fbeb453ba9
Add generic evdev support to touchscreen part of ti_adc: two absolute coordinates + button touch to indicate pen position. Pressure value reporting is not implemented yet. Tested on: Beaglebone Black + 4DCAPE-43T + tslib
128 lines
4.6 KiB
C
128 lines
4.6 KiB
C
/*-
|
|
* Copyright 2014 Luiz Otavio O Souza <loos@freebsd.org>
|
|
* All rights reserved.
|
|
*
|
|
* Redistribution and use in source and binary forms, with or without
|
|
* modification, are permitted provided that the following conditions
|
|
* are met:
|
|
* 1. Redistributions of source code must retain the above copyright
|
|
* notice, this list of conditions and the following disclaimer.
|
|
* 2. Redistributions in binary form must reproduce the above copyright
|
|
* notice, this list of conditions and the following disclaimer in the
|
|
* documentation and/or other materials provided with the distribution.
|
|
*
|
|
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
|
|
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
|
|
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
|
|
* ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
|
|
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
|
|
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
|
|
* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
|
|
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
|
|
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
|
|
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
|
|
* SUCH DAMAGE.
|
|
*
|
|
* $FreeBSD$
|
|
*/
|
|
|
|
#ifndef _TI_ADCREG_H_
|
|
#define _TI_ADCREG_H_
|
|
|
|
#define ADC_REVISION 0x000
|
|
#define ADC_REV_SCHEME_MSK 0xc0000000
|
|
#define ADC_REV_SCHEME_SHIFT 30
|
|
#define ADC_REV_FUNC_MSK 0x0fff0000
|
|
#define ADC_REV_FUNC_SHIFT 16
|
|
#define ADC_REV_RTL_MSK 0x0000f800
|
|
#define ADC_REV_RTL_SHIFT 11
|
|
#define ADC_REV_MAJOR_MSK 0x00000700
|
|
#define ADC_REV_MAJOR_SHIFT 8
|
|
#define ADC_REV_CUSTOM_MSK 0x000000c0
|
|
#define ADC_REV_CUSTOM_SHIFT 6
|
|
#define ADC_REV_MINOR_MSK 0x0000003f
|
|
#define ADC_SYSCFG 0x010
|
|
#define ADC_SYSCFG_IDLE_MSK 0x000000c0
|
|
#define ADC_SYSCFG_IDLE_SHIFT 2
|
|
#define ADC_IRQSTATUS_RAW 0x024
|
|
#define ADC_IRQSTATUS 0x028
|
|
#define ADC_IRQENABLE_SET 0x02c
|
|
#define ADC_IRQENABLE_CLR 0x030
|
|
#define ADC_IRQ_HW_PEN_SYNC (1 << 10)
|
|
#define ADC_IRQ_PEN_UP (1 << 9)
|
|
#define ADC_IRQ_OUT_RANGE (1 << 8)
|
|
#define ADC_IRQ_FIFO1_UNDR (1 << 7)
|
|
#define ADC_IRQ_FIFO1_OVERR (1 << 6)
|
|
#define ADC_IRQ_FIFO1_THRES (1 << 5)
|
|
#define ADC_IRQ_FIFO0_UNDR (1 << 4)
|
|
#define ADC_IRQ_FIFO0_OVERR (1 << 3)
|
|
#define ADC_IRQ_FIFO0_THRES (1 << 2)
|
|
#define ADC_IRQ_END_OF_SEQ (1 << 1)
|
|
#define ADC_IRQ_HW_PEN_ASYNC (1 << 0)
|
|
#define ADC_CTRL 0x040
|
|
#define ADC_CTRL_TSC_ENABLE (1 << 7)
|
|
#define ADC_CTRL_TSC_4WIRE (1 << 5)
|
|
#define ADC_CTRL_TSC_5WIRE (2 << 5)
|
|
#define ADC_CTRL_TSC_8WIRE (3 << 5)
|
|
#define ADC_CTRL_STEP_WP (1 << 2)
|
|
#define ADC_CTRL_STEP_ID (1 << 1)
|
|
#define ADC_CTRL_ENABLE (1 << 0)
|
|
#define ADC_STAT 0x044
|
|
#define ADC_CLKDIV 0x04c
|
|
#define ADC_STEPENABLE 0x054
|
|
#define ADC_IDLECONFIG 0x058
|
|
#define ADC_TC_CHARGE_STEPCONFIG 0x05C
|
|
#define ADC_TC_CHARGE_DELAY 0x060
|
|
#define ADC_STEPS 16
|
|
#define ADC_STEPCFG(n) (0x064 + (8*((n)-1)))
|
|
#define ADC_STEPDLY(n) (0x068 + (8*((n)-1)))
|
|
#define ADC_STEP_FIFO1 (1 << 26)
|
|
#define ADC_STEP_DIFF_CNTRL (1 << 25)
|
|
#define ADC_STEP_RFM_MSK 0x01800000
|
|
#define ADC_STEP_RFM_SHIFT 23
|
|
#define ADC_STEP_RFM_VSSA 0
|
|
#define ADC_STEP_RFM_XNUR 1
|
|
#define ADC_STEP_RFM_YNLR 2
|
|
#define ADC_STEP_RFM_VREFN 3
|
|
#define ADC_STEP_INP_MSK 0x00780000
|
|
#define ADC_STEP_INP_SHIFT 19
|
|
#define ADC_STEP_INP(i) ((i) << ADC_STEP_INP_SHIFT)
|
|
#define ADC_STEP_INM_MSK 0x00078000
|
|
#define ADC_STEP_INM_SHIFT 15
|
|
#define ADC_STEP_INM(i) ((i) << ADC_STEP_INM_SHIFT)
|
|
#define ADC_STEP_IN_VREFN 8
|
|
#define ADC_STEP_RFP_MSK 0x00007000
|
|
#define ADC_STEP_RFP_SHIFT 12
|
|
#define ADC_STEP_RFP_VDDA 0
|
|
#define ADC_STEP_RFP_XPUL 1
|
|
#define ADC_STEP_RFP_YPLL 2
|
|
#define ADC_STEP_RFP_VREFP 3
|
|
#define ADC_STEP_RFP_INTREF 4
|
|
#define ADC_STEP_YPN_SW (1 << 10)
|
|
#define ADC_STEP_YNN_SW (1 << 8)
|
|
#define ADC_STEP_YPP_SW (1 << 7)
|
|
#define ADC_STEP_XNN_SW (1 << 6)
|
|
#define ADC_STEP_XPP_SW (1 << 5)
|
|
#define ADC_STEP_AVG_MSK 0x0000001c
|
|
#define ADC_STEP_AVG_SHIFT 2
|
|
#define ADC_STEP_MODE_MSK 0x00000003
|
|
#define ADC_STEP_MODE_ONESHOT 0x00000000
|
|
#define ADC_STEP_MODE_CONTINUOUS 0x00000001
|
|
#define ADC_STEP_MODE_HW_ONESHOT 0x00000002
|
|
#define ADC_STEP_MODE_HW_CONTINUOUS 0x00000003
|
|
#define ADC_STEP_SAMPLE_DELAY 0xff000000
|
|
#define ADC_STEP_OPEN_DELAY 0x0003ffff
|
|
#define ADC_FIFO0COUNT 0x0e4
|
|
#define ADC_FIFO0THRESHOLD 0x0e8
|
|
#define ADC_FIFO1COUNT 0x0f0
|
|
#define ADC_FIFO1THRESHOLD 0x0f4
|
|
#define ADC_FIFO0DATA 0x100
|
|
#define ADC_FIFO1DATA 0x200
|
|
#define ADC_FIFO_COUNT_MSK 0x0000007f
|
|
#define ADC_FIFO_STEP_ID_MSK 0x000f0000
|
|
#define ADC_FIFO_STEP_ID_SHIFT 16
|
|
#define ADC_FIFO_DATA_MSK 0x00000fff
|
|
#define ADC_MAX_VALUE 0xfff
|
|
|
|
#endif /* _TI_ADCREG_H_ */
|