xref: /openbmc/qemu/include/hw/input/tsc2xxx.h (revision b91a0fa7)
1 /*
2  * TI touchscreen controller
3  *
4  * Copyright (c) 2006 Andrzej Zaborowski
5  * Copyright (C) 2008 Nokia Corporation
6  *
7  * This work is licensed under the terms of the GNU GPL, version 2 or later.
8  * See the COPYING file in the top-level directory.
9  */
10 
11 #ifndef HW_INPUT_TSC2XXX_H
12 #define HW_INPUT_TSC2XXX_H
13 
14 typedef struct MouseTransformInfo {
15     /* Touchscreen resolution */
16     int x;
17     int y;
18     /* Calibration values as used/generated by tslib */
19     int a[7];
20 } MouseTransformInfo;
21 
22 typedef struct uWireSlave {
23     uint16_t (*receive)(void *opaque);
24     void (*send)(void *opaque, uint16_t data);
25     void *opaque;
26 } uWireSlave;
27 
28 /* tsc210x.c */
29 uWireSlave *tsc2102_init(qemu_irq pint);
30 uWireSlave *tsc2301_init(qemu_irq penirq, qemu_irq kbirq, qemu_irq dav);
31 I2SCodec *tsc210x_codec(uWireSlave *chip);
32 uint32_t tsc210x_txrx(void *opaque, uint32_t value, int len);
33 void tsc210x_set_transform(uWireSlave *chip, MouseTransformInfo *info);
34 void tsc210x_key_event(uWireSlave *chip, int key, int down);
35 
36 /* tsc2005.c */
37 void *tsc2005_init(qemu_irq pintdav);
38 uint32_t tsc2005_txrx(void *opaque, uint32_t value, int len);
39 void tsc2005_set_transform(void *opaque, MouseTransformInfo *info);
40 
41 #endif
42