761 | 2015-07-20 16:49:06 -0700 | [diff] [blame] | 802 | cyapa_sort_gen5_hid_descriptor_data, |
Dudley Du | 6972a85 | 2015-01-17 18:49:37 -0800 | [diff] [blame] | 803 | false); |
| 804 | if (error) |
| 805 | return error; |
| 806 | |
| 807 | length = get_unaligned_le16( |
Dudley Du | 9489761 | 2015-07-20 16:49:06 -0700 | [diff] [blame] | 808 | &resp_data[PIP_RESP_LENGTH_OFFSET]); |
Dudley Du | 6972a85 | 2015-01-17 18:49:37 -0800 | [diff] [blame] | 809 | max_output_len = get_unaligned_le16(&resp_data[16]); |
Dudley Du | 9489761 | 2015-07-20 16:49:06 -0700 | [diff] [blame] | 810 | if ((length == PIP_HID_DESCRIPTOR_SIZE || |
| 811 | length == PIP_RESP_LENGTH_SIZE) && |
| 812 | (resp_data[PIP_RESP_REPORT_ID_OFFSET] == |
| 813 | PIP_HID_BL_REPORT_ID) && |
Dudley Du | 6972a85 | 2015-01-17 18:49:37 -0800 | [diff] [blame] | 814 | max_output_len == GEN5_BL_MAX_OUTPUT_LENGTH) { |
| 815 | /* BL mode HID Description read */ |
| 816 | cyapa->state = CYAPA_STATE_GEN5_BL; |
Dudley Du | 9489761 | 2015-07-20 16:49:06 -0700 | [diff] [blame] | 817 | } else if ((length == PIP_HID_DESCRIPTOR_SIZE || |
| 818 | length == PIP_RESP_LENGTH_SIZE) && |
| 819 | (resp_data[PIP_RESP_REPORT_ID_OFFSET] == |
| 820 | PIP_HID_APP_REPORT_ID) && |
Dudley Du | 6972a85 | 2015-01-17 18:49:37 -0800 | [diff] [blame] | 821 | max_output_len == GEN5_APP_MAX_OUTPUT_LENGTH) { |
| 822 | /* APP mode HID Description read */ |
| 823 | cyapa->state = CYAPA_STATE_GEN5_APP; |
| 824 | } else { |
| 825 | /* Should not happen!!! */ |
| 826 | cyapa->state = CYAPA_STATE_NO_DEVICE; |
| 827 | } |
| 828 | } |
| 829 | |
| 830 | return 0; |
| 831 | } |
| 832 | |
| 833 | static int gen5_hid_description_header_parse(struct cyapa *cyapa, u8 *reg_data) |
| 834 | { |
| 835 | int length; |
| 836 | u8 resp_data[32]; |
| 837 | int max_output_len; |
| 838 | int ret; |
| 839 | |
| 840 | /* 0x20 0x00 0xF7 is Gen5 Application HID Description Header; |
Shailendra Verma | 7debcbb | 2015-05-26 13:44:06 -0700 | [diff] [blame] | 841 | * 0x20 0x00 0xFF is Gen5 Bootloader HID Description Header. |
Dudley Du | 6972a85 | 2015-01-17 18:49:37 -0800 | [diff] [blame] | 842 | * |
| 843 | * Must read HID Description content through out, |
| 844 | * otherwise Gen5 trackpad cannot response next command |
| 845 | * or report any touch or button data. |
| 846 | */ |
| 847 | ret = cyapa_i2c_pip_read(cyapa, resp_data, |
Dudley Du | 9489761 | 2015-07-20 16:49:06 -0700 | [diff] [blame] | 848 | PIP_HID_DESCRIPTOR_SIZE); |
| 849 | if (ret != PIP_HID_DESCRIPTOR_SIZE) |
Dudley Du | 6972a85 | 2015-01-17 18:49:37 -0800 | [diff] [blame] | 850 | return ret < 0 ? ret : -EIO; |
Dudley Du | 9489761 | 2015-07-20 16:49:06 -0700 | [diff] [blame] | 851 | length = get_unaligned_le16(&resp_data[PIP_RESP_LENGTH_OFFSET]); |
Dudley Du | 6972a85 | 2015-01-17 18:49:37 -0800 | [diff] [blame] | 852 | max_output_len = get_unaligned_le16(&resp_data[16]); |
Dudley Du | 9489761 | 2015-07-20 16:49:06 -0700 | [diff] [blame] | 853 | if (length == PIP_RESP_LENGTH_SIZE) { |
| 854 | if (reg_data[PIP_RESP_REPORT_ID_OFFSET] == |
| 855 | PIP_HID_BL_REPORT_ID) { |
Dudley Du | 6972a85 | 2015-01-17 18:49:37 -0800 | [diff] [blame] | 856 | /* |
| 857 | * BL mode HID Description has been previously |
| 858 | * read out. |
| 859 | */ |
| 860 | cyapa->gen = CYAPA_GEN5; |
| 861 | cyapa->state = CYAPA_STATE_GEN5_BL; |
| 862 | } else { |
| 863 | /* |
| 864 | * APP mode HID Description has been previously |
| 865 | * read out. |
| 866 | */ |
| 867 | cyapa->gen = CYAPA_GEN5; |
| 868 | cyapa->state = CYAPA_STATE_GEN5_APP; |
| 869 | } |
Dudley Du | 9489761 | 2015-07-20 16:49:06 -0700 | [diff] [blame] | 870 | } else if (length == PIP_HID_DESCRIPTOR_SIZE && |
| 871 | resp_data[2] == PIP_HID_BL_REPORT_ID && |
Dudley Du | 6972a85 | 2015-01-17 18:49:37 -0800 | [diff] [blame] | 872 | max_output_len == GEN5_BL_MAX_OUTPUT_LENGTH) { |
| 873 | /* BL mode HID Description read. */ |
| 874 | cyapa->gen = CYAPA_GEN5; |
| 875 | cyapa->state = CYAPA_STATE_GEN5_BL; |
Dudley Du | 9489761 | 2015-07-20 16:49:06 -0700 | [diff] [blame] | 876 | } else if (length == PIP_HID_DESCRIPTOR_SIZE && |
| 877 | (resp_data[PIP_RESP_REPORT_ID_OFFSET] == |
| 878 | PIP_HID_APP_REPORT_ID) && |
Dudley Du | 6972a85 | 2015-01-17 18:49:37 -0800 | [diff] [blame] | 879 | max_output_len == GEN5_APP_MAX_OUTPUT_LENGTH) { |
| 880 | /* APP mode HID Description read. */ |
| 881 | cyapa->gen = CYAPA_GEN5; |
| 882 | cyapa->state = CYAPA_STATE_GEN5_APP; |
| 883 | } else { |
| 884 | /* Should not happen!!! */ |
| 885 | cyapa->state = CYAPA_STATE_NO_DEVICE; |
| 886 | } |
| 887 | |
| 888 | return 0; |
| 889 | } |
| 890 | |
| 891 | static int gen5_report_data_header_parse(struct cyapa *cyapa, u8 *reg_data) |
| 892 | { |
| 893 | int length; |
| 894 | |
Dudley Du | 9489761 | 2015-07-20 16:49:06 -0700 | [diff] [blame] | 895 | length = get_unaligned_le16(®_data[PIP_RESP_LENGTH_OFFSET]); |
| 896 | switch (reg_data[PIP_RESP_REPORT_ID_OFFSET]) { |
| 897 | case PIP_TOUCH_REPORT_ID: |
| 898 | if (length < PIP_TOUCH_REPORT_HEAD_SIZE || |
| 899 | length > PIP_TOUCH_REPORT_MAX_SIZE) |
Dudley Du | 6972a85 | 2015-01-17 18:49:37 -0800 | [diff] [blame] | 900 | return -EINVAL; |
| 901 | break; |
Dudley Du | 9489761 | 2015-07-20 16:49:06 -0700 | [diff] [blame] | 902 | case PIP_BTN_REPORT_ID: |
Dudley Du | 6972a85 | 2015-01-17 18:49:37 -0800 | [diff] [blame] | 903 | case GEN5_OLD_PUSH_BTN_REPORT_ID: |
Dudley Du | 9489761 | 2015-07-20 16:49:06 -0700 | [diff] [blame] | 904 | case PIP_PUSH_BTN_REPORT_ID: |
| 905 | if (length < PIP_BTN_REPORT_HEAD_SIZE || |
| 906 | length > PIP_BTN_REPORT_MAX_SIZE) |
Dudley Du | 6972a85 | 2015-01-17 18:49:37 -0800 | [diff] [blame] | 907 | return -EINVAL; |
| 908 | break; |
Dudley Du | 9489761 | 2015-07-20 16:49:06 -0700 | [diff] [blame] | 909 | case PIP_WAKEUP_EVENT_REPORT_ID: |
| 910 | if (length != PIP_WAKEUP_EVENT_SIZE) |
Dudley Du | 6972a85 | 2015-01-17 18:49:37 -0800 | [diff] [blame] | 911 | return -EINVAL; |
| 912 | break; |
| 913 | default: |
| 914 | return -EINVAL; |
| 915 | } |
| 916 | |
| 917 | cyapa->gen = CYAPA_GEN5; |
| 918 | cyapa->state = CYAPA_STATE_GEN5_APP; |
| 919 | return 0; |
| 920 | } |
| 921 | |
| 922 | static int gen5_cmd_resp_header_parse(struct cyapa *cyapa, u8 *reg_data) |
| 923 | { |
Dudley Du | 9489761 | 2015-07-20 16:49:06 -0700 | [diff] [blame] | 924 | struct cyapa_pip_cmd_states *pip = &cyapa->cmd_states.pip; |
Dudley Du | 6972a85 | 2015-01-17 18:49:37 -0800 | [diff] [blame] | 925 | int length; |
| 926 | int ret; |
| 927 | |
| 928 | /* |
| 929 | * Must read report data through out, |
| 930 | * otherwise Gen5 trackpad cannot response next command |
| 931 | * or report any touch or button data. |
| 932 | */ |
Dudley Du | 9489761 | 2015-07-20 16:49:06 -0700 | [diff] [blame] | 933 | length = get_unaligned_le16(®_data[PIP_RESP_LENGTH_OFFSET]); |
| 934 | ret = cyapa_i2c_pip_read(cyapa, pip->empty_buf, length); |
Dudley Du | 6972a85 | 2015-01-17 18:49:37 -0800 | [diff] [blame] | 935 | if (ret != length) |
| 936 | return ret < 0 ? ret : -EIO; |
| 937 | |
Dudley Du | 9489761 | 2015-07-20 16:49:06 -0700 | [diff] [blame] | 938 | if (length == PIP_RESP_LENGTH_SIZE) { |
Dudley Du | 6972a85 | 2015-01-17 18:49:37 -0800 | [diff] [blame] | 939 | /* Previous command has read the data through out. */ |
Dudley Du | 9489761 | 2015-07-20 16:49:06 -0700 | [diff] [blame] | 940 | if (reg_data[PIP_RESP_REPORT_ID_OFFSET] == |
| 941 | PIP_BL_RESP_REPORT_ID) { |
Dudley Du | 6972a85 | 2015-01-17 18:49:37 -0800 | [diff] [blame] | 942 | /* Gen5 BL command response data detected */ |
| 943 | cyapa->gen = CYAPA_GEN5; |
| 944 | cyapa->state = CYAPA_STATE_GEN5_BL; |
| 945 | } else { |
| 946 | /* Gen5 APP command response data detected */ |
| 947 | cyapa->gen = CYAPA_GEN5; |
| 948 | cyapa->state = CYAPA_STATE_GEN5_APP; |
| 949 | } |
Dudley Du | 9489761 | 2015-07-20 16:49:06 -0700 | [diff] [blame] | 950 | } else if ((pip->empty_buf[PIP_RESP_REPORT_ID_OFFSET] == |
| 951 | PIP_BL_RESP_REPORT_ID) && |
| 952 | (pip->empty_buf[PIP_RESP_RSVD_OFFSET] == |
| 953 | PIP_RESP_RSVD_KEY) && |
| 954 | (pip->empty_buf[PIP_RESP_BL_SOP_OFFSET] == |
| 955 | PIP_SOP_KEY) && |
| 956 | (pip->empty_buf[length - 1] == |
| 957 | PIP_EOP_KEY)) { |
Dudley Du | 6972a85 | 2015-01-17 18:49:37 -0800 | [diff] [blame] | 958 | /* Gen5 BL command response data detected */ |
| 959 | cyapa->gen = CYAPA_GEN5; |
| 960 | cyapa->state = CYAPA_STATE_GEN5_BL; |
Dudley Du | 9489761 | 2015-07-20 16:49:06 -0700 | [diff] [blame] | 961 | } else if (pip->empty_buf[PIP_RESP_REPORT_ID_OFFSET] == |
| 962 | PIP_APP_RESP_REPORT_ID && |
| 963 | pip->empty_buf[PIP_RESP_RSVD_OFFSET] == |
| 964 | PIP_RESP_RSVD_KEY) { |
Dudley Du | 6972a85 | 2015-01-17 18:49:37 -0800 | [diff] [blame] | 965 | /* Gen5 APP command response data detected */ |
| 966 | cyapa->gen = CYAPA_GEN5; |
| 967 | cyapa->state = CYAPA_STATE_GEN5_APP; |
| 968 | } else { |
| 969 | /* Should not happen!!! */ |
| 970 | cyapa->state = CYAPA_STATE_NO_DEVICE; |
| 971 | } |
| 972 | |
| 973 | return 0; |
| 974 | } |
| 975 | |
| 976 | static int cyapa_gen5_state_parse(struct cyapa *cyapa, u8 *reg_data, int len) |
| 977 | { |
| 978 | int length; |
| 979 | |
| 980 | if (!reg_data || len < 3) |
| 981 | return -EINVAL; |
| 982 | |
| 983 | cyapa->state = CYAPA_STATE_NO_DEVICE; |
| 984 | |
| 985 | /* Parse based on Gen5 characteristic registers and bits */ |
Dudley Du | 9489761 | 2015-07-20 16:49:06 -0700 | [diff] [blame] | 986 | length = get_unaligned_le16(®_data[PIP_RESP_LENGTH_OFFSET]); |
| 987 | if (length == 0 || length == PIP_RESP_LENGTH_SIZE) { |
Dudley Du | 6972a85 | 2015-01-17 18:49:37 -0800 | [diff] [blame] | 988 | gen5_idle_state_parse(cyapa); |
Dudley Du | 9489761 | 2015-07-20 16:49:06 -0700 | [diff] [blame] | 989 | } else if (length == PIP_HID_DESCRIPTOR_SIZE && |
| 990 | (reg_data[2] == PIP_HID_BL_REPORT_ID || |
| 991 | reg_data[2] == PIP_HID_APP_REPORT_ID)) { |
Dudley Du | 6972a85 | 2015-01-17 18:49:37 -0800 | [diff] [blame] | 992 | gen5_hid_description_header_parse(cyapa, reg_data); |
| 993 | } else if ((length == GEN5_APP_REPORT_DESCRIPTOR_SIZE || |
| 994 | length == GEN5_APP_CONTRACT_REPORT_DESCRIPTOR_SIZE) && |
| 995 | reg_data[2] == GEN5_APP_REPORT_DESCRIPTOR_ID) { |
| 996 | /* 0xEE 0x00 0xF6 is Gen5 APP report description header. */ |
| 997 | cyapa->gen = CYAPA_GEN5; |
| 998 | cyapa->state = CYAPA_STATE_GEN5_APP; |
| 999 | } else if (length == GEN5_BL_REPORT_DESCRIPTOR_SIZE && |
| 1000 | reg_data[2] == GEN5_BL_REPORT_DESCRIPTOR_ID) { |
Dudley Du | 9489761 | 2015-07-20 16:49:06 -0700 | [diff] [blame] | 1001 | /* 0x1D 0x00 0xFE is Gen5 BL report descriptor header. */ |
Dudley Du | 6972a85 | 2015-01-17 18:49:37 -0800 | [diff] [blame] | 1002 | cyapa->gen = CYAPA_GEN5; |
| 1003 | cyapa->state = CYAPA_STATE_GEN5_BL; |
Dudley Du | 9489761 | 2015-07-20 16:49:06 -0700 | [diff] [blame] | 1004 | } else if (reg_data[2] == PIP_TOUCH_REPORT_ID || |
| 1005 | reg_data[2] == PIP_BTN_REPORT_ID || |
Dudley Du | 6972a85 | 2015-01-17 18:49:37 -0800 | [diff] [blame] | 1006 | reg_data[2] == GEN5_OLD_PUSH_BTN_REPORT_ID || |
Dudley Du | 9489761 | 2015-07-20 16:49:06 -0700 | [diff] [blame] | 1007 | reg_data[2] == PIP_PUSH_BTN_REPORT_ID || |
| 1008 | reg_data[2] == PIP_WAKEUP_EVENT_REPORT_ID) { |
Dudley Du | 6972a85 | 2015-01-17 18:49:37 -0800 | [diff] [blame] | 1009 | gen5_report_data_header_parse(cyapa, reg_data); |
Dudley Du | 9489761 | 2015-07-20 16:49:06 -0700 | [diff] [blame] | 1010 | } else if (reg_data[2] == PIP_BL_RESP_REPORT_ID || |
| 1011 | reg_data[2] == PIP_APP_RESP_REPORT_ID) { |
Dudley Du | 6972a85 | 2015-01-17 18:49:37 -0800 | [diff] [blame] | 1012 | gen5_cmd_resp_header_parse(cyapa, reg_data); |
| 1013 | } |
| 1014 | |
| 1015 | if (cyapa->gen == CYAPA_GEN5) { |
| 1016 | /* |
| 1017 | * Must read the content (e.g.: report description and so on) |
| 1018 | * from trackpad device throughout. Otherwise, |
| 1019 | * Gen5 trackpad cannot response to next command or |
| 1020 | * report any touch or button data later. |
| 1021 | */ |
| 1022 | cyapa_empty_pip_output_data(cyapa, NULL, NULL, NULL); |
| 1023 | |
| 1024 | if (cyapa->state == CYAPA_STATE_GEN5_APP || |
| 1025 | cyapa->state == CYAPA_STATE_GEN5_BL) |
| 1026 | return 0; |
| 1027 | } |
| 1028 | |
| 1029 | return -EAGAIN; |
| 1030 | } |
| 1031 | |
Dudley Du | 9489761 | 2015-07-20 16:49:06 -0700 | [diff] [blame] | 1032 | static struct cyapa_tsg_bin_image_data_record * |
| 1033 | cyapa_get_image_record_data_num(const struct firmware *fw, |
| 1034 | int *record_num) |
Dudley Du | 5812d30 | 2015-01-17 22:14:48 -0800 | [diff] [blame] | 1035 | { |
Dudley Du | 9489761 | 2015-07-20 16:49:06 -0700 | [diff] [blame] | 1036 | int head_size; |
| 1037 | |
| 1038 | head_size = fw->data[0] + 1; |
| 1039 | *record_num = (fw->size - head_size) / |
| 1040 | sizeof(struct cyapa_tsg_bin_image_data_record); |
| 1041 | return (struct cyapa_tsg_bin_image_data_record *)&fw->data[head_size]; |
| 1042 | } |
| 1043 | |
| 1044 | int cyapa_pip_bl_initiate(struct cyapa *cyapa, const struct firmware *fw) |
| 1045 | { |
| 1046 | struct cyapa_tsg_bin_image_data_record *image_records; |
| 1047 | struct pip_bl_cmd_head *bl_cmd_head; |
| 1048 | struct pip_bl_packet_start *bl_packet_start; |
| 1049 | struct pip_bl_initiate_cmd_data *cmd_data; |
| 1050 | struct pip_bl_packet_end *bl_packet_end; |
Dudley Du | 5812d30 | 2015-01-17 22:14:48 -0800 | [diff] [blame] | 1051 | u8 cmd[CYAPA_TSG_MAX_CMD_SIZE]; |
| 1052 | int cmd_len; |
| 1053 | u16 cmd_data_len; |
| 1054 | u16 cmd_crc = 0; |
| 1055 | u16 meta_data_crc = 0; |
| 1056 | u8 resp_data[11]; |
| 1057 | int resp_len; |
| 1058 | int records_num; |
| 1059 | u8 *data; |
| 1060 | int error; |
| 1061 | |
| 1062 | /* Try to dump all buffered report data before any send command. */ |
| 1063 | cyapa_empty_pip_output_data(cyapa, NULL, NULL, NULL); |
| 1064 | |
| 1065 | memset(cmd, 0, CYAPA_TSG_MAX_CMD_SIZE); |
Dudley Du | 9489761 | 2015-07-20 16:49:06 -0700 | [diff] [blame] | 1066 | bl_cmd_head = (struct pip_bl_cmd_head *)cmd; |
Dudley Du | 5812d30 | 2015-01-17 22:14:48 -0800 | [diff] [blame] | 1067 | cmd_data_len = CYAPA_TSG_BL_KEY_SIZE + CYAPA_TSG_FLASH_MAP_BLOCK_SIZE; |
Dudley Du | 9489761 | 2015-07-20 16:49:06 -0700 | [diff] [blame] | 1068 | cmd_len = sizeof(struct pip_bl_cmd_head) + cmd_data_len + |
| 1069 | sizeof(struct pip_bl_packet_end); |
Dudley Du | 5812d30 | 2015-01-17 22:14:48 -0800 | [diff] [blame] | 1070 | |
Dudley Du | 9489761 | 2015-07-20 16:49:06 -0700 | [diff] [blame] | 1071 | put_unaligned_le16(PIP_OUTPUT_REPORT_ADDR, &bl_cmd_head->addr); |
Dudley Du | 5812d30 | 2015-01-17 22:14:48 -0800 | [diff] [blame] | 1072 | put_unaligned_le16(cmd_len - 2, &bl_cmd_head->length); |
Dudley Du | 9489761 | 2015-07-20 16:49:06 -0700 | [diff] [blame] | 1073 | bl_cmd_head->report_id = PIP_BL_CMD_REPORT_ID; |
Dudley Du | 5812d30 | 2015-01-17 22:14:48 -0800 | [diff] [blame] | 1074 | |
| 1075 | bl_packet_start = &bl_cmd_head->packet_start; |
Dudley Du | 9489761 | 2015-07-20 16:49:06 -0700 | [diff] [blame] | 1076 | bl_packet_start->sop = PIP_SOP_KEY; |
| 1077 | bl_packet_start->cmd_code = PIP_BL_CMD_INITIATE_BL; |
Dudley Du | 5812d30 | 2015-01-17 22:14:48 -0800 | [diff] [blame] | 1078 | /* 8 key bytes and 128 bytes block size */ |
| 1079 | put_unaligned_le16(cmd_data_len, &bl_packet_start->data_length); |
| 1080 | |
Dudley Du | 9489761 | 2015-07-20 16:49:06 -0700 | [diff] [blame] | 1081 | cmd_data = (struct pip_bl_initiate_cmd_data *)bl_cmd_head->data; |
| 1082 | memcpy(cmd_data->key, cyapa_pip_bl_cmd_key, CYAPA_TSG_BL_KEY_SIZE); |
Dudley Du | 5812d30 | 2015-01-17 22:14:48 -0800 | [diff] [blame] | 1083 | |
Dudley Du | 9489761 | 2015-07-20 16:49:06 -0700 | [diff] [blame] | 1084 | image_records = cyapa_get_image_record_data_num(fw, &records_num); |
| 1085 | |
Dudley Du | 5812d30 | 2015-01-17 22:14:48 -0800 | [diff] [blame] | 1086 | /* APP_INTEGRITY row is always the last row block */ |
Dudley Du | 9489761 | 2015-07-20 16:49:06 -0700 | [diff] [blame] | 1087 | data = image_records[records_num - 1].record_data; |
Dudley Du | 5812d30 | 2015-01-17 22:14:48 -0800 | [diff] [blame] | 1088 | memcpy(cmd_data->metadata_raw_parameter, data, |
| 1089 | CYAPA_TSG_FLASH_MAP_METADATA_SIZE); |
| 1090 | |
| 1091 | meta_data_crc = crc_itu_t(0xffff, cmd_data->metadata_raw_parameter, |
| 1092 | CYAPA_TSG_FLASH_MAP_METADATA_SIZE); |
| 1093 | put_unaligned_le16(meta_data_crc, &cmd_data->metadata_crc); |
| 1094 | |
Dudley Du | 9489761 | 2015-07-20 16:49:06 -0700 | [diff] [blame] | 1095 | bl_packet_end = (struct pip_bl_packet_end *)(bl_cmd_head->data + |
Dudley Du | 5812d30 | 2015-01-17 22:14:48 -0800 | [diff] [blame] | 1096 | cmd_data_len); |
| 1097 | cmd_crc = crc_itu_t(0xffff, (u8 *)bl_packet_start, |
Dudley Du | 9489761 | 2015-07-20 16:49:06 -0700 | [diff] [blame] | 1098 | sizeof(struct pip_bl_packet_start) + cmd_data_len); |
Dudley Du | 5812d30 | 2015-01-17 22:14:48 -0800 | [diff] [blame] | 1099 | put_unaligned_le16(cmd_crc, &bl_packet_end->crc); |
Dudley Du | 9489761 | 2015-07-20 16:49:06 -0700 | [diff] [blame] | 1100 | bl_packet_end->eop = PIP_EOP_KEY; |
Dudley Du | 5812d30 | 2015-01-17 22:14:48 -0800 | [diff] [blame] | 1101 | |
| 1102 | resp_len = sizeof(resp_data); |
| 1103 | error = cyapa_i2c_pip_cmd_irq_sync(cyapa, |
| 1104 | cmd, cmd_len, |
| 1105 | resp_data, &resp_len, 12000, |
Dudley Du | 9489761 | 2015-07-20 16:49:06 -0700 | [diff] [blame] | 1106 | cyapa_sort_tsg_pip_bl_resp_data, true); |
| 1107 | if (error || resp_len != PIP_BL_INITIATE_RESP_LEN || |
| 1108 | resp_data[2] != PIP_BL_RESP_REPORT_ID || |
| 1109 | !PIP_CMD_COMPLETE_SUCCESS(resp_data)) |
Dudley Du | 5812d30 | 2015-01-17 22:14:48 -0800 | [diff] [blame] | 1110 | return error ? error : -EAGAIN; |
| 1111 | |
| 1112 | return 0; |
| 1113 | } |
| 1114 | |
Dudley Du | 9489761 | 2015-07-20 16:49:06 -0700 | [diff] [blame] | 1115 | static bool cyapa_sort_pip_bl_exit_data(struct cyapa *cyapa, u8 *buf, int len) |
Dudley Du | 6972a85 | 2015-01-17 18:49:37 -0800 | [diff] [blame] | 1116 | { |
Dudley Du | 9489761 | 2015-07-20 16:49:06 -0700 | [diff] [blame] | 1117 | if (buf == NULL || len < PIP_RESP_LENGTH_SIZE) |
Dudley Du | 6972a85 | 2015-01-17 18:49:37 -0800 | [diff] [blame] | 1118 | return false; |
| 1119 | |
| 1120 | if (buf[0] == 0 && buf[1] == 0) |
| 1121 | return true; |
| 1122 | |
| 1123 | /* Exit bootloader failed for some reason. */ |
Dudley Du | 9489761 | 2015-07-20 16:49:06 -0700 | [diff] [blame] | 1124 | if (len == PIP_BL_FAIL_EXIT_RESP_LEN && |
| 1125 | buf[PIP_RESP_REPORT_ID_OFFSET] == |
| 1126 | PIP_BL_RESP_REPORT_ID && |
| 1127 | buf[PIP_RESP_RSVD_OFFSET] == PIP_RESP_RSVD_KEY && |
| 1128 | buf[PIP_RESP_BL_SOP_OFFSET] == PIP_SOP_KEY && |
| 1129 | buf[10] == PIP_EOP_KEY) |
Dudley Du | 6972a85 | 2015-01-17 18:49:37 -0800 | [diff] [blame] | 1130 | return true; |
| 1131 | |
| 1132 | return false; |
| 1133 | } |
| 1134 | |
Dudley Du | 9489761 | 2015-07-20 16:49:06 -0700 | [diff] [blame] | 1135 | int cyapa_pip_bl_exit(struct cyapa *cyapa) |
Dudley Du | 6972a85 | 2015-01-17 18:49:37 -0800 | [diff] [blame] | 1136 | { |
| 1137 | |
| 1138 | u8 bl_gen5_bl_exit[] = { 0x04, 0x00, |
| 1139 | 0x0B, 0x00, 0x40, 0x00, 0x01, 0x3b, 0x00, 0x00, |
| 1140 | 0x20, 0xc7, 0x17 |
| 1141 | }; |
| 1142 | u8 resp_data[11]; |
| 1143 | int resp_len; |
| 1144 | int error; |
| 1145 | |
| 1146 | resp_len = sizeof(resp_data); |
| 1147 | error = cyapa_i2c_pip_cmd_irq_sync(cyapa, |
| 1148 | bl_gen5_bl_exit, sizeof(bl_gen5_bl_exit), |
| 1149 | resp_data, &resp_len, |
Dudley Du | 9489761 | 2015-07-20 16:49:06 -0700 | [diff] [blame] | 1150 | 5000, cyapa_sort_pip_bl_exit_data, false); |
Dudley Du | 6972a85 | 2015-01-17 18:49:37 -0800 | [diff] [blame] | 1151 | if (error) |
| 1152 | return error; |
| 1153 | |
Dudley Du | 9489761 | 2015-07-20 16:49:06 -0700 | [diff] [blame] | 1154 | if (resp_len == PIP_BL_FAIL_EXIT_RESP_LEN || |
| 1155 | resp_data[PIP_RESP_REPORT_ID_OFFSET] == |
| 1156 | PIP_BL_RESP_REPORT_ID) |
Dudley Du | 6972a85 | 2015-01-17 18:49:37 -0800 | [diff] [blame] | 1157 | return -EAGAIN; |
| 1158 | |
| 1159 | if (resp_data[0] == 0x00 && resp_data[1] == 0x00) |
| 1160 | return 0; |
| 1161 | |
| 1162 | return -ENODEV; |
| 1163 | } |
| 1164 | |
Dudley Du | 9489761 | 2015-07-20 16:49:06 -0700 | [diff] [blame] | 1165 | int cyapa_pip_bl_enter(struct cyapa *cyapa) |
Dudley Du | 5812d30 | 2015-01-17 22:14:48 -0800 | [diff] [blame] | 1166 | { |
| 1167 | u8 cmd[] = { 0x04, 0x00, 0x05, 0x00, 0x2F, 0x00, 0x01 }; |
| 1168 | u8 resp_data[2]; |
| 1169 | int resp_len; |
| 1170 | int error; |
| 1171 | |
| 1172 | error = cyapa_poll_state(cyapa, 500); |
| 1173 | if (error < 0) |
| 1174 | return error; |
Dudley Du | 5812d30 | 2015-01-17 22:14:48 -0800 | [diff] [blame] | 1175 | |
Dudley Du | 9489761 | 2015-07-20 16:49:06 -0700 | [diff] [blame] | 1176 | /* Already in bootloader mode, Skipping exit. */ |
| 1177 | if (cyapa_is_pip_bl_mode(cyapa)) |
Dudley Du | 5812d30 | 2015-01-17 22:14:48 -0800 | [diff] [blame] | 1178 | return 0; |
Dudley Du | 9489761 | 2015-07-20 16:49:06 -0700 | [diff] [blame] | 1179 | else if (!cyapa_is_pip_app_mode(cyapa)) |
| 1180 | return -EINVAL; |
Dudley Du | 5812d30 | 2015-01-17 22:14:48 -0800 | [diff] [blame] | 1181 | |
| 1182 | /* Try to dump all buffered report data before any send command. */ |
| 1183 | cyapa_empty_pip_output_data(cyapa, NULL, NULL, NULL); |
| 1184 | |
| 1185 | /* |
| 1186 | * Send bootloader enter command to trackpad device, |
| 1187 | * after enter bootloader, the response data is two bytes of 0x00 0x00. |
| 1188 | */ |
| 1189 | resp_len = sizeof(resp_data); |
| 1190 | memset(resp_data, 0, resp_len); |
| 1191 | error = cyapa_i2c_pip_cmd_irq_sync(cyapa, |
| 1192 | cmd, sizeof(cmd), |
| 1193 | resp_data, &resp_len, |
Dudley Du | 9489761 | 2015-07-20 16:49:06 -0700 | [diff] [blame] | 1194 | 5000, cyapa_sort_pip_application_launch_data, |
Dudley Du | 5812d30 | 2015-01-17 22:14:48 -0800 | [diff] [blame] | 1195 | true); |
| 1196 | if (error || resp_data[0] != 0x00 || resp_data[1] != 0x00) |
| 1197 | return error < 0 ? error : -EAGAIN; |
| 1198 | |
| 1199 | cyapa->operational = false; |
Dudley Du | 9489761 | 2015-07-20 16:49:06 -0700 | [diff] [blame] | 1200 | if (cyapa->gen == CYAPA_GEN5) |
| 1201 | cyapa->state = CYAPA_STATE_GEN5_BL; |
Dudley Du | c2c06c4 | 2015-07-20 16:53:30 -0700 | [diff] [blame] | 1202 | else if (cyapa->gen == CYAPA_GEN6) |
| 1203 | cyapa->state = CYAPA_STATE_GEN6_BL; |
| 1204 | return 0; |
| 1205 | } |
| 1206 | |
| 1207 | static int cyapa_pip_fw_head_check(struct cyapa *cyapa, |
| 1208 | struct cyapa_tsg_bin_image_head *image_head) |
| 1209 | { |
| 1210 | if (image_head->head_size != 0x0C && image_head->head_size != 0x12) |
| 1211 | return -EINVAL; |
| 1212 | |
| 1213 | switch (cyapa->gen) { |
| 1214 | case CYAPA_GEN6: |
| 1215 | if (image_head->family_id != 0x9B || |
| 1216 | image_head->silicon_id_hi != 0x0B) |
| 1217 | return -EINVAL; |
| 1218 | break; |
| 1219 | case CYAPA_GEN5: |
| 1220 | /* Gen5 without proximity support. */ |
| 1221 | if (cyapa->platform_ver < 2) { |
| 1222 | if (image_head->head_size == 0x0C) |
| 1223 | break; |
| 1224 | return -EINVAL; |
| 1225 | } |
| 1226 | |
| 1227 | if (image_head->family_id != 0x91 || |
| 1228 | image_head->silicon_id_hi != 0x02) |
| 1229 | return -EINVAL; |
| 1230 | break; |
| 1231 | default: |
| 1232 | return -EINVAL; |
| 1233 | } |
| 1234 | |
Dudley Du | 5812d30 | 2015-01-17 22:14:48 -0800 | [diff] [blame] | 1235 | return 0; |
| 1236 | } |
| 1237 | |
Dudley Du | 9489761 | 2015-07-20 16:49:06 -0700 | [diff] [blame] | 1238 | int cyapa_pip_check_fw(struct cyapa *cyapa, const struct firmware *fw) |
Dudley Du | 5812d30 | 2015-01-17 22:14:48 -0800 | [diff] [blame] | 1239 | { |
| 1240 | struct device *dev = &cyapa->client->dev; |
Dudley Du | 9489761 | 2015-07-20 16:49:06 -0700 | [diff] [blame] | 1241 | struct cyapa_tsg_bin_image_data_record *image_records; |
Dmitry Torokhov | 2be7256 | 2015-01-19 15:59:31 -0800 | [diff] [blame] | 1242 | const struct cyapa_tsg_bin_image_data_record *app_integrity; |
Dudley Du | 9489761 | 2015-07-20 16:49:06 -0700 | [diff] [blame] | 1243 | const struct tsg_bl_metadata_row_params *metadata; |
| 1244 | int flash_records_count; |
Dmitry Torokhov | 2be7256 | 2015-01-19 15:59:31 -0800 | [diff] [blame] | 1245 | u32 fw_app_start, fw_upgrade_start; |
| 1246 | u16 fw_app_len, fw_upgrade_len; |
| 1247 | u16 app_crc; |
| 1248 | u16 app_integrity_crc; |
Dudley Du | 5812d30 | 2015-01-17 22:14:48 -0800 | [diff] [blame] | 1249 | int i; |
| 1250 | |
Dudley Du | c2c06c4 | 2015-07-20 16:53:30 -0700 | [diff] [blame] | 1251 | /* Verify the firmware image not miss-used for Gen5 and Gen6. */ |
| 1252 | if (cyapa_pip_fw_head_check(cyapa, |
| 1253 | (struct cyapa_tsg_bin_image_head *)fw->data)) { |
| 1254 | dev_err(dev, "%s: firmware image not match TP device.\n", |
| 1255 | __func__); |
| 1256 | return -EINVAL; |
| 1257 | } |
| 1258 | |
Dudley Du | 9489761 | 2015-07-20 16:49:06 -0700 | [diff] [blame] | 1259 | image_records = |
| 1260 | cyapa_get_image_record_data_num(fw, &flash_records_count); |
Dudley Du | 5812d30 | 2015-01-17 22:14:48 -0800 | [diff] [blame] | 1261 | |
Dmitry Torokhov | 2be7256 | 2015-01-19 15:59:31 -0800 | [diff] [blame] | 1262 | /* |
| 1263 | * APP_INTEGRITY row is always the last row block, |
| 1264 | * and the row id must be 0x01ff. |
| 1265 | */ |
Dudley Du | 9489761 | 2015-07-20 16:49:06 -0700 | [diff] [blame] | 1266 | app_integrity = &image_records[flash_records_count - 1]; |
Dmitry Torokhov | 2be7256 | 2015-01-19 15:59:31 -0800 | [diff] [blame] | 1267 | |
| 1268 | if (app_integrity->flash_array_id != 0x00 || |
| 1269 | get_unaligned_be16(&app_integrity->row_number) != 0x01ff) { |
Dudley Du | 5812d30 | 2015-01-17 22:14:48 -0800 | [diff] [blame] | 1270 | dev_err(dev, "%s: invalid app_integrity data.\n", __func__); |
| 1271 | return -EINVAL; |
| 1272 | } |
Dudley Du | 5812d30 | 2015-01-17 22:14:48 -0800 | [diff] [blame] | 1273 | |
Dmitry Torokhov | 2be7256 | 2015-01-19 15:59:31 -0800 | [diff] [blame] | 1274 | metadata = (const void *)app_integrity->record_data; |
Dudley Du | 5812d30 | 2015-01-17 22:14:48 -0800 | [diff] [blame] | 1275 | |
Dmitry Torokhov | 2be7256 | 2015-01-19 15:59:31 -0800 | [diff] [blame] | 1276 | /* Verify app_integrity crc */ |
| 1277 | app_integrity_crc = crc_itu_t(0xffff, app_integrity->record_data, |
| 1278 | CYAPA_TSG_APP_INTEGRITY_SIZE); |
| 1279 | if (app_integrity_crc != get_unaligned_le16(&metadata->metadata_crc)) { |
| 1280 | dev_err(dev, "%s: invalid app_integrity crc.\n", __func__); |
Dudley Du | 5812d30 | 2015-01-17 22:14:48 -0800 | [diff] [blame] | 1281 | return -EINVAL; |
| 1282 | } |
| 1283 | |
Dmitry Torokhov | 2be7256 | 2015-01-19 15:59:31 -0800 | [diff] [blame] | 1284 | fw_app_start = get_unaligned_le32(&metadata->app_start); |
| 1285 | fw_app_len = get_unaligned_le16(&metadata->app_len); |
| 1286 | fw_upgrade_start = get_unaligned_le32(&metadata->upgrade_start); |
| 1287 | fw_upgrade_len = get_unaligned_le16(&metadata->upgrade_len); |
| 1288 | |
| 1289 | if (fw_app_start % CYAPA_TSG_FW_ROW_SIZE || |
| 1290 | fw_app_len % CYAPA_TSG_FW_ROW_SIZE || |
| 1291 | fw_upgrade_start % CYAPA_TSG_FW_ROW_SIZE || |
| 1292 | fw_upgrade_len % CYAPA_TSG_FW_ROW_SIZE) { |
| 1293 | dev_err(dev, "%s: invalid image alignment.\n", __func__); |
Dudley Du | 5812d30 | 2015-01-17 22:14:48 -0800 | [diff] [blame] | 1294 | return -EINVAL; |
| 1295 | } |
| 1296 | |
Dudley Du | 9489761 | 2015-07-20 16:49:06 -0700 | [diff] [blame] | 1297 | /* Verify application image CRC. */ |
Dmitry Torokhov | 2be7256 | 2015-01-19 15:59:31 -0800 | [diff] [blame] | 1298 | app_crc = 0xffffU; |
| 1299 | for (i = 0; i < fw_app_len / CYAPA_TSG_FW_ROW_SIZE; i++) { |
Dudley Du | 9489761 | 2015-07-20 16:49:06 -0700 | [diff] [blame] | 1300 | const u8 *data = image_records[i].record_data; |
| 1301 | |
Dudley Du | 5812d30 | 2015-01-17 22:14:48 -0800 | [diff] [blame] | 1302 | app_crc = crc_itu_t(app_crc, data, CYAPA_TSG_FW_ROW_SIZE); |
| 1303 | } |
| 1304 | |
Dmitry Torokhov | 2be7256 | 2015-01-19 15:59:31 -0800 | [diff] [blame] | 1305 | if (app_crc != get_unaligned_le16(&metadata->app_crc)) { |
Dudley Du | 5812d30 | 2015-01-17 22:14:48 -0800 | [diff] [blame] | 1306 | dev_err(dev, "%s: invalid firmware app crc check.\n", __func__); |
| 1307 | return -EINVAL; |
| 1308 | } |
| 1309 | |
| 1310 | return 0; |
| 1311 | } |
| 1312 | |
Dudley Du | 9489761 | 2015-07-20 16:49:06 -0700 | [diff] [blame] | 1313 | static int cyapa_pip_write_fw_block(struct cyapa *cyapa, |
Dudley Du | 5812d30 | 2015-01-17 22:14:48 -0800 | [diff] [blame] | 1314 | struct cyapa_tsg_bin_image_data_record *flash_record) |
| 1315 | { |
Dudley Du | 9489761 | 2015-07-20 16:49:06 -0700 | [diff] [blame] | 1316 | struct pip_bl_cmd_head *bl_cmd_head; |
| 1317 | struct pip_bl_packet_start *bl_packet_start; |
| 1318 | struct tsg_bl_flash_row_head *flash_row_head; |
| 1319 | struct pip_bl_packet_end *bl_packet_end; |
Dudley Du | 5812d30 | 2015-01-17 22:14:48 -0800 | [diff] [blame] | 1320 | u8 cmd[CYAPA_TSG_MAX_CMD_SIZE]; |
| 1321 | u16 cmd_len; |
| 1322 | u8 flash_array_id; |
| 1323 | u16 flash_row_id; |
| 1324 | u16 record_len; |
| 1325 | u8 *record_data; |
| 1326 | u16 data_len; |
| 1327 | u16 crc; |
| 1328 | u8 resp_data[11]; |
| 1329 | int resp_len; |
| 1330 | int error; |
| 1331 | |
| 1332 | flash_array_id = flash_record->flash_array_id; |
| 1333 | flash_row_id = get_unaligned_be16(&flash_record->row_number); |
| 1334 | record_len = get_unaligned_be16(&flash_record->record_len); |
| 1335 | record_data = flash_record->record_data; |
| 1336 | |
| 1337 | memset(cmd, 0, CYAPA_TSG_MAX_CMD_SIZE); |
Dudley Du | 9489761 | 2015-07-20 16:49:06 -0700 | [diff] [blame] | 1338 | bl_cmd_head = (struct pip_bl_cmd_head *)cmd; |
Dudley Du | 5812d30 | 2015-01-17 22:14:48 -0800 | [diff] [blame] | 1339 | bl_packet_start = &bl_cmd_head->packet_start; |
Dudley Du | 9489761 | 2015-07-20 16:49:06 -0700 | [diff] [blame] | 1340 | cmd_len = sizeof(struct pip_bl_cmd_head) + |
| 1341 | sizeof(struct tsg_bl_flash_row_head) + |
Dudley Du | 5812d30 | 2015-01-17 22:14:48 -0800 | [diff] [blame] | 1342 | CYAPA_TSG_FLASH_MAP_BLOCK_SIZE + |
Dudley Du | 9489761 | 2015-07-20 16:49:06 -0700 | [diff] [blame] | 1343 | sizeof(struct pip_bl_packet_end); |
Dudley Du | 5812d30 | 2015-01-17 22:14:48 -0800 | [diff] [blame] | 1344 | |
Dudley Du | 9489761 | 2015-07-20 16:49:06 -0700 | [diff] [blame] | 1345 | put_unaligned_le16(PIP_OUTPUT_REPORT_ADDR, &bl_cmd_head->addr); |
Dudley Du | 5812d30 | 2015-01-17 22:14:48 -0800 | [diff] [blame] | 1346 | /* Don't include 2 bytes register address */ |
| 1347 | put_unaligned_le16(cmd_len - 2, &bl_cmd_head->length); |
Dudley Du | 9489761 | 2015-07-20 16:49:06 -0700 | [diff] [blame] | 1348 | bl_cmd_head->report_id = PIP_BL_CMD_REPORT_ID; |
| 1349 | bl_packet_start->sop = PIP_SOP_KEY; |
| 1350 | bl_packet_start->cmd_code = PIP_BL_CMD_PROGRAM_VERIFY_ROW; |
Dudley Du | 5812d30 | 2015-01-17 22:14:48 -0800 | [diff] [blame] | 1351 | |
| 1352 | /* 1 (Flash Array ID) + 2 (Flash Row ID) + 128 (flash data) */ |
Dudley Du | 9489761 | 2015-07-20 16:49:06 -0700 | [diff] [blame] | 1353 | data_len = sizeof(struct tsg_bl_flash_row_head) + record_len; |
Dudley Du | 5812d30 | 2015-01-17 22:14:48 -0800 | [diff] [blame] | 1354 | put_unaligned_le16(data_len, &bl_packet_start->data_length); |
| 1355 | |
Dudley Du | 9489761 | 2015-07-20 16:49:06 -0700 | [diff] [blame] | 1356 | flash_row_head = (struct tsg_bl_flash_row_head *)bl_cmd_head->data; |
Dudley Du | 5812d30 | 2015-01-17 22:14:48 -0800 | [diff] [blame] | 1357 | flash_row_head->flash_array_id = flash_array_id; |
| 1358 | put_unaligned_le16(flash_row_id, &flash_row_head->flash_row_id); |
| 1359 | memcpy(flash_row_head->flash_data, record_data, record_len); |
| 1360 | |
Dudley Du | 9489761 | 2015-07-20 16:49:06 -0700 | [diff] [blame] | 1361 | bl_packet_end = (struct pip_bl_packet_end *)(bl_cmd_head->data + |
Dudley Du | 5812d30 | 2015-01-17 22:14:48 -0800 | [diff] [blame] | 1362 | data_len); |
| 1363 | crc = crc_itu_t(0xffff, (u8 *)bl_packet_start, |
Dudley Du | 9489761 | 2015-07-20 16:49:06 -0700 | [diff] [blame] | 1364 | sizeof(struct pip_bl_packet_start) + data_len); |
Dudley Du | 5812d30 | 2015-01-17 22:14:48 -0800 | [diff] [blame] | 1365 | put_unaligned_le16(crc, &bl_packet_end->crc); |
Dudley Du | 9489761 | 2015-07-20 16:49:06 -0700 | [diff] [blame] | 1366 | bl_packet_end->eop = PIP_EOP_KEY; |
Dudley Du | 5812d30 | 2015-01-17 22:14:48 -0800 | [diff] [blame] | 1367 | |
| 1368 | resp_len = sizeof(resp_data); |
| 1369 | error = cyapa_i2c_pip_cmd_irq_sync(cyapa, cmd, cmd_len, |
| 1370 | resp_data, &resp_len, |
Dudley Du | 9489761 | 2015-07-20 16:49:06 -0700 | [diff] [blame] | 1371 | 500, cyapa_sort_tsg_pip_bl_resp_data, true); |
| 1372 | if (error || resp_len != PIP_BL_BLOCK_WRITE_RESP_LEN || |
| 1373 | resp_data[2] != PIP_BL_RESP_REPORT_ID || |
| 1374 | !PIP_CMD_COMPLETE_SUCCESS(resp_data)) |
Dudley Du | 5812d30 | 2015-01-17 22:14:48 -0800 | [diff] [blame] | 1375 | return error < 0 ? error : -EAGAIN; |
| 1376 | |
| 1377 | return 0; |
| 1378 | } |
| 1379 | |
Dudley Du | 9489761 | 2015-07-20 16:49:06 -0700 | [diff] [blame] | 1380 | int cyapa_pip_do_fw_update(struct cyapa *cyapa, |
Dudley Du | 5812d30 | 2015-01-17 22:14:48 -0800 | [diff] [blame] | 1381 | const struct firmware *fw) |
| 1382 | { |
| 1383 | struct device *dev = &cyapa->client->dev; |
Dudley Du | 9489761 | 2015-07-20 16:49:06 -0700 | [diff] [blame] | 1384 | struct cyapa_tsg_bin_image_data_record *image_records; |
Dudley Du | 5812d30 | 2015-01-17 22:14:48 -0800 | [diff] [blame] | 1385 | int flash_records_count; |
| 1386 | int i; |
| 1387 | int error; |
| 1388 | |
| 1389 | cyapa_empty_pip_output_data(cyapa, NULL, NULL, NULL); |
| 1390 | |
Dudley Du | 9489761 | 2015-07-20 16:49:06 -0700 | [diff] [blame] | 1391 | image_records = |
| 1392 | cyapa_get_image_record_data_num(fw, &flash_records_count); |
| 1393 | |
Dudley Du | 5812d30 | 2015-01-17 22:14:48 -0800 | [diff] [blame] | 1394 | /* |
| 1395 | * The last flash row 0x01ff has been written through bl_initiate |
| 1396 | * command, so DO NOT write flash 0x01ff to trackpad device. |
| 1397 | */ |
| 1398 | for (i = 0; i < (flash_records_count - 1); i++) { |
Dudley Du | 9489761 | 2015-07-20 16:49:06 -0700 | [diff] [blame] | 1399 | error = cyapa_pip_write_fw_block(cyapa, &image_records[i]); |
Dudley Du | 5812d30 | 2015-01-17 22:14:48 -0800 | [diff] [blame] | 1400 | if (error) { |
| 1401 | dev_err(dev, "%s: Gen5 FW update aborted: %d\n", |
| 1402 | __func__, error); |
| 1403 | return error; |
| 1404 | } |
| 1405 | } |
| 1406 | |
| 1407 | return 0; |
| 1408 | } |
| 1409 | |
Dudley Du | 6972a85 | 2015-01-17 18:49:37 -0800 | [diff] [blame] | 1410 | static int cyapa_gen5_change_power_state(struct cyapa *cyapa, u8 power_state) |
| 1411 | { |
| 1412 | u8 cmd[8] = { 0x04, 0x00, 0x06, 0x00, 0x2f, 0x00, 0x08, 0x01 }; |
| 1413 | u8 resp_data[6]; |
| 1414 | int resp_len; |
| 1415 | int error; |
| 1416 | |
| 1417 | cmd[7] = power_state; |
| 1418 | resp_len = sizeof(resp_data); |
| 1419 | error = cyapa_i2c_pip_cmd_irq_sync(cyapa, cmd, sizeof(cmd), |
| 1420 | resp_data, &resp_len, |
Dudley Du | 9489761 | 2015-07-20 16:49:06 -0700 | [diff] [blame] | 1421 | 500, cyapa_sort_tsg_pip_app_resp_data, false); |
Dudley Du | 6972a85 | 2015-01-17 18:49:37 -0800 | [diff] [blame] | 1422 | if (error || !VALID_CMD_RESP_HEADER(resp_data, 0x08) || |
Dudley Du | 9489761 | 2015-07-20 16:49:06 -0700 | [diff] [blame] | 1423 | !PIP_CMD_COMPLETE_SUCCESS(resp_data)) |
Dudley Du | 6972a85 | 2015-01-17 18:49:37 -0800 | [diff] [blame] | 1424 | return error < 0 ? error : -EINVAL; |
| 1425 | |
| 1426 | return 0; |
| 1427 | } |
| 1428 | |
| 1429 | static int cyapa_gen5_set_interval_time(struct cyapa *cyapa, |
| 1430 | u8 parameter_id, u16 interval_time) |
| 1431 | { |
Dudley Du | 9489761 | 2015-07-20 16:49:06 -0700 | [diff] [blame] | 1432 | struct pip_app_cmd_head *app_cmd_head; |
Dudley Du | 6972a85 | 2015-01-17 18:49:37 -0800 | [diff] [blame] | 1433 | struct gen5_app_set_parameter_data *parameter_data; |
| 1434 | u8 cmd[CYAPA_TSG_MAX_CMD_SIZE]; |
| 1435 | int cmd_len; |
| 1436 | u8 resp_data[7]; |
| 1437 | int resp_len; |
| 1438 | u8 parameter_size; |
| 1439 | int error; |
| 1440 | |
| 1441 | memset(cmd, 0, CYAPA_TSG_MAX_CMD_SIZE); |
Dudley Du | 9489761 | 2015-07-20 16:49:06 -0700 | [diff] [blame] | 1442 | app_cmd_head = (struct pip_app_cmd_head *)cmd; |
Dudley Du | 6972a85 | 2015-01-17 18:49:37 -0800 | [diff] [blame] | 1443 | parameter_data = (struct gen5_app_set_parameter_data *) |
| 1444 | app_cmd_head->parameter_data; |
Dudley Du | 9489761 | 2015-07-20 16:49:06 -0700 | [diff] [blame] | 1445 | cmd_len = sizeof(struct pip_app_cmd_head) + |
Dudley Du | 6972a85 | 2015-01-17 18:49:37 -0800 | [diff] [blame] | 1446 | sizeof(struct gen5_app_set_parameter_data); |
| 1447 | |
| 1448 | switch (parameter_id) { |
| 1449 | case GEN5_PARAMETER_ACT_INTERVL_ID: |
| 1450 | parameter_size = GEN5_PARAMETER_ACT_INTERVL_SIZE; |
| 1451 | break; |
| 1452 | case GEN5_PARAMETER_ACT_LFT_INTERVL_ID: |
| 1453 | parameter_size = GEN5_PARAMETER_ACT_LFT_INTERVL_SIZE; |
| 1454 | break; |
| 1455 | case GEN5_PARAMETER_LP_INTRVL_ID: |
| 1456 | parameter_size = GEN5_PARAMETER_LP_INTRVL_SIZE; |
| 1457 | break; |
| 1458 | default: |
| 1459 | return -EINVAL; |
| 1460 | } |
| 1461 | |
Dudley Du | 9489761 | 2015-07-20 16:49:06 -0700 | [diff] [blame] | 1462 | put_unaligned_le16(PIP_OUTPUT_REPORT_ADDR, &app_cmd_head->addr); |
Dudley Du | 6972a85 | 2015-01-17 18:49:37 -0800 | [diff] [blame] | 1463 | /* |
| 1464 | * Don't include unused parameter value bytes and |
| 1465 | * 2 bytes register address. |
| 1466 | */ |
| 1467 | put_unaligned_le16(cmd_len - (4 - parameter_size) - 2, |
| 1468 | &app_cmd_head->length); |
Dudley Du | 9489761 | 2015-07-20 16:49:06 -0700 | [diff] [blame] | 1469 | app_cmd_head->report_id = PIP_APP_CMD_REPORT_ID; |
Dudley Du | 6972a85 | 2015-01-17 18:49:37 -0800 | [diff] [blame] | 1470 | app_cmd_head->cmd_code = GEN5_CMD_SET_PARAMETER; |
| 1471 | parameter_data->parameter_id = parameter_id; |
| 1472 | parameter_data->parameter_size = parameter_size; |
| 1473 | put_unaligned_le32((u32)interval_time, ¶meter_data->value); |
| 1474 | resp_len = sizeof(resp_data); |
| 1475 | error = cyapa_i2c_pip_cmd_irq_sync(cyapa, cmd, cmd_len, |
| 1476 | resp_data, &resp_len, |
Dudley Du | 9489761 | 2015-07-20 16:49:06 -0700 | [diff] [blame] | 1477 | 500, cyapa_sort_tsg_pip_app_resp_data, false); |
Dudley Du | 6972a85 | 2015-01-17 18:49:37 -0800 | [diff] [blame] | 1478 | if (error || resp_data[5] != parameter_id || |
| 1479 | resp_data[6] != parameter_size || |
| 1480 | !VALID_CMD_RESP_HEADER(resp_data, GEN5_CMD_SET_PARAMETER)) |
| 1481 | return error < 0 ? error : -EINVAL; |
| 1482 | |
| 1483 | return 0; |
| 1484 | } |
| 1485 | |
| 1486 | static int cyapa_gen5_get_interval_time(struct cyapa *cyapa, |
| 1487 | u8 parameter_id, u16 *interval_time) |
| 1488 | { |
Dudley Du | 9489761 | 2015-07-20 16:49:06 -0700 | [diff] [blame] | 1489 | struct pip_app_cmd_head *app_cmd_head; |
Dudley Du | 6972a85 | 2015-01-17 18:49:37 -0800 | [diff] [blame] | 1490 | struct gen5_app_get_parameter_data *parameter_data; |
| 1491 | u8 cmd[CYAPA_TSG_MAX_CMD_SIZE]; |
| 1492 | int cmd_len; |
| 1493 | u8 resp_data[11]; |
| 1494 | int resp_len; |
| 1495 | u8 parameter_size; |
| 1496 | u16 mask, i; |
| 1497 | int error; |
| 1498 | |
| 1499 | memset(cmd, 0, CYAPA_TSG_MAX_CMD_SIZE); |
Dudley Du | 9489761 | 2015-07-20 16:49:06 -0700 | [diff] [blame] | 1500 | app_cmd_head = (struct pip_app_cmd_head *)cmd; |
Dudley Du | 6972a85 | 2015-01-17 18:49:37 -0800 | [diff] [blame] | 1501 | parameter_data = (struct gen5_app_get_parameter_data *) |
| 1502 | app_cmd_head->parameter_data; |
Dudley Du | 9489761 | 2015-07-20 16:49:06 -0700 | [diff] [blame] | 1503 | cmd_len = sizeof(struct pip_app_cmd_head) + |
Dudley Du | 6972a85 | 2015-01-17 18:49:37 -0800 | [diff] [blame] | 1504 | sizeof(struct gen5_app_get_parameter_data); |
| 1505 | |
| 1506 | *interval_time = 0; |
| 1507 | switch (parameter_id) { |
| 1508 | case GEN5_PARAMETER_ACT_INTERVL_ID: |
| 1509 | parameter_size = GEN5_PARAMETER_ACT_INTERVL_SIZE; |
| 1510 | break; |
| 1511 | case GEN5_PARAMETER_ACT_LFT_INTERVL_ID: |
| 1512 | parameter_size = GEN5_PARAMETER_ACT_LFT_INTERVL_SIZE; |
| 1513 | break; |
| 1514 | case GEN5_PARAMETER_LP_INTRVL_ID: |
| 1515 | parameter_size = GEN5_PARAMETER_LP_INTRVL_SIZE; |
| 1516 | break; |
| 1517 | default: |
| 1518 | return -EINVAL; |
| 1519 | } |
| 1520 | |
Dudley Du | 9489761 | 2015-07-20 16:49:06 -0700 | [diff] [blame] | 1521 | put_unaligned_le16(PIP_OUTPUT_REPORT_ADDR, &app_cmd_head->addr); |
Dudley Du | 6972a85 | 2015-01-17 18:49:37 -0800 | [diff] [blame] | 1522 | /* Don't include 2 bytes register address */ |
| 1523 | put_unaligned_le16(cmd_len - 2, &app_cmd_head->length); |
Dudley Du | 9489761 | 2015-07-20 16:49:06 -0700 | [diff] [blame] | 1524 | app_cmd_head->report_id = PIP_APP_CMD_REPORT_ID; |
Dudley Du | 6972a85 | 2015-01-17 18:49:37 -0800 | [diff] [blame] | 1525 | app_cmd_head->cmd_code = GEN5_CMD_GET_PARAMETER; |
| 1526 | parameter_data->parameter_id = parameter_id; |
| 1527 | |
| 1528 | resp_len = sizeof(resp_data); |
| 1529 | error = cyapa_i2c_pip_cmd_irq_sync(cyapa, cmd, cmd_len, |
| 1530 | resp_data, &resp_len, |
Dudley Du | 9489761 | 2015-07-20 16:49:06 -0700 | [diff] [blame] | 1531 | 500, cyapa_sort_tsg_pip_app_resp_data, false); |
Dudley Du | 6972a85 | 2015-01-17 18:49:37 -0800 | [diff] [blame] | 1532 | if (error || resp_data[5] != parameter_id || resp_data[6] == 0 || |
| 1533 | !VALID_CMD_RESP_HEADER(resp_data, GEN5_CMD_GET_PARAMETER)) |
| 1534 | return error < 0 ? error : -EINVAL; |
| 1535 | |
| 1536 | mask = 0; |
| 1537 | for (i = 0; i < parameter_size; i++) |
| 1538 | mask |= (0xff << (i * 8)); |
| 1539 | *interval_time = get_unaligned_le16(&resp_data[7]) & mask; |
| 1540 | |
| 1541 | return 0; |
| 1542 | } |
| 1543 | |
| 1544 | static int cyapa_gen5_disable_pip_report(struct cyapa *cyapa) |
| 1545 | { |
Dudley Du | 9489761 | 2015-07-20 16:49:06 -0700 | [diff] [blame] | 1546 | struct pip_app_cmd_head *app_cmd_head; |
Dudley Du | 6972a85 | 2015-01-17 18:49:37 -0800 | [diff] [blame] | 1547 | u8 cmd[10]; |
| 1548 | u8 resp_data[7]; |
| 1549 | int resp_len; |
| 1550 | int error; |
| 1551 | |
| 1552 | memset(cmd, 0, sizeof(cmd)); |
Dudley Du | 9489761 | 2015-07-20 16:49:06 -0700 | [diff] [blame] | 1553 | app_cmd_head = (struct pip_app_cmd_head *)cmd; |
Dudley Du | 6972a85 | 2015-01-17 18:49:37 -0800 | [diff] [blame] | 1554 | |
Dudley Du | 9489761 | 2015-07-20 16:49:06 -0700 | [diff] [blame] | 1555 | put_unaligned_le16(PIP_OUTPUT_REPORT_ADDR, &app_cmd_head->addr); |
Dudley Du | 6972a85 | 2015-01-17 18:49:37 -0800 | [diff] [blame] | 1556 | put_unaligned_le16(sizeof(cmd) - 2, &app_cmd_head->length); |
Dudley Du | 9489761 | 2015-07-20 16:49:06 -0700 | [diff] [blame] | 1557 | app_cmd_head->report_id = PIP_APP_CMD_REPORT_ID; |
Dudley Du | 6972a85 | 2015-01-17 18:49:37 -0800 | [diff] [blame] | 1558 | app_cmd_head->cmd_code = GEN5_CMD_SET_PARAMETER; |
| 1559 | app_cmd_head->parameter_data[0] = GEN5_PARAMETER_DISABLE_PIP_REPORT; |
| 1560 | app_cmd_head->parameter_data[1] = 0x01; |
| 1561 | app_cmd_head->parameter_data[2] = 0x01; |
| 1562 | resp_len = sizeof(resp_data); |
| 1563 | error = cyapa_i2c_pip_cmd_irq_sync(cyapa, cmd, sizeof(cmd), |
| 1564 | resp_data, &resp_len, |
Dudley Du | 9489761 | 2015-07-20 16:49:06 -0700 | [diff] [blame] | 1565 | 500, cyapa_sort_tsg_pip_app_resp_data, false); |
Dudley Du | 6972a85 | 2015-01-17 18:49:37 -0800 | [diff] [blame] | 1566 | if (error || resp_data[5] != GEN5_PARAMETER_DISABLE_PIP_REPORT || |
| 1567 | !VALID_CMD_RESP_HEADER(resp_data, GEN5_CMD_SET_PARAMETER) || |
| 1568 | resp_data[6] != 0x01) |
| 1569 | return error < 0 ? error : -EINVAL; |
| 1570 | |
| 1571 | return 0; |
| 1572 | } |
| 1573 | |
Dudley Du | 945525e | 2015-07-20 16:57:53 -0700 | [diff] [blame] | 1574 | int cyapa_pip_set_proximity(struct cyapa *cyapa, bool enable) |
| 1575 | { |
| 1576 | u8 cmd[] = { 0x04, 0x00, 0x06, 0x00, 0x2f, 0x00, PIP_SET_PROXIMITY, |
| 1577 | (u8)!!enable |
| 1578 | }; |
| 1579 | u8 resp_data[6]; |
| 1580 | int resp_len; |
| 1581 | int error; |
| 1582 | |
| 1583 | resp_len = sizeof(resp_data); |
| 1584 | error = cyapa_i2c_pip_cmd_irq_sync(cyapa, cmd, sizeof(cmd), |
| 1585 | resp_data, &resp_len, |
| 1586 | 500, cyapa_sort_tsg_pip_app_resp_data, false); |
| 1587 | if (error || !VALID_CMD_RESP_HEADER(resp_data, PIP_SET_PROXIMITY) || |
| 1588 | !PIP_CMD_COMPLETE_SUCCESS(resp_data)) { |
| 1589 | error = (error == -ETIMEDOUT) ? -EOPNOTSUPP : error; |
| 1590 | return error < 0 ? error : -EINVAL; |
| 1591 | } |
| 1592 | |
| 1593 | return 0; |
| 1594 | } |
| 1595 | |
Dudley Du | 9489761 | 2015-07-20 16:49:06 -0700 | [diff] [blame] | 1596 | int cyapa_pip_deep_sleep(struct cyapa *cyapa, u8 state) |
Dudley Du | 6972a85 | 2015-01-17 18:49:37 -0800 | [diff] [blame] | 1597 | { |
| 1598 | u8 cmd[] = { 0x05, 0x00, 0x00, 0x08}; |
| 1599 | u8 resp_data[5]; |
| 1600 | int resp_len; |
| 1601 | int error; |
| 1602 | |
Dudley Du | 9489761 | 2015-07-20 16:49:06 -0700 | [diff] [blame] | 1603 | cmd[2] = state & PIP_DEEP_SLEEP_STATE_MASK; |
Dudley Du | 6972a85 | 2015-01-17 18:49:37 -0800 | [diff] [blame] | 1604 | resp_len = sizeof(resp_data); |
| 1605 | error = cyapa_i2c_pip_cmd_irq_sync(cyapa, cmd, sizeof(cmd), |
| 1606 | resp_data, &resp_len, |
Dudley Du | 9489761 | 2015-07-20 16:49:06 -0700 | [diff] [blame] | 1607 | 500, cyapa_sort_pip_deep_sleep_data, false); |
| 1608 | if (error || ((resp_data[3] & PIP_DEEP_SLEEP_STATE_MASK) != state)) |
Dudley Du | 6972a85 | 2015-01-17 18:49:37 -0800 | [diff] [blame] | 1609 | return -EINVAL; |
| 1610 | |
| 1611 | return 0; |
| 1612 | } |
| 1613 | |
| 1614 | static int cyapa_gen5_set_power_mode(struct cyapa *cyapa, |
Dudley Du | 3cd4786 | 2016-03-04 11:23:09 -0800 | [diff] [blame] | 1615 | u8 power_mode, u16 sleep_time, enum cyapa_pm_stage pm_stage) |
Dudley Du | 6972a85 | 2015-01-17 18:49:37 -0800 | [diff] [blame] | 1616 | { |
| 1617 | struct device *dev = &cyapa->client->dev; |
| 1618 | u8 power_state; |
Dudley Du | 3cd4786 | 2016-03-04 11:23:09 -0800 | [diff] [blame] | 1619 | int error = 0; |
Dudley Du | 6972a85 | 2015-01-17 18:49:37 -0800 | [diff] [blame] | 1620 | |
| 1621 | if (cyapa->state != CYAPA_STATE_GEN5_APP) |
| 1622 | return 0; |
| 1623 | |
Dudley Du | 3cd4786 | 2016-03-04 11:23:09 -0800 | [diff] [blame] | 1624 | cyapa_set_pip_pm_state(cyapa, pm_stage); |
| 1625 | |
Dudley Du | 9489761 | 2015-07-20 16:49:06 -0700 | [diff] [blame] | 1626 | if (PIP_DEV_GET_PWR_STATE(cyapa) == UNINIT_PWR_MODE) { |
Dudley Du | 6972a85 | 2015-01-17 18:49:37 -0800 | [diff] [blame] | 1627 | /* |
| 1628 | * Assume TP in deep sleep mode when driver is loaded, |
| 1629 | * avoid driver unload and reload command IO issue caused by TP |
| 1630 | * has been set into deep sleep mode when unloading. |
| 1631 | */ |
Dudley Du | 9489761 | 2015-07-20 16:49:06 -0700 | [diff] [blame] | 1632 | PIP_DEV_SET_PWR_STATE(cyapa, PWR_MODE_OFF); |
Dudley Du | 6972a85 | 2015-01-17 18:49:37 -0800 | [diff] [blame] | 1633 | } |
| 1634 | |
Dudley Du | 9489761 | 2015-07-20 16:49:06 -0700 | [diff] [blame] | 1635 | if (PIP_DEV_UNINIT_SLEEP_TIME(cyapa) && |
| 1636 | PIP_DEV_GET_PWR_STATE(cyapa) != PWR_MODE_OFF) |
Dudley Du | 6972a85 | 2015-01-17 18:49:37 -0800 | [diff] [blame] | 1637 | if (cyapa_gen5_get_interval_time(cyapa, |
| 1638 | GEN5_PARAMETER_LP_INTRVL_ID, |
| 1639 | &cyapa->dev_sleep_time) != 0) |
Dudley Du | 9489761 | 2015-07-20 16:49:06 -0700 | [diff] [blame] | 1640 | PIP_DEV_SET_SLEEP_TIME(cyapa, UNINIT_SLEEP_TIME); |
Dudley Du | 6972a85 | 2015-01-17 18:49:37 -0800 | [diff] [blame] | 1641 | |
Dudley Du | 9489761 | 2015-07-20 16:49:06 -0700 | [diff] [blame] | 1642 | if (PIP_DEV_GET_PWR_STATE(cyapa) == power_mode) { |
Dudley Du | 6972a85 | 2015-01-17 18:49:37 -0800 | [diff] [blame] | 1643 | if (power_mode == PWR_MODE_OFF || |
| 1644 | power_mode == PWR_MODE_FULL_ACTIVE || |
| 1645 | power_mode == PWR_MODE_BTN_ONLY || |
Dudley Du | 9489761 | 2015-07-20 16:49:06 -0700 | [diff] [blame] | 1646 | PIP_DEV_GET_SLEEP_TIME(cyapa) == sleep_time) { |
Dudley Du | 6972a85 | 2015-01-17 18:49:37 -0800 | [diff] [blame] | 1647 | /* Has in correct power mode state, early return. */ |
Dudley Du | 3cd4786 | 2016-03-04 11:23:09 -0800 | [diff] [blame] | 1648 | goto out; |
Dudley Du | 6972a85 | 2015-01-17 18:49:37 -0800 | [diff] [blame] | 1649 | } |
| 1650 | } |
| 1651 | |
| 1652 | if (power_mode == PWR_MODE_OFF) { |
Dudley Du | 9489761 | 2015-07-20 16:49:06 -0700 | [diff] [blame] | 1653 | error = cyapa_pip_deep_sleep(cyapa, PIP_DEEP_SLEEP_STATE_OFF); |
Dudley Du | 6972a85 | 2015-01-17 18:49:37 -0800 | [diff] [blame] | 1654 | if (error) { |
| 1655 | dev_err(dev, "enter deep sleep fail: %d\n", error); |
Dudley Du | 3cd4786 | 2016-03-04 11:23:09 -0800 | [diff] [blame] | 1656 | goto out; |
Dudley Du | 6972a85 | 2015-01-17 18:49:37 -0800 | [diff] [blame] | 1657 | } |
| 1658 | |
Dudley Du | 9489761 | 2015-07-20 16:49:06 -0700 | [diff] [blame] | 1659 | PIP_DEV_SET_PWR_STATE(cyapa, PWR_MODE_OFF); |
Dudley Du | 3cd4786 | 2016-03-04 11:23:09 -0800 | [diff] [blame] | 1660 | goto out; |
Dudley Du | 6972a85 | 2015-01-17 18:49:37 -0800 | [diff] [blame] | 1661 | } |
| 1662 | |
| 1663 | /* |
| 1664 | * When trackpad in power off mode, it cannot change to other power |
| 1665 | * state directly, must be wake up from sleep firstly, then |
| 1666 | * continue to do next power sate change. |
| 1667 | */ |
Dudley Du | 9489761 | 2015-07-20 16:49:06 -0700 | [diff] [blame] | 1668 | if (PIP_DEV_GET_PWR_STATE(cyapa) == PWR_MODE_OFF) { |
| 1669 | error = cyapa_pip_deep_sleep(cyapa, PIP_DEEP_SLEEP_STATE_ON); |
Dudley Du | 6972a85 | 2015-01-17 18:49:37 -0800 | [diff] [blame] | 1670 | if (error) { |
| 1671 | dev_err(dev, "deep sleep wake fail: %d\n", error); |
Dudley Du | 3cd4786 | 2016-03-04 11:23:09 -0800 | [diff] [blame] | 1672 | goto out; |
Dudley Du | 6972a85 | 2015-01-17 18:49:37 -0800 | [diff] [blame] | 1673 | } |
| 1674 | } |
| 1675 | |
| 1676 | if (power_mode == PWR_MODE_FULL_ACTIVE) { |
| 1677 | error = cyapa_gen5_change_power_state(cyapa, |
| 1678 | GEN5_POWER_STATE_ACTIVE); |
| 1679 | if (error) { |
| 1680 | dev_err(dev, "change to active fail: %d\n", error); |
Dudley Du | 3cd4786 | 2016-03-04 11:23:09 -0800 | [diff] [blame] | 1681 | goto out; |
Dudley Du | 6972a85 | 2015-01-17 18:49:37 -0800 | [diff] [blame] | 1682 | } |
| 1683 | |
Dudley Du | 9489761 | 2015-07-20 16:49:06 -0700 | [diff] [blame] | 1684 | PIP_DEV_SET_PWR_STATE(cyapa, PWR_MODE_FULL_ACTIVE); |
Dudley Du | 6972a85 | 2015-01-17 18:49:37 -0800 | [diff] [blame] | 1685 | } else if (power_mode == PWR_MODE_BTN_ONLY) { |
| 1686 | error = cyapa_gen5_change_power_state(cyapa, |
| 1687 | GEN5_POWER_STATE_BTN_ONLY); |
| 1688 | if (error) { |
| 1689 | dev_err(dev, "fail to button only mode: %d\n", error); |
Dudley Du | 3cd4786 | 2016-03-04 11:23:09 -0800 | [diff] [blame] | 1690 | goto out; |
Dudley Du | 6972a85 | 2015-01-17 18:49:37 -0800 | [diff] [blame] | 1691 | } |
| 1692 | |
Dudley Du | 9489761 | 2015-07-20 16:49:06 -0700 | [diff] [blame] | 1693 | PIP_DEV_SET_PWR_STATE(cyapa, PWR_MODE_BTN_ONLY); |
Dudley Du | 6972a85 | 2015-01-17 18:49:37 -0800 | [diff] [blame] | 1694 | } else { |
| 1695 | /* |
| 1696 | * Continue to change power mode even failed to set |
| 1697 | * interval time, it won't affect the power mode change. |
| 1698 | * except the sleep interval time is not correct. |
| 1699 | */ |
Dudley Du | 9489761 | 2015-07-20 16:49:06 -0700 | [diff] [blame] | 1700 | if (PIP_DEV_UNINIT_SLEEP_TIME(cyapa) || |
| 1701 | sleep_time != PIP_DEV_GET_SLEEP_TIME(cyapa)) |
Dudley Du | 6972a85 | 2015-01-17 18:49:37 -0800 | [diff] [blame] | 1702 | if (cyapa_gen5_set_interval_time(cyapa, |
| 1703 | GEN5_PARAMETER_LP_INTRVL_ID, |
| 1704 | sleep_time) == 0) |
Dudley Du | 9489761 | 2015-07-20 16:49:06 -0700 | [diff] [blame] | 1705 | PIP_DEV_SET_SLEEP_TIME(cyapa, sleep_time); |
Dudley Du | 6972a85 | 2015-01-17 18:49:37 -0800 | [diff] [blame] | 1706 | |
| 1707 | if (sleep_time <= GEN5_POWER_READY_MAX_INTRVL_TIME) |
| 1708 | power_state = GEN5_POWER_STATE_READY; |
| 1709 | else |
| 1710 | power_state = GEN5_POWER_STATE_IDLE; |
| 1711 | error = cyapa_gen5_change_power_state(cyapa, power_state); |
| 1712 | if (error) { |
| 1713 | dev_err(dev, "set power state to 0x%02x failed: %d\n", |
| 1714 | power_state, error); |
Dudley Du | 3cd4786 | 2016-03-04 11:23:09 -0800 | [diff] [blame] | 1715 | goto out; |
Dudley Du | 6972a85 | 2015-01-17 18:49:37 -0800 | [diff] [blame] | 1716 | } |
| 1717 | |
| 1718 | /* |
| 1719 | * Disable pip report for a little time, firmware will |
| 1720 | * re-enable it automatically. It's used to fix the issue |
| 1721 | * that trackpad unable to report signal to wake system up |
| 1722 | * in the special situation that system is in suspending, and |
| 1723 | * at the same time, user touch trackpad to wake system up. |
Shailendra Verma | 7debcbb | 2015-05-26 13:44:06 -0700 | [diff] [blame] | 1724 | * This function can avoid the data to be buffered when system |
| 1725 | * is suspending which may cause interrupt line unable to be |
Dudley Du | 6972a85 | 2015-01-17 18:49:37 -0800 | [diff] [blame] | 1726 | * asserted again. |
| 1727 | */ |
Dudley Du | 3cd4786 | 2016-03-04 11:23:09 -0800 | [diff] [blame] | 1728 | if (pm_stage == CYAPA_PM_SUSPEND) |
Dudley Du | 757cae5 | 2015-07-20 17:09:59 -0700 | [diff] [blame] | 1729 | cyapa_gen5_disable_pip_report(cyapa); |
Dudley Du | 6972a85 | 2015-01-17 18:49:37 -0800 | [diff] [blame] | 1730 | |
Dudley Du | 9489761 | 2015-07-20 16:49:06 -0700 | [diff] [blame] | 1731 | PIP_DEV_SET_PWR_STATE(cyapa, |
Dudley Du | 6972a85 | 2015-01-17 18:49:37 -0800 | [diff] [blame] | 1732 | cyapa_sleep_time_to_pwr_cmd(sleep_time)); |
| 1733 | } |
| 1734 | |
Dudley Du | 3cd4786 | 2016-03-04 11:23:09 -0800 | [diff] [blame] | 1735 | out: |
| 1736 | cyapa_reset_pip_pm_state(cyapa); |
| 1737 | return error; |
Dudley Du | 6972a85 | 2015-01-17 18:49:37 -0800 | [diff] [blame] | 1738 | } |
| 1739 | |
Dudley Du | 9489761 | 2015-07-20 16:49:06 -0700 | [diff] [blame] | 1740 | int cyapa_pip_resume_scanning(struct cyapa *cyapa) |
Dudley Du | 6499d39 | 2015-01-17 22:16:01 -0800 | [diff] [blame] | 1741 | { |
| 1742 | u8 cmd[] = { 0x04, 0x00, 0x05, 0x00, 0x2f, 0x00, 0x04 }; |
| 1743 | u8 resp_data[6]; |
| 1744 | int resp_len; |
| 1745 | int error; |
| 1746 | |
| 1747 | /* Try to dump all buffered data before doing command. */ |
| 1748 | cyapa_empty_pip_output_data(cyapa, NULL, NULL, NULL); |
| 1749 | |
| 1750 | resp_len = sizeof(resp_data); |
| 1751 | error = cyapa_i2c_pip_cmd_irq_sync(cyapa, |
| 1752 | cmd, sizeof(cmd), |
| 1753 | resp_data, &resp_len, |
Dudley Du | 9489761 | 2015-07-20 16:49:06 -0700 | [diff] [blame] | 1754 | 500, cyapa_sort_tsg_pip_app_resp_data, true); |
Dudley Du | 6499d39 | 2015-01-17 22:16:01 -0800 | [diff] [blame] | 1755 | if (error || !VALID_CMD_RESP_HEADER(resp_data, 0x04)) |
| 1756 | return -EINVAL; |
| 1757 | |
| 1758 | /* Try to dump all buffered data when resuming scanning. */ |
| 1759 | cyapa_empty_pip_output_data(cyapa, NULL, NULL, NULL); |
| 1760 | |
| 1761 | return 0; |
| 1762 | } |
| 1763 | |
Dudley Du | 9489761 | 2015-07-20 16:49:06 -0700 | [diff] [blame] | 1764 | int cyapa_pip_suspend_scanning(struct cyapa *cyapa) |
Dudley Du | 6499d39 | 2015-01-17 22:16:01 -0800 | [diff] [blame] | 1765 | { |
| 1766 | u8 cmd[] = { 0x04, 0x00, 0x05, 0x00, 0x2f, 0x00, 0x03 }; |
| 1767 | u8 resp_data[6]; |
| 1768 | int resp_len; |
| 1769 | int error; |
| 1770 | |
| 1771 | /* Try to dump all buffered data before doing command. */ |
| 1772 | cyapa_empty_pip_output_data(cyapa, NULL, NULL, NULL); |
| 1773 | |
| 1774 | resp_len = sizeof(resp_data); |
| 1775 | error = cyapa_i2c_pip_cmd_irq_sync(cyapa, |
| 1776 | cmd, sizeof(cmd), |
| 1777 | resp_data, &resp_len, |
Dudley Du | 9489761 | 2015-07-20 16:49:06 -0700 | [diff] [blame] | 1778 | 500, cyapa_sort_tsg_pip_app_resp_data, true); |
Dudley Du | 6499d39 | 2015-01-17 22:16:01 -0800 | [diff] [blame] | 1779 | if (error || !VALID_CMD_RESP_HEADER(resp_data, 0x03)) |
| 1780 | return -EINVAL; |
| 1781 | |
| 1782 | /* Try to dump all buffered data when suspending scanning. */ |
| 1783 | cyapa_empty_pip_output_data(cyapa, NULL, NULL, NULL); |
| 1784 | |
| 1785 | return 0; |
| 1786 | } |
| 1787 | |
Dudley Du | 9489761 | 2015-07-20 16:49:06 -0700 | [diff] [blame] | 1788 | static int cyapa_pip_calibrate_pwcs(struct cyapa *cyapa, |
Dudley Du | daceed1 | 2015-01-17 22:18:14 -0800 | [diff] [blame] | 1789 | u8 calibrate_sensing_mode_type) |
| 1790 | { |
Dudley Du | 9489761 | 2015-07-20 16:49:06 -0700 | [diff] [blame] | 1791 | struct pip_app_cmd_head *app_cmd_head; |
Dudley Du | daceed1 | 2015-01-17 22:18:14 -0800 | [diff] [blame] | 1792 | u8 cmd[8]; |
| 1793 | u8 resp_data[6]; |
| 1794 | int resp_len; |
| 1795 | int error; |
| 1796 | |
| 1797 | /* Try to dump all buffered data before doing command. */ |
| 1798 | cyapa_empty_pip_output_data(cyapa, NULL, NULL, NULL); |
| 1799 | |
| 1800 | memset(cmd, 0, sizeof(cmd)); |
Dudley Du | 9489761 | 2015-07-20 16:49:06 -0700 | [diff] [blame] | 1801 | app_cmd_head = (struct pip_app_cmd_head *)cmd; |
| 1802 | put_unaligned_le16(PIP_OUTPUT_REPORT_ADDR, &app_cmd_head->addr); |
Dudley Du | daceed1 | 2015-01-17 22:18:14 -0800 | [diff] [blame] | 1803 | put_unaligned_le16(sizeof(cmd) - 2, &app_cmd_head->length); |
Dudley Du | 9489761 | 2015-07-20 16:49:06 -0700 | [diff] [blame] | 1804 | app_cmd_head->report_id = PIP_APP_CMD_REPORT_ID; |
| 1805 | app_cmd_head->cmd_code = PIP_CMD_CALIBRATE; |
Dudley Du | daceed1 | 2015-01-17 22:18:14 -0800 | [diff] [blame] | 1806 | app_cmd_head->parameter_data[0] = calibrate_sensing_mode_type; |
| 1807 | resp_len = sizeof(resp_data); |
| 1808 | error = cyapa_i2c_pip_cmd_irq_sync(cyapa, |
| 1809 | cmd, sizeof(cmd), |
| 1810 | resp_data, &resp_len, |
Dudley Du | 9489761 | 2015-07-20 16:49:06 -0700 | [diff] [blame] | 1811 | 5000, cyapa_sort_tsg_pip_app_resp_data, true); |
| 1812 | if (error || !VALID_CMD_RESP_HEADER(resp_data, PIP_CMD_CALIBRATE) || |
| 1813 | !PIP_CMD_COMPLETE_SUCCESS(resp_data)) |
Dudley Du | daceed1 | 2015-01-17 22:18:14 -0800 | [diff] [blame] | 1814 | return error < 0 ? error : -EAGAIN; |
| 1815 | |
| 1816 | return 0; |
| 1817 | } |
| 1818 | |
Dudley Du | 9489761 | 2015-07-20 16:49:06 -0700 | [diff] [blame] | 1819 | ssize_t cyapa_pip_do_calibrate(struct device *dev, |
Dudley Du | daceed1 | 2015-01-17 22:18:14 -0800 | [diff] [blame] | 1820 | struct device_attribute *attr, |
| 1821 | const char *buf, size_t count) |
| 1822 | { |
| 1823 | struct cyapa *cyapa = dev_get_drvdata(dev); |
| 1824 | int error, calibrate_error; |
| 1825 | |
| 1826 | /* 1. Suspend Scanning*/ |
Dudley Du | 9489761 | 2015-07-20 16:49:06 -0700 | [diff] [blame] | 1827 | error = cyapa_pip_suspend_scanning(cyapa); |
Dudley Du | daceed1 | 2015-01-17 22:18:14 -0800 | [diff] [blame] | 1828 | if (error) |
| 1829 | return error; |
| 1830 | |
| 1831 | /* 2. Do mutual capacitance fine calibrate. */ |
Dudley Du | 9489761 | 2015-07-20 16:49:06 -0700 | [diff] [blame] | 1832 | calibrate_error = cyapa_pip_calibrate_pwcs(cyapa, |
| 1833 | PIP_SENSING_MODE_MUTUAL_CAP_FINE); |
Dudley Du | daceed1 | 2015-01-17 22:18:14 -0800 | [diff] [blame] | 1834 | if (calibrate_error) |
| 1835 | goto resume_scanning; |
| 1836 | |
| 1837 | /* 3. Do self capacitance calibrate. */ |
Dudley Du | 9489761 | 2015-07-20 16:49:06 -0700 | [diff] [blame] | 1838 | calibrate_error = cyapa_pip_calibrate_pwcs(cyapa, |
| 1839 | PIP_SENSING_MODE_SELF_CAP); |
Dudley Du | daceed1 | 2015-01-17 22:18:14 -0800 | [diff] [blame] | 1840 | if (calibrate_error) |
| 1841 | goto resume_scanning; |
| 1842 | |
| 1843 | resume_scanning: |
| 1844 | /* 4. Resume Scanning*/ |
Dudley Du | 9489761 | 2015-07-20 16:49:06 -0700 | [diff] [blame] | 1845 | error = cyapa_pip_resume_scanning(cyapa); |
Dudley Du | daceed1 | 2015-01-17 22:18:14 -0800 | [diff] [blame] | 1846 | if (error || calibrate_error) |
| 1847 | return error ? error : calibrate_error; |
| 1848 | |
| 1849 | return count; |
| 1850 | } |
| 1851 | |
Dudley Du | 6499d39 | 2015-01-17 22:16:01 -0800 | [diff] [blame] | 1852 | static s32 twos_complement_to_s32(s32 value, int num_bits) |
| 1853 | { |
| 1854 | if (value >> (num_bits - 1)) |
| 1855 | value |= -1 << num_bits; |
| 1856 | return value; |
| 1857 | } |
| 1858 | |
| 1859 | static s32 cyapa_parse_structure_data(u8 data_format, u8 *buf, int buf_len) |
| 1860 | { |
| 1861 | int data_size; |
| 1862 | bool big_endian; |
| 1863 | bool unsigned_type; |
| 1864 | s32 value; |
| 1865 | |
| 1866 | data_size = (data_format & 0x07); |
| 1867 | big_endian = ((data_format & 0x10) == 0x00); |
| 1868 | unsigned_type = ((data_format & 0x20) == 0x00); |
| 1869 | |
| 1870 | if (buf_len < data_size) |
| 1871 | return 0; |
| 1872 | |
| 1873 | switch (data_size) { |
| 1874 | case 1: |
| 1875 | value = buf[0]; |
| 1876 | break; |
| 1877 | case 2: |
| 1878 | if (big_endian) |
| 1879 | value = get_unaligned_be16(buf); |
| 1880 | else |
| 1881 | value = get_unaligned_le16(buf); |
| 1882 | break; |
| 1883 | case 4: |
| 1884 | if (big_endian) |
| 1885 | value = get_unaligned_be32(buf); |
| 1886 | else |
| 1887 | value = get_unaligned_le32(buf); |
| 1888 | break; |
| 1889 | default: |
| 1890 | /* Should not happen, just as default case here. */ |
| 1891 | value = 0; |
| 1892 | break; |
| 1893 | } |
| 1894 | |
| 1895 | if (!unsigned_type) |
| 1896 | value = twos_complement_to_s32(value, data_size * 8); |
| 1897 | |
| 1898 | return value; |
| 1899 | } |
| 1900 | |
| 1901 | static void cyapa_gen5_guess_electrodes(struct cyapa *cyapa, |
| 1902 | int *electrodes_rx, int *electrodes_tx) |
| 1903 | { |
| 1904 | if (cyapa->electrodes_rx != 0) { |
| 1905 | *electrodes_rx = cyapa->electrodes_rx; |
| 1906 | *electrodes_tx = (cyapa->electrodes_x == *electrodes_rx) ? |
| 1907 | cyapa->electrodes_y : cyapa->electrodes_x; |
| 1908 | } else { |
| 1909 | *electrodes_tx = min(cyapa->electrodes_x, cyapa->electrodes_y); |
| 1910 | *electrodes_rx = max(cyapa->electrodes_x, cyapa->electrodes_y); |
| 1911 | } |
| 1912 | } |
| 1913 | |
| 1914 | /* |
| 1915 | * Read all the global mutual or self idac data or mutual or self local PWC |
| 1916 | * data based on the @idac_data_type. |
| 1917 | * If the input value of @data_size is 0, then means read global mutual or |
| 1918 | * self idac data. For read global mutual idac data, @idac_max, @idac_min and |
| 1919 | * @idac_ave are in order used to return the max value of global mutual idac |
| 1920 | * data, the min value of global mutual idac and the average value of the |
| 1921 | * global mutual idac data. For read global self idac data, @idac_max is used |
| 1922 | * to return the global self cap idac data in Rx direction, @idac_min is used |
| 1923 | * to return the global self cap idac data in Tx direction. @idac_ave is not |
| 1924 | * used. |
| 1925 | * If the input value of @data_size is not 0, than means read the mutual or |
| 1926 | * self local PWC data. The @idac_max, @idac_min and @idac_ave are used to |
| 1927 | * return the max, min and average value of the mutual or self local PWC data. |
Dudley Du | 9489761 | 2015-07-20 16:49:06 -0700 | [diff] [blame] | 1928 | * Note, in order to read mutual local PWC data, must read invoke this function |
Dudley Du | 6499d39 | 2015-01-17 22:16:01 -0800 | [diff] [blame] | 1929 | * to read the mutual global idac data firstly to set the correct Rx number |
| 1930 | * value, otherwise, the read mutual idac and PWC data may not correct. |
| 1931 | */ |
| 1932 | static int cyapa_gen5_read_idac_data(struct cyapa *cyapa, |
| 1933 | u8 cmd_code, u8 idac_data_type, int *data_size, |
| 1934 | int *idac_max, int *idac_min, int *idac_ave) |
| 1935 | { |
Dudley Du | 9489761 | 2015-07-20 16:49:06 -0700 | [diff] [blame] | 1936 | struct pip_app_cmd_head *cmd_head; |
Dudley Du | 6499d39 | 2015-01-17 22:16:01 -0800 | [diff] [blame] | 1937 | u8 cmd[12]; |
| 1938 | u8 resp_data[256]; |
| 1939 | int resp_len; |
| 1940 | int read_len; |
| 1941 | int value; |
| 1942 | u16 offset; |
| 1943 | int read_elements; |
| 1944 | bool read_global_idac; |
| 1945 | int sum, count, max_element_cnt; |
| 1946 | int tmp_max, tmp_min, tmp_ave, tmp_sum, tmp_count; |
| 1947 | int electrodes_rx, electrodes_tx; |
| 1948 | int i; |
| 1949 | int error; |
| 1950 | |
Dudley Du | 9489761 | 2015-07-20 16:49:06 -0700 | [diff] [blame] | 1951 | if (cmd_code != PIP_RETRIEVE_DATA_STRUCTURE || |
Dudley Du | 6499d39 | 2015-01-17 22:16:01 -0800 | [diff] [blame] | 1952 | (idac_data_type != GEN5_RETRIEVE_MUTUAL_PWC_DATA && |
| 1953 | idac_data_type != GEN5_RETRIEVE_SELF_CAP_PWC_DATA) || |
| 1954 | !data_size || !idac_max || !idac_min || !idac_ave) |
| 1955 | return -EINVAL; |
| 1956 | |
| 1957 | *idac_max = INT_MIN; |
| 1958 | *idac_min = INT_MAX; |
| 1959 | sum = count = tmp_count = 0; |
| 1960 | electrodes_rx = electrodes_tx = 0; |
| 1961 | if (*data_size == 0) { |
| 1962 | /* |
| 1963 | * Read global idac values firstly. |
| 1964 | * Currently, no idac data exceed 4 bytes. |
| 1965 | */ |
| 1966 | read_global_idac = true; |
| 1967 | offset = 0; |
| 1968 | *data_size = 4; |
| 1969 | tmp_max = INT_MIN; |
| 1970 | tmp_min = INT_MAX; |
| 1971 | tmp_ave = tmp_sum = tmp_count = 0; |
| 1972 | |
| 1973 | if (idac_data_type == GEN5_RETRIEVE_MUTUAL_PWC_DATA) { |
| 1974 | if (cyapa->aligned_electrodes_rx == 0) { |
| 1975 | cyapa_gen5_guess_electrodes(cyapa, |
| 1976 | &electrodes_rx, &electrodes_tx); |
| 1977 | cyapa->aligned_electrodes_rx = |
| 1978 | (electrodes_rx + 3) & ~3u; |
| 1979 | } |
| 1980 | max_element_cnt = |
| 1981 | (cyapa->aligned_electrodes_rx + 7) & ~7u; |
| 1982 | } else { |
| 1983 | max_element_cnt = 2; |
| 1984 | } |
| 1985 | } else { |
| 1986 | read_global_idac = false; |
| 1987 | if (*data_size > 4) |
| 1988 | *data_size = 4; |
| 1989 | /* Calculate the start offset in bytes of local PWC data. */ |
| 1990 | if (idac_data_type == GEN5_RETRIEVE_MUTUAL_PWC_DATA) { |
| 1991 | offset = cyapa->aligned_electrodes_rx * (*data_size); |
| 1992 | if (cyapa->electrodes_rx == cyapa->electrodes_x) |
| 1993 | electrodes_tx = cyapa->electrodes_y; |
| 1994 | else |
| 1995 | electrodes_tx = cyapa->electrodes_x; |
| 1996 | max_element_cnt = ((cyapa->aligned_electrodes_rx + 7) & |
| 1997 | ~7u) * electrodes_tx; |
Geert Uytterhoeven | 2523caa | 2015-03-02 09:39:24 -0800 | [diff] [blame] | 1998 | } else { |
Dudley Du | 6499d39 | 2015-01-17 22:16:01 -0800 | [diff] [blame] | 1999 | offset = 2; |
| 2000 | max_element_cnt = cyapa->electrodes_x + |
| 2001 | cyapa->electrodes_y; |
| 2002 | max_element_cnt = (max_element_cnt + 3) & ~3u; |
| 2003 | } |
| 2004 | } |
| 2005 | |
| 2006 | memset(cmd, 0, sizeof(cmd)); |
Dudley Du | 9489761 | 2015-07-20 16:49:06 -0700 | [diff] [blame] | 2007 | cmd_head = (struct pip_app_cmd_head *)cmd; |
| 2008 | put_unaligned_le16(PIP_OUTPUT_REPORT_ADDR, &cmd_head->addr); |
Dudley Du | 6499d39 | 2015-01-17 22:16:01 -0800 | [diff] [blame] | 2009 | put_unaligned_le16(sizeof(cmd) - 2, &cmd_head->length); |
Dudley Du | 9489761 | 2015-07-20 16:49:06 -0700 | [diff] [blame] | 2010 | cmd_head->report_id = PIP_APP_CMD_REPORT_ID; |
Dudley Du | 6499d39 | 2015-01-17 22:16:01 -0800 | [diff] [blame] | 2011 | cmd_head->cmd_code = cmd_code; |
| 2012 | do { |
| 2013 | read_elements = (256 - GEN5_RESP_DATA_STRUCTURE_OFFSET) / |
| 2014 | (*data_size); |
| 2015 | read_elements = min(read_elements, max_element_cnt - count); |
| 2016 | read_len = read_elements * (*data_size); |
| 2017 | |
| 2018 | put_unaligned_le16(offset, &cmd_head->parameter_data[0]); |
| 2019 | put_unaligned_le16(read_len, &cmd_head->parameter_data[2]); |
| 2020 | cmd_head->parameter_data[4] = idac_data_type; |
| 2021 | resp_len = GEN5_RESP_DATA_STRUCTURE_OFFSET + read_len; |
| 2022 | error = cyapa_i2c_pip_cmd_irq_sync(cyapa, |
| 2023 | cmd, sizeof(cmd), |
| 2024 | resp_data, &resp_len, |
Dudley Du | 9489761 | 2015-07-20 16:49:06 -0700 | [diff] [blame] | 2025 | 500, cyapa_sort_tsg_pip_app_resp_data, |
Dudley Du | 6499d39 | 2015-01-17 22:16:01 -0800 | [diff] [blame] | 2026 | true); |
| 2027 | if (error || resp_len < GEN5_RESP_DATA_STRUCTURE_OFFSET || |
| 2028 | !VALID_CMD_RESP_HEADER(resp_data, cmd_code) || |
Dudley Du | 9489761 | 2015-07-20 16:49:06 -0700 | [diff] [blame] | 2029 | !PIP_CMD_COMPLETE_SUCCESS(resp_data) || |
Dudley Du | 6499d39 | 2015-01-17 22:16:01 -0800 | [diff] [blame] | 2030 | resp_data[6] != idac_data_type) |
| 2031 | return (error < 0) ? error : -EAGAIN; |
| 2032 | read_len = get_unaligned_le16(&resp_data[7]); |
| 2033 | if (read_len == 0) |
| 2034 | break; |
| 2035 | |
| 2036 | *data_size = (resp_data[9] & GEN5_PWC_DATA_ELEMENT_SIZE_MASK); |
| 2037 | if (read_len < *data_size) |
| 2038 | return -EINVAL; |
| 2039 | |
| 2040 | if (read_global_idac && |
| 2041 | idac_data_type == GEN5_RETRIEVE_SELF_CAP_PWC_DATA) { |
| 2042 | /* Rx's self global idac data. */ |
| 2043 | *idac_max = cyapa_parse_structure_data( |
| 2044 | resp_data[9], |
| 2045 | &resp_data[GEN5_RESP_DATA_STRUCTURE_OFFSET], |
| 2046 | *data_size); |
| 2047 | /* Tx's self global idac data. */ |
| 2048 | *idac_min = cyapa_parse_structure_data( |
| 2049 | resp_data[9], |
| 2050 | &resp_data[GEN5_RESP_DATA_STRUCTURE_OFFSET + |
| 2051 | *data_size], |
| 2052 | *data_size); |
| 2053 | break; |
| 2054 | } |
| 2055 | |
| 2056 | /* Read mutual global idac or local mutual/self PWC data. */ |
| 2057 | offset += read_len; |
| 2058 | for (i = 10; i < (read_len + GEN5_RESP_DATA_STRUCTURE_OFFSET); |
| 2059 | i += *data_size) { |
| 2060 | value = cyapa_parse_structure_data(resp_data[9], |
| 2061 | &resp_data[i], *data_size); |
| 2062 | *idac_min = min(value, *idac_min); |
| 2063 | *idac_max = max(value, *idac_max); |
| 2064 | |
| 2065 | if (idac_data_type == GEN5_RETRIEVE_MUTUAL_PWC_DATA && |
| 2066 | tmp_count < cyapa->aligned_electrodes_rx && |
| 2067 | read_global_idac) { |
| 2068 | /* |
Dudley Du | 9489761 | 2015-07-20 16:49:06 -0700 | [diff] [blame] | 2069 | * The value gap between global and local mutual |
Dudley Du | 6499d39 | 2015-01-17 22:16:01 -0800 | [diff] [blame] | 2070 | * idac data must bigger than 50%. |
| 2071 | * Normally, global value bigger than 50, |
| 2072 | * local values less than 10. |
| 2073 | */ |
| 2074 | if (!tmp_ave || value > tmp_ave / 2) { |
| 2075 | tmp_min = min(value, tmp_min); |
| 2076 | tmp_max = max(value, tmp_max); |
| 2077 | tmp_sum += value; |
| 2078 | tmp_count++; |
| 2079 | |
| 2080 | tmp_ave = tmp_sum / tmp_count; |
| 2081 | } |
| 2082 | } |
| 2083 | |
| 2084 | sum += value; |
| 2085 | count++; |
| 2086 | |
| 2087 | if (count >= max_element_cnt) |
| 2088 | goto out; |
| 2089 | } |
| 2090 | } while (true); |
| 2091 | |
| 2092 | out: |
| 2093 | *idac_ave = count ? (sum / count) : 0; |
| 2094 | |
| 2095 | if (read_global_idac && |
| 2096 | idac_data_type == GEN5_RETRIEVE_MUTUAL_PWC_DATA) { |
| 2097 | if (tmp_count == 0) |
| 2098 | return 0; |
| 2099 | |
| 2100 | if (tmp_count == cyapa->aligned_electrodes_rx) { |
| 2101 | cyapa->electrodes_rx = cyapa->electrodes_rx ? |
| 2102 | cyapa->electrodes_rx : electrodes_rx; |
| 2103 | } else if (tmp_count == electrodes_rx) { |
| 2104 | cyapa->electrodes_rx = cyapa->electrodes_rx ? |
| 2105 | cyapa->electrodes_rx : electrodes_rx; |
| 2106 | cyapa->aligned_electrodes_rx = electrodes_rx; |
| 2107 | } else { |
| 2108 | cyapa->electrodes_rx = cyapa->electrodes_rx ? |
| 2109 | cyapa->electrodes_rx : electrodes_tx; |
| 2110 | cyapa->aligned_electrodes_rx = tmp_count; |
| 2111 | } |
| 2112 | |
| 2113 | *idac_min = tmp_min; |
| 2114 | *idac_max = tmp_max; |
| 2115 | *idac_ave = tmp_ave; |
| 2116 | } |
| 2117 | |
| 2118 | return 0; |
| 2119 | } |
| 2120 | |
| 2121 | static int cyapa_gen5_read_mutual_idac_data(struct cyapa *cyapa, |
| 2122 | int *gidac_mutual_max, int *gidac_mutual_min, int *gidac_mutual_ave, |
| 2123 | int *lidac_mutual_max, int *lidac_mutual_min, int *lidac_mutual_ave) |
| 2124 | { |
| 2125 | int data_size; |
| 2126 | int error; |
| 2127 | |
| 2128 | *gidac_mutual_max = *gidac_mutual_min = *gidac_mutual_ave = 0; |
| 2129 | *lidac_mutual_max = *lidac_mutual_min = *lidac_mutual_ave = 0; |
| 2130 | |
| 2131 | data_size = 0; |
| 2132 | error = cyapa_gen5_read_idac_data(cyapa, |
Dudley Du | 9489761 | 2015-07-20 16:49:06 -0700 | [diff] [blame] | 2133 | PIP_RETRIEVE_DATA_STRUCTURE, |
Dudley Du | 6499d39 | 2015-01-17 22:16:01 -0800 | [diff] [blame] | 2134 | GEN5_RETRIEVE_MUTUAL_PWC_DATA, |
| 2135 | &data_size, |
| 2136 | gidac_mutual_max, gidac_mutual_min, gidac_mutual_ave); |
| 2137 | if (error) |
| 2138 | return error; |
| 2139 | |
| 2140 | error = cyapa_gen5_read_idac_data(cyapa, |
Dudley Du | 9489761 | 2015-07-20 16:49:06 -0700 | [diff] [blame] | 2141 | PIP_RETRIEVE_DATA_STRUCTURE, |
Dudley Du | 6499d39 | 2015-01-17 22:16:01 -0800 | [diff] [blame] | 2142 | GEN5_RETRIEVE_MUTUAL_PWC_DATA, |
| 2143 | &data_size, |
| 2144 | lidac_mutual_max, lidac_mutual_min, lidac_mutual_ave); |
| 2145 | return error; |
| 2146 | } |
| 2147 | |
| 2148 | static int cyapa_gen5_read_self_idac_data(struct cyapa *cyapa, |
| 2149 | int *gidac_self_rx, int *gidac_self_tx, |
| 2150 | int *lidac_self_max, int *lidac_self_min, int *lidac_self_ave) |
| 2151 | { |
| 2152 | int data_size; |
| 2153 | int error; |
| 2154 | |
| 2155 | *gidac_self_rx = *gidac_self_tx = 0; |
| 2156 | *lidac_self_max = *lidac_self_min = *lidac_self_ave = 0; |
| 2157 | |
| 2158 | data_size = 0; |
| 2159 | error = cyapa_gen5_read_idac_data(cyapa, |
Dudley Du | 9489761 | 2015-07-20 16:49:06 -0700 | [diff] [blame] | 2160 | PIP_RETRIEVE_DATA_STRUCTURE, |
Dudley Du | 6499d39 | 2015-01-17 22:16:01 -0800 | [diff] [blame] | 2161 | GEN5_RETRIEVE_SELF_CAP_PWC_DATA, |
| 2162 | &data_size, |
| 2163 | lidac_self_max, lidac_self_min, lidac_self_ave); |
| 2164 | if (error) |
| 2165 | return error; |
| 2166 | *gidac_self_rx = *lidac_self_max; |
| 2167 | *gidac_self_tx = *lidac_self_min; |
| 2168 | |
| 2169 | error = cyapa_gen5_read_idac_data(cyapa, |
Dudley Du | 9489761 | 2015-07-20 16:49:06 -0700 | [diff] [blame] | 2170 | PIP_RETRIEVE_DATA_STRUCTURE, |
Dudley Du | 6499d39 | 2015-01-17 22:16:01 -0800 | [diff] [blame] | 2171 | GEN5_RETRIEVE_SELF_CAP_PWC_DATA, |
| 2172 | &data_size, |
| 2173 | lidac_self_max, lidac_self_min, lidac_self_ave); |
| 2174 | return error; |
| 2175 | } |
| 2176 | |
| 2177 | static ssize_t cyapa_gen5_execute_panel_scan(struct cyapa *cyapa) |
| 2178 | { |
Dudley Du | 9489761 | 2015-07-20 16:49:06 -0700 | [diff] [blame] | 2179 | struct pip_app_cmd_head *app_cmd_head; |
Dudley Du | 6499d39 | 2015-01-17 22:16:01 -0800 | [diff] [blame] | 2180 | u8 cmd[7]; |
| 2181 | u8 resp_data[6]; |
| 2182 | int resp_len; |
| 2183 | int error; |
| 2184 | |
| 2185 | memset(cmd, 0, sizeof(cmd)); |
Dudley Du | 9489761 | 2015-07-20 16:49:06 -0700 | [diff] [blame] | 2186 | app_cmd_head = (struct pip_app_cmd_head *)cmd; |
| 2187 | put_unaligned_le16(PIP_OUTPUT_REPORT_ADDR, &app_cmd_head->addr); |
Dudley Du | 6499d39 | 2015-01-17 22:16:01 -0800 | [diff] [blame] | 2188 | put_unaligned_le16(sizeof(cmd) - 2, &app_cmd_head->length); |
Dudley Du | 9489761 | 2015-07-20 16:49:06 -0700 | [diff] [blame] | 2189 | app_cmd_head->report_id = PIP_APP_CMD_REPORT_ID; |
Dudley Du | 6499d39 | 2015-01-17 22:16:01 -0800 | [diff] [blame] | 2190 | app_cmd_head->cmd_code = GEN5_CMD_EXECUTE_PANEL_SCAN; |
| 2191 | resp_len = sizeof(resp_data); |
| 2192 | error = cyapa_i2c_pip_cmd_irq_sync(cyapa, |
| 2193 | cmd, sizeof(cmd), |
| 2194 | resp_data, &resp_len, |
Dudley Du | 9489761 | 2015-07-20 16:49:06 -0700 | [diff] [blame] | 2195 | 500, cyapa_sort_tsg_pip_app_resp_data, true); |
Dudley Du | 6499d39 | 2015-01-17 22:16:01 -0800 | [diff] [blame] | 2196 | if (error || resp_len != sizeof(resp_data) || |
| 2197 | !VALID_CMD_RESP_HEADER(resp_data, |
| 2198 | GEN5_CMD_EXECUTE_PANEL_SCAN) || |
Dudley Du | 9489761 | 2015-07-20 16:49:06 -0700 | [diff] [blame] | 2199 | !PIP_CMD_COMPLETE_SUCCESS(resp_data)) |
Dudley Du | 6499d39 | 2015-01-17 22:16:01 -0800 | [diff] [blame] | 2200 | return error ? error : -EAGAIN; |
| 2201 | |
| 2202 | return 0; |
| 2203 | } |
| 2204 | |
| 2205 | static int cyapa_gen5_read_panel_scan_raw_data(struct cyapa *cyapa, |
| 2206 | u8 cmd_code, u8 raw_data_type, int raw_data_max_num, |
| 2207 | int *raw_data_max, int *raw_data_min, int *raw_data_ave, |
| 2208 | u8 *buffer) |
| 2209 | { |
Dudley Du | 9489761 | 2015-07-20 16:49:06 -0700 | [diff] [blame] | 2210 | struct pip_app_cmd_head *app_cmd_head; |
Dudley Du | 6499d39 | 2015-01-17 22:16:01 -0800 | [diff] [blame] | 2211 | struct gen5_retrieve_panel_scan_data *panel_sacn_data; |
| 2212 | u8 cmd[12]; |
| 2213 | u8 resp_data[256]; /* Max bytes can transfer one time. */ |
| 2214 | int resp_len; |
| 2215 | int read_elements; |
| 2216 | int read_len; |
| 2217 | u16 offset; |
| 2218 | s32 value; |
| 2219 | int sum, count; |
| 2220 | int data_size; |
| 2221 | s32 *intp; |
| 2222 | int i; |
| 2223 | int error; |
| 2224 | |
| 2225 | if (cmd_code != GEN5_CMD_RETRIEVE_PANEL_SCAN || |
| 2226 | (raw_data_type > GEN5_PANEL_SCAN_SELF_DIFFCOUNT) || |
| 2227 | !raw_data_max || !raw_data_min || !raw_data_ave) |
| 2228 | return -EINVAL; |
| 2229 | |
| 2230 | intp = (s32 *)buffer; |
| 2231 | *raw_data_max = INT_MIN; |
| 2232 | *raw_data_min = INT_MAX; |
| 2233 | sum = count = 0; |
| 2234 | offset = 0; |
| 2235 | /* Assume max element size is 4 currently. */ |
| 2236 | read_elements = (256 - GEN5_RESP_DATA_STRUCTURE_OFFSET) / 4; |
| 2237 | read_len = read_elements * 4; |
Dudley Du | 9489761 | 2015-07-20 16:49:06 -0700 | [diff] [blame] | 2238 | app_cmd_head = (struct pip_app_cmd_head *)cmd; |
| 2239 | put_unaligned_le16(PIP_OUTPUT_REPORT_ADDR, &app_cmd_head->addr); |
Dudley Du | 6499d39 | 2015-01-17 22:16:01 -0800 | [diff] [blame] | 2240 | put_unaligned_le16(sizeof(cmd) - 2, &app_cmd_head->length); |
Dudley Du | 9489761 | 2015-07-20 16:49:06 -0700 | [diff] [blame] | 2241 | app_cmd_head->report_id = PIP_APP_CMD_REPORT_ID; |
Dudley Du | 6499d39 | 2015-01-17 22:16:01 -0800 | [diff] [blame] | 2242 | app_cmd_head->cmd_code = cmd_code; |
| 2243 | panel_sacn_data = (struct gen5_retrieve_panel_scan_data *) |
| 2244 | app_cmd_head->parameter_data; |
| 2245 | do { |
| 2246 | put_unaligned_le16(offset, &panel_sacn_data->read_offset); |
| 2247 | put_unaligned_le16(read_elements, |
| 2248 | &panel_sacn_data->read_elements); |
| 2249 | panel_sacn_data->data_id = raw_data_type; |
| 2250 | |
| 2251 | resp_len = GEN5_RESP_DATA_STRUCTURE_OFFSET + read_len; |
| 2252 | error = cyapa_i2c_pip_cmd_irq_sync(cyapa, |
| 2253 | cmd, sizeof(cmd), |
| 2254 | resp_data, &resp_len, |
Dudley Du | 9489761 | 2015-07-20 16:49:06 -0700 | [diff] [blame] | 2255 | 500, cyapa_sort_tsg_pip_app_resp_data, true); |
Dudley Du | 6499d39 | 2015-01-17 22:16:01 -0800 | [diff] [blame] | 2256 | if (error || resp_len < GEN5_RESP_DATA_STRUCTURE_OFFSET || |
| 2257 | !VALID_CMD_RESP_HEADER(resp_data, cmd_code) || |
Dudley Du | 9489761 | 2015-07-20 16:49:06 -0700 | [diff] [blame] | 2258 | !PIP_CMD_COMPLETE_SUCCESS(resp_data) || |
Dudley Du | 6499d39 | 2015-01-17 22:16:01 -0800 | [diff] [blame] | 2259 | resp_data[6] != raw_data_type) |
| 2260 | return error ? error : -EAGAIN; |
| 2261 | |
| 2262 | read_elements = get_unaligned_le16(&resp_data[7]); |
| 2263 | if (read_elements == 0) |
| 2264 | break; |
| 2265 | |
| 2266 | data_size = (resp_data[9] & GEN5_PWC_DATA_ELEMENT_SIZE_MASK); |
| 2267 | offset += read_elements; |
| 2268 | if (read_elements) { |
| 2269 | for (i = GEN5_RESP_DATA_STRUCTURE_OFFSET; |
| 2270 | i < (read_elements * data_size + |
| 2271 | GEN5_RESP_DATA_STRUCTURE_OFFSET); |
| 2272 | i += data_size) { |
| 2273 | value = cyapa_parse_structure_data(resp_data[9], |
| 2274 | &resp_data[i], data_size); |
| 2275 | *raw_data_min = min(value, *raw_data_min); |
| 2276 | *raw_data_max = max(value, *raw_data_max); |
| 2277 | |
| 2278 | if (intp) |
| 2279 | put_unaligned_le32(value, &intp[count]); |
| 2280 | |
| 2281 | sum += value; |
| 2282 | count++; |
| 2283 | |
| 2284 | } |
| 2285 | } |
| 2286 | |
| 2287 | if (count >= raw_data_max_num) |
| 2288 | break; |
| 2289 | |
| 2290 | read_elements = (sizeof(resp_data) - |
| 2291 | GEN5_RESP_DATA_STRUCTURE_OFFSET) / data_size; |
| 2292 | read_len = read_elements * data_size; |
| 2293 | } while (true); |
| 2294 | |
| 2295 | *raw_data_ave = count ? (sum / count) : 0; |
| 2296 | |
| 2297 | return 0; |
| 2298 | } |
| 2299 | |
| 2300 | static ssize_t cyapa_gen5_show_baseline(struct device *dev, |
| 2301 | struct device_attribute *attr, char *buf) |
| 2302 | { |
| 2303 | struct cyapa *cyapa = dev_get_drvdata(dev); |
| 2304 | int gidac_mutual_max, gidac_mutual_min, gidac_mutual_ave; |
| 2305 | int lidac_mutual_max, lidac_mutual_min, lidac_mutual_ave; |
| 2306 | int gidac_self_rx, gidac_self_tx; |
| 2307 | int lidac_self_max, lidac_self_min, lidac_self_ave; |
| 2308 | int raw_cap_mutual_max, raw_cap_mutual_min, raw_cap_mutual_ave; |
| 2309 | int raw_cap_self_max, raw_cap_self_min, raw_cap_self_ave; |
| 2310 | int mutual_diffdata_max, mutual_diffdata_min, mutual_diffdata_ave; |
| 2311 | int self_diffdata_max, self_diffdata_min, self_diffdata_ave; |
| 2312 | int mutual_baseline_max, mutual_baseline_min, mutual_baseline_ave; |
| 2313 | int self_baseline_max, self_baseline_min, self_baseline_ave; |
| 2314 | int error, resume_error; |
| 2315 | int size; |
| 2316 | |
Dudley Du | 9489761 | 2015-07-20 16:49:06 -0700 | [diff] [blame] | 2317 | if (!cyapa_is_pip_app_mode(cyapa)) |
Dudley Du | 6499d39 | 2015-01-17 22:16:01 -0800 | [diff] [blame] | 2318 | return -EBUSY; |
| 2319 | |
| 2320 | /* 1. Suspend Scanning*/ |
Dudley Du | 9489761 | 2015-07-20 16:49:06 -0700 | [diff] [blame] | 2321 | error = cyapa_pip_suspend_scanning(cyapa); |
Dudley Du | 6499d39 | 2015-01-17 22:16:01 -0800 | [diff] [blame] | 2322 | if (error) |
| 2323 | return error; |
| 2324 | |
| 2325 | /* 2. Read global and local mutual IDAC data. */ |
| 2326 | gidac_self_rx = gidac_self_tx = 0; |
| 2327 | error = cyapa_gen5_read_mutual_idac_data(cyapa, |
| 2328 | &gidac_mutual_max, &gidac_mutual_min, |
| 2329 | &gidac_mutual_ave, &lidac_mutual_max, |
| 2330 | &lidac_mutual_min, &lidac_mutual_ave); |
| 2331 | if (error) |
| 2332 | goto resume_scanning; |
| 2333 | |
| 2334 | /* 3. Read global and local self IDAC data. */ |
| 2335 | error = cyapa_gen5_read_self_idac_data(cyapa, |
| 2336 | &gidac_self_rx, &gidac_self_tx, |
| 2337 | &lidac_self_max, &lidac_self_min, |
| 2338 | &lidac_self_ave); |
| 2339 | if (error) |
| 2340 | goto resume_scanning; |
| 2341 | |
Dudley Du | 9489761 | 2015-07-20 16:49:06 -0700 | [diff] [blame] | 2342 | /* 4. Execute panel scan. It must be executed before read data. */ |
Dudley Du | 6499d39 | 2015-01-17 22:16:01 -0800 | [diff] [blame] | 2343 | error = cyapa_gen5_execute_panel_scan(cyapa); |
| 2344 | if (error) |
| 2345 | goto resume_scanning; |
| 2346 | |
| 2347 | /* 5. Retrieve panel scan, mutual cap raw data. */ |
| 2348 | error = cyapa_gen5_read_panel_scan_raw_data(cyapa, |
| 2349 | GEN5_CMD_RETRIEVE_PANEL_SCAN, |
| 2350 | GEN5_PANEL_SCAN_MUTUAL_RAW_DATA, |
| 2351 | cyapa->electrodes_x * cyapa->electrodes_y, |
| 2352 | &raw_cap_mutual_max, &raw_cap_mutual_min, |
| 2353 | &raw_cap_mutual_ave, |
| 2354 | NULL); |
| 2355 | if (error) |
| 2356 | goto resume_scanning; |
| 2357 | |
| 2358 | /* 6. Retrieve panel scan, self cap raw data. */ |
| 2359 | error = cyapa_gen5_read_panel_scan_raw_data(cyapa, |
| 2360 | GEN5_CMD_RETRIEVE_PANEL_SCAN, |
| 2361 | GEN5_PANEL_SCAN_SELF_RAW_DATA, |
| 2362 | cyapa->electrodes_x + cyapa->electrodes_y, |
| 2363 | &raw_cap_self_max, &raw_cap_self_min, |
| 2364 | &raw_cap_self_ave, |
| 2365 | NULL); |
| 2366 | if (error) |
| 2367 | goto resume_scanning; |
| 2368 | |
| 2369 | /* 7. Retrieve panel scan, mutual cap diffcount raw data. */ |
| 2370 | error = cyapa_gen5_read_panel_scan_raw_data(cyapa, |
| 2371 | GEN5_CMD_RETRIEVE_PANEL_SCAN, |
| 2372 | GEN5_PANEL_SCAN_MUTUAL_DIFFCOUNT, |
| 2373 | cyapa->electrodes_x * cyapa->electrodes_y, |
| 2374 | &mutual_diffdata_max, &mutual_diffdata_min, |
| 2375 | &mutual_diffdata_ave, |
| 2376 | NULL); |
| 2377 | if (error) |
| 2378 | goto resume_scanning; |
| 2379 | |
| 2380 | /* 8. Retrieve panel scan, self cap diffcount raw data. */ |
| 2381 | error = cyapa_gen5_read_panel_scan_raw_data(cyapa, |
| 2382 | GEN5_CMD_RETRIEVE_PANEL_SCAN, |
| 2383 | GEN5_PANEL_SCAN_SELF_DIFFCOUNT, |
| 2384 | cyapa->electrodes_x + cyapa->electrodes_y, |
| 2385 | &self_diffdata_max, &self_diffdata_min, |
| 2386 | &self_diffdata_ave, |
| 2387 | NULL); |
| 2388 | if (error) |
| 2389 | goto resume_scanning; |
| 2390 | |
| 2391 | /* 9. Retrieve panel scan, mutual cap baseline raw data. */ |
| 2392 | error = cyapa_gen5_read_panel_scan_raw_data(cyapa, |
| 2393 | GEN5_CMD_RETRIEVE_PANEL_SCAN, |
| 2394 | GEN5_PANEL_SCAN_MUTUAL_BASELINE, |
| 2395 | cyapa->electrodes_x * cyapa->electrodes_y, |
| 2396 | &mutual_baseline_max, &mutual_baseline_min, |
| 2397 | &mutual_baseline_ave, |
| 2398 | NULL); |
| 2399 | if (error) |
| 2400 | goto resume_scanning; |
| 2401 | |
| 2402 | /* 10. Retrieve panel scan, self cap baseline raw data. */ |
| 2403 | error = cyapa_gen5_read_panel_scan_raw_data(cyapa, |
| 2404 | GEN5_CMD_RETRIEVE_PANEL_SCAN, |
| 2405 | GEN5_PANEL_SCAN_SELF_BASELINE, |
| 2406 | cyapa->electrodes_x + cyapa->electrodes_y, |
| 2407 | &self_baseline_max, &self_baseline_min, |
| 2408 | &self_baseline_ave, |
| 2409 | NULL); |
| 2410 | if (error) |
| 2411 | goto resume_scanning; |
| 2412 | |
| 2413 | resume_scanning: |
| 2414 | /* 11. Resume Scanning*/ |
Dudley Du | 9489761 | 2015-07-20 16:49:06 -0700 | [diff] [blame] | 2415 | resume_error = cyapa_pip_resume_scanning(cyapa); |
Dudley Du | 6499d39 | 2015-01-17 22:16:01 -0800 | [diff] [blame] | 2416 | if (resume_error || error) |
| 2417 | return resume_error ? resume_error : error; |
| 2418 | |
| 2419 | /* 12. Output data strings */ |
| 2420 | size = scnprintf(buf, PAGE_SIZE, "%d %d %d %d %d %d %d %d %d %d %d ", |
| 2421 | gidac_mutual_min, gidac_mutual_max, gidac_mutual_ave, |
| 2422 | lidac_mutual_min, lidac_mutual_max, lidac_mutual_ave, |
| 2423 | gidac_self_rx, gidac_self_tx, |
| 2424 | lidac_self_min, lidac_self_max, lidac_self_ave); |
| 2425 | size += scnprintf(buf + size, PAGE_SIZE - size, |
| 2426 | "%d %d %d %d %d %d %d %d %d %d %d %d %d %d %d %d %d %d\n", |
| 2427 | raw_cap_mutual_min, raw_cap_mutual_max, raw_cap_mutual_ave, |
| 2428 | raw_cap_self_min, raw_cap_self_max, raw_cap_self_ave, |
| 2429 | mutual_diffdata_min, mutual_diffdata_max, mutual_diffdata_ave, |
| 2430 | self_diffdata_min, self_diffdata_max, self_diffdata_ave, |
| 2431 | mutual_baseline_min, mutual_baseline_max, mutual_baseline_ave, |
| 2432 | self_baseline_min, self_baseline_max, self_baseline_ave); |
| 2433 | return size; |
| 2434 | } |
| 2435 | |
Dudley Du | 9489761 | 2015-07-20 16:49:06 -0700 | [diff] [blame] | 2436 | bool cyapa_pip_sort_system_info_data(struct cyapa *cyapa, |
Dudley Du | 6972a85 | 2015-01-17 18:49:37 -0800 | [diff] [blame] | 2437 | u8 *buf, int len) |
| 2438 | { |
| 2439 | /* Check the report id and command code */ |
| 2440 | if (VALID_CMD_RESP_HEADER(buf, 0x02)) |
| 2441 | return true; |
| 2442 | |
| 2443 | return false; |
| 2444 | } |
| 2445 | |
| 2446 | static int cyapa_gen5_bl_query_data(struct cyapa *cyapa) |
| 2447 | { |
Dudley Du | 9489761 | 2015-07-20 16:49:06 -0700 | [diff] [blame] | 2448 | u8 resp_data[PIP_BL_APP_INFO_RESP_LENGTH]; |
Dudley Du | 6972a85 | 2015-01-17 18:49:37 -0800 | [diff] [blame] | 2449 | int resp_len; |
| 2450 | int error; |
| 2451 | |
Dudley Du | 9489761 | 2015-07-20 16:49:06 -0700 | [diff] [blame] | 2452 | resp_len = sizeof(resp_data); |
Dudley Du | 6972a85 | 2015-01-17 18:49:37 -0800 | [diff] [blame] | 2453 | error = cyapa_i2c_pip_cmd_irq_sync(cyapa, |
Dudley Du | 9489761 | 2015-07-20 16:49:06 -0700 | [diff] [blame] | 2454 | pip_bl_read_app_info, PIP_BL_READ_APP_INFO_CMD_LENGTH, |
Dudley Du | 6972a85 | 2015-01-17 18:49:37 -0800 | [diff] [blame] | 2455 | resp_data, &resp_len, |
Dudley Du | 9489761 | 2015-07-20 16:49:06 -0700 | [diff] [blame] | 2456 | 500, cyapa_sort_tsg_pip_bl_resp_data, false); |
| 2457 | if (error || resp_len < PIP_BL_APP_INFO_RESP_LENGTH || |
| 2458 | !PIP_CMD_COMPLETE_SUCCESS(resp_data)) |
Dudley Du | 6972a85 | 2015-01-17 18:49:37 -0800 | [diff] [blame] | 2459 | return error ? error : -EIO; |
| 2460 | |
| 2461 | memcpy(&cyapa->product_id[0], &resp_data[8], 5); |
| 2462 | cyapa->product_id[5] = '-'; |
| 2463 | memcpy(&cyapa->product_id[6], &resp_data[13], 6); |
| 2464 | cyapa->product_id[12] = '-'; |
| 2465 | memcpy(&cyapa->product_id[13], &resp_data[19], 2); |
| 2466 | cyapa->product_id[15] = '\0'; |
| 2467 | |
| 2468 | cyapa->fw_maj_ver = resp_data[22]; |
| 2469 | cyapa->fw_min_ver = resp_data[23]; |
| 2470 | |
Dudley Du | c2c06c4 | 2015-07-20 16:53:30 -0700 | [diff] [blame] | 2471 | cyapa->platform_ver = (resp_data[26] >> PIP_BL_PLATFORM_VER_SHIFT) & |
| 2472 | PIP_BL_PLATFORM_VER_MASK; |
| 2473 | |
Dudley Du | 6972a85 | 2015-01-17 18:49:37 -0800 | [diff] [blame] | 2474 | return 0; |
| 2475 | } |
| 2476 | |
| 2477 | static int cyapa_gen5_get_query_data(struct cyapa *cyapa) |
| 2478 | { |
Dudley Du | 9489761 | 2015-07-20 16:49:06 -0700 | [diff] [blame] | 2479 | u8 resp_data[PIP_READ_SYS_INFO_RESP_LENGTH]; |
Dudley Du | 6972a85 | 2015-01-17 18:49:37 -0800 | [diff] [blame] | 2480 | int resp_len; |
| 2481 | u16 product_family; |
| 2482 | int error; |
| 2483 | |
| 2484 | resp_len = sizeof(resp_data); |
| 2485 | error = cyapa_i2c_pip_cmd_irq_sync(cyapa, |
Dudley Du | 9489761 | 2015-07-20 16:49:06 -0700 | [diff] [blame] | 2486 | pip_read_sys_info, PIP_READ_SYS_INFO_CMD_LENGTH, |
Dudley Du | 6972a85 | 2015-01-17 18:49:37 -0800 | [diff] [blame] | 2487 | resp_data, &resp_len, |
Dudley Du | 9489761 | 2015-07-20 16:49:06 -0700 | [diff] [blame] | 2488 | 2000, cyapa_pip_sort_system_info_data, false); |
Dudley Du | 6972a85 | 2015-01-17 18:49:37 -0800 | [diff] [blame] | 2489 | if (error || resp_len < sizeof(resp_data)) |
| 2490 | return error ? error : -EIO; |
| 2491 | |
| 2492 | product_family = get_unaligned_le16(&resp_data[7]); |
Dudley Du | 9489761 | 2015-07-20 16:49:06 -0700 | [diff] [blame] | 2493 | if ((product_family & PIP_PRODUCT_FAMILY_MASK) != |
| 2494 | PIP_PRODUCT_FAMILY_TRACKPAD) |
Dudley Du | 6972a85 | 2015-01-17 18:49:37 -0800 | [diff] [blame] | 2495 | return -EINVAL; |
| 2496 | |
Dudley Du | c2c06c4 | 2015-07-20 16:53:30 -0700 | [diff] [blame] | 2497 | cyapa->platform_ver = (resp_data[49] >> PIP_BL_PLATFORM_VER_SHIFT) & |
| 2498 | PIP_BL_PLATFORM_VER_MASK; |
| 2499 | if (cyapa->gen == CYAPA_GEN5 && cyapa->platform_ver < 2) { |
| 2500 | /* Gen5 firmware that does not support proximity. */ |
| 2501 | cyapa->fw_maj_ver = resp_data[15]; |
| 2502 | cyapa->fw_min_ver = resp_data[16]; |
| 2503 | } else { |
| 2504 | cyapa->fw_maj_ver = resp_data[9]; |
| 2505 | cyapa->fw_min_ver = resp_data[10]; |
| 2506 | } |
Dudley Du | 6972a85 | 2015-01-17 18:49:37 -0800 | [diff] [blame] | 2507 | |
| 2508 | cyapa->electrodes_x = resp_data[52]; |
| 2509 | cyapa->electrodes_y = resp_data[53]; |
| 2510 | |
| 2511 | cyapa->physical_size_x = get_unaligned_le16(&resp_data[54]) / 100; |
| 2512 | cyapa->physical_size_y = get_unaligned_le16(&resp_data[56]) / 100; |
| 2513 | |
| 2514 | cyapa->max_abs_x = get_unaligned_le16(&resp_data[58]); |
| 2515 | cyapa->max_abs_y = get_unaligned_le16(&resp_data[60]); |
| 2516 | |
| 2517 | cyapa->max_z = get_unaligned_le16(&resp_data[62]); |
| 2518 | |
| 2519 | cyapa->x_origin = resp_data[64] & 0x01; |
| 2520 | cyapa->y_origin = resp_data[65] & 0x01; |
| 2521 | |
| 2522 | cyapa->btn_capability = (resp_data[70] << 3) & CAPABILITY_BTN_MASK; |
| 2523 | |
| 2524 | memcpy(&cyapa->product_id[0], &resp_data[33], 5); |
| 2525 | cyapa->product_id[5] = '-'; |
| 2526 | memcpy(&cyapa->product_id[6], &resp_data[38], 6); |
| 2527 | cyapa->product_id[12] = '-'; |
| 2528 | memcpy(&cyapa->product_id[13], &resp_data[44], 2); |
| 2529 | cyapa->product_id[15] = '\0'; |
| 2530 | |
| 2531 | if (!cyapa->electrodes_x || !cyapa->electrodes_y || |
| 2532 | !cyapa->physical_size_x || !cyapa->physical_size_y || |
| 2533 | !cyapa->max_abs_x || !cyapa->max_abs_y || !cyapa->max_z) |
| 2534 | return -EINVAL; |
| 2535 | |
| 2536 | return 0; |
| 2537 | } |
| 2538 | |
| 2539 | static int cyapa_gen5_do_operational_check(struct cyapa *cyapa) |
| 2540 | { |
| 2541 | struct device *dev = &cyapa->client->dev; |
| 2542 | int error; |
| 2543 | |
| 2544 | if (cyapa->gen != CYAPA_GEN5) |
| 2545 | return -ENODEV; |
| 2546 | |
| 2547 | switch (cyapa->state) { |
| 2548 | case CYAPA_STATE_GEN5_BL: |
Dudley Du | 9489761 | 2015-07-20 16:49:06 -0700 | [diff] [blame] | 2549 | error = cyapa_pip_bl_exit(cyapa); |
Dudley Du | 6972a85 | 2015-01-17 18:49:37 -0800 | [diff] [blame] | 2550 | if (error) { |
Dudley Du | 9489761 | 2015-07-20 16:49:06 -0700 | [diff] [blame] | 2551 | /* Try to update trackpad product information. */ |
Dudley Du | 6972a85 | 2015-01-17 18:49:37 -0800 | [diff] [blame] | 2552 | cyapa_gen5_bl_query_data(cyapa); |
| 2553 | goto out; |
| 2554 | } |
| 2555 | |
| 2556 | cyapa->state = CYAPA_STATE_GEN5_APP; |
| 2557 | |
| 2558 | case CYAPA_STATE_GEN5_APP: |
| 2559 | /* |
| 2560 | * If trackpad device in deep sleep mode, |
| 2561 | * the app command will fail. |
| 2562 | * So always try to reset trackpad device to full active when |
Dudley Du | 9489761 | 2015-07-20 16:49:06 -0700 | [diff] [blame] | 2563 | * the device state is required. |
Dudley Du | 6972a85 | 2015-01-17 18:49:37 -0800 | [diff] [blame] | 2564 | */ |
| 2565 | error = cyapa_gen5_set_power_mode(cyapa, |
Dudley Du | 3cd4786 | 2016-03-04 11:23:09 -0800 | [diff] [blame] | 2566 | PWR_MODE_FULL_ACTIVE, 0, CYAPA_PM_ACTIVE); |
Dudley Du | 6972a85 | 2015-01-17 18:49:37 -0800 | [diff] [blame] | 2567 | if (error) |
| 2568 | dev_warn(dev, "%s: failed to set power active mode.\n", |
| 2569 | __func__); |
| 2570 | |
Dudley Du | 945525e | 2015-07-20 16:57:53 -0700 | [diff] [blame] | 2571 | /* By default, the trackpad proximity function is enabled. */ |
Dudley Du | 0642ffd | 2015-07-30 11:26:39 -0700 | [diff] [blame] | 2572 | if (cyapa->platform_ver >= 2) { |
| 2573 | error = cyapa_pip_set_proximity(cyapa, true); |
| 2574 | if (error) |
| 2575 | dev_warn(dev, |
| 2576 | "%s: failed to enable proximity.\n", |
| 2577 | __func__); |
| 2578 | } |
Dudley Du | 945525e | 2015-07-20 16:57:53 -0700 | [diff] [blame] | 2579 | |
Dudley Du | 6972a85 | 2015-01-17 18:49:37 -0800 | [diff] [blame] | 2580 | /* Get trackpad product information. */ |
| 2581 | error = cyapa_gen5_get_query_data(cyapa); |
| 2582 | if (error) |
| 2583 | goto out; |
| 2584 | /* Only support product ID starting with CYTRA */ |
| 2585 | if (memcmp(cyapa->product_id, product_id, |
| 2586 | strlen(product_id)) != 0) { |
| 2587 | dev_err(dev, "%s: unknown product ID (%s)\n", |
| 2588 | __func__, cyapa->product_id); |
| 2589 | error = -EINVAL; |
| 2590 | } |
| 2591 | break; |
| 2592 | default: |
| 2593 | error = -EINVAL; |
| 2594 | } |
| 2595 | |
| 2596 | out: |
| 2597 | return error; |
| 2598 | } |
| 2599 | |
| 2600 | /* |
| 2601 | * Return false, do not continue process |
| 2602 | * Return true, continue process. |
| 2603 | */ |
Dudley Du | 9489761 | 2015-07-20 16:49:06 -0700 | [diff] [blame] | 2604 | bool cyapa_pip_irq_cmd_handler(struct cyapa *cyapa) |
Dudley Du | 6972a85 | 2015-01-17 18:49:37 -0800 | [diff] [blame] | 2605 | { |
Dudley Du | 9489761 | 2015-07-20 16:49:06 -0700 | [diff] [blame] | 2606 | struct cyapa_pip_cmd_states *pip = &cyapa->cmd_states.pip; |
Dudley Du | 6972a85 | 2015-01-17 18:49:37 -0800 | [diff] [blame] | 2607 | int length; |
| 2608 | |
Dudley Du | 9489761 | 2015-07-20 16:49:06 -0700 | [diff] [blame] | 2609 | if (atomic_read(&pip->cmd_issued)) { |
Dudley Du | 6972a85 | 2015-01-17 18:49:37 -0800 | [diff] [blame] | 2610 | /* Polling command response data. */ |
Dudley Du | 9489761 | 2015-07-20 16:49:06 -0700 | [diff] [blame] | 2611 | if (pip->is_irq_mode == false) |
Dudley Du | 6972a85 | 2015-01-17 18:49:37 -0800 | [diff] [blame] | 2612 | return false; |
| 2613 | |
| 2614 | /* |
| 2615 | * Read out all none command response data. |
| 2616 | * these output data may caused by user put finger on |
| 2617 | * trackpad when host waiting the command response. |
| 2618 | */ |
Dudley Du | 9489761 | 2015-07-20 16:49:06 -0700 | [diff] [blame] | 2619 | cyapa_i2c_pip_read(cyapa, pip->irq_cmd_buf, |
| 2620 | PIP_RESP_LENGTH_SIZE); |
| 2621 | length = get_unaligned_le16(pip->irq_cmd_buf); |
| 2622 | length = (length <= PIP_RESP_LENGTH_SIZE) ? |
| 2623 | PIP_RESP_LENGTH_SIZE : length; |
| 2624 | if (length > PIP_RESP_LENGTH_SIZE) |
Dudley Du | 6972a85 | 2015-01-17 18:49:37 -0800 | [diff] [blame] | 2625 | cyapa_i2c_pip_read(cyapa, |
Dudley Du | 9489761 | 2015-07-20 16:49:06 -0700 | [diff] [blame] | 2626 | pip->irq_cmd_buf, length); |
| 2627 | if (!(pip->resp_sort_func && |
| 2628 | pip->resp_sort_func(cyapa, |
| 2629 | pip->irq_cmd_buf, length))) { |
Dudley Du | 6972a85 | 2015-01-17 18:49:37 -0800 | [diff] [blame] | 2630 | /* |
Dudley Du | 9489761 | 2015-07-20 16:49:06 -0700 | [diff] [blame] | 2631 | * Cover the Gen5 V1 firmware issue. |
| 2632 | * The issue is no interrupt would be asserted from |
| 2633 | * trackpad device to host for the command response |
| 2634 | * ready event. Because when there was a finger touch |
| 2635 | * on trackpad device, and the firmware output queue |
| 2636 | * won't be empty (always with touch report data), so |
| 2637 | * the interrupt signal won't be asserted again until |
| 2638 | * the output queue was previous emptied. |
| 2639 | * This issue would happen in the scenario that |
| 2640 | * user always has his/her fingers touched on the |
| 2641 | * trackpad device during system booting/rebooting. |
Dudley Du | 6972a85 | 2015-01-17 18:49:37 -0800 | [diff] [blame] | 2642 | */ |
Dudley Du | a535a9f | 2015-01-22 08:17:16 -0800 | [diff] [blame] | 2643 | length = 0; |
Dudley Du | 9489761 | 2015-07-20 16:49:06 -0700 | [diff] [blame] | 2644 | if (pip->resp_len) |
| 2645 | length = *pip->resp_len; |
Dudley Du | 6972a85 | 2015-01-17 18:49:37 -0800 | [diff] [blame] | 2646 | cyapa_empty_pip_output_data(cyapa, |
Dudley Du | 9489761 | 2015-07-20 16:49:06 -0700 | [diff] [blame] | 2647 | pip->resp_data, |
Dudley Du | 6972a85 | 2015-01-17 18:49:37 -0800 | [diff] [blame] | 2648 | &length, |
Dudley Du | 9489761 | 2015-07-20 16:49:06 -0700 | [diff] [blame] | 2649 | pip->resp_sort_func); |
| 2650 | if (pip->resp_len && length != 0) { |
| 2651 | *pip->resp_len = length; |
| 2652 | atomic_dec(&pip->cmd_issued); |
| 2653 | complete(&pip->cmd_ready); |
Dudley Du | 6972a85 | 2015-01-17 18:49:37 -0800 | [diff] [blame] | 2654 | } |
| 2655 | return false; |
| 2656 | } |
| 2657 | |
Dudley Du | 9489761 | 2015-07-20 16:49:06 -0700 | [diff] [blame] | 2658 | if (pip->resp_data && pip->resp_len) { |
| 2659 | *pip->resp_len = (*pip->resp_len < length) ? |
| 2660 | *pip->resp_len : length; |
| 2661 | memcpy(pip->resp_data, pip->irq_cmd_buf, |
| 2662 | *pip->resp_len); |
Dudley Du | 6972a85 | 2015-01-17 18:49:37 -0800 | [diff] [blame] | 2663 | } |
Dudley Du | 9489761 | 2015-07-20 16:49:06 -0700 | [diff] [blame] | 2664 | atomic_dec(&pip->cmd_issued); |
| 2665 | complete(&pip->cmd_ready); |
Dudley Du | 6972a85 | 2015-01-17 18:49:37 -0800 | [diff] [blame] | 2666 | return false; |
| 2667 | } |
| 2668 | |
| 2669 | return true; |
| 2670 | } |
| 2671 | |
Dudley Du | 9489761 | 2015-07-20 16:49:06 -0700 | [diff] [blame] | 2672 | static void cyapa_pip_report_buttons(struct cyapa *cyapa, |
| 2673 | const struct cyapa_pip_report_data *report_data) |
Dudley Du | 6972a85 | 2015-01-17 18:49:37 -0800 | [diff] [blame] | 2674 | { |
| 2675 | struct input_dev *input = cyapa->input; |
Dudley Du | 9489761 | 2015-07-20 16:49:06 -0700 | [diff] [blame] | 2676 | u8 buttons = report_data->report_head[PIP_BUTTONS_OFFSET]; |
Dudley Du | 6972a85 | 2015-01-17 18:49:37 -0800 | [diff] [blame] | 2677 | |
| 2678 | buttons = (buttons << CAPABILITY_BTN_SHIFT) & CAPABILITY_BTN_MASK; |
| 2679 | |
| 2680 | if (cyapa->btn_capability & CAPABILITY_LEFT_BTN_MASK) { |
| 2681 | input_report_key(input, BTN_LEFT, |
| 2682 | !!(buttons & CAPABILITY_LEFT_BTN_MASK)); |
| 2683 | } |
| 2684 | if (cyapa->btn_capability & CAPABILITY_MIDDLE_BTN_MASK) { |
| 2685 | input_report_key(input, BTN_MIDDLE, |
| 2686 | !!(buttons & CAPABILITY_MIDDLE_BTN_MASK)); |
| 2687 | } |
| 2688 | if (cyapa->btn_capability & CAPABILITY_RIGHT_BTN_MASK) { |
| 2689 | input_report_key(input, BTN_RIGHT, |
| 2690 | !!(buttons & CAPABILITY_RIGHT_BTN_MASK)); |
| 2691 | } |
| 2692 | |
| 2693 | input_sync(input); |
| 2694 | } |
| 2695 | |
Dudley Du | 945525e | 2015-07-20 16:57:53 -0700 | [diff] [blame] | 2696 | static void cyapa_pip_report_proximity(struct cyapa *cyapa, |
| 2697 | const struct cyapa_pip_report_data *report_data) |
| 2698 | { |
| 2699 | struct input_dev *input = cyapa->input; |
| 2700 | u8 distance = report_data->report_head[PIP_PROXIMITY_DISTANCE_OFFSET] & |
| 2701 | PIP_PROXIMITY_DISTANCE_MASK; |
| 2702 | |
| 2703 | input_report_abs(input, ABS_DISTANCE, distance); |
| 2704 | input_sync(input); |
| 2705 | } |
| 2706 | |
Dudley Du | 9489761 | 2015-07-20 16:49:06 -0700 | [diff] [blame] | 2707 | static void cyapa_pip_report_slot_data(struct cyapa *cyapa, |
| 2708 | const struct cyapa_pip_touch_record *touch) |
Dudley Du | 6972a85 | 2015-01-17 18:49:37 -0800 | [diff] [blame] | 2709 | { |
| 2710 | struct input_dev *input = cyapa->input; |
Dudley Du | 9489761 | 2015-07-20 16:49:06 -0700 | [diff] [blame] | 2711 | u8 event_id = PIP_GET_EVENT_ID(touch->touch_tip_event_id); |
| 2712 | int slot = PIP_GET_TOUCH_ID(touch->touch_tip_event_id); |
Dudley Du | 6972a85 | 2015-01-17 18:49:37 -0800 | [diff] [blame] | 2713 | int x, y; |
| 2714 | |
| 2715 | if (event_id == RECORD_EVENT_LIFTOFF) |
| 2716 | return; |
| 2717 | |
| 2718 | input_mt_slot(input, slot); |
| 2719 | input_mt_report_slot_state(input, MT_TOOL_FINGER, true); |
| 2720 | x = (touch->x_hi << 8) | touch->x_lo; |
| 2721 | if (cyapa->x_origin) |
| 2722 | x = cyapa->max_abs_x - x; |
Dudley Du | 6972a85 | 2015-01-17 18:49:37 -0800 | [diff] [blame] | 2723 | y = (touch->y_hi << 8) | touch->y_lo; |
| 2724 | if (cyapa->y_origin) |
| 2725 | y = cyapa->max_abs_y - y; |
Dudley Du | 9489761 | 2015-07-20 16:49:06 -0700 | [diff] [blame] | 2726 | input_report_abs(input, ABS_MT_POSITION_X, x); |
Dudley Du | 6972a85 | 2015-01-17 18:49:37 -0800 | [diff] [blame] | 2727 | input_report_abs(input, ABS_MT_POSITION_Y, y); |
Dudley Du | 945525e | 2015-07-20 16:57:53 -0700 | [diff] [blame] | 2728 | input_report_abs(input, ABS_DISTANCE, 0); |
Dudley Du | 6972a85 | 2015-01-17 18:49:37 -0800 | [diff] [blame] | 2729 | input_report_abs(input, ABS_MT_PRESSURE, |
| 2730 | touch->z); |
| 2731 | input_report_abs(input, ABS_MT_TOUCH_MAJOR, |
| 2732 | touch->major_axis_len); |
| 2733 | input_report_abs(input, ABS_MT_TOUCH_MINOR, |
| 2734 | touch->minor_axis_len); |
| 2735 | |
| 2736 | input_report_abs(input, ABS_MT_WIDTH_MAJOR, |
| 2737 | touch->major_tool_len); |
| 2738 | input_report_abs(input, ABS_MT_WIDTH_MINOR, |
| 2739 | touch->minor_tool_len); |
| 2740 | |
| 2741 | input_report_abs(input, ABS_MT_ORIENTATION, |
| 2742 | touch->orientation); |
| 2743 | } |
| 2744 | |
Dudley Du | 9489761 | 2015-07-20 16:49:06 -0700 | [diff] [blame] | 2745 | static void cyapa_pip_report_touches(struct cyapa *cyapa, |
| 2746 | const struct cyapa_pip_report_data *report_data) |
Dudley Du | 6972a85 | 2015-01-17 18:49:37 -0800 | [diff] [blame] | 2747 | { |
| 2748 | struct input_dev *input = cyapa->input; |
| 2749 | unsigned int touch_num; |
| 2750 | int i; |
| 2751 | |
Dudley Du | 9489761 | 2015-07-20 16:49:06 -0700 | [diff] [blame] | 2752 | touch_num = report_data->report_head[PIP_NUMBER_OF_TOUCH_OFFSET] & |
| 2753 | PIP_NUMBER_OF_TOUCH_MASK; |
Dudley Du | 6972a85 | 2015-01-17 18:49:37 -0800 | [diff] [blame] | 2754 | |
| 2755 | for (i = 0; i < touch_num; i++) |
Dudley Du | 9489761 | 2015-07-20 16:49:06 -0700 | [diff] [blame] | 2756 | cyapa_pip_report_slot_data(cyapa, |
Dudley Du | 6972a85 | 2015-01-17 18:49:37 -0800 | [diff] [blame] | 2757 | &report_data->touch_records[i]); |
| 2758 | |
| 2759 | input_mt_sync_frame(input); |
| 2760 | input_sync(input); |
| 2761 | } |
| 2762 | |
Dudley Du | 9489761 | 2015-07-20 16:49:06 -0700 | [diff] [blame] | 2763 | int cyapa_pip_irq_handler(struct cyapa *cyapa) |
Dudley Du | 6972a85 | 2015-01-17 18:49:37 -0800 | [diff] [blame] | 2764 | { |
| 2765 | struct device *dev = &cyapa->client->dev; |
Dudley Du | 9489761 | 2015-07-20 16:49:06 -0700 | [diff] [blame] | 2766 | struct cyapa_pip_report_data report_data; |
Dudley Du | 6972a85 | 2015-01-17 18:49:37 -0800 | [diff] [blame] | 2767 | unsigned int report_len; |
Dudley Du | 9489761 | 2015-07-20 16:49:06 -0700 | [diff] [blame] | 2768 | int ret; |
Dudley Du | 6972a85 | 2015-01-17 18:49:37 -0800 | [diff] [blame] | 2769 | |
Dudley Du | 9489761 | 2015-07-20 16:49:06 -0700 | [diff] [blame] | 2770 | if (!cyapa_is_pip_app_mode(cyapa)) { |
Dudley Du | 6972a85 | 2015-01-17 18:49:37 -0800 | [diff] [blame] | 2771 | dev_err(dev, "invalid device state, gen=%d, state=0x%02x\n", |
| 2772 | cyapa->gen, cyapa->state); |
| 2773 | return -EINVAL; |
| 2774 | } |
| 2775 | |
| 2776 | ret = cyapa_i2c_pip_read(cyapa, (u8 *)&report_data, |
Dudley Du | 9489761 | 2015-07-20 16:49:06 -0700 | [diff] [blame] | 2777 | PIP_RESP_LENGTH_SIZE); |
| 2778 | if (ret != PIP_RESP_LENGTH_SIZE) { |
Dudley Du | 6972a85 | 2015-01-17 18:49:37 -0800 | [diff] [blame] | 2779 | dev_err(dev, "failed to read length bytes, (%d)\n", ret); |
| 2780 | return -EINVAL; |
| 2781 | } |
| 2782 | |
| 2783 | report_len = get_unaligned_le16( |
Dudley Du | 9489761 | 2015-07-20 16:49:06 -0700 | [diff] [blame] | 2784 | &report_data.report_head[PIP_RESP_LENGTH_OFFSET]); |
| 2785 | if (report_len < PIP_RESP_LENGTH_SIZE) { |
| 2786 | /* Invalid length or internal reset happened. */ |
Dudley Du | 6972a85 | 2015-01-17 18:49:37 -0800 | [diff] [blame] | 2787 | dev_err(dev, "invalid report_len=%d. bytes: %02x %02x\n", |
| 2788 | report_len, report_data.report_head[0], |
| 2789 | report_data.report_head[1]); |
| 2790 | return -EINVAL; |
| 2791 | } |
| 2792 | |
| 2793 | /* Idle, no data for report. */ |
Dudley Du | 9489761 | 2015-07-20 16:49:06 -0700 | [diff] [blame] | 2794 | if (report_len == PIP_RESP_LENGTH_SIZE) |
Dudley Du | 6972a85 | 2015-01-17 18:49:37 -0800 | [diff] [blame] | 2795 | return 0; |
| 2796 | |
| 2797 | ret = cyapa_i2c_pip_read(cyapa, (u8 *)&report_data, report_len); |
| 2798 | if (ret != report_len) { |
| 2799 | dev_err(dev, "failed to read %d bytes report data, (%d)\n", |
| 2800 | report_len, ret); |
| 2801 | return -EINVAL; |
| 2802 | } |
| 2803 | |
Dudley Du | 3cd4786 | 2016-03-04 11:23:09 -0800 | [diff] [blame] | 2804 | return cyapa_pip_event_process(cyapa, &report_data); |
| 2805 | } |
| 2806 | |
| 2807 | static int cyapa_pip_event_process(struct cyapa *cyapa, |
| 2808 | struct cyapa_pip_report_data *report_data) |
| 2809 | { |
| 2810 | struct device *dev = &cyapa->client->dev; |
| 2811 | unsigned int report_len; |
| 2812 | u8 report_id; |
| 2813 | |
| 2814 | report_len = get_unaligned_le16( |
| 2815 | &report_data->report_head[PIP_RESP_LENGTH_OFFSET]); |
| 2816 | /* Idle, no data for report. */ |
| 2817 | if (report_len == PIP_RESP_LENGTH_SIZE) |
| 2818 | return 0; |
| 2819 | |
| 2820 | report_id = report_data->report_head[PIP_RESP_REPORT_ID_OFFSET]; |
Dudley Du | 9489761 | 2015-07-20 16:49:06 -0700 | [diff] [blame] | 2821 | if (report_id == PIP_WAKEUP_EVENT_REPORT_ID && |
| 2822 | report_len == PIP_WAKEUP_EVENT_SIZE) { |
Dudley Du | 6972a85 | 2015-01-17 18:49:37 -0800 | [diff] [blame] | 2823 | /* |
| 2824 | * Device wake event from deep sleep mode for touch. |
| 2825 | * This interrupt event is used to wake system up. |
Dudley Du | 757cae5 | 2015-07-20 17:09:59 -0700 | [diff] [blame] | 2826 | * |
| 2827 | * Note: |
| 2828 | * It will introduce about 20~40 ms additional delay |
| 2829 | * time in receiving for first valid touch report data. |
| 2830 | * The time is used to execute device runtime resume |
| 2831 | * process. |
Dudley Du | 6972a85 | 2015-01-17 18:49:37 -0800 | [diff] [blame] | 2832 | */ |
Dudley Du | 757cae5 | 2015-07-20 17:09:59 -0700 | [diff] [blame] | 2833 | pm_runtime_get_sync(dev); |
| 2834 | pm_runtime_mark_last_busy(dev); |
| 2835 | pm_runtime_put_sync_autosuspend(dev); |
Dudley Du | 6972a85 | 2015-01-17 18:49:37 -0800 | [diff] [blame] | 2836 | return 0; |
Dudley Du | 9489761 | 2015-07-20 16:49:06 -0700 | [diff] [blame] | 2837 | } else if (report_id != PIP_TOUCH_REPORT_ID && |
| 2838 | report_id != PIP_BTN_REPORT_ID && |
Dudley Du | 6972a85 | 2015-01-17 18:49:37 -0800 | [diff] [blame] | 2839 | report_id != GEN5_OLD_PUSH_BTN_REPORT_ID && |
Dudley Du | 945525e | 2015-07-20 16:57:53 -0700 | [diff] [blame] | 2840 | report_id != PIP_PUSH_BTN_REPORT_ID && |
| 2841 | report_id != PIP_PROXIMITY_REPORT_ID) { |
Dudley Du | 6972a85 | 2015-01-17 18:49:37 -0800 | [diff] [blame] | 2842 | /* Running in BL mode or unknown response data read. */ |
| 2843 | dev_err(dev, "invalid report_id=0x%02x\n", report_id); |
| 2844 | return -EINVAL; |
| 2845 | } |
| 2846 | |
Dudley Du | 9489761 | 2015-07-20 16:49:06 -0700 | [diff] [blame] | 2847 | if (report_id == PIP_TOUCH_REPORT_ID && |
| 2848 | (report_len < PIP_TOUCH_REPORT_HEAD_SIZE || |
| 2849 | report_len > PIP_TOUCH_REPORT_MAX_SIZE)) { |
Dudley Du | 6972a85 | 2015-01-17 18:49:37 -0800 | [diff] [blame] | 2850 | /* Invalid report data length for finger packet. */ |
| 2851 | dev_err(dev, "invalid touch packet length=%d\n", report_len); |
| 2852 | return 0; |
| 2853 | } |
| 2854 | |
Dudley Du | 9489761 | 2015-07-20 16:49:06 -0700 | [diff] [blame] | 2855 | if ((report_id == PIP_BTN_REPORT_ID || |
Dudley Du | 6972a85 | 2015-01-17 18:49:37 -0800 | [diff] [blame] | 2856 | report_id == GEN5_OLD_PUSH_BTN_REPORT_ID || |
Dudley Du | 9489761 | 2015-07-20 16:49:06 -0700 | [diff] [blame] | 2857 | report_id == PIP_PUSH_BTN_REPORT_ID) && |
| 2858 | (report_len < PIP_BTN_REPORT_HEAD_SIZE || |
| 2859 | report_len > PIP_BTN_REPORT_MAX_SIZE)) { |
Dudley Du | 6972a85 | 2015-01-17 18:49:37 -0800 | [diff] [blame] | 2860 | /* Invalid report data length of button packet. */ |
| 2861 | dev_err(dev, "invalid button packet length=%d\n", report_len); |
| 2862 | return 0; |
| 2863 | } |
| 2864 | |
Dudley Du | 945525e | 2015-07-20 16:57:53 -0700 | [diff] [blame] | 2865 | if (report_id == PIP_PROXIMITY_REPORT_ID && |
| 2866 | report_len != PIP_PROXIMITY_REPORT_SIZE) { |
| 2867 | /* Invalid report data length of proximity packet. */ |
| 2868 | dev_err(dev, "invalid proximity data, length=%d\n", report_len); |
| 2869 | return 0; |
| 2870 | } |
| 2871 | |
Dudley Du | 9489761 | 2015-07-20 16:49:06 -0700 | [diff] [blame] | 2872 | if (report_id == PIP_TOUCH_REPORT_ID) |
Dudley Du | 3cd4786 | 2016-03-04 11:23:09 -0800 | [diff] [blame] | 2873 | cyapa_pip_report_touches(cyapa, report_data); |
Dudley Du | 945525e | 2015-07-20 16:57:53 -0700 | [diff] [blame] | 2874 | else if (report_id == PIP_PROXIMITY_REPORT_ID) |
Dudley Du | 3cd4786 | 2016-03-04 11:23:09 -0800 | [diff] [blame] | 2875 | cyapa_pip_report_proximity(cyapa, report_data); |
Dudley Du | 6972a85 | 2015-01-17 18:49:37 -0800 | [diff] [blame] | 2876 | else |
Dudley Du | 3cd4786 | 2016-03-04 11:23:09 -0800 | [diff] [blame] | 2877 | cyapa_pip_report_buttons(cyapa, report_data); |
Dudley Du | 6972a85 | 2015-01-17 18:49:37 -0800 | [diff] [blame] | 2878 | |
| 2879 | return 0; |
| 2880 | } |
| 2881 | |
Dudley Du | 9489761 | 2015-07-20 16:49:06 -0700 | [diff] [blame] | 2882 | int cyapa_pip_bl_activate(struct cyapa *cyapa) { return 0; } |
| 2883 | int cyapa_pip_bl_deactivate(struct cyapa *cyapa) { return 0; } |
| 2884 | |
Dudley Du | 5812d30 | 2015-01-17 22:14:48 -0800 | [diff] [blame] | 2885 | |
Dudley Du | 6972a85 | 2015-01-17 18:49:37 -0800 | [diff] [blame] | 2886 | const struct cyapa_dev_ops cyapa_gen5_ops = { |
Dudley Du | 9489761 | 2015-07-20 16:49:06 -0700 | [diff] [blame] | 2887 | .check_fw = cyapa_pip_check_fw, |
| 2888 | .bl_enter = cyapa_pip_bl_enter, |
| 2889 | .bl_initiate = cyapa_pip_bl_initiate, |
| 2890 | .update_fw = cyapa_pip_do_fw_update, |
| 2891 | .bl_activate = cyapa_pip_bl_activate, |
| 2892 | .bl_deactivate = cyapa_pip_bl_deactivate, |
Dudley Du | 5812d30 | 2015-01-17 22:14:48 -0800 | [diff] [blame] | 2893 | |
Dudley Du | 6499d39 | 2015-01-17 22:16:01 -0800 | [diff] [blame] | 2894 | .show_baseline = cyapa_gen5_show_baseline, |
Dudley Du | 9489761 | 2015-07-20 16:49:06 -0700 | [diff] [blame] | 2895 | .calibrate_store = cyapa_pip_do_calibrate, |
Dudley Du | 6499d39 | 2015-01-17 22:16:01 -0800 | [diff] [blame] | 2896 | |
Dudley Du | 9489761 | 2015-07-20 16:49:06 -0700 | [diff] [blame] | 2897 | .initialize = cyapa_pip_cmd_state_initialize, |
Dudley Du | 6972a85 | 2015-01-17 18:49:37 -0800 | [diff] [blame] | 2898 | |
| 2899 | .state_parse = cyapa_gen5_state_parse, |
| 2900 | .operational_check = cyapa_gen5_do_operational_check, |
| 2901 | |
Dudley Du | 9489761 | 2015-07-20 16:49:06 -0700 | [diff] [blame] | 2902 | .irq_handler = cyapa_pip_irq_handler, |
| 2903 | .irq_cmd_handler = cyapa_pip_irq_cmd_handler, |
Dudley Du | 6972a85 | 2015-01-17 18:49:37 -0800 | [diff] [blame] | 2904 | .sort_empty_output_data = cyapa_empty_pip_output_data, |
| 2905 | .set_power_mode = cyapa_gen5_set_power_mode, |
Dudley Du | 945525e | 2015-07-20 16:57:53 -0700 | [diff] [blame] | 2906 | |
| 2907 | .set_proximity = cyapa_pip_set_proximity, |
Dudley Du | 6972a85 | 2015-01-17 18:49:37 -0800 | [diff] [blame] | 2908 | }; |