drivers/media/video/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  * This program is distributed in the hope that it will be useful, but
  18  * WITHOUT ANY WARRANTY; without even the implied warranty of
  19  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  20  * General Public License for more details.
  21  *
  22  * You should have received a copy of the GNU General Public License
  23  * along with this program; if not, write to the Free Software
  24  * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA
  25  * 02110-1301 USA
  26  */
  27
  28 #ifndef OMAP3_ISP_H3A_H
  29 #define OMAP3_ISP_H3A_H
  30
  31 #include <linux/omap3isp.h>
  32
  33 /*
  34  * ----------
  35  * -H3A AEWB-
  36  * ----------
  37  */
  38
  39 #define AEWB_PACKET_SIZE        16
  40 #define AEWB_SATURATION_LIMIT   0x3ff
  41
  42 /* Flags for changed registers */
  43 #define PCR_CHNG                (1 << 0)
  44 #define AEWWIN1_CHNG            (1 << 1)
  45 #define AEWINSTART_CHNG         (1 << 2)
  46 #define AEWINBLK_CHNG           (1 << 3)
  47 #define AEWSUBWIN_CHNG          (1 << 4)
  48 #define PRV_WBDGAIN_CHNG        (1 << 5)
  49 #define PRV_WBGAIN_CHNG         (1 << 6)
  50
  51 /* ISPH3A REGISTERS bits */
  52 #define ISPH3A_PCR_AF_EN        (1 << 0)
  53 #define ISPH3A_PCR_AF_ALAW_EN   (1 << 1)
  54 #define ISPH3A_PCR_AF_MED_EN    (1 << 2)
  55 #define ISPH3A_PCR_AF_BUSY      (1 << 15)
  56 #define ISPH3A_PCR_AEW_EN       (1 << 16)
  57 #define ISPH3A_PCR_AEW_ALAW_EN  (1 << 17)
  58 #define ISPH3A_PCR_AEW_BUSY     (1 << 18)
  59 #define ISPH3A_PCR_AEW_MASK     (ISPH3A_PCR_AEW_ALAW_EN | \
  60                                  ISPH3A_PCR_AEW_AVE2LMT_MASK)
  61
  62 /*
  63  * --------
  64  * -H3A AF-
  65  * --------
  66  */
  67
  68 /* Peripheral Revision */
  69 #define AFPID                           0x0
  70
  71 #define AFCOEF_OFFSET                   0x00000004      /* COEF base address */
  72
  73 /* PCR fields */
  74 #define AF_BUSYAF                       (1 << 15)
  75 #define AF_FVMODE                       (1 << 14)
  76 #define AF_RGBPOS                       (0x7 << 11)
  77 #define AF_MED_TH                       (0xFF << 3)
  78 #define AF_MED_EN                       (1 << 2)
  79 #define AF_ALAW_EN                      (1 << 1)
  80 #define AF_EN                           (1 << 0)
  81 #define AF_PCR_MASK                     (AF_FVMODE | AF_RGBPOS | AF_MED_TH | \
  82                                          AF_MED_EN | AF_ALAW_EN)
  83
  84 /* AFPAX1 fields */
  85 #define AF_PAXW                         (0x7F << 16)
  86 #define AF_PAXH                         0x7F
  87
  88 /* AFPAX2 fields */
  89 #define AF_AFINCV                       (0xF << 13)
  90 #define AF_PAXVC                        (0x7F << 6)
  91 #define AF_PAXHC                        0x3F
  92
  93 /* AFPAXSTART fields */
  94 #define AF_PAXSH                        (0xFFF<<16)
  95 #define AF_PAXSV                        0xFFF
  96
  97 /* COEFFICIENT MASK */
  98 #define AF_COEF_MASK0                   0xFFF
  99 #define AF_COEF_MASK1                   (0xFFF<<16)
 100
 101 /* BIT SHIFTS */
 102 #define AF_RGBPOS_SHIFT                 11
 103 #define AF_MED_TH_SHIFT                 3
 104 #define AF_PAXW_SHIFT                   16
 105 #define AF_LINE_INCR_SHIFT              13
 106 #define AF_VT_COUNT_SHIFT               6
 107 #define AF_HZ_START_SHIFT               16
 108 #define AF_COEF_SHIFT                   16
 109
 110 /* Init and cleanup functions */
 111 int omap3isp_h3a_aewb_init(struct isp_device *isp);
 112 int omap3isp_h3a_af_init(struct isp_device *isp);
 113
 114 void omap3isp_h3a_aewb_cleanup(struct isp_device *isp);
 115 void omap3isp_h3a_af_cleanup(struct isp_device *isp);
 116
 117 #endif /* OMAP3_ISP_H3A_H */