static void ccdc_restore_defaults(void)
{
enum vpss_ccdc_source_sel source = VPSS_CCDCIN;
int i;
memcpy(&ccdc_cfg.bayer.config_params, &ccdc_config_defaults,
sizeof(struct ccdc_config_params_raw));
dev_dbg(dev, "\nstarting ccdc_restore_defaults...");
/* Enable clock to ISIF, IPIPEIF and BL */
vpss_enable_clock(VPSS_CCDC_CLOCK, 1);
vpss_enable_clock(VPSS_IPIPEIF_CLOCK, 1);
vpss_enable_clock(VPSS_BL_CLOCK, 1);
/* set all registers to default value */
for (i = 0; i <= 0x1f8; i += 4)
regw(0, i);
/* no culling support */
regw(0xffff, CULH);
regw(0xff, CULV);
/* Set default offset and gain */
ccdc_config_gain_offset();
vpss_select_ccdc_source(source);
dev_dbg(dev, "\nEnd of ccdc_restore_defaults...");
}
/*
* ccdc_restore_defaults()
* This function restore power on defaults in the ccdc registers
*/
static int ccdc_restore_defaults(void)
{
int i;
dev_dbg(dev, "\nstarting ccdc_restore_defaults...");
/* set all registers to zero */
for (i = 0; i <= CCDC_REG_LAST; i += 4)
regw(0, i);
/* now override the values with power on defaults in registers */
regw(MODESET_DEFAULT, MODESET);
/* no culling support */
regw(CULH_DEFAULT, CULH);
regw(CULV_DEFAULT, CULV);
/* Set default Gain and Offset */
ccdc_hw_params_raw.gain.r_ye = GAIN_DEFAULT;
ccdc_hw_params_raw.gain.gb_g = GAIN_DEFAULT;
ccdc_hw_params_raw.gain.gr_cy = GAIN_DEFAULT;
ccdc_hw_params_raw.gain.b_mg = GAIN_DEFAULT;
ccdc_config_gain_offset();
regw(OUTCLIP_DEFAULT, OUTCLIP);
regw(LSCCFG2_DEFAULT, LSCCFG2);
/* select ccdc input */
if (vpss_select_ccdc_source(VPSS_CCDCIN)) {
dev_dbg(dev, "\ncouldn't select ccdc input source");
return -EFAULT;
}
/* select ccdc clock */
if (vpss_enable_clock(VPSS_CCDC_CLOCK, 1) < 0) {
dev_dbg(dev, "\ncouldn't enable ccdc clock");
return -EFAULT;
}
dev_dbg(dev, "\nEnd of ccdc_restore_defaults...");
return 0;
}
