/**
* vpbe_set_output - Set output
* @vpbe_dev - vpbe device ptr
* @index - index of output
*
* Set vpbe output to the output specified by the index
*/
static int vpbe_set_output(struct vpbe_device *vpbe_dev, int index)
{
struct encoder_config_info *curr_enc_info =
vpbe_current_encoder_info(vpbe_dev);
struct vpbe_config *cfg = vpbe_dev->cfg;
struct venc_platform_data *venc_device = vpbe_dev->venc_device;
enum v4l2_mbus_pixelcode if_params;
int enc_out_index;
int sd_index;
int ret = 0;
if (index >= cfg->num_outputs)
return -EINVAL;
mutex_lock(&vpbe_dev->lock);
sd_index = vpbe_dev->current_sd_index;
enc_out_index = cfg->outputs[index].output.index;
/*
* Currently we switch the encoder based on output selected
* by the application. If media controller is implemented later
* there is will be an API added to setup_link between venc
* and external encoder. So in that case below comparison always
* match and encoder will not be switched. But if application
* chose not to use media controller, then this provides current
* way of switching encoder at the venc output.
*/
if (strcmp(curr_enc_info->module_name,
cfg->outputs[index].subdev_name)) {
/* Need to switch the encoder at the output */
sd_index = vpbe_find_encoder_sd_index(cfg, index);
if (sd_index < 0) {
ret = -EINVAL;
goto out;
}
if_params = cfg->outputs[index].if_params;
venc_device->setup_if_config(if_params);
if (ret)
goto out;
}
/* Set output at the encoder */
ret = v4l2_subdev_call(vpbe_dev->encoders[sd_index], video,
s_routing, 0, enc_out_index, 0);
if (ret)
goto out;
/*
* It is assumed that venc or extenal encoder will set a default
* mode in the sub device. For external encoder or LCD pannel output,
* we also need to set up the lcd port for the required mode. So setup
* the lcd port for the default mode that is configured in the board
* arch/arm/mach-davinci/board-dm355-evm.setup file for the external
* encoder.
*/
ret = vpbe_get_mode_info(vpbe_dev,
cfg->outputs[index].default_mode, index);
if (!ret) {
struct osd_s
/**
* vpbe_set_output - Set output
* @vpbe_dev - vpbe device ptr
* @index - index of output
*
* Set vpbe output to the output specified by the index
*/
static int vpbe_set_output(struct vpbe_device *vpbe_dev, int index)
{
struct vpbe_display_config *vpbe_config = vpbe_dev->cfg;
struct encoder_config_info *curr_enc_info =
vpbe_current_encoder_info(vpbe_dev);
int ret = 0, enc_out_index = 0, sd_index;
int lcd_index = 0;
enum v4l2_mbus_pixelcode if_params;
if (index >= vpbe_config->num_outputs)
return -EINVAL;
mutex_lock(&vpbe_dev->lock);
sd_index = vpbe_dev->current_sd_index;
enc_out_index = vpbe_config->outputs[index].output.index;
/*
* Currently we switch the encoder based on output selected
* by the application. If media controller is implemented later
* there is will be an API added to setup_link between venc
* and external encoder. So in that case below comparison always
* match and encoder will not be switched. But if application
* chose not to use media controller, then this provides current
* way of switching encoder at the venc output.
*/
if (strcmp(curr_enc_info->module_name,
vpbe_config->outputs[index].subdev_name)) {
/* Need to switch the encoder at the output */
sd_index = vpbe_find_encoder_sd_index(vpbe_config, index);
if (sd_index < 0) {
ret = -EINVAL;
goto out;
}
}
if_params = vpbe_config->outputs[index].if_params;
venc_device->setup_if_config(if_params);
if (!ret)
venc_device->if_params = if_params;
/* VENC dac selection only if it is non-lcd case */
lcd_index = vpbe_config->num_outputs - venc_device->num_lcd_outputs;
if (vpbe_config->outputs[index].output.index < lcd_index) {
/* Set output at the encoder */
ret = v4l2_subdev_call(vpbe_dev->encoders[sd_index], video,
s_routing, 0, enc_out_index, 0);
if (ret)
goto out;
}
/*
* It is assumed that venc or extenal encoder will set a default
* mode in the sub device. For external encoder or LCD pannel output,
* we also need to set up the lcd port for the required mode. So setup
* the lcd port for the default mode that is configured in the board
* arch/arm/mach-davinci/board-dm355-evm.setup file for the external
* encoder.
*/
ret = vpbe_get_mode_info(vpbe_dev,
vpbe_config->outputs[index].default_mode,
index);
/*
* set the lcd controller output for the given mode. For internal dac
* outputs, this wouldn't do anything.
*/
if (!ret) {
ret = v4l2_subdev_call(vpbe_dev->encoders[sd_index],
core, ioctl, VENC_CONFIGURE,
&vpbe_dev->current_timings);
if (!ret) {
osd_device->ops.set_left_margin(osd_device,
vpbe_dev->current_timings.left_margin);
osd_device->ops.set_top_margin(osd_device,
vpbe_dev->current_timings.upper_margin);
vpbe_dev->current_sd_index = sd_index;
vpbe_dev->current_out_index = index;
}
}
out:
mutex_unlock(&vpbe_dev->lock);
return ret;
}
