tjh.dev
Linux kernel mirror (for testing)
git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
kernel
os
linux
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 */
111int omap3isp_h3a_aewb_init(struct isp_device *isp);
112int omap3isp_h3a_af_init(struct isp_device *isp);
113
114void omap3isp_h3a_aewb_cleanup(struct isp_device *isp);
115void omap3isp_h3a_af_cleanup(struct isp_device *isp);
116
117#endif /* OMAP3_ISP_H3A_H */