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Fix programming timing parameters to LCDC. Actual value used for HBP, HFP, HSW, VSW

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is register's programmed value + 1.
This commit is contained in:
gonzo 2015-01-18 06:43:09 +00:00
parent 5dd3f4fde2
commit fda5902fff
1 changed files with 27 additions and 13 deletions
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40
sys/arm/ti/am335x/am335x_lcd.c
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@ -433,6 +433,9 @@ am335x_lcd_attach(device_t dev)
uint32_t burst_log;
int err;
size_t dma_size;
uint32_t hbp, hfp, hsw;
uint32_t vbp, vfp, vsw;
uint32_t width, height;
sc = device_get_softc(dev);
sc->sc_dev = dev;
@ -527,31 +530,42 @@ am335x_lcd_attach(device_t dev)
/* Set timing */
timing0 = timing1 = timing2 = 0;
hbp = panel.panel_hbp - 1;
hfp = panel.panel_hfp - 1;
hsw = panel.panel_hsw - 1;
vbp = panel.panel_vbp;
vfp = panel.panel_vfp;
vsw = panel.panel_vsw - 1;
height = panel.panel_height - 1;
width = panel.panel_width - 1;
/* Horizontal back porch */
timing0 |= (panel.panel_hbp & 0xff) << RASTER_TIMING_0_HBP_SHIFT;
timing2 |= ((panel.panel_hbp >> 8) & 3) << RASTER_TIMING_2_HBPHI_SHIFT;
timing0 |= (hbp & 0xff) << RASTER_TIMING_0_HBP_SHIFT;
timing2 |= ((hbp >> 8) & 3) << RASTER_TIMING_2_HBPHI_SHIFT;
/* Horizontal front porch */
timing0 |= (panel.panel_hfp & 0xff) << RASTER_TIMING_0_HFP_SHIFT;
timing2 |= ((panel.panel_hfp >> 8) & 3) << RASTER_TIMING_2_HFPHI_SHIFT;
timing0 |= (hfp & 0xff) << RASTER_TIMING_0_HFP_SHIFT;
timing2 |= ((hfp >> 8) & 3) << RASTER_TIMING_2_HFPHI_SHIFT;
/* Horizontal sync width */
timing0 |= (panel.panel_hsw & 0x3f) << RASTER_TIMING_0_HSW_SHIFT;
timing2 |= ((panel.panel_hsw >> 6) & 0xf) << RASTER_TIMING_2_HSWHI_SHIFT;
timing0 |= (hsw & 0x3f) << RASTER_TIMING_0_HSW_SHIFT;
timing2 |= ((hsw >> 6) & 0xf) << RASTER_TIMING_2_HSWHI_SHIFT;
/* Vertical back porch, front porch, sync width */
timing1 |= (panel.panel_vbp & 0xff) << RASTER_TIMING_1_VBP_SHIFT;
timing1 |= (panel.panel_vfp & 0xff) << RASTER_TIMING_1_VFP_SHIFT;
timing1 |= (panel.panel_vsw & 0x3f) << RASTER_TIMING_1_VSW_SHIFT;
timing1 |= (vbp & 0xff) << RASTER_TIMING_1_VBP_SHIFT;
timing1 |= (vfp & 0xff) << RASTER_TIMING_1_VFP_SHIFT;
timing1 |= (vsw & 0x3f) << RASTER_TIMING_1_VSW_SHIFT;
/* Pixels per line */
timing0 |= (((panel.panel_width - 1) >> 10) & 1)
timing0 |= ((width >> 10) & 1)
<< RASTER_TIMING_0_PPLMSB_SHIFT;
timing0 |= (((panel.panel_width - 1) >> 4) & 0x3f)
timing0 |= ((width >> 4) & 0x3f)
<< RASTER_TIMING_0_PPLLSB_SHIFT;
/* Lines per panel */
timing1 |= ((panel.panel_height - 1) & 0x3ff)
timing1 |= (height & 0x3ff)
<< RASTER_TIMING_1_LPP_SHIFT;
timing2 |= (((panel.panel_height - 1) >> 10 ) & 1)
timing2 |= ((height >> 10 ) & 1)
<< RASTER_TIMING_2_LPP_B10_SHIFT;
/* clock signal settings */