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 */
98 int omap3isp_h3a_aewb_init(struct isp_device *isp);
99 int omap3isp_h3a_af_init(struct isp_device *isp);
100 
101 void omap3isp_h3a_aewb_cleanup(struct isp_device *isp);
102 void omap3isp_h3a_af_cleanup(struct isp_device *isp);
103 
104 #endif /* OMAP3_ISP_H3A_H */
105