unsigned long flags;
+ struct rmi_function f01;
struct rmi_function f11;
struct rmi_function f30;
struct hid_device *hdev;
unsigned long device_flags;
+ unsigned long firmware_id;
};
#define RMI_PAGE(addr) (((addr) >> 8) & 0xff)
return rmi_read_block(hdev, addr, buf, 1);
}
+static int rmi_write_block(struct hid_device *hdev, u16 addr, void *buf,
+ const int len)
+{
+ struct rmi_data *data = hid_get_drvdata(hdev);
+ int ret;
+
+ mutex_lock(&data->page_mutex);
+
+ if (RMI_PAGE(addr) != data->page) {
+ ret = rmi_set_page(hdev, RMI_PAGE(addr));
+ if (ret < 0)
+ goto exit;
+ }
+
+ data->writeReport[0] = RMI_WRITE_REPORT_ID;
+ data->writeReport[1] = len;
+ data->writeReport[2] = addr & 0xFF;
+ data->writeReport[3] = (addr >> 8) & 0xFF;
+ memcpy(&data->writeReport[4], buf, len);
+
+ ret = rmi_write_report(hdev, data->writeReport,
+ data->output_report_size);
+ if (ret < 0) {
+ dev_err(&hdev->dev,
+ "failed to write request output report (%d)\n",
+ ret);
+ goto exit;
+ }
+ ret = 0;
+
+exit:
+ mutex_unlock(&data->page_mutex);
+ return ret;
+}
+
+static inline int rmi_write(struct hid_device *hdev, u16 addr, void *buf)
+{
+ return rmi_write_block(hdev, addr, buf, 1);
+}
+
static void rmi_f11_process_touch(struct rmi_data *hdata, int slot,
u8 finger_state, u8 *touch_data)
{
u16 page_base = page << 8;
switch (pdt_entry->function_number) {
+ case 0x01:
+ f = &data->f01;
+ break;
case 0x11:
f = &data->f11;
break;
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;
+ }
+
+ return 0;
+}
+
static int rmi_populate_f11(struct hid_device *hdev)
{
struct rmi_data *data = hid_get_drvdata(hdev);
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;
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);
+ 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
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 */
* retrieve the ctrl registers
* the ctrl register has a size of 20 but a fw bug split it into 16 + 4,
* and there is no way to know if the first 20 bytes are here or not.
- * We use only the first 10 bytes, so get only them.
+ * We use only the first 12 bytes, so get only them.
*/
- ret = rmi_read_block(hdev, data->f11.control_base_addr, buf, 10);
+ ret = rmi_read_block(hdev, data->f11.control_base_addr, buf, 12);
if (ret) {
- hid_err(hdev, "can not read ctrl block of size 10: %d.\n", ret);
+ hid_err(hdev, "can not read ctrl block of size 11: %d.\n", ret);
return ret;
}
data->max_x = buf[6] | (buf[7] << 8);
data->max_y = buf[8] | (buf[9] << 8);
+ if (has_dribble) {
+ buf[0] = buf[0] & ~BIT(6);
+ ret = rmi_write(hdev, data->f11.control_base_addr, buf);
+ if (ret) {
+ hid_err(hdev, "can not write to control reg 0: %d.\n",
+ ret);
+ return ret;
+ }
+ }
+
+ if (has_palm_detect) {
+ buf[11] = buf[11] & ~BIT(0);
+ ret = rmi_write(hdev, data->f11.control_base_addr + 11,
+ &buf[11]);
+ if (ret) {
+ hid_err(hdev, "can not write to control reg 11: %d.\n",
+ ret);
+ return ret;
+ }
+ }
+
return 0;
}
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);
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);
projects / firefly-linux-kernel-4.4.55.git / blobdiff