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authorAndré Fabian Silva Delgado <emulatorman@parabola.nu>2015-08-05 17:04:01 -0300
committerAndré Fabian Silva Delgado <emulatorman@parabola.nu>2015-08-05 17:04:01 -0300
commit57f0f512b273f60d52568b8c6b77e17f5636edc0 (patch)
tree5e910f0e82173f4ef4f51111366a3f1299037a7b /include/media/omap3isp.h
Initial import
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+/*
+ * omap3isp.h
+ *
+ * TI OMAP3 ISP - Platform data
+ *
+ * Copyright (C) 2011 Nokia Corporation
+ *
+ * Contacts: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
+ * Sakari Ailus <sakari.ailus@iki.fi>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ *
+ * This program is distributed in the hope that it will be useful, but
+ * WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ * General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA
+ * 02110-1301 USA
+ */
+
+#ifndef __MEDIA_OMAP3ISP_H__
+#define __MEDIA_OMAP3ISP_H__
+
+struct i2c_board_info;
+struct isp_device;
+
+enum isp_interface_type {
+ ISP_INTERFACE_PARALLEL,
+ ISP_INTERFACE_CSI2A_PHY2,
+ ISP_INTERFACE_CCP2B_PHY1,
+ ISP_INTERFACE_CCP2B_PHY2,
+ ISP_INTERFACE_CSI2C_PHY1,
+};
+
+enum {
+ ISP_LANE_SHIFT_0 = 0,
+ ISP_LANE_SHIFT_2 = 1,
+ ISP_LANE_SHIFT_4 = 2,
+ ISP_LANE_SHIFT_6 = 3,
+};
+
+/**
+ * struct isp_parallel_cfg - Parallel interface configuration
+ * @data_lane_shift: Data lane shifter
+ * ISP_LANE_SHIFT_0 - CAMEXT[13:0] -> CAM[13:0]
+ * ISP_LANE_SHIFT_2 - CAMEXT[13:2] -> CAM[11:0]
+ * ISP_LANE_SHIFT_4 - CAMEXT[13:4] -> CAM[9:0]
+ * ISP_LANE_SHIFT_6 - CAMEXT[13:6] -> CAM[7:0]
+ * @clk_pol: Pixel clock polarity
+ * 0 - Sample on rising edge, 1 - Sample on falling edge
+ * @hs_pol: Horizontal synchronization polarity
+ * 0 - Active high, 1 - Active low
+ * @vs_pol: Vertical synchronization polarity
+ * 0 - Active high, 1 - Active low
+ * @fld_pol: Field signal polarity
+ * 0 - Positive, 1 - Negative
+ * @data_pol: Data polarity
+ * 0 - Normal, 1 - One's complement
+ */
+struct isp_parallel_cfg {
+ unsigned int data_lane_shift:2;
+ unsigned int clk_pol:1;
+ unsigned int hs_pol:1;
+ unsigned int vs_pol:1;
+ unsigned int fld_pol:1;
+ unsigned int data_pol:1;
+};
+
+enum {
+ ISP_CCP2_PHY_DATA_CLOCK = 0,
+ ISP_CCP2_PHY_DATA_STROBE = 1,
+};
+
+enum {
+ ISP_CCP2_MODE_MIPI = 0,
+ ISP_CCP2_MODE_CCP2 = 1,
+};
+
+/**
+ * struct isp_csiphy_lane: CCP2/CSI2 lane position and polarity
+ * @pos: position of the lane
+ * @pol: polarity of the lane
+ */
+struct isp_csiphy_lane {
+ u8 pos;
+ u8 pol;
+};
+
+#define ISP_CSIPHY1_NUM_DATA_LANES 1
+#define ISP_CSIPHY2_NUM_DATA_LANES 2
+
+/**
+ * struct isp_csiphy_lanes_cfg - CCP2/CSI2 lane configuration
+ * @data: Configuration of one or two data lanes
+ * @clk: Clock lane configuration
+ */
+struct isp_csiphy_lanes_cfg {
+ struct isp_csiphy_lane data[ISP_CSIPHY2_NUM_DATA_LANES];
+ struct isp_csiphy_lane clk;
+};
+
+/**
+ * struct isp_ccp2_cfg - CCP2 interface configuration
+ * @strobe_clk_pol: Strobe/clock polarity
+ * 0 - Non Inverted, 1 - Inverted
+ * @crc: Enable the cyclic redundancy check
+ * @ccp2_mode: Enable CCP2 compatibility mode
+ * ISP_CCP2_MODE_MIPI - MIPI-CSI1 mode
+ * ISP_CCP2_MODE_CCP2 - CCP2 mode
+ * @phy_layer: Physical layer selection
+ * ISP_CCP2_PHY_DATA_CLOCK - Data/clock physical layer
+ * ISP_CCP2_PHY_DATA_STROBE - Data/strobe physical layer
+ * @vpclk_div: Video port output clock control
+ */
+struct isp_ccp2_cfg {
+ unsigned int strobe_clk_pol:1;
+ unsigned int crc:1;
+ unsigned int ccp2_mode:1;
+ unsigned int phy_layer:1;
+ unsigned int vpclk_div:2;
+ struct isp_csiphy_lanes_cfg lanecfg;
+};
+
+/**
+ * struct isp_csi2_cfg - CSI2 interface configuration
+ * @crc: Enable the cyclic redundancy check
+ */
+struct isp_csi2_cfg {
+ unsigned crc:1;
+ struct isp_csiphy_lanes_cfg lanecfg;
+};
+
+struct isp_bus_cfg {
+ enum isp_interface_type interface;
+ union {
+ struct isp_parallel_cfg parallel;
+ struct isp_ccp2_cfg ccp2;
+ struct isp_csi2_cfg csi2;
+ } bus; /* gcc < 4.6.0 chokes on anonymous union initializers */
+};
+
+struct isp_platform_subdev {
+ struct i2c_board_info *board_info;
+ int i2c_adapter_id;
+ struct isp_bus_cfg *bus;
+};
+
+struct isp_platform_data {
+ struct isp_platform_subdev *subdevs;
+ void (*set_constraints)(struct isp_device *isp, bool enable);
+};
+
+#endif /* __MEDIA_OMAP3ISP_H__ */