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@@ -14,11 +14,14 @@
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#include <linux/hid.h>
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#include <linux/input.h>
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#include <linux/input/mt.h>
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+#include <linux/irq.h>
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+#include <linux/irqdomain.h>
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#include <linux/module.h>
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#include <linux/pm.h>
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#include <linux/slab.h>
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#include <linux/wait.h>
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#include <linux/sched.h>
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+#include <linux/rmi.h>
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#include "hid-ids.h"
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#define RMI_MOUSE_REPORT_ID 0x01 /* Mouse emulation Report */
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@@ -33,9 +36,6 @@
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#define RMI_READ_DATA_PENDING 1
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#define RMI_STARTED 2
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-#define RMI_SLEEP_NORMAL 0x0
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-#define RMI_SLEEP_DEEP_SLEEP 0x1
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-
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/* device flags */
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#define RMI_DEVICE BIT(0)
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#define RMI_DEVICE_HAS_PHYS_BUTTONS BIT(1)
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@@ -54,25 +54,12 @@ enum rmi_mode_type {
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RMI_MODE_NO_PACKED_ATTN_REPORTS = 2,
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};
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-struct rmi_function {
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- unsigned page; /* page of the function */
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- u16 query_base_addr; /* base address for queries */
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- u16 command_base_addr; /* base address for commands */
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- u16 control_base_addr; /* base address for controls */
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- u16 data_base_addr; /* base address for datas */
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- unsigned int interrupt_base; /* cross-function interrupt number
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- * (uniq in the device)*/
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- unsigned int interrupt_count; /* number of interrupts */
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- unsigned int report_size; /* size of a report */
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- unsigned long irq_mask; /* mask of the interrupts
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- * (to be applied against ATTN IRQ) */
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-};
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-
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/**
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* struct rmi_data - stores information for hid communication
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*
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* @page_mutex: Locks current page to avoid changing pages in unexpected ways.
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* @page: Keeps track of the current virtual page
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+ * @xport: transport device to be registered with the RMI4 core.
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*
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* @wait: Used for waiting for read data
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*
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@@ -84,26 +71,18 @@ struct rmi_function {
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*
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* @flags: flags for the current device (started, reading, etc...)
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*
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- * @f11: placeholder of internal RMI function F11 description
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- * @f30: placeholder of internal RMI function F30 description
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- *
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- * @max_fingers: maximum finger count reported by the device
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- * @max_x: maximum x value reported by the device
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- * @max_y: maximum y value reported by the device
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- *
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- * @gpio_led_count: count of GPIOs + LEDs reported by F30
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- * @button_count: actual physical buttons count
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- * @button_mask: button mask used to decode GPIO ATTN reports
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- * @button_state_mask: pull state of the buttons
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- *
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- * @input: pointer to the kernel input device
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- *
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* @reset_work: worker which will be called in case of a mouse report
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* @hdev: pointer to the struct hid_device
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+ *
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+ * @device_flags: flags which describe the device
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+ *
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+ * @domain: the IRQ domain allocated for this RMI4 device
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+ * @rmi_irq: the irq that will be used to generate events to rmi-core
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*/
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struct rmi_data {
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struct mutex page_mutex;
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int page;
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+ struct rmi_transport_dev xport;
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wait_queue_head_t wait;
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@@ -115,34 +94,13 @@ struct rmi_data {
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unsigned long flags;
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- struct rmi_function f01;
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- struct rmi_function f11;
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- struct rmi_function f30;
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-
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- unsigned int max_fingers;
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- unsigned int max_x;
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- unsigned int max_y;
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- unsigned int x_size_mm;
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- unsigned int y_size_mm;
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- bool read_f11_ctrl_regs;
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- u8 f11_ctrl_regs[RMI_F11_CTRL_REG_COUNT];
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-
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- unsigned int gpio_led_count;
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- unsigned int button_count;
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- unsigned long button_mask;
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- unsigned long button_state_mask;
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-
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- struct input_dev *input;
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-
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struct work_struct reset_work;
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struct hid_device *hdev;
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unsigned long device_flags;
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- unsigned long firmware_id;
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- u8 f01_ctrl0;
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- u8 interrupt_enable_mask;
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- bool restore_interrupt_mask;
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+ struct irq_domain *domain;
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+ int rmi_irq;
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};
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#define RMI_PAGE(addr) (((addr) >> 8) & 0xff)
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@@ -220,10 +178,11 @@ static int rmi_write_report(struct hid_device *hdev, u8 *report, int len)
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return ret;
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}
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-static int rmi_read_block(struct hid_device *hdev, u16 addr, void *buf,
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- const int len)
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+static int rmi_hid_read_block(struct rmi_transport_dev *xport, u16 addr,
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+ void *buf, size_t len)
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{
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- struct rmi_data *data = hid_get_drvdata(hdev);
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+ struct rmi_data *data = container_of(xport, struct rmi_data, xport);
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+ struct hid_device *hdev = data->hdev;
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int ret;
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int bytes_read;
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int bytes_needed;
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@@ -292,15 +251,11 @@ exit:
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return ret;
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}
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-static inline int rmi_read(struct hid_device *hdev, u16 addr, void *buf)
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-{
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- return rmi_read_block(hdev, addr, buf, 1);
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-}
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-
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-static int rmi_write_block(struct hid_device *hdev, u16 addr, void *buf,
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- const int len)
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+static int rmi_hid_write_block(struct rmi_transport_dev *xport, u16 addr,
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+ const void *buf, size_t len)
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{
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- struct rmi_data *data = hid_get_drvdata(hdev);
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+ struct rmi_data *data = container_of(xport, struct rmi_data, xport);
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+ struct hid_device *hdev = data->hdev;
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int ret;
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mutex_lock(&data->page_mutex);
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@@ -332,62 +287,20 @@ exit:
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return ret;
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}
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-static inline int rmi_write(struct hid_device *hdev, u16 addr, void *buf)
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-{
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- return rmi_write_block(hdev, addr, buf, 1);
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-}
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-
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-static void rmi_f11_process_touch(struct rmi_data *hdata, int slot,
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- u8 finger_state, u8 *touch_data)
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-{
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- int x, y, wx, wy;
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- int wide, major, minor;
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- int z;
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-
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- input_mt_slot(hdata->input, slot);
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- input_mt_report_slot_state(hdata->input, MT_TOOL_FINGER,
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- finger_state == 0x01);
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- if (finger_state == 0x01) {
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- x = (touch_data[0] << 4) | (touch_data[2] & 0x0F);
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- y = (touch_data[1] << 4) | (touch_data[2] >> 4);
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- wx = touch_data[3] & 0x0F;
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- wy = touch_data[3] >> 4;
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- wide = (wx > wy);
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- major = max(wx, wy);
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- minor = min(wx, wy);
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- z = touch_data[4];
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-
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- /* y is inverted */
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- y = hdata->max_y - y;
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-
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- input_event(hdata->input, EV_ABS, ABS_MT_POSITION_X, x);
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- input_event(hdata->input, EV_ABS, ABS_MT_POSITION_Y, y);
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- input_event(hdata->input, EV_ABS, ABS_MT_ORIENTATION, wide);
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- input_event(hdata->input, EV_ABS, ABS_MT_PRESSURE, z);
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- input_event(hdata->input, EV_ABS, ABS_MT_TOUCH_MAJOR, major);
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- input_event(hdata->input, EV_ABS, ABS_MT_TOUCH_MINOR, minor);
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- }
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-}
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-
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static int rmi_reset_attn_mode(struct hid_device *hdev)
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{
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struct rmi_data *data = hid_get_drvdata(hdev);
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+ struct rmi_device *rmi_dev = data->xport.rmi_dev;
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int ret;
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ret = rmi_set_mode(hdev, RMI_MODE_ATTN_REPORTS);
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if (ret)
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return ret;
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- if (data->restore_interrupt_mask) {
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- ret = rmi_write(hdev, data->f01.control_base_addr + 1,
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- &data->interrupt_enable_mask);
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- if (ret) {
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- hid_err(hdev, "can not write F01 control register\n");
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- return ret;
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- }
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- }
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+ if (test_bit(RMI_STARTED, &data->flags))
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+ ret = rmi_dev->driver->reset_handler(rmi_dev);
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- return 0;
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+ return ret;
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}
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static void rmi_reset_work(struct work_struct *work)
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@@ -399,102 +312,22 @@ static void rmi_reset_work(struct work_struct *work)
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rmi_reset_attn_mode(hdata->hdev);
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}
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-static inline int rmi_schedule_reset(struct hid_device *hdev)
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-{
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- struct rmi_data *hdata = hid_get_drvdata(hdev);
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- return schedule_work(&hdata->reset_work);
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-}
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-
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-static int rmi_f11_input_event(struct hid_device *hdev, u8 irq, u8 *data,
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- int size)
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-{
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- struct rmi_data *hdata = hid_get_drvdata(hdev);
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- int offset;
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- int i;
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-
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- if (!(irq & hdata->f11.irq_mask) || size <= 0)
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- return 0;
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-
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- offset = (hdata->max_fingers >> 2) + 1;
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- for (i = 0; i < hdata->max_fingers; i++) {
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- int fs_byte_position = i >> 2;
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- int fs_bit_position = (i & 0x3) << 1;
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- int finger_state = (data[fs_byte_position] >> fs_bit_position) &
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- 0x03;
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- int position = offset + 5 * i;
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-
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- if (position + 5 > size) {
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- /* partial report, go on with what we received */
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- printk_once(KERN_WARNING
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- "%s %s: Detected incomplete finger report. Finger reports may occasionally get dropped on this platform.\n",
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- dev_driver_string(&hdev->dev),
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- dev_name(&hdev->dev));
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- hid_dbg(hdev, "Incomplete finger report\n");
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- break;
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- }
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-
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- rmi_f11_process_touch(hdata, i, finger_state, &data[position]);
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- }
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- input_mt_sync_frame(hdata->input);
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- input_sync(hdata->input);
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- return hdata->f11.report_size;
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-}
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-
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-static int rmi_f30_input_event(struct hid_device *hdev, u8 irq, u8 *data,
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- int size)
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+static int rmi_input_event(struct hid_device *hdev, u8 *data, int size)
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{
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struct rmi_data *hdata = hid_get_drvdata(hdev);
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- int i;
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- int button = 0;
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- bool value;
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+ struct rmi_device *rmi_dev = hdata->xport.rmi_dev;
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+ unsigned long flags;
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- if (!(irq & hdata->f30.irq_mask))
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+ if (!(test_bit(RMI_STARTED, &hdata->flags)))
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return 0;
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- if (size < (int)hdata->f30.report_size) {
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- hid_warn(hdev, "Click Button pressed, but the click data is missing\n");
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- return 0;
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- }
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+ local_irq_save(flags);
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- for (i = 0; i < hdata->gpio_led_count; i++) {
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- if (test_bit(i, &hdata->button_mask)) {
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- value = (data[i / 8] >> (i & 0x07)) & BIT(0);
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- if (test_bit(i, &hdata->button_state_mask))
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- value = !value;
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- input_event(hdata->input, EV_KEY, BTN_LEFT + button++,
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- value);
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- }
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- }
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- return hdata->f30.report_size;
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-}
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-
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-static int rmi_input_event(struct hid_device *hdev, u8 *data, int size)
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-{
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- struct rmi_data *hdata = hid_get_drvdata(hdev);
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- unsigned long irq_mask = 0;
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- unsigned index = 2;
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+ rmi_set_attn_data(rmi_dev, data[1], &data[2], size - 2);
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- if (!(test_bit(RMI_STARTED, &hdata->flags)))
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- return 0;
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+ generic_handle_irq(hdata->rmi_irq);
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- irq_mask |= hdata->f11.irq_mask;
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- irq_mask |= hdata->f30.irq_mask;
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-
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- if (data[1] & ~irq_mask)
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- hid_dbg(hdev, "unknown intr source:%02lx %s:%d\n",
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- data[1] & ~irq_mask, __FILE__, __LINE__);
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-
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- if (hdata->f11.interrupt_base < hdata->f30.interrupt_base) {
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- index += rmi_f11_input_event(hdev, data[1], &data[index],
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- size - index);
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- index += rmi_f30_input_event(hdev, data[1], &data[index],
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- size - index);
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- } else {
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- index += rmi_f30_input_event(hdev, data[1], &data[index],
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- size - index);
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- index += rmi_f11_input_event(hdev, data[1], &data[index],
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- size - index);
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- }
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+ local_irq_restore(flags);
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return 1;
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}
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@@ -568,7 +401,7 @@ static int rmi_event(struct hid_device *hdev, struct hid_field *field,
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return 1;
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}
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- rmi_schedule_reset(hdev);
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+ schedule_work(&data->reset_work);
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return 1;
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}
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@@ -576,637 +409,71 @@ static int rmi_event(struct hid_device *hdev, struct hid_field *field,
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}
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#ifdef CONFIG_PM
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-static int rmi_set_sleep_mode(struct hid_device *hdev, int sleep_mode)
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-{
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- struct rmi_data *data = hid_get_drvdata(hdev);
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- int ret;
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- u8 f01_ctrl0;
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-
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- f01_ctrl0 = (data->f01_ctrl0 & ~0x3) | sleep_mode;
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-
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- ret = rmi_write(hdev, data->f01.control_base_addr,
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- &f01_ctrl0);
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- if (ret) {
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- hid_err(hdev, "can not write sleep mode\n");
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- return ret;
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- }
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-
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- return 0;
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-}
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-
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static int rmi_suspend(struct hid_device *hdev, pm_message_t message)
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{
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struct rmi_data *data = hid_get_drvdata(hdev);
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- int ret;
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- u8 buf[RMI_F11_CTRL_REG_COUNT];
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-
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- if (!(data->device_flags & RMI_DEVICE))
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- return 0;
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-
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- ret = rmi_read_block(hdev, data->f11.control_base_addr, buf,
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- RMI_F11_CTRL_REG_COUNT);
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- if (ret)
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- hid_warn(hdev, "can not read F11 control registers\n");
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- else
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- memcpy(data->f11_ctrl_regs, buf, RMI_F11_CTRL_REG_COUNT);
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-
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-
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- if (!device_may_wakeup(hdev->dev.parent))
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- return rmi_set_sleep_mode(hdev, RMI_SLEEP_DEEP_SLEEP);
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-
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- return 0;
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-}
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-
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-static int rmi_post_reset(struct hid_device *hdev)
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-{
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- struct rmi_data *data = hid_get_drvdata(hdev);
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+ struct rmi_device *rmi_dev = data->xport.rmi_dev;
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int ret;
|
|
|
|
|
|
if (!(data->device_flags & RMI_DEVICE))
|
|
|
return 0;
|
|
|
|
|
|
- ret = rmi_reset_attn_mode(hdev);
|
|
|
+ ret = rmi_driver_suspend(rmi_dev, false);
|
|
|
if (ret) {
|
|
|
- hid_err(hdev, "can not set rmi mode\n");
|
|
|
+ hid_warn(hdev, "Failed to suspend device: %d\n", ret);
|
|
|
return ret;
|
|
|
}
|
|
|
|
|
|
- if (data->read_f11_ctrl_regs) {
|
|
|
- ret = rmi_write_block(hdev, data->f11.control_base_addr,
|
|
|
- data->f11_ctrl_regs, RMI_F11_CTRL_REG_COUNT);
|
|
|
- if (ret)
|
|
|
- hid_warn(hdev,
|
|
|
- "can not write F11 control registers after reset\n");
|
|
|
- }
|
|
|
-
|
|
|
- if (!device_may_wakeup(hdev->dev.parent)) {
|
|
|
- ret = rmi_set_sleep_mode(hdev, RMI_SLEEP_NORMAL);
|
|
|
- if (ret) {
|
|
|
- hid_err(hdev, "can not write sleep mode\n");
|
|
|
- return ret;
|
|
|
- }
|
|
|
- }
|
|
|
-
|
|
|
- return ret;
|
|
|
+ return 0;
|
|
|
}
|
|
|
|
|
|
static int rmi_post_resume(struct hid_device *hdev)
|
|
|
{
|
|
|
struct rmi_data *data = hid_get_drvdata(hdev);
|
|
|
+ struct rmi_device *rmi_dev = data->xport.rmi_dev;
|
|
|
+ int ret;
|
|
|
|
|
|
if (!(data->device_flags & RMI_DEVICE))
|
|
|
return 0;
|
|
|
|
|
|
- return rmi_reset_attn_mode(hdev);
|
|
|
-}
|
|
|
-#endif /* CONFIG_PM */
|
|
|
-
|
|
|
-#define RMI4_MAX_PAGE 0xff
|
|
|
-#define RMI4_PAGE_SIZE 0x0100
|
|
|
-
|
|
|
-#define PDT_START_SCAN_LOCATION 0x00e9
|
|
|
-#define PDT_END_SCAN_LOCATION 0x0005
|
|
|
-#define RMI4_END_OF_PDT(id) ((id) == 0x00 || (id) == 0xff)
|
|
|
-
|
|
|
-struct pdt_entry {
|
|
|
- u8 query_base_addr:8;
|
|
|
- u8 command_base_addr:8;
|
|
|
- u8 control_base_addr:8;
|
|
|
- u8 data_base_addr:8;
|
|
|
- u8 interrupt_source_count:3;
|
|
|
- u8 bits3and4:2;
|
|
|
- u8 function_version:2;
|
|
|
- u8 bit7:1;
|
|
|
- u8 function_number:8;
|
|
|
-} __attribute__((__packed__));
|
|
|
-
|
|
|
-static inline unsigned long rmi_gen_mask(unsigned irq_base, unsigned irq_count)
|
|
|
-{
|
|
|
- return GENMASK(irq_count + irq_base - 1, irq_base);
|
|
|
-}
|
|
|
-
|
|
|
-static void rmi_register_function(struct rmi_data *data,
|
|
|
- struct pdt_entry *pdt_entry, int page, unsigned interrupt_count)
|
|
|
-{
|
|
|
- struct rmi_function *f = NULL;
|
|
|
- u16 page_base = page << 8;
|
|
|
-
|
|
|
- switch (pdt_entry->function_number) {
|
|
|
- case 0x01:
|
|
|
- f = &data->f01;
|
|
|
- break;
|
|
|
- case 0x11:
|
|
|
- f = &data->f11;
|
|
|
- break;
|
|
|
- case 0x30:
|
|
|
- f = &data->f30;
|
|
|
- break;
|
|
|
- }
|
|
|
-
|
|
|
- if (f) {
|
|
|
- f->page = page;
|
|
|
- f->query_base_addr = page_base | pdt_entry->query_base_addr;
|
|
|
- f->command_base_addr = page_base | pdt_entry->command_base_addr;
|
|
|
- f->control_base_addr = page_base | pdt_entry->control_base_addr;
|
|
|
- f->data_base_addr = page_base | pdt_entry->data_base_addr;
|
|
|
- f->interrupt_base = interrupt_count;
|
|
|
- f->interrupt_count = pdt_entry->interrupt_source_count;
|
|
|
- f->irq_mask = rmi_gen_mask(f->interrupt_base,
|
|
|
- f->interrupt_count);
|
|
|
- data->interrupt_enable_mask |= f->irq_mask;
|
|
|
- }
|
|
|
-}
|
|
|
-
|
|
|
-static int rmi_scan_pdt(struct hid_device *hdev)
|
|
|
-{
|
|
|
- struct rmi_data *data = hid_get_drvdata(hdev);
|
|
|
- struct pdt_entry entry;
|
|
|
- int page;
|
|
|
- bool page_has_function;
|
|
|
- int i;
|
|
|
- int retval;
|
|
|
- int interrupt = 0;
|
|
|
- u16 page_start, pdt_start , pdt_end;
|
|
|
-
|
|
|
- hid_info(hdev, "Scanning PDT...\n");
|
|
|
-
|
|
|
- for (page = 0; (page <= RMI4_MAX_PAGE); page++) {
|
|
|
- page_start = RMI4_PAGE_SIZE * page;
|
|
|
- pdt_start = page_start + PDT_START_SCAN_LOCATION;
|
|
|
- pdt_end = page_start + PDT_END_SCAN_LOCATION;
|
|
|
-
|
|
|
- page_has_function = false;
|
|
|
- for (i = pdt_start; i >= pdt_end; i -= sizeof(entry)) {
|
|
|
- retval = rmi_read_block(hdev, i, &entry, sizeof(entry));
|
|
|
- if (retval) {
|
|
|
- hid_err(hdev,
|
|
|
- "Read of PDT entry at %#06x failed.\n",
|
|
|
- i);
|
|
|
- goto error_exit;
|
|
|
- }
|
|
|
-
|
|
|
- if (RMI4_END_OF_PDT(entry.function_number))
|
|
|
- break;
|
|
|
-
|
|
|
- page_has_function = true;
|
|
|
-
|
|
|
- hid_info(hdev, "Found F%02X on page %#04x\n",
|
|
|
- entry.function_number, page);
|
|
|
-
|
|
|
- rmi_register_function(data, &entry, page, interrupt);
|
|
|
- interrupt += entry.interrupt_source_count;
|
|
|
- }
|
|
|
-
|
|
|
- if (!page_has_function)
|
|
|
- break;
|
|
|
- }
|
|
|
-
|
|
|
- hid_info(hdev, "%s: Done with PDT scan.\n", __func__);
|
|
|
- retval = 0;
|
|
|
-
|
|
|
-error_exit:
|
|
|
- return retval;
|
|
|
-}
|
|
|
-
|
|
|
-#define RMI_DEVICE_F01_BASIC_QUERY_LEN 11
|
|
|
-
|
|
|
-static int rmi_populate_f01(struct hid_device *hdev)
|
|
|
-{
|
|
|
- struct rmi_data *data = hid_get_drvdata(hdev);
|
|
|
- u8 basic_queries[RMI_DEVICE_F01_BASIC_QUERY_LEN];
|
|
|
- u8 info[3];
|
|
|
- int ret;
|
|
|
- bool has_query42;
|
|
|
- bool has_lts;
|
|
|
- bool has_sensor_id;
|
|
|
- bool has_ds4_queries = false;
|
|
|
- bool has_build_id_query = false;
|
|
|
- bool has_package_id_query = false;
|
|
|
- u16 query_offset = data->f01.query_base_addr;
|
|
|
- u16 prod_info_addr;
|
|
|
- u8 ds4_query_len;
|
|
|
-
|
|
|
- ret = rmi_read_block(hdev, query_offset, basic_queries,
|
|
|
- RMI_DEVICE_F01_BASIC_QUERY_LEN);
|
|
|
- if (ret) {
|
|
|
- hid_err(hdev, "Can not read basic queries from Function 0x1.\n");
|
|
|
- return ret;
|
|
|
- }
|
|
|
-
|
|
|
- has_lts = !!(basic_queries[0] & BIT(2));
|
|
|
- has_sensor_id = !!(basic_queries[1] & BIT(3));
|
|
|
- has_query42 = !!(basic_queries[1] & BIT(7));
|
|
|
-
|
|
|
- query_offset += 11;
|
|
|
- prod_info_addr = query_offset + 6;
|
|
|
- query_offset += 10;
|
|
|
-
|
|
|
- if (has_lts)
|
|
|
- query_offset += 20;
|
|
|
-
|
|
|
- if (has_sensor_id)
|
|
|
- query_offset++;
|
|
|
-
|
|
|
- if (has_query42) {
|
|
|
- ret = rmi_read(hdev, query_offset, info);
|
|
|
- if (ret) {
|
|
|
- hid_err(hdev, "Can not read query42.\n");
|
|
|
- return ret;
|
|
|
- }
|
|
|
- has_ds4_queries = !!(info[0] & BIT(0));
|
|
|
- query_offset++;
|
|
|
- }
|
|
|
-
|
|
|
- if (has_ds4_queries) {
|
|
|
- ret = rmi_read(hdev, query_offset, &ds4_query_len);
|
|
|
- if (ret) {
|
|
|
- hid_err(hdev, "Can not read DS4 Query length.\n");
|
|
|
- return ret;
|
|
|
- }
|
|
|
- query_offset++;
|
|
|
-
|
|
|
- if (ds4_query_len > 0) {
|
|
|
- ret = rmi_read(hdev, query_offset, info);
|
|
|
- if (ret) {
|
|
|
- hid_err(hdev, "Can not read DS4 query.\n");
|
|
|
- return ret;
|
|
|
- }
|
|
|
-
|
|
|
- has_package_id_query = !!(info[0] & BIT(0));
|
|
|
- has_build_id_query = !!(info[0] & BIT(1));
|
|
|
- }
|
|
|
- }
|
|
|
-
|
|
|
- if (has_package_id_query)
|
|
|
- prod_info_addr++;
|
|
|
-
|
|
|
- if (has_build_id_query) {
|
|
|
- ret = rmi_read_block(hdev, prod_info_addr, info, 3);
|
|
|
- if (ret) {
|
|
|
- hid_err(hdev, "Can not read product info.\n");
|
|
|
- return ret;
|
|
|
- }
|
|
|
-
|
|
|
- data->firmware_id = info[1] << 8 | info[0];
|
|
|
- data->firmware_id += info[2] * 65536;
|
|
|
- }
|
|
|
-
|
|
|
- ret = rmi_read_block(hdev, data->f01.control_base_addr, info,
|
|
|
- 2);
|
|
|
-
|
|
|
- if (ret) {
|
|
|
- hid_err(hdev, "can not read f01 ctrl registers\n");
|
|
|
- return ret;
|
|
|
- }
|
|
|
-
|
|
|
- data->f01_ctrl0 = info[0];
|
|
|
-
|
|
|
- if (!info[1]) {
|
|
|
- /*
|
|
|
- * Do to a firmware bug in some touchpads the F01 interrupt
|
|
|
- * enable control register will be cleared on reset.
|
|
|
- * This will stop the touchpad from reporting data, so
|
|
|
- * if F01 CTRL1 is 0 then we need to explicitly enable
|
|
|
- * interrupts for the functions we want data for.
|
|
|
- */
|
|
|
- data->restore_interrupt_mask = true;
|
|
|
-
|
|
|
- ret = rmi_write(hdev, data->f01.control_base_addr + 1,
|
|
|
- &data->interrupt_enable_mask);
|
|
|
- if (ret) {
|
|
|
- hid_err(hdev, "can not write to control reg 1: %d.\n",
|
|
|
- ret);
|
|
|
- return ret;
|
|
|
- }
|
|
|
- }
|
|
|
-
|
|
|
- return 0;
|
|
|
-}
|
|
|
-
|
|
|
-static int rmi_populate_f11(struct hid_device *hdev)
|
|
|
-{
|
|
|
- struct rmi_data *data = hid_get_drvdata(hdev);
|
|
|
- u8 buf[20];
|
|
|
- int ret;
|
|
|
- bool has_query9;
|
|
|
- bool has_query10 = false;
|
|
|
- bool has_query11;
|
|
|
- bool has_query12;
|
|
|
- bool has_query27;
|
|
|
- bool has_query28;
|
|
|
- bool has_query36 = false;
|
|
|
- bool has_physical_props;
|
|
|
- bool has_gestures;
|
|
|
- bool has_rel;
|
|
|
- bool has_data40 = false;
|
|
|
- bool has_dribble = false;
|
|
|
- bool has_palm_detect = false;
|
|
|
- unsigned x_size, y_size;
|
|
|
- u16 query_offset;
|
|
|
-
|
|
|
- if (!data->f11.query_base_addr) {
|
|
|
- hid_err(hdev, "No 2D sensor found, giving up.\n");
|
|
|
- return -ENODEV;
|
|
|
- }
|
|
|
-
|
|
|
- /* query 0 contains some useful information */
|
|
|
- ret = rmi_read(hdev, data->f11.query_base_addr, buf);
|
|
|
- if (ret) {
|
|
|
- hid_err(hdev, "can not get query 0: %d.\n", ret);
|
|
|
- return ret;
|
|
|
- }
|
|
|
- has_query9 = !!(buf[0] & BIT(3));
|
|
|
- has_query11 = !!(buf[0] & BIT(4));
|
|
|
- has_query12 = !!(buf[0] & BIT(5));
|
|
|
- has_query27 = !!(buf[0] & BIT(6));
|
|
|
- has_query28 = !!(buf[0] & BIT(7));
|
|
|
-
|
|
|
- /* query 1 to get the max number of fingers */
|
|
|
- ret = rmi_read(hdev, data->f11.query_base_addr + 1, buf);
|
|
|
- if (ret) {
|
|
|
- hid_err(hdev, "can not get NumberOfFingers: %d.\n", ret);
|
|
|
- return ret;
|
|
|
- }
|
|
|
- data->max_fingers = (buf[0] & 0x07) + 1;
|
|
|
- if (data->max_fingers > 5)
|
|
|
- data->max_fingers = 10;
|
|
|
-
|
|
|
- data->f11.report_size = data->max_fingers * 5 +
|
|
|
- DIV_ROUND_UP(data->max_fingers, 4);
|
|
|
-
|
|
|
- if (!(buf[0] & BIT(4))) {
|
|
|
- hid_err(hdev, "No absolute events, giving up.\n");
|
|
|
- return -ENODEV;
|
|
|
- }
|
|
|
-
|
|
|
- has_rel = !!(buf[0] & BIT(3));
|
|
|
- has_gestures = !!(buf[0] & BIT(5));
|
|
|
-
|
|
|
- ret = rmi_read(hdev, data->f11.query_base_addr + 5, buf);
|
|
|
- if (ret) {
|
|
|
- hid_err(hdev, "can not get absolute data sources: %d.\n", ret);
|
|
|
+ ret = rmi_reset_attn_mode(hdev);
|
|
|
+ if (ret)
|
|
|
return ret;
|
|
|
- }
|
|
|
-
|
|
|
- has_dribble = !!(buf[0] & BIT(4));
|
|
|
-
|
|
|
- /*
|
|
|
- * At least 4 queries are guaranteed to be present in F11
|
|
|
- * +1 for query 5 which is present since absolute events are
|
|
|
- * reported and +1 for query 12.
|
|
|
- */
|
|
|
- query_offset = 6;
|
|
|
-
|
|
|
- if (has_rel)
|
|
|
- ++query_offset; /* query 6 is present */
|
|
|
-
|
|
|
- if (has_gestures) {
|
|
|
- /* query 8 to find out if query 10 exists */
|
|
|
- ret = rmi_read(hdev,
|
|
|
- data->f11.query_base_addr + query_offset + 1, buf);
|
|
|
- if (ret) {
|
|
|
- hid_err(hdev, "can not read gesture information: %d.\n",
|
|
|
- ret);
|
|
|
- return ret;
|
|
|
- }
|
|
|
- has_palm_detect = !!(buf[0] & BIT(0));
|
|
|
- has_query10 = !!(buf[0] & BIT(2));
|
|
|
-
|
|
|
- query_offset += 2; /* query 7 and 8 are present */
|
|
|
- }
|
|
|
-
|
|
|
- if (has_query9)
|
|
|
- ++query_offset;
|
|
|
-
|
|
|
- if (has_query10)
|
|
|
- ++query_offset;
|
|
|
-
|
|
|
- if (has_query11)
|
|
|
- ++query_offset;
|
|
|
-
|
|
|
- /* query 12 to know if the physical properties are reported */
|
|
|
- if (has_query12) {
|
|
|
- ret = rmi_read(hdev, data->f11.query_base_addr
|
|
|
- + query_offset, buf);
|
|
|
- if (ret) {
|
|
|
- hid_err(hdev, "can not get query 12: %d.\n", ret);
|
|
|
- return ret;
|
|
|
- }
|
|
|
- has_physical_props = !!(buf[0] & BIT(5));
|
|
|
-
|
|
|
- if (has_physical_props) {
|
|
|
- query_offset += 1;
|
|
|
- ret = rmi_read_block(hdev,
|
|
|
- data->f11.query_base_addr
|
|
|
- + query_offset, buf, 4);
|
|
|
- if (ret) {
|
|
|
- hid_err(hdev, "can not read query 15-18: %d.\n",
|
|
|
- ret);
|
|
|
- return ret;
|
|
|
- }
|
|
|
-
|
|
|
- x_size = buf[0] | (buf[1] << 8);
|
|
|
- y_size = buf[2] | (buf[3] << 8);
|
|
|
-
|
|
|
- data->x_size_mm = DIV_ROUND_CLOSEST(x_size, 10);
|
|
|
- data->y_size_mm = DIV_ROUND_CLOSEST(y_size, 10);
|
|
|
-
|
|
|
- hid_info(hdev, "%s: size in mm: %d x %d\n",
|
|
|
- __func__, data->x_size_mm, data->y_size_mm);
|
|
|
-
|
|
|
- /*
|
|
|
- * query 15 - 18 contain the size of the sensor
|
|
|
- * and query 19 - 26 contain bezel dimensions
|
|
|
- */
|
|
|
- query_offset += 12;
|
|
|
- }
|
|
|
- }
|
|
|
-
|
|
|
- if (has_query27)
|
|
|
- ++query_offset;
|
|
|
|
|
|
- if (has_query28) {
|
|
|
- ret = rmi_read(hdev, data->f11.query_base_addr
|
|
|
- + query_offset, buf);
|
|
|
- if (ret) {
|
|
|
- hid_err(hdev, "can not get query 28: %d.\n", ret);
|
|
|
- return ret;
|
|
|
- }
|
|
|
-
|
|
|
- has_query36 = !!(buf[0] & BIT(6));
|
|
|
- }
|
|
|
-
|
|
|
- if (has_query36) {
|
|
|
- query_offset += 2;
|
|
|
- ret = rmi_read(hdev, data->f11.query_base_addr
|
|
|
- + query_offset, buf);
|
|
|
- if (ret) {
|
|
|
- hid_err(hdev, "can not get query 36: %d.\n", ret);
|
|
|
- return ret;
|
|
|
- }
|
|
|
-
|
|
|
- has_data40 = !!(buf[0] & BIT(5));
|
|
|
- }
|
|
|
-
|
|
|
-
|
|
|
- if (has_data40)
|
|
|
- data->f11.report_size += data->max_fingers * 2;
|
|
|
-
|
|
|
- ret = rmi_read_block(hdev, data->f11.control_base_addr,
|
|
|
- data->f11_ctrl_regs, RMI_F11_CTRL_REG_COUNT);
|
|
|
+ ret = rmi_driver_resume(rmi_dev, false);
|
|
|
if (ret) {
|
|
|
- hid_err(hdev, "can not read ctrl block of size 11: %d.\n", ret);
|
|
|
+ hid_warn(hdev, "Failed to resume device: %d\n", ret);
|
|
|
return ret;
|
|
|
}
|
|
|
|
|
|
- /* data->f11_ctrl_regs now contains valid register data */
|
|
|
- data->read_f11_ctrl_regs = true;
|
|
|
-
|
|
|
- data->max_x = data->f11_ctrl_regs[6] | (data->f11_ctrl_regs[7] << 8);
|
|
|
- data->max_y = data->f11_ctrl_regs[8] | (data->f11_ctrl_regs[9] << 8);
|
|
|
-
|
|
|
- if (has_dribble) {
|
|
|
- data->f11_ctrl_regs[0] = data->f11_ctrl_regs[0] & ~BIT(6);
|
|
|
- ret = rmi_write(hdev, data->f11.control_base_addr,
|
|
|
- data->f11_ctrl_regs);
|
|
|
- if (ret) {
|
|
|
- hid_err(hdev, "can not write to control reg 0: %d.\n",
|
|
|
- ret);
|
|
|
- return ret;
|
|
|
- }
|
|
|
- }
|
|
|
-
|
|
|
- if (has_palm_detect) {
|
|
|
- data->f11_ctrl_regs[11] = data->f11_ctrl_regs[11] & ~BIT(0);
|
|
|
- ret = rmi_write(hdev, data->f11.control_base_addr + 11,
|
|
|
- &data->f11_ctrl_regs[11]);
|
|
|
- if (ret) {
|
|
|
- hid_err(hdev, "can not write to control reg 11: %d.\n",
|
|
|
- ret);
|
|
|
- return ret;
|
|
|
- }
|
|
|
- }
|
|
|
-
|
|
|
- return 0;
|
|
|
-}
|
|
|
-
|
|
|
-static int rmi_populate_f30(struct hid_device *hdev)
|
|
|
-{
|
|
|
- struct rmi_data *data = hid_get_drvdata(hdev);
|
|
|
- u8 buf[20];
|
|
|
- int ret;
|
|
|
- bool has_gpio, has_led;
|
|
|
- unsigned bytes_per_ctrl;
|
|
|
- u8 ctrl2_addr;
|
|
|
- int ctrl2_3_length;
|
|
|
- int i;
|
|
|
-
|
|
|
- /* function F30 is for physical buttons */
|
|
|
- if (!data->f30.query_base_addr) {
|
|
|
- hid_err(hdev, "No GPIO/LEDs found, giving up.\n");
|
|
|
- return -ENODEV;
|
|
|
- }
|
|
|
-
|
|
|
- ret = rmi_read_block(hdev, data->f30.query_base_addr, buf, 2);
|
|
|
- if (ret) {
|
|
|
- hid_err(hdev, "can not get F30 query registers: %d.\n", ret);
|
|
|
- return ret;
|
|
|
- }
|
|
|
-
|
|
|
- has_gpio = !!(buf[0] & BIT(3));
|
|
|
- has_led = !!(buf[0] & BIT(2));
|
|
|
- data->gpio_led_count = buf[1] & 0x1f;
|
|
|
-
|
|
|
- /* retrieve ctrl 2 & 3 registers */
|
|
|
- bytes_per_ctrl = (data->gpio_led_count + 7) / 8;
|
|
|
- /* Ctrl0 is present only if both has_gpio and has_led are set*/
|
|
|
- ctrl2_addr = (has_gpio && has_led) ? bytes_per_ctrl : 0;
|
|
|
- /* Ctrl1 is always be present */
|
|
|
- ctrl2_addr += bytes_per_ctrl;
|
|
|
- ctrl2_3_length = 2 * bytes_per_ctrl;
|
|
|
-
|
|
|
- data->f30.report_size = bytes_per_ctrl;
|
|
|
-
|
|
|
- ret = rmi_read_block(hdev, data->f30.control_base_addr + ctrl2_addr,
|
|
|
- buf, ctrl2_3_length);
|
|
|
- if (ret) {
|
|
|
- hid_err(hdev, "can not read ctrl 2&3 block of size %d: %d.\n",
|
|
|
- ctrl2_3_length, ret);
|
|
|
- return ret;
|
|
|
- }
|
|
|
-
|
|
|
- for (i = 0; i < data->gpio_led_count; i++) {
|
|
|
- int byte_position = i >> 3;
|
|
|
- int bit_position = i & 0x07;
|
|
|
- u8 dir_byte = buf[byte_position];
|
|
|
- u8 data_byte = buf[byte_position + bytes_per_ctrl];
|
|
|
- bool dir = (dir_byte >> bit_position) & BIT(0);
|
|
|
- bool dat = (data_byte >> bit_position) & BIT(0);
|
|
|
-
|
|
|
- if (dir == 0) {
|
|
|
- /* input mode */
|
|
|
- if (dat) {
|
|
|
- /* actual buttons have pull up resistor */
|
|
|
- data->button_count++;
|
|
|
- set_bit(i, &data->button_mask);
|
|
|
- set_bit(i, &data->button_state_mask);
|
|
|
- }
|
|
|
- }
|
|
|
-
|
|
|
- }
|
|
|
-
|
|
|
return 0;
|
|
|
}
|
|
|
+#endif /* CONFIG_PM */
|
|
|
|
|
|
-static int rmi_populate(struct hid_device *hdev)
|
|
|
+static int rmi_hid_reset(struct rmi_transport_dev *xport, u16 reset_addr)
|
|
|
{
|
|
|
- struct rmi_data *data = hid_get_drvdata(hdev);
|
|
|
- int ret;
|
|
|
-
|
|
|
- ret = rmi_scan_pdt(hdev);
|
|
|
- if (ret) {
|
|
|
- hid_err(hdev, "PDT scan failed with code %d.\n", ret);
|
|
|
- return ret;
|
|
|
- }
|
|
|
-
|
|
|
- ret = rmi_populate_f01(hdev);
|
|
|
- if (ret) {
|
|
|
- hid_err(hdev, "Error while initializing F01 (%d).\n", ret);
|
|
|
- return ret;
|
|
|
- }
|
|
|
-
|
|
|
- ret = rmi_populate_f11(hdev);
|
|
|
- if (ret) {
|
|
|
- hid_err(hdev, "Error while initializing F11 (%d).\n", ret);
|
|
|
- return ret;
|
|
|
- }
|
|
|
-
|
|
|
- if (!(data->device_flags & RMI_DEVICE_HAS_PHYS_BUTTONS)) {
|
|
|
- ret = rmi_populate_f30(hdev);
|
|
|
- if (ret)
|
|
|
- hid_warn(hdev, "Error while initializing F30 (%d).\n", ret);
|
|
|
- }
|
|
|
+ struct rmi_data *data = container_of(xport, struct rmi_data, xport);
|
|
|
+ struct hid_device *hdev = data->hdev;
|
|
|
|
|
|
- return 0;
|
|
|
+ return rmi_reset_attn_mode(hdev);
|
|
|
}
|
|
|
|
|
|
static int rmi_input_configured(struct hid_device *hdev, struct hid_input *hi)
|
|
|
{
|
|
|
struct rmi_data *data = hid_get_drvdata(hdev);
|
|
|
struct input_dev *input = hi->input;
|
|
|
- int ret;
|
|
|
- int res_x, res_y, i;
|
|
|
+ int ret = 0;
|
|
|
+
|
|
|
+ if (!(data->device_flags & RMI_DEVICE))
|
|
|
+ return 0;
|
|
|
|
|
|
- data->input = input;
|
|
|
+ data->xport.input = input;
|
|
|
|
|
|
hid_dbg(hdev, "Opening low level driver\n");
|
|
|
ret = hid_hw_open(hdev);
|
|
|
if (ret)
|
|
|
return ret;
|
|
|
|
|
|
- if (!(data->device_flags & RMI_DEVICE))
|
|
|
- return 0;
|
|
|
-
|
|
|
/* Allow incoming hid reports */
|
|
|
hid_device_io_start(hdev);
|
|
|
|
|
|
@@ -1222,40 +489,10 @@ static int rmi_input_configured(struct hid_device *hdev, struct hid_input *hi)
|
|
|
goto exit;
|
|
|
}
|
|
|
|
|
|
- ret = rmi_populate(hdev);
|
|
|
- if (ret)
|
|
|
- goto exit;
|
|
|
-
|
|
|
- hid_info(hdev, "firmware id: %ld\n", data->firmware_id);
|
|
|
-
|
|
|
- __set_bit(EV_ABS, input->evbit);
|
|
|
- input_set_abs_params(input, ABS_MT_POSITION_X, 1, data->max_x, 0, 0);
|
|
|
- input_set_abs_params(input, ABS_MT_POSITION_Y, 1, data->max_y, 0, 0);
|
|
|
-
|
|
|
- if (data->x_size_mm && data->y_size_mm) {
|
|
|
- res_x = (data->max_x - 1) / data->x_size_mm;
|
|
|
- res_y = (data->max_y - 1) / data->y_size_mm;
|
|
|
-
|
|
|
- input_abs_set_res(input, ABS_MT_POSITION_X, res_x);
|
|
|
- input_abs_set_res(input, ABS_MT_POSITION_Y, res_y);
|
|
|
- }
|
|
|
-
|
|
|
- input_set_abs_params(input, ABS_MT_ORIENTATION, 0, 1, 0, 0);
|
|
|
- input_set_abs_params(input, ABS_MT_PRESSURE, 0, 0xff, 0, 0);
|
|
|
- input_set_abs_params(input, ABS_MT_TOUCH_MAJOR, 0, 0x0f, 0, 0);
|
|
|
- input_set_abs_params(input, ABS_MT_TOUCH_MINOR, 0, 0x0f, 0, 0);
|
|
|
-
|
|
|
- ret = input_mt_init_slots(input, data->max_fingers, INPUT_MT_POINTER);
|
|
|
- if (ret < 0)
|
|
|
+ ret = rmi_register_transport_device(&data->xport);
|
|
|
+ if (ret < 0) {
|
|
|
+ dev_err(&hdev->dev, "failed to register transport driver\n");
|
|
|
goto exit;
|
|
|
-
|
|
|
- if (data->button_count) {
|
|
|
- __set_bit(EV_KEY, input->evbit);
|
|
|
- for (i = 0; i < data->button_count; i++)
|
|
|
- __set_bit(BTN_LEFT + i, input->keybit);
|
|
|
-
|
|
|
- if (data->button_count == 1)
|
|
|
- __set_bit(INPUT_PROP_BUTTONPAD, input->propbit);
|
|
|
}
|
|
|
|
|
|
set_bit(RMI_STARTED, &data->flags);
|
|
|
@@ -1304,6 +541,71 @@ static int rmi_check_valid_report_id(struct hid_device *hdev, unsigned type,
|
|
|
return 0;
|
|
|
}
|
|
|
|
|
|
+static struct rmi_device_platform_data rmi_hid_pdata = {
|
|
|
+ .sensor_pdata = {
|
|
|
+ .sensor_type = rmi_sensor_touchpad,
|
|
|
+ .axis_align.flip_y = true,
|
|
|
+ .dribble = RMI_REG_STATE_ON,
|
|
|
+ .palm_detect = RMI_REG_STATE_OFF,
|
|
|
+ },
|
|
|
+};
|
|
|
+
|
|
|
+static const struct rmi_transport_ops hid_rmi_ops = {
|
|
|
+ .write_block = rmi_hid_write_block,
|
|
|
+ .read_block = rmi_hid_read_block,
|
|
|
+ .reset = rmi_hid_reset,
|
|
|
+};
|
|
|
+
|
|
|
+static void rmi_irq_teardown(void *data)
|
|
|
+{
|
|
|
+ struct rmi_data *hdata = data;
|
|
|
+ struct irq_domain *domain = hdata->domain;
|
|
|
+
|
|
|
+ if (!domain)
|
|
|
+ return;
|
|
|
+
|
|
|
+ irq_dispose_mapping(irq_find_mapping(domain, 0));
|
|
|
+
|
|
|
+ irq_domain_remove(domain);
|
|
|
+ hdata->domain = NULL;
|
|
|
+ hdata->rmi_irq = 0;
|
|
|
+}
|
|
|
+
|
|
|
+static int rmi_irq_map(struct irq_domain *h, unsigned int virq,
|
|
|
+ irq_hw_number_t hw_irq_num)
|
|
|
+{
|
|
|
+ irq_set_chip_and_handler(virq, &dummy_irq_chip, handle_simple_irq);
|
|
|
+
|
|
|
+ return 0;
|
|
|
+}
|
|
|
+
|
|
|
+static const struct irq_domain_ops rmi_irq_ops = {
|
|
|
+ .map = rmi_irq_map,
|
|
|
+};
|
|
|
+
|
|
|
+static int rmi_setup_irq_domain(struct hid_device *hdev)
|
|
|
+{
|
|
|
+ struct rmi_data *hdata = hid_get_drvdata(hdev);
|
|
|
+ int ret;
|
|
|
+
|
|
|
+ hdata->domain = irq_domain_create_linear(hdev->dev.fwnode, 1,
|
|
|
+ &rmi_irq_ops, hdata);
|
|
|
+ if (!hdata->domain)
|
|
|
+ return -ENOMEM;
|
|
|
+
|
|
|
+ ret = devm_add_action_or_reset(&hdev->dev, &rmi_irq_teardown, hdata);
|
|
|
+ if (ret)
|
|
|
+ return ret;
|
|
|
+
|
|
|
+ hdata->rmi_irq = irq_create_mapping(hdata->domain, 0);
|
|
|
+ if (hdata->rmi_irq <= 0) {
|
|
|
+ hid_err(hdev, "Can't allocate an IRQ\n");
|
|
|
+ return hdata->rmi_irq < 0 ? hdata->rmi_irq : -ENXIO;
|
|
|
+ }
|
|
|
+
|
|
|
+ return 0;
|
|
|
+}
|
|
|
+
|
|
|
static int rmi_probe(struct hid_device *hdev, const struct hid_device_id *id)
|
|
|
{
|
|
|
struct rmi_data *data = NULL;
|
|
|
@@ -1365,8 +667,8 @@ static int rmi_probe(struct hid_device *hdev, const struct hid_device_id *id)
|
|
|
|
|
|
data->writeReport = devm_kzalloc(&hdev->dev, alloc_size, GFP_KERNEL);
|
|
|
if (!data->writeReport) {
|
|
|
- ret = -ENOMEM;
|
|
|
- return ret;
|
|
|
+ hid_err(hdev, "failed to allocate buffer for HID reports\n");
|
|
|
+ return -ENOMEM;
|
|
|
}
|
|
|
|
|
|
data->readReport = data->writeReport + data->output_report_size;
|
|
|
@@ -1375,6 +677,21 @@ static int rmi_probe(struct hid_device *hdev, const struct hid_device_id *id)
|
|
|
|
|
|
mutex_init(&data->page_mutex);
|
|
|
|
|
|
+ ret = rmi_setup_irq_domain(hdev);
|
|
|
+ if (ret) {
|
|
|
+ hid_err(hdev, "failed to allocate IRQ domain\n");
|
|
|
+ return ret;
|
|
|
+ }
|
|
|
+
|
|
|
+ if (data->device_flags & RMI_DEVICE_HAS_PHYS_BUTTONS)
|
|
|
+ rmi_hid_pdata.f30_data.disable = true;
|
|
|
+
|
|
|
+ data->xport.dev = hdev->dev.parent;
|
|
|
+ data->xport.pdata = rmi_hid_pdata;
|
|
|
+ data->xport.pdata.irq = data->rmi_irq;
|
|
|
+ data->xport.proto_name = "hid";
|
|
|
+ data->xport.ops = &hid_rmi_ops;
|
|
|
+
|
|
|
start:
|
|
|
ret = hid_hw_start(hdev, HID_CONNECT_DEFAULT);
|
|
|
if (ret) {
|
|
|
@@ -1382,17 +699,6 @@ start:
|
|
|
return ret;
|
|
|
}
|
|
|
|
|
|
- if ((data->device_flags & RMI_DEVICE) &&
|
|
|
- !test_bit(RMI_STARTED, &data->flags))
|
|
|
- /*
|
|
|
- * The device maybe in the bootloader if rmi_input_configured
|
|
|
- * failed to find F11 in the PDT. Print an error, but don't
|
|
|
- * return an error from rmi_probe so that hidraw will be
|
|
|
- * accessible from userspace. That way a userspace tool
|
|
|
- * can be used to reload working firmware on the touchpad.
|
|
|
- */
|
|
|
- hid_err(hdev, "Device failed to be properly configured\n");
|
|
|
-
|
|
|
return 0;
|
|
|
}
|
|
|
|
|
|
@@ -1401,6 +707,8 @@ static void rmi_remove(struct hid_device *hdev)
|
|
|
struct rmi_data *hdata = hid_get_drvdata(hdev);
|
|
|
|
|
|
clear_bit(RMI_STARTED, &hdata->flags);
|
|
|
+ cancel_work_sync(&hdata->reset_work);
|
|
|
+ rmi_unregister_transport_device(&hdata->xport);
|
|
|
|
|
|
hid_hw_stop(hdev);
|
|
|
}
|
|
|
@@ -1408,6 +716,7 @@ static void rmi_remove(struct hid_device *hdev)
|
|
|
static const struct hid_device_id rmi_id[] = {
|
|
|
{ HID_USB_DEVICE(USB_VENDOR_ID_RAZER, USB_DEVICE_ID_RAZER_BLADE_14),
|
|
|
.driver_data = RMI_DEVICE_HAS_PHYS_BUTTONS },
|
|
|
+ { HID_USB_DEVICE(USB_VENDOR_ID_LENOVO, USB_DEVICE_ID_LENOVO_X1_COVER) },
|
|
|
{ HID_DEVICE(HID_BUS_ANY, HID_GROUP_RMI, HID_ANY_ID, HID_ANY_ID) },
|
|
|
{ }
|
|
|
};
|
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@@ -1425,7 +734,7 @@ static struct hid_driver rmi_driver = {
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#ifdef CONFIG_PM
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.suspend = rmi_suspend,
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.resume = rmi_post_resume,
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- .reset_resume = rmi_post_reset,
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+ .reset_resume = rmi_post_resume,
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#endif
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};
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Linus Torvalds