firmware/export/tsc2100.h

   1 /***************************************************************************
   2  *             __________               __   ___.
   3  *   Open      \______   \ ____   ____ |  | _\_ |__   _______  ___
   4  *   Source     |       _//  _ \_/ ___\|  |/ /| __ \ /  _ \  \/  /
   5  *   Jukebox    |    |   (  <_> )  \___|    < | \_\ (  <_> > <  <
   6  *   Firmware   |____|_  /\____/ \___  >__|_ \|___  /\____/__/\_ \
   7  *                     \/            \/     \/    \/            \/
   8  * $Id: $
   9  *
  10  * Copyright (C) 2007 by Jonathan Gordon
  11  *
  12  * All files in this archive are subject to the GNU General Public License.
  13  * See the file COPYING in the source tree root for full license agreement.
  14  *
  15  * This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY
  16  * KIND, either express or implied.
  17  *
  18  ****************************************************************************/
  19 #ifndef __TSC2100_H_
  20 #define __TSC2100_H_
  21
  22 /* Read X, Y, Z1, Z2 touchscreen coordinates. */
  23 void tsc2100_read_values(short *x, short* y, short *z1, short *z2);
  24
  25 /* read a register */
  26 short tsc2100_readreg(int page, int address);
  27 /* write a value to the register */
  28 void tsc2100_writereg(int page, int address, short value);
  29
  30 /* ts adc page defines (page 1, 00h ) (refer to page 40 of the datasheet) */
  31 #define TSADC_PAGE          1
  32 #define TSADC_ADDRESS       0x00
  33 #define TSADC_PSTCM         (1<<15)
  34 #define TSADC_ADST          (1<<14)
  35 #define TSADC_ADSCM_MASK    (0x3C00)
  36 #define TSADC_ADSCM_SHIFT   10
  37 #define TSADC_RESOL_MASK    (0x0300)
  38 #define TSADC_RESOL_SHIFT   8
  39 #define TSADC_ADAVG_MASK    (0x00C0)
  40 #define TSADC_ADAVG_SHIFT   6
  41 #define TSADC_ADCR_MASK     (0x0030)
  42 #define TSADC_ADCR_SHIFT    4
  43 #define TSADC_PVSTC_MASK    (0x000E)
  44 #define TSADC_PVSTC_SHIFT   1
  45 #define TSADC_AVGFS         (1<<0)
  46
  47 /* ts status page defines (page 1, 01h ) (refer to page 41 of the datasheet) */
  48 #define TSSTAT_PAGE             1
  49 #define TSSTAT_ADDRESS          0x01
  50 #define TSSTAT_PINTDAV_MASK     0xC000 /* controls the !PINTDAV pin */
  51 #define TSSTAT_PINTDAV_SHIFT    14
  52 /* these are all read only */
  53 #define TSSTAT_PWRDN            (1<<13)
  54 #define TSSTAT_HCTLM            (1<<12)
  55 #define TSSTAT_DAVAIL           (1<<11)
  56 #define TSSTAT_XSTAT            (1<<10)
  57 #define TSSTAT_YSTAT            (1<<9)
  58 #define TSSTAT_Z1STAT           (1<<8)
  59 #define TSSTAT_Z2STAT           (1<<7)
  60 #define TSSTAT_B1STAT           (1<<6)
  61 #define TSSTAT_B2STAT           (1<<5)
  62 #define TSSTAT_AXSTAT           (1<<4)
  63 // Bit 3 is reserved            (1<<3)
  64 #define TSSTAT_T1STAT           (1<<2)
  65 #define TSSTAT_T2STAT           (1<<1)
  66 // Bit 0 is reserved            (1<<0)
  67
  68 /* ts Reset Control */
  69 #define TSRESET_PAGE    1
  70 #define TSRESET_ADDRESS 0x04
  71 #define TSRESET_VALUE   0xBB00
  72
  73
  74
  75 /* ts audio control 2 */
  76 #define TSAC2_PAGE          2
  77 #define TSAC2_ADDRESS       0x04
  78 #define TSAC2_KCLEN         (1<<15)
  79 #define TSAC2_KCLAC_MASK    0x7000
  80 #define TSAC2_KCLSC_SHIFT   12
  81 #define TSAC2_APGASS        (1<<11)
  82 #define TSAC2_KCLFRQ_MASK   0x0700
  83 #define TSAC2_KCLFRQ_SHIFT  8
  84 #define TSAC2_KCLLN_MASK    0x00F0
  85 #define TSAC2_KCLLN_SHIFT   4
  86 #define TSAC2_DLGAF         (1<<3) /* r only */
  87 #define TSAC2_DRGAF         (1<<2) /* r only */
  88 #define TSAC2_DASTC         (1<<1)
  89 #define TSAC2_ADGAF         (1<<0) /* r only */
  90
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 104 #endif