1/* 2 * omap3isp.h 3 * 4 * TI OMAP3 ISP - Platform data 5 * 6 * Copyright (C) 2011 Nokia Corporation 7 * 8 * Contacts: Laurent Pinchart <laurent.pinchart@ideasonboard.com> 9 * Sakari Ailus <sakari.ailus@iki.fi> 10 * 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. 14 * 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. 19 * 20 * You should have received a copy of the GNU General Public License 21 * along with this program; if not, write to the Free Software 22 * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 23 * 02110-1301 USA 24 */ 25 26#ifndef __MEDIA_OMAP3ISP_H__ 27#define __MEDIA_OMAP3ISP_H__ 28 29struct i2c_board_info; 30struct isp_device; 31 32enum isp_interface_type { 33 ISP_INTERFACE_PARALLEL, 34 ISP_INTERFACE_CSI2A_PHY2, 35 ISP_INTERFACE_CCP2B_PHY1, 36 ISP_INTERFACE_CCP2B_PHY2, 37 ISP_INTERFACE_CSI2C_PHY1, 38}; 39 40enum { 41 ISP_LANE_SHIFT_0 = 0, 42 ISP_LANE_SHIFT_2 = 1, 43 ISP_LANE_SHIFT_4 = 2, 44 ISP_LANE_SHIFT_6 = 3, 45}; 46 47/** 48 * struct isp_parallel_cfg - Parallel interface configuration 49 * @data_lane_shift: Data lane shifter 50 * ISP_LANE_SHIFT_0 - CAMEXT[13:0] -> CAM[13:0] 51 * ISP_LANE_SHIFT_2 - CAMEXT[13:2] -> CAM[11:0] 52 * ISP_LANE_SHIFT_4 - CAMEXT[13:4] -> CAM[9:0] 53 * ISP_LANE_SHIFT_6 - CAMEXT[13:6] -> CAM[7:0] 54 * @clk_pol: Pixel clock polarity 55 * 0 - Sample on rising edge, 1 - Sample on falling edge 56 * @hs_pol: Horizontal synchronization polarity 57 * 0 - Active high, 1 - Active low 58 * @vs_pol: Vertical synchronization polarity 59 * 0 - Active high, 1 - Active low 60 * @fld_pol: Field signal polarity 61 * 0 - Positive, 1 - Negative 62 * @data_pol: Data polarity 63 * 0 - Normal, 1 - One's complement 64 */ 65struct isp_parallel_cfg { 66 unsigned int data_lane_shift:2; 67 unsigned int clk_pol:1; 68 unsigned int hs_pol:1; 69 unsigned int vs_pol:1; 70 unsigned int fld_pol:1; 71 unsigned int data_pol:1; 72}; 73 74enum { 75 ISP_CCP2_PHY_DATA_CLOCK = 0, 76 ISP_CCP2_PHY_DATA_STROBE = 1, 77}; 78 79enum { 80 ISP_CCP2_MODE_MIPI = 0, 81 ISP_CCP2_MODE_CCP2 = 1, 82}; 83 84/** 85 * struct isp_csiphy_lane: CCP2/CSI2 lane position and polarity 86 * @pos: position of the lane 87 * @pol: polarity of the lane 88 */ 89struct isp_csiphy_lane { 90 u8 pos; 91 u8 pol; 92}; 93 94#define ISP_CSIPHY1_NUM_DATA_LANES 1 95#define ISP_CSIPHY2_NUM_DATA_LANES 2 96 97/** 98 * struct isp_csiphy_lanes_cfg - CCP2/CSI2 lane configuration 99 * @data: Configuration of one or two data lanes 100 * @clk: Clock lane configuration 101 */ 102struct isp_csiphy_lanes_cfg { 103 struct isp_csiphy_lane data[ISP_CSIPHY2_NUM_DATA_LANES]; 104 struct isp_csiphy_lane clk; 105}; 106 107/** 108 * struct isp_ccp2_cfg - CCP2 interface configuration 109 * @strobe_clk_pol: Strobe/clock polarity 110 * 0 - Non Inverted, 1 - Inverted 111 * @crc: Enable the cyclic redundancy check 112 * @ccp2_mode: Enable CCP2 compatibility mode 113 * ISP_CCP2_MODE_MIPI - MIPI-CSI1 mode 114 * ISP_CCP2_MODE_CCP2 - CCP2 mode 115 * @phy_layer: Physical layer selection 116 * ISP_CCP2_PHY_DATA_CLOCK - Data/clock physical layer 117 * ISP_CCP2_PHY_DATA_STROBE - Data/strobe physical layer 118 * @vpclk_div: Video port output clock control 119 */ 120struct isp_ccp2_cfg { 121 unsigned int strobe_clk_pol:1; 122 unsigned int crc:1; 123 unsigned int ccp2_mode:1; 124 unsigned int phy_layer:1; 125 unsigned int vpclk_div:2; 126 struct isp_csiphy_lanes_cfg lanecfg; 127}; 128 129/** 130 * struct isp_csi2_cfg - CSI2 interface configuration 131 * @crc: Enable the cyclic redundancy check 132 */ 133struct isp_csi2_cfg { 134 unsigned crc:1; 135 struct isp_csiphy_lanes_cfg lanecfg; 136}; 137 138struct isp_bus_cfg { 139 enum isp_interface_type interface; 140 union { 141 struct isp_parallel_cfg parallel; 142 struct isp_ccp2_cfg ccp2; 143 struct isp_csi2_cfg csi2; 144 } bus; /* gcc < 4.6.0 chokes on anonymous union initializers */ 145}; 146 147struct isp_platform_subdev { 148 struct i2c_board_info *board_info; 149 int i2c_adapter_id; 150 struct isp_bus_cfg *bus; 151}; 152 153struct isp_platform_data { 154 struct isp_platform_subdev *subdevs; 155 void (*set_constraints)(struct isp_device *isp, bool enable); 156}; 157 158#endif /* __MEDIA_OMAP3ISP_H__ */ 159