| /* |
| * Synaptics DSX touchscreen driver |
| * |
| * Copyright (C) 2012-2015 Synaptics Incorporated. All rights reserved. |
| * |
| * Copyright (C) 2012 Alexandra Chin <alexandra.chin@tw.synaptics.com> |
| * Copyright (C) 2012 Scott Lin <scott.lin@tw.synaptics.com> |
| * Copyright (C) 2018 The Linux Foundation. All rights reserved. |
| * |
| * This program is free software; you can redistribute it and/or modify |
| * it under the terms of the GNU General Public License as published by |
| * the Free Software Foundation; either version 2 of the License, or |
| * (at your option) any later version. |
| * |
| * This program is distributed in the hope that it will be useful, |
| * but WITHOUT ANY WARRANTY; without even the implied warranty of |
| * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| * GNU General Public License for more details. |
| * |
| * INFORMATION CONTAINED IN THIS DOCUMENT IS PROVIDED "AS-IS," AND SYNAPTICS |
| * EXPRESSLY DISCLAIMS ALL EXPRESS AND IMPLIED WARRANTIES, INCLUDING ANY |
| * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE, |
| * AND ANY WARRANTIES OF NON-INFRINGEMENT OF ANY INTELLECTUAL PROPERTY RIGHTS. |
| * IN NO EVENT SHALL SYNAPTICS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, |
| * SPECIAL, PUNITIVE, OR CONSEQUENTIAL DAMAGES ARISING OUT OF OR IN CONNECTION |
| * WITH THE USE OF THE INFORMATION CONTAINED IN THIS DOCUMENT, HOWEVER CAUSED |
| * AND BASED ON ANY THEORY OF LIABILITY, WHETHER IN AN ACTION OF CONTRACT, |
| * NEGLIGENCE OR OTHER TORTIOUS ACTION, AND EVEN IF SYNAPTICS WAS ADVISED OF |
| * THE POSSIBILITY OF SUCH DAMAGE. IF A TRIBUNAL OF COMPETENT JURISDICTION DOES |
| * NOT PERMIT THE DISCLAIMER OF DIRECT DAMAGES OR ANY OTHER DAMAGES, SYNAPTICS' |
| * TOTAL CUMULATIVE LIABILITY TO ANY PARTY SHALL NOT EXCEED ONE HUNDRED U.S. |
| * DOLLARS. |
| */ |
| |
| #include <linux/kernel.h> |
| #include <linux/module.h> |
| #include <linux/slab.h> |
| #include <linux/interrupt.h> |
| #include <linux/delay.h> |
| #include <linux/input.h> |
| #include <linux/gpio.h> |
| #include <linux/platform_device.h> |
| #include <linux/regulator/consumer.h> |
| #include <linux/input/synaptics_dsx_v2_6.h> |
| #include "synaptics_dsx_core.h" |
| #ifdef KERNEL_ABOVE_2_6_38 |
| #include <linux/input/mt.h> |
| #endif |
| |
| #define INPUT_PHYS_NAME "synaptics_dsx/touch_input" |
| #define STYLUS_PHYS_NAME "synaptics_dsx/stylus" |
| |
| #define VIRTUAL_KEY_MAP_FILE_NAME "virtualkeys." PLATFORM_DRIVER_NAME |
| |
| #ifdef KERNEL_ABOVE_2_6_38 |
| #define TYPE_B_PROTOCOL |
| #endif |
| |
| #define NO_0D_WHILE_2D |
| #define REPORT_2D_Z |
| #define REPORT_2D_W |
| /* |
| #define REPORT_2D_PRESSURE |
| */ |
| |
| #define F12_DATA_15_WORKAROUND |
| |
| #define IGNORE_FN_INIT_FAILURE |
| |
| #define FB_READY_RESET |
| #define FB_READY_WAIT_MS 100 |
| #define FB_READY_TIMEOUT_S 30 |
| |
| #define RPT_TYPE (1 << 0) |
| #define RPT_X_LSB (1 << 1) |
| #define RPT_X_MSB (1 << 2) |
| #define RPT_Y_LSB (1 << 3) |
| #define RPT_Y_MSB (1 << 4) |
| #define RPT_Z (1 << 5) |
| #define RPT_WX (1 << 6) |
| #define RPT_WY (1 << 7) |
| #define RPT_DEFAULT (RPT_TYPE | RPT_X_LSB | RPT_X_MSB | RPT_Y_LSB | RPT_Y_MSB) |
| |
| #define REBUILD_WORK_DELAY_MS 500 /* ms */ |
| |
| #define EXP_FN_WORK_DELAY_MS 500 /* ms */ |
| #define MAX_F11_TOUCH_WIDTH 15 |
| #define MAX_F12_TOUCH_WIDTH 255 |
| #define MAX_F12_TOUCH_PRESSURE 255 |
| |
| #define CHECK_STATUS_TIMEOUT_MS 100 |
| |
| #define F01_STD_QUERY_LEN 21 |
| #define F01_BUID_ID_OFFSET 18 |
| |
| #define STATUS_NO_ERROR 0x00 |
| #define STATUS_RESET_OCCURRED 0x01 |
| #define STATUS_INVALID_CONFIG 0x02 |
| #define STATUS_DEVICE_FAILURE 0x03 |
| #define STATUS_CONFIG_CRC_FAILURE 0x04 |
| #define STATUS_FIRMWARE_CRC_FAILURE 0x05 |
| #define STATUS_CRC_IN_PROGRESS 0x06 |
| |
| #define NORMAL_OPERATION (0 << 0) |
| #define SENSOR_SLEEP (1 << 0) |
| #define NO_SLEEP_OFF (0 << 2) |
| #define NO_SLEEP_ON (1 << 2) |
| #define CONFIGURED (1 << 7) |
| |
| #define F11_CONTINUOUS_MODE 0x00 |
| #define F11_WAKEUP_GESTURE_MODE 0x04 |
| #define F12_CONTINUOUS_MODE 0x00 |
| #define F12_WAKEUP_GESTURE_MODE 0x02 |
| #define F12_UDG_DETECT 0x0f |
| |
| #define PWR_VTG_MIN_UV 2700000 |
| #define PWR_VTG_MAX_UV 3600000 |
| #define PWR_ACTIVE_LOAD_UA 2000 |
| #define I2C_VTG_MIN_UV 1710000 |
| #define I2C_VTG_MAX_UV 2000000 |
| #define I2C_ACTIVE_LOAD_UA 7000 |
| |
| static int synaptics_rmi4_check_status(struct synaptics_rmi4_data *rmi4_data, |
| bool *was_in_bl_mode); |
| static int synaptics_rmi4_free_fingers(struct synaptics_rmi4_data *rmi4_data); |
| static int synaptics_rmi4_reset_device(struct synaptics_rmi4_data *rmi4_data, |
| bool rebuild); |
| |
| #ifdef CONFIG_FB |
| static void synaptics_rmi4_fb_notify_resume_work(struct work_struct *work); |
| static int synaptics_rmi4_fb_notifier_cb(struct notifier_block *self, |
| unsigned long event, void *data); |
| #endif |
| |
| #ifdef CONFIG_HAS_EARLYSUSPEND |
| #ifndef CONFIG_FB |
| #define USE_EARLYSUSPEND |
| #endif |
| #endif |
| |
| #ifdef USE_EARLYSUSPEND |
| static void synaptics_rmi4_early_suspend(struct early_suspend *h); |
| |
| static void synaptics_rmi4_late_resume(struct early_suspend *h); |
| #endif |
| |
| static int synaptics_rmi4_suspend(struct device *dev); |
| |
| static int synaptics_rmi4_resume(struct device *dev); |
| |
| static ssize_t synaptics_rmi4_f01_reset_store(struct device *dev, |
| struct device_attribute *attr, const char *buf, size_t count); |
| |
| static ssize_t synaptics_rmi4_f01_productinfo_show(struct device *dev, |
| struct device_attribute *attr, char *buf); |
| |
| static ssize_t synaptics_rmi4_f01_buildid_show(struct device *dev, |
| struct device_attribute *attr, char *buf); |
| |
| static ssize_t synaptics_rmi4_f01_flashprog_show(struct device *dev, |
| struct device_attribute *attr, char *buf); |
| |
| static ssize_t synaptics_rmi4_0dbutton_show(struct device *dev, |
| struct device_attribute *attr, char *buf); |
| |
| static ssize_t synaptics_rmi4_0dbutton_store(struct device *dev, |
| struct device_attribute *attr, const char *buf, size_t count); |
| |
| static ssize_t synaptics_rmi4_suspend_store(struct device *dev, |
| struct device_attribute *attr, const char *buf, size_t count); |
| |
| static ssize_t synaptics_rmi4_wake_gesture_show(struct device *dev, |
| struct device_attribute *attr, char *buf); |
| |
| static ssize_t synaptics_rmi4_wake_gesture_store(struct device *dev, |
| struct device_attribute *attr, const char *buf, size_t count); |
| |
| static ssize_t synaptics_rmi4_virtual_key_map_show(struct kobject *kobj, |
| struct kobj_attribute *attr, char *buf); |
| |
| #if defined(CONFIG_SECURE_TOUCH_SYNAPTICS_DSX_V26) |
| static ssize_t synaptics_rmi4_secure_touch_enable_show(struct device *dev, |
| struct device_attribute *attr, char *buf); |
| |
| static ssize_t synaptics_rmi4_secure_touch_enable_store(struct device *dev, |
| struct device_attribute *attr, const char *buf, size_t count); |
| |
| static ssize_t synaptics_rmi4_secure_touch_show(struct device *dev, |
| struct device_attribute *attr, char *buf); |
| #endif |
| |
| static irqreturn_t synaptics_rmi4_irq(int irq, void *data); |
| |
| struct synaptics_rmi4_f01_device_status { |
| union { |
| struct { |
| unsigned char status_code:4; |
| unsigned char reserved:2; |
| unsigned char flash_prog:1; |
| unsigned char unconfigured:1; |
| } __packed; |
| unsigned char data[1]; |
| }; |
| }; |
| |
| struct synaptics_rmi4_f11_query_0_5 { |
| union { |
| struct { |
| /* query 0 */ |
| unsigned char f11_query0_b0__2:3; |
| unsigned char has_query_9:1; |
| unsigned char has_query_11:1; |
| unsigned char has_query_12:1; |
| unsigned char has_query_27:1; |
| unsigned char has_query_28:1; |
| |
| /* query 1 */ |
| unsigned char num_of_fingers:3; |
| unsigned char has_rel:1; |
| unsigned char has_abs:1; |
| unsigned char has_gestures:1; |
| unsigned char has_sensitibity_adjust:1; |
| unsigned char f11_query1_b7:1; |
| |
| /* query 2 */ |
| unsigned char num_of_x_electrodes; |
| |
| /* query 3 */ |
| unsigned char num_of_y_electrodes; |
| |
| /* query 4 */ |
| unsigned char max_electrodes:7; |
| unsigned char f11_query4_b7:1; |
| |
| /* query 5 */ |
| unsigned char abs_data_size:2; |
| unsigned char has_anchored_finger:1; |
| unsigned char has_adj_hyst:1; |
| unsigned char has_dribble:1; |
| unsigned char has_bending_correction:1; |
| unsigned char has_large_object_suppression:1; |
| unsigned char has_jitter_filter:1; |
| } __packed; |
| unsigned char data[6]; |
| }; |
| }; |
| |
| struct synaptics_rmi4_f11_query_7_8 { |
| union { |
| struct { |
| /* query 7 */ |
| unsigned char has_single_tap:1; |
| unsigned char has_tap_and_hold:1; |
| unsigned char has_double_tap:1; |
| unsigned char has_early_tap:1; |
| unsigned char has_flick:1; |
| unsigned char has_press:1; |
| unsigned char has_pinch:1; |
| unsigned char has_chiral_scroll:1; |
| |
| /* query 8 */ |
| unsigned char has_palm_detect:1; |
| unsigned char has_rotate:1; |
| unsigned char has_touch_shapes:1; |
| unsigned char has_scroll_zones:1; |
| unsigned char individual_scroll_zones:1; |
| unsigned char has_multi_finger_scroll:1; |
| unsigned char has_multi_finger_scroll_edge_motion:1; |
| unsigned char has_multi_finger_scroll_inertia:1; |
| } __packed; |
| unsigned char data[2]; |
| }; |
| }; |
| |
| struct synaptics_rmi4_f11_query_9 { |
| union { |
| struct { |
| unsigned char has_pen:1; |
| unsigned char has_proximity:1; |
| unsigned char has_large_object_sensitivity:1; |
| unsigned char has_suppress_on_large_object_detect:1; |
| unsigned char has_two_pen_thresholds:1; |
| unsigned char has_contact_geometry:1; |
| unsigned char has_pen_hover_discrimination:1; |
| unsigned char has_pen_hover_and_edge_filters:1; |
| } __packed; |
| unsigned char data[1]; |
| }; |
| }; |
| |
| struct synaptics_rmi4_f11_query_12 { |
| union { |
| struct { |
| unsigned char has_small_object_detection:1; |
| unsigned char has_small_object_detection_tuning:1; |
| unsigned char has_8bit_w:1; |
| unsigned char has_2d_adjustable_mapping:1; |
| unsigned char has_general_information_2:1; |
| unsigned char has_physical_properties:1; |
| unsigned char has_finger_limit:1; |
| unsigned char has_linear_cofficient_2:1; |
| } __packed; |
| unsigned char data[1]; |
| }; |
| }; |
| |
| struct synaptics_rmi4_f11_query_27 { |
| union { |
| struct { |
| unsigned char f11_query27_b0:1; |
| unsigned char has_pen_position_correction:1; |
| unsigned char has_pen_jitter_filter_coefficient:1; |
| unsigned char has_group_decomposition:1; |
| unsigned char has_wakeup_gesture:1; |
| unsigned char has_small_finger_correction:1; |
| unsigned char has_data_37:1; |
| unsigned char f11_query27_b7:1; |
| } __packed; |
| unsigned char data[1]; |
| }; |
| }; |
| |
| struct synaptics_rmi4_f11_ctrl_6_9 { |
| union { |
| struct { |
| unsigned char sensor_max_x_pos_7_0; |
| unsigned char sensor_max_x_pos_11_8:4; |
| unsigned char f11_ctrl7_b4__7:4; |
| unsigned char sensor_max_y_pos_7_0; |
| unsigned char sensor_max_y_pos_11_8:4; |
| unsigned char f11_ctrl9_b4__7:4; |
| } __packed; |
| unsigned char data[4]; |
| }; |
| }; |
| |
| struct synaptics_rmi4_f11_data_1_5 { |
| union { |
| struct { |
| unsigned char x_position_11_4; |
| unsigned char y_position_11_4; |
| unsigned char x_position_3_0:4; |
| unsigned char y_position_3_0:4; |
| unsigned char wx:4; |
| unsigned char wy:4; |
| unsigned char z; |
| } __packed; |
| unsigned char data[5]; |
| }; |
| }; |
| |
| struct synaptics_rmi4_f12_query_5 { |
| union { |
| struct { |
| unsigned char size_of_query6; |
| struct { |
| unsigned char ctrl0_is_present:1; |
| unsigned char ctrl1_is_present:1; |
| unsigned char ctrl2_is_present:1; |
| unsigned char ctrl3_is_present:1; |
| unsigned char ctrl4_is_present:1; |
| unsigned char ctrl5_is_present:1; |
| unsigned char ctrl6_is_present:1; |
| unsigned char ctrl7_is_present:1; |
| } __packed; |
| struct { |
| unsigned char ctrl8_is_present:1; |
| unsigned char ctrl9_is_present:1; |
| unsigned char ctrl10_is_present:1; |
| unsigned char ctrl11_is_present:1; |
| unsigned char ctrl12_is_present:1; |
| unsigned char ctrl13_is_present:1; |
| unsigned char ctrl14_is_present:1; |
| unsigned char ctrl15_is_present:1; |
| } __packed; |
| struct { |
| unsigned char ctrl16_is_present:1; |
| unsigned char ctrl17_is_present:1; |
| unsigned char ctrl18_is_present:1; |
| unsigned char ctrl19_is_present:1; |
| unsigned char ctrl20_is_present:1; |
| unsigned char ctrl21_is_present:1; |
| unsigned char ctrl22_is_present:1; |
| unsigned char ctrl23_is_present:1; |
| } __packed; |
| struct { |
| unsigned char ctrl24_is_present:1; |
| unsigned char ctrl25_is_present:1; |
| unsigned char ctrl26_is_present:1; |
| unsigned char ctrl27_is_present:1; |
| unsigned char ctrl28_is_present:1; |
| unsigned char ctrl29_is_present:1; |
| unsigned char ctrl30_is_present:1; |
| unsigned char ctrl31_is_present:1; |
| } __packed; |
| }; |
| unsigned char data[5]; |
| }; |
| }; |
| |
| struct synaptics_rmi4_f12_query_8 { |
| union { |
| struct { |
| unsigned char size_of_query9; |
| struct { |
| unsigned char data0_is_present:1; |
| unsigned char data1_is_present:1; |
| unsigned char data2_is_present:1; |
| unsigned char data3_is_present:1; |
| unsigned char data4_is_present:1; |
| unsigned char data5_is_present:1; |
| unsigned char data6_is_present:1; |
| unsigned char data7_is_present:1; |
| } __packed; |
| struct { |
| unsigned char data8_is_present:1; |
| unsigned char data9_is_present:1; |
| unsigned char data10_is_present:1; |
| unsigned char data11_is_present:1; |
| unsigned char data12_is_present:1; |
| unsigned char data13_is_present:1; |
| unsigned char data14_is_present:1; |
| unsigned char data15_is_present:1; |
| } __packed; |
| struct { |
| unsigned char data16_is_present:1; |
| unsigned char data17_is_present:1; |
| unsigned char data18_is_present:1; |
| unsigned char data19_is_present:1; |
| unsigned char data20_is_present:1; |
| unsigned char data21_is_present:1; |
| unsigned char data22_is_present:1; |
| unsigned char data23_is_present:1; |
| } __packed; |
| }; |
| unsigned char data[4]; |
| }; |
| }; |
| |
| struct synaptics_rmi4_f12_ctrl_8 { |
| union { |
| struct { |
| unsigned char max_x_coord_lsb; |
| unsigned char max_x_coord_msb; |
| unsigned char max_y_coord_lsb; |
| unsigned char max_y_coord_msb; |
| unsigned char rx_pitch_lsb; |
| unsigned char rx_pitch_msb; |
| unsigned char tx_pitch_lsb; |
| unsigned char tx_pitch_msb; |
| unsigned char low_rx_clip; |
| unsigned char high_rx_clip; |
| unsigned char low_tx_clip; |
| unsigned char high_tx_clip; |
| unsigned char num_of_rx; |
| unsigned char num_of_tx; |
| }; |
| unsigned char data[14]; |
| }; |
| }; |
| |
| struct synaptics_rmi4_f12_ctrl_23 { |
| union { |
| struct { |
| unsigned char finger_enable:1; |
| unsigned char active_stylus_enable:1; |
| unsigned char palm_enable:1; |
| unsigned char unclassified_object_enable:1; |
| unsigned char hovering_finger_enable:1; |
| unsigned char gloved_finger_enable:1; |
| unsigned char f12_ctr23_00_b6__7:2; |
| unsigned char max_reported_objects; |
| unsigned char f12_ctr23_02_b0:1; |
| unsigned char report_active_stylus_as_finger:1; |
| unsigned char report_palm_as_finger:1; |
| unsigned char report_unclassified_object_as_finger:1; |
| unsigned char report_hovering_finger_as_finger:1; |
| unsigned char report_gloved_finger_as_finger:1; |
| unsigned char report_narrow_object_swipe_as_finger:1; |
| unsigned char report_handedge_as_finger:1; |
| unsigned char cover_enable:1; |
| unsigned char stylus_enable:1; |
| unsigned char eraser_enable:1; |
| unsigned char small_object_enable:1; |
| unsigned char f12_ctr23_03_b4__7:4; |
| unsigned char report_cover_as_finger:1; |
| unsigned char report_stylus_as_finger:1; |
| unsigned char report_eraser_as_finger:1; |
| unsigned char report_small_object_as_finger:1; |
| unsigned char f12_ctr23_04_b4__7:4; |
| }; |
| unsigned char data[5]; |
| }; |
| }; |
| |
| struct synaptics_rmi4_f12_ctrl_31 { |
| union { |
| struct { |
| unsigned char max_x_coord_lsb; |
| unsigned char max_x_coord_msb; |
| unsigned char max_y_coord_lsb; |
| unsigned char max_y_coord_msb; |
| unsigned char rx_pitch_lsb; |
| unsigned char rx_pitch_msb; |
| unsigned char rx_clip_low; |
| unsigned char rx_clip_high; |
| unsigned char wedge_clip_low; |
| unsigned char wedge_clip_high; |
| unsigned char num_of_p; |
| unsigned char num_of_q; |
| }; |
| unsigned char data[12]; |
| }; |
| }; |
| |
| struct synaptics_rmi4_f12_finger_data { |
| unsigned char object_type_and_status; |
| unsigned char x_lsb; |
| unsigned char x_msb; |
| unsigned char y_lsb; |
| unsigned char y_msb; |
| #ifdef REPORT_2D_Z |
| unsigned char z; |
| #endif |
| #ifdef REPORT_2D_W |
| unsigned char wx; |
| unsigned char wy; |
| #endif |
| }; |
| |
| struct synaptics_rmi4_f1a_query { |
| union { |
| struct { |
| unsigned char max_button_count:3; |
| unsigned char f1a_query0_b3__4:2; |
| unsigned char has_query4:1; |
| unsigned char has_query3:1; |
| unsigned char has_query2:1; |
| unsigned char has_general_control:1; |
| unsigned char has_interrupt_enable:1; |
| unsigned char has_multibutton_select:1; |
| unsigned char has_tx_rx_map:1; |
| unsigned char has_perbutton_threshold:1; |
| unsigned char has_release_threshold:1; |
| unsigned char has_strongestbtn_hysteresis:1; |
| unsigned char has_filter_strength:1; |
| } __packed; |
| unsigned char data[2]; |
| }; |
| }; |
| |
| struct synaptics_rmi4_f1a_query_4 { |
| union { |
| struct { |
| unsigned char has_ctrl19:1; |
| unsigned char f1a_query4_b1__4:4; |
| unsigned char has_ctrl24:1; |
| unsigned char f1a_query4_b6__7:2; |
| } __packed; |
| unsigned char data[1]; |
| }; |
| }; |
| |
| struct synaptics_rmi4_f1a_control_0 { |
| union { |
| struct { |
| unsigned char multibutton_report:2; |
| unsigned char filter_mode:2; |
| unsigned char reserved:4; |
| } __packed; |
| unsigned char data[1]; |
| }; |
| }; |
| |
| struct synaptics_rmi4_f1a_control { |
| struct synaptics_rmi4_f1a_control_0 general_control; |
| unsigned char button_int_enable; |
| unsigned char multi_button; |
| unsigned char *txrx_map; |
| unsigned char *button_threshold; |
| unsigned char button_release_threshold; |
| unsigned char strongest_button_hysteresis; |
| unsigned char filter_strength; |
| }; |
| |
| struct synaptics_rmi4_f1a_handle { |
| int button_bitmask_size; |
| unsigned char max_count; |
| unsigned char valid_button_count; |
| unsigned char *button_data_buffer; |
| unsigned char *button_map; |
| struct synaptics_rmi4_f1a_query button_query; |
| struct synaptics_rmi4_f1a_control button_control; |
| }; |
| |
| struct synaptics_rmi4_exp_fhandler { |
| struct synaptics_rmi4_exp_fn *exp_fn; |
| bool insert; |
| bool remove; |
| struct list_head link; |
| }; |
| |
| struct synaptics_rmi4_exp_fn_data { |
| bool initialized; |
| bool queue_work; |
| struct mutex mutex; |
| struct list_head list; |
| struct delayed_work work; |
| struct workqueue_struct *workqueue; |
| struct synaptics_rmi4_data *rmi4_data; |
| }; |
| |
| static struct synaptics_rmi4_exp_fn_data exp_data; |
| |
| static struct synaptics_dsx_button_map *vir_button_map; |
| |
| static struct device_attribute attrs[] = { |
| __ATTR(reset, 0220, |
| NULL, |
| synaptics_rmi4_f01_reset_store), |
| __ATTR(productinfo, 0444, |
| synaptics_rmi4_f01_productinfo_show, |
| NULL), |
| __ATTR(buildid, 0444, |
| synaptics_rmi4_f01_buildid_show, |
| NULL), |
| __ATTR(flashprog, 0444, |
| synaptics_rmi4_f01_flashprog_show, |
| NULL), |
| __ATTR(0dbutton, 0664, |
| synaptics_rmi4_0dbutton_show, |
| synaptics_rmi4_0dbutton_store), |
| __ATTR(suspend, 0220, |
| NULL, |
| synaptics_rmi4_suspend_store), |
| __ATTR(wake_gesture, 0664, |
| synaptics_rmi4_wake_gesture_show, |
| synaptics_rmi4_wake_gesture_store), |
| #if defined(CONFIG_SECURE_TOUCH_SYNAPTICS_DSX_V26) |
| __ATTR(secure_touch_enable, 0664, |
| synaptics_rmi4_secure_touch_enable_show, |
| synaptics_rmi4_secure_touch_enable_store), |
| __ATTR(secure_touch, 0444, |
| synaptics_rmi4_secure_touch_show, |
| NULL), |
| #endif |
| }; |
| |
| static struct kobj_attribute virtual_key_map_attr = { |
| .attr = { |
| .name = VIRTUAL_KEY_MAP_FILE_NAME, |
| .mode = S_IRUGO, |
| }, |
| .show = synaptics_rmi4_virtual_key_map_show, |
| }; |
| |
| #if defined(CONFIG_SECURE_TOUCH_SYNAPTICS_DSX_V26) |
| static void synaptics_secure_touch_init(struct synaptics_rmi4_data *data) |
| { |
| data->st_initialized = 0; |
| init_completion(&data->st_powerdown); |
| init_completion(&data->st_irq_processed); |
| |
| /* Get clocks */ |
| data->core_clk = devm_clk_get(data->pdev->dev.parent, "core_clk"); |
| if (IS_ERR(data->core_clk)) { |
| dev_warn(data->pdev->dev.parent, |
| "%s: error on clk_get(core_clk): %ld\n", __func__, |
| PTR_ERR(data->core_clk)); |
| data->core_clk = NULL; |
| } |
| |
| data->iface_clk = devm_clk_get(data->pdev->dev.parent, "iface_clk"); |
| if (IS_ERR(data->iface_clk)) { |
| dev_warn(data->pdev->dev.parent, |
| "%s: error on clk_get(iface_clk): %ld\n", __func__, |
| PTR_ERR(data->iface_clk)); |
| data->iface_clk = NULL; |
| } |
| |
| data->st_initialized = 1; |
| } |
| |
| static void synaptics_secure_touch_notify(struct synaptics_rmi4_data *rmi4_data) |
| { |
| sysfs_notify(&rmi4_data->input_dev->dev.kobj, NULL, "secure_touch"); |
| } |
| |
| static irqreturn_t synaptics_filter_interrupt( |
| struct synaptics_rmi4_data *rmi4_data) |
| { |
| if (atomic_read(&rmi4_data->st_enabled)) { |
| if (atomic_cmpxchg(&rmi4_data->st_pending_irqs, 0, 1) == 0) { |
| reinit_completion(&rmi4_data->st_irq_processed); |
| synaptics_secure_touch_notify(rmi4_data); |
| wait_for_completion_interruptible( |
| &rmi4_data->st_irq_processed); |
| } |
| return IRQ_HANDLED; |
| } |
| return IRQ_NONE; |
| } |
| |
| /* |
| * 'blocking' variable will have value 'true' when we want to prevent the driver |
| * from accessing the xPU/SMMU protected HW resources while the session is |
| * active. |
| */ |
| static void synaptics_secure_touch_stop(struct synaptics_rmi4_data *rmi4_data, |
| bool blocking) |
| { |
| if (atomic_read(&rmi4_data->st_enabled)) { |
| atomic_set(&rmi4_data->st_pending_irqs, -1); |
| synaptics_secure_touch_notify(rmi4_data); |
| if (blocking) |
| wait_for_completion_interruptible( |
| &rmi4_data->st_powerdown); |
| } |
| } |
| |
| #else |
| static void synaptics_secure_touch_init(struct synaptics_rmi4_data *rmi4_data) |
| { |
| } |
| |
| static irqreturn_t synaptics_filter_interrupt( |
| struct synaptics_rmi4_data *rmi4_data) |
| { |
| return IRQ_NONE; |
| } |
| |
| static void synaptics_secure_touch_stop(struct synaptics_rmi4_data *rmi4_data, |
| bool blocking) |
| { |
| } |
| #endif |
| |
| #if defined(CONFIG_SECURE_TOUCH_SYNAPTICS_DSX_V26) |
| static ssize_t synaptics_rmi4_secure_touch_enable_show(struct device *dev, |
| struct device_attribute *attr, char *buf) |
| { |
| struct synaptics_rmi4_data *rmi4_data = dev_get_drvdata(dev); |
| |
| return scnprintf(buf, PAGE_SIZE, "%d", |
| atomic_read(&rmi4_data->st_enabled)); |
| } |
| /* |
| * Accept only "0" and "1" valid values. |
| * "0" will reset the st_enabled flag, then wake up the reading process and |
| * the interrupt handler. |
| * The bus driver is notified via pm_runtime that it is not required to stay |
| * awake anymore. |
| * It will also make sure the queue of events is emptied in the controller, |
| * in case a touch happened in between the secure touch being disabled and |
| * the local ISR being ungated. |
| * "1" will set the st_enabled flag and clear the st_pending_irqs flag. |
| * The bus driver is requested via pm_runtime to stay awake. |
| */ |
| static ssize_t synaptics_rmi4_secure_touch_enable_store(struct device *dev, |
| struct device_attribute *attr, |
| const char *buf, size_t count) |
| { |
| struct synaptics_rmi4_data *rmi4_data = dev_get_drvdata(dev); |
| unsigned long value; |
| int err = 0; |
| |
| if (count > 2) |
| return -EINVAL; |
| |
| err = kstrtoul(buf, 10, &value); |
| if (err != 0) |
| return err; |
| |
| if (!rmi4_data->st_initialized) |
| return -EIO; |
| |
| err = count; |
| |
| switch (value) { |
| case 0: |
| if (atomic_read(&rmi4_data->st_enabled) == 0) |
| break; |
| |
| synaptics_rmi4_bus_put(rmi4_data); |
| atomic_set(&rmi4_data->st_enabled, 0); |
| synaptics_secure_touch_notify(rmi4_data); |
| complete(&rmi4_data->st_irq_processed); |
| synaptics_rmi4_irq(rmi4_data->irq, rmi4_data); |
| complete(&rmi4_data->st_powerdown); |
| |
| break; |
| case 1: |
| if (atomic_read(&rmi4_data->st_enabled)) { |
| err = -EBUSY; |
| break; |
| } |
| |
| synchronize_irq(rmi4_data->irq); |
| |
| if (synaptics_rmi4_bus_get(rmi4_data) < 0) { |
| dev_err( |
| rmi4_data->pdev->dev.parent, |
| "synaptics_rmi4_bus_get failed\n"); |
| err = -EIO; |
| break; |
| } |
| reinit_completion(&rmi4_data->st_powerdown); |
| reinit_completion(&rmi4_data->st_irq_processed); |
| atomic_set(&rmi4_data->st_enabled, 1); |
| atomic_set(&rmi4_data->st_pending_irqs, 0); |
| break; |
| default: |
| dev_err( |
| rmi4_data->pdev->dev.parent, |
| "unsupported value: %lu\n", value); |
| err = -EINVAL; |
| break; |
| } |
| return err; |
| } |
| |
| /* |
| * This function returns whether there are pending interrupts, or |
| * other error conditions that need to be signaled to the userspace library, |
| * according tot he following logic: |
| * - st_enabled is 0 if secure touch is not enabled, returning -EBADF |
| * - st_pending_irqs is -1 to signal that secure touch is in being stopped, |
| * returning -EINVAL |
| * - st_pending_irqs is 1 to signal that there is a pending irq, returning |
| * the value "1" to the sysfs read operation |
| * - st_pending_irqs is 0 (only remaining case left) if the pending interrupt |
| * has been processed, so the interrupt handler can be allowed to continue. |
| */ |
| static ssize_t synaptics_rmi4_secure_touch_show(struct device *dev, |
| struct device_attribute *attr, char *buf) |
| { |
| struct synaptics_rmi4_data *rmi4_data = dev_get_drvdata(dev); |
| int val = 0; |
| |
| if (atomic_read(&rmi4_data->st_enabled) == 0) |
| return -EBADF; |
| |
| if (atomic_cmpxchg(&rmi4_data->st_pending_irqs, -1, 0) == -1) |
| return -EINVAL; |
| |
| if (atomic_cmpxchg(&rmi4_data->st_pending_irqs, 1, 0) == 1) |
| val = 1; |
| else |
| complete(&rmi4_data->st_irq_processed); |
| |
| return scnprintf(buf, PAGE_SIZE, "%u", val); |
| |
| } |
| #endif |
| |
| static ssize_t synaptics_rmi4_f01_reset_store(struct device *dev, |
| struct device_attribute *attr, const char *buf, size_t count) |
| { |
| int retval; |
| unsigned int reset; |
| struct synaptics_rmi4_data *rmi4_data = dev_get_drvdata(dev); |
| |
| if (sscanf(buf, "%u", &reset) != 1) |
| return -EINVAL; |
| |
| if (reset != 1) |
| return -EINVAL; |
| |
| retval = synaptics_rmi4_reset_device(rmi4_data, false); |
| if (retval < 0) { |
| dev_err(rmi4_data->pdev->dev.parent, |
| "%s: Failed to issue reset command, error = %d\n", |
| __func__, retval); |
| return retval; |
| } |
| |
| return count; |
| } |
| |
| static ssize_t synaptics_rmi4_f01_productinfo_show(struct device *dev, |
| struct device_attribute *attr, char *buf) |
| { |
| struct synaptics_rmi4_data *rmi4_data = dev_get_drvdata(dev); |
| |
| return snprintf(buf, PAGE_SIZE, "0x%02x 0x%02x\n", |
| (rmi4_data->rmi4_mod_info.product_info[0]), |
| (rmi4_data->rmi4_mod_info.product_info[1])); |
| } |
| |
| static ssize_t synaptics_rmi4_f01_buildid_show(struct device *dev, |
| struct device_attribute *attr, char *buf) |
| { |
| struct synaptics_rmi4_data *rmi4_data = dev_get_drvdata(dev); |
| |
| return snprintf(buf, PAGE_SIZE, "%u\n", |
| rmi4_data->firmware_id); |
| } |
| |
| static ssize_t synaptics_rmi4_f01_flashprog_show(struct device *dev, |
| struct device_attribute *attr, char *buf) |
| { |
| int retval; |
| struct synaptics_rmi4_f01_device_status device_status; |
| struct synaptics_rmi4_data *rmi4_data = dev_get_drvdata(dev); |
| |
| retval = synaptics_rmi4_reg_read(rmi4_data, |
| rmi4_data->f01_data_base_addr, |
| device_status.data, |
| sizeof(device_status.data)); |
| if (retval < 0) { |
| dev_err(rmi4_data->pdev->dev.parent, |
| "%s: Failed to read device status, error = %d\n", |
| __func__, retval); |
| return retval; |
| } |
| |
| return snprintf(buf, PAGE_SIZE, "%u\n", |
| device_status.flash_prog); |
| } |
| |
| static ssize_t synaptics_rmi4_0dbutton_show(struct device *dev, |
| struct device_attribute *attr, char *buf) |
| { |
| struct synaptics_rmi4_data *rmi4_data = dev_get_drvdata(dev); |
| |
| return snprintf(buf, PAGE_SIZE, "%u\n", |
| rmi4_data->button_0d_enabled); |
| } |
| |
| static ssize_t synaptics_rmi4_0dbutton_store(struct device *dev, |
| struct device_attribute *attr, const char *buf, size_t count) |
| { |
| int retval; |
| unsigned int input; |
| unsigned char ii; |
| unsigned char intr_enable; |
| struct synaptics_rmi4_fn *fhandler; |
| struct synaptics_rmi4_data *rmi4_data = dev_get_drvdata(dev); |
| struct synaptics_rmi4_device_info *rmi; |
| |
| rmi = &(rmi4_data->rmi4_mod_info); |
| |
| if (sscanf(buf, "%u", &input) != 1) |
| return -EINVAL; |
| |
| input = input > 0 ? 1 : 0; |
| |
| if (rmi4_data->button_0d_enabled == input) |
| return count; |
| |
| if (list_empty(&rmi->support_fn_list)) |
| return -ENODEV; |
| |
| list_for_each_entry(fhandler, &rmi->support_fn_list, link) { |
| if (fhandler->fn_number == SYNAPTICS_RMI4_F1A) { |
| ii = fhandler->intr_reg_num; |
| |
| retval = synaptics_rmi4_reg_read(rmi4_data, |
| rmi4_data->f01_ctrl_base_addr + 1 + ii, |
| &intr_enable, |
| sizeof(intr_enable)); |
| if (retval < 0) |
| return retval; |
| |
| if (input == 1) |
| intr_enable |= fhandler->intr_mask; |
| else |
| intr_enable &= ~fhandler->intr_mask; |
| |
| retval = synaptics_rmi4_reg_write(rmi4_data, |
| rmi4_data->f01_ctrl_base_addr + 1 + ii, |
| &intr_enable, |
| sizeof(intr_enable)); |
| if (retval < 0) |
| return retval; |
| } |
| } |
| |
| rmi4_data->button_0d_enabled = input; |
| |
| return count; |
| } |
| |
| static ssize_t synaptics_rmi4_suspend_store(struct device *dev, |
| struct device_attribute *attr, const char *buf, size_t count) |
| { |
| unsigned int input; |
| |
| if (sscanf(buf, "%u", &input) != 1) |
| return -EINVAL; |
| |
| if (input == 1) |
| synaptics_rmi4_suspend(dev); |
| else if (input == 0) |
| synaptics_rmi4_resume(dev); |
| else |
| return -EINVAL; |
| |
| return count; |
| } |
| |
| static ssize_t synaptics_rmi4_wake_gesture_show(struct device *dev, |
| struct device_attribute *attr, char *buf) |
| { |
| struct synaptics_rmi4_data *rmi4_data = dev_get_drvdata(dev); |
| |
| return snprintf(buf, PAGE_SIZE, "%u\n", |
| rmi4_data->enable_wakeup_gesture); |
| } |
| |
| static ssize_t synaptics_rmi4_wake_gesture_store(struct device *dev, |
| struct device_attribute *attr, const char *buf, size_t count) |
| { |
| unsigned int input; |
| struct synaptics_rmi4_data *rmi4_data = dev_get_drvdata(dev); |
| |
| if (sscanf(buf, "%u", &input) != 1) |
| return -EINVAL; |
| |
| input = input > 0 ? 1 : 0; |
| |
| if (rmi4_data->f11_wakeup_gesture || rmi4_data->f12_wakeup_gesture) { |
| rmi4_data->enable_wakeup_gesture = input; |
| rmi4_data->wakeup_gesture_en = input; |
| } |
| |
| return count; |
| } |
| |
| static ssize_t synaptics_rmi4_virtual_key_map_show(struct kobject *kobj, |
| struct kobj_attribute *attr, char *buf) |
| { |
| int ii; |
| int cnt; |
| int count = 0; |
| |
| for (ii = 0; ii < vir_button_map->nbuttons; ii++) { |
| cnt = snprintf(buf, PAGE_SIZE - count, "0x01:%d:%d:%d:%d:%d\n", |
| vir_button_map->map[ii * 5 + 0], |
| vir_button_map->map[ii * 5 + 1], |
| vir_button_map->map[ii * 5 + 2], |
| vir_button_map->map[ii * 5 + 3], |
| vir_button_map->map[ii * 5 + 4]); |
| buf += cnt; |
| count += cnt; |
| } |
| |
| return count; |
| } |
| |
| static int synaptics_rmi4_f11_abs_report(struct synaptics_rmi4_data *rmi4_data, |
| struct synaptics_rmi4_fn *fhandler) |
| { |
| int retval; |
| unsigned char touch_count = 0; /* number of touch points */ |
| unsigned char reg_index; |
| unsigned char finger; |
| unsigned char fingers_supported; |
| unsigned char num_of_finger_status_regs; |
| unsigned char finger_shift; |
| unsigned char finger_status; |
| unsigned char finger_status_reg[3]; |
| unsigned char detected_gestures; |
| unsigned short data_addr; |
| unsigned short data_offset; |
| int x; |
| int y; |
| int wx; |
| int wy; |
| int temp; |
| struct synaptics_rmi4_f11_data_1_5 data; |
| struct synaptics_rmi4_f11_extra_data *extra_data; |
| |
| /* |
| * The number of finger status registers is determined by the |
| * maximum number of fingers supported - 2 bits per finger. So |
| * the number of finger status registers to read is: |
| * register_count = ceil(max_num_of_fingers / 4) |
| */ |
| fingers_supported = fhandler->num_of_data_points; |
| num_of_finger_status_regs = (fingers_supported + 3) / 4; |
| data_addr = fhandler->full_addr.data_base; |
| |
| extra_data = (struct synaptics_rmi4_f11_extra_data *)fhandler->extra; |
| |
| if (rmi4_data->suspend && rmi4_data->enable_wakeup_gesture) { |
| retval = synaptics_rmi4_reg_read(rmi4_data, |
| data_addr + extra_data->data38_offset, |
| &detected_gestures, |
| sizeof(detected_gestures)); |
| if (retval < 0) |
| return 0; |
| |
| if (detected_gestures) { |
| input_report_key(rmi4_data->input_dev, KEY_WAKEUP, 1); |
| input_sync(rmi4_data->input_dev); |
| input_report_key(rmi4_data->input_dev, KEY_WAKEUP, 0); |
| input_sync(rmi4_data->input_dev); |
| } |
| |
| return 0; |
| } |
| |
| retval = synaptics_rmi4_reg_read(rmi4_data, |
| data_addr, |
| finger_status_reg, |
| num_of_finger_status_regs); |
| if (retval < 0) |
| return 0; |
| |
| mutex_lock(&(rmi4_data->rmi4_report_mutex)); |
| |
| for (finger = 0; finger < fingers_supported; finger++) { |
| reg_index = finger / 4; |
| finger_shift = (finger % 4) * 2; |
| finger_status = (finger_status_reg[reg_index] >> finger_shift) |
| & MASK_2BIT; |
| |
| /* |
| * Each 2-bit finger status field represents the following: |
| * 00 = finger not present |
| * 01 = finger present and data accurate |
| * 10 = finger present but data may be inaccurate |
| * 11 = reserved |
| */ |
| #ifdef TYPE_B_PROTOCOL |
| input_mt_slot(rmi4_data->input_dev, finger); |
| input_mt_report_slot_state(rmi4_data->input_dev, |
| MT_TOOL_FINGER, finger_status); |
| #endif |
| |
| if (finger_status) { |
| data_offset = data_addr + |
| num_of_finger_status_regs + |
| (finger * sizeof(data.data)); |
| retval = synaptics_rmi4_reg_read(rmi4_data, |
| data_offset, |
| data.data, |
| sizeof(data.data)); |
| if (retval < 0) { |
| touch_count = 0; |
| goto exit; |
| } |
| |
| x = (data.x_position_11_4 << 4) | data.x_position_3_0; |
| y = (data.y_position_11_4 << 4) | data.y_position_3_0; |
| wx = data.wx; |
| wy = data.wy; |
| |
| if (rmi4_data->hw_if->board_data->swap_axes) { |
| temp = x; |
| x = y; |
| y = temp; |
| temp = wx; |
| wx = wy; |
| wy = temp; |
| } |
| |
| if (rmi4_data->hw_if->board_data->x_flip) |
| x = rmi4_data->sensor_max_x - x; |
| if (rmi4_data->hw_if->board_data->y_flip) |
| y = rmi4_data->sensor_max_y - y; |
| |
| input_report_key(rmi4_data->input_dev, |
| BTN_TOUCH, 1); |
| input_report_key(rmi4_data->input_dev, |
| BTN_TOOL_FINGER, 1); |
| input_report_abs(rmi4_data->input_dev, |
| ABS_MT_POSITION_X, x); |
| input_report_abs(rmi4_data->input_dev, |
| ABS_MT_POSITION_Y, y); |
| #ifdef REPORT_2D_W |
| input_report_abs(rmi4_data->input_dev, |
| ABS_MT_TOUCH_MAJOR, max(wx, wy)); |
| input_report_abs(rmi4_data->input_dev, |
| ABS_MT_TOUCH_MINOR, min(wx, wy)); |
| #endif |
| #ifndef TYPE_B_PROTOCOL |
| input_mt_sync(rmi4_data->input_dev); |
| #endif |
| |
| dev_dbg(rmi4_data->pdev->dev.parent, |
| "%s: Finger %d: status = 0x%02x, x = %d, y = %d, wx = %d, wy = %d\n", |
| __func__, finger, |
| finger_status, |
| x, y, wx, wy); |
| |
| touch_count++; |
| } |
| } |
| |
| if (touch_count == 0) { |
| input_report_key(rmi4_data->input_dev, |
| BTN_TOUCH, 0); |
| input_report_key(rmi4_data->input_dev, |
| BTN_TOOL_FINGER, 0); |
| #ifndef TYPE_B_PROTOCOL |
| input_mt_sync(rmi4_data->input_dev); |
| #endif |
| } |
| |
| input_sync(rmi4_data->input_dev); |
| |
| exit: |
| mutex_unlock(&(rmi4_data->rmi4_report_mutex)); |
| |
| return touch_count; |
| } |
| |
| static int synaptics_rmi4_f12_abs_report(struct synaptics_rmi4_data *rmi4_data, |
| struct synaptics_rmi4_fn *fhandler) |
| { |
| int retval; |
| unsigned char touch_count = 0; /* number of touch points */ |
| unsigned char index; |
| unsigned char finger; |
| unsigned char fingers_to_process; |
| unsigned char finger_status; |
| unsigned char size_of_2d_data; |
| unsigned char gesture_type; |
| unsigned short data_addr; |
| int x; |
| int y; |
| int wx; |
| int wy; |
| int temp; |
| #ifdef REPORT_2D_PRESSURE |
| int pressure; |
| #endif |
| struct synaptics_rmi4_f12_extra_data *extra_data; |
| struct synaptics_rmi4_f12_finger_data *data; |
| struct synaptics_rmi4_f12_finger_data *finger_data; |
| static unsigned char finger_presence; |
| static unsigned char stylus_presence; |
| #ifdef F12_DATA_15_WORKAROUND |
| static unsigned char objects_already_present; |
| #endif |
| |
| fingers_to_process = fhandler->num_of_data_points; |
| data_addr = fhandler->full_addr.data_base; |
| extra_data = (struct synaptics_rmi4_f12_extra_data *)fhandler->extra; |
| size_of_2d_data = sizeof(struct synaptics_rmi4_f12_finger_data); |
| |
| if (rmi4_data->suspend && rmi4_data->enable_wakeup_gesture) { |
| retval = synaptics_rmi4_reg_read(rmi4_data, |
| data_addr + extra_data->data4_offset, |
| rmi4_data->gesture_detection, |
| sizeof(rmi4_data->gesture_detection)); |
| if (retval < 0) |
| return 0; |
| |
| gesture_type = rmi4_data->gesture_detection[0]; |
| |
| if (gesture_type && gesture_type != F12_UDG_DETECT) { |
| input_report_key(rmi4_data->input_dev, KEY_WAKEUP, 1); |
| input_sync(rmi4_data->input_dev); |
| input_report_key(rmi4_data->input_dev, KEY_WAKEUP, 0); |
| input_sync(rmi4_data->input_dev); |
| } |
| |
| return 0; |
| } |
| |
| /* Determine the total number of fingers to process */ |
| if (extra_data->data15_size) { |
| retval = synaptics_rmi4_reg_read(rmi4_data, |
| data_addr + extra_data->data15_offset, |
| extra_data->data15_data, |
| extra_data->data15_size); |
| if (retval < 0) |
| return 0; |
| |
| /* Start checking from the highest bit */ |
| index = extra_data->data15_size - 1; /* Highest byte */ |
| finger = (fingers_to_process - 1) % 8; /* Highest bit */ |
| do { |
| if (extra_data->data15_data[index] & (1 << finger)) |
| break; |
| |
| if (finger) { |
| finger--; |
| } else if (index > 0) { |
| index--; /* Move to the next lower byte */ |
| finger = 7; |
| } |
| |
| fingers_to_process--; |
| } while (fingers_to_process); |
| |
| dev_dbg(rmi4_data->pdev->dev.parent, |
| "%s: Number of fingers to process = %d\n", |
| __func__, fingers_to_process); |
| } |
| |
| #ifdef F12_DATA_15_WORKAROUND |
| fingers_to_process = max(fingers_to_process, objects_already_present); |
| #endif |
| |
| if (!fingers_to_process) { |
| synaptics_rmi4_free_fingers(rmi4_data); |
| finger_presence = 0; |
| stylus_presence = 0; |
| return 0; |
| } |
| |
| retval = synaptics_rmi4_reg_read(rmi4_data, |
| data_addr + extra_data->data1_offset, |
| (unsigned char *)fhandler->data, |
| fingers_to_process * size_of_2d_data); |
| if (retval < 0) |
| return 0; |
| |
| data = (struct synaptics_rmi4_f12_finger_data *)fhandler->data; |
| |
| #ifdef REPORT_2D_PRESSURE |
| if (rmi4_data->report_pressure) { |
| retval = synaptics_rmi4_reg_read(rmi4_data, |
| data_addr + extra_data->data23_offset, |
| extra_data->data23_data, |
| fingers_to_process); |
| if (retval < 0) |
| return 0; |
| } |
| #endif |
| |
| mutex_lock(&(rmi4_data->rmi4_report_mutex)); |
| |
| for (finger = 0; finger < fingers_to_process; finger++) { |
| finger_data = data + finger; |
| finger_status = finger_data->object_type_and_status; |
| |
| #ifdef F12_DATA_15_WORKAROUND |
| objects_already_present = finger + 1; |
| #endif |
| |
| x = (finger_data->x_msb << 8) | (finger_data->x_lsb); |
| y = (finger_data->y_msb << 8) | (finger_data->y_lsb); |
| #ifdef REPORT_2D_W |
| wx = finger_data->wx; |
| wy = finger_data->wy; |
| #endif |
| |
| if (rmi4_data->hw_if->board_data->swap_axes) { |
| temp = x; |
| x = y; |
| y = temp; |
| temp = wx; |
| wx = wy; |
| wy = temp; |
| } |
| |
| if (rmi4_data->hw_if->board_data->x_flip) |
| x = rmi4_data->sensor_max_x - x; |
| if (rmi4_data->hw_if->board_data->y_flip) |
| y = rmi4_data->sensor_max_y - y; |
| |
| switch (finger_status) { |
| case F12_FINGER_STATUS: |
| case F12_GLOVED_FINGER_STATUS: |
| /* Stylus has priority over fingers */ |
| if (stylus_presence) |
| break; |
| #ifdef TYPE_B_PROTOCOL |
| input_mt_slot(rmi4_data->input_dev, finger); |
| input_mt_report_slot_state(rmi4_data->input_dev, |
| MT_TOOL_FINGER, 1); |
| #endif |
| |
| input_report_key(rmi4_data->input_dev, |
| BTN_TOUCH, 1); |
| input_report_key(rmi4_data->input_dev, |
| BTN_TOOL_FINGER, 1); |
| input_report_abs(rmi4_data->input_dev, |
| ABS_MT_POSITION_X, x); |
| input_report_abs(rmi4_data->input_dev, |
| ABS_MT_POSITION_Y, y); |
| #ifdef REPORT_2D_W |
| if (rmi4_data->wedge_sensor) { |
| input_report_abs(rmi4_data->input_dev, |
| ABS_MT_TOUCH_MAJOR, wx); |
| input_report_abs(rmi4_data->input_dev, |
| ABS_MT_TOUCH_MINOR, wx); |
| } else { |
| input_report_abs(rmi4_data->input_dev, |
| ABS_MT_TOUCH_MAJOR, |
| max(wx, wy)); |
| input_report_abs(rmi4_data->input_dev, |
| ABS_MT_TOUCH_MINOR, |
| min(wx, wy)); |
| } |
| #endif |
| #ifdef REPORT_2D_PRESSURE |
| if (rmi4_data->report_pressure) { |
| pressure = extra_data->data23_data[finger]; |
| input_report_abs(rmi4_data->input_dev, |
| ABS_MT_PRESSURE, pressure); |
| } |
| #endif |
| #ifndef TYPE_B_PROTOCOL |
| input_mt_sync(rmi4_data->input_dev); |
| #endif |
| |
| dev_dbg(rmi4_data->pdev->dev.parent, |
| "%s: Finger %d: status = 0x%02x, x = %d, y = %d, wx = %d, wy = %d\n", |
| __func__, finger, |
| finger_status, |
| x, y, wx, wy); |
| |
| finger_presence = 1; |
| touch_count++; |
| break; |
| case F12_PALM_STATUS: |
| dev_dbg(rmi4_data->pdev->dev.parent, |
| "%s: Finger %d: x = %d, y = %d, wx = %d, wy = %d\n", |
| __func__, finger, |
| x, y, wx, wy); |
| break; |
| case F12_STYLUS_STATUS: |
| case F12_ERASER_STATUS: |
| if (!rmi4_data->stylus_enable) |
| break; |
| /* Stylus has priority over fingers */ |
| if (finger_presence) { |
| mutex_unlock(&(rmi4_data->rmi4_report_mutex)); |
| synaptics_rmi4_free_fingers(rmi4_data); |
| mutex_lock(&(rmi4_data->rmi4_report_mutex)); |
| finger_presence = 0; |
| } |
| if (stylus_presence) {/* Allow one stylus at a timee */ |
| if (finger + 1 != stylus_presence) |
| break; |
| } |
| input_report_key(rmi4_data->stylus_dev, |
| BTN_TOUCH, 1); |
| if (finger_status == F12_STYLUS_STATUS) { |
| input_report_key(rmi4_data->stylus_dev, |
| BTN_TOOL_PEN, 1); |
| } else { |
| input_report_key(rmi4_data->stylus_dev, |
| BTN_TOOL_RUBBER, 1); |
| } |
| input_report_abs(rmi4_data->stylus_dev, |
| ABS_X, x); |
| input_report_abs(rmi4_data->stylus_dev, |
| ABS_Y, y); |
| input_sync(rmi4_data->stylus_dev); |
| |
| stylus_presence = finger + 1; |
| touch_count++; |
| break; |
| default: |
| #ifdef TYPE_B_PROTOCOL |
| input_mt_slot(rmi4_data->input_dev, finger); |
| input_mt_report_slot_state(rmi4_data->input_dev, |
| MT_TOOL_FINGER, 0); |
| #endif |
| break; |
| } |
| } |
| |
| if (touch_count == 0) { |
| finger_presence = 0; |
| #ifdef F12_DATA_15_WORKAROUND |
| objects_already_present = 0; |
| #endif |
| input_report_key(rmi4_data->input_dev, |
| BTN_TOUCH, 0); |
| input_report_key(rmi4_data->input_dev, |
| BTN_TOOL_FINGER, 0); |
| #ifndef TYPE_B_PROTOCOL |
| input_mt_sync(rmi4_data->input_dev); |
| #endif |
| |
| if (rmi4_data->stylus_enable) { |
| stylus_presence = 0; |
| input_report_key(rmi4_data->stylus_dev, |
| BTN_TOUCH, 0); |
| input_report_key(rmi4_data->stylus_dev, |
| BTN_TOOL_PEN, 0); |
| if (rmi4_data->eraser_enable) { |
| input_report_key(rmi4_data->stylus_dev, |
| BTN_TOOL_RUBBER, 0); |
| } |
| input_sync(rmi4_data->stylus_dev); |
| } |
| } |
| |
| input_sync(rmi4_data->input_dev); |
| |
| mutex_unlock(&(rmi4_data->rmi4_report_mutex)); |
| |
| return touch_count; |
| } |
| |
| static void synaptics_rmi4_f1a_report(struct synaptics_rmi4_data *rmi4_data, |
| struct synaptics_rmi4_fn *fhandler) |
| { |
| int retval; |
| unsigned char touch_count = 0; |
| unsigned char button; |
| unsigned char index; |
| unsigned char shift; |
| unsigned char status; |
| unsigned char *data; |
| unsigned short data_addr = fhandler->full_addr.data_base; |
| struct synaptics_rmi4_f1a_handle *f1a = fhandler->data; |
| static unsigned char do_once = 1; |
| static bool current_status[MAX_NUMBER_OF_BUTTONS]; |
| #ifdef NO_0D_WHILE_2D |
| static bool before_2d_status[MAX_NUMBER_OF_BUTTONS]; |
| static bool while_2d_status[MAX_NUMBER_OF_BUTTONS]; |
| #endif |
| |
| if (do_once) { |
| memset(current_status, 0, sizeof(current_status)); |
| #ifdef NO_0D_WHILE_2D |
| memset(before_2d_status, 0, sizeof(before_2d_status)); |
| memset(while_2d_status, 0, sizeof(while_2d_status)); |
| #endif |
| do_once = 0; |
| } |
| |
| retval = synaptics_rmi4_reg_read(rmi4_data, |
| data_addr, |
| f1a->button_data_buffer, |
| f1a->button_bitmask_size); |
| if (retval < 0) { |
| dev_err(rmi4_data->pdev->dev.parent, |
| "%s: Failed to read button data registers\n", |
| __func__); |
| return; |
| } |
| |
| data = f1a->button_data_buffer; |
| |
| mutex_lock(&(rmi4_data->rmi4_report_mutex)); |
| |
| for (button = 0; button < f1a->valid_button_count; button++) { |
| index = button / 8; |
| shift = button % 8; |
| status = ((data[index] >> shift) & MASK_1BIT); |
| |
| if (current_status[button] == status) |
| continue; |
| else |
| current_status[button] = status; |
| |
| dev_dbg(rmi4_data->pdev->dev.parent, |
| "%s: Button %d (code %d) ->%d\n", |
| __func__, button, |
| f1a->button_map[button], |
| status); |
| #ifdef NO_0D_WHILE_2D |
| if (rmi4_data->fingers_on_2d == false) { |
| if (status == 1) { |
| before_2d_status[button] = 1; |
| } else { |
| if (while_2d_status[button] == 1) { |
| while_2d_status[button] = 0; |
| continue; |
| } else { |
| before_2d_status[button] = 0; |
| } |
| } |
| touch_count++; |
| input_report_key(rmi4_data->input_dev, |
| f1a->button_map[button], |
| status); |
| } else { |
| if (before_2d_status[button] == 1) { |
| before_2d_status[button] = 0; |
| touch_count++; |
| input_report_key(rmi4_data->input_dev, |
| f1a->button_map[button], |
| status); |
| } else { |
| if (status == 1) |
| while_2d_status[button] = 1; |
| else |
| while_2d_status[button] = 0; |
| } |
| } |
| #else |
| touch_count++; |
| input_report_key(rmi4_data->input_dev, |
| f1a->button_map[button], |
| status); |
| #endif |
| } |
| |
| if (touch_count) |
| input_sync(rmi4_data->input_dev); |
| |
| mutex_unlock(&(rmi4_data->rmi4_report_mutex)); |
| |
| return; |
| } |
| |
| static void synaptics_rmi4_report_touch(struct synaptics_rmi4_data *rmi4_data, |
| struct synaptics_rmi4_fn *fhandler) |
| { |
| unsigned char touch_count_2d; |
| |
| dev_dbg(rmi4_data->pdev->dev.parent, |
| "%s: Function %02x reporting\n", |
| __func__, fhandler->fn_number); |
| |
| switch (fhandler->fn_number) { |
| case SYNAPTICS_RMI4_F11: |
| touch_count_2d = synaptics_rmi4_f11_abs_report(rmi4_data, |
| fhandler); |
| |
| if (touch_count_2d) |
| rmi4_data->fingers_on_2d = true; |
| else |
| rmi4_data->fingers_on_2d = false; |
| break; |
| case SYNAPTICS_RMI4_F12: |
| touch_count_2d = synaptics_rmi4_f12_abs_report(rmi4_data, |
| fhandler); |
| |
| if (touch_count_2d) |
| rmi4_data->fingers_on_2d = true; |
| else |
| rmi4_data->fingers_on_2d = false; |
| break; |
| case SYNAPTICS_RMI4_F1A: |
| synaptics_rmi4_f1a_report(rmi4_data, fhandler); |
| break; |
| default: |
| break; |
| } |
| |
| return; |
| } |
| |
| static void synaptics_rmi4_sensor_report(struct synaptics_rmi4_data *rmi4_data, |
| bool report) |
| { |
| int retval; |
| unsigned char data[MAX_INTR_REGISTERS + 1]; |
| unsigned char *intr = &data[1]; |
| bool was_in_bl_mode; |
| struct synaptics_rmi4_f01_device_status status; |
| struct synaptics_rmi4_fn *fhandler; |
| struct synaptics_rmi4_exp_fhandler *exp_fhandler; |
| struct synaptics_rmi4_device_info *rmi; |
| |
| rmi = &(rmi4_data->rmi4_mod_info); |
| |
| if (rmi4_data->stay_awake) { |
| msleep(30); |
| return; |
| } |
| |
| /* |
| * Get interrupt status information from F01 Data1 register to |
| * determine the source(s) that are flagging the interrupt. |
| */ |
| retval = synaptics_rmi4_reg_read(rmi4_data, |
| rmi4_data->f01_data_base_addr, |
| data, |
| rmi4_data->num_of_intr_regs + 1); |
| if (retval < 0) { |
| dev_err(rmi4_data->pdev->dev.parent, |
| "%s: Failed to read interrupt status\n", |
| __func__); |
| return; |
| } |
| |
| status.data[0] = data[0]; |
| if (status.status_code == STATUS_CRC_IN_PROGRESS) { |
| retval = synaptics_rmi4_check_status(rmi4_data, |
| &was_in_bl_mode); |
| if (retval < 0) { |
| dev_err(rmi4_data->pdev->dev.parent, |
| "%s: Failed to check status\n", |
| __func__); |
| return; |
| } |
| retval = synaptics_rmi4_reg_read(rmi4_data, |
| rmi4_data->f01_data_base_addr, |
| status.data, |
| sizeof(status.data)); |
| if (retval < 0) { |
| dev_err(rmi4_data->pdev->dev.parent, |
| "%s: Failed to read device status\n", |
| __func__); |
| return; |
| } |
| } |
| if (status.unconfigured && !status.flash_prog) { |
| pr_notice("%s: spontaneous reset detected\n", __func__); |
| } |
| |
| if (!report) |
| return; |
| |
| /* |
| * Traverse the function handler list and service the source(s) |
| * of the interrupt accordingly. |
| */ |
| if (!list_empty(&rmi->support_fn_list)) { |
| list_for_each_entry(fhandler, &rmi->support_fn_list, link) { |
| if (fhandler->num_of_data_sources) { |
| if (fhandler->intr_mask & |
| intr[fhandler->intr_reg_num]) { |
| synaptics_rmi4_report_touch(rmi4_data, |
| fhandler); |
| } |
| } |
| } |
| } |
| |
| mutex_lock(&exp_data.mutex); |
| if (!list_empty(&exp_data.list)) { |
| list_for_each_entry(exp_fhandler, &exp_data.list, link) { |
| if (!exp_fhandler->insert && |
| !exp_fhandler->remove && |
| (exp_fhandler->exp_fn->attn != NULL)) |
| exp_fhandler->exp_fn->attn(rmi4_data, intr[0]); |
| } |
| } |
| mutex_unlock(&exp_data.mutex); |
| |
| return; |
| } |
| |
| static irqreturn_t synaptics_rmi4_irq(int irq, void *data) |
| { |
| struct synaptics_rmi4_data *rmi4_data = data; |
| const struct synaptics_dsx_board_data *bdata = |
| rmi4_data->hw_if->board_data; |
| |
| if (synaptics_filter_interrupt(data) == IRQ_HANDLED) |
| return IRQ_HANDLED; |
| |
| if (gpio_get_value(bdata->irq_gpio) != bdata->irq_on_state) |
| goto exit; |
| |
| synaptics_rmi4_sensor_report(rmi4_data, true); |
| |
| exit: |
| return IRQ_HANDLED; |
| } |
| |
| static int synaptics_rmi4_int_enable(struct synaptics_rmi4_data *rmi4_data, |
| bool enable) |
| { |
| int retval = 0; |
| unsigned char ii; |
| unsigned char zero = 0x00; |
| unsigned char *intr_mask; |
| unsigned short intr_addr; |
| |
| intr_mask = rmi4_data->intr_mask; |
| |
| for (ii = 0; ii < rmi4_data->num_of_intr_regs; ii++) { |
| if (intr_mask[ii] != 0x00) { |
| intr_addr = rmi4_data->f01_ctrl_base_addr + 1 + ii; |
| if (enable) { |
| retval = synaptics_rmi4_reg_write(rmi4_data, |
| intr_addr, |
| &(intr_mask[ii]), |
| sizeof(intr_mask[ii])); |
| if (retval < 0) |
| return retval; |
| } else { |
| retval = synaptics_rmi4_reg_write(rmi4_data, |
| intr_addr, |
| &zero, |
| sizeof(zero)); |
| if (retval < 0) |
| return retval; |
| } |
| } |
| } |
| |
| return retval; |
| } |
| |
| static int synaptics_rmi4_irq_enable(struct synaptics_rmi4_data *rmi4_data, |
| bool enable, bool attn_only) |
| { |
| int retval = 0; |
| const struct synaptics_dsx_board_data *bdata = |
| rmi4_data->hw_if->board_data; |
| |
| if (attn_only) { |
| retval = synaptics_rmi4_int_enable(rmi4_data, enable); |
| return retval; |
| } |
| |
| if (enable) { |
| if (rmi4_data->irq_enabled) |
| return retval; |
| |
| retval = synaptics_rmi4_int_enable(rmi4_data, false); |
| if (retval < 0) |
| return retval; |
| |
| /* Process and clear interrupts */ |
| synaptics_rmi4_sensor_report(rmi4_data, false); |
| |
| retval = request_threaded_irq(rmi4_data->irq, NULL, |
| synaptics_rmi4_irq, bdata->irq_flags, |
| PLATFORM_DRIVER_NAME, rmi4_data); |
| if (retval < 0) { |
| dev_err(rmi4_data->pdev->dev.parent, |
| "%s: Failed to create irq thread\n", |
| __func__); |
| return retval; |
| } |
| |
| retval = synaptics_rmi4_int_enable(rmi4_data, true); |
| if (retval < 0) |
| return retval; |
| |
| rmi4_data->irq_enabled = true; |
| } else { |
| if (rmi4_data->irq_enabled) { |
| disable_irq(rmi4_data->irq); |
| free_irq(rmi4_data->irq, rmi4_data); |
| rmi4_data->irq_enabled = false; |
| } |
| } |
| |
| return retval; |
| } |
| |
| static void synaptics_rmi4_set_intr_mask(struct synaptics_rmi4_fn *fhandler, |
| struct synaptics_rmi4_fn_desc *fd, |
| unsigned int intr_count) |
| { |
| unsigned char ii; |
| unsigned char intr_offset; |
| |
| fhandler->intr_reg_num = (intr_count + 7) / 8; |
| if (fhandler->intr_reg_num != 0) |
| fhandler->intr_reg_num -= 1; |
| |
| /* Set an enable bit for each data source */ |
| intr_offset = intr_count % 8; |
| fhandler->intr_mask = 0; |
| for (ii = intr_offset; |
| ii < (fd->intr_src_count + intr_offset); |
| ii++) |
| fhandler->intr_mask |= 1 << ii; |
| |
| return; |
| } |
| |
| static int synaptics_rmi4_f01_init(struct synaptics_rmi4_data *rmi4_data, |
| struct synaptics_rmi4_fn *fhandler, |
| struct synaptics_rmi4_fn_desc *fd, |
| unsigned int intr_count) |
| { |
| fhandler->fn_number = fd->fn_number; |
| fhandler->num_of_data_sources = fd->intr_src_count; |
| fhandler->data = NULL; |
| fhandler->extra = NULL; |
| |
| synaptics_rmi4_set_intr_mask(fhandler, fd, intr_count); |
| |
| rmi4_data->f01_query_base_addr = fd->query_base_addr; |
| rmi4_data->f01_ctrl_base_addr = fd->ctrl_base_addr; |
| rmi4_data->f01_data_base_addr = fd->data_base_addr; |
| rmi4_data->f01_cmd_base_addr = fd->cmd_base_addr; |
| |
| return 0; |
| } |
| |
| static int synaptics_rmi4_f11_init(struct synaptics_rmi4_data *rmi4_data, |
| struct synaptics_rmi4_fn *fhandler, |
| struct synaptics_rmi4_fn_desc *fd, |
| unsigned int intr_count) |
| { |
| int retval; |
| int temp; |
| unsigned char offset; |
| unsigned char fingers_supported; |
| struct synaptics_rmi4_f11_extra_data *extra_data; |
| struct synaptics_rmi4_f11_query_0_5 query_0_5; |
| struct synaptics_rmi4_f11_query_7_8 query_7_8; |
| struct synaptics_rmi4_f11_query_9 query_9; |
| struct synaptics_rmi4_f11_query_12 query_12; |
| struct synaptics_rmi4_f11_query_27 query_27; |
| struct synaptics_rmi4_f11_ctrl_6_9 control_6_9; |
| const struct synaptics_dsx_board_data *bdata = |
| rmi4_data->hw_if->board_data; |
| |
| fhandler->fn_number = fd->fn_number; |
| fhandler->num_of_data_sources = fd->intr_src_count; |
| fhandler->extra = kmalloc(sizeof(*extra_data), GFP_KERNEL); |
| if (!fhandler->extra) { |
| dev_err(rmi4_data->pdev->dev.parent, |
| "%s: Failed to alloc mem for fhandler->extra\n", |
| __func__); |
| return -ENOMEM; |
| } |
| extra_data = (struct synaptics_rmi4_f11_extra_data *)fhandler->extra; |
| |
| retval = synaptics_rmi4_reg_read(rmi4_data, |
| fhandler->full_addr.query_base, |
| query_0_5.data, |
| sizeof(query_0_5.data)); |
| if (retval < 0) |
| return retval; |
| |
| /* Maximum number of fingers supported */ |
| if (query_0_5.num_of_fingers <= 4) |
| fhandler->num_of_data_points = query_0_5.num_of_fingers + 1; |
| else if (query_0_5.num_of_fingers == 5) |
| fhandler->num_of_data_points = 10; |
| |
| rmi4_data->num_of_fingers = fhandler->num_of_data_points; |
| |
| retval = synaptics_rmi4_reg_read(rmi4_data, |
| fhandler->full_addr.ctrl_base + 6, |
| control_6_9.data, |
| sizeof(control_6_9.data)); |
| if (retval < 0) |
| return retval; |
| |
| /* Maximum x and y */ |
| rmi4_data->sensor_max_x = control_6_9.sensor_max_x_pos_7_0 | |
| (control_6_9.sensor_max_x_pos_11_8 << 8); |
| rmi4_data->sensor_max_y = control_6_9.sensor_max_y_pos_7_0 | |
| (control_6_9.sensor_max_y_pos_11_8 << 8); |
| dev_dbg(rmi4_data->pdev->dev.parent, |
| "%s: Function %02x max x = %d max y = %d\n", |
| __func__, fhandler->fn_number, |
| rmi4_data->sensor_max_x, |
| rmi4_data->sensor_max_y); |
| |
| rmi4_data->max_touch_width = MAX_F11_TOUCH_WIDTH; |
| |
| if (bdata->swap_axes) { |
| temp = rmi4_data->sensor_max_x; |
| rmi4_data->sensor_max_x = rmi4_data->sensor_max_y; |
| rmi4_data->sensor_max_y = temp; |
| } |
| |
| synaptics_rmi4_set_intr_mask(fhandler, fd, intr_count); |
| |
| fhandler->data = NULL; |
| |
| offset = sizeof(query_0_5.data); |
| |
| /* query 6 */ |
| if (query_0_5.has_rel) |
| offset += 1; |
| |
| /* queries 7 8 */ |
| if (query_0_5.has_gestures) { |
| retval = synaptics_rmi4_reg_read(rmi4_data, |
| fhandler->full_addr.query_base + offset, |
| query_7_8.data, |
| sizeof(query_7_8.data)); |
| if (retval < 0) |
| return retval; |
| |
| offset += sizeof(query_7_8.data); |
| } |
| |
| /* query 9 */ |
| if (query_0_5.has_query_9) { |
| retval = synaptics_rmi4_reg_read(rmi4_data, |
| fhandler->full_addr.query_base + offset, |
| query_9.data, |
| sizeof(query_9.data)); |
| if (retval < 0) |
| return retval; |
| |
| offset += sizeof(query_9.data); |
| } |
| |
| /* query 10 */ |
| if (query_0_5.has_gestures && query_7_8.has_touch_shapes) |
| offset += 1; |
| |
| /* query 11 */ |
| if (query_0_5.has_query_11) |
| offset += 1; |
| |
| /* query 12 */ |
| if (query_0_5.has_query_12) { |
| retval = synaptics_rmi4_reg_read(rmi4_data, |
| fhandler->full_addr.query_base + offset, |
| query_12.data, |
| sizeof(query_12.data)); |
| if (retval < 0) |
| return retval; |
| |
| offset += sizeof(query_12.data); |
| } |
| |
| /* query 13 */ |
| if (query_0_5.has_jitter_filter) |
| offset += 1; |
| |
| /* query 14 */ |
| if (query_0_5.has_query_12 && query_12.has_general_information_2) |
| offset += 1; |
| |
| /* queries 15 16 17 18 19 20 21 22 23 24 25 26*/ |
| if (query_0_5.has_query_12 && query_12.has_physical_properties) |
| offset += 12; |
| |
| /* query 27 */ |
| if (query_0_5.has_query_27) { |
| retval = synaptics_rmi4_reg_read(rmi4_data, |
| fhandler->full_addr.query_base + offset, |
| query_27.data, |
| sizeof(query_27.data)); |
| if (retval < 0) |
| return retval; |
| |
| rmi4_data->f11_wakeup_gesture = query_27.has_wakeup_gesture; |
| } |
| |
| if (!rmi4_data->f11_wakeup_gesture) |
| return retval; |
| |
| /* data 0 */ |
| fingers_supported = fhandler->num_of_data_points; |
| offset = (fingers_supported + 3) / 4; |
| |
| /* data 1 2 3 4 5 */ |
| offset += 5 * fingers_supported; |
| |
| /* data 6 7 */ |
| if (query_0_5.has_rel) |
| offset += 2 * fingers_supported; |
| |
| /* data 8 */ |
| if (query_0_5.has_gestures && query_7_8.data[0]) |
| offset += 1; |
| |
| /* data 9 */ |
| if (query_0_5.has_gestures && (query_7_8.data[0] || query_7_8.data[1])) |
| offset += 1; |
| |
| /* data 10 */ |
| if (query_0_5.has_gestures && |
| (query_7_8.has_pinch || query_7_8.has_flick)) |
| offset += 1; |
| |
| /* data 11 12 */ |
| if (query_0_5.has_gestures && |
| (query_7_8.has_flick || query_7_8.has_rotate)) |
| offset += 2; |
| |
| /* data 13 */ |
| if (query_0_5.has_gestures && query_7_8.has_touch_shapes) |
| offset += (fingers_supported + 3) / 4; |
| |
| /* data 14 15 */ |
| if (query_0_5.has_gestures && |
| (query_7_8.has_scroll_zones || |
| query_7_8.has_multi_finger_scroll || |
| query_7_8.has_chiral_scroll)) |
| offset += 2; |
| |
| /* data 16 17 */ |
| if (query_0_5.has_gestures && |
| (query_7_8.has_scroll_zones && |
| query_7_8.individual_scroll_zones)) |
| offset += 2; |
| |
| /* data 18 19 20 21 22 23 24 25 26 27 */ |
| if (query_0_5.has_query_9 && query_9.has_contact_geometry) |
| offset += 10 * fingers_supported; |
| |
| /* data 28 */ |
| if (query_0_5.has_bending_correction || |
| query_0_5.has_large_object_suppression) |
| offset += 1; |
| |
| /* data 29 30 31 */ |
| if (query_0_5.has_query_9 && query_9.has_pen_hover_discrimination) |
| offset += 3; |
| |
| /* data 32 */ |
| if (query_0_5.has_query_12 && |
| query_12.has_small_object_detection_tuning) |
| offset += 1; |
| |
| /* data 33 34 */ |
| if (query_0_5.has_query_27 && query_27.f11_query27_b0) |
| offset += 2; |
| |
| /* data 35 */ |
| if (query_0_5.has_query_12 && query_12.has_8bit_w) |
| offset += fingers_supported; |
| |
| /* data 36 */ |
| if (query_0_5.has_bending_correction) |
| offset += 1; |
| |
| /* data 37 */ |
| if (query_0_5.has_query_27 && query_27.has_data_37) |
| offset += 1; |
| |
| /* data 38 */ |
| if (query_0_5.has_query_27 && query_27.has_wakeup_gesture) |
| extra_data->data38_offset = offset; |
| |
| return retval; |
| } |
| |
| static int synaptics_rmi4_f12_set_enables(struct synaptics_rmi4_data *rmi4_data, |
| unsigned short ctrl28) |
| { |
| int retval; |
| static unsigned short ctrl_28_address; |
| |
| if (ctrl28) |
| ctrl_28_address = ctrl28; |
| |
| retval = synaptics_rmi4_reg_write(rmi4_data, |
| ctrl_28_address, |
| &rmi4_data->report_enable, |
| sizeof(rmi4_data->report_enable)); |
| if (retval < 0) |
| return retval; |
| |
| return retval; |
| } |
| |
| static int synaptics_rmi4_f12_ctrl_sub(struct synaptics_rmi4_data *rmi4_data, |
| struct synaptics_rmi4_fn *fhandler, |
| struct synaptics_rmi4_f12_query_5 *query_5, |
| unsigned char ctrlreg, unsigned char subpacket) |
| { |
| int retval; |
| unsigned char cnt; |
| unsigned char regnum; |
| unsigned char bitnum; |
| unsigned char q5_index; |
| unsigned char q6_index; |
| unsigned char offset; |
| unsigned char max_ctrlreg; |
| unsigned char *query_6; |
| |
| max_ctrlreg = (sizeof(query_5->data) - 1) * 8 - 1; |
| |
| if (ctrlreg > max_ctrlreg) { |
| dev_err(rmi4_data->pdev->dev.parent, |
| "%s: Control register number (%d) over limit\n", |
| __func__, ctrlreg); |
| return -EINVAL; |
| } |
| |
| q5_index = ctrlreg / 8 + 1; |
| bitnum = ctrlreg % 8; |
| if ((query_5->data[q5_index] & (1 << bitnum)) == 0x00) { |
| dev_err(rmi4_data->pdev->dev.parent, |
| "%s: Control %d is not present\n", |
| __func__, ctrlreg); |
| return -EINVAL; |
| } |
| |
| query_6 = kmalloc(query_5->size_of_query6, GFP_KERNEL); |
| if (!query_6) { |
| dev_err(rmi4_data->pdev->dev.parent, |
| "%s: Failed to alloc mem for query 6\n", |
| __func__); |
| return -ENOMEM; |
| } |
| |
| retval = synaptics_rmi4_reg_read(rmi4_data, |
| fhandler->full_addr.query_base + 6, |
| query_6, |
| query_5->size_of_query6); |
| if (retval < 0) |
| goto exit; |
| |
| q6_index = 0; |
| |
| for (regnum = 0; regnum < ctrlreg; regnum++) { |
| q5_index = regnum / 8 + 1; |
| bitnum = regnum % 8; |
| if ((query_5->data[q5_index] & (1 << bitnum)) == 0x00) |
| continue; |
| |
| if (query_6[q6_index] == 0x00) |
| q6_index += 3; |
| else |
| q6_index++; |
| |
| while (query_6[q6_index] & ~MASK_7BIT) |
| q6_index++; |
| |
| q6_index++; |
| } |
| |
| cnt = 0; |
| q6_index++; |
| offset = subpacket / 7; |
| bitnum = subpacket % 7; |
| |
| do { |
| if (cnt == offset) { |
| if (query_6[q6_index + cnt] & (1 << bitnum)) |
| retval = 1; |
| else |
| retval = 0; |
| goto exit; |
| } |
| cnt++; |
| } while (query_6[q6_index + cnt - 1] & ~MASK_7BIT); |
| |
| retval = 0; |
| |
| exit: |
| kfree(query_6); |
| |
| return retval; |
| } |
| |
| static int synaptics_rmi4_f12_init(struct synaptics_rmi4_data *rmi4_data, |
| struct synaptics_rmi4_fn *fhandler, |
| struct synaptics_rmi4_fn_desc *fd, |
| unsigned int intr_count) |
| { |
| int retval = 0; |
| int temp; |
| unsigned char subpacket; |
| unsigned char ctrl_23_size; |
| unsigned char size_of_2d_data; |
| unsigned char size_of_query8; |
| unsigned char ctrl_8_offset; |
| unsigned char ctrl_20_offset; |
| unsigned char ctrl_23_offset; |
| unsigned char ctrl_28_offset; |
| unsigned char ctrl_31_offset; |
| unsigned char num_of_fingers; |
| struct synaptics_rmi4_f12_extra_data *extra_data; |
| struct synaptics_rmi4_f12_query_5 *query_5 = NULL; |
| struct synaptics_rmi4_f12_query_8 *query_8 = NULL; |
| struct synaptics_rmi4_f12_ctrl_8 *ctrl_8 = NULL; |
| struct synaptics_rmi4_f12_ctrl_23 *ctrl_23 = NULL; |
| struct synaptics_rmi4_f12_ctrl_31 *ctrl_31 = NULL; |
| const struct synaptics_dsx_board_data *bdata = |
| rmi4_data->hw_if->board_data; |
| |
| fhandler->fn_number = fd->fn_number; |
| fhandler->num_of_data_sources = fd->intr_src_count; |
| fhandler->extra = kmalloc(sizeof(*extra_data), GFP_KERNEL); |
| if (!fhandler->extra) { |
| dev_err(rmi4_data->pdev->dev.parent, |
| "%s: Failed to alloc mem for fhandler->extra\n", |
| __func__); |
| return -ENOMEM; |
| } |
| extra_data = (struct synaptics_rmi4_f12_extra_data *)fhandler->extra; |
| size_of_2d_data = sizeof(struct synaptics_rmi4_f12_finger_data); |
| |
| query_5 = kmalloc(sizeof(*query_5), GFP_KERNEL); |
| if (!query_5) { |
| dev_err(rmi4_data->pdev->dev.parent, |
| "%s: Failed to alloc mem for query_5\n", |
| __func__); |
| retval = -ENOMEM; |
| goto exit; |
| } |
| |
| query_8 = kmalloc(sizeof(*query_8), GFP_KERNEL); |
| if (!query_8) { |
| dev_err(rmi4_data->pdev->dev.parent, |
| "%s: Failed to alloc mem for query_8\n", |
| __func__); |
| retval = -ENOMEM; |
| goto exit; |
| } |
| |
| ctrl_8 = kmalloc(sizeof(*ctrl_8), GFP_KERNEL); |
| if (!ctrl_8) { |
| dev_err(rmi4_data->pdev->dev.parent, |
| "%s: Failed to alloc mem for ctrl_8\n", |
| __func__); |
| retval = -ENOMEM; |
| goto exit; |
| } |
| |
| ctrl_23 = kmalloc(sizeof(*ctrl_23), GFP_KERNEL); |
| if (!ctrl_23) { |
| dev_err(rmi4_data->pdev->dev.parent, |
| "%s: Failed to alloc mem for ctrl_23\n", |
| __func__); |
| retval = -ENOMEM; |
| goto exit; |
| } |
| |
| ctrl_31 = kmalloc(sizeof(*ctrl_31), GFP_KERNEL); |
| if (!ctrl_31) { |
| dev_err(rmi4_data->pdev->dev.parent, |
| "%s: Failed to alloc mem for ctrl_31\n", |
| __func__); |
| retval = -ENOMEM; |
| goto exit; |
| } |
| |
| retval = synaptics_rmi4_reg_read(rmi4_data, |
| fhandler->full_addr.query_base + 5, |
| query_5->data, |
| sizeof(query_5->data)); |
| if (retval < 0) |
| goto exit; |
| |
| ctrl_8_offset = query_5->ctrl0_is_present + |
| query_5->ctrl1_is_present + |
| query_5->ctrl2_is_present + |
| query_5->ctrl3_is_present + |
| query_5->ctrl4_is_present + |
| query_5->ctrl5_is_present + |
| query_5->ctrl6_is_present + |
| query_5->ctrl7_is_present; |
| |
| ctrl_20_offset = ctrl_8_offset + |
| query_5->ctrl8_is_present + |
| query_5->ctrl9_is_present + |
| query_5->ctrl10_is_present + |
| query_5->ctrl11_is_present + |
| query_5->ctrl12_is_present + |
| query_5->ctrl13_is_present + |
| query_5->ctrl14_is_present + |
| query_5->ctrl15_is_present + |
| query_5->ctrl16_is_present + |
| query_5->ctrl17_is_present + |
| query_5->ctrl18_is_present + |
| query_5->ctrl19_is_present; |
| |
| ctrl_23_offset = ctrl_20_offset + |
| query_5->ctrl20_is_present + |
| query_5->ctrl21_is_present + |
| query_5->ctrl22_is_present; |
| |
| ctrl_28_offset = ctrl_23_offset + |
| query_5->ctrl23_is_present + |
| query_5->ctrl24_is_present + |
| query_5->ctrl25_is_present + |
| query_5->ctrl26_is_present + |
| query_5->ctrl27_is_present; |
| |
| ctrl_31_offset = ctrl_28_offset + |
| query_5->ctrl28_is_present + |
| query_5->ctrl29_is_present + |
| query_5->ctrl30_is_present; |
| |
| ctrl_23_size = 2; |
| for (subpacket = 2; subpacket <= 4; subpacket++) { |
| retval = synaptics_rmi4_f12_ctrl_sub(rmi4_data, |
| fhandler, query_5, 23, subpacket); |
| if (retval == 1) |
| ctrl_23_size++; |
| else if (retval < 0) |
| goto exit; |
| } |
| |
| retval = synaptics_rmi4_reg_read(rmi4_data, |
| fhandler->full_addr.ctrl_base + ctrl_23_offset, |
| ctrl_23->data, |
| ctrl_23_size); |
| if (retval < 0) |
| goto exit; |
| |
| /* Maximum number of fingers supported */ |
| fhandler->num_of_data_points = min_t(unsigned char, |
| ctrl_23->max_reported_objects, |
| (unsigned char)F12_FINGERS_TO_SUPPORT); |
| |
| num_of_fingers = fhandler->num_of_data_points; |
| rmi4_data->num_of_fingers = num_of_fingers; |
| |
| rmi4_data->stylus_enable = ctrl_23->stylus_enable; |
| rmi4_data->eraser_enable = ctrl_23->eraser_enable; |
| |
| retval = synaptics_rmi4_reg_read(rmi4_data, |
| fhandler->full_addr.query_base + 7, |
| &size_of_query8, |
| sizeof(size_of_query8)); |
| if (retval < 0) |
| goto exit; |
| |
| retval = synaptics_rmi4_reg_read(rmi4_data, |
| fhandler->full_addr.query_base + 8, |
| query_8->data, |
| size_of_query8); |
| if (retval < 0) |
| goto exit; |
| |
| /* Determine the presence of the Data0 register */ |
| extra_data->data1_offset = query_8->data0_is_present; |
| |
| if ((size_of_query8 >= 3) && (query_8->data15_is_present)) { |
| extra_data->data15_offset = query_8->data0_is_present + |
| query_8->data1_is_present + |
| query_8->data2_is_present + |
| query_8->data3_is_present + |
| query_8->data4_is_present + |
| query_8->data5_is_present + |
| query_8->data6_is_present + |
| query_8->data7_is_present + |
| query_8->data8_is_present + |
| query_8->data9_is_present + |
| query_8->data10_is_present + |
| query_8->data11_is_present + |
| query_8->data12_is_present + |
| query_8->data13_is_present + |
| query_8->data14_is_present; |
| extra_data->data15_size = (num_of_fingers + 7) / 8; |
| } else { |
| extra_data->data15_size = 0; |
| } |
| |
| #ifdef REPORT_2D_PRESSURE |
| if ((size_of_query8 >= 4) && (query_8->data23_is_present)) { |
| extra_data->data23_offset = query_8->data0_is_present + |
| query_8->data1_is_present + |
| query_8->data2_is_present + |
| query_8->data3_is_present + |
| query_8->data4_is_present + |
| query_8->data5_is_present + |
| query_8->data6_is_present + |
| query_8->data7_is_present + |
| query_8->data8_is_present + |
| query_8->data9_is_present + |
| query_8->data10_is_present + |
| query_8->data11_is_present + |
| query_8->data12_is_present + |
| query_8->data13_is_present + |
| query_8->data14_is_present + |
| query_8->data15_is_present + |
| query_8->data16_is_present + |
| query_8->data17_is_present + |
| query_8->data18_is_present + |
| query_8->data19_is_present + |
| query_8->data20_is_present + |
| query_8->data21_is_present + |
| query_8->data22_is_present; |
| extra_data->data23_size = num_of_fingers; |
| rmi4_data->report_pressure = true; |
| } else { |
| extra_data->data23_size = 0; |
| rmi4_data->report_pressure = false; |
| } |
| #endif |
| |
| rmi4_data->report_enable = RPT_DEFAULT; |
| #ifdef REPORT_2D_Z |
| rmi4_data->report_enable |= RPT_Z; |
| #endif |
| #ifdef REPORT_2D_W |
| rmi4_data->report_enable |= (RPT_WX | RPT_WY); |
| #endif |
| |
| retval = synaptics_rmi4_f12_set_enables(rmi4_data, |
| fhandler->full_addr.ctrl_base + ctrl_28_offset); |
| if (retval < 0) |
| goto exit; |
| |
| if (query_5->ctrl8_is_present) { |
| rmi4_data->wedge_sensor = false; |
| |
| retval = synaptics_rmi4_reg_read(rmi4_data, |
| fhandler->full_addr.ctrl_base + ctrl_8_offset, |
| ctrl_8->data, |
| sizeof(ctrl_8->data)); |
| if (retval < 0) |
| goto exit; |
| |
| /* Maximum x and y */ |
| rmi4_data->sensor_max_x = |
| ((unsigned int)ctrl_8->max_x_coord_lsb << 0) | |
| ((unsigned int)ctrl_8->max_x_coord_msb << 8); |
| rmi4_data->sensor_max_y = |
| ((unsigned int)ctrl_8->max_y_coord_lsb << 0) | |
| ((unsigned int)ctrl_8->max_y_coord_msb << 8); |
| |
| rmi4_data->max_touch_width = MAX_F12_TOUCH_WIDTH; |
| } else { |
| rmi4_data->wedge_sensor = true; |
| |
| retval = synaptics_rmi4_reg_read(rmi4_data, |
| fhandler->full_addr.ctrl_base + ctrl_31_offset, |
| ctrl_31->data, |
| sizeof(ctrl_31->data)); |
| if (retval < 0) |
| goto exit; |
| |
| /* Maximum x and y */ |
| rmi4_data->sensor_max_x = |
| ((unsigned int)ctrl_31->max_x_coord_lsb << 0) | |
| ((unsigned int)ctrl_31->max_x_coord_msb << 8); |
| rmi4_data->sensor_max_y = |
| ((unsigned int)ctrl_31->max_y_coord_lsb << 0) | |
| ((unsigned int)ctrl_31->max_y_coord_msb << 8); |
| |
| rmi4_data->max_touch_width = MAX_F12_TOUCH_WIDTH; |
| } |
| |
| dev_dbg(rmi4_data->pdev->dev.parent, |
| "%s: Function %02x max x = %d max y = %d\n", |
| __func__, fhandler->fn_number, |
| rmi4_data->sensor_max_x, |
| rmi4_data->sensor_max_y); |
| |
| if (bdata->swap_axes) { |
| temp = rmi4_data->sensor_max_x; |
| rmi4_data->sensor_max_x = rmi4_data->sensor_max_y; |
| rmi4_data->sensor_max_y = temp; |
| } |
| |
| rmi4_data->f12_wakeup_gesture = query_5->ctrl27_is_present; |
| if (rmi4_data->f12_wakeup_gesture) { |
| extra_data->ctrl20_offset = ctrl_20_offset; |
| extra_data->data4_offset = query_8->data0_is_present + |
| query_8->data1_is_present + |
| query_8->data2_is_present + |
| query_8->data3_is_present; |
| } |
| |
| synaptics_rmi4_set_intr_mask(fhandler, fd, intr_count); |
| |
| /* Allocate memory for finger data storage space */ |
| fhandler->data_size = num_of_fingers * size_of_2d_data; |
| fhandler->data = kmalloc(fhandler->data_size, GFP_KERNEL); |
| if (!fhandler->data) { |
| dev_err(rmi4_data->pdev->dev.parent, |
| "%s: Failed to alloc mem for fhandler->data\n", |
| __func__); |
| retval = -ENOMEM; |
| goto exit; |
| } |
| |
| exit: |
| kfree(query_5); |
| kfree(query_8); |
| kfree(ctrl_8); |
| kfree(ctrl_23); |
| kfree(ctrl_31); |
| |
| return retval; |
| } |
| |
| static int synaptics_rmi4_f1a_alloc_mem(struct synaptics_rmi4_data *rmi4_data, |
| struct synaptics_rmi4_fn *fhandler) |
| { |
| int retval; |
| struct synaptics_rmi4_f1a_handle *f1a; |
| |
| f1a = kzalloc(sizeof(*f1a), GFP_KERNEL); |
| if (!f1a) { |
| dev_err(rmi4_data->pdev->dev.parent, |
| "%s: Failed to alloc mem for function handle\n", |
| __func__); |
| return -ENOMEM; |
| } |
| |
| fhandler->data = (void *)f1a; |
| fhandler->extra = NULL; |
| |
| retval = synaptics_rmi4_reg_read(rmi4_data, |
| fhandler->full_addr.query_base, |
| f1a->button_query.data, |
| sizeof(f1a->button_query.data)); |
| if (retval < 0) { |
| dev_err(rmi4_data->pdev->dev.parent, |
| "%s: Failed to read query registers\n", |
| __func__); |
| return retval; |
| } |
| |
| f1a->max_count = f1a->button_query.max_button_count + 1; |
| |
| f1a->button_control.txrx_map = kzalloc(f1a->max_count * 2, GFP_KERNEL); |
| if (!f1a->button_control.txrx_map) { |
| dev_err(rmi4_data->pdev->dev.parent, |
| "%s: Failed to alloc mem for tx rx mapping\n", |
| __func__); |
| return -ENOMEM; |
| } |
| |
| f1a->button_bitmask_size = (f1a->max_count + 7) / 8; |
| |
| f1a->button_data_buffer = kcalloc(f1a->button_bitmask_size, |
| sizeof(*(f1a->button_data_buffer)), GFP_KERNEL); |
| if (!f1a->button_data_buffer) { |
| dev_err(rmi4_data->pdev->dev.parent, |
| "%s: Failed to alloc mem for data buffer\n", |
| __func__); |
| return -ENOMEM; |
| } |
| |
| f1a->button_map = kcalloc(f1a->max_count, |
| sizeof(*(f1a->button_map)), GFP_KERNEL); |
| if (!f1a->button_map) { |
| dev_err(rmi4_data->pdev->dev.parent, |
| "%s: Failed to alloc mem for button map\n", |
| __func__); |
| return -ENOMEM; |
| } |
| |
| return 0; |
| } |
| |
| static int synaptics_rmi4_f1a_button_map(struct synaptics_rmi4_data *rmi4_data, |
| struct synaptics_rmi4_fn *fhandler) |
| { |
| int retval; |
| unsigned char ii; |
| unsigned char offset = 0; |
| struct synaptics_rmi4_f1a_query_4 query_4; |
| struct synaptics_rmi4_f1a_handle *f1a = fhandler->data; |
| const struct synaptics_dsx_board_data *bdata = |
| rmi4_data->hw_if->board_data; |
| |
| offset = f1a->button_query.has_general_control + |
| f1a->button_query.has_interrupt_enable + |
| f1a->button_query.has_multibutton_select; |
| |
| if (f1a->button_query.has_tx_rx_map) { |
| retval = synaptics_rmi4_reg_read(rmi4_data, |
| fhandler->full_addr.ctrl_base + offset, |
| f1a->button_control.txrx_map, |
| f1a->max_count * 2); |
| if (retval < 0) { |
| dev_err(rmi4_data->pdev->dev.parent, |
| "%s: Failed to read tx rx mapping\n", |
| __func__); |
| return retval; |
| } |
| |
| rmi4_data->button_txrx_mapping = f1a->button_control.txrx_map; |
| } |
| |
| if (f1a->button_query.has_query4) { |
| offset = 2 + f1a->button_query.has_query2 + |
| f1a->button_query.has_query3; |
| |
| retval = synaptics_rmi4_reg_read(rmi4_data, |
| fhandler->full_addr.query_base + offset, |
| query_4.data, |
| sizeof(query_4.data)); |
| if (retval < 0) { |
| dev_err(rmi4_data->pdev->dev.parent, |
| "%s: Failed to read button features 4\n", |
| __func__); |
| return retval; |
| } |
| |
| if (query_4.has_ctrl24) |
| rmi4_data->external_afe_buttons = true; |
| else |
| rmi4_data->external_afe_buttons = false; |
| } |
| |
| if (!bdata->cap_button_map) { |
| dev_err(rmi4_data->pdev->dev.parent, |
| "%s: cap_button_map is NULL in board file\n", |
| __func__); |
| return -ENODEV; |
| } else if (!bdata->cap_button_map->map) { |
| dev_err(rmi4_data->pdev->dev.parent, |
| "%s: Button map is missing in board file\n", |
| __func__); |
| return -ENODEV; |
| } else { |
| if (bdata->cap_button_map->nbuttons != f1a->max_count) { |
| f1a->valid_button_count = min(f1a->max_count, |
| bdata->cap_button_map->nbuttons); |
| } else { |
| f1a->valid_button_count = f1a->max_count; |
| } |
| |
| for (ii = 0; ii < f1a->valid_button_count; ii++) |
| f1a->button_map[ii] = bdata->cap_button_map->map[ii]; |
| } |
| |
| return 0; |
| } |
| |
| static void synaptics_rmi4_f1a_kfree(struct synaptics_rmi4_fn *fhandler) |
| { |
| struct synaptics_rmi4_f1a_handle *f1a = fhandler->data; |
| |
| if (f1a) { |
| kfree(f1a->button_control.txrx_map); |
| kfree(f1a->button_data_buffer); |
| kfree(f1a->button_map); |
| kfree(f1a); |
| fhandler->data = NULL; |
| } |
| |
| return; |
| } |
| |
| static int synaptics_rmi4_f1a_init(struct synaptics_rmi4_data *rmi4_data, |
| struct synaptics_rmi4_fn *fhandler, |
| struct synaptics_rmi4_fn_desc *fd, |
| unsigned int intr_count) |
| { |
| int retval; |
| |
| fhandler->fn_number = fd->fn_number; |
| fhandler->num_of_data_sources = fd->intr_src_count; |
| |
| synaptics_rmi4_set_intr_mask(fhandler, fd, intr_count); |
| |
| retval = synaptics_rmi4_f1a_alloc_mem(rmi4_data, fhandler); |
| if (retval < 0) |
| goto error_exit; |
| |
| retval = synaptics_rmi4_f1a_button_map(rmi4_data, fhandler); |
| if (retval < 0) |
| goto error_exit; |
| |
| rmi4_data->button_0d_enabled = 1; |
| |
| return 0; |
| |
| error_exit: |
| synaptics_rmi4_f1a_kfree(fhandler); |
| |
| return retval; |
| } |
| |
| static void synaptics_rmi4_empty_fn_list(struct synaptics_rmi4_data *rmi4_data) |
| { |
| struct synaptics_rmi4_fn *fhandler; |
| struct synaptics_rmi4_fn *fhandler_temp; |
| struct synaptics_rmi4_device_info *rmi; |
| |
| rmi = &(rmi4_data->rmi4_mod_info); |
| |
| if (!list_empty(&rmi->support_fn_list)) { |
| list_for_each_entry_safe(fhandler, |
| fhandler_temp, |
| &rmi->support_fn_list, |
| link) { |
| if (fhandler->fn_number == SYNAPTICS_RMI4_F1A) { |
| synaptics_rmi4_f1a_kfree(fhandler); |
| } else { |
| kfree(fhandler->extra); |
| kfree(fhandler->data); |
| } |
| list_del(&fhandler->link); |
| kfree(fhandler); |
| } |
| } |
| INIT_LIST_HEAD(&rmi->support_fn_list); |
| |
| return; |
| } |
| |
| static int synaptics_rmi4_check_status(struct synaptics_rmi4_data *rmi4_data, |
| bool *was_in_bl_mode) |
| { |
| int retval; |
| int timeout = CHECK_STATUS_TIMEOUT_MS; |
| struct synaptics_rmi4_f01_device_status status; |
| |
| retval = synaptics_rmi4_reg_read(rmi4_data, |
| rmi4_data->f01_data_base_addr, |
| status.data, |
| sizeof(status.data)); |
| if (retval < 0) |
| return retval; |
| |
| while (status.status_code == STATUS_CRC_IN_PROGRESS) { |
| if (timeout > 0) |
| msleep(20); |
| else |
| return -EINVAL; |
| |
| retval = synaptics_rmi4_reg_read(rmi4_data, |
| rmi4_data->f01_data_base_addr, |
| status.data, |
| sizeof(status.data)); |
| if (retval < 0) |
| return retval; |
| |
| timeout -= 20; |
| } |
| |
| if (timeout != CHECK_STATUS_TIMEOUT_MS) |
| *was_in_bl_mode = true; |
| |
| if (status.flash_prog == 1) { |
| rmi4_data->flash_prog_mode = true; |
| pr_notice("%s: In flash prog mode, status = 0x%02x\n", |
| __func__, |
| status.status_code); |
| } else { |
| rmi4_data->flash_prog_mode = false; |
| } |
| |
| return 0; |
| } |
| |
| static void synaptics_rmi4_set_configured(struct synaptics_rmi4_data *rmi4_data) |
| { |
| int retval; |
| unsigned char device_ctrl; |
| |
| retval = synaptics_rmi4_reg_read(rmi4_data, |
| rmi4_data->f01_ctrl_base_addr, |
| &device_ctrl, |
| sizeof(device_ctrl)); |
| if (retval < 0) { |
| dev_err(rmi4_data->pdev->dev.parent, |
| "%s: Failed to set configured\n", |
| __func__); |
| return; |
| } |
| |
| rmi4_data->no_sleep_setting = device_ctrl & NO_SLEEP_ON; |
| device_ctrl |= CONFIGURED; |
| |
| retval = synaptics_rmi4_reg_write(rmi4_data, |
| rmi4_data->f01_ctrl_base_addr, |
| &device_ctrl, |
| sizeof(device_ctrl)); |
| if (retval < 0) { |
| dev_err(rmi4_data->pdev->dev.parent, |
| "%s: Failed to set configured\n", |
| __func__); |
| } |
| |
| return; |
| } |
| |
| static int synaptics_rmi4_alloc_fh(struct synaptics_rmi4_fn **fhandler, |
| struct synaptics_rmi4_fn_desc *rmi_fd, int page_number) |
| { |
| *fhandler = kmalloc(sizeof(**fhandler), GFP_KERNEL); |
| if (!(*fhandler)) |
| return -ENOMEM; |
| |
| (*fhandler)->full_addr.data_base = |
| (rmi_fd->data_base_addr | |
| (page_number << 8)); |
| (*fhandler)->full_addr.ctrl_base = |
| (rmi_fd->ctrl_base_addr | |
| (page_number << 8)); |
| (*fhandler)->full_addr.cmd_base = |
| (rmi_fd->cmd_base_addr | |
| (page_number << 8)); |
| (*fhandler)->full_addr.query_base = |
| (rmi_fd->query_base_addr | |
| (page_number << 8)); |
| |
| return 0; |
| } |
| |
| static int synaptics_rmi4_query_device(struct synaptics_rmi4_data *rmi4_data) |
| { |
| int retval; |
| unsigned char page_number; |
| unsigned char intr_count; |
| unsigned char *f01_query; |
| unsigned short pdt_entry_addr; |
| bool f01found; |
| bool f35found; |
| bool was_in_bl_mode; |
| struct synaptics_rmi4_fn_desc rmi_fd; |
| struct synaptics_rmi4_fn *fhandler; |
| struct synaptics_rmi4_device_info *rmi; |
| |
| rmi = &(rmi4_data->rmi4_mod_info); |
| |
| rescan_pdt: |
| f01found = false; |
| f35found = false; |
| was_in_bl_mode = false; |
| intr_count = 0; |
| INIT_LIST_HEAD(&rmi->support_fn_list); |
| |
| /* Scan the page description tables of the pages to service */ |
| for (page_number = 0; page_number < PAGES_TO_SERVICE; page_number++) { |
| for (pdt_entry_addr = PDT_START; pdt_entry_addr > PDT_END; |
| pdt_entry_addr -= PDT_ENTRY_SIZE) { |
| pdt_entry_addr |= (page_number << 8); |
| |
| retval = synaptics_rmi4_reg_read(rmi4_data, |
| pdt_entry_addr, |
| (unsigned char *)&rmi_fd, |
| sizeof(rmi_fd)); |
| if (retval < 0) |
| return retval; |
| |
| pdt_entry_addr &= ~(MASK_8BIT << 8); |
| |
| fhandler = NULL; |
| |
| if (rmi_fd.fn_number == 0) { |
| dev_dbg(rmi4_data->pdev->dev.parent, |
| "%s: Reached end of PDT\n", |
| __func__); |
| break; |
| } |
| |
| dev_dbg(rmi4_data->pdev->dev.parent, |
| "%s: F%02x found (page %d)\n", |
| __func__, rmi_fd.fn_number, |
| page_number); |
| |
| switch (rmi_fd.fn_number) { |
| case SYNAPTICS_RMI4_F01: |
| if (rmi_fd.intr_src_count == 0) |
| break; |
| |
| f01found = true; |
| |
| retval = synaptics_rmi4_alloc_fh(&fhandler, |
| &rmi_fd, page_number); |
| if (retval < 0) { |
| dev_err(rmi4_data->pdev->dev.parent, |
| "%s: Failed to alloc for F%d\n", |
| __func__, |
| rmi_fd.fn_number); |
| return retval; |
| } |
| |
| retval = synaptics_rmi4_f01_init(rmi4_data, |
| fhandler, &rmi_fd, intr_count); |
| if (retval < 0) |
| return retval; |
| |
| retval = synaptics_rmi4_check_status(rmi4_data, |
| &was_in_bl_mode); |
| if (retval < 0) { |
| dev_err(rmi4_data->pdev->dev.parent, |
| "%s: Failed to check status\n", |
| __func__); |
| return retval; |
| } |
| |
| if (was_in_bl_mode) { |
| kfree(fhandler); |
| fhandler = NULL; |
| goto rescan_pdt; |
| } |
| |
| if (rmi4_data->flash_prog_mode) |
| goto flash_prog_mode; |
| |
| break; |
| case SYNAPTICS_RMI4_F11: |
| if (rmi_fd.intr_src_count == 0) |
| break; |
| |
| retval = synaptics_rmi4_alloc_fh(&fhandler, |
| &rmi_fd, page_number); |
| if (retval < 0) { |
| dev_err(rmi4_data->pdev->dev.parent, |
| "%s: Failed to alloc for F%d\n", |
| __func__, |
| rmi_fd.fn_number); |
| return retval; |
| } |
| |
| retval = synaptics_rmi4_f11_init(rmi4_data, |
| fhandler, &rmi_fd, intr_count); |
| if (retval < 0) |
| return retval; |
| break; |
| case SYNAPTICS_RMI4_F12: |
| if (rmi_fd.intr_src_count == 0) |
| break; |
| |
| retval = synaptics_rmi4_alloc_fh(&fhandler, |
| &rmi_fd, page_number); |
| if (retval < 0) { |
| dev_err(rmi4_data->pdev->dev.parent, |
| "%s: Failed to alloc for F%d\n", |
| __func__, |
| rmi_fd.fn_number); |
| return retval; |
| } |
| |
| retval = synaptics_rmi4_f12_init(rmi4_data, |
| fhandler, &rmi_fd, intr_count); |
| if (retval < 0) |
| return retval; |
| break; |
| case SYNAPTICS_RMI4_F1A: |
| if (rmi_fd.intr_src_count == 0) |
| break; |
| |
| retval = synaptics_rmi4_alloc_fh(&fhandler, |
| &rmi_fd, page_number); |
| if (retval < 0) { |
| dev_err(rmi4_data->pdev->dev.parent, |
| "%s: Failed to alloc for F%d\n", |
| __func__, |
| rmi_fd.fn_number); |
| return retval; |
| } |
| |
| retval = synaptics_rmi4_f1a_init(rmi4_data, |
| fhandler, &rmi_fd, intr_count); |
| if (retval < 0) { |
| #ifdef IGNORE_FN_INIT_FAILURE |
| kfree(fhandler); |
| fhandler = NULL; |
| #else |
| return retval; |
| #endif |
| } |
| break; |
| case SYNAPTICS_RMI4_F35: |
| f35found = true; |
| break; |
| } |
| |
| /* Accumulate the interrupt count */ |
| intr_count += rmi_fd.intr_src_count; |
| |
| if (fhandler && rmi_fd.intr_src_count) { |
| list_add_tail(&fhandler->link, |
| &rmi->support_fn_list); |
| } |
| } |
| } |
| |
| if (!f01found) { |
| dev_err(rmi4_data->pdev->dev.parent, |
| "%s: Failed to find F01\n", |
| __func__); |
| if (!f35found) { |
| dev_err(rmi4_data->pdev->dev.parent, |
| "%s: Failed to find F35\n", |
| __func__); |
| return -EINVAL; |
| } else { |
| pr_notice("%s: In microbootloader mode\n", |
| __func__); |
| return 0; |
| } |
| } |
| |
| flash_prog_mode: |
| rmi4_data->num_of_intr_regs = (intr_count + 7) / 8; |
| dev_dbg(rmi4_data->pdev->dev.parent, |
| "%s: Number of interrupt registers = %d\n", |
| __func__, rmi4_data->num_of_intr_regs); |
| |
| f01_query = kmalloc(F01_STD_QUERY_LEN, GFP_KERNEL); |
| if (!f01_query) { |
| dev_err(rmi4_data->pdev->dev.parent, |
| "%s: Failed to alloc mem for f01_query\n", |
| __func__); |
| return -ENOMEM; |
| } |
| |
| retval = synaptics_rmi4_reg_read(rmi4_data, |
| rmi4_data->f01_query_base_addr, |
| f01_query, |
| F01_STD_QUERY_LEN); |
| if (retval < 0) { |
| kfree(f01_query); |
| return retval; |
| } |
| |
| /* RMI Version 4.0 currently supported */ |
| rmi->version_major = 4; |
| rmi->version_minor = 0; |
| |
| rmi->manufacturer_id = f01_query[0]; |
| rmi->product_props = f01_query[1]; |
| rmi->product_info[0] = f01_query[2]; |
| rmi->product_info[1] = f01_query[3]; |
| retval = secure_memcpy(rmi->product_id_string, |
| sizeof(rmi->product_id_string), |
| &f01_query[11], |
| F01_STD_QUERY_LEN - 11, |
| PRODUCT_ID_SIZE); |
| if (retval < 0) { |
| dev_err(rmi4_data->pdev->dev.parent, |
| "%s: Failed to copy product ID string\n", |
| __func__); |
| } |
| |
| kfree(f01_query); |
| |
| if (rmi->manufacturer_id != 1) { |
| dev_err(rmi4_data->pdev->dev.parent, |
| "%s: Non-Synaptics device found, manufacturer ID = %d\n", |
| __func__, rmi->manufacturer_id); |
| } |
| |
| retval = synaptics_rmi4_reg_read(rmi4_data, |
| rmi4_data->f01_query_base_addr + F01_BUID_ID_OFFSET, |
| rmi->build_id, |
| sizeof(rmi->build_id)); |
| if (retval < 0) |
| return retval; |
| |
| rmi4_data->firmware_id = (unsigned int)rmi->build_id[0] + |
| (unsigned int)rmi->build_id[1] * 0x100 + |
| (unsigned int)rmi->build_id[2] * 0x10000; |
| |
| memset(rmi4_data->intr_mask, 0x00, sizeof(rmi4_data->intr_mask)); |
| |
| /* |
| * Map out the interrupt bit masks for the interrupt sources |
| * from the registered function handlers. |
| */ |
| if (!list_empty(&rmi->support_fn_list)) { |
| list_for_each_entry(fhandler, &rmi->support_fn_list, link) { |
| if (fhandler->num_of_data_sources) { |
| rmi4_data->intr_mask[fhandler->intr_reg_num] |= |
| fhandler->intr_mask; |
| } |
| } |
| } |
| |
| if (rmi4_data->f11_wakeup_gesture || rmi4_data->f12_wakeup_gesture) |
| rmi4_data->enable_wakeup_gesture = rmi4_data->wakeup_gesture_en; |
| else |
| rmi4_data->enable_wakeup_gesture = false; |
| |
| synaptics_rmi4_set_configured(rmi4_data); |
| |
| return 0; |
| } |
| |
| static int synaptics_rmi4_gpio_setup(int gpio, bool config, int dir, int state) |
| { |
| int retval = 0; |
| unsigned char buf[16]; |
| |
| if (config) { |
| retval = snprintf(buf, ARRAY_SIZE(buf), "dsx_gpio_%u\n", gpio); |
| if (retval >= 16) |
| return -EINVAL; |
| |
| retval = gpio_request(gpio, buf); |
| if (retval) { |
| pr_err("%s: Failed to get gpio %d (code: %d)", |
| __func__, gpio, retval); |
| return retval; |
| } |
| |
| if (dir == 0) |
| retval = gpio_direction_input(gpio); |
| else |
| retval = gpio_direction_output(gpio, state); |
| if (retval) { |
| pr_err("%s: Failed to set gpio %d direction", |
| __func__, gpio); |
| return retval; |
| } |
| } else { |
| gpio_free(gpio); |
| } |
| |
| return retval; |
| } |
| |
| static void synaptics_rmi4_set_params(struct synaptics_rmi4_data *rmi4_data) |
| { |
| unsigned char ii; |
| struct synaptics_rmi4_f1a_handle *f1a; |
| struct synaptics_rmi4_fn *fhandler; |
| struct synaptics_rmi4_device_info *rmi; |
| |
| rmi = &(rmi4_data->rmi4_mod_info); |
| |
| input_set_abs_params(rmi4_data->input_dev, |
| ABS_MT_POSITION_X, 0, |
| rmi4_data->sensor_max_x, 0, 0); |
| input_set_abs_params(rmi4_data->input_dev, |
| ABS_MT_POSITION_Y, 0, |
| rmi4_data->sensor_max_y, 0, 0); |
| #ifdef REPORT_2D_W |
| input_set_abs_params(rmi4_data->input_dev, |
| ABS_MT_TOUCH_MAJOR, 0, |
| rmi4_data->max_touch_width, 0, 0); |
| input_set_abs_params(rmi4_data->input_dev, |
| ABS_MT_TOUCH_MINOR, 0, |
| rmi4_data->max_touch_width, 0, 0); |
| #endif |
| |
| #ifdef REPORT_2D_PRESSURE |
| if (rmi4_data->report_pressure) { |
| input_set_abs_params(rmi4_data->input_dev, |
| ABS_MT_PRESSURE, 0, |
| MAX_F12_TOUCH_PRESSURE, 0, 0); |
| } |
| #endif |
| |
| #ifdef TYPE_B_PROTOCOL |
| #ifdef KERNEL_ABOVE_3_6 |
| input_mt_init_slots(rmi4_data->input_dev, |
| rmi4_data->num_of_fingers, INPUT_MT_DIRECT); |
| #else |
| input_mt_init_slots(rmi4_data->input_dev, |
| rmi4_data->num_of_fingers); |
| #endif |
| #endif |
| |
| f1a = NULL; |
| if (!list_empty(&rmi->support_fn_list)) { |
| list_for_each_entry(fhandler, &rmi->support_fn_list, link) { |
| if (fhandler->fn_number == SYNAPTICS_RMI4_F1A) |
| f1a = fhandler->data; |
| } |
| } |
| |
| if (f1a) { |
| for (ii = 0; ii < f1a->valid_button_count; ii++) { |
| set_bit(f1a->button_map[ii], |
| rmi4_data->input_dev->keybit); |
| input_set_capability(rmi4_data->input_dev, |
| EV_KEY, f1a->button_map[ii]); |
| } |
| } |
| |
| if (vir_button_map->nbuttons) { |
| for (ii = 0; ii < vir_button_map->nbuttons; ii++) { |
| set_bit(vir_button_map->map[ii * 5], |
| rmi4_data->input_dev->keybit); |
| input_set_capability(rmi4_data->input_dev, |
| EV_KEY, vir_button_map->map[ii * 5]); |
| } |
| } |
| |
| if (rmi4_data->f11_wakeup_gesture || rmi4_data->f12_wakeup_gesture) { |
| set_bit(KEY_WAKEUP, rmi4_data->input_dev->keybit); |
| input_set_capability(rmi4_data->input_dev, EV_KEY, KEY_WAKEUP); |
| } |
| |
| return; |
| } |
| |
| static int synaptics_rmi4_set_input_dev(struct synaptics_rmi4_data *rmi4_data) |
| { |
| int retval; |
| const struct synaptics_dsx_board_data *bdata = |
| rmi4_data->hw_if->board_data; |
| |
| rmi4_data->input_dev = input_allocate_device(); |
| if (rmi4_data->input_dev == NULL) { |
| dev_err(rmi4_data->pdev->dev.parent, |
| "%s: Failed to allocate input device\n", |
| __func__); |
| retval = -ENOMEM; |
| goto err_input_device; |
| } |
| |
| retval = synaptics_rmi4_query_device(rmi4_data); |
| if (retval < 0) { |
| dev_err(rmi4_data->pdev->dev.parent, |
| "%s: Failed to query device\n", |
| __func__); |
| goto err_query_device; |
| } |
| |
| rmi4_data->input_dev->name = PLATFORM_DRIVER_NAME; |
| rmi4_data->input_dev->phys = INPUT_PHYS_NAME; |
| rmi4_data->input_dev->id.product = SYNAPTICS_DSX_DRIVER_PRODUCT; |
| rmi4_data->input_dev->id.version = SYNAPTICS_DSX_DRIVER_VERSION; |
| rmi4_data->input_dev->dev.parent = rmi4_data->pdev->dev.parent; |
| input_set_drvdata(rmi4_data->input_dev, rmi4_data); |
| |
| set_bit(EV_SYN, rmi4_data->input_dev->evbit); |
| set_bit(EV_KEY, rmi4_data->input_dev->evbit); |
| set_bit(EV_ABS, rmi4_data->input_dev->evbit); |
| set_bit(BTN_TOUCH, rmi4_data->input_dev->keybit); |
| set_bit(BTN_TOOL_FINGER, rmi4_data->input_dev->keybit); |
| #ifdef INPUT_PROP_DIRECT |
| set_bit(INPUT_PROP_DIRECT, rmi4_data->input_dev->propbit); |
| #endif |
| |
| if (bdata->max_y_for_2d >= 0) |
| rmi4_data->sensor_max_y = bdata->max_y_for_2d; |
| |
| synaptics_rmi4_set_params(rmi4_data); |
| |
| retval = input_register_device(rmi4_data->input_dev); |
| if (retval) { |
| dev_err(rmi4_data->pdev->dev.parent, |
| "%s: Failed to register input device\n", |
| __func__); |
| goto err_register_input; |
| } |
| |
| if (!rmi4_data->stylus_enable) |
| return 0; |
| |
| rmi4_data->stylus_dev = input_allocate_device(); |
| if (rmi4_data->stylus_dev == NULL) { |
| dev_err(rmi4_data->pdev->dev.parent, |
| "%s: Failed to allocate stylus device\n", |
| __func__); |
| retval = -ENOMEM; |
| goto err_stylus_device; |
| } |
| |
| rmi4_data->stylus_dev->name = STYLUS_DRIVER_NAME; |
| rmi4_data->stylus_dev->phys = STYLUS_PHYS_NAME; |
| rmi4_data->stylus_dev->id.product = SYNAPTICS_DSX_DRIVER_PRODUCT; |
| rmi4_data->stylus_dev->id.version = SYNAPTICS_DSX_DRIVER_VERSION; |
| rmi4_data->stylus_dev->dev.parent = rmi4_data->pdev->dev.parent; |
| input_set_drvdata(rmi4_data->stylus_dev, rmi4_data); |
| |
| set_bit(EV_KEY, rmi4_data->stylus_dev->evbit); |
| set_bit(EV_ABS, rmi4_data->stylus_dev->evbit); |
| set_bit(BTN_TOUCH, rmi4_data->stylus_dev->keybit); |
| set_bit(BTN_TOOL_PEN, rmi4_data->stylus_dev->keybit); |
| if (rmi4_data->eraser_enable) |
| set_bit(BTN_TOOL_RUBBER, rmi4_data->stylus_dev->keybit); |
| #ifdef INPUT_PROP_DIRECT |
| set_bit(INPUT_PROP_DIRECT, rmi4_data->stylus_dev->propbit); |
| #endif |
| |
| input_set_abs_params(rmi4_data->stylus_dev, ABS_X, 0, |
| rmi4_data->sensor_max_x, 0, 0); |
| input_set_abs_params(rmi4_data->stylus_dev, ABS_Y, 0, |
| rmi4_data->sensor_max_y, 0, 0); |
| |
| retval = input_register_device(rmi4_data->stylus_dev); |
| if (retval) { |
| dev_err(rmi4_data->pdev->dev.parent, |
| "%s: Failed to register stylus device\n", |
| __func__); |
| goto err_register_stylus; |
| } |
| |
| return 0; |
| |
| err_register_stylus: |
| rmi4_data->stylus_dev = NULL; |
| |
| err_stylus_device: |
| input_unregister_device(rmi4_data->input_dev); |
| rmi4_data->input_dev = NULL; |
| |
| err_register_input: |
| err_query_device: |
| synaptics_rmi4_empty_fn_list(rmi4_data); |
| input_free_device(rmi4_data->input_dev); |
| |
| err_input_device: |
| return retval; |
| } |
| |
| static int synaptics_rmi4_set_gpio(struct synaptics_rmi4_data *rmi4_data) |
| { |
| int retval; |
| const struct synaptics_dsx_board_data *bdata = |
| rmi4_data->hw_if->board_data; |
| |
| retval = synaptics_rmi4_gpio_setup( |
| bdata->irq_gpio, |
| true, 0, 0); |
| if (retval < 0) { |
| dev_err(rmi4_data->pdev->dev.parent, |
| "%s: Failed to configure attention GPIO\n", |
| __func__); |
| goto err_gpio_irq; |
| } |
| |
| if (bdata->power_gpio >= 0) { |
| retval = synaptics_rmi4_gpio_setup( |
| bdata->power_gpio, |
| true, 1, !bdata->power_on_state); |
| if (retval < 0) { |
| dev_err(rmi4_data->pdev->dev.parent, |
| "%s: Failed to configure power GPIO\n", |
| __func__); |
| goto err_gpio_power; |
| } |
| } |
| |
| if (bdata->reset_gpio >= 0) { |
| retval = synaptics_rmi4_gpio_setup( |
| bdata->reset_gpio, |
| true, 1, !bdata->reset_on_state); |
| if (retval < 0) { |
| dev_err(rmi4_data->pdev->dev.parent, |
| "%s: Failed to configure reset GPIO\n", |
| __func__); |
| goto err_gpio_reset; |
| } |
| } |
| |
| if (bdata->power_gpio >= 0) { |
| gpio_set_value(bdata->power_gpio, bdata->power_on_state); |
| msleep(bdata->power_delay_ms); |
| } |
| |
| if (bdata->reset_gpio >= 0) { |
| gpio_set_value(bdata->reset_gpio, bdata->reset_on_state); |
| msleep(bdata->reset_active_ms); |
| gpio_set_value(bdata->reset_gpio, !bdata->reset_on_state); |
| msleep(bdata->reset_delay_ms); |
| } |
| |
| return 0; |
| |
| err_gpio_reset: |
| if (bdata->power_gpio >= 0) |
| synaptics_rmi4_gpio_setup(bdata->power_gpio, false, 0, 0); |
| |
| err_gpio_power: |
| synaptics_rmi4_gpio_setup(bdata->irq_gpio, false, 0, 0); |
| |
| err_gpio_irq: |
| return retval; |
| } |
| |
| static int reg_set_optimum_mode_check(struct regulator *reg, int load_uA) |
| { |
| return (regulator_count_voltages(reg) > 0) ? |
| regulator_set_load(reg, load_uA) : 0; |
| } |
| |
| static int synaptics_rmi4_configure_reg(struct synaptics_rmi4_data *rmi4_data, |
| bool on) |
| { |
| int retval; |
| |
| if (on == false) |
| goto hw_shutdown; |
| |
| if (rmi4_data->pwr_reg) { |
| if (regulator_count_voltages(rmi4_data->pwr_reg) > 0) { |
| retval = regulator_set_voltage(rmi4_data->pwr_reg, |
| PWR_VTG_MIN_UV, PWR_VTG_MAX_UV); |
| if (retval) { |
| dev_err(rmi4_data->pdev->dev.parent, |
| "regulator set_vtg failed retval =%d\n", |
| retval); |
| goto err_set_vtg_pwr; |
| } |
| } |
| } |
| |
| if (rmi4_data->bus_reg) { |
| if (regulator_count_voltages(rmi4_data->bus_reg) > 0) { |
| retval = regulator_set_voltage(rmi4_data->bus_reg, |
| I2C_VTG_MIN_UV, I2C_VTG_MAX_UV); |
| if (retval) { |
| dev_err(rmi4_data->pdev->dev.parent, |
| "regulator set_vtg failed retval =%d\n", |
| retval); |
| goto err_set_vtg_bus; |
| } |
| } |
| } |
| |
| return 0; |
| |
| err_set_vtg_bus: |
| if (rmi4_data->pwr_reg && |
| regulator_count_voltages(rmi4_data->pwr_reg) > 0) |
| regulator_set_voltage(rmi4_data->pwr_reg, 0, PWR_VTG_MAX_UV); |
| err_set_vtg_pwr: |
| return retval; |
| |
| hw_shutdown: |
| if (rmi4_data->pwr_reg && |
| regulator_count_voltages(rmi4_data->pwr_reg) > 0) |
| regulator_set_voltage(rmi4_data->pwr_reg, 0, PWR_VTG_MAX_UV); |
| if (rmi4_data->bus_reg && |
| regulator_count_voltages(rmi4_data->bus_reg) > 0) |
| regulator_set_voltage(rmi4_data->bus_reg, 0, I2C_VTG_MAX_UV); |
| |
| return 0; |
| } |
| |
| static int synaptics_rmi4_get_reg(struct synaptics_rmi4_data *rmi4_data, |
| bool get) |
| { |
| int retval; |
| const struct synaptics_dsx_board_data *bdata = |
| rmi4_data->hw_if->board_data; |
| |
| if (!get) { |
| retval = 0; |
| goto regulator_put; |
| } |
| |
| if ((bdata->pwr_reg_name != NULL) && (*bdata->pwr_reg_name != 0)) { |
| rmi4_data->pwr_reg = regulator_get(rmi4_data->pdev->dev.parent, |
| bdata->pwr_reg_name); |
| if (IS_ERR(rmi4_data->pwr_reg)) { |
| dev_err(rmi4_data->pdev->dev.parent, |
| "%s: Failed to get power regulator\n", |
| __func__); |
| retval = PTR_ERR(rmi4_data->pwr_reg); |
| goto regulator_put; |
| } |
| } |
| |
| if ((bdata->bus_reg_name != NULL) && (*bdata->bus_reg_name != 0)) { |
| rmi4_data->bus_reg = regulator_get(rmi4_data->pdev->dev.parent, |
| bdata->bus_reg_name); |
| if (IS_ERR(rmi4_data->bus_reg)) { |
| dev_err(rmi4_data->pdev->dev.parent, |
| "%s: Failed to get bus pullup regulator\n", |
| __func__); |
| retval = PTR_ERR(rmi4_data->bus_reg); |
| goto regulator_put; |
| } |
| } |
| |
| return 0; |
| |
| regulator_put: |
| if (rmi4_data->pwr_reg) { |
| regulator_put(rmi4_data->pwr_reg); |
| rmi4_data->pwr_reg = NULL; |
| } |
| |
| if (rmi4_data->bus_reg) { |
| regulator_put(rmi4_data->bus_reg); |
| rmi4_data->bus_reg = NULL; |
| } |
| |
| return retval; |
| } |
| |
| static int synaptics_rmi4_enable_reg(struct synaptics_rmi4_data *rmi4_data, |
| bool enable) |
| { |
| int retval; |
| const struct synaptics_dsx_board_data *bdata = |
| rmi4_data->hw_if->board_data; |
| |
| if (!enable) { |
| retval = 0; |
| goto disable_pwr_reg; |
| } |
| |
| if (rmi4_data->bus_reg) { |
| retval = reg_set_optimum_mode_check(rmi4_data->bus_reg, |
| I2C_ACTIVE_LOAD_UA); |
| if (retval < 0) { |
| dev_err(rmi4_data->pdev->dev.parent, |
| "%s: Regulator set_opt failed rc=%d\n", |
| __func__, retval); |
| return retval; |
| } |
| |
| retval = regulator_enable(rmi4_data->bus_reg); |
| if (retval < 0) { |
| dev_err(rmi4_data->pdev->dev.parent, |
| "%s: Failed to enable bus pullup regulator\n", |
| __func__); |
| goto err_bus_reg_en; |
| } |
| } |
| |
| if (rmi4_data->pwr_reg) { |
| retval = reg_set_optimum_mode_check(rmi4_data->pwr_reg, |
| PWR_ACTIVE_LOAD_UA); |
| if (retval < 0) { |
| dev_err(rmi4_data->pdev->dev.parent, |
| "%s: Regulator set_opt failed rc=%d\n", |
| __func__, retval); |
| goto disable_bus_reg; |
| } |
| |
| retval = regulator_enable(rmi4_data->pwr_reg); |
| if (retval < 0) { |
| dev_err(rmi4_data->pdev->dev.parent, |
| "%s: Failed to enable power regulator\n", |
| __func__); |
| goto err_pwr_reg_en; |
| } |
| msleep(bdata->power_delay_ms); |
| } |
| |
| return 0; |
| |
| err_pwr_reg_en: |
| reg_set_optimum_mode_check(rmi4_data->pwr_reg, 0); |
| goto disable_bus_reg; |
| err_bus_reg_en: |
| reg_set_optimum_mode_check(rmi4_data->bus_reg, 0); |
| |
| return retval; |
| |
| disable_pwr_reg: |
| if (rmi4_data->pwr_reg) { |
| reg_set_optimum_mode_check(rmi4_data->pwr_reg, 0); |
| regulator_disable(rmi4_data->pwr_reg); |
| } |
| |
| disable_bus_reg: |
| if (rmi4_data->bus_reg) { |
| reg_set_optimum_mode_check(rmi4_data->bus_reg, 0); |
| regulator_disable(rmi4_data->bus_reg); |
| } |
| |
| return retval; |
| } |
| |
| static int synaptics_rmi4_free_fingers(struct synaptics_rmi4_data *rmi4_data) |
| { |
| unsigned char ii; |
| |
| mutex_lock(&(rmi4_data->rmi4_report_mutex)); |
| |
| #ifdef TYPE_B_PROTOCOL |
| for (ii = 0; ii < rmi4_data->num_of_fingers; ii++) { |
| input_mt_slot(rmi4_data->input_dev, ii); |
| input_mt_report_slot_state(rmi4_data->input_dev, |
| MT_TOOL_FINGER, 0); |
| } |
| #endif |
| input_report_key(rmi4_data->input_dev, |
| BTN_TOUCH, 0); |
| input_report_key(rmi4_data->input_dev, |
| BTN_TOOL_FINGER, 0); |
| #ifndef TYPE_B_PROTOCOL |
| input_mt_sync(rmi4_data->input_dev); |
| #endif |
| input_sync(rmi4_data->input_dev); |
| |
| if (rmi4_data->stylus_enable) { |
| input_report_key(rmi4_data->stylus_dev, |
| BTN_TOUCH, 0); |
| input_report_key(rmi4_data->stylus_dev, |
| BTN_TOOL_PEN, 0); |
| if (rmi4_data->eraser_enable) { |
| input_report_key(rmi4_data->stylus_dev, |
| BTN_TOOL_RUBBER, 0); |
| } |
| input_sync(rmi4_data->stylus_dev); |
| } |
| |
| mutex_unlock(&(rmi4_data->rmi4_report_mutex)); |
| |
| rmi4_data->fingers_on_2d = false; |
| |
| return 0; |
| } |
| |
| static int synaptics_rmi4_sw_reset(struct synaptics_rmi4_data *rmi4_data) |
| { |
| int retval; |
| unsigned char command = 0x01; |
| |
| retval = synaptics_rmi4_reg_write(rmi4_data, |
| rmi4_data->f01_cmd_base_addr, |
| &command, |
| sizeof(command)); |
| if (retval < 0) |
| return retval; |
| |
| msleep(rmi4_data->hw_if->board_data->reset_delay_ms); |
| |
| if (rmi4_data->hw_if->ui_hw_init) { |
| retval = rmi4_data->hw_if->ui_hw_init(rmi4_data); |
| if (retval < 0) |
| return retval; |
| } |
| |
| return 0; |
| } |
| |
| static void synaptics_rmi4_rebuild_work(struct work_struct *work) |
| { |
| int retval; |
| unsigned char attr_count; |
| struct synaptics_rmi4_exp_fhandler *exp_fhandler; |
| struct delayed_work *delayed_work = |
| container_of(work, struct delayed_work, work); |
| struct synaptics_rmi4_data *rmi4_data = |
| container_of(delayed_work, struct synaptics_rmi4_data, |
| rb_work); |
| |
| mutex_lock(&(rmi4_data->rmi4_reset_mutex)); |
| |
| mutex_lock(&exp_data.mutex); |
| |
| synaptics_rmi4_irq_enable(rmi4_data, false, false); |
| |
| if (!list_empty(&exp_data.list)) { |
| list_for_each_entry(exp_fhandler, &exp_data.list, link) |
| if (exp_fhandler->exp_fn->remove != NULL) |
| exp_fhandler->exp_fn->remove(rmi4_data); |
| } |
| |
| for (attr_count = 0; attr_count < ARRAY_SIZE(attrs); attr_count++) { |
| sysfs_remove_file(&rmi4_data->input_dev->dev.kobj, |
| &attrs[attr_count].attr); |
| } |
| |
| synaptics_rmi4_free_fingers(rmi4_data); |
| synaptics_rmi4_empty_fn_list(rmi4_data); |
| input_unregister_device(rmi4_data->input_dev); |
| rmi4_data->input_dev = NULL; |
| if (rmi4_data->stylus_enable) { |
| input_unregister_device(rmi4_data->stylus_dev); |
| rmi4_data->stylus_dev = NULL; |
| } |
| |
| retval = synaptics_rmi4_sw_reset(rmi4_data); |
| if (retval < 0) { |
| dev_err(rmi4_data->pdev->dev.parent, |
| "%s: Failed to issue reset command\n", |
| __func__); |
| goto exit; |
| } |
| |
| retval = synaptics_rmi4_set_input_dev(rmi4_data); |
| if (retval < 0) { |
| dev_err(rmi4_data->pdev->dev.parent, |
| "%s: Failed to set up input device\n", |
| __func__); |
| goto exit; |
| } |
| |
| for (attr_count = 0; attr_count < ARRAY_SIZE(attrs); attr_count++) { |
| retval = sysfs_create_file(&rmi4_data->input_dev->dev.kobj, |
| &attrs[attr_count].attr); |
| if (retval < 0) { |
| dev_err(rmi4_data->pdev->dev.parent, |
| "%s: Failed to create sysfs attributes\n", |
| __func__); |
| goto exit; |
| } |
| } |
| |
| if (!list_empty(&exp_data.list)) { |
| list_for_each_entry(exp_fhandler, &exp_data.list, link) |
| if (exp_fhandler->exp_fn->init != NULL) |
| exp_fhandler->exp_fn->init(rmi4_data); |
| } |
| |
| retval = 0; |
| |
| exit: |
| synaptics_rmi4_irq_enable(rmi4_data, true, false); |
| |
| mutex_unlock(&exp_data.mutex); |
| |
| mutex_unlock(&(rmi4_data->rmi4_reset_mutex)); |
| |
| return; |
| } |
| |
| static int synaptics_rmi4_reset_device(struct synaptics_rmi4_data *rmi4_data, |
| bool rebuild) |
| { |
| int retval; |
| struct synaptics_rmi4_exp_fhandler *exp_fhandler; |
| |
| if (rebuild) { |
| queue_delayed_work(rmi4_data->rb_workqueue, |
| &rmi4_data->rb_work, |
| msecs_to_jiffies(REBUILD_WORK_DELAY_MS)); |
| return 0; |
| } |
| |
| mutex_lock(&(rmi4_data->rmi4_reset_mutex)); |
| |
| synaptics_rmi4_irq_enable(rmi4_data, false, false); |
| |
| retval = synaptics_rmi4_sw_reset(rmi4_data); |
| if (retval < 0) { |
| dev_err(rmi4_data->pdev->dev.parent, |
| "%s: Failed to issue reset command\n", |
| __func__); |
| goto exit; |
| } |
| |
| synaptics_rmi4_free_fingers(rmi4_data); |
| |
| synaptics_rmi4_empty_fn_list(rmi4_data); |
| |
| retval = synaptics_rmi4_query_device(rmi4_data); |
| if (retval < 0) { |
| dev_err(rmi4_data->pdev->dev.parent, |
| "%s: Failed to query device\n", |
| __func__); |
| goto exit; |
| } |
| |
| mutex_lock(&exp_data.mutex); |
| if (!list_empty(&exp_data.list)) { |
| list_for_each_entry(exp_fhandler, &exp_data.list, link) |
| if (exp_fhandler->exp_fn->reset != NULL) |
| exp_fhandler->exp_fn->reset(rmi4_data); |
| } |
| mutex_unlock(&exp_data.mutex); |
| |
| retval = 0; |
| |
| exit: |
| synaptics_rmi4_irq_enable(rmi4_data, true, false); |
| |
| mutex_unlock(&(rmi4_data->rmi4_reset_mutex)); |
| |
| return retval; |
| } |
| |
| #ifdef FB_READY_RESET |
| static void synaptics_rmi4_reset_work(struct work_struct *work) |
| { |
| int retval; |
| unsigned int timeout; |
| struct synaptics_rmi4_data *rmi4_data = |
| container_of(work, struct synaptics_rmi4_data, |
| reset_work); |
| |
| timeout = FB_READY_TIMEOUT_S * 1000 / FB_READY_WAIT_MS + 1; |
| |
| while (!rmi4_data->fb_ready) { |
| msleep(FB_READY_WAIT_MS); |
| timeout--; |
| if (timeout == 0) { |
| dev_err(rmi4_data->pdev->dev.parent, |
| "%s: Timed out waiting for FB ready\n", |
| __func__); |
| return; |
| } |
| } |
| |
| mutex_lock(&rmi4_data->rmi4_exp_init_mutex); |
| |
| retval = synaptics_rmi4_reset_device(rmi4_data, false); |
| if (retval < 0) { |
| dev_err(rmi4_data->pdev->dev.parent, |
| "%s: Failed to issue reset command\n", |
| __func__); |
| } |
| |
| mutex_unlock(&rmi4_data->rmi4_exp_init_mutex); |
| |
| return; |
| } |
| #endif |
| |
| static void synaptics_rmi4_sleep_enable(struct synaptics_rmi4_data *rmi4_data, |
| bool enable) |
| { |
| int retval; |
| unsigned char device_ctrl; |
| unsigned char no_sleep_setting = rmi4_data->no_sleep_setting; |
| |
| retval = synaptics_rmi4_reg_read(rmi4_data, |
| rmi4_data->f01_ctrl_base_addr, |
| &device_ctrl, |
| sizeof(device_ctrl)); |
| if (retval < 0) { |
| dev_err(rmi4_data->pdev->dev.parent, |
| "%s: Failed to read device control\n", |
| __func__); |
| return; |
| } |
| |
| device_ctrl = device_ctrl & ~MASK_3BIT; |
| if (enable) |
| device_ctrl = device_ctrl | NO_SLEEP_OFF | SENSOR_SLEEP; |
| else |
| device_ctrl = device_ctrl | no_sleep_setting | NORMAL_OPERATION; |
| |
| retval = synaptics_rmi4_reg_write(rmi4_data, |
| rmi4_data->f01_ctrl_base_addr, |
| &device_ctrl, |
| sizeof(device_ctrl)); |
| if (retval < 0) { |
| dev_err(rmi4_data->pdev->dev.parent, |
| "%s: Failed to write device control\n", |
| __func__); |
| return; |
| } |
| |
| rmi4_data->sensor_sleep = enable; |
| |
| return; |
| } |
| |
| static void synaptics_rmi4_exp_fn_work(struct work_struct *work) |
| { |
| struct synaptics_rmi4_exp_fhandler *exp_fhandler; |
| struct synaptics_rmi4_exp_fhandler *exp_fhandler_temp; |
| struct synaptics_rmi4_data *rmi4_data = exp_data.rmi4_data; |
| |
| mutex_lock(&rmi4_data->rmi4_exp_init_mutex); |
| mutex_lock(&rmi4_data->rmi4_reset_mutex); |
| mutex_lock(&exp_data.mutex); |
| if (!list_empty(&exp_data.list)) { |
| list_for_each_entry_safe(exp_fhandler, |
| exp_fhandler_temp, |
| &exp_data.list, |
| link) { |
| if ((exp_fhandler->exp_fn->init != NULL) && |
| exp_fhandler->insert) { |
| exp_fhandler->exp_fn->init(rmi4_data); |
| exp_fhandler->insert = false; |
| } else if ((exp_fhandler->exp_fn->remove != NULL) && |
| exp_fhandler->remove) { |
| exp_fhandler->exp_fn->remove(rmi4_data); |
| list_del(&exp_fhandler->link); |
| kfree(exp_fhandler); |
| } |
| } |
| } |
| mutex_unlock(&exp_data.mutex); |
| mutex_unlock(&rmi4_data->rmi4_reset_mutex); |
| mutex_unlock(&rmi4_data->rmi4_exp_init_mutex); |
| |
| return; |
| } |
| |
| void synaptics_rmi4_new_function(struct synaptics_rmi4_exp_fn *exp_fn, |
| bool insert) |
| { |
| struct synaptics_rmi4_exp_fhandler *exp_fhandler; |
| |
| if (!exp_data.initialized) { |
| mutex_init(&exp_data.mutex); |
| INIT_LIST_HEAD(&exp_data.list); |
| exp_data.initialized = true; |
| } |
| |
| mutex_lock(&exp_data.mutex); |
| if (insert) { |
| exp_fhandler = kzalloc(sizeof(*exp_fhandler), GFP_KERNEL); |
| if (!exp_fhandler) { |
| pr_err("%s: Failed to alloc mem for expansion function\n", |
| __func__); |
| goto exit; |
| } |
| exp_fhandler->exp_fn = exp_fn; |
| exp_fhandler->insert = true; |
| exp_fhandler->remove = false; |
| list_add_tail(&exp_fhandler->link, &exp_data.list); |
| } else if (!list_empty(&exp_data.list)) { |
| list_for_each_entry(exp_fhandler, &exp_data.list, link) { |
| if (exp_fhandler->exp_fn->fn_type == exp_fn->fn_type) { |
| exp_fhandler->insert = false; |
| exp_fhandler->remove = true; |
| goto exit; |
| } |
| } |
| } |
| |
| exit: |
| mutex_unlock(&exp_data.mutex); |
| |
| if (exp_data.queue_work) { |
| queue_delayed_work(exp_data.workqueue, |
| &exp_data.work, |
| msecs_to_jiffies(EXP_FN_WORK_DELAY_MS)); |
| } |
| |
| return; |
| } |
| EXPORT_SYMBOL(synaptics_rmi4_new_function); |
| |
| static int synaptics_dsx_pinctrl_init(struct synaptics_rmi4_data *rmi4_data) |
| { |
| int retval; |
| |
| /* Get pinctrl if target uses pinctrl */ |
| rmi4_data->ts_pinctrl = devm_pinctrl_get((rmi4_data->pdev->dev.parent)); |
| if (IS_ERR_OR_NULL(rmi4_data->ts_pinctrl)) { |
| retval = PTR_ERR(rmi4_data->ts_pinctrl); |
| dev_err(rmi4_data->pdev->dev.parent, |
| "Target does not use pinctrl %d\n", retval); |
| goto err_pinctrl_get; |
| } |
| |
| rmi4_data->pinctrl_state_active |
| = pinctrl_lookup_state(rmi4_data->ts_pinctrl, "pmx_ts_active"); |
| if (IS_ERR_OR_NULL(rmi4_data->pinctrl_state_active)) { |
| retval = PTR_ERR(rmi4_data->pinctrl_state_active); |
| dev_err(rmi4_data->pdev->dev.parent, |
| "Can not lookup %s pinstate %d\n", |
| PINCTRL_STATE_ACTIVE, retval); |
| goto err_pinctrl_lookup; |
| } |
| |
| rmi4_data->pinctrl_state_suspend |
| = pinctrl_lookup_state(rmi4_data->ts_pinctrl, "pmx_ts_suspend"); |
| if (IS_ERR_OR_NULL(rmi4_data->pinctrl_state_suspend)) { |
| retval = PTR_ERR(rmi4_data->pinctrl_state_suspend); |
| dev_dbg(rmi4_data->pdev->dev.parent, |
| "Can not lookup %s pinstate %d\n", |
| PINCTRL_STATE_SUSPEND, retval); |
| goto err_pinctrl_lookup; |
| } |
| |
| rmi4_data->pinctrl_state_release |
| = pinctrl_lookup_state(rmi4_data->ts_pinctrl, "pmx_ts_release"); |
| if (IS_ERR_OR_NULL(rmi4_data->pinctrl_state_release)) { |
| retval = PTR_ERR(rmi4_data->pinctrl_state_release); |
| dev_dbg(rmi4_data->pdev->dev.parent, |
| "Can not lookup %s pinstate %d\n", |
| PINCTRL_STATE_RELEASE, retval); |
| } |
| |
| return 0; |
| |
| err_pinctrl_lookup: |
| devm_pinctrl_put(rmi4_data->ts_pinctrl); |
| err_pinctrl_get: |
| rmi4_data->ts_pinctrl = NULL; |
| return retval; |
| } |
| |
| static int synaptics_rmi4_probe(struct platform_device *pdev) |
| { |
| int retval; |
| unsigned char attr_count; |
| struct synaptics_rmi4_data *rmi4_data; |
| const struct synaptics_dsx_hw_interface *hw_if; |
| const struct synaptics_dsx_board_data *bdata; |
| |
| hw_if = pdev->dev.platform_data; |
| if (!hw_if) { |
| dev_err(&pdev->dev, |
| "%s: No hardware interface found\n", |
| __func__); |
| return -EINVAL; |
| } |
| |
| bdata = hw_if->board_data; |
| if (!bdata) { |
| dev_err(&pdev->dev, |
| "%s: No board data found\n", |
| __func__); |
| return -EINVAL; |
| } |
| |
| rmi4_data = kzalloc(sizeof(*rmi4_data), GFP_KERNEL); |
| if (!rmi4_data) { |
| dev_err(&pdev->dev, |
| "%s: Failed to alloc mem for rmi4_data\n", |
| __func__); |
| return -ENOMEM; |
| } |
| |
| rmi4_data->pdev = pdev; |
| rmi4_data->current_page = MASK_8BIT; |
| rmi4_data->hw_if = hw_if; |
| rmi4_data->suspend = false; |
| rmi4_data->irq_enabled = false; |
| rmi4_data->fingers_on_2d = false; |
| rmi4_data->wakeup_gesture_en = bdata->wakeup_gesture_en; |
| |
| rmi4_data->reset_device = synaptics_rmi4_reset_device; |
| rmi4_data->irq_enable = synaptics_rmi4_irq_enable; |
| rmi4_data->sleep_enable = synaptics_rmi4_sleep_enable; |
| rmi4_data->report_touch = synaptics_rmi4_report_touch; |
| |
| mutex_init(&(rmi4_data->rmi4_reset_mutex)); |
| mutex_init(&(rmi4_data->rmi4_report_mutex)); |
| mutex_init(&(rmi4_data->rmi4_io_ctrl_mutex)); |
| mutex_init(&(rmi4_data->rmi4_exp_init_mutex)); |
| |
| platform_set_drvdata(pdev, rmi4_data); |
| |
| vir_button_map = bdata->vir_button_map; |
| |
| retval = synaptics_rmi4_get_reg(rmi4_data, true); |
| if (retval < 0) { |
| dev_err(&pdev->dev, |
| "%s: Failed to get regulators\n", |
| __func__); |
| goto err_get_reg; |
| } |
| |
| retval = synaptics_rmi4_configure_reg(rmi4_data, true); |
| if (retval < 0) { |
| dev_err(&pdev->dev, |
| "%s: Failed to configure regulators\n", |
| __func__); |
| goto err_configure_reg; |
| } |
| |
| retval = synaptics_rmi4_enable_reg(rmi4_data, true); |
| if (retval < 0) { |
| dev_err(&pdev->dev, |
| "%s: Failed to enable regulators\n", |
| __func__); |
| goto err_enable_reg; |
| } |
| |
| retval = synaptics_dsx_pinctrl_init(rmi4_data); |
| if (!retval && rmi4_data->ts_pinctrl) { |
| /* |
| * Pinctrl handle is optional. If pinctrl handle is found |
| * let pins to be configured in active state. If not |
| * found continue further without error. |
| */ |
| retval = pinctrl_select_state(rmi4_data->ts_pinctrl, |
| rmi4_data->pinctrl_state_active); |
| if (retval < 0) { |
| dev_err(&pdev->dev, |
| "%s: Failed to select %s pinstate %d\n", |
| __func__, PINCTRL_STATE_ACTIVE, retval); |
| } |
| } |
| retval = synaptics_rmi4_set_gpio(rmi4_data); |
| if (retval < 0) { |
| dev_err(&pdev->dev, |
| "%s: Failed to set up GPIO's\n", |
| __func__); |
| goto err_set_gpio; |
| } |
| |
| if (hw_if->ui_hw_init) { |
| retval = hw_if->ui_hw_init(rmi4_data); |
| if (retval < 0) { |
| dev_err(&pdev->dev, |
| "%s: Failed to initialize hardware interface\n", |
| __func__); |
| goto err_ui_hw_init; |
| } |
| } |
| |
| retval = synaptics_rmi4_set_input_dev(rmi4_data); |
| if (retval < 0) { |
| dev_err(&pdev->dev, |
| "%s: Failed to set up input device\n", |
| __func__); |
| goto err_set_input_dev; |
| } |
| |
| #ifdef CONFIG_FB |
| INIT_WORK(&rmi4_data->fb_notify_work, |
| synaptics_rmi4_fb_notify_resume_work); |
| rmi4_data->fb_notifier.notifier_call = synaptics_rmi4_fb_notifier_cb; |
| retval = fb_register_client(&rmi4_data->fb_notifier); |
| if (retval < 0) { |
| dev_err(&pdev->dev, |
| "%s: Failed to register fb notifier client\n", |
| __func__); |
| } |
| #endif |
| |
| #ifdef USE_EARLYSUSPEND |
| rmi4_data->early_suspend.level = EARLY_SUSPEND_LEVEL_BLANK_SCREEN + 1; |
| rmi4_data->early_suspend.suspend = synaptics_rmi4_early_suspend; |
| rmi4_data->early_suspend.resume = synaptics_rmi4_late_resume; |
| register_early_suspend(&rmi4_data->early_suspend); |
| #endif |
| |
| if (!exp_data.initialized) { |
| mutex_init(&exp_data.mutex); |
| INIT_LIST_HEAD(&exp_data.list); |
| exp_data.initialized = true; |
| } |
| |
| rmi4_data->irq = gpio_to_irq(bdata->irq_gpio); |
| |
| retval = synaptics_rmi4_irq_enable(rmi4_data, true, false); |
| if (retval < 0) { |
| dev_err(&pdev->dev, |
| "%s: Failed to enable attention interrupt\n", |
| __func__); |
| goto err_enable_irq; |
| } |
| |
| if (vir_button_map->nbuttons) { |
| rmi4_data->board_prop_dir = kobject_create_and_add( |
| "board_properties", NULL); |
| if (!rmi4_data->board_prop_dir) { |
| dev_err(&pdev->dev, |
| "%s: Failed to create board_properties directory\n", |
| __func__); |
| goto err_virtual_buttons; |
| } else { |
| retval = sysfs_create_file(rmi4_data->board_prop_dir, |
| &virtual_key_map_attr.attr); |
| if (retval < 0) { |
| dev_err(&pdev->dev, |
| "%s: Failed to create virtual key map file\n", |
| __func__); |
| goto err_virtual_buttons; |
| } |
| } |
| } |
| |
| for (attr_count = 0; attr_count < ARRAY_SIZE(attrs); attr_count++) { |
| retval = sysfs_create_file(&rmi4_data->input_dev->dev.kobj, |
| &attrs[attr_count].attr); |
| if (retval < 0) { |
| dev_err(&pdev->dev, |
| "%s: Failed to create sysfs attributes\n", |
| __func__); |
| goto err_sysfs; |
| } |
| } |
| |
| rmi4_data->rb_workqueue = |
| create_singlethread_workqueue("dsx_rebuild_workqueue"); |
| if (!rmi4_data->rb_workqueue) { |
| retval = -ENOMEM; |
| goto err_rb_workqueue; |
| } |
| INIT_DELAYED_WORK(&rmi4_data->rb_work, synaptics_rmi4_rebuild_work); |
| |
| exp_data.workqueue = create_singlethread_workqueue("dsx_exp_workqueue"); |
| if (!exp_data.workqueue) { |
| retval = -ENOMEM; |
| goto err_exp_data_workqueue; |
| } |
| INIT_DELAYED_WORK(&exp_data.work, synaptics_rmi4_exp_fn_work); |
| exp_data.rmi4_data = rmi4_data; |
| exp_data.queue_work = true; |
| queue_delayed_work(exp_data.workqueue, &exp_data.work, 0); |
| |
| #ifdef FB_READY_RESET |
| rmi4_data->reset_workqueue = |
| create_singlethread_workqueue("dsx_reset_workqueue"); |
| if (!rmi4_data->reset_workqueue) { |
| retval = -ENOMEM; |
| goto err_reset_workqueue; |
| } |
| INIT_WORK(&rmi4_data->reset_work, synaptics_rmi4_reset_work); |
| queue_work(rmi4_data->reset_workqueue, &rmi4_data->reset_work); |
| #endif |
| |
| /* Initialize secure touch */ |
| synaptics_secure_touch_init(rmi4_data); |
| synaptics_secure_touch_stop(rmi4_data, true); |
| |
| return retval; |
| |
| #ifdef FB_READY_RESET |
| err_reset_workqueue: |
| #endif |
| cancel_delayed_work_sync(&exp_data.work); |
| flush_workqueue(exp_data.workqueue); |
| destroy_workqueue(exp_data.workqueue); |
| |
| err_exp_data_workqueue: |
| cancel_delayed_work_sync(&rmi4_data->rb_work); |
| flush_workqueue(rmi4_data->rb_workqueue); |
| destroy_workqueue(rmi4_data->rb_workqueue); |
| |
| err_rb_workqueue: |
| err_sysfs: |
| for (attr_count--; attr_count >= 0; attr_count--) { |
| sysfs_remove_file(&rmi4_data->input_dev->dev.kobj, |
| &attrs[attr_count].attr); |
| } |
| |
| err_virtual_buttons: |
| if (rmi4_data->board_prop_dir) { |
| sysfs_remove_file(rmi4_data->board_prop_dir, |
| &virtual_key_map_attr.attr); |
| kobject_put(rmi4_data->board_prop_dir); |
| } |
| |
| synaptics_rmi4_irq_enable(rmi4_data, false, false); |
| |
| err_enable_irq: |
| #ifdef CONFIG_FB |
| fb_unregister_client(&rmi4_data->fb_notifier); |
| #endif |
| |
| #ifdef USE_EARLYSUSPEND |
| unregister_early_suspend(&rmi4_data->early_suspend); |
| #endif |
| |
| synaptics_rmi4_empty_fn_list(rmi4_data); |
| input_unregister_device(rmi4_data->input_dev); |
| rmi4_data->input_dev = NULL; |
| if (rmi4_data->stylus_enable) { |
| input_unregister_device(rmi4_data->stylus_dev); |
| rmi4_data->stylus_dev = NULL; |
| } |
| |
| err_set_input_dev: |
| synaptics_rmi4_gpio_setup(bdata->irq_gpio, false, 0, 0); |
| |
| if (bdata->reset_gpio >= 0) |
| synaptics_rmi4_gpio_setup(bdata->reset_gpio, false, 0, 0); |
| |
| if (bdata->power_gpio >= 0) |
| synaptics_rmi4_gpio_setup(bdata->power_gpio, false, 0, 0); |
| |
| err_ui_hw_init: |
| err_set_gpio: |
| synaptics_rmi4_enable_reg(rmi4_data, false); |
| |
| if (rmi4_data->ts_pinctrl) { |
| if (IS_ERR_OR_NULL(rmi4_data->pinctrl_state_release)) { |
| devm_pinctrl_put(rmi4_data->ts_pinctrl); |
| rmi4_data->ts_pinctrl = NULL; |
| } else { |
| retval = pinctrl_select_state( |
| rmi4_data->ts_pinctrl, |
| rmi4_data->pinctrl_state_release); |
| if (retval) |
| dev_err(&pdev->dev, |
| "%s: Failed to create sysfs attributes\n", |
| __func__); |
| } |
| } |
| |
| err_enable_reg: |
| synaptics_rmi4_get_reg(rmi4_data, false); |
| |
| err_configure_reg: |
| synaptics_rmi4_configure_reg(rmi4_data, false); |
| err_get_reg: |
| kfree(rmi4_data); |
| |
| return retval; |
| } |
| |
| static int synaptics_rmi4_remove(struct platform_device *pdev) |
| { |
| unsigned char attr_count; |
| int err; |
| struct synaptics_rmi4_data *rmi4_data = platform_get_drvdata(pdev); |
| const struct synaptics_dsx_board_data *bdata = |
| rmi4_data->hw_if->board_data; |
| |
| #ifdef FB_READY_RESET |
| cancel_work_sync(&rmi4_data->reset_work); |
| flush_workqueue(rmi4_data->reset_workqueue); |
| destroy_workqueue(rmi4_data->reset_workqueue); |
| #endif |
| |
| cancel_delayed_work_sync(&exp_data.work); |
| flush_workqueue(exp_data.workqueue); |
| destroy_workqueue(exp_data.workqueue); |
| |
| cancel_delayed_work_sync(&rmi4_data->rb_work); |
| flush_workqueue(rmi4_data->rb_workqueue); |
| destroy_workqueue(rmi4_data->rb_workqueue); |
| |
| for (attr_count = 0; attr_count < ARRAY_SIZE(attrs); attr_count++) { |
| sysfs_remove_file(&rmi4_data->input_dev->dev.kobj, |
| &attrs[attr_count].attr); |
| } |
| |
| if (rmi4_data->board_prop_dir) { |
| sysfs_remove_file(rmi4_data->board_prop_dir, |
| &virtual_key_map_attr.attr); |
| kobject_put(rmi4_data->board_prop_dir); |
| } |
| |
| synaptics_rmi4_irq_enable(rmi4_data, false, false); |
| |
| #ifdef CONFIG_FB |
| fb_unregister_client(&rmi4_data->fb_notifier); |
| #endif |
| |
| #ifdef USE_EARLYSUSPEND |
| unregister_early_suspend(&rmi4_data->early_suspend); |
| #endif |
| |
| synaptics_rmi4_empty_fn_list(rmi4_data); |
| input_unregister_device(rmi4_data->input_dev); |
| rmi4_data->input_dev = NULL; |
| if (rmi4_data->stylus_enable) { |
| input_unregister_device(rmi4_data->stylus_dev); |
| rmi4_data->stylus_dev = NULL; |
| } |
| |
| synaptics_rmi4_gpio_setup(bdata->irq_gpio, false, 0, 0); |
| |
| if (bdata->reset_gpio >= 0) |
| synaptics_rmi4_gpio_setup(bdata->reset_gpio, false, 0, 0); |
| |
| if (bdata->power_gpio >= 0) |
| synaptics_rmi4_gpio_setup(bdata->power_gpio, false, 0, 0); |
| |
| |
| if (rmi4_data->ts_pinctrl) { |
| if (IS_ERR_OR_NULL(rmi4_data->pinctrl_state_release)) { |
| devm_pinctrl_put(rmi4_data->ts_pinctrl); |
| rmi4_data->ts_pinctrl = NULL; |
| } else { |
| err = pinctrl_select_state( |
| rmi4_data->ts_pinctrl, |
| rmi4_data->pinctrl_state_release); |
| if (err) |
| dev_err(&pdev->dev, |
| "Failed to select release pinctrl state %d\n", |
| err); |
| } |
| } |
| |
| synaptics_rmi4_enable_reg(rmi4_data, false); |
| synaptics_rmi4_configure_reg(rmi4_data, false); |
| synaptics_rmi4_get_reg(rmi4_data, false); |
| |
| kfree(rmi4_data); |
| |
| return 0; |
| } |
| |
| static void synaptics_rmi4_f11_wg(struct synaptics_rmi4_data *rmi4_data, |
| bool enable) |
| { |
| int retval; |
| unsigned char reporting_control; |
| struct synaptics_rmi4_fn *fhandler; |
| struct synaptics_rmi4_device_info *rmi; |
| |
| rmi = &(rmi4_data->rmi4_mod_info); |
| |
| list_for_each_entry(fhandler, &rmi->support_fn_list, link) { |
| if (fhandler->fn_number == SYNAPTICS_RMI4_F11) |
| break; |
| } |
| |
| retval = synaptics_rmi4_reg_read(rmi4_data, |
| fhandler->full_addr.ctrl_base, |
| &reporting_control, |
| sizeof(reporting_control)); |
| if (retval < 0) { |
| dev_err(rmi4_data->pdev->dev.parent, |
| "%s: Failed to change reporting mode\n", |
| __func__); |
| return; |
| } |
| |
| reporting_control = (reporting_control & ~MASK_3BIT); |
| if (enable) |
| reporting_control |= F11_WAKEUP_GESTURE_MODE; |
| else |
| reporting_control |= F11_CONTINUOUS_MODE; |
| |
| retval = synaptics_rmi4_reg_write(rmi4_data, |
| fhandler->full_addr.ctrl_base, |
| &reporting_control, |
| sizeof(reporting_control)); |
| if (retval < 0) { |
| dev_err(rmi4_data->pdev->dev.parent, |
| "%s: Failed to change reporting mode\n", |
| __func__); |
| return; |
| } |
| |
| return; |
| } |
| |
| static void synaptics_rmi4_f12_wg(struct synaptics_rmi4_data *rmi4_data, |
| bool enable) |
| { |
| int retval; |
| unsigned char offset; |
| unsigned char reporting_control[3]; |
| struct synaptics_rmi4_f12_extra_data *extra_data; |
| struct synaptics_rmi4_fn *fhandler; |
| struct synaptics_rmi4_device_info *rmi; |
| |
| rmi = &(rmi4_data->rmi4_mod_info); |
| |
| list_for_each_entry(fhandler, &rmi->support_fn_list, link) { |
| if (fhandler->fn_number == SYNAPTICS_RMI4_F12) |
| break; |
| } |
| |
| extra_data = (struct synaptics_rmi4_f12_extra_data *)fhandler->extra; |
| offset = extra_data->ctrl20_offset; |
| |
| retval = synaptics_rmi4_reg_read(rmi4_data, |
| fhandler->full_addr.ctrl_base + offset, |
| reporting_control, |
| sizeof(reporting_control)); |
| if (retval < 0) { |
| dev_err(rmi4_data->pdev->dev.parent, |
| "%s: Failed to change reporting mode\n", |
| __func__); |
| return; |
| } |
| |
| if (enable) |
| reporting_control[2] = F12_WAKEUP_GESTURE_MODE; |
| else |
| reporting_control[2] = F12_CONTINUOUS_MODE; |
| |
| retval = synaptics_rmi4_reg_write(rmi4_data, |
| fhandler->full_addr.ctrl_base + offset, |
| reporting_control, |
| sizeof(reporting_control)); |
| if (retval < 0) { |
| dev_err(rmi4_data->pdev->dev.parent, |
| "%s: Failed to change reporting mode\n", |
| __func__); |
| return; |
| } |
| |
| return; |
| } |
| |
| static void synaptics_rmi4_wakeup_gesture(struct synaptics_rmi4_data *rmi4_data, |
| bool enable) |
| { |
| if (rmi4_data->f11_wakeup_gesture) |
| synaptics_rmi4_f11_wg(rmi4_data, enable); |
| else if (rmi4_data->f12_wakeup_gesture) |
| synaptics_rmi4_f12_wg(rmi4_data, enable); |
| |
| return; |
| } |
| |
| #ifdef CONFIG_FB |
| static void synaptics_rmi4_fb_notify_resume_work(struct work_struct *work) |
| { |
| struct synaptics_rmi4_data *rmi4_data = |
| container_of(work, struct synaptics_rmi4_data, fb_notify_work); |
| synaptics_rmi4_resume(&(rmi4_data->input_dev->dev)); |
| rmi4_data->fb_ready = true; |
| } |
| |
| static int synaptics_rmi4_fb_notifier_cb(struct notifier_block *self, |
| unsigned long event, void *data) |
| { |
| int *transition; |
| struct fb_event *evdata = data; |
| struct synaptics_rmi4_data *rmi4_data = |
| container_of(self, struct synaptics_rmi4_data, |
| fb_notifier); |
| |
| if (evdata && evdata->data && rmi4_data) { |
| if (rmi4_data->hw_if->board_data->resume_in_workqueue) { |
| if (event == FB_EARLY_EVENT_BLANK) { |
| synaptics_secure_touch_stop(rmi4_data, false); |
| } else if (event == FB_EVENT_BLANK) { |
| transition = evdata->data; |
| if (*transition == FB_BLANK_POWERDOWN || |
| *transition == FB_BLANK_VSYNC_SUSPEND) { |
| flush_work( |
| &(rmi4_data->fb_notify_work)); |
| synaptics_rmi4_suspend( |
| &rmi4_data->pdev->dev); |
| rmi4_data->fb_ready = false; |
| } else if (*transition == FB_BLANK_UNBLANK) { |
| schedule_work( |
| &(rmi4_data->fb_notify_work)); |
| } |
| } |
| } else { |
| if (event == FB_EARLY_EVENT_BLANK) { |
| synaptics_secure_touch_stop(rmi4_data, false); |
| } else if (event == FB_EVENT_BLANK) { |
| transition = evdata->data; |
| if (*transition == FB_BLANK_POWERDOWN) { |
| synaptics_rmi4_suspend( |
| &rmi4_data->pdev->dev); |
| rmi4_data->fb_ready = false; |
| } else if (*transition == FB_BLANK_UNBLANK) { |
| synaptics_rmi4_resume( |
| &rmi4_data->pdev->dev); |
| rmi4_data->fb_ready = true; |
| } |
| } |
| } |
| } |
| |
| return 0; |
| } |
| #endif |
| |
| #ifdef USE_EARLYSUSPEND |
| static void synaptics_rmi4_early_suspend(struct early_suspend *h) |
| { |
| struct synaptics_rmi4_exp_fhandler *exp_fhandler; |
| struct synaptics_rmi4_data *rmi4_data = |
| container_of(h, struct synaptics_rmi4_data, |
| early_suspend); |
| |
| if (rmi4_data->stay_awake) |
| return; |
| |
| /* |
| * During early suspend/late resume, the driver doesn't access xPU/SMMU |
| * protected HW resources. So, there is no compelling need to block, |
| * but notifying the userspace that a power event has occurred is |
| * enough. Hence 'blocking' variable can be set to false. |
| */ |
| synaptics_secure_touch_stop(rmi4_data, false); |
| |
| if (rmi4_data->enable_wakeup_gesture) { |
| synaptics_rmi4_wakeup_gesture(rmi4_data, true); |
| enable_irq_wake(rmi4_data->irq); |
| goto exit; |
| } |
| |
| synaptics_rmi4_irq_enable(rmi4_data, false, false); |
| synaptics_rmi4_sleep_enable(rmi4_data, true); |
| synaptics_rmi4_free_fingers(rmi4_data); |
| |
| exit: |
| mutex_lock(&exp_data.mutex); |
| if (!list_empty(&exp_data.list)) { |
| list_for_each_entry(exp_fhandler, &exp_data.list, link) |
| if (exp_fhandler->exp_fn->early_suspend != NULL) |
| exp_fhandler->exp_fn->early_suspend(rmi4_data); |
| } |
| mutex_unlock(&exp_data.mutex); |
| |
| rmi4_data->suspend = true; |
| |
| return; |
| } |
| |
| static void synaptics_rmi4_late_resume(struct early_suspend *h) |
| { |
| #ifdef FB_READY_RESET |
| int retval; |
| #endif |
| struct synaptics_rmi4_exp_fhandler *exp_fhandler; |
| struct synaptics_rmi4_data *rmi4_data = |
| container_of(h, struct synaptics_rmi4_data, |
| early_suspend); |
| |
| if (rmi4_data->stay_awake) |
| return; |
| |
| synaptics_secure_touch_stop(rmi4_data, false); |
| |
| if (rmi4_data->enable_wakeup_gesture) { |
| synaptics_rmi4_wakeup_gesture(rmi4_data, false); |
| disable_irq_wake(rmi4_data->irq); |
| goto exit; |
| } |
| |
| rmi4_data->current_page = MASK_8BIT; |
| |
| if (rmi4_data->suspend) { |
| synaptics_rmi4_sleep_enable(rmi4_data, false); |
| synaptics_rmi4_irq_enable(rmi4_data, true, false); |
| } |
| |
| exit: |
| #ifdef FB_READY_RESET |
| if (rmi4_data->suspend) { |
| retval = synaptics_rmi4_reset_device(rmi4_data, false); |
| if (retval < 0) { |
| dev_err(rmi4_data->pdev->dev.parent, |
| "%s: Failed to issue reset command\n", |
| __func__); |
| } |
| } |
| #endif |
| mutex_lock(&exp_data.mutex); |
| if (!list_empty(&exp_data.list)) { |
| list_for_each_entry(exp_fhandler, &exp_data.list, link) |
| if (exp_fhandler->exp_fn->late_resume != NULL) |
| exp_fhandler->exp_fn->late_resume(rmi4_data); |
| } |
| mutex_unlock(&exp_data.mutex); |
| |
| rmi4_data->suspend = false; |
| |
| return; |
| } |
| #endif |
| |
| static int synaptics_rmi4_suspend(struct device *dev) |
| { |
| struct synaptics_rmi4_exp_fhandler *exp_fhandler; |
| struct synaptics_rmi4_data *rmi4_data = dev_get_drvdata(dev); |
| int retval; |
| int lpm_uA; |
| |
| if (rmi4_data->stay_awake) |
| return 0; |
| |
| synaptics_secure_touch_stop(rmi4_data, true); |
| |
| if (rmi4_data->enable_wakeup_gesture) { |
| if (!rmi4_data->suspend) { |
| /* Set lpm current for bus regulator */ |
| lpm_uA = rmi4_data->hw_if->board_data->bus_lpm_cur_uA; |
| if (lpm_uA) { |
| retval = reg_set_optimum_mode_check( |
| rmi4_data->bus_reg, lpm_uA); |
| if (retval < 0) |
| dev_err(dev, |
| "Bus Regulator set_opt failed rc=%d\n", |
| retval); |
| } |
| |
| synaptics_rmi4_wakeup_gesture(rmi4_data, true); |
| enable_irq_wake(rmi4_data->irq); |
| } |
| goto exit; |
| } |
| |
| if (!rmi4_data->suspend) { |
| synaptics_rmi4_irq_enable(rmi4_data, false, false); |
| synaptics_rmi4_sleep_enable(rmi4_data, true); |
| synaptics_rmi4_free_fingers(rmi4_data); |
| } |
| |
| if (rmi4_data->ts_pinctrl) { |
| retval = pinctrl_select_state(rmi4_data->ts_pinctrl, |
| rmi4_data->pinctrl_state_suspend); |
| if (retval < 0) { |
| dev_err(dev, "Cannot get idle pinctrl state\n"); |
| goto err_pinctrl; |
| } |
| } |
| exit: |
| mutex_lock(&exp_data.mutex); |
| if (!list_empty(&exp_data.list)) { |
| list_for_each_entry(exp_fhandler, &exp_data.list, link) |
| if (exp_fhandler->exp_fn->suspend != NULL) |
| exp_fhandler->exp_fn->suspend(rmi4_data); |
| } |
| mutex_unlock(&exp_data.mutex); |
| |
| if (!rmi4_data->suspend && !rmi4_data->enable_wakeup_gesture && |
| !rmi4_data->hw_if->board_data->dont_disable_regs) |
| synaptics_rmi4_enable_reg(rmi4_data, false); |
| |
| rmi4_data->suspend = true; |
| |
| return 0; |
| |
| err_pinctrl: |
| synaptics_rmi4_sleep_enable(rmi4_data, false); |
| synaptics_rmi4_irq_enable(rmi4_data, true, false); |
| return retval; |
| |
| } |
| |
| static int synaptics_rmi4_resume(struct device *dev) |
| { |
| #ifdef FB_READY_RESET |
| int retval; |
| #endif |
| struct synaptics_rmi4_exp_fhandler *exp_fhandler; |
| struct synaptics_rmi4_data *rmi4_data = dev_get_drvdata(dev); |
| |
| if (rmi4_data->stay_awake) |
| return 0; |
| |
| synaptics_secure_touch_stop(rmi4_data, true); |
| |
| if (rmi4_data->enable_wakeup_gesture) { |
| if (rmi4_data->suspend) { |
| /* Set active current for the bus regulator */ |
| if (rmi4_data->hw_if->board_data->bus_lpm_cur_uA) { |
| retval = reg_set_optimum_mode_check( |
| rmi4_data->bus_reg, |
| I2C_ACTIVE_LOAD_UA); |
| if (retval < 0) |
| dev_err(dev, |
| "Pwr regulator set_opt failed rc=%d\n", |
| retval); |
| } |
| |
| |
| synaptics_rmi4_wakeup_gesture(rmi4_data, false); |
| disable_irq_wake(rmi4_data->irq); |
| } |
| goto exit; |
| } |
| |
| rmi4_data->current_page = MASK_8BIT; |
| |
| if (rmi4_data->suspend && |
| !rmi4_data->hw_if->board_data->dont_disable_regs) |
| synaptics_rmi4_enable_reg(rmi4_data, true); |
| |
| synaptics_rmi4_sleep_enable(rmi4_data, false); |
| synaptics_rmi4_irq_enable(rmi4_data, true, false); |
| if (rmi4_data->ts_pinctrl) { |
| retval = pinctrl_select_state(rmi4_data->ts_pinctrl, |
| rmi4_data->pinctrl_state_active); |
| if (retval < 0) |
| dev_err(dev, "Cannot get default pinctrl state\n"); |
| } |
| |
| exit: |
| #ifdef FB_READY_RESET |
| retval = synaptics_rmi4_reset_device(rmi4_data, false); |
| if (retval < 0) { |
| dev_err(rmi4_data->pdev->dev.parent, |
| "%s: Failed to issue reset command\n", |
| __func__); |
| } |
| #endif |
| mutex_lock(&exp_data.mutex); |
| if (!list_empty(&exp_data.list)) { |
| list_for_each_entry(exp_fhandler, &exp_data.list, link) |
| if (exp_fhandler->exp_fn->resume != NULL) |
| exp_fhandler->exp_fn->resume(rmi4_data); |
| } |
| mutex_unlock(&exp_data.mutex); |
| |
| rmi4_data->suspend = false; |
| |
| return 0; |
| } |
| |
| #ifdef CONFIG_PM |
| static const struct dev_pm_ops synaptics_rmi4_dev_pm_ops = { |
| #ifndef CONFIG_FB |
| .suspend = synaptics_rmi4_suspend, |
| .resume = synaptics_rmi4_resume, |
| #endif |
| }; |
| #endif |
| |
| static struct platform_driver synaptics_rmi4_driver = { |
| .driver = { |
| .name = PLATFORM_DRIVER_NAME, |
| .owner = THIS_MODULE, |
| #ifdef CONFIG_PM |
| .pm = &synaptics_rmi4_dev_pm_ops, |
| #endif |
| }, |
| .probe = synaptics_rmi4_probe, |
| .remove = synaptics_rmi4_remove, |
| }; |
| |
| static int __init synaptics_rmi4_init(void) |
| { |
| int retval; |
| |
| retval = synaptics_rmi4_bus_init_v26(); |
| if (retval) |
| return retval; |
| |
| return platform_driver_register(&synaptics_rmi4_driver); |
| } |
| |
| static void __exit synaptics_rmi4_exit(void) |
| { |
| platform_driver_unregister(&synaptics_rmi4_driver); |
| |
| synaptics_rmi4_bus_exit_v26(); |
| |
| return; |
| } |
| |
| module_init(synaptics_rmi4_init); |
| module_exit(synaptics_rmi4_exit); |
| |
| MODULE_AUTHOR("Synaptics, Inc."); |
| MODULE_DESCRIPTION("Synaptics DSX Touch Driver"); |
| MODULE_LICENSE("GPL v2"); |