include/media/davinci/vpss.h

   1 /*
   2  * Copyright (C) 2009 Texas Instruments Inc
   3  *
   4  * This program is free software; you can redistribute it and/or modify
   5  * it under the terms of the GNU General Public License as published by
   6  * the Free Software Foundation; either version 2 of the License, or
   7  * (at your option) any later version.
   8  *
   9  * This program is distributed in the hope that it will be useful,
  10  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  11  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  12  * GNU General Public License for more details.
  13  *
  14  * You should have received a copy of the GNU General Public License
  15  * along with this program; if not, write to the Free Software
  16  * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
  17  *
  18  * vpss - video processing subsystem module header file.
  19  *
  20  * Include this header file if a driver needs to configure vpss system
  21  * module. It exports a set of library functions  for video drivers to
  22  * configure vpss system module functions such as clock enable/disable,
  23  * vpss interrupt mux to arm, and other common vpss system module
  24  * functions.
  25  */
  26 #ifndef _VPSS_H
  27 #define _VPSS_H
  28
  29 /* selector for ccdc input selection on DM355 */
  30 enum vpss_ccdc_source_sel {
  31         VPSS_CCDCIN,
  32         VPSS_HSSIIN
  33 };
  34
  35 /* Used for enable/diable VPSS Clock */
  36 enum vpss_clock_sel {
  37         /* DM355/DM365 */
  38         VPSS_CCDC_CLOCK,
  39         VPSS_IPIPE_CLOCK,
  40         VPSS_H3A_CLOCK,
  41         VPSS_CFALD_CLOCK,
  42         /*
  43          * When using VPSS_VENC_CLOCK_SEL in vpss_enable_clock() api
  44          * following applies:-
  45          * en = 0 selects ENC_CLK
  46          * en = 1 selects ENC_CLK/2
  47          */
  48         VPSS_VENC_CLOCK_SEL,
  49         VPSS_VPBE_CLOCK,
  50 };
  51
  52 /* select input to ccdc on dm355 */
  53 int vpss_select_ccdc_source(enum vpss_ccdc_source_sel src_sel);
  54 /* enable/disable a vpss clock, 0 - success, -1 - failure */
  55 int vpss_enable_clock(enum vpss_clock_sel clock_sel, int en);
  56
  57 /* wbl reset for dm644x */
  58 enum vpss_wbl_sel {
  59         VPSS_PCR_AEW_WBL_0 = 16,
  60         VPSS_PCR_AF_WBL_0,
  61         VPSS_PCR_RSZ4_WBL_0,
  62         VPSS_PCR_RSZ3_WBL_0,
  63         VPSS_PCR_RSZ2_WBL_0,
  64         VPSS_PCR_RSZ1_WBL_0,
  65         VPSS_PCR_PREV_WBL_0,
  66         VPSS_PCR_CCDC_WBL_O,
  67 };
  68 int vpss_clear_wbl_overflow(enum vpss_wbl_sel wbl_sel);
  69 #endif