summaryrefslogtreecommitdiffstats
path: root/drivers/input/mouse/elan_i2c.h
diff options
context:
space:
mode:
authorDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-11 08:27:49 +0000
committerDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-11 08:27:49 +0000
commitace9429bb58fd418f0c81d4c2835699bddf6bde6 (patch)
treeb2d64bc10158fdd5497876388cd68142ca374ed3 /drivers/input/mouse/elan_i2c.h
parentInitial commit. (diff)
downloadlinux-ace9429bb58fd418f0c81d4c2835699bddf6bde6.tar.xz
linux-ace9429bb58fd418f0c81d4c2835699bddf6bde6.zip
Adding upstream version 6.6.15.upstream/6.6.15
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'drivers/input/mouse/elan_i2c.h')
-rw-r--r--drivers/input/mouse/elan_i2c.h121
1 files changed, 121 insertions, 0 deletions
diff --git a/drivers/input/mouse/elan_i2c.h b/drivers/input/mouse/elan_i2c.h
new file mode 100644
index 0000000000..3c84deefa3
--- /dev/null
+++ b/drivers/input/mouse/elan_i2c.h
@@ -0,0 +1,121 @@
+/* SPDX-License-Identifier: GPL-2.0-only */
+/*
+ * Elan I2C/SMBus Touchpad driver
+ *
+ * Copyright (c) 2013 ELAN Microelectronics Corp.
+ *
+ * Author: 林政維 (Duson Lin) <dusonlin@emc.com.tw>
+ *
+ * Based on cyapa driver:
+ * copyright (c) 2011-2012 Cypress Semiconductor, Inc.
+ * copyright (c) 2011-2012 Google, Inc.
+ *
+ * Trademarks are the property of their respective owners.
+ */
+
+#ifndef _ELAN_I2C_H
+#define _ELAN_I2C_H
+
+#include <linux/types.h>
+
+#define ETP_ENABLE_ABS 0x0001
+#define ETP_ENABLE_CALIBRATE 0x0002
+#define ETP_DISABLE_CALIBRATE 0x0000
+#define ETP_DISABLE_POWER 0x0001
+#define ETP_PRESSURE_OFFSET 25
+
+#define ETP_CALIBRATE_MAX_LEN 3
+
+#define ETP_FEATURE_REPORT_MK BIT(0)
+
+#define ETP_REPORT_ID 0x5D
+#define ETP_TP_REPORT_ID 0x5E
+#define ETP_TP_REPORT_ID2 0x5F
+#define ETP_REPORT_ID2 0x60 /* High precision report */
+
+#define ETP_REPORT_ID_OFFSET 2
+#define ETP_TOUCH_INFO_OFFSET 3
+#define ETP_FINGER_DATA_OFFSET 4
+#define ETP_HOVER_INFO_OFFSET 30
+#define ETP_MK_DATA_OFFSET 33 /* For high precision reports */
+
+#define ETP_MAX_REPORT_LEN 39
+
+#define ETP_MAX_FINGERS 5
+#define ETP_FINGER_DATA_LEN 5
+
+/* IAP Firmware handling */
+#define ETP_PRODUCT_ID_FORMAT_STRING "%d.0"
+#define ETP_FW_NAME "elan_i2c_" ETP_PRODUCT_ID_FORMAT_STRING ".bin"
+#define ETP_IAP_START_ADDR 0x0083
+#define ETP_FW_IAP_PAGE_ERR (1 << 5)
+#define ETP_FW_IAP_INTF_ERR (1 << 4)
+#define ETP_FW_PAGE_SIZE 64
+#define ETP_FW_PAGE_SIZE_128 128
+#define ETP_FW_PAGE_SIZE_512 512
+#define ETP_FW_SIGNATURE_SIZE 6
+
+#define ETP_PRODUCT_ID_WHITEBOX 0x00B8
+#define ETP_PRODUCT_ID_VOXEL 0x00BF
+#define ETP_PRODUCT_ID_DELBIN 0x00C2
+#define ETP_PRODUCT_ID_MAGPIE 0x0120
+#define ETP_PRODUCT_ID_BOBBA 0x0121
+
+struct i2c_client;
+struct completion;
+
+enum tp_mode {
+ IAP_MODE = 1,
+ MAIN_MODE
+};
+
+struct elan_transport_ops {
+ int (*initialize)(struct i2c_client *client);
+ int (*sleep_control)(struct i2c_client *, bool sleep);
+ int (*power_control)(struct i2c_client *, bool enable);
+ int (*set_mode)(struct i2c_client *client, u8 mode);
+
+ int (*calibrate)(struct i2c_client *client);
+ int (*calibrate_result)(struct i2c_client *client, u8 *val);
+
+ int (*get_baseline_data)(struct i2c_client *client,
+ bool max_baseline, u8 *value);
+
+ int (*get_version)(struct i2c_client *client, u8 pattern, bool iap,
+ u8 *version);
+ int (*get_sm_version)(struct i2c_client *client, u8 pattern,
+ u16 *ic_type, u8 *version, u8 *clickpad);
+ int (*get_checksum)(struct i2c_client *client, bool iap, u16 *csum);
+ int (*get_product_id)(struct i2c_client *client, u16 *id);
+
+ int (*get_max)(struct i2c_client *client,
+ unsigned int *max_x, unsigned int *max_y);
+ int (*get_resolution)(struct i2c_client *client,
+ u8 *hw_res_x, u8 *hw_res_y);
+ int (*get_num_traces)(struct i2c_client *client,
+ unsigned int *x_tracenum,
+ unsigned int *y_tracenum);
+
+ int (*iap_get_mode)(struct i2c_client *client, enum tp_mode *mode);
+ int (*iap_reset)(struct i2c_client *client);
+
+ int (*prepare_fw_update)(struct i2c_client *client, u16 ic_type,
+ u8 iap_version, u16 fw_page_size);
+ int (*write_fw_block)(struct i2c_client *client, u16 fw_page_size,
+ const u8 *page, u16 checksum, int idx);
+ int (*finish_fw_update)(struct i2c_client *client,
+ struct completion *reset_done);
+
+ int (*get_report_features)(struct i2c_client *client, u8 pattern,
+ unsigned int *features,
+ unsigned int *report_len);
+ int (*get_report)(struct i2c_client *client, u8 *report,
+ unsigned int report_len);
+ int (*get_pressure_adjustment)(struct i2c_client *client,
+ int *adjustment);
+ int (*get_pattern)(struct i2c_client *client, u8 *pattern);
+};
+
+extern const struct elan_transport_ops elan_smbus_ops, elan_i2c_ops;
+
+#endif /* _ELAN_I2C_H */