Initial Contribution
msm-2.6.38: tag AU_LINUX_ANDROID_GINGERBREAD.02.03.04.00.142
Signed-off-by: Bryan Huntsman <bryanh@codeaurora.org>
diff --git a/include/linux/atmel_maxtouch.h b/include/linux/atmel_maxtouch.h
new file mode 100644
index 0000000..c582529
--- /dev/null
+++ b/include/linux/atmel_maxtouch.h
@@ -0,0 +1,317 @@
+/*
+ * Atmel maXTouch header file
+ *
+ * Copyright (c) 2010 Atmel Corporation
+ * Copyright (C) 2010 Ulf Samuelsson (ulf@atmel.com)
+ *
+ * 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.
+ * See the file "COPYING" in the main directory of this archive
+ * for more details.
+ *
+ */
+
+#define MXT224_I2C_ADDR1 0x4A
+#define MXT224_I2C_ADDR2 0x4B
+#define MXT1386_I2C_ADDR1 0x4C
+#define MXT1386_I2C_ADDR2 0x4D
+#define MXT1386_I2C_ADDR3 0x5A
+#define MXT1386_I2C_ADDR4 0x5B
+
+/*
+ * Select this address from above depending on what maXTouch
+ * chip you have and how it's address pins are configured;
+ * see datasheet.
+ */
+
+#define MXT_I2C_ADDRESS MXT224_I2C_ADDR2
+
+#define MXT_BL_ADDRESS 0x25
+
+#define MXT224_FAMILYID 0x80
+#define MXT1386_FAMILYID 0xA0
+
+#define MXT224_CAL_VARIANTID 0x01
+#define MXT224_UNCAL_VARIANTID 0x00
+#define MXT1386_CAL_VARIANTID 0x00
+
+#define MXT_MAX_REPORTED_WIDTH 255
+#define MXT_MAX_REPORTED_PRESSURE 255
+#define MXT_MAX_TOUCH_SIZE 255
+#define MXT_MAX_NUM_TOUCHES 10
+
+/* Fixed addresses inside maXTouch device */
+#define MXT_ADDR_INFO_BLOCK 0
+#define MXT_ADDR_OBJECT_TABLE 7
+#define MXT_ID_BLOCK_SIZE 7
+#define MXT_OBJECT_TABLE_ELEMENT_SIZE 6
+
+/* Object types */
+#define MXT_DEBUG_DELTAS_T2 2
+#define MXT_DEBUG_REFERENCES_T3 3
+#define MXT_GEN_MESSAGEPROCESSOR_T5 5
+#define MXT_GEN_COMMANDPROCESSOR_T6 6
+#define MXT_GEN_POWERCONFIG_T7 7
+#define MXT_GEN_ACQUIRECONFIG_T8 8
+#define MXT_TOUCH_MULTITOUCHSCREEN_T9 9
+#define MXT_TOUCH_SINGLETOUCHSCREEN_T10 10
+#define MXT_TOUCH_XSLIDER_T11 11
+#define MXT_TOUCH_YSLIDER_T12 12
+#define MXT_TOUCH_XWHEEL_T13 13
+#define MXT_TOUCH_YWHEEL_T14 14
+#define MXT_TOUCH_KEYARRAY_T15 15
+#define MXT_SPT_GPIOPWM_T19 19
+#define MXT_PROCI_GRIPFACESUPPRESSION_T20 20
+#define MXT_PROCG_NOISESUPPRESSION_T22 22
+#define MXT_TOUCH_PROXIMITY_T23 23
+#define MXT_PROCI_ONETOUCHGESTUREPROCESSOR_T24 24
+#define MXT_SPT_SELFTEST_T25 25
+#define MXT_DEBUG_CTERANGE_T26 26
+#define MXT_PROCI_TWOTOUCHGESTUREPROCESSOR_T27 27
+#define MXT_SPT_CTECONFIG_T28 28
+#define MXT_TOUCH_KEYSET_T31 31
+#define MXT_TOUCH_XSLIDERSET_T32 32
+#define MXT_DEBUG_DIAGNOSTIC_T37 37
+#define MXT_USER_INFO_T38 38
+
+
+/*
+ * If a message is read from mXT when there's no new messages available,
+ * the report ID of the message will be 0xFF.
+ */
+#define MXT_END_OF_MESSAGES 0xFF
+
+
+/* GEN_COMMANDPROCESSOR_T6 Register offsets from T6 base address */
+#define MXT_ADR_T6_RESET 0x00
+#define MXT_ADR_T6_BACKUPNV 0x01
+#define MXT_ADR_T6_CALIBRATE 0x02
+#define MXT_ADR_T6_REPORTALL 0x03
+#define MXT_ADR_T6_RESERVED 0x04
+#define MXT_ADR_T6_DIAGNOSTIC 0x05
+
+/* T6 Debug Diagnostics Commands */
+#define MXT_CMD_T6_PAGE_UP 0x01
+#define MXT_CMD_T6_PAGE_DOWN 0x02
+#define MXT_CMD_T6_DELTAS_MODE 0x10
+#define MXT_CMD_T6_REFERENCES_MODE 0x11
+#define MXT_CMD_T6_CTE_MODE 0x31
+
+/* T6 Backup Command */
+#define MXT_CMD_T6_BACKUP 0x55
+
+/* SPT_DEBUG_DIAGNOSTIC_T37 Register offsets from T37 base address */
+#define MXT_ADR_T37_PAGE 0x01
+#define MXT_ADR_T37_DATA 0x02
+
+
+
+/************************************************************************
+ * MESSAGE OBJECTS ADDRESS FIELDS
+ *
+ ************************************************************************/
+#define MXT_MSG_REPORTID 0x00
+
+
+/* MXT_GEN_MESSAGEPROCESSOR_T5 Message address definitions */
+#define MXT_MSG_T5_REPORTID 0x00
+#define MXT_MSG_T5_MESSAGE 0x01
+#define MXT_MSG_T5_CHECKSUM 0x08
+
+/* MXT_GEN_COMMANDPROCESSOR_T6 Message address definitions */
+#define MXT_MSG_T6_STATUS 0x01
+#define MXT_MSGB_T6_COMSERR 0x04
+#define MXT_MSGB_T6_CFGERR 0x08
+#define MXT_MSGB_T6_CAL 0x10
+#define MXT_MSGB_T6_SIGERR 0x20
+#define MXT_MSGB_T6_OFL 0x40
+#define MXT_MSGB_T6_RESET 0x80
+/* Three bytes */
+#define MXT_MSG_T6_CHECKSUM 0x02
+
+/* MXT_GEN_POWERCONFIG_T7 NO Message address definitions */
+/* MXT_GEN_ACQUIRECONFIG_T8 Message address definitions */
+/* MXT_TOUCH_MULTITOUCHSCREEN_T9 Message address definitions */
+
+#define MXT_MSG_T9_STATUS 0x01
+/* Status bit field */
+#define MXT_MSGB_T9_SUPPRESS 0x02
+#define MXT_MSGB_T9_AMP 0x04
+#define MXT_MSGB_T9_VECTOR 0x08
+#define MXT_MSGB_T9_MOVE 0x10
+#define MXT_MSGB_T9_RELEASE 0x20
+#define MXT_MSGB_T9_PRESS 0x40
+#define MXT_MSGB_T9_DETECT 0x80
+
+#define MXT_MSG_T9_XPOSMSB 0x02
+#define MXT_MSG_T9_YPOSMSB 0x03
+#define MXT_MSG_T9_XYPOSLSB 0x04
+#define MXT_MSG_T9_TCHAREA 0x05
+#define MXT_MSG_T9_TCHAMPLITUDE 0x06
+#define MXT_MSG_T9_TCHVECTOR 0x07
+
+
+/* MXT_SPT_GPIOPWM_T19 Message address definitions */
+#define MXT_MSG_T19_STATUS 0x01
+
+/* MXT_PROCI_GRIPFACESUPPRESSION_T20 Message address definitions */
+#define MXT_MSG_T20_STATUS 0x01
+#define MXT_MSGB_T20_FACE_SUPPRESS 0x01
+/* MXT_PROCG_NOISESUPPRESSION_T22 Message address definitions */
+#define MXT_MSG_T22_STATUS 0x01
+#define MXT_MSGB_T22_FHCHG 0x01
+#define MXT_MSGB_T22_GCAFERR 0x04
+#define MXT_MSGB_T22_FHERR 0x08
+#define MXT_MSG_T22_GCAFDEPTH 0x02
+
+/* MXT_TOUCH_PROXIMITY_T23 Message address definitions */
+#define MXT_MSG_T23_STATUS 0x01
+#define MXT_MSGB_T23_FALL 0x20
+#define MXT_MSGB_T23_RISE 0x40
+#define MXT_MSGB_T23_DETECT 0x80
+/* 16 bit */
+#define MXT_MSG_T23_PROXDELTA 0x02
+
+/* MXT_PROCI_ONETOUCHGESTUREPROCESSOR_T24 Message address definitions */
+#define MXT_MSG_T24_STATUS 0x01
+#define MXT_MSG_T24_XPOSMSB 0x02
+#define MXT_MSG_T24_YPOSMSB 0x03
+#define MXT_MSG_T24_XYPOSLSB 0x04
+#define MXT_MSG_T24_DIR 0x05
+/* 16 bit */
+#define MXT_MSG_T24_DIST 0x06
+
+/* MXT_SPT_SELFTEST_T25 Message address definitions */
+#define MXT_MSG_T25_STATUS 0x01
+/* 5 Bytes */
+#define MXT_MSGR_T25_OK 0xFE
+#define MXT_MSGR_T25_INVALID_TEST 0xFD
+#define MXT_MSGR_T25_PIN_FAULT 0x11
+#define MXT_MSGR_T25_SIGNAL_LIMIT_FAULT 0x17
+#define MXT_MSGR_T25_GAIN_ERROR 0x20
+#define MXT_MSG_T25_INFO 0x02
+
+/* MXT_PROCI_TWOTOUCHGESTUREPROCESSOR_T27 Message address definitions */
+#define MXT_MSG_T27_STATUS 0x01
+#define MXT_MSGB_T27_ROTATEDIR 0x10
+#define MXT_MSGB_T27_PINCH 0x20
+#define MXT_MSGB_T27_ROTATE 0x40
+#define MXT_MSGB_T27_STRETCH 0x80
+#define MXT_MSG_T27_XPOSMSB 0x02
+#define MXT_MSG_T27_YPOSMSB 0x03
+#define MXT_MSG_T27_XYPOSLSB 0x04
+#define MXT_MSG_T27_ANGLE 0x05
+
+/* 16 bit */
+#define MXT_MSG_T27_SEPARATION 0x06
+
+/* MXT_SPT_CTECONFIG_T28 Message address definitions */
+#define MXT_MSG_T28_STATUS 0x01
+#define MXT_MSGB_T28_CHKERR 0x01
+
+
+/* One Touch Events */
+#define MXT_GESTURE_RESERVED 0x00
+#define MXT_GESTURE_PRESS 0x01
+#define MXT_GESTURE_RELEASE 0x02
+#define MXT_GESTURE_TAP 0x03
+#define MXT_GESTURE_DOUBLE_TAP 0x04
+#define MXT_GESTURE_FLICK 0x05
+#define MXT_GESTURE_DRAG 0x06
+#define MXT_GESTURE_SHORT_PRESS 0x07
+#define MXT_GESTURE_LONG_PRESS 0x08
+#define MXT_GESTURE_REPEAT_PRESS 0x09
+#define MXT_GESTURE_TAP_AND_PRESS 0x0a
+#define MXT_GESTURE_THROW 0x0b
+
+/* Two-touch events */
+#define MXT_GESTURE_STRETCH (1 << 7)
+#define MXT_GESTURE_ROTATE (1 << 6)
+#define MXT_GESTURE_PINCH (1 << 5)
+#define MXT_GESTURE_ROTATEDIR (1 << 4)
+
+
+
+/* Bootloader states */
+#define WAITING_BOOTLOAD_COMMAND 0xC0
+#define WAITING_FRAME_DATA 0x80
+#define APP_CRC_FAIL 0x40
+#define FRAME_CRC_CHECK 0x02
+#define FRAME_CRC_PASS 0x04
+#define FRAME_CRC_FAIL 0x03
+
+#define MXT_MAX_FRAME_SIZE 276
+
+/* Debug levels */
+#define DEBUG_INFO 1
+#define DEBUG_VERBOSE 2
+#define DEBUG_MESSAGES 5
+#define DEBUG_RAW 8
+#define DEBUG_TRACE 10
+
+/* IOCTL commands */
+/* TODO: get correct numbers! */
+#define MXT_SET_ADDRESS_IOCTL ('x' + 1) /* Sets the internal address pointer */
+#define MXT_RESET_IOCTL ('x' + 2) /* Resets the device */
+#define MXT_CALIBRATE_IOCTL ('x' + 3) /* Calibrates the device */
+/* Backups the current state of registers to NVM */
+#define MXT_BACKUP_IOCTL ('x' + 4)
+/*
+ * Only non-touch messages can be read from the message buffer
+ * (/dev/maXTouch_messages)
+ */
+#define MXT_NONTOUCH_MSG_IOCTL ('x' + 5)
+/* All messages can be read from the message buffer */
+#define MXT_ALL_MSG_IOCTL ('x' + 6)
+
+
+/* Message buffer size. This is a ring buffer, and when full, the oldest entry
+ will be overwritten. */
+#define MXT_MESSAGE_BUFFER_SIZE 128
+
+/* Routines for memory access within a 16 bit address space */
+
+/* TODO: - won't compile if functions aren't defined*/
+/* Bootloader specific function prototypes. */
+
+#if 0
+static int mxt_read_byte_bl(struct i2c_client *client, u8 *value);
+static int mxt_read_block_bl(struct i2c_client *client, u16 length, u8 *value);
+static int mxt_write_byte_bl(struct i2c_client *client, u8 value);
+static int mxt_write_block_bl(struct i2c_client *client, u16 length, u8 *value);
+#endif
+
+/**
+ * struct mxt_platform_data - includes platform specific informatio
+ * related to Atmel maXTouch touchscreen controller.
+ *
+ * @numtouch: Number of simultaneous touches supported
+ * @init_platform_hw(): Initialization function, which can for example
+ * trigger a hardware reset by toggling a GPIO pin
+ * @exit_platform_hw(): Function to run when the driver is unloaded.
+ * @valid_interrupt(): Function that checks the validity of the interrupt -
+ * function that check the validity of a interrupt (by
+ * reading the changeline interrupt pin and checking that
+ * it really is low for example).
+ * @max_x: Reported X range
+ * @max_y: Reported Y range
+ */
+
+struct mxt_platform_data {
+ u8 numtouch; /* Number of touches to report */
+ int (*init_platform_hw)(struct i2c_client *client);
+ int (*exit_platform_hw)(struct i2c_client *client);
+ int display_res_x;
+ int display_res_y;
+ int min_x;
+ int min_y;
+ int max_x; /* The default reported X range */
+ int max_y; /* The default reported Y range */
+ u8 (*valid_interrupt) (void);
+ u8 (*read_chg) (void);
+ bool wakeup;
+ int (*power_on)(bool on);
+};
+
+void mxt_hw_reset(void);