4 * TI OMAP3 ISP - Bus Configuration
6 * Copyright (C) 2011 Nokia Corporation
8 * Contacts: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
9 * Sakari Ailus <sakari.ailus@iki.fi>
11 * This program is free software; you can redistribute it and/or modify
12 * it under the terms of the GNU General Public License version 2 as
13 * published by the Free Software Foundation.
15 * This program is distributed in the hope that it will be useful, but
16 * WITHOUT ANY WARRANTY; without even the implied warranty of
17 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
18 * General Public License for more details.
21 #ifndef __OMAP3ISP_H__
22 #define __OMAP3ISP_H__
24 enum isp_interface_type {
25 ISP_INTERFACE_PARALLEL,
26 ISP_INTERFACE_CSI2A_PHY2,
27 ISP_INTERFACE_CCP2B_PHY1,
28 ISP_INTERFACE_CCP2B_PHY2,
29 ISP_INTERFACE_CSI2C_PHY1,
33 * struct isp_parallel_cfg - Parallel interface configuration
34 * @data_lane_shift: Data lane shifter
35 * 0 - CAMEXT[13:0] -> CAM[13:0]
36 * 1 - CAMEXT[13:2] -> CAM[11:0]
37 * 2 - CAMEXT[13:4] -> CAM[9:0]
38 * 3 - CAMEXT[13:6] -> CAM[7:0]
39 * @clk_pol: Pixel clock polarity
40 * 0 - Sample on rising edge, 1 - Sample on falling edge
41 * @hs_pol: Horizontal synchronization polarity
42 * 0 - Active high, 1 - Active low
43 * @vs_pol: Vertical synchronization polarity
44 * 0 - Active high, 1 - Active low
45 * @fld_pol: Field signal polarity
46 * 0 - Positive, 1 - Negative
47 * @data_pol: Data polarity
48 * 0 - Normal, 1 - One's complement
50 struct isp_parallel_cfg {
51 unsigned int data_lane_shift:2;
52 unsigned int clk_pol:1;
53 unsigned int hs_pol:1;
54 unsigned int vs_pol:1;
55 unsigned int fld_pol:1;
56 unsigned int data_pol:1;
60 ISP_CCP2_PHY_DATA_CLOCK = 0,
61 ISP_CCP2_PHY_DATA_STROBE = 1,
65 ISP_CCP2_MODE_MIPI = 0,
66 ISP_CCP2_MODE_CCP2 = 1,
70 * struct isp_csiphy_lane: CCP2/CSI2 lane position and polarity
71 * @pos: position of the lane
72 * @pol: polarity of the lane
74 struct isp_csiphy_lane {
79 #define ISP_CSIPHY1_NUM_DATA_LANES 1
80 #define ISP_CSIPHY2_NUM_DATA_LANES 2
83 * struct isp_csiphy_lanes_cfg - CCP2/CSI2 lane configuration
84 * @data: Configuration of one or two data lanes
85 * @clk: Clock lane configuration
87 struct isp_csiphy_lanes_cfg {
88 struct isp_csiphy_lane data[ISP_CSIPHY2_NUM_DATA_LANES];
89 struct isp_csiphy_lane clk;
93 * struct isp_ccp2_cfg - CCP2 interface configuration
94 * @strobe_clk_pol: Strobe/clock polarity
95 * 0 - Non Inverted, 1 - Inverted
96 * @crc: Enable the cyclic redundancy check
97 * @ccp2_mode: Enable CCP2 compatibility mode
98 * ISP_CCP2_MODE_MIPI - MIPI-CSI1 mode
99 * ISP_CCP2_MODE_CCP2 - CCP2 mode
100 * @phy_layer: Physical layer selection
101 * ISP_CCP2_PHY_DATA_CLOCK - Data/clock physical layer
102 * ISP_CCP2_PHY_DATA_STROBE - Data/strobe physical layer
103 * @vpclk_div: Video port output clock control
105 struct isp_ccp2_cfg {
106 unsigned int strobe_clk_pol:1;
108 unsigned int ccp2_mode:1;
109 unsigned int phy_layer:1;
110 unsigned int vpclk_div:2;
111 struct isp_csiphy_lanes_cfg lanecfg;
115 * struct isp_csi2_cfg - CSI2 interface configuration
116 * @crc: Enable the cyclic redundancy check
118 struct isp_csi2_cfg {
120 struct isp_csiphy_lanes_cfg lanecfg;
124 enum isp_interface_type interface;
126 struct isp_parallel_cfg parallel;
127 struct isp_ccp2_cfg ccp2;
128 struct isp_csi2_cfg csi2;
129 } bus; /* gcc < 4.6.0 chokes on anonymous union initializers */
132 #endif /* __OMAP3ISP_H__ */