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 */
105