1/* SPDX-License-Identifier: GPL-2.0-only */
  2/*
  3 * isph3a.h
  4 *
  5 * TI OMAP3 ISP - H3A AF module
  6 *
  7 * Copyright (C) 2010 Nokia Corporation
  8 * Copyright (C) 2009 Texas Instruments, Inc.
  9 *
 10 * Contacts: David Cohen <dacohen@gmail.com>
 11 *	     Laurent Pinchart <laurent.pinchart@ideasonboard.com>
 12 *	     Sakari Ailus <sakari.ailus@iki.fi>
 13 */
 14
 15#ifndef OMAP3_ISP_H3A_H
 16#define OMAP3_ISP_H3A_H
 17
 18#include <linux/omap3isp.h>
 19
 20/*
 21 * ----------
 22 * -H3A AEWB-
 23 * ----------
 24 */
 25
 26#define AEWB_PACKET_SIZE	16
 27#define AEWB_SATURATION_LIMIT	0x3ff
 28
 29/* Flags for changed registers */
 30#define PCR_CHNG		(1 << 0)
 31#define AEWWIN1_CHNG		(1 << 1)
 32#define AEWINSTART_CHNG		(1 << 2)
 33#define AEWINBLK_CHNG		(1 << 3)
 34#define AEWSUBWIN_CHNG		(1 << 4)
 35#define PRV_WBDGAIN_CHNG	(1 << 5)
 36#define PRV_WBGAIN_CHNG		(1 << 6)
 37
 38/* ISPH3A REGISTERS bits */
 39#define ISPH3A_PCR_AF_EN	(1 << 0)
 40#define ISPH3A_PCR_AF_ALAW_EN	(1 << 1)
 41#define ISPH3A_PCR_AF_MED_EN	(1 << 2)
 42#define ISPH3A_PCR_AF_BUSY	(1 << 15)
 43#define ISPH3A_PCR_AEW_EN	(1 << 16)
 44#define ISPH3A_PCR_AEW_ALAW_EN	(1 << 17)
 45#define ISPH3A_PCR_AEW_BUSY	(1 << 18)
 46#define ISPH3A_PCR_AEW_MASK	(ISPH3A_PCR_AEW_ALAW_EN | \
 47				 ISPH3A_PCR_AEW_AVE2LMT_MASK)
 48
 49/*
 50 * --------
 51 * -H3A AF-
 52 * --------
 53 */
 54
 55/* Peripheral Revision */
 56#define AFPID				0x0
 57
 58#define AFCOEF_OFFSET			0x00000004	/* COEF base address */
 59
 60/* PCR fields */
 61#define AF_BUSYAF			(1 << 15)
 62#define AF_FVMODE			(1 << 14)
 63#define AF_RGBPOS			(0x7 << 11)
 64#define AF_MED_TH			(0xFF << 3)
 65#define AF_MED_EN			(1 << 2)
 66#define AF_ALAW_EN			(1 << 1)
 67#define AF_EN				(1 << 0)
 68#define AF_PCR_MASK			(AF_FVMODE | AF_RGBPOS | AF_MED_TH | \
 69					 AF_MED_EN | AF_ALAW_EN)
 70
 71/* AFPAX1 fields */
 72#define AF_PAXW				(0x7F << 16)
 73#define AF_PAXH				0x7F
 74
 75/* AFPAX2 fields */
 76#define AF_AFINCV			(0xF << 13)
 77#define AF_PAXVC			(0x7F << 6)
 78#define AF_PAXHC			0x3F
 79
 80/* AFPAXSTART fields */
 81#define AF_PAXSH			(0xFFF<<16)
 82#define AF_PAXSV			0xFFF
 83
 84/* COEFFICIENT MASK */
 85#define AF_COEF_MASK0			0xFFF
 86#define AF_COEF_MASK1			(0xFFF<<16)
 87
 88/* BIT SHIFTS */
 89#define AF_RGBPOS_SHIFT			11
 90#define AF_MED_TH_SHIFT			3
 91#define AF_PAXW_SHIFT			16
 92#define AF_LINE_INCR_SHIFT		13
 93#define AF_VT_COUNT_SHIFT		6
 94#define AF_HZ_START_SHIFT		16
 95#define AF_COEF_SHIFT			16
 96
 97/* Init and cleanup functions */
 98int omap3isp_h3a_aewb_init(struct isp_device *isp);
 99int omap3isp_h3a_af_init(struct isp_device *isp);
100
101void omap3isp_h3a_aewb_cleanup(struct isp_device *isp);
102void omap3isp_h3a_af_cleanup(struct isp_device *isp);
103
104#endif /* OMAP3_ISP_H3A_H */