Edit File: vpbe.h
/* * Copyright (C) 2010 Texas Instruments Inc * * This program is free software; you can redistribute it and/or modify * it under the terms of the GNU General Public License as published by * the Free Software Foundation version 2. * * 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., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA */ #ifndef _VPBE_H #define _VPBE_H #include <linux/videodev2.h> #include <linux/i2c.h> #include <media/v4l2-dev.h> #include <media/v4l2-ioctl.h> #include <media/v4l2-device.h> #include <media/davinci/vpbe_osd.h> #include <media/davinci/vpbe_venc.h> #include <media/davinci/vpbe_types.h> /* OSD configuration info */ struct osd_config_info { char module_name[32]; }; struct vpbe_output { struct v4l2_output output; /* * If output capabilities include dv_timings, list supported timings * below */ char *subdev_name; /* * defualt_mode identifies the default timings set at the venc or * external encoder. */ char *default_mode; /* * Fields below are used for supporting multiple modes. For example, * LCD panel might support different modes and they are listed here. * Similarly for supporting external encoders, lcd controller port * requires a set of non-standard timing values to be listed here for * each supported mode since venc is used in non-standard timing mode * for interfacing with external encoder similar to configuring lcd * panel timings */ unsigned int num_modes; struct vpbe_enc_mode_info *modes; /* * Bus configuration goes here for external encoders. Some encoders * may require multiple interface types for each of the output. For * example, SD modes would use YCC8 where as HD mode would use YCC16. * Not sure if this is needed on a per mode basis instead of per * output basis. If per mode is needed, we may have to move this to * mode_info structure */ enum v4l2_mbus_pixelcode if_params; }; /* encoder configuration info */ struct encoder_config_info { char module_name[32]; /* Is this an i2c device ? */ unsigned int is_i2c:1; /* i2c subdevice board info */ struct i2c_board_info board_info; }; /*amplifier configuration info */ struct amp_config_info { char module_name[32]; /* Is this an i2c device ? */ unsigned int is_i2c:1; /* i2c subdevice board info */ struct i2c_board_info board_info; }; /* structure for defining vpbe display subsystem components */ struct vpbe_config { char module_name[32]; /* i2c bus adapter no */ int i2c_adapter_id; struct osd_config_info osd; struct encoder_config_info venc; /* external encoder information goes here */ int num_ext_encoders; struct encoder_config_info *ext_encoders; /* amplifier information goes here */ struct amp_config_info *amp; int num_outputs; /* Order is venc outputs followed by LCD and then external encoders */ struct vpbe_output *outputs; }; struct vpbe_device; struct vpbe_device_ops { /* crop cap for the display */ int (*g_cropcap)(struct vpbe_device *vpbe_dev, struct v4l2_cropcap *cropcap); /* Enumerate the outputs */ int (*enum_outputs)(struct vpbe_device *vpbe_dev, struct v4l2_output *output); /* Set output to the given index */ int (*set_output)(struct vpbe_device *vpbe_dev, int index); /* Get current output */ unsigned int (*get_output)(struct vpbe_device *vpbe_dev); /* Set DV preset at current output */ int (*s_dv_timings)(struct vpbe_device *vpbe_dev, struct v4l2_dv_timings *dv_timings); /* Get DV presets supported at the output */ int (*g_dv_timings)(struct vpbe_device *vpbe_dev, struct v4l2_dv_timings *dv_timings); /* Enumerate the DV Presets supported at the output */ int (*enum_dv_timings)(struct vpbe_device *vpbe_dev, struct v4l2_enum_dv_timings *timings_info); /* Set std at the output */ int (*s_std)(struct vpbe_device *vpbe_dev, v4l2_std_id std_id); /* Get the current std at the output */ int (*g_std)(struct vpbe_device *vpbe_dev, v4l2_std_id *std_id); /* initialize the device */ int (*initialize)(struct device *dev, struct vpbe_device *vpbe_dev); /* De-initialize the device */ void (*deinitialize)(struct device *dev, struct vpbe_device *vpbe_dev); /* Get the current mode info */ int (*get_mode_info)(struct vpbe_device *vpbe_dev, struct vpbe_enc_mode_info*); /* * Set the current mode in the encoder. Alternate way of setting * standard or DV preset or custom timings in the encoder */ int (*set_mode)(struct vpbe_device *vpbe_dev, struct vpbe_enc_mode_info*); /* Power management operations */ int (*suspend)(struct vpbe_device *vpbe_dev); int (*resume)(struct vpbe_device *vpbe_dev); }; /* struct for vpbe device */ struct vpbe_device { /* V4l2 device */ struct v4l2_device v4l2_dev; /* vpbe dispay controller cfg */ struct vpbe_config *cfg; /* parent device */ struct device *pdev; /* external encoder v4l2 sub devices */ struct v4l2_subdev **encoders; /* current encoder index */ int current_sd_index; /* external amplifier v4l2 subdevice */ struct v4l2_subdev *amp; struct mutex lock; /* device initialized */ int initialized; /* vpbe dac clock */ struct clk *dac_clk; /* osd_device pointer */ struct osd_state *osd_device; /* venc device pointer */ struct venc_platform_data *venc_device; /* * fields below are accessed by users of vpbe_device. Not the * ones above */ /* current output */ int current_out_index; /* lock used by caller to do atomic operation on vpbe device */ /* current timings set in the controller */ struct vpbe_enc_mode_info current_timings; /* venc sub device */ struct v4l2_subdev *venc; /* device operations below */ struct vpbe_device_ops ops; }; #endif