1 /* 2 * TI OMAP4 ISS V4L2 Driver - CSI PHY module 3 * 4 * Copyright (C) 2012 Texas Instruments, Inc. 5 * 6 * Author: Sergio Aguirre <sergio.a.aguirre@gmail.com> 7 * 8 * This program is free software; you can redistribute it and/or modify 9 * it under the terms of the GNU General Public License as published by 10 * the Free Software Foundation; either version 2 of the License, or 11 * (at your option) any later version. 12 */ 13 14 #ifndef OMAP4_ISS_CSI_PHY_H 15 #define OMAP4_ISS_CSI_PHY_H 16 17 #include <media/omap4iss.h> 18 19 struct iss_csi2_device; 20 21 struct iss_csiphy_dphy_cfg { 22 u8 ths_term; 23 u8 ths_settle; 24 u8 tclk_term; 25 unsigned tclk_miss:1; 26 u8 tclk_settle; 27 }; 28 29 struct iss_csiphy { 30 struct iss_device *iss; 31 struct mutex mutex; /* serialize csiphy configuration */ 32 u8 phy_in_use; 33 struct iss_csi2_device *csi2; 34 35 /* Pointer to register remaps into kernel space */ 36 void __iomem *cfg_regs; 37 void __iomem *phy_regs; 38 39 u8 max_data_lanes; /* number of CSI2 Data Lanes supported */ 40 u8 used_data_lanes; /* number of CSI2 Data Lanes used */ 41 struct iss_csiphy_lanes_cfg lanes; 42 struct iss_csiphy_dphy_cfg dphy; 43 }; 44 45 int omap4iss_csiphy_config(struct iss_device *iss, 46 struct v4l2_subdev *csi2_subdev); 47 int omap4iss_csiphy_acquire(struct iss_csiphy *phy); 48 void omap4iss_csiphy_release(struct iss_csiphy *phy); 49 int omap4iss_csiphy_init(struct iss_device *iss); 50 51 #endif /* OMAP4_ISS_CSI_PHY_H */ 52