mirror of
https://github.com/szehl/ath9k-hmac.git
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201 lines
5.9 KiB
C
201 lines
5.9 KiB
C
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/*
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* Copyright (C) 2010 Texas Instruments Inc
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation version 2.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
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*/
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#ifndef _VPBE_H
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#define _VPBE_H
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#include <linux/videodev2.h>
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#include <linux/i2c.h>
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#include <media/v4l2-dev.h>
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#include <media/v4l2-ioctl.h>
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#include <media/v4l2-device.h>
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#include <media/davinci/vpbe_osd.h>
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#include <media/davinci/vpbe_venc.h>
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#include <media/davinci/vpbe_types.h>
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/* OSD configuration info */
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struct osd_config_info {
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char module_name[32];
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};
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struct vpbe_output {
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struct v4l2_output output;
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/*
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* If output capabilities include dv_timings, list supported timings
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* below
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*/
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char *subdev_name;
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/*
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* defualt_mode identifies the default timings set at the venc or
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* external encoder.
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*/
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char *default_mode;
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/*
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* Fields below are used for supporting multiple modes. For example,
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* LCD panel might support different modes and they are listed here.
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* Similarly for supporting external encoders, lcd controller port
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* requires a set of non-standard timing values to be listed here for
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* each supported mode since venc is used in non-standard timing mode
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* for interfacing with external encoder similar to configuring lcd
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* panel timings
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*/
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unsigned int num_modes;
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struct vpbe_enc_mode_info *modes;
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/*
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* Bus configuration goes here for external encoders. Some encoders
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* may require multiple interface types for each of the output. For
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* example, SD modes would use YCC8 where as HD mode would use YCC16.
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* Not sure if this is needed on a per mode basis instead of per
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* output basis. If per mode is needed, we may have to move this to
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* mode_info structure
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*/
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enum v4l2_mbus_pixelcode if_params;
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};
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/* encoder configuration info */
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struct encoder_config_info {
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char module_name[32];
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/* Is this an i2c device ? */
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unsigned int is_i2c:1;
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/* i2c subdevice board info */
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struct i2c_board_info board_info;
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};
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/*amplifier configuration info */
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struct amp_config_info {
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char module_name[32];
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/* Is this an i2c device ? */
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unsigned int is_i2c:1;
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/* i2c subdevice board info */
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struct i2c_board_info board_info;
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};
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/* structure for defining vpbe display subsystem components */
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struct vpbe_config {
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char module_name[32];
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/* i2c bus adapter no */
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int i2c_adapter_id;
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struct osd_config_info osd;
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struct encoder_config_info venc;
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/* external encoder information goes here */
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int num_ext_encoders;
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struct encoder_config_info *ext_encoders;
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/* amplifier information goes here */
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struct amp_config_info *amp;
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int num_outputs;
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/* Order is venc outputs followed by LCD and then external encoders */
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struct vpbe_output *outputs;
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};
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struct vpbe_device;
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struct vpbe_device_ops {
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/* crop cap for the display */
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int (*g_cropcap)(struct vpbe_device *vpbe_dev,
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struct v4l2_cropcap *cropcap);
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/* Enumerate the outputs */
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int (*enum_outputs)(struct vpbe_device *vpbe_dev,
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struct v4l2_output *output);
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/* Set output to the given index */
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int (*set_output)(struct vpbe_device *vpbe_dev,
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int index);
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/* Get current output */
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unsigned int (*get_output)(struct vpbe_device *vpbe_dev);
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/* Set DV preset at current output */
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int (*s_dv_timings)(struct vpbe_device *vpbe_dev,
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struct v4l2_dv_timings *dv_timings);
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/* Get DV presets supported at the output */
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int (*g_dv_timings)(struct vpbe_device *vpbe_dev,
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struct v4l2_dv_timings *dv_timings);
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/* Enumerate the DV Presets supported at the output */
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int (*enum_dv_timings)(struct vpbe_device *vpbe_dev,
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struct v4l2_enum_dv_timings *timings_info);
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/* Set std at the output */
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int (*s_std)(struct vpbe_device *vpbe_dev, v4l2_std_id std_id);
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/* Get the current std at the output */
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int (*g_std)(struct vpbe_device *vpbe_dev, v4l2_std_id *std_id);
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/* initialize the device */
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int (*initialize)(struct device *dev, struct vpbe_device *vpbe_dev);
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/* De-initialize the device */
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void (*deinitialize)(struct device *dev, struct vpbe_device *vpbe_dev);
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/* Get the current mode info */
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int (*get_mode_info)(struct vpbe_device *vpbe_dev,
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struct vpbe_enc_mode_info*);
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/*
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* Set the current mode in the encoder. Alternate way of setting
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* standard or DV preset or custom timings in the encoder
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*/
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int (*set_mode)(struct vpbe_device *vpbe_dev,
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struct vpbe_enc_mode_info*);
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/* Power management operations */
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int (*suspend)(struct vpbe_device *vpbe_dev);
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int (*resume)(struct vpbe_device *vpbe_dev);
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};
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/* struct for vpbe device */
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struct vpbe_device {
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/* V4l2 device */
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struct v4l2_device v4l2_dev;
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/* vpbe dispay controller cfg */
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struct vpbe_config *cfg;
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/* parent device */
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struct device *pdev;
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/* external encoder v4l2 sub devices */
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struct v4l2_subdev **encoders;
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/* current encoder index */
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int current_sd_index;
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/* external amplifier v4l2 subdevice */
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struct v4l2_subdev *amp;
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struct mutex lock;
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/* device initialized */
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int initialized;
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/* vpbe dac clock */
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struct clk *dac_clk;
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/* osd_device pointer */
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struct osd_state *osd_device;
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/* venc device pointer */
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struct venc_platform_data *venc_device;
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/*
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* fields below are accessed by users of vpbe_device. Not the
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* ones above
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*/
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/* current output */
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int current_out_index;
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/* lock used by caller to do atomic operation on vpbe device */
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/* current timings set in the controller */
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struct vpbe_enc_mode_info current_timings;
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/* venc sub device */
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struct v4l2_subdev *venc;
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/* device operations below */
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struct vpbe_device_ops ops;
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};
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#endif
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