1 /* 2 * ispcsiphy.h 3 * 4 * TI OMAP3 ISP - CSI PHY module 5 * 6 * Copyright (C) 2010 Nokia Corporation 7 * Copyright (C) 2009 Texas Instruments, Inc. 8 * 9 * Contacts: Laurent Pinchart <laurent.pinchart@ideasonboard.com> 10 * Sakari Ailus <sakari.ailus@iki.fi> 11 * 12 * This program is free software; you can redistribute it and/or modify 13 * it under the terms of the GNU General Public License version 2 as 14 * published by the Free Software Foundation. 15 * 16 * This program is distributed in the hope that it will be useful, but 17 * WITHOUT ANY WARRANTY; without even the implied warranty of 18 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU 19 * General Public License for more details. 20 * 21 * You should have received a copy of the GNU General Public License 22 * along with this program; if not, write to the Free Software 23 * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 24 * 02110-1301 USA 25 */ 26 27 #ifndef OMAP3_ISP_CSI_PHY_H 28 #define OMAP3_ISP_CSI_PHY_H 29 30 struct isp_csi2_device; 31 struct regulator; 32 33 struct csiphy_lane { 34 u8 pos; 35 u8 pol; 36 }; 37 38 #define ISP_CSIPHY2_NUM_DATA_LANES 2 39 #define ISP_CSIPHY1_NUM_DATA_LANES 1 40 41 struct isp_csiphy_lanes_cfg { 42 struct csiphy_lane data[ISP_CSIPHY2_NUM_DATA_LANES]; 43 struct csiphy_lane clk; 44 }; 45 46 struct isp_csiphy_dphy_cfg { 47 u8 ths_term; 48 u8 ths_settle; 49 u8 tclk_term; 50 unsigned tclk_miss:1; 51 u8 tclk_settle; 52 }; 53 54 struct isp_csiphy { 55 struct isp_device *isp; 56 struct mutex mutex; /* serialize csiphy configuration */ 57 u8 phy_in_use; 58 struct isp_csi2_device *csi2; 59 struct regulator *vdd; 60 61 /* mem resources - enums as defined in enum isp_mem_resources */ 62 unsigned int cfg_regs; 63 unsigned int phy_regs; 64 65 u8 num_data_lanes; /* number of CSI2 Data Lanes supported */ 66 struct isp_csiphy_lanes_cfg lanes; 67 struct isp_csiphy_dphy_cfg dphy; 68 }; 69 70 int omap3isp_csiphy_acquire(struct isp_csiphy *phy); 71 void omap3isp_csiphy_release(struct isp_csiphy *phy); 72 int omap3isp_csiphy_init(struct isp_device *isp); 73 74 #endif /* OMAP3_ISP_CSI_PHY_H */ 75