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/***************************************************************************
* __________ __ ___.
* Open \______ \ ____ ____ | | _\_ |__ _______ ___
* Source | _// _ \_/ ___\| |/ /| __ \ / _ \ \/ /
* Jukebox | | ( <_> ) \___| < | \_\ ( <_> > < <
* Firmware |____|_ /\____/ \___ >__|_ \|___ /\____/__/\_ \
* \/ \/ \/ \/ \/
* $Id: $
*
* Copyright (C) 2007 by Jonathan Gordon
*
* All files in this archive are subject to the GNU General Public License.
* See the file COPYING in the source tree root for full license agreement.
*
* This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY
* KIND, either express or implied.
*
****************************************************************************/
#ifndef __TSC2100_H_
#define __TSC2100_H_
/* Read X, Y, Z1, Z2 touchscreen coordinates. */
void tsc2100_read_values(short *x, short* y, short *z1, short *z2);
/* read a register */
short tsc2100_readreg(int page, int address);
/* write a value to the register */
void tsc2100_writereg(int page, int address, short value);
/* ts adc page defines (page 1, 00h ) (refer to page 40 of the datasheet) */
#define TSADC_PAGE 1
#define TSADC_ADDRESS 0x00
#define TSADC_PSTCM (1<<15)
#define TSADC_ADST (1<<14)
#define TSADC_ADSCM_MASK (0x3C00)
#define TSADC_ADSCM_SHIFT 10
#define TSADC_RESOL_MASK (0x0300)
#define TSADC_RESOL_SHIFT 8
#define TSADC_ADAVG_MASK (0x00C0)
#define TSADC_ADAVG_SHIFT 6
#define TSADC_ADCR_MASK (0x0030)
#define TSADC_ADCR_SHIFT 4
#define TSADC_PVSTC_MASK (0x000E)
#define TSADC_PVSTC_SHIFT 1
#define TSADC_AVGFS (1<<0)
/* ts status page defines (page 1, 01h ) (refer to page 41 of the datasheet) */
#define TSSTAT_PAGE 1
#define TSSTAT_ADDRESS 0x01
#define TSSTAT_PINTDAV_MASK 0xC000 /* controls the !PINTDAV pin */
#define TSSTAT_PINTDAV_SHIFT 14
/* these are all read only */
#define TSSTAT_PWRDN (1<<13)
#define TSSTAT_HCTLM (1<<12)
#define TSSTAT_DAVAIL (1<<11)
#define TSSTAT_XSTAT (1<<10)
#define TSSTAT_YSTAT (1<<9)
#define TSSTAT_Z1STAT (1<<8)
#define TSSTAT_Z2STAT (1<<7)
#define TSSTAT_B1STAT (1<<6)
#define TSSTAT_B2STAT (1<<5)
#define TSSTAT_AXSTAT (1<<4)
// Bit 3 is reserved (1<<3)
#define TSSTAT_T1STAT (1<<2)
#define TSSTAT_T2STAT (1<<1)
// Bit 0 is reserved (1<<0)
/* ts Reset Control */
#define TSRESET_PAGE 1
#define TSRESET_ADDRESS 0x04
#define TSRESET_VALUE 0xBB00
/* ts codec dac gain control */
#define TSDACGAIN_PAGE 2
#define TSDACGAIN_ADDRESS 0x02
/* ts audio control 1*/
#define TSAC1_PAGE 2
#define TSAC1_ADDRESS 0x00
/* ts audio control 2 */
#define TSAC2_PAGE 2
#define TSAC2_ADDRESS 0x04
#define TSAC2_KCLEN (1<<15)
#define TSAC2_KCLAC_MASK 0x7000
#define TSAC2_KCLSC_SHIFT 12
#define TSAC2_APGASS (1<<11)
#define TSAC2_KCLFRQ_MASK 0x0700
#define TSAC2_KCLFRQ_SHIFT 8
#define TSAC2_KCLLN_MASK 0x00F0
#define TSAC2_KCLLN_SHIFT 4
#define TSAC2_DLGAF (1<<3) /* r only */
#define TSAC2_DRGAF (1<<2) /* r only */
#define TSAC2_DASTC (1<<1)
#define TSAC2_ADGAF (1<<0) /* r only */
/* ts codec power control */
#define TSCPC_PAGE 2
#define TSCPC_ADDRESS 0x05
/* ts audio control 3 */
#define TSAC3_PAGE 2
#define TSAC3_ADDRESS 0x06
/* ts audio control 4 */
#define TSAC4_PAGE 2
#define TSAC4_ADDRESS 0x1d
/* ts audio control 5 */
#define TSAC5_PAGE 2
#define TSAC5_ADDRESS 0x1e
#endif
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