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path: root/drivers/video/omap3_dss.c
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Diffstat (limited to 'drivers/video/omap3_dss.c')
-rw-r--r--drivers/video/omap3_dss.c77
1 files changed, 57 insertions, 20 deletions
diff --git a/drivers/video/omap3_dss.c b/drivers/video/omap3_dss.c
index b322cc3579..6686718b0a 100644
--- a/drivers/video/omap3_dss.c
+++ b/drivers/video/omap3_dss.c
@@ -28,10 +28,9 @@
#include <common.h>
#include <asm/io.h>
#include <asm/arch/dss.h>
+#include <video_fb.h>
-/*
- * Configure VENC for a given Mode (NTSC / PAL)
- */
+/* Configure VENC for a given Mode (NTSC / PAL) */
void omap3_dss_venc_config(const struct venc_regs *venc_cfg,
u32 height, u32 width)
{
@@ -64,10 +63,8 @@ void omap3_dss_venc_config(const struct venc_regs *venc_cfg,
writel(venc_cfg->savid__eavid, &venc->savid__eavid);
writel(venc_cfg->flen__fal, &venc->flen__fal);
writel(venc_cfg->lal__phase_reset, &venc->lal__phase_reset);
- writel(venc_cfg->hs_int_start_stop_x,
- &venc->hs_int_start_stop_x);
- writel(venc_cfg->hs_ext_start_stop_x,
- &venc->hs_ext_start_stop_x);
+ writel(venc_cfg->hs_int_start_stop_x, &venc->hs_int_start_stop_x);
+ writel(venc_cfg->hs_ext_start_stop_x, &venc->hs_ext_start_stop_x);
writel(venc_cfg->vs_int_start_x, &venc->vs_int_start_x);
writel(venc_cfg->vs_int_stop_x__vs_int_start_y,
&venc->vs_int_stop_x__vs_int_start_y);
@@ -93,39 +90,79 @@ void omap3_dss_venc_config(const struct venc_regs *venc_cfg,
writel(venc_cfg->dac_b__dac_c, &venc->dac_b__dac_c);
/* Configure DSS for VENC Settings */
- writel(VENC_DSS_CONFIG, &dss->control);
+ writel(VENC_CLK_ENABLE | DAC_DEMEN | DAC_POWERDN | VENC_OUT_SEL,
+ &dss->control);
/* Configure height and width for Digital out */
- writel(((height << DIG_LPP_SHIFT) | width), &dispc->size_dig);
+ writel(height << DIG_LPP_SHIFT | width, &dispc->size_dig);
}
-/*
- * Configure Panel Specific Parameters
- */
+/* Configure Panel Specific Parameters */
void omap3_dss_panel_config(const struct panel_config *panel_cfg)
{
struct dispc_regs *dispc = (struct dispc_regs *) OMAP3_DISPC_BASE;
+ struct dss_regs *dss = (struct dss_regs *) OMAP3_DSS_BASE;
+
+ writel(DSS_SOFTRESET, &dss->sysconfig);
+ while (!(readl(&dss->sysstatus) & DSS_RESETDONE))
+ ;
writel(panel_cfg->timing_h, &dispc->timing_h);
writel(panel_cfg->timing_v, &dispc->timing_v);
writel(panel_cfg->pol_freq, &dispc->pol_freq);
writel(panel_cfg->divisor, &dispc->divisor);
writel(panel_cfg->lcd_size, &dispc->size_lcd);
- writel((panel_cfg->load_mode << FRAME_MODE_SHIFT), &dispc->config);
- writel(((panel_cfg->panel_type << TFTSTN_SHIFT) |
- (panel_cfg->data_lines << DATALINES_SHIFT)), &dispc->control);
+ writel(panel_cfg->load_mode << FRAME_MODE_SHIFT, &dispc->config);
+ writel(panel_cfg->panel_type << TFTSTN_SHIFT |
+ panel_cfg->data_lines << DATALINES_SHIFT, &dispc->control);
writel(panel_cfg->panel_color, &dispc->default_color0);
+ writel((u32) panel_cfg->frame_buffer, &dispc->gfx_ba0);
+
+ if (!panel_cfg->frame_buffer)
+ return;
+
+ writel(panel_cfg->load_mode << LOADMODE_SHIFT, &dispc->config);
+ writel(8 << GFX_FORMAT_SHIFT | GFX_ENABLE, &dispc->gfx_attributes);
+ writel(1, &dispc->gfx_row_inc);
+ writel(1, &dispc->gfx_pixel_inc);
+ writel(panel_cfg->lcd_size, &dispc->gfx_size);
}
-/*
- * Enable LCD and DIGITAL OUT in DSS
- */
+/* Enable LCD and DIGITAL OUT in DSS */
void omap3_dss_enable(void)
{
struct dispc_regs *dispc = (struct dispc_regs *) OMAP3_DISPC_BASE;
- u32 l = 0;
+ u32 l;
l = readl(&dispc->control);
- l |= DISPC_ENABLE;
+ l |= LCD_ENABLE | GO_LCD | DIG_ENABLE | GO_DIG | GP_OUT0 | GP_OUT1;
writel(l, &dispc->control);
}
+
+#ifdef CONFIG_CFB_CONSOLE
+int __board_video_init(void)
+{
+ return -1;
+}
+
+int board_video_init(void)
+ __attribute__((weak, alias("__board_video_init")));
+
+void *video_hw_init(void)
+{
+ static GraphicDevice dssfb;
+ GraphicDevice *pGD = &dssfb;
+ struct dispc_regs *dispc = (struct dispc_regs *) OMAP3_DISPC_BASE;
+
+ if (board_video_init() || !readl(&dispc->gfx_ba0))
+ return NULL;
+
+ pGD->winSizeX = (readl(&dispc->size_lcd) & 0x7FF) + 1;
+ pGD->winSizeY = ((readl(&dispc->size_lcd) >> 16) & 0x7FF) + 1;
+ pGD->gdfBytesPP = 4;
+ pGD->gdfIndex = GDF_32BIT_X888RGB;
+ pGD->frameAdrs = readl(&dispc->gfx_ba0);
+
+ return pGD;
+}
+#endif