105 lines
3.2 KiB
C
105 lines
3.2 KiB
C
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/***************************************************************************
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* __________ __ ___.
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* Open \______ \ ____ ____ | | _\_ |__ _______ ___
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* Source | _// _ \_/ ___\| |/ /| __ \ / _ \ \/ /
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* Jukebox | | ( <_> ) \___| < | \_\ ( <_> > < <
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* Firmware |____|_ /\____/ \___ >__|_ \|___ /\____/__/\_ \
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* \/ \/ \/ \/ \/
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* $Id: $
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*
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* Copyright (C) 2007 by Jonathan Gordon
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*
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* All files in this archive are subject to the GNU General Public License.
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* See the file COPYING in the source tree root for full license agreement.
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*
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* This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY
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* KIND, either express or implied.
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*
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****************************************************************************/
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#ifndef __TSC2100_H_
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#define __TSC2100_H_
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/* Read X, Y, Z1, Z2 touchscreen coordinates. */
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void tsc2100_read_values(short *x, short* y, short *z1, short *z2);
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/* read a register */
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short tsc2100_readreg(int page, int address);
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/* write a value to the register */
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void tsc2100_writereg(int page, int address, short value);
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/* ts adc page defines (page 1, 00h ) (refer to page 40 of the datasheet) */
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#define TSADC_PAGE 1
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#define TSADC_ADDRESS 0x00
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#define TSADC_PSTCM (1<<15)
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#define TSADC_ADST (1<<14)
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#define TSADC_ADSCM_MASK (0x3C00)
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#define TSADC_ADSCM_SHIFT 10
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#define TSADC_RESOL_MASK (0x0300)
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#define TSADC_RESOL_SHIFT 8
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#define TSADC_ADAVG_MASK (0x00C0)
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#define TSADC_ADAVG_SHIFT 6
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#define TSADC_ADCR_MASK (0x0030)
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#define TSADC_ADCR_SHIFT 4
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#define TSADC_PVSTC_MASK (0x000E)
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#define TSADC_PVSTC_SHIFT 1
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#define TSADC_AVGFS (1<<0)
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/* ts status page defines (page 1, 01h ) (refer to page 41 of the datasheet) */
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#define TSSTAT_PAGE 1
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#define TSSTAT_ADDRESS 0x01
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#define TSSTAT_PINTDAV_MASK 0xC000 /* controls the !PINTDAV pin */
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#define TSSTAT_PINTDAV_SHIFT 14
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/* these are all read only */
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#define TSSTAT_PWRDN (1<<13)
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#define TSSTAT_HCTLM (1<<12)
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#define TSSTAT_DAVAIL (1<<11)
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#define TSSTAT_XSTAT (1<<10)
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#define TSSTAT_YSTAT (1<<9)
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#define TSSTAT_Z1STAT (1<<8)
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#define TSSTAT_Z2STAT (1<<7)
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#define TSSTAT_B1STAT (1<<6)
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#define TSSTAT_B2STAT (1<<5)
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#define TSSTAT_AXSTAT (1<<4)
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// Bit 3 is reserved (1<<3)
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#define TSSTAT_T1STAT (1<<2)
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#define TSSTAT_T2STAT (1<<1)
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// Bit 0 is reserved (1<<0)
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/* ts Reset Control */
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#define TSRESET_PAGE 1
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#define TSRESET_ADDRESS 0x04
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#define TSRESET_VALUE 0xBB00
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/* ts audio control 2 */
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#define TSAC2_PAGE 2
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#define TSAC2_ADDRESS 0x04
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#define TSAC2_KCLEN (1<<15)
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#define TSAC2_KCLAC_MASK 0x7000
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#define TSAC2_KCLSC_SHIFT 12
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#define TSAC2_APGASS (1<<11)
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#define TSAC2_KCLFRQ_MASK 0x0700
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#define TSAC2_KCLFRQ_SHIFT 8
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#define TSAC2_KCLLN_MASK 0x00F0
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#define TSAC2_KCLLN_SHIFT 4
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#define TSAC2_DLGAF (1<<3) /* r only */
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#define TSAC2_DRGAF (1<<2) /* r only */
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#define TSAC2_DASTC (1<<1)
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#define TSAC2_ADGAF (1<<0) /* r only */
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#endif
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