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