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Diffstat (limited to 'include/media/omap3isp.h')
| -rw-r--r-- | include/media/omap3isp.h | 158 |
1 files changed, 158 insertions, 0 deletions
diff --git a/include/media/omap3isp.h b/include/media/omap3isp.h new file mode 100644 index 000000000..048f8f911 --- /dev/null +++ b/include/media/omap3isp.h @@ -0,0 +1,158 @@ +/* + * 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__ */ |