1 /* 2 * Copyright (C) 2008-2009 Texas Instruments Inc 3 * 4 * This program is free software; you can redistribute it and/or modify 5 * it under the terms of the GNU General Public License as published by 6 * the Free Software Foundation; either version 2 of the License, or 7 * (at your option) any later version. 8 * 9 * This program is distributed in the hope that it will be useful, 10 * but WITHOUT ANY WARRANTY; without even the implied warranty of 11 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 12 * GNU General Public License for more details. 13 * 14 * ccdc device API 15 */ 16 #ifndef _CCDC_HW_DEVICE_H 17 #define _CCDC_HW_DEVICE_H 18 19 #ifdef __KERNEL__ 20 #include <linux/videodev2.h> 21 #include <linux/device.h> 22 #include <media/davinci/vpfe_types.h> 23 #include <media/davinci/ccdc_types.h> 24 25 /* 26 * ccdc hw operations 27 */ 28 struct ccdc_hw_ops { 29 /* Pointer to initialize function to initialize ccdc device */ 30 int (*open) (struct device *dev); 31 /* Pointer to deinitialize function */ 32 int (*close) (struct device *dev); 33 /* set ccdc base address */ 34 void (*set_ccdc_base)(void *base, int size); 35 /* Pointer to function to enable or disable ccdc */ 36 void (*enable) (int en); 37 /* reset sbl. only for 6446 */ 38 void (*reset) (void); 39 /* enable output to sdram */ 40 void (*enable_out_to_sdram) (int en); 41 /* Pointer to function to set hw parameters */ 42 int (*set_hw_if_params) (struct vpfe_hw_if_param *param); 43 /* get interface parameters */ 44 int (*get_hw_if_params) (struct vpfe_hw_if_param *param); 45 /* Pointer to function to configure ccdc */ 46 int (*configure) (void); 47 48 /* Pointer to function to set buffer type */ 49 int (*set_buftype) (enum ccdc_buftype buf_type); 50 /* Pointer to function to get buffer type */ 51 enum ccdc_buftype (*get_buftype) (void); 52 /* Pointer to function to set frame format */ 53 int (*set_frame_format) (enum ccdc_frmfmt frm_fmt); 54 /* Pointer to function to get frame format */ 55 enum ccdc_frmfmt (*get_frame_format) (void); 56 /* enumerate hw pix formats */ 57 int (*enum_pix)(u32 *hw_pix, int i); 58 /* Pointer to function to set buffer type */ 59 u32 (*get_pixel_format) (void); 60 /* Pointer to function to get pixel format. */ 61 int (*set_pixel_format) (u32 pixfmt); 62 /* Pointer to function to set image window */ 63 int (*set_image_window) (struct v4l2_rect *win); 64 /* Pointer to function to set image window */ 65 void (*get_image_window) (struct v4l2_rect *win); 66 /* Pointer to function to get line length */ 67 unsigned int (*get_line_length) (void); 68 69 /* Pointer to function to set frame buffer address */ 70 void (*setfbaddr) (unsigned long addr); 71 /* Pointer to function to get field id */ 72 int (*getfid) (void); 73 }; 74 75 struct ccdc_hw_device { 76 /* ccdc device name */ 77 char name[32]; 78 /* module owner */ 79 struct module *owner; 80 /* hw ops */ 81 struct ccdc_hw_ops hw_ops; 82 }; 83 84 /* Used by CCDC module to register & unregister with vpfe capture driver */ 85 int vpfe_register_ccdc_device(const struct ccdc_hw_device *dev); 86 void vpfe_unregister_ccdc_device(const struct ccdc_hw_device *dev); 87 88 #endif 89 #endif 90