LXR linux/drivers/media/platform/omap3isp/isph3a.h

   1/*
   2 * isph3a.h
   3 *
   4 * TI OMAP3 ISP - H3A AF module
   5 *
   6 * Copyright (C) 2010 Nokia Corporation
   7 * Copyright (C) 2009 Texas Instruments, Inc.
   8 *
   9 * Contacts: David Cohen <dacohen@gmail.com>
  10 *           Laurent Pinchart <laurent.pinchart@ideasonboard.com>
  11 *           Sakari Ailus <sakari.ailus@iki.fi>
  12 *
  13 * This program is free software; you can redistribute it and/or modify
  14 * it under the terms of the GNU General Public License version 2 as
  15 * published by the Free Software Foundation.
  16 */
  17
  18#ifndef OMAP3_ISP_H3A_H
  19#define OMAP3_ISP_H3A_H
  20
  21#include <linux/omap3isp.h>
  22
  23/*
  24 * ----------
  25 * -H3A AEWB-
  26 * ----------
  27 */
  28
  29#define AEWB_PACKET_SIZE        16
  30#define AEWB_SATURATION_LIMIT   0x3ff
  31
  32/* Flags for changed registers */
  33#define PCR_CHNG                (1 << 0)
  34#define AEWWIN1_CHNG            (1 << 1)
  35#define AEWINSTART_CHNG         (1 << 2)
  36#define AEWINBLK_CHNG           (1 << 3)
  37#define AEWSUBWIN_CHNG          (1 << 4)
  38#define PRV_WBDGAIN_CHNG        (1 << 5)
  39#define PRV_WBGAIN_CHNG         (1 << 6)
  40
  41/* ISPH3A REGISTERS bits */
  42#define ISPH3A_PCR_AF_EN        (1 << 0)
  43#define ISPH3A_PCR_AF_ALAW_EN   (1 << 1)
  44#define ISPH3A_PCR_AF_MED_EN    (1 << 2)
  45#define ISPH3A_PCR_AF_BUSY      (1 << 15)
  46#define ISPH3A_PCR_AEW_EN       (1 << 16)
  47#define ISPH3A_PCR_AEW_ALAW_EN  (1 << 17)
  48#define ISPH3A_PCR_AEW_BUSY     (1 << 18)
  49#define ISPH3A_PCR_AEW_MASK     (ISPH3A_PCR_AEW_ALAW_EN | \
  50                                 ISPH3A_PCR_AEW_AVE2LMT_MASK)
  51
  52/*
  53 * --------
  54 * -H3A AF-
  55 * --------
  56 */
  57
  58/* Peripheral Revision */
  59#define AFPID                           0x0
  60
  61#define AFCOEF_OFFSET                   0x00000004      /* COEF base address */
  62
  63/* PCR fields */
  64#define AF_BUSYAF                       (1 << 15)
  65#define AF_FVMODE                       (1 << 14)
  66#define AF_RGBPOS                       (0x7 << 11)
  67#define AF_MED_TH                       (0xFF << 3)
  68#define AF_MED_EN                       (1 << 2)
  69#define AF_ALAW_EN                      (1 << 1)
  70#define AF_EN                           (1 << 0)
  71#define AF_PCR_MASK                     (AF_FVMODE | AF_RGBPOS | AF_MED_TH | \
  72                                         AF_MED_EN | AF_ALAW_EN)
  73
  74/* AFPAX1 fields */
  75#define AF_PAXW                         (0x7F << 16)
  76#define AF_PAXH                         0x7F
  77
  78/* AFPAX2 fields */
  79#define AF_AFINCV                       (0xF << 13)
  80#define AF_PAXVC                        (0x7F << 6)
  81#define AF_PAXHC                        0x3F
  82
  83/* AFPAXSTART fields */
  84#define AF_PAXSH                        (0xFFF<<16)
  85#define AF_PAXSV                        0xFFF
  86
  87/* COEFFICIENT MASK */
  88#define AF_COEF_MASK0                   0xFFF
  89#define AF_COEF_MASK1                   (0xFFF<<16)
  90
  91/* BIT SHIFTS */
  92#define AF_RGBPOS_SHIFT                 11
  93#define AF_MED_TH_SHIFT                 3
  94#define AF_PAXW_SHIFT                   16
  95#define AF_LINE_INCR_SHIFT              13
  96#define AF_VT_COUNT_SHIFT               6
  97#define AF_HZ_START_SHIFT               16
  98#define AF_COEF_SHIFT                   16
  99
 100/* Init and cleanup functions */
 101int omap3isp_h3a_aewb_init(struct isp_device *isp);
 102int omap3isp_h3a_af_init(struct isp_device *isp);
 103
 104void omap3isp_h3a_aewb_cleanup(struct isp_device *isp);
 105void omap3isp_h3a_af_cleanup(struct isp_device *isp);
 106
 107#endif /* OMAP3_ISP_H3A_H */
 108