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authorAndré Fabian Silva Delgado <emulatorman@parabola.nu>2015-08-05 17:04:01 -0300
committerAndré Fabian Silva Delgado <emulatorman@parabola.nu>2015-08-05 17:04:01 -0300
commit57f0f512b273f60d52568b8c6b77e17f5636edc0 (patch)
tree5e910f0e82173f4ef4f51111366a3f1299037a7b /drivers/input/mouse/elan_i2c.h
Initial import
Diffstat (limited to 'drivers/input/mouse/elan_i2c.h')
-rw-r--r--drivers/input/mouse/elan_i2c.h89
1 files changed, 89 insertions, 0 deletions
diff --git a/drivers/input/mouse/elan_i2c.h b/drivers/input/mouse/elan_i2c.h
new file mode 100644
index 000000000..9be9ebe40
--- /dev/null
+++ b/drivers/input/mouse/elan_i2c.h
@@ -0,0 +1,89 @@
+/*
+ * 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.
+ *
+ * This program is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License version 2 as published
+ * by the Free Software Foundation.
+ *
+ * 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
+
+/* IAP Firmware handling */
+#define ETP_FW_NAME "/*(DEBLOBBED)*/"
+#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_VAILDPAGE_COUNT 768
+#define ETP_FW_SIGNATURE_SIZE 6
+#define ETP_FW_SIGNATURE_ADDRESS 0xBFFA
+
+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_baseliune, u8 *value);
+
+ int (*get_version)(struct i2c_client *client, bool iap, u8 *version);
+ int (*get_sm_version)(struct i2c_client *client, u8 *version);
+ int (*get_checksum)(struct i2c_client *client, bool iap, u16 *csum);
+ int (*get_product_id)(struct i2c_client *client, u8 *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);
+ int (*write_fw_block)(struct i2c_client *client,
+ const u8 *page, u16 checksum, int idx);
+ int (*finish_fw_update)(struct i2c_client *client,
+ struct completion *reset_done);
+
+ int (*get_report)(struct i2c_client *client, u8 *report);
+ int (*get_pressure_adjustment)(struct i2c_client *client,
+ int *adjustment);
+};
+
+extern const struct elan_transport_ops elan_smbus_ops, elan_i2c_ops;
+
+#endif /* _ELAN_I2C_H */