static int dpi_check_timings(struct omap_dss_device *dssdev,
struct omap_video_timings *timings)
{
bool is_tft;
int r;
int lck_div, pck_div;
unsigned long fck;
unsigned long pck;
if (!dispc_lcd_timings_ok(timings))
return -EINVAL;
if (timings->pixel_clock == 0)
return -EINVAL;
is_tft = (dssdev->panel.config & OMAP_DSS_LCD_TFT) != 0;
#ifdef CONFIG_OMAP2_DSS_USE_DSI_PLL
{
struct dsi_clock_info cinfo;
r = dsi_pll_calc_pck(is_tft, timings->pixel_clock * 1000,
&cinfo);
if (r)
return r;
fck = cinfo.dsi1_pll_fclk;
lck_div = cinfo.lck_div;
pck_div = cinfo.pck_div;
}
#else
{
struct dispc_clock_info cinfo;
r = dispc_calc_clock_div(is_tft, timings->pixel_clock * 1000,
&cinfo);
if (r)
return r;
fck = cinfo.fck;
lck_div = cinfo.lck_div;
pck_div = cinfo.pck_div;
}
#endif
pck = fck / lck_div / pck_div / 1000;
timings->pixel_clock = pck;
return 0;
}
static int dpi_set_dsi_clk(bool is_tft, unsigned long pck_req,
unsigned long *fck, int *lck_div, int *pck_div)
{
struct dsi_clock_info cinfo;
int r;
r = dsi_pll_calc_pck(is_tft, pck_req, &cinfo);
if (r)
return r;
r = dsi_pll_program(&cinfo);
if (r)
return r;
dss_select_clk_source(0, 1);
dispc_set_lcd_divisor(cinfo.lck_div, cinfo.pck_div);
*fck = cinfo.dsi1_pll_fclk;
*lck_div = cinfo.lck_div;
*pck_div = cinfo.pck_div;
return 0;
}
static int dpi_check_timings(struct omap_display *display,
struct omap_video_timings *timings)
{
bool is_tft;
int r;
int lck_div, pck_div;
unsigned long fck;
unsigned long pck;
if (cpu_is_omap24xx() || omap_rev() < OMAP3430_REV_ES3_0) {
if (timings->hsw < 1 || timings->hsw > 64 ||
timings->hfp < 1 || timings->hfp > 256 ||
timings->hbp < 1 || timings->hbp > 256) {
return -EINVAL;
}
if (timings->vsw < 1 || timings->vsw > 64 ||
timings->vfp > 255 || timings->vbp > 255) {
return -EINVAL;
}
} else {
if (timings->hsw < 1 || timings->hsw > 256 ||
timings->hfp < 1 || timings->hfp > 4096 ||
timings->hbp < 1 || timings->hbp > 4096) {
return -EINVAL;
}
if (timings->vsw < 1 || timings->vsw > 64 ||
timings->vfp > 4095 || timings->vbp > 4095) {
return -EINVAL;
}
}
if (timings->pixel_clock == 0)
return -EINVAL;
is_tft = (display->panel->config & OMAP_DSS_LCD_TFT) != 0;
#ifdef CONFIG_OMAP2_DSS_USE_DSI_PLL
{
struct dsi_clock_info cinfo;
r = dsi_pll_calc_pck(is_tft, timings->pixel_clock * 1000,
&cinfo);
if (r)
return r;
fck = cinfo.dsi1_pll_fclk;
lck_div = cinfo.lck_div;
pck_div = cinfo.pck_div;
}
#else
{
struct dispc_clock_info cinfo;
r = dispc_calc_clock_div(is_tft, timings->pixel_clock * 1000,
&cinfo);
if (r)
return r;
fck = cinfo.fck;
lck_div = cinfo.lck_div;
pck_div = cinfo.pck_div;
}
#endif
pck = fck / lck_div / pck_div / 1000;
timings->pixel_clock = pck;
return 0;
}